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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 40. Отображено 40.
04-04-2023 дата публикации

Cover adhesive tape, use method thereof and display device

Номер: CN115895501A
Принадлежит:

The embodiment of the invention provides a cover adhesive tape, a using method thereof and a display device. The cover adhesive tape comprises a bottom film, a protective film and a composite structure layer, wherein the bottom film and the protective film are arranged in a stacked mode, and the composite structure layer is located between the protective film and the bottom film. The orthographic projection of the protective film on the plane where the cover adhesive tape is located covers the orthographic projection of the composite structure layer; the composite structure layer comprises an anti-static material; the cover adhesive tape further comprises a double-faced adhesive tape layer arranged between the protective film and the bottom film, and the protective film and the bottom film are connected in a bonding mode through the double-faced adhesive tape layer. According to the cover adhesive tape provided by the embodiment of the invention, a cover adhesive tape structure and a pre-fixing ...

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07-05-2014 дата публикации

Method for preparing diamond grinding wheel ceramic bond with low sintering temperature and high strength

Номер: CN103770035A
Автор: HE FENG, ZHOU QI, XIE JUNLIN
Принадлежит:

The invention provides a method for preparing diamond grinding wheel ceramic bond with low sintering temperature and high strength. The method includes the following steps of (1) mixture calculation, (2) melting and (3) water quenching and grinding, wherein the step (1) includes that raw mineral materials and chemical materials are used as the source of oxide, the mixture calculation is performed according to the oxide and the content thereof in the raw mineral materials and the chemical materials, and oxide compositions and contents thereof by weight part in the materials meet the following requirement, that is to say 40-60 parts of silicon dioxide, 10-30 parts of diboron trioxide, 2-6 parts of aluminum oxide, 12-16 parts of calcium oxide, 2-8 parts of sodium oxide, 0.5-2 parts of zinc oxide, 0.5-1.5 parts of barium oxide, 0.5-1 part of titanium dioxide, 0.5-2 parts of tungsten trioxide and 0.5-1 part of bismuth oxide, and after the step (3), the diamond grinding wheel ceramic bond with ...

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30-07-2014 дата публикации

Foam glass material with gold/copper tailings as main raw materials and preparation method thereof

Номер: CN103951261A
Автор: HE FENG, XIE JUNLIN
Принадлежит:

The invention relates to a foam glass material with gold/copper tailings as main raw materials and a preparation method thereof. The foam glass material comprises the following components: 85-93wt% of glass clinker powder prepared from gold/copper tailings, 0.5-3.0wt% of foaming agent and 4-12wt% of additive. The foam glass material is obtained by mixing the components in proportion and then carrying out the procedures of die filling, firing and annealing. The foam glass material with gold/copper tailings as main raw materials, which is prepared by the preparation method, has density of 0.2-0.6g/cm<3>, pore diameter in the range of 1-4mm, flexural strength of 0.8-5.0MPa and normal temperature heat conductivity coefficient in the range of 0.04-0.12W/(K.m), is uniform in pore distribution, is in a independent distribution state, has high porosity and relatively small density, has the advantages of relatively high strength and the like, and can be applied as a wall insulation material.

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01-08-2023 дата публикации

Display module and display device

Номер: CN116524810A
Принадлежит:

The invention provides a display module and a display device. The display module comprises a heat dissipation supporting piece and a display panel. The display panel comprises a display area and a wiring area which are connected. The display area is arranged on one side of the heat dissipation supporting piece. The heat dissipation supporting piece comprises a first area and a second area which are arranged in the direction parallel to the display area. The size of the first area is larger than that of the second area in the first direction, and the first direction is perpendicular to the display area; the surfaces of the sides, close to the display area, of the first area and the second area are flush or located on the same curved surface; the wiring area is at least partially bent and comprises a first part and a second part; the first part is electrically connected with the display area, and the second part is attached to the side, away from the display area, of the second area of the ...

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30-05-2023 дата публикации

Fuel control system and method for float glass melting furnace by using hydrogen energy combustion

Номер: CN116177849A
Принадлежит:

The invention relates to the technical field of hydrogen energy fuel application in the thermal industry, in particular to a fuel control system and method for a float glass melting furnace by utilizing hydrogen energy combustion. The fuel system is divided into three stages of fuel supply modules, a natural gas fuel source is controlled through the first-stage module, then the fuel hydrogen doping proportion is controlled through the second-stage module, and the fuel entering the glass melting furnace for combustion is subjected to flow and pressure regulation control through the third-stage module. The flame atmosphere can be accurately and effectively controlled in the process of reducing CO2 emission of the glass melting furnace by utilizing hydrogen energy combustion; the method is wide in applicability, a specific technical scheme is provided for efficient utilization of hydrogen energy in the float glass melting furnace, and the scheme can be adopted in the float glass melting furnace ...

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29-10-2008 дата публикации

Impulse composite combustion method in breeze and natural gas mix combustion

Номер: CN0101293744A
Принадлежит:

The invention discloses a pulse composite combustion method in mixed combustion of pulverized coal and natural gas, more particularly, the method is that after a rotary kiln is opened to rotate at a uniform speed, the natural gas is lighted; the pulverized coal is injected into the rotary kiln after the temperature in the kiln raises to 850 DEG C to 950 DEG C; when the pulverized coal burns stably to lead the kiln temperature to reach 1100 DEG C to 1150 DEG C, the natural gas is controlled and adjusted to be in a timing pulse state; the natural gas enters the rotary kiln by the pulse state under the timing pulse control of a 5 to 30 seconds interval and assists the pulverized coal to burn; hot gas produced by burning is delivered into a vertical preheater to preheat ores; a batch feeder begins to feed when the kiln temperature reaches 1150 DEG C to 1200 DEG C; under an combined action of self-gravity and the rotation of the kiln, the ores roll forwards; activity ores are formed by high ...

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27-06-2023 дата публикации

Detection system for double-sided circuit board production based on machine vision

Номер: CN116337869A
Автор: XIE JUNHONG, XIE JUNLIN
Принадлежит:

The invention discloses a detection system for double-sided circuit board production based on machine vision. According to the invention, the classification module and the feature extraction module in the defect detection module are matched for use, so that defects on the surface of the board-end double-sided circuit board can be classified, thereby being convenient for people to detect in time, improving the detection efficiency and enabling people to classify the double-sided circuit boards with different defect degrees; and the reasonable utilization rate of the product is improved. The camera calibration module selects a standard double-sided circuit board as a calibration workpiece, calculates the pixel equivalent of a camera when the camera collects an image of the double-sided circuit board, and completes the calibration of the system, thereby enabling the double-sided circuit board to have a reference object in the subsequent detection process, and improving the detection accuracy ...

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09-09-2015 дата публикации

Valve

Номер: CN0204628609U
Принадлежит:

The utility model provides a valve, which comprises the following components: a valve body, first case, the second case, two valve rods, two adjusting collars and many centre grippings arm, the inner space of valve body extends to the both ends of valve body, two cases all are located the inner space and remove with the inner wall abut against of valve body and the extending direction that can follow the tip of valve body, two cases are when being laminated to the neighbouring end of two cases by the removal each other, seal valve, the both ends of valve body are equipped with the perforation that communicates with the inner space respectively, two of two valve rod passing through valve body is perforated and is connected with two cases respectively, and can remove by relative valve body, a plurality of centre gripping arms divide into two sets ofly, two sets of centre gripping arms be located respectively the both ends of valve body the outside and with valve body fixed connection, two ...

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23-07-2014 дата публикации

Porous thermal insulation ceramic using gold copper mine tailings as raw material and preparation method thereof

Номер: CN103936454A
Принадлежит:

The invention relates to a porous thermal insulation ceramic using gold copper mine tailings as a raw material and a preparation method thereof; the porous thermal insulation ceramic is prepared from the following raw materials by weight: 75-90wt% of gold copper mine tailings, 5-10wt% of float glass powder, 3-8wt% of a foaming agent and 2-8wt% of an additive; the porous thermal insulation ceramic material is prepared by the following processes: proportionally mixing well the gold copper mine tailings, the float glass powder, the foaming agent and the additive, then molding, and sintering; the density of the prepared gold copper mine tailing porous ceramic is in the range of 0.2-0.8g / cm<3>, the pore diameter is 1-6mm, the breaking strength is in the range of 0.5-6.0MPa, ,the thermal conductivity at room temperature is in the range of 0.04-0.12W / (K.m), and the porous thermal insulation ceramic has the advantages of high porosity, low density and high strength, and can be used as a wall ...

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08-09-2010 дата публикации

Sulfur oriented adsorption control method for active calcarea lime calcination in rotary kiln

Номер: CN0101328027B
Принадлежит:

The invention provides a sulfur oriented adsorption control method for calcining active lime in a rotary kiln comprising the following steps: the rotary kiln calcines the massive limestone using the mixture of the coal fines and active lime fine silts as fuels, the sulfur in the flue gas is adsorbed using the sulfur adsorption and desulphurizing ability of the active lime fine silts, meanwhile the sulfur-adsorbed kiln dust is separated from the calcined active lime by means of screening to get low sulfur-content active lime. The method can adsorb more than 70% of sulfur brought by the coal fines using the active lime fine silts, and separate the large amount of adsorbed sulfur from the massive active limestones by means of screening to get active lime bricks which are high active and low sulfur content. The method controls the sulfur trace in the flue gas, which is simple, practical and reliable. The method also has advantages of good quality of the active limestone, high efficiency, low ...

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25-02-2015 дата публикации

Method for determining contents of volatile component industrial components of refuse-derived fuel (RDF) and calculating heat value of RDF

Номер: CN104374666A
Принадлежит:

The invention relates to a method for determining the contents of volatile component industrial components of refuse-derived fuel (RDF) and calculating a heat value of the RDF. The method is characterized in that characteristic temperatures T1, T2 and T3 appearing when the various volatile industrial components are released, the contents V1, V2 and V3 of the volatile component industrial components 1, 2, and 3, and the moisture content Mad, ash content Aad and constant carbon content FCad in the RDF are determined by virtue of thermogravimetric analysis, and then the heat value Q of a to-be-tested refuse-derived fuel sample can be calculated according to an empirical formula Q=-32100Mad+7850V1+19930V2+20750V3+23660FCad+4110.45. An experiment can be completed and needed data can be acquired by utilizing a conventional drying box, a muffle furnace and an analytical balance, so that the heat value of the RDF can be finally calculated. The method is suitable for being used in factories with ...

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30-07-2014 дата публикации

Black decorative glass taking gold-copper tailing as main raw material and preparation method thereof

Номер: CN103951188A
Принадлежит:

The invention relates to a black decorative glass which takes a gold-copper tailing as a main raw material. The raw material of the black decorative glass comprises the following components in percentage by weight: 60%-75% of gold-copper tailings, 20%-35% of quartz sand, 2%-5% of sodium carbonate, 1%-3% of titanium dioxide and 0.1%-0.5% of cobalt sesquioxide. The prepared black decorative glass has the characteristics of large panel size, purity in black luster, high lustrousness and high density and strength, achieves the density within the range of 2.8-3.4 g/cm<3>, achieves the folding strength as high as 120-200 MPa and can be used as glass furniture, a glass table-board LOGO plate, a background wall surface, an enwrapped column glass, a glass retaining wall, a glass platform, an engraving art glass and the like.

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30-07-2014 дата публикации

Glass fiber heat insulating cotton taking gold copper tailings as main raw material and preparation method thereof

Номер: CN103951269A
Принадлежит:

The invention relates to glass fiber heat insulating cotton taking gold copper tailings as a main raw material and a preparation method of the glass fiber heat insulating cotton. The raw materials of the glass fiber heat insulating cotton comprise the following components in percentage by weight: 65-75 percent of gold copper tailings, 15-25 percent of quartz sand, 3-5 percent of sodium borate, 2-5 percent of sodium carbonate and 1-2 percent of titanium dioxide. The raw materials are mixed in proportion to prepare the glass fiber heat insulating cotton through an electric smelting crucible wire drawing method in combination with a jetting method. The density of the glass fiber heat insulating cotton prepared from the gold copper tailings is in a range of 20 to 120 kg/m<3>, the normal-temperature heat conductivity coefficient is in the range of 0.03 to 0.10 W/(K.m), and the glass fiber heat insulating cotton can achieve the effects of sound insulation, sound absorption, heat preservation, ...

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24-12-2008 дата публикации

Sulfur oriented adsorption control method for active calcarea lime calcination in rotary kiln

Номер: CN0101328027A
Принадлежит:

The invention provides a sulfur oriented adsorption control method for calcining active lime in a rotary kiln comprising the following steps: the rotary kiln calcines the massive limestone using the mixture of the coal fines and active lime fine silts as fuels, the sulfur in the flue gas is adsorbed using the sulfur adsorption and desulphurizing ability of the active lime fine silts, meanwhile the sulfur-adsorbed kiln dust is separated from the calcined active lime by means of screening to get low sulfur-content active lime. The method can adsorb more than 70% of sulfur brought by the coal fines using the active lime fine silts, and separate the large amount of adsorbed sulfur from the massive active limestones by means of screening to get active lime bricks which are high active and low sulfur content. The method controls the sulfur trace in the flue gas, which is simple, practical and reliable. The method also has advantages of good quality of the active limestone, high efficiency, low ...

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10-09-2014 дата публикации

High-performance gradient foam glass thermal insulation material and manufacturing method thereof

Номер: CN104030572A
Принадлежит:

The invention relates to a high-performance gradient foam glass thermal insulation material. The high-performance gradient foam glass thermal insulation material includes, by weight, 96.00%-98.00% of basic glass, 1.50%-3.50% of borax, 0.20%-0.60% of mirabilite and 0.20%-0.80% of carbon. The raw materials of the high-performance gradient foam glass thermal insulation material are based on more than one specific ratio, and the raw materials of different ratios are laid in a gradient and layered mode according to the carbon content. The manufacturing process is simple, operation is easy, closed-pore foam glass which is small in density, high in strength, low in heat conductivity coefficient and uniform in pore structure can be obtained by controlling chemical constitutions of special foam glass mixtures, and gradient distribution according to density is formed in the thickness direction of the whole foam glass thermal insulation material. The foam glass thermal insulation material of the structure ...

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11-01-2012 дата публикации

Method for judging optimal clarification area of float glass

Номер: CN0101936869B
Принадлежит:

The invention discloses a new method for judging an optimal clarification area of float glass. High-temperature viscosity and surface tension test technology of glass melt is adopted. The relationship among Redox number, high-temperature viscosity and surface tension is accurately represented by testing properties such as high-temperature viscosity, surface tension and the like of the glass melt of different Redox numbers, wherein the Redox range that the high-temperature viscosity and the surface tension are synchronously small is an optimal glass clarification area range, so the method provides basis for determining the optimal glass proportioning parameters. The method is simple, high in test efficiency and intuitive and accurate in optimal clarification area judgment of the float glass, can ensure the production quality of the float glass, and is particularly suitable for judgment of the optimal clarification area of the float glass and preparation of the float glass.

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30-03-2018 дата публикации

Board fixed establishment is examined to lamp

Номер: CN0207162471U
Автор: XIE JUNLIN

The utility model discloses a board fixed establishment is examined to lamp, examine borduring of backboard portion including setting up at the lamp the lamp examine board below and be provided with the support support upper end be provided with the crossbeam of perpendicular to support, the crossbeam keep away from support one end be provided with the logical groove that is on a parallel with crossbeam length direction, logical groove will end of crossbeam cut apart and form 2 extension boards being parallel to each other, 2 the extension board on be provided with the corresponding spout in position respectively logical inslot side be provided with the horizontal pole, the horizontal pole both ends peg graft respectively 2 inboard messenger of spout the horizontal pole can along crossbeamlength direction slide horizontal pole middle part be provided with the connecting rod, the connecting rod lower extreme with bordure and keep away from the lamp examine a board side end face and beconnected ...

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18-04-2023 дата публикации

Method for rapidly detecting activity of metakaolin by XRD (X-Ray Diffraction)

Номер: CN115980107A
Принадлежит:

The invention discloses a method for rapidly detecting metakaolin activity by XRD (X-Ray Diffraction), which comprises the following steps: putting a metakaolin sample into an X-ray diffractometer, and carrying out XRD slow scanning; data measured by the XRD diffractometer are imported into XRD analysis software, peak searching and background deduction are carried out, and peak searching data are obtained; calculating the ratio R of the diffraction peak height to the corresponding half-peak width according to the obtained peak searching data; carrying out summation calculation on the areas of all diffraction peaks of which the R value is less than 1000 to obtain a sigma S diffraction peak; and finally, calculating Sigma S diffraction peaks of different metakaolin powders by adopting the same detection and analysis conditions, and evaluating the activity conditions of different metakaolin powders according to the numerical values of the Sigma S diffraction peaks. The method for rapidly detecting ...

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27-05-2015 дата публикации

Control method for safety driving current of electric automobile

Номер: CN104648183A
Принадлежит:

The invention discloses a control method for safety driving current of an electric automobile. The control method comprises the following steps of calculating energy discharging power P(energy discharging) of a current battery according to an SOC (state of charge) of the current battery and the battery temperature, and calculating a driving torque value T1 of the battery under the current automobile speed according to a formula P(energy charging)/V=T1 according to the current rotating speed V of a motor; calculating the maximum allowable driving torque T(max allowable) of the motor by the whole automobile controller according to an overload coefficient K1 under the current motor temperature and the optimal torque T(optimal torque) under the current rotating speed of the motor; comparing the driving torque value T1 with the maximum allowable driving torque T(max allowable) by the whole automobile controller, taking a smaller value as the maximum driving torque value for electric automobile ...

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09-09-2009 дата публикации

Determination method of COD value in glass raw material

Номер: CN0101526514A
Принадлежит:

The invention provides a determination method of COD value in glass raw material. The method comprises the following steps of: heating the glass raw material in potassium dichromate and mixed acid (mixed acid for mineral raw materials is prepared by sulphuric acid and phosphoric acid according to volume ratio of 4:1 and mixed acid for chemical raw materials is prepared by sulphuric acid and phosphoric acid according to volume ratio of 6:1; boiling and back flowing for 28 to 32min and calculating the COD values of all the raw materials according to conversion formula through titration of standard solution of ferrous ammonium sulphate. Aiming at the problem of long back flow time, complex operation and large reagent consumption and the like of the potassium dichromate, the invention provides a method for fast measuring the COD values of all the raw materials in glass by using mixed acid process. According to measured result, the invention can adjust the proportion of materials in time and ...

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11-03-2009 дата публикации

Fuel step adding apparatus of glass melter total oxygen combustion

Номер: CN0101381196A
Принадлежит:

The invention provides a hierarchical adding device for total-oxygen combustion fuel of glass melting furnaces. The device mainly comprises a main fuel pipe (2), a combustion-supporting oxygen pipe (7), a main burner (11), minor fuel pipes (12), as well as valves which are connected with the bodies of the combustion-supporting oxygen pipe (7), the main fuel pipe and the minor fuel pipes and play a certain role in controlling and regulating, wherein the main burner (11) has a casing-type structure and is sleeved with the body of the right part of the main fuel pipe (2); two minor fuel pipes (12) are provided, are symmetrically distributed on two sides of the main burner (11), and are parallel to the main burner; and the right end of the body of the combustion-supporting oxygen pipe (7) is connected and communicated with the main burner through a bent pipe. The device regulates the length, coverage area, temperature and other parameters of flame by adjusting the amount of fuel used between ...

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22-04-2015 дата публикации

Method for determining combustion characteristic temperature of refuse derived fuel (RDF)

Номер: CN104535453A
Принадлежит:

The invention relates to a method for determining the combustion characteristic temperature of refuse derived fuel (RDF). According to the method, characteristic temperatures T<1>, T<2> and T<3> of release of various volatile matter industrial components, industrial component contents V<1>, V<2> and V<3> of volatile components 1, 2 and 3, the moisture content M, the ash content A and the fixed carbon content F in the RDF are determined through thermogravimetric analysis, and then the ignition point T of an RDF sample to be tested and the temperature T corresponding to the maximum combustion speed are worked out according to the empirical equations that T=354 M+392 V<1>+150 V<2>-64 V<3>+220 A+36.4 and T=235 M+107 V<1>-71 V<2>-65 V<3>-112 F+279.1. Through a conventional drying oven, a conventional muffle furnace and a conventional analytical balance, the test can be completed and needed data can be obtained, and therefore the combustion characteristic ...

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19-10-2011 дата публикации

Thermal flue gas back-doping device and applications in glass melting furnace

Номер: CN0101337762B
Принадлежит:

The invention provides a hot fume back-mixing energy-saving device in a glass melting furnace, which adopts the structure that a hot fume back-mixing mechanism communicating with a first bypass flue (6) and a second bypass flue (24) are additionally arranged between the first bypass flue (6) and the second bypass flue (24) in the glass melting furnace body; the mechanism is composed of two S-shaped hot fume back-mixing pipelines; the two S-shaped hot fume back-mixing pipelines are mutually distributed and communicates; and a high temperature blower fan (16) is mounted in the communication position; and each hot fume back-mixing pipeline is provided with a control valve. The invention further provides a method for back-mixing hot fume in the glass melting furnace, namely the hot fume back-mixing mechanism is opened after the glass melting furnace achieves stable production state. At the moment, the two hot fume back-mixing pipelines work alternately, so that the hot fume in the two pipelines ...

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07-01-2009 дата публикации

Thermal flue gas back-doping device and applications in glass melting furnace

Номер: CN0101337762A
Принадлежит:

The invention provides a hot fume back-mixing energy-saving device in a glass melting furnace, which adopts the structure that a hot fume back-mixing mechanism communicating with a first bypass flue (6) and a second bypass flue (24) are additionally arranged between the first bypass flue (6) and the second bypass flue (24) in the glass melting furnace body; the mechanism is composed of two S-shaped hot fume back-mixing pipelines; the two S-shaped hot fume back-mixing pipelines are mutually distributed and communicates; and a high temperature blower fan (16) is mounted in the communication position; and each hot fume back-mixing pipeline is provided with a control valve. The invention further provides a method for back-mixing hot fume in the glass melting furnace, namely the hot fume back-mixing mechanism is opened after the glass melting furnace achieves stable production state. At the moment, the two hot fume back-mixing pipelines work alternately, so that the hot fume in the two pipelines ...

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04-07-2012 дата публикации

Method for measuring contents of ferrous ions and iron ions in glass

Номер: CN0102004084B
Принадлежит:

The invention discloses a method for measuring contents of ferrous ions and iron ions in glass, comprising the following steps: measuring the absorption spectrum of a provided glass sheet within the waveband range of 350-1100nm by using an ultraviolet and visible spectrophotometer; dividing the absorbency data in the absorption spectrum by the thickness of the glass sheet to obtain the absorbencyof glass sheet with unit thickness, thereby further obtaining the spectrum curve of relationship between the wavelength in the absorption spectrum and the absorbency of the thickness of the glass sheet; carrying out smoothing treatment and basic line correction on the spectrum curve successively; and carrying out area integration on the spectrum curve after line correction respectively within thewaveband range of 370-400nm and within the waveband range of 520-1100nm, and calculating the contents of iron ions and ferrous ions according to corresponding integrated areas. By using the method, the contents ...

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09-06-2023 дата публикации

Display module and display device

Номер: CN116246548A
Автор: XIE JUNLIN, LI FEI, TANG KANG
Принадлежит:

The invention relates to a display module which comprises a display panel, a main circuit board is arranged on the backlight side of the display panel, a first component is arranged on the main circuit board, a heat dissipation assembly is arranged outside the main circuit board in a covering mode, and the heat dissipation assembly comprises a heat dissipation cover arranged outside the main circuit board in a covering mode, the heat dissipation cover comprises a bottom wall and side walls at least arranged on the two opposite sides of the bottom wall. The first heat conduction piece is arranged in a first area of the heat dissipation cover, the first area is located on the side, close to the main circuit board, of the heat dissipation cover so that the first heat conduction piece can be connected with the first component, and the orthographic projection of the first area on the main circuit board at least partially covers the first component. The invention further relates to a display ...

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07-03-2012 дата публикации

Fuel step adding apparatus of glass melter total oxygen combustion

Номер: CN0101381196B
Принадлежит:

The invention provides a hierarchical adding device for total-oxygen combustion fuel of glass melting furnaces. The device mainly comprises a main fuel pipe (2), a combustion-supporting oxygen pipe (7), a main burner (11), minor fuel pipes (12), as well as valves which are connected with the bodies of the combustion-supporting oxygen pipe (7), the main fuel pipe and the minor fuel pipes and play a certain role in controlling and regulating, wherein the main burner (11) has a casing-type structure and is sleeved with the body of the right part of the main fuel pipe (2); two minor fuel pipes (12) are provided, are symmetrically distributed on two sides of the main burner (11), and are parallel to the main burner; and the right end of the body of the combustion-supporting oxygen pipe (7) is connected and communicated with the main burner through a bent pipe. The device regulates the length, coverage area, temperature and other parameters of flame by adjusting the amount of fuel used between ...

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17-06-2015 дата публикации

Decomposing furnace based on stepped combustion and emission reduction NOx technology and control method thereof

Номер: CN104713360A
Принадлежит:

The invention discloses a decomposing furnace based on a stepped combustion and emission reduction NOx technology. The decomposing furnace comprises a spouting furnace, a pre-swirl combustion chamber and a lower cone body, wherein the pre-swirl combustion chamber is provided with a tertiary air channel, a main fuel effuser communicated with a cavity of the pre-swirl combustion chamber and a raw material feed pipe used for spraying the raw materials, and the lower cone body is provided with a stepped fuel effuser communicated with a cavity of the lower cone body; the distance between the point of intersection of the stepped fuel effuser and the inner wall surface of the decomposing furnace and the bottom end face of the pre-swirl combustion chamber is A, the height of the lower cone body is B, and then B/3<=A<=B. According to the decomposing furnace, after the tertiary air enters into the furnace in the tangential direction at the side face of the pre-swirl combustion chamber, a strongly ...

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05-08-2015 дата публикации

Selective catalytic reduction low-temperature denitration catalyst and preparation method thereof

Номер: CN104815671A
Принадлежит:

The invention relates to a catalyst capable of performing catalytic oxidation on nitric oxides in industrial smoke gas under a low-temperature condition and a preparation process thereof. The preparation method comprises the following steps: (1) dissolving strong acid into water to prepare a strong acid solution; (2) pouring potassium permanganate or soluble salt of iron or cerium into the strong acid solution, stirring to sufficiently mix and dissolve the potassium permanganate or a soluble salt of iron or cerium; (3) performing hydrothermal reaction on the solution; (4) after the hydrothermal reaction, performing suction filtration to obtain oxide precipitates, and washing the oxide precipitates with the acid solution and distilled water respectively; (5) drying the obtained sample; and (6) grinding the dried sample to obtain the required selective catalytic reduction low-temperature denitration catalyst. According to the method, the preparation process is simple, and the selective catalytic ...

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01-07-2015 дата публикации

Method for preparing mechanically-sensitive glass by two-step isothermal ion exchange

Номер: CN104743867A
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The invention provides a method for preparing mechanically-sensitive glass by two-step isothermal ion exchange. An ion exchange medium is taken as tempered molten salt for preparing the mechanically-sensitive glass to perform ion exchange; the ion exchange medium takes potassium nitrate or potassium nitrate and sodium nitrate as main components and is added with potassium hydroxide, potassium carbonate, potassium fluoborate, diatomite, clay and cerium oxide. The method for preparing the mechanically-sensitive glass by two-step ion exchange comprises the following steps: firstly arranging a glass plate in the tempered molten salt obtained in the first step to perform ion exchange for 24h to 28h at the temperature of T1; and subsequently arranging the glass plate in the tempered molten salt obtained in the second step to perform ion exchange for 15min to 60min at the temperature of T2, wherein T1 is equal to T2. The two-step ion-exchanged type mechanically-sensitive glass prepared by the ...

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11-03-2015 дата публикации

Hose nozzle device for cleaning electric vehicle

Номер: CN104399608A
Автор: LIU GAOBIN, LI QING, XIE JUNLIN
Принадлежит:

The invention provides a hose nozzle device for cleaning an electric vehicle. The hose nozzle device comprises a nozzle head and a nozzle handle, wherein the nozzle head comprises a spraying end and a buffer section; a horn opening is arranged in the spraying end; the horn opening is communicated with the buffer section through a straight channel; the buffer section of the nozzle head is communicated with the nozzle handle; the ratio of length to inner diameter of the straight channel is (1.27-1.5):1; the opening degree of the horn opening is determined by the inner diameter of the straight channel; the buffer section of the nozzle head is formed by successively communicating a left joint part, a straight paved path and a right joint part; the ratio of length to inner diameter of the straight paved path is (0.97-1.3):1; the inner diameter ratio of the straight paved path to the straight channel is (3.65-4):1. The hose nozzle device is made of a high-toughness metal material, is difficult ...

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19-11-2014 дата публикации

Glass clinker added into peritectic steel casting powder and preparation and application method thereof

Номер: CN104148619A
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The invention relates to glass clinker added into peritectic steel casting powder. The glass clinker comprises, by weight, 78.00-86.00 Wt% of gold and copper tailings, 5.00-10.00 Wt% of SiO2, 5.00-9.00 Wt% of CaF2, 1.00-2.00 Wt% of BaO, 0.50-1.50 Wt% of CO2O3, 0-0.2 Wt% of MnO2 and 0-0.1 Wt% of Ni2O3. In the using process, the weight percentage meets the requirement of 100 Wt%. The composite peritectic steel casting powder with excellent performance can be obtained by ball milling and even mixing of 40.00-60.00 Wt% of the peritectic steel casting powder, 30.00-50.00 Wt% of the prepared glass clinker and 3.00-12.00 Wt% of carbon dust. The composite peritectic steel casting powder has the advantages of being high in glass forming speed, high in crystallization rate, dark black in color, low in density of heat flow, small in release gas amount in the using process, even in slag film, capable of obviously reducing longitudinal cracking of peritectic steel casting blank and the like.

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08-09-2010 дата публикации

Impulse composite combustion method in breeze and natural gas mix combustion

Номер: CN0101293744B
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The invention discloses a pulse composite combustion method in mixed combustion of pulverized coal and natural gas, more particularly, the method is that after a rotary kiln is opened to rotate at a uniform speed, the natural gas is lighted; the pulverized coal is injected into the rotary kiln after the temperature in the kiln raises to 850 DEG C to 950 DEG C; when the pulverized coal burns stably to lead the kiln temperature to reach 1100 DEG C to 1150 DEG C, the natural gas is controlled and adjusted to be in a timing pulse state; the natural gas enters the rotary kiln by the pulse state under the timing pulse control of a 5 to 30 seconds interval and assists the pulverized coal to burn; hot gas produced by burning is delivered into a vertical preheater to preheat ores; a batch feeder begins to feed when the kiln temperature reaches 1150 DEG C to 1200 DEG C; under an combined action of self-gravity and the rotation of the kiln, the ores roll forwards; activity ores are formed by high ...

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05-03-2014 дата публикации

Battery pack locking alarming device of quick-changing-type electric automobile

Номер: CN103617692A
Автор: ZHENG QING, XIE JUNLIN, LI QING
Принадлежит:

The invention provides a battery pack locking alarming device of a quick-changing-type electric automobile. The battery pack locking alarming device comprises an alarming device and a bolt position detecting device. The alarming device is connected with the bolt position detecting device, and the bolt position detecting device is used for detecting the position of a bolt; the alarming device is used for giving an alarm when the position of the bolt is located in a preset alarming range. The battery pack locking alarming device can achieve bolt position alarming and bolt position displaying, and solves the problem that no alarm can be given when the bolt of a battery pack falls off.

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16-09-2015 дата публикации

Method for preparing low-density foam glass insulation material at low temperature

Номер: CN104909575A
Принадлежит:

The invention discloses a method for preparing a low-density foam glass insulation material at a low temperature. Quartz sand, albite, iron oxide powder, barium carbonate, calcium carbonate, dolomite, sodium carbonate, potassium carbonate and manganese dioxide are mixed uniformly in a ball grinder; the mixture is placed in a glass melting furnace and is subjected to high temperature melting, and then glass particles for preparing foam glass are obtained through water quenching; after the glass particles are dried in a drying oven, the dried glass particles are ground into glass powder in the ball grinder; the basic glass powder, sodium sulfate, borax and carbon powder are mixed uniformly in the ball grinder and a foam glass mixture is obtained; the foam glass mixture is placed in a die, the die is placed in a heating furnace, the temperature is risen to a foaming temperature of 720 DEG C-780 DEG C, and the foaming time is 10min-30min. The softening temperature is lowered through addition ...

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10-06-2015 дата публикации

Decomposing furnace based on multi-fuel injection technology

Номер: CN104692683A
Принадлежит:

The invention discloses a decomposing furnace based on the multi-fuel injection technology. The decomposing furnace comprises a spouting furnace, a pre-swirl combustion chamber which is positioned below the spouting furnace and communicated with the spouting furnace, and a lower cone body which is positioned between the pre-swirl combustion chamber and communicated with the pre-swirl combustion chamber; a third air inlet and a main fuel injection pipe communicated with a cavity are arranged on the pre-swirl combustion chamber; an inlet of the main fuel injection pipe is formed in the sidewall of the pre-swirl combustion chamber; a secondary fuel injection pipe is positioned on the top part of the pre-swirl combustion chamber or positioned at the cone part of the spouting furnace or positioned on a column body of the spouting furnace; the distance from the main fuel injection pipe to the top end surface of the pre-swirl combustion chamber is A; the length of the short vertical side of the ...

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05-01-2011 дата публикации

Method for judging optimal clarification area of float glass

Номер: CN0101936869A
Принадлежит:

The invention discloses a new method for judging an optimal clarification area of float glass. High-temperature viscosity and surface tension test technology of glass melt is adopted. The relationship among Redox number, high-temperature viscosity and surface tension is accurately represented by testing properties such as high-temperature viscosity, surface tension and the like of the glass melt of different Redox numbers, wherein the Redox range that the high-temperature viscosity and the surface tension are synchronously small is an optimal glass clarification area range, so the method provides basis for determining the optimal glass proportioning parameters. The method is simple, high in test efficiency and intuitive and accurate in optimal clarification area judgment of the float glass, can ensure the production quality of the float glass, and is particularly suitable for judgment of the optimal clarification area of the float glass and preparation of the float glass.

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06-04-2011 дата публикации

Method for measuring contents of ferrous ions and iron ions in glass

Номер: CN0102004084A
Принадлежит:

The invention discloses a method for measuring contents of ferrous ions and iron ions in glass, comprising the following steps: measuring the absorption spectrum of a provided glass sheet within the waveband range of 350-1100nm by using an ultraviolet and visible spectrophotometer; dividing the absorbency data in the absorption spectrum by the thickness of the glass sheet to obtain the absorbency of glass sheet with unit thickness, thereby further obtaining the spectrum curve of relationship between the wavelength in the absorption spectrum and the absorbency of the thickness of the glass sheet; carrying out smoothing treatment and basic line correction on the spectrum curve successively; and carrying out area integration on the spectrum curve after line correction respectively within the waveband range of 370-400nm and within the waveband range of 520-1100nm, and calculating the contents of iron ions and ferrous ions according to corresponding integrated areas. By using the method, the ...

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25-07-2023 дата публикации

Large-size composite bulletproof glass

Номер: CN116476472A
Принадлежит:

The invention discloses large-size composite bulletproof glass which comprises a combined functional glass layer and a bulletproof glass layer, and a hollow layer is formed between the combined functional glass layer and the bulletproof glass layer. Wherein the bulletproof glass layer comprises a plurality of pieces of float glass, a first film is arranged between every two adjacent pieces of float glass, and an explosion-proof film is arranged on the outer surface of the float glass farthest from the hollow layer; the combined functional glass layer comprises more than two pieces of semi-tempered glass, and a second rubber sheet is arranged between every two adjacent pieces of semi-tempered glass. According to the bulletproof glass, the most economical mode is adopted, the bulletproof effect is achieved with the minimum total thickness of the glass, meanwhile, the different requirements of energy conservation for thermal performance are met through flexible combination and adjustment of ...

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18-02-2015 дата публикации

Foam glass using basalt glass clinker and CRT (cathode ray tube) screen glass as main raw materials and preparation method of foam glass

Номер: CN104355546A
Принадлежит:

The invention relates to foam glass using a basalt glass clinker and CRT (cathode ray tube) screen glass as main raw materials. The foam glass comprises the following raw materials in percentage by weight: 50-70 wt% of basalt glass clinker powder, 22-42 wt% of CRT screen glass powder, 0.8-1.9 wt% of a foaming agent and 3-10 wt% of an additive, wherein the foaming agent is formed by mixing activated carbon and SiC; the additive is formed by mixing borax, sodium carbonate, sodium sulfate and ferric oxide powder. A preparation method of the foam glass comprises the following steps: grinding and mixing the basalt glass clinker powder and the CRT screen glass powder, which are obtained respectively, mixing the foaming agent and the additive according to the ratio, performing die-filling, sintering, and annealing to obtain the foam glass. The obtained foam glass is small in density, high in strength and high in porosity, has the thermal conductivity of 0.04-0.16 W/(K.m), and can be applied as ...

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