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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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Форма поиска

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 28. Отображено 28.
09-04-2021 дата публикации

Bar code identification device for placing samples in multiple circles

Номер: CN212932305U

The utility model discloses a bar code identification device for placing samples in multiple circles, which comprises a sample storage disc unit, a sampling arm unit, a test tube lifting unit and a code identification unit which are all arranged on the same fixed bottom plate, and the sampling arm unit is arranged on the side edge of the sample storage disc unit. A sampling arm in the sampling arm unit is rotationally arranged above the sample storage disc unit; the test tube lifting unit is installed at the bottom of the sample storage disc unit, and the code recognition unit is installed on a sampling arm of the sampling arm unit and faces a sampling needle in the sampling arm unit. The problem that the bar code of the test tube on the inner ring of the storage disc is shielded is solved, the sample processing amount is increased while the automation degree is improved, and the operation process is simplified.

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11-02-2009 дата публикации

Isothermal spheroidizing technology of cold precision forging gear blank

Номер: CN0101363077A
Принадлежит:

This invention discloses an isothermal spheroidizing annealing process of a cold close-die forging gear blank, which relates to the technical field of metal heat treatment. The process is sequentially carried out in a closed annealing heating furnace according to the process flow. The improvement is that high-purity nitrogen gas and methanol cracked gas are charged in the annealing heating furnace, a front vacuum ventilation chamber and a rear vacuum ventilation chamber are respectively arranged at the front and the back of the heating furnace, and the ventilation chambers are preevacuated and are fed with the high-purity nitrogen gas to high atmospheric pressure. The main process flow comprises preheating, heating, heat preservation, fast cooling, isothermy, slow cooling and water cooling, which are continuously carried out by computer process control. The process is used for the isothermal spheroidizing annealing of the cold close-die forging gear blank, and has low production cost and ...

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17-08-2011 дата публикации

Linkage compressed type multihole drilling tool

Номер: CN0102151876A
Принадлежит:

The invention discloses a linkage compressed type multihole drilling tool. The linkage compressed type multihole drilling tool comprises a multishaft drill chuck, a template, a guide rod, a base, a cushion block, a location core shaft, a compressing head, a drill bushing, a small shaft, a spring and a nut; a framework structure consists of a base and the guide rod; the location core shaft and the cushion block are arranged on the middle part of the template; the template is positioned below the multishaft drill chuck and spaced from the multishaft drill chuck in parallel; the spring is arranged between the multishaft drill chuck and the template; and the multishaft drill chuck and the template are connected through the small shaft and the nut to form a linkage mechanism capable of elastically moving along the axial direction of the guide rod. The compressing head on the bottom surface of the template is coaxially opposite to the location core shaft. During use, the template moves up and ...

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09-07-2014 дата публикации

Adjustable shaft seal structure of electric motor bearing

Номер: CN103912684A
Принадлежит:

The invention discloses an adjustable shaft seal structure of an electric motor bearing. The adjustable shaft seal structure is arranged on the outer side of a rolling bearing and is a radial seal structure. A pressing plate is arranged between a bearing end cover and the rolling bearing. The pressing plate is connected with the bearing end cover through a screw. The bearing end cover and the pressing plate are provided with opposite concave annular grooves, the opposite concave annular grooves are used for felt rings to be embedded and provided with trapezoidal axial cross sections. The pressing plate is axially moved by adjusting the screw, and the size of the concave annular grooves can be changed. The felt rings are embedded in the concave annular grooves jointly formed by the bearing end cover and the pressing plate to be in sealing match with an electric motor shaft so as to form a radial seal structure. The size of the trapezoidal concave annular grooves can be decreased, accordingly ...

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16-06-2010 дата публикации

Isothermal normalizing technology of carburized gears steel forging

Номер: CN0101363073B
Принадлежит:

The invention discloses an isothermal normalizing process of a carburized gear steel forging stock, which relates to the technical field of metal heat treatment. The process is carried out on a brightisothermal normalizing production line under a preevacuated and fully electrically heated roller bottom protective atmosphere. The heating, heat preservation, fast cooling, isothermy and water cooling in the protective atmosphere are automatically completed by a PLC control. The normalizing heating temperature of the forging stock is Ac3 plus (100-150) DEG C, and the temperature is kept for 36-45min, and the forging stock is quickly cooled to 560-600 DEG C within 10min by high-purity nitrogen gas blown by an electric fan. The normalizing process has the advantages of normative operation, highproduction efficiency, and can ensure that the forging stock is not oxidized and decarburized in the heat treatment process, and austenite crystals in the forging stock are evenly distributed, whichavoids ...

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22-10-2020 дата публикации

A Technology of Establishing Cost Performance Evaluation Model of Blast Furnace Fuel Injection

Номер: AU2020102222A4
Принадлежит: Alder IP Pty Ltd

The invention discloses a model for evaluating the cost performance of blast furnace fuel injection, which belongs to the technical field of blast furnace ironmaking, and solves the problem of optimal selection of blast furnace fuel. Based on the combustion reaction behavior of fuel in blast furnace, the concept that fuel can provide the effective calorific value for blast furnace is put forward. Eight indexes that affect the effective calorific value of fuel and three indexes that affect the cost of fuel injection are selected, and the cost-performance evaluation model of fuel injection for blast furnace is established. The model is easy to calculate and has important guiding significance for the optimal selection of fuel for blast furnace injection practice ...

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04-03-2015 дата публикации

Gauge for radial run-out of inner bore walls at two ends of hollow shaft

Номер: CN104390543A
Принадлежит:

The invention discloses a gauge for radial run-out of inner bore walls at two ends of a hollow shaft. The gauge comprises a foundation bed, a fixed bracket and a movable bracket, wherein one end of the foundation bed is fixedly connected with the fixed bracket; the movable bracket is positioned and arranged at the other end of the foundation bed by virtue of three longitudinal slots which are parallel to one another and upwards open. An adjustable positioning structure which consists of a movable tip, a shaft sleeve, a spring and a fan-shaped gear is assembled on the top of the movable bracket. The tip arranged on the top of the fixed bracket at the other end of the foundation bed is coaxial with the movable tip in the movable bracket. A dial indicator arranged on the fixed bracket is positioned on the side surface of the tip, and the axes of the dial indicator and the fixed bracket are parallel to one another. According to the gauge for radial run-out of inner bore walls at the two ends ...

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16-05-2023 дата публикации

Mixed amine modified mesoporous silica solid adsorbent as well as preparation method and application thereof

Номер: CN116116384A
Принадлежит:

The invention relates to a mixed amine modified mesoporous silica solid adsorbent as well as a preparation method and application thereof, and the preparation method comprises the following steps: mixing tetraethylenepentamine and diethanol amine in an organic solvent, then adding SBA-15, dipping and stirring at room temperature, and drying to obtain the mixed amine modified mesoporous silica solid adsorbent. Compared with the prior art, the prepared mixed amine modified solid adsorbent can be used for directly capturing carbon dioxide from air. The mixed amine modified solid adsorbent prepared by the method has the characteristics of high adsorption capacity, high adsorption rate, high amine efficiency, low regeneration temperature, good stability, simple preparation process, low cost and the like.

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09-07-2014 дата публикации

Motor rotor with differential air supply structure

Номер: CN103915942A
Принадлежит:

The invention discloses a motor rotor with a differential air supply structure. The motor rotor is formed by a motor shaft, an electromagnetic assembly fixedly connected to the motor shaft, a left fan blade and a right fan blade, wherein the left fan blade and the right fan blade are fixedly connected to the two ends of the electromagnetic assembly and respectively have an open-type blade structure. The motor axial cross section dimensions of the left fan blade and the right fan blade are identical. The improvement of the motor rotor is characterized in that compared with the left fan blade, the right fan blade is closer to the central axis of a motor. When the motor rotor is rotated, the wind sweeping radius of the left fan blade is larger than that of the right fan blade, so that the wind power value generated by the left fan blade is greater than that of the right fan blade. Due to the structural difference, the left fan blade and the right fan blade generate an air pressure difference ...

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11-07-2023 дата публикации

Online water removal system and water removal method for brominated polystyrene solvent

Номер: CN116407858A
Принадлежит:

The invention relates to a brominated polystyrene solvent on-line water removal system and a water removal method, and belongs to the technical field of solvent water removal, the device comprises a demister, a primary condenser, a gas-liquid separator and an inorganic pervaporation membrane group which are connected in sequence, and an inlet of the demister is connected with an outlet of a distillation still; one outlet of the inorganic pervaporation membrane group is connected to the secondary condenser, the other outlet of the inorganic pervaporation membrane group is connected to the roots vacuum pump, and the roots vacuum pump is connected with the condensate water receiving tank. By means of the pervaporation membrane, the moisture in the condensed and recycled solvent can be stably controlled to be below 300 ppm, and the stability of the quality of the solvent is improved on the premise that it is guaranteed that the moisture meets the requirement.

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08-08-2023 дата публикации

Preparation of polyethylene glycol modified solid amino adsorbent and application of polyethylene glycol modified solid amino adsorbent in direct air carbon capture

Номер: CN116550304A
Принадлежит:

The invention relates to preparation of a polyethylene glycol modified solid amino adsorbent and application of the polyethylene glycol modified solid amino adsorbent in direct air carbon capture, and the preparation method comprises the following steps: preparing tetraethylenepentamine and polyethylene glycol into an organic mixed solution, adding SBA-15, dipping and stirring to obtain the polyethylene glycol modified solid amino adsorbent. The prepared polyethylene glycol modified solid amino adsorbent can be used for adsorbing CO2 in air. Compared with the prior art, the preparation method comprises the following steps: mixing tetraethylenepentamine and polyethylene glycol according to a certain ratio to obtain a mixed organic solution, and loading amine and an additive (polyethylene glycol) on the surface and in pores of the SBA-15 carrier by adopting a dipping method. The obtained polyethylene glycol modified solid amino adsorbent can be used for directly capturing carbon dioxide from ...

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09-07-2014 дата публикации

A horizontal motor wire drawing machine having sliding guide rails

Номер: CN103915951A
Принадлежит:

The invention discloses a horizontal motor wire drawing machine comprising a base, an oil cylinder assembly, a wire clamp pincer, a stator fixation frame, a hydraulic pressure station, a wire clamp pincer support frame, and guide rails parallel to the central axis of a rod of the oil cylinder assembly. The base is in a frame structure; the stator fixation frame is fixedly connected to the front end of the base; the oil cylinder assembly is fixedly connected to the rear end of the base; the wire clamp pincer is hinged to the right end of the piston rod of the oil cylinder assembly; the guide rails are distributed at the two sides of the piston rod of oil cylinder assembly; the wire clamp pincer support frame crosses over the guide rails, and grooves in interference fit with the guide rails are arranged at the two sides; and the wire clamp pincer support frame is hinged with the wire clamp pincer. According to the horizontal motor wire drawing machine, the wire clamp pincer is supported on ...

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25-04-2023 дата публикации

Quantitative characterization method based on iron ore powder pellet powder removal rate

Номер: CN116008118A
Принадлежит:

The invention relates to a quantitative characterization method based on the powder removal rate of iron ore powder pellets, which comprises the following experimental steps: selecting iron ore powder with the particle size of 74 mu m or less and the proportion of 80% or more as a raw material for pelletizing; sufficiently and uniformly mixing the pelletized iron ore powder and an additive, adding the mixture into a disc pelletizer, replenishing water and pelletizing to produce a qualified product with the water content of 8-10%; and drying and weighing, and calculating the powder removal rate of the pellets. The method has the advantages that firstly, the ratio of the powder removal amount of the pellets dried under different conditions to the mass of the pellets is measured through experiments, and the powder removal rate in the pellet drying process is represented; the surface smoothness and the pelletizing performance of the pellets are represented through the powder removal rate; and ...

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09-04-2021 дата публикации

Liquid sampling device

Номер: CN212932034U

The utility model discloses a liquid sampling device which comprises a sampling needle, a diaphragm pump, a plunger pump, a water storage container and a three-way valve, a water inlet of the diaphragm pump is communicated with the water storage container through a pipeline, a water outlet of the diaphragm pump is communicated with a COM port of the three-way valve through a pipeline, and an NO port of the three-way valve is communicated with the outer wall of the sampling needle through a connecting pipe. The NC port of the three-way valve is communicated with the inner wall of the sampling needle through a connecting pipe; the plunger pump is communicated with the inner wall of the sampling needle through a pipeline and a connecting pipe. According to the utility model, frequent replacement of the sample needle can be avoided, the structure is simple, the cost is saved, the design of the buffer area and the annular rectification area on the sample needle enables water flow to uniformly ...

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13-05-2009 дата публикации

Sphere center position detection apparatus for inner spider alley

Номер: CN0101430183A
Принадлежит:

The invention discloses a device for detecting an inner star wheel padded wall center of sphere position, which comprises a positioning seat, an auxiliary axis, a base, a principle axis, a washer, a cage, a holding screw, a gauge stand, a dial test indicator, and a locking screw. The base is connected with the auxiliary axis and the principle axis. The cage and the washer are sheathed on the principle axis together. The positioning seat is provided with two parallel through holes which are matched with the auxiliary axis and the cage in a transitional way. The positioning seat can move up and down corresponding to the base. The middle part of the upper plane of the positioning seat is connected with the gauge stand used for fixing the dial test indicator and the side surface of the positioning seat is provided with a padded wall center of sphere positioning benchmark setting structure which comprises a pin roll, steel ball, a bolt and a cover board. The plane of the base is set as zero ...

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04-03-2015 дата публикации

Gear ring length dimension gauge

Номер: CN104390558A
Принадлежит:

The invention discloses a gear ring length dimension gauge. The gauge comprises a base, a slider, a shaft seat, an instrument and an instrument frame. The instrument frame is mounted on the base and consists of a vertical rod and a horizontal rod which are intersected with each other; the instrument is assembled at the end of the horizontal rod. An internal open groove is formed in a plate surface of the base; the two sides of the open groove are provided with upward bevels. The bottom surface of the slider is matched with the upward bevels on the two sides of the open groove of the base to form a straight rail structure; the inner side surface of one upwards-bent side is provided with a V-shaped groove vertical to the straight rail. A circular bead is arranged at the top end of the shaft seat and has clearance fit with an inner hole of a work-piece; the shaft seat is moved so that the outer wall of a main shaft section is located close to the bevel of the vertical V-shaped groove of the ...

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09-06-2023 дата публикации

Iron ore powder classification and quantification method and device based on visible light-near infrared technology

Номер: CN116242798A
Принадлежит:

The invention relates to the technical field of iron ore powder detection, in particular to an iron ore powder classification and quantification method and device based on a visible light-near infrared technology. The invention discloses an iron ore powder classification and quantification method based on a visible light-near infrared technology. The method comprises the following steps: collecting visible light-near infrared spectrum data of iron ore powder; based on a principal component analysis algorithm, iron ore powder characteristic values are obtained; and establishing an iron ore powder classification and quantitative model through a random forest algorithm and a BP neural network algorithm, and carrying out classification and quantitative analysis on the iron ore powder according to the classification and quantitative model. According to the method, classification and quantitative detection of the iron ore powder are efficiently and accurately realized.

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29-08-2023 дата публикации

Phosphorus flame retardant and preparation method and application thereof

Номер: CN116655698A
Принадлежит:

The invention relates to a phosphorus-based flame retardant as well as a preparation method and application thereof, and belongs to the technical field of flame retardants. According to the phosphorus-based flame retardant provided by the invention, DOPO is subjected to modification treatment, a plurality of DOPO reactants are bonded, and a long carbon chain structure is introduced into the phosphorus-based flame retardant, so that the distribution uniformity of the phosphorus-based flame retardant in an epoxy resin matrix and the bonding strength of the phosphorus-based flame retardant and epoxy resin are improved, and meanwhile, due to introduction of a long carbon chain, the flame retardance of the epoxy resin is improved. In the flame-retardant process, coke in a condensed phase can be promoted to be generated, the coking rate is increased, so that the flame-retardant effect is improved, the introduced nitrogen element forms nitrogen-containing free radicals in the flame-retardant process ...

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04-02-2015 дата публикации

Fixture for slotting male spline of axle shaft gear

Номер: CN104325313A
Принадлежит:

The invention discloses a fixture for slotting a male spline of an axle shaft gear. The fixture consists of a screw, a gasket and a tooth die, wherein the tooth die is arranged on a machine tool working table in a positioning manner, and the screw vertically penetrates the inner bore of the tooth die so as to be connected with a machine tool pull rod; the gasket is an opening gasket, and the gasket is matched with the screw to form a quick assembly and disassembly structure; a concave die cavity of which the conical tooth faces upwards is formed in the tooth die, and the conical tooth parameter of the die cavity is equal to that of a workpiece. According to the fixture disclosed by the invention, the workpiece is positioned by the tooth die, and a bolt is located in the inner bore of the workpiece and is used for axial locking, so that the outer wall of the workpiece has no barriers, and the male spline of the workpiece can be conveniently slotted; the aims that the slotting quality is ...

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09-07-2014 дата публикации

Hydraulic lifting motor stator transfer trolley

Номер: CN103910307A
Принадлежит:

The invention discloses a hydraulic lifting motor stator transfer trolley which comprises a stator bearing assembly, a trolley frame assembly and a trundle assembly. The trolley frame assembly is a frame member and comprises a bearing frame and a base which are arranged in an erecting mode. The bearing frame is fixedly connected onto the base, the trundle assembly is fixedly connected at the bottom of the base, the stator bearing assembly comprises a support and a roller assembly which are arranged in a flat mode, and the roller assembly is fixedly connected on the upper end face of the support. One side of the support is connected with the bearing frame, guide rail grooves which are formed vertically and oppositely in parallel are formed in the bearing frame, a wheel assembly is arranged on the side of the stator bearing assembly, and wheels of the wheel assembly are installed in the guide rail grooves of the bearing frame and can roll vertically along the guide rail grooves of the bearing ...

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26-03-2014 дата публикации

System and method for achieving virtual touch screen

Номер: CN103677447A
Автор: WANG YAOZU
Принадлежит:

The invention discloses a system and method for achieving a virtual touch screen. The system comprises intelligent equipment and a positioning device used for positioning. The positioning device comprises an infrared synchronizing signal emitting head and an ultrasonic wave emitting head. Three side edges of the intelligent equipment are respectively provided with an ultrasonic wave receiving head corresponding to the ultrasonic wave emitting head, the intelligent equipment is further provided with an infrared synchronizing signal receiving head corresponding to the infrared synchronizing signal emitting head, signals are synchronously emitted through the infrared synchronizing signal emitting head and the ultrasonic wave emitting head, and the corresponding infrared synchronizing signal receiving head and the three ultrasonic wave receiving heads are used for receiving signals. The intelligent equipment is further provided with a calculating module and a responding module, the calculating ...

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09-07-2014 дата публикации

Spiral-type ventilation structure between motor base and stator

Номер: CN103915932A
Принадлежит:

The invention discloses a spiral-type ventilation structure between a motor base and a stator. The spiral-type ventilation structure comprises a base, ribs, and a stator. The ribs are arranged on the inner wall of the base and are encircled between the inner wall of the base and the outer wall of the stator in a spiral mode. The further improvement is that the number of the ribs is an odd number in a range from 3 to 9. According to the spiral-type ventilation structure, the lengths of ventilation channels are substantially increased, so that the distance of flowing of the laminar flow wind through the outer wall of the stator is effectively increased, the laminar flow wind is allowed to carry out heat exchange with the outer wall of the stator fully, and the cooling effect is substantially improved. And the odder number of ventilation channels form turbulent flow wind easily, so that the contact times between the wind and the outer wall of the stator is further increased, the heat exchange ...

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07-09-2011 дата публикации

Linear contact straight bevel gear positioning body and machining method thereof

Номер: CN0102176137A
Принадлежит:

The invention relates to a linear contact straight bevel gear positioning body and a machining method thereof. The method comprises the following steps of: (1) drawing a three-dimensional model of a positioning body tooth profile according to tooth profile parameters of a gear; (2) simulating a control interface of the positioning body tooth profile; (3) performing positioning body machining programming; (4) making a blank; (5) roughly milling the blank of the positioning body by using a machining center to form the positioning body tooth profile; (6) performing thermal treatment; (7) grinding the outer circle and end face reference of the positioning body; and (8) finely milling the positioning body tooth profile by using the machining center. The positioning body comprises the straight bevel gear and a gear positioning body, wherein the gear positioning body is in linear contact with the straight bevel gear from a larger end to a smaller end; and an extension line of a contact line of ...

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19-08-1998 дата публикации

Automatic recorder for depth of falling well

Номер: CN0002288267Y
Принадлежит: WANG YAOZU

The utility model relates to an automatic recorder for the depth of falling into a well. The utility model uses photoelectric and magnetoelectric effect; under the condition of no mechanical contact with a cable car, the utility model converts the rotating direction and turning numbers of a counting wheel into depth values to be stored in a microprocessor system via a photoelectric or a magnetoelectric counting circuit and the microprocessor system; the utility model can also display and/or print the depth values, and can also transmit the depth values to the recorder via an RS232 interface to be recorded with the parameters of well logging. The utility model has the advantages of simple and reasonable structure, convenient operation, reliable data record and long service life, can directly display and/or print the depth of falling into the well, and provides conditions for the automation of measurement.

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11-02-2009 дата публикации

Isothermal normalizing technology of carburized gears steel forging

Номер: CN0101363073A
Принадлежит:

The invention discloses an isothermal normalizing process of a carburized gear steel forging stock, which relates to the technical field of metal heat treatment. The process is carried out on a bright isothermal normalizing production line under a preevacuated and fully electrically heated roller bottom protective atmosphere. The heating, heat preservation, fast cooling, isothermy and water cooling in the protective atmosphere are automatically completed by a PLC control. The normalizing heating temperature of the forging stock is Ac3 plus (100-150) DEG C, and the temperature is kept for 36-45min, and the forging stock is quickly cooled to 560-600 DEG C within 10min by high-purity nitrogen gas blown by an electric fan. The normalizing process has the advantages of normative operation, high production efficiency, and can ensure that the forging stock is not oxidized and decarburized in the heat treatment process, and austenite crystals in the forging stock are evenly distributed, which avoids ...

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09-07-2014 дата публикации

Adjustable stator positioning supporting device of motor wire drawing machine

Номер: CN103915949A
Принадлежит:

The invention discloses an adjustable stator positioning supporting device of a motor wire drawing machine. The device is arranged at the front end of the motor wire drawing machine. The adjustable stator positioning supporting device comprises a support and stator supporting assemblies. The stator supporting assemblies are connected to the upper end surface of the support. The stator supporting assemblies are two groups of parallel roller assemblies. Each roller assembly includes a roller and supporting seats arranged at the two ends of the roller, wherein the roller is supported by a rolling bearing in the supporting seat; and the positions of the supporting seats at the upper end surface of the support can be adjusted. According to the adjustable stator positioning supporting device of the motor wire drawing machine, the positions of the supporting seats at the upper end surface of the support can be adjusted, so that the space between the stator supporting assemblies can be adjusted ...

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07-01-2015 дата публикации

Double-layer ventilation soundproof window

Номер: CN104265137A
Принадлежит:

The invention relates to window structures, in particular to a double-layer ventilation soundproof window. A rectangular cavity is formed between an inner window and an outer window, one side wall of a window frame is provided with an air inlet channel, the air inlet channel is in the same height with the cavity and can rotate at 90 degrees, and an air inlet of the air inlet channel is arranged on one side of an external wall window frame. The other side wall of the window frame is provided with an air outlet channel, the air outlet channel is in the same height with the cavity and can rotate at 90 degrees, and an air outlet of the air outlet channel is arranged on the other side of an interior wall window frame. The air inlet, the air inlet channel, the cavity, the air outlet channel and the air outlet are ventilation channels with S-shaped horizontal section. A honeycomb metal perforated plate is arranged at the connection portion of the cavity with the air inlet channel and the connection ...

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06-06-2023 дата публикации

Mixed amine functionalized mesoporous silica solid adsorbent as well as preparation and application thereof

Номер: CN116212820A
Принадлежит:

The invention relates to a mixed amine functionalized mesoporous silica solid adsorbent and preparation and application thereof, and the preparation method comprises the following steps: mixing polyethyleneimine and diethanol amine in an organic solvent, adding SBA-15, dipping and stirring at room temperature, and drying to obtain the mixed amine functionalized mesoporous silica solid adsorbent. Compared with the prior art, the mixed amine functionalized solid adsorbent prepared by the invention can be used for directly capturing carbon dioxide from air or an indoor environment, and has the characteristics of high adsorption capacity, high adsorption rate, high amine efficiency, low regeneration temperature, good stability, simple preparation process, low cost and the like.

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