CORROSION-RESISTANT TILE

The invention relates to a corrosion-resistant tile, which includes a tile base plate which is a rectangular plate. An upper connecting hook is provided at one end of the tile base plate, and an upper fixing plate is arranged on the upper connecting hook. The upper fixing plate and the upper connecting hook are both located on the front side of the tile base plate. There is no less than one mounting hole on the upper fixing plate to fix the corrosion-resistant tile. A lower connecting hook is provided at the other end of the tile base plate, the lower connecting hook is located on the back side of the tile base plate, to be used to connect with the upper connecting hook of the longitudinally adjacent tile. A first transverse connecting device is provided at one side of the substrate, and a second transverse connecting device is provided at the other side. The first transverse connecting device is used for the second transverse connecting device of the corrosion-resistant tile adjacent to ...

Deep decomposition method of aluminum ammonium sulfate

The invention relates to a deep decomposition method of aluminum ammonium sulfate. The method is characterized in that solid waste flyash discharged from a coal-fired power plant or a coal-fired boiler is used as a raw material; aluminum ammonium sulfate crystals are prepared by sulfur-base ammonium salt medium pressure-leaching or roasting treatment and extraction of aluminium oxide in flyash; an aluminium-base heat carrier and inert gas are adopted to discharge decomposition gas products; preliminary decomposition and deep decomposition of aluminum ammonium sulfate are realized to prepare an aluminium oxide product; decomposition speed is accelerated, and a sulfur-base ammonium salt medium generated during the decomposition process of aluminum ammonium sulfate is efficiently recovered. In addition, aluminium oxide with high enthalpy value that is obtained after deep decomposition of aluminum ammonium sulfate can be used as a heat carrier in the preliminary decomposition process of aluminum ...

Baking method for printing patterns on surface of water cup

The invention discloses a method for baking a printed pattern on the surface of a water cup, which comprises the following steps of: 1, screwing a cup cover made of a plastic material on a cup opening of a cup body, and determining a specified position of pattern printing according to the position of the cup cover; 2, a pattern is printed at the designated position of the cup body, and the cup to be baked is formed; 3, the heat insulation clamp is placed on baking equipment with the opening facing upwards, the water cup to be baked is placed on the heat insulation clamp in an inverted mode, the shoulder of the cup body abuts against the opening of the heat insulation clamp in a limited mode, and the cup cover is completely placed in the heat insulation clamp to isolate the external temperature; 4, the baking equipment is started, the baking temperature ranges from 110 DEG C to 160 DEG C, and the baking time ranges from 20 minutes to 30 minutes; 5, after baking is completed, the water cup ...

Combined desulfurization and denitrification method implemented by using metallurgical slags

The invention provides a combined desulfurization and denitrification method implemented by using metallurgical slags. In the method, absorbent slurry prepared by using metallurgical slags and additives as raw materials is adopted, the absorbent slurry in an absorption tower, from top to bottom, is in countercurrent contact with flue gas from the bottom of the tower so as to complete the absorption of SO2 and NOx, the absorbent slurry after absorbing SO2 and NOx enters the absorption tower to carry out cyclic utilization, and then purified gas discharged from the absorption tower is demisted and the like, so that the obtained gas can be directly discharged, and an effect that the removal rate of SO2 is over 96% and the removal rate of NOx is over 73.5% is achieved. The method disclosed by the invention integrates desulfurization and denitrification, so that the running cost is reduced; the main component of an absorbent is metallurgical slags, so that the raw material cost is low; and the ...

Technique of mineral carbonation CO2-fixing for co-production of carbonate products

Process for removing coating on boundary of cup rim

The invention provides a cup rim boundary coating removing process which is low in cost and high in processing efficiency. The surface of the water cup comprises a contact section close to a cup opening and a spraying section away from the cup opening. The contact section is subjected to polishing treatment, the height of the contact section is 12-17 mm, the spraying section is subjected to spraying treatment, and the spraying thickness is 30-45 microns; comprising the following steps that S1, spraying is conducted, specifically, the water cup is subjected to spraying treatment, and a contact section and a spraying section are covered with a coating; s2, placing a cup: inversely placing the cup on a clamp and clamping the cup, starting equipment, and enabling the cup to rotate along with the clamp; s3, scraping demarcation: a cutter is close to a cup opening, the cutter is fed to perform scraping demarcation on a contact section at a specified height, and the thickness of the coating after ...

Urban heating direct-buried steam pipeline fitting integrated shaft

Quick punching segmenting machine of steel pipe

The invention discloses a quick punching segmenting machine of a steel pipe. The quick punching segmenting machine comprises a punch press, a guide frame, a carrier frame and a stamping die, wherein the stamping die comprises an upper stamping die and a lower stamping die, and both the upper stamping die and the lower stamping die are respectively of a surface with a slope. A punch is also arranged in a plane of the upper stamping die and corresponds to a groove in the plane of the lower stamping die and used for cutting off the steel pipe, an unloading plate is also arranged in the groove of the lower stamping die and can be used for ejecting waste materials, the guide frame can be used for adjusting an angle between the steel pipe and the stamping die, the carrier frame can push the steel pipe to be punched and segmented, since two slope gradients on the punch segmenting position of the stamping die part are identical, two segmented cross sections are identical in shape, so that continuity ...

Method for preparing aluminum hydroxide by utilizing high-alumina coal ash

The invention relates to a method for preparing aluminum hydroxide by utilizing high-alumina coal ash. By adopting the deep desilicication process and the two-step sub-molten salt dissolution process, not only can the secondary enrichment of the silicon component be realized, but also the aluminum component can be adequately dissolved under the low temperature and low pressure, the operation condition is moderate, the silicon and aluminum can be adequately utilized, and the dissolution rate of the aluminum can reach more than 95 percent. The method comprises the following steps: pretreating the high-alumina coal ash in a deep desilicication way; primarily dissolving; secondarily dissolving; concentrating and crystallizing the dissolution liquid; dissolving hydrated sodium aluminate crystals; performing desilicication on the sodium aluminate coarse liquid; seed precipitating the aluminium hydroxide; and dealkalizing tailings. The obtained desilicication liquid can be used for preparing a ...

Technique of mineral carbonation CO2 fixing joint produced carbonate products

The process of carbonating mineral, fixing CO2 and co-producing carbonate product includes the following steps: crushing calcium-containing solid waste and/or silicate ore to obtain solid particle, adding acid medium, stirring at 60-80 deg.c for 30-120 min, cooling, filtering to obtain calcium ion leaching solution, adding calcium-containing alkaline matter to regulate pH value to 7-8 and filtering to obtain calcium-containing material liquid; adding organic solvent to the calcium-containing material liquid via stirring and introducing CO2 to produce carbonating reaction; filtering the resultant liquid to obtain filtrate and solid matter; washing the solid matter with deionized water and drying to obtain calcium carbonate. The present invention can utilize solid waste and greenhouse gas CO2 resource to produce light calcium carbonate in low production cost and high economic benefit.

Corrosion-resistant tile

The utility model relates to a corrosion-resistant tile which comprises a tile base plate which is a rectangular plate. An upper connecting hook is arranged at one end of the tile base plate, an upperfixing plate is arranged on the upper connecting hook, the upper fixing plate and the upper connecting hook are both located on the front face of the tile base plate, and at least one mounting hole is formed in the upper fixing plate and used for fixing the corrosion-resistant tile. A lower connecting hook is arranged at the other end of the tile base plate, is positioned on the back surface of the tile base plate, and is used for being connected with an upper connecting hook of a longitudinally adjacent corrosion-resistant tile; a first transverse connecting device is arranged on one side ofthe tile base plate, a second transverse connecting device is arranged on the other side of the tile base plate, and the first transverse connecting device is used for being connected with the secondtransverse ...

Waterway control valve structure

The utility model discloses a waterway control valve structure, including the valve body that has water inlet and delivery port, install the case external member in the valve body, diaphragm pressing cover and axle sleeve, be formed with the via hole between water inlet and the delivery port, diaphragm pressing cover installs the top in the case external member, the case external member sets up the top at the via hole, top -down is by rubber diaphragm for the case external member, valve element and stagnant water rubber pad are constituteed, inlet duct has been seted up in the valve element, inlet duct and water inlet intercommunication, valve element's lower extreme card is equipped with a stagnant water rubber pad, the stagnant water rubber pad contacts with the last end face seal of via hole, valve element's upper end card is equipped with a rubber diaphragm, rubber diaphragm and diaphragm pressing cover's lower surface sealing connection are in the same place, form the water -pressure ...

Reactor for deep decomposition of aluminum ammonium sulfate and application method thereof

The invention relates to a reactor for deep decomposition of aluminum ammonium sulfate and an application method thereof. The invention is characterized in that solid waste flyash is used as a raw material, and aluminum ammonium sulfate crystals are prepared by sulfur-base ammonium salt medium treatment and extraction of aluminium oxide in flyash; in a single internally circulating fluidized bed reactor composed of a spouted bed reactor, an airlift loop reactor, a settling expanding section and a cyclone separator, an aluminium-base heat carrier and an inert gas are used for blowing, and decomposition of aluminum ammonium sulfate is realized to prepare an aluminium oxide product; decomposition speed is accelerated, and a sulfur-base ammonium salt medium generated during the decomposition process of aluminum ammonium sulfate is efficiently recovered; and problems such as low solids mixing efficiency, low heat transfer rate, overburning or insufficient burning of materials that usually exit ...

Waterway control valve subassembly

The utility model discloses a waterway control valve subassembly, including the case external member, diaphragm pressing cover and axle sleeve, diaphragm pressing cover installs the top in the case external member, top -down is by rubber diaphragm for the case external member, valve element and stagnant water rubber pad are constituteed, inlet duct has been seted up in the valve element, valve element's lower extreme card is equipped with a stagnant water rubber pad, valve element's upper end card is equipped with a rubber diaphragm, form the water -pressure balance chamber between rubber diaphragm and the diaphragm pressing cover, be provided with the water conservancy diversion hole with water -pressure balance chamber intercommunication in the diaphragm pressing cover, be provided with in the diaphragm pressing cover with the water conservancy diversion isolated pressure release hole in hole, radially be provided with pressure release rivers passageway along it in the diaphragm pressing ...

System and method for preparing isocyanate by gas-phase themolysis

The invention relates to a system and a method for preparing isocyanate by gas-phase themolysis, and belongs to the technical field of the preparation of the isocyanate. The system comprises a feeding system, a thermolysis reactor, a condensation system, an absorption system and the like, wherein the feeding system conveys reactants to enter the thermolysis reactor; the reacted gaseous products enter the condensation system for condensation, and condensation products are collected; and residual non-condensing gaseous products enter the absorption system for absorption. In the method, the reaction temperature is controlled to between 200 and 600 DEG C, and the relative pressure of a reaction is controlled to between 0 and 0.5 MPa; and carbamate powder is entrained by inert gases to enter a fluidized bed thermolysis reactor for staying for 0.1 to 60 seconds, and the generated gas is condensed and absorbed to prepare the isocyanate. The system and the method have the advantages that a fluidized ...

Angle valve joint with constant flow and non-return functions

The utility model discloses an angle valve joint with constant flow and non-return functions. The device comprises a connecting piece, a blocking piece, a water outlet piece, a first joint and a second joint, the connecting piece is fixedly connected to the second joint; the first joint is detachably connected with the second joint; a water stopping block is arranged at one end, facing the first joint, of the connecting piece; a water outlet part is arranged at one end, far away from the water blocking block, of the connecting piece; a water supply cavity is formed in the water outlet part, the blocking piece is arranged in the water supply cavity, the blocking piece comprises a first connecting column and a blocking plate, the blocking plate is arranged on the first connecting column in asleeving mode, the first connecting column is further sleeved with an elastic ring, and the elastic ring abuts against the face, facing the water inlet, of the blocking plate. Through the elastic deformation ...

Method for removing incrustation on surface of coiling block inside coiler furnace

The invention relates to a method for removing incrustation on the surface of a coiling block inside a coiler furnace. A brush is installed on the top of a lifting guide plate of a movable trolley, and the bristles of the brush are high-temperature resisting steel wires. The movable trolley enters the coiler furnace at the technology stand-by time, the lifting guide plate with the brush is lifted until the bristles make contact with the surface of the coiling block, the coiling block is started to rotate, and then bristles can clean the surface of the coiling block. The method which is utilized for removing the incrustation on the surface of the coiling block through the high-temperature resisting brush in a rolling brushing mode at present can reduce 5% off-contracted-quantity. Meanwhile, the working procedures that due to the fact that incrustation exists on the surface of the coiling block of the coiler furnace, the furnace needs to be stopped and cooled, a cover needs to be opened, ...

Reactor and method for preparing isocyanate by gas phase pyrolysis

The invention discloses a reactor and a method for preparing isocyanate by gas phase pyrolysis, and belongs to the technical field of preparation of isocyanate by gas phase pyrolysis. The reactor is an air agitated-bed reactor (1) of which the middle is provided with a central ejector (3); the air agitated-bed reactor (1) is filled with an inert solid bed material (2); the middle upper part of the air agitated-bed reactor (1) is provided with an inert gas and material inlet (4); the top end of the air agitated-bed reactor (1) is provided with a reducing nipple (5) of which the upper part is provided with a gas product outlet (6); the upper part of the air agitated-bed reactor (1) is provided with a pressure measuring port (9); and the bottom of the air agitated-bed reactor (1) is provided with a bed material outlet (7) which is controlled by a butterfly valve (8). The reactor and the method have the advantages that: under the stirring action of the airflow, the bed material in the reactor ...

Method for converting calcium and/or magnesium elements in steel slag or scruff into carbonate

The invention provides a method for converting calcium and/or magnesium elements in steel slag of scruff into carbonate. The method comprises the following steps: a. mixing organic acid with two to four carbon atoms and an organic solvent compatible with the organic acid to obtain an organic phase; b. adding water into the organic phase to obtain a two-phase mixing solution; c. dipping the steel slag or the scruff with the two-phase mixing solution for 30-150 minutes under 30-100 DEG C to obtain a lixivium containing residue; and d. filtering the lixivium, removing the residue, and leading CO2 gas into the lixivium with the residue removed to obtain the carbonate. In the invention, the organic acid with two to four carbon atoms and the organic solvent compatible with the organic acid are mixed to obtain the organic phase, and water is added into the organic phase to form the two-phase mixing solution which selectively lixiviates the calcium and/or magnesium elements in the steel slag or ...

Impact-resistant protective seamless wrestling dress

The invention relates to an impact-resistant protective seamless wrestling dress. The impact-resistant protective seamless wrestling dress is siamesed sportswear woven by a Santoni SM8-TOP2S-model seamless knitting machine. A first interval stitch is adopted on the waist and abdomen portion and the back portion of the wrestling dress, a second interval stitch is adopted on the shoulder portions, a front piece, the hip portion and the thigh portions, an eyelet stitch is adopted on body piece segmenting decoration threads, a close stitch is adopted on the crotch portion, and a tuck stitch is adopted on closing of a neck, sleeve openings and leg openings. The impact-resistant protective seamless wrestling dress is the sportswear integrating functionality with comfort; stitch structures highest in impact resistance are compatibly adopted on the parts, most susceptible to impact damage, of a human body, impact perforation of the waist and abdomen portion and the back portion of the wrestling ...

Water-based gel reaction kettle

The invention provides a water-based gel reaction kettle, which comprises a reaction kettle main body box, an outlet device pipe is arranged on the lower bottom surface of a treatment box base plate, a control switch valve is arranged on the rear side of the outlet device pipe, a treatment box fastening cover is arranged on the upper surface of the reaction kettle main body box, and an access port is arranged on the front side of the treatment box fastening cover, and a pressure detection meter is installed on the left side of the access port, a reaction kettle inner wall pipe is installed in the heat preservation shell, heating rings are arranged in the heat preservation shell and the reaction kettle inner wall pipe, and an insertion type stirring piece is installed in an insertion opening groove. The water-based gel reaction kettle provided by the invention has the inner wall of double-open-layer design, the middle sleeve is a high-strength heating ring, heating and heat preservation ...

Reactor for mineralization fixation of carbon dioxide by fortified calcium-base solid wastes in ammonia medium system and application method thereof

The invention relates to a reactor for mineralization fixation of carbon dioxide by fortified calcium-base solid wastes in an ammonia medium system and an application method thereof. The invention is characterized in that a pressurized loop reactor is used in the ammonia medium system's fortified calcium-base solid wastes mineralization fixation process of carbon dioxide. During the process, the reaction temperature is 60-200 DEG C, duration time of the reaction is 5-60 min, CO2 gas partial pressure is 1-40bar, and CO2 gas concentration is 20-99.99%. By the adoption of the pressurized loop reactor, defects such as high kinetic energy consumption of a stirred-tank reactor, large sealing difficulty of an overpressure system, easy deposition of solid materials in a mechanical agitation-free bubble column reactor and the like are overcome. The reactor provided by the invention has advantages as follows: pneumatic stirring replaces mechanical agitation; energy consumption is low; and the reactor ...

Novel equipment of spraying

The utility model relates to a chemical industry waste gas treatment technical field especially relates to a novel equipment of spraying who is used for purifying industrial waste gas. It includes the tower body, and tower body outside below is connected with the thick liquid groove, and the top is provided with the gas vent, the inside top of tower body is provided with spray set, and spray set is linked together with the feed liquor pipe, the inside below of tower body is provided with the intake pipe, and the upside that the interior below of tower body is located the intake pipe export still is equipped with air distributor, leaves the space between air distributor and the tower body inner wall, still be equipped with the arch that can make the tower body internal diameter change on the tower body inner wall. The utility model discloses in through set up the arch on the tower body inner wall, can prolong motion path and the dwell time of waste gas in the tower body, make to spray liquid ...

Novel rain -proof cover of switch mechanism case

The utility model discloses a novel rain -proof cover of switch mechanism case, for the cuboid box of establishing the cavity in one, this box includes 4 fixed walls, 1 bottom plate and 1 dodge gate, the dodge gate sets up at the lateral part, and the dodge gate passes through stainless steel hinge and fixed wall swing joint, and fixed wall passes through with the bottom plate that the hasp lock is detachable to be connected, the hasp lock include with the hasp lock mounting of fixing wall fixed connection and with bottom plate fixed connection's hasp lock moving part, the bottom plate is fixed on the base of switch mechanism case. The utility model provides a novel rain -proof cover of switch mechanism case have the leakproofness good, easily install and remove and long service life's characteristic.

Method for extracting alumina from fly ash through sulfo ammonium salt mixing medium system

The invention relates to a method for extracting alumina from fly ash through a sulfo ammonium salt mixing medium system. The method comprises: adopting solid waste fly ash discharged from coal-fired power plant or boiler as a raw material, and carrying out strengthening leaching in a sulfo ammonium salt mixing medium system at a high temperature of 120-240 DEG C, wherein the leaching time is 0.5-6 h; maintaining the system at a temperature of 75-95 DEG C after the leaching, and filtering to obtain the primary filtrate and the primary filtration residue; cooling the primary filtrate to a temperature of 10-30 DEG C by using the characteristic of the large change of the ammonium aluminum sulfate solubility along with the temperature change so as to precipitate the ammonium aluminum sulfate solid; washing the primary filtration residue at a temperature of 85-95 DEG C, and filtering to obtain the secondary filtrate and the secondary filtration residue; carrying out evaporation concentration ...