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47 results about "Firebrick layer" patented technology

Lining structure of lime kiln

The lime kiln lining structure comprises a kiln top lining and a kiln body lining, and the kiln body lining comprises a first refractory brick layer, a second refractory brick layer, a first heat insulation layer, a second heat insulation layer and a third heat insulation layer which are sequentially arranged from inside to outside. Contact surfaces between two adjacent bricks in the first refractory brick layer are in concave-convex fit and are in sealed connection; the strength of the kiln top lining is higher than that of the first refractory brick layer, the second refractory brick layer, the first heat insulation layer, the second heat insulation layer and the third heat insulation layer, and the kiln top lining extends downwards to form a reinforcing part; kiln protecting plates are arranged on the inner side face of the kiln top lining and the upper side surface of the side, away from the second refractory brick layer, of the first refractory brick layer. The stability of the lime kiln lining can be enhanced, and the service life of the lime kiln can be prolonged; meanwhile, the heat preservation performance of the lime kiln can be enhanced, and heat loss is reduced.
Owner:GUANGDONG NANFANG SODA ASH IND

Fabricated fused salt storage tank foundation and construction method thereof

The invention relates to an assembly type fused salt storage tank foundation and a construction method thereof. The foundation comprises a gravel layer, a ceramsite soil filling layer, a composite heat preservation layer, a leakproof steel plate assembly, a quartz sand cushion layer and a heat-resistant concrete ring wall surrounding the gravel layer, the ceramsite soil filling layer, the composite heat preservation layer, the leakproof steel plate assembly and the quartz sand cushion layer from bottom to top in sequence. Wherein the heat-resistant concrete ring wall is formed by splicing a plurality of prefabricated modules and is arranged on the gravel layer; a temperature measuring thermocouple assembly is further arranged in the leakage-proof steel plate assembly and used for detecting temperature changes. A steel fiber concrete layer and a refractory brick layer are sequentially arranged above the anti-leakage steel plate assembly and correspond to the lower portion of the molten salt storage tank wall plate. According to the heat-resistant concrete ring wall, the adopted prefabricated modules are rapid in installation and short in maintenance period, so that the construction period is short, the construction efficiency is greatly improved, the leakage detection system is arranged, leakage can be found in time, the accident treatment cost is effectively reduced, and the annual maintenance cost is reduced by 20-30%; therefore, the installation cost and the maintenance cost are greatly reduced.
Owner:BLUESTAR BEIJING CHEM MACHINERY

A waste heat boiler supplementary combustion device

The utility model provides a post-combustion device for a waste heat boiler, comprising a post-combustion pipeline and a burner, the post-combustion pipeline comprising a first steel pipe, the outlet of the first steel pipe is connected to the hot flue gas inlet of the waste heat boiler, the inner wall of the first steel pipe is provided with a thermal insulation expansion layer, the inner wall of the thermal insulation expansion layer is provided with a first refractory brick layer, the inlet of the first steel pipe is provided with a plugging portion, the plugging portion comprises a second refractory brick layer, one side of the second refractory brick layer is provided with a thermal insulation layer, the second refractory brick layer and the thermal insulation layer are penetrated by a second steel pipe inside, the inlet of the second steel pipe is connected to the burner, the burner can make the gas in the post-combustion pipeline fully burn, the heat generated by the post-combustion machine is transported to the first refractory brick layer through the second steel pipe, and then transported from the first refractory brick layer to the boiler, which greatly reduces the heat dissipation to the outside and improves the utilization rate of the heat.
Owner:BAOTOU BOHONG BOILER ELECTROMECHANICAL SALES CO LTD

Efficient 8000A electrolytic furnace and furnace building method thereof

The invention discloses an efficient 8000A electrolytic furnace and a furnace building method thereof, and relates to the technical field of rare earth metal production equipment. The efficient 8000A electrolytic furnace comprises an outer steel sleeve, an inner steel sleeve arranged in the outer steel sleeve, a graphite tank arranged in the inner steel sleeve, and a furnace table panel arranged at the tops of the outer steel sleeve, the inner steel sleeve and the graphite tank, a graphite powder layer is filled between the graphite groove and the inner steel sleeve, a bottom refractory brick layer is laid between the bottom wall of the inner steel sleeve and the bottom wall of the outer steel sleeve, and a lower yellow mud soil layer, a middle refractory brick layer and an upper cement mortar layer are sequentially filled between the side wall of the inner steel sleeve and the side wall of the outer steel sleeve from the bottom refractory brick layer to the furnace table panel; the height of the lower yellow mud soil layer is larger than the standard height delta h, and the height of the middle refractory brick layer is smaller than the standard height delta h. The heat preservation effect of the furnace body can be improved, heat loss in the electrolysis process can be reduced, and stability of heat balance in the furnace is facilitated, so that the yield of the 8000A electrolytic furnace is improved, and unit consumption is reduced.
Owner:ZHONGXI (LIANGSHAN) MAGNETIC MATERIALS CO LTD +1

Heat preservation chute and flue gas waste heat utilization system

The utility model discloses a heat preservation chute and a flue gas waste heat utilization system, a chute body of the chute comprises a refractory brick layer and a first heat preservation layer which are sequentially arranged from inside to outside, a flue gas channel is arranged in the side wall and / or the bottom of the chute body, and the flue gas channel is arranged between the refractory brick layer and the first heat preservation layer. The flue gas channel extends along the length direction of the tank body; a flue gas inlet and a flue gas outlet which extend towards the outer side of the tank body are formed in the first thermal insulation layer; and the flue gas inlet and the flue gas outlet are respectively communicated with the flue gas channel. According to the heat preservation chute and the flue gas waste heat utilization system, the technical problem that in the prior art, heat preservation energy consumption of a chute is high is solved.
Owner:GUANGXI RUIYI ENVIRONMENTAL TECH CO LTD

Crude benzene hydrogenation exhaust gas incineration device with waste heat recycling function

The application discloses a crude benzene hydrogenation waste gas incineration device with waste heat recycling function, which comprises a furnace body, a support is fixedly installed outside the furnace body, a refractory brick layer is arranged on the inner wall of the furnace body, an installation pipe is communicated with one end of the furnace body, a discharge pipe is communicated with the bottom of the other end of the furnace body, a bend pipe is communicated with the end of the furnace body away from the installation pipe, an ash collecting metal mesh is movably installed in the bend pipe, a branch pipe is communicated with the top end of the bend pipe, and a threaded plate is fixedly installed in the branch pipe. The ceramic fiber felt is arranged, the first spray pipe and the second spray pipe spray the corresponding contents into the furnace body during operation, the ceramic fiber felt is used for heat insulation of the first spray pipe, the second spray pipe, the furnace body and the refractory brick layer, the temperature is reduced to be led out to the outside world, the influence on the first spray pipe and the second spray pipe is reduced, the overall structure effect is stabilized, and the device is convenient to use.
Owner:ANHUI ZHUOTAI CHEM TECH CO LTD

Anti-erosion blast furnace bottom structure

ActiveCN222499195Ureduce distortionreduce riskBlast furnace detailsInternal formsFire brickFirebrick layer
The utility model discloses an anti-erosion blast furnace bottom structure which is characterized in that the lower bottom wall of a bottom shell is fixedly connected with a second furnace bottom refractory brick layer, the upper surface of the second furnace bottom refractory brick layer is provided with a second furnace bottom carbon brick layer, and the upper surface of the second furnace bottom carbon brick layer is provided with a second furnace bottom ceramic layer; a first furnace bottom refractory brick layer is arranged on the upper surface of the second furnace bottom ceramic layer, a first furnace bottom carbon brick layer is arranged on the upper surface of the first furnace bottom refractory brick layer, and a first furnace bottom ceramic layer is arranged on the upper surface of the first furnace bottom carbon brick layer; a second furnace wall refractory brick layer is arranged on the side inner wall of the second furnace wall carbon brick layer, a second furnace wall refractory concrete layer is arranged on the side inner wall of the second furnace wall refractory brick layer, a first furnace wall carbon brick layer is arranged on the side inner wall of the second furnace wall refractory concrete layer, and a first furnace wall refractory brick layer is arranged on the side inner wall of the first furnace wall carbon brick layer; a first furnace wall refractory concrete layer is arranged on the side inner wall of the first furnace wall refractory brick layer, and long-term stable operation of the furnace is facilitated through the devices.
Owner:JINAN RUITAI FURNACE & KILN EQUIP INSTALLATION CO LTD

Lining structure of high-temperature rotary kiln

The utility model relates to the technical field of rotary kiln lining structures, in particular to a high-temperature rotary kiln lining structure which comprises a kiln body, a reinforcing layer arranged on the inner side of the kiln body, a heat preservation layer arranged on the inner side of the reinforcing layer, a heat insulation layer arranged on the inner side of the heat preservation layer, and a refractory brick layer arranged on the inner side of the heat insulation layer and composed of refractory brick bodies. A bending groove is formed in one side of the refractory brick body, a first limiting block and a second limiting block are arranged on the other side of the refractory brick body, a positioning groove is formed in the front side of the refractory brick body, a limiting protruding strip is arranged above the positioning groove, a limiting groove is formed in the rear side of the refractory brick body, and a positioning protruding block is arranged below the limiting groove. According to the utility model, the limiting blocks I of the adjacent refractory brick bodies are inserted into the bending grooves, and the adjacent refractory brick bodies are guided by the limiting blocks II until the limiting blocks I are propped against the inner sides of the bending grooves after passing through the turning parts of the bending grooves, so that the limiting of the refractory brick bodies is realized, and the flexibility during the assembly of the refractory brick is improved.
Owner:DEXING CITY YIFENG REGENERATION NONFERROUS METAL CO LTD

A method for building a fuming furnace

The present invention develops a method for building a fuming furnace. By setting the refractory brick layer as the bottom refractory brick layer and the top refractory brick layer, and laying the top refractory brick layer with snap-in refractory bricks, the tightness of the combination of refractory bricks can be effectively improved. When a water leakage accident occurs inside the fuming furnace or slag runs out through the furnace seam and needs to be condensed with water, the erosion of water on the refractory brick layer can be effectively reduced, which has a significant effect on improving the service life of the fuming furnace and can reach 4,500 to 5,000 furnaces.
Owner:JIANGXI COPPER LEAD & ZINC METAL CO LTD

Furnace bottom masonry structure of direct current submerged arc furnace and direct current submerged arc furnace

The utility model relates to the technical field of submerged arc furnaces, in particular to a furnace bottom masonry structure of a direct current submerged arc furnace and the direct current submerged arc furnace, the furnace bottom masonry structure comprises a plurality of refractory brick layers, and the refractory brick layers are sequentially built from bottom to top along the axial direction of a furnace body of the direct current submerged arc furnace; gaps between the adjacent refractory bricks in each refractory brick layer and gaps between the refractory bricks in the adjacent refractory brick layers are staggered mutually; the other refractory brick layers are sequentially built from bottom to top in the axial direction of the direct current submerged arc furnace and located in an area defined by the inner side wall of the furnace body of the direct current submerged arc furnace and the outer side wall of the graphite electrode, and the height of the upper surface of the graphite electrode is larger than that of the uppermost refractory brick layer. And molten liquid, close to the furnace bottom, in the direct-current submerged arc furnace is separated through the graphite electrode. Therefore, the reliability, the safety and the stability of the furnace bottom are improved.
Owner:NING XIA NING PING TAN SU YOU XIAN ZE REN GONG SI

Flue connecting structure of side-blown furnace and waste heat boiler

The invention discloses a flue connecting structure of a side-blown furnace and a waste heat boiler, a flue opening of the waste heat boiler is located above a flue opening of the side-blown furnace, a first flexible heat preservation material layer is arranged between the flue opening of the waste heat boiler and the flue opening of the side-blown furnace to serve as a first-stage sealing fire insulation structure, and the setting thickness of the first flexible heat preservation material layer is not smaller than 200 mm; a refractory brick layer is arranged on the outer side of the first flexible heat preservation material layer to serve as a second-stage sealing fire insulation structure, the refractory brick layer is arranged in the circumferential direction of the top of the flue opening of the side-blown boiler, the lower portion of the flue opening of the waste heat boiler is located in the space defined by the refractory brick layer, and the top of the refractory brick layer is at least 100 mm higher than the top of a lower collecting box of the waste heat boiler. And the refractory brick layer and the membrane wall at the top of the lower collecting box are sealed through a second flexible heat preservation material layer to form a third-stage sealing fire insulation structure. According to the flue connecting structure of the side blowing furnace and the waste heat boiler, the technical problem that in the prior art, a metal expansion joint is prone to damage, and consequently flue gas leaks is solved.
Owner:HUNAN RE TECH CO LTD

Connecting channel structure for double-chamber lime kiln

A connecting channel structure for a double-chamber lime kiln relates to the technical field of double-chamber lime kiln equipment, and comprises a U-shaped groove body and a sealing cover, the U-shaped groove body comprises a metal shell wrapping the outer side of the U-shaped groove body, and a clay refractory brick layer, a neutral refractory material pouring layer and a neutral refractory brick layer are sequentially arranged close to the metal shell. The sealing cover comprises metal wall bodies on the left side and the right side of the sealing cover, a clay refractory brick layer and a high-aluminum fiber cotton layer are sequentially arranged on the inner side of each metal wall body, and the left side and the right side of a refractory material pouring layer in the middle of the sealing cover are fixedly connected with the inner sides of the high-aluminum fiber cotton layers on the left side and the right side of the sealing cover. An anchoring part welded at the lower end of the I-shaped steel above the sealing cover extends into the refractory material pouring layer of the sealing cover; the lower ends of the left and right sides of the sealing cover are fixedly connected with the upper ends of the two U-shaped sides of the U-shaped groove body; fire pulling holes are formed in the middle of the upper end of the sealing cover; slag removal through holes are formed in the metal shell on the left and right sides of the U-shaped groove body; according to the utility model, the connecting channel of the double-chamber lime kiln is firmer, and the ventilation quantity is increased.
Owner:LUOYANG ZHONGJING SHUOFENG MINING CO LTD

Kiln shell with heat insulation structure

The kiln shell with the heat insulation structure comprises a shell body, a filling layer and a refractory brick layer, the shell body extends in the front-back direction, and a heating cavity which is through in the front-back direction is formed in the shell body; the filling layer is fixed to the inner surface of the heating cavity and comprises a filling assembly and refractory powder, the filling assembly is fixedly connected to the inner surface of the shell, a filling gap is formed between the filling assembly and the shell, and the refractory powder is arranged in the filling gap to fill the filling gap; the filling assembly is provided with a plugging structure used for sealing the filling gap, and the plugging structure is provided with a feeding port used for feeding. According to the kiln shell with the heat insulation structure, the filling layer is filled with the magnesia powder, so that the impact of materials on the shell in the using process is reduced, meanwhile, the magnesia powder has low heat conductivity, the heat insulation capacity of the heat insulation structure is improved, and the magnesia powder can be rapidly replaced after the fire resistance of the magnesia powder is reduced.
Owner:JIYUAN YUGUANG FURNACE TECHNOLOGY DEVELOPMENT CO LTD

A device and method for monitoring the corrosion rate of a refractory brick layer

ActiveCN113984635BMonitor thicknessMonitor temperature distributionWeather/light/corrosion resistanceData acquisitionEngineering
The present invention discloses a erosion rate monitoring device and a monitoring method for a refractory brick layer. The erosion rate monitoring device for a refractory brick layer includes a data acquisition module connected to a furnace body to be monitored, and also includes data processing modules I, II and III; both modules I and II are used to calculate the temperature T, flow velocity u and thickness Ξ΄ of the liquid slag layer; module III is a erosion rate calculation module, module I is used to obtain the data parameters required in module III by establishing a multiphase turbulent reaction flow database in the furnace body and using an interpolation algorithm; module I is connected to module III, and is used to transmit the calculated data parameters to module III; module II is used to establish energy conservation, mass conservation and momentum equations. The monitoring device of the present invention can realize continuous online monitoring of the erosion rate of the refractory brick layer.
Owner:EAST CHINA UNIV OF SCI & TECH

Multi-stage treatment layered dewatering and drying incinerator

The utility model discloses a multi-stage treatment layered dewatering and drying incinerator which comprises an incinerator body, the incinerator body comprises a refractory brick layer, and an air supply and outlet wall is formed in the middle of the incinerator body. The furnace body is sequentially provided with a heating rapid dehydration area, a high-temperature drying area, a bottom oxygen carbonization area and a high-temperature combustion area from top to bottom; first cavities are formed in the positions, corresponding to the high-temperature combustion area, of the furnace body and the air supply and outlet wall, the first cavities communicate with air supply pipelines, and a plurality of air supply holes communicating the first cavities with the interior of the furnace body are formed in the furnace body and the air supply and outlet wall. According to the utility model, the garbage is preheated and dehumidified, so that the garbage can be carbonized to form combustible gas in subsequent carbonization, and residual materials can be completely combusted in a high-temperature combustion area.
Owner:HUAIHUA QIXIAO ENERGY SAVING TECH

Energy-saving walking beam furnace

The invention provides an energy-saving walking type heating furnace, and relates to the technical field of walking type heating furnaces, a plurality of walking beams and a plurality of fixed beams are arranged in the energy-saving walking type heating furnace, the walking beams and the fixed beams are used for supporting heated blanks, the fixed beams are sequentially arranged at intervals, one walking beam is arranged between every two adjacent fixed beams, and the other walking beam is arranged between every two adjacent fixed beams. The walking beam comprises a supporting part, a first refractory brick layer and a first refractory fiber layer which are arranged in sequence, and the top of the supporting part can make direct contact with a blank. According to the energy-saving walking beam furnace, heat loss brought away by the walking beam furnace supporting beam can be effectively reduced.
Owner:MCC CAPITAL ENGINEERING & RESEARCH INC LTD +1

Totally-closed thermal insulation lime shaft kiln

The utility model discloses a totally-enclosed thermal insulation lime shaft kiln which comprises a lime shaft kiln body formed by a refractory brick layer lining, an air cap is arranged on the lower portion of the lime shaft kiln body, a discharging device is arranged at the bottom of the lime shaft kiln body, the lower portion of the air cap is connected with an air supply outlet of an air blower air supply pipeline, and the air blower air supply pipeline is connected with an air blower to achieve air supply. The lime shaft kiln is characterized in that the lime shaft kiln is wrapped by a steel plate shell formed by rolling a fully-closed thick steel plate, and a composite heat preservation material is filled between the steel plate shell and the refractory brick layer to form a heat preservation and insulation layer; an umbrella-shaped distributor is arranged on the upper portion of the lime shaft kiln, an annular air inducing mechanism is arranged on an opening in the upper portion of the umbrella-shaped distributor and connected with an induced draft fan through an induced draft fan air draft pipeline, and a plurality of air inducing holes are symmetrically formed in the bottom face of the annular air inducing mechanism along the center. The lime shaft kiln can achieve the effects of reducing heat energy loss, saving energy, and being efficient in production and scientific and environment-friendly in production.
Owner:PINGDING HENGYUE BUILDING MATERIALS CO LTD

Electrically conductive firebrick system

A thermal energy storage system includes a firebrick checkerwork and an electrode. The firebrick checkerwork includes one or more conductive firebrick layers, each including a plurality of electrically conductive doped metal oxide firebricks with one or more airflow vents. The electrode includes one or more electrode firebrick layers, each layer including a plurality of electrode firebricks. The firebrick checkerwork is heated due to application of electrical power to the electrode. Air flowing through the firebrick checkerwork may then be heated for use in heat-related applications (e.g., an industrial application, commercial application, residential application, transportation application, etc.) some of which may relate to electricity production or in other applications which may relate to other purposes that require heat that are unrelated to electricity production.
Owner:MASSACHUSETTS INST OF TECH

Moisture-proof structure

A moisture-proof structure comprises a first fire brick layer, a second fire brick layer, a third fire brick layer, a fourth fire brick layer, a fifth fire brick layer and a floor / ceramic tile layer arranged from bottom to top. The five fire brick layers are all laid by using stretcher bond, the fourth fire brick layer is laid by using a means of header bond, upper and lower layers of the first fire brick layer, the second fire brick layer, the third fire brick layer, the fourth fire brick layer and the fifth fire brick layer are bonded by using a cement slurry, a gap between fire bricks of the first fire brick layer is filled with lime powder and fire bricks of the fourth fire brick layer and the fifth fire brick layer are closely connected.
Owner:WANG JINGZHUO

Novel drying kiln hot-blast stove device

The utility model relates to a novel drying kiln hot-blast stove device, which belongs to the field of hot-blast stoves and comprises a hot-blast stove shell and an external air sleeve fixedly connected to the outer side of the hot-blast stove shell, and a strengthening component for strengthening the stability of the hot-blast stove shell is arranged on the inner side of the hot-blast stove shell. The refractory brick layer and the double-Y-shaped supporting piece are fixedly connected to the inner side of the hot blast stove shell, the surface of the refractory brick layer is coated with the castable, the V-shaped nail anchoring pieces are fixedly connected to the surface of the double-Y-shaped supporting piece, and a moving assembly used for carrying the hot blast stove is arranged at the bottom of the external air sleeve. According to the novel drying kiln hot-blast stove device, the double-Y-shaped supporting pieces are arranged on the inner side of the hot-blast stove shell, all-directional supporting from the bottom to the top is achieved, the structural stability of the hot-blast stove shell is effectively enhanced, potential influences of high temperature and pressure on the hot-blast stove shell can be resisted through the design, and the risks of deformation and damage of the shell are remarkably reduced; and the service life of the hot-blast stove is prolonged.
Owner:HANZHONG ZINC IND

Energy-saving blast furnace slag runner using phase-change material

The utility model relates to an energy-saving blast furnace slag runner utilizing a phase-change material. The slag runner is sequentially provided with a refractory brick layer, a phase-change material layer and a wear-resistant layer from outside to inside, wherein the refractory brick layer is designed to be of a hollow structure, a waste heat recovery water pipe is arranged in the refractory brick layer, and a water inlet and a water outlet of the waste heat recovery water pipe are located outside the slag discharging trough. The phase change material is utilized, the problem that refractory materials are prone to corrosion and abrasion is solved, meanwhile, heat can be absorbed, and energy waste is reduced.
Owner:BAOSHAN IRON & STEEL CO LTD

Refractory material masonry structure for zinc volatilization kiln

The utility model discloses a refractory material masonry structure for a zinc volatilization kiln, which belongs to the technical field of volatilization kilns and comprises a mounting layer and a refractory brick layer. The refractory brick layer is composed of a plurality of refractory bricks, first inserting grooves are formed in the two sides of each refractory brick, an inserting block is arranged between every two adjacent refractory bricks, and a positioning assembly is arranged on the mounting layer. The refractory bricks can be positioned through the positioning assemblies, deviation of the refractory bricks during masonry is avoided, the refractory bricks are connected in an inserted mode through the inserting blocks, the stability of the refractory bricks is improved, the refractory bricks are prevented from falling off, and the service life of the lining is prolonged.
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY

Slag grate for submerged arc furnace and preparation method of slag grate

The invention belongs to the technical field of submerged arc furnaces, and discloses a slag grate device for a submerged arc furnace and a preparation method thereof.The outer portion of a slag grate pool is provided with a cuboid steel shell with an opening in the upper portion, a refractory brick layer is laid in the shell, a slag grate pool body formed through casting is arranged on the refractory brick layer, and a molten iron inlet channel is formed in the upper end of an inner cavity of the slag grate pool body; a molten iron outlet channel is arranged at the lower end of the inner cavity of the slag grate tank body; the slag grate is manufactured through the steps of shell welding, anchoring part welding, refractory brick layer laying, formwork erecting, castable preparing, pouring, baking and the like. The castable is prepared from fused mullite, tabular corundum, andalusite, alumina micro powder, silicon carbide, aluminate cement, metal silicon powder, metal aluminum powder, boron carbide, a carbon source, 316L stainless steel fibers and the like. According to the invention, a composite slag grate pool and slag baffle structure is adopted, castable components are optimized, molten iron and slag separation channels are reasonably arranged, molten iron and slag are thoroughly separated, slag is not adhered to the slag baffle, and the service life of the slag grate is prolonged.
Owner:LUOYANG ZHUHE IND CO LTD

Fused salt storage tank of groove type photo-thermal power station

The utility model discloses a fused salt storage tank of a trough type photo-thermal power station, which is applied to the field of trough type photo-thermal power stations and is characterized in that a tank body is fixedly mounted at the top of a concrete base, a bonding layer is fixedly mounted on the right side of the tank body, and a thermal insulation layer is fixedly mounted on the right side of the bonding layer; an anti-crack protection layer is fixedly mounted on the right side of the heat preservation layer, a refractory brick layer is fixedly mounted on the right side of the anti-crack protection layer, an interlayer is fixedly mounted on the right side of the refractory brick layer, the heat preservation effect of the tank body is improved, and the use of the device is improved; an inner container is fixedly mounted on the right side of the interlayer, and epoxy primer is fixedly mounted on the right side of the inner container. A polyethylene coating is fixedly mounted on the right side of the epoxy primer, copolymer glue is fixedly mounted on the right side of the polyethylene coating, and a polymer composite anti-corrosion layer is fixedly mounted on the right side of the copolymer glue, so that the molten salt corrosion resistance of the storage tank is improved, and the service life of the tank body is prolonged.
Owner:BEIJING MINLI ENERGY STORAGE TECH CO LTD

Firing kiln for heavy reduction of red porcelain utensil raw ore

The firing kiln comprises a kiln body, a smoke outlet, an air inlet control part, a moving part and a kiln door, a refractory brick layer is arranged in the kiln body, a refractory brick layer is arranged on the inner side of the kiln door, the kiln door and the kiln body are hinged to form a closed firing space, the smoke outlet is formed in the top of the kiln body, and the moving part is arranged on the top of the kiln body. The gas inlet control part is communicated with the firing space and controls the gas flow into the firing space, and the moving part is connected with the inner side and the outer side of the kiln body. The firing temperature and the oxygen content are controlled through the air inlet control part, the yield of heavy reduction firing of the purple sand is further achieved, and the device has the beneficial effects that the yield is high, the quality is reliable, the device is suitable for large-scale industrial production, the reduction degree of raw ore purple sand is high, and the finished purple sand appliance is attractive.
Owner:δΈε–„εŽ

Automatic batten paving device for refractory brick stacking

The utility model relates to the technical field of refractory brick stacking, and discloses an automatic batten laying device for refractory brick stacking, which is used for placing batten bodies on the surface of a refractory brick layer and comprises a suction mechanism for transferring the positions of the batten bodies, a pushing mechanism for increasing the height of the batten bodies and a batten box for placing the batten bodies. The suction structure comprises a door-shaped frame, and a guide rail is installed on the door-shaped frame. According to the automatic batten laying device for stacking the refractory bricks, isolation battens are automatically laid in the stacking process of finished refractory bricks, the labor cost in the stacking process is reduced, potential safety hazards in manual batten laying operation are avoided, the device only needs to manually prepare battens offline and replace batten boxes online, and the labor intensity of workers is reduced. The main electric push rod, the auxiliary electric push rod, the main motor and the auxiliary motor are driven respectively, the refractory brick stacking process and the batten laying process can be automatically switched, and manual intervention in a production area is not needed.
Owner:ANHUI CONCH ZHONGNAN INTELLIGENT ROBOT CO LTD +2

Composite fire-resistant protection structure using refractory bricks

The composite fire-resistant protection structure comprises a fire-resistant brick layer and a kiln body outer skin, each fire-resistant brick comprises a fire-resistant brick body, at least two supporting beams arranged at intervals in the front-back direction are integrally arranged on the periphery of each fire-resistant brick body, and the periphery of each supporting beam is of an arc-shaped structure coaxially matched with the inner periphery of the kiln body outer skin. The periphery of the arc-shaped structure is in contact fit with the inner circumferential line of the kiln body outer skin, and a filling space is defined between every two adjacent supporting beams and between the refractory brick body and the kiln body outer skin and filled with a refractory material lining. The corresponding supporting beams of all the refractory bricks of the same refractory brick ring are connected end to end to form a supporting ring for supporting the inner circumference of the kiln body outer skin, and the same refractory brick ring is provided with at least two supporting rings which are arranged in a front-back spaced mode. The technical problem that in the prior art, due to the fact that the supporting force of a refractory material lining on the kiln body outer skin is insufficient, the kiln body outer skin collapses easily is solved.
Owner:ZHENGZHOU JIANXIN REFRACTORY CO LTD

A monitoring device and method for thickness and temperature of refractory brick layer

The present invention discloses a monitoring device and method for the thickness and temperature of a refractory brick layer. The monitoring device for the thickness of the refractory brick layer includes a measuring component connected to a furnace body to be monitored, and also includes a calculation module I, a calculation module II and a calculation module III; the furnace body to be monitored is a gasification furnace, which includes a liquid slag layer, a refractory brick layer and a metal wall from the inside to the outside, and the refractory brick layer includes a fire-facing brick layer, a backing brick layer and an insulating brick layer from the inside to the outside; the calculation module I is used to calculate the thickness of the liquid slag layer through the mass conservation equation of the liquid slag layer flow heat transfer process; the calculation module II is used to calculate the heat flux density passing through the metal wall; the calculation module III is used to obtain the thickness of the fire-facing brick layer, the backing brick layer and the insulating brick layer. The monitoring device and method provided by the present invention can accurately monitor the thickness of the refractory brick layer by analyzing the slag flow and heat transfer process.
Owner:EAST CHINA UNIV OF SCI & TECH

A detachable high temperature resistant movable platform above the iron mouth of a blast furnace

The utility model discloses a detachable high-temperature resistant movable platform above the iron mouth of a blast furnace, comprising a bottom high-temperature resistant layer and a top load-bearing layer, wherein two ends of the bottom high-temperature resistant layer are connected to a tuyere platform, and two ends of the top load-bearing layer are connected to a refractory brick layer on the tuyere platform; the upper part of the bottom high-temperature resistant layer is a water-cooled layer, in which a cooling water pipe is laid; the lower part of the bottom high-temperature resistant layer is a refractory material casting layer; the utility model designs the tuyere platform above the iron mouth into an upper and lower layer structure, wherein the upper layer is used as a load-bearing platform, and the lower layer is used as a high-temperature resistant platform, and when maintenance is needed, the load-bearing platform can be directly hoisted to perform maintenance on the high-temperature resistant platform, thereby reducing the difficulty of repair.
Owner:SHAANXI LONGMEN IRON & STEEL

Electrically conductive firebrick system

A thermal energy storage system includes a firebrick checkerwork and an electrode. The firebrick checkerwork includes one or more conductive firebrick layers, each including a plurality of electrically conductive doped metal oxide firebricks with one or more airflow vents. The electrode includes one or more electrode firebrick layers, each layer including a plurality of electrode firebricks. The firebrick checkerwork is heated due to application of electrical power to the electrode. Air flowing through the firebrick checkerwork may then be heated for use in heat-related applications (e.g., an industrial application, commercial application, residential application, transportation application, etc.) some of which may relate to electricity production or in other applications which may relate to other purposes that require heat that are unrelated to electricity production.
Owner:MASSACHUSETTS INST OF TECH