730 results about "Fire brick" patented technology

The invention discloses an annular furnace heat-resistant supporting forged chassis and an additive manufacturing process and a fixing device thereof, and belongs to the technical field of plating of metal materials, and the annular furnace heat-resistant supporting forged chassis comprises the steps that heat-resistant alloy steel base metal with specific components is prepared; carrying out laser texturing and nickel-based alloy bottom layer pretreatment on the surface of the steel plate; performing laser cladding on high-silicon high-temperature alloy powder containing niobium and rare earth elements to form a functional cladding layer, and performing gradient cladding on the edge of the atmosphere guide hole; and finally, carrying out heat treatment and assembling with a fan-shaped refractory brick fixing device. A composite oxide film and a multi-scale strengthening system are constructed, hydrogen resistance and brittleness resistance are effectively achieved, interface thermal stress is relieved, cracking and stripping of a cladding layer are avoided, a fixing device adapts to thermal expansion, the atmosphere is dredged, and the annealing uniformity of a steel coil is improved; the problems of creep deformation, hydrogen embrittlement, cladding layer stripping and thermal stress cracking of a traditional supporting component under the conditions of high temperature, heavy load and nitrogen and hydrogen atmosphere are solved.

The utility model discloses a blast furnace castable cooling wall, which relates to the technical field of blast furnace body cooling equipment and comprises a cooling wall base body, a cooling water pipe is arranged inside one side of the cooling wall base body, and a protective sleeve is sleeved on the side surface of the cooling water pipe extending out of the cooling wall base body; dovetail-shaped grooves are vertically formed in the side face of the other side of the cooling wall base body at intervals, anchoring parts are transversely arranged in the dovetail-shaped grooves at intervals, the anchoring parts in every two adjacent dovetail-shaped grooves are vertically arranged in a staggered mode, and a pouring layer is poured on one side of the dovetail-shaped grooves of the cooling wall base body; the blast furnace cooling wall has the beneficial effects that the part of the cooling water pipe pre-embedded in the cooling wall base body is protected by the protective sleeve, the casting technology of the blast furnace cooling wall hot surface after casting molding can adopt on-site integral casting construction, and the casting material is integrally cast on the hot surface of the cooling wall, so that the problems of falling and damage of refractory bricks, complex construction process and low construction cost in the past can be avoided. And the slag adhering capacity is high, the overall performance is good, and the device can adapt to large blast furnace body cooling working conditions.

The utility model discloses a durable refractory brick forming device which comprises a box body, a forming mechanism is installed at the bottom of the inner side of the box body, the forming mechanism comprises a reinforcing frame, a mold frame is installed on the inner side of the reinforcing frame, and the mold frame can be inserted into the inner side of the reinforcing frame in a sliding mode and can be fixed through bolts. The die frame is installed on the inner side of the reinforcing frame, certain protection and reinforcing effects can be achieved in the extrusion forming process of refractory bricks, the durability of the die frame is improved, meanwhile, due to the fact that the die frame can be detached from the reinforcing frame, the die frame can be conveniently and regularly cleaned and maintained, and the service life of the die frame is prolonged. And the mold frame is kept in a good use state, is not easy to damage and is more durable, so that the durability of the refractory brick forming equipment is improved.

The invention relates to the technical field of refractory bricks, and discloses a pressing device for refractory brick production, the pressing device comprises a rack, a mold assembly is mounted on the rack, the mold assembly comprises a mold body, the mold body is provided with a vertically through cavity, a cover mold is arranged in the cavity, and a top plate is arranged in the cover mold; the die assembly further comprises a power part which is used for driving the cover die and the top plate to vertically move. A feeding assembly is installed above the mold assembly. The cover die is arranged in the cavity, and the cover die is upwards inserted into the hopper to take materials, so that during insertion, the raw materials can directly and vertically enter the cover die, even if a fillet in a small area protrudes, the raw materials can be normally filled, and the problem of insufficient blanking in the area is avoided; and the compactness after pressing and the quality of the fired refractory brick are ensured.

The invention relates to the technical field of refractory brick production, and discloses a high-strength refractory brick for a garbage incinerator and a preparation method thereof.The high-strength refractory brick is prepared from, by mass, 32-45 parts of fly ash, 18-30 parts of kieselguhr, 6-10 parts of modified aluminum silicate fibers, 20-30 parts of nano zirconium silicate loaded crystalline flake graphite powder, 7-10 parts of metal oxide and 1-3 parts of auxiliary materials. Fly ash and diatomite are used as raw materials, modified aluminum silicate fiber, nano zirconium silicate loaded crystalline flake graphite powder, metal oxide and auxiliary materials are compounded, the prepared refractory brick has high mechanical strength, fire resistance and oxidation resistance, the product quality of the refractory brick is improved, the refractory brick is prevented from cracking in the waste incineration process, and the service life of the refractory brick is prolonged.

The invention relates to the technical field of converter safety monitoring, in particular to a method for predicting the thickness of refractory bricks based on converter wall temperature. The temperature distribution and the residual thickness of the refractory bricks are estimated according to the external furnace body temperature and the melt smelting temperature, and then the overhaul of the converter is judged according to the temperature distribution and the residual thickness of the refractory bricks, so that the real-time safety monitoring in the operation process of the converter is realized. The problem of how to monitor the operation risk of the converter is solved.

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.

The application relates to the field of fireproof bricks, and discloses a baking-free fireproof brick and a preparation method thereof. The baking-free fireproof brick comprises iron tailings, cement, fly ash, a functional additive, fine aggregate, quartz sand, a chromium aluminum phosphate binder, a water reducing agent and water. The functional additive is prepared by using aluminum chloride hexahydrate and alkaline silica sol as raw materials, ammonium molybdate tetrahydrate as a catalyst, growing mullite whiskers on the surface of silicon carbide fibers through vacuum impregnation and heat treatment, modifying the prepared composite silicon carbide fibers through 3-(methacryloxy) propyl trimethoxysilane, and then copolymerizing the modified composite silicon carbide fibers with acrylic acid and 4-hydroxybutyl vinyl ether. The chromium aluminum phosphate binder is prepared by using aluminum hydroxide, phosphoric acid and chromium trioxide as raw materials and calcium hydroxide as a curing agent. The baking-free fireproof brick prepared through the synergistic effect of the components has high compressive strength and bending strength, small water absorption and good baking-free fireproof and heat insulation performance.

A refractory brick firing waste gas discharging device comprises a ventilation box body, a rotating support, a filter screen, a sealing plate, a driving motor, a gas inlet pipe, a gas discharging pipe and a gas flow impact pipe. Waste gas and smoke are sucked through the gas inlet pipe, enter the filter cavity, are filtered through the filter screen and then are discharged, the filter screen in the filter cavity can be blocked after operation for a period of time, the central batten is driven by the driving motor to rotate, and the first arc-shaped plate and the second arc-shaped plate are driven to rotate; in this way, the filter screen originally located in the filter cavity enters the residue discharging cavity, the filter screen originally located in the residue discharging cavity enters the filter cavity, then airflow is input through the airflow impact pipe, filter residues blocked on the filter screen in the residue discharging cavity are impacted and discharged through impact of the airflow, the filter residues enter the residue collecting cavity to be accumulated and then discharged, and the operation is repeated. Manual replacement is not needed, automatic replacement filtering and filter screen cleaning can be achieved, and the structural design is ingenious.

The utility model relates to the technical field of refractory bricks, in particular to a refractory brick with a splicing structure, which comprises a refractory brick main body, an upper splicing piece is integrally arranged above the refractory brick main body, a lower splicing piece is integrally arranged below the refractory brick main body, and the upper splicing piece and the lower splicing piece are arranged in a staggered manner. The upper splicing pieces and the lower splicing pieces are of an engaged matching structure, clamping grooves are formed between the upper splicing pieces and the lower splicing pieces correspondingly, clamping pieces are clamped between the clamping grooves in the same layer, and heat dissipation grooves are formed in the front face and the rear face of the refractory brick body correspondingly. According to the refractory brick with the splicing structure, the splicing pieces clamped with each other are arranged above and below the refractory brick, meanwhile, the refractory brick is spliced in a staggered mode, integrity is higher, the splicing pieces are stable in structure and not prone to damage, and splicing stability is ensured. According to the refractory brick with the splicing structure, the penetrating clamping pieces are arranged between the splicing pieces, the clamping pieces are of a steel bar structure, and the structural strength of refractory brick splicing can be enhanced.

The invention discloses a mounting method of an engineering blackbody element in an industrial heating furnace, which comprises the following steps: three positioning holes are symmetrically formed in an element mounting surface in a triangular shape, a semicircular diversion trench is formed between every two adjacent positioning holes, and the mounting surface is subjected to sand blasting treatment; manufacturing a positioning gasket according to the curvature of the inner wall of the hearth, wherein the positioning gasket is arranged between the element mounting surface and the inner wall of the hearth; coating or spraying a high-temperature-resistant permeation type adhesive on the element mounting surface and the inner wall of the hearth, adhering the element to the inner wall of the hearth, and screwing the element on the inner wall of the hearth by adopting a screw through a positioning hole and a positioning gasket; high-temperature-resistant fastening screws are evenly distributed on the periphery of the element and vertically screwed into refractory bricks or concrete base materials on the inner wall of a hearth to lock the position of the element. According to the method, the defects of traditional engineering black body element installation are overcome, high-strength, long-acting and stable connection between the engineering black body element and the inner wall of the hearth is achieved, the problem that the element is prone to displacement and falling off under the high-temperature working condition is effectively solved, and the continuous effectiveness of kiln energy-saving transformation is guaranteed.

The utility model discloses a raw material crushing device for refractory brick production. The raw material crushing device comprises a rack, moving wheels, a crushing box body, a first crushing roller, a second crushing roller, a driving assembly and a screening mechanism, according to the raw material crushing device for refractory brick production, the driving assembly drives the first crushing roller and the second crushing roller to crush raw materials, the crushed materials are rapidly screened through the screening mechanism, and the situation that the yield of finished bricks is increased due to the fact that the particle sizes of the materials are different is avoided.

The invention relates to the technical field of refractory brick processing, and discloses a dust-free raw material mixing device and process for converter tapping hole refractory brick processing, the dust-free raw material mixing device for converter tapping hole refractory brick processing comprises a material mixing cylinder, a stirring mechanism is arranged in the material mixing cylinder, and the stirring mechanism comprises an inner rotating cylinder, an outer rotating cylinder and a mounting ring; a driving mechanism is arranged at the top of the mixing barrel and comprises a driving motor, a pressure sensor, a driving gear, a rotating disc and a connecting ring, and a rotating column is fixedly mounted on an output shaft of the driving motor. The device is reasonable in design, the stirring resistance is monitored in real time through the pressure sensor, mechanical impact force is effectively converted and instantaneous overload is avoided by combining a pre-pressing buffer structure for connecting the spring and the damper, the motor is protected against damage through the design, the rotating speed in the mixing barrel can be kept stable, and the service life of the mixing barrel is prolonged. The continuous and uniform mixing of the high-alumina bauxite and the corundum powder under the variable-load working condition is ensured, and the durability of equipment and the production continuity are remarkably improved.

The utility model provides a refractory brick inclined hole drilling device which comprises a base, a supporting plate is arranged on the base in a rotating fit mode, a connecting rod is arranged between the supporting plate and the base, the two ends of the connecting rod are connected with the supporting plate and the base in a sliding mode respectively, positioning structures are arranged at the two ends of the connecting rod, and a sliding frame is arranged on the supporting plate in a sliding fit mode. Two clamping plates are arranged in the sliding frame in a sliding fit mode, baffles are fixed to the ends of the clamping plates and correspond to the sliding frame, and a drilling structure is arranged on the base. According to the inclined hole drilling device, the supporting plate is rotationally installed on the base, refractory bricks can be driven to incline through the supporting plate, and therefore inclined hole drilling is convenient, the connecting rod is installed between the supporting plate and the base, a good supporting effect can be achieved through the connecting rod, the clamping plate is installed in the sliding frame, and the baffle is installed at the end of the clamping plate. And refractory bricks can be clamped and fixed, and the refractory bricks are prevented from shaking in the drilling process.

The invention discloses a magnesia-carbon-based refractory brick and a preparation method thereof, relates to the technical field of display optical films, and belongs to the technical field of surface modification of refractory materials. A sacrificial reaction layer and a transition bonding layer are prepared on the surface of the magnesia carbon brick through pretreatment of a base brick, preparation of coating slurry, gradient coating, curing and heat treatment; wherein the sacrificial reaction layer can realize high-temperature instant cooling through a controllable endothermic reaction, and meanwhile, a reaction product forms a compact protective layer to block slag permeation; the preparation process is simple and controllable, the prepared coating is firmly combined with the magnesia carbon brick body, the high-temperature oxidation resistance and the slag penetration resistance of the magnesia carbon brick can be remarkably improved, the service life of the magnesia carbon brick can be remarkably prolonged, and the magnesia carbon brick has the advantages of low cost and high practicability. The method is suitable for magnesia carbon brick protection under severe working conditions of high-temperature metallurgical furnaces and kilns and the like.

The invention belongs to the technical field of electric smelting refractory brick manufacturing, and discloses an electric smelting refractory brick annealing waste heat recycling system which comprises a heat absorption pipe of an annealing furnace, a heat dissipation coil pipe, a storage cabinet, an oil pump and a heat absorption pipe which are sequentially connected through a pipeline and used for forming a circulating oil way. The heat dissipation coil pipe is arranged in a heat storage oil tank filled with heat conduction oil, and an oil inlet connector and an oil outlet connector of the heat dissipation coil pipe respectively extend out of the heat storage oil tank; a first control valve is arranged on a pipeline between the outlet end of the heat absorption pipe and the oil inlet connector. According to the invention, heat slowly released during annealing of the electrically-fused refractory bricks is utilized to heat the sand molds stored in a centralized manner through the high-temperature heat-conducting oil pipeline, so that the heat energy waste is reduced, and the cost is reduced; and through the heat storage oil tank, the heat buffering effect is achieved, the stability of heat energy exchange of the system is guaranteed, and waste heat recycling in the whole annealing period is achieved.

The present application relates to a kind of raw material storage device for refractory brick production, including storage bucket, the inside of the storage bucket is provided with barrel cavity, the bottom front end of the storage bucket is equipped with outlet, the top end wall of the storage bucket is provided with opening, the inner side of the opening is equipped with tight plug cover, the middle end wall of the storage bucket is provided with gap, the end side of the gap is equipped with rotating disc, the front end wall of the rotating disc is provided with screw.The beneficial effects of the present application are: the raw material storage device for refractory brick production is movable through slide rail, sliding groove and slide, used for sliding displacement slide rail, changes the position of recessed plate, recessed plate side shift, will drive the storage vessel placed on the top of recessed plate to displace, so that it is more flexible and convenient to use, the sleeve is made of rubber material, used for sleeving on the outside of sub-tank, since sub-tank can rotate and displace, the sleeve is used to protect sub-tank during rotation and displacement, to prevent sub-tank from being damaged by knocking.

The utility model discloses a refractory brick turnover device which comprises a bottom plate and a face plate, a clamping assembly is arranged above the face plate, the clamping assembly comprises a clamping plate, the inner wall of the clamping plate is connected with a friction pad through a bolt, one end of the clamping plate is connected with a rotating disc through a bolt, a first hole groove is formed in the circumferential outer wall of the clamping plate, and a second hole groove is formed in the circumferential outer wall of the clamping plate. A first hole groove is formed in the bottom plate, a first fixed rod is arranged on the inner wall of the first hole groove, a first movable rod is arranged in the first fixed rod, a first spring is arranged on the circumferential outer wall of the first movable rod, an observation assembly is arranged above the bottom plate and comprises an observation instrument, and a moving block is connected to the bottom of the observation instrument through a bolt. According to the refractory brick turnover device, through the clamping assembly, adjustment of the clamping distance of refractory bricks can be well achieved, and then through the observation assembly, a worker can conveniently observe the state of a brick body through an observation instrument.

The invention relates to the technical field of carbon anode roasting furnaces, and provides an anode roasting furnace cross wall building method which comprises the steps that a cross wall deformation area is measured, and a cross wall is judged to be a deformed cross wall according to a comparison result between measured data and a preset deformation threshold value; the damage degree of the flame path wall in the adjacent direction of the deformed cross wall and the cross walls on the two sides is checked, and the deformed cross wall is dismantled layer by layer under the condition that preset requirements are met; the method comprises the following steps: cleaning broken bricks and aluminum silicate fiber scraps at the bottom of a furnace, inlaying and repairing a damaged base surface of the bottom of the furnace, smearing high-temperature cement gum with the thickness of 2mm-4mm on the base surface, laying refractory bricks with preset specifications on the base surface, laying aluminum silicate fiber blankets with the thickness of 20mm on two sides of each layer of refractory bricks, and detecting the perpendicularity of a newly-built cross wall when the building height reaches 1m; continuously constructing until a constructed target transverse wall is formed; and the wall surface flatness of the target cross wall is detected, and ultrasonic flaw detection is conducted on the target cross wall. According to the method, the transverse wall repairing quality and the furnace body stability are improved.

The application discloses a raw material batching device for high-strength light-weight firebrick production and a preparation method thereof, relates to the field of firebrick production, and comprises a water platform surface, an inclined platform surface and a ring-shaped frame. The inclined platform surface is connected to the side of the water platform surface, the high point of the inclined platform surface is flush with the water platform surface, two driving shafts are rotatably connected to the water platform surface, and driving columns are fixedly connected to the two ends of the driving shafts. The ring-shaped frame comprises two equal-diameter rings, the two rings are placed on the two driving columns, a power assembly for driving at least one driving shaft to rotate is arranged on the top of the water platform surface, and a batching box is fixedly connected between the two ring-shaped frames. The rotation of the ring-shaped frame can be realized through the driving of the motor, the whole batching box is driven to rotate, and meanwhile, the mixing performance of the raw materials in the movement process is further improved through the arrangement of the stirring blades and the elastic diaphragm, so that the produced firebricks are uniform in texture and low in defective product rate.

The invention discloses a copper smelting anode furnace burner block and a manufacturing method thereof, and belongs to the technical field of metallurgical kiln refractory materials. The copper smelting anode furnace burner block is prepared from the following raw materials in percentage by mass: 85 to 89 percent of Al2O3, 6 to 10 percent of ZrO2, 4 to 5 percent of Cr2O3 and 0.5 to 1 percent of SiO2. Compared with a common shaped refractory brick serving as the anode furnace burner brick, the novel castable is adopted for pouring the burner brick, integral forming is achieved, the burner brick has high physical and chemical properties and high compression resistance and shock resistance, corrosion resistance and erosion resistance are achieved, the service life is greatly prolonged, the repairing frequency of the burner brick is reduced, and the service life of the anode furnace is prolonged. And the use cost is reduced by more than 50%.

The method comprises the following steps that S1, dry materials and a binding agent are provided, and the dry materials comprise 19 wt%-24 wt% of intaglio corundum with the particle size being 3-5 mm, 22 wt%-35 wt% of intaglio corundum with the particle size being 1-3 mm, 12 wt%-19 wt% of white corundum with the particle size being 0-1 mm, 18 wt%-24 wt% of white corundum fine powder with the particle size being smaller than 200 meshes and 2 wt%-4 wt% of composite metal powder; s2, the dry material and a binding agent are mixed and ground, and a mixed and ground material is obtained; and S3, molding and drying the mixed and ground material to obtain the fire-resistant heat-insulating brick. The refractory brick produced by adopting the inked corundum and the white corundum as main raw materials, adding the composite metal powder and adding the additional binding agent has the advantages of high strength, good thermal shock resistance, good permeability resistance, good erosion resistance and long service life, and can be widely applied to rotary kilns, cement kilns and other parts.

The present invention discloses a method for parameterized evaluation of ladle refractory brick erosion and ladle safety monitoring based on a fitting regression model. The method uses the historical offline ladle age of a certain type of steel furnace and metallurgical process parameters to form a fitting regression model. The variance analysis method is used to find the significant factors affecting the erosion of the ladle refractory bricks, and the erosion ability of each smelting process parameter on the ladle refractory bricks is digitized; the fitting regression model response is optimized relative to historical data to find the maximum allowable ladle age. The smelting target parameters set by the process are substituted into the fitting regression model, and the 95% confidence interval and 95% prediction interval of the calculated value are output; the actual smelting process parameters of each furnace are brought into the fitting regression model, and the calculated value is obtained and compared with the 95% prediction interval. If it is lower than the 95% prediction interval, the system will issue an alarm for abnormal erosion of the ladle bricks. The present invention can estimate the reasonable service life of refractory bricks, alarm for abnormal ladle smelting processes, and reduce operational risks.

The utility model relates to the technical field of use of annealing furnaces, in particular to a workpiece supporting structure in an annealing furnace, which is used for supporting a workpiece main body to avoid damage to the surface flatness and integrity of the workpiece, so that the safety and the high efficiency in the production process are improved, favorable conditions are created for stable operation of a production line, and the production efficiency is improved. The refractory brick structure of the supporting assembly can provide strong supporting performance in a high-temperature environment, stability of a workpiece in the annealing process is ensured, workpiece deformation or damage caused by insufficient supporting in the heat treatment process is avoided, meanwhile, the refractory bricks have high temperature resistance and oxidation resistance, and the service life of the refractory bricks is prolonged. The service life of the supporting structure is prolonged, and the stability of the internal environment of the annealing furnace is ensured while the production efficiency is improved.

The utility model relates to the technical field of refractory bricks, in particular to an efficient refractory brick pressing and forming device which comprises a shell, a forming mechanism is arranged in the shell, a feeding mechanism is installed on one side of the shell, round holes are formed in the surface of the shell, and a material conveying mechanism is arranged on the surface of the feeding mechanism. According to the efficient compression molding device for the refractory bricks, by arranging the material conveying mechanism, a feeding hopper, a material conveying barrel, a second motor, a second rotating shaft, a spiral blade and a material conveying pipe, raw materials can be conveniently added into the material storage box, and by arranging the feeding mechanism, a first motor, a first rotating shaft and a stirring paddle, the raw materials can be conveniently fed into the material storage box; the raw materials in the material storage box can be stirred, so that the raw materials are uniformly mixed, a third air cylinder, a hose and a round hole are arranged, the raw materials are conveniently added into the forming groove, manual adding is not needed, the working efficiency of the device is improved, and the safety of the device is improved.

The utility model relates to a die, in particular to a refractory brick die, which is characterized in that a green brick pouring mechanism is arranged above a truss; the green brick pouring mechanism comprises a longitudinal plate, the longitudinal plate is arranged above the truss, and the longitudinal plate can slide and turn over above the truss so as to pour out green bricks; a green brick pressing mechanism is further arranged above the truss, the green brick pressing mechanism comprises a pressing plate, and the pressing plate moves up and down above the truss so as to compact green bricks. By arranging the vibration motor system, green bricks in the mold can be shaken up and down to be uniformly mixed, the defect of manual mixing in the background technology is overcome, and the labor intensity is reduced; and meanwhile, a mutually matched mechanism for firstly pressing the green bricks and then dumping the green bricks is further arranged, the green bricks are firstly mixed through a vibration motor system, then compacted through a pressing plate and finally dumped by driving a mold to turn over through a longitudinal plate, a continuous production line can be formed, and the manufacturing efficiency of the refractory bricks is improved to a certain extent.

The invention discloses a method for transforming a reaction tower top of a flash furnace, which is characterized in that the tower top is upgraded from a refractory brick to a full water cooling structure by systematically dismantling an old structure, accurately installing an annular water jacket and sequentially hanging flat water jackets. The method optimizes a cooling system, improves heat dissipation efficiency, enhances thermal shock resistance and slag adhering stability, significantly prolongs the service life of the tower top, and reduces the risk of brick falling at high temperature; the installation precision and the structural rigidity are synchronously improved, the operation safety and the production continuity of the flash furnace are effectively improved, the overhaul frequency and the maintenance cost are reduced, the method is suitable for technical transformation under the high-load smelting working condition, and efficient and stable operation of a smelting system is guaranteed.

The utility model relates to the technical field of ring-type roasting furnaces, and discloses a ring-type roasting furnace for producing high-aluminum insulating refractory bricks, which comprises a ring-type roasting furnace, a feeding channel is fixedly mounted on the upper surface of the ring-type roasting furnace, an arc-shaped mounting groove and a fixing component are arranged on the upper surface of the feeding channel, and the fixing component is arranged on the ring-type roasting furnace. The fixing assembly comprises two fixing plates, the two fixing plates are fixedly connected to the front surface and the rear surface of the feeding channel correspondingly, multi-section air cylinders are fixedly mounted on the upper surfaces of the two fixing plates correspondingly, the telescopic ends of the two multi-section air cylinders are fixedly connected with a lifting plate, and two mounting plates are fixedly connected to the lower surface of the lifting plate. A circular plate is fixedly connected to the lower surfaces of the two mounting plates, a worker can conveniently and rapidly open the circular cover by arranging the fixing assembly, then the convenience of opening the circular cover is improved, and the practicability of the ring type roasting furnace for high-aluminum heat-insulating refractory brick production is improved.

The utility model discloses an isostatic pressing press for refractory brick production, which comprises a supporting table, a brick die is arranged on the upper surface of the supporting table, a supporting mechanism is arranged in the supporting table and is positioned in the brick die, a plurality of supporting columns are fixedly connected to the upper surface of the supporting table, and the supporting columns are fixedly connected to the lower surface of the supporting table. The supporting column is sleeved with a lifting plate, and the lower surface of the lifting plate is fixedly connected with an insertion rod. According to the brick mold storage device, the brick mold can be unlocked to be supported when no raw materials are contained in the mold, so that the brick mold can move downwards along with starting of a static press to be stored, abrasion of the brick mold is avoided, and the effect of prolonging the service life is achieved. When materials are placed in the mold, the materials press the bearing plate downwards, so that the two contact blocks below the bearing plate move outwards under the action of the first inclined plane and the second inclined plane to be in contact with the brick mold.

The application relates to the technical field of fireproof bricks, and discloses a pressing equipment for fireproof brick production, which comprises a rack, a die assembly is installed on the rack, the die assembly comprises a die body, the die body is provided with a cavity which penetrates the die body from top to bottom, a sleeve die is arranged in the cavity, a top plate is arranged in the sleeve die, the die assembly further comprises a power component, the power component is used for driving the sleeve die and the top plate to move vertically respectively, and a feeding assembly is installed above the die assembly. The sleeve die is arranged in the cavity, the sleeve die is used to insert into the inside of the hopper in a mode of taking materials, raw materials can directly enter the inside of the sleeve die vertically when the sleeve die is inserted, even if a small area of the round corner is protruded, the area can also be normally filled with the raw materials, the problem of insufficient material falling in the area is avoided, the compactness after pressing and the quality of the fired fireproof brick are ensured.