26 results about "Fire clay" patented technology

The utility model relates to a steel ladle upper nozzle brick which comprises a nozzle brick upper section and a nozzle brick lower section, the lower end face of the nozzle brick upper section is connected with the upper end face of the nozzle brick lower section through a fire clay connecting layer, an upper cast hole channel is arranged in the nozzle brick upper section, a lower cast hole channel is arranged in the nozzle brick lower section, and the nozzle brick upper section is integrally sleeved in a seat brick. The upper portion of the nozzle brick lower section is sleeved with the seat brick, the lower portion of the nozzle brick lower section is sleeved with the mechanism base, a mounting plate is sleeved between the mechanism base and the seat brick, and joint filling fire clay layers are arranged between the outer side faces of the nozzle brick upper section and the nozzle brick lower section and the seat brick. The nozzle brick upper section and the nozzle brick lower section are combined and butted to form the nozzle brick single body, so that the volume and the dead weight of the upper nozzle brick single body are reduced, the manufacturing quality of the brick body and the transfer convenience after production and forming are improved, and the upper section or the lower section of the upper nozzle brick can be independently replaced according to the erosion condition after a certain furnace number is achieved. The utilization rate and the service life of the upper nozzle brick are improved, and the effects of reducing cost and improving efficiency are achieved.

This invention discloses a neutral refractory material for medium-frequency induction furnace linings. The raw materials include: 78-83 parts by weight of quartz sand, 5-7 parts by weight of fire clay, 5-7 parts by weight of fluorite, 0.8-1.2 parts by weight of alumina, 1.2-1.8 parts by weight of silicon carbide, and 0.3-0.7 parts by weight of calcium oxide. The preparation method is also disclosed. The method of this invention is simple, with the main components being quartz sand, fire clay, and fluorite, with quartz sand comprising the largest proportion. In addition, some additives such as alumina, silicon carbide, and calcium oxide are added to improve the refractory properties and chemical reactivity of the furnace charge. This results in a material with certain slag resistance and a good service life, exhibiting good overall performance and suitable for melting various metals. The furnace lining mixture is non-toxic, harmless, environmentally friendly, and pollution-free.

The application provides a new method for improving side combustion chamber horizontal row curve, relates to the technical field of coke oven thermal regulation, and is mainly applied to the current large coke oven. With the prolongation of service time, the existence of factors such as the absence of fire clay between the masonry structure of the coke oven, the damage of the masonry, acid and alkali corrosion and the like, the internal leakage phenomenon of the coke oven occurs. Through the optimization and improvement of the equipment, the vertical flue corresponding to the side waste gas on-off valve control of the side combustion chamber is heated by coke oven gas instead of blast furnace gas. The side combustion chamber horizontal row curve in actual operation can be optimized from the'steamed bun type' to the 'oblique line type', and the uniform and stable maturation of the coke in the horizontal direction is ensured.

The utility model discloses a stirring device for fire clay production, including bottom plate, still include: the cover, box, handle, discharge hopper, moving wheel, support frame, overturning subassembly, stirring subassembly, the upside fixed connection of bottom plate support frame, the stirring subassembly of mixing of stirring of fire clay raw material is connected to the box, the utility model discloses open the cover, pour the fire clay raw material and additive of proper amount needing stirring into the box, and close the cover, through stirring subassembly, make the material in the spiral blade axle to the box and mix and stir, make the additive evenly dispersed in the fire clay raw material, to ensure that its performance fully plays, make each component in the fire clay raw material can better combine, when the fire clay is stirred evenly, open the cover, through overturning subassembly, make the box dump, make the fire clay in the box and discharge through the discharge hopper, and the spiral blade axle can also assist the discharge, make the fire clay in the box and discharge smoothly.

This invention provides a method for stabilizing beryllium in lepidolite leaching residue, belonging to the field of lepidolite residue treatment technology. The method comprises the following steps: mixing lepidolite leaching residue with clay powder in a specific ratio, adding water, and pressing the mixture into bricks; firing the bricks in a muffle furnace; and then crushing, grinding, and testing the leaching toxicity of the fired clay bricks. This invention directly uses lepidolite leaching residue as raw material to prepare waste residue that can be safely discharged. It has low production costs, not only achieving resource recycling but also effectively stabilizing the excessive beryllium leaching toxicity in the residue. Furthermore, the resulting clay bricks can possess other excellent properties, meeting industry standards for waste residue discharge.

1. The name of the design product: packaging box (fire clay moxa moxibustion paste). 2. The use of the design product: for product packaging box. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: front view.

The utility model belongs to the technical field of continuous casting of ferrous metallurgy, and discloses a nozzle for continuous casting. The nozzle for continuous casting comprises a steel shell, an outer-layer fire-resistant body, inner-layer fire clay and an inner-layer fire-resistant body which are sequentially arranged from outside to inside, the outer-layer fire-resistant body is fixedly connected to the inner side of the steel shell, the outer-layer fire-resistant body and the inner-layer fire-resistant body are bonded and fixed through the inner-layer fire clay, and a steel pouring channel is formed in the inner-layer fire-resistant body. According to the nozzle for continuous casting, when the inner-layer refractory body cracks and loses efficacy, the inner-layer refractory body can be replaced, so that the service life of the nozzle for continuous casting is prolonged, consumption of refractory materials can be reduced by only replacing the inner-layer refractory body, emission of solid waste is reduced, and the requirement for a high-cost steel shell is lowered; and the product cost is greatly reduced.

The application relates to the technical field of refractory materials, and discloses a kind of intermediate ladle heat preservation refractory materials, including the following weight parts component raw materials: alumina hollow ball 5~40 parts, hollow ceramic 5~40 parts, waste clay brick 5~30 parts, coke spar powder 10~20 parts, refractory clay 1~5 parts, andalusite powder 5~20 parts, refractory cement 5~20 parts, water reducing agent 0.1~0.5 parts, melamine 0.1~0.5 parts, alum 0.5~1 part, benzamide oxime 0.2~0.3 parts.Through the above technical scheme, the problem of insufficient strength of the intermediate ladle heat preservation refractory material in the related art is solved.

The utility model discloses a kind of ground wire through floor waterproof metal protection pipe, it is related to building electromechanical lightning protection and grounding technical field, including bottom plate, fixed hole, fixed iron nail, ground wire through square hole, metal protection pipe, waterproof ring wing, bolt hole, bolt, jumper yellow-green bicolour line and ground wire;Fixed hole is set in bottom plate edge;Ground wire through square hole is set on bottom plate, and penetrates bottom plate;Metal protection pipe is welded on bottom plate, and welded waterproof ring wing, bolt hole and bolt are equipped on metal protection pipe upper portion;Ground wire passes through metal protection pipe by ground wire through square hole, and inlay fills fire clay, bolt hole and bolt are equipped on ground wire;Jumper yellow-green bicolour line is effectively fixed on metal protection pipe and ground wire by bolt hole and bolt, forms through guide.The utility model can effectively solve that ground wire is easily damaged or dropped by accidental impact, and the periphery of protection pipe is easily leaked, fireproof plugging is not strict, and the problems such as pre-buried positioning are not accurate.

The utility model discloses a fireproof high-temperature-resistant aluminum alloy cable, which belongs to the technical field of cables and comprises a plurality of cable core structures, a filling layer arranged outside the plurality of cable core structures, a lining layer arranged outside the filling layer, a waterproof layer arranged outside the lining layer and a fireproof mud layer arranged outside the waterproof layer. A buffer layer is arranged outside the fireproof mud layer, a ceramic silicone rubber layer is arranged outside the buffer layer, and a sheath layer is arranged outside the ceramic silicone rubber layer. According to the fireproof high-temperature-resistant aluminum alloy cable, the waterproof layer can prevent moisture generated after the fireproof mud layer is heated from permeating to the cable core structure, and meanwhile, the buffer layer can deform when the fireproof mud layer expands, so that the structural integrity of the porcelainized silicone rubber layer is ensured, and the fireproof performance of the cable is ensured.

The utility model relates to the technical field of power distribution boxes, in particular to a power distribution box bottom hole sealing mechanism which comprises a power distribution box, a base, a first flexible gasket, a second flexible gasket and fireproof mud, the base is installed at the lower end of the power distribution box, and the first flexible gasket is arranged on the inner side of the base and located between the power distribution box and the base; a first bottom hole is formed in the bottom of the distribution box, a second bottom hole is formed in the bottom of the base, and fireproof mud is arranged on the inner side of the first bottom hole and the inner side of the second bottom hole. The sealing mechanism has a structure for effectively sealing the bottom hole of the power distribution box by using the flexible gasket and the fireproof mud together, so that the stability of the electric wire can be enhanced, moisture and dust can be effectively prevented from entering the interior of the power distribution box, normal operation of equipment in the power distribution box is ensured, and the service life of the power distribution box is prolonged. And the service life of the distribution box and equipment in the distribution box can be effectively prolonged.

The application discloses a three-way joint structure of an updraft gas pipeline of a COREX melting gasifier and belongs to the technical field of metallurgical refractory materials. The three-way joint structure comprises a first pipeline section, a second pipeline section and a third pipeline section. The first pipeline section is located at the top of the updraft gas pipeline and adopts a vaulted structure. The second pipeline section is located around the updraft gas pipeline, adopts a thermal insulation layer as a bottom layer and adopts refractory bricks as working face bricks. The third pipeline section is configured as a bent structure and comprises special-shaped structure bricks and pipeline bricks which are spliced with each other. The three-way joint structure of the updraft gas pipeline can improve the bearing capacity of the pipeline and prolong the service life of the three-way joint of the gas pipeline by combining lightweight refractory castable and refractory clay bricks, thereby providing protection for the safe production of enterprises and providing guarantee for the generation and use of high-proportion gas.

The utility model relates to a melting furnace overflow port lip brick device with a steel mold shell, and belongs to the technical field of glass manufacturing equipment. The melting furnace overflow port lip brick device with the steel mold shell comprises a lip brick frame and a lip brick assembly, a plurality of lip brick assemblies are continuously mounted on the lip brick frame; the lip brick assembly comprises a steel mould shell, a positioning pin and an inner lip brick; an inner lip brick is arranged in the steel mould shell; refractory mortar is filled between the inner lip brick and the inner wall of the steel mould shell; a plurality of positioning through holes are formed in the upper end and the lower end of the steel mould shell; a positioning counter bore is formed in the inner lip brick corresponding to the positioning through hole; and positioning pins are assembled between the positioning counter bores and the corresponding positioning through holes in an interference manner. The melting furnace overflow port lip brick device with the steel mold shell is compact in structure and ingenious in design, solves the problem that an existing lip brick is easy to wear by utilizing the characteristics of high temperature resistance and wear resistance of the steel mold shell, and is particularly suitable for the requirements of glass production and use.

The invention discloses a method for preventing steel leakage between a steel ladle upper nozzle and an upper sliding plate, and relates to the technical field of metallurgy. The adding amount of water in the fire clay is controlled, so that the hardness of the fire clay is within a threshold value range; the thickness of the mounting disk is determined based on the deformation resistance of the mounting disk. Breakout of the steel ladle upper nozzle and the sliding plate in the steel pouring process is avoided, serious accidents of continuous casting pouring interruption and continuous casting machine burnout are avoided, considerable economic benefits are brought to iron and steel enterprises, and high-quality development of the iron and steel enterprises is promoted.

The utility model relates to the technical field of wire inlet hole fireproof plugging, in particular to a switch cabinet cable wire inlet hole fireproof plugging rapid installation mold which comprises a first semi-ring, the lower end of the first semi-ring is fixedly connected with a first base, and the surface of the first semi-ring is fixedly connected with a first connecting rod. According to the utility model, the first base is arranged, and the first base is made of a neodymium magnet, so that the first semi-ring and the second semi-ring can be adsorbed at the bottom of the cabinet body under the action of the first base, and at the moment, the rotating handle is screwed to drive the pressing screw rod to rotate, so that the pressing screw rod can be tightly pressed, and the pressing screw rod can be tightly pressed. At the moment, along with the action of threads, a pressing screw rod gradually moves downwards and then abuts against a second pressing plate and a first pressing plate, so that the second pressing plate and the first pressing plate move downwards under the constraint of a sliding groove, at the moment, the second pressing plate and the first pressing plate can extrude fireproof mud inside, then the wire inlet hole is blocked, and the fireproof mud is further pressed.

The utility model discloses a bracket for clay brick firing, and relates to the technical field of brick making equipment. The device comprises a U-shaped bottom frame, a bracket assembly is arranged on the upper surface of the U-shaped bottom frame, and a disassembly and assembly assembly is arranged on the bracket assembly. The bracket assembly comprises a plurality of side plates, the plurality of side plates are fixedly arranged on the upper surface of the U-shaped bottom frame, and a plurality of bracket pieces are detachably mounted among the plurality of side plates; the bracket piece comprises a bracket plate and an anti-sticking pad; by arranging the bracket assembly, green bricks are separately placed on a plurality of bracket pieces in the bracket assembly, a bracket plate supports the green bricks through an anti-sticking pad, the anti-sticking pad prevents the green bricks from being stuck to the bracket plate to cause defects, and ventilation is facilitated by arranging the bracket pieces and a ventilation groove; and meanwhile, the placed green bricks can be transferred through cooperation of a forklift pallet fork and an insertion cavity, the green brick placing operation convenience is improved, the green brick drying effect is improved, and meanwhile green brick deformation caused by green brick stacking is avoided.

The application provides a kind of supplementary ladle drainage sand and a preparation method thereof, and belongs to the technical field of steelmaking continuous casting.A kind of supplementary ladle drainage sand is made of the following raw materials by weight: chrome ore sand 0-75 parts, quartz sand 0-75 parts, zircon sand 0-50 parts, fused magnesite 0-50 parts, light-burned dolomite sand 10-25 parts, diatomite 3-7 parts, carbonaceous material 1-3 parts, and contains at least one of chrome ore sand, quartz sand, zircon sand and fused magnesite.The application is used to solve the practical problems of relatively high moisture and low self-opening rate after replacing the upper nozzle of the supplementary ladle, so that the ladle does not need to be baked after replacing the upper nozzle and applying fire clay, and after directly adding the supplementary ladle drainage sand, the phenomenon of self-opening rate reduction caused by the gasification and escape of moisture in the nozzle fire clay does not occur.

The utility model discloses a modularization splicing type volcanic rock mineral insulation fireproof bus duct, comprising a bus duct housing and a plurality of copper bars arranged at equal intervals, a volcanic rock insulation layer is poured in the bus duct housing, and the volcanic rock insulation layer wraps the plurality of copper bars. The top end face and the bottom end face of the bus duct shell are connected with limiting assemblies through bolts, and adjacent bus ducts are connected through sealing connecting pieces inserted into copper bars. According to the utility model, the volcanic rock insulating layer is poured in the bus duct, so that the fireproof performance of the whole bus duct is remarkably improved, and meanwhile, the sealing connecting pieces are arranged on the end surfaces of the connected bus ducts and filled with the fireproof mud, so that fireproof sealing of the connecting parts of the bus ducts is realized, and the bus duct can stably and normally operate for a long time.

The invention relates to the technical field of tundish temperature measuring probe seating bricks, in particular to a tundish temperature measuring probe seating brick mounting tool and mounting method, and aims to realize more accurate alignment of a probe seating brick and better mounting quality by utilizing a first mounting rod, a second mounting rod, a movable block and a limiting piece to perform alignment when the probe seating brick is replaced. After the probe brick cup is aligned, the probe brick cup is fixed to the side wall of the tundish body through the fixing piece, hand holding is not needed, and the periphery of the probe brick cup can be conveniently filled and fixed through fire clay. After the probe brick cup is fixed through the fire clay, the installation tool is detached from the tundish body, replacement of the probe brick cup can be achieved, the whole replacement process is easy to operate, and then the replacement efficiency can be improved.

The utility model provides a split type partially reusable ladle collector nozzle, which comprises a cover plate, an inner core, an outer sleeve and a steel shell, the steel shell is fixedly sleeved outside the outer sleeve, the inner core is bonded and fixed inside the outer sleeve through fire clay, and the cover plate is bonded and fixed at the upper end of the outer sleeve through fire clay and is flush with the upper end face of an inner cylinder. Compared with the prior art, the split type partially-recycled steel ladle collector nozzle and the preparation method have the advantages that the remaining part of the used steel ladle collector nozzle can be recycled on the premise that the service life is not affected. According to the split type steel ladle collector nozzle, the cost can be reduced by more than 50%.

The utility model relates to the technical field of finished product fireproof plugging devices for electromechanical specialty in the building industry, in particular to a rectangular pipeline fireproof plugging device which comprises a sleeve shell, a rectangular pipeline preassembled section, a transparent observation window, fireproof mud, a fireproof plate, a fireproof expansion sealing strip and mineral wool. And the transparent observation window is arranged on the side edge of the casing pipe shell and arranged on the outer side of the rectangular pipeline preassembled section in a sleeving mode, and the fireproof plate and the transparent observation window are provided with quick disassembly assemblies used for quickly disassembling the fireproof plate and the transparent observation window. The fireproof plugging device for the rectangular pipeline is composed of the sleeve shell, the rectangular pipeline preassembled section, the transparent observation window, the fireproof mud, the fireproof plate, the fireproof expansion sealing strip and the mineral wool, so that the attractiveness of fireproof plugging can be improved, and the reliability of fireproof plugging can be improved; and the transparent observation window and the fireproof plate can be quickly detached from the casing pipe shell through the arranged quick detaching assembly.

The present application discloses a converter slag blocking device, in which a raised platform and a butt joint platform are arranged in the brick arrangement, and the bowl brick is cancelled, the service life of the brick arrangement and the taphole is improved, the original brick arrangement and the easy brick arrangement are arranged, the precision of the brick arrangement installation is improved, the brick arrangement pressing plate is a flat plate type and is provided with a stepped lifting hole and a lifting hook in the lifting hole, the bending deformation of the brick arrangement pressing plate is reduced, the quick lifting problem of the brick arrangement pressing plate is solved, the precision of the brick arrangement installation is further improved, the brick arrangement overhang of the buffer base, the pressing plate relaxation chamber and the bolt stretching pool are arranged, the flexible fire clay contact between the buffer base and the brick arrangement is ensured at all times, the problems of the bending deformation of the inner slide plate cavity plate, the plate surface crack fracture of the inner slide plate, the slide plate clamping steel and the like caused by the over-high installation of the brick arrangement and the brick arrangement pressing plate are solved, and the stability of the mechanism surface pressure is obviously improved, the converter slag blocking device is safe and long in service life, stable in operation, low in comprehensive cost and simple in operation and maintenance.

The utility model discloses a copper water flume of copper smelting belongs to metallurgical technical field, including flume casing, the inside of flume casing is provided with fire clay layer no.

The application discloses fire clay for improving the bonding strength of refractory brick masonry and a preparation method thereof. The fire clay comprises 48-52% of clay raw material powder, 18-22% of soft clay, 8-12% of high alumina clinker powder, 10-12% of a binder, 1-2% of an additive and the balance of water in percentage by mass. The preparation method of the fire clay comprises the following steps: S1, batching, S2, mixing materials, and S3, mixing. Compared with the binder applied in the preparation process of the fire clay in the prior art, the binder has higher bonding strength and lower requirement for temperature conditions, and still has higher bonding strength at normal temperature, so that the binder can be more widely used in the refractory brick masonry process.

This utility model relates to domestic solid fuel stoves and can be used for heating residential and non-residential premises, as well as for cooking. The technical result is that the wedge-shaped bricks of the stove's arched vault have a trapezoidal cross-section, allowing them to be interlocked to form a self-supporting vault without the use of mortar, thereby eliminating the need for mortar in the joints between adjacent bricks. This increases the stove's service life, simplifies its installation, repair, and maintenance, and allows for repeated assembly and disassembly, thereby implementing the modular design principle of the heating stove. Taken together, these features improve the stove's performance.The technical result is achieved by a heating stove made of fireclay bricks in a metal casing with an arched vault, distinguished by the bricks being laid using a dry-laying method, with the bricks of the arched vault being wedge-shaped with a trapezoidal cross-section. 4 ref. f-ly, 1 fig.

A kind of power distribution cabinet fire clay installation tool, including first clamping sleeve and second clamping sleeve, first clamping sleeve and second clamping sleeve are detachably connected by rotating connecting assembly between first clamping sleeve and second clamping sleeve, first clamping sleeve and second clamping sleeve are mirror image structure, first clamping sleeve and second clamping sleeve constitute the shell structure with the opening in bottom and top;First clamping sleeve is connected with first grip bar, and second clamping sleeve is connected with second grip bar.The utility model discloses through detachable clamping sleeve structure, convenient connecting assembly, adjustable caliber design and special shell shape, the efficient convenience of fire clay installation, quality reliable and strong applicability are realized.