57results about "Lining supports" patented technology

A refractory anchor including an elongated mounting pin having a first end and a second end opposite to the first end seen in the longitudinal direction of the elongated mounting pin, wherein the first end of the elongated mounting pin is configured to be weldable to an object, and an assembly including an object and the refractory anchor, and to a method for providing the assembly.

Presented is a metallurgical furnace (1) comprising a hearth (2), a sidewall structure (3), and a surrounding cooling element structure (26) comprising cooling elements (12). Each cooling element (12) have a planar back surface (13). A surrounding binding structure (5) comprising binding sections (6) surrounds partly the surrounding surface (24). Adjacent binding sections (6) of the surrounding binding structure (5) are connected by tension assemblies (9). At least one planar back surface (13) of at least one cooling element (12) is parallel with and is in a horizontal direction of the metallurgical furnace (1) supported by at least one planar surface means (43) of at least one binding section (6) of the surrounding binding structure (5). Said at least one cooling element (12) of the surrounding cooling element structure (26) is located at least partly between the surrounding surface (24) and said one binding section (6).

The utility model discloses a ceramic inner cylinder hanging piece fixing seat for a cement kiln preheater, which relates to the technical field of preheater hanging piece fixing and comprises a fixing base and a rubber pad which is arranged on the fixing base and fixedly connected with the fixing base. The number of the threaded holes is two, and the two threaded holes are formed in the fixed base and fixedly connected with the fixed base; the number of the bolts is two, and the two bolts are arranged in the threaded holes and matched with the threaded holes; and the fixing mechanism is arranged on the fixed base. According to the device, the fixing mechanism is arranged, and the hanging piece can be fixed through the fixing mechanism, so that the hanging piece is stably fixed in the inner cylinder of the preheater. According to the device, the hanging pieces can be disassembled through the fixing mechanism, meanwhile, the hanging pieces are disassembled conveniently, replacement operation of the hanging pieces is facilitated, the time used for replacement is shortened, and the working efficiency is improved.

To provide a heat insulating material fixing structure, a retainer, and a method for manufacturing the retainer, which have excellent maintainability inside a furnace and low manufacturing costs. [Solution] An insulation material fixing structure for fixing insulation material 4 to a furnace 10, comprising an outer skin 2 on the outside of the furnace, a furnace wall 3 on the inside of the furnace, insulation material 4 arranged between the outer skin 2 and the furnace wall 3, stud bolts 5 fixed to the outer skin 2, and a retainer 6 abutting the furnace wall 3, the retainer 6 having a through hole 61 formed in a plate member, and a peripheral portion 62 of the through hole 61 protruding from the inside of the furnace toward the outside of the furnace, and the peripheral portion 62 being welded to the stud bolts 5, thereby fixing the insulation material 4 between the outer skin 2 and the furnace wall 3.

The present invention relates to a precast ring for use in a furnace, a refractory lining comprising a precast ring and a dry vibration material and a method of forming a refractory lining.

The invention relates to a device and a method for constructing a staggered joint type insulating layer of a furnace tube of an ethylene cracking furnace. The construction device is used for coating the surface of the furnace tube with a plurality of layers of fiber felts in a staggered joint mode and comprises a first arc-shaped plate and a second arc-shaped plate with the ends hinged to each other, the ends, away from the hinged point, of the first arc-shaped plate and the second arc-shaped plate are fixedly connected with mounting plates, and the mounting plates are parallel to the axis of the first arc-shaped plate / the second arc-shaped plate; limiting pieces used for fixing the two ends of the fibrofelt are arranged on the mounting plate, and the mounting plate is used for wrapping the fibrofelt on the surface of the furnace tube in the rotating process of the first arc-shaped plate and the second arc-shaped plate. The construction device is further provided with a fixing mechanism used for fixing the fiber felt. The traditional operation mode of manual threading and manual fiber felt tensioning is thoroughly abandoned, ground preparation and mechanical coating are achieved, and the labor intensity and potential safety hazards are greatly reduced.

The utility model relates to the technical field of heating furnaces, in particular to a heating furnace with a Y-shaped anchoring nail, which comprises a furnace wall, the Y-shaped anchoring nail and a heat preservation structure positioned on the inner wall of the furnace wall, the heat preservation structure comprises a backing layer and a pouring layer which are sequentially arranged inwards, the Y-shaped anchoring nail comprises a straight nail section and a V nail section, and two ends of the straight nail section are respectively connected with the inner wall of the furnace wall and the V nail section. The straight nail section penetrates through the backing layer, and the V-shaped nail section extends into the pouring layer, so that the backing layer and the pouring layer are fixed on the inner wall of the furnace wall; the rod body of the V-shaped nail section is obliquely arranged, and the inward inclination angle is gradually increased; and the rod body of the V-shaped nail section is wave-shaped. Compared with the prior art, the rod body of the V-shaped nail section is obliquely arranged, and the inward inclination angle is gradually enlarged; the rod body of the V-shaped nail section is in a wave shape, so that the contact area and friction force between the V-shaped nail and the castable are increased, and the fixing effect on the castable is improved.

The invention discloses a prefabricated modular fire-resistant structure of a hearth side wall of pellet roasting equipment and a mounting method, relates to the field of pellet roasting equipment, and solves the problems of low construction efficiency, difficulty in maintenance and poor thermal stability of an existing fire-resistant structure. According to the technical scheme, the device comprises a hearth side wall plate, a first prefabricated fire-resistant composite module and a second prefabricated fire-resistant composite module which are fixed to the inner wall of the side wall plate, and elastic sealing strips filled in reserved gaps between the modules. The prefabricated fire-resistant composite modules I and the prefabricated fire-resistant composite modules II are alternately arranged and are in mortise and tenon joint through complementary edge section contours; an anchor rod is embedded in the center of the module and connected with the side wall plate, and a thermal expansion sliding interval is reserved in a counter bore of the anchor rod. The structure is mainly used for the hearth side wall of pellet roasting equipment so as to improve the construction efficiency, facilitate rapid maintenance and enhance the thermal stability and the sealing performance.

The application discloses a high-tensile super-strong prefabricated part for a boiling calcining furnace and a manufacturing method thereof, and relates to the technical field of calcining furnaces. The prefabricated part comprises a plurality of prefabricated part bodies, at least one anchor is embedded in the interior of each prefabricated part body, and one end of the anchor extends out of the back of the prefabricated part body to form a connecting part for connecting with a furnace shell. By embedding the anchor in the interior of each prefabricated part body, the traditional connecting mode of externally welding the anchor is replaced, meanwhile, the anchor and the prefabricated part body are combined into an integrated whole in the prefabricating stage in the factory, and the interface gap between the traditional welded anchor and the refractory lining is effectively eliminated. Meanwhile, the plurality of prefabricated part bodies are detachably connected to form a modular structure, which not only facilitates the quick installation of the prefabricated part, but also enables the single replacement of the damaged prefabricated part body without large-area furnace shutdown and maintenance, thereby avoiding the shutdown loss caused by the overall replacement of the traditional lining when the lining is totally invalid.

An eye mount for a refractory anchor includes a mounting base and an attachment head extending from the mounting base. The attachment head includes a through-hole and a saddle channel. The saddle channel includes two side portions formed integrally with the attachment head, and a curved portion between the two side portions. The curved portion is formed integrally with the attachment head.

The anchoring part structure for the rotary kiln comprises an anchoring hook with the circular section and a cuboid-shaped fixing block, and the anchoring hook comprises a first short straight section, a first long straight section, a connecting section, a second long straight section and a second short straight section which are sequentially connected; the axis of the first long straight section, the axis of the connecting section and the axis of the second long straight section are all located in a first anchoring plane. The first long straight section and the second long straight section are opened in a V shape; the axis of the first short straight section and the axis of the second short straight section intersect with the first anchoring plane. The bottom face of the fixing block is a welding face used for fixedly connecting the anchoring part structure and a rotary kiln cylinder. The anchoring part structure provided by the utility model is convenient to overhaul, is firmly welded with the rotary kiln cylinder body, and is beneficial to enhancing the stability of the connection between the refractory castable and the cylinder body by using the anchoring part structure.

A pressure ring assembly (10) comprises at least first and second segments 12.1, 12.2 which are connected to one another in abutting relationship by a removable wedge connector 14 comprising first and second prongs 36, 38. Each segment comprises a body 20 extending arcuately between first and second side walls 22, 24 thereof. Each segment defines first and second elongate bores 26, 28. Each bore has a radiused wall section 30 facing the adjacent side wall, the radius being at least 15 mm. The first and second prongs diverge away from one another at an angle of less than 15 degrees. The first prong extends into the second bore of the first segment and the second prong extends into the first bore of the second segment. Mutually facing contact faces 46, 48 of the first and second prongs have profiles complementary to the radiused wall sections 30 of the bores.

The invention discloses a heat treatment furnace with a modularized furnace lining and a using method. The heat treatment furnace comprises a furnace body, a furnace door and heating elements. The inner wall of the furnace body, the furnace top and the inner surface of the furnace door are all covered with modular furnace linings formed by splicing a plurality of heat preservation modules. Each thermal insulation module is a ceramic fiber compression molding block in which an anchoring part is pre-embedded, and a mechanical interface is arranged on the outer surface of each thermal insulation module; a buckle type fast-assembly support matched with the mechanical connector is arranged at the corresponding position of the inner side of the furnace body frame. And the thermal insulation module is fixed through vertical insertion connection of the mechanical interface and the quick-mounting bracket. The modular furnace lining is adopted, and an existing heat treatment furnace is innovatively improved, so that the mounting efficiency is remarkably improved.

The utility model discloses a composite anchoring part structure for a rotary kiln, which comprises a fixed block and an anchoring hook, the fixed block is fixed on a rotary kiln cylinder, the anchoring hook is fixedly connected with the fixed block, two free ends of the anchoring hook extend towards the center direction of the rotary kiln cylinder and respectively form anchoring arms, and the anchoring arms are anchored in refractory castable; the anchoring arm is sequentially provided with a parallel section, an external expansion section and three-dimensional expansion sections from the end close to the fixing block to the free end of the anchoring arm, and the two three-dimensional expansion sections are bent and extend in the direction intersecting with the first plane. According to the utility model, the three-dimensional expansion section mainly used for anchoring presents a V-shaped projection in a three-dimensional space, so that the refractory castable can be well anchored, and the connection strength with the rotary kiln cylinder body is improved; by arranging the two parallel sections which are parallel to each other, when the anchoring hook is slightly deformed due to stress, the parallel sections can bear and buffer deformation, the whole parallel sections serve as buffer sections, and stress concentration is avoided.

The utility model discloses an improved anchoring nail, which belongs to the technical field of fastening components and comprises a screw, a base and a plurality of side arms, and the base and the side arms are integrally formed. The base comprises a base body and a threaded connection hole, the threaded connection hole penetrates through the base body, and the threaded connection hole is connected with the screw in a matched mode; each side arm comprises a fixed end, a free end and a side arm body, the fixed ends are arranged on the side face of the base body in a scattered mode, the side arm bodies extend towards the periphery with the fixed ends as base points, and the free ends are located at the tail ends of the side arm bodies. The anchoring nail is not prone to breakage, long in service life, easy to manufacture, convenient to operate and low in cost.

The invention relates to a furnace wall pouring layer anchoring structure and an assembling device, and relates to the technical field, the furnace wall pouring layer anchoring structure comprises a fastening assembly, the fastening assembly comprises a long rib, and a short rib is welded to the outer wall of the long rib; the assembling device of the furnace wall pouring layer anchoring structure comprises a walking frame, and further comprises a driving mechanism, a supporting mechanism, a supporting mechanism and a supporting mechanism, and the driving mechanism is arranged in the inner wall of the walking frame; the transmission mechanism is arranged on the outer wall of the walking frame; wherein the driving mechanism comprises a trigger wheel, the outer wall of the bottom end of the trigger wheel is fixedly connected with a chain wheel A, and the outer wall of the chain wheel A is in transmission connection with a chain wheel B through a chain; through the arrangement of the transmission mechanism and the driving mechanism, an operator pushes the walking frame and the trigger wheel to rotate by 90 degrees, the fastening assembly can be correspondingly driven to rotate by 90 degrees, and therefore during welding, manual point-by-point positioning is not needed, the angle of the fastening assembly does not need to be manually adjusted either, automation is higher, and efficiency is higher.

The utility model discloses a high heat conduction composite refractory brick assembly for hydrogen production reformer lining relates to refractory material technical field. The utility model discloses a refractory brick, the high heat conduction mechanism is provided in the refractory brick, the refractory brick both sides all are provided with the mounting mechanism, the high heat conduction mechanism includes the hollow slot of setting in the refractory brick inside, the support plate of fixed connection in the hollow slot inside and the high heat conduction pipe of fixed connection in the hollow slot inside, the mounting mechanism includes the spacing rod of setting in the refractory brick one side. The utility model discloses through spiral high heat conduction pipe design, significantly prolongs the heat flow path and increases the contact area with the refractory brick base body, cooperates the high heat conduction characteristic of copper base composite material, realizes the heat rapid, even transmission to the reaction tube area, and this structure solves the problem of low efficiency of traditional linear heat conduction groove thoroughly, effectively eliminates the circumferential temperature difference of furnace tube, guarantees the catalytic reaction uniformity, and greatly improves the methane conversion efficiency.

An insulating concrete shell made of refractory cast concrete or refractory tamped concrete for insulating uprights or supporting tubes in a walking beam furnace or pusher-type furnace. The insulating concrete shell is shell-shaped and has a sheet metal strip on the inner side at each end, with which the insulating concrete shell can be fastened to an upright or to a supporting tube. The two sheet metal strips are connected to each other by wires, whereby the two wires are completely embedded in the cast or tamped concrete. A method for manufacturing an insulating concrete shell is also disclosed.

The present invention relates to a glass furnace (1) having a tank (10) on which side walls (20) are placed and which is closed from above by a crown (30), wherein the crown is supported by an external structure (2), characterized in that the crown is composed of a plurality of individual elements (31), and each individual element is directly fixed to the external structure.

The utility model discloses a submerged arc furnace lining sintering anti-cracking device which comprises a furnace body, a furnace building mold is arranged in the furnace body, a furnace lining is arranged between the furnace building mold and the furnace body, a furnace cover is arranged above the furnace body, a through hole is formed in the middle of the furnace cover, an L-shaped installation frame is arranged above the furnace cover, and a through hole is formed in the middle of the through hole. A mounting cavity is formed in the L-shaped mounting frame, a stand column is arranged above the L-shaped mounting frame, the stand column is communicated with the mounting cavity, the stand column is slidably connected with the L-shaped mounting frame, a high-temperature-resistant probe assembly is arranged at the lower end of the stand column, and the high-temperature-resistant probe assembly is connected with the stand column through a screw; according to the anti-crack device, the probe is placed in the furnace chamber, the camera is used for shooting the surface of the furnace lining, whether the furnace lining cracks or not is judged according to the shot image, the furnace lining is repaired in time, the furnace lining cracks are prevented from being further expanded, potential safety hazards are reduced, and the sintering service life of the furnace lining is prolonged.

The utility model discloses a ceramic inner cylinder hanging piece connecting structure, which relates to the technical field of ceramic inner cylinder hanging pieces, and comprises a support plate and a support bolt, and the support bolt is detachably and fixedly connected with the support plate; the hanging piece comprises a hanging piece body and further comprises supporting pieces, a supporting block, a supporting groove, a fixing groove, a fixing ring and a clamping mechanism, the clamping mechanism is arranged on the supporting pieces and used for clamping and fixing the supporting pieces, by arranging the clamping mechanism, the supporting pieces are connected more stably and firmly, meanwhile, when the supporting pieces are loosened, the supporting pieces can be reinforced in time, and stable connection of the hanging piece is guaranteed.

The invention belongs to the field of sintering furnaces, and particularly relates to a heat preservation layer installation adjusting structure and method and a sintering furnace system.The heat preservation layer installation adjusting structure comprises a plurality of fastening adjusting pieces arranged in the circumferential direction of the inner wall of a furnace body at intervals; the fastening adjusting piece comprises a fixing part and an adjusting part adjustably arranged on the fixing part, the fixing part is used for being connected to the inner wall of the furnace body, and a clamping groove used for installing an upper flange of the heat preservation layer is formed in the adjusting part towards the middle of the furnace body. After the thermal insulation layer deforms, the height of the thermal insulation layer and the concentricity of the thermal insulation layer and the furnace body can be adjusted by adjusting the adjusting parts of the corresponding fastening adjusting pieces, so that the thermal insulation layer can be continuously used, the maintenance time and period of the thermal insulation layer can be greatly shortened, a large amount of manpower and material resources are saved, the use efficiency of the sintering furnace is improved, and the maintenance cost is reduced.

The utility model discloses a hanging structure for a heating furnace open-hearth top and the heating furnace open-hearth top, and relates to the technical field of furnace refractory castable structures and construction, the hanging structure comprises a top template, side templates arranged around the top template, a plurality of anchoring bricks detachably arranged on the top template, and a top hanging assembly connected to the tops of all the anchoring bricks, the top hanging assembly is connected to the steel beam assembly in a hanging mode, and the anchoring bricks are vertically arranged on the top formwork and tensioned between the hanging assembly and the top formwork. A hole is formed in the upper portion of the anchoring brick to serve as a hanging hole, a hole is formed in the lower portion of the anchoring brick to serve as an installation fixing hole, the structure of the anchoring brick is in a full-movable mode and completely adapts to thermal expansion stress of castable in all directions, all the anchoring bricks are evenly stressed, the anchoring bricks can be fastened again before use and in the use process, and all the anchoring bricks are evenly stressed.

A full-fiber furnace roof structure for a steel rolling reheating furnace is disclosed, relating to the field of reheating furnaces. The full-fiber furnace roof structure includes a high-temperature resistant fiber module layer composed of multiple high-temperature resistant fiber modules, multiple heat-insulating fiber liners, multiple fiber module mounting and fixing components that fix the heat-insulating fiber liners to the top surface of the high-temperature resistant fiber module layer, multiple furnace roof steel beams, multiple furnace roof hanging small steel beams connected to the furnace roof steel beams, and multiple bent channel plates. The bent channel plates press against the top surface of the heat-insulating fiber liners, and are connected to at least two pairs of channel plate hanging parts that suspend the furnace roof hanging small steel beams. The fiber module mounting and fixing components connect to the bent channel plates. An installation joint is provided between two adjacent high-temperature resistant fiber modules along their length, and a seam-pressing fiber blanket is provided at the top of the installation joint between the two bent channel plates. The full-fiber furnace roof structure for the steel rolling reheating furnace can solve the tearing damage to the high-temperature resistant fiber modules caused by thermal expansion deformation and prevent seam fire and burning damage.

The present invention relates to a precast ring for use in a furnace, a refractory lining comprising a precast ring and a dry vibration material and a method of forming a refractory lining.

The invention relates to the technical field of petrochemical equipment, in particular to an end tube plate with a woven heat preservation anchoring structure, a tube plate manufacturing method and a heating furnace, the end tube plate comprises a supporting plate, a surrounding plate and a sleeve, the surrounding plate is fixed to the periphery of the supporting plate and extends out of the thickness direction of the supporting plate, and a pouring groove is defined by the end face of the supporting plate and the surrounding plate jointly; a plurality of positioning holes are formed in the supporting plate in a penetrating mode, and the multiple sleeves are fixed to the multiple positioning holes and extend into the pouring groove. Thread fixing parts are arranged on the inner side wall of the surrounding plate, the inner side wall of the supporting plate, the outer wall of the anchoring nail and / or the outer wall of the sleeve, and the weaving threads are bound, wound or lapped on the different thread fixing parts in sequence, so that the weaving threads shuttle and are interwoven in the space inside the pouring groove and outside the sleeve according to a preset route; pasty heat insulation filler is fully poured into the pouring groove, the heat insulation filler is solidified to form a heat preservation layer, and therefore the weaving wires are arranged in the heat preservation layer in a penetrating mode. And through the woven heat preservation anchoring structure, the fixing effect on the heat preservation material is improved, and the risk that the heat preservation material falls off is reduced.

This application discloses a high-temperature resistant and wear-resistant blanket. The preparation method of the high-temperature resistant and wear-resistant blanket of this application includes the following steps: S1, high-purity aluminosilicate fibers and silicon carbide mullite fibers are processed into a cotton blank through a cotton collection process; S2, the cotton blank is lightly sintered and shaped, and then cut to obtain a shaped cotton blank; S3, a silicon carbide slurry is prepared and coated onto the surface of the shaped cotton blank, ensuring that the slurry penetration thickness is more than 5 mm, to obtain a slurry-coated cotton blank; S4, the slurry-coated cotton blank is lightly sintered and shaped, and then needle-punched to form a blanket, to obtain a fiber blanket blank; S5, the fiber blanket blank obtained in step S4 is subjected to high-temperature sintering treatment to obtain a high-temperature resistant and wear-resistant blanket. The preparation process of this application is relatively simple, and it exhibits good high-temperature resistance, good thermal insulation performance, and good high-temperature wear resistance.

The invention discloses a furnace lining structure and a preparation method thereof, and belongs to the technical field of ferrous metallurgy. The furnace lining structure sequentially comprises a furnace wall steel shell, a heat preservation layer, an isolation layer and a working layer from outside to inside, the working layer is made of corundum refractory materials, the heat preservation layer is made of aluminum-silicon refractory materials, and the isolation layer is a nanometer oxide coating. The nano oxide is at least one of nano aluminum oxide and nano zirconium oxide. Stable and reliable operation of equipment related to the hydrogen reduction process is promoted, the service life of refractory materials is prolonged, and safe production is strengthened.

This invention belongs to the field of new materials technology, specifically relating to a high-strength ceramicized refractory material based on aluminum-chromium slag, its preparation method, and its application. The high-strength ceramicized refractory material based on aluminum-chromium slag is prepared from the following raw materials in parts by weight: 92-97 parts of aluminum-chromium slag matrix, 3-8 parts of binder, and an aluminum-silicon composite additive. The amount of the aluminum-silicon composite additive is 2%-10% of the total mass of the aluminum-chromium slag matrix and binder; wherein the binder is lignosulfonate; and the aluminum-silicon composite additive is a mixture of metallic aluminum powder and silicon powder. The high-strength ceramicized refractory material based on aluminum-chromium slag prepared by this invention exhibits excellent compressive strength, density, and resistance to molten slag erosion, and also has good environmental safety.