95 results about "Mortar joint" patented technology

The invention discloses an anti-leakage masonry wall, and aims to solve the problem that a straight-line-shaped flat joint of a traditional masonry wall is prone to leakage. The wall comprises a wall body built by building blocks, the wall body comprises a vertical section and a horizontal section, and a Z-shaped horizontal mortar joint is formed between the upper building block and the lower building block of the vertical section and is meshed through a tongue-and-groove structure; and vertical mortar joints are formed between adjacent building blocks in the horizontal section and are staggered up and down. A plain concrete bearing and blocking structure is further arranged, and a water baffle, a matched fixing edge, a limiting groove, a water swelling rubber strip, a limiting block and the like are arranged on the top of the building block. According to the structure, the water seepage path is prolonged, dynamic sealing is achieved, the masonry precision is guaranteed, the anti-seepage performance is cooperatively improved, and the building safety and durability are guaranteed.

The invention relates to a bracket structure for a chute area of a dry quenching furnace. The bracket structure is formed by building a plurality of layers of bracket bricks; and a plurality of supporting pieces are arranged between every two adjacent layers of bracket bricks, the supporting pieces are hard supporting pieces, the thickness of the supporting pieces is the same as that of mortar joints, the top faces of the supporting pieces make direct contact with the upper layer of bracket bricks, and the bottom faces of the supporting pieces make direct contact with the lower layer of bracket bricks. The supporting pieces are placed in the refractory mortar joints between the bracket brick layers, so that the problems of sinking of the annular air duct and cracking of the chute partition wall caused by deformation of the bracket mortar joints and inaccurate bracket elevation control are effectively prevented, the masonry quality of the dry quenching furnace is improved, and the service life of the dry quenching furnace is prolonged.

The invention discloses a stone masonry house anti-seismic reinforcing structure and a construction method, and relates to the technical field of house reinforcing. The anti-seismic reinforcing structure of the stone masonry house comprises a wall body, and a door body reserved opening and a window reserved opening are formed in the surface of the wall body. According to the anti-seismic reinforcing structure for the stone masonry house and the construction method, the structural strength and anti-seismic performance of the house can be improved, during caulking, the two sealing blocks are driven by the moving module to move away from each other in a mortar joint, and at the moment, a grouting cavity can be formed among the mortar joint, the two sealing blocks and a sealing plate; a high-performance fiber-reinforced cement-based composite material UHP-ECC can be grouted into the grouting cavity, and the pressure is detected through the pressure sensor, so that the length of the caulking strip is convenient to control, the pressure of the caulking strip during grouting is convenient to control, the conditions that the caulking strip has bubbles and is not compact are avoided, waste of caulking materials is avoided, the caulking quality is guaranteed, and the caulking efficiency is improved. And the reinforcing quality is further ensured.

The utility model relates to an anti-blow-by coke oven regenerative chamber structure, which is divided into a plurality of different temperature intervals from the lower part of a combustion chamber to the bottom of the regenerative chamber, and sequentially comprises a high-temperature area, a medium-temperature area, a low-temperature area and a low-temperature area from top to bottom, the gas pipeline airflow channels corresponding to all the temperature intervals are staggered, and a high-temperature-resistant metal hose is arranged in the gas pipe brick airflow channel corresponding to the same vertical flame path from top to bottom in a full-length mode; and sliding layers are arranged among the brickworks in different temperature intervals. According to the utility model, gas supply blowby caused by mortar joint tearing or gas pipe brick breakage due to displacement between the upper and lower layer gas pipe bricks in the main wall of the regenerative chamber of the coke oven caused by different expansion during the oven drying period or the residual expansion period of the coke oven can be prevented, and smooth and safe production of the large coke oven is ensured.

The present invention relates to a masonry panel for installation on a surface with the panel comprising a front-side surface and a back-side surface with the front-side surface including at least one mortar joint on the front-side surface. The masonry panel also comprises at least one fastener insert positioned within the at least one mortar joint with the at least one fastener insert comprising a transformable end to cover a fastener head once the fastener head has passed through the transformable end and a rigid tube connected to the transformable end allowing the fastener to travel through the panel.

The invention provides a wall masonry mortar joint thickness detection method, and belongs to the technical field of building quality nondestructive testing. The method aims at solving the problem that the non-contact thickness detection precision and the automation degree are insufficient. The method comprises the following steps: firstly, synchronously acquiring a two-dimensional color image and three-dimensional point cloud data of a wall body, and establishing coordinate mapping; performing mortar joint semantic segmentation on the image to obtain an initial mask, and mapping the initial mask to a three-dimensional point cloud to focus a candidate area; recognizing and fitting a first space curve and a second space curve where the upper edge and the lower edge of the mortar joint are located based on the normal and spatial distribution characteristics of the point cloud of the region; finally, calculating points are selected on the first space curve, corresponding points are determined on the second space curve, and the three-dimensional Euclidean distance between each point pair is calculated and counted, so that the mortar joint thickness value is obtained. The method is mainly used for carrying out rapid and non-contact automatic measurement on the masonry mortar joint thickness in a building construction site or quality evaluation.

The embodiment of the invention relates to a sliding type flexible connecting joint, a building structure and a construction method. The sliding type flexible connecting joint comprises a main body connecting piece, a buffering soft cushion layer and a sliding connecting pin. The main body connecting piece is provided with a sliding groove which is fixed to the side face of the steel column and used for connection between the sliding type flexible connecting joint and the steel column. The length of the long axis of the sliding groove is larger than the expected elastic horizontal displacement value of the steel column in an earthquake, and the sliding groove is used for the slidable connecting pin to move in the horizontal direction of the steel column. The buffer cushion layer is arranged in a gap between the wall body and the steel column and is used for reducing stress concentration between the wall body and the steel column; the slidable connecting pin comprises a tie bar and an adjusting piece; the fixed ends of the tie bars extend into mortar joints of the wall body, and the free ends of the tie bars penetrate through the buffer cushion layer and the sliding grooves to extend into the steel column and are used for mechanical connection between the steel column and the wall body; the adjusting part is arranged at the free end in a sleeving mode and used for adjusting the displacement of the tie bar in the horizontal direction.

This invention relates to the field of masonry mortar technology, specifically disclosing a solid waste-based thin-layer masonry mortar and its preparation and application methods. This invention contains more than 98 wt% solid waste. The addition of cellulose ether to the solid waste slag powder enhances the activity of various components in the later use of water slag, steel slag, and desulfurized gypsum, increases the viscosity of the system, and improves stability. Through the interaction between the active components in the solid waste slag powder and cement, the cementitious properties of the solid waste-based thin-layer masonry mortar are improved. By limiting the dosage of each raw material, the early hydration rate of the solid waste powder is controlled, and the setting time of the cementitious material system is adjusted. The synergistic effect of each component improves the mechanical strength and stability of the solid waste-based masonry mortar. The solid waste-based thin-layer masonry mortar provided by this invention has good appearance quality, can reduce the mortar joint thickness from 20 mm to 2-4 mm, has excellent performance, greatly reduces costs, and has good industrial prospects and social benefits.

The application relates to a construction and design method of a staggered joint type stone masonry wall reinforcing structure, which comprises the following steps: chiseling a groove with an X-shaped profile along a mortar joint on one side of a stone masonry wall; pressing and smearing polymer mortar into the groove; embedding a plurality of L-shaped steel plates and T-shaped steel plates into the groove filled with the polymer mortar before initial setting of the polymer mortar, and the plurality of L-shaped steel plates and T-shaped steel plates are arranged in a staggered mode to form X-shaped steel plates; smearing polymer mortar on one side of the stone masonry wall to form a polymer mortar surface layer, and the polymer mortar surface layer covers all the L-shaped steel plates and T-shaped steel plates; the L-shaped steel plates and T-shaped steel plates embedded in the mortar joint of the stone masonry block can effectively improve the overall lateral resistance of the stone masonry wall; the stone masonry wall, the steel plates and the mortar surface layer are organically formed into a stress whole; and the X-shaped staggered joint reinforcing arrangement scheme can further efficiently improve the overall lateral resistance of the stone masonry wall.

The invention discloses a construction method for improving the stability of a concrete solid brick masonry wall. The construction method comprises the following core steps that the specifications of materials such as concrete solid bricks and hot-rolled ribbed steel bars are checked; vertical tie bars are implanted along the height of the frame columns according to the interval of 500 mm, brick bodies are built through a three-in-one-out method, and the tie bars are pressed into the brick bodies; the full-length ribs are arranged according to the interval of 500 mm and are bound with the vertical tie bars to form a vertical framework; horizontal tie bars are bound in a plum blossom shape of 500 mm along the through long bars, circular masonry is conducted, and cement mortar joints with the thickness being 8-10 mm are controlled; after the wall body is built, the two-way reinforcing meshes are laid on the two sides and fixed to the horizontal tie bars in a spot welding mode, and an overall stress system is formed. Through the synergistic effect of the multi-dimensional steel bar structure, the tensile strength, shear resistance and ductile deformation capacity of the wall are remarkably improved, out-of-plane bulging deformation is restrained, brittle failure is converted into ductile failure, construction is easy and convenient, materials are easy to obtain, and the method is suitable for various concrete solid brick masonry wall projects.

The invention discloses a UHPC (Ultra High Performance Concrete) outer decorative brick and thermal insulation layer integrated prefabricated external wall panel and a mounting method thereof, the prefabricated external wall panel comprises a structural wall panel layer, an XPS thermal insulation layer and a UHPC outer decorative brick layer which are arranged in sequence, and also comprises a double-layer anchoring part for connecting the three layers into a whole, the double-layer anchoring part comprises a screw rod, a first anchoring disc and a second anchoring disc, the first anchoring disc and the second anchoring disc are coaxially fixed to one end of the screw rod and spaced, the first anchoring disc and the second anchoring disc are anchored in the UHPC outer decoration brick layer, and the screw rod penetrates through the XPS heat preservation layer and is embedded into the structural wallboard layer. The prefabricated external wall panel has the advantages that the prefabricated external wall panel integrating the UHPC external decorative bricks and the heat preservation layer is integrally designed and machined, meanwhile, a mounting method of the corner part is provided, mortar joint treatment procedures are reduced, efficiency is improved, the UHPC performance is fully played, the decorative effect is vivid, aloft work is reduced, and the construction period is shortened. The double-layer anchoring part is used for providing overall reliability of the decorative plate and the heat preservation layer, and the later-stage falling risk is reduced.

The utility model relates to the technical field of building wall masonry, and discloses a novel outdoor wall landscape mortar-joint-free masonry connecting structure which comprises a main building block and an auxiliary building block, sealing mechanisms are fixedly connected to the front end and the rear end of the main building block, a connecting mechanism is slidably connected to the interior of the main building block, and the main building block is connected with the auxiliary building block through a connecting rod. The two sealing mechanisms comprise waterproof strips, the close sides of the two waterproof strips are fixedly connected to the front end and the rear end of the main building block respectively, the far sides of the two waterproof strips are coated with sealant, the connecting mechanism comprises a connecting rod, and the exterior of the connecting rod is slidably connected to the interior of the main building block. According to the utility model, the limiting plate sleeved with the limiting component slides in the main building block, so that the limiting block is aligned with the limiting opening and can be preliminarily limited, and then the nut is rotated to slide downwards along the thread of the connecting rod to tightly press the limiting plate, so that the limiting plate can be quickly connected, and the connecting strength is improved.

The utility model discloses a wall plastering machine, including sand mortar bin and extrusion mechanism, sand mortar bin is used to accommodate mortar ash, and this sand mortar bin front end surface is equipped with the mortar joint and scraper subassembly, the mortar joint extends along the length direction of sand mortar bin, the scraper subassembly is located below the mortar joint and extends along the length direction of mortar joint, the extrusion mechanism includes power component and swingable pressing plate, and the pressing plate is movably arranged in the internal cavity of sand mortar bin, and the power output of power component is connected with the driving of pressing plate, and the power component drives the pressing plate to exert extrusion pressure to the mortar ash in sand mortar bin, and makes the mortar ash extrude to the wall surface of waiting operation through the mortar joint, the wall plastering machine of the utility model replaces the traditional pumping system through the mechanical type pressure grouting structure of extrusion mechanism, can solve the problem of pipe blockage, mortar output fluctuation and high equipment complexity in prior art due to the slag pump delivery.

The utility model discloses a wall masonry mortar joint thickness control device, and relates to the technical field of wall masonry, the wall masonry mortar joint thickness control device comprises a brick body 1 and a brick body 2, a gap is constructed between the brick body 1 and the brick body 2, the top end of the brick body 1 is movably connected with a control vehicle, the top end of the control vehicle is rotatably connected with two groups of symmetrical connecting rods, the two sides of the first brick body are each provided with an auxiliary moving mechanism, the auxiliary moving mechanisms are movably connected with the top ends of the connecting rods, and an adjusting mechanism is arranged in the first brick body. Through the arranged measurement adjusting mechanism, if the gap is smaller than the width of the control block, when the control block moves to the inner side of the gap, the second brick body is pushed away from the first brick body, so that the gap between the first brick body and the second brick body is consistent with the width of the control block, and if the gap is larger than the width of the control block, the second brick body is pushed away from the second brick body. And the gap between the brick bodies can be conveniently and quickly adjusted, so that the quality of a finished product is improved.

The invention discloses a wing angle upwarp reinforcing method for prolonging the service life of a dense eave type brick tower eave, and relates to the technical field of ancient building protection and repairing, and the method comprises the following steps: laying ten layers of lower stacked unsmooth bricks above a lower layer Boron ridge, outwards picking each layer for 70mm, and carrying out upwarp reinforcing on the lower layer Boron ridge; the thickness of mortar joints among the stacked unsmooth bricks is gradually increased by 5mm from the middle part of the tower eave to the wing angles of the tower eave on the two sides, so that the wing angles of the tower eave accumulate to form a tilting height of 50mm; wood corner beams are inserted into the tower body at the wing corner positions of the tower eave in an inclined manner by 10 degrees, and each wood corner beam is of a double-layer cross section structure; three layers of upper stacked unsmooth bricks are built with the wood corner beams as starting points, each layer is inwards retracted by 70 mm, the thickness of mortar joints between the stacked unsmooth bricks is gradually increased by 5 mm from the middle of the tower eave to the upturned corners of the tower eave, and the upturned corners of the tower eave further accumulate the upturned height of 50 mm; laying a reinforcing mesh on the top of the upper stacked astringent brick, and covering the plate tile; and the core requirements of reinforcing and repairing the dense eave type brick tower eave and prolonging the service life can be met.

The utility model provides a masonry mortar laying device which comprises two frames, clamping plates arranged on the inner sides of the frames and a connecting rod used for connecting the two frames, the two frames are movably connected with the connecting rod, the two frames are clamped on a masonry body, and the two frames are connected with the connecting rod. The distance between the two frames corresponds to the thickness of the masonry body; and the clamping plate is in lap joint with the masonry body. By means of the mortar paving device, the problems that due to the fact that an operator paves mortar manually, the masonry flatness does not meet the requirement, the mortar joint thickness is uneven, and the mortar joint is not full can be solved.

This utility model discloses an auxiliary device for controlling masonry mortar joints, relating to the field of building construction. It includes an L-shaped frame, with a filling groove one and a filling groove two respectively provided at the bottom and sides of the L-shaped frame. Extension plates are fixedly connected to both sides of the L-shaped frame along its length to receive concrete. A leveling mechanism is fixedly connected to the extension plates to level the concrete in the filling groove one and filling groove two. The advantages are: the filling groove one at the bottom and the filling groove two on the side of the L-shaped frame can stably control the mortar joint thickness, significantly improving accuracy compared to traditional manual construction. The extension plates and guide plates form a closed spreading space, and the mortar is laterally constrained within the filling grooves, increasing the mortar filling rate inside the mortar joint during spreading. Overflowing mortar is collected by the extension plates, preventing contamination of the wall surface.

The application relates to the technical field of building construction, in particular to a masonry mortar joint thickness control device and method. The masonry mortar joint thickness control device comprises: two clamping plates which are arranged in parallel and at intervals; and two clamping drive mechanisms which are arranged at two ends of the clamping plates respectively, and the two ends of the two clamping drive mechanisms are connected with the two clamping plates respectively so as to drive the two clamping plates to approach each other; and two mortar joint adjusting mechanisms which are arranged on the two clamping drive mechanisms one by one so as to adjust the distance between the upper surfaces of the two clamping plates and the masonry. The application has the effect of precisely controlling the thickness of the mortar joint.

This utility model provides a mortar joint grouting device, relating to the field of masonry technology. The device includes a handle and a grouting head. The grouting head is fixed to one end of the handle for grouting mortar joints. Two curved grooves are formed on the outer surface of the handle, located on the upper and lower sides respectively, allowing for easy control of the handle when gripped. One end of the handle is equipped with a leveling component for smoothing protruding mortar on the wall surface. The grouting head includes a flat head and a curved head. The outer surface of the flat head is triangular, with the inclined side located on the lower side of the handle. The curved head is fixed to the end of the flat head away from the handle, with its curved surface located on the lower side of the handle. This utility model, by using a grouting head composed of a flat head and a curved head, facilitates the creation of flat or recessed joints according to different needs. A guide plate guides out any overflowing mortar from the joints, resulting in a more comprehensive grouting effect and improving the practicality of the device.

This invention discloses a device and its construction process for tying novel terracotta bricks. The device includes a rebar tying assembly and a fixing seat assembly. The rebar tying assembly is fixed to the inner wall body via the fixing seat assembly and can be adjusted vertically via the fixing seat assembly, and can be locked after adjustment to a specified height. The outer end of the rebar tying assembly has a connection hole that matches the vertical rebar on the terracotta brick wall. This invention, through the cooperation of the strip-shaped adjustment hole on the fixing seat assembly and the mechanical anchor bolt, realizes the flexible vertical movement and adjustment of the rebar tying assembly. It can effectively compensate for the cumulative height error and mortar joint misalignment caused by factors such as the error of the brick gauge marking, uneven mortar thickness, brick size deviation, and the difference in specifications between the terracotta bricks and other types of blocks on the inner side during construction. This ensures that the galvanized tie plate used for tying is always precisely aligned with the terracotta brick mortar joint, which not only guarantees the aesthetics of the curtain wall but also enhances the reliability of the tying.

The utility model discloses an autoclaved aerated concrete block construction structure which comprises a grouting machine, a grouting hose, a plurality of burr one-time forming baffles and a pre-jacking back pressure device. The grouting hose is laid in a gap between the adjacent building blocks, the first end of the grouting hose is connected with the output end of the grouting machine, the other ends of the grouting hose are closed, and a plurality of grout overflow holes are formed in the side wall of the grouting hose; the multiple burr one-time forming baffles are arranged around the side face of the building block wall face. The acting end of the pre-jacking and back-pressing device is connected with the top of the building block wall face, and the fixed end of the pre-jacking and back-pressing device is connected with a fixed building. Brick joints are directly filled with the adhesive of the autoclaved aerated concrete masonry through a grouting method, so that the operation time of manually paving the special adhesive is shortened; and mortar joints are filled with the adhesive of the autoclaved aerated concrete masonry through the plastic grouting pipe, so that the fullness requirement of the mortar joints is met.

The application provides a masonry pointing construction device, and relates to the technical field of pointing construction. The masonry pointing construction device comprises a mounting seat, a pointing component and a joint wiping component. The pointing component and the joint wiping component are provided in several groups and are distributed in a staggered manner. The mounting seat is located on one side of the pointing component and the joint wiping component. A reversing component is mounted on the mounting seat. The pointing component and the joint wiping component are both mounted on the reversing component. The reversing component is used for reversing the pointing component and the joint wiping component. The reversing component comprises several displacement adjusting components. The pointing component and the joint wiping component are convenient to reverse. The pointing component and the joint wiping component can be quickly aligned with the mortar joints by the construction personnel. The construction device can point and wipe multiple mortar joints at a time. The pointing and wiping effects of the multiple mortar joints are consistent. The working efficiency is improved, and the labor cost is saved.

The utility model provides a device for ensuring brick masonry mortar joint quality, including: side beam (1), side beam (1) are opposite each other, connecting rod (2), connecting rod (2) are connected respectively in the end and the middle part between two side beams (1), handle (3), handle (3) are connected symmetrically in the both sides of two side beams (1), wherein, the lower part of connecting rod (2) is equipped with a plurality of scraping tooth (21). The utility model discloses through setting the positioning member (12) can guarantee the height consistency when paving mortar, does not produce the floor ash, sets up the scraping tooth (21) can be quickly buried in the wall muscle in the process of laying, reduces the material waste, improves the operation rate, guarantees the quality of mortar joint in the process of piling, increases the strength of the piling building body.

The utility model relates to the technical field of building walls, and particularly discloses a wall with a metal wire mesh structure, which comprises a metal wire mesh A, a wall structure and a metal wire mesh B. The metal wire mesh A and the metal wire mesh B are attached to the left side and the right side of the wall structure, and the wall structure is formed by stacking a plurality of building blocks. A connecting column A is detachably arranged on the side, facing the wall body structure, of the metal wire mesh A, a connecting column B is detachably arranged on the side, facing the wall body structure, of the metal wire mesh B, the connecting column A is embedded into a mortar joint of the wall body structure, the connecting column B is connected with the connecting column A in an embedded and matched mode, the connecting column A comprises a sleeve and a grabber A, and the connecting column B comprises a plug column and a grabber B. According to the technical scheme, the two metal wire meshes are tightly attached to the surface of the wall body structure through interference fit of the connecting columns on the two sides of the wall body structure, the connecting columns can be embedded in the building process of the wall body structure, then the metal wire meshes are pulled and fixed through the hooks, and the situation that the original structure of the wall body is damaged when the metal wire meshes are installed subsequently is avoided.

This invention relates to a construction and design method for a tensioned masonry wall reinforcement structure, comprising L-shaped steel plates embedded and fixed in the mortar joints at the four corners of one side of the masonry wall; two L-shaped steel plates are connected by high-strength steel wires; the ends of the high-strength steel wires are tightened and fixed to the L-shaped steel plates by steel wire rope lock heads; a polymer mortar surface layer is applied to one side of the masonry wall and covers the L-shaped steel plates and high-strength steel wires; this invention utilizes the combination of high-strength steel wires, L-shaped steel plates, and polymer mortar to improve the lateral bearing capacity and seismic performance of the masonry wall, significantly improving the overall stability of the masonry wall; the single-sided non-destructive reinforcement method avoids damage to the original masonry wall structure and maintains the original building appearance, meeting the needs of historical building restoration.

The invention provides a small connecting box for tying plain round steel bars of a self-heat-preservation system. The small connecting box comprises a box body, a box cover and a height difference pad body. A plurality of steel bar groove bodies are formed in the box body and the box cover and penetrate through the end faces of the two sides of the box body and the end faces of the two sides of the box cover respectively. One ends of the two sections of steel bars are embedded in mortar joints of the inner leaf wall and the outer leaf wall respectively, the other ends of the two sections of steel bars are inserted into the two steel bar grooves respectively, the box cover covers the box body in a matched mode to form a connecting box body, and the other ends of the two sections of steel bars are connected through the connecting box body; and the height difference pad body is embedded in the steel bar groove body, so that the two sections of steel bars are horizontally tied between the connecting box main body and the inner wall and between the connecting box main body and the outer wall respectively. The invention relates to the technical field of building facade construction, and can solve the problems that in the prior art, two sections of reinforcing steel bars are staggered and cannot be accurately butted, the reinforcing steel bar welding amount is large, and a conventional sleeve is not suitable for plain round reinforcing steel bar threading.

The utility model relates to a kind of building structure filler wall masonry pointing tool, it is related to building engineering technical field, including bottom plate, bottom plate lower surface is welded with pressure joint bar in the middle axis of front-back direction, filler extrusion mechanism is welded on the bottom plate where the front end and / or rear end of pressure joint bar, the filler extrusion mechanism is used with pressure joint bar, the center of bottom plate upper surface is welded with vertically arranged support rod, support rod top is welded with handle.The new type can effectively overcome the problem of poor pointing quality caused by uneven distribution of filler in mortar joint, the new type is simple in structure, easy to use, and improves the aesthetics of pointing while ensuring the pointing effect.

The invention discloses a high-purity shaft kiln composite insulation masonry process and a heat energy loss control method, comprising the following steps: A, matrix treatment and paying off: derusting and cleaning the inner wall of a shaft kiln steel shell, spraying an anti-rust heat-resistant primer, and accurately paying off concentric circle datum lines and elevation lines of each layer of masonry on the steel shell according to a design drawing; b, constructing a backing layer and a buffer layer, namely annularly constructing the light heat-insulating backing layer from bottom to top, during construction, enabling each ring of bricks to be flat, enabling mortar joints to be full and less than or equal to 2mm, paving a ceramic fiber compressible buffer layer on the inner surface of the light heat-insulating backing layer after the light heat-insulating backing layer is constructed to a certain height, and temporarily fixing by using a special staple bolt or a binder to ensure that the light heat-insulating backing layer is flat and the mortar joints are tight. The ultra-low heat loss is achieved, specifically, the gradient composite structure (compact-micropore-nanometer-fiber-light) achieves all-around efficient blocking of conduction, radiation and convective heat transfer, and the comprehensive heat dissipation loss of the kiln wall is reduced by 40%-60% compared with a traditional structure.