645results about "Surface layering apparatus" patented technology

The invention relates to the field of functional building materials, and discloses a preparation process of a building backing plate and a product. The invention discloses a preparation process of a building backing plate. The preparation process comprises the following steps: S1, cutting an extruded sheet, and flattening the surface of the extruded sheet; s2, placing fiber gridding cloth on one surface of the extruded sheet, coating the fiber gridding cloth with an interface treating agent, and shaping; s3, the surface of the fiber gridding cloth is coated with mortar emulsion, and drying is conducted; s4, turning over, placing fiber gridding cloth on the other surface of the extruded sheet, coating the fiber gridding cloth with an interface treating agent, and shaping; and coating the mortar emulsion on the surface of the fiber gridding cloth, drying and maintaining to obtain the building backing plate. The preparation process is simple and easy to operate, and the prepared building backing plate has good water resistance, moisture resistance, heat insulation, sound insulation and flame retardance, is not prone to separation and cracking after being used for a long time, and is suitable for humid environments such as toilets or kitchens.

A production apparatus of an electrode active material layer, comprising: a support unit; a feeding unit feeding prescribed granulated particles on or above the support unit; a first conveying unit; a squeegee unit; a first stock guide; a second stock guide; a first position measurement unit; a second position measurement unit; a rolling unit; a first gap adjustment unit; a second gap adjustment unit; and a control unit. The first position measurement unit measures a distance D1. The second position measurement unit measures a distance D2. The control unit causes the first gap adjustment unit to adjust a gap G1 based on a difference between the gap G1 obtained based on the distance D1 and a gap threshold T1 and causes the second gap adjustment unit to adjust a gap G2 based on a difference between the gap G2 obtained based on the distance D2 and a gap threshold T2.

A pretreatment mixing and stirring device includes a cylindrical housing having a top plate, a bottom plate arranged to oppose to the top plate, a side plate arranged between the top plate and the bottom plate, and a mixing and stirring region where a calcined gypsum and an additive are mixed and stirred in an interior surrounded by the top plate, the bottom plate, and the side plate, a disk-shaped rotating plate arranged inside the housing, a rotating drive shaft, penetrating the top or bottom plate, and coupled to the rotating plate, a calcined gypsum supply port, arranged in the top plate, and supplying the calcined gypsum to the mixing and stirring region, and an additive supply port, arranged in at least one of the top and side plates, and supplying the additive to the mixing and stirring region.

The present invention relates to a crucible forming device and a crucible forming method, and relates to the technical field of metal smelting. The main technical solution adopted is as follows: a crucible forming device is used to prepare a formed layer covering the outer wall of the crucible body outside the crucible body so that the crucible is adapted to the heating coil of the smelting equipment; wherein, the crucible forming device includes a mold; the mold is provided with a mold cavity for accommodating the crucible body; wherein, when the crucible body is placed in the mold cavity, a set gap for filling the forming material is left between the cavity wall of the mold cavity and the crucible body; wherein, after heating the mold containing the crucible body and the forming material, the crucible with the formed layer is obtained by demolding. The present invention is mainly used to shorten the time for replacing the crucible on the smelting equipment and improve the production efficiency of metal materials.

The invention belongs to the technical field of prefabricated concrete drainage pipe production, and provides a prefabricated concrete drainage pipe with a corrosion-resistant concrete structure layer and a manufacturing method of the prefabricated concrete drainage pipe. The prefabricated concrete drain pipe comprises a corrosion-resistant concrete structure layer and a concrete pipe body, the raw materials of the corrosion-resistant concrete structure layer comprise a corrosion-resistant mortar material and fibers; the corrosion-resistant mortar material comprises cement, an active admixture, fine aggregate, an additive and water. The manufacturing method comprises the following steps: producing the corrosion-resistant concrete structure layer in advance, and then pouring the corrosion-resistant concrete structure layer and the concrete pipe body into a whole; or the corrosion-resistant concrete structure layer is poured on the inner wall of the produced concrete pipe body. The corrosion resistance of the corrosion-resistant concrete structure layer is improved by 10-100 times compared with that of a common concrete layer used by the pipe body; the material property of the corrosion-resistant concrete structure layer and the pipe body are both cement-based materials, the corrosion-resistant concrete structure layer and the pipe body material can achieve common bearing well, the separation problem caused by aging and material difference does not exist, and the excellent durability is achieved.

The present invention is directed to a gypsum board and a method of making such gypsum board. For instance, the gypsum board comprises a gypsum core, a first facing material, and a second facing material wherein the first facing material and the second facing material sandwich the gypsum core. The gypsum core comprises a first gypsum core section and a second gypsum core section each comprising gypsum, wherein the first gypsum core section comprises a polyol compound and has a density higher than a density of the second gypsum core section.

The invention relates to the technical field of transformer processing, and particularly discloses an auxiliary processing device for external insulation of a voltage-sharing ball of a transformer. Comprising a frame-shaped sliding plate, the inner wall of the frame-shaped sliding plate is fixedly connected with a driving motor, a driving shaft of the driving motor penetrates through the frame-shaped sliding plate and is fixedly connected with a threaded long rod, the outer side of the threaded long rod is sleeved with and in threaded connection with a threaded sleeve block, one side of the threaded sleeve block is fixedly connected with an annular electric sliding rail, and the inner side of the annular electric sliding rail is rotationally connected with a curved annular plate; the auxiliary processing device comprises a curved annular plate, one side of the curved annular plate is fixedly connected with a bearing circular ring, and one side, far away from the curved annular plate, of the bearing circular ring is fixedly connected with an annular plastic pad, and the annular plastic pad made of an elastic rubber material is arranged on one side of the bearing circular ring and is in direct contact with the surface of the voltage-sharing ball of the transformer; and certain abrasion of the surface of the voltage-sharing ball of the transformer caused by difficulty in force control when the bearing circular ring made of a hard material pushes and presses the voltage-sharing ball of the transformer is prevented.

The purpose of the present invention is to develop a technology that can be applied to an actual continuous manufacturing process of gypsum boards, and that can effectively suppress wrinkles occurring in a base paper constituting a gypsum board product obtained by a gypsum board manufacturing method by a simple method without using chemical substances. Provided is a technique whereby a gypsum board having excellent quality can be stably manufactured with good yield. Provided is a method for manufacturing a gypsum board, the method comprising a step for forming a plate-like laminate in which a gypsum material layer is laminated between an upper sheet and a lower sheet of a base paper for a gypsum board, and conveying the plate-like laminate at the same time. The process comprises the following steps: arranging lower paper on a running conveying forming belt, continuously pouring gypsum slurry serving as a raw material of a gypsum material layer on the conveyed lower paper, and forming a plate-shaped laminated body by laminating upper paper on the gypsum slurry by using a forming machine, the plate-shaped laminated body is conveyed to the rough cutting machine by using the conveying molding belt, and water is sprayed or coated on the paper at a position between the arrangement part of the molding machine and the arrangement part of the rough cutting machine and at a position 1 / 4 of the position between the arrangement part of the molding machine and the arrangement part of the rough cutting machine or at a position closer to the side of the molding machine than the 1 / 4 position.

The invention provides a composite material blade, a forming combined mold and a preparation method. The composite material blade comprises an upper outer layer, a lower outer layer, an inner continuous layer and a filling area, the forming combined mold is used for preparing the composite material blade and comprises a core mold, a cushion layer block, an outer compaction block and a filling strip, and the preparation method comprises the following steps that the outer surface of the core mold is laid with a composite material layer, mold pressing shaping is conducted, and the inner continuous layer is prepared; paving a composite material layer outside the inner continuous layer, and carrying out mould pressing and shaping to prepare one of an upper outer layer and a lower outer layer; paving a composite material layer at the joint of one of the upper outer layer or the lower outer layer and the inner continuous layer, and carrying out mold pressing shaping to prepare a filling area; and paving a composite material layer on the outer sides of the filling area and the inner continuous layer, and carrying out mold pressing shaping to prepare the other one of the upper outer layer and the lower outer layer. According to the method, the composite material blade with good internal densification quality and internal and external molded surface size precision can be simply and efficiently prepared.

Provided are a silica ceramic material, a ceramic foam filter, and a preparation method and use of the ceramic foam filter. The silica ceramic material includes a ceramic powder and an auxiliary material, where the ceramic powder includes the following components by mass percentage: 40% to 80% of silica, 8% to 30% of alumina, and 8% to 30% of silicon carbide; and the auxiliary material includes a binder and a dispersing agent: a mass of the binder accounts for 1% to 5% of a mass of the ceramic powder, and a mass of the dispersing agent accounts for 0.5% to 1% of the mass of the ceramic powder.

A method and apparatus to manufacture gypsum board that directs an aqueous gypsum slurry to a second cover sheet, and passes the second cover sheet over a roller spaced above a first cover sheet so that a majority of the aqueous gypsum slurry of falls off the second cover sheet to deposit over the first cover sheet. Another aqueous gypsum slurry of a different density than the deposited slurry is applied over the first cover sheet before and / or after the deposited slurry. A gypsum board having layers of different densities is made by the method and apparatus.

A nodular cast iron jacking pipe outer wall rapid forming production device comprises a chassis, a motor base and a demolding hydraulic cylinder are installed on the chassis, a driving motor is installed on the motor base, a driving gear is arranged at the output end of the driving motor and meshed with the side edge of a mold, and the lower portion of the mold is arranged on the chassis. A vibrator is installed on the outer wall of the mold, the demolding hydraulic cylinder is located in the middle of the upper portion of the chassis, a pipe body positioning disc is installed at the top end of the demolding hydraulic cylinder, a pipe body tray is arranged on the pipe body positioning disc, the side edge of the upper portion of the pipe body tray abuts against the bottom of the cast iron pipe body, and a disc pressing mechanism is arranged above the cast iron pipe body. The device has the advantages that demolding operation can be conducted after pouring is completed, the production efficiency of nodular cast iron jacking pipe outer wall concrete can be greatly improved, continuous production can be achieved only through one set of molds of the same specification, the mold utilization rate is greatly increased, the jacking pipe production efficiency is improved, and the daily output of the same specification depends on the number of pipe body trays.

The invention discloses a preparation method of a carbon-ceramic brake disc, and relates to the technical field of automobile braking. Comprising the following steps that carbon fibers are woven to form carbon fiber woven cloth; carbon powder, ceramic powder, liquid resin and alcohol are mixed in proportion to form flowing slurry, and the surface of the carbon fiber woven cloth is evenly covered with the slurry in a spraying mode; drying the carbon fiber woven cloth subjected to slurry spraying through a drying oven, and removing a solvent on the surface of the carbon fiber woven cloth slurry; stacking the dried carbon fiber woven cloth in a layering and stacking manner, and heating, pressurizing, curing and forming in a hot press; then carrying out carbonization treatment; then surface punching treatment is conducted, meanwhile, carbon fiber filaments are made into carbon rods in the mode that the surfaces of the carbon fiber filaments are brushed with resin, and the manufactured carbon fiber filament carbon rods are used for conducting pin treatment on the carbonized punched product; carrying out dipping carbonization treatment on the product subjected to pin treatment; and the impregnated and carbonized product is subjected to machining treatment and then siliconizing.

A top-down construction type assembly construction method for paved road surface, including the following steps: step I, manufacturing prefabricating slabs: using a top-down method to manufacture the prefabricating slabs, and providing bolt sleeves, inside the prefabricating slabs, which are evenly arranged in the prefabricating slabs; step II, mounting the prefabricating slabs: on a lower bearing plate, placing the prefabricating slabs in one step, performing a fine tuning on a position and an altitude of the prefabricating slabs, performing a grouting construction, finally forming the paved road surface; the prefabricating slabs are manufactured by laying bricks and pouring concrete, the prefabricating slabs are rolled over and mounted, thus eliminating on-site concrete bonding between bricks and the lower bearing plate, improving overall stability of the bricks and the prefabricating slabs after being mounted, assembled mounting for a paved road surface is implemented, and the construction period is shortened.

An aspect that includes a method for constructing a wall. The method includes placing a plane of insulation (1) at the location for the wall. Applying a layer of cladding (2) on a side of the plane of insulation (1). The method further includes forming a concrete wall structure (3) on an opposite side of the plane of insulation (1) such as by in situ placing a cementitious material against the plane of insulation (1). Another aspect includes an apparatus for constructing a wall. A third aspect includes a system for constructing a wall. A fourth aspect includes an admixture composition.

The invention discloses an energy-saving building material processing and forming mold for hydraulic engineering, and relates to the technical field of energy-saving building material production. The die assembly comprises a plurality of die cavities formed in the top of the base, pressing blocks arranged above the die cavities correspondingly, linkage blocks arranged above the pressing blocks correspondingly and a lifting assembly used for driving the linkage blocks to ascend and descend synchronously. The combined exhaust mechanism comprises a plurality of exhaust channels formed in the pressing block, an elastic assembly arranged between the pressing block and the linkage block and a plurality of exhaust anti-blocking integrated assemblies installed at the bottom of the linkage block. Air in gaps of fly-ash brick raw materials is gradually exhausted, the problem that the forming quality of the fly-ash brick is influenced by air holes existing in the fly-ash brick after compression forming is avoided, the raw materials entering the exhaust channel are extruded out through the flattening block, the top of the fly-ash brick is flattened, and the problem that the surface of the fly-ash brick after forming is uneven and later use is influenced is solved.

The present application relates to the technical field of building construction, in particular to a prefabricated cast-in-place cavity wall and a construction method. A prefabricated cast-in-place cavity wall comprises: a wall body; a plurality of panel connecting structures, wherein the plurality of panel connecting structures are arranged at least at corners of the wall body, and each panel connecting structure has an accommodating space suitable for inserting a corner of a functional panel therein; the functional panel, wherein a corner of the functional panel is inserted into the accommodating space of each panel connecting structure so as to be fixed. The present application provides a prefabricated cast-in-place cavity wall and a construction method, which facilitates the installation of functional panels, has a high construction efficiency, and reduces the risk of water leakage.

The invention discloses a polymer cement-based repairing material for stone sculptures and a repairing method of the polymer cement-based repairing material, and belongs to the technical field of cultural relic repairing. The repairing material is prepared from the following components in parts by mass: 50 to 70 parts of PO.42.5 ordinary Portland cement, 20 to 30 parts of water, 5 to 15 parts of calcined kaolin, 0.03 to 1 part of nano silicon oxide, 1 to 3 parts of nano calcium carbonate, 0.01 to 0.03 part of organic silicon defoaming agent, 0.01 to 0.04 part of surfactant and 2 to 10 parts of vinyl acetate-ethylene copolymer. The polymer cement-based repairing material prepared by the invention can realize high bonding strength on a stone matrix and reversible removal at the same time. The polymer repairing material is simple in preparation process and green and environment-friendly in production, and has a wide application prospect in the field of repairing of cultural relics such as stone sculptures and the like.

The invention relates to a fireproof thermal insulation hydrophobic decoration integrated composite wallboard and a preparation method thereof, and the composite wallboard is prepared from the following raw materials in parts by mass: 700-800 parts of calcined gypsum powder, 0.1-1.0 part of a retarder, 0.3-0.5 part of a foaming agent, 50-70 parts of inorganic fibers, 600-700 parts of water, 200-400 parts of a binder, 20-30 parts of a hydrophobic agent, 3-5 parts of an acid agent and 3-5 parts of a pH regulator. The fireproof, heat-insulating, hydrophobic and decorative integrated composite wallboard provided by the invention is light in weight, small in thickness and good in heat-insulating and fireproof effects, and the whole wallboard has hydrophobicity; and the decorative layer and the wallboard are integrated, so that the construction is convenient, and the installation cost is low. The preparation method has the advantages of simple construction process, high installation efficiency, wall weight reduction and the like, so that the application effect and stability of the building partition wall are improved.

The invention provides a forming method and a forming device for a high-temperature-resistant hollow leading edge structure. According to the forming method, a V-shaped structure prefabricated body, an H-shaped structure prefabricated body, a flat plate structure prefabricated body, a corresponding V-shaped structure forming mold, a corresponding H-shaped structure forming mold and a corresponding flat plate structure forming mold are assembled to form a plurality of combined molds; the method comprises the following steps: firstly, preparing a plurality of combined molds, then performing densification treatment on the plurality of combined molds by adopting a precursor impregnation cracking process, then removing the molds, processing, preparing a coating on the surface of a component to obtain a V-shaped structure, an H-shaped structure and a flat plate structure, and finally assembling the V-shaped structure, the H-shaped structure and the flat plate structure to form the hollow front edge structural component. According to the method, preparation of the hollow leading edge structural member made of the carbon fiber reinforced ceramic matrix composite can be achieved, mold removal is convenient, and the mold can be repeatedly used.

The invention provides a sawdust concrete prefabricated wallboard, a preparation device and a preparation method. The sawdust concrete prefabricated wallboard comprises a sandwich wallboard, the sandwich wallboard comprises an outer wood chip concrete board, a concrete layer and an inner wood chip concrete board; a plurality of tie connecting pieces are arranged in the sandwich wallboards; a decorative surface is arranged on the outer surface of the outer wood chip concrete plate; and a reinforcing mesh is laid in the concrete layer. In the invention, the wood chip concrete plates are used as the wallboards on the inner side and the outer side, are light in weight, are connected with the concrete layer more firmly, are provided with decorative surfaces, and have the characteristics of being good in sound insulation effect, convenient to construct, fast in construction progress, high in strength, not easy to damage, capable of saving construction cost and the like. In addition, the invention further provides a preparation device and a preparation method of the wood chip concrete prefabricated wall panel, the preparation device is matched with the preparation method, the wood chip concrete prefabricated wall panel is integrally formed, high connection strength is achieved, and a stable sound insulation structure is formed.

The present application provides an inflatable rubber tire, a frame and a plugging device for cast pipe lining. The inflatable rubber tire includes: a rubber tire body, an inflation nozzle, a pulling ring and at least one vent. The frame includes an L-shaped component, a T-shaped component and a fender. The plugging device includes an inflatable rubber tire and a frame. When the frame and the inflatable rubber tire are used in conjunction with cast pipe lining, the coating on the inner wall of the end face of the cast pipe can be prevented from being stuck off, and the end face angle of the lining layer can be made smaller.

The invention relates to a spiral cavity steel pipe filled with concrete, a machining technology of the spiral cavity steel pipe and machining equipment used for filling the concrete, the steel pipe comprises a pipe body, the pipe body comprises an inner pipe and an outer pipe, the inner pipe is sleeved with the outer pipe at intervals, and therefore a containing cavity is formed between the inner pipe and the outer pipe; the spiral ring plate is arranged in the containing cavity, the inner circumference of the spiral ring plate is connected with the outer surface of the inner pipe, the outer circumference of the spiral ring plate is connected with the inner surface of the outer pipe, and the containing cavity is divided into a spiral cavity body by the spiral ring plate; the concrete is arranged in the spiral cavity, and the concrete is injected into the spiral cavity from one end of the pipe body in the mode that the pipe body rotates around the axis. According to the concrete filling device, flowing and filling of concrete in the spiral cavity are smoother, the filling efficiency can be improved, bubbles in the concrete can be reduced, hollowing and delaminating phenomena caused by the bubbles are avoided, and therefore the compactness and the overall performance of the concrete are improved.

The invention relates to vacuum auxiliary equipment for filling concrete, the auxiliary equipment is used for auxiliary processing of a spiral cavity steel pipe filled with the concrete, the auxiliary equipment is located at the other end, deviating from filling equipment, of the steel pipe, and the auxiliary equipment comprises a pipeline assembly and a vacuum pump assembly, comprising a vacuum tube communicated between the outside and the spiral cavity, and one end of the vacuum tube is connected to the exhaust and drainage port; and the vacuum pump is connected with the other end, far away from the gas and water discharging opening, of the vacuum pipe, and the vacuum pump is used for discharging gas in the spiral cavity. The auxiliary equipment and the concrete conveying device are installed at the two ends of the steel pipe body respectively, mutual interference between the auxiliary equipment and the concrete conveying device is avoided through the layout design, and in the vacuum auxiliary filling process, the removal efficiency of bubbles and water in concrete is remarkably improved through the negative pressure effect; the negative effects of bubbles and water seepage on the strength and durability of the concrete structure are reduced.

The utility model discloses a nonmetal sound barrier unit plate which comprises a plurality of cement-based sound absorption panels arranged in parallel, a pouring inner mold is arranged on the back side face of each cement-based sound absorption panel, and a back cavity is defined by the pouring inner molds and the cement-based sound absorption panels. Concrete pouring structures are arranged on the periphery of each cement-based sound absorption panel and the pouring inner mold and the back side face of the pouring inner mold, the concrete pouring structures located on the back side face of the pouring inner mold form a back plate, and the concrete pouring structures located between the adjacent cement-based sound absorption panels and the pouring inner mold form joints. The concrete pouring structures located on the outermost peripheries of all the cement-based sound absorption panels and the pouring inner mold form side plates, and reinforcing steel bars are arranged in the side plates in the length direction and the height direction of the unit plates correspondingly. The nonmetal sound barrier unit plate has the advantages of being safe and reliable in structure and excellent in sound absorption and insulation performance and mechanical performance.

The invention relates to the technical field of ceramic tile production, in particular to a ceramic tile surface slurry dripping system which comprises a transmission module, a detection module, a moving module, a control module and a slurry dripping module. The transmission module is used for driving tiles to horizontally move; the detection module is used for acquiring video information and position information of tiles and inputting the video information and the position information into the control module; the moving module is used for driving the slurry dripping module to move; the control module is used for receiving the video information and the position information and analyzing the angle and the moving speed of the ceramic tile according to the video information. The flow of the slurry is controlled according to the moving speed of the ceramic tile, the slurry dripping module enables the slurry to flow on the surface of the ceramic tile, after the surface of the slurry is dried and solidified, a certain buffering effect can be achieved, the slurry is not prone to sliding off from the surface of the ceramic tile, the ceramic tile does not need to be clamped when being carried, the ceramic tile can be carried only by being lifted up, and the corners of the ceramic tile are prevented from being damaged. And the ceramic tiles are damaged, so that the ceramic tiles can be protected.

The invention relates to the technical field of gypsum board production, in particular to a gypsum board forming device and a forming machine, the gypsum board forming device comprises a feeding plate, an extrusion plate, a connecting assembly and an adjusting mechanism, and the feeding plate is used for conveying surface protection paper; the extrusion plate is arranged on the output side of the feeding plate and is used for extruding the surface protection paper and the gypsum slurry; the connecting assembly is arranged between the feeding plate and the extrusion plate and is used for elastically connecting the feeding plate and the extrusion plate; the adjusting mechanism is arranged on the extrusion plate, elastically connected with the feeding plate and used for enabling the feeding plate to move in the preset direction, and the preset direction is the height direction of the extrusion plate. The feeding plate is fixed through the extrusion plate, the device is suitable for extruding gypsum boards with different thicknesses, and the position of the feeding plate can be quickly and finely adjusted when defective products (the surface of surface protection paper of the gypsum board is wrinkled or broken) occur, so that the tension of the surface protection paper is adjusted according to the characteristics of slurry and the characteristics of the surface protection paper, and the production efficiency is improved. And the surface protection paper on the surface of the gypsum board is kept flat.

Provided are: a silicon nitride substrate produced by excellent lamination of green sheets; and a method for producing the same. The silicon nitride substrate according to one embodiment, when observed in cross section in a dark field of an optical microscope, includes a main layer and an intermediate layer that is darker than the main layer. The colour difference between the main layer and the intermediate layer is 0.1 or more. In the thickness direction, m+1 main layers and m intermediate layers are alternately arranged. The colour difference between the n-th (n is an integer) main layer and the n-th intermediate layer from one surface is defined as CDna. The colour difference between the (n+1)-th main layer and the n-th intermediate layer is defined as CDnb. A first condition and a second condition are satisfied with any value for n of 1 to m. The first condition is that, in a first direction parallel to the cross section and perpendicular to the thickness direction, a region where 0.1 ≤ CDna ≤ 1.4 is present over a range of 100 μm or more. The second condition is that, in the first direction, a region where 0.1 ≤ CDnb ≤ 1.4 is present over a range of 100 μm or more.

This invention discloses a prefabricated fireproof and thermally insulated sandwich wall panel and its manufacturing method. The key technical points are: the prefabricated fireproof and thermally insulated sandwich wall panel includes an inner concrete leaf wall, a sandwich insulation layer, and an outer leaf wall panel, wherein the sandwich insulation layer is located between the inner concrete leaf wall and the outer leaf wall panel. This invention achieves integrated structural, thermal insulation, and decorative functions; reduces weight by more than 20% while maintaining the same energy-saving effect; improves energy-saving performance by more than 30% under the same thickness conditions; effectively reduces the thermal bridging effect of the exterior wall panel; and improves the fire resistance limit of prefabricated components under fire or high-temperature conditions.