9results about How to "Improve thermal insulation" patented technology

The invention discloses a fiber foamed concrete and a preparation method thereof. The fiber foamed concrete comprises the following raw materials in parts by weight: 5290 parts of cement, 4965 parts of water, 1.361 part of foaming solution, 1.2964 part of fly ash and 10 parts of fiber. The preparation method comprises the following steps: proportionally weighing the components; sequentially adding the cement and fly ash into a stirrer, proportionally weighing the water, uniformly stirring the mixture by the stirrer, and adding the fiber; preparing and adding the foaming solution; gradually adding the foam into the mixture, and continuously stirring until all the components are uniformly mixed; pouring the mixture into a mold on which lubricating oil is brushed, and curing in a curing chamber; after 24 hours, removing the mold; and respectively curing for 3 days, 7 days and 28 days for experimental detection. The fiber foamed concrete has the advantages of favorable thermal insulation property, favorable compression resistance and favorable bending resistance, and is applicable to a railway bed strengthening layer.

This utility model discloses a biomass thermal energy storage and heating device, relating to the field of thermal energy storage technology. It includes a tower body with an air outlet, a water return inlet, an air inlet, and a water return outlet at its upper and lower ends, respectively. The air outlet and air inlet are vertically aligned, as are the water return inlet and water return outlet. The tower body is equipped with layered partitions that divide the interior into multiple filling cavities. Each filling cavity is filled with a heat-storing medium. Each filling cavity also has vertical partitions, with multiple partitions dividing the filling cavity into multiple non-connected areas. By dividing the filling cavity into multiple areas through these partitions, this utility model allows for the simultaneous introduction of air and water for heat exchange without mutual interference, thus achieving simultaneous heat storage and release. This makes it more convenient to use and provides better heat storage and heating effects.

The application relates to a turnover beam and a double-door refrigerator, the turnover beam comprising a front cover, a middle cover and a rear cover, the middle cover being arranged between the front cover and the rear cover and being connected and sealed with the front cover and the rear cover respectively; and along the thickness direction of the turnover beam, a first vacuum layer is enclosed between the front cover and the middle cover, and a second vacuum layer is enclosed between the middle cover and the rear cover. The turnover beam can be heat-insulated by the first vacuum layer and the second vacuum layer, so that the turnover beam of the application adopts double-layer vacuum layers for heat insulation, so that the turnover beam has good heat-insulating and protecting performance, so that the loss of cold energy of the turnover beam applied to the double-door refrigerator can be reduced, and the risk of condensation during use of the turnover beam can be reduced.

This utility model discloses a fully prefabricated integrated decorative wall panel, including a wall panel body. Steel channels are attached to the top and bottom of the wall panel body, and side grooves are attached to the side walls of the wall panel body. A positioning mechanism is provided on the outer wall of the wall panel body. The positioning mechanism includes a first loading groove, a magnetic strip, a second loading groove, and a magnetic block. The first loading groove is respectively located at the top and bottom of the wall panel body, and steel channels are attached to both the top and bottom of the wall panel body. This utility model relates to the field of building engineering technology. This fully prefabricated integrated decorative wall panel, through the cooperation of the first loading groove, magnetic strip, second loading groove, and magnetic block, achieves the reduction of wall panel displacement caused by self-drilling wire vibration through magnetic force, keeping the deviation within a controllable range. This not only ensures the flatness and verticality of the wall surface but also increases the overall sealing effect of the wall surface, thereby improving the service life of the integrated decorative wall panel.

The utility model discloses an integrated heat preservation board relates to heat preservation board technical field, including heat preservation board body, heat preservation board body top surface fixedly connected with T type plug -in board, T type plug -in board is provided with three groups, and heat preservation board body bottom is provided with T type insertion cavity groove, and T type insertion cavity groove sets up three groups, and T type insertion cavity groove and T type plug -in board correspond with each other and mutually match, and T type plug -in board and T type insertion cavity groove slidingly connect, and heat preservation board body one side fixedly connected with second mounting block, and heat preservation board body other side fixedly connected with first mounting block, and this setting is through adding positioning mechanism on heat preservation board body, and the user is fixed between the individual heat preservation board body assembly, simultaneously when transporting batch heat preservation board body, and the operator can limit fixed between two heat preservation board bodies through positioning mechanism in advance, so that batch heat preservation board body can be stably placed on the transport car, and the user is convenient to batch heat preservation board body transportation.

This invention specifically relates to a thermal insulation fabric and its preparation method. The thermal insulation fabric comprises the following raw materials in parts by weight: 70-90 parts of ethylene-vinyl acetate copolymer, 2-12 parts of polyethylene, 3-10 parts of polyolefin elastomer, and 3-10 parts of thermoplastic polyurethane, or further comprising 4-10 parts of ethylene propylene diene monomer (EPDM) rubber, 6-12 parts of foaming agent, and 0.5-5 parts of additives. For different formulation characteristics, supercritical physical foaming process and chemical foaming process are provided respectively. The supercritical process uses nitrogen and carbon dioxide as foaming agents, which is environmentally friendly and leaves no residue; the chemical foaming process ensures uniform dispersion of components through mixing and refining, and has strong process adaptability.

This invention provides an autoclaved aerated concrete (AAC) block and method for preparing it using phosphogypsum and glass powder. It belongs to the field of bulk solid waste resource utilization technology. It is an AAC block and method that enables large-scale, high-value synergistic utilization of phosphogypsum and glass powder, overcoming the problem of high dependence on natural resources in existing technologies. The product prepared by this method not only realizes the resource utilization of solid waste, but also achieves breakthroughs in key physical properties, with comprehensive advantages of being lightweight, high-strength, and having excellent thermal insulation properties.

The utility model relates to building decoration material technical field, concretely relates to a kind of aluminium veneer and STP vacuum panel composite heat preservation sound insulation radiation-proof fireproof decorative wallboard, it includes: all-aluminum decorative plate, the thickness of all-aluminum decorative plate is 1mm, and it is rectangular outer contour;STP vacuum heat insulation board, the STP vacuum heat insulation board is overlapped and arranged in the side of all-aluminum decorative plate;Radiation shielding layer, the radiation shielding layer is located between all-aluminum decorative plate and STP vacuum heat insulation board.The utility model is optimized structure design, solves the deficiency of existing indoor and outdoor decoration material in heat preservation, sound insulation, radiation protection, fire prevention and aesthetic aspect, while simplifying construction technology, improve construction efficiency.

This utility model discloses a heat insulation bushing for an automotive engine, comprising: a main body component, the main body component including a heat insulation bushing body. This utility model includes a fixing strap, a fixing seat, a through hole, and a fixing block. The fixing strap wraps around the outer surface of the heat insulation bushing body and passes through the internal through hole of the fixing seat. The length of the fixing strap can be precisely adjusted and fixed by the toothed meshing structure between the fixing block and the fixing strap surface; this step provides high adjustment accuracy, tight fit, and better heat insulation effect. Based on the above beneficial effects, a locking block, an installation groove, and a second spring are provided. The fixing seat can be directly inserted into the installation groove through the inclined locking block, and then the second spring causes the locking block to pop out and lock. The fixing seat can be freely disassembled and assembled between the mounting groove and the installation groove; this step allows for free disassembly and assembly of the fixing seat, and the number of fixing seats can be selected according to needs, resulting in better device performance.