488results about How to "Low thermal conductivity" patented technology

A polymeric composition for insulating fluid and/or gas transport conduits, such as off-shore oil and gas pipelines operating at temperatures of 130° C. or higher in water depths above 1,000 metres. The outer surface of the conduit is provided with at least one layer of solid or foam insulation comprising a high temperature resistant thermoplastic having low thermal conductivity, high thermal softening point, high compressive strength and high compressive creep resistance. The high temperature resistant thermoplastic is selected from one or more members of the group comprising: polycarbonate; polyphenylene oxide; polyphenylene oxide blended with polypropylene, polystyrene or polyamide; polycarbonate blended with polybutylene terephthalate, polyethylene terephthalate, acrylonitrile butadiene styrene, acrylonitrile styrene acrylate, or polyetherimide; polyamides, including polyamide 12 and 612 and elastomers thereof; polymethylpentene and blends thereof; cyclic olefin copolymers and blends thereof; and, partially crosslinked thermoplastic elastomers, also known as thermoplastic vulcanizates or dynamically vulcanized elastomers.

The invention belongs to the field of application of building materials, and particularly discloses a foam concrete block manufactured by chemical foaming and a manufacture method thereof. The manufacture method comprises the following steps of: with ordinary portland cement, coal ash, superfine slag powder, silica fume, a composite additive, an accelerator, a reinforcing agent, a stabilizer, a water reducing agent, polypropylene fibers, a foaming agent and water serving as the raw materials; mixing all the raw materials, except the foaming agent; stirring at the first grade and the second grade to obtain uniform size; adding the foaming agent to the uniform size and stirring at the third grade quickly; quickly placing the material subjected to third grade stirring into a die; and naturally curing under a condition that the outside temperature is not less than zero. The foam concrete block is free of shrinkage and sinking, collapsing and deforming in the whole process from pouring to solidifying, can realize low density and low heat conductivity coefficient, is large, uniform and relatively independent in bubble, and has a good heat insulating effect.

The invention relates to SiO2 nano composite thermal insulation paste, which is characterized in that the form of the SiO2 nano composite thermal insulation paste is a paste mixture, and the dried paste mixture becomes micro pores, nano holes and a fiber structure compound. The paste comprises the following components by weight percentage: 20 to 50 percent of SiO2 nano aerogel, 0 to 30 percent of inorganic closed-hole micro-bead material, 7 to 15 percent of expanded pearlite, 0 to 1 percent of bentonite, 2 to 6 percent of penetrating agent, 10 to 20 percent of adhesive, 3 to 6 percent of calcium silicate fiber, 0 to 5 percent of magnesium aluminum silicate fiber, 0 to 5 percent of aluminum silicate fiber, 0 to 40 percent of water, 0.1 to 2 percent of flame retardant, and 3 to 7 percent of pigment. A preparation device is a vacuum intake and stirring device.

The invention discloses a block aerogel composite material and a preparation method thereof. The block aerogel composite material consists of reticular cellulose nano fiber skeletons and sol in a combining way, wherein the porosity of the aerogel composite material is 80-99.5 percent, the density is 0.015-0.680g/cm<3>, the BET specific surface area is 150-1200m<2>/g, the coefficient of heat conductivity is 0.015-0.045Wm<-1>k<-1> and the modulus of elasticity is 0.5-150MPa. The block aerogel composite material provided by the embodiment of the invention has the advantages that since the material consists of the reticular cellulose nano fiber skeletons and the sol in the combining way, the mechanical property of the block aerogel composite material can be obviously improved, the heat conductivity is low, the density is small and the specific surface area is large; and besides, the equipment cost can be decreased by adopting a relatively low and safe freeze-drying method to replace the traditional supercritical drying method.

The invention involves composite materials containing a polymer foam and an aerogel. The composite materials have improved thermal insulation ability, good acoustic insulation, and excellent physical mechanical properties. The composite materials can be used, for instance, for heat and acoustic insulation on aircraft, spacecraft, and maritime ships in place of currently used foam panels and other foam products. The materials of the invention can also be used in building construction with their combination of light weight, strength, elasticity, ability to be formed into desired shapes, and superior thermal and acoustic insulation power. The materials have also been found to have utility for storage of cryogens. A cryogenic liquid or gas, such as N₂ or H₂, adsorbs to the surfaces in aerogel particles. Thus, another embodiment of the invention provides a storage vessel for a cryogen.

Phononic metamaterials and methods for reducing thermal conductivity in at least partially crystalline base material are provided, such as for thermoelectric energy conversion. In one implementation, a method for reducing thermal conductivity through an at least partially crystalline base material is provided. In another implementation, a phononic metamaterial structure is provided. The phononic metamaterial structure in this implementation includes: an at least partially crystalline base material configured to allow a plurality of phonons to move to provide thermal conduction through the base material; and at least one disordered (e.g., amorphous) material coupled (e.g., as an inclusion or layer) to the at least partially crystalline base material. The at least one disordered material is configured to generate at least one vibration mode to interact with the plurality of phonons moving within the base material and slow group velocities of at least a portion of the interacting phonons and reduce thermal conductivity through the base material.

An alloy material with a constant electrical resistivity in a wide temperature range comprises the following chemical formula: Al_vCo_wCr_xFe_yNi_z, wherein v is in the range of 1.9 to 2.1, w is in the range of 0.9 to 1.1, x is in the range of 0.9 to 1.1, y is in the range of 0.9 to 1.1, and z is in the range of 0.9 to 1.1. A method for producing the alloy material comprises the steps of: providing raw metal materials and mixing them according to the molar ratio of the prescription of the alloy materials; disposing the mixed raw metal to materials into a furnace and homogeneously smelting each of the raw metal materials under a protective Ar atmospheric environment; cooling and solidifying the smelted raw metal materials in order to obtain the alloy; and deforming and/or shaping the solidified alloy to predefined figures and dimensions.

Vacuum insulating glass (VIG) units, edge seals for VIG units and methods for forming the edge seals are provided. The VIG units include an edge seal that includes a viscous material, which serves to restrict the rate at which gas permeates into a vacuum space defined between the glass sheets of the VIG unit. The edge seals are configured to allow the glass sheets to move laterally relative to one another when the glass sheets experience differential thermal strain and further configured such that viscous shear occurs within at least a portion of the viscous material when there is relative lateral movement between the glass sheets.

The invention discloses a modified vitrified micro bubbles thermal insulation mortar and a preparation method thereof. The steps of the preparation method are as follows: (1) modifying low quality vitrified micro bubbles: organic silicon hydrophobic agent is diluted by water, and the volume ratio between the hydrophobic agent and the water is 1: 10-1: 80 and the diluted hydrophobic agent is sprayed uniformly on the low quality vitrified micro bubbles; (2) drying: the vitrified micro bubbles treated by the hydrophobic agent is put into an oven for drying; (3) compounding the thermal insulation mortar: the master batch of the mortar and the modified vitrified micro bubbles are stirred uniformly according to the weight ratio 1:2-2:1, thus obtaining the modified vitrified micro bubbles thermal insulation mortar. The method can not only decrease the water absorption of the low quality vitrified micro bubbles but can also keep certain water-retaining rate; furthermore, the method also can decrease the thermal conductivity of the thermal insulation mortar and has simple production technique and obvious effect. The thermal conductivity of the thermal insulation mortar made by low quality vitrified micro bubbles not only meets the national quality standards, but also greatly reduces cost, thus being more easily to be popularized.

There is provided a novel thermal barrier coating material which does not have a problem of phase transition, whose melting point is higher than its working temperature range, whose thermal conductivity is smaller than that of zirconia, and whose thermal expansion coefficient is greater than that of zirconia. The thermal barrier coating material comprises as a main component, a composition having an orthorhombic or monoclinic structure derived from perovskite (for example, a tabular perovskite structure expressed by the composition formula A₂B₂O₇), or a tetragonal layer structure having a c axis/a axis ratio equal to or greater than 3 (for example, a K₂NiF₄ structure, a Sr₃Ti₂O₇ structure, or a Sr₄Ti₃O₁₀ structure), a composition expressed by the composition formula LaTaO₄, or a composition having an olivine type structure expressed by the composition formula M₂SiO₄ or (MM′)₂SiO₄ (where M, M′ are divalent metal elements).

The present invention discloses vehicle composite friction material with potassium titanate crystal whisker and the preparation method. In terms of weight percentage, the composite friction material includes the following components: 10 to 50 percent of cashew oil modified phenol formaldehyde resin, 3 to 8 percent of NBR, 10 to 20 percent of crystal potassium titanate, 3 to 8 percent of squamose potassium titanate, 3 to 8 percent of vermiculite, 1 to 3 percent of aramid fiber, 3 to 8 percent of meerschaum fiber, etc. In preparation, the composite friction material is made into prepare material according to the proportion, the prepare material is evenly mixed and poured into a die for pressing and molding, and then the pressed finished product is taken out; the pressed finished product is put into a constant-temperature box and processed for 8 to 24 hours under the temperature of 145 to 165 DEG C, thus finally obtaining the vehicle composite friction material with potassium titanate crystal whisker. The prepared material has stable chemical performance and no toxin and harm; the potassium titanate powder produced by the friction of crystal whisker in braking process will rapidly settle down on the ground, thus preventing the body hurt and air pollution.

The invention relates to a nano composite inorganic flame-retardant heat insulated board rich in SiO2, which is characterized in that the form of the board is a planar or allotypic inorganic nano composite board, and the board is a compound of micron holes and granules, nano holes and granules and fiber structure. The board comprises the following components by weight percentage: 40 to 80 percent of SiO2 powder, 10 to 30 percent of zirconium oxide superfine powder, 0 to 20 percent of inorganic closed-hole micro-bead material, 2 to 15 percent of expanded perlite, 0 to 15 percent of vermiculite, 0.1 to 2 percent of coupling agent, 2 to 10 percent of adhesive, 0 to 6 percent of calcium silicate fiber, 0 to 10 percent of magnesium aluminum silicate fiber, and 0 to 10 percent of aluminum silicate fiber; and the components are subjected to dispersion, blending, blank forming, airing or drying to prepare the board, wherein the drying temperature is no more than 120 DEG C. Preparation equipment comprises a vacuum powder suction device, a mixing machine, and an automatic blank manufacturing machine.

The invention discloses a transparent thermal-insulation coating containing silicon oxide aerogel and a preparation method of the coating. The transparent thermal-insulation coating containing silicon oxide aerogel is characterized by mainly comprising transparent resin and aerogel powder. The preparation method of the transparent thermal-insulation coating containing silicon oxide aerogel comprises the steps as follows: (1) modification of aerogel powder; (2) surface coating of the aerogel powder in step (1); (3) mixing and stirring of the aerogel powder in step (2) and waterborne transparent resin. The transparent thermal-insulation coating containing silicon oxide aerogel has high visible light transmittance and low heat conduction coefficient, the preparation process of the coating is simple, and the coating is practical, excellent in performance, low in price and suitable for industrial production.

The present invention belongs to the technical field of building materials, and concretely relates to a gypsum-based thermal insulation mortar used for pouring. The gypsum-based thermal insulation mortar is prepared from: by weight, 100 parts of gypsum, 5-30 parts of cement, 0-30 parts of fly ash, 15-30 parts of mineral powder, 0-5 parts of exciting agent, 0.5-50 parts of light aggregate, 0.5-5 parts of retarder, 0.002-0.5 part of air-entraining admixture, 0.2-0.6 part of water reducing agent, 0.3-0.9 part of cellulose ether, 0-6 parts of gelatin powder, 0-0.5 part of starch ether, and 96-180 parts of water. The gypsum-based thermal insulation mortar has good fluidity and short setting time, is used for pouring, and is convenient for construction. The gypsum-based thermal insulation mortar can recycle the building gypsum prepared from various industrial by-product gypsums, and the building gypsum can be used for building thermal insulation engineering. The gypsum-based thermal insulation mortar has simple production technology, low energy consumption, mechanized construction, low heat conductivity coefficient, good fire resistance and low cost.

The invention relates to a preparation method of a fiber reinforced phosphate high-temperature-resistant composite material. The preparation method comprises the following steps of: (1) preparing a fiber preform; (2) pretreating the fiber preform; (3) soaking or coating the fiber preform, and curing the fiber preform: putting the fiber preform into a soaking tank, sucking a phosphate solution in vacuum until a fabric is submerged, soaking the fabric for more than or equal to 10 minutes, heating to 50-500 DEG C, and preserving the heat for 1-60 hours; or soaking or coating the fiber preform by using an aluminum, zirconium or magnesium inorganic salt solution, heating to more than or equal to 500 DEG C, preserving the heat for more than or equal to 2 hours, sucking a phosphoric acid solution in vacuum until the fabric is submerged, soaking the fabric for more than or equal to 10 minutes, heating to more than or equal to 500 DEG C, and preserving the heat for more than or equal to 2 hours; and (4) performing high-temperature treatment to obtain the fiber reinforced phosphate high-temperature-resistant composite material. The composite material prepared by the method can be widely used in high-temperature resistance, bearing, wave transmitting, corrosion resistance and the like.

The invention relates to a preparation method of zirconium oxide-silicon oxide composite aerogel. The method comprises the following steps of: dissolving siloxane in alcohol and uniformly stirring the solution to obtain alcohol solution of the siloxane; titrating concentrated nitric acid with 65-68% of mass concentration, titrating deionized water after stirring uniformly and continuously stirring; titrating the concentrated nitric acid to the pre-hydrolyzed siloxane solution, titrating zirconium alkoxide after mixing uniformly, adding the deionized water after stirring uniformly and stirring continuously to obtain clear and transparent gel; transferring the gel to a mould, and still standing and aging the gel to obtain the zirconium oxide-silicon oxide composite wet gel; soaking the wet gel by using aging solution; and finally soaking the gel by using absolute ethyl alcohol or isopropanol solvent. The blocky zirconium oxide-silicon oxide composite aerogel featured with low density and low thermal conductivity prepared by the invention basically keeps the former microcosmic undefined structure after thermal treatment at 1000 DEG C, and has specific area up to 353m<2>/g and good high-temperature stability.

The invention discloses heat insulation inorganic coating and a preparation method thereof. The coating is prepared by combining the super heat insulation function of an aerogel material with the specific water resistant and flame retardant functions of a magnesium phosphate cement material (MPC). Compared with the existing organic polymer aerogel composite coating and ordinary silicate aerogel composite coating, the inorganic waterborne heat insulation coating disclosed by the invention has the advantages of low heat conductivity, good water resistance, good flame retardant property and flame resistance, environmental protection and energy conservation. The heat insulation inorganic coating disclosed by the invention can be widely applied to a variety of fields, such as heat insulation of internal and external walls and roof surfaces of such public buildings as residential buildings, schools, hospitals, factory buildings and the like, thermal expansion damage prevention and protection of such large-volume buildings or facilities as bridges, dams and the like, and protection of top sunlight surfaces of ships, trains and buses.

A nozzle for an injection molding apparatus includes a nozzle body having a first nozzle body segment, a second nozzle body segment and a third nozzle body segment. The second nozzle body segment is removably connected to at least one of the first nozzle body segment and the third nozzle body segment. The first nozzle body segment and the third nozzle body segment are heated either by first and second nozzle heaters, respectively, or by a heater sleeve having a cut-out along the length of the second nozzle body segment. The second nozzle body segment is substantially devoid of a nozzle heater such that the second nozzle body segment is heated passively through contact with the first nozzle body segment and the third nozzle body segment.

In an infrared detection sensor according to the present invention, all material constituting an upper portion of a sensing electrode in a supporting arm region is removed so that a supporting arm has low thermal conductivity. As a result, thermal conductivity of the infrared sensor structure is reduced, and the infrared detection sensor has excellent sensitivity.

The invention discloses foam microcrystalline glass. The foam microcrystalline glass is prepared by taking liquid-state red-heat steel slag as a main raw material and adding auxiliary raw materials including a certain quantity of mineral raw materials, a few quantities of chemical materials and the like. The preparation method comprises the following steps of: firstly, performing slag ladle precipitation on the liquid-state red-heat steel slag to remove steel to obtain iron-free liquid-state red-heat steel slag, adding the iron-free liquid-state red-heat steel slag and the mixed auxiliary raw materials into a stirring pond, and uniformly stirring the steel slag, the auxiliary raw materials and air bubbles generated by reacting the steel slag and the auxiliary raw materials by a group of rotary stirrers in the stirring pond, thus forming foam glass; secondly, forming the foam glass at 1,000-1,250 DEG C to prepare a foam glass blank; thirdly, feeding the foam glass blank into a heat preserving furnace, crystallizing and annealing the foam glass in a cooling process along with the furnace, and converting the foam glass into a foam microcrystalline glass blank; and fourthly, processing the foam microcrystalline glass blank to be in the required size of the product. The preparation method is energy-saving and environment-friendly, and additional energy sources do not need to be supplemented.

The invention relates to a hybrid high-efficiency thermal-insulation material and a preparation method thereof. The preparation method comprises the following steps: by using a pretreated light-weight porous material as aggregate, an inorganic active material as an initiator, reactive polymer powder and white cement as gelling materials and ash calcium and gypsum powder as propping materials, mixing with fibers, a water repellent, cellulose ether, a surfactant and the like, stirring and dispersing to obtain the hybrid high-efficiency thermal-insulation material. The hybrid high-efficiency thermal-insulation material is composed of the following components in parts by weight: 20-40 parts of aggregate, 10-15 parts of inorganic active material, 5-10 parts of reactive polymer powder, 20-35 parts of white cement, 15-20 parts of propping material, 5-15 parts of fiber, 1-5 parts of water repellent, 0.1-0.5 part of cellulose ether and 0.5-1 part of surfactant. A right amount of water can be added into the material and stirred to obtain a paste, and the paste is directly spread onto the basal plane of the wall. The product has the advantages of low heat conductivity coefficient, high compression strength, favorable binding strength, thermal insulation, water resistance, fire resistance, crack resistance, no toxicity, environment friendliness, low shrinkage, simple construction technique, low unit area cost and the like, and is suitable for thermal insulation of various building external walls.

The invention discloses a preparing method of large-size low-heat-conductivity-coefficient high-strength foam carbon. By adopting pitch with a high softening point as a raw material and adopting a spherical or one-dimensional structural material as a compound reinforcement, the foam carbon with a good integral structure and a uniform pore structure is prepared through a foaming process, wherein the diameter of the foam carbon is 200 mm, the height is 200 mm, the heat conductivity coefficient is 0.15 W/(m.k), the compression strength is higher than 30 MPa, the volume shrinkage rate at 1500 DEG C is lower than 3%, and the density is 0.3-0.8 g/cm<3>. The foam carbon is suitable to be used as a structural thermal insulation material, a heat preservation material and a wave absorption material, and can be widely used for the fields of spaceflight, aviation, navigation, energy-saving building, and the like.

The invention discloses a preparing method of carbon/carbon thermal insulation cover of single-crystal silicon drawing oven, which comprises the following steps: toroidal-binding with carbon fiber weftless cloth and thin carbon fabric net tyre; needling radially; producing pseudo three-dimensional thermal insulation cover preformed body with low density; vacuum-dipping with furfural ketone resin; hardening; charring; proceeding fine and close fro 2-4 times repeatedly; reaching density not less than 1. 2g/cm3; ending; leading into chlorine gas or Freon; proceeding high-temperature purified treatment; machining; getting the product. This invention possesses the advantages of simple craft, low cost and long durability.

The invention discloses a manufacturing method of a foam cement insulation board added with polyphenyl granules, which comprises the following steps: performing modification treatment on the surfaces of the polyphenyl granules by using the polyphenyl granules, cement, adhesive, coupling agent and water, thus forming a layer of silicate shell on the surface of each polyphenyl granule; preparing adjuvant for the foam cement insulation board; adding water, water reducer, PP fiber 0, the adjuvant for the foam cement insulation board, modified polyphenyl granules 1, silicate cement and pulverized coal ash into a stirrer, stirring for mixing uniformly, finally adding 10-12 kg of hydrogen peroxide and stirring for mixing uniformly; demolding, curing and cutting after being hydrated. Compared with a common foam cement insulation board, the foam cement insulation board manufactured according to the method provided by the invention has the advantages that the unit weight is reduced, the breaking strength is increased, the heat conduction coefficient is reduced, and the use thickness of the foam cement insulation board is reduced under the same condition.

This invention discloses heat-insulating putty for interior and exterior walls of buildings. The heat-insulating putty is composed of matrix, filler and additive. The matrix is composed of redispersible latex powder and Portland cement at a weight ratio of (4-6) :( 5-7). The filler is composed of hollow microbeads, expanded perlite, ash calcium powder and talcum powder at a weight ratio of (1-2) :( 1-2) :( 0.5-1) :( 0.5-1.5). The additive is composed of hydroxymethyl propyl cellulose, polypropylene fibers and silica micropowder at a weight ratio of (1-3) :( 0.1-1) :( 40-60). The heat-insulating putty is prepared by mixing the matrix, the filler and the additive at a weight ratio of (20-60) :( 40-80) :( 3-10), stirring uniformly, weighing and packaging. The heat-insulating putty is environmentally friendly, and can be used on interior and exterior walls of buildings. The heat-insulating putty has such advantages as high heat-insulating performance, low heat conductivity, high acid, alkali and corrosion resistance, simple and reasonable preparation method, and easy construction.

The invention discloses a preparation method for a low-carbon aluminum-silicon-carbide carbon brick. The preparation method includes the following steps: raw materials for the low-carbon aluminum-silicon-carbide carbon brick are all mixed, and the mixture is subjected to die pressing and drying to obtain the low-carbon aluminum-silicon-carbide carbon brick; the low-carbon aluminum-silicon-carbide carbon brick comprises the following raw materials in parts by weight: 55 to 85 parts of an aluminum oxide raw material, 5-15 parts of silicon carbide, 1 to 7 parts of a carbon raw material, 3 to 5 parts of a binding agent, 1 to 5 parts of an antioxidant, and 0.01 to 0.5 part of organic silicon fiber. The preparation method for the low-carbon aluminum-silicon-carbide carbon brick provided by the invention has the advantages that the carbon content of the prepared aluminum-silicon-carbide carbon brick is lower, and the heat conductivity is smaller, so that the energy is saved, and the consumption is reduced.

The invention discloses a preparation method of titanium and titanium alloy wires or powder for 3D printing. The method comprises the steps that titanium or titanium alloy billets are selected; and the titanium or titanium alloy billets are smashed, then smelted repeatedly and stretched to obtain a titanium or titanium alloy wire finished product, or a powder atomization method is adopted to obtain a titanium or titanium alloy powder finished product. By means of the preparation method of the titanium and titanium alloy wires or powder for 3D printing, the prepared materials have the beneficial effects of being small in density and heat conduction coefficient, high in specific strength, resistant to corrosion and high temperature, free of poisonousness and magnetism, high in tensile strength and the like, and therefore the method is applicable to the field of 3D metal printing, and particularly suitable for the technical field of medicines, aerospace and the like having the strict requirements for 3D printing materials.

The invention discloses a high-strength vacuum heat insulation plate, comprising a vacuum shell bag and a heat insulation core material which is arranged in the vacuum shell bag. The heat insulation core material comprises a middle heat insulation layer. Two sides of the middle heat insulation layer are provided with a plate with a plurality of hemispherical depressions; one side of the plate in the trailing direction of the middle heat insulation layer is provided with an infrared reflection layer; the hemispherical depressions of the plate are filled with silica aerogel. The high-strength vacuum heat insulation plate of the invention has high strength, low thermal conductivity and good high temperature resistance.

The invention provides a fireproof coating for thick formed steel constructions. The coating is prepared from a fireproof filler, a fire retardant, a main binder, an auxiliary binder, a water-proofing agent and mica powder; the binding performance of the fireproof coating for the steel constructions is improved, meanwhile, the dosage of the fire retardant is optimized and the long fire resistance of the fireproof coating for thick formed steel constructions is guaranteed; other auxiliaries as the water-proofing agent are added to improve the water tolerance, anti-penetrability performance and weather fastness of the fireproof coating for the steel constructions are improved. The fireproof coating for the steel constructions has the characteristics of water tolerance, anti-permeability, fire resistance, impact resistance, simple preparation process, convenience for application, non-toxicity and harmlessness, long service life and the like. The fireproof coating for thick formed steel constructions is suitable for fireproof protection of the exposed parts of steel construction buildings high in fire endurance.

The invention provides a flame-retardant and heat-insulating foamed material. The flame-retardant and heat-insulating foamed material is characterized by taking expanded perlite as aggregates, taking foamed material powder as fillers, and taking sodium silicate or organic adhesives such as phenolic resin and urea resin as an adhesive material. The flame-retardant and heat-insulating foamed material is produced by the following method: adequately mixing the expanded perlite with the foamed material powder, adding the adhesives and uniformly mixing, then adding the mixture in a press and performing press-forming. The flame-retardant and heat-insulating material provided by the invention has a structure with the uniformly-distributed expanded perlite and foamed plastic powder, flame-retardant and heat-insulating functions, and the characteristics of light weight, good weather resistance, high compression strength and low cost, can realize recovery of the cutting scraps and leftover materials of industrial foamed materials, and meets the requirements of the national related policies of energy saving and emission reduction.