166results about How to "Strong sound insulation" patented technology

The invention discloses a foam concrete, which comprises admixture, cementing material and chemical auxiliary agent, wherein the weight percentage of the admixture in the foam concrete is 25-40%, the weight percentage of the cementing material in the foam concrete is 45-75%, the weight percentage of the chemical auxiliary agent in the foam concrete is 5-25%, the cementing material comprises cement clinker, calcium oxide and bone gelatin powder, and the mass ratio of the three ingredients in the cementing material is 2: 2: 1. The invention further discloses a preparation method of the foam concrete. The preparation method comprises the following steps: foam technology, slurry processing, chemical auxiliary agent processing, mixing, shaping and curing. The foam concrete has the advantages that the cementing material is made of cement clinker, calcium oxide and bone gelatin powder and the use of a great amount of cement is avoided, so that the coal resources required for producing cement is reduced, which not only relieves the tension of energy utilization, but also can improve the compressive strength, leakage resistance, sound insulation effect of the foam concrete.

A soundproof structure has a plurality of soundproof cells arranged in a two-dimensional manner. Each of the plurality of soundproof cells includes a frame formed of a frame member forming an opening and a film fixed to the frame. Two or more types of soundproof cells having different first resonance frequencies are present in the plurality of soundproof cells. A shielding peak frequency at which transmission loss is maximized is present within a range equal to or higher than a lowest frequency among first resonance frequencies of the soundproof cells and equal to or lower than a highest frequency among the first resonance frequencies of the soundproof cells.

The present invention relates to a compact composite light-weight internal and external wall panel. It includes slurry material layer of external layer. Said slurry material layer is made up by using (by weight portion) 100 portions of quick-hardening early-strength sulphoaluminate cement, 0-35 portions of fly-ash, 0-10 portions of building glue and 0.2 portions as raw material through the processes of mixing, adding water and making slurry. It the slurry material layer interior a plastic-coated glass fiber mesh fabric is filled, and the slurry material layer interior is covered with a foamed plastic layer, said foamed plastic layer is a high-foamed polystyrene foam plastic plate. In the foamed plastic layer several through holes are set, in every through hole a column slurry material body is injected, and two sides of said panel body are equipped with tongue and slot mortise.

The invention discloses a fiber reinforced magnesium oxychloride red mud plate and a preparation method, and belongs to the utilization technology of waste material-red mud produced in alumina industry. The plate mainly comprises a solid blending material and brine, wherein the weight ratio of the brine is 15-30%, and the solid blending material comprises the following components by weight ratio: 30-70% of red mud, MgO of 25-60 % and 5-10% of reinforcing fiber; and 0.5-5% of modifier is added into the brine. The wet red mud, the magnesium oxide, the reinforcing fiber and the brine added with the modifier are subjected to extrusion molding by roller pressure after being uniformly mixed, naturally harden after solidification, and form a standard material or profile after shear processing. The plate is of a high-strength solidification plate with high content of red mud, has the advantages of fireproof, waterproof and anti-static performances, heat and noise insulation, strong pressure resistance, good fracture resistance, good corrosion resistance and the like, is widely used in construction, decoration and other industries, and can digest a lot of red mud to truly turn waste into wealth.

The invention discloses fiber aerogel foam concrete, a preparation method and application thereof. The fiber aerogel foam concrete disclosed by the invention comprises the following raw materials: binding materials, aerogel powder, cellosilk, viscous water, a foaming agent and water, wherein the mass ratio of the binding materials to aerogel powder to cellosilk to viscous water is 1: (0.01-0.3):(0.001-0.01):(0.35-1); the particle size of the aerogel powder is smaller than 250 microns, the porosity is 80-99%, and the pore diameter is 10-50nm; the cellosilk is uniformly distributed, and the diameter is 10-50 microns. The fiber aerogel foam concrete disclosed by the invention has the advantages of ultralow density, ultralow heat conductivity and excellent thermal insulation, can be applied tothe fields of thermal insulation of building walls, road filling, barrier sound insulation, and has wide application prospect.

The invention provides a fireproof thermal insulation board. The fireproof thermal insulation board comprises an aerogel core material layer; reinforcing layers which are compounded on the upper surface and the lower surface of the aerogel core material layer; a resin edge sealing layer which covers the edge of the aerogel core material layer; and a reinforcing layer which is compounded with the aerogel core material layer through flame-retardant resin. Compared with the prior art, the fireproof heat insulation plate provided by the invention takes aerogel as a core material, adopts a specific layer structure, and realizes better overall interaction under a specific connection relationship; a compact, firm and tough composite material skin is formed on the surface of the product, the product is endowed with stronger heat insulation and sound insulation effects while the strength is improved, and a complex plane shape and a complex three-dimensional shape can be processed; moreover, the fireproof heat-insulating plate provided by the invention is provided with the resin edge-sealing layer, so powder leakage at the edge can be avoided, and the whole fireproof heat-insulating plate is more suitable for heat insulation inside precision equipment.

The invention discloses anti-freezing mortar special for aerated bricks, made from, by weight, 30-40 parts of mineral residue, 30-35 parts of cement, 25-30 parts of river sand, 0.5-1 part of a water reducing agent, 0.5-1 part of an air entraining agent, 1-2 parts of an anti-freezing agent, 4-6 parts of vitrified micro bubbles, 3-5 parts of Kapok fiber, 2-4 parts of rare-earth oxide, and 5-8 parts of modified attapulgite. Unique components are selected, their contents are reasonably matched, and the mortar and its products are good in strength, cracking resistance, water permeation resistance and temperature resistance and excellent in anti-freezing performance, are applicable to cold areas and areas having great temperature differences and have excellent performance, and potential safety hazards are decreased.

The invention discloses a novel wallboard convenient to install. The novel wallboard convenient to install comprises a support, an outer leaf plate and an inner leaf plate. The support is composed of stand columns, a top beam, a bottom beam and connecting pieces. The stand columns perpendicular to the upper side face of the bottom beam are fixed to the two ends of the upper side face of the bottom beam, the top beam with the lower side face perpendicular to the stand columns is fixed to the top ends of the stand columns, the corresponding two connecting pieces are arranged on the lower side face of the top beam, and the corresponding two connecting pieces are arranged on the upper side face of the bottom beam. The connecting pieces are composed of joint steel fixedly welded to the beams, studs and nuts. The outer leaf plate and the inner leaf plate are fixed to the studs, a heat preservation cotton layer is arranged on the inner side of the outer leaf plate, a concrete layer is poured between the heat preservation cotton layer and the inner leaf plate, bolt holes correspond to the studs in position, and the thickness of the concrete layer can be adjusted by adjusting the positions of the nuts. Generally, the novel wallboard convenient to install has the advantages of being easy to manufacture, stable in quality, good in heat preservation, fire proofing, sound insulation and impact resistance capability and capable of being prefabricated, shortening the construction period of a building and saving production cost.

The invention discloses a middle-low frequency sound insulation and heat insulation composite wall plate which comprises a shell, a heat insulation and sound absorption layer and a combined plate which are connected with one another in sequence from outside to inside, wherein the combined plate consists of two first coupling vibration plates and a first sound absorption material arranged between the two first coupling vibration plates. To solve the problem that the conventional light-weight and thin sound insulation material cannot effectively insulate middle-low frequency noise, the middle-low frequency sound insulation and heat insulation composite wall plate adopts the coupling vibration plates, so that near field waves produced by the coupling vibration plates can repeatedly penetrate through the sound absorption material, and a large amount of sound energy is consumed; by virtue of the arrangement of distances between the coupling vibration plates and the shell, the performance of a sound insulation spectrum curve near to peaks and valleys can be improved; therefore, the middle-low frequency sound insulation and heat insulation composite wall plate has a better sound insulation effect in the whole middle-low frequency region; furthermore, under a condition that only the shell exists near to the peak frequency of a sound insulation amount, the sound insulation amount can be increased by about 25dB. The quality areal density of the middle-low frequency sound insulation and heat insulation composite wall plate is about 5.5kg / m<2>, so that the middle-low frequency sound insulation and heat insulation composite wall plate is suitable for being used as cabin wall plates of an airplane, a high-speed train and the like.

The present invention relates to method of modifying calcium silicate plate with water-base epoxy resin. Water-base epoxy resin emulsion and curing agent are used in modifying calcium silicate plate product or material. The modified material consists of calcium silicate plate product 100 weight portions, water-base epoxy resin emulsion 3-10 weight portions, and curing agent 20-25 wt% of the water-base epoxy resin emulsion. The modified calcium silicate plate has excellent performances, including waterproof performance, shock resistance, compression strength and bending strength, higher than that of common calcium silicate plate, and is suitable for use in building.

The invention discloses a honeycomb wall plate and a mounting method of the honeycomb wall plate. The honeycomb wall plate is light in weight, high in strength, simple to construct, low in cost, high in sound and heat insulation and good in environment protection property and overcomes the problems that in the prior art a wall body has conspicuous defects in multiple aspects such as cost, weight, sound insulation and environment protection. The honeycomb wall plate comprises inner cores and two outer plates, wherein the plurality of inner cores are seamlessly spliced with one another to form a bottomless hexagonal prism; openings at two ends of the hexagonal prism are covered by two pieces of bottom sealing surface paper so as to form honeycomb paper cores; two honeycomb paper cores are connected in a manner of being adhered to one piece of bottom sealing surface paper, respectively; the bottom sealing surface paper is connected with the inner cores by virtue of an adhesive and is made of a material same as that of the inner cores; the two outer plates are arranged outside the honeycomb paper cores and are respectively connected with another piece of bottom sealing surface paper of the two honeycomb paper cores; the width of one outer plate is greater than that of the other outer plate. The honeycomb wall plate is applicable to occasions that a conventional building wall body is applicable to and has the advantages of light weight, good heat and sound insulation effects, good environment protection property and the like.

This invention relates to magnesia insulation wall board, which has several holes with two sides are of semi-round shape or weight tank, wherein, the inner wall board is composed of magnesia sane for 95 to 120kg, powder coke for 8 to 12kg, magnesium chloride solution for 46 to 54kg, blowing agent N1 for 1 to 2kg and water for 37.5 to 56.4kg through mode shaping step. This invention has the following advantages as the following: a, good insulation property of wall board; b, light quality and good isolation ability; c, easy for shearing; d, product without poison, flavor and erosion.

The invention provides a climate adaptability transparent water storage enclosing structure for a low-energy-consumption building and an operation method and relates to the technical field of building energy saving and building enclosing structures. According to the transparent water storage enclosing structure for the low-energy-consumption building, the problems that as for an current building with a plurality of transparent enclosing structures, the comfort in summer and winter is poor, and energy consumption is high are solved. The transparent water storage enclosing structure for the low-energy-consumption building comprises transparent water storage modules, supporting connecting frames of the transparent water storage modules, an adjustable shading device, a water system pipeline, an outer layer transparent enclosing structure and an automatic control system, wherein the adjustable shading device and the water system pipeline are arranged on the outdoor sides, and the outer layer transparent enclosing structure and the automatic control system can be additionally arranged. The climate adaptability transparent water storage enclosing structure is mainly characterized in that the transparent water storage modules are used for water filling, and thus the thermal inertia and thermal storage property of the enclosing structure are strengthened; a flow resisting layer is used for restraining convection to enhance the thermotechnical efficiency of the transparent water storage modules; meanwhile, relying on simple adjustment of the adjustable shading device in summer and winter, when stored water is overheated in summer, the water is discharged and heat is dissipated, and in the extreme low temperature in winter, the water is discharged to form an air layer for heat preservation; and through reusing of returned water generated by gravity self-flowing and natural daylighting, the indoor thermal comfort is kept, and building energy consumption is reduced.

The invention relates to sound insulating glass and a preparation method thereof, in particular to sound insulating PVB (polyvinyl butyral) laminated glass and a preparation method thereof. The sound insulating PVB laminated glass comprises a first glass substrate, a second glass substrate, a PVB film between the first glass substrate and the second glass substrate as well as polystyrene films located between the first glass substrate and the PVB film as well as between the second glass substrate and the PVB film, wherein the first glass substrate and the second glass substrate are arranged vertically. The preparation method of the sound insulating PVB laminated glass comprises the following steps: (1) cleaning of the glass substrate; (2) preparation of the polystyrene films; (3) combining operation: the PVB film is arranged in a combining chamber for combination of the glass substrates, the PVB film and the polystyrene films; (4) prepressing for exhausting; (5) high-pressure molding. The prepared PVB laminated glass has good mechanical property, impact resistance and good sound insulating effect, the PVB film cannot fall off the glass when the laminated glass meets external impact or the external environmental temperature changes acutely, and the service life is long.

A novel red mud decorating and heat-insulation integrated light wall material is characterized by consisting of colored glass and a red mud iron reduction slag high-temperature melt foaming material. The colored glass consists of from 25 to 45 % of potash feldspar, from 20 to 40% of quartz, from 5 to 25% of calcite, from 4 to 8% of sodium borate, from 2 to 8% of barium carbonate, from 2 to 8% of zirconium silicate, from 2 to 6% of potassium nitrate and from 0 to 10% of ceramic color agent. The forming steps of the red mud iron reduction slag high-temperature melt foaming material include forming metallic iron and silicate slag by means of carbothermic reduction of red mud wastes; melting the metallic iron and silicate slag at high temperature; obtaining high-temperature melt of silicate slag after separation of molten iron; and foaming. The novel red mud decorating and heat-insulation integrated light wall material can be colorful after being added with the ceramic color agent, is a multifunctional high-grade interior and exterior wall decorating material with functions of decoration, heat insulation, sound insulation, seismic proofing and the like, is low in production cost, reduces environmental pollution, and is economical and environment-friendly. The wastes can be reused.

The invention discloses a sound-insulating environment-friendly polypropylene fiber pebble concrete and a preparation method thereof. The concrete mainly comprises pebble, a foaming agent, a sound insulation agent, polypropylene fiber, cement, aggregate and a high-efficiency water reducer, wherein the polypropylene fiber mainly comprises a polypropylene raw material, a coupling agent, a dispersant, a fire retardant and a coloring agent. The preparation method comprises the following steps: crushing and drying of the polypropylene resin raw material; mixing of the raw material and various additives; melted extrusion; hot-roller drawing; high-temperature oil bathing; surface treatment; thermal setting; and cooling, cutting and packaging. The polypropylene fiber pebble concrete prepared in the invention has good heat resistance, chemical stability, good sound insulation performance and strong resistance to acid and alkali; the physical and mechanical properties of the polypropylene fiber pebble concrete are greatly improved compared with common concrete; and a building formed by pouring of the polypropylene fiber pebble concrete has good mechanical properties like compressive strength, static elastic constant, splitting tensile strength and rupture strength.

The invention discloses a preparation method of red mud combined expanded vermiculite polyhedral color decorative lightweight wall material. The method is characterized in that the red mud combined expanded vermiculite polyhedral color decorative lightweight wall material is composed of a color decorative layer (1), a transition layer (2) and an insulating layer (3). The red mud combined expanded vermiculite polyhedral color decorative lightweight wall material prepared by the invention adopts one-time firing, and the transition layer is added between the color decorative layer and the insulating layer, so that the defects that the pore diameter is oversize, the bonding strength and the heat impact resistance are low caused by inconsistent material melting points of the color decorative layer and the insulating layer are effectively solved; the inner wall and outer wall decorative material in single-color, composite color and various patterns are prepared by adding ceramic toner without adding extra decoration; the production process is simple, the cost is low, the building insulating effect is good, and the material is energy-saving, waterproof and environment-friendly; the produced color decorative red mud combined expanded vermiculite lightweight wall material has all-in-one function of decorating, insulating, heat insulating, sound insulating and shockproof.

The invention discloses a foamed basalt environment-friendly sound-insulation material and a manufacturing method thereof. The foamed basalt environment-friendly sound-insulation material is mainly prepared from the following raw materials: basalt ores, nano hollow microbeads, gypsum, waste glass powder, a foaming agent, a fluxing agent, a foam stabilizer, a dispersing agent and auxiliary materials. The manufacturing method comprises the following steps: pulverizing, mixing, drying, foaming, cutting, polishing the finished product and the like. The method is simple and easy to operate. The sound insulation capacity of the prepared foamed basalt environment-friendly sound-insulation material is 28-69%, and the porosity is 90-96%. The method is simple and easy to operate. The prepared finished product has the advantages of no toxicity, no radiation, low heat conductivity coefficient, favorable sound insulation capacity, moth resistance, corrosion resistance, stable and favorable chemical properties and the like. The main raw material basalt has wide mineral deposit distribution in China as a volcanic rock, and thus, is easy to acquire and low in price. Therefore, the obtained product has high cost performance. The foamed basalt environment-friendly sound-insulation material has the environment-friendly effect in the aspects of manufacturing and use.

The invention relates to the field of interior decoration materials, in particular to wall cloth and a preparation method thereof. The wall cloth is composed of cotton yarn, non-woven fiber paper and environment-friendly glue and is characterized in that the environment-friendly glue is composed of the following substances of, by weight, 50-60% of a PU adhesive and 3-6% of an adhesive. The wall cloth adopts the PU adhesive as a gluing agent, and the PU adhesive is green and environmentally friendly, has good adhesive performance on the non-woven fiber paper and cotton cloth and is high in binding strength. The preparation method of the wall cloth is simple in process and high in yield, no harmful gas is discharged in the whole production process, and no harm is caused on the body health of a worker.

The invention discloses a flexible sound absorbing material which comprises a foam bottom layer, a viscose layer, a protective layer and a sound absorbing layer. The viscose layer is arranged on one face of the foam bottom layer, the protective layer is arranged on the other side of the viscose layer, and the sound absorbing layer is arranged on the other side of the foam bottom layer. In this way, the flexible sound absorbing material has the advantages of being good in noise attenuation effect, strong in sound insulating ability, soft, easy to install, innocuous and unpoisonous and easy to clean, and has broad market prospects in the sound insulating material field.

The invention provides environment protective and sound absorbing and insulative indoor decorative coating which adopts the raw materials with the following weight percentage: 8 percent to 30 percent of small cork particles, 75 percent to 90 percent of adhesive and 0 percent to 17 percent of water. The small cork particles are made of oak bark; the adhesive is glue or water soluble resin. The decorative coating prepared by the method of the invention has the advantages of strong sound absorbing and insulating performance, environmental protection and energy saving, anti-cracking and anti-insect, anti-mildew and anti-moisture, excellent insulating performance, and very good wall surface decorative effect.

The invention relates to the technical field of ship accessories, in particular to a sound-insulation plate for a hull. The sound-insulation plate for the hull comprises two outer plates and a noise-reduction assembly placed between the two outer plates; the noise-reduction assembly comprises a first noise-reduction plate and a second noise-reduction plate; the first noise-reduction plate is provided with a plurality of first noise-reduction holes; the first noise-reduction plate is provided with a plurality of first elastic bodies; the second noise-reduction plate is provided with a pluralityof second elastic bodies; the first elastic bodies are abutted to the second elastic bodies; a plurality of second noise-reduction holes are formed in the second elastic bodies; when the noise-reduction assembly is impacted by noise waves, the first noise-reduction plate can extrude the second noise-reduction plate; and when the noises enter a noise-reduction chamber form the first noise-reduction holes, the first elastic bodies can extrude the second elastic bodies, and noises can enter a noise-reduction cavity and then are reduced. The sound-insulation plate for the hull is reasonable and simple in structure, high in practicality and high in sound-insulation and noise-reduction ability.

The invention discloses a steaming-free aerated brick prepared by utilizing construction waste. The steaming-free aerated brick is prepared from the following components in parts by weight: 20 to 30 parts of the construction waste, 30 to 60 parts of pulverized fuel ash, 30 to 50 parts of cement, 5 to 10 parts of desulfurized dihydrate gypsum, 3 to 8 parts of quicklime, 0.5 to 1 part of aluminum powder paste, 4 to 6 parts of ultra-light ceramic particle, 1 to 5 parts of silica aerogel, 1 to 2 parts of naphthyl sulfonate formaldehyde condensate, 2 to 5 parts of retarding agent and 30 to 50 parts of water. The invention also discloses a preparation method of the steaming-free aerated brick. The steaming-free aerated brick made by using the method is light in weight, good in heat preservation performance and heat insulation performance, high in shock resistance ability and excellent in compression resistance performance, and has certain high temperature resistance performance, good sound insulation performance and high adaptability; further, the preparation method is simple; the production cost is low.

The invention relates to a preparation method of a porous red mud cement brick, which comprises the following steps: grinding 30-50% of red mud, 20-30% of sandstone, 20-40% of limestone and 4-10% of iron powder into a raw slurry, regulating until the raw slurry conforms to the technical indexes, removing most water by an inflow process with an evaporator, directly spraying into a rotary kiln, firing into cement clinker at 1400-1450 DEG C, carrying mix grinding on the clinker, 20-30% of blast furnace grain slag and 10-20% of gypsum in a cement grinder to a certain fineness, adding water into the mixture, stirring, adding 10-20% of straw powder, grinding, injecting into a mold, oscillating, molding, airing, calcining the aired brick in the kiln for 30-100 minutes, and curing under the pressure of 0.08-0.12 Mpa for 48-72 hours to obtain the required red mud cement brick. The method has the advantages of high utilization ratio of industrial waste residue, low cost, short maintenance time and low curing conditions.

The invention discloses a wall material and a production method thereof. The wall material comprises a substrate, a pattern layer, a transparent resin adhesive layer and a stone particle layer which are sequentially laminated from bottom to top, wherein the substrate contains 20 to 30 weight percent of non-halogen flame retardant; the transparent resin adhesive layer contains 70 to 80 weight percent of acrylic acid copolymer resin, 0.5 to 1 weight percent of thickening agent and 20 to 30 weight percent of non-halogen flame retardant; the stone particle layer comprises a plurality of stone particles; a part of each stone particle is embedded and adhered into the transparent resin adhesive layer. According to the wall material and the production method thereof, a product has high flexibility, and can be freely bent without dropping the stone particles; the whole product has high flame retardance, and is attractive in appearance and practical; in addition, the product also has the advantages of light weight, convenience in production and construction, high waterproof capability and sound insulation capability, environment friendliness and the like.

The invention discloses a core cell structure. The core cell structure comprises an outer layer and an inner layer, wherein both the outer layer and the inner layer are three-period minimal curved surfaces; a cavity is formed between the outer layer and the inner layer; a connecting plate for connecting the outer layer with the inner layer is arranged in the cavity; an upper opening and a lower opening which extend to the outside of the cavity and are opposite to each other are formed in each of the outer layer and the inner layer; and a plurality of lateral openings which extend to the outside of the cavity are formed in the peripheral side of each of the outer layer and the inner layer. The invention also discloses a core with a porous structure. The core with the porous structure comprises the core cell structures, wherein the adjacent core cell structures are in butt joint with each other through the corresponding opening, and the outer layers and the inner layers of the core cellstructures form a continuous curved surface. The invention also discloses a sandwich energy absorption structure which comprises a first interlayer, a second interlayer and the core with the porous structure, and the core with the porous structure is clamped between the first interlayer and the second interlayer. The core cell structure, the core with the porous structure and the sandwich energy absorption structure have the advantages of simple structure, high energy absorption efficiency and the like.

The invention discloses a foam concrete, which comprises admixture, cementing material and chemical auxiliary agent, wherein the weight percentage of the admixture in the foam concrete is 25-40%, the weight percentage of the cementing material in the foam concrete is 45-75%, the weight percentage of the chemical auxiliary agent in the foam concrete is 5-25%, the cementing material comprises cement clinker, calcium oxide and bone gelatin powder, and the mass ratio of the three ingredients in the cementing material is 2: 2: 1. The invention further discloses a preparation method of the foam concrete. The preparation method comprises the following steps: foam technology, slurry processing, chemical auxiliary agent processing, mixing, shaping and curing. The foam concrete has the advantages that the cementing material is made of cement clinker, calcium oxide and bone gelatin powder and the use of a great amount of cement is avoided, so that the coal resources required for producing cement is reduced, which not only relieves the tension of energy utilization, but also can improve the compressive strength, leakage resistance, sound insulation effect of the foam concrete.

The invention discloses a method for preparing a vanadium-titanium tailings ceramic heat-collecting plate. The method is characterized in that the vanadium-titanium tailings ceramic heat-collecting plate is composed of three parts, namely a heat collecting layer (1), a transition layer (2) and a heat preservation layer (3). According to the vanadium-titanium tailings ceramic heat-collecting plate prepared in accordance with the method disclosed by the invention, light waves with various frequencies can be sufficiently captured under the sunlight irradiation, so that the surface temperature of the vanadium-titanium tailings ceramic heat-collecting plate reaches 100 DEG C, and the heat conversion capability can reach more than 95%; the transition layer is additionally arranged between the heat collecting layer and the heat preservation layer by means of single firing, so that the disadvantages of overlarge diameters of air holes as well as reduced combination strength and thermal impact resistance caused by inconsistent material melting points of the heat collecting layer and the heat preservation layer are effectively overcome; the vanadium-titanium tailings ceramic heat-collecting plate with various colors, such as single color and composite color, can be prepared by means of adding a ceramic colorant; the production technology is simple, the cost is low, and the heat collecting efficiency is good.

The invention relates to an open-cell foam basalt material and a manufacturing method thereof and belongs to the field of basalt materials. According to the open-cell foam basalt material, the problems that an existing sound absorbing material has poor cycle utilization and complicated process are solved, and the open-cell foam basalt material is provided. The open-cell foam basalt material is formed by polymer sponge adsorbing basalt slurry and baking, the basalt slurry is made of, by mass content, 60-80% of basalt powder, 5-10% of dispersing agent and 10-20% of flux, the total mass percentage of each raw material is 100%, and the solid content in the slurry is 40-60%. The method includes the steps of pretreatment of organic body polymer sponge, preparation of basalt slurry, preparation of open-cell foam basalt green body, sintering of open-cell foam basalt and the like to prepare the open-cell foam basalt material. The open-cell foam basalt material can be applied to the processing and utilization of sound absorbing materials.

The invention discloses a construction technology of a soundproof inner wall. According to key points of the technical scheme, the construction technology includes the following steps that S1 removalis performed, specifically, a painting layer on the inner surface of an original wall is completely removed, and then an interface agent is painted on the wall surface; S2 repair is performed, specifically, then white glue is pasted to cracks of the inner wall surface, then gridding cloth is laid on the entire inner wall surface, and cement mortar is painted until the wall surface is flat; S3 painting is performed, specifically, first a layer of base putty is painted, then two layers of surface putty are painted, after polishing, a layer of alkali-resistant primer is painted, then three layersof soundproof coat are painted, a soundproof coating is formed, and finally two layers of latex finishing coat are painted; and the soundproof coating is prepared from the following components in parts by weight: 35 to 40 parts of water-borne epoxy resin emulsion, 15 to 20 parts of a curing agent, 40 to 45 parts of rubber modified nano inorganic filler, 5 to 8 parts of compatibilizer, 3 to 5 parts of montmorillonite, 5 to 8 parts of mica powder, 0.15 to 0.3 part of a leveling agent, 0.3 to 0.5 part of dispersant, 0.1 to 0.2 part of defoamer, and 15 to 20 parts of water. The construction technology has the following advantages that the soundproof coating is good in soundproof effect and good in toughness.