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49results about How to "Has breathing function" patented technology

Direct-compress EPS inorganic clad plate and exterior outer-insulating system and construction method thereof

The invention discloses an external insulation system and a construction method of a straight compressing EPS inorganic composite plate. The external wall firstly pre-produces the straight compressing EPS inorganic composite plate or a straight compressing EPS inorganic composite decorative board in a factory and compresses an inorganic composite enhancement layer onto a single-side of an expanded EPS plate by using a mechanical method; the outer surfaces of a base course wall of a building all adopt the EPS inorganic composite plate which adheres to a leveling blanket through bonding sands; the slab joint is pointed by jointing material and the outside of the jointing material is sealed again by weather proofing sealant; and a finish is arranged at the lateral of the system. The invention is characterized by the anti-crack, the good durability, the reliability and safety, the low cost and the fast construction.
Owner:余景春

Desulfurization gypsum-based thermal insulation mortar and preparation method thereof

The invention relates to a desulfurization gypsum-based thermal insulation mortar and a preparation method of the mortar, belonging to the technical fields of solid waste comprehensive utilization and building material. The desulfurization gypsum-based thermal insulation mortar comprises the components in parts by weight: 1000 parts of desulfurization gypsum, 3-10 parts of white cement, 350-450 parts of glass beads, 5-15 parts of redispersible latex powder, 1-5 parts of wood fiber, 5-25 parts of sepiolite fiber, 1.5-5 parts of polypropylene (PP) fiber, 1-8 parts of polyvinyl alcohol, 1-5 parts of hydrophobic agent, 0.4-3 parts of retarder, 1-5 parts of water reducing agent and 2-6 parts of thickening agent. The desulfurization gypsum-based thermal insulation mortar is convenient to transport and has very strong thermal insulation performance and fireproof performance.
Owner:上海复培新材料科技有限公司

Ecotypic-gypsum-based dry powder coating

The invention discloses an ecotypic-gypsum-based dry powder coating. The coating comprises the following components in percentage by weight: 35 to 70 percent of gypsum powder, 10 to 20 percent of slag powder, 5 to 10 percent of white cement, 2 to 6 percent of exciting agent, 0 to 26 percent of filler, 1 to 10 percent of pigment, 6 to 10 percent of tackifier, 1 to 2 percent of thixotropic agent, 0.1 to 0.5 percent of dispersing agent, 0.05 to 0.5 percent of water-retaining agent, and 0.1 to 0.5 percent of antifoaming agent. The raw materials are easily obtained; the production process and equipment are simple; during construction, the coating can be mixed with cold water, can be used for roller coating and brush coating, has high covering power, can also be scumbled, and can be connected firmly; and powder does not fall off, and the indoor humidity can be adjusted.
Owner:长沙归一新材料科技股份有限公司

A diatom ooze decoration material and a preparing method thereof

A diatom ooze decoration material is disclosed. Raw materials of the decoration material include, by weight, 30-50 parts of diatomite, 7-13 parts of bentonite, 10-20 parts of calcined kaolin, 3-8 parts of modified nanometer bamboo charcoal powder, 6-14 parts of mica powder, 5-10 parts of titanium dioxide, 1-2 parts of hydroxypropyl methyl cellulose, 3-5 parts of anti-cracking fibers, 4-9 parts of graphene oxide, 2-3 parts of a tourmaline powder anion additive, 7-11 parts of a modifier, 1.5-2.5 parts of a dispersant, 6-13 parts of an inorganic adhesive, and 0.5-1.5 parts of a catalyst-grade nanometer zinc oxide. The decoration material has characteristics of zero VOC, and capability of being temperature-resistant, fireproof and wear-resistant, has a plurality of functions, such as a breathing function and a function of adsorbing formaldehyde, toluene and other organic matters, has stable performance and long effective service lifetime.
Owner:HEFEI GUANGMIN BUILDING MATERIAL CO LTD

Biologic waterproof glue and usage

A biologic water-proof adhesive for building, wood, metal, ceramic, glass, etc is prepared from glutinous rice, water, ethene-vinyl acetate emulsion, dioctyl phthalate, PVC, tung oil, acrylic emulsion and natural rubber. Its advantages are high weatherability, adhesion, tension strength, elongation percentage for breaking and resistance to water, acid and alkali.
Owner:赵春发 +1

Gypsum base swelling perlite heat-insulating mortar dry powder and its usage method

The invention relates to a gypsum base swelling perlite heat-insulating mortar dry powder, wherein each unit of the thermal insulating mortar dried powder comprises the following raw material as the components: expanded perlite 0.9-1.1m3, beta CaSO4*1 / 2H2O 145-165kg, common silicate cement 18-22kg, grade I coal ash and / or grade II coal ash and / or high calcium ash 45-65kg, polypropylene fiber 0.4-1kg, 80-100 mesh heavy calcium powder and / or calcium carbonate powder 1.3-1.7kg, cellulose methyl and / or methylcellulose propylene glycol ether 1.5-2.5kg, gypsum retarder 3.0-5.0kg and sodium dodecyl silicate 0.008-0.013kg.
Owner:NANJING CENGO ENERGY SAVING MATERIAL

Self-heat preservation building block produced by using industrial byproduct gypsum and preparation method thereof

The invention discloses a self-heat preservation building block produced by using industrial byproduct gypsum and a preparation method thereof. The preparation method comprises the following steps of: preparing 43-46 parts by weight of industrial byproduct gypsum, 14-16 parts by weight of steel slag, 4-6 parts by weight of kaolin, 0.30-0.40 parts by weight of micro mineral powder, 18-22 parts by weight of cement and 4-6 parts by weight of volcanic ash excitant, finely grinding into to 200 meshes through a Raymond mill, then adding 4.0-5.0 parts by weight of hydrogen peroxide, 3-6 parts by weight of hydroxypropyl methyl cellulose, 2-4 parts by weight of heat stabilizer and 35-45 parts by weight of 40-45 DEG C warm water, stirring and mixing, pouring into a mold, carrying out wet maintenance for 3-4 hours after molding, and carrying out normal temperature maintenance for 10-15 days. The preparation method has the advantages that a conventional method for producing light-weight thermal mortar by taking cement as a main raw material and adding materials such as pulverized fuel ash and slag is broken through, gypsum serves as a bran-new binding material to be applied to the mortar, a production technology is simplified due to adoption of a calcination-free technology, and the shortcomings of high investment, high cost, energy dissipation and pollution existing in a conventional calcination technology are overcome.
Owner:上海鹊之家建筑科技有限公司

Gypsum-based pre-mixed mortar and preparation method thereof

The invention provides a gypsum-based ready-mixed mortar and a preparation method thereof. The ready-mixed mortar comprises 450-500 parts of hemihydrate gypsum, 550-600 parts of aggregate, 0.7-1.5 parts of compound modification additive, 0.2-1.0 part of foaming agent and 1-10 parts of setting retarder. The preparation method includes the following steps: mixing hemihydrate gypsum, aggregate, compound modification additive, foaming agent and retarder to obtain ready-mixed mortar. The gypsum-based ready-mixed mortar has strong adhesion to the substrate, which overcomes the shortcomings of easy cracking and hollowing in the use of traditional cement-based ready-mixed mortar; the one-time survival thickness is 4mm-2cm, which is smooth to the wall surface The requirements for the degree of strength are not high, and the construction requirements are greatly reduced; the hardening is fast, which can speed up the construction progress; the cost is low, and at the same time, it also has the advantages of good fire resistance, automatic temperature adjustment function, and light weight.
Owner:GUIZHOU TENGFENG TECH CO LTD

Wall internal and external combination heat-preservation system

The invention relates to a wall internal and external combination heat-preservation system. The wall internal and external combination heat-preservation system is composed of a wall (4), an external hear-preservation layer and an internal heat-preservation layer and is characterized in that the external heat-preservation layer is composed of an anti-crack type cement leveling mortar layer (3), a building heat-preservation putty layer (2) and a building reflecting heat-insulation coating layer (1); and the internal heat-preservation layer is composed of a modified desulfurized gypsum heat-preservation mortar layer, an inner wall putty layer and an inner wall coating layer. The wall internal and external combination heat-preservation system is suitable for energy-saving and heat-preservationengineering for newly-built, rebuilt and expanded residential buildings and public buildings in regions hot in summer and cold in winter, regions hot in summer and warm in winter and parts of cold regions, and can be used for energy-saving transformation of outer walls of existing buildings, and the heat-insulation, heat-preservation and energy-saving effects of the buildings can be achieved completely.
Owner:SHANGHAI YUPEI SPECIAL BUILDING MATERIAL +1

Gypsum block masonry and construction method thereof

The invention discloses a construction technology for gypsum block masonry. The gypsum block masonry has a simple structure and attractive appearance, is convenient to construct, environment-friendly, fire-resistant and quake-proof, and saves manufacturing cost. The construction technology comprises masonry of the gypsum block masonry and construction of decorative layers. The invention has the technical key point that: a wall cushion is arranged on the lower part of the gypsum block masonry; gypsum blocks of the gypsum block masonry are in lap joint with one another in an up-and-down staggered mode and are constructed by using binding slurry; the gypsum block masonry is provided with tie bars equidistantly on each gypsum block along a main body structural column or a wall height direction; and the tie bars extend into the masonry. By the construction technology for the gypsum block masonry, the technical problems of low efficiency, long construction period, large pollution, large occupied space of heavy walls and non-low-carbon and non-environment-friendly building materials in the traditional partition wall construction technology are solved.
Owner:NANTONG CONSTR PROJECT GENERAL CONTRACTING

Decorating mineral slag and desulfurized gypsum composite plate for building

The invention belongs to the technical field of building decorating materials and relates to a building decorating plate produced by using mineral slag and desulfurized gypsum as main raw materials. The decorating mineral slag and desulfurized gypsum composite plate for a building is prepared from the following raw materials in percentage by weight: 100 parts of mineral slag, 50 to 80 parts of desulfurized gypsum, 0.5 to 3 parts of salt cake, 0.5 to 4 parts of alum, 1 to 5 parts of water glass, 2 to 7 parts of lime hydrate, 1 to 4 parts of chopped glass fiber and 1 to 3 parts of VAE latex, and the mass ratio of the water to the raw materials is 0.40-0.70. The decorating mineral slag and desulfurized gypsum composite plate for the building has the characteristics of light weight, heat insulation, sound insulation, fire resistance, water resistance, worm resistance, breathing function and the like, has the advantages of low production cost, energy conservation and environment friendliness, and is a green and environment-friendly building decorating material.
Owner:UNIV OF JINAN

High-strength waterproof gypsum plaster prepared from waste slag in the fluorine chemical industry and preparation method of the gypsum plaster

ActiveCN103626410ALow costCan adjust indoor humidityChemical industrySocial benefits
The invention discloses a high-strength waterproof gypsum plaster prepared from waste slag in the fluorine chemical industry. The gypsum plaster is characterized by being prepared form following raw materials by weight: 50-99% of fluorine gypsum powder, 0-40% of an active admixture, 0-20% of silicon-containing pressure slag, 0.5-20% of an alkaline activator, 0.2-5% of a sulfate activator, 0.1%-1% of a tackifier and 0.05%-0.5% of a water-retaining agent. According to the gypsum plaster, the raw materials are easily available, production technology and equipment are simple, the cost is low, and the gypsum plaster has breathing functions. During construction, the gypsum plaster can be blended by using cold water, and is suitable for mechanical spraying, roller coating and brush coating. The gypsum plaster has strong covering power and can be thinly coated. Connection is firm and no powder falls. The gypsum plaster has good economic benefit, social benefit and environmental benefit.
Owner:HUNAN NONFERROUS ENVIRONMENTAL PROTECTION BUILDING MATERIALS

Polystyrene foam compound light sandwich panel using slags

The invention belongs to the technical field of novel building materials and relates to a light sandwich panel which uses slags as main surface materials and is manufactured by compounding on a polystyrene foam plastic panel core material, wherein, the sandwich panel is provided with ladder-shaped, triangular or semi-circular grooves at both sides. The surface materials coated on the exterior of the polystyrene foam plastic panel in the invention are manufactured by the following raw materials in parts by weight: 100 parts of slag powder, 2-7 parts of sulphate aluminium cement, 1.5-5.5 parts of desulfurized building gypsum, 0.5-5 parts of mirabilite and 4-11 parts of quicklime; the mass ratio of the water to the raw materials is 0.45 to 0.70. The product of the invention has the performance up to the national quality standard, is light in weight and high in strength, has the functions of thermal insulation, sound insulation and the like, and is a wall material that can be applied to frame-structured buildings.
Owner:UNIV OF JINAN

Thermal shirt and production method thereof

The invention discloses a thermal shirt and a production method thereof. The shirt comprises fabric and an inner lining. The thermal shirt is characterized in that the fabric is made of combing pure cotton, cotton linen, polyester cotton or polyester-viscose textile; yarn counts are 10-20; the inner lining is made of textile identical with the fabric and is the textile subjected to napping treatment; and a napping surface is positioned on one side facing to a human body. The thermal shirt and the production method disclosed by the invention have the advantages of simplenes in process, convenience in operation, work time saving and high production efficiency; the shirt not only has the characteristics of flatness, attractiveness, elegance and stiffness and smoothness owned by a general shirt, but also has the effects of heat insulation, thermal insulation and comfortableness and fullness for wearing; the shirt fabric is subjected to film coating processing treatment, so that the thermal shirt is favorable in heat-insulating effect, is not easy to penetrate by outside cold air and ensures that the body surface temperature is not easy to dissipate; and a film has a breathing function of human skin, so that the air closing is avoided.
Owner:NANTONG TIAMO CLOTHING TECH

Preparation method of nanometer hydrophobic calcium oxalate powder for protection coating of stone cultural relics

The invention relates to a preparation method of nanometer hydrophobic calcium oxalate powder for a protection coating of stone cultural relics. The preparation method comprises preparing calcium oxalate and modifying the prepared calcium oxalate. The nanometer hydrophobic calcium oxalate powder has bionic performances, good hydrophobicity, good weatherability, good abrasion resistance and a long service life and does not damage stone cultural relics after losing effect. The preparation method has the advantages of simple processes, good production conditions, low processing cost and effective prevention of erosion of stone cultural relics.
Owner:LUOYANG INST OF SCI & TECH

Non-autoclaved aerated phosphogypsum-based concrete block preparation method

The invention discloses a non-autoclaved aerated phosphogypsum-based concrete block preparation method and solves problems of high one-time investment, high energy consumption and easiness in crackingof aerated phosphogypsum-based concrete blocks in the prior art. The preparation method includes: preparing, by weight, 40-60 parts of ardealite, 5-15 parts of slag powder, 5-10 parts of carbide slag, 5-15 parts of coal ash, 25-40 parts of cement, 0.1-0.15 part of silica sol and 0.07-0.1 part of aluminum powder paste; adding the raw materials into a stirring tank, adding hot water, stirring, adding aluminum powder paste, and stirring to obtain mixed slurry; immediately discharging the mixed slurry from the stirring tank into a steel mould through a chute, and after pouring, sending through arail to a curing area to realize foaming and hardening; cutting a cured and hardened cast material into blocks, and performing normal-temperature moisture curing; transferring through the rail to a natural drying and dewatering area to pile up, and detecting to obtain a qualified finished product. The method has advantages that making full use of industrial byproducts is realized, investment reduction and energy consumption reduction are realized, and the prepared product is high in quality and less prone to cracking.
Owner:SICHUAN SHIFANG XINGTIANFENG TECH CO LTD

Three-phase oil-immersed distribution transformer with forced directed cooling

The invention provides a forced-guided cooling three-phase oil-immersed distribution transformer, which includes a transformer body, the transformer body includes an oil tank, the oil tank is filled with high-temperature-resistant insulating oil, and a transformer core is installed in the oil tank. The transformer core is submerged in the high temperature resistant insulating oil, wherein at least one side wall of the oil tank is connected to a bellows box, and the outer side of the bellows box is connected to a circulation lift pump. The invention provides a forced-guided cooling three-phase oil-immersed distribution transformer. The oil tank adopts a corrugated shape to form a breathing chamber, so that the oil tank has a breathing function, which can compensate for the volume change of the oil caused by the temperature change, and replaces the oil storage tank. , to isolate the transformer oil from the outside world, which can effectively prevent oxygen and water from entering the oil tank, resulting in a decrease in insulation performance. Exchange performance.
Owner:江苏凡高电气有限公司

Interior wall dry powder mortar

The invention relates to interior wall dry powder mortar, which is prepared from the following raw materials in percentage by weight: 20 to 50 percent of desulphurization gypsum, 20 to 50 percent of artificial sand, 1 to 3 percent of water-retaining agents, 3 to 5 percent of wood fiber and 0.5 to 1 percent of composite retarders. The prepared interior wall dry powder mortar has the advantages that the raw materials use solid waste such as desulphurization gypsum and building decoration waste, so that the resources are saved; the environment pollution is avoided; the manufacturing cost is also reduced. The interior wall dry powder mortar has good workability and water preservation performance; the hardening of a floated coat is fast; the curing period is short; the advantages of strong bonding force, no shrinkage, no hollowing, no cracking, sound absorption, crack resistance and the like are also realized; the interior wall dry powder mortar is suitable for industrial production and popularization and application.
Owner:上海漕源新型建材有限公司 +1

Pure silicon resin composite paint

The invention discloses pure silicon resin composite paint. The pure silicon resin composite paint comprises, according to content ratio, 20-40 parts of water, 5-10 parts of dispersing agents, 2-5 parts of sodium polyphosphate, 2-5 parts of preservatives, 2-4 parts of bactericides, 6-12 parts of hydroxyethyl celluloses, 3-6 parts of antifoaming agents, 5-10 parts of dicarboxylic acid diisobutyl ester, 8-14 parts of titanium dioxide powder, 20-30 parts of calcium carbonate, 30-40 parts of mica quartz fillers, 15-30 parts of talcum powder, 10-30 parts of kieselguhr, 25-40 parts of pure silicon resin emulsion, 8-12 parts of organosilicone water repellents, 3-6 parts of sodium hydroxide, 30-50 parts of benzene acrylic / acrylic emulsion and 4-8 parts of polyurethane thickening agents. The pure silicon resin composite paint has the advantages that a coating of the paint has a breathing function, and the paint is good in breathability, weather fastness and stain resistance.
Owner:SUZHOU MINGXUAN FLOORING COATINGS

Gypsum-based self-leveling mortar and preparation method thereof

The invention relates to gypsum-based self-leveling mortar and a preparation method thereof. The gypsum-based self-leveling mortar comprises, by weight, 40-60 parts of anhydrite, 4-6 parts of cement,40-60 parts of quartz sand, 0.06-0.10 part of retarder, 0.06-0.08 part of water reducing agent, 0.08-0.10 part of water-retaining agent, 0.05-0.08 part of defoaming agent and 2-3 parts of redispersible latex powder. The preparation method includes: weighing the components according to the weight, and evenly mixing to obtain the gypsum-based self-leveling mortar. The gypsum-based self-leveling mortar is good in thermal insulation and sound insulation performance, capable of effectively increasing construction speed during use, capable of saving a large amount of manpower and capable of increasing the flatness of leveling operation.
Owner:王明忠

Wood-plastic plate and preparation method thereof

The invention relates to a wood-plastic plate produced by using industrial by-product gypsum as a main raw material and a preparation method of the wood-plastic plate. The wood-plastic plate comprises the following raw materials in parts by weight: 55-65 parts of modified industrial byproduct gypsum, 35-45 parts of waste plastic particles, 0.1-1 part of a heat stabilizer and 0.1-1 part of a lubricant. The wood-plastic plate and the preparation method thereof disclosed by the invention have the following beneficial effects that 1, the defects of poor fireproof performance and high material comprehensive cost brought by wood-plastic plates produced in the prior art are solved; 2, industrial waste residues and waste plastic are mainly used as the raw materials, and thus the effective utilization of the wastes is realized, the material comprehensive cost is low, and quite high economic benefits can be produced, meanwhile, coal-fired power generation enterprises and chemical enterprises are also helped to digest the industrial by-product gypsum discharged for a long time.
Owner:魏春玲

Microchannel gas discharging and water draining device for large-capacity heat storage sink

The invention relates to a microchannel gas discharging and water draining device for a large-capacity heat storage sink. A side face flexible obstructing layer arranged on the side face of a heat storage water body and a top flexible obstructing layer arranged on the surface of the heat storage water body are included; the side edges of the side face flexible obstructing layer and the top flexible obstructing layer stretch onto a cofferdam of the heat storage sink and then are overturned outwards downwardly to form a bottom groove and an upper groove correspondingly; the upper groove is located above the bottom groove; the space between the upper groove and the bottom groove is filled with a porous medium material, and a micro channel is formed; and gas formed in the heat storage water body or water overflowing outwards is discharged out of the micro channel. The device solves the problems that because gas in the heat storage water body cannot be discharged out, a heat preserving cover deforms, is dislocated and the like.
Owner:樊建华

Inner wall desulfurization gypsum putty

InactiveCN110305516ALow costEase of use for marketingFilling pastesScrapIndustrial waste
The invention belongs to the field of building materials, and discloses an inner wall desulfurization gypsum putty. The inner wall desulfurization gypsum putty is prepared from the components in percentage by weight: 20-30 % of flue gas desulfurization gypsum, 10-20 % of coal ash, 5-10 % of ash calcium powder, 30-40 % of ground calcium carbonate, 8-12 % of bentonite, 5-10 % of talc, 0.5-3 % of re-dispersible latex powder and 0.3-0.5% of methyl cellulose ether. According to the inner wall desulfurization gypsum putty, industrial waste and local materials are used as main raw materials, for example, the flue gas desulfurization gypsum, the coal ash, the bentonite and the like are used, the cost of putty can be lowered, the performance of the putty is excellent, the drying time is short, theconstruction time can be shortened, a certain heat preservation and insulation performance is achieved, the humidity can be adjusted, air is purified, the comfort degree of indoor living is improved,green energy saving is achieved, and the inner wall desulfurization gypsum puttyaccords with the application requirement in modern building engineering.
Owner:中山爱因新材料有限公司

Gypsum and preparation method thereof

The invention discloses gypsum and a preparation method thereof. Lightweight plastered gypsum is formed by mixing 20-70 parts of desulfurized gypsum powder, 10-30 parts of slag micro-powder, 10-40 parts of slag, 5-10 parts of cement, 5-10 parts of bentonite, an appropriate part of retarder and an appropriate part of hydroxy propionate formaldehyde cellulose according to a weight ratio. According to the lightweight plastered gypsum and the preparation method, by adopting the desulfurized gypsum, the slag, the slag micro-powder and other raw materials for preparing the lightweight plastered gypsum, the problem of waste utilization is solved, environmental protection is facilitated, waste of resources is avoided, and meanwhile, the prepared lightweight plastered gypsum has great bonding performance; after basic layers of wall bodies are cleaned, the gypsum can be directly used for plastering different wall bodies. After a plastered layer is molded, the layer has a microdilatancy functionwithout shrinkage and generation of small cracks and can avoid hollowing and cracking phenomena after use; the gypsum has the advantages of being healthy, environmentally friendly, durable for a longtime, great in bonding strength, resistant to pulverization, cracking, hollowing and weathering and excellent in fireproof performance and thermal insulation performance and is conducive to improvement of architecture.
Owner:东台市卢顺建材有限公司

Intelligent three-phase oil-immerse power distribution transformer

InactiveCN106710812APrevent turn-to-turn short circuitCompensation for volume changesTransformers/inductances coolingElectric component structural associationDistribution transformerLevel sensor
The invention provides an intelligent three-phase oil-immerse power distribution transformer. The transformer comprises a transformer body. The transformer body comprises an oil tank which is filled with high temperature resistant insulation oil. A transformer core body is arranged in the oil tank, and is immersed in the high temperature resistant insulation oil, wherein one side of the oil tank is provided with an auxiliary oil tank which is filled with the high temperature resistant insulation oil. The auxiliary oil tank is communicated with the oil tank. A check valve is arranged between the auxiliary oil tank and the oil tank. According to the intelligent three-phase oil-immerse power distribution transformer, when the liquid level of the high temperature insulation oil drops to the water level at the lowermost side position of the hydraulic sensor, a level sensor sends a signal to a controller which receives the signal sent by the level sensor and controls the check valve to open and control the oil pump to open at the same time to extract the spare oil in the auxiliary oil tank. The high temperature insulation oil is supplemented into the oil tank through an oil inlet to prevent the winding from being exposed out of the oil surface and prevent the turn-to-turn short circuit caused therefrom.
Owner:江苏凡高电气有限公司

Concrete-powder-containing gypsum based leveling putty and preparation method thereof

The invention discloses concrete-powder-containing gypsum based leveling putty and a preparation method thereof. The gypsum based leveling putty is prepared from, by weight, 400-700 parts of desulfurized gypsum powder, 300-600 parts of construction concrete powder, 1-5 parts of a water-retaining agent, 0.1-1 part of an anti-yellowing agent, 1-20 parts of dispersible emulsion powder, 1-3 parts of awater repellent, 0.1-1 part of a retarder, 1-5 parts of industrial tartaric acid, 0.5-2 parts of starch ether, 1-3 parts of an coagulation accelerator and 1-3 parts of a mould inhibitor. The desulfurized gypsum powder refers to beta semi-hydrated gypsum obtained by calcining of waste residues generated after coal-fired power plant flue gas desulfurization, and the construction concrete powder isan inorganic component obtained by grinding, screening and deironing treatment of construction concrete residues and brick residues. The gypsum based leveling putty has functions of automatic moistureabsorption and automatic moisture release and has advantages of great heat insulation and fireproof performances, convenience in construction and saving of a construction period. The preparation method is simple and convenient, and an environment-friendly efficient construction material is provided for the home decoration industry and the coating industry.
Owner:龙牌粉料(太仓)有限公司

Aerated phosphorus building gypsum heat preservation block and preparation method thereof

The invention discloses an aerated phosphorus building gypsum heat preservation block and a preparation method thereof. The aerated phosphorus building gypsum heat preservation block is prepared fromthe following raw materials by mass percent: 71-82% of phosphorus building gypsum, 4-6% of calcium carbonate, 7.5-10% of aluminum sulfate, 2-3% of a foam stabilizer, 0.75-1.5% of a retarder, 0.75-1.5%of a water reducing agent and 1.5-3% of chopped fiber. The aerated phosphorus building gypsum heat preservation block prepared by the invention is excellent in the aspects of mechanical property andlight-weight heat preservation, accumulated industrial byproduct gypsum is utilized to produce the aerated phosphorus building gypsum heat preservation block, a block body material, which is good in heat preservation effect and light in self-weight and has good compression resistance and crack resistance, is produced when the utilization of solid waste and environmental protection are simultaneously solved, the material has a positive meaning in the aspects of resource saving and environmental protection, a large quantity of phosphorus building gypsum can be utilized for the material, and thematerial can be recycled, thereby being more environmentally friendly.
Owner:KUNMING UNIV OF SCI & TECH

Air-cooling three-phase oil-immersed distribution transformer

The invention provides an air-cooling three-phase oil-immersed distribution transformer. The air-cooling three-phase oil-immersed distribution transformer comprises a transformer body. The transformer body comprises an oil box. The oil box is filled with high temperature resistant insulating oil. A transformer core is installed in the oil box, and the transformer core is immersed in the high temperature resistant insulating oil. At least one side wall of the oil box is communicated with a ripple tank. One side of the ripple tank is provided with a cooling fan of the ripple tank. The air outlet of the cooling fan of the ripple tank faces to the interior of the oil box. The provided air-cooling three-phase oil-immersed distribution transformer is capable of, through the cooling fan installed under the ripple tank, improving the cooling rate of the high temperature resistant insulating oil in the ripple tank, and further improving the heat-radiating cooling efficiency of the transformer through a cooling fan installed on the side face of the oil box. In addition, the back face of the cooling fan of the oil box is further provided with a self-cooling grating convenient for the self-cooling of the cooling fan of the oil box.
Owner:江苏凡高电气有限公司
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