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135results about How to "With thermal insulation effect" patented technology

Concrete construction material for spraying

The invention discloses a concrete building material used for spraying, which has the components with the weight percent of 7-13 percent of magnesia, 25-35 percent of monopotassium phosphate, 15-45 percent of quartz sand, 15-25 percent of fly ash, 1-2 percent of boric acid or borax or citric acid and 1-2 percent of calcium lignosulphonate or sodium lignosulphonate. The material can be directly used for spraying on an EPS heat insulating plate to form a heat insulating system, so as to be used as a wall body, and the material has excellent bonding performance with the EPS heat insulating plate. The wall surface sprayed by the material has favorable waterproof, fireproof performances and favorable mechanical performance and greatly shortens the construction period.
Owner:SHANGHAI JIAO TONG UNIV

Thermal insulation sheet material and preparation method thereof

The invention, belonging to the field of building materials, particularly relates to a lightweight thermal insulation sheet material for building walls. The thermal insulation sheet material comprises the following ingredients: 8.5-10.5 weight portions of fly ash floating bead, 30-38 weight portions of closed cell perlite, 43-52 weight portions of cement, 7-8.5 weight portions of bentonite, 0.04-0.06 weight portions of cellulose ether, 0.07-0.09 weight portions of short fiber, 0.04-0.06 weight portions of wood fiber, and 0.3-0.4 weight portions of gelatine powder. The thermal insulation sheetmaterial is prepared by using organic materials, and has the characteristics of no toxicity, good thermal insulation property, high temperature resistance, low temperature resistance, non-inflammableproperty, high efficiency, and aging resistance. When the thermal insulation sheet material is used for building walls, the thermal insulation property of the sheet material can not be reduced with time, and the sheet material has the same service life with the building.
Owner:安徽瑞蒙科技有限公司

Glaze material with heat-insulation and heat-preservation functions and preparation method of glaze material

InactiveCN103755389ASuperior insulationNot easy to change colorPotassium feldsparNano sio2
The invention discloses a glaze material with heat-insulation and heat-preservation functions and a preparation method of the glaze material, belonging to the technical field of glaze materials. The glaze material is prepared from the following raw materials in parts by weight: 15-35 parts of potassium feldspar, 15-35 parts of soda feldspar, 5-20 parts of kaolin, 1-15 parts of sepiolite, 1-15 parts of expanded perlite, 1-15 parts of nano SiO2, 1-10 parts of magnesium carbonate powder, 1-10 parts of calcium carbonate powder, 1-10 parts of ZnO powder, and 1-10 parts of TiO2 powder. The preparation method is prepared by the steps of mixing raw materials, ball milling and sieving. The glaze material has good heat-insulation and heat-preservation functions and good ageing resistance and contamination resistance; the raw materials for preparation are low in price, and therefore, the glaze material has low production cost, simple preparation process, stable performances, and is convenient for industrialization production and popularization and application.
Owner:宾阳县明翔新材料科技有限公司

EPE material for crawling pad, preparation method of EPE material and crawling pad

The invention discloses an EPE material for a crawling pad, a preparation method of the EPE material and the crawling pad. The EPE material comprises the following components in parts by mass: 90-100 parts of low density polyethylene, 5-8 parts of a silane coupling agent, 0.5-2 parts of a butane foaming agent, 40-70 parts of talcum powder, 2-5 parts of glyceride, 1-3 parts of zinc oxide and 0.5-2 parts of stearic acid. The crawling pad prepared from the EPE material is favorable in water resistance, is flexible, light and elastic, can absorb and disperse external impact force through bending to achieve a buffer effect, overcomes the defects of deformation and poor rebound resilience, and meanwhile, has a thermal insulating effect and is easy to clean.
Owner:SUZHOU JIUDING

Roof heat preservation anti-leakage system and heat preservation anti-leakage roof structure using same

The invention discloses a roof heat preservation anti-leakage system and a heat preservation anti-leakage roof structure using the system. The heat preservation anti-leakage roof structure comprises a roof layer and the roof heat preservation anti-leakage system covering the roof layer, wherein the roof layer is in the form of reinforced concrete precast slab, and the roof heat preservation anti-leakage system comprises an anti-leakage layer, a heat preservation layer and protection layers. The heat preservation layer is arranged above the anti-leakage layer, and the protection layers are adjacently connected with the anti-leakage layer and arranged at the upper and lower sides of the anti-leakage layer. The anti-leakage layer is a water-proof air-permeable sand layer and the heat preservation layer is a hollow heat-insulated water storage brick layer. The sand-based roof heat preservation anti-leakage system according to the invention integrates the functions of heat preservation, anti-leakage and beautification as well as has simple structure and low construction and maintenance costs.
Owner:BEIJING RECHSAND SCI & TECH GRP

Energy-saving and environmentally friendly composite floor and manufacturing method thereof

The invention discloses an energy-saving and environmentally friendly composite floor and a manufacturing method of the energy-saving and environmentally friendly composite floor. The purpose is to provide the energy-saving and environmentally friendly composite floor which is cheap, convenient to manufacture, few in consumed raw wood, beautiful in appearance, good in quality and high in production efficiency. The energy-saving and environmentally friendly composite floor comprises a panel and a bottom plate, wherein the panel and the bottom plate are made of wood veneers and arranged on the upper surface and the lower surface of the floor respectively. A core plate is arranged between the panel and the bottom plate in a sandwiched mode. The composite floor is characterized in that the core plate is made of polyurethane foaming materials. Tongue-and-grooves or tenons are formed in the side faces around the floor and spliced mutually. The composite floor can effectively block water and moisture and has a moisture-proof effect and effects of heat preservation and heat insulation, when an air conditioner is turned on in summer or in winter, indoor temperature can be effectively kept, heat exchanging is reduced, and energy is saved. Particularly, woods are greatly saved, and the composite floor plays an obvious role in protecting forest resources and the ecological environment. The possibility that formaldehyde is contained in adhesive, and therefore the health is harmed is also avoided. The composite floor is a novel floor which is really green, safe and environmentally friendly and saves the energy.
Owner:JIASHAN JIASHUN PLASTIC

Materials composition and processing method for composite fiber

The invention discloses a material composting and manufacturing method of composite fiber, which consists of silica gel foaming layer with insulating effect and silica gel reflecting layer, wherein the silica gel foaming material is attached on the fiber cloth to extend silica gel foaming layer, which proceeds foaming and bridging reaction in the steam sulphur tank; the silica gel foaming material is fetched out coated by liquid silica gel, which forms flexible composite fiber at lower temperature after cooling.
Owner:FORMOSAN RUBBER GRP

Internal and external double-circulating double-layer curtain wall

The present invention relates to an internal and external double-circulation double-layer curtain wall. Every basic module of said curtain wall includes daylighting portion and ventilation device. The internal layer curtain wall bottom portion of said daylighting portion is equipped with air vent. It is characterized by that said ventilation device includes air intake mechanism and air exhaust mechanism, the air inlet of said air intake mechanism is communicated with outdoor space, and the air outlet of said air intake mechanism is positioned under the daylighting portion and is communicated with air spacing layer of daylightng portion, on the air inlet a stop valve is mounted; the air inlet of air exhaust mechanism is positioned over the daylighting portion and is communicated with air spacing layer of daylighting portion, the air outlet of air exhaust mechanism is communicated with outdoor space, on the air exhaust mechanism an air exhaust equipment is set.
Owner:SHENYANG YUANDA ALUMINUM IND GROUP

Heat-insulating plastering gypsum for building interior wall and preparation method thereof

The invention discloses heat-insulating plastering gypsum for a building interior wall and a preparation method thereof and relates to the technical field of plastering gypsum. The heat-insulating plastering gypsum comprises 55-75 parts of desulfurized gypsum, 20-30 parts of natural gypsum, 15-20 parts of cement, 15-20 parts of heat-insulating filler, 10-15 parts of modified heavy calcium carbonate, 10-15 parts of plant source additive, 5-10 parts of rubber powder, 5-10 parts of modified expandable graphite and 7-12 parts of auxiliary. The preparation method includes: pretreating the natural gypsum. The heat-insulating plastering gypsum is used for being brushed on the building interior wall, is excellent in heat-insulating performance and has high adhesiveness, and a coating is free of shrinking and cracking and less prone to shedding.
Owner:HEFEI FENGTENG ENERGY SAVING TECH CO LTD

Composite plywood

The invention discloses composite plywood. The composite plywood comprises a board body, wherein the board body comprises a surface board part, a core board part, a bottom board part and anti-flaming gluing layers arranged between the board parts, wherein both the surface board part and the bottom board part are hot-pressed high-density veneers, the periphery of the board body is wrapped in a pest preventing layer, and the periphery of the pest prevention layer is coated with a protective layer. The composite plywood has the advantages of being simple in structure, easy to manufacture, resistant to water, fire, pest and corrosion, capable of isolating sounds, high in pressure bearing capacity and impact resistance, high in nail holding capacity, not prone to scratch, free of formaldehyde release, environmentally friendly, healthy, long in service life and the like and can be widely applied to various fields and occasions.
Owner:GUILIN TECH ENTERPRISE DEV CENT

Heat-preservation and thermal-insulating water-based paint for glass sliding door and preparation method of water-based paint

The invention discloses heat-preservation and thermal-insulating water-based paint for a glass sliding door. The water-based paint is prepared from the following raw materials in parts by weight: 48-53 parts of waterborne polyurethane resin, 16-19 parts of waterborne hydroxyl acrylic acid, 0.2-0.4 part of polypropylene oxide glyceryl ether, 1-3 parts of tripropylene glycol monobutyl ether, 0.3-0.6 part of alkylol amine titanate, 7-10 parts of modified pure acrylic emulsion, 0.2-0.5 part of polyether modified organo-polysiloxane, 0.2-0.4 part of dimethicone, 0.2-0.4 part of an accelerant TMTM, 0.3-0.6 part of butyl glycidyl ether, 0.3-0.6 part of guar gum, 0.3-0.5 part of diacetone-acryloamide, 0.4-0.9 part of zeolite powder, 1-2 parts of pigment, 1-3 parts of hollow glass microspheres, 2-3 parts of silica sol and 12-16 parts of deionized water. Due to adoption of the silica sol in the water-based glass paint disclosed by the invention, the hardness of a paint film is improved, and the paint film is not easy to peel off and is smooth and flat; due to adoption of the hollow glass microspheres, the heat preservation and thermal insulation effects are achieved, and the cost is lowered; due to adoption of the modified pure acrylic emulsion, properties such as the flouring resistance, the bactericidal activity, the scrubbing resistance and the weather resistance of the water-based paint are improved; the water-based paint is high in practicability and applicable to popularization.
Owner:凤阳徽亨商贸有限公司

Wearable hot roll

InactiveCN102847713AGood lubrication effectImprove mechanical and chemical propertiesRollsMetal rolling arrangementsNanometreCeramic coating
The invention discloses a wearable hot roll which comprises a hot roll body, wherein a water cooling layer is arranged on the internal wall of the body; and a tungsten carbide hard alloy layer coated with a nanometer ceramic coating outside is coated on the external wall of the body. According to the wearable hot roll, the tungsten carbide hard alloy layer is coated on the surface of the body, and the nanometer ceramic coating is coated outside the tungsten carbide hard alloy layer, so the wearable hot roll has the effect of heat insulating, has no falling and no burning, is waterproof and moisture-proof, and is good in effect of lubricating; the mechanical performance and the chemical performance of the hot roll are greatly improved; and meanwhile, good effect of cooling can be achieved via the water cooling layer, therefore, the longer service life can be ensured.
Owner:虞伯林

Spray polyurethane foam material for track board and construction method thereof

The invention relates to a spray polyurethane foam material for a track board and a construction method thereof, wherein a spray polyurethane component A consists of polyether polyol, polyester polyol, a foam stabilizer, a foaming agent, a catalyst, a flame retardant, an antioxidant and a modified titanium dioxide-glass fiber powder mixture; and a component B consists of an isocyanate mixture. The construction method comprises the following steps: pre-sealing a rail fastener (a); smearing a primer (c) on the track board (b); then spraying a 5-10mm polyurethane foam material (d); and finally smearing an aliphatic polyurethane coating (e) to accomplish construction. The spray polyurethane foam material provided by the invention is mainly applied to the track board of a high speed railway to fundamentally solve the temperature cracking problem of a concrete member. The material provided by the invention has a thermal insulation effect and excellent mechanical property, and the bonding strength with the track board can reach over 0.3MPa.
Owner:BEIJING ACAD OF BUILDING ENG

Energy-saving cavity component

The invention discloses an energy-saving cavity component, comprising a sealed cavity body, wherein an upper plate, a lower plate, and side plates all around are surrounded to form the sealed cavity body. The energy-saving cavity component is characterized in that at least one surface inside the cavity body is provided with a temperature-keeping layer or / and a heat-insulation layer. Without changing the mechanical property of the cavity component, the temperature-keeping, the energy-saving cavity component greatly enhances the heat-insulation and the sound-insulation properties of the cavity component; a temperature-keeping heat-insulation material is arranged in the sealed cavity, the weather resistance is good, and the excellent temperature-keeping and heat-insulation properties can be maintained for a long time; the temperature-keeping / heat-insulation layer can be arranged flexibly, and cavity bodies with different temperature-keeping heat-insulation coefficients can be designed aiming at different requirements; a turned edge with a temperature-keeping heat-insulation layer is arranged outside the cavity component, so that a spacing body between components as well as a jointing body between one component and one building still maintains excellent temperature-keeping and heat-insulation properties, and the temperature-keeping and heat-insulation properties of the whole body of the building are enhanced; and the comprehensive property of the cavity component is advanced, and the energy saving of the building is improved.
Owner:HUBEI SYNTHETIC SPACE TECH CO LTD

Anti-cracking cement mortar

Disclosed is an anti-cracking cement mortar characterized in that, the cement mortar is charged by polyurethane hard bubble particles, wherein the volume proportion of the charged polyurethane hard bubble particles being, 1-2 parts of polyurethane hard bubble particles in 1 part of cement mortar.
Owner:冀广宁

Heat insulation decoration plate and preparation method thereof

The invention belongs to the field of building material and specifically relates to a light heat insulation decoration plate with decoration function for building wall insulation and a preparation method thereof. The heat insulation decoration plate comprises a heat insulation blank body and a decoration coating sprayed to the outer layer of the heat insulation blank body; and the heat insulationblank body is prepared by closed cell perlite, fly ash floating bead, cement, bentonite, cellulose ether, short fiber, wood fiber and rubber powder in parts by weight. The heat insulation blank body of the heat insulation decoration plate is formed by processing inorganic material and is light in weight, insulated and longer in service life; the cosmetic layer with the preset pattern is sprayed to the outer surface of the heat insulation blank body, so that integration of the heat insulation plate and the decorativeness is realized; and the problem that the current inorganic heat insulation decoration plate is heavy and easy to drop is solved as well.
Owner:安徽瑞蒙科技有限公司

Energy-saving low-carbon soft porcelain decorative material and preparation method thereof

The invention discloses a preparation method of an energy-saving low-carbon soft porcelain decorative material. The preparation method comprises the following steps: S1, preparing materials; S2, reacting blast furnace slag, porcelain slag and waste sand with a silane coupling agent to obtain first inorganic powder; reacting stone powder with an aluminate coupling agent and stearic acid for crosslinking to obtain second inorganic powder; S3, mixing the first inorganic powder with the second inorganic powder, adding the mixture, stirring for 20 to 30min at the temperature of 50 to 65 DEG C, adding a pigment, diatomite, polypropylene fiber and basalt fiber, then adding silver-plated hollow glass beads, mixing, then adding water and silver-plated hollow glass beads, uniformly stirring to obtain slurry, pouring in a mold, carrying out compression molding at 120-150 DEG C, curing at 180-220 DEG C, and demolding to obtain the product. The energy-saving low-carbon soft porcelain decorative material provided by the invention is prepared by the method. The energy-saving low-carbon soft porcelain decorative material has the advantages of energy saving, low carbon, good thermal insulation performance and high hardness.
Owner:河北莱恩斯新材料科技有限公司

Earthenware tile assembly, preparing die thereof, earthenware tile stone wall and heat insulation unit of earthenware tile assembly

The invention relates to an earthenware tile assembly with a heat insulation effect for building exterior walls. The earthenware tile assembly comprises an earthenware tile block, heat insulation units and exterior decorative plates, wherein the earthenware tile block, the heat insulation units and the exterior decorative plates are quickly manufactured, assembled and directly prepared into the earthenware tile assembly by a special die or a preset assembly structure, and the earthenware tile assembly is provided with a main body, a heat insulation material and exterior decorative plates, such as ceramic tiles or stone materials. Various types of earthenware tile assemblies are stacked and firmly adhered according to a building design drawing, and are cast with concrete in the preset positions to form lintels, columns and closing openings. The earthenware tile assembly provided by the invention has the advantage that the building main body engineering and the decoration engineering can be fabricated in different areas and then directly stacked and built on site, and an earthenware tile stone wall which has a heat insulation function and higher structural strength and is provided with the exterior decoration plates is directly constructed, so the construction period is greatly shortened, the cost is reduced, the waste on materials is greatly reduced, and the state development goal of environment protection and energy saving is realized.
Owner:应家荣

Cigarette capable of preventing substances in fuming medium from leaking and diffusing and preparation method of cigarette

PendingCN110973694APermeablePlay a role in preventing proliferationCigar manufacturePolymer scienceEngineering
The invention belongs to the field of novel cigarettes, and particularly relates to a cigarette capable of preventing substances in a fuming medium from leaking and diffusing and a preparation methodof the cigarette. The cigarette comprises a fuming medium rod (1) and a composite cigarette paper (2), the composite cigarette paper (2) wraps the outer side of the fuming medium rod (1), the composite cigarette paper (2) is formed by overlapping a metal layer (a), an oil-proof hydrophobic layer (b) and two adhesive layers (c) between the metal layer (a) and the oil-proof hydrophobic layer (b), and the metal layer (a) is in contact with the fuming medium rod (1). The invention further discloses a preparation method of the cigarette. The composite cigarette paper formed by compounding the metallayer and the oil-proof hydrophobic layer is adopted, the metal layer plays a role in permeation prevention, the oil-proof hydrophobic layer arranged outside the metal layer plays a role in preventing substances permeating from the bonding position of the end face of the tobacco medium section and the lap joint of the composite cigarette paper from diffusing on the surface of the composite cigarette paper, and meanwhile the oil-proof hydrophobic layer plays roles in permeation prevention and diffusion prevention.
Owner:CHINA TOBACCO YUNNAN IND

Material of automobile thermal-insulating and sound-insulating plate and preparation method of material

The invention discloses a material of an automobile thermal-insulating and sound-insulating plate. The material is made of the following materials in parts by weight: 55-65 parts of ethylene-propylene-diene-terpolymer rubber, 70-75 parts of epoxy resin, 16-18 parts of azodicarbonamide, 4-7 parts of polystyrene, 8-15 parts of polyethylene foams, 12-14 parts of expanded vermiculite, 7-11 parts of glass fiber, 9-15 parts of nano carbon black, 20-22 parts of nano aluminum oxide, 10-14 parts of aerogel, 7-12 parts of barium sulfate, 8-14 parts of polyester, 6-10 parts of expanded perlite, 14-18 parts of ceramic cotton fiber, 8-10 parts of alumina silicate fiber, 2-6 parts of sodium silicate, 5-10 parts of N-phenyl-N'-cyclohexyl p-phenylenediamine, 11-14 parts of dichlorodifluoromethane and 16-18 parts of fatty alcohol-polyoxyethylene ether sodium sulfate. The material for the automobile thermal-insulating and sound-insulating plate, which is disclosed by the invention, has good thermal-insulating and sound-insulating effects, is good in aging resistance, and is long in service life.
Owner:芜湖天鸿汽车零部件有限公司

Roof heat-insulating and seepage-proofing system and heat-insulating and seepage-proofing roof structure containing same

The invention discloses a roof heat-insulating and seepage-proofing system and a heat-insulating and seepage-proofing roof structure containing the same. The heat-insulating and seepage-proofing roof structure comprises a roof layer and a roof heat-insulating and seepage-proofing system covered on the roof layer, wherein the roof layer is made of a precast reinforced concrete slab; the roof heat-insulating and seepage-proofing system comprises a seepage-proofing layer, a heat-insulating layer and protective layers; the heat-insulating layer is arranged above the seepage-proofing layer; the protective layers are adjacent to the seepage-proofing layer and are arranged at the upper and lower sides of the seepage-proofing layer; the seepage-proofing layer is a water-proofing ventilated sand layer; and the heat-insulating layer is a hollow insulated water storage brick layer. The sand-based roof heat-insulating and seepage-proofing system disclosed by the invention integrates the heat-insulating, seepage-proofing and beautifying functions, and has the advantages of simple structure and low construction and maintenance cost.
Owner:BEIJING RECHSAND SCI & TECH GRP

Foamed lightweight concrete backfilling bridge pier structure

The invention discloses a foamed lightweight concrete backfilling bridge pier structure, and relates to the field of bridge pier position backfilling. The foamed lightweight concrete backfilling bridge pier structure comprises an original bridge pier bearing platform arranged underground and a bridge pier assembly arranged on the top of the original bridge pier bearing platform; and the bridge pier assembly comprises an overground bridge pier and an underground bridge pier which are integrally formed; the bridge pier assembly is of a cylindrical hollow structure of which the bottom diameter islarger than the top diameter, the underground bridge pier is filled with a foamed lightweight concrete layer B, an auxiliary bearing mechanism is arranged on the exterior of the underground bridge pier and comprises an upper structure, a foamed lightweight concrete layer A and a rubble layer which are sequentially arranged from top to bottom, the rubble layer is laid on the top of the bearing platform, and the inner wall and the outer wall of the underground bridge pier are each coated with a waterproof layer. According to the foamed lightweight concrete backfilling bridge pier structure, influences such as vertical deformation, vertical differential settlement and lateral deformation on the bridge pier can be reduced, and the specification requirements of the bridge pier are met while the safety of the bridge pier is guaranteed.
Owner:GUYUAN CHENTONG TECH DEV CO LTD

Thermal-insulation colorful crystal glass, as well as preparation method and ice chest thereof

The invention provides thermal-insulation colorful crystal glass, as well as a preparation method and an ice chest thereof. The thermal-insulation colorful crystal glass comprises first glass and second glass, wherein the first glass is colorful crystal glass; the first glass and the second glass are arranged in a folded manner; a supporting article is arranged between the first glass and the second glass; the edge of the first glass is connected with the edge of the second glass in a sealing manner, so that a sealed space is formed between the first glass and the second glass; and a bleeder hole is formed on the second glass for pumping the sealed space between the first glass and the second glass to be vacuum. According to the thermal-insulation colorful crystal glass, as well as the preparation method and the ice chest thereof provided by the invention, the prepared thermal-insulation colorful crystal glass is provided with a thermal-insulation effect; high-temperature colorful crystal and low-temperature colorful crystal are printed on the two surfaces of the first glass, respectively, so that an ice chest door, which is manufactured by the thermal-insulation colorful crystal glass, not only has a good heat insulating effect for preventing condensed dews from generation, but also has a good appearance effect.
Owner:李梦琪

Building decorative material and preparation method thereof

The invention provides a building decorative material and a preparation method thereof and relates to the field of building materials. The building decorative material comprises the following raw materials in parts by weight: 25-40 parts of waste plastics, 30-45 parts of coal ash, 15-25 parts of stone material powder, 5-15 parts of polyvinyl chloride resin, 2-8 parts of bamboo fibers, 11-15 parts of polypropylene fibers, 2-4 parts of water glass, 11-21 parts of diatomite, 9-13 parts of attapulgite and 0.5-1.1 parts of a flame retardant. The preparation method comprises the following steps of: (1) weighing the raw materials; (2) preparing plastic granules; (3) stirring; and (4) heating and extrusion forming. The building decorative material provided by the invention solves the problem that an existing building decorative material which is applied to buildings which are high in demand on cost, strength, insulation and heat isolation and environmental protection still has defects.
Owner:温州月煌科技有限公司

Hollow heating seedling cultivating box and application thereof

The invention relates to a hollow heating seedling cultivating box and application thereof, and belongs to a method for cultivating seedlings of trees. A box of which the bottom internal diameter is 200cm*100cm and the height is 30cm is made of color-steel complex sheets, geothermal lines of which resistances are 33ohm / m are laid on the bottom of the box, and then the seedling cultivating box which is used for heating and controlling temperature is made. Inside the seedling cultivating box, three expanded polystyrene foam sheets of which the length, width and height are 199cm*3cm*10cm are erected on the two longitudinal sides and the middle part, cover plates of the seedling cultivating box in sizes of 99cm*3cm*10cm are paved on the three expanded polystyrene foam sheets in sequence, cutting slips are inserted in small semicircular grooves while the cover plates are paved, the roots of the cutting slips appropriately contact with a black mulching film, and the small grooves of the two adjacent foam sheets are butted with each other to hold the cutting slips until that the cutting slips are fully inserted in the whole seedling cultivating box. According to the method provided by the invention, the rooting rate of the seedling is more than 95%, the root quantity is large, the roots are uniformly distributed, second-grade lateral roots are easy to cultivate, and the roots are mature. Compared with conventional seedbeds, the rooting rate and the number of the plant roots are greatly improved; more importantly, 80% of matrix is saved, so that the seedling cost is greatly reduced.
Owner:JIANGSU UNIV OF SCI & TECH

Pressure cooker one-way valve

The invention discloses a pressure cooker one-way valve, which is installed at the top part of the inner of a jacket of a jacket-mounted pressure cooker and welded to the inner wall of the jacket; the one-way valve is composed of a valve body bolt 11, a valve body 12, a spring 13 and a steel ball 14, wherein the bolt is in threaded connection with the valve body, an exhaust hole is arranged above the center of the bolt and is communicated with a small round hole at the position corresponding to the jacket, an intake port is arranged below the valve body, is covered by the steel ball and jacks the spring above. When the air pressure at the intake port reaches a rated value, the steel ball is jacked and the gas inside the jacket is exhausted out of the cooker through the exhaust hole. The one-way valve according to the invention can ensure the safety of the jacket and no excessive pressure, has heat insulating and preserving efficiency, simple structure and convenient use, and is suitable for the jacket-mounted pressure cooker.
Owner:XINXING XIANFENG STAINLESS STEEL PROD MFGR CO LTD

Plant fiber thermal tile with functions of fireproofing and heat insulation

The invention discloses a plant fiber thermal tile with functions of fireproofing and heat insulation. The process of the plant fiber thermal tile includes: A, using a paving machine to fabricate a slab in a density of 0.13-0.14g / cm<3> through paving process using plant fiber as raw material; B, immerging the slab into inorganic cementitious slurry in mass percentage concentration of 50-70% made of magnesium chloride, magnesia and water for soaking for 5-10 minutes; C, rolling the soaked slab in a rolling machine to obtain the slab in a density of 0.65-0.75g / cm<3>; D, fabricating the ripple-surfaced plant fiber thermal tile with the functions of fireproofing and heat insulation using the rolled slab through maintaining, drying, solidifying, cutting and facing. By the process, the thermal tile is light, erosion-resistant, easy to process, low in cost, fire-proof, heat-insulating and high in strength.
Owner:GUANGDONG YIXIN HOUSEHOLD MATERIALS GROUP CO LTD

Hot bar roadbed and construction method for controlling seasonal frost damage

The invention discloses a hot bar roadbed for controlling seasonal frost damage, which comprises a water permeable layer, an impermeable layer, a roadbed and a hot bar; The roadbed, the impermeable layer and the permeable layer are laid from bottom to top in turn; The roadbed is provided with a hot bar mounting hole; The hot bar is arranged in the hot bar mounting hole; The hot rod is an airtighthollow structure, and the airtight hollow structure is provided with liquid ammonia. The invention provides a hot bar roadbed and a construction method for controlling seasonal frost damage, which isused for controlling and eliminating the generation and development of seasonal frost damage of roadbed, and ensuring the stability of roadbed and the safety of operation in low temperature season.
Owner:JIANGXI THE SECOND CONSTR

A method of heat dissipation and cooling for high heat density cabinets in data centers

The present invention discloses a heat dissipation and cooling method for high-heat density cabinets in a data center. According to the method, a large-temperature difference air conditioner end device used for cabinet cooling and cooled cabinets are encapsulated in a constructed object isolated from a machine room environment, so that heat transfer between the inner space of the building and the external machine room environment can be prevented; the large-temperature difference air conditioner end device used for cabinet cooling is arranged at one side of the cooled cabinets, or the large-temperature difference air conditioner end device is arranged between the two cooled cabinets; the large-temperature difference air conditioner end device for cabinet cooling and the cooled cabinets are connected with a control system; and the large-temperature difference air conditioner end device for cabinet cooling can realize automatic adjustment according to the control system. According to the heat dissipation and cooling method for the high-heat density cabinets in the data center of the invention, the inner surface area of a circulating liquid flowing pipeline is increased, so that the heat exchange area of single heat exchangers can be increased; and the heat exchangers are connected in series with one another, so that the length of the flowing path of a circulating liquid can be obviously increased, and a small-flow rate and inlet / outlet large-temperature difference operation mode of the circulating liquid can be realized.
Owner:GUANGZHOU INST OF ENERGY CONVERSION - CHINESE ACAD OF SCI

Composite heat insulation suspended ceiling

The invention discloses a composite heat insulation suspended ceiling, which comprises suspended ceiling folding edges, suspended ceiling side edges, spring fixing devices and suspended ceiling folding sheets, wherein a suspended ceiling bottom plate is in horizontal placement; the suspended ceiling folding edges and the suspended ceiling side edges are formed by upwards bending four edges of the suspended ceiling bottom plate; four corners of a heat insulation sheet are provided with spring clamp grooves; a decoration frame is arranged at the outer bottom of the suspended ceiling bottom plate; one end of each fixing spring is arranged in the corresponding spring clamp groove; the other end of each fixing spring is provided with a spring top plate; and the inner side of each suspended ceiling side edge is provided with two bulges. The composite heat insulation suspended ceiling has the advantages that the heat insulation sheet is combined with a suspended ceiling plate, so that the suspended ceiling plate achieves thermal isolation and heat insulation effects; the decoration frame is arranged under the suspended ceiling bottom plate; screws are screwed into screw fixing holes, so that the stable connection of the heat insulation sheet and the suspended ceiling plate is ensured, and meanwhile, the effects of attractive appearance and decoration are achieved; each suspended ceiling folding edge is provided with one suspended ceiling notch folding sheet; and spring fixing devices are arranged between the heat insulation sheet and the suspended ceiling side edges, so that fixed connection of the heat insulation sheet and the suspended ceiling bottom plate is ensured.
Owner:JIAXING PINDING ELECTRICAL APPLIANCE
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