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64results about How to "Guaranteed thermal insulation performance" patented technology

Nano foamed concrete, reinforced insulation wallboard and preparation method of reinforced insulation wallboard

The invention belongs to the field of building materials and construction technologies and relates to nano foamed concrete, a reinforced insulation wallboard and a preparation method of the reinforced insulation wallboard. The nano foamed concrete disclosed by the invention is prepared from the following ingredients in parts by weight: 100 parts of cement, 0.1-5 parts of desulfurized oil coke ash residue, 0.012 part of waterproofing agent, 10-30 parts of fly ash, 0.1-6 parts of superplasticizer, 50-200 parts of water, 1-20 parts of foamer and 0.01-5 parts of nano wave absorbing agent. Thus, when a wallboard product, prepared by embedding steel wire meshes in the nano foamed concrete disclosed by the invention, is applied nearby airports, docks, navigation marks, television stations and receiving stations or applied to concrete-based retaining walls of electromagnetic wave interference preventing scientific research departments, precise instrument plants and information leakage prevention high-grade buildings of national confidential units and the like, the most basic physical, mechanical, heat preservation and heat insulation properties are guaranteed on one hand, and the wallboard product has the capabilities of lowering noise and insulating sound on the other hand.
Owner:QINGDAO TECHNOLOGICAL UNIVERSITY

Halogen-free flame-retardant rigid polyurethane foamed plastic and preparation method for same

The invention discloses halogen-free flame-retardant rigid polyurethane foamed plastic and a preparation method for the same. The polyurethane foamed plastic consists of the following raw materials in parts by weight: 100 parts of polyalcohol mixture, 105 to 180 parts of polyisocyanate, 20 to 80 parts of compound halogen-free flame retardant, 1 to 50 parts of foaming agent, 1 to 3 parts of composite catalyst, 2 to 4 parts of foam stabilizer and 1 to 2 parts of cross-linking agent. An obtained product is high in flame retardance and environment-friendly, the raw materials are free of halogen, and the production of toxic gas such as hydrogen halide during combustion is avoided; the raw materials are readily available and low in cost, so that the preparation cost of the polyurethane foamed plastic is greatly lowered; the polyurethane foamed plastic also has the characteristic of wide application range, and is applied to cold storage and heat-preservation industries of external wall heat-preservation of buildings, heat-preservation of pipelines, refrigerators, freezers and the like.
Owner:SOUTH CHINA UNIV OF TECH +1

Asphalt cement mortar cart

The invention provides an asphalt cement mortar vehicle, which comprises a chassis and an upper assembly arranged on the chassis, wherein the upper assembly comprises a dry powder weighing-charging assembly, an asphalt metering-charging assembly, a water metering-charging assembly, an admixture metering-charging assembly, a stirring host assembly, a mortar pouring plate assembly, a power system and a control system; two or more than two sets of leveling oil cylinders, two sets of guiding forks, an angle sensor used for detecting the levelness of the upper assembly in real time, as well as a leveling control unit are arranged between the chassis and the upper assembly; the two or more than two sets of leveling oil cylinders are symmetrically and respectively arranged on the left and right sides of the mortar vehicle chassis; the angle sensor is connected with the input end of the leveling control unit; and the output end of the leveling control unit is connected with the leveling oil cylinders. The asphalt cement mortar vehicle has the advantages of high automation degree, great stirring capacity, high construction efficiency, convenient comfortable operation, safety and environment protection.
Owner:SANY HEAVY IND CO LTD (CN)

Nano foamed concrete, reinforced insulation wallboard and preparation method of reinforced insulation wallboard

The invention belongs to the field of building materials and construction technologies and relates to nano foamed concrete, a reinforced insulation wallboard and a preparation method of the reinforced insulation wallboard. The nano foamed concrete disclosed by the invention is prepared from the following ingredients in parts by weight: 100 parts of cement, 0.1-5 parts of desulfurized oil coke ash residue, 0.012 part of waterproofing agent, 10-30 parts of fly ash, 0.1-6 parts of superplasticizer, 50-200 parts of water, 1-20 parts of foamer and 0.01-5 parts of nano wave absorbing agent. Thus, when a wallboard product, prepared by embedding steel wire meshes in the nano foamed concrete disclosed by the invention, is applied nearby airports, docks, navigation marks, television stations and receiving stations or applied to concrete-based retaining walls of electromagnetic wave interference preventing scientific research departments, precise instrument plants and information leakage prevention high-grade buildings of national confidential units and the like, the most basic physical, mechanical, heat preservation and heat insulation properties are guaranteed on one hand, and the wallboard product has the capabilities of lowering noise and insulating sound on the other hand.
Owner:QINGDAO TECHNOLOGICAL UNIVERSITY

Prefabricated wall module unit, fabricated composite wall and construction method

The invention discloses a prefabricated wall module unit, a fabricated composite wall and a construction method. The prefabricated wall module unit is connected with a lower floor slab or a foundation, an upper floor slab or a beam and prefabricated wall module units. The fabricated composite wall is an integrated composite wall formed by connecting the factory prefabricated wall module units through connecting pieces between walls. The prefabricated wall module units can be machined and manufactured in a factory in a standardized mode, the size can be customized according to site and transportation conditions, full-fabricated construction is conducted on site, pouring is not needed, the installation quality and the installation efficiency are improved, full-dry-method installation construction between the prefabricated wall module units is achieved through the fabricated composite wall by means of the different connecting pieces, and the structural safety performance and the heat preservation and insulation performance of the wall are guaranteed through the prefabricated wall module units.
Owner:CENT SOUTH UNIV

Lightweight steel construction roof

The invention discloses a lightweight steel construction roof. The lightweight steel construction roof comprises a plurality of vertical trusses which are parallel to each other, arched plates and covering layers, wherein one arched plate is supported and connected between the lower ends of every two adjacent trusses; and each covering layer covers every two adjacent trusses and the arched plate between the two adjacent trusses. Each covering layer is a cement plaster layer which comprises an upper layer and a lower layer, wherein the lower layer is a foam concrete layer or a polyphenyl particle thermal insulation mortar layer, and the upper layer is a concrete layer. Due to the adoption of the structure, each arched plate forms a whole independent plate and is fixed by a supporting and connection structure, so water leakage is avoided on the roof; and each covering layer covers the every two adjacent trusses and the arched plate between the two adjacent trusses, so the roof is good in the thermal insulation effect.
Owner:ANHUI WATER RESOURCES DEV

Eco-friendly construction decoration coating and preparation method thereof

The invention discloses an eco-friendly construction decoration coating, and belongs to the technical field of a coating. The coating comprises the following raw materials, by weight part, 30-40 parts of a silicone-acrylic emulsion, 10-14 parts of sodium silicate, 5-8 parts of coconut oil, 10-12 parts of palm oil, 15-17 parts of fumed silica, 4-6 parts of vermiculite powder, 5-7 parts of titanium dioxide, 4-6 parts of calcium carbonate, 13-15 parts of a brominated epoxy resin, 3-5 parts of resorcinol di(dibenzyl phosphate), 1-3 parts of carboxymethyl cellulose, 9-13 parts of glycol, 2-4 parts of a water reducer, 1-2 parts of an antifoaming agent, 0.5-1 part of a light stabilizer, 1-2 parts of a film forming auxiliary agent and 26-30 parts of water. The invention further discloses a preparation method of the eco-friendly construction decoration coating. The coating is eco-friendly, is small in pollution and good in adhesion performance, and has excellent flame retardance.
Owner:HEFEI FANTENG ENVIRONMENTAL PROTECTION TECH CO LTD

External wall insulation and decoration system

The invention discloses an exterior wall heat preservation and decoration system, which comprises a heat preservation board body and fasteners. The end face of the heat preservation board body is stepped. Between the liner layer and the thermal insulation layer, between the thermal insulation layer and the substrate layer are connected by an adhesive to form a first bonding layer and a second bonding layer respectively, and the substrate layer and the decorative layer are connected by a primer layer, so The backing board layer is a calcium silicate board, the calcium silicate board is provided with ventilation holes, the base board layer is a cement fiber pressure board, the heat insulation layer is a rock wool board, and the fasteners include T-shaped pieces and L The T-shaped piece, the T-shaped piece and the L-shaped piece are connected by screws. The invention improves the fireproof performance, air permeability and physical and mechanical properties of the insulation board, eliminates the cold and heat bridge phenomenon of the insulation board body, improves the installation stability of the insulation board, and ensures the overall flatness of the wall after installation.
Owner:JIANGSU KANGMEI NEW MATERIAL TECH

Novel building mortar taking iron tailing powder as raw material and preparation method of novel building mortar

The invention discloses novel building mortar taking iron tailing powder as a raw material and a preparation method thereof, and belongs to the technical field of building materials. The novel building mortar taking the iron tailing powder as the raw material is composed of a thermal insulation aggregate, a cementing material, an additive and water, the addition amount of the thermal insulation aggregate, the addition amount of the cementing material and the addition amount of the additive respectively account for 8.5%-29.0%, 37%-46% and 3.0%-3.9% of the total amount of the mortar, the thermal insulation aggregate is composed of polystyrene particles and pottery sand particles, and the cementing material is composed of activated iron tailing powder and cement. According to the technical scheme, the waste iron tailings can be fully developed and utilized to prepare the cementing material, and the prepared thermal insulation mortar is high in strength and good in fire resistance, durability and waterproof thermal insulation performance, can be effectively suitable for places with strict external wall thermal insulation and fireproof requirements, and is extremely low in cost.
Owner:ANHUI UNIVERSITY OF TECHNOLOGY

Exhaust pipe heat insulation shield and installation method

The invention discloses an exhaust pipe heat insulation shield. The exhaust pipe heat insulation shield comprises a first insulation shield, a second insulation shield and a third insulation shield, wherein the first insulation shield, the second insulation shield and the third insulation shield are formed by metal shells and insulation layers. The metal shells are single layers of stainless steeland the surfaces of the metal shells are stamped to be in a concave and convex shape, during use, the existing air in the metal shells enables internal heat to be separated from the outside world. After being wrapped on an exhaust pipe, the first insulation shield and the third insulation shield are in a cylindrical shape, the second insulation shield is in a platform shape, and the overlapping areas are connected in a welded mode. The lap joint positions of the first insulation shield, the second insulation shield and the third insulation shield are connected by welding, and the bottom surfaces, in lap joint with the surface of the exhaust pipe, of the first and third insulation shields are fixed by welding. An installation method of the exhaust pipe heat insulation shield comprises thefollowing steps that step 1, concave-and-convex shaped lines are punched on the surfaces of the metal shells; step 2, the insulation layers are glued on the surfaces of the metal shells; step 3, the first, second and third insulation shields are wrapped around the outer side of the exhaust pipe; step 4, the metal shells and the insulation shields are welded; and step 5, the metal shells are weldedon the surface of the exhaust pipe.
Owner:苏州普科环境技术有限公司

Aerogel composite membrane and preparation method and application thereof

ActiveCN111773928AGuaranteed mechanical strengthThe preparation process is green and simpleMembranesAerogel preparationSolventWoven fabric
The invention relates to an aerogel composite membrane and a preparation method and application thereof. The aerogel composite membrane comprises a non-woven fabric supporting layer and an aerogel filling layer, the aerogel composite membrane has a multi-stage hole structure, the porous carbon material comprises submicron / micron-sized pores with the pore diameter of 0.5-20 microns and nano-sized pores with the pore diameter of 2-100 nm, the thickness of the aerogel composite membrane is 0.1-1 mm, the aerogel composite membrane obtained after normal-pressure drying has excellent mechanical performance, good hydrophobicity and good heat insulation performance, the aerogel composite membrane can be applied to the membrane distillation technology for treating seawater, high-salinity wastewaterand the like, the water flux can reach 12.2 LMH, and the salt rejection rate reaches up to 99.9%. Meanwhile, the solvents used in the preparation method are only water and alcohol, the steps of agingand drying are carried out in a drying oven, and solvent replacement is not used in the subsequent treatment steps, so that the use of a large amount of organic solvents is avoided, the difficulty ofwaste liquid treatment is reduced, and the preparation method is greener and more environment-friendly.
Owner:INST OF URBAN ENVIRONMENT CHINESE ACAD OF SCI

Interior wall thermal insulation coating material and preparation method thereof

The invention relates to the technical field of thermal insulation coating materials, and provides an interior wall thermal insulation coating material and a preparation method thereof. The interior wall thermal insulation coating material comprises the following raw materials in parts by weight: 30 to 40 parts of modified styrene-acrylic emulsion, 15 to 30 parts of silicone acrylic emulsion, 5 to10 parts of aluminum dihydrogen phosphate, 10 to 18 parts of hollow ceramic micro-beads, 5 to 9 parts of aluminum silicate fiber, 3 to 6 parts of graphene, 4 to 8 parts of diatomite, 3 to 6 parts ofzirconium silicate, 2 to 5 parts of tourmaline powder, 1 to 4 parts of medical stone, 0.8 to 2 parts of a silane coupling agent, 1 to 3 parts of a dispersing agent, 0.5 to 1.2 parts of a thickener, 0.5 to 1 part of an antifoaming agent, 0.4 to 0.8 part of a preservative and 18 to 32 parts of water. According to the invention, the problems of single function, only heat insulation effect, insufficient adhesive force and the like of the interior wall heat insulation coating material in the prior art are solved, and the coating is endowed with health-care effect.
Owner:泉州弘泰智能科技有限公司

Preparation method for 3D printing novel heat preservation frame integrated wall based on numerical simulation

The invention relates to a numerical simulation-based preparation method of a 3D printing novel thermal insulation frame integrated wall. A special-shaped frame part and an internal filling part filled in the special-shaped frame part are included; wherein the special-shaped frame part is divided into an external enclosure structure and an internal supporting structure, and the special-shaped frame part and the internal filling part are printed through the 3D printing technology at the same time; the special-shaped frame part determines the frame shape meeting the requirement through numerical simulation software before printing. The novel heat preservation frame integrated wall solves the problem that the heat preservation performance and the mechanical performance of a cement-based material cannot be considered at the same time, the mechanical performance and the heat preservation performance can be improved at the same time, and the problem that the heat preservation performance of a wall cannot meet the requirement in construction is solved. In engineering practice, an insulating layer does not need to be externally pasted again, and the problems that a common wall body is composed of building blocks in construction, the integrity is not high enough, and meanwhile stress defects exist are solved. Solid waste is used as a substrate, and low carbon and waste utilization are achieved.
Owner:HEBEI UNIV OF TECH

Heat insulation and cold preservation method for liquefied gas cryogenic storage tank

The invention discloses a heat insulation and cold insulation method of a liquefied gas low-temperature tank. Insulation plates with joggling structures are connected with each other in a joggled manner; a whole insulation structure is formed on the surfaces of tanks; all the insulation plates are fixedly connected with the tanks through fixed brackets; and the tanks are correspondingly provided with bolts in threaded connection with the fixed brackets. The joggled surfaces of the insulation plates are sealed by using hard polyurethane foam plastics in an injection foaming manner; and the outer surfaces of the joints are sealed by silica gel. The insulation plates include a first insulation layer, a second insulation layer and a third insulation layer arranged in sequence; the three insulation layers are arranged in a staggered manner; the joggling structures are formed on all four side surfaces; the adjacent insulation layers are connected in a bonding manner through low-temperature glue; and an outer protection layer is arranged on the upper surface of the first insulation layer. The method has the advantages of wide application range, safety, reliability, excellent closing performance and convenience for safety maintenance.
Owner:TI THERMAL INSULATION PROD SHANGHAI CO LTD

Aerogel heat preservation and insulation system and construction process thereof

InactiveCN111961385ARealize thermal insulation functionFit tightlyCovering/liningsHeat proofingProcess engineeringInsulation system
The invention relates to the technical field of building structure heat preservation, in particular to an aerogel heat preservation and insulation system and a construction process thereof, and aims to solve the technical problems that an existing building structure heat preservation and insulation system is thick and heavy in structure, a plastering layer is prone to hollowing, falling and cracking, the construction process is complex, and the labor intensity of operators is high. According to the technical scheme, the aerogel heat preservation and insulation system is formed by sequentiallycoating a water-based multifunctional bottom coating, an aerogel heat preservation and insulation middle coating and an aerogel reflection and insulation surface coating which are specific in component. The construction process of the aerogel heat preservation and insulation system is divided into three major steps of water-based multifunctional bottom coating construction, aerogel heat preservation and insulation middle coating construction and aerogel reflection and heat insulation surface coating construction, each step comprises several substeps, the whole construction process is simple and easy to operate, and the labor intensity of operators can be greatly reduced.
Owner:山西宏厦建筑工程第三有限公司

Improved anchoring part device

The invention discloses an improved anchoring part device. The improved anchoring part device comprises a fixing supporting part, a heat insulating piece is arranged on the top face of the fixing supporting part, and a lower fixing piece is fixedly connected to the fixing supporting part through bolts. The heat insulating piece is clamped between the lower fixing piece and the fixing supporting part. The fixing supporting part is fixedly connected to a wall through bolts. The front end of the lower fixing piece extends out of the fixing supporting piece and is bent downwards to form a lower inserting and connecting part, and the middle of the lower fixing piece is provided with a limiting hole and a gap controlling piece bent upwards. The middle of an upper fixing piece is provided with a fixing inserting and connecting piece bent downwards. The fixing inserting and connecting piece is inserted and clamped in a corresponding limiting hole of the lower fixing piece in a sleeving mode. The gap controlling piece is pressed on the bottom face of the upper fixing piece, and the front end of the upper fixing piece is provided with an upper inserting and connecting part bent upwards. The improved anchoring part device is simple in structure and convenient to install, the distance between an upper heat preservation plate and a lower heat preservation plate can be guaranteed, installing requirements for different gap widths are met, and the anchoring strength is guaranteed.
Owner:ZHEJIANG XINRUIMING DECORATIVE MATERIAL

Fish roasting stove

The invention relates to a fish roasting stove and belongs to the technical field of roasting. The fish roasting stove comprises a shell with a door, wherein the shell is internally provided with a bracket; the bracket is provided with a combustor set; a fireproof brick liner is arranged above the combustor set; the fireproof brick liner comprises a top plate and an oil guide groove is formed above the combustor set; a circulating heating space is composed of the top plate and the oil guide groove; glass fibers and a first ceramic fiber plate are arranged between the shell and the fireproof brick liner; a second ceramic fiber plate is arranged under the fireproof brick liner; a smoke exhausting opening is formed in the top plate. The fish roasting stove has a reasonable design and is environmentally friendly and safe; the roasted fish has a delicious taste and good mouth feel; the heat efficiency is high, sanitation and environmental friendliness are realized, and the maintenance is convenient and rapid; the labor intensity of workers is greatly alleviated, the heat insulation performance is good and the heat stability is high; the fish roasting stove is convenient to splice and the transportation cost is reduced; the temperature distribution is uniform and the safety and sanitation of foods are guaranteed.
Owner:安派智厨(浙江)有限公司

Blind nail transverse planking structure and construction method thereof

The invention discloses a blind nail transverse planking structure and a construction method thereof. The transverse planking structure comprises a structural column on a to-be-installed wall plate structure, two corner parts, an adapter part, purlines, n-shaped parts and wall plates, wherein the two corner parts are installed on the structural column and two external corners of the corner parts are opposite to form rectangular grooves, the adapter part is connected between the rectangular grooves of the two corner parts, the purlines are connected to the outer surface of the adapter part, then-shaped parts are connected to the outer surfaces of the purlines, and the wall plates are connected to the two sides of the purlines and located between the n-shaped parts and the adapter part. According to the blind nail transverse planking structure and the construction method thereof, through vertical arrangement of the purlines, the wall plates can be transversely laid, the number of the purlines is greatly reduced, and the construction speed is increased; through the arrangement of purlin upper grooves, purlin lower convex blocks, purlin side convex strips and an adapter positioning groove corresponding to the adapter part, the convenience and accuracy during mounting are guaranteed, and the flatness of wall plate mounting is further guaranteed; through the blind nail type structure, the problem of rusting of blind nails is solved; and gaps are reserved between socket rabbets, direct contact of metal is avoided, and the problem of cold bridge of the wall is solved.
Owner:CHINA CONSTR SECOND ENG BUREAU LTD

Water drainage pipeline mounting process

The invention relates to the field of pipeline mounting, in particular to a water drainage pipeline mounting process. The water drainage pipeline mounting process comprises the following steps: step 1) of excavating a pipeline mounting groove; step 2) of mounting a tube seat in the groove; step 3) of sequentially hoisting a plurality of pipeline units; step 4) of connecting adjacent pipeline unitsto form a water drainage pipeline; step 5) of coating thermal-insulation paint on the surface of the water drainage pipeline to form a thermal insulation layer; step 6) of backfilling soil and compacting the soil to form a pipeline soil layer, and controlling vertical height difference between the top of the pipeline soil layer and the top of the water drainage part to be 2cm-5cm; step 7) of spreading porous stones on the pipeline soil layer to form a stone heat insulation layer; and step 8) of backfilling soil into the stone heat insulation layer, and compacting the stone heat insulation layer to repair ground. The water drainage pipeline mounting process has the effects of enabling a water body in a water drainage tube to be not liable to ice and expand, and enabling the water drainagepipeline to be not liable to damage.
Owner:广东荣潮拓展建设有限公司

Homogenizing plate with good heat preservation and heat insulation effects and preparation method thereof

The invention discloses a homogeneous plate with good heat preservation and heat insulation effects and a preparation method thereof. The homogeneous plate is prepared from the following raw materialsin parts by weight: 25-30 parts of lime powder, 22-25 parts of quartz sand, 18-22 parts of aluminum silicate fiber, 14-18 parts of borax, 10-12 parts of polyether polyol, 7-9 parts of polyester polyol, 6-8 parts of triethylenediamine, 2-3 parts of potassium isooctoate-dipropylene glycol, 5-7 parts of pentane, 4-8 parts of pentafluoropropane, 3-7 parts of water, 4-9 parts of tris(2-chloropropyl) phosphate, 4-8 parts of a foam stabilizer B8460, and 24-45 parts of polyphenylpolymethylene polyisocynate; according to the formula, the homogenizing plate has the advantages of low thermal conductivity, low density, high strength, light overall mass and good heat preservation and insulation, the step of cutting is omitted by injecting the castable into the storage box, a plurality of homogenizingplates can be continuously produced, the operation is automatic, the labor intensity is low, and the production efficiency is high.
Owner:阜阳市三郁包装材料有限公司

Preparation method of foamed ceramic material with density gradient

The invention discloses a preparation method of a foamed ceramic material with density gradient, which comprises the following steps: preparing potassium feldspar and clay as main raw materials, adding the raw materials into a ball mill, proportionally adding a high-temperature foaming agent, and uniformly mixing the foaming agent with the main raw materials to form a mixture; then adding the mixture into a disc pelletizer to be subjected to water spraying pelletizing to form pelletized balls; putting the pelletized balls into a drying oven for drying; screening the dried granulation balls toobtain uniform granulation balls; distributing and firing the screened granulated balls in kiln furniture; and cutting the fired material according to the thickness to obtain the foamed glass ceramicwith the density gradient. The foamed ceramic with density gradient is prepared through material composition design and sintering process temperature field design; on one hand, preparation of a thickplate can be achieved, and on the other hand, by controlling ingredient composition and temperature distribution in the thickness direction, the strength is improved, and plate breaking in the construction process is reduced under the condition that the heat preservation requirement is met.
Owner:洛南县恒丰非金属矿业有限公司

A novel low-voltage substation cabinet

The invention relates to a novel low-voltage substation cabinet, comprising a cabinet body, wherein a plurality of independent sub-cabinets are arranged in the cabinet body; each sub-cabinet is provided with an environment automatic regulation system, a condenser and a smoke alarm; the external wall of the cabinet is of double-layer sealing type, and the hollow part is heat preservation cotton; the cabinet body is also provided with a temperature and humidity automatic control system and a smoke alarm; the cabinet body is also provided with a remote control device. Through the design of temperature and humidity automatic control systems inside the cabinet and the sub-cabinet, the temperature and humidity inside the cabinet can be kept in an ideal state, and can be adjusted automatically when the internal environment is changed. The design of condenser and smoke alarm ensures that no excess moisture will be generated in the cabinet, and also ensures timely alarm in case of fire. Cabinetexternal wall of the double-sealed insulation design, can ensure the cabinet insulation performance.
Owner:河南大瑞物联网科技有限公司

Drying and curing technology for coil and body of transformer

The invention discloses a drying and curing technology for a coil and a body of a transformer. The technology comprises the following steps of: drying and curing the coil and the body of the transformer respectively by virtue of an electric drying room, wherein the drying and curing temperature of the coil of the transformer is 140 DEG C, the drying and curing time of the coil of the transformer is 3-3.5 hours, the drying and curing temperature of the body is 130 DEG C, and the drying and curing time of the body is generally 12-15 hours; and cooling the coil of the transformer intensively after drying and curing. Compared with an oil-immersed drying and curing technology for the coil and the body of an power distribution transformer, the drying and curing technology disclosed by the invention has the following advantages: 1) the drying time is shortened, and the production efficiency is improved greatly; 2) since the drying time is relatively short, the production cost and the resource energy consumption of the transformer are reduced; and 3) the drying and curing temperature is shortened, thus the heat insulation performance of the insulator is ensured effectively.
Owner:JIANGSU HONGYUAN ELECTRIC

Pipe bundle leakage alarm directly buried prefabricated insulation layer independently sealed steam pipe and manufacturing method

The invention relates to a directly-buried prefabricated independently-sealed steam tube with a tube bundle leakage warning function and a heat-insulation layer, and a method for manufacturing the directly-buried prefabricated independently-sealed steam tube. The directly-buried prefabricated independently-sealed steam tube comprises a sealed corrugated tube assembly, a steel guide tube, the heat-insulation layer, a plurality of leakage warning indicator tubes, an outer protective steel tube assembly, a corrugated tube assembly for a steel guide tube port and a working steel tube. The sealed corrugated tube assembly is hermetically welded with one end of the steel guide tube, the heat-insulation layer is arranged on the outside of the steel guide tube, the leakage warning indicator tubes transversely penetrate a space between the steel guide tube and the outer protective steel tube assembly, the corrugated tube assembly for the steel guide tube port is nested in a gap between the steel guide tube and the sealed corrugated tube assembly, and the working steel tube is nested in the steel guide tube. Compared with the prior art, the directly-buried prefabricated independently-sealed steam tube and the method have the advantages that the directly-buried prefabricated independently-sealed steam tube is provided with the permanent heat-insulation layer and is independently sealed, so that the heat-insulation performance of the heat-insulation tube can be guaranteed for a long time; overtemperature-preventive measures are adopted for the outer surface of the directly-buried prefabricated independently-sealed steam tube, and accordingly the directly-buried prefabricated independently-sealed steam tube is long in service life; the directly-buried prefabricated independently-sealed steam tube has port leakage warning and tube bundle positioning functions, so that a leakage state can be monitored in real time; the directly-buried prefabricated independently-sealed steam tube is provided with the corrugated tube assembly for the steel guide tube port and is convenient to mount.
Owner:廊坊华宇天创能源设备有限公司

Light-weight non-combustible and heat-preservation decorative plate

The invention relates to a light-weight non-combustible and heat-preservation decorative plate and belongs to the technical field of building materials. The light-weight non-combustible and heat-preservation decorative plate comprises a decorative plate layer and a heat preservation plate layer. An alkali-resisting mesh cloth layer is fixed between the decorative plate layer and the heat preservation plate layer. The heat preservation plate layer is formed by hardening magnesian cement paste, and glazed hollow beads which are mutually independently distributed are uniformly arranged in the heat preservation plate layer. The glazed hollow beads are covered with acrylic acid gel film layers, and the acrylic acid gel film layers are covered with magnesian cement paste hardened layers. The acrylic acid gel film layers are used for mutually adhesive bonding of the glazed hollow beads and the magnesian cement paste hardened layers. The heat preservation plate layer is further provided with bubbles and short fibers which are covered by the magnesian cement paste hardened layers and located between gaps among the glazed hollow beads. The bubbles are uniformly and mutually independently distributed in the gaps among the glazed hollow beads of the heat preservation plate layer. The short fibers are uniformly distributed in the gaps among the glazed hollow beads of the heat preservation plate layer. The light-weight non-combustible and heat-preservation decorative plate is light in weight, and good in mechanical property, heat preservation property and flame resistance.
Owner:SUZHOU SHIHAO BUILDING MATERIAL NEW TECH ENG

Heat preservation and insulation wallboard

The invention discloses a heat preservation and insulation wallboard. The heat preservation and insulation wallboard comprises two panels; several connecting partition plates are connected with the two panels and are located in the two panels, the connecting partition plates divide the space of the two panels into several zones, several heat preservation and insulation layers are installed in thetwo panels, cross beam layers are arranged at one end or two ends of the two panels, and threading holes are reserved in the space within the two panels. The heat preservation and insulation wallboardcan directly limit the intervals divided by the connecting partition plates, different design requirements are achieved, positioning and connecting blocks can be used for connecting and fixing the edge of the heat preservation and insulation wallboard, so that the integral combination of the heat preservation and insulation wallboard is firm, and the positioning and connecting blocks and the connecting partition plates together achieve the strength of the heat preservation and insulation wallboard, so that the heat preservation and insulation wallboard is not prone to deformation or breakage;the several zones divided by the connecting partition plates not only can fill the heat preservation and insulation layers, but also can cast the concrete stand columns, the positioning is accurate,and the construction is more convenient; through the design of the threading hole and a wiring conduit, the space is reserved for wiring, later decoration does not need to destroy the wall body, and the heat preservation and insulation effect is guaranteed.
Owner:李跃刚

Waterproofing and draining combined roof with no vents and no leakage

The invention discloses a waterproofing and draining combined roof with no vents and no leakage. The waterproofing and draining combined roof comprises a roof structure plate (1), a drain pipe (8) anda water guide pipe (9), wherein a waterproof layer (2), a waterproof protective layer (3), a draining layer (4), a heat insulating layer (5), a fine stone concrete layer (6) and a roof decorative layer (7) are sequentially arranged on the top surface of the roof structure plate from bottom to top; the drain pipe which penetrates through the roof structure plate, the waterproof layer, the waterproof protective layer, the draining layer, the heat insulating layer, the fine stone concrete layer and the roof decorative layer from bottom to top is flush with the top surface of the roof decorativelayer; the water guide pipe which penetrates through the roof structure plate, the waterproof layer, the waterproof protective layer from bottom to top is flush with the top surface of the waterproofprotective layer; the lower end of the water guide pipe is connected with the drain pipe through a bending pipe (10); and a check valve (11) is arranged at the connecting position of the bending pipeand the drain pipe, and the check valve is connected with the drain pipe through a hinge (12). Two waterproofing systems are arranged on the roof to prevent the pressure in the heat insulating layer from rising, strong independence is achieved, and the overall waterproof effect is good.
Owner:CHINA CONSTR FOURTH ENG DIV
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