Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

535results about How to "Improve insulation effect" patented technology

Elastic thermal insulating coating

InactiveCN103342936AEnvironmentally friendly and excellent performanceExcellent thermal insulation effectReflecting/signal paintsWeather resistanceTitanium dioxide
The invention belongs to the technical field of architectural coating and particularly relates to an elastic thermal insulating coating. The elastic thermal insulating coating comprises the following components by weight percent: 40-50% of film forming agent, 10-20% of titanium dioxide, 4-10% of hollow glass bead, 5-7.5% of filler, 3-6% of dispersing agent, 1-3% of wetting agent, 1.6-4.0% of coalescing agent, 0.1-0.2% of cellulose, 0.1-0.5% of thickening agent, 0.2-0.5% of antifoaming agent and the balance of water. According to the technical scheme, all the materials are environment-friendly, and excellent thermal insulating effect and weather resistance are achieved due to the adoption of the hollow glass bead and rutile-type nanometer titanium dioxide. The hollow glass bead coating has a broad market space.
Owner:KUNSHAN DACHUAN COLORANT MATERIAL

Preparation method of foaming thermal insulation ceramic decorative plate

The invention discloses a preparation method of a foamed thermal-insulation ceramic decorative plate in the technical field of building decorative materials. The method comprises the following steps: carrying out ball milling, spray drying, granulating and ageing on raw materials such as ceramic waste and kaolin; mixing and dispersing the aerogel-hydrogel gradient core-shell structure composite modified material and ceramic particles, and sieving to obtain composite powder; compounding sodium bicarbonate and azodicarbonamide with a foaming agent, mixing the foaming agent with the composite powder, and adding a surfactant and a dispersing agent to adjust the viscosity so as to prepare expandable ceramic slurry; the slurry is injected into a mold and coated with low-temperature glaze, and stepped heating sintering is conducted through a tunnel kiln and comprises the steps of preheating glue discharging, primary foaming, secondary sintering, gradient cooling and the like. The thermal insulation performance, the mechanical strength, the weather resistance and the decoration performance are synergistically improved, and the product is low in heat conductivity coefficient, high in compressive strength, excellent in ultraviolet aging resistance, firm in decoration layer combination and suitable for building outer walls and other scenes.
Owner:HUNAN FUOU TECHNOLOGY CO LTD

Concrete panel pouring, spraying and curing device

The utility model discloses a concrete panel pouring spraying maintenance device which comprises a heat preservation and moisture preservation maintenance composite coiled material and a water supply system, the heat preservation and moisture preservation maintenance composite coiled material comprises a contact layer, a spraying layer, a reinforcing layer, a heat preservation layer and a protection layer which are sequentially connected from inside to outside, and the spraying layer comprises a plurality of spraying water pipes which are evenly distributed. A plurality of corresponding water spraying holes and water seepage holes are formed in the side, opposite to the contact layer, of the spraying water pipe, and a water supply system is connected to the spraying water pipe. The device can realize uniform spraying for concrete surface curing, and can automatically adjust the spraying size according to conditions, thereby reducing the operation burden of workers and ensuring the curing effect.
Owner:SINOHYDRO BUREAU 12 CO LTD

Hollow outer wall and main structure integrated pouring house building

The application relates to a house building integrally poured with a hollow outer wall and a main body structure and relates to the field of house building. The house building integrally poured with the hollow outer wall and the main body structure comprises a main body forming module, a wall forming template and a heat preservation piece, the main body forming module comprises corner plates and a template, four corner plates are symmetrically arranged, the four corner plates are vertically arranged at corner positions of main body support columns respectively, sliding grooves are arranged on vertical end faces of the two sides of the corner plates, the wall forming template is arranged between the two main body forming modules, the wall forming template is assembled on the front and back sides of the two main body forming modules, and the heat preservation piece is vertically arranged in the wall forming template, the heat preservation piece comprises heat preservation blocks, the heat preservation blocks are made of polyethylene foam material, and connecting sliding strips are vertically fixed on vertical end faces of the two sides of the heat preservation blocks. The heat preservation piece and the wall are integrally poured and formed, the integrally pouring and forming of the heat preservation piece and the wall is guaranteed, no gap exists between the heat preservation piece and the wall, and the overall heat preservation property of the heat preservation part on the outer wall is improved.
Owner:SIHUI CONSTR GRP

High-speed train multi-hole corrugated composite roof

ActiveCN224348914UVibration reduction effectImprove sound insulationRailway roofsRailway heating/cooling
The utility model relates to the technical fields of rail transit especially, a kind of high-speed rail vehicle porous corrugated modeling composite middle roof;Including surface panel, intermediate layer core material, backboard, the surface panel, the intermediate layer core material, the backboard are formed composite middle roof by composite glue composite;The surface panel is porous aluminum plate structure, is provided with corrugated modeling 1-1, the composite filling area is set in the intermediate layer between the parallel surface area of the surface panel and the backboard, and several groups of the intermediate layer core material are set in the composite filling area, and the area outside the composite filling area on the surface panel is provided with decorative hole and can penetrate the structure of the composite middle roof, meet the original decoration and the function premise of convenient inspection door under, further improve sound insulation and thermal insulation performance, while having better stiffness, can reduce the effect of the component vibration when train operation.
Owner:KTK GRP CO LTD

Far infrared heat preservation knitted fabric

The utility model discloses a far infrared heat preservation knitted fabric which is of a double-face structure, the inner layer of the far infrared heat preservation knitted fabric is a heat preservation face, and the inner layer is made of combed cotton yarn. The outer layer is a breathable surface and is made of polyester; the inner layer and the outer layer are connected through polyester; the minimum cycle knitting structure of the knitted fabric is a fourteen-way pattern. According to the far infrared heat preservation knitted fabric, the combed cotton yarn and the polyester are matched with a special woven structure, so that the fabric has good heat preservation performance and air permeability, moisture generated by a body can be discharged in time, the moisture on the body surface is prevented from being accumulated between the fabric and the skin, and therefore the situation that the wearing experience of a user is reduced is avoided; moreover, the problem that the user catches a cold due to the fact that the heat conduction speed of the user is too fast due to moisture accumulation is prevented, and the heat preservation effect is reduced. The far infrared heat preservation knitted fabric combines heat preservation and moderate air permeability, the physiological needs of the human body are considered while heat comfort is maintained, and the wearing comfort is improved.
Owner:ZHAOQING YUELONG TEXTILE CO LTD

A double-sided composite fireproof and heat-insulating board

This utility model provides a double-sided composite fireproof and heat-insulating board, relating to the technical field of fireproof and heat-insulating boards. It includes a wall, a moisture-proof component, and a protective component. A board is provided on one side of the wall, and a pressure plate is provided on the side of the board away from the wall. A moisture-proof layer is fixedly connected to one side of the pressure plate, and a fireproof layer is fixedly connected to one side of the moisture-proof layer. This double-sided composite fireproof and heat-insulating board, through the inclusion of the moisture-proof component, provides the following benefits during use: the pressure plate is impact-resistant and windproof; the moisture-proof layer prevents water vapor from entering the interior of the insulation board; the fireproof layer provides fire resistance and heat insulation; the insulation layer is used for the insulation core material; the vacuum layer improves the insulation performance; and the adhesive layer facilitates board installation. This achieves the effect of improving the device's moisture-proof performance, avoiding the situation where high humidity in the air during the rainy season in southern regions, coupled with indoor dampness, allows moisture to easily enter the core material, leading to internal moisture absorption and increased thermal conductivity.
Owner:HENAN TIANEN SHANGPIN NEW MATERIAL TECHNOLOGY CO LTD

Winter construction of new pouring concrete insulation facilities

The utility model relates to winter construction new pouring concrete heat preservation matching facilities belongs to concrete construction technical field, including tarpaulin, the inside setting of tarpaulin has new pouring concrete body. The utility model has the beneficial effect that through the setting of heat transfer zone, can continuously supply heat, can last heat preservation, guarantees the concrete quality of winter construction, and heat transfer zone presents the structure of multiple rows, supplies heat as much as possible for more new pouring concrete body, and the non - woven fabric has better moisture - proof, ventilation, pliable, nontoxic, the characteristics such as affordable price, and the above structure can disposable investment, recycling, material - saving environmental protection, so that the structure has energy - saving environmental protection, and heat transfer zone, non - woven fabric procurement unit price is low, simple operation, wide application, so that the structure has economy, and the setting of tarpaulin can resist gale and heavy rain weather, as much as possible reduces the influence of external factors to new pouring concrete, is applicable to all winter construction concrete heat preservation maintenance.
Owner:CHINA RAILWAY TUNNEL GRP ROAD & BRIDGE ENG CO LTD +2

Heat preservation air pipe

The utility model discloses a heat preservation air pipe which comprises a pipe body, a heat preservation mechanism is arranged on the pipe body, the heat preservation mechanism comprises an inserting plate and a fixing base, and a first heat preservation shell is inserted into the inserting plate. The heat preservation shell containing the heat preservation cotton is arranged on the outer wall of the pipe body, the heat preservation effect of the air pipe can be improved, due to the fact that the heat preservation cotton is arranged in the first heat preservation shell, the aging time of heat preservation materials can be shortened, and when the first heat preservation shell needs to be detached, a worker pushes the grip to enable the clamping rod to be separated from the groove in the clamping base, and the heat preservation effect is improved. Then the clamping rod is turned over with the connecting base as the axis, the clamping rod is made to be away from the clamping base, at the moment, the first heat preservation shell is not limited by the clamping rod and can be taken down from the pipe body, the first heat preservation shell can be rapidly detached and replaced, the air pipe can be protected through the first heat preservation shell, and the problem that the pipe body is sunken due to collision can be solved; and the service life of the air pipe is further prolonged.
Owner:JIANGSU DAFENG ENVIRONMENTAL TECH CO LTD

A cold-resistant, low-smoke, airtight explosion-proof control cable and its manufacturing method

This invention discloses a cold-resistant, low-smoke, airtight, explosion-proof control cable and its manufacturing method, relating to the field of control cable technology. It includes a central transmission cable with an outer protective rubber layer. The outer protective rubber layer is covered by an inner anti-slip silicone ring, which is further covered by an inner rubber expansion layer. A side-guided inner tube is located outside the inner rubber expansion layer. This invention utilizes a flexible expansion airbag and an adjustable isolation box with a linked internal and external pressure-stabilizing structure to maintain the internal air pressure of the control cable within a suitable range during use. This allows for rapid sealing and protection of the damaged area after external damage, preventing internal damage or electrical sparks caused by external impurities after the outer sheath is damaged. This effectively improves the explosion-proof capability and safety of the control cable.
Owner:ANHUI PACIFIC CABLE CO LTD

Solid-state composite phase change thermal insulation material, preparation method and application thereof

PendingCN122599609AImprove thermal insulation performancereduce manufacturing cost
The application provides a solid-state composite phase change heat insulation material and a preparation method and application thereof, and belongs to the technical field of heat insulation solid-state composite phase change heat insulation materials. In view of the problems of complex operation process, harsh conditions and poor heat insulation performance of the prepared phase change material, the method comprises the following steps: taking inorganic aluminum salt, anhydrous ethanol and deionized water in proportion to form a mixed solution, performing ultrasonic treatment on the mixed solution, adding a gel initiator into the mixed solution in proportion, stirring to gel the mixed solution, compounding the gelled mixed solution with a ceramic fiber felt to obtain a gel plate, covering and packaging the gel plate with an aluminum plastic film, performing vacuum treatment on the gel plate, and then packaging the gel plate to obtain the solid-state composite phase change heat insulation material. The prepared solid-state composite phase change heat insulation material has the performances of low-temperature heat dissipation, medium-temperature heat absorption and high-temperature heat insulation, and has lower price and simpler process flow.
Owner:SUZHOU QIXINENG ENERGY TECHNOLOGY CO LTD

Sandwich waterproof thermal insulation structure for outdoor stair

The utility model provides a kind of sandwich waterproof thermal insulation structure of outdoor stair, not only ensure the continuity of outdoor stair insulation layer and waterproof layer laying, effectively protect the working performance of structure layer, also improve construction efficiency, avoid the construction cycle extension problem possibly caused by complex due to height difference change. The leveling layer is fixed on the upper surface of roof panel, and the stair surface layer plate is fixed on the upper surface of stair tread plate;The waterproof layer and the insulation layer are arranged between the leveling layer and the stair tread plate, the waterproof layer is fixed on the upper surface of the leveling layer, the insulation layer is fixed on the upper surface of the waterproof layer, and the stair tread plate is fixed on the upper surface of the insulation layer;It further includes vertical planting, vertical planting is sequentially implanted roof panel, leveling layer, waterproof layer, insulation layer and stair tread plate;Longitudinal reinforcement is embedded in the insulation layer, and the longitudinal reinforcement is fixed with the vertical planting in the insulation layer;Bidirectional steel mesh is embedded in the stair tread plate, and the bidirectional steel mesh is fixed with the vertical planting in the stair tread plate.
Owner:CHINA UNITED ENG

Novel fireproof and waterproof heat preservation isolation belt for refrigeration house

The utility model relates to the field of isolation belts, in particular to a novel fireproof and waterproof heat preservation isolation belt for a refrigeration house, which comprises a fireproof plate and a U-shaped mounting frame. The fireproof plate is sleeved with a U-shaped mounting frame. The fireproof plates are sequentially bonded and assembled with the waterproof plates and the heat preservation plates below the fireproof plates, then the U-shaped mounting frame is matched with the rectangular mounting plate on one side of the U-shaped mounting frame to reinforce the fireproof plates and the like, and then the U-shaped mounting frame drives the fireproof plates and the like to be arranged on expansion joints and floor beams of the refrigeration house. By means of the method, the isolation belt is laid between the heat preservation material and the cold storage structure at the position between the heat preservation material and the cold storage structure, so that a fireproof heat preservation isolation layer is formed, fire spreading can be effectively prevented, the heat preservation material is isolated from articles in the cold storage, and fire is prevented from spreading into the cold storage from the heat preservation layer; meanwhile, an excellent heat preservation effect is achieved, and a cold bridge is prevented from being formed.
Owner:SHANGHAI YUEDA ENERGY SAVING TECH CO LTD

A reheating device

A reheating device includes a housing, a cylinder, and a steam module. A cover plate is installed in the connecting cylinder, and the cover plate is equipped with a safety valve, an exhaust port, a pressure sensor, and an inlet pipe. The exhaust pipe is fixed to the connecting cylinder and passes sequentially through the bottom surface of the connecting cylinder and the exhaust port. Four steam conduits are connected to the bottom surface of the connecting cylinder. The diameter of the inlet pipe is larger than the diameter of the exhaust pipe. A cap for the inlet pipe is detachably installed on the inner wall of the top cover. After removing the top cover, external steam is introduced into the cylinder through the inlet pipe and steam conduits. When the steam pressure in the cylinder exceeds the set pressure of the safety valve, the safety valve opens to discharge the steam from the cylinder.
Owner:HENGYANG TELLHOW COMM MOTOR CO LTD

Passive ultra-low energy consumption decoration system

The utility model discloses a passive ultra-low energy consumption decoration system, and particularly relates to the technical field of decoration, the system comprises a wall body assembly and a window assembly installed in the wall body assembly, the wall body assembly comprises an inner acanthus, a sandwich insulation board and an outer acanthus, a plurality of uniformly distributed tie pieces are arranged between the inner acanthus and the outer acanthus, and the inner acanthus and the outer acanthus are connected with the sandwich insulation board. The outer wall of each tie piece is fixedly sleeved with two heat insulation ring plates, the window assembly comprises a window frame, a glass frame is hinged to the interior of the window frame, and three pieces of film glass are fixedly arranged in the glass frame. The wall body assembly is composed of the inner leaf plate, the sandwich heat preservation plate, the outer leaf plate and the pulling pieces, energy consumption of indoor equipment can be effectively reduced, meanwhile, the heat insulation ring plate can prevent cold bridges from being formed, the heat preservation performance of the wall body assembly is improved, and in addition, the heat preservation effect is good. The multilayer film glass and the argon filling layer can further reduce indoor and outdoor heat exchange and energy consumption of indoor equipment, and can effectively block sound transmission.
Owner:SHANDONG XIONGSHI ARCHITECTURE DECORATION CO LTD

An electromagnetic heating body, equipment and system for a two-part twin-screw extruder barrel

ActiveCN117416028Bavoid secondary wasteImprove heating efficiency
This invention relates to the field of twin-screw extruder technology, specifically to a two-part twin-screw extruder barrel electromagnetic heating body, equipment, and system. The electromagnetic heating body consists of two L-shaped main bodies hinged together to form a rectangular structure. A through hole is opened in the middle of the rectangular structure to serve as a space for accommodating the die barrel. The outer shell is made of mica sheet assembled using corner brackets. Its inner surface is lined with radiation-shielding material, and the inside of the radiation-shielding material is lined with thermal insulation cotton. An electromagnetic coil is placed on the thermal insulation cotton. The innermost side is sealed with a thin mica sheet to the electromagnetic coil, thermal insulation cotton, and radiation-shielding material. The electromagnetic coil is electrically connected to an electromagnetic heater. This invention uses electromagnetic heating of the barrel to generate its own heat, avoiding secondary energy waste caused by heat transfer, improving heating efficiency. Compared with resistance wire heating, the power saving rate during normal production can reach 50%, and it also increases production capacity to a certain extent. It also has the advantages of precise temperature control and reduced ambient temperature.
Owner:SHEN ZHEN SU NENG ENERGY SAVING EQUIPMENT CO LTD

A conveying mechanism for testing electronic components

This utility model relates to a conveying mechanism for testing electronic components, including a machine base and several trays, cooling tables, testing tables, and temporary storage tables located on the machine base; the second conveying mechanism also includes a conveying cover located outside the conveying lifting cylinder; the conveying cover directly below the conveying base has an inlet and outlet for the conveying base to freely enter and exit, and the inlet and outlet are equipped with a closed structure. The conveying cover on the second conveying mechanism of this utility model can keep the electronic components warm during the conveying process, and the conveying base outside the suction cup allows the suction cup to easily enter and exit the inlet and outlet at the bottom of the conveying cover, facilitating the gripping of electronic components and avoiding any impact on the electronic components.
Owner:HON PRECISION TECH (SUZHOU) LTD

Aluminum-plastic co-extrusion building system door and window

The utility model discloses an aluminum-plastic co-extrusion building system door and window which is composed of an outer frame, a mullion and a glass sash. Glass is arranged between the upper transverse frame and the middle transverse frame and between the lower transverse frame and the middle transverse frame; the upper transverse frame, the middle transverse frame and the lower transverse frame are each composed of an outer profile assembly and an inner profile assembly. The outer profile assembly comprises an outer plate and an outer profile; the outer plate is connected with the outer profile through a first heat preservation and insulation structure. The outer plate and the outer profile are connected through the first heat insulation structure, the outer profile and the inner profile body are connected through the second heat insulation structure, multiple heat resistance barriers are formed, the first heat preservation layers co-extruded on the two sides are matched, a heat conduction path is effectively blocked, and the door and window profile has good heat preservation and heat insulation performance; in addition, heat insulation type aluminum-plastic co-extrusion systematic doors and windows with different K values or U values are constructed by combining the outer sectional material, the sealing structure and different inner sectional material bodies.
Owner:HUNAN MENGTONG CURTAIN WALL DOORS & WINDOWS CO LTD

Water and fertilizer integrated intelligent fertilizer applicator for crops in alpine and arid regions

The utility model provides a high and cold arid region crop water and fertilizer integrated intelligent fertilizer applicator, which relates to the technical field of agricultural irrigation equipment, and comprises an intelligent fertilizer applicator, the side surface of the intelligent fertilizer applicator is connected with a discharge pipe, one end of the discharge pipe is connected with a pump machine, the side surface of the pump machine is connected with a connecting pipe, one end of the connecting pipe is connected with a spraying pipe, and the other end of the connecting pipe is connected with a water pump. A plurality of nozzles are distributed at the bottom of the spraying pipe, two fixing rings are arranged on the outer side of the spraying pipe, bolts penetrate through the two ends of the fixing rings, nuts are movably arranged on the outer sides of the bolts, and side supporting plates are movably connected to the outer sides of the nuts. The fixing ring is arranged on the outer side of the spraying pipe, the bolt penetrates through one end of the side supporting plate and one end of the fixing ring, by rotating the nut, the nut drives the side supporting plate to ascend and descend, the side supporting plate provides lateral supporting for the fixing ring, the second limiting screws are distributed at the bottom of the side supporting plate, and stable supporting can be provided.
Owner:INSTITUTE OF ENVIRONMENT AND SUSTAINABLE DEVELOPMENT IN AGRICULTURE CAAS

Large-span concrete double-T plate

The utility model relates to a kind of concrete double T plates, belong to concrete double T plate structure design technical field, specifically a large-span concrete double T plate, including double T plate body, still include;Positioning slot, positioning slot starts at the periphery of double T plate body, and the inside of each positioning slot is inserted with positioning block;Thermal insulation board, thermal insulation board fixed mounting is in the inner top of double T plate body;The utility model reaches the effect of reducing construction difficulty, facilitating worker installation, solves the high complexity of existing mould, difficult to realize mass production, substantially increase the cost of mould processing, and the precision requirement of on-site hoisting is high, increase the construction difficulty of staff, reduce the problem of work efficiency.
Owner:CHINA CONSTR EIGHTH ENG DIV CORP LTD ZHEJIANG CONSTR CO LTD

A narrow-side casement window and a construction method thereof

PendingCN122215608AReduce the proportion of viewing areaImprove insulation effectWindow/door framesSealing arrangements
The application relates to the technical field of doors and windows, and discloses a narrow-edge casement window and a construction method thereof, which comprises a frame one, a middle frame one and a frame two, the frame one, the middle frame one and the frame two are all used for supporting the whole, a connecting block one is embedded in the frame one, an outer frame one is embedded on one side of the connecting block one, and the outer frame one is used for improving the appearance of the frame one; an outer frame three is arranged, a slot opening is arranged in the middle frame one, the outer frame three is arranged in the slot opening, and the outer frame three is used for supporting the whole; two glasses are fixedly connected with a mounting rack. Through the narrow-edge structure design, the area proportion of the frame and the sash is reduced, and the heat preservation performance is improved; the opening sash part and the fixed glass part are all provided with multiple seals, the opening sash is provided with three seals, the fixed glass is provided with two seals, the water resistance and the air tightness are improved, and when a mullion in the door and window is processed, a slot insertion type process is adopted, and a special connecting sleeve core is added, so that the resistance strength is greatly improved.
Owner:CHENGDU JIHONG DECORATION ENG ALUMINUM PLASTIC DOORS & WINDOWS CO LTD

Lignin-based liquid mulching film as well as preparation method and application thereof

The invention discloses a lignin-based liquid mulching film as well as a preparation method and application thereof, the liquid mulching film is prepared by taking lignosulfonate as a main raw material, compounding the lignosulfonate with chitosan and polyvinyl alcohol to form a basic solution, then carrying out crosslinking modification by epoxy chloropropane and complexing treatment by tetrakis hydroxymethyl phosphonium chloride, and finally adding nano kaolin and uniformly stirring. When in use, the fertilizer is diluted with water and then sprayed on the surface of soil to form a uniform covering film. According to the invention, a phenylpropane structure of lignosulfonate is fully utilized as a rigid framework of a polymer, and the obtained mulching film has good film-forming property, hydrophobicity and heat preservation and moisture conservation performance through a tackifying effect of chitosan, a toughening effect of polyvinyl alcohol and synergistic modification of the cross-linking agent and the complexing agent. The addition of the nano kaolin further enhances the infrared barrier ability of the mulching film and reduces heat loss at night.
Owner:INST OF CHEM IND OF FOREST PROD CHINESE ACAD OF FORESTRY

Cold storage composite wall body heat preservation structure

The utility model relates to a cold storage composite wall heat preservation structure, it includes the multiple steel structure stand who is installed between civil engineering wall and storehouse roof structure and interval arrangement, the multiple horizontal keels who are installed between two adjacent steel structure stands and interval arrangement, install in the two galvanized angle iron keels of storehouse roof structure bottom surface and civil engineering wall top surface, install on two galvanized angle iron keel colorful steel sheet, install on each horizontal keel and extend in the direction of the colorful steel sheet direction of multiple first T type wood pile, install on multiple first T type wood pile stainless steel sheet and form between colorful steel sheet and the spray polyurethane of stainless steel sheet. The heat preservation effect is superior to polyurethane sandwich board partition wall, and this partition wall does not influence wall structure with slight collision, is easy to repair.
Owner:YANTAI SHUNDA POLYURETHANE CO LTD

Prefabricated building wall heat preservation and sound insulation board

The utility model provides a prefabricated building wall heat preservation and sound insulation board, and belongs to the technical field of heat preservation and sound insulation boards, the prefabricated building wall heat preservation and sound insulation board comprises a body, the body is used for heat preservation and sound insulation, a reinforcing rib is arranged on the surface of the body, the reinforcing rib and the body are integrally formed, and the reinforcing rib and the body are integrally formed. The reinforcing ribs are used for reinforcing the structure of the body, the reinforcing ribs are arranged on the surface of the body in a cross shape or a shape like a Chinese character'mi ', and the width of the middle portion of each reinforcing rib is larger than that of the two ends of each reinforcing rib; the reinforcing ribs are fusiform or rectangular, and protrusions with the width larger than that of the reinforcing ribs are arranged in the middles of the reinforcing ribs. The problem that the top and the middle of a traditional prefabricated wall heat-insulation and sound-insulation board fall off after being used for a long time, and the heat-insulation and sound-insulation effects of the heat-insulation and sound-insulation board are affected can be solved.
Owner:QINGDAO BEIYANG ARCHITECTURAL DESIGN CO LTD

Heat preservation printing and dyeing cloth coiled material

The utility model relates to a heat-preservation printing and dyeing cloth coiled material which comprises a cloth body, a printing and dyeing layer is arranged on one side of the cloth body, a heat-preservation assembly is arranged on the other side of the cloth body, and a first waterproof layer is arranged on the face, away from the cloth body, of the heat-preservation assembly. The heat preservation effect of the cloth is improved.
Owner:TAIZHOU TONGXUAN PRINTING & DYEING CO LTD

A melt-blown material with antibacterial and soundproofing properties, and a method for preparing and using the same

This invention discloses a meltblown material with antibacterial and sound-insulating properties, its preparation method, and its application, relating to the field of meltblown fabric production technology. By adjusting the spinning equipment, the angle θ between the spinneret and the condensing screen, the vertical distance L between them, and other process parameters, the fiber packing pattern and packing density can be altered to obtain a meltblown material with a three-dimensional structure. This increases the specific surface area of ​​the meltblown material, effectively improving its sound absorption and heat insulation effects under the same resistance conditions, and also exhibiting good antibacterial properties. Furthermore, it improves the uniformity of the transverse fibers in the meltblown fabric, reduces the difference in mechanical properties between the transverse and longitudinal directions, increases the fiber bonding strength during the meltblowing process, and thus increases the mechanical strength of the meltblown material. This effectively mitigates the problem of decreased sound absorption efficiency in the obtained meltblown material, and the resulting meltblown material has high bulkiness.
Owner:SCD NEW MATERIAL TECH SHANGHAI CO LTD

Safe sealing type aluminum alloy window

The utility model relates to the related technical field of aluminum alloy windows, in particular to a safe sealing type aluminum alloy window which comprises a window frame, a window sash body, a lock body, a hollow glass body, an elastic element, a multi-layer sealing component, a water baffle and a drainage component. According to the safe sealing type aluminum alloy window, the window sash body is locked or opened through the lock body, the air tightness and the waterproofness of the window in the closed state are guaranteed through the elastic element and the multiple layers of sealing components, the water baffle and the drainage component further prevent rainwater from invading, and accumulated water is drained in time; therefore, the overall usability and the service life of the window are improved.
Owner:NANJING JINFANG DOORS & WINDOWS CO LTD

Steam pipeline waste heat recovery device

The utility model provides a waste heat recovery device for a steam pipeline, belongs to the technical field of waste heat recovery, and aims to solve the problems that high-temperature and high-pressure steam is transmitted for a long time in a conveying pipeline with too many bends, the consumption is high, the efficiency of converting the high-temperature steam into electric energy is not high, a pipeline system is complicated, and the conveying process needs to be detected. The heat utilization mechanism is mounted in the steam conveying pipeline; one end of the conveying mechanism is fixedly communicated with the heat utilization mechanism; the liquid control mechanism is communicated with the conveying mechanism; the steam conveying pipeline is arranged in the steam boiler and is resistant to high temperature and corrosion, the heat preservation performance is high, and a steam pipe network is monitored in real time; the heat utilization mechanism is inserted into the steam conveying pipeline to improve the steam utilization rate; high-temperature and low-temperature liquid flows in or out in a one-way mode, and auxiliary absorption of waste heat is rapidly completed.
Owner:NINGXIA ENERGY CONSERVATION MAOYE WASTE HEAT PWR GEN CO LTD