325results about How to "Improve thermal insulation performance" patented technology

The utility model belongs to the technical field of stone curtain walls, discloses a dry-hanging stone curtain wall convenient to maintain, and aims to solve the problems proposed in the background technology, the following scheme is proposed: the dry-hanging stone curtain wall comprises galvanized steel plates which are fixed on a mounting wall surface at equal intervals, and four corners of each galvanized steel plate are respectively provided with a cross-shaped adjusting groove in a penetrating manner; and a fixing hanging frame is welded to the outer wall of the middle of the galvanized steel plate, a first circular through groove is formed in the outer wall of the fixing hanging frame in a penetrating mode, and a corner connector is fixedly connected to the inner wall of the fixing hanging frame in an inserted mode. According to the overall firmness of the keel frame, the keel frame is matched with expansion bolts at the four corners of a galvanized steel sheet for stress reinforcement, inclined upward pulling force is arranged on the back face of the square tube keel frame for reinforcement, the overall stability of the keel frame is improved, and the connection between the square tube keel frame and the transverse keel frame is firm. And stress reinforcement is carried out by adopting double modes of insertion connection and bolt fixation, so that the overall safety of the stone curtain wall can be improved.

The invention discloses a heat preservation integrated assembly type roof structure and a construction method thereof, and relates to the technical field of building roof structures, the heat preservation integrated assembly type roof structure comprises a supporting frame, a heat preservation layer, a waterproof layer and a concrete protection layer, the supporting frame is fixed to a building main body structure, and the heat preservation layer comprises a plurality of roof panels which are spliced with one another; the roof panel is made of high-strength lightweight concrete, a heat preservation plate is embedded in the roof panel, a fixing structure used for fixing the roof panel is arranged on the supporting frame, the waterproof layer is laid on the heat preservation layer and covers the whole heat preservation layer, and the concrete protection layer is laid on the waterproof layer and covers the whole heat preservation layer. And a gap between the supporting frame and the building main body structure is sealed. The method has the advantages that efficient assembly construction can be achieved, the construction period is remarkably shortened, the field operation amount is reduced, and the construction efficiency is improved.

The invention discloses an assembly type multi-layer lightweight concrete sandwich wallboard structure system, which relates to an assembly type multi-layer building and comprises lightweight concrete sandwich prefabricated wallboards, vertical corner prefabricated members and fully prefabricated hollow floor slabs, the lightweight concrete sandwich prefabricated wall panel and the vertical corner prefabricated part are connected in an anchoring mode through a vertical anchoring connecting section, a prefabricated bracket is arranged on one side of the lightweight concrete sandwich prefabricated wall panel, and the full-prefabricated hollow floor slab is arranged on the prefabricated bracket. The fully-prefabricated hollow floor slabs and the lightweight concrete sandwich prefabricated wallboards are anchored and connected through the horizontal cast-in-place sections of the fully-prefabricated hollow floor slabs, and every two adjacent layers of lightweight concrete sandwich prefabricated wallboards and vertical corner prefabricated parts are fixedly clamped through buckle type connecting parts. The invention further discloses a construction method of the fabricated multi-layer lightweight concrete sandwich wallboard structure system. Connection joints are simple and convenient, grouting connection is not needed, the prefabricated horizontal members do not need temporary supports, the on-site pouring amount is small, and the stress performance is good.

The utility model discloses a wallboard structure and an outer wall enclosure system, and relates to the technical field of fabricated buildings, the wallboard structure comprises a control system and a wallboard body; a plurality of cavities are formed in the wallboard body and communicate with one another through conveying guide pipes located in the wallboard body, connecting ports are formed in the conveying guide pipes and used for communicating with a control system through connecting branch pipes located on the outer side of the wallboard body, and the control system is used for pumping out air in the cavities so that vacuum areas can be formed in the cavities. According to the wallboard structure provided by the utility model, the plurality of cavities are formed in the wallboard body and are communicated with one another through the transmission guide pipes positioned in the wallboard body, and air in each cavity is pumped out through the control system, so that a vacuum area is formed in each cavity, and the thermal resistance of the wallboard body is improved; the heat conductivity coefficient of the wallboard body is reduced, the energy-saving effect is achieved, and then the heat preservation and heat insulation effect of the assembly type outer wall is improved.

The invention relates to the technical field of thermal insulation materials, and discloses a polyurethane foam material and a preparation method and application thereof, the polyurethane foam material is prepared from a raw material composition containing polyol, isocyanate, a catalyst, a polymer microsphere emulsion and a filler; the filler contains one or more than two of aerogel, fumed silica and polymer microspheres; the polymer microsphere emulsion is prepared by adopting a soap-free emulsion polymerization method, the preparation raw materials of the polymer microsphere emulsion comprise an oleophylic polymeric monomer and an amphiphilic polymeric monomer, and the polymer microsphere is prepared by drying the polymer microsphere emulsion. According to the invention, the polymer microsphere emulsion is used as a foaming agent, and the polymer emulsion does not contain fluorine and a traditional surfactant, so that the prepared polyurethane foam material is low in heat conductivity coefficient and density, good in heat preservation and heat insulation performance and environment-friendly, and meanwhile, the strength of polyurethane foam can also be improved; by adding the filler, the heat conductivity coefficient of the polyurethane foam material can be further reduced, and the thermal insulation performance of the polyurethane foam material is improved.

The invention relates to the technical field of heat-resistant materials, in particular to a preparation method of a basalt fiber SiO2 aerogel composite heat-insulating material. The preparation method of the basalt fiber SiO2 aerogel composite thermal insulation material comprises the following steps: S1, preparing chopped basalt fibers into a basalt fiber skeleton preform with a certain mechanical property; s2, preparing SiO2 sol; and S3, putting the fiber skeleton into the prepared SiO2 sol, aging, modifying, and drying in stages to obtain the basalt fiber SiO2 aerogel composite material. The material prepared by the method takes the basalt fibers as a reinforced matrix, the cost of the composite material can be reduced, mass production, popularization and application are facilitated, the basalt fiber porous material is prepared by adopting a method of combining gel casting with freeze drying, and the basalt short fibers are bonded by using a silica sol-agarose composite adhesive system, so that the composite material is prepared. The mechanical property of the composite material is improved.

The invention discloses a heat-proof and heat-insulating coating, a coating and a preparation method thereof, and relates to the field of heat-proof and heat-insulating coatings. The self-made functional modified light heat-insulating filler, the ceramic forming filler and the photosensitive modified matrix film forming matter are mixed and cured to obtain the heat-proof and heat-insulating coating. A coating layer obtained from the prepared coating is based on the functional modified light heat insulation filler, large-size coating forming and uniform forming can be achieved on the basis that the excellent three-dimensional structure and performance are kept, high-strength combination with a base material is achieved, and the temperature resistance and heat insulation performance of the material are improved.

The invention provides an underground circulating heat removal system and method, and belongs to the crossing field of geothermal development and petroleum engineering. The system comprises a sleeve, a formation water underground circulation assembly and an underground heat exchange device, wherein the formation water underground circulation assembly and the underground heat exchange device are arranged in the sleeve; the underground heat exchange device is connected with the formation water underground circulation assembly; and formation water in the geothermal water reservoir enters the underground heat exchange device along the formation water underground circulating assembly, and the formation water subjected to heat exchange is recharged into the geothermal water reservoir along the formation water underground circulating assembly to form circulating heat removal. By means of the underground formation water circulation assembly, formation water completely circulates underground and does not make contact with the outside, pollution to the formation water in the conveying process is reduced to a certain degree, and blockage of geothermal well rock stratum gaps is avoided as much as possible; according to the method, the same-layer reinjection of the formation water of the single well is realized through sidetrack drilling of the branch well sections, drilling of multiple wells is avoided, and the well drilling cost is saved.

The invention discloses an assembled self-insulating recycled concrete block wall and a construction method thereof, wherein the wall comprises a beam-column system, a structural layer and a decorative layer; the decorative layer is fitted with one side of the structural layer; the beam-column system comprises an upper side beam, a lower side beam, a left column and a right column; the structural layer is a multi-layer masonry, and the multi-layer masonry comprises several layers of walls built by main blocks, a layer of walls built by secondary blocks, and end blocks; a left column and a right column are respectively arranged at both ends of the lower side beam; the structural layer is built on the lower side beam and is located between the left column and the right column; an upper side beam is arranged at the top of the structural layer; a first notch and a first convexity are respectively arranged on the outer sides of the left column and the right column; a second convexity is arranged at the top of the upper side beam, and a second notch is arranged at the bottom of the lower side beam. By arranging a special connector to connect the structural layer and the decorative layer, the assembly is convenient and the splicing efficiency can be greatly improved.

The invention relates to the technical field of building materials, and provides a preparation method of a functional fiber modifier, the modifier and application of the modifier in precast concrete.The method comprises the steps that S1, a calcium raw material is added into water to be stirred and mixed, sealed standing and aging are conducted for 20-48 h, a mixed solution is obtained, and the temperature of the water is controlled to range from 80 DEG C to 100 DEG C; s2, adding a siliceous raw material and a structure-directing agent into the mixed solution, uniformly mixing, and adding into a reaction kettle; s3, the temperature of the reaction kettle is controlled to rise, meanwhile, the stirring rotating speed is controlled to be 200-400 rpm, when the temperature rises to 180-220 DEG C, the stirring rotating speed is controlled to be 50-70 rpm, and heat preservation is conducted for a reaction; s4, after the reaction is finished, cooling, taking out slurry, filtering and drying to obtain functional fibers; and S5, dispersing the reinforcing agent in water, adding the functional fibers, and stirring for reaction to obtain the functional fiber modifier. According to the technical scheme of the invention, the functional fiber modifier has obvious rapid hardening and early strength effects, has no adverse effect on concrete performance, and can realize energy saving and steam curing-free and rapid demolding to improve the template turnover rate.

The utility model provides a breathing tube and medical equipment. The breathing tube comprises an air guide tube, a first supporting rib, a second supporting rib and a heating wire. The gas-guide tube is used for conducting gas; the first supporting rib is connected to the peripheral wall surface of the gas-guide tube and spirally surrounds the gas-guide tube by taking the axis of the gas-guide tube as a central axis; the second supporting rib is connected to the peripheral wall surface of the gas-guide tube and spirally surrounds the gas-guide tube by taking the axis of the gas-guide tube as a central axis; the heating wire is spirally wound by taking the axis of the gas guide tube as a central axis; wherein the first supporting rib is arranged in a hollow mode, the first supporting rib and the second supporting rib form a double-helix structure, and the heating wire is located between an inner cavity of the air guide pipe and an inner cavity of the first supporting rib. On the premise that the same strength is guaranteed, the breathing tube is small in weight, the machining efficiency can be improved, the heat preservation and heat insulation performance around the heating wire can be improved, and the heating effect of the heating wire is better.

The utility model discloses a heat preservation and insulation basalt fiber polyethylene composite pipe, relates to polyethylene composite pipe field, the composite pipe from inside to outside includes polyethylene layer, axial fiber layer, heat preservation layer, radial fiber layer, polyurea protective layer, axial fiber layer and radial fiber layer all adopt basalt fiber material. According to the structure, the strength of the composite pipe is enhanced, the thickness of the composite pipe can be reduced, the preparation difficulty and the transportation difficulty are reduced, and the cost is effectively reduced.

The utility model discloses an anti-stamping aluminum veneer, and particularly relates to the technical field of aluminum veneers, the anti-stamping aluminum veneer comprises an aluminum veneer body, stamping mechanisms used for improving the anti-stamping performance of the aluminum veneer body are arranged on the two sides of the interior of the aluminum veneer body, a flame-retardant layer is arranged between the two stamping mechanisms, a sound insulation layer is arranged on the rear side of the flame-retardant layer, and a sound insulation layer is arranged on the rear side of the sound insulation layer. A sound insulation layer is arranged on the rear side of the aluminum veneer body, a heat preservation layer is arranged on the rear side of the sound insulation layer, two connecting plates are fixedly arranged on each of the two sides of the aluminum veneer body, the stamping mechanism comprises a plurality of first reinforcing ribs and a plurality of second reinforcing ribs, and the first reinforcing ribs and the second reinforcing ribs are crisscrossed to form a net shape. By arranging the first reinforcing ribs and the second reinforcing ribs, the stamping resistance of the aluminum veneer body can be improved, the aluminum veneer body is prevented from being deformed due to collision, the service life of the aluminum veneer is prolonged, water can be prevented from entering the aluminum veneer body by arranging the waterproof layer, the interior of the aluminum veneer body is protected, and the service life of the aluminum veneer is prolonged. And the service life of the device is prolonged.

The utility model provides an assembly type light steel wallboard module unit integrating heat preservation and decoration. The assembly type light steel wallboard module unit comprises a module framework, a light wallboard, an inner and outer wall decorative plate and a groove type metal cover plate. The light wallboard is reasonable and reliable in structural design, through the modular design of the wallboard framework, the light wallboard can be rapidly assembled in the vertical direction and the horizontal direction, the number of on-site installation procedures is reduced, the construction efficiency is improved, the construction difficulty is reduced, and on the basis that the requirement for rapid assembly and rapid disassembly of wall decoration boards is met, the construction cost is reduced. And the waterproof, heat-insulating and attractive appearance of the joints of the wallboards is ensured. The inner wall face decoration panel and the outer wall face decoration panel are arranged in a quick-assembly and quick-disassembly structure, the wall face decoration working procedure is simplified, the sealing and waterproof functions and the like of the wall plate joints are guaranteed, and meanwhile personalized customization and convenient replacement of wall face decoration can be achieved for a user in the later using process.

The invention provides a self-rebounding heat-preservation and heat-insulation protective coating with ultralow thermal conductivity and a protective coating. The self-rebounding heat-preservation and heat-insulation protective coating with ultralow thermal conductivity comprises a coating body and a coating layer, comprising silicon resin emulsion, acrylic resin emulsion, modified polymer expanded microspheres, modified mineral fibers, polyvinyl alcohol toughened and modified hydrophobic silicon dioxide aerogel, a cross-linking agent, a catalyst, a thickening agent, a dispersing agent, a defoaming agent, a coalescing agent, a pH regulator, ethylene glycol and deionized water. The modified polymer expanded microspheres are polymer expanded microspheres subjected to surface modification treatment by a silane coupling agent I, and the modified mineral fibers are mineral fibers subjected to surface modification treatment by a silane coupling agent II. The lowest heat conductivity coefficient of a protective coating obtained by curing the ultralow-heat-conductivity self-rebounding heat preservation and insulation protective coating can reach 0.0180 W / (m.k) at the temperature of 25 DEG C, and the heat insulation temperature difference obtained after irradiation of a non-contact infrared heating lamp at the temperature of 80 DEG C for 15 min and the heat insulation temperature difference obtained after heating of a contact heating platform at the temperature of 80 DEG C for 15 min are larger than 35 DEG C and 40 DEG C respectively.

The utility model discloses a production device capable of overcoming ferrite stainless steel hot rolling soft and hard edges, which comprises a fixed check block arranged on a supporting leg, a plurality of supporting frames arranged between the fixed check block and the supporting leg, a movable check block movably installed on the supporting frames in a meshed mode, and a two-way screw movably installed at the bottom of the movable check block in a meshed mode. The two-way screw penetrates through a through hole in the bottom of the fixing check block and is installed on the supporting legs on the two sides through bearings, one end of the two-way screw is fixedly connected with the output end of the motor, the motor is fixedly installed on one side of the supporting leg, and the movable bottom plate is installed on the supporting leg below the supporting frame. The other end of the hydraulic telescopic rod is movably installed on the supporting leg. According to the utility model, the adjustable movable baffle blocks are matched with the fixed baffle blocks, so that the storage work of steel coils with various specifications and diameters can be realized, and a plurality of adjustable movable plates are arranged between the fixed frames, so that the contact between the steel coils and air can be adjusted, and the purpose of controlling the cooling speed of the steel coils is achieved.

The invention discloses a method for preparing a high-performance closed-cell perlite material by a chemical method, the prepared high-performance closed-cell perlite material is mainly used in the field of buildings, and the method comprises the following steps: S1, expanding; s2, film covering; s3, dispersing; s4, grading; according to the invention, a layer of silica sol film is formed on the surface of the closed-cell perlite, the film layer not only significantly reduces the volume shrinkage of the closed-cell perlite in the subsequent slurry stirring process, but also effectively hinders the expansion of cracks in the perlite and greatly reduces the cracking risk, and meanwhile, the heat conductivity coefficient of the material is also reduced by film coating treatment, so that the thermal conductivity of the material is improved. The thermal insulation performance is obviously improved; according to the drying furnace, through cooperative use of the drying mechanism and the adjusting mechanism, the air outlet pipe can be driven to swing up and down in a reciprocating mode, so that the air blowing angle of the air outlet pipe is adjusted according to use requirements, hot air can be blown to different areas in the furnace body, the air blowing range is widened, and the perlite drying effect is improved.

The stainless steel sheath for rolling the titanium-aluminum alloy plate comprises a bottom plate, a sheath body and a top plate, the upper portion and the lower portion of the sheath body are open, an inner cavity of the sheath body is sequentially provided with a lower clamping groove, a wrapping groove and an upper clamping groove from bottom to top, and the bottom plate is provided with a lower clamping plate corresponding to the lower clamping groove. And an upper clamping plate corresponding to the upper clamping groove is arranged at the bottom of the top plate, and the wrapping groove is of a structure with the narrow upper portion and the wide lower portion. According to the stainless steel sheath for rolling the titanium-aluminum alloy plate, welding is conducted after clamping, the sealing performance of the sheath can be improved, gaps generated at the weld joints and the edges of the sheath in the rolling process are reduced, and therefore the heat preservation and heat insulation performance of the sheath is improved, the structure with the narrow upper portion and the wide lower portion is adopted, the titanium-aluminum alloy plate can easily fall off from the sheath after rolling is completed, and the service life of the sheath is prolonged. The use is convenient.

The invention discloses a building external wall heat preservation structure easy to disassemble and assemble, and belongs to the technical field of building external wall heat preservation, the building external wall heat preservation structure easy to disassemble and assemble comprises a mounting plate, a heat preservation plate is mounted in the mounting plate, a setting assembly is arranged in the mounting plate, a locking and adjusting assembly is arranged at one end of the mounting plate, and a disassembly assisting assembly is arranged in the mounting plate; the peripheral side faces of the heat preservation plate are tightly pressed through expansion of the setting assemblies, so that the heat preservation plate is rapidly installed in the installation plate, meanwhile, a gap between the heat preservation plate and the installation plate is blocked, the construction efficiency is improved, the requirement for the size precision of the heat preservation plate is effectively lowered, and the construction cost is reduced. The expansion state of the setting assembly is locked through the arranged locking and adjusting assembly, meanwhile, the expansion degree of the setting assembly can be adjusted through the arranged locking and adjusting assembly, a good expansion sealing effect can be achieved for heat preservation plates with different thicknesses, the heat preservation plates can be automatically disassembled through the arranged disassembly assisting assembly, and the disassembly efficiency is improved. And the insulation board is more convenient and labor-saving to disassemble.

The invention discloses a method for preparing a composite thermal insulation material by recycling and reusing an environment-friendly waste aluminum silicate product, belongs to the technical field of thermal insulation materials, and aims to solve the technical problem that the mechanical property and the thermal insulation property of a coating cannot be simultaneously realized when the waste aluminum silicate product is added into the epoxy resin-based coating in the prior art. The invention relates to a method for preparing a composite thermal insulation material by recycling an environment-friendly waste aluminum silicate product. The method comprises the following steps: adding spheroidized composite particles into an organic solvent to obtain a suspension; adding the coated aluminum silicate product, epoxy resin, a modified chain extender and an amine curing agent into the suspension to obtain a mixture; curing and molding the mixture to obtain the composite thermal insulation material. The composite thermal insulation material prepared by the invention has excellent mechanical property and thermal insulation property when being used for recycling waste aluminum silicate products.

The invention relates to the technical field of plating, in particular to a tubular workpiece inner wall film deposition device and method.The deposition device comprises a deposition chamber, the deposition chamber comprises a reaction chamber, a feeding pipeline and a discharging pipeline are oppositely arranged on the two sides of the reaction chamber, and a supporting device is arranged in the reaction chamber; the supporting device is used for placing a tubular workpiece to be plated; the outer wall of the tubular workpiece is coated with the flexible heating piece, the heating bodies are distributed in the flexible heating piece to be plated and used for heating the tubular workpiece in the thin film deposition process, the tubular workpiece is wrapped by the flexible heating piece, the heating bodies and the tubular workpiece are tightly attached in a gapless mode for heating, the heating bodies wrap the tube body, heating is more uniform, and the coating effect is better. The heat conduction effect is high, and uniform deposition of a pipe inner wall film is facilitated; meanwhile, the flexible heating piece on the outer layer is used for supporting, the heat preservation and insulation performance is good, the heat utilization efficiency of the heating body is improved, the heating body is isolated from the supporting device, the heat influence of the supporting device is reduced, and the uniform deposition performance of the film is improved.

The invention belongs to the technical field of polyether polyol and preparation thereof, and particularly relates to pentafluorophenol modified o-aminobenzoic acid polyether polyol, a preparation method thereof and application of the pentafluorophenol modified o-aminobenzoic acid polyether polyol in rigid polyurethane foam. The pentafluorophenol modified o-aminobenzoic acid polyether polyol is prepared by taking pentafluorophenol modified o-aminobenzoic acid and polyol as a mixed initiator and polymerizing the mixed initiator with alkylene oxide under the action of a composite catalyst, the pentafluorophenol modified anthranilic acid is prepared by carrying out esterification reaction on pentafluorophenol and anthranilic acid in a molar ratio of 1: (1-1.2). The pentafluorophenol modified o-aminobenzoic acid polyether polyol provided by the invention is moderate in viscosity, hydroxyl value and functionality, and when the pentafluorophenol modified o-aminobenzoic acid polyether polyol is applied to preparation of rigid polyurethane foam, the heat conductivity coefficient of the rigid polyurethane foam can be effectively reduced, and the thermal insulation performance of the rigid polyurethane foam is improved. The invention also provides a preparation method of the pentafluorophenol modified anthranilic acid polyether polyol.

The invention discloses a preparation method of a heat-insulation reinforcing material for mine roadway guniting support. The preparation method comprises the following steps: crushing cotton straws, sieving, and drying until the mass is constant; the preparation method comprises the following steps: preparing an alkali activator solution formed by mixing NaOH and Na2SiO3; mixing and stirring slag powder and fly ash to obtain a slag-ash mixture; then carrying out solid-liquid mixing on the slag-ash mixture and an alkali activator solution, and adding 2-5% of quartz sand; after stirring, sequentially adding 20 to 28 percent of cotton straw, 0.35 to 0.45 percent of aluminum powder foaming agent and a proper amount of foam stabilizer; the water-cement ratio of the thermal insulation reinforcing material is (0.4-0.6): 1. The thermal insulation reinforcing material is used for shotcrete support of the mine laneway. According to the invention, light materials such as cotton straws are added, so that the guniting support material has better heat preservation and heat insulation effects. The cotton straw can also effectively prevent the expansion of internal cracks, and can better improve the strength and toughness of the material.

The invention belongs to the technical field of spraying, and provides intelligent refrigeration spraying equipment which comprises a base, rolling wheels are arranged at the bottom of the base, a material box is arranged in the base, a hose is arranged on the side wall of the material box, a spraying head is arranged at one end of the hose, and a motor is arranged at the top of the material box. A motor is arranged on the base, a motor is arranged on the motor, a control mechanism is arranged at one end of the motor and comprises a driver, a sensor is arranged at one end of the driver, and a fixing frame is arranged on the outer surface of the sensor. The outer portion of a hose is clamped to the outer portion of the sensor, meanwhile, a spray head is arranged at one end of the hose, and the hose is driven by a clamping rod to move; by means of cooperation of the connecting rod, the movable base and the sensor, all-directional and multi-angle flexible movement can be achieved, the more accurate and stable spraying action is achieved, it is guaranteed that the thickness of a coating is uniform, and the heat preservation and heat insulation performance is improved.

This utility model relates to the field of thick film heater technology and discloses a sealing structure for a thick film heater. In use, the external water supply pipe is first inserted into the inlet end and tightened via the connecting thread. The water supply pipe then compresses the sealing gasket, causing a telescopic spring to contract the gasket, thus separating the gasket from the sealing block. This allows water to flow into the thick film heater from the inlet end. The telescopic spring also pushes the sealing gasket against the end of the water supply pipe, improving the sealing effect and preventing water from flowing out through the gap between the water supply pipe and the inlet end. When the external water supply pipe ages and breaks and needs replacement, it can be removed. When the water supply pipe is removed, the telescopic spring causes the sealing gasket to reset, causing it to abut against the sealing block and seal the inlet end, preventing hot water from flowing out during replacement and causing injury. This improves the practicality of the sealing structure of the thick film heater.

The utility model discloses a metal roof structure with heat insulation effect, which comprises a metal roof, two ends of the metal roof are respectively integrally extended with a connecting end and a sleeving end, the surface of the connecting end is provided with a sealing gasket, and the surface of the sleeving end is respectively fixedly connected with an outer side plate and an inner side plate. A connecting lead screw is arranged between the outer side plate and the inner side plate, and a telescopic strip is arranged between the outer side plate and the inner side plate. According to the metal roof structure with the heat preservation and heat insulation effects, the connecting end is slidably connected into the sleeving end in a sleeved mode, then the connecting lead screw is locked on the inner side plate, the outer side plate is driven to extrude the sleeving end, and then the telescopic strip can automatically stretch out and draw back along with extrusion retraction of the outer side plate, so that the sleeving end and the connecting end are extruded and fastened; in addition, the strength of the metal roof can be enhanced through the reinforcing ribs, and the problem of deformation in the transportation and carrying process is avoided.

The utility model is applicable to the technical field of aerated concrete autoclave, and provides an aerated concrete autoclave which comprises an aerated concrete autoclave body, an autoclave cover and a main pressure release valve, a pressure gauge is mounted at the top end of the aerated concrete autoclave body, a temperature detection sensor is mounted on the aerated concrete autoclave body on one side of the pressure gauge, and the autoclave cover is mounted on the autoclave body on the other side of the pressure gauge. One side of the pressure gauge and one side of the temperature detection sensor are respectively provided with an air filling port, the bottom end of the aerated concrete still kettle body is provided with a water outlet, and one side of one end of the aerated concrete still kettle body is also provided with a display panel. The purpose of filtering and purifying the waste gas can be achieved through the spraying effect of the spraying assembly and the filtering and purifying effect of the filtering plate and the activated carbon plate, the situation that the waste gas pollutes the environment is effectively avoided, the filtering net can filter sprayed water, and the water is prevented from being recycled.

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.

A parapet part glass curtain wall vertical frame structure comprises a curtain wall upper vertical frame and a curtain wall lower vertical frame, a certain distance is reserved between the lower end of the curtain wall upper vertical frame and the upper end of the curtain wall lower vertical frame, heat insulation cushion blocks are installed at the lower end of the curtain wall upper vertical frame and the upper end of the curtain wall lower vertical frame, and the upper end of the curtain wall upper vertical frame extends outdoors. The whole vertical frame is segmented to form the curtain wall upper vertical frame and the curtain wall lower vertical frame, a cold bridge is disconnected, and heat is prevented from being conducted into a room along the vertical frame; cold air is prevented from entering a room along the vertical frame, the heat preservation and insulation performance of the curtain wall is improved, and indoor ultra-low energy consumption is achieved.

The invention relates to the technical field of sunshade equipment, in particular to a flexible double-property film flexible outer sunshade component which comprises a building outer wall, an electric reel structure and a guide rail module. An on-wall suspended supporting frame is installed on one side of the building outer wall, the other end of the on-wall suspended supporting frame is fixedly connected with a guide rail module, an electric reel structure is installed in the guide rail module, and a flexible film is installed below the electric reel structure. When not in use, the flexible thin film can be wound through the electric reel structure, when in use, the flexible thin film can naturally overhang through the electric reel structure, the electric reel structure can be driven to move in cooperation with the guide rail module, at the moment, the flexible thin film is driven to be subjected to position adjustment, the flexible thin film can swing along with wind, and surrounding air is promoted to flow. The heat dissipation effect is achieved; sunlight is sprayed through the yarn curtain, and the sun-shading effect is achieved.