2509results about How to "Improve insulation effect" patented technology

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.

The invention relates to the technical field, and particularly discloses a nano-modified epoxy building thermal insulation material and a preparation method thereof. The nano modified epoxy building thermal insulation material is prepared from the following raw materials in parts by mass: 80 to 120 parts of Portland cement, 20 to 40 parts of slag powder, 5 to 10 parts of hollow mesoporous silicon dioxide, 0.1 to 1 part of pyrrole, 0.1 to 0.2 part of ammonium persulfate, 5 to 10 parts of nano silicon dioxide, 10 to 15 parts of bisphenol S epoxy resin, 1 to 5 parts of acrylic acid, 1 to 2 parts of polylysine, 0.01 to 0.1 part of catalyst and 1 to 2 parts of curing agent. The concrete is prepared from the following raw materials in parts by weight: 20-30 parts of epoxy resin, 4-8 parts of loaded aerogel, 0.1-1 part of polycarboxylate superplasticizer, 1-4 parts of composite fiber and 0.2-1.25 parts of hydrogen peroxide. The fireproof building material has excellent toughness, can better resist cracking and absorb energy, effectively avoids cracking and damage under the action of thermal stress, and ensures that the building material has a fireproof effect.

The invention relates to regenerated cellulose fiber as well as a preparation method and application thereof. Comprising the following steps: dissolving a cellulose raw material in a solvent; adding a pore-forming agent, a dispersing agent and a cross-linking agent, mixing, and carrying out vacuum defoaming; spinning: enabling the stock solution trickles to sequentially pass through a first coagulating bath, a second coagulating bath and a third coagulating bath; the first coagulating bath is an acidic solution, so that a hollow structure is formed in the fiber; forming a nano-scale pore structure on the outer layer of the fiber in the second coagulating bath; the acid introduced by the first coagulating bath and the solvent introduced by the second coagulating bath are replaced by the third coagulating bath through solvent exchange, and meanwhile, the fibers are gelatinized to form a three-dimensional network structure; and drafting, drying, curling and winding the nascent cellulose fiber to obtain the regenerated cellulose fiber. The technical problem to be solved is how to enable the regenerated cellulose fiber to have a unique structure of internal hollow macropores and external nanoscale pores, and improve the thermal insulation performance, air permeability and hygroscopicity of the fiber. The mechanical property is excellent, the preparation method is simple, and the cost is low.

The invention discloses a template embedded type dam face permanent heat preservation protection module and a prefabrication and construction method. Comprising a heat preservation core layer, a facing anti-seepage protection layer is arranged on the side, close to a concrete pouring formwork, of the heat preservation core layer, an internal pressure-bearing protection layer is arranged on the side, close to dam surface layer crack limiting steel bars, of the heat preservation core layer, and a thermal broken bridge supporting keel is arranged in the heat preservation core layer; an anchoring device is arranged in the area between the internal pressure-bearing protection layer and the dam surface layer crack limiting steel bars. The modular prefabrication and construction method is adopted, the prefabrication and installation method of a single module is simple and efficient, details such as anchoring protection measures are fully considered, the engineering construction operability is high, convenience and high efficiency are achieved, and the construction time of the heat preservation layer is greatly saved.

The invention belongs to the technical field of agricultural film preparation, and particularly relates to a coating type polyolefin seven-layer co-extrusion light-conversion dustproof high-heat-preservation pesticide-resistant long-acting dripping fog dispersal greenhouse film and a preparation method thereof. The greenhouse film is composed of a first inner dustproof anti-aging layer, a second inner heat-preservation anti-aging dustproof storage layer, a third inner high-heat-preservation anti-aging layer, a middle light conversion layer, a third outer high-heat-preservation anti-aging layer, a second outer heat-preservation anti-aging layer, a first outer modified bonding anti-aging layer and a coating layer-long-acting dripping fog dispersal layer. The specification width of the greenhouse film is 10 m or above, the thickness is 0.12 mm-0. 22 mm, the light transmittance is 90% or above, the haze is 15% or below, the infrared transmittance is smaller than 18%, the annual attenuation rate of the light transmittance is smaller than 1.0% due to the dustproof function, the lasting period of the dripping fog dissipation function is 10 years or above, and the requirements of farmers for various performance indexes of the greenhouse film with the service life being 10 years or above can be completely met.

The invention discloses an existing building outer wall internal and external heat insulation energy consumption optimization method based on a building model, and belongs to the technical field of building design. In order to solve the problems of insufficient data comprehensiveness and incomplete thermal insulation scheme evaluation, the thermal insulation performance of a building can be evaluated more accurately by checking an outer wall structure on site, recording material types, damage degrees and the current situation of a thermal insulation layer and combining scientific methods such as thermal resistance testing and heat transfer coefficient measurement; digitization and visualization of building information are achieved through the BIM technology, historical energy consumption data are collected from multiple data sources and systematic arrangement and classification are carried out, the readability of the data is improved, rapid import and analysis can be conveniently carried out in energy consumption simulation software, and therefore the energy consumption condition of a building is reflected more accurately; according to the method, comprehensive coverage of multiple possibilities is achieved, the influence of different heat preservation schemes on energy consumption can be evaluated more comprehensively, differentiated design is conducted on the thickness of the heat preservation layer based on the energy consumption simulation result, and the heat preservation performance of a building is effectively improved.

The electric heating surrounding furnace comprises a furnace body, the furnace body comprises an upper cover and a lower cover, a panel is arranged above the upper cover in a covering mode, a heating furnace plate is arranged below the panel, the electric heating surrounding furnace further comprises a support, the upper portion of the upper cover is sleeved with the bottom of the support, and the support is provided with a containing hole corresponding to the heating furnace plate and used for containing a kettle. At least part of the outer ring of the containing hole of the support is provided with a supporting part used for containing food, and in the working state of the electric heating surrounding furnace, the kettle penetrates through the containing hole and is supported on the panel. According to the multifunctional electric heating surrounding furnace, the problem that the heating condition is poor due to the fact that a pot and food are heated together in an existing surrounding furnace is solved, the effects that the pot can be fully heated, and the food cannot be excessively heated are achieved, good food warming or heat preservation, tea and water boiling and the like can be achieved, and the multifunctional electric heating surrounding furnace is a multifunctional electric heating surrounding furnace.

The invention relates to a temperature regulation and control method for a sapphire crystal growing furnace, the temperature regulation and control method is applied to the sapphire crystal growing furnace, the sapphire crystal growing furnace comprises a heat preservation structure, the heat preservation structure comprises at least two heat preservation units, and the heat preservation units are annular and stacked to form a cylindrical heat preservation structure; a medium cavity is formed in each heat preservation unit and used for containing a gas heat preservation medium. The number of the circulating units is the same as that of the heat preservation units, the circulating units are in one-to-one correspondence with the heat preservation units, and the circulating units are correspondingly connected with one heat preservation unit; in the first stage of crystal growth, gas heat preservation media with the same content are injected into the medium cavities of all the heat preservation units; in the second crystal growth stage, the content of the gas heat preservation medium in the medium cavity is gradually reduced in the direction from bottom to top. The technical problem that the sapphire crystal growth quality is poor is solved, and the technical effect of improving the sapphire crystal growth quality is achieved.

The invention relates to the technical field of heat storage water tanks, in particular to a heat storage water tank with a good heat preservation effect, which comprises a water storage tank, a heat preservation structure is arranged on the inner side of the water storage tank, a heat storage structure is connected to the bottom side of the water storage tank, and a conversion structure is connected between the heat storage structure and the water storage tank. A positioning structure is connected between the water storage tank and the heat preservation structure, a supporting structure is arranged at the bottom of the water storage tank, an observation structure is arranged on the side face of the water storage tank, and a communicating hole is formed in the bottom of the water storage tank; the heat preservation capacity of warm water in the water tank can be improved through the heat preservation structure, damage to the heat collector caused by freezing can be avoided through the heat storage structure, the rotating position of the conversion pipe can be conveniently adjusted through the conversion structure, air pressure balance in the water storage tank can be guaranteed through the positioning structure, and adjustment is convenient.

The invention relates to a low-temperature liquefied natural gas spray cooling performance test system and a test method, belongs to the technical field of low-temperature fuel spray cooling, and solves the problem that a test system and a test method for taking liquefied natural gas fuel as a spray cooling material are lacked in the prior art. And the performance of the liquefied natural gas fuel as the spray cooling material cannot be accurately analyzed. The test system comprises a double-layer structure spraying chamber, a nozzle, a heat source and a data acquisition system, lNG mist sprayed by the nozzle flows in the inner space of the double-layer structure mist spraying chamber; liquid nitrogen flows in the interlayer space of the double-layer structure spraying chamber and is used for low-temperature cooling of LNG spraying. According to the test system, a double-layer heat preservation structure is adopted, and the LNG partially gasified due to storage and transportation can be cooled by using low-temperature liquid nitrogen, so that the phase change heat absorption capacity of the LNG is exerted in spray cooling. And meanwhile, the influence of the external environment on the test result can be well isolated, and the external interference is reduced.

The utility model relates to a separable portable constant-temperature vacuum cup, and belongs to the technical field of small household appliances. The heat preservation cup comprises a heat preservation cup body, a cup cover is connected to the heat preservation cup body, a base is connected to the bottom of the heat preservation cup body, and the heat preservation cup body is detachably connected with the base through a rotary buckle structure. A rechargeable power supply module, a control module and an elastically telescopic electrode contact pin are arranged in the base, the control module is respectively connected with the power supply module and the electrode contact pin, and the electrode contact pin is positioned at the top of the base; a connector capable of being electrically coupled with the electrode contact pins is arranged at the bottom of the vacuum cup body, a heating body for heating and a temperature sensor for detection are arranged in the vacuum cup body, and the heating body and the temperature sensor are electrically connected with the connector. According to the utility model, the detachable buckle structure is arranged, so that the base and the vacuum cup body are separately placed, the height of the vacuum cup is reduced, and the vacuum cup is more convenient to store and carry; and meanwhile, the charging convenience is also improved by independently moving the base.

The utility model discloses a net column multi-layer composite repairing wall block for an old outer wall, and relates to the technical field of outer wall repairing. A steel mesh is arranged on the outer side wall of the first composite cement layer, a second composite cement layer is installed on the outer side wall of the steel mesh, a heat preservation structural body is arranged on the outer side wall of the second composite cement layer, a pressure-resistant plate is arranged on the outer side wall of the heat preservation structural body, a decorative coating is arranged on the outer side wall of the pressure-resistant plate, and a waterproof layer is arranged on the outer side wall of the decorative coating. The four threaded sleeve bodies are arranged at the four corners in the first composite cement layer, the steel mesh and the second composite cement layer correspondingly, and one end of each fixed column body is installed in the corresponding threaded sleeve body; according to the utility model, the thermal insulation structural body is adopted to improve the thermal insulation property after repairing, meanwhile, the pressure-resistant plate is adopted to improve the overall strength, the decorative coating is adopted to realize decoration, and the waterproof layer is adopted to improve the waterproof property; according to the repairing wall block, the original old wall body is connected through the fixing column body, the phenomenon that the repairing wall block falls off is not prone to occurring after connection, and the stability after installation can be improved.

The invention discloses a fixing structure of a building site house easy to disassemble and assemble, and belongs to the technical field of building assembly. A fixing structure of a building site house easy to disassemble and assemble comprises two first sealing plates, the two first sealing plates are arranged in the vertical direction, the four corners of each first sealing plate are each sleeved with a fixing base, first supporting blocks are welded to the outer walls of the fixing bases, pressing plates are arranged in the fixing bases, and the first supporting blocks are welded to the outer walls of the first supporting blocks. Two sliding openings are formed in the outer wall of the fixing base, sliding blocks are slidably installed in the sliding openings, one ends of the sliding blocks are fixedly welded to the pressing plate, a second supporting block is welded to the outer wall of the fixing base, a driving block is welded between the other ends of the two sliding blocks, and the first supporting block, the second supporting block and the driving block are all located in the same vertical direction. The problems that in the prior art, due to the fact that a large number of parts such as screws are arranged during use, other tools need to be used for auxiliary installation in the assembling process, and use is not convenient enough are effectively solved.

The invention relates to a full-automatic circulating canal scalding pool for pig slaughtering, and belongs to the field of livestock slaughtering, the full-automatic circulating canal scalding pool comprises a scalding pool body, a water pump circulating pipeline, an inlet descending track, an outlet lifting track, a double-hinge strip, a supporting cross beam frame, a pig pressing device, a hook chain, a scalding pool shield and a drainage pipeline, the turning position of the scalding pool is of a semi-arc structure, turning is smoother, and cross collision is reduced; the water pump circulation pipeline enables the water pumping and draining direction to be consistent with the water flow direction, automatic circulation of water flow in the scalding pool is achieved, the water flow heating effect is improved, the heating time is shortened, meanwhile, faster reverse water flow can keep backward pulling force of a pig body on a hook, and unhooking is avoided. The novel double-hinge strip with side guiding is used, and two corner wheels are removed, so that the operation is more stable; the front end and the rear end of the scalding pool are communicated, so that water flow in the scalding pool can integrally flow circularly, the uniformity of water temperature and the heating efficiency of pig carcasses are improved, the heating time is shortened, and the freshness of meat is improved.

The utility model discloses a high-temperature calcining furnace, which relates to the field of mineral medicine calcining and comprises an electric kiln calcining furnace, one side of the electric kiln calcining furnace is provided with an inlet, the bottom end of the electric kiln calcining furnace is provided with a bottom plate, one side of the bottom plate is connected with a protruding frame, the protruding frame is provided with a track, the top end of the track is provided with a moving trolley, and the moving trolley is provided with a movable support. A base is arranged at the top end of the moving vehicle, a containing groove allowing the base to enter is formed in the inlet, inner wall grooves are formed in the three faces in the containing groove, and the six faces of the electric kiln are each of a three-layer material overlapping design and are stacked in a pyramid-like shape with the large lower portion and the small upper portion, so that on one hand, the good heat preservation effect is achieved; meanwhile, the two furnace door bases on the sliding rails are designed to be large in lower portion, small in upper portion and obvious in size difference, and cold air is effectively prevented from entering from gaps, or hot air is effectively prevented from being dissipated.

The invention relates to the technical field of building doors, and discloses a steel magnetic suspension heat-insulation bulletproof sliding door system which comprises a heat-insulation polyamide door frame and a heat-insulation polyamide door frame installed on the ground. The sliding assembly is pre-embedded in the position, between the heat insulation polyamide door frames, on the ground; the door leaf is arranged on the sliding assembly and located in the heat insulation polyamide door frame; the sliding assembly comprises a water collecting tank body, two lower sliding tank bodies and a permanent magnet magnetic stainless steel rail, under the condition that no electric energy is used, when the door leaf needs to be moved, the door leaf is pushed to move through the handle controller, the door leaf drives the magnetic suspension movement device to move on the outer side of the permanent magnet magnetic stainless steel rail through the connecting beam, and the magnetic suspension movement device moves on the outer side of the permanent magnet magnetic stainless steel rail; the door leaf gets rid of the weight of the door leaf, the door leaf floats in the air and slides without friction, the door leaf is opened and closed in a more labor-saving mode, a user can push the door body to move with small force, and the door is convenient to use and practical.

The anti-freezing and anti-blocking heat-preservation pigging and watering combined wellhead device comprises an oil inlet pipe, the top of the oil inlet pipe penetrates through a placing base and is connected with the lower end of the middle of a U-shaped pipe, the two ends of the U-shaped pipe are connected with the two sides of the lower end of a quantitative box, and a liquid drainage pipe is installed in the middle of the rear side of the quantitative box; a watering mechanism and an electric control device are installed at the upper end of the placing base and located on the two sides of the protection box correspondingly, the watering mechanism is connected with an oil inlet pipe, and meanwhile a cleaning mechanism is arranged in the oil inlet pipe. According to the anti-freezing and anti-blocking heat-preservation pigging and watering combined wellhead device, the first driving motor drives the rotating shaft, the threaded barrel and the scraper to rotate, the scraper scrapes the interior of the oil inlet pipe, thick oil in the oil inlet pipe is fully mixed and diluted with hot water, and the later oil extraction efficiency is improved; the diluted oil is filtered through the filter plate, impurities are prevented from entering the pipeline to cause blockage, the filter plate is cleaned through the cleaning brush, filter holes are prevented from being blocked, and the use practicability is improved.

The invention discloses a fabricated thermal insulation composite external wall panel, a preparation device and a preparation method thereof, and belongs to the technical field of composite wall panels. The fabricated thermal insulation composite external wall panel comprises a thermal insulation board, a reinforcing mesh is arranged outside the thermal insulation board and comprises a bottom mesh, a top mesh and a side mesh, the bottom mesh is located below the thermal insulation board, the top mesh is located above the thermal insulation board, the top mesh and the bottom mesh are fixedly connected through the side mesh, and the thermal insulation board is located in the reinforcing mesh defined by the bottom mesh, the side mesh and the top mesh; and a mortar layer is arranged outside the reinforcing mesh, convex blocks are arranged on one side of the mortar layer in the length direction and the width direction of the wallboard, and grooves matched with the convex blocks are formed in the other side of the mortar layer. By the adoption of the assembly type heat preservation composite external wall panel, the preparation device and the preparation method, the problems that an existing heat preservation composite external wall panel is heavy in weight, and a heat preservation layer is prone to damage can be solved, and the forming effect and the structural stability of the wall panel are improved through the preparation device and the preparation method.

The invention discloses a position-adjustable external heat preservation structure for a steel structure building, and relates to the technical field of buildings, the position-adjustable external heat preservation structure comprises a fixed panel, vertical fixed plates are arranged on the left side and the right side of the fixed panel, and transverse fixed plates are arranged on the upper side and the lower side of the fixed panel; and a left heat insulation plate and a right heat insulation plate are arranged on the inner side of the fixed panel. According to the position-adjustable external heat preservation structure for the steel structure building, the external heat preservation structure is divided into the fixed panel, the vertical fixed plate, the transverse fixed plate, the left heat preservation plate and the right heat preservation plate, and the fixed panel, the vertical fixed plate and the transverse fixed plate are fixedly connected through bolts; and meanwhile, the left heat preservation plate and the right heat preservation plate are fixedly assembled with the vertical fixing plate and the transverse fixing plate through the butt-joint effect between the butt-joint protruding blocks and the butt-joint grooves, so that the whole externally-hung heat preservation structure is assembled, the whole externally-hung heat preservation structure is fragmented, and the externally-hung heat preservation structure is conveniently conveyed.

The invention discloses a composite metal roof system and a construction method thereof. The construction method comprises the following steps that firstly, a roof truss supporting structure is constructed, wherein the roof truss supporting structure is welded to the top of a main body structure; and secondly, a main purline, a secondary purline, a bottom plate layer, a sound absorption layer, a supporting layer, a vapor barrier layer, a heat preservation layer and a waterproof layer are sequentially constructed on the top of the roof truss supporting structure and located around the daylighting roof structure to be constructed, an inner connecting keel is arranged on the inner side of the heat preservation layer in the annular direction, and an outer connecting keel is arranged on the outer side of the heat preservation layer in the annular direction. And thirdly, skylight keels are constructed. And 4, constructing an inner drainage ditch, an outer drainage ditch and a radial drainage ditch. And 5, constructing a fixed glass window and an openable glass window. And 6, the waterproof layer and the facing layer are sequentially constructed until the construction is finished. The technical problems that a traditional steel truss roof structure is complex in construction process, leakage risks exist, and heat preservation and sound insulation performance is poor are solved.

The invention relates to the technical field of heat insulation materials, in particular to a ceramic aerogel coating and a preparation method thereof.The ceramic aerogel coating comprises a ceramic anti-corrosion bottom layer, a middle coating and a transparent surface layer, and the preparation method of the ceramic aerogel coating comprises the steps that firstly, sand blasting treatment is conducted on a metal base material; step II, spraying a ceramic anti-corrosion primer, and drying; iII, preparing a floating coat base material; iV, spraying a floating coat base material, and sealing and baking; v, spraying a floating coat fabric, and sealing and baking; step VI, polishing the coating; step VII, spraying transparent finish paint after polishing, and sealing and drying; and step VIII, after unified inspection is completed, finish paint is sprayed, sealing baking is conducted for thorough drying, and then the ceramic aerogel coating is obtained, the prepared ceramic aerogel coating is good in adhesiveness, excellent in acid and alkali resistance, not prone to cracking and peeling, capable of protecting metal for a long time, low in heat conductivity coefficient and high in hardness, and the problems that an existing aerogel coating is high in brittleness, weather resistance and hardness and not prone to cracking and peeling are solved. And the mechanical performance is low.

A split combined type multi-layer heat insulation assembly fixing device comprises a pin column head which is in a long cylinder shape and used for penetrating through a multi-layer heat insulation assembly, pressing piece clamping grooves for pressing pieces to be embedded are distributed in the surface of the pin column head from top to bottom at equal intervals, and a column head-base connector is arranged at the bottom of the pin column head; the pressing sheets are circular and are provided with opening grooves extending from the circle point to the circumference, the opening grooves can be inserted into the pressing sheet clamping grooves so that the pressing sheets can be fixed to the pin column head, and a plurality of layers of heat insulation assemblies are arranged between every two pressing sheets; the pin base is fixed to the surface of the spacecraft, provided with a base-column head connector and used for being connected with the column head-base connector in a matched mode so that the pin column head can be fixed to the pin base. According to the invention, random combination can be carried out in an inserting and buckling butt joint mode, the state can be flexibly changed by changing the combination mode of the pin base and the column head, a large amount of processing time and cost are saved, and the use efficiency of the product is improved.

The invention belongs to the technical field of crystallizer casting powder, and provides crystallizer casting powder for medium carbon steel and a preparation method of the crystallizer casting powder. The crystallizer casting powder comprises the following raw materials: 20-40 parts of wollastonite, 20-40 parts of magnesium slag, 2-6 parts of quartz, 1-5 parts of bentonite, 2-6 parts of flint clay, 3-10 parts of fluorite, 1-3 parts of sodium carbonate, 1-2 parts of manganese carbonate, 3-7 parts of boron glass powder, 2-4 parts of magnesia powder, 6-10 parts of a carbon material and 2-4 parts of a modified binder. The crystallizer casting powder disclosed by the invention is reasonable in proportion of chemical components, has proper melting speed and viscosity, effectively ensures the thickness of a liquid slag layer, and can be uniformly consumed, so that the continuous casting process is ensured to be carried out smoothly, and the quality defects of corner cracks, narrow edge bulging, corner transverse cracks and the like of a medium carbon steel casting blank are avoided.

The invention relates to the technical field of thermal insulation coatings, and discloses a preparation process of a nanopore aerogel thermal insulation coating, which comprises the following steps: S1, preparing materials: 10-15 parts of modified silicon dioxide aerogel, 2-8 parts of deionized water, 3-6 parts of absolute ethyl alcohol, 8-12 parts of a catalyst, 5-7 parts of an n-hexane solvent, 2-6 parts of a dispersing agent and 2-4 parts of a defoaming agent. According to the preparation method, structural collapse of the silicon dioxide aerogel in the application process can be avoided, the heat insulation and heat preservation performance and mechanical performance of the aerogel heat insulation and heat preservation coating are remarkably improved, the heat insulation and heat preservation performance and mechanical performance of the aerogel heat insulation and heat preservation coating can be further improved, and the adhesion capacity of the coating is further improved.

The invention discloses semiconductor processing equipment, which comprises a shell, a base for supporting the shell, a reaction cavity and a wafer bearing structure arranged in the reaction cavity, and is characterized in that the reaction cavity comprises a reaction cavity body I and a reaction cavity body II; the shell is provided with a material taking and placing port corresponding to the wafer bearing structure. The equipment further comprises a position adjusting structure acting on the reaction cavity II, and the position adjusting structure enables the reaction cavity II to do vertical movement in the shell relative to the reaction cavity I. According to the invention, a split design is adopted in the structure, vertical separation can be carried out, the equipment space is compact, the thermal insulation effect is better due to the inner and outer double-layer design, in addition, independent supporting measures do not need to be arranged on the wafer bearing structure, the space is effectively utilized, the heating function is also achieved, and the function integration degree is good.

The utility model provides a cart type heat preservation box, which relates to the technical field of heat preservation boxes and comprises a heat preservation box body, a box cover is movably mounted at the top of the heat preservation box body, a heat preservation plate is arranged at the bottom of the box cover, a heat preservation sleeve is arranged in the heat preservation box body, and shock absorption damping springs are arranged at four corners of the bottom of the heat preservation box body. The damping springs are matched with the buffering damping columns to be supported at the four corners of the bottom of the heat preservation box body, the buffering and damping functions are provided, meanwhile, the lateral elastic pieces are installed on the outer frame body, the lateral supporting effect can be achieved, the ends of the lateral elastic pieces are connected to the inner sides of the sliding rails in a sliding mode through the sliding blocks, and the sliding blocks are not prone to falling off. The sliding lifting adjustment can be provided, so that the functions of lateral buffering and limiting can be guaranteed while damping is provided, vibration of internal objects in the moving process is reduced, the stability in the moving process is improved, and the objects in the box body can be guaranteed conveniently.

The invention discloses a composite heat preservation floor, and particularly relates to the technical field of composite floors, the composite heat preservation floor comprises a basic reinforcing layer, a high-heat-conduction composite layer, a heat conduction liquid pipe and a heat conduction reinforcing layer, and a solid wood layer is arranged on the upper end face of the basic reinforcing layer; the efficient heat conduction network is formed through tight combination of the heat conduction enhancement layer and the metal copper wire net, and heat generated by floor heating can be rapidly and evenly dispersed to all areas of the heat conduction enhancement layer through the grid structure of the metal copper wire net; due to the uniform heat distribution, the temperature gradient formed by heat in the heat conduction enhancement layer is greatly reduced, the loss and retention of the heat in the conduction process are reduced, the heat is effectively reserved in the indoor space, a large amount of heat energy can be stored when floor heating heat is absorbed through the heat conduction liquid pipe, and after the indoor temperature reaches a set value, the heat conduction liquid pipe is closed. Even if heat supply of floor heating fluctuates or pauses, heat stored in the heat conduction oil can be slowly released, and indoor heat can be kept in the space for a longer time.

The utility model provides a solar heat collection plate and a heat storage temperature adjusting greenhouse, and relates to the technical field of greenhouses, the solar heat collection plate comprises a plurality of heat collection plate units which are adjacently arranged, the heat collection plate units are obliquely arranged at the front end of a temperature adjusting water wall, each heat collection plate unit comprises a back heat insulation pad, and a water collection heating cavity is formed in each back heat insulation pad; the water collecting and heating cavity is of a cavity structure with the two ends open, water collecting grooves are formed in the two ends of the water collecting and heating cavity, and the water collecting grooves are connected to the two sides of the water collecting and heating cavity in a sealed mode. A first water outlet pipe is arranged in the upper space of the heat collecting plate unit, a first water return pipe is arranged in the lower space of the heat collecting plate unit, the first water return pipe is communicated with the second water outlet pipe, and the first water outlet pipe is communicated with the second water return pipe. The greenhouse has the advantages that the utilization rate of the solar heat collection plate is increased, multiple heat storage modes are achieved, and when the temperature in the greenhouse is low, energy consumption is reduced by increasing the temperature of the greenhouse.

The invention relates to the technical field of aerogel heat preservation yarns, and discloses an aerogel heat preservation yarn and a preparation method and application thereof. The preparation method comprises the following steps: preparing a polymer spinning solution and a silicon dioxide aerogel dispersion solution; carrying out electrostatic spinning on the polymer spinning solution to obtain a nanofiber membrane, and cutting the nanofiber membrane into nanofiber bands; the preparation method comprises the following steps: uniformly coating a nanofiber band with a silicon dioxide aerogel dispersion liquid, and twisting to obtain prefabricated aerogel yarns; the prefabricated aerogel yarn is subjected to annealing treatment, and the aerogel heat preservation yarn is obtained. According to the preparation method, the two-step process of spinning and drying is effectively avoided, continuous forming preparation is successfully achieved, the preparation process is simple, and the large-scale preparation prospect is good. The aerogel heat preservation yarn is internally provided with a spiral structure, so that the aerogel heat preservation yarn has excellent tensile strength; and by virtue of high-load silicon dioxide aerogel particles in the composite material, the composite material has low density, high porosity and excellent heat insulation performance.

The invention discloses a thermal insulation exterior wall coating and a preparation process thereof. The thermal insulation exterior wall coating comprises the following components: composite aerogel powder, a composite flame retardant, a thickening agent, a dispersing agent, a wetting agent, a coupling agent, a cosolvent, a pH regulator, a defoaming agent, titanium dioxide, vermiculite, heavy calcium carbonate, a coalescing agent, a water-based pure acrylic emulsion, a flatting agent, hollow glass beads and deionized water. The prepared thermal insulation exterior wall coating is low in heat conductivity coefficient, good in thermal insulation performance and good in flame retardant capacity, the heat transfer capacity of the silicon dioxide aerogel is reduced through the synergistic effect generated through compounding of the silicon dioxide aerogel and the composite filler powder, and therefore the thermal insulation performance of the silicon dioxide aerogel is improved; and titanium dioxide in the composite filler powder can shield infrared light, so that the heat insulation capability of the heat-insulation exterior wall coating is improved, and the heat insulation performance of the heat-insulation exterior wall coating is further improved.