61results about How to "Improve thermal insulation effect" patented technology

A sash for windows and doors equipped with an anti-dewing hot wire is provided. A double-layered glass, which is included an indoor sheet of glass and an outdoor sheet of glass spaced from each other by a spacer and filled with a desiccant material is fixedly installed on a sash frame. The frame, which is formed with a hollow tube with a reception groove in one surface and the double-layered glass sealed with sealant, comprises the hot wire, for generating heat by means of supplied power, attached along an edge of an inner surface of the indoor sheet of glass, a through hole for passing an electric wire electrically connected to the hot wire, formed through a designated portion of the spacer located on the lower portions of the indoor and outdoor sheets of glass of the double-layered glass, and a controller, which is connected to the electric wire for controlling the output of a power supply unit for supplying a driving voltage to the hot wire according to a user's manipulation signal, located in the hollow of a lower frame member of the sash frame. The sash effectively prevents the edge and inner surface of the indoor sheet of glass from dewing, and improves thermal insulation effects.

This invention relates to a composite wall with thermal insulating and heat-proof function, in addition to its masonry method. The character of the wall comprises: 1, it is combined by course of headers and stretcher course whose size and shape are totally different; 2, adding thermal insulating material between header course and stretcher course; 3, the header course and stretcher course are crisscross and vertical stack, which can avoid the straight-line joint from cross section or bisect; 4, the thermal conductivity factor of the composite wall is 0.48 / m2k, which can save energy 55% compared with the non-composite wall with the same thickness. (In accompanying diagram: A is stretcher course, B is header course, the margin part or shade part is thermal insulating material, unit is mm, ash steam is 10mm).

A composite thermal insulation member of building is provided. It relates to the composite thermal insulation member of the building, especially the composite thermal insulation wall body and the composite roof aimed to solve the problem of high cost of the existing energy-saving wall body and the inconvenience of construction, the first structure is the core layer bonded inside the frame with the outer protecting layer provided on the surface of the core layer and the alkali-resistant netting fabric bonded to the outer protecting layer and the load-carrying component, the second structure is the core layer provided between the indoor and outdoor outer protecting layers and bonded each other, also the steel hoop fixed with the steel bars inside the indoor and outdoor outer protecting layers, the third structure is the outer protecting layer provided on two sides of the core layer and its upper side and bonded to it, also the core layer and the steel bars arranged inside the outer protecting layer as well as the outer protecting layer wrapped and surrounded by the alkali-resistant netting fabric, the fourth structure is the composite pillar anchored to the main structure and the core layer bonded to the main structure and the light composite pillar with the composite girder supported on the composite pillar and the plastered outer protecting layer on the composite pillar, composite girder and the outer side of the core layer, the fifth structure is the core layer provided between the upper and lower outer protecting layers with the lower outer protecting layer fixed to the girder or wall of the main structure, the invention has the advantages of low cost, convenience of construction etc. which is beneficial to the energy-saving of the construction and the reform of the wall body.

The invention belongs to the technical field of building thermal insulating and energy saving decoration integration materials. A thermal insulating coating integrated composite plate is characterized in that an acrylic emulsion, a silicone acrylic emulsion, silicon dioxide gel, aerogel, hollow glass microspheres, polypropylene fibers and hydroxyethyl cellulose (HEC) are adopted for preparing mucilage, the mucilage is smeared onto an alkali-resisting glass fiber net, and a thermal insulating coating layer is prepared; and a thermal insulating coating material prepared from an acrylic emulsion, a silicone acrylic emulsion, thermal insulation pigments, protection glue, aerogel, hollow glass microspheres and a multifunctional additive is sprayed to the thermal insulating coating layer, a thermal insulating coating material layer is prepared, and the thermal insulating coating integrated composite plate is obtained. The thermal insulating coating integrated composite plate has the effects of ultra low heat conduction coefficient, good thermal insulating performance, good flexibility, good decoration effect, durability, contamination resistance, high combustion level, high tensile strength, and safe, convenient and fast construction.

The invention relates to the technical field of new materials and especially relates to a high-effective filter layer body for a dust mask, wherein the filter layer body includes the following structures arranged successively from exterior to interior: a nonwoven outer layer; an aloe mannan porous membrane layer; a composite filter layer; an aloe mannan nanoporous inner membrane layer; and a pure-cotton gauze inner layer. The composite filter layer is formed by blend-weaving main yarn and sub-yarn, wherein modified coffee charcoal / polycarbonate composite coffee charcoal fibers are subjected totreatment with a copper salt treating agent, and treatment with a functional negative oxygen ion additive solution to obtain the composite coffee charcoal fibers as the main yarn, and allyl hydantoinnanofibers are the sub-yarn. In the application, the filter layer body is high-effective in dust removal, and has beneficial electromagnetic effects of irradiating far-infrared ray, shielding electromagnetic wave, eliminating static electricity, preventing ultraviolet ray and the like, and can be applied to special application fields such as high-altitude cold regions, large electromagnetic radiation places, etc.

The invention discloses a heat preservation, heat insulation and elastic grout joint filling. The grout joint filling comprises the following components in weight portion: 20 to 40 portions of vitrified micro bubble, 20 to 40 portions of acrylic ester synthetic resin, 20 to 30 portions of polypropylene short fiber and 5 to 10 portions of mica powder. The coefficient of heat conductivity(W / (mk)) of the grout joint filling is less than or equal to 0.07, and the elastic stretch modulus(MPa(23 DEG C,,20 DEG C below zero)) is more than 0.4 or more than 0.6, so that the grout joint filling has the advantages that besides the characteristics of endurance, water resistance, pressure resistance and the like which are possessed by the common ceramic wall floor tile grout joint filling, the grout joint filling of the invention also has the effects of heat preservation and heat insulation, and the functions of a certain elastic stretch modulus, fire resistance and sound insulation.

The invention relates to a heat-preservation device of a gluing unit photoresist pipeline in the production of semiconductors, in particular to a heat-preservation device of a photoresist pipeline casing pipe. The outer face of a photoresist pipe is provided with a double-layer casing pipe structure, the inner layer of the double-layer casing pipe structure is a water inlet pipeline, the outer layer of the double-layer casing pipe structure is a water outlet pipeline, and a self-closed circulation constant-temperature pipeline is formed. One end of the photoresist pipe is connected with a photoresist nozzle, and the other end of the photoresist pipe is connected with an external supply pipeline. The heat-preservation device of the photoresist pipeline casing pipe is good in heat-preservation effect, and capable of saving space and improving production quality and production efficiency.

The invention discloses fire-protection powder coating used for steel structure workpieces and a method for producing the same, belonging to the technical field of building coating. The fire-protection powder coating of a steel structure is produced from polyester resin, epoxy resin, solidifying agent, ammonium polyphosphate (II), melamine, pentaerythritol, melamine pyrophosphate, flatting agent, degasifying agent, flowable agent, pigment, filler and titanate coupling agent. The fire-protection powder coating of a steel structure has the advantage of good intumescent and heat-insulating effect, thereby being applicable to various steel structure workpieces.

The invention relates to a thermal shell fabric and a preparation method thereof. The thermal shell fabric comprises a woven layer and a surface layer, wherein the surface layer is arranged at the outer edge of the woven layer. At least one accommodating cavity is formed in the woven layer, and the accommodating cavity is filled with aerogel particles. The preparation method of the thermal shell fabric comprises the following steps: weaving the woven layer; compounding the surface layer; grouting the aerogel particles; collecting through holes in a closed manner and the like. A heat-isolatinginsulative layer provided with pure aerogel particles in the shell fabric is achieved by matching the woven layer and the surface layer while special grid structures of the aerogel particles are filled with a lot of relatively fixed air, so that the thermal shell fabric has an excellent thermal property. The thermal garments, protective clothing, outdoor articles and the like prepared by the thermal shell fabric are lighter, thinner and more excellent in thermal and heat-isolating properties.

The invention relates to a composite inorganic fireproof board and a preparation method for the same. The composite inorganic fireproof board comprises a heat-insulation core layer and strength structural layers composited on two surfaces of the heat-insulation core layer respectively, wherein the heat-insulation core layer utilizes inorganic adhesives as gelatinizing agents and heat-insulation materials as fillers and is of a layered structure formed by means of gelatineous allocation and pressing, and each strength structural layer utilizes inorganic adhesives as gelatinizing agents and is of a layered structure formed by means of mixed gelatineous allocation and pressing. The composite inorganic fireproof board has outstanding substantive characteristics, and utilizes the inorganic adhesives as the gelatinizing agents to be mixed with the heat-insulation materials, and / or light materials and reinforcing fibers so that a board of a multi-layer composite layer is formed, the core layer has the advantages of light weight and fine heat-insulation and fireproof effects, and the strength structural layers on two surfaces of the heat-insulation core layer has the advantages of bending resistance and high compression strength. Besides, the composite inorganic fireproof board is simple in preparation process, suitable for batch production and integrates high efficiency and high quality.

The invention relates to a cold area garage-type dry biogas fermentation system and a working method thereof, and belongs to the technical field of resource utilization of organic solid waste. The cold area garage-type dry biogas fermentation system comprises a fermentation tank, a solar warming system, a biogas slurry spraying system, a biogas purification storage system and an aerating system. According to the cold area garage-type dry biogas fermentation system and the working method thereof which are provided by the invention, a sun board greenhouse is adopted, so that sunlight can be guaranteed to permeate into the greenhouse as much as possible, is irradiated to a black flexible membrane, but cannot enable the flexible membrane to be exposed in the atmosphere to cause heat loss, and thus, excellent warming and heat preservation effects can be achieved; heat energy of a solar heat collection system can be accumulated in daytime in a heat storage and heat exchange water tank arranged in the tank bottom; when an environmental temperature is relatively low at night, the accumulated heat energy is transferred to materials, so that the heat energy not only can be used for ensuring the temperature of the materials in the fermentation tank, but also can heat a water tank internal aerator pipe passing through the solar warming system; the aerating system can well utilize biogas generated by a reactor to dredge a material pile so as to improve a heat transfer rate.

The invention provides double-layer vacuum LED (light-emitting diode) glass and a preparation method thereof. The double-layer vacuum LED glass comprises a glass layer which comprises a first glass layer, a second glass layer and a third glass layer which are superposed from top to bottom, a lined adhesive layer arranged between the first glass layer and the second glass layer, an infrared reflection layer arranged on the lower surface of the second glass layer, a conductive layer which is arranged on the upper surface of the third glass layer and etched with a circuit slot, an LED lamp adhered onto the circuit slot through a conductive silver adhesive, a protection layer coated on the conductive layer, a sealing layer coated at the periphery of the glass layer, a protective layer coated on the outer side of the sealing layer, and a group of supports arranged between the protective layer and the infrared reflection layer. The double-layer vacuum LED glass effectively combines the characteristics of LED glass and vacuum glass, fully develops the advantage of the LED glass, and retains and enhances the heat insulation characteristic of the vacuum glass.

The invention relates to the field of concrete, in particular to modified aggregate, a preparation method thereof and concrete applying the modified aggregate. The modified aggregate comprises aggregate and an ionic liquid-like phase change energy storage modifier, and the ionic liquid-like phase change energy storage modifier is located in pores in the surface of the aggregate; and the ionic liquid-like phase change energy storage modifier comprises an ionic liquid-like material with a phase change temperature range of 20-38 DEG C. The preparation method comprises the following steps: dipping: dipping the aggregate in a liquid ionic liquid-like phase change energy storage modifier to enable the ionic liquid-like phase change energy storage modifier to enter gaps of the aggregate, taking out the aggregate, and cooling the aggregate to a saturated surface dry state; slurry wrapping: wrapping the surface of the aggregate in the saturated surface dry state with cement-based slurry, forming a layer of shell, and preparing the modified aggregate. Concrete prepared from the modified aggregate has good heat preservation and energy storage effects, and a concrete product prepared from the modified aggregate has good strength.

The invention relates to a methane production device without energy consumption suitable for a cold region in winter and belongs to the field of environmental protection and renewable energy sources. A reactor is designed into a vacuum sandwich structure and can reduce heat loss; a heat storage water tank is arranged on the lower part of the reactor and has an effective energy storage function; asolar heat collecting pipe is arranged at the bottom of the reactor, heat is directly transferred without adopting pump circulation, and energy-saving and warming effect is good; an emergence electric heater is arranged in the water tank and can compensate warming in cloudy day; a single blade is spirally propelled into a stirrer, the driving is convenient and labor-saving and the stirring effectis good; and a turning hopper is driven by a steel rope to feed, so that the feeding is convenient. The whole set of device has a good effect of warming and keeping warm, has convenience in operation, consumes no additional energy source, is high in methane yield, and can ensure the normal use in the cold region in winter.

The invention discloses a composite fiber material for a multifunctional decorative material and a preparation method of the composite fiber material. The composite fiber material for the multifunctional decorative material is prepared from, by weight: 18-24 parts of biomass high-strength fibers, 20-26 parts of an adhesive, 39-46 parts of an aerogel composite special fiber material and 10-17 partsof a light reinforcing material. According to the composite fiber material for the multifunctional decorative material, the aerogel is combined with the special fiber with the nano-pore structure, sothat the thermal insulation effect of the obtained composite fiber material is improved, and the composite fiber material has the characteristics of light weight, higher compression resistance and higher tensile strength. Besides, due to the application of the adhesive, the biomass high-strength fibers and the light reinforcing material, the strength of the composite fiber material is further improved, it is guaranteed that the density of the composite fiber material is still small, and the waterproof, fireproof and soundproof effects are achieved accidentally. According to the composite fiber material for the multifunctional decorative material and the preparation method of the composite fiber material, the production cost is low, the used raw materials are safe and easy to obtain, biomass resources are utilized, and environmental protection and economical efficiency of the preparation process are achieved.

The invention discloses hollow heat gathering glass. The hollow heat gathering glass comprises a first glass layer and a second glass layer spaced from the first glass layer. Sealing fixing pieces are arranged around the first glass layer and the second glass layer, and by means of the sealing fixing pieces, a sealed cavity is formed between the first glass layer and the second glass layer. The first glass layer comprises first tempered glass and first heat gathering glass. The second glass layer comprises second tempered glass and second heat gathering glass. A plurality of triangular cavities are evenly formed in the first tempered glass. A plurality of first hollow structures are evenly arranged on the first heat gathering glass. Crossed cavities are formed in the second tempered glass, and second hollow structures are evenly arranged on the second heat gathering glass. The sealed cavity is filled with dry gas or is in a vacuum state. The hollow heat gathering glass is simple in structure and light, particularly can improve the solar utilization efficiency, has good heat gathering and heat preservation effects for the indoor space and meets the actual use demands.

The invention discloses an antibacterial putty powder with long service life. The antibacterial putty powder is prepared from the following raw materials in parts by weight: white cement, redispersible latex powder, carboxymethyl cellulose, modified starch ether, a talcum powder, an ash calcium powder, a negative ion powder, a far-infrared ceramic powder, a bamboo charcoal powder, a titanate coupling agent, a silvery white vermiculite powder, paraffin wax, a ground calcium carbonate powder, kaolin and glass fiber. The invention also discloses a preparation method of the antibacterial putty powder with long service life. The antibacterial putty powder has the advantages that the raw materials are environment-friendly, the preparation technology is simple, the construction and grinding are easy, and the adhering strength is high; the heat insulation and isolation effects are realized, the water-resistant property and adhering property are realized, the uniformity is good in the drying process, and the flatness is good; the excellent health-care and anti-corrosive properties are realized; the antibacterial putty powder is a functional putty powder product, and has good market prospect.

The invention relates to the technical field of glass deep-processing, and particularly relates to energy-saving vacuum tempering glass and a manufacturing technology of the energy-saving vacuum tempering glass. The energy-saving vacuum tempering glass comprises glass; a vacuum layer A is arranged between the front glass and the back glass; the end surfaces of the front glass and the back glass are inwards sequentially provided with flexible protective glue, low-temperature glass powder, high-temperature vacuum glass cement, vacuum mud and a protective layers; supporting balls are arranged in the vacuum layer A; the inner surfaces of the front glass and the back glass are provided with at least one layer of electric resistance wires; plastic cement protective strips and vacuumizing nozzles are arranged on the end surfaces of the front glass and the back glass; and the inner layer of the front glass is composited with a transparent anti-explosion film. The energy-saving vacuum tempering glass can be locally heated and has the obvious effect of being firm, breakage-proof, energy-saving and free of frosting. The energy-saving vacuum tempering glass has good vacuum sealing effect, excellent heat preservation and insulation effects and strong practicability and is low in cost. The energy-saving vacuum tempering glass is widely applied to fields such as houses, factories, protective cabinets, refrigerating chambers, automobiles, trains and greenhouses and has good market application prospect.

The invention discloses a built-in internal thermal insulation wall which comprises an original wall body; a thermal insulation layer is arranged on the outer surface of the original wall body; the thermal insulation layer comprises thermal insulation rock wool and vertically-arranged thermal insulation strips; the thermal insulation strips are evenly arranged on the outer surface of the originalwall body at intervals; gaps between the thermal insulation strips are evenly filled with the thermal insulation rock wool; a plurality of veneers are further arranged on the outer surface of the thermal insulation layer; strip-shaped grooves are formed in the two sides of each veneer in the length direction; an I-shaped part is embedded between every two adjacent strip-shaped grooves; every two adjacent veneers are detachably connected through the corresponding I-shaped part; and the I-shaped parts are detachably connected with the thermal insulation strips through keel structures. Accordingto the built-in internal thermal insulation wall provided, the problem of wall surface thermal insulation is solved through the mode of combining a wall surface stone-plastic keel and the thermal insulation rock wool, and the sound insulation effect of the wall body can be effectively achieved. A keel pattern is changed, and the solid wall surface is thickened, so that a higher sound insulation effect can be achieved.

The invention provides a heat preserving and insulating coating material, prepared from the following components in parts by weight: 16-24 parts of styrene-acrylic emulsion, 20-25 parts of lime powder, 5-8 parts of sodium polycarboxylate, 6-9 parts of thickener, 2-4 parts of barium sulfate, 10-12 parts of borax, 10-15 parts of yttrium oxide and 5-8 parts of propylene glycol. The heat preserving and insulating coating material is good in levelling property, can be brushed on an inner wall or an outer wall of a house by using a brush, and also can be sprayed on the inner wall of outer wall of the house in a spraying way; the added yttrium oxide in the coating material can improve a heat preserving and insulating function of a paint film, so that the house has a better heat preserving and insulating effect, and further environment protection and energy saving are realized.

The invention relates to the field of heat-insulated paint, and mainly aims at solving the problems that the existing heat-insulated paint is narrow in application range, undesirable in heat insulating effect and the like. JRH multifunctional ceramic nano particle heat-insulated liquid paint is prepared from the following components in parts by mass: 10 to 15 parts of water-soluble volcanic ore crystal powder, 20 to 25 parts of water-soluble nano ceramic ore powder, 3 to 5 parts of water-soluble liquid binder, 1 to 5 parts of water-soluble flatting agent, 3 to 8 parts of water-soluble wetting agent, 5 to 10 parts of water-soluble dispersing agent, 1 to 10 parts of water-soluble thickening agent, 0.5 to 3 parts of preservative, 1 to 2 parts of stabilizer, 5 to 8 parts of water-based whitening agent, 50 parts of distilled water, and 1 to 6 parts of decontamination agent. The JRH multifunctional ceramic nano particle heat-insulated liquid paint has the advantages of wide application range and good heat-insulating and heat-preserving effect.

Provided is an indoor ventilation system which can ventilate an indoor space even without opening a glazed window. A ventilation window includes an opening which is formed through a glass plate thereof and can be opened or blocked. In the system, only a space corresponding to the opening is open to the outside so as to ventilate an indoor space without a glazed window, an open area of the opening is narrow so as to be secure against outside invasion and a falling accident, and a perimeter of a frame is short so as to minimize energy loss.

The invention discloses an intelligent sensing photoelectric composite cable, a conductor shielding layer, an insulating layer and an insulating shielding layer are arranged outside a cable core, andat least one communication optical fiber is inserted between metal wires of a metal wire shielding layer in a shielding structure; and an isolation sleeve is arranged on the shielding structure, a steel wire armor layer is arranged on the periphery of the isolation sleeve, and at least one temperature measuring optical fiber is arranged between steel wires of the steel wire armor layer in an inserted mode. The temperature measurement optical fiber comprises a temperature measurement fiber core, a temperature measurement cladding and a heat conduction layer, and heat conduction filling paste isloaded between the heat conduction layer and the metal outer pipe; the heat conduction filling paste comprises the following components in percentage by weight: 18%-20% of a gelatinizing agent, 3%-5% of an oil separation inhibitor, 1%-2% of an antioxidant, 2%-2.5% of a water absorbent, 0.0015%-0.002% of a defoaming agent and the balance of heat conduction oil. The cable can realize real-time intelligent monitoring of the power load operation condition of the cable, ensures synchronization of power supply, communication and online monitoring, and has the advantages of reasonable structure andreliable use.

The invention discloses a thermally conductive and insulating corrosion-resisting modified plastic. The modified plastic comprises the following components in parts by weight: 30-60 parts of chlorinated polyethylene, 5-15 parts of polytetrafluoroethylene, 10-25 parts of polypropylene, 2-5 parts of maleic anhydride grafted polyethylene, 1-3 parts of zine stearate, 0.1-1 part of liquid paraffin, 1-5 parts of a silane coupling agent, 1-4 parts of nano silica, 3-12 parts of heat-conduction aluminium oxide powder, 1-2 parts of nano zinc oxide, and 0.01-0.5 parts of an anti-oxidant PS802. The produced plastic has good heat-conduction insulating function; the added maleic anhydride grafted polyethylene promotes compatibility of a plastic substrate, and the stretch-proofing performance, corrosion resisting performance, uv-shielding capacity and service life of the plastic product are increased.

The invention discloses temperature adjustment glass which comprises an upper glass plate and a lower glass plate same in area, wherein a vacuum cavity is formed between the upper glass plate and the lower glass plate after the peripheries of the upper glass plate and the lower glass plate are sealed with epoxy resin glue; an optical glass layer is adhered to a part, positioned in the vacuum cavity, of the lower surface of the upper glass plate; tiny crystal particles of silver halide and copper oxide are contained in the optical glass layer; meanwhile, a liquid crystal layer is adhered to a part, positioned in the vacuum cavity, of the upper surface of the lower glass plate and connected with a PLC (programmable logic controller) positioned outside the temperature adjustment glass; the PLC is connected with a temperature sensor. The temperature adjustment glass has the advantages of relatively good temperature preservation and adjustment effects.

The invention relates to a rapid hardening cement wallboard and a production technology thereof. The rapid hardening cement wallboard comprises components in parts by mass as follows: 26-30 parts of cement, 17-22 parts of fly ash, 9-12 parts of perlite, 2 parts of a sizing agent, 3 parts of an anti-corrosion short fiber skeleton and 60 parts of water, wherein the anti-corrosion short fiber skeleton is palm fiber or glass fiber; the sizing agent is glue or gelatine powder; the production technology comprises die closing, weighing, primary stirring, secondary stirring, tertiary stirring, pouring, solidification and maintaining. Main ingredients are all inorganic substances, and the rapid hardening cement wallboard has high fire resistance and flame resistance; the palm fiber or the glass fiber is taken as a reinforcement substance to be doped in slurry and can be integrally coagulated with the hardened slurry, and the bending resistance and the impact resistance of the rapid hardening cement wallboard are enhanced; air pores formed through foaming enable acoustic waves to perform diffuse reflection when the acoustic waves penetrate through the rapid hardening cement wallboard, the penetrating power of the acoustic waves is reduced, and the rapid hardening cement wallboard has an excellent sound insulation effect.

The invention discloses a preparation method of a prefabricated body for a carbon fiber soft felt. The preparation method comprises the following steps that organic fibers with a first wire diameter and a second wire diameter are correspondingly opened into fluffy single fibers; the opened organic fibers with the first wire diameter are carded into a web, the web is paved into a fiber web, and a multi-layer inner web tire is prefabricated; the opened organic fibers with the second wire diameter are carded into a web, the web is paved into a fiber web, and two layers of outer web tires are prefabricated; the multiple layers of inner net tires are sequentially and circularly stacked, then the two layers of outer net tires are stacked on the outer sides of the multiple layers of inner net tires, the prefabricated body for the carbon fiber soft felt is obtained through needling integral forming, and the first wire diameter is larger than the second wire diameter. According to the preparation method of the prefabricated body for the carbon fiber soft felt, the scattering effect of the thin filament diameter and the enhanced thermal insulation effect caused by the low density of the thick filament diameter are simultaneously considered, and the radiation heat transfer reduction caused by the improvement of the radiation scattering and the conduction heat transfer reduction caused by the low density are simultaneously considered.

The invention relates to a thermal insulation and cold insulation circulation system based on a phase change thermal insulation material. The system comprises a phase change thermal insulation coating uniformly covering the outer side surface of an outer tank of an LNG storage tank, an outer side thermal insulation and cold insulation layer arranged on the inner side of the outer tank, an inner side thermal insulation and cold insulation layer arranged on the outer side of an inner tank wall plate of the LNG storage tank, and a middle phase change capsule filling layer, wherein a closed annular containing cavity is formed between the inner side thermal insulation and cold insulation layer and the outer side thermal insulation and cold insulation layer; and the middle phase change capsule filling layer is arranged in the annular containing cavity, and the middle phase change capsule filling layer is configured to absorb leaked heat of the LNG storage tank and release absorbed heat through phase change. The thermal insulation and cold insulation circulation system is suitable for thermal insulation of most LNG storage tanks, the interior of the inner tank wall plate can be maintained at the extremely low temperature through the characteristics of the phase change materials, cold loss of the LNG storage tank is reduced, the thermal insulation and cold insulation effect of the LNG storage tank is enhanced, the generation amount of BOG in the storage tank is further reduced, and even LNG in the tank can be stored in a supercooled state.

The invention relates to a heat-preservation device of a gluing unit photoresist pipeline in the production of semiconductors, in particular to a heat-preservation device of a photoresist pipeline casing pipe. The outer face of a photoresist pipe is provided with a double-layer casing pipe structure, the inner layer of the double-layer casing pipe structure is a water inlet pipeline, the outer layer of the double-layer casing pipe structure is a water outlet pipeline, and a self-closed circulation constant-temperature pipeline is formed. One end of the photoresist pipe is connected with a photoresist nozzle, and the other end of the photoresist pipe is connected with an external supply pipeline. The heat-preservation device of the photoresist pipeline casing pipe is good in heat-preservation effect, and capable of saving space and improving production quality and production efficiency.