2313results about "Thermal insulation" patented technology

A breakaway valve for a cryogenic fluid tank includes a tank-side valve and a nozzle-side valve. The tank-side valve is connected to and forms a first vacuum-insulation layer with a first jacketed hose. The first jacket support includes first bellows configured to reduce heat transfer with the first vacuum-insulation layer and one or more first bellow supports that include first teeth inserted between and engaging the first bellows to provide structural support to the first bellows. The nozzle-side valve is connected to and forms a second vacuum-insulation layer with a second jacketed hose. The second jacket support includes second bellows configured to reduce heat transfer with the second vacuum-insulation layer and one or more second bellow supports that include second teeth inserted between and engaging the second bellows to provide structural support to the second bellows.

The utility model relates to the technical field of heat preservation, in particular to a heat preservation sleeve which comprises a heat preservation sleeve body, a first hook-and-loop fastener and first caulking filler. The first Velcro comprises a first Velcro hook surface, a first lap joint block and a first Velcro rough surface; the hook face of the first hook-and-loop fastener is fixed to the outer side of the first splicing end of the heat preservation sleeve body. The first lap joint block comprises a first fixing part and a first lap joint part, the first fixing part is fixed to the outer side of the second splicing end, and the first lap joint part extends out of the second splicing end; the first Velcro rough surface is arranged on the side, close to the first Velcro hook surface, of the first lap joint part; and the first caulking filler is arranged on the first lap joint part and is located at the seam of the first splicing end and the second splicing end when the rough surface of the first magic tape is adhered to the hook surface of the first magic tape. The problems that in the prior art, when a seam of a heat preservation pipe sleeve is fixed in a sewing thread or hook-and-loop fastener mode, the sealing effect of the seam is poor, and a large amount of heat is exchanged between the seam and the outside can be solved.

The embodiment of the invention provides a plastic-coated steel pipe and a plastic coating process thereof, and relates to the technical field of plastic-coated steel pipes. The plastic-coated steel pipe comprises a steel pipe base body, a metal transition layer, an inner anticorrosive coating, a fiber reinforced winding layer and an outer protective coating are sequentially arranged on the outer surface of the steel pipe base body from inside to outside, and the metal transition layer is a nickel-chromium-aluminum-yttrium alloy layer and is formed on the surface of the steel pipe base body through a supersonic plasma spraying process. And the inner anticorrosive coating is formed by a mixture of bisphenol F type epoxy resin and novolac epoxy resin, and is doped with silicon nitride and zirconium oxide composite nanoparticles subjected to surface treatment. By arranging a multi-stage composite structure of the metal transition layer, the high-temperature-resistant anti-corrosion coating, the fiber reinforcement layer and the self-repairing outer layer and arranging the detachable heat insulation sheath, the interface bonding strength, heat resistance, mechanical damage resistance and corrosion resistance of the plastic-coated steel pipe are improved; and the service life of the composite material in high-temperature, strong-corrosion and complex construction environments is effectively prolonged.

The utility model discloses heat insulation type laminated iron, which comprises a metal substrate and a PET (polyethylene terephthalate) layer adhered on the surface of the metal substrate, the PET layer comprises a base layer and a conical array structure formed on the surface of the base layer, the conical array structure comprises a plurality of conical convex structures, and an Ag layer and an oxide protection layer are sequentially arranged on the side surface of each conical convex structure. According to the laminated iron, the reflectivity of the laminated iron in an infrared band can be improved, the heat insulation performance of a material is enhanced, meanwhile, the risk of migration of harmful substances is avoided, and the laminated iron has good safety.

The present invention provides a modified silica aerogel powder having a higher water repellency and a larger contact angle, and a method for producing the same. At the same time, the present invention provides an aerogel slurry having a lower thermal conductivity and a method for producing the same. The present invention also provides a method for producing an aerogel insulating felt having low thermal conductivity, high mechanical strength, and capable of relatively well resolving the problem of powder shedding. The method for producing the modified silica aerogel powder includes the steps of (1) modifying halloysite nanotubes with dodecyl methacrylate and pentafluorophenyl methacrylate, (2) preparing a silica sol, (3) adding the modified halloysite nanotubes to the silica sol to prepare a wet gel, and (5) preparing the wet gel into the modified silica aerogel powder. The present application also provides a method for producing an aerogel slurry from the modified silica aerogel powder, and a method for producing an aerogel insulating felt from the aerogel slurry.

The invention relates to a rotary valve electric heating device and a control method. The control method of the rotary valve electric heating device comprises the steps that a first temperature signal of an electric heating plate and a second temperature signal of a rotary valve are obtained; filtering the first temperature signal and the second temperature signal to obtain a first filtering temperature and a second filtering temperature, and calculating a corresponding temperature difference value according to the first filtering temperature and the second filtering temperature; judging that the second filtering temperature is lower than a lower limit threshold of a preset target temperature interval, and judging that the second filtering temperature is higher than an upper limit threshold of the preset target temperature interval; judging whether the temperature difference value exceeds a temperature difference threshold, and judging whether the first filtering temperature exceeds a safety upper limit temperature; and switching on the power supply of the electric heating plate and switching off the power supply of the electric heating plate. The precision of temperature regulation and control is guaranteed, the temperature of the rotary valve shell is close to the process requirement range, and the stability and safety of the operation process are improved.

The utility model discloses a low-temperature-resistant ultrafiltration water purification device which comprises a water inlet, a water inlet pump, a primary filter, an ultrafiltration membrane assembly, an anti-freezing glycerol tank, an activated carbon filter, a produced water outlet and a waste liquid discharge pipe, the water inlet is connected with a water inlet pump; the water inlet pump is connected with the primary filter; the primary filter is respectively connected with the anti-freezing glycerol tank and the active carbon filter; the ultrafiltration membrane assembly is connected with the active carbon filter; an ultraviolet sterilizer is arranged between the activated carbon filter and the produced water outlet; the water inlet, the primary filter, the ultrafiltration membrane assembly, the anti-freezing glycerol tank, the activated carbon filter and the ultraviolet sterilizer are all connected with a waste liquid discharge pipe. Enough pipeline pressure is ensured while the water purification effect is ensured; each key node of the device is provided with a pressure relief pipeline connected with a waste liquid discharge pipe, so that the risk caused by excessive pressure is avoided; and the anti-freezing glycerol tank is arranged and is matched with a valve switch to perform pipeline anti-freezing operation, so that the cold resistance of the device is improved.

Thermal barrier curtain systems include a thermal barrier curtain and port and starboard anchor / hoist strap assemblies. The thermal barrier curtain includes forward and aft flexible air-impervious panels which are sealed about peripheral edges thereof so as to define a central thermal barrier region and separator elements positioned between and attached to the forward and aft panels within the central thermal barrier region so as to define a dead air space therebetween. Each of the port and starboard anchor / hoist strap assemblies includes an elongate strap, upper and lower attachment members positioned at opposed upper and lower ends of the elongate strap, an upper attachment loop adapted to receive and be attached to a respective connection element of the thermal barrier curtain, and an intermediate retaining loop which is adapted to receive and be attached to the lower attachment member of the anchor / hoist assembly.

The utility model discloses a split type pipeline heat preservation module with an aerogel heat insulation layer, which relates to the field of pipeline heat preservation equipment, and adopts the technical scheme that the split type pipeline heat preservation module comprises a sleeve body, and a plurality of groups of arc-shaped pipe pieces which are sequentially and rotatably connected end to end of the sleeve body, the shells of every two adjacent pipe pieces are rotationally connected through a hinge structure. An elastic buffer layer, a reflective aluminum foil layer and an aerogel heat insulation layer are sequentially arranged on the inner wall of the shell of each group of duct pieces, and the elastic buffer layer is bonded and fixed with the inner wall of the shell; a plurality of hasps are fixedly arranged on the shell located at one end, a plurality of connecting rings are arranged on the shell located at the other end, and when the sleeve body is arranged on the outer side of a pipeline in a sleeving mode, the hasps are fixedly connected with the connecting rings. The utility model has the beneficial effects that the modular detachable design is adopted, so that the mounting and the dismounting are convenient and fast, and the thermal insulation performance and the construction efficiency of the pipeline joint coating are obviously improved.

The invention discloses a range-extended steam conveying system with a temperature and pressure increasing device and an installation method, and relates to the technical field of steam conveying, the range-extended steam conveying system with the temperature and pressure increasing device comprises a steam conveying pipeline and the temperature and pressure increasing device, and the temperature and pressure increasing device is used for increasing temperature and pressure of steam in the steam conveying pipeline. The steam conveying pipeline comprises an inner pipe, an inner heat preservation layer, a heat preservation interlayer, an outer heat preservation layer and a protection layer which are sequentially arranged from inside to outside, and the heat preservation interlayer is of an arc-shaped structure, located on the top of the inner heat preservation layer and used for supporting the outer heat preservation layer. When the pipe diameter of the steam conveying pipeline is selected, the diameter of the steam conveying pipeline can be reduced to the maximum extent, the investment of the steam conveying pipeline is reduced, and the pipe loss of the steam conveying pipeline under low load is reduced; the heat preservation interlayer of the arc structure is additionally arranged, heat dissipation loss of the upper portion of the steam conveying pipeline can be effectively reduced, meanwhile, the outer heat preservation layer is supported by the heat preservation interlayer, the heat preservation performance of the outer heat preservation layer can be improved, and the service life can be prolonged.

The invention relates to a corrugated hose (200) for use in semiconductor technology equipment, and to a semiconductor technology equipment comprising a corresponding corrugated hose (200). The corrugated hose (200) comprises a flexibly deformable bellows (210) made of rigid, gas-tight material with a wave-like alternating diameter, forming the outer surface of the corrugated hose (200), and an inner hose (220) made of flexible material, forming the flow channel for a liquid, wherein the bellows (210) and the hose (220) are connected to each other at the two ends of the corrugated hose (200) in such a way that a continuous gas volume (240) is formed between the bellows (210) and the hose (220), and the corrugated hose (200) is designed to reduce temperature differences between the bellows (210) and the hose (220). The system for semiconductor technology comprises a temperature control system (100) with at least one fluid line (101), wherein a corrugated hose (200) according to the invention is arranged in at least one fluid line (101).

The invention discloses a high-sealing ball valve with a leakage detection function, and relates to the technical field of valves, the high-sealing ball valve comprises a bottom shaft, a valve body structure, a filler box, a support, a filler gland, a valve cover and an air cylinder, the valve body structure adopts a leakage detection technology, when a leaked medium is captured, the leaked medium can be timely introduced into the detection structure, and the leakage detection function is achieved. Leaked media can be detected in the early stage of leakage, medium loss caused by further expansion of the leakage is prevented, meanwhile, an automatic leakage repairing technology is adopted, when the detection structure detects leakage, the injection structure injects sealing grease to the sealing face between the valve seat and the ball body in time, the sealing grease evenly fills a leakage channel under the pressure effect, and the leakage is avoided. And the continuous leakage of the medium is blocked, temporary filling is carried out, the injection structure is reset after filling is completed, it is ensured that the normal opening and closing functions of the ball valve are not affected, and the medium loss and environmental pollution risks caused by leakage are reduced.

The invention provides a nano aerogel modified polyurethane thermal insulation pipe, and relates to the technical field of polyurethane thermal insulation materials. The thermal insulation pipe sequentially comprises a working pipe, a modified polyurethane thermal insulation layer and an outer protective pipe from inside to outside, the modified polyurethane thermal insulation layer is formed by composite foaming of a polyol composite material, isocyanate and nano aerogel, the nano aerogel is silicon dioxide aerogel powder or aerogel particles, the average particle size is 5-200 nm, and the specific surface area is 400-1000 m < 2 > / g; the nano aerogel is subjected to surface modification treatment, and a modifier is at least one of a silane coupling agent, a titanate coupling agent or a polyether dispersant; the dosage of the modifier is 0.5-5% of the weight of the aerogel; the thickness of the heat preservation layer ranges from 20 mm to 60 mm. By utilizing the synergistic effect of the polyurethane thermal insulation pipe and the nano aerogel, the thermal insulation performance, the economical efficiency, the mechanical performance, the process feasibility and the environmental benefits of the thermal insulation pipe are comprehensively improved, and the thermal insulation pipe has wide application prospects and remarkable economic and social benefits.

A cooling device (1.1) for food, in particular a refrigerator and / or freezer, comprises a cooling chamber (2) with a chamber wall, wherein the chamber wall has in at least one wall section (9.1 to 9.6) an insulating body with an insulating core and a covering medium that hermetically encloses the insulating core, which is pressurized, and two cover layers between which the insulating body is received, wherein the insulating body has a thickness of at least 5 mm, and wherein the cover layers (14.1, 14.2) each have a thickness in the range of 0.1 mm to 25 mm. An insulating module, in particular for such a cooling device (1.1).

A vacuum adiabatic body according to the present invention includes a first plate member, a second plate member, a sealing part which seals between the first plate member and the second plate member, a conductive resistance sheet which connects the first plate member and the second plate member to each other so as to reduce a heat transfer amount between the first plate member and the second plate member, and at least one reinforcing frame which is installed on at least one of the first plate member and the second plate member to reinforce strength, in which the reinforcement frame includes at least one of at least one of a pair of front frames extending at left and right end portions of the opening in a vertical direction, and at least one of a pair of upper and lower frames of a machine chamber extending in the third space in the vertical direction.

The application relates to the technical field of ventilation ducts, and discloses a color steel antibacterial composite air pipe. In the application, the composite air pipe body is provided with a connecting frame one at one end and a connecting frame two at the other end, connecting screw holes are arranged at the four corners of the connecting frame one and the connecting frame two, a color steel plate layer is arranged outside the composite air pipe body, a heat preservation layer is arranged on one side of the color steel plate layer, an inner layer is arranged on one side of the heat preservation layer, an antibacterial layer is sprayed on the surface of one side of the inner layer, the inner layer is made of a high polymer material, the air flow resistance can be effectively reduced, ventilation is more smooth and efficient, the antibacterial layer can inhibit bacterial breeding, effectively improve air quality, provide health guarantee for indoor environment, the heat preservation layer can reduce heat loss in the heat transmission process, meet the building energy-saving demand, and the multilayer structure cooperates with each other, not only enhances the performance of the composite air pipe body, but also improves the durability and applicability of the composite air pipe body.

The utility model relates to the technical field of conveying pipeline protection, and discloses a pipeline external protection mechanism in an extreme environment, which comprises a pipeline, two groups of mounting flanges and a protection component. According to the pipeline external protection mechanism in the extreme environment, the outer side of the pipeline is sleeved with a set of sleeves, the two ends of the sleeves achieve sealing of the contact portions of the pipeline and the sleeves through sealing assemblies, temperature loss caused by air convection is reduced, meanwhile, through the multiple sets of annular pipes in the pipeline and argon filled in the annular pipes and the heat preservation cavity, the temperature loss caused by air convection is reduced; meanwhile, through supporting and shaping of the annular pipe, it is guaranteed that the whole sleeve is not prone to deformation, the annular groove formed in the outer side of the sleeve can guide rain and snow accumulated at the top end of the sleeve to flow downwards, the rain and snow are prevented from being accumulated at the top of the pipeline, and the service life of the sleeve is prolonged. And therefore, the safe use performance of the whole pipeline under extreme climate conditions is improved.

The invention discloses a heat insulation and heat preservation composite pipe forming device, and relates to the technical field of pipeline forming. The heat insulation and heat preservation composite pipe forming device comprises an inner pipe extrusion die, a heat preservation layer extrusion die, a blind hole forming mechanism and an outer skin extrusion die which are sequentially arranged. The inner pipe extrusion die is used for extruding an inner pipe, the heat preservation layer extrusion die is used for extruding a heat preservation layer and wrapping the outer surface of the inner pipe, the blind hole forming mechanism is used for punching an inner wall filling blind hole in the heat preservation layer when the heat preservation layer is not shaped, and the outer skin extrusion die is used for extruding an outer skin layer, wrapping the outer surface of the inner pipe and filling the filling blind hole. According to the heat insulation and heat preservation composite pipe forming device, due to the fact that the blind hole forming mechanism is arranged, the formed heat insulation and heat preservation composite pipe can form the filling blind hole in the heat preservation layer, the filling blind hole is filled with high-density polyethylene, and therefore the situation that an outer skin and the heat preservation layer are separated from each other due to the fact that the thermal expansion rates of the outer skin and the heat preservation layer are different is avoided.

The present disclosure relates to a vacuum insulation panel, an apparatus for manufacturing vacuum insulation panel, and a method for manufacturing vacuum insulation panel. The vacuum insulation panel according to an embodiment of the present disclosure may include a sealing cap configured to seal an exhaust hole of the panel assembly, and a heating coil capable of inductively heating the sealing cap.

The invention relates to a heat-insulating film (2) for a pressure sensor (1) for determining the pressure of a fluid medium (F), comprising a film body (3) and a coating (5), a film surface (6) of the film body (3) facing the fluid medium (F) when the heat-insulating film (2) is used. The coating (5) has a layer-like structure (7), the longitudinal extension (DL) of which perpendicular to the film plane (XY) is at most half of the transverse extension (DQ) of which parallel to the film plane (XY) for a plurality of layers (9).

This utility model discloses an adhesive aerogel insulation sleeve for corrugated pipes used in thermal pipelines, comprising an upper ring sleeve, a lower ring sleeve, and an insulation cover disposed between the upper and lower ring sleeves. The insulation cover includes an inner protective layer and an outer protective layer disposed on its inner and outer walls, an inner protective layer and an outer protective layer respectively disposed on the outer walls of the inner and outer protective layers, and an insulation layer disposed between the inner and outer protective layers. The upper and lower ring sleeves are respectively sewn to the upper and lower walls of the insulation cover by stitching. The advantages of this utility model compared to existing technologies are: it provides an adhesive aerogel insulation sleeve for corrugated pipes used in thermal pipelines that is convenient to construct, lighter in weight, and easier to open and maintain.

The utility model provides a four-way valve body which comprises a tubular valve body, a first pipeline is arranged on the upper side of the valve body, a second pipeline, a third pipeline and a fourth pipeline are sequentially arranged on the lower side of the valve body side by side at intervals, a connecting sleeve is connected to the surface of the valve body in a sleeved mode, and a first connecting pipe connected to the outer side of the first pipeline in a sleeved mode is arranged at the position, corresponding to the first pipeline, of the connecting sleeve. A second connecting pipe sleeving the outer side of the second pipeline is arranged at the position corresponding to the second pipeline, a third connecting pipe sleeving the outer side of the third pipeline is arranged at the position corresponding to the third pipeline, and a fourth connecting pipe sleeving the outer side of the fourth pipeline is arranged at the position corresponding to the fourth pipeline; the front side of the connecting sleeve is provided with a first through groove corresponding to the position between the first connecting pipe and the third connecting pipe, and the front sides of the first connecting pipe and the third connecting pipe are respectively provided with a second through groove and a third through groove close to the connecting sleeve. The heat exchanger has the advantages that the heat exchanger is convenient to machine and produce, the heat exchange rate is effectively reduced, and meanwhile the flow speed and the circulation amount of internal fluid media cannot be changed.

The present invention provides a sheet-like thermal insulating material (flame barrier insulating laminate) that is shapable into a three-dimensional and has excellent handling properties, and a thermal insulating structure with a three-dimensional shape made from the laminate. The flame barrier insulating laminate comprises at least one flame barrier insulating layer and one prepreg layer. The flame barrier insulating layer is made of a sheet having a thickness of 0.1 to 3.0 mm, in which inorganic fibers with a heat resistance temperature of 1000°C or higher are entangled in a random direction. The prepreg layer is a prepreg sheet in which an inorganic fiber base fabric is impregnated with a semi-cured thermosetting resin. The thermosetting resin of the prepreg layer in the flame barrier insulating laminate is fully cured, resulting in a flame barrier insulating structure with a desired shape.

The utility model provides a downpipe anti-freezing device, relates to the technical field of downpipes, and solves the problem of poor anti-freezing effect of downpipes in the north. The device comprises an outer wall body, a roof and a downpipe, the water inlet end of the downpipe extends into a room from the roof, the water outlet end of the downpipe extends out of the room from the outer wall body, and the part, from the wall penetrating position to the water outlet end, of the downpipe is sleeved with a sleeve. A heat conduction cavity used for transferring indoor heat to the outdoor portion of the downpipe is formed between the sleeve and the downpipe, a heat preservation layer is arranged on the outer surface of the outdoor portion of the sleeve, and a shutter baffle assembly is installed on the inner wall face, tightly attached to the outer wall body, between the sleeve and the downpipe. The anti-freezing downpipe has the advantages that indoor temperature is effectively utilized for heat transfer to guarantee that the downpipe is anti-freezing, and the anti-freezing effect is good.

The application relates to the technical field of spacecraft thermal control, and particularly provides a spacecraft multilayer heat insulation assembly thermal bridge suppression type bolt fixing structure which comprises a fixing assembly, a heat insulation bushing, a first heat insulation gasket, a second heat insulation gasket, a multilayer heat insulation assembly and a structural member; a stud passes through the second heat insulation gasket, the structural member and the multilayer heat insulation assembly in sequence; the outer surface of the stud is covered with the heat insulation bushing; the heat insulation bushing is a gradient functional composite structure; the heat insulation bushing comprises, from inside to outside, a heat insulation damping layer, a heat reflection layer and a structural enhancement radiation resistance layer; the contact surface between the second heat insulation gasket and the structural member is provided with a micro-cone array structure; the contact surface between the first heat insulation gasket and the top of the heat insulation bushing is provided with a micro-cone array structure; and the micro-cone array structure is used for filling assembly gaps and reducing solid heat conduction. The application has the advantages of low heat leakage, strong space adaptability and high thermal resistance stability.

The utility model discloses a large -scale high temperature equipment heat preservation and insulation field, concretely for large -scale high temperature equipment heat preservation and support structure. Include: heat preservation nail is set up in the outside of casing, heat preservation nail includes: vertical roof beam, and one end of vertical roof beam is fixedly connected with casing, and crossbeam is set up in the other end of vertical roof beam along the vertical direction of vertical roof beam, and the bending part is set up in the middle part of vertical roof beam, and the outside of crossbeam is provided with the support plate, and the outside of support plate is provided with the outer protective layer. The support plate is U type board, and the crossbeam is located in the recess of support plate. The heat insulation board is arranged between crossbeam and support plate, and the heat insulation board is embedded in the recess of support plate. The bending part is the arched convex that is perpendicular to the length direction of vertical roof beam through the bolt connection between crossbeam, support plate and outer protective layer. Vertical roof beam, crossbeam and bending part are integrally bent into shape. Its through novel heat preservation and insulation layer support structure to guarantee large -scale high temperature equipment heat preservation and insulation effect and long -term use of heat preservation and insulation layer.

Aerogels having relatively large areas and / or relatively low numbers of defects are generally described. In some embodiments, the aerogel has one or more properties (e.g., optical and / or thermal properties) that do not substantially vary across the aerogel. Insulated glass units and / or solar thermal receivers comprising aerogels are also generally described. Articles, systems, and methods related to aerogels coupled to substrates are also generally described. Aerogels, including monolithic aerogels, may be coupled to transparent substrates such that the resulting article has advantageous insulation properties for window applications. Such articles may be used to retrofit existing windows or be incorporated into insulated glass units. The coupling of the aerogel to the substrate, in some embodiments, does not significantly impact the optical properties of the substrate and / or the aerogel. Insulated units comprising the aerogels are also described.

The utility model discloses chemical pipeline thermal insulation treatment equipment which comprises a pipe body and an installation sleeve, the installation sleeve is fixedly arranged outside the pipe body in a sleeving mode and is made of thermal insulation materials, and a connector is fixedly arranged on the middle side of the top end in the installation sleeve. According to the device, firstly, gas in the mounting sleeve is exhausted from the abdicating hole to the outside through the exhaust hole, then a vacuum interlayer state is formed between the pipe body and the mounting sleeve, and the pipe body is subjected to double heat preservation treatment through the effect of the vacuum interlayer and the heat insulation function of the mounting sleeve; and the heat preservation effect of the pipe body is improved. Through the design of mechanical linkage, the avoiding hole in the position of the blocking plate and the mounting hole in the position of the baffle can be subjected to overlapping or dislocation treatment only by using the worm by a worker, so that the interior of the pipe body is in a communication or disconnection state with the outside, and when the interior of the pipe body is disconnected with the outside, the heat insulation function of the baffle and the blocking plate is achieved through the design of the heat insulation function of the baffle and the blocking plate. And the heat preservation effect in the pipe body is ensured.

A hazardous fluid isolation system is provided for handling hazardous fluids, and includes a barrier that separates and partitions a hazardous zone from a non-hazardous zone. The system includes a processing unit for receiving and processing the hazardous fluid. The processing unit is located in a non-hazardous zone, and a hazardous fluid source is fluidically connected to the processing unit by a pipe network. The pipe network includes at least a first pipe that extends partly into the non-hazardous zone and partly into the hazardous zone, the first pipe being provided with a coupler for connecting a first section of the pipe extending from the hazardous zone to a second section of the pipe extending from the processing unit. The first pipe has an inner pipe and an outer pipe surrounding the inner pipe, partitioning a vacuum space and forming a vacuum insulation jacket surrounding the inner pipe.

The fixing and supporting device comprises a supporting plate, a guide groove is formed in the middle of the top end of the supporting plate, a left clamping plate is movably installed at one end of the top of the supporting plate, and a right clamping plate is movably installed at the end, away from the left clamping plate, of the top end of the supporting plate. Guide blocks are fixedly connected to the middles of the bottom ends of the left clamping plate and the right clamping plate, locking studs are installed at the bottoms of the guide blocks, an elastic bandage is fixedly connected to one end of the top of the left clamping plate, hooks are symmetrically connected to one end of the elastic bandage, and a fixing frame is installed at one end of the top of the right clamping plate; the left clamping plate and the right clamping plate are used in cooperation to clamp and fix a pipeline, a certain fixing and supporting effect is achieved, the left clamping plate and the right clamping plate can move along the guide groove, the distance between the left clamping plate and the right clamping plate can be changed, and therefore the pipeline clamping device can adapt to pipelines of different sizes; and meanwhile, the upper portion of the pipeline is bound through the elastic binding band, and the stability of the pipeline is further improved.