6361results about "Thermal insulation" patented technology

Highly flame-retardant, heat-insulating and environmentally friendly cable with a copper core, wherein an insulating sheath (2) is permanently provided on the outside of the copper core (1), and a protective layer (3) is permanently provided on the outside of the insulating sheath (2), wherein four cavities (4) are arranged in the protective layer (3) in a uniform circular arrangement, wherein each of the four cavities (4) is filled with a flame retardant consisting of magnesium hydroxide powder, wherein a reinforcing layer (5) is permanently provided on the outside of the protective layer (3), and a hardening layer (6) is permanently provided on the outside of the reinforcing layer (5), wherein a thermal insulation layer (7) is permanently provided on the outside of the hardening layer (6), and wherein four protective units are provided on the outside of the copper core (1) in a uniform circular arrangement.

A fibrous insulation product comprising a plurality of randomly oriented glass fibers and a cross-linked formaldehyde-free binder composition at least partially coating the fibers is disclosed. The cross-linked formaldehyde-free binder composition is formed from an aqueous binder composition comprising 5.0% by weight to 37.0% by weight of at least one monomeric polyol having at least four hydroxyl groups and at least 50.0% by weight of a cross-linking agent comprising a polymeric polycarboxylic acid having at least two carboxylic acid groups, based on the total solids content of the aqueous binder composition. The glass fibers have an average fiber diameter in the range of 8 HT to 12 HT. The fibrous insulation product, after curing, has a density, when uncompressed, in the range of 0.30 pcf to 2.7 pcf.

The present disclosure relates to materials and systems to manage thermal runaway issues in battery modules. In exemplary embodiments, a battery module includes battery cells separated by spacer elements. To mitigate thermal runaway issues, spacer elements may be extended to the interior surface of the enclosure. A seal is formed between the spacer elements and the interior wall to form a thermal barrier between adjacent battery cells.

The embodiment of the invention provides a high-temperature and high-humidity flue gas generation device. A first carrier gas pipeline is provided with a first carrier gas flow controller and a permeation humidification module; the standard gas pipeline is provided with a standard gas flow controller; the second carrier gas pipeline is provided with a second carrier gas flow controller; the output ends of the first carrier gas pipeline and the standard gas pipeline are communicated with the input end of the gas mixing pipe; the output end of the gas mixing pipe is communicated with the input end of the target gas pipeline; a water bath temperature control part of the permeation humidification module heats the carrier gas to a first target temperature, wherein the first target temperature is close to the upper limit of the working temperature range of the dew-point instrument; a target gas temperature control part on the target gas pipeline heats the target gas to a second target temperature higher than the first target temperature; the control module is used for controlling the first carrier gas flow controller to convey carrier gas with fixed flow, adjusting the carrier gas flow conveyed by the second carrier gas flow controller and adjusting the standard gas flow conveyed by the standard gas flow controller so as to adjust the humidity and the concentration of target gas.

The invention relates to a plate type new fuel assembly transportation container which comprises a hollow cylindrical barrel, a first shock absorber, a second shock absorber, a first cover and a second cover, and the barrel is used for containing a new fuel assembly to be transported; the first shock absorber and the second shock absorber are arranged at the two ends of the cylinder in a sleeving mode respectively, and a multi-layer heat insulation structure and a steel pipe and steel plate wrapping design are adopted. The first cover body and the second cover body are located on the inner side of the top of the barrel to form a double-layer containing structure. The internal buffer assembly comprises a buffer gasket, a fireproof cloth sleeve and an accelerometer mounting part, provides dual protection for the fuel assembly, and meanwhile, dynamic changes in the transportation process are detected through an accelerometer to ensure that the fuel assembly is intact. The transportation container provided by the invention has excellent shock absorption, heat insulation and inclusiveness, is suitable for safe transportation of the plate-type new fuel assembly, and has a wide application prospect in the field of nuclear fuel transportation.

A nozzle includes a nozzle bayonet with a warm seal positioned at a distal end and a nose seal positioned at a proximal end so that a distal passage is defined between the warm and nose seals. The nozzle also includes a nozzle poppet valve. Purge and vent lines are in fluid communication with the distal passage. A receptacle includes a receptacle poppet valve, a receptacle inner tube and a receptacle outer tube with a receptacle insulation space defined therebetween. A coupling space is defined between an outer casing and the receptacle outer tube. The receptacle coupling space receives the nozzle bayonet. The receptacle sequentially engages the warm seal and the nose seal of the nozzle during insertion of the nozzle bayonet into the receptacle coupling space with the nozzle and receptacle poppets engaging to open the nozzle and receptacle poppet valves when the nozzle bayonet is fully inserted into the receptacle coupling space.

A pipe connector for use in high temperature environments, such as those characteristics of molten salt reactors. The pipe connector can be used in any industry that uses pipe connectors, and in particular, can be used in a molten salt system including a reactor requiring a connection rated for a maximum of about 725° C. and about 15,000 psi. The pipe connector may comprise a pin, a seal ring, a retainer ring, a box, a locking nut, and a retaining nut.

Pipe apparatus can include a coupling device with a seal circumscribing a central axis. The seal further includes a first circumferential pocket at least partially defined by a first and second circumferential flange. A fluid guide device positioned at least partially within the first circumferential pocket includes a plurality of segments that are radially arranged to circumscribe the central axis. The fluid guide device at least partially defines a fluid path. Methods can include using the coupling device to couple a first end portion of a first pipe segment to a second end portion of a second pipe segment. Methods of using the pipe apparatus can include passing fluid through the fluid path to cool the seal.

A support for coaxial flanges of a double-coaxial coupling includes a circular support structure providing a primary mounting zone for attaching a primary flange for connecting a primary outer tube, and a secondary mounting zone for attaching a secondary flange for connecting a coaxial secondary inner tube. The primary and the secondary mounting zones are spaced apart from each other in a radial direction for centering the primary and the secondary flanges in a radially spaced coaxial manner. The primary mounting zone provides an outer circumferential connection region with at least three mounting points for attaching the primary flange. The secondary mounting zone provides an inner circumferential connection region with at least three mounting points for attaching the secondary flange. A thermal path within the circular support structure between the mounting points of the primary and secondary mounting zones is longer than the distance between the two points.

The utility model provides a petroleum pipeline safety monitoring device which comprises an optical fiber sensing cable wound in a double-helix mode, the optical fiber sensing cable comprises a left-handed helix and a right-handed helix, and the left-handed helix and the right-handed helix are alternately wound on the outer wall of a pipeline with the same screw pitch and opposite rotation directions; the flexible fixing device is used for fixing the optical fiber sensing cable on the outer wall of a pipeline; and the segmented protective sleeve is arranged on the outer layer of the optical fiber sensing cable. According to the utility model, the optical fiber sensing cable is arranged on the outer wall of the pipeline in a double-helix winding manner, and the left-handed helix and the right-handed helix of the optical fiber sensing cable are arranged in a crossed manner, so that mutual compensation and verification can be realized, and the accuracy of monitoring data is improved; the flexible fixing device and the sectional protective sleeve ensure the safe and stable operation of the cable to the maximum extent from the two aspects of machinery and environment. The optical fiber sensing cable can adapt to thermal expansion and cold contraction and bending deformation of a pipeline, and the risk of cable damage is greatly reduced.

The invention provides a core material for a vacuum insulation panel, the vacuum insulation panel and a preparation method and application of the vacuum insulation panel. The core material for the vacuum insulation panel comprises aramid fibers and a binding material, and the aramid fibers comprise at least one of poly (m-phenylene isophthalamide) fibers, poly (p-phenylene terephthalamide) fibers and heterocyclic aramid fibers; the length of the aramid fiber ranges from 1 mm to 10 mm. The vacuum insulation panel comprises a core material for the vacuum insulation panel and a barrier film material, and the barrier film material wraps the core material for the vacuum insulation panel. In the process of preparing the vacuum insulated panel and the process of cutting and producing the core material for the vacuum insulated panel, dust and fine fibers are not generated, and environmental pollution and health risks are avoided.

The invention discloses a wear-resistant and corrosion-resistant butterfly valve, and relates to the field of butterfly valves, the wear-resistant and corrosion-resistant butterfly valve comprises a butterfly valve and an electric controller mounted on the butterfly valve, the electric controller is used for controlling opening and closing of the butterfly valve, connecting pipelines are mounted on two sides of the butterfly valve, and the butterfly valve and the two connecting pipelines are sleeved with two heat insulation boxes. It needs to be explained that in the embodiment of the invention, through the arrangement of the heat preservation boxes and the light-transmitting plate, in the using process of the butterfly valve, the two heat preservation boxes seal and protect the butterfly valve and the electric controller as well as the connecting position of the butterfly valve and the two connecting pipelines, and the problem that the butterfly valve is corroded by being exposed to the sun and rain for a long time is avoided; meanwhile, a light-transmitting plate is installed on the heat preservation box, the interior of the heat preservation box is heated by transmitting sunlight, the heat preservation function is achieved, normal use of the butterfly valve is guaranteed, and freezing is avoided; in addition, when the sunlight intensity is high, the folding shielding cloth is unfolded to shield the light-transmitting plate, and the problem that the electric controller is damaged due to the fact that the temperature is too high is avoided.

An aerogel composite has excellent thermal stability even when exposed to a high-temperature environment, thereby being capable of maintaining high heat insulation.

A pipe supporting structure includes: a plate-like member being into contact with an outside surface of a pipe; a tube-like member having a tubular shape and configured to support the plate-like member; and a base configured to support the tube-like member, wherein the plate-like member includes a supported portion supported by the tube-like member and an inner side portion surrounded by the supported portion, and the inner side portion has a smaller heat capacity per unit volume than the supported portion.

The utility model provides an anti-freezing pressure valve, which relates to the technical field of valve production, and comprises an inner pipe, an opening and closing device is arranged in the inner pipe, an outer pipe is arranged on the outer surface of the inner pipe, a flange for connection is fixed on the outer surface of the outer pipe, the end part of the outer pipe is connected with the inner pipe, and the opening and closing device is arranged on the inner pipe. An unfreezing device used for unfreezing is arranged on the outer surface of the outer pipe, and a drainage device used for draining accumulated water is arranged on the outer surface of the inner pipe. After the anti-freezing pressure valve is used, accumulated liquid in the inner pipe communicated with the external pipeline is discharged through the drainage device, the situation that the accumulated liquid is frozen is avoided, meanwhile, the inner pipe is isolated from external cold air through the outer pipe and the heat preservation sleeve, contact between the inner pipe and the cold air is reduced, and the anti-freezing effect is improved. The problem that in the prior art, a valve is difficult to avoid freezing by discharging accumulated liquid is solved.

The utility model relates to a flat aerosol fire extinguishing device with a high protection grade, which comprises an upper cover and a lower cover which are combined to form a hollow cavity, and a starting component and a fire extinguishing agent grain are sequentially arranged in the hollow cavity from the center to the periphery; the multiple fire extinguishing agent grains are arranged in the circumferential direction of the starting component at intervals, and the starting component is tightly attached and fixed to the center of the hollow cavity through the multiple fire extinguishing agent grains. The fire extinguishing device has the beneficial effects that the whole device is flat in appearance, the requirement of installation in a narrow space is met, and meanwhile, the fire extinguishing device has a relatively high IP protection grade on the premise that the spraying fire extinguishing performance of the fire extinguishing device is not influenced; and the starting is reliable in high-temperature, low-temperature, high-humidity and other complex environments.

The present application relates to systems and methods for thermally insulated cryogenic transport, and more particularly to a cryogenic sample transport container that uses nitrogen to transport cryogenic samples to a cryogenic storage chamber or Dewar container for storage. The cryogenic sample transport container may include an outer container, an inner container contained within the outer container, and a gas passage located between the outer container and the inner container and configured to exhaust nitrogen gas.

The invention relates to a honeycomb sandwich type vacuum insulation panel and a vacuum insulation panel system, and provides the honeycomb sandwich type vacuum insulation panel and the vacuum insulation panel system. An insulating panel mounted between a main gas barrier and an auxiliary gas barrier of a low-temperature liquid fuel tank is formed as a honeycomb sandwich panel having a honeycomb structure, so that insulation of the low-temperature liquid fuel tank can be improved and maximized, and heat loss thereof can be minimized. The cryogenic liquid fuel tank includes a primary gas barrier, an insulating panel, and a secondary gas barrier such that cryogenic liquid fuel containing liquefied hydrogen is contained therein, the cryogenic liquid fuel tank including: a honeycomb sandwich panel mounted between the primary gas barrier and the secondary gas barrier to insulate the cryogenic liquid fuel tank; a vacuum film accommodating and evacuating the honeycomb sandwich panel; and a breakage-proof pad installed at each corner of the honeycomb sandwich panel in contact with the vacuum film and preventing damage to the vacuum film.

The nonmetal composite pipeline comprises a main pipe, a heat preservation layer, a cushioning layer and an outer protection layer are sequentially arranged on the outer surface of the main pipe outwards, an optical fiber groove is formed in the inner surface of the heat preservation layer in the axis direction of the main pipe, an optical fiber monitoring strip is arranged in the optical fiber groove, and the optical fiber monitoring strip is formed by connecting a plurality of optical fiber sensors in series through optical fibers. The optical fiber sensor is connected with the data acquisition and processing unit through an optical fiber, the data acquisition and processing unit is wirelessly connected with the communication module, and the communication module is wirelessly connected with the remote monitoring center. The invention further discloses a preparation and monitoring method of the nonmetal composite pipeline based on optical fiber sensing. Through a multi-layer composite structure, the problems of large weight, easy corrosion and the like are solved, the optical fiber monitoring strips are integrated to sense multiple strain and pressure parameters in real time, and high-precision pipeline health monitoring is achieved in combination with remote monitoring.

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 invention discloses a composite aerogel felt containing organic-inorganic hybrid hollow microspheres as well as a preparation method and application of the composite aerogel felt. The method provided by the invention adopts a normal-pressure drying preparation process and comprises the following steps: adding a silicon source, a solvent and phytic acid into water, carrying out hydrolysis reaction, and then adjusting the pH value of a system to obtain a silica sol solution; adding organic and inorganic hybrid hollow microspheres into the silica sol solution, and stirring to obtain a sol solution containing the organic and inorganic hybrid hollow microspheres; and soaking a fiber felt in the sol solution containing the organic-inorganic hybrid hollow microspheres, standing, and drying to obtain the composite aerogel felt. The composite aerogel felt provided by the invention is more stable in structure, better in heat insulation performance, free of agglomeration, free of powder falling, free of repeated washing and replacement, simpler in process and more suitable for large-scale production.

To provide a drain hose for air conditioning which enables improvement of workability related to connection between a drain pipe of an indoor unit and the drain hose for air conditioning.SOLUTION: A drain hose for air conditioning includes: a hose part 11 in which drain water discharged from a drain pipe provided in an indoor unit of an air conditioner flows; and a connection part 20 which is provided at an end 12 of the hose part 11 so as to connect the drain pipe with the hose part. The connection part 20 has: a connection pipe 30 to be connected to the drain pipe; and a guide part 40 which guides a tip of the connection pipe 30 to the drain pipe when the connection pipe 30 is connected to the drain pipe. The guide part 40 has a first recessed part 50 disposed in a position spaced apart from a tip of the connection pipe 30 in a direction from a root of the connection pipe 30 toward the tip of the connection pipe 30. When viewed from a direction along an axis of the connection pipe 30, a side surface of the first recessed part 50 is located at the outer side of the connection pipe 30 with respect to the axis of the connection pipe 30.SELECTED DRAWING: Figure 4

The utility model discloses a thin film decoration section bar which comprises a section bar body, a decoration plate and a thin film, the thin film is attached to the outer side of the decoration plate through glue, the upper side of the thin film extends to the inner side of the decoration plate through the upper edge of the decoration plate to form an upper extrusion edge attached to the inner side of the upper edge of the decoration plate, and the lower side of the thin film extends to the inner side of the decoration plate through the lower edge of the decoration plate. The decorative plate is detachably connected to the outer side of the profile body, and the upper extrusion edge and the lower extrusion edge are clamped between the decorative plate and the profile body. The utility model provides a film-coated decorative profile which can prevent the edge of a film from warping.

To provide a sheet for an adiabatic board capable of obtaining an adiabatic board with excellent designability and incombustibility, and a method for manufacturing a sheet for an adiabatic board.SOLUTION: A sheet 10 for an adiabatic board has a metal foil 1, a design layer 2, a protective layer 3, and a release film 4 in this order in a thickness direction. A method for manufacturing a sheet for an adiabatic board has: a transfer sheet preparation step of preparing a transfer sheet having a release film and a transfer layer arranged on one side of the release film, where the transfer layer has, from the release film side, a protective layer and a design layer in this order in a thickness direction; and a bonding step of opposing one surface of a metal foil to a surface of the transfer sheet on a design layer side and bonding the two together.SELECTED DRAWING: Figure 1

The utility model discloses a submarine pipeline steam conveying system which comprises a steam conveying pipeline, and the steam conveying pipeline comprises a working inner pipe, a protective outer pipe and a heat preservation structure arranged between the working inner pipe and the protective outer pipe. The heat preservation structure comprises an inner heat preservation layer, a first reflecting layer and an outer heat preservation layer which are sequentially arranged on the outer side face of the working inner pipe from inside to outside, and an air layer is formed between the inner side face of the protective outer pipe and the outer heat preservation layer; an anti-corrosion layer is arranged on the outer surface of the protective outer pipe, the steam conveying pipeline is of a pipeline form that a heat preservation structure is embedded in a double-layer sleeve, the heat dissipating capacity of the pipeline is reduced, a better heat preservation effect is obtained, and economical efficiency can be considered under the condition that the heat dissipating capacity is guaranteed by means of the heat preservation structure and an air layer. Even if the thermal insulation structure is broken, seawater cannot be in direct contact with the working inner pipe due to the protection of the protective outer pipe, so that the safety of the working inner pipe is ensured. The requirements of the steam pipeline and the marine environment can be met, and the steam conveying pipeline can be laid on the seabed.

The utility model relates to the technical field of pipeline systems, in particular to a pipeline heat treatment device which comprises a cylindrical heater, the heater comprises two detachable semicircular cylinders which are symmetrically arranged, and heating wires are arranged on the semicircular cylinders; the heater is a straight cylinder or a bent cylinder which is the same as the heated pipeline section in shape, and the length of the heater is slightly larger than that of the heated pipeline section; sealing plates are arranged at the two ends of the semicircular cylinder, and semicircular through holes allowing pipelines to pass through are formed in the sealing plates; when the pipeline heat treatment device heats the pipeline, heating is more uniform, and the heating effect is better.

To provide a method for manufacturing a large-sized panel body which is less prone to bending while reducing the thickness of a plate material and improving manufacturability, and a method for manufacturing a heat insulating panel. [Solution] The air conditioning panel 10 is formed into a panel shape with sides of 60 cm or more to obtain an air conditioning effect, and two plates 11 with a thickness of 0.8 mm or less are prepared, and numerous protrusions 13 are formed on at least one of the two plates 11, and powder is applied to form a wick layer 14 in the areas including the numerous protrusions 13, and then the powder is removed from the areas corresponding to the numerous protrusions 13.After removal, the plate 11 is heated to form the wick layer 14, and the two plates 11 including the plate 11 with the wick layer 14 formed on them are combined and the numerous protrusions 13 are welded together.

The invention discloses a fiber / powder composite VIP core material based on a DLP technology and a preparation method and application thereof, and belongs to the technical field of vacuum insulation panel manufacturing. The preparation method of the core material comprises the following steps: (1) uniformly stirring and mixing glass fibers, gas-phase SiO2 powder, light-cured resin, a dispersing agent and a photoinitiator to obtain a printing material; (2) printing a fiber / powder composite VIP core material by adopting the printing material in the step (1) according to a three-dimensional model of a preset structure, drying and cooling; and (3) putting the core material in the step (2) into a barrier film, adding a getter, and packaging to obtain the product. The method has the beneficial effects that solid-phase heat conduction can be effectively reduced through elaborately optimized material composition and structural design, particularly fiber directional layered arrangement which is beneficial to realization based on a DLP printer, and fiber pores can be further filled after gas-phase SiO2 is compounded. The heat conductivity of the VIP can be reduced to 0.0025-0.0035 W / (m.K) by combining the synergistic effect of all the components, and is remarkably improved compared with that of traditional VIP.

The invention relates to the technical field of aerospace, in particular to a metallic diaphragm type low-temperature pressure accumulator for a carrier rocket, which comprises a pressure accumulator shell, the pressure accumulator shell comprises a multi-way and a plurality of sealing shells, the multi-way is provided with a plurality of interfaces, and the sealing shells are arranged in the multi-way. Any two opposite connectors in the multiple connectors are an inlet and an outlet used for being connected with a carrier rocket low-temperature propellant conveying pipeline, the sealing shells are arranged at the other connectors in the multiple connectors correspondingly, and a pressure adjusting cavity is formed in the inner space of each sealing shell. The metal film box assembly is arranged in the pressure regulating cavity; and the pressure regulating assembly is communicated with the metal film box assembly and is used for regulating the internal pressure of the metal film box assembly. The low-temperature pressure accumulator has the effects that the stability and reliability of the low-temperature pressure accumulator are improved, and vibration suppression requirements under different conditions are met.

The invention relates to the related field of heat insulation composite material processing, in particular to an aerogel heat insulation pipe shell and a preparation method and application thereof, and the aerogel heat insulation pipe shell is composed of a fiber needled felt without a binder and silicon dioxide aerogel. The manufacturing method comprises the steps of fibrofelt cutting and pre-rolling, sol preparation, rotary dynamic gel forming, supercritical drying, two-end trimming and opening treatment, and the tubular prefabricated part which is accurate in size, convenient and fast to install and capable of replacing aerogel felt is mainly applied to various pipelines and cylindrical equipment needing heat insulation and insulation. Loss of on-site construction materials and consumption of auxiliary materials can be effectively reduced, the construction period is shortened, and the heat insulation engineering quality is improved.