1170 results about "Thermal break" patented technology

The invention relates to the technical field of cables, and discloses a multi-layer composite wrapped high-temperature-resistant anti-aging cable which sequentially comprises a conductor, an insulating cable core, a shielding layer, an outer insulating layer, a fireproof layer, a heat insulation layer, a buffer cushion layer, an armor layer, an anti-aging layer and an outer sheath layer from inside to outside. The fireproof layer is formed by alternately laminating synthetic mica tapes and ceramic boron silicone rubber tapes, a reliable fireproof barrier is formed, and the heat insulation layer is arranged to achieve efficient heat insulation and stable structure through cooperation of gradient pore nano aerogel, ceramic silicone rubber round rods and phase change capsules. The buffering cushion layer is combined with the composite layer, the aluminum oxide hollow ball array and the composite capsule, so that the mechanical buffering and auxiliary heat insulation functions are achieved; the armor layer is woven by stainless steel fibers, the mechanical protection capability is improved, and the anti-aging layer is of a double-layer structure composed of montmorillonite composite fluororubber and an anti-oxidation layer, so that thermal oxidation aging is delayed.

The invention discloses a multi-layer protection cable resistant to an extreme environment, and belongs to the technical field of cables. The cable is of a seven-layer composite structure design and sequentially comprises a conductor, an insulating layer, a shielding layer, a buffer layer, a waterproof layer, a heat insulation layer and a protective outer layer from inside to outside, and the conductor is made of high-purity oxygen-free copper; the insulating layer is made of a polyimide material and has high temperature resistance, low temperature resistance and excellent insulating property; the shielding layer is composed of a tinned copper wire woven mesh and a high-permeability permalloy foil, and electromagnetic interference is effectively shielded; the buffer layer is made of an elastic rubber material to relieve mechanical stress; the waterproof layer adopts a nanoscale fluorosilicone resin coating and has excellent waterproof performance; the heat insulation layer is made of ceramic fibers and aerogel, and efficient heat insulation is provided; and the protective outer layer is made of a high-strength and corrosion-resistant polyether-ether-ketone (PEEK) material. The cable has excellent high temperature resistance, low temperature resistance, corrosion resistance and electromagnetic interference resistance, is suitable for extreme environments, and ensures stable transmission of electric power and signals under extreme conditions.

The heat accumulating type electric heater comprises a shell and a heat accumulator, a heat preservation and insulation layer is arranged on the inner side of the shell, the shell comprises a first shell section and a second shell section, and the shell is horizontal; the first shell section comprises an inlet section and a diffusion section, and the diffusion section is arranged to be in a conical shape. The diameter of the second shell section is larger than that of the inlet section. The two ends of the diffusion section are connected with the inlet section and the second shell section respectively. The heat accumulator is made of high-temperature-resistant alloy and provided with a plurality of heat exchange holes and heating holes, the heat exchange holes and the heating holes penetrate through the heat accumulator, heating units are arranged in the heating holes, and each heating unit comprises a resistance wire. According to the invention, gas flow heating is realized by adopting resistor direct heating and heat storage, the gas purity is high, and the test accuracy is good. The shell is of a horizontal structure, the length of an outlet pipeline can be reduced, temperature loss can be reduced, the defect that the temperature field is uneven due to the fact that the temperature of the upper portion of the heat accumulator is too high and the temperature of the lower portion is too low in the heat accumulation process can be overcome, and the temperature control precision reaches + / -1 DEG C.

The invention relates to the technical field of wires and cables, and discloses a fire-resistant cable based on an overhead photovoltaic system, a braided ring in a fire-resistant flame-retardant layer is formed by winding flame-retardant crosslinked polyethylene fibers, air circulation is guaranteed by virtue of a large number of pores among ropes, and when the fire-resistant cable is burnt by flame, high-temperature gas enters the space of the braided ring, and then the braided ring is sealed. On the other hand, the liquid drainage rod is pulled through contraction traction force, the piston disc is promoted to extrude the flame-retardant liquid in the storage sleeve, after the liquid is sprayed out through the liquid drainage holes, one part of the liquid directly acts on a flame area for fire extinguishing and flame retarding, and the flame-retardant effect is achieved. Most of the materials are adsorbed and retained by the porous structure of the braided ring, are gradually decomposed at a continuous high temperature to release flame-retardant gas, and react with braided ring fibers to form a liquid-state and solid-state composite heat-insulating layer to fill tiny pores which are still remained after shrinkage, so that the integrity of a cable circuit at the initial stage of a fire disaster is guaranteed.

The invention relates to the technical field of high-power femtosecond laser manufacturing, and discloses a high-power industrial femtosecond laser water cooling structure and a thermal stability optimization method thereof. Comprising the steps that an adjustable flow resistance valve driven by a shape memory alloy is arranged in a cooling water channel in a machine shell water cooling plate, and a temperature sensor is embedded in a key position of the machine shell water cooling plate; a paraffin-based or metal-based phase change material is filled at the bottom of the heat dissipation chute of the shell water cooling plate; an ultrathin uniform-temperature plate is embedded in the water-cooling plate of the casing, so that heat of local hot spots, such as heat near a reflecting mirror seat, on the water-cooling plate of the casing is quickly diffused to the whole water-cooling plate; bionic guide vanes are arranged in the cooling water channel; an aerogel heat insulation layer is additionally arranged between the machine shell water cooling plate and the outer shell, the machine shell water cooling plate and the outer shell are connected through a titanium alloy connecting piece with a low expansion coefficient, and a flow channel cover plate and the machine shell water cooling plate are flexibly connected through a metal corrugated pipe.

The invention relates to the field of tension and pressure sensors, in particular to a tension and pressure sensor with a compensation function, which comprises an elastic body, a strain gauge, a compensation gauge and a wiring terminal, the strain gauge and the compensation gauge are respectively arranged on the surface of the elastic body, the strain gauge, the compensation gauge and the wiring terminal are electrically connected through a plurality of high-temperature-resistant cables to form a bridge circuit, at least the strain gauge and the compensation gauge are respectively limited in the first heat insulation layer and the protection layer, and the first heat insulation layer is located between the elastic body and the protection layer. At least a first heat insulation layer used for protection, heat insulation, pressure resistance and sealing is used for wrapping a strain gauge and a compensating gauge which are packaged by a polyimide film and can resist the high temperature of 260 DEG C, so that the actual temperature of the strain gauge and the compensating gauge has a remarkable temperature difference with the current environment temperature; the actual temperature of the strain gauge and the compensating gauge is obviously lower than the environment temperature, so that the strain gauge and the compensating gauge are respectively in an ideal temperature range, and the force measurement precision of the pull pressure sensor is ensured.

The invention discloses a preparation method of a tinned copper core fluorinated ethylene propylene insulated cable for aerospace, and relates to the technical field of aerospace cable preparation methods. The preparation method comprises the following steps: S1, preparing a nickel-plated copper core; s2, preparing a heat insulation layer; s3, a composite insulating layer is prepared, the composite insulating layer is composed of a first insulating layer, a second insulating layer and a third insulating layer from inside to outside, the first insulating layer is a fluorinated ethylene propylene layer, the second insulating layer is a polyimide / fluorinated ethylene propylene composite layer, and the third insulating layer is a polyether-ether-ketone layer; s4, preparing a shielding layer; and S5, preparing a protective layer. The invention provides the preparation method of the tinned copper core fluorinated ethylene propylene insulated cable for aerospace, the insulated cable prepared by the preparation method has high performance and high reliability in an extreme aerospace environment, and all key requirements of electrical performance, radiation resistance, mechanical strength and wear resistance are comprehensively met.

The application discloses a kind of low thermal conductivity high reflectivity five-element co-doped ceramic laser protection coating and preparation method thereof, belong to high-energy laser protection technical field.The protective coating includes the adhesive layer and the reflective heat insulation layer of laminated arrangement, adhesive layer is arranged on the surface of base material, reflective heat insulation layer is arranged on the surface of adhesive layer;Wherein, adhesive layer is formed by spraying one of Ni-Al self-bonding powder, Ni-Mo-Al, NiCrAlY, CoCrAlY and NiCoCrAlY;Reflective heat insulation layer is the ceramic coating of five-element co-doped ZrO2, in ceramic coating, base element is ZrO2, doping component is:Y2O3, Gd2O3, Yb2O3, TiO2 And Ta2O5, after doping, material is single cubic phase structure at 25 ℃-1600 ℃.By multiple oxide doping to ZrO2, the coating can maintain cubic phase at room temperature while having lower thermal conductivity and higher reflectivity, can solve the problems of oxidation reflectivity reduction of metal material, mass loss of ablation material and insufficient heat insulation capacity of heat insulation material in laser protection field, prolong service life.

The invention relates to the technical field of cable manufacturing, and discloses a low-carbon environment-friendly low-voltage fireproof cable which sequentially comprises a cable core, a metal heat transfer layer, a ceramic halogen-free low-smoke heat insulation layer, a metal fire blocking layer and a halogen-free low-smoke outer sheath layer from inside to outside. The cable core comprises a plurality of insulating wire cores and a ceramic halogen-free low-smoke flame-retardant material filled in external gaps of the insulating wire cores, each insulating wire core sequentially comprises a conductor, a high-temperature-resistant mica layer and an insulating layer from inside to outside, the high-temperature-resistant mica layer is tightly coated on the surface of the conductor, and the insulating layer is coated on the surface of the insulating layer. The insulating layer is made of a ceramic silicone rubber material, and the ceramic halogen-free low-smoke flame-retardant material and the ceramic halogen-free low-smoke thermal insulation layer both contain inorganic filler capable of forming a ceramic hard shell at high temperature. According to the cable, by adopting a combined structure of the high-temperature-resistant mica layer and the ceramic silicone rubber insulating layer, the fireproof grade of the cable is improved.

This heat insulation structure of a tank wall includes a tank wall, a plurality of heat insulation panels, an interlayer heat insulation material, and a soft material. The tank wall defines an accommodation space for cryogenic fluid. The heat insulation panels are arranged on the outer periphery of the tank wall and each include an inner first heat insulation layer and an outer second heat insulation layer that have mutually different heat insulation performances. The interlayer heat insulation material is disposed between: the second heat insulation layer of one of the heat insulation panels that are adjacent when arranged on the outer periphery; and the second heat insulation layer of the other of such heat insulation panels. The interlayer heat insulation material is disposed in a state of being divided from the foregoing second heat insulation layers. The soft material is interposed between the interlayer heat insulation material and the second heat insulating layer.

The invention discloses a high-low temperature heat storage single-tank device with a composite partition plate. The problems that an existing single-tank heat storage system is thick in thermocline, single in partition plate performance, poor in disturbance rejection and the like are solved. The device comprises a cylindrical tank body, a composite partition plate system, a driving mechanism, a matched pipeline and a heat exchange system, the composite partition plate is composed of a high-temperature phase-change material, a middle heat insulation layer and a low-temperature phase-change material, heat transfer between high-temperature media and low-temperature media is restrained through a thermal delay mechanism, and the dynamic disturbance resistance is enhanced through the movable partition plate. The device can reduce the thickness of the thermocline, improve the heat storage efficiency and stability, reduce the driving energy consumption and cost, is suitable for the scenes of solar thermal power generation, industrial waste heat recovery, ship heat storage and cold storage and the like, and can provide continuous and stable clean energy.

The invention discloses an ultraviolet-resistant and high-temperature-aging-resistant photovoltaic cable structure which comprises a cable conductor, and a buffer layer, an insulating layer, a shielding layer and a sheath layer which are sequentially arranged on the outer side of the cable conductor. The insulating layer is formed by co-extruding a heat-conducting buffer layer, a main insulating layer and a reflection isolating layer, and the heat-conducting buffer layer is provided with a heat-conducting channel along the axial direction; the shielding layer comprises a main body shielding layer and a thermal insulation layer. Silver-plated copper wires are embedded in the thermal insulation layer. Lotus-leaf-like bionic protrusions are arranged on the outer surface of the sheath layer, and a shape memory polymer film is embedded in the sheath layer. The cable conductor is made of high-purity oxygen-free copper and is spirally twisted, a ceramic composite coating is coated outside the cable conductor, and the buffer layer is a polytetrafluoroethylene film. According to the structure, through cooperation of multi-layer composite design and functional materials, the effects of rapid heat dissipation, improvement of temperature resistance and aging resistance, effective blocking of ultraviolet rays, enhancement of structural stability and the like are achieved, the problems that an existing photovoltaic cable is poor in weather resistance, insufficient in heat conduction and prone to structure failure are solved, and the photovoltaic cable can be widely applied to outdoor scenes such as photovoltaic power stations and the like.

A door / window frame structure for making door / window casing such as doors and / or windows intended to be anchored to a supporting wall, said structure comprising at least one metal end element (2) suited to define the external surface (3) of the door / window frame and a substantially straight insulating element (4) suited to promote thermal insulation between the environments respectively located inside and outside with respect to the door / window frame structure. At least one pair of straight metal profile (13) is provided, which have a first end (16) intended to be directly coupled with the insulating element (4); at least one of the profiles of said pair has a second end (19) suited to be directly anchored to the metal end element (2).

The invention discloses a liquid-gas phase change flexible actuator based on solid-liquid phase change regulation and control. The actuator comprises a strip-shaped driving layer, a heat insulation layer and a variable stiffness layer which are tightly stacked in sequence, and every two adjacent layers of the driving layer, the heat insulation layer and the variable stiffness layer are fixedly connected; the driving layer is driven to deform by driving the heating wire, the rigidity-variable layer adjusts the rigidity of deformation at different positions of the driving layer through the rigidity adjusting and controlling heating wire, deformation and adjustment of any shape of the liquid-gas phase change flexible actuator are achieved through cooperation of the driving layer and the rigidity-variable layer, and therefore different working modes are achieved. According to the liquid-gas phase change flexible actuator based on solid-liquid phase change regulation and control, repeated and reversible regulation and control deformation of the actuator can be achieved, and the liquid-gas phase change flexible actuator has the advantages of being diversified in deformation form, high in response speed and low in energy consumption for keeping deformation and has a large application prospect.

The invention relates to the technical field of mine blasting, and discloses a high-temperature blasting drilling multi-layer thermal insulation charging device for strip mines, which comprises a multi-layer thermal insulation sleeve, a temperature monitoring module, an active cooling module and a quick release mechanism, the multi-layer thermal insulation sleeve comprises a phase change heat absorption layer, and an aerogel thermal insulation layer is fixedly mounted on the outer wall of the phase change heat absorption layer; a metal reflecting layer is fixedly installed on the outer wall of the aerogel heat insulation layer, the multiple layers of heat insulation sleeves are arranged, the high temperature of the external environment is effectively isolated through the multiple layers of structures of the multiple layers of heat insulation sleeves, internal explosives are protected against the influence of the high temperature, and the phase change heat absorption layer utilizes the phase change heat absorption characteristic of a paraffin-graphene composite material; a large amount of heat is absorbed and stored, temperature rise is effectively slowed down, the aerogel heat insulation layer further blocks heat transfer due to extremely low heat conductivity and excellent heat insulation performance, the metal reflection layer can effectively reflect solar radiation and heat radiation in the surrounding environment, and heat absorption is reduced.

The invention provides a high-speed aviation bearing testing machine for simulating a high-temperature environment, and belongs to the technical field of high-temperature bearing testing. The external annular heating cavity and the internal high-temperature heating cavity are symmetrically arranged, high-temperature gas is guided in in two directions, and cooperative temperature control of the double heating cavities is achieved; a physical isolation layer is formed by the inner side spacing cover and the end face heat insulation cavity, so that lubricating oil is prevented from being in contact with high-temperature gas; the internal and external high-temperature heating cavities are physically isolated from the bearing tool through the heat insulation layer, so that heat conduction is prevented from interfering with measured data. The device comprises a machine base, a base and an upper cover, the base and the upper cover are fixedly installed on the machine base, the upper cover and the base jointly form a closed cavity wrapping a test tool, the device further comprises a connecting shaft, an external annular heating cavity, a tested bearing assembly and an internal high-temperature heating cavity, and the connecting shaft is inserted into the closed cavity; an external annular heating cavity is formed in the right side area of the tail end of the connecting shaft, and an internal high-temperature heating cavity is formed in the axis area of the connecting shaft.

Method and system for maintaining temperature-sensitive materials within a desired temperature range for an extended time. In one embodiment, the system includes an outer box having a rectangular cavity. An insulation unit is snugly but removably positioned in the rectangular cavity. The insulation unit includes a support and a thermal insulation member. The support may be a generally rectangular sleeve with four sides, an open bottom and an open top. The thermal insulation may be a bilayer material wrapped around the four sides of the support to form a spiral structure. The bilayer material may include a first sheet of an expanded slit-sheet packaging material and a second sheet of tissue paper. The system may additionally include a bottom insulation member at the bottom of the support, a top insulation member at the top of the support, and a payload and temperature-control members between the top and bottom insulation member.

Provided is a substrate processing apparatus. The substrate processing apparatus includes a support plate configured to support a substrate, a base plate under the support plate, a thermal insulation layer between the support plate and the base plate, and a bonder bonding the base plate and the thermal insulation layer to each other, wherein the thermal insulation layer is brought into tight contact with a lower end surface of the support plate by using a bolt.

The utility model is suitable for the technical field of atomization, and discloses an atomization device and atomization equipment comprising the atomization device. The atomization device comprises an installation base body, a heating body and a reflection heat insulation layer, the heating body is arranged in the installation base body, and the reflection heat insulation layer is arranged between the installation base body and the heating body and surrounds the outer surface of the heating body. The heating body is of a hollow cylindrical structure and is provided with a containing cavity and an opening communicated with the containing cavity, the opening is located in one end of the heating body, the containing cavity extends in the direction away from the opening, and the opening is used for allowing an aerosol product to be inserted into the containing cavity. A flow guide groove communicated with the opening is formed in the inner wall of the heating body and used for guiding gas from the opening to the end, away from the opening, of the containing cavity. According to the atomization device, heat radiation of the heating body is reflected through the reflection heat insulation layer, and heat generated by the heating body is prevented from being conducted to the installation base body; in addition, the reflective heat insulation layer does not store heat, the heat insulation effect is good, the cost is low, and the occupied space is small.

A storefront pickup system for installation into a storefront of a building. The storefront pickup system provides a thermal break between an exterior and an interior of the building, allowing ordered items such as food and beverages to travel through the storefront. The storefront pickup system includes a storage compartment having a rear door assembly providing access to the storage compartment from an interior of the building, and a front door assembly providing access to the storage compartment from an exterior of the building.

The invention discloses a graphite purification furnace based on a gradient flow-equalizing gas permeation structure and a gas distribution method thereof, belongs to the technical field of high-purity material preparation, and aims to solve the problem of inconsistent product purification degree caused by non-uniform gas flow distribution in a traditional purification furnace. The core is that an annular gas flow equalizing cavity filled with a graphite soft felt is constructed in a heat insulation layer, and gas realizes pressure equalization and preheating in the cavity; micropores distributed in a gradient mode are formed in the inner-layer heat insulation hard felt to serve as a seepage face, natural convection is resisted through the distribution strategy that the upper portion is dense and the lower portion is sparse, and uniform and low-speed seepage of gas from the periphery to the center is achieved. The device also supports partitioned gas inlet and can cooperate with a heating system to realize fine regulation and control of a temperature-atmosphere field in the furnace, and the scheme can significantly improve the product purification uniformity, the gas utilization rate and the process flexibility, and is compact and reliable in structure.

The invention discloses a passive radiation-cold storage composite box body and a preparation method. The box body sequentially comprises a composite radiation film, a heat insulation layer and a cold storage layer from outside to inside. The outer-layer radiation film is composed of an elastic organic matrix and high-reflection inorganic particles such as barium sulfate, has high solar reflectivity and mid-infrared high emissivity, and can effectively restrain solar absorption and achieve radiation heat dissipation in the daytime. The heat insulation layer is made of XPS, EPS, aerogel felt and other low-heat-conduction materials so as to reduce external heat transfer. Phase change microcapsules are dispersed in the cold storage layer, and flake graphite and other high-thermal-conductivity fillers can be added to improve the cold transfer efficiency and temperature uniformity. And the phase-change material realizes automatic cold storage and cold release through a latent heat mechanism, so that the temperature in the box body is kept stable. Through the synergistic effect of radiation refrigeration, heat insulation and phase change cold storage, long-time and recyclable passive cold chain temperature control is achieved, and the device has the advantages of being simple and convenient in structure, high in cost performance, flexible in application, uniform in internal temperature distribution and the like.

This application relates to the field of fermenters, specifically a high-efficiency insulated fermenter. The fermenter comprises a closed fermentation chamber formed by the fitting of tank walls. This closed fermentation chamber has an inlet and an outlet, and multiple temperature sensors are axially arranged within the fermentation chamber. The tank wall adopts a five-layer composite structure, comprising, from the inside out: a material contact layer, a heat storage and temperature control zone, a main insulation layer, a vacuum insulation layer, and an outer protective layer. The heat storage and temperature control zone employs a multi-chamber design and is equipped with an independent temperature control actuator. The vacuum insulation layer and the outer protective layer work synergistically to maximize the suppression of heat conduction. This fermenter, by optimizing the tank wall structure, improves the temperature control accuracy and insulation performance during the fermentation process, ensuring uniform and efficient fermentation of the material within the closed fermentation chamber. The tank wall is composed of a multi-layer composite structure.

The utility model discloses a thermal protection sheet between battery cells of an energy storage battery. The thermal protection sheet comprises a thermal insulation radiating fin, the heat-insulating and heat-radiating fin comprises a middle heat-insulating and heat-insulating layer and heat-conducting and heat-radiating layers arranged on two sides of the heat-insulating and heat-insulating layer The heat insulation layer adopts a nano silicon composite heat insulation sheet; the heat conduction and heat dissipation layer is made of graphite flakes. The heat insulation radiating fin can resist the temperature of 1200 DEG C, can effectively prevent thermal runaway between battery cells and prolong the burn-through time, and has excellent temperature resistance, heat insulation, flame retardance and buffering functions; after the heat insulation radiating fins are adopted, the thickness of the whole protective sheet is reduced, space is saved, and the heat conductivity coefficient is low.

The utility model relates to the technical field of energy-saving buildings, in particular to a passive house wall body heat preservation structure which comprises a wall body, light steel keels are fixedly arranged on the wall body, a heat preservation layer is arranged on the outer side of the light steel keels and fixedly connected with the light steel keels through anchoring parts, a heat insulation layer is connected to the outer side of the heat preservation layer through a bonding layer, and a facing layer is arranged on the outer side of the heat insulation layer. Temperature sensors are mounted on the surfaces of the heat-insulating layers; an adjusting cavity box is arranged in the heat preservation layer, the upper end of the adjusting cavity box is connected with a water injection hose, the lower end of the adjusting cavity box is connected with a drainage pipe, the outer end of the drainage pipe extends out of the front surface of the heat preservation layer, and an electric control drainage valve is installed at the outer end of the drainage pipe and connected with an external control system. According to the passive house wall structure, multiple layers of composite heat preservation materials are adopted, the heat preservation performance of the wall is effectively improved, meanwhile, dynamic thermal inertia adjustment is achieved through the built-in water injection and drainage cavity groove, the heat preservation and heat insulation performance is improved, the thermal performance of the passive house wall structure is improved, energy consumption is reduced, and the living comfort is improved.

The utility model discloses a heating device of a hot melt glue gun, which comprises a heating head, a heat collecting component is arranged on the surface of the heating head, one end of the heating head is fixedly connected with a glue outlet head, a through glue outlet cavity is arranged in the glue outlet head, a through heating cavity is arranged in the heating head, and the heating cavity is communicated with the glue outlet cavity. When a user starts the hot melt glue gun, the power source can supply power to the PTC ceramic heating ring, the PTC ceramic heating ring is rapidly heated under the action of current due to the positive temperature coefficient characteristic of the PTC ceramic heating ring, heat generated by the PTC ceramic heating ring is directly transmitted to the heating head through the fixing lantern ring, and the heating head is heated through the PTC ceramic heating ring. Due to the fact that the heating head is integrally formed, the heat conduction efficiency is improved, the heating head is more convenient and faster to replace or maintain when needing to be replaced or maintained, the heat gathering assembly on the surface of the heating head starts to play a role, the rubber heat insulation layer effectively prevents heat from diffusing outwards, and it is ensured that most of heat is concentrated in the heating cavity.

An intelligent simulation apparatus for monitoring fluid-rock dissolution of carbonate rocks using a temperature controller is provided, including a reactor internally provided with a thermal insulation layer and a working chamber. A front side surface of the reactor is provided with a temperature controller. The working chamber is internally provided with an L-shaped liquid-gas accommodating chamber, a first reaction chamber, a heating chamber and a second reaction chamber. The L-shaped liquid-gas accommodating chamber is internally provided with a temperature sensor and a pressure sensor, which are electrically connected to the temperature controller. The heating chamber is internally provided with a heating wire. Two sides of each of the first reaction chamber and the second reaction chamber are slidably provided with a core holder for holding carbonate rock samples.

The utility model discloses a kind of heating furnace furnace wall equipment mounting hole cleaning tools, belong to installation equipment furnace wall hole cleaning technical field, including cleaning head, cleaning head includes integrally connected conical front end and circular table shape rear end, circular table shape rear end side surface is provided with spiral structure along axial direction, circular table shape rear end rear portion is connected with the front end of connecting rod, the rear end of connecting rod is connected with handle, handle is equipped with heat insulation layer on it.The utility model can completely remove blockage, cleaning effect is good, and has the advantages of easy operation and high temperature resistance.

This invention discloses a laser-based dynamic balancing device for an EC motor rotor, belonging to the field of laser cutting technology. It includes a frame module, a chuck module, and a balancing module. Two sets of chuck modules are mounted on the frame module to clamp the rotor from both ends of the rotor shaft. The balancing module is movably mounted on one side of the frame module. Each chuck module includes a hollow shaft cylinder and a shaft disc. The shaft disc is rotatably mounted at one end of the hollow shaft cylinder. Several support layers are slidably mounted on the shaft disc along the circumferential direction. Clamps are mounted on the inner diameter ends of the support layers. This invention uses the two sets of chuck modules in the frame module to center and clamp both ends of the EC motor rotor shaft, preventing rotor misalignment. A heat insulation layer is provided between the support layers and the clamps to block heat. The high thermal conductivity copper alloy clamps, combined with the coolant flow channel, efficiently exchange heat, maintaining the shaft at a low temperature and reducing magnet demagnetization.

An energy storage device for storing thermal energy is disclosed. The energy storage device comprises at least one heating device; a thermal storage body comprising at least one thermal storage block formed from a miscibility gap alloy; thermal insulation surrounding said thermal storage body; and at least one substantially impermeable shell surrounding the thermal storage body and / or the thermal insulation. The device is arranged such that heat can be charged or discharged from said thermal storage body by thermal transfer between said at least one heat transfer channel and at least one thermal storage block. The invention also relates to a method and a system for storing thermal energy in said at least one thermal storage block formed from a miscibility gap alloy.