72results about How to "Efficient heat transfer" patented technology

The invention discloses an all-season hot rod device and a permafrost stability maintenance method, and belongs to the technical field of permafrost protection.The all-season hot rod device comprises a hot rod unit and a refrigeration unit, the hot rod unit is sequentially divided into a condensation section, a heat insulation section and an evaporation section from top to bottom, and the condensation section is arranged above the ground surface; the heat insulation section is arranged in a permafrost season activity layer, the evaporation section is arranged in a permafrost layer, and a gaseous heat-carrying agent on the lower portion of the evaporation section is injected into the upper condensation section through an ejector in the heat insulation section; the refrigeration unit is arranged at the top of the condensation section and can absorb heat of the condensation section and release the heat into the atmosphere; the operation of the hot rod unit and the refrigeration unit is controlled according to the permafrost temperature. The heat rod unit and the refrigeration unit are combined, cold can be continuously conveyed to permafrost all year round, and the heat stability of permafrost engineering is maintained; and meanwhile, the device has the advantages of zero energy consumption, efficient heat transfer, convenience in transportation and installation, is reliable in operation, and can achieve the dual purposes of permafrost protection, energy conservation and efficiency improvement.

A three-period minimal curved surface primary surface heat exchanger based on proportion hybridization belongs to the technical field of heat exchangers, aims to solve the problem of improving the heat exchange effect of a primary heat exchanger, and is technically characterized by comprising a hybridized three-period minimal curved surface core body which is formed by a SchwartzDiamond type three-period minimal curved surface and a Gyandroid type three-period minimal curved surface based on proportion hybridization, a cold fluid channel opening and a hot fluid channel opening are formed in the surface of the core body, a cold fluid channel and a hot fluid channel are formed in the core body, the heat exchanger has the advantages that the power-to-weight ratio and the heat exchange efficiency of heat transfer performance characterization of the heat exchanger are remarkably improved, and the heat exchanger can be used for light-weight efficient heat transfer in a heat management system of an aviation aircraft.

The invention discloses a heat dissipation type photovoltaic energy storage battery box based on phase change heat conduction, and belongs to the technical field of energy storage battery boxes, the heat dissipation type photovoltaic energy storage battery box comprises a direct cooling plate, the front end of the direct cooling plate is fixedly connected with a front frame beam, the rear end of the direct cooling plate is fixedly connected with a rear frame beam, the left side of the direct cooling plate is fixedly connected with a left frame beam, and the right side of the direct cooling plate is fixedly connected with a right frame beam. The right side of the direct cooling plate is fixedly connected with a front frame beam, the right side of the direct cooling plate is fixedly connected with a right frame beam, the front end of the direct cooling plate is fixedly connected with a first support, the first support is fixedly connected with the front frame beam, a second support is fixedly connected above the direct cooling plate, and the front end of the second support is fixedly connected with the first support. The rear end of the second support is fixedly connected with the rear frame beam. According to the structure, light weight, high integration level and high heat exchange efficiency of the box body can be guaranteed, compared with a conventional energy storage box body, the structure is simpler, the space utilization rate is high, the temperature uniformity is good, the heat exchange efficiency is higher, battery loss is reduced, and meanwhile the safety coefficient is improved.

The present application provides a PCR test tube with a small tube cavity volume, which can reduce the reaction system, and at the same time can contact heat transfer over a large area and change temperature quickly. The whole tube is flat, including a tube body with an opening at the upper end and a tube cover for sealing the opening, and a tube cavity communicating with the opening is provided in the lower part of the tube body. There are two channels in the tube body; the lower ends of the two channels are in communication with the tube cavity, but the height of the part communicating with the tube cavity is different; the channel at a higher position in communication with the tube cavity is the air inlet channel, and the channel at a lower position in communication with the tube cavity is the reflux channel; the outlet at the upper end of the air inlet channel and the inlet at the upper end of the reflux channel are both located on the surface of the tube body in contact with the tube cover.

The invention relates to the technical field of gas stoves, and discloses a burner cap assembly, a burner and a gas stove. The fire cover assembly comprises fire covers, fire holes are formed in the fire covers, the fire holes penetrate through the top walls of the fire covers and the side walls of the fire covers in the radial direction of the fire covers, the multiple fire covers are sequentially arranged at intervals in the direction from inside to outside, multiple secondary air holes are formed between the adjacent fire covers and are sequentially arranged at intervals in the circumferential direction of the fire cover assembly, and the secondary air holes are communicated with the fire covers. And the fire holes of the adjacent fire covers are communicated with the secondary air holes. The fire holes penetrate through the top wall and the side wall of the fire cover in the radial direction of the fire cover, stable combustion of flames at the fire holes is facilitated, and the phenomenon of flame separation is avoided. The multiple secondary air holes are formed between the adjacent fire covers, secondary air can be accurately supplemented for the fire holes, the fire holes penetrate through the fire covers in the radial direction of the fire covers, the influence of the secondary air on the temperature uniformizing effect can be reduced, and therefore the efficient heat transfer and temperature uniformizing heating effect is achieved.

The invention discloses a negative pressure atomization and supergravity enhanced liquid-solid reaction magnesium metallurgy device and method.The device comprises a furnace body, a liquid-solid mixing reaction material tank, a first-stage material gathering taper pipe and a second-stage material gathering taper pipe are fixedly arranged in the furnace body from top to bottom, and a solid raw material distributing plate is fixedly arranged in the liquid-solid mixing reaction material tank; powder feeding threads are formed in the solid raw material feeding pipe, the solid raw material feeding pipe is rotationally connected with the furnace body and connected with a transmission assembly, the solid raw material feeding pipe is rotationally connected with a neck of a hopper, and the neck of the hopper is connected with a solid raw material feeding vacuum valve; a liquid reducing agent sprayer fixedly connected with a liquid reducing agent feeding pipe is arranged in the liquid-solid mixing reaction material tank, and the liquid reducing agent feeding pipe is rotationally connected with the liquid-solid mixing reaction material tank and is connected with a liquid reducing agent feeding vacuum valve; the solid raw material feeding pipe and the liquid reducing agent feeding pipe are both provided with heating rings, the furnace body is connected with the magnesium steam collecting system connected with the vacuumizing system, the slag outlet capable of being sealed is formed in the bottom of the furnace body, energy consumption of magnesium metallurgy is reduced, and the reaction efficiency is improved.

The utility model relates to the technical field of mixing machines, and discloses a high-speed scattering and cooling safety fence mixing machine which comprises a shell assembly, a storage assembly is rotatably mounted in the shell assembly, a mixing assembly is movably mounted above the storage assembly, a heat dissipation assembly is movably mounted at the inner end of the lower end of the storage assembly, and a cooling assembly is movably mounted at the lower end of the mixing assembly. And moving assemblies are fixedly mounted at the lower end and the left end of the shell assembly, and an auxiliary assembly is rotationally mounted at the inner end of the shell assembly. According to the high-speed scattering and cooling safety fence mixing machine, through installation of the heat dissipation assembly, heat can be effectively transferred, the heat conduction efficiency is greatly improved, meanwhile, internal air circulation can be accelerated for cooling, the heat dissipation efficiency is effectively improved, the safety of scattering materials is effectively improved, and the service life of the materials is prolonged. Meanwhile, the service life of the mixer is prolonged, the practicability and the safety are effectively improved, the use cost is reduced, and the mixer is convenient to use by workers.

The invention relates to the technical field of fresh air equipment, and discloses a dehumidification and purification integrated fresh air system which comprises a shell, a middle cylinder and an inner cylinder are sequentially nested in the coaxial position in the shell from inside to outside, and end covers are installed at the two ends of the shell, the two ends of the middle cylinder and the two ends of the inner cylinder in a sealed mode. A pre-interaction assembly used for carrying out split pretreatment on outdoor fresh air is arranged in the shell. According to the equipment, outdoor fresh air is precisely divided into a large amount of main path fresh air and a small amount of bypass fresh air through cooperation of all parts of a pre-interaction assembly, the bypass fresh air enters an inner cavity of an inner barrel to penetrate through an inner filter layer at a low speed to be pre-dehumidified and become dry air, and the dry air is injected into a mixing cavity through a backflow pipe and impacts and pushes a closing block open; the main path fresh air and the dry air are forcibly mixed in the mixing cavity to form relatively dry fresh air, so that mixing and filtering are performed firstly, high-humidity air is prevented from being in direct contact with a rear-end filter screen, the problem of easy mildewing caused by dust removal firstly is solved, and the service life of the filter screen is prolonged.

The invention relates to the technical field of chemical equipment, and discloses a methanation fixed bed reactor. The methanation fixed bed reactor comprises a reactor wall with a multi-layer structure and a reaction chamber defined by the reactor wall, and the reactor wall with the multi-layer structure comprises a metal shell, a refractory layer, a heat insulation layer and an aerogel heat preservation layer; the heat insulation layer and the fireproof layer are sequentially arranged on the inner wall of the metal shell, and the aerogel heat preservation layer is arranged on the outer wall of the metal shell. And the thicknesses of the fireproof layer and the heat insulation layer meet the requirement that the temperature of the outer surface of the metal shell is lower than 300 DEG C. The fireproof layer and the heat insulation layer are used for preventing overtemperature of the reactor wall, the aerogel heat preservation layer is used for conducting heat preservation on the reactor wall, the situation that when the environment temperature changes, the temperature difference between the interior and the exterior of the reactor wall is too large, gas condensation is caused, and a reactor is damaged is avoided, and the aerogel heat preservation layer thermochromism can give an alarm in time.

The application relates to the technical field of heat exchange equipment, in particular to a transverse liquid film type dehumidification condenser. The transverse liquid film type dehumidification condenser comprises a shell and a uniform flow assembly and a fiber silk group arranged in the shell. The shell is respectively provided with a liquid inlet and a liquid outlet at two ends along a first direction, and is provided with air passing openings at two ends along a second direction. The fiber silk group comprises a plurality of fiber silks arranged in an array in multiple rows and multiple columns along the first direction and along a third direction; the uniform flow assembly is located between the fiber silk group and the liquid inlet, and is used for distributing the liquid during liquid falling, so that the liquid is uniformly diffused in a cross section of the shell perpendicular to the first direction, so as to improve the heat and humidity exchange effect of the liquid and the airflow; meanwhile, a liquid film is formed on the surface of the fiber silk group, so that the gas-liquid contact path is extended through the fiber silk group; meanwhile, the generation of liquid drops is promoted through the fiber silk group, so that the phase change heat transfer efficiency is effectively improved by relying on the rapid generation and falling of the liquid drops.

The utility model belongs to the technical field of cooling liquid conveying, and particularly relates to a large-diameter nylon pipe with a cooling liquid conveying function, which comprises a nylon pipe main body, a nylon pipe joint, a double-sealing-ring mechanism and a metal buckle, the nylon pipe main body is detachably connected with the nylon pipe joint, and the nylon pipe main body comprises a main body pipeline and a main body joint; the main body pipeline is fixedly connected with the main body connector, a buckling groove is formed in the side face of the main body connector, the nylon pipe connector comprises a pipe connector body, a first sealing groove and a second sealing groove are formed in the side face of the pipe connector body, and a threaded hole is formed in the side face of the pipe connector body. The first sealing ring and the second sealing ring are attached to the inner side face of the body connector, and the metal buckle penetrates through the buckle groove to be in threaded connection with the threaded hole. Compared with the prior art, the utility model has the advantages and positive effects that the metal buckle is simple in structure and easy to mount and dismount, and the double-sealing-ring mechanism is good in sealing performance.

The invention discloses a mica ceramic heating plate and an assembling method thereof, and belongs to the technical field of electric heating equipment, the heating plate comprises a plate body assembly, the plate body assembly comprises an upper plate cover and a lower plate seat, one end of the lower plate seat is provided with a mounting groove matched with the upper plate cover, and the other end of the lower plate seat is provided with a cavity communicated with the mounting groove; a heating assembly is arranged in the mounting groove and located between the upper disc cover and the lower disc base, the heating assembly comprises a base plate matched with the mounting groove and mica sheets arranged on the surfaces of the two sides of the base plate, and the mica sheets on the two sides of the base plate are flexibly attached to the lower disc base and the upper disc cover respectively. According to the heating disc of the scheme, thermal resistance caused by air gaps in the heating disc can be eliminated, and heat is efficiently conducted to the heating disc; meanwhile, stress generated by thermal expansion and cold contraction of an internal structure can be effectively absorbed, damage such as cracking of the disc body is prevented, and the service life of the disc body is effectively prolonged. According to the scheme, the assembly method is simple, and heat loss caused by air gaps in the heating disc can be effectively eliminated.

The invention discloses a phase change heat storage device for strengthening fluid heat transfer, which comprises a rectangular box body, an upper layer partition plate, a lower layer partition plate, a first fin, a second fin and a flange, the upper layer partition plate and the lower layer partition plate are horizontally arranged in the rectangular box body, and the rectangular box body is divided into an upper layer, a middle layer and a lower layer. The phase-change heat storage device has the beneficial effects that heat transfer between cold and hot fluid and the phase-change heat storage material can be enhanced, strong disturbance can be formed between the fluid and the heat exchange surface through the heat transfer structure of the device, efficient heat transfer is achieved on the limited heat transfer area, the structural size of the heat storage device can be effectively reduced, and the heat transfer efficiency is improved. The heat storage efficiency and the heat release efficiency of the heat storage device are improved, production and utilization of heat energy get rid of limitation in the aspects of space, time and strength, and therefore efficient utilization of clean energy or industrial waste heat can be promoted.

The application discloses a kind of discrete series low distributed capacitance liquid cooling heat dissipation device and method, it belongs to electronic device heat dissipation technical field, heat dissipation device includes several heat dissipation units, the top of each heat dissipation unit is used to set power device, and two adjacent heat dissipation units are connected by cooling liquid pipeline;Each heat dissipation unit includes matrix and radiator, cooling liquid pipeline is through the inside of matrix, the top center of matrix is equipped with mounting hole, and mounting hole is equipped with radiator, and the lower half of radiator is inserted into the inside flow channel of cooling liquid pipeline, and the top of radiator is used to place power device.The application adopts discrete series heat dissipation unit structure, cooling liquid pipeline is through each unit matrix, and the lower half of radiator is inserted into the inside flow channel of pipeline, and each unit independently corresponds a power device.Solve the parasitic distributed capacitance problem caused by shared metal radiator, eliminate resonance loop, inhibit switching oscillation, reduce loss, ensure that heat dissipation is uniform and dynamic equalization, improve the stability and service life of high-voltage series module.

The present application relates to a kind of dual-mode heat conduction freeze-thaw system and freeze-thaw method, freeze-thaw system includes freeze-thaw cabin, at least two heat exchange plates are provided in cabin body, for placing bagged biological products between two adjacent heat exchange plates;Circulating medium system, including medium temperature control equipment and medium circulation pipe, medium temperature control equipment is used to provide liquid circulating medium and control the temperature of liquid circulating medium, medium temperature control equipment is connected with all heat exchange plates by medium circulation pipe;Air flow circulation system, including air flow circulation pipe, air flow circulation pipe is communicated with the both ends of the cabin body of freeze-thaw cabin and forms air flow circulation channel, air flow circulation driving device and air flow temperature control device are arranged in air flow circulation channel.The present application improves the thawing efficiency by the dual-mode heat conduction of direct contact heat conduction and air flow heat transfer, can restore sample from frozen state to liquid state in short time, reduce the influence of thawing process on biological product quality.

The utility model provides an ice mould structure of ice maker, including the front ice mould thin plate and rear ice mould thin plate of vertical arrangement and install between the front ice mould thin plate rear ice mould thin plate's evaporimeter, the front ice mould thin plate is towards the one end of rear ice mould thin plate interval arrangement has a plurality of first inner recess along vertical direction, the one end of rear ice mould thin plate interval arrangement has a plurality of second inner recess along vertical direction, a plurality of second inner recess and a plurality of first inner recess one to one correspondence, the evaporimeter includes a plurality of evaporation pipes, one side of evaporation pipe is in the first inner recess in the inlay, the other side of evaporation pipe is in the second inner recess in the inlay, the utility model provides an ice mould structure of ice maker, has overcome the defect that the ice mould structure structure is relatively complex and the ice making efficiency is lower.

This invention discloses a microchannel heat exchanger driven by an electrohydrodynamic (EHD) pump, characterized by comprising an EHD pump unit and a microchannel heat exchange unit; the EHD pump unit includes a pair of emitter / receiver electrodes, alternately arranged along the flow direction at the bottom of the microchannel, and several EHD pump units are connected in series to form a multi-stage electrode array; the microchannel heat exchange unit includes a jet port and an array-arranged microchannel; the dielectric liquid generated by the EHD pump is directly sprayed into the microchannel heat exchange region through the jet port; the EHD pump unit and the microchannel heat exchange unit are integrated in the same substrate, so that the electrode arrangement area and the heat exchange channel area form a continuous flow path.

The utility model discloses a liquid metal packaging structure, which comprises a sealing frame and a heat dissipation piece, the sealing frame comprises a frame, a first elastic sealing ring and a second elastic sealing ring, the middle area of the frame is provided with an accommodating area, a chip is arranged in the accommodating area, an annular groove is formed between the chip and the frame, the first elastic sealing ring is embedded in the bottom of the annular groove, and the second elastic sealing ring is embedded in the bottom of the annular groove. The second elastic sealing ring is arranged on the periphery of the frame in a surrounding mode, the heat dissipation piece is arranged on the end face of the frame in a covering mode, the heat dissipation piece, the chip, the first elastic sealing ring and the frame jointly define a sealed space used for being filled with liquid metal, and the frame comprises a plurality of holes and has compressibility. The liquid metal packaging structure provided by the utility model realizes efficient heat conduction and can reliably seal the liquid metal under pressurization.

The utility model discloses a calcining device for processing modified bentonite, which belongs to the technical field of bentonite calcining and comprises a calcining component, a stirring component is arranged at the top end of the calcining component, and a magnetic field gradient component is arranged outside the calcining component. The number of layers is 3-5, the flowing speed of cooling water is 2-5 L / min, the water temperature is lower than 25 DEG C, overheating is prevented, the outer layer is a permanent magnet array neodymium iron boron magnet arranged in the radial direction, a plurality of strip-shaped neodymium iron boron magnets are adopted and fixed to a shell through a stainless steel protection shell, the induction magnetic field intensity is changed by adjusting the current of an electromagnetic coil to be 0-10 A, and the induction magnetic field intensity is overlapped with a permanent magnet inherent magnetic field; according to the present invention, the magnetic medium such as Fe3O4 particles can obtain enough energy at the material inlet, the temperature can be rapidly increased to the target temperature such as 300-500 DEG C so as to achieve efficient heat transfer, and the process requirements such as the switching of the calcination curves of different bentonite varieties can be rapidly responded within 10 seconds by adjusting the current of the electromagnetic coil to 0-10 A;

The invention relates to a household solar high-temperature heat utilization system, which adopts a heat collection pipe type solar air heater, a heat conduction oil furnace for heat storage and an absorption refrigeration technology to realize efficient and flexible heat utilization of solar energy in families. The problem of incrustation in a solar water heater in which an existing heat collector directly heats water is solved, the solar water heater is convenient to install and maintain, and expected social and economic benefits are remarkable.

The invention relates to a solar high-temperature heat utilization system, which adopts a heat collection pipe type solar air heater, a heat conduction oil system for heat storage, heat conduction oil and inert gas mixed heat transfer and separation technology to realize efficient utilization of solar heat. The problem of incrustation in a solar water heater in which an existing heat collector directly heats water is solved, the solar water heater is convenient to install and maintain, and expected social and economic benefits are remarkable.

The utility model relates to heat exchanger technical field especially relates to a kind of heat exchange device for high concentration material, comprising: heat exchange main part, its inside is equipped with heat exchange cavity, heat exchange main part is equipped with with heat exchange cavity intercommunication heat exchange medium inlet and heat exchange medium outlet;Multiple parallelly arranged ducts, the heat exchange cavity of heat exchange main part is penetrated, the both ends of duct form opening in flush with the end face position of heat exchange main part;A pair of end door, openably sealed and arranged in the both ends of heat exchange main part, and the upper portion of end door is provided with multiple material channels;When a pair of the end door are closed, the both ends of each material channel are connected with the opening of adjacent two ducts, so that all ducts in the heat exchange cavity are connected in series to form an S-shaped continuous high concentration material flow channel through all material channels on the pair of end door;When at least one end door is opened, the both ends of the material channel on the opened end door are separated from the opening of the corresponding side of the duct, and the opening of the side is open.

The embodiment of the utility model discloses a radiator and a semiconductor module. The heat sink includes: a copper substrate; the aluminum substrate is arranged on the surface of the copper substrate; the special-shaped expansion surface is arranged on the surface of the aluminum substrate, the special-shaped expansion surface comprises a plurality of special-shaped heat dissipation structures, the special-shaped heat dissipation structures are vertically arranged on the aluminum substrate, and the special-shaped heat dissipation structures and the aluminum substrate are integrally formed. Efficient heat transfer of the radiator can be achieved, the durability and reliability of connection are improved, the forming difficulty of the special-shaped radiating structure is reduced, and the process cost is reduced.

This invention provides a steam-stage drying and heat exchange device, belonging to the field of chemical equipment technology. It includes a primary steam utilization unit, a primary gas-liquid separator, a secondary steam utilization unit, a steam-hot water utilization unit, a secondary gas-liquid separator, and a steam condensate tank. The primary gas-liquid separator is connected to the exhaust port of the primary steam utilization unit via a pipeline. The secondary steam utilization unit is connected to the exhaust port of the primary gas-liquid separator via a pipeline. The steam-hot water utilization unit is connected to the drain port of the primary gas-liquid separator via a pipeline. The secondary gas-liquid separator is connected to the exhaust port of the secondary steam utilization unit via a pipeline. The steam condensate tank is connected to the steam-hot water utilization unit and the secondary gas-liquid separator via a pipeline, recovering primary and secondary hot water. The waste heat from the steam separated by the secondary gas-liquid separator is mixed with fresh steam to form a primary steam cycle. This device enables multiple uses of steam, improving steam utilization efficiency and reducing energy consumption.

The invention relates to a water vapor-organic working medium combined cycle power generation system which comprises a water vapor Rankine cycle and an organic working medium Rankine cycle, saturated steam generated by a boiler forms superheated steam through a superheater and drags a steam turbine generator to generate power, steam exhausted by a steam turbine is condensed in a condenser, and formed condensed water returns to the boiler through a water feeding pump and an economizer. A liquid organic working medium passes through an organic working medium booster pump, an organic working medium heater and a condenser to form organic working medium superheated steam, an organic working medium gas turbine generator set is dragged to generate electricity, and exhaust gas of an organic working medium gas turbine is cooled through the condenser to form the liquid organic working medium. And high-temperature flue gas generated in the fuel combustion or industrial production process is discharged after being cooled by the boiler body, the superheater, the economizer and the organic working medium heater, or is discharged from a chimney through purification equipment and an induced draft fan.

The application belongs to the technical field of energy storage equipment, and provides an energy storage heat exchange structure and method, which comprises a heat exchange structure monomer and a folding mechanism, and a plurality of heat exchange structure monomers are arranged in an array, each heat exchange structure monomer comprises a flow equalizing pipe, a medium pipe, a heat exchange pipe and a fin; the flow equalizing pipe is in communication with both ends of the heat exchange pipe, and the medium pipe is in communication with the flow equalizing pipe; a plurality of fins are installed on one surface of the heat exchange pipe, the folding mechanism is connected with all the heat exchange structure monomers, and is used for adjusting the spacing between adjacent heat exchange structure monomers. In the energy storage process, the spacing between the heat exchange structure monomers is reduced to extrude the solid phase change material, so that the solid phase change material is ensured to be in close contact with the heat exchange component, and the heat absorption capacity in the heat storage process is enhanced. In the heat release operation, the spacing between the heat exchange structure monomers is increased, which is beneficial to the heat convection of the liquid phase change material, improves the heat release efficiency, and makes the energy release of the phase change material more sufficient.

This invention discloses an internal and external dual-circulation airlift aerobic fermentation device, relating to the field of microbial aerobic fermentation. The device includes a gas conveying system, a fermenter, a circulating pump, a circulating cooler, a liquid distributor, a liquid-gas jet emulsification device, a gas distributor, a guide tube, an internal coil heat exchanger, and a circulating liquid suction device. This invention utilizes multiple centrally symmetrical liquid-gas jet emulsification devices within the fermenter, employing high-speed liquid flow to strongly shear and collide with the gas phase, breaking the air into micron-sized fine bubbles, thus significantly increasing the gas-liquid contact surface area. Simultaneously, the use of rotating jets and a guide tube design ensures thorough mixing of the gas and liquid phases during the jetting process, forming an innovative internal and external dual-circulation mode. This invention combines the advantages of traditional mechanical stirring and airlift fermenters, significantly improving the production capacity and oxygen utilization rate of the fermentation device while substantially reducing energy consumption.

The utility model provides a kind of inner tooth reinforced heat pipe with fixed structure, it is related to heat pipe field, this inner tooth reinforced heat pipe with fixed structure includes pipe body, the inside of pipe body is integrally formed with micro straight rib, the top of pipe body is fixedly connected with connecting pipe, the inside of connecting pipe is fixedly connected with two butt plates, the top of butt plate is equipped with through slot, the top of butt plate is equipped with two clamping grooves, the inside of connecting pipe is fixedly connected with mounting bracket, the bottom of mounting bracket is fixedly connected with helical fin This kind of inner tooth reinforced heat pipe with fixed structure improves heat exchange efficiency, realizes quick disassembly and maintenance at the same time, ensure that structure is stable and reliable, greatly expand heat dissipation area, strengthen convective heat transfer effect, realize bidirectional efficient heat transfer.

The invention discloses a plate type falling film evaporator. The evaporator comprises an evaporator tank body, a feed liquid evaporation plate device, a feed liquid distribution device, a feed liquid circulating device, a steam discharging device and a feeding pipeline, the feed liquid evaporation plate device comprises an evaporation plate mechanism, a fixed bracket, a descaling connecting frame and a descaling metal strip; a liquid film evaporation area is formed through the feed liquid evaporation plate device, uniform liquid distribution is achieved through the feed liquid distribution device, non-evaporated feed liquid flows back through the feed liquid circulation device, secondary steam is discharged through the steam discharging device, and raw materials are supplemented through the feeding pipeline; the thermal expansion coefficient of the descaling metal strip is larger than that of the evaporation plate mechanism, micro displacement is generated during heating or the descaling metal strip abuts against and slides to disturb the plate face, scale layer attachment is damaged, the scale layer is promoted to fall off, automatic reset is achieved during cooling, and self-adaptive descaling without external force driving is achieved. Passive scale removal is achieved through the thermal expansion difference, the heat transfer efficiency is improved, the operation period is prolonged, and the cleaning frequency and the maintenance cost are reduced.

The application discloses a kind of high gap change tolerance heat-conducting silicone gel and its preparation method and application, belong to heat-conducting material technical field, to different viscosity end vinyl polysiloxane and vinyl MQ silicone resin, with end containing hydrogen polysiloxane Construction composite crosslinking system, through the compounding of different viscosity end vinyl polysiloxane The entanglement state and flexibility of matrix molecular chain are regulated, while the system SiH / Vi molar ratio is accurately controlled in the adaptive range, to build uniform, dense and excellent flexibility three-dimensional crosslinking network;And be prepared by matching multi-particle-size gradation heat-conducting powder etc..The thermal conductivity of silicone gel is stable at 6W / (m·K) or more, and has excellent bonding strength and flexibility, and has excellent gap change tolerance.