43results about How to "Improve heat transfer performance" patented technology

This invention belongs to the field of polymer synthesis and microchemical technology, and discloses a method for synthesizing hydroxyl-terminated polybutadiene in a continuous flow microchannel reactor. The preparation method includes mixing butadiene, anhydrous ethanol, 30% hydrogen peroxide, and an antioxidant under nitrogen protection to obtain a raw material liquid, which is then pumped into the microchannel reactor via a high-pressure metering pump. The mixture undergoes preheating initiation and polymerization reactions sequentially, with viscosity monitored by an online viscometer. After the reaction, the product is obtained through gas-liquid separation, sedimentation and stratification, washing, vacuum solvent removal, and filtration. This invention utilizes a microchannel reactor, which provides precise temperature control and stable pressure. Segmented temperature control and online viscosity adjustment prevent reactor blockage, resulting in high product conversion and yield, and uniform molecular weight distribution. By adding auxiliary devices to optimize the process, continuous and stable production is achieved, making it more efficient, environmentally friendly, and controllable.

The present application relates to a kind of equipment and method for producing cyclohexanone by oxidizing cyclohexene with adipic acid production exhaust gas, raw gas A containing nitrous oxide in adipic acid production line is entered into raw gas A storage tank, then enter the deoxygenation device of pressure swing adsorption and remove oxygen, enter raw gas B storage tank, enter adipic acid production exhaust gas measuring tank;Through nitrogen tank, cyclohexene measuring tank, adipic acid production exhaust gas measuring tank, high-pressure heat exchanger, high-pressure preheater, fixed bed reactor, high-pressure cooler, high-pressure separator, deep cooling gas discharge tank and low-pressure separator processing generates cyclohexanone.The main purpose product cyclohexanone is generated, the selectivity of cyclohexene to cyclohexanone is greater than 98.0%, the conversion rate of nitrous oxide is greater than or equal to 99.9%, the exhaust gas containing nitrous oxide in adipic acid production line is only treated by removing oxygen, other gases contained do not need to be separated, the gas part of process device high-pressure separator refluxes in certain proportion, more stable.

The application discloses a SiC reactor for cyclohexanone aminooxidation and a design method thereof, and relates to the technical field of chemical reactors. The SiC reactor comprises a reactor shell, a plurality of reaction channels, a plurality of composite plates, and a plurality of reaction channels. The axis direction of the reaction channel is parallel to the axis direction of the reactor shell. The plurality of composite plates are arranged in the plurality of reaction channels. The flat plate and the corrugated plate made of silicon carbide are arranged in the axial direction of the reaction channel and matched with the rhombic through-hole structure. The fluid in the reaction channel can be disturbed, the radial diffusion effect of the fluid is improved, and the effective residence time of the fluid is prolonged. Based on the excellent heat conduction performance of silicon carbide and the plate combination structure, the heat exchange between the wall surface and the fluid is strengthened, the temperature field distribution in the channel is optimized, the mass transfer and heat transfer conditions of the material are improved, and the generation effect of cyclohexanone oxime is improved.

The application discloses a rotary air preheater with a multilayer annular heat pipe, relates to the technical field of air preheating, and comprises an outer shell, an inner rotor, a center cylinder, a flue gas inlet, an air outlet, a flue gas outlet, an air inlet, a disturbance mechanism, a ring pipe group, a driving piece and a corrugated plate group. The center cylinder is coaxially arranged at the center position in the outer shell, the inner rotor is rotationally arranged on the outer wall of the center cylinder, the outer wall of the inner rotor is rotationally connected with the inner wall of the outer shell, the inner rotor is driven by the driving piece located at one side of the outer shell, the flue gas inlet and the air outlet are formed in the top end of the outer shell, and the flue gas outlet and the air inlet are formed in the bottom end of the outer shell. The corrugated plate group and the ring pipe group are arranged in the inner rotor, and a plurality of disturbance mechanisms are circumferentially arranged on the inner wall of the ring pipe group. The flue gas and the air are transversely washed to the annular heat pipe, the heat exchange coefficient of the flue gas and the air is strengthened, the deposition rate and deposition amount of ammonium bisulfate on the heated surface can be significantly slowed down, and the safety risk is reduced.

The utility model discloses an adsorption type heat pump system directly driven by steam. The adsorption type heat pump system comprises a first adsorption bed, a second adsorption bed, an evaporator, an ammonia circulation pipeline and a condenser, the first adsorption bed is communicated with the second adsorption bed through a throttling valve, and the other end of the first adsorption bed and the other end of the second adsorption bed are communicated with an ammonia circulation pipeline through a two-position four-way reversing valve to form an adsorption bed heat exchange fluid loop; the first adsorption bed is connected with the evaporator and the condenser through a vacuum valve; the second adsorption bed is connected with the evaporator and the condenser through a vacuum valve; the evaporator is connected with an external heat source, and the condenser is connected with the first cooling tower. According to the system, ammonia is used as a heat exchange medium of the adsorption bed, isothermal adsorption and desorption of the adsorption bed in the adsorption and desorption process are achieved through latent heat transfer of isothermal evaporation / condensation, the temperature gradient of the adsorbent in the working process is reduced, the heat transfer temperature difference is small, and the adsorption and desorption rate of the adsorbent and the operation stability of the system are effectively improved.

The utility model discloses a kind of air-conditioning gas compressors of high efficiency heat dissipation, it is related to gas compressor technical field, and it includes: air compressor;Face expanding mechanism, it is equipped with two groups, two groups face expanding mechanism are all located on air compressor, to increase the contact area of air compressor and outside, each group face expanding mechanism includes laminating plate and multiple face expanding teeth, laminating plate is wrapped and set on the outer surface of air compressor, multiple face expanding teeth are equidistant fixedly connected on laminating plate;Butt joint mechanism, it is equipped with two groups.The air-conditioning gas compressor of high efficiency heat dissipation, by the use of face expanding mechanism, can increase the outer surface area of air compressor, improve the effect of heat transfer, improve the cooling effect in the use process of air compressor, ensure use, the air-conditioning gas compressor of high efficiency heat dissipation, by the use of liquid cooling mechanism, can be circulated, reduce the temperature of face expanding tooth, ensure the temperature in the use process of air compressor, and simple structure, easy to use.

A fluctuating steam thermal storage and heat exchange device and method are disclosed. The device includes a tank, a heat exchanger, and a spraying device. The spraying device is located in the upper part of the tank, and the heat exchanger is located in the lower part of the tank. The bottom of the tank is connected to the spraying device via an upper pipe section through an upper circulation inlet, and to the middle of the tank via a lower pipe section through a lower circulation inlet. A circulating water pump is installed on the lifting pipe. A steam inlet is provided on the tank between the spraying device and the lower circulation inlet. This invention also provides a thermal storage and heat exchange method based on this fluctuating steam thermal storage and heat exchange device. This invention can solve the problem of recovering and utilizing intermittent polluted steam, and produces clean, high-temperature secondary water that can be used for power generation or winter heating.

The utility model belongs to the technical field of flame guns, and particularly relates to a flame gun head which comprises a gun body and a preheating piece, one end of the gun body is provided with a connecting portion used for being connected with an air source, and the other end of the gun body is provided with a gun barrel. The preheating part is connected to the side, close to the gun barrel, of the gun body and comprises a flow guide pipe, and the flow guide pipe is used for enabling fuel fluid entering the gun body to surround the inner wall of the gun head by a circle and then enter the gun barrel; according to the design, fuel fluid is guided into the gun barrel after being subjected to heat transfer at the gun head to eliminate tiny liquid beads, potential safety hazards caused by the fact that the tiny liquid beads enter the gun barrel are effectively avoided, the flow guide pipe surrounds the inner wall of the gun head by a circle, the heat transfer effect on the fuel fluid can be improved, and it is guaranteed that the tiny liquid beads possibly existing in airflow are vaporized; and the use safety and reliability of the flame gun are improved.

The application provides a phase change heat storage composite superhard abrasive grinding wheel, which comprises a grinding wheel base and abrasive materials arranged on the outer periphery of the grinding wheel base. An annular cavity is arranged on the near-outer end region of the grinding wheel base. A heat dissipation fin is arranged in the annular cavity. The inner end and both side ends of the heat dissipation fin are in contact with the grinding wheel base. The outer end of the heat dissipation fin extends to the outer wall surface of the annular cavity but does not contact the outer wall surface. The outer wall surface of the annular cavity is provided with a layer of foamed metal. A working medium is injected into the annular cavity. The phase change heat storage composite superhard abrasive grinding wheel has the advantages of high heat transfer coefficient, large heat capacity, good structural strength and effective regulation and control of the temperature of the grinding arc region.

The invention provides a boiler device for waste heat recovery, which relates to the field of waste heat recovery and comprises a boiler body, and a tube bundle heat exchange mechanism and a rotary heat tube mechanism which are connected in sequence. The tube bundle heat exchange mechanism is provided with a first tube bundle arranged in the flue gas channel; a smoke inlet of the rotating heat pipe mechanism is communicated with a smoke outlet of the pipe bundle heat exchange mechanism, and a rotating shaft with a second pipe bundle and a built-in heat pipe is arranged in the rotating heat pipe mechanism. And the flue gas backflow mechanism communicates the flue gas outlet of the rotary heat pipe mechanism with the hearth through a backflow pipeline and a fan. The self-cleaning mechanism comprises a flow guide plate arranged on the inner wall of the shell, a scraping plate which is fixed on the rotating shaft and is in contact with the flow guide plate, and an ash bucket at the bottom. Efficient and lasting waste heat recovery is achieved through heat exchange combination of the rotary heat pipe and the pipe bundle; the self-cleaning mechanism automatically removes dust; the flue gas backflow mechanism regulates and controls low-temperature flue gas to return to the hearth, and deep energy recovery is achieved. The system integrates monitoring and safety mechanisms, operation controllability and stability are guaranteed, and the heat efficiency of the boiler is integrally improved.

The application discloses a transcritical CO2 air source heat pump system and a control method thereof. The transcritical CO2 air source heat pump system comprises a carbon dioxide compressor, a gas cooler, an electronic expansion valve, an outdoor fan, a cold storage device, a heat storage water tank, a high-temperature heat accumulator, a low-temperature heat accumulator and a floor buried pipe heat exchanger. The gas cooler comprises a first working medium pipeline and a first heat exchange pipeline for realizing heat exchange. The cold storage device comprises a second working medium pipeline and a second heat exchange pipeline for realizing heat exchange. The heat storage water tank comprises a hot end heat exchange pipeline and a cold end heat exchange pipeline for realizing heat exchange. The transcritical CO2 air source heat pump system can be controlled to be in various working conditions, such as single hot water production, refrigeration and hot water production, single heating, heating and hot water production and the like, by controlling the opening and closing of each component and valve, and is integrated and multipurpose to adapt to different requirements.

This invention relates to the field of plate heat exchanger technology, and discloses a plate heat exchanger core and a plate heat exchanger, comprising: a base and raised units. Several raised units are arranged in a fish-scale pattern on the base; each raised unit includes a guiding surface and a turbulent surface, which are arranged along the flow direction of the heat exchange fluid, and the guiding surface is connected to the turbulent surface. Through this arrangement, the guiding surface reduces flow resistance and ensures smooth fluid flow, while the turbulent surface generates high-intensity turbulence, achieving excellent heat exchange performance while reducing resistance and pumping energy consumption. By setting up the fish-scale pattern of raised units, the vortices generated by the turbulent surface of each unit can continuously act on its downstream region, avoiding the flow calm zone that may exist in traditional symmetrical raised units, thereby maintaining a high heat transfer rate across the entire heat exchange plate.

The utility model relates to the technical field of electric appliances, and discloses a heater, which comprises a first shell, a heating pipe, a temperature controller and a fuse, a water inlet pipe and a water outlet pipe communicated with an inner cavity of the first shell are arranged on the first shell; the heating pipe is arranged in the first shell, the end of the heating pipe extends out of the first shell, and the heating pipe is of a U-shaped structure. The temperature controller and the fuse are arranged on the first shell; the end part of the heating pipe is connected to an external heating circuit through a temperature controller and a fuse; the temperature controller has an off state when the temperature of the first shell is higher than or equal to a first preset temperature and an on state when the temperature of the first shell is lower than the first preset temperature. The problems that an existing heater is usually large in size, hot water or steam is discharged for a long time, and user experience is affected are solved.

The application relates to a method and system for purifying durene, and belongs to the technical field of durene purification. The method comprises the following steps: performing primary suspension crystallization on durene-rich liquid at a set cooling speed to obtain primary suspension crystallization slurry with a first temperature; performing solid-liquid separation on the primary suspension crystallization slurry to obtain primary suspension crystallization mother liquor and primary suspension crystallization crystals; performing secondary suspension crystallization on the primary suspension crystallization mother liquor at a set cooling speed to obtain secondary suspension crystallization slurry with a second temperature; performing solid-liquid separation on the secondary suspension crystallization slurry to obtain secondary suspension crystallization crystals; and performing layer-type melt crystallization on the mixed crystals of the primary suspension crystallization crystals and the secondary suspension crystallization crystals to obtain durene crystallization products. Under the synergistic action of the two-stage suspension crystallization and the layer-type melt crystallization, the application can realize high yield and high purity of durene, and the method does not have a gasification and condensation process, and has low energy consumption.

The utility model discloses a kind of deep reduction device for preparing ceramsite by red mud tailings after extracting iron, including high-temperature reduction furnace and regenerative burner, the upper surface of the high-temperature reduction furnace is equipped with red mud feed hopper, the upper surface of the high-temperature reduction furnace is equipped with multiple reduction calcining chamber connected with the red mud feed hopper, the inside of the high-temperature reduction furnace is equipped with multiple heating chamber matched with the reduction calcining chamber, the deep reduction device for preparing ceramsite by red mud tailings after extracting iron is convenient to speed up the heat transfer and temperature rise of reduction calcining chamber by setting heat conducting plate and heating chamber, improve production efficiency, by setting reduction gas branch pipe, reduction gas inlet pipe, control valve and reduction gas connecting pipeline, it is convenient to inject reduction gas into each reduction calcining chamber, by setting, by setting temperature sensor, it is convenient to monitor the temperature in reduction calcining chamber, ensure that the deep reduction reaction of red mud can be smoothly carried out.

The application discloses a kind of reinforced heat transfer devices of heat mass synergic high-efficiency transmission, belong to phase change heat transfer technical field;The device includes condensing cover plate, the bottom of the condensing cover plate is sealed to connect evaporating cover plate, the inner side of the condensing cover plate is equipped with hydrophilic / hydrophobic combined surface, the condensing cover plate and evaporating cover plate are sequentially equipped with sidewall wick, auxiliary reflux zone wick from top to bottom between the condensing cover plate and evaporating cover plate, the auxiliary reflux zone wick is equipped with capillary reflux column and is inserted, the center of the auxiliary reflux zone wick is equipped with central boiling zone wick.The device makes hydrophilic pattern gather liquid and then returns auxiliary reflux zone wick through capillary reflux column, and then quickly returns central boiling zone wick under the action of gradient capillary force, through the synergic design of condensing end hydrophilic / hydrophobic combined surface and reflux path, the structure of wick is optimized, the working medium is quickly refluxed and bubble is efficiently overflowed, and the heat transfer performance and operating stability of the device are improved.

The present application relates to a kind of methyl hexahydrophthalic anhydride preparation method, comprising the following steps: with the refined methyl tetrahydrophthalic anhydride that is not isomerized as raw material, raw material and hydrogen are sent into ebullated bed hydrogenation reactor, then special catalyst is added to carry out hydrogenation;Waste hydrogen and methyl tetrahydrophthalic anhydride light component are taken out by gas phase from the top of reactor, waste catalyst is taken out from the bottom of reactor, and the hydrogenation product crude methyl hexahydrophthalic anhydride is taken out by pump control liquid level from the side of reactor;Crude methyl hexahydrophthalic anhydride is sent into the separation device with thin film evaporator and is subjected to vacuum distillation, and finished product methyl hexahydrophthalic anhydride is obtained.The catalyst used in the present application has moderate activity, high hydrogenation efficiency;Catalyst and product have no separation process, less loss, low safety risk;Post-treatment process has high heat transfer efficiency, short residence time, low colority;Product has less by-product, high yield, stable acid value and anhydride group content, and excellent performance.

This application provides a hydrophilic-phobic composite trench surface for enhancing droplet condensation heat transfer under high subcooling and its preparation method. The surface is formed by processing a metal substrate and includes an array of superhydrophilic micro-grooves and hydrophobic ridges protruding between the grooves. Hydrophilic stripes are provided on both sides of the top of the hydrophobic ridges and are connected to the liquid film of the superhydrophilic micro-grooves. The preparation method includes four steps: metal substrate pretreatment, laser marking of the superhydrophilic micro-groove array, preparation of the hydrophobic ridges, and secondary laser marking of the hydrophilic stripes. This invention achieves directional and rapid transport of droplets on the ridges through the liquid film communication effect between the hydrophilic stripes and the superhydrophilic micro-grooves, significantly increasing the droplet renewal frequency, maintaining droplet condensation for a long time and avoiding flooding, thus significantly enhancing heat transfer efficiency. The preparation process is simple, has high processing precision, low cost, and is easy to achieve industrial mass production.

The utility model discloses a kind of topological surface corrugated air conditioner high-efficiency heat exchange evaporation pipes, including evaporation pipe body, the evaporation pipe body is provided with core pipe, the outside of core pipe is fixedly wrapped with heat shrink tube, topological surface is opened in the circumferential inner wall of evaporation pipe body, the inner annular surface of evaporation pipe body is fixedly provided with baffling mechanism. The topological surface corrugated air conditioner high-efficiency heat exchange evaporation pipe, hot medium impact on the narrow part of baffle block, the beam medium is divided into three groups, in turn through baffle block, and pass through multiple groups of baffle block and carry out turbulence blocking, the baffle block of isosceles trapezoidal will main stream be divided into upper center flow, wall flow and lateral flow, form complex vortex system structure behind baffle block, significantly enhance radial mixing;Shunting effect makes fluid constantly scour wall surface, destroy thermal boundary layer, reduce thermal resistance;When fluid passes through multiple groups of baffle block in turn, form disturbance, recovery and again disturbance cycle.

This invention discloses a method for the continuous hydrogenation synthesis of GalNAc molecules. The invention provides a method for synthesizing a compound as shown in Formula I, comprising the following steps: in a flowing hydrogenation reactor, in the presence of a catalyst, reactant A undergoes a hydrogenation reaction with hydrogen to generate a compound as shown in Formula I; wherein reactant A includes a solvent, a compound as shown in Formula II, and an acid. The synthesis method provided by this invention significantly reduces the formation of Ac-depleted impurities, improves the purity and yield of the product, and also extends catalyst lifetime, thereby partially reducing time costs, catalyst costs, and greatly reducing safety risks during the production process.

The application discloses a horizontal compressor controller and a control method thereof. The controller is installed on the rear shell of the horizontal compressor, and the rear shell is in contact with the suction side of the horizontal compressor. The controller comprises a PCB board, a control chip, a flat heat pipe and a refrigeration sheet. The control chip is electrically connected with the PCB board and in contact with the rear shell. The flat heat pipe is between the control chip and the PCB board and extends along a first direction, sequentially forming a first area, a second area and a third area. The refrigeration sheet installed on the inner wall of the rear shell is in contact with the first area, the control chip is in contact with the third area, and a gap is left between the second area and the rear shell. The refrigeration sheet is electrically connected with the PCB board, the cold end is connected with the flat heat pipe, and the hot end is connected with the rear shell. The filter and the use method thereof passively and actively dissipate heat for the control chip, thereby greatly improving the heat dissipation effect of the control chip. The middle part of the flat heat pipe is suspended, direct contact between the cold source and the heat source is avoided, the heat transfer effect of the flat heat pipe is improved, and the heat dissipation of the control chip is strengthened.

This invention discloses an inclined falling film generator that enhances the heat and mass transfer of ammonia water through ultrasonic oscillation atomization coupling. The generator includes a housing containing several inclined falling film tubes. A downward-flowing falling film solution flows outside the tubes, while an upward-flowing heat source flows inside. The falling film solution is heated by the heat source, generating rising vapor that exits at the top of the generator. Multiple sets of ultrasonic atomizers and ultrasonic oscillators are spaced apart on the outside of each falling film tube. The high-frequency ultrasonic atomizers atomize the falling film solution into fine droplets, which exchange heat and mass with the rising vapor whose temperature decreases progressively along the falling film height, thus improving the purity of the generator outlet and reducing irreversible losses. The medium- and low-frequency ultrasonic oscillators enhance internal disturbances in the solution, strengthening heat and mass transfer. This invention effectively utilizes the stepped heat distribution of the rising vapor within the generator, improving the purity and quality of the generator outlet, enabling miniaturization of the generator equipment and improving system performance.

This utility model discloses a side-blowing spray gun for a smelting furnace, comprising a gas injection pipe and an oxygen-enriched spray pipe nested inside the gas injection pipe. A nozzle is installed at the inlet of the oxygen-enriched spray pipe, located inside the gas injection pipe at a distance of 15-30 mm from the inlet. A gas collecting chamber is provided at the end of the gas injection pipe, and a gas connector is connected to the gas collecting chamber. A connecting seat is provided at the end of the gas collecting chamber, and this connecting seat is bolted to a sealing flange located at the end of the oxygen-enriched spray pipe. This utility model solves the problems of short service life, natural gas leakage, and poor safety performance of existing spray guns, and has the advantages of simple structure, low cost, strong stirring power of the molten pool, good smelting effect, low energy consumption, and long service life.

This invention discloses a biomimetic honeycomb microchannel and cylindrical pin-fin hybrid heat sink, comprising: a housing with a working fluid inlet and an outlet spaced apart thereon; a plurality of first diversion protrusions, divided into two longitudinally spaced groups, with each group of first diversion protrusions spaced apart from each other within the housing; a plurality of second diversion protrusions, arranged in a honeycomb pattern between the two groups of first diversion protrusions; and a plurality of cylindrical pin-fins, spaced apart from each other in the center of the honeycomb pattern formed by the plurality of second diversion protrusions. This invention, by arranging the first diversion protrusions, second diversion protrusions, and cylindrical pin-fins within the housing to create a flow-disrupting structure, can significantly improve the heat transfer performance of the microchannel heat sink in handling chip hotspots, thereby improving the reliability and lifespan of electronic devices.

The utility model provides a rectifying column, rectifying column includes casing, heat exchanger, reflux separation cavity, gas phase export and liquid phase export, reflux separation cavity with heat exchanger sets up in the inside of casing, reflux separation cavity is located heat exchanger below, and reflux separation cavity's top with heat exchanger's bottom is linked together, reflux separation cavity with the casing has the gap to form first fluid channel, reflux separation cavity's bottom is provided with second fluid channel, and second fluid channel is liquid phase channel, gas phase export sets up in reflux separation cavity's upper position, liquid phase export sets up in the bottom of casing, the utility model tower top heat exchanger and reflux separation cavity are built -in in tower top, and are integrated with tower, and the structure is compact, has reduced gas pressure drop loss, and is favorable to the heat transfer and mass transfer of strengthening tower, improves the separation efficiency of tower.

The application discloses a roll-type dryer, which comprises a top plate and a bottom plate, a heat exchange body is connected between the top plate and the bottom plate, a receiving hopper and a secondary steam discharge port are connected to the upper end surface of the top plate, the heat exchange body is vertically connected by multiple heat exchange units with the same size, the heat exchange unit comprises a roll-tube heat exchanger and a material-bearing tube heat exchanger, the material-bearing tube heat exchanger is located below the roll-tube heat exchanger, the roll-tube heat exchanger comprises multiple groups of heat exchange rollers, an internal dust collector is connected to the upper end surface of the heat exchange body, the internal dust collector is fixed on the top plate, the inner cavity of the internal dust collector is communicated with the heat exchange body and the secondary steam discharge port, the lower end surface of the heat exchange body is connected with the bottom plate, a discharge port is arranged on the bottom plate and communicated with the heat exchange body, and a discharger is connected to the discharge port. The application can effectively solve the problems of material agglomeration and thick material layer, realize the timely separation of secondary steam from the material, and improve the material drying effect.

The utility model relates to motor parts field, concretely is a kind of permanent magnet synchronous motor block type injection molding stator, it includes stator body, the permanent magnet of setting in stator body inside: splicing mechanism is set on stator body;Circulating heat dissipation mechanism is set to the outside of stator body;Oscillating plate is set to the inside of circulating heat dissipation mechanism.The utility model is through the setting of assembling mechanism, control card block is clamped into card slot, and it is in the middle of card slot, to can connect two stator body together, repeat operation and form a complete stator, so that the stator is divided into multiple independent arc modules, can simplify the production process of each module, reduce the manufacturing difficulty of whole, each module can be produced and processed respectively, finally again splicing into a complete annular stator, it is favorable to improve production efficiency and product quality, when maintaining, only need to disassemble and replace the module that appears fault, need not to disassemble the whole stator, short the maintenance time.

The utility model provides a prebaked anode roasting detection tool, and relates to the technical field of prebaked anode preparation. The prebaked anode roasting detection tool comprises a box body, wherein the box body is filled with metallurgical scorched particles for pre-embedding a sample. And the material of the box body is the same as that of the roasted prebaked anode. By using the tool, not only is the problem that the sample is easy to lose solved, but also destructive sampling on the anode is not needed during detection, so that the detection cost is greatly reduced.

The utility model provides a photovoltaic module heat dissipation frame relates to photovoltaic equipment technical field, include: photovoltaic board, the edge position of photovoltaic board is provided with the outer frame subassembly, directly with the inner strip frame of outer frame subassembly of photovoltaic board outer end place first sleeve connection, with heat dissipation subassembly and outer frame strip contrast fixed, the fixed component is connected between heat dissipation subassembly and outer frame subassembly, make outer frame subassembly form protection to photovoltaic board outer end, the outer frame subassembly has the installation of convenient heat dissipation subassembly simultaneously, let heat dissipation subassembly close photovoltaic board and contact heat transfer, the back of photovoltaic board installs conducting component simultaneously, let conducting component better heat import heat dissipation subassembly and radiate, and auxiliary component is assisted and let conducting component more closely use, solved the simple heat dissipation structure of current, the heat dissipation structure in the frame position, can not steadily export heat, lead to equipment to photovoltaic board and cause the problem of poor heat dissipation efficiency.