112results about How to "Achieve warm-up" patented technology

The invention belongs to the field of new energy automobile power batteries and the related field of laser welding, and discloses a technological parameter optimization method and system for spot ring light spot laser welding spatter suppression, and the method comprises the steps that the relation between the preheating temperature of an outer ring light beam to a weld joint and welding technological parameters is obtained; establishing optimization constraint conditions of the preheating temperature, and deducing optimization constraint conditions of process parameters; acquiring a preset range of the process parameters; and substituting the technological parameter values in the preset range into optimization constraint conditions of the technological parameters, and combining the technological parameters meeting the preheating temperature into optimized technological parameters. According to the method, by optimizing the preheating temperature of the annular light beam to the welding seam, regulation and control are directly carried out according to key factors for forming spatter, and generation of spatter is effectively restrained; by optimizing technological parameters, the stability of the welding process is improved, and therefore welding defects are reduced.

The invention relates to the technical field of air conditioner heat exchangers, and discloses a heat exchanger assembly for an air conditioner, which realizes uniform distribution of steam at an inlet position, ensures uniform contact between the steam and a heat exchange tube subsequently, and realizes efficient heat exchange between a heat source and a cooling liquid. The baffle plates are arranged in an up-and-down staggered mode to achieve vertical S-shaped flow of steam and are arranged in a left-and-right staggered mode, the two side faces of each spoiler are inclined faces, transverse S-shaped flow of the steam is achieved, it is guaranteed that the contact area of the steam and the heat exchange pipes is larger, the heat exchange effect is good, the spoiler blocks can destroy the boundary layer of steam flow, disturbance on steam flow is increased, and the heat exchange efficiency is improved. The circulation speed during steam heat exchange is slowed down, the contact time of the steam and the heat exchange pipes is prolonged, and the heat exchange effect is further improved; and when condensate water generated after heat exchange is finished flows out, the condensate water is filtered firstly, the heat conduction pipe is prevented from being blocked, the condensate water exchanges heat with the introduced cooling liquid after entering the heat conduction pipe, preheating of the cooling liquid is achieved, and energy waste is reduced.

The invention discloses a welding device for chemical container barrel assembly production, and belongs to the technical field of welding equipment.The welding device comprises a welding box, an inner welding mechanism, an outer welding mechanism and two sets of positioning mechanisms are arranged in the welding box, and the two sets of positioning mechanisms are arranged on the two sides of the outer welding mechanism; the outer welding mechanism comprises a welding frame and an arc-shaped seat, a round hole is formed in the welding frame, and the arc-shaped seat is slidably connected into the round hole; the inner welding mechanism comprises a fixed frame, a movable frame and a mounting disc. The other side of the mounting disc and one side of the arc-shaped base are both connected with welding assemblies. The welding assembly comprises a fixing plate, a mounting plate and a welding gun. Automatic and synchronous welding work of the inner ring and the outer ring of the barrel can be achieved through the inner welding mechanism and the outer welding mechanism, the power and the cooling rate of the welding gun can be automatically adjusted through the linkage mechanism and the adjusting mechanism according to the moving line of the welding gun relative to a workpiece, and uniform and efficient welding work is guaranteed.

The utility model relates to the technical field of fertilizer fermentation, in particular to a fertilizer fermentation device. Comprising a tank body assembly, a heating assembly, a stirring assembly and a discharging assembly, the tank body assembly comprises a fermentation tank, the heating assembly comprises an air inlet pipe, the stirring assembly comprises a first motor, a pressure detection meter and a temperature detection meter, the discharging assembly comprises a discharging barrel and anti-blocking blades, a tank inner layer is arranged on the inner side of the fermentation tank, and the tank inner layer is arranged on the inner side of the fermentation tank. An electric heating belt is arranged on the outer wall of the tank inner layer, a pressure relief pipe is connected to one end of the fermentation tank, and a stirring rod is connected to the outer wall, away from the stirring shaft, of the sleeve. After the materials are added, operation of the ribbon heater is started, current transversely flows through the PTC material layer from one bus to the other bus, electric energy is converted into heat energy, the tank inner layer is heated, the heat is transmitted to the fermentation cavity, and the fermentation cavity is heated to facilitate activation and maintenance of the activity of beneficial microorganisms. Therefore, the decomposition of organic substances is accelerated.

The utility model relates to the technical field of industrial gas purification and heat energy recovery, and discloses a volatile organic compound-containing gas purification and heat recovery system, which comprises an oxygen supply element, an oxygen dilution device, a raw material gas mixing tank, a heat storage type thermal oxidation furnace, a waste heat recovery device and a purified gas mixing device which are communicated in sequence, wherein the raw material gas mixing tank is provided with an inlet of gas containing volatile organic compounds; and an outlet of the heat accumulating type thermal oxidation furnace is connected with an inlet of the oxygen diluting device and an inlet of the purified gas mixing device. According to the purification and heat recovery system for the gas containing the volatile organic compounds, the gas containing the volatile organic compounds is removed, heat exchange is carried out on cold water in the waste heat recovery device through high-temperature purified gas generated by the heat storage type thermal oxidation furnace, and the energy recovery utilization rate is increased; meanwhile, part of purified gas is returned to the oxygen dilution device, so that the utilization rate of oxygen is increased.

The invention provides a hydrogen fuel cell combined cooling heating and power system and a control method thereof. The system comprises a thermoelectric refrigeration device, a heat supply branch and a cooling branch, the first heat supply branch in the heat supply branches is composed of a thermoelectric refrigeration device, a heat exchanger and a hydrogen fuel cell and used for starting preheating of the hydrogen fuel cell. The second heat supply branch is used for recycling heat; a first cooling branch in the cooling branches consists of a thermoelectric refrigeration device, a cold exchanger, a heat exchanger and a hydrogen fuel cell, and is used for cooling the hydrogen fuel cell when the heat dissipation system fails; the second cooling branch consists of a thermoelectric refrigeration device, a cold exchanger, an inlet air compression device and a hydrogen fuel cell and is used for cooling inlet air of the hydrogen fuel cell; the third cooling branch is used for recycling cold energy; and the power supply branch is used for providing electric energy input for the hydrogen fuel cell. A complex inlet air cooling system of the hydrogen fuel cell is removed, the refrigerating and heating response speed is high, and safe operation of the hydrogen fuel cell system is guaranteed.

The invention provides a microwave low-noise amplifier, and relates to the technical field of amplifiers. The microwave low-noise amplifier comprises an amplifier body, wherein the amplifier body is provided with a shell and a circuit board arranged in the shell; the cold and heat conduction mechanism comprises a cooling fin and a circuitous pipe, the cooling fin is arranged between the inner bottom surface of the shell and the lower surface of the circuit board, and the circuitous pipe is connected to the cooling fin; and the semiconductor chilling plate is arranged in the shell, the hot end of the semiconductor chilling plate is used for feeding hot air into the circuitous pipe, and the cold end of the semiconductor chilling plate is used for feeding cold air into the circuitous pipe. According to the low-temperature amplifier, hot air is fed into the concentric-square-shaped pipe through the semiconductor chilling plate, so that heating of the cooling fins is achieved, when the amplifier body is used in a low-temperature environment, heat can be transferred to the circuit board through the cooling fins before the amplifier body works, preheating of the circuit board is achieved, and the stability of the amplifier body during follow-up work is improved.

The invention discloses a power battery heat preservation system and a control method thereof, electronic equipment and an automobile. The control method comprises the steps that a whole automobile key insertion signal is detected, and when the key insertion signal is invalid, whether a first diesel heating switch signal is valid or not is judged; if the first firewood heating switch signal is valid, the system enters a firewood heating mode, the all-in-one controller, the whole vehicle controller, the battery management system and the firewood heating controller supply power, and whether the second firewood heating switch signal is valid or not is judged; if the second diesel heating switch signal is valid, whether a diesel heating sleep mode signal is valid or not is judged, if the diesel heating sleep mode signal is valid, the system enters a diesel heating sleep mode, and the all-in-one controller, the whole vehicle controller, the battery management system and the diesel heating controller are powered off; in the diesel heating sleep mode, the main controller is not awakened, whether the sleep duration of the system is larger than a threshold value or not is judged, and if the sleep duration of the system is larger than the threshold value, the system enters the diesel heating mode again. The firewood heater is automatically adjusted, and the intelligent automation degree of the system is improved.

The invention relates to the field of combustion and waste gas treatment, in particular to an integrated low-NOx self-preheating combustion device. The system comprises a combustor, a controller, a heat exchanger and a waste gas purifier, the combustor provides combustion air and fuel gas for a combustion chamber, the controller ignites mixed gas, the waste gas purifier recycles and purifies waste gas, the heat exchanger preheats the combustion air, and the invention further relates to specific structures and connection modes of various components. According to the device, the technical effects that the heat in the waste gas is effectively recycled to preheat the combustion-supporting air while the kiln is heated, the energy utilization rate is increased, NOx in the waste gas is reduced into N2 and O2 through the purification filter element, and NOx emission is reduced are achieved.

The invention relates to a three-screw extruder for master batch preparation, and belongs to the technical field of screw extruders, the three-screw extruder comprises a machine barrel, three extrusion screws are rotatably arranged in the machine barrel, one end of the machine barrel is connected with a die head, the die head is connected with a cutter assembly, and the end, away from the die head, of the machine barrel is connected with a driving assembly used for controlling the three extrusion screws to rotate. A feeding hopper is installed on the machine barrel, a vortex tube is installed on the machine barrel, a conveying assembly is arranged on the machine barrel, the conveying assembly is used for collecting gas exhausted by an exhaust pipe of the machine barrel and conveying the gas to the vortex tube in a pressurized mode, hot gas is exhausted from one end of the vortex tube, and the feeding hopper is heated through the conveying assembly. Meanwhile, the heated hot air is mixed with air exhausted by an exhaust pipe of the machine barrel through the conveying assembly, and cold air is exhausted from the other end of the vortex tube and is used for carrying out auxiliary cooling on cooling water in the cutter assembly through the conveying assembly. The device has the effects of recovering and utilizing the gas in the exhaust pipe of the machine barrel and reducing the pollution to the factory environment.

The invention provides a preheating method of a magnetic suspension motor and the magnetic suspension motor, and the method comprises the steps: controlling the input current of a radial bearing coil, enabling a rotor to carry out the circular motion in a first plane, and enabling the first plane to be a plane perpendicular to the axis of the rotor; the input current of an axial bearing coil is controlled, so that the rotor does circumferential motion in the first plane and does axial motion in the axial lead direction of the rotor at the same time, and eddy current is generated; a rotor is preheated through eddy current, and the rotor is made of metal materials. By changing the input current of the original radial bearing coil and axial bearing coil in the magnetic suspension motor, the eddy current is generated at the position of the rotor, the rotor is preheated by using the eddy current, an additional heating structure does not need to be added, the design structure of the magnetic suspension motor does not need to be changed, and stable and efficient operation of the magnetic suspension motor is ensured.

The invention relates to a distributed comprehensive power generation system which comprises a fuel cell, a first heat exchanger, a second heat exchanger, a first air supply source, a second air supply source and a dryer, and the tube pass of the first heat exchanger is communicated with the first air supply source and an inlet of an anode chamber of the fuel cell; the tube pass of the second heat exchanger is respectively communicated with the second gas supply source and the inlet of the cathode chamber of the fuel cell, and the shell pass inlet of the first heat exchanger and the shell pass inlet of the second heat exchanger are respectively communicated with the outlet of the fuel cell; and a shell pass outlet of the second heat exchanger is communicated with an inlet of the anode chamber through the dryer. The distributed integrated power generation system provided by the invention can realize efficient utilization of energy.

The invention belongs to the technical field of non-portable lighting devices, and particularly relates to a self-adaptive temperature adjusting type light and shadow lamp and a control method thereof.The self-adaptive temperature adjusting type light and shadow lamp comprises a bulb base, an assembly cavity is formed in the bulb base, a mounting barrel is arranged in the assembly cavity, the assembly cavity is divided into an outer cavity and an inner cavity by the mounting barrel, and the outer cavity and the inner cavity are communicated with each other; a heat dissipation piece is arranged on the side wall of the inner cavity, and a heat conduction plate is arranged at the top of the mounting cylinder; the LED lamp panel is arranged on the mounting cylinder and located in the outer cavity; the heat conduction piece is arranged in the inner cavity; and the control module is configured to regulate and control the upward moving distance of the heat conduction piece according to temperature data obtained by the temperature sensor so as to stabilize the working temperature of the LED lamp panel. Preheating or heat dissipation of the LED lamp panel is achieved through different ascending distances of the heat conduction piece driven by the driver.

The utility model discloses a pipe fitting machining fixing tool which comprises a fixing base, a fixing frame plate is fixedly installed in the middle of the left end of the fixing base, a movable frame plate is arranged at the right end of the interior of the fixing base, and the bottoms of the front end and the rear end of the movable frame plate are in driving connection with clamping units arranged at the front end and the rear end of the interior of the fixing base respectively. Sealing rotating seats are arranged on the tops of the opposite sides between the movable frame plate and the fixed frame plate in a bilateral symmetry mode correspondingly, and a first conical clamping pipe and a second conical clamping pipe are rotationally installed at the opposite ends of the sealing rotating seats correspondingly. And the pipe fitting is driven to rotate in the machining process, so that the sprayed paint can uniformly cover the surface of the pipe fitting, the machining quality is improved, and in addition, the pipe fitting is heated, so that the drying speed of the pipe fitting after paint spraying is increased, and the paint surface quality is improved.

The utility model relates to the technical field of assembly or welding process equipment, in particular to a roller vertical clamping and positioning tool for assembly and welding, which comprises a pit arranged on an operation site, a centering positioner arranged at the bottom of the pit and a centering clamp arranged on the periphery of the opening of the pit. The centering positioner comprises a centering seat ring and a conical positioning hole formed in the upper end face of the centering seat ring. The centering clamping device comprises a pair of synchronous clamping devices and a pair of V-shaped clamping blocks, wherein the pair of synchronous clamping devices is fixed to the periphery of the pit opening portion of the pit and arranged on the two sides of the periphery of the pit opening portion respectively, and the pair of V-shaped clamping blocks is correspondingly arranged at the front ends of the pair of synchronous clamping devices and used for clamping the outer circle of a roller. According to the utility model, vertical hoisting during roller assembling and welding is facilitated, and the convenience and the production efficiency of roller assembling operation or roller welding operation are improved.

The invention discloses a drying and cooling device for varnished wire processing, and relates to the technical field of varnished wire processing equipment.The drying and cooling device comprises a winding machine, a drying machine and a cooling box, and preheating pipes penetrate through the interior of the drying machine and the interior of the cooling box; and the preheating mechanism comprises a preheating pipe arranged at the feed port of the dryer. By arranging the preheating mechanism, the surface of the varnished wire entering the dryer can be preheated, the varnished wire is usually provided with a coating or a paint layer, the coating is very sensitive to temperature change, if the coating is directly exposed at high temperature, the coating is prone to cracking or peeling due to thermal shock, and the coating cannot be damaged. The expansion air bag is attached to the outer wall of the enameled wire in an expansion mode, so that the thermal shock effect caused by direct contact with high temperature can be avoided to a certain extent, temperature change is smoother, the risk of coating damage is reduced, and therefore the situation that the enameled wire directly enters a high-temperature drying machine to be dried, and consequently surface coating cracks or blisters or falls off is avoided; therefore, the molding effect of the dried enameled wire is improved.

The utility model relates to the technical field of resistance furnace devices, and discloses a high-temperature box-type resistance furnace with a waste heat recovery function, which is characterized in that the front side of a furnace body assembly is fixedly provided with a convenient door opening and closing assembly, and the top of the furnace body assembly is fixedly provided with a hot gas collecting and filtering assembly; the tail end of the hot gas collecting and filtering assembly is fixedly provided with a recycling conduction assembly, and the tail end of the recycling conduction assembly is connected to the bottom of the furnace body assembly. According to the waste heat recovery device, the recovery conduction assembly is installed on the waste heat recovery device, so that when the waste heat recovery device is used, recovered waste heat can be converted through the arranged recovery conduction assembly and conducted to the interior of the furnace body, and therefore recovered smoke heat can be transmitted to air or other media around the furnace body; therefore, the media are preheated, the preheated air or media can be used for other technological processes or enter the resistance furnace again to participate in the combustion or heating process, the energy utilization efficiency is improved, and energy consumption is reduced.

The utility model discloses a combined type evaporator and a heat storage and supply system, the combined type evaporator comprises a shell and an overheat section shell section arranged on the shell, a gas phase space and a liquid phase space are distributed in the shell up and down, a preheating tube bundle is arranged in the gas phase space, an evaporating tube bundle is arranged in the liquid phase space, an overheat tube bundle is arranged in the overheat section shell section, and the preheating tube bundle is arranged in the liquid phase space. A steam injection pipe used for preheating feed water is further arranged in the liquid phase space. According to the utility model, the evaporator can be preheated without arranging a starting electric heater and a starting circulating pump, and the evaporator does not need to be arranged at a high position, so that the system structure is simplified, the construction cost is reduced, and the heat storage function is also realized.

The present invention discloses a roller quenching process and equipment for preventing quenching cracking, and relates to the field of metal processing technology, including a base and a heating component, wherein support seats are arranged on both sides of the top of the base, and a slide groove is arranged at the outer end of the support seat, and a displacement component is arranged at the outer end of the slide groove. The present invention can drive the roller to rotate at high speed through the operation of the second motor, and at the same time, the first motor rotates forward and reversely in a small range, so that the roller can swing in a small range in a cycle in the quenching box, and the contact area between the cooling oil and the roller can be reduced by rotating the roller at high speed and swinging in a small range, and the speed of the first motor and the second motor in this process will gradually decrease, so that the contact area between the cooling oil and the roller can be gradually increased. Through the above design, the contact area between the roller assembly and the cooling oil can be increased during the quenching process, so that the slow cooling effect of the roller can be achieved, which can avoid the situation that the roller cracks due to excessive temperature difference during quenching.

The present invention relates to the technical field of photovoltaic panel processing, and specifically to a packaging device for energy-absorbing photovoltaic cells, comprising a mounting frame, a conveying roller rotatably arranged inside the mounting frame, a driving motor for driving the conveying roller to rotate, and a transmission belt for sequentially transmitting and connecting the conveying rollers, a packaging shell is arranged above the mounting frame, a feeding port is arranged on one side of the packaging shell, a discharging port is arranged on the other side of the packaging shell, two electric heating rollers are rotatably installed inside the packaging shell, and both of the two electric heating rollers are hollow structures; the present invention can preheat the photovoltaic panel to be packaged by blowing with high-temperature air before the photovoltaic panel to be packaged is extruded and packaged, and can also clear the dust on its surface, and secondly, after the photovoltaic panel to be packaged leaves the extrusion packaging process, it can continue to be blown with high-temperature air to avoid rapid cooling of the adhesive film to generate bubbles.

The invention relates to the technical field of fuel particle machines, in particular to a biomass fuel particle machine which comprises a shell, a first extrusion ring and a second extrusion ring. A first extrusion ring is connected in the shell; a plurality of first extrusion holes are formed in the first extrusion ring; the first extrusion ring is attached to the extrusion wheel; a second extrusion ring is connected in the shell; the second extrusion ring is larger than the first extrusion ring in diameter; a plurality of second extrusion holes are formed in the second extrusion ring; and each second extrusion hole corresponds to the position of the adjacent first extrusion hole. The hot air blown out by the hot air blower is blown to the connecting cylinder, so that the connecting cylinder is heated by the hot air, then heat is transferred to the remaining material bars in the connecting cylinder, the temperature of the material bars is increased, preheating of the material bars in the connecting cylinder is achieved, cohesion of the material bars is improved, and the situation that the material bars are broken during cutting is prevented.

The utility model discloses a welding device for a transformer shell, which comprises a welding platform comprising a welding position, a positioning component and a heating component, the positioning component comprises a positioning driving part and a positioning plate, and the height of the positioning plate is smaller than that of the transformer shell; the heating assembly comprises a heating driving part and an electromagnetic heating plate, the heating driving part can drive the electromagnetic heating plate to move to cover the transformer shell on the welding position or stagger the transformer shell on the welding position, and the lower surface of the electromagnetic heating plate is flush with the upper surface of a workpiece in the welding position; and the welding assembly is located above the welding platform and comprises a welding head and a welding driving piece, and the welding driving piece can drive the welding head to move along a preset welding track. The transformer shell in the welding position is preheated through the electromagnetic heating plate, it is ensured that the temperature of the welding face is increased before welding, damage to the transformer shell caused by the instantaneous welding temperature is avoided, and the welding quality is improved.

The application discloses a calcination process system for producing light-burned MgO by using millimeter-sized granular materials, and relates to the technical field of light-burned MgO production. The system comprises a combustion system, a control system and a feeding box, the feeding box is provided with a feeding line below, two groups of feeding plates are arranged in the feeding box, a feeding cylinder is arranged on one side of the feeding box, a supporting platform is arranged on one side of the feeding cylinder, an input cylinder, an intermediate cylinder and an output cylinder are sequentially arranged on the supporting platform, the input cylinder, the intermediate cylinder and the output cylinder are connected with the combustion system, a discharging box is arranged on one side of the output cylinder, and a vibrating screen is arranged below the discharging box. The guide plates on the feeding plates not only realize the flow guiding and flow dividing of the light building materials, but also realize the preheating of the light building materials, so that the combustion time of the light building materials by the combustion system is shortened, and the working efficiency of the calcination is improved.

The invention discloses an efficient drying device for powdery raw materials, and relates to the field of strontium titanate powder processing. The efficient drying device for the powdery raw materials comprises a drying bin and a powder washing pool arranged at the front end of the drying bin, and a circulating conveying belt is arranged in the drying bin; the circulating conveying belt comprises a feeding position, a draining position, a drying position, an ascending position and a discharging position. According to the efficient drying device for the powdery raw materials, a metal filtering fine net on the circulating conveying belt enters the powder washing pool to fish out a layer of thin and uniform strontium titanate wet materials, and then the strontium titanate wet materials sequentially pass through the draining position, the drying position, the ascending position and the discharging position along with the circulating conveying belt to complete dehydration and drying of the strontium titanate materials; and the strontium titanate powder and the circulating conveying belt are subjected to vertical position exchange, so that the strontium titanate powder and the circulating conveying belt are downwards poured to the discharging conveying belt, finally discharging is completed, the purpose of circulating continuous operation is achieved, the materials are dried in place at a time, repeated drying is not needed, and the problem of caking of large wet strontium titanate materials is avoided.

The invention relates to the field of electrical equipment, and discloses a heat exchange system, water purification equipment and a control method. The heat exchange system provides large-flow boiled water, shortens the waiting time of a user for taking the boiled water, can provide warm boiled water at different temperatures, conforms to water drinking habits of Chinese people, can preheat normal-temperature water through the boiled water, and improves the heating efficiency. The heat exchange system comprises a water supply module, a heating module, a heat exchange module, a temperature detection part, a heat preservation part and a control unit, the heating module is communicated with the water supply module and used for heating normal-temperature water or preheated warm raw water into boiled water, and the heat exchange module is communicated with the water supply module and the heating module and used for heating the boiled water. The boiled water is used for preheating normal-temperature water, storing the preheated warm raw water, cooling the boiled water into warm boiled water and storing the warm boiled water, the heat preservation part is arranged on the heat exchange module and used for conducting heat preservation on water in the heat exchange module, the signal input end of the control unit is electrically connected with the temperature detection part, and the signal output end of the control unit is electrically connected with the water supply module and the heating module.

The invention relates to a production and processing method of enzyme essence, which is used in cooperation with production and processing equipment of enzyme essence, and comprises a separation tank, a stirring unit and the like. A stirring unit for stirring the morinda citrifolia enzyme stock solution is connected to the separation tank. Hot air is injected into the heat preservation layer through the air inlet pipe, heating of the separation tank and preheating of the morinifolin stock solution are achieved, the preheating process of the morinifolin stock solution is isolated from the outside, accurate temperature control over preheating of the morinifolin stock solution is facilitated, the morinifolin stock solution is poured into the vertical cylinder through the through hole in the drainage piece, and the morinifolin stock solution is prevented from being separated from the outside. According to the morindae raw liquid filtering device, the morindae raw liquid is poured on the position, close to the middle, of the filtering piece, particle impurities in the morindae raw liquid are effectively intercepted and filtered, then the morindae raw liquid flows from bottom to top in the backflow pipe, secondary filtering of the morindae raw liquid is achieved at the position of the filtering cloth at the pipe opening of the backflow pipe, impurities in the morindae raw liquid are effectively reduced, and the filtering efficiency of the morindae raw liquid is improved. And the taste and the quality of the product are ensured.

The utility model discloses a kind of hydrogen purification devices, it includes 2 or more parallel hydrogen purification units, raw material main pipeline, purified hydrogen pipeline and relaxation separation tail gas pipeline, the hydrogen purification unit includes metal hollow fiber membrane assembly, heating component, the upper flange with gas outlet for discharging purified hydrogen, the intermediate flange with heat exchange jacket, and the shell with lower flange, the upper flange with gas outlet, the intermediate flange with heat exchange jacket and the shell with lower flange are connected airtight by nut, the shell with lower flange is located in the heating component. By adopting the hydrogen purification device of the utility model, crude hydrogen raw gas is first passed through heat exchange jacket before being purified using metal hollow fiber membrane assembly, heat exchange is carried out using heat exchange jacket, preheating of raw gas can be achieved, energy efficiency is improved, while helping to maintain system thermal balance, reducing equipment depreciation and operating risk caused by temperature fluctuation, enhancing the safety of the device.

The utility model discloses a separation circulating device and gasification kettle, separation circulating device includes heating case, heat exchange structure, circulating pump and air sending structure, heating case is used for containing and heating heat exchange fluid, heat exchange structure is equipped with installation site and heat exchange position, and has the heat exchange flow channel that passes through installation site and heat exchange position, and both ends of heat exchange flow channel all communicate heating case, circulating pump communicates heat exchange flow channel, is used for driving heat exchange fluid and circulates flow between heat exchange flow channel and heating case, air sending structure is installed in heat exchange structure, and is located installation site, and has air sending flow channel and air sending mouth, and air sending mouth communicates air sending flow channel, is used for output air. The scheme can heat air and liquid light hydrocarbon simultaneously through heat exchange structure, realizes air preheating, avoids cold air to directly contact liquid light hydrocarbon and absorbs light hydrocarbon heat, and guarantees liquid light hydrocarbon and heat exchange structure effective heat exchange, and then improves light hydrocarbon gas production efficiency, and the device is relatively compact, saves the occupied space.

The invention relates to the technical field of polyester fabric production and processing, in particular to antibacterial and deodorant polyester fabric and a preparation process thereof.The antibacterial and deodorant polyester fabric comprises a processing table, a humidifying chamber and an ironing chamber are arranged above the processing table, and an extrusion frame, a water storage base, an upper spray head, a lower spray head, a second guide roller and a first guide roller are arranged in the humidifying chamber; a second control valve pump is arranged in the water storage base, a connecting pipe opening is formed in the surface of the water storage base, a transverse plate is arranged at the connecting pipe opening, a lower spray head is arranged on the transverse plate, a collecting barrel is arranged under the humidifying chamber, a water storage barrel is arranged above the humidifying chamber, an extrusion roller is arranged in the extrusion frame, and an ironing platform is arranged in the ironing chamber. A rotating roller is arranged on the ironing platform, and a first side plate and a second side plate are arranged on the two sides of the ironing platform; the antibacterial deodorant fabric has the beneficial effects that the breeding of bacteria in the fabric is better inhibited by adding the bamboo fibers into the fabric, and the antibacterial deodorant performance of the fabric is enhanced.

The present application discloses a vinegar myrrh preparation process, which belongs to the field of medicinal material processing. A vinegar myrrh preparation process comprises the following steps: S1. Take wheat bran water, add protease to the wheat bran water for enzymolysis, then boil and kill the enzyme, collect the water layer and solid residue respectively, add alcohol solvent to the water layer to produce precipitate, dry the precipitate as the first extract, and wash the solid residue with water and dry it as the second extract; S2. Mix the first extract, the second extract and hydroxypropyl methylcellulose with water to obtain a fiber auxiliary material, stir the fiber auxiliary material with myrrh, make the fiber auxiliary material attached to the surface of the myrrh, and then heat it at 80~85℃ for 30~40min; S3. Rinse the myrrh with water to remove the attachments on the surface of the myrrh, and then add the vinegar solution to the myrrh to simmer; S4. The simmered myrrh is fried at 150±5℃ for 20~30min, and the vinegar myrrh is obtained after cooling. The present application has the advantage of reducing the agglomeration of myrrh during preparation.