44results about How to "Improve purging effect" patented technology

The invention relates to the technical field of gas sensors, in particular to a gas detector and a detection method.The gas detector comprises a body and further comprises a filter screen, a sensing element, a driving assembly and a gas pump assembly.The bottom of the body is provided with a gas inlet and a gas outlet; the driving assembly and the air pump assembly are arranged in the body, one end of the driving assembly is used for driving the filter screen to horizontally rotate, and the other end of the driving assembly is used for driving the air pump assembly to perform suction action; one end of the air pump assembly is used for blowing air towards the air inlet so as to blow away dust at the bottom of the filter screen or sucking external air into the air outlet, and the other end of the air pump assembly is used for blowing air towards the air outlet so as to blow away dust at the bottom of the filter screen; the air suction and blowing structure is arranged to blow and clean the filter screen, so that the filter screen is not prone to being blocked, the frequency of manual maintenance is reduced, and the burden of maintenance work is relieved.

The invention discloses a pulse blowing and cleaning device for a spinneret plate. The blowing and cleaning device comprises a first bearing seat, an air supply assembly, a first blowing assembly, a second blowing assembly and an elastic part, wherein the first bearing seat can generate linear displacement; at least part of the air supply assembly is arranged on the first bearing seat; according to the device, through organic combination of all the components, pulse type blowing of the spinneret plate is achieved, the blowing angle of blowing airflow can be changed, and the blowing effect is improved; the operation is simple, the second bearing seat and the third bearing seat are in butt joint and fit through external force, then the air source is started to realize automatic purging and cleaning, the purging efficiency is high, the purging effect is good, the blown impurities cannot be dissipated everywhere, the utilization rate of the air source is high, the purging height can be adjusted, and the practicability is high. The device is suitable for blowing and cleaning spinneret plates of different specifications.

A liquid cargo ship cabin sweeping system meeting MARPROL requirements is characterized in that a liquid cargo deep-well pump and a heater are located in a cargo cabin area, the liquid cargo deep-well pump is provided with a cabin sweeping connector and a liquid cargo connector, the liquid cargo connector is connected with an inlet of the heater through a pipeline, the cabin sweeping connector is connected with a cabin sweeping pipeline and a liquid cargo discharging main pipe, and the liquid cargo discharging main pipe is connected with a liquid cargo collecting pipe area main pipe; the liquid cargo collecting area main pipe is provided with a liquid cargo by-pass pipeline, and the sweeping pipeline is communicated with the liquid cargo by-pass pipeline. A liquid cargo pump sweeping discharge valve is arranged at the position, close to the sweeping connector, of the sweeping pipeline, and a liquid cargo pump sweeping discharge valve is arranged at the position, close to the sweeping connector, of the liquid cargo discharge main pipe. According to the system, the special small-opening sweeping pipeline is additionally arranged in the system, liquid cargos are swept from the collecting pipe area to the cargo hold area and discharged out of the main pipe, the accumulated liquid cargos are discharged into the small-opening sweeping pipeline, the pipeline sweeping time is shortened, the workload of operators is reduced, the good sweeping effect can be achieved, and the standard requirement is met.

The invention discloses semiconductor process equipment and a sealing door mechanism thereof, and belongs to the technical field of semiconductors. The sealing door mechanism is used for sealing a first opening of a process chamber of the semiconductor process equipment, the sealing door mechanism comprises a sealing disc, a sealing piece and an isolation pad, the sealing disc is used for sealing the first opening of the process chamber, the heat insulation plate is arranged on the upper surface of the sealing disc, a purging gap is formed between the sealing disc and the heat insulation plate, and the heat insulation plate is provided with a second opening. And the second opening is communicated with the purging gap. The semiconductor process equipment comprises the sealing door mechanism and a process chamber, the process chamber is provided with a first opening, and the sealing door mechanism is used for sealing the first opening. According to the arrangement, the sealing door mechanism is used for sealing the first opening of the process chamber, no wafer boat exists in the process chamber in the purging state, the wafer boat does not influence the flow speed of purging gas and the purging uniformity, the dead-corner-free purging process is achieved, and the purging effect and the purging efficiency are improved.

The invention relates to the technical field of constructional engineering, and provides a wall defect detection device for high-rise building wall evaluation, which comprises an L-shaped support frame, a driving mechanism is arranged at the rear end in the L-shaped support frame, the driving mechanism comprises a servo motor I, the front end of the servo motor I is fixedly connected to the middle of the rear end of the L-shaped support frame, and the front end of the servo motor I is fixedly connected to the rear end of the L-shaped support frame. The outer side of the threaded rod is in threaded connection with a sliding block, the outer side of the first connecting rod is rotationally connected with a connecting plate, the upper portion in the connecting plate is rotationally connected with a first rotating rod, the front portion of the outer side of the first rotating rod is rotationally connected with a vertical plate, the bottom end of the vertical plate is fixedly connected with a transverse plate, and the middle of the top end of the transverse plate is fixedly connected with an infrared thermal imager. The wall body can be scanned in the vertical direction through the driving mechanism, meanwhile, the motion range in the vertical direction can be adjusted according to the height of the wall body so as to meet various detection requirements, the situation that the scanning range needs to be increased by increasing the distance from the wall body is avoided, and then the situation that imaging is not clear when the distance is long is avoided.

The invention relates to the technical field of LNG pipelines, and discloses an LNG pipeline cold insulation structure self-adaptive online repair purging device which comprises a gas inlet mechanism, purging mechanisms are installed on the inner side of the gas inlet mechanism at equal intervals, and self-adaptive supporting mechanisms are installed on the outer side of the gas inlet mechanism at equal intervals. Each self-adaptive supporting mechanism is connected with the blowing mechanism, the lower end of the air inlet mechanism is in threaded connection with a supporting frame, a driving mechanism is installed at the lower end of the supporting frame, and a guide rail mechanism is arranged at the lower end of the driving mechanism. Through mutual cooperation of the air inlet mechanism, the self-adaptive supporting mechanism and the purging mechanism, effective multiple defrosting purging can be conveniently carried out on the surface of the LNG pipeline, the purging effect is effectively improved, and the online repairing effect of the LNG pipeline cold insulation structure is improved.

This invention discloses a testing device and method for liquid crystal display modules, relating to the field of liquid crystal display module testing technology. The device includes a base, a flipping bracket, a housing, and a testing platform. The testing platform is equipped with a bidirectional clamping device driven by a first motor for automatically clamping the liquid crystal display module for bending resistance testing, and an auxiliary bending mechanism to ensure uniform force distribution. The housing also houses a click-resistance testing mechanism, including an electric hammer, a pressure sensor, and a displacement sensor, for testing the screen's resistance to click pressure. After testing, debris is automatically removed by a multi-stage cleaning mechanism including a scraper and a spray nozzle. When the testing platform flips, the spray nozzle moves closer to the testing platform to improve the cleaning effect. This invention features a high degree of automation, integrating bending resistance testing and click testing, providing accurate testing and thorough cleaning, effectively improving the efficiency and safety of liquid crystal display module mechanical performance testing.

The utility model relates to an integrated membrane component which is characterized by comprising a membrane curtain, water collecting chambers are arranged at the upper end and the lower end of the membrane curtain, water producing channels communicated with the upper water collecting chamber and the lower water collecting chamber are arranged on the left side and the right side of the membrane curtain, membrane wires are arranged between the upper water collecting chamber and the lower water collecting chamber, and a clamping groove is formed in the bottom of the lower water collecting chamber; the top of the pulse aeration device is provided with a buckle matched with the clamping groove in the bottom of the lower water collection chamber, and the membrane curtain and the pulse aeration device are detachably connected through the clamping groove and the buckle.

The present invention belongs to the technical field of fuel cells, and discloses a bionic peregrine falcon flow channel structure of a proton exchange membrane fuel cell, the upper surface of which is a periodic structure composed of a plurality of asymmetric waveform units with streamlined shapes of the abdomen of a bionic peregrine falcon, and the lower surface is horizontal. The three-dimensional structure flow channel of the present invention is applied to the bipolar plate of a proton exchange membrane fuel cell, which can not only force the reaction gas to impact the membrane electrode, making it easier to enter the interior of the battery, easier to diffuse evenly, forcing more oxygen to enter the catalyst layer, increasing the oxygen concentration of the battery catalyst layer, and increasing the maximum power density of the battery, but also can generate a horizontal fast airflow, which has a purging effect on the generated liquid water, and has excellent water removal ability, and can also use its drag-reducing streamlined structure to greatly reduce the pressure drop difference of the flow channel, reduce the parasitic power of the system, and improve the comprehensive performance of the fuel cell.

The invention provides a gas purity detection device which comprises a base, a shell and a controller, a gas storage tank is arranged on the base, an air cylinder is arranged in the shell, a first piston is arranged in the air cylinder, a first electromagnetic valve and a pressure sensor are arranged on the first piston, the first piston is connected with a push plate through a piston rod, and the push plate is connected to the air cylinder through a first electric push rod. A second electromagnetic valve and a third electromagnetic valve are arranged on the side wall of the air cylinder, the second electromagnetic valve is communicated with the air storage tank through a sampling pipe, the third electromagnetic valve is communicated with the steam cylinder through a steam pipe, a fourth electromagnetic valve and an air outlet valve are arranged on the other opposite side wall of the air cylinder, the fourth electromagnetic valve is communicated with a pure air compression cylinder through a pure air pipe, and the air outlet valve is communicated with an air bag through an air outlet pipe. The other end, opposite to the air outlet pipe, of the air bag is connected to the detection cavity through a catheter. The internal pipeline can be purged according to the weight change of the weighing sensor, and the pipeline is kept clean; pure single gas and water vapor are adopted for calibration, the detection precision is kept stable, and the maintenance cost is reduced.

The utility model belongs to the technical field of nitrogen purging devices, and particularly relates to a heatable nitrogen purging device which comprises a purging instrument main body, a control panel is fixedly mounted on one side of the purging instrument main body, gas delivery pipes are uniformly arranged at the top end of the purging instrument main body, the bottom ends of the gas delivery pipes are connected with moving pipes, and the moving pipes are connected with the control panel. The purging instrument comprises a purging instrument main body, the purging instrument main body is provided with a plurality of movable pipes, the inner walls of the movable pipes are provided with mitigation assemblies, the outer walls of the movable pipes are provided with lifting assemblies, the bottom ends of the movable pipes are fixedly provided with gas needles, and one side of the purging instrument main body is provided with a water bath mechanism. The flow limiting plates are mutually folded and abutted to form a narrow-mouth cylinder, so that the flow in the moving pipe is reduced, the stability and the reliability of purging work are improved, the purity of a sample is ensured, and the purging effect of the sample is improved.

The invention belongs to the technical field of air knives, and particularly relates to a wiredrawing annular blowing air knife which comprises an air inlet pipe, a shell and a cover body, one end of the air inlet pipe is connected with a fan, the other end of the air inlet pipe is installed on the shell, a wire inlet hole penetrates through the middle of the cover body, a wire penetrating part is arranged in the shell, and a gas compression cavity communicated with the air inlet pipe is formed between the wire penetrating part and the inner wall of the shell. The threading part comprises a connecting piece, a first threading part and a second threading part, the first threading part and the second threading part are coaxially arranged, the end part of one end of the first threading part protrudes, the end part of one end of the second threading part is sunken, a gap exists between the protrusion and the sunken part to form an air passing channel, and a mounting hole and a first threading hole which are communicated are sequentially formed in the first threading part; and a second threading hole penetrates through the second threading part. The fan replaces an air compressor to reduce power consumption, gas is pressurized and then purges the surface of the steel wire through the gas channel, and the angle and the gap of the gas channel are set to ensure the purging effect and effectively avoid the problem of crystallization on the surface of the steel wire.

According to the intelligent subway purging system and method, a vehicle bottom intelligent purging unit and a vehicle side intelligent purging unit are arranged to clean a to-be-swept vehicle bottom and a to-be-swept vehicle side respectively and are uniformly controlled by an intelligent dispatching unit to work at the same time, and a control unit controls a corresponding moving unit to act, so that the to-be-swept vehicle bottom and the to-be-swept vehicle side are cleaned. The visual inspection unit is used for carrying out real-time shooting and transmitting to the intelligent scheduling unit to obtain the state of a blown part, a blowing scheme is obtained through analysis, and then the intelligent scheduling unit sends an instruction to the control unit; and the purging unit is controlled to perform automatic purging according to the selected purging scheme, simultaneous intelligent purging of the vehicle bottom and the vehicle side is completed, manual operation is not needed, the labor intensity of operators is reduced, and the purging efficiency of the metro vehicle is improved while the purging effect is improved.

The utility model discloses an electric heating purging device, which belongs to the technical field of waste water concentration and energy conservation and comprises an evaporation cylinder, a slag discharge pipe fixedly mounted on one side of the lower portion of the evaporation cylinder, a water inlet pipe fixedly mounted on one side of the outer portion of the evaporation cylinder, an electric heater fixedly mounted on one side of the evaporation cylinder, and an output end of the electric heater located inside the evaporation cylinder. A blowing pipe is fixedly installed in the evaporation cylinder, one end of the blowing pipe extends to one side of the outer portion of the evaporation cylinder, one end of the blowing pipe communicates with an external air pump, blowing holes are evenly formed in the two sides of the blowing pipe, the electric heater is located on one side of the blowing holes, and an auxiliary cleaning assembly is fixedly installed on the blowing pipe. The auxiliary cleaning assembly is located on the outer side of the electric heater, high-temperature steam is intermittently blown to the electric heater through the blowing pipe, so that attachments on the electric heater can be blown off, damage to the electric heater is reduced, meanwhile, the high-temperature steam drives the transmission fan to rotate, the cleaning brush can be driven to rotate, stubborn attachments can be cleaned, and the blowing effect is improved.

The present invention relates to a rotary air preheater with a steam soot blowing device, comprising a rotor, wherein the rotor is provided with flue gas, primary air and secondary air compartments, a heat exchange element and a steam soot blowing device, wherein the steam soot blowing device is arranged in the cold secondary air inlet air duct of the secondary air compartment, and the steam soot blowing device comprises a steam soot blower, a gun barrel and a nozzle assembly, wherein the nozzle assembly comprises a first nozzle assembly and a second nozzle assembly, wherein in the rotation direction of the rotor, the first nozzle assembly is located upstream of the second nozzle assembly, and the first nozzle assembly comprises a throttling tube and a nozzle; the second nozzle assembly comprises a distribution pipe and a nozzle, and the nozzle jet velocity is less than the nozzle jet velocity. The present invention improves the steam purging conditions, eliminates the influence of the backflow obstruction on the steam jet, improves the purging effect of the ammonium bisulfate deposited ash, reduces the hardness and bonding strength of the deposited ash, improves the shearing and flushing effect of the downstream high-speed and low-temperature steam jet on the deposited ash, and improves the removal effect of the ammonium bisulfate deposited ash.

The invention discloses a sheet strip surface blowing anti-shake device which comprises a main frame mechanism, the main frame mechanism comprises a workbench, the top of the workbench is connected with a supporting frame, the workbench is internally provided with a collecting frame, the top of the collecting frame is provided with a vibration assembly, the supporting frame is internally provided with a blowing assembly, and the supporting frame is internally provided with a conveying assembly. An anti-vibration assembly is arranged at the bottom of the blowing assembly and comprises a pressing plate. By arranging the anti-shake assembly, a certain force can be generated on a pressing plate while a thin plate moves, meanwhile, the pressing plate is stressed to drive a sliding rod to move upwards and extrude a first spring, the first spring can generate a certain resilience force and drive the pressing plate to reset, and the thin plate can be pressed while the pressing plate is reset; and the labor capacity of continuously adjusting the nozzles by workers is greatly reduced, the situation that follow-up rollers are affected by deviation generated when the thin plate is subjected to blowing force is avoided, and the practicability of equipment is greatly improved.

The utility model discloses a sampling pipe reverse blowing device for measuring coke oven gas amount by a pore plate, which relates to the technical field of instrument maintenance and comprises the pore plate, a first pressure tapping pipeline, a second pressure tapping pipeline, a first three-way valve, a differential pressure transmitter, a first heat preservation heat tracing steam pipeline and a second heat preservation heat tracing steam pipeline, one end of the first pressure tapping pipeline is communicated with the coke oven gas pipeline at the front end of the pore plate, one end of the second pressure tapping pipeline is communicated with the coke oven gas pipeline at the rear end of the pore plate, and one ends, far away from the coke oven gas pipeline, of the first pressure tapping pipeline and the second pressure tapping pipeline are communicated with the differential pressure transmitter; the first heat preservation tracing steam pipeline is communicated with the first pressure tapping pipeline, and a fifth valve is arranged on the first heat preservation tracing steam pipeline; the flow measuring device has the advantages that the flow measuring device is simple in structure and convenient to use, and the flow measuring accuracy of the orifice plate can be effectively guaranteed.

The invention discloses a low-pressure double-walled pipe fresh water purge system for a large container ship, wherein the outlet of a methanol daily tank is connected to the inlet of a methanol supply pump, the outlet of the methanol supply pump is connected to the inlet of a heat exchanger, the outlet of the heat exchanger is connected to the inlet of a main engine methanol liquid supply double-walled pipe, the pipeline between the outlet of the heat exchanger and the inlet of the main engine methanol liquid supply double-walled pipe is sequentially connected with a first liquid return pipe and a first fresh water purge pipe, the outlet of the first liquid return pipe is connected to the inlet of a purge and discharge cabinet, a liquid return valve is provided on the first liquid return pipe, the first liquid return pipe between the liquid return valve and the purge and discharge cabinet is connected to a second fresh water purge pipe, the outlet of the main engine methanol liquid supply double-walled pipe is connected to the inlet of the purge and discharge cabinet, the pipeline between the methanol supply pump and the heat exchanger is connected to a second liquid return pipe, the pipeline between the methanol supply pump and the methanol daily tank is provided with a second conversion valve, and the outlet of the purge and discharge cabinet is connected to the second conversion valve. The use of the system improves the purge efficiency of the methanol liquid supply system.

The dust removal device comprises a first synchronous belt, first synchronous belt wheels, a first motor, an air rod and a guide rail, the first synchronous belt is arranged outside the two first synchronous belt wheels in a tensioning mode, one first synchronous belt wheel and the first motor are connected and fixed to the inner wall of an upper shell, and the other first synchronous belt wheel and the first motor are connected and fixed to the inner wall of a lower shell. The other first synchronous belt wheel is fixed to the inner wall of the upper shell through a support, and a mounting plate is fixed to the first synchronous belt wheel. The guide rail comprises a first guide rail and a second guide rail which are parallel to the first synchronous belt, a first sliding block and a second sliding block are arranged on the first guide rail and the second guide rail respectively, the second sliding block is fixedly connected with the mounting plate, the two ends of the air rod are connected with the first sliding block and the mounting plate respectively, an air hole is formed in the air rod, and an air nozzle is arranged in the air hole. The air rod can be connected with an external air source through an air pipe, the first motor rotates to drive the first synchronous belt wheel to rotate to drive the first synchronous belt and the mounting plate to move front and back so as to drive the air rod to move along the guide rail, and meanwhile the air nozzle exhausts air for blowing and cleaning.

The invention discloses a method and a structure for purging an air filter of an air subsystem of a fuel cell. The structure comprises the air filter and a purging mechanism arranged on one side of the air filter, the purging mechanism comprises a three-way valve, a filter pipe arranged between the three-way valve and the air filter, a purging on-off valve arranged on one side of the three-way valve and a flow guide assembly arranged between the three-way valve and the purging on-off valve. A three-way valve is arranged on one side of an air filter, a purging on-off valve is arranged at one end of a flow guide assembly, and the air filter is stopped, so that air enters from the upper side, exits from the right side and blocks the left side of the three-way valve, and air is guided by an air compressor to purge the inside of the on-off valve; therefore, airflow led out by the air compressor reversely enters the air filter through the purging on-off valve, the purpose of purging an inner core body of the air filter is achieved, accumulation on a filter element can be removed through regular purging, the filter element is prevented from being blocked, and the service life of the filter element is prolonged.

The present invention relates to the technical field of automatic car washers, and specifically to a hot air blower for car washers. The hot air blower for car washers comprises a hot air blower and a blowing device, wherein the air outlet device comprises a cleaning liquid injection part and a blowing part, wherein the bottom of the cleaning liquid part is through-connected with the middle of the blowing part, a first air outlet is provided at the lower end of the blowing part, a second air outlet is connected to the lower side of the blowing part, an air volume adjustment component is provided on the first air outlet, and a closing component is provided on the second air outlet. By connecting the blowing device to the hot air blower, and connecting the first air outlet and the second air outlet at the lower part of the blowing device, the air outlet area of ​​the first air outlet can be adjusted, and the excess water on the surface of the car is blown away through the first air outlet, and the remaining water on the surface of the car is dried through the second air outlet, which can greatly improve the drying efficiency of the car washer.

The utility model discloses a kind of pneumatic plug-in plate type insulating doors installed in vertical air duct, comprising: insulating door box, one side is provided with the passage for medium circulation, insulating door box is equipped with door panel track inside;Door panel, install on door panel track, realize the isolation or circulation of medium by linear reciprocating movement on door panel track;Scavenging pipeline, along the inner wall of insulating door box circumferentially arrangement, and in radial four directions of distribution, open blowhole group, each group includes multiple blowhole towards door panel;And, dust collection hopper, fixedly connected in the bottom of insulating door box non-medium circulation side.This pneumatic plug-in plate type insulating door installed in vertical air duct, can realize the purpose of box complete blowing dust, effectively prevent pneumatic plug-in plate type insulating door jamming phenomenon occurs, reliable and practical, maintenance is convenient, with higher performance price ratio.

The invention discloses a sorting device for a silicon wafer sorting machine, and belongs to the technical field of silicon wafer preparation, the sorting device comprises a base, the top of the base is provided with a material conveying mechanism, a blowing cleaning mechanism, an appearance detection mechanism and a resistance detection mechanism, the material conveying mechanism comprises a fixed frame and a movable seat, the movable seat is slidably mounted in the fixed frame, and the fixed frame is provided with a plurality of grooves; the top of the movable seat is connected with a grabbing mechanism, and an adjusting mechanism is arranged on the fixing frame. The adjusting mechanism comprises a transmission gear, a mounting plate and a rack, and the mounting plate is fixedly mounted at the top of the fixing frame. Dust on the surface of a silicon wafer can be detected, blown and cleaned through the blowing and cleaning mechanism and the appearance detection mechanism, the silicon wafer is repeatedly blown and cleaned when it is detected that the dust exceeds the standard, the blowing strength can be gradually improved while the silicon wafer is repeatedly blown and cleaned through the adjusting mechanism, the blowing and dust removing effect is improved, and the service life of the silicon wafer is prolonged. Therefore, the silicon wafer sorting accuracy is ensured.

The utility model discloses a hot rolling velocimeter detection point oxide scale cleaning device which comprises a first processing section, the first processing section and a second processing section are arranged in parallel, and the first processing section and the second processing section are fixed on a hot rolling velocimeter detection unit base. The first treatment section comprises a first treatment bin and a second treatment bin, the second treatment section comprises a bracket with a compressed air header pipe, and the first treatment section and the second treatment section are used for removing and cleaning oxide scales of strip steel entering the first treatment section and the second treatment section. According to the utility model, the high-pressure water gun and the compressed air header pipe are connected with an on-site compressed air pipeline to provide compressed air with relatively equal pressure for the plurality of nozzles, so that the detection influence of hot rolling line strip steel oxide scale on the tachymeter is effectively solved.

The invention discloses a wafer anti-sticking layer coating process optimization method based on fluid mechanics and a small sample prediction algorithm. Comprising the following steps: constructing a vacuum reaction cavity simulation geometric model including a vacuum cavity, a wafer carrier and a wafer; and according to the simulation geometric model, on the basis of a fluid mechanics simulation operation purging process, observing a discrete phase distribution condition, and selecting a model customization cavity with the best purging effect. A corresponding hardware system and a human-computer interaction platform are built, a test experiment is carried out, small sample learning is carried out according to obtained experiment data, and multi-mapping prediction is carried out through environmental data, sample data and other coating properties such as hydrophobicity and the like. According to the scheme, the wafer coating process with better purging and deposition effects and better effect in long-term use can be realized, and targeted process optimization is realized through a small sample prediction algorithm.

The invention provides a fuel cell polar plate runner structure which is suitable for a fuel cell polar plate and comprises a first port, a runner body and a second port which are connected in sequence, the runner body comprises a paraboloid, a first side surface, a second side surface and a plane bottom surface; the paraboloid and the plane bottom surface are oppositely arranged; the first side surface is respectively connected with the paraboloid and the plane bottom surface, and the second side surface is respectively connected with the paraboloid and the plane bottom surface; the first side surface and the second side surface are oppositely arranged; and the plane bottom surface is arranged close to the gas diffusion layer. The invention also provides a polar plate. By means of the structure, the performance of the electric pile can be better improved, and heat dissipation of the electric pile is facilitated. The battery is simple and attractive in structure, low in energy consumption, economical, practical and good in machinability, and can be applied to a fuel cell system.

The utility model discloses a novel steam pipeline purging silencer which comprises an outer cylinder, a perforated inner cylinder, a core cylinder and two intake manifolds, the upper portion of the outer cylinder is open, a supporting bottom plate is arranged on the bottom layer of the outer cylinder, the perforated inner cylinder is located in the center of the lower middle portion of the outer cylinder, and a conical baffle is arranged at the bottom of the perforated inner cylinder. A vertical supporting pipe is arranged between the conical baffle and the supporting bottom plate. A core cylinder is arranged in the center of the perforated inner cylinder, a vertical partition plate is arranged in the center of the interior of the core cylinder, and a spoiler is arranged in the middle of the vertical partition plate. The two intake manifolds and the stress self-balancing structure are arranged, airflow on the two sides is equal in size and opposite in direction, horizontal impact force brought by horizontal high-speed airflow can be counteracted and balanced, and the requirement for the strength of the high-pressure steam blowing silencer is greatly lowered. The steam blowing device is small in occupied area and easy to transport, has the advantages of being large in steam discharging amount, low in resistance, good in silencing effect and the like, and is suitable for various steam blowing operations.

This utility model discloses a tablet press equipped with a tablet blowing device, relating to the field of pharmaceutical manufacturing machinery. It includes a tablet press and a tablet press discharge track. The tablet press discharge track is inclined downwards, with its upper end connected to the discharge end of the tablet press. The blowing device is located on one side of the tablet press discharge track, with its blowing nozzle facing the discharge track. A waste tablet discharge port is located on the other side of the tablet press discharge track, situated on the path of the blowing airflow released from the blowing nozzle. The purpose of this utility model is to provide a tablet press equipped with a tablet blowing device that uses blowing to remove waste tablets, eliminating blockages on the tablet press discharge track and preventing waste tablets from being packaged and shipped, thus ensuring product quality.

The utility model discloses a device for carrying out purging to wafer, including the casing, be equipped with purging chamber and gas collecting chamber in the casing, the top of purging chamber is equipped with purging shower nozzle, the bottom of purging chamber is hollowly provided, and the bracket for supporting wafer box is suspendedly arranged at the hollow place, the bracket is configured to make the wafer box of support and purging shower nozzle opposite arrangement, and the hollow place is communicated with gas collecting chamber, and the gas collecting chamber still has the exhaust pipe of intercommunication, the purging device that the application provides can replace artificial purging, and still can effectively improve wafer purging effect, has important technical value to subsequent improvement wafer yield and equipment utilization rate, guarantees personnel safety etc.

The invention provides a filter element purging device, vacuum deposition equipment and a purging process thereof, and relates to the technical field of semiconductor equipment. The back-blowing device is suitable for being arranged on a filter element device, the filter element device is arranged in an installation barrel body, and the back-blowing device comprises a back-blowing air source, a first pipeline air pipe connected with the back-blowing air source and a second pipeline; the first pipeline extends into the filter element device and is connected with a purging air pipe arranged in the filter element device, the purging air pipe is connected with a rotating device, and the rotating device is suitable for driving the purging air pipe to rotate in the filter element device to perform circumferential purging on the filter element device; and the second pipeline is connected to the mounting barrel body and is suitable for ventilating after the purging of the purging air pipe is finished so as to blow back powder drifting in a clearance space between the inner side of the mounting barrel body and the outer side of the filter element device into the reaction container.