16results about How to "Improve purge efficiency" patented technology

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.

The invention discloses a purging control method and device for a fuel cell system and a storage medium, and the method comprises the steps: controlling a working mode of the fuel cell system to be a shutdown purging mode in response to a shutdown instruction; in the shutdown purging mode, the current temperature of an electric pile in the fuel cell system is obtained; under the condition that the current temperature of the galvanic pile meets a preset condition, switching the working mode of the fuel cell system into a galvanic pile heating mode; in the stack heating mode, controlling a cooling subsystem in the fuel cell system to operate in a preset circulation mode; in the preset circulation mode, cooling liquid in the fuel cell system circulates in a water channel in the fuel cell system; and controlling a fan in the fuel cell system to operate at the first preset rotating speed. The galvanic pile is rapidly heated in a low-temperature environment, so that the galvanic pile purging efficiency is improved; and the probability of successful starting of the battery system is improved.

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 amine liquid purification, and discloses a thermal power flue gas carbon capture amine liquid purification system utilizing carbon dioxide purging, which is connected with a carbon capture system and comprises a resin desalination module respectively connected with a purification pipeline, a gas transmission pipeline, a liquid transmission pipeline and an alkali liquor box; valves are arranged on the purification pipeline, the gas conveying pipeline and the liquid conveying pipeline; the purification pipeline is connected with the filtering subsystem; the filtering subsystem is connected with an amine liquid pipeline; amine liquid of the carbon capture system is input into the filtering subsystem through an amine liquid pipeline; the gas pipeline is connected with a gas outlet of the carbon capture system, and the gas outlet is used for discharging CO2 product gas of the carbon capture system; a compressor is further connected between the air outlet and the air conveying pipeline; the liquid conveying pipeline is respectively connected with the circulating water tank and the desalted water tank. According to the invention, stable alkali liquor cleaning can be realized, and on the basis of ensuring the cleaning cleanliness of the alkali liquor, the amount of wastewater is greatly reduced, the purification period is shortened, the purification efficiency is improved, and the purification cost is reduced.

The invention belongs to the technical field of semiconductors, and discloses a cleaning device for a semiconductor process chamber, the process chamber and a cleaning method, the cleaning device comprises a gas inlet pipeline, one end of the gas inlet pipeline is connected with an external gas source, and the other end of the gas inlet pipeline is connected with a surrounding pipeline in the process chamber; the surrounding pipeline is arranged around an inner cavity of the process chamber in the process chamber; the high-pressure spray head groups are arranged on the surrounding pipeline at intervals, and each high-pressure spray head group comprises a plurality of high-pressure spray heads; and the exhaust pipeline is connected with the vacuumizing equipment and is used for pumping out the particle impurities blown by the high-pressure gas in the process chamber. The cleaning operation can be automatically executed, and compared with traditional manual operation, the cleaning operation is more convenient and faster.

The invention provides a brake valve automatic purging method, which belongs to the technical field of brake valve purging, and comprises the following steps: S1, blowing compressed air into a fifth hole C and a fifth hole D in the mounting surface of a main valve lower cover; s2, compressed air is blown into a first hole D in the main valve mounting surface, and then compressed air is blown into a first hole B and a first hole E in the main valve mounting surface; s3, compressed air is blown into a second hole A, a second hole D and a second hole E in the release valve mounting surface, and then compressed air is blown into a second hole B in the release valve mounting surface; and S4, compressed air is blown into a fourth hole A, a fourth hole B, a fourth hole C and a fourth hole D in the mounting surface of the main valve front cover. According to the automatic purging method for the brake valve, residual water spots on the inner hole path of the brake valve, which is purged by the method, can be effectively removed, the purging quality of the inner hole path of the brake valve is ensured, the purging efficiency is improved, and the labor cost is reduced.

The invention relates to a control method for a purging mechanism, the purging mechanism and a blowing cleaning device. The control method comprises the steps that the size of a compartment, the thickness of coal attached to the surface, the size of the purging mechanism and the moving range are obtained; according to the size of one surface of the carriage, the blowing range of the blowing mechanism and the movement range of the blowing mechanism, a preset movement track of the blowing mechanism is generated; generating a corner motion track of the purging mechanism on the surface; generating a target motion trail according to the predetermined motion trail of each surface and the corner motion trail of each surface; and controlling the mechanical arm to drive the purging mechanism to move according to the target movement track. The blowing mechanism is driven by the mechanical arm to move according to the target motion trail, the blowing mechanism does not need to be held by hands, time and labor are saved, the service life of the blowing mechanism is prolonged, and the blowing efficiency of the blowing mechanism is improved.

The utility model discloses a filtering mechanism for sulfur-containing sewage treatment, which relates to the field of sulfur-containing sewage treatment and comprises a device main body, a first motor is mounted above one side of the device main body, and the output end of the first motor is connected with a driving shaft extending into the device main body. Through the arrangement of the first motor, the driving shaft, the frame body, the blocking plate, the flow guide plate, the inclined plates, the discharging opening, the second motor and the movable shaft, when impurities accumulated on the top of the filter screen need to be cleaned, the flow guide plate makes contact with the bottom of the right inclined plate, then the first motor works to drive the frame body to rotate, and the first motor is closed after the frame body 5 rotates by 180 degrees; and impurities on the filter screen can fall down to the inclined plate and then slide onto the guide plate through the inclined plate, and then particle impurities are discharged from the discharge port through the guide plate, so that the impurities accumulated on the filter screen can be quickly cleaned, and the impurities on the filter screen can be cleaned without detaching the cover plate and then detaching the filter screen in the manner.

This invention discloses an immersion and purging device for zeolite modules, comprising an immersion tank and a blower mechanism. The immersion tank contains an immersion solution for immersing the zeolite modules, and a placement rack is provided on the immersion tank for placing the zeolite modules to be purged. An air outlet hood is provided at the air outlet end of the blower mechanism, correspondingly covering the placement rack and abutting the zeolite modules on the placement rack, allowing the air from the blower mechanism to completely penetrate the inner structure of the zeolite modules. Multiple immersion tanks are arranged in a row, and the placement rack is mounted on a movable support, which can move the placement rack to each immersion tank. The air outlet hood is separately connected to the blower mechanism and is rotatably mounted on the movable support. When the air outlet hood is flipped up, it exposes the placement rack; when the air outlet hood is flipped down, it abuts the zeolite modules on the placement rack. This invention enables the air from the blower mechanism to completely act on the zeolite modules to be purged, reducing the purging time.

The invention relates to the technical field of automobile engine tests, in particular to an engine hot test bench cooling liquid purging method and device and a vehicle. The method comprises the steps that after a hot test is finished, the gas-liquid mixing ratio of fluid in an engine is detected; the residual liquid amount of the cooling liquid is determined according to the fluid gas-liquid mixing ratio; and according to the residual liquid amount, generating a vibration excitation action of the electromagnetic vibration exciter to execute the vibration excitation action so as to purge the cooling liquid of the engine hot test bench, and ending purging until the residual liquid amount is smaller than a preset threshold value. Therefore, the problems that in the related technology, due to attachment of liquid to a water channel and a complex water channel structure, residual liquid is difficult to completely remove by driving cooling liquid or gravity drainage depending on compressed air, due to the fact that complex pipeline butt joint is needed in manual operation, consumed time is long, purging efficiency is low, and a large amount of compressed air is consumed in fixed purging, and the cost is low are solved. And resource waste caused by incapability of timely closing is avoided.

The invention discloses a conveying box purging device, a conveying box storage device and a conveying box purging control method.According to the conveying box purging device, a gas outlet pipeline is provided with a first branch and a second branch, the first branch is connected with a suction device, and the control device can control the suction device to suck gas before protective gas is introduced into a conveying box; according to the conveying box, gas in the conveying box is rapidly extracted, protective gas does not need to be used during extraction, waste of the protective gas can be reduced, when the protective gas is introduced subsequently, the protective gas can be introduced into the conveying box more rapidly due to low pressure in the pipeline and the conveying box, the blowing speed of the protective gas is increased, and the blowing efficiency is improved; after the humidity and / or oxygen concentration in the conveying box meets the requirement, under the condition that the gas outlet pipeline is closed, the protective gas is supplied at low flow, and when the protective gas cannot be maintained, purging is carried out at relatively large third flow, so that the atmosphere of the protective gas in the conveying box can be maintained to the maximum extent, and the consumption of the protective gas is reduced.

The utility model discloses a cylinder head blowing device for a balance block of a working roll, which comprises a rack, a bearing seat arranged in the rack, a mounting rack fixedly connected to the inner wall of the rack, a cleaning fan fixedly connected to one side of the mounting rack, a working roll mounted in the bearing seat, a hydraulic cylinder body arranged in the rack, and an air blower fixedly connected to the other side of the mounting rack, one end of the hydraulic cylinder body is connected with a hydraulic piston; a purging assembly is arranged on the outer wall of the hydraulic piston; the purging assembly comprises a lantern ring arranged on the outer wall of the hydraulic piston in a sleeving mode, a cleaning fan is arranged on one side of the lantern ring, a flow dividing pipe is arranged on the inner wall of the lantern ring and is of an annular structure, nozzles are connected to the inner wall of the flow dividing pipe, the flow dividing pipe is connected with an air outlet of the cleaning fan, a gear ring is rotationally connected to the bottom of the flow dividing pipe, and a cleaning brush is obliquely fixed to the bottom of the gear ring. According to the device, dust on the surface of the hydraulic piston can be cleaned in time, so that the dust is prevented from entering the hydraulic cylinder body to influence normal operation of the hydraulic cylinder body and the hydraulic piston.

This utility model discloses a device suitable for simultaneous purging of multiple heat exchange tubes, including a platform. A movable frame is movably connected to the top of the platform. A connecting seat is movably connected to the inner side of the movable frame. A sliding block is movably connected to the inner side of the connecting seat. A first motor is fixedly connected to the front of the sliding block. A threaded rod is fixedly sleeved on the other end of the output shaft of the first motor. The other end of the threaded rod passes through the sliding block and extends into the interior of the sliding block, and is threadedly sleeved with a movable plate. The bottom of the movable plate is movably connected to the interior of the top of the sliding block. A hollow rod is fixedly connected to the left side of the movable plate, and a rotating plate is movably connected to the interior of the hollow rod. The quick switching function of the purging head and the two independently moving sets of purging heads in this application enable the device to simultaneously purge multiple heat exchange tubes and adapt to rapid purging operations of different types of heat exchange tubes.

The utility model discloses a concrete block blowing device which comprises a base, a cleaning piece used for cleaning concrete blocks is arranged at the upper end of the base, and the cleaning piece comprises a roller shaft assembly, a roller shaft assembly, a roller shaft assembly, a roller shaft assembly, a roller shaft assembly and a roller shaft assembly, and the roller shaft assembly is installed at the two ends of the upper side of the base and used for guiding concrete blocks in; the frame is arranged in the middle of the upper side of the base; the concrete block purging device comprises a base and purging assemblies, the purging assemblies are installed at the two ends of the upper side of the base and used for cleaning concrete blocks, each purging assembly comprises an air compressor fixedly connected with the base, and the output end of each air compressor is connected with a three-way valve. According to the blowing assembly, two sets of blowing plates are correspondingly adjusted according to concrete blocks with different thicknesses through an air cylinder assembly, then air is supplied through an air compressor and other assemblies, the blowing efficiency is improved, the blowing assembly is matched with a frame and a check curtain, overflow of dust and chippings is reduced, the dust and the chippings are promoted to move towards the dust removal assembly end used for recycling the dust and the chippings, and the dust removal efficiency is improved. The subsequent recovery operation is convenient.

The utility model discloses a prevent stainless steel sheet rolling device of centering deviation, including blowing and purging mechanism, centering clamping mechanism, rolling mill, support platform, conveying roller, slag baffle, blowing and purging mechanism sets up in support platform front end, and centering clamping mechanism sets up in support platform middle, and conveying roller is equipped with multiple groups setting in support platform middle, and conveying roller lower part is equipped with the slag baffle, and the slag baffle is fixed in support platform middle simultaneously, and rolling mill sets up in support platform rear end, through conveying roller, the stainless steel sheet of being rolled to forward delivery, and blowing and purging mechanism carries out blowing and purging to stainless steel sheet, avoids the impurity on stainless steel sheet and enters rolling mill, causes the rolling defect, and the slag baffle of conveying roller lower part prevents the impurity on stainless steel sheet and falls to centering clamping mechanism, causes the mechanism jam failure, and the centering clamping mechanism carries out the centering clamping to stainless steel sheet in the conveying process, prevents stainless steel sheet and exists the centering deviation, and then through rolling mill, the rolling work of stainless steel sheet is completed.

The utility model discloses a purging device and a perovskite line evaporator, the purging device comprises: a first purging assembly, the first purging assembly comprises a first purging pipe, both ends of the first purging pipe are connected with a feeding port, and the first purging pipe is provided with a plurality of first purging holes; the second purging assembly comprises a second purging pipe, the two ends of the second purging pipe are connected with a feeding port of the perovskite line evaporation machine, and a plurality of second purging holes are formed in the second purging pipe; the first purging hole and the second purging hole face away from the feeding cavity, and the absolute value of the included angle between the vertical normal vector of the first purging hole and the second purging hole and the plane of the feeding base plate is (0 degree, 90 degrees). According to the utility model, the substrate which is about to enter the feeding chamber is blown from the two sides of the feeding port, so that the substrate can be effectively and comprehensively cleaned in the feeding process, impurities such as dust and particles on the surface of the substrate are removed, and the cleanliness of evaporation and the product quality are improved.