56results about How to "Realize automatic cleaning function" patented technology

The invention discloses a machining mold for fastener production and a machining method thereof.The machining mold comprises a mold body, a fixing piece is fixedly arranged on the mold body, a mounting sleeve is arranged on the outer side of the fixing piece in a sleeving mode, a reinforcing piece for abutting against and fixing the fixing piece is arranged on the mounting sleeve, and a feeding pipe is clamped in the fixing piece; a filtering piece for filtering the metal melt is inserted into the feeding pipe; through cooperation of the circulating flow channel and the filtering part, it is ensured that impurities can be efficiently removed in the flowing process of metal melt, meanwhile, pipeline blockage caused by impurity accumulation and metal melt solidification is avoided, the metal melt can flow along the conical surface through a conical barrel and filtering holes in the filtering part, the impurities are effectively intercepted, and the filtering effect is improved. And the C-shaped design of the circulating runner allows filtered impurities and part of the metal melt to enter the feeding pipe again, the runner is kept unblocked, and the design not only prevents accumulation of the impurities, but also avoids solidification of the metal melt through circulating flow.

The utility model provides environment-friendly chemical sewage treatment equipment which comprises a treatment tank, a partition plate is arranged in the treatment tank, a filter plate is arranged in the center of the partition plate, a rotating shaft is mounted in the center of the bottom of the treatment tank, and the top end of the rotating shaft is rotationally connected with the filter plate. A fixing ring is arranged at the position, close to the bottom side of the filter plate, of the surface of the rotating shaft; the motor drives the rotating shaft to rotate, the inner wall of the treatment tank is scraped and washed through the second scraping plate connected and installed on the rotating shaft, so that the inner wall of the treatment tank is cleaned, meanwhile, under the action of the limiting prism and the limiting groove, the rotating shaft drives the movable ring to rotate, and therefore the cleaning brush and the first scraping plate are driven to rotate; the cleaning brush is used for scraping and loosening agglomerated floccules at the bottom of the filter plate, and then the cleaning brush is used for brushing and cleaning the bottom of the filter plate, so that the automatic cleaning function of the filter plate is realized, and the service life of the treatment tank is greatly prolonged.

The utility model discloses a closed dust fall box of a coal belt conveyor, which comprises a plurality of box bodies, dust collection mechanisms, a motor and pipelines, the plurality of box bodies are erected on a transmission belt, all the box bodies are communicated, the plurality of box bodies are respectively and correspondingly communicated with the plurality of pipelines, the dust collection mechanisms are arranged in the pipelines, and the motor is connected with the dust collection mechanisms. The motor is located on one side of the pipeline and corresponds to the dust collection mechanism. The spraying mechanism and the cleaning mechanisms are arranged on the upper side and the lower side of the dust collection mechanism correspondingly, the fourth rotating shaft is connected with the spraying mechanism through the third bevel gear, the first rotating shaft is connected with the cleaning mechanisms, and the motor drives the spraying mechanism and the cleaning mechanisms to operate at the same time through the third bevel gear and the fourth rotating shaft. The multiple box bodies are communicated with one another, the pipelines are arranged on the side walls of the box bodies, the dust collection mechanisms are arranged in the pipelines to reduce dust of the coal conveying belt, the spraying mechanisms are arranged in the pipelines to precipitate coal dust, recycling is facilitated, and the cleaning mechanisms are arranged in the box bodies to conveniently clean the inner walls of the box bodies.

The utility model discloses a stirring device for processing chemical intermediate pyrimidinol, which comprises a shell main body and a feed port arranged on the upper end face of the shell main body, a bracket motor component is fixedly arranged on the shell main body, a first fixed seat is fixedly arranged on the outer side of the shell main body, and a first rotating rod is rotatably arranged on the first fixed seat; and a second transmission rod is rotationally installed on the inner side of the shell body, second stirring blades are fixedly installed on the second transmission rod, a base protection shell is arranged at the bottom of the shell body, and a first transmission rod is fixedly installed at the output end of the support motor assembly. According to the stirring device for processing the chemical intermediate pyrimidinol, a knocking and vibrating head can knock and vibrate the outer side of the shell main body through a cam, a knocking rod and a first rotating rod, and chemical materials contaminated on the inner wall of the shell main body are separated from the inner wall of the shell main body under the vibration of the knocking and vibrating head on the shell main body; the function of automatically cleaning the inner wall of the shell body is achieved.

The utility model provides a kind of air inlet elbow filter assembly, including shell, further include: air outlet pipe, fixed in the top of shell one side, the bottom of shell other side is communicated with air inlet elbow, the outside of shell is equipped with fixed frame, detachably installed filter cartridge in the inside of shell, for installing fixed filter cartridge and the structure of dismounting, setting in the inside of shell bottom end, cleaning structure, setting in the inside of filter cartridge, for the centralized collection of foreign matter that falls and the structure of storing dirt, setting in the bottom end of the structure of dismounting.The utility model, by starting reduction motor driving connecting sleeve and connecting block synchronous rotation, and then drive rotating rod rotation, make cleaning brush clean filter cartridge inner wall, thereby realized the automatic cleaning function of this device, without frequent disassembly filter core by hand, simplify cleaning operation process, shorten equipment downtime maintenance time, simultaneously avoid the component abrasion and assembly gap problem brought by repeated disassembly and assembly.

The present application belongs to the technical field of oilfield workover equipment, and particularly relates to a multifunctional hydraulic elevator device for oilfield workover operation. The multifunctional hydraulic elevator device for oilfield workover operation has the function of automatic cleaning, improves the functionality of the elevator device, reduces the labor intensity of the workers, and has better cleaning efficiency for the lifting hole. The multifunctional hydraulic elevator device for oilfield workover operation comprises: a lifting arm; the lifting arm is used for lifting the elevator device; a main seat is installed between the lifting arms; a hinge; the hinge is rotatably connected with the main seat through a pin shaft; the main seat and the hinge form a lifting hole; a hydraulic assembly is used for controlling the opening and closing of the hinge; water holes are circumferentially distributed on the top sidewall surface of the lifting hole; the water holes are communicated with an external water source through pipelines.

The utility model relates to the field of generator neutral point grounding resistor cabinets, and discloses a generator neutral point grounding resistor cabinet convenient for dust prevention, which comprises a cabinet body, air inlet holes are arranged on two sides of the cabinet body, a plurality of louver boards are arranged on the two air inlet holes, and cleaning mechanisms are arranged on the inner side of the cabinet body and positioned at the two air inlet holes. The cleaning mechanism comprises a rectangular frame which is fixedly connected to the inner side of the cabinet body and located at the air inlet hole, limiting rods are fixedly connected between the two ends of the inner side of the rectangular frame, the circumferential surfaces of the two limiting rods are slidably sleeved with the same cleaning plate, the two ends of the cleaning plate are provided with round holes matched with the limiting rods, and a brush is arranged on the side, away from the air inlet hole, of the cleaning plate. According to the utility model, the technical effects that the filter screen at the air inlet hole has an automatic cleaning function and is matched with the rotating draft fan to blow out dust at the cleaning part to the outside, so that the cleaning efficiency is improved, the cleaning frequency of a user is reduced, and the practicability of the equipment is improved are realized.

The utility model discloses a new material crushing device belonging to the technical field of crushing devices, which comprises a first box body and a second box body, a crushing wheel is arranged in the first box body, a discharge port is arranged at the bottom of the first box body, the second box body is arranged below the discharge port, a grinding disc is arranged in the second box body, and a grinding wheel is arranged in the grinding disc. A new material is poured into the first box body, a crushing wheel is started to crush the new material, the crushed new material falls into the second box body from a discharge port, and grinding treatment is performed through an arranged grinding disc, so that finer food powder is obtained, and the detection rate is improved; through the arranged water tank, the water pipe and the water pump, the automatic cleaning function of the interior of the first box body is achieved, the water pump is started, water in the water tank is pumped out, the water is conveyed by the water pipe to enter a spray head, then the spray head sprays out, the interior of the device can be cleaned, and convenience is brought to cleaning work of the interior of the first box body.

This utility model relates to the field of fire ventilation technology, and solves the problem that with the increase of usage time, some dust remains on the surface of the protective cover, blocking the ventilation holes and affecting ventilation efficiency. Furthermore, some dust remains on the inner wall, causing inconvenience for later cleaning and further affecting the ventilation quality of the duct. Specifically, it is a fire ventilation device, including a duct. A fan is installed inside one end of the duct, and a dustproof net is installed at the other end. A threaded cylinder is fixedly connected to the back of the fan. A threaded rod is threadedly connected inside the threaded cylinder. One end of the threaded rod is provided with a connector and a cross plate. The cross plate has symmetrically formed grooves at its four corners and a connecting strip embedded inside. A flexible scraper is installed inside the connecting strip and contacts the dustproof net. An electric telescopic rod is provided on the side of the duct, and an arc-shaped groove is formed at its telescopic end. A clamping plate assembly is provided in the middle of the side of the duct, and a fixed plate is movably connected inside it.

The invention relates to the technical field of measurement, in particular to a wheel type distance measuring device for road and bridge segmented construction and a distance measuring method thereof.The wheel type distance measuring device comprises a wheel, a handle and a counter, the counter is fixed to the handle, and the wheel is connected with the handle through an elastic assembly; the elastic assembly can adaptively adjust the distance between the wheel and the counter under the condition of an uneven road surface, the wheel and the counter are matched through the transmission assembly, and the transmission assembly can drive the counter to operate in the process that the wheel rotates and the elastic assembly stretches out and draws back; the brush is matched with the cleaning assembly, when the wheel rotates, the cleaning assembly drives the brush to brush the outer wall of the wheel in a reciprocating mode, the device is compact in overall structure and convenient and fast to operate, and the elastic buffering function, the stable transmission function and the automatic cleaning function are organically integrated; and the environmental adaptability and the working reliability of the wheel type distance measuring device in a road and bridge segmented construction scene are improved.

The utility model discloses an integrated intelligent variable frequency air conditioner special for a granary, and relates to the technical field of granary air conditioners. The air conditioner comprises an air conditioner body, a cleaning anti-blocking assembly and a vibration dust removal assembly, the front side of the air conditioner body is fixedly connected with a mounting frame, the front side of the mounting frame is fixedly connected with a filter screen, and the cleaning anti-blocking assembly comprises two electric push rods. Through the cleaning anti-blocking assembly, the electric push rod is used for driving the cleaning shell to move back and forth along the surface of the filter screen, the scraping piece is driven to swing to scrape dust accumulated on the surface of the filter screen, the dust blocking mechanism is matched to block and collect raised dust, secondary pollution is avoided, and the automatic cleaning function of the filter screen is achieved; the problem that a traditional filter screen needs to be frequently shut down for cleaning is solved, the manual maintenance frequency is reduced, smooth air inlet of the air conditioner body is guaranteed, heat exchange efficiency reduction and energy consumption increase caused by filter screen blockage are prevented, meanwhile, the reset mechanism enables the scraper to automatically reset through the elastic effect of the torsional spring, and it is guaranteed that scraping and sweeping actions are coherent and efficient.

The utility model discloses a negative pressure detection device with self -cleaning function, including waste gas delivery pipeline (1), waste gas delivery pipeline (1) is connected with pressure detection pipe (2), pressure detection pipe (2) is connected with switch valve (3), switch valve (3) has negative pressure detection part and compressed air connecting portion, the valve core (4) in switch valve (3) has first working position and second working position, when the valve core (4) is in first working position, pressure detection pipe (2) is communicated with negative pressure detection part through valve core (4), when the valve core (4) is in second working position, pressure detection pipe (2) is communicated with compressed air connecting portion through valve core (4). The utility model can realize automatic cleaning detection port, guarantees that negative pressure table can normally work.

This utility model relates to the field of industrial equipment technology, and in particular to an automatic pipeline cleaning device for liquid conveying systems. It includes a support frame, a filter, and a cleaning component. The support frame is equipped with a water supply component for stably providing clean water and a control panel for displaying equipment operating parameters. The control panel is electrically connected to the water supply component. The filter is located on one side of the support frame, and its bottom end is connected to the liquid conveying system. The filter is angled, and a bend in the hose connects the filter to the liquid conveying system. The cleaning component includes a spray pipe and a bend in the hose. The spray pipe can be inserted into the inner cavity of the filter, and is connected to the water supply component via the bend in the hose. This utility model achieves automatic cleaning of liquid conveying system pipelines, effectively solving the problems of high labor intensity and incomplete cleaning associated with traditional manual cleaning, thereby ensuring the safe, efficient, and clean operation of the liquid conveying system.

This invention discloses a sink-type cleaning machine, comprising a sink body, characterized in that: a water supply pipe is provided on the side of the sink body; and it also includes a cover structure for opening and closing the top opening of the sink body; a dish rack mechanism including a first dish rack that can be flipped and installed in the sink body; and a spray device for spraying cleaning water into the inner cavity of the sink body, the spray device having a water inlet pipe fixed relative to the first dish rack; the sink-type cleaning machine has at least two states: in a first state, the cover structure is closed, the first dish rack is placed horizontally in the sink body, and the water inlet end of the water inlet pipe is inserted into the water outlet end of the water supply pipe; in a second state, the cover structure is open, the first dish rack and the spray device are both erected on the side of the inner cavity of the sink body, and the water inlet end of the water inlet pipe is disconnected from the water outlet end of the water supply pipe. Compared with the prior art, the sink-type cleaning machine of this invention can meet the user's need for a large single sink without affecting the automatic cleaning function.

The invention relates to a self-cleaning filter screen assembly, an air opening structure and air handling equipment, the self-cleaning filter screen assembly comprises a first filter screen assembly, a second filter screen assembly and a driving module, the first filter screen assembly and the second filter screen assembly are oppositely arranged, a plurality of first protruding structures are arranged on the first filter screen assembly, and a plurality of second protruding structures are arranged on the second filter screen assembly; the first protruding structure extends towards the second filter screen assembly and is used for being connected with the second filter screen assembly in an abutting mode. The driving module is connected with the first filter screen assembly and / or the second filter screen assembly and used for achieving relative movement of the first filter screen assembly and the second filter screen assembly. According to the self-cleaning filter screen assembly provided by the invention, relative movement of the first filter screen assembly and the second filter screen assembly is realized through the driving module, so that relative friction is generated between the multiple first convex structures and the second filter screen assembly, and impurities on the second filter screen assembly are removed; and the first filter screen assembly also vibrates, and impurities fall off, so that automatic cleaning of the first filter screen assembly and the second filter screen assembly is realized.

According to the cleaning structure of the shaver, when the driving assembly drives the tool bit assembly to conduct shaving, the impeller is driven to rotate reversely, so that beard residues (broken beards) are sucked into the containing cavity, and the collection efficiency of the beard residues is improved. In the cleaning process, cleaning liquid flows into the negative pressure cavity, so that the impeller and the negative pressure cavity form a water pump structure, under the combined action of forward rotation force and centrifugal force of the impeller, beards in the containing groove are thrown into the cleaning groove and finally discharged to the outside through the cleaning groove, the cleaning effect is better, beard residues are conveniently discharged, and the cleaning efficiency is improved. And self-cleaning circulation in the shaver can be realized. Due to the fact that the distance exists between the transmission assembly and the inner wall of the negative pressure cavity, the transmission assembly is in a suspended state in the negative pressure cavity, friction force cannot be generated between the transmission assembly and the inner wall of the negative pressure cavity in the moving process, the rotating effect of the transmission assembly is better, and then the shaving effect is better.

This utility model provides a contact wire wear detection device, relating to the field of wear detection technology. It includes a busbar with a cleaning mechanism at its bottom. The cleaning mechanism includes a detection housing, a cleaning box fixedly connected to the outer surface of the detection housing, a cleaning rod rotatably connected to the inner surface of the cleaning box via a bearing, a cleaning brush fixedly connected to the outer surface of the cleaning rod, and two limiting rods fixedly connected to the outer surface of the cleaning box. Sliding blocks are slidably connected to the outer surfaces of the two limiting rods. This utility model achieves automatic cleaning of the contact wire inside the busbar before detection. Through the coordinated action of the cleaning brush and scraper, it can efficiently wipe away stains on the wire surface and promptly clean the dirt attached to the cleaning brush, avoiding secondary contamination. This solves the problem of low detection accuracy caused by stains on the wire surface in existing detection devices, significantly improving the reliability of wear detection data.

A building electrical cabinet relates to the field of electrical cabinets and comprises a cabinet body, a cabinet door is arranged on the front side of the cabinet body, a top plate is arranged at the top of the cabinet body, a rectangular mounting notch is formed in the left side of the cabinet body, and a cooling box is arranged in the rectangular mounting notch in a sliding fit mode and fixedly connected to a side plate of the cabinet body through bolts. Efficient heat dissipation, dust prevention and temperature control and automatic cleaning can be achieved, the design of the cooling box and the refrigerant pipe ensures that the electrical cabinet can stably operate in a high-temperature or humid environment, dust prevention and temperature control sponge and dust removal sponge effectively prevent dust from entering the electrical cabinet, and the interior of the electrical cabinet is kept clean. The air flow path is optimized through the bearing assembly, the heat dissipation efficiency is improved, the automatic cleaning function is achieved through the design of the dust collection groove and the dust collection channel, and the frequency and difficulty of manual maintenance are reduced.

The utility model relates to the technical field of processing equipment, and discloses a tooth rolling device convenient for chip removal, which comprises a workbench, and the left side of the upper surface of the workbench is fixedly connected with a fixed plate. Through the arrangement of the double-thread lead screw, the first connecting rod, the third connecting rod, the push plate and the movable blocks, when the first motor operates, the double-thread lead screw starts to rotate, the two movable blocks start to move oppositely along the inner surface of the limiting sleeve, and the first connecting rod starts to rotate under the driving of the movable blocks; at the moment, the other end of the first connecting rod can drive a second connecting rod to rotate, a third connecting rod can also be driven by the other end of the second connecting rod to rotate, finally, the other end of the third connecting rod can push a push plate to move in the direction of the tooth rolling cutter, and in the process, the push plate can push scrap iron located between the workbench and the fixing plate out of the whole workbench; therefore, the function of automatically cleaning the scrap iron is achieved.

The utility model discloses an automatic cleaning device for urban underground pipelines, which relates to the technical field of underground pipelines, and comprises a pipeline, a connecting pipe is fixedly sleeved on the circumferential surface of the pipeline, cleaning equipment is arranged on the inner wall of the pipeline, and the cleaning equipment comprises a shunt pipe. The side face of the flow dividing pipe is fixedly connected to the inner wall of the pipeline, and a filter screen is fixedly connected to the inner wall of the pipeline. Through mutual cooperation of the flow dividing pipe, the first spring, the scraper blade, the filter screen and other components in the cleaning equipment, after water flow enters, part of water enters the flow dividing pipe, and the water flow is evenly distributed in the flow dividing pipe; when the filter screen is cleaned, the first spring is pressed downwards through the impact force of water, a matrix of water flow and the first spring can bounce up and down, the first spring can drive the scraping plate and the moving rod to scrape up and down on the inner wall of the filter screen, dirt on the filter screen is effectively cleaned, manual intervention is not needed, and the automatic cleaning function is achieved.

The invention relates to the technical field of piston cleaning, in particular to automatic cleaning equipment for automobile air conditioner compression piston machining, which comprises a soaking pool, a washing receiving pool, a high-pressure washing mechanism and a fixing mechanism. According to the automatic cleaning equipment for machining of the compression piston of the automobile air conditioner, the fixing mechanism is matched with the high-pressure flushing mechanism, the piston body is cleaned in the sequence of first soaking and then flushing, and the soaked piston body is rotated to be in the state that an opening faces downwards; the dirt removing agent and water for washing and cleaning are prevented from being accumulated in the piston, then the inner wall and the outer wall of the piston body are subjected to comprehensive high-pressure washing through the high-pressure washing mechanism in the mode that the high-pressure washing mechanism rotates in the circumferential direction of the piston body, the automatic cleaning function of the piston body is achieved, and the comprehensiveness of cleaning of the inner wall and the outer wall of the piston body is improved; and further, the service life of the automobile air conditioning system provided with the piston is prolonged.

The application discloses an automatic disinfection biosafety cabinet and belongs to the technical field of laboratory equipment. Mainly includes: safety cabinet body, the safety cabinet body is equipped with an observation window, a driving assembly is installed in the safety cabinet body, the driving assembly includes a rotating rod rotatably installed in the safety cabinet body, a driving motor is installed in the safety cabinet body, a first bevel gear is installed at the output end of the driving motor, a second bevel gear meshing with the first bevel gear is installed on the rotating rod, and a cleaning assembly is installed in the safety cabinet body. The automatic disinfection biosafety cabinet drives the first bevel gear to rotate through the driving motor, transmits power to the rotating rod through the meshing of the second bevel gear, drives the toothed plate to reciprocate when the half gear on the rotating rod meshes with the toothed plate, so that the wiping plate wipes the surface of the observation window back and forth in the sliding process, and the automatic cleaning function is realized.

The invention relates to the technical field of rainwater collecting devices, and provides an urban rainwater collecting and processing device which comprises a filter screen, a gravity driving mechanism, a linkage mechanism, two cleaning assemblies and a medicine injection mechanism, and the filter screen is arranged between a supporting frame and a collecting frame and used for filtering rainwater gathered into a water storage cavity of the collecting frame from the supporting frame. The two cleaning assemblies are arranged on the inner side and the outer side of the filter screen correspondingly, and in the transmission process of the filter screen, the inner wall and the outer wall of the filter screen can be cleaned through the cleaning assemblies. The gravity driving mechanism can be rotationally arranged on the inner side of the supporting frame, rainwater collected by the rainwater collecting hopper and falling can drive the gravity driving mechanism, and therefore the transmission assembly can be driven through the linkage mechanism, the filter screen is made to move, and the two cleaning assemblies are driven by the linkage assembly to conduct synchronous transmission. In the transmission process of the gravity driving mechanism, intermittent medicine adding can be conducted on the interior of the water storage cavity of the collecting frame through the medicine injection mechanism.

The invention discloses an extraction device for a coffee machine based on rotation speed regulation and control, and relates to the technical field of coffee machines.The extraction device comprises an outer shell, an automatic extraction assembly, a grinder, an extrusion assembly, a water injector, a cleaning assembly and an automatic feeding assembly are arranged in the outer shell, and the automatic extraction assembly comprises a first motor and an extraction cup; the first motor drives the extraction cup to rotate, the grinder grinds raw materials, the extrusion assembly compacts powder, the top of the water injector is connected with an electric heating water pipe, the cleaning assembly cleans the extraction cup, and the automatic feeding assembly is used for adding filter paper. The extraction effect can be accelerated, meanwhile, high-pressure water can be provided for cleaning the extraction cup, the automatic cleaning function is achieved, and the automatic coffee extraction effect is achieved.

The utility model provides a kind of desulfurization slurry detection device, including detection module and with the detection module connection automation control module, the detection module includes pipeline and is sequentially arranged on the pipeline sampling assembly, filtering component and index detection component, the automation control module includes programmable logic controller and with the programmable logic controller connection data analysis software and touch screen display.The utility model can improve detection precision, sample processing capacity and degree of automation, reduce maintenance cost and complexity.

The utility model discloses a locomotive welded pipe surface derusting rinse tank which comprises a rinse machine body and bases arranged at the left end and the right end of the lower side of the rinse machine body, a rinse cavity is formed in the inner position of the upper side of the rinse machine body, and a control panel is arranged in the middle of the front side of the rinse machine body. The cleaning machine comprises a cleaning machine main body, holding grooves are formed in the inner positions of the upper portions of the left side and the right side of the cleaning machine main body correspondingly, a water outlet pipe is connected to the outer position of the lower right side of the cleaning machine main body, and a control valve is arranged on the outer side of the water outlet pipe. By combining the design that the grab handle rotates the rotating shaft, the welded pipe can be conveniently transferred into the cleaning cavity, so that the operation efficiency is improved, an operator can move the cleaned welded pipe to the upper portion through rotation of the grab handle to be conveniently taken out, meanwhile, the uncleaned welded pipe can be immersed into the cleaning cavity again, and the cleaning process is more convenient and smoother.

The invention relates to the technical field of air source heat pump unit self-cleaning, in particular to an air source fin self-cleaning control method. The problem of filth blockage accumulated due to the fact that an air source heat pump unit is exposed to the outdoor environment for a long time is solved. According to the method, data are measured through an environment temperature and humidity sensor and a fin temperature sensor, a control system controls a compressor, a condensation fan and a four-way valve according to the data, and automatic cleaning is achieved. The method comprises the specific steps that a condensation fan is turned off, the environment dew point temperature is measured, the fin temperature is reduced to be below the dew point to form condensation, the temperature is further reduced to be below 0 DEG C for frosting, fin cleaning temperature is preset, the fin cleaning temperature is finished, the defrosting process is started through reversing of a four-way valve, and after defrosting is finished, the condensation fan rotates reversely to operate to remove residues. And finally, stopping to complete self-cleaning. According to the method, dirt on the fins can be effectively removed, the heat exchange efficiency is improved, the energy consumption is reduced, the manual maintenance cost is reduced, and the service life of equipment is prolonged.

The invention relates to the technical field of medical instruments, and discloses a tumor interventional administration drainage treatment device which comprises a guide wire, a catheter, a connecting valve, a drainage tube and an administration tube, a plurality of drainage holes are formed in the side wall of the catheter, elastic filter screens are arranged in the drainage holes, a cleaning net for cleaning the elastic filter screens is arranged in the catheter, and the drainage holes are communicated with the drainage holes. When the device extracts accumulated liquid through negative pressure and meshes of the elastic filter screen are blocked by tissue debris, the elastic filter screen is sunken inwards due to the negative pressure and is cleaned by the cleaning screen, and secondary cleaning is carried out due to vibration generated by pressure change and self elasticity after the elastic filter screen is cleaned; through collaborative design of the elastic filter screen and the cleaning screen, the pain point that drainage holes of an existing tumor interventional drainage device are prone to being blocked by fragments such as tumor necrosis tissue and fibrous protein in the thoracic cavity is effectively solved, when the elastic filter screen is blocked, double guarantee is formed by negative pressure driven concave cleaning and pressure change triggered vibration secondary cleaning, and the cleaning effect is improved. And self-cleaning can be completed without an additional power assembly.

The invention relates to the technical field of tail gas purification, and discloses a tail gas purification device of a system for preparing methane from carbon dioxide, which comprises a smoke distribution device, a cleaning device, an ignition device and a transmission assembly. When the volume of the sodium carbonate solution in the liquid separation base is less than half of the volume of the liquid separation base, the liquid pump on the smoke separation device can inject the sodium carbonate solution in the flexible spherical shell into the liquid separation base, so that the supplementing function of the sodium carbonate solution is realized. When a sodium carbonate solution in the flexible spherical shell is in a saturated state, the flexible spherical shell is in a bulged state, at the moment, tail gas entering the smoke distribution cover flows to the smoke distribution holes of the smoke distribution disc along the outer spherical surface of the flexible spherical shell, the smoke distribution holes suddenly enable the cross sectional area of tail gas flow to be reduced, and therefore the air speed of the tail gas is increased; and the tail gas passing through the smoke distribution hole collides with the conveying hose and the linkage rack, so that tail gas turbulence is generated, and the effective contact area and collision opportunity of the sodium carbonate solution and the carbon dioxide are further increased.

The utility model discloses a kind of spinning filtering devices for three anti-color spinning processing, it relates to spinning filtering technical field, the spinning filtering device for three anti-color spinning processing, including filter box and the support plate being set at the both sides of filter box, the surface of support plate is fixedly connected with filter screen plate, further include: two groups of fixed link of being set at the bottom of filter screen plate one end, the bottom of fixed link is fixedly connected with vibration assembly, the vibration assembly includes U block, connecting rod and rotating shaft, the other end of connecting rod is rotatably connected with connecting shaft;Protective cover is set at the top of filter box, the bottom of protective cover is fixedly connected with driving assembly, and the driving assembly includes positioning plate, threaded rod, sliding beam and slide bar.The utility model is set through vibration assembly and driving assembly, effectively avoid filter screen plate blockage, reduce maintenance difficulty, reduce maintenance cost, improve the sustainability of filtering device.