30results about How to "Fully washed" patented technology

The utility model relates to the technical field of ardealite washing, in particular to an ardealite washing device which comprises a supporting frame and a washing cylinder arranged on the supporting frame, a moving bin is arranged on the washing cylinder, a placing bin is arranged in the moving bin, a driving assembly is arranged in the placing bin, and the driving assembly is arranged on the supporting frame. According to the phosphogypsum washing device, when water stored in the washing cylinder and the phosphogypsum are rotationally washed through the driving assembly, the rotating direction of the water can be opposite to the rotating direction of the phosphogypsum, and the phosphogypsum in the washing cylinder can be washed through the driving assembly; according to the phosphogypsum washing device, the phosphogypsum can be fully washed, meanwhile, a large amount of washing time can be shortened, meanwhile, after washing is completed, water in the phosphogypsum can be thrown out through rotation of the whole washing cylinder, and the whole phosphogypsum cannot be doped with a large amount of water when taken out.

The preparation equipment comprises a first material mixing kettle, a second material mixing kettle, a hydrothermal reaction kettle, a centrifugal filter, a washing device and a drying machine, the washing device comprises a washing tank, the pitching angle of the washing tank is adjustable, a cleaning barrel is installed in the washing tank, a material inlet and outlet is formed in one end of the cleaning barrel, and a material outlet and a material outlet are formed in the other end of the washing barrel; the feeding and discharging opening is sealed through a detachable cover plate, a filter screen is arranged outside the cleaning cylinder, and the cleaning cylinder is driven to ascend and descend through an ascending and descending mechanism. In the raw material washing process, two movement modes of lifting and rotating are combined, so that powder materials are fully mixed and rinsed in the cleaning cylinder, the washing efficiency and effect are improved, the stirring shaft and the cleaning cylinder are driven to rotate in the opposite directions in a transmission mode, and the stirring effect is improved. And the automatic stirring effect in the lifting process can be further improved, so that the washing effect is further enhanced, and full stirring and washing of the powder material are ensured.

The invention relates to the technical field of nucleic acid detection, and discloses a universal automatic nucleic acid extraction module based on a rotating structure, which comprises a liquid storage layer and a runner layer which are arranged up and down, the nucleic acid extraction module is internally provided with a lysate chamber, a binding liquid chamber, a magnetic bead chamber, a pre-cleaning liquid chamber, a post-cleaning liquid chamber, an eluent chamber, a sample treatment chamber, a waste liquid chamber and a sample loading chamber; a valve core is arranged in the sample treatment cavity, a sample treatment cavity piston is arranged in a core cavity of the valve core, and a liquid transfer opening communicated with the core cavity is formed in the side wall of the core cavity; the top surface of the flow channel layer is respectively provided with flow channels communicated with the sample treatment chamber corresponding to the lysis solution chamber, the combination solution chamber, the magnetic bead chamber, the front cleaning solution chamber, the rear cleaning solution chamber, the eluent chamber, the waste liquid chamber and the sample loading chamber; the valve element rotates around the axis of the valve element and can communicate with different flow channels. The liquid flow channel is convenient to switch, the structure is simpler, the assembly is simpler, the cost is lower, the size is smaller, and the weight is lighter.

The utility model belongs to the technical field of etherification reaction, and particularly relates to a reaction kettle beneficial to etherification reaction uniformity, which comprises a mixing assembly, the mixing assembly comprises a reaction kettle shell and four supporting legs uniformly and fixedly connected to the bottom surface of the reaction kettle shell, the surface of the reaction kettle shell is rotatably connected with a cover plate through a bearing seat, and the cover plate is fixedly connected with the bottom surface of the reaction kettle shell. The surface of the reaction kettle shell is fixedly connected with a discharge pipe, and the discharge pipe is communicated with the interior of the reaction kettle shell; through cooperation of a rotor pump and a shear pump, feed liquid can be circularly mixed and reacted again, mixing of the feed liquid is enhanced, meanwhile, a spraying assembly is added, 360-degree dead-corner-free spraying washing can be carried out through cooperation of a fixed pipe and a spraying head, fiber attached to the kettle wall is reduced, and reaction dead corners are reduced; water is fully added into the kettle, and the mixture is fully mixed, so that particle adhesion is reduced, particles are uniformly dispersed and fully washed, the reaction uniformity is improved, and the problems of insoluble substances and fibers are solved.

The invention provides an anti-ultraviolet aging high-strength and high-modulus PBO (poly (p-phenylene benzobisoxazole)) fiber and a preparation method thereof. The strength of the PBO fiber is 31.6-32.3 cN / dtex. The strength retention rate is greater than or equal to 62.5%, and preferably, the strength retention rate is 62.5-90.5%. The intermittent pre-polymerization process is used for intermittently preparing a pre-polymerized material, starting from a material storage kettle, continuously conveying the material, defoaming, pre-filtering, feeding the material into a final polymerization system, adding an ultraviolet light absorber before the material enters the final polymerization system for blending modification, and then spinning, washing, oiling, drying and densifying to obtain the anti-ultraviolet aging fiber. The PBO spinning solution is high in viscosity and is easy to block equipment and pipelines, so that equipment such as a pre-polymerization kettle, a middle kettle, a defoaming kettle and a double-screw extruder should be compactly arranged in space arrangement. Meanwhile, the reaction time and the reaction temperature need to be strictly controlled, the intrinsic viscosity of materials in each process is guaranteed, the process stability is guaranteed, and the anti-ultraviolet aging fiber can be obtained.

The utility model discloses an energy -conserving high -efficient furnace gas scrubbing tower belongs to scrubbing tower technical field, including base, the base one side has communicated air inlet pipe, the base inside is provided with fan, preprocessing mechanism, preprocessing mechanism includes setting in the heat preservation shell of base top, the filter plate is provided with in heat preservation shell bottom, is provided with the heat storage cavity between heat preservation shell inner wall and outer wall, a plurality of water injection bin are provided with in heat storage cavity, and washing mechanism includes setting in the compression resistance shell of heat preservation shell top, a plurality of shower nozzles are provided with in compression resistance shell inner wall, the water distribution pipe is communicated with in the one end of shower nozzle, the water distribution pipe sets up between compression resistance shell outer wall and inner wall, the both sides of shower nozzle all are provided with the intercepting plate, one side of intercepting plate and compression resistance shell inner wall fixed connection, in the utility model, through the heat recovery of heat collection block in drying mechanism is used for the heat of surplus material water, makes atomization effect better and less energy consumption, through the continuous setting of multiple mechanisms makes the washing process more coherent efficient.

The utility model belongs to the technical field of recycling, and particularly relates to a washing device for recycling, which comprises a washing tank, a transportation support erected above the washing tank and a hoisting component movably arranged below the transportation support, the washing tank is a square frame with an opening in the upper part, the washing tank is provided with a water inlet and a water outlet, and a rotating disc is arranged in the middle of the washing tank. The rotating disc is in transmission connection with a transmission assembly, a circular placing frame through which water can pass is arranged above the rotating disc, a stirring assembly capable of sliding upwards is arranged on one side of the placing frame, and the stirring assembly is in transmission connection with the transmission assembly; the waste metal cleaning device is simple in structure, washes waste metal, recovers the washed waste metal, transports the waste metal placed in the placing frame through the transportation support, moves the placing frame to the position above the rotating disc in the washing pool, drives the placing frame to rotate through the rotating disc, and is located in the placing frame, so that the metal is convenient to clean, and the waste metal is recycled. And a better cleaning effect is achieved.

The utility model discloses a filtering and drying device for combined soda production, which comprises an upper heating jacket, a filtering and heating cylinder and a cone heating jacket, a mounting ring is fixedly arranged on the outer surface of the joint of the upper heating jacket and the cone heating jacket, and a U-shaped jacket is sleeved on the surface of the mounting ring. The upper heating jacket and the cone heating jacket jointly form a vacuum drying stirring bin, a discharging port is formed in the center of the bottom end of the cone heating jacket, a liquid discharging port is formed in the surface of one side of the bottom end of the cone heating jacket, and a process sampling port is formed in the other side of the bottom end of the cone heating jacket; a stirring rod is arranged on the inner side of the cone heating jacket; a spiral stirring paddle is welded on the outer surface of the stirring rod; according to the device, washing, filtering and drying are integrated, the reaction time is shortened, and the production efficiency is improved; and a cleaning liquid inlet pipe, a branch pipe and a high-pressure spray head are arranged in a matched manner, so that the cleaning liquid can uniformly enter the vacuum drying and stirring bin to sufficiently wash the filter cake.

The utility model discloses an exhaust device for producing electronic grade 1, 3-propane sultone, which comprises an object placing table, a processing box and an exhaust fan are fixed on the object placing table, an air inlet of the exhaust fan is communicated with an air suction pipe, an air outlet of the exhaust fan is communicated with an L-shaped exhaust pipe, one end of the L-shaped exhaust pipe, which is far away from the exhaust fan, extends into the object placing table, and the other end of the L-shaped exhaust pipe is communicated with the processing box. The end, extending into the storage table, of the L-shaped exhaust pipe faces downwards and is fixedly communicated with a plurality of U-shaped air outlet pipes, and the diameter of each U-shaped air outlet pipe is one fifteenth that of the L-shaped exhaust pipe. Due to the arrangement of the L-shaped exhaust pipe, the U-shaped air outlet pipe and the washing liquid, after gas is exhausted from the U-shaped air outlet pipe, the diameter of the U-shaped air outlet pipe is one fifteenth of the diameter of the L-shaped exhaust pipe, namely, the gas can form many small bubbles after being exhausted from the U-shaped air outlet pipe, so that the washing area of the gas and the washing liquid is increased; and the gas can be fully washed by the washing liquid.

The utility model discloses continuous equipment for preparing an expanded graphite material from a negative electrode of a waste lithium ion battery. The equipment comprises a pickling device, a strong oxidation impurity removal device and a centrifugal device which are sequentially communicated through a pipeline, the grabbing device comprises a track and a mechanical claw which is arranged on the track and can move along the track and move up and down, the track is arranged above the centrifugal device, the drying device and the high-temperature expansion device which are sequentially arranged, and the mechanical claw is used for conveying device materials below the track. The waste graphite negative electrode is safely converted into graphite oxide through the pickling device, the strong oxidation impurity removal device and the centrifugal device, then the graphite oxide is sequentially moved to the drying device from the centrifugal device through the grabbing device, and finally the graphite oxide is converted into high-value porous expanded graphite in the high-temperature expansion device. High-value utilization of low-carbon, efficient, green and sustainable retired lithium ion battery negative electrodes is achieved, and the method is suitable for continuous large-scale production of expanded graphite materials.

The invention relates to the technical field of gold plating solution preparation, in particular to a green sustainable cyanide-free gold plating solution preparation method and device, and the method comprises the following steps: S1, preparing reagents required for preparation: a chloroauric acid solution, a sodium thiosulfate solution, GSH, potassium hydroxide and dilute sulfuric acid; s2, preparing HAu (GSH) 2; s3, preparing a gold plating solution; in the washing process, a third motor is started, the third motor drives a reciprocating lead screw to rotate through an output shaft, the reciprocating lead screw drives a sealing plate to move upwards, the sealing plate drives a screening basket to move upwards, in the moving process of the screening basket, a water outlet moves to the position above a bottom plate, and washing water flows down through the water outlet; and after washing is completed, the third motor is continuously driven to rotate, the sealing plate continues to move upwards through the third motor until the second sealing ring makes contact with the bottom plate, the discharging port moves to the position above the bottom plate, HAu (GSH) 2 is discharged through the discharging port, and the rapid discharging function is achieved.

The invention provides a control method of washing equipment and the washing equipment, the washing equipment comprises a barrel body used for containing clothes and an impeller rotatably arranged in the barrel body, the barrel body and / or the impeller can rotate and stop alternately to form washing water flow, and the impeller and / or the barrel body do continuous forward and reverse rotation alternately to form zero-stop water flow which turns over up and down. After the zero-stop water flow is formed, the washing water flow is controlled to be formed and used for washing clothes. According to the washing machine, zero-stop water flow is controlled to be formed, the zero-stop water flow is turned over up and down in the barrel body, clothes are driven to be vertically replaced up and down, the clothes are fully soaked, meanwhile, rapid turning over of the clothes is achieved, winding of the clothes in the barrel body is reduced, and the wear degree of the clothes is reduced; the subsequent washing water flow can fully act on the overturned clothes, so that the clothes can be fully washed under the scrubbing action of the washing water flow, the washing effect on the clothes is improved, the washing time and the washing intensity do not need to be additionally prolonged, and time, electricity and water are saved.

The utility model discloses an exhaust scrubber which comprises a lower washing pool body, one side of the bottom of the lower washing pool body is connected with an air inlet pipe, one end of the air inlet pipe is provided with an aeration disc, the upper side of the lower washing pool body is provided with a spraying chamber, the inner wall of the spraying chamber is provided with a spraying pipe, and the inner side of the spraying pipe is provided with a plurality of nozzles. One side of the bottom of the lower washing tank body is connected with the air inlet pipe and the aeration disc, one end of the spraying pipe is communicated with the bottom of the lower washing tank body through a water conveying pipe and a water pump, an exhaust port is formed in the upper end of the spraying chamber, and an exhaust fan and a demister are arranged in the exhaust port. Meanwhile, waste gas obtained after soaking and washing is subjected to spraying and washing through the spraying chamber, and the two modes act front and back, so that the thoroughness of exhaust and washing is high, and the washing efficiency is high.

The utility model discloses a high-position rinsing bath for metal surface treatment, and relates to the technical field of metal treatment. A tank body; the storage box is located at the top end of the tank body; the outer wall of the lifting device is fixedly connected with the inner wall of the tank body; the outer wall of the air conveying pump is fixedly connected with the outer wall of the tank body; according to the metal part washing device, the lifting device is arranged, the storage box is composed of the filter shell, washing liquid can enter the metal part to wash the metal part, and in the sliding process of the sliding block, the rack pokes the meshed gear to rotate, so that the rotating rod drives the metal part in the storage box to rotate, washing is more sufficient, the washing effect of the metal part is improved, and the service life of the metal part is prolonged. And air is conveyed into the air conveying pipe through the circulating pipe, so that the air circulates in a channel between the air collecting plate and the inner wall of the tank body and enters the tank body, and washing liquid in the tank body rolls and flows, so that the metal part is washed more sufficiently.

The utility model discloses a waste incineration fly ash washing treatment device which comprises a treatment box and a working box, the top of the treatment box is fixedly communicated with the working box, a discharging groove is formed in one side of the top of the working box, and a material distributing mechanism is arranged in the working box. A driving mechanism for driving the material distributing mechanism to move along the interior of the treatment box is arranged on one side of the working box, and a wavy driving block is arranged at the top of the inner wall of the treatment box. Fly ash can be contained and washed through the treatment box and the working box, then the fly ash needing to be treated is fed into the distributing mechanism through the discharging groove, then the driving mechanism drives the distributing mechanism to move along the driving block, and then the driving block can make contact with the distributing mechanism. Therefore, fly ash in the material distributing mechanism can uniformly fall into the treatment box and the working box in batches, then the fly ash falling in batches can be fully combined with water through the arrangement of the stirring mechanism, and full washing of the fly ash can be completed.

The present invention provides a deceleration clutch device of a washing machine, a washing machine and a control method thereof. The deceleration clutch device of the washing machine includes a clutch mechanism, the clutch mechanism includes a clutch sleeve, a fork assembly for reciprocating the clutch sleeve, and a fork driving device for driving the fork assembly to move, the fork driving device includes a driving component and a sliding component, the sliding component is connected to the fork assembly, the driving component drives the sliding component to slide up and down in the vertical direction to drive the fork assembly to reciprocate the clutch sleeve, and realizes the clutch switching of the washing machine. The deceleration clutch device of the present invention drives the sliding component to slide up and down in the vertical direction to drive the fork assembly to reciprocate the clutch sleeve through the driving component, and the various clutch switching states of the clutch sleeve can be controlled by controlling the rotation position of the driving component, so as to realize more diversified washing conditions, meet more washing needs, have better washing effects, and enhance the user experience.

The utility model provides an acetylene gas washing device which comprises an acetylene gas conveying pipeline connected with a gas outlet of a generator, and the acetylene gas conveying pipeline is sequentially provided with a gas washing tower used for preliminarily removing impurities, a water washing tower used for removing impurities again and a cooling tower used for cooling in the conveying direction of acetylene gas. The water washing tower is provided with a plurality of water inlet pipes which radially enter from the side face and are arranged at intervals from top to bottom, nozzles are arranged at pipe openings, located in the water washing tower, of the water inlet pipes, and the ends, away from the nozzles, of the water inlet pipes are connected with the cooling tower. Aiming at the problems existing in the prior art, the acetylene gas washing device disclosed by the utility model can be used for effectively removing impurities in acetylene gas and ensuring the quality of the acetylene gas.

The utility model relates to the field of fly ash stirring, concretely relates to a stirring device of fly ash washing stirring tank, include: work table, the top of work table is movably provided with movable car, the top of movable car bears and stirs the jar, work table top one side is fixedly provided with transmission mechanism, work table side portion is fixedly connected with the connecting box, the connecting box bottom rotatably connects with stirring mechanism, transmission mechanism with stirring mechanism drive connection, when driving stirring mechanism operation through transmission mechanism, transmission frame drives each first rotation axis and second rotation axis per revolution, simultaneously, multiple transmission gears drive multiple driven gears rotate, make first rotation axis drive stirring frame, crushing blade and support frame rotate. The cross bar on the stirring frame can increase the contact area with the fly ash, accelerate the separation of the fly ash, improve the dissolution efficiency of the chloride ion.

The utility model discloses efficient carrageenan gel washing equipment which comprises a washing cylinder, a fixing disc is fixedly connected to the position, close to the bottom, in the washing cylinder, a gear box is fixedly connected to the bottom of the fixing disc, a motor is fixedly connected to the center of the outer bottom of the gear box, and a base is fixedly connected to the peripheral side of the top of the fixing disc. A circular truncated cone is fixedly connected to the top of the base, a rolling brush is connected to the interior of the circular truncated cone through a bearing, an annular net cover is arranged outside the circular truncated cone, a feeding pipe is fixedly connected to the position, close to the top, of the outer side wall of the annular net cover, a discharging pipe is fixedly connected to the bottom of the fixing disc, and a top cover is in threaded connection to the top of the washing barrel. According to the carrageenan washing machine, the washing cylinder, the annular mesh enclosure and the rolling brush are matched with one another, so that each piece of carrageenan gel can be cleaned more carefully, the carrageenan gel is washed more sufficiently, the cleaning effect is better, repeated cleaning is not needed, time is saved, and carrageenan washing is more efficient.

The invention discloses filtering, washing and drying three-in-one equipment which is characterized in that a feeding hole, a spraying hole, a discharging hole and a liquid outlet are formed in a container assembly, a filtering assembly is arranged in the container assembly, and at least one hinge paddle assembly and at least one bottom scraping paddle assembly are arranged in the container assembly; the hinge paddle assembly and the bottom scraping paddle assembly are connected with the driving assembly and are driven by the driving assembly; a plurality of hinge paddles are arranged on a hinge paddle main shaft of the hinge paddle assembly; a bottom scraping paddle and a Hough paddle are arranged on a bottom scraping paddle main shaft of the bottom scraping paddle assembly, the bottom scraping paddle is located below the Hough paddle, and the Hough paddle and a hinge paddle of the hinge paddle assembly are arranged in a staggered mode. The stirring area of the bottom scraping paddle assembly and the stirring area of the hinge paddle assembly are staggered, so that coverage of all part areas in the container assembly is facilitated, the range of the stirring areas is expanded, materials are fully washed, the washing efficiency is improved, and the output quality and efficiency of finished products are improved.

The present invention provides a washing machine deceleration clutch device, a washing machine and a control method thereof. The washing machine deceleration clutch device includes a clutch mechanism, the clutch mechanism includes a clutch sleeve that can reciprocate to perform clutch switching and a fork assembly that drives the clutch sleeve to move, the fork assembly includes a fork and a fork driving device, one end of the fork is forked on the clutch sleeve, the fork driving device includes a power component and a crank-connecting rod mechanism, the rotation output end of the power component is connected to the other end of the fork through the crank-connecting rod mechanism; the power component drives the fork to reciprocate the clutch sleeve through the crank-connecting rod mechanism to perform clutch switching. The present invention controls the fork to move the clutch sleeve to various clutch positions by controlling the rotation angle of the power component, and by controlling multiple rotation angles of the power component, the fork moves the clutch sleeve to multiple clutch positions, so as to achieve more washing modes and improve the diversity of washing.

The invention provides a high-strength and high-modulus PBO fiber and a preparation method thereof, and belongs to the field of high-performance fiber preparation. The preparation method of the high-strength and high-modulus PBO fiber comprises the following steps of (1) burdening, (2) prepolymerization, (3) material storage, (4) defoaming, (5) prefiltration, (6) final polymerization, (7) spinning, (8) solidification and (9) aftertreatment. The PBO spinning solution is high in viscosity and is easy to block equipment and pipelines, so that the prepolymerization kettle, the middle kettle, the defoaming kettle, the double-screw extruder and other equipment involved in the invention are all compactly arranged in space arrangement. Meanwhile, the reaction time and the reaction temperature need to be strictly controlled, the intrinsic viscosity of materials in each process is guaranteed, the process stability is guaranteed, and the high-strength and high-modulus fibers can be obtained.

The invention discloses a method for removing sulfuric acid in pulpified acid leaching residues and inhibiting dissolution of rare earth sulfate, and belongs to the technical field of hydrometallurgy. The acid leaching residues are subjected to N-1 (N is an integer)-level washing, the sulfuric acid rare earth water leaching liquid is adopted for washing for the Nth time, and after washing is finished, the acid leaching residues are subjected to water leaching to obtain the sulfuric acid rare earth water leaching liquid and water leaching residues. The hydrogen ion concentration in the washing water after the first washing is more than 12mol / L, the REO content is less than 8g / L, and the hydrogen ion concentration in the sulfuric acid rare earth water immersion liquid is controlled to be below 0.2 mol / L. Compared with direct washing, the use efficiency of production water is improved, water is saved, the use amount of washing water is reduced by more than 50%, the rare earth sulfate water leaching liquid is used for washing in the last stage, rare earth sulfate in the acid leaching residues is inhibited from being dissolved, holes are prevented from being formed, and the acid leaching residues are fully washed.

The present invention relates to a low-energy consumption wet turbulent bed and deep purification integrated tower, comprising a tower body, a flue gas inlet is provided on the lower side wall of the tower body, a flue gas pretreatment section is provided in the flue gas inlet, a clean flue gas outlet is provided at the upper end of the tower body, a dirt collecting hopper is provided at the lower end of the tower body, and a first-level wet reverse jet washing and dust removal section and a second-level turbulent bed multi-channel pneumatic cyclone dehydration section are provided in sequence from bottom to top in the tower body; a Venturi injection interception layer, a countercurrent suspension washing layer and a Venturi rectifying layer are provided in sequence from bottom to top in the first-level wet reverse jet washing and dust removal section; a turbulent bed scrubber, a turbulent bed water mist generator, a sonic agglomeration device, a multi-channel pneumatic cyclone dehydrator and a flow guide and gas equalization device are provided in sequence from bottom to top in the second-level turbulent bed multi-channel pneumatic cyclone dehydration section. Compared with the conventional wet washing and dust removal device technology, the technology of the present invention improves the total dust removal efficiency by 50% and reduces the water consumption by 40%.

The utility model relates to the field of waste gas treatment and discloses industrial waste gas treatment equipment which comprises a treatment box, a gas outlet pipe is arranged in the treatment box, a gas inlet pipe is arranged in the treatment box, an adapter is fixedly connected to the interior of the treatment box, a spraying disc is fixedly connected to the outer side of the adapter, and a gas inlet pipe is arranged in the spraying disc. The device comprises a treatment box, two supports which are distributed up and down are arranged in the treatment box, filler layers are arranged in the two supports, a water outlet pipe is fixedly connected to the bottom of the treatment box, a settling box is fixedly connected to the outer side of the water outlet pipe, and a filter box is fixedly connected to the outer side of the settling box through a pipeline; and a plurality of filtering frames are arranged in the filtering box and are fixedly connected with the water pump through pipelines. The industrial waste gas treatment equipment has the advantages that waste gas can be fully washed, and waste gas washing liquid can be recycled.

The invention relates to the field of air filtering equipment, in particular to a mine ventilation dust filtering device which comprises a filtering box, the filtering box comprises a box body, a water tank is installed on one side of the top of the box body, a dust blocking plate is installed on one side in the box body, and a filtering bin is arranged on the other side in the box body; a side edge box is arranged on the side, close to the filter bin, of the dust blocking plate, an activated carbon block is arranged in the side edge box, evenly-distributed through openings vertically penetrate through the middle of the dust blocking plate, fine fluff is arranged on the end face of the side, away from the side edge box, of the dust blocking plate, and a plurality of connecting pipes are fixedly connected to the side, away from the dust blocking plate, of the side edge box; a water filtering box set is fixedly connected to the end, away from the side edge box, of the connecting pipe, a plurality of water filtering boxes are arranged, and water supplementing pipes are arranged on one sides of the water filtering boxes, dust in air can be intercepted and filtered in multiple aspects through multiple procedures, and therefore the ventilation air quality can be greatly improved.

The utility model discloses an automatic filtering and washing device which comprises a slurry tank, the slurry tank is respectively communicated with a washing water tank and a filter press through pipelines, a discharge port of the filter press respectively forms a loop with the slurry tank and the washing water tank through pipelines, and the filter press is further provided with a hot water feed pipe. A slurry feeding stop valve is arranged on a pipeline through which the slurry tank is communicated with the filter pressing pump, a washing water feeding stop valve is arranged on a pipeline through which the washing water tank is communicated with the filter pressing pump, and a hot water feeding stop valve is arranged on a pipeline through which the hot water feeding pipe is communicated with the filter pressing pump. The utility model provides a full-automatic filtering and washing device with few process flows. The plate frame washing device is good in washing effect, washing water and hot water can completely cover all corners of the whole plate frame in the washing process, and the full washing process is achieved.

The utility model discloses a filter pressing device for inspecting and separating platinum-carbon catalyst particles from a mixed solution, and relates to a filter pressing device for solid-liquid separation. The utility model relates to a filter pressing device, in particular to a filter pressing device, which aims at solving the technical problem that the existing suction filtration device for separating platinum-carbon particles from a mixed solution and cleaning the platinum-carbon particles cannot meet the batch production of carbon-supported platinum catalysts, and comprises a plurality of filter pressing tanks which are connected in series and have the same structure, and stirrers, air pipes and filter paper are arranged in tank bodies of the filter pressing tanks; a discharge pipe with a conductivity meter and a communicating pipe are arranged at the bottom of the tank body, and a plurality of filter pressing tanks are connected in series through the communicating pipe. The device can be used for quickly carrying out solid / liquid separation, washing and detection on the platinum-carbon catalyst on a large scale, the washing is thorough, the water consumption is only one third of the water consumption of a single suction filtration device, and the device can be applied to the field of platinum-carbon catalyst preparation.

The utility model discloses a tail gas treatment tower which comprises a tower body and further comprises a spraying assembly which is arranged at the upper end of an inner cavity of the tower body and used for spraying and washing flue gas, a water storage tank is connected to the bottom end of the tower body in an embedded mode, a flue gas conveying pipe is connected to the bottom end of the water storage tank in an embedded mode, and the flue gas conveying pipe penetrates through the water storage tank and extends into the water storage tank. The air outlet end of the snake-shaped heat conduction pipe penetrates through the water storage tank and extends to the outer side of the top end of the water storage tank; by arranging the spraying assembly with the blocking structure, tail gas can only pass through a spraying area during spraying, spraying liquid is in full contact with the tail gas entering the spraying tower, cooling of the high-temperature tail gas is achieved in cooperation with the heat exchange structure, the tail gas treatment effect is further improved, and the tail gas treatment effect is improved. The tail gas absorption efficiency and the tail gas treatment quality are effectively improved.

The invention provides a control method of washing equipment and the washing equipment. The washing equipment comprises an impeller, the impeller can do forward and reverse rotation for the same time to form washing water flow, the impeller is controlled to do forward and reverse rotation for different time to form turnover water flow, and after the turnover water flow is formed, the washing water flow is controlled to be formed and used for washing clothes. In the washing process, the pulsator is controlled to do forward and reverse rotation motions with different durations, so that water flow is easy to overturn up and down in the barrel body to form overturning water flow, the overturning water flow drives clothes to be vertically replaced and overturned up and down, winding of the clothes in the barrel body is reduced, the degree of wear to the clothes is reduced, and wrinkles of the clothes are avoided; according to the clothes washing device, the subsequent washing water flow can fully act on the overturned clothes, so that the overturned clothes can be fully washed under the scrubbing action of the washing water flow, the washing effect on the clothes is improved, the washing duration and the washing intensity do not need to be additionally prolonged, time, electricity and water are saved, and the clothes are effectively protected.