100results about How to "Extended cleaning cycle" patented technology

The invention discloses a high-temperature radiation furnace tube for enhancing heat transfer as well as a preparation method and application of the high-temperature radiation furnace tube. The heat-transfer-enhanced high-temperature radiation furnace tube comprises a high-temperature radiation furnace tube, namely a thick tube, of which the inner surface is subjected to roughness treatment and / or a high-temperature radiation furnace tube, namely a streaming terminal, of which the inner surface is sequentially subjected to roughness treatment and streaming structure surfacing treatment, and the roughness parameter Ra of the inner surface of the thick tube is 3.2-40.5 m; and the streaming structure is in one or more forms of a sphere, a raindrop shape and a strip shape. According to the invention, the heat conduction effect and the temperature and airflow uniformity of the furnace tube can be obviously improved through combination of slight increase of the inner surface area and a micron-scale inner surface streaming structure within a certain range, meanwhile, the filling volume of a catalyst in the furnace tube is not influenced, and obvious pressure drop at the outlet end of the furnace tube is avoided.

The invention particularly provides a control method and device for self-cleaning of a water tank. The method comprises the steps of monitoring water quality data and cleaning data of each water tank in real time, selectively obtaining environment data of the water tanks according to the water quality data and the cleaning data of each water tank, and substituting the water quality data, the cleaning data and the environment data of the water tanks into a cleaning analysis and evaluation model when the environment data is obtained, obtaining a self-cleaning treatment scheme corresponding to the water tank, executing the self-cleaning treatment scheme on the water tank, obtaining cleaning water quality data of the water tank, and substituting the cleaning water quality data into the cleaning analysis and evaluation model again to obtain a self-cleaning evaluation result of the water tank. And feeding back the self-cleaning treatment scheme and the self-cleaning evaluation result to a user terminal corresponding to the water tank, and selectively cutting off water supply of the water tank based on the self-cleaning evaluation result of the water tank. And through real-time monitoring and timely self-cleaning treatment, water quality pollution is effectively prevented, and the safety of domestic water of a user is guaranteed.

The invention belongs to the technical field of heat exchange equipment, and particularly relates to a double-layer coil pipe type multi-stage heat exchanger and a heat exchange method thereof.The double-layer coil pipe type multi-stage heat exchanger comprises multiple heat exchanger bodies which are sequentially connected in series, each heat exchanger body comprises an outer cylinder, an inner cylinder, a first-layer coil pipe and a second-layer coil pipe, and each outer cylinder is arranged on the outer wall of the corresponding inner cylinder in a sleeving mode and provided with a fluid inlet and a fluid outlet; a fluid inlet and a fluid outlet which are communicated are formed in the inner cylinders, the fluid outlet of the upper-stage inner cylinder is communicated with the fluid inlet of the lower-stage inner cylinder, and the first-layer coil pipe and the second-layer coil pipe are both arranged in an annular cavity formed by the outer cylinder and the inner cylinders.

The invention discloses a bearing ring polishing device for bearing production and machining, and relates to the technical field of bearing production and machining. A machine cabinet assembly is arranged at the bottom of the top base, a grinding table is arranged in the center of the top of the top base, supporting columns are arranged at the corners of the top of the top base, a circular plate is arranged at the tops of the supporting columns, a motor is arranged at the top of the circular plate, and an electric telescopic rod is arranged at the bottom of the circular plate. Bearing rings of different specifications and diameters are clamped in a self-adaptive mode through the L-shaped arc top plate, meanwhile, the friction force is gradually increased due to the fact that the guide arc plate and the rubber soft block continuously go deep downwards along with the bearing rings, and the stability of the bearing rings on the top of the grinding table is effectively improved; and the situation that the bearing ring shakes due to high-speed rotation of the grinding disc during grinding, the preset grinding direction of the bearing ring deviates, and the phenomenon that the grinding thickness of the bearing ring is not uniform is avoided.

The present invention relates to the technical field of material processing, and discloses a silicon-containing processing aid for thermoplastic resin and a preparation method thereof. The raw material components of the silicon-containing processing aid include modified polysiloxane, ultrahigh molecular weight polysiloxane, filler and additives; the structural formula of the modified polysiloxane is shown in the general formula (1): (1) The silicon-containing processing aid for thermoplastic resin provided by the present invention can improve the problems of die buildup and melt fracture of thermoplastic resin and its composite material during extrusion; can greatly improve the crystal point problem during film production; and further extend the screw cleaning cycle and equipment service life during processing of thermoplastic resin and its composite material, thereby improving production efficiency and product quality.

The application discloses a honeycomb type rainwater collecting pool in the technical field of municipal engineering drainage, which comprises six side plates, a water inlet pipe, a plurality of columns and two three-hole side plates, two closed side plates and two double-hole side plates. Each column is arranged on one side of each side plate and is in clamping connection with the side plate. Each three-hole side plate, closed side plate and double-hole side plate is in clamping connection with the column and has a hexagonal shape. The honeycomb type modular design is adopted, the six side plates, three-hole side plates, closed side plates and double-hole side plates are clamped and connected through the columns, the overall shape has no fixed size limitation, the number of modules can be freely increased or decreased and the combined form can be arbitrarily adjusted according to the actual space of narrow and irregular sites such as road corners at the end of rainwater branch pipes, cracks in old communities and narrow green belts, and meanwhile, the clamping and positioning structure of the upper fixed plate, lower fixed plate and column ensures the overall stability after assembly.

The present application belongs to the technical field of oily wastewater treatment equipment, and particularly relates to a combined filter and oil removal equipment for oily wastewater treatment. The equipment comprises coalescing filter cartridges and modified quartz sand fillings arranged in the coalescing filter cartridges, and combines a traditional filling filter with a filter cartridge type coalescing oil removal device to form a structure of 'fillings in filter cartridges'. The present application disperses the filter fillings in the coalescing filter cartridges, effectively avoids the problem of hardening of large filling slabs, improves the stability and service life of the system, and has the functions of efficient oil removal and filtration of suspended solids. The equipment has compact structure, small volume and stable operation, can significantly improve the filtration efficiency and reduce the maintenance frequency, and is suitable for oily wastewater treatment systems with large water quality fluctuations.

The utility model relates to the technical field of drainage collectors, and discloses a drainage collector capable of cleaning the interior, a floating ball switch is additionally arranged on one side of a trap, water is drained from a water supply pipeline through a water guide pipe, an electromagnetic valve is arranged in the middle of the water guide pipe, and when the water level in the trap is detected to be too low, the electromagnetic valve is opened, and the water level in the trap is closed. When the anti-blocking floor drain is blocked, the electromagnetic valve is opened, water is supplemented into the trap pipe through the water guide pipe, the situation of odor returning caused by the low water level can be avoided, the anti-blocking floor drain is installed in a floating mode through the spring, the contact switch is arranged on the lower portion of the anti-blocking floor drain, and when the anti-blocking floor drain is blocked, the contact switch is switched on. When the anti-blocking floor drain is used, the pressure of the anti-blocking floor drain is increased due to water accumulation, the thrust of the spring is overcome to press the contact switch, water is conveyed to the flushing cylinder seat through the water guide pipe, and automatic flushing and cleaning of the anti-blocking floor drain can be realized without manual operation; leakage holes in the peripheral side and the lower portion of the anti-blocking floor drain can be effectively washed and cleaned through the washing spray holes.

The invention belongs to the technical field of preparation of compounds, and particularly relates to a device and a process method for producing potassium chloride through two-stage negative pressure evaporation by utilizing an MVR (mechanical vapor recompression) technology. The device comprises an evaporation system, a compression heating system, a negative pressure system and an air supply system, the evaporation system comprises at least two sets of evaporation devices forming continuous production, and each evaporation device comprises an evaporation tank, a heating chamber, a circulating pump and a condensate water tank; the compression heating system comprises a scrubber tower, an evaporation compressor and a steam superheat degree eliminating device; the negative pressure system comprises a water ring vacuum pump, an evaporation compressor and a vacuum cooler; and the air supply system supplies live steam to each section of evaporation device. The method comprises the following steps: blending raw material brine; a first-stage evaporation process and a second-stage evaporation process; a compressor heating procedure; a negative pressure process; and supplementing air. According to the invention, the heat pump technology is utilized to optimize and improve the existing process for producing potassium chloride from bittern, electricity is utilized to replace steam, the production cost can be reduced, and the deficit and even twisting of the process for producing potassium chloride from bittern are realized.

The utility model discloses a kind of anti-clogging filter membrane assemblies, it is related to water filtration technical field, including cylindrical filter membrane and cylindrical hard filter cartridge;The hard filter cartridge is located in filter membrane inside;Hard filter cartridge lower side and upper side are equipped with water inlet pipe and pollution collection box respectively, water inlet pipe is rotatably installed with the impeller rotating with water flow, hard filter cartridge inside is equipped with bracket, and bracket edge is equipped with the brush that is attached with hard filter cartridge inner wall;The impeller is connected with bracket through pivot;The utility model drives impeller rotation by water flow, impeller drives bracket and brush to clean the foreign matter of hard filter cartridge inside, can avoid foreign matter to be stuck on hard filter cartridge;Pollution collection box is set in hard filter cartridge lower side, can accommodate the foreign matter cleaned in large quantity, prolongs the cleaning cycle of hard filter cartridge.

The utility model discloses a kind of PVD coating devices, including target material, for releasing positive charged target material particles after being bombarded;Rotary platform, plating substrate is provided thereon, and rotates at uniform speed along fixed rotation direction;Plating substrate;And negative voltage plate, set in the interior of rotary platform, the negative voltage plate is the annular structure compatible with plating substrate surface.The utility model is through the multiple concentric negative voltage plate of negative electricity, its each unit insulation and can independently control electric field: by positive and negative charge attraction constraint sputtering direction to plating substrate, promote film forming speed and target material utilization rate;Borrow partition electric field compensation film thickness difference caused by rotation, improve uniformity;While reducing the adhesion of anti-attachment component material, reduce maintenance frequency.The utility model promotes film forming efficiency and quality, improves thin film process yield, applicable to semiconductor photomask substrate PVD film forming process.

The invention relates to a system for treating heavy hydrocarbon, which can reduce the content of heavy fraction impurities in a gas-phase component and the content of light components in a liquid-phase component by injecting a cooling aid, a separation aid and an optional gas stripping aid, thereby improving the gas-liquid separation effect. Moreover, the flash separation equipment is separated into a plurality of separation chambers which are arranged side by side through baffles, each separation chamber is provided with a steam-hydrocarbon mixture inlet and a gas phase outlet, and a high-temperature steam-hydrocarbon mixture entering the separation chamber is separated and then directly enters a downstream device from the gas phase outlet of the separation chamber. The hydrocarbon partial pressure can be adjusted without arranging a high-temperature adjusting valve on the gas phase outlet pipeline, so that the fault rate of the high-temperature adjusting valve at high temperature can be reduced, and the service life of the system can be prolonged. In addition, a cyclone hydraulic separator and a tower tray are arranged in each separation chamber, so that the gas-liquid separation efficiency and the flash evaporation effect can be improved.

The utility model discloses a membrane component capable of uniformly aerating, which comprises a membrane shell, a membrane wire distribution frame and an aerating pipe, the membrane wire distribution frame is arranged in the membrane shell, the membrane wire distribution frame is provided with a central pipe, the outer side of the central pipe is provided with a plurality of partition plates, the upper ends of the partition plates are provided with hollow aerating channels, two sides of the aerating channels are provided with aerating holes, and the aerating holes are communicated with the central pipe. An air inlet hole is formed in the pipe wall of the central pipe, and the upper end of the aeration pipe extends into the central pipe and is communicated with the aeration channel through the air inlet hole. According to the utility model, the partition plate is provided with the aeration channel and the aeration holes on the two sides, so that a three-dimensional aeration mode that gas radiates and diffuses from the center of the membrane module to the periphery is realized, different areas of membrane wires can be covered, and the aeration uniformity is obviously improved.

This invention provides an integrated device for controlling microbial contamination in seawater desalination, comprising a base, a high-pressure pump mounted on the left side of the base, an online flow cytometer system mounted on the base, and an RO membrane holder mounted on the right side of the base. The base facilitates the installation of the dosing mechanism, diaphragm pump, and online flow cytometer system. The high-pressure pump pressurizes and delivers seawater for subsequent desalination via the RO membrane. The online flow cytometer system monitors the microorganisms in the seawater delivered by the high-pressure pump and simultaneously controls the diaphragm pump to deliver the bactericide from the dosing mechanism upstream of the cartridge filter, sterilizing the seawater entering the RO membrane and thus extending the cleaning cycle and lifespan of the RO membrane.

The application discloses a rotary air preheater with a multilayer annular heat pipe, relates to the technical field of air preheating, and comprises an outer shell, an inner rotor, a center cylinder, a flue gas inlet, an air outlet, a flue gas outlet, an air inlet, a disturbance mechanism, a ring pipe group, a driving piece and a corrugated plate group. The center cylinder is coaxially arranged at the center position in the outer shell, the inner rotor is rotationally arranged on the outer wall of the center cylinder, the outer wall of the inner rotor is rotationally connected with the inner wall of the outer shell, the inner rotor is driven by the driving piece located at one side of the outer shell, the flue gas inlet and the air outlet are formed in the top end of the outer shell, and the flue gas outlet and the air inlet are formed in the bottom end of the outer shell. The corrugated plate group and the ring pipe group are arranged in the inner rotor, and a plurality of disturbance mechanisms are circumferentially arranged on the inner wall of the ring pipe group. The flue gas and the air are transversely washed to the annular heat pipe, the heat exchange coefficient of the flue gas and the air is strengthened, the deposition rate and deposition amount of ammonium bisulfate on the heated surface can be significantly slowed down, and the safety risk is reduced.

The utility model discloses an automatic balling production line bin top dust remover, which comprises a dust removal cylinder, a dust removal cover head, a reverse air impact guide pipe, a pulse electromagnetic valve, a high-pressure air storage tank and a filter element, the filter element is arranged in the dust removal cylinder, and air outlet holes are distributed in the surface of the reverse air impact guide pipe part in the middle of the interior of the filter element. And an outer port of the anti-air-flushing guide pipe is connected with a port on one side of the pulse electromagnetic valve. The back flushing device has the beneficial effects that the part, with the air outlet hole structure, of the back flushing guide pipe is arranged in the filter element, and high-pressure air in the high-pressure air storage tank is output and discharged from the air outlet hole structure in combination with the opened pulse electromagnetic valve, so that back flushing can be carried out by high-pressure air flow from the inside of the filter element to the outside; meanwhile, the guide-in opening formed in the bottom of the dust removal barrel faces downwards, so that the falling centrality of impurities such as dust is guaranteed, and the cleaning period is prolonged.

The application relates to the technical field of environment-friendly treatment devices, and discloses an electroplating acid mist high-efficiency environment-friendly treatment device which comprises a treatment box, a gas inlet pipe is welded through the side surface of the treatment box, an air suction cover is welded at the end of the gas inlet pipe, a sleeve is welded on the surface of the gas inlet pipe, and heat dissipation fins are welded between the gas inlet pipe and the sleeve. In the application, the screw-belt type heat dissipation fins welded between the gas inlet pipe and the sleeve form a high-efficiency heat exchange channel. When the acid mist flows in the gas inlet pipe, the heat carried by the high-temperature acid mist is transmitted to the alkali liquor in the sleeve through the heat dissipation fins, so that the acid mist is pre-cooled, the alkali liquor is pre-heated, the pre-heated alkali liquor is conveyed into the treatment box under the action of a booster pump, is sprayed on a filler layer, the pre-heated alkali liquor can increase the system temperature, the probability of acid-base ion collision is increased, so that the neutralization reaction time is shortened, the acid mist removal efficiency per unit time is improved, the pre-heated alkali liquor can reduce heat loss, and the energy consumption cost is reduced.

The invention discloses a slaughter workshop air purification device, and relates to the technical field of air purification treatment, the slaughter workshop air purification device comprises a tunnel-shaped box body, the interior of the box body is sequentially provided with a primary filtering assembly, a secondary filtering assembly, a washing assembly, a packed bed assembly, a wire mesh demister and a centrifugal fan from an air inlet to an air outlet; a lifting mechanism is arranged on the upper portion of the box body, a walking trolley is arranged on the track, the washing assembly is arranged on the walking trolley and comprises a washing pipe and a first flushing pipe, and a switching mechanism is arranged on the walking trolley. Pollutants in the slaughter workshop can be removed through multi-stage filtration and purification, so that the purification effect is greatly improved, the positive transformation of the equipment from regular shutdown and high-strength manual disassembly and washing to automatic maintenance and deep cleaning as required is realized, the original purification efficiency of filtration and filling can be continuously recovered, and the service life of the equipment is prolonged. Manual operation risks and labor intensity can be greatly reduced, and stable and efficient operation of equipment in the whole life cycle is guaranteed.

The application discloses a kind of kitchen biogas liquid treatment devices, belong to sewage treatment technical field, it includes connecting plate, ring cylinder, fling filter mechanism, filter mechanism, protective cylinder, butt joint pipe, microwave heating pipe and storage tank, ring cylinder is located on connecting plate, fling filter mechanism rotates and is installed in ring cylinder, filter mechanism is inserted in fling filter mechanism and is communicated, protective cylinder is installed on ring cylinder, butt joint pipe is communicated protective cylinder and fling filter mechanism.The device is transported by centrifugal force generated by fling filter mechanism rotation, microwave heating pipe is heated to reduce viscosity and reduce colloid adsorption, filter mechanism retains impurities, and storage tank collects primary filtrate.The device solves the problem that existing device is easy to block, needs flocculating agent, and maintenance is difficult, realizes efficient filtration, convenient maintenance and low cost.

The utility model provides an aeration machine and aeration equipment with the same, the aeration machine comprises: a center cylinder, the center cylinder is vertically arranged and comprises a first half cylinder and a second half cylinder, the first half cylinder and the second half cylinder are detachably connected, and the first half cylinder and the second half cylinder enclose to form a ring; the air cap is arranged at the lower end of the central cylinder; the aeration rod is arranged in the central cylinder and the air cap in a penetrating manner; the impeller is positioned on the lower side of the air cap and is connected with the lower end of the aeration rod. According to the aeration machine disclosed by the utility model, the central cylinder is divided into the first half cylinder and the second half cylinder, so that the interior of the central cylinder can be conveniently and deeply cleaned, the cleaning steps can be saved, the cleaning time can be shortened, meanwhile, the cleaning effect can be ensured, the cleaning period of the central cylinder can be prolonged, and the maintenance time and the maintenance cost can be further reduced.

The invention provides a transformer box body structure with a separation structure, a vehicle-mounted transformer and a railway vehicle. The box body structure is used for being installed on the outer side of a vehicle, a transformer coil structure is arranged in the box body structure, and a first separation structure and a second separation structure are arranged in the box body structure; a transformer coil structure is contained in a space defined by the first partition structure, the second partition structure, the box body structure and the box body wall. The cooling liquid in the coil cavity is used for being in contact with a coil in the transformer coil structure; the coil cavity is communicated with the liquid inlet accommodating cavity through a through hole formed in the first separation structure; the coil cavity is communicated with the connecting cavity through a through hole formed in the second separation structure; each of the first separation structure and the second separation structure comprises a baffle fixedly connected with the box body structure and an annular sealing structure, a gap is formed between the baffle and the box body structure, and the annular sealing structure is connected with the corresponding baffle.

A centrifugal fan with an air filtering device comprises a machine shell (8), an air outlet pipe (2) of the machine shell is a rectangular pipe body, the air filtering device is installed in the air outlet pipe, the air filtering device is composed of a filter screen (5) and a frame body (6), the filter screen is connected to the frame body, the frame body is of a bent structure, and the filter screen is bent along with the frame body. The filter screen is characterized in that the filter screen is of a curved surface structure after being bent along with the frame body. The centrifugal fan has the beneficial effects that the surface area of the filter screen is larger than the sectional area of the air outlet pipe, so that the interception amount of particulate matters in air can be greatly increased, the cleaning period of the filter screen is prolonged, and the shutdown frequency of the centrifugal fan is reduced; the air filtering device is convenient to assemble and disassemble, and the filter screen is convenient to clean.

The utility model discloses a flue gas guiding device for an SCR (Selective Catalytic Reduction) outlet flue of a coal-fired boiler, which belongs to the technical field of boiler thermal engineering equipment and comprises an SCR denitration reactor, and an outlet of the SCR denitration reactor is arranged downwards and is connected with a fly ash collecting hopper; one side of the fly ash collecting hopper is connected with a flue communicated with the fly ash collecting hopper, an upper-stage air preheater and a guide plate are arranged in the flue, one end of the guide plate extends to an inlet of the upper-stage air preheater, and the other end of the guide plate extends to an outlet of the SCR denitration reactor. According to the utility model, the continuous guide plate is additionally arranged in the connecting flue from the outlet of the SCR denitration reactor to the inlet of the upper-stage air preheater, so that the effect of balancing the flue gas flow on the two sides of the upper-stage air preheater is achieved, and the problem of unbalanced flue gas flow velocity and heat exchange is solved. The fly ash collecting hopper is arranged to collect pulverized coal ash passing through an outlet of the SCR denitration reactor, so that the problem that a channel of the air preheater is blocked due to deposition of the pulverized coal ash is solved.

The utility model discloses a kind of edge corner processing structures for cow leather dancing shoes upper leather processing, including roller conveyor, processing support is installed on the roller conveyor, lifting support is installed on the inboard of the roller conveyor, lifting feeding cutter is installed on the processing support, the lifting feeding cutter includes collection cylinder, a pair of lifting grooves are set up on the processing support, lifting extrusion block is installed in the inboard of the lifting groove, the utility model relates to leather upper production technical field, full-process automation, in combination with roller conveyor, lifting feeding cutter and intelligent control system, complete from leather feeding, extrusion forming to cutting separation Full-automatic operation, significantly reduce manual intervention.

The utility model discloses a frame body structure of a cooling fan, which comprises a fan body, the fan body comprises a fan frame body, a fan device arranged in the fan frame body and a water tank arranged at the lower end of the fan frame body, the fan frame body is respectively provided with an air inlet and an air outlet, and the fan frame body is arranged in a circular shape. The lower end of the fan frame extends to be provided with a connecting part used for being connected with a water tank, the front end and the rear end of the fan frame are provided with an impeller assembly and a dustproof filter plate, an air inlet groove used for arranging the dustproof filter plate is formed in the fan frame along the air inlet, and an air outlet groove used for arranging an impeller is formed in the fan frame along the air outlet. The fan is reasonable in structural design, the fan is tightly and conveniently connected with a water tank through the circular connecting part at the lower end of the fan frame body, water leakage is avoided, the impeller assembly greatly improves impeller rotation stability, noise and collision are reduced, the service life is prolonged, the protective cover is rotationally clamped with the fixing clamping groove through the clamping teeth, installation and disassembly are convenient, and use is convenient. And later maintenance and replacement are facilitated.

This invention belongs to the field of wastewater treatment technology, specifically relating to a method and apparatus for removing COD from high-salt, high-organic-content wastewater. The removal method employs two organic matter retention membranes connected in series to treat the high-salt, high-organic-content wastewater. By controlling appropriate process conditions, these organic matter retention membranes primarily retain organic matter while retaining as little salt as possible, ensuring stable operation of subsequent processes or achieving compliant wastewater discharge. Furthermore, the concentrate obtained after treatment by each organic matter retention membrane is returned in a specific proportion to the inlet of the membrane that produced the concentrate, thereby ensuring efficient and stable membrane operation, improving system recovery rate, and extending membrane lifespan. This invention achieves COD removal from high-salt, high-organic-content wastewater using only a single process, exhibiting high removal rate, good decolorization effect, and high recovery rate. It significantly shortens the process flow and is characterized by being green, efficient, energy-saving, environmentally friendly, and highly reliable.

The utility model discloses an edge computing device machine case protection structure suitable for wide temperature environment, include: shell body, upper cover body, exhaust component and heat dissipation component, the upper cover body is installed to the upper of shell body, the rear end surface of shell body is installed with exhaust component, the inside installation of shell body has heat dissipation component, heat dissipation component includes heat conduction board, the lower surface of heat conduction board is provided with a plurality of transverse interval arrangement distribution's heat conduction cavity, the end of heat conduction cavity installs the assembly pipe for with multiple sets of heat conduction cavity communication, the assembly pipe is U type structure, and the end of heat conduction cavity is installed with liquid inlet pipe and liquid outlet pipe respectively, and one end of liquid inlet pipe and liquid outlet pipe is connected with circulating pump box. It has realized to make edge computing device machine case protection structure can be suitable for wide temperature environment, has effectively improved the heat dissipation effect, has strengthened the adaptability of equipment to wide temperature environment.

The utility model discloses a spraying dust-settling device for recycled aggregate production, which comprises a crusher box body, a feeding bin is arranged at the top of the crusher box body, two crushing rollers are arranged in the feeding bin, a liquid collecting cavity is arranged in the crusher box body, the liquid collecting cavity is communicated with the feeding bin, a notch is arranged in the middle of the crusher box body, and the notch is communicated with the liquid collecting cavity. Two lug plates are fixed to the middle of one side of the crusher box body, rotating rollers are arranged between the two lug plates and in the liquid collecting cavity, and the two rotating rollers are arranged in parallel. The piston rod is pushed upwards to drive the piston to move upwards, when the piston moves upwards, purified water collected in the transfer cylinder can be discharged into the filter cylinder through the second guide pipe, at the moment, the flow direction of the purified water passing through the filter cotton is from top to bottom and is just opposite to the direction of the sewage passing through the filter cotton, and at the moment, the purified water plays a backwashing role. And the filter cotton can be preliminarily cleaned by backwashing, so that the period of dismounting the filter cotton for cleaning can be relatively prolonged.

The invention relates to the technical field of chemical sludge drying, in particular to a chemical sludge drying treatment device which comprises a flocculation tank body assembled on a stacked screw machine body, the cleaning frame is vertically and slidably connected to the inner wall of the flocculation tank body and comprises a plurality of cleaning rods which are vertically arranged, the cleaning rods abut against the inner wall of the flocculation tank body, the cleaning rods are connected with moving rods, a hollow moving column is arranged at the bottom of the interior of the flocculation tank body, and the moving rods are vertically and slidably connected to the inner wall of the moving column; a plurality of communicated air pipes are arranged at the bottom outside the flocculation tank body, the air pipes are communicated with the bottom of the movable column, and a plurality of air outlets are formed in the air pipes. Sludge attached to the inner wall of the flocculation tank body can be cleaned, the condition that the sludge is deposited at the bottom of the inner cavity of the flocculation tank body is improved, smooth flowing of the sludge in the flocculation tank body is kept, the treatment efficiency is improved, and the flocculation process is promoted.