1782 results about "Rinse water" patented technology

The invention provides methods and compositions for treating wash water from concrete production with carbon dioxide. The treated wash water can be reused as mix water in fresh batches of concrete.

The invention relates to the technical field of solid waste treatment, in particular to a phosphogypsum source harmless treatment method. Washing the tail section of the crystal growing slurry filtering system with clean water, and obtaining phosphogypsum after washing, wherein the ratio of the water consumption of the clean water to the phosphogypsum is (1: 10)-(1: 1) cubic / ton; performing size mixing on filter cloth washing water in a crystal growing slurry filtering system and the obtained ardealite to obtain ardealite slurry with the concentration of 20wt%-60wt%; adding a harmless treatment agent A into the obtained ardealite slurry, uniformly stirring and mixing, and reacting for 5-60 minutes to obtain first-stage reaction slurry; adding a harmless agent B into the obtained first-stage reaction slurry, uniformly stirring and mixing, reacting for 20-60 minutes, and filtering to obtain filtrate and harmless ardealite. The comprehensive recovery rate of fluorine and phosphorus valuable components in the wet-process phosphoric acid industry is realized through simple process improvement, and the pollutant content of the phosphogypsum after washing and filtering is reduced; according to the phosphogypsum harmless treatment method, the idea that industrial solid waste is used for treating pollution with waste is utilized, the agent preparation raw materials are wide in source and low in cost, and the agent is a toxic representative for solid waste pollution prevention and control cooperative control and assistant pollution reduction and carbon reduction synergistic interaction.

The invention relates to the technical field of power plant plate heat exchanger cleaning, and provides a plate heat exchanger cleaning device which comprises a water inlet pipeline (1) installed at one end of a plate heat exchanger; the water outlet pipeline (2) is mounted at the other end of the plate heat exchanger; the backwashing structure (3) is connected with the water outlet pipeline (2), pulse type washing water flow is injected into the water outlet pipeline (2), and the pulse type washing water flow is discharged through the water inlet pipeline (1) after washing plate sheets of the plate heat exchanger through the water outlet pipeline (2). Impulse type flushing water flow can be injected into the water outlet pipeline through the backwashing structure, and the flushing water flow reversely flushes the plate sheets of the plate heat exchanger in the direction from the water outlet pipeline to the water inlet pipeline in the pressure state and flushes the plate sheets of the plate heat exchanger in the pressure pulse state, so that the plate sheets of the plate heat exchanger can be washed clean; impurities between the plate sheets of the plate heat exchanger can be flushed away and are not left.

The invention provides methods and compositions for treating wash water from concrete production with carbon dioxide. The treated wash water can be reused as mix water in fresh batches of concrete.

The invention belongs to the technical field of filtering equipment, and discloses a photocuring material filtering device for optical diffusion film coating and a filtering method thereof.The photocuring material filtering device comprises a communicating sleeve and a suction pipe fixedly connected to the top of the communicating sleeve, and a bottom supporting part is arranged below the communicating sleeve. Other filter cartridges and filter assemblies are rapidly switched to move to the suction hole and the first hole through rotation control, rapid switching is achieved, shutdown is not needed in the switching process, rapid replacement treatment can be achieved when one filter assembly is seriously blocked, the filter efficiency is greatly improved, and the filter cost is reduced. The distribution assembly drives the filter cartridge and the filter assembly to rotate and switch, when the filter cartridge and the filter assembly rotate to the position between the flushing assembly and the second hole, flushing water from top to bottom is matched, the filter assembly is reversely flushed, automatic cleaning is achieved, blockages and accumulated filtered matter are flushed out, automatic cleaning is completed, and the practicability is high. Self-cleaning and filtering can be carried out at the same time, and the use effect is good.

The invention discloses a sewage treatment ceramic membrane device easy to disassemble and assemble, which comprises a sewage treatment device, a sewage buffer device and ceramic membrane filtering devices, the sewage buffer device is arranged at one end of the sewage treatment device, and the ceramic membrane filtering devices are uniformly arranged in the sewage treatment device. The sewage treatment device comprises a sewage treatment tank, a clean water tank and a backwashing water tank, and the clean water tank is fixedly connected with the backwashing water tank. According to the present invention, the buoyancy principle of the hollow floating pipe and the hollow floating ball is utilized to automatically regulate and control the inflow and the cut-off of the sewage so as to maintain the sewage amount in the sewage treatment pool, and when the single ceramic membrane is damaged, the single ceramic membrane can be replaced through the simple operations of dismounting the connecting pipe, screwing the locking bolt and the like without the large-scale disassembly of the whole system, such that the cost is reduced; in addition, the device can be replaced in the sewage treatment process, so that the maintenance convenience is improved, and the maintenance cost is reduced.

The invention discloses a waterworks intelligent scheduling system, and particularly relates to the field of waterworks scheduling, and the waterworks intelligent scheduling system comprises a data collection module, a scheduling model calculation module, a water inflow adjustment module and a control instruction issuing module, and the data collection module is used for obtaining scheduling operation data from each device and sensor of a waterworks in real time; a standardized data format is adopted to carry out structured processing on the scheduling operation data, and the data is transmitted to other modules of the system in a network communication mode; the dispatching operation data comprises water inlet amount, water outlet amount, sludge discharge amount, backwashing water amount, sampling water amount, pressure water amount and reservoir liquid level. Various data of a water plant are integrated and analyzed, including water inlet and outlet quantity, sludge discharge quantity, filter tank backwashing queue and water quantity, pressure water quantity, sampling water quantity, reservoir liquid level and the like, and the water quantity change condition and the water quantity adjustment requirement in the plant are predicted through model calculation, so that a scheduling scheme is optimized.

The invention firstly provides a water inlet control method of a washing machine, the washing machine comprises a distance measuring sensor and a controller, the distance between a load and the distance measuring sensor is obtained and marked as a preset value h < standard > when inlet water meets cleaning requirements in a cleaning program, and the distance between the load and the distance measuring sensor is marked as a preset value h < standard > during rinsing inlet water. And when the real distance between the load and the distance measuring sensor is greater than or equal to the preset value h standard, controlling to stop feeding water. The invention further provides a washing machine which is provided with the water inlet control method. According to the water inlet control method of the washing machine and the washing machine, the data detected by the distance measuring sensor are compared with the preset data, so that the water inlet process is accurately controlled, rinsing water inlet is adjusted and controlled according to the distance between the load and the distance measuring sensor during water inlet cleaning and errors are added, rinsing water inlet is further accurately controlled, and the washing efficiency is improved. Insufficient water inflow is avoided, and the rinsing effect is ensured.

The invention discloses sludge discharge equipment with a backwashing anti-blocking structure for sewage treatment, which is based on the traditional screw propulsion sludge discharge principle, and is characterized in that a sludge discharge channel is horizontally arranged at the bottom of a sludge collecting hopper, horizontal screw propulsion sludge discharge is carried out by virtue of a spiral auger, and sewage is filtered out from a plurality of filter holes horizontally arranged at the bottom end of a sludge discharge pipe in a barrier-free manner; as the internal space of the sludge discharge pipe is gradually reduced towards the sludge discharge end, the extrusion force of pushing on the sludge is increased, the sludge is gradually compressed in the efficient water filtering process, the subsequent forming and sludge discharge are facilitated, in addition, the sludge discharge channel is arranged to be in an up-and-down overturning type, the sludge discharge channel is regularly rotated, and the up-and-down positions of the sludge inlet and the filter holes are exchanged; a plurality of groups of backwashing spray pipes are used for backwashing the filter holes, water flows into the sludge discharge channel, and sewage in the sludge discharge channel is effectively discharged towards one side of the sludge inlet in an inclined downward manner under the driving of the reverse rotation of the spiral auger, so that the internal structure of the sludge discharge channel is cleaned, and blockage is prevented.

The utility model discloses a deep defluorination system and relates to the technical field of sewage and wastewater treatment. The device comprises a water inlet / outlet tank, a regeneration tank, a water outlet / inlet tank, a backwashing water tank, a water inlet lifting pump 1, a water inlet lifting pump 2, a backwashing pump and a deep defluorination device, control valves are respectively arranged in the middles of water outlet pipes of the water inlet / outlet pool, the regeneration pool and the water outlet / inlet pool, water outlet ends of the water outlet pipes of the water inlet / outlet pool and the regeneration pool are communicated through a water pipe and are provided with a regenerated liquid inlet control valve 2, and water outlet ends of the water outlet pipes of the regeneration pool and the water outlet / inlet pool are communicated through a water pipe and are provided with a regenerated liquid inlet control valve 3; the deep defluorination device is provided with two pressure type adsorption filter columns which are connected in series, and the two pressure type adsorption filter columns can be switched for use through valve control; the device is simple and reasonable in structure, and can reduce the height of the filter column, reduce the loss of a filter material, improve the defluorination efficiency, prolong the regeneration period of the filter column, improve the regeneration efficiency of the filter material and save the usage amount of a regeneration agent.

A siphon jet flush toilet comprises: a bowl; a rim spout port suppling flush water to the bowl; a discharge trap conduit; a jet spout port spouting flush water toward an inlet of the discharge trap conduit; a reservoir tank including a jet spouting discharge valve and storing flush water; a jet water conduit configured to guide the flush water in the reservoir tank to the jet spout port; and a controller being configured to control a rim spouting in which the flush water is spouted from the rim spout port and a jet spouting in which the flush water is spouted from the jet spout port, wherein the jet spouting discharge valve includes a valve body, the valve body being arranged at a position that is lower than an upper surface of the bowl and higher than a seal water level, and before opening the jet spouting discharge valve, the flush water is supplied to the jet water conduit.

The invention relates to the technical field of jigging magnetic flotation columns, and discloses a jigging magnetic flotation column which comprises an inner cylinder, a magnet exciting coil is fixedly connected to the periphery of the inner cylinder, and an outer cylinder is arranged on the periphery of the magnet exciting coil; a conical concentrator is fixedly connected to the bottom of the inner cylinder, and a pulsation mechanism is arranged on one side of the conical concentrator; and the inner cylinder is connected with a feeding mechanism. The technical problems that a large amount of washing water needs to be used for elutriating the magnetic separator, and the concentration of reagents is affected by adding water into a flotation column are solved, the magnetic separation method for magnetite by applying magnetic levitation is possible, the magnetic separation magnetic field intensity is synchronously and reversely adjusted, and the problems of overflow tailing black running and magnetic ore concentrate magnetic inclusion caused by jigging pulsation are solved; the accidents that the ore pulp of the flotation column runs out of the groove and overflows and the elutriation magnetic separator runs out of the groove and overflows are prevented, and the product recovery rate and the concentrate index are also improved.

A WC device with a WC body and a flushing water supply device for supplying flush water to the toilet body. The flush water supply device is provided with a water connection for drinking water for use as flush water. The WC body has a bowl-shaped WC body section and a subsequent odor trap. The bowl-shaped WC body section has a porous inner surface which is connected to a device for supplying cleaning fluid for keeping the porous inner surface clean. The flushing water supply device is provided with at least one back-suction safety device, which prevents back-suction of cleaning liquid from the porous inner surface to the water connection. Thus, the WC device completely or at least largely prevents excrement or dirt residues from adhering to the inner surface of the WC body, and the back-suction safety device provides hygienically flawless protection on the drinking water side.

The invention discloses a floating type riverway water quality detector for municipal environment monitoring, and belongs to the technical field of water quality detectors, the floating type riverway water quality detector comprises a floating body floating in a riverway, the lower end of the floating body is fixedly provided with a fixing cylinder for sampling, the inner side of the floating body is fixedly provided with a partition plate, and the partition plate is provided with a detection module; a drainage pipe is rotationally connected to the center of the rotating seat, a sample tank for collecting samples and a water outlet pipe for discharging washing water are mounted on the partition plate, a water inlet groove is formed in the lower end of the fixing cylinder, a purification assembly is mounted on the inner side of the water inlet groove, and meanwhile an elastic rubber sheet is mounted at the upper end of the water inlet groove. The floating type river water quality detector for municipal environment monitoring can conveniently collect and store a water sample in the detection process, and can flush a pipeline by using a purified water body after single detection, so that the subsequent detection precision is ensured.

The invention relates to the technical field of latex product production, and provides a production line applied to impregnation-method latex products aiming at the problem that a forming mold of a meteorological balloon production line is inconvenient to clean, the production line comprises a coagulator pool, a latex impregnation pool, a flushing pool, a hot water pool, a demolding pool, a forming mold and a carrying mechanism; the forming mold comprises a mold frame, and a plurality of ball molds are vertically arranged at the bottom of the mold frame. The carrying mechanism is used for hanging the forming mold, and the carrying mechanism can move to and fro among the coagulator pool, the latex dipping pool, the flushing pool, the hot water pool and the demolding pool; the flushing pool is further provided with a flushing support and a cleaning assembly, and the flushing support is used for being in lap joint with a mold frame of the forming mold. And the cleaning assembly comprises two supporting plates, the two supporting plates are arranged on the two opposite sides of the flushing support in a supported mode correspondingly, and a plurality of flushing water pipes are installed on the opposite sides of the two supporting plates correspondingly. The forming mold has the effect of facilitating cleaning of the forming mold.

The utility model discloses a gauze cleaning and dewatering device, and particularly relates to the technical field of medical gauze production, which comprises a box body, openings are arranged at two ends of the box body, a drain pipe is arranged on the side wall of the box body, a spraying mechanism is arranged at one end of the top of the box body, and a drying mechanism is arranged at the other end of the top of the box body. A partition plate is fixed in the middle of the interior of the box body, and a channel is formed in the side wall of the partition plate; and the guide roller assembly is arranged in the box body and is close to the lower position of the spraying mechanism. Through the arrangement of the guide roller assembly, gauze can be continuously arranged among the first guide roller, the second guide roller, the third guide roller and the fourth guide roller in an S-shaped penetrating mode, the surface of the gauze is swept through the sweeping mechanism, in cooperation with flushing water, dust adhering to the two faces of the gauze is rapidly removed, impurities can be effectively removed, the cleaning effect is good, and the cleaning efficiency is high. And double-face cleaning can be achieved at the same time, efficiency is high, and the using effect of the device is greatly improved.

The invention relates to the technical field of water filtration treatment, and particularly discloses an agricultural irrigation horizontal net type gravel filtration treatment system which comprises a gravel bin, a flow equalizing assembly, an opening and closing assembly, a detection assembly and a vibration assembly, and the gravel bin comprises a coarse sand bin, a medium sand bin and a fine sand bin; sewage can uniformly enter the gravel bin through the flow equalizing assembly, the medium sand bin and the fine sand bin are both closed through the opening and closing assembly, the sewage is filtered through the coarse sand bin, when only the fine sand bin is closed, the sewage is filtered through the coarse sand bin and the medium sand bin, the medium sand bin and the fine sand bin are both opened, and the sewage is filtered through the coarse sand bin, the medium sand bin and the fine sand bin; therefore, different filtering effects can be selected according to actual use requirements, the detection assembly can detect the cleanliness of backwashing water, the speed of inputting the backwashing water is adjusted according to a detection result, and the vibration assembly can vibrate medium sand and fine sand, so that impurities attached to the medium sand and the fine sand are reduced, and the service life of the medium sand and the fine sand is prolonged. And the washing effect on the medium sand and the fine sand is further improved.

The invention discloses an electroplating wastewater concentration and filtration system and method based on secondary RO, and relates to the field of electroplating wastewater concentration and filtration, and the system comprises a pretreatment unit, a primary RO unit, a secondary RO unit, a concentration treatment unit and a control unit. According to the electroplating wastewater concentration and filtration system and method based on the secondary RO, secondary RO treatment can further improve water quality on the basis of primary RO, molecular pollutants and salt of different sizes can be gradually removed by accurately designing performance parameters and an arrangement mode of two stages of RO membrane assemblies, and compared with traditional primary RO treatment, the system and the method have the advantages that the water quality is improved, and the cost is reduced. According to the system, the recycling rate of the electroplating wastewater can be increased to 90% or above from 60%-70%, the taking amount of fresh water is greatly reduced, meanwhile, the water quality of secondary RO fresh water can meet the high requirement for rinsing water in the electroplating process, the product quality can be effectively guaranteed, the defective rate caused by the water quality problem is reduced, and the production benefit is improved.

The invention relates to the technical field of underwater equipment, in particular to a submersible type swimming pool cleaning robot which comprises a machine shell and a walking assembly, the front end and the rear end of the machine shell are each provided with a cleaning roller in transmission connection with the walking assembly, a filtering bin is arranged in the machine shell, a filtering net is arranged on the filtering bin, an inner cavity of the filtering bin is a sewage cavity, and the inner cavity of the filtering bin is provided with a water outlet. A clean water cavity is formed between the filtering bin and the machine shell, a water inlet communicated with the sewage cavity is formed in the bottom of the machine shell, a water outlet communicated with the clean water cavity is formed in the top of the machine shell, a water pumping assembly is arranged in the clean water cavity of the machine shell, a direct flow channel is formed between the water pumping assembly and the filtering bin, and a drainage assembly is arranged in the direct flow channel. The drainage assembly comprises two drainage plates. Reverse flushing water flow flushes the area, right opposite to the water pumping assembly, of the filter screen and other areas in a staged mode under the assistance of the drainage plate, the overall cleaning effect of the filter screen is guaranteed, and continuous cleaning of water in a swimming pool is guaranteed.

Provided is a flush toilet device in which flushing can be effectively performed with small amount of flush water by accurately setting opening times for individual drain valves. A flush toilet device (1) of the present invention includes a flush toilet main body (2), a flush water tank (4), a first drain valve (10) configured to control flush water from a rim spout port (2d) by opening and closing a first drain port (4b) provided in the flush water tank, a second drain valve (12) configured to control flush water from a jet spout port (2e) by opening and closing a second drain port (4c) provided in the flush water tank, and a hydraulic drive mechanism (16) configured to open the first or second drain valve by using water supply pressure of flush water supplied from a tap water supply line to the flush water tank.

The invention relates to the technical field of control, in particular to a method and device for calculating the water saving amount of a demister of a wet desulfurization system, electronic equipment and a storage medium, the method is applied to a control unit in the wet desulfurization system, and a spraying area, a water collecting area and a demisting area are sequentially arranged in a desulfurization tower of the wet desulfurization system in the flue gas flowing direction. And at least one demister is arranged in the demisting area. According to the method for calculating the water-saving amount of the demister of the wet desulphurization system, the average water-saving amount is calculated by dynamically calculating the number of iterations and the single-time water-saving amount of cyclic utilization of flushing water in combination with the structural characteristics of a spraying area, a water collecting area and a demisting area in a desulphurization tower and the operation logic of a cyclic flushing water system, and the water-saving amount of the demister of the wet desulphurization system is calculated. Accurate quantification of the water saving amount and system optimization control are achieved, the water saving effect is quantified, data support is provided for system design, and meanwhile the water balance reliability of the desulfurization system is improved.

The invention provides a non-ferrous metal metallurgy high-chlorine wastewater treatment device, and relates to the technical field of wastewater treatment equipment, the non-ferrous metal metallurgy high-chlorine wastewater treatment device comprises an electrolysis assembly, the electrolysis assembly is connected with a flocculation reaction tank, and the flocculation reaction tank comprises a dosing tank, a stirring reaction tank, a large-particle reactant forming tank and a waste sedimentation tank; an overflow plate is arranged at the upper part of the large-particle reactant forming pool, and a water lifting component is arranged at the lower part; a plurality of high-strength membrane pipes are arranged above the waste sedimentation tank, and a flushing water pipe is arranged between every two high-strength membrane pipes in a penetrating manner. The sewage treatment device has the beneficial effects that the electrolysis assembly and the flocculation reaction tank are arranged, wastewater is electrolyzed through the electrolysis assembly and then passes through the flocculation reaction tank, impurities in the water are separated out through reaction, and finally fully purified water is obtained; sludge and waste separated out of water can be discharged in time, secondary pollution of purified water is avoided, and therefore waste water purification can be completed more efficiently.

The invention relates to the technical field of flushing, and particularly discloses an intelligent concrete tank car flushing platform based on the Internet of Things. When a tank car is flushed through a flushing platform main body and the concrete tank car is driven into the flushing platform, a sensor automatically detects the arrival of the car and sends a signal to an intelligent control module; the intelligent control module starts the multi-degree-of-freedom mechanical arm and the flushing spray head to automatically flush the tank truck, the moving speed of the mechanical arm and the flushing water pressure are adjusted in the flushing process according to the different areas and thicknesses of stains in all the areas of all the soil tank trucks, and meanwhile, if the soil tank trucks are not flushed thoroughly for the first time and are flushed for the second time, the flushing water pressure is adjusted; the secondary flushing water pressure can be automatically adjusted according to the first-time cleaning degree, and water can be saved to the maximum extent while thorough flushing is ensured.

The utility model relates to a urination toilet room with a urine collection function, which comprises a toilet room internally provided with a urinal; the flushing mechanism is arranged on the urinal and used for flushing the urinal; the urine collecting mechanism comprises a collecting pipe used for collecting urine, one end of the collecting pipe is communicated with an inlet of a first pump body, an outlet of the first pump body is communicated with a collecting box, and a first electromagnetic valve is arranged on the collecting pipe; the sewage collecting mechanism comprises a sewage pipe used for recycling sewage, and one end of the sewage pipe is communicated with an inlet of the second pump body. The flushing mechanism, the collecting pipe, the first pump body, the collecting box, the first electromagnetic valve, the sewage pipe, the second pump body, the sewage box and the second electromagnetic valve are used in cooperation, so that urine and sewage are separated and collected; the urine is prevented from being mixed with a large amount of flushing water, the concentration of effective components in the urine is prevented from being reduced, the recycling cost of the urine is effectively reduced, and the recycling rate of the urine is increased.

Provided herein are methods and compositions for carbonation of recycled concrete aggregates (RCA) to produce carbonated RCA. In addition, uses of the carbonated RCA, such as in building materials, and building materials containing RCA, are included. Carbonation of RCA may be used alone or may be used in combination with other carbonation processes associated with concrete manufacture, such as carbonation of wet concrete mixes and / or carbonation of concrete wash water.

The invention relates to the technical field of filter element self-cleaning, and particularly discloses a filter element self-cleaning device of a filter, the filter element self-cleaning device comprises: a device body, one side of the device body is provided with a sewage inlet, the upper and lower ends of the other side of the device body are respectively provided with a backwashing port and a water outlet, the device body is internally provided with a filter element, and the top of the filter element is rotatably connected with a connecting frame; the filter element also comprises a drainage groove, the drainage groove is fixed on the surface of the filter element, and the backwashing water flow impacts the arc-shaped surface of the drainage groove, so that the filter element rotates under the pushing of the backwashing water flow; the cleaning assembly is arranged in the filter element, the cleaning assembly comprises a cleaning brush abutting against the inner wall of the filter element, and the cleaning brush abuts against the surface of the filter element to remove impurities attached to the filter element; the filter elements are different in blockage degree, the required cleaning force is different, and the pressing pressure of the cleaning brush on the filter elements and the flushing pressure of the backwashing water flow are adjusted according to the blockage degree of the filter elements.

The present invention provides a flush toilet apparatus that includes a flush toilet main body, and a flush water tank that is fixed via at least two fixing points and causes flush water to flow into a water inlet of the flush toilet main body, in which the water inlet is provided at a position eccentric to one side with respect to a lengthwise center line of the flush toilet main body, two of fixing points are each disposed on both sides of the discharge port, and are disposed so that a straight line connecting the two fixing points passes through the discharge port in a top view, and the fixing point located on a rear side among the two fixing points is located closer to the lengthwise center line of the flush toilet main body than a center point of the discharge port.

The invention relates to the technical field of sewage treatment, in particular to a backwashing multi-medium filtering device, which comprises a washing assembly, a tank body, a drain outlet, a water outlet and a water conveying pipe, the pushing assembly comprises a filtering layer, a servo motor, a washing column arranged in the filtering layer, a moving column arranged on the inner wall of the washing column and a spray washing column arranged on the inner wall of the washing column; a servo motor drives a lower connecting disc to rotate slowly, the connecting disc drives a water pipe to rotate below a filter layer, water flow is sprayed into the filter layer from the bottom of the filter layer through a water spraying opening in the surface of the water pipe, and filter materials at the bottom of the filter layer are washed in cooperation with backwashing water flow; the washing columns in the filter layers rotate together, the spray washing columns on the surfaces of the washing columns can be intermittently opened, vortexes are sprayed outwards, the filter materials on the layers are further washed, impurities are separated from the filter materials, finally, the impurities are discharged through reverse impact water flow at the bottom, and the sewage treatment efficiency is improved.

The utility model provides a double-water-tank oral irrigator capable of switching liquid sources. The double-water-tank oral irrigator comprises an electromagnetic valve, a first water tank, a second water tank, a water conduit and a pump assembly. The electromagnetic valve comprises an outlet part, a first inlet part, a second inlet part, a valve element and an electromagnetic coil. The valve element can be controlled to move to block the first inlet part or the second inlet part by controlling on-off of the electromagnetic coil. The first inlet part is connected to the first water tank, the second inlet part is connected to the second water tank, and one end of the water conduit is connected to the outlet part. The pump assembly is connected to the other end of the water diversion pipe and a spraying opening of the double-water-tank oral irrigator. The first water tank can be used for storing tooth washing water, the second water tank can be used for storing mouth wash, a user can select liquid through the electromagnetic valve, for example, the mouth wash is used for rinsing the mouth after tooth washing is completed, and portability is high.

The filter comprises trundles, the trundles are symmetrically arranged on a main water tank, a washing support is fixedly connected to the main water tank, a washing motor is fixedly connected to the washing support, the output end of the washing motor is fixedly connected to a washing water pump, and the output end of the washing motor is fixedly connected to the washing water pump. The flushing water pump is fixedly connected to the flushing bracket; according to the invention, after primary filtration by the magnet filter, large-particle impurities are secondarily filtered by the water tank filter screen, and third-stage fine filtration is carried out by the filter element, so that the purity of the cutting fluid is improved, and the temperature can be constant in a set temperature range under the action of the coil immersion type water cooling machine; the water cooling machine coil pipe can make the grinding liquid reach the set temperature more quickly, the filtering precision is high, and constant-temperature control over the grinding liquid can be achieved; the smudginess condition of the filter element is automatically monitored through the pressure gauge, and the filter element can be automatically and efficiently cleaned, so that the operation stability of the equipment is guaranteed.