4770results about "Gravity filters" patented technology

A water inlet protection system is provided. The system may an adjustable frame defining an interior cavity, the adjustable frame including a plurality of rigid base members, a plurality of slidable corner members, a plurality of nut-and-bolt fasteners, and one or more tabs extending from one or more of the corner members. Each of the slidable corner members includes one or more slots, and each of the nut-and-bolt fasteners includes a bolt that extends through one of the one or more slots and one of the rigid base members. When the respective bolt is loosened, the respective slidable corner member is slidable along the respective slot atop the respective rigid base member, thereby altering a boundary of the interior cavity. When the respective bolt is tightened, the respective slidable corner member is fixed in place atop the respective rigid base member, thereby fixing the boundary of the interior cavity.

The invention relates to the technical field of soil layer drilling, in particular to an efficient underground water quality detection sampling device which comprises a base, a fixing seat is further arranged on the base, and a device storage structure and a sample storage structure are arranged on the left side and the right side of the fixing seat respectively; a supporting structure is further arranged in the middle of the fixing base and comprises a vertical plate, a transverse plate, an axial motor, a mounting base, a lead screw, a guide rod and a drill rod. The drill rod is connected with the mounting seat through a rotating piece; the drill rod comprises a drill bit, a rod body, a sampling water pump and a sampling pipe; a sampling hole is further formed in the drill bit, and a liquid collecting cavity which is coaxially distributed is formed in the center in the rod body; a first cavity and a second cavity which are distributed from inside to outside are further formed in the rod body and located on the outer side of the liquid collecting cavity, and the sampling hole extends inwards, penetrates through the first cavity and the second cavity and is communicated with the liquid collecting cavity. The device is reasonable in structural design, filtering, collecting, sampling and storing operation of underground water at different heights can be completed on the basis that efficient drilling of underground water soil layers at different depth positions is achieved, and the using effect is good.

The invention discloses a pilot-operated type pressure reducing valve with self-dredging and anti-blocking functions, and relates to the technical field of pressure reducing valves. The anti-blocking valve comprises a valve body, an opening and closing piece is arranged in the middle of the interior of the valve body, an anti-blocking device is arranged on one side of a water inlet in the valve body and comprises a U-shaped frame, the U-shaped frame is fixed in the valve body, an impeller is rotationally installed on the left side of the U-shaped frame, and a frame plate ring is fixed to the left side of the impeller; a blade rod is fixed to the middle of the left side of the frame plate ring, and a spiral cutter rod is fixed to the side, away from the blade rod, of the left side of the frame plate ring. Through the arrangement of the impeller, fluid drives the impeller to rotate, the impeller drives the frame plate ring to rotate, the frame plate ring rotates the blade rod and the spiral cutter rod, the spiral cutter rod rotates to scrape impurities attached to the inner wall of the valve body, and therefore the problem that the impurities are attached to the valve body, and consequently the valve body is blocked is solved.

The present invention provides to a filter residue treatment device, comprising a means for supplying a pressurized fluid, a housing comprising a) a first inlet for the introduction of a medium different from the pressurized fluid and comprising a filter residue and b) a second inlet for the introduction of the pressurized fluid and an inflatable or flexible means comprised in the housing and configured and arranged for being operated by the pressurized fluid such that in an inflated or flexed state it pushes the filter residue comprised in the medium introduced through the inlet towards a filter means.

The invention relates to the technical field of medicine processing, and discloses mixed liquid filtering equipment for ciprofloxacin lactate medicine processing, which comprises a filtering tank, one side of the filtering tank is fixedly connected with a shell, the interior of the filtering tank is fixedly connected with a flow guide plate, the bottom of the filtering tank is fixedly connected with a funnel pipe, and the funnel pipe is fixedly connected with the shell. A filter bag is arranged at the bottom of the guide plate, long rods are fixedly connected to the periphery of the bottom of the filter bag, a spray-washing pipeline and a rubber plate are further included, and a cleaning assembly is arranged at the top of the filter bag. According to the mixed liquid filtering equipment for ciprofloxacin lactate medicine processing, replacement and alternate use of a filter bag can be achieved, impurities in the used filter bag are poured out, and the filter bag is washed from inside to outside after being turned over, so that the influence of downtime of manual maintenance of the equipment on the processing efficiency of the equipment is reduced, and the processing efficiency of the equipment is improved. The influence on the filtering quality of the medicine mixed liquid caused by impurities accumulated in the filter bag is avoided.

An underdrain filtered water collection system includes: a pair of opposing drainpipes, each drainpipe having a plurality of collection drains; and a diffuser screen. The diffuser screen can slide within an outlet in each of the collection drains. A diffuser screen for a pressure vessel containing filter media includes: a screen pipe; a solid plate coupled to a base of the screen pipe; and a winged diffuser arranged around an outer circumference of the solid plate. The winged diffuser includes a plurality of foldable wings. The screen pipe includes a mesh screen having preconfigured interstices therethrough. Feed water flows through the screen pipe where it is directed by an inner surface of the solid plate to flow in a diffused flow through the interstices of the mesh screen and the wings.

The invention provides a coalescence-selective filtration-deep bed filtration efficient oil-water separation system which comprises a coalescence system, a selective filtration system and a deep bed filtration system, oily wastewater enters a coalescer, and tiny oil droplets are coalesced into larger oil droplets through wetting coalescence and collision coalescence; the coalesced wastewater enters a selective filter, oil droplets and water respectively flow out through an oil channel and a water channel, and primary separation is realized; according to the present invention, the water after the primary separation enters the deep bed filter to achieve the deep separation, the efficient oil-water separation and the water quality standard discharge or reuse are achieved through the combination process of coalescence, selective filtration and deep bed filtration, and the system has advantages of high treatment efficiency, low energy consumption, less carbon emission, oil and water recycling, or water standard discharge.

A water filtration system is also disclosed. The water filtration system includes a regenerative media filter vessel, a filtrate line, a feed line, a recirculation line, a gas line, and at least one pump. A method of filtering water in a system comprising a regenerative media filter is disclosed. The method includes operating the system in a filtration mode, operating the system in a cleaning mode responsive to a differential pressure measurement across the regenerative media filter, operating the system in an aeration mode, operating the system in a pre-filtration mode after operating the system in the cleaning mode, operating the system in a drain mode, and operating the system in the filtration mode following the drain mode. A controller and non-transitory computer-readable medium having computer-readable signals stored thereon that define instructions that, as a result of being executed by the controller, instruct the controller to perform a method of operating a water filtration system are disclosed.

The utility model discloses a water treatment device adopting an ozone micro-nano bubble coupling electrochemical oxidation process. The water treatment device comprises an ozone generating device, a micro-nano bubble generating device, a BDD (Boron Drain Discharge) electrode unit and an air flotation filter tank device, the device has the following beneficial effects: (1) the Venturi jet device is adopted to release ozone micro-nano bubbles, so that wastewater and the micro-nano bubbles are fully stirred and mixed and are fully contacted with the BDD electrode for oxidative degradation, and the impact force formed by jet flow can wash the BDD electrode plate, so that the BDD electrode plate is prevented from being easily blocked; (2) an ozone micro-nano bubble technology and a BDD electrode technology are coupled to generate a synergistic effect, a large number of hydroxyl radicals are generated, the oxidation capacity is enhanced, the organic matter removal capacity is improved, and the sterilization, decoloration and deodorization capacities of the device on raw water are enhanced. And (3) the BDD is combined with an air flotation process, so that the occupied area is reduced, and the layout is optimized. And (4) fine particles in the water body are further removed by the air floatation superposition filter tank, and the concentration of suspended particulate matters is reduced.

The invention discloses cleaning equipment for a feed production waste gas purification tank. The cleaning equipment comprises a purification tank body, an adjusting assembly, a cleaning assembly and a filtering assembly; a waste gas treatment section and a waste liquid treatment section are arranged on the purification tank body, a liquid inlet pipe is arranged on the outer wall, close to the waste gas treatment section, of the waste liquid treatment section, and a liquid outlet pipe is arranged at the bottom of the waste liquid treatment section; a motor drives a main gear to further drive a driven gear and a rotating cylinder to rotate, an annular base is in threaded connection with a cleaning pipe, so that the whole cleaning pipe rotates and moves upwards, a scraping plate at the bottom scrapes the inner wall of the purification tank body, and meanwhile conical filter cloth is driven to move up and down, so that the conical filter cloth is cleaned more thoroughly; and finally, water is injected into the purification tank body through a liquid inlet pipe to wash the scraped impurities, and wastewater is discharged through a liquid outlet pipe, so that the conical filter cloth and the interior of the purification tank body are ensured to be clean and tidy, and subsequent filtration and purification of toxic gas are facilitated.

A water filtration system is also disclosed. The water filtration system includes a regenerative media filter vessel, a filtrate line, a feed line, a recirculation line, a gas line, and at least one pump. A method of filtering water in a system comprising a regenerative media filter is disclosed. The method includes operating the system in a filtration mode, operating the system in a cleaning mode responsive to a differential pressure measurement across the regenerative media filter, operating the system in an aeration mode, operating the system in a pre-filtration mode after operating the system in the cleaning mode, operating the system in a drain mode, and operating the system in the filtration mode following the drain mode. A controller and non-transitory computer-readable medium having computer-readable signals stored thereon that define instructions that, as a result of being executed by the controller, instruct the controller to perform a method of operating a water filtration system are disclosed.

The invention discloses raw water filtering equipment and process for processing oxygen-enriched mineral water, and relates to the technical field of filtering equipment. When raw water of mineral water is filtered, impurities in the water are generally filtered out by adopting a filter bag, and when the filter bag is used, the impact of the raw water on the filter bag cannot be buffered, so that the gap of the filter bag is enlarged or the filter bag is broken, and the normal operation of filtering is influenced. Through the sliding fit between the sliding sleeve ring and the outer sliding cylinder and the elastic deformation of the elastic backing ring, when the instantaneous leading-out amount of raw water is large and the acting force for obliquely impacting the filter bag downwards is large, the impact force is transmitted to the sliding sleeve ring through the filter bag, so that the sliding sleeve ring compresses the elastic backing ring to deform, the sliding sleeve ring slides downwards, the impact force is buffered, and the service life of the filter bag is prolonged. The problems that the impact force borne by the filter bag during filtering cannot be buffered, the filter bag is broken, and raw water cannot be filtered are avoided.

A filtering apparatus is configured to receive pressurized fluid from a pump. The filtering apparatus has a main inlet, a main outlet, and a filtering branch comprising a first filter. An agitator of a tank from which the pump draws is configured to receive fluid flow from the filtering branch via a proportional valve and an inlet connection. A method of operating a filtering system includes influencing fluid flow from a tank to one or more nozzles via a filtering apparatus; and diverting a portion of the fluid flow through plural filters of a different mesh size back to an agitating mechanism through a lower portion of the tank.

The utility model discloses a vacuum filter cup. The vacuum filter cup comprises a filter cup, a connector, a receiving bottle and a suction filtration nozzle; the inner bottom of the filter cup is sunken downwards to form a filter membrane placing table for placing a filter membrane, the filter membrane placing table is square, the edge of the filter membrane placing table is used for being attached to the edge of the filter membrane, the middle of the filter membrane placing table is further sunken downwards to form a filtrate flow guide area, and the sunken depth of the filtrate flow guide area is increased from the edge to the center. A flow guide rib extending from the edge part to the center is arranged in the filtrate flow guide area, a filtrate hole is formed in the center of the filtrate flow guide area, and the filtrate hole extends downwards to form a filtrate outlet pipe. The effective filtering area of the filter membrane can be increased, and the filtering efficiency and the filtering flux are improved.

The present invention provides an anti-clogging three-screw pump mechanism, which includes a pump body, a filtering mechanism, a cleaning mechanism and a driving mechanism, wherein a water inlet pipe is provided on the pump body; the filtering mechanism includes a barrel connected between the first tube body and the second tube body, wherein the barrel body is provided with a filtering cavity evenly distributed along its circumference, and the filtering mechanism also includes a filter element detachably connected to the filtering cavity, wherein each filter element is provided with a sensing element; the cleaning mechanism is rotatably connected to the barrel body through a rotating shaft; the driving mechanism includes a driving shaft, a base provided at the end of the driving shaft, a pin protruding from the base away from the driving shaft, and a driven block coaxially arranged with the barrel body and sleeved on the outer periphery of the barrel body. In the anti-clogging three-screw pump mechanism provided by the present invention, the sensing element controls the driving mechanism to rotate the filtering mechanism, thereby replacing the filter element for filtering the material transported by the first tube body with the next one.

The utility model discloses an energy-saving flue gas treatment device for an electric melting furnace, and relates to the technical field of flue gas treatment of electric melting furnaces. The device comprises a base and further comprises a purification box arranged on one side of the top of the base, a heat exchange box is arranged on the other side of the top of the base, a smoke inlet flue is connected to one side of the top of the heat exchange box in an inserted mode, and a liquid level meter is arranged at the front end of the heat exchange box. The spraying dust-settling assembly is arranged on the other side of the purifying box, water in the purifying box is pumped out through the pump machine during use, impurities in the filter cover are used for filtering, the situation that the impurities are sucked into the pump machine and attached to an impeller for a long time, and normal operation of the pump machine is affected is avoided, the impurities are conveyed into the annular spraying pipe through the conveying pipe, and the water purifying efficiency is improved. And then the flue gas which is fused with the water body and absorbs impurities is further absorbed and subjected to dust falling treatment under spraying of the spraying opening, so that the flue gas treatment effect of the device by utilizing a liquid absorption method is further improved, and the practicability is high.

The invention relates to the technical field of swimming pool filtration, in particular to a composite treatment method of a filter aid for swimming pool filtration, which comprises the following steps: S1, adding the filter aid: adding a powdered activated carbon filter aid into a filter through a feeding pump, and forming an activated carbon filter aid filter cake in the filter; s2, filtering: intercepting or adsorbing impurities when the water in the to-be-treated pond is filtered through an activated carbon filter aid filter cake and a filter, and continuously or intermittently supplementing a powdered activated carbon filter aid in order to maintain the filtering efficiency; s3, backwashing: when the pressure difference of the filter reaches a set value, backwashing is started, and intercepted and adsorbed pollutants and the activated carbon filter aid filter cake slurry are discharged into a drainage system together. The device has the effects of efficiently removing chloramine and other disinfection by-products, peculiar smell, pigment and other pollutants, guaranteeing the water quality safety of the swimming pool and maintaining normal operation of the swimming pool.

The invention discloses a water purification method and system for urban and rural integrated water supply, and relates to the technical field of water treatment. The water purification method for urban and rural integrated water supply solves the problems that an existing system is poor in process adaptability, inaccurate in control and low in energy efficiency. Water quality and pipe network data are collected in real time through a sensor; an adjustable folded plate flocculation device is adopted, and the flocculation effect is optimized in combination with turbidity dynamic adjustment; constructing a multi-parameter dosing model, and dynamically dosing according to flow, turbidity and the like; the LSTM neural network is used for predicting the state of a filter layer, and air-water pulse backwashing is intelligently controlled; and adding a composite flocculant to enhance pollutant removal, and realizing water quality prediction and system collaborative optimization by virtue of a random forest algorithm and a digital twin platform. The flocculation efficiency is improved, dosing is accurately controlled, energy consumption and water resource waste are reduced, and an efficient and stable scheme is provided for urban and rural water supply.

The invention relates to the technical field of sewage treatment, in particular to a landfill leachate biochemical treatment pretreatment device which comprises a bottom cylinder, a lifting cover is movably arranged above the bottom cylinder, a supporting plate is fixedly arranged on the outer wall of the bottom cylinder, a telescopic air cylinder is fixedly arranged on the upper surface of the supporting plate, and a fixing plate is fixedly arranged on the outer wall of the lifting cover. And the telescopic end of the telescopic air cylinder is fixedly connected with the lower surface of the fixing plate, and a supporting seat is fixedly arranged on the inner wall of the bottom of the bottom cylinder. According to the invention, large-particle solids, suspended solids, part of organic matters, heavy metals and other impurities in the leachate can be effectively filtered out, and meanwhile, the impurities can be automatically cleaned, so that the filter bag is continuously recycled, the leachate can be continuously treated, the treatment efficiency is effectively improved, and the treatment cost is reduced. The lifting cover can be directly lifted through the telescopic air cylinder, so that the filter bag can be conveniently replaced and cleaned, meanwhile, the equipment can be conveniently overhauled and maintained, and the use effect is better.

The utility model discloses a denitrification deep bed filter treatment device which comprises a filter body, a water inlet pipe, a water outlet pipe, a filler layer, a gravel layer and a quartz layer, partition plates are uniformly and fixedly connected in the filter body, through holes are uniformly formed in the upper side and the lower side of each partition plate, a dirt scattering channel is formed in each partition plate, and a water collecting pipe is arranged on one side of the filter body. The bottom side in the filter tank body is fixedly connected with a fixing plate, the fixing plate is provided with a groove, a first baffle is fixedly connected in the groove, the bottom end of the first baffle is fixedly connected with a driving motor, and the output end of the driving motor is fixedly connected with a second baffle; according to the utility model, the spacing plates are arranged among the filler layer, the gravel layer and the quartz layer, the through holes are formed in the spacing plates, then the sewage discharge channels are arranged in the spacing plates, and the impurities of the filter material are treated through the water collecting pipe, the water distributing pipe and the nozzles, so that the layering of the filter material can be ensured, and the treatment efficiency of the impurities and sludge is improved.

The invention discloses a method for improving the operation efficiency of a filter tank, and belongs to the technical field of water treatment.The method includes the steps that the situation change rule of a filter material of the filter tank in the backwashing process is observed, the optimal backwashing state is found, and the internal mechanism relation of the porosity of the filter material, the expansion rate of the filter material, backwashing parameters and the like is established; the overall operation effect of the filter tank is judged, the health degree of the filter tank is evaluated, the manual inspection intensity is reduced, management personnel are assisted in decision analysis, early warning is facilitated, and the operation efficiency of the filter tank is improved while the water quality safety of effluent of the filter tank is guaranteed. The whole operation is more reasonable and intelligent, water resources are saved, the burden of a water treatment process is reduced, management is carried out in units, monitoring of daily operation is met, the opportunity of supplementing or updating of the filter material is guided through evaluation of the health degree of the filter material, and scientific early warning and refined operation and maintenance are met.

A device and system for purifying a fluid is provided. The system includes a tank having an interior space and a media container disposed within the interior space. A valve is provided that cooperates with an element within the interior, the valve being movable between an open and a closed position. The valve being biased to the open position when the element is not positioned within the interior space, wherein the interior space is fluidly coupled to the atmosphere in the open position. The valve further being configured to move to a closed position when the element is positioned within the interior space.

The invention discloses a drilling mud waste liquid innocent treatment device which comprises a plurality of vertical filter pressing bags installed in a mud-water separation box side by side, the upper end and the lower end of each vertical filter pressing bag extend out of the mud-water separation box, and a vertical multi-section type extrusion mechanism is installed in the mud-water separation box. Each vertical filter pressing bag is arranged in a vertical multi-section type extrusion mechanism, the vertical multi-section type extrusion mechanism is in transmission connection with a driving mechanism mounted outside the mud-water separation box, and a vertical driving part is mounted at the upper end of the vertical multi-section type extrusion mechanism. The device can effectively shorten the flow of solid phase and liquid phase separation in slurry, does not need to perform step-by-step separation according to the particle size of impurities, improves the purification efficiency, reduces the input cost of equipment, improves the portability, and is beneficial to subsequent operations such as transfer, transportation, disassembly, assembly and maintenance. The method is suitable for the technical field of drilling mud waste liquid treatment.

A mesh filter for a fuel system of a vehicle may include: a frame for maintaining a shape thereof; a mesh member coupled to the frame so as to remove foreign substances contained in fuel, where the mesh member includes a first mesh member and a second mesh member; and an opening unit for opening and closing a fuel path in the first mesh member. In particular, the second mesh member has a mesh size smaller than a mesh size of the first mesh member such that the mesh filter inhibits clogging of the mesh filter with paraffin wax.

The utility model belongs to the technical field of chemical engineering, and particularly discloses a low-energy-consumption hydrochloric acid recovery device which comprises a filtering cavity, a heating cavity and a collecting cavity which are sequentially arranged, an input pipe is arranged at the upper end of the filtering cavity, filtering filler is filled in the filtering cavity, and a connecting guide pipe is arranged between the filtering cavity and the heating cavity for communication. One end of a connecting guide pipe is installed at the lower end of the filtering cavity, the other end of the connecting guide pipe is fixed to the top end of the heating cavity, a rotating rod is arranged in the center of the interior of the heating cavity, a plurality of stirring blades are evenly arranged on the periphery of the rotating rod, and the top end of the rotating rod penetrates and extends out of the upper wall of the heating cavity; a heating cavity is formed in the base and connected with the output end of the driving motor, a heating pipe is spirally arranged outside the heating cavity in a surrounding mode, a first output pipe is installed at the top end of the heating cavity, the other end of the first output pipe communicates with the interior of the collecting cavity, a second output pipe is arranged at the bottom end of the heating cavity, and the second output pipe communicates with the interior of the adsorption cavity.

The utility model discloses a dust fall spraying device for building engineering construction, which belongs to the technical field of building construction auxiliary facilities and comprises a frame, a support plate is arranged at the upper end of the frame, a water tank is arranged at the upper end of the support plate, a water inlet filter component is arranged in the water tank, and an adjusting device is arranged on one side of the water tank. An angle adjusting assembly is arranged at the upper end of the adjusting device, a mounting plate is arranged at the upper end of the angle adjusting assembly, an atomizing nozzle is arranged at the upper end of the mounting plate, and a positioning mounting assembly corresponding to the adjusting device is arranged in the supporting plate; by arranging the angle adjusting assembly, the horizontal angle of the atomizing nozzle can be adjusted, the dust falling and spraying effect is guaranteed, the use quality of equipment is improved, the working environment quality is guaranteed, the adjusting device can be conveniently disassembled, assembled and replaced by arranging the positioning installation assembly, the use convenience of the equipment is improved, and manpower resources are saved.

The invention relates to the technical field of preparation and purification of phenolic resin, and discloses a phenolic resin impurity separation device for production, which comprises a filter chamber, an inner cylinder is fixedly mounted in the filter chamber, a steam clamping cavity is arranged between the inner wall of the filter chamber and the outer wall of the inner cylinder, and a mixing chamber is fixedly mounted on the upper side in the inner cylinder. A centrifugal cylinder is movably installed on the lower side of the interior of the inner cylinder, a filter screen is fixedly installed at the bottom end of the mixing chamber, a three-phase asynchronous motor is fixedly installed in the middle of the top end of the filter chamber, and the driving end of the three-phase asynchronous motor extends into the filter chamber and is fixedly provided with a movable shaft; and a spiral paddle is fixedly mounted on the outer diameter section, positioned in the mixing chamber, of the movable shaft. According to the invention, the period is shortened through temperature control, energy conservation and enhanced mixing, the purity is improved through multi-stage separation, the labor is reduced through automatic operation, the structure is exquisite, the adaptability is wide, and the phenolic resin impurity separation efficiency and quality are comprehensively improved.

A filtering apparatus is configured to receive pressurized fluid from a pump. The filtering apparatus has a main inlet, a main outlet, and a filtering branch comprising a first filter. An agitator of a tank from which the pump draws is configured to receive fluid flow from the filtering branch via a proportional valve and an inlet connection. A method of operating a filtering system includes influencing fluid flow from a tank to one or more nozzles via a filtering apparatus; and diverting a portion of the fluid flow through plural filters of a different mesh size back to an agitating mechanism through a lower portion of the tank.

The utility model relates to the technical field of liquid chromatographs, in particular to a liquid chromatogram mobile phase containing device which comprises a base, a storage tank is fixedly mounted in the middle of the base, a filter assembly is movably mounted in the storage tank, and a lifting mechanism is fixedly mounted in the middle of the back of the base. A mobile phase enters the storage tank through the feeding hopper and is filtered through a large-area mesh enclosure formed by combining the conical first mesh enclosure and the cylindrical second mesh enclosure, the filtering efficiency is remarkably improved, in the filtering process, the second motor is started to drive the first auger and the second auger to rotate, the first auger and the second auger are tightly attached to the mesh enclosures, impurities are pushed to the bottom, and the filtering efficiency is improved. The upper end of the mesh enclosure is prevented from being blocked, and the device is always in an efficient filtering state, so that not only is the filtering efficiency of a mobile phase improved, but also the stability of the device in the filtering process is enhanced, the overall use reliability is ensured, and the device is more reliable in liquid chromatogram analysis due to the design.

The production device comprises a base, a reaction barrel is fixedly arranged on the base, a mounting frame is fixedly arranged on the outer side of the reaction barrel, a motor is fixedly connected to the top end of the mounting frame, and a stirring device for stirring basic zirconium sulfate and tartaric acid is arranged in the reaction barrel. The feeding parts are sequentially added into the reaction barrel, and a discharging part for discharging reacted liquid is arranged in the reaction barrel; through the staggered and periodic coincidence design of discharging grooves of the inner barrel and the outer barrel in the feeding part, the rotating rod is matched to drive the outer barrel to spirally move downwards, accurate and quantitative adding of the basic zirconium sulfate solution is achieved, meanwhile, the adding time and flow of the tartaric acid solution are automatically controlled through magnetic ring adsorption of the upper barrel and the outer barrel and stored energy release of the first spring, and the feeding efficiency is improved. Manual intervention is reduced, efficiency loss caused by step-by-step feeding is avoided, and the preparation efficiency of the water repellent agent is remarkably improved.