70 results about "Storage tank" patented technology

A cooling system is in thermal contact with a magnet and provides cooling thereto. A storage tank is fluidly connected to the cooling system to store gas released by the cooling system. The stored gas may then be released back into the cooling system when needed.

The invention relates to a cotton blowing mechanism and a cotton picker consisting of the same. The cotton blowing mechanism comprises a shell, a cotton inlet, a cotton outlet, a thorn roller and an impurity discharge port; the lower part of the thorn roller is provided with an impurity removing screen; the cross section of a reinforced rib forming the impurity removing screen is a polygon; the cotton picker consisting of the cotton blowing mechanism comprises a cotton picking head, power, a transmission mechanism, a walking mechanism, a cotton storage tank and a manipulation mechanism; and the upper part of the cotton picker is provided with the cotton blowing mechanism. Compared with the prior art, the cotton blowing mechanism has a simple structure, does not substantially add the complexity of the mechanism and the destroying degree on cotton fibre and greatly improves the impurity removing effect when applied to the cotton picker in particular, can remove most of the cotton leaves, cotton hulls and other impurities in the process of completing cotton picking so that the impurity content of the picked cotton is greatly reduced and mechanical cotton picking can be suitable for the prior cotton processing equipment in Chinese cotton regions currently and reduces cost for cotton production.

The invention discloses a seaborne cylindrical floating body recycling device, relating to the technical field of ocean and shipbuilding. The seaborne cylindrical floating body recycling device comprises a ship crane, wherein a lifting winch and a high-pressure gas storage tank are arranged on a lifting arm of the ship crane; a hose is arranged at a gas outlet of the high-pressure gas storage tank; the lifting winch is connected with a floating body recycling cover through a steel wire rope; one end of the hose is connected to the floating body recycling cover. Compared with the prior art, the seaborne cylindrical floating body recycling device has the advantages that the structural design is reasonable, the operation is easy, and cylindrical floating bodies vertically floating in the sea can be safely and efficiently recycled and cannot be damaged, so that the recycling rate is high.

An Anode Rod Depletion Indicator for use with a sacrificial anode in a fluid storage tank. A core wire, which is arranged within the anode, has a series of hollow or fluted passageways. When the anode depletion causes a predetermined amount of the core wire to be exposed, fluid contained in the storage tank flows in the hollows or flutes of the core wire. The fluid pressurizes and activates a pressure gauge or switch, or pushes a piston up to a location, which is visible to the owner. In an embodiment, a visible indicator such as “Good” is visible on a pressure gauge until the fluid pressure indicates “Replace” on the pressure gauge or until the piston pushes up a “Replace” indicator to the need to replace anode rod, to prevent corrosion and failure of the tank, while the anode is still providing corrosion protection of the tank. An electrical switch may cut off supply fluid, fuel supply, and/or activate an alarm.

A urea solution apparatus for a vehicle may include a urea solution storage tank installed in a side of a lower part in a rear part of a car body, and a urea solution pipe configured to inject a urea solution into the urea solution storage tank, wherein the urea solution pipe is connected to the urea solution storage tank in such a way that a urea solution injection nozzle of the urea solution pipe is located in a space in which a fuel inlet hole is provided.

The invention relates to the technical field of concrete mixer transportation tank trucks, particularly an automatic addition proportioner in a concrete mixer transportation tank truck transportation process, which comprises an electric cabinet fixed on a tank truck chassis, a tank storage box, a weightometer, a transportation proportioner, a transportation pipe, a detection sensor and a jet pipe capable of extending to the inside of the mixer tank body, wherein the bottom of the tank storage box is provided with the weightometer. The proportioner is reasonable and compact in structure and convenient to use; the detection sensor detects parameters of concrete in the mixer tank body and transmits the parameters to the electric cabinet, and the electric cabinet automatically controls the transportation and proportioning so as to transport the material in the storage tank in the tank storage box into the mixer tank body through the transportation pipe and jet pipe, thereby regulating and improving the concrete quality control indexes in the mixer tank body, and solving the problem of hidden quality danger in construction engineering due to high tendency to size distribution deterioration of concrete and reduced quality control indexes under extreme temperature conditions.

The invention discloses a dedusting apparatus. The apparatus comprises a dust hood, a filter tank, a water storage box and an induced draught fan, and the dust hood is connected with the filter tank; the induced draught fan is used for generating a negative pressure at the air outlet of the filter tank; a first filter chamber, a second filter chamber, a third filter chamber, a fourth filter chamber and a fifth filter chamber which are mutually connected are arranged in the filter tank; a plurality of spaced screen layers are arranged in the first filter chamber; the top in the second filter chamber is provided with a water distribution tube connected with the water storage tank, the water distribution tube is provided with at least one row of nozzles, the bottom in the second filter chamber is provided with a water collection groove, and the water collection groove is connected with the water storage groove through a circulating pipeline and a water pump; an active carbon particle filling layer is arranged in the third filtering chamber; a first active carbon brick is arranged in the fourth filter chamber; and a second active carbon brick is arranged in the fifth filter chamber. The dedusting apparatus is used for dust and smoke smell removal and purification of production workshops, and has the advantages of high dedusting efficiency and good purifying effect.

The invention relates to a double-component epoxy zinc-enriched primer and the making method thereof, used in anticorrosive engineering of steel constructions, such as pipelines, shop equipment, ships, bridges and storage tanks, comprising: adding mixed solvent of dimethylbenzene and normal butanol in epoxy resin, then adding in surface active modified polyurethane, gamma-glycidol trimethoxy silane, silicon oil and zinc powder, and mixing uniformly, grinding and then adding in polyurethane wax and blending uniformly into solution A; composing solution B by polyurethane and dimethylbenzene; and it is mixed of solutions A and B as used, where the content of zinc powder in the coating is above 80%, and it has excellent anticorrosive performance, convenient to construct.

The invention relates to the technical field of drinking water purification, in particular to a multi-purpose purifying water filter applicable to military use, family use, and use for individual, unit and field. The water filter comprises a primary purifying water filtration device (A), a special purifying water filtration device (B), an advanced purifying water filtration device (C), a three-way valve (D), a manual or electric pneumatic storage tank water supply device (E), a municipal pipeline water supply device (F) and a manual or electric water pump water supply device (G). The water filter has the advantages that the multi-purpose purifying water filter with excellent effect of purification and filtration and convenience for use of military, family, unit, individual and field is provided. The multi-purpose purifying water filter has simple structural design of products, is convenient and practical and is low in cost, and can achieve the aims of outputting sanitary clean water and kitchen water, directly drinking water on the same purifying water filter respectively, and back flushing a filter element.

The invention discloses a water tightness test device and belongs to the field of test devices. The water tightness test device comprises a watertight storage tank housing, a loading oil cylinder used for providing a loading force, a pulley, a mounting seat used for mounting a tested winch and the loading oil cylinder, and a closed connecting rope, wherein one end of the closed connecting rope is sleeved with the pulley; the pulley is mounted at the telescopic end of the loading oil cylinder; the loading oil cylinder is mounted on the mounting seat; the mounting seat is arranged on the bottom surface in the watertight storage tank housing; a water source inlet is formed in the watertight storage tank housing; the watertight storage tank housing comprises an upper half watertight storage tank and a lower half watertight storage tank which are hermetically connected; a connector flange is arranged at the bottom of the lower half watertight storage tank; a hydraulic pipeline of a hydraulic pump station penetrates through the connector flange to be connected with the loading oil cylinder. According to the test device, a pressure is provided by the loading oil cylinder and transmitted to a winding barrel through the pulley and the closed connecting rope so as to test the water tightness of the tested winch in positive and negative directions and at different rotating speeds.

The invention discloses a high-temperature gas-liquid dyeing machine, comprising a cylinder block, a main pump and a heat exchanger. Fabric in the cylinder block is cycled through a combination nozzle, a lift roller, an air nozzle, a fabric arrangement mechanism and a fabric storage tank; the combination nozzle includes a water nozzle and an atomizing nozzle; the water nozzle and the atomizing nozzle are communicated in a fabric moving direction; the main pump is communicated with the heat exchanger through a cylinder bottom main pipe; the heat exchanger is communicated with the water nozzle and the atomizing nozzle through a cylinder top main pipe. The high-temperature gas-liquid dyeing machine is suitable for crease and tension sensitive fabrics and provides good expansion for fabrics; flocs are rarely left in the machine herein and are easier to clean; a pump front automatic hair remover helps decrease manual operation; the requirement on dyeing process is low; water, gas and electricity are saved; dyeing quality and dyeing efficiency are high; the manufacture process is simple, and the cost is low.

The invention provides an electron-grade hydrochloric acid production method. The electron-grade hydrochloric acid production method sequentially comprises the following steps that 1, synthesized hydrogen chloride gas enters an adsorption tower so as to remove free chlorine; 2, a reagent-grade hydrochloric acid solvent is adopted to enter a washing tower from the inlet in the upper part of the washing tower to wash the adsorbed hydrogen chloride gas so that soluble impurities can be removed; 3, the washed hydrogen chloride gas passes through first condensation and secondary condensation and enters a demister so as to remove mist, so that high-purity hydrogen chloride gas is obtained; 4, high-purity hydrogen chloride is absorbed by a first and a secondary falling film absorber and a tail gas absorbing tower, and then passes through a hyrochloric acid cooler, so that a finished product is obtained; 5, absorbant water adopts hyperpure water; and 6, the finished product obtained in the step 4 enters a finished product storage tank, and is ultrafiltered to remove particulate impurities, so that electronic hydrochloric acid is obtained. The electronic hydrochloric acid production methodhas the characteristics of simple technology, continuous production, good stability,simple equipment, and the like.

The invention discloses a device for quickly drilling in frozen earth and a construction method of the device. The device and the method aim to increase drilling speed. The device for quickly drilling in the frozen earth comprises a drill pipe and a drill bit. A through nitrogen conveying hole is formed in the drill pipe and the drill bit, the drill bit is provided with a liquid nitrogen outlet, the rear end of the drill pipe is connected with a liquid supply pipe, and the liquid supply pipe is connected with a liquid nitrogen storage tank. The invention further discloses the construction method for quick drilling in the frozen earth. The method includes the following steps that the drill pipe extends into a drilled hole frozen in advance; liquid nitrogen in the liquid nitrogen storage tank is input into the drill bit fixed at the bottom of the drill pipe through the liquid supply pipe, and the drill bit is precooled; after precooling, a drilling machine is started, the drilling machine drives the drill pipe to rotate and impact, and the drill pipe drives the drill bit fixed at the bottom of the drill pipe to rotate to drill; in the drilling process, the liquid nitrogen in the liquid nitrogen storage tank flows out from the liquid nitrogen outlet of the drill bit after passing the liquid supply pipe, the nitrogen conveying hole in the drill pipe and an internal channel of the drill bit. The device and the method are suitable for drilling through the drill bit in frozen holes.

The invention discloses an organic waste gas purifying system and method for preventing the surface of an absorbing material from condensing and caking. The organic waste gas purifying system comprises an absorption tower, a desorption tower, a conveying device and an absorbing material preheating device, wherein the bottom of the absorption tower is provided with an organic waste gas inlet, the top of the absorption tower is provided with a purifying gas outlet, the inside of the absorption tower is separated into a plurality of layers by using a porous plate; an absorbing material falling from the top end of the desorption tower falls to a desorption heating part through an overflowing part, a desorption gas is introduced from the bottom of the desorption tower to be in contact with the absorbing material so as to desorb an organic gas absorbed in the absorbing material; the conveying device is used for conveying the absorbing material in a desorption tower storage tank to the top end of the desorption tower; and the absorbing material preheating device is arranged at the upstream of the desorption heating part. The organic waste gas purifying method comprises the steps of: additionally providing a preheating procedure before the desorption procedure is carried out; and preheating the absorbing material or/and preheating the organic waste gas in the preheating procedure. The system and method provided by the invention have the effect of preventing the surface of the absorbing material from condensing and caking, and can be used for preventing from incomplete desorption, air tower and blockage of related parts.

The invention provides a cyclone furnace denitration system and method. The cyclone furnace denitration system comprises a cyclone cylinder combustor and a reducing agent storage tank which are connected with the cyclone furnace; an SNCR first nozzle is arranged at the upper part of a hearth of the cyclone furnace, and an SNCR second nozzle is arranged in the top of a hearth flue; the axial direction of the cyclone cylinder combustor is vertically mounted on the outer side wall of the lower part of the hearth of the cyclone furnace, the side wall of the cyclone cylinder combustor is provided with an amino reducing agent first nozzle, and an amino reducing agent second nozzle is arranged on the side wall of the hearth above the cyclone cylinder combustor; a primary air inlet is formed in the axial direction of the cyclone cylinder combustor, and a secondary air inlet is oppositely arranged in the tangential direction of the side wall; the reducing agent storage tank is correspondingly connected with the SNCR first nozzle, the SNCR second nozzle, the amino reducing agent first nozzle and the amino reducing agent second nozzle through a reducing agent conveying pipe. The cyclone furnace denitration system and method has the advantages that the process flow is simple, the storage and conveying equipment of the SNCR denitration reducing agent is fully utilized, a new reducing agentstorage and conveying device does not need to be added, so that a new combined denitration system is formed, and the low emission of NOx of the cyclone furnace is realized.

The invention discloses a recovery method of an alkyl-halide fire extinguishing agent in a fire extinguishing bottle for aviation, which belongs to the technical range of recovery of fire extinguishing agents. The recovery method comprises the following steps of: firstly, establishing a fire extinguishing agent recovery system which enables a fire extinguishing agent to be liquefied by reducing the temperature and increasing the pressure simultaneously; setting the temperature of a refrigeration house to be -40 DEG C and the volume of a pressure storage tank to be 35L according to practical needs; placing the pressure storage tank in the small refrigeration house or refrigerator, placing the fire extinguishing bottle outside the small refrigeration house or refrigerator; connecting the pressure storage tank to the fire extinguishing bottle and the fire extinguishing agent storage tank respectively; opening an inlet shutoff valve to release the fire extinguishing agent in the fire extinguishing bottle to the pressure storage tank, wherein the pressure storage tank is higher than the fire extinguishing agent storage tank, and the liquid fire extinguishing agent in the pressure storage tank flows towards the fire extinguishing agent storage tank under the action of gravity; and automatically recovering according to specific pressure. The recovery method diclosed by the invention has the advantages that the fire extinguishing agent discharged into the atmosphere is obviously reduced, so that the environment is protected, and the purposes of reducing the waste of the fire extinguishing agent and improving the recovery efficiency of the fire extinguishing agent are fulfilled.

The invention relates to an efficient and energy-saving BOG (boil-off gas) recycling device which comprises a nitrogen gas storage tank, a first control valve, a nitrogen gas compressor, a nitrogen gas water cooler, a water tank, a pump, a second control valve, an expander, a third control valve, a heat exchanger I, a fourth control valve, a fifth control valve, a sixth control valve, a heat exchanger II, a seventh control valve, an eighth control valve, an LNG (liquefied natural gas) storage bottle, a weigher and a ninth control valve. According to the efficient and energy-saving BOG recycling device, a common oil-free nitrogen gas compressor and a turbo expander are adopted, low-temperature nitrogen is adopted as a heat transfer medium to exchange heat with BOG and liquefy the BOG; and dependence, on an aboard BOG compressor, of a current BOG recycling device is avoided, and therefore, the efficient and energy-saving BOG recycling device has the advantages of being safe, energy-saving, efficient and environmentally-friendly.

The invention provides a mine new energy comprehensive utilization system and a control method thereof. The mine new energy comprehensive utilization system comprises a new energy collection module, aPLC, an energy utilization module and a heat-storage water tank; the new energy collection module is connected with the heat-storage water tank, and the heat-storage water tank is connected with theenergy utilization module; the new energy collection module comprises a groundwater heat collection unit; the groundwater heat collection unit comprises a well water pump, the well water pump is connected with a plate heat exchanger, the plate heat exchanger is connected with a first circulating pump, and the first circulating pump is connected with a first water source heat pump; the heat-storagewater tank is connected with the first water source heat pump; the energy utilization module comprises an air conditioner unit and a heating radiator unit; the heat-storage water tank is connected with an air conditioner circulating pump and a secondary heating unit, the air conditioner circulating pump is connected with the air conditioner unit, the secondary heating unit is connected with the heating radiator unit, and the heating radiator unit is further connected with the heat-storage water tank; and the PLC is connected with the heat-storage water tank, the well water pump, the first circulating pump, the first water source heat pump, the air conditioner circulating pump and the secondary heating unit.

The invention provides a preparation method of a nanofiltration film, belongs to the field of film separation material preparation, and solves the problems that the industrialized continuous preparation of the nanofiltration film with the molecular weight cut-off between 1500 and 20000 Daltons cannot be easily realized in the prior art. The preparation method of the nanofiltration film comprises the following steps: putting polysulfone and dimethylacetamide into a batching kettle, setting the temperature of heat transfer oil at 90-100 DEG C, stirring a casting solution until transparent, and transferring the casting solution to a storage tank; defoaming under vacuum the casting solution, and keeping the temperature of the casting solution constant for later use when the temperature of thecasting solution is reduced to use temperature; coating a non-woven fabric with a 30-50 micron supporting layer by the casting solution by casting and scraping, and curing and rinsing to obtain a supporting bottom film layer; after the supporting bottom film layer enters a water phase solution tank for infiltration and is extruded by an extrusion roller, using a cleaning solution to perform secondary cleaning treatment on the film surface of the supporting bottom film layer, and removing the residual water phase solution by a secondary extrusion roller; coating the film surface containing a water phase monomer with solvent oil containing organic monomers, and drying to obtain the nanofiltration dry film. The molecular weight cut-off of the nanofiltration film prepared by the method is between 1500 and 20000 Daltons.

The invention relates to an engine power system, and aims to provide a pneumatic and internal combustion hybrid system based on multi-stage utilization of afterheat of cooled water. According to the system, an air inlet pressure stabilization box of a pneumatic engine is connected with an air storage tank through a high pressure air pipeline; an air cylinder body and an air cylinder cover of a water-cooled internal combustion engine, a water pump and a pipeline form loop circulation; a circulation loop of the cooling water in the water-cooled internal combustion engine is divided into three stages; the first stage of the circulation loop is small circulation of the internal combustion engine body; the second stage of the circulation loop and the third stage of the circulation loop are respectively added into a pneumatic engine air cylinder and a water and air heat exchanger; and the stages of circulation loops are switched by turning on and turning off an electronic thermostat. The system makes full use of the afterheat of the cooling water in the internal combustion engine, so that the working environment of the pneumatic engine is improved, the circulation output power of the pneumatic engine is improved effectively, and the air consumption rate of the pneumatic engine is reduced finally; furthermore, the energy consumption of the internal combustion engine is reduced; and the dynamic property and the economy of the power system are improved.

A domestic multifunctional automatic milk tea machine device comprises an outer shell, and a dosing and feeding system, a control system, a material storage system, a temperature adjusting device, a stirrer, a water temperature adjusting system, a tea water separation treatment device, a total stirring device and a waste water cylinder which are arranged in the outer shell, the material storage system comprises a first conical storage tank body, a second conical storage tank body, a third conical storage tank body, a fourth conical storage tank body and a fifth conical storage tank body whichare sequentially arranged at intervals. The device has complete functions, can process milk tea with different tastes, and can also be used for processing tea drinks with different tastes.

The invention provides an automatic working robot welding device. The device comprises a base, a material placing table is arranged on the base, a material fixing clip is arranged on the material placing table, a robot welding arm is arranged on the base, a welding gun is arranged on the robot welding arm, and the base is provided with a welding gas storage tank. The welding gun and the welding gas storage tank are connected through a gas pipe, a welding wire placing box is arranged on the robot welding arm, a welding wire conveying pipe is arranged between the welding wire placing box and thewelding gun, and a welding wire conveying cylinder is arranged on the welding wire conveying pipe. The robot welding arm drives the welding gun to automatically weld a product on the material placingtable, and the welding wire conveying pipe conveys welding wire stored in the welding wire placing box to the welding gun, so that the welding wire replenishing work is automatically completed, and the working efficiency is improved. In addition, a material rotating tray is arranged to drive materials to rotate, so that the welding range is increased, and the welding precision is improved. A material transport trolley is used for automatic loading and unloading, so that the processing time is shortened, and the production cost is reduced.

The invention discloses an invisible humidifier of a floor heating system, and belongs to the technical field of humidifiers. The technical problem to be solved is to provide the invisible humidifier of the floor heating system, which utilizes the floor-heating temperature, does not waste power, does not occupy space, and is very good in effect. According to the technical scheme adopted by the invention, the invisible humidifier of the floor heating system comprises a water inlet, a cold water storage tank, an S-shaped heating tube, a warm water storage tank and a water absorption evaporation module, wherein the cold water storage tank and the warm water storage tank are separately arranged at the two sides of the S-shaped heating tube, and communicate with the S-shaped heating tube; the cold water storage tank communicates with the water inlet through a pipeline; the side surface of the warm water storage tank communicates with the bottom of the water absorption evaporation module; and the water inlet is close to the water absorption evaporation module. The invisible humidifier of the floor heating system is suitable for a house with a floor heating system, and has the advantages of being environmentally-friendly, energy-saving, free of space occupation, and good in humidifying effect.

The invention discloses a roof rainwater recycling device. According to the technical scheme, the roof rainwater recycling device comprises a rainwater discarding chamber and a rainwater filter chamber, wherein a rainwater collecting funnel is arranged at the top of the rainwater discarding chamber while a sewage discharge hole is formed in the bottom, a group of fixed pulley is arranged in the rainwater discarding chamber, one arm of the fixed pulley vertically pulls a water storage tank, the other arm vertically pulls a heavy object, the weight of the heavy object is slightly less than the weight of the water storage tank full of water, a rotational baffle plate is arranged at the bottom of the water storage tank, and a gutter is vertically arranged at the end of the baffle plate near a clapboard; a first clapboard with a first through hole is arranged between the rainwater filter chamber and rainwater discharging chamber, the height of the first through hole is consistent with the height of the water in the gutter, the first through hole is firmly connected with a first water diversion pipe connected with the bottom of the rainwater filter chamber, the rainwater filter chamber is divided into a rough filtration section, a fine filtering section and a sterilizing section in sequence, and a water outlet is formed in the top of the sterilizing section. The roof rainwater recycling device is reasonable in design, low in processing and manufacturing cost, long in service life and easy to maintain in the later period, and electricity is not needed.

The invention provides a mobile energy station. The mobile energy station comprises an LNG gasifier, a power generator and a gasifier heating liquid-bath box, wherein the LNG gasifier is connected with the power generator through a gas exhaust pipe; the LNG gasifier is at least partially immersed in the gasifier heating liquid-bath box in which a cooling liquid is accommodated. The mobile energy station further comprises an LNG storage tank connected with the LNG gasifier, wherein a liquid nitrogen storage tank used for exchanging heat with LNG stored in the LNG storage tank to cool the LNG is arranged in the LNG storage tank; and the liquid nitrogen storage tank is provided with a nitrogen charging pipe. The invention further provides an energy utilization method for the mobile energy station. According to the invention, methane emission can be at least replaced with liquid nitrogen emission so that the safety and environmental protection property are enhanced.

The invention provides a treatment system of smoke organic waste gas produced in circuit board disassembly. The treatment system of the smoke organic waste gas produced in the circuit board disassembly comprises a lime storage tank, a dry method lime spray tower, a pulsed bag-type dust remover, an activated carbon adsorption tower, a first fan and a second fan, wherein pulsed control ash removal equipment is installed on the upper portion of the pulsed bag-type dust remover; multiple nozzles communicated with an inner cavity of the dry method lime spray tower are arranged in the middle of an enclosure bulkhead of the dry method lime spray tower, the nozzles are connected with an exhaust opening of the first fan through pipelines, a discharge opening in the bottom of the lime storage tank is connected to the pipeline between the nozzles and the exhaust opening of the first fan through a gate valve and a pipeline, a waste gas inlet is formed in the lower portion of the enclosure bulkhead of the dry method lime spray tower, the bottom of the dry method lime spray tower is provided with an ash hopper for collecting waste materials, and the top of the dry method lime spray tower is provided with a spray tower gas outlet. By means of the treatment system of the smoke organic waste gas produced in the circuit board disassembly, the treatment efficiency of the smoke dust treatment system is effectively improved, and the treatment cost is reduced. Meanwhile, by means of the adsorption of activated carbon on volatile organic matter and off-flavors, the total purification efficiency of the organic waste gas treatment system is improved.

The invention discloses a chip removal filter device for graphite production, which comprises an annular water pipe and a graphite production and processing box. A sedimentation box is arranged under the graphite production and processing box, and a collection box is arranged on one side of the sedimentation box. A water storage tank is provided on the other side of the tank, and a stainless steel sludge pump is provided between the collection tank and the sedimentation tank. The head realizes the full coverage of the spray water in the graphite production and processing box, and effectively collects the dust and chips generated during graphite processing. The box is connected with the water delivery pipe at the outlet of the spray water lifting pump through the recoil pipe and the tee pipe, and the stainless steel filter screen inside the filter box is cleaned by the backflow water to ensure the filtration efficiency of the stainless steel filter screen.