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31results about How to "Change the cleaning method" patented technology

Sand removing treatment device of dascillidae based on double action of reciprocating circulation and percussive vibration

ActiveCN108850118AIncrease the speed of sand removalDischarge in timeBivalves processingElectric machineryPulp and paper industry
The invention relates to the technical field of dascillidae treatment, and discloses a sand removing treatment device of dascillidae based on double action of reciprocating circulation and percussivevibration. The device comprises a sand removing cylinder body and a supporting rack body, wherein the top of the sand removing cylinder body is fixedly connected with the supporting rack body, and theleft and right sides of the sand removing cylinder body and the supporting rack body are fixedly connected with symmetrical vertical guide rails; the inner sides of the two vertical guide rails are movably connected with vertical guide blocks, and the top of each of the left and right sides of the supporting rack body is fixedly connected with a fixed pulley; the left and right sides of the supporting rack body are fixedly connected with a pay-off and take-up motor, and the output shafts of the two pay-off and take-up motors are fixedly connected with pay-off and take-up reels; the two pay-off and take-up reels are fixedly connected with pay-off and take-up ropes in a winding way. Through the arrangement and matching of the sand removing cylinder body, the supporting rack body, the vertical guide rails, the pay-off and take-up motors, a guide outer frame, a reciprocating circulation mechanism, a percussive vibration device, an electric lifting rod, a torque connecting transmission mechanism and an operation control panel, the problems of slow sand removing speed and high labor intensity are solved.
Owner:杭州犇柒科技有限公司

Cleaning device for rubber ball for pet dog

The invention relates to the technical field of a pet ball cleaning device, and discloses a cleaning device for a rubber ball for a pet dog. The cleaning device comprises a shell, and a transverse bearing plate is fixedly connected between the inner walls of the left and right sides of the shell. Transverse movable through grooves are separately formed in both sides of the upper surface of the transverse bearing plate, and the inner sides of the two transverse movable through grooves are movably connected with transverse connection movable blocks correspondingly. A transverse circulation driving mechanism is fixedly connected to the intermediate position of the inner side bottom of the shell, and the transverse circulation driving mechanism and the two transverse connection movable blocksare connected. According to the cleaning device for the rubber ball for the pet dog, a traditional way of cleaning a rubber ball body by manual use of a brush by manpower is changed through mutual matching of the shell, the transverse bearing plate, the transverse circulation driving mechanism, positioning movable clamp mechanisms, a pressure adjustment mechanism, a small double-axis motor and vertical guide slide rails, and meanwhile, foreign matter in dog mark grooves of the surface of the rubber ball body is effectively removed.
Owner:天长市富宝橡塑制品有限公司

Cleaning equipment for road piles

The invention relates to the technical field of road equipment maintenance related equipment, and discloses cleaning equipment for road piles. The cleaning equipment comprises a casing, a travelling bearing, an inverted cylinder, a radial adjusting mechanism, a transverse sliding rod, two sliding sleeves, two connecting rods, two arc-shaped piece boards, a hard brush, an outer frame, a driving motor, a transmission mechanism, a water tank, a water guiding pipe, a micro-atomizer, an installation groove, a multi-pass mist spraying pipe, ten spraying heads, a contact chassis, a control panel anda limiting block, the travelling bearing is installed at the top of the inner side of the casing, the inverted cylinder is inserted into the inner side of the travelling bearing in a penetrating mode,the radial adjusting mechanism is installed on the inner side of the inverted cylinder, the transverse sliding rod is transversely installed on the inner side wall of the inverted cylinder, and the two sliding sleeves are both inserted in the transverse sliding rod in a penetrating mode. According to the cleaning equipment for the road piles, the side walls of the road piles are effectively cleaned, meanwhile, the stability of coordination between the mechanisms is ensured, and thus dust and dirt on the surfaces of the side walls of the road piles are effectively treated.
Owner:许毛引

Water body decontamination system and application thereof

The invention relates to a water body decontamination system and an application thereof, wherein the system can improve dirt removing effect, and can meet energy saving, emission reduction and consumption reduction requirements; the system comprises a gas generator arranged in a pond and used for continuously forming gas, and a water lift pipe arranged above the gas generator; the water body decontamination system is applied in pond decontamination. Compared with the prior art, the advantages are that the system can use a sewage pond to settle and recoil solid dirt such as residual feeds and night soils formed in the culture process, or can use a filter net or an air floatation to gather the dirt and discharge same; less dirt-pulling is combined to remove heavy solid objects such as largehard particles and residual feeds, thus realizing excellent decontamination effect, and removing more than 90% of culture night soil; the system uses very limited water consumption and energy consumption in decontamination, thus providing excellent energy saving and emission reduction effects; specially, the surface treatment is done for bottom night soil via the air floatation, thus changing theconventional decontamination modes.
Owner:福建省水产技术推广总站

Full automatic closing type stripping imaging machine

The invention discloses a full automatic closing type stripping imaging machine. An auxiliary machine (1) is arranged on one lateral face of a main machine (2). A core working portion (3) is arranged in the main machine (2), a stripping water inlet pipe (11) of a stripping high pressure pump (4) is connected with a stripping potion tank (17), and a stripping water outlet pipe (9) of the stripping high pressure pump (4) is connected with a sprayer installation plate (23). An imaging water inlet pipe (14) of an imaging high pressure pump (5) is connected with a clean water tank (18), and an imaging water outlet pipe (10) of an imaging high pressure pump (5) is connected with the sprayer installation plate (23), a pressurizing water inlet pipe (13) of a high pressure clean water pump (6) is connected with the clean water tank (18), and a pressurizing water outlet pipe (12) of the high pressure clean water pump (6) is connected with the sprayer installation plate (23). A pressurizing air pipe I (15) and a pressurizing air pipe II (16) of a high pressure fan (7) are respectively connected with two different ports on the sprayer installation plate (23).
Owner:CHANGSHA YUELU DISTRICT ZHENGCHANG MACHINERY EQUIP

Multifunctional movable garbage can

A multifunctional movable garbage can comprises a can body, an axle, wheels and push handles; and the axle is arranged on the lower half part of the can body in a fixedly combining manner. The multifunctional movable garbage can is characterized in that a movable support base is formed by beveling the bottom of the garbage can, one end of the support base is fixed by a hinge, and the other end of the support base is fixed by a plurality of round lock catches; an inverted modeling dustpan serves as a garbage can top cover, and the side surface of the can body is provided with a device with a broom; and the wheels are a pair of solid ladder stand combined wheels and respectively sleeve two ends of the axle. The garbage can integrates a garbage cart, the broom and the dustpan into a whole, is narrow in shape, changes a traditional garbage inlet and outlet manner, and is suitable for operation of multiple cleaning occasions such as slopes, hollowed ground, step ground, parks, stations, high speed train carriages, and the like.
Owner:刘建宽

Oil bucket cleaning device for petroleum refining

The invention discloses an oil bucket cleaning device for petroleum refining. The device structurally comprises a cleaning device body, a fixed transverse plate, a rivet, a curtain falling, a base, ananti-sliding pad, a box door, a lock, a hinge, a fixed frame, a display screen and an operation key; the left end of the fixed transverse plate is welded with the right end of the cleaning device body, the top of the curtain falling is fixedly connected with the interior of the fixed transverse plate through the rivet, the left end of the curtain falling is attached to the right end of the cleaning device body, the left end of the box door is welded with the inner ring of the hinge, the rear end of the lock and the right end inside the box door are connected through a screw, and the rear endof the box door is in clearance fit with the front end of the cleaning device body. the oil bucket cleaning device for petroleum refining is structurally provided with the cleaning device body, the interior and the exterior of the oil bucket can be cleaned, cleaning is more thorough, the cleaning manner of oil bucket stirring can be changed, the damage of the oil bucket and parts in the device canbe reduced, the service life is prolonged, due to use of a bearing positioning rod, the cleaning process is more stable, deviation is not prone to happening, and rod parts are prevented from extruding deforming.
Owner:柯永华

Online automatic cleaning electrostatic dust collector

The invention discloses an online automatic cleaning electrostatic dust collector. The electrostatic dust collector comprises a positive plate (1), a negative plate (2), a middle shaft (3), a bearing seat (4), a shaft coupling (5), a transmission motor (6), a transmission long gear (7), an insulating scraper (8), a bracket (9) and an equidistant pipe (10); the inner edge of the positive plate (1) is fixed on the equidistant pipe (10) through a shaft pin; the inner edge of the negative plate (2) is fixedly connected with the middle shaft (3) through a shaft pin; the two ends of the middle shaft (3) are respectively fixed on the bracket (9) through the bearing seat (4); the transmission long gear (7) is positioned under the middle shaft (3), one end of the transmission long gear is fixed on the bracket (9) through the bearing seat (4), and the other end of the transmission long gear is connected with the shaft coupling (5); and the insulating scraper (8) is fixed on the bracket (9) and is tightly attached to the positive plate (1) and the negative plate (2). Cleaning can be carried out when the electrostatic dust collector equipment works, and the problems of waste of water resources and retreatment of cleaning wastewater are solved.
Owner:唐山海港中融工贸有限公司

A kind of rubber ball cleaning equipment for pet dogs

The invention relates to the technical field of a pet ball cleaning device, and discloses a cleaning device for a rubber ball for a pet dog. The cleaning device comprises a shell, and a transverse bearing plate is fixedly connected between the inner walls of the left and right sides of the shell. Transverse movable through grooves are separately formed in both sides of the upper surface of the transverse bearing plate, and the inner sides of the two transverse movable through grooves are movably connected with transverse connection movable blocks correspondingly. A transverse circulation driving mechanism is fixedly connected to the intermediate position of the inner side bottom of the shell, and the transverse circulation driving mechanism and the two transverse connection movable blocksare connected. According to the cleaning device for the rubber ball for the pet dog, a traditional way of cleaning a rubber ball body by manual use of a brush by manpower is changed through mutual matching of the shell, the transverse bearing plate, the transverse circulation driving mechanism, positioning movable clamp mechanisms, a pressure adjustment mechanism, a small double-axis motor and vertical guide slide rails, and meanwhile, foreign matter in dog mark grooves of the surface of the rubber ball body is effectively removed.
Owner:天长市富宝橡塑制品有限公司

A rake pusher and its pusher device assembly

The invention discloses a pushing and raking device assembly of a pushing and raking machine. The pushing and raking device assembly of the pushing and raking machine comprises a pushing and raking shovel, an H-shaped shovel frame, a lift cylinder used for lifting the H-shaped shovel frame, and an angle adjustment mechanism used for adjusting the angle of the pushing and raking shovel, and further comprises a base installed on a rear axle box of the pushing and raking machine, wherein two hinge joint lugs which upwards extend from the base, and are used for installing the H-shaped shovel frame are arranged on the base, the other end of each of two longitudinal beams of the H-shaped shovel frame is hinged to the corresponding hinge joint lug, the lift cylinder is arranged at the lower end of the H-shaped shovel frame, one end of the lift cylinder is hinged to the middle of the H-shaped shovel frame, and the other end of the lift cylinder is hinged to the base. Due to the fact that the lifting height of the pushing and raking shovel can be effectively increased through the pushing and raking device assembly, the mode that coal piles with the large height or materials with the large height are cleaned in an impact mode at present is changed, damage to parts of the pushing and raking machine is avoided, and the maintenance cost of the pushing and raking machine is reduced. The invention further provides the pushing and raking machine with the pushing and raking device assembly.
Owner:SHANTUI CONSTR MASCH CO LTD

Ball valve for floor cleaning robot

The invention relates to a ball valve, in particular to a ball valve for a floor cleaning robot, and belongs to the field of cleaning equipment. The problem that a negative pressure air control valveused by an existing floor cleaning robot often does not open and close in time is solved. The ball valve for the floor cleaning robot comprises a valve body, a valve core and two drive mechanisms. Theupper surface of the valve body is provided with a first air port, and the lower surface of the valve body is provided with a second air port. A through hole is formed in the valve core and penetrates the valve core. The two driving mechanisms are symmetrically installed on both sides of the valve core.
Owner:朱洪福

Chemical product cleaning device

The invention discloses a chemical product cleaning device, and relates to the technical field of chemical product cleaning. The chemical product cleaning device comprises a top cover; a vertical rod is fixedly connected to the right end of the upper surface of the top cover; a handle is fixedly connected to the upper surface of the vertical rod; a water tank is fixedly connected to the left end of the upper surface of the top cover; first side plates are fixedly connected to the lower surface of the water tank; the circumferential side face of each first side plate penetrates through and is fixedly connected to the left end of the upper surface of the top cover; the first side plates are fixedly connected to the left end and the right end of the lower surface of the top cover; second side plates are fixedly connected to the front end and the rear end of the lower surface of the top cover; supporting plates are fixedly connected to the inner side faces of the second side plates; sliding grooves are formed in the lower ends of the inner side faces of the second side plates; and the left side faces and the right side faces of the second side plates are fixedly connected with the inner side faces of the first side plates. The problems that cleaning is inconvenient and time is wasted due to the fact that cleaning agents are often needed to be sprayed on greasy dirt after the existing carpet is stuck with greasy dirt, then the carpet is repeatedly scrubbed with cleaning cloth and finally can be used after the carpet is dried are solved.
Owner:江西瑞思博新材料有限公司

Fast flushing and quick discharge tank for integrated circulation cooling and cleaning of semiconductor wafers

The invention provides a fast flushing and quick discharge tank for integrated circulation cooling and cleaning of semiconductor wafers, and relates to the technical field of semiconductor wafer cleaning. The quick-flushing and quick-discharging tank used for integrated circulation cooling and cleaning of semiconductor wafers includes a cleaning tank, a cover plate is rotatably connected to the outside of the cleaning tank, sliding frames are fixedly connected to both sides of the inner wall of the cleaning tank, and the two A fixed plate is provided between the sliding frames and is slidably connected with the fixed plate. The fast-flushing and quick-discharging groove used for the integrated circulation cooling and cleaning of the semiconductor wafer, because the first rack is arranged inside the placement groove, the second gear pushes the second gear. One rack, so that the splints fixedly connected at one end of multiple first racks can clamp and fix the wafer, which is beneficial to quickly fix multiple wafers, reduce the contact with the wafer, and avoid the blocking caused by fixing during cleaning, which affects cleaning Efficiency, at the same time, the wafer is fixed to avoid damage to the wafer caused by shaking during cleaning.
Owner:ZHICHENG SEMICON EQUIP TECH (KUNSHAN) CO LTD

Sand removal treatment device for clams and using method

InactiveCN111758767AIncrease the speed of sand removalDischarge in timeBivalves processingElectric machinePulley
The invention relates to the technical field of clam treatment, and discloses a sand removal treatment device for clams and a using method. The sand removal treatment device for the clams comprises asand removal cylinder and a support frame body, wherein the top of the sand removal cylinder is fixedly connected with the support frame body; the left side surface and the right side surface of the sand removal cylinder and the left side surface and the right side surface of the support frame body are fixedly connected with vertical guide rails which are symmetric to each other; the inner side ofeach of the two vertical guide rails is movably connected with a vertical guide block; the top of each of the left side surface and the right side surface of the support frame body is fixedly connected with a fixed pulley; each of the left side surface and the right side surface of the support frame body is fixedly connected with a winding and unwinding motor; the output shaft of each of the twowinding and unwinding motors is fixedly connected with a winding and unwinding wheel; and a winding and unwinding rope is wound and fixedly connected to each of the two winding and unwinding wheels. Through cooperation of the sand removal cylinder, the support frame body, the vertical guide rails, the winding and unwinding motors, a guide outer frame, a reciprocating circulation mechanism, a knocking vibration device, an electric lifting rod, a torque connection transmission mechanism and a control panel, the problems of low speed of sand removal of the clams and high manual work intensity aresolved.
Owner:龙青梅

Method for developing low-temperature PPTC of power battery

PendingCN113548885AUniform nickel platingProtect your healthEngineeringAntimony trioxide
The invention discloses a method for developing the low-temperature PPTC of a power battery. The method comprises the following steps: step 1, preparing materials; step 2, tabletting; step 3, sintering; step 4, performing nickel plating; and step 5, edging. In the step 1, 80 parts by weight of barium carbonate, 100 parts by weight of titanium dioxide, 16 parts by weight of lead oxide, 3 parts by weight of silicon dioxide, 0.065 part by weight of manganous nitrate solution and 0.1 part by weight of antimony trioxide are weighed. The preparation method of the low-temperature PPTC of the power battery is beneficial to the uniformity of a nickel layer in the nickel plating process, so that the yield is improved, the traditional cleaning mode is changed, the danger in the preparation process is reduced, and meanwhile, the protection of the body health of workers is facilitated.
Owner:HUIZHOU JUDING ELECTRONICS CO LTD

Road sweeper

The invention provides a road sweeper. The road sweeper comprises a sweeper body, a side sweeping mechanism, a front end sweeping mechanism and a garbage storage mechanism. The side sweeping mechanism comprises rotary brooms, and the rotary brooms are arranged on the two sides of the front end of the vehicle body. The front end sweeping mechanism comprises a front-end broom, and the front-end broom is located at the front end of the vehicle body. The garbage storage mechanism is provided with a storage opening, and the front end broom corresponds to the storage opening. According to the road sweeper, the sweeping range of small sweeping equipment is enlarged, a traditional single sweeping mode is changed, and the road sweeper is simple in structure, convenient to operate, wide in application range and capable of being applied to sweeping roads, communities, squares and rooms.
Owner:厦门工学院

Fully automatic rice washing machine control method

The invention discloses a full-automatic rich washing machine and a control method, and relates to the technical field of rice noodle production equipment. A rice pump is arranged at the inner side of a rice washing barrel; the rice pump is connected to one end of a rice inlet pipe; the other end of the rice inlet pipe is connected to a rice soaking barrel; the rice soaking barrel is arranged on a stand; a drainage valve is arranged at the lower end of the rice washing barrel; one end of the water inlet pipe is connected to a running water pipe; the other end of the rice inlet pipe is connected to the rice soaking barrel; a water inlet valve and a water flow meter are arranged on the water inlet pipe; a rice soaking barrel cabin door is arranged at the left lower end of the rice soaking barrel; a storage barrel is arranged at the lower end of the rice soaking barrel cabin door; a material outlet is formed in the bottom of the storage barrel; a control mechanism is arranged on the stand; a water circulating valve is arranged on a water outlet pipe at the right lower end of the rice soaking barrel; a strainer is obliquely arranged at the lower end of the interior of the rice soaking barrel; and the strainer is arranged at the upper side of the water circulating valve and is located at the lower side of the rice soaking barrel cabin door. The control method of the full-automatic rich washing machine comprises steps of starting the full-automatic rich washing machine, supplying water, washing rice, soaking the rice and discharging the water. The full-automatic rich washing machine provided by the invention is scientific in design, stable in performance, simple and reasonable, and simple and convenient to operate, and the full-automatic rich washing machine can improve working efficiency and can save time as well as human and material resources.
Owner:NANTONG QINGHE FOOD MACHINERY CO LTD

Plasma handheld device for wound repair and using method of plasma handheld device

The present invention relates to the technical field of wound repair devices and particularly to a plasma handheld device for wound repair and a using method of the plasma handheld device. The plasmahandheld device for wound repair comprises a gun head. Through arrangements of a supporting column, a second spring, a fixing ring, a limiting rod and the like, in actual use, a user can adjust a handle to be perpendicular to a gun base or to be horizontal with the gun base according to needs, wound repair can be conveniently conducted on special parts and the like of patients, operation convenience is improved, and design is user-friendly. Through arrangements of the gun head, a connecting base, limiting blocks, first springs and the like, the gun head and a gun body can be conveniently detached, a cleaning mode of a traditional plasma handheld device is changed, and the plasma handheld device is convenient to clean or maintain. Two rotatable rollers are arranged on the gun head and can slide along the skin, so that a friction force between the gun head and the skin is reduced, smooth sliding is facilitated, and use comfort of the patients is improved.
Owner:苏州国科兴旺医疗设备有限公司

Container wood floor dust removing device

The invention discloses a container wood floor dust removing device. The container wood floor dust removing device comprises motors, a walking trolley, a fan, a dust bucket and a dust collecting pipe.The motors comprise a walking motor and a transverse moving motor, and the walking motor is connected with the walking trolley. The fan, the dust bucket and the dust collecting pipe are arranged on the walking trolley and are connected in sequence. A transverse sliding rail is arranged on one side of the walking trolley, the transverse sliding rail is perpendicular to the walking direction of thewalking trolley, and the dust collecting pipe can be driven by the transverse moving motor to slide back and forth along the transverse sliding rail. Thus, after the container wood floor dust removing device enters a container, the dust collecting pipe can move forwards along with the walking trolley, and meanwhile can do reciprocating motion along with the transverse sliding rail in the transverse direction. Thus, the dust collecting range of the dust collecting pipe can cover the wood floor of the container. According to the container wood floor dust removing device, the cleaning manner ofthe wood floor of the container is changed, original manual disordered cleaning is changed into automatic orderly cleaning, the work environment of a workshop in a box of the container is improved, the labor intensity is reduced, and meanwhile occupational hazards are avoided.
Owner:徐州林域木业有限公司

Quick-flushing and quick-discharging groove for integrated circulating cooling and cleaning of semiconductor wafer

The invention provides a fast-flushing and fast-discharging groove for integrated circulating cooling and cleaning of a semiconductor wafer, and relates to the technical field of semiconductor wafer cleaning. The fast-flushing and fast-discharging tank for integrated circulating cooling and cleaning of the semiconductor wafer comprises a cleaning tank, a cover plate is rotatably connected to the outer side of the cleaning tank, sliding frames are fixedly connected to the two sides of the inner wall of the cleaning tank, a fixing plate is arranged between the two sliding frames, and the two sliding frames are slidably connected with the fixing plate; according to the fast-punching and fast-discharging groove for integrated circulating cooling and cleaning of the semiconductor wafers, first racks are arranged in the containing groove, so that second gears push the first racks, clamping plates fixedly connected with one ends of the multiple first racks are used for clamping and fixing the wafers, the multiple wafers can be rapidly fixed, contact with the wafers is reduced, and the wafer cleaning efficiency is improved. And the influence on the cleaning efficiency due to shielding caused by fixation during cleaning is avoided, and meanwhile, the wafer is fixed, so that the wafer is prevented from being damaged due to shaking during cleaning.
Owner:ZHICHENG SEMICON EQUIP TECH (KUNSHAN) CO LTD

An ultrasonic physical aeration cleaning system

The invention relates to an ultrasonic physical aeration washing system. A prewash device and an ultrasonic physical aeration washing device are mounted on a shell, an overturn rotation device is arranged in the middle of each of the prewash device and the ultrasonic physical aeration washing device, a control box connected with the ultrasonic physical aeration washing device and the overturn rotation device is mounted on the outer side of the shell, the prewash device comprises a prewash pool mounted in the shell, a prewash tap is mounted at the top of the prewash pool, a filter screen is arranged at the bottom of the prewash pool, a water collection bin is arranged in the bottom of the filter screen, a prewash water outlet pipe provided with a valve is mounted at the bottom of the water collection bin, the prewash pool is mounted in the inner side of one end of the shell, and the overturn rotation device is mounted in the position of the middle of the shell and on one side of the prewash pool. The ultrasonic physical aeration washing system is complete and convenient in washing, efficient partition treatment is achieved, waste is recycled conveniently, overall stability is high, easiness in washing and treating is achieved, multiple shortcomings in the prior art are overcome and made up, and good social and economic benefits are achieved.
Owner:李晓波

A container wooden floor dust removal equipment

ActiveCN104799764BMeet the needs of comprehensive dust removalChange the cleaning methodSuction cleanersReciprocating motionWorking environment
The invention discloses a dust removing device for a wood floor of a container. The device comprises a motor, a travelling trolley, an air blower, a dust bucket and a dust collecting tube, wherein the motor comprises a travelling motor and a transverse moving motor; the travelling motor is connected with the travelling trolley; the air blower, the dust bucket and the dust collecting tube are arranged on the travelling trolley and sequentially connected; a transverse slide rail is arranged at one side of the travelling trolley and is in the direction vertical to the travelling direction of the travelling trolley; the dust collecting tube can be driven by the transverse moving motor to slide along the transverse slide rail by reciprocating. When the device enters the container, the dust collecting tube can move forwards along with the travelling trolley and can also transversely move along with the transverse slide rail by reciprocating; therefore, the dust collecting range of the dust collecting range can cover the wood floor of the container. According to the device, the wood flour removing mode of the wood floor of the container is changed; the original manual irregular removal is replaced by automatic regular removal, so that the working environment of a workshop in the container can be improved, the labor intensity can be reduced, and meanwhile, occupational hazard can be avoided.
Owner:CIMC CONTAINERS HLDG +2

A method and system for cleaning and filtering lye nanofiltration membrane

The invention relates to a method and system for cleaning and filtering alkali liquid nanofiltration membranes. The cleaning method comprises the following steps: using soft water to circulate and rinse the nanofiltration membranes until the pH value of the primary flushing liquid at the outlet of the nanofiltration membranes is neutral, draining Empty the first flushing liquid; rinse the nanofiltration membrane with acid solution for the second cycle until the pH value of the secondary flushing liquid is stable at 1-1.5, and then drain the secondary flushing liquid after 30 minutes of recirculation flushing; use soft water for three cycles Rinse the nanofiltration membrane until the pH value of the three rinses at the outlet of the nanofiltration membrane is greater than 6, and empty the rinses three times; wash the nanofiltration membrane with lye four times, and after 15 minutes of circular washing, drain the rinses four times, Cleaning is over. The present invention uses soft water, a certain concentration of acidic solution and a certain concentration of alkaline solution to clean the filter lye nanofiltration membrane in stages, remove the impurities trapped in the flow channel and pores of the nanofiltration membrane, change the cleaning method of the nanofiltration membrane, and recover The filtration capacity of nanofiltration membrane prolongs the service life of nanofiltration membrane and reduces operating costs.
Owner:唐山三友集团兴达化纤有限公司
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