73results about How to "Good washing effect" patented technology

This invention relates to a production unit for washing nitrobenzene, including a separator for nitration mix liquid, a separator for washing waste water, it is characterized by setting a washer between the separator for nitration mix liquid and the separator for washing waste water for washing crude nitrobenzene, the washer for washing crude nitrobenzene is pipe washer. The main operation parameters for the production process are: flow rate is less than or equal to 1.5m/s, the reaction temperature controlled 20-100 DEG C, the operation pressure is less than or equal to system resistance formed from material flow +0.1Mpa, the retention time in the pipe washer for nitrobenzene is less than or equal to 60min. the main advantages of the invention are: less investment for equipment, good washing effect and saving base, water and electric.

The invention discloses a fulling machine and a control method thereof. The fulling machine comprises a box. One side of the box is provided with an in-and-out door, and the other side of the box is provided with a medicine liquid pipe and a steam inlet pipe. The box is internally provided with a drum unit. One side of the drum unit is provided with a steam nozzle which is connected with the steam inlet pipe. A partition is arranged upon the drum unit and provided with a heater. One end of the medicine liquid pipe is connected with a medicine liquid box, and the other end of the medicine liquid pipe penetrates the box to be connected with a medicine liquid nozzle. The medicine liquid nozzle is arranged upon the drum unit. A stainless steel mesh-type drum is arranged in the drum unit. An inlet of the stainless steel mesh-type drum is communicated with the in-and-out door. The stainless steel mesh-type drum is connected with a drive mechanism through a rotating shaft. A medicine liquid inlet groove is formed in the circumferential surface of the drum. The fulling machine integrates washing, dewatering and drying functions and is environmental friendly and easy to operate, so that washing and drying efficiency is greatly improved, and labor cost is saved.

A washing process for the coarse iso-octyl nitrate includes such steps as adding ammonia water to coarse iso-octyl nitrate, heating to 58-60 deg.C, stirring while reaction for 2 hr, cooling to 20 deg.C, laying aside, and water washing until it becomes neutral. It can prevent the increasing of acid ester in finished product.

A wool fabric detergent is prepared from, by weight, 9-16 parts of linear alkyl benzene sulfonic acid, 2-7 parts of triethanolamine, 4-11 parts of sulfonated peregal, 6-10 parts of amphoteric imidazoline, 7-11 parts of ethylene diamine tetraacetic acid, 4-9 parts of hydroxymethyl cellulose, 3-8 parts of stearyldiethanolamine, 4-8 parts of sodium alkyl benzene sulfonate, 5-9 parts of a protease and lipase mixture, 6-9 parts of methylchloroisothiazolinone, 3-5 parts of glycerin, 5-11 parts of sodium polyacrylate and 45 parts of water. The wool fabric detergent has the advantages of very good washing effect, no influences on the nature of wool, and water saving.

The invention provides a dehydration control method of a washing machine. The washing machine comprises a washing drum capable of being used for containing water in the washing process and a water collecting device for collecting water discharged from the washing drum, wherein a collected water level detecting device is arranged in the water collecting device. The control method comprises the following steps: in the dehydration process of the washing machine, if the water level detected by the collected water level detecting device reaches preset safe water level L0, dehydration is slowed downor suspended. According to the dehydration control method of the washing machine, the water level in a water collecting groove is detected by the collected water level detecting device, if the presetwater level is reached, dehydration water outlet speed needs to be reduced, the speed can be reduced to the preset speed by speed reduction, and the preset speed can be certain speed lower than the current speed or the speed is directly reduced to 0. Therefore, water splashing caused by excessive water in the water collecting groove is prevented with the dehydration control method of the washingmachine.

The present invention relates to an aerial-fog air-bubble type dish-washing vegetable-washing machine. It is a kitchen equipment mainly formed from outer box body, washing tank, hot air system, air-jetting tube, water intake system, water discharge system, foam-removing and fog-removing cover, box body top cover, water level sensor and electric control system. Said invented equipment has the several functions of washing dishes, washing fruit and vegetable and drying dishes. Said invention also provide sits working principle and application method.

The invention discloses an anchor chain spray nozzle and relates to the technical field of ship equipment. The anchor chain spray nozzle comprises a housing, and a water inlet pipe communicated with the housing, wherein a spray nozzle is arranged inside the housing, a handle is fixed on the spray nozzle, the handle penetrates through the housing and extends out of the spray nozzle, and the spray nozzle moves under the driving of the handle so as to adjust the water outlet angle of the spray nozzle. According to the anchor chain spray nozzle provided by the invention, the handle is arranged on the spray nozzle, the handle can do back and forth movements in different directions, adjustment to water outlet direction and water outlet angle of the spray nozzle can be achieved, adjustment to the water spraying direction of the spray nozzle is more accurate, the cleaning effect to an anchor chain is good, and the phenomenon of reworking in spray nozzle manufacturing can be avoided.

The invention provides a high-efficiency sterilization microbubble washing machine and belongs to the technical field of washing machines. The washing machine comprises an inner cylinder, an outer cylinder, an electrolytic device and an ultrasonic transducer, the inner cylinder is placed in the outer cylinder, the electrolytic device is arranged at the bottom of the inner cylinder and located between the inner cylinder and the outer cylinder, the ultrasonic transducer is located at the lower portion of the electrolytic device and fixedly installed on the inner wall of the bottom of the outer cylinder, the bottom of the outer cylinder is also provided with a motor used for driving the inner cylinder to rotate, the electrolytic device is used for generating a large quantity of high-efficiency micro nano bubbles, and the ultrasonic transducer is used for increasing the energy of micro nano bubbles. The washing machine generates a large amount of high-efficiency charged microbubble oxygen-rich water, the water constantly collides with and squeezes remaining stains and bacteria on clothing, a large amount of energy is thus released by explosion, and therefore the purpose of efficient sterilization is achieved. The washing machine has the advantages of being efficient, capable of removing bacteria and little in water consumption and washing agent consumption, and at the same time, the washing machine has a good self-cleaning effect.

The invention discloses a makeup remover and a preparation method thereof. The makeup remover comprises the following components in part by weight: 20 to 30 parts of polyoxyethylene sorbitan monolaurate, 20 to 40 parts of sorbitol, 0.5 to 0.8 part of hydroxymethyl cellulose, 10 to 20 parts of dibutyl phthalate, 3 to 6 parts of sodium monofluorophosphate, 3 to 5 parts of magnesium aluminum silicate, 3 to 5 parts of clove oil, 20 to 40 parts of polyvinyl alcohol, 6 to 12 parts of water soluble lanolin, 4 to 8 parts of polyoxyethylene castor seed oil, 2 to 4 parts of para aminobenzoic acid, 0.1 to 0.3 part of lavender essential oil and 200 to 400 parts of water. Compared with the prior art, the makeup remover has the following advantages: (1) the makeup remover can dissolve various makeup oil paints very easily and is obvious in washing effect; (2) the makeup remover has no toxic, harmful and side effects and does not hurt the skin; and (3) the makeup remover can make skin lubricant and sheen and does not have greasy sense.

The invention discloses a plate-type membrane bioreactor which is provided with an aerating apparatus and a membrane plate assembly for purifying water in the membrane bioreactor. The aerating apparatus comprises an aerating tube (2) for washing the membrane plate assembly. An aerating hole (21) washing toward the plate surface of the membrane plate is arranged on the wall of the aerating tube (2). When the aerating apparatus aerates, gas ejected from the aerating hole (21) acts directly on the washing water flow on the plate surface of the membrane plate and the included angle of at least part of the air flow outlet direction and the plate surface of the membrane plate washed is more than 0 degree but less than or equal to 90 degrees. The invention solves the problem that aerating tube of current membrane bioreactor is parallel the plate surface of the membrane plate and aerates upward so that the effect of washing the membrane plate is not good. The bioreactor of the invention is appropriate for occasions of wastewater treatment of various plate-type membrane bioreactors.

The invention discloses a multifunctional mobile garage, which comprises a steel case. A plurality of case sleeves movably connected form the steel case, the lower end of the steel case is movably connected with a sliding rail fixed on the ground, a plurality of round holes are arranged in the steel shell, a sprinkler head is movably arranged on the round hole, the sprinkler head is aligned to the garage, the part, located outside the garage, of the sprinkler head is connected with a water pipe, and the water pipe is connected with a water pump. The structure is reasonable, the cost and the time are saved, the surface of a vehicle can be quickly and efficiently cleaned, and the appearance of the vehicle is bright as new while the vehicle is parked.

The invention discloses a hole dredging device for coal-bed gas well continuous perforation. The hole dredging device comprises a sucker rod, an oil pipe, a casing, a high-pressure water injection pipe, a rubber sheet spacer, a horizontal spray head, threaded joints, a multi-angle spray head, a positioning nut, a plunger, a traveling valve, a pump cylinder, a fixed valve, a well cementation cementlayer, a positioning bolt, a coal reservoir, a perforated hole, a sliding bearing bush, a water storage bin, a rotary propelling spray head, a fastening bolt and a fastening nut; and according to thedevice, the sliding bearing bush and the oil pipe are connected through the positioning bolt, the positioning nut and the rubber sheet spacer, the water storage bin and the sliding bearing bush are connected, the water storage bin is in threaded connection with the horizontal spray head, the multi-angle spray head and the rotary propelling spray head through the threaded joints, the water storagebin is connected through the fastening bolt and the fastening nut, and the high-pressure water injection pipe is connected with the water storage bin. The multi-angle rotary spray head is adopted, the flushing area is large, the high-pressure flushing effect is good, and interchangeability is high.

The invention relates to a washing machine with an adjustable backwater height, which has a simple structure. The height of a backwater cover plate can be adjusted according to the number of clothes to be washed. The washing machine with the adjustable backwater height comprises a tank body and a water accommodating barrel, a washing barrel is arranged in the water accommodating barrel, a water flow channel is arranged in the washing barrel, a backwater cover plate and a slot are arranged in the water flow channel, and the position of the backwater cover plate can be moved vertically through changing the position of the inserted slot. The backwater cover plate is hollow, the bottom of the backwater cover plate is provided with a backwater port, the upper part of the backwater cover plate is provided with a water spraying port, the upper end and the lower end of the backwater cover plate are respectively provided with a bulge, and the height of the backwater cover plate can be adjusted through inserting the bulge parts into different positions of the slot.

The invention relates to a detergent containing Chinese cabbage juice, and aims at providing a pure natural detergent which does not damage a human body. The detergent is characterized by comprising the following steps: taking the Chinese cabbage juice as a main raw material; adding a certain amount of edible salt, edible essence and dietary alkali according to the mass ratio; and adding one or more of apium graveolens, cucumber, water spinach, spinach, shaddock peel, orange peel and fresh tea according to the requirements, so as to prepare the detergent. The detergent containing Chinese cabbage juice disclosed by the invention has the characteristics of being abundant in raw material, low in cost, less in resource waste, simple in preparation method and short in production period.

The invention relates to the technical field of electroplating production lines, in particular to an aluminum alloy floor copper-nickel-chromium electroplating production line and a production processthereof. The aluminum alloy floor copper-nickel-chromium electroplating production line comprises a pretreatment area, and the pretreatment area comprises an ultrasonic degreasing tank, a first cleaning tank, an ash removal tank, a second cleaning tank, a zinc precipitation tank and a third cleaning tank; spraying devices used for cleaning plated parts are arranged between the first cleaning tankand the ash removal tank and between the second cleaning tank and the zinc deposition tank correspondingly, and a spraying device is also arranged on the side, away from the zinc deposition tank, ofthe third cleaning tank; and each spraying device comprises a supporting frame and a spraying mechanism, each spraying mechanism comprises a spraying pipe, a water pump and a clear water tank, and each spraying pipe communicates with the corresponding clear water tank through the corresponding water pump. The production process specifically comprises the following steps of hanging, ultrasonic oilremoval, cleaning, ash removal, zinc precipitation and the like. The spraying devices can spray the plated parts, so that oil stains and impurities attached to the surfaces of the plated parts are fully cleaned, the excellent cleanliness of the surfaces of the plated parts is effectively improved, and the good electroplating quality of the plated parts is guaranteed.

The invention discloses a kit for detecting mycobacterium tuberculosis and mutation of a drug resistant gene thereof. The kit comprises a PCR reaction reagent, a solid phase carrier, a hybridization solution containing alkaline phosphatase labeled streptavidin, and a chromogenic reagent. The kit allows the alkaline phosphatase labeled streptavidin to be directly added to the hybridization solution in order to make nucleic acid hybridization and enzyme-linked immunosorbent assay be carried out in a combination mode, and also allows membrane cleaning and substrate chromogenic process to be carried out in a combination mode, so many washing operating steps and a large amount of a reaction solution are avoided, convenience is brought for operating personnel, a large amount of experiment time and reagents are saved, and the detection flux of target nucleic acid in a sample is greatly improved to make a detection result keep high specificity.

The invention relates to a disinfecting detergent which is prepared from the raw materials of, by weight, 4-10 parts of alkyl glucoside, 5-11 parts of sodium phosphate, 5-10 parts of disodium ethylenediamine tetraacetate, 3-10 parts of protease, 6-10 parts of glycerin, 7-11 parts of polyoxyethylene ether sulfate, 4-9 parts of monoethanolamine, 6-13 parts of octylphenol polyoxyethylene ether, 6-8 parts of linseed oil, 5-11 parts of sucrose oleate, 2-8 parts of banana stalk, 3-9 parts of ethanol, 2-11 parts of oxidase, and 45 parts of water. The disinfecting detergent provided by the invention has good cleaning effect and certain sterilizing effect. The disinfecting detergent can kill most of the pathogens, and is easy to wash.

The invention discloses a marine fish oil bath lotion and a preparation method thereof. The bath lotion provided by the invention takes marine fish oil as the basic component, and the auxiliary materials include strong base, a washing assistant, essential oil, an antiseptic, an antibacterial agent, a skin care agent, essential oil and deionized water etc. Under suitable conditions, marine fish oil and strong base are subjected to saponification reaction according to certain proportion, and an optimized process is employed for preparation to as to form a marine fish oil based bath lotion. The bath lotion provided by the invention has the advantages of strong decontamination ability, no pollution, strong degradation ability and no secondary pollution, has moisturizing effect, and is conducive to environment friendly rapid development. Through component and condition optimization, the bath lotion has the characteristics of excellent washing effect, simple components, health and environmental protection, etc., can relieve skin dryness and tight sense, has nourishing and moistening effects to skin, bactericidal and bacteriostatic efficacy and superstrong decontamination ability, and realizes high value utilization of feed grade fish oil, thus having extensive industrialization prospect and market value.

The invention provides a fixed-point cleaning machine for a fabric. The fixed-point cleaning machine comprises a shell (1), an outer barrel (2), an inner barrel (3) and a fixed-point cleaning device (4), wherein the shell (1) is used for containing the outer barrel (2); the outer barrel (2) is used for containing washing water; the inner barrel (3) is used for containing wash clothing, and the fixed-point cleaning device (4) is used for cleaning the specific parts of the clothing.

The invention discloses an ultrasonic hand washing device which is used in the medical institutions such as the hospital, the clinic and the like. The ultrasonic hand washing device comprises a washing tank. A water collecting tank is arranged above the washing tank; a horn button which can vibrate up and down is arranged on the top of the water collecting tank and is connected with an ultrasonicvibrator through a conical connecting part; one side wall of the water collecting tank is provided with a water inlet; the bottom of the water collecting tank is provided with a hand washing hole; the bottom of the washing tank is provided with a water outlet; the water collecting tank which is connected with the ultrasonic vibrator is arranged above the washing tank; and the ultrasonic vibrator is used for vibrating the washing water in the water collecting tank. The ultrasonic hand washing device can be used for washing the dirt on the fingerprints and the dirt in the pores and the fingernails. The ultrasonic hand washing device has simple structure and good hand washing effect and is highly sanitary and safe.

The invention discloses a grading method of a wetland padding added with a nano-carrier material. A zeolite layer (3), a nanometer modified ceramsite layer (2) and a vermiculite layer (1) are filled hierarchically in sequence from bottom to top; the particle size of the padding becomes smaller in sequence from bottom to top; the filling height ratio of the zeolite layer to the nanometer modified ceramsite layer to the vermiculite layer is 1 to 1 to 1. A delamination sieve is filled with a hierarchical filling material, a zeolite layer filling screen (4) is filled with zeolite of the zeolite layer (3), a nanometer modified ceramsite layer hierarchical filling screen (5) is filled with nanometer modified ceramsite of the nanometer modified ceramsite layer (2), and a vermiculite layer filling screen (6) is filled with vermiculite of the vermiculite layer (1). The artificial wetland padding is filled hierarchically from bottom to top, and the particle size of the padding becomes smaller in sequence from bottom to top, so that the probability of blockage of an upstream vertical flow wetland can be lowered, a substrate can be flushed successfully, and a good flushing effect is achieved in a back-flushing process.

The invention provides a preparation method of wet type low-VOC high-durability sofa furniture polyurethane synthetic leather, which comprises the following steps of coating the surface of a pretreatment cloth substrate with wet type polyurethane slurry, carrying out agglomeration, water scrubbing, pre-drying and drying to obtain wet type bass; performing reverse roll roller coating process on the wet bass by using two-component waterborne polyurethane resin to obtain a high wear-resistant semi-finished product; embossing the high wear-resistant semi-finished product through a roller press to obtain a finished product. The preparation process of the invention is beneficial to the improvement of processing environment and greatly reduces the output of solvents. The VOC content of the finished leather is low and can be controlled to 100ppm or below; durability is realized, and the product can resist hydrolysis for 10 years or more.

The invention relates to the technical field of steel pipe expanding equipment, in particular to an after-washing device of an expanding machine. The after-washing device comprises a box body, a rotating shaft and a sprayer unit which are coaxially arranged. The box body is installed at the end of an after-washing cantilever of the expanding machine. One end of the rotating shaft is inserted in the box body and connected with a driving unit, and the other end of the rotating shaft is connected with the sprayer unit. The rotating shaft can rotate freely in the axial direction of the rotating shaft. The driving unit is used for driving the rotating shaft and the sprayer unit to rotate synchronously. The sprayer unit comprises a fixed piece and a plurality of nozzles which are evenly distributed on the periphery of the fixed piece. Water delivery channels which are communicated with the nozzles are formed in the rotating shaft and the fixed piece. A water injection cavity is formed in the box body, the water injection cavity is communicated with the water delivery channels, and the water injection cavity is communicated with a high-pressure water inlet pipe. By means of the after-washing device of the expanding machine, the problems that by the adoption of a fixed sprayer, residual oil stains exist on the inner wall of a washed steel pipe and the water utilization rate is low in the prior art are solved.

The embodiments of the invention provides a washing machine control method and device, a washing machine and a storage medium. The method comprises the steps of detecting the total weight of clothes and water in a barrel when a cover of the washing machine is opened, and taking the total weight as a first total weight; detecting the total weight of the clothes and the water in the barrel after the cover of the washing machine is closed, and taking the total weight as a second total weight; based on the first total weight and the second total weight, determining a total weight change value of the clothes and the water in the barrel; and under the condition that the total weight change value is smaller than a set weight value, after a preset washing time, if the water level change amount in the barrel is smaller than a set change amount, controlling the washing machine to replenish water into the barrel until the water level before the cover is opened is reached. According to the technical scheme provided by the embodiment of the invention, the water can be reasonably supplemented into the barrel, a better washing effect is achieved, and the universality and the practicability are high.

The invention discloses a textile cloth washing and drying integrated device. The device comprises a washing box and a mounting cover which are fixed to a movable base; a water pump is fixed in the mounting cover; a mounting box and a drying box are fixed to the top of the washing box; a vertical plate is fixed between the drying box and the mounting cover; a plurality of first cloth guide rollersare arranged in the washing box; a plurality of second cloth guide rollers are arranged in the drying box; a cloth extrusion press roller is arranged in a channel where the drying box is communicatedwith the washing box; cloth is conveyed among the drying box, the first cloth guide rollers, the cloth extrusion press roller and the second cloth guide rollers; and a cleaning mechanism is arrangedin the washing box. The whole textile cloth washing and drying integrated device integrates washing and drying of the cloth, so that the processing efficiency is greatly improved, the occupied area ofa production line is reduced, and the space utilization rate can be increased; and washing and drying actions in the whole device are carried out in a linkage mode, so that washing and drying are uniform.

The invention discloses an eccentric laundry ball. The eccentric laundry ball comprises a plurality of semicircular plastic sheets, a rotating shaft and a plastic ball, wherein the plurality of semicircular plastic sheets are rotationally arranged in a sleeving manner on the rotating shaft with the rotating shaft as an axis; the plastic ball is connected to one side of the rotating shaft, a plurality of stainless steel balls are arranged in the plastic ball, the ratio of the radius of the plastic ball to the radius of each stainless steel ball is 4:1, and the ratio of the volume of the plurality of stainless steel balls to the volume of the plastic ball ranges from 0.5 to 0.7; an arc-shaped rubber strip is connected to an arc-shaped side of each plastic sheet, and the surface of the rubber strip is perpendicular to the corresponding plastic sheet; a through hole is formed in each plastic sheet; a plurality of fine rubber strips are connected to the outer side surface of each rubber strip, the length of each fine rubber strip is 3-5 cm, and the diameter of the fine rubber strip is 0.2-0.3 cm. The eccentric laundry ball has good washing effect, and the use amount of washing powder or a laundry detergent is reduced by 4.6%.

The invention relates to a fragrant fabric detergent which is prepared from the following raw materials in parts by weight: 9-15 parts of bis octadecyl dimethyl ammonium chloride, 3-9 parts of Kathon, 5-10 parts of fluorescent whitening agent, 4-9 parts of sodium tripolyphosphate, 5-7 parts of distyryl biphenyl sodium disulfonate, 2-7 parts of citrate, 4-6 parts of corn starch, 1-5 parts of thickener, 2-6 parts of secondary alkyl sodium sulfonate, 3-8 parts of nonylphenol polyethenoxy ether, 2-4 parts of borax, 2-4 parts of stabilizer, 1-3 parts of lemon extract and 50 parts of deionized water. The fragrant fabric detergent has favorable scrubbing effect, can well remove oil stains, has the fragrant odor, and is refreshing.

The invention provides a washing machine control method and a washing machine. The method comprises the steps of: A2, detecting a washing agent; A2, judging whether the washing agent is a preset washing agent; if yes, executing a water-saving washing procedure, and if not, executing a common washing procedure; for the water-saving washing procedure, performing flocculation treatment on clothes washing water after washing and/or rinsing is completed; for the common washing procedure, displaying water in a water holding bucket and guiding in clean water after the washing and/or rinsing is completed. The method can automatically identify whether a washing agent is a preset washing agent and judges whether flocculation treatment should be started according to results, so that the flocculation treatment can be started automatically in a targeted manner and unnecessary flocculating agent delivery is avoided, the washing effect is optimized, users do not need to judge whether a flocculation function needs to be selected by themselves every time, and the washing procedures are automatic and intelligent.

The invention relates to a method for comprehensively utilizing and processing tail gas of sludge phosphorus-prepared sodium hypophosphite, belonging to the technical field of chemical engineering andenvironmental protection. The process flow thereof is as follows: (1) after the phosphine tail gas of the sludge phosphorus-prepared sodium hypophosphite is collected, particle impurities in the tailgas are rinsed and eliminated by phosphoric acid solution under the condition that nitrogen is used as protective carrier gas; (2)the impurified tail gas is eliminated sequentially enters a three-grade absorption device adopting sodium hypochlorite solution as absorption solution so that the product of sodium hypophosphite can be obtained; and (3) the phosphine which still exists in the absorbedtail gas is adsorbed by modified activated carbon, and then is emitted outside after reaching the emission standard. The method of the invention is economical and practical, can recycle and convert the phosphine in the tail gas into the product of sodium hypophosphite with high added value, and greatly reduces environmental pollution caused by the tail gas.

The invention discloses a high-pressure flushing device for an anti-collision wall of an expressway. The two sides of the back of the fixed plate are fixed to the chassis of the front end of the car through a hanging plate, and a grid plate connected and fixed to the lifting frame is reserved at the front center of the fixed plate. An oil cylinder is fixed on the lifting frame, the piston rod on the oil cylinder is fixed to the main frame on the lifting frame through a pin shaft, and a folding frame is connected to the main frame of the lifting frame through a hinge shaft, and a folding rod is connected to the folding frame , the folding rod is connected to the clamp on the splash guard through a connecting piece, the back of the splash guard is fixed with a horizontal flushing nozzle, and the position higher than the splash guard is fixed with a longitudinal flushing nozzle through a bracket. The waist of the vertical plate of the plate body is tightened with a clamp and extended to the two ends of the folded plate. The two ends of the clamp are equipped with limited support wheels through the wheel frame. There is a window above the vertical plate of the splash guard body. The back of the splash guard is provided with a reinforcing plate at the junction of the folding plate and the vertical plate. When the technical proposal washes the anti-collision wall surface, dirty water splashing does not occur, and the washing effect is good, convenient and fast.