58results about How to "Improve cleaning ability" patented technology

The invention discloses natural handmade soap containing camellia seeds and a preparation method of the soap. Camellia seed meal which is residues left after pressing of camellia seeds is taken as a raw material and compounded with fatty acid, oil, alkalis and a gemini surfactant, meanwhile, plant essential oil is added, and then the soap is prepared. The camellia seed residues are effectively utilized, rich tea saponin and camellia oil which are contained in the camellia seed meal are fully utilized, and the soap has functions of removing stains, performing sterilization, diminishing inflammations and relieving itching. The gemini surfactant is added, the saponification capacity and the washing capacity of the soap can be further improved, the gemini surfactant and the tea saponin after saponification can have a synergistic effect, and the deep cleaning capacity of the handmade soap can be improved. Besides, the handmade soap has antioxidant, whitening, moisturizing, nourishing and antibacterial effects as well as other healthcare effects by the aid of the added plant essential oil.

The invention discloses a convenient and practical copper strip washing device which comprises a washing device body. The outer side of the washing device body is provided with an outer shell. The top of the washing device body is fixedly connected with a water tank. The left side of the washing device body is provided with first rotary rollers, and the right side of the washing device is provided with second rotary rollers. A copper strip is movably connected between the first rotary rollers as well as between the second rotary rollers. The washing device body is internally provided with a washing chamber. By adoption of the convenient and practical copper strip washing device, stains on the surface of the copper strip can be more effectively removed, the washing efficiency of the stains on the surface of the copper strip is improved, the surface of the copper strip is scraped, brushed and washed, the washing capacity of the stains on the surface of the copper strip is improved, and therefore the advantage of good copper strip washing capacity is achieved, the washed copper strip is dried to remove water stains on the surface of the copper strip, and accordingly the problem that existing copper strips are not washed out, and consequentially the quality of the copper strips in the copper strip production process is affected is effectively solved.

The invention discloses a high-salinity composition having functions of resisting dentine hypersensitivity and whitening. The composition comprises the following components in parts by weight: 4-8 parts of potassium nitrate, 0.1-5 parts of pyrophosphate and 3-5 parts of auxiliary sensitivity resisting ingredient; the invention further discloses application of the high-salinity composition in a toothpaste, a tooth powder, a tooth gel, a tooth paste or a cream preparation; the invention further discloses a toothpaste comprising the high-salinity composition, and the weight percentage of the high-salinity composition in the whole toothpaste is 7-18%; the invention further discloses a preparation method of the toothpaste: a humectant is added in a container, then a thickener is added to stir evenly, a sweetening agent, a preservative and a surfactant are added to be stirred evenly, the high-salinity composition is added and stirred evenly, an abrasive and water are added, a fragrance modifier is added after stirring evenly, and the mixture is fully stirred and degassed in vacuum to complete the preparation of the toothpaste. The high-salinity composition and the toothpaste have excellent double effects of whitening and resisting hypersensitivity, the components work synergistically, and the effect is more remarkable.

The invention belongs to the chemical cleaning field and in particular relates to a colorless and transparent anticorrosion oil cleaning agent high in deoiling effect for use in the civil aviation aircraft maintenance process. Based on the total quantity of the cleaning agent product, the cleaning agent comprises the following components by weight: 40-50% of major solvent, 30-40% of isoparaffin solvent oil, 10-25% of dearomatization solvent oil, 1-5% of cosolvent and 0-2% of penetrant. The cleaning agent product produced according to such a formulation is capable of thoroughly removing the anticorrosion oil, oil contamination, dust and the like on the surface of the body and the structural members of an aircraft without damaging the aircraft materials, and has no residue after cleaning and no harm on the human body.

The invention discloses a sub-chamber back blowing bag type dust collector with a reciprocating movement back blowing air port, and relates to a bag type dust collector. The bag type dust collector can solve the problems that a deashing mechanism of the conventional bag type dust collector cannot realize port-to-port deashing chamber by chamber, the deashing effect is poor, the structure is complex, faults are easy to occur and the like. The bag type dust collector is technically characterized in that: a sub-chamber back blowing deashing device is arranged in a gas purifying chamber, one end of a telescopic back blowing gas pipe is connected with a deashing gas source for introducing back blowing deashing gas flow, and the other end of the telescopic back blowing gas pipe is connected with the movable back blowing air port; and a transmission mechanism draws the movable back blowing air port and the telescopic back blowing air pipe to reciprocate and move to the outlet of the small gas purifying chamber sequentially for performing port-to-port positioning back blowing deashing chamber by chamber. The sub-chamber back blowing bag type dust collector is mainly applied in dedusting treatment before smoke gas in power stations, metallurgy, chemical industry, mining, cement, grain processing and other industries is discharged.

The invention provides a micro-emulsion cleaning agent for welding jigs. The micro-emulsion cleaning agent comprises the following components in percent by weight: 2-5 percent of polymer stabilizer, 1-8 percent of 2-ethyl hexanol polyoxyethylene polyoxypropylene ether, 0.5-5 percent of terpene, 5-12 percent of propylene glycol ether solvent, 1-5 percent of saponifier and 75-86 percent of water. The micro-emulsion cleaning agent provided by the invention has a good cleaning effect, low toxicity and less influence on environments, and is safe.

The invention discloses a biological complex enzyme tableware detergent and a preparation method thereof, and belongs to the field of a new generation of clean type environment-friendly and petroleum chemical pollution-free products prepared by matching fruit type yeast (enzyme) and a plant surfactant. The preparation method of the biological complex enzyme tableware detergent has the advantage that a cleaning function of decomposing macromolecules (grease, pesticide and dirt) by fruit-fermented edible biological complex enzyme is matched with the quick dirt removal ability of the natural animal and plant type surfactant, so as to prepare the multifunctional environment-protection household detergent.

The invention relates to camera equipment, in particular to a remote control system for spraying, dissolving and cleaning of a camera shield. The outer shield of a traditional camera has no automaticcleaning function. According to the remote control system for spraying, dissolving and cleaning of the camera shield, a movable cleaning brush is additionally mounted outside the shield, the cleaningbrush is attached to the shield after erecting, and a rotating disk is driven by a servo motor to rotate the shield so as to achieve the purpose of brushing the shield. The remote control system for spraying, dissolving and cleaning of the camera shield further provides a mobile terminal, and control software is mounted in the mobile terminal so as to facilitate the remote control of personnel. The remote control system for spraying, dissolving and cleaning of the camera shield further designs a set of rainwater and statistical spray device, and the liquid is sprayed to the shield through theback of the cleaning brush to achieve the purpose of cleaning. The remote control system for spraying, dissolving and cleaning of the camera shield can realize the automatic cleaning function of the shield, manpower is greatly saved and difficulty of cleaning construction is reduced and the using process is convenient by using the mobile terminal for operation.

The invention discloses a photoresist detergent composition, which comprises quaternary ammonium hydroxides, water, alkyl diol ether, dimethyl sulfoxide, a corrosion inhibitor and surfactants. The photoresist detergent composition can remove the photoresist (particuarly thick film negative photoresist) with a thickness of over 20 micrometers on the metals, metal alloys or dielectric medium substrates, and other etching residues, and meanwhile, the composition has low causticity to the metals such as aluminum, copper and the like and the nonmetallic materials such as silicon dioxide and the like, thus, the composition has good application prospect in the micro-electronics fields such as semiconductor chip cleaning, and the like.

The present invention provides a washing machine which is provided with a steam injection device. In the rotation period of a drum with the accommodated washing object (object), the steam injection device injects steam from an opening of the drum to a central part. The injected steam can effectively heat the object in the washing process for performing a cleaning capacity improving function. Furthermore the injected steam can be uniformly blown to the object in the drying process for effectively removing the wrinkles so the washing with excellent finishing state can be performed. When the steam is injected in the drying process, the rotation speed of the drum is changed according to the weight of the object preferably, so the object closely clings on the inner surface of the drum.

The invention discloses a Chinese medicine pelleting machine. The machine comprises a casing with a mounting hole in an outer wall on one side, an inner wall on one side of the mounting hole is fixedto a filter net by a bolt, an inner wall of one side of the casing is fixed to a stirring box by a bolt, fixing holes are formed in the top outer walls of the stirring box and the casing, the top outer wall of the casing is fixed to a first motor by a bolt, one end of an output shaft of the first motor is welded to a first transmission rod, the first transmission rod is inserted into the fixing holes, and the inner walls of both sides of the first transmission rod are fixed to stirring blades equidistantly distributed by bolts. The machine can effectively clean the inside of the stirring box and a first conduit, so that the interior of the stirring box is more clean, provide convenience for a user to prepare pills of different compositions in the next time, improve the cleaning ability ofa machine, effectively dry the prepared pills to make the structure of the formed pills more stable, and improve the drying ability of the machine.

The invention discloses a refurbishing device for a small electric appliance shell. The refurbishing device for the small electric appliance shell comprises a device body. A working cavity is formed in the device body. Lifting grooves are correspondingly formed in the left wall and the right wall of the working cavity, and first sliding grooves are correspondingly formed in front and back walls ofthe lifting grooves corresponding to each other in the left-right direction. According to the refurbishing device for the small electric appliance shell, the small electrical appliance shell is clamped and fixed through a clamping device, and then paint and dirt in concave-convex parts of the small electrical appliance shell are effectively removed through a paint removal brush which can elastically stretch and retreat; meanwhile, the paint removal brush can be driven by a driving device to rotate upwards and downwards to clean the small electric appliance shell, and the cleaning capacity isimproved; and then, the small electric appliance shell is painted through a painting gun head, so that the old small electric appliance shell is refurbished.

The invention provides a detergent and a preparation method thereof. The detergent is prepared through the following raw materials in parts by weight: 2-10 parts of a cactus extract, 10-30 parts of coconut oil monoethanolamide, 20-40 parts of gleditsioside, 5-18 parts of decyl polyglucoside propylene glycol, 1-5 parts of a soapberry extract, 6-18 parts of a citrus extract, 2-6 parts of a scallop powder, 8-17 parts of oleuropein, 10-17 parts of a lemon enzyme extract, and 20-100 parts of water. Compared with the prior art, the method has the advantages that the cactus extract, the coconut oil monoethanolamide, the gleditsioside, the decyl polyglucoside propylene glycol, the soapberry extract, the citrus extract, the scallop powder, the oleuropein and the lemon enzyme extract are used as theraw materials and mutually act and interplay, therefore, the deterging capacity of the prepared detergent is improved, and oil stains in a kitchen can be removed.

A hard surface liquid cleaner composition containing (a) a polyalkylene glycol monoalkyl ether in the amount of 1-15 mass%, (b) amine oxide, (c) at least one type of surfactant selected from a group consisting of an ampholytic surfactant and an anionic surfactant excluding soaps and present in the amount of 0.01-15 mass%, and water. The mass ratio of (c)/((b)+(c)) is 0.01/1-1/1. 60-100 mass% of the (a) component is a dipropylene glycol (C4-8 alkyl group) monoalkyl ether. The pH at 25 DEG C is 6-14. This hard surface liquid cleaner composition not only exhibits strong cleaning power against cooking oil buildup, but also has the effect of remaining in a uniform liquid state with no turbidity or separation, and having excellent storage stability at high or low temperatures.

The invention relates to the technical field of industrial cleaner, improves the prior art, and particularly relates to nano-modification inflaming retarding machine-cleaning water, which comprises the following compositions by weight percent: 0.3-1.1% of surfactant, 0.05-1.5% of corrosion inhibitor, 0.3-2.1% of flame retardant, 0.2-1.1% of nanometer aluminium oxide, and organic solvent in balancing amount, wherein the total weight of all the compositions is 100%. The nano-modification inflaming retarding machine-cleaning water has the characteristics as follows: 1, remarkable improvement on cleaning capability; 2, low possibility of flaming, convenience for storage and transportation, and improvement on use safety. Therefore, the nano-modification inflaming retarding machine-cleaning water is practical, and has huge market potential.

The invention provides a corrugated vibrating screen which comprises a screen frame, a corrugated plate for material layering, an upper woven screen for separating seeds and sundries in materials, a tail screen and a lower screen. The corrugated plate, upper woven screen and the tail screen are sequentially arranged in the screen frame from front to back, the upper woven screen and the lower screen are vertically and sequentially arranged in the screen frame, and the upper woven screen is a corrugated upper woven screen. The problem that the vibrating screen cannot well adapt to sorting of different varieties of crops is solved by adopting the corrugated upper woven screen, accordingly the cleanness of wheat harvested by a wheat and rice dual-purpose harvester is ensured whether the wheat or the rice is harvested or not, meanwhile screen-surface material accumulation caused by high backward motion is avoided during rice harvesting, a part of non-separated materials is extruded, accordingly seed loss is effectively reduced, and production is facilitated.

A vehicle wash system includes a vehicle treatment area and an overhead frame portion supporting a pair of side brushes. The side brushes are configured to treat the lateral sides of the vehicle and may also treat the front and back of the vehicle. The side brushes are configured to pivot between a vertical position and an outwardly angled position, in which the side brushes are generally aligned with the side glass of the vehicle windows. The side brushes may travel along the side of the vehicle in both the vertical and pivoted orientations. The side brushes may make multiple passes along the side of the vehicle, and the side brushes may change orientation during or between passes to treat different segments of the vehicle. The side brushes may be pivoted at a side mirror location of the vehicle.

The invention discloses a real silk dry cleaning agent. The real silk dry cleaning agent comprises the following components in parts by weight: 70-99 parts of deionized water, 0.1-3 parts of a novel environmentally-friendly dispersant, 0.1-2 parts of a wetting agent, 1-5 parts of a solubilizing agent, 0.05-2 parts of a green chelating agent, 1-5 parts of an auxiliary agent and 0.02-0.5 part of a preservative, wherein, the novel environmentally-friendly dispersant is N-dimethyl enamine. According to the real silk dry cleaning agent disclosed by the invention, the original expensive and complicated cleaning mode is broken through; the simple, rapid and effective removal of local stains is realized; meanwhile, the original quality and appearance of the real silk fabric are protected; and theproduct is green and environmentally-friendly, biodegradable and suitable for civilian use.

The invention belongs to the technical field of a cleaning agent for a circuit board, and particularly relates to a special cleaning agent for a flexible printed circuit board as well as a preparationmethod and an application of the special cleaning agent. The special cleaning agent is prepared from components in percentage by weight as follows: 3%-5% of fatty alcohol polyoxyethylene ether sulfate, 10%-15% of coconut oil fatty diethanol amide, 1%-5% of sodium pyrophosphate, 2%-5% of triethanolamine, 2%-5% of sodium polyacrylate, 10%-20% of alcohol ether solvents, 2%-3% of benzotriazole and the balance of deionized water. The cleaning agent is simple to prepare and low in cost, has efficient cleaning capacity for a soldering flux and dirt of the flexible printed circuit board, and containsno chemical components harmful to the atmospheric environment; meanwhile, soldering points and metallic copper of the circuit board can be effectively protected from being corroded and changing color; the cleaning agent is applicable to cleaning of the printed circuit board, and is particularly applicable to cleaning of the flexible printed circuit board with soldering flux pollutant residues.

The invention relates to a cleaning device for improving silicon wafer surface cleaning capacity and a control method thereof, and belongs to the technical field of silicon wafer cleaning equipment. The cleaning device comprises a cleaning tank, an upper rack is arranged above the cleaning tank, a cleaning assembly is arranged in the cleaning tank, a lifting air cylinder is arranged between the cleaning assembly and the upper rack, and a rotating motor is arranged between the lifting air cylinder and the upper rack; the cleaning assembly comprises a wafer box, a plurality of silicon wafers distributed at equal intervals are arranged in the wafer box, upper baffles integrated with the wafer box are arranged at the two ends of the upper portion of each silicon wafer, and lower baffles integrated with the wafer box are arranged at the two ends of the lower portion of each silicon wafer. The cleaning device has the characteristics of simple structure, good cleaning effect, high operation stability and long service life; the problem that the surfaces of the silicon wafers are mechanically scratched is solved.

The invention discloses a cleaning device for a tea winnowing machine. The cleaning device for the tea winnowing machine comprises a winnowing cylinder body, an air blower, a wind input pipe, a feeding device, a first discharging port, a second discharging port, a third discharging port, a dust discharging pipe, a shock reduction device and a dust collection device. A first mounting plate is fixedly connected to the bottom of the right side of the winnowing cylinder body. The shock reduction device is fixedly connected to the bottom of the right side of the first mounting plate. A first mounting base is arranged at the top of the first mounting plate. The air blower is mounted on the first mounting base. The wind outlet of the air blower is connected with the wind input pipe. The other endof the winnowing cylinder body is in communication with the dust discharging pipe. The bottom end of the dust discharging pipe is fixedly connected with the dust collection device. The feeding deviceis arranged on the portion, close to one end of the air blower, of the winnowing cylinder body. The feeding device comprises a feeding hopper and a tea-loosening mechanism. A second mounting plate isfixedly connected to the upper end of the right side of the winnowing cylinder body. The tea-loosening mechanism comprises a loosening cavity, a driving motor, a stirring shaft, a coupling and stirring blades. A second mounting base is mounted at the top of the second mounting plate. The driving motor is mounted on the second mounting base. The driving motor is connected with the stirring shaft through the coupling.

The invention relates to a hand-held high-pressure cleaner. The hand-held high-pressure cleaner comprises a casing, a battery pack mounting part, and a functional part, wherein the battery pack mounting part is mounted on or integrally formed on the casing; the functional part includes a motor arranged in a main body part and a pump driven by the motor to transport liquid flow outward; the batterypack mounting part includes a first battery pack mounting part and a second battery pack mounting part, the first battery pack mounting part and the second battery pack mounting part are separately arranged on the left and right two sides of the casing, and the maximum distance w2 in the left-right direction between the first battery pack mounting part and the outermost edge of the second batterypack mounting part is not greater than the maximum width w1 of the main body part in the left-right direction. The hand-held high-pressure cleaner has the beneficial effects that the high-pressure cleaner is powered by a dual battery pack, the cleaning ability is improved, and the high-pressure cleaner has a compact arrangement and a small volume.

The invention discloses a solid bottle-washing additive. The solid bottle-washing additive comprises the main components of sodium gluconate, urea, sodium dihydrogen phosphate, sodium triphosphate, Triton DF-16, Surfynol DF-110D, Surfynol DF-220 and white carbon black. The additive finished product is good in color and luster, powder is dry, caking is not likely to occur, and the solid bottle-washing additive has good fluidity and is convenient to use and easy to add. Meanwhile, the bottle-washing additive is free of foams in the whole bottle-washing process and capable of rapidly permeating into adhesive inside bottle marking paper, in this way, the whole marking paper falls off, a washed bottle is bright and transparent without blurring, no adhesive traces are left on the exterior of the bottle, and no residues are left inside the bottle.

The invention discloses a publicity device with a cleaning function for computer research and development. The publicity device comprises a base board, fixing rods are welded to both sides of the topof the base board, a water tank is placed at the top of the base board and located between the two fixing rods, the same publicity board is fixed to the tops of the two fixing rods through bolts, a collecting box with a trapezoid cross section is welded to the top of the publicity board, a cleaning pipe is welded to the bottom outer wall of the collecting box, a second water diversion pipe is welded to the top of the cleaning pipe, and spraying nozzles are welded to the bottom of the cleaning pipe at equal intervals. The publicity device can collect and reutilize rainwater, and thus water resources are saved; water in the collecting box can be used to clean the publicity board, it is avoided that dust accumulation affects the publicity effect, and the cleaning capacity of the device is improved; it can be avoided that debris falls into the collecting device and causes pipeline blockage, and thus the safety of the device is improved.

The invention provides an automatic-spray scrubbing sweeper which comprises a housing designed with a mixing chamber and two feeding chambers in parallel. The bottom of the mixing chamber and the twoparallel feeding chambers are communicated through feed valves; airbags are assembled in the feeding chambers and are communicated with the external through air valves; the two feeding chambers are respectively filled with soda water and acetic acid. A spray block is assembled on the lower portion of the housing, a cavity is designed in the spray block, and is communicated with the lower portion of the mixing chamber through a lower control valve, and the lower portion of the spray block is designed with water outlets in array. Besides, a scrubbing block fixed to the lower portion of the housing is arranged at the back of the spray block, and sponge extending downwards is arranged at the lower side of the scrubbing block. Mixed liquid in the mixing chamber of the sweeper has an effective cleaning function and can flush spots with high pressure, and then the spots can be removed by scrubbing repeatedly.

The invention discloses rapid part cleaning and drying equipment for electromechanical engineering. The rapid part cleaning and drying equipment comprises an operation table; a cleaning box is fixedlyconnected to the middle of the top of the operation table; a driving motor is fixedly connected to the top of the cleaning box, and an output end of the driving motor penetrates through the cleaningbox and is fixedly connected with a hanging frame assembly; an air blower is fixedly connected to the lower end of the right side of the back face of the cleaning box; an air heater is fixedly connected to the top of the air blower; an output end of the air blower is fixedly connected with an input end of the air heater; a drying opening is fixedly connected to the front end of the back face in the cleaning box, and an input end of the drying opening is fixedly connected with an output end of an air heating assembly; and a cleaning liquid tank is fixedly connected to the middle front end of the bottom of the operation table by a fastening bolt, and a liquid outlet box is fixedly connected to the bottom of the cleaning liquid tank. According to the rapid part cleaning and drying equipment for the electromechanical engineering provided by the invention, parts can be rapidly and efficiently cleaned, meanwhile, rapid drying can be conducted, the labor intensity of workers is greatly relieved, practicability is high, and the rapid part cleaning and drying equipment is worthy of wide application and popularization.

The invention relates to cleaning equipment and a control method thereof. The cleaning equipment comprises: a machine body, wherein a water tank is arranged in the machine body; a cleaning mechanism which is connected with the machine body; a water outlet pipeline which comprises a water inlet end and a water outlet end, wherein the water inlet end is communicated with the water tank, and the water outlet end is connected to a cleaning mechanism; and a heating element which provides heat energy for the water outlet pipeline so as to adjust the temperature of water flow flowing to the cleaning mechanism in the water outlet pipeline. By arranging the heating element, heat energy is provided for the water outlet pipeline, and the water temperature of water flowing to the cleaning mechanism in the water outlet pipeline is adjusted, so that a better cleaning effect is achieved. The problem that in the prior art, a scrubber is poor in stubborn stain cleaning capacity can be solved.

The invention provides a portable multi-function micro-water cleaning and inflating device for automobiles, which comprises a streamlined protective shell with a handle; The air pipe, the air pump is connected to the air pipe, and the air pipe and the air suction pipe are arranged in parallel after entering the inside of the protective shell. When the air pipe is close to the external interface, the air pipe is inserted into the air pipe, and the socket is sealed and connected. The air suction pipe and the air pipe jointly extend to the external interface. Form a "double-pipe interlocking" mode; install an ultrasonic nebulizer and a water tank under the exterior of the protective shell, and connect the heating grid at the intersection of the mist discharge pipe and the inflation pipe of the ultrasonic nebulizer; this device also includes a dust collection box and multiple Functional joints, water tank, heating grid, ultrasonic atomizer, LED lighting, inflatable motor and suction motor are electrically connected to the single-chip microcomputer. The beneficial effects of the invention are: the design has the advantages of simple structure, convenient car washing, more diversified functions and water saving.

The invention discloses a ditch sludge disposal device capable of automatically collecting sludge and used for water conservancy project. The ditch sludge disposal device comprises a device main body, a cleaning brush, a suspension filter screen, a connecting column and an impeller; the device main body is internally provided with a small diesel engine, the outer side of the device main body is provided with a crawler belt assembly, and the lower part of the device main body is in bearing connection with side wheels; and the lower end of a threaded rod is in key connection with a transmission gear, a covered groove is formed in the inner side of a sludge suction cover, a limiting block is arranged in the covered groove, a sludge filter screen is arranged on the outer side of the limiting block, and a connecting rod is fixed to the inner side of the sludge suction cover through bolts. The ditch sludge disposal device capable of automatically collecting the sludge and used for the water conservancy project can automatically intercept and collect impurities such as plastic products sucked and floating in a ditch, the sludge disposal capacity of the device is improved, meanwhile, the sludge in a ditch can be automatically and effectively collected, the sludge is automatically sprayed into a farmland, and therefore the soil fertility in the farmland is improved.

The invention relates to a brush head of a dust collector and the dust collector. The brush head of the dust collector comprises a rolling brush cylinder, a driving assembly and a connecting rod, wherein the driving assembly and the rolling brush cylinder are installed on the connecting rod, the driving assembly is movably connected with the rolling brush cylinder, and the driving assembly and the rolling brush cylinder can be in a connected state or a disconnected state. When the driving assembly is connected with the rolling brush cylinder, the driving assembly drives the rolling brush cylinder to rotate, through the design, the cleaning capacity of the brush head of the dust collector can be improved, dirt difficult to clean and dirt located in pits or gaps of the surface to be cleaned can be cleaned, cleaning efficiency of the brush head of the dust collector is improved, and then overall cleaning efficiency of the dust collector is improved.