165results about How to "Clean enough" patented technology

The invention discloses circulating type plastic waste recovery treatment equipment, and belongs to the field of plastic waste recovery. Circulating type plastic waste recovery treatment equipment comprises a base, a main tank is integrally formed at the top of the base, a funnel communicates with the top of the main tank, and a crushing shell communicates with the top of the funnel. By arranging a second motor and a crushing roller, plastic waste is put into the crushing shell, the waste is crushed by the crushing roller, and preliminary crushing treatment is conducted; the size is reduced, and subsequent cleaning treatment steps are facilitated; and the cone valve below the mesh cylinder realizes intermittent descending and ascending resetting in the reciprocating rotation of the rotating rod, so that the opening and closing of the bottom of the mesh cylinder are controlled. By means of the design, the falling number of plastic particles can be accurately controlled, excessive particles are prevented from falling below the main tank to be soaked at a time, and the secondary cleaning effect is ensured; and by intermittently opening and closing the cone valve, each particle can have enough time to be fully cleaned in the soaking process.

The invention is suitable for the field of coal mine filling pipe cleaning, and provides a coal mine filling pipe inner wall cleaning device which comprises a main body and a pipeline arranged in the main body, and further comprises a first annular mounting groove and a second annular mounting groove which are formed in the side wall of the main body. A first mounting ring and a second mounting ring are rotationally connected into the first annular mounting groove and the second annular mounting groove correspondingly. A transmission mechanism is arranged in the main body, spraying assemblies are arranged on the first mounting ring and the second mounting ring, and the spraying assemblies are communicated with the pipeline. When the first mounting ring rotates relative to the main body, the five rotating arc rods sequentially drive the beating counterweight sleeve to impact the inner wall of the coal mine filling pipe, impurities attached to the inner wall of the coal mine filling pipe are crushed, the impact effect is further improved through protrusions on the beating counterweight sleeve, and the inner wall of the coal mine filling pipe is beaten through the beating counterweight sleeve; and through vibration of the coal mine filling pipe, the impurities attached to the inner wall of the coal mine filling pipe can also be vibrated off.

The invention relates to the technical field of food processing, in particular to a self-cleaning conveying device for food processing.The self-cleaning conveying device for food processing comprises a conveying belt body used for conveying food and a supporting mechanism used for supporting the conveying belt body, and a plurality of blocking strips are arranged on the outer surface of the conveying belt body at equal intervals; two wiping plates are arranged at the bottom of the conveying belt body, a plurality of wiping grooves are formed in each wiping plate, a wiping surface is arranged on one side of each wiping plate, and the wiping surfaces between the two wiping plates and the wiping grooves are used for wiping and cleaning the conveying body and the outer sides of the multiple blocking strips; according to the self-cleaning conveying device for food processing, it is guaranteed that the conveying belt body continuously conveys children food, meanwhile, the cleanliness of the conveying belt body is guaranteed, the conveying belt with multiple blocking strips can be fully cleaned without shutdown, and the processing efficiency of the children food is further improved.

The invention discloses a protective film pressing device and a use method thereof, and belongs to the technical field of protective film processing, the protective film pressing device comprises a cabinet placed above the ground, an unwinding roller is rotatably mounted on the upper surface of the left end of the cabinet, and a winding roller is rotatably mounted on the upper surface of the right end of the cabinet; a fixing frame is fixedly installed on the upper surface of the machine cabinet, a movable plate is arranged above the fixing frame, an air conveying assembly is connected between the fixing frame and the movable plate, a rotating frame is elastically and rotationally connected to the lower portion of the movable plate through a torsional spring, and an obliquely-arranged exhaust roller is rotationally connected to the lower end of the rotating frame. And a heat generation assembly for heating air is arranged on the inner side of the exhaust roller. According to the protective film pressing device and the using method thereof, the exhausting and pressing effects on the protective film can be improved through vibration, gas can be automatically conveyed to heat the protective film in the pressing process, and the exhausting and cleaning effects of the protective film are further improved.

The utility model discloses a cable surface cleaning device, and relates to the technical field of cables. The rotating sleeve is rotationally connected into the base; the rotating mechanism is arranged in the base, is connected with the rotating sleeve and is used for controlling the rotation of the rotating sleeve; and the cleaning mechanisms are arranged in the rotating sleeve and used for cleaning the surface of the cable, each cleaning mechanism comprises a position adjusting part, a cleaning brush and cleaning cotton, and the position adjusting parts are arranged on the rotating sleeve. According to the cable surface cleaning device, the rotating sleeve is controlled to rotate through the rotating mechanism, so that the rotating sleeve drives the cleaning mechanism to rotate, the surface of a cable is fully cleaned, the overall cleaning performance in the cable production process is improved, a cleaning brush and cleaning cotton can be combined for use through the cleaning mechanism, and the cleaning efficiency is improved. And the cable cleaning device is matched with the rotating mechanism to rotate, so that the use effect is improved.

The invention discloses an acid-making process using hydrogen sulfide waste gas and waste sulfuric acid, and relates to the technical field of acid-making processes, and the acid-making process specifically comprises the following steps: step 1, high-temperature reaction and gas generation, step 2, gas purification and conversion, a demister and a spraying assembly are used for removing dust, impurities and harmful substances in the gas; and step 3, sulfur trioxide absorption and sulfuric acid preparation. According to the acid-making process using the hydrogen sulfide waste gas and the waste sulfuric acid, the absorption slurry is sprayed out through the nozzle to be in countercurrent contact with the gas mixture, physical absorption and chemical reaction are combined, dust, impurities and other harmful substances in the gas mixture are effectively removed, and the gas purification efficiency is improved; the nozzles at the upper end and the lower end are used for spraying and cleaning the corrugated plate, it is ensured that the corrugated plate is always kept clean, system efficiency reduction caused by blockage or pollution of the corrugated plate is reduced, and the operation efficiency and stability of the whole system are improved.

The invention relates to the technical field of robot control, in particular to a pipeline detecting and cleaning robot and a control system. The method comprises the steps of firstly obtaining a gray image in a pipeline, and performing region division; and the image segmentation technology is utilized to accurately identify dirty areas in each area image, and the standard spraying speed of the cleaning agent is adjusted based on the area and the number of the dirty areas so as to realize accurate matching with the dirty areas. Meanwhile, the dirt degree is quantized by analyzing the gray values of the pixel points in the gray image, and then the unit area retention time of the cleaning robot in each dirt area is determined. And finally, in combination with the spraying speed and the retention time of the cleaning agent, the pipeline detection cleaning robot is used for cleaning the pipeline. According to the method, by precisely adjusting the spraying speed of the cleaning agent and the staying time of the robot, precise dosage control and differentiated cleaning strategies of the cleaning agent are achieved, and the cleaning effect is effectively improved.

The invention relates to the technical field of water quality monitoring equipment, and discloses a self-cleaning water quality environment monitoring device which comprises a detection box, one end of the detection box is connected with a supporting seat, the supporting seat and the detection box are internally communicated with a working groove, and a limiting storage seat is erected on the supporting seat in an up-down penetrating mode; and guide grooves are symmetrically formed in the inner wall of the limiting storage seat, and a linear motion plate is movably arranged in the limiting storage seat. According to the self-cleaning water quality environment monitoring device disclosed by the invention, a second servo motor is started to drive a cam to do circular motion, and a connecting arm is driven to move downwards through a series of transmissions, so that an annular cleaning seat moves downwards outside a detection probe, the detection probe is wiped by utilizing a cleaning sponge while moving, and the cleaning efficiency is improved. And after the protruding part of the cam leaves the contact wheel, the middle table and the guide column return under the action of the reset elastic force of the reset spring, and the detection probe is fully cleaned by utilizing the reciprocating motion of the cleaning sponge.

The utility model discloses a probiotic fermentation device for producing a pig feed additive, which comprises a tank body, a stirring and cleaning device and a cover body, and the stirring and cleaning device comprises a speed reducing motor and a moving device driven by a lead screw of the speed reducing motor; the moving device comprises a first fixing rod, a second fixing rod and a moving rod, wherein the first fixing rod and the second fixing rod are fixed to the two ends of the lead screw, and the moving rod is rotationally connected with the lead screw. According to the probiotic fermentation device for producing the pig feed additive, fermentation liquor can be fully stirred, the interior of the tank body can be fully cleaned, and bacterial colonies are prevented from being accumulated and attached to dead corners.

The invention relates to the technical field of food vending machines, in particular to a food vending machine with a self-cleaning function, which comprises a cabinet, a sliding plate is arranged in the cabinet, a receiving box is fixed in the cabinet, a conveyor is arranged on the receiving box, an intercepting mechanism is fixed on the bottom surface of one end of the sliding plate, and the intercepting mechanism comprises a cross beam. A turn-over mechanism is arranged on the outer side of the middle of the conveying belt. According to the sesame seed cake processing device, the intercepting mechanism is arranged on the bottom face of the sliding plate, a plurality of first connecting rods on the intercepting mechanism can intercept sesame seed cakes on the conveying belt, when the conveying belt passes through the sesame seed cakes, disintegrating slag on the side, making contact with the conveying belt, of the sesame seed cakes can be cleaned into the containing box together with the conveying belt, and meanwhile the turning-over mechanism can turn over the sesame seed cakes on the conveying belt; therefore, food residues on the top surface and the bottom surface of the sesame seed cake are fully cleaned, automatic cleaning from the source of the food residues is facilitated, and the cleaning efficiency of the sesame seed cake vending machine is improved.

The utility model relates to the technical field of photovoltaic panels, and provides an angle-adjustable photovoltaic support which comprises an angle-adjustable frame, a mounting plate is fixedly connected to the angle-adjustable frame, guide assemblies are fixedly connected to the two sides of the upper surface of the mounting plate respectively, a mounting frame is arranged between the two guide assemblies, and a rotating roller is rotatably connected to the lower end of the mounting frame. Transmission pieces used for driving the rotating roller to rotate are arranged at the two ends of the rotating roller correspondingly, and a soft cleaning brush is fixedly connected to the outer side wall of the rotating roller. According to the photovoltaic support with the adjustable angle, in the process that an operator pushes and pulls a rotating roller and a cleaning soft brush through a mounting frame to enable the rotating roller and the cleaning soft brush to do linear motion along a photovoltaic panel, under the action of a transmission part, the rotating roller can be driven to rotate at the same time, and therefore the cleaning soft brush is driven to conduct rotary sweeping on the surface of the photovoltaic panel; and therefore, the cleaning effect on the photovoltaic panel can be improved, the cleaning process is more sufficient, and the problem that in the prior art, the effect is poor due to the fact that a sliding type cleaning mode is adopted is solved.

The invention relates to the technical field of heat exchange equipment, and discloses an assembled detachable plate heat exchanger which comprises a mounting bottom plate, a moving plate is fixedly connected to one side of the top end of the mounting bottom plate, a driving screw is movably connected to the inner side of the moving plate through a bearing, and a fixed plate is in threaded connection with the outer portion of the driving screw. A plurality of heat exchange plates are mounted between the movable plate and the fixed plate, a plurality of mounting plates are fixedly connected to the outer side of the movable plate, the mounting plates are fixedly connected in sequence, a movable plate is slidably connected to the interior of each mounting plate, and a pressing rod is fixedly connected to one side of each movable plate. According to the heat exchanger, the heat exchange plates in the heat exchanger can be replaced according to needs, the whole heat exchanger does not need to be completely disassembled, therefore, disassembly of the whole heat exchanger is avoided, the downtime is shortened, in addition, unnecessary disassembly work is reduced, equipment loss caused by frequent disassembly is avoided, and the service life of the heat exchanger is prolonged.

The invention discloses a vertical machining center provided with a chip cleaning mechanism, and relates to the technical field of vertical machining centers, the vertical machining center comprises a shell, a vertical machine tool is fixedly connected in the shell, a metal machining table is horizontally and slidably connected to the vertical machine tool, and a rail chip removing mechanism is arranged between the metal machining table and the vertical machine tool; in the process of controlling the metal machining table to horizontally move out a machined metal workpiece, the portal frame can be synchronously driven to drive the air injection box and the spray head to move reversely, cuttings and cutting fluid remaining on the surface of the vertical machine tool are blown away in time, contact between a guide rail on the surface of the vertical machine tool and the cuttings can be effectively reduced, and the service life of the vertical machine tool is prolonged. Therefore, the abrasion degree of the guide rail is reduced, the original precision of the guide rail is kept, the service life of the guide rail is prolonged, the surface of the vertical machine tool can be kept clean, cuttings are prevented from being accumulated on the guide rail, the positioning precision and repeated positioning precision of the vertical machine tool are improved, and the size precision and shape precision of metal machining workpieces are ensured.

The utility model discloses a heat exchanger with heat recovery, which relates to the technical field of heat exchangers and comprises a heat recovery heat exchanger body, a fixing frame is arranged at the front end of the heat recovery heat exchanger body, a sliding groove is arranged at the upper end of the front side of the fixing frame, and a reciprocating screw rod is arranged on the inner side of the sliding groove. And a driving motor is arranged on the right side of the fixed frame. According to the heat exchanger with the heat recycling function, a dust collection pipe is in butt joint with a connector, a driving motor is started to drive a reciprocating lead screw to rotate, a sliding block slides left and right along a sliding groove to drive a movable base to move left and right on the front side of the heat recycling heat exchanger body, and airflow drives dust and impurities to enter an air bin from a cleaning groove and be concentrated into a dust collector through the dust collection pipe; and the movable seat drives the gear to roll on the surface of the rack, so that the rotating shaft drives the brush roller to rotate, the surface of the heat recovery heat exchanger body is cleaned, and sufficient cleaning of the heat recovery heat exchanger body is achieved.

The utility model discloses an environmental protection engineering filter pressing device which comprises a support, the outer end of the support is connected with a filter pressing assembly, the upper end of the support is connected with a cleaning assembly, and the technical scheme is characterized in that the cleaning assembly and a first hydraulic cylinder are arranged to drive a first output rod, a lifting frame, a cleaning brush and a spray head to move up and down; after a filter cake is discharged, a liquid inlet hose is communicated with a water pump, water flow is pumped into a spray head to be sprayed out, the filter screens are washed, and meanwhile, a cleaning brush moves up and down and can fully brush the filter screens at the left end and the right end of a filter plate, so that the filter screens can be automatically cleaned and prevented from being blocked; in the prior art, certain residues of a solid-liquid mixture can be attached to a filter plate and a filter screen, and compared with a filter press in the prior art, the residues attached to the filter plate and the filter screen are difficult to fully and timely clean, so that the filter screen is possibly blocked, and the subsequent use is influenced.

This utility model relates to the field of cell disruption and filtration technology, and more particularly to a self-cleaning, anti-clogging cell disruption and filtration device. The technical solution is as follows: A self-cleaning, anti-clogging cell disruption and filtration device includes a shell, a collection frame, a fixed ring plate, a connecting shaft, and a fixed shell; the collection frame is slidably placed at the lower part of the shell, the fixed ring plate is fixedly connected inside the shell, the connecting shaft is rotatably connected to the upper part of the fixed ring plate, and the fixed shell is fixedly connected to the left side of the shell. This utility model performs preliminary filtration through a filter membrane, trapping larger fragments, while small particles and liquid permeate through the filter membrane into the collection frame. A motor drives the connecting shaft to rotate, causing the filter membrane to rotate slowly, evenly distributing cell fragments and avoiding localized accumulation. When the ultrasonic generator is activated, the high-frequency electrical signal is converted into mechanical vibration, and the resulting "cavitation effect" not only effectively breaks down the cell membrane but also releases the cell contents.

The invention relates to the technical field of carpet cleaning equipment, in particular to a hotel carpet sweeper which comprises an installation shell. The supporting direction control unit is arranged on the outer side of the mounting shell in a surrounding manner; the washing, wiping and drying integrated unit is arranged between the mounting shell and the carpet and is connected with the mounting shell; wherein the washing, scrubbing and drying integrated unit comprises a retractable washing and scrubbing assembly, an energy conveying and heat supplying assembly and an arc-shaped dirt collecting assembly, by arranging the washing, scrubbing and drying integrated unit, washing, scrubbing and drying can be completed at a time in the carpet cleaning process, the carpet can be fully cleaned, before drying, the scrubbed carpet can be extruded, and the carpet can be cleaned more thoroughly. According to the carpet cleaning device, sewage is squeezed out, automatic absorption of the squeezed sewage is completed, the drying effect is greatly improved, the cleaned carpet is kept dry, the airing time of the cleaned carpet is saved, cleaning is more efficient, and the situation that water stains are left on the carpet, and consequently bacterium breeding is caused can be avoided.

The utility model discloses a raw material grinding device for producing and preparing primer, which comprises a base and a grinding tank, a moving part is arranged on the grinding tank, and a cleaning part is arranged between the base and the grinding tank. The moving part comprises a bracket fixedly connected with the outer side of the grinding tank, a first motor fixedly connected with one side of the top of the bracket, a screw rod fixedly connected with the bottom of the first motor, a driving plate connected with the outer side of the screw rod, and a second motor fixedly connected with the top of the driving plate; through the arrangement of the base, the grinding tank and the moving part, the problem that when an existing grinding device is used, although the existing grinding device can grind primer raw materials, residual raw materials can be discharged, and the grinding device cannot be used for grinding the primer raw materials is solved. However, due to the fact that the vertical position of the grinding shaft is fixed, raw materials left between the grinding shaft and the grinding tank are not easy to remove, the raw materials are left, and practicability is reduced.

The invention provides a cleaning machine for spare and accessory parts of a wind driven generator, and relates to the technical field of motor shaft cleaning, the cleaning machine comprises a base, side plates are symmetrically arranged at the upper end part of the base, servo motors are fixedly mounted on the side walls of the two side plates, and rotary synchronous cleaning structures are fixedly mounted on output shafts of the two servo motors; the rotary type synchronous cleaning structure comprises a first driving shaft, by arranging the rotary type synchronous cleaning structure and starting a servo motor, the first driving shaft can rotate, meanwhile, a second driving shaft and a disc can rotate, the disc rotates synchronously, and the disc can move circumferentially around the axis of the disc; and then the square strip is driven to integrally perform circular motion, so that the cleaning spray head connected with the fixed column on the square strip can be driven to perform circular motion, the cleaning spray head can perform reciprocating movable spraying above the inner cavity, and the cleaning quality can be improved.

The present invention relates to an energy-saving power supply and storage device for a photovoltaic power generation system applied in the field of photovoltaic power generation systems, comprising a ring network cabinet and a photovoltaic panel, wherein a cleaning assembly comprising a threaded screw, a cleaning block and a guide slide bar is arranged at the upper end of the photovoltaic panel, the threaded screw bar and the guide slide bar are both rotatably installed at the upper end of the photovoltaic panel, the threaded screw bar threads through the cleaning block, the guide slide bar slides through the cleaning block, the cleaning block is slidably fitted with the upper surface of the photovoltaic panel, a wind wheel is arranged on one side of the photovoltaic panel, a transmission mechanism is arranged between the wind wheel and the threaded screw bar, the wind wheel can be driven to rotate by external wind force through the coordinated arrangement of the wind wheel, the threaded screw bar and the transmission mechanism, thereby driving the cleaning block to slide back and forth in contact with the upper surface of the photovoltaic panel to clean the upper surface of the photovoltaic panel, thereby ensuring that the photovoltaic panel fully utilizes solar energy, and the cleaning process only relies on the external wind force, does not cause power loss, and is more energy-saving.

The utility model provides a wafer box, which comprises a wafer bearing chamber, an air inlet cavity and an air outlet cavity, and is characterized in that the wafer bearing chamber comprises a plurality of bearing parts arranged at intervals, and each bearing part is provided with at least one adsorption air passage; the air inlet cavity is adjacent to the wafer bearing chamber, and a plurality of first air channels communicating the wafer bearing chamber with the air inlet cavity are arranged between the air inlet cavity and the wafer bearing chamber. The first air channels penetrate through the bearing part in the horizontal direction. The air outlet cavity is adjacent to the wafer bearing chamber, a plurality of second air channels communicating the wafer bearing chamber with the air outlet cavity are arranged between the air outlet cavity and the wafer bearing chamber, the first air channels penetrate through the bearing part in the horizontal direction, the adsorption air channels are opened from the surface, bearing wafers, of the bearing part, and the bottoms of the adsorption air channels are communicated with the first air channels and / or the second air channels; the first air channel and the second air channel are oppositely arranged in the horizontal direction, and the transverse section size of the adsorption air channel is smaller than the longitudinal section size of the first air channel and the longitudinal section size of the second air channel. According to the wafer box provided by the utility model, the cleanliness of the internal wafer is ensured, and the risk of fragmentation of the wafer in the cleaning process is avoided at the same time.

The utility model relates to a plywood veneer surface treatment device relates to plywood production field, including processing box, waste transfer mechanism and surface cleaning mechanism. Waste transfer mechanism sets up at both sides of processing box, including negative pressure fan and air supply fan who sets up at both sides of processing box respectively, surface cleaning mechanism sets up in the inside of processing box, including pressing roller and brush roller, wherein, pressing roller sets up two, brush roller rotates and sets up in the inside of pressing roller. The utility model discloses through the veneer between two pressing rollers, and the veneer is transmitted while still being able to steady clamping by pressing roller, and the veneer surface of clamping part is cleaned through the brush roller of the inside of pressing roller in the clamping process, reduces the deformation injury of veneer cleaning process, and the generated waste chip after cleaning is blown to the veneer surface through air supply fan, and then is collected through negative pressure fan, makes veneer surface cleaning more sufficient.

The utility model discloses an apricot peel boiling pot for beverage processing, which relates to the technical field of apricot peel boiling, and comprises a tank body, a motor is fixedly connected to the top of the tank body, and a stirring and wiping mechanism used for boiling, stirring and wiping apricot peel at the same time is arranged in the tank body. A piston mechanism for adsorbing foam generated by stirring is arranged at the top of the tank body; the stirring and wiping mechanism comprises a first rotating shaft, the first rotating shaft is fixedly connected to the output shaft end of the motor, a fixing rod is fixedly connected to the side face of the moving disc, a wiping plate is fixedly connected to the side, away from the moving disc, of the fixing rod, the wiping plate is attached to the inner side wall of the tank body, and the moving disc rotates to drive the fixing rod and the wiping plate to rotate. The wiping plate is attached to the inner side wall of the can body, so that the inner side wall of the can body can be wiped, and sugar and other components in the apricot peel can be prevented from forming caramel or paste on the inner side wall of the can body by wiping the inner side wall of the can body.

The utility model provides a fan communication slip ring which comprises a rotor, a stator and a slip ring shell, a signal transmission component is borne in the slip ring shell, the opposite ends of the rotor and the stator are mutually sleeved, the slip ring shell is sleeved at the other end of the stator, an encoder is installed at the other end of the slip ring shell, and an expansion sealing ring is arranged at the joint of the slip ring shell and the encoder. A protection assembly is arranged on the outer side of the slip ring shell and comprises a protection cover arranged on the outer surface of the slip ring shell in a sleeving mode. Compared with the prior art, the utility model has the following beneficial effects: the two sealing reinforcements are wrapped at the two end parts of the outer surface of the slip ring shell, and the sealing reinforcements also wrap the outer surfaces of the two ends of the protective cover at the same time, so that gaps are prevented from being generated between the two ends of the protective cover and the slip ring shell after the protective cover is installed; and moisture and salt mist in the working environment of the slip ring are left on the outer surface of the slip ring shell to cause corrosion of the slip ring shell, so that the use protection performance of the slip ring shell is further improved.

The cleaning structure comprises a water sample reaction tank, L-shaped seats are arranged on the left side and the right side of the center position of the water sample reaction tank, and two hydraulic cylinders are fixedly mounted on the side walls of the left end and the right end of the center position of the water sample reaction tank; and piston rods of the four hydraulic cylinders are vertically arranged upwards. The servo motor drives the lead screw to rotate, so that the lead screw drives the shifting block which is in threaded sleeve connection to horizontally move and adjust under the limiting action of the limiting rod, the shifting block is matched with the U-shaped support to drive the U-shaped scraper of the corrosion-resistant rubber product to clean the water sample reaction tank, manual wiping and cleaning are not needed, time and labor are saved, and labor intensity is reduced; the hydraulic cylinder is matched with the L-shaped seat, the shifting block and the U-shaped bracket to drive the U-shaped scraping plate to vertically lift, so that the U-shaped scraping plate can fully and comprehensively clean the inner wall and the bottom of the water sample reaction tank, and the cleaning effect is improved.

This utility model relates to the field of filter cartridge cleaning and discloses a cleaning device for filter cartridges, including a support frame, a cleaning tank fixedly connected to the top of the support frame, a fixed frame fixedly connected to the top of the support frame, a moving device disposed inside the fixed frame, a connecting frame fixedly connected to the bottom of the moving device, a protective frame fixedly connected to the outside of the connecting frame, a second motor fixedly connected to the outside of the protective frame, a cleaning roller rotatably connected to the inside of the protective frame fixedly connected to the outside of the output shaft of the second motor, a third motor fixedly connected to the bottom of the cleaning tank, a turntable rotatably connected to the inside of the cleaning tank fixedly connected to the outside of the output shaft of the third motor, and a limit rod fixedly connected to the outside of the turntable. This cleaning device for filter cartridges has the advantages of being able to clean filter cartridges more thoroughly and saving cleaning time and effort.

The invention discloses a preparation method of a foam inhibiting and defoaming agent for a polyvinyl alcohol (PVA) aqueous solution, which comprises the following preparation steps: S1, preparing raw materials including ethylene oxide, propylene oxide, polyethylene glycol (PEG), absolute ethyl alcohol, a catalyst and silicone oil; according to the method, organic pollutants in the reactor are effectively removed, microbial cleaning not only has high selectivity and environmental protection property, but also can be carried out under mild conditions, damage of chemical cleaning agents to equipment is avoided, the organic pollutants in the reactor can be more thoroughly removed, and the method is suitable for industrial production. Residues possibly generated by a traditional chemical cleaning method are reduced, the cleaning effect is improved, the method does not depend on harmful chemicals, potential hazards to the environment and personnel are reduced, the requirement of green chemistry is met, the inner wall of the reactor is fully cleaned, residues of previous reactants or catalysts are avoided, the reaction purity can be improved, and the production cost is reduced. Generation of by-products is reduced, and the stability and quality of the final product are improved.

The invention discloses a bearing steel ball derusting device, and belongs to the technical field of steel ball derusting, the bearing steel ball derusting device comprises a rack, a first motor is installed on one side of the top of the rack, the output end of the first motor is fixedly connected with a first synchronous wheel, one side of the rack is fixedly connected with a supporting plate, and the supporting plate is fixedly connected with a first motor; and the other end of the supporting plate is rotationally connected with a tensioning wheel, one side of the bottom of the rack is rotationally connected with a second synchronous wheel, and a synchronous belt is in transmission connection among the first synchronous wheel, the tensioning wheel and the second synchronous wheel. The rust remover and the steel balls in the movable box body are shaken front and back and vibrated up and down at the same time, so that the contact area of the rust remover and the surfaces of the steel balls is increased, the rust removal process is accelerated, the cleaning efficiency is improved, time and cost are saved, all-directional covering of the rust remover on the surfaces of the steel balls is achieved, and the thorough rust removal effect is ensured.

The invention provides an efficient cleaning method for lighting equipment, and relates to the field of tunnel engineering.The efficient cleaning method comprises the steps that firstly, a moving track (100) is preset below the highway tunnel lighting equipment; afterwards, a cleaning device (200) is placed on the moving track (100), and the cleaning device (200) comprises a moving frame (10), a rack (20), a driving assembly (30), a differential transmission assembly (40), a cleaning assembly (50) and a belt transmission assembly; by starting the driving assembly (30), the driving assembly (30) controls the moving frame (10) and the cleaning assembly (50) to operate through the differential transmission assembly (40) and the belt transmission assembly respectively, and the lighting equipment is cleaned. According to the method, the lighting equipment in the expressway tunnel can be automatically and efficiently cleaned on the premise that a driving lane is not occupied.