74results about How to "Reduce cleaning dead angle" patented technology

The invention provides a membrane bioreactor device for retarding membrane pollution and a sewage treatment method. The membrane bioreactor device is characterized in that a three-phase separator is arranged in a membrane bioreactor, and a sewage treatment device with a membrane reaction zone at the upper part and a contact oxidation zone at the lower part is formed; sewage enters the contact oxidation zone from the bottom of the reactor and then enters the membrane reaction zone from a slit of the three-phase separator; under the combined action of the absorption of activated sludge and the interception of membranes, the treatment of the sewage is realized; with the adoption of a rotating membrane filtering component, the rotating shear force is increased to retard the membrane pollution, and meanwhile, the fact that all the membranes have uniform cleaning strength is guaranteed, and cleaning dead corners are reduced; the three-phase separator is connected with a gas guide tube, so that residual gas in the contact oxidation zone is guided into the membrane reaction zone at the upper part to be used as a gas washing source of a membrane component, therefore the energy consumption is reduced; online ultrasonic cleaning and chemical cleaning equipment is arranged to reduce the assembly and disassembly procedures in the membrane cleaning process. The sewage treatment device and method have the advantages of high treatment efficiency, small membrane pollution, stable effluent water quality and good convenience in operation and management.

The invention relates to an automatic turnover tool for cleaning of a box type shell workpiece. The automatic turnover tool comprises a rack, a turnover frame, a turnover drive mechanism and a clamping mechanism. The turnover frame is located in the rack. Air cylinders are installed outside the two laterally-symmetrical sides of the turnover frame respectively, a main gear ring is installed outside one side of the turnover frame, a linkage gear meshed with the main gear ring is arranged on an output shaft of a motor, and the motor, the main gear ring and the linkage gear form the turnover drive mechanism. The clamping mechanism comprises the two air cylinders and two clamping plates, the two air cylinders are installed outside the two sides of the turnover frame in a laterally-symmetrical mode, and the clamping plates, connected with piston rods, on the two air cylinders are symmetrically located in the turnover frame. Fixing installation supports on the two air cylinders are fixed to the two sides of the rack respectively. The turnover frame can achieve 180-degree reciprocating rotation and can be used for cleaning of a production line, the coverage rate of the cleaned surface of the workpiece is higher and coverage is more uniform, generation of more cleaning dead angles is reduced, and cleaning quality of the workpiece is improved.

The invention discloses a spaying head and a sprayer and relates to the technical field of dish washing machines. The spraying head disclosed by the invention comprises a strip-shaped shell body, wherein spraying holes are arranged along the length direction of the shell body surface; the spraying holes are divided into at least two groups; each group of spraying holes could supply water for spraying at the same time; and different groups of spraying holes could supply water for spraying in a time-shared manner. The sprayer used for tableware washing disclosed by the invention comprises the spaying head, wherein the spraying head is installed on a fixation base; and the spraying head can be rotated relative to the fixation base. The spraying head and the sprayer disclosed by the invention are characterized in that the spraying head can carry out time-shared spraying of different groups of spraying holes, so the spraying can be controlled easily, and the water pressure does not need to be increased when the quantity of the spraying holes increases; and the sprayer comprises the spraying head and can carry out rotary spraying as well as spraying at different angles and in different rotation directions, so cleaning dead corners are reduced.

The invention relates to a manufacturing technique of nuclear fuel grillwork strips, in particular to a cleaning method of a nuclear fuel element grillwork stripe. A hydrocarbon cleaner serves as cleaning liquid, and the cleaning method comprises the cleaning links including primary cleaning operation, dewatering, secondary cleaning operation, third-time cleaning operation, steam bath cleaning operation and vacuum drying operation. The working efficiency of cleaning of the nuclear fuel element grillwork stripe is effectively improved, the working environment is improved, and the cleaning qualification rate of a stripe product is increased.

The invention discloses an on-line cyclic cleaning process for a hydraulic pipeline system and belongs to pipeline cleaning technologies in the field of hydraulic transmission. The on-line cyclic cleaning process for the hydraulic pipeline system aims at achieving the technical effect that an on-line cyclic cleaning technology for complex, long and large hydraulic pipeline systems is provided so that cleaning quality and efficiency can be improved. According to the technical scheme, the on-line cyclic cleaning process comprises the steps of 1, firstly, switching off a hydraulic power pack, an actuator, a control valve piece and a real valve block assembly; 2, designing a cleaning loop; 3, connecting pipelines different in pipe diameter in sequence from thick to thin; 4, designing a mock-up valve block assembly; 5, connecting the mock-up valve block assembly to to-be-cleaned loops; 6, connecting the to-be-cleaned loops to a cleaning oil source; 7, cleaning each to-be-cleaned loop; and 8, checking whether the cleaning effect is qualified or not, wherein if the cleaning effect is qualified, a valve block assembly is replaced with a clean valve block assembly, the control valve piece and the real valve block assembly are replaced, and the cleaning work is completed; and if the cleaning effect is not qualified, the cleaning process in step 7 is repeated till the cleaning effect is qualified. The on-line cyclic cleaning process is applied to cleaning of hydraulic pipelines.

The invention discloses a frictional cleaning label-remover for plastic films, comprising an underframe and an outer cylinder disposed on the same. An inner cylinder is disposed within the outer cylinder. A spindle penetrating the two ends of the outer cylinder is disposed within the inner cylinder. Two ends of the spindle are fixed to the underframe through a plurality of bearings. One end of the spindle is further provided with a belt pulley and a main motor fitting each other. One end of the outer cylinder is provided with a water inlet and a feed opening; meanwhile, the other end of the outer cylinder is further provided with a discharge opening. The bottom end of the underframe is provided with a collecting and residue-discharging channel and a pipeline flange fitting the collecting and residue-discharging channel. The outer wall of the inner cylinder is provided with a plurality of cleaning main teeth and a spiral vane fitting the feed opening. The inner wall of the outer cylinder is provided with a plurality of cleaning auxiliary teeth. The frictional cleaning label-remover for the plastic film has the advantages that cleaning effect is greatly enhanced by modifying a cleaning mode, cleaning dead corners are narrowed, label removal rate is increased, multiple contacts engage in friction at a time, material cleaned needs no secondary frictional cleaning, and cleaning time is greatly saved.

The invention discloses a cotton woven fabric cleaning device comprising a cleaning tank containing cleaning liquid. A first guiding roller, a second guiding roller and a third guiding roller are arranged successively in the cleaning tank. A first roller brush in contact with the top surface of cotton woven fabric is arranged between the first guiding roller and the second guiding roller; and a second roller brush in contact with the bottom surface of the cotton woven fabric is arranged between the second guiding roller and the third guiding roller. Besides, a first flushing pipe is also arranged in the cleaning tank; and a rotating motor is arranged at the outer side of the cleaning tank. A first arc-shaped groove using the rotating shaft center of the rotating motor as the circle centeris formed in one side of the cleaning tank and is ranged above the cleaning tank; a second arc-shaped groove corresponding to the first arc-shaped groove is formed in the other side of the cleaning tank; one end of the first flushing pipe passes through the first arc-shaped groove and is connected with the rotating shaft of the rotating motor by a connecting rod; and the other end of the first flushing pipe passes through the second arc-shaped groove and is connected with a limiting block. The cotton woven fabric cleaning device has characteristics of high cleaning efficiency and good cleaningeffect.

The invention discloses a reaction kettle which comprises a tank body and an upper cover connected to the tank body. A feeding inlet, a liquid inlet and a maintaining opening are formed in the upper cover, the tank body comprises a heating wall, a heating sleeve and a tank bottom connected to the bottom of the heating wall, a discharging outlet is formed in the tank bottom, and the heating sleevesleeves the heating wall; the reaction kettle further comprises a cleaning device, a left pipe inlet and a right pipe inlet are symmetrically arranged on the upper cover, and sealing covers are arranged at the left pipe inlet and the right pipe inlet; the heating wall is provided with at least three spiral heating concave rails allowing the cleaning device to be positioned and slide at equal intervals; according to the reaction kettle and the cleaning method thereof, the reaction kettle is cleaned through an upper track nozzle and a lower track nozzle on the cleaning device, meanwhile, the cleaning device rotates when lifted through the spiral heating concave rails, and the effect of cleaning different angles of the inner wall of the reaction kettle is achieved.

The invention discloses a turbine handpiece provided with a needle locker, which comprises a support, an ejector needle, a needle guard and a sleeve. Mutually adaptive through holes are formed in the radial direction in the tail end of the ejector needle and the sleeve; a fixing needle is inserted into the through holes for fixing the ejector needle and the sleeve, and comprises a fixing part and a limiting arc, the fixing part is a cylinder, the limiting arc is an arc connected with one end of the fixing part, and the arc is matched with the outer surface of the sleeve. According to the invention, the ejector needle and the sleeve are connected by utilizing the fixing needle, all that is needed for connection is to align the through hole in the ejector needle to the through hole in the sleeve, and then insert the fixing part of the fixing needle into the through holes, the installation is convenient and simple, and the fixation is relatively stable, so that conditions of misplacement and ejector needle deflection are avoided; the ejector needle comprises the limiting arc, the fixing part inserted into the through holes can sleeve the sleeve to prevent the fixing needle from falling off and causing a potential safety hazard; a needle groove matched with the limiting arc is arranged on the sleeve and can hide the limiting arc in the needle groove without influencing the assembly of other parts in the handpiece.

The invention discloses a countercurrent sugar washing machine in the field of preserved fruit processing devices. The countercurrent sugar washing machine comprises at least one stage of conveying and cleaning assembly, wherein one end of each stage of conveying and cleaning assembly is provided with a feed port, the other end of each stage of conveying and cleaning assembly is provided with a discharge port, and the discharge port of the previous stage is connected with the feed port of the next stage; each conveying and cleaning assembly comprises a cleaning water tank with a U-shaped crosssection, a conveying mechanism capable of conveying materials from the corresponding feed port to the corresponding discharge port is arranged in the cleaning corresponding water tank, the cleaning water tanks are obliquely arranged, the position of one end of each feed port of the corresponding cleaning water tank is lower than that of one end of the corresponding discharge port of the corresponding cleaning water tank, a spraying pipe is arranged in each cleaning water tank, and an overflow water outlet mechanism is arranged at the low end of each cleaning water tank. The device washes sugar in a countercurrent mode, the sugar washing efficiency is high, and washing water can be repeatedly used. The countercurrent sugar washing machine is specially used for preserved fruit processing.

The invention discloses an energy-saving type opposite-opened four-color printing machine. The structure of the energy-saving type opposite-opened four-color printing machine comprises a frame, a master switch, a display screen, an operation board, a conveying frame, a printing roller, an ink box and a base. The energy-saving type opposite-opened four-color printing machine has the beneficial effects that the problem is solved by arranging an ink cleaning device on the printing roller; the ink cleaning device flushes and removes excessive ink on the printing roller through a claw ring device and a flusher on the structure; the claw ring device can prevent the ink from being attached to a disc body due to interference of high intensity airflow in the ink cleaning process; the flusher flushes the surface and the gap of the printing roller by using a compressed gas; by using slide grooves whose structures correspond to each other, the flusher can realize up-and-down sliding deviation to change the washing range so as to reduce washing dead corners; and by removing the excessive ink on the printing roller to reduce the failure rate and the loss of paper products, the purpose of savingenergy is achieved.

The invention provides a high-pressure three-dimensional water-jet oil tank cleaning device. The high-pressure three-dimensional water-jet oil tank cleaning device comprises a cleaning device and a blow-drying device, wherein the cleaning device comprises a clean water tank, the outlet of the clean water tank is connected with a plunger pump inlet through a water outlet pipe, the outlet of the plunger pump is connected with a hydraulic control loop, the outlet of the hydraulic control loop is connected with a high-pressure three-dimensional rotating spray nozzle arranged in an oil tank through a high-pressure water supply pipe; the blow-drying device comprises an air gun and an electromagnetic valve arranged on the air inlet pipe of the air gun, a switch is arranged on the handle of the air gun and the switch is connected with the electromagnetic valve through a control circuit. The device can simultaneously complete the cleaning and blow-drying of the oil tank, foreign matters such as oxide scales, steel balls and welding slags are taken away by using high-pressure water flows, then the oil tank is blow-dried after cleaning is completed, the requirement on the cleanness of the oil tank is satisfied, the water scale caused by residual cleaning solution is reduced, the working conditions of operators are greatly improved and the occupational injuries of the operators are effectively avoided.

The invention discloses a magnetic expansion type cleaning device for a variable-diameter pipeline, and belongs to the field of cleaning. Through the arrangement of an extension variable-diameter barrel, when a variable-diameter position is cleaned, the extension variable-diameter barrel is expanded outwards and attached to the inner wall of the variable-diameter position through attraction of an electrified electromagnetic clamp at the variable-diameter position, the cleaning device can adapt to the change of the inner diameter of the variable-diameter position of the pipeline, the cleaning effect of the variable-diameter position of the pipeline is effectively guaranteed, and compared with the prior art, the situation that cleaning dead corners appear at the position is obviously reduced, and in addition, and through the cooperation of a flexible pipe, all or most of introduced water for cleaning can only overflow or be sprayed from the extension variable-diameter barrel which extends outwards and expands outwards, so that the waste of water resources is remarkably reduced.

The invention provides a dish washing machine. The dish washing machine comprises a shell which comprises a partition plate in the shell and is divided into a first chamber through the partition plate, and a cleaning tank which is supported on the partition plate and used for containing fruits and vegetables, comprises a matching part detachably connected with the shell and is used for containingand cleaning fruits and vegetables, so that the fruits and vegetables are soaked and washed in the cleaning tank. Grease and silt on fruits and vegetables remain in the cleaning tank. After a user uses the dish washing machine, the user only needs to detach the cleaning tank, so that the cleaning tank and the dish washing machine shell are separated from each other, the cleaning tank is independently cleaned, and the interior of the first chamber does not need to be complexly cleaned. Due to the fact that the cleaning tank is detached independently, cleaning dead corners are greatly reduced, cleaning is more convenient for a user, and user experience is improved.

The invention discloses a zipper head outer surface cleaning device, and relates to the field of zipper head production. The device comprises a cleaning box, a cleaning cylinder and a driving mechanism, the driving mechanism is arranged on one side of the cleaning box, a hose is installed at the output end of a water pump, a spray head is connected to the other end of the hose, a sliding block is arranged in a sliding rail, a moving block is installed at the bottom of the sliding block, a screw is arranged in the moving block, one end of the screw is rotationally connected with the inner wall of the cleaning box, and the other end of the screw extends outwards and is connected with a screw motor. According to the cleaning device, the contact area between the cleaning device and cleaning water is increased through the driving mechanism, so that cleaning dead corners are reduced, the cleaning effect is further improved, and the cleaning effect is enhanced; and meanwhile, the arranged screw motor drives a single spray head to transversely move back and forth, so that investment of too many sprayers is reduced, investment cost of the device is reduced, the cleaning range of the sprayers is guaranteed, and the zipper head is cleaned more thoroughly.

The invention discloses a beauty medical instrument cleaning and disinfecting device. The beauty medical instrument cleaning and disinfecting device comprises a cleaning box body, a brush sleeve and aconveying structure; the conveying structure comprises a sliding rod, an external thread sleeve, an internal thread sleeve and a cleaning clamping block; the sliding rod and the external thread sleeve are both rotationally connected with the cleaning box body, and the internal thread sleeve is in threaded connection with the external thread sleeve; the sliding rod is slidably connected with the internal thread sleeve, one side of the cleaning box body is fixedly connected with a control box body, the top of the control box body is fixedly connected with a motor, and the motor is connected with a driving shaft through a speed reducer; and the driving shaft is fixedly connected with an upper bevel gear, a left bevel gear and a right bevel gear are arranged on the two sides of the upper bevel gear in a meshing transmission connection mode correspondingly, the left bevel gear is fixedly connected with the sliding rod, and the right bevel gear is fixedly connected with the inner threaded sleeve. The beauty medical instrument cleaning and disinfecting device is driven to move and rotate to pass through the cleaning area, and cleaning dead corners can be effectively reduced.

The invention relates to the technical field of semiconductors, and discloses a cleaning device for semiconductor preparation. The cleaning device comprises a cleaning box, wherein fixed bases are fixedly connected to the four corners of the lower surface of the cleaning box; a door plate is arranged on the front face of the cleaning box; an operation handle is fixedly connected to the front faceof the door plate; a fixing plate is fixedly connected to the inner bottom of the cleaning box; movable rotating devices are arranged on the left side and the right side of the upper surface of the fixing plate correspondingly; and clamping devices are arranged on the inner sides of the movable rotating devices. According to the cleaning device for semiconductor preparation, a driving motor drivesa rotating disc to drive a sliding column to move inwards to move a semiconductor to be clamped and fixed, so that a better fixing effect is achieved on the semiconductor, the surface of the semiconductor can be better and uniformly cleaned in all directions, cleaning dead corners of the semiconductor are effectively reduced, the semiconductor can be better cleaned, the cleaning effect of the semiconductor is improved, and the use convenience is improved.

The invention relates to the technical field of civil construction, and discloses a civil construction muck wheel field cleaning device which comprises a supporting bottom plate, a spraying mechanism and a supporting mechanism. The spraying mechanism comprises a fixing base arranged on the side, away from the ground, of the supporting bottom plate, and a spraying head is arranged on the fixing base; the supporting mechanism comprises receding grooves formed in the two sides of the supporting bottom plate, fixing plates are arranged at the two ends of the receding grooves, third sliding grooves are formed in the two sides of the fixing plates and slidably connected with the ends of rotating shafts, a pressing roller is arranged in the middle of each rotating shaft, second sliding grooves are formed in the sides, close to the supporting bottom plate, of the fixing plates, and second sliding blocks are slidably connected to the second sliding grooves. The second sliding block is rotationally connected with a supporting roller matched with the pressing roller. According to the site cleaning device for the muck wheels for civil construction, the wheels are cleaned through the spray heads, so that the cleaning efficiency of the whole device is improved, and due to the fact that the wheels can rotate freely, cleaning dead corners are reduced, and the cleaning effect is improved.