53results about How to "Improve cleaning methods" patented technology

A method for cleaning an interior surface of a processing equipment using a treatment liquid, the processing equipment including a pipe section defining pipe section first and second ends, the pipe section defining a pipe section volume delimited by the pipe section first and second ends, the pipe section being initially at an initial internal pressure. The method includes introducing a predetermined volume of the treatment liquid, the predetermined volume being substantially smaller than the pipe section volume circulating the predetermined volume of the treatment liquid through the pipe section by simultaneously reducing an internal pressure within the pipe section at a location substantially adjacent the pipe section second end and increasing an internal pressure within the pipe section at a location substantially adjacent the pipe section first end.

The invention discloses a foam type fruit-vegetable and tableware detergent composition, which contains the following raw materials: 1%-15% of a special anionic surfactant magnesium alkylbenzene sulfonate; 5%-50% of other surfactant; 0.1%-5.0% of a cosolvent; 0.01%-2% of a bactericidal preservative; 0.04%-0.1% of other components; and the balance deionized water. The composition provided by the invention selects the special combination of magnesium alkylbenzene sulfonate, other surfactant and assistants, so that the detergent maintains the basically no viscosity and stable foam state. By means of a push type foam pump head or jet type foam nozzle, the detergent is extruded or jetted in the form of foam. Being different from traditional fruit-vegetable and tableware detergents, the detergent composition is used for cleaning by means of the foam directly pushed or jetted out of a container, dissolution of the detergent in water and stirring of it into foams before cleaning can be unnecessary. The detergent composition is mainly used for cleaning fruits and vegetables and tableware, and has the characteristics of convenience, rapidity, and strong decontamination, etc.

The invention discloses an optimized membrane bioreactor (MBR) back washing method. An MBR is operated at constant flux. The method comprises the following steps: I. computing the transmembrane pressure (TMP) of membrane modules of the MBR in a certain period of time; II. computing the similarity S in the certain period of time: specifically, firstly determining the reference value Tref of the TMP and then computing the similarity S by utilizing the TMP according to a formula in the specification; III. comparing the value of S with a preset threshold, washing the membrane modules by an online cleaning mode at different cleaning time if the value of S is not less than the preset threshold, and washing the membrane modules by an online chemical cleaning or offline cleaning mode if the value of S is less than the preset threshold. According to the actual situation of membrane pollution, through low-strength more timely cleaning, pollution of the MBR membrane is eliminated at the initial stage of formation, thus preventing synergistic deterioration effects caused because membrane pollution is not timely recovered, saving energy and time and prolonging the service lives of the membrane modules.

The invention discloses a self-cleaning type industrial oil and smoke purification plant. The purification plant comprises a purification box; an air inlet and an air outlet are arranged on the purification box; an air inlet pipe is connected to the air inlet; an air outlet pipe is connected to the air outlet; a high-voltage electrostatic field is arranged in the purification box between the air inlet and the air outlet and connected with a high-voltage generator; the purification box is U-shaped; the air inlet and the air outlet are respectively two ports of the U-shaped purification box; the two ports are respectively provided with a control valve; the high-voltage electrostatic field is arranged in a vertical area of the U-shaped purification box; a liquid intake pipe with a valve is also arranged on the U-shaped purification box; a drain pipe with a valve and an oil drainage elbow pipe with a valve are arranged at the bottom of the U-shaped purification box. The self-cleaning type industrial oil and smoke purification plant disclosed by the invention has the advantages of simple and convenient cleaning mode, good cleaning effect, prolonged service life and improved oil and smoke purification effect.

The invention belongs to the technical field of computer cleaning equipment and particularly relates to a quick computer display cleaning device. Aiming at problems of simple design structure, singlecleaning mode, incompleteness in cleaning and poor regulation performance, a scheme is put forward and includes that the quick computer display cleaning device comprises a bottom plate and a fixing device, a dustless box is fixed to the top outer wall of the bottom plate through bolts, an electric slide rail is fixed to the bottom inner wall of the dustless box through bolts and comprises a slidepart, the slide part and the electric slide rail are in slide fit, and a first connection plate is fixed to the top outer wall of the slide part through bolts. The quick computer display cleaning device is rich in structure and functional diversified; by display cleaning in various ways including water washing, air scrubbing, ultrasonic washing and the like, cleaning modes are increased, ultrasonic vibratory cleaning of blind corners of displays can be realized, shedding of dust at the blind corners is realized, the cleaning performance of the device is improved, and thoroughness in cleaning is achieved.

The invention relates to a preparation process of an amorphous silicon tandem thin film solar cell, and the cell adopts a solar cell model with the structure of a glass substrate/TCO (transparent conductive thin film)/a top layer of PIN amorphous silicon thin film/a second layer of PIN amorphous silicon thin film/a third layer of PIN amorphous silicon thin film/an Al bottom electrode. The main process steps are as follows: (1) cleaning the substrate; (2) preparing the TCO (transparent conductive thin film); (3) preparing the top layer of PIN amorphous silicon thin film; (4) preparing the second layer of PIN amorphous silicon thin film; (5) preparing the third layer of PIN amorphous silicon thin film; (6) and preparing the Al electrode. The tandem solar cell is significantly characterized in that materials with the different forbidden band widths are combined together, thereby widening the scope of spectral response, effectively preventing the light-induced degradation, so as to improve the photovoltaic conversion efficiency and the stability of the cell. Simultaneously, the preparation process is simple, and the large-scale production can be realized.

A method for cleaning the surface of a semiconductor wafer is disclosed. A first cleaning solution is applied to the wafer surface to remove contaminants on the wafer surface. The first cleaning solution is removed with some of the contaminants on the wafer surface. Next, an oxidizer solution is applied to the wafer surface. The oxidizer solution forms an oxidized layer on remaining contaminants. The oxidizer solution is removed and then a second cleaning solution is applied to the wafer surface. The second cleaning solution is removed from the wafer surface. The cleaning solution is configured to substantially remove the oxidized layer along with the remaining contaminants.

The invention provides an intelligent spray device for environmental engineering. The device includes a protection shell, a rotary motor, an U-shaped frame, a bearing, a sprinkle ring, a nozzle, a water conveying pipe, a water pump, an air cylinder, a connection base, a collection box structure, a cleaning base structure, a purification cylinder structure, a placement box structure, a connection push-handle structure and a control detection rod structure. The protection shell is welded on the right side of the upper surface of the cleaning base structure; the rotary motor is installed on the upper portion in the protection shell through bolts; the U-shaped frame is welded on an output shaft of the rotary motor, the bearing is embedded in the upper portion in the U-shaped frame, and the purification cylinder structure is inserted in the U-shaped frame. The device has the advantages that through the arrangement of the collection box structure, spraying in a single direction for a long time is facilitated, water falling down from the single wind direction can be conveniently collected, and the problem that when spraying in the single direction is conducted, the ground is too wet and people can not easily walk on the ground in a short time is further avoided.

The invention discloses an extrusion cleaning device for a heat exchange tube. A cleaning mechanism can achieve axial extrusion cleaning and circumferential extrusion cleaning along the tube, the cleaning modes are widened and can be freely switched, not only can the extrusion cleaning device be applied to cleaning of all areas in the axial direction of the tube, but also targeted cleaning can beconducted for partial areas which are prone to being scaled and have more scales, and different cleaning requirements can be met. Cleaning is conducted through two cleaning wheels for the two cleaningmodes, the switching mode is simple and easy to operate, mutual influence can not occur, more requirements are met, and the problem that a traditional cleaning mode is simple is solved. The cleaningdevice does not need a specific flexible material tube and is wide in application range.

The invention discloses a solar cell production process. The production process comprises the following steps: A, manufacturing polycrystalline silicon; B, making the polycrystalline silicon into a silicon ingot; C, cutting the silicon ingot into a silicon wafer; D, detecting the silicon wafer; E, carrying out the surface cleaning and texturing; F, etching and back polishing; G, performing silk-screen printing; H, sintering and plating a reflecting film; and I, detecting and packaging. According to the invention, the production process is adopted, all wastes in the whole production process canbe fully utilized, no waste is discharged, environment-friendly and pollution-free production can be realized, and various generated waste liquid can be used for recycling and treating scrapped failures and unqualified solar cells, the cleaning mode and the etching mode of the silicon wafer are improved, the technological process is effectively shortened, the required raw materials are easy to obtain, the production cost of the solar cell is reduced, and the benefits of the enterprise are met.

The invention discloses a glass wiping device. The device comprises a water tank, a hose, wiping cotton, a shell and a nozzle which can be pressed for spraying, wherein the wiping cotton is arranged at the lower part of the shell, and the water tank is fixed on the shell; the nozzle is arranged on the water tank, the inlet end of the nozzle is connected with the water tank through a hard water inlet pipe; one end of the hose is connected with the hard water inlet pipe, and the other end of the hose extends to the bottom of the water tank; an iron ball is connected with the end, extending to the bottom of the water tank, of the hose, and is used for sinking the end of the hose to the bottom of the water tank; and an operation rod for pressing the spray nozzle is connected to the nozzle. When the glass wiping device is used, the nozzle is pressed by controlling the operation rod, the inlet end of the nozzle can be used for sucking out cleaning fluid from the water tank in the nozzle pressing process, the sucked cleaning fluid is pressed and sprayed to glass to be washed in a water-mist mode, and the wiping cotton on the glass wiping device is attached to the glass and used for directly wiping back and forth, so that the glass wiping device is more convenient to use.

The invention provides an energy-saving and environment-friendly polyester fiber cleaning device. The energy-saving and environment-friendly polyester fiber cleaning device comprises a fixed bottom plate, a left supporting plate, a collecting box frame, a longitudinal spraying pipe, a spraying head, a transverse connecting pipe, a first conveying pipe, a water distributor, a second conveying pipe,a first water pump, a cleaning liquid box, a cleaning pool, a first guide rolling shaft, a second guide rolling shaft, a rinsing pool, a right supporting plate, a speed reducer, a material collectingmotor, a collecting box, a supporting column, a protective shell, a PLC, a driving switch, a movable dewatering frame structure, an auxiliary movable cleaning frame structure, a detachable connectingdisc structure and a filterable treatment box structure, and left supporting plate is welded to the front portion and the rear portion of the left side of the upper surface of the fixed bottom platecorrespondingly. The energy-saving and environment-friendly polyester fiber cleaning device has the beneficial effects that through the arrangement of the movable dewatering frame structure, during use, extruding polyester fibers between the left supporting plate and the right supporting plate can be carried out, so that the dewatering work is achieved, and the functionality of the device is increased.

The invention discloses a method for removing dust and oil from coal-chemical engineering wastewater. The method comprises following steps: (1), dust removing: wastewater enters a water channel through a dust removing water inlet valve and rotates for 360 degrees in the water channel to flow upwards, pressure difference is formed, the wastewater enters a center water distributor through a grid and a dust removing filter material under the action of the pressure difference and then flows out from a dust removing water outlet valve, suspended solids are intercepted by the dust removing filter material, and the dust removing of the wastewater is completed; (2), oil removing: the wastewater after dust removing enters a tank through an oil removing water inlet valve and moves downwards under the action of gravity, lipophilic groups of the filter material absorb dispersed oil drops in the wastewater when the wastewater passes an oil removing particle membrane, oil is enabled to be demulsified on the oil removing particle membrane, a thin film is formed, water after oil removing continuously flows downwards and is discharged from an oil removing water outlet valve, oil molecules are intercepted and accumulated to form oil drops, the enriched oil drops are separated in a large oil drop form and float upwards to the top end of the tank, and oil removing is completed. The invention further discloses a dust and oil removing system implementing the method.

Provided is a roundabout cooling and filtering type engine oil cooler, comprising an upper housing, a lower housing, a upper backflow guiding dike, a lower backflow guiding dike, and cooling fins. The upper housing and the lower housing are connected in a sealed manner to form a closed container. The top end of the upper housing is provided with an oil inlet and an oil outlet. The upper backflow guiding dike is arranged between the oil inlet and the oil outlet and is on the inner wall of the upper housing. The lower backflow guiding dike is arranged on the inner wall of the lower housing. The shape of the lower backflow guiding dike is the same with the shape of the upper backflow guiding dike, and the position of the lower backflow guiding dike is corresponding to the position of the upper backflow guiding dike. When the upper housing and the lower housing are closed, the top end face of the upper backflow guiding dike contacts the top end face of the lower backflow guiding dike. The cooling fins are uniformly arranged on the outer walls of the upper housing and the lower housing. The upper housing is arranged on the lower end of a diesel engine block, and the oil inlet of the upper housing is abutted against the oil outlet on the bottom surface of the engine block in a sealed manner. Using the oil cooler, temperature of machine oil can reduce by 14 to 30 DEG C, and machine oil cleanliness is ensured, and continuous operation of a good state and long service life of an engine are ensured.

The invention relates to a municipal lifting device which comprises a supporting part. The supporting part is of a hollow structure with the top open, a lifting plate is arranged on the inner side of the supporting part, a washing space for washing the lifting plate is formed in the hollow inner side of the supporting part, water flow holes are formed in the lifting plate in a penetrating mode, and a driving piece for driving the lifting plate to vertically lift and lower is arranged on the inner side of the supporting part. The invention further discloses application of the municipal lifting device. The lifting device is applied to the ground close to the periphery of a urinal and installed underground in an embedded mode, the top of the supporting part is horizontal to the ground, and the lifting plate is opposite to the position of the urinal and supports the feet of a user. According to the public content, the supporting part, the lifting plate and other structures are ingeniously combined with a urinal in a male toilet and a squatting urinal in a male-female toilet, so that the situation that urine remains on the ground, and consequently the environment and surrounding air are polluted is avoided.

The invention discloses a dead-corner-free automobile hub convenient to clean. The dead-corner-free automobile hub convenient to clean comprises an outer wheel, an outer fixing wheel is fixed in the outer wheel, an inner fixing wheel is arranged in the outer fixing wheel, and a center axle wheel is arranged in the inner fixing wheel; a protecting shell is arranged on one side of the center axle wheel, and a protecting inner ring is arranged on one side of the center axle wheel; first positioning holes are formed in one side of the outer fixing wheel, grooves are formed in the inner fixing wheel, and fixing grooves are formed in the inner fixing wheel; and second positioning holes are formed in one side, away from the first positioning holes, of the outer fixing wheel, third positioning holes are formed in the protecting inner ring, and first positioning screws are fixed to the protecting inner ring. Compared with a traditional automobile hub, the dead-corner-free automobile hub convenient to clean can be cleaned more thoroughly and conveniently; besides, heat dissipation of the automobile hub is facilitated, so that the service life of the automobile hub is prolonged; and moreover,it is only needed to replace parts instead of the whole automobile hub during maintenance, so that the maintenance cost is reduced.

The invention discloses dust cleaning equipment for a photovoltaic solar panel, which comprises a base. Driving motors are fixedly mounted around the top of the base, driving wheels are fixedly mounted at the output ends of the driving motors, the driving wheels are sleeved with anti-skid sleeves, a first dust cleaning wheel is rotatably mounted in the base, a second dust cleaning wheel is rotationally mounted on one side of the first dust cleaning wheel, a first dust cleaning motor is fixedly mounted on the rear side of the first dust cleaning wheel, and a second dust cleaning motor is fixedly mounted on the rear side of the second dust cleaning wheel. The first dust cleaning motor, the second dust cleaning motor and a cotton pad are arranged to cooperate with each other, dust on the solar panel can be subjected to multiple cleaning, the mode of cleaning the dust on the solar panel by the equipment is increased, the cleaning quality is improved, a storage battery is arranged to provide electric power support for the equipment during operation, and therefore the endurance of the equipment during use is improved, the practicability is improved, the cleaning equipment is more convenient to use, and the application range is expanded.

A cleaning method for improving a wafer surface polluted by metal ions is disclosed. This method is to install an ion change filter in a pipeline, in which deionized water runs, to reduce the number of metal ions to be less than 0.1 ppb, so as to avoid that the metal ions of deionized water remains on the surface of the wafer during the process in cleaning the wafer and diffuses in the thermal oxidation process afterwards to affect the quality of oxide film.

Cleaning solutions for integrated circuit devices and methods of cleaning integrated circuit devices using the same are disclosed. The cleaning solution includes about 30% aqueous ammonia solution, acetic acid by a volume percent higher then a volume percent of the aqueous ammonia solution, and deionized water by a volume percent higher then the volume percent of the acetic acid. Additionally, disclosed are methods wherein the cleaning solution is formed on integrated circuit substrates having an exposed metal pattern formed thereon, and further providing mega-sonic energy to the film of the cleaning solution.

An image forming apparatus includes an image forming device that forms a toner image on a recording medium, a first rotator, and a second rotator that presses against the first rotator to form a nip therebetween. The first rotator conveys the recording medium bearing the toner image through the nip with a first orientation of the recording medium to fix the toner image on the recording medium to create a cleaning sheet bearing a cleaning image in a cleaning sheet creation mode. The first rotator conveys the cleaning sheet bearing the cleaning image through the nip with a second orientation of the cleaning sheet, that is different from the first orientation of the recording medium, such that the cleaning image is disposed opposite the first rotator to cause the cleaning image to remove a foreign substance from a surface of the first rotator in a cleaning mode.

The invention discloses a scrubber air duct and sewage tank integrated structure which comprises a scrubber assembly, an air suction assembly, an air duct assembly and a sewage tank assembly, the scrubber assembly comprises an upper cover, a scrubber body and a chassis, the upper cover is correspondingly connected to the upper side of the scrubber body, and the chassis is correspondingly connected to the lower end of the scrubber body; the air suction assembly comprises a first air suction pipeline connected with the scrubber body; the air duct assembly comprises an air duct body communicated with the first air suction pipeline, an air suction pipe opening connected with the first air suction pipeline is formed in the side wall of the air duct body, a vertical air inlet pipe opening is formed in the upper end of the air duct body, and a butt joint opening and a drain outlet are formed in the side wall and the bottom wall of the air duct body respectively. The novel air duct structure is adopted, the problem of disassembly of the sewage tank is solved, and a user can conveniently select a cleaning mode by himself/herself; meanwhile, the upper opening and the lower opening of the air inlet end of the air duct are obliquely bent, so that sewage is prevented from being sucked into the air duct to damage the motor when sewage in the sewage tank reaches a certain height.

The invention discloses a handheld acoustic wave tooth polishing and whitening device. The handheld acoustic wave tooth polishing and whitening device comprises at least one grinding head and a powersource driving the grinding head to move, wherein the grinding head is provided with at least one cavity, and each cavity is provided with an opening; the power source is a vibration device; and any one grinding head is detachably connected with the vibration device, and after the vibration device is started, the grinding head vibrates along with the vibration device. The handheld acoustic wave tooth polishing and whitening device disclosed by the invention has the advantages of comprehensive cleaning effect, mild usage experience and simple structure.

The invention provides cooking equipment. The cooking equipment comprises a cooking cavity; a cover plate arranged on the cooking cavity, wherein a containing cavity is formed between the cover plate and the cooking cavity; and a heat source arranged in the containing cavity. According to the cooking equipment provided by the invention, the heat source is arranged in the containing cavity, so that the heat source can be prevented from being directly arranged in the cooking cavity, oil stains and food residues can be prevented from being left on the heat source or on the cavity walls of the cooking cavity near the heat source in the cooking process to cause difficult cleaning; meanwhile, the cover plate is arranged on the multiple cavity walls of the cooking cavity or the cover plate covers most of the area of each cavity wall to enlarge the heating area of the cooking cavity, the temperature uniformity in the cooking cavity can be improved, food in the cooking cavity can be heated evenly, the taste and aesthetic feeling of the food are improved, and the good cooking effect is guaranteed.