42results about How to "To achieve the purpose of self-cleaning" patented technology

The present invention relates to a self-cleaning method for filter and its device. It is characterized by that it utilizes jet flow suction force, and at the same time of using domestic water makes the filter interior produce negative pressure, and utilizes the negative pressure to reverse flush the filtering element, so that the various dirts adsorbed on the outer wall of filtering element can be reversely sucked out and can be discharged out together with domestic water. Its device includes the following several portions: water inlet tube, outer shell, filtering element, jet flow water channel, jet flow device, water discharge tap and clean water tap.

The invention discloses a check valve. The check valve comprises a valve body, a valve cover and a check component fixed into the valve body. The check component comprises a flexible piece and a body, the valve body is provided with a water inlet and a water outlet, and the body gradually shrinks from the water inlet to the water outlet; the flexible piece is in a ring shape, one end of the flexible piece is fixedly connected with the valve body, and the inner wall of the other end of the flexible piece is tightly attached to the side wall of the body; the outer wall of the flexible piece is in smoothing transition to the side wall of the body, and the side wall of the body is a conical curve face protruding outwards; the water inlet of the valve body is connected with a filtering pipe and a connecting opening with the inner diameter larger than the outer diameter of the filtering pipe; and the filtering pipe is located in an inner cavity of the connecting opening, and the filtering pipe is provided with a pipe body with the closed outer end. The check valve is simple in structure, large in positive circulation area, good in reverse sealing performance and free of collision and noise during sealing and has the filtering function.

The invention provides a bus brace and pantograph brace porcelain insulator on a roof of an electric locomotive. The insulator comprises an upper accessory, non-circular porcelain and a lower accessory. The non-circular porcelain is high-strength porcelain and is in a shape formed by arranging multilayer umbrellas, large umbrellas and small umbrellas in order at intervals, the cross sections of multilayer umbrella skirts and rod diameters of the non-circular porcelain are in non-circular streamline shapes, and a layer of homogenous self-cleaning glaze is applied to the surface of the non-circular porcelain. The upper accessory and the lower accessory are made of anti-corrosion high-strength metal materials and are in non-circular fit with the non-circular porcelain. When the bus brace and pantograph brace porcelain insulator on the roof of the electric locomotive run, a non-circular long shaft is installed in the locomotive traveling direction, a vortex negative pressure zone of the leeward surface of the insulator can be effectively eliminated through the arrangement, the dirt deposition phenomenon of pollutants in the leeward surface region of the insulator is reduced, and the phenomena of pollution flashover, wet flashover and ice flashover caused by the bus brace and pantograph brace porcelain insulator on the roof of the electric locomotive are avoided.

The invention provides a self-cleaning control method, a self-cleaning control device, an air conditioner and a storage medium. The self-cleaning control method comprises the following steps: acquiring state information of a humidifying state, and detecting whether state information is matched with a preset cleaning condition or not; and if the detected state information is matched with the presetcleaning condition, triggering to start a cleaning part to operate, thereby performing cleaning operation on a water storage tank. The steps of the self-cleaning control method are reasonably set, sothat clean operation can be performed on the water storage tank to clear dirt and impurities inside the water storage box, and therefore, the self-cleaning purpose of the humidifying device is realized, cleanliness of the water storage box is favorably improved, clean and sanitary liquid storage requirements needed when an air conditioner performs a humidifying mode are met, and safety in a usingprocess of the user is favorably improved while the humidifying device is guaranteed to normally operate.

The invention discloses a butterfly valve of a water storage tank. An electromagnetic controller is mounted on a valve body, a butterfly plate with a permanent magnet is mounted in an inner cavity of the valve body; upper valve covers are respectively fixed to the upper end of the valve body, lower valve covers are respectively fixed to the lower end of the valve body, and the permanent magnet is fixed to the middle part of one end surface of the butterfly plate; an upper shaft sleeve and a lower shaft sleeve are coaxial, the upper shaft sleeve is fixed to the upper part of the end surface, on which the permanent magnet is positioned, of the butterfly plate, and the lower shaft sleeve is fixed to the lower part of the end surface, on which the permanent magnet is positioned, of the butterfly plate; the upper shaft sleeve is in matching connection with the upper valve covers through an upper valve rod, and the lower shaft sleeve is in matching connection with the lower valve covers through a lower valve rod; an inlet flow channel and two outlet flow channels are arranged on the other end surface of the butterfly plate; an inlet filter pipe is also connected to the inlet flow channel. According to the butterfly valve disclosed by the invention, the situation of leakage between the valve rods and fillings is avoided, besides, a gaseous cavitation preventing flow channel is processed on the surface of the butterfly plate, and one side of the butterfly plate is a spherical protrusion. The butterfly valve has the effects of shunting decompressing, reducing gaseous cavitation, preventing vibration and reducing noise, and the service life of the butterfly valve is prolonged. On the other hand, the inlet filter pipe has the effects of filtering water flows, and preventing valve cores from being destroyed.

The invention discloses a one-way valve. The one-way valve comprises a valve rod, a valve body, a gate plate, a valve cover, a hand wheel and a check valve core assembly, wherein a water inlet and a water outlet are formed in the valve body, the check valve core assembly is arranged in a cavity body of the water inlet to form a check valve, at least one threading hole is formed in the valve cover, a threading hole is formed in the valve body, and a filter pipe is further connected to the outer end of the water inlet. According to the one-way valve, a gate valve and the check valve are integrated, so that the one-way valve has dual functions of two valves, and an original complex combined structure is simplified; the threading holes are formed in the valve cover and the valve body, and the valve cover and the valve body are stringed by threads, so that water is effectively prevented from being stolen by users; and furthermore, the one-way valve further has a filter function, so that the damage of the valve core is effectively prevented.

The invention relates to a self-cleaning reverse osmosis water purification system, which comprises a pipeline connected from a water inlet to a water outlet, wherein a pre-filter, a booster pump anda reverse osmosis filter are sequentially arranged on the pipeline in the water flow direction, a pressure tank is connected to a pipeline between the reverse osmosis filter and the water outlet, andgas with set pressure is stored in the pressure tank, so that the pressure in the pipeline is changed to form water flow between the pipeline and the pressure tank, and a filter core in the reverse osmosis filter is cleaned by utilizing the water flow. Through the arrangement, reversing water flow is formed between the pressure tank and the pipeline by utilizing the adjustable pressure differencein the pipeline, and the RO membrane filter core of the reverse osmosis filter is cleaned by utilizing the water flow, so that the aim of self-cleaning the RO membrane filter core by the water purification system is fulfilled so as to automatically flush the reverse osmosis filter after the water purification system is shut down, reduce the concentrated water remaining in the reverse osmosis filter and improve the health and the taste of drinking water.

The invention discloses a preparation method of a composite heterojunction photocatalyst and an application thereof, and belongs to the field of resource utilization and environment purification. Thecomposite heterojunction photocatalyst comprises 5-30 parts of high-iron red mud and 5-30 parts of a reducing agent. The preparation method comprises the following steps: uniformly mixing the high-iron red mud and the reducing agent, and molding under the pressure of 0.5-3MPa; calcining the obtained mixture at the temperature of 200 to 400 DEG C; and finally, taking out the mixture, grinding and sieving to obtain the photocatalyst. According to the method, Fe2O3 in the high-iron red mud is partially converted into magnetic Fe3O4 in a biomass pyrolysis mode, so that the catalyst has magnetism and is convenient to recycle; in the calcining process, silicon-aluminum minerals of the high-iron red mud are combined with Fe2O3 and TiO2, so that Fe2O3 and TiO2 generate heterojunctions; the pyrolysis product carbon is combined with catalyst particles, so that the adsorption and conductivity of the catalyst are improved; the degradation efficiency of the catalyst is favorably improved; accordingto the method, the low-molecular pollutants which are not thoroughly degraded can be adsorbed to the surface of the catalyst to be degraded again, secondary pollution is prevented, the whole degradation process is easy to operate, and the self-cleaning purpose is effectively achieved. The adopted raw materials are easily available and economically feasible.

The invention provides a heavy type part spraying device. The heavy type part spraying device comprises a six-axis joint robot and a spraying gun (1), a pressure adjusting device is arranged on the spraying gun (1) and comprises a shell installed on the spraying gun (1), turbine blades (3) installed in the shell and capable of rotating relative to the shell and a motor connected with the turbine blades (3), and a paint channel used for conveying paint is arranged inside the spraying gun (1); the lower portions of the turbine blades (3) are located in the paint channel inside the spraying gun (1); a control system connected with the six-axis joint robot and used for controlling motion of the six-axis joint robot is connected to the motor; and a mixing device is connected to an inlet of the paint channel of the spraying gun (1). By means of the heavy type part spraying device, the rotating speed of the variable frequency motor (2) can be set according to the height of the tail end of the six-axis joint robot at present, the aim of adjusting the pressure of the paint in the spraying gun (1) according to the height is achieved, and the conditions of insufficient spraying and excessive spraying are avoided.

The invention provides an automatic pipeline inner wall sludge clearing device for hydraulic engineering, and relates to the technical field of water conservancy pipeline maintenance, and aims to solve the problems that an existing pipeline sludge clearing device is short in service life and easy to damage due to the fact that the existing pipeline sludge clearing device device is arranged in a tube in a using process, needs periodic maintenance and replacement, is difficult in maintenance, is difficult to clean according to water flow, and is limited by manual and electric factors. The automatic pipeline inner wall sludge clearing device comprises a water conservancy pipeline, wherein an annular water inlet baffle ring is arranged in a fixed inner cavity at the right end of the inner tubeof the water conservancy pipeline; and two cross-shaped fixed frames are mounted in the inner tube of the water conservancy pipeline on the left side of the water inlet baffle ring at intervals. At least 28 frequency moving blocks are uniformly and fixedly mounted on the left side of the annular wall of the water inlet baffle ring at intervals, sludge is prevented from being accumulated in the tube, the water conservancy pipeline at one end where the frequency moving blocks are located is a water outlet end, and the other end is a water inlet end, so that a frequency moving mechanism can be driven by water flow to rotate, and thus, the self-cleaning purpose is achieved, and energy is saved.

The invention discloses a full-automatic washing device. The full-automatic washing device comprises a sealed shell, a power supply, a single-chip microcomputer and a washing mechanism. The bottom of the shell is provided with a travelling mechanism. The power supply and the single-chip microcomputer are both arranged in the shell. The input end of the washing mechanism is arranged in the shell and connected with the power supply and the single-chip microcomputer correspondingly. The washing end of the washing mechanism extends out of the shell. The power supply supplies electric energy to the washing mechanism. The single-chip microcomputer controls actions of the washing mechanism. The washing mechanism comprises a washing motor and a bottom cleaning tray, the washing motor is arranged in the shell, and the input end of the washing motor is connected with the power supply and the single-chip microcomputer correspondingly; an output shaft of the washing motor extends out of the bottom of the shell and is connected with the bottom cleaning tray. The full-automatic washing device has the beneficial effects that the washing device is controlled through the single-chip microcomputer to realize the washing and travelling process and achieve the washing purpose; compared with an existing washing device, the full-automatic washing device is high in washing efficiency, higher in automation degree and more applicable to long-distance equipment such as water tanks and pipelines which workers cannot participate in washing conveniently.

The invention discloses a traditional Chinese medicine for treating non-liquefaction of sperm. The traditional Chinese medicine comprises the following traditional Chinese medicine raw materials: 8-10 g of rhubarb stir-fried with wine, 8-10g of salted rhizoma anemarrhenae, 14-16 g of spina gleditsiae, 5-7 g of leech, 11-13 g of snakegourd fruit, 14-16 g of pollen, 14-16 g of patrinia and 5-7 g ofradix glycyrrhizae preparata. A preparation method comprises steps of: immersing the traditional Chinese medicine raw materials for 1-2 h; after boiling, decocting for 30-50 min with slow fire; filtering; adding water and decocting for a second time for 30-50 min with slow fire; removing slag in a filtrate. Two filtrates are of 500-600 ml and taken at morning and evening. Medicine in the traditional Chinese medicine of the invention are selected according to pathological mechanism of non-liquefaction of sperm, so as to nourish Yin, reduce fire, clarify sperm, eliminate stasis and realize automatic liquefaction of sperm. The traditional Chinese medicine of the invention has no toxic or side effect on patients, can complete liquefy sperm, and is easily prepared, stable and with reliable cure effect.

The invention discloses a preparation method of a modified cadmium telluride thin film solar cell, which comprises the following steps: (1) preparing a solar electrode slice; (2) covering the upper surface of the solar electrode slice prepared in step (1) with a back contact layer transition layer, and bonding a backplane to the back contact layer transition layer to get a prefabricated component,wherein the backplane is 2.5D toughened glass; and (3) laminating the prefabricated component at high pressure under vacuum, and removing a vacuum bag, thus obtaining a modified cadmium telluride thin film solar cell. The invention provides a preparation method of a modified cadmium telluride thin film solar cell. The cadmium telluride thin film solar cell prepared by the invention has the characteristics of good self-sealing effect, rounded corners, good overall visual effect, wide application range, low use cost, and the like.

The invention provides a glass curtain wall with a self-cleaning function and relates to the field of super hydrophilic glass. Glass of the glass curtain wall is of a hollow structure. The glass curtain wall comprises outer-layer glass, inner-layer glass, a coating layer 1 of the outer-layer glass, a coating layer 2 of the outer-layer glass and a sealing opening between the inner-layer glass and the outer-layer glass. The coating layer 1 is located between the outer-layer glass and the coating layer 2 and is a silver halides coating. The coating layer 2 is a super hydrophilic coating layer with a self-cleaning function. The super hydrophilic coating layer is titanium dioxide-silicon dioxide composite sol. The self-cleaning glass curtain wall provided by the invention is made of super hydrophilic glass, and pollutants can be oxidized and degraded so as to be taken away by rainwater.

The invention discloses a wedge gate valve. The wedge gate valve comprises a valve body, a valve base, a wedge gate plate, a valve cover and a valve rod. The stuffing box part of the valve cover is welded to the valve cover through a lining, and an upper sealing base is connected to the lining through threads. The wedge gate valve is reasonable in structure, and the upper sealing base is convenient to replace and good in sealing performance; furthermore, the wedge gate valve has the filtering function, and a valve element is not damaged easily.

The invention discloses a diversion valve which comprises a valve body (3); the valve body (3) is provided with a three-way inner cavity comprising an upper inner cavity, a left inner cavity and a right inner cavity; a turnover plate (1) positioned between the left inner cavity and the right inner cavity and positioned under the upper inner cavity is arranged in the inner cavity, the lower end of the turnover plate (1) is hinged to the bottom wall of the valve body (3) through a turnover plate shaft (2), and a ferrule I (4) and a ferrule II (5) are respectively arranged on the two sides of the upper end of the turnover plate (1); a hole I (7) and a hole II (8) for allowing a glass rope to thread through are respectively formed in the two sides of the valve body (3); the ferrule I (4) is connected with the glass rope in the hole I (7); the ferrule II (5) is connected with the glass rope in the hole II (8); the upper inner cavity is connected with an inlet; the inlet is connected with a filtering pipe and a connecting port of which the internal diameter is larger than the external diameter of the filtering pipe. The diversion valve disclosed by the invention is simple in structure, convenient to operate and low in cost and has a filtering function, and the valve body is not easy to damage.