43results about How to "Implement loop filtering" patented technology

The invention discloses a circulating sand screening device for a construction site, which comprises a vibrating motor, a screen, a hydraulic cylinder and a circulating conveying device. The vibration of the vibrating motor is used to speed up the screening of the sand by the screen, and at the same time, the sand screening of the sand screen is avoided. The holes cause blockage and affect the normal use of the screen. The screen is set horizontally to fully screen the sand, and the hydraulic cylinder is used to drive the hydraulic rod to extend and then push the frame to rotate along the side hinged with the box, thus realizing the screen. The inclined setting of the screen makes the sand that does not pass through the screen fall into the collection tank under the action of gravity, which realizes the automatic cleaning of the sand that does not pass through the screen, improves the practicability of the equipment, and falls from the screen into the collection tank The sand inside further slides into the cylinder body along the slanting plate, thereby realizing the circular screening of the sand and improving the effect of sand screening.

The invention discloses a transformer oil degradation test system. The transformer oil degradation test system comprises a test oil tank, an oil conservator, an oil filter, an oil pump, a vacuum machine, a respirator, a heater, a temperature sensor, a temperature control unit, a test electrode, a gas dissolving device, a gas cylinder and an oil dissolved gas component detection device connected with the test oil tank, wherein the oil conservator is connected with the top of the test oil tank through a pipeline; the vacuum machine and the respirator are connected with the top of the oil conservator through pipelines; the oil pump is connected to the bottom of the test oil tank through a pipeline; the oil filter is connected to the bottom of the oil conservator through a pipeline; the heateris mounted inside the test oil tank; the temperature sensor is mounted on the surface of the heater; the gas cylinder is connected to the gas dissolving device through a pipeline; the gas dissolvingdevice is connected with the test oil tank through a pipeline. The transformer oil degradation test system provided by the invention can effectively test the aging decomposition characteristics of insulating oil and the effectiveness of detection of degradation decomposition products of transformer oil. The invention further provides a transformer oil degradation test method.

The invention discloses a working method of an intelligent high-efficient dust removal device. The intelligent high-efficient dust removal device comprises a shell and a control apparatus, wherein an air inlet is provided with an air collection chamber, a rotating mechanism and a first filter mechanism are arranged inside the shell, an inner rotating mechanism and an outer rotating mechanism are arranged in the rotating mechanism, the inner rotating mechanism and the outer rotating mechanism are arranged in opposite directions, the first filter mechanism is arranged at an outlet of the inner rotating mechanism, a gas detection mechanism is arranged in the gas collection chamber, and the rotating mechanism, the first filter mechanism and the gas detection mechanism are respectively connected with the control apparatus. The air inlet is provided with the gas collection chamber, the content and concentration of impurities in gas are detected by virtue of the gas detection mechanism, and the dust removal time and times are determined according to a detection result; and the inner rotating mechanism and the outer rotating mechanism are arranged inside the shell, so that an outer eddy current and an inner eddy current can be formed, the dual separation can be realized by utilizing natural gravity, and the further filtering is carried out by virtue of the filter mechanism.

The invention relates to a water purifier or water purifying plant with a circulating filtration function of filter elements; the water purifier or water purifying plant comprises a raw water inlet (1), an electromagnetic valve or an intelligent valve A (2), a zero-stage or one-stage or above than one-stage preposed filter element (3), a one-stage or above than one-stage filter element (4), a pump, an RO (Reverse Osmosis) membrane or a nanofiltration membrane or an ultrafiltration membrane or a microfiltration filter element, a concentrated water pipeline, a connecting pipeline 6B, a tee joint 6B1, zero or one or more than one pressure water storage barrels, zero or one or more than one postposed filter elements with air pressure or without air pressure or pressure water storage cavities or barrels or connecting pipes, a purified water outlet or a next-stage filter element interface, an electromagnetic valve or an intelligent valve and the like; the raw water inlet is communicated with the electromagnetic valve or the intelligent valve A, a connecting pipeline 2A, the zero-stage or one-stage or higher than one-stage preposed filter element, a connecting pipeline 2B, the one-stage or above than one-stage filter element, a connecting pipeline 2C, a tee joint 5A, the pump, and the RO membrane or the nanofiltration membrane or the ultrafiltration membrane or the microfiltration filter element; and the tee joint 5A is communicated with the pump, the RO membrane or the nanofiltration membrane or the ultrafiltration membrane or the microfiltration filter element, a connecting pipeline 2E, the zero or one or more than one postposed filter elements with air pressure or without air pressure or the pressure water storage cavities or the barrels or the connecting pipes, a connecting pipeline 2D and the tee joint 5A in a circulation manner.

The invention discloses a high-power contra-rotating full-revolving propeller fuel injection lubrication cooling system. The system comprises a contra-rotating full-revolving propeller body mechanism,a frequency conversion motor, a lubricant pump, a temperature sensor, an air exhausting valve, a pump opening one-way valve, a pump opening pressure gauge, a safety valve, a double-cylinder pipelinefilter, a water-cooled cooler, an overflow valve, an overflow pressure gauge, a pressure relay, an oil circuit block, a pneumatic control unit, a first air filter, a liquid level relay and a second air filter, and the contra-rotating full-revolving propeller body mechanism comprises an upper gear box body, a lower gear box body and an oil box body, wherein, the lower gear box body is the sealed cavity body. The high-power contra-rotating full-revolving propeller fuel injection lubrication cooling system totally adopts fuel injection lubrication, fixed-point quantitative lubrication cooling canbe achieved, oil impact and box vibration are completely avoided, the power loss is effectively reduced, and the cycle filtration and cooling use of lubrication cooling oil can be achieved.

The invention relates to an air water generator high in water purification efficiency. The air water generator comprises a water purification mechanism. The water purification mechanism comprises a PP cotton filtering mechanism and a purification assembly which are sequentially arranged. A water storage mechanism, the PP cotton filtering mechanism and the purification assembly are sequentially arranged. In the air water generator high in water purification efficiency, through multiple filtering of the PP cotton filtering mechanism and the purification assembly, high efficiency in water purification is guaranteed; through cross flow of a deflector in a filter cartridge, the efficiency in water purification is improved, the water quality is detected through a water quality detection mechanism, water circulating filtration is performed by matching of a three-way valve, and the reliability in water purification is improved. Moreover, in a water quality monitoring circuit, a conventional component is adopted to replace an expensive integrated circuit, the cost of the air water generator is reduced, and the market competiveness of the air water generator is improved; multilayer air filtration is performed, and the air purification quality is improved; three forms are adopted for water discharge, the practicality is improved, and the air water generator has high time-to-market values.

The invention provides a frog breeding method. The invention solves the technical problem of low survival rate and the like in an existing frog breeding process. The frog breeding method is characterized by comprising the following steps: S1, selection of a site and construction of a frog pond: selecting a place which is sufficient in water source, convenient to drain and irrigate, good in water quality, quiet in environment, warm in winter and cool in summer, free of drought and waterlogging and convenient to manage as a breeding farm, constructing a large pond per mu, and dividing each largepond into three small ponds on average, wherein the three small ponds are a tadpole pond, a young frog pond and an adult frog pond respectively; S2, disinfection: throwing 6 kg of quicklime per mu atfirst, and 3-4 days later, carrying out disinfection and epidemic prevention by using potassium permanganate and a traditional Chinese medicine according to the proportion of 1: 10, wherein the traditional Chinese medicine comprises the following components by main content: coptis chinensis 1.25%-2.5%, liquorice 2.5%-7.5%, radix bupleuri 3.75%-6%, pericarpium citri reticulatae 5%-10%, and the balance of euphorbia humifusa. The frog breeding method has the advantage of high survival rate in a frog breeding process.

The invention discloses circulating filtration treatment equipment for water. The filtration treatment equipment comprises a water storage tank, a large-particle filter, a multi-media filter, an alum flocculation tank, an EPS foam bead filter, an activated carbon filter and a circulating flow splitting pump which are sequentially connected through pipelines; if the quality of water treated by the activated carbon filter meets the purified water quality specification, the circulating flow splitting pump is controlled to send the standard water into the purified water tank for storage; if the quality of water treated by the activated carbon filter does not meet the purified water quality specification, the circulating flow splitting pump is controlled to send the nonstandard water into the water storage tank for circulating filtration treatment again. Through the adoption of the filtration treatment equipment, industrial sewage can be effectively purified, circulating filtration of the industrial sewage is realized, the repeated utilization ratio of industrial water is improved, the sewage treatment capacity is relieved, the discharge capacity of the industrial sewage is reduced, water body pollution is reduced, and then considerable economic benefits are achieved.

The invention discloses a working method of intelligent high-cleanliness dust collection equipment. The equipment comprises a shell and a control device, wherein a group of air inlets and an air outlet are formed in the shell; an inner cavity and an outer cavity are formed in the shell; the air inlet is provided with a pumping chamber; the inner cavity is arranged inside the outer cavity; a rotating mechanism is arranged in the outer cavity; a first filter mechanism is arranged at an outlet of the inner cavity; an air detection mechanism is arranged in the pumping chamber; the rotating mechanism, the first filter mechanism and the air detection mechanism are connected with the control device. According to the working method, the air inlet is provided with the pumping chamber, the air detection mechanism is used for detecting the content and density of impurities in air, and time and frequency of dust collection are determined according to the detection result; and the rotation mechanism arranged in the shell enables air to form a downward airstream so as to realize double separation by utilizing natural gravity, and the air is deeply filtered by virtue of the filter mechanism, so that the filter effect is greatly improved.

The invention relates to the field of medical decontamination equipment, in particular to a decontamination device. It includes a shell, the cavity in the shell forms a decontamination space, and several undulating devices are arranged on the inner wall of the shell, the outer ends of each undulating device protrude from the shell and are connected with a driving device, each The connection between the wave device and the housing is sealed and connected by a sealing member. A drain pipe connecting the inside and outside of the housing is provided at the bottom of the housing, and a first electromagnetic valve is provided on the drain pipe; The decontamination basket assembly of the decontamination appliance; a top cover is movably buckled on the top of the casing. During the decontamination process, the invention can drive the liquid to continuously flush the decontaminated utensils through the wave device, effectively preventing residual biological tissues and secretions on the surface of the decontaminated utensils, and the decontamination is more thorough, which can effectively meet people's needs.

The invention provides a washing device for a hydraulic system of a tractor, and belongs to the technical field of agricultural mechanical equipment. The washing device for the hydraulic system of thetractor is mainly used for washing the hydraulic system and a hydraulic element of the tractor. The device comprises a washing system 1, a washing system 2 and a control system, wherein the system 1is a hydraulic element washing system and comprises a washing oil tank, a heating system, a motor pump set, a proportional overflowing valve, a flow rate control valve, a quick switching joint set, apressure gauge, a combined filtering device, a cooler and an online pollution detecting device; the washing system 2 is a tractor hydraulic system loop washing system and comprises a motor pump set, aproportional overflowing vale and a flow rate control valve; and the control system comprises a controller, a washing state displaying device, a cooling control device, a heating control device, a pollution degree detecting device, a proportional pressure regulating system and a temperature, pressure and flow rate sensor and is used for controlling the cooler, the heater, the washing time, the washing pressure and the temperature, pressure and flow rate displaying of the washing systems.

The invention relates to the technical field of food processing, in particular to a dairy product processing device with an automatic purifying and homogenizing integrated function, the dairy product processing device with the automatic purifying and homogenizing integrated function comprises a base, a homogenizing bin is fixedly mounted on the upper surface of the base, and a filtering bin is fixedly mounted at the top of the homogenizing bin; a filtering assembly is installed in the filtering bin, a main stirring assembly is installed in the homogenizing bin, a driving assembly is installed on the outer side wall of the homogenizing bin, the driving assembly is used for driving the main stirring assembly and an auxiliary stirring assembly to operate synchronously, dairy product raw materials are stirred and homogenized, and the dairy product raw materials are mixed more evenly; the milk product raw materials are conveyed to the spray head through the booster pump and sprayed on the filter screen, so that circulating filtration of the milk product raw materials is realized, the purification effect is greatly improved, and the spray head is driven to do transverse reciprocating motion while the driving assembly runs, so that the filtering efficiency is improved.

The invention provides a method for breeding rana spinosa. The technical problem of low yield and the like of existing rana spinosa is solved. The method for breeding rana spinosa is characterized bycomprising the following steps: S1, site selection: selecting a breeding site at a position under the foot of a mountain area or at the source of a stream, wherein in the place, the vegetation is rich, the water flow is pollution-free, and the content of mineral substances does not exceed the standard; S2, construction of a tadpole pool: constructing a pool according to the specifications of 1 meter in height, 1.5 meters in width and 2 meters in length, wherein the pool is provided with a water inlet and a water outlet and does not need to be covered; S3, construction of an adult frog pool: digging a pool in the mountain area or a field with the specifications of 2 meters in depth, 3.2 meters in width and 80-100 meters in length in a circuitous manner in a shape of 'M' or 'Z', wherein theperiphery of the dug pool is built into an inner wall by cement bricks, a water tank with a width of 0.8-1 m and a depth of 0.1-0.15 m is built on one side of the bottom of the tank, a slope with a width of 2.4 m is reserved on the other side, the water tank and the bottom of the tank are coated with cement, and the whole tank is separated by plastic nets or wire nets at a distance of 5-10 m to form relatively closed small tanks. The method has the advantage of high yield of the rana spinosa.

The invention discloses a circulating filtration type automatic water adding device for duckling feeding, which comprises a large-capacity water storage tank, an impurity filtering mechanism, an electric telescopic rod and a driving motor, a dustproof water feeding tank is arranged on the right side of the bottom of the large-capacity water storage tank, a fixed pedal is arranged at the right end of a connecting rod, a second fixing block is mounted at the left end of a mounting rod, a medicine shifting plate is connected to the rear portion of the first fixing block, the impurity filtering mechanism is connected to the inner side of the top end of the large-capacity water storage tank through bolts, and a rectangular groove-shaped structure is formed in the bottom end of a water blocking and separating plate. According to the circulating filtration type automatic water adding device for duckling feeding, when ducklings stand on the fixed pedal and the connecting rod rotates under the action of gravity, under the action of a pushing rod, the mounting rod and a dustproof sealing plate can be pushed to rotate anticlockwise, the dustproof water feeding tank is opened, the ducklings can drink water conveniently, and when the ducklings leave, the dustproof water feeding tank is sealed through the dustproof sealing plate, so that drinking water is conveniently protected and prevented from being polluted by impurities.

The invention discloses a water supply system for pig feeding, and belongs to the technical field of livestock breeding. The water supply system includes a water tank; a water sink is arranged below the water tank; the lower surface of the water sink is fixedly connected to the upper surface of a base plate; the same extraction assembly is in clamping connection with the lower surface of the watertank and the upper surface on the inner wall of the water sink; the water outlet end of the extraction assembly communicates with a spraying pipe; the two ends of the spraying pipe pass through partition plates and are in clamping connection with the left and right side surfaces of the water tank; and the spraying pipe is located above the water sink. Through the arrangement of a submersible pump, filter plates, filter elements, the spraying pipe, an extraction pipe and the water sink, water can be filtered and purified again by the filter elements, so that the treated water can be sprayed into the water sink from the spraying pipe so as to realize the circulating filtration of the water in the water sink; and through the continuous flowing of the water, impurities can be adhered on the filter plates due to the attractive force generated by suction, so that the water cannot easily ferment with residues to generate pathogenic bacteria, therefore, harm to pigs can be avoided, and the normal growth of the pigs can be achieved.