38results about How to "Reduce the frequency of filter replacement" patented technology

The invention discloses pipeline pressure test and pulse cleaning integrated equipment which comprises a hydraulic oil filter system, a pipeline cleaning and blow-drying system, a pipeline high-pressure test system, an automatic door system, and a PLC monitoring and operating system; the pipeline pressure test and pulse cleaning integrated equipment provided by the invention has the functions of cleaning, pressure testing, load imitation testing, and one machine can integrate more functions. As the name suggests, the pipeline pressure test and pulse cleaning integrated equipment is a combined machine of a pipeline cleaning machine and a press testing device, and one machine achieves the functions of two machines. The combined machine ensures that equipment purchasing and using costs can be saved.

The invention relates to the technical field of gas preparation, in particular to a pressure swing adsorption nitrogen generation system and a nitrogen generation method thereof. The pressure swing adsorption nitrogen generation system comprises an air compressor, a compressed air filtering assembly, a buffer gas storage tank, an adsorption tower set, a nitrogen tank, a connecting pipeline and a valve set. The system is characterized in that the air compressor, the compressed air filtering assembly, the buffer gas storage tank, the adsorption tower set and the nitrogen tank sequentially communicate with one another through the connecting pipeline, the valve set is arranged on the connecting pipeline, and an inlet air filtering device is arranged at the input end of the air compressor and used for filtering inlet air of the air compressor. According to the pressure swing adsorption nitrogen generation system and nitrogen generation method thereof, primary filtering and impurity removal can be conducted on inlet air of the air compressor during nitrogen preparation, the frequency of replacing a filter element of filter equipment in the later period is reduced, the production cost is reduced, the impurity removal pressure of the filter equipment in the later period is reduced, and the filtering effect of the filter equipment in the later period is guaranteed.

The invention relates to the technical field of gas preparation, in particular to a pressure swing adsorption nitrogen production system and a nitrogen production method thereof, including an air compressor, a compressed air filter assembly, a buffer gas storage tank, an adsorption tower group, a nitrogen tank, connecting pipelines and The valve group is characterized in that: the air compressor, the compressed air filter assembly, the buffer gas storage tank, the adsorption tower group, and the nitrogen tank are sequentially connected through the connecting pipeline, the valve group is arranged on the connecting pipeline, and the air compressor The input end of the machine is provided with an air intake filter device, which is used for the air intake filter of the air compressor, which provides a filter and impurity removal for the initial effect of the air intake of the air compressor during the preparation of nitrogen, reducing the need for later The frequency of replacing the filter element of the filter equipment reduces the production cost, reduces the impurity removal pressure of the later filter equipment, and ensures the filtration effect of the later filter equipment. The pressure swing adsorption nitrogen production system and its nitrogen production method.

The invention provides an oil filtration system and an air conditioning unit. The oil filtration system comprises an oil tank, an output pipeline, an electric control magnetic filter and a lubricating oil way, wherein the oil tank is used for containing oil, the output pipeline is connected with the oil tank, used for guiding the oil in the oil tank out and provided with a first output joint; the electric control magnetic filter is connected with the first output joint; the lubricating oil way is connected to the output end of the electric control magnetic filter. According to the oil filtration system, the electric control magnetic filter is arranged on the oil way, and in the power-on state, the electric control magnetic filter has magnetism and can adsorb impurities such as iron chips in lubricating oil; in the power-off state, the electric control magnetic filter losses magnetism, the iron chips adsorbed to the electric control magnetic filter fall off, in other words, the electric control magnetic filter can be reused, and therefore the frequency of filter element replacement is reduced.

The invention discloses a reverse osmosis water purifier which comprises a ceramic filter, a granular activated carbon filter, a reverse osmosis membrane filter and a post-activated carbon filter sequentially connected through a pipeline, wherein the ceramic filter is provided with a water inlet connector, a water outlet connector and a wastewater outlet connector; the water inlet connector is connected with a tap water pipe; the water outlet connector is connected with a water inlet end of the granular activated carbon filter; the wastewater outlet connector is connected with an electromagnetic valve; the reverse osmosis water filter is provided with a water inlet a, a water outlet a and a wastewater outlet; the water inlet a is connected with a water outlet end of the granular activated carbon filter; the water outlet a is connected with the water inlet end of the post-activated carbon filter; the wastewater outlet is connected with a wastewater regulating and discharging tool; the water outlet a is further connected with a pressure barrel; the water outlet end of the post-activated carbon filter is connected with a drinking water faucet. The reverse osmosis water purifier provided by the invention replaces PP cotton with a self-cleaning ceramic filter to remove granular impurities, thereby reducing the frequency of replacing a filter element and helping to prolong the service life of the filter element.

The invention provides an oil filtering system and an air conditioning unit. The oil filtration system includes: an oil tank, used to accommodate oil; an output pipeline, connected to the oil tank, used to export the oil in the oil tank, and has a first output node on the output pipeline; an electronically controlled magnetic filter, connected to the first output node Connection; the lubricating oil circuit is connected to the output end of the electronically controlled magnetic filter. According to the oil filtration system of the present invention, by setting an electronically controlled magnetic filter on the oil circuit, the electronically controlled magnetic filter has magnetism and can absorb impurities such as iron filings in the lubricating oil when the power is turned on; The magnetic filter loses its magnetism, and the iron filings adsorbed on the electronically controlled magnetic filter will fall off, that is, the electronically controlled magnetic filter can be recycled many times, thereby reducing the number of times to replace the filter element.

The invention provides a household water purifier based on geologic materials, which comprises at least a water inlet, a water outlet, a water switch and a housing, wherein a six-stage water quality purification and mineralization module, a geologic mineral material filter element automatic regeneration module and a filter element use condition monitoring module are arranged in the water purifier, and the six-stage water quality purification and mineralization module consists of six-stage water quality purification filter elements which are sequentially arrayed; the geologic mineral material filter element automatic regeneration module consists of an automatic modification back wash unit and an ultraviolet disinfection unit; and the filter element use condition monitoring module comprises a monitoring part, a circuit control part and a display screen. By using the water purifier, heavy metals and nitrogen and phosphorus pollutants contained in water on the premise that the structure of natural water is not damaged, and microscale mineral elements beneficial to the human body are released, and finally activated small molecular water and healthy water containing beneficial mineral elements are obtained.

The invention belongs to the field of non-woven material preparation, and relates to a high-efficiency filter element of water purification equipment and a preparation method thereof. The invention uses solid powder modified particles to modify the melt-blown fiber web twice, and the first modification applies The solid powder modified particles are mainly distributed on the surface of the melt-blown fiber web, and the solid powder modified particles applied for the second modification are mainly distributed in the middle of the melt-blown fiber web. Both the surface and the inner core of the blown fiber web have a suitable content of solid modified particles. In the first modification process, the surface of the melt blown fiber web still retains a certain degree of adhesion and adhesion, and then with the help of a strong solid The fluidized bed spraying device with powder spraying ability can improve the adhesion firmness of solid powder modified particles and fibers, and the solid powder modified particles are not easy to fall off, reducing the frequency of replacing filter elements and reducing the cost of water purification equipment.

The invention discloses a conveniently connected double-layer filter screen, which comprises an upper frame, a filter screen and a lower frame, the filter screen is arranged between the upper frame and the lower frame, and the lower frame includes a disc and a The first annular sleeve and the second annular sleeve at both ends of the disc, the inner wall of the first annular sleeve is provided with connecting threads, the surface of the disc is provided with several circular holes, and the circular holes are respectively provided with a first layer of filter screen, The end surface of the second annular sleeve is provided with an annular groove, the end surface of the upper frame is provided with an annular convex line corresponding to the annular groove, and the outer wall of the other end is provided with a connecting thread. Through the above method, the conveniently connected double-layer filter screen of the present invention is convenient to replace the filter screen and to disassemble the filter screen and the external connecting pipe. The number of filter screens improves the service life of the equipment.

The invention provides a separation chip. The separation chip comprises a sample pool, a first chamber, a second chamber and power supplies. The sample pool comprises first filter membranes and secondfilter membranes, and the first filter membranes are opposite to the second filter membranes. The first chamber is connected to the sample pool through the first filter membranes, the first chamber comprises a first outer wall, the first outer wall is arranged on one side, far away from the second filter membranes, of the first filter membranes, and the first chamber is connected to the outside.The second chamber is connected to the sample pool through the second filter membranes, the second chamber comprises a second outer wall, the second outer wall is arranged on one side, away from the first filter membranes, of the second filter membranes, and the second chamber is connected to the outside. The power supplies are used for providing an electric field applied between the first outer wall and the second outer wall. The separation chip provided by the invention can realize continuous separation, the separation efficiency is improved, and the cost is reduced. The invention also provides a separation device and a separation method for separating target particles in a to-be-detected sample.

The invention discloses a tunnel kiln blast furnace slag waste heat power generation device, which comprises a base, support plates are arranged on both sides of the top of the base, a shell is fixed between the top ends of the support plates, and the top end of the outer side of the shell is A feeding channel is provided, and a placement plate is arranged through a hinge under one end of the feeding channel inside the housing, and a number of through holes are uniformly opened on the upper surface of the placing board, and the inner bottom of the housing is passed through a bearing A hydraulic cylinder is movable, and the end of the telescopic rod of the hydraulic cylinder is movably connected with the placement plate through a bearing, and a plurality of first water delivery pipes are uniformly arranged on the inner top of the housing above the placement plate. The invention can generate steam by pouring the blast furnace slag containing high-temperature waste heat with cooling water, and can generate electricity by utilizing the steam, thereby making full use of the waste heat on the blast furnace slag, realizing the utilization of waste resources, and avoiding the waste of resources. Make the blast furnace slag play its greatest value.

The invention relates to a water conservancy conveying device with cleaning function for drip irrigation, which comprises a main body, a water inlet pipe, a water outlet pipe and two flanges, the water inlet pipe is arranged on one side of the main body, and the water outlet pipe is arranged on the side of the main body On the other side, the water inlet pipe communicates with the water outlet pipe through the main body, the main body is provided with a driving device, and the two flanges are respectively installed on the end of the water outlet pipe away from the main body and the end of the water inlet pipe far away from the main body. There are filter mechanism and cleaning mechanism in the water pipe, the filter mechanism includes a moving ring, a filter screen, a detection assembly and two connection assemblies, and the connection assembly includes a slider, a slide bar, a fixed block and a spring, which is used for drip irrigation The water conservancy conveying device with cleaning function realizes the function of detecting the circulation through the filter mechanism, not only that, but also realizes the effect of cleaning the filter screen through the cleaning mechanism, reducing the frequency of replacing the filter screen.

The invention relates to a breeding sewage treatment technology. The breeding sewage treatment technology comprises the following steps that 1, sewage drained from a breeding farm is collected through a hoisting shaft; 2, filtering is conducted; 3, anaerobic fermentation is conducted; 4, an ammoxidation reaction is conducted for 1 day to 2 days to decrease the ammonium nitrogen concentration in the sewage; 5, an aerobic reaction is conducted for 1 day to 2 days at the temperature of 15 DEG C to 25 DEG C, and COD and ammonium nitrogen in the sewage are degraded through aerobic bacteria to decrease the COD concentration and the ammonium nitrogen concentration; 6, the sewage subjected to the aerobic reaction is delivered into a biodegradation planting greenhouse to degrade COD and ammonium nitrogen in the sewage and purify water; 7, the purified water is used for farm irrigation. According to the technology, the concentration of suspended solids, ammonium nitrogen and organic pollutants in the sewage can be effectively decreased to the standard level, the whole treatment process achieves full biodegradation, no secondary pollution is generated, the removal effect of the suspended solids is good in the filtering link, the subsequent sewage treatment difficulty is reduced, the treatment cost is low, filtered sludge is naturally dried, dewatering does not need to be conducted through sludge dewatering equipment, and the treatment cost is low.