7results about How to "Improve backwash efficiency" patented technology

The utility model discloses a filter device of circulating backwash, including filter casing, install a set of bearing seat in the inner chamber of filter casing upper end, bearing seat is sealed with a set of filter core rotation connection, and the rotation action can be realized to filter core through drive assembly, and cooperate transmission assembly and drive cleaning brush rotation, the utility model centrifugal force throws out high -speed water flow, and the impact force of impurity is greatly promoted, and the mechanical cleaning of cooperation cleaning brush, under double effect, can more efficiently remove strong viscosity, firmly attached contaminant and deep pore small impurity, and backwash efficiency improves obviously, and high -efficient backwash reduces backwash frequency and time, and water flow energy consumption is reduced, simultaneously, the filter core is because clean thoroughly, and the service life is extended, and the frequency of replacement is reduced, and the overall operation cost is reduced.

The utility model discloses a water filter which comprises a water inlet header pipe, a water outlet header pipe and a plurality of tank bodies, water inlet branch pipes are connected to the upper ends of the tank bodies, the upper ends of the water inlet branch pipes are connected with the water inlet header pipe, water inlet electromagnetic valves are arranged on the water inlet branch pipes, water outlet branch pipes are connected to the upper portion of the water outlet header pipe, and the upper ends of the water outlet branch pipes extend into the tank bodies and are connected with filters. The side face of the tank body is connected with a drainage pipe which is provided with a drainage electromagnetic valve. According to the utility model, water can be effectively filtered.

The utility model discloses a transverse lamination backwashing pre-filter, which relates to the technical field of water purification equipment and comprises a filter bottle, a shunting cover, a lamination filter component and a switching component, a water inlet, a water outlet and a drain outlet are respectively formed in two ends of the filter bottle; the shunting cover is mounted at the end part of the filter bottle and is provided with a water flow shunting hole communicated with the water inlet; the lamination filter assembly is arranged in the filter bottle in a penetrating manner and comprises a lamination unit and a backwashing structure which is positioned on the inner side of the lamination unit and is used for backwashing the lamination unit, a raw water cavity is formed between the lamination filter assembly and the filter bottle, a water purification cavity is formed in the lamination filter assembly and is communicated with the raw water cavity, and the water inlet can be communicated with the raw water cavity or the water purification cavity; the raw water cavity is communicated with the drain outlet, and the purified water cavity is communicated with the water outlet; the switching assembly is movably arranged in the lamination filtering assembly in a penetrating manner, and the switching assembly moves in the axial direction of the filtering bottle, so that the state of the filter is changed. Through the arrangement, the filter can be conveniently, quickly and efficiently backwashed.

The utility model discloses a kind of efficient backwash walnut shell filters, including filter, the filter is provided with oil drain pipe, first pipeline and second pipeline, the oil drain pipe is welded in filter top side, the first pipeline is welded on filter outside top, first pipeline outer end is welded with first docking tee, the left end of first docking tee is connected with water inlet electric valve by flange, the right end of first docking tee is connected with backwash outlet electric valve by flange, the second pipeline is connected in filter bottom opening by flange, emptying and second docking tee are provided on second pipeline, the emptying is welded in second pipeline middle section, the second docking tee is welded in second pipeline outer end, the left end of second docking tee is connected with backwash inlet electric valve by flange, the right end of second docking tee is connected with water outlet electric valve by flange. The utility model is high in backwash efficiency, backwash is more thorough, reduce operating cost, improve equipment processing capacity.

The utility model discloses quartz sand filtering equipment which adopts a filtering mode that a water inlet pipe is matched with an inner pipe, and water enters a lower layer from an upper layer of quartz sand through the water inlet pipe and the inner pipe in a filtering process, so that water flow can be in full contact with the quartz sand, and the contact time of the water and the quartz sand is effectively prolonged; the adsorption and decomposition efficiency of the quartz sand on suspended dirt in water is greatly improved, so that the overall filtering effect is improved, and the purified water quality is ensured to reach a higher standard. In the aspect of a backwashing function, through reasonable arrangement of a branch pipe, a water inlet pipe, a drain outlet and corresponding valves, a first valve, a second valve and a third valve are opened during backwashing, and water enters an inner cavity of the filter cylinder body through the water inlet pipe and the branch pipe to comprehensively wash quartz sand, so that dirt intercepted in the quartz sand can be thoroughly washed away; therefore, not only is the backwashing efficiency improved, but also the quartz sand can be effectively protected, the service life of the quartz sand is prolonged, and the operation cost of equipment is reduced.

The application discloses a method of backwashing filter device based on electromagnetic control, which comprises a filter tank shell, a composite filter layer arranged in the filter tank shell, and an electromagnetic system, wherein the composite filter layer comprises magnetic filter material and non-magnetic filter material; the electromagnetic system comprises an electromagnet generator and a magnetic field generating unit arranged around the filter tank shell; the magnetic field generating unit comprises a plurality of electromagnet cores and coils wound around the electromagnet cores; the electromagnet generator is electrically connected with the coils through wires and provides direct current or alternating current to the coils. In the backwashing stage, the alternating action of the direct current and alternating current magnetic field guides the spatial reconstruction or micro-vibration of the magnetic filter material, thereby enhancing the filter layer flushing effect and improving the backwashing efficiency. The device realizes low energy consumption, low water consumption and high efficiency backwashing, and has the advantages of compact structure, high automation degree and strong adaptability, and is suitable for the solid-liquid separation process of mine dewatering water, industrial circulating water and sewage treatment.

This utility model provides an ultrafiltration filter element, including an outer sleeve and a filter element component. The filter element component includes a filter assembly and a support head. A liquid passage is provided in the middle of the support head, and the filter assembly is disposed within the liquid passage to filter the fluid passing through it. The support head is disposed within the outer sleeve, with one end of the liquid passage located inside the outer sleeve and the other end located outside. The outer sleeve has an inlet and an outlet. This utility model embodiment achieves the technical effect of shortening the backwashing time of the filter element.