Automatic backwashing filter with large filtering area

Abstract

The invention relates to an automatic backwashing filter with a large filtering area, which is characterized in that a plurality of filter elements are clamped between two clamping plates in a matchedmanner, are positioned on the outer side of a filter cartridge, and are arranged in two circles which are uniformly arranged around the axis of the filter cartridge at intervals, and the two clampingplates are respectively provided with two circles of filter element water passing holes which are correspondingly connected with the end parts of the filter elements; the top end of a sewage suctionpipe is connected with a motor through a hollow rotating arm; the bottom end of the sewage suction pipe is communicated with a sewage discharge pipe through the other hollow rotating arm; two transition pipes are connected to one side, facing the clamping plate, of the hollow rotating arm; the two transition pipes respectively correspond to a circle of the filter element water passing holes; whenthe transition pipe rotates along with the hollow rotating arm, the transition pipe can sequentially pass through the end parts of the filter element water passing holes in the same circle; therefore,dirt filtered out from the same circle of filter elements can be sequentially sucked out to the inner cavity of the hollow rotating arm, the defect that the backwashing process must depend on directadsorption of a suction nozzle is avoided, and the effects that a plurality of the filter elements are additionally arranged in the automatic backwashing filter, and the filtering area is increased are achieved.

Description

technical field [0001] The invention relates to the field of backwashing filters, in particular to an automatic backwashing filter with a large filtering area. Background technique [0002] Automatic backwash filters are widely used in metallurgy, chemical industry, petroleum, papermaking, medicine, food, mining, electric power, urban water supply fields, such as industrial wastewater, circulating water filtration, emulsion regeneration, waste oil filtration treatment, metallurgical industry Continuous casting water system, blast furnace water system, and high-pressure water descaling system for hot rolling are advanced, efficient and easy-to-operate fully automatic filtration devices. It is generally composed of a cylinder, a stainless steel filter, a sewage discharge part, a transmission device and an electrical control part. When the filter is working, the water to be filtered enters from the water inlet, flows through the filter screen, and enters the pipeline required ...

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problem that the filtering area of ​​the existing automatic backwashing filter is relatively small relative to the overall volume of the filter and the sewage treatment capacity is insufficient, the present invention provides an automatic backwashing filter with a large filtering area

Images