Indexing rotary self-cleaning filter

A self-cleaning filter, indexing and rotating technology, applied in fixed filter element filters, filtration separation, separation methods, etc., can solve problems such as increasing operating costs, reducing filter life, and insufficient backwashing of the filter. Achieve the effect of increasing operating costs, easy disassembly and maintenance, and simple structure

Inactive Publication Date: 2011-05-04
XINJIANG TIANYE GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention provides an indexing rotary self-cleaning filter, aiming to solve the problem that part of the filter screen in the current self-cleaning filter cannot be fully backwashed, and is in the state o

Method used

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  • Indexing rotary self-cleaning filter
  • Indexing rotary self-cleaning filter
  • Indexing rotary self-cleaning filter

Examples

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Embodiment Construction

[0018] Refer to attached figure 1 , 2 , this embodiment includes a filter housing 2, the housing 2 is provided with an outer gland 6, a water inlet 1, a filter element 9, a water outlet 12, a sewage outlet 13 and a controller 5, and the outer gland 6 and the housing 2 pass through Bolt connection, the shell 2 is composed of two sections and connected by bolts, the shell 2 is provided with a fixed partition 7, and the fixed partition 7 is provided with a rotatable locking disc 4 and a gland 3 in sequence, and the gland 3 is connected with the fixed The partition 7 is connected by bolts, and the inner side of the fixed partition 7 and the bottom of the housing 2 are provided with a concave rubber ring 8, the water outlet 12 extends inward to be flush with the concave rubber ring 8, and the upper and lower ends of the cylindrical center frame 10 with holes extend Into the groove of the concave apron 8, the filter element 9 is located inside the central frame 10 and is in close c...

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Abstract

An indexing rotary self-cleaning filter comprises a filter housing, which is provided with an outer gland, a water inlet, a filter core, a water outlet, a sewage draining exit and a controller. The filter housing includes two segments, and a fixed separator plate is arranged in the housing. The fixed separator plate is provided with a rotating lock plate and a gland in order, and recessed rubber rings are arranged at the inner side of the fixed separator plate and at the bottom of the housing. The top and bottom of the cylindrical center skeleton with holes are inserted in the grooves of the recessed rubber rings. The filter core is positioned in the inner side of the center skeleton and is in close contact with the center skeleton. An arc-shaped baffle plate is arranged between the outer wall of the center skeleton and the inner wall of the housing. The two sides of the arc-shaped baffle plate are provided with rubber partitions, which contact with the outer wall of the center skeleton. The top and bottom of the arc-shaped baffle plate are respectively inserted into the recessed rubber rings, and the top and bottom of the rubber partitions contact with the recessed rubber rings. A back-flushing cavity forms among the arc-shaped baffle plate, rubber partitions and the center skeleton. The sewage outlet extends inwardly and communicates with the back-flushing cavity.

Description

technical field [0001] The invention relates to a graduated rotary self-cleaning filter for filtering farmland irrigation systems. Background technique [0002] The current self-cleaning filters used in field irrigation systems generally use the clean water filtered by a part of the filter to backwash the other part of the filter. The screen cannot be fully backwashed, causing some impurities to stay in the filter screen and accumulate for a long time, which will cause certain damage to the filter screen, reduce the service life of the filter screen, and increase the cost of system operation. Chinese patent CN2737448Y discloses a differential pressure type fully automatic sewage filter, which consists of a cylindrical shell and a water inlet, water outlet and sewage outlet set up on it at the same time, and a filter screen is arranged in the shell The water inlet and the water outlet are respectively provided with a water inlet pressure measuring port and a water outlet pre...

Claims

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Application Information

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IPC IPC(8): B01D29/33B01D29/68
Inventor 李双全兰明徐昭杨树新邸红赵中华
Owner XINJIANG TIANYE GRP
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