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Title:
CYCLE SELF-CLEANING FILTER
Document Type and Number:
WIPO Patent Application WO/2016/161595
Kind Code:
A1
Abstract:
A cycle self-cleaning filter comprises: a filtering device, a backwashing device, a cleaning device, and a chemical washing device. The filtering device comprises a filtering tank (100), a water inlet pipe (110), and a water outlet pipe (130), and is provided with a filtering tank water outlet (161) and a filtering tank water inlet (160). The backwashing device comprises a backwashing water inlet pipe (120) and a dirty water draining pipe (150). The backwashing water inlet pipe (120) is disposed with a backwashing pump (140). The cleaning device comprises a cleaning pump (210) mounted on a platform at the bottom of the filtering tank (100) and an obliquely arranged cleaner (200). The chemical washing device comprises a chemical washing tank (300) and a chemical washing pump (330). The cleaner (200) comprises a sieve cylinder (240) mounted within a housing (230) thereof. Processes of backwashing, cleaning, and chemical washing are formed between the devices. According to a contamination degree of filtering materials, a suitable backwashing process or a combination of multiple backwashing processes is selected to address the problems of unstable water quality, hardening of the filtering materials due to a high polymer content in water and defects in a single external cleaning process such as long backwashing time, high energy consumption, poor cleaning effect, serious wear-and-tear of a cleaning pump, etc.

Inventors:
YU JINHAI (CN)
YU JINQUAN (CN)
SHI JIA (CN)
CHI AIWEN (CN)
YU ZHILUN (CN)
Application Number:
PCT/CN2015/076158
Publication Date:
October 13, 2016
Filing Date:
April 09, 2015
Export Citation:
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Assignee:
YU JINHAI (CN)
International Classes:
C02F1/40; B01D24/46; B01D41/02
Foreign References:
CN204601725U2015-09-02
CN104815463A2015-08-05
CN101716438A2010-06-02
CN2661289Y2004-12-08
AU2008252310A12008-11-27
CN104098155A2014-10-15
CN101982216A2011-03-02
Other References:
LU , HAIQING ET AL.: "Research and Application of GLC-320 In-Vitro Scrubbed Filter", JIANGHAN PETROLEUM SCIENCE AND TECHNOLOGY, vol. 16, no. 2, 30 June 2006 (2006-06-30)
Attorney, Agent or Firm:
BEIJING PSCU PATENT OFFICE (CN)
北京捷诚信通专利事务所(普通合伙) (CN)
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