WO2016086389A1 - Filtre de lavage à contre-courant automatique - Google Patents

Filtre de lavage à contre-courant automatique Download PDF

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Publication number
WO2016086389A1
WO2016086389A1 PCT/CN2014/093036 CN2014093036W WO2016086389A1 WO 2016086389 A1 WO2016086389 A1 WO 2016086389A1 CN 2014093036 W CN2014093036 W CN 2014093036W WO 2016086389 A1 WO2016086389 A1 WO 2016086389A1
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WO
WIPO (PCT)
Prior art keywords
filter
valve
core
rotary valve
valve core
Prior art date
Application number
PCT/CN2014/093036
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English (en)
Chinese (zh)
Inventor
苏俊
Original Assignee
苏俊
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 苏俊 filed Critical 苏俊
Priority to PCT/CN2014/093036 priority Critical patent/WO2016086389A1/fr
Publication of WO2016086389A1 publication Critical patent/WO2016086389A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
    • B01D29/52—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
    • B01D29/68—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles

Definitions

  • the present invention relates to a filtering device, and more particularly to a backwashable filtering device.
  • the structure mainly comprises a casing, the casing is provided with a liquid inlet and a liquid discharge port, and the casing is further provided with a filter cartridge, and the filter cartridge is provided with a plurality of filters.
  • a core the liquid inlet is connected to a space outside the filter core through a pre-filtration passage, and an inner space of the filter core is connected to the liquid discharge port through a filter passage; the liquid inlet is connected with an inlet valve and a slag discharge valve arranged in parallel
  • the liquid discharge port is connected with an intake valve and a liquid discharge valve arranged in parallel, and the liquid inlet valve, the slag discharge valve, the intake valve and the liquid discharge valve are connected by an external pipe.
  • the liquid inlet enters the liquid, enters the filter cartridge through the filter channel, and after filtering through the filter core, the filter residue is blocked on the filter core, and the relatively clean liquid is discharged from the liquid discharge port through the filter passage.
  • the inlet valve and the drain valve are closed, then the intake valve and the slag discharge valve are opened, and the compressed air is blown back to the filter core to discharge the filter residue from the slag discharge valve.
  • the disadvantages are: firstly, the device is inconvenient to operate, and it is necessary to control a plurality of valves at the same time; secondly, due to the long pipe length, the slag discharge is not thorough and the work efficiency is low; thirdly, when the backwashing is performed, the filter is stopped. Work, affecting normal use, need to set a separate filter on the pipeline.
  • an automatic backwashing filter comprising a housing provided with at least two filter chambers, a filter core disposed in the filter chamber, and a liquid inlet and a liquid inlet on the housing.
  • the outer space of the filter core in each filter chamber is respectively connected, and the space in the filter core is connected to the liquid discharge main pipe through the drain valve, and a drain valve is arranged on the liquid discharge pipe of each filter chamber; the space in each filter core
  • the air inlet valve is connected to the compressed air source;
  • the housing is provided with a U-shaped rotary valve core, and when the rotary valve core rotates, the rotary valve core can block or open the passage between the liquid inlet and any filter chamber.
  • the bottom of the rotary valve core is provided with an air-controlled slag discharge valve.
  • part of the filter chamber is normally filtered.
  • the corresponding intake valve and slag discharge valve are closed, the liquid discharge valve is opened, and the liquid inlet is filled.
  • the filter residue is blocked outside the filter core. The clean liquid is discharged from the drain.
  • the other part of the filter core is in a flushing state.
  • the rotary valve core blocks the passage between the liquid inlet and the corresponding filter chamber, and the U-shaped opening of the rotary valve core faces the blocked filter chamber, and the corresponding drain valve of the corresponding filter chamber Closed, the intake valve is opened, and the air-controlled slag discharge valve is opened, and the compressed air is blown back to the filter core, so that the filter residue outside the filter core falls off, and then exits from the air-controlled slag discharge valve.
  • the device realizes the regeneration of the filter. By rotating the rotary spool to a specific position, the filter cores in each filter chamber can be backwashed separately.
  • the invention has less liquid to be sealed during slag discharge, less waste, and high slag discharge efficiency, and the invention can realize automatic slag discharge, which can filter the entire filter without stopping the use of the filter.
  • the filter cores are re-rinsed one by one.
  • the device can be used as a sewage filter or an oil filter.
  • the intake valve and the drain valve are both solenoid valves, and the intake valve and the drain valve corresponding to the same filter chamber are interlocked, and the two are not opened or closed at the same time. This will ensure that there will not be a large amount of air directly entering the drain main.
  • the air control slag discharge valve is connected with a control valve, and the valve of the control valve is supplied to the air control slag discharge valve via the check valve.
  • the control valve can be used to control the air control slag valve to open or close, which is convenient for automatic control.
  • Figure 1 is a schematic view of the structure of the present invention.
  • FIG. 1 it is an automatic backwashing filter, and the casing 1 is provided with three filter chambers 12 , and the filter chamber 12 is provided with a filter core 5 , and the casing 1 is further provided with a liquid inlet 6 and a liquid inlet 6 respectively, the outer space of the filter core in each filter chamber 12 is connected, and the space in the filter core 5 is connected to the liquid discharge manifold 15 through the liquid discharge valves 8, 9, 10, and one row is arranged on the liquid discharge pipe of each filter chamber.
  • the liquid valve; the space in each filter core 5 is connected to the compressed air source via the intake valves 2, 3, 4 respectively; the housing 1 is provided with a U-shaped rotary valve core 7, and when the rotary valve core 7 rotates, the rotary valve The core 7 can block or open the passage between the inlet port 6 and any of the filter chambers; the bottom of the rotary valve core 7 is provided with an air-controlled slag discharge valve 14 that blocks the inlet port 6 and the corresponding filter chamber 12 In the case of the passage, the U-shaped opening of the rotary valve body 7 faces the blocked filter chamber 12; the three filter chambers 12 are distributed on the outer circumference of the rotary valve body 7.
  • the above-mentioned intake valves 2, 3, 4 and the liquid discharge valves 8, 9, 10 are all electromagnetic valves, and the corresponding intake valve and the discharge valve of the same filter chamber 12 are interlocked, and the two are not turned on or off at the same time, in this figure
  • the intake valve 2 is opened, the drain valve 9 is closed.
  • the intake valve 2 is closed, the drain valve 9 is opened, and the rest are similar; the air control slag discharge valve 14 is connected with the control valve 13 and the valve of the control valve 13 After that, the gas slag discharge valve 14 is supplied to the air through the check valve 11.
  • part of the filter chamber 12 is normally filtered.
  • the corresponding intake valves 2, 3, 4 and the slag discharge valve are closed, the discharge valves 8, 9, 10 are opened, the liquid inlet 6 is filled, and the filter 5 is filtered. Thereafter, the filter residue is blocked outside the filter core 5, and the relatively clean liquid is discharged from the drain port.
  • the other part of the filter core 5 is in a flushing state, at this time, the rotary valve core 7 blocks the liquid inlet 6 and the corresponding passage between the filter chamber 12, the U-shaped opening of the rotary valve core 7 faces the blocked filter chamber 12, and the corresponding drain valves 8, 9, 10 of the corresponding filter chamber 12 are closed, and the intake valves 2, 3 4, open, and the air control slag discharge valve 14 is opened, the compressed air back blows the filter core 5, so that the filter residue outside the filter core 5 falls off, and then leaves the device from the air control slag discharge valve 14 to realize the flushing regeneration of the filter.
  • the filter cartridge 5 in each filter chamber 12 can be backwashed separately.
  • the device can perform backwashing regeneration of the filter element 5 of the entire filter one by one without stopping the use of the filter.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

L'invention concerne un filtre de lavage à contre-courant automatique qui comporte une enveloppe (1) pourvue d'au moins deux chambres de filtration (12), un élément de filtration (5) étant disposé dans la chambre de filtration (12), l'enveloppe étant également pourvue d'une entrée de liquide (6), l'entrée de liquide (6) étant en communication respectivement avec l'espace à l'extérieur de l'élément de filtration (5) dans chaque chambre de filtration, l'espace à l'intérieur de l'élément de filtration (5) étant relié à un collecteur d'évacuation de liquide (15) au moyen de soupapes d'évacuation de liquide (8, 9, 10), une soupape d'évacuation de liquide (8, 9, 10) étant disposée sur un tuyau d'évacuation de liquide de chaque chambre de filtration (12), l'espace à l'intérieur de l'élément de filtration (5) étant relié respectivement à une source d'air comprimé au moyen de soupapes d'admission d'air (2, 3, 4) et l'enveloppe (1) étant pourvue d'une partie centrale de soupape rotative (7) en forme de U ; lorsque la partie centrale de soupape rotative (7) tourne, la partie centrale de soupape rotative (7) peut connecter ou déconnecter le canal entre l'entrée de liquide (6) et l'une quelconque des chambres de filtration (12), une soupape d'évacuation de résidu pneumatique (14) étant disposée au niveau de la partie inférieure d'un côté interne de la partie centrale de soupape rotative (7) ; lorsque la partie centrale de soupape rotative (7) déconnecte le canal entre une entrée de liquide (6) et une chambre de filtration (12) correspondante, l'ouverture en forme de U de la partie centrale de soupape rotative (7) est en regard de la chambre de filtration déconnectée (12).
PCT/CN2014/093036 2014-12-04 2014-12-04 Filtre de lavage à contre-courant automatique WO2016086389A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2014/093036 WO2016086389A1 (fr) 2014-12-04 2014-12-04 Filtre de lavage à contre-courant automatique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2014/093036 WO2016086389A1 (fr) 2014-12-04 2014-12-04 Filtre de lavage à contre-courant automatique

Publications (1)

Publication Number Publication Date
WO2016086389A1 true WO2016086389A1 (fr) 2016-06-09

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Application Number Title Priority Date Filing Date
PCT/CN2014/093036 WO2016086389A1 (fr) 2014-12-04 2014-12-04 Filtre de lavage à contre-courant automatique

Country Status (1)

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WO (1) WO2016086389A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111392891A (zh) * 2020-04-23 2020-07-10 乾顺能源技术(上海)有限公司 一种过滤装置和制冰系统
CN113694601A (zh) * 2021-08-04 2021-11-26 广州南大环保科技有限公司 一种医药废水处理装置及方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202315536U (zh) * 2011-10-18 2012-07-11 古春林 一种反冲洗式精效过滤器机组
CN103055573A (zh) * 2013-01-24 2013-04-24 昆山华科膜环保科技有限公司 一种浓缩过滤装置及其滤芯的清洗方法
CN103623631A (zh) * 2013-11-22 2014-03-12 江苏大学 一种手动反冲洗滤网过滤器
CN203540351U (zh) * 2013-08-21 2014-04-16 苏州国华环境技术有限公司 具有反冲洗功能的uf超滤膜过滤器

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202315536U (zh) * 2011-10-18 2012-07-11 古春林 一种反冲洗式精效过滤器机组
CN103055573A (zh) * 2013-01-24 2013-04-24 昆山华科膜环保科技有限公司 一种浓缩过滤装置及其滤芯的清洗方法
CN203540351U (zh) * 2013-08-21 2014-04-16 苏州国华环境技术有限公司 具有反冲洗功能的uf超滤膜过滤器
CN103623631A (zh) * 2013-11-22 2014-03-12 江苏大学 一种手动反冲洗滤网过滤器

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111392891A (zh) * 2020-04-23 2020-07-10 乾顺能源技术(上海)有限公司 一种过滤装置和制冰系统
CN113694601A (zh) * 2021-08-04 2021-11-26 广州南大环保科技有限公司 一种医药废水处理装置及方法
CN113694601B (zh) * 2021-08-04 2022-09-30 广州南大环保科技有限公司 一种医药废水处理装置及方法

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