CN100384505C - Intelligent differential pressure type filter capable of cleaning filter core by high-pressure water - Google Patents

Intelligent differential pressure type filter capable of cleaning filter core by high-pressure water Download PDF

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Publication number
CN100384505C
CN100384505C CNB2006100134730A CN200610013473A CN100384505C CN 100384505 C CN100384505 C CN 100384505C CN B2006100134730 A CNB2006100134730 A CN B2006100134730A CN 200610013473 A CN200610013473 A CN 200610013473A CN 100384505 C CN100384505 C CN 100384505C
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water
pressure
pressure pump
filter
impurity collector
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CNB2006100134730A
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CN1864798A (en
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陈华
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Abstract

The present invention discloses an intelligent differential pressure filter with the function of automatically flushing a filter core, which comprises a filter body provided with a water inlet and a water outlet, wherein a water inlet end cover and a bearing seat are arranged at the front end of the filter body, a transmission main shaft, one end of which extends into a front cavity of the filter body is arranged in a central hole of the bearing seat, and a back cavity of the filter body is provided with a filter screen in which an impurity collector is arranged. The front end of the impurity collector is connected with a hollow screw rod, the back end of the impurity collector is connected with a sewage discharging port of the filter body, and a sewage discharging valve is arranged between the impurity collector and the sewage discharging port. A high-pressure injecting system composed of a high-pressure pump, a shifting fork assembly, a high-pressure water guiding pipe, a water guiding copper pipe and a water inlet pipe and a water outlet pipe of the high-pressure pump is also arranged in the filter body, and a nozzle installed on a nozzle seat is arranged on the water guiding copper pipe in the high-pressure injecting system. The present invention adopts the modes of high-pressure injection and suction nozzle scanning to clean the filter screen and can remove small impurities or viscous impurities on the filter screen at any time to achieve the purpose of cleanly and thoroughly flushing a filter core.

Description

Intelligent differential pressure type filter with high pressure water washing filter core function
Technical field
The present invention relates to a kind of water treatment facilities, more particularly, the present invention relates to a kind of intellectual differential pressure type filter.
Background technology
In recent years, the intelligent differential pressure type filter that has the self-cleaning filtering function, not only obtained extensive use in all trades and professions, and, become the unify ideal equipment of the online removal granule foreign of water system of all trades and professions circulating water because of advantage such as it has that volume is small and exquisite, easy to maintenance, automatic pollution discharge and blowdown are not cut off the water supply.
This filter relies on negative pressure to finish to the cleaning of filter screen, that is to say, when cleaning filter screen, opens blowoff valve, makes the pipeline water pressure greater than air pressure, and water is flowed out from internal body.Because during blowdown, water flows into sewage chamber by filter suction nozzle and center dirt collecting pipe, and suction nozzle is very near apart from screen surface, therefore, under the effect of hydraulic pressure, the impurity of screen surface can enter suction nozzle and flow into the dirt collecting pipe with current, discharges through sewage draining exit again, forms backwash soil pick-up mode.In this backwash soil pick-up mode,,, thereby reach the purpose of cleaning strainer body so suction nozzle will scan the total inner surface of filter screen dictyosome when soil pick-up because the suction nozzle soil pick-up on the dirt collecting pipe moves with helical trajectory.
But, it is effective that the effect of this cleaning way only filters or remove under the situation of inviscid granule foreign in low precision, and removing under the situations such as algae, cenobium and other sticky contaminant or high accuracy are filtered, line pressure is low not ideally, often there is the defective that filter core can not be cleaned up.
Summary of the invention
Purpose of the present invention overcomes the defective of prior art exactly, provides a kind of and can guarantee good filtration work effect, again the intelligent differential pressure type filter that can with water under high pressure filter core be rinsed well when each blowdown.
The present invention has the intelligent differential pressure type filter of high pressure water washing filter core function, comprise the body that is provided with water inlet and delivery port, be provided with in the described body and described body be divided into the dividing plate flange of two chambers and be fixed on screw and tripod on the described dividing plate flange, the front end of described body is provided with intake end cover, the front end of described intake end cover is provided with bearing block, be provided with transmission main shaft in the centre bore of described bearing block by the sealing of sealing shroud assembly, the end that described transmission main shaft puts in the body ante-chamber is a cavity, described cavity end is provided with the water-guiding hole that leads to sealing shroud assembly hydroecium, described transmission main shaft stretches out the motor of the other end junctor external body of body, the back cavity of described body is provided with filter screen, described filter screen inside is provided with the impurity collector that suction nozzle has been installed, the front end of described impurity collector is provided with hollow leading screw, the rear end of described impurity collector is provided with blowoff valve, described blowoff valve connects the sewage draining exit of described body rear end, run through two chambers in the described body and be provided with water under high pressure water conservancy diversion and spraying system, described water under high pressure water conservancy diversion and spraying system are by the high-pressure pump that is arranged on described body top, be arranged on the cavity part of body front end transmission main shaft, put in the pull-fork assembly that an end of body ante-chamber is connected with described transmission main shaft, run through the high pressure aqueduct that is arranged on described pull-fork assembly center, spiral water guide copper pipe around described impurity collector, be connected the water-guiding hole of described high pressure aqueduct one end and the high-pressure pump outlet pipe between the high-pressure pump delivery port, and the high-pressure pump water inlet pipe that is connected between described high-pressure pump water inlet and the described body water purifying chamber is formed, one end and the described pull-fork assembly of described high pressure aqueduct are fixed, the other end penetrates in the perforate mouth of described hollow leading screw front end setting, the external diameter of described hollow leading screw perforate mouth is provided with the dial that can be slidingly matched with described pull-fork assembly, the rear end of described hollow leading screw is provided with the solid head that connects described impurity collector, one side of described solid head is provided with the screwed hole that connects the water guide copper pipe by connector, and described water guide copper pipe is provided with the nozzle that is installed on the nozzle carrier.
The present invention has the intelligent differential pressure type filter of high pressure water washing filter core function, adopt the mode of high-pressure injection and suction nozzle scanning that filter screen is carried out dual cleaning, its beneficial effect is: can destroy tiny or sticky contaminant on the filter screen at any time, the trouble of having avoided the artificial unloading to clean filter screen has reached the good result that the filter core cleaning down is clean.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the structural representation of hollow core leading screw of the present invention.
The specific embodiment
Below in conjunction with drawings and Examples the present invention is done to describe in detail.
As Fig. 1, shown in Figure 2, the present invention has the intelligent differential pressure type filter of high pressure water washing filter core function, comprise the body 1 that is provided with water inlet 16 and delivery port 17, be divided into two chambers by dividing plate flange 37 and the screw and the tripod 14 that are fixed on the described dividing plate flange 37 in the described body 1, the front end of described body 1 connects intake end cover 2 by bolt, and with sealing gasket 21 sealings, the outer end of described intake end cover 2 is by bolt connecting axle bearing 3, and with sealing gasket 22 sealings, be provided with transmission main shaft 4 in the centre bore of described bearing block 3, and with 5 sealings of sealing shroud assembly, one end of described transmission main shaft 4 is a cavity, described cavity end is provided with water-guiding hole, described water-guiding hole is communicated with the hydroecium of described sealing shroud assembly 5 by the water-guiding hole of described bearing block 3 and described sealing shroud assembly 5 sides, the cavity end of described transmission main shaft 4 stretches into the ante-chamber of body 1, the other end of described transmission main shaft 4 stretches out the motor 33 that body 1 connects body 1 outside, the back cavity of described body 1 is provided with filter screen 15, described filter screen 15 inside are provided with the impurity collector 34 that suction nozzle 32 has been installed, the front end of described impurity collector 34 connects hollow leading screw 9, the rear end of described impurity collector 34 is provided with blowoff valve 35, and described blowoff valve 35 connects the sewage draining exit 36 of described body 1 rear end; Difference with the prior art of the present invention is, be provided with water under high pressure water conservancy diversion and the spraying system that runs through two chambers in the described body 1, described water under high pressure water conservancy diversion and spraying system are made up of cavity end, pull-fork assembly 6, high pressure aqueduct 8, water guide copper pipe 30 and high-pressure pump water inlet pipe 19 and the high-pressure pump outlet pipe 20 of high-pressure pump 18, transmission main shaft 4; Described high-pressure pump 18 is arranged on the top of body 1; Described pull-fork assembly 6 is connected with the cavity end of described transmission main shaft 4 and locks by locknut 7; Described high pressure aqueduct 8 axially runs through the center of described pull-fork assembly 6, the one end is fixing by bolt and described pull-fork assembly 6, the other end penetrates the perforate mouth 23 of described hollow leading screw 9 front ends, and described water guide copper pipe 30 is spiral around described impurity collector 34; One end of described high-pressure pump outlet pipe 20 is connected the water-guiding hole of described high pressure aqueduct 8 one ends by the described bearing block 3 and the water-guiding hole of sealing shroud assembly 5 sides, and its other end connects the delivery port of described high-pressure pump 18; One end of described high-pressure pump water inlet pipe 19 connects the water inlet of described high-pressure pump 18, and its other end connects the water purifying chamber of described body 1; Be provided with sealing ring 27 in the perforate mouth 23 of described hollow leading screw 9 front ends, with the sealing of realization with described high pressure aqueduct 8, the external diameter of described perforate mouth 23 is provided with dial 26, described dial 26 can be slidingly matched with described pull-fork assembly 6 and be locked by nut 28 and described hollow leading screw 9, described hollow leading screw 9 is fixedlyed connected with described impurity collector 34 with solid 24 of its rear end, described solid 24 side is provided with screwed hole 25, described screwed hole 25 connects described water guide copper pipe 30 by connector 11, described water guide copper pipe 30 is provided with nozzle carrier 31, and nozzle 29 is installed on the described nozzle carrier 31.
Nozzle carrier 31 and nozzle 29 on suction nozzle 32 described in the present invention on the impurity collector and the described water guide copper pipe 30 can be provided with several as required, respectively are set to 4 in the present embodiment.
The process of intelligent differential pressure type filter high pressure water washing filter core that the present invention has high pressure water washing filter core function is as follows:
Driving described transmission main shaft 4 by described motor 33 rotates, and by constituting the pull-fork assembly 6 of driving-chains with described transmission main shaft 4, dial 26, hollow leading screw 9 drives described impurity collector 34 rotations, simultaneously, start described high-pressure pump 18 and open blowoff valve 35, make water under high pressure from the delivery port outflow of described high-pressure pump 18, through high-pressure pump outlet pipe 20, order is by described sealing shroud assembly 5 again, bearing block 3, and the water-guiding hole on the described transmission main shaft 4 flows into described high pressure aqueduct 8, and enter the hollow cavity of hollow leading screw 9 by high pressure aqueduct 8, enter water guide copper pipe 30 through connector 11 then, and by 29 ejections of the nozzle on the described nozzle carrier 31; Because described water guide copper pipe 30 is spiral around being installed on the described impurity collector 34, and can be with rotation therewith, so, nozzle 29 mounted thereto is the inner surface of inswept described filter screen 15 in a spiral manner, simultaneously suction nozzle 32 also scans the impurity of described filter screen 15 inner surfaces with helical trajectory and collects, in the described impurity collector 34 of its inspiration, discharge by sewage draining exit 36 again, thereby reach the purpose of thoroughly cleaning filter screen with dual cleaning way, finish the filter core flushing process one time.The water purification that leaches of machine filter enters high-pressure pump 18 by the high-pressure pump water inlet pipe 19 between the water inlet that is connected described body 1 water purifying chamber outlet and described high-pressure pump 18 after filtration, continues next flushing process.So move in circles; can guarantee that filter can destroy fine impurities or the sticky contaminant on the filter screen at any time in work is carried out; that has avoided that prior art exists stops up because of filter core; have to shut down the trouble of disassembly, cleaning, to reach the good result that filter is rinsed well filter core in normal blowdown work.
Design characteristics of the present invention are to have increased by a cover high-pressure injection system on the basis of the differential pressure type filter of prior art System, thus the negative pressure cleaning effect of high-pressure injection and suction nozzle scanning is carried out in realization to filter screen.
Design advantage of the present invention is:
1. with high setting-out the fine impurities on the filter screen and sticky contaminant are destroyed, solved prior art depend merely on suction nozzle can not Thoroughly clean the drawback of filter screen, the trouble of having avoided the artificial unloading to clean filter screen has prolonged the failure free time of equipment;
2. be not subjected to water quality impact and restriction, have widely applicability;
3. cleaning performance is remarkable, is not easy to stop up, and under the condition of equal water quality, can make filter normally operation under higher filtering accuracy.

Claims (2)

1. intelligent differential pressure type filter with high pressure water washing filter core function, comprise the body that is provided with water inlet and delivery port, be provided with in the described body and described body be divided into the dividing plate flange of two chambers and be fixed on screw and tripod on the described dividing plate flange, the front end of described body is provided with intake end cover, the front end of described intake end cover is provided with bearing block, be provided with transmission main shaft in the centre bore of described bearing block by the sealing of sealing shroud assembly, described transmission main shaft stretches out the motor of an end junctor external body of body, the other end that described transmission main shaft puts in the body ante-chamber is a cavity, described cavity end is provided with the water-guiding hole that leads to sealing shroud assembly hydroecium, the back cavity of described body is provided with filter screen, described filter screen inside is provided with the impurity collector that suction nozzle has been installed, the front end of described impurity collector is provided with hollow leading screw, the rear end of described impurity collector is provided with blowoff valve, described blowoff valve connects the sewage draining exit of described body rear end, it is characterized in that, run through two chambers in the described body and be provided with water under high pressure water conservancy diversion and spraying system, described water under high pressure water conservancy diversion and spraying system are by high-pressure pump, the cavity part of transmission main shaft, pull-fork assembly, the high pressure aqueduct, the water guide copper pipe, high-pressure pump outlet pipe and high-pressure pump water inlet pipe are formed; Described high-pressure pump is arranged on the top of described body; The front end of described pull-fork assembly connects the cavity part of described transmission main shaft, and its rear end connects hollow leading screw; Described high pressure aqueduct is arranged on the center of described pull-fork assembly, and one end and described pull-fork assembly are fixed, and its other end penetrates in the perforate mouth of described hollow leading screw front end setting; Described water guide copper pipe is spiral around described impurity collector, and it is provided with the nozzle that is installed on the nozzle carrier; Described high-pressure pump water inlet pipe is arranged between described high-pressure pump water inlet and the described body water purifying chamber; Described high-pressure pump outlet pipe is arranged between the water-guiding hole of described high-pressure pump delivery port and described high pressure aqueduct one end.
2. the intelligent differential pressure type filter with high pressure water washing filter core function according to claim 1, it is characterized in that, the external diameter of described hollow leading screw perforate mouth is provided with the dial that can be slidingly matched with described pull-fork assembly, the rear end of described hollow leading screw is provided with the solid head that connects described impurity collector, and a side of described solid head is provided with the screwed hole that connects the water guide copper pipe by connector.
CNB2006100134730A 2006-04-18 2006-04-18 Intelligent differential pressure type filter capable of cleaning filter core by high-pressure water Expired - Fee Related CN100384505C (en)

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CNB2006100134730A CN100384505C (en) 2006-04-18 2006-04-18 Intelligent differential pressure type filter capable of cleaning filter core by high-pressure water

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Application Number Priority Date Filing Date Title
CNB2006100134730A CN100384505C (en) 2006-04-18 2006-04-18 Intelligent differential pressure type filter capable of cleaning filter core by high-pressure water

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CN100384505C true CN100384505C (en) 2008-04-30

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102657969A (en) * 2012-04-27 2012-09-12 中冶南方(武汉)威仕工业炉有限公司 Fine filter device of high pressure back-flush rotary filter drum
CN103083989B (en) * 2013-02-07 2016-05-18 沧州市博锐达数控科技有限公司 Sewage-treatment plant and sewage water treatment method
CN106269662B (en) * 2016-10-26 2018-07-03 苏州市大华精密机械有限公司 The cleaning method of valve housing
CN109432850B (en) * 2018-12-29 2024-05-17 河北中科鼎鑫节能环保设备有限公司 Filter capable of automatically adjusting dirt suction gap
CN110612841A (en) * 2019-10-23 2019-12-27 方思明 Greenhouse seedling system and greenhouse seedling box for agricultural planting

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5635066A (en) * 1993-06-24 1997-06-03 Mike Maurer Pressure filter with a back-flushing head exerting a uniform contact pressure
US6543624B1 (en) * 1999-04-16 2003-04-08 Mahle Filtersysteme Gmbh Back-washable filter for liquids
CN2582721Y (en) * 2002-10-30 2003-10-29 湖北洪城通用机械股份有限公司 High efficiency full automatic back flushing water filter
CN1141164C (en) * 1997-12-18 2004-03-10 阿-卡尔塑料制品公司 Reverse flow spin-cleaning liquid filters

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5635066A (en) * 1993-06-24 1997-06-03 Mike Maurer Pressure filter with a back-flushing head exerting a uniform contact pressure
CN1141164C (en) * 1997-12-18 2004-03-10 阿-卡尔塑料制品公司 Reverse flow spin-cleaning liquid filters
US6543624B1 (en) * 1999-04-16 2003-04-08 Mahle Filtersysteme Gmbh Back-washable filter for liquids
CN2582721Y (en) * 2002-10-30 2003-10-29 湖北洪城通用机械股份有限公司 High efficiency full automatic back flushing water filter

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SE01 Entry into force of request for substantive examination
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GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Assignee: Cangzhou skylight Numerical Control Technology Co., Ltd.

Assignor: Chen Hua

Contract fulfillment period: 2008.11.20 to 2014.11.20

Contract record no.: 2008130000112

Denomination of invention: Intelligent differential pressure type filter capable of cleaning filter core by high-pressure water

Granted publication date: 20080430

License type: Exclusive license

Record date: 20081127

LIC Patent licence contract for exploitation submitted for record

Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.11.20 TO 2014.11.20; CHANGE OF CONTRACT

Name of requester: CANGZHOU CITY TIANGUANG NUMERICAL CONTROL TECHNOLO

Effective date: 20081127

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080430

Termination date: 20180418