CN109701305A - A kind of automatic backwash blowdown water filter - Google Patents

A kind of automatic backwash blowdown water filter Download PDF

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Publication number
CN109701305A
CN109701305A CN201910182798.9A CN201910182798A CN109701305A CN 109701305 A CN109701305 A CN 109701305A CN 201910182798 A CN201910182798 A CN 201910182798A CN 109701305 A CN109701305 A CN 109701305A
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CN
China
Prior art keywords
water
blowdown
filter
chamber
flusher
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN201910182798.9A
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Chinese (zh)
Inventor
杨磊
吴滨
黄梅
刘贞贵
车文国
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZIGONG HUARUI FILTRATION EQUIPMENT MANUFACTURING Co Ltd
PowerChina Zhongnan Engineering Corp Ltd
Original Assignee
ZIGONG HUARUI FILTRATION EQUIPMENT MANUFACTURING Co Ltd
PowerChina Zhongnan Engineering Corp Ltd
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 ZIGONG HUARUI FILTRATION EQUIPMENT MANUFACTURING Co Ltd, PowerChina Zhongnan Engineering Corp Ltd filed Critical ZIGONG HUARUI FILTRATION EQUIPMENT MANUFACTURING Co Ltd
Priority to CN201910182798.9A priority Critical patent/CN109701305A/en
Publication of CN109701305A publication Critical patent/CN109701305A/en
Pending legal-status Critical Current

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Abstract

A kind of automatic backwash blowdown water filter, shell (12) is interior to be fixed with cartridge assembly (4), and cartridge assembly includes multiple filter chambers (11) equipped with filter cylinder (10), and filter chamber is divided into outlet part and water entering section by filter cylinder;First flange (16) are arranged in the top of multiple filter chambers, and second flange (5) are arranged in bottom, and the soil cleaning port (161) being connected to outlet part is arranged in first flange, the intake-outlet (51) being connected to water entering section is arranged in second flange;Shell inner cavity is divided into intake chamber (6) and water-supplying chamber (7) by second flange;Main shaft (17) are arranged in the middle part of cartridge assembly, main shaft top connects flusher (9), main shaft lower part connects blowdown apparatus (13), and one end of main shaft is connected through shaft coupling with the output shaft of speed reducer (1), speed reducer is set to drive flusher and blowdown apparatus synchronous rotary, and flusher is successively connected with the outlet part of each filter chamber, blowdown apparatus synchronization is connected with the water entering section of each filter chamber.

Description

A kind of automatic backwash blowdown water filter
Technical field
The present invention relates to a kind of automatic backwash blowdown water filters.
Background technique
When water power station water supply system is fetched water using tail water, water filter is usually arranged in water supply pump water outlet, to realize certainly Clear formula automatic backflushing washes down blowdown, but this arrangement has the disadvantage in that
1. the branch of a large amount of silt particles and water float that contain in river, tree (grass) root, leaf and domestic pollutant etc. It will be directed into water supply pump, will lead to water supply pump cisco unity malfunction and very cause to damage.
2. logical using the power station of this arrangement since water filter needs to realize self-cleaning type blowdown using pressure difference Sewage pipe must be often connected to power station sump, there is certain limitation, and emissions to sump will also will increase A possibility that sump draining pump damages.
In order to protect water supply pump, also there is part power station that traditional single-cylinder type water filter is arranged in the water inlet of water supply pump, Backwash is carried out to water filter filter cylinder from the external pressure water source of the water outlet of water supply pump to remove contamination.But traditional single-cylinder type water filter It is had the disadvantage that using this arrangement
1. filter cartridge size is necessarily larger, rotating filter cartridge both ends machining accuracy and fit-up gap since filter cylinder can only use single-cylinder type It is difficult to ensure that being also just difficult to ensure higher filtering accuracy requirement.
2. being necessarily contactless, the section in the gap of the non-contact part with backwash water cavity since filter cylinder is rotated Product is quite big, and power plant tail water position is usually above the Installation Elevation of water filter, if dirt is immediately discharged to tail water, sewage draining exit tool There is back pressure, direct losses can not be overcome the back pressure of tail water to carry out blowdown, only arrange dirt by the pressure at external backwash water source To power station sump, and it thus will increase a possibility that sump draining pump damages.
Summary of the invention
The problem of for existing water power station water supply system water intaking end water filter arrangement and deficiency, the primary mesh of the present invention Be to provide a kind of automatic water filter for being able to achieve automatic backwash.
In order to solve the above technical problems, secondary objective of the present invention, which is to provide one kind, is mounted on water supply pump water intaking end, and energy gram Take the automatic backwash blowdown water filter that dirt is immediately discharged to downstream tail water by tail water back pressure.
In order to solve the above technical problems, the present invention provides a kind of automatic backwash blowdown water filters comprising a shell, Cartridge assembly is fixed in the shell, wherein
The cartridge assembly includes multiple filter chambers, filter cylinder is equipped in each filter chamber, and each filter chamber is by the filter cylinder point It is divided into outlet part and water entering section, first flange is arranged in the top of multiple filter chambers, and second flange is arranged in the bottom of multiple filter chambers, The soil cleaning port being connected to the outlet part of the multiple filter chamber is set in first flange, setting and the multiple mistake in second flange The intake-outlet of the water entering section connection of filter chamber;
The shell inner cavity is divided into intake chamber and water-supplying chamber by second flange by the cartridge assembly, and is arranged on intake chamber Water outlet is arranged in water-supplying chamber in water inlet;
A main shaft is arranged in the middle part of the cartridge assembly, and flushing dress is fixedly connected on the main shaft on the cartridge assembly Set, be fixedly connected with blowdown apparatus on the main shaft under the cartridge assembly, and one end of the main shaft through shaft coupling with The output shaft of speed reducer is connected, and so that the speed reducer is driven the flusher and the blowdown apparatus synchronous rotary, is revolving During turning, is switched by sync bit, the flusher is made successively to be connected with the outlet part of each filter chamber, the blowdown Device is connected with the water entering section for the filter chamber that the flusher is connected to.
The present invention is in use, when being in normal filtration state, and speed reducer does not work, and blowdown valve and backwash valve are in Closed state.When reach remove contamination state when, backwash valve and blowdown valve are synchronous to be opened, speed reducer starting, and drives flusher With blowdown apparatus synchronous rotary, and under sync bit switch control, make the top soil cleaning port of each filter chamber successively with punching The flushing mouth of a river of cleaning device is connected, and the synchronization of the intake-outlet of filter chamber lower part is connected with the blowdown entrance of blowdown apparatus, And close access is formed with waste, attachment is blocked in filter cylinder inner surface and is trapped in the dirt impurity of cartridge interior, utilizes Backwash water source passes back through filter cylinder, cleans filter cylinder, and dirt impurity then utilizes backwash water source with the blowdown valve of unlatching Possessed pressure venting, flusher rotate a circle with blowdown apparatus, and the filter cylinder in each filter chamber is once recoiled It washes and cleans, loop back and forth like this.
The present invention uses the cartridge assembly structure of multi-cavity type, and cartridge assembly is fixed with shell, thus intake chamber and water outlet Room can realize thorough isolation, in addition, the present invention can require to be changed to the filter cylinder with corresponding filtering accuracy according to filtering accuracy, make Multi-cavity type cartridge assembly structure readily satisfies the filtering accuracy of any requirement, meanwhile, the manufacture and assembly of cartridge assembly of the present invention Precision is also easily guaranteed that.
The present invention is dexterously designed to flusher and blowdown apparatus synchronous rotary, and flushing is made to be able to achieve synchronous control with blowdown System, and structure is more simplified.
The present invention is suitable for automatic backwash blowdown water filter and is installed on centrifugal water supply pump intake and automatic backwash Occasion particularly suitable for automatic backwash blowdown water filter automatic backwash and need to overcome the operating condition of tail water back pressure blowdown.
In addition, backwash water source passes through flusher and filter chamber, blowdown apparatus and blowdown when the present invention backwashes work Pipeline forms airtight passage, and backwash water source can not only effectively backwash filter cylinder, and guarantee that the dirt backwashed can be suitable It discharges sharply.
Secondary objective to realize the present invention as makes the present invention be mountable to water supply pump water intaking end, and tail water can be overcome to carry on the back Pressure carries out blowdown, and the water inlet of the intake chamber is connected with tail water, the water outlet of the water-supplying chamber and the water intaking end of water supply pump Connection, the flusher are connected with the high-pressure water outlet of the water supply pump, and the blowdown apparatus is connected with tail water.
It is controlled for convenience of to backwash and blowdown process, the external setting backwash valve and blowdown valve of the shell, The flusher is connected through the backwash valve with the high-pressure water outlet of the water supply pump, and the blowdown apparatus is through the row Dirty valve is connected with the tail water.
It is connected for convenience of flusher with flushing valve, backwashing water entrance, the flushing is set on the flusher Device is connected through the backwashing water entrance with the backwash valve.
It is connected for convenience of blowdown apparatus with blowdown valve, waste, the blowdown apparatus is set on the blowdown apparatus It is connected through the waste with the blowdown valve.
To guarantee to backwash the operation smoothly realized with equipment normal reliable, the flusher passes through rotation bearing shell or rotation Turn sealing bearing shell and dock the soil cleaning port, the blowdown apparatus docks the Inlet and outlet water by rotation bearing shell or rotatory sealing bearing shell Mouthful, because rotation bearing shell has the characteristics that high-resistance wear-resistant performance and coefficient of friction are small, rotatory sealing bearing shell has abrasion is automatic to mend Repay function.
For convenience of the setting of flusher and blowdown apparatus, and backwash and contaminant removal effectiveness are further increased, it is the multiple Filter chamber is arranged in two concentric circumferences of the main shaft;The soil cleaning port is divided to inside and outside two circle to set in the first flange Set, the flusher include with inside and outside two galianconism that connect of circle soil cleaning port and long-armed, correspondingly, the intake-outlet is in institute It states and is divided to inside and outside two circles setting in second flange, the blowdown apparatus includes the galianconism connecting with inside and outside two circles intake-outlet and length Arm.
Detailed description of the invention
Fig. 1 is the main view of automatic backwash blowdown water filter of the present invention.
Fig. 2 is the B-B cross-sectional view of Fig. 1.
Fig. 3 is the cartridge assembly structure chart with flusher and blowdown apparatus.
Fig. 4 is the specifically used connection status figure of the present invention.
In figure:
A: automatic backwash blowdown water filter;1: speed reducer, 2: backwash valve, 3: sync bit switch, 4: cartridge assembly, 5: the Two flanges;6: intake chamber, 7: water-supplying chamber, 8: blowdown valve, 9: flusher, 10: filter cylinder, 11: filter chamber, 12: shell, 13: row Dirty device, 14: waste, 15: backwashing water entrance, 16: first flange, 17: main shaft, 18: water supply pump, 19: tailwater gallery, 20: water filter intake, 21: water filter sewage draining exit, 22: blowdown isolation valve, 23: water inlet isolating valve, 24: backwash isolating valve, 25: water isolation valve out, 51: intake-outlet, 61: water inlet, 71: water outlet, 111: outlet part, 112: water entering section, 161: removing contamination Mouthful.
Specific embodiment
The invention will be further described with principle with reference to the accompanying drawing.
As Figure 1-Figure 4, mono- embodiment of automatic backwash blowdown water filter A of the present invention includes a shell 12, the shell Backwash valve 2 and blowdown valve 8 is arranged in 12 outside, is fixed with cartridge assembly 4 in the shell 12.The cartridge assembly 4 includes more A filter chamber 11, is equipped with filter cylinder 10 in each filter chamber 11, and each filter chamber 11 by filter cylinder 10 be divided into outlet part 111 and into Water portion 112.First flange 16 is arranged in the top of each filter chamber 11, and second flange 15 is arranged in bottom, in first flange 16 setting with The soil cleaning port 161 that the outlet part 111 of each filter chamber 11 is connected to, the water entering section 112 of setting and each filter chamber 11 in second flange 15 The intake-outlet 51 of connection.The inner cavity of shell 12 is divided into intake chamber 6 and water-supplying chamber 7 by second flange 15 by cartridge assembly 4, And water inlet 61 is set on intake chamber 6, water outlet 71 is set in water-supplying chamber 7.A main shaft is arranged through bearing in the middle part of cartridge assembly 4 17, it is fixedly connected with flusher 9 on the main shaft 17 on cartridge assembly 4, it is fixed on the main shaft 17 below cartridge assembly 4 Blowdown apparatus 13 is connected, and one end of main shaft 17 is connected through shaft coupling with the output shaft of speed reducer 1, speed reducer 1 is made to drive punching Cleaning device 9 and 13 synchronous rotary of blowdown apparatus, in rotary course, the water outlet of flusher 9 selectivity and Partial filtration chamber 11 Portion 111 is connected, while blowdown apparatus 13 is connected with the water entering section 112 of Partial filtration chamber 11.Recoil is set on flusher 9 Wash water entrance 15, backwashing water entrance 15 is connected through backwash valve 2 with the high-pressure water outlet of water supply pump 18, on blowdown apparatus 13 Waste 14 is set, and waste 14 is connected through blowdown valve 8 with tail water.
To increase backwash and contaminant removal effectiveness, and facilitate the setting of flusher 9 and blowdown apparatus 13, multiple filter chambers 11 It is arranged in two concentric circumferences vertical with main shaft 17, correspondingly, soil cleaning port 161 is divided to inside and outside two circle to set in first flange 16 It sets, flusher 9 includes the galianconism connecting with inner ring soil cleaning port and connect with outer ring soil cleaning port long-armed;Intake-outlet 51 is It is divided to inside and outside two circles setting on two flanges 15, blowdown apparatus 13 includes the galianconism connecting with inner ring intake-outlet and passes in and out with outer ring The mouth of a river connects long-armed.
For the present invention when it is implemented, as shown in figure 4, power station water system is fetched water using tailwater gallery 19, raw water passes through tail Water height difference enters automatic backwash blowdown water filter A filtering, and filtered clean water is delivered to power station after the pressurization of water supply pump 18 Water supply network.
When normal filtration, raw water enters the water inlet of water filter A by water filter intake 20, through 23 sequence of isolating valve of intaking Room 6, filter chamber 11 water entering section 112, carry out raw water filtration through filter cylinder 10, filtered clean water enters the water outlet of filter chamber 11 Portion 111, then give after being pressurizeed by water supply pump 18 to power station water supply network.Speed reducer 1 does not work in halted state, recoil at this time Wash valve 2, blowdown valve 8 is in close state, backwash isolating valve 24, blowdown isolation valve 22 are in normally open.
When reaching washing condition, backwash valve 2 is opened, and the high pressure water after the pressurization of water supply pump 10 is passed through as backwashing water Backwash isolating valve 24 and 2 sequence of backwash valve enter the flusher 9 of automatic backwash blowdown water filter A, while speed reducer 1 Starting drives flusher 9 and 13 synchronous rotary of blowdown apparatus, make the soil cleaning port 161 on each 11 top of filter chamber respectively with The flushing mouth of a river of flusher 9 is connected, and the synchronization of the intake-outlet 51 of each 11 lower part of filter chamber and blowdown apparatus 13 Blowdown entrance is connected, and forms close access with waste 14.Attachment is blocked in 10 inner surface of filter cylinder and is trapped in filter cylinder Dirt impurity inside 10 passes back through filter cylinder 10 using backwashing water, cleans filter cylinder 10, and dirt impurity is then with unlatching Blowdown valve 8 using pressure possessed by backwashing water through blowdown isolation valve 22, tail water from water filter sewage draining exit 21 to high water head Position discharge.Flusher 9 with 13 synchronous rotary of blowdown apparatus one week, by the control of sync bit switch 3, each is filtered Chamber 11 is positioned, timing is rinsed, and it is adjustable that each filter cylinder 10 positions washing time 10s().In the present embodiment, sync bit is opened It closes 3 and preferably uses photoelectric proximity switch.
From the foregoing, it will be observed that backwashing water is taken from the high-pressure water outlet of pressurization water supply pump 18, make backwash fine pressure will not be with tail The variation of water level and change, thus by the complete installing of diagram requirement after, automatic backwash blowdown water filter A of the present invention can realize filter Hydrophone sewage draining exit 21 carries out automatic backwash, and smooth blowdown under the operating condition for having back pressure.

Claims (8)

1. a kind of automatic backwash blowdown water filter, including a shell (12), cartridge assembly (4) are fixed in the shell, It is characterized in that,
The cartridge assembly includes multiple filter chambers (11), is equipped with filter cylinder (10) in each filter chamber, and each filter chamber is by institute It states filter cylinder and is divided into outlet part (111) and water entering section (112), first flange (16) are arranged in the top of multiple filter chambers, multiple mistakes Second flange (5) are arranged in the bottom of filter chamber, and the soil cleaning port being connected to the outlet part of the multiple filter chamber is arranged in first flange (161), the intake-outlet (51) being connected to the water entering section of the multiple filter chamber is set in second flange;
The shell inner cavity is divided into intake chamber (6) and water-supplying chamber (7), and intake chamber by second flange by the cartridge assembly Water outlet (71) are arranged in water-supplying chamber in upper setting water inlet (61);
A main shaft (17) are arranged in the middle part of the cartridge assembly, are fixedly connected with punching on the main shaft on the cartridge assembly Cleaning device (9) is fixedly connected blowdown apparatus (13) on the main shaft under the cartridge assembly, and one end of the main shaft It is connected through shaft coupling with the output shaft of speed reducer (1), the speed reducer is made to drive the flusher and the blowdown apparatus Synchronous rotary switchs (3) by sync bit, makes water outlet of the flusher successively with each filter chamber in rotary course Portion is connected, and the blowdown apparatus is connected with the water entering section for the filter chamber that the flusher is connected to.
2. a kind of automatic backwash blowdown water filter according to claim 1, which is characterized in that the water inlet of the intake chamber Mouthful be connected with tail water, the water outlet of the water-supplying chamber is connect with the water intaking end of water supply pump (18), the flusher with it is described The high-pressure water outlet of water supply pump is connected, and the blowdown apparatus is connected with tail water.
3. a kind of automatic backwash blowdown water filter according to claim 1, which is characterized in that the outside of the shell is set Backwash valve (2) and blowdown valve (8) are set, the flusher is connected to the backwash valve, the blowdown apparatus and the row Dirty valve connection.
4. a kind of automatic backwash blowdown water filter according to claim 3, which is characterized in that set on the flusher It sets backwashing water entrance (15), the flusher is connected through the backwashing water entrance with the backwash valve.
5. a kind of automatic backwash blowdown water filter according to claim 3, which is characterized in that set on the blowdown apparatus It sets waste (14), the blowdown apparatus is connected through the waste with the blowdown valve.
6. a kind of automatic backwash blowdown water filter according to claim 1, which is characterized in that the flusher passes through It rotates bearing shell or rotatory sealing bearing shell docks the soil cleaning port, the blowdown apparatus passes through rotation bearing shell or rotatory sealing bearing shell pair Connect the intake-outlet.
7. a kind of automatic backwash blowdown water filter according to claim 1, which is characterized in that the multiple filter chamber is set It sets in two concentric circumferences of the main shaft;The soil cleaning port is divided to inside and outside two circles setting, the punching in the first flange Cleaning device includes and inside and outside two galianconism that connect of circle soil cleaning port and long-armed;The intake-outlet in the second flange point in, Outer two circles setting, the blowdown apparatus include and inside and outside two galianconism that connect of circle intake-outlet and long-armed.
8. a kind of automatic backwash blowdown water filter according to claim 1, which is characterized in that the sync bit switch For photoelectric proximity switch.
CN201910182798.9A 2019-03-12 2019-03-12 A kind of automatic backwash blowdown water filter Pending CN109701305A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112957791A (en) * 2021-03-17 2021-06-15 王柯峰 Chemical industry is experimental with multi-functional filtration treatment facility

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CN203002071U (en) * 2012-09-04 2013-06-19 杨志江 Multi-filter core filter
CN103938706A (en) * 2013-01-21 2014-07-23 上海熊猫机械(集团)有限公司 Lift pump station for sewage treatment
CN203640995U (en) * 2013-12-18 2014-06-11 自贡川滤设备制造有限公司 Pump inlet automatic back flush filter screen
KR20160108777A (en) * 2015-03-06 2016-09-20 주식회사 파나시아 Ballast water filtering device with enhanced back flush function
CN204601756U (en) * 2015-05-11 2015-09-02 合肥三番水处理设备有限公司 Full-automatic high-precision filter
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