CN2569875Y - Automatic backflush filter - Google Patents
Automatic backflush filter Download PDFInfo
- Publication number
- CN2569875Y CN2569875Y CN 02264574 CN02264574U CN2569875Y CN 2569875 Y CN2569875 Y CN 2569875Y CN 02264574 CN02264574 CN 02264574 CN 02264574 U CN02264574 U CN 02264574U CN 2569875 Y CN2569875 Y CN 2569875Y
- Authority
- CN
- China
- Prior art keywords
- filter
- filter element
- transmission shaft
- pivoted arm
- blowoff valve
- 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.)
- Expired - Fee Related
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- Filtration Of Liquid (AREA)
Abstract
The utility model relates to an automatic back flushing filter which comprises a casing and a filter element, wherein a filter liquid inlet and a purified liquid outlet are arranged on the casing, and the filter element is fixed on an intermediate disk in the casing. The utility model is characterized in that the filter also comprises a back flushing device composed of a driving device, a transmission shaft, a tubular rotating arm, a blowoff valve and a differential pressure control device, wherein the transmission shaft is connected with the driving device; the rotating arm is connected with the transmission shaft; a spout of the rotating arm and an inlet of the filter element are positioned at the same circumference and are mutually butted; the blowoff valve is arranged on a blowoff pipe communicated with the rotating arm; the driving device and the blowoff valve are controlled by the differential pressure control device. The utility model has the advantages of continuous filtration, automatic back flushing for pollution discharge, compact structure, smooth and stable operation, large treating capacity, low running cost, long service life, etc., and simultaneously implement back flushing for pollution discharge as well as filter operation without influencing normal liquid feed because the automatic filter automatically cleans and discharges pollution the in the operational process of equipment.
Description
One, technical field
The utility model relates to a kind of filter, is mainly used in the coarse filtration and the smart filter of unit cooling water, industrial circulating water, fire demand water, solvent, brewery's alkali lye recovery and other similar suspension, particularly a kind of automatic backwash filter.
Two, background technology
In general filter, along with the continuation of filter process, the solid phase impurity in the liquid is trapped in filter element surface, causes that increase falls in pressure, and filtration resistance increases, and filter efficiency descends.At this moment generally need to interrupt filter operation, replacing filter element or taking-up are cleaned, and be not only time-consuming but also bothersome, influences treatment effeciency.
Three, summary of the invention
1, goal of the invention: the purpose of this utility model, provide a kind ofly in normal filtration work, can carry out the automatic backwash filter that blowdown is cleaned.
2, technical scheme: for achieving the above object, automatic backwash filter described in the utility model, comprise housing and filter element, on housing, be provided with and treat filtrate inlet and purified liquor outlet, filter element is fixed on the interior telophragma of housing, it is characterized in that this filter also comprises by drive unit, power transmission shaft, the tubulose pivoted arm, the back purge system that blowoff valve and differential pressure control device constitute, power transmission shaft is connected with drive unit, pivoted arm is connected with power transmission shaft, the mouth of pipe of pivoted arm and the inlet of filter element are positioned on the same circumference, and can dock mutually, on the blow-off pipe that blowoff valve is installed in pivoted arm is communicated with, drive unit and blowoff valve are controlled by the differential pressure control device.
On the mouth of pipe of described pivoted arm, be provided with the sealing, the device of wear compensation that constitute by flexible pipe and spring.
Described drive unit is made of motor and speed reducer.
Described pivoted arm can be single armed or both arms, and its mouth of pipe corresponds respectively to filter element and the two inlet that encloses the filter element of arranging that individual pen is arranged.
Operation principle of the present utility model is: the filtration of this filter and backwash motive force provide by material liquid pressure head or pump lift.It is constant that the pressure of system's filter chamber keeps substantially, and liquid outwards flows from the inner chamber of filter element, entrained solid impurity the inner surface that dammed at filter element, and exocoel pressure reduction raises in causing, and filtration resistance increases gradually.When interior exocoel pressure reduction surpassed a certain setting value of differential pressure control device, the differential pressure control device sent signal, and the control electric motor starting drives pivoted arm and rotates, and opens the blowoff valve in blow-off pipe exit simultaneously.When the mouth of pipe of pivoted arm goes to the inlet of a certain filter element, counter-flushing pipeline and this filter element inner chamber are connected, and under filtrate pressure and the promotion of atmospheric pressure difference, filtrate is oppositely passed filter element, filter element obtains flushing on the one hand, and dirt is discharged automatically on the other hand.Pivoted arm rotates a week, and each filter element all obtains a backwash, regeneration, so circulation.So avoided frequent replacing filter element or manually cleaned filter core, improved production efficiency, can save a large amount of time, labour and financial resources.By selecting filter element can satisfy different required precisions, generally can reach 10 μ m even higher.Whole filtration and backwash process are controlled automatically, need not artificial participation, and the back flush action is by differential pressure control device (differential pressure size reflection filter core chocking-up degree) control, and the back flush time is set up by PLC.Cleaning area accounts for very fraction of total filter area in cleaning process, and flushing pressure reduction is big, and the counter-flushing liquid consumption is little like this, filter process continuous, fluctuation is little, flush efficiency is high.
Unique rotatable parts are backwash arms in the machine, and its rotating speed is low, and the operation balance has the wear automatic-compensation function simultaneously, good seal performance, and maintenance cost is low.
3, beneficial effect: the utility model compared with prior art, its remarkable advantage is: this kind filter has that continuous filtration, automatic backwash blowdown, compact conformation, running are steadily reliable, advantages such as treating capacity is big, operating cost is low, long service life.The cleaning of this automatic fitration machine, blowdown process are carried out in equipment running process automatically, in sewage backwash, still can carry out filter operation, do not influence normal feed flow.
Four, description of drawings
Accompanying drawing is the utility model structural representation.
Wherein: 1-housing, 2-filter element, 3-treat filtrate inlet, 4-purified liquor outlet, 5-telophragma, 6-drive unit, 7-power transmission shaft, 8-pivoted arm, 9-blowoff valve, 10-differential pressure control device, 11-blow-off pipe, 12-sealing wear compensation arrangement.
Five, the specific embodiment
This practical newly-designed automatic backwash filter comprises housing 1, filter element 2, treats filtrate inlet 3, purified liquor outlet 4, telophragma 5, drive unit 6, power transmission shaft 7, pivoted arm 8, blowoff valve 9, differential pressure control device 10, blow-off pipe 11 and sealing wear compensation arrangement 12.Housing 1 is a tubular, and two ends are hemispherical up and down, and filter element 2 is fixed on the telophragma 5, evenly distributes on inside and outside two circumference, has guaranteed to have maximum filter area in the stationary housing volume.Each filter element 2 is cylindric, adopt stainless steel weaving or stainless steel fibre sintering net and inside and outside skeleton and the welding of last low head, stainless steel weaving or stainless steel fibre sintering net gap are selected according to filtering the feed liquid technological requirement, also be welded with the multiple tracks hoop at length direction, this filter element not only has the rigidity and the intensity of enough resistance to deformations, and the precision of can strict guarantee filtering.Drive unit 6 is made up of motor, reductor, drives power transmission shaft 7 and slowly runs, and it is big to have a moment of torsion, characteristics such as reliability height, as the obstruction that meets accident, and when moment of torsion exceeded the design maximum value, electric prospection system autostop also sent alarm signal.Tubulose pivoted arm 8 adopts arm structure, the filter element that the corresponding respectively inside and outside circle of its mouth of pipe is placed.Pivoted arm is connected to power transmission shaft 7, is unique rotatable parts in the machine, and rotating speed is low, operate steadily, simultaneously be provided with the device 12 that is made of flexible pipe and spring at its mouth of pipe, this device has good seal performance, wear automatic-compensation function, has guaranteed that backwash realizes smoothly and the operation of machine normal reliable.The double-contact differential pressure controller that differential pressure control device 10 adopts German oceanic rise (HERION) technology to produce, adopt the sensor of bellows-type to can be used for liquid mediums such as neutral gas such as air, gas, steam and water, oil plant, cold-producing medium, the setting value of controller is adjustable, adjustable range 0.02-1.6Mpa, working pressure range 0.05-2.5Mpa.The electronic rubber lined diaphragm that the blowoff valve 9 that is connected with blow-off pipe 11 selects for use this (Saunders) technology of Britain's moral and vital part to produce, be particularly suitable for the big filter residue of silt content, can not be not closed completely and reveal, have simultaneously and use advantages such as reliable, that the life-span is long because of torque overload is stuck.
Claims (4)
1, a kind of automatic backwash filter, comprise housing (1) and filter element (2), on housing (1), be provided with and treat filtrate inlet (3) and purified liquor outlet (4), filter element (2) is fixed on the interior telophragma (5) of housing (1), it is characterized in that this filter also comprises by drive unit (6), power transmission shaft (7), tubulose pivoted arm (8), the back purge system that blowoff valve (9) and differential pressure control device (10) constitute, power transmission shaft (7) is connected with drive unit (6), pivoted arm (8) is connected with power transmission shaft (7), the inlet of the mouth of pipe of pivoted arm (8) and filter element (2) is positioned on the same circumference, and can dock mutually, blowoff valve (9) is installed on the blow-off pipe (11) that is communicated with pivoted arm (8), and drive unit (6) and blowoff valve (9) are subjected to differential pressure control device (10) control.
2, automatic backwash filter according to claim 1 is characterized in that being provided with the sealing, the device of wear compensation (12) that are made of flexible pipe and spring on the mouth of pipe of described pivoted arm (8).
3, automatic backwash filter according to claim 1 is characterized in that described drive unit (6) is made of motor and speed reducer.
4, automatic backwash filter according to claim 1 and 2 is characterized in that described pivoted arm (8) is single armed or arm structure, and its mouth of pipe corresponds respectively to filter element and the two inlet that encloses the filter element of arranging that individual pen is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02264574 CN2569875Y (en) | 2002-09-24 | 2002-09-24 | Automatic backflush filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02264574 CN2569875Y (en) | 2002-09-24 | 2002-09-24 | Automatic backflush filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2569875Y true CN2569875Y (en) | 2003-09-03 |
Family
ID=33730764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02264574 Expired - Fee Related CN2569875Y (en) | 2002-09-24 | 2002-09-24 | Automatic backflush filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2569875Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102225271A (en) * | 2011-04-25 | 2011-10-26 | 自贡川滤设备制造有限公司 | Positioning composite sewage filter |
| CN102921231A (en) * | 2012-11-13 | 2013-02-13 | 江苏科技大学 | Fully-automatic back-flushing type self-cleaning filter |
| CN103857453A (en) * | 2011-10-13 | 2014-06-11 | 泛亚有限公司 | High-efficiency candle-type device for filtering ballast water having high-density filter structure |
| CN108525373A (en) * | 2018-07-03 | 2018-09-14 | 湖州高盛环保科技有限公司 | A kind of backpulsing water filtering device |
-
2002
- 2002-09-24 CN CN 02264574 patent/CN2569875Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102225271A (en) * | 2011-04-25 | 2011-10-26 | 自贡川滤设备制造有限公司 | Positioning composite sewage filter |
| CN103857453A (en) * | 2011-10-13 | 2014-06-11 | 泛亚有限公司 | High-efficiency candle-type device for filtering ballast water having high-density filter structure |
| CN103857453B (en) * | 2011-10-13 | 2016-04-06 | 泛亚有限公司 | The high efficiency pillar ballast water filter of high density filter device structure |
| CN102921231A (en) * | 2012-11-13 | 2013-02-13 | 江苏科技大学 | Fully-automatic back-flushing type self-cleaning filter |
| CN102921231B (en) * | 2012-11-13 | 2014-11-05 | 江苏科技大学 | Fully-automatic back-flushing type self-cleaning filter |
| CN108525373A (en) * | 2018-07-03 | 2018-09-14 | 湖州高盛环保科技有限公司 | A kind of backpulsing water filtering device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |