CN201101915Y - On-line automatic backwash filter of recirculated water - Google Patents
On-line automatic backwash filter of recirculated water Download PDFInfo
- Publication number
- CN201101915Y CN201101915Y CNU2008200163278U CN200820016327U CN201101915Y CN 201101915 Y CN201101915 Y CN 201101915Y CN U2008200163278 U CNU2008200163278 U CN U2008200163278U CN 200820016327 U CN200820016327 U CN 200820016327U CN 201101915 Y CN201101915 Y CN 201101915Y
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- China
- Prior art keywords
- valve
- cartridge filter
- filter
- sleeve
- recirculated water
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Abstract
The utility model discloses a circulating water online automatic backwashing filter unit, which belongs to the water treatment equipment field and comprises a sleeve. A filter cylinder is arranged in the sleeve, an inner reversing valve is arranged at the upper end of the filter cylinder, an outer reversing valve is arranged between the upper end of the filter cylinder and the inner wall of the sleeve, a blowing tube is arranged on the cylinder wall of the filter cylinder, a drain valve is arranged in the blowing tube, and the drain valve, the inner reversing valve and the outer reversing valve are connected with a valve controller which is electrically connected with a digital detection controller. A pressure sensor 1 is arranged at the lower end of the filter cylinder, a pressure sensor 2 is arranged on the inner wall of the sleeve at the lower end of the corresponding filter cylinder, and the pressure sensors 1 and 2 are electrically connected with the digital detection controller. The unit has the filtering function and also has the online automatic backwashing function.
Description
Technical field
The utility model relates to a kind of water treatment facilities.
Background technology
In industries such as iron and steel, power plant and chemical industry, all use cooling circulating water system at present.Recirculated water can contain a large amount of suspensions, algae substances and zwitterion after repeatedly utilizing, cause in the circulation easily and harden, block, and reduces heat exchange efficiency.When the suspension in the recirculated water reaches a certain amount of the cleaning, need circulation to quit work, reduced production efficiency, recirculated water can not reuse, and has caused the waste of water resource.
Summary of the invention
Task of the present utility model is to provide a kind of on-line automatic backwash filter of recirculated water, and it has on-line automatic backwashing function, and recirculated water such as can reuse at advantage.
Its technical solution is: on-line automatic backwash filter of recirculated water, comprise sleeve, be provided with cartridge filter in the sleeve, be provided with interior reversal valve in the upper end of cartridge filter, be provided with outer reversal valve between the upper end of cartridge filter and the sleeve lining, offer mudhole on the cartridge filter barrel of interior reversal valve below, offer through hole on the sleeve wall of mudhole correspondence, be provided with blow-off pipe between mudhole and the through hole, be provided with blowoff valve in the blow-off pipe, blowoff valve, interior reversal valve is connected with valve positioner with outer reversal valve, valve positioner detects controller with digitlization and is electrically connected, be provided with pressure sensor I in the lower end of cartridge filter, the sleeve lining of corresponding cartridge filter lower end is provided with pressure sensor II, and pressure sensor I and II detect controller with digitlization and be electrically connected.
Above-mentioned sleeve adopts cylindrical structural, and cartridge filter also adopts cylindrical structural, and cartridge filter is fixed on the sleeve lining by the insulation bracing frame of top and bottom with the coaxial setting of sleeve, cartridge filter.
Offer filter opening on the sidewall of above-mentioned cartridge filter, the blind plate sealing is adopted in the lower end of cartridge filter, and pressure sensor I is arranged on the upper surface of blind plate.
Above-mentioned outer reversal valve is made up of two semi-round ring shape valve block butt joints, two semi-round ring shape valve blocks can rotate mutually around butted line, each semi-round ring shape valve block is provided with rotating shaft at the butted line place, and every rotating shaft all is connected with hydraulic cylinder by drive link, and hydraulic cylinder is connected with hydraulic power unit.
The interior reversal valve of above-mentioned cartridge filter upper end adopts butterfly valve, is connected with hydraulic cylinder by drive link, and hydraulic cylinder also is connected with blowoff valve by drive link.
Above-mentioned digitlization detects controller and comprises single-chip microcomputer processing unit, driver element, communication transmission unit, liquid crystal man-machine interface, password rights management and parameter set unit.
The beneficial effects of the utility model are: by this device is arranged in the circulation, when current are flowed through this device, impurity such as the suspension in the water are stayed in the cartridge filter, clean water enters into circulation, when the suspension in the cartridge filter reaches certain amount, digitlization detects controller control hydraulic power unit, close by reversal valve in the Driven by Hydraulic Cylinder, driving outer reversal valve and blowoff valve opens, suspension in the cartridge filter is drained by blow-off pipe, realize online automatic backwash function.
Description of drawings
Fig. 1 is a side of the present utility model sectional structure schematic diagram;
Fig. 2 is a plan structure schematic diagram of the present utility model.
Below in conjunction with accompanying drawing the utility model is described:
The specific embodiment
Shown in accompanying drawing 1,2, on-line automatic backwash filter of recirculated water comprises cylindrical sleeve 1, is provided with coaxial cylindrical cartridge filter 2 in the cylindrical sleeve 1, and cartridge filter 2 is fixed on the sleeve lining by the insulation bracing frame 4 of top and bottom.Reversal valve 3 outside between the inwall of the upper end of cartridge filter 2 and sleeve 1, being provided with, outer reversal valve 3 is made up of two semi-round ring shape valve blocks 31 and 32 butt joints, and semi-round ring shape valve block 31 and 32 can center on butted line and rotate mutually.The upper port of cartridge filter 2 is provided with interior reversal valve 21, and interior reversal valve 21 adopts butterfly valve, has filter opening on the sidewall of cartridge filter 2, and the lower port of cartridge filter 2 is by blind plate 22 sealings.On the cartridge filter sidewall below the interior reversal valve 21, offer mudhole 23, on the sleeve lateral wall of corresponding mudhole 21, offer through hole, be provided with blow-off pipe 24 between through hole and the mudhole 23, be provided with blowoff valve 25 in the blow-off pipe 24.Blind plate 22 upper surfaces in cartridge filter 2 lower ends are provided with pressure sensor 5, and the sleeve lining below the blind plate 22 is provided with pressure sensor 6, and pressure sensor 5 and 6 detects controller 7 with digitlization and is electrically connected.
Above-mentioned semi-round ring shape valve block 31 is provided with rotating shaft 311 at the butted line place, semi-round ring shape valve block 32 is provided with rotating shaft 321 at the butted line place, rotating shaft 311 is connected with hydraulic cylinder 8 by drive link with 321, hydraulic cylinder 8 is controlled the opening and closing of valve block 31 and 32 by control rotating shaft 311 and 321, hydraulic cylinder 8 is connected with hydraulic power unit 9,8 motions of hydraulic power unit 9 control hydraulic cylinders, hydraulic cylinder 8 also is connected with interior reversal valve 21 by drive link, the opening and closing of reversal valve 21 in the control, hydraulic cylinder 8 also is connected with blowoff valve 25 by drive link simultaneously, the opening and closing of control blowoff valve 25; Hydraulic cylinder 8 control valve blocks 31,32 and blowoff valve opening and closing simultaneously, when valve block 31,32 was closed, reversal valve 21 was opened in hydraulic cylinder 8 controls, and when valve block 31,32 was opened, reversal valve 21 cut out in hydraulic cylinder 8 controls.
Above-mentioned digitlization detects controller 7 and is electrically connected with hydraulic power unit 9.Digitlization detects the force value that controller 7 is gathered pressure sensor 5 and pressure sensor 6 in real time, determines the pressure reduction of two pressure sensors, in real time the state of control outer reversal valve 3, interior reversal valve 21 and blowoff valve 25.
Above-mentioned digitlization detects controller 7 and comprises single-chip microcomputer processing unit, driver element, communication transmission unit, liquid crystal man-machine interface, password rights management and parameter set unit.The pressure information that single-chip microcomputer processing unit processes pressure sensor 5,6 collects, determine whether pressure differential drops in the number range of parameter set unit setting, determine whether driver element drives hydraulic power unit work, the communication transmission unit can be uploaded to host computer in real time with running parameter, the liquid crystal man-machine interface can allow the operator finish the different controls that require of different cycle waters, and the password rights management can prevent the requirement of malice change running parameter.
This on-line automatic backwash filter of recirculated water has two kinds of duties: filter duty and backwash duty.Digitlization detects the force value that controller is gathered pressure sensor 5 and pressure sensor 6 in real time, and the state of outer reversal valve 3, interior reversal valve 21 and blowoff valve 25 is realized filtering and the backwash conversion of operation state.
Filter duty: recirculated water flows through from top to bottom, interior reversal valve 21 is opened, outer reversal valve 3 cuts out, blowoff valve 25 cuts out, recirculated water enters cartridge filter by the interior reversal valve of opening 21, impurity such as suspension are stayed in the cartridge filter, and clean water flows out from the filter opening on the cartridge filter sidewall, flows through in the circulation.
Backwash duty: when suspended contamination filters the amount that reaches certain, when the pressure in the cartridge filter and its external pressure reach certain pressure differential, digitlization detects controller and starts hydraulic power unit work, open by hydraulic cylinder outer reversal valve of control and blowoff valve, interior reversal valve cuts out, this moment, circulating water flow flowed into cartridge filter inside by the passage between sleeve and cartridge filter, suspended contamination is discharged by blow-off pipe, finish backwashing function, flushing finishes, and device automatically restores to the filtration duty.
Certainly, protection domain of the present utility model is not limited to the foregoing description, so long as those of ordinary skill in the art, according to the utility model without creatively improving, just should be within protection domain of the present utility model.
Claims (6)
1, on-line automatic backwash filter of recirculated water, it is characterized in that comprising sleeve, be provided with cartridge filter in the sleeve, be provided with interior reversal valve in the upper end of cartridge filter, be provided with outer reversal valve between the upper end of cartridge filter and the sleeve lining, offer mudhole on the cartridge filter barrel of interior reversal valve below, offer through hole on the sleeve wall of mudhole correspondence, be provided with blow-off pipe between mudhole and the through hole, be provided with blowoff valve in the blow-off pipe, blowoff valve, interior reversal valve is connected with valve positioner with outer reversal valve, valve positioner detects controller with digitlization and is electrically connected, be provided with pressure sensor I in the lower end of cartridge filter, the sleeve lining of corresponding cartridge filter lower end is provided with pressure sensor II, and pressure sensor I and II detect controller with digitlization and be electrically connected.
2, on-line automatic backwash filter of recirculated water according to claim 1, it is characterized in that described sleeve adopts cylindrical structural, cartridge filter also adopts cylindrical structural, and cartridge filter is fixed on the sleeve lining by the insulation bracing frame of top and bottom with the coaxial setting of sleeve, cartridge filter.
3, on-line automatic backwash filter of recirculated water according to claim 1 and 2 is characterized in that offering filter opening on the sidewall of described cartridge filter, and the blind plate sealing is adopted in the lower end of cartridge filter, and pressure sensor I is arranged on the upper surface of blind plate.
4, on-line automatic backwash filter of recirculated water according to claim 1, it is characterized in that described outer reversal valve is made up of the butt joint of two semi-round ring shape valve blocks, two semi-round ring shape valve blocks can rotate mutually around butted line, each semi-round ring shape valve block is provided with rotating shaft at the butted line place, every rotating shaft all is connected with hydraulic cylinder by drive link, and hydraulic cylinder is connected with hydraulic power unit.
5, on-line automatic backwash filter of recirculated water according to claim 1 is characterized in that the interior reversal valve of described cartridge filter upper end adopts butterfly valve, is connected with hydraulic cylinder by drive link, and hydraulic cylinder also is connected with blowoff valve by drive link.
6, on-line automatic backwash filter of recirculated water according to claim 1 is characterized in that described digitlization detects controller and comprises single-chip microcomputer processing unit, driver element, communication transmission unit, liquid crystal man-machine interface, password rights management and parameter set unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200163278U CN201101915Y (en) | 2008-01-14 | 2008-01-14 | On-line automatic backwash filter of recirculated water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200163278U CN201101915Y (en) | 2008-01-14 | 2008-01-14 | On-line automatic backwash filter of recirculated water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201101915Y true CN201101915Y (en) | 2008-08-20 |
Family
ID=39948933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200163278U Expired - Fee Related CN201101915Y (en) | 2008-01-14 | 2008-01-14 | On-line automatic backwash filter of recirculated water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201101915Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102657970A (en) * | 2012-05-09 | 2012-09-12 | 厦门建霖工业有限公司 | Back-flushing control device of pre-filter |
| US20140048491A1 (en) * | 2012-08-15 | 2014-02-20 | Green Age Technologies Llc | Fluid filtration system |
-
2008
- 2008-01-14 CN CNU2008200163278U patent/CN201101915Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102657970A (en) * | 2012-05-09 | 2012-09-12 | 厦门建霖工业有限公司 | Back-flushing control device of pre-filter |
| US20140048491A1 (en) * | 2012-08-15 | 2014-02-20 | Green Age Technologies Llc | Fluid filtration system |
| US9115013B2 (en) * | 2012-08-15 | 2015-08-25 | Green Age Technologies Llc | Fluid filtration system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080820 |