CN2661282Y - Self-cleaning secondary filter screen - Google Patents
Self-cleaning secondary filter screen Download PDFInfo
- Publication number
- CN2661282Y CN2661282Y CN 200320120185 CN200320120185U CN2661282Y CN 2661282 Y CN2661282 Y CN 2661282Y CN 200320120185 CN200320120185 CN 200320120185 CN 200320120185 U CN200320120185 U CN 200320120185U CN 2661282 Y CN2661282 Y CN 2661282Y
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- CN
- China
- Prior art keywords
- web
- shell
- secondary filter
- roll core
- outlet
- 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 - Lifetime
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Abstract
The utility model relates to a filter device and in particular a self-cleaning secondary filter screen; according to the design proposal provided by the utility model, a net core is arranged in a housing; an outlet and an inlet are respectively arranged at the two ends of the housing; a drain pipe is arranged on the housing; one end of the drain pipe extends out of the housing and the other end of the drain pipe is communicated with an exhaust port of a drain bucket; a suction inlet of the drain bucket is positioned on a water inlet of the net core; the drain bucket is arranged on a main axis; the other end of the main axis is connected with a rotating shaft by a tapered gear box; the rotating shaft is connected with an actuator by a reduction gear box; the vertical section of a plurality of net cores are in a trapezoid shape; the bigger end of the net core is a water inlet which faces towards the housing; the smaller end of the net core faces towards the outlet of the housing. The device is in favor of maintenance and improving the filtration efficiency of the filter screen.
Description
Technical field
The utility model relates to filter, refers in particular to a kind of secondary filter with automatic cleaning function.
Background technology
In the prior art, filter screen has only 1～2 face that web plate with holes is arranged, so area of passage is smaller; And; " O " type circle or packing box seal structure are adopted in the sealing of secondary filter transmission device, and this round section joint ring and packing box seal structure can't be adjusted in transmission automatically, promptly leak after the inefficacy; and generally when generating set moves, can't solve, must after shutdown, could change.The traditional secondary filter screen adopts big pinion or sprocket wheel chain drive mechanism, higher through-flow for obtaining, need to do filter screen and secondary filter overall structure hugely, cause transmission device long and big, in the generating set factory building, can't overhaul, wait in the time of to use if wearing and tearing appear in transmission main shaft, have only the integral replacing secondary filter.General secondary filter can only be installed on the horizontal pipe at all can't arrange when the factory building condition restriction.
Summary of the invention
The purpose of this utility model is to design a kind of automatic cleaning secondary filter, with convenient for maintaining and maintenance, improves the filter efficiency of filter screen.
According to design provided by the utility model, web-roll core is arranged in the enclosure, two ends at shell are provided with import and outlet respectively, it is characterized in that: blow-off pipe is set on shell, one end of this blow-off pipe stretches out shell, the other end is communicated with the outlet of blowdown funnel, and the suction inlet of blowdown funnel is positioned at above the water inlet of web-roll core, and blowdown funnel is installed on the main shaft.
The other end of main shaft utilizes the conical tooth roller box to be connected with rotating shaft, and rotating shaft utilizes reduction box to be connected with electrical header.Web-roll core has a plurality of, and the vertical section of each web-roll core is trapezoidal, and the end that web-roll core is bigger is a water inlet, and towards the import of shell, its less end is towards the outlet of shell.
A plurality of web-roll cores be distributed in equably main shaft around, blowdown funnel utilizes outlet to be installed on the main shaft, the end surface shape of outlet is corresponding with the end surface shape of blow-off pipe, the end surface shape of suction inlet is corresponding with the water inlet of web-roll core.Base and dewatering outlet are set on shell, flange is set respectively on import and export.Handwheel is set on electrical header.
In the utility model, the inner parts of crossing water are made up of several same fixedly web-roll core, should not have the web plate with holes except that a side of water inlet by fixing web-roll core, all the other 5 all have web plate with holes, have changed general filter screen and have had only 1～2 face that the structure of web plate with holes is arranged, and have improved the flow area of web plate with holes, under same flow area, web-roll core is smaller and more exquisite, has reduced the structure of fixing web-roll core simultaneously and has used material, has improved economic results in society.Fixedly web-roll core is the cone-shaped of pre-large post-small, approximate trapezoid, meets the fluid state of separating current backwash when switching, and when backwash was flow backwards, the water of rear end was littler than the resistance of rectangular-shaped filter screen the same before and after original relatively, and pollution discharge capability is strong.The physical dimension of this device is little, and import and export and adopted " online " design, can be arranged on horizontal pipe and the vertical pipe according to field condition easily, general secondary filter can only be installed on the horizontal pipe at all can't arrange when the factory building condition restriction.
Description of drawings
Fig. 1 is a structure chart of the present utility model.
The specific embodiment
As shown in the figure: web-roll core 5 is arranged in shell 4, import 2 and outlet 10 are set respectively at the two ends of shell 4, blow-off pipe 1 is set on shell 4, one end of this blow-off pipe 1 stretches out shell 4, the other end is communicated with the outlet 17 of blowdown funnel 3, the suction inlet 16 of blowdown funnel 3 is positioned at above the water inlet of web-roll core 5, and blowdown funnel 3 is installed on the main shaft 15.The other end of main shaft 15 utilizes conical tooth roller box 11 to be connected with rotating shaft 9, and rotating shaft 9 utilizes reduction box 8 to be connected with electrical header 7.Web-roll core 5 has a plurality of, and the vertical section of each web-roll core 5 is trapezoidal, and web-roll core 5 bigger ends are water inlet, and towards the import 2 of shell 4, its less end is towards the outlet 10 of shell 4.A plurality of web-roll cores 5 be distributed in equably main shaft 15 around, blowdown funnel 3 utilizes outlet 17 to be installed on the main shaft 15, the end surface shape of outlet 17 is corresponding with the end surface shape of blow-off pipe 1, and the end surface shape of suction inlet 16 is corresponding with the water inlet of web-roll core 5, and is unimpeded to guarantee current.
General secondary filter adopts big pinion or sprocket wheel chain drive mechanism, secondary filter higher is through-flowly done filter screen and secondary filter overall structure hugely for obtaining, caused transmission device long and big, in the generating set factory building, can't overhaul at all, in the time of can't using if wearing and tearing appear in transmission main shaft, has only the integral replacing secondary filter.Transmission device of the present utility model has spindle unit, the angular wheel box part, rotating axis component three most compositions, transmission main shaft generally is no more than 1.5 meters length, other parts all adopt dismountable bolt connection structure, when if some parts produces maintenance of fault palpus or replacing, all can greatly facilitate service work by manhole in the maintenance of secondary filter outside.
During work, the water that needs to handle is in import 2 enters shell 4, water inlet through web-roll core 5 enters in the web-roll core 5 again, after water passes the web plate with holes that constitutes web-roll core 5, discharge through exporting 10, impurity is trapped within the web-roll core 5, motor drives rotating shafts 9 by electrical header 7 and rotates with main shaft 15, drives blowdown funnel 3 again and rotates, and makes above the water inlet of certain web-roll core 5 that the suction inlet 16 of blowdown funnel 3 moves, then under computer program control, stay for some time, in the retention period, the valve open on the blow-off pipe 1, because blow-off pipe 1 is under the atmospheric pressure, therefore, be in the shell 4 in water under the barotropic state can recoil web-roll core 5 from the outside of web-roll core 5, the impurity that is adsorbed in web-roll core 5 inwalls is washed away, and enter in the blow-off pipe 1 through the suction inlet 16 of blowdown funnel 3 and outlet 17 and to be excluded, finish the backwash process of a web-roll core 5.After finishing, motor drives again above the water inlet that blowdown funnel 3 turns to another web-roll core 5, and another web-roll core 5 is carried out backwash, so goes round and begins again, and in the process of secondary filter continuous operation, finishes the backwash to web-roll core 5.
Outside in main shaft 15 and rotating shaft 9 is provided with the sleeve pipe 18,19 that seals respectively, web-roll core 5 utilizes support 20 to be installed in the shell 4, main shaft 15 utilizes bearing to be installed on the support 20, at main shaft 15 and 20 on support rotary shaft lip seal 21 is set, a ring spring is arranged in the seal lip of rotary shaft lip seal 21." O " type circle or packing box seal structure are adopted in the transmission device sealing of general secondary filter, and the rotatable parts of the utility model inside sealing having increased rotary shaft lip seal, because the seal lip of rotary shaft lip seal has a ring spring, no matter whether the seal lip of sealing ring weares and teares, under the effect of spring force, make seal lip be close to the surface that is included in main shaft 15 all the time, form effective seal, prevent to use after a period of time because of leakage failure, cause the damage of parts such as bearing, reduced maintenance load.And round section joint ring and packing box seal structure can't be adjusted in transmission automatically, promptly leak after the inefficacy, and generally can't solve when generating set moves, and must could change after shutdown.
Claims (7)
1, cleans secondary filter automatically, web-roll core (5) is arranged in shell (4), import (2) and outlet (10) are set respectively at the two ends of shell (4), it is characterized in that: blow-off pipe (1) is set on shell (4), one end of this blow-off pipe (1) stretches out shell (4), the other end is communicated with the outlet (17) of blowdown funnel (3), and the suction inlet (16) of blowdown funnel (3) is positioned at above the water inlet of web-roll core (5), and blowdown funnel (3) is installed on the main shaft (15).
2, secondary filter according to claim 1 is characterized in that: the other end of main shaft (15) utilizes reduction box (11) to be connected with rotating shaft (9), and rotating shaft (9) utilizes reduction box (8) to be connected with electrical header (7).
3, secondary filter according to claim 1, it is characterized in that: web-roll core (5) has a plurality of, and the vertical section of each web-roll core (5) is trapezoidal, and the end that web-roll core (5) is bigger is a water inlet, and towards the import (2) of shell (4), its less end is towards the outlet (10) of shell (4).
4, secondary filter according to claim 1, it is characterized in that: a plurality of web-roll cores (5) be distributed in equably main shaft (15) around, blowdown funnel (3) utilizes outlet (17) to be installed on the main shaft (15), the end surface shape of outlet (17) is corresponding with the end surface shape of blow-off pipe (1), and the end surface shape of suction inlet (16) is corresponding with the water inlet of web-roll core (5).
5, secondary filter according to claim 1 is characterized in that: base (14) and dewatering outlet (13) are set on shell (4), flange (12) is set respectively on import and export (2), (10).
6, secondary filter according to claim 2 is characterized in that: handwheel (6) is set on electrical header (7).
7, secondary filter according to claim 1, it is characterized in that: sleeve pipe (18) is arranged in the outside of main shaft (15), web-roll core (5) utilizes support (20) to be installed in the shell (4), main shaft (15) utilizes bearing to be installed on the support (20), between main shaft (15) and support (20), rotary shaft lip seal (21) is set, a ring spring is arranged in the seal lip of rotary shaft lip seal (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320120185 CN2661282Y (en) | 2003-12-01 | 2003-12-01 | Self-cleaning secondary filter screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320120185 CN2661282Y (en) | 2003-12-01 | 2003-12-01 | Self-cleaning secondary filter screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2661282Y true CN2661282Y (en) | 2004-12-08 |
Family
ID=34347917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320120185 Expired - Lifetime CN2661282Y (en) | 2003-12-01 | 2003-12-01 | Self-cleaning secondary filter screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2661282Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105508615A (en) * | 2016-01-27 | 2016-04-20 | 江苏电力装备有限公司 | Elastic sealing device for sewage discharging bucket of nuclear-grade high-precision electric filter |
| CN105944423A (en) * | 2016-06-24 | 2016-09-21 | 江苏英瑞环保科技有限公司 | Self-washing type secondary filter screen |
| CN108635954A (en) * | 2018-06-25 | 2018-10-12 | 安徽唯宝印刷科技有限公司 | A kind of fountain solution compensation cycle system |
-
2003
- 2003-12-01 CN CN 200320120185 patent/CN2661282Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105508615A (en) * | 2016-01-27 | 2016-04-20 | 江苏电力装备有限公司 | Elastic sealing device for sewage discharging bucket of nuclear-grade high-precision electric filter |
| CN105508615B (en) * | 2016-01-27 | 2018-01-23 | 江苏电力装备有限公司 | Core level high-precision electric filter blowdown funnel elastic sealing device |
| CN105944423A (en) * | 2016-06-24 | 2016-09-21 | 江苏英瑞环保科技有限公司 | Self-washing type secondary filter screen |
| CN108635954A (en) * | 2018-06-25 | 2018-10-12 | 安徽唯宝印刷科技有限公司 | A kind of fountain solution compensation cycle system |
| CN108635954B (en) * | 2018-06-25 | 2024-02-27 | 北京信诚世纪科技有限公司 | Fountain solution compensation circulation system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Free format text: FORMER NAME OR ADDRESS: NONE HONGXIANG ELECTRIC AUXILIARIES PLANT, WUXI |
|
| CP03 | Change of name, title or address |
Address after: 214161 lakes in Jiangsu province Wuxi City foreshore Hudai town Patentee after: Wuxi Hongxiang Auxiliary Power Co., Ltd. Address before: 214161 lakes in Jiangsu province Wuxi City foreshore Hudai town Patentee before: Wuxi Hongxiang Electric Power Auxiliary Machinery Plant |
|
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 214161 lakes in Jiangsu province Wuxi City foreshore Hongxiang Hudai Town Village Soup Lane No. 35 Patentee after: Wuxi Hongxiang Auxiliary Power Co., Ltd. Address before: 214161 lakes in Jiangsu province Wuxi City foreshore Hudai town Patentee before: Wuxi Hongxiang Auxiliary Power Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20131201 Granted publication date: 20041208 |