CN104436792A - Explosion-proof-type full-automatic reverse-washing filter - Google Patents
Explosion-proof-type full-automatic reverse-washing filter Download PDFInfo
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- CN104436792A CN104436792A CN201410687524.2A CN201410687524A CN104436792A CN 104436792 A CN104436792 A CN 104436792A CN 201410687524 A CN201410687524 A CN 201410687524A CN 104436792 A CN104436792 A CN 104436792A
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Abstract
The invention provides an explosion-proof-type full-automatic reverse-washing filter which further comprises a pneumatic motor, a plurality of tubular filter elements and a control box, wherein the pneumatic motor is fixed on a motor fixed seat at the top of a cylinder barrel; the control box is fixed on one side wall of the cylinder barrel; an output shaft of the pneumatic motor is connected with a blow-off pipe and drives the blow-off pipe to rotate; a tray perpendicular to the inner wall of the cylinder barrel is arranged in the middle of the inner wall of the cylinder barrel; the external diameter of the tray is equal to the diameter of the inner wall of the cylinder barrel; the tubular filter elements are connected to the tray in an encircling manner; the distances from the filter elements to the center of the tray are the same. According to the explosion-proof-type full-automatic reverse-washing filter, a pneumatic source can adopt compressed air in a dry fog system, and is fused with the dry fog system well, a complex power connecting circuit is omitted, and the system is safer and more stable.
Description
Technical field
The present invention relates to a kind of explosion-proof type gas control full-automatic back washing filter, belong to field of mechanical technique.
Background technology
Back flush type filter, when the pressure reduction of filter reaches preset value, automatic cleaning process will be started, water purification supply around here continues to flow, cleaning valve is opened, and in purge chamber and dirt sucking device, hydraulic pressure significantly declines, by the pressure differential of filter cylinder and dirt sucking tube, produce a suction by suction nozzle between dirt sucking tube and purge chamber, form a soil pick-up process.Meanwhile, power motor drives dirt sucking tube to spin vertically motion.Whole filter screen inner surface cleans up by the combination of dirt sucking device axially-movable and rotary motion completely, and whole flushing process only needs several tens of seconds, and blowoff valve cuts out at the end of cleaning, and filter starts to prepare next flushing cycle.
On August 29th, 2012 announces a kind of automatic backwashing filter, the patent No. is 201110020716.4, it comprises valve body, choke plug, turn liquid plate, electromagnetic priority valve, valve body has two identical valve pockets and left and right working chamber, inlet and leakage fluid dram is drilled with on the left of valve body, inlet is connected with left and right working chamber with leakage fluid dram, filter core chamber is had on the downside of valve body, drill through with two apertures respectively with filter core chamber on the downside of the working chamber of left and right and communicate, main valve plug assembly is installed in valve body, element kit, fluid joint, valve pocket, spring, valve seat, guide pin bushing, spool, piston and screw plug are threaded connection composition main valve plug assembly, main valve plug assembly integrally plug connector loads valve pocket, reinforcing spring is provided with in element kit, element kit loads on the downside of valve body also to be fixed with fluid joint, electromagnetic priority valve adopts trip bolt two and trip bolt by turning liquid plate and valve body is fixed.
But existing back flush type filter, its type of drive all adopts driven by power, if being applied to by this kind of filter compares in rugged environment, as subsurface environment, this kind of requirement of environment to security is higher, and the complicated circuit of various electrical equipment connects, and easily has an accident under this kind of adverse circumstances, cannot reach explosion-proof criteria, security is low.Therefore, be now badly in need of a kind of in dry fog dust pelletizing system, water route filter explosion-proof type pneumatic control full-automatic back washing filter.
Summary of the invention
The invention provides a kind of explosion-proof type gas control full-automatic back washing filter, pneumatic source can with the compressed air in dry fog system, and better and dry fog system globe area, eliminate complicated road of connecting wires, system is safer, more stable.
For solving above technical problem, the invention provides following technical scheme: comprise cylinder barrel, water inlet pipe and outlet pipe, outlet pipe and water inlet pipe are separately positioned on the both sides of cylinder barrel, and described filter also comprises air motor, the filter core of tubulose and control cabinet; Described air motor is fixed on the motor fixing base at cylinder barrel top, and control cabinet is fixed on cylinder barrel sidewall; Air motor output shaft connects blow-off pipe and drives blow-off pipe to rotate, and be provided with the pallet of vertical inner wall of cylinder in the middle part of inner wall of cylinder, pallet external diameter equals inner wall of cylinder diameter; Filter core is provided with multiple, around being connected on pallet, and equidistant all with tray center of each filter core, the bore of each filter core mouth of pipe is equal; Be provided with the bottom being parallel to pallet below pallet, bottom, by being fixedly welded on inner wall of cylinder, bottom top supports many connecting bolts, and the screw thread on connecting bolt top is used for connecting trays; Blow-off pipe lateral wall is connected with bend pipe, and upward, this outlet is equal with the centre-to-centre spacing of blow-off pipe with filter core with the centre-to-centre spacing of blow-off pipe in the outlet of bend pipe; Described water inlet pipe and outlet pipe mouth of pipe place are equipped with pressure sensor, pressure sensor connection control case internal controller; Controller judges according to the pressure differential of the inlet tube and outlet tube mouth of pipe and controls the open and close of the startup of air motor, stopping, rotating speed, Controlling solenoid valve.
Further, pallet is welded with pallet axle sleeve, blow-off pipe is connected with packing ring at the top of pallet axle sleeve inner pallet axle sleeve.
Further, with bolts between described filter core and pallet.
Further, between described blow-off pipe and cylinder barrel top cover, junction is provided with mechanical seal.
In, the bottom connecting bend of described blow-off pipe, elbow connects straight tube, and this straight tube stretches out outside cylinder barrel through cylinder barrel, and further, cylinder barrel connects pneumatic operated valve, pneumatic operated valve is opened and closed automatically by control cabinet control realization.
Further, described water inlet pipe is between pallet and bottom.
Further, described water inlet pipe is arranged on the below of outlet pipe, the top of blow-off pipe delivery port.
This explosion-proof type gas control full-automatic back washing filter that the present invention relates to, pneumatic source can with the compressed air in dry fog system, and better and dry fog system globe area, eliminate the road of connecting wires of complexity, system is safer, more stablely reaches explosion-proof requirement.
Accompanying drawing explanation
Fig. 1 is explosion-proof type gas control full-automatic back washing filter structure chart of the present invention;
Fig. 2 is explosion-proof type gas control full-automatic back washing filter sectional view of the present invention;
Mark in figure: 1-air motor; 2-motor fixing base; 3-cylinder cap; 4-connecting bolt; 5-cylinder barrel; 6-control cabinet; 7-water inlet pipe; 8-outlet pipe; 9-pneumatic operated valve; 10-mechanical seal; 11-blow-off pipe; 12-packing ring; 13-pallet axle sleeve; 14-filter core; 15-pallet; 16-connecting bolt; 17-bottom; 18-bend pipe; 19-blow-off pipe delivery port; 20-elbow.
Detailed description of the invention
As depicted in figs. 1 and 2, full-automatic back washing filter comprises cylinder barrel 5, water inlet pipe 7, outlet pipe 8, air motor 1, the filter core 14 of tubulose and control cabinet 6, outlet pipe 8 and water inlet pipe 7 are separately positioned on the both sides of cylinder barrel, air motor 1 is fixed on the motor fixing base 2 at cylinder barrel top, and control cabinet 6 is fixed on cylinder barrel sidewall; Air motor 1 output shaft connects blow-off pipe 11 and drives blow-off pipe 11 to rotate, and be provided with the pallet 15 of vertical inner wall of cylinder in the middle part of inner wall of cylinder, pallet external diameter equals inner wall of cylinder diameter; Filter core 14 is provided with multiple, around being connected on pallet 15, and equidistant all with tray center of each filter core, the bore of each filter core mouth of pipe is equal; Be provided with the bottom 17 being parallel to pallet below pallet 15, bottom, by being fixedly welded on inner wall of cylinder, bottom top supports many connecting bolts 16, and the screw thread on connecting bolt top is used for connecting trays 15, and connecting trays is supported by these many connecting bolts 16; Blow-off pipe 11 lateral wall is connected with bend pipe 18, and upward, this outlet is equal with the centre-to-centre spacing of blow-off pipe with filter core with the centre-to-centre spacing of blow-off pipe 11 in the outlet of bend pipe; Described water inlet pipe 7 and outlet pipe 8 mouth of pipe place are equipped with pressure sensor, pressure sensor connection control case 6 internal controller; Controller 6 judges according to the pressure differential of the inlet tube and outlet tube mouth of pipe and controls the open and close of the startup of air motor, stopping, rotating speed, Controlling solenoid valve.
With bolts between filter core 14 and pallet 15; Pallet is welded with pallet axle sleeve 13, blow-off pipe is connected with packing ring 12 at the top of pallet axle sleeve inner pallet axle sleeve 13.
Between described blow-off pipe 11 and cylinder barrel 5 top cover, junction is provided with mechanical seal 10; The bottom connecting bend 20 of blow-off pipe, elbow 20 connects straight tube, and this straight tube stretches out outside cylinder barrel through cylinder barrel 5, and cylinder barrel connects pneumatic operated valve, and pneumatic operated valve is opened and closed automatically by control cabinet control realization.
Described water inlet pipe 7 is between pallet 15 and bottom 17; Water inlet pipe 7 is arranged on the below of outlet pipe, the top of blow-off pipe delivery port 19.
Further as shown in the figure, air motor 1 is fixed on motor fixing base 2, and motor fixing base 2 and cylinder cap 3 are bolted.Cylinder cap 3 and cylinder barrel 5, connected by connecting bolt 4, control cabinet 6 is welded on cylinder barrel 5.Water inlet pipe 7 and outlet pipe 8 are welded by adpting flange and straight-run of pipe, are welded on the both sides of cylinder barrel respectively.Air motor 1 drives blow-off pipe 11, and be attached across cylinder cap 3 and cylinder barrel 5 by mechanical seal 10, packing ring 12 is connected with pallet axle sleeve 13, welded together with pallet 15.The lower end of blow-off pipe 11 through bottom 17 by mechanical seal, is connected with elbow 20, is finally connected with pneumatic operated valve 9, blowdown.Elbow 20 and bottom 17 weld together.The mode that pallet 15 is threaded connection is equipped with several filter core 14.Pallet 15 is connected by connecting bolt 16 with bottom 17.Bottom 17 is welded on cylinder barrel 5.
During normal filtration, water flows into through filter element filtering from water inlet pipe, flows out from outlet pipe.And when filter core have accumulated certain impurity, when affecting filter effect, namely when the difference of intake pressure and discharge pressure reaches the value of pressure difference switch setting in this filter control cabinet, pressure difference switch is opened, and controls air motor work, air motor drives blow-off pipe to rotate, interface below blow-off pipe and certain filter core are connected, and current are through filter core filter cartridge flushing, and now the pneumatic operated valve of blow-off pipe is opened, impurity is discharged through blow-off pipe, reaches the effect of filter cartridge flushing.Meanwhile, other filter core is still carrying out filtration work, is discharged by the water after filtering through outlet pipe.Air motor drives blow-off pipe to rotate by certain speed, and blow-off pipe carries out flushing pollution discharge with regard to each filter core of giving successively.I.e. not influential system work, can also reach the effect of backwash.
The full-automatic back washing filter of this pneumatic control that the present invention relates to, pneumatic source can with the compressed air in dry fog system, and better and dry fog system globe area, eliminate the road of connecting wires of complexity, system is safer, more stablely reaches explosion-proof requirement.
Detailed description of the invention of the present invention does not form the restriction to the application's scope; within every spirit in the present invention's design and principle, any amendment that one of skill in the art can make, equivalent to replace and improvement etc. all should be included within protection scope of the present invention.
Claims (7)
1. an explosion-proof type gas control full-automatic back washing filter, comprises cylinder barrel, water inlet pipe and outlet pipe, and outlet pipe and water inlet pipe are separately positioned on the both sides of cylinder barrel, it is characterized in that, described filter also comprises air motor, the filter core of tubulose and control cabinet; Described air motor is fixed on the motor fixing base at cylinder barrel top, and control cabinet is fixed on cylinder barrel sidewall; Air motor output shaft connects blow-off pipe and drives blow-off pipe to rotate, and be provided with the pallet of vertical inner wall of cylinder in the middle part of inner wall of cylinder, pallet external diameter equals inner wall of cylinder diameter; Filter core is provided with multiple, around being connected on pallet, and equidistant all with tray center of each filter core, the bore of each filter core mouth of pipe is equal; Be provided with the bottom being parallel to pallet below pallet, bottom, by being fixedly welded on inner wall of cylinder, bottom top supports many connecting bolts, and the screw thread on connecting bolt top is used for connecting trays; Blow-off pipe lateral wall is connected with bend pipe, and upward, this outlet is equal with the centre-to-centre spacing of blow-off pipe with filter core with the centre-to-centre spacing of blow-off pipe in the outlet of bend pipe; Described water inlet pipe and outlet pipe mouth of pipe place are equipped with pressure sensor, pressure sensor connection control case internal controller.
2. a kind of explosion-proof type gas control full-automatic back washing filter according to claim 1, it is characterized in that, pallet is welded with pallet axle sleeve, blow-off pipe is connected with packing ring at the top of pallet axle sleeve inner pallet axle sleeve.
3. a kind of explosion-proof type gas control full-automatic back washing filter according to claim 1, is characterized in that, with bolts between described filter core and pallet.
4. a kind of explosion-proof type gas control full-automatic back washing filter according to claim 1, it is characterized in that, between described blow-off pipe and cylinder barrel top cover, junction is provided with mechanical seal.
5. a kind of explosion-proof type gas control full-automatic back washing filter according to claim 1 or 4, it is characterized in that, the bottom connecting bend of described blow-off pipe, elbow connects straight tube, this straight tube stretches out outside cylinder barrel through cylinder barrel, cylinder barrel connects pneumatic operated valve, and pneumatic operated valve is opened and closed automatically by control cabinet control realization.
6. a kind of explosion-proof type gas control full-automatic back washing filter according to claim 1, it is characterized in that, described water inlet pipe is between pallet and bottom.
7. a kind of explosion-proof type gas control full-automatic back washing filter according to claim 1 or 6, is characterized in that, described water inlet pipe is arranged on the below of outlet pipe, the top of blow-off pipe delivery port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410687524.2A CN104436792B (en) | 2014-11-26 | 2014-11-26 | A kind of explosion-proof type gas control full-automatic back washing filter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410687524.2A CN104436792B (en) | 2014-11-26 | 2014-11-26 | A kind of explosion-proof type gas control full-automatic back washing filter |
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| CN104436792A true CN104436792A (en) | 2015-03-25 |
| CN104436792B CN104436792B (en) | 2016-09-28 |
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| CN201410687524.2A Active CN104436792B (en) | 2014-11-26 | 2014-11-26 | A kind of explosion-proof type gas control full-automatic back washing filter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109224618A (en) * | 2018-10-25 | 2019-01-18 | 张淑华 | It is a kind of multi-functional from clear sandbox cooperation effluent filter |
Citations (8)
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|---|---|---|---|---|
| JPS5534128A (en) * | 1978-08-31 | 1980-03-10 | Ito Tekkosho:Kk | Back wash type filtering device by air |
| CN2281203Y (en) * | 1996-07-12 | 1998-05-13 | 王维良 | Automatic gap filter |
| EP0774287B1 (en) * | 1995-11-15 | 1998-08-26 | HYDAC FILTERTECHNIK GmbH | Back flushable filter with gas |
| CN102100984A (en) * | 2011-01-14 | 2011-06-22 | 丰隆液压有限公司 | Automatic backwashing filter |
| CN102921231A (en) * | 2012-11-13 | 2013-02-13 | 江苏科技大学 | Fully-automatic back-flushing type self-cleaning filter |
| CN103212232A (en) * | 2013-05-07 | 2013-07-24 | 南通海狮船舶机械有限公司 | Full-automatic high-precision back-flushing filter |
| CN203291625U (en) * | 2013-06-17 | 2013-11-20 | 南通中顺船舶机械有限公司 | Automatic back-washing combination filter |
| CN204261420U (en) * | 2014-11-26 | 2015-04-15 | 秦皇岛思泰意达科技发展有限公司 | A kind of explosion-proof type gas control full-automatic back washing filter |
-
2014
- 2014-11-26 CN CN201410687524.2A patent/CN104436792B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5534128A (en) * | 1978-08-31 | 1980-03-10 | Ito Tekkosho:Kk | Back wash type filtering device by air |
| EP0774287B1 (en) * | 1995-11-15 | 1998-08-26 | HYDAC FILTERTECHNIK GmbH | Back flushable filter with gas |
| CN2281203Y (en) * | 1996-07-12 | 1998-05-13 | 王维良 | Automatic gap filter |
| CN102100984A (en) * | 2011-01-14 | 2011-06-22 | 丰隆液压有限公司 | Automatic backwashing filter |
| CN102921231A (en) * | 2012-11-13 | 2013-02-13 | 江苏科技大学 | Fully-automatic back-flushing type self-cleaning filter |
| CN103212232A (en) * | 2013-05-07 | 2013-07-24 | 南通海狮船舶机械有限公司 | Full-automatic high-precision back-flushing filter |
| CN203291625U (en) * | 2013-06-17 | 2013-11-20 | 南通中顺船舶机械有限公司 | Automatic back-washing combination filter |
| CN204261420U (en) * | 2014-11-26 | 2015-04-15 | 秦皇岛思泰意达科技发展有限公司 | A kind of explosion-proof type gas control full-automatic back washing filter |
Non-Patent Citations (1)
| Title |
|---|
| 胡海清等: "《气压与液压传动控制技术》", 31 December 2013, article "《第2章 气动执行元件》", pages: 43 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109224618A (en) * | 2018-10-25 | 2019-01-18 | 张淑华 | It is a kind of multi-functional from clear sandbox cooperation effluent filter |
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| CN104436792B (en) | 2016-09-28 |
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Effective date of registration: 20160105 Address after: 066004 Qinhuangdao City, Hebei Province Economic and Technological Development Zone Qinhuangdao Heilongjiang West Road No. 31 Applicant after: QINHUANGDAO CAPITAL STARLIGHT ENVIRONMENTAL TECHNOLOGY CO., LTD. Address before: 066004 Hebei city of Qinhuangdao Province Economic and Technological Development Zone Heilongjiang West Road No. 31 star light Applicant before: Qinhuangdao Star Light Technology Co., Ltd. |
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