CN103785209B - A kind of reverse flushing filter screen filter - Google Patents
A kind of reverse flushing filter screen filter Download PDFInfo
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- CN103785209B CN103785209B CN201310592750.8A CN201310592750A CN103785209B CN 103785209 B CN103785209 B CN 103785209B CN 201310592750 A CN201310592750 A CN 201310592750A CN 103785209 B CN103785209 B CN 103785209B
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Abstract
A kind of reverse flushing filter screen filter, is made up of blow-off pipe, intake antrum, blowoff valve, filter chamber.Blow-off pipe is by intake antrum center through arriving filter chamber top, and the position perforate that blow-off pipe is corresponding with blowoff valve, filter chamber is made up of shell and multiple filter core, and three-way blowoff valve is between intake antrum and filter chamber, and the quantity of blowoff valve is identical with filter core quantity.During filter work, blowoff valve is in the position being communicated with intake antrum and filter core import, cutting out blow-off pipe and filter core import, and now source water enters filter core and filters.When screen wall and the inner impurities accumulation of filter core, when making water-in and water-out pressure differential reach design higher limit, by blowoff valve 90-degree rotation, then intake antrum and filter core import are closed, and blow-off pipe and filter core inlet communication, filter core is in backwash state.The present invention can not shut down backwash, independent blowdown, less on system worked well impact.Relative to the integrated mode of multiple filter, compact conformation of the present invention, overall cost is low, and operating efficiency is high.
Description
Technical field
The invention belongs to water-treatment technology field, relate to water filtration device, be specifically related to a kind of reverse flushing filter screen filter.
Background technology
Filter is the most widely used a kind of filter plant of agriculture irrigation system and Treatment of Industrial Water.During current engineer applied, the mode mostly combined by multiple filter realizes the backwash of filter screen, connecting line and valve more, integrated model is comparatively loose, huge, and overall cost is high, and local head loss is larger, comparatively large on system worked well impact during backwash, operating efficiency is relatively low.
Summary of the invention
The object of the present invention is to provide a kind of compact conformation, be convenient to the filter of backwash.
The technical solution that the present invention takes is: a kind of reverse flushing filter screen filter, is made up of blow-off pipe, intake antrum, blowoff valve, filter chamber.Described intake antrum is hollow cylinder, and intake antrum is provided with water inlet pipe, water inlet pipe is arranged inlet pressure measuring equipment, and intake antrum bottom surface is opened multiple circular hole and is connected with the import of filter core by blowoff valve, and circular hole is even circumferential distribution along the center of intake antrum; Described blowoff valve is triple valve, between intake antrum and filter chamber; Described filter chamber is made up of cylinder blanket and multiple cylindrical filter cartridge, and outer casing top surface opens the import of multiple filter core, and shell is provided with outlet pipe, outlet pipe sets out mouth pressure measuring equipment, and filter core tail end is closed by enclosure bottom; Described blow-off pipe is outside intake antrum, filter chamber end face is arrived through the end face of intake antrum and bottom surface by center, blow-off pipe one end be positioned at outside intake antrum is sewage draining exit, one end that blow-off pipe contacts with filter chamber end face is blind end, the position perforate corresponding with blowoff valve of blow-off pipe side, as wastewater inlet, blow-off pipe is arranged sewage draining exit pressure measurement device.
Described reverse flushing filter screen filter, the quantity of blowoff valve is identical with the quantity of filter core, comparatively reasonable when the quantity of blowoff valve and filter core is set to 2-12.When blowoff valve is communicated with intake antrum and filter core import, just close the passage of filter core import and wastewater inlet, filter core is in filtration condition; After blowoff valve 90-degree rotation, then just close intake antrum and filter core intake channel, open the passage of filter core import and wastewater inlet, filter core is in backwash state.During filter work, all filter cores are all in filtration condition; During Filter Back Washing, only have a filter core to be in backwash state, other filter core is then in filtration condition.
Described reverse flushing filter screen filter, water inlet pipe and outlet pipe have four kinds of assembling schemes: the first scheme, and water inlet pipe is positioned on the side surface circumference of intake antrum, and outlet pipe is positioned on the side surface circumference of shell.First scheme, water inlet pipe is positioned on the side surface circumference of intake antrum, and outlet pipe is positioned at the bottom surface of shell.The third scheme water inlet pipe is positioned at the end face of intake antrum, and outlet pipe is positioned at the bottom surface of shell.4th kind of scheme, water inlet pipe is positioned at the end face of intake antrum, and outlet pipe is positioned on the side surface circumference of shell.When building backwash filter, four kinds of schemes can optional one.
Described reverse flushing filter screen filter, blowoff valve has two kinds to work and set-up mode: the first is manual work mode, and now blowoff valve is manual three-way valve, and inlet pressure measuring equipment, outlet pressure measuring equipment and sewage draining exit pressure measurement device are Pressure gauge.The second is automatic operation mode, and now blowoff valve is automatic tee valve, and inlet pressure measuring equipment, outlet pressure measuring equipment and sewage draining exit pressure measurement device are pressure sensor.
Described reverse flushing filter screen filter, during work, blowoff valve is in the position being communicated with intake antrum and filter core import, cutting out blow-off pipe and filter core import, and now source water enters filter core inside and filters, clear water after filtration comes together between filter core and shell, is exported by outlet pipe.Along with the increase of filtration time, the accumulation gradually of screen wall and filter core inside, the pressure reduction of water inlet pipe and outlet pipe is increased gradually, when pressure reduction reaches design higher limit, by a blowoff valve 90-degree rotation, then the import of intake antrum and this place's filter core is closed, blow-off pipe and herein filter core inlet communication, clear water ecto-entad between filter core and shell enters this filter core, rinse the impurity accumulated in screen wall and filter screen, sewage after flushing is through filter core import, pass through blowoff valve, enter in blow-off pipe by wastewater inlet, finally discharged by blow-off pipe, this filter core is in backwash state.Along with this filter screen cleans up gradually, in blow-off pipe, flow increases, pressure increases, when blowdown overpressure reach the design upper limit or observe blowdown in-pipe flow impurity less time, this blowoff valve is reversely rotated 90 degree, and this filter core returns to duty.By another blowoff valve 90-degree rotation, carry out the backwash of next filter core, until all filter cores are rinsed well, filter core full recovery is to duty.
The beneficial effect of the present invention's structure: the present invention adopts triple valve to carry out filtering the conversion with backwash, and each filter core can independently carry out backwash and blowdown operation, can not shut down and carry out backwash to filter core.Triple valve, between intake antrum and filter chamber, makes multiple worry core, water feed apparatus and blowdown apparatus compact conformation, and filter general structure is simple, has manual backwashing and automatic backwash two kinds of functions can be selected.Relative to the integrated mode of multiple filter, connecting pipe, pipe fitting and valve are few, and the loss of flood peak is little, and overall cost is low, and less on system worked well impact, operating efficiency is high.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the orthogonal view that the embodiment of the present invention 1 filter core is in filtration condition.
Fig. 2 is the A-A profile of Fig. 1.
Fig. 3 is the B-B profile of Fig. 1.
Fig. 4 is the C-C profile of Fig. 1.
Fig. 5 is the D-D profile of Fig. 1.
Fig. 6 is the orthogonal view that the embodiment of the present invention 1 filter core is in backwash state.
Fig. 7 is the E-E profile of Fig. 5.
Fig. 8 is the orthogonal view that the embodiment of the present invention 2 filter core is in filtration condition.
Fig. 9 is the F-F profile of Fig. 7.
In figure, 1. blow-off pipe 2. intake antrum 3. blowoff valve I 4. filter chamber 5. shell 6. filter core I 7. inlet pressure measuring equipment 8. water inlet pipe 9. outlet pressure measuring equipment 10. outlet pipe 11. sewage draining exit pressure measurement device
Detailed description of the invention
embodiment 1:
With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4.Reverse flushing filter screen filter, is made up of blow-off pipe 1, intake antrum 2,3 blowoff valves 3, filter chambers 4; Described intake antrum 2 is hollow cylinder, intake antrum 2 is provided with water inlet pipe 8, water inlet pipe 8 is arranged inlet pressure gauge 7, and 3 circular holes are opened in intake antrum 2 bottom surface, and 3 circular holes are even circumferential distribution along the center of intake antrum 1; Described filter chamber 4 is made up of cylinder blanket 5 and 3 cylindrical filter cartridge 6, and shell 5 end face opens the import of 3 filter cores 6; Described 3 circular holes are connected with the import of 3 filter cores 6 respectively by 3 blowoff valves 3, and described blowoff valve 3 is manual three-way valve, is located between intake antrum 2 and filter chamber 4; Shell 5 is provided with outlet pipe 10, outlet pipe 10 is arranged delivery gauge 9, filter core 6 tail end is closed by shell 5 bottom surface; Described blow-off pipe 1 is outside intake antrum 2, filter chamber 4 bottom surface is arrived through the end face of intake antrum 2 and bottom surface by center, blow-off pipe 1 one end be positioned at outside intake antrum 2 is sewage draining exit, one end that blow-off pipe 1 contacts with filter chamber 4 end face is blind end, 3 limbers are offered respectively as wastewater inlet in the position corresponding with 3 blowoff valves 3, blow-off pipe 1 side, 3 limbers are communicated with 3 blowoff valves 3 respectively, blow-off pipe 1 are arranged sewage draining exit Pressure gauge 11.
With reference to Fig. 1, water inlet pipe 8 is positioned on the side surface circumference of intake antrum 1, and outlet pipe 10 is positioned on the side surface circumference of shell 5.
With reference to Fig. 1, Fig. 3, during filter work, all filter cores are all in filtration condition.With reference to Fig. 5, Fig. 6, during Filter Back Washing, only have a filter core to be in backwash state, other filter core is then in filtration condition.
Specific works process: during the work of reverse flushing filter screen filter (with reference to Fig. 1, Fig. 3), blowoff valve 3 is communicated with intake antrum 2 and filter core 6 import, the passage of cutting out filter core 6 import and wastewater inlet, and filter core 6 is in filtration condition.Now, source water enters filter core 6 and filters, and the clear water after filtration comes together between filter core 6 and shell 5, is exported by outlet pipe 10.Along with the increase of filtration time, the accumulation gradually of screen wall and filter core inside, makes inlet pressure gauge 7 increase gradually with the difference of delivery gauge 9.When inlet pressure gauge 7 and the difference of delivery gauge 9 reach design higher limit time, by manual blowdown valve 3 90-degree rotation (with reference to Fig. 5, Fig. 6), then just close intake antrum 2 and filter core 6 intake channel, open the passage of filter core 6 import and wastewater inlet, filter core 6 is in backwash state.Now, the sewage of filter core 6 inside through filter core import, by blowoff valve 3, enter in blow-off pipe 1 by wastewater inlet, is finally discharged by blow-off pipe 1.Along with filter screen cleans up gradually, in blow-off pipe 1, flow increase, hydraulic pressure increase, and when the pressure of sewage draining exit Pressure gauge 11 reaches design above in limited time, manual blowdown valve 3 is reversely rotated 90 degree, and filter core 6 returns to duty.
embodiment 2:
With reference to Fig. 8, Fig. 9.Reverse flushing filter screen filter, is made up of blow-off pipe 1, intake antrum 2,3 blowoff valves 3, filter chambers 4; Described intake antrum 2 is hollow cylinder, intake antrum 2 is provided with water inlet pipe 8, water inlet pipe 8 is arranged inlet pressure sensor 7, and 3 circular holes are opened in intake antrum 2 bottom surface, and 3 circular holes are even circumferential distribution along the center of intake antrum 1; Described filter chamber 4 is made up of cylinder blanket 5 and 3 cylindrical filter cartridge 6, and shell 5 end face opens the import of 3 filter cores 6; Described 3 circular holes are connected with the import of 3 filter cores 6 respectively by 3 blowoff valves 3, and described blowoff valve 3 is 3 automatic tee valves, is located between intake antrum 2 and filter chamber 4; Shell 5 is provided with outlet pipe 10, outlet pipe 10 is arranged outlet pressure sensor 9, filter core 6 tail end is closed by shell 5 bottom surface; Described blow-off pipe 1 is outside intake antrum 2, filter chamber 4 bottom surface is arrived through the end face of intake antrum 2 and bottom surface by center, blow-off pipe 1 one end be positioned at outside intake antrum 2 is sewage draining exit, one end that blow-off pipe 1 contacts with filter chamber 4 end face is blind end, 3 limbers are offered respectively as wastewater inlet in the position corresponding with 3 blowoff valves 3, blow-off pipe 1 side, 3 limbers are communicated with 3 blowoff valves 3 respectively, blow-off pipe 1 are arranged sewage draining exit pressure sensor 11.
With reference to Fig. 1, water inlet pipe 8 is positioned at the side of intake antrum 1, and outlet pipe 10 is positioned at the bottom surface of shell 5.
Specific works process: during the work of reverse flushing filter screen filter (with reference to Fig. 1, Fig. 3), blowoff valve 3 is communicated with intake antrum 2 and filter core 6 import, the passage of cutting out filter core 6 import and wastewater inlet, and filter core 6 is in filtration condition.Now, source water enters filter core 6 and filters, and the clear water after filtration comes together between filter core 6 and shell 5, is exported by outlet pipe 10.Along with the increase of filtration time, the accumulation gradually of screen wall and filter core inside, makes inlet pressure sensor 7 increase gradually with the difference of outlet pressure sensor 9.When inlet pressure sensor 7 and the difference of outlet pressure sensor 9 reach design higher limit time, automatic controller starts automatic blowdown valve 3, make it 90-degree rotation (with reference to Fig. 5, Fig. 6), then just close intake antrum 2 and filter core 6 intake channel, open the passage of filter core 6 import and wastewater inlet, filter core 6 is in backwash state.Now, the sewage of filter core 6 inside through filter core import, by blowoff valve 3, enter in blow-off pipe 1 by wastewater inlet, is finally discharged by blow-off pipe 1.Along with filter screen cleans up gradually, in blow-off pipe 1, flow increase, hydraulic pressure increase, and when the pressure of sewage draining exit pressure sensor 11 reaches design above in limited time, automatic controller starts automatic blowdown valve 3, and make it reverse rotation 90 degree, filter core 6 returns to duty.
Structure and the principle of reverse flushing filter screen filter of the present invention are fully disclosed by embodiment, but described embodiment is also not used to limit the present invention, other embodiment also can be had under the prerequisite not departing from spirit of the present invention or essential characteristic, when showing scope of the present invention, should with reference to appending claims, instead of aforesaid explanation.
Claims (6)
1. a reverse flushing filter screen filter, is made up of blow-off pipe (1), intake antrum (2), several blowoff valves (3), filter chamber (4), described intake antrum (2) is hollow cylinder, intake antrum (2) is provided with water inlet pipe (8), water inlet pipe (8) is arranged inlet pressure measuring equipment (7), more than 2 circular holes are opened in intake antrum (2) bottom surface, and more than 2 circular holes are even circumferential distribution along the center of intake antrum (1), described filter chamber (4) is made up of cylinder blanket (5) and more than 2 cylindrical filter cartridge (6), and shell (5) end face opens 2 with the import of upper filter (6), described more than 2 circular holes are connected with the import of upper filter (6) with 2 with scum valve (3) respectively by 2, and described blowoff valve (3) is triple valve, is located between intake antrum (2) and filter chamber (4), shell (5) is provided with outlet pipe (10), outlet pipe (10) sets out mouth pressure measuring equipment (9), filter core (6) tail end is closed by shell (5) bottom surface, described blow-off pipe (1) is from intake antrum (2) outside, filter chamber (4) bottom surface is arrived through the end face of intake antrum (2) and bottom surface by center, blow-off pipe (1) one end be positioned at outside intake antrum (2) is sewage draining exit, one end that blow-off pipe (1) contacts with filter chamber (4) end face is blind end, more than 2 limbers are offered as wastewater inlet with 2 respectively using the position that scum valve (3) is corresponding in blow-off pipe (1) side, more than 2 limbers are communicated with scum valve (3) with 2 respectively, blow-off pipe (1) is arranged sewage draining exit pressure measurement device (11), the quantity of the circular hole of described intake antrum (2) bottom surface, limber, blowoff valve (3) is identical with the quantity of filter core (6), and the quantity of described blowoff valve (3), filter core (6) is 2-12, when blowoff valve (3) is communicated with intake antrum (2) with filter core (6) import, just close the passage of filter core (6) import and wastewater inlet, filter core (6) is in filtration condition, after blowoff valve (3) 90-degree rotation, then just close intake antrum (2) and filter core (6) intake channel, open the passage of filter core (6) import and wastewater inlet, filter core (6) is in backwash state, during filter work, all filter cores are all in filtration condition, during Filter Back Washing, only have a filter core to be in backwash state, other filter core is then in filtration condition.
2. a kind of reverse flushing filter screen filter according to claim 1, is characterized in that, described water inlet pipe (8) is located at the side wall surface of intake antrum (2) circumferentially, and outlet pipe (10) is located at the sidewall of shell (5) circumferentially.
3. a kind of reverse flushing filter screen filter according to claim 1, is characterized in that, described water inlet pipe (8) is located at the sidewall of intake antrum (2) circumferentially, and outlet pipe (10) is located on the bottom surface of shell (5).
4. a kind of reverse flushing filter screen filter according to claim 1,2 or 3, is characterized in that, the quantity of described blowoff valve (3), filter core (6) is three.
5. a kind of reverse flushing filter screen filter according to claim 1,2 or 3, it is characterized in that, described blowoff valve (3) is manual three-way valve, and inlet pressure measuring equipment (7), outlet pressure measuring equipment (9) and sewage draining exit pressure measurement device (11) are Pressure gauge.
6. a kind of reverse flushing filter screen filter according to claim 1,2 or 3, it is characterized in that, described blowoff valve (3) is automatic tee valve, and inlet pressure measuring equipment (7), outlet pressure measuring equipment (9) and sewage draining exit pressure measurement device (11) are pressure sensor; Described reverse flushing filter screen filter is provided with automatic controller monitoring pressure sensor, and control of sewage disposal valve rotates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310592750.8A CN103785209B (en) | 2013-11-22 | 2013-11-22 | A kind of reverse flushing filter screen filter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310592750.8A CN103785209B (en) | 2013-11-22 | 2013-11-22 | A kind of reverse flushing filter screen filter |
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| Publication Number | Publication Date |
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| CN103785209A CN103785209A (en) | 2014-05-14 |
| CN103785209B true CN103785209B (en) | 2015-08-05 |
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| CN201310592750.8A Expired - Fee Related CN103785209B (en) | 2013-11-22 | 2013-11-22 | A kind of reverse flushing filter screen filter |
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| DE102015114473B4 (en) * | 2015-08-31 | 2022-02-10 | Gea Mechanical Equipment Gmbh | Process for filtration of sea water on board a ship |
| CN105536323A (en) * | 2016-02-26 | 2016-05-04 | 江苏大学 | Automatic back-flush mesh filter |
| CN106237683B (en) * | 2016-08-23 | 2019-02-15 | 九章膜(北京)科技有限公司 | A kind of filter device with efficient backwashing function for air water machine |
| CN109091943B (en) * | 2017-06-20 | 2024-02-23 | 芜湖美的厨卫电器制造有限公司 | Water purifying device and water heater |
| CN107497157A (en) * | 2017-07-24 | 2017-12-22 | 宿州溪亿林农业发展有限公司 | A kind of backwash filter for drip irrigation system |
| CN107715539A (en) * | 2017-11-13 | 2018-02-23 | 佛山市恒爱网络科技有限公司 | Automatic backwashing filter |
| CN108953166B (en) * | 2018-07-27 | 2023-11-17 | 上海长征泵阀（集团）有限公司 | Backwashing energy-saving pump system |
| CN111547897B (en) * | 2020-06-10 | 2024-06-18 | 何敏 | Unpowered sieve type solid-liquid separator and control method thereof |
| CN117797547A (en) * | 2024-01-19 | 2024-04-02 | 艾尔科工程技术有限公司 | Filter with self-cleaning function |
| CN118479691B (en) * | 2024-07-10 | 2024-10-01 | 四川水思源环境科技有限公司 | Water-saving hemodialysis water preparation facilities |
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- 2013-11-22 CN CN201310592750.8A patent/CN103785209B/en not_active Expired - Fee Related
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|---|---|---|---|---|
| JP2005230779A (en) * | 2004-02-23 | 2005-09-02 | Kurimoto Ltd | Strainer apparatus |
| CN2875558Y (en) * | 2006-03-17 | 2007-03-07 | 新疆天业（集团）有限公司 | Horizontal automatic back flushing screen net filter |
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