CN102784504A - Automatic backwashing system in filtering device with multi filter drums - Google Patents
Automatic backwashing system in filtering device with multi filter drums Download PDFInfo
- Publication number
- CN102784504A CN102784504A CN2012103049097A CN201210304909A CN102784504A CN 102784504 A CN102784504 A CN 102784504A CN 2012103049097 A CN2012103049097 A CN 2012103049097A CN 201210304909 A CN201210304909 A CN 201210304909A CN 102784504 A CN102784504 A CN 102784504A
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- Prior art keywords
- filter
- main shaft
- fixed
- lower bearing
- cylinder
- Prior art date
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- 238000001914 filtration Methods 0.000 title abstract description 15
- 238000011001 backwashing Methods 0.000 title abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 230000009471 action Effects 0.000 claims abstract description 5
- 230000003028 elevating effect Effects 0.000 claims description 19
- 239000010865 sewage Substances 0.000 claims description 16
- 238000004140 cleaning Methods 0.000 claims description 12
- 230000000295 complement effect Effects 0.000 claims description 6
- 235000015111 chews Nutrition 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 4
- 238000002788 crimping Methods 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000001055 chewing effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 235000019628 coolness Nutrition 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
- B01D29/668—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with valves, e.g. rotating valves for coaxially placed filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/114—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements arranged for inward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/52—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/04—Supports for the filtering elements
- B01D2201/043—Filter tubes connected to plates
- B01D2201/0453—Filter tubes connected to plates positioned between at least two plates
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses an automatic backwashing system in a filtering device with multi filter drums. The automatic backwashing system is characterized in that: a motor drives a main shaft to rotate; a lifting system drives a rotating shaft to ascend and descend; a multi-way connecting base connects the main shaft, a rotary arm and a drainage pipe together; the main shaft drives the rotary arm to ascend and descend and rotate; the drainage pipe stays still; a suction nozzle, which can be connected with a water inlet on a separating plate in a sealing way, is fixed at an upper port of the rotary arm; an end of the drainage pipe is connected with an electric drainage valve or a pneumatic drainage valve; and a control system controls action of the motor, the lifting mechanism and the electric drainage valve or the pneumatic drainage valve. By using the filtering device disclosed by the invention, when one filter drum backwashes, other filter drums keep on filtering, therefore, water yield is not influenced at all; since backwashing water flow is high in magnitude, filter screens of the filter drums can be washed more cleanly and more thoroughly, therefore, the backwashing effect is good, the backwashing frequency is low, and the backwashing water can be saved; during rotation of the automatic backwashing system, the suction nozzle and the separating plate are separated, thus relative friction between the suction nozzle and the separating plate can be avoided, and the service life of the suction nozzle can be prolonged; and in addition, all components are connected mutually with high reliability and good sealing performance.
Description
Technical field
The present invention relates to the automatic backwash system in a kind of many filter cylinders filter.
Background technology
In fields such as metallurgy, electric power, oil, chemical industry, medicine, food, printing and dyeing, papermaking, urban water supply, central air-conditioning, river water cleaning, middle water treatment, agricultural irrigation, sewage disposals; Filter plant is widely used in the filtration and the separation process of fluids such as water, emulsion in various lubricated, coolings, the production system, and at present a lot of enterprises use remains traditional filter plant.
The cartridge structure of traditional filter plant is the many filter element filterings structure that adopts single filter cylinder filtration or a plurality of different filter cores of the inside stack mostly.Many filter element filterings equipment filters layer by layer, good filtration effect, but its filtration water yield is few; The aquifer yield of filter plant is little; Easy to clean not after filter losing efficacy not only takes time and effort during cleaning, and wastes the more energy and water source; Even the inefficacy because filter core is irreversible, be used for the filtration of meticulous low amounts of water more.Single filter cylinder filter plant with the situation of above-mentioned many filter element filterings equipment equal volume under, it is bigger to filter the water yield, and single net cartridge structure; In case strainer filtering lost efficacy, be easier to clean up, continue to use; Size according to its filter screen hole can be used on different occasions, and its range of application is wider.The automatic backwash system is adopted in its backwash more, and during its work, water gets into from inlet, discharges from outlet through filter cylinder, and impurity is trapped within the filter cylinder outer surface, and inlet outlet pressure differential increases.When pressure reduction reached setting value, automatic control system started backwashing system, and the electrically operated valve of sewage draining exit is opened, the filter cylinder rotation, and the backwash current from inside to outside wash when forwarding the soil pick-up groove to, and dirt is rinsed out, and discharge through sewage draining exit.Filter cylinder rotates a circle, and whole surface is cleaned.Backwash process finishes, the stall of blowoff valve disable motor.Still there is following shortcoming in its backwashing system: effect that (1) is anti-when cleaning is relatively poor, and stopping up needs artificial unloading's filter cylinder clean the labor intensive material resources when serious; (2) must stop filtration and just can carry out backwash, the filtration water yield is few, and production efficiency is low.
Summary of the invention
The object of the invention is exactly to solve the problems referred to above that exist in the prior art, and the automatic backwash system in a kind of many filter cylinders filter is provided, and adopts the filter of this backwashing system; Other filter cylinder continues to filter during a filter cylinder backwash; Backwash effect is good, and the backwash frequency is low, saves backwashing water; Inhale to chew during rotation and separate, high, the good seal performance of connection reliability between its each parts with dividing plate.
For realizing above-mentioned purpose; Technical solution of the present invention is: the automatic backwash system in a kind of many filter cylinders filter, it comprises motor, the main shaft of being with reductor, leads to joint chair more, one or more bent-tube boiler turning arm, inhale chew, blow-off pipe, pneumatic sewage drain valve or electronic blowoff valve, elevating mechanism, two pressure sensors and recoil cleaning control system; Motor and the elevating mechanism of band reductor are arranged on above many filter cylinders filter housing, lead to joint chair, each turning arm is positioned at the filter cavity of resorption more; The gears engaged of the output gear of reductor and main shaft upper end, the output gear of reductor is thicker than mainshaft gear, and thickness difference is not less than the height that main shaft rises or falls; The motor of band reductor is fixed on the filter housing; The upper end of main shaft is equipped with the elevating mechanism that the control main shaft goes up and down; Main shaft passes through filter housing epicoele wall and dividing plate; The lower end is fixed on leads on the joint chair open upper end more; Each turning arm lower port is separately fixed on each sidewall opening that leads in the middle of the joint chair more, and with lead to joint chair more and be communicated with, port be fixed with dividing plate on the water inlet suction that can be tightly connected chew; Lead to that the joint chair lower ending opening is rotatable liftably to be fixed on the filter blow-off pipe port more, and be communicated with blow-off pipe; Blow-off pipe pass through and sealing and fixing on housing cavity of resorption wall, the end connects electronic blowoff valve or pneumatic sewage drain valve; What two pressure sensors were installed in filter respectively enters sewage mouth and pure water inlet place; Its information output is connected on the recoil cleaning control system, and the output of recoil cleaning control system is connected on motor, electronic blowoff valve or the pneumatic sewage drain valve, the control end of elevating mechanism.
The above-mentioned said syndetons of leading to joint chair and main shaft, each bent-tube boiler turning arm and blow-off pipe are more: there is ring flange described main shaft lower end by bolt; Leading to the joint chair port more and be welded with ring flange, is in the same place by bolt, nut and spacers in the edge of two ring flanges; Each turning arm lower port is welded on leads on each middle sidewall opening of joint chair more; Lead to the joint chair lower port more and be welded with ring flange; There is the convex edge that is complementary with the flange plate structure that leads to the joint chair lower port seal upper end more; Seal with lead to the joint chair lower port together by bolt more, the lower surface of convex edge, seal upper end is welded with guide pillar, seal lower end overcoat rotating ring; The inner convex platform of rotating ring lower end is connected to deciding in the annular groove of filter blow-off pipe port; Outer lug boss has the guide pillar hole that is complementary with guide pillar; Guide pillar is positioned at the guide pillar hole; Be with spring on the guide pillar between the convex edge of seal upper end and the outer lug boss of rotating ring lower end, corresponding seal groove is arranged respectively on seal and the rotating ring, be crimped with sealing ring in the seal groove.
The structure that is fixed on the turning arm port is chewed in above-mentioned said suction: the turning arm port has a ring flange, and the lower end is chewed in suction has a ring flange, inhales to chew with turning arm and is in the same place by bolt through ring flange; Suction is chewed upper end outer rim crimping and is adhesively fixed with a circle upper end and chews for the fluorubber of umbrella shape.
Above-mentioned said elevating mechanism comprises the cam and the cylinder of upper and lower bearing assembly, symmetrical distribution; Upper and lower bearing assembly overcoat is fixed on the holder of filter housing upper end, and cover has spindle hole in the upper and lower bearing assembly; Main shaft is positioned at upper and lower bearing assembly cover spindle hole, and with upper and lower bearing assembly in overlap and be fixed together; Cam is symmetrically distributed in the both sides of main shaft; It is positioned at lower bearing component and puts the cam hole that has outward; And be hinged on the lower bearing component overcoat wall by bearing pin; Its eccentric end is fixed on the cylinder piston rod that passes through the lower bearing component overcoat wall, and the cylinder symmetry is fixed on the cylinder holder of filter housing upper end, and the action of cylinder is controlled by the control system.
Because the present invention adopted such scheme, it has the following advantages: it is low 1, to discern pressure reduction, automatic backwash, automatic pollution discharge, operating cost automatically.2, during one of them cartridge filter independence backwash, other cartridge filter continuous operation does not influence the water outlet water yield.3, the backwashing water intensity of flow is big, and the filter screen of cartridge filter cleans more thoroughly totally, makes filter cartridge efficient high, and the backwash frequency is low.4, elevating mechanism is can the driven rotary arm upper and lower moves, and when main axis rotation, the suction of turning arm is chewed and water inlet breaks away from, and has avoided inhaling the relative friction of chewing with dividing plate, has prolonged and has inhaled the life-span of chewing, and has stopped the equipment fault that causes thus.5, backwash control perfect function is simple and reliable.Electronic or pneumatic sewage drain valve is just opened when blowdown, then closes during not blowdown, thereby has practiced thrift water effectively, has saved water resource.
Description of drawings
Fig. 1 is the mounting structure sketch map in the present invention is installed in a kind of many filter cylinders filter;
Fig. 2 is the syndeton sketch map of four-way Connection Block among the present invention and main shaft, turning arm and blow-off pipe;
The syndeton sketch map that Fig. 3 chews for turning arm among the present invention and suction;
Fig. 4 cuts open figure for the syndeton master of lower bearing component and cam in the elevating mechanism among the present invention;
Fig. 5 is the syndeton vertical view of lower bearing component and cam in the elevating mechanism among the present invention.
The specific embodiment
Like Fig. 1, Fig. 2, Fig. 3, Fig. 4 and shown in Figure 5, present embodiment comprises the motor 1 of being with reductor, main shaft 2, four-way Connection Block 12, two bent-tube boiler turning arms 11,17, inhale chew 20, blow-off pipe 16, pneumatic sewage drain valve 13, elevating mechanism, two pressure sensors 29,30 and recoil cleaning control system.The motor 1 of band reductor is arranged on many filter cylinders filter housing 21 tops with elevating mechanism, and four-way Connection Block 12, two turning arms 11,17 are positioned at cavity of resorption.The gears engaged of the output gear of reductor and main shaft 2 upper ends, the output gear of reductor is thicker than mainshaft gear, and thickness difference is not less than the height that main shaft rises or falls.The motor 1 of band reductor is fixed on the filter housing 21.The upper end of main shaft 2 is equipped with the elevating mechanism that the control main shaft goes up and down.Elevating mechanism comprises the cam 24 and the cylinder 6 of upper and lower bearing assembly, symmetrical distribution.Upper and lower bearing assembly overcoat 4,23 is by on the holder 22 that is bolted to filter housing 21 upper ends, and cover 25,31 has spindle hole 10 in the upper and lower bearing assembly.Main shaft 2 is positioned at upper and lower bearing assembly cover 25,31 spindle holes 10, and is fixed together with upper and lower bearing assembly 25,31 interior covers.Cam 24 is symmetrically distributed in the both sides of main shaft 2; It is positioned at the cam hole 8 that has on the lower bearing component overcoat 23; And be hinged on lower bearing component overcoat 23 walls by bearing pin 3; Its eccentric end is fixed on the cylinder piston rod 5 that passes through the lower bearing component overcoat wall, and cylinder 6 symmetries are fixed on the cylinder holder of housing 21 upper ends, and the action of cylinder 6 is controlled by the control system.18 is ball.Cam 24 crouches at ordinary times, and main shaft 2 is in extreme lower position, and when cam 24 was holded up, main shaft 2 was in the extreme higher position.Main shaft 2 passes through filter housing 21 epicoele walls and dividing plate 27, and the lower end is fixed with ring flange 32 by bolt 33, and four-way Connection Block port 48 is welded with the edge of ring flange 46, two ring flanges 32,46 and is in the same place with spacers by bolt, nut 47.Two turning arms, 17,11 lower port are welded on each sidewall opening 45,35 in the middle of the four-way Connection Block, and are communicated with four-way Connection Block 12.Four-way Connection Block lower port 36 is welded with ring flange 43; The convex edge 34 that seal 42 upper ends have the ring flange 43 with four-way Connection Block lower port to be complementary; Seal 42 is fixed together by bolt 44 with four-way Connection Block lower port; The lower surface of convex edge, seal 42 upper end is welded with guide pillar 40, seal 42 lower end overcoat rotating rings 38.The inner convex platform of rotating ring 38 lower ends is connected to deciding in ring 39 grooves of filter blow-off pipe 16 port; Outer lug boss has the guide pillar hole that is complementary with guide pillar 40; Guide pillar 40 is positioned at the guide pillar hole; Be with spring 41 on the guide pillar 40 between the outer lug boss of the convex edge of seal 42 upper ends and rotating ring 38 lower ends, corresponding seal groove is arranged respectively on seal 42 and the rotating ring 38, be crimped with sealing ring 37 in the seal groove.Two turning arms, 17,11 port be fixed with dividing plate on water inlet 28 suction that can be tightly connected chew 20; Its fixed structure is: turning arm 17 or 11 port have a ring flange 49; 20 lower ends are chewed in suction has a ring flange 50, inhales to chew 20 and be in the same place by bolt through ring flange 50,49 with turning arm 17 or 11; Suction is chewed 20 upper end outer rim crimping and is adhesively fixed with a circle upper end and chews 7 for the fluorubber of umbrella shape.Blow-off pipe 16 pass through and sealing and fixing on filter housing 21 cavity of resorption walls, the end connects pneumatic sewage drain valve 13.What two pressure sensors 29,30 were installed in filter respectively enters sewage mouth 19 and pure water inlet 9 places; Its information output is connected on the recoil cleaning control system, and the output of recoil cleaning control system is connected on motor 1, the pneumatic sewage drain valve 13, the control end of cylinder 6.
The foregoing description only is preferred and exemplary, and those skilled in the art for example can adopt other structure realize this patent according to the description of this patent, like turning arm one, three or other number; Elevating mechanism adopts as long as guarantee only to make main shaft to go up and down and non-rotary other structure; Lead to other syndeton of joint chair and main shaft, turning arm and blow-off pipe or the like, it is all covered by the protection domain of this patent more.
Claims (5)
1. the automatic backwash system in the filter cylinder filter more than a kind is characterized in that: it comprises motor, the main shaft of being with reductor, lead to joint chair, one or more bent-tube boiler turning arm more, inhale chew, blow-off pipe, pneumatic sewage drain valve or electronic blowoff valve, elevating mechanism, two pressure sensors and recoil cleaning control system; Motor and the elevating mechanism of band reductor are arranged on above many filter cylinders filter housing, lead to joint chair, each turning arm is positioned at the filter cavity of resorption more; The gears engaged of the output gear of reductor and main shaft upper end, the output gear of reductor is thicker than mainshaft gear, and thickness difference is not less than the height that main shaft rises or falls; The motor of band reductor is fixed on the filter housing; The upper end of main shaft is equipped with the elevating mechanism that the control main shaft goes up and down; Main shaft passes through filter housing epicoele wall and dividing plate; The lower end is fixed on leads on the joint chair open upper end more; Each turning arm lower port is separately fixed on each sidewall opening that leads in the middle of the joint chair more, and with lead to joint chair more and be communicated with, port be fixed with dividing plate on the water inlet suction that can be tightly connected chew; Lead to that the joint chair lower ending opening is rotatable liftably to be fixed on the filter blow-off pipe port more, and be communicated with blow-off pipe; Blow-off pipe pass through and sealing and fixing on housing cavity of resorption wall, the end connects electronic blowoff valve or pneumatic sewage drain valve; What two pressure sensors were installed in filter respectively enters sewage mouth and pure water inlet place; Its information output is connected on the recoil cleaning control system, and the output of recoil cleaning control system is connected on motor, electronic blowoff valve or the pneumatic sewage drain valve, the control end of elevating mechanism.
2. according to the automatic backwash system in claim 1 more than the filter cylinder filter; It is characterized in that: the described syndetons of leading to joint chair and main shaft, each bent-tube boiler turning arm and blow-off pipe are more: there is ring flange described main shaft lower end by bolt; Leading to the joint chair port more and be welded with ring flange, is in the same place by bolt, nut and spacers in the edge of two ring flanges; Each turning arm lower port is welded on leads on each middle sidewall opening of joint chair more; Lead to the joint chair lower port more and be welded with ring flange; There is the convex edge that is complementary with the flange plate structure that leads to the joint chair lower port seal upper end more; Seal with lead to the joint chair lower port together by bolt more, the lower surface of convex edge, seal upper end is welded with guide pillar, seal lower end overcoat rotating ring; The inner convex platform of rotating ring lower end is connected to deciding in the annular groove of filter blow-off pipe port; Outer lug boss has the guide pillar hole that is complementary with guide pillar; Guide pillar is positioned at the guide pillar hole; Be with spring on the guide pillar between the convex edge of seal upper end and the outer lug boss of rotating ring lower end, corresponding seal groove is arranged respectively on seal and the rotating ring, be crimped with sealing ring in the seal groove.
3. according to the automatic backwash system in claim 1 or the 2 described many filter cylinders filters; It is characterized in that: described suction is chewed the structure that is fixed on the turning arm port and is: the turning arm port has a ring flange; The lower end is chewed in suction has a ring flange, inhales to chew with turning arm and is in the same place by bolt through ring flange; Suction is chewed upper end outer rim crimping and is adhesively fixed with a circle upper end and chews for the fluorubber of umbrella shape.
4. the automatic backwash system in many filter cylinders filter according to claim 3 is characterized in that: described elevating mechanism comprises the cam and the cylinder of upper and lower bearing assembly, symmetrical distribution; Upper and lower bearing assembly overcoat is fixed on the holder of filter housing upper end, and cover has spindle hole in the upper and lower bearing assembly; Main shaft is positioned at upper and lower bearing assembly cover spindle hole, and with upper and lower bearing assembly in overlap and be fixed together; Cam is symmetrically distributed in the both sides of main shaft; It is positioned at lower bearing component and puts the cam hole that has outward; And be hinged on the lower bearing component overcoat wall by bearing pin; Its eccentric end is fixed on the cylinder piston rod that passes through the lower bearing component overcoat wall, and the cylinder symmetry is fixed on the cylinder holder of filter housing upper end, and the action of cylinder is controlled by the control system.
5. according to the automatic backwash system in claim 1 or the 2 described many filter cylinders filters, it is characterized in that: described elevating mechanism comprises the cam and the cylinder of upper and lower bearing assembly, symmetrical distribution; Upper and lower bearing assembly overcoat is fixed on the holder of filter housing upper end, and cover has spindle hole in the upper and lower bearing assembly; Main shaft is positioned at upper and lower bearing assembly cover spindle hole, and with upper and lower bearing assembly in overlap and be fixed together; Cam is symmetrically distributed in the both sides of main shaft; It is positioned at lower bearing component and puts the cam hole that has outward; And be hinged on the lower bearing component overcoat wall by bearing pin; Its eccentric end is fixed on the cylinder piston rod that passes through the lower bearing component overcoat wall, and the cylinder symmetry is fixed on the cylinder holder of filter housing upper end, and the action of cylinder is controlled by the control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210304909.7A CN102784504B (en) | 2012-08-26 | 2012-08-26 | Automatic backwashing system in filtering device with multi filter drums |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210304909.7A CN102784504B (en) | 2012-08-26 | 2012-08-26 | Automatic backwashing system in filtering device with multi filter drums |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102784504A true CN102784504A (en) | 2012-11-21 |
| CN102784504B CN102784504B (en) | 2014-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210304909.7A Expired - Fee Related CN102784504B (en) | 2012-08-26 | 2012-08-26 | Automatic backwashing system in filtering device with multi filter drums |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN103432810A (en) * | 2013-09-06 | 2013-12-11 | 上海滤威过滤***有限公司 | Backwashing filter |
| WO2014086109A1 (en) * | 2012-12-04 | 2014-06-12 | 南通海利源船舶设备工程有限公司 | Automatic backwash type filtering device |
| CN104307234A (en) * | 2014-11-03 | 2015-01-28 | 南通海狮船舶机械有限公司 | High-precision, full-automatic and high-pressure backwashing filter for ballast water treatment system |
| CN105848749A (en) * | 2013-11-29 | 2016-08-10 | 现代重工业株式会社 | Filter device |
| CN109126251A (en) * | 2018-08-09 | 2019-01-04 | 温州匠振科技有限公司 | A kind of foreign body filtering and tapping equipment of automatic intelligent |
| CN109701305A (en) * | 2019-03-12 | 2019-05-03 | 中国电建集团中南勘测设计研究院有限公司 | A kind of automatic backwash blowdown water filter |
| CN110841359A (en) * | 2019-11-26 | 2020-02-28 | 无锡伊诺特过滤***有限公司 | Back flush filter |
| CN113648715A (en) * | 2021-10-20 | 2021-11-16 | 品孚罗特过滤设备（北京）有限公司 | Continuous filtering multi-cavity alternate offline composite filtering device |
| CN115105884A (en) * | 2022-08-29 | 2022-09-27 | 上寻环保科技(云南)有限公司 | Treatment tank for sewage treatment equipment |
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| 张德友 陈道林 卓培忠: "《新型自动反冲洗过滤机的开发与应用》", 《过滤与分离》 * |
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| 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 |
| CN103212232B (en) * | 2013-05-07 | 2015-07-22 | 南通海狮船舶机械有限公司 | Full-automatic high-precision back-flushing filter |
| CN103432810A (en) * | 2013-09-06 | 2013-12-11 | 上海滤威过滤***有限公司 | Backwashing filter |
| CN103432810B (en) * | 2013-09-06 | 2015-04-01 | 上海滤威过滤***有限公司 | Backwashing filter |
| CN105848749A (en) * | 2013-11-29 | 2016-08-10 | 现代重工业株式会社 | Filter device |
| CN104307234A (en) * | 2014-11-03 | 2015-01-28 | 南通海狮船舶机械有限公司 | High-precision, full-automatic and high-pressure backwashing filter for ballast water treatment system |
| CN109126251A (en) * | 2018-08-09 | 2019-01-04 | 温州匠振科技有限公司 | A kind of foreign body filtering and tapping equipment of automatic intelligent |
| CN109701305A (en) * | 2019-03-12 | 2019-05-03 | 中国电建集团中南勘测设计研究院有限公司 | A kind of automatic backwash blowdown water filter |
| CN110841359A (en) * | 2019-11-26 | 2020-02-28 | 无锡伊诺特过滤***有限公司 | Back flush filter |
| CN113648715A (en) * | 2021-10-20 | 2021-11-16 | 品孚罗特过滤设备（北京）有限公司 | Continuous filtering multi-cavity alternate offline composite filtering device |
| CN115105884A (en) * | 2022-08-29 | 2022-09-27 | 上寻环保科技(云南)有限公司 | Treatment tank for sewage treatment equipment |
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