CN205495080U - Self -cleaning net filter - Google Patents
Self -cleaning net filter Download PDFInfo
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- CN205495080U CN205495080U CN201620301039.1U CN201620301039U CN205495080U CN 205495080 U CN205495080 U CN 205495080U CN 201620301039 U CN201620301039 U CN 201620301039U CN 205495080 U CN205495080 U CN 205495080U
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Abstract
The utility model discloses a self -cleaning net filter, including internal partitioning become the blowdown cavity with the barrel that filters the cavity and install on the barrel and with the communicating backwash valve of blowdown cavity, the indoor portion of filter chamber is provided with thin filtering component and coarse filtration net, this filter is still including wearing to establish the lead screw in the barrel and driving lead screw pivoted motor, the inside blow off pipe that is provided with of thin filtering component, the blowdown pipe box is established on the lead screw and is driven the blow off pipe by the lead screw and makes axial motion and rotary motion, be provided with a plurality of soil pick -up mouth on the blow off pipe, this blow off pipe lies in one of blowdown cavity and serves division through -hole that has intercommunication blowdown cavity and soil pick -up mouth. It has backwash function, and does not need the stop work just can wash the filter screen.
Description
Technical field
The utility model relates to field of water treatment equipment, particularly to a kind of self-cleaning net type filter.
Background technology
Existing light water filter does not possess backwashing function, and after filtering work a period of time, the particle in water sticks on filter screen, needs to quit work, and could be carried out filter screen or change, and affects work continuity and the benefit of system.
Such as prior art: Chinese Patent Application No. is the self-cleaning filter of 200810115236.4 announcements, including: shell and the filtration barrel body being positioned at this shell, shell and filtration barrel body respectively include bottom and end cap, the upper end of described shell is provided with flow inlet, described filtration barrel body and an outflow tube communicate, this outflow tube is through described shell, spiral cloth chute is set between described shell and filtration barrel body, this spiral cloth chute is fixed on shell and keeps certain gap with filtration barrel body, it is additionally provided with refluxing opening in the bottom of described shell, this refluxing opening connects with described spiral cloth chute, described flow inlet is positioned at the top of spiral cloth chute, and refluxing opening is positioned at the end of spiral cloth chute.
Utility model content
The purpose of this utility model is to provide a kind of self-cleaning net type filter, and it has a backwashing function, and need not quit work and just can be carried out filter screen.
Above-mentioned technical purpose of the present utility model has the technical scheme that self-cleaning net type filter, it is characterized in that, the backwash valve being separated into blowdown chamber and the cylinder of filtering chamber including inside and being installed on cylinder and communicate with described blowdown chamber；Described filtering chamber is internally provided with thin filter assemblies and coarse filtration net；This filter also includes the screw mandrel being located in cylinder and drives the motor of screw turns；Described thin filter assemblies is internally provided with blow-off pipe, and described blow-off pipe is set on leading screw and is driven blow-off pipe to make axially-movable and rotary motion by leading screw；Being provided with several pollution-absorbing nozzles on described blow-off pipe, this blow-off pipe is positioned on one end of blowdown chamber the through hole having connection blowdown chamber with pollution-absorbing nozzle.
This filter operation principle: water enters from water inlet, first passes around coarse strainer and filters out the impurity of larger particles, then arrive thin filter assemblies, is filtered off by less granule foreign further by the thin screen pack in thin filter assemblies from water.In filter process, thin screen pack building up the foul in water, impurity, its inwall is formed impurity layer, owing to impurity layer is deposited in the inner side of thin screen pack, therefore the inside and outside both sides at thin screen pack are the formation of a pressure reduction.
When this pressure reduction reaches preset value, will start automatic cleaning process, water purification supply around here is not interrupted.Hydraulic pressure in blowdown chamber and dirt sucking tube significantly declines, and produces a soil pick-up process from there through pollution-absorbing nozzle between dirt sucking tube and blowdown chamber；Meanwhile, driven by motor dirt sucking tube along leading screw axially-movable and rotates.Pollution-absorbing nozzle is drawn into blowdown chamber the dirt on thin screen pack, and then backwash valve is opened and discharged from backwash valve.Whole filter screen inner surface is cleaned up completely by dirt sucking tube axially-movable with the combination of rotary motion.
Arranging further, several pollution-absorbing nozzles are in staggered distribution setting along the axially spaced-apart of blow-off pipe.
It is arranged such, in the same time, filter screen inner surface is carried out multi-azimuth cleaning；Improve cleaning efficiency.
Arranging further, each pollution-absorbing nozzle is arranged with suction tool, described suction has multiple suction inlet the inwall matched in clearance with thin filter assemblies.
Be arranged such, inhale tool there is multiple suction inlet can soil pick-up efficiency further；Leaving certain interval is for beneficially current or the flowing of air, improves its soil pick-up speed.
Arranging further, be provided with multiple projection near the described suction inlet inhaling tool, this protruding inwall with thin filter assemblies is conflicted.
Being arranged such, the protruding inwall with thin screen pack is conflicted, and blow-off pipe is when rotating, and protruding one is to scrape off the dirt being difficult to suck on inwall；Two are, prevent accumulation of mud from obtaining the thickest thus cause the suction inlet inhaling tool to be close together with schmutzband；Make to leave between the two the flowing in gap, beneficially air or current；Improve soil pick-up efficiency further.
Arranging further, described projection is semicircle shape, and multiple projection along the radial distribution of suction inlet and to be combined into one ring-type.
It is arranged such, multiple protruding composition one ring-type brush portion, beneficially blow-off pipe are brushed away, when rotating, the dirt being difficult to suck.
Arranging further, each pollution-absorbing nozzle is arranged with suction tool, it is the arcwall face arched upward in the middle part of lateral that described suction has the front end face corresponding with thin filter assemblies inwall；This suction has a suction inlet, and the bore of described suction inlet successively decreases along front end face direction to back end.
It is arranged such, if schmutzband is the thickest, inhales tool and fit in its absorption；Because the front end face inhaling tool is arcwall face, suction inlet is not completely plugged；Air or current can outer side inflows, it is achieved convection current；Improve soil pick-up efficiency.
Arranging further, described tool of inhaling is provided with the diversion division that self-priming tool surface stretches out and external diameter is gradually reduced along the direction that blow-off pipe rotates, and the sidewall shape of described diversion division is arc shape.
Being arranged such, when rotated, the rotary motion track inhaling tool is perpendicular to the direction that current are come in blow-off pipe；Therefore, inhale and on tool, be provided with bullet-headed diversion division, inhale tool and can reduce the resistance of water when rotated.
Arranging further, this filter also includes the urgent backwash valve being arranged on cylinder and communicating with described blowdown chamber.
It is arranged such, if filter water inlet and the pressure reduction of delivery port keep constant；Urgent backwash valve is opened with backwash valve simultaneously, backwashes；After pressure reduction reduces, urgent backwash valve cuts out with backwash valve.
In sum, the utility model has the advantages that
1, whole filter screen inner surface is cleaned up completely by the dirt sucking tube axially-movable of this filter with the knot merga pass pollution-absorbing nozzle of rotary motion；
2, on pollution-absorbing nozzle, it is additionally arranged suction tool, improves soil pick-up efficiency.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model；
Fig. 2 is the sectional structure schematic diagram of the present embodiment 1；
Fig. 3 is the partial structurtes schematic diagram of the present embodiment 2, is mainly used in embodying the structure inhaling tool；
Fig. 4 is the partial structurtes schematic diagram of the present embodiment 3, is mainly used in embodying the structure inhaling tool；
Fig. 5 is the structural representation that the present embodiment 3 inhales tool.
In figure, 1, cylinder, 11, blowdown chamber, 12, filtering chamber, 2, dividing plate, 3, thin filter assemblies, 31, thin screen pack, 32, upper sealing gasket, 33, lower seal circle, 4, coarse filtration net, 5, water inlet, 6, filter screen handle, 7, backwash valve, 8, urgent backwash valve, 9, motor, 10, leading screw shell, 13, leading screw, 14, travel switch, 15, blow-off pipe, 16, pollution-absorbing nozzle, 17, inhale tool, 18, suction inlet, 19, protruding, 20, arcwall face, 21, diversion division.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
This specific embodiment is only to explanation of the present utility model; it is not to restriction of the present utility model; the present embodiment can be made after reading this specification by those skilled in the art as required does not has the amendment of creative contribution, but as long as all being protected by Patent Law in right of the present utility model.
Embodiment 1
As illustrated in fig. 1 and 2, self-cleaning net type filter, including cylinder 1, in cylinder 1, there are 2 its cavitys of a dividing plate to be separated into blowdown chamber 11 and filtering chamber 12.Thin filter assemblies 3 is arranged in filtering chamber 12 with coarse filtration net 4；Coarse filtration net 4 is at water inlet 5.Thin filter assemblies 3 is threaded connection with coarse filtration net 4.Wherein, filter screen handle 6 is installed between the two.On this filter screen handle 6, filter screen bearing is installed.
See that Fig. 2, thin filter assemblies 3 include thin screen pack 31, upper sealing gasket 32 and lower seal circle 33.Upper sealing gasket 32 is arranged on the front end of thin screen pack 31, and lower seal circle 33 is arranged on the rear end of thin screen pack 31.
See Fig. 2, the cylinder 1 of filter is provided with backwash valve 7 and urgent backwash valve 8.Backwash valve 7 and urgent backwash valve 8 all communicate with blowdown chamber 11.
See that Fig. 2, motor 9 are screwed in away from cylinder 1 end of water inlet 5 by leading screw 13 shell 10.One end of leading screw 13 is connected with motor 9, and the other end sequentially passes through blowdown chamber 11 and filtering chamber 12 and is connected with filter screen bearing.Blow-off pipe 15 is positioned at the inside of thin screen pack 31 and is set on leading screw 13, leading screw 13 drive it to move axially and rotary motion.It is provided with on leading screw 13 shell 10 and controls the travel switch 14 that motor 9 opens and closes.
Several pollution-absorbing nozzles 16 it are provided with on blow-off pipe 15.Those pollution-absorbing nozzles 16 are in staggered distribution setting along the axially spaced-apart of blow-off pipe 15.
Principle: water enters from water inlet 5, is first passed around coarse strainer and filters out the impurity of larger particles, then arrive thin filter assemblies 3, filtered off by less granule foreign further by the thin screen pack 31 in thin filter assemblies 3 from water.In filter process, thin screen pack 31 building up the foul in water, impurity, its inwall is formed impurity layer, owing to impurity layer is deposited in the inner side of thin screen pack 31, therefore the inside and outside both sides at thin screen pack 31 are the formation of a pressure reduction.
When this pressure reduction reaches preset value, will start automatic cleaning process, water purification supply around here is not interrupted.Hydraulic pressure in blowdown chamber 11 and dirt sucking tube significantly declines, and produces a soil pick-up process from there through pollution-absorbing nozzle 16 between dirt sucking tube and blowdown chamber 11；Meanwhile, motor 9 drives dirt sucking tube along leading screw 13 axially-movable and to rotate.Dirt on the thin screen pack 31 of pollution-absorbing nozzle 16 is drawn into blowdown chamber 11, and then backwash valve 7 is opened and discharged from backwash valve 7.Whole filter screen inner surface is cleaned up completely by dirt sucking tube axially-movable with the combination of rotary motion.
If filter water inlet and the pressure reduction of delivery port keep constant；Urgent backwash valve 8 is opened with backwash valve 7 simultaneously, backwashes；After pressure reduction reduces, urgent backwash valve 8 cuts out with backwash valve 7.Travel switch 14 controls motor 9 and quits work；Whole system begins preparing for next backwashing period.
Embodiment 2
Embodiment 2 is with implementing 1 difference: see Fig. 3, and each blowdown mouth is provided with suction tool 17.Being shaped as of suction tool 17 is discoid.It has multiple suction inlet 18 and with thin screen pack 31(in fig. 2 shown in) inwall matched in clearance.
Inhale the projection 19 being provided with multiple semicircle shape near the suction inlet 18 of tool 17, and combine one ring-type brush portion of formation.Those protruding 19 with thin screen pack 31(in fig. 2 shown in) inwall conflict.
Inhale tool 17 and can strengthen the soil pick-up effect of pollution-absorbing nozzle 16.The inwall of projection 19 and thin screen pack 31 is conflicted, and blow-off pipe 15 is when rotating, and protruding 19 1 is to scrape off the dirt being difficult to suck on inwall；Two are, prevent accumulation of mud from obtaining the thickest thus cause the suction inlet 18 inhaling tool 17 to be close together with schmutzband；Make to leave between the two the flowing in gap, beneficially air or current.
Embodiment 3
Embodiment 3 is with the difference of embodiment 1: see Fig. 4, and each blowdown mouth is provided with suction tool 17.See Fig. 5, inhale tool 17 shown in fig. 2 with thin screen pack 31() the corresponding front end face of inwall is the arcwall face 20 arched upward in the middle part of lateral.This suction tool 17 has a suction inlet 18, and the bore of suction inlet 18 successively decreases along front end face direction to back end.
Inhaling tool 17 to rotate with blow-off pipe 15, there is a diversion division 21 on the surface of its front impact current；This diversion division 21 self-priming has 17 surfaces and stretches out and external diameter is gradually reduced.The sidewall shape of diversion division 21 is arc shape.Diversion division 21 can reduce the resistance inhaling tool 17 water when rotated.
Claims (8)
1. self-cleaning net type filter, is characterized in that, is separated into the cylinder (1) of blowdown chamber (11) and filtering chamber (12) including inside and is installed on the backwash valve (7) that cylinder (1) is upper and communicates with described blowdown chamber (11)；Described filtering chamber (12) is internally provided with thin filter assemblies (3) and coarse filtration net (4)；This filter also includes the screw mandrel being located in cylinder (1) and the motor (9) driving leading screw (13) to rotate；Described thin filter assemblies (3) is internally provided with blow-off pipe (15), and described blow-off pipe (15) is set in leading screw (13) and above and is driven blow-off pipe (15) to make axially-movable and rotary motion by leading screw (13)；Being provided with several pollution-absorbing nozzles (16) on described blow-off pipe (15), this blow-off pipe (15) is positioned on one end of blowdown chamber (11) the through hole having connection blowdown chamber (11) with pollution-absorbing nozzle (16).
Self-cleaning net type filter the most according to claim 1, is characterized in that, several pollution-absorbing nozzles (16) are in staggered distribution setting along the axially spaced-apart of blow-off pipe (15).
Self-cleaning net type filter the most according to claim 1, is characterized in that, each pollution-absorbing nozzle (16) is arranged with suction tool (17), and described tool (17) of inhaling has multiple suction inlet (18) the inwall matched in clearance with thin filter assemblies (3).
Self-cleaning net type filter the most according to claim 3, is characterized in that, the inwall being provided with multiple projection (19), this projection (19) and thin filter assemblies (3) near the described suction inlet (18) inhaling tool (17) is conflicted.
Self-cleaning net type filter the most according to claim 4, is characterized in that, described projection (19) is semicircle shape, and multiple projection (19) along the radial distribution of suction inlet (18) and to be combined into one ring-type.
Self-cleaning net type filter the most according to claim 1, it is characterized in that, being arranged with suction tool (17) on each pollution-absorbing nozzle (16), the described front end face inhaling tool (17) corresponding with thin filter assemblies (3) inwall is the arcwall face (20) arched upward in the middle part of lateral；This suction tool (17) has a suction inlet (18), and the bore of described suction inlet (18) successively decreases along front end face direction to back end.
Self-cleaning net type filter the most according to claim 6, it is characterized in that, described tool (17) of inhaling is provided with the diversion division (21) that self-priming tool (17) surface stretches out and external diameter is gradually reduced along the direction that blow-off pipe (15) rotates, and the sidewall shape of described diversion division (21) is arc shape.
Self-cleaning net type filter the most according to claim 1, is characterized in that, this filter also includes and is arranged on the urgent backwash valve (8) that cylinder (1) is upper and communicates with described blowdown chamber (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620301039.1U CN205495080U (en) | 2016-04-11 | 2016-04-11 | Self -cleaning net filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620301039.1U CN205495080U (en) | 2016-04-11 | 2016-04-11 | Self -cleaning net filter |
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| Publication Number | Publication Date |
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| CN205495080U true CN205495080U (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620301039.1U Active CN205495080U (en) | 2016-04-11 | 2016-04-11 | Self -cleaning net filter |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106178648A (en) * | 2016-08-26 | 2016-12-07 | 康兵红 | A kind of novel sewage-absorbing filter |
| CN108144208A (en) * | 2017-11-27 | 2018-06-12 | 马超 | A kind of Respiratory Medicine isolating device |
| CN108302095A (en) * | 2018-01-30 | 2018-07-20 | 辽宁科技学院 | A kind of hydraulic oil pipe with filter device |
| CN109957924A (en) * | 2017-12-25 | 2019-07-02 | 青岛海尔滚筒洗衣机有限公司 | A kind of sewage water filtration recyclable device, washing machine and control method |
| CN112691415A (en) * | 2019-10-23 | 2021-04-23 | 揭阳市蓝润科技有限公司 | Backwashing filter and cleaning method |
-
2016
- 2016-04-11 CN CN201620301039.1U patent/CN205495080U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106178648A (en) * | 2016-08-26 | 2016-12-07 | 康兵红 | A kind of novel sewage-absorbing filter |
| CN106178648B (en) * | 2016-08-26 | 2019-05-24 | 康兵红 | A kind of sewage-absorbing filter |
| CN108144208A (en) * | 2017-11-27 | 2018-06-12 | 马超 | A kind of Respiratory Medicine isolating device |
| CN108144208B (en) * | 2017-11-27 | 2020-09-15 | 李钦浩 | Isolation device for respiratory medicine |
| CN109957924A (en) * | 2017-12-25 | 2019-07-02 | 青岛海尔滚筒洗衣机有限公司 | A kind of sewage water filtration recyclable device, washing machine and control method |
| CN109957924B (en) * | 2017-12-25 | 2022-09-23 | 佛山海尔滚筒洗衣机有限公司 | Sewage filtering and recycling device, washing machine and control method |
| CN108302095A (en) * | 2018-01-30 | 2018-07-20 | 辽宁科技学院 | A kind of hydraulic oil pipe with filter device |
| CN112691415A (en) * | 2019-10-23 | 2021-04-23 | 揭阳市蓝润科技有限公司 | Backwashing filter and cleaning method |
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