CN104606949A - Water collection purifying and filtering device for sedimentation tank - Google Patents
Water collection purifying and filtering device for sedimentation tank Download PDFInfo
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- CN104606949A CN104606949A CN201410836652.9A CN201410836652A CN104606949A CN 104606949 A CN104606949 A CN 104606949A CN 201410836652 A CN201410836652 A CN 201410836652A CN 104606949 A CN104606949 A CN 104606949A
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- sedimentation basin
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Abstract
The invention relates to the technical field of water treatment, and discloses a water collection purifying and filtering device for a sedimentation tank. The water collection purifying and filtering device for the sedimentation tank comprises the sedimentation tank, a water collecting well and a plurality of purifying and filtering devices arranged in the sedimentation tank, wherein one end of the purifying and filtering device is communicated with the sedimentation tank, and the other end of the purifying and filtering device is communicated with the water collecting well; each purifying and filtering device comprises a water collecting long pipe and a plurality of filter cartridges, the filter cartridges are arranged outside the corresponding water collecting long pipe in a sleeving mode, through holes are respectively formed in the filter cartridges and the water collecting long pipe, and a filter screen is arranged on the outer side of each filter cartridge. In the water collection purifying and filtering device for the sedimentation tank provided by the invention, after water is sedimented through the sedimentation tank, and then enters the water collecting long pipes from the filter cartridges, and the two technologies of sedimentation and filtration can be completed in the sedimentation tank, so that the construction of an individual filter tank is omitted. The purification effect is good, the effluent quality is improved, and the device is simple in purification technology and small in occupied area; the device has the advantages of simple structure, low cost and wide application range.
Description
Technical field
The present invention relates to water-treatment technology field, particularly relate to a kind of sedimentation basin and catchment and only filter device, particularly simple and floor space the is little sedimentation basin of a kind of good purification, technique catchments and only filters device.
Background technology
In water treatment, precipitation-filtering technique is a kind of traditional handicraft, is used for the advanced treating in sewage disposal, and two kinds of techniques combine in order to steady removal suspension (English of suspension is called: suspended solid, hereinafter referred to as SS).
As shown in Figure 1 to Figure 3, the function of sedimentation basin 1 is the SS in water to be deposited in pond by the effect of gravity, and the water leg 2 of water in sedimentation basin 1 rear end by sleeve configuration through precipitation process is collected, then flow to filtering ponds.If only through precipitation, usual effluent quality cannot ensure.For making sedimentation basin 1 water yielding condition as well as possible, the water leg of usual sedimentation basin end need arrange longer downflow weir 3, primary water overflows across the crest of weir of downflow weir 3, delivery port 4 is drained into through water leg 2, water leg 2 is supported by support column 5, primary water flow to braiding channel 7, then converges in sump 6, discharges finally by outlet pipe 8.For preventing mud and scum silica frost to run off, sedimentation basin 1 water side should keep an all even stable flow velocity.But because water outlet is often subject to the change of wind speed or water body density own, flow velocity is often uneven, can cause sludge loss, affect effluent quality.And for advanced treatment of wastewater, the SS in water is relatively lighter, and not easily precipitate in sedimentation basin 1, scum silica frost can flow in water leg 2, makes water outlet SS stablize and reaches below 10mg/L.Therefore sewage after precipitation, has to pass through filtration treatment, and SS just can be made to reach the requirement of country " urban wastewater treatment firm pollutant emission standard " (GB 18918-2002) one-level A standard.
The effect of filtering ponds is for removing suspended particulate and colloidal impurity, particularly with the molecule that gravitational settling method can not effectively be removed, traditional filtering pond adopts sand filtration technique, is the treatment process that granular filter material layer by having space retains fine particle in waste water.This kind of filtering technique takes up an area comparatively large, need arrange independent filtering ponds, backwash air blast machine room and pump house, and civil engineering and equipment investment more.
In view of the defect of above-mentioned prior art, need to provide a kind of good purification, technique simple and floor space is little sedimentation basin catchments and only filters device.
Summary of the invention
(1) technical problem that will solve
The technical problem to be solved in the present invention is the change that existing sedimentation basin water outlet is often subject to wind speed or water body density own, and flow velocity is often uneven, can cause sludge loss, affect effluent quality.SS in water is relatively lighter, and not easily precipitate in sedimentation basin, scum silica frost can flow in water leg, makes water outlet SS stablize the standard of reaching.Sewage after precipitation, has to pass through filtration treatment.And existing filtering ponds take up an area comparatively large, civil engineering and the more problem of equipment investment.
(2) technical scheme
In order to solve the problems of the technologies described above, a kind of sedimentation basin provided by the invention catchments and only filters device, and it comprises: sedimentation basin, sump, and is arranged at the multiple clean filter device in sedimentation basin; One end of described clean filter device is communicated with described sedimentation basin, the other end is communicated with described sump, described clean filter device comprises catchment long tube and multiple filter cylinder, catchment described in described filter cylinder is set in outside long tube, described filter cylinder and the long tube that catchments are provided with through hole, and described filter cylinder arranged outside has screen pack.
Wherein, also comprise aspirator, described aspirator comprises suction pump and chain, and described second suction tube corresponds to described filter screen and is arranged on described filter cylinder, and the long tube that catchments described in described chain-driving is around its axial rotation.
Wherein, also comprise the suction pump be connected with described second suction tube, and the motor be connected with described chain.
Wherein, also comprise the liquid level gauge be arranged in described sedimentation basin, described liquid level gauge is connected with controller, and described controller is connected with described suction pump and motor respectively.
Wherein, described aspirator also comprises the sucker being arranged at described filter cylinder two ends, and described second suction tube is connected with described sucker.
Wherein, the aperture of described screen pack is less than 10um.
Wherein, the diameter of described filter cylinder is 0.5-1.2m, described in the catchment diameter of long tube be 0.25-0.4m.
Wherein, also comprise multiple support column, described in the long tube that catchments be arranged in described sedimentation basin by described support column.
Wherein, the material of described filter cylinder and the long tube that catchments is stainless steel.
(3) beneficial effect
Technique scheme tool of the present invention has the following advantages: one end of clean filter device provided by the invention is communicated with sedimentation basin, the other end is communicated with sump, clean filter device comprises catchment long tube and multiple filter cylinder, filter cylinder is set in and catchments outside long tube, filter cylinder and the long tube that catchments are provided with through hole, and filter cylinder arranged outside has screen pack.Sedimentation basin provided by the invention to catchment in clean filter device water after sedimentation basin precipitation, then enters from filter cylinder and catchment in long tube, can complete precipitation and filter two kinds of techniques in sedimentation basin, thus saves and build independent filtering ponds.Good purification had both improve effluent quality and process for purifying is simple, floor space is little; There is the advantage that structure is simple, cost is low and applied widely.
Accompanying drawing explanation
Fig. 1 is the Facad structure schematic diagram of the sedimentation basin water leg of background technology of the present invention;
Fig. 2 is the side structure schematic diagram of the sedimentation basin water leg of background technology of the present invention;
Fig. 3 is the top view of the sedimentation basin water leg of background technology of the present invention;
Fig. 4 is that the sedimentation basin of the embodiment of the present invention catchments the Facad structure schematic diagram of clean filter device;
Fig. 5 is that the sedimentation basin of the embodiment of the present invention catchments the side structure schematic diagram of clean filter device;
Fig. 6 is that the sedimentation basin of the embodiment of the present invention catchments the top view of clean filter device.
In figure: 1: sedimentation basin; 2: water leg; 3: downflow weir; 4: delivery port; 5: support column; 6: sump; 7: braiding channel; 8: outlet pipe; 9: filter cylinder; 10: catchment long tube; 11: regulate weir plate; 12: motor; 13: chain; 14: suction pump; 15: the first suction tubes; 16: the second suction tubes; 17: sucker; 18: screen pack; 19: normal level; 20: cleaning liquid level; 21: liquid level gauge; 22: wall connecting piece; 23: through hole; 24: chain connector.
Detailed description of the invention
In describing the invention, except as otherwise noted, the implication of " multiple " is two or more; Term " on ", D score, "left", "right", " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the machine of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
As shown in Figures 4 to 6, the sedimentation basin that the embodiment of the present invention the provides clean filter device that catchments comprises: sedimentation basin 1, sump 6, and is arranged at the multiple clean filter device in sedimentation basin 1; One end of clean filter device is communicated with sedimentation basin 1, and the other end is communicated with sump 6, also comprises multiple support column 5, and the long tube 10 that catchments is arranged in sedimentation basin 1 by support column 5.Clean filter device comprises catchment long tube 10 and multiple filter cylinder 9.The long tube 10 that catchments is fixed on body of wall by wall connecting piece 22, correspondingly with the delivery port 4 on body of wall to arrange, water outlet enters in braiding channel 7, the channel water that catchments is collected in sump 6, weir plate 11 is vertically provided with in the middle of in sump 6, the top of weir plate 11 is at least pushed up equal with filter cylinder 9, and water jumps from weir plate 11 top opposite side to sump, is flowed out by outlet pipe 8.Filter cylinder 9 is set in and catchments outside long tube 10, filter cylinder 9 and the long tube 10 that catchments are provided with through hole, the long tube 10 that catchments are provided with through hole 23, filter cylinder 9 is provided with multiple circular port, water after precipitation enters outside water inlet pipe 10 from the circular port filter cylinder 9, then is entered by through hole 23 and catchment in long tube 10.Flow into again in sump 6 through collecting inflow collection canal 7.Filter cylinder 9 arranged outside has screen pack 18, and screen pack 18 adopts nylon fiber to filter felt or steel-wire screen.Flow to end through the precipitation water outlet of removing after bulky grain SS in sedimentation basin 1 and only filter device, water outlet enters filter cylinder 9 from outside to inside, and fine particle is trapped in outside by filter screen 18, and it is inner that the water filtered after clarification can enter filter cylinder 9.Sedimentation basin provided by the invention to catchment in clean filter device water after sedimentation basin precipitation, then enters from filter cylinder and catchment in long tube, completing precipitation and filters, replacing existing water leg with only filtering device.Precipitation can be completed and filter two kinds of techniques in sedimentation basin 1, thus saving the independent filtering ponds of construction.Good purification had both improve effluent quality and process for purifying is simple, floor space is little; There is the advantage that structure is simple, cost is low and applied widely.The lightweight scum silica frost cannot removed for gravitational settling also can be removed, and avoids the situation that scum silica frost and mud are carried in the water outlet of sedimentation basin water leg.
Clean filter device in the present embodiment should be submerged in below the liquid level of sedimentation basin 1, guarantee filter cylinder 9 all external surface area is effective filtration area, therefore adjusting water outlet weir plate 11 should be set in the sump 6 of long tube 10 backend collection water outlet that catchments, this weir plate 11 is made at least to push up equal with filter cylinder 9, during to ensure proper set water filtration, filter cylinder 9 can be made to be submerged in liquid level under.And the change by regulating weir plate 11 highly to adapt to the different water yield.
Filter cylinder 9 in the present embodiment is fixed together by welding with the long tube 10 that catchments, and the material of filter cylinder 9 and the long tube 10 that catchments is stainless steel.Screen pack 18 is provided with multiple hole, and the aperture on screen pack 18 is less than 10um.Water outlet requires that SS just can reach below 5mg/L.The aperture of the circular port of filter cylinder 9 is 1-2cm.The diameter of filter cylinder 9 is 0.5-1.2m, and the diameter of the long tube 10 that catchments is 0.25-0.4m, and diameter is all unsuitable excessive, because when diameter is excessive, sedimentation basin 1 may be goed deep into too much, make to enter catchment clean filter device water outlet in carry scum silica frost more, increase the frequency of cleaning clean filter device.And should ensure that the filtration load only filtering device is for being 8-10m3/m2.h, to ensure only to filter effect preferably.
Namely the sedimentation basin provided by the invention clean filter device that catchments as the discharging device of sedimentation basin, as filter, therefore can can save the larger filtering ponds of occupation of land, save occupation of land, reduce civil engineering and equipment investment again.When not needing to arrange filtering ponds, SS namely can be made to be reduced to below 5mg/L, making stable water outlet reach the requirement of country " urban wastewater treatment firm pollutant emission standard " (GB 18918-2002) one-level A standard for SS.Only be arranged on sedimentation basin 1 water outlet end, do not increase the volume of sedimentation basin 1, and eliminate filtering ponds monomer structures, but water outlet SS is stable reaches below 10mg/L, identical with the effect arranging filtering ponds.
Clean filter device of the present invention is for convenience detach, and the screen pack 18 when filter cylinder 9 surface needs also can dismantle during dismounting.Range of application is very wide, be suitable for the transformation of water factory, without the need to increasing floor space and increasing complicated equipment, only need original water leg changed into catchmenting in sedimentation basin and only filter device, requirement after water outlet can be made to reach filtration, and do not need to build independent filtering ponds again.
In order to increase the service life, the present invention is also provided with can the aspirator of cleaned filter screen, and aspirator is corresponding with filter screen 18 to be arranged.Aspirator comprises suction pump 14 and chain 13, second suction tube 16 corresponds to screen pack 18 and is arranged on filter cylinder 9, second suction tube 16 is connected with suction pump 14, chain 13 is wrapped in and catchments on long tube 10, being fixed on by chain connector 24 catchments on long tube 10, and chain 13 drives the axial rotation of long tube 10 around the long tube 10 that catchments of catchmenting.Aspirator in this enforcement also comprises sucker 17, second suction tube 16 being arranged at filter cylinder 9 two ends and is connected with sucker 17.Sucker 17 is fixed on filter cylinder 9, fix row's sucker the radial direction of the end flat side, left and right of filter cylinder 9 is each, and row's sucker is arranged in the center of filter cylinder 9 curved sides, this three places sucker links together, be fixed on filter cylinder by fixtures such as springs, filter cylinder 9 rotates with the long tube 10 that catchments together by chain 13, multiple filter cylinder 9 can be set in the present invention and share one group of chain 13, when this group filter cylinder rotates, open suction pump 14, after filter, water is cleaned screen pack by the suction of suction pump 14, sucker 17 maintains static, filter cylinder rotates, thus the whole filtering surface of filter cylinder 9 can both be cleaned thoroughly.When one group or two groups of filter cylinder rotary-cleanings, other group filter cylinder 9 still static filtrations.When filter cylinder 9 rotary-cleaning, except suction inlet place, other filtering surfaces still bear filtering function.Therefore sedimentation basin continuum water purification filter can be realized.
The sedimentation basin that the embodiment of the present invention the provides clean filter device that catchments also comprises the suction pump 14 be connected with the second suction tube 16, and suction pump 14 is connected with the second suction tube 16 by the first suction tube 15.Also comprise the motor 12 be connected with chain 13, suction pump 14 and motor 12 are arranged at outside sedimentation basin 1.And the liquid level gauge 21 be arranged in sedimentation basin 1 or time controller, liquid level gauge 21 is connected with controller, and controller is connected with described suction pump 14 and motor 12 respectively, and the operation that controller participates in suction pump 14 and motor 12 controls.When liquid level is increased to setting liquid level, namely start suction and realize automatically controlling, management is flexible.
The catchment flow of clean filter device of the sedimentation basin of the embodiment of the present invention is 20000m
3/ day, the effluent quality of sedimentation tank before the clean filter device that catchments is: SS≤20mg/L; Final outflow water water quality is: SS≤10mg/L; If 4 groups are catchmented and only filter device, often group establishes 7 filter cylinders 9, and single filter cylinder length is 0.7m, and diameter is 1m, and filter cylinder 9 surface adopts stainless steel filtering net, and aperture is 10um.Long tube 10 length of catchmenting is 7.1m, and diameter is 0.3m, and single filter cylinder effective filtration area is 3.62m
2, filtration load is 8.2m
3/ m
2.h.Often organizing sucker 17 length is 1.4m, and arrange 4 suction pumps 14 altogether, separate unit flow is 50m
3/ h, lift is 5 meters.Filter cycle is 1 hour.The clean filter device that catchments is positioned at sedimentation basin 1 end, to be submerged under normal level under 0.2m, to regulate the weir crest height of weir plate 11 herewith highly identical in sump 6.
When the sedimentation basin of the embodiment of the present invention catchments and only filters device use, flow to end through the precipitation water outlet of removing after bulky grain SS in sedimentation basin 1 and only filter device, water outlet enters filter cylinder 9 from outside to inside, fine particle is trapped in outside by screen pack 18, it is inner that the water filtered after clarification enters filter cylinder 9, through hole 23 again by catchmenting on long tube 10, enters the long tube 10 that catchments, then is collected in braiding channel 7, sump 6 by the long tube 10 that catchments.
When the foul retained when filter cylinder surface gets more and more, need to clean the screen pack 18 on filter cylinder 9 surface, filter cylinder 9 rotates around the long tube 10 that catchments by chain 13, when filter cylinder 9 rotates, open suction pump 14, after filter, water is cleaned screen pack 18 by the suction of suction pump 14, and sucker 17 maintains static, filter cylinder 9 rotates, thus the whole filtering surface of filter cylinder 9 can both be cleaned thoroughly.When one group or two groups of filter cylinder rotary-cleanings, other group filter cylinder 9 still static filtrations.When filter cylinder 9 rotary-cleaning, except suction inlet place, other filtering surfaces still bear filtering function.Therefore sedimentation basin 1 continuum water purification filter can be realized.
In sum, the present invention has the following advantages: one end of clean filter device provided by the invention is communicated with sedimentation basin, the other end is communicated with sump, clean filter device comprises catchment long tube and multiple filter cylinder, filter cylinder is set in and catchments outside long tube, filter cylinder and the long tube that catchments are provided with through hole, and filter cylinder arranged outside has screen pack.Sedimentation basin provided by the invention to catchment in clean filter device water after sedimentation basin precipitation, then enters from filter cylinder and catchment in long tube, can complete precipitation and filter two kinds of techniques in sedimentation basin, thus saves and build independent filtering ponds.Good purification had both improve effluent quality and process for purifying is simple, floor space is little; There is the advantage that structure is simple, cost is low and applied widely.
Further, in order to increase the service life, the present invention is also provided with can the aspirator of cleaned filter screen.
Above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (9)
1. sedimentation basin catchments and only filters a device, it is characterized in that, comprising: sedimentation basin (1), sump (6), and is arranged at the multiple clean filter device in sedimentation basin (1); One end of described clean filter device is communicated with described sedimentation basin (1), the other end is communicated with described sump (6), described clean filter device comprises the long tube that catchments (10) and multiple filter cylinder (9), catchment long tube (10) outward described in described filter cylinder (9) is set in, described filter cylinder (9) and the long tube that catchments (10) are provided with through hole, and described filter cylinder (9) arranged outside has screen pack (18).
2. sedimentation basin as claimed in claim 1 catchments and only filters device, it is characterized in that: also comprise aspirator, described aspirator comprises the second suction tube (16) and chain (13), described second suction tube (16) is arranged on described filter cylinder (9) corresponding to described screen pack (18), catchments long tube (10) around its axial rotation described in described chain (13) drives.
3. sedimentation basin as claimed in claim 2 catchments and only filters device, it is characterized in that: also comprise the suction pump (14) be connected with described second suction tube (16), and the motor (12) be connected with described chain (13).
4. sedimentation basin as claimed in claim 3 catchments and only filters device, it is characterized in that: also comprise the liquid level gauge (21) be arranged in described sedimentation basin (1), described liquid level gauge (21) is connected with controller, and described controller is connected with described suction pump (14) and motor (12) respectively.
5. sedimentation basin as claimed in claim 2 catchments and only filters device, it is characterized in that: described aspirator also comprises the sucker (17) being arranged at described filter cylinder (9) two ends, described second suction tube (16) is connected with described sucker (17).
6. sedimentation basin as claimed in claim 1 catchments and only filters device, it is characterized in that: the aperture of described screen pack (18) is less than 10um.
7. sedimentation basin as claimed in claim 1 catchments and only filters device, it is characterized in that: the diameter of described filter cylinder (9) is 0.5-1.2m, described in the catchment diameter of long tube (10) be 0.25-0.4m.
8. sedimentation basin as claimed in claim 1 catchments and only filters device, it is characterized in that: also comprise multiple support column (5), described in the long tube (10) that catchments be arranged in described sedimentation basin (1) by described support column (5).
9. sedimentation basin as claimed in claim 1 catchments and only filters device, it is characterized in that: the material of described filter cylinder (9) and the long tube that catchments (10) is stainless steel.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410836652.9A CN104606949B (en) | 2014-12-29 | 2014-12-29 | A kind of sedimentation basin catchments and only filters device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410836652.9A CN104606949B (en) | 2014-12-29 | 2014-12-29 | A kind of sedimentation basin catchments and only filters device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104606949A true CN104606949A (en) | 2015-05-13 |
| CN104606949B CN104606949B (en) | 2016-01-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410836652.9A Active CN104606949B (en) | 2014-12-29 | 2014-12-29 | A kind of sedimentation basin catchments and only filters device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106390566A (en) * | 2016-11-24 | 2017-02-15 | 浙江泽林瑞沃环境科技有限公司 | Multiphase microfiltration equipment for river channels |
| CN108144346A (en) * | 2017-11-20 | 2018-06-12 | 深圳市市政设计研究院有限公司 | A kind of filtration system |
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| CN203525435U (en) * | 2013-10-22 | 2014-04-09 | 钟理发 | Efficient penetration filtering device |
| WO2014136433A1 (en) * | 2013-03-08 | 2014-09-12 | 株式会社 東芝 | Water treatment device and water treatment method |
| CN204411884U (en) * | 2014-12-29 | 2015-06-24 | 浦华环保有限公司 | A kind of sedimentation basin catchments and only filters device |
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| CN101569809A (en) * | 2009-06-12 | 2009-11-04 | 李星文 | Radial-flow type sedimentation and filtration integrated tank for sewage deep treatment |
| CN202096824U (en) * | 2011-04-28 | 2012-01-04 | 上海乐泽环境工程有限公司 | Integral filter |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106390566A (en) * | 2016-11-24 | 2017-02-15 | 浙江泽林瑞沃环境科技有限公司 | Multiphase microfiltration equipment for river channels |
| CN108144346A (en) * | 2017-11-20 | 2018-06-12 | 深圳市市政设计研究院有限公司 | A kind of filtration system |
| CN108144346B (en) * | 2017-11-20 | 2020-06-05 | 深圳市市政设计研究院有限公司 | Filtering system |
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| CN104606949B (en) | 2016-01-27 |
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