CN101584950B - System for filtering active sand - Google Patents
System for filtering active sand Download PDFInfo
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- CN101584950B CN101584950B CN2009101487729A CN200910148772A CN101584950B CN 101584950 B CN101584950 B CN 101584950B CN 2009101487729 A CN2009101487729 A CN 2009101487729A CN 200910148772 A CN200910148772 A CN 200910148772A CN 101584950 B CN101584950 B CN 101584950B
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Abstract
The invention discloses a system for filtering active sand, relating to the field of advanced wastewater treatment and micropolluted water purification, solving the problems of the existing system foradvanced wastewater treatment and micropolluted water purification, such as large occupying area, and complicated operations, and comprising: an inlet channel (1), a filter tank for active sand (2), an outlet channel (3), a collection pond (4) for polluted water from sand washing, an air compression system (5), and an electric control system (6). The system for filtering active sand can run continuously in day and night to overcome the defects of the traditional intermittent filtration back washing, saves backwashing pumps, valves and the like, does not need single flocculation tanks, clarification tanks and the like, has low engineering investment, rational and compact structure and stable effluent water quality.
Description
Technical field
The present invention relates to advanced treatment of wastewater and micro-polluted water field of purification, particularly relate to a kind of system for filtering active sand.
Background technology
Traditional " the one-level processing " of continuing to use for many years reaches " two stage treatment " water treatment technology and equipment, the difficult purified treatment requirement that adapts to current sewage, water outlet after the processing can not be satisfied the water quality requirement of city to reusing sewage, increasing " tertiary treatment " is advanced treatment process and equipment, has become the development trend of water treatment field in the future.At present,, process facility such as coagulating basin, sedimentation basin, filter element are set usually satisfying the requirement of effluent quality qualified discharge, but all exist shortcomings such as floor space is big, complicated operation in advanced treatment of wastewater and micro-polluted water field of purification.
Summary of the invention
The invention provides a kind of system for filtering active sand, problems such as existing advanced treatment of wastewater and micro-polluted water cleaning system floor space are big in order to solve, complicated operation.
A kind of system for filtering active sand of the present invention, by inlet channel 1, active sand filter 2, go out water channel 3, washed-out sand sewage collecting well 4, air compression system 5, and electric control system 6 is formed.Wherein inlet channel 1, is used for flowing into the water uniform water distribution to be filtered of active sand filter 2; Active sand filter 2 is used for filtering flowing into water wherein to be filtered, and collects the water after filtering; Go out water channel 3, be used to compile water outlet and discharge after active sand filter 2 filtration treatment; Washed-out sand sewage collecting well 4 is used for compiling washed-out sand sewage and the discharge that active sand filter 2 filter processes produce, and precipitates the sand filtering material that goes out active sand filter 2 with the washed-out sand effluent stream simultaneously; Air compression system 5 is used to promote dirty sand to the active sand filter top that filter process produces and cleans, to guarantee the continuous operation of system for filtering active sand; Electric control system 6 is used to control startup, operation and the warning of active sand filter 2 and air compression system 5.
Beneficial effect of the present invention is as follows:
A kind of system for filtering active sand that the present invention proposes, because comprising inlet channel 1, active sand filter 2, go out water channel 3, washed-out sand sewage collecting well 4, air compression system 5, and electric control system 6, the filtration of water inlet and the cleaning of sand filtering material are carried out simultaneously at the diverse location of active sand filter, make the present invention can make system for filtering active sand operation continuously in 24 hours, overcome the shortcoming that the traditional filtering interval backflushing is washed, save equipment such as backwashing pump and valve, need not to set up facilities such as coagulating basin, depositing reservoir, construction investment is few; System for filtering active sand reasonable structural arrangement and compactness, stable effluent quality.Therefore system for filtering active sand of the present invention is simple with respect to the prior art operation, efficient is high, and floor space is little, quantities is little.
The present invention does not need equipment such as backwashing pump and valve, and operating cost is low.
System for filtering active sand in the middle of running except that sand filtering material without any rotatable parts, fault rate is low, maintenance cost is low.
The system for filtering active sand loss of flood peak is little, is approximately 0.5m.
The system for filtering active sand influent quality requires loose, can bear the water inlet of SS concentration less than 150mg/L, and stable effluent quality.
System for filtering active sand adopts the unit operations mode to change according to the water yield to be increased flexibly or deletes filter element quantity, is easy to reorganization and expansion.
Description of drawings
Fig. 1 is the structural representation of a kind of system for filtering active sand of the present invention;
Fig. 2 is system's front view in the embodiment of the invention;
Fig. 3 is the structural representation of active sand filter in the embodiment of the invention;
Fig. 4 is processing technological flow figure involved in the present invention.
The specific embodiment
Problems such as existing advanced treatment of wastewater system and micro-polluted water cleaning system floor space are big in order to solve, complicated operation, the invention provides a kind of system for filtering active sand, this system is a kind of Collecting flocculation, clarifies, is filtered into the continuous filtration treatment process of one, can be widely used in fields such as the advanced treating of sewage and micro-polluted water purification.Specifically describe by the following examples.
Referring to shown in Figure 1, system for filtering active sand of the present invention by inlet channel 1, active sand filter 2, go out water channel 3, washed-out sand sewage collecting well 4, air compression system 5, and electric control system 6 is formed.Wherein inlet channel 1, is used for flowing into the water uniform water distribution to be filtered of active sand filter 2; Active sand filter 2 is used for filtering flowing into water wherein to be filtered, and collects the water after filtering; Go out water channel 3, be used to compile water outlet and discharge after active sand filter 2 filtration treatment; Washed-out sand sewage collecting well 4 is used for compiling washed-out sand sewage and the discharge that active sand filter 2 filter processes produce, and precipitates the sand filtering material that goes out active sand filter 2 with the washed-out sand effluent stream simultaneously; Air compression system 5 is used to promote dirty sand to the active sand filter top that filter process produces and cleans, to guarantee the continuous operation of system for filtering active sand; Electric control system 6 is used to control startup, operation and the warning of active sand filter 2 and air compression system 5.
Shown in Fig. 2,3, active sand filter 2 can comprise one or more filter elements 21 in the system for filtering active sand of the present invention, wherein each filter element 21 is made up of at least two active sand filters 211, and 211 minutes two rows of some active sand filters symmetrical parallel is positioned in the filter element 21.
Comprise in the active sand filter 211: range pipe 21101, washed-out sand branch sewer 21102, water-locator 21103, lead sand hopper 21104, frustum 21105, casting bed 21106, central tube 21107, air lift 21108, sand-washing device 21109, collecting container 21110, and with central tube 21107 is the center, be followed successively by frustum 21105 from the bottom up, air lift 21108, lead sand hopper 21104, water-locator 21103, range pipe 21101, sand-washing device 21109, washed-out sand branch sewer 21102, collecting container 21110, active sand filter promptly forms casting bed 21106 after filling filtrate sand.
Each filter element 21 corresponding distribution main 8 in the active sand filter 2, distribution main 8 links to each other with the range pipe 21101 of active sand filter in its place filter element, range pipe 8 connects one to one with the main body of active sand filter 211, and water to be filtered evenly is distributed in each active sand filter 211.Inlet channel 1 is positioned at the front end of active sand filter 2, and each distribution main 8 communicates with inlet channel 1, treats filtered water by inlet channel 1 by each distribution main 8 and carries out uniform water distribution.
Each filter element 21 corresponding washed-out sand trunk sewer 9 in the active sand filter 2, washed-out sand trunk sewer 9 links to each other with the washed-out sand branch sewer 21102 of active sand filter in its place filter element, washed-out sand branch sewer 21102 connects one to one with the main body of active sand filter 211, with washed-out sand sewage and the discharge that compiles each active sand filter 211.If directly discharge system for filtering active sand by pipeline, exist sand filtering material with the problem that washed-out sand sewage runs off, making the filtrate loss increases operating cost, even the meeting blocking pipe, and influence is operation normally.For prioritization scheme, the present invention is provided with washed-out sand sewage collecting well 4, each washed-out sand trunk sewer 9 tandem communicates with washed-out sand sewage collecting well 4 behind a washed-out sand main sewer, thereby the washed-out sand sewage that the washed-out sand trunk sewer compiles is discharged in the washed-out sand sewage collecting well 4, treat that the sand filtering material post precipitation discharges system again, to solve the race sand problem in the actual moving process.
Shown in Fig. 2,3, the air compression system 5 in the system for filtering active sand of the present invention comprises: air compressor 51, compressed air surge tank 52, and with filter element 21 air switch board 53 one to one; Wherein behind the compressed air cushioning jar 52 of air of air compressor 51 compressions, be evenly distributed in each filter element 21, be used for promoting extremely sand-washing device 21109 cleanings of active sand filter 211 of dirty sand that filter process produces by air switch board 53.
Below in conjunction with the system architecture of the invention described above, further describe embodiment of the present invention in the mode of handling process.
Referring to shown in Figure 4, water to be filtered enters into system for filtering active sand, enters the water-locator 21103 of active sand filter 211 middle and lower parts by distribution main 8 and range pipe 21101, behind water-locator 21103 water distribution uniformities, adverse current is upwards and by whole casting bed 21106, filter back water overflow and going out; Under the effect of air lift 21108, active sand filter 211 will be held back dirty sand guiding bottom than multi-pollutant by leading sand hopper 21104 and frustum 21105, and be promoted to by central tube 21107 in the sand-washing device 21109 on top, the sand filtering material utilization deadweight after sand-washing device 21109 is cleaned turns back in the casting bed 21106; Washed-out sand sewage is then discharged through the washed-out sand branch sewer 21102 of collecting container 21110.Water compiles the back overflow to effluent trough 7 and discharge after the filter after each active sand filter 211 is handled; The washed-out sand sewage of each active sand filter 211 converges to washed-out sand trunk sewer 9 through each washed-out sand branch sewer 21102, is flow in the washed-out sand sewage collecting well 4 by the washed-out sand main sewer again.Among Fig. 4, in order to reach more excellent filter effect, separation processor and/or Treatment of Sludge device can be set also, separation processor and Treatment of Sludge device belong to the auxiliary device of system for filtering active sand, are to be provided with for the zero release of pollutant of realizing whole system.Separation processor is the processing unit of the washed-out sand sewage of system for filtering active sand generation, and separating treatment can adopt technology such as gravitational settling, filtration or film processing, to reach the effect of Separation of Solid and Liquid; At the mud that the separation processor Separation of Solid and Liquid is produced, be provided with follow-up Treatment of Sludge device, the Treatment of Sludge device is handled technology such as can adopting concentrated, dehydration.
To sum up, system for filtering active sand of the present invention is a kind of treatment process during advanced treatment of wastewater and micro-polluted water purify, its technology applies to advanced treatment of wastewater and micro-polluted water field of purification, can overcome the deficiency that the conventional treatment means exist, and obtains effluent quality preferably.System for filtering active sand can be applicable to the advanced treating of municipal wastewater, industrial wastewater and surface water, phreatic direct contact filtration, substitute coagulating basin, sedimentation basin and filtration treatment unit in the conventional processes, it is few to have quantities, invest low, advantage such as operating cost is low.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (10)
1. a system for filtering active sand is characterized in that, comprising: inlet channel (1), active sand filter (2), go out water channel (3), washed-out sand sewage collecting well (4), air compression system (5), and electric control system (6);
Wherein inlet channel (1) is used for flowing into the water uniform water distribution to be filtered of active sand filter (2);
Active sand filter (2) is used for filtering flowing into water wherein to be filtered, and collects the water after filtering;
Go out water channel (3), be used to compile water outlet and discharge after active sand filter (2) filtration treatment;
Washed-out sand sewage collecting well (4) is used for compiling washed-out sand sewage and the discharge that active sand filter (2) filter process produces, and precipitates the sand filtering material that goes out active sand filter (2) with the washed-out sand effluent stream simultaneously;
Air compression system (5) is used to promote dirty sand to the active sand filter top that filter process produces and cleans, to guarantee the continuous operation of system for filtering active sand;
Electric control system (6) is used to control startup, operation and the warning of active sand filter (2) and air compression system (5).
2. a kind of system for filtering active sand as claimed in claim 1 is characterized in that, described active sand filter (2) comprising: one or more filter elements (21);
Wherein each filter element (21) is made up of at least two active sand filters (211), and described active sand filter (211) divides two row's symmetrical parallel to be positioned in the described filter element (21).
3. a kind of system for filtering active sand as claimed in claim 2, it is characterized in that, the quantity of described filter element (21) is even number, then be divided into two one group, the shared effluent trough of filter element on the same group (21) (7), the quantity of described filter element (21) is odd number, then is divided into two one group, the shared effluent trough of filter element on the same group (21) (7), a remaining filter element (21) is provided with an effluent trough (7) separately; After the filter after active sand filter (211) is handled in described filter element (21) water compile and overflow to effluent trough (7), described active sand filter is flowed out in the water outlet of each effluent trough (7), and comes together in out in the water channel (3).
4. a kind of system for filtering active sand as claimed in claim 2, it is characterized in that, comprise in the described active sand filter (211): range pipe (21101), washed-out sand branch sewer (21102), water-locator (21103), lead sand hopper (21104), frustum (21105), casting bed (21106), central tube (21107), air lift (21108), sand-washing device (21109), collecting container (21110);
Water to be filtered enters the water-locator (21103) of described active sand filter (211) middle and lower part by range pipe (21101), and behind water-locator (21103) water distribution uniformity, adverse current is upwards and by whole casting bed (21106), filter back water overflow and going out; Under the effect of air lift (21108), active sand filter (211) will be held back than bottom the dirty sand guiding of multi-pollutant by leading sand hopper (21104) and frustum (21105), and be promoted to by central tube (21107) in the sand-washing device (21109) on top, the sand utilization deadweight after sand-washing device (21109) is cleaned turns back in the casting bed (21106); Washed-out sand sewage is then discharged through the washed-out sand branch sewer (21102) of collecting container (21110).
5. a kind of system for filtering active sand as claimed in claim 2, it is characterized in that, the corresponding distribution main (8) of described each filter element (21), distribution main (8) links to each other with the range pipe (21101) of active sand filter in its place filter element, and water to be filtered evenly is distributed in each active sand filter (211).
6. a kind of system for filtering active sand as claimed in claim 5 is characterized in that, described each distribution main (8) communicates with inlet channel (1).
7. a kind of system for filtering active sand as claimed in claim 3 is characterized in that, described each effluent trough (7) with go out water channel (3) and communicate.
8. a kind of system for filtering active sand as claimed in claim 2, it is characterized in that, the corresponding washed-out sand trunk sewer (9) of each filter element (21), washed-out sand trunk sewer (9) links to each other with the washed-out sand branch sewer (21102) of active sand filter in its place filter element, to compile washed-out sand sewage and the discharge that each active sand filter (211) produces.
9. a kind of system for filtering active sand as claimed in claim 8 is characterized in that, described each washed-out sand trunk sewer (9) tandem communicates with washed-out sand sewage collecting well (4) behind a washed-out sand main sewer.
10. a kind of system for filtering active sand as claimed in claim 2 is characterized in that, described air compression system (5) comprising: air compressor (51), compressed air surge tank (52), and with filter element (21) air switch board (53) one to one; Wherein behind the compressed air cushioning jar of air (52) of air compressor (51) compression, be evenly distributed in each filter element (21) by air switch board (53), be used for promoting extremely sand-washing device (21109) cleaning of active sand filter (211) of dirty sand that filter process produces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101487729A CN101584950B (en) | 2009-07-03 | 2009-07-03 | System for filtering active sand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101487729A CN101584950B (en) | 2009-07-03 | 2009-07-03 | System for filtering active sand |
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| Publication Number | Publication Date |
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| CN101584950A CN101584950A (en) | 2009-11-25 |
| CN101584950B true CN101584950B (en) | 2011-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009101487729A Expired - Fee Related CN101584950B (en) | 2009-07-03 | 2009-07-03 | System for filtering active sand |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102583627B (en) * | 2012-02-24 | 2013-07-10 | 重庆康达环保产业（集团）有限公司 | Active coke extracting and backwashing device used for sewage advanced treatment |
| CN104606936B (en) * | 2015-01-12 | 2017-01-04 | 湖州华利铝业有限公司 | A kind of cycling water purifying device |
| CN105080188A (en) * | 2015-08-07 | 2015-11-25 | 湖南新九方科技有限公司 | Installation method for sewage treatment sand filter pool system |
| CN105254029B (en) * | 2015-11-02 | 2018-01-12 | 合肥通用环境控制技术有限责任公司 | A kind of active bio sand filter and the sand filtration processing system containing sand filter |
| CN107188302B (en) * | 2017-06-22 | 2023-04-25 | 中国石油大学(华东) | Biological sand filter water treatment system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4842744A (en) * | 1987-05-14 | 1989-06-27 | Horst Schade | Method for continuous filteration of fluids |
| CN201168471Y (en) * | 2008-02-03 | 2008-12-24 | 大庆鑫禹科技有限公司 | Continuous highly effective running sand filter |
| CN201211446Y (en) * | 2008-03-28 | 2009-03-25 | 河北永益生态环境工程有限公司 | Water treatment device with continuous filtration and continuous backflushing |
| CN201524479U (en) * | 2009-07-03 | 2010-07-14 | 北京沃特林克环境工程有限公司 | Filter system for active sand |
-
2009
- 2009-07-03 CN CN2009101487729A patent/CN101584950B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4842744A (en) * | 1987-05-14 | 1989-06-27 | Horst Schade | Method for continuous filteration of fluids |
| CN201168471Y (en) * | 2008-02-03 | 2008-12-24 | 大庆鑫禹科技有限公司 | Continuous highly effective running sand filter |
| CN201211446Y (en) * | 2008-03-28 | 2009-03-25 | 河北永益生态环境工程有限公司 | Water treatment device with continuous filtration and continuous backflushing |
| CN201524479U (en) * | 2009-07-03 | 2010-07-14 | 北京沃特林克环境工程有限公司 | Filter system for active sand |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平8-266817A 1996.10.15 |
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