CN105536341B - Filter of reverse osmosis water treatment system and aflter-fillter back-washing method - Google Patents
Filter of reverse osmosis water treatment system and aflter-fillter back-washing method Download PDFInfo
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- CN105536341B CN105536341B CN201510791568.4A CN201510791568A CN105536341B CN 105536341 B CN105536341 B CN 105536341B CN 201510791568 A CN201510791568 A CN 201510791568A CN 105536341 B CN105536341 B CN 105536341B
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Abstract
The invention discloses a kind of filter of reverse osmosis water treatment system and aflter-fillter back-washing method, including：After the completion of filter, single tank sterilization of aflter-fillter, just washing the time in the backwash step of a filter is reduced, and every backwash in 24 hours is once；Just washing the time in the backwash step of aflter-fillter is reduced, and every backwash in 24 hours is once.The present invention can reduce outer draining of using by oneself to greatest extent in the case where ensureing water quality, reduce production cost.
Description
Technical field
The present invention relates to a kind of method for treating water, specifically, be related to a kind of filter of reverse osmosis water treatment system and
Aflter-fillter back-washing method.
Background technology
In recent years because the production capacity of Baogang constantly expands, in order to meet production needs, water supply plant is from the Yellow River getting water from water head site
Amount is accordingly increased, at the same time, and country also puts into effect policy limitation water withdrawal of the Baogang from the Yellow River, cause production capacity extensive magnitude and
Newly-increased water withdrawal is not directly proportional, and this requires Baogang to practice hard internal strength, deep-cuts itself potential.Water supply plant is exactly in this big back of the body
Under scape, take charge of the personal outer displacement in water ring section processed severely, outer draining of using by oneself is reduced by various measures.Therefore reverse osmosis water is improved
Unreasonable link in processing system technique, ensure water quality in the case of, to greatest extent reduce use by oneself outer draining just into
The main direction of technological transformation.
Chinese publication number CN201210410242 discloses a kind of ultra filtering reverse osmosis process chemistry cleaning method, but the skill
Art can not reduce outer draining of using by oneself.
The content of the invention
Technical problem solved by the invention is to provide a kind of filter of reverse osmosis water treatment system and secondary filter
Device back-washing method, in the case where ensureing water quality, outer draining of using by oneself can be reduced to greatest extent, production cost is reduced.
Technical scheme is as follows：
A kind of filter of reverse osmosis water treatment system and aflter-fillter back-washing method, including：
After the completion of filter, single tank sterilization of aflter-fillter, reduce in the backwash step of a filter just
Wash the time, and every backwash in 24 hours is once；
Just washing the time in the backwash step of aflter-fillter is reduced, and every backwash in 24 hours is once.
Further：The time will be just washed for 6 minutes in an original filter backwash step, by the backwash of aflter-fillter
The time is just washed for 10 minutes in step.
Compared with prior art, the technology of the present invention effect includes：
1st, the present invention is compared with existing patented technology, most prominent advantage be in the case where ensureing water quality, can be maximum
Outer draining of using by oneself is reduced to limit, production cost is reduced.
2nd, the present invention is in the case where ensureing water quality, the backwash time of first and second filter, drop in reduction reverse osmosis process
Low water producing cost, reduces outer draining of using by oneself, reduces worker's labor intensity, and water producing cost 610,000 can be saved every year according to calculating
Member.
Embodiment
Below with reference to preferred embodiment, technical solution of the present invention is elaborated.
The technique of counter-infiltration is：Extract Raw Water of Yellow River → depositing reservoir and clarify → filter filtering → aflter-fillter mistake
Filter → active carbon filter filtering → first-stage reverse osmosis → two-pass reverse osmosis.
Filter of reverse osmosis water treatment system and aflter-fillter back-washing method, step include：
Step 1：After the completion of filter, single tank sterilization of aflter-fillter, the backwash step of a filter is reduced
In just wash the time, and every backwash in 24 hours is once；
First set system once filter 10, it is ensured that in the case of water supply, No. one time filter runs 2~4, two simultaneously
Secondary filter 20, aflter-fillter runs 8~12 simultaneously；Second set of filter 14 of system No. one time, it is ensured that water supply situation
Under, while operation 5, aflter-fillter 18, while operation 8~12.
Quarterly in the case where not influenceing production, single tank carries out a filter of system, aflter-fillter sterilization work
Make, because water quality improves after sterilization, then determine just to wash the time from original in the backwash step of an original filter
It is changed within 10 minutes 6 minutes, while operation 4, every backwash in 24 hours is once.
By taking filter desalination of 1# as an example, in backwash process, just washing the time is changed to 6min by 10min.Operation 2 simultaneously
Filter, every backwash in 24 hours 1 time.Water supply pump discharge is 1260m3/h。
Originally：(1260 × 10/60) 24 × 2=17.5m of ÷3/h
Later：(1260 × 6/60) 24 × 2=10.5m of ÷3/h
Save：17.5-10.5=7.0m3/h
By taking filter desalination of 3# as an example, in water backwash process, just washing the time is changed to 6min by 10min.Operation 4 simultaneously
Filter of platform, every backwash in 24 hours 1 time.Water supply pump discharge is 2020m3/h.
Originally：(2020 × 10/60) 24 × 4=56.1m of ÷3/h
Later：(2020 × 6/60) 24 × 4=33.7m of ÷3/h
Save：56.1-33.7=22.4m3/h
It is total：7.0+22.4=29.4m3/h
Step 2：Just washing the time in the backwash step of aflter-fillter is reduced, and every backwash in 24 hours is once.
Time of just washing in the backwash step of original aflter-fillter was changed to 10 minutes from original 20 minutes, same to luck
Row 5, every backwash in 24 hours is once.
By taking 1# aflter-fillter desalinations as an example, in water backwash process, just washing the time is changed to 10min by 20min.Run simultaneously
5 aflter-fillters, every backwash in 24 hours 1 time.Water supply pump discharge is 400m3/h。
Originally：(400 × 20/60) 24 × 5=27.8m of ÷3/h
Later：(400 × 10/60) 24 × 5=13.9m of ÷3/h
Save 27.8-13.9=13.9m3/h
By taking 3# aflter-fillter desalinations as an example, in water backwash process, just washing the time is changed to 10min by 20min.Run simultaneously
5 aflter-fillters, every backwash in 24 hours 1 time.Water supply pump discharge is 320m3/h.
Originally：(320 × 20/60) 24 × 5=22.2m of ÷3/h
Later：(320 × 10/60) 24 × 5=11.1m of ÷3/h
Save：22.2-11.1=11.1m3/h
It is total：13.9+11.1=25.0m3/h
By the practice more than half a year, backwash effect is very good, has been saved largely for workshop while backwash effect is ensured
Production cost, also carry out lean workshop for workshop next step and create and lay a good foundation.
Save total cost：
Water is saved altogether：29.4+25.0=54.4m3/h；
Calculated with the Yellow River water price, it is annual to save：
54.4m3/ h × 24h × 365 day × 1.3 yuan/ton=61.95 ten thousand yuan；
Consume bactericide expense：
45500 yuan of bactericide per ton, quarterly consumes 50 kilograms, consumes 200 kilograms altogether every year.45500/1000×200
=9100 yuan.
It is total to save benefit：
61.95-0.91=61.04 ten thousand yuan.
Claims (1)
1. a kind of filter of reverse osmosis water treatment system and aflter-fillter back-washing method, including：
After the completion of filter, single tank sterilization of aflter-fillter, reduce in the backwash step of a filter when just washing
Between, the time is just being washed for 6 minutes, and every backwash in 24 hours is once；
Just washing the time in the backwash step of aflter-fillter is reduced, the time is just being washed for 10 minutes, and every backwash in 24 hours is once.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510791568.4A CN105536341B (en) | 2015-11-17 | 2015-11-17 | Filter of reverse osmosis water treatment system and aflter-fillter back-washing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510791568.4A CN105536341B (en) | 2015-11-17 | 2015-11-17 | Filter of reverse osmosis water treatment system and aflter-fillter back-washing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105536341A CN105536341A (en) | 2016-05-04 |
| CN105536341B true CN105536341B (en) | 2017-10-13 |
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| CN201510791568.4A Active CN105536341B (en) | 2015-11-17 | 2015-11-17 | Filter of reverse osmosis water treatment system and aflter-fillter back-washing method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201367376Y (en) * | 2009-03-05 | 2009-12-23 | 杨海刚 | Full-automatic digital remote control water treatment device |
| EP2397209A1 (en) * | 2009-02-16 | 2011-12-21 | Kuraray Co., Ltd. | Filtering device and method of manufacturing same |
| CN203002097U (en) * | 2012-12-25 | 2013-06-19 | 攀钢集团攀枝花钢钒有限公司 | Reverse osmosis security filter system |
| CN103539288A (en) * | 2013-10-31 | 2014-01-29 | 神华集团有限责任公司 | Industrial wastewater recovery method and wastewater recovery system |
| CN204174012U (en) * | 2014-08-28 | 2015-02-25 | 宁波泽沃水处理科技有限公司 | Pure water processor |
-
2015
- 2015-11-17 CN CN201510791568.4A patent/CN105536341B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2397209A1 (en) * | 2009-02-16 | 2011-12-21 | Kuraray Co., Ltd. | Filtering device and method of manufacturing same |
| CN201367376Y (en) * | 2009-03-05 | 2009-12-23 | 杨海刚 | Full-automatic digital remote control water treatment device |
| CN203002097U (en) * | 2012-12-25 | 2013-06-19 | 攀钢集团攀枝花钢钒有限公司 | Reverse osmosis security filter system |
| CN103539288A (en) * | 2013-10-31 | 2014-01-29 | 神华集团有限责任公司 | Industrial wastewater recovery method and wastewater recovery system |
| CN204174012U (en) * | 2014-08-28 | 2015-02-25 | 宁波泽沃水处理科技有限公司 | Pure water processor |
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| Publication number | Publication date |
|---|---|
| CN105536341A (en) | 2016-05-04 |
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