CN103964604B - A kind of water treatment system - Google Patents
A kind of water treatment system Download PDFInfo
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- CN103964604B CN103964604B CN201410183993.0A CN201410183993A CN103964604B CN 103964604 B CN103964604 B CN 103964604B CN 201410183993 A CN201410183993 A CN 201410183993A CN 103964604 B CN103964604 B CN 103964604B
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Abstract
A kind of water treatment system, comprise the reaction tank be communicated with successively, settling tank, filter tank and clean water basin, also comprise the first turbidimeter, first-class gauge, medicament pond, volume pump, automatic control system and supervisory system, described first turbidimeter and first-class gauge are all located at water inlet place of former water, chemical feeding points is provided with before the water-in of described reaction tank, described volume pump is communicated with chemical feeding points with medicament pond respectively, the water outlet of described reaction tank is provided with simulation inclined tube device, this simulation inclined tube device is provided with inclined tube water-in and inclined tube water outlet, this inclined tube water-in is communicated with the water outlet of reaction tank, this inclined tube water outlet is equiped with the second turbidimeter, described first turbidimeter, first-class gauge, volume pump, second turbidimeter and supervisory system are all connected with automatic control system.The accuracy that the present invention can improve dosing greatly and the problem shortening feedback quantity time lag, ensure that the quality of water quality and improve the processing efficiency of water treatment system.
Description
Technical field
The present invention relates to water-treatment technology field, refer to a kind of water treatment system specifically.
Background technology
Along with our people's growth in the living standard, the enhancing of environmental consciousness, country produces water purification, the requirement of sewage disposal also improves constantly, and process index also requires more and more stricter, and adding of flocculation agent is requisite link in water treatment system.At present, the adding method thereof that traditional water purification production system, Sewage treatment systems adopt has: Artificial Control, rule of thumb data dosing, controls dosing, control dosing etc. according to water quality and raw water flow open loop type according to raw water flow.
These above-mentioned control methods all do not consider hydraulics and each Parameters Variations in the technological processs such as flocculation, precipitation, filtration on the impact of delivery turbidity and detect the delivery turbidity and implementing of settling tank offer medicine between retardation time.In such water treatment system, the accuracy of dosing does not only reach effective control, make to produce quality can not be guaranteed, water quality is unstable, and detects that from offeing medicine to the delivery turbidity of settling tank needs the longer time, has a strong impact on the processing efficiency of water treatment system.
Summary of the invention
The present invention is to provide a kind of water treatment system, it is high and the problem that the delivery turbidity of settling tank needs longer retardation time detected from offeing medicine to that its main purpose is not to overcome the accuracy of dosing in existing water treatment system.
In order to solve above-mentioned technical problem, the present invention adopts following technical scheme:
A kind of water treatment system, comprise the reaction tank be communicated with successively, settling tank, filter tank and clean water basin, also comprise the first turbidimeter, first-class gauge, medicament pond, volume pump, automatic control system and supervisory system, described first turbidimeter and first-class gauge are all located at water inlet place of former water, chemical feeding points is provided with before the water-in of described reaction tank, described volume pump is communicated with chemical feeding points with medicament pond respectively, the water outlet of described reaction tank is provided with simulation inclined tube device, this simulation inclined tube device is provided with inclined tube water-in and inclined tube water outlet, this inclined tube water-in is communicated with the water outlet of reaction tank, this inclined tube water outlet is equiped with the second turbidimeter, described first turbidimeter, first-class gauge, volume pump, second turbidimeter and supervisory system are all connected with automatic control system.
Further, described simulation inclined tube device comprises in it outer tube sleeve being arranged with honeycomb inclined-tube and the upper and lower mounting block be located in outer tube sleeve, this upper and lower mounting block is equipped with fixed orifices, and the two ends of described honeycomb inclined-tube are communicated with inclined tube water outlet with inclined tube water-in respectively.
Further, tubular static mixer is provided with between described chemical feeding points and reaction tank.
Further, described volume pump is at least provided with two.
Further, described volume pump is diaphragm metering pump.
Further, the water outlet of described settling tank is provided with the 3rd turbidimeter, the water outlet in described filter tank is provided with the 4th turbidimeter, and the water outlet of described clean water basin is provided with the 5th turbidimeter, and described 3rd turbidimeter, the 4th turbidimeter and the 5th turbidimeter are all connected with automatic control system.
Further, be provided with second gauge between described volume pump and chemical feeding points, this second gauge is connected with automatic control system.
Further, described automatic control system is PLC.
Further, described automatic control system comprises variable frequency control module, feedback computing module, liquid chemical feeding amount modular converter, rule of thumb data model module and flocculation medicine control module, described variable frequency control module, feedback computing module and rule of thumb data model module are all connected with liquid chemical feeding amount modular converter, described feedback computing module, liquid chemical feeding amount modular converter and rule of thumb data model module all with flocculation medicine control model calling, this flocculation medicine control module is connected with supervisory system.
From the above-mentioned description of this invention, compared to the prior art, tool of the present invention has the following advantages:
Water factory rule of thumb can set up different raw water turbidity and dosing data model corresponding to raw water flow in automatic control system, the raw water turbidity that automatic control system measures using the first turbidimeter and first flow and raw water flow select corresponding dosing data model as the feedforward value of chemical feeding quantity, and feedforward value is converted to the travelling speed of signal control volume pump, thus be chemical feeding points dosing.The delivery turbidity of established standards in automatic control system, and formed closed-loop control using the delivery turbidity that the second turbidimeter is measured as value of feedback, thus accurate calculating is carried out to chemical feeding quantity, when there is error in the standard value of the delivery turbidity that the second turbidimeter is measured and setting, error amount is changed into signal and regulates the travelling speed of volume pump by automatic control system, thus regulates chemical feeding quantity more accurately.Moreover through the repetition test of the present inventor, simulation inclined tube device has the action effect identical with settling tank, but simulation inclined tube device can carry out precipitating and desanding rapidly, eliminates the problem of feedback quantity time lag.Adopt the accuracy that the present invention can improve dosing greatly and the problem shortening feedback quantity time lag, thus ensure that the quality of water quality and improve the processing efficiency of water treatment system.
Accompanying drawing explanation
Fig. 1 is fundamental diagram of the present invention.
Fig. 2 is the front view of simulation inclined tube device.
Fig. 3 is the left view of simulation inclined tube device.
Embodiment
See figures.1.and.2.A kind of water treatment system, comprise be communicated with successively reaction tank 1, settling tank 2, filter tank 3, clean water basin 4, first turbidimeter 5, first-class gauge 6, medicament pond 7, volume pump 8, automatic control system 9 and supervisory system 10.Described reaction tank 1, settling tank 2, filter tank 3, clean water basin 4 are communicated with successively, described first turbidimeter 5 and first-class gauge 6 are all located at water inlet place of former water, be provided with chemical feeding points 11 before the water-in of described reaction tank 1, described volume pump 8 is communicated with chemical feeding points 11 with medicament pond 7 respectively.The water outlet of described reaction tank 1 is provided with simulation inclined tube device 12, this simulation inclined tube device 12 is provided with inclined tube water-in 121 and inclined tube water outlet 122, this inclined tube water-in 121 is communicated with the water outlet of reaction tank 1, and this inclined tube water outlet 122 place is equiped with the second turbidimeter 13.Described first turbidimeter 5, first-class gauge 6, volume pump 8, second turbidimeter 13 and supervisory system 10 are all connected with automatic control system 9.
With reference to Fig. 1, Fig. 2 and Fig. 3.Described simulation inclined tube device 12 comprises in it outer tube sleeve 123 being arranged with honeycomb inclined-tube and the upper fixing element 124 be located in outer tube sleeve 123 and lower mounting block 125, this upper fixing element 124 and lower mounting block 125 are equipped with fixed orifices 126, the two ends of described honeycomb inclined-tube are communicated with inclined tube water outlet 122 with inclined tube water-in 121 respectively, and described fixed orifices 126 coordinates with mounting block and can be fixed on simulating inclined tube device 12 on wall.Be provided with tubular static mixer 14 between described chemical feeding points 11 and reaction tank 1, this tubular static mixer 14 has the effect of saving dosing.Described volume pump 8 is at least provided with two, and this volume pump 8 is diaphragm metering pump, and the number that the number of this volume pump 8 is arranged by chemical feeding points 11 determines; When number as chemical feeding points 11 is one, the number of volume pump 8 is two, one for dosing, another is for for subsequent use; When the number of chemical feeding points 11 is two, the number of volume pump 8 is three, two for dosing, another is for for subsequent use, by that analogy.
With reference to Fig. 1.The water outlet of described settling tank 2 is provided with the 3rd turbidimeter 15, the water outlet in described filter tank 3 is provided with the 4th turbidimeter 16, the water outlet of described clean water basin 4 is provided with the 5th turbidimeter 17, and described 3rd turbidimeter 15, the 4th turbidimeter 16 and the 5th turbidimeter 17 are all connected with automatic control system 9.Be provided with second gauge 18 between described volume pump 8 and chemical feeding points 11, this second gauge 18 is connected with automatic control system 9, and this second gauge 18 for detecting the dosing flow of volume pump 8, and passes to Controlling System 9 signal.
With reference to Fig. 1.Described automatic control system 9 is PLC, and this automatic control system 9 comprises variable frequency control module 91, feedback computing module 92, liquid chemical feeding amount modular converter 93, rule of thumb data model module 94 and flocculation medicine control module 95.Described variable frequency control module 91, feedback computing module 92 and rule of thumb data model module 94 are all connected with liquid chemical feeding amount modular converter 93, described feedback computing module 92, liquid chemical feeding amount modular converter 93 and rule of thumb data model module 94 are all connected with flocculation medicine control module 95, and this flocculation medicine control module 95 is connected with supervisory system 10.Described volume pump 8 is connected with variable frequency control module 91, described second turbidimeter 13, the 3rd turbidimeter 15, the 4th turbidimeter 16, the 5th turbidimeter 17 and second gauge 18 are all connected with feedback computing module 92, and described first turbidimeter 5, first-class gauge 6 are all connected with rule of thumb data model module 94.
With reference to Fig. 1.Working process of the present invention is as follows: water factory rule of thumb can set up different raw water turbidity and dosing data model corresponding to raw water flow on rule of thumb data model module 94, the raw water turbidity that rule of thumb data model module 94 is measured using the first turbidimeter 5 and first-class gauge 6 and raw water flow select corresponding dosing data model as the feedforward value of chemical feeding quantity, and feedforward value is passed to liquid chemical feeding amount modular converter 93, signal is passed to variable frequency control module 91 by liquid chemical feeding amount modular converter 93, variable frequency control module 91 controls the travelling speed of volume pump 8, thus be chemical feeding points dosing.The delivery turbidity of established standards on feedback computing module 92, and formed closed-loop control using the delivery turbidity that the second turbidimeter 13 is measured as value of feedback, thus accurate calculating is carried out to chemical feeding quantity.When the standard value of the delivery turbidity that the second turbidimeter 13 is measured and setting exists error, error amount is changed into signal and regulates the travelling speed of volume pump 8 by liquid chemical feeding amount modular converter 93, thus regulates chemical feeding quantity more accurately.The data of described feedback computing module 92, liquid chemical feeding amount modular converter 93 and rule of thumb data model module 94 pass to supervisory system 10 through flocculation medicine control module 95.Described 3rd turbidimeter 15, the 4th turbidimeter 16 and the 5th turbidimeter 17 serve the effect of monitoring.
Above are only the specific embodiment of the present invention, but design concept of the present invention is not limited thereto, all changes utilizing this design the present invention to be carried out to unsubstantiality, all should belong to the behavior of invading scope.
Claims (9)
1. a water treatment system, comprise the reaction tank be communicated with successively, settling tank, filter tank and clean water basin, it is characterized in that: also comprise the first turbidimeter, first-class gauge, medicament pond, volume pump, automatic control system and supervisory system, described first turbidimeter and first-class gauge are all located at water inlet place of former water, chemical feeding points is provided with before the water-in of described reaction tank, described volume pump is communicated with chemical feeding points with medicament pond respectively, the water outlet of described reaction tank is provided with simulation inclined tube device, this simulation inclined tube device is provided with inclined tube water-in and inclined tube water outlet, this inclined tube water-in is communicated with the water outlet of reaction tank, this inclined tube water outlet is equiped with the second turbidimeter, described first turbidimeter, first-class gauge, volume pump, second turbidimeter and supervisory system are all connected with automatic control system.
2. a kind of water treatment system as claimed in claim 1, it is characterized in that: described simulation inclined tube device comprises in it outer tube sleeve being arranged with honeycomb inclined-tube and the upper and lower mounting block be located in outer tube sleeve, this upper and lower mounting block is equipped with fixed orifices, and the two ends of described honeycomb inclined-tube are communicated with inclined tube water outlet with inclined tube water-in respectively.
3. a kind of water treatment system as claimed in claim 1, is characterized in that: be provided with tubular static mixer between described chemical feeding points and reaction tank.
4. a kind of water treatment system as claimed in claim 1, is characterized in that: described volume pump is at least provided with two.
5. a kind of water treatment system as claimed in claim 1, is characterized in that: described volume pump is diaphragm metering pump.
6. a kind of water treatment system as claimed in claim 1, it is characterized in that: the water outlet of described settling tank is provided with the 3rd turbidimeter, the water outlet in described filter tank is provided with the 4th turbidimeter, the water outlet of described clean water basin is provided with the 5th turbidimeter, and described 3rd turbidimeter, the 4th turbidimeter and the 5th turbidimeter are all connected with automatic control system.
7. a kind of water treatment system as claimed in claim 1, is characterized in that: be provided with second gauge between described volume pump and chemical feeding points, this second gauge is connected with automatic control system.
8. a kind of water treatment system as claimed in claim 1, is characterized in that: described automatic control system is PLC.
9. a kind of water treatment system as claimed in claim 1, it is characterized in that: described automatic control system comprises variable frequency control module, feedback computing module, liquid chemical feeding amount modular converter, rule of thumb data model module and flocculation medicine control module, described variable frequency control module, feedback computing module and rule of thumb data model module are all connected with liquid chemical feeding amount modular converter, described feedback computing module, liquid chemical feeding amount modular converter and rule of thumb data model module all with flocculation medicine control model calling, this flocculation medicine control module is connected with supervisory system.
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| CN201410183993.0A CN103964604B (en) | 2014-05-04 | 2014-05-04 | A kind of water treatment system |
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| CN201410183993.0A CN103964604B (en) | 2014-05-04 | 2014-05-04 | A kind of water treatment system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105254074A (en) * | 2015-11-12 | 2016-01-20 | 中国天辰工程有限公司 | Process for treating waste water in adipic acid device |
| CN108658287A (en) * | 2018-04-25 | 2018-10-16 | 江苏大学 | A kind of Sewage advanced treatment control system and control method |
| CN112811542A (en) * | 2020-12-31 | 2021-05-18 | 上海远动科技有限公司 | Automatic control device for chemical adding in water plant |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201016884Y (en) * | 2007-03-23 | 2008-02-06 | 太平洋水处理工程有限公司 | Inclined pipe simulated water sampling apparatus |
| CN201749385U (en) * | 2009-04-10 | 2011-02-16 | 华南理工大学 | Water plant dosage control system for feedforward-feedback composite control |
| CN202609995U (en) * | 2012-03-05 | 2012-12-19 | 长沙理工大学 | Automatic dosing device for clarification tank coagulant |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2629593A1 (en) * | 2008-04-11 | 2009-10-11 | James Michael Dunbar | Feedback control scheme for optimizing dewatering processes |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201016884Y (en) * | 2007-03-23 | 2008-02-06 | 太平洋水处理工程有限公司 | Inclined pipe simulated water sampling apparatus |
| CN201749385U (en) * | 2009-04-10 | 2011-02-16 | 华南理工大学 | Water plant dosage control system for feedforward-feedback composite control |
| CN202609995U (en) * | 2012-03-05 | 2012-12-19 | 长沙理工大学 | Automatic dosing device for clarification tank coagulant |
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Effective date of registration: 20181221 Address after: 362241 West Piece 69, Ludong Village, Longhu Town, Jinjiang City, Fujian Province Patentee after: Wu Jinzhen Address before: 362241 West Piece 69, Ludong Village, Longhu Town, Jinjiang City, Quanzhou City, Fujian Province Patentee before: Shi Shiying |