CN204643928U - A kind of sewage plant chemicals dosing plant - Google Patents
A kind of sewage plant chemicals dosing plant Download PDFInfo
- Publication number
- CN204643928U CN204643928U CN201520188486.6U CN201520188486U CN204643928U CN 204643928 U CN204643928 U CN 204643928U CN 201520188486 U CN201520188486 U CN 201520188486U CN 204643928 U CN204643928 U CN 204643928U
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- Prior art keywords
- mixing pit
- infusion pump
- storing pot
- medicine storing
- chemicals dosing
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Abstract
The utility model relates to technology for the treatment of of papermaking wastewater field, particularly relate to a kind of sewage plant chemicals dosing plant, its structure comprises mixing pit and settling tank, also comprise PAC medicine storing pot, PAM medicine storing pot and controller, the medicine outlet of PAC medicine storing pot is communicated with the dosing mouth of mixing pit by the first infusion pump, the medicine outlet of PAM medicine storing pot is connected with the dosing mouth of mixing pit by the second infusion pump, and mixing pit is communicated with by transport pipe with settling tank.The utility model realizes the accurate control to dosing flow, avoids the luxus consumption of medicament, reduces any excess drug and causes secondary pollution to environment, and reduce the running cost of whole sewage plant chemicals dosing plant.
Description
Technical field
The utility model relates to technology for the treatment of of papermaking wastewater field, particularly relates to a kind of sewage plant chemicals dosing plant.
Background technology
Along with expanding economy, the material life of people obtains very large development, but also brings many to environment
Adverse influence, as the paper waste water yield is large, pollution concentration is higher, therefore needs to process sewage, to reach emission standard.
In prior art, Sewage treatment systems mainly comprises sedimentation device, aerobic biochemical device, coagulation device, flocculation plant, filtration unit and chemicals dosing plant etc., by adding different chemical agents in different devices, sewage can reach emission standard after above-mentioned process.But the cycle of sewage in above-mentioned treating processes is longer, it is excessive that the chemical agent added uses, and overdose of medicine agent is directly discharged and can be caused secondary pollution to environment, if carry out subsequent disposal to overdose of medicine agent, can increase running cost again.
Summary of the invention
The purpose of this utility model be to avoid weak point of the prior art and provide a kind of can additive amount of medicament, reduce secondary environmental pollution, reduce the chemical-adding system for sewage station of running cost.
The purpose of this utility model is achieved through the following technical solutions:
A kind of sewage plant chemicals dosing plant is provided, comprise mixing pit and settling tank, also comprise PAC medicine storing pot, PAM medicine storing pot and controller, the medicine outlet of described PAC medicine storing pot is communicated with the dosing mouth of described mixing pit by the first infusion pump, the medicine outlet of described PAM medicine storing pot is connected with the dosing mouth of described mixing pit by the second infusion pump, and described mixing pit is communicated with by transport pipe with described settling tank; The connecting pipeline of described first infusion pump and described mixing pit is provided with the first magnetic flow meter, the connecting pipeline of described second infusion pump and described mixing pit is provided with the second magnetic flow meter, and described first magnetic flow meter and described second magnetic flow meter are all electrically connected with described controller.
Wherein, described first infusion pump and described second infusion pump are all set to variable frequency pump.
Wherein, the dosing mouth of described mixing pit is arranged at the top of described mixing pit.
Wherein, agitator is provided with in described mixing pit.
Wherein, be provided with mud position detector and suspended substance detector in described settling tank, described mud position detector and described suspended substance detector are all electrically connected with described controller.
Wherein, described controller is PLC.
the beneficial effects of the utility model:
A kind of sewage plant chemicals dosing plant of the present utility model, comprise mixing pit and settling tank, also comprise PAC medicine storing pot, PAM medicine storing pot and controller, the medicine outlet of PAC medicine storing pot is communicated with the dosing mouth of mixing pit by the first infusion pump, the medicine outlet of PAM medicine storing pot is connected with the dosing mouth of mixing pit by the second infusion pump, and mixing pit is communicated with by transport pipe with settling tank; The connecting pipeline of the first infusion pump and mixing pit is provided with the first magnetic flow meter, the connecting pipeline of the second infusion pump and mixing pit is provided with the second magnetic flow meter, the first magnetic flow meter and the second magnetic flow meter are all electrically connected with controller.During work, plant effluent enters mixing pit after oblique net filtration, PAC medicine storing pot is first to passing through the first infusion pump to dosing coagulant PAC in mixing pit, then PAM medicine storing pot adds flocculation agent PAM by the second infusion pump and makes the abundant hybrid reaction of the medicament of waste water and interpolation carry out flocculation sediment in mixing pit, then the waste water after coagulating treatment is delivered to settling tank to precipitate, the waste water then after precipitation and mud-water separation flow into next link.In above-mentioned dosing process, liquid feed flow information is back to controller by the first magnetic flow meter and the second magnetic flow meter, the first infusion pump and the accurate control of the second infusion pump realization to dosing flow is regulated by controller, thus avoid the luxus consumption of medicament, reduce any excess drug and secondary pollution is caused to environment, and reduce the running cost of whole sewage plant chemicals dosing plant.
Accompanying drawing explanation
Utilize accompanying drawing to be described further the utility model, but the content in accompanying drawing is not formed any restriction of the present utility model.
Fig. 1 is the structural representation of a kind of sewage plant chemicals dosing plant of the present utility model.
Reference numeral:
PAC medicine storing pot 1;
PAM medicine storing pot 2;
First infusion pump 3;
Second infusion pump 4;
Mixing pit 5;
Settling tank 6;
Mud position detector 7;
Suspended substance detector 8;
Controller 9;
First magnetic flow meter 10;
Second magnetic flow meter 11.
Embodiment
With the following Examples and accompanying drawing the utility model is described in further detail.
A kind of sewage plant chemicals dosing plant of the present utility model, as shown in Figure 1, comprise mixing pit 5 and settling tank 6, also comprise PAC medicine storing pot 1, PAM medicine storing pot 2 and controller 9, the medicine outlet of PAC medicine storing pot 1 is communicated with the dosing mouth of mixing pit 5 by the first infusion pump 3, the medicine outlet of PAM medicine storing pot 2 is connected with the dosing mouth of mixing pit 5 by the second infusion pump 4, mixing pit 5 is communicated with by transport pipe with settling tank 6, first infusion pump 3 and the connecting pipeline of mixing pit 5 are provided with the first magnetic flow meter 10, second infusion pump 4 and the connecting pipeline of mixing pit 5 are provided with the second magnetic flow meter 11, first magnetic flow meter 10 and the second magnetic flow meter 11 are all electrically connected with controller 9.
Plant effluent enters mixing pit 5 after oblique net filtration, PAC medicine storing pot 1 is first to passing through the first infusion pump 3 to dosing coagulant PAC(polymerize aluminum chloride in mixing pit 5), then PAM medicine storing pot 2 adds flocculation agent PAM(polyacrylamide by the second infusion pump 4 in mixing pit 5) make the abundant hybrid reaction of the medicament of waste water and interpolation carry out flocculation sediment, then the waste water after coagulating treatment is delivered to settling tank 6 to precipitate, the waste water then after precipitation and mud-water separation flow into next link.
Concrete, controller 9 is PLC 9.
Concrete, the first infusion pump 3 and the second infusion pump 4 are all set to variable frequency pump.Concrete, the dosing mouth of mixing pit 5 is arranged at the top of mixing pit 5.
Concrete, be provided with agitator in mixing pit 5, carry out flocculation sediment to make the abundant hybrid reaction of the medicament of the waste water in mixing pit 5 and interpolation.
Concrete, be provided with mud position detector 7 and suspended substance detector 8 in settling tank 6, mud position detector 7 and suspended substance detector 8 are all electrically connected with controller 9.
During work, feedback signal is sent to PLC 9 by infusion pump, electromagnetism/under meter, mud position detector 7 and suspended substance detector 8, the accurate control regulating the first infusion pump 3 and the second infusion pump 4 to realize dosing flow by PLC 9.When suspended substance monitor tests settling tank 6 inner suspension thing at below 100mg/L, mud position is when 2 ~ 3m, instrument will detect data feedback to PLC 9, the frequency of the first infusion pump 3 and the second infusion pump 4 is regulated by PLC 9, the chemical feeding quantity of control PAC is the chemical feeding quantity of 350L/H, PAM is 700L/H; When settling tank 6 inner suspension thing is at 100 ~ 150mg/L, mud position is when 2 ~ 3m, instrument will detect data feedback to PLC 9, by the frequency of PLC 9 by adjustment first infusion pump 3 and the second infusion pump 4, the chemical feeding quantity of control PAC is the chemical feeding quantity of 400L/H, PAM is 1000L/H, thus avoids the luxus consumption of medicament, reduce any excess drug and secondary pollution is caused to environment, and reduce the running cost of whole sewage plant chemicals dosing plant.
Finally should be noted that; the restriction of above embodiment only for illustration of the technical solution of the utility model but not to the utility model protection domain; although be explained in detail the utility model with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify to the technical solution of the utility model or equivalent replacement, and not depart from essence and the scope of technical solutions of the utility model.
Claims (6)
1. a sewage plant chemicals dosing plant, it is characterized in that: comprise mixing pit and settling tank, also comprise PAC medicine storing pot, PAM medicine storing pot and controller, the medicine outlet of described PAC medicine storing pot is communicated with the dosing mouth of described mixing pit by the first infusion pump, the medicine outlet of described PAM medicine storing pot is connected with the dosing mouth of described mixing pit by the second infusion pump, and described mixing pit is communicated with by transport pipe with described settling tank; The connecting pipeline of described first infusion pump and described mixing pit is provided with the first magnetic flow meter, the connecting pipeline of described second infusion pump and described mixing pit is provided with the second magnetic flow meter, and described first magnetic flow meter and described second magnetic flow meter are all electrically connected with described controller.
2. a kind of sewage plant chemicals dosing plant according to claim 1, is characterized in that: described first infusion pump and described second infusion pump are all set to variable frequency pump.
3. a kind of sewage plant chemicals dosing plant according to claim 1, is characterized in that: the dosing mouth of described mixing pit is arranged at the top of described mixing pit.
4. a kind of sewage plant chemicals dosing plant according to claim 1, is characterized in that: be provided with agitator in described mixing pit.
5. a kind of sewage plant chemicals dosing plant according to claim 1, is characterized in that: be provided with mud position detector and suspended substance detector in described settling tank, described mud position detector and described suspended substance detector are all electrically connected with described controller.
6. a kind of sewage plant chemicals dosing plant according to claim 1 to 5 any one, is characterized in that: described controller is PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520188486.6U CN204643928U (en) | 2015-03-31 | 2015-03-31 | A kind of sewage plant chemicals dosing plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520188486.6U CN204643928U (en) | 2015-03-31 | 2015-03-31 | A kind of sewage plant chemicals dosing plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204643928U true CN204643928U (en) | 2015-09-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520188486.6U Active CN204643928U (en) | 2015-03-31 | 2015-03-31 | A kind of sewage plant chemicals dosing plant |
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| CN (1) | CN204643928U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110723793A (en) * | 2019-09-24 | 2020-01-24 | 中国水利水电第五工程局有限公司 | Automatic tunnel sewage treatment device |
| CN112174281A (en) * | 2020-09-02 | 2021-01-05 | 东莞建晖纸业有限公司 | Purification process for primary settling tank of papermaking wastewater |
-
2015
- 2015-03-31 CN CN201520188486.6U patent/CN204643928U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110723793A (en) * | 2019-09-24 | 2020-01-24 | 中国水利水电第五工程局有限公司 | Automatic tunnel sewage treatment device |
| CN112174281A (en) * | 2020-09-02 | 2021-01-05 | 东莞建晖纸业有限公司 | Purification process for primary settling tank of papermaking wastewater |
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