CN103896428A - High-COD (chemical oxygen demand) and multi-variety waste emulsion breaking device and breaking method - Google Patents
High-COD (chemical oxygen demand) and multi-variety waste emulsion breaking device and breaking method Download PDFInfo
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- CN103896428A CN103896428A CN201410043585.5A CN201410043585A CN103896428A CN 103896428 A CN103896428 A CN 103896428A CN 201410043585 A CN201410043585 A CN 201410043585A CN 103896428 A CN103896428 A CN 103896428A
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Abstract
The invention discloses a high-COD (chemical oxygen demand) and multi-variety waste emulsion breaking device and breaking method. The device comprises a heat exchanger and a reactor, a first adjusting tank and a plate-and-frame filter press which are connected with the heat exchanger in sequence. The method comprises the eight steps of acidizing, emulsion breaking, PH value adjusting, flocculating, adjusting, filter pressing, cooling and constant temperature maintaining. The device and the method have the beneficial effects that centralized treatment of various emulsification wastewater can be achieved; the treatment difficulty of the emulsion wastewater is reduced to a great extent; the breaking effects of high-concentration and multi-variety emulsions are effectively ensured; the effluent can be ensured to meet the requirements of subsequent biochemical treatment; meanwhile, the labor intensity of workers is reduced, and the economic benefits of enterprises are increased.
Description
Technical field
The present invention relates to a kind of high COD, multiple types waste emulsified mixture breaking device and breaking method thereof.
Background technology
Emulsifying liquid waste water is waste water common in plant produced, is characterized in various in style, COD
crhigh with oleaginousness concentration, intractability is large; Conventional waste emulsified mixture treatment technology has heating method, salting-out process, coacervation, acidization etc. at present, and these methods are only applicable to process a certain waste emulsified mixture; But in actual process, the kind that often comprises emulsion is more, and complicated component, for example: emulsifying liquid waste water, electroplating wastewater, percolate etc., use single method to realize and focus on, and cannot reach the effect of desirable breakdown of emulsion and the COD that degrades.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of can realization emulsion is focused on, and reaches high COD, multiple types waste emulsified mixture breaking device and the breaking method thereof of breakdown of emulsion and degraded COD.
For addressing the above problem, the present invention adopts following technical scheme:
High COD of the present invention, multiple types waste emulsified mixture breaking device, comprise heat exchanger, and the reactor being connected successively with heat exchanger, No. 1 equalizing tank, plate-and-frame filter press; Described plate-and-frame filter press is also connected with sludge sump; Described plate-and-frame filter press is also connected with heat exchanger; Described inside reactor is disposed with acidifying setting device, FeSO4 breaking device, lime neutralising arrangement and flocculation reaction device.
Further, described reactor is also connected with water pump by heat exchanger.
Further, described heat exchanger inside is provided with heating unit.
Further, described acidifying setting device inside is also provided with chemicals dosing plant.
Further, described plate-and-frame filter press inside is also provided with spiral pump.
A kind of high COD, multiple types waste emulsified mixture breaking method, comprise the following steps:
1) acidification: waste water enters after reactor, adds sulfuric acid to carry out acidification by chemicals dosing plant;
2) emulsification cracks: will be through step 1) water after treatment carries out heat temperature raising by steam, and water temperature is reached between 70 DEG C-85 DEG C, adds a certain amount of ferrous sulfate simultaneously;
3) regulate pH value: will be through step 2) water after treatment, maintain that it is temperature-resistant, by adding lime milk solution, adjust waste water PH between 9-10, will there is ferrous hydroxide flco throw out in water body;
4) flocculation: to through step 3) add PAM coagulant aids thoroughly to flocculate to water body in water after treatment;
5) regulating: will be through step 4) mixed solution after treatment puts into equalizing tank No. 1;
6) press filtration: will be through step 5) mud mixture after treatment promotes and enters plate-and-frame filter press and carry out press filtration with spiral pump;
7) cooling: will be through step 6) water after treatment lowered the temperature through over-heat-exchanger, and leaving water temperature(LWT) is controlled between 30 DEG C-40 DEG C, and the waste heat of breakdown of emulsion waste water cooling simultaneously preheats the emulsion that enters reactor by heat exchanging process;
8) constant temperature: will be through step 7) water after treatment carries out constant temperature processing, ensures that follow-up anaerobic reaction is temperature required.
Compared with prior art, it has following beneficial effect in the present invention: one of the present invention can realize emulsion is focused on, and reaches high COD, multiple types waste emulsified mixture breaking device and the breaking method thereof of breakdown of emulsion and degraded COD; Because the present invention can realize, multiple emulsifying liquid waste water is focused on, reduce to a great extent the intractability of emulsifying liquid waste water, effectively ensure the demulsification of the emulsion of high density, multiple types, and can ensure that water outlet reaches the requirement of follow-up biochemical treatment, reduce staff's labour intensity simultaneously, improved the economic benefit of enterprise.
Brief description of the drawings
Fig. 1 is structured flowchart of the present invention;
Fig. 2 is workflow diagram of the present invention.
1-heat exchanger; 2-reactor; 3-1 equalizing tank; 4-plate-and-frame filter press; 5-sludge sump; 6-acidifying setting device; 7-FeSO4 breaking device; 8-lime neutralising arrangement; 9-flocculation reaction device; 10-water pump; 11-heating unit.
Embodiment
The high COD of one as depicted in figs. 1 and 2, multiple types waste emulsified mixture breaking device, comprise heat exchanger 1, and 2, No. 1 equalizing tank 3 of the reactor being connected successively with heat exchanger, plate-and-frame filter press 4; Described plate-and-frame filter press 4 is also connected with sludge sump 5; Described plate-and-frame filter press 4 is also connected with heat exchanger 1; Described reactor 2 inside are disposed with acidifying setting device 6, FeSO4 breaking device 7, lime neutralising arrangement 8 and flocculation reaction device 9.
Wherein, described reactor 2 is also connected with water pump 10 by heat exchanger 1; Described heat exchanger 1 inside is provided with heating unit 11; Described acidifying setting device 6 inside are also provided with chemicals dosing plant; Described plate-and-frame filter press 4 inside are also provided with spiral pump.
A kind of high COD, multiple types waste emulsified mixture breaking method, comprise the following steps:
1) acidification: waste water enters after reactor, adds sulfuric acid to carry out acidification by chemicals dosing plant;
2) emulsification cracks: will be through step 1) water after treatment carries out heat temperature raising by steam, and water temperature is reached between 70 DEG C-85 DEG C, adds a certain amount of ferrous sulfate simultaneously;
3) regulate pH value: will be through step 2) water after treatment, maintain that it is temperature-resistant, by adding lime milk solution, adjust waste water PH between 9-10, will there is ferrous hydroxide flco throw out in water body;
4) flocculation: to through step 3) add PAM coagulant aids thoroughly to flocculate to water body in water after treatment;
5) regulating: will be through step 4) mixed solution after treatment puts into equalizing tank No. 1;
6) press filtration: will be through step 5) mud mixture after treatment promotes and enters plate-and-frame filter press and carry out press filtration with spiral pump;
7) cooling: will be through step 6) water after treatment lowered the temperature through over-heat-exchanger, and leaving water temperature(LWT) is controlled between 30 DEG C-40 DEG C, and the waste heat of breakdown of emulsion waste water cooling simultaneously preheats the emulsion that enters reactor by heat exchanging process;
8) constant temperature: will be through step 7) water after treatment carries out constant temperature processing, ensures that follow-up anaerobic reaction is temperature required.
One of the present invention can realize emulsion is focused on, and reaches high COD, multiple types waste emulsified mixture breaking device and the breaking method thereof of breakdown of emulsion and degraded COD; Because the present invention can realize, multiple emulsifying liquid waste water is focused on, reduce to a great extent the intractability of emulsifying liquid waste water, effectively ensure the demulsification of the emulsion of high density, multiple types, and can ensure that water outlet reaches the requirement of follow-up biochemical treatment, reduce staff's labour intensity simultaneously, improved the economic benefit of enterprise.
The above, be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, and any variation of expecting without creative work or replacement, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claims were limited.
Claims (6)
1. high COD, a multiple types waste emulsified mixture breaking device, is characterized in that: comprise heat exchanger, and the reactor being connected successively with heat exchanger, No. 1 equalizing tank, plate-and-frame filter press; Described plate-and-frame filter press is also connected with sludge sump; Described plate-and-frame filter press is also connected with heat exchanger; Described inside reactor is disposed with acidifying setting device, FeSO4 breaking device, lime neutralising arrangement and flocculation reaction device.
2. high COD according to claim 1, multiple types waste emulsified mixture breaking device, is characterized in that: described reactor is also connected with water pump by heat exchanger.
3. high COD according to claim 1, multiple types waste emulsified mixture breaking device, is characterized in that: described heat exchanger inside is provided with heating unit.
4. high COD according to claim 1, multiple types waste emulsified mixture breaking device, is characterized in that: described acidifying setting device inside is also provided with chemicals dosing plant.
5. high COD according to claim 1, multiple types waste emulsified mixture breaking device, is characterized in that: described plate-and-frame filter press inside is also provided with spiral pump.
6. high COD, a multiple types waste emulsified mixture breaking method, is characterized in that: comprise the following steps:
1) acidification: waste water enters after reactor, adds sulfuric acid to carry out acidification by chemicals dosing plant;
2) emulsification cracks: will be through step 1) water after treatment carries out heat temperature raising by steam, and water temperature is reached between 70 DEG C-85 DEG C, adds a certain amount of ferrous sulfate simultaneously;
3) regulate pH value: will be through step 2) water after treatment, maintain that it is temperature-resistant, by adding lime milk solution, adjust waste water PH between 9-10, will there is ferrous hydroxide flco throw out in water body;
4) flocculation: to through step 3) add PAM coagulant aids thoroughly to flocculate to water body in water after treatment;
5) regulating: will be through step 4) mixed solution after treatment puts into equalizing tank No. 1;
6) press filtration: will be through step 5) mud mixture after treatment promotes and enters plate-and-frame filter press and carry out press filtration with spiral pump;
7) cooling: will be through step 6) water after treatment lowered the temperature through over-heat-exchanger, and leaving water temperature(LWT) is controlled between 30 DEG C-40 DEG C, and the waste heat of breakdown of emulsion waste water cooling simultaneously preheats the emulsion that enters reactor by heat exchanging process;
8) constant temperature: will be through step 7) water after treatment carries out constant temperature processing, ensures that follow-up anaerobic reaction is temperature required.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105000708A (en) * | 2015-07-01 | 2015-10-28 | 上海幽岫环保科技有限公司 | Waste emulsion quantitative reduction processing technology and apparatus |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102642961A (en) * | 2012-05-11 | 2012-08-22 | 同济大学 | Reuse treatment method for industrial wastewater from refrigerator compressor factory |
| CN102849880A (en) * | 2012-09-24 | 2013-01-02 | 杰瑞能源服务有限公司 | Method for comprehensive treatment of oilfield waste |
| CN102910765A (en) * | 2012-11-20 | 2013-02-06 | 安徽新天环保科技有限公司 | Demulsifying and flocculating treatment method of machining cutting fluid sewage water |
| CN204138457U (en) * | 2014-01-28 | 2015-02-04 | 青岛新天地固体废物综合处置有限公司 | A kind of high COD, multiple types waste emulsified mixture breaking device |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102642961A (en) * | 2012-05-11 | 2012-08-22 | 同济大学 | Reuse treatment method for industrial wastewater from refrigerator compressor factory |
| CN102849880A (en) * | 2012-09-24 | 2013-01-02 | 杰瑞能源服务有限公司 | Method for comprehensive treatment of oilfield waste |
| CN102910765A (en) * | 2012-11-20 | 2013-02-06 | 安徽新天环保科技有限公司 | Demulsifying and flocculating treatment method of machining cutting fluid sewage water |
| CN204138457U (en) * | 2014-01-28 | 2015-02-04 | 青岛新天地固体废物综合处置有限公司 | A kind of high COD, multiple types waste emulsified mixture breaking device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105000708A (en) * | 2015-07-01 | 2015-10-28 | 上海幽岫环保科技有限公司 | Waste emulsion quantitative reduction processing technology and apparatus |
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Inventor after: Han Qingjie Inventor after: Guo Bei Inventor after: Ye Yuling Inventor after: Wang Jianjun Inventor after: Qiao Linlin Inventor before: Han Qingjie |
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Effective date of registration: 20170720 Address after: 266000 Shandong Province, Qingdao is a city of Yanan Road No. 39 Patentee after: QINGDAO XINTIANDI ENVIRONMENTAL PROTECTION CO., LTD. Address before: 266600, No. 1, Xintiandi Road, Jiangshan Town, Laixi, Shandong, Qingdao Patentee before: QINGDAO NEW WORLD SOLID WASTES INTEGRATED MANAGEMENT CO., LTD. |
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