CN106396291A - Treatment method for up-to-standard emission of mechanical cutting fluid - Google Patents
Treatment method for up-to-standard emission of mechanical cutting fluid Download PDFInfo
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- CN106396291A CN106396291A CN201611088946.3A CN201611088946A CN106396291A CN 106396291 A CN106396291 A CN 106396291A CN 201611088946 A CN201611088946 A CN 201611088946A CN 106396291 A CN106396291 A CN 106396291A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
- C02F1/46114—Electrodes in particulate form or with conductive and/or non conductive particles between them
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/463—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrocoagulation
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/06—Controlling or monitoring parameters in water treatment pH
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a treatment method for up-to-standard emission of mechanical cutting fluid. The method comprises the following steps: putting a stock solution into a regulating pond, and then sequentially treating the stock solution in a first-stage pH adjusting flocculation tank, a first-stage hydroxyl flocculation combined bed, a second-stage pH adjusting flocculation tank, a plate-and-frame filter press, a middle water tank, a second-stage hydroxyl flocculation combined bed, a third-stage pH adjusting flocculation tank, a first-stage sedimentation tank, a third-stage hydroxyl flocculation combined bed, a fourth-stage pH adjusting flocculation tank, a second-stage sedimentation tank, a fourth-stage hydroxyl flocculation combined bed, a first-stage aeration biological filter tank, a third-stage sedimentation tank and a clear water tank to ensure that the stock solution finally reaches a reclaimed water recycling or first-level A emission standard. The treatment method disclosed by the invention is simple in process, and low in running cost, the treatment cost of one ton of water is about 1% of an original mode (distillation or incineration), and moreover, the effluent can reach the reclaimed water recycling or first-level A emission standard.
Description
Technical field
The present invention relates to a kind of qualified discharge processing method of Mechanism cutting emulsification wastewater.
Background technology
At present, China's machining sparetime university amount uses cutting fluid, and cutting fluid is that one kind is cut, cuts, ground the course of processing used in metal
In, for cooling down and lubricating the industrial type fluid of cutter and workpiece, cutting fluid is combined through science by multiple super strong functional auxiliary agents
Compatibility forms, and is provided simultaneously with good cooling performance, greasy property, rustless property, oil removing cleaning function, anti-corrosion function, easily dilute
Release feature.Because discharging of waste liquid causes substantial pollution to environment, produce a large amount of chemical oxygen demand cods, consume a large amount of water for industrial uses,
Environmental pollution caused by discharging of waste liquid is increasingly subject to pay attention to.It is thus desirable to processing rear discharge up to standard.
Content of the invention
The present invention seeks to provide a kind of qualified discharge process side of Mechanism cutting emulsification wastewater for the defect that prior art exists
Method.
The present invention for achieving the above object, adopts the following technical scheme that：A kind of recovery and treatment method of Mechanism cutting emulsification wastewater, bag
Include following process step：
S1, stock solution enter regulating reservoir, by regulating reservoir, the water yield of waste liquid and water quality are adjusted；
S2, the stock solution after the regulation of step S1 enter one-level PH by elevator pump and adjust agitator tank, and adjust in one-level PH
Add acid in agitator tank, stir 20-30 minute, so that the pH value of stock solution is adjusted to 5.5-6.5；
S3, the stock solution after the process of step S2 enter into primary OH flocculation multiple-hearth, and add catalyst filling, stock solution
The hydraulic detention time flocculating in multiple-hearth in primary OH is 25-40 minute, and steam-water ratio is 1:4-6, voltage lies prostrate for 20-30；
S4, process through step S3 after stock solution enter into one-level PH and adjust flocculation tanks, and add appropriate bases so that stock solution
PH value controls between 8-9；
S5, the stock solution after the process of step S4 enter into filter press by elevator pump, and carry out solid-liquid separation process,
Carry out liquid storage subsequently into intermediate pool；
S6, process through step S5 after stock solution secondary hydroxyl groups flocculation multiple-hearth is entered by intermediate lift pump, and add and urge
Agent filler, hydraulic detention time in secondary hydroxyl groups flocculation multiple-hearth for the stock solution is 30 minutes, and steam-water ratio is 1:3-5；Electricity
Press as 45-50 volt；
S7, process through step S6 after stock solution enter two grades of PH and adjust flocculation tanks, and add appropriate bases so that the PH of stock solution
Value controls between 8-9；
S8, the stock solution after the process of step S7 are introduced into first stage precipitation tank, then enter back into three-level hydroxyl flocculation multiple-hearth,
And adding catalyst filling, hydraulic detention time in secondary hydroxyl groups flocculation multiple-hearth for the stock solution is 30 minutes, and steam-water ratio is
1:3-5；Voltage lies prostrate for 45-50；
S9, process through step S8 after stock solution enter three-level PH and adjust flocculation tanks, and add appropriate bases so that the PH of stock solution
Value controls between 8-9；
S10, the stock solution after the process of step S9 are introduced into second-level settling pond, then enter back into the flocculation of level Four hydroxyl compound
Bed, and add catalyst filling, hydraulic detention time in secondary hydroxyl groups flocculation multiple-hearth for the stock solution is 30 minutes, steam-water ratio
For 1:3-5；Voltage lies prostrate for 45-50；
S11, the stock solution after the process of step S10 are introduced into one-level BAF, and carry out bio-aeration process；Its
In, hydraulic detention time in one-level BAF for the stock solution is 2-3 hour, and steam-water ratio is 1:7-10；
S12, through step S11 process after stock solution sequentially enter after three-level sedimentation tank and clear water reserviors, up to standard reclaim or discharge.
Preferably, contain the ferrum carbon filler accounting for cumulative volume 30% in the described catalyst filling in step S3；Wherein, described
In ferrum carbon filler, the mass percent of ferrum is 20-25%, and has a small amount of rare earth, vanadium, molybdenum or palladium element.
Beneficial effects of the present invention：Present invention process is simple, low cost, and ton water process expense is only 7-9 unit, is original side
The 1% about of formula (distillation or burn), and water outlet can reach reuse or one-level A row put standard.
Brief description
The schematic flow sheet of Fig. 1 present invention.
Specific embodiment
Shown in Fig. 1, it is related to a kind of qualified discharge processing method of Mechanism cutting emulsification wastewater, including following process step：
S1, stock solution enter regulating reservoir, by regulating reservoir, the water yield of waste liquid and water quality are adjusted；
S2, the stock solution after the regulation of step S1 enter one-level PH by elevator pump and adjust flocculation tanks, and adjust in one-level PH
Add acid in flocculation tanks, stir 20-30 minute, so that the pH value of stock solution is adjusted to 5.5-6.5；
S3, the stock solution after the process of step S2 enter into primary OH flocculation multiple-hearth, and add catalyst filling, stock solution
The hydraulic detention time flocculating in multiple-hearth in primary OH is 25-40 minute, and steam-water ratio is 1:4-6, voltage lies prostrate for 20-30；
S4, process through step S3 after stock solution enter into two grades of PH and adjust flocculation tanks, and add appropriate bases so that stock solution
PH value controls between 8-9；
S5, the stock solution after the process of step S4 enter into filter press by elevator pump, and carry out solid-liquid separation process,
Carry out liquid storage subsequently into intermediate pool；
S6, process through step S5 after stock solution secondary hydroxyl groups flocculation multiple-hearth is entered by intermediate lift pump, and add and urge
Agent filler, hydraulic detention time in secondary hydroxyl groups flocculation multiple-hearth for the stock solution is 30 minutes, and steam-water ratio is 1:3-5；Electricity
Press as 45-50 volt；
S7, process through step S6 after stock solution enter three-level PH and adjust flocculation tanks, and add appropriate bases so that the PH of stock solution
Value controls between 8-9；
S8, the stock solution after the process of step S7 are introduced into first stage precipitation tank, then enter back into three-level hydroxyl flocculation multiple-hearth,
And adding catalyst filling, hydraulic detention time in secondary hydroxyl groups flocculation multiple-hearth for the stock solution is 30 minutes, and steam-water ratio is
1:3-5；Voltage lies prostrate for 45-50；
S9, process through step S8 after stock solution enter level Four PH and adjust flocculation tanks, and add appropriate bases so that the PH of stock solution
Value controls between 8-9；
S10, the stock solution after the process of step S9 are introduced into second-level settling pond, then enter back into the flocculation of level Four hydroxyl compound
Bed, and add catalyst filling, hydraulic detention time in secondary hydroxyl groups flocculation multiple-hearth for the stock solution is 30 minutes, steam-water ratio
For 1:3-5；Voltage lies prostrate for 45-50；
S11, the stock solution after the process of step S10 are introduced into one-level BAF, and carry out bio-aeration process；Its
In, hydraulic detention time in one-level BAF for the stock solution is 2-3 hour, and steam-water ratio is 1:7-10；
S12, through step S11 process after stock solution sequentially enter after three-level sedimentation tank and clear water reserviors, up to standard reclaim or discharge.
For reaching optimum efficiency, in the described catalyst filling in step S3, contain the ferrum carbon filler accounting for cumulative volume 30%；
Wherein, in described ferrum carbon filler, the mass percent of ferrum is 20-25%, and has the elements such as a small amount of rare earth, vanadium, molybdenum or palladium.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all spirit in the present invention and
Within principle, any modification, equivalent substitution and improvement made etc., should be included within the scope of the present invention.
Claims (2)
1. a kind of qualified discharge processing method of Mechanism cutting emulsification wastewater is it is characterised in that include following process step：
S1, stock solution enter regulating reservoir, by regulating reservoir, the water yield of waste liquid and water quality are adjusted；
S2, the stock solution after the regulation of step S1 enter one-level PH by elevator pump and adjust flocculation tanks, and adjust flocculation in one-level PH
Add acid in case, stir 20-30 minute, so that the pH value of stock solution is adjusted to 5.5-6.5；
S3, process through step S2 after stock solution enter into primary OH flocculation multiple-hearth, and add catalyst filling, stock solution is one
The hydraulic detention time that level hydroxyl flocculates in multiple-hearth is 25-40 minute (time of staying determines according to raw water quality), steam-water ratio
For 1:4-6, voltage lies prostrate (voltage determines) according to raw water quality for 20-30；
S4, process through step S3 after stock solution enter into two grades of PH and adjust flocculation tanks, and add appropriate bases so that the pH value of stock solution
Control between 8-9；
S5, the stock solution after the process of step S4 enter into filter press by elevator pump, and carry out solid-liquid separation process, then
Enter intermediate pool and carry out liquid storage；
S6, the stock solution after the process of step S5 enter secondary hydroxyl groups flocculation multiple-hearth by intermediate lift pump, and add catalyst
Filler, hydraulic detention time in secondary hydroxyl groups flocculation multiple-hearth for the stock solution is 30 minutes, and steam-water ratio is 1:3-5；Voltage is
45-50 lies prostrate；
S7, process through step S6 after stock solution enter three-level PH and adjust flocculation tanks, and add appropriate bases so that the pH value control of stock solution
System is between 8-9；
S8, the stock solution after the process of step S7 are introduced into first stage precipitation tank, then enter back into three-level hydroxyl flocculation multiple-hearth, and plus
Enter catalyst filling, hydraulic detention time in three-level hydroxyl flocculation multiple-hearth for the stock solution is 30 minutes, and steam-water ratio is 1:3-
5；Voltage lies prostrate for 45-50；
S9, process through step S8 after stock solution enter level Four PH and adjust flocculation tanks, and add appropriate bases so that the pH value control of stock solution
System is between 8-9；
S10, the stock solution after the process of step S9 are introduced into second-level settling pond, then enter back into level Four hydroxyl flocculation multiple-hearth, and
Add catalyst filling, hydraulic detention time in level Four hydroxyl flocculation multiple-hearth for the stock solution is 30 minutes, and steam-water ratio is 1:
3-5；Voltage lies prostrate for 45-50；
S11, the stock solution after the process of step S10 are introduced into one-level BAF, and carry out bio-aeration process；Wherein,
Hydraulic detention time in one-level BAF for the stock solution is 2-3 hour, and steam-water ratio is 1:7-10；
S12, process through step S11 after stock solution sequentially enter after three-level sedimentation tank and clear water reserviors, qualified discharge or Treated sewage reusing.
2. as claimed in claim 1 a kind of recovery and treatment method of Mechanism cutting emulsification wastewater it is characterised in that described in step S3
The ferrum carbon filler accounting for cumulative volume 30% is contained in catalyst filling；Wherein, in described ferrum carbon filler, the mass percent of ferrum is 20-
25%, and have a small amount of rare earth, vanadium, molybdenum or palladium element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611088946.3A CN106396291A (en) | 2016-12-01 | 2016-12-01 | Treatment method for up-to-standard emission of mechanical cutting fluid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611088946.3A CN106396291A (en) | 2016-12-01 | 2016-12-01 | Treatment method for up-to-standard emission of mechanical cutting fluid |
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| Publication Number | Publication Date |
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| CN106396291A true CN106396291A (en) | 2017-02-15 |
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| CN201611088946.3A Pending CN106396291A (en) | 2016-12-01 | 2016-12-01 | Treatment method for up-to-standard emission of mechanical cutting fluid |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1792894A (en) * | 2005-11-17 | 2006-06-28 | 中国地质大学（武汉） | Process for treating yellow ginger saponin waste water by hydrochloric acid method |
| CN102295385A (en) * | 2011-06-27 | 2011-12-28 | 湖北科亮生物环保科技有限公司 | Garbage percolate processing technology |
| CN102826697A (en) * | 2012-08-08 | 2012-12-19 | 青岛昊源环境工程技术有限公司 | Method and system for modularized combined treatment of high-difficulty organic waste water |
| EP2664579A1 (en) * | 2012-05-14 | 2013-11-20 | Taiwan Water Recycle Technology Co., Ltd. | Method and apparatus for recycling and treating wastes of silicon wafer cutting and polishing processes |
| CN105417839A (en) * | 2015-10-30 | 2016-03-23 | 赣州中联环保科技开发有限公司 | Treatment system and method for treating pre-treatment wastewater of electroplating |
-
2016
- 2016-12-01 CN CN201611088946.3A patent/CN106396291A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1792894A (en) * | 2005-11-17 | 2006-06-28 | 中国地质大学（武汉） | Process for treating yellow ginger saponin waste water by hydrochloric acid method |
| CN102295385A (en) * | 2011-06-27 | 2011-12-28 | 湖北科亮生物环保科技有限公司 | Garbage percolate processing technology |
| EP2664579A1 (en) * | 2012-05-14 | 2013-11-20 | Taiwan Water Recycle Technology Co., Ltd. | Method and apparatus for recycling and treating wastes of silicon wafer cutting and polishing processes |
| CN102826697A (en) * | 2012-08-08 | 2012-12-19 | 青岛昊源环境工程技术有限公司 | Method and system for modularized combined treatment of high-difficulty organic waste water |
| CN105417839A (en) * | 2015-10-30 | 2016-03-23 | 赣州中联环保科技开发有限公司 | Treatment system and method for treating pre-treatment wastewater of electroplating |
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Application publication date: 20170215 |