CN105366850A - Electronic coagulation process and facility for coal-bearing wastewater - Google Patents
Electronic coagulation process and facility for coal-bearing wastewater Download PDFInfo
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- CN105366850A CN105366850A CN201510893328.5A CN201510893328A CN105366850A CN 105366850 A CN105366850 A CN 105366850A CN 201510893328 A CN201510893328 A CN 201510893328A CN 105366850 A CN105366850 A CN 105366850A
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- water
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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
- C02F1/463—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
Abstract
Back with sediment in wastewater; flocculation; the invention discloses an electronic coagulation process for coal-bearing wastewater. The process comprises the steps of: pumping the coal-bearing wastewater in a coal water sedimentation tank into an electronic flocculator; subjecting the coal-bearing wastewater to flocculation treatment in the electronic flocculator, pumping the wastewater into a sedimentation reaction tank, and sending the particulate matters back to the coal water sedimentation tank through a return pipe; settling the coal-bearing wastewater in the sedimentation reaction tank, sending the settled matters back to the coal water sedimentation tank through a drain pipe, and introducing the clean water into an intermediate clean water tank through an overflow pipe; pumping the clean water from the intermediate clean water tank into a multi-media filter and filtering; and flowing the sediments in the multi-media filter with the backwash water back to the coal water sedimentation tank, and introducing the filtering water through a pipe into a reuse water tank for water supply in the plant. The coal-bearing wastewater electronic flocculation facility comprises the coal water sedimentation tank, the electric flocculator, the sedimentation reaction tank, the intermediate clean water tank, the multi-media filter and the reuse water tank, which are arranged in accordance with the process steps. The invention as a novel energy-saving and environment-friendly process can generate considerable economic benefits, and has great application value.
Description
Technical field
The present invention relates to waste water treatment process and equipment, be specially a kind of containing coal waste water electronics flocculation process and facility.
Background technology
Mainly waste water, coal transporting trestle flushing waste water and coal yard early-stage rainwater is sprayed from coal yard containing coal waste water.
Traditional dosing containing coal waste water is coagulated to the problem place of wadding+membrane filtration treatment system:
1, containing in coal waste water containing a large amount of pulverized coal particle, particle size distribution is uneven, and there is the particle of a large amount of fine particle size, density is less, causes suspended substance can not effectively natural sedimentation.
2, dosing flocculation will reach good flocculating effect and must calculate chemical feeding quantity accurately, and chemical feeding quantity is very few or too much all can reduce flocculating effect.
3, coal handling system wash-down water is not continuous print, constantly change containing the water-quality guideline (TSS, PH, the water yield, water temperature etc.) in coal waste water, constantly will recalculate chemical feeding quantity according to the change of water quality, this is difficult to realize, finally cause flocculating effect poor, after process, water outlet worse and worse.
4, each producer in medicament market formula rate is different at present, if the producer of buying is different, has again new calculating to injected volume.
5, dosing flocculation is high to water quality requirement, adds that medicament is too much very few all can cause water outlet defective, and then affects the steady running of whole system.
Summary of the invention
For the deficiencies in the prior art, technical problem to be solved by this invention be propose a kind of energy-conserving and environment-protective containing coal waste water electronics flocculation process and facility.
Can solve the problems of the technologies described above containing coal waste water electronics flocculation process, its technical scheme be system under central intelligent controller PLC controls, enter system to recycling clear water from waste water, whole process is run continuously automatically, and its process is:
1, the coal waste water that contains in coal water precipitation pond is pumped into electric flocculation device.
2, in electric flocculation device, pump into precipitation reaction tank containing coal waste water after flocculation treatment, coagulated particles thing goes back to row coal water precipitation pond by return line.
3, containing the sedimentation in precipitation reaction tank of coal waste water, sediment is returned by blow-off pipe and drains into coal water precipitation pond, clean water basin in the middle of clear water is imported by upflow tube.
4, clear water pumps into more medium filter from middle clean water basin and proceeds filtration.
5, the sediment in more medium filter is back to coal water precipitation pond by backwash tube with backwashing water, and the clean water after filtration imports reuse pool for on-site water by pipeline.
What can solve the problems of the technologies described above contains coal waste water electric flocculation facility, its technical scheme comprises according to the above-mentioned coal water precipitation pond arranged containing coal waste water electronics flocculation process, electric flocculation device, precipitation reaction tank, middle clean water basin, more medium filter and reuse pool, described coal water precipitation pond is communicated with electric flocculation device by pump line, described electric flocculation device is communicated with precipitation reaction tank by pump line, electric flocculation device is also communicated with coal water precipitation pond by return line, clean water basin in the middle of described precipitation reaction tank is communicated with by upflow tube, precipitation reaction tank is also communicated with coal water precipitation pond by blow-off pipe, described middle clean water basin are communicated with more medium filter by pump line, described more medium filter is by pipeline connection reuse pool, be provided with back-purge system in more medium filter and be communicated with coal water precipitation pond by backwash tube, described reuse pool connection water pump pipe.
Beneficial effect of the present invention:
1, the present invention is the physical treatment process of a kind of advanced person containing coal waste water electronics flocculation process and facility, and whole process adds without any medicament, non-secondary pollution, is environmentfriendly products completely.
2, fully automatic operation of the present invention, without the need to manual maintenance, stable equipment operation, does not need maintenance of the equipment substantially.
3, the present invention can be used as an emerging energy-conserving and environment-protective technology and is applied, and after the project implementation, can save operation and maintenance cost about 1,000,000 yuan every year, produce considerable economic benefit, have larger using value to enterprise development.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the present invention.
Fig. 2 is the plot plan of Fig. 1 embodiment.
Figure number identifies: 1, coal water precipitation pond; 2, electric flocculation device; 3, precipitation reaction tank; 4, middle clean water basin; 5, more medium filter; 6, reuse pool; 7, pump line; 8, return line; 9, pipeline; 10, blow-off pipe; 11, backwash tube; 12, with water pump pipe; 13, upflow tube; 14, containing coal wastewater discharge pipe.
Embodiment
Below in conjunction with accompanying drawing illustrated embodiment, technical scheme of the present invention is described further.
The present invention is containing coal waste water electric flocculation facility, and its technical scheme comprises coal water precipitation pond 1, electric flocculation device 2, precipitation reaction tank 3, middle clean water basin 4, more medium filter 5 and reuse pool 6.
Described coal water precipitation pond 1, middle clean water basin 4 and reuse pool 6 adopt melt pit form, described electric flocculation device 2 and precipitation reaction tank 3 are based upon on the ground between coal water precipitation pond 1 and middle clean water basin 4, described more medium filter 5 is based upon on the ground between middle clean water basin 4 and reuse pool 6, as shown in Figure 1 and Figure 2.
The water-in in described coal water precipitation pond 1 is communicated with containing coal wastewater discharge pipe 14, the water outlet in coal water precipitation pond 1 is communicated with the water-in of electric flocculation device 2 by pump line 7, the slag-drip opening of electric flocculation device 2 is communicated with coal water precipitation pond 1 by return line 8, the water outlet of electric flocculation device 2 is communicated with the water-in of precipitation reaction tank 3 by pump line 7, the water outlet of described precipitation reaction tank 3 is communicated with the water-in of middle clean water basin 4 by upflow tube 13, the sewage draining exit of precipitation reaction 3 is communicated with coal water precipitation pond 1 by blow-off pipe 10, the water outlet of described middle clean water basin 4 is communicated with the water-in of more medium filter 5 by pump line 7, the water outlet of described more medium filter 5 is communicated with the water-in of reuse pool 6 by pipeline 9, back-purge system is provided with in more medium filter 5, the slag-drip opening of more medium filter 5 is communicated with coal water precipitation pond 1 by backwash tube 11, the water outlet connection water pump pipe 12 of described reuse pool 6, as Fig. 1, shown in Fig. 2.
Described electric flocculation device 2 routine adopts in parallel two, and corresponding described precipitation reaction tank 3 is set in parallel two, matches with its treatment capacity, and described more medium filter 5 is set in parallel 12, as shown in Figure 2.
According to the layout containing each facility of coal waste water electric flocculation, the present invention containing the process of coal waste water electronics flocculation process is:
1, be disposed to coal water precipitation pond 1 containing coal waste water by containing coal wastewater discharge pipe 14, larger material directly sinks to the bottom.
2, pump into electric flocculation device 2 containing coal waste water through pump line 7, electric field is produced after battery lead plate energising, tiny charged particle, colloid, macromolecular protein, virus particle, cells etc. carry out orientation movement under the effect of electric field, collision, and compression bielectron pull-up is steady, cause electrostatic double layer to compress de-steady, flocculation, the flco of formation can adsorb the material formation macrobeads such as tiny colloid and accelerate precipitation.
3, the coal waste water that contains after flocculation treatment is pumped into precipitation reaction tank 3 through pump line 7, and the particulate matter of precipitation drains into coal water precipitation pond 1 for 8 go back tos by return line.
4, in precipitation reaction tank 3, continue sedimentation containing the impurity in coal waste water, sediment drains into coal water precipitation pond 1 through sewage draining exit for 10 go back tos by blow-off pipe, clean water basin 4 in the middle of clear water is then imported by upflow tube 13 (being communicated with the overflow port at precipitation reaction tank 3).
5, clear water from middle clean water basin 4 through pump line 7 pump into more medium filter 5 proceed filter, the filtration medium of more medium filter 5 is not by the impact of grease, and in medium, have the hard coal of some amount can the most oils of Adsorption, reduce water outlet oleaginousness.
6, the clean water after more medium filter 5 filtration treatment imports reuse pool 6 by pipeline 9, the residue in more medium filter 5 through in after the flushing of back-purge system of establishing, drain into coal water precipitation pond 1 from slag-drip opening for 11 go back tos by backwash tube.
7, by the clean water in reuse pool 6 being pumped to coal yard required water unit with water pump pipe 12.
Facility of the present invention is under central intelligent controller PLC controls, and enter into recycling clean water from containing coal waste water, whole technological process is run continuously automatically, does not need add chemical agent and take plastic film mulch measure.
Claims (2)
1. containing coal waste water electronics flocculation process, it is characterized in that system is under central intelligent controller PLC controls, enter system to recycling clean water from waste water, whole process is run continuously automatically, and its process is:
1., the coal waste water that contains in coal water precipitation pond (1) is pumped into electric flocculation device (2);
2., containing coal waste water in electric flocculation device (2), pump into precipitation reaction tank (3) after flocculation treatment, coagulated particles thing returns row coal water precipitation pond (1) by return line (8);
3., containing the sedimentation in precipitation reaction tank (3) of coal waste water, sediment is returned by blow-off pipe (10) and drains into coal water precipitation pond (1), clean water basin (4) in the middle of clear water is imported by upflow tube (13);
4., clear water pumps into more medium filter (5) from middle clean water basin (4) and filters;
5. the sediment, in more medium filter (5) is back to coal water precipitation pond (1) by backwash tube (11) with backwashing water, and the clean water after filtration imports reuse pool (6) for on-site water by pipeline (9).
2. containing coal waste water electric flocculation facility, it is characterized in that: comprise the coal water precipitation pond (1) according to containing coal waste water electronics flocculation process layout as claimed in claim 1, electric flocculation device (2), precipitation reaction tank (3), middle clean water basin (4), more medium filter (5) and reuse pool (6), described coal water precipitation pond (1) is communicated with electric flocculation device (2) by pump line (7), described electric flocculation device (2) is communicated with precipitation reaction tank (3) by pump line (7), electric flocculation device (2) is also communicated with coal water precipitation pond (1) by return line (8), clean water basin (4) in the middle of described precipitation reaction tank (3) is communicated with by upflow tube (13), precipitation reaction tank (3) is also communicated with coal water precipitation pond (1) by blow-off pipe (10), described middle clean water basin (4) are communicated with more medium filter (5) by pump line (7), described more medium filter (5) is communicated with reuse pool (6) by pipeline (9), be provided with back-purge system in more medium filter (5) and be communicated with coal water precipitation pond (1) by backwash tube (11), described reuse pool (6) connection water pump pipe (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510893328.5A CN105366850A (en) | 2015-12-08 | 2015-12-08 | Electronic coagulation process and facility for coal-bearing wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510893328.5A CN105366850A (en) | 2015-12-08 | 2015-12-08 | Electronic coagulation process and facility for coal-bearing wastewater |
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| Publication Number | Publication Date |
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| CN105366850A true CN105366850A (en) | 2016-03-02 |
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| CN201510893328.5A Pending CN105366850A (en) | 2015-12-08 | 2015-12-08 | Electronic coagulation process and facility for coal-bearing wastewater |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105967405A (en) * | 2016-06-28 | 2016-09-28 | 南京德邦金属装备工程股份有限公司 | Treating and recycling method of coal washing wastewater |
| CN106045148A (en) * | 2016-08-09 | 2016-10-26 | 北京朗新明环保科技有限公司南京分公司 | Novel intelligent electric flocculation treatment apparatus of power plant coal-containing wastewater |
| CN109293044A (en) * | 2018-10-08 | 2019-02-01 | 国电常州发电有限公司 | Defeated coal coal-contained wastewater processing transformation device |
| CN110228876A (en) * | 2019-06-13 | 2019-09-13 | 北京朗新明环保科技有限公司南京分公司 | A kind of coal-contained wastewater processing system and its method |
| CN111018063A (en) * | 2019-12-26 | 2020-04-17 | 中科建创工程有限公司 | Coal-containing water treatment system based on electric flocculator |
| CN112973270A (en) * | 2021-01-20 | 2021-06-18 | 华电电力科学研究院有限公司 | Coal-containing wastewater treatment process for thermal power plant |
| CN115072911A (en) * | 2022-06-13 | 2022-09-20 | 江苏京源环保股份有限公司 | Anti-impact load coal-containing wastewater recycling treatment system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201296691Y (en) * | 2008-12-03 | 2009-08-26 | 信阳华电环保工程技术有限公司 | Coal-containing sewage processor |
| CN201343474Y (en) * | 2009-01-22 | 2009-11-11 | 上海易艾环境科技有限公司 | Electric flocculation sewage treatment device |
| CN202953895U (en) * | 2012-12-10 | 2013-05-29 | 成都飞创科技有限公司 | Electrocoagulation sewage treatment system |
-
2015
- 2015-12-08 CN CN201510893328.5A patent/CN105366850A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201296691Y (en) * | 2008-12-03 | 2009-08-26 | 信阳华电环保工程技术有限公司 | Coal-containing sewage processor |
| CN201343474Y (en) * | 2009-01-22 | 2009-11-11 | 上海易艾环境科技有限公司 | Electric flocculation sewage treatment device |
| CN202953895U (en) * | 2012-12-10 | 2013-05-29 | 成都飞创科技有限公司 | Electrocoagulation sewage treatment system |
Non-Patent Citations (3)
| Title |
|---|
| 杜啸天: "火力发电厂煤污水综合回收利用初探", 《工业设计》 * |
| 申丽明: "煤矿污水治理工程及污染减排技术", 《科技与企业》 * |
| 黄家林等: "火力发电厂含煤废水处理工艺探讨", 《江西煤炭科技》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105967405A (en) * | 2016-06-28 | 2016-09-28 | 南京德邦金属装备工程股份有限公司 | Treating and recycling method of coal washing wastewater |
| CN106045148A (en) * | 2016-08-09 | 2016-10-26 | 北京朗新明环保科技有限公司南京分公司 | Novel intelligent electric flocculation treatment apparatus of power plant coal-containing wastewater |
| CN109293044A (en) * | 2018-10-08 | 2019-02-01 | 国电常州发电有限公司 | Defeated coal coal-contained wastewater processing transformation device |
| CN110228876A (en) * | 2019-06-13 | 2019-09-13 | 北京朗新明环保科技有限公司南京分公司 | A kind of coal-contained wastewater processing system and its method |
| CN111018063A (en) * | 2019-12-26 | 2020-04-17 | 中科建创工程有限公司 | Coal-containing water treatment system based on electric flocculator |
| CN112973270A (en) * | 2021-01-20 | 2021-06-18 | 华电电力科学研究院有限公司 | Coal-containing wastewater treatment process for thermal power plant |
| CN115072911A (en) * | 2022-06-13 | 2022-09-20 | 江苏京源环保股份有限公司 | Anti-impact load coal-containing wastewater recycling treatment system |
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