CN201665593U - Desulfurization waste water treating system - Google Patents
Desulfurization waste water treating system Download PDFInfo
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- CN201665593U CN201665593U CN2010201367392U CN201020136739U CN201665593U CN 201665593 U CN201665593 U CN 201665593U CN 2010201367392 U CN2010201367392 U CN 2010201367392U CN 201020136739 U CN201020136739 U CN 201020136739U CN 201665593 U CN201665593 U CN 201665593U
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Abstract
The utility model discloses a desulfurization waste water treating system comprising a storage chamber (1), a neutralization tank (2), a settling tank (3), a flocculation tank (4), a concentration basin (5) and a sludge buffering chamber (6) wherein the storage chamber (1), the neutralization tank (2), the settling tank (3), the flocculation tank (4), the concentration basin (5) and the sludge buffering chamber (6) are connected in order. The storage chamber (1) is connected with a pre-sedimentation tank (7) provided with an outlet pipe (7a) at the upper part. The outlet pipe (7a) is above the storage chamber (1). The utility model can be used to treat desulfurization waste water with a high content of solid. In addition, capable of consuming less energy while enhancing the stability of the waste water treating system, the utility model can also treat the desulfurization waste water on a larger scale and produces purer water at a lower expense.
Description
Technical field
The utility model relates to a kind of Waste Water Treatment, relates in particular to the desulfurization wastewater treatment system that contains heavy metal, organism and suspended substance.
Background technology
In being provided with the power plant of flue gas desulfurization device, heavy metal element can enter desulfurization wastewater in coal and the Wingdale, and these waste water need carry out independent processing removes heavy metal ion, to satisfy environmental requirement.It is acid that desulfurization wastewater is, high turbidity, and high viscosity contains the multiple heavy metal ion that exceeds standard in the waste water, and suspension content is up to 10000～12000mg/L, and solid content is at 1-2%.
The desulfurization wastewater that produces because of the swirler in the flue gas desulfurization (FGD) unit has discontinuity, present desulfurization wastewater treatment technology, waste water at first enters torage tank, in lime with behind agitator tank, heavy metal sedimentation agitator tank, the coagulation agitator tank, arrive the clarification concentration basin again, discharge during clear water in the clarified wastewater pond enters and in the case and behind the pH, in the clarification concentration basin mud scraper is installed, purifying concentration time is 15-20 hour, and mud is transported to by slush pump and transports after the sludge dewatering equipment press filtration becomes filter cake.These technical matters long flow paths, floor space is big, investment and working cost height, clarification time is long, often do not reach after the purification of waste water the comprehensive first discharge standard of national sewage (≤70mg/L), operating stirrer, put forward rake mud scraper failure rate height, maintaining difficulty.In the actual motion that desulfurization wastewater is handled, desulfurization wastewater comes the solid content of water often greater than design load, thereby increases the load of neutralization, sedimentation and flocculation subsequent disposal system, waste power and medicament and cause impact to system device.
The utility model content
The desulfurization wastewater treatment system that provides a kind of cost low, stable is provided technical problem to be solved in the utility model.
The technical solution of the utility model is as follows: a kind of desulfurization wastewater treatment system, comprise storage pool, in and case, sludge box, flocculation tanks, concentration basin and mud Buffer Pool, wherein said storage pool, in and case, sludge box, flocculation tanks, concentration basin and mud Buffer Pool be communicated with successively, it is characterized in that: described storage pool is connected with preliminary sedimentation tank, this preliminary sedimentation tank top is provided with rising pipe, and described rising pipe is positioned at the storage pool top.Waste water is introduced into preliminary sedimentation tank, the solid content difference of water inlet, and the residence time of preliminary sedimentation tank was at 1-2 hour, the mud of preliminary sedimentation tank bottom is discharged, waste water behind the preliminary sedimentation enters storage pool, to satisfy the intermitten service of desulfurization wastewater, reacts with case, sludge box and flocculation tanks in entering again.
Above-mentioned preliminary sedimentation tank is made of for two sections the round shape on top and the doline of bottom, and the funnel shaped part of described preliminary sedimentation tank is positioned at the storage pool below, and the funnel shaped middle part of this preliminary sedimentation tank is connected with the blow-off pipe that blow down to the mud Buffer Pool.The mud of preliminary sedimentation tank bottom enters the mud Buffer Pool.
Be separated by the dividing plate that same casing vertically is provided with case, sludge box, flocculation tanks in above-mentioned, be provided with two dividing plates in described and between case and the sludge box, dividing plate lower end and tank floor with case in wherein leaning on leave the gap, leave the gap by the dividing plate upper end of sludge box with box top; Be provided with two dividing plates between described sludge box and the flocculation tanks, wherein dividing plate lower end and the tank floor by sludge box leaves the gap, leaves the gap by the dividing plate upper end of flocculation tanks with box top; In described and in case, sludge box and the flocculation tanks whipping appts is installed all.In and case add lime treatment, sludge box reduces suspended substance and the colloidal content that heavy metal, flocculation tanks reduce, and enters concentration basin.Constantly stir simultaneously with in case, sludge box, the flocculation tanks.
In above-mentioned and case, sludge box, flocculation tanks bottom is provided with blow-off pipe and communicates with concentration basin top.In and case, sludge box, flocculation tanks bottom body refuse can discharge from blow-off pipe.
Above-mentioned storage pool top through pipeline with in and case is communicated with, described flocculation tanks top is communicated with concentration basin through pipeline, is communicated with the mud Buffer Pool through pipeline bottom the described concentration basin.
Above-mentioned flocculation tanks top is communicated with outlet sump through pipeline.Clear water after the neutralizing treatment enters outlet sump.
Beneficial effect: the utility model is mainly used in the desulfurization wastewater of high solid content and handles, and this desulfurization wastewater treatment system can reduce energy consumption and increase the stability of system, and bigger to the process range of desulfurization wastewater, effluent quality is better, and working cost is lower.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
As shown in Figure 1, a kind of desulfurization wastewater treatment system of the utility model, mainly by preliminary sedimentation tank 7, outlet sump 8, storage pool 1, in and case 2, sludge box 3, flocculation tanks 4, concentration basin 5 and mud Buffer Pool 6 etc. form, described storage pool 1 is connected with preliminary sedimentation tank 7, these preliminary sedimentation tank 7 tops are provided with rising pipe 7a, and described rising pipe 7a is positioned at storage pool 1 top.Described preliminary sedimentation tank 7 is made of for two sections the round shape on top and the doline of bottom, and described storage pool 7 funnel shaped parts are positioned at storage pool 1 below, and these storage pool 7 funnel shaped middle parts are connected with the blow-off pipe 7b that blow down to mud Buffer Pool 6.
Be separated by the dividing plate that same casing vertically is provided with case 2, sludge box 3, flocculation tanks 4 in described, be provided with two dividing plates in described and between case 2 and the sludge box 3, dividing plate lower end and tank floor with case 2 in wherein leaning on leave the gap, leave the gap by the dividing plate upper end of sludge box 3 with box top; Be provided with two dividing plates between described sludge box 3 and the flocculation tanks 4, wherein dividing plate lower end and the tank floor by sludge box 3 leaves the gap, leaves the gap by the dividing plate upper end of flocculation tanks 4 with box top; In described and in case 2, sludge box 3 and the flocculation tanks 4 whipping appts is installed all.Storage pool 1 top through pipeline with in and case 2 is communicated with, described flocculation tanks 4 tops are communicated with concentration basin 5 through pipeline, are provided with blow-off pipe and communicate with concentration basin 5 tops with case 2, sludge box 3, flocculation tanks 4 bottoms in described.Described concentration basin 5 bottoms are communicated with mud Buffer Pool 6 through pipeline.Flocculation tanks 4 tops are communicated with outlet sump 8 through pipeline.
In 7 pairs of desulfurization wastewater pre-treatment of preliminary sedimentation tank, enter storage pool 1 again, during storage pool 1 top waste water enters then and case 2, in and case 2 in the adding lime treatment, sludge box 4 reduces the suspended substance and the colloidal content of heavy metal, flocculation tanks 5 minimizings, enter concentration basin 5, neutralizing treatment upper back clear liquid enters outlet sump 8, and the bottom body refuse enters mud Buffer Pool 6.
Claims (6)
1. desulfurization wastewater treatment system, comprise storage pool (1), in and case (2), sludge box (3), flocculation tanks (4), concentration basin (5) and mud Buffer Pool (6), wherein said storage pool (1), in and case (2), sludge box (3), flocculation tanks (4), concentration basin (5) and mud Buffer Pool (6) be communicated with successively, it is characterized in that: described storage pool (1) is connected with preliminary sedimentation tank (7), this preliminary sedimentation tank (7) top is provided with rising pipe (7a), and described rising pipe (7a) is positioned at storage pool (1) top.
2. according to the described desulfurization wastewater treatment system of claim 1, it is characterized in that: described preliminary sedimentation tank (7) is made of for two sections the round shape on top and the doline of bottom, the funnel shaped part of described storage pool (7) is positioned at storage pool (1) below, and the funnel shaped middle part of this storage pool (7) is connected with the blow-off pipe (7b) that blow down to mud Buffer Pool (6).
3. according to the described desulfurization wastewater treatment system of claim 1, it is characterized in that: in described and case (2), sludge box (3), flocculation tanks (4) be separated by the dividing plate that same casing vertically is provided with, be provided with two dividing plates in described and between case (2) and the sludge box (3), in wherein leaning on and the dividing plate lower end and the tank floor of case (2) leave the gap, leave the gap by the dividing plate of sludge box (3) upper end with box top; Be provided with two dividing plates between described sludge box (3) and the flocculation tanks (4), wherein dividing plate lower end and the tank floor by sludge box (3) leaves the gap, leaves the gap by the dividing plate upper end of flocculation tanks (4) with box top; In described and in case (2), sludge box (3) and the flocculation tanks (4) whipping appts is installed all.
4. according to the described desulfurization wastewater treatment system of claim 3, it is characterized in that: in described and case (2), sludge box (3), flocculation tanks (4) bottom is provided with blow-off pipe and communicates with concentration basin (5) top.
5. according to the described desulfurization wastewater treatment system of claim 3, it is characterized in that: described storage pool (1) top through pipeline with in and case (2) be communicated with, described flocculation tanks (4) top is communicated with concentration basin (5) through pipeline, and described concentration basin (5) bottom is communicated with mud Buffer Pool (6) through pipeline.
6. according to the described desulfurization wastewater treatment system of claim 5, it is characterized in that: described flocculation tanks (4) top is communicated with outlet sump (8) through pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201367392U CN201665593U (en) | 2010-03-19 | 2010-03-19 | Desulfurization waste water treating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201367392U CN201665593U (en) | 2010-03-19 | 2010-03-19 | Desulfurization waste water treating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201665593U true CN201665593U (en) | 2010-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201367392U Expired - Fee Related CN201665593U (en) | 2010-03-19 | 2010-03-19 | Desulfurization waste water treating system |
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| CN (1) | CN201665593U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102531229A (en) * | 2011-11-16 | 2012-07-04 | 常州江南电力环境工程有限公司 | Comprehensive treatment process of desulfuration waste water |
| CN103030231A (en) * | 2011-09-29 | 2013-04-10 | 鞍钢股份有限公司 | Recovery system and recovery technology of desulfuration seawater |
| CN105110510A (en) * | 2015-09-16 | 2015-12-02 | 山东电力工程咨询院有限公司 | Desulfurization waste water treatment system and treatment method capable of preventing sewage blocking |
| CN109336282A (en) * | 2018-10-11 | 2019-02-15 | 华电电力科学研究院有限公司 | A kind of Processes and apparatus of desulfurization wastewater treatment system heavy metal sewage sludge decrement |
| CN109455852A (en) * | 2018-12-29 | 2019-03-12 | 浙江德创环保科技股份有限公司 | A kind of coagulating basin for desulfurization wastewater Zero discharging system |
| CN110961017A (en) * | 2019-11-26 | 2020-04-07 | 浙江嘉华特种尼龙有限公司 | Full-automatic spinning emulsified oil supply system |
-
2010
- 2010-03-19 CN CN2010201367392U patent/CN201665593U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103030231A (en) * | 2011-09-29 | 2013-04-10 | 鞍钢股份有限公司 | Recovery system and recovery technology of desulfuration seawater |
| CN103030231B (en) * | 2011-09-29 | 2015-04-08 | 鞍钢股份有限公司 | Recovery system and recovery technology of desulfuration seawater |
| CN102531229A (en) * | 2011-11-16 | 2012-07-04 | 常州江南电力环境工程有限公司 | Comprehensive treatment process of desulfuration waste water |
| CN105110510A (en) * | 2015-09-16 | 2015-12-02 | 山东电力工程咨询院有限公司 | Desulfurization waste water treatment system and treatment method capable of preventing sewage blocking |
| CN109336282A (en) * | 2018-10-11 | 2019-02-15 | 华电电力科学研究院有限公司 | A kind of Processes and apparatus of desulfurization wastewater treatment system heavy metal sewage sludge decrement |
| CN109455852A (en) * | 2018-12-29 | 2019-03-12 | 浙江德创环保科技股份有限公司 | A kind of coagulating basin for desulfurization wastewater Zero discharging system |
| CN110961017A (en) * | 2019-11-26 | 2020-04-07 | 浙江嘉华特种尼龙有限公司 | Full-automatic spinning emulsified oil supply system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101208 Termination date: 20150319 |
|
| EXPY | Termination of patent right or utility model |