CN103304053A - Treatment system for converting mine waste-rock dredging drainage water into production water - Google Patents
Treatment system for converting mine waste-rock dredging drainage water into production water Download PDFInfo
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- CN103304053A CN103304053A CN2013102061895A CN201310206189A CN103304053A CN 103304053 A CN103304053 A CN 103304053A CN 2013102061895 A CN2013102061895 A CN 2013102061895A CN 201310206189 A CN201310206189 A CN 201310206189A CN 103304053 A CN103304053 A CN 103304053A
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Abstract
一种矿井疏矸排水转化为生产用水的处理系统，其包括污泥处理系统以及通过管路顺序连通的带原水泵的原水池、管道混合器、星型絮凝池、斜板沉淀池、过滤池和清水池；管道混合器分别通过絮凝剂加药泵、助凝剂加药泵与絮凝剂水箱和助凝剂水箱连通，过滤池与带罗茨风机的管路连通，清水池与过滤器反洗水泵连通，清水池通过输送管与用水系统中的辅机循环水处理系统和锅炉补给水处理系统连接，过滤池通过过滤器反洗排放管道与原水池连通。本发明通过多层次的污水净化，可以对矿井疏矸排水进行高效的固液分离处理，能够去除掉水体中大量的煤尘颗粒，过滤池反洗排水回到原水池可以再利用，不会造成水资源的浪费,节约了能源。
A treatment system for converting gangue drainage from mines into production water, which includes a sludge treatment system, a raw water pool with a raw water pump, a pipeline mixer, a star-shaped flocculation tank, an inclined plate sedimentation tank, and a filter tank that are sequentially connected through pipelines and the clean water tank; the pipeline mixer is connected to the flocculant water tank and the coagulant water tank respectively through the flocculant dosing pump and the coagulant dosing pump, the filter tank is connected to the pipeline with Roots blower, and the clean water tank is connected to the filter The washing water pump is connected, the clean water pool is connected with the auxiliary machine circulating water treatment system and the boiler feed water treatment system in the water system through the delivery pipe, and the filter pool is connected with the raw water pool through the filter backwash discharge pipe. Through the multi-level sewage purification, the present invention can efficiently separate the solid and liquid from the gangue drainage of the mine, and can remove a large amount of coal dust particles in the water body. Waste of water resources saves energy.
Description
Technical field
The present invention relates to a kind of mine and dredge the treatment system that the cash draining is converted into water of productive use.
Background technology
About China every production 1t colliery average emission pit water 2.5t, national colliery annual emissions is about 7,000,000,000-90 billion cubic meters, and 2009, China's raw coal output reached 30.5 ten thousand tons, and the pit water quantity discharged is 91.5 billion cubic meters approximately.Process externally arbitrarily discharging if these waste water do not add, not only waste valuable water resources, and will produce serious pollution to mining area and near zone thereof.At present to dredge the utilization ratio of cash draining not high for mine, and major cause is that it is affected by coal mining, causes mine to dredge cash draining salinity high, and the high and fluctuation of suspension content is large (mainly being Coal Dust).Mine is dredged cash draining water quality complicated component, the saltiness in the water, SiO
2, hardness, the indices such as total alkalinity are all high than natural water, if with its direct discharging, very easily cause the pollution of environment.
China's water resources is seriously deficient, continuous growth along with population, economic fast development, making rapid progress of the progress of society and the level of urbanization, the problem of water resources shortage becomes increasingly conspicuous, and shortage of water resources has become restriction thermal power generation corporations stumbling-block preventing the development, and the problem that solve shortage of water resources just must be correct in present situation, reasonably use water resources, we just can be conducive to the steady progression of society like this.Effectively and reasonably utilizing mine drainage is to solve the unique channel that produces pit water in the coal production process, the problem that has namely solved the external exhaust emission environment of swallet has been alleviated again the problem of urban industry with shipwreck, the combination of the two, make mine dredge the cash draining and realize waste water discharge-reducing and water resources rational application, indirectly be converted into the economic benefit of enterprise.
To adopt the mode of natural subsidence or simple coagulating sedimentation to process to the processing mode of the thin cash draining of mine at present, the natural subsidence processing efficiency is low, the simple coagulating sedimentation of tradition is processed and is fallen flat, go out water use efficiency through the system after the simple coagulating treatment not high, the general selection discharged on the spot, caused so great water resource waste.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of mine and dredges the treatment system that the cash draining is converted into water of productive use, and it is relatively simple for structure, can remove most suspended substances and colloidal solid in the water body, good purification.
The present invention solves the problems of the technologies described above the technical scheme of taking: a kind of mine is dredged the treatment system that the cash draining is converted into water of productive use, and its gordian technique is: it comprises sludge treating system and the former pond with raw water pump, line mixer, star flocculation basin, inclined-plate clarifying basin, filtering basin and the clean water basin that are communicated with by the pipeline order;
Described line mixer is communicated with flocculation agent water tank and coagulant aids water tank by flocculation agent dosing pump, coagulant aids dosing pump respectively, described filtering basin with the pipeline connection of roots blower, described clean water basin are communicated with the filter backwash water pump, described clean water basin are connected with the Boiler water Feeding System system with subsidiary engine circular water treating system in the water system by transfer lime, and described filtering basin are communicated with former pond by the filter backwash discharge tube;
Described sludge treating system comprises the collection mud sump that is communicated with star flocculation basin and inclined-plate clarifying basin, and described collection mud sump is communicated with concentration basin by the sludge lifting pump, and described concentration basin is connected with water extracter by sludge delivery pump, and water extracter is communicated with former pond via pipeline.
The beneficial effect that adopts technique scheme to produce is:
(1) the present invention is by multi-level sewage purification, can dredge the cash draining to mine and carry out efficient solid-liquid separation processing, and formed to control the coagulating agent chemical feeding quantity as the high-efficiency solid-liquid separation system of core, through behind the cascade filtration, can get rid of Coal Dusts a large amount of in the water body, filtering basin backwash draining is got back to former pond and can be recycled, can not cause the waste of water resources, the mud cake that the desliming treatment system forms after dewatering through water extracter, can with the mixed combustion of coal as a kind of fuel, save the energy;
(2) adopt treatment system of the present invention to process dredging cash water, system run all right, effluent quality is better, can be directly used in the moisturizing of Controlling Auxiliaries in Power Plants recirculated cooling water, Boiler water Feeding System system water source, obviously improve enterprise's water resources and utilized level, effectively reduced enterprise's production cost.
(3) after employing treatment system of the present invention is processed reuse to thin cash water; effectively solved the whereabouts problem of the thin cash draining of mine; both promoted the transformation of thermal power generation corporations' water water source pattern; can realize again pit water in coal mining enterprise's production process " zero release "; to realizing water saving, energy-saving and emission-reduction, environment protection, improve water resource environment and have important strategic importance.
Description of drawings
Fig. 1 is structural representation of the present invention.
In the accompanying drawings: 1 former pond, 2 star flocculation basins, 3 inclined-plate clarifying basins, 4 collection mud sumps, 5 filtering basin, 6 clean water basin, 7 concentration basins, 8 water extracters, 9 subsidiary engine circular water treating systems, 10 Boiler water Feeding System systems, 11 flocculation agent water tanks, 12 coagulant aids water tanks, 13 raw water pumps, 14 sludge lifting pumps, 15 roots blowers, 16 filter backwash water pumps, 17 sludge delivery pumps, 18 mud cakes, 19 line mixers, 20 filter backwash discharge tubes, 21 flocculation agent dosing pumps, 22 coagulant aids dosing pumps.
Embodiment
The present invention will be described in detail below in conjunction with accompanying drawing:
Referring to accompanying drawing 1, the former pond 1 with raw water pump, line mixer 19, star flocculation basin 2, inclined-plate clarifying basin 3, filtering basin 5 and the clean water basin 6 that the present invention includes sludge treating system and be communicated with by the pipeline order;
Described line mixer 19 is communicated with flocculation agent water tank 11 and coagulant aids water tank 12 by flocculation agent dosing pump 21, coagulant aids dosing pump 22 respectively, described filtering basin 5 and pipeline connection with roots blower 15, described clean water basin 6 are communicated with filter backwash water pump 16, described clean water basin 6 are connected with the Boiler water Feeding System system with the subsidiary engine circular water treating system 9 in the water system by transfer lime and are connected, and described filtering basin 5 are communicated with former pond 1 by filter backwash discharge tube 20;
Described sludge treating system comprises the collection mud sump 4 that is communicated with star flocculation basin 2 and inclined-plate clarifying basin 3, described collection mud sump 4 is communicated with concentration basin 7 by sludge lifting pump 14, described concentration basin 7 is connected with water extracter 8 by sludge delivery pump 17, and water extracter 8 is communicated with former pond 1 via pipeline.
Disturb by the pulsation that closely spaced inclined-plate clarifying basin 3 can suppress in the floc settlement process, the capacity of resisting impact load of operation strengthens greatly, is conducive to spoil disposal.Filtering basin 5 can be removed small flocs unit residual in the water, and mine drainage is further purified.
Referring to accompanying drawing 1, the present invention utilizes raw water pump 13 that the water extraction in the former pond 1 is raised to star flocculation basin 2 during work, coagulant aids and flocculation agent are mixed fully with Yuan Shui line mixer 19 is interior during this time, form little alumen ustum, by the 2 rear formation of star flocculation basin evenly and larger alumen ustum, enter inclined-plate clarifying basin 3 and carry out mud-water separation, in inclined-plate clarifying basin 3, it is got rid of, obtain the water purification behind the coagulation; Water outlet behind the coagulation flows by gravitational force into filtering basin and filters, and utilizes filtering basin 5 to get rid of flocs unit remaining in the water, obtains the product water of low turbidity, supplies with subsidiary engine circular water treating system 9 and Boiler water Feeding System system 10.
In addition, in the filtering basin operational process, will produce certain pressure reduction, indication had been lost efficacy to be needed it is carried out backwash, starts filter backwash water pump 16 and 15 pairs of filtering basin of roots blower 5 and carries out simultaneously backwash of air water, and backwash water is discharged to 1 recycle of former pond.
In the process of native system operation, to produce a certain amount of mud such as star flocculation basin 2 and inclined-plate clarifying basin 3, it is discharged in the collection mud sump 4, after utilizing sludge lifting pump 14 to be transported to concentration basin 7 to concentrate, sending into water extracter 8 by sludge delivery pump 17 dewaters, the sewage that produces is got back to former pond 1, and the mud cake 18 of formation can be transported outward, also can be with the fuel of coal as boiler.
The present invention effectively utilizes the special construction characteristics of line mixer 19 itself, former water and mixing of medicament can be finished in moment, chemical feeding quantity by operation control coagulating agent can be saved about 30% than traditional coagulation apparatus, after process star flocculation basin 2 and narrow space inclined plate settling basin 3 precipitate, can remove most suspended substances in the water body, filter by hypermedia filtering basin 5, remove residual small flocs unit in the water.By native system mine drainage is processed reuse, can realize the mine drainage rationalization utilization, energy-saving and emission-reduction are turned waste into wealth.
Through the product water after the native system processing, can be used as the auxiliary machine circulating cooling water of electricity power enterprise and the water source of Boiler water Feeding System system, for the transformation that promotes thermal power generation corporations' water water source pattern, not at single use surface water or underground water, the mine that produces in coal enterprise's production process is dredged the cash draining through after the processing of native system, become a reality as the production water source of near coal-mine electricity power enterprise.
Claims (1)
1. a mine is dredged the treatment system that the cash draining is converted into water of productive use, it is characterized in that: former pond (1), line mixer (19), star flocculation basin (2), inclined-plate clarifying basin (3), filtering basin (5) and clean water basin (6) that it comprises sludge treating system and passes through the band raw water pump (13) of pipeline order connection;
Described line mixer (19) is respectively by flocculation agent dosing pump (21), coagulant aids dosing pump (22) is communicated with flocculation agent water tank (11) and coagulant aids water tank (12), described filtering basin (5) and the pipeline connection of being with roots blower (15), described clean water basin (6) are communicated with filter backwash water pump (16), described clean water basin (6) are connected 10 with the subsidiary engine circular water treating system (9) in the water system with the Boiler water Feeding System system by transfer lime) be connected, described filtering basin (5) are communicated with former pond (1) by filter backwash discharge tube (20);
Described sludge treating system comprises the collection mud sump (4) that is communicated with star flocculation basin (2) and inclined-plate clarifying basin (3), described collection mud sump (4) is communicated with concentration basin (7) by sludge lifting pump (14), described concentration basin (7) is connected with water extracter (8) by sludge delivery pump (17), and water extracter (8) is communicated with former pond (1) via pipeline.
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| CN201310206189.5A CN103304053B (en) | 2013-05-29 | 2013-05-29 | Treatment system for converting mine waste-rock dredging drainage water into production water |
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| CN201310206189.5A CN103304053B (en) | 2013-05-29 | 2013-05-29 | Treatment system for converting mine waste-rock dredging drainage water into production water |
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| CN103304053B CN103304053B (en) | 2015-05-20 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106865822A (en) * | 2017-03-21 | 2017-06-20 | 西南交通大学 | Integrated purification of mine drainage system |
| CN108558074A (en) * | 2018-06-08 | 2018-09-21 | 南京必蓝环境技术有限公司 | A kind of high salinity working face sewage-treatment plant and method |
| CN113830952A (en) * | 2021-10-12 | 2021-12-24 | 远安县燎原矿业有限责任公司 | Phosphorite mine water treatment system and treatment method |
| CN116375238A (en) * | 2022-12-15 | 2023-07-04 | 河北工程大学 | High-suspended-matter high-rock-powder mine water treatment system and method |
| CN118925395A (en) * | 2024-08-27 | 2024-11-12 | 哈尔滨师范大学 | Tail gas purification device and purification method for solid waste pyrolysis furnace |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102515383A (en) * | 2011-11-24 | 2012-06-27 | 西安热工研究院有限公司 | Water-saving clarification and purification system and process thereof |
| CN102616958A (en) * | 2012-03-29 | 2012-08-01 | 安徽省天虹绿洲环保科技有限公司 | Treatment technology of low concentration electroplating wastewater |
| CN202415298U (en) * | 2012-01-16 | 2012-09-05 | 中冶东方工程技术有限公司 | System capable of purifying muddy water circularly |
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2013
- 2013-05-29 CN CN201310206189.5A patent/CN103304053B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102515383A (en) * | 2011-11-24 | 2012-06-27 | 西安热工研究院有限公司 | Water-saving clarification and purification system and process thereof |
| CN202415298U (en) * | 2012-01-16 | 2012-09-05 | 中冶东方工程技术有限公司 | System capable of purifying muddy water circularly |
| CN102616958A (en) * | 2012-03-29 | 2012-08-01 | 安徽省天虹绿洲环保科技有限公司 | Treatment technology of low concentration electroplating wastewater |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106865822A (en) * | 2017-03-21 | 2017-06-20 | 西南交通大学 | Integrated purification of mine drainage system |
| CN108558074A (en) * | 2018-06-08 | 2018-09-21 | 南京必蓝环境技术有限公司 | A kind of high salinity working face sewage-treatment plant and method |
| CN113830952A (en) * | 2021-10-12 | 2021-12-24 | 远安县燎原矿业有限责任公司 | Phosphorite mine water treatment system and treatment method |
| CN116375238A (en) * | 2022-12-15 | 2023-07-04 | 河北工程大学 | High-suspended-matter high-rock-powder mine water treatment system and method |
| CN118925395A (en) * | 2024-08-27 | 2024-11-12 | 哈尔滨师范大学 | Tail gas purification device and purification method for solid waste pyrolysis furnace |
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| CN103304053B (en) | 2015-05-20 |
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Free format text: FORMER OWNER: HEBEI ELECTRIC POWER CORPORATION ELECTRIC POWER RESEARCH INSTITUTE HEBEI ELECTRIC POWER CONSTRUCTION + ADJUSTMENT RESEARCH INSTITUTE Effective date: 20150409 Owner name: HEBEI ELECTRIC POWER CONSTRUCTION + ADJUSTMENT RES Free format text: FORMER OWNER: STATE GRID CORPORATION OF CHINA Effective date: 20150409 |
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Effective date of registration: 20150409 Address after: 050091 Hebei high tech District of Shijiazhuang City Xinshi North Road, No. 368 Applicant after: Hebei Electric Power Construction & Adjustment Research Institute Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Applicant before: State Grid Corporation of China Applicant before: Electric Power Research Institute of Hebei Electric Power Corporation Applicant before: Hebei Electric Power Construction & Adjustment Research Institute |
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Address after: 050091 Hebei high tech District of Shijiazhuang City Xinshi North Road, No. 368 Patentee after: National network Hebei Energy Technology Service Co., Ltd. Address before: 050091 Hebei high tech District of Shijiazhuang City Xinshi North Road, No. 368 Patentee before: Hebei Electric Power Construction & Adjustment Research Institute |
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