CN103570179A - Underground mine water treatment system and method - Google Patents
Underground mine water treatment system and method Download PDFInfo
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- CN103570179A CN103570179A CN201310558994.4A CN201310558994A CN103570179A CN 103570179 A CN103570179 A CN 103570179A CN 201310558994 A CN201310558994 A CN 201310558994A CN 103570179 A CN103570179 A CN 103570179A
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Abstract
The invention relates to the field of drainage and purification treatment in coal mines, and in particular relates to an underground mine water treatment system. The underground mine water treatment system comprises a preliminary sedimentation tank, a mixed reaction tank, a super magnetic separator and a filter which are connected in sequence, wherein the super magnetic separator is connected with an underground sump; the underground sump is connected with the filter through a drainage pump; the filter is connected with a clean water tank; the preliminary sedimentation tank, the mixed reaction tank, the super magnetic separator, the underground sump and the drainage pump are arranged in an underground water treatment chamber; the filter and the clean water tank are arranged on the ground. According to the mine water treatment system, based on the characteristics of short solid-liquid separation time, high efficiency, small equipment and the like of the super magnetic separation equipment, the mine water treatment system is constructed in an underground roadway; compared with the conventional mine water treatment station, the underground mine water treatment system has the advantages that the system is not influenced by seasonal temperature changes, the quality of the treated water is stable, pump lifting is not required, a little amount of chemicals is consumed, the operation cost is saved, and the system is constructed underground to save the floor area.
Description
Technical field
The present invention relates to coal mine underground water drainage purification treatment technology field, particularly a kind of Underground well water treatment system and treatment process.
Background technology
China's purification of mine drainage treatment technology originates in the seventies in last century not, the history of existing three more than ten years.According to pit water suspended solid (coal slime), feature that total dissolved solid content is large, conventionally adopt physical method to process; The purification treatment technology having come into operation mainly contains precipitation, coagulating sedimentation, coagulating sedimentation filtration, flocculation reaction deposition etc., these technology mainly utilize sedimentation theory to carry out separation to the suspended substance of water body, its main drawback is that floor space is large, hydraulic detention time is long, bed mud (coal slime) water ratio is high, and the requirement that place, pond are held is very large; In recent years, continuous progress along with water technology, occurred the water treatment purification process such as flocculation inclined plate precipitation and efficient labyrinth slant plate precipitation, but still be a kind of form of gravity settling, fundamentally province is taken up an area in solution, hydraulic detention time is long and the high-moisture percentage problem of bed mud.
At present, for reduce project construction land used and investment, reduction shaft sump bring down stocks expense and downhole drainage pump wearing and tearing, reduce the cold-proof expense in cold district, avoid pit water to process causing ground secondary pollution etc., had now increasing colliery that pit water treatment station is arranged on to down-hole.Yet the techniques such as conventional coagulating sedimentation, flocculation reaction deposition overcome yet, take up an area large problem, cause that water treatment chamber is long, that expense is built in ore deposit is high; The appearance of super magnetically separating and purifying water technology, efficiently solves the problems referred to above, and it is obtaining application more and more widely aspect Underground well water treatment.
Summary of the invention
The present invention is in order to make up the deficiencies in the prior art, provide a kind of occupation of land less, process that the water yield is large, the treatment time is short, working cost is low, Underground well water treatment system and the treatment process of reduced investment.
The present invention is achieved through the following technical solutions:
Underground well water treatment system of the present invention, it is characterized in that: comprise and connect successively preliminary sedimentation tank, mixing pit reaction tank, super magnetic separator and the strainer arranging, super magnetic separator connecting downhole sump, shaft sump connects strainer through wet-pit, strainer connects clean water basin, wherein, preliminary sedimentation tank, mixing pit reaction tank, super magnetic separator, shaft sump and wet-pit are arranged on mine water and process chamber, and strainer and clean water basin are arranged on ground.
The water treatment method that Underground well water treatment system of the present invention is carried out, it is characterized in that: drainage underground is collected by drift dewatering ditch and removed and remove after bulk foreign material through mechanical grille, from flowing into preliminary sedimentation tank, precipitate, the water outlet of preliminary sedimentation tank enters mixed reaction pond, magnetic through adding in mixed reaction pond fully mixes generation flocs unit with water, after reaction, gravity flow enters and in super magnetic separator, carries out solid-liquid separation, super magnetic separator adopts high-strength magnetic field to make flocs unit produce orientation movement, being attracted to magnetic disk surface scrapes, thereby water body is purified, water after purification enters shaft sump, wet-pit through down-hole is promoted to ground strainer and filters, it is stand-by that filtrate enters clean water basin.
The water treatment method that Underground well water treatment system of the present invention is carried out, in super magnetic separator, scrape out the mud containing magnetic kind, enter into dispersion and magnetic kind dilution recovery that the separated drum unit of magnetic carries out magnetic kind and mud, make the recycle in super magnetic separation system of magnetic kind, non magnetic mud after separation is discharged from the separated drum unit of magnetic, enter into sludge sump, regularly by sludge pumping, enter plate-and-frame filter press and carry out sludge dewatering, after dehydration, filtrate is from flowing into preliminary sedimentation tank, and the mud cake after press filtration is transported by mine car.
The invention has the beneficial effects as follows: magnetic disengaging time is short, efficiency is high, equipment is little, and whole sepn process was less than one minute; Coagulation system dosage is few, does not need a large amount of medicaments just to form large floc sedimentation, and working cost is low; Equipment takes up an area few, processes the water yield large, device processes ability depend on number of disks number, the water yield increases, corresponding number of disks increases; Energy saving of system, has saved the power consumption of common one-level lift pump, and the power consumption cost of whole system facility ton water is low; By mine water treatment system construction, in underworkings, it is compared with ground tradition pit water treatment station, is not subject to seasonal temperature variable effect, and water quality treatment is stable, adaptable, processes the water yield large.In cold district, do not need to consider separately especially freeze prevention measure, cost saving.Build down-hole in, save ground and take up an area.
Accompanying drawing explanation
Accompanying drawing 1 is schematic flow sheet of the present invention.
In figure, 1 preliminary sedimentation tank, 2 mixed reaction ponds, 3 surpass magnetic separator, 4 strainers, 5 shaft sumps, 6 wet-pits, 7 clean water basin, 8 mine waters are processed chamber, between 9 ground filter plants.
Embodiment
Accompanying drawing is a kind of specific embodiment of the present invention.
Underground well water treatment system of the present invention, comprise and connect successively preliminary sedimentation tank 1, mixing pit reaction tank 2, super magnetic separator 3 and the strainer 4 arranging, super magnetic separator connecting downhole sump 5, shaft sump connects strainer through wet-pit 6, strainer connects clean water basin 7, wherein, preliminary sedimentation tank, mixing pit reaction tank, super magnetic separator, shaft sump and wet-pit are arranged on mine water and process chamber 8, and strainer and clean water basin are arranged on ground.Strainer is arranged between the filter plant of ground in 9.
The water treatment method that Underground well water treatment system of the present invention is carried out, drainage underground is collected by drift dewatering ditch and is removed and remove after bulk foreign material through mechanical grille, from flowing into preliminary sedimentation tank 1, precipitate, the water outlet of preliminary sedimentation tank 1 enters mixed reaction pond 2, magnetic through adding in mixed reaction pond fully mixes generation flocs unit with water, after reaction, gravity flow enters in super magnetic separator 3 and carries out solid-liquid separation, super magnetic separator 3 adopts high-strength magnetic field to make flocs unit produce orientation movement, being attracted to magnetic disk surface scrapes, thereby water body is purified, water after purification enters shaft sump, wet-pit through down-hole is promoted to ground strainer 4 and filters, it is stand-by that filtrate enters clean water basin.
The water treatment method that Underground well water treatment system of the present invention is carried out, in super magnetic separator 3, scrape out the mud containing magnetic kind, enter into dispersion and magnetic kind dilution recovery that the separated drum unit of magnetic carries out magnetic kind and mud, make the recycle in super magnetic separation system of magnetic kind, non magnetic mud after separation is discharged from the separated drum unit of magnetic, enter into sludge sump, regularly by sludge pumping, enter plate-and-frame filter press and carry out sludge dewatering, after dehydration, filtrate is from flowing into preliminary sedimentation tank 1, and the mud cake after press filtration is transported by mine car.
Underground well water treatment system of the present invention, the super magnetic separator of nucleus equipment is comprised of one group strong magnetic force rare-earth magnetic disc fishing separator tool, principle of work is: when fluid is flowed through runner between rare-earth magnetic disc group, in fluid, contained magnetic suspension floc sedimentation is subject to the effect of high-intensity magnetic field power, be adsorbed in disk card, along with the rotation of disk, from water body, separate gradually; Treat that suspended substance sloughs most moisture content, the waste residue gravity flow of generation enters the separated drum unit of magnetic; Waste water after processing flows out from water outlet, completes scavenging process.Scraped the disk removing slag and proceeded to again water body, formed the whole process of the super magnetically separating and purifying water body going round and beginning again.
Super magnetic separator drum unit separated with magnetic is currently available products, and for example Sichuan Huan Neng dolantin company just sells this kind of equipment.
Magnetic disengaging time of the present invention is short, and magnetic separation technique is because adopting rare-earth Nd-Fe-B, and it is the more than 640 times of gravity that magnetic disk surface produces magnetic force, can capture rapidly micromagnetism floc sedimentation, and whole sepn process was less than one minute.Coagulation system dosage is few, and magnetic separating technology is not high by field intensity and the gradient in gravity settling and magnetic disk surface magnetic field, does not need a large amount of medicaments just to form large floc sedimentation, and working cost is low; Equipment takes up an area few, processes the water yield large, device processes ability depend on number of disks number, the water yield increases, corresponding number of disks increases; Energy saving of system, has saved the power consumption of common one-level lift pump, and the power consumption cost of whole system facility ton water is low; Water quality treatment is stable, not affected by seasonal variation, adaptable, processes the water yield large.
Claims (3)
1. a Underground well water treatment system, it is characterized in that: comprise and connect successively preliminary sedimentation tank, mixing pit reaction tank, super magnetic separator and the strainer arranging, super magnetic separator connecting downhole sump, shaft sump connects strainer through wet-pit, strainer connects clean water basin, wherein, preliminary sedimentation tank, mixing pit reaction tank, super magnetic separator, shaft sump and wet-pit are arranged on mine water and process chamber, and strainer and clean water basin are arranged on ground.
2. the water treatment method that Underground well water treatment system claimed in claim 1 is carried out, it is characterized in that: drainage underground is collected by drift dewatering ditch and removed and remove after bulk foreign material through mechanical grille, from flowing into preliminary sedimentation tank, precipitate, the water outlet of preliminary sedimentation tank enters mixed reaction pond, magnetic through adding in mixed reaction pond fully mixes generation flocs unit with water, after reaction, gravity flow enters and in super magnetic separator, carries out solid-liquid separation, making flocs unit be attracted to magnetic disk surface scrapes, thereby water body is purified, water after purification enters shaft sump, wet-pit through down-hole is promoted to ground strainer and filters, it is stand-by that filtrate enters clean water basin.
3. water treatment method according to claim 2, it is characterized in that: in super magnetic separator, scrape out the mud containing magnetic kind, enter into dispersion and magnetic kind dilution recovery that the separated drum unit of magnetic carries out magnetic kind and mud, make the recycle in super magnetic separation system of magnetic kind, non magnetic mud after separation is discharged from the separated drum unit of magnetic, enter into sludge sump, regularly by sludge pumping, enter plate-and-frame filter press and carry out sludge dewatering, after dehydration, filtrate is from flowing into preliminary sedimentation tank, and the mud cake after press filtration is transported by mine car.
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| CN201310558994.4A CN103570179A (en) | 2013-11-12 | 2013-11-12 | Underground mine water treatment system and method |
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| CN201310558994.4A CN103570179A (en) | 2013-11-12 | 2013-11-12 | Underground mine water treatment system and method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104370407A (en) * | 2014-11-12 | 2015-02-25 | 张超 | Underground mine water underground purification and recycling system |
| CN106082561A (en) * | 2016-08-16 | 2016-11-09 | 山东水发环境科技有限公司 | Efficiently magnetic-coagulation water purifying device and method for treating water |
| CN106219701A (en) * | 2016-08-25 | 2016-12-14 | 中煤（北京）环保工程有限公司 | A kind of dense medium speed is heavy and sludge filtration water treatment system and processing method |
| WO2018032805A1 (en) * | 2016-08-16 | 2018-02-22 | 中电建水环境治理技术有限公司 | Multi-stage purification treatment system for residual water from treatment of contaminated bottom sludge from river or lake |
| CN108383316A (en) * | 2018-02-28 | 2018-08-10 | 山东东山王楼煤矿有限公司 | A kind of underground coal mine mine water treatment process |
| CN109209494A (en) * | 2018-09-21 | 2019-01-15 | 北京市环境保护科学研究院 | A kind of waste water for mine laneway is removed contamination separate system |
| CN109761382A (en) * | 2019-01-22 | 2019-05-17 | 中煤（北京）环保工程有限公司 | A kind of Underground well water process and storage system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104370407A (en) * | 2014-11-12 | 2015-02-25 | 张超 | Underground mine water underground purification and recycling system |
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| CN106082561A (en) * | 2016-08-16 | 2016-11-09 | 山东水发环境科技有限公司 | Efficiently magnetic-coagulation water purifying device and method for treating water |
| WO2018032805A1 (en) * | 2016-08-16 | 2018-02-22 | 中电建水环境治理技术有限公司 | Multi-stage purification treatment system for residual water from treatment of contaminated bottom sludge from river or lake |
| CN106219701A (en) * | 2016-08-25 | 2016-12-14 | 中煤（北京）环保工程有限公司 | A kind of dense medium speed is heavy and sludge filtration water treatment system and processing method |
| CN108383316A (en) * | 2018-02-28 | 2018-08-10 | 山东东山王楼煤矿有限公司 | A kind of underground coal mine mine water treatment process |
| CN109209494A (en) * | 2018-09-21 | 2019-01-15 | 北京市环境保护科学研究院 | A kind of waste water for mine laneway is removed contamination separate system |
| CN109761382A (en) * | 2019-01-22 | 2019-05-17 | 中煤（北京）环保工程有限公司 | A kind of Underground well water process and storage system |
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Application publication date: 20140212 |