CN102515325A - Treatment process for mine water of coal deep well - Google Patents
Treatment process for mine water of coal deep well Download PDFInfo
- Publication number
- CN102515325A CN102515325A CN2011104224597A CN201110422459A CN102515325A CN 102515325 A CN102515325 A CN 102515325A CN 2011104224597 A CN2011104224597 A CN 2011104224597A CN 201110422459 A CN201110422459 A CN 201110422459A CN 102515325 A CN102515325 A CN 102515325A
- Authority
- CN
- China
- Prior art keywords
- magnetic
- deep well
- mine water
- treatment process
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention belongs to the field of sewage treatment, and particularly relates to a treatment process for the mine water of a coal deep well. The process comprises the following working procedures of: removing impurities; magnetizing to coagulate; flocculating; magnetically separating; deflocculating magnetic floccules; and recovering magnetic seeds, wherein the deflocculating magnetic floccules means adding water in the magnetic floccules separated out in the working procedure of magnetically separating to stir with a high speed, and dispersing out sludge and magnetic seeds in the magnetic floccules; and the recovering magnetic seeds means recovering magnetic seeds from the sludge after the magnetic floccules are deflocculated. The treatment process disclosed by the invention is reliable in operation and high in the recovery rate of magnetic powder in treatment for the mine water of coal deep well, and solves the technical problems unsolved in the technical field of water treatment for the mine water of coal deep well.
Description
Technical field
The present invention relates to sewage treatment area, particularly a kind of treatment process of coal deep well and mine water.
Background technology
Water resources is the basis that the mankind depend on for existence and development, and shortage of water resources has had a strong impact on the development of people's people's livelihood words and economic society.The colliery is one of main energy of China, but process of coal mining with utilize in the process, brought a series of environment and ecological problem to China, be one of China water resource pollution source.According to statistics, China's coal mine in 2005 mine water yield of gushing out is 4,200,000,000 m
3About.Because China's coal-mine mainly concentrates on the area that Shanxi Province, Inner Mongol account for lacks of water such as autonomous region, Shaanxi Province, the processing of pit water is had great importance with recycling for improving local ecotope and the people's standard of living.The utilization ratio of the present pit water of China is merely about 30%, compares very big gap in addition with 70% of developed country.
China carries out Treatment Technology to coal mine water and mainly contains: flocculation treatment remove suspended particulate, in and sour water, r-o-remove technology and their combinations such as soluble substance.Like Chinese patent " a kind of mine water treatment technique " (CN 101786760 A) is exactly to adopt simple flocculation to send out the technology of removing the pit water suspended substance; This technology has certain effect for the suspended substance in the pit water; But occupation of land face is bigger; And the equipment of technology and operating process are comparatively complicated, handle obviously unreasonable for the down-hole pit water.And for example Chinese patent " a kind of process for treating mine water in high efficiency " (CN 101544431A) and " a kind of mine water for underground coal mine advanced treatment apparatus and method " (CN 101712516 A); These two kinds of process using osmosis are handled pit water; Though it is fine to handle the pit water effect; But owing to adopt membrane ultrafiltration, service life of equipment is very low, and treatment capacity is very little.Chinese patent " utilizes the method for mine underground passage spatial manipulation pit water " (CN 100439266C) for another example, and this technology needs pit water is promoted to ground by the down-hole through lift pump, and is unreasonable economically.
Because factors such as the complicacy of coal deep well and mine water constituent and region characteristic; Existing treatment technology is improved not enough and is ripe; Development research technology is simple, technology is reliable, the novel process and the new installation of convenient management, economical rationality, is still the important topic of coal mine water treatment and utilization.
Summary of the invention
The present invention aims to provide a kind of treatment process of coal deep well and mine water; This technology is simple, technology is reliable, convenient management, economical rationality; Can also reclaim coal slime, realize zero release of pollutant, can guarantee the ordinary production and the operation of coal mining enterprise; Improve the comprehensive benefit of enterprise, promote the Sustainable development in mining area.
The present invention realizes through following technical scheme.
A kind of treatment process of coal deep well and mine water; Comprise removal of impurities, add magnetic-coagulation, flocculation, magnetic separates and the magnetic floc sedimentation is separated wadding, magnetic kind recovery process; Said magnetic floc sedimentation is separated wadding and is meant that the isolated magnetic floc sedimentation of process magnetic separation circuit is added water carries out high-speed stirring, divides mud and magnetic kind in the magnetic floc sedimentation that sheds; It is from the mud of magnetic floc sedimentation after separating wadding, to reclaim the magnetic kind that the magnetic kind reclaims.
Said magnetic kind is the Armco magnetic iron mineral, and its particle diameter is at 0.01mm～0.15mm.
It is 1500-3000r/min that the magnetic floc sedimentation is separated wadding high speed mixing speed.
The equipment that magnetic kind recovery process adopts is cylinder magnetic separator; The magneticstrength of described cylinder magnetic separator is 2500-4000Gs.
The equipment that the removal of impurities operation is adopted is trommel screen; The trommel screen screen cloth is 1mm～5 mm.
Magnetic separator in the said magnetic separating step is a disk.
Beneficial effect of the present invention is following:
1, treatment process of the present invention is reliable in handling coal deep well and mine water, and the magnetic recovery is high, has solved unsolved technical barrier in the coal deep well and mine water water-treatment technology field.
2, treatment process of the present invention adapts to heavy duty service, and whole process nature drop is less than 1 meter simultaneously, and processing safety is high, and whole process employing gravity flow, need not any lifting power.
3, the final suspended substance of getting rid of of treatment process of the present invention is a coal slime, and this part coal slime is recyclable, has realized zero release of pollutant.
4, before the present invention separates coal deep well and mine hydromagnetic property flco; Adopted the high-speed stirring mode that the magnetic flco is implemented to force to disperse; Making the non-magnetic impurity that is wrapped in outside the magnetic kind break away from the magnetic kind is scattered in the water; Thereby can guarantee the magnetic purity that later separation reclaims, guarantee that its recovery reaches more than 99%.
5, because sewage is different, also different to the size requirement of magnetic kind, thus the state of the magnetic flco that obtains is different.Mainly containing with the ickings in the coal deep well and mine water is main suspended substance, has look and deceives, adds that the alumen ustum that forms behind the magnetic-coagulation is loosely organized, settling velocity waits characteristics slowly.When the size of magnetic kind at 0.01mm～0.15mm, can form more stable magnetic flco with the pit water suspended substance.
6, the dispersion effect of different high-speed stirring is different, and to the special magnetic flco of coal deep well and mine water, when the high-speed stirring rotating speed was 1500-3000r/min, the separating effect of magnetic and non-magnetic substance was best.
7, the mining machinery of colliery downhole production use need use oil in water emulsion and machine oil, and oily substance gets in the pit water, adopts conventional coagulation, sloping plate deposition and filtering technique can not effectively remove the oily substance in the pit water.Adopt technology of the present invention, can effectively remove the oily substance in the pit water.
8, at present general coal deep well and mine water water technology floor space is big and civilwork engineering quantity is big; To little colliery is not very practical; Adopt art breading pit water of the present invention, characteristics such as have that floor space is little, long service life, technology are simple, convenient operation and management, running cost are low.
Description of drawings
Fig. 1 is a purification process technique schema of the present invention.
As shown in Figure 1; Workflow of the present invention is: a kind of treatment process of coal deep well and mine water, and the pit water after removing foreign material such as hair, plastics, cloth is promoted in the coagulation system; In coagulation system, add magnetic kind and coagulating agent, form even, tiny magnetic alumen ustum.Flow automatically to subsequently in the flocculation whisking appliance, under the stirring at low speed state, add flocculation agent, the magnetic alumen ustum is formed with the magnetic floc sedimentation of magnetic kind as " nuclear ".The pit water that has the magnetic floc sedimentation magnetic separation system of flowing through, the high-intensity magnetic of utilizing the permanent magnet in the magnetic separation system to produce realizes the sharp separation of magnetic floc sedimentation and pit water.
The magnetic floc sedimentation is carried out high-speed stirring, and its rotating speed is 1500-3000r/min, divides mud and magnetic kind in the magnetic floc sedimentation that sheds; From the mud of magnetic floc sedimentation after separating wadding, reclaim the magnetic kind then, the magnetic kind after the recovery is mixed with certain density solution once more and is recycled, and the pit water after the purifying treatment can directly efflux or reuse, and mud concentrates, and can be used as briquette and uses.
Embodiment
Below in conjunction with embodiment content of the present invention is described further; Although through reference some preferred embodiment of the present invention; Invention has been described; But those of ordinary skill in the art can make various changes to it in form with on the details, and the spirit and scope of the present invention that do not depart from appended claims and limited.
Embodiment 1
Certain coal deep well and mine water purifying treatment engineering site, treatment scale 6000m3/d.Utilize the described technical scheme of claim 7 of the present invention to handle, the trommel screen screen cloth is 1mm; The high-speed stirring rotating speed is 3000r/min; The magnetic kind is the Armco magnetic iron mineral, and its particle diameter is at 0.13mm; The equipment that magnetic kind recovery process adopts is cylinder magnetic separator, and its magneticstrength is 2500Gs; The magnetic separator that the magnetic separation circuit adopts is a disk structure.
Concrete experiment situation is following:
The water inlet SS at 505.4mg/L be, water outlet SS is 8.6mg/L, clearance is 98.3%.Influent turbidity is under the situation of 610NUT, and delivery turbidity is 8NTU, and clearance is 98.6%.Water inlet TP is under the situation of 0.625mg/L, and water outlet TP is 0.087mg/L, and clearance is 86.1%.Water inlet COD is 127mg/L, and water outlet COD is 47mg/L, and clearance is 63%.Sludge yield is 0.1%, and the magnetic kind recovery is 97.9%.
Embodiment 2
Certain coal mine deep well pit water purifying treatment engineering site, treatment scale 10000m3/d.Utilize claim 8 technical scheme of the present invention to handle, the trommel screen screen cloth is 5mm; The high-speed stirring rotating speed is 1500r/min; The magnetic kind is the Armco magnetic iron mineral, and its particle diameter is at 0.03mm; The equipment that magnetic kind recovery process adopts is cylinder magnetic separator, and its magneticstrength is 4000Gs; The magnetic separator that the magnetic separation circuit adopts is a disk structure.
Concrete experiment situation is following:
The water inlet SS at 494mg/L be, water outlet SS is 6.0mg/L, clearance is 98.7%.Influent turbidity is under the situation of 532NUT, and delivery turbidity is 6.6NTU, and clearance is 98.8%.Water inlet TP is under the situation of 0.17mg/L, and water outlet TP is 0.013mg/L, and clearance is 92.4%.Water inlet COD is 54mg/L, and water outlet COD is 28mg/L, and clearance is 48%.Sludge yield is 0.18%, and the magnetic kind recovery is 97.3%.
Embodiment 3
Certain coal mine deep well pit water purifying treatment testing ground, treatment scale 1400m3/d.Utilize claim 8 technical scheme of the present invention to handle, the trommel screen screen cloth is 3mm; The high-speed stirring rotating speed is 2000r/min; The magnetic kind is the Armco magnetic iron mineral, and its particle diameter is at 0.15mm; The equipment that magnetic kind recovery process adopts is cylinder magnetic separator, and its magneticstrength is 3000Gs; The magnetic separator that the magnetic separation circuit adopts is a disk structure.
Concrete experiment situation is following:
SS is under the situation of 604.7mg/L in water inlet, and water outlet SS is 14.2mg/L, and clearance is 97.6%.Water inlet TP is under the situation of 0.705mg/L, and water outlet TP is 0.108mg/L, and clearance is 97.1%.Water inlet COD is 56.7, and water outlet COD is 23.2, and clearance is 58.2%.Sludge yield is 0.2%, and the magnetic kind recovery is 98.5%.
Claims (8)
1. the treatment process of a coal deep well and mine water; Comprise removal of impurities, add magnetic-coagulation, flocculation, magnetic separates and the magnetic floc sedimentation is separated wadding, magnetic kind recovery process, it is characterized in that: the magnetic floc sedimentation is separated to wad a quilt with cotton and is meant that the isolated magnetic floc sedimentation of process magnetic separation circuit is added water carries out high-speed stirring; It is from the mud of magnetic floc sedimentation after separating wadding, to reclaim the magnetic kind that the magnetic kind reclaims.
2. the treatment process of the described a kind of coal deep well and mine water of claim 1, it is characterized in that: said magnetic kind is the Armco magnetic iron mineral, and its particle diameter is at 0.01mm～0.15mm.
3. the treatment process of the described a kind of coal deep well and mine water of claim 2 is characterized in that: it is 3000-5000r/min that the magnetic floc sedimentation is separated wadding high speed mixing speed.
4. the treatment process of the described a kind of coal deep well and mine water of claim 3 is characterized in that: the equipment that magnetic kind recovery process adopts is cylinder magnetic separator.
5. the treatment process of the described a kind of coal deep well and mine water of claim 4, it is characterized in that: the magneticstrength of described cylinder magnetic separator is 1500-3000Gs.
6. the treatment process of the described a kind of coal deep well and mine water of claim 5, it is characterized in that: the equipment that the removal of impurities operation is adopted is trommel screen.
7. the treatment process of the described a kind of coal deep well and mine water of claim 6, it is characterized in that: the trommel screen screen cloth is 1mm～5 mm.
8. the treatment process of the said a kind of coal deep well and mine water of claim 7, it is characterized in that: the magnetic separator in the said magnetic separating step is a disk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104224597A CN102515325A (en) | 2011-12-16 | 2011-12-16 | Treatment process for mine water of coal deep well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104224597A CN102515325A (en) | 2011-12-16 | 2011-12-16 | Treatment process for mine water of coal deep well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102515325A true CN102515325A (en) | 2012-06-27 |
Family
ID=46286476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104224597A Pending CN102515325A (en) | 2011-12-16 | 2011-12-16 | Treatment process for mine water of coal deep well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102515325A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103232132A (en) * | 2013-03-25 | 2013-08-07 | 四川环能德美科技股份有限公司 | Magnetic separation method and apparatus for mine water underground treatment |
| CN104163536A (en) * | 2013-05-17 | 2014-11-26 | 北京中力信达环保工程有限公司 | Magnetic coagulation mine water underground purification technology |
| CN104211154A (en) * | 2014-09-25 | 2014-12-17 | 王伟 | Magnetic flocculating agent and application method thereof |
| CN105439363A (en) * | 2014-09-18 | 2016-03-30 | 北京中力信达环保工程有限公司 | Magnetic coagulation and separation purification technology for mine water |
| CN105540987A (en) * | 2015-12-31 | 2016-05-04 | 青岛太平洋化工装备有限公司 | Water deep purification method |
| CN105668909A (en) * | 2016-03-30 | 2016-06-15 | 浙江师范大学 | Wastewater treatment method and system suitable for community hospitals |
| CN109384290A (en) * | 2018-11-08 | 2019-02-26 | 山东东山王楼煤矿有限公司 | Water treatment monitoring system under a kind of mine based on multi task process |
| CN110386713A (en) * | 2019-07-24 | 2019-10-29 | 青岛思普润水处理股份有限公司 | A kind of super effect separation system and method based on magnetic-coagulation precipitating and activated carbon adsorption |
| CN111420796A (en) * | 2020-03-10 | 2020-07-17 | 崔书君 | Solid-liquid separation method for coal dressing and mineral separation |
| CN113233688A (en) * | 2021-04-29 | 2021-08-10 | 中国矿业大学(北京) | Method for treating mine water |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1911823A (en) * | 2005-08-12 | 2007-02-14 | 四川德美环境技术有限责任公司 | Magnetic flocculation separation waste water treatment technology |
| CN101337724A (en) * | 2008-08-22 | 2009-01-07 | 四川德美环境技术有限责任公司 | Magnetic powder recovering and supplying method in water processing process |
-
2011
- 2011-12-16 CN CN2011104224597A patent/CN102515325A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1911823A (en) * | 2005-08-12 | 2007-02-14 | 四川德美环境技术有限责任公司 | Magnetic flocculation separation waste water treatment technology |
| CN101337724A (en) * | 2008-08-22 | 2009-01-07 | 四川德美环境技术有限责任公司 | Magnetic powder recovering and supplying method in water processing process |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103232132A (en) * | 2013-03-25 | 2013-08-07 | 四川环能德美科技股份有限公司 | Magnetic separation method and apparatus for mine water underground treatment |
| CN103232132B (en) * | 2013-03-25 | 2014-11-05 | 四川环能德美科技股份有限公司 | Magnetic separation method and apparatus for mine water underground treatment |
| CN104163536A (en) * | 2013-05-17 | 2014-11-26 | 北京中力信达环保工程有限公司 | Magnetic coagulation mine water underground purification technology |
| CN105439363A (en) * | 2014-09-18 | 2016-03-30 | 北京中力信达环保工程有限公司 | Magnetic coagulation and separation purification technology for mine water |
| CN104211154A (en) * | 2014-09-25 | 2014-12-17 | 王伟 | Magnetic flocculating agent and application method thereof |
| CN105540987A (en) * | 2015-12-31 | 2016-05-04 | 青岛太平洋化工装备有限公司 | Water deep purification method |
| CN105668909A (en) * | 2016-03-30 | 2016-06-15 | 浙江师范大学 | Wastewater treatment method and system suitable for community hospitals |
| CN109384290A (en) * | 2018-11-08 | 2019-02-26 | 山东东山王楼煤矿有限公司 | Water treatment monitoring system under a kind of mine based on multi task process |
| CN109384290B (en) * | 2018-11-08 | 2019-08-20 | 山东东山王楼煤矿有限公司 | Water treatment monitoring system under a kind of mine based on multi task process |
| CN110386713A (en) * | 2019-07-24 | 2019-10-29 | 青岛思普润水处理股份有限公司 | A kind of super effect separation system and method based on magnetic-coagulation precipitating and activated carbon adsorption |
| CN110386713B (en) * | 2019-07-24 | 2024-05-07 | 青岛思普润水处理股份有限公司 | Super-efficient separation system and method based on magnetic coagulation precipitation and activated carbon adsorption |
| CN111420796A (en) * | 2020-03-10 | 2020-07-17 | 崔书君 | Solid-liquid separation method for coal dressing and mineral separation |
| CN113233688A (en) * | 2021-04-29 | 2021-08-10 | 中国矿业大学(北京) | Method for treating mine water |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102515325A (en) | Treatment process for mine water of coal deep well | |
| CN101805090B (en) | Process for treating fracturing flow-back fluid of oil well | |
| CN101380526A (en) | Method and system for removing pollutant from fluid | |
| CN206188464U (en) | Magnetic recovery unit behind magnetism coagulation treatment waste water | |
| CN102491557B (en) | Underground mine water treatment method | |
| CN201280483Y (en) | System for removing pollutant in fluid | |
| CN204848391U (en) | Device of clarification falls in supplementary coal slime depositing in water of magnetism kind flocculation applied magnetic field | |
| CN106746146B (en) | A kind of high-throughput magnetic equipment for separating liquid from solid and its method for purifying Magnetism granule in waste water | |
| CN102992535A (en) | Treatment method enabling drilling wastewater of petroleum and natural gas to meet standard on scene | |
| CN105906133B (en) | A kind of water body purification method and device of strong magnetic separation-magnetic green substance charcoal absorption | |
| CN202953904U (en) | Magnetic disc waste water purification system | |
| CN216764412U (en) | Magnetic medium coagulating sedimentation system | |
| CN202415317U (en) | Integral deep coal mine water treatment system | |
| CN201427904Y (en) | Integrative groundwater treatment machine | |
| CN101337724A (en) | Magnetic powder recovering and supplying method in water processing process | |
| CN207760101U (en) | A kind of magnetic flocculation-Magneto separate wastewater treatment equipment | |
| CN102092885A (en) | Water purification method for landscape water | |
| CN202881039U (en) | Integrated treatment system for coal deep-well mine water treatment | |
| CN106241974A (en) | Equipment for treating water from mine and method for treating water | |
| CN211056859U (en) | Construction wastewater treatment system | |
| CN202148234U (en) | Saponification liquid biochemical treatment device | |
| CN101935125A (en) | Method for processing alkaline-surfactant-polymer flooding oilfield injection water | |
| CN208916977U (en) | Reclaiming system after a kind of processing of guar gum system fracturing outlet liquid | |
| CN204400734U (en) | Micro-magnetic adds reprecipitation water body purification integral system | |
| CN101786758A (en) | Waste paper pulping and papermaking advanced waste water treatment technique |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120627 |