CN101069792B - Dimension block-ore production environment-protective treatment method and device - Google Patents
Dimension block-ore production environment-protective treatment method and device Download PDFInfo
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- CN101069792B CN101069792B CN2007100271450A CN200710027145A CN101069792B CN 101069792 B CN101069792 B CN 101069792B CN 2007100271450 A CN2007100271450 A CN 2007100271450A CN 200710027145 A CN200710027145 A CN 200710027145A CN 101069792 B CN101069792 B CN 101069792B
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Abstract
The present invention relates to a standard block ore production environment-protecting treatment system. Said system includes sewage collection and sedimentation system, slurry conveying pipeline system and filter-pressing system, and said system contains the following several main equipments: spiral classifier, slurry pump, slurry-conveying pipe, press filter, sewage collection pool, flocculating equipment and flight scraper device. Besides, said invention also provides the operation method of said system.
Description
[technical field]
The present invention relates to sewage environment-friendly disposal system in a kind of mineral matter washing process, especially relate to a kind of dimension block-ore production environment-protective treatment system that is applied in the metallurgical mine washing mineral process.
[background technology]
Iron is a kind of crucial ferrous metal, is widely used in all trades and professions such as traffic, building, metallurgy, machine-building, chemistry, boats and ships, national defence, and occurring in nature is present in the mineral deposit with the form of iron ore.At present, the selecting and purchasing method of the iron ore that adopts is broken the method for washing usually, and major product is the finished product ore deposit of lump ore, Xiao Kuang, three kinds of granularities of fine ore, and generally about 53%, of high grade reaches more than 55% the grade of finished iron ore.
Big Golconda ore deposit, Guangdong Province is one of important source material base of China's south steel and iron industry, is many metal molds mine.At present, big Golconda ore deposit year is handled more than 200 ten thousand tons in iron raw ore, produces more than 70 ten thousand tons in finished product iron ore per year, and main objectionable impurities is sulphur, arsenic, copper etc. in the iron ore.Screen house year is handled more than 70 ten thousand tons of compound iron ores, mainly handles compound iron ore, and technology is screening, split pole machine WATER-WASHING METHOD.
In the iron ore production procedure because the washing operation mode is adopted in last screening, thereby in flushing iron ore process, produce a large amount of sewage, in addition, flushing device, place health, filter press filtrate cycle water etc. all produce a large amount of sewage in the industrial hygiene.Washwater that produces in the production process and industry produce water and flow to the environmental protection sedimentation basin by a series of blowdown ditches, the oettIed sewage general nature enters the river small stream, the fine iron ore powder of precipitation reclaims with hand labor, efficient is very low, working strength of workers is also very big, because sewage is washup, produce in the industrial hygiene, therefore, the major pollutants of sewage are solid suspensions, that is the thin mud in the washwater and contain Iron Ore Powder, next is that the light oil that produces in the industrial hygiene is (as machinery oil, diesel oil, calcium dimethyldithiocarbamate is cured etc.) and the ore particle of particle diameter+1mm, if sewage is only done to efflux after the simple precipitation, not only the contaminant water resource is destroyed ecological environment, also the fine iron ore powder of recyclable utilization can be run off, cause the economic loss of enterprise and surrounding enviroment to pollute.Therefore, this sewage water treatment method can not satisfy the day by day high request of people to environmental protection, nor can satisfy the technological requirement that the fine iron ore powder is reclaimed.
[summary of the invention]
In order to overcome the above-mentioned shortcoming of prior art, the invention provides a kind of usefulness and fine iron ore powder rate of recovery that improves sewage disposal, alleviate working strength of workers, reach the dimension block-ore production environment-protective treatment system of the environmental requirement of sewage disposal.
The technical solution adopted for the present invention to solve the technical problems is: a kind of dimension block-ore production environment-protective treatment system, comprise sewage collecting sedimenting system, grout pipe line system and press filteration system, described sewage collecting sedimenting system comprises sewage collecting pool, thickening pond and concentrator, and sewage collecting pool comprises slime dam, environmental protection pond and accident pool;
Described grout pipe line system comprises ore pulp pump and stock line;
Described press filteration system comprises filter press, mud mixing agitator, dispensation apparatus, drug delivery pipeline, air pressure filter and conveyor belt;
Its processing step is: will mark washwater in the production process of ore deposit, be the waste water of 5-10% concentration after the spiral classifier sedimentation, is extracted into thickening pond by the ore pulp pump by stock line; Trade effluent in the production through sewage collecting pool, is evacuated to thickening pond by husky pump by filter press filtrate;
Sewage in the thickening pond is concentrated through precipitating, and the concentrated ore pulp underflow pump bottom thickening pond is transported to the sludge mixer in the filter press system;
With weight percent concentration be the drug delivery of 0.1%-0.5% to sludge mixer, by stirring, make sewage and soup after generation flocculation reaction fully balanced in the blender, make dense ore pulp enter filter press and be stratiform and separate;
Ore pulp is separated into filter cake and filtrate after filter press is handled, filter cake scrapes conveyor belt by mud-scraping apparatus and reclaims as breeze, and filtrate is drawn back thickening pond by the ore pulp pump, enters circulating water pool, as industrial water.
Described thickening pond sewage is back to circulating water pool through the annular overflow trough that the water after the sedimentation enters in the thickening pond, takes out by the self-priming clarified water pump and makes industrial water.
Described accident pool or emergency power settling tank when breaking down excessive because of output as thickening pond, after the thickening pond trouble shooting, the sewage in the accident pool is withdrawn into thickening pond by the ore pulp pump.
The preparation of described medicament is to prepare in the medicament agitator, and the medicament mixing time is no less than 60 minutes, leaves standstill the resolving time to be not less than 8 hours.
The invention has the beneficial effects as follows: the usefulness and the fine iron ore powder rate of recovery that have improved sewage disposal, technological process of the present invention is succinct, the automaticity height, it is fast to reclaim effective mineral time, environment protecting is good, backwater reusable edible after the processing, comprehensive benefit is remarkable, can be widely used in the sewage environmental protection treatment of metallurgical mine and relevant industries.
[description of drawings]
Fig. 1 is a process flow diagram of the present invention.
[specific embodiment]
The present invention is further described below in conjunction with drawings and Examples.
Referring to Fig. 1, this specific embodiment is that to wash the sewage that ore pulp that the back produces and industry produced with certain ore deposit mixing mineral water be raw material, contains the fine iron ore powder in its raw material, and general grade is more than 45%, and simultaneously with thin mud and objectionable impurities sulphur, arsenic, copper, light oil etc.
A kind of dimension block-ore production environment-protective treatment system, comprise sewage collecting sedimenting system, grout pipe line system and press filteration system, the sewage collecting sedimenting system comprises 3 slime dams, 8 environmental protection ponds, 4 accident pools, also has a thickening pond for 1500 cubic metres of sewage of savings, and a concentrator; Described grout pipe line system comprises 6 100KGL ore pulp pumps, 4 50KGL ore pulp pumps, 3 50KG ore pulp pumps, 8 stock lines; Described press filteration system comprises 3 DQY-2000 type filter presses, 3 mud mixing agitators, 3 dispensation apparatus, drug delivery pipeline, 3 air pressure filters, a conveyor belt.
The experimental selection of medicament:
Medicament is different and to using desired performance difference according to its molecular weight, and various in style, and the branch of cation, anion, nonionic, amphion is arranged.
1, anion: molecular weight: 300-1800 ten thousand, outward appearance: white particle powder, the efficient pH:7-14 of degree of hydrolysis: 10-50%.
2, cation: molecular weight: 300-1500 ten thousand, outward appearance: white particle or powder, the efficient pH:1-8 of degree of hydrolysis: 10-50%.
3, nonionic: molecular weight: 200-600 ten thousand, outward appearance: white particle powder, ion degree:＜3% efficient pH:1-8.
4, amphion: molecular weight: 1000-6000 ten thousand. outward appearance: white powder, cationic degree: 5-50% cationic degree: 8-25%pH:1-14.
The sewage composition that the mark ore deposit produces generation mainly is thin mud and contains Iron Ore Powder that simultaneously also with minute quantity light oil, the pH value is 5.2-6.8.
Select cation in the present embodiment for use, its molecular weight is at 300-1500 ten thousand, its molecular weight of cation that uses is stabilized in about 1,500 ten thousand, and its hydrolysis ion degree can reach 50% equally, and cationic pH value requires between 1-14, looser, the pH value condition that meets the mark ore deposit sewage and the water that makes up a prescription, from nearly 2 years practical effect, filter back hydraulic pressure is as clear as crystal, odorless, colourless, nontoxic has reached the second standard of country to the sewage disposal discharging.
Slime dam, environmental protection pond, accident pool are referred to as sewage collecting pool.The sewage that produces in ore pulp that washup produces and the industry by sewage collecting pool collect the back by the ore pulp pump by stock line to thickening pond, after the certain hour sedimentation, accumulation is in the thickening pond bottom, by concentrator that accumulation is dense step by step to pond central authorities at the sludge of thickening pond bottom again, by the bottom slime pump slime pump is arrived sludge mixer, simultaneously, the medicament that dispensation apparatus prepares enters sludge mixer by the loading pipeline, the two is in blender, stir fully generation flocculation reaction through agitator, and enter filter press up and down between the guipure; Under the effect of filter press dynamical system, sludge leaches guipure with moisture under the extruding of guipure up and down.Sludge after the filter then becomes pie, about thickness 5-20MM, by the mud-scraping apparatus on the guipure up and down the sludge cake is scraped on the conveyor belt, becomes the finished product fine ore of grade about 45%.Filtrate then is clear water, and the filtrate water of this moment reaches the two class water quality standards that national requirements effluxes.In order effectively to utilize water resource, filtrate water will be returned thickening pond by the ore pulp pump, and through after the sedimentation, the water in the thickening pond enters the overflow annular groove in the pond, flow into circulating water pool as industrial water by large pipeline.So recycling, significantly improve the utilization rate of water resource, preserve the ecological environment effectively.
Claims (4)
1. dimension block-ore production environment-protective processing method, it is characterized in that: comprise sewage collecting sedimenting system, grout pipe line system and press filteration system, described sewage collecting sedimenting system comprises sewage collecting pool, thickening pond and concentrator, and sewage collecting pool comprises slime dam, environmental protection pond and accident pool;
Described grout pipe line system comprises ore pulp pump and stock line;
Described press filteration system comprises filter press, mud mixing agitator, dispensation apparatus, drug delivery pipeline, air pressure filter and conveyor belt;
Its treatment process steps is: will mark washwater in the production process of ore deposit, after the spiral classifier sedimentation waste water of 5-10% concentration, be extracted into thickening pond by the ore pulp pump by stock line, the trade effluent in the production passes through the filtrate of filter press through sewage collecting pool, is evacuated to thickening pond by husky pump;
Sewage in the thickening pond is concentrated through precipitating, and the concentrated ore pulp underflow pump bottom thickening pond is transported to the sludge mixer in the press filteration system;
With weight percent concentration is that the soup of 0.1%-0.5% is delivered to sludge mixer, by stirring, makes sewage and soup after in the blender flocculation reaction taking place, and makes dense ore pulp enter filter press and is stratiform and separate;
Ore pulp is separated into filter cake and filtrate after filter press is handled, filter cake scrapes conveyor belt by mud-scraping apparatus and reclaims as breeze, and filtrate is drawn back thickening pond by the ore pulp pump, enters circulating water pool.
2. dimension block-ore production environment-protective processing method as claimed in claim 1 is characterized in that: described thickening pond sewage is back to circulating water pool through the annular overflow trough that the water after the sedimentation enters in the thickening pond.
3. dimension block-ore production environment-protective processing method as claimed in claim 1, it is characterized in that: described thickening pond is excessive or adopt when breaking down accident pool as the emergency power settling tank because of output, after the thickening pond trouble shooting, the sewage in the accident pool is withdrawn into thickening pond by the ore pulp pump.
4. dimension block-ore production environment-protective processing method as claimed in claim 1 is characterized in that: the preparation of described soup is to prepare in the soup agitator, and the soup mixing time is no less than 60 minutes, leaves standstill the resolving time to be not less than 8 hours.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100271450A CN101069792B (en) | 2007-03-09 | 2007-03-09 | Dimension block-ore production environment-protective treatment method and device |
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| CN2007100271450A CN101069792B (en) | 2007-03-09 | 2007-03-09 | Dimension block-ore production environment-protective treatment method and device |
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| CN101069792A CN101069792A (en) | 2007-11-14 |
| CN101069792B true CN101069792B (en) | 2010-10-06 |
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Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101963285B (en) * | 2010-09-02 | 2012-12-12 | 云南大红山管道有限公司 | Water circulation system and water circulation technology |
| CN102001772A (en) * | 2010-12-17 | 2011-04-06 | 攀枝花钢城集团有限公司 | Method for treating industrial waste sewage |
| CN102228762B (en) * | 2011-05-16 | 2013-12-18 | 云南大红山管道有限公司 | Dehydration method and device of tailings |
| CN103466766A (en) * | 2013-09-12 | 2013-12-25 | 安徽省绿巨人环境技术有限公司 | Technology for treating waste water of glass substrate production line |
| CN104591442B (en) * | 2015-01-30 | 2016-04-27 | 河南理工大学 | A kind of gold mine tailings stage purification treatment technology |
| CN106076592B (en) * | 2016-06-27 | 2019-03-15 | 孙振明 | A kind of quartz ore reduction processing system |
| CN106185837B (en) * | 2016-08-17 | 2018-05-04 | 阿克塞县泰戈化工发展有限公司 | Mud system is washed in one kind clarification |
| CN109110890A (en) * | 2018-08-30 | 2019-01-01 | 中交路桥华南工程有限公司 | Sewage disposal system and method |
| CN109133457A (en) * | 2018-09-30 | 2019-01-04 | 贺州市骏鑫矿产品有限责任公司 | A kind of feldspar in powder production sewage treatment method |
| CN109133430A (en) * | 2018-09-30 | 2019-01-04 | 贺州市骏鑫矿产品有限责任公司 | A kind of circulation utilization method of feldspar in powder production waste water |
| CN109356835A (en) * | 2018-10-30 | 2019-02-19 | 金川集团股份有限公司 | A kind of underground pump station tele-control system |
| CN110115873A (en) * | 2019-04-22 | 2019-08-13 | 华电电力科学研究院有限公司 | A kind of coal-contained wastewater processing system and coal-contained wastewater treatment process |
| CN110171890A (en) * | 2019-06-19 | 2019-08-27 | 湖南大学 | Mobile shield slurry waste water circulating treating system and processing method |
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