CN102979571A - All tailing sand dry discharge bonding filling system and filling method of filling system - Google Patents
All tailing sand dry discharge bonding filling system and filling method of filling system Download PDFInfo
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- CN102979571A CN102979571A CN2012105227703A CN201210522770A CN102979571A CN 102979571 A CN102979571 A CN 102979571A CN 2012105227703 A CN2012105227703 A CN 2012105227703A CN 201210522770 A CN201210522770 A CN 201210522770A CN 102979571 A CN102979571 A CN 102979571A
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Abstract
The invention discloses an all tailing sand dry discharge bonding filling system and a filling method of the filling system. The all tailing sand dry discharge bonding filling system disclosed by the invention comprises a slag pulp pump, rotational flow grading equipment, density grading equipment, a press filtering machine, a vibration sieve and a stirring system, wherein an outlet of the slag pulp pump is connected with an inlet of the rotational flow grading equipment, an overflow opening of the rotational flow grading equipment is connected with an inlet of the density grading equipment, and a material discharge opening arranged at the bottom of the rotational flow grading equipment is connected with a material feeding opening of the vibration sieve. The filling method comprises the following steps that the slag pulp pump is utilized for conveying the tailing sand raw pulp into the rotational flow grading equipment for grading, and the overflow materials are conveyed to the density grading equipment for further grading treatment. The density grading equipment is added to the overflow part of the rotational flow grading equipment, and the secondary grading is carried out, so the ultrafine tailing sand can be filled and utilized, and the utilization rate of the tailing sand is improved.
Description
Technical field
The present invention relates to a kind of filling system to the mine worked-out section filling and placement method, particularly the dried binder removal knot filling system of a kind of full tailings and placement method.
Background technology
Along with the fast development of China's economy, also soaring gradually to the demand of mineral resources, when ore dressing plant concentrate output increased, the mine tailing output also significantly increased.Set up Tailings Dam for this reason and stored these mine tailings, also brought thus various risks and harm, as: take a large amount of soils; The Tailings Dam construction strengthens with the pressure of safeguarding in danger storehouse, dangerous storehouse, sick storehouse, has a strong impact on ecological environment; Tailings Dam and produce easily potential safety hazard, mine tailing ore granularity after ore dressing is processed attenuates, and surface area increases, flow easily and the leakage of collapsing when storing up, cause vegetation deterioration, especially the natural calamity such as rainy season or earthquake causes landslide or mud-rock flow easily, brings about great losses.
Along with the development of filling mining technology, the tailing cemented filling technology can alleviate the pressure to the Tailings Dam O﹠M, can realize the recycling to mine tailing.The tailing-filled Technology Need of tradition uses the mode filling of vertical husky warehousing storage magma, need to cyclone be set at the vertical sand warehouse top, carries out the cyclone classification of tailings, and the tailings of cyclone underflow can enter vertical sand warehouse, as filling aggregate.But the fine-grained tailing of cyclone overflow still will overflow back Tailings Dam, and the time one is long, fundamentally can not solve the working pressure of Tailings Dam.Be located in the ore deposit of plains region for some, the first, building Tailings Dam is that difficulty is larger, the second, build Tailings Dam and bring easily various harm, be unfavorable for preserving the ecological environment.
There is following technological deficiency in tradition tailing cemented filling scheme, is mainly manifested in three aspects:
1, the tailings utilization rate is low, adopts mine tailing magma, for the thinner tailings of grade, can not enter vertical sand warehouse after the effect through cyclone, so for realization all-tailing cemented filling that can not be good on the tailings utilization rate.
2, the filling system investment is high, if select traditional vertical sand warehouse to store mine tailing magma, generally need two cover vertical sand warehouse systems (comprise vertical sand warehouse, level-sensing device, cyclone, the pulping of calming the anger, put sand operation and spiral metering system) according to charging quantity, the investment of such two cover vertical sand warehouse systems is larger.
3, traditional scheme can not fundamentally solve construction and the working pressure of Tailings Dam.
Summary of the invention
The technical problem to be solved in the present invention is: the dried binder removal knot of a kind of full tailings filling system is provided, can take full advantage of by the tailings that grade is thinner, do not need the tailings that grade is thinner to send Tailings Dam back to, alleviated the pressure of Tailings Dam aspect when improving the tailings utilization rate.The present invention also provides a kind of placement method that adopts the dried binder removal knot of aforementioned full tailings filling system.
In order to solve the problems of the technologies described above, the dried binder removal knot of the full tailings of the present invention filling system, comprise the slag stock pump, cyclone classification equipment, dense classifying equipoment, filter press, vibrosieve and stirring system, the outlet of slag stock pump connects the import of cyclone classification equipment, the overfall of cyclone classification equipment connects the import of dense classifying equipoment, the bottom discharge mouth of cyclone classification equipment connects the vibrosieve charging aperture, the screenings outlet of vibrosieve connects the feed pipe of slag stock pump, the bottom discharge mouth of dense classifying equipoment connects filter press, the cake of filter-press outlet is connected the oversize outlet by material transfer system connection stirring system with vibrosieve, stirring system also is connected with gelating material feedway and water supply installation.
For the ease of storing up more dried discharge, described material transfer system comprises does stockyard and conveyer, and the cake of filter-press outlet is connected the oversize outlet and is connected by conveyer and do the stockyard with vibrosieve, and dried stockyard connects stirring system by conveyer.
In order to improve grading effect, described dense classifying equipoment is concentrator, and described cyclone classification equipment is cyclone.
In order to make overflow water recycling, the overflow water outlet of described concentrator connects industrial water point on the ore deposit by pipeline.
In order further to improve grading effect, described dense classifying equipoment is deep wimble thickener.
The dried binder removal knot of the full tailings of the present invention placement method adopts aforementioned any filling system, and described placement method comprises the steps:
(1) utilize the slag stock pump that mine tailing magma is transported to cyclone classification equipment and carry out the classification processing, the percentage by weight that obtains overflow material and sand is the underflow of 55-60%;
(2) the overflow material with cyclone classification equipment is transported to the further classification processing of dense classifying equipoment, and the percentage by weight that obtains sand is underflow and the overflow water of 52-58%; The underflow of cyclone classification equipment is transported to bolting, obtain screenings and wet weight percentage less than or etc. 16% oversize; With the underflow of dense classifying equipoment input filter press, obtain filtered water and wet weight percentage less than or etc. 16% filter cake; Obtain oversize and two kinds of dried discharges of filter cake;
(3) it is recycling screenings to be inputted the slag stock pump;
(4) dried discharge, gelating material and water are transported to stirring system, utilize stirring system that dried discharge, gelating material and water are made casting resin;
(5) use the casting resin bashing.
In order to make overflow water recycling, the overflow water that utilizes dense classifying equipoment to obtain step (2) is transported to industrial water point on the ore deposit.
In order to improve the classification processing speed, in step (2), when processing, dense classifying equipoment classification adds a certain amount of flocculant.
The invention has the beneficial effects as follows: the present invention with mine tailing magma by the slag stock pump from Tailings Dam or directly by selecting factory to be delivered to cyclone classification equipment, after cyclone classification equipment carries out cyclone classification, for overflow portion, be that grade is less, concentration does not reach preset requirement, enter dense classifying equipoment, carry out the classification of secondary, the underflow of dense classifying equipoment is pressed into filter cake by filter press, and by bolting, oversize is dried discharge with the underflow of cyclone classification equipment, screenings input slag stock pump is further recycling, with dried discharge, cementitious material and water are made casting resin by stirring system, make ultra-fine tailings obtain the filling utilization, improve the utilization rate of tailings.The low little tailings of grade of concentration can not flow back into Tailings Dam, but utilizes after further processing, and has reduced construction and the working pressure of Tailings Dam, has greatly improved the utilization rate of tailings, really realizes the filling of the dried binder removal knot of full tailings.
Description of drawings
Fig. 1 is structural representation of the present invention;
Among the figure: 1, slag stock pump, 2, cyclone, 3, vibrosieve, 4, concentrator, 5, the gelating material feedway, 6, water supply installation, 7, stirring system, 8, do the stockyard, 9, filter press, 10, conveyer.
The specific embodiment
The dried binder removal knot of a kind of full tailings as shown in Figure 1 filling system, it comprises slag stock pump 1, cyclone 2, concentrator 4, filter press 9, vibrosieve 3 and stirring system 7, the outlet of slag stock pump 1 connects the import of cyclone 2, the overfall of cyclone 2 connects the import of concentrator 4, the bottom discharge mouth of cyclone 2 connects the charging aperture of vibrosieve 3, the screenings outlet of vibrosieve 3 connects the feed pipe of slag stock pump 1, the bottom discharge mouth of concentrator 4 connects filter press 9, the oversize outlet that the filtered solid outlet of filter press 9 is connected with vibrosieve connects stirring system 7 by the material transfer system, and stirring system 7 also is connected with gelating material feedway 5 and water supply installation 6.
The material transfer system comprises does stockyard 8 and a plurality of conveyer 10, the oversize outlet that the filtered solid outlet of filter press 9 is connected with vibrosieve connects by conveyer 10 does the stockyard, do stockyard 8 and connect stirring system 7 by another conveyer, this conveyer can adopt the mode of two point of delivery of direct connection, also can adopt the mode of excavator material loading and automatic discharging.
Concentrator 4 preferably adopts deep wimble thickener, also can adopt other dense classifying equipoment, and cyclone 2 also can adopt other cyclone classification equipment.The overflow water outlet of concentrator 4 can be connected industrial water point on the ore deposit by pipeline, also the filtered water of filter press 9 can be received industrial water point on the ore deposit.
The dried binder removal knot of the full tailings of this specific embodiment placement method adopts aforementioned filling system, and described placement method comprises the steps:
(1) utilize slag stock pump 1 that mine tailing magma is transported to cyclone 2 and carry out the classification processing, the percentage by weight that obtains overflow material and sand is the underflow of 55-60%; Part except water in the mine tailing magma all is defined as sand.
(2) the overflow material with cyclone 2 is transported to concentrator 4 further classifications processing, during processing, doses flocculant in concentrator 4, is beneficial to the material fast processing.The percentage by weight that obtains sand is underflow and the overflow water of 52-58%, and overflow water can be transported to industrial water point on the ore deposit; The underflow of cyclone 2 is transported to vibrosieve 3 sieves, obtain screenings and wet weight percentage less than or etc. 16% oversize; With the underflow of concentrator 4 input filter press 9, obtain filtered water and wet weight percentage less than or etc. 16% filter cake; Thereby obtain oversize and two kinds of dried discharges of filter cake.Dried discharge wet weight hundred common ratios are 16% to be to store up critical line, and being higher than 16% can't store up.
(3) it is recycling screenings to be inputted slag stock pump 1, and screenings can be from the feed pipe access of slag stock pump 1.
(4) dried discharge, gelating material and water are transported to stirring system 7, utilize stirring system 7 that dried discharge, gelating material and water are made casting resin; How adopting above-mentioned three kinds of raw materials to make casting resin is prior art.
Use the casting resin bashing, this step also is prior art.
Claims (8)
1. the dried binder removal of full tailings is tied filling system, it is characterized in that: comprise the slag stock pump, cyclone classification equipment, dense classifying equipoment, filter press, vibrosieve and stirring system, the outlet of slag stock pump connects the import of cyclone classification equipment, the overfall of cyclone classification equipment connects the import of dense classifying equipoment, the bottom discharge mouth of cyclone classification equipment connects the vibrosieve charging aperture, the screenings outlet of vibrosieve connects the feed pipe of slag stock pump, the bottom discharge mouth of dense classifying equipoment connects filter press, the cake of filter-press outlet is connected the oversize outlet by material transfer system connection stirring system with vibrosieve, stirring system also is connected with gelating material feedway and water supply installation.
2. the dried binder removal of full tailings according to claim 1 is tied filling system, it is characterized in that: described material transfer system comprises does stockyard and a plurality of conveyer, the cake of filter-press outlet is connected the oversize outlet by the dried stockyard of conveyer connection with vibrosieve, do the stockyard and connect stirring system by conveyer.
3. the dried binder removal of full tailings according to claim 1 is tied filling system, and it is characterized in that: described dense classifying equipoment is concentrator, and described cyclone classification equipment is cyclone.
4. all-tailing cemented filling according to claim 3 system, it is characterized in that: the overflow water outlet of described concentrator connects industrial water point on the ore deposit by pipeline.
5. any one described all-tailing cemented filling system according to claim 1-4, it is characterized in that: described dense classifying equipoment is deep wimble thickener.
6. the dried binder removal knot of full tailings placement method is characterized in that: adopt such as filling system as described in any one among the claim 1-4, described placement method comprises the steps:
(1) utilize the slag stock pump that mine tailing magma is transported to cyclone classification equipment and carry out the classification processing, the percentage by weight that obtains overflow material and sand is the underflow of 55-60%;
(2) the overflow material with cyclone classification equipment is transported to the further classification processing of dense classifying equipoment, and the percentage by weight that obtains sand is underflow and the overflow water of 52-58%; The underflow of cyclone classification equipment is transported to bolting, obtain screenings and wet weight percentage less than or etc. 16% oversize; With the underflow of dense classifying equipoment input filter press, obtain filtered water and wet weight percentage less than or etc. 16% filter cake; Obtain oversize and two kinds of dried discharges of filter cake;
(3) it is recycling screenings to be inputted the slag stock pump;
(4) dried discharge, gelating material and water are transported to stirring system, utilize stirring system that dried discharge, gelating material and water are made casting resin;
(5) use the casting resin bashing.
7. the dried binder removal of full tailings according to claim 6 is tied placement method, and it is characterized in that: the overflow water that utilizes dense classifying equipoment to obtain step (2) is transported to industrial water point on the ore deposit.
8. the dried binder removal knot of full tailings according to claim 6 placement method is characterized in that: add a certain amount of flocculant in step (2) when dense classifying equipoment classification is processed.
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| CN2012105227703A CN102979571A (en) | 2012-12-08 | 2012-12-08 | All tailing sand dry discharge bonding filling system and filling method of filling system |
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Cited By (20)
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|---|---|---|---|---|
| CN103657840A (en) * | 2013-07-10 | 2014-03-26 | 中蓝连海设计研究院 | Dry type discharge method of phosphorus ore tailings |
| CN103936345A (en) * | 2014-03-03 | 2014-07-23 | 中钢矿业开发有限公司 | Method and system for preparing tailings filling slurry |
| CN104291469A (en) * | 2014-09-29 | 2015-01-21 | 重庆大学 | Reinforced fine sand removal system and method |
| CN104564135A (en) * | 2014-12-08 | 2015-04-29 | 金川集团股份有限公司 | Process alarming method for intelligent filling system of mine |
| CN104722395A (en) * | 2015-02-13 | 2015-06-24 | 湖北鑫鹰环保科技股份有限公司 | Mixed flocculating agent capable of accelerating settling of superfine grain tailing flocculation and application thereof |
| CN104829150A (en) * | 2015-03-05 | 2015-08-12 | 长沙矿山研究院有限责任公司 | Thickening method and thickening system of whole tailing material slurry paste |
| CN105317458A (en) * | 2015-10-29 | 2016-02-10 | 北京科技大学 | Grading zonal paste backfilling system and method for total tailings of metal minerals |
| CN105525945A (en) * | 2016-01-18 | 2016-04-27 | 河北钢铁集团矿业有限公司 | High-concentration full-tailing cementing continuous filling device and method |
| CN105834012A (en) * | 2016-05-19 | 2016-08-10 | 中冶北方（大连）工程技术有限公司 | Continuous preparation system and preparation technology of whole grain grade tailing cemented filling slurry |
| CN106150544A (en) * | 2016-08-03 | 2016-11-23 | 山东华联矿业股份有限公司 | Tradition sand storehouse is utilized to realize the new technology of all-tailing cemented filling |
| CN106869995A (en) * | 2017-04-11 | 2017-06-20 | 中蓝连海设计研究院 | A kind of flotation tailing Total tailing consolidated fill method |
| CN107321493A (en) * | 2017-07-17 | 2017-11-07 | 首钢集团有限公司 | A kind of tailings glass system |
| CN107476821A (en) * | 2017-09-26 | 2017-12-15 | 北京科技大学 | A kind of ultra-fine crude tailings Paste-filling System and method |
| CN108266223A (en) * | 2017-12-15 | 2018-07-10 | 中国华冶科工集团有限公司 | The method that high-sulfur tailings prepares filling in mine material with Gobi aggregate |
| CN109834041A (en) * | 2017-11-27 | 2019-06-04 | 广西南宁胜祺安科技开发有限公司 | A kind of environment-friendly high-efficiency preparation equipment |
| CN111037742A (en) * | 2020-01-03 | 2020-04-21 | 长沙有色冶金设计研究院有限公司 | Fine-fraction tailing thickening system and method |
| CN111589221A (en) * | 2020-05-29 | 2020-08-28 | 山东孚德环保有限公司 | Method for treating coal gasification fine slag |
| CN111852550A (en) * | 2020-06-02 | 2020-10-30 | 中钢集团山东富全矿业有限公司 | Tailing paste filling equipment group and filling process |
| CN114195472A (en) * | 2021-12-15 | 2022-03-18 | 武汉大学(肇庆)资源与环境技术研究院 | Preparation method of superfine tailing cemented filling slurry with high fluidity and high curing strength |
| CN115301678A (en) * | 2022-09-14 | 2022-11-08 | 云南磷化集团有限公司 | Resource utilization method for ultrafine flotation phosphorus tailings |
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| CN103657840A (en) * | 2013-07-10 | 2014-03-26 | 中蓝连海设计研究院 | Dry type discharge method of phosphorus ore tailings |
| CN103936345A (en) * | 2014-03-03 | 2014-07-23 | 中钢矿业开发有限公司 | Method and system for preparing tailings filling slurry |
| CN103936345B (en) * | 2014-03-03 | 2016-01-13 | 中钢矿业开发有限公司 | The method and system of a kind of tailing (back) fill slurry preparation |
| CN104291469B (en) * | 2014-09-29 | 2016-04-06 | 重庆大学 | Strengthening fine sand removes system and method |
| CN104291469A (en) * | 2014-09-29 | 2015-01-21 | 重庆大学 | Reinforced fine sand removal system and method |
| CN104564135A (en) * | 2014-12-08 | 2015-04-29 | 金川集团股份有限公司 | Process alarming method for intelligent filling system of mine |
| CN104722395A (en) * | 2015-02-13 | 2015-06-24 | 湖北鑫鹰环保科技股份有限公司 | Mixed flocculating agent capable of accelerating settling of superfine grain tailing flocculation and application thereof |
| CN104829150B (en) * | 2015-03-05 | 2017-04-26 | 长沙矿山研究院有限责任公司 | Thickening method and thickening system of whole tailing material slurry paste |
| CN104829150A (en) * | 2015-03-05 | 2015-08-12 | 长沙矿山研究院有限责任公司 | Thickening method and thickening system of whole tailing material slurry paste |
| CN105317458A (en) * | 2015-10-29 | 2016-02-10 | 北京科技大学 | Grading zonal paste backfilling system and method for total tailings of metal minerals |
| CN105525945A (en) * | 2016-01-18 | 2016-04-27 | 河北钢铁集团矿业有限公司 | High-concentration full-tailing cementing continuous filling device and method |
| CN105834012B (en) * | 2016-05-19 | 2017-11-17 | 中冶北方（大连）工程技术有限公司 | Wholegrain level tailing cemented filling material starches continuous preparation system and its preparation technology |
| CN105834012A (en) * | 2016-05-19 | 2016-08-10 | 中冶北方（大连）工程技术有限公司 | Continuous preparation system and preparation technology of whole grain grade tailing cemented filling slurry |
| CN106150544A (en) * | 2016-08-03 | 2016-11-23 | 山东华联矿业股份有限公司 | Tradition sand storehouse is utilized to realize the new technology of all-tailing cemented filling |
| CN106869995A (en) * | 2017-04-11 | 2017-06-20 | 中蓝连海设计研究院 | A kind of flotation tailing Total tailing consolidated fill method |
| CN107321493B (en) * | 2017-07-17 | 2019-07-02 | 首钢集团有限公司 | A kind of tailings glass system |
| CN107321493A (en) * | 2017-07-17 | 2017-11-07 | 首钢集团有限公司 | A kind of tailings glass system |
| CN107476821A (en) * | 2017-09-26 | 2017-12-15 | 北京科技大学 | A kind of ultra-fine crude tailings Paste-filling System and method |
| CN107476821B (en) * | 2017-09-26 | 2019-05-03 | 北京科技大学 | A kind of ultra-fine crude tailings Paste-filling System |
| CN109834041A (en) * | 2017-11-27 | 2019-06-04 | 广西南宁胜祺安科技开发有限公司 | A kind of environment-friendly high-efficiency preparation equipment |
| CN108266223A (en) * | 2017-12-15 | 2018-07-10 | 中国华冶科工集团有限公司 | The method that high-sulfur tailings prepares filling in mine material with Gobi aggregate |
| CN111037742A (en) * | 2020-01-03 | 2020-04-21 | 长沙有色冶金设计研究院有限公司 | Fine-fraction tailing thickening system and method |
| CN111589221A (en) * | 2020-05-29 | 2020-08-28 | 山东孚德环保有限公司 | Method for treating coal gasification fine slag |
| CN111852550A (en) * | 2020-06-02 | 2020-10-30 | 中钢集团山东富全矿业有限公司 | Tailing paste filling equipment group and filling process |
| CN114195472A (en) * | 2021-12-15 | 2022-03-18 | 武汉大学(肇庆)资源与环境技术研究院 | Preparation method of superfine tailing cemented filling slurry with high fluidity and high curing strength |
| CN115301678A (en) * | 2022-09-14 | 2022-11-08 | 云南磷化集团有限公司 | Resource utilization method for ultrafine flotation phosphorus tailings |
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Application publication date: 20130320 |