CN203392974U - Mine water magnetic separation, purification treatment and utilization system - Google Patents

Mine water magnetic separation, purification treatment and utilization system Download PDF

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Publication number
CN203392974U
CN203392974U CN201320477369.2U CN201320477369U CN203392974U CN 203392974 U CN203392974 U CN 203392974U CN 201320477369 U CN201320477369 U CN 201320477369U CN 203392974 U CN203392974 U CN 203392974U
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magnetic
water
filtration unit
throwing device
pipeline
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崔东锋
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HANGZHOU ENVIRONMENTAL PROTECTION RESEARCH INSTITUTE COAL SCIENCE RESEARCH INSTITUTE
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HANGZHOU ENVIRONMENTAL PROTECTION RESEARCH INSTITUTE COAL SCIENCE RESEARCH INSTITUTE
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Abstract

The utility model relates to a mine water magnetic separation, purification treatment and utilization system and belongs to the technical field of coal mine water treatment. The mine water magnetic separation, purification treatment and utilization system comprises a water treatment system consisting of a pre-precipitation basin, a coagulating and stirring device, a magnetic separation device, a magnetic filtration device, a middle water basin and a filtration device which are connected sequentially through pipelines and an electrical control unit for electrically controlling all devices of the system, wherein a lifting pump is arranged on a pipeline between the middle water basin and the filtration device; the pre-precipitation basin is connected with a water feeding pipeline; the filtration device is connected with a water discharging pipeline. The system also comprises a magnetic powder recycling device and a coal slime filter-press unit which are connected in sequence; a sludge discharging opening is formed in an outlet of the coal slime filter-press unit; the magnetic powder recycling device is connected with the magnetic separation device and the magnetic filtration device respectively through pipelines. The mine water magnetic separation, purification treatment and utilization system is mainly used for removing suspensions and colloidal substances from mine water and has the characteristics of small occupied area, simple flow, low running cost, high automation degree and the like.

Description

Pit water magnetically separating and purifying processing and utilizing system
Technical field
The utility model relates to a kind of pit water magnetically separating and purifying processing and utilizing system, belongs to colliery water-treatment technology field.
Background technology
Pit water is that dustproof watering during the underground water burst that produces in process of coal mining and down-hole mining are produced, apparatus cools draining etc. collect and form, and mainly contains coal dust and rock dust, is the trade effluent with coal industry feature.According to National Development and Reform Committee and Bureau of Energy, combine 12 " pit water utilizes development program " of printing and distributing, by 2015, national Technique of Coal Mine Drainage water displacement reached 71 billion cubic meters, utilization 54 billion cubic meters, utilization ratio brings up to 75%, newly-increased pit water utilization 18 billion cubic meters.Therefore, pit water is carried out to purifying treatment and make its effluent quality reach the requirement of coal production water to water quality, strengthen the recovery utilization rate of pit water, significant for the Sustainable development that improves coal enterprise.
At present, the purification of mine drainage processing and utilizing system of China is substantially all the technique that adopts coagulating sedimentation+filtration, this technique has good removal effect to the suspended substance in pit water, its effluent quality is general equal can meet the requirement of coal production water to water quality, but this technique floor space is large, investment is large, running cost is high, and be only applicable to Ground Processing System, can not be applied under coal mine, limited the scope of its application.Therefore, the requirement according to coal production water to water quality, is necessary to develop that a kind of floor space is little, less investment, processing cost be low, and can be applied to coal mine ground, can be applied to again the purification of mine drainage processing and utilizing system under coal mine.
Utility model content
The utility model provides a kind of pit water magnetically separating and purifying processing and utilizing system, to solve the problem that existing purification of mine drainage processing and utilizing system floor space is large, investment is large, processing cost is high, and can be applied to ground and can be applied under coal mine again.
The utility model solves the technical scheme that its technical problem adopts:
A kind of pit water magnetically separating and purifying processing and utilizing system, this system comprises water treatment system and the electric control unit for each device of native system is carried out to electrical control being formed by connecting by pipeline by preliminary precipitation pond, coagulation whipping appts, magnetic separating device, magnetic filter, intermediate pool and filtration unit successively, on pipeline between intermediate pool and filtration unit, be provided with lift pump, preliminary precipitation pond is connected with suction culvert, and filtration unit is connected with outlet pipeline; This system also comprises connected successively magnetic powder recovering device and coal slime press filtration unit, and the outlet of coal slime press filtration unit arranges mud discharging mouth, and magnetic powder recovering device is connected by pipeline with magnetic separating device, magnetic filter respectively.Described electric control unit can adopt general electrical control cabinet, also can adopt mine explosion-suppression and intrinsic safety type control case able to programme, one or more, consists of.
As preferably, on the connecting pipeline between suction culvert and preliminary precipitation pond, set gradually first flow meter and the pre-throwing device of flocculation agent, between preliminary precipitation pond and coagulation whipping appts, the second under meter is set, liquidometer is installed in intermediate pool.
As preferably, described coagulation whipping appts is divided into three teeter columns that are linked in sequence by dividing plate, the top of San Ge teeter column is provided with flocculation agent throwing device, magnetic throwing device, flocculating agent feeding device successively, and flocculation agent throwing device, magnetic throwing device, flocculating agent feeding device are controlled by electric control unit respectively; Magnetic throwing device is connected with magnetic powder recovering device.
As preferably, preliminary precipitation is provided with machines for mud clearage in pond.
As preferably, described electric control unit is connected by cable with machines for mud clearage, the second under meter, flocculation agent throwing device, flocculating agent feeding device, coagulation whipping appts, magnetic separating device, magnetic filter, liquidometer, lift pump, filtration unit, magnetic throwing device, magnetic powder recovering device and coal slime press filtration unit in first flow meter, the pre-throwing device of flocculation agent, preliminary precipitation pond respectively.
The concrete water treatment process of described pit water magnetically separating and purifying processing and utilizing system is: Technique of Coal Mine Drainage flows automatically or enter preliminary precipitation pond after promoting, in suction culvert, add in advance flocculation agent, make the suspended substance in pit water carry out flocculation reaction with it, the flco throw out of generation is got rid of outside pond by the machines for mud clearage being arranged in preliminary precipitation pond; Water outlet gravity flow in preliminary precipitation pond enters coagulation whipping appts, and adds successively flocculation agent, magnetic, flocculation agent, under its stirring action, makes suspended substance in pit water and colloidalmaterial carry out magnetic-coagulation with it and reacts, and forms the magnetic floc sedimentation that wraps up magnetic; Pit water gravity flow containing the floc sedimentation that is magnetic enters magnetic separating device, utilizes the permanent-magnetic field of magnetic separating device that magnetic floc sedimentation is separated to magnetic powder recovering device, and its water outlet enters magnetic filter; In pit water after magnetic separating device, still contain a small amount of magnetic floc sedimentation, utilize the externally-applied magnetic field of magnetic filter can remaining magnetic floc sedimentation is all adsorbed onto on magnetic filter, and by magnetic filter is demagnetized, utilize back flushing effect that the magnetic floc sedimentation of absorption is flushed in magnetic powder recovering device, the water outlet of magnetic filter flows into intermediate pool; After the pit water in intermediate pool being promoted by lift pump, enter filtration unit, further the subparticle in pit water and colloidalmaterial are removed; Magnetic powder recovering device carries out the separated of magnetic and mud to the magnetic floc sedimentation entering, and the magnetic of separating is recovered to magnetic throwing device, and the mud of separating enters coal slime press filtration unit; The coal slime that coal slime press filtration unit produces system is carried out press filtration, and the clear water of output refluxes, the mud cake outward transport of formation; Thereby pit water is purified completely, and system only produces clear water and mud cake, its clear water water quality meets the requirement of coal production water to water quality completely.
Pit water magnetically separating and purifying processing and utilizing system provided by the utility model, be mainly used for removing suspended substance and colloidalmaterial in pit water, the operation control process that its electric control unit completes is as follows: by first flow meter, detect whether water treatment system intakes and flooding velocity size, if there is flooding velocity, start the pre-throwing device of flocculation agent, and according to the dosage of the size adjustment flocculation agent of flow, simultaneously, according to the timed interval of setting, automatically move the machines for mud clearage in preliminary precipitation pond; By the second under meter, detect the pit water flow that enters coagulation whipping appts, if there is flooding velocity, start successively flocculation agent throwing device, magnetic throwing device, flocculating agent feeding device, magnetic separating device, magnetic filter, magnetic powder recovering device, wherein the dosage of flocculation agent, magnetic, flocculation agent regulates automatically according to the pit water uninterrupted detecting; By liquidometer, detect the level value of intermediate pool, when level value reaches to set in liquid level, prescribe a time limit, automatically open lift pump, pit water is promoted to filtration unit and filters, when level value reaches to set under liquid level, prescribe a time limit, lift pump is out of service.
The utility model adopts the method that adds in advance flocculation agent+preliminary precipitation to remove the partial suspended thing in pit water; Adopt coagulation whipping appts, make to add and in the pit water after flocculation agent, magnetic and flocculation agent, form magnetic floc sedimentation, and utilize magnetic separating device that magnetic floc sedimentation is separated, more further remove remaining magnetic floc sedimentation by magnetic filter, thus remove the most suspended substances in pit water; Finally by filtration unit, remove fine suspended substance and the colloid in pit water, make delivery turbidity be less than 3NTU, its effluent quality meets the requirement of coal production water to water quality, can directly as water of productive use, utilize.The utility model is mainly used in removing suspended substance and the colloidalmaterial in pit water, has that floor space is little, flow process is simple, running cost is low, level of automation high.
Accompanying drawing explanation
Fig. 1 is schema of the present utility model;
Fig. 2 is a kind of structural representation of the present utility model;
Description of symbols: 1-suction culvert; 2-first flow meter; The pre-throwing device of 3-flocculation agent; 4-preliminary precipitation pond; The 5-the second under meter; 6-flocculation agent throwing device; 7-flocculating agent feeding device; 8-coagulation whipping appts; 9-magnetic separating device; 10-magnetic filter; 11-intermediate pool; 12-liquidometer; 13-lift pump; 14-filtration unit; 15-outlet pipeline; 16-electric control unit; 17-magnetic throwing device; 18-magnetic powder recovering device; 19-coal slime press filtration unit; 20-mud discharging mouth.
Embodiment
Below by specific embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.Should be appreciated that enforcement of the present utility model is not limited to the following examples, any pro forma accommodation that the utility model is made and/or change all will fall into the utility model protection domain.
Embodiment:
As shown in Figure 2, this device is comprised of first flow meter 2, the pre-throwing device 3 of flocculation agent, preliminary precipitation pond 4, the second under meter 5, flocculation agent throwing device 6, flocculating agent feeding device 7, coagulation whipping appts 8, magnetic separating device 9, magnetic filter 10, intermediate pool 11, liquidometer 12, lift pump 13, filtration unit 14, electric control unit 16, magnetic throwing device 17, magnetic powder recovering device 18 and coal slime press filtration unit 19.Preliminary precipitation pond 4, coagulation whipping appts 8, magnetic separating device 9, magnetic filter 10, intermediate pool 11, lift pump 13, filtration unit 14 connect by pipeline successively, and preliminary precipitation pond 4 is connected with suction culvert 1, and filtration unit 14 is connected with outlet pipeline 15.On connecting pipeline between suction culvert and preliminary precipitation pond, set gradually the pre-throwing device 6 of first flow meter 2 and flocculation agent, the second under meter 5 is set between preliminary precipitation pond and coagulation whipping appts, liquidometer is installed in intermediate pool.
Coagulation whipping appts is divided into three teeter columns that are linked in sequence by dividing plate, the top of San Ge teeter column is provided with flocculation agent throwing device, magnetic throwing device, flocculating agent feeding device successively, and flocculation agent throwing device, magnetic throwing device, flocculating agent feeding device are controlled by electric control unit respectively; Magnetic throwing device is connected with magnetic powder recovering device.
Magnetic separating device 9, magnetic powder recovering device 18, coal slime press filtration unit 19 connect by pipeline successively, and the outlet of coal slime press filtration unit 19 arranges mud discharging mouth 20; Described magnetic filter 10 is connected by pipeline with magnetic powder recovering device 18; In described preliminary precipitation pond 4, be provided with machines for mud clearage.
Described electric control unit 16 is connected by cable with machines for mud clearage, the second under meter 5, flocculation agent throwing device 6, flocculating agent feeding device 7, coagulation whipping appts 8, magnetic separating device 9, magnetic filter 10, liquidometer 12, lift pump 13, filtration unit 14, magnetic throwing device 17, magnetic powder recovering device 18 and coal slime press filtration unit 19 in first flow meter 2, the pre-throwing device 3 of flocculation agent, preliminary precipitation pond 4 respectively.
As shown in Figure 1, concrete water treatment technological process is: Technique of Coal Mine Drainage flows automatically or enter preliminary precipitation pond 4 after promoting, by the pre-throwing device 3 of flocculation agent, in suction culvert 1, add in advance flocculation agent, make the suspended substance in pit water carry out flocculation reaction with it, the flco throw out of generation is got rid of outside pond by the machines for mud clearage being arranged in preliminary precipitation pond 4; The 4 water outlet gravity flows of preliminary precipitation pond enter coagulation whipping appts 8, and add successively flocculation agent, magnetic, flocculation agent by flocculation agent throwing device 6, magnetic throwing device 17, flocculating agent feeding device 7, under its stirring action, make suspended substance in pit water and colloidalmaterial carry out magnetic-coagulation with it and react, form the magnetic floc sedimentation of parcel magnetic; Pit water gravity flow containing the floc sedimentation that is magnetic enters magnetic separating device 9, utilizes the permanent-magnetic field of magnetic separating device 9 that magnetic floc sedimentation is separated to magnetic powder recovering device 18, and its water outlet enters magnetic filter 10; In pit water after magnetic separating device 10, still contain a small amount of magnetic floc sedimentation, utilize the externally-applied magnetic field of magnetic filter 10 remaining magnetic floc sedimentation all can be adsorbed onto on magnetic filter 10, and by magnetic filter 10 is demagnetized, utilize back flushing effect that the magnetic floc sedimentation of absorption is flushed in magnetic powder recovering device 18, the water outlet of magnetic filter 10 flows into intermediate pool 11; After the pit water in intermediate pool 11 being promoted by lift pump 13, enter filtration unit 14, further the subparticle in pit water and colloidalmaterial are removed; The magnetic floc sedimentation that 18 pairs of magnetic powder recovering devices enter carries out the separated of magnetic and mud, and the magnetic of separating is recovered to magnetic throwing device 17, and the mud of separating enters coal slime press filtration unit 19; The coal slime that 19 pairs of coal slime press filtration unit system produces is carried out press filtration, and the clear water of output refluxes, the mud cake outward transport of formation; Thereby pit water is purified completely, and system only produces clear water and mud cake, its clear water water quality meets the requirement of coal production water to water quality completely, can directly as water of productive use, utilize.
The operation control process of the pit water magnetically separating and purifying processing and utilizing system that the present embodiment provides is as follows: by first flow meter 2, detect whether water treatment system intakes and flooding velocity size, if there is flooding velocity, start the pre-throwing device 3 of flocculation agent, and according to the dosage of the size adjustment flocculation agent of flow, simultaneously, according to the timed interval of setting, automatically move the machines for mud clearage in preliminary precipitation pond 4; By the second under meter 5, detect the pit water flow that enters coagulation whipping appts 8, if there is flooding velocity, start successively flocculation agent throwing device 6, magnetic throwing device 17, flocculating agent feeding device 7, magnetic separating device 9, magnetic filter 10, magnetic powder recovering device 18, wherein the dosage of flocculation agent, magnetic, flocculation agent regulates automatically according to the pit water uninterrupted detecting; By liquidometer 12, detect the level value of intermediate pool 11, when level value reaches to set in liquid level, prescribe a time limit, automatically open lift pump 13, pit water is promoted to filtration unit 14 and filters, when level value reaches to set under liquid level, prescribe a time limit, lift pump is out of service.
It should be noted that, the electric control unit in embodiment can adopt general electrical control cabinet, also can adopt mine explosion-suppression and intrinsic safety type control case able to programme, consists of, and be currently available products one or more.
Finally it should be noted that: above embodiment only, in order to the technical solution of the utility model to be described, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.

Claims (6)

1. a pit water magnetically separating and purifying processing and utilizing system, it is characterized in that: this system comprises water treatment system and the electric control unit for each device of native system is carried out to electrical control being formed by connecting by pipeline by preliminary precipitation pond, coagulation whipping appts, magnetic separating device, magnetic filter, intermediate pool and filtration unit successively, on pipeline between intermediate pool and filtration unit, be provided with lift pump, preliminary precipitation pond is connected with suction culvert, and filtration unit is connected with outlet pipeline; This system also comprises connected successively magnetic powder recovering device and coal slime press filtration unit, and the outlet of coal slime press filtration unit arranges mud discharging mouth, and magnetic powder recovering device is connected by pipeline with magnetic separating device, magnetic filter respectively.
2. pit water magnetically separating and purifying processing and utilizing system according to claim 1, it is characterized in that: on the connecting pipeline between suction culvert and preliminary precipitation pond, set gradually first flow meter and the pre-throwing device of flocculation agent, between preliminary precipitation pond and coagulation whipping appts, the second under meter is set, liquidometer is installed in intermediate pool.
3. pit water magnetically separating and purifying processing and utilizing system according to claim 1 and 2, it is characterized in that: described coagulation whipping appts is divided into three teeter columns that are linked in sequence by dividing plate, the top of San Ge teeter column is provided with flocculation agent throwing device, magnetic throwing device, flocculating agent feeding device successively, and flocculation agent throwing device, magnetic throwing device, flocculating agent feeding device are controlled by electric control unit respectively; Magnetic throwing device is connected with magnetic powder recovering device.
4. pit water magnetically separating and purifying processing and utilizing system according to claim 1 and 2, is characterized in that: preliminary precipitation is provided with machines for mud clearage in pond.
5. pit water magnetically separating and purifying processing and utilizing system according to claim 3, is characterized in that: preliminary precipitation is provided with machines for mud clearage in pond.
6. pit water magnetically separating and purifying processing and utilizing system according to claim 5, is characterized in that: described electric control unit is connected by cable with machines for mud clearage, the second under meter, flocculation agent throwing device, flocculating agent feeding device, coagulation whipping appts, magnetic separating device, magnetic filter, liquidometer, lift pump, filtration unit, magnetic throwing device, magnetic powder recovering device and coal slime press filtration unit in first flow meter, the pre-throwing device of flocculation agent, preliminary precipitation pond respectively.
CN201320477369.2U 2013-08-07 2013-08-07 Mine water magnetic separation, purification treatment and utilization system Expired - Fee Related CN203392974U (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105540768A (en) * 2015-12-10 2016-05-04 江苏源泰恒环境工程有限公司 Coal mine wastewater water treatment system having high-efficiency magnetic drum separator
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
CN108017220A (en) * 2018-02-01 2018-05-11 安徽理工大学 A kind of Intellectual water treatment system for being suitable for magnetic water treatment agent and recycling
CN108107185A (en) * 2017-11-29 2018-06-01 中国神华能源股份有限公司 Purification of mine drainage experiment test device and its test method
CN110372071A (en) * 2019-08-02 2019-10-25 江苏天鑫中冶环保设备有限公司 A kind of mine water for underground coal mine Magneto separate water body purification Processes and apparatus
CN110627329A (en) * 2019-11-12 2019-12-31 中央民族大学 Carbon source concentration and recycling method for urban domestic sewage
CN111689638A (en) * 2020-06-12 2020-09-22 成都环能德美环保装备制造有限公司 Cofferdam construction wastewater treatment process
CN112174271A (en) * 2020-11-04 2021-01-05 中建环能科技股份有限公司 Magnetic separation automatic control system for treating initial rainwater
CN114249482A (en) * 2021-12-16 2022-03-29 山东东山新驿煤矿有限公司 Double-layer underground water treatment system

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105540768A (en) * 2015-12-10 2016-05-04 江苏源泰恒环境工程有限公司 Coal mine wastewater water treatment system having high-efficiency magnetic drum separator
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
CN108107185A (en) * 2017-11-29 2018-06-01 中国神华能源股份有限公司 Purification of mine drainage experiment test device and its test method
CN108107185B (en) * 2017-11-29 2020-07-14 中国神华能源股份有限公司 Mine water purification experiment testing device and testing method thereof
CN108017220A (en) * 2018-02-01 2018-05-11 安徽理工大学 A kind of Intellectual water treatment system for being suitable for magnetic water treatment agent and recycling
CN110372071A (en) * 2019-08-02 2019-10-25 江苏天鑫中冶环保设备有限公司 A kind of mine water for underground coal mine Magneto separate water body purification Processes and apparatus
CN110627329A (en) * 2019-11-12 2019-12-31 中央民族大学 Carbon source concentration and recycling method for urban domestic sewage
CN111689638A (en) * 2020-06-12 2020-09-22 成都环能德美环保装备制造有限公司 Cofferdam construction wastewater treatment process
CN112174271A (en) * 2020-11-04 2021-01-05 中建环能科技股份有限公司 Magnetic separation automatic control system for treating initial rainwater
CN114249482A (en) * 2021-12-16 2022-03-29 山东东山新驿煤矿有限公司 Double-layer underground water treatment system

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