CN106865822A - Integrated purification of mine drainage system - Google Patents

Integrated purification of mine drainage system Download PDF

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Publication number
CN106865822A
CN106865822A CN201710168523.0A CN201710168523A CN106865822A CN 106865822 A CN106865822 A CN 106865822A CN 201710168523 A CN201710168523 A CN 201710168523A CN 106865822 A CN106865822 A CN 106865822A
Authority
CN
China
Prior art keywords
water
mine drainage
drainage system
integrated purification
mine
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
Application number
CN201710168523.0A
Other languages
Chinese (zh)
Inventor
周建民
付永胜
付开旭
蒋幕飞
周高峰
孙姬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chengdu Jing Jing Intelligent Environmental Protection Technology Co Ltd
Southwest Jiaotong University
Original Assignee
Chengdu Jing Jing Intelligent Environmental Protection Technology Co Ltd
Southwest Jiaotong University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chengdu Jing Jing Intelligent Environmental Protection Technology Co Ltd, Southwest Jiaotong University filed Critical Chengdu Jing Jing Intelligent Environmental Protection Technology Co Ltd
Priority to CN201710168523.0A priority Critical patent/CN106865822A/en
Publication of CN106865822A publication Critical patent/CN106865822A/en
Pending legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water, or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F2001/007Processes including a sedimentation step
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/10Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00General aspects of water treatment
    • C02F2301/08Multistage treatments, e.g. repetition of the same process step under different conditions
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/04Disinfection

Abstract

The invention discloses a kind of integrated purification of mine drainage system, the system includes the pipe-line mixer, grid reaction flocculation basin, the reverse sedimentation basin of high density, valveless filtering pool and the clear water reserviors that are sequentially communicated from the front to the back;Waste water of mine sequentially enters pipe-line mixer, grid reaction flocculation basin, removes silt, suspension and heavy metal ion, flow automatically again into the reverse sedimentation basin of high density, suspension in removal purified water A, gravity flow enters valveless filtering pool, and gravity flow enters clear water reserviors after removing small suspension and microorganism.The integrated purification of mine drainage system, saving energy consumption, with less water inlet energy consumption and saving washing water quantity, efficiency high, capacity utilization is higher, and floor space is smaller;Construction is reasonable, and operational management is convenient.

Description

Integrated purification of mine drainage system
Technical field
The invention belongs to technical field of sewage, and in particular to a kind of integrated purification of mine drainage system.
Background technology
Mine water is processed it and recycled as a kind of valuable water resource, there is good economic benefit, ring Border benefit and social benefit.
In the prior art, purified treatment is carried out to mine water first, then sofening treatment is carried out to the water after purification, its In, the method for water demineralization has ion-exchange, electroosmose process, reverse osmosis method.
But prior art is complicated to the handling process of mine water, high energy consumption, and processing cost is higher.
The content of the invention
Present invention aim to address above mentioned problem, there is provided the integrated purification of mine drainage that a kind of construction is reasonable, energy consumption is low System.
In order to solve the above technical problems, the technical scheme is that:A kind of integrated purification of mine drainage system, the system Including be sequentially communicated from the front to the back pipe-line mixer, grid reaction flocculation basin, the reverse sedimentation basin of high density, valveless filtering pool and Clear water reserviors;
The system is comprised the following steps:
S1:Waste water of mine enters pipe-line mixer, mixing is contacted with the composite flocculation agent of pipe-line mixer is added, during stop Between 5~8s, 0.7~1.0m/h of flow velocity;
S2:Waste water of mine enters grid reaction flocculation basin by flowing automatically after pipe-line mixer, in net reaction flocculation basin In the presence of grid and vortex, fully reacted with flocculant, 8~15min of residence time, 0.1~0.15m/h of flow velocity is obtained Obtain purified water A;
S3:Purified water A gravity flows enter the reverse sedimentation basin of high density, and the suspension in removal purified water A obtains purified water B;
S4:Purified water B gravity flows enter valveless filtering pool, and gravity flow enters clear water reserviors after removing small suspension and microorganism.
Preferably, the pipe-line mixer includes being respectively arranged at two ends with the pipeline body of water inlet and delivery port, Yi Jigu Due to several shaftless screws turbulent flow piece on the pipeline body inner surface, the spiral side of two neighboring shaftless screw turbulent flow piece To conversely, being additionally provided with chemical feed pipe on the pipeline body wall.
Preferably, the system also includes flocculating agent feeding device, and flocculating agent feeding device is connected with chemical feed pipe.
Preferably, the system also includes sterilizing equipment decontaminating apparatus, and the sterilizing equipment decontaminating apparatus is arranged between valveless filtering pool and clear water reserviors.
Preferably, the grid reaction flocculation basin includes several grid flocculation pool units, each grid flocculation pool unit Use side rotary stream water intake mode.
Preferably, in the step S3, purified water A enters the reverse sedimentation basin of high density, high density through the gravity flow of water distribution tracery wall Reverse sedimentation basin uses lower anisotropic flow fluidised form, i.e., water-out manners above of intaking below.
Preferably, multilayer filter material layer is provided with valveless filtering pool, filter material layer includes being from top to bottom active carbon layer, anthracite Layer, quartz sand layer, filter material layer have supporting layer, and the activated carbon particle size of the active carbon layer filling is 2~4mm, anthracite coal measure The anthracite granule size of filling is 1~2mm, and the quartz sand particle size of quartz sand layer filling is 1~2mm.
Preferably, air purge system is also set up in the valveless filtering pool, it is automatic using carbonated drink backwash.
Preferably, the composite flocculation agent is formed by silicate-base flocculant and anionic PAM compounding.
The integrated purification of mine drainage system that the present invention is provided has the advantages that:
(1), it is combined with waterpower flocculation using waterpower mixing, saving energy consumption, waterpower mixing and waterpower flocculation are entirely profit Mixing, reaction are realized with hydromechanical principle and flocculated, be provided without mechanical mixture and mechanic whirl-nett reaction, saved electric energy Consumption..
(2), very energy-conservation, with less water inlet energy consumption and saves washing water quantity:The system pipeline internal mixer is Shaftless screw structure, does not set flow-stopping plate and deflector, makes into water loss of flood peak reduction.Air water backwash simultaneously is employed in system, Backwash water 20~30% can be saved.
(3), efficiently, coagulation clarification and the notable filtering layer of filtering purifying water effect rinse quick clean.
(4), using reverse water distribution mode, capacity utilization is higher, and floor space is smaller.
(5) it is reasonable, to construct, and dexterously three-dimensional organic assembling is integrally for coagulation clarification and filtering technique.
(6), operational management is convenient, and integrated purification of mine drainage system operation is that auto-programming is operated or manually, management is more It is convenient.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of integration purification of mine drainage system of the invention;
Fig. 2 is the structural representation of pipe-line mixer in the present invention.
Description of reference numerals:1st, pipeline body;2nd, water inlet;3rd, delivery port;4th, shaftless screw turbulent flow piece;Chemical feed pipe.
Specific embodiment
The present invention is described further with specific embodiment below in conjunction with the accompanying drawings:
As shown in figure 1, a kind of integrated purification of mine drainage system of the invention, the system including being sequentially communicated from the front to the back Pipe-line mixer, grid reaction flocculation basin, the reverse sedimentation basin of high density, valveless filtering pool and clear water reserviors;
The system is comprised the following steps that:
S1:Waste water of mine enters pipe-line mixer, mixing is contacted with the composite flocculation agent of pipe-line mixer is added, during stop Between 5~8s, 0.7~1.0m/h of flow velocity;
S2:Waste water of mine enters grid reaction flocculation basin by flowing automatically after pipe-line mixer, in net reaction flocculation basin In the presence of grid and vortex, fully reacted with flocculant, 8~15min of residence time, 0.1~0.15m/h of flow velocity is obtained Obtain purified water A;
S3:Purified water A gravity flows enter the reverse sedimentation basin of high density, and the suspension in removal purified water A obtains purified water B;
S4:Purified water B gravity flows enter valveless filtering pool, and gravity flow enters clear water reserviors after removing small suspension and microorganism.
As shown in Fig. 2 pipe-line mixer, including pipeline body 1, pipeline body 1 is respectively arranged at two ends with water inlet 2 and goes out The mouth of a river 3.Several shaftless screws turbulent flow piece 4, two neighboring shaftless screw turbulent flow are also fixed with the inner surface of pipeline body 1 The hand of spiral of piece 4 is opposite.Chemical feed pipe 5 is additionally provided with the wall of pipeline body 1.
In the present embodiment, the global shape of pipeline body 1 is cylinder, water inlet 2 and the junction of pipeline body 1, is Inclined-plane tangent line and horizontal direction are coniform in 45 ° of angles.The junction of delivery port 3 and pipeline body 1, the company with water inlet 2 It is the symmetrical setting of minute surface to meet place.The junction of the delivery port 3 of above-mentioned water inlet 2/ contributes to the entry/exit of current in coniform.Nothing The quantity of axle spiral turbulence piece 4 is two, and the hand of spiral of two shaftless screw turbulent flow pieces 4 is opposite.Chemical feed pipe 5 is located at two nothings Between axle spiral turbulence piece 4.Horizontal median axis of the lower end of chemical feed pipe 5 slightly above pipeline body 1.
What deserves to be explained is, the quantity of shaftless screw turbulent flow piece 4 does not have special any limitation, can be according to actual conditions Set accordingly.Additionally, the position of the shape of pipeline body and chemical feed pipe is also not necessarily limited to the present embodiment, can carry out corresponding Improvement.Mixing tube logos and utensils inside is shaftless screw structure, does not set flow-stopping plate and deflector, is made into water loss of flood peak reduction, Water inlet energy consumption is small.The shaftless screw turbulent flow piece hand of spiral is conversely, the effect of water medicine mixing can further be strengthened simultaneously.The pipeline is mixed Compared with the prior art, overall structure is simple, is skillfully constructed, with water medicine mixing efficiency higher for clutch.
The system also includes flocculating agent feeding device and sterilizing equipment decontaminating apparatus, and flocculating agent feeding device is connected with chemical feed pipe 5, disappears Malicious equipment is arranged between valveless filtering pool and clear water reserviors.Grid reaction flocculation basin includes several grid flocculation pool units, each Grid flocculation pool unit uses side rotary stream water intake mode.It is provided with multilayer filter material layer in valveless filtering pool, filter material layer is included from upper To it is lower be active carbon layer, anthracite coal measure, quartz sand layer, filter material layer has supporting layer, the activated carbon particle size of active carbon layer filling It is 2~4mm, the anthracite granule size of anthracite coal measure filling is 1~2mm, and the quartz sand particle size of quartz sand layer filling is 1~2mm.This In embodiment, filter material layer total height is 1.2m, and activated carbon is highly 400mm, and anthracite is highly 400mm, and quartz sand layer is highly It is 400mm.Support layer height is 300mm, and supporting layer is filled using this area conventional fillers, is not particularly limited, such as Cobblestone of conventional ratio etc..Rate of filtration 8m/h.Air purge system is also set up in valveless filtering pool, it is automatic using carbonated drink backwash. Composite flocculation agent is formed by silicate-base flocculant and anionic PAM compounding.In step S3, purified water A through water distribution tracery wall from Stream enters the reverse sedimentation basin of high density, and the reverse sedimentation basin of high density uses lower anisotropic flow fluidised form, i.e., water side above of intaking below Formula.
The concrete technology flow process to integration purification of mine drainage system of the invention is described further below, with further Displaying advantages of the present invention and principle:
Waste water of mine enters pipe-line mixer, and the composite flocculation agent for being added with pipe-line mixer dosing mouth first is contacted, It is sufficiently mixed in pipe-line mixer.Pipe-line mixer inside can make water shape using shaftless screw turbulent flow chip architecture, this structure It is thoroughly mixed into sufficient turbulent flow, but it is smaller than the conventional pipelines blender loss of flood peak.5~8 seconds residence times, flow velocity 0.7~ 1.0m/h。
Enter grid reaction flocculation basin by flowing automatically after pipe-line mixer mixing, in grid reaction flocculation basin grid and vortex In the presence of, waste water of mine is fully reacted with flocculant, the double electrical layerses of compressing grains, make ζ under silicate-base effect Current potential reduction particle is de- steady, in the presence of model ylid bloom action power, is formed than larger cluster of grains, in macromolecule space structure Under effect, adsorption particle group forms the bigger more closely knit particulate matter for being easy to precipitation.Each grid wadding of grid reaction flocculation basin Solidifying pool unit all flows into water using side rotary, and pond turning uses arcuate structure, in the effect that eddy flow waterpower and arcuate structure flow backwards Under, swirling body and Internet contact that vortex rises or falls are formed, make the turbulence level of water more preferably, particle is several with interparticle contact Rate is bigger, makes flocculation tank capacity utilization higher.8~15 minutes residence times, 0.1~0.15m/h of flow velocity.Operation master Remove silt, suspension and heavy metal ion.
Flow automatically by water distribution tracery wall by the mixture of abundant reaction and enter the reverse sedimentation basin of high density, high density is inversely sunk Shallow lake pond uses lower anisotropic flow fluidised form, and water outlet above of intaking below inside sets inclined tube, and inclined tube uses fiberglass inclined tube, and intensity is stronger, It is not easily blocked and deforms, high density reactors inclined tube high-pressure washing system setting up and down, for periodic flushing inclined tube, improves inclined tube Water passing capacity.The operation mainly removes suspension in water removal.
Waste water of mine after potassium permanganate composites treatment, gravity flow enters valveless filtering pool, and valveless filtering pool uses many metafiltration Material filtration system, valveless filtering pool sets air purge system, and automatic using carbonated drink backwash, rate of filtration 8m/h is passed through through filtering out water Cross sterilizing equipment decontaminating apparatus and enter clear water reserviors.The operation mainly removes small suspension and microorganism.
The reverse sedimentation basin of grid reaction flocculation basin, high density, valveless filtering pool are generated/filtered in above-mentioned operation sediment, The sludge material that suspension is formed discharges each pond body, and recycling is carried out as tailing heap.
In sum, the integrated purification of mine drainage system that the present invention is provided, is mutually tied using waterpower mixing with waterpower flocculation Close, saving energy consumption, waterpower mixing and waterpower flocculation are entirely to utilize hydromechanical principle to realize mixing, reaction and flocculate, not Using mechanical mixture and mechanic whirl-nett reaction, the consumption of electric energy has been saved;Very energy-conservation, with less water inlet energy consumption and saving Washing water quantity:The system pipeline internal mixer is shaftless screw structure, does not set flow-stopping plate and deflector, is made into the water loss of flood peak Reduce.Air water backwash simultaneously is employed in system, backwash water 20~30% can be saved;Efficiently, coagulation clarification and filtering water purification Effect is significant filtering layer rinses quick clean;Using reverse water distribution mode, capacity utilization is higher, and floor space is smaller;Construction is closed Reason, dexterously three-dimensional organic assembling is integrally for coagulation clarification and filtering technique;Using high effective and modified inclined tube material, spoil disposal is more thorough Bottom, anti-clogging;Operational management is convenient, and integrated purification of mine drainage system operation is that auto-programming is operated or manually, managed more square Just.
One of ordinary skill in the art will be appreciated that embodiment described here is to aid in reader and understands this hair Bright principle, it should be understood that protection scope of the present invention is not limited to such especially statement and embodiment.This area Those of ordinary skill can according to these technical inspirations disclosed by the invention make it is various do not depart from essence of the invention other are each Plant specific deformation and combine, these deformations and combination are still within the scope of the present invention.

Claims (9)

1. a kind of integrated purification of mine drainage system, it is characterised in that:The system includes that the pipeline being sequentially communicated from the front to the back is mixed Clutch, grid reaction flocculation basin, the reverse sedimentation basin of high density, valveless filtering pool and clear water reserviors;
The system uses following processing step:
S1:Waste water of mine enters pipe-line mixer, and mixing, residence time 5 are contacted with the composite flocculation agent of pipe-line mixer is added ~8s, 0.7~1.0m/h of flow velocity;
S2:Waste water of mine enters grid reaction flocculation basin, the grid in net reaction flocculation basin by flowing automatically after pipe-line mixer In the presence of vortex, fully reacted with flocculant, 8~15min of residence time, 0.1~0.15m/h of flow velocity, obtained net Change water A;
S3:Purified water A gravity flows enter the reverse sedimentation basin of high density, and the suspension in removal purified water A obtains purified water B;
S4:Purified water B gravity flows enter valveless filtering pool, and gravity flow enters clear water reserviors after removing small suspension and microorganism.
2. integrated purification of mine drainage system according to claim 1, it is characterised in that:The pipe-line mixer includes two End is respectively equipped with the pipeline body (1) of water inlet (2) and delivery port (3), and is fixed on the pipeline body (1) inner surface Several shaftless screws turbulent flow piece (4), the hand of spiral of two neighboring shaftless screw turbulent flow piece (4) is conversely, the pipeline sheet Chemical feed pipe (5) is additionally provided with body (1) wall.
3. integrated purification of mine drainage system according to claim 2, it is characterised in that:The system is also thrown including flocculant Feeder apparatus, flocculating agent feeding device is connected with chemical feed pipe (5).
4. integrated purification of mine drainage system according to claim 1, it is characterised in that:The system also sets including sterilization Standby, the sterilizing equipment decontaminating apparatus is arranged between valveless filtering pool and clear water reserviors.
5. integrated purification of mine drainage system according to claim 1, it is characterised in that:The grid reaction flocculation basin bag Several grid flocculation pool units are included, each grid flocculation pool unit uses side rotary stream water intake mode.
6. integrated purification of mine drainage system according to claim 1, it is characterised in that:In the step S3, purified water A Enter the reverse sedimentation basin of high density through the gravity flow of water distribution tracery wall, the reverse sedimentation basin of high density uses lower anisotropic flow fluidised form, i.e., enter below Face water-out manners waterborne.
7. integrated purification of mine drainage system according to claim 1, it is characterised in that:Many metafiltration are provided with valveless filtering pool The bed of material, filter material layer includes being from top to bottom active carbon layer, anthracite coal measure, quartz sand layer, and filter material layer has supporting layer, the work Property layer of charcoal filling activated carbon particle size be 2~4mm, anthracite coal measure filling anthracite granule size be 1~2mm, quartz sand layer filling Quartz sand particle size be 1~2mm.
8. integrated purification of mine drainage system according to claim 1, it is characterised in that:Also set up in the valveless filtering pool Gas-washing device, it is automatic using carbonated drink backwash.
9. according to any described integrated purification of mine drainage systems of claim 1-8, it is characterised in that:The composite flocculation agent Formed by silicate-base flocculant and anionic PAM compounding.
CN201710168523.0A 2017-03-21 2017-03-21 Integrated purification of mine drainage system Pending CN106865822A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710168523.0A CN106865822A (en) 2017-03-21 2017-03-21 Integrated purification of mine drainage system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710168523.0A CN106865822A (en) 2017-03-21 2017-03-21 Integrated purification of mine drainage system

Publications (1)

Publication Number Publication Date
CN106865822A true CN106865822A (en) 2017-06-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710168523.0A Pending CN106865822A (en) 2017-03-21 2017-03-21 Integrated purification of mine drainage system

Country Status (1)

Country Link
CN (1) CN106865822A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112794496A (en) * 2020-12-25 2021-05-14 国家能源投资集团有限责任公司 Method and system for removing suspended matters and recycling coal slime from mine water

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112794496A (en) * 2020-12-25 2021-05-14 国家能源投资集团有限责任公司 Method and system for removing suspended matters and recycling coal slime from mine water

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