CN202705184U - Coal mine area wastewater treating and reusing system - Google Patents
Coal mine area wastewater treating and reusing system Download PDFInfo
- Publication number
- CN202705184U CN202705184U CN 201220186229 CN201220186229U CN202705184U CN 202705184 U CN202705184 U CN 202705184U CN 201220186229 CN201220186229 CN 201220186229 CN 201220186229 U CN201220186229 U CN 201220186229U CN 202705184 U CN202705184 U CN 202705184U
- Authority
- CN
- China
- Prior art keywords
- water
- drainage pipeline
- water inlet
- port
- storage device
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses a coal mine area wastewater treating and reusing system, belongs to technical field of water treatment, and relates to a system for treating mine water. At present, the mine water is not adequately treated and reused, and not all wastewater in mine areas is treated and reused. The coal mine area wastewater treating and reusing system comprises a clean mine-water reusing subsystem, a high-salinity mine-water treating and reusing subsystem, an acid mine-water reusing subsystem, a suspended solids-containing mine-water reusing subsystem, a coal-washing wastewater reusing subsystem and a domestic wastewater treating and reusing subsystem. All the reusing subsystems are linked with and complement one another, thereby achieving reusing of all industrial wastewater and domestic wastewater in the mine areas and realizing a technical effect of zero discharge of coal mine area wastewater. The system is simple in structure, thereby reducing construction and operation costs for parts of wastewater treatment facilities.
Description
[technical field]
The utility model belongs to water-treatment technology field, especially relates to a kind of system that pit water is processed
[background technology]
The well industrial and mineral has quite a few mine can produce the pit water of different qualities in mining process, as: common mine water, highly-mineralized mine water, acid mine water, special contamination pit water.These pit waters generally all can not the direct circulation utilization, directly enters environment as just not processing, and can endanger environment.And simultaneously, the colliery the production links such as digging, conveying, coal washing, plantation in mining area, environmental sanitation and worker's bathing with during to spray dust suppression, cleaned coal washing, bathing and life and drink and need to supply a large amount of water.Such row one confession, therefore the two-way consumption that has strengthened water resources, be back to the mining area various uses after treatment with pit water, coal washing waste water, the sanitary sewage that produces, and is the measure of a protection of the environment, saving water resource.
But at present to the treatment and reuse of pit water Shortcomings part also, its weak point is: after pit water is processed in the reuse of a certain link or several links; Not yet whole sewage in mining area carried out treatment and reuse.
[summary of the invention]
Task of the present utility model provides a kind of Coal Mine waste water treating and reutilizing system.Make full scale production waste water and the sanitary sewage fully recovering of its Coal Mine, realize the Coal Mine sewage zero-discharge.
The technical solution of the utility model is as follows:
A kind of Coal Mine waste water treating and reutilizing system includes clean pit water reuse subsystem 1, highly-mineralized mine water is processed reuse subsystem 2, acid mine water reuse subsystem 3, mine water containing suspended substances reuse subsystem 4, coal washing waste water reuse subsystem 5,
Include water burst cut-off equipment 101 in the described clean pit water reuse subsystem 1, filtering basin 102, sterilizing unit 103, domestic water water storage device 104, municipal water use water storage device 105,
Described water burst cut-off equipment 101 is arranged on getting working face, be connected with drainage pipeline between the water inlet of the water port of its water burst cut-off equipment 101 and filtering basin 102, be connected with drainage pipeline between the water inlet of the water port of filtering basin 102 and sterilizing unit 103, be connected with drainage pipeline between the first row mouth of a river of sterilizing unit 103 and the water inlet of domestic water water storage device 104, simultaneously, be connected with drainage pipeline between the water inlet of the second row mouth of a river of sterilizing unit 103 and municipal water use water storage device 105;
Described highly-mineralized mine water is processed in the reuse subsystem 2 and is included water burst aggregating apparatus 201, coagulative precipitation tank 202, and filtering basin 203, adsorption unit 204, sterilizing unit 205, down-hole spray watering water storage device 210,
Described water burst aggregating apparatus 201 is arranged on getting working face, is connected with drainage pipeline between the water inlet of the water port of water burst aggregating apparatus 201 and coagulative precipitation tank 202,
Be connected with drainage pipeline between the water inlet of the water port of coagulative precipitation tank 202 and filtering basin 203,
Be connected with drainage pipeline between the water inlet of the water port of filtering basin 203 and adsorption unit 204,
Be connected with drainage pipeline between the water inlet of the water port of adsorption unit 204 and sterilizing unit 205,
The first row mouth of a river that arranges on the sterilizing unit 205 and down-hole spray are sprinkled water and are connected with drainage pipeline between the water inlet of water storage device 210,
Include water burst aggregating apparatus 301 in the described acid mine water reuse subsystem 3, neutralization tank 302,
Described water burst aggregating apparatus 301 is arranged on getting working face, is connected with drainage pipeline between the water inlet of the water port of water burst aggregating apparatus 301 and neutralization tank 302,
In the described mine water containing suspended substances reuse subsystem 4, include water burst aggregating apparatus 401, coagulative precipitation tank 402, filtering basin 403, sterilizing unit 404,
Described water burst aggregating apparatus 401 is arranged on getting working face, is connected with drainage pipeline between the water inlet of the water port of its water burst aggregating apparatus 401 and coagulative precipitation tank 402,
Be connected with drainage pipeline between the water inlet of the water port of coagulative precipitation tank 402 and filtering basin 403,
Be connected with drainage pipeline between the first row mouth of a river of filtering basin 403 and the water inlet of sterilizing unit 404,
In the described coal washing waste water reuse subsystem 5, include coal washing water water storage device 501, coal washing waste water aggregating apparatus 502, coal washing waste water settler 503,
Its coal washing water water storage device 501 is arranged on down-hole or aboveground coal storage working face, and the water inlet of coal washing waste water aggregating apparatus 502 is arranged on the lower position of coal washing water water storage device 501,
Be connected with drainage pipeline between the water inlet of the water port of coal washing waste water aggregating apparatus 502 and coal washing waste water settler 503,
Be connected with drainage pipeline between the water inlet of the water port of coal washing waste water settler 503 and coal washing water water storage device 501,
Its special feature is: highly-mineralized mine water is processed in the reuse subsystem 2 and also is provided with degree of depth coagulative precipitation tank 206, filtering basin 207, infrared disinfection device 208, reverse osmosis membrane processing device 209;
Be connected with drainage pipeline between the second row mouth of a river that arranges on the sterilizing unit 205 and the water inlet of municipal water use water storage device 105,
Be connected with drainage pipeline between the 3rd water port that arranges on the described sterilizing unit 205 and the water inlet of degree of depth coagulative precipitation tank 206,
Be connected with drainage pipeline between the water inlet of the water port of degree of depth coagulative precipitation tank 206 and filtering basin 207,
Be connected with drainage pipeline between the water inlet of the water port of filtering basin 207 and infrared disinfection device 208,
Be connected with drainage pipeline between the water inlet of the water port of infrared disinfection device 208 and reverse osmosis membrane processing device 209,
Simultaneously, be connected with drainage pipeline between the water inlet of the water port of neutralization tank 302 and coagulative precipitation tank 202;
Be connected with drainage pipeline between the second row mouth of a river of filtering basin 403 and the water inlet of degree of depth coagulative precipitation tank 206;
Be connected with drainage pipeline between the first row mouth of a river of sterilizing unit 404 and the water inlet of reverse osmosis membrane processing device 209,
Be connected with drainage pipeline between the water inlet of the second row mouth of a river of sterilizing unit 404 and down-hole spray watering water storage device 210,
Be connected with drainage pipeline between the 3rd water port of sterilizing unit 404 and the water inlet of municipal water use water storage device 105;
Be connected with drainage pipeline between the first water inlet of described coal washing water water storage device 501 and the second row mouth of a river of municipal water use water storage device 105,
Be connected with drainage pipeline between the second water inlet of coal washing water water storage device 501 and the 4th water port of sterilizing unit 404,
Be connected with drainage pipeline between the 3rd water inlet of coal washing water water storage device 501 and the 4th water port of sterilizing unit 205,
Be connected with drainage pipeline between the 4th water inlet of coal washing water water storage device 501 and the 3rd water port of sterilizing unit 103.
Be connected with drainage pipeline between the water inlet of the water port of reverse osmosis membrane processing device 209 and domestic water water storage device 104,
Be connected with drainage pipeline between the water inlet of the first row mouth of a river of municipal water use water storage device 105 and down-hole spray watering water storage device 210.
In the technique scheme of the present utility model, also include life sewage treatment and reuse subsystem 6, include sewage aggregating apparatus 601 in its life sewage treatment and reuse subsystem 6, grid 602, equalizing tank 603, anaerobic pond 604, anoxic pond 605, Aerobic Pond 606, coagulative precipitation tank 607, sludge treatment pond 608
Described sewage aggregating apparatus 601 is arranged on below the grade, is connected with drainage pipeline respectively between the water port of the water inlet of sewage aggregating apparatus 601 and residential building water shoot and percolate water shoot,
Be connected with drainage pipeline between the water inlet of the water port of sewage aggregating apparatus 601 and grid 602,
Be connected with drainage pipeline between the water inlet of the water port of grid 602 and equalizing tank 603,
Be connected with drainage pipeline between the water inlet of the water port of equalizing tank 603 and anaerobic pond 604,
Be connected with drainage pipeline between the water inlet of the water port of anaerobic pond 604 and anoxic pond 605,
Be connected with drainage pipeline between the water inlet of the water port of anoxic pond 605 and Aerobic Pond 606,
Be connected with drainage pipeline between the water inlet of the water port of Aerobic Pond 606 and coagulative precipitation tank 607,
Be connected with drainage pipeline between the 5th water inlet of the water port of coagulative precipitation tank 607 and coal washing water water storage device 501,
Be connected with the spoil disposal pipeline between the mud discharging mouth of coagulative precipitation tank 607 and sludge treatment pond 608 mud inlets.
In the technique scheme of the present utility model, also include with life sewage treatment and reuse subsystem 7, substitute life sewage treatment and reuse subsystem 6, include sewage aggregating apparatus 701 in its life sewage treatment and reuse subsystem 7, grid 702, causticization pond 703, aeration tank 704, settling tank 705, sludge treatment pond 706, filtering basin 707
Its sewage aggregating apparatus 701 is arranged on below the grade, is connected with drainage pipeline respectively between the water port of the water inlet of sewage aggregating apparatus 701 and residential building water shoot and percolate water shoot,
Be connected with drainage pipeline between the water inlet of the water port of sewage aggregating apparatus 701 and grid 702,
The water port of grid 702 is positioned at the position, front upper place in causticization pond 703, is connected with the water inlet in causticization pond 703,
Be connected with drainage pipeline between the water inlet of the water port in causticization pond 703 and aeration tank 704,
Be connected with drainage pipeline between the water inlet of the water port of aeration tank 704 and settling tank 705,
Be connected with drainage pipeline between the first row mouth of a river of settling tank 705 and the water inlet of filtering basin 707,
Be connected with drainage pipeline between the water inlet of the water port of filtering basin 707 and reverse osmosis membrane processing device 209,
Connect with drainage pipeline between the 5th water-in of the second row mouth of a river of settling tank 705 and coal washing water water storage device 501,
Be connected with the spoil disposal pipeline between the mud inlet of the mud discharging mouth of settling tank 705 and sludge treatment pond 706,
Simultaneously, be connected with the spoil disposal pipeline between the sludge reflux mud inlet of the sludge reflux mud discharging mouth of sludge treatment pond 706 and aeration tank 704.
In the above-mentioned technical solutions of the utility model, produce and servicing installation for safe operation and scheduling, each drainage pipeline in clean pit water reuse subsystem 1 is provided with shut off valve; Process reuse subsystem 2, acid mine water reuse subsystem 3, mine water containing suspended substances reuse subsystem 4, coal washing waste water reuse subsystem 5 at highly-mineralized mine water, be provided with shut off valve on life sewage treatment and reuse subsystem 6 and each drainage pipeline of 7, also be provided with shut off valve on each spoil disposal pipeline.
In a kind of Coal Mine waste water treating and reutilizing described in the utility model system, determine the index and corresponding treatment process of its water quality treatment with the requirement of reuse water quality, stage treatment, respectively reuse, advanced treatment then when needing high-quality water, then simple and easy processing when not needing high-quality water is satisfied the water requirement and is got final product.Water quality treatment to be reaching reuse water quality as standard, rather than to reach pollutant emission standard be sole criterion, because these waste water want reuse to need not to efflux, thereby also do not affect environment.Compare with focusing on merely, reduced Facilities Construction, working cost that part of contaminated water is processed.Simultaneously, each other contact complements one another between each reuse subsystem; Both can complement one another to water consumption, when remedying regeneration effluent and supplying water with water because of the different imbalances that produce in production season; Namely satisfy production, living needs, saved again water resources, protected environment.Integral body has realized whole utilizations and the mining area sewage zero-discharge of waste water.
The beneficial effects of the utility model are as follows: owing to use technique scheme, reached the fully recovering to Coal Mine full scale production waste water and sanitary sewage, realized the technique effect of Coal Mine sewage zero-discharge.It is simple in structure.
[description of drawings]
Fig. 1 is the two dimensional structure schematic diagram of first embodiment of the utility model.
Fig. 2 is the two dimensional structure schematic diagram of second embodiment of the utility model.
[embodiment]
Embodiment 1
In a kind of Coal Mine waste water treating and reutilizing shown in Figure 1 system, include clean pit water reuse subsystem 1, highly-mineralized mine water processing reuse subsystem 2, acid mine water reuse subsystem 3, mine water containing suspended substances reuse subsystem 4, coal washing waste water reuse subsystem 5 and life sewage treatment and reuse subsystem 6
Include water burst cut-off equipment 101 in the described clean pit water reuse subsystem 1, filtering basin 102, sterilizing unit 103, domestic water water storage device 104, municipal water use water storage device 105,
Described water burst cut-off equipment 101 is arranged on getting working face, be connected with drainage pipeline between the water inlet of the water port of its water burst cut-off equipment 101 and filtering basin 102, be connected with drainage pipeline between the water inlet of the water port of filtering basin 102 and sterilizing unit 103, be connected with drainage pipeline between the first row mouth of a river of sterilizing unit 103 and the water inlet of domestic water water storage device 104, simultaneously, be connected with drainage pipeline between the water inlet of the second row mouth of a river of sterilizing unit 103 and municipal water use water storage device 105; Be connected with drainage pipeline between the water inlet of the water port of domestic water water storage device 104 and bathroom facilities 1601,
Described highly-mineralized mine water is processed in the reuse subsystem 2 and is included water burst aggregating apparatus 201, coagulative precipitation tank 202 and sludge treatment pond, and filtering basin 203, adsorption unit 204, sterilizing unit 205, down-hole spray watering water storage device 210,
Described water burst aggregating apparatus 201 is arranged on getting working face, is connected with drainage pipeline between the water inlet of the water port of water burst aggregating apparatus 201 and coagulative precipitation tank 202,
Be connected with drainage pipeline between the water inlet of the water port of coagulative precipitation tank 202 and filtering basin 203,
Be connected with the spoil disposal pipeline between the mud discharging mouth of coagulative precipitation tank 202 and the mud inlet of sludge treatment pond,
Be connected with drainage pipeline between the water inlet of the water port of filtering basin 203 and adsorption unit 204,
Be connected with drainage pipeline between the water inlet of the water port of adsorption unit 204 and sterilizing unit 205,
The first row mouth of a river that arranges on the sterilizing unit 205 and down-hole spray are sprinkled water and are connected with drainage pipeline between the water inlet of water storage device 210,
Include water burst aggregating apparatus 301 in the described acid mine water reuse subsystem 3, neutralization tank 302,
Described water burst aggregating apparatus 301 is arranged on getting working face, is connected with drainage pipeline between the water inlet of the water port of water burst aggregating apparatus 301 and neutralization tank 302,
In the described mine water containing suspended substances reuse subsystem 4, include water burst aggregating apparatus 401, coagulative precipitation tank 402 and sludge treatment pond, filtering basin 403, sterilizing unit 404,
Described water burst aggregating apparatus 401 is arranged on getting working face, is connected with drainage pipeline between the water inlet of the water port of its water burst aggregating apparatus 401 and coagulative precipitation tank 402,
Be connected with drainage pipeline between the water inlet of the water port of coagulative precipitation tank 402 and filtering basin 403,
Be connected with the spoil disposal pipeline between the mud discharging mouth of coagulative precipitation tank 402 and the mud inlet of sludge treatment pond,
Be connected with drainage pipeline between the first row mouth of a river of filtering basin 403 and the water inlet of sterilizing unit 404,
In the described coal washing waste water reuse subsystem 5, include coal washing water water storage device 501, coal washing waste water aggregating apparatus 502, coal washing waste water settler 503 and sludge treatment pond,
Its coal washing water water storage device 501 is arranged on aboveground coal storage working face, and the water inlet of coal washing waste water aggregating apparatus 502 is arranged on the lower position of coal washing water water storage device 501,
Be connected with drainage pipeline between the water inlet of the water port of coal washing waste water aggregating apparatus 502 and coal washing waste water settler 503,
Be connected with drainage pipeline between the water inlet of the water port of coal washing waste water settler 503 and coal washing water water storage device 501, be connected with the spoil disposal pipeline between the mud discharging mouth of coal washing waste water settler 503 and the mud inlet of sludge treatment pond,
Simultaneously, highly-mineralized mine water is processed in the reuse subsystem 2 and also is provided with degree of depth coagulative precipitation tank 206 and sludge treatment pond, filtering basin 207, infrared disinfection device 208, reverse osmosis membrane processing device 209;
Be connected with drainage pipeline between the second row mouth of a river that arranges on the sterilizing unit 205 and the water inlet of municipal water use water storage device 105,
Be connected with drainage pipeline between the 3rd water port that arranges on the described sterilizing unit 205 and the water inlet of degree of depth coagulative precipitation tank 206,
Be connected with drainage pipeline between the water inlet of the water port of degree of depth coagulative precipitation tank 206 and filtering basin 207,
Be connected with the spoil disposal pipeline between the mud discharging mouth of degree of depth coagulative precipitation tank 206 and the mud inlet of sludge treatment pond,
Be connected with drainage pipeline between the water inlet of the water port of filtering basin 207 and infrared disinfection device 208,
Be connected with drainage pipeline between the water inlet of the water port of infrared disinfection device 208 and reverse osmosis membrane processing device 209,
Simultaneously, be connected with drainage pipeline between the water inlet of the water port of neutralization tank 302 and coagulative precipitation tank 202;
Be connected with drainage pipeline between the second row mouth of a river of filtering basin 403 and the water inlet of degree of depth coagulative precipitation tank 206;
Be connected with drainage pipeline between the first row mouth of a river of sterilizing unit 404 and the water inlet of reverse osmosis membrane processing device 209,
Be connected with drainage pipeline between the water inlet of the second row mouth of a river of sterilizing unit 404 and down-hole spray watering water storage device 210,
Be connected with drainage pipeline between the 3rd water port of sterilizing unit 404 and the water inlet of municipal water use water storage device 105;
Be connected with drainage pipeline between the first water inlet of described coal washing water water storage device 501 and the second row mouth of a river of municipal water use water storage device 105,
Be connected with drainage pipeline between the second water inlet of coal washing water water storage device 501 and the 4th water port of sterilizing unit 404,
Be connected with drainage pipeline between the 3rd water inlet of coal washing water water storage device 501 and the 4th water port of sterilizing unit 205,
Be connected with drainage pipeline between the 4th water inlet of coal washing water water storage device 501 and the 3rd water port of sterilizing unit 103.
Be connected with drainage pipeline between the water port of reverse osmosis membrane processing device 209 and domestic water water storage device 104 water inlets,
Be connected with drainage pipeline between the water inlet of the first row mouth of a river of municipal water use water storage device 105 and down-hole spray watering water storage device 210.
In the described life sewage treatment and reuse subsystem 6, include sewage aggregating apparatus 601, grid 602, equalizing tank 603, anaerobic pond 604, anoxic pond 605, Aerobic Pond 606, coagulative precipitation tank 607, sludge treatment pond 608,
Described sewage aggregating apparatus 601 is arranged on below the grade, is connected with drainage pipeline respectively between the water port of the water inlet of sewage aggregating apparatus 601 and residential building water shoot and percolate water shoot,
Be connected with drainage pipeline between the water inlet of the water port of sewage aggregating apparatus 601 and grid 602,
Be connected with drainage pipeline between the water inlet of the water port of grid 602 and equalizing tank 603,
Be connected with drainage pipeline between the water inlet of the water port of equalizing tank 603 and anaerobic pond 604,
Be connected with drainage pipeline between the water inlet of the water port of anaerobic pond 604 and anoxic pond 605,
Be connected with drainage pipeline between the water inlet of the water port of anoxic pond 605 and Aerobic Pond 606,
Be connected with drainage pipeline between the water inlet of the water port of Aerobic Pond 606 and coagulative precipitation tank 607,
Be connected with drainage pipeline between the 5th water inlet of the water port of coagulative precipitation tank 607 and coal washing water water storage device 501,
Be connected with the spoil disposal pipeline between the mud discharging mouth of coagulative precipitation tank 607 and sludge treatment pond 608 mud inlets.
In the above-mentioned technical solutions of the utility model, produce and servicing installation for safe operation and scheduling, be provided with shut off valve on each drainage pipeline, also be provided with shut off valve on each spoil disposal pipeline.
A kind of Coal Mine waste water treating and reutilizing described in the utility model system, determine the index and corresponding treatment process of its water quality treatment with the requirement of reuse water quality, stage treatment, respectively reuse, advanced treatment then when needing high-quality water, then simple and easy processing when not needing high-quality water is satisfied the water requirement and is got final product.Because these waste water want reuse to need not to efflux, thereby also do not affect environment.Compare with focusing on merely, reduced Facilities Construction, working cost that part of contaminated water is processed.Simultaneously, each other contact both can complement one another to water consumption between each reuse subsystem, when remedying regeneration effluent and supplying water with water because of the different imbalances that produce in production season; Namely satisfy production, living needs, saved again water resources, protected environment.Integral body has realized whole utilizations and the mining area sewage zero-discharge of waste water.
In a kind of Coal Mine waste water treating and reutilizing shown in Figure 2 system, include clean pit water reuse subsystem 1, highly-mineralized mine water processing reuse subsystem 2, acid mine water reuse subsystem 3, mine water containing suspended substances reuse subsystem 4, coal washing waste water reuse subsystem 5 and life sewage treatment and reuse subsystem 7
Include water burst cut-off equipment 101 in the described clean pit water reuse subsystem 1, filtering basin 102, sterilizing unit 103, domestic water water storage device 104, municipal water use water storage device 105,
Described water burst cut-off equipment 101 is arranged on getting working face, be connected with drainage pipeline between the water inlet of the water port of its water burst cut-off equipment 101 and filtering basin 102, be connected with drainage pipeline between the water inlet of the water port of filtering basin 102 and sterilizing unit 103, be connected with drainage pipeline between the first row mouth of a river of sterilizing unit 103 and the water inlet of domestic water water storage device 104, simultaneously, be connected with drainage pipeline between the water inlet of the second row mouth of a river of sterilizing unit 103 and municipal water use water storage device 105; Be connected with drainage pipeline between the water inlet of the water port of domestic water water storage device 104 and bathroom facilities 1601,
Described highly-mineralized mine water is processed in the reuse subsystem 2 and is included water burst aggregating apparatus 201, coagulative precipitation tank 202 and sludge treatment pond, and filtering basin 203, adsorption unit 204, sterilizing unit 205, down-hole spray watering water storage device 210,
Described water burst aggregating apparatus 201 is arranged on getting working face, is connected with drainage pipeline between the water inlet of the water port of water burst aggregating apparatus 201 and coagulative precipitation tank 202,
Be connected with drainage pipeline between the water inlet of the water port of coagulative precipitation tank 202 and filtering basin 203,
Be provided with the spoil disposal pipeline between the mud discharging mouth of coagulative precipitation tank 202 and the mud inlet of sludge treatment pond,
Be connected with drainage pipeline between the water inlet of the water port of filtering basin 203 and adsorption unit 204,
Be connected with drainage pipeline between the water inlet of the water port of adsorption unit 204 and sterilizing unit 205,
The first row mouth of a river that arranges on the sterilizing unit 205 and down-hole spray are sprinkled water and are connected with drainage pipeline between the water inlet of water storage device 210,
Include water burst aggregating apparatus 301 in the described acid mine water reuse subsystem 3, neutralization tank 302,
Described water burst aggregating apparatus 301 is arranged on getting working face, is connected with drainage pipeline between the water inlet of the water port of water burst aggregating apparatus 301 and neutralization tank 302,
In the described mine water containing suspended substances reuse subsystem 4, include water burst aggregating apparatus 401, coagulative precipitation tank 402 and sludge treatment pond, filtering basin 403, sterilizing unit 404,
Described water burst aggregating apparatus 401 is arranged on getting working face, is connected with drainage pipeline between the water inlet of the water port of its water burst aggregating apparatus 401 and coagulative precipitation tank 402,
Be connected with drainage pipeline between the water inlet of the water port of coagulative precipitation tank 402 and filtering basin 403,
Be connected with the spoil disposal pipeline between the mud discharging mouth of coagulative precipitation tank 402 and the mud inlet of sludge treatment pond,
Be connected with drainage pipeline between the first row mouth of a river of filtering basin 403 and the water inlet of sterilizing unit 404,
In the described coal washing waste water reuse subsystem 5, include coal washing water water storage device 501, coal washing waste water aggregating apparatus 502, coal washing waste water settler 503 and sludge treatment pond,
Its coal washing water water storage device 501 is arranged on aboveground coal storage working face, and the water inlet of coal washing waste water aggregating apparatus 502 is arranged on the lower position of coal washing water water storage device 501,
Be connected with drainage pipeline between the water inlet of the water port of coal washing waste water aggregating apparatus 502 and coal washing waste water settler 503,
Be connected with drainage pipeline between the water inlet of the water port of coal washing waste water settler 503 and coal washing water water storage device 501, be connected with the spoil disposal pipeline between the mud discharging mouth of coal washing waste water settler 503 and the mud inlet of sludge treatment pond,
Simultaneously, highly-mineralized mine water is processed in the reuse subsystem 2 and also is provided with degree of depth coagulative precipitation tank 206 and sludge treatment pond, filtering basin 207, infrared disinfection device 208, reverse osmosis membrane processing device 209;
Be connected with drainage pipeline between the second row mouth of a river that arranges on the sterilizing unit 205 and the water inlet of municipal water use water storage device 105,
Be connected with drainage pipeline between the 3rd water port that arranges on the described sterilizing unit 205 and the water inlet of degree of depth coagulative precipitation tank 206,
Be connected with drainage pipeline between the water inlet of the water port of degree of depth coagulative precipitation tank 206 and filtering basin 207,
Be connected with the spoil disposal pipeline between the mud discharging mouth of degree of depth coagulative precipitation tank 206 and the mud inlet of sludge treatment pond,
Be connected with drainage pipeline between the water inlet of the water port of filtering basin 207 and infrared disinfection device 208,
Be connected with drainage pipeline between the water inlet of the water port of infrared disinfection device 208 and reverse osmosis membrane processing device 209,
Simultaneously, be connected with drainage pipeline between the water inlet of the water port of neutralization tank 302 and coagulative precipitation tank 202;
Be connected with drainage pipeline between the second row mouth of a river of filtering basin 403 and the water inlet of degree of depth coagulative precipitation tank 206;
Be connected with drainage pipeline between the first row mouth of a river of sterilizing unit 404 and the water inlet of reverse osmosis membrane processing device 209,
Be connected with drainage pipeline between the water inlet of the second row mouth of a river of sterilizing unit 404 and down-hole spray watering water storage device 210,
Be connected with drainage pipeline between the 3rd water port of sterilizing unit 404 and the water inlet of municipal water use water storage device 105;
Be connected with drainage pipeline between the first water inlet of described coal washing water water storage device 501 and the second row mouth of a river of municipal water use water storage device 105,
Be connected with drainage pipeline between the second water inlet of coal washing water water storage device 501 and the 4th water port of sterilizing unit 404,
Be connected with drainage pipeline between the 3rd water inlet of coal washing water water storage device 501 and the 4th water port of sterilizing unit 205,
Be connected with drainage pipeline between the 4th water inlet of coal washing water water storage device 501 and the 3rd water port of sterilizing unit 103.
Be connected with drainage pipeline between the water port of reverse osmosis membrane processing device 209 and domestic water water storage device 104 water inlets,
Be connected with drainage pipeline between the water inlet of the first row mouth of a river of municipal water use water storage device 105 and down-hole spray watering water storage device 210.
In the described life sewage treatment and reuse subsystem 7, include sewage aggregating apparatus 701 in its life sewage treatment and reuse subsystem 7, grid 702, causticization pond 703, aeration tank 704, settling tank 705, sludge treatment pond 706, filtering basin 707,
Its sewage aggregating apparatus 701 is arranged on below the grade, is connected with drainage pipeline respectively between the water port of the water inlet of sewage aggregating apparatus 701 and residential building water shoot and percolate water shoot,
Be connected with drainage pipeline between the water inlet of the water port of sewage aggregating apparatus 701 and grid 702,
The water port of grid 702 is positioned at the position, front upper place in causticization pond 703, is connected with the water inlet in causticization pond 703,
Be connected with drainage pipeline between the water inlet of the water port in causticization pond 703 and aeration tank 704,
Be connected with drainage pipeline between the water inlet of the water port of aeration tank 704 and settling tank 705,
Be connected with drainage pipeline between the first row mouth of a river of settling tank 705 and the water inlet of filtering basin 707,
Be connected with drainage pipeline between the water inlet of the water port of filtering basin 707 and reverse osmosis membrane processing device 209,
Connect with drainage pipeline between the 5th water-in of the second row mouth of a river of settling tank 705 and coal washing water water storage device 501,
Be connected with the spoil disposal pipeline between the mud inlet of the mud discharging mouth of settling tank 705 and sludge treatment pond 706,
Simultaneously, be connected with the spoil disposal pipeline between the sludge reflux mud inlet of the sludge reflux mud discharging mouth of sludge treatment pond 706 and aeration tank 704.
In the above-mentioned technical solutions of the utility model, produce and servicing installation for safe operation and scheduling, be provided with shut off valve on each drainage pipeline, also be provided with shut off valve on each spoil disposal pipeline.
In a kind of Coal Mine waste water treating and reutilizing described in the utility model system, determine the index and corresponding treatment process of its water quality treatment with the requirement of reuse water quality, stage treatment, respectively reuse, advanced treatment then when needing high-quality water, then simple and easy processing when not needing high-quality water is satisfied the water requirement and is got final product.Water quality treatment because these waste water want reuse to need not to efflux, thereby does not affect environment to reach reuse water quality as standard yet.Compare with focusing on merely, reduced Facilities Construction, working cost that part of contaminated water is processed.Simultaneously, each other contact complements one another between each reuse subsystem; Both can complement one another to water consumption, when remedying regeneration effluent and supplying water with water because of the different imbalances that produce in production season; Namely satisfy production, living needs, saved again water resources, protected environment.Whole utilizations and the mining area sewage zero-discharge of waste water have been realized.
Claims (9)
1. Coal Mine waste water treating and reutilizing system, include clean pit water reuse subsystem (1), highly-mineralized mine water processing reuse subsystem (2), acid mine water reuse subsystem (3), mine water containing suspended substances reuse subsystem (4)
Include water burst cut-off equipment (101) in the described clean pit water reuse subsystem (1), filtering basin (102), sterilizing unit (103), domestic water water storage device (104), municipal water use water storage device (105),
Described water burst cut-off equipment (101) is arranged on getting working face, be connected with drainage pipeline between the water port of its water burst cut-off equipment (101) and the water inlet of filtering basin (102), be connected with drainage pipeline between the water port of filtering basin (102) and the water inlet of sterilizing unit (103), be connected with drainage pipeline between the first row mouth of a river of sterilizing unit (103) and the water inlet of domestic water water storage device (104), simultaneously, be connected with drainage pipeline between the water inlet of the second row mouth of a river of sterilizing unit (103) and municipal water use water storage device (105);
Described highly-mineralized mine water is processed in the reuse subsystem (2) and is included water burst aggregating apparatus (201), coagulative precipitation tank (202), filtering basin (203), adsorption unit (204), sterilizing unit (205), down-hole spray watering water storage device (210)
Described water burst aggregating apparatus (201) is arranged on getting working face, is connected with drainage pipeline between the water port of water burst aggregating apparatus (201) and the water inlet of coagulative precipitation tank (202),
Be connected with drainage pipeline between the water port of coagulative precipitation tank (202) and the water inlet of filtering basin (203),
Be connected with drainage pipeline between the water port of filtering basin (203) and the water inlet of adsorption unit (204),
Be connected with drainage pipeline between the water port of adsorption unit (204) and the water inlet of sterilizing unit (205),
The upper first row mouth of a river that arranges of sterilizing unit (205) and down-hole spray are sprinkled water and are connected with drainage pipeline between the water inlet of water storage device (210),
Include water burst aggregating apparatus (301) in the described acid mine water reuse subsystem (3), neutralization tank (302),
Described water burst aggregating apparatus (301) is arranged on getting working face, is connected with drainage pipeline between the water port of water burst aggregating apparatus (301) and the water inlet of neutralization tank (302),
In the described mine water containing suspended substances reuse subsystem (4), include water burst aggregating apparatus (401), coagulative precipitation tank (402), filtering basin (403), sterilizing unit (404),
Described water burst aggregating apparatus (401) is arranged on getting working face, is connected with drainage pipeline between the water port of its water burst aggregating apparatus (401) and the water inlet of coagulative precipitation tank (402),
Be connected with drainage pipeline between the water port of coagulative precipitation tank (402) and the water inlet of filtering basin (403),
Be connected with drainage pipeline between the first row mouth of a river of filtering basin (403) and the water inlet of sterilizing unit (404),
It is characterized in that: highly-mineralized mine water is processed in the reuse subsystem (2) and also is provided with degree of depth coagulative precipitation tank (206), filtering basin (207), infrared disinfection device (208), reverse osmosis membrane processing device (209);
Be connected with drainage pipeline between the water inlet of the upper second row mouth of a river that arranges of sterilizing unit (205) and municipal water use water storage device (105),
Be connected with drainage pipeline between the water inlet of upper the 3rd water port that arranges of described sterilizing unit (205) and degree of depth coagulative precipitation tank (206),
Be connected with drainage pipeline between the water port of degree of depth coagulative precipitation tank (206) and the water inlet of filtering basin (207),
Be connected with drainage pipeline between the water port of filtering basin (207) and the water inlet of infrared disinfection device (208),
Be connected with drainage pipeline between the water port of infrared disinfection device (208) and the water inlet of reverse osmosis membrane processing device (209),
Simultaneously, be connected with drainage pipeline between the water inlet of the water port of neutralization tank (302) and coagulative precipitation tank (202);
Be connected with drainage pipeline between the second row mouth of a river of filtering basin (403) and the water inlet of degree of depth coagulative precipitation tank (206);
Be connected with drainage pipeline between the first row mouth of a river of sterilizing unit (404) and the water inlet of reverse osmosis membrane processing device (209),
Be connected with drainage pipeline between the water inlet of the second row mouth of a river of sterilizing unit (404) and down-hole spray watering water storage device (210),
Be connected with drainage pipeline between the 3rd water port of sterilizing unit (404) and the water inlet of municipal water use water storage device (105);
Be connected with drainage pipeline between the water port of reverse osmosis membrane processing device (209) and domestic water water storage device (104) water inlet,
Be connected with drainage pipeline between the water inlet of the first row mouth of a river of municipal water use water storage device (105) and down-hole spray watering water storage device (210).
2. described a kind of Coal Mine waste water treating and reutilizing system according to claim 1 is characterized in that: also include coal washing waste water reuse subsystem (5),
In the described coal washing waste water reuse subsystem (5), include coal washing water water storage device (501), coal washing waste water aggregating apparatus (502), coal washing waste water settler (503),
Its coal washing water water storage device (501) is arranged on the coal storage working face of down-hole, and the water inlet of coal washing waste water aggregating apparatus (502) is arranged on the lower position of coal washing water water storage device (501),
Be connected with drainage pipeline between the water port of coal washing waste water aggregating apparatus (502) and the water inlet of coal washing waste water settler (503),
Be connected with drainage pipeline between the water inlet of the water port of coal washing waste water settler (503) and coal washing water water storage device (501),
Be connected with drainage pipeline between the second row mouth of a river of the first water inlet of described coal washing water water storage device (501) and municipal water use water storage device (105),
Be connected with drainage pipeline between the 4th water port of the second water inlet of coal washing water water storage device (501) and sterilizing unit (404),
Be connected with drainage pipeline between the 4th water port of the 3rd water inlet of coal washing water water storage device (501) and sterilizing unit (205),
Be connected with drainage pipeline between the 3rd water port of the 4th water inlet of coal washing water water storage device (501) and sterilizing unit (103).
3. described a kind of Coal Mine waste water treating and reutilizing system according to claim 1 is characterized in that: also include coal washing waste water reuse subsystem (5),
In the described coal washing waste water reuse subsystem (5), include coal washing water water storage device (501), coal washing waste water aggregating apparatus (502), coal washing waste water settler (503),
Its coal washing water water storage device (501) is arranged on aboveground coal storage working face, and the water inlet of coal washing waste water aggregating apparatus (502) is arranged on the lower position of coal washing water water storage device (501),
Be connected with drainage pipeline between the water port of coal washing waste water aggregating apparatus (502) and the water inlet of coal washing waste water settler (503),
Be connected with drainage pipeline between the water inlet of the water port of coal washing waste water settler (503) and coal washing water water storage device (501),
Be connected with drainage pipeline between the second row mouth of a river of the first water inlet of described coal washing water water storage device (501) and municipal water use water storage device (105),
Be connected with drainage pipeline between the 4th water port of the second water inlet of coal washing water water storage device (501) and sterilizing unit (404),
Be connected with drainage pipeline between the 4th water port of the 3rd water inlet of coal washing water water storage device (501) and sterilizing unit (205),
Be connected with drainage pipeline between the 3rd water port of the 4th water inlet of coal washing water water storage device (501) and sterilizing unit (103).
4. described a kind of Coal Mine waste water treating and reutilizing system according to claim 2, it is characterized in that: also include life sewage treatment and reuse subsystem (6), include sewage aggregating apparatus (601) in its life sewage treatment and reuse subsystem (6), grid (602), equalizing tank (603), anaerobic pond (604), anoxic pond (605), Aerobic Pond (606), coagulative precipitation tank (607), sludge treatment pond (608)
Described sewage aggregating apparatus (601) is arranged on below the grade, is connected with drainage pipeline respectively between the water port of the water inlet of sewage aggregating apparatus (601) and residential building water shoot and percolate water shoot,
Be connected with drainage pipeline between the water port of sewage aggregating apparatus (601) and the water inlet of grid (602),
Be connected with drainage pipeline between the water port of grid (602) and the water inlet of equalizing tank (603),
Be connected with drainage pipeline between the water port of equalizing tank (603) and the water inlet of anaerobic pond (604),
Be connected with drainage pipeline between the water port of anaerobic pond (604) and the water inlet of anoxic pond (605),
Be connected with drainage pipeline between the water port of anoxic pond (605) and the water inlet of Aerobic Pond (606),
Be connected with drainage pipeline between the water port of Aerobic Pond (606) and the water inlet of coagulative precipitation tank (607),
Be connected with drainage pipeline between the 5th water inlet of the water port of coagulative precipitation tank (607) and coal washing water water storage device (501),
Be connected with the spoil disposal pipeline between the mud discharging mouth of coagulative precipitation tank (607) and sludge treatment pond (608) mud inlet.
5. described a kind of Coal Mine waste water treating and reutilizing system according to claim 3, it is characterized in that: also include life sewage treatment and reuse subsystem (6), include sewage aggregating apparatus (601) in its life sewage treatment and reuse subsystem (6), grid (602), equalizing tank (603), anaerobic pond (604), anoxic pond (605), Aerobic Pond (606), coagulative precipitation tank (607), sludge treatment pond (608)
Described sewage aggregating apparatus (601) is arranged on below the grade, is connected with drainage pipeline respectively between the water port of the water inlet of sewage aggregating apparatus (601) and residential building water shoot and percolate water shoot,
Be connected with drainage pipeline between the water port of sewage aggregating apparatus (601) and the water inlet of grid (602),
Be connected with drainage pipeline between the water port of grid (602) and the water inlet of equalizing tank (603),
Be connected with drainage pipeline between the water port of equalizing tank (603) and the water inlet of anaerobic pond (604),
Be connected with drainage pipeline between the water port of anaerobic pond (604) and the water inlet of anoxic pond (605),
Be connected with drainage pipeline between the water port of anoxic pond (605) and the water inlet of Aerobic Pond (606),
Be connected with drainage pipeline between the water port of Aerobic Pond (606) and the water inlet of coagulative precipitation tank (607),
Be connected with drainage pipeline between the 5th water inlet of the water port of coagulative precipitation tank (607) and coal washing water water storage device (501),
Be connected with the spoil disposal pipeline between the mud discharging mouth of coagulative precipitation tank (607) and sludge treatment pond (608) mud inlet.
6. described a kind of Coal Mine waste water treating and reutilizing system according to claim 4, it is characterized in that: also include life sewage treatment and reuse subsystem (7), include sewage aggregating apparatus (701) in its life sewage treatment and reuse subsystem (7), grid (702), causticization pond (703), aeration tank (704), settling tank (705), sludge treatment pond (706), filtering basin (707)
Its sewage aggregating apparatus (701) is arranged on below the grade, is connected with drainage pipeline respectively between the water port of the water inlet of sewage aggregating apparatus (701) and residential building water shoot and percolate water shoot,
Be connected with drainage pipeline between the water port of sewage aggregating apparatus (701) and the water inlet of grid (702),
The water port of grid (702) is positioned at the position, front upper place in causticization pond (703), is connected with the water inlet of causticization pond (703),
Be connected with drainage pipeline between the water port in causticization pond (703) and the water inlet of aeration tank (704),
Be connected with drainage pipeline between the water port of aeration tank (704) and the water inlet of settling tank (705),
Be connected with drainage pipeline between the first row mouth of a river of settling tank (705) and the water inlet of filtering basin (707),
Be connected with drainage pipeline between the water port of filtering basin (707) and the water inlet of reverse osmosis membrane processing device (209),
Connect with drainage pipeline between the 5th water-in of the second row mouth of a river of settling tank (705) and coal washing water water storage device (501),
Be connected with the spoil disposal pipeline between the mud discharging mouth of settling tank (705) and the mud inlet of sludge treatment pond (706),
Simultaneously, be connected with the spoil disposal pipeline between the sludge reflux mud inlet of the sludge reflux mud discharging mouth of sludge treatment pond (706) and aeration tank (704).
7. described a kind of Coal Mine waste water treating and reutilizing system according to claim 5, it is characterized in that: also include life sewage treatment and reuse subsystem (7), include sewage aggregating apparatus (701) in its life sewage treatment and reuse subsystem (7), grid (702), causticization pond (703), aeration tank (704), settling tank (705), sludge treatment pond (706), filtering basin (707)
Its sewage aggregating apparatus (701) is arranged on below the grade, is connected with drainage pipeline respectively between the water port of the water inlet of sewage aggregating apparatus (701) and residential building water shoot and percolate water shoot,
Be connected with drainage pipeline between the water port of sewage aggregating apparatus (701) and the water inlet of grid (702),
The water port of grid (702) is positioned at the position, front upper place in causticization pond (703), is connected with the water inlet of causticization pond (703),
Be connected with drainage pipeline between the water port in causticization pond (703) and the water inlet of aeration tank (704),
Be connected with drainage pipeline between the water port of aeration tank (704) and the water inlet of settling tank (705),
Be connected with drainage pipeline between the first row mouth of a river of settling tank (705) and the water inlet of filtering basin (707),
Be connected with drainage pipeline between the water port of filtering basin (707) and the water inlet of reverse osmosis membrane processing device (209),
Connect with drainage pipeline between the 5th water-in of the second row mouth of a river of settling tank (705) and coal washing water water storage device (501),
Be connected with the spoil disposal pipeline between the mud discharging mouth of settling tank (705) and the mud inlet of sludge treatment pond (706),
Simultaneously, be connected with the spoil disposal pipeline between the sludge reflux mud inlet of the sludge reflux mud discharging mouth of sludge treatment pond (706) and aeration tank (704).
8. it is characterized in that: be provided with shut off valve on described each drainage pipeline according to claim 6 or 7 described a kind of Coal Mine waste water treating and reutilizing systems.
9. it is characterized in that: be provided with shut off valve on described each spoil disposal pipeline according to claim 6 or 7 described a kind of Coal Mine waste water treating and reutilizing systems.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220186229 CN202705184U (en) | 2012-04-28 | 2012-04-28 | Coal mine area wastewater treating and reusing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220186229 CN202705184U (en) | 2012-04-28 | 2012-04-28 | Coal mine area wastewater treating and reusing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202705184U true CN202705184U (en) | 2013-01-30 |
Family
ID=47585506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220186229 Expired - Fee Related CN202705184U (en) | 2012-04-28 | 2012-04-28 | Coal mine area wastewater treating and reusing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202705184U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104208946A (en) * | 2013-09-05 | 2014-12-17 | 徐州天科机械制造有限公司 | Method and equipment for directly treating water burst on coal mining work face |
| CN111392921A (en) * | 2020-05-18 | 2020-07-10 | 范誉委 | Comprehensive treatment process for coal washing wastewater and mine wastewater |
-
2012
- 2012-04-28 CN CN 201220186229 patent/CN202705184U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104208946A (en) * | 2013-09-05 | 2014-12-17 | 徐州天科机械制造有限公司 | Method and equipment for directly treating water burst on coal mining work face |
| CN104208946B (en) * | 2013-09-05 | 2015-09-09 | 徐州天科机械制造有限公司 | The direct processing method of coal-face water burst and equipment |
| CN111392921A (en) * | 2020-05-18 | 2020-07-10 | 范誉委 | Comprehensive treatment process for coal washing wastewater and mine wastewater |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204319932U (en) | A kind of three-stage filtration sewage-treatment plant | |
| CN103739107B (en) | A kind for the treatment of process of household appliances degreasing process waste water | |
| CN204138495U (en) | The water cycle make up system that a kind of sewage reclaims | |
| CN103373772A (en) | Coal mining area wastewater treatment recycling system | |
| CN204918252U (en) | Processing system who contains detergent waste water | |
| CN204874123U (en) | Quality of water clean system | |
| CN203474595U (en) | Device for recycling domestic sewage in colleges and universities | |
| CN202246341U (en) | Sewage treatment system | |
| CN202297284U (en) | Automatic control device for clean water treatment | |
| CN203845896U (en) | Integrated sewage treating and reusing system for dormitory buildings | |
| CN202705184U (en) | Coal mine area wastewater treating and reusing system | |
| CN203440156U (en) | Grey water treatment device using matrix-reinforced composite-flow constructed wetland for residence community | |
| CN203247149U (en) | Underground sewage disposal and recycling system for mine | |
| CN204111491U (en) | Aluminum Waste Water Treatment | |
| CN202139147U (en) | High-concentration organic wastewater and 1, 4-butanediol industrial wastewater treatment device | |
| CN103848537A (en) | Riverway sewage treatment device | |
| CN203079752U (en) | Ecological-type water purifying pool for wetland | |
| CN109809589A (en) | A kind of environment-friendly type urban sewage treating device | |
| CN205115235U (en) | Wastewater treatment tank | |
| CN210505897U (en) | Washing, rinsing and bathing wastewater and rainwater recovery and treatment system | |
| CN202089864U (en) | Device for recycle and treatment of reclaimed water | |
| CN103819017A (en) | Sewage treatment method and system | |
| CN202246210U (en) | Device for treating and recycling vehicle washing waste water | |
| CN203781946U (en) | Sewage treatment system | |
| CN102992488B (en) | Simple and easy water treatment recovery method of large wetland |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130130 Termination date: 20160428 |