CN106927639B - Ecological treatment system for acid mine wastewater - Google Patents
Ecological treatment system for acid mine wastewater Download PDFInfo
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- CN106927639B CN106927639B CN201710265027.7A CN201710265027A CN106927639B CN 106927639 B CN106927639 B CN 106927639B CN 201710265027 A CN201710265027 A CN 201710265027A CN 106927639 B CN106927639 B CN 106927639B
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- 239000002351 wastewater Substances 0.000 title claims abstract description 75
- 239000002253 acid Substances 0.000 title claims abstract description 72
- 239000004575 stone Substances 0.000 claims abstract description 66
- 239000010902 straw Substances 0.000 claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000000463 material Substances 0.000 claims abstract description 26
- 230000000813 microbial Effects 0.000 claims abstract description 23
- 239000002245 particle Substances 0.000 claims abstract description 8
- 239000000919 ceramic Substances 0.000 claims description 30
- 241000196324 Embryophyta Species 0.000 claims description 23
- 244000005700 microbiome Species 0.000 claims description 22
- 238000001914 filtration Methods 0.000 claims description 11
- 239000000945 filler Substances 0.000 claims description 9
- 238000003763 carbonization Methods 0.000 claims description 6
- 238000007873 sieving Methods 0.000 claims description 6
- 238000010000 carbonizing Methods 0.000 claims description 4
- PZZYQPZGQPZBDN-UHFFFAOYSA-N Aluminium silicate Chemical compound O=[Al]O[Si](=O)O[Al]=O PZZYQPZGQPZBDN-UHFFFAOYSA-N 0.000 claims description 3
- 239000005995 Aluminium silicate Substances 0.000 claims description 3
- 240000000218 Cannabis sativa Species 0.000 claims description 3
- 241000218645 Cedrus Species 0.000 claims description 3
- 240000008436 Ipomoea aquatica Species 0.000 claims description 3
- 235000019004 Ipomoea aquatica Nutrition 0.000 claims description 3
- 241000209082 Lolium Species 0.000 claims description 3
- 240000008158 Salix babylonica Species 0.000 claims description 3
- 235000002493 Salix babylonica Nutrition 0.000 claims description 3
- 240000008529 Triticum aestivum Species 0.000 claims description 3
- 240000008042 Zea mays Species 0.000 claims description 3
- 235000002017 Zea mays subsp mays Nutrition 0.000 claims description 3
- 235000012211 aluminium silicate Nutrition 0.000 claims description 3
- 235000005822 corn Nutrition 0.000 claims description 3
- 235000005824 corn Nutrition 0.000 claims description 3
- 239000004021 humic acid Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 239000011435 rock Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000010802 sludge Substances 0.000 claims description 3
- 239000002699 waste material Substances 0.000 claims description 3
- 235000021307 wheat Nutrition 0.000 claims description 3
- 235000003417 Plumeria rubra f acutifolia Nutrition 0.000 claims description 2
- 244000040691 Plumeria rubra f. acutifolia Species 0.000 claims description 2
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 5
- 238000004065 wastewater treatment Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 239000002893 slag Substances 0.000 abstract description 4
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 230000001954 sterilising Effects 0.000 abstract 1
- 238000004659 sterilization and disinfection Methods 0.000 abstract 1
- 235000019738 Limestone Nutrition 0.000 description 4
- 230000002378 acidificating Effects 0.000 description 4
- 239000006028 limestone Substances 0.000 description 4
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 3
- 235000015450 Tilia cordata Nutrition 0.000 description 3
- 235000011941 Tilia x europaea Nutrition 0.000 description 3
- 239000004571 lime Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000003472 neutralizing Effects 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 240000008886 Ceratonia siliqua Species 0.000 description 1
- 240000007427 Erythrina variegata Species 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000005591 charge neutralization Effects 0.000 description 1
- 238000009388 chemical precipitation Methods 0.000 description 1
- 244000195896 dadap Species 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 230000001264 neutralization Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water, or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/286—Treatment of water, waste water, or sewage by sorption using natural organic sorbents or derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
Abstract
The invention relates to an ecological treatment system for acid mine wastewater, and belongs to the technical field of wastewater treatment. Aiming at the problems that the amount of slag is large, secondary pollution is easily caused and the treatment efficiency is low in the current acid mine wastewater treatment process, the invention reduces the heavy metal content of the acid mine wastewater through the stone crushing pool, adjusts the pH value of the acid mine wastewater, further absorbs heavy metal in the acid mine wastewater through slow flow of the acid mine wastewater by using plants, utilizes partial sulfate radicals in the acid mine wastewater, performs microbial treatment on the microbial pool through the microbial pool to improve the pH value, improves the water quality through the absorption and adsorption effects of trees and carbonized straw particles, and finally performs sterilization and water quality improvement on the treated water quality by using a medical stone filter material valve, thereby establishing an ecological treatment system for effectively solving the problem of pollution-free acid mine wastewater. The invention has strong applicability and no secondary pollution.
Description
Technical Field
The invention relates to an ecological treatment system for acid mine wastewater, and belongs to the technical field of wastewater treatment.
Background
In recent years, the exploitation of mineral resources is increased in China, but the treatment of acid mine wastewater does not reach the due degree. The acidic mine wastewater has low pH value and large acidity, contains a large amount of heavy metals, can not be directly recycled, and is usually discharged into water bodies such as rivers, lakes and the like near mines, so that the pH value of the water body is changed, the growth of bacteria and microorganisms is inhibited or prevented, and the self-purification of the water body is hindered.
However, due to various historical and realistic reasons, the environmental protection of mines lags behind the production development, and the main problems of the mine are large external interference, poor pollution control effect, low utilization rate of environmental protection facilities and the like. If a general industrial wastewater treatment method is adopted, the investment is large, the cost is high, and the practicability is poor, so that water resources cannot be fully utilized. At present, a plurality of methods for treating the wastewater at home and abroad, such as a chemical precipitation method, an adsorption method and the like. The neutralization precipitation method is mostly applied, and common neutralizing agents include lime, limestone, soda, caustic alkali and the like. Limestone used as a neutralizing agent has the advantages of low cost, low water content of slag, easiness in dehydration and the like, but the reaction speed is low, so the limestone is often used in series with lime. The method for treating the acid mine wastewater by using lime and limestone has strong adaptability, but has large slag amount, easy secondary pollution and low treatment efficiency.
Disclosure of Invention
The invention mainly solves the technical problems that: aiming at the problems that the slag amount is large, secondary pollution is easy to cause and the treatment efficiency is low in the current acid mine wastewater treatment process.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the utility model provides an ecological treatment system of acid mine waste water, strains slope, microorganism pond, ceramic filter core valve, trees and strains slope, carbonization straw pond, medical stone filter material valve and send water slope, its characterized in that including cistern, rubble pond, PP filter core valve, plant: acid mine wastewater is stored in a reservoir, when the acid mine wastewater is treated, the acid mine wastewater firstly enters a gravel pool, the acid mine wastewater is stirred and mixed for 10-15 min at a speed of 120r/min in the gravel pool, after standing for 40-50 min, a PP filter element valve falls and is opened, the acid mine wastewater in the gravel pool enters a microorganism pool through a plant filter slope, the acid mine wastewater in the microorganism pool is stirred for 15-20 min at a speed of 150r/min in the microorganism pool, after standing for 2-4 h, a ceramic filter element valve is opened, the acid mine wastewater in the microorganism pool enters a carbonized straw pool through a tree filter slope, and after the carbonized straw pool stands for 3-4 h, the treated acid mine wastewater is discharged through a water conveying slope through a medical stone valve.
The water storage tank is 10-12 m away from the ground, the gravel tank is located below the water storage tank, the height of the gravel tank is 1.0-1.5 m, the distance between the microbial pool and the ground is 6-8 m, the height of the microbial pool is 2.0-2.5 m, the distance between the straw tank and the ground is 3-5 m, and the height of the straw tank is 1.5-2.0 m.
The slope of the plant filtering slope is 15-20 degrees, the planting method of the plants on the plant filtering slope is that water spinach seeds, mountain bitter grass seeds and ryegrass seeds are mixed according to the mass ratio of 3:1:2, 12-15 g of the mixture is planted on the plant filtering slope, and the plants can be used after being planted for 1-2 months.
The filler in the crushed stone pool is formed by putting flint rock, diatomite and kaolin into a crusher according to the mass ratio of 5:2:3 to be crushed, sieving the crushed materials with a 50-mesh sieve, and collecting sieved particles.
The filler in the microbial pool is formed by mixing pool sludge with the water content of 50%, waste mushroom sticks and humic acid according to the mass ratio of 7:2: 3.
The filler in the carbonized straw pool is prepared by putting wheat straws and corn straws into a crusher according to the mass ratio of 1:1, crushing, sieving with a 100-mesh sieve, putting the sieved particles into a carbonization furnace, carbonizing at 320 ℃ for 2-3 h, and collecting carbide.
The slope of the tree filtering slope is 25-30 degrees, and the trees on the tree filtering slope are any one of cedar, weeping willow, pagoda tree and erythrina indica; the slope of the water supply slope is 35-40 degrees.
The length of the PP filter element valve is 1.5 times of the height of the gravel pool, the PP filter element valve consists of a lower-part green stone plate and an upper-part PP filter core plate, the length ratio of the green stone plate to the PP filter core plate is 3:1, the top of the lower-part green stone plate of the PP filter element valve and the top of the gravel pool are in the same horizontal plane when the gravel pool treats the acidic mine wastewater, and the PP filter element valve falls to the top of the PP filter core plate on the upper part of the PP filter element valve and the top of the gravel pool are in the same horizontal plane after the gravel pool treats the acidic mine wastewater.
The length of the ceramic filter element valve is 1.2 times of the height of the microbial pool, the ceramic filter element valve is composed of a lower green stone plate and an upper ceramic filter core plate, the length ratio of the green stone plate to the ceramic filter element is 2:1, when the microbial pool treats acid mine wastewater, the top of the lower green stone plate of the ceramic filter element valve and the top of the microbial pool are in the same horizontal plane, and after the microbial pool treats the acid mine wastewater, the ceramic filter element valve falls to the top of the upper ceramic filter core plate of the ceramic filter element valve and the top of the microbial pool are in the same horizontal plane.
The length of the medical stone filter material valve is 1.5 times of the height of the carbonized straw pool, the medical stone filter material valve is composed of a lower green stone plate and an upper medical stone filter plate, the length ratio of the green stone plate to the medical stone filter material plate is 2:3, when the carbonized straw pool treats acid mine wastewater, the top of the lower green stone plate of the medical stone filter material valve and the top of the carbonized straw pool are in the same horizontal plane, and after the carbonized straw pool treats the acid mine wastewater, the medical stone filter material valve falls to the top of the upper medical stone filter plate of the medical stone filter material valve and the top of the carbonized straw pool are in the same horizontal plane.
The invention has the beneficial effects that:
(1) according to the invention, the heavy metal content of the acid mine wastewater is reduced through the rubble pool, the pH value of the acid mine wastewater is adjusted, then the plants are used for further absorbing heavy metals in the acid mine wastewater through slow flow of the acid mine wastewater, part of sulfate radicals in the acid mine wastewater are used, then the microorganism pool is subjected to microorganism treatment through the microorganism pool, the pH value is increased, the water quality is improved through the absorption and adsorption effects of trees and carbonized straw particles, and finally the treated water quality is sterilized and improved through the medical stone filter material valve, so that the treatment efficiency is improved, the applicability is strong, and no secondary pollution is caused;
(2) the invention integrates environmental benefits, economic benefits and social benefits into a whole, is simple and convenient, is convenient to operate and manage, and has high treatment efficiency;
(3) the acidic mine wastewater treated by the method can reach the comprehensive sewage discharge standard.
Drawings
FIG. 1 is a schematic diagram of an ecological treatment system for acid mine wastewater.
Wherein, 1, a water reservoir; 2. a gravel pool; 3. a PP cartridge valve; 4. filtering slopes by plants; 5. a microbial pool; 6. a ceramic filter element valve; 7. filtering slopes of trees; 8. carbonizing the straw pool; 9. a medical stone filter material valve; 10. and (5) water supply slope.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model provides an ecological treatment system of acid mine waste water, strains slope 4, microorganism pond 5, ceramic filter core valve 6, trees and strains slope 7, carbonization straw pond 8, medical stone filter material valve 9 and send water slope 10, its characterized in that including cistern 1, rubble pond 2, PP filter core valve 3, plant: acid mine wastewater is stored in a water storage tank 1, when the acid mine wastewater is treated, the acid mine wastewater firstly enters a gravel pool 2, the acid mine wastewater in the gravel pool 2 is stirred and mixed for 10-15 min at a speed of 120r/min, after standing for 40-50 min, a PP filter element valve 3 falls and is opened, the acid mine wastewater in the gravel pool 2 enters a microorganism pool 5 through a plant filter slope 4, the acid mine wastewater in the microorganism pool 5 is stirred for 15-20 min at a speed of 150r/min, after standing for 2-4 h, a ceramic filter element valve 6 is opened, the acid mine wastewater in the microorganism pool 5 enters a carbonized straw pool 8 through a tree filter slope 7, after the carbonized straw pool 8 stands for 3-4 h, the treated acid mine wastewater is discharged through a medical stone filter material valve 9 and a water delivery slope 10. Reservoir 1 apart from ground 10 ~ 12m, rubble pond 2 is located reservoir 1 below, rubble pond 2 highly is 1.0 ~ 1.5m, microorganism pond 5 is apart from ground 6 ~ 8m, microorganism pond 5 highly is 2.0 ~ 2.5m, straw pond 8 is apart from ground 3 ~ 5m, straw pond 8 highly is 1.5 ~ 2.0 m. The slope of the plant filter slope 4 is 15-20 degrees, the planting method of the plants on the plant filter slope 4 is that water spinach seeds, mountain bitter grass seeds and ryegrass seeds are mixed according to the mass ratio of 3:1:2, the mixed seeds are planted on the plant filter slope 4 according to 12-15 g per square, and the plant filter slope 4 can be used after being planted for 1-2 months. The filler in the crushed stone pool 2 is formed by putting flint rock, diatomite and kaolin into a crusher according to the mass ratio of 5:2:3 to be crushed, sieving with a 50-mesh sieve, and collecting sieved particles. The filler in the microbial pool 5 is formed by mixing pond sludge with the water content of 50%, waste mushroom sticks and humic acid according to the mass ratio of 7:2: 3. The filler in the carbonized straw pool 8 is prepared by putting wheat straws and corn straws into a crusher according to the mass ratio of 1:1, crushing, sieving with a 100-mesh sieve, putting the sieved particles into a carbonization furnace, carbonizing at 320 ℃ for 2-3 h, and collecting carbide. The slope of the tree filtering slope 7 is 25-30 degrees, and the trees on the tree filtering slope 7 are any one of cedar, weeping willow, locust tree and erythrina; the slope of the water supply slope 10 is 35-40 degrees. The length of the PP filter element valve 3 is 1.5 times of the height of the gravel pool 2, the PP filter element valve 3 is composed of a lower green stone plate and an upper PP filter core plate, the length ratio of the green stone plate to the PP filter core plate is 3:1, when the gravel pool 2 treats acid mine wastewater, the top of the lower green stone plate of the PP filter element valve 3 and the top of the gravel pool 2 are in the same horizontal plane, and after the gravel pool 2 treats the acid mine wastewater, the PP filter element valve 3 falls to the position that the top of the upper PP filter core plate of the PP filter element valve 3 and the top of the gravel pool 2 are in the same horizontal plane. The length of the ceramic filter element valve 6 is 1.2 times of the height of the microbial pool 5, the ceramic filter element valve 6 is composed of a lower green stone plate and an upper ceramic filter core plate, the length ratio of the green stone plate to the ceramic filter core is 2:1, when the microbial pool 5 treats acid mine wastewater, the top of the lower green stone plate of the ceramic filter element valve 6 and the top of the microbial pool 5 are in the same horizontal plane, and after the microbial pool 5 treats the acid mine wastewater, the ceramic filter element valve 6 falls to the top of the upper ceramic filter core plate of the ceramic filter element valve 6 and the top of the microbial pool 5 are in the same horizontal plane. The length of the medical stone filter material valve 9 is 1.5 times of the height of the carbonized straw pool 8, the medical stone filter material valve 9 is composed of a lower green stone plate and an upper medical stone filter plate, the length ratio of the green stone plate to the medical stone filter material plate is 2:3, when the carbonized straw pool 8 treats acid mine wastewater, the top of the lower green stone plate of the medical stone filter material valve 9 and the top of the carbonized straw pool 8 are in the same horizontal plane, and after the carbonized straw pool 8 treats the acid mine wastewater, the medical stone filter material valve 9 falls to the top of the upper medical stone filter plate of the medical stone filter material valve 9 and the top of the carbonized straw pool 8 are in the same horizontal plane.
The present invention has been further described with reference to specific embodiments, but it should be understood that the detailed description should not be construed as limiting the spirit and scope of the present invention, and various modifications made to the above-described embodiments by those of ordinary skill in the art after reading this specification are within the scope of the present invention.
Claims (10)
1. The utility model provides an ecological treatment system of acid mine waste water, strains slope (4), microorganism pond (5), ceramic filter core valve (6), trees including cistern (1), rubble pond (2), PP filter core valve (3), plant, strains slope (7), carbonization straw pond (8), medical stone filter material valve (9) and send water slope (10), its characterized in that: acid mine wastewater is stored in a water storage tank (1), when the acid mine wastewater is treated, the acid mine wastewater firstly enters a crushed stone pool (2), the acid mine wastewater in the crushed stone pool (2) is stirred and mixed for 10-15 min at a speed of 120r/min, the PP filter element valve (3) falls and is opened after standing for 40-50 min, the acid mine wastewater in the crushed stone pool (2) enters a microorganism pool (5) through a plant filter slope (4), the acid mine wastewater in the microorganism pool (5) is stirred for 15-20 min at a speed of 150r/min, after standing for 2-4 h, a ceramic filter element valve (6) is opened, the acid mine wastewater in the microorganism pool (5) enters a carbonized straw pool (8) through a tree filter slope (7), and after standing for 3-4 h in the carbonized straw pool (8), the treated acid mine wastewater is discharged through a medical stone filter material valve (9) and a water delivery slope (10).
2. The ecological treatment system for the acid mine wastewater according to claim 1, characterized in that: cistern (1) apart from ground 10 ~ 12m, rubble pond (2) are located cistern (1) below, rubble pond (2) highly is 1.0 ~ 1.5m, microorganism pond (5) are apart from ground 6 ~ 8m, microorganism pond (5) highly is 2.0 ~ 2.5m, straw pond (8) are apart from ground 3 ~ 5m, straw pond (8) highly is 1.5 ~ 2.0 m.
3. The ecological treatment system for the acid mine wastewater according to claim 1, characterized in that: the slope of the plant filter slope (4) is 15-20 degrees, the planting method of the plants on the plant filter slope (4) is that water spinach seeds, mountain bitter grass seeds and ryegrass seeds are mixed according to the mass ratio of 3:1:2, the mixed seeds are planted on the plant filter slope (4) according to 12-15 g per square, and the plant filter slope (4) can be used after 1-2 months of planting.
4. The ecological treatment system for the acid mine wastewater according to claim 1, characterized in that: the filler in the crushed stone pool (2) is formed by putting flint rock, diatomite and kaolin into a crusher according to the mass ratio of 5:2:3 to be crushed, sieving with a 50-mesh sieve, and collecting sieved particles.
5. The ecological treatment system for the acid mine wastewater according to claim 1, characterized in that: the filler in the microorganism pool (5) is formed by mixing pond sludge with the water content of 50%, waste mushroom sticks and humic acid according to the mass ratio of 7:2: 3.
6. The ecological treatment system for the acid mine wastewater according to claim 1, characterized in that: the filler in the carbonized straw pool (8) is prepared by putting wheat straws and corn straws into a crusher according to the mass ratio of 1:1, crushing, sieving with a 100-mesh sieve, putting the sieved particles into a carbonization furnace, carbonizing at 320 ℃ for 2-3 h, and collecting carbide.
7. The ecological treatment system for the acid mine wastewater according to claim 1, characterized in that: the slope of the tree filtering slope (7) is 25-30 degrees, and the trees on the tree filtering slope (7) are any one of cedar, weeping willow, pagodatree and sea tree; the gradient of the water supply slope (10) is 35-40 degrees.
8. The ecological treatment system for the acid mine wastewater according to claim 1, characterized in that: the length of the PP filter element valve (3) is 1.5 times of the height of the gravel pool (2), the PP filter element valve (3) is composed of a lower green stone plate and an upper PP filter core plate, the length ratio of the green stone plate to the PP filter core plate is 3:1, when the gravel pool (2) treats acid mine wastewater, the top of the lower green stone plate of the PP filter element valve (3) and the top of the gravel pool (2) are in the same horizontal plane, and after the gravel pool (2) treats the acid mine wastewater, the PP filter element valve (3) falls to the top of the upper PP filter core plate and the top of the gravel pool (2) are in the same horizontal plane.
9. The ecological treatment system for the acid mine wastewater according to claim 1, characterized in that: the length of the ceramic filter element valve (6) is 1.2 times of the height of the microbial pool (5), the ceramic filter element valve (6) is composed of a lower green stone plate and an upper ceramic filter element plate, the length ratio of the green stone plate to the ceramic filter element is 2:1, when the microbial pool (5) treats acid mine wastewater, the top of the lower green stone plate of the ceramic filter element valve (6) and the top of the microbial pool (5) are in the same horizontal plane, and after the microbial pool (5) treats the acid mine wastewater, the ceramic filter element valve (6) falls to the top of the upper ceramic filter element plate and the top of the microbial pool (5) are in the same horizontal plane.
10. The ecological treatment system for the acid mine wastewater according to claim 1, characterized in that: the length of the medical stone filter material valve (9) is 1.5 times of the height of the carbonized straw pool (8), the medical stone filter material valve (9) is composed of a lower green stone plate and an upper medical stone filter plate, the length ratio of the green stone plate to the medical stone filter material plate is 2:3, when the carbonized straw pool (8) treats acid mine wastewater, the top of the lower green stone plate of the medical stone filter material valve (9) and the top of the carbonized straw pool (8) are in the same horizontal plane, and after the carbonized straw pool (8) treats the acid mine wastewater, the medical stone filter material valve (9) falls to the top of the upper medical stone filter plate and the top of the carbonized straw pool (8) are in the same horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710265027.7A CN106927639B (en) | 2017-04-21 | 2017-04-21 | Ecological treatment system for acid mine wastewater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710265027.7A CN106927639B (en) | 2017-04-21 | 2017-04-21 | Ecological treatment system for acid mine wastewater |
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| Publication Number | Publication Date |
|---|---|
| CN106927639A CN106927639A (en) | 2017-07-07 |
| CN106927639B true CN106927639B (en) | 2020-08-04 |
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| CN201710265027.7A Active CN106927639B (en) | 2017-04-21 | 2017-04-21 | Ecological treatment system for acid mine wastewater |
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| CN113526790A (en) * | 2021-07-21 | 2021-10-22 | 上海市政工程设计研究总院（集团）有限公司 | Anaerobic remediation system and treatment method for mine wastewater |
| CN113754183A (en) * | 2021-08-12 | 2021-12-07 | 广州市佳境水处理技术工程有限公司 | Passive biological treatment system for acid mine wastewater |
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| CN102701545A (en) * | 2012-06-28 | 2012-10-03 | 贵州师范大学 | System for auxiliarily treating acid mine waste water by utilizing stepped interception dams and process thereof |
| CN202643439U (en) * | 2012-05-03 | 2013-01-02 | 重庆大学 | Mountain city constructed wetland sewage treatment system capable of controlling methane emission |
| CN105986566A (en) * | 2015-01-29 | 2016-10-05 | 重庆任甲生物科技有限公司 | Method for multifunctional ecological control through sponge |
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| CN202643439U (en) * | 2012-05-03 | 2013-01-02 | 重庆大学 | Mountain city constructed wetland sewage treatment system capable of controlling methane emission |
| CN102701534A (en) * | 2012-06-25 | 2012-10-03 | 西安科技大学 | Ecological treatment method for acid mine water of coal mine |
| CN102701545A (en) * | 2012-06-28 | 2012-10-03 | 贵州师范大学 | System for auxiliarily treating acid mine waste water by utilizing stepped interception dams and process thereof |
| CN105986566A (en) * | 2015-01-29 | 2016-10-05 | 重庆任甲生物科技有限公司 | Method for multifunctional ecological control through sponge |
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