CN107381944B - Mine water diversion advanced treatment device and treatment method thereof - Google Patents

Mine water diversion advanced treatment device and treatment method thereof Download PDF

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Publication number
CN107381944B
CN107381944B CN201710648223.2A CN201710648223A CN107381944B CN 107381944 B CN107381944 B CN 107381944B CN 201710648223 A CN201710648223 A CN 201710648223A CN 107381944 B CN107381944 B CN 107381944B
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water
mine
valve
mine water
constant
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CN107381944A (en
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王心义
夏大平
张建国
姚小平
张平卿
郭建伟
刘小满
陈国胜
张波
赵彦琦
郭晓明
郭巧玲
李建林
郑继东
黄平华
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Henan University of Technology
China Pingmei Shenma Energy and Chemical Group Co Ltd
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Henan University of Technology
China Pingmei Shenma Energy and Chemical Group Co Ltd
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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
    • C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
    • 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
    • C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
    • 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
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
    • 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
    • C02F2001/007—Processes including a sedimentation step
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/16—Nitrogen compounds, e.g. ammonia
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/20—Heavy metals or heavy metal compounds
    • 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
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/002—Construction details of the apparatus
    • C02F2201/007—Modular design
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00—General aspects of water treatment
    • C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
    • 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
    • C02F3/28—Anaerobic digestion processes
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00—Technologies for the production of fuel of non-fossil origin
    • Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel

Abstract

A mine water diversion depth treatment device comprises a primary filter tank, a centrifugal sedimentation system, a water storage transfer tank, a four-way magnetic control valve and a data acquisition control system, wherein the lower part of the primary filter tank is a natural water plant separation mechanism, the upper part of the primary filter tank is a screen rough filtering mechanism, the bottom of the primary filter tank is connected with a water inlet of the centrifugal sedimentation system through a first water pipe, and the first water pipe is provided with a first valve and a first water pump; the invention realizes the deep shunting multistage treatment of the mine water, can filter silt, coal dust and oil substances in the mine water, can filter heavy metal ions, sulfate radicals, sulfite ions, nitrate radicals and nitrite ions in the mine water through microbial treatment, has fine and perfect treatment process, adopts different microbial strains to treat and remove the heavy metal ions, has good effluent quality, improves the utilization rate by separating and utilizing water resources, and improves the treatment efficiency through shunting treatment.

Description

Mine water diversion advanced treatment device and treatment method thereof
Technical Field
The invention belongs to the technical field of coal mine underground operation equipment, and particularly relates to a mine water diversion advanced treatment device and a treatment method thereof.
Background
Water is a source of life, and water resources are the guarantee of the happy life of human society. The per capita water resource occupancy of China is only one fourth of the per capita water resource occupancy of the world, and is listed as one of 13 water-poor countries in the world by the united nations. The water shortage accounts for 71 percent of the key coal mining areas in 86 nationwide countries, the water shortage reaches 40 percent, and the problem of water resource shortage seriously restricts the development of mine production and coal industry and influences the daily life of coal workers.
Mine water in a coal mine area is discharged randomly without being treated, and obvious environmental pollution is brought, so that the problem that resource utilization is carried out after the mine water is subjected to deep treatment becomes urgent to be solved in production. At present, the deep treatment method of mine water in China comprises a solid-liquid separation method, a neutralization method, a chemical agent flocculation method, an ecological treatment method, a molecular membrane filtration method and the like, but has the problems of single mine water treatment type, complex equipment and process flow, high treatment equipment and operation cost and the like.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the mine water flow-dividing advanced treatment device and the treatment method thereof, which can realize advanced flow-dividing multi-stage treatment of the mine water, can filter silt, coal dust and oil substances in the mine water and can filter heavy metal ions, sulfate radicals, sulfite ions, nitrate radicals and nitrite ions in the mine water through microbial treatment.
In order to solve the technical problems, the invention adopts the following technical scheme: a mine water diversion depth treatment device comprises a primary filter tank, a centrifugal sedimentation system, a water storage transfer tank, a four-way magnetic control valve and a data acquisition control system, wherein the lower part of the primary filter tank is a natural water plant separation mechanism, the upper part of the primary filter tank is a screen rough filtering mechanism, the bottom of the primary filter tank is connected with a water inlet of the centrifugal sedimentation system through a first water pipe, the first water pipe is provided with a first valve and a first water pump, a water outlet of the centrifugal sedimentation system is connected with the water storage transfer tank through a water diversion pipe, the water diversion pipe is provided with a second valve, the water storage transfer tank is connected with a water inlet of the four-way magnetic control valve through a second water pipe, and an oil-water separator, a water quality monitor, a third valve and the second water pump are sequentially arranged on the second water pipe along the water flow; the data acquisition control system is respectively connected with the water quality monitor and the four-way magnetic control valve through data lines;
the first water outlet of the four-way magnetic control valve is connected with a sulfate reducing bacteria flocculation system through a third water pipe, and a fourth valve is arranged on the third water pipe; the second water outlet of the four-way magnetic control valve is connected with a denitrifying bacteria nitrogen conversion system through a fourth water pipe, and a fifth valve is arranged on the fourth water pipe; the third water outlet of the four-way magnetic control valve is connected with a methanogen degradation system through a fifth water pipe, and a sixth valve is arranged on the fifth water pipe; the sulfate reducing bacteria flocculation system is connected with the denitrifying bacteria nitrogen conversion system through a sixth water pipe, a third water pump and a seventh valve are arranged on the sixth water pipe, the denitrifying bacteria nitrogen conversion system is connected with the methanogen degradation system through a seventh water pipe, and a fourth water pump and an eighth valve are arranged on the seventh water pipe; the sulfate reducing bacteria flocculation system is connected with the methanogen degradation system through a twelfth water pipe, and an eighth water pump and a fourteenth valve are arranged on the twelfth water pipe;
the methanogen degradation system is connected with a first-stage purification reservoir through an eighth water pipe, the eighth water pipe is provided with a fifth water pump and a ninth valve, the first-stage purification reservoir is connected with a second-stage purification reservoir through a ninth water pipe, and the ninth water pipe is sequentially provided with a tenth valve, an ultrafiltration membrane system and an eleventh valve along the water flow direction;
the sulfate reducing bacteria flocculation system is connected with the first-stage purification reservoir through a tenth water pipe, a sixth water pump and a twelfth valve are arranged on the tenth water pipe, the denitrifying bacteria nitrogen conversion system is connected with the first-stage purification reservoir through an eleventh water pipe, and a seventh water pump and a thirteenth valve are arranged on the eleventh water pipe.
The sulfate reducing bacteria flocculation system, the denitrifying bacteria nitrogen conversion system and the methanogen degradation system have the same structure and comprise a constant-temperature reaction tank, wherein a membrane hanging ball is arranged in the middle of the constant-temperature reaction tank, the outer layer of the membrane hanging ball is a nylon net, and activated carbon particles are arranged inside the membrane hanging ball; a filter screen positioned at the top of the membrane hanging ball is arranged in the constant-temperature reaction tank, a glass top cover is arranged at the top of the constant-temperature reaction tank, and an air release valve and a pressure sensor are arranged on the glass top cover; a pH sensor and a pH adjusting port are arranged on the side wall of the tank body of the constant-temperature reaction tank;
the activated carbon particles in the constant-temperature reaction tank of the sulfate reducing bacteria flocculation system contain sulfate reducing bacteria microorganisms, the activated carbon particles in the constant-temperature reaction tank of the denitrifying bacteria nitrogen conversion system contain denitrifying bacteria microorganisms, and the activated carbon particles in the constant-temperature reaction tank of the methanogen degradation system contain methanogen microorganisms.
A treatment method of a mine water diversion advanced treatment device comprises the following steps:
(1) the mine water to be treated is introduced to the top of the primary filter box, the sand and coal dust in the mine water are filtered by the screen mesh coarse-filtration mechanism, the filtered mine water flows into the natural water plant barrier mechanism at the lower part of the primary filter box, and the water plants in the natural water plant barrier mechanism further adsorb the sand and coal dust in the mine water on one hand and can also adsorb heavy metal ions, sulfate radicals, sulfite ions, nitrate ions, nitrite ions and oil in part of the mine water on the other hand;
(2) then opening a first valve, starting a first water pump, pumping the treated mine water in the primary filter tank into a centrifugal sedimentation system by the first water pump, starting the centrifugal sedimentation system, and carrying out centrifugal sedimentation on the mine water by the centrifugal sedimentation system to further filter silt in the mine water;
(3) after centrifugal sedimentation, opening a second valve, allowing the mine water in the centrifugal sedimentation system to flow into the water storage transfer tank through a water conduit, and allowing the mine water to flow into the water storage transfer tank for secondary sedimentation;
(4) removing grease components in the mine water: opening a third valve, starting a second water pump, pumping the mine water in the water storage transfer tank into a second water pipe by the second water pump, wherein an oil-water separator on the second water pipe filters oil bodies in the mine water;
(5) and then the water quality monitor detects the water quality in the second water pipe, whether the concentrations of heavy metal, sulfate ions, sulfite ions, nitrate ions and nitrite ions in the mine water exceed the standard or not is detected, the water quality monitor transmits the detected data to the data acquisition control system through a data line, the data acquisition control system analyzes the data and makes corresponding instructions, and then corresponding processing is made according to the instructions.
When the concentration of the heavy metal detected by the water quality monitor exceeds the standard and other detection items meet the standard, the data acquisition control system sends an instruction to open the third water outlet of the four-way magnetic control valve, and the processing steps in the step (5) according to the instruction comprise: the mine water enters a fifth water pipe from a third water outlet of the four-way magnetic control valve, then a sixth valve on the fifth water pipe is opened, the mine water enters a constant temperature reaction tank of the methanogen degradation system, the temperature and the pH value in the constant temperature reaction tank of the methanogen degradation system are adjusted, the temperature is 35 ℃, the pH is 7, methanogen microorganisms in the methanogen degradation system absorb heavy metal ions according to the need of reproduction and growth, then the mine water in the constant temperature reaction tank of the methanogen degradation system is observed through the glass top cover, after the mine water overflows the filter screen, a fifth water pump is started, and opening the ninth valve, the tenth valve and the eleventh valve, pumping the mine water into a primary purification reservoir by a fifth water pump, sterilizing the mine water and adjusting the pH of the mine water by the primary purification reservoir, and then filtering the mine water by an ultrafiltration membrane system and then feeding the mine water into a secondary purification reservoir.
When the concentrations of sulfate ions and sulfite ions detected by the water quality monitor exceed the standard and other detection items meet the standard, the data acquisition control system sends an instruction to open the first water outlet of the four-way magnetic control valve, and the processing steps in the step (5) according to the instruction comprise: mine water enters a third water pipe from a first water outlet of the four-way magnetic control valve, then a fourth valve on the third water pipe is opened, the mine water enters a constant-temperature reaction tank of the sulfate reducing bacteria flocculation system, the temperature and the pH in the constant-temperature reaction tank of the sulfate reducing bacteria flocculation system are adjusted to enable the temperature to be 35 ℃ and the pH to be 7, sulfate reducing bacteria microorganisms in the sulfate reducing bacteria flocculation system are treated with SO4 2-、SO3 2-The method comprises the steps of taking organic matters as a carbon source and an electron donor to finally generate hydrogen sulfide, observing mine water in a constant-temperature reaction tank of a sulfate reducing bacteria flocculation system through a glass top cover, starting a sixth water pump after the mine water overflows a filter screen, opening a twelfth valve, a tenth valve and an eleventh valve, pumping the mine water into a primary purification reservoir by the sixth water pump, disinfecting the mine water and adjusting the pH of the mine water by the primary purification reservoir, and then filtering the mine water by an ultrafiltration membrane system to enter a secondary purification reservoir.
When the concentrations of the nitrate ions and the nitrite ions detected by the water quality monitor exceed the standard and other detection items meet the standard, the data acquisition control system sends an instruction to open the second water outlet of the four-way magnetic control valve, and the processing steps in the step (5) according to the instruction comprise: the mine water enters a fourth water pipe from a second water outlet of the four-way magnetic control valve, then a fifth valve on the fourth water pipe is opened, the mine water enters a constant temperature reaction tank of the denitrifying bacteria nitrogen conversion system, the temperature and the pH value in the constant temperature reaction tank of the denitrifying bacteria nitrogen conversion system are adjusted, so that the temperature is 30 ℃ and the pH value is 7, the denitrifying bacteria microorganisms in the denitrifying bacteria nitrogen conversion system convert nitrate ions and nitrite ions into nitrogen, then the mine water in the constant temperature reaction tank of the denitrifying bacteria microorganism is observed through the glass top cover, after the mine water overflows the filter screen, a seventh water pump is started, and opening a thirteenth valve, a tenth valve and an eleventh valve, pumping the mine water into a primary purification reservoir by a seventh water pump, disinfecting the mine water and adjusting the pH value of the mine water by the primary purification reservoir, and then filtering the mine water by an ultrafiltration membrane system and then feeding the mine water into a secondary purification reservoir.
When the concentrations of heavy metal, sulfate ion and nitrite ion detected by the water quality monitor exceed the standard, and the concentrations of nitrate ion and nitrite ion meet the standard, the data acquisition system sends an instruction to open the first water outlet of the four-way magnetic control valve, and the processing steps made according to the instruction in the step (5) comprise: mine water enters a third water pipe from a first water outlet of the four-way magnetic control valve, then a fourth valve on the third water pipe is opened, the mine water enters a constant-temperature reaction tank of the sulfate reducing bacteria flocculation system, the temperature and the pH in the constant-temperature reaction tank of the sulfate reducing bacteria flocculation system are adjusted to enable the temperature to be 35 ℃ and the pH to be 7, sulfate reducing bacteria microorganisms in the sulfate reducing bacteria flocculation system are treated with SO4 2-、SO3 2-Using organic matters as a carbon source and an electron donor as an electron acceptor to finally generate hydrogen sulfide, observing mine water in a constant-temperature reaction tank of a sulfate reducing bacteria flocculation system through a glass top cover, starting an eighth water pump after the mine water overflows a filter screen, opening a fourteenth valve, pumping the mine water into the constant-temperature reaction tank of a methanogen degradation system by the eighth water pump, adjusting the temperature and the pH in the constant-temperature reaction tank of the methanogen degradation system to be 35 ℃ and 7, absorbing heavy metal ions by methanogen microorganisms in the methanogen degradation system according to the requirement of reproduction and growth, observing the mine water in the constant-temperature reaction tank of the methanogen degradation system through the glass top cover, and after the mine water overflows the filter screen, finally generating hydrogen sulfideAnd starting the fifth water pump, opening the ninth valve, the tenth valve and the eleventh valve, pumping the mine water into the primary purification reservoir by the fifth water pump, sterilizing the mine water and adjusting the pH of the mine water by the primary purification reservoir, and filtering the mine water by an ultrafiltration membrane system and then feeding the mine water into the secondary purification reservoir.
When the concentrations of heavy metal, nitrate ion and nitrite ion detected by the water quality monitor exceed standards, and the concentrations of sulfate ion and sulfite ion meet standards, the data acquisition system sends an instruction to open the second water outlet of the four-way magnetic control valve, and the processing steps in the step (5) according to the instruction comprise: mine water enters a fourth water pipe from a second water outlet of the four-way magnetic control valve, a fifth valve on the fourth water pipe is opened, the mine water enters a constant-temperature reaction tank of a denitrifying bacterial nitrogen conversion system, the temperature and the pH in the constant-temperature reaction tank of the denitrifying bacterial nitrogen conversion system are adjusted to be 30 ℃ and 7, denitrifying bacterial microorganisms in the denitrifying bacterial nitrogen conversion system convert nitrate ions and nitrite ions into nitrogen, the mine water in the constant-temperature reaction tank of the denitrifying bacterial microorganisms is observed through a glass top cover, a fourth water pump is started after the mine water overflows through a filter screen, an eighth valve is opened, the mine water is pumped into the constant-temperature reaction tank of the methanogenic bacterial degradation system by the fourth water pump, the temperature and the pH in the constant-temperature reaction tank of the methanogenic bacterial degradation system are adjusted to be 35 ℃ and 7, the methanogenic bacterial microorganisms in the methanogenic bacterial degradation system absorb heavy metal ions according to the propagation and growth requirements, and then observing the mine water in a constant-temperature reaction tank of the methanogen degradation system through a glass top cover, starting a fifth water pump after the mine water overflows through a filter screen, opening a ninth valve, a tenth valve and an eleventh valve, pumping the mine water into a primary purification reservoir by the fifth water pump, disinfecting the mine water and adjusting the pH value of the mine water by the primary purification reservoir, and then filtering the mine water by an ultrafiltration membrane system and then feeding the mine water into a secondary purification reservoir.
When the water quality monitor detects that the concentrations of sulfate ions, sulfite ions and nitrate ions and nitrite ions exceed standards, the heavy metal meets the standardsAnd (3) when the four-way magnetic control valve is opened, the data acquisition system sends out an instruction to open the first water outlet of the four-way magnetic control valve, and the processing steps in the step (5) according to the instruction comprise: mine water enters a third water pipe from a first water outlet of the four-way magnetic control valve, then a fourth valve on the third water pipe is opened, the mine water enters a constant-temperature reaction tank of the sulfate reducing bacteria flocculation system, the temperature and the pH in the constant-temperature reaction tank of the sulfate reducing bacteria flocculation system are adjusted to enable the temperature to be 35 ℃ and the pH to be 7, sulfate reducing bacteria microorganisms in the sulfate reducing bacteria flocculation system are treated with SO4 2-、SO3 2-The method comprises the steps of taking organic matters as a carbon source and an electron donor as an electron acceptor, finally generating hydrogen sulfide, observing mine water in a constant-temperature reaction tank of a sulfate reducing bacteria flocculation system through a glass top cover, starting a third water pump after the mine water flows through a filter screen, opening a seventh valve, pumping the mine water into the constant-temperature reaction tank of a denitrifying bacteria nitrogen conversion system through a fourth water pump, adjusting the temperature and the pH in the constant-temperature reaction tank of the denitrifying bacteria nitrogen conversion system to be 30 ℃ and 7, converting nitrate ions and nitrite ions into nitrogen by denitrifying bacteria microorganisms in the denitrifying bacteria nitrogen conversion system, observing the mine water in the constant-temperature reaction tank of the denitrifying bacteria microorganisms through the glass top cover, starting the seventh water pump after the mine water flows through the filter screen, opening a thirteenth valve, a tenth valve and an eleventh valve, pumping the mine water into a primary purification reservoir through the seventh water pump, the primary purification reservoir disinfects the mine water and adjusts the pH value of the mine water, and then the mine water enters the secondary purification reservoir after being filtered by the ultrafiltration membrane system.
When the water quality monitor detects that the concentrations of heavy metal, sulfate ion, sulfite ion, nitrate ion and nitrite ion exceed the standard, the data acquisition system sends an instruction to open the first water outlet of the four-way magnetic control valve, and the processing steps made according to the instruction in the step (5) comprise: the mine water enters a third water pipe from a first water outlet of the four-way magnetic control valve, then a fourth valve on the third water pipe is opened, the mine water enters a constant temperature reaction tank of a sulfate reducing bacteria flocculation system, and sulfate reducing bacteria are adjustedThe temperature and the pH value in the constant temperature reaction tank of the flocculation system are controlled to be 35 ℃ and 7, and sulfate reducing bacteria microorganisms in the sulfate reducing bacteria flocculation system are in SO form4 2-、SO3 2-The method comprises the steps of taking organic matters as a carbon source and an electron donor as an electron acceptor, finally generating hydrogen sulfide, observing mine water in a constant-temperature reaction tank of a sulfate reducing bacteria flocculation system through a glass top cover, starting a third water pump after the mine water flows through a filter screen, opening a seventh valve, pumping the mine water into the constant-temperature reaction tank of a denitrifying bacteria nitrogen conversion system through a fourth water pump, adjusting the temperature and the pH in the constant-temperature reaction tank of the denitrifying bacteria nitrogen conversion system to be 30 ℃ and 7, converting nitrate ions and nitrite ions into nitrogen by denitrifying bacteria microorganisms in the denitrifying bacteria nitrogen conversion system, observing the mine water in the constant-temperature reaction tank of the denitrifying bacteria microorganisms through the glass top cover, starting the fourth water pump after the mine water flows through the filter screen, opening an eighth valve, pumping the mine water into the constant-temperature reaction tank of a methanogen degradation system through the fourth water pump, adjusting the temperature and the pH value in a constant-temperature reaction tank of the methanogen degradation system to 35 ℃ and 7, absorbing heavy metal ions by methanogen microorganisms in the methanogen degradation system according to the requirements of reproduction and growth, observing mine water in the constant-temperature reaction tank of the methanogen degradation system through a glass top cover, starting a fifth water pump after the mine water overflows a filter screen, opening a ninth valve, a tenth valve and an eleventh valve, pumping the mine water into a primary purification reservoir by a fifth water pump, sterilizing the mine water and adjusting the pH value of the mine water by the primary purification reservoir, and then filtering the mine water by an ultrafiltration membrane system and then feeding the mine water into a secondary purification reservoir.
By adopting the technical scheme, the invention has the following beneficial effects: mine water to be treated sequentially flows through a box-type screen rough filtering system, a natural aquatic plant blocking system, a centrifugal sedimentation system and a water storage middle station box; removing impurities such as silt, coal dust and the like; the effluent of the water storage intermediate station box flows through an oil-water separator; removing the mixed oil component; the effluent of the oil-water separator flows through a water quality monitor, a data acquisition and control system and a four-way magnetic control valve to realize shunting treatment; the effluent of the four-way magnetic control valve enters a sulfate reducing bacteria flocculation system, a denitrifying bacteria nitrogen conversion system and a methanogen degradation system respectively for biological treatment according to different water qualities; removing heavy metal ions, nitrate nitrogen, nitrite nitrogen and the like; after the microorganism treatment, the effluent from the methanogenesis degradation system flows through the primary purified water reservoir for disinfection and pH adjustment, can be used as water for coal washing, mine landscape water and the like, flows through the ultrafiltration membrane system, enters the secondary purified water reservoir, and can be used as domestic water in a mine. Because the treatment process is fine and perfect, different microbial strains are adopted for treating and removing heavy metal ions, the effluent quality is good, the utilization rate is improved by quality-based utilization of water resources, and the treatment efficiency is improved by flow-dividing treatment.
Drawings
FIG. 1 is a schematic structural diagram of a mine water diversion advanced treatment device in the invention;
FIG. 2 is a schematic view showing the connection of a sulfate-reducing bacteria flocculation system, a denitrifying bacteria nitrogen conversion system, and a methanogen degradation system according to the present invention.
Detailed Description
As shown in fig. 1 and 2, the mine water diversion depth treatment device of the invention comprises a preliminary filter tank, a centrifugal sedimentation system 1, a water storage transfer tank 2, a four-way magnetic control valve 3 and a data acquisition control system 4, wherein the lower part of the preliminary filter tank is provided with a natural aquatic plant separation mechanism 5, the natural aquatic plant separation mechanism 5 is a plurality of aquatic plants such as goldfish algae planted at the bottom of the preliminary filter tank, the preliminary filter tank can be made of glass, so that photosynthesis of the aquatic plants is facilitated, the upper part of the preliminary filter tank is provided with a screen rough-filtering mechanism 6, the screen rough-filtering mechanism 6 comprises four layers of filter screens which are arranged side by side up and down, the aperture of the four layers of filter screens is gradually reduced from top to bottom to reach the effect of preliminarily filtering silt in mine water, the bottom of the preliminary filter tank is connected with a water inlet of the centrifugal sedimentation system 1 through a first water pipe 7, the first water pipe 7 is provided with a first valve 8 and a first water pump, the water outlet of the centrifugal sedimentation system 1 is connected with a water storage transfer tank 2 through a water conduit 10, the water conduit 10 is provided with a second valve 11, the water storage transfer tank 2 is connected with the water inlet of a four-way magnetic control valve 3 through a second water pipe 12, and the second water pipe 12 is sequentially provided with an oil-water separator 13, a water quality monitor 14, a third valve 15 and a second water pump 16 along the water flow direction; the data acquisition control system 4 is respectively connected with the water quality monitor 14 and the four-way magnetic control valve 3 through data lines;
the first water outlet of the four-way magnetic control valve 3 is connected with a sulfate reducing bacteria flocculation system 17 through a third water pipe 18, and a fourth valve 19 is arranged on the third water pipe 18; the second water outlet of the four-way magnetic control valve 3 is connected with a denitrifying bacteria nitrogen conversion system 21 through a fourth water pipe 20, and a fifth valve 22 is arranged on the fourth water pipe 20; the third water outlet of the four-way magnetic control valve 3 is connected with a methanogen degradation system 24 through a fifth water pipe 23, and a sixth valve 25 is arranged on the fifth water pipe 23; the sulfate reducing bacteria flocculation system 17 is connected with the denitrifying bacteria nitrogen conversion system 21 through a sixth water pipe 26, a third water pump 27 and a seventh valve 28 are arranged on the sixth water pipe 26, the denitrifying bacteria nitrogen conversion system 21 is connected with the methanogen degradation system 24 through a seventh water pipe 29, and a fourth water pump 30 and an eighth valve 31 are arranged on the seventh water pipe 29; the sulfate reducing bacteria flocculation system 17 is connected with the methanogen degradation system 24 through a twelfth water pipe 32, and an eighth water pump 33 and a fourteenth valve 34 are arranged on the twelfth water pipe 32;
the methanogen degradation system 24 is connected with a primary purification reservoir 36 through an eighth water pipe 35, the primary purification reservoir 36 can be disinfected by chlorine gas, a fifth water pump 37 and a ninth valve 38 are arranged on the eighth water pipe 35, the primary purification reservoir 36 is connected with a secondary purification reservoir 40 through a ninth water pipe 39, a tenth valve 41, an ultrafiltration membrane system 42 and an eleventh valve 43 are sequentially arranged on the ninth water pipe 39 along the water flow direction, the ultrafiltration membrane system 42 adopts a tubular hollow fiber filter membrane, and the filter membrane adopts polyvinyl chloride;
the sulfate reducing bacteria flocculation system 17 is connected with the primary purification reservoir 36 through a tenth water pipe 44, a sixth water pump 45 and a twelfth valve 46 are arranged on the tenth water pipe 44, the denitrifying bacteria nitrogen conversion system 21 is connected with the primary purification reservoir 36 through an eleventh water pipe 47, and a seventh water pump 48 and a thirteenth valve 49 are arranged on the eleventh water pipe 47.
The sulfate reducing bacteria flocculation system 17, the denitrifying bacteria nitrogen conversion system 21 and the methanogen degradation system 24 have the same structure and comprise a constant-temperature reaction tank 50, wherein a membrane hanging ball 51 is arranged in the middle of the constant-temperature reaction tank 50, the outer layer of the membrane hanging ball 51 is a nylon net, and activated carbon particles are arranged inside the membrane hanging ball 51; a filter screen 52 positioned at the top of the membrane hanging ball 51 is arranged in the constant-temperature reaction tank 50, a glass top cover 53 is arranged at the top of the constant-temperature reaction tank 50, and a release valve 54 and a pressure sensor 55 are arranged on the glass top cover 53; a pH sensor 56 and a pH adjusting port are arranged on the side wall of the constant-temperature reaction tank 50, and acid and alkali chemical substances can be added into the constant-temperature reaction tank 50 through the pH adjusting port to change the pH value in the constant-temperature reaction tank 50;
wherein sulfate reducing bacteria microorganisms are contained on activated carbon particles in the constant temperature reaction tank 50 of the sulfate reducing bacteria flocculation system 17, denitrifying bacteria microorganisms are contained on activated carbon particles in the constant temperature reaction tank 50 of the denitrifying bacteria nitrogen conversion system 21, and methanogenic bacteria microorganisms are contained on activated carbon particles in the constant temperature reaction tank 50 of the methanogenic bacteria degradation system 24.
The treatment method of the mine water diversion advanced treatment device comprises the following steps:
(1) the mine water to be treated is introduced to the top of the primary filter box, silt and coal dust in the mine water are filtered by the screen coarse-filtering mechanism 6, the filtered mine water flows into the natural water plant blocking mechanism 5 at the lower part of the primary filter box, and water plants in the natural water plant blocking mechanism 5 further adsorb the silt and the coal dust in the mine water on one hand and can also adsorb heavy metal ions, sulfate radicals, sulfite ions, nitrate ions, nitrite ions and oil in the mine water on the other hand;
(2) then, opening a first valve 8, starting a first water pump 9, pumping the treated mine water in the primary filter tank into a centrifugal sedimentation system 1 by the first water pump 9, starting the centrifugal sedimentation system 1, and carrying out centrifugal sedimentation on the mine water by the centrifugal sedimentation system 1 to further filter out silt in the mine water;
(3) after centrifugal sedimentation, opening a second valve 11, allowing the mine water in the centrifugal sedimentation system 1 to flow into the water storage transfer tank 2 through a water conduit 10, and allowing the mine water to flow into the water storage transfer tank 2 for secondary sedimentation;
(4) removing grease components in the mine water: opening a third valve 15, starting a second water pump 16, pumping the mine water in the water storage transfer tank 2 into a second water pipe 12 by the second water pump 16, wherein oil-water separators 13 on the second water pipe 12 filter oil in the mine water;
(5) then the water quality monitor 14 detects the water quality in the second water pipe 12, whether the concentrations of heavy metal, sulfate ion, sulfite ion, nitrate ion and nitrite ion in the mine water exceed the standard or not is detected, the water quality monitor 14 transmits the detected data to the data acquisition control system 4 through a data line, and the data acquisition control system 4 analyzes the data and makes corresponding instructions;
when the detected concentration of the heavy metal exceeds the standard and other detection items meet the standard, the data acquisition control system 4 sends an instruction, a third water outlet of the four-way magnetic control valve 3 is opened, the mine water enters the fifth water pipe 23 from the third water outlet of the four-way magnetic control valve 3, then the sixth valve 25 on the fifth water pipe 23 is opened, the mine water enters the constant temperature reaction tank 50 of the methanogen degradation system 24, the temperature and the pH value in the constant temperature reaction tank 50 of the methanogen degradation system 24 are adjusted to 35 ℃ and 7, methanogen microorganisms in the methanogen degradation system 24 absorb heavy metal ions according to the propagation and growth requirements, then the mine water in the constant temperature reaction tank 50 of the methanogen degradation system 24 is observed through the glass top cover 53, after the mine water overflows the filter screen 52, the fifth water pump 37 is started, the ninth valve 38, the tenth valve 41 and the eleventh valve 43 are opened, the mine water is pumped into a primary purification reservoir 36 by a fifth water pump 37, the primary purification reservoir 36 disinfects the mine water and adjusts the pH value of the mine water, and then the mine water enters a secondary purification reservoir 40 after being filtered by an ultrafiltration membrane system 42;
when the detected concentrations of the sulfate ions and the sulfite ions exceed the standard and other detection items meet the standard, the data acquisition control system 4 sends an instruction to open the first water outlet of the four-way magnetic control valve 3, and mine water enters the four-way magnetic control valve 3 from the first water outletThe third water pipe 18 is opened, then the fourth valve 19 on the third water pipe 18 is opened, the mine water enters the constant temperature reaction tank 50 of the sulfate reducing bacteria flocculation system 17, the temperature and the pH value in the constant temperature reaction tank 50 of the sulfate reducing bacteria flocculation system 17 are adjusted to ensure that the temperature is 35 ℃, the pH value is 7, and sulfate reducing bacteria microorganisms in the sulfate reducing bacteria flocculation system 17 are treated by SO4 2-、SO3 2-The method comprises the steps of taking organic matters as a carbon source and an electron donor as an electron acceptor, finally generating hydrogen sulfide, observing the mine water in a constant-temperature reaction tank 50 of a sulfate reducing bacteria flocculation system 17 through a glass top cover 53, starting a sixth water pump 45 after the mine water overflows a filter screen 52, opening a twelfth valve 46, a tenth valve 41 and an eleventh valve 43, pumping the mine water into a primary purification reservoir 36 by the sixth water pump 45, sterilizing the mine water and adjusting the pH of the mine water by the primary purification reservoir 36, and then filtering the mine water by an ultrafiltration membrane system 42 and then entering a secondary purification reservoir 40;
when the detected concentrations of the nitrate ions and the nitrite ions exceed the standard and other detection items meet the standard, the data acquisition control system 4 sends an instruction, a second water outlet of the four-way magnetic control valve 3 is opened, the mine water enters the fourth water pipe 20 from the second water outlet of the four-way magnetic control valve 3, then the fifth valve 22 on the fourth water pipe 20 is opened, the mine water enters the constant temperature reaction tank 50 of the denitrifying bacteria nitrogen conversion system 21, the temperature and the pH value in the constant temperature reaction tank 50 of the denitrifying bacteria nitrogen conversion system 21 are adjusted to be 30 ℃ and 7, denitrifying bacteria microorganisms in the denitrifying bacteria nitrogen conversion system 21 convert the nitrate ions and the nitrite ions into nitrogen gas, then the mine water in the constant temperature reaction tank 50 of the denitrifying bacteria microorganisms is observed through the glass top cover 53, and after the mine water flows through the filter screen 52, the seventh water pump 48 is started, opening a thirteenth valve 49, a tenth valve 41 and an eleventh valve 43, pumping the mine water into the primary purification reservoir 36 by a seventh water pump 48, sterilizing the mine water and adjusting the pH value of the mine water by the primary purification reservoir 36, and then filtering the mine water by an ultrafiltration membrane system 42 and then feeding the mine water into the secondary purification reservoir 40;
when heavy metals, sulfate ions and sulfite are detectedWhen the ion concentration exceeds the standard and the concentrations of the nitrate ions and the nitrite ions meet the standard, the data acquisition system sends an instruction to open the first water outlet of the four-way magnetic control valve 3, the mine water enters the third water pipe 18 from the first water outlet of the four-way magnetic control valve 3, then the fourth valve 19 on the third water pipe 18 is opened, the mine water enters the constant temperature reaction tank 50 of the sulfate reducing bacteria flocculation system 17, the temperature and the pH in the constant temperature reaction tank 50 of the sulfate reducing bacteria flocculation system 17 are adjusted to ensure that the temperature is 35 ℃, the pH is 7, and sulfate reducing bacteria microorganisms in the sulfate reducing bacteria flocculation system 17 are treated by SO4 2-、SO3 2-The method comprises the steps of taking organic matters as a carbon source and an electron donor to finally generate hydrogen sulfide, observing mine water in a constant-temperature reaction tank 50 of a sulfate reducing bacteria flocculation system 17 through a glass top cover 53, starting an eighth water pump 33 after the mine water overflows a filter screen 52, opening a fourteenth valve 34, pumping the mine water into the constant-temperature reaction tank 50 of a methanogen degradation system 24 through the eighth water pump 33, adjusting the temperature and the pH in the constant-temperature reaction tank 50 of the methanogen degradation system 24 to 35 ℃ and 7, absorbing heavy metal ions by methanogen microorganisms in the methanogen degradation system 24 according to the requirement of reproduction and growth, observing the mine water in the constant-temperature reaction tank 50 of the methanogen degradation system 24 through the glass top cover 53, starting a fifth water pump 37 after the mine water overflows the filter screen 52, opening a ninth valve 38, a tenth valve 41 and an eleventh valve 43, the mine water is pumped into a primary purification reservoir 36 by a fifth water pump 37, the primary purification reservoir 36 disinfects the mine water and adjusts the pH value of the mine water, and then the mine water enters a secondary purification reservoir 40 after being filtered by an ultrafiltration membrane system 42;
when the detected concentrations of heavy metal, nitrate ions and nitrite ions exceed the standard and the concentrations of sulfate ions and sulfite ions meet the standard, the data acquisition system sends an instruction to open the second water outlet of the four-way magnetic control valve 3, mine water enters the fourth water pipe 20 from the second water outlet of the four-way magnetic control valve 3, then the fifth valve 22 on the fourth water pipe 20 is opened, the mine water enters the constant temperature reaction tank 50 of the denitrifying bacteria nitrogen conversion system 21, the temperature and the pH value in the constant temperature reaction tank 50 of the denitrifying bacteria nitrogen conversion system 21 are adjusted to be 30 ℃ and 7, denitrifying bacteria microorganisms in the denitrifying bacteria nitrogen conversion system 21 convert the nitrate ions and the nitrite ions into nitrogen gas, then the mine water in the constant temperature reaction tank 50 of the denitrifying bacteria microorganisms is observed through the glass top cover 53, and after the mine water overflows through the filter screen 52, starting the fourth water pump 30, opening the eighth valve 31, pumping the mine water into the constant-temperature reaction tank 50 of the methanogen degradation system 24 by the fourth water pump 30, adjusting the temperature and the pH value in the constant-temperature reaction tank 50 of the methanogen degradation system 24, so that the temperature is 35 ℃ and the pH value is 7, the methanogen microorganism in the methanogen degradation system 24 absorbs the heavy metal ions according to the propagation and growth requirements, then the mine water in the constant temperature reaction tank 50 of the methanogen degradation system 24 is observed through the glass top cover 53, after the mine water overflows the filter screen 52, the fifth water pump 37 is started, the ninth valve 38, the tenth valve 41 and the eleventh valve 43 are opened, the mine water is pumped into the primary purification reservoir 36 by the fifth water pump 37, the primary purification reservoir 36 disinfects the mine water and adjusts the pH value of the mine water, then the mine water enters a secondary purification reservoir 40 after being filtered by an ultrafiltration membrane system 42;
when the concentrations of sulfate ions, sulfite ions, nitrate ions and nitrite ions exceed the standard and heavy metals meet the standard, the data acquisition system sends an instruction, the first water outlet of the four-way magnetic control valve 3 is opened, mine water enters the third water pipe 18 from the first water outlet of the four-way magnetic control valve 3, then the fourth valve 19 on the third water pipe 18 is opened, the mine water enters the constant-temperature reaction tank 50 of the sulfate reducing bacteria flocculation system 17, the temperature and the pH in the constant-temperature reaction tank 50 of the sulfate reducing bacteria flocculation system 17 are adjusted to enable the temperature to be 35 ℃, the pH to be 7, sulfate reducing bacteria microorganisms in the sulfate reducing bacteria flocculation system 17 are treated by SO4 2-、SO3 2-Taking organic matters as a carbon source and an electron donor as an electron acceptor to finally generate hydrogen sulfide, observing the mine water in the constant-temperature reaction tank 50 of the sulfate reducing bacteria flocculation system 17 through the glass top cover 53, starting the third water pump 27 after the mine water overflows through the filter screen 52, opening the seventh valve 28, and obtaining the orePumping the well water into a constant-temperature reaction tank 50 of a denitrifying bacterial nitrogen conversion system 21 by a fourth water pump 30, adjusting the temperature and the pH value in the constant-temperature reaction tank 50 of the denitrifying bacterial nitrogen conversion system 21 to ensure that the temperature is 30 ℃ and the pH value is 7, converting nitrate ions and nitrite ions into nitrogen by denitrifying bacterial microorganisms in the denitrifying bacterial nitrogen conversion system 21, observing the mine water in the constant-temperature reaction tank 50 of the denitrifying bacterial microorganisms through a glass top cover 53, starting a seventh water pump 48 after the mine water overflows a filter screen 52, opening a thirteenth valve 49, a tenth valve 41 and an eleventh valve 43, pumping the mine water into a primary purification water reservoir 36 by the seventh water pump 48, sterilizing the mine water by the primary purification water reservoir 36 and adjusting the pH value of the mine water, and then filtering the mine water by an ultrafiltration membrane system 42 and then entering a secondary purification water reservoir 40;
when the concentrations of heavy metal, sulfate ion, sulfite ion, nitrate ion and nitrite ion are detected to exceed the standard, the data acquisition system sends an instruction, the first water outlet of the four-way magnetic control valve 3 is opened, mine water enters the third water pipe 18 from the first water outlet of the four-way magnetic control valve 3, then the fourth valve 19 on the third water pipe 18 is opened, the mine water enters the constant temperature reaction tank 50 of the sulfate reducing bacteria flocculation system 17, the temperature and the pH in the constant temperature reaction tank 50 of the sulfate reducing bacteria flocculation system 17 are adjusted to enable the temperature to be 35 ℃, the pH to be 7, and sulfate reducing bacteria microorganisms in the sulfate reducing bacteria flocculation system 17 use SO to perform SO treatment4 2-、SO3 2-Using organic matters as a carbon source and an electron donor as an electron acceptor to finally generate hydrogen sulfide, observing mine water in a constant-temperature reaction tank 50 of a sulfate reducing bacteria flocculation system 17 through a glass top cover 53, starting a third water pump 27 after the mine water overflows a filter screen 52, opening a seventh valve 28, pumping the mine water into the constant-temperature reaction tank 50 of a denitrifying bacteria nitrogen conversion system 21 through a fourth water pump 30, adjusting the temperature and the pH in the constant-temperature reaction tank 50 of the denitrifying bacteria nitrogen conversion system 21 to ensure that the temperature is 30 ℃ and the pH is 7, converting nitrate ions and nitrite ions into nitrogen through denitrifying bacteria microorganisms in the denitrifying bacteria nitrogen conversion system 21, and observing the denitrifying bacteria microorganisms through the glass top cover 53After the mine water in the constant-temperature reaction tank 50 flows through the filter screen 52, the fourth water pump 30 is started, the eighth valve 31 is opened, the mine water is pumped into the constant-temperature reaction tank 50 of the methanogen degradation system 24 by the fourth water pump 30, the temperature and the pH value in the constant-temperature reaction tank 50 of the methanogen degradation system 24 are adjusted to be 35 ℃, the pH value is 7, methanogen microorganisms in the methanogen degradation system 24 absorb heavy metal ions according to the propagation and growth requirements, then the mine water in the constant-temperature reaction tank 50 of the methanogen degradation system 24 is observed through the glass top cover 53, after the mine water flows through the filter screen 52, the fifth water pump 37 is started, the ninth valve 38, the tenth valve 41 and the eleventh valve 43 are opened, the mine water is pumped into the primary purification reservoir 36 by the fifth water pump 37, the primary purification reservoir 36 sterilizes the mine water and adjusts the pH value, then the mine water enters the secondary purification reservoir 40 after being filtered by the ultrafiltration membrane system 42.
The present embodiment is not intended to limit the shape, material, structure, etc. of the present invention in any way, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.

Claims (8)

1. A treatment method of a mine water diversion advanced treatment device is characterized by comprising the following steps: the mine water diversion depth treatment device comprises a primary filter tank, a centrifugal sedimentation system, a water storage transfer tank, a four-way magnetic control valve and a data acquisition control system, wherein the lower part of the primary filter tank is a natural water plant separation mechanism, the upper part of the primary filter tank is a screen rough filtering mechanism, the bottom of the primary filter tank is connected with a water inlet of the centrifugal sedimentation system through a first water pipe, the first water pipe is provided with a first valve and a first water pump, a water outlet of the centrifugal sedimentation system is connected with the water storage transfer tank through a water guide pipe, the water guide pipe is provided with a second valve, the water storage transfer tank is connected with a water inlet of the four-way magnetic control valve through a second water pipe, and the second water pipe is sequentially provided with an oil-water separator, a water quality monitor, a third valve and a second water pump along; the data acquisition control system is respectively connected with the water quality monitor and the four-way magnetic control valve through data lines;
the first water outlet of the four-way magnetic control valve is connected with a sulfate reducing bacteria flocculation system through a third water pipe, and a fourth valve is arranged on the third water pipe; the second water outlet of the four-way magnetic control valve is connected with a denitrifying bacteria nitrogen conversion system through a fourth water pipe, and a fifth valve is arranged on the fourth water pipe; the third water outlet of the four-way magnetic control valve is connected with a methanogen degradation system through a fifth water pipe, and a sixth valve is arranged on the fifth water pipe; the sulfate reducing bacteria flocculation system is connected with the denitrifying bacteria nitrogen conversion system through a sixth water pipe, a third water pump and a seventh valve are arranged on the sixth water pipe, the denitrifying bacteria nitrogen conversion system is connected with the methanogen degradation system through a seventh water pipe, and a fourth water pump and an eighth valve are arranged on the seventh water pipe; the sulfate reducing bacteria flocculation system is connected with the methanogen degradation system through a twelfth water pipe, and an eighth water pump and a fourteenth valve are arranged on the twelfth water pipe;
the methanogen degradation system is connected with a first-stage purification reservoir through an eighth water pipe, the eighth water pipe is provided with a fifth water pump and a ninth valve, the first-stage purification reservoir is connected with a second-stage purification reservoir through a ninth water pipe, and the ninth water pipe is sequentially provided with a tenth valve, an ultrafiltration membrane system and an eleventh valve along the water flow direction;
the sulfate reducing bacteria flocculation system is connected with the primary purification reservoir through a tenth water pipe, a sixth water pump and a twelfth valve are arranged on the tenth water pipe, the denitrifying bacteria nitrogen conversion system is connected with the primary purification reservoir through an eleventh water pipe, and a seventh water pump and a thirteenth valve are arranged on the eleventh water pipe;
the sulfate reducing bacteria flocculation system, the denitrifying bacteria nitrogen conversion system and the methanogen degradation system have the same structure and comprise a constant-temperature reaction tank, wherein a membrane hanging ball is arranged in the middle of the constant-temperature reaction tank, the outer layer of the membrane hanging ball is a nylon net, and activated carbon particles are arranged inside the membrane hanging ball; a filter screen positioned at the top of the membrane hanging ball is arranged in the constant-temperature reaction tank, a glass top cover is arranged at the top of the constant-temperature reaction tank, and an air release valve and a pressure sensor are arranged on the glass top cover; a pH sensor and a pH adjusting port are arranged on the side wall of the tank body of the constant-temperature reaction tank;
the activated carbon particles in the constant-temperature reaction tank of the sulfate reducing bacteria flocculation system contain sulfate reducing bacteria microorganisms, the activated carbon particles in the constant-temperature reaction tank of the denitrifying bacteria nitrogen conversion system contain denitrifying bacteria microorganisms, and the activated carbon particles in the constant-temperature reaction tank of the methanogen degradation system contain methanogen microorganisms;
the processing method comprises the following steps:
(1) the mine water to be treated is introduced to the top of the primary filter box, the sand and coal dust in the mine water are filtered by the screen mesh coarse-filtration mechanism, the filtered mine water flows into the natural water plant barrier mechanism at the lower part of the primary filter box, and the water plants in the natural water plant barrier mechanism further adsorb the sand and coal dust in the mine water on one hand and can also adsorb heavy metal ions, sulfate radicals, sulfite ions, nitrate ions, nitrite ions and oil in part of the mine water on the other hand;
(2) then opening a first valve, starting a first water pump, pumping the treated mine water in the primary filter tank into a centrifugal sedimentation system by the first water pump, starting the centrifugal sedimentation system, and carrying out centrifugal sedimentation on the mine water by the centrifugal sedimentation system to further filter silt in the mine water;
(3) after centrifugal sedimentation, opening a second valve, allowing the mine water in the centrifugal sedimentation system to flow into the water storage transfer tank through a water conduit, and allowing the mine water to flow into the water storage transfer tank for secondary sedimentation;
(4) removing grease components in the mine water: opening a third valve, starting a second water pump, pumping the mine water in the water storage transfer tank into a second water pipe by the second water pump, wherein an oil-water separator on the second water pipe filters oil bodies in the mine water;
(5) and then the water quality monitor detects the water quality in the second water pipe, whether the concentrations of heavy metal, sulfate ions, sulfite ions, nitrate ions and nitrite ions in the mine water exceed the standard or not is detected, the water quality monitor transmits the detected data to the data acquisition control system through a data line, the data acquisition control system analyzes the data and makes corresponding instructions, and then corresponding processing is made according to the instructions.
2. The treatment method of the mine water diversion advanced treatment device according to claim 1, characterized in that: when the concentration of the heavy metal detected by the water quality monitor exceeds the standard and other detection items meet the standard, the data acquisition control system sends an instruction to open the third water outlet of the four-way magnetic control valve, and the processing steps in the step (5) according to the instruction comprise: the mine water enters a fifth water pipe from a third water outlet of the four-way magnetic control valve, then a sixth valve on the fifth water pipe is opened, the mine water enters a constant temperature reaction tank of the methanogen degradation system, the temperature and the pH value in the constant temperature reaction tank of the methanogen degradation system are adjusted, the temperature is 35 ℃, the pH is 7, methanogen microorganisms in the methanogen degradation system absorb heavy metal ions according to the need of reproduction and growth, then the mine water in the constant temperature reaction tank of the methanogen degradation system is observed through the glass top cover, after the mine water overflows the filter screen, a fifth water pump is started, and opening the ninth valve, the tenth valve and the eleventh valve, pumping the mine water into a primary purification reservoir by a fifth water pump, sterilizing the mine water and adjusting the pH of the mine water by the primary purification reservoir, and then filtering the mine water by an ultrafiltration membrane system and then feeding the mine water into a secondary purification reservoir.
3. The treatment method of the mine water diversion advanced treatment device according to claim 1, characterized in that: when the concentrations of sulfate ions and sulfite ions detected by the water quality monitor exceed the standard and other detection items meet the standard, the data acquisition control system sends an instruction to open the first water outlet of the four-way magnetic control valve, and the processing steps in the step (5) according to the instruction comprise: mine water enters a third water pipe from a first water outlet of the four-way magnetic control valve, then a fourth valve on the third water pipe is opened, the mine water enters a constant-temperature reaction tank of the sulfate reducing bacteria flocculation system, the temperature and the pH in the constant-temperature reaction tank of the sulfate reducing bacteria flocculation system are adjusted to enable the temperature to be 35 ℃ and the pH to be 7, sulfate reducing bacteria microorganisms in the sulfate reducing bacteria flocculation system are treated with SO4 2-、SO3 2-The method comprises the steps of taking organic matters as a carbon source and an electron donor to finally generate hydrogen sulfide, observing mine water in a constant-temperature reaction tank of a sulfate reducing bacteria flocculation system through a glass top cover, starting a sixth water pump after the mine water overflows a filter screen, opening a twelfth valve, a tenth valve and an eleventh valve, pumping the mine water into a primary purification reservoir by the sixth water pump, disinfecting the mine water and adjusting the pH of the mine water by the primary purification reservoir, and then filtering the mine water by an ultrafiltration membrane system to enter a secondary purification reservoir.
4. The treatment method of the mine water diversion advanced treatment device according to claim 1, characterized in that: when the concentrations of the nitrate ions and the nitrite ions detected by the water quality monitor exceed the standard and other detection items meet the standard, the data acquisition control system sends an instruction to open the second water outlet of the four-way magnetic control valve, and the processing steps in the step (5) according to the instruction comprise: the mine water enters a fourth water pipe from a second water outlet of the four-way magnetic control valve, then a fifth valve on the fourth water pipe is opened, the mine water enters a constant temperature reaction tank of the denitrifying bacteria nitrogen conversion system, the temperature and the pH value in the constant temperature reaction tank of the denitrifying bacteria nitrogen conversion system are adjusted, so that the temperature is 30 ℃ and the pH value is 7, the denitrifying bacteria microorganisms in the denitrifying bacteria nitrogen conversion system convert nitrate ions and nitrite ions into nitrogen, then the mine water in the constant temperature reaction tank of the denitrifying bacteria microorganism is observed through the glass top cover, after the mine water overflows the filter screen, a seventh water pump is started, and opening a thirteenth valve, a tenth valve and an eleventh valve, pumping the mine water into a primary purification reservoir by a seventh water pump, disinfecting the mine water and adjusting the pH value of the mine water by the primary purification reservoir, and then filtering the mine water by an ultrafiltration membrane system and then feeding the mine water into a secondary purification reservoir.
5. The treatment method of the mine water diversion advanced treatment device according to claim 1, characterized in that: when the water quality monitor detects heavy metal, sulfate ion and nitriteWhen the concentration of the sulfate ions exceeds the standard and the concentrations of the nitrate ions and the nitrite ions meet the standard, the data acquisition system sends an instruction to open a first water outlet of the four-way magnetic control valve, and the processing steps in the step (5) according to the instruction comprise: mine water enters a third water pipe from a first water outlet of the four-way magnetic control valve, then a fourth valve on the third water pipe is opened, the mine water enters a constant-temperature reaction tank of the sulfate reducing bacteria flocculation system, the temperature and the pH in the constant-temperature reaction tank of the sulfate reducing bacteria flocculation system are adjusted to enable the temperature to be 35 ℃ and the pH to be 7, sulfate reducing bacteria microorganisms in the sulfate reducing bacteria flocculation system are treated with SO4 2-、SO3 2-The method comprises the steps of taking organic matters as a carbon source and an electron donor to finally generate hydrogen sulfide, observing mine water in a constant-temperature reaction tank of a sulfate reducing bacteria flocculation system through a glass top cover, starting an eighth water pump after the mine water flows through a filter screen, opening a fourteenth valve, pumping the mine water into the constant-temperature reaction tank of a methanogen degradation system by the eighth water pump, adjusting the temperature and the pH in the constant-temperature reaction tank of the methanogen degradation system to 35 ℃ and 7, absorbing heavy metal ions by methanogen microorganisms in the methanogen degradation system according to the requirement of reproduction and growth, observing the mine water in the constant-temperature reaction tank of the methanogen degradation system through the glass top cover, starting a fifth water pump after the mine water flows through the filter screen, opening a ninth valve, a tenth valve and an eleventh valve, pumping the mine water into a primary purification reservoir by the fifth water pump, the primary purification reservoir disinfects the mine water and adjusts the pH value of the mine water, and then the mine water enters the secondary purification reservoir after being filtered by the ultrafiltration membrane system.
6. The treatment method of the mine water diversion advanced treatment device according to claim 1, characterized in that: when the concentrations of heavy metal, nitrate ion and nitrite ion detected by the water quality monitor exceed standards, and the concentrations of sulfate ion and sulfite ion meet standards, the data acquisition system sends an instruction to open the second water outlet of the four-way magnetic control valve, and the processing steps in the step (5) according to the instruction comprise: mine water enters a fourth water pipe from a second water outlet of the four-way magnetic control valve, a fifth valve on the fourth water pipe is opened, the mine water enters a constant-temperature reaction tank of a denitrifying bacterial nitrogen conversion system, the temperature and the pH in the constant-temperature reaction tank of the denitrifying bacterial nitrogen conversion system are adjusted to be 30 ℃ and 7, denitrifying bacterial microorganisms in the denitrifying bacterial nitrogen conversion system convert nitrate ions and nitrite ions into nitrogen, the mine water in the constant-temperature reaction tank of the denitrifying bacterial microorganisms is observed through a glass top cover, a fourth water pump is started after the mine water overflows through a filter screen, an eighth valve is opened, the mine water is pumped into the constant-temperature reaction tank of the methanogenic bacterial degradation system by the fourth water pump, the temperature and the pH in the constant-temperature reaction tank of the methanogenic bacterial degradation system are adjusted to be 35 ℃ and 7, the methanogenic bacterial microorganisms in the methanogenic bacterial degradation system absorb heavy metal ions according to the propagation and growth requirements, and then observing the mine water in a constant-temperature reaction tank of the methanogen degradation system through a glass top cover, starting a fifth water pump after the mine water overflows through a filter screen, opening a ninth valve, a tenth valve and an eleventh valve, pumping the mine water into a primary purification reservoir by the fifth water pump, disinfecting the mine water and adjusting the pH value of the mine water by the primary purification reservoir, and then filtering the mine water by an ultrafiltration membrane system and then feeding the mine water into a secondary purification reservoir.
7. The treatment method of the mine water diversion advanced treatment device according to claim 1, characterized in that: when the water quality monitor detects that the concentrations of sulfate ions, sulfite ions, nitrate ions and nitrite ions exceed standards and heavy metals meet the standards, the data acquisition system sends an instruction to open a first water outlet of the four-way magnetic control valve, and the processing steps in the step (5) according to the instruction comprise: mine water enters a third water pipe from a first water outlet of the four-way magnetic control valve, then a fourth valve on the third water pipe is opened, the mine water enters a constant-temperature reaction tank of the sulfate reducing bacteria flocculation system, the temperature and the pH value in the constant-temperature reaction tank of the sulfate reducing bacteria flocculation system are adjusted to be 35 ℃,pH 7, SO for sulfate reducing bacteria microorganisms in the sulfate reducing bacteria flocculation system4 2-、SO3 2-The method comprises the steps of taking organic matters as a carbon source and an electron donor as an electron acceptor, finally generating hydrogen sulfide, observing mine water in a constant-temperature reaction tank of a sulfate reducing bacteria flocculation system through a glass top cover, starting a third water pump after the mine water flows through a filter screen, opening a seventh valve, pumping the mine water into the constant-temperature reaction tank of a denitrifying bacteria nitrogen conversion system through a fourth water pump, adjusting the temperature and the pH in the constant-temperature reaction tank of the denitrifying bacteria nitrogen conversion system to be 30 ℃ and 7, converting nitrate ions and nitrite ions into nitrogen by denitrifying bacteria microorganisms in the denitrifying bacteria nitrogen conversion system, observing the mine water in the constant-temperature reaction tank of the denitrifying bacteria microorganisms through the glass top cover, starting the seventh water pump after the mine water flows through the filter screen, opening a thirteenth valve, a tenth valve and an eleventh valve, pumping the mine water into a primary purification reservoir through the seventh water pump, the primary purification reservoir disinfects the mine water and adjusts the pH value of the mine water, and then the mine water enters the secondary purification reservoir after being filtered by the ultrafiltration membrane system.
8. The treatment method of the mine water diversion advanced treatment device according to claim 1, characterized in that: when the water quality monitor detects that the concentrations of heavy metal, sulfate ion, sulfite ion, nitrate ion and nitrite ion exceed the standard, the data acquisition system sends an instruction to open the first water outlet of the four-way magnetic control valve, and the processing steps made according to the instruction in the step (5) comprise: mine water enters a third water pipe from a first water outlet of the four-way magnetic control valve, then a fourth valve on the third water pipe is opened, the mine water enters a constant-temperature reaction tank of the sulfate reducing bacteria flocculation system, the temperature and the pH in the constant-temperature reaction tank of the sulfate reducing bacteria flocculation system are adjusted to enable the temperature to be 35 ℃ and the pH to be 7, sulfate reducing bacteria microorganisms in the sulfate reducing bacteria flocculation system are treated with SO4 2-、SO3 2-As an electron acceptor, organic substances are used as a carbon source and an electron donor to finally generate sulfurHydrogen is dissolved, mine water in a constant-temperature reaction tank of a sulfate reducing bacteria flocculation system is observed through a glass top cover, after the mine water overflows a filter screen, a third water pump is started, a seventh valve is opened, the mine water is pumped into the constant-temperature reaction tank of a denitrifying bacteria nitrogen conversion system through a fourth water pump, the temperature and the pH value in the constant-temperature reaction tank of the denitrifying bacteria nitrogen conversion system are adjusted to be 30 ℃, the pH value is 7, denitrifying bacteria microorganisms in the denitrifying bacteria nitrogen conversion system convert nitrate ions and nitrite ions into nitrogen gas, then the mine water in the constant-temperature reaction tank of the denitrifying bacteria microorganisms is observed through the glass top cover, after the mine water overflows the filter screen, the fourth water pump is started, an eighth valve is opened, the mine water is pumped into the constant-temperature reaction tank of a methanogen degradation system through the fourth water pump, the temperature and the pH value in the constant-temperature reaction tank of the methanogen degradation system are adjusted, the temperature is 35 ℃, the pH value is 7, methanogen microorganisms in the methanogen degradation system absorb heavy metal ions according to the need of reproduction and growth, then the mine water in a constant temperature reaction tank of the methanogen degradation system is observed through a glass top cover, after the mine water overflows through a filter screen, a fifth water pump is started, a ninth valve, a tenth valve and an eleventh valve are opened, the mine water is pumped into a primary purification reservoir by the fifth water pump, the primary purification reservoir disinfects the mine water and adjusts the pH value of the mine water, and then the mine water enters a secondary purification reservoir after being filtered by an ultrafiltration membrane system.
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