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Novel mine waste water permeation filtration type plugging system

A wastewater infiltration and filtration technology, applied in mining wastewater treatment, water/sewage multi-stage treatment, water/sludge/sewage treatment, etc. , Improve the purification effect and ensure the effect of contact reaction time

Pending Publication Date: 2022-07-29
CHINA CITY ENVIRONMENT PROTECTION ENGINEERING LIMITED COMPANY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Aiming at the problems of poor plugging effect and low degree of treatment of acidic water gushing in existing mines, the present invention couples traditional mine mechanical plugging technology with permeable reaction wall unit technology, improves and optimizes it, and proposes a method suitable for mine acidic wastewater A new type of mine wastewater permeation filter plugging system for treatment

Method used

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  • Novel mine waste water permeation filtration type plugging system
  • Novel mine waste water permeation filtration type plugging system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0057] This example simulates the inclusion of acidity, Fe 2+ , Mn 2+ , Cu 2+ , Pb 2+ , Zn 2+ , SO 4 2- A permeable reaction wall unit with a width of 50cm for each level of the tank body was built for the low-concentration mine-cave acidic wastewater solution with equal pollution factors (as shown in Table 1), and a simulation experiment was carried out. The above-mentioned waste water was added to the front end of the simulated mine tunnel plugging unit. Under the condition of a flow rate of 1 L / min, the wastewater drawn from the mine tunnel drainage pipe 5 was treated by a multi-stage reaction tank, and the water quality of the effluent tank was analyzed. Among them, the content of pollution factors has reached the Class III standard of "Environmental Quality Standard for Surface Water" (GB3838-2002). It shows that the system has excellent purification and treatment capacity for low concentration mine water. The system can reduce and harmlessly treat the water gushin...

Embodiment 2

[0060] This example simulates the inclusion of acidity, Fe 2+ , Mn 2+ , Pb 2+ , Zn 2+ , SO 4 2- A high-concentration mine cave acid wastewater solution with equal pollution factors (as shown in Table 2), a permeable reaction wall unit with a width of 50cm for each stage of the tank was built, and a simulation experiment was carried out. The above-mentioned waste water was added to the front end of the simulated mine tunnel plugging unit. Under the condition of a flow rate of 1L / min, the wastewater drawn from the mine tunnel drainage pipe was treated in a multi-stage reaction tank. The content of pollution factors has reached the "Technical Specification for Sewage Treatment of Iron Ore Mining and Dressing Enterprises (GB / T33815-2017). It shows that the system has a good ability to purify the high concentration mine water. The system can reduce and harmlessly treat the water gushing from the mine.

[0061] pollution factor pH SO 4 2-

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Abstract

The invention provides a novel mine hole wastewater permeation filtration type plugging system. The novel mine hole wastewater permeation filtration type plugging system comprises a mine hole plugging unit, a permeable reactive barrier unit and a medicament storage unit, the mine hole plugging unit comprises a plugging wall body and a drainage pipeline, and the drainage pipeline is connected to the bottom of the plugging wall body; the permeable reactive barrier unit sequentially comprises a water inlet tank, a multi-stage reaction tank and a water outlet tank, and the whole permeable reactive barrier unit is positioned below the drainage pipeline; medicament storage devices filled with different medicaments are placed in the multi-stage reaction tank; holes are formed in the side face of the medicament storage device. And adjacent water inlet groove openings and water outlet groove openings of the water inlet groove, the multi-stage reaction groove and the water outlet groove are staggered up and down, so that a flowing path of wastewater is in a meandering flow type. The multiple stages of reaction tanks are respectively a quartz sand reaction tank, a limestone reaction tank, a steel slag reaction tank and a manganese sand zeolite reaction tank. The acid mine wastewater deposited in the shallow layer of the mine for a long time is led out for treatment, erosion damage to the plugging system is relieved, the safety of the mine plugging system is improved, and the service life of the mine plugging system is prolonged.

Description

technical field [0001] The invention belongs to the technical field of environmental protection, and in particular relates to a novel mine waste water permeation filtering plugging system, which can be used to treat the mine acid waste water pollution problem from the source. Background technique [0002] Mine acid wastewater is a general term for various kinds of wastewater such as mine gushing water, mineral processing wastewater, slag heap leachate, etc. produced in the process of mineral resource mining. 3+ , Mn 2 + , Pb 2+ , Zn 2+ ) and other characteristics, not only directly affect the water quality of surface water bodies, but also gradually invade the surrounding soil and groundwater bodies, posing a great threat to the ecological environment. [0003] Mine inflow is one of the main sources of acid wastewater in mines. Because the surrounding rock of the mine is exposed to the air for a long time after mining, the sulfide minerals and heavy metals in it are cont...

Claims

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Application Information

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IPC IPC(8): C02F9/04C02F103/10
CPCC02F9/00C02F1/001C02F1/281C02F1/62C02F1/64C02F1/66C02F2103/10C02F2201/002C02F2201/007C02F2201/009C02F2301/08C02F2303/14C02F2209/06C02F2209/19
Inventor 许晓明胡国峰邵雁刘子豪陈堃郭华军向浩夏阳汪远皮鎏熊劲
Owner CHINA CITY ENVIRONMENT PROTECTION ENGINEERING LIMITED COMPANY
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