Magnetic coagulation treatment device for mine water and process

A treatment device and mine water technology, applied in mining wastewater treatment, water/sewage treatment, water/sludge/sewage treatment, etc., can solve the problems of high cost of magnetic seed recovery, low treatment efficiency, complex equipment, etc. The effect of small land area, high effluent water quality and fast settlement

Active Publication Date: 2017-12-15
SHANDONG UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the deficiencies of the above-mentioned prior art, an object of the present invention is to propose a mine hydromagnetic coagulation treatment device, which solves the problem that the existing water treatment device occupies a large area, the equipment is complicated and is not suitable for being installed in the mine, and the treatment efficiency is low and the effect is poor. , and the high cost of magnetic seed recovery

Method used

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  • Magnetic coagulation treatment device for mine water and process
  • Magnetic coagulation treatment device for mine water and process
  • Magnetic coagulation treatment device for mine water and process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Embodiment 1, combining Figure 1 to Figure 5 , a mine water magnetic coagulation treatment device, comprising a main feed pipe 1, a mixer assembly 2 and a flocculation cyclone precipitator 3, the mixer assembly 2 includes a first mixer unit 21, a second mixer Unit 22, the above two mixer units are connected in the middle of the main feed pipe 2 in sequence. The first mixer unit 21 and the second mixer unit 22 are both composed of four static pipeline mixer units connected end to end in sequence. The part of the main feed pipe 1 near the first mixer unit 21 is its initial section, and the submersible pump 11 is installed on the initial section of the main feed pipe 1, and the part of the main feed pipe 1 near the second mixer unit 22 is its initial section. The end section, the end of the end section of the main feed pipe 1 , is in communication with the flocculation cyclone settler 3 . In use, the submersible pump 11 can pump mine water from the main feed pipe 1 thro...

Embodiment 2

[0042] Example 2, combined with Figure 1 to Figure 6 , a mine water treatment process, adopting the mine water magnetic coagulation treatment device, is characterized in that it includes the following steps: Step 1, open the submersible pump 11, and the mine water containing solid matter amount of 200mg / L is fed from the main feed pipe The water inlet of 1 enters, and the submersible pump 11 pumps the mine water into the mixer assembly 1. At the same time, the metering pump 15 arranged on the PAC feed pipe 12 is turned on, and the metering pump 15 on the PAC feed pipe 12 is adjusted according to the amount of PAC added. PAC is mixed with mine water at first, enters the first mixer unit 21 together, and fully mixes in the first mixer unit 21, and the concentration of PAC in mine water is controlled to be 50mg / L.

[0043] Open the metering pump 15 that is configured on the mixing feed pipe 13, the mixture of magnetic seeds and PAM enters the second mixer unit 22 through the mi...

Embodiment 3

[0046] Embodiment 3, combining Figure 1 to Figure 6 , a mine water treatment process, adopting the mine water magnetic coagulation treatment device, is characterized in that it includes the following steps: Step 1, open the submersible pump 11, and the mine water containing solid matter amount of 250mg / L is fed from the main feed pipe The water inlet of 1 enters, and the submersible pump 11 pumps the mine water into the mixer assembly 1. At the same time, the metering pump 15 arranged on the PAC feed pipe 12 is turned on, and the metering pump 15 on the PAC feed pipe 12 is adjusted according to the amount of PAC added. PAC is first mixed with mine water, enters the first mixer unit 21 together, and is fully mixed in the first mixer unit 21, and the concentration of PAC in the mine water is controlled at 55mg / L.

[0047] Open the metering pump 15 that is configured on the mixing feed pipe 13, the mixture of magnetic seeds and PAM enters the second mixer unit 22 through the mi...

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Abstract

The invention discloses a magnetic coagulation treatment device for mine water. The device comprises a mixer combination body and a flocculation rotational-flow precipitator; and the mixer combination body comprises a first mixer unit and a second mixer unit, wherein the two mixer units are arranged in sequence at the middle of a main material inlet pipe. Each mixer unit is formed by head-to-tail sequential connection of a plurality of pipeline mixer single bodies, an initial segment of the main material inlet pipe is provided with a submersible pump, and the tail end of the main material inlet pipe is connected with the flocculation rotational-flow precipitator. The flocculation rotational-flow precipitator has a tank body, the interior of the tank body is provided with a water discharging pipe in a vertical direction, and the upper end of the water discharging pipe extends out of the tank body. The part of the water discharging pipe located in the tank body is sequentially provided with a plurality of precipitate collecting plates from the top to the bottom. The lower end of the water discharging pipe is provided with a material shifting plate, and the material setting plate is located below the precipitate collecting plates. The invention also discloses a treatment process for the mine water. The device provided by the invention has a reasonable structure, low usage costs, a good flocculation effect, high water treatment efficiency, and small land occupation area, and can realize downhole on-line processing of the mine water, and the medicine usage amount is reduced by 2/3 or more.

Description

technical field [0001] The invention relates to the technical field of mining equipment, in particular to a mine hydromagnetic coagulation treatment device and process. Background technique [0002] In the process of raw coal mining, a large amount of mine wastewater is produced, which is discharged into the environment without treatment, which will not only pollute the environment, but also cause a lot of waste of water resources. At present, coal mines generally adopt underground sedimentation tank sedimentation, above-ground adjustment, coagulation sedimentation filtration technology and technology to process it. Usually, the process flow of mine water treatment is: mine water→regulation pond→lift pump→reaction sedimentation pond→filtration→clean water pond → Emissions. These technologies mainly use the principle of gravity sedimentation to separate suspended solids in the water body. The main disadvantages are that they occupy a large area, have small operating flexibil...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/48C02F1/52B03C1/30C02F103/10
CPCB03C1/30C02F1/488C02F2103/10C02F2303/18
Inventor 杨兴华刘培坤张悦刊王鹏凯张玉龙
Owner SHANDONG UNIV OF SCI & TECH
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