Deep treatment device for underground high-salinity and high-hardness mine water

By designing an underground high-salt and high-hard mine water depth treatment device, multi-layer treatment technology is used to remove dissolved salts and calcium and magnesium ions in the mine water, the problem of underground water quality treatment is solved, and the supply of stable clean water and equipment maintenance is extended.

CN119263527APending Publication Date: 2025-01-07CHINA COAL ZHANGJIAKOU COAL MINING MACHINERY
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Patent Information

Application Number
CN202411526221.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-10-30
Publication Date
2025-01-07

AI Technical Summary

Technical Problem

The underground mine water is difficult to effectively handle due to high salt and high hardness, and it is difficult for the existing technology to achieve efficient purification and stable supply of clean water sources, which affects the continuity and safety of coal mine production.

Method used

A water depth treatment device for underground high-salt and high-hard mines is designed, including adjustment tanks, aeration oxidation tanks, flocculation and sedimentation tanks, buffer tanks, self-cleaning filters, multi-media filters, manganese sand filters, reverse osmosis devices, etc. , through aeration oxidation, flocculation and precipitation, multi-layer filtration and reverse osmosis treatment, dissolved salts and calcium and magnesium ions are removed to stabilize water production.

Benefits of technology

It has achieved efficient removal of dissolved salts and calcium and magnesium ions in mine water, stabilized water quality, reduced equipment scale and corrosion, extended equipment service life, and ensured the supply of underground cleaning water.

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Abstract

The invention relates to the field of underground mine water treatment, in particular to an advanced treatment device for underground high-salinity and high-hardness mine water. The device comprises a regulating tank, an aeration oxidation tank, a flocculation sedimentation tank, a buffer tank, a self-cleaning filter, a multi-medium filter, a manganese sand filter, an intermediate water tank, a security filter, a reverse osmosis device, a water producing tank, a compressed air device, an oxidant dosing tank, a flocculation dosing tank, an oxidant dosing pump and a flocculation dosing pump. According to the device, mine water with high salt content and high hardness can be treated in situ underground, dissolved salt and calcium and magnesium ions in the mine water can be effectively removed, and the quality of produced water is stable. Meanwhile, water produced by the device can reduce scaling of underground water equipment, the water equipment is prevented from being corroded, and the service life of the equipment is prolonged.
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Description

Technical Field

[0001] The present invention relates to the field of underground mine water treatment, and in particular to an underground high-salt and high-hardness mine water deep treatment device. Background Art

[0002] As coal mining deepens, a large amount of mine water gushes out, and the research and application of mine water treatment technology becomes particularly important. Underground mine water usually contains high salt and hardness. Against this background, underground high-salt and high-hardness mine water deep treatment equipment came into being. Its purpose is to purify mine water efficiently through innovative process flow, so that it meets the production water standard and realizes the internal recycling of mine water. At the same time, the device can adapt to the complex and changing environment underground and ensure the continuous and stable supply of clean water, which is of vital importance to ensure the continuity and safety of coal mine production. Summary of the invention

[0003] The purpose of the present invention is to provide an underground high-salt and high-hardness mine water deep treatment device.

[0004] The object of the present invention is achieved through the following technical solutions: A device for deep treatment of underground high-salt and high-hardness mine water comprises a regulating tank, an aeration oxidation tank, a flocculation sedimentation tank, a buffer tank, a self-cleaning filter, a multi-media filter, a manganese sand filter, an intermediate water tank, a security filter, a reverse osmosis device, a water production tank, a compressed air device, an oxidant dosing tank, a flocculation dosing tank, an oxidant dosing pump, and a flocculation dosing pump part. The outlet end of the regulating tank is connected to the inlet end of the aeration oxidation tank, the outlet end of the aeration oxidation tank is connected to the inlet end of the flocculation sedimentation tank, the outlet end of the flocculation sedimentation tank is connected to the inlet end of the buffer tank, the outlet end of the buffer tank is connected to the inlet end of the self-cleaning filter, the outlet end of the self-cleaning filter is connected to the inlet end of the multi-media filter, the outlet end of the multi-media filter is connected to the inlet end of the manganese sand filter, the outlet end of the manganese sand filter is connected to the inlet end of the intermediate water tank, the outlet end of the intermediate water tank is connected to the inlet end of the security filter, the outlet end of the security filter is connected to the inlet end of the reverse osmosis device, and the outlet end of the reverse osmosis device is connected to the inlet end of the water production tank.

[0005] The underground high-salt and high-hardness mine water deep treatment device also includes a compressed air device outlet end connected to an aeration oxidation tank aeration pipe inlet end.

[0006] The underground high-salt and high-hardness mine water deep treatment device also includes an oxidant dosing tank outlet end connected to an oxidant dosing pump inlet end, and the oxidant dosing pump outlet end is connected to the aeration oxidation tank inlet end.

[0007] The underground high-salt and high-hardness mine water deep treatment device also includes a flocculation dosing tank outlet end connected to a flocculation dosing pump inlet end, and the flocculation dosing pump outlet end is connected to the flocculation sedimentation tank inlet end.

[0008] The beneficial effects of the present invention are mainly manifested in that the device can treat high-salinity and high-hardness mine water in situ underground, effectively remove dissolved salts and calcium and magnesium ions in the mine water, and produce stable water quality. At the same time, the device can also reduce the scaling of underground water-using equipment, prevent water-using equipment from being corroded, and extend the service life of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings constituting the present invention are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the accompanying drawings: Figure 1 Schematic diagram of the process of the present invention In the figure: 1. regulating tank, 2. aeration oxidation tank, 3. flocculation sedimentation tank, 4. buffer tank, 5. self-cleaning filter, 6. multi-media filter, 7. manganese sand filter, 8. intermediate water tank, 9. security filter, 10. reverse osmosis device, 11. water production tank, 12. compressed air device, 13. oxidant dosing tank, 14. flocculation dosing tank, 15. oxidant dosing pump, 16. flocculation dosing pump DETAILED DESCRIPTION

[0009] Combine the following Figure 1 The present invention is described in detail: like Figure 1 The device for deep treatment of underground high-salt and high-hardness mine water shown in the figure comprises a regulating tank 1, an aeration oxidation tank 2, a flocculation sedimentation tank 3, a buffer tank 4, a self-cleaning filter 5, a multi-media filter 6, a manganese sand filter 7, an intermediate water tank 8, a security filter 9, a reverse osmosis device 10, a water production tank 11, a compressed air device 12, an oxidant dosing tank 13, a flocculation dosing tank 14, an oxidant dosing pump 15, and a flocculation dosing pump 16. The outlet end of the regulating tank 1 is connected to the inlet end of the aeration oxidation tank 2, and the outlet end of the aeration oxidation tank 2 is connected to the inlet end of the flocculation sedimentation tank 3. The outlet end of the flocculation sedimentation tank 3 is connected to the inlet end of the buffer tank 4, the outlet end of the buffer tank 4 is connected to the inlet end of the self-cleaning filter 5, the outlet end of the self-cleaning filter 5 is connected to the inlet end of the multimedia filter 6, the outlet end of the multimedia filter 6 is connected to the inlet end of the manganese sand filter 7, the outlet end of the manganese sand filter 7 is connected to the inlet end of the intermediate water pool 8, the outlet end of the intermediate water pool 8 is connected to the inlet end of the security filter 9, the outlet end of the security filter 9 is connected to the inlet end of the reverse osmosis device 10, and the outlet end of the reverse osmosis device 10 is connected to the inlet end of the water production pool 11.

[0010] The underground high-salt and high-hardness mine water deep treatment device also includes a compressed air device 12 outlet end connected to the aeration pipe inlet end of the aeration oxidation tank 2.

[0011] The underground high-salt and high-hardness mine water deep treatment device also includes an oxidant dosing tank 13 outlet end connected to an oxidant dosing pump 15 inlet end, and the oxidant dosing pump 15 outlet end is connected to the aeration oxidation tank 2 inlet end.

[0012] The underground high-salt and high-hardness mine water deep treatment device also includes a flocculation dosing tank 14 outlet end connected to a flocculation dosing pump 16 inlet end, and the flocculation dosing pump 16 outlet end is connected to the flocculation sedimentation tank 3 inlet end.

[0013] The method of the present invention comprises the following steps: During operation, the mine water in the regulating tank 1 is pumped into the aeration oxidation tank 2, and the compressed air device 12 and the oxidant dosing pump 15 are started to aerate and oxidize the mine water in the aeration oxidation tank. When the mine water enters the flocculation sedimentation tank 3, the flocculation dosing pump 16 is started, and the suspended matter is flocculated and precipitated. The effluent from the flocculation sedimentation tank 3 enters the buffer tank 4, and then enters the self-cleaning filter 5, the multi-media filter 6 and the manganese sand filter 7 for filtration. The produced water is collected in the intermediate water tank 8, and finally the produced water is collected in the water production tank 11 through the security filter 9 and the reverse osmosis device 10 for use by the water supply equipment.

Claims

1. An underground high-salt and high-hardness mine water deep treatment device, characterized in that: The invention comprises a regulating tank (1), an aeration oxidation tank (2), a flocculation sedimentation tank (3), a buffer tank (4), a self-cleaning filter (5), a multi-media filter (6), a manganese sand filter (7), an intermediate water tank (8), a security filter (9), a reverse osmosis device (10), a water production tank (11), a compressed air device (12), an oxidant dosing tank (13), a flocculation dosing tank (14), an oxidant dosing pump (15), and a flocculation dosing pump (16). The outlet end of the regulating tank (1) is connected to the inlet end of the aeration oxidation tank (2), the outlet end of the aeration oxidation tank (2) is connected to the inlet end of the flocculation sedimentation tank (3), and the flocculation sedimentation tank ( 3) The outlet end is connected to the inlet end of the buffer tank (4), the outlet end of the buffer tank (4) is connected to the inlet end of the self-cleaning filter (5), the outlet end of the self-cleaning filter (5) is connected to the inlet end of the multi-media filter (6), the outlet end of the multi-media filter (6) is connected to the inlet end of the manganese sand filter (7), the outlet end of the manganese sand filter (7) is connected to the inlet end of the intermediate water tank (8), the outlet end of the intermediate water tank (8) is connected to the inlet end of the security filter (9), the outlet end of the security filter (9) is connected to the inlet end of the reverse osmosis device (10), and the outlet end of the reverse osmosis device (10) is connected to the inlet end of the water production tank (11).

2. According to claim 1, a device for deep treatment of underground high-salt and high-hardness mine water is characterized in that: The device also includes an outlet end of a compressed air device (12) connected to an inlet end of an aeration pipe of an aeration oxidation tank (2).

3. According to claim 1, a device for deep treatment of underground high-salt and high-hardness mine water is characterized in that: The device further comprises an outlet end of an oxidant dosing tank (13) connected to an inlet end of an oxidant dosing pump (15), and the outlet end of the oxidant dosing pump (15) is connected to the inlet end of an aeration oxidation tank (2).

4. According to claim 1, a device for deep treatment of underground high-salt and high-hardness mine water is characterized in that: The device also includes a flocculation dosing tank (14) outlet end connected to a flocculation dosing pump (16) inlet end, and the flocculation dosing pump (16) outlet end is connected to the flocculation sedimentation tank (3) inlet end.

Citation Information

Patent Citations

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