CN219792532U - Mud discharging device for mine water treatment - Google Patents
Mud discharging device for mine water treatment Download PDFInfo
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- CN219792532U CN219792532U CN202320690950.6U CN202320690950U CN219792532U CN 219792532 U CN219792532 U CN 219792532U CN 202320690950 U CN202320690950 U CN 202320690950U CN 219792532 U CN219792532 U CN 219792532U
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- pump body
- water
- mud
- inlet
- sedimentation
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 147
- 238000007599 discharging Methods 0.000 title claims abstract description 37
- 238000004062 sedimentation Methods 0.000 claims abstract description 44
- 239000003245 coal Substances 0.000 claims abstract description 19
- 230000001105 regulatory effect Effects 0.000 claims abstract description 13
- 239000010802 sludge Substances 0.000 claims description 40
- 239000003250 coal slurry Substances 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 239000002817 coal dust Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
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- Treatment Of Sludge (AREA)
Abstract
A mud discharging device for mine water treatment comprises a working truss, a first pump body and a second pump body, wherein the working truss is arranged across a mine water pre-sedimentation adjusting tank; the first pump body is arranged on a clear water layer of the mine water pre-sedimentation regulating tank, and an inlet of the first pump body is arranged on the clear water layer of the mine water pre-sedimentation regulating tank; the inlet of the second pump body is divided into two paths, one path is connected with the outlet of the first pump body through the water inlet pipe assembly, the other path extends into the bottom of the mine water pre-sedimentation adjusting tank through the mud suction pipe, and the outlet of the second pump body is connected to the mud discharge ditch through the mud discharge pipe assembly. The second pump body is filled with water and then forms negative pressure in the second pump body, so that the coal slime in the mine water pre-sedimentation adjusting tank is sucked into the second pump body through the other inlet and is discharged through the mud discharging pipe assembly.
Description
Technical Field
The utility model relates to the technical field of mine water treatment, in particular to a mud discharging device for mine water treatment.
Background
Mine water is water burst generated in the coal mining process, important pollutants are coal dust suspended in water, and suspended matters and sediments of the coal dust can influence the sewage treatment work. The first link of mine water treatment is pre-sedimentation adjustment, mine water is firstly settled in a pre-sedimentation tank in the treatment process, and coal slime, sand grains and the like with larger particles are separated.
The coal slime and sand grains separated from the mine water are deposited at the bottom of the pre-sedimentation tank, and need to be cleaned in time to maintain the pre-sedimentation tank with good sedimentation function. The coal slurry deposited at the bottom of the preliminary sedimentation tank is currently treated by: and a mud suction vehicle is arranged in the pre-sedimentation tank, a plurality of mud suction pumps are arranged in the mud suction vehicle, and the mud suction pumps suck the deposited mud. When the mud suction pump sucks mud, because sediment mud is too much, the frequent occurrence is stopped up, buries the mud scraping board, makes the driving can not walk, and the mud inlet of the mud suction pump can not reach the bottom of mine water preliminary sedimentation equalizing basin, has safe and reliable degree low, equipment maintenance volume is big, the incomplete problem of coal slime of arranging.
Disclosure of Invention
In view of the above, it is necessary to provide a sludge discharge device for mine water treatment that is simple in structure, safe and efficient in dredging.
The mud discharging device is used for being arranged above a mine water pre-sedimentation adjusting tank and discharging coal mud in the tank, and comprises a working truss, a first pump body and a second pump body, wherein the working truss is arranged on the mine water pre-sedimentation adjusting tank in a crossing manner; the first pump body is arranged on a clear water layer of the mine water pre-sedimentation regulating tank, and an inlet of the first pump body is arranged on the clear water layer of the mine water pre-sedimentation regulating tank; the inlet of the second pump body is divided into two paths, one path is connected with the outlet of the first pump body through the water inlet pipe assembly, the other path extends into the bottom of the mine water pre-sedimentation regulating tank through the mud suction pipe, the outlet of the second pump body is connected to the mud discharge ditch through the mud discharge pipe assembly, the first pump body pumps water in the clear water layer into the second pump body through the water inlet pipe assembly and discharges the water from the outlet of the second pump body, so that negative pressure is formed at the other inlet of the second pump body, and then coal slurry at the bottom of the mine water pre-sedimentation regulating tank is sucked into the second pump body and discharged along with the water from the outlet of the second pump body.
Preferably, the inlet of the second pump body comprises a water inlet and a mud suction port, a first channel and a second channel are arranged in the second pump body, one end of the second channel is communicated with the first channel, and the other end of the second channel is the mud suction port; one end of the first channel is a water inlet, and the other end outlet of the first channel is a sludge discharge port.
Preferably, the first channel is arranged longitudinally and the second channel is arranged transversely; the lower end of the first channel is a water inlet, and the upper end is a mud discharging opening.
Preferably, the inner diameter of the water inlet is smaller than the inner diameter of the mud discharging opening, and the inner diameter of the first channel gradually increases from bottom to top.
Preferably, the water inlet pipe assembly comprises a main water inlet pipe and a secondary water inlet pipe vertically connected with the main water inlet pipe; one end of the main water inlet pipeline is connected with an outlet of the first pump body; at least part of the main water inlet pipeline is transversely arranged below each second pump body, so that the secondary water inlet pipeline is connected with the water inlets of the second pump bodies in one-to-one correspondence.
Preferably, the mud discharging device further comprises a coupler, and the first pump body is connected with the main water inlet pipeline through the coupler.
Preferably, the sludge discharge pipe assembly includes a main sludge discharge pipe and a sub sludge discharge pipe vertically connected to the main sludge discharge pipe; one end of the main sludge discharge pipeline extends into the sludge discharge ditch; at least part of the main mud discharging pipelines are transversely arranged above each second pump body, so that the secondary mud discharging pipelines are connected with the outlets of the second pump bodies in one-to-one correspondence.
Preferably, the inlet of the first pump body is arranged on a clear water layer of the mine water pre-sedimentation adjusting tank, and a filter screen is arranged at the inlet of the first pump body.
In the sludge discharging device for mine water treatment, one inlet of the second pump body is connected with the first pump body through the water inlet pipe assembly, the inlet of the second pump body is divided into two paths, one path is connected with the outlet of the first pump body through the water inlet pipe assembly, the other path extends into the bottom of the mine water pre-sedimentation regulating tank through the sludge suction pipe, the first pump body arranged in the clear water layer of the mine water pre-sedimentation regulating tank sucks clear water of the mine water pre-sedimentation regulating tank into the second pump body through the water inlet pipe assembly, negative pressure is formed in the second pump body after the second pump body is connected with water, so that coal sludge in the mine water pre-sedimentation regulating tank is sucked into the second pump body through the other inlet, and the coal sludge in the coal sludge layer is discharged through the sludge discharging pipe assembly. The mud discharging mode can effectively discharge the bottom coal mud and meet the production requirement; the first pump body is operated on the clean water layer, so that accidents such as blockage and burning are reduced, the maintenance rate and the accident rate are reduced, and the pump is safe and reliable.
Drawings
Fig. 1 is a schematic structural view of a sludge discharging device.
Fig. 2 is a schematic diagram of piping connection of the sludge discharging device.
Fig. 3 is a schematic illustration of the placement of the first pump body, coupler and main intake conduit in place.
Fig. 4 is a schematic structural view of the first pump body.
Fig. 5 is a schematic structural view of the second pump body.
In the figure: the working truss 1, the first pump body 2, the inlet 21, the outlet 22, the elbow 23, the second pump body 3, the first channel 31, the second channel 32, the mud suction port 33, the water inlet 34, the mud discharge port 35, the mud suction pipe 36, the water inlet pipe assembly 4, the main water inlet pipe 41, the secondary water inlet pipe 42, the mud discharge pipe assembly 5, the main mud discharge pipe 51, the secondary mud discharge pipe 52, the coupler 6, the base 61, the electric junction pressure gauge 7, the distribution control box 8, the mine water pre-sedimentation adjusting tank 9, the mud discharge ditch 91, the clear water layer 92 and the coal mud layer 93.
Detailed Description
Referring to fig. 1 and 2, a sludge discharge device for mine water treatment is provided for being disposed above a mine water pre-sedimentation tank 9 and discharging coal sludge in the tank, and includes a work truss 1, a first pump body 2 and at least one second pump body 3, which are disposed across the mine water pre-sedimentation tank 9, in this embodiment, the second pump body 3 is nine, and the mine water pre-sedimentation tank 9 is provided with a sludge discharge channel 91. The mine water is pre-precipitated in the mine water pre-precipitation regulating tank 9, and a clear water layer 92 and a coal slime layer 93 are separated from top to bottom. The first pump body 2 is arranged on the clear water layer 92 of the mine water pre-sedimentation adjusting tank 9, the inlet 21 of the first pump body 2 is also arranged on the clear water layer 92 of the mine water pre-sedimentation adjusting tank 9, and the first pump body 2 is arranged in water for direct cooling without being matched with a cooling device for use because the first pump body 2 needs cooling. The second pump body 3 is installed on the work truss 1, the entry of the second pump body 3 is divided into two ways, one way is connected with the outlet of the first pump body 2 through the water inlet pipe assembly 4, the other way stretches into the bottom of the coal slime layer 93 of the mine water pre-sedimentation adjusting tank 9 through the mud suction pipe 36, the outlet of the second pump body 3 is connected to the mud discharging ditch 91 through the mud discharging pipe assembly 5, water in the clear water layer 92 is pumped into the second pump body 3 through the water inlet pipe assembly 4 by utilizing the first pump body 2, and is discharged from the outlet of the second pump body 3, negative pressure is formed at the other entry of the second pump body 3, and then coal slime slurry of the coal slime layer 93 of the mine water pre-sedimentation adjusting tank 9 is sucked into the second pump body 3, and is discharged along with the water from the outlet of the second pump body 3.
The mud discharging device also comprises a coupler 6, an electric contact pressure gauge 7 and a distribution control box 8. The first pump body 2 and the electric contact pressure gauge 7 are electrically connected with the distribution control box 8, the electric contact pressure gauge 7 is further connected with the water inlet pipe assembly 4, the electric contact pressure gauge 7 collects pressure in the water inlet pipe assembly 4, and when the collected pressure value is smaller than a preset value, the fact that the pressure in the water inlet pipe assembly 4 is lower is indicated, the first pump body 2 needs to be closed, and maintenance is conducted. As shown in fig. 3, the coupler 6 and the first pump body 2 are installed on the base 61, the first pump body 2 is arranged on one side of the coupler 6, and the first pump body 2 is connected with the main water inlet pipeline 41 of the water inlet pipe assembly 4 through the coupler 6, so that the first pump body 2 is convenient to separate from the water inlet pipe assembly 4, and the first pump body 2 is convenient to take, place and overhaul when in failure.
Further, the working truss 1 is welded integrally in an arch deflection design, has enough strength and rigidity, reasonable and stable structure and attractive appearance, the sludge discharge pipe assembly 5 and the second pump body 3 are arranged on the working truss 1, and the coupler 6, the first pump body 2 and the water inlet pipe assembly 4 are arranged on the working truss 1 through the base 61.
As shown in fig. 4, at least one inlet 21 of the first pump body 2 is provided, and one inlet 21 of the first pump body 2 is arranged on the clean water layer 92 of the mine water pre-sedimentation adjusting tank 9. The outlet 22 of the first pump body 2 is connected with an elbow 23, and is connected with the water inlet pipe assembly 4 through the elbow 23.
In order to avoid sucking impurities in the clean water layer 92 of the mine water pre-sedimentation adjusting tank 9, a filter screen is arranged at the inlet 21 of the first pump body 2.
As shown in fig. 5, the inlet of the second pump body 3 comprises a water inlet 34 and a mud suction port, a first channel 31 and a second channel 32 are arranged in the second pump body 3, the first channel 31 is longitudinally arranged, and one end of the second channel 32 is vertically arranged and communicated with the first channel 31; the other end of the second channel 32 is a mud suction port; the lower end of the first channel 31 is provided with a water inlet 34, and the upper end is provided with a mud discharge opening 35. Wherein, the inner diameter of the water inlet 34 is smaller than the inner diameter of the mud discharging opening 35, and the inner diameter of the first channel 31 is gradually increased from bottom to top.
In the present embodiment, the water inlet pipe assembly 4 includes one main water inlet pipe 41 and nine sub water inlet pipes 42 vertically connected to the main water inlet pipe 41; one end of the main water inlet pipe 41 is connected with the outlet 22 of the first pump body 2; at least part of the main water inlet pipeline 41 is transversely arranged below each second pump body 3, so that the secondary water inlet pipelines 42 are connected with the water inlets 34 of the second pump bodies 3 in a one-to-one correspondence.
The sludge discharge pipe assembly 5 includes one main sludge discharge pipe 51 and nine secondary sludge discharge pipes 52 vertically connected to the main sludge discharge pipe 51; one end of the main sludge discharge pipe 51 extends into the sludge discharge channel 91; at least part of the main sludge discharge pipes 51 are transversely arranged above each second pump body 3, so that the secondary sludge discharge pipes 52 are connected with the outlets 22 of the second pump bodies 3 in a one-to-one correspondence.
In the sludge discharging device for mine water treatment, an inlet 21 of the second pump body 3 is connected with the first pump body 2 through the water inlet pipe assembly 4, the first pump body 2 arranged in the clear water layer 92 of the mine water pre-sedimentation adjusting tank 9 sucks clear water of the mine water pre-sedimentation adjusting tank 9 into the second pump body 3 through the water inlet pipe assembly 4, negative pressure is formed in the second pump body 3 after water is supplied, so that coal sludge of the mine water pre-sedimentation adjusting tank 9 is sucked into the second pump body 3 through the other inlet 21, and the coal sludge in the tank is discharged through the sludge discharging pipe assembly 5. The mud discharging mode meets the production requirement; the first pump body 2 is operated on the clean water layer 92, so that accidents such as blockage and burning are reduced, the maintenance rate and the accident rate are reduced, and the safety and reliability are realized.
Claims (8)
1. The mud discharging device is used for being arranged above the mine water pre-sedimentation and discharging coal mud in the pond and is characterized by comprising a working truss, a first pump body and a second pump body, wherein the working truss is arranged on the mine water pre-sedimentation adjusting pond in a crossing manner; the first pump body is arranged on a clear water layer of the mine water pre-sedimentation regulating tank, and an inlet of the first pump body is arranged on the clear water layer of the mine water pre-sedimentation regulating tank; the inlet of the second pump body is divided into two paths, one path is connected with the outlet of the first pump body through the water inlet pipe assembly, the other path extends into the bottom of the mine water pre-sedimentation adjusting tank through the mud suction pipe, the outlet of the second pump body is connected to the mud discharge ditch through the mud discharge pipe assembly, the first pump body pumps water in the clear water layer into the second pump body through the water inlet pipe assembly and discharges the water from the outlet of the second pump body, so that negative pressure is formed at the other inlet of the second pump body, and then coal slurry at the bottom of the mine water pre-sedimentation adjusting tank is sucked into the second pump body and discharged along with water from the outlet of the second pump body.
2. The sludge discharge device for mine water treatment according to claim 1, wherein the inlet of the second pump body comprises a water inlet and a sludge suction port, a first channel and a second channel are arranged in the second pump body, one end of the second channel is communicated with the first channel, and the other end of the second channel is the sludge suction port; one end of the first channel is a water inlet, and the other end outlet of the first channel is a sludge discharge port.
3. The mud discharging apparatus as set forth in claim 2, wherein the first passage is provided longitudinally and the second passage is provided transversely; the lower end of the first channel is a water inlet, and the upper end is a mud discharging opening.
4. A sludge discharge apparatus as claimed in claim 3, wherein the water inlet has an inner diameter smaller than the inner diameter of the sludge discharge opening, and the inner diameter of the first passage increases gradually from bottom to top.
5. A mud-discharge apparatus as claimed in claim 3, wherein the inlet pipe assembly comprises a main inlet pipe and a secondary inlet pipe vertically connected to the main inlet pipe; one end of the main water inlet pipeline is connected with an outlet of the first pump body; at least part of the main water inlet pipeline is transversely arranged below each second pump body, so that the secondary water inlet pipeline is connected with the water inlets of the second pump bodies in one-to-one correspondence.
6. The mud discharge apparatus as set forth in claim 5, further comprising a coupler, wherein the first pump body is connected to the main water intake pipe through the coupler.
7. The mud discharging apparatus as set forth in claim 5, wherein the mud discharging pipe assembly comprises a main mud discharging pipe and a sub mud discharging pipe vertically connected to the main mud discharging pipe; one end of the main sludge discharge pipeline extends into the sludge discharge ditch; at least part of the main mud discharging pipelines are transversely arranged above each second pump body, so that the secondary mud discharging pipelines are connected with the outlets of the second pump bodies in one-to-one correspondence.
8. The mud discharging apparatus as set forth in claim 1, wherein the inlet of the first pump body is provided at a clean water layer of the mine water preliminary sedimentation adjusting tank, and a filter screen is provided at the inlet of the first pump body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320690950.6U CN219792532U (en) | 2023-03-31 | 2023-03-31 | Mud discharging device for mine water treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320690950.6U CN219792532U (en) | 2023-03-31 | 2023-03-31 | Mud discharging device for mine water treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219792532U true CN219792532U (en) | 2023-10-03 |
Family
ID=88182925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320690950.6U Active CN219792532U (en) | 2023-03-31 | 2023-03-31 | Mud discharging device for mine water treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219792532U (en) |
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2023
- 2023-03-31 CN CN202320690950.6U patent/CN219792532U/en active Active
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