CN117771758A - Coal-water mixture precipitation tank - Google Patents
Coal-water mixture precipitation tank Download PDFInfo
- Publication number
- CN117771758A CN117771758A CN202311671654.2A CN202311671654A CN117771758A CN 117771758 A CN117771758 A CN 117771758A CN 202311671654 A CN202311671654 A CN 202311671654A CN 117771758 A CN117771758 A CN 117771758A
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- Prior art keywords
- coal
- tank body
- sedimentation tank
- water mixture
- water
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 93
- 239000000203 mixture Substances 0.000 title claims abstract description 60
- 238000001556 precipitation Methods 0.000 title description 10
- 238000004062 sedimentation Methods 0.000 claims abstract description 57
- 239000003245 coal Substances 0.000 claims abstract description 33
- 239000013049 sediment Substances 0.000 claims abstract description 7
- 239000003351 stiffener Substances 0.000 claims 2
- 239000007788 liquid Substances 0.000 abstract description 20
- 239000002245 particle Substances 0.000 abstract description 8
- 238000000926 separation method Methods 0.000 abstract description 7
- 239000012141 concentrate Substances 0.000 abstract description 2
- 230000003014 reinforcing effect Effects 0.000 description 9
- 238000005553 drilling Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000002244 precipitate Substances 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
Abstract
The invention relates to the technical field of coal-water separation, in particular to a coal-water mixture sedimentation tank, wherein a sedimentation tank body is arranged on an inclined surface of a base, a water inlet pipe communicated with the sedimentation tank body is arranged at the front end of the sedimentation tank body, a water outlet is formed in the rear end of the sedimentation tank body, a square rounding joint II is arranged at the water outlet, the height of the square rounding joint II is higher than that of the water inlet pipe, an inclined plate is arranged at the joint of the rear end of the sedimentation tank body and the bottom, a sediment outlet is formed in the inclined plate, a square rounding joint I is arranged at the sediment outlet, an upper cover is arranged at the top of the sedimentation tank body, and a plurality of guide plates are distributed at equal intervals at the bottom of the upper cover. The invention can pretreat the coal-water mixture, concentrate most of coal particles, reduce the flow of the coal-water mixture conveyed to the vibrating screen type solid-liquid separator, and timely treat the coal-water mixture by the vibrating screen type solid-liquid separator with small treatment capacity.
Description
Technical Field
The invention relates to the technical field of coal-water separation, in particular to a coal-water mixture precipitation tank.
Background
In the coal mining, coal mine gas is required to be extracted, namely drilling is carried out on a coal bed and a gas gathering area, the drilling is connected to a special pipeline, and gas in the coal bed and a goaf is extracted to the ground by using extraction equipment for use; or discharged into the total return air flow, the gas extraction effect is improved by a hydraulic punching method at present, wherein a drilling machine is adopted for pre-constructing drilling holes, and the hydraulic punching work is carried out by utilizing hydraulic force.
A large amount of coal-water mixture is produced by underground drilling and punching of a coal mine, coal particles in the coal-water mixture are required to be separated, most of the prior art uses a vibrating screen type solid-liquid separator to carry out solid-liquid separation on the coal-water mixture, but because the underground drilling machine of the coal mine has a large quantity of produced coal-water mixture flow, and because the proportion of coal particles in the coal-water mixture is low, the coal-water mixture with large flow and low concentration is separated, the vibrating screen type solid-liquid separator with larger treatment capacity is usually required, the vibrating screen type solid-liquid separator with smaller treatment capacity cannot carry out solid-liquid separation treatment on the coal-water mixture in time, however, the volume of the vibrating screen type solid-liquid separator with larger treatment capacity is increased, the equipment volume is too large, the underground space is limited, and the installation and transportation are very inconvenient.
Disclosure of Invention
The invention provides a coal-water mixture sedimentation tank, which is used for solving the problems that a vibrating screen type solid-liquid separator with small treatment capacity in the prior art cannot timely treat a coal-water mixture with large flow and low concentration, and the size of the vibrating screen type solid-liquid separator with large treatment capacity is too large.
In order to achieve the above object, the technical scheme of the present invention is as follows: the utility model provides a coal water mixture sedimentation tank, includes base and inside sedimentation tank body that is hollow structure, the cross-section of base is right trapezoid structure, the sedimentation tank body sets up on the inclined plane of base, and the purpose is the precipitate of the coal water mixture of being convenient for is discharged from the sedimentation tank body.
The front end of the sedimentation tank body is provided with a water inlet pipe communicated with the sedimentation tank body, the rear end of the sedimentation tank body is provided with a water outlet, the water outlet is provided with a square rounding joint II, the height of the square rounding joint II is higher than that of the water inlet pipe, and the coal-water mixture needing solid-liquid separation treatment can be conveyed into the sedimentation tank body through the water inlet pipe.
The sedimentation tank is characterized in that an inclined plate is arranged at the joint of the rear end of the sedimentation tank body and the bottom, a sediment outlet is formed in the inclined plate, a square rounding joint I is arranged at the sediment outlet, and the purpose is to enable the square rounding joint I to be obliquely arranged on the sedimentation tank body so that sediment can be discharged from the square rounding joint I.
The top of the sedimentation tank body is provided with the upper cover, a plurality of guide plates are arranged at equal intervals at the bottom of the upper cover, the guide plates are positioned in the sedimentation tank body, a plurality of reinforcing rods are transversely arranged in the sedimentation tank body, the reinforcing rods are arranged at the bottom of the guide plates, and the guide plates are used for enabling the flow directions of the coal-water mixture to be consistent and avoiding turbulent flow.
Further, the end part of the water inlet pipe is provided with a flange which is used for connecting a pipeline for conveying the coal-water mixture.
Further, the inside symmetry of sedimentation tank body is provided with little swash plate, two little swash plate all set up perpendicularly in the corner of sedimentation tank body.
Further, the inside of the sedimentation tank body is also symmetrically provided with large inclined plates, two large inclined plates are respectively positioned at two sides of the water outlet, the large inclined plates are oppositely arranged with the small inclined plates, and the large inclined plates and the small inclined plates play a role in guiding the coal-water mixture entering the sedimentation tank body so as to avoid the phenomenon of turbulent flow of the coal-water mixture.
Further, a plurality of lifting lugs are further arranged at the top of the upper cover, the upper cover is connected with the sedimentation box body through bolts, and the lifting lugs are convenient for hanging the upper cover and the guide plates at the bottom of the upper cover.
Through the technical scheme, the invention has the beneficial effects that:
the invention can pretreat the coal-water mixture to concentrate most of coal particles, and the coal-water mixture enters the vibrating screen type solid-liquid separator from the square rounding joint on the settling tank body, so that the flow rate of the coal-water mixture conveyed to the vibrating screen type solid-liquid separator can be effectively reduced, the concentration of the coal-water mixture is improved, the treatment capacity of the coal-water mixture to be treated is reduced, the vibrating screen type solid-liquid separator with small treatment capacity can meet the effect of treating the coal-water mixture, and the overall dimension of the vibrating screen type solid-liquid separator is reduced, so that the vibrating screen type solid-liquid separator is more suitable for underground working of coal mines.
The invention utilizes the guide plates to guide the coal-water mixture entering the settling tank body so as to ensure that the flow direction of the coal-water mixture is consistent, avoid the phenomenon of turbulent flow, and improve the effect of coal particle settling in the coal-water mixture, wherein the reinforcing rods have the effect of firmly reinforcing a plurality of guide plates so as to avoid the phenomenon of deformation of the guide plates; the small inclined plate and the large inclined plate arranged at the inner corners of the settling tank body also play a role in guiding the coal-water mixture, so that the phenomenon of turbulent flow in the process of flowing of the coal-water mixture in the settling tank body is avoided.
Drawings
FIG. 1 is a schematic diagram of a coal-water mixture settling tank of the present invention;
FIG. 2 is a schematic diagram of a settling tank for a coal-water mixture according to the present invention (excluding a base);
fig. 3 is a schematic diagram of a coal-water mixture settling tank (excluding a base) according to the present invention.
The reference numerals in the drawings are: 1 is a base, 2 is a sedimentation tank body, 3 is an inclined plate, 4 is a water inlet pipe, 5 is a flange, 6 is a square rounding joint I, 7 is a square rounding joint II, 8 is an upper cover, 9 is a guide plate, 10 is a reinforcing rod, 11 is a small inclined plate, and 12 is a large inclined plate.
Detailed Description
The invention is further described with reference to the drawings and detailed description which follow:
in the description of the present invention, it should be understood that the terms "left", "right", "upper", "lower", "transverse", "vertical", etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in fig. 1, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
As shown in fig. 1 to 3, a coal water mixture precipitation tank comprises a base 1 and a precipitation tank body 2 with a hollow structure inside, wherein the top of the precipitation tank body 1 is of an open structure, the section of the base 1 is of a right trapezoid structure, the precipitation tank body 2 is arranged on an inclined surface of the base 1, the precipitation tank body 2 is formed by welding a steel plate with the thickness of 5mm in the embodiment, and a 5mm rib plate is fixedly welded on the outer side wall of the precipitation tank body 2.
The front end of the settling tank body 2 is provided with a water inlet pipe 4 communicated with the settling tank body 2, the coal water mixture to be treated is conveyed into the settling tank body 2 through the water inlet pipe 4, a water outlet is formed in the rear end of the settling tank body 2, a square rounding joint II 7 is arranged at the water outlet, the height of the square rounding joint II 7 is higher than that of the water inlet pipe 4, the purpose of the square rounding joint II is to facilitate the coal particles in the coal water mixture to settle in the settling tank body 2, in the embodiment, after the coal particles in the coal water mixture settle in the settling tank body 2, clear water on the upper part of the coal water mixture can be discharged from the square rounding joint II 7, and the purpose of adopting the square rounding joint II 7 is to avoid turbulence when clear water is discharged.
The junction of rear end and bottom of the sedimentation tank body 2 is provided with hang plate 3, hang plate 3 welded fastening is on the sedimentation tank body 2, hang plate 3 is last to have seted up the precipitate export, and the purpose is the precipitate that is convenient for produce and discharges sedimentation tank body 2, and the precipitate exit is provided with square rounding joint one 6, and square rounding joint one 6 is located square rounding joint two 7 under in this embodiment, and the precipitate in the coal water mixture after the processing of sedimentation tank body 2 can be carried to the shale shaker solid-liquid separation machine through square rounding joint one 6.
The top of the sedimentation tank body 2 is provided with an upper cover 8, a plurality of guide plates 9 are arranged at equal interval at the bottom of the upper cover 8, the number of the guide plates 9 is 7, the guide plates 9 are welded and fixed at the bottom of the upper cover 8, the upper cover 8 is made of steel plates with the thickness of 5mm, the guide plates 9 are made of steel plates with the thickness of 3mm, the guide plates 9 are positioned in the sedimentation tank body 2, a plurality of reinforcing rods 10 are transversely arranged in the sedimentation tank body 2, the reinforcing rods 10 are arranged at the bottom of the guide plates 9, the number of the reinforcing rods 10 is 3, seamless steel pipes are adopted for manufacturing, the reinforcing rods 10 are welded and fixed at the bottom of the guide plates 9, and the guide plates 9 are firmly reinforced so as to avoid deformation of the guide plates 9.
The end of the water inlet pipe 4 is provided with a flange 5, in this embodiment, the water inlet pipe 4 is a DN200 seamless steel pipe, and the flange 5 is used for connecting a pipeline for conveying a coal-water mixture, so that the coal-water mixture is conveyed into the settling tank body 2.
The inside symmetry of sedimentation tank body 2 is provided with little swash plate 11, two little swash plate 11 all set up perpendicularly in the corner of sedimentation tank body 2, and two little swash plates 11 symmetry are installed in the both sides of inlet tube 4 in this embodiment, and little swash plate 11 welded fastening is in the corner of sedimentation tank body 2.
The inside of the sedimentation tank body 2 is also symmetrically provided with a large inclined plate 12, two large inclined plates 12 are respectively positioned at two sides of the water outlet, the large inclined plate 12 is oppositely arranged with the small inclined plate 11, in the embodiment, the large inclined plate 12 is welded and fixed with the sedimentation tank body 2 and the inclined plate 3, the large inclined plate 12 is arranged at the corner of the inside of the sedimentation tank body 2, the flow guiding effect is achieved on the coal-water mixture, and the phenomenon of turbulent flow in the process of flowing inside the sedimentation tank body 2 is avoided.
The top of upper cover 8 has still laid a plurality of lugs, upper cover 8 and precipitation tank body 1 bolted connection, and the quantity of lug is 4 in this embodiment, and the corner at upper cover 8 top is all installed to every lug, and the lug is convenient for hang guide plate 9 of upper cover 8 and upper cover 8 bottom.
When the sedimentation tank is used, the sedimentation tank body 2 is placed on the inclined surface of the base 1, the upper cover 8 is hoisted on the sedimentation tank body 2, the upper cover 8 is fixed to the top of the sedimentation tank body 2 by utilizing bolts, so that the guide plate 9 is positioned in the sedimentation tank body 2, and the water inlet pipe 4 is connected with a pipeline for conveying a coal-water mixture through the flange 5. The coal water mixture enters the settling tank body 2 through the water inlet pipe 4, the small inclined plate 11 conducts flow guiding on the coal water mixture, the flow guiding plate 9 plays a role in flow guiding on the coal water mixture in the process of flowing in the settling tank body 2, the flow direction of the coal water mixture is guaranteed to be consistent, coal particles contained in the coal water mixture in the settling tank body 2 in the process of flowing are settled, clear water on the upper portion of the coal water mixture after being settled by the settling tank body 2 is discharged from the square rounding joint II 7, the settled coal water mixture is discharged from the square rounding joint I6 and is conveyed to the vibrating screen type solid-liquid separator for solid-liquid separation, and the flow rate of the coal water mixture conveyed to the vibrating screen type solid-liquid separator is reduced and the concentration is increased.
The above embodiments are only preferred embodiments of the invention and do not limit the scope of the invention, so all equivalent changes or modifications made by the technical solution described in the patent claims are included in the scope of the invention.
Claims (5)
1. The coal-water mixture sedimentation tank is characterized by comprising a base (1) and a sedimentation tank body (2) with a hollow structure, wherein the cross section of the base (1) is of a right trapezoid structure, and the sedimentation tank body (2) is arranged on an inclined surface of the base (1);
the front end of the sedimentation box body (2) is provided with a water inlet pipe (4) communicated with the sedimentation box body (2), the rear end of the sedimentation box body (2) is provided with a water outlet, a square rounding joint II (7) is arranged at the water outlet, and the height of the square rounding joint II (7) is higher than that of the water inlet pipe (4);
an inclined plate (3) is arranged at the joint of the rear end and the bottom of the sedimentation tank body (2), a sediment outlet is formed in the inclined plate (3), and a square rounding joint I (6) is arranged at the sediment outlet;
the top of sedimentation tank body (2) is provided with upper cover (8), a plurality of guide plates (9) have been laid to equidistant interval in the bottom of upper cover (8), and guide plate (9) are located the inside of sedimentation tank body (2), a plurality of stiffener (10) have transversely been laid to the inside of sedimentation tank body (2), stiffener (10) set up the bottom at guide plate (9).
2. A settling tank for a coal water mixture as claimed in claim 1, characterized in that the end of the water inlet pipe (4) is provided with a flange (5).
3. The coal-water mixture settling tank as claimed in claim 1, wherein small inclined plates (11) are symmetrically arranged in the settling tank body (2), and the two small inclined plates (11) are vertically arranged at corners of the settling tank body (2).
4. A coal-water mixture settling tank as claimed in claim 3, wherein large inclined plates (12) are symmetrically arranged in the settling tank body (2), the two large inclined plates (12) are respectively positioned at two sides of the water outlet, and the large inclined plates (12) are arranged opposite to the small inclined plates (11).
5. The coal water mixture settling tank as claimed in claim 1, wherein a plurality of lifting lugs are further arranged on the top of the upper cover (8), and the upper cover (8) is connected with the settling tank body (1) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311671654.2A CN117771758A (en) | 2023-12-07 | 2023-12-07 | Coal-water mixture precipitation tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311671654.2A CN117771758A (en) | 2023-12-07 | 2023-12-07 | Coal-water mixture precipitation tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117771758A true CN117771758A (en) | 2024-03-29 |
Family
ID=90399084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311671654.2A Pending CN117771758A (en) | 2023-12-07 | 2023-12-07 | Coal-water mixture precipitation tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117771758A (en) |
-
2023
- 2023-12-07 CN CN202311671654.2A patent/CN117771758A/en active Pending
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