CN210078920U - Inclined plate sedimentation tank for preventing liquid level fluctuation - Google Patents
Inclined plate sedimentation tank for preventing liquid level fluctuation Download PDFInfo
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- CN210078920U CN210078920U CN201920540340.1U CN201920540340U CN210078920U CN 210078920 U CN210078920 U CN 210078920U CN 201920540340 U CN201920540340 U CN 201920540340U CN 210078920 U CN210078920 U CN 210078920U
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Abstract
The utility model discloses a prevent undulant inclined plate sedimentation tank of liquid level comprises feed arrangement, inclined plate sedimentation tank, overflow limit, is provided with the current stabilizer between overflow limit and feed arrangement, and the current stabilizer setting is at the same horizontal plane with the overflow limit. The flow stabilizing plate is a circular ring, takes the feeding device as a center and surrounds the feeding device, and is fixed on the wall surface of the sedimentation tank through the ribbed plate. The utility model discloses an inclined plate sedimentation tank is provided with the stabilizer that prevents the liquid level fluctuation to the stabilizer uses feed arrangement as the centre of a circle, surrounds feed arrangement, when the coal slime gets into inclined plate sedimentation tank from feed arrangement, arouses the liquid disturbance around the feed arrangement, and the stabilizer blocks around feed arrangement, and consequently the liquid level disturbance of coal slime is blockked by the stabilizer, thereby makes the disturbance of liquid level can not spread the settling zone, consequently can not lead to the fact the influence to precipitation work.
Description
Technical Field
The utility model relates to a coal dressing equipment, especially a circular cone swash plate sedimentation tank.
Background
In the coal dressing process of clean coal, the conical inclined plate sedimentation tank is arranged in the flow behind the dense medium cyclone, and the coal slime separated by the dense medium cyclone is further separated.
Hydraulic classification is an important link in coal slurry water treatment in coal preparation plants. The conical inclined plate sedimentation tank has the advantages of small occupied area, large effective sedimentation area, high sedimentation efficiency, investment saving, realization of continuous and stable underflow discharge and the like, and is widely applied to the treatment of coal slime water in various coking coal and power coal preparation plants.
The working principle of the conical inclined plate sedimentation tank is as follows: the ore pulp (coal slime water) is fed from a feeding device at the center of the sedimentation tank, is uniformly distributed by a distributor, and simultaneously changes the flowing direction of the ore pulp to rise into an inclined plate sedimentation area. Solid particles with the particle size smaller than the classification particle size in the ore pulp have the settling velocity smaller than the velocity of water flow passing through the inclined plate settling zone, namely flow out along with overflow and enter an overflow groove; the solid particles with the granularity larger than the grading granularity have the settling speed larger than the speed of water flow passing through the inclined plate settling zone, settle on the inclined plate, automatically slide down to the lower part of the settling pond by self weight after being accumulated to a certain thickness, are further concentrated and are discharged through the underflow port.
Because the separation work of circular cone type inclined plate sedimentation tank is gone on through the sediment, consequently will guarantee that the liquid velocity of flow in the circular cone type inclined plate sedimentation tank is slow, calm, steady to, when a large amount of slime water gets into the inclined plate sedimentation tank, will cause the too big liquid level disturbance that leads to of inclined plate pond pan feeding volume to be big, disturb the grading effect, influence the inclined plate and subside the grading.
Under the current production environment, in order to improve the production efficiency and the output of the coal preparation production line, the coal slime treatment capacity of the conical inclined plate sedimentation tank also exceeds the initial design workload, and a large amount of coal slime water often enters the inclined plate sedimentation tank to cause liquid level disturbance.
Therefore, it is necessary to modify the existing conical inclined plate sedimentation tank to solve the problem of liquid level disturbance.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a prevent undulant inclined plate sedimentation tank of liquid level. The utility model discloses a concrete structure does: the device consists of a feeding device, an inclined plate sedimentation tank and an overflow edge, wherein the liquid level in the inclined plate sedimentation tank and the overflow edge are on the same horizontal plane; the device is characterized in that a flow stabilizing plate is arranged between the overflow edge and the feeding device, and the flow stabilizing plate is arranged on the same horizontal plane with the overflow edge.
The inclined plate sedimentation tank for preventing liquid level fluctuation is further described as the stable plate is a circular ring, and takes the feeding device as the center and surrounds the feeding device.
The inclined plate sedimentation tank for preventing the liquid level fluctuation is further described as the flow stabilizing plate is fixed on the wall surface of the sedimentation tank through the rib plate.
In the inclined plate sedimentation tank for preventing the liquid level fluctuation, the rib plate is a plate which is longitudinally arranged, and the rib plate is arranged below the liquid level in the sedimentation tank.
The inclined plate sedimentation tank for preventing the liquid level fluctuation is further characterized in that the flow stabilizing plate is composed of at least one arc-shaped vertical surface.
The inclined plate sedimentation tank for preventing liquid level fluctuation is further characterized in that the flow stabilizing plate is formed by an inner circular ring and an outer circular ring which are formed by at least two vertical surfaces, and the two circular rings are concentric and respectively form the outer flow stabilizing plate and the inner flow stabilizing plate.
The inclined plate sedimentation tank for preventing the liquid level fluctuation is further described as follows, the outer stabilizing plate is composed of a plurality of arc-shaped surfaces, and a first gap is arranged between the arc-shaped surfaces; the inner flow stabilizing plate is composed of a plurality of arc-shaped surfaces, and a second gap is arranged between the arc-shaped surfaces; the cambered surface that constitutes outer stabilizer and the cambered surface that constitutes interior stabilizer are staggered arrangement, specifically do: the arc surface forming the outer flow stabilizing plate corresponds to the second gap, and the arc surface forming the inner flow stabilizing plate corresponds to the first gap.
In the inclined plate sedimentation tank for preventing the liquid level from fluctuating, a rib plate is arranged between the outer and inner flow stabilizing plates for connecting and fixing the outer and inner flow stabilizing plates.
The inclined plate sedimentation tank for preventing the liquid level fluctuation is further described as follows, the lower part of the flow stabilizing plate is arranged below the liquid level; the upper part of the flow stabilizing plate is arranged above the liquid level.
The inclined plate sedimentation tank for preventing liquid level fluctuation is further characterized in that the height of the flow stabilizing plate is 0.3-0.5m, and the circumference is 15-20 m.
The utility model discloses an inclined plate sedimentation tank is provided with the stabilizer that prevents the liquid level fluctuation to the stabilizer uses feed arrangement as the centre of a circle, surrounds feed arrangement, when the coal slime gets into inclined plate sedimentation tank from feed arrangement, arouses the liquid disturbance around the feed arrangement, and the stabilizer blocks around feed arrangement, and consequently the liquid level disturbance of coal slime is blockked by the stabilizer, thereby makes the disturbance of liquid level can not spread the settling zone, consequently can not lead to the fact the influence to precipitation work.
Drawings
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a schematic view of the distribution of the flow stabilizer of the present invention;
FIG. 3 is another schematic view of the distribution of the flow stabilizers;
fig. 4 is a rib plate structure view of the present invention.
Wherein: an overflow tank 1; an overflow edge 2; an outer stabilizer 3; a feeding device 4; a rib plate 5; an inner flow stabilizer 6; a conical inclined plate sedimentation tank 7.
Detailed Description
The feeding device 4 is arranged in the center of the conical inclined plate sedimentation tank 7, the diameter of a sedimentation area of the conical inclined plate sedimentation tank is 6-7m, the overflow groove 1 is arranged outside the overflow edge 2, and when the precipitated coal slime water flows into the overflow groove 1 from the overflow edge 2, the liquid level of the coal slime water in the inclined plate sedimentation tank and the overflow edge are in the same horizontal plane. Because the utility model discloses a current stabilizer is mainly for preventing the disturbance of coal slime water liquid level, consequently the utility model discloses a current stabilizer sets up the liquid level height position at the coal slime water. Specifically, the height of the flow stabilizer of the present invention is 0.3 to 0.5m, the lower portion of the flow stabilizer is immersed below the liquid level by 0.2 to 0.3m, and the upper portion of the flow stabilizer exceeds the liquid level by 0.2 to 0.3m, for example, when the height of the flow stabilizer is 0.4m, the lower portion of the flow stabilizer is immersed below the liquid level by 0.2m, and the upper portion of the flow stabilizer exceeds the liquid level by 0.2 m. The liquid level is just submerged in the middle of the flow stabilizing plate.
The flow stabilizing plate is arranged between the overflow edge and the feeding device and is close to the overflow edge, for example, the diameter of the settling zone of the conical inclined plate sedimentation tank is 6.5m, and the diameter of the flow stabilizing plate can be set to be 5.8 m.
Because the disturbance of the slime water is mainly caused by the slime water entering from the feeding device, the design is a circular ring structure which takes the feeding device as the center and surrounds the feeding device, the height of the circular ring is 0.3-0.5m, and the circumference is 15-20 m.
In order to further stabilize the liquid level, in the implementation, two rings can be arranged, one large ring is sleeved with the other slightly smaller ring, and the two rings are concentric to form the outer stabilizing plate 3 and the inner stabilizing plate 6, so that the liquid level stabilizing effect is further enhanced. In this case, the diameter of the outer flow stabilizer is 5.8m, the diameter of the inner flow stabilizer is 4.8-5m, the outer flow stabilizer is directly fixed on the inner wall of the conical inclined plate sedimentation tank through the rib plate 5, and the inner flow stabilizer is fixed on the outer flow stabilizer through the rib plate. A spider web structure is generally formed.
The ribbed plate 5 is a longitudinally arranged plate, and the ribbed plate is mainly used for fixing the flow stabilizing plate, so that the ribbed plate is arranged below the liquid level in the sedimentation tank. When the flow stabilizing plate is formed by sleeving a large circular ring and a small circular ring on the large circular ring to form an outer flow stabilizing plate and an inner flow stabilizing plate, 4-6 rib plates can be uniformly distributed on the outer side of the outer flow stabilizing plate, and 4-6 rib plates can be fixed between the outer flow stabilizing plate and the inner flow stabilizing plate and are uniformly distributed.
Another steady flow plate structure mode:
the outer stabilizer 3 is composed of a plurality of arc-shaped surfaces, and a first gap is arranged between the arc-shaped surfaces, namely, the circular ring of the outer stabilizer is composed of a sectional type circular arc.
The inner stable flow plate 6 is composed of a plurality of arc surfaces, and a second gap is arranged between the arc surfaces; namely, the circular ring of the outer flow stabilizing plate is formed by a sectional circular arc.
The cambered surface that constitutes outer stabilizer and the cambered surface that constitutes interior stabilizer are staggered arrangement, specifically do: the arc surface forming the outer flow stabilizing plate corresponds to the second gap, and the arc surface forming the inner flow stabilizing plate corresponds to the first gap. The width of the second gap is smaller than the width of the arc-shaped surface of the corresponding outer stabilizing plate. Similarly, the width of the first gap is smaller than the width of the arc-shaped surface of the corresponding inner stabilizing plate.
The outer flow stabilizing plate can be formed by three sections of arc surfaces, each section of arc surface occupies 90 degrees of the whole circular ring, the number of the formed first gaps is also three, and a single first gap occupies 30 degrees of the whole circular ring;
the inner flow stabilizing plate is composed of three sections of arc surfaces, each section of arc occupies 60 degrees of the whole circular ring, the number of the second gaps is also three, and the single second gap occupies 60 degrees of the whole circular ring. Therefore, the outer flow stabilizing plate and the inner flow stabilizing plate form a labyrinth type, in this way, part of the coal slurry can pass through the first gap and the second gap, and directly passes through the liquid level from the feeding device to reach the overflow edge without disturbance.
The utility model discloses after the installation current stabilizing plate, slowed down the fluctuation of liquid level in the inclined plate sedimentation tank, strengthened the effect of subsiding in grades, avoided influencing the classification of coal slime because of the liquid level disturbance, do benefit to coarse grain coal and subside, effectively reduced overflow aquatic coarse fraction thing content. Through detection, the content of +0.5mm level in the overflow water of the precipitation plate is obviously reduced, and the problem of 'coarse flotation' of the flotation tailings is effectively improved, so that the loss of fine clean coal is reduced, and the pressure of a tailing system is reduced.
The above is an exemplary illustration of the present invention and does not represent the protection scope of the present invention.
Claims (9)
1. A tilted plate sedimentation tank for preventing liquid level fluctuation comprises a feeding device, a tilted plate sedimentation tank and an overflow edge, wherein the height of the liquid level in the tilted plate sedimentation tank and the overflow edge are the same horizontal plane; the device is characterized in that a flow stabilizing plate is arranged between the overflow edge and the feeding device, and the flow stabilizing plate is arranged on the same horizontal plane with the overflow edge; the flow stabilizing plate is a circular ring and takes the feeding device as a center to surround the feeding device.
2. The inclined plate sedimentation tank for preventing liquid level fluctuation according to claim 1, wherein the flow stabilizer is fixed to the wall surface of the sedimentation tank by ribs.
3. The inclined plate sedimentation tank for preventing liquid level fluctuation according to claim 2, wherein the rib is a plate arranged in a longitudinal direction, and the rib is installed below the liquid level in the sedimentation tank.
4. The inclined plate sedimentation tank for preventing liquid level fluctuation according to claim 2, wherein the flow stabilizer is formed of at least one arcuate vertical surface.
5. The inclined plate sedimentation tank for preventing liquid level fluctuation according to claim 4, wherein the flow stabilizer comprises an inner ring and an outer ring formed by at least two vertical surfaces, and the two rings are concentric and respectively form the outer flow stabilizer and the inner flow stabilizer.
6. The inclined plate sedimentation tank for preventing liquid level fluctuation according to claim 5, wherein the outer flow stabilizer is formed by a plurality of arc-shaped surfaces, and a first gap is arranged between the arc-shaped surfaces; the inner flow stabilizing plate is composed of a plurality of arc-shaped surfaces, and a second gap is arranged between the arc-shaped surfaces; the cambered surface that constitutes outer stabilizer and the cambered surface that constitutes interior stabilizer are staggered arrangement, specifically do: the arc surface forming the outer flow stabilizing plate corresponds to the second gap, and the arc surface forming the inner flow stabilizing plate corresponds to the first gap.
7. The inclined plate sedimentation tank for preventing liquid level fluctuation according to claim 6, wherein ribs are provided between the outer and inner flow stabilizing plates for fixedly connecting the outer and inner flow stabilizing plates.
8. The inclined plate sedimentation tank for preventing liquid level fluctuation according to claim 1, wherein the lower portion of the flow stabilizer is disposed below the liquid level; the upper part of the flow stabilizing plate is arranged above the liquid level.
9. The inclined plate sedimentation tank for preventing liquid level fluctuation according to claim 1, wherein the flow stabilizer has a height of 0.3 to 0.5m and a circumference of 15 to 20 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920540340.1U CN210078920U (en) | 2019-04-19 | 2019-04-19 | Inclined plate sedimentation tank for preventing liquid level fluctuation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920540340.1U CN210078920U (en) | 2019-04-19 | 2019-04-19 | Inclined plate sedimentation tank for preventing liquid level fluctuation |
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| Publication Number | Publication Date |
|---|---|
| CN210078920U true CN210078920U (en) | 2020-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920540340.1U Active CN210078920U (en) | 2019-04-19 | 2019-04-19 | Inclined plate sedimentation tank for preventing liquid level fluctuation |
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|---|---|
| CN (1) | CN210078920U (en) |
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2019
- 2019-04-19 CN CN201920540340.1U patent/CN210078920U/en active Active
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| TR01 | Transfer of patent right |
Effective date of registration: 20211230 Address after: 635000 group 4, Guandu village, Shiban Town, Dachuan District, Dazhou City, Sichuan Province Patentee after: Slate coal preparation power plant of Sichuan Chuanmei Huarong Energy Co.,Ltd. Address before: 635000 group 4, Guandu village, Shiban Town, Dachuan District, Dazhou City, Sichuan Province Patentee before: SHIBAN COAL DRESSING POWER PLANT OF SICHUAN DAZHU COAL POWER (GROUP) CO.,LTD. |
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| TR01 | Transfer of patent right |