CN210545667U - Improve diverging device of clean coal productivity and ash content - Google Patents
Improve diverging device of clean coal productivity and ash content Download PDFInfo
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- CN210545667U CN210545667U CN201921458441.0U CN201921458441U CN210545667U CN 210545667 U CN210545667 U CN 210545667U CN 201921458441 U CN201921458441 U CN 201921458441U CN 210545667 U CN210545667 U CN 210545667U
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Abstract
The utility model relates to an improve diverging device of clean coal productivity and ash content, including input pipeline, storage device, transportation water pump, valve, pressurization concentrate pond and output pipeline, the right-hand member below of input pipeline is provided with storage device, storage device is linked together through changeing the drain pump with output pipeline's one end, output pipeline's below is provided with the concentrate pond, input pipeline's input port department is provided with the water pump. The utility model discloses a water pipe handles the dehydration to the underflow through sedimentation centrifuge, then transports to storage device in, prevents that the underflow from directly flowing into the effect that receives the pressure filter in the concentrate pond, leads to too hard, the ash content is not conform to the quality requirement, provides the security performance of device and the quality of product, can improve the ash content of clean coal through the input pipeline simultaneously.
Description
Technical Field
The utility model relates to a coal mine machinery, more specifically relates to an improve diverging device of clean coal productivity and ash content.
Background
With the change of market, the requirements of the manufacturers and customers for washing raw coal from different coal mine production factories on product indexes are continuously changed. With the change of market demands, some coal mine manufacturers begin to produce clean coal, and ash content needs to be lower than 7.50%; and the ash content of the density grade of-1.4 mm in the raw coal is only 5.29 percent, because the ash content is very low, the ash content of the heavy medium clean coal obtained by the raw coal cannot be increased, and the heavy medium clean coal occupies the vast majority of the total clean coal, so that the yield of the clean coal is lower.
In coal mine production, a thickener is a device for treating slime water, and clear water overflowing from the thickener is called overflow water; the coal slime deposited at the lower part is collected into a pipeline and is pumped to a treatment device through a pump, the deposited coal slime is called as underflow, the underflow flows into a concentrate pool, then a flotation machine arranged at the concentrate pool is used for sorting and a pressure filter is used for filtering to obtain clean coal, the ash content of the clean coal obtained after mixing is not a lifting space due to the limitation of the coal quality of the heavy medium clean coal and the coarse clean coal slime, and the whole clean coal ash content is lifted only by adjusting the ash content of the flotation clean coal.
The common practice for raising the ash content of the whole clean coal is to directly feed the underflow into a concentrate pond to raise the ash content of the clean coal, but this practice results in excessive force of a pressure filter and results in the ash content of the product not meeting the quality requirement.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a diverging device that improves clean coal productivity and ash content is provided to the underflow directly lets in the concentrate pond and leads to the product ash content to be not conform to quality requirements's problem in solving above-mentioned background art.
In order to solve the above problem, the utility model provides a following technical scheme:
the utility model provides an improve diverging device of clean coal productivity and ash content, includes input pipeline, storage device, transportation water pump, valve, pressurization concentrate pond and output pipeline, still be provided with centrifuge on the input pipeline, the right-hand member below of input pipeline is provided with storage device, and inside the lower extreme of input pipeline extended to storage device, the valve sets up on the input pipeline, storage device is linked together through the rotary discharge pump with output pipeline's one end, output pipeline's below is provided with the concentrate pond, input pipeline's input port department is provided with the transportation water pump.
The underflow flows in through an inlet of an input pipeline, then the centrifuge carries out treatment and dehydration on the underflow, the treated underflow is transported to a storage device through the input pipeline, and then the treated underflow is transported to a concentrate pool through an output pipeline from the storage device, the water content of the underflow which is not treated by the centrifuge is excessive and heavy, and the underflow directly flows into the concentrate pool and is acted by a pressure filter, so that the force is too strong, the ash content of a finished product to be produced is not in accordance with the quality requirement, the safety performance of the device and the quality of the product are provided, and the ash content of the clean coal can be improved through the input pipeline.
As a further aspect of the present invention: the centrifuge comprises a first screen decanter centrifuge, a second screen decanter centrifuge; the input pipeline comprises a first pipeline, a second pipeline and a flow dividing pipe, one end of the first pipeline and one end of the second pipeline are connected with external equipment, a first screen sedimentation centrifuge is arranged on the first pipeline, the other end of the first pipeline extends to the inside of the storage device, a second screen sedimentation centrifuge is arranged on the second pipeline, the other end of the second pipeline extends to the inside of the storage device, the flow dividing pipe communicated with the second pipeline is further arranged on one side, close to an input port of the second pipeline, of the second screen sedimentation centrifuge on the second pipeline, and the right end of the flow dividing pipe extends to the inside of the storage device.
As a further aspect of the present invention: the valve includes first valve, second valve, first valve sets up on the shunt tubes and is close to the junction of shunt tubes and second pipeline, the second valve sets up on the second pipeline between the junction of shunt tubes, second pipeline and the second screen cloth sedimentation centrifuge, first valve is used for controlling the break-make of shunt tubes, the second valve is used for controlling the break-make of second pipeline transportation underflow. The flow pipe is made of waste pipes, so that resources are saved, the flow distribution of the underflow is realized through the arrangement of the flow distribution pipes, the underflow passing through the flow distribution pipes directly enters the storage barrel, and the process of treatment by a sedimentation centrifuge of a first screen is avoided, so that the ash content and the yield of the flotation clean coal are improved, the electric energy is saved, the manual maintenance cost is avoided, and the high economic value is realized; the first valve and the second valve can be manual valves or electronic valves, and can be selected according to actual requirements.
As a further aspect of the present invention: storage device is including buffering subassembly, bucket, top cap, storage device, the bottom of bucket is provided with the buffering subassembly, and the buffering subassembly is made for elastic material, plays the effect of buffering protection, the upper end and the top cap threaded connection of bucket, the convenient dismantlement, three through-hole has been seted up on the top cap, the through-hole cooperatees and holds first pipeline, second pipeline, shunt tubes and pass through, still be provided with a plurality of observation window on the top cap.
The working condition in the storage barrel can be observed through the observation window, so that the water pump is regulated to prevent excessive overflow of underflow in the storage barrel; the buffer assembly can reduce the collision between the underflow and the storage device and prolong the service life of the storage device, the top cover is also provided with a plurality of observation windows, the observation windows can be provided with transparent toughened glass, and the working condition inside the storage barrel can be observed through the observation windows, so that the water pump is adjusted to prevent the overflow of the underflow inside the storage barrel.
As a further aspect of the present invention: the conveying water pump comprises a first water pump and a second water pump, the first water pump is arranged at the left end of the first screen sedimentation centrifuge, and the first water pump is arranged on the first pipeline; the second water pump is arranged at the left end of the flow dividing pipe and is arranged on the second pipeline.
The first water pump and the second water pump are used for conveying underflow, and the operation is simple and convenient by controlling the water pumps to convey.
As a further aspect of the present invention: the output pipeline comprises a third pipeline and a fourth pipeline, the third pipeline is of a three-way pipe structure and comprises a first passage, a second passage and a third passage, the first passage of the third pipeline is communicated with the storage barrel through a third water pump, the second passage of the third pipeline is communicated with external equipment, the third passage of the third pipeline is communicated with one end of the fourth pipeline, and the other end of the fourth pipeline extends to the inside of the pressurized concentrate tank.
And the bottom flow flows into the pressurized concentrate pool through a third pipeline and a fourth pipeline by a third water pump for processing.
As a further aspect of the present invention: and a third valve is arranged at the second passage of the third pipeline, and a fourth valve is arranged at the joint of the fourth pipeline, which is close to the third pipeline, and the fourth pipeline.
When the pressure-increasing device works, the third valve is closed, and the fourth valve is opened, so that the underflow flow is realized into the pressure concentrate tank.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a water pipe passes through centrifuge and handles the dehydration to the underflow, then transports to storage device in, and the underflow moisture that does not pass through centrifuge is heavy by weight, and direct flow receives the effect of pressure filter in advancing the concentrate pond, can lead to exerting oneself too violently to the finished product ash content that leads to will producing is not conform to the quality requirement, provides the security performance of device and the quality of product.
2. The buffer assembly can reduce the collision between the underflow and the storage device and prolong the service life of the storage device, the top cover is also provided with a plurality of observation windows, the observation windows can be provided with transparent toughened glass, and the working condition inside the storage barrel can be observed through the observation windows, so that the water pump is adjusted to prevent the overflow of the underflow inside the storage barrel.
3. The flow pipe is made of waste pipes, resources are saved, the flow distribution of the underflow is realized through the arrangement of the flow distribution pipes, the underflow passing through the flow distribution pipes directly enters the storage barrel, and the process of treating by a sedimentation centrifuge of a first screen is avoided, so that the ash content and the yield of the flotation clean coal are improved, electric energy is saved, the manual maintenance cost is avoided, and the high economic value is realized.
Drawings
In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the drawings that are needed in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention.
Fig. 1 is a schematic structural diagram of the flow dividing device for improving the yield of clean coal and ash content provided by the present invention.
Fig. 2 is a schematic perspective view of a storage device in the flow dividing device for improving the yield of clean coal and ash content.
In the figure: 1-input pipe, 101-first pipe, 102-second pipe, 103-shunt pipe, 2-storage device, 201-buffer assembly, 202-storage barrel, 203-top cover, 204-observation window, 3-first water pump, 302-second water pump, 303-third water pump, 4-valve, 401-first valve, 402-second valve, 403-third valve, 404-fourth valve, 5-pressurized concentrate tank, 6-output pipe, 601-third pipe, 602-fourth pipe.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
Fig. 1 is the utility model provides an improve constructional schematic diagram among diverging device of clean coal productivity and ash content, please refer to fig. 1, in the embodiment of the utility model, an improve diverging device of clean coal productivity and ash content, including input pipeline 1, storage device 2, transportation water pump 3, valve 4, pressurization concentrate pond 5 and output pipeline 6, be provided with centrifuge on the input pipeline 1, the right-hand member below of input pipeline 1 is provided with storage device 2 and input pipeline 1's lower extreme and extends to storage device 2 inside, valve 4 sets up on input pipeline 1, one side of storage device 2 is linked together through changeing the drain pump with output pipeline 6's one end, output pipeline 6's discharge gate department is provided with concentrate pond 5, input pipeline 1's input port department is provided with transportation water pump 3.
The underflow directly flows into a concentrate tank without being treated, more water and larger mass are generated, the force is too strong under the action of a pressure filter, the produced finished product ash does not meet the quality requirement, the underflow is treated and dehydrated through a centrifugal machine and then is conveyed into a storage device, and therefore the safety performance of the device and the quality of the product are improved.
Further, the centrifuge comprises a first screen decanter centrifuge and a second screen decanter centrifuge, the input pipeline 1 comprises a first pipeline 101, a second pipeline 102 and a shunt pipe 103, one end of each of the first pipeline 101 and the second pipeline 102 is connected with external equipment for transporting underflow, the first pipeline 101 is provided with the first screen decanter centrifuge, the other end of the first pipeline 102 extends to the inside of the storage device 2, the second pipeline 102 is provided with the second screen decanter centrifuge, the other end of the second pipeline 102 extends to the inside of the storage device 2, the first screen decanter centrifuge is used for treating underflow for dewatering, the second pipeline 102 is further provided with an input port 103 communicated with one side of the second screen decanter centrifuge close to the second pipeline 102, and the second pipeline 102 is connected with the shunt pipe 103 in a flange manner, the right end of the shunt pipe 103 extends to the inside of the storage device 2, and after the underflow flows in through the input ports of the first pipeline and the second pipeline, the underflow is processed by the first screen sedimentation centrifuge and the second screen sedimentation centrifuge respectively and is discharged from the output ports of the first pipeline and the second pipeline.
Optionally, the number of the shunt tubes 103 is several, preferably one, and meanwhile, the shunt tubes 103 are made of waste pipes, so that resources are saved, by setting the shunt tubes 103, the shunt of the underflow is realized, the underflow passing through the shunt tubes 203 directly enters the storage device 2, and the process of treating by a first screen sedimentation centrifuge is avoided, so that the ash content and the yield of the flotation clean coal are improved, the electric energy is also saved, the manual maintenance cost is avoided, and the high economic value is achieved.
The valve 4 includes a first valve 401 and a second valve 402, the first valve 401 is disposed on the diversion pipe 103 and near the connection between the diversion pipe 103 and the second pipe 102, the second valve 402 is disposed on the second pipe 102 between the connection between the diversion pipe 103 and the second pipe 102 and the second screen sedimentation centrifuge, the first valve 401 and the second valve 402 may be manual valves or electronic valves, the first valve 401 is used to control the on-off of the diversion pipe 103, and the second valve 402 is used to control the on-off of the underflow transported by the second pipe 102.
By closing the second valve 402 and opening the first valve 401, when the underflow flows in from the first pipe 101 and the second pipe 102, the underflow in the first pipe passes through the first screen sedimentation centrifuge to be treated and flows out, and the underflow in the second pipe directly flows out through the shunt pipe, and the low flows after flowing out are mixed to improve the ash content.
Fig. 2 is a schematic perspective view of a storage device in a split-flow device for improving clean coal yield and ash content according to the present invention, as shown in fig. 2, in order to reduce collision between underflow and the storage device 2 and prolong the service life of the storage device 2, the storage device 2 includes a buffering component 201, a storage barrel 202, a top cover 203, and an observation window 204, the bottom of the storage barrel 202 is provided with the buffering component 201, the storage barrel 202 is placed on the buffering component 201, the buffering component 201 is made of an elastic material and plays a role of buffering protection, the upper end of the storage barrel 202 is in threaded connection with the top cover 203 for convenient disassembly, the top cover 203 is provided with three through holes, the through holes are matched to accommodate the first pipeline 101, the second pipeline 102, and the split-flow pipe 103 to pass through, the top cover 203 is further provided with a plurality of observation windows 204, through the observation windows 204, the working conditions inside the storage barrel, therefore, the transport water pump 3 is adjusted to prevent excessive overflow of the underflow in the storage barrel 202, and the shunt pipe 103 can be made of a waste water pipe.
Further, the transport water pump 3 includes a first water pump 301 and a second water pump 302, the first water pump 301 and the second water pump 302 are used for transporting underflow, the first water pump 301 is disposed at the left end of the first screen sedimentation centrifuge, the first water pump 301 is disposed on the first pipeline 101, an input port and an output port of the first water pump 301 are both connected to the first pipeline 101 through flanges, the second water pump 302 is disposed at the left end of the second pipeline 102, the second water pump 302 is disposed on the second pipeline 102, and an input port and an output port of the second water pump 302 are both connected to the second pipeline 102 through flanges.
The output pipeline 6 comprises a third pipeline 601 and a fourth pipeline 602, the third pipeline 601 is of a three-way structure, the third pipeline 601 comprises a first passage, a second passage and a third passage, wherein the first passage of the third pipeline 601 is communicated with the storage barrel 202 through a third water pump 303, the second passage of the third passage is communicated with external equipment, the third passage of the third pipeline 601 is communicated with one end of the fourth pipeline 602 through a flange, the other end of the fourth pipeline 602 extends to the inside of the pressurized concentrate pool 5, a third valve is arranged at the second passage of the third pipeline 601, and a fourth valve is arranged at the position, close to the connection position of the third pipeline 601 and the fourth pipeline 602, of the fourth pipeline 602.
The working principle is as follows: low flow flows in from the first pipeline 101 and the second pipeline 102, when the ash content of the clean coal does not need to be improved, the second valve 402 is closed and the first valve 401 is opened, the bottom flow enters the storage device 2 through the first pipeline 101 and the second pipeline 102 and the first screening sedimentation centrifuge and the second screening sedimentation centrifuge respectively, and then enters the pressurized concentrate pool 5 through a third water pump, and the clean coal is obtained by sorting through an external flotation machine and filtering through a pressurized filter; the first screening sedimentation centrifuge and the second screening sedimentation centrifuge are used for treating underflow dewatering.
When the ash content of the clean coal needs to be improved, the first valve 402 is closed, the second valve 401 is opened, the underflow enters the storage barrel 202 through the shunt pipe 103 and the first pipeline 101, the fourth valve is opened, the third valve is closed, the underflow enters the pressurized concentrate pool 5, then the underflow is sorted through the flotation machine, concentrate water meeting the requirements is sorted, and after the concentrate water is filtered through the pressurized filter, the clean coal meeting the requirements is produced, and the clean coal can be transported to the outside of the clean coal bin for sale.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The flow dividing device for improving the yield of clean coal and the ash content is characterized by comprising an input pipeline (1), a storage device (2), a conveying water pump (3), a valve (4), a pressurized concentrate pool (5) and an output pipeline (6), wherein a centrifugal machine is further arranged on the input pipeline (1); the improved ore dressing machine is characterized in that a storage device (2) is arranged below the right end of the input pipeline (1), the lower end of the input pipeline (1) extends to the inside of the storage device (2), the valve (4) is arranged on the input pipeline (1), one side of the storage device (2) is communicated with one end of the output pipeline (6) through a rotary draining pump, a concentrate pond (5) is arranged at the position of a discharge port of the output pipeline (6), and a transportation water pump (3) is arranged at the position of an input port of the input pipeline (1).
2. The split device for improving clean coal yield and ash content according to claim 1, wherein the centrifuge comprises a first screen decanter centrifuge, a second screen decanter centrifuge;
the input pipeline (1) comprises a first pipeline (101), a second pipeline (102) and a shunt pipe (103), one ends of the first pipeline (101) and the second pipeline (102) are connected with external equipment, a first screen sedimentation centrifuge is arranged on the first pipeline (101), the other end of the first pipeline (101) extends to the inside of the storage device (2), a second screen sedimentation centrifuge is arranged on the second pipeline (102), the other end of the second pipeline (102) extends to the inside of the storage device (2), the shunt pipe (103) communicated with one another is further arranged on one side, close to an input port of the second pipeline (102), and the right end of the shunt pipe (103) extends to the inside of the storage device (2);
the valve (4) comprises a first valve (401) and a second valve (402), the first valve (401) is arranged on the shunt pipe (103) and close to the joint of the shunt pipe (103) and the second pipeline (102), and the second valve (402) is arranged on the second pipeline (102) between the joint of the shunt pipe (103) and the second pipeline (102) and the second screen sedimentation centrifuge.
3. The flow dividing device for improving the yield of clean coal and the ash content according to claim 2, wherein the storage device (2) comprises a buffer component (201), a storage barrel (202), a top cover (203) and an observation window (204), the buffer component (201) is arranged at the bottom of the storage barrel (202), the buffer component (201) is made of an elastic material, the upper end of the storage barrel (202) is in threaded connection with the top cover (203), and the top cover (203) is further provided with a plurality of observation windows (204).
4. The flow dividing device for improving the yield of clean coal and the ash content of claim 3, wherein a plurality of through holes are formed in the top cover (203), the through holes are matched to accommodate the first pipeline (101), the second pipeline (102) and the flow dividing pipe (103), and the top cover (203) is respectively communicated with the first pipeline (101), the second pipeline (102) and the flow dividing pipe (103) through the through holes.
5. The flow dividing device for improving the yield of clean coal and the ash content according to any one of claims 2 to 4, wherein the transport water pump (3) comprises a first water pump (301) and a second water pump (302), and the first water pump (301) is arranged at the left end of the first screen sedimentation centrifuge; meanwhile, the first water pump (301) is arranged on the first pipeline (101);
the second water pump (302) is arranged at the left end of the shunt pipe (103), and meanwhile, the second water pump (302) is arranged on the second pipeline (102).
6. The flow dividing device for improving the yield of clean coal and the ash content according to claim 3, wherein the output pipeline (6) comprises a third pipeline (601) and a fourth pipeline (602), the third pipeline (601) is of a three-way pipe structure and comprises a first passage, a second passage and a third passage, the first passage of the third pipeline (601) is communicated with the storage barrel (202) through a third water pump (303), the second passage of the third pipeline (601) is communicated with external equipment, the third passage of the third pipeline (601) is communicated with one end of the fourth pipeline (602), and the other end of the fourth pipeline (602) extends to the inside of the pressurized concentrate pond (5).
7. The coal cleaning yield and ash improving flow dividing device according to claim 6, wherein a third valve is arranged at the second passage of the third pipeline (601), and a fourth valve is arranged at the fourth pipeline (602) close to the connection of the third pipeline (601) and the fourth pipeline (602).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921458441.0U CN210545667U (en) | 2019-09-04 | 2019-09-04 | Improve diverging device of clean coal productivity and ash content |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921458441.0U CN210545667U (en) | 2019-09-04 | 2019-09-04 | Improve diverging device of clean coal productivity and ash content |
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| Publication Number | Publication Date |
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| CN210545667U true CN210545667U (en) | 2020-05-19 |
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| CN201921458441.0U Active CN210545667U (en) | 2019-09-04 | 2019-09-04 | Improve diverging device of clean coal productivity and ash content |
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