CN210856026U - Coal water slurry comprehensive utilization system - Google Patents
Coal water slurry comprehensive utilization system Download PDFInfo
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- CN210856026U CN210856026U CN201922024167.2U CN201922024167U CN210856026U CN 210856026 U CN210856026 U CN 210856026U CN 201922024167 U CN201922024167 U CN 201922024167U CN 210856026 U CN210856026 U CN 210856026U
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Abstract
The utility model belongs to a water coal slurry comprehensive utilization system; the coal slurry ditch comprises a coal slurry ditch arranged in the middle, wherein a plurality of coal grinding units are arranged on two sides of the coal slurry ditch, a waste coal slurry groove is arranged at the tail end of the coal slurry ditch, and the waste coal slurry groove is respectively connected with inlets of coal grinding machines in the coal grinding units through waste coal slurry pumps; a finished product water-coal slurry tank connected with a plurality of coal grinding units is arranged on one side of the waste coal slurry tank; the coal grinding unit comprises a coal grinding machine, an inlet of the coal grinding machine is respectively connected with the coal bunker, the water tank and the waste coal slurry pump, an outlet of the coal grinding machine is connected with a coal grinding outlet trough, an overflow port at the upper part of the coal grinding outlet trough is connected with a first inlet of the coal slurry ditch through a pipeline, and an outlet at the lower part of the coal grinding outlet trough is connected with a finished product water coal slurry tank through a coal slurry pump and a finished product coal slurry collecting pipe; the device has the advantages of reasonable structural design, no solid waste discharge, reduction of production and maintenance cost of enterprises and reduction of labor intensity of operation and maintenance personnel.
Description
Technical Field
The utility model belongs to the technical field of the coal system thick liquid is used multipurposely, concretely relates to coal slurry is used multipurposely system.
Background
At present, a plurality of methods are available for preparing coal water slurry, but the method is generally limited to be used in a large-scale pulping process flow, and the method mainly comprises the working procedures of crushing, mixing, storing the slurry and the like, and has the following defects: 1. the used equipment is large-scale equipment, the occupied area is large, the flow design is unreasonable, a large amount of space is left unused, and the operation and the maintenance of the equipment at the later stage are not facilitated; 2. more unqualified coal slurry exists in the initial operation stage of the coal mill, and the unqualified coal slurry is directly discharged to cause waste of water resources and coal resources; 3. when the coal mill is stopped and overhauled, the pipeline and the coal slurry in the coal mill need to be washed clean, and the washed waste coal slurry and the washed water-containing coal slurry are directly discharged to cause waste of water resources and coal resources; 4. the unqualified coal slurry, the waste coal slurry and the water-containing coal slurry are directly discharged into a slag runner to be settled along with the slag, and the carbon content of the settled solid waste is high finally; but can not be directly used by downstream enterprises, so that the subsequent treatment of the part of solid waste is difficult; 5. the unqualified coal slurry, the waste coal slurry and the water-containing coal slurry are too much accumulated to cause blockage, the subsequent cleaning difficulty is large, and the labor cost is high; 6. the storage equipment of the qualified coal water slurry needs to be maintained regularly to prevent blockage or abrasion; however, the existing maintenance work has high labor intensity and labor cost and is not thorough in cleaning, and equipment can be stopped in serious cases.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the defect among the prior art, and provide a to the reasonable layout of equipment, realize operation safe and reliable and maintain simple and easy, and simultaneously can be to the coal slurry waste can effectual recycle, have structural design reasonable, do not have the useless emission admittedly, reduce enterprise's production and maintenance cost and reduce operation maintainer intensity of labour's coal slurry comprehensive utilization system.
The purpose of the utility model is realized like this: the coal slurry ditch comprises a coal slurry ditch arranged in the middle, wherein a plurality of coal grinding units are arranged on two sides of the coal slurry ditch, a waste coal slurry groove is arranged at the tail end of the coal slurry ditch, and the waste coal slurry groove is respectively connected with inlets of coal grinding machines in the coal grinding units through waste coal slurry pumps; a finished product water-coal slurry tank connected with a plurality of coal grinding units is arranged on one side of the waste coal slurry tank; the coal grinding unit comprises a coal grinding machine, the inlet of the coal grinding machine is respectively connected with a coal bunker, a water tank and a waste coal slurry pump, the outlet of the coal grinding machine is connected with a coal grinding outlet trough, the overflow port on the upper part of the coal grinding outlet trough is connected with a first inlet of a coal slurry ditch through a pipeline, and the outlet on the lower part of the coal grinding outlet trough is connected with a finished product coal slurry tank through a coal slurry pump and a finished product coal slurry collecting pipe.
Preferably, the inlet and the outlet of the coal slurry pump are respectively provided with a first tee joint and a second tee joint, the third end of the first tee joint passes through the first guiding and leaching valve and the second inlet of the coal slurry water channel, and the third end of the second tee joint passes through the second guiding and leaching valve and the third inlet of the coal slurry water channel.
Preferably, a third tee joint is arranged between the finished product coal slurry collecting pipe and the second tee joint, a first regulating valve is arranged between the third tee joint and the finished product coal slurry collecting pipe, and the third end of the third tee joint is connected with an inlet of the waste coal slurry tank through the second regulating valve.
Preferably, a third regulating valve is respectively arranged between the waste coal slurry pump and the coal mill inlets of the coal milling units.
Preferably, both ends of the finished coal slurry collecting pipe are provided with blind plates.
Preferably, a fourth regulating valve and a fifth regulating valve are respectively arranged on a pipeline between the finished product coal slurry collecting pipe and the finished product water coal slurry tank, the fourth regulating valve is arranged on one side close to the finished product coal slurry collecting pipe, and the fifth regulating valve is arranged on one side close to the finished product water coal slurry tank.
Preferably, a sixth regulating valve is arranged between the water tank and the inlet of the coal mill.
Preferably, the number of the coal grinding units is three.
Preferably, two of the coal grinding units are respectively arranged at two sides of the front end of the coal slurry ditch, the third coal grinding unit is arranged at one side of the tail end of the coal slurry ditch, and the finished coal slurry collecting pipe is arranged at the other side of the tail end of the coal slurry ditch.
The utility model discloses a to the rational arrangement of equipment, can realize operation safe and reliable and maintain simple and easy, and simultaneously can be to the waste coal thick liquid can effectual recycle, have that structural design is reasonable, do not have the advantage of useless emission admittedly, reduce enterprise's production and maintenance cost and reduction operation maintainer intensity of labour.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings, in which like reference numerals refer to like parts in the drawings. For the sake of simplicity, only the parts related to the utility model are schematically shown in the drawings, and they do not represent the actual structure as a product.
As shown in fig. 1, the utility model relates to a coal water slurry comprehensive utilization system, which comprises a coal slurry ditch 1 arranged in the middle part, wherein, a plurality of coal grinding units are arranged at two sides of the coal slurry ditch 1, a waste coal slurry groove 2 is arranged at the end of the coal slurry ditch 1, and the waste coal slurry groove 2 is respectively connected with the inlets of coal mills 4 in the coal grinding units through a waste coal slurry pump 3; a finished product water-coal slurry tank 5 connected with a plurality of coal grinding units is arranged on one side of the waste coal slurry tank 2; the coal grinding unit comprises a coal grinding machine 4, the inlet of the coal grinding machine 4 is respectively connected with a coal bunker 6, a water tank 7 and a waste coal slurry pump 3, the outlet of the coal grinding machine 4 is connected with a coal grinding outlet trough 8, the overflow port on the upper part of the coal grinding outlet trough 8 is connected with a first inlet 10 of a coal slurry ditch 1 through a pipeline, and the outlet on the lower part of the coal grinding outlet trough 8 is connected with a finished product coal slurry trough 5 through a coal slurry pump 9 and a finished product coal slurry collecting pipe 11.
Further, a first tee joint 12 and a second tee joint 13 are respectively arranged at an inlet and an outlet of the coal slurry pump 9, a third end of the first tee joint 12 passes through a first guiding and showering valve 14 and a second inlet 15 of the coal slurry ditch 1, and a third end of the second tee joint 13 passes through a second guiding and showering valve 16 and a third inlet 17 of the coal slurry ditch 1.
Further, a third tee 18 is arranged between the finished product coal slurry collecting pipe 11 and the second tee 13, a first regulating valve 19 is arranged between the third tee 18 and the finished product coal slurry collecting pipe 11, and the third end of the third tee 18 is connected with an inlet of the waste coal slurry tank 2 through a second regulating valve 20.
Further, a third regulating valve 21 is respectively arranged between the waste coal slurry pump 3 and the inlets of the coal mills 4 of the coal grinding units.
Further, both ends of the finished coal slurry collecting pipe 11 are provided with blind plates 22.
Further, a fourth regulating valve 23 and a fifth regulating valve 24 are respectively arranged on a pipeline between the finished coal slurry collecting pipe 11 and the finished water coal slurry tank 5, the fourth regulating valve 23 is arranged at one side close to the finished coal slurry collecting pipe 11, and the fifth regulating valve 24 is arranged at one side close to the finished water coal slurry tank 5.
Further, a sixth regulating valve 25 is arranged between the water tank 7 and the inlet of the coal mill 4.
Further, the number of the coal grinding units is three.
Further, two of the coal grinding units are respectively arranged at two sides of the front end of the coal slurry ditch 1, the third coal grinding unit is arranged at one side of the tail end of the coal slurry ditch 1, and the finished coal slurry collecting pipe 11 is arranged at the other side of the tail end of the coal slurry ditch 1.
A comprehensive utilization method of a coal water slurry comprehensive utilization system comprises a coal mill normal operation utilization method, a coal mill start utilization method, a coal mill overhaul utilization method and a finished product coal slurry collecting pipe maintenance method;
a. the normal operation and utilization method of the coal mill comprises the following steps:
step 1: when the coal mill 4 normally operates, the entering amount of the waste coal slurry of the third regulating valve 21 is regulated according to the coal amount entering the coal mill 4 from the coal bunker 6, and when the entering amount of the waste coal slurry is too small, water is supplemented into the coal mill 4 from the water tank 7 by regulating the opening degree of the sixth regulating valve 25 so as to meet the normal operation of the coal mill 4;
step 2: the coal water slurry in the coal mill 4 enters a finished coal water slurry tank 5 through a coal grinding outlet trough 8, a coal slurry pump 9 and a finished coal slurry collecting pipe 11;
and step 3: when the amount of the water-coal-slurry in the coal-grinding outlet trough 8 is excessive, the water-coal-slurry on the upper layer of the coal-grinding outlet trough 8 enters the coal-slurry ditch 1 through the overflow port and the first inlet 10 of the coal-slurry ditch 1 and enters the waste coal-slurry trough 2 through the coal-slurry ditch 1, and the water-coal-slurry in the waste coal-slurry trough 2 supplies the water-coal-slurry to coal grinding machines 4 in a plurality of running coal-grinding units through a waste coal-slurry pump 3 so as to achieve the purpose of recycling;
b. the coal mill start-up utilization method comprises the following steps:
step 1: determining the coal grinding unit where the coal mill 4 is started, closing the third regulating valve 21 of the coal grinding unit where the coal mill is located and the first regulating valve 19 of the coal grinding unit where the coal mill is located, and opening the sixth regulating valve 25 of the coal grinding unit where the coal mill is located and the second regulating valve 20 of the coal grinding unit where the coal mill is located; coal in the coal bin 6 of the coal grinding unit enters the corresponding coal grinding machine 4, and the water tank 7 supplies water to the coal grinding machine 4 so as to meet the operation requirement of the coal grinding machine 4;
step 2, the coal water slurry in the coal mill 4 in the start state sequentially passes through a coal grinding outlet trough 8, a coal slurry pump 9, a third end of a third tee joint 18, a second regulating valve 20 and an inlet of a waste coal slurry groove 2 to enter the waste coal slurry groove 2;
and step 3: when the amount of the water-coal slurry in the coal grinding outlet trough 8 is excessive, the water-coal slurry on the upper layer of the coal grinding outlet trough 8 enters the coal slurry ditch 1 through the overflow port and the first inlet 10 of the coal slurry ditch 1 and enters the waste coal slurry trough 2 through the coal slurry ditch 1;
and 4, step 4: the coal water slurry entering the waste coal slurry tank 2 in the step 2 and the step 3 supplies the coal water slurry to coal mills 4 in other running coal grinding units through waste coal slurry pumps 3 so as to achieve the purpose of recycling;
c. the coal mill overhauling and utilizing method comprises the following steps:
step 1: determining a coal grinding unit where the coal mill 4 in the overhaul state is located, closing a first regulating valve 19, a second regulating valve 20, a third regulating valve 21 and a sixth regulating valve 25 of the coal grinding unit where the coal grinding unit is located, and opening a first guide shower valve 14 and a second guide shower valve 16 of the coal grinding unit where the coal grinding unit is located, so that coal water slurry in pipelines on two sides of the coal mill 4, the coal grinding outlet trough 8 and the coal slurry pump 9 enters the coal slurry ditch 1 through the first guide shower valve 14 and the second guide shower valve 16;
step 2: flushing water for flushing the pipelines at two sides of the coal mill 4, the coal grinding outlet trough 8 and the coal slurry pump 9 in the step 1 enters the coal slurry ditch 1 through a first guiding and spraying valve 14 and a second guiding and spraying valve 16;
and step 3: the wastewater entering the coal slurry ditch 1 in the steps 1 and 2 supplies coal slurry to coal mills 4 in other running coal grinding units through a waste coal slurry tank 2 and a waste coal slurry pump 3 so as to achieve the purpose of recycling;
d. the maintenance method of the finished coal slurry collecting pipe comprises the following steps: and opening blind plates 22 at two ends of the finished product coal slurry collecting pipe 11 by using fourth regulating valves 23 and first regulating valves 19 in the coal grinding units, and cleaning or unblocking the interior of the finished product coal slurry collecting pipe 11.
The utility model mainly adopts the coal slurry ditch 1 as the central axis for arrangement and arrangement of the coal grinding units, the arrangement can facilitate the collection of the waste coal slurry, and it is noted that the utility model mainly relies on the gravity of the utility model, and can avoid the probability of blockage of the related pipeline when the waste coal slurry can rapidly enter the coal slurry ditch 1, in addition, each coal grinding unit can be realized to be a simple system through the arrangement, the later operation maintenance is convenient, especially, the normal operation of other coal grinding units can not be influenced when partial coal mills 7 are started and stopped by combining with the valve arranged in the utility model, and the waste coal slurry can be recycled, so as to achieve the purpose of no solid waste discharge, the device and the method of the utility model are adopted, the hundred percent utilization of coal resources and water resources can be realized, not only practiced thrift manufacturing cost, and saved the later stage to the solid cost of useless processing, in addition the utility model discloses an adopt finished product coal thick liquid collecting tube 11 can conveniently realize quick maintenance to it to guarantee the purpose of production steady operation. It should be noted that all the coal mills in the coal grinding unit are shut down when maintenance of the finished coal slurry manifold is required.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected," "connecting," and the like are to be construed broadly, and may be, for example, fixedly connected, integrally connected, or detachably connected; or communication between the interior of the two elements; they may be directly connected or indirectly connected through an intermediate, and those skilled in the art can understand the specific meaning of the above terms in the present invention according to the specific situation. The above examples are only specific illustrations of feasible embodiments of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent embodiments, modifications and alterations without departing from the technical spirit of the present invention are intended to be included in the scope of the present invention.
Claims (9)
1. A coal water slurry comprehensive utilization system is characterized in that: the comprehensive utilization system comprises a coal slurry ditch (1) arranged in the middle, wherein a plurality of coal grinding units are arranged on two sides of the coal slurry ditch (1), a waste coal slurry groove (2) is arranged at the tail end of the coal slurry ditch (1), and the waste coal slurry groove (2) is respectively connected with inlets of coal mills (4) in the coal grinding units through a waste coal slurry pump (3); a finished product water-coal slurry tank (5) connected with a plurality of coal grinding units is arranged on one side of the waste coal slurry tank (2);
the coal grinding unit comprises a coal grinding machine (4), wherein an inlet of the coal grinding machine (4) is respectively connected with a coal bunker (6), a water tank (7) and a waste coal slurry pump (3), an outlet of the coal grinding machine (4) is connected with a coal grinding outlet trough (8), an overflow port on the upper portion of the coal grinding outlet trough (8) is connected with a first inlet (10) of a coal slurry ditch (1) through a pipeline, and an outlet of the lower portion of the coal grinding outlet trough (8) is connected with a finished coal slurry tank (5) through a coal slurry pump (9) and a finished coal slurry collecting pipe (11).
2. The coal water slurry comprehensive utilization system according to claim 1, characterized in that: the inlet and the outlet of the coal slurry pump (9) are respectively provided with a first tee joint (12) and a second tee joint (13), the third end of the first tee joint (12) is connected with the second inlet (15) of the coal slurry ditch (1) through a first guiding and showering valve (14), and the third end of the second tee joint (13) is connected with the third inlet (17) of the coal slurry ditch (1) through a second guiding and showering valve (16).
3. The coal water slurry comprehensive utilization system according to claim 1, characterized in that: a third tee joint (18) is arranged between the finished product coal slurry collecting pipe (11) and the second tee joint (13), a first regulating valve (19) is arranged between the third tee joint (18) and the finished product coal slurry collecting pipe (11), and the third end of the third tee joint (18) is connected with an inlet of the waste coal slurry tank (2) through a second regulating valve (20).
4. The coal water slurry comprehensive utilization system according to claim 1, characterized in that: and a third regulating valve (21) is respectively arranged between the waste coal slurry pump (3) and the inlets of the coal mills (4) of the coal milling units.
5. The comprehensive utilization system of coal water slurry according to claim 1 or 3, characterized in that: and blind plates (22) are arranged at two ends of the finished coal slurry collecting pipe (11).
6. The coal water slurry comprehensive utilization system according to claim 1, characterized in that: a fourth regulating valve (23) and a fifth regulating valve (24) are respectively arranged on a pipeline between the finished product coal slurry collecting pipe (11) and the finished product water-coal slurry tank (5), the fourth regulating valve (23) is arranged on one side close to the finished product coal slurry collecting pipe (11), and the fifth regulating valve (24) is arranged on one side close to the finished product water-coal slurry tank (5).
7. The coal water slurry comprehensive utilization system according to claim 1, characterized in that: and a sixth regulating valve (25) is arranged between the water tank (7) and an inlet of the coal mill (4).
8. The coal water slurry comprehensive utilization system according to claim 1, characterized in that: the number of the coal grinding units is three.
9. The coal water slurry comprehensive utilization system according to claim 8, characterized in that: two of the coal grinding units are respectively arranged at two sides of the front end of the coal slurry ditch (1), the third coal grinding unit is arranged at one side of the tail end of the coal slurry ditch (1), and the finished coal slurry collecting pipe (11) is arranged at the other side of the tail end of the coal slurry ditch (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922024167.2U CN210856026U (en) | 2019-11-21 | 2019-11-21 | Coal water slurry comprehensive utilization system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922024167.2U CN210856026U (en) | 2019-11-21 | 2019-11-21 | Coal water slurry comprehensive utilization system |
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| CN210856026U true CN210856026U (en) | 2020-06-26 |
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| CN201922024167.2U Active CN210856026U (en) | 2019-11-21 | 2019-11-21 | Coal water slurry comprehensive utilization system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110747023A (en) * | 2019-11-21 | 2020-02-04 | 河南心连心化学工业集团股份有限公司 | Comprehensive utilization system and comprehensive utilization method for coal water slurry |
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2019
- 2019-11-21 CN CN201922024167.2U patent/CN210856026U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110747023A (en) * | 2019-11-21 | 2020-02-04 | 河南心连心化学工业集团股份有限公司 | Comprehensive utilization system and comprehensive utilization method for coal water slurry |
| CN110747023B (en) * | 2019-11-21 | 2024-03-15 | 河南心连心化学工业集团股份有限公司 | Comprehensive utilization system and comprehensive utilization method for coal water slurry |
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