CN210730429U - Full-pipe high-pressure sectional flushing system for filling mining - Google Patents
Full-pipe high-pressure sectional flushing system for filling mining Download PDFInfo
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- CN210730429U CN210730429U CN201921766620.0U CN201921766620U CN210730429U CN 210730429 U CN210730429 U CN 210730429U CN 201921766620 U CN201921766620 U CN 201921766620U CN 210730429 U CN210730429 U CN 210730429U
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Abstract
The utility model belongs to the technical field of coal mining, and concretely relates to full pipe high pressure segmentation rinse-system of filling mining, it has solved prior art and has washed thoroughly, establishes the big, with high costs problem of the high-order pond degree of difficulty. The utility model comprises a clean water tank, a water supply pump, a slurry filling station, a forced draught fan, a first sedimentation tank, a shaft bottom sump, a second sedimentation tank and a mining area sump; the clean water tank is arranged at one end of the water supply pipeline, and a stop valve, a water supply pump and a water supply valve are sequentially arranged on the water supply pipeline; the tail end of the trunk filling pipe is sequentially provided with a trunk control valve, a first sedimentation tank and a well bottom sump; a branch control valve, a branch flushing valve, a second sedimentation tank and a mining area sump are sequentially arranged on the branch filling pipe; the drain pipeline is provided with an air release valve and a gate valve in sequence, and the blower fan is arranged at the tail end of the drain pipeline. The utility model adopts the sectional flushing to make the pipeline flushing effect better; after the washing, the water is discharged by air pressure, so that the accumulation of sediments in the pipeline is further prevented, and the cost for cleaning the blocked pipe is reduced.
Description
Technical Field
The utility model belongs to the technical field of the coal mining, and concretely relates to full pipe high pressure segmentation rinse-system of filling mining.
Background
The coal pressing problem of 'three lower' exists in most coal mine enterprises in China, the filling mining technology can effectively mine 'three lower' coal, and the high-concentration cementing material filling not only solves the problem of accumulation and pollution of solid waste on the ground, but also can solve the problem of safe mining of 'three lower' pressing resources. The process of filling high-concentration cemented slurry is a process of mixing and stirring coal gangue, fly ash, cement, additive and water according to a certain proportion, and conveying the mixture to an underground filling goaf by a pipeline. After the filling system is operated, a small amount of paste is deposited at the bottom in the pipeline and attached to the inner wall of the pipeline, so that the pipeline blockage accident is caused, the normal operation of the filling system is hindered, and the pipeline needs to be washed.
Chinese utility model patent publication CN200810058087.2 discloses a method for flushing a full-pipe gravity flow pipeline, which is to connect the upper end of a water supply pipeline with a high-level water pool, connect the lower end with a filling pipeline through a gate valve, and lead the filling pipeline to a goaf under a mining well; the water supply pipeline and the filling pipeline have the same pipe diameter, the outlet of the high-level water pool is higher than the outlet of the filling pipeline, gate valves are respectively arranged at the outlet of the high-level water pool and the outlet of the filling pipeline, the filling pipeline is connected with a water outlet pipe before the outlet gate valve, the water outlet pipe is provided with the gate valve, and the filling pipeline is connected with a delivery pump; and after the delivery pump stops delivering the slurry, closing the outlet gate valve of the filling pipeline, opening the gate valve on the water outlet pipe, the outlet gate valve of the high-level water pool and the gate valve between the water supply pipeline and the filling pipeline, and flushing the filling pipeline until clear water flows out from the outlet of the water outlet pipe. The invention has the advantages of simple process flow, good process continuity, high pipeline cleaning efficiency and clean removal of slurry residues.
However, in the full-pipe self-flow washing method, water and a small amount of slurry still remain in the pipe after washing, the pressure of washing water flow is realized by a high-level water pool arranged in a mine industrial field, and the washing water of a filling pipeline is completely discharged through a valve at the tail end of a working face, so that the water inflow of the coal mining working face is increased.
SUMMERY OF THE UTILITY MODEL
The utility model discloses solve prior art and wash not thoroughly, establish the problem that the high-order pond degree of difficulty is big, with high costs, provide a full pipe high pressure segmentation rinse-system of cut-in.
The utility model discloses a following technical scheme realizes: a full-pipe high-pressure sectional flushing system for filling and mining comprises a clean water tank, a water supply pump, a filling slurry station, a pressure fan, a first sedimentation tank, a well bottom water sump, a second sedimentation tank, a mining area water sump, a water supply pipeline, a drainage pipeline, a main filling pipe and a branch filling pipe;
the clean water tank is arranged at one end of the water supply pipeline, the other end of the water supply pipeline is communicated with the main filling pipe, and the water supply pipeline is sequentially provided with a stop valve, a water supply pump and a water supply valve;
a water supply pipeline between the water supply pump and the starting end of the main filling pipe is connected with a slurry filling station in parallel,
the tail end of the trunk filling pipe is sequentially provided with a trunk control valve, a first sedimentation tank and a well bottom sump;
the tail end of the trunk line filling pipe is divided into two paths, one path is sequentially provided with a trunk line control valve, a first sedimentation tank and a well bottom water sump, the other path is communicated with a branch line filling pipe, the branch line filling pipe is sequentially provided with a branch line control valve, a branch line flushing valve, a second sedimentation tank and a mining area water sump, and the branch line filling pipe between the branch line control valve and the branch line flushing valve is arranged along a filling working surface;
the water supply pipeline between the starting ends of the water supply pump and the main filling pipe is connected with a drainage pipeline, the drainage pipeline is sequentially provided with a release valve and a gate valve, the gate valve is close to a blower, and the blower is arranged at the tail end of the drainage pipeline.
Furthermore, the water supply pipeline, the water discharge pipeline, the main filling pipe and the branch filling pipe are consistent in pipe diameter.
Furthermore, a water inlet of the slurry filling station is connected with a water outlet of the water supply pump, a water supply control valve is arranged on a connecting pipeline, a discharge port of the slurry filling station is connected with one end of a main filling pipe, and a filling control valve is arranged on the connecting pipeline.
The utility model discloses compare prior art's beneficial effect:
the utility model is additionally provided with the water supply pump, and the water supply pump replaces a high-level water pool to solve the problem that the terrain of individual mine industrial sites is flat, and the high-level water pool is difficult to arrange and has high cost; the utility model adopts the filling pipeline to wash in sections to replace the whole pipeline washing, thereby preventing the accumulation of sediments in the pipeline, obviously, the pipeline is convenient and effective to wash by the washing in sections, and the washing effect is better; the utility model utilizes the wind pressure to discharge all the residual clear water in the filling pipeline after the sectional flushing, thereby further preventing the deposit accumulation in the pipeline; through the utility model discloses a no deposit in the segmentation is washed and the wind pressure drainage back pipe, thereby has reduced the incidence of stifled pipe accident and has reduced the expense of clearance stifled pipe.
Drawings
FIG. 1 is a schematic view of the utility model;
in the figure: 1-clean water tank, 2-water supply pump, 3-slurry filling station, 4-forced draught fan, 5-first sedimentation tank, 6-bottom water sump, 7-second sedimentation tank, 8-mining area water sump, 9-filling working surface, 10-main filling pipe, 11-branch filling pipe, 12-water supply pipeline, 13-water supply valve, 14-filling control valve, 15-main control valve, 16-branch control valve, 17-branch flushing valve, 18-air release valve, 19-gate valve, 20-stop valve, 21-water discharge pipeline and 22-water supply control valve.
Detailed Description
The embodiments of the present invention will be further explained with reference to the accompanying drawings:
referring to fig. 1, the utility model provides a full pipe high pressure sectional flushing system for filling and mining, which comprises a clean water tank 1, a water supply pump 2, a filling slurry station 3, a pressure fan 4, a first sedimentation tank 5, a shaft bottom sump 6, a second sedimentation tank 7, a mining area sump 8, a water supply pipeline 12, a drainage pipeline 21, a main filling pipe 10 and a branch filling pipe 11;
the clean water tank 1 is arranged at one end of a water supply pipeline 12, the other end of the water supply pipeline 12 is communicated with a main filling pipe 10, and a stop valve 20, a water supply pump 2 and a water supply valve 13 are sequentially arranged on the water supply pipeline 12;
a water supply line 12 from the water supply pump 2 to the beginning of the main filling pipe 10 is connected in parallel with the slurry filling station 3,
the tail end of the main filling pipe 10 is sequentially provided with a main control valve 15, a first sedimentation tank 5 and a well bottom sump 6;
the tail end of a trunk line filling pipe 10 is divided into two paths, one path is sequentially provided with a trunk line control valve 15, a first sedimentation tank 5 and a well bottom water sump 6, the other path is communicated with a branch line filling pipe 11, the branch line filling pipe 11 is sequentially provided with a branch line control valve 16, a branch line flushing valve 17, a second sedimentation tank 7 and a mining area water sump 8, and the branch line filling pipe 11 between the branch line control valve 16 and the branch line flushing valve 17 is arranged along a filling working surface 9;
a water supply pipeline 12 between the water supply pump 2 and the beginning end of the main line filling pipe 10 is connected with a water discharge pipeline 21, the water discharge pipeline 21 is sequentially provided with a gas discharge valve 18 and a gate valve 19, the gate valve 19 is close to the pressure fan 4, and the pressure fan 4 is arranged at the tail end of the water discharge pipeline 21.
The water supply line 12, the water discharge line 21, the main filling pipe 10 and the branch filling pipe 11 have the same pipe diameter.
The water inlet of the slurry filling station 3 is connected with the water outlet of the water supply pump 2, a water supply control valve 22 is arranged on a connecting pipeline, the discharge port of the slurry filling station 3 is connected with one end of the main filling pipe 10, and a filling control valve 14 is arranged on the connecting pipeline.
The utility model discloses an application example:
flushing of the trunk fill pipe 10:
firstly, after the slurry filling station 3 finishes conveying the filled slurry, closing the water supply control valve 22 and the filling control valve 14;
secondly, opening the water supply valve 13, closing the main line control valve 15 and the branch line control valve 16, then opening the air release valve 18, and finally opening the stop valve 20;
thirdly, the water supply pump 2 is started, the clean water tank supplies water to the main line filling pipe 10 at the moment, and the main line filling pipe 10 is filled with water when the air relief valve 18 is filled with water;
after the main filling pipe 10 is filled with water, opening a main control valve 15 to start water drainage and flushing the main filling pipe 10, discharging sundries in the main filling pipe 10 to a first sedimentation tank 5, and finally discharging the water to a well bottom sump 6 after sedimentation in the first sedimentation tank 5;
and fifthly, after the bottom water sump 6 sees clear water for 5min, closing the main line control valve 15, and finishing the flushing of the main line filling pipe 10 at the moment.
Flushing of branch filling pipe 11:
after the trunk line filling pipe 10 is flushed, closing the branch line flushing valve 17, opening the branch line control valve 16, starting water replenishing of the branch line filling pipe 11 by the water supply pump 2, and indicating that the branch line filling pipe 11 is full of water when the air relief valve 18 is filled with water;
after the branch filling pipe 11 is filled with water, opening a branch flushing valve 17 to start water drainage and flushing the branch filling pipe 11, discharging sundries in the branch filling pipe 11 to a second sedimentation tank 7, and finally discharging the water to a water sump 8 of the mining area after sedimentation in the second sedimentation tank 7;
and thirdly, after the water sump 8 of the mining area sees clean water for 5min, closing the branch control valve 16, and finishing the cleaning of the branch filling pipe 11 at the moment.
Wind pressure drainage:
firstly, after the main line filling pipe 10 and the branch line filling pipe 11 are washed, the water supply pump 2, the water supply valve 13 and the air release valve 18 are closed;
secondly, the pressure fan 4 and the gate valve 19 are started, the main line control valve 15 or the branch line control valve 16 is opened, and the residual clear water in the main line filling pipe 10 or the branch line filling pipe 11 is completely discharged.
The utility model is additionally provided with the water supply pump, and the water supply pump replaces a high-level water pool to solve the problem that the terrain of individual mine industrial sites is flat, and the high-level water pool is difficult to arrange and has high cost; the utility model adopts the filling pipeline to wash in sections to replace the whole pipeline washing, thereby preventing the accumulation of sediments in the pipeline, obviously, the pipeline is convenient and effective to wash by the washing in sections, and the washing effect is better; the utility model utilizes the wind pressure to discharge all the residual clear water in the filling pipeline after the sectional flushing, thereby further preventing the deposit accumulation in the pipeline; through the utility model discloses a no deposit in the segmentation is washed and the wind pressure drainage back pipe, thereby has reduced the incidence of stifled pipe accident and has reduced the expense of clearance stifled pipe.
Claims (3)
1. The utility model provides a full pipe high pressure segmentation rinse-system of cut-and-fill which characterized in that: the system comprises a clean water tank (1), a water supply pump (2), a slurry filling station (3), a pressure fan (4), a first sedimentation tank (5), a well bottom sump (6), a second sedimentation tank (7), a mining area sump (8), a water supply pipeline (12), a drainage pipeline (21), a main filling pipe (10) and a branch filling pipe (11);
the clean water tank (1) is arranged at one end of the water supply pipeline (12), the other end of the water supply pipeline (12) is communicated with the main filling pipe (10), and the water supply pipeline (12) is sequentially provided with a stop valve (20), a water supply pump (2) and a water supply valve (13);
a water supply pipeline (12) from the water supply pump (2) to the beginning end of the main filling pipe (10) is connected in parallel with the slurry filling station (3),
the tail end of the main filling pipe (10) is sequentially provided with a main control valve (15), a first sedimentation tank (5) and a well bottom sump (6);
the tail end of a trunk line filling pipe (10) is divided into two paths, one path is sequentially provided with a trunk line control valve (15), a first sedimentation tank (5) and a well bottom sump (6), the other path is communicated with a branch line filling pipe (11), the branch line filling pipe (11) is sequentially provided with a branch line control valve (16), a branch line flushing valve (17), a second sedimentation tank (7) and a mining area sump (8), and the branch line filling pipe (11) between the branch line control valve (16) and the branch line flushing valve (17) is arranged along a filling working surface (9);
a water supply pipeline (12) between the water supply pump (2) and the beginning end of the main filling pipe (10) is connected with a water drainage pipeline (21), the water drainage pipeline (21) is sequentially provided with a release valve (18) and a gate valve (19), the gate valve (19) is close to the pressure fan (4), and the pressure fan (4) is arranged at the tail end of the water drainage pipeline (21).
2. The cut-and-fill full pipe high pressure staged flushing system of claim 1, wherein: the water supply pipeline (12), the water discharge pipeline (21), the main filling pipe (10) and the branch filling pipe (11) have the same pipe diameter.
3. The cut-and-fill full pipe high pressure staged flushing system of claim 2, wherein: the water inlet of the slurry filling station (3) is connected with the water outlet of the water supply pump (2), a water supply control valve (22) is arranged on a connecting pipeline, the discharge port of the slurry filling station (3) is connected with one end of a main filling pipe (10), and a filling control valve (14) is arranged on the connecting pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921766620.0U CN210730429U (en) | 2019-10-21 | 2019-10-21 | Full-pipe high-pressure sectional flushing system for filling mining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921766620.0U CN210730429U (en) | 2019-10-21 | 2019-10-21 | Full-pipe high-pressure sectional flushing system for filling mining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210730429U true CN210730429U (en) | 2020-06-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921766620.0U Active CN210730429U (en) | 2019-10-21 | 2019-10-21 | Full-pipe high-pressure sectional flushing system for filling mining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210730429U (en) |
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- 2019-10-21 CN CN201921766620.0U patent/CN210730429U/en active Active
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