CN211346895U - Industrial test device for cleaning and passing ball of large-diameter coal conveying reducing pipeline - Google Patents
Industrial test device for cleaning and passing ball of large-diameter coal conveying reducing pipeline Download PDFInfo
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- CN211346895U CN211346895U CN201922491154.6U CN201922491154U CN211346895U CN 211346895 U CN211346895 U CN 211346895U CN 201922491154 U CN201922491154 U CN 201922491154U CN 211346895 U CN211346895 U CN 211346895U
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Abstract
The utility model discloses an industrial test device of big pipe diameter coal conveying reducing pipeline dredging pipe ball, including a service section of thick bamboo, a service section of thick bamboo has a ball receiving section of thick bamboo through reducing pipe intercommunication, still is connected with the water injection device on the service section of thick bamboo, and the reducing dredging pipe ball has been placed to the reducing intraductal, and a service section of thick bamboo and a ball receiving section of thick bamboo keep away from one end each other and are provided with a service section of thick bamboo end cover and a ball receiving section of thick bamboo end cover respectively, still are provided with wash port and exhaust hole on the ball receiving section of thick bamboo, still are provided with discharge valve on the service. The utility model discloses an industrial test device of big pipe diameter coal conveying reducing pipeline dredging pipe logical ball utilizes water injection pressure and reducing dredging pipe ball at the intraductal operation of reducing, collects relevant operational data, can effectively measure the reducing dredging pipe ball and pass through the required pressure that passes through of reducing node to effectively eliminate the stifled pipe of the big pipe diameter slurry pipeline reducing node dredging pipe operation of long distance, block the ball risk.
Description
Technical Field
The utility model belongs to the technical field of the pipeline transportation engineering is used, a big diameter coal conveying reducing pipeline pigging leads to industrial test device of ball is related to.
Background
The pipeline engineering is used as five transportation modes in China, and is widely applied to the fields of energy, chemical engineering, mineral products and the like in China. The slurry pipeline is used as a novel conveying mode of mineral resources in China, and the inner wall of the pipeline is clean and free of impurities before use. The pipeline engineering needs to carry out the construction operation of ball passing and pipe cleaning between stations before the pipeline engineering is put into use. In order to realize more excellent process characteristics, slurry pipelines often have special pipe sections such as reducing nodes, and the reducing nodes become key and difficult areas of interstation ball passing operation. However, the pipeline variable-diameter node is often in field line engineering, the construction operation condition is severe, and the construction of large-scale machinery cannot be carried out. Therefore, in the pipe cleaning and ball passing construction process, if accidents such as pipe blockage and ball blocking due to cleaning of balls occur at the variable-diameter nodes, repair work cannot be normally carried out, and a large amount of sewage in the pipeline is cleaned, so that the huge potential hazard of environmental pollution is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a big pipe diameter coal conveying reducing pipeline dredging pipe leads to industrial test device of ball utilizes water injection pressure and reducing dredging pipe ball at the intraductal operation of reducing, collects relevant operational data, can effectively measure the reducing dredging pipe ball and pass through the required pressure that passes through of reducing node to effectively eliminate the stifled pipe of long distance big pipe diameter slurry pipeline reducing node dredging pipe operation, block the ball risk.
The utility model discloses the technical scheme who adopts is, an industrial test device of big pipe diameter coal conveying reducing pipeline dredging pipe ball, including a ball serving section of thick bamboo, a ball serving section of thick bamboo has a ball receiving section of thick bamboo through reducing pipe intercommunication, still is connected with the water injection device on the ball serving section of thick bamboo, has placed the reducing dredging pipe ball in the reducing pipe, and a ball serving section of thick bamboo and a ball receiving section of thick bamboo keep away from one end each other and are provided with a ball serving section of thick bamboo end cover and ball receiving section of thick bamboo end cover respectively, still are provided with wash port and exhaust hole on the ball receiving section of thick bamboo, still are provided with discharge valve on.
The utility model is also characterized in that,
the reducing pipe comprises a large-diameter pipe section, a reducing head and a small-diameter pipe section which are sequentially communicated, the large-diameter pipe section is communicated with the ball serving barrel, the small-diameter pipe section is communicated with the ball collecting barrel, and the reducing spherical pig is positioned in the large-diameter pipe section.
The water injection device comprises a reservoir, the reservoir is sequentially connected with a water feeding pump and a water injection pump through pipelines, and the water injection pump is connected with a ball receiving barrel through a water injection pipe.
A flow meter is arranged on the pipeline between the water feeding pump and the water injection pump.
The water injection pipe is also provided with a control valve.
The ball collecting barrel end cover is internally provided with a cushion pad.
The water drain holes and the air exhaust holes are arranged at the top of the ball collecting cylinder and are distributed at intervals.
The exhaust valve is arranged at the top of the ball serving barrel, and a pressure gauge is arranged on the ball serving barrel and positioned on the side of the exhaust valve.
The length of the large-pipe-diameter pipe section is 15-30m, and the pipe diameter is 450-700 mm; the length of the small-diameter pipe section is 15-30m, and the pipe diameter is 400-650 mm.
The utility model has the advantages that:
(1) the utility model provides a testing device for cleaning and passing balls of large-diameter coal conveying reducing pipelines, which can accurately and truly determine the water injection pressure of the large-diameter long-distance reducing coal slurry pipeline cleaning and passing ball construction, and verify the feasibility of the construction method and the construction scheme so as to ensure the smooth long-distance construction between subsequent stations;
(2) the testing device of the utility model can verify the feasibility and reliability of the reducing spherical pig passing through the reducing pipe section between stations;
(3) the testing device of the utility model can continuously measure the running resistance of the variable diameter spherical pig in the advancing process and the sudden change resistance of the variable diameter section of the pipeline;
(4) the device of the utility model can effectively discharge air at the rear end of the pipe cleaner, ensure complete water injection and exhaust at the rear end and stable operation of the reducing spherical pig;
(5) the utility model discloses an experimental apparatus labour saving and time saving reduces the operation link.
Drawings
FIG. 1 is a schematic structural diagram of the industrial test device for cleaning and passing balls in the large-diameter coal conveying reducing pipeline of the utility model.
In the figure, 1, a reservoir, 2, a water feeding pump, 3, a water injection pump, 4, a water injection pipe, 5, a control valve, 6, a flow meter, 7, a ball sending barrel end cover, 8, a pressure gauge, 9, an exhaust valve, 10, a ball sending barrel, 11, a large-diameter pipe section, 12, a reducing spherical pig, 13, a reducing head, 14, a small-diameter pipe section, 15, a water discharge hole, 16, an exhaust hole, 17, a ball collecting barrel, 18, a cushion pad and 19, a ball collecting barrel end cover are arranged.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model relates to an industrial test device of big pipe diameter coal conveying reducing pipeline dredging pipe ball, its structure is as shown in figure 1, including a ball serving section of thick bamboo 10, ball serving section of thick bamboo 10 has a ball receiving section of thick bamboo 17 through reducing pipe intercommunication, still is connected with the water injection device on the ball serving section of thick bamboo 10, has placed reducing dredging pipe ball 12 in the reducing pipe, and ball serving section of thick bamboo 10 and ball receiving section of thick bamboo 17 keep away from one end each other and are provided with ball serving section of thick bamboo end cover 7 and ball receiving section of thick bamboo end cover 19 respectively, still are provided with wash port 15 and exhaust hole 16 on the ball receiving section of thick bamboo 17, still are provided with discharge valve 9 on the ball serving.
The reducing pipe comprises a large-diameter pipe section 11, a reducing head 13 and a small-diameter pipe section 14 which are sequentially communicated, the large-diameter pipe section 11 is communicated with the ball launching barrel 10, the small-diameter pipe section 14 is communicated with the ball receiving barrel 17, and the reducing spherical pig 12 is positioned in the large-diameter pipe section 11.
The water injection device comprises a reservoir 1, the reservoir 1 is sequentially connected with a water feeding pump 2 and a water injection pump 3 through pipelines, and the water injection pump 3 is connected with a ball receiving barrel 10 through a water injection pipe 4;
a flow meter 6 is arranged on a pipeline between the water feeding pump 2 and the water injection pump 3.
The water injection pipe 4 is also provided with a control valve 5.
A buffer pad 18 is arranged in the ball collecting barrel end cover 19.
The water discharge holes 15 and the air discharge holes 16 are arranged on the top of the ball collecting barrel 17 and distributed at intervals.
The exhaust valve 9 is arranged at the top of the ball serving barrel 10, and a pressure gauge 8 is arranged on the ball serving barrel 10 and positioned on the side of the exhaust valve 9.
The length of the large-pipe-diameter pipe section 11 is 15-30m, and the pipe diameter is 450-700 mm; the length of the small-diameter pipe section 14 is 15-30m, and the pipe diameter is 400-650 mm.
The utility model relates to a big diameter coal conveying reducing pipeline pigging leads to industrial test device's of ball working process does: the method is implemented according to the following steps:
step 1, opening an end cover 7 of a launching barrel, and pushing a reducing spherical pig 12 into an inlet of a large-diameter pipe section 11;
step 3, after water flows to the rear end of the reducing spherical pig 12, controlling the water pressure to be 0.15-0.2mpa and recording the pressure of a pressure gauge 8 and the flow of a flow meter 6 in real time, at the moment, the reducing spherical pig 12 starts to operate in the large-diameter pipe section 11, the exhaust hole 16 of the tail-end spherical pig 19 starts to exhaust, the reducing spherical pig 12 continues to operate to enter the reducing head 13 section, the advancing resistance of the reducing spherical pig 12 is increased, the reading of the pressure gauge 8 is gradually increased to 0.2-0.3mpa, the water inflow is accumulated through the flow meter 6, then the advancing distance of the reducing spherical pig 12 is judged according to the water inflow and the diameter of the pipeline, the reducing spherical pig 12 enters the small-diameter pipe section 14 through the reducing head 13 after being pressurized, the water pressure is reduced to 0.15-0.22mpa at the moment, until the reducing spherical pig 12 enters the spherical pig 17 and impacts on the cushion 18, the water completely passes through the drain hole 15 and begins to drain, pressure relief is carried out, and at the moment, the control valve 5, the water injection pump 3 and the water feeding pump 2 are closed;
step 4, opening the ball collecting cylinder end cover 19 when the pressure in the pipeline is normal pressure, and taking out the reducing spherical pig 12;
in the large-diameter pipe section 11: when the pressure of the pressure gauge 8 is stable, the reading of the flowmeter 6 is stable, and the diameter-variable spherical pig 12 operates stably in the large-diameter pipe section 11, the smoothness of the interior of the pipeline is good, and impurities are few; otherwise, the inner wall of the pipeline is rough and impurities exist;
in the 13 sections of the reducing heads: when the pressure of the pressure gauge 8 is suddenly increased and the reading of the flowmeter 6 is reduced, the reducing spherical pig 12 needs to be pressurized and passed through when entering the reducing head 13; when the pressure drops suddenly and the flow increases, the phenomena of ball clamping and blockage occur at the reducing head 13;
in the small-diameter pipe section 14: when the pressure of the pressure gauge 8 is reduced and the pressure and the flow are stable, the reducing spherical pig 12 enters the small-diameter pipe section 14 to run stably, the smoothness of the inside of the pipe is good, and impurities are few; otherwise, the inner wall of the pipeline is rough and impurities exist.
The utility model discloses an industrial test device of big pipe diameter coal conveying reducing pipeline dredging pipe logical ball, utilize water injection pressure and reducing cleaning ball to move at prototype pipeline reducing test pipe section, and collect relevant operational data, can effectively measure the dredging pipe device and pass through the required pressure that passes through of heavy-calibre slurry pipeline reducing node, with the effective later stage interstation operation reducing department leads to the ball construction operation condition of verifying, and calculate the size of interstation operation in-process water injection pressure according to the test data, with effectively eliminating long distance big pipe diameter slurry pipeline reducing node dredging pipe operation stifled pipe, card ball risk.
Claims (9)
1. The utility model provides an industrial test device of big pipe diameter coal conveying reducing pipeline dredging pipe ball, its characterized in that, including a ball serving section of thick bamboo (10), ball serving section of thick bamboo (10) have ball receiving section of thick bamboo (17) through reducing pipe intercommunication, still be connected with water injection device on ball serving section of thick bamboo (10), reducing dredging pipe ball (12) have been placed in the reducing pipe, ball serving section of thick bamboo (10) and ball receiving section of thick bamboo (17) keep away from one end each other and are provided with ball serving section of thick bamboo end cover (7) and ball receiving section of thick bamboo end cover (19) respectively, still be provided with wash port (15) and exhaust hole (16) on ball receiving section of thick bamboo (17), still be provided with discharge valve (9) on ball serving section of thick bamboo (10).
2. The industrial test device for cleaning and passing the balls through the large-diameter coal conveying reducing pipeline according to claim 1, wherein the reducing pipe comprises a large-diameter pipe section (11), a reducing head (13) and a small-diameter pipe section (14) which are sequentially communicated, the large-diameter pipe section (11) is communicated with the ball launching cylinder (10), the small-diameter pipe section (14) is communicated with the ball receiving cylinder (17), and the reducing cleaning ball (12) is positioned in the large-diameter pipe section (11).
3. The industrial test device for cleaning and passing the balls through the large-diameter coal conveying reducing pipeline according to claim 2, wherein the water injection device comprises a reservoir (1), the reservoir (1) is sequentially connected with a water feeding pump (2) and a water injection pump (3) through pipelines, and the water injection pump (3) is connected with the ball sending barrel (10) through a water injection pipe (4).
4. The industrial test device for cleaning the pipe and the passing ball of the large-diameter coal conveying reducing pipeline according to claim 3, characterized in that a flow meter (6) is arranged on the pipeline between the water feeding pump (2) and the water injection pump (3).
5. The industrial test device for cleaning the pipe and the passing ball of the large-diameter coal conveying reducing pipeline according to claim 3, characterized in that a control valve (5) is further arranged on the water injection pipe (4).
6. The industrial test device for cleaning and passing the balls through the large-diameter coal conveying reducing pipeline according to claim 3, wherein a buffer pad (18) is arranged in the ball collecting barrel end cover (19).
7. The industrial test device for cleaning and passing the balls through the large-diameter coal conveying reducing pipeline according to claim 3, wherein the water drain holes (15) and the air exhaust holes (16) are arranged at the top of the ball collecting barrel (17) and are distributed at intervals.
8. The industrial test device for cleaning and passing the balls through the large-diameter coal conveying reducing pipeline according to claim 3, wherein the exhaust valve (9) is arranged at the top of the ball sending barrel (10), and a pressure gauge (8) is arranged on the ball sending barrel (10) and positioned on the side of the exhaust valve (9).
9. The industrial test device for cleaning the pipe and passing the ball of the large-diameter coal conveying reducing pipeline according to claim 3, wherein the length of the large-diameter pipe section (11) is 15-30m, and the pipe diameter is 450-700 mm; the length of the small-diameter pipe section (14) is 15-30m, and the pipe diameter is 400-650 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922491154.6U CN211346895U (en) | 2019-12-31 | 2019-12-31 | Industrial test device for cleaning and passing ball of large-diameter coal conveying reducing pipeline |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922491154.6U CN211346895U (en) | 2019-12-31 | 2019-12-31 | Industrial test device for cleaning and passing ball of large-diameter coal conveying reducing pipeline |
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| CN211346895U true CN211346895U (en) | 2020-08-25 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111076775A (en) * | 2019-12-31 | 2020-04-28 | 陕西神渭煤炭管道运输有限责任公司 | Industrial test device and method for cleaning and passing ball of large-diameter coal conveying reducing pipeline |
| CN113898822A (en) * | 2021-09-27 | 2022-01-07 | 海洋石油工程股份有限公司 | Jumper pipe water ball pushing device and method |
-
2019
- 2019-12-31 CN CN201922491154.6U patent/CN211346895U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111076775A (en) * | 2019-12-31 | 2020-04-28 | 陕西神渭煤炭管道运输有限责任公司 | Industrial test device and method for cleaning and passing ball of large-diameter coal conveying reducing pipeline |
| CN111076775B (en) * | 2019-12-31 | 2024-06-04 | 陕西神渭煤炭管道运输有限责任公司 | Industrial test device and method for large-pipe-diameter coal conveying variable-diameter pipeline pigging through ball |
| CN113898822A (en) * | 2021-09-27 | 2022-01-07 | 海洋石油工程股份有限公司 | Jumper pipe water ball pushing device and method |
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