CN112665780A - Device for preventing pressure sensor from being solidified and using method thereof - Google Patents

Device for preventing pressure sensor from being solidified and using method thereof Download PDF

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Publication number
CN112665780A
CN112665780A CN202011426596.3A CN202011426596A CN112665780A CN 112665780 A CN112665780 A CN 112665780A CN 202011426596 A CN202011426596 A CN 202011426596A CN 112665780 A CN112665780 A CN 112665780A
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CN
China
Prior art keywords
valve
pipeline
pressure sensor
slurry
opening
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Pending
Application number
CN202011426596.3A
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Chinese (zh)
Inventor
王少勇
吴爱祥
王先成
董福松
王国立
阮竹恩
刘伟涛
周勃
高扬
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Beijing Jinchengxin Mine Technology Institute Co ltd
University of Science and Technology Beijing USTB
Original Assignee
Beijing Jinchengxin Mine Technology Institute Co ltd
University of Science and Technology Beijing USTB
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Application filed by Beijing Jinchengxin Mine Technology Institute Co ltd, University of Science and Technology Beijing USTB filed Critical Beijing Jinchengxin Mine Technology Institute Co ltd
Priority to CN202011426596.3A priority Critical patent/CN112665780A/en
Publication of CN112665780A publication Critical patent/CN112665780A/en
Pending legal-status Critical Current

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Abstract

The invention provides a device for preventing a pressure sensor from being solidified and a using method thereof, belonging to the technical field of paste pipeline conveying. The device comprises a pressure sensor, a tee joint, a four-way joint, a gate valve and a pipeline, wherein the gate valve controls the opening and closing state of the pipeline, the pressure sensor is connected with the pipeline, the four-way joint connects the pipeline to form the whole device, and the tee joint connects the whole device with a slurry pipe. The invention solves the problems of inconvenience in the previous test and can efficiently monitor the pressure in the slurry pipe; and can wash the remaining ground paste in the pressure sensor when not dismantling pressure sensor, when effectively promoting test efficiency, guaranteed the experiment precision.

Description

Device for preventing pressure sensor from being solidified and using method thereof
Technical Field
The invention relates to the technical field of paste pipeline conveying, in particular to a device for preventing a pressure sensor from being solidified and a using method thereof.
Background
In recent years, the paste filling technology is gradually adopted by mines due to the advantages of safety, environmental protection, high efficiency, economy and the like, and the high-concentration paste slurry prepared from the whole tailings is backfilled into an underground goaf, so that the potential safety hazard caused by the establishment of a tailing pond is eliminated, the pollution to the environment is reduced, the ground pressure can be effectively controlled, and the safety of a stope is guaranteed.
In the paste slurry conveying process, if the conveying resistance cannot be accurately monitored, accidents such as pipe blockage and pipe explosion are easily caused in the filling process, so that the whole production link is influenced. Can study the flow resistance characteristic of lotion in the pipeline effectively through the ring canal experiment, and often monitor pipeline internal pressure with pressure sensor direct and ring canal connection in the ring canal experiment, this just makes pressure sensor's washing inconvenient, and leads to tiny granule in the sauce material to stop in pressure sensor, makes pressure sensor precision descend, and thick liquids concreties in pressure sensor even for pressure sensor finally can't measure pipeline pressure. Therefore, the invention is needed to provide a device for preventing consolidation of a pressure sensor, which is suitable for a loop test, wherein the device is used for cleaning residual slurry in the pressure sensor without disassembling the pressure sensor, so that the test efficiency is effectively improved, and the test precision is ensured.
Disclosure of Invention
The invention aims to solve the technical problem of providing a device for preventing a pressure sensor from being solidified and a using method thereof, which are suitable for a ring pipe test.
The device comprises a pressure sensor, a tee joint, a four-way joint, a gate valve and a pipeline, wherein the gate valve comprises a first valve, a second valve and a third valve, the pipeline comprises a first pipeline, a second pipeline, a third pipeline and a fourth pipeline, the opening and closing states of the first pipeline are controlled by the first valve, the second valve and the third valve respectively control the opening and closing states of the second pipeline and the third pipeline, the fourth pipeline is connected with the pressure sensor, the first four-way joint pipeline, the second pipeline, the third pipeline and the fourth pipeline are connected, one end of the tee joint is connected with the first pipeline, and the whole device is connected with a slurry pipe at.
The pressure sensor is used for measuring the pressure of the slurry conveying pipeline and is connected with the four-way valve through the pipeline four.
And the second pipeline is used as a water inlet for flushing residual slurry in the pressure sensor.
And the third pipeline is used as a water outlet and used for discharging water for flushing residual slurry in the pressure sensor.
The method specifically comprises the following steps:
s1: in order to facilitate the monitoring and reading of pipeline pressure in a ring pipe experiment, the whole device is connected with a slurry pipe through a tee joint and forms an angle of 45 degrees with the horizontal plane;
s2: before the experiment begins, connecting a cleaning water pipe with a second pipeline, opening a second valve and a third valve, removing the cleaning water pipe after 5-6 seconds, and closing the second valve and the third valve;
s3: in the monitoring process, opening the first valve, and closing the second valve and the third valve to enable slurry in the ring pipe to flow through the pressure sensor through the first pipeline, so as to measure the pressure in the slurry pipe;
s4: after the measurement is finished, closing the first valve in time, and opening the second valve;
s5: opening a valve III, connecting a cleaning water pipe with a pipeline II, flushing the pipeline by using cleaning water for 10-15 s until no obvious slurry appears in the discharged sewage, and closing the valve II and the valve III;
s6: opening a second valve, simultaneously opening the second valve to further wash the slurry in the pipeline, and closing the second valve and the first valve after lasting for 1-2 s;
s7: repeating S61-2 times;
s8: opening the second valve and the third valve again to wash the residual slurry fine particles in the pressure sensor for about 10 s;
s9: repeating S82-3 times until no slurry residue exists in the discharged water;
s10: and removing the cleaning water pipe, and closing the second valve and the third valve.
The technical scheme of the invention has the following beneficial effects:
according to the scheme, the inconvenience in the previous test is solved, the pressure in the slurry pipe can be monitored more efficiently, and the method is simple, easy to implement and convenient to adjust; the residual slurry in the pressure sensor can be cleaned without disassembling the pressure sensor, so that the test efficiency is effectively improved; the whole device is simple and easy to operate, and the accuracy of the pressure sensor can be effectively ensured because residual materials in the pressure sensor are cleared away in time while the test efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of the apparatus of the present invention;
FIG. 2 is a block diagram of the present invention connected into a slurry pipe;
FIG. 3 is a side cross-sectional view of the connection of the present invention into a slurry pipe.
Wherein: 1-pressure sensor, 2-valve I, 3-valve II, 4-valve III, 5-pipeline IV, 6-pipeline I, 7-pipeline II, 8-pipeline III, 9-tee joint and 10-cross joint.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
The invention provides a device for preventing a pressure sensor from being solidified and a using method thereof.
As shown in fig. 1, the device comprises a pressure sensor 1, a tee joint 9, a cross joint 10, a gate valve and a pipeline, wherein the gate valve comprises a first valve 2, a second valve 3 and a third valve 4, the pipeline comprises a first pipeline 6, a second pipeline 7, a third pipeline 8 and a fourth pipeline 5, the opening and closing state of the first pipeline 6 is controlled by the first valve 2, the second valve 3 and the third valve 4 respectively control the opening and closing state of the second pipeline 7 and the third pipeline 8, the fourth pipeline 5 is connected with the pressure sensor 1, the cross joint 10 is connected with the first pipeline 6, the second pipeline 7, the third pipeline 8 and the fourth pipeline 5, and the tee joint 9 is connected with the first pipeline 6 and connects the whole device with a slurry pipe.
The pressure sensor 1 is used for measuring the pressure of a pipeline for conveying slurry and is connected with the cross joint 10 through a pipeline four 5.
And the second pipeline 7 is used as a water inlet for flushing residual slurry in the pressure sensor 1.
And the third pipeline 8 is used as a water outlet and used for discharging water for flushing residual slurry in the pressure sensor 1.
The device for preventing the pressure sensor from being solidified, which is suitable for the loop test and is shown in figure 1, is arranged in a loop test slurry pipe, as shown in figures 2 and 3, and the use method comprises the following steps:
s1: in order to facilitate the monitoring and reading of the pipeline pressure in the circular pipe experiment, the whole device is connected with a slurry pipe through a tee 9 and forms an angle of 45 degrees with the horizontal plane;
s2: before the experiment begins, connecting a cleaning water pipe with a second pipeline 7, opening a second valve 3 and a third valve 4, removing the cleaning water pipe after 5-6 seconds, and closing the second valve 3 and the third valve 4;
s3: in the monitoring process, the first valve 2 is opened, and the second valve 3 and the third valve 4 are closed, so that slurry in the ring pipe flows through the pressure sensor 1 through the first pipeline 6, and the pressure in the slurry pipe is measured;
s4: after the measurement is finished, closing the first valve 2 and opening the second valve 3 in time;
s5: opening a valve III 4, connecting a cleaning water pipe with a pipeline II 7, flushing the pipeline by using cleaning water for 10-15 s until no obvious slurry appears in the discharged sewage, and closing a valve II 3 and the valve III 4;
s6: opening a second valve 3, simultaneously opening a first valve 2 to further flush the slurry in the pipeline, and closing the second valve 3 and the first valve 2 after lasting for 1-2 seconds;
s7: repeating S61-2 times;
s8: opening the second valve 3 and the third valve 4 again to wash the residual slurry fine particles in the pressure sensor 1 for about 10 s;
s9: repeating S82-3 times until no slurry residue exists in the discharged water;
s10: and removing the cleaning water pipe, and closing the second valve 3 and the third valve 4.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (5)

1. An apparatus for preventing consolidation of a pressure sensor, comprising: the device comprises a pressure sensor (1), a tee joint (9), a cross joint (10), a gate valve and a pipeline, wherein the gate valve comprises a first valve (2), a second valve (3) and a third valve (4), the pipeline comprises a first pipeline (6), a second pipeline (7), a third pipeline (8) and a fourth pipeline (5), the opening and closing states of the first pipeline (6) are controlled by the first valve (2), the second valve (3) and the third valve (4) respectively control the opening and closing states of the second pipeline (7) and the third pipeline (8), the fourth pipeline (5) is connected with the pressure sensor (1), the cross joint (10) is connected with the first pipeline (6), the second pipeline (7), the third pipeline (8) and the fourth pipeline (5), one end of the tee joint (9) is connected with the first pipeline (6), and the whole device is connected with a slurry pipe at the other.
2. The apparatus for preventing consolidation of a pressure sensor of claim 1, wherein: the pressure sensor (1) is used for measuring the pressure of a pipeline for conveying slurry and is connected with the four-way joint (10) through the pipeline four (5).
3. The apparatus for preventing consolidation of a pressure sensor of claim 1, wherein: and the second pipeline (7) is used as a water inlet and used for flushing residual slurry in the pressure sensor (1).
4. The apparatus for preventing consolidation of a pressure sensor of claim 1, wherein: and the third pipeline (8) is used as a water outlet and used for discharging water for flushing residual slurry in the pressure sensor (1).
5. The method of using the pressure sensor consolidation prevention apparatus of claim 1, wherein: the method comprises the following steps:
s1: the device is connected with a slurry pipe through a tee joint (9) and forms an angle of 45 degrees with the horizontal plane;
s2: connecting a cleaning water pipe with a second pipeline (7), opening a second valve (3) and a third valve (4), removing the cleaning water pipe after 5-6 seconds, and closing the second valve (3) and the third valve (4);
s3: in the monitoring process, the first valve (2) is opened, and the second valve (3) and the third valve (4) are closed, so that slurry in the ring pipe flows through the pressure sensor (1) through the first pipeline (6), and the pressure in the slurry pipe is measured;
s4: after the measurement is finished, closing the first valve (2) and opening the second valve (3);
s5: opening a valve III (4), connecting a cleaning water pipe with a pipeline II (7), flushing the pipeline by using cleaning water for 10-15 s until no obvious slurry appears in the discharged sewage, and closing the valve II (3) and the valve III (4);
s6: opening a second valve (3), simultaneously opening a first valve (2) to further flush the slurry in the pipeline, and closing the second valve (3) and the first valve (2) after lasting for 1-2 seconds;
s7: repeating S61-2 times;
s8: opening the second valve (3) and the third valve (4) again to flush residual slurry fine particles in the pressure sensor (1) for 10 s;
s9: repeating S82-3 times until no slurry residue exists in the discharged water;
s10: and removing the cleaning water pipe, and closing the second valve (3) and the third valve (4).
CN202011426596.3A 2020-12-08 2020-12-08 Device for preventing pressure sensor from being solidified and using method thereof Pending CN112665780A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011426596.3A CN112665780A (en) 2020-12-08 2020-12-08 Device for preventing pressure sensor from being solidified and using method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011426596.3A CN112665780A (en) 2020-12-08 2020-12-08 Device for preventing pressure sensor from being solidified and using method thereof

Publications (1)

Publication Number Publication Date
CN112665780A true CN112665780A (en) 2021-04-16

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204177519U (en) * 2014-09-09 2015-02-25 中国石油化工股份有限公司 A kind of cleanable pressure sensor device
CN105628489A (en) * 2014-10-31 2016-06-01 中国葛洲坝集团股份有限公司 Motor-driven pressure test pump device for complex pipe welding line examination
CN108223850A (en) * 2018-03-15 2018-06-29 成渝钒钛科技有限公司 A kind of water seal back purge system and water seal arrangement
CN209586325U (en) * 2019-03-15 2019-11-05 鄂尔多斯市华兴能源有限责任公司 A kind of grouting pressure table cleaning device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204177519U (en) * 2014-09-09 2015-02-25 中国石油化工股份有限公司 A kind of cleanable pressure sensor device
CN105628489A (en) * 2014-10-31 2016-06-01 中国葛洲坝集团股份有限公司 Motor-driven pressure test pump device for complex pipe welding line examination
CN108223850A (en) * 2018-03-15 2018-06-29 成渝钒钛科技有限公司 A kind of water seal back purge system and water seal arrangement
CN209586325U (en) * 2019-03-15 2019-11-05 鄂尔多斯市华兴能源有限责任公司 A kind of grouting pressure table cleaning device

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Application publication date: 20210416