CN114812921A - In-service pressure measuring device and method for taking and placing device under pressure - Google Patents
In-service pressure measuring device and method for taking and placing device under pressure Download PDFInfo
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- CN114812921A CN114812921A CN202210307387.XA CN202210307387A CN114812921A CN 114812921 A CN114812921 A CN 114812921A CN 202210307387 A CN202210307387 A CN 202210307387A CN 114812921 A CN114812921 A CN 114812921A
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- ball valve
- pressure
- sealing
- drill bit
- gland
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/0007—Fluidic connecting means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/0007—Fluidic connecting means
- G01L19/0015—Fluidic connecting means using switching means
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention relates to an in-service pressure measuring device and a pressure taking and placing method thereof, wherein the device comprises a sealing part, a ball valve, a drill bit and a pressure taking element, wherein the sealing part and the pressure taking element are respectively arranged at two ends of the ball valve; the sealing component comprises an upper gland, a packing, a lower gland and a sealing box body; the packing is positioned between the upper gland and the lower gland, and the upper gland, the packing and the lower gland are wrapped between the sealing box bodies; the drill bit passes through the sealing member, the ball valve and the pressure tapping element. The invention can measure the pressure under the condition of the ball valve working; the invention adopts the filling mode to seal the medium, avoids the leakage of the liquid under pressure, is safe and reliable, and ensures the cleanness of the site by almost zero leakage; the operation method is simple and convenient, and can be operated by one person.
Description
Technical Field
The invention relates to a device and a method for taking and putting the device under pressure, in particular to an in-service pressure measuring device which is simple in operation method and can measure pressure and clean on site under the condition that a ball valve works and a method for taking and putting the device under pressure.
Background
In the fields of petroleum, chemical industry, water treatment and the like, a transport medium generates on-way resistance loss and local resistance loss when flowing in a pipeline. Due to corrosion, scaling, blockage and other reasons, the official network resistance of theoretical calculation is inconsistent with the reality and cannot be used as a calculation data basis for energy-saving reconstruction, so that the on-site pipeline pressure detection of a user is required. The pipeline under-pressure detection technology is an economic and rapid in-service pipeline pressure measurement professional technology. The pressure measuring device can complete pressure measuring operation of the pipeline under the condition of uninterrupted pipeline medium conveying. The device can be detected without stopping when running, the production progress is not influenced, and the production time is occupied. The device comprises a sealing part, a ball valve, a drill bit and a pressure measuring element, wherein the sealing part and the pressure measuring element are respectively arranged at two ends of the ball valve. The sealing component comprises an upper gland, a packing, a lower gland and a sealing box body. The high-efficiency in-service pressure measuring device can detect pressure under the condition of no production stop, is safe, reliable, simple and convenient to operate, and can be operated by one person.
Disclosure of Invention
In view of the above problems, the main object of the present invention is to provide an in-service pressure measuring device and a method for taking and putting the device under pressure, which have simple operation method and can measure pressure and clean on site under the condition of the operation of a ball valve.
The invention solves the technical problems through the following technical scheme: an in-service pressure measurement device, the in-service pressure measurement device comprising: the device comprises a sealing part, a ball valve, a drill bit and a pressure measuring element, wherein the sealing part and the pressure measuring element are respectively arranged at two ends of the ball valve;
the sealing component comprises an upper gland, a packing, a lower gland and a sealing box body;
the packing is positioned between the upper gland and the lower gland, and the upper gland, the packing and the lower gland are wrapped between the sealing box bodies;
the drill bit passes through the sealing member, the ball valve and the pressure tapping element.
In the specific implementation example of the invention, the medium passing through the ball valve is gas or liquid.
In the concrete implementation example of the invention, one end of the ball valve is connected with the sealing part end, and the other end of the ball valve is connected with a pressure measuring element for reading the pressure value.
In the embodiment of the invention, the sealing component is in threaded connection with the ball valve.
In the embodiment of the invention, the pressure taking element is in threaded connection with the ball valve.
In the embodiment of the invention, the sealing box body is in threaded connection with the upper gland and the lower gland.
In an embodiment of the invention, the drill has a diameter in the range of 2.5-5 mm.
In a specific implementation example of the invention, the overall transverse dimension of the service pressure measuring device is less than or equal to 200 mm.
A method for taking and placing under pressure of an in-service pressure measuring device comprises the following steps:
the first step is as follows: the packing rope is wound on a drill bit, the drill bit penetrates through the sealing box body, the lower pressing cover penetrates through the drill bit, the lower pressing cover is connected through threads and is screwed to the position 3/5-5/6 of the total length of the screw thread screwed into the lower pressing cover, then the upper pressing cover penetrates through the drill bit, the upper pressing cover is connected with the sealing box body through threads and is screwed to the position 1/3-1/2 of the total length of the screw thread screwed into the upper pressing cover, and the assembly of the sealing part is finished;
the second step is that: opening the ball valve, enabling the drill bit to penetrate through the ball valve, connecting the sealing component with the ball valve through threads, and screwing; at the moment, the sealing part and the ball valve are integrated, the other end of the ball valve is in threaded connection with the pressure taking element, and the pressure measuring device is assembled;
the third step: after the work is finished, rotating the sealing part, separating the sealing part from the ball valve, closing the ball valve, installing a pressure gauge, and reading a numerical value;
the fourth step: and after the pressure is taken out, closing the ball valve and taking down the pressure gauge.
The positive progress effects of the invention are as follows: the in-service pressure measuring device and the method for taking and placing the device under pressure provided by the invention have the following advantages: 1. the high-efficiency in-service pressure measuring device can measure pressure under the condition that the ball valve works; 2. the filling mode is adopted to seal the medium, so that the leakage of pressurized liquid is avoided, the safety and the reliability are realized, and the on-site cleanness is ensured due to almost zero leakage amount; 3. the operation method is simple and convenient, and can be operated by one person.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
The following are the names corresponding to the reference numbers in the invention:
the device comprises a sealing component 1, a ball valve 2, a drill bit 3 and a pressure taking element 4;
an upper gland 101, a lower gland 102, a packing 103 and a sealing box body 104.
Detailed Description
The following provides a detailed description of the preferred embodiments of the present invention with reference to the accompanying drawings.
Fig. 1 is a schematic overall structure of the present invention, as shown in fig. 1: the invention provides an in-service pressure measuring device, which comprises: the device comprises a sealing part 1, a ball valve 2, a drill bit 3 and a pressure taking element 4, wherein the sealing part 1 and the pressure taking element 4 are respectively arranged at two ends of the ball valve 2.
The sealing member 1 includes an upper gland 101, packing 103, a lower gland 102, and a gland 104.
The packing 103 is positioned between the upper gland 101 and the lower gland 102, and the upper gland 101, the packing 103 and the lower gland 102 are wrapped between the sealing box bodies 104; the drill bit 3 passes through the sealing member 1, the ball valve 2 and the pressure-extracting member 4.
The medium passing through the ball valve 2 is gas or liquid, one end of the ball valve 2 is connected with the end of the sealing part, and the other end of the ball valve 2 is connected with a pressure-taking element 4 for reading the pressure value.
The sealing component 1 is in threaded connection with the ball valve 2, and the pressure taking element 4 is in threaded connection with the ball valve 2.
The sealing box body 104 is in threaded connection with the upper gland and the lower gland, and the compression degree of the packing is adjusted through the retraction amount of the threads.
In a specific implementation process, the diameter of the drill bit 3 is in a range of 2.5-5mm, and the diameter is small, so that the diameter of a pressure tapping hole is reduced, and pressure impact is reduced. The whole transverse dimension of the service pressure measuring device is less than or equal to 200mm, and other parameters can be used in the specific manufacturing process of the invention.
The invention can detect the pressure under the condition that the ball valve works, has safe, reliable, simple and convenient operation and can realize single-person operation.
The ball valve is connected with the end of the sealing component and the pressure gauge, and reads the pressure value.
The ball valve is a standard component, so that the production time is shortened, the cost is reduced, and the universality is excellent.
The invention relates to a method for taking and placing an in-service pressure measuring device under pressure, which comprises the following steps:
the first step is as follows: the packing rope is wound on a drill bit firstly, the drill bit penetrates through the sealing box body, the lower pressing cover penetrates through the drill bit and is connected with the lower pressing cover through threads, the lower pressing cover is screwed to a position about 4/5 (4/5 of the total length of the screw thread screwed into the lower pressing cover), then the upper pressing cover penetrates through the drill bit and is connected with the sealing box body through threads, the upper pressing cover is screwed to a position about 2/5 (2/5 of the total length of the screw thread screwed into the upper pressing cover), and the assembly of the sealing part is finished;
the second step is that: opening the ball valve, enabling the drill bit to penetrate through the ball valve, connecting the sealing component with the ball valve through threads, and screwing; at the moment, the sealing part and the ball valve are integrated, the other end of the ball valve is in threaded connection with the pressure taking element, and the pressure measuring device is assembled;
the third step: after the work is finished, rotating the sealing part, separating the sealing part from the ball valve, closing the ball valve, installing a pressure gauge, and reading a numerical value;
the fourth step: and after the pressure is taken out, closing the ball valve and taking down the pressure gauge.
The whole process is simple, safe and quick to operate.
Through the efficient in-service pressure measuring method, the pressure measuring drill bit can be taken out and put in without stopping production, and meanwhile, the operation is safe, reliable, simple and convenient, and can be operated by one person.
The invention can measure the pressure without stopping production; the invention adopts the filling mode to seal the medium, avoids the leakage of the liquid under pressure, is safe and reliable, and ensures the cleanness of the site by almost zero leakage; the operation method is simple and convenient, and can be operated by one person.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined by the appended claims and their equivalents.
Claims (9)
1. The utility model provides an in-service pressure measurement device which characterized in that: the in-service pressure measuring device comprises: the device comprises a sealing part, a ball valve, a drill bit and a pressure measuring element, wherein the sealing part and the pressure measuring element are respectively arranged at two ends of the ball valve;
the sealing component comprises an upper gland, a packing, a lower gland and a sealing box body;
the packing is positioned between the upper gland and the lower gland, and the upper gland, the packing and the lower gland are wrapped between the sealing box bodies;
the drill bit passes through the sealing member, the ball valve and the pressure tapping element.
2. An in-service pressure measurement device according to claim 1, wherein: the medium passing through the ball valve is gas or liquid.
3. An in-service pressure measurement device according to claim 1, wherein: one end of the ball valve is connected with the end of the sealing part, and the other end of the ball valve is connected with a pressure taking element for reading a pressure value.
4. An in-service pressure measurement device according to claim 1, wherein: the sealing component is in threaded connection with the ball valve.
5. An in-service pressure measurement device according to claim 1, wherein: the pressure taking element is in threaded connection with the ball valve.
6. An in-service pressure measurement device according to claim 1, wherein: the sealing box body is in threaded connection with the upper gland and the lower gland.
7. An in-service pressure measurement device according to claim 1, wherein: the diameter range of the drill bit is 2.5-5 mm.
8. An in-service pressure measurement device according to claim 1, wherein: the whole transverse dimension of the active pressure measuring device is less than or equal to 200 mm.
9. A method for taking and placing under pressure of an in-service pressure measuring device is characterized in that: the method comprises the following steps:
the first step is as follows: the packing rope is wound on a drill bit, the drill bit penetrates through the sealing box body, the lower pressing cover penetrates through the drill bit, the lower pressing cover is connected through threads and is screwed to the position 3/5-5/6 of the total length of the screw thread screwed into the lower pressing cover, then the upper pressing cover penetrates through the drill bit, the upper pressing cover is connected with the sealing box body through threads and is screwed to the position 1/3-1/2 of the total length of the screw thread screwed into the upper pressing cover, and the assembly of the sealing part is finished;
the second step is that: opening the ball valve, enabling the drill bit to penetrate through the ball valve, connecting the sealing component with the ball valve through threads, and screwing; at the moment, the sealing part and the ball valve are integrated, the other end of the ball valve is in threaded connection with the pressure taking element, and the pressure measuring device is assembled;
the third step: after the work is finished, rotating the sealing part, separating the sealing part from the ball valve, closing the ball valve, installing a pressure gauge, and reading a numerical value;
the fourth step: and after the pressure is taken out, closing the ball valve and taking down the pressure gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210307387.XA CN114812921A (en) | 2022-03-25 | 2022-03-25 | In-service pressure measuring device and method for taking and placing device under pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210307387.XA CN114812921A (en) | 2022-03-25 | 2022-03-25 | In-service pressure measuring device and method for taking and placing device under pressure |
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| Publication Number | Publication Date |
|---|---|
| CN114812921A true CN114812921A (en) | 2022-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210307387.XA Pending CN114812921A (en) | 2022-03-25 | 2022-03-25 | In-service pressure measuring device and method for taking and placing device under pressure |
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| CN (1) | CN114812921A (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4907650A (en) * | 1987-07-24 | 1990-03-13 | Double E, Inc. | Wellhead with safety valve for pumping well |
| WO1993022595A1 (en) * | 1990-12-10 | 1993-11-11 | Oy Kwh Tech Ab | Means and procedure for pipeline tapping |
| CN103292855A (en) * | 2013-07-09 | 2013-09-11 | 唐山科汇达仪器仪表有限公司 | On-line pluggable target flowmeter |
| CN104019934A (en) * | 2014-06-24 | 2014-09-03 | 济钢集团有限公司 | Online gas pressure-tapping method and online gas pressure-tapping device |
| CN204008223U (en) * | 2014-07-18 | 2014-12-10 | 西安森和电力有限责任公司 | A kind of pressure pipeline sampling spot sampler of mechanical seal |
| CN204964101U (en) * | 2015-09-30 | 2016-01-13 | 金川集团股份有限公司 | Industry cooling water pressure measuring equipment |
| CN205781658U (en) * | 2016-06-07 | 2016-12-07 | 中国石油天然气股份有限公司 | On-line mounting and dismounting device for plug-in sensor |
| CN208154110U (en) * | 2018-04-03 | 2018-11-27 | 金川集团股份有限公司 | A kind of device of online installation pressure detecting table |
| CN210178922U (en) * | 2019-06-26 | 2020-03-24 | 青海盐湖工业股份有限公司 | Packing sealing device |
| CN210531847U (en) * | 2019-09-19 | 2020-05-15 | 梁德明 | Pipe crimping tool for pipeline |
| CN211527645U (en) * | 2020-01-17 | 2020-09-18 | 王元 | Temperature transmitter sleeve for tapping under pressure and mounting device thereof |
| CN111761100A (en) * | 2020-07-20 | 2020-10-13 | 湖北三宁化工股份有限公司 | Portable pressure perforator |
| CN212674349U (en) * | 2020-08-27 | 2021-03-09 | 成都同飞科技有限责任公司 | Device for quickly mounting pressure transmitter on pipeline |
| CN212807710U (en) * | 2020-08-18 | 2021-03-26 | 中国石油化工股份有限公司 | Emptying-free sampling valve capable of being replaced under pressure |
-
2022
- 2022-03-25 CN CN202210307387.XA patent/CN114812921A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4907650A (en) * | 1987-07-24 | 1990-03-13 | Double E, Inc. | Wellhead with safety valve for pumping well |
| WO1993022595A1 (en) * | 1990-12-10 | 1993-11-11 | Oy Kwh Tech Ab | Means and procedure for pipeline tapping |
| CN103292855A (en) * | 2013-07-09 | 2013-09-11 | 唐山科汇达仪器仪表有限公司 | On-line pluggable target flowmeter |
| CN104019934A (en) * | 2014-06-24 | 2014-09-03 | 济钢集团有限公司 | Online gas pressure-tapping method and online gas pressure-tapping device |
| CN204008223U (en) * | 2014-07-18 | 2014-12-10 | 西安森和电力有限责任公司 | A kind of pressure pipeline sampling spot sampler of mechanical seal |
| CN204964101U (en) * | 2015-09-30 | 2016-01-13 | 金川集团股份有限公司 | Industry cooling water pressure measuring equipment |
| CN205781658U (en) * | 2016-06-07 | 2016-12-07 | 中国石油天然气股份有限公司 | On-line mounting and dismounting device for plug-in sensor |
| CN208154110U (en) * | 2018-04-03 | 2018-11-27 | 金川集团股份有限公司 | A kind of device of online installation pressure detecting table |
| CN210178922U (en) * | 2019-06-26 | 2020-03-24 | 青海盐湖工业股份有限公司 | Packing sealing device |
| CN210531847U (en) * | 2019-09-19 | 2020-05-15 | 梁德明 | Pipe crimping tool for pipeline |
| CN211527645U (en) * | 2020-01-17 | 2020-09-18 | 王元 | Temperature transmitter sleeve for tapping under pressure and mounting device thereof |
| CN111761100A (en) * | 2020-07-20 | 2020-10-13 | 湖北三宁化工股份有限公司 | Portable pressure perforator |
| CN212807710U (en) * | 2020-08-18 | 2021-03-26 | 中国石油化工股份有限公司 | Emptying-free sampling valve capable of being replaced under pressure |
| CN212674349U (en) * | 2020-08-27 | 2021-03-09 | 成都同飞科技有限责任公司 | Device for quickly mounting pressure transmitter on pipeline |
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