CN204114285U - Pressure detection device - Google Patents

Pressure detection device Download PDF

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Publication number
CN204114285U
CN204114285U CN201420547301.1U CN201420547301U CN204114285U CN 204114285 U CN204114285 U CN 204114285U CN 201420547301 U CN201420547301 U CN 201420547301U CN 204114285 U CN204114285 U CN 204114285U
Authority
CN
China
Prior art keywords
pressure
pressure gauge
thread
valve
stop valve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN201420547301.1U
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Chinese (zh)
Inventor
丁德军
白小众
姚博
贾立东
吴名
谷文渊
柏晓峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Oil and Gas Pipeline Network Corp
Original Assignee
Petrochina Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Petrochina Co Ltd filed Critical Petrochina Co Ltd
Priority to CN201420547301.1U priority Critical patent/CN204114285U/en
Application granted granted Critical
Publication of CN204114285U publication Critical patent/CN204114285U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses a pressure measurement device is applied to in the pipeline, the device includes: the pressure gauge is connected with one end of the pressure gauge joint; the other end of the pressure gauge connector is connected with one end of a pressure gauge stop valve; the other end of the pressure gauge stop valve is connected with one end of the pressure tapping short circuit; the other end of the pressure tapping short circuit is connected with the pipeline; and detecting the pressure of the pipeline through the direct connection of the pressure gauge joint and the pressure gauge stop valve. Therefore, the pressure gauge joint and the pressure gauge stop valve can be directly connected without an intermediate connecting piece, the installation efficiency is improved, and the limitation of an installation space is avoided.

Description

Pressure detection device
Technical Field
The utility model relates to a petroleum equipment technical field especially relates to a pressure measurement.
Background
At present, in the process of petroleum production, the pressure of an oil pipeline needs to be monitored in real time, and the production safety is ensured. In the existing pressure detection device, a pressure gauge with an external thread type of M20 multiplied by 1.5 and a pressure gauge joint with a thread type of M20 multiplied by 1.5 are generally adopted; the M20 is multiplied by 1.5, and the diameter of the thread is 20 millimeters, and the thread pitch is 1.5 millimeters; the pressure gauge stop valve is not provided with the threads of the pressure gauge stop valve, so that when the pressure gauge joint is connected with the pressure gauge stop valve, the pressure gauge stop valve can be installed smoothly only by selecting the middle connecting pieces of various types for thread matching.
However, when the pressure detection device is installed in a production field, the installation space is limited due to the fact that the number of installation points is large, the installation space is limited due to the fact that the size of a standard part of the pressure gauge connector is limited to a great extent, installation is complicated, and operation is inconvenient.
SUMMERY OF THE UTILITY MODEL
Problem to prior art existence, the utility model discloses an in the various embodiments, provide a pressure measurement, through right the interface of manometer stop valve improves, makes the pressure tap with the manometer stop valve need not just can the lug connection through the intermediate junction spare, has simplified the installation.
The technical scheme of the utility model is realized like this:
an embodiment of the utility model provides a pressure detection device is applied to in the pipeline, the device includes:
the pressure gauge is connected with one end of the pressure gauge joint;
the other end of the pressure gauge connector is connected with one end of a pressure gauge stop valve;
the other end of the pressure gauge stop valve is connected with one end of the pressure tapping short circuit;
the other end of the pressure tapping short circuit is connected with the pipeline; and detecting the pressure of the pipeline through the direct connection of the pressure gauge joint and the pressure gauge stop valve.
In the scheme, one end of the pressure gauge stop valve is provided with a first thread, and the other end of the pressure gauge joint is provided with a second thread; wherein,
the other end of the pressure gauge joint is screwed with one end of the pressure gauge stop valve through the first thread and the second thread.
In the above solution, the first thread and the second thread have the same specification, wherein,
the diameter of the first thread and the diameter of the second thread are 20 mm, the thread pitch is 1.5 mm, and the rotating direction is left-handed.
In the scheme, the other end of the pressure gauge stop valve is provided with a third thread, and one end of the pressure tapping short joint is provided with a fourth thread; wherein,
the other end of the pressure gauge stop valve is screwed with one end of the pressure tapping short circuit through the third thread and the fourth thread.
In the above scheme, the other end of the pressure tapping short circuit is connected with the pipeline through welding.
In the scheme, the third threads are 1/2 conical pipe 1/2NPT internal threads.
In the above scheme, the manometer stop valve includes: the valve comprises a valve rod, a handle, a gland, a PTFE sealing tape, a first valve body, a sealing gasket, a second valve body and a valve core; wherein,
one end of the valve rod is connected with the handle, and an included angle between the central axis of the handle and the central axis of the valve rod is a right angle;
the gland and the tetrafluoro sealing tape are sequentially connected on the valve rod; the first valve body is arranged outside the gland and the tetrafluoro sealing band, and the lower end of the first valve body is connected with the second valve body through the sealing gasket;
the second valve body is arranged at the other end of the valve rod, and the valve core is arranged in the second valve body.
The embodiment of the utility model provides a pressure detection device is applied to in the pipeline, the device includes: the pressure gauge is connected with one end of the pressure gauge joint; the other end of the pressure gauge connector is connected with one end of a pressure gauge stop valve; the other end of the pressure gauge stop valve is connected with one end of the pressure tapping short circuit; the other end of the pressure tapping short circuit is connected with the pipeline; and detecting the pressure of the pipeline through the direct connection of the pressure gauge joint and the pressure gauge stop valve. So, the pressure meter connector with the pressure meter stop valve does not need intermediate junction spare can the lug connection, reduces installation space, simple to operate easily promotes.
Drawings
Fig. 1 is a schematic view of an overall structure of a pressure detection device according to an embodiment of the present invention;
fig. 2 is a front view of a pressure gauge joint provided in an embodiment of the present invention;
fig. 3 is a front view of the stop valve of the pressure gauge provided by the embodiment of the present invention.
Description of reference numerals:
11-pressure gauge; 12-pressure gauge connection; 13-pressure gauge stop valve; 14-voltage tapping short circuit; 15-a pipeline; l1-first length; l2, second length; l3, third length; 31-a valve stem; 32-a handle; 33-a gland; 34-tetrafluoro sealing tape; 35-a first valve body; 36-a gasket; 37-second valve body.
Detailed Description
In order to effectively simplify the installation procedure of pressure detection device in the petroleum pipeline, in the various embodiments of the present invention, there is provided a pressure detection device for use in a pipeline, the device comprising: the pressure gauge is connected with one end of the pressure gauge joint; the other end of the pressure gauge connector is connected with one end of a pressure gauge stop valve; the other end of the pressure gauge stop valve is connected with one end of the pressure tapping short circuit; the other end of the pressure tapping short circuit is connected with the pipeline; and detecting the pressure of the pipeline through the direct connection of the pressure gauge joint and the pressure gauge stop valve.
The technical solution of the present invention is further described in detail with reference to the accompanying drawings and specific embodiments.
An embodiment of the utility model provides a pressure detection device, as shown in fig. 1, the device includes:
the pressure gauge 11 is connected with one end of the pressure gauge joint 12;
the other end of the pressure gauge joint 12 is connected with one end of a pressure gauge stop valve 13;
the other end of the pressure gauge stop valve 13 is connected with one end of the pressure tapping short circuit 14;
the other end of the pressure tapping short circuit 14 is connected with the pipeline 15; the pressure of the pipeline 15 is detected through the direct connection of the pressure gauge joint 12 and the pressure gauge stop valve 13.
Here, one end of the pressure gauge cut-off valve 13 is provided with a first thread, and the other end of the pressure gauge joint 12 is provided with a second thread; wherein,
the other end of the pressure gauge joint 12 is screwed with one end of the pressure gauge stop valve 13 through the first thread and the second thread.
The first thread and the second thread are of the same specification, wherein the diameter of the first thread and the second thread is 20 mm, the thread pitch is 1.5 mm, and the rotation direction is left-handed M20 multiplied by 1.5 threads.
Here, one end of the pressure gauge tap 12 is provided with M20 × 1.5 female threads, and is connected to the pressure gauge 11 through the M20 × 1.5 female threads. As shown in fig. 2, the first length L1 of the pressure tap 12 is 28 mm, the second length L2 of the pressure tap 12 is 14 mm, and the third length L3 of the pressure tap 12 is 14 mm; wherein the first length L1 is the total length of the pressure tap 12; the second length L2 is the connection length between the pressure gauge joint 12 and the pressure gauge stop valve 13; the second length L2 is the connection length between the pressure gauge joint 12 and the pressure gauge 11.
In addition, a third thread is arranged at the other end of the pressure gauge stop valve 13, and a fourth thread is arranged at one end of the pressure tapping short circuit 14; wherein,
the other end of the pressure gauge stop valve 13 is screwed with one end of the pressure tapping short circuit 14 through the third thread and the fourth thread.
The other end of the pressure tapping short circuit 14 is connected with the pipeline 15 through welding.
Wherein the third thread is 1/2 taper 1/2NPT internal thread, or ZG 1/2' thread. The ZG 1/2' thread represents the inlet end of the pressure gauge shut-off valve 13.
Here, as shown in fig. 3, the pressure gauge cut-off valve 13 includes: a valve rod 31, a handle 32, a gland 33, a PTFE seal tape 34, a first valve body 35, a gasket 36, a second valve body 37 and a valve core 38; wherein,
one end of the valve rod 31 is connected with the handle 32, and an included angle between a central axis of the handle 32 and a central axis of the valve rod 31 is a right angle;
the gland 33 and the tetrafluoro seal tape 34 are connected to the valve rod 31 in this order; the first valve body 35 is arranged outside the gland 33 and the tetrafluoro sealing tape 34, and the lower end of the first valve body 35 is connected with the second valve body 37 through the gasket 36;
the second valve body 37 is provided at the other end of the stem 31, and the spool 38 is provided in the second valve body 37.
Here, the pressure gauge cut-off valve 13 is produced according to two design standards, that is, a connection GB/T12224-2005 of a multi-rotary valve drive and a needle-type cut-off valve JB/T7747-1995, and the performance of the pressure gauge cut-off valve 13 is as follows:
the use temperature may be: the temperature is minus 20 ℃ to plus 538 ℃, the temperature is minus 70 ℃ to minus 240 ℃ and the like;
suitable media may be: oil, water, gas, and the like.
The utility model provides a pressure gauge stop valve 13, one end of which is provided with a left-handed M20 multiplied by 1.5 thread, and the other end of which is provided with a 1/2NPT internal thread or a ZG 1/2' thread; therefore, when the pressure detection device is installed and the pressure gauge stop valve 13 is connected with other equipment, the pressure gauge stop valve can be quickly and simply connected with other equipment without connection conversion of an intermediate connecting piece, and is not limited by space.
Additionally, the embodiment of the utility model provides a pressure detection device has the installation and dismantles the characteristics convenient, that connect the fastening, has advantages such as fire prevention, explosion-proof, pressure resistance are high, sealing performance is good, is the pressure detection device of a novel connected mode in power station, oil refining, chemical plant device and the instrument measuring pipeline.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (7)

1. A pressure detection device for use in a pipeline, the device comprising:
the pressure gauge is connected with one end of the pressure gauge joint;
the other end of the pressure gauge connector is connected with one end of a pressure gauge stop valve;
the other end of the pressure gauge stop valve is connected with one end of the pressure tapping short circuit;
the other end of the pressure tapping short circuit is connected with the pipeline; and detecting the pressure of the pipeline through the direct connection of the pressure gauge joint and the pressure gauge stop valve.
2. The pressure detection device of claim 1, wherein one end of the pressure gauge cut-off valve is provided with a first thread, and the other end of the pressure gauge joint is provided with a second thread; wherein,
the other end of the pressure gauge joint is screwed with one end of the pressure gauge stop valve through the first thread and the second thread.
3. The pressure sensing device of claim 2, wherein the first thread and the second thread are of the same gauge, wherein,
the diameter of the first thread and the diameter of the second thread are 20 mm, the thread pitch is 1.5 mm, and the rotating direction is left-handed.
4. The pressure detection device as claimed in claim 1, wherein a third thread is arranged at the other end of the pressure gauge cut-off valve, and a fourth thread is arranged at one end of the pressure tapping short circuit; wherein,
the other end of the pressure gauge stop valve is screwed with one end of the pressure tapping short circuit through the third thread and the fourth thread.
5. The pressure detection device of claim 1, wherein the other end of the pressure tap is connected to the conduit by welding.
6. The pressure sensing device of claim 4, wherein the third threads are 1/2 cone 1/2NPT internal threads.
7. The pressure sensing device of claim 1, wherein the pressure gauge cut-off valve comprises: the valve comprises a valve rod, a handle, a gland, a PTFE sealing tape, a first valve body, a sealing gasket, a second valve body and a valve core; wherein,
one end of the valve rod is connected with the handle, and an included angle between the central axis of the handle and the central axis of the valve rod is a right angle;
the gland and the tetrafluoro sealing tape are sequentially connected on the valve rod; the first valve body is arranged outside the gland and the tetrafluoro sealing band, and the lower end of the first valve body is connected with the second valve body through the sealing gasket;
the second valve body is arranged at the other end of the valve rod, and the valve core is arranged in the second valve body.
CN201420547301.1U 2014-09-22 2014-09-22 Pressure detection device Expired - Lifetime CN204114285U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420547301.1U CN204114285U (en) 2014-09-22 2014-09-22 Pressure detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420547301.1U CN204114285U (en) 2014-09-22 2014-09-22 Pressure detection device

Publications (1)

Publication Number Publication Date
CN204114285U true CN204114285U (en) 2015-01-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420547301.1U Expired - Lifetime CN204114285U (en) 2014-09-22 2014-09-22 Pressure detection device

Country Status (1)

Country Link
CN (1) CN204114285U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108051288A (en) * 2017-12-28 2018-05-18 武汉科技大学 A kind of PE pipelines pressue device and method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108051288A (en) * 2017-12-28 2018-05-18 武汉科技大学 A kind of PE pipelines pressue device and method

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20211112

Address after: Room 08-10, 6 / F, block a, No. 5, Dongtucheng Road, Chaoyang District, Beijing 100013

Patentee after: National Petroleum and natural gas pipeline network Group Co.,Ltd.

Address before: 100007 Oil Mansion, 9 North Avenue, Dongcheng District, Beijing, Dongzhimen

Patentee before: PetroChina Company Limited

CX01 Expiry of patent term

Granted publication date: 20150121