CN219608540U

CN219608540U - Ball valve sampling device with probe

Info

Publication number: CN219608540U
Application number: CN202321181419.2U
Authority: CN
Inventors: 刘明亮; 沈超; 周飞; 于广坤; 倪良玉; 袁肖萌
Original assignee: Yuji Pipeline Co Of Sinopec Gas Co; China Petroleum and Chemical Corp
Current assignee: Yuji Pipeline Co Of Sinopec Gas Co; China Petroleum and Chemical Corp
Priority date: 2023-05-16
Filing date: 2023-05-16
Publication date: 2023-08-29
Anticipated expiration: 2033-05-16

Abstract

The utility model relates to the technical field of natural gas sampling, and discloses a ball valve sampling device with a probe. The ball valve sampling device comprises a sampling probe, a valve body and a sealing tube, wherein the first end of the sampling probe is inserted into the medium pipeline; the medium inlet of the valve body is connected with the second end of the sampling probe, and the medium outlet of the valve body is connected with the sampling assembly; the sealing tube is sleeved on the periphery of the sampling probe. According to the ball valve sampling device provided by the utility model, the valve body is arranged at the end part of the sampling probe, and then the on-off of the sampling probe is controlled through the valve body, so that continuous sampling of a medium and release of the cut-off medium are facilitated, residual medium with pressure in a pipeline of a sampling assembly is avoided, the risk of injury to workers during disassembly of the sampling assembly is reduced, the periphery of the sampling probe is sleeved with the sealing tube, medium leakage is avoided, the workers work in a safe environment, and the ball valve sampling device can be installed in advance in an engineering construction period for later use.

Description

Ball valve sampling device with probe

Technical Field

The utility model relates to the technical field of natural gas sampling, in particular to a ball valve sampling device with a probe.

Background

The natural gas composition is one of important parameters of the natural gas, and the accuracy of the gas composition is a basic condition for ensuring the accuracy of natural gas metering. With the implementation of natural gas energy metering, natural gas sampling analysis is becoming more important. In the existing natural gas sampling technology, a sampling port is usually arranged on a natural gas pipeline, in a non-sampling state, the sampling port is turned off through a valve body, and in sampling, the valve body is opened, a sampling conduit is connected with the sampling port through a connector, and then natural gas in the natural gas pipeline is sampled through a sampling assembly. Under this kind of sampling mode, can't insert the sampling probe inside the pipeline, when not hard up bolt, the phenomenon that natural gas splashes under pressure appears easily for the staff work in dangerous environment, and the break-make of sampling pipe is controlled through the valve on the sampling subassembly, still leaves the natural gas under pressure in the sampling pipe after the sample is ended, when dismantling the joint, the natural gas in the sampling pipe leaks, and the phenomenon that sampling pipe whips appears easily, causes the injury to the staff easily.

Disclosure of Invention

In order to solve the above technical problems or at least partially solve the above technical problems, the present utility model provides a ball valve sampling device equipped with a probe.

The utility model provides a ball valve sampling device with a probe, which comprises:

a sampling probe having opposite first and second ends, the first end of the sampling probe for insertion into the interior of the media conduit;

the valve body is provided with a medium inlet and a medium outlet, the medium inlet is connected with the second end of the sampling probe, and the medium outlet is connected with the sampling assembly by adopting a flange; and

the sealing tube is sleeved on the periphery of the sampling probe, one end of the sealing tube is welded with the periphery of the medium pipeline, and the other end of the sealing tube is welded with one end of the valve body, which is provided with the medium inlet.

Optionally, the length of the sampling probe extending into the medium pipe is one third of the diameter of the medium pipe.

Optionally, the bottom and top of the sealing tube are welded to the periphery of the medium pipe and the end of the valve body, respectively.

Optionally, one end of the sealing tube connected with the medium pipeline is expanded outwards to form a branch pipe table, and the branch pipe table is welded with the medium pipeline.

Optionally, the valve body is a ball valve, and the medium inlet and the medium outlet are oppositely arranged at two sides of the ball valve.

Optionally, the sampling assembly includes a sampling tube for communicating with the medium outlet, and one end of the sampling tube, which is far away from the valve body, is connected with a sampling bottle.

Optionally, a filter for filtering the medium is arranged on the sampling tube.

Optionally, the sampling tube is provided with a pressure regulating valve for regulating the pressure of the medium entering the sampling bottle.

Optionally, the pressure regulating valve is disposed on a side of the filter adjacent to the sampling bottle.

Optionally, a needle valve for controlling medium inlet and outlet is arranged at the inlet of the sampling bottle.

Compared with the prior art, the technical scheme provided by the embodiment of the utility model has the following advantages:

the ball valve sampling device with the probe is arranged on the periphery of a medium pipeline, when the ball valve sampling device with the probe is used, the sampling assembly is only required to be arranged on the valve body, the operation is convenient, the on-off of the sampling probe is controlled through the valve body, the continuous sampling of a medium and the release of a cut-off medium are facilitated, the residual medium with pressure in the pipeline of the sampling assembly is avoided, the risk of injury to workers when the sampling assembly is disassembled is reduced, the sealing tube is sleeved on the periphery of the sampling probe, the leakage of the medium is avoided, the workers work in a safe environment, the health of the workers is ensured, and the ball valve sampling device with the probe can be installed in advance in an engineering construction period for subsequent use.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the utility model and together with the description, serve to explain the principles of the utility model.

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.

Fig. 1 is a schematic structural view of a ball valve sampling device equipped with a probe according to an embodiment of the present utility model.

Description of the reference numerals

1. A sampling probe; 2. a medium conduit; 3. a valve body; 4. a sampling assembly; 41. a sampling tube; 42. sampling bottle; 43. a filter; 44. a pressure regulating valve; 45. a needle valve; 5. sealing the tube; 51. and a branch pipe table.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be made. The embodiments of the present utility model and the features in the embodiments may be combined with each other without collision.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced otherwise than as described herein; it is apparent that the embodiments in the specification are only some embodiments of the present utility model, but not all embodiments.

As shown in fig. 1, the ball valve sampling device with a probe according to the embodiment of the present utility model includes a sampling probe 1, a valve body 3, and a sealing tube 5.

The sampling probe 1 has opposite first and second ends, the first end of the sampling probe 1 being adapted to be inserted into the interior of the media conduit 2. Taking the direction shown in fig. 1 as an example, the first end of the sampling probe 1 is the bottom end of the sampling probe 1, and the second end of the sampling probe 1 is the top end of the sampling probe 1. The bottom end of the sampling probe 1 is inserted into the medium pipeline 2, so that the medium in the medium pipeline 2 can be led out.

The valve body 3 has a medium inlet and a medium outlet, and, taking the direction shown in fig. 1 as an example, the bottom of the valve body 3 is provided with a medium inlet, and the top of the valve body 3 is provided with a valve body 3 outlet. The interior of the valve body 3 should be provided with a chamber communicating with the medium inlet and the medium outlet so that the medium can flow into the chamber through the medium inlet and then out through the medium outlet. Wherein, a valve for controlling medium circulation is arranged on the side wall of the valve body 3 so as to control whether the medium can flow out through the medium outlet through the valve. The medium inlet is connected with the second end of the sampling probe 1, and the medium outlet is used for being connected with the sampling assembly 4 by adopting flange connection, namely the sampling probe 1 and the sampling assembly 4 are connected through the valve body 3, and whether the medium can flow into the sampling assembly 4 or not is controlled through the valve body 3.

The periphery at sampling probe 1 is established to sealed pipe 5 cover, and welded connection is adopted with the periphery of medium pipeline 2 to the one end of sealed pipe 5, and welded connection is adopted with the one end that is equipped with the medium entry of valve body 3 to the other end of sealed pipe 5. Specifically, the bottom of the sealing tube 5 is in sealing and welding connection with the periphery of the medium pipeline 2, and the top of the sealing tube 5 is in sealing and welding connection with the bottom of the valve body 3. Under this kind of design mode, the hookup location of sampling probe 1 and medium pipeline 2 is in sealed tube 5, and then avoids the medium to reveal.

The ball valve sampling device with the probe is arranged on the periphery of the medium pipeline 2, and when the ball valve sampling device with the probe is used, the sampling assembly 4 is only required to be arranged on the valve body 3, so that the operation is convenient, and the sampling probe is prevented from being taken out. The on-off of the sampling probe 1 is controlled through the valve body 3, continuous sampling of a medium and leakage of a cut-off medium are facilitated, residual medium with pressure in a pipeline of the sampling assembly 4 is avoided, the risk of injury to workers during disassembly of the sampling assembly 4 is reduced, the sealing tube 5 is sleeved on the periphery of the sampling probe 1, leakage of the medium is avoided, workers work under a safe environment, health of the workers is ensured, and the ball valve sampling device with the probe can be installed in advance during engineering construction so as to be used later.

In some embodiments, the medium of the present utility model may be natural gas, i.e. the corresponding medium conduit 2 is a natural gas conduit. The ball valve sampling device with the probe in the design mode enables workers to work in a safe environment, and the influence of natural gas leakage on the safety of the workers is avoided. Meanwhile, after the maintenance or sampling task is completed, the gas source of the corresponding sampling tube 41 is turned off, and the convenience of operation is improved. And this kind of ball valve sampling device who is furnished with probe can reserve the installing port in advance in station different positions, and the installation of the ball valve sampling device who is furnished with the probe in the later stage of being convenient for, convenient assembling, it is few to the requirement of mounted position. In addition, the integrated design of the sampling probe and the valve body 3 is realized, and the natural gas pipeline continuous sampling and cutoff discharging functions are realized.

The length of the sampling probe 1 extending into the medium pipeline 2 is one third of the diameter of the medium pipeline 2. That is, the length of the sampling probe 1 extending into the medium pipeline 2 is affected by the diameter of the pipeline, so that the insertion end of the sampling probe 1 is positioned at a proper position inside the medium pipeline 2, and the mediums at the position are uniformly mixed, so that the flow state is stable, the sampling probe is more representative, and the insertion depth of the sampling probe 1 meets the requirement.

The bottom and the top of the sealing tube 5 are respectively welded with the periphery of the medium pipeline 2 and the end part of the valve body 3, and the connecting strength of the sealing tube 5 can be increased by adopting a welding connection mode, meanwhile, the tightness of the connecting position is ensured, medium leakage is avoided, and the safety of staff is ensured. Wherein, the seal tube 5 is straight tube shape, increases the convenience of processing. Further optimally, since the medium pipeline 2 is arc-shaped in shape, in order to facilitate connection of the sealing tube 5 and the medium pipeline 2, one end of the sealing tube 5 connected with the medium pipeline 2 is expanded outwards to form a branch pipe table 51, the branch pipe table 51 is welded with the medium pipeline 2, specifically, the branch pipe table 51 is welded with the medium pipeline 2, so that the welding area is increased, and the connection effect is ensured. Further optimally, the branch pipe table 51 and the sealing pipe 5 are integrally formed, so that the convenience of processing is improved, the generation of interfaces is avoided, and the sealing effect is ensured.

In some embodiments, the valve body 3 is a ball valve, and the medium inlet and the medium outlet are oppositely arranged at two sides of the ball valve, so that the flow direction of the medium in the ball valve is prevented from being changed, and the outflow effect of the medium is ensured. The ball valve has the advantages of good sealing performance and long service life, so that the ball valve is suitable for the working environment of the utility model, and medium leakage is avoided.

As shown in fig. 1, the sampling assembly 4 includes a sampling tube 41 for communicating with the medium outlet, and a sampling bottle 42 is connected to an end of the sampling tube 41 remote from the valve body 3. When the medium is natural gas, the sampling bottle 42 is a gas sampling bottle 42, and the gas sampling bottle 42 is a permanent structure for sampling gas, so that not described in detail herein, in this design mode, the medium enters the sampling tube 41 through the valve body 3 and then enters the sampling bottle 42, and the sampling process of the medium is completed.

Further preferably, the sampling tube 41 is provided with a filter 43 for filtering the medium, ensuring the purity of the medium. The sampling tube 41 is provided with a pressure regulating valve 44 for regulating the pressure of the medium entering the sampling bottle 42, so that the pressure of the medium entering the sampling bottle 42 meets the preset pressure requirement. The pressure regulating valve 44 is disposed on a side of the filter 43 close to the sampling bottle 42, so that the filtered medium enters the pressure regulating valve 44 to regulate pressure, and the medium after pressure regulation is ensured to directly enter the sampling bottle 42, so that the influence of the medium pressure is avoided. The entrance of the sampling bottle 42 is provided with a needle valve 45 for controlling the medium to enter and exit, and the entrance of the sampling bottle 42 can be closed by the needle valve 45 to control the medium to enter, and meanwhile, the entrance of the sampling bottle 42 after the sampling is completed can be sealed, so that the medium is prevented from flowing out of the sampling bottle 42.

It should be noted that in this document, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The foregoing is only a specific embodiment of the utility model to enable those skilled in the art to understand or practice the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown and described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A ball valve sampling apparatus equipped with a probe, comprising:

a sampling probe (1) having opposite first and second ends, the first end of the sampling probe (1) being for insertion into the interior of a media conduit (2);

the valve body (3) is provided with a medium inlet and a medium outlet, the medium inlet is connected with the second end of the sampling probe (1), and the medium outlet is connected with the sampling assembly (4) by adopting a flange; and

the sealing tube (5) is sleeved on the periphery of the sampling probe (1), one end of the sealing tube (5) is connected with the periphery of the medium pipeline (2) in a welding mode, and the other end of the sealing tube (5) is connected with one end of the valve body (3) which is provided with the medium inlet in a sampling welding mode.

2. Ball valve sampling device provided with a probe according to claim 1, characterized in that the length of the sampling probe (1) extending into the interior of the medium conduit (2) is one third of the diameter of the medium conduit (2).

3. Ball valve sampling device provided with a probe according to claim 1, characterized in that the bottom and top ends of the sealing tube (5) are welded to the periphery of the medium conduit (2) and the end of the valve body (3), respectively.

4. Ball valve sampling device provided with a probe according to claim 1, characterized in that the end of the sealing tube (5) connected to the medium pipe (2) is flared to form a branch pipe stage (51), the branch pipe stage (51) being welded to the medium pipe (2).

5. Ball valve sampling device provided with a probe according to claim 1, characterized in that the valve body (3) is a ball valve, the medium inlet and the medium outlet being arranged opposite to each other on both sides of the ball valve.

6. Ball valve sampling device provided with a probe according to any one of claims 1 to 5, characterized in that the sampling assembly (4) comprises a sampling tube (41) for communication with the medium outlet, the end of the sampling tube (41) remote from the valve body (3) being connected with a sampling bottle (42).

7. The ball valve sampling device with probe according to claim 6, wherein a filter (43) for a filter medium is provided on the sampling tube (41).

8. Ball valve sampling device provided with a probe according to claim 7, characterized in that the sampling tube (41) is provided with a pressure regulating valve (44) for regulating the pressure of the medium entering the sampling bottle (42).

9. The ball valve sampling device equipped with a probe according to claim 8, characterized in that the pressure regulating valve (44) is arranged on the side of the filter (43) close to the sampling bottle (42).

10. The ball valve sampling device with probe according to claim 6, characterized in that the inlet of the sampling bottle (42) is provided with a needle valve (45) for controlling the medium in and out.