CN212027741U

CN212027741U - Natural gas wellhead pipeline throttling device

Info

Publication number: CN212027741U
Application number: CN202020777217.4U
Authority: CN
Inventors: 刘家辰; 郇宇; 韩海涛; 李强; 崔彦; 刘延东; 高哲
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-12
Filing date: 2020-05-12
Publication date: 2020-11-27
Anticipated expiration: 2030-05-12

Abstract

The utility model relates to a natural gas well head pipeline throttling arrangement, including valve body, intake pipe and outlet duct, the welding of valve body one end has intake pipe and intake pipe inside to be fixed with the stainless steel filter screen through the draw-in groove, the welding of intake pipe bottom has the miscellaneous pipe of storage, the welding of the valve body other end has outlet duct and outlet duct top to be connected with the gas flow meter through the thread groove, the inside end cap and the welding of the end cap outside of installing through the mounting groove of valve body have sealed dish, end cap top cover is equipped with compression spring, the valve body top is connected with adjusting bolt through. The utility model discloses can adjust its flow according to the pressure of natural gas, have simultaneously and filter and flow detection function, be fit for being extensively promoted and used.

Description

Natural gas wellhead pipeline throttling device

Technical Field

The utility model relates to a throttling arrangement technical field, concretely relates to natural gas well head pipeline throttling arrangement.

Background

The phenomenon that the pressure of fluid flowing in a pipeline is reduced after passing through a valve, a slit, an orifice and the like with the suddenly reduced channel section is called throttling, the pressure of the fluid is controlled by a throttling process in engineering, a flowmeter and the like can be manufactured by utilizing the corresponding relation between the pressure reduction and the flow during throttling, and a throttling device needs to be installed on a wellhead pipeline in the natural gas exploitation process.

Patent No. CN201720891277.7 discloses a festival hoop formula natural gas well head pipeline throttling arrangement, replaced the well head needle valve, played step-down, throttle and limit production effect, throttle mouth is with low costs, avoids frequently changing the cost waste that the needle valve caused, prevents that high velocity gas flow from causing erosion, reduction in production cost to pipe wall and valve.

The hoop-type natural gas wellhead pipeline throttling device has the following defects that: 1. the natural gas wellhead pipeline throttling device has the advantages that the filtering function is not achieved, impurities in natural gas can be accumulated inside the valve body to affect the work of the valve body, 2, the structure is complex, and the throttling device cannot be adjusted according to the flow of the natural gas.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at overcomes at least a defect among the prior art, provides a natural gas well head pipeline throttling arrangement.

In order to realize the technical scheme, the utility model discloses a following technical scheme:

the utility model provides a natural gas well head pipeline throttling arrangement, includes valve body, intake pipe and outlet duct, the welding of valve body one end has intake pipe and intake pipe inside to be fixed with the stainless steel filter screen through the draw-in groove, the welding of intake pipe bottom has the miscellaneous pipe of storage, the welding of the valve body other end has outlet duct and outlet duct top to be connected with the gas flow meter through the thread groove, the inside end cap and the welding of the end cap outside of installing through the mounting groove of valve body have sealed dish, end cap top cover is equipped with compression spring, the valve body top is connected with.

Furthermore, a sealing gasket is arranged between the valve body and the adjusting bolt through a mounting groove.

Furthermore, the bottom of the impurity storage tube is connected with a tube cover through a thread groove, and the detection end of the gas flowmeter is positioned in the gas outlet tube.

Further, the bottom end of the adjusting bolt is positioned inside the valve body.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. through setting up the intake pipe, the stainless steel filter screen with store up miscellaneous pipe, personnel use the pipeline with intake pipe one end and natural gas line connection, the natural gas gets into the inside back of intake pipe, filters the natural gas by the stainless steel filter screen in the intake pipe, the impurity of filterable down falls into and stores up miscellaneous intraduct, personnel open the tube cap that stores up miscellaneous socle portion, can clear up storing up the inside impurity of miscellaneous intraduct, and conveniently change the stainless steel filter screen, the natural gas after the filtration gets into inside the valve body.

2. Through setting up the valve body, adjusting bolt and end cap, inside the natural gas after the filtration got into the valve body, the natural gas that flows into the valve body inside promoted the end cap by compression spring, made the natural gas flow through the valve body flow inside the outlet duct, when the pressure that the natural gas flowed into the valve body inside was great, upwards promoted the end cap by a wide margin, made the natural gas flow grow, when the natural gas flow was less, the small size promoted the end cap upwards, made the natural gas flow diminish, personnel can manually rotate adjusting bolt simultaneously and promote and move down, control natural gas flow.

Drawings

In order to more clearly illustrate the embodiments of the present invention 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 is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is the utility model relates to a natural gas well head pipeline throttling arrangement's overall structure schematic diagram.

Fig. 2 is the utility model relates to a natural gas well head pipeline throttling arrangement's internal structure schematic diagram.

Fig. 3 is the utility model relates to a natural gas well head pipeline throttling arrangement's valve body inner structure schematic diagram.

In the figure: 1. a valve body; 2. an air inlet pipe; 3. an air outlet pipe; 4. a plug; 5. adjusting the bolt; 6. a compression spring; 7. a gasket; 8. a stainless steel filter screen; 9. a storage pipe; 10. a tube cover; 11. a gas flow meter; 12. a sealing disk.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-3, a natural gas wellhead pipeline throttling arrangement, including valve body 1, intake pipe 2 and

outlet duct

3, 1 one end welding of valve body has

intake pipe

2 and 2 inside stainless steel filter screens 8 that are fixed with through the draw-in groove of intake pipe, 2 bottom welding of intake pipe has storage

miscellaneous pipe

9, 1 other end welding of valve body has 3 and 3 tops of outlet duct to be connected with gas flow meter 11 through the thread groove, 1 inside installation of valve body has

end cap

4 and 4 outside welding of end cap to have sealed dish 12 through the mounting groove, 4 top covers of end cap are equipped with

compression spring

6, 1 top of valve body is connected with adjusting bolt 5 through the thread groove.

Wherein, a sealing gasket 7 is arranged between the valve body 1 and the adjusting bolt 5 through a mounting groove.

In the embodiment, as shown in fig. 1, the sealing gasket 7 plays a role in sealing between the valve body 1 and the adjusting bolt 5, so as to prevent leakage.

The bottom of the impurity storage tube 9 is connected with a tube cover 10 through a thread groove, and the detection end of the gas flowmeter 11 is positioned in the gas outlet tube 3.

In this embodiment, as shown in fig. 2, opening the tube cap 10 can clean up the impurities in the impurity storage tube 9, and conveniently replace the stainless steel filter screen 8 in the air inlet tube 2, the detection end of the gas flowmeter 11 is located in the air outlet tube 3, and the flow of the natural gas in the air outlet tube 3 can be conveniently detected.

Wherein, the bottom end of the adjusting bolt 5 is positioned inside the valve body 1.

In this embodiment, as shown in fig. 2, the bottom end of the adjusting bolt 5 is located inside the valve body 1, so that the position of the plug 4 can be conveniently adjusted.

It should be noted that, the utility model relates to a natural gas wellhead pipeline throttling device, when in operation, a person uses a pipeline to connect one end of an air inlet pipe 2 with a natural gas pipeline, after the natural gas enters the air inlet pipe 2, the natural gas is filtered by a stainless steel filter screen 8 in the air inlet pipe 2, the filtered impurities fall into an impurity storage pipe 9, the person opens a pipe cover 10 at the bottom of the impurity storage pipe 9 to clean the impurities in the impurity storage pipe 9, and conveniently changes the stainless steel filter screen 8, the filtered natural gas enters a valve body 1, the natural gas flowing into the valve body 1 pushes a plug 4 by a compression spring 6, so that the natural gas flows into an outlet pipe 3 through the valve body 1, when the pressure of the natural gas flowing into the valve body 1 is large, the plug 4 is pushed upwards by a large margin, the natural gas flow is large, when the natural gas flow is small, the plug 4 is pushed upwards by a small margin, make the natural gas flow diminish, personnel can manually rotate adjusting bolt 5 simultaneously and promote to move down, control natural gas flow, and the sealed dish 12 in the end cap 4 outside can prevent that valve body 1 from leaking from the inside natural gas that flows through of valve body 1, and sealed 7 plays sealed effect between valve body 1 and adjusting bolt 5, and gas flow meter 11 can detect out the flow of the inside natural gas that flows out of outlet duct 3.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a natural gas well head pipeline throttling arrangement, includes valve body (1), intake pipe (2) and outlet duct (3), its characterized in that: the utility model discloses a gas flowmeter, including valve body (1), intake pipe (2), gas outlet pipe (3), valve body (1) one end welding has intake pipe (2) and intake pipe (2) are inside to be fixed with stainless steel filter screen (8) through the draw-in groove, the welding of intake pipe (2) bottom has storage miscellaneous pipe (9), the welding of the other end of valve body (1) has gas flow meter (11) at outlet pipe (3) and outlet pipe (3) top through the thread groove, end cap (4) and end cap (4) outside welding have sealed dish (12) are installed through the mounting groove to valve body (1) inside, end cap (4) top cover is equipped with compression spring (.

2. A natural gas wellhead pipeline throttling device according to claim 1, wherein: and a sealing gasket (7) is arranged between the valve body (1) and the adjusting bolt (5) through a mounting groove.

3. A natural gas wellhead pipeline throttling device according to claim 1, wherein: the bottom of the impurity storage tube (9) is connected with a tube cover (10) through a thread groove, and the detection end of the gas flowmeter (11) is positioned inside the gas outlet tube (3).

4. A natural gas wellhead pipeline throttling device according to claim 1, wherein: the bottom end of the adjusting bolt (5) is positioned in the valve body (1).