CN216519835U - Antifreezing valve for oil exploitation - Google Patents

Abstract

The utility model relates to an anti-freezing valve for oil exploitation, which comprises a valve body, wherein a first valve core is arranged in the main valve body, a first valve rod is arranged at the top end of the first valve core, the first valve rod extends upwards to penetrate through the valve body, a first ring is arranged at the top end of the first valve rod, extension pipes are arranged at the left end and the right end of the valve body, second valve cores are arranged in the two extension pipes, second valve rods are arranged at the top ends of the two second valve cores, the two second valve rods extend upwards to penetrate through the extension pipes, second rings are arranged at the top ends of the two second valve rods, connecting pipes are arranged on the two extension pipes, end caps are arranged at the ends, far away from the extension pipes, of the two connecting pipes, a front shell and a rear shell are respectively arranged at the front end and the rear end of the valve body, through holes are respectively arranged on the periphery of the front end face of the front shell, first threaded holes are respectively arranged in the plurality of the through holes, second threaded holes are arranged on the rear shell corresponding to the plurality of the first threaded holes, and the first threaded holes are connected through bolts; the design of the extension pipe is convenient for dredging; the design of procapsid and back casing keeps warm and protects.

Description

Antifreezing valve for oil exploitation

Technical Field

The utility model relates to the technical field of anti-freezing valves, in particular to an anti-freezing valve for petroleum exploitation.

Background

Petroleum, also called crude oil, is a viscous dark brown liquid, the upper part of the crust of the earth has petroleum storage, the property of petroleum varies with the producing area, the density is 0.8-1 g/cm3, the viscosity range is very wide, the freezing point is very high, the boiling point range is from normal temperature to more than 500 ℃, the petroleum storage is soluble in various organic solvents and insoluble in water, but can form emulsion with water, the transportation of petroleum usually adopts pipeline transportation, and a valve is arranged in the pipeline transportation to control the circulation of petroleum, when the pipeline transportation is carried out outdoors, especially in the area with lower temperature, the problem of petroleum solidification is easily caused in the valve, which not only affects the normal transportation of petroleum, but also can cause the damage of the valve, and brings economic loss to people, therefore, an anti-freezing valve needs to be designed, and the existing patent such as patent number 202020890821.8 includes a protection box, Installation ear, heat preservation and pipeline etc. though the device is whole frostproofing effectual when using, has not only ensured the normal work of valve body, facilitates the use simultaneously, is applicable to various circumstances. However, the device is whole when using needs external heating equipment, and it is comparatively troublesome on probation, and the device only has the function of preventing frostbite, when the valve body is inside to freeze, can't clear up.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides an anti-freezing valve for oil exploitation.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: an anti-freezing valve for oil exploitation comprises a valve body, wherein a first valve core is arranged in the main valve body in a rotating mode, a first valve rod is arranged at the top end of the first valve core, the first valve rod extends upwards to penetrate through the valve body, a first rotating ring is arranged at the top end of the first valve rod, extension pipes are arranged at the left end and the right end of the valve body, a second valve core is arranged in each extension pipe in a rotating mode, a second valve rod is arranged at the top end of each second valve core, each second valve rod extends upwards to penetrate through the extension pipe, a second rotating ring is arranged at the top end of each second valve rod, connecting pipes are arranged on each extension pipe in a penetrating mode, an end cap is arranged at one end, away from the extension pipe, of each connecting pipe, the end cap is in threaded connection with the connecting pipes, a front shell and a rear shell are arranged at the front end and the rear end of the valve body respectively, through holes are formed in the periphery of the front end face of the front shell, first threaded holes are formed in the through holes, second threaded holes are formed in the rear shell corresponding to the first threaded holes, and the first threaded holes are connected with the second threaded holes through bolts.

In a further preferred mode, a first sealing bearing is arranged between the first valve rod and the valve body, and a second sealing bearing is arranged between the second valve rod and the extension pipe, so that the sealing effect at the positions of the first valve rod and the second valve rod is guaranteed.

In further preferred, two terminal surface all is equipped with sealed the pad under the end cap, two the end cap top all is equipped with the handle, conveniently dismantles the end cap.

In further preferred, the heat preservation layer is arranged on the inner wall of the front shell and the inner wall of the rear shell, so that the heat preservation effect of the front shell and the rear shell is enhanced.

In further preferred, two all be equipped with the sealing ring on the extension pipe, both ends all correspond about procapsid and the back casing the draw-in groove has been seted up to the sealing ring, guarantee to connect sealedly between procapsid and the back casing.

Preferably, the two extension pipes are provided with connecting rings at ends far away from the valve body, the two connecting rings are provided with mounting holes, and the mounting holes are circumferentially provided with a plurality of connecting rings, so that the extension pipes can be conveniently connected with the outside.

(III) advantageous effects

Compared with the prior art, the utility model provides an antifreezing valve for oil exploitation, which has the following beneficial effects:

according to the utility model, due to the design of the extension pipe, when the valve body is frozen due to a special condition, the second rotating ring is grasped, the second valve stem drives the second valve core to rotate, the extension pipe is closed, the handle is grasped, the end cap with the sealing gasket is rotated and taken down, the connecting pipe at the left end is upwards communicated with an external hot water source, the connecting pipe at the right end is downwards connected with an external drain pipe, the hot water washes the frozen crude oil in the extension pipe, the frozen crude oil is washed out after being melted, and dredging is realized; the design of procapsid and back casing corresponds procapsid and back casing and installs on the valve body, and the sealing ring corresponds the spacing installation of draw-in groove, and the bolt in the through-hole is fixed with the screw up of second screw hole after passing first screw hole, realizes the installation of procapsid and back casing, and the rubber and plastic sponge is preferred for use to the heat preservation in procapsid and the back casing, realizes the heat preservation protection to the valve body.

Drawings

FIG. 1 is a schematic diagram of a preferred overall structure of an antifreeze valve for oil extraction according to the present invention;

FIG. 2 is a schematic sectional view showing the overall structure of an antifreeze valve for oil exploitation according to the present invention, preferably without a front housing and a rear housing;

FIG. 3 is a schematic diagram of a preferred front housing of an antifreeze valve for oil extraction according to the present invention;

fig. 4 is a schematic structural view of a preferred rear housing of an antifreeze valve for oil exploitation according to the present invention.

In the figure: 1. a valve body; 2. a first valve spool; 3. a first valve stem; 4. a first rotating ring; 5. an extension tube; 6. a second valve core; 7. a second valve stem; 8. a second rotating ring; 9. a connecting pipe; 10. an end cap; 11. a front housing; 12. a rear housing; 13. a through hole; 14. a first threaded hole; 15. a second threaded hole; 16. a first sealed bearing; 17. a second sealed bearing; 18. a gasket; 19. a handle; 20. a heat-insulating layer; 21. a seal ring; 22. a card slot; 23. a connecting ring; 24. and (7) installing holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1-4, an anti-freezing valve for oil exploitation comprises a valve body 1, a first valve core 2 is rotatably disposed in the main valve body 1, a first valve rod 3 is disposed at the top end of the first valve core 2, the first valve rod 3 extends upward to penetrate through the valve body 1, a first rotating ring 4 is disposed at the top end of the first valve rod 3, extension pipes 5 are disposed at the left and right ends of the valve body 1, second valve cores 6 are rotatably disposed in the two extension pipes 5, second valve rods 7 are disposed at the top ends of the two second valve cores 6, the two second valve rods 7 extend upward to penetrate through the extension pipes 5, second rotating rings 8 are disposed at the top ends of the two second valve rods 7, connecting pipes 9 are respectively disposed on the two extension pipes 5, end caps 10 are disposed at ends of the two connecting pipes 9 far away from the extension pipes 5, the front caps 10 are in threaded connection with the connecting pipes 9, a front housing 11 and a rear housing 12 are disposed at the front and rear ends of the valve body 1, through holes 13 are disposed around the front end face of the front housing 11, first screw holes 14 are formed in the through holes 13, second screw holes 15 are formed in the rear shell 12 corresponding to the first screw holes 14, and the first screw holes 14 are connected with the second screw holes 15 through bolts.

Referring to fig. 2, in the present embodiment, a first sealing bearing 16 is disposed between the first valve rod 3 and the valve body 1, a second sealing bearing 17 is disposed between the two second valve rods 7 and the extension pipe 5, the first sealing shaft 16 connects the first valve rod 3 and the valve body 1 in a sealing manner, and the second sealing shaft 17 connects the second valve rod 7 and the extension pipe 5 in a sealing manner.

Referring to fig. 1 and 2, in the present embodiment, the lower end surfaces of the two end caps 10 are respectively provided with a sealing gasket 18, the top ends of the two end caps 10 are respectively provided with a handle 19, the handle 19 is grasped, the end cap 10 with the sealing gasket 18 is rotated and removed, the connecting pipe 9 at the left end is upwardly communicated with an external hot water source, and the connecting pipe 9 at the right end is downwardly connected with an external drain pipe.

Referring to fig. 1-4, in this embodiment, the inner walls of the front housing 11 and the rear housing 12 are both provided with a heat insulating layer 20, the two extension pipes 5 are both provided with a sealing ring 21, the left and right ends of the front housing 11 and the rear housing 12 are both provided with a clamping groove 22 corresponding to the sealing ring 21, one ends of the two extension pipes 5 away from the valve body 1 are both provided with a connecting ring 23, the two connecting rings 23 are both provided with a plurality of mounting holes 24, the front housing 11 and the rear housing 12 are correspondingly mounted on the valve body 1, the sealing ring 21 is mounted in a limiting manner corresponding to the clamping groove 22, the heat insulating layers 20 in the front housing 11 and the rear housing 12 are preferably made of rubber and plastic sponges, heat insulating protection is realized for the valve body 1, and the device with the connecting ring 23 is mounted in a manner of matching with an external pipeline.

Example two:

in conclusion, when the device is used, firstly, the whole device is installed, the whole device with the connecting ring 23 is installed in a matched mode with an external pipeline, a bolt penetrates through the installation hole 24 and is screwed and fixed with the external pipeline, after the whole device is installed, the device is put into use, the second rotating ring 8 is grasped, the second valve rod 7 is rotated, the second valve core 6 is driven by the second valve rod 7 to rotate and open in the extension pipe 5, circulation of the extension pipe 5 is achieved, crude oil in the external pipeline enters the extension pipe 5 and is transmitted to the valve body 1, the first rotating ring 4 is grasped, the first valve rod 3 is rotated, the first valve core 2 is driven by the first valve rod 3 to rotate in the valve body 1, opening is achieved, the crude oil is transmitted to the right extension pipe 5 and the external pipeline through the valve body 1, and transportation of the crude oil is achieved.

Example three:

in conclusion, when the valve is used, when the external environment temperature is low, the front shell 11 and the rear shell 12 are correspondingly installed on the valve body 1, the sealing ring 21 is installed in a limiting manner corresponding to the clamping groove 22, the bolt in the through hole 13 penetrates through the first threaded hole 14 and then is screwed and fixed with the second threaded hole 15, so that the front shell 11 and the rear shell 12 are installed, the heat insulation layers 20 in the front shell 11 and the rear shell 12 are preferably made of rubber and plastic sponge, so that the valve body 1 is protected by heat insulation, when the valve body 1 is frozen due to a special condition, the second rotating ring 8 is gripped, the second valve rod 7 drives the second valve core 6 to rotate, the extension pipe 5 is closed, the handle 19 is gripped, the end cap 10 with the sealing gasket 18 is rotated and taken down, the connecting pipe 9 at the left end is upwards communicated with an external hot water source, the connecting pipe 9 at the right end is downwards connected with an external drain pipe, the hot water washes the frozen crude oil inside, the frozen crude oil is washed, and the frozen crude oil is washed out after being melted, and (4) dredging is realized.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The antifreezing valve for oil exploitation comprises a valve body (1), wherein a first valve core (2) is rotatably arranged in the valve body (1), a first valve rod (3) is arranged at the top end of the first valve core (2), the first valve rod (3) extends upwards to penetrate through the valve body (1), a first rotating ring (4) is arranged at the top end of the first valve rod (3), and the antifreezing valve is characterized in that extension pipes (5) are respectively arranged at the left end and the right end of the valve body (1), second valve cores (6) are respectively rotatably arranged in the two extension pipes (5), second valve rods (7) are respectively arranged at the top ends of the two second valve cores (6), the two second valve rods (7) extend upwards to penetrate through the extension pipes (5), second rotating rings (8) are respectively arranged at the top ends of the two second valve rods (7), and connecting pipes (9) are respectively arranged on the two extension pipes (5), two connecting pipe (9) are kept away from extension pipe (5) one end all is equipped with end cap (10), end cap (10) and connecting pipe (9) threaded connection, both ends are equipped with procapsid (11) and back casing (12) respectively around valve body (1), through-hole (13) have all been seted up all around to procapsid (11) preceding terminal surface, and are a plurality of first screw hole (14) have all been seted up in through-hole (13), it is a plurality of to correspond on back casing (12) second screw hole (15) have all been seted up in first screw hole (14), first screw hole (14) and second screw hole (15) pass through bolted connection.

2. The antifreeze valve for oil extraction according to claim 1, wherein: be equipped with first sealed bearing (16) between first valve rod (3) and valve body (1), two all be equipped with second sealed bearing (17) between second valve rod (7) and extension pipe (5).

3. The antifreeze valve for oil extraction according to claim 1, wherein: two terminal surface all is equipped with sealed pad (18) under end cap (10), two end cap (10) top all is equipped with handle (19).

4. The antifreeze valve for oil extraction according to claim 1, wherein: and heat insulation layers (20) are arranged on the inner walls of the front shell (11) and the rear shell (12).

5. The antifreeze valve for oil extraction according to claim 4, wherein: two all be equipped with sealing ring (21) on extension pipe (5), both ends all correspond about procapsid (11) and back casing (12) clamping groove (22) have been seted up in sealing ring (21).

6. The antifreeze valve for oil extraction according to claim 5, wherein: one end, far away from the valve body (1), of each of the two extension pipes (5) is provided with a connecting ring (23), mounting holes (24) are formed in the two connecting rings (23), and a plurality of mounting holes (24) are formed in the circumferential direction.

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