CN212429895U - Novel ultrahigh-pressure high-low point emission assembly - Google Patents

Abstract

The utility model discloses a novel ultrahigh pressure high low point discharge assembly installs on the ultrahigh pressure trunk line, and it includes: the device comprises a discharging part, a connecting part and a plugging part, wherein a first channel is constructed in the discharging part, a discharging inlet and a discharging outlet are respectively arranged at two ends of the first channel, a partition part rotationally connected with the discharging part is arranged in the first channel, the partition part is used for switching on or off the first channel when rotating within the range of 0-90 degrees, and the discharging inlet is connected with an ultrahigh pressure main pipeline; a second channel is formed inside the connecting piece, a connecting inlet and a connecting outlet are respectively arranged at two ends of the second channel, and the connecting inlet is connected with the discharge outlet; the plugging piece is detachably connected with the connecting outlet. The utility model discloses an assembly is discharged to super high-pressure height low point adopts the connection type structure, and easy operation is convenient, and occupation space is little, and light in weight is sealed effectual, has also ensured the safe operation coefficient when improving pipeline maintenance efficiency.

Description

Novel ultrahigh-pressure high-low point emission assembly

Technical Field

The utility model relates to an ocean oil engineering technical field particularly, in particular to novel super high-pressure high-low point emission assembly that pressure grade is no less than 10000 PSI.

Background

The design of wellhead pipelines, particularly ultrahigh pressure (the pressure grade is more than or equal to 10000 PSI) pipelines, is one of the core components and technical problems in the design of marine oil and gas field development engineering systems. At present, as the development of offshore oil continuously moves to deep sea, offshore platform pipeline systems with high-temperature and high-pressure characteristics are more and more presented, and the arrangement of high-low point discharge of ultrahigh-pressure pipelines becomes an object of important consideration of engineering design and construction. The well head pressure is high, the corresponding pipe is expensive in manufacturing cost, the well head space is limited, and the problem that how to reduce the engineering cost and the occupied well head space under the premise of meeting the safety becomes the engineering design is solved.

At present, the connection type adopted by the high-low point discharge of the ultrahigh pressure pipeline is as follows: the process valve is in the forms of blind flange plugging with a flange, hoop connection (G-Clamp) and the like. Generally speaking, the sizes of the high-low point discharge pipelines of the pipelines in the wellhead area are 3/4 ' and 1/2 ', the minimum size of the flange is 113/16 ' according to API6A and 10000PSI, if the high-low point discharge pipelines of 3/4 ' are connected, a long welding transition section exists, in addition, the blind flange of the 113/16 ' flange is large in size, heavy in weight and difficult to meet the spatial arrangement, the overall effect of the type is not ideal, the construction workload is large, the cost is high, and the later-stage operation and maintenance are not convenient. The other connection form is a hoop connection (G-Clamp), an international general high-voltage connection mode and a mature product, but the minimum size is 1', the size use range is limited, and the occupied space range is large.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the above-mentioned technical problem among the prior art to a certain extent at least. In view of this, the utility model discloses need provide an adopt connection type structure, easy operation is convenient, and occupation space is little, and light in weight is sealed effectual, also ensures safe operation coefficient and pressure level when improving pipeline maintenance efficiency and is greater than or equal to 10000 PSI's novel super high-low point emission assembly.

The utility model provides a novel ultrahigh pressure high low point discharge assembly installs on the ultrahigh pressure trunk line, and it includes: the device comprises a discharging piece, a connecting piece and a blocking piece, wherein a first channel is constructed in the discharging piece, a discharging inlet and a discharging outlet are respectively arranged at two ends of the first channel, a partition piece which is rotationally connected with the discharging piece is arranged in the first channel, the partition piece is used for conducting or closing the first channel when rotating within the range of 0-90 degrees, and the discharging inlet is connected with the ultrahigh pressure main pipeline; a second channel is formed inside the connecting piece, a connecting inlet and a connecting outlet are respectively arranged at two ends of the second channel, and the connecting inlet is connected with the discharge outlet; the blocking piece is detachably connected with the connecting outlet.

According to the utility model discloses an embodiment, the connecting piece includes the welding end, the enhancement section and the link that connect gradually and inside communicates in proper order, the welding end form connect the import and with discharge outlet fixed connection, the link end forms connect the export, wherein the outside of link is equipped with first contact surface, the inboard of link is equipped with the second contact surface.

According to the utility model discloses an embodiment, the shutoff piece includes the shutoff body and establishes shutoff head on the shutoff body, be equipped with the recess on the shutoff body, the shutoff head inlays to be located in the recess, and keep away from the outside extension of direction of recess forms marginal protruding, the inner wall of recess with first contact surface looks butt, the bellied surface in edge with the laminating of second contact surface sets up.

According to the utility model discloses an embodiment, be equipped with the external screw thread on the first contact surface, be equipped with on the recess inner wall with the internal thread that the external screw thread cooperation was used, in order to form the shutoff piece with metal seal between the connecting piece.

According to one embodiment of the present invention, the discharge member is a 3/4 "or 1/2" manual ultrahigh pressure valve.

According to one embodiment of the present invention, the connector is a welded joint of 3/4 "or 1/2".

According to the utility model discloses an embodiment, the shutoff piece is superhigh pressure end cap.

The utility model discloses a novel assembly is discharged to super high pressure height low point is applied to in the super high pressure pipeline that pressure grade is greater than or equal to 10000PSI, adopts the connection type structure, and the discharge outlet and the super high pressure end cap of super high pressure valve are connected respectively to welded joint's both ends promptly, and being connected of super high pressure end cap and welded joint's connection export, recess and first contact surface threaded connection form the metal seal effect, and the bellied surface in edge sets up with the second contact surface laminating, further improves the sealed effect of super high pressure end cap, simultaneously the utility model discloses an assembly occupation space is little, and easy operation is convenient, and light in weight has effectively improved pipeline maintenance efficiency and safe operation coefficient.

Drawings

Fig. 1 is a schematic structural diagram of a novel ultrahigh pressure high-low point discharge assembly according to the present invention.

Fig. 2 is a schematic structural view of a drain according to the present invention.

Fig. 3 is a schematic structural view of a closure according to the present invention.

Fig. 4 is a schematic structural diagram of a connecting piece according to the present invention

Reference numerals: 1-a drain; 2-a connector; 3-plugging piece; 11-a first channel; 12-a discharge inlet; 13-a discharge outlet; 14-a spacer; 21-a second channel; 22-connecting an inlet; 23-connecting an outlet; 24-a reinforcement section; 31-plugging the body; 32-blocking head; 33-a groove; 34-edge projection; 231 — a first contact surface; 232-second contact surface.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1 to 4, a novel ultrahigh pressure high-low point discharging assembly is installed on an ultrahigh pressure main pipeline, and comprises: the device comprises a discharging part 1, a connecting part 2 and a plugging part 3, wherein a first channel 11 is constructed in the discharging part 1, a discharging inlet 12 and a discharging outlet 13 are respectively arranged at two ends of the first channel 11, a partition part 14 rotationally connected with the discharging part 1 is arranged in the first channel 11, the partition part 14 is used for conducting or closing the first channel 11 when rotating within the range of 0-90 degrees, and the discharging inlet 12 is connected with an ultrahigh pressure main pipeline; a second channel 21 is formed inside the connecting piece 2, a connecting inlet 22 and a connecting outlet 23 are respectively arranged at two ends of the second channel 21, and the connecting inlet 22 is connected with the discharge outlet 13; the block piece 3 is detachably connected with the connection outlet 23.

The utility model discloses a novel assembly is discharged to super high pressure height low point is applied to in the super high pressure pipeline that pressure grade is greater than or equal to 10000PSI, adopts the connection type structure, and the discharge outlet 12 and the super high pressure end cap of super high pressure valve are connected respectively to welded joint's both ends promptly, and being connected of super high pressure end cap and welded joint's connection export 23, recess 33 and the sealed effect of first contact surface 231 threaded connection formation metal, the surface of marginal arch 34 and the laminating setting of second contact surface 232 further improve the sealed effect of super high pressure end cap, simultaneously the utility model discloses an assembly occupation space is little, and easy operation is convenient, and light in weight has effectively improved pipeline maintenance efficiency and safe operation coefficient.

As shown in fig. 3 to 4, the connecting member 2 includes a welding end, a reinforcing section 24 and a connecting end, which are connected in sequence and are communicated with each other in sequence, the welding end forms a connecting inlet 22 and is fixedly connected with the discharge outlet 13, the connecting end forms a connecting outlet 23, wherein a first contact surface 231 is provided on the outer side of the connecting end, and a second contact surface 232 is provided on the inner side of the connecting end;

the plugging member 3 comprises a plugging body 31 and a plugging head 32 arranged on the plugging body 31, a groove 33 is formed in the plugging body 31, the plugging head 32 is embedded in the groove 33, and an edge protrusion 34 is formed by outwards extending along the direction far away from the groove 33, the inner wall of the groove 33 is abutted to a first contact surface 231, the outer surface of the edge protrusion 34 is abutted to a second contact surface 232, wherein an external thread is arranged on the first contact surface 231, an internal thread matched with the external thread is arranged on the inner wall of the groove 33, so as to form metal sealing between the plugging member 3 and the connecting member 2, the sealing principle is equal to the sealing effect of a valve seat or a flange, after the plugging member 3, namely the ultrahigh pressure plug, is screwed in place, the outer surface of the edge protrusion 34 is abutted to the second contact surface 232, and the sealing effect of the ultrahigh pressure plug is further improved.

As shown in fig. 1 to 4, according to the utility model discloses a specific embodiment, in the utility model, discharge 1 for 3/4 "or 1/2" manual ultrahigh pressure valve, connecting piece 2 is 3/4 "or 1/2" welded joint, shutoff piece 3 is the dedicated superhigh pressure end cap of instrument that is used for the shutoff, it should be understood that welded joint is the dedicated superhigh pressure conversion welded joint of instrument, its welded end is the line end of 1/2 "screw thread, this distolateral and ultrahigh pressure valve's discharge outlet welding, the size of welded joint's link can be selected according to the extra-high pressure main pipe structure is nimble, in order to carry out the transform of size and connection form through welded joint.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (7)

1. The utility model provides a novel assembly is discharged to super high pressure high low point, installs on super high pressure trunk line, and it includes: the device comprises a discharging piece, a connecting piece and a blocking piece, and is characterized in that a first channel is constructed in the discharging piece, a discharging inlet and a discharging outlet are respectively arranged at two ends of the first channel, a partition piece rotationally connected with the discharging piece is arranged in the first channel, the partition piece is used for conducting or closing the first channel when rotating within the range of 0-90 degrees, and the discharging inlet is connected with the ultrahigh pressure main pipeline; a second channel is formed inside the connecting piece, a connecting inlet and a connecting outlet are respectively arranged at two ends of the second channel, and the connecting inlet is connected with the discharge outlet; the blocking piece is detachably connected with the connecting outlet.

2. The novel ultra-high pressure high-low point discharge assembly as claimed in claim 1, wherein the connecting member comprises a welding end, a reinforcing section and a connecting end which are connected in sequence and are internally communicated in sequence, the welding end forms the connecting inlet and is fixedly connected with the discharge outlet, the connecting end forms the connecting outlet, wherein a first contact surface is arranged on the outer side of the connecting end, and a second contact surface is arranged on the inner side of the connecting end.

3. The novel ultrahigh-pressure high-low point discharge assembly according to claim 2, wherein the plugging member comprises a plugging body and a plugging head arranged on the plugging body, the plugging body is provided with a groove, the plugging head is embedded in the groove and extends outwards in a direction away from the groove to form an edge protrusion, the inner wall of the groove abuts against the first contact surface, and the outer surface of the edge protrusion is attached to the second contact surface.

4. The assembly as claimed in claim 3, wherein the first contact surface has external threads, and the inner wall of the groove has internal threads for engaging with the external threads to form a metal seal between the plugging member and the connecting member.

5. The novel ultra-high pressure high low point discharge assembly of claim 1 wherein said discharge member is a 3/4 "or 1/2" manual ultra-high pressure valve.

6. The novel ultra-high pressure high low point discharge assembly as claimed in any one of claims 1 to 4 wherein said connector is a welded joint of 3/4 "or 1/2".

7. The novel ultra-high pressure high low point discharge assembly according to any of claims 1-4, wherein said plugging member is an ultra-high pressure plug.

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