CN113217637B

CN113217637B - Subsea production tree throttle valve

Info

Publication number: CN113217637B
Application number: CN202110409235.6A
Authority: CN
Inventors: 李伏虎; 梁桂华; 陈洪坤
Original assignee: Cepai Group Co Ltd
Current assignee: Cepai Group Co Ltd
Priority date: 2021-04-15
Filing date: 2021-04-15
Publication date: 2022-05-27
Anticipated expiration: 2041-04-15
Also published as: CN113217637A

Abstract

The invention relates to the technical field of throttle valves and discloses a subsea production tree throttle valve which comprises a valve body, wherein an oil inlet pipe is arranged on the right side of the valve body, an oil outlet pipe is arranged at the central shaft at the bottom of the valve body, the oil outlet pipe and the oil inlet pipe are both communicated with the valve body, a rotating disc is arranged at the top of the valve body, and a valve rod is fixedly connected to the left side of the bottom of the rotating disc. So that the subsequent filtering effect is better.

Description

Subsea production tree throttle valve

Technical Field

The invention relates to the technical field of throttling valves, in particular to a subsea Christmas tree throttling valve.

Background

A throttle valve is a valve that controls the flow of fluid by changing the throttle section or throttle length. The throttle valve and the one-way valve are connected in parallel to form the one-way throttle valve. The throttle valve has no flow negative feedback function, cannot compensate speed instability caused by load change, and is generally only used in occasions with small load change or low requirement on speed stability.

When the subsea production tree throttling valve is used, impurities exist in oil gas, so that a valve port is easy to block, and the subsea production tree throttling valve is provided.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a subsea Christmas tree throttling valve to solve the problems in the background art.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a subsea tree throttle valve, includes the valve body, the valve body right side is provided with into oil pipe, valve body bottom axis department is provided with out oil pipe, it all communicates with the valve body with advancing oil pipe to go out oil pipe, the valve body top is provided with the rolling disc, rolling disc bottom left side fixedly connected with valve rod.

Preferably, the valve body is internally provided with a sealing plate, the bottom of the sealing plate is fixedly connected with a fixing sleeve, the fixing sleeve is internally hollow, the right side of the sealing plate is provided with a first connecting piece, the first connecting piece is communicated with the oil inlet pipe, the surface of the fixing sleeve is provided with a first flow hole, and the first flow hole is communicated with the first connecting piece.

Preferably, the fixed sleeve is internally provided with an opening and closing part, the top of the opening and closing part is fixedly connected with the bottom of the valve rod, the valve rod penetrates through the sealing plate and is movably inserted into the sealing plate, the outer surface of the opening and closing part is in contact with the inner wall of the fixed sleeve, the bottom of the opening and closing part is provided with a drain pan, the drain pan is in a funnel shape, the drain pan is fixedly connected with the inner wall of the fixed sleeve, and the bottom of the drain pan is provided with an anti-blocking ring.

Preferably, the opening has been seted up to the one end that connecting piece one is close to fixed cover, opening shape and fixed cover surface shape looks adaptation, a inside guiding plate that is provided with of connecting piece, guiding plate surface and a connecting piece inner wall fixed connection, a connecting piece axis department is provided with connecting rod one, four connecting pieces two of a connecting rod outer fixed connection, four the one end that connecting piece two kept away from connecting rod one respectively is equallyd divide do not with guiding plate inner wall fixed connection, connecting rod one end is connected with connecting rod two through the bearing rotation, four baffles of two outer fixed surface connections of connecting rod, four the equal fixedly connected with connecting block in baffle side top, four the connecting block bottom all bonds and has rope one, four rope one bottom all bonds and has the sponge piece.

Preferably, a trapezoidal block is arranged at the middle shaft in the anti-blocking ring, a fixed rod is arranged at the middle shaft of the anti-blocking ring, a fixed frame is fixedly connected at the bottom of the fixed rod, the fixed frame is fixedly connected with the inner wall of the trapezoidal block, a fixed disc is fixedly connected at the top of the fixed rod, guide plates are arranged at the left and right ends of the fixed disc, diaphragms are annularly bonded at the tops of the two guide plates, the diaphragms are annularly arranged, the inner part of each diaphragm is bonded with the top of the outer surface of the fixed disc, the middle shaft at the end, close to each other, of the two guide plates is rotatably connected with a support rod, the two support rods are respectively and fixedly connected with the fixed rod, the fixed disc is provided with an opening, press blocks are arranged at the two ends of the top of the fixed disc, the bottoms of the two press blocks are rotatably connected with the fixed disc, ejector rods are arranged at the bottoms of the two press blocks and respectively penetrate through the fixed disc, two the guide plate bottom all bonds and has rope two, two the one end that two guide plates were kept away from respectively to rope two all bonds with the dead lever, two the ejector pin is equallyd divide and is do not contacted with two rope two.

Preferably, the outer surface of the bottom of the trapezoid block is provided with a leak hole, and the bottom of the trapezoid block is fixedly connected with the inner wall of the anti-blocking ring.

Preferably, two the briquetting axis department has all seted up flow hole two, two the equal fixedly connected with connecting plate of one end that the briquetting is close to each other, two the connecting plate is the cross-shaped setting, two the inside mediation piece that all is provided with of flow hole two, two the one end that mediation piece is close to each other all is tied rope three, two rope three the one end of keeping away from two mediation pieces respectively all bonds with flow hole two, two the equal fixedly connected with spring of two pore walls of flow hole, two the spring is equallyd divide and is do not bonded with two rope three.

Compared with the prior art, the invention provides a subsea production tree throttling valve, which has the following beneficial effects:

1. according to the invention, by arranging the fixed sleeve, oil gas entering the fixed sleeve can fall into the anti-blocking ring through the leakage disc, so that impurities in the oil gas can be filtered by the leakage holes formed in the trapezoidal block, the filtered oil gas is discharged from the oil outlet pipe, and the oil outlet pipe is prevented from being blocked by the impurities in the oil gas, thereby avoiding the problem of inconvenient cleaning caused by blocking.

2. According to the invention, the first connecting piece is arranged, so that oil gas can impact the baffle plate, the baffle plate can rotate through the second connecting rod, and the oil gas can be driven to rotate and be discharged from the inside of the first connecting piece, impurities in the oil gas are concentrated when the first connecting piece rotates, the subsequent filtering is convenient, the subsequent filtering effect is better, and the impurities are conveniently concentrated.

3. According to the invention, the anti-blocking ring is arranged, so that oil gas can impact the pressing block when the oil gas falls, the pressing block can extrude the ejector rod, the ejector rod can stretch the guide plate through the rope II, the falling oil gas can fall along the guide plate and is discharged after being filtered by the trapezoidal block, and the filtering effect on impurities in the oil gas is further enhanced.

4. According to the invention, by arranging the pressing block, when the pressing block is stamped, part of oil gas can flow out along the second flow hole after being blocked by the connecting plate, so that the oil gas outflow speed is accelerated, and meanwhile, by arranging the dredging piece, the dredging piece can slide in the second flow hole through the third rope and the spring, so that the oil gas outflow speed is accelerated, and the blockage of the second flow hole is also avoided.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic view of the structure of the sealing plate and the fixing sleeve of the present invention;

fig. 4 is a schematic view of the internal structure of the pouch of the present invention;

FIG. 5 is a schematic view of the internal structure of the connector of the present invention;

FIG. 6 is a perspective view of a connector of the present invention;

FIG. 7 is a schematic structural view of the anti-blocking ring according to the present invention;

FIG. 8 is a schematic structural view of the fixing plate of the present invention.

In the figure: 1 valve body, 11 sealing plate, 12 fixing sleeve, 13 connecting piece I, 131 flow guide disc, 132 connecting rod I, 133 connecting piece II, 134 connecting rod II, 135 baffle, 136 connecting block, 137 rope I, 138 opening, 14 flow hole I, 15 starting and closing piece, 16 drain disc, 17 anti-blocking ring, 171 trapezoidal block, 172 fixing rod, 173 flow guide plate, 174 supporting rod, 175 fixing disc, 176 pressing block, 1 flow hole II, 1762 dredging piece, 1763 connecting plate, 1764 rope III, 1765 spring, 177 diaphragm, 178 rope II, 179 ejector pin, 2 oil outlet pipe, 3 oil inlet pipe, 4 rotating disc and 5 valve rod.

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.

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 illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

Referring to fig. 1-8, the present invention provides a technical solution: a subsea production tree throttling valve comprises a valve body 1, a sealing plate 11 is arranged inside the valve body 1, a fixing sleeve 12 is fixedly connected to the bottom of the sealing plate 11, by arranging the fixing sleeve 12, oil gas entering the fixing sleeve 12 can fall into an anti-blocking ring 17 through a leakage disc 16, impurities in the oil gas can be filtered by a leakage hole formed in a trapezoidal block 17, the filtered oil gas is discharged from an oil outlet pipe 2, the phenomenon that the oil outlet pipe 2 is blocked by the impurities in the oil gas is avoided, and therefore the problem that cleaning is inconvenient due to blocking is avoided, the fixing sleeve 12 is hollow, an opening and closing part 15 is arranged inside the fixing sleeve 12, the top of the opening and closing part 15 is fixedly connected with the bottom of a valve rod 5, the valve rod 5 penetrates through the sealing plate 11 and is movably inserted into the sealing plate 11, the outer surface of the opening and closing part 15 is in contact with the inner wall of the fixing sleeve 12, the leakage disc 16 is arranged at the bottom of the opening and closing part 15, and the leakage disc 16 is funnel-shaped, the drain pan 16 is fixedly connected with the inner wall of the fixed sleeve 12, the bottom of the drain pan 16 is provided with an anti-blocking ring 17, the anti-blocking ring 17 is arranged, oil gas can impact a pressing block 176 when the oil gas falls down, the pressing block 176 can press an ejector rod 179, the ejector rod 179 can stretch a guide plate 173 through a rope II 178, the falling oil gas can fall down along the guide plate 173 and is discharged after being filtered by a trapezoidal block 171, the filtering effect on impurities in the oil gas is further enhanced, the trapezoidal block 171 is arranged at the middle shaft inside the anti-blocking ring 17, the outer surface of the bottom of the trapezoidal block 171 is provided with a leak hole, the bottom of the trapezoidal block 171 is fixedly connected with the inner wall of the anti-blocking ring 17, the middle shaft of the anti-blocking ring 17 is provided with a fixed rod 172, the bottom of the fixed rod 172 is fixedly connected with a fixed bracket, the fixed bracket is fixedly connected with the inner wall of the trapezoidal block 171, the top of the fixed rod 172 is fixedly connected with a fixed disk 175, the left end and the right end of the fixed disk 175 are provided with the guide plate 173, the top of each of the two guide plates 173 is annularly bonded with a diaphragm 177, the diaphragm 177 is arranged in an annular shape, the inside of the diaphragm 177 is bonded with the top of the outer surface of the fixed disk 175, the central shaft at one end, close to each other, of each of the two guide plates 173 is rotatably connected with a support rod 174, each of the two support rods 174 is fixedly connected with the fixed rod 172, the fixed disk 175 is arranged in an open shape, two ends of the top of the fixed disk 175 are respectively provided with a pressing block 176, by arranging the pressing blocks 176, when the pressing blocks 176 are punched, part of oil gas can flow out along the two flow holes 1761 after being blocked by a connecting plate 1763, the oil gas outflow speed is accelerated, and by arranging a dredging piece 1762, the dredging piece 1762 can slide inside the two flow holes 1761 through a rope 1764 and a spring 1765, namely the oil gas outflow speed is accelerated, the blockage of the two flow holes 1761 is also avoided, the central shafts of the two pressing blocks 176 are respectively provided with the two flow holes 1761, one end, close to each other end of the two pressing blocks 176 is fixedly connected with the connecting plate 1763, two connecting plates 1763 are arranged in a cross shape, the cross shape can prevent oil gas from flowing from two flow holes 1761 by the connecting plates 1763 as far as possible, two flow holes 1761 are internally provided with dredging parts 1762, one ends of the two dredging parts 1762 close to each other are respectively tied with three ropes 1764, one ends of the two ropes 1764 far away from the two dredging parts 1762 are respectively bonded with the two flow holes 1761, the hole walls of the two flow holes 1761 are respectively and fixedly connected with springs 1765, the two springs 1765 are respectively bonded with the two ropes three 1764, the bottoms of two pressing blocks 176 are respectively and rotatably connected with a fixed disc 175, the bottoms of the two pressing blocks 176 are respectively provided with an ejector rod 179, the two ejector rods 179 respectively penetrate the fixed disc 175, the bottoms of the two guide plates 173 are respectively bonded with two ropes 178, one ends of the two ropes 178 far away from the two guide plates 173 are respectively bonded with the fixed disc 172, the two ejector rods 179 are respectively and contacted with the two ropes 178, the right side of the sealing plate 11 is provided with a first connecting piece 13, through the arrangement of the first connecting piece 13, oil gas can impact the baffle 135, the baffle 135 can rotate through the second connecting rod 134, so that the oil gas can be driven to rotate and discharge in the first connecting piece 13, impurities in the oil gas can be concentrated when the first connecting piece 13 rotates, the subsequent filtering can be conveniently carried out, the subsequent filtering effect is better, and the impurities can be conveniently concentrated and treated, an opening 138 is formed at one end, close to the fixing sleeve 12, of the first connecting piece 13, the shape of the opening 138 is matched with that of the outer surface of the fixing sleeve 12, a flow guide disc 131 is arranged in the first connecting piece 13, the outer surface of the flow guide disc 131 is fixedly connected with the inner wall of the first connecting piece 13, the first connecting rod 132 is arranged at the middle shaft of the first connecting piece 13, four second connecting pieces 133 are fixedly connected to the outer surface of the first connecting rod 132, one ends, respectively far away from the first connecting rod 132, of the four connecting pieces 133 are respectively fixedly connected with the inner wall of the flow guide disc 131, one end of the first connecting rod 132 is rotatably connected with the second connecting rod 134 through a bearing, two 134 outer fixed surface of connecting rod have four baffles 135, the equal fixedly connected with connecting block 136 in four baffles 135 side tops, four connecting block 136 bottoms all bond and have rope one 137, four rope one 137 bottoms all bond and have the sponge piece, the sponge piece rotates and to make the inner wall of connecting piece one 13 avoid being stained with and attach impurity, also can assist when rotating smash the bold impurity in the oil gas simultaneously, connecting piece one 13 and advance oil pipe 3 intercommunication, fixed cover 12 surface has seted up discharge hole one 14, discharge hole one 14 and connecting piece one 13 intercommunication, 1 right side of valve body is provided with into oil pipe 3, 1 bottom axis department of valve body is provided with out oil pipe 2, it all communicates with 1 of valve body to go out oil pipe 2 and advance oil pipe 3, 1 top of valve body is provided with

rolling disc

4, 4 bottom left side fixedly connected with valve rod 5 of rolling disc.

When the oil gas filter is used, oil gas in the oil inlet pipe 3 enters the connecting piece I13, the oil gas contacts the baffle 135 in the connecting piece I13 to impact the baffle 135, the baffle 135 rotates around the connecting rod II 134, the rotated baffle 135 drives the oil gas in the connecting piece I13 to rotate around the inner wall of the connecting piece I13, the oil gas generates vortex when rotating, impurities in the oil gas are concentrated at the vortex, large impurities can be crushed, then the impurities in the oil gas are discharged into the fixing sleeve 12 through the flow hole I14 along with the oil gas, the impurities dispersed in the oil gas are concentrated, the impurities in the oil gas are conveniently filtered, the oil gas enters the fixing sleeve 12 and then falls into the drain plate 16, the oil gas containing the impurities falls down along the inner wall of the drain plate 16 in the drain plate 16, and the oil gas falling down in the drain plate 16 contacts the pressing block 176 to impact the pressing block 176, the oil gas presses the press block 176 to enable the press block 176 to obliquely extrude the mandril 179, the top plate 179 is driven by the press block 176 to downwards extrude the rope two 178, the rope two 178 is forced to pull the guide plate 173 to incline, so that the guide plate 713 is opened, the oil gas falls into the interior of the trapezoidal block 171 along the opened guide plate 713, impurities in the oil gas are filtered by the trapezoidal block 171, the filtered oil gas flows out from the oil outlet pipe 2, the situation that the oil gas falling from the interior of the drain pan 16 directly falls into the interior of the trapezoidal block 171 and is not directly discharged from the oil outlet pipe 2 after being filtered by the trapezoidal block is avoided, the falling oil gas is filtered by the trapezoidal block 171, the situation that the oil gas is directly discharged, the impurities in the oil gas block the pipeline are avoided, when the oil gas impacts the press block 176, part of the oil gas is blocked by the connecting plate 1763 and enters the interior of the flow hole two 1761 to accelerate the flow rate of the oil gas, thereby indirectly quickening the filtering effect on the impurities in the oil gas, the oil gas in the second flow hole 1761 directly flows out after passing through the dredging piece 1762, the oil gas is in contact with the dredging piece 1762, and then the dredging piece 1762 is impacted, so that the third rope 1764 is pulled to move to extrude the spring 1765 when the dredging piece 1762 is driven, and the dredging piece 1762 can slide in the second flow hole 1761, so that the outflow speed of the oil gas in the second flow hole 1761 is accelerated, the possibility that the impurities in the oil gas are accumulated in the second flow hole 1761 to block the second flow hole 1761 is avoided, the purpose of effectively cleaning and filtering the impurities in the oil gas flowing through the throttle valve is achieved, the blockage caused by the accumulation of the impurities is avoided, and the normal service life of the throttle valve is ensured.

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

Claims

1. A subsea tree choke valve, includes valve body (1), its characterized in that: an oil inlet pipe (3) is arranged on the right side of the valve body (1), an oil outlet pipe (2) is arranged at the bottom center shaft of the valve body (1), the oil outlet pipe (2) and the oil inlet pipe (3) are both communicated with the valve body (1), a rotating disc (4) is arranged on the top of the valve body (1), and a valve rod (5) is fixedly connected to the left side of the bottom of the rotating disc (4);

a sealing plate (11) is arranged in the valve body (1), a fixing sleeve (12) is fixedly connected to the bottom of the sealing plate (11), the fixing sleeve (12) is arranged in a hollow mode, a first connecting piece (13) is arranged on the right side of the sealing plate (11), the first connecting piece (13) is communicated with the oil inlet pipe (3), a first flow hole (14) is formed in the surface of the fixing sleeve (12), and the first flow hole (14) is communicated with the first connecting piece (13);

an opening and closing part (15) is arranged in the fixed sleeve (12), the top of the opening and closing part (15) is fixedly connected with the bottom of the valve rod (5), the valve rod (5) penetrates through the sealing plate (11) and is movably inserted into the sealing plate (11), the outer surface of the opening and closing part (15) is in contact with the inner wall of the fixed sleeve (12), a drain pan (16) is arranged at the bottom of the opening and closing part (15), the drain pan (16) is arranged in a funnel shape, the drain pan (16) is fixedly connected with the inner wall of the fixed sleeve (12), and an anti-blocking ring (17) is arranged at the bottom of the drain pan (16);

an opening (138) is formed in one end, close to the fixed sleeve (12), of a first connecting piece (13), the shape of the opening (138) is matched with the shape of the outer surface of the fixed sleeve (12), a flow guide disc (131) is arranged inside the first connecting piece (13), the outer surface of the flow guide disc (131) is fixedly connected with the inner wall of the first connecting piece (13), a first connecting rod (132) is arranged at the middle shaft of the first connecting piece (13), four connecting pieces (133) are fixedly connected with four connecting pieces (133), four ends, far away from the first connecting rod (132) respectively, of the second connecting pieces (133) are uniformly connected with the inner wall of the flow guide disc (131) respectively, one end of the first connecting rod (132) is rotatably connected with a second connecting rod (134) through a bearing, the outer surface of the second connecting rod (134) is fixedly connected with four baffles (135), four baffles (135) are fixedly connected with a connecting block (136) at the top of the side surface of the baffles (135), ropes I (137) are bonded to the bottoms of the four connecting blocks (136), and sponge blocks are bonded to the bottoms of the ropes I (137).

2. The subsea tree choke valve of claim 1, wherein: the anti-blocking ring is characterized in that a trapezoidal block (171) is arranged at the middle shaft in the anti-blocking ring (17), a fixing rod (172) is arranged at the middle shaft in the anti-blocking ring (17), a fixing frame is fixedly connected to the bottom of the fixing rod (172), the fixing frame is fixedly connected with the inner wall of the trapezoidal block (171), a fixing disc (175) is fixedly connected to the top of the fixing rod (172), guide plates (173) are arranged at the left end and the right end of the fixing disc (175), diaphragms (177) are annularly adhered to the tops of the two guide plates (173), the diaphragms (177) are arranged in a circular ring shape, the interiors of the diaphragms (177) are adhered to the top of the outer surface of the fixing disc (175), supporting rods (174) are rotatably connected to the middle shaft at one ends, close to each other, of the two guide plates (173), the two supporting rods (174) are respectively fixedly connected with the fixing rod (172), and the fixing disc (175) is arranged in an opening manner, fixed disk (175) top both ends all are provided with briquetting (176), two briquetting (176) bottom all rotates with fixed disk (175) to be connected, two briquetting (176) bottom all is provided with ejector pin (179), two ejector pin (179) are equallyd divide and do not run through fixed disk (175), two guide plate (173) bottom all bonds and has two (178), two the one end that two guide plates (173) were kept away from respectively to two (178) of rope all bonds with dead lever (172), two ejector pin (179) are equallyd divide and do not contact with two (178) of rope.

3. The subsea tree choke valve of claim 2, wherein: the leak hole has been seted up to trapezoidal piece (171) bottom surface, trapezoidal piece (171) bottom and prevent stifled ring (17) inner wall fixed connection.

4. The subsea tree choke valve of claim 3, wherein: two flow holes II (1761) are formed in the middle shaft of the two pressing blocks (176), one ends, close to each other, of the two pressing blocks (176) are fixedly connected with connecting plates (1763), the two connecting plates (1763) are arranged in a crossed mode, dredging pieces (1762) are arranged inside the two flow holes II (1761), ropes III (1764) are tied to one ends, close to each other, of the dredging pieces (1762), one ends, far away from the two dredging pieces (1762), of the ropes III (1764) are bonded with the flow holes II (1761), springs (1765) are fixedly connected to the wall of the flow holes II (1761), and the springs (1765) are bonded with the two ropes III (1764) respectively.