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CN-120968509-B - Water mixing valve group combined wellhead device with anti-freezing and blocking functions

CN120968509BCN 120968509 BCN120968509 BCN 120968509BCN-120968509-B

Abstract

The invention relates to the technical field of petroleum machinery equipment, in particular to a water mixing valve group combined wellhead device with an anti-freezing and blocking function, which comprises a main valve body, wherein two ends of the main valve body are respectively connected with an oil inlet pipe and an oil outlet pipe, an anti-freezing assembly is arranged on the oil inlet pipe, the anti-freezing assembly comprises a water inlet pipe, one end of the water inlet pipe is communicated with a shunt pipe, a first connecting pipe is arranged in the oil inlet pipe, a fragment assembly is arranged in the oil inlet pipe, one end of the fragment assembly is provided with a separation assembly, a second connecting pipe is arranged at a position, close to the main valve body, of the oil inlet pipe, and a fluid linkage assembly is arranged outside the oil inlet pipe, so that the freezing and blocking problem can be effectively treated.

Inventors

  • GAO LIJIE
  • Zhu Xueen

Assignees

  • 大庆信海越石油科技开发有限公司

Dates

Publication Date
20260508
Application Date
20251016

Claims (8)

  1. 1. The utility model provides a water-doped valves combination wellhead assembly with prevent frostbite and block up function, includes main valve body (1), oil feed pipe (2) and play oil pipe (3) have been connect respectively at the both ends of main valve body (1), oil feed pipe (2) facial make-up has the subassembly that prevents frostbite, its characterized in that, prevent frostbite the subassembly and include: a water inlet pipe (4), one end of which is communicated with a shunt pipe (5); The first connecting pipe (6) is arranged in the oil inlet pipe (2), and one end of the first connecting pipe (6) is bent and penetrates through the oil inlet pipe (2) to be communicated with the shunt pipe (5); The fragment assembly is arranged in the oil inlet pipe (2), the fragment assembly is arranged in a hollow mode, one end of the fragment assembly is communicated with the free end of the first connecting pipe (6), and the other end of the fragment assembly is provided with a separation assembly for screening frozen blocks; The second connecting pipe (7) is arranged at one position of the oil inlet pipe (2) close to the main valve body (1), the second connecting pipe (7) is arranged on the oil inlet pipe (2) in a penetrating mode, one end of the second connecting pipe (7) is communicated with one position of the water inlet pipe (4) close to the shunt pipe (5), and the other end of the second connecting pipe is used for communicating a hot water source; The fluid linkage assembly is arranged outside the oil inlet pipe (2), one end of the fluid linkage assembly is communicated with the shunt pipe (5), and the other end of the fluid linkage assembly is in transmission connection with the separation assembly.
  2. 2. The water mixing valve group combined wellhead device with the anti-freezing and blocking functions according to claim 1, wherein one end of the water inlet pipe (4) far away from the shunt pipe (5) is connected with a first electromagnetic valve (8).
  3. 3. A water-spiked valve assembly wellhead assembly having anti-freeze and anti-clog function according to claim 1, wherein said fragment assembly comprises: The annular box (9) is fixedly arranged in the oil inlet pipe (2), the outer annular surface of the annular box (9) is communicated with one end of the second connecting pipe (7), and an annular through hole (10) is formed in the inner annular surface of the annular box (9); the annular sealing plate (11) is arranged inside the annular box (9), and the inner annular surface of the annular sealing plate (11) is covered on the annular through hole (10); a shaft tube (12), one end of which is communicated with the free end of the first connecting tube (6), and the other end of which is fixedly provided with a disc (13), wherein the interior of the disc (13) is of a hollow structure, and the hollow structure is communicated with the shaft tube (12); The driving piece is arranged between the shaft tube (12) and the first connecting tube (6), and is in transmission connection with the shaft tube (12); The plurality of fragment pipes (14) are all arranged in the annular through hole (10), one end of each fragment pipe (14) is fixedly connected and communicated with the annular sealing plate (11), and the other end of each fragment pipe is fixedly connected with the outer surface of the disc (13) and communicated with the hollow structure.
  4. 4. A water-spiked valve assembly wellhead assembly having an anti-freeze and anti-clog function according to claim 3, wherein said driving member comprises: The center of one side of the shell (15) is fixedly connected and communicated with the free end of the first connecting pipe (6), one end of the shaft pipe (12) penetrates through the center of the shell (15) and is communicated with the free end of the first connecting pipe (6), the shaft pipe (12) is rotationally connected with the shell (15), a liquid inlet pipe (16) and a liquid outlet pipe (17) are communicated with the outer surface of the shell (15) along the tangential direction, the free end of the liquid inlet pipe (16) penetrates through the oil inlet pipe (2) and is communicated with the shunt pipe (5), and the free end of the liquid outlet pipe (17) penetrates through the oil inlet pipe (2) and is communicated with the second connecting pipe (7); Impeller (18) are arranged in casing (15), impeller (18) cover is established on central siphon (12) and fixed connection, both sides of impeller (18) all set firmly with sealing disk (19) of casing (15) inner wall laminating.
  5. 5. The wellhead assembly with the anti-freezing and anti-blocking function according to claim 4, wherein a second electromagnetic valve (20) is arranged outside the oil inlet pipe (2), and the second electromagnetic valve (20) is arranged on the liquid inlet pipe (16).
  6. 6. The water-incorporating valve block assembly wellhead with freeze blocking protection of claim 1, wherein the separation assembly comprises: the middle plate (21) is arranged at one position between the fragment assembly and the main valve body (1), and two ends of the middle plate (21) are fixedly connected with the inner wall of the oil inlet pipe (2); The straight edges of the two arc frames (22) are respectively hinged to two symmetrical sides of the middle plate (21), the cambered surfaces of the arc frames (22) are respectively matched and attached to the inner wall of the oil inlet pipe (2), the arc frames (22) and the middle plate (21) are respectively penetrated by a shaft rod (23) hinged to the oil inlet pipe (2) and connected with the fluid linkage assembly in a transmission mode, the arc frames (22) are respectively fixedly connected with the corresponding shaft rods (23), and the inside of each arc frame (22) is provided with a screen (24).
  7. 7. The water mixing valve group combined wellhead device with the anti-freezing and blocking functions according to claim 6, wherein the screen cloth (24) is made of heating wires, a cavity is formed in one part of the arc-shaped frame (22) away from the middle plate (21), a connecting plate (25) and two guide rods (26) are arranged in the cavity, a protruding shaft (27) is fixedly arranged on one side of the connecting plate (25), the protruding shaft (27) is arranged on the cambered surface of the arc-shaped frame (22) in a penetrating mode, a first conducting plate (28) is fixedly arranged on the other side of the connecting plate (25), a second conducting plate (29) is fixedly arranged on one side of the cavity close to the first conducting plate (28), one ends of the first conducting plate (28) and the second conducting plate (29) are electrically connected with the screen cloth (24), each guide rod (26) is arranged on the connecting plate (25) in a penetrating mode, two ends of each guide rod (26) are fixedly connected with the inner wall of the cavity, a spring (30) is sleeved on each guide rod (26), and two ends of each spring (30) are respectively abutted to one side of the protruding shaft (27).
  8. 8. The water-spiked valve assembly wellhead assembly having anti-freeze and anti-clog function according to claim 6, wherein the fluid linkage assembly comprises: a third connection pipe (31) one end of which is communicated with the shunt pipe (5); U-shaped pipe (32) is fixedly arranged on advance oil pipe (2) through the support, be equipped with rectangle through-hole on the outer wall of U-shaped pipe (32), the inside sliding connection of rectangle through-hole is equipped with connecting rod (33), rack (34) have been set firmly to the one end of connecting rod (33), and arc sealing strip (35) have been set firmly to the other end, arc sealing strip (35) laminating sets up the inside of U-shaped pipe (32), arc sealing strip (35) cover on the rectangle through-hole, piston (36) have been set firmly at the middle part of arc sealing strip (35), just the one end that U-shaped pipe (32) is close to the rectangle through-hole is equipped with venthole (37); A three-way electromagnetic valve (38), wherein one interface is communicated with a drain pipe (39), and the other two interfaces are respectively communicated with the free end of the third connecting pipe (31) and one end of the U-shaped pipe (32) far away from the air outlet hole (37); the two gears (40) are respectively sleeved on the shaft rod (23) and fixedly connected, the two gears (40) are meshed, and one gear (40) is meshed with the rack (34).

Description

Water mixing valve group combined wellhead device with anti-freezing and blocking functions Technical Field The invention relates to the technical field of petroleum machinery equipment, in particular to a water mixing valve group combined wellhead device with an anti-freezing and blocking function. Background The water mixing valve group is widely used in the production of oil fields at present, the water mixing valve group is usually arranged at the wellhead of an oil well, the water mixing valve group has the effects of mixing high-temperature water with crude oil from the wellhead at a certain pressure, increasing the fluidity and the flowing force of the crude oil, enabling the crude oil to be normally conveyed to a metering room through an oil return pipeline, and because the distance between each well and a pump house is different and the oil outlet temperature of the well is different, the water mixing amount actually required by each well is different, the water mixing valve group is closed when the oil is sampled, when the oil is produced and sampled by each oil well, the water mixing valve group needs to be closed, and when water enters the crude oil during sampling, the result of sampling analysis is affected. When the existing water mixing valve set is used in an environment with low temperature, the temperature of well oil is low, so that the oil is viscous, the transportation in a pipeline is slow, and the water mixing valve set is frozen into a block shape when the transportation is severe, and the water mixing valve set is easy to block, so that the normal work of the water mixing valve is influenced. Disclosure of Invention In view of the above, the present invention is directed to a wellhead assembly with an anti-freezing and anti-blocking function, which solves the problems of the prior art. Based on the above object, the invention provides a water mixing valve group combined wellhead device with an anti-freezing and blocking function, which comprises a main valve body, wherein two ends of the main valve body are respectively connected with an oil inlet pipe and an oil outlet pipe, an anti-freezing assembly is arranged on the oil inlet pipe, and the anti-freezing assembly comprises: One end of the water inlet pipe is communicated with the shunt pipe; The first connecting pipe is arranged in the oil inlet pipe, and one end of the first connecting pipe is bent and penetrates through the oil inlet pipe to be communicated with the shunt pipe; The fragment assembly is arranged in the oil inlet pipe, the fragment assembly is arranged in a hollow mode, one end of the fragment assembly is communicated with the free end of the first connecting pipe, and the other end of the fragment assembly is provided with a separation assembly for screening frozen blocks; The second connecting pipe is arranged at one position of the oil inlet pipe, which is close to the main valve body, and penetrates through the oil inlet pipe, one end of the second connecting pipe is communicated with one position of the water inlet pipe, which is close to the shunt pipe, and the other end of the second connecting pipe is used for communicating a hot water source; The fluid linkage assembly is arranged outside the oil inlet pipe, one end of the fluid linkage assembly is communicated with the shunt pipe, and the other end of the fluid linkage assembly is in transmission connection with the separation assembly. Preferably, one end of the water inlet pipe, which is far away from the shunt pipe, is connected with a first electromagnetic valve. Preferably, the fragment assembly comprises: the annular box is fixedly arranged in the oil inlet pipe, the outer annular surface of the annular box is communicated with one end of the second connecting pipe, and an annular through hole is formed in the inner annular surface of the annular box; the annular sealing plate is arranged in the annular box, and the inner annular surface of the annular sealing plate covers the annular through hole; A shaft tube, one end of which is communicated with the free end of the first connecting tube, and the other end of which is fixedly provided with a disc, wherein the inside of the disc is of a hollow structure, and the hollow structure is communicated with the shaft tube; The driving piece is arranged between the shaft tube and the first connecting tube and is in transmission connection with the shaft tube; And the plurality of fragment pipes are all arranged in the annular through hole, one end of each fragment pipe is fixedly connected and communicated with the annular sealing plate, and the other end of each fragment pipe is fixedly connected with the outer surface of the disc and communicated with the hollow structure. Preferably, the driving member includes: The center of one side of the shell is fixedly connected and communicated with the free end of the first connecting pipe, one end of the shaft pipe penetrates through the center of the shell