CN-121993108-A - Chemical feeding device for gas production wellhead and treatment method

CN121993108ACN 121993108 ACN121993108 ACN 121993108ACN-121993108-A

Abstract

The invention belongs to the technical field of wellhead dosing, and discloses a gas production wellhead dosing device and a treatment method, wherein the device comprises a charging bucket, a supporting column is arranged at the bottom of the charging bucket, a power piece is arranged at the top of the charging bucket, the supporting column and the power piece are fixedly connected with the charging bucket, a feeding groove communicated with the charging bucket is arranged at the top end of the side wall of the charging bucket, and a discharging pipe of a passband valve connected with the charging bucket is arranged at the bottom end of the side wall of the charging bucket; be provided with hollow-out baffle in the material jar, baffle one end is provided with rabbling mechanism, and the other end is provided with lower rabbling mechanism, goes up rabbling mechanism and lower rabbling mechanism and divide into upper and lower two-layer with the material jar to carry out synchronous stirring, ensure to carry out the omnidirectional mixing stirring to the material jar, guaranteed the sufficiency that medicament and material mix on the whole, and power spare is last rabbling mechanism and lower rabbling mechanism and provides power simultaneously, produces the stirring turbulent flow of two dimensions, further reinforcing stirring effect.

Inventors

LI ZHIMING
CHANG ZELIANG
WU YOUMING
FAN ZHUJUN
XIE JIANGUO
ZHAO WEIZHI
LIAO MINGWEI
YANG WENZHONG

Assignees

中国石油天然气股份有限公司

Dates

Publication Date: 20260508
Application Date: 20241104

Claims (10)

1. The utility model provides a gas recovery wellhead charge device which characterized in that: The automatic feeding device comprises a charging bucket (1), wherein a support column (2) is arranged at the bottom of the charging bucket (1), a power piece (3) is arranged at the top of the charging bucket (1), the support column (2) and the power piece (3) are fixedly connected with the charging bucket (1), a feeding groove (4) communicated with the charging bucket (1) is arranged at the top end of the side wall of the charging bucket (1), and a discharging pipe (5) connected with a passband valve of the charging bucket (1) is arranged at the bottom end of the side wall of the charging bucket (1); Be provided with baffle (6) of fretwork formula in material jar (1), baffle (6) one end is provided with rabbling mechanism (7), and the other end is provided with lower rabbling mechanism (8), go up rabbling mechanism (7) and lower rabbling mechanism (8) all with baffle (6) fixed connection, baffle (6) and material jar (1) fixed connection.
2. The gas production wellhead dosing device of claim 1, wherein: The stirring device is characterized by further comprising a rotating shaft (9), wherein the rotating shaft (9) is arranged on one side, far away from the lower stirring mechanism (8), of the upper stirring mechanism (7), and the rotating shaft (9) is fixedly connected with the output end of the power piece (3).
3. The gas production wellhead dosing device of claim 1, wherein: still include the flitch down, the flitch links firmly in material jar (1) inner bottom wall, and the flitch down inclines towards discharging pipe (5) one side.
4. The gas production wellhead dosing device of claim 2, wherein: Last rabbling mechanism (7) include with charging bucket (1) roof fixed connection's ring gear (71), be provided with sun gear (73) in ring gear (71), sun gear (73) are kept away from discharging pipe (5) one side and are provided with spliced pole (72), spliced pole one end and pivot (9) fixed connection, the other end and sun gear (73) fixed connection, spliced pole (72) lateral wall is provided with two at least supports (74), spliced pole (72) one end fixed connection star gear (75) are kept away from to support (74), sun gear (73), star gear (75), ring gear (71) intermeshing.
5. The gas production wellhead dosing device of claim 4, wherein: Last rabbling mechanism (7) still includes cylinder (76) that set up in sun gear (73) are kept away from spliced pole (72) one side, the surface that cylinder (76) are located baffle (6) upper end sets up stirring board (77), support (74) one end is kept away from to star gear (75) is provided with branch (78), branch (78) surface is provided with first puddler (79) of crisscross distribution, stirring board (77) and cylinder (76) fixed connection, first puddler (79) and branch (78) fixed connection, branch (78) and star gear (75) fixed connection of looks adaptation.
6. The gas recovery wellhead dosing device of claim 5, wherein: the upper surface of the partition plate (6) is provided with an annular groove (61) matched with the supporting rod (78), and the annular groove (61) is rotationally connected with the supporting rod (78).
7. The gas production wellhead dosing device of claim 2, wherein: Lower rabbling mechanism (8) are including running through baffle (6) and extend to initiative bevel gear (81) of material jar (1) below cylinder (76) bottom, with initiative bevel gear (81) intermeshing's passive bevel gear (83), passive bevel gear (83) keep away from initiative bevel gear (81) one side and are provided with bull stick (82), the surface of bull stick (82) is provided with evenly distributed's second puddler (84), second puddler (84) and bull stick (82) fixed connection, bull stick (82) and initiative bevel gear (81) fixed connection.
8. The gas recovery wellhead dosing device of claim 5, wherein: a gap is reserved between one end, far away from the supporting rod (78), of the first stirring rod (79) and the stirring plate (77), and a gap is reserved between one end, far away from the supporting rod (78), of the first stirring rod (79) and the inner side surface of the charging bucket (1).
9. The gas production wellhead dosing device of claim 7, wherein: a gap is reserved between one end of the second stirring rod (84) far away from the rotating rod (82) and the bottom of the partition plate (6), and a gap is reserved between one end of the second stirring rod (84) far away from the rotating rod (82) and the top of the blanking circular plate.
10. A method for treating a gas production wellhead by dosing, characterized in that the gas production wellhead dosing device according to any one of claims 1-9 comprises the following steps: The charging bucket (1), the support column (2), the power piece (3), the feed chute (4), the discharging pipe (5) and the partition board (6) are connected in sequence, and the power piece (3) is started; when the stirring device works, medicines and materials enter the charging bucket (1) from the feeding chute (4), and the medicines and materials are stirred in the charging bucket (1) by the upper stirring mechanism (7) and the lower stirring mechanism (8); the stirred material flows out from the discharging pipe (5).

Description

Chemical feeding device for gas production wellhead and treatment method Technical Field The invention belongs to the technical field of wellhead dosing, and relates to a gas production wellhead dosing device and a treatment method. Background The chemical adding device for oil field is mainly used for injecting methanol and corrosion inhibitor into wellhead and other systems on platform in petroleum exploitation, the design pressure of the system is 25.000MPa after single well throttling, so as to facilitate later gas production, and flocculant, scale inhibitor and the like are added to ensure the full mixing of chemical and materials after chemical adding. The patent application of China patent application number 202121646478.3 discloses a gas production wellhead dosing device, which comprises a drug tank, wherein the middle part of the upper side of the drug tank is fixedly connected with a U-shaped support frame, the upper side of the U-shaped support frame is fixedly connected with a motor, an output shaft of the motor is fixedly connected with one end of a crankshaft, the other end of the crankshaft is fixedly connected with the upper end of a round shaft rod, the round shaft rod is movably connected with the center of the upper side of the drug tank, the lower end of the round shaft rod is fixedly connected with the upper end of a square cylinder, a square rod is arranged in the square cylinder, the lower end of the square rod is fixedly connected with the upper end part of a stirring shaft rod, and the side surface of the lower part of the stirring shaft rod is fixedly connected with a group of uniformly arranged stirring rods. The device can realize puddler reciprocating motion from top to bottom in the pivoted, realizes that the puddler mixes the medicine rapid mixing in the medicine jar, opens the drain valve after the medicine mixes, adds the medicine that needs to the well head inside, but the range of reciprocating is limited in the rotation, leads to upper end and bottom's mixed effect poor, wholly still has the misce bene. Disclosure of Invention Aiming at the defects existing in the prior art, the invention aims to provide a gas production wellhead dosing device and a treatment method, wherein a charging tank is divided into an upper layer and a lower layer through a partition plate, an upper stirring mechanism is arranged at the upper end of the partition plate, a lower stirring mechanism is arranged at the lower end of the partition plate, the upper stirring mechanism and the lower stirring mechanism are synchronously stirred in the charging tank, the charging tank is ensured to carry out omnibearing mixing and stirring, the sufficiency of mixing of a medicament and materials is ensured as a whole, and the technical problems of limited rotation range, poor mixing effect and uneven mixing in the prior art are solved. In order to achieve the above purpose, the present invention adopts the following technical scheme: The invention provides a gas production wellhead dosing device which comprises a charging bucket, wherein a supporting column is arranged at the bottom of the charging bucket, a power piece is arranged at the top of the charging bucket, the supporting column and the power piece are fixedly connected with the charging bucket, a feeding groove communicated with the charging bucket is arranged at the top end of the side wall of the charging bucket, a discharging pipe of a passband valve connected with the charging bucket is arranged at the bottom end of the side wall of the charging bucket, a hollowed-out type partition plate is arranged in the charging bucket, an upper stirring mechanism is arranged at one end of the partition plate, a lower stirring mechanism is arranged at the other end of the partition plate, the upper stirring mechanism and the lower stirring mechanism are fixedly connected with the partition plate, and the partition plate is fixedly connected with the charging bucket. Further, the stirring device also comprises a rotating shaft, wherein the rotating shaft is arranged on one side, far away from the lower stirring mechanism, of the upper stirring mechanism, and the rotating shaft is fixedly connected with the output end of the power piece. Further, the blanking plate is fixedly connected to the inner bottom wall of the charging bucket, and the blanking plate is inclined downwards towards one side of the discharging pipe. Further, go up rabbling mechanism include with the ring gear of charging bucket roof fixed connection, be provided with the sun gear in the ring gear, sun gear keeps away from discharging pipe one side and is provided with the spliced pole, spliced pole one end and pivot fixed connection, the other end and sun gear fixed connection, the spliced pole lateral wall is provided with two at least supports, the support is kept away from spliced pole one end fixed connection star gear, sun gear, star gear, ring gear intermeshing. Further, go up rabbli