CN-122015004-A - Hydraulic modularized gas-liquid mixed transportation supercharging device

CN122015004ACN 122015004 ACN122015004 ACN 122015004ACN-122015004-A

Abstract

The invention belongs to the technical field of oil-gas mixing and transportation, and particularly relates to a hydraulic modularized gas-liquid mixing and transportation supercharging device. The hydraulic cylinder is characterized by comprising an installation underframe, wherein a plurality of hydraulic cylinders are fixedly connected to the installation underframe, driving parts are connected in the hydraulic cylinders in a sealing sliding manner, the driving parts divide the hydraulic cylinders into two groups of working cavities and two driving cavities, an injection opening and a liquid draining port are arranged in the hydraulic cylinders, symmetrically distributed connecting side plates are fixedly connected to the working cavities of the hydraulic cylinders, and filter plates are fixedly connected to the connecting side plates together. According to the invention, the filter plate and the two adjacent connecting side plates are used for temporarily filtering and storing the muddy sand rushing into the working cavity, so that the muddy sand content of oil flowing in the working cavity is reduced, the abrasion of the muddy sand on the inner wall of the working cavity is reduced, the requirement degree of the hydraulic cylinder on high-wear-resistance materials is further reduced, and the production cost of the device is reduced while the influence of the muddy sand on the inner wall of the working cavity is reduced.

Inventors

HE DONGLI
ZHANG WEIWEI
SHI SHAOSHUAI
ZHANG LIGANG
ZHANG XIAOYAN
WANG YING
LI JIACHENG
WANG YUTONG
KANG YONGJIANG
LI KANG
HAN LEI

Assignees

胜利油田东强机电设备制造有限公司

Dates

Publication Date: 20260512
Application Date: 20260408

Claims (10)

1. The hydraulic modularized gas-liquid mixed transportation supercharging device comprises a mounting underframe (1), wherein a plurality of hydraulic cylinders (2) are fixedly connected to the mounting underframe (1), driving parts (3) are connected to one side, close to the corresponding injection openings (301), of the hydraulic cylinders (2) in a sealing sliding manner, the driving parts (3) divide the interior of the hydraulic cylinders (2) into two groups of working cavities and two driving cavities, each group of the hydraulic cylinders (2) is provided with a plurality of working cavities, injection openings (301) and liquid draining ports (302) which are consistent in number and correspond to the working cavities one by one are arranged in the hydraulic cylinders (2), the hydraulic cylinders are characterized in that connecting side plates (4) which are symmetrically distributed are fixedly connected to one side, which are close to the corresponding injection openings (301), of the connecting side plates (4) are fixedly connected with filter plates (5) in a common mode, guide filter members (51) which are obliquely arranged are fixedly connected to the injection openings (301), filter plates (5) in the working cavities on the hydraulic cylinders (2) which are penetrated by the driving parts (3) are fixedly connected with guide filter plates (5), sealing rings (521) are connected to the connecting parts (521) which are fixedly connected to the sealing rings (521) in a sealing manner, an opening and closing component for blocking or discharging the intercepted silt according to an oil inlet state and an oil discharge state is arranged in the working cavity of the hydraulic cylinder (2).
2. The hydraulic modularized gas-liquid mixing and pressurizing device according to claim 1, wherein the opening and closing component comprises a rotary plate door (6), the rotary plate door (6) is rotatably connected to one side, close to the liquid outlet (302), in the corresponding working cavity in the hydraulic cylinder (2), of the filter plate (5) which is close to one side, corresponding to the injection opening (301), of the filter plate (5) is rotatably connected with a driving plate door (7), the driving plate door (7) is located on an extension line corresponding to the axis of the injection opening (301), a connecting steel wire (71) is fixedly connected between the driving plate door (7) and the corresponding rotary plate door (6), the filter plate (5) is guided by a sliding ring to move through the connecting steel wire (71), a sealing plate (72), a first sealing piece (73) and a second sealing piece (74) are fixedly connected to the filter plate (5), the sealing plate (72) is in sealing contact with the corresponding driving plate door (7), and the first sealing piece (73) and the second sealing piece (74) are both elastic materials and fixedly connected with the corresponding driving plate door (7).
3. The hydraulic modularized gas-liquid mixing and pressurizing device according to claim 2, wherein the connecting side plates (4) are made of flexible materials, the filter plates (5) are located on the moving path of the driving piece (3), and gaps exist between the filter plates (5) and the inner walls of the working cavities corresponding to the hydraulic cylinders (2).
4. The hydraulic modularized gas-liquid mixing and pressurizing device according to claim 3, wherein the filter plates (5) are fixedly connected with elastic plates (53) which are distributed at intervals and are close to the adjacent connecting side plates (4), the elastic plates (53) are used for ejecting the adjacent connecting side plates (4) to the outer sides of the filter plates (5), and the elastic plates (53) are fixedly connected with the adjacent connecting side plates (4).
5. The hydraulic modularized gas-liquid mixing and pressurizing device according to claim 4, wherein guide strakes (54) are fixedly connected to the upper side of the filter plate (5) at positions which are not contacted with the connecting side plates (4) and are used for preventing mud and sand from moving to the outer sides of the corresponding filter plates (5).
6. The hydraulic modularized gas-liquid mixing and pressurizing device according to claim 5, wherein an included angle between the filter plate (5) and an axial tangential plane of the hydraulic cylinder (2) is more than 10 degrees and less than 30 degrees, and the filter plate is inclined from top to bottom from one side far away from the corresponding liquid outlet (302) to one side close to the corresponding liquid outlet (302).
7. The hydraulic modularized gas-liquid mixed transportation pressurizing device as claimed in claim 6, further comprising auxiliary discharging mechanisms which are in same number and in one-to-one correspondence with the filter plates (5), wherein the auxiliary discharging mechanisms are arranged on the filter plates (5) and are used for actively discharging the muddy sand blocked by the filter plates (5) to the corresponding liquid discharging port (302), the auxiliary discharging mechanisms comprise rolling shafts (8), the rolling shafts (8) are rotationally connected to one side, far away from the adjacent and symmetrically distributed connecting side plates (4), of the corresponding filter plates (5), which is close to the rotating plate door (6), are rotationally connected with first guide shafts (81), one side, close to the rolling shafts (8), of the filter plates (5), is rotationally connected with second guide shafts (82), flexible strips (9) are jointly wound around the corresponding liquid discharging port (302), corresponding to the rolling shafts (8), the flexible strips (9) are rotationally connected with first guide shafts (81), corresponding to the flexible strips (9) are rotationally connected with the corresponding driving strips (10), a guide component for guiding oil to the driving fan blade (10) is arranged in the working cavity of the hydraulic cylinder (2).
8. The hydraulic modularized gas-liquid mixed transportation supercharging device of claim 7, wherein the guiding component comprises a fixed guiding plate (11), the fixed guiding plate (11) is fixedly connected to one side, far away from the adjacent and symmetrically distributed, of the connecting side plate (4), a multistage elastic telescopic rod (12) is fixedly connected to a working cavity in the hydraulic cylinder (2) close to a position corresponding to the liquid outlet (302), a fixing plate (13) is fixedly connected to a telescopic end of the multistage elastic telescopic rod (12), a flexible connecting piece (14) is fixedly connected between the fixing plate (13) and the corresponding fixed guiding plate (11), and the fixed guiding plate (11), the fixing plate (13) and the flexible connecting piece (14) are all located on a moving path of the driving piece (3).
9. The hydraulic modularized gas-liquid mixing and pressurizing device according to claim 8, wherein a notch is formed in the middle of one side of the fixed guide plate (11) close to the injection port (301) and used for guiding oil to flow to the middle of the fixed guide plate (11).
10. The hydraulic modularized gas-liquid mixed transportation pressurizing device according to claim 8, wherein an accommodating groove (151) is formed in one side, close to the injection opening (301) and the liquid outlet (302), of the working cavity of the hydraulic cylinder (2), a flexible skin (15) is fixedly connected to the hydraulic cylinder (2) at the accommodating groove (151), a second sliding ring (152) is fixedly connected to the flexible skin (15) of the working cavity of the hydraulic cylinder (2) penetrated by the driving piece (3), and the second sliding ring (152) is in sealing sliding connection with the driving piece (3).

Description

Hydraulic modularized gas-liquid mixed transportation supercharging device Technical Field The invention belongs to the technical field of oil-gas mixing and transportation, and particularly relates to a hydraulic modularized gas-liquid mixing and transportation supercharging device. Background The hydraulic gas-liquid mixed transportation pressurizing device is characterized by high wear resistance, high output pressure, large volume and suitability for conveying high-gas-content sand-containing crude oil compared with common pressurizing devices such as screw pumps, compressors and centrifugal pumps, and is matched with a liquid inlet system, a liquid discharge system and a one-way valve group to enable the volume of a working cavity to be continuously changed through hydraulically driving an inner piston of the hydraulic gas-liquid mixed transportation pressurizing device to reciprocate in the working cavity, so that the action of repeatedly sucking and discharging crude oil is realized, but because components and contents of each component of crude oil are continuously changed in the process of exploiting crude oil in an oil field (namely, the contents of natural gas, oil, sewage and sand are continuously changed along with the exploitation progress), particularly the high-sand-content crude oil can cause severe wear on the inner wall of the working cavity, the design of the hydraulic gas-liquid mixed transportation pressurizing device is always required according to the most working condition requirements, and the design strategy enables the manufacturing cost of the hydraulic gas-liquid mixed transportation pressurizing device to be exponentially increased along with the material performance, more critical is that the sand content in different oil wells are dynamically changed along with the exploitation performance of the material performance, the dynamic sand content in different oil wells in different stages (namely, the sand content in different oil wells and the sand content in different stages are not required to have the actual wear-resistant performance, and the actual performance is different, and the abrasion performance is different from the actual condition conditions, and the problem is different in that the actual performance has the problem is different and different in the abrasion performance. Disclosure of Invention In order to overcome the defects that the device performance is not matched with actual production requirements and significant production cost is wasted in the conventional device, the invention provides a hydraulic modularized gas-liquid mixed transportation supercharging device. The hydraulic modularized gas-liquid mixed transportation supercharging device comprises a mounting underframe, wherein a plurality of hydraulic cylinders are fixedly connected to the mounting underframe, driving parts are connected in the hydraulic cylinders in a sealing sliding mode, the driving parts divide the hydraulic cylinders into two groups of working cavities and two driving cavities, each group of the hydraulic cylinders is provided with a plurality of working cavities, filling ports and liquid discharge ports which are consistent in number and correspond to the working cavities one by one are arranged in the hydraulic cylinders, symmetrically distributed connecting side plates are fixedly connected to one side of each working cavity of each hydraulic cylinder, symmetrically distributed connecting side plates are fixedly connected with filter plates, guide filter parts which are obliquely arranged are fixedly connected to the filling ports, first sliding rings which are in sealing sliding connection with the driving parts are fixedly connected to the filter plates in the working cavities on the hydraulic cylinders, and opening and closing parts for opening and closing or blocking sand and sand according to an oil inlet state and an oil discharge state or blocking part for discharging mud are arranged in the working cavities of the hydraulic cylinders. Further, the opening and closing component comprises a rotating plate door, the rotating plate door is rotationally connected to one side, which corresponds to the working cavity and is close to the liquid outlet, in the hydraulic cylinder, one side, which corresponds to the injection port, of the filter plate is rotationally connected with a driving plate door, the driving plate door is located on an extension line corresponding to the axis of the injection port, a connecting steel wire is fixedly connected between the driving plate door and the corresponding rotating plate door, the filter plate is guided by a slip ring to move through the connecting steel wire, a sealing plate, a first sealing piece and a second sealing piece are fixedly connected to the filter plate, the sealing plate is in sealing contact with the corresponding driving plate door, and the first sealing piece and the second sealing piece are made of elastic material