CN210509579U

CN210509579U - Automatic intelligent remote pressurizing mixed transportation system

Info

Publication number: CN210509579U
Application number: CN201921381585.0U
Authority: CN
Inventors: 张冠宇; 杨雪松; 黄文瀚
Original assignee: Tianjin Junyu Technology Co ltd
Current assignee: Tianjin Junyu Technology Co ltd
Priority date: 2019-08-23
Filing date: 2019-08-23
Publication date: 2020-05-12
Anticipated expiration: 2029-08-23

Abstract

The utility model discloses an automatic change long-range pressure boost of intelligence and thoughtlessly transport system, including oil pipeline, oil pipeline's import and export are established at the pump house side wall and are extended to the wall body outside, oil pipeline is close to import one side and is equipped with the filter, be equipped with first gate valve along oil pipeline export direction behind the filter, be equipped with the relief valve along oil pipeline export direction behind the first gate valve, the relief valve links to each other with double screw oil gas thoughtlessly transport pump, double screw oil gas thoughtlessly transport pump links to each other with the motor through extension diaphragm shaft coupling, double screw oil gas thoughtlessly transport pump links to each other with the thin oil station, oil pipeline is close to export one side and is equipped with the stop valve, the stop valve is close to double screw oil gas thoughtlessly transport. The beneficial effects of the utility model are that, through the remote protection of defeated pump system thoughtlessly, be fit for safe steady exploitation transport crude oil under the environment of various remote unmanned on duty area, various dislike.

Description

Automatic intelligent remote pressurizing mixed transportation system

Technical Field

The utility model relates to a crude oil transportation field, especially an automatic change long-range pressure boost of intelligence and mix defeated system.

Background

Applications in harsh production environments, such as tropical deserts, tropical rain forests; extremely cold places, such as polar fields, siberian, iceland, etc. In the extremely harsh natural environment mentioned above, the traditional mining process and flow are adopted, or the production cost and the operation cost are extremely high, which seriously affects the profit of a production enterprise and affects the enthusiasm of mining or cannot be produced by the traditional mining process. Reservoirs that cannot be predicted are subject to large investments in production equipment and large infrastructure if conventional mining techniques are used. New oil field deposits are often located in remote areas where the environment is harsh. It follows that the pressure and flow requirements for water injection and multiphase pressurization applications are increasing, plus at the absences of human smoke, all of these prerequisites make pump reliability critical.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem, an automatic change long-range pressure boost and mix defeated system has been designed.

Realize above-mentioned purpose the technical scheme of the utility model be, an automatic change long-range pressure boost and thoughtlessly transport system of intelligence, including oil pipeline, oil pipeline's import and export are established outside pump house side wall and extend to the wall, oil pipeline is close to import one side and is equipped with the filter, be equipped with first gate valve along the pipeline export direction behind the filter, be equipped with the relief valve along the pipeline export direction behind the first gate valve, the relief valve links to each other with double screw oil gas thoughtlessly transport pump, double screw oil gas thoughtlessly transport pump links to each other with the motor through extension diaphragm shaft coupling, oil pipeline is close to export one side and is equipped with the stop valve, the front end of stop valve is equipped with the second gate valve, double screw oil gas thoughtlessly transport pump links.

The oil pipelines are connected by flanges.

The double-screw oil-gas mixed transportation pump comprises a pump body, a screw assembly, a mechanical seal and a bushing, wherein the pump body is provided with a mixed transportation pump inlet and a mixed transportation pump outlet, and the mixed transportation pump inlet is positioned on one side of the pump body.

The screw assembly comprises a driving shaft, a driven shaft and a spiral sleeve, wherein mechanical seals are respectively sleeved at two ends of the driving shaft and the driven shaft, and the spiral sleeve is sleeved at the middle parts of the driving shaft and the driven shaft.

The bushing is arranged in the pump body and is wrapped outside the spiral sleeve.

The inlet of the mixing and conveying pump is directly communicated with the middle parts of the lining and the screw assembly, and the outlet of the mixing and conveying pump is communicated with the two ends of the lining and the screw assembly.

The thin oil station comprises an upper part and a lower part, wherein the upper half part is a station box, the lower half part is an oil tank, the station box is connected with the oil tank through a pipeline, an oil path block and a double-screw pump are installed on the station box, an overflow valve, a back pressure valve and a one-way valve are installed on the oil path block, the oil path block is connected with the double-screw pump through a pipeline, and the number of the back pressure valves is two.

The check valve pass through the pipeline with the oil tank is connected, install the oil pump on the pipeline that check valve and oil tank are connected in proper order. An inlet filter.

A plurality of explosion-proof temperature control type electric heaters are arranged in the pump room.

The motor is an explosion-proof motor, an internal combustion engine, a fuel engine or a diesel engine.

Utilize the utility model discloses an automatic change long-range pressure boost control system of intelligence of technical scheme preparation, through the remote protection of defeated pump system thoughtlessly, be fit for safe and stable's exploitation under the environment of various remote unmanned on duty area, various dislike and carry crude oil. The benefit is increased, the multiphase pump system provides a smaller overall size, saves space, and can operate in a harsh environment. And the building construction method only needs to arrive at the site after prying, so that the cost of early-stage infrastructure construction is reduced, and the construction period is greatly shortened. The reduction of operation and maintenance work and the reduction of manpower improve the operation reliability. Less storage conditions, no supply interruption, stable oil transportation and maximum benefit improvement.

Drawings

Fig. 1 is a schematic structural diagram of an automated intelligent remote supercharging mixed transportation system according to the present invention;

fig. 2 is a schematic structural view of a twin-screw oil-gas mixed transportation pump of the automatic intelligent remote supercharging mixed transportation system of the present invention;

fig. 3 is a schematic structural diagram of a thin oil station of the automated intelligent remote supercharging mixed transportation system according to the present invention;

fig. 4 is the utility model discloses a schematic diagram of a thin oil station of automatic long-range pressure boost defeated system thoughtlessly.

In the figure, 1, an oil pipeline; 2. an inlet; 3. an outlet; 4. a pump house; 5. a filter; 6. a first gate valve; 7. a safety valve; 8. a double-screw oil-gas mixed transportation pump; 9. lengthening the diaphragm coupling; 10. a motor; 11. a stop valve; 12. a second gate valve; 13. a flange; 14. a pump body; 15. a screw assembly; 16. mechanical sealing; 17. a bushing; 18. an inlet of the mixing and conveying pump; 19. an outlet of the mixing and conveying pump; 20. a drive shaft; 21. a driven shaft; 22. a spiral sleeve; 23. a station box; 24. an oil tank; 25. an oil circuit block; 26. a twin-screw pump; 27. an overflow valve; 28. a back pressure valve; 29. a one-way valve; 30. an oil pump; 31. an inlet filter; 32. an explosion-proof temperature-controlled electric heater; 33. a thin oil station.

Detailed Description

It is right below combining the attached drawing the utility model discloses it is specific to describe the utility model discloses, as shown in fig. 1, an automatic change long-range pressure boost defeated system that mixes, including oil pipeline 1, oil pipeline 1's import 2 and export 3 are established outside 4 side walls of pump house and extend to the wall, oil pipeline 1 is close to import 2 one side and is equipped with filter 5, 3 directions along the pipeline export are equipped with first gate valve 6 behind

filter

5, 6 back edge pipeline exports 3 directions behind the first gate valve and is equipped with relief valve 7, relief valve 7 links to each other with double screw oil gas defeated pump 8, double screw oil gas defeated pump 8 links to each other with motor 10 through extension diaphragm coupling 9, oil pipeline is close to 3 one sides of export and is equipped with stop valve 11, stop valve 11's front end is equipped with second gate valve 12, double screw oil gas defeated pump 8 links to each other with thin. The oil pipelines 1 are all connected by flanges 13. In the embodiment, a computer to be controlled is connected by means of dialing in different places through a computer network or connecting both parties into the internet and the like by a manager in different places, so that a motor device is started, a motor drives a double-screw pump to start working, the double-screw pump pumps an inlet outside a fluid pump room into a pipeline, fluid firstly passes through a filter in the process of flowing of the pipeline, when flowing through the filter, a medium with filtering enters from a water gap, flows through a filter screen, the filtered medium enters a first gate valve of the pipeline through an outlet, a valve plate of the gate valve linearly moves along with a valve rod, a trapezoidal thread is arranged on a lifting rod, the rotary motion is changed into the linear motion through a nut at the top end of the valve and a guide groove on a valve body, when the valve is opened, when the lifting height of the valve is equal to 1:1 time of the through-path of the valve, the fluid is completely unblocked, the medium flows to a safety valve, the medium pressure in the pipe is prevented from exceeding a prescribed value by discharging the medium to the outside of the system. When the medium does not exceed the specified value, the medium enters the double-screw pump, and the screw components convey the medium from the middle to two ends to the outlet of the pump body, so that multiphase fluid conveying is realized. The conveyed fluid enters the second gate valve, finally flows through the stop valve to adjust the flow and is discharged from an outlet outside the pump room.

As shown in fig. 2, the twin-screw oil-gas mixture pump 8 comprises a pump body 14, a screw assembly 15, a mechanical seal 16 and a bushing 17, wherein the pump body 14 is provided with a mixture pump inlet 18 and a mixture pump outlet 19, and the mixture pump inlet 18 is positioned on one side of the pump body 14. Screw rod subassembly 15 includes driving shaft 20, driven shaft 21, spiral shell 22, the both ends of driving shaft 20 and driven shaft 21 are equallyd divide and are equipped with mechanical seal 16 respectively, the middle part cover of driving shaft 20 and driven shaft 21 is equipped with spiral shell 22. The liner 17 is disposed inside the pump body 14 and is wrapped around the outside of the screw sleeve 22. The mixing and transportation pump inlet 18 is directly communicated with the middle parts of the lining 17 and the screw assembly 15, and the mixing and transportation pump outlet 19 is communicated with the two ends of the lining 17 and the screw assembly 15. In this embodiment, double-screw oil-gas multiphase pump simple structure need not parts such as honeycomb duct and the nozzle of pump body internally mounted complicacy, has reduced the maintenance degree of difficulty and the manufacturing cost of pump: the inlet is directly communicated with the two ends of the bushing and the spiral sleeve, after the multiphase flow medium enters the pump body, the screw assembly conveys the medium from the middle to the two ends to the outlet of the pump body to form a conveying mode of 'middle inlet and two ends outlet', so that the mechanical sealing system is always in an immersed lubrication state, and the reliability of the double-screw pump under the condition of high gas-containing ratio is greatly improved. The pump body has the capability of resisting dry rotation for a long time: the outlet of the pump body is positioned at the upper part of the pump body or one side of the pump body, and the bushing and the pump body can adopt an eccentric structure form or a concentric structure form, so that the structure forms are various; the pump body is suitable for pump bodies of any shapes, and the application range is wide. In the actual working process, the screw assembly conveys multiphase flow media to the outlet of the pump body from the middle to two ends, so that the conveying process of the multiphase fluid is realized: multiphase fluid gets into the pump body by the pump body side after, liquid medium can fill inside the pump body, treat that the inside back of filling of pump body is slow, discharge the pump body outside by the export again, when letting the entry end air content be 100%, because gaseous lighter, the medium is said that when screw rod assembly both ends, can directly rise to the exit of the pump body, this process also can make partial liquid medium in the pump body be carried outside the pump body, nevertheless after reaching the certain degree, because the action of gravity liquid medium can persist in pump body bottom, and then make the sealing system of the pump body be in the state of immersing the lubrication all the time.

As shown in fig. 3 and 4, the thin oil station 33 includes an upper part and a lower part, the upper part is a station tank 23, the lower part is an oil tank 24, the station tank 23 is connected with the oil tank 24 through a pipeline, an oil path block 25 and a twin-screw pump 26 are installed on the station tank 23, an overflow valve 27, a back pressure valve 28 and a check valve 29 are installed on the oil path block 25, the oil path block 25 is connected with the twin-screw pump 26 through a pipeline, and the number of the back pressure valves 28 is two. The check valve 29 is connected with the oil tank 24 through a pipeline, and an oil pump 30 and an inlet filter 31 are sequentially installed on the pipeline connecting the check valve 29 and the oil tank 24. A plurality of explosion-proof temperature control type electric heaters 32 are arranged in the pump room 4. The motor 10 is an explosion-proof motor, an internal combustion engine, a fuel engine or a diesel engine. In this embodiment, the thin oil station simple structure need not parts such as honeycomb duct and the nozzle of pump body internally mounted complicacy, has reduced the maintenance degree of difficulty and the manufacturing cost of pump: the outlet is directly communicated with the mechanical sealing equipment, the clear outlet of the working medium of the thin oil station enters the mechanical sealing system, the mechanical sealing system is flushed and then returns to the thin oil station again through the inlet of the thin oil station, and therefore a circulating system is achieved. The sealing system is suitable for various mechanical sealing systems with external flushing and has wide application range. In the actual working process, the oil pump is started, flushing liquid is pumped out of the oil tank by the oil pump through the inlet filter, flows through the mechanical seal in the sealing cavity of the double-screw pump through the one-way valve according to a series loop, and finally returns to the oil tank through the back pressure valve for reciprocating circulation, so that the lubricating and cooling effects on the mechanical seal are realized. The relief valve is a relief valve of the thin oil station and is used for setting the total pressure of the system, and the pressure is also the highest pressure allowed in the mechanical seal cavity. When the pressure at the outlet of the oil pump exceeds the pressure, the overflow valve is opened to unload, and the system and the mechanical seal cavity are protected.

Above-mentioned technical scheme has only embodied the utility model discloses technical scheme's preferred technical scheme, some changes that this technical field's technical personnel probably made to some parts wherein have all embodied the utility model discloses a principle belongs to within the protection scope of the utility model.

Claims

1. The automatic intelligent remote pressurization mixed transportation system comprises an oil transportation pipeline (1) and is characterized in that an inlet (2) and an outlet (3) of the oil transportation pipeline (1) are arranged on the side wall of a pump room (4) and extend out of the wall, a filter (5) is arranged on one side, close to the inlet (2), of the oil transportation pipeline (1), a first gate valve (6) is arranged behind the filter (5) along the direction of the pipeline outlet (3), a safety valve (7) is arranged behind the first gate valve (6) along the direction of the pipeline outlet (3), the safety valve (7) is connected with a double-screw oil-gas mixed transportation pump (8), the double-screw oil-gas mixed transportation pump (8) is connected with a motor (10) through a lengthened diaphragm coupling (9), a stop valve (11) is arranged on one side, close to the outlet (3), and a second gate valve (12) is arranged at the front end of the stop valve (, the double-screw oil-gas mixed transportation pump (8) is connected with the thin oil station (33).

2. The automatic intelligent remote pressurization mixed transportation system according to claim 1, wherein the oil transportation pipelines (1) are connected by flanges (13).

3. The automatic intelligent remote pressurization mixed transportation system according to claim 1, wherein the double-screw oil-gas mixed transportation pump (8) comprises a pump body (14), a screw assembly (15), a mechanical seal (16) and a bushing (17), the pump body (14) is provided with a mixed transportation pump inlet (18) and a mixed transportation pump outlet (19), and the mixed transportation pump inlet (18) is located on one side of the pump body (14).

4. The automatic intelligent remote pressurizing mixing transportation system according to claim 3, wherein the screw assembly (15) comprises a driving shaft (20), a driven shaft (21) and a spiral sleeve (22), the two ends of the driving shaft (20) and the driven shaft (21) are respectively sleeved with a mechanical seal (16), and the middle parts of the driving shaft (20) and the driven shaft (21) are sleeved with the spiral sleeve (22).

5. An automated intelligent remote pressurized multiphase system according to claim 3, wherein the bushing (17) is arranged inside the pump body (14) and wrapped outside the screw sleeve (22).

6. The automatic intelligent remote pressurization mixing transportation system according to claim 3, wherein the mixing transportation pump inlet (18) is directly communicated with the middle of the bushing (17) and the screw assembly (15), and the mixing transportation pump outlet (19) is communicated with the two ends of the bushing (17) and the screw assembly (15).

7. The automatic intelligent remote pressurization mixed transportation system according to claim 1, wherein the thin oil station (33) comprises an upper part and a lower part, the upper part is a station box (23), the lower part is an oil tank (24), the station box (23) is connected with the oil tank (24) through a pipeline, an oil path block (25) and a double-screw pump (26) are installed on the station box (23), an overflow valve (27), a back pressure valve (28) and a check valve (29) are installed on the oil path block (25), the oil path block (25) is connected with the double-screw pump (26) through a pipeline, and the number of the back pressure valves (28) is two.

8. The automatic intelligent remote pressurization mixing transportation system according to claim 7, wherein the check valve (29) is connected with the oil tank (24) through a pipeline, and an oil pump (30) and an inlet filter (31) are sequentially installed on the pipeline connecting the check valve (29) and the oil tank (24).

9. The automatic intelligent remote pressurization mixed transportation system according to claim 1, wherein a plurality of explosion-proof temperature control type electric heaters (32) are arranged in the pump room (4).

10. The automatic intelligent remote supercharging and mixing transportation system according to claim 1, wherein the motor (10) is an explosion-proof motor, an internal combustion engine, a fuel engine or a diesel engine.