CN215333273U - Modular oil-gas mixed transportation piston pump - Google Patents
Modular oil-gas mixed transportation piston pump Download PDFInfo
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- CN215333273U CN215333273U CN202120376978.3U CN202120376978U CN215333273U CN 215333273 U CN215333273 U CN 215333273U CN 202120376978 U CN202120376978 U CN 202120376978U CN 215333273 U CN215333273 U CN 215333273U
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Abstract
The utility model discloses a modularized oil-gas mixed transportation piston pump, which mainly relates to the technical field of piston pumps and comprises a power part, a transmission part, a piston cylinder part, a pipeline assembly, a first pump body part and a second pump body part, wherein the power part is connected with the transmission part, the transmission part is connected with the piston cylinder part, and the first pump body part and the second pump body part are connected with the piston cylinder part in parallel through the pipeline assembly. The utility model replaces a screw pump in the process of extracting and conveying the crude oil and natural gas mixed medium to the gathering and transportation station, and has stable and reliable work and low operation and maintenance cost; the pressure-reducing oil pumping unit is connected to the outlet of the oil pumping unit, so that the pressure at the outlet of the oil pumping unit can be reduced to about 0.5MPa, and the operation efficiency and the yield of the oil pumping unit are greatly improved.
Description
Technical Field
The utility model relates to a piston pump, in particular to a modularized oil-gas mixed transportation piston pump, and belongs to the field of piston pumps.
Background
The petroleum and petrochemical industry is the backbone industry of China, supports the development of national economy, and meanwhile, petroleum reserve is also the central importance of China. When oil is produced, the oil pumping unit pumps oil from the well bottom (crude oil and natural gas are simultaneously pumped) and directly conveys the oil to a gathering and transportation station. The pumping unit does work, crude oil and natural gas are pumped to the ground, the crude oil and the natural gas which are pumped are also transmitted to a gathering and transportation station which is several kilometers away, the outlet pressure of the pumping unit is about 1.5MPa-2MPa due to long-distance transmission, the energy loss is serious in the transmission process, and the pumping efficiency of the pumping unit is greatly reduced. With the development of the technology, a screw pump is added at the outlet of the pumping unit, crude oil and natural gas pumped by the pumping unit are conveyed to a gathering and transportation station through the screw pump, work of the pumping unit for conveying the crude oil and the natural gas to the gathering and transportation station is saved, the oil pumping efficiency of the pumping unit is improved, the yield is increased, the maintenance cost of the screw pump is extremely high, the screw needs to be replaced once a year, the processing and assembling requirements of the screw are high, and the replacement cost is basically equal to the cost of the whole screw pump.
The modularized oil-gas mixed transportation piston pump has stable and reliable research and development work and low operation and maintenance cost, replaces a screw pump, ensures the work efficiency, and has important significance for reducing the cost of crude oil and natural gas when being transported to a remote gathering and transportation station.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a modular oil-gas mixed transportation piston pump with a simple structure, and solves the problem that a screw pump in the prior art is high in operation and maintenance cost.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the pump comprises a power part, a transmission part, a piston cylinder part, a pipeline assembly, a first pump body part and a second pump body part, wherein the power part is connected with the transmission part, the transmission part is connected with the piston cylinder part, and the first pump body part and the second pump body part are connected with the piston cylinder part in parallel through the pipeline assembly.
In order to ensure the power performance, the power component comprises a motor and a speed reducer, the motor is connected with the speed reducer, and the speed reducer is connected with the transmission component.
In order to better convert the rotary motion of the motor into reciprocating linear motion, the transmission part comprises a crankshaft, a connecting rod, a crosshead pin, a crosshead, a connecting rod and a box body, the box body is connected with a cylinder body, the crankshaft is arranged in the box body, the crankshaft is connected with the connecting rod, the connecting rod is connected with the crosshead and is fixed by the crosshead pin, and an oil window is arranged on the box body.
For better realization oil-gas mixture is defeated, the piston cylinder part includes the back cylinder cap, the piston rod, the back cylinder body, the cylinder liner, the cylinder body, piston and preceding cylinder cap, the cylinder liner sets up in the cylinder body, be equipped with the piston in the cylinder liner, piston connection is in piston rod one end, the preceding cylinder cap is all connected to the one end of cylinder body and cylinder liner, back cylinder body one end is connected to the cylinder body other end, the back cylinder cap is connected to the back cylinder body other end, the piston rod other end is worn out back cylinder body and back cylinder cap and is connected the pole, can dismantle on the cylinder body and be provided with connector and cylinder body joint, connector and cylinder body joint correspond respectively and connect first pump body part and second pump body part.
In order to effectively form the modularization, first pump body part and second pump body part structure are the same, first pump body part includes the cylinder head top cap, the flowing back spring holder, the flowing back valve module, the cylinder head body, the feed liquor spring holder, feed liquor valve module and base, the setting can be dismantled at cylinder head body upper end to the cylinder head top cap, the flowing back spring holder, the flowing back valve module, feed liquor spring holder and feed liquor valve module from the top down set gradually at cylinder head internal portion, the setting can be dismantled at cylinder head body lower extreme to the base, cylinder head side wall sets up porosely, hole and connector are connected, cylinder head body upper portion is provided with the outage, and the outage is located flowing back valve module top, be provided with the feed liquor hole on the base, and feed liquor hole and outage are in same side.
In order to better utilize the first pump body component and the second pump body component, the first pump body component and the second pump body component are connected in parallel, the pipeline assembly comprises a liquid inlet pipeline and a liquid discharge pipeline, the liquid inlet pipeline is divided into a liquid inlet branch I and a liquid inlet branch II through a pipeline joint, the liquid discharge pipeline is divided into a liquid discharge branch I and a liquid discharge branch II through a pipeline joint, the liquid inlet branch I is connected with a liquid inlet hole of the first pump body component, the liquid inlet branch II is connected with a liquid inlet hole of the second pump body component, the liquid discharge branch I is connected with a liquid discharge hole of the first pump body component, and the liquid discharge branch II is connected with a liquid discharge hole of the second pump body component.
In order to ensure sealing, O-shaped sealing rings are arranged between the cylinder head body and the liquid inlet valve assembly, between the liquid discharge valve assembly and between the cylinder head and the cylinder head top cover.
In order to ensure sealing, an O-shaped sealing ring is arranged between the bottom surface of the liquid inlet valve component and the top surface of the base.
To reduce wear between the piston and the bore liner, the bore liner is a ceramic bore liner.
The utility model adopts the structure and has the following advantages:
1. the screw pump is replaced in the process of extracting and conveying the crude oil and natural gas mixed medium to the gathering and transportation station, the operation is stable and reliable, and the operation and maintenance cost is low;
2. the pressure of the outlet of the pumping unit can be reduced to about 0.5MPa by connecting the pressure reducing device with the outlet of the pumping unit, so that the operation efficiency and the yield of the pumping unit are greatly improved;
3. the pump is provided with a power component, a transmission component, a piston cylinder component, a pipeline assembly, a first pump body component and a second pump body component, wherein the first pump body component and the second pump body component are connected with the piston cylinder component in parallel through the pipeline assembly to form a modular combination, so that the yield can be greatly improved;
4. the cylinder body and the pump body of the piston cylinder can be manufactured by a professional manufacturer, so that the honing pipe is low in cost and short in period, and the professional and social production pattern is truly realized.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of a full cross-section of a piston cylinder component and a pump body component;
fig. 3 is a schematic full-section structure diagram of the transmission part.
In the figure, 1, a rear cylinder cover; 2. a piston rod; 3. a rear cylinder body; 4. a cylinder block joint; 5. a cylinder liner; 6. a cylinder body; 7. a piston; 8. a front cylinder cover; 9. a connector; 10. a cylinder head top cover; 11. a liquid discharge spring seat; 12. a drain hole; 13. a drain valve assembly; 14. an O-shaped sealing ring; 15. a cylinder head body; 16. a liquid inlet valve component; 17. a base; 18. a liquid inlet hole; 19. a crankshaft; 20. a connecting rod; 21. a crosshead pin; 22. a crosshead; 23. a connecting rod; 24. an oil window; 25. a box body; 26. a liquid inlet spring seat; 27. a piston cylinder component; 28. a first pump body component; 29. a liquid discharge outlet; 30. a liquid inlet; 31. a liquid inlet pipeline; 32. a drainage line; 33. a second pump body component; 34. a power component; 35. a transmission member; 311. a liquid inlet branch I; 312. a liquid inlet branch circuit II; 321. a liquid discharge branch I; 322. and a liquid discharge branch II.
Detailed Description
In order to clearly explain the technical features of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings.
As shown in fig. 1-3, the pump generally comprises a power unit 34, a transmission unit 35, a piston cylinder unit 27, a conduit assembly, a first pump body unit 28 and a second pump body unit 33, wherein the power unit 34 is connected with the transmission unit 35, the transmission unit 35 is connected with the piston cylinder unit 27, and the first pump body unit 28 and the second pump body unit 33 are connected with the piston cylinder unit 27 in parallel through the conduit assembly;
in order to ensure the power performance, the power component 34 comprises a motor and a speed reducer, the motor is connected with the speed reducer, and the speed reducer is connected with the transmission component 35;
in order to better convert the rotary motion of the motor into reciprocating linear motion, the transmission part 35 comprises a crankshaft 19, a connecting rod 20, a crosshead pin 21, a crosshead 22, a connecting rod 23 and a box body 25, the box body 25 is connected with the cylinder body 6, the crankshaft 19 is installed in the box body 25, the crankshaft 19 is connected with the connecting rod 20, the connecting rod 20 is connected with the crosshead 22 and is fixed by the crosshead pin 21, and an oil window 24 is installed on the box body 25;
in order to better realize oil-gas mixed transportation, the piston cylinder part 27 comprises a rear cylinder cover 1, a piston rod 2, a rear cylinder body 3, a cylinder sleeve 5, a cylinder body 6, a piston 7 and a front cylinder cover 8, wherein the cylinder sleeve 5 is installed in the cylinder body 6, in order to reduce abrasion between the piston 7 and the cylinder sleeve 5, the cylinder sleeve 5 is a ceramic cylinder sleeve, the piston 7 is installed in the cylinder sleeve 5, the piston 7 is connected to one end of the piston rod 2, one ends of the cylinder body 6 and the cylinder sleeve 5 are both connected with the front cylinder cover 8, the other end of the cylinder body 6 is connected with one end of the rear cylinder body 3, the other end of the rear cylinder body 3 is connected with the rear cylinder cover 1, the other end of the piston rod 2 penetrates through the rear cylinder body 3 and the rear cylinder cover 1 to be connected with a connecting rod 23, a connector 9 and a cylinder body connector 4 are detachably installed on the cylinder body 6, and the connector 9 and the cylinder body connector 4 are respectively and correspondingly connected with a first pump body part 28 and a second pump body part 33;
in order to effectively form modularization, the first pump body part 28 and the second pump body part 33 are identical in structure, the first pump body part 28 comprises a cylinder head top cover 10, a liquid discharge spring seat 11, a liquid discharge valve assembly 13, a cylinder head body 15, a liquid inlet spring seat 26, a liquid inlet valve assembly 16 and a base 17, the cylinder head top cover 10 is detachably mounted at the upper end of the cylinder head body 15, the liquid discharge spring seat 11, the liquid discharge valve assembly 13, the liquid inlet spring seat 26 and the liquid inlet valve assembly 16 are sequentially mounted inside the cylinder head body 15 from top to bottom, the base 17 is detachably mounted at the lower end of the cylinder head body 15, holes are formed in the side wall of the cylinder head body 15 and connected with a connector 9, a liquid discharge hole 12 is formed in the upper portion of the cylinder head body 15, the liquid discharge hole 12 is located above the liquid discharge valve assembly 13, a liquid inlet hole 18 is formed in the base 17, and the liquid inlet hole 18 and the liquid discharge hole 12 are located on the same side face;
in order to ensure sealing, O-shaped sealing rings 14 are respectively arranged between the cylinder head body 15 and the liquid inlet valve assembly 16, between the liquid outlet valve assembly 13 and between the cylinder head top cover 10, and the O-shaped sealing rings 14 are arranged between the bottom surface of the liquid inlet valve assembly 16 and the top surface of the base 17;
in order to better utilize the first pump body component 28 and the second pump body component 33 to form parallel connection, the pipeline assembly comprises a liquid inlet pipeline 31 and a liquid outlet pipeline 32, the liquid inlet pipeline 31 is branched into a first liquid inlet branch 311 and a second liquid inlet branch 312 through a pipeline joint, the liquid outlet pipeline 32 is branched into a first liquid outlet branch 321 and a second liquid outlet branch 322 through a pipeline joint, the first liquid inlet branch 311 is connected with the liquid inlet hole 18 of the first pump body component 28, the second liquid inlet branch 312 is connected with the liquid inlet hole 18 of the second pump body component 33, the first liquid outlet branch 321 is connected with the liquid outlet hole 12 of the first pump body component 28, and the second liquid outlet branch 322 is connected with the liquid outlet hole 12 of the second pump body component 33.
Example one
Starting the power component 34, driving the transmission component 35 to work, converting the rotation motion of the motor into reciprocating motion of the piston 7 in the piston cylinder component 27 through crankshaft transmission and driving, when the piston 7 is driven to move backwards, the space in front of the cylinder body 6 is increased to form negative pressure (the pressure is lower than the pressure of the liquid inlet 30), the liquid inlet valve component 16 in the first pump body component 28 is opened, the liquid outlet valve component 13 in the first pump body component 28 is closed at the moment, and the crude oil and natural gas mixed medium enters from the liquid inlet 30 and enters the internal space area of the cylinder body 6 through the liquid inlet hole 18 and the connector 9 along the liquid inlet branch 311; meanwhile, the space behind the piston 7 is compressed, the volume of the space is reduced, positive pressure is formed (the pressure is higher than the pressure of the liquid discharge outlet 29), the liquid discharge valve assembly 13 in the second pump body part 33 is opened, the liquid inlet valve assembly 16 in the second pump body part 33 is closed at the moment, and the crude oil and natural gas mixed medium is discharged from the liquid discharge outlet 29 along the liquid discharge branch circuit II 322 through the cylinder connector 4 and the liquid discharge hole 12; when the piston 7 moves to the rear limit stroke, the negative pressure in front of the piston 7 disappears, the intake valve assembly 16 in the first pump member 28 closes under the reaction force of the spring of the intake valve assembly 16, the internal volume behind the piston 7 does not change any more, the positive pressure disappears, and the discharge valve assembly 13 in the second pump member 33 closes under the action force of the spring of the discharge valve assembly 13.
Example two
The present embodiment is a process of performing a reverse operation based on the first embodiment.
When the piston 7 is driven to move forwards, the space behind the cylinder 6 is increased, the space in front of the piston 7 is reduced, positive pressure is formed (the pressure is higher than the pressure of the liquid discharge outlet 29), the liquid discharge valve assembly 13 in the first pump body part 28 is opened, the liquid inlet valve assembly 16 in the first pump body part 28 is closed at the moment, and the crude oil and natural gas mixed medium is discharged from the liquid discharge outlet 29 along the liquid discharge branch 321 through the connector 9 and the liquid discharge hole 12; meanwhile, the space behind the piston 7 is increased to form negative pressure (the pressure is lower than the pressure of the liquid inlet 30), the liquid inlet valve assembly 16 inside the second pump body component 33 is opened, the liquid outlet valve assembly 13 inside the second pump body component 33 is closed at the moment, the crude oil and natural gas mixed medium enters the cylinder 6 from the liquid inlet 30 along the liquid inlet branch line II 312 through the cylinder connector 4 and the liquid inlet hole 18, when the piston 7 moves to the front limit stroke, the front volume of the piston 7 is not changed, the positive pressure disappears, and the liquid outlet valve assembly 13 inside the first pump body component 28 is closed under the action of the spring of the liquid outlet valve assembly 13; the negative pressure behind the piston 7 disappears and the inlet valve assembly 16 in the first pump body part 28 closes against the spring reaction of the inlet valve assembly 16.
The piston 7 reciprocates back and forth once, and the utility model completes one action.
The O-shaped sealing ring 14, the power part 34, the transmission part 35, the pipeline and the pipeline are all the prior art; the above-mentioned piston cylinder component 27, liquid inlet and outlet valve components and pump body component all apply for utility model patent alone, and the concrete structure is described in the corresponding patent.
The above-described embodiments should not be construed as limiting the scope of the utility model, and any alternative modifications or alterations to the embodiments of the present invention will be apparent to those skilled in the art.
The present invention is not described in detail, but is known to those skilled in the art.
Claims (8)
1. The utility model provides a modularization oil gas multiphase piston pump which characterized in that: the pump comprises a power component (34), a transmission component (35), a piston cylinder component, a pipeline assembly, a first pump body component (28) and a second pump body component (33), wherein the power component (34) is connected with the transmission component (35), the transmission component (35) is connected with the piston cylinder component, and the first pump body component (28) and the second pump body component (33) are connected with the piston cylinder component in parallel through the pipeline assembly;
piston cylinder part includes back cylinder cap (1), piston rod (2), back cylinder body (3), cylinder liner (5), cylinder body (6), piston (7) and preceding cylinder cap (8), cylinder liner (5) set up in cylinder body (6), piston (7) are equipped with in cylinder liner (5), piston (7) are connected piston rod (2) one end, cylinder body (6) with the one end of cylinder liner (5) is all connected preceding cylinder cap (8), cylinder body (6) other end is connected back cylinder body (3) one end, back cylinder body (3) other end is connected back cylinder cap (1), the piston rod (2) other end is worn out back cylinder body (3) with back cylinder cap (1) is connected and is connect pole (23), can dismantle on cylinder body (6) and be provided with connector (9) and cylinder body joint (4), connector (9) and cylinder body joint (4) correspond the connection respectively first pump body part (28) and second pump body part (8) and second cylinder body joint (4) A pump body member (33).
2. The modular oil and gas mixture transfer piston pump of claim 1, wherein: the power component (34) comprises a motor and a speed reducer, the motor is connected with the speed reducer, and the speed reducer is connected with the transmission component (35).
3. The modular oil and gas mixture transfer piston pump of claim 1 or 2, characterized in that: drive disk assembly (35) include bent axle (19), connecting rod (20), cross head pin (21), cross head (22), connect pole (23) and box (25), box (25) are connected cylinder body (6), bent axle (19) set up in box (25), bent axle (19) are connected connecting rod (20), connecting rod (20) are connected cross head (22), and use cross head pin (21) are fixed, be provided with oil window (24) on box (25).
4. The modular oil and gas mixture transfer piston pump of claim 3, wherein: the structure of the first pump body component (28) is the same as that of the second pump body component (33), the first pump body component (28) comprises a cylinder head top cover (10), a liquid discharge spring seat (11), a liquid discharge valve assembly (13), a cylinder head body (15), a liquid inlet spring seat (26), a liquid inlet valve assembly (16) and a base (17), the cylinder head top cover (10) can be detachably arranged at the upper end of the cylinder head body (15), the liquid discharge spring seat (11), the liquid discharge valve assembly (13), the liquid inlet spring seat (26) and the liquid inlet valve assembly (16) are sequentially arranged inside the cylinder head body (15) from top to bottom, the base (17) can be detachably arranged at the lower end of the cylinder head body (15), the side wall of the cylinder head body (15) is provided with a hole, the hole is connected with the connector (9), the upper part of the cylinder head body (15) is provided with a liquid discharge hole (12), and the liquid discharge hole (12) is positioned above the valve assembly (13), a liquid inlet hole (18) is formed in the base (17), and the liquid inlet hole (18) and the liquid discharge hole (12) are located on the same side face.
5. The modular oil and gas mixture transfer piston pump of claim 4, wherein: the pipeline assembly comprises a liquid inlet pipeline (31) and a liquid discharge pipeline (32), wherein the liquid inlet pipeline (31) is divided into a first liquid inlet branch (311) and a second liquid inlet branch (312) through a pipeline joint, the liquid discharge pipeline (32) is divided into a first liquid discharge branch (321) and a second liquid discharge branch (322) through a pipeline joint, the first liquid inlet branch (311) is connected with the liquid inlet hole (18) of the first pump body component (28), the second liquid inlet branch (312) is connected with the liquid inlet hole (18) of the second pump body component (33), the first liquid discharge branch (321) is connected with the liquid discharge hole (12) of the first pump body component (28), and the second liquid discharge branch (322) is connected with the liquid discharge hole (12) of the second pump body component (33).
6. The modular oil and gas mixture transfer piston pump of claim 5, wherein: o-shaped sealing rings (14) are arranged between the cylinder head body (15) and the liquid inlet valve component (16), the liquid discharge valve component (13) and the cylinder head top cover (10).
7. The modular oil and gas mixture transfer piston pump of claim 6, wherein: an O-shaped sealing ring (14) is arranged between the bottom surface of the liquid inlet valve component (16) and the top surface of the base (17).
8. The modular oil and gas mixture transfer piston pump of claim 1, wherein: the cylinder sleeve (5) is a ceramic cylinder sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120376978.3U CN215333273U (en) | 2021-02-19 | 2021-02-19 | Modular oil-gas mixed transportation piston pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120376978.3U CN215333273U (en) | 2021-02-19 | 2021-02-19 | Modular oil-gas mixed transportation piston pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215333273U true CN215333273U (en) | 2021-12-28 |
Family
ID=79581401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120376978.3U Active CN215333273U (en) | 2021-02-19 | 2021-02-19 | Modular oil-gas mixed transportation piston pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215333273U (en) |
-
2021
- 2021-02-19 CN CN202120376978.3U patent/CN215333273U/en active Active
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