CN202669583U - Liquid CO2 injection vehicle - Google Patents
Liquid CO2 injection vehicle Download PDFInfo
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- CN202669583U CN202669583U CN 201220275895 CN201220275895U CN202669583U CN 202669583 U CN202669583 U CN 202669583U CN 201220275895 CN201220275895 CN 201220275895 CN 201220275895 U CN201220275895 U CN 201220275895U CN 202669583 U CN202669583 U CN 202669583U
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Abstract
The utility model discloses a liquid CO2 injection vehicle and relates to the field of CO2 flooding in the oil field. The liquid CO2 injection vehicle comprises a chassis and an auxiliary frame, wherein the auxiliary frame is sequentially provided with a frequency conversion control cabinet, a transfer case, a mechanical control cabinet, a motor, a three-cylinder plunger pump and a gas-liquid separator from beginning to end; a chassis engine is connected with the power input end of a full-power power takeoff device through a transmission shaft; the full-power power takeoff device and a power output shaft of the motor are connected with the power input shaft of the transfer case through the transmission shaft; and the power output end of the transfer case is connected with the power end of the three-cylinder plunger pump through the transmission shaft. According to the liquid CO2 injection vehicle, the engine and the motor are taken as power sources, the motor frequency and the engine threshold are adjusted through the frequency conversion control cabinet and the mechanical control cabinet so as to adjust the rotation speed of the motor and the engine, the coverage range of the rotation speed and the torque is broader, the flow quantity of the three-cylinder plunger pump can be freely adjusted, the purpose of dual-power remote control is achieved, the structure is simple, the operation is convenient, and the manufacture, use and maintenance costs are greatly reduced.
Description
Technical field
The utility model relates to oil field CO
2A kind of liquid CO in displacement of reservoir oil field
2Injection device, the liquid CO that especially a kind of pressure is high, discharge capacity is large
2Inject car.
Background technology
At present, the reservoir in the most of oil field of China belongs to continental deposit, nonuniformity is more serious, and viscosity of crude is higher, and rate of water cut increase is fast, there is the exploitation in many oil fields to enter the middle and later periods in addition, although taked the series of measures such as water filling, steam injection, oil recovery factor is still lower, in order to satisfy China's industrial development needs growing to petroleum-based energy, seek a kind of exploitation effect good, the oil recovery technique that has an economic benefit again has been extremely urgent.Because CO
2Be a kind of very efficiently oil displacement agent, soluble in crude oil, have than water filling, the more obvious technical advantage of steam injection, CO
2Oil production technology worldwide generally adopts, and effect of increasing production is very obvious.Domestic CO
2Injection device is mainly skid electricity drive configuration form; between motor and pump drop-gear box is set, utilizes drop-gear box to carry out speed governing, nothing arranges overpressure protection apparatus on pump main converges; as running into remote districts or the non-electricity zone piece also need be equipped with generator special, the limitation of equipment is particularly outstanding.External CO
2Injection device is not only expensive, and with other associate device supporting operation the time, a lot of interfaces do not match, and need transform, and its manifold system design is too complicated, is unfavorable for applying.
Summary of the invention
The purpose of this utility model is to provide a kind of liquid CO
2Inject car; it with engine in situ and motor as propulsion source; carry out the rotating speed of regulating electric machine and engine in situ by frequency-conversion control cabinet and mechanical control housing; and be provided with overpressure protection apparatus at the high pressure exhaust manifold of three-cylinder plunger pump; simple in structure; easy to operate, greatly reduce and make and the working service cost.
The utility model comprises chassis, subframe, is provided with gas-liquid separator and three-cylinder plunger pump on the subframe.Subframe from first to last is disposed with frequency-conversion control cabinet, auxiliary gear box, the machinery control housing, motor, three-cylinder plunger pump and gas-liquid separator, engine in situ is connected with the power intake of Full-power takeoff by transmission shaft, Full-power takeoff is connected clutch end and is connected with the power intake of auxiliary gear box by transmission shaft with motor, the clutch end of auxiliary gear box is connected with the power end of three-cylinder plunger pump by transmission shaft, the liquid phase entrance point is connected with liquid phase supervisor remittance entrance point by ball valve and liquid phase pipeline, liquid phase supervisor remittance exit end is connected with the inlet of gas-liquid separator by ball valve and liquid phase pipeline, the liquid outlet of gas-liquid separator is connected with the fluid end of three-cylinder plunger pump by liquid phase pipeline and ball valve, the air extractor duct of gas-liquid separator is connected with gas phase supervisor remittance entrance point by gas phase pipeline and ball valve, gas phase supervisor remittance exit end is connected with the gaseous phase outlet end by gas phase pipeline and ball valve, is provided with pressure equaliser between liquid phase entrance point and the gas phase exit end.
Full-power takeoff is arranged on the subframe the place ahead after the operator's compartment, auxiliary gear box, motor, three-cylinder plunger pump and gas-liquid separator are arranged on the longitudinal centerline on chassis, frequency-conversion control cabinet is located at the right side, chassis, the machinery control housing is located at the left side, chassis, liquid phase entrance point and gas phase exit end all are arranged on the left side, chassis, and the liquid-phase outlet end is arranged on the both sides, chassis.Three-cylinder plunger pump high pressure exhaust manifold is provided with overpressure protection apparatus.
The liquid phase supervisor converges, the gas phase supervisor converges, the gentle phase pipeline of liquid phase pipeline is stainless steel tube.The gas phase supervisor converges above the liquid phase supervisor converges, and pressure equaliser is comprised of pipeline and ball valve.Be arranged in parallel by the canned motor pump manifold that is formed by liquid phase pipeline, ball valve and canned motor pump on the pipeline at ball valve two ends between the inlet of liquid phase supervisor remittance exit end and gas-liquid separator.
Gas-liquid separator is in casing, and its outside is provided with insulating foam layer, and casing is provided with liquidometer.The gas-liquid separator lower end is provided with sewage draining exit and liquid outlet, and the upper end is provided with gauge port, relief valve port and heat indicator mouth.
The beneficial effects of the utility model are: the utility model with driving engine and motor as propulsion source, carry out the size of regulating electric machine frequency and engine throttle by frequency-conversion control cabinet and mechanical control housing, get final product regulating electric machine and engine speed, rotating speed and the torque range of its covering are wider, reach the free adjustment of three-cylinder plunger pump flow, realized double dynamical Long-distance Control, simple in structure, easy to operate, greatly reduce and make and the working service cost;
Be provided with pressure equaliser between the utility model liquid phase entrance point and the gas phase exit end, in the operation process, balance the pressure between liquid phase entrance point and the gas phase exit end;
The utility model is provided with overpressure protection apparatus at the high pressure exhaust manifold of three-cylinder plunger pump, avoids the three-cylinder plunger pump discharge pressure to surpass its maximum design pressure and damage equipment, the safety that has improved car load;
Be arranged in parallel by the canned motor pump manifold that is formed by liquid phase pipeline, ball valve and canned motor pump on the pipeline at ball valve two ends between the inlet of liquid phase supervisor remittance exit end and gas-liquid separator, as external liquid CO
2When canned motor pump damages, use as stand by pump;
Liquid phase supervisor converges, the gas phase supervisor converges, the gentle phase pipeline of liquid phase pipeline is stainless steel tube, appearance looks elegant not only, and also low temperature resistant;
The gas-liquid separator outside is provided with insulating foam layer, to prevent liquid CO
2Gasification.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the manifold system schematic diagram.
Among the figure: 1, the chassis, 2, Full-power takeoff, 3, frequency-conversion control cabinet, 4, auxiliary gear box, 5, the machinery control housing, 6, motor, 7, three-cylinder plunger pump, 8, the liquid-phase outlet end, 9, manifold system, 91, the gaseous phase outlet end, 92, the liquid phase entrance point, 93, gas phase supervisor converge, 94, liquid phase supervisor converge, and 95, ball valve, 96, the gas phase pipeline, 97, the liquid phase pipeline, 98, pressure equaliser, 10, gas-liquid separator, 11, casing, 12, subframe, 13, canned motor pump, 14, inlet, 15, air extractor duct, 16, gauge port, 17, relief valve port, 18, the heat indicator mouth, 19, liquid outlet, 20, sewage draining exit, 21, transmission shaft, 22, liquidometer.
The specific embodiment
In Fig. 1, a kind of liquid CO
2Inject car and comprise chassis 1, subframe 12, subframe 12 from first to last is disposed with frequency-conversion control cabinet 3, auxiliary gear box 4, machinery control housing 5, motor 6, three-cylinder plunger pump 7 and gas-liquid separator 10, wherein, gas-liquid separator 10 is arranged in the casing 11, casing 11 is provided with liquidometer 22, Full-power takeoff 2 is arranged on subframe 12 the place aheads after the operator's compartment, auxiliary gear box 4, motor 6, three-cylinder plunger pump 7 and gas-liquid separator 10 are arranged on the longitudinal centerline on chassis 1, frequency-conversion control cabinet 3 is located at 1 right side, chassis, machinery control housing 5 is located at 1 left side, chassis, two liquid phase entrance points 92 and two gaseous phase outlet ends 91 all are arranged on 1 left side, chassis, and liquid-phase outlet end 8 is arranged on 1 both sides, chassis.Engine in situ is connected with the power intake of Full-power takeoff 2 by transmission shaft 21, the clutch end that Full-power takeoff 2 is connected with motor is connected with the power intake of auxiliary gear box 4 by transmission shaft 21, the clutch end of auxiliary gear box 4 is connected with the power end of three-cylinder plunger pump 7 by transmission shaft 21, auxiliary gear box 4 is provided with interlock with motor 6 and Full-power takeoff 2 junctions, can guarantee that two kinds of power only have the another kind of disconnection of a kind of input.In the working process, carry out the size of regulating electric machine 6 frequencies and engine throttle by frequency-conversion control cabinet 3 and mechanical control housing 5, get final product regulating electric machine 6 and engine speed, rotating speed and the torque range of its covering are wider, reach the free adjustment of three-cylinder plunger pump 7 flows, realized double dynamical Long-distance Control, simple in structure, easy to operate, greatly reduce and make and the working service cost.Three-cylinder plunger pump 7 high pressure exhaust manifolds are provided with overpressure protection apparatus, avoid three-cylinder plunger pump 7 discharge pressures to surpass its maximum design pressure and damage equipment, have improved the safety performance of car load.
In Fig. 2, liquid phase entrance point 92 is connected with liquid phase supervisor remittance 94 entrance points by ball valve 95 and liquid phase pipeline 97, liquid phase supervisor remittance 94 exit end are connected with the inlet 14 of gas-liquid separator 10 by ball valve 95 and liquid phase pipeline 97, the liquid outlet 19 of gas-liquid separator 10 is connected with the fluid end of three-cylinder plunger pump 7 by liquid phase pipeline 97 and ball valve 95, the air extractor duct of gas-liquid separator 10 is connected with gas phase supervisor remittance 93 entrance points by gas phase pipeline 96 and ball valve 95, gas phase supervisor remittance 93 exit end are connected with gaseous phase outlet end 91 by gas phase pipeline 96 and ball valve 95, be provided with the pressure equaliser 98 that is formed by pipeline and ball valve 95 between liquid phase entrance point 92 and the gas phase exit end 91, with equilibrium liquid, pressure between the gas phase manifold.
Liquid phase supervisor remittance 94, gas phase supervisor remittance 93, liquid phase pipeline 97 and gas phase pipeline 96 are stainless steel tube.Be arranged in parallel the canned motor pump manifold that forms by by liquid phase pipeline 97, ball valve 95 and canned motor pump 13 on the liquid phase pipeline 97 at ball valve 95 two ends between the inlet 14 of liquid phase supervisor remittance 94 exit end and gas-liquid separator 10, when external connection power pump et out of order, use as stand by pump.
Gas-liquid separator 10 outer surfaces are provided with insulating foam layer, and gas-liquid separator 10 lower ends are provided with sewage draining exit 20 and liquid outlet 19, and the upper end is provided with gauge port 16, relief valve port 17 and heat indicator mouth 18.
The utility model operation process: liquid phase entrance point 92 and gas phase exit end 91 and external CO
2Tank car connects, and can connect simultaneously two CO
2Tank car is opened ball valve 95, liquid CO
2Enter gas-liquid separator 10 by liquid phase supervisor remittance 94, liquid phase pipeline 97 and inlet 14, liquid outlet 19 is connected with three-cylinder plunger pump 7 liquid feeding ends by the liquid phase pipeline, start the engine or motor 6, transmission shaft 21 by auxiliary gear box 4 mouths drives three-cylinder plunger pumps 7 work, by liquid-phase outlet end 8 with liquid CO
2Inject into well.The gaseous state CO that gas-liquid separator 70 is separated
2Enter external CO by air extractor duct 15, gas phase pipeline 96, gas phase supervisor remittance 93 and gas phase exit end 91
2Tank car.In the working process, as external CO
2When the kinetic pump on the tank car breaks down, start the canned motor pump manifold and carry out operation.
Claims (10)
1. liquid CO
2Inject car, comprise the chassis, subframe, be provided with gas-liquid separator and three-cylinder plunger pump on the subframe, it is characterized in that: subframe from first to last is disposed with frequency-conversion control cabinet, auxiliary gear box, the machinery control housing, motor, three-cylinder plunger pump and gas-liquid separator, engine in situ is connected with the power intake of Full-power takeoff by transmission shaft, Full-power takeoff is connected clutch end and is connected with the power intake of auxiliary gear box by transmission shaft with motor, the clutch end of auxiliary gear box is connected with the power end of three-cylinder plunger pump by transmission shaft, the liquid phase entrance point is connected with liquid phase supervisor remittance entrance point by ball valve and liquid phase pipeline, liquid phase supervisor remittance exit end is connected with the inlet of gas-liquid separator by ball valve and liquid phase pipeline, the liquid outlet of gas-liquid separator is connected with the fluid end of three-cylinder plunger pump by liquid phase pipeline and ball valve, the air extractor duct of gas-liquid separator is connected with gas phase supervisor remittance entrance point by gas phase pipeline and ball valve, gas phase supervisor remittance exit end is connected with the gaseous phase outlet end by gas phase pipeline and ball valve, is provided with pressure equaliser between liquid phase entrance point and the gas phase exit end.
2. a kind of liquid CO according to claim 1
2Inject car, it is characterized in that: described Full-power takeoff is arranged on the subframe the place ahead after the operator's compartment, auxiliary gear box, motor, three-cylinder plunger pump and gas-liquid separator are arranged on the longitudinal centerline on chassis, frequency-conversion control cabinet is located at the right side, chassis, the machinery control housing is located at the left side, chassis, liquid phase entrance point and gas phase exit end all are arranged on the left side, chassis, and the liquid-phase outlet end is arranged on the both sides, chassis.
3. a kind of liquid CO according to claim 1
2Inject car, it is characterized in that: described gas phase supervisor converges above the liquid phase supervisor converges, and pressure equaliser is comprised of pipeline and ball valve.
4. a kind of liquid CO according to claim 1
2Inject car, it is characterized in that: be arranged in parallel by the canned motor pump manifold that is formed by liquid phase pipeline, ball valve and canned motor pump on the pipeline at ball valve two ends between the inlet of described liquid phase supervisor remittance exit end and gas-liquid separator.
5. a kind of liquid CO according to claim 4
2Inject car, it is characterized in that: described liquid phase supervisor converges, the gas phase supervisor converges, the gentle phase pipeline of liquid phase pipeline is stainless steel tube.
6. a kind of liquid CO according to claim 1
2Inject car, it is characterized in that: described gas-liquid separator lower end is provided with sewage draining exit and liquid outlet, and the upper end is provided with gauge port, relief valve port and heat indicator mouth.
7. each described a kind of liquid CO in 6 according to claim 1
2Inject car, it is characterized in that: described three-cylinder plunger pump high pressure exhaust manifold is provided with overpressure protection apparatus.
8. a kind of liquid CO according to claim 7
2Inject car, it is characterized in that: described gas-liquid separator outside is provided with insulating foam layer.
9. a kind of liquid CO according to claim 8
2Inject car, it is characterized in that: described gas-liquid separator is in casing.
10. a kind of liquid CO according to claim 9
2Inject car, it is characterized in that: described casing is provided with liquidometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220275895 CN202669583U (en) | 2012-06-05 | 2012-06-05 | Liquid CO2 injection vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220275895 CN202669583U (en) | 2012-06-05 | 2012-06-05 | Liquid CO2 injection vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202669583U true CN202669583U (en) | 2013-01-16 |
Family
ID=47490510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220275895 Expired - Fee Related CN202669583U (en) | 2012-06-05 | 2012-06-05 | Liquid CO2 injection vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202669583U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102729882A (en) * | 2012-06-05 | 2012-10-17 | 中原特种车辆有限公司 | Liquid CO2 injection truck |
-
2012
- 2012-06-05 CN CN 201220275895 patent/CN202669583U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102729882A (en) * | 2012-06-05 | 2012-10-17 | 中原特种车辆有限公司 | Liquid CO2 injection truck |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20180605 |