CN203420879U - Oil and gas multiphase pump - Google Patents
Oil and gas multiphase pump Download PDFInfo
- Publication number
- CN203420879U CN203420879U CN201320350666.0U CN201320350666U CN203420879U CN 203420879 U CN203420879 U CN 203420879U CN 201320350666 U CN201320350666 U CN 201320350666U CN 203420879 U CN203420879 U CN 203420879U
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- China
- Prior art keywords
- pump
- oil
- liquid
- suction chamber
- oil suction
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- Expired - Fee Related
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- 239000007788 liquid Substances 0.000 claims abstract description 100
- 239000000945 filler Substances 0.000 claims description 24
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims description 2
- 239000007789 gas Substances 0.000 abstract description 36
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 7
- 238000000926 separation method Methods 0.000 abstract description 4
- 239000003345 natural gas Substances 0.000 abstract description 3
- 230000002093 peripheral effect Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 47
- 239000011435 rock Substances 0.000 description 8
- 239000000446 fuel Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000003949 liquefied natural gas Substances 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000012356 Product development Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Landscapes
- Rotary Pumps (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses an oil and gas multiphase pump which comprises a pump body and a liquid collection device, wherein the pump body comprises a pump casing and a pump chamber arranged in the pump casing and used for accommodating a screw rod; an oil outlet is formed in the middle section of the pump chamber and penetrates through the pump body; an oil inlet chamber is further arranged in the pump casing, two ends of the oil inlet chamber are communicated with two ends of the pump chamber, and an oil inlet is formed in the oil inlet chamber and penetrates through the pump body; and the liquid collection device comprises a cylindrical liquid collection tank, an input pipe and a liquid output device, the bottom of the liquid collection tank is connected with the liquid output device, an input port is formed in the pipe wall of the liquid collection tank, the input pipe extends into the input port to reach the interior of the liquid collection tank, a pipe orifice of the input pipe is tightly attached to the inner wall of the liquid collection tank, and a central axis of the pipe orifice is inclined downwards and tangent to the inner wall of the liquid collection tank where the pipe orifice is located. The oil and gas multiphase pump has the benefits that gas-liquid separation of natural gas is realized through the pump, the liquified natural gas is sent back to peripheral space of the pump chamber, and the gas-in-liquid state is realized.
Description
Technical field
The utility model relates to a kind of pump, especially oil-gas mixed delivery pump.
Background technique
Oil-gas mixed delivery pump is widely used in as crude oil, the defeated visual plant of natural gas extraction collection among the field of petroleum production, is nearly more than ten years because of pump that the development of petroleum industry is derived.Corresponding research and product development have been dropped into abroad; Theoretical research almost belongs to blank out at home, and corresponding product does not have yet, and traditional pump, owing to can only carrying liquid, runs in medium and contains gas with regard to cisco unity malfunction.Therefore, design a kind of pump that can realize the heterogeneous conveying of liquid gas just very meaningful.
Model utility content
The technical problems to be solved in the utility model is to provide a kind of oil-gas mixed delivery pump.
The utility model is achieved through the following technical solutions.
A kind of oil-gas mixed delivery pump, comprise the pump housing, liquid collector, the above-mentioned pump housing comprises pump case, the pump chamber that holds screw rod in pump case, above-mentioned pump chamber intermediate section position is provided with oil outlet and runs through the above-mentioned pump housing, in above-mentioned pump case, be also provided with oil suction chamber, above-mentioned oil suction chamber two ends and above-mentioned pump chamber two ends connect, above-mentioned oil suction chamber is provided with filler opening and runs through the above-mentioned pump housing, above-mentioned liquid collector comprises cylindrical liquid collecting tank, supplying tube, device for output of liquid, above-mentioned liquid collecting tank bottom connects aforesaid liquid output unit, above-mentioned liquid collecting tank tube wall is provided with inlet opening, it is inner to above-mentioned liquid collecting tank that above-mentioned supplying tube stretches into above-mentioned inlet opening, the mouth of pipe of above-mentioned supplying tube is adjacent to above-mentioned liquid collecting tank inwall, above-mentioned mouth of pipe central shaft liquid collecting tank inwall place downward-sloping and that be in the above-mentioned mouth of pipe is tangent.
Further, the oil outlet of above-mentioned pump chamber is arranged on above-mentioned pump housing end face central position.
Further, the filler opening of above-mentioned oil suction chamber is arranged on the pump housing one central position, side, and above-mentioned oil suction chamber is divided into left oil suction chamber, right oil suction chamber by above-mentioned filler opening, and above-mentioned left oil suction chamber, right oil suction chamber are about above-mentioned filler opening symmetry.
Further, above-mentioned oil suction chamber is arranged on the below of above-mentioned pump chamber.
Further, the pump case part of above-mentioned formation oil suction chamber bottom surface, by above-mentioned filler opening to above-mentioned pump case two side ends towards tilting.
Further, the distance on the Mian Zhiqi opposite, filler opening place of above-mentioned oil suction chamber, is increased to above-mentioned pump case both sides gradually by above-mentioned filler opening.
Further, above-mentioned supplying tube comprises straight tube, swan neck, above-mentioned straight tube is stretched into by above-mentioned inlet opening and is close to above-mentioned liquid collecting tank inwall, and above-mentioned swan neck is connected to the port that above-mentioned straight tube is positioned at liquid collecting tank, and the mouth of pipe of above-mentioned swan neck is the mouth of pipe of above-mentioned supplying tube.
Further, above-mentioned mouth of pipe central shaft is downward-sloping 15 °.
Further, aforesaid liquid output unit comprises the liquid storage tank of cross setting, two drainage tubes, above-mentioned liquid collecting tank bottom is connected to aforesaid liquid holding vessel central position, and above-mentioned two drainage tubes are connected to the two ends of aforesaid liquid holding vessel, and are connected with the above-mentioned pump housing.
Further, aforesaid liquid output unit also comprises drain pipe, and above-mentioned drain pipe is connected to aforesaid liquid holding vessel bottom, and is provided with valve at above-mentioned drain pipe place.
The beneficial effects of the utility model:
By " gas-in-liquid " mechanism (gas wrapping, in liquid, has been complied with to the feature that pump can only be carried liquid), thereby realize the mixed transmission function of heterogeneous flow liquid gas of pump; By the mode of two screw pump, carry out the force feed of multiphase flow; Pass through liquid collector, guaranteed that system " gas-in-liquid " mechanism is not subject to the impact of the air content size of medium, because applied cyclone separation process, guaranteed in liquid collector that liquid source is not because the output of system media reduces simultaneously, indirectly guaranteed the carrying out of system " gas-in-liquid " mechanism, guaranteed that the reliability of system works and system (oil-gas mixed delivery pump) work is not because the dynamic characteristic of operating mode (gas content changes, the unstability of medium fluidised form) affects normal operation; By the application of the cyclone separation process in liquid collector, make the power consumption of pump not be subject to the big or small impact (if configure traditional liquid-gas separator, the resistance of liquid output can be existed by separating grid and increases) of medium gas content.
Accompanying drawing explanation
Fig. 1 is the structural representation of the pump housing of the implementation case oil-gas mixed delivery pump; (in figure, the left side of A-A is sectional view, and the right of A-A is plan view)
Fig. 2 is the schematic cross-section of A-A in Fig. 1;
Fig. 3 is the schematic cross-section of B-B in Fig. 1;
Fig. 4 is the schematic cross-section of C-C in Fig. 1;
Fig. 5 is the schematic cross-section of D-D in Fig. 1;
Fig. 6 is the schematic cross-section of E-E in Fig. 1;
Fig. 7 is the front view of the liquid collector for the implementation case oil-gas mixed delivery pump;
Fig. 8 is the side view of the liquid collector of the implementation case oil-gas mixed delivery pump;
Fig. 9 is F-F schematic cross-section in Fig. 8;
Figure 10 is the fundamental diagram of the implementation case oil-gas mixed delivery pump.
Embodiment
According to drawings and embodiments the utility model is described in further detail below.
With reference to Fig. 1, Fig. 7, Fig. 8, the utility model, oil-gas mixed delivery pump, comprises the pump housing 1, liquid collector 2, the above-mentioned pump housing 1 comprises pump case 11, pump chamber 12, oil suction chamber 13.Wherein, pump case 11 is that the framework that forms this pump housing 1 forms, pump chamber 12 is arranged on pump case 11 inside, that the interior space body being separated out by pump case 11 forms, pump chamber 12 is as holding screw pump (not shown) in this pump housing, by screw pump, the rock gas of air-fuel mixture that is positioned at the transportation of pump chamber 12 is promoted to transport.At pump chamber 12, set out hydraulic fluid port 120, oil outlet 120 runs through the external oil gas output unit of pump case 11 (not shown).Liquid collector 2 comprises liquid collecting tank 21, supplying tube 23, device for output of liquid, and liquid collecting tank 21 is cylindric.Liquid collecting tank 21 bottoms connect device for output of liquid, liquid collecting tank 21 tube walls are provided with inlet opening 211, supplying tube 23 stretches into inlet opening 233 to liquid collecting tank 21 inside, the mouth of pipe 230 of supplying tube 23 is adjacent to liquid collecting tank 21 inwalls, and the mouth of pipe 230 central shafts liquid collecting tank 21 inwall places downward-sloping and that be in the mouth of pipe 230 are tangent.
With reference to Fig. 6, pump chamber 12 its two ends and pump case 11 be end altogether, and its side consists of the bi-side of pump case 1, the rectangular body in cross section.
With reference to Fig. 1, Fig. 2, in the implementation case, oil outlet 120 is arranged on the intermediate section position of pump chamber, and being directed upwardly of arranging of this oil outlet 120, and oil outlet 120 is arranged on the central position of pump case end face 117.
With reference to Fig. 3,4,5 and in conjunction with Fig. 1, oil suction chamber 13 is divided into left oil suction chamber 131, right oil suction chamber 133, and left oil suction chamber 131, right oil suction chamber 133 are to using filler opening 130 as boundary position, and left oil suction chamber 131, right oil suction chamber 133 are about filler opening 130 symmetries.
Refer again to Fig. 1, the bottom surface of oil suction chamber 13 is pump housing bottom surface 115, is that pump case left end 111, pump case right-hand member 113 are towards tilting by filler opening 130 to the two ends of the pump housing 11.
Refer again to Fig. 3, the distance d on the filler opening 130 Mian Zhiqi opposites, place of oil suction chamber 13, is increased to pump case 11 both sides gradually by filler opening 130.
Be incorporated into oil pocket 13 bottom surface variable height and oil suction chamber 13 front-back variable in distance, refer again to Fig. 2, Fig. 4, can find out, the cross section of oil suction chamber 13 is by the longer cuboid of the vertical edge of Fig. 2, be changed to the shorter cuboid of vertical edge of Fig. 4, and size does not almost change, then to Fig. 5, oil suction chamber 13 and pump chamber 12 connect.Oil suction chamber 13 is spatial placement so, can be so that the rock gas entering in oil suction chamber 13 by filler opening 130 keeps under substantially constant comparatively stable transport state at flow, by stablizing slowly and raise by left oil suction chamber 131, right oil suction chamber 133 in the oil suction chamber 13 of pump chamber 12 belows, until enter the two ends of pump chamber 12.
In the implementation case, this pump housing is two screw pump, can be also helical rotor pump or three screw pump.
With reference to Fig. 9, and in conjunction with Fig. 7, Fig. 7, supplying tube 23 comprises straight tube 231, swan neck 233, straight tube 231 is stretched into by inlet opening 211 and is close to liquid collecting tank 21 inwalls, swan neck 233 is connected to the port that straight tube 231 is positioned at liquid collecting tank 21, and the mouth of pipe of swan neck 233 is the mouth of pipe 230 of supplying tube.
In the implementation case, downward-sloping 15 ° of the mouth of pipe 230 central shafts.
Device for output of liquid comprises the liquid storage tank 22 of cross setting, two drainage tubes 221, liquid collecting tank 21 bottoms are connected to liquid storage tank 22 central positions, two drainage tubes 221 are connected to the two ends of liquid storage tank 22, and two drainage tubes 221 are communicated with 8 conduction hole (not shown) on the pump housing.
And device for output of liquid also comprises drain pipe 223, drain pipe 223 is connected to liquid storage tank 22 bottoms, and is provided with valve 225 at drain pipe 223 places.
In the implementation case, the rock gas of air-fuel mixture is entered in liquid collecting tank 21 by the straight tube 231 of supplying tube 23, direction by swan neck 233 regulates again, by the mouth of pipe 230, sprayed, the rock gas of ejection along the inwall of liquid collecting tank 21 with downward gradually motion mode, produce eddy flow, after eddy flow produces, because the density of the gas in rock gas, liquid is different, the top that gas up moves through liquid collecting tank 21 transfers out, and liquid, because density is high, moves downward, then enter liquid storage tank 22, realize separated object.
After collection, at the liquid of liquid storage tank 22, then two drainage tubes 221 by both sides input to and in oil-gas mixed delivery pump, carry out periodic duty.The drain pipe 223 arranging in liquid storage tank 22 bottoms and valve 225 can so that whole device when in maintenance state, by opening the dirt in valve 225 discharge liquid holding vessels 22.
With reference to Figure 10, the utility model, oil-gas mixed delivery pump, its working principle is: pass through the pump housing, the rock gas of air-fuel mixture is sent in pump chamber by oil suction chamber, by oil outlet, enter liquid collecting tank again, liquid collecting tank carries out gas-liquid separation by the rock gas of air-fuel mixture, the natural gas output that moves upward, liquid natural gas moves downward, and enters in liquid storage tank, and then liquid natural gas is returned to the peripheral space of oil-gas mixed delivery pump pump chamber, so in pump chamber, can form the situation that liquid surrounds gas, i.e. " gas-in-liquid " state.
Above-described embodiment is only explanation technical conceive of the present utility model and feature, and its object is to allow the personage who is familiar with this art can understand the utility model content and be implemented, and can not limit protection domain of the present utility model with this.All equivalences of doing according to the utility model Spirit Essence change or modify, and all should be encompassed in protection domain of the present utility model.
Claims (10)
1. an oil-gas mixed delivery pump, comprise the pump housing, liquid collector, it is characterized in that, the described pump housing comprises pump case, the pump chamber that holds screw rod in pump case, described pump chamber intermediate section position is provided with oil outlet and runs through the described pump housing, in described pump case, be also provided with oil suction chamber, described oil suction chamber two ends and described pump chamber two ends connect, described oil suction chamber is provided with filler opening and runs through the described pump housing, described liquid collector comprises cylindrical liquid collecting tank, supplying tube, device for output of liquid, described liquid collecting tank bottom connects described device for output of liquid, described liquid collecting tank tube wall is provided with inlet opening, it is inner to described liquid collecting tank that described supplying tube stretches into described inlet opening, the mouth of pipe of described supplying tube is adjacent to described liquid collecting tank inwall, described mouth of pipe central shaft liquid collecting tank inwall place downward-sloping and that be in the described mouth of pipe is tangent.
2. oil-gas mixed delivery pump according to claim 1, is characterized in that, the oil outlet of described pump chamber is arranged on described pump housing end face central position.
3. oil-gas mixed delivery pump according to claim 1, it is characterized in that, the filler opening of described oil suction chamber is arranged on the pump housing one central position, side, and described oil suction chamber is divided into left oil suction chamber, right oil suction chamber by described filler opening, and described left oil suction chamber, right oil suction chamber are about described filler opening symmetry.
4. oil-gas mixed delivery pump according to claim 3, is characterized in that, described oil suction chamber is arranged on the below of described pump chamber.
5. oil-gas mixed delivery pump according to claim 4, is characterized in that, the pump case part of described formation oil suction chamber bottom surface, by described filler opening to described pump case two side ends towards tilting.
6. oil-gas mixed delivery pump according to claim 5, is characterized in that, the distance on the Mian Zhiqi opposite, filler opening place of described oil suction chamber, is increased to described pump case both sides gradually by described filler opening.
7. oil-gas mixed delivery pump according to claim 1, it is characterized in that, described supplying tube comprises straight tube, swan neck, described straight tube is stretched into by described inlet opening and is close to described liquid collecting tank inwall, described swan neck is connected to the port that described straight tube is positioned at liquid collecting tank, and the mouth of pipe of described swan neck is the mouth of pipe of described supplying tube.
8. according to the oil-gas mixed delivery pump described in claim 1 or 7, it is characterized in that downward-sloping 15 ° of described mouth of pipe central shaft.
9. oil-gas mixed delivery pump according to claim 1, it is characterized in that, described device for output of liquid comprises the liquid storage tank of cross setting, two drainage tubes, described liquid collecting tank bottom is connected to described liquid storage tank central position, described two drainage tubes are connected to the two ends of described liquid storage tank, and are connected with the described pump housing.
10. oil-gas mixed delivery pump according to claim 9, is characterized in that, described device for output of liquid also comprises drain pipe, and described drain pipe is connected to described fluid storage pot bottom, and is provided with valve at described drain pipe place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320350666.0U CN203420879U (en) | 2013-06-19 | 2013-06-19 | Oil and gas multiphase pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320350666.0U CN203420879U (en) | 2013-06-19 | 2013-06-19 | Oil and gas multiphase pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203420879U true CN203420879U (en) | 2014-02-05 |
Family
ID=50019978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320350666.0U Expired - Fee Related CN203420879U (en) | 2013-06-19 | 2013-06-19 | Oil and gas multiphase pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203420879U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103398008A (en) * | 2013-06-19 | 2013-11-20 | 黄山众拓工业泵制造有限公司 | Oil-gas mixture transport pump |
| CN106194718A (en) * | 2016-07-14 | 2016-12-07 | 西华大学 | A kind of fluid delivery mechanism |
-
2013
- 2013-06-19 CN CN201320350666.0U patent/CN203420879U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103398008A (en) * | 2013-06-19 | 2013-11-20 | 黄山众拓工业泵制造有限公司 | Oil-gas mixture transport pump |
| CN103398008B (en) * | 2013-06-19 | 2017-02-08 | 黄山众拓工业泵制造有限公司 | Oil-gas mixture transport pump |
| CN106194718A (en) * | 2016-07-14 | 2016-12-07 | 西华大学 | A kind of fluid delivery mechanism |
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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 |
Granted publication date: 20140205 Termination date: 20170619 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |