CN104456064B - Liquid nitrogen pump vehicle - Google Patents
Liquid nitrogen pump vehicle Download PDFInfo
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- CN104456064B CN104456064B CN201410692197.XA CN201410692197A CN104456064B CN 104456064 B CN104456064 B CN 104456064B CN 201410692197 A CN201410692197 A CN 201410692197A CN 104456064 B CN104456064 B CN 104456064B
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- liquid nitrogen
- pump
- nitrogen
- hydraulic
- high pressure
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Abstract
The present invention proposes a kind of liquid nitrogen pump vehicle, including chassis；It is arranged at electromotor on the platform on chassis；Hydraulic pump, is connected with electromotor on platform；Hydraulic cylinder, is connected with hydraulic pump；Plunger case, is connected with hydraulic cylinder；High pressure pipe joint, including liquid nitrogen high pressure line and for discharging the nitrogen high pressure line of gaseous nitrogen；Low-pressure manifold；Liquid nitrogen container；And vaporizer；The outlet of liquid nitrogen container is connected with the suction inlet of plunger case by low-pressure manifold, and the import of vaporizer is connected with the outlet of plunger case by liquid nitrogen high pressure line, and the outlet of vaporizer is connected with nitrogen high pressure line.This liquid nitrogen pump vehicle adopts hydraulic system that plunger case is driven, and instead of expensive change speed gear box and liquid nitrogen plunger displacement pump, it is possible to decrease the manufacturing cost of this liquid nitrogen pump vehicle.It addition, hydraulic system has continuous print feature, the discharge capacity of nitrogen can be carried out infinitely variable speeds control, nitrogen discharge capacity can be accurately controlled, thus avoiding the waste causing nitrogen because there being pole speed Control.
Description
Technical field
The present invention relates to liquid nitrogen pump vehicle technical field.
Background technology
, good stability low based on density of nitrogen, the feature such as compressible, be now widely used for drilling well, the field of petroleum exploitation such as well cementation, perforation, mixed air pressure split, mixed gas acidifying, well workover.Particularly when natural gas and coal bed gas well are exploited in a large number, nitrogen discharge capacity and pressure that construction is required are bigger, certainly will to the equipment of nitrogen injection--and the economy of liquid nitrogen pump vehicle, reliability are had higher requirement.But, existing liquid nitrogen pump vehicle is to transmit power by change speed gear box, and by plunger displacement pump compressed liquid, and change speed gear box and plunger displacement pump is costly, is unfavorable for that car load reduces cost.It addition, the change speed gear box of existing liquid nitrogen pump vehicle is step speed change so that the discharge capacity of liquid nitrogen pump vehicle is discontinuous, in order to meet the construction needs of huge discharge, step speed change can inevitably use huge discharge gear, so causes the huge waste of nitrogen.
Therefore, how to improve for above-mentioned deficiency, in order to more adapt to use needs, be those skilled in the art's technical problems urgently to be resolved hurrily.
Summary of the invention
In order to overcome drawbacks described above and the deficiency of prior art, it is an object of the invention to provide a kind of liquid nitrogen pump vehicle, it includes chassis；It is arranged on the platform on described chassis electromotor；Hydraulic pump, it is connected with electromotor on described platform；Hydraulic cylinder, it is connected with described hydraulic pump；Plunger case, it is connected with described hydraulic cylinder；High pressure pipe joint, it includes liquid nitrogen high pressure line and for discharging the nitrogen high pressure line of gaseous nitrogen；Low-pressure manifold；Liquid nitrogen container；And vaporizer；The outlet of described liquid nitrogen container is connected by the suction inlet of described low-pressure manifold with described plunger case, the import of described vaporizer is connected with the outlet of described plunger case by described liquid nitrogen high pressure line, and the outlet of described vaporizer is connected with described nitrogen high pressure line.
Further, liquid nitrogen pump vehicle also includes the platform that is arranged on described chassis and is installed on the hydraulic oil container on described platform, and the oil-in of described hydraulic pump is connected with described hydraulic oil container.
Further, described liquid nitrogen container is arranged on described chassis.
Further, described chassis is additionally provided with manifold support and workbox.
Further, liquid nitrogen pump vehicle also includes the supercharger that is connected with described liquid nitrogen container.
Further, described low-pressure manifold includes the centrifugal blower-pump for described plunger case provides net pressure head.
Further, liquid nitrogen pump vehicle also includes the radiator for electromotor, described hydraulic pump, described hydraulic cylinder and described plunger case on described platform are dispelled the heat.
Further, liquid nitrogen pump vehicle includes electromotor on two described platforms, six described hydraulic cylinders of six described hydraulic pump connections corresponding with described hydraulic pump and six described plunger cases being connected corresponding with described hydraulic cylinder, and on each described platform, electromotor drives three described hydraulic pumps respectively.
Liquid nitrogen pump vehicle provided by the present invention adopts hydraulic system that plunger case is driven, and instead of expensive change speed gear box and liquid nitrogen plunger displacement pump, it is possible to decrease the manufacturing cost of this liquid nitrogen pump vehicle.Additionally, hydraulic system has that body is less, flexible arrangement, handiness, continuous print feature, it is possible to the discharge capacity of nitrogen is carried out infinitely variable speeds control, therefore, nitrogen discharge capacity can be accurately controlled, thus avoiding the waste causing nitrogen because there being pole speed Control.
Accompanying drawing explanation
The accompanying drawing constituting the part of the present invention is used for providing a further understanding of the present invention, and the schematic description and description of the present invention is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 show the right view of the liquid nitrogen pump vehicle of the embodiment of the present invention.
Fig. 2 show the left view of the liquid nitrogen pump vehicle of the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
Referring to Fig. 1 and Fig. 2, the embodiment of the present invention provides a kind of liquid nitrogen pump vehicle, and it includes chassis 1 and is arranged on this One On The Chassis platform electromotor 2, hydraulic pump 3, hydraulic cylinder 4, plunger case 5, high pressure pipe joint 6, low-pressure manifold 7, liquid nitrogen container 8 and vaporizer 9.
This chassis 1 is for the above-mentioned carrying being arranged on platform element and transport.
On this platform, electromotor 2 is the power source that this liquid nitrogen pump vehicle discharges nitrogen, and on this platform, electromotor 2 is connected with this hydraulic pump 3, and hydraulic pump 3, for compression hydraulic oil, increase pressure, provides required pressure and flow for this hydraulic cylinder 4, this plunger case 5.
This hydraulic pump 3 is connected with this hydraulic cylinder 4 by hydraulic circuit, and this hydraulic cylinder 4 is connected with this plunger case 5 by hydraulic circuit.This hydraulic cylinder 4 accepts the hydraulic oil through the compression of this hydraulic pump 3, promotes the plunger of this plunger case 5 to move reciprocatingly to compress the pressure of liquid nitrogen raising liquid nitrogen.
This high pressure pipe joint 6 is for being controlled high-pressure liquid nitrogen, the flow velocity of nitrogen and directional flow, and this high pressure pipe joint 6 includes liquid nitrogen high pressure line and for discharging the nitrogen high pressure line of gaseous nitrogen.
The suction inlet of this plunger case 5 connects this low-pressure manifold 7, and the outlet of this plunger case 5 connects this liquid nitrogen high pressure line.
This liquid nitrogen container 8 is used for storing liquid nitrogen and providing low pressure liquid nitrogen to this plunger case 5, and the outlet of this liquid nitrogen container 8 is connected with this low-pressure manifold 7, say, that the outlet of this liquid nitrogen container 8 is connected with the suction inlet of this plunger case 5 by this low-pressure manifold 7.
This low-pressure manifold 7 includes centrifugal blower-pump, and it for providing enough net pressure head to this plunger case 5.
This hydraulic pump 3, hydraulic cylinder 4, plunger case 5 together form Hydraulic Power Transmission System, it is compared to change speed gear box of the prior art and liquid nitrogen plunger displacement pump not only low price, but also define the infinitely variable speeds to nitrogen output and control, the nitrogen discharge capacity that can make liquid nitrogen pump vehicle is accurately controlled, it is to avoid cause the waste of nitrogen because there being pole speed Control.
This vaporizer 9 becomes nitrogen at room for the liquid nitrogen heated through this plunger case 5 compression, and the import of this vaporizer 9 is connected with this liquid nitrogen high pressure line, and the outlet of this vaporizer 9 is connected with this nitrogen high pressure line.It is to say, the import of this vaporizer 9 is connected with the outlet of this plunger case 5 by this liquid nitrogen high pressure line.
When this liquid nitrogen pump vehicle is operated, on this platform, electromotor 2 starts, and drive this hydraulic pump 3 to work, hydraulic oil is delivered to this hydraulic cylinder 4 by this hydraulic pump 3, the oil mass change of the hydraulic oil in the rod chamber of this hydraulic cylinder 4 and rodless cavity makes the plunger of this plunger case 5 move reciprocatingly, so that the liquid nitrogen in liquid nitrogen container 8 enters this plunger case 5 by this low-pressure manifold 7, after this plunger case 5 supercharging, liquid nitrogen is entered in this vaporizer 9 by this liquid nitrogen high pressure line.Liquid nitrogen passes through in this vaporizer 9 and is thermally formed nitrogen and enters in well by this nitrogen high pressure line, such as the natural gas well, coal bed gas well.
Being additionally provided with platform 10 on the chassis 1 of this liquid nitrogen pump vehicle and be installed on hydraulic oil container 11 on this platform 10, provide hydraulic oil for this Hydraulic Power Transmission System, the oil-in of this hydraulic pump 3 is connected with this hydraulic oil container 11.This liquid nitrogen container 8 is arranged on this chassis 1.This platform 10 is used for installation and the location of this hydraulic oil container 11, and this chassis 1 is used for installation and the location of this liquid nitrogen container 8, also allows for regular maintenance and the maintenance of this liquid nitrogen container 8.It addition, be additionally provided with manifold support and workbox on this chassis 1, this manifold support is deposited for high pressure pipe joint 6, and this workbox is deposited for driver's tool article.
In order to make the liquid nitrogen pump vehicle that this liquid nitrogen container 8 more stably provides low pressure liquid nitrogen, the embodiment of the present invention to provide to this plunger case 5 can also include supercharger, its import and row's mouth are connected with this liquid nitrogen container 8.This supercharger for this liquid nitrogen container 8 from supercharging, its operation principle is partly to be discharged by the liquid nitrogen in this liquid nitrogen container 8, carries out heat exchange by this supercharger with the air in air, thus by liquid nitrogen vaporization, nitrogen after vaporization returns in this liquid nitrogen container 8, thus increasing the pressure of this liquid nitrogen container 8.
In order to reduce the heat produced when electromotor 2 on this platform, this hydraulic pump 3, hydraulic cylinder 4 and plunger case 5 work, improving work efficiency, the liquid nitrogen pump vehicle that the embodiment of the present invention provides could be included for the radiator that electromotor on platform 2, hydraulic pump 3, hydraulic cylinder 4 and plunger case 5 are dispelled the heat.
Invention it should be noted that, Fig. 1 and Fig. 2 is owing to being only right view and left view, therefore the quantity of each element of this liquid nitrogen pump vehicle can not be shown all sidedly, in embodiments of the present invention, this liquid nitrogen pump vehicle includes six hydraulic cylinders 4 of 2, six hydraulic pump 3 connections corresponding with hydraulic pump 3 of electromotor on two platforms and six plunger cases 5 being connected corresponding with hydraulic cylinder 4, and on each platform, electromotor 2 drives three hydraulic pumps 3 respectively.When the structure adopting six plunger cases 5 can make plunger case 5 work, liquid nitrogen pressure fluctuation is less, is conducive to this liquid nitrogen pump vehicle stably to run.
The liquid nitrogen pump vehicle that the embodiment of the present invention provides adopts Hydraulic Power Transmission System that plunger case is driven, and instead of expensive change speed gear box and liquid nitrogen plunger displacement pump, it is possible to decrease the manufacturing cost of this liquid nitrogen pump vehicle.Additionally, hydraulic system has that body is less, flexible arrangement, handiness, continuous print feature, it is possible to the discharge capacity of nitrogen is carried out infinitely variable speeds control, therefore, nitrogen discharge capacity can be accurately controlled, thus avoiding the waste causing nitrogen because there being pole speed Control.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (8)
1. a liquid nitrogen pump vehicle, it is characterised in that described liquid nitrogen pump vehicle includes:
Chassis (1)；
It is arranged on the platform on described chassis (1) electromotor (2)；
Hydraulic pump (3), it is connected with electromotor (2) on described platform；
Hydraulic cylinder (4), it is connected with described hydraulic pump (3)；
Plunger case (5), it is connected with described hydraulic cylinder (4)；
High pressure pipe joint (6), it includes liquid nitrogen high pressure line and for discharging the nitrogen high pressure line of gaseous nitrogen；
Low-pressure manifold (7)；
Liquid nitrogen container (8)；And
Vaporizer (9)；
The outlet of described liquid nitrogen container (8) is connected by the suction inlet of described low-pressure manifold (7) with described plunger case (5), the import of described vaporizer (9) is connected by the outlet of described liquid nitrogen high pressure line with described plunger case (5), and the outlet of described vaporizer (9) is connected with described nitrogen high pressure line.
2. liquid nitrogen pump vehicle according to claim 1, it is characterized in that, also including the platform (10) being arranged on described chassis (1) and the hydraulic oil container (11) being installed on described platform (10), the oil-in of described hydraulic pump (3) is connected with described hydraulic oil container (11).
3. liquid nitrogen pump vehicle according to claim 2, it is characterised in that described liquid nitrogen container (8) is arranged on described chassis (1).
4. liquid nitrogen pump vehicle according to claim 3, it is characterised in that described chassis is additionally provided with manifold support and workbox on (1).
5. liquid nitrogen pump vehicle according to claim 1, it is characterised in that also include the supercharger being connected with described liquid nitrogen container (8).
6. liquid nitrogen pump vehicle according to claim 1, it is characterised in that described low-pressure manifold (7) includes the centrifugal blower-pump for described plunger case (5) provides net pressure head.
7. liquid nitrogen pump vehicle according to claim 1, it is characterized in that, also include the radiator (20) for electromotor (2), described hydraulic pump (3), described hydraulic cylinder (4) and described plunger case (5) on described platform are dispelled the heat.
8. liquid nitrogen pump vehicle according to claim 1, it is characterized in that, it includes electromotor (2) on two described platforms, six described hydraulic pumps (3) and six described hydraulic cylinders (4) of described hydraulic pump (3) corresponding connection and six described plunger cases (5) being connected corresponding with described hydraulic cylinder (4), and on each described platform, electromotor (2) drives three described hydraulic pumps (3) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410692197.XA CN104456064B (en) | 2014-11-26 | 2014-11-26 | Liquid nitrogen pump vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410692197.XA CN104456064B (en) | 2014-11-26 | 2014-11-26 | Liquid nitrogen pump vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104456064A CN104456064A (en) | 2015-03-25 |
| CN104456064B true CN104456064B (en) | 2016-07-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410692197.XA Active CN104456064B (en) | 2014-11-26 | 2014-11-26 | Liquid nitrogen pump vehicle |
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| CN (1) | CN104456064B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105090741A (en) * | 2015-09-02 | 2015-11-25 | 三一重型能源装备有限公司 | Liquid nitrogen pump casting device and liquid nitrogen pump truck |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201190893Y (en) * | 2008-02-19 | 2009-02-04 | 烟台杰瑞石油服务集团股份有限公司 | Direct combustion type liquid nitrogen pump skid |
| CN201190892Y (en) * | 2008-02-14 | 2009-02-04 | 烟台杰瑞石油服务集团股份有限公司 | Thermal recovery type liquid nitrogen pump skid |
| CN201672250U (en) * | 2010-06-09 | 2010-12-15 | 中国石油天然气集团公司 | Liquid nitrogen prizing pump |
| CN202144943U (en) * | 2011-07-25 | 2012-02-15 | 烟台杰瑞石油装备技术有限公司 | Liquid nitrogen pump skid |
| CN202149354U (en) * | 2011-07-20 | 2012-02-22 | 烟台杰瑞石油装备技术有限公司 | Liquid nitrogen car |
| WO2013141096A1 (en) * | 2012-03-23 | 2013-09-26 | エア・ウォーター株式会社 | Liquid-gas transport vehicle |
| CN204387674U (en) * | 2014-11-26 | 2015-06-10 | 三一重型能源装备有限公司 | Liquid nitrogen pump vehicle |
-
2014
- 2014-11-26 CN CN201410692197.XA patent/CN104456064B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201190892Y (en) * | 2008-02-14 | 2009-02-04 | 烟台杰瑞石油服务集团股份有限公司 | Thermal recovery type liquid nitrogen pump skid |
| CN201190893Y (en) * | 2008-02-19 | 2009-02-04 | 烟台杰瑞石油服务集团股份有限公司 | Direct combustion type liquid nitrogen pump skid |
| CN201672250U (en) * | 2010-06-09 | 2010-12-15 | 中国石油天然气集团公司 | Liquid nitrogen prizing pump |
| CN202149354U (en) * | 2011-07-20 | 2012-02-22 | 烟台杰瑞石油装备技术有限公司 | Liquid nitrogen car |
| CN202144943U (en) * | 2011-07-25 | 2012-02-15 | 烟台杰瑞石油装备技术有限公司 | Liquid nitrogen pump skid |
| WO2013141096A1 (en) * | 2012-03-23 | 2013-09-26 | エア・ウォーター株式会社 | Liquid-gas transport vehicle |
| CN204387674U (en) * | 2014-11-26 | 2015-06-10 | 三一重型能源装备有限公司 | Liquid nitrogen pump vehicle |
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| CN104456064A (en) | 2015-03-25 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20161219 Address after: 102206 South Beijing city of Changping District science and Technology Park 31 manufacturing center of Beijing Liu Lu Li Patentee after: 31 petroleum Intelligent Equipment Co., Ltd. Address before: 102206 Changping District City, North Road, Beijing, the 31 Industrial Park Patentee before: SANY HEAVY ENERGY EQUIPMENT CO., LTD. |
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| TR01 | Transfer of patent right |