CN104456064A - Liquid nitrogen pump truck - Google Patents
Liquid nitrogen pump truck Download PDFInfo
- Publication number
- CN104456064A CN104456064A CN201410692197.XA CN201410692197A CN104456064A CN 104456064 A CN104456064 A CN 104456064A CN 201410692197 A CN201410692197 A CN 201410692197A CN 104456064 A CN104456064 A CN 104456064A
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- Prior art keywords
- liquid nitrogen
- oil hydraulic
- pump
- nitrogen
- container
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Abstract
The invention discloses a liquid nitrogen pump truck. The liquid nitrogen pump truck comprises a chassis, a bench engine, a hydraulic pump, a hydraulic cylinder, a plunger type cylinder, a high-pressure pipe assembly, a low-pressure pipe assembly, a liquid nitrogen container and an evaporator, wherein the bench engine is arranged on the chassis; the hydraulic pump is connected with the bench engine; the hydraulic cylinder is connected with the hydraulic pump; the plunger type cylinder is connected with the hydraulic cylinder; the high-pressure pipe assembly comprises a liquid nitrogen high-pressure pipeline and a nitrogen high-pressure pipeline for discharging gaseous nitrogen; an outlet of the liquid nitrogen container is connected with a suction inlet of the plunger type cylinder through the low-temperature pipe assembly; an inlet of the evaporator is connected with an outlet of the plunger type cylinder through the liquid nitrogen high-pressure pipeline, and an outlet of the evaporator is connected with the nitrogen high-pressure pipeline. For the liquid nitrogen pump truck, a hydraulic system is adopted to drive the plunger type cylinder, and an expensive gearbox and a liquid nitrogen plunger type pump are replaced, so that the manufacture cost of the liquid nitrogen pump truck can be reduced. In addition, the hydraulic system has the characteristic of continuity, and the stepless speed change control and accurate control can be performed on the discharging amount of the nitrogen, so that waste of nitrogen caused by step variable speed control is avoided.
Description
Technical field
The present invention relates to liquid nitrogen pump vehicle technical field.
Background technique
The features such as, good stability low based on density of nitrogen, easily compression, are widely used in drilling well at present, well cementation, perforation, mixed air pressure split, mix the field of petroleum exploitation such as gas acidifying, well workover.Particularly when rock gas and coal bed gas well are exploited in a large number, the nitrogen discharge capacity needed for construction and pressure are larger, certainly will to the equipment of nitrogen injection--and Economy, the reliability of liquid nitrogen pump vehicle are had higher requirement.But existing liquid nitrogen pump vehicle is by gearbox transferring power, and by plunger pump compressed liquid, and the cost of gearbox and plunger pump is very high, is unfavorable for that car load reduces costs.In addition, the gearbox of existing liquid nitrogen pump vehicle is step change, makes the discharge capacity of liquid nitrogen pump vehicle discontinuous, and in order to meet the construction needs of huge discharge, step change inevitably can use huge discharge gear, causes the huge waste of nitrogen like this.
Therefore, how improving for above-mentioned deficiency, more to adapt to use needs, is those skilled in the art's technical problems urgently to be resolved hurrily.
Summary of the invention
In order to overcome above-mentioned defect and the deficiency of prior art, the object of the present invention is to provide a kind of liquid nitrogen pump vehicle, it comprises chassis; Be arranged at motor on the platform on described chassis; Oil hydraulic pump, it is connected with motor on described platform; Oil hydraulic cylinder, it is connected with described oil hydraulic pump; Plunger case, it is connected with described oil hydraulic cylinder; High pressure pipe joint, it comprises liquid nitrogen high pressure line and the nitrogen high pressure line for discharging gaseous nitrogen; Low-pressure manifold; Liquid nitrogen container; And vaporizer; The outlet of described liquid nitrogen container is connected by the suction port of described low-pressure manifold with described plunger case, the import of described vaporizer is connected with the exhaust port 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 comprises the platform be arranged on described chassis and the hydraulic oil container be installed on described platform, and the filler opening of described oil hydraulic pump is connected with described hydraulic oil container.
Further, described liquid nitrogen container is arranged on described chassis.
Further, described chassis is also provided with manifold support and toolbox.
Further, liquid nitrogen pump vehicle also comprises the pressurized machine be connected with described liquid nitrogen container.
Further, described low-pressure manifold comprises the centrifugal blower-pump for providing net pressure head to described plunger case.
Further, liquid nitrogen pump vehicle also comprises the radiator for dispelling the heat to motor, described oil hydraulic pump, described oil hydraulic cylinder and described plunger case on described platform.
Further, liquid nitrogen pump vehicle comprises motor on two described platforms, six described oil hydraulic pumps, six described oil hydraulic cylinders of connection corresponding with described oil hydraulic pump and six described plunger cases being connected corresponding with described oil hydraulic cylinder, and on each described platform, motor drives three described oil hydraulic pumps respectively.
Liquid nitrogen pump vehicle provided by the present invention adopts hydraulic system to drive plunger case, instead of expensive gearbox and liquid nitrogen plunger pump, can reduce the manufacture cost of this liquid nitrogen pump vehicle.In addition, hydraulic system has that body is less, flexible arrangement, handiness, continuous print feature, stepless change control can be carried out to the discharge capacity of nitrogen, therefore, accurately can control nitrogen discharge capacity, thus avoid the waste causing nitrogen because there being pole speed Control.
Accompanying drawing explanation
The accompanying drawing forming a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Figure 1 shows that the right elevation of the liquid nitrogen pump vehicle of the embodiment of the present invention.
Figure 2 shows that the left view of the liquid nitrogen pump vehicle of the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technological scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1 and Fig. 2, the embodiment of the present invention provides a kind of liquid nitrogen pump vehicle, and it comprises chassis 1 and is arranged at motor 2, oil hydraulic pump 3, oil hydraulic cylinder 4, plunger case 5, high pressure pipe joint 6, low-pressure manifold 7, liquid nitrogen container 8 and vaporizer 9 on this One On The Chassis platform.
This chassis 1 is for the above-mentioned carrying and the transport that are arranged at element on platform.
On this platform, motor 2 is power sources that this liquid nitrogen pump vehicle discharges nitrogen, and on this platform, motor 2 is connected with this oil hydraulic pump 3, and oil hydraulic pump 3 is oily for compression hydraulic, increase pressure, for this oil hydraulic cylinder 4, this plunger case 5 provide required pressure and flow.
This oil hydraulic pump 3 is connected with this oil hydraulic cylinder 4 by hydraulic circuit, and this oil hydraulic cylinder 4 is connected with this plunger case 5 by hydraulic circuit.The hydraulic oil that the acceptance of this oil hydraulic cylinder 4 is compressed through this oil hydraulic pump 3, the plunger promoting this plunger case 5 move reciprocatingly to compress the pressure that liquid nitrogen improves liquid nitrogen.
This high pressure pipe joint 6 is for controlling the flow velocity of high-pressure liquid nitrogen, nitrogen and directional flow, and this high pressure pipe joint 6 comprises liquid nitrogen high pressure line and the nitrogen high pressure line for discharging gaseous nitrogen.
The suction port of this plunger case 5 connects this low-pressure manifold 7, and the exhaust port of this plunger case 5 connects this liquid nitrogen high pressure line.
This liquid nitrogen container 8 is 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, and that is, the outlet of this liquid nitrogen container 8 is connected with the suction port of this plunger case 5 by this low-pressure manifold 7.
This low-pressure manifold 7 includes centrifugal blower-pump, and it is for providing enough net pressure heads to this plunger case 5.
This oil hydraulic pump 3, oil hydraulic cylinder 4, plunger case 5 together form Hydraulic Power Transmission System, it is compared to gearbox of the prior art and liquid nitrogen plunger pump not only low price, but also the stepless change defined nitrogen exports controls, the nitrogen discharge capacity of liquid nitrogen pump vehicle can be made to control accurately, avoid the waste causing nitrogen because there being pole speed Control.
This vaporizer 9 becomes nitrogen at room for heating the liquid nitrogen compressed through this plunger case 5, 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.That is, the import of this vaporizer 9 is connected with the exhaust port of this plunger case 5 by this liquid nitrogen high pressure line.
When this liquid nitrogen pump vehicle carries out work, on this platform, motor 2 starts, and drive this oil hydraulic pump 3 to work, hydraulic oil is delivered to this oil hydraulic cylinder 4 by this oil hydraulic pump 3, the oil mass change of the hydraulic oil in the rod chamber of this oil hydraulic cylinder 4 and rodless cavity makes the plunger of this plunger case 5 move reciprocatingly, thus make the liquid nitrogen in liquid nitrogen container 8 enter 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 and adds thermosetting nitrogen and enter in well, as gas well, coal bed gas well by this nitrogen high pressure line in this vaporizer 9.
The chassis 1 of this liquid nitrogen pump vehicle is also provided with platform 10 and is installed on this platform 10, provide hydraulic oil for this Hydraulic Power Transmission System hydraulic oil container 11, the filler opening of this oil 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 for the installation of this hydraulic oil container 11 and location, and regular maintenance and the maintenance of this liquid nitrogen container 8, for the installation of this liquid nitrogen container 8 and location, are also convenient in this chassis 1.In addition, this chassis 1 is also provided with manifold support and toolbox, this manifold support is used for depositing of high pressure pipe joint 6, and this toolbox is used for depositing of driver's tool article.
In order to make this liquid nitrogen container 8 more stably provide low pressure liquid nitrogen to this plunger case 5, the liquid nitrogen pump vehicle that the embodiment of the present invention provides can also comprise pressurized machine, and its import and row's mouth are connected with this liquid nitrogen container 8.This pressurized machine be used for this liquid nitrogen container 8 from supercharging, its working principle is partly discharged by the liquid nitrogen in this liquid nitrogen container 8, carries out heat exchange by the air in this pressurized machine and air, thus by liquid nitrogen vaporization, nitrogen after vaporization is got back in this liquid nitrogen container 8, thus increases the pressure of this liquid nitrogen container 8.
In order to reduce the heat produced when motor 2 on this platform, this oil hydraulic pump 3, oil hydraulic cylinder 4 and plunger case 5 work, increase work efficiency, the liquid nitrogen pump vehicle that the embodiment of the present invention provides can also comprise the radiator for dispelling the heat to motor on platform 2, oil hydraulic pump 3, oil hydraulic cylinder 4 and plunger case 5.
Invention it should be noted that, Fig. 1 and Fig. 2 is owing to being only right elevation 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 comprises six oil hydraulic cylinders 4 of motor 2, six oil hydraulic pumps 3, connection corresponding with oil hydraulic pump 3 on two platforms and six plunger cases 5 being connected corresponding with oil hydraulic cylinder 4, and on each platform, motor 2 drives three oil hydraulic pumps 3 respectively.When adopting the structure of six plunger cases 5 that plunger case 5 can be made to work, liquid nitrogen pressure pulsation is less, is conducive to this liquid nitrogen pump vehicle and stably runs.
The liquid nitrogen pump vehicle that the embodiment of the present invention provides adopts Hydraulic Power Transmission System to drive plunger case, instead of expensive gearbox and liquid nitrogen plunger pump, can reduce the manufacture cost of this liquid nitrogen pump vehicle.In addition, hydraulic system has that body is less, flexible arrangement, handiness, continuous print feature, stepless change control can be carried out to the discharge capacity of nitrogen, therefore, accurately can control nitrogen discharge capacity, thus avoid the waste causing nitrogen because there being pole speed Control.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a liquid nitrogen pump vehicle, is characterized in that, described liquid nitrogen pump vehicle comprises:
Chassis (1);
Be arranged at motor (2) on the platform on described chassis (1);
Oil hydraulic pump (3), it is connected with motor (2) on described platform;
Oil hydraulic cylinder (4), it is connected with described oil hydraulic pump (3);
Plunger case (5), it is connected with described oil hydraulic cylinder (4);
High pressure pipe joint (6), it comprises liquid nitrogen high pressure line and the nitrogen high pressure line for discharging 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 port of described low-pressure manifold (7) with described plunger case (5), the import of described vaporizer (9) is connected by the exhaust port 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 comprise the platform (10) be arranged on described chassis (1) and the hydraulic oil container (11) be installed on described platform (10), the filler opening of described oil hydraulic pump (3) is connected with described hydraulic oil container (11).
3. liquid nitrogen pump vehicle according to claim 2, is characterized in that, described liquid nitrogen container (8) is arranged on described chassis (1).
4. liquid nitrogen pump vehicle according to claim 3, is characterized in that, (1) is also provided with manifold support and toolbox on described chassis.
5. liquid nitrogen pump vehicle according to claim 1, is characterized in that, also comprises the pressurized machine be connected with described liquid nitrogen container (8).
6. liquid nitrogen pump vehicle according to claim 6, is characterized in that, described low-pressure manifold (7) comprises the centrifugal blower-pump for providing net pressure head to described plunger case (5).
7. liquid nitrogen pump vehicle according to claim 1, it is characterized in that, also comprising the radiator (20) for dispelling the heat to motor (2), described oil hydraulic pump (3), described oil hydraulic cylinder (4) and described plunger case (5) on described platform.
8. liquid nitrogen pump vehicle according to claim 1, it is characterized in that, it comprise motor (2) on two described platforms, six described oil hydraulic pumps (3), with six described oil hydraulic cylinders (4) of described oil hydraulic pump (3) corresponding connection and six described plunger cases (5) being connected corresponding with described oil hydraulic cylinder (4), on each described platform, motor (2) drives three described oil 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 true CN104456064A (en) | 2015-03-25 |
| CN104456064B CN104456064B (en) | 2016-07-13 |
Family
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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 |
Country Status (1)
| Country | Link |
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| CN (1) | CN104456064B (en) |
Cited By (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 |
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| 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 |
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| 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 |
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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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| 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 |
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| Publication number | Publication date |
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| CN104456064B (en) | 2016-07-13 |
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| Date | Code | Title | Description |
|---|---|---|---|
| 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 | ||
| 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. |