CN203628271U - Supporting plunger pump prying apparatus for conversion of liquefied natural gas to high pressure natural gas - Google Patents
Supporting plunger pump prying apparatus for conversion of liquefied natural gas to high pressure natural gas Download PDFInfo
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- CN203628271U CN203628271U CN201320806947.2U CN201320806947U CN203628271U CN 203628271 U CN203628271 U CN 203628271U CN 201320806947 U CN201320806947 U CN 201320806947U CN 203628271 U CN203628271 U CN 203628271U
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- plunger pump
- natural gas
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Abstract
A supporting plunger pump prying apparatus for conversion of liquefied natural gas to high pressure natural gas comprises a plunger pump prying pipeline, an anti-explosive wiring box, a prying-mounted base plate and a case body, wherein the plunger pump pipeline is formed by a low pressure liquid inlet pipe, a low pressure pneumatic shut-off valve, a plunger pump, a high pressure stop valve, a high pressure check valve and a high pressure liquid outlet pipe; a high pressure pipeline between an outlet of the plunger pump and a high pressure stop valve is provided with a high pressure safety valve, a pressure transmitter, a pressure gauge and a temperature transmitter (a); the plunger pump is provided with a liquid returning pipeline; the liquid returning pipeline is provided with a temperature transmitter (b), the low pressure safety valve and the low pressure stop valve; the anti-explosive wiring box is respectively connected with the low pressure pneumatic shut-off valve, the plunger pump, the pressure transmitter and the temperature transmitter; and the plunger pump, a connecting pipeline and the anti-explosive box are all fastened on the square prying-mounted base plate. The supporting plunger pump prying apparatus for conversion of liquefied natural gas to high pressure natural gas is advantageous in that the plunger pump prying apparatus is simply structured with low cost and safe and reliable operation; high pressure CNG can be conveniently provided; and the supporting plunger pump prying apparatus is suitable for places lack of pipeline natural gas.
Description
(1) technical field
The utility model relates to LNG Liquefied natural gas and is converted into high-pressure natural gas (L-CNG) corollary equipment, and particularly a kind of LNG Liquefied natural gas transforms that high-pressure natural gas is supporting to be put with plunger pump skid.
(2) background technique
Along with China adopts the continuous increase of high-pressure natural gas (CNG) as the auto output of power source, cause the demand of CNG source of the gas constantly to rise.But the area that there is no pipe natural gas for some cannot provide high pressure CNG by CNG compressor.Cause cost greatly to raise if prize car transfer gas cognition by CNG, installation is inconvenient, place takies ground and strengthens, and adopts means of transportation also to have potential safety hazard.
(3) model utility content
The purpose of this utility model is for above-mentioned existing problems, provides a kind of simple in structure, LNG Liquefied natural gas that cost is low, safe and reliable to operation to transform that high-pressure natural gas is supporting to be put with plunger pump skid.
The technical solution of the utility model:
A kind of LNG Liquefied natural gas transforms that high-pressure natural gas is supporting to be put with plunger pump skid, formed by plunger pump pipeline, anti-explosion terminal box and skid chassis and casing, plunger pump pipeline comprises low pressure liquid inlet pipe, low-pressure pneumatic cut-off valve, plunger pump, high-pressure stop valve, high-pressure check valve and high pressure drain pipe and is connected in series by pipeline, is provided with high-pressure safety valve, pressure transmitter, pressure gauge and temperature transmitter a on the high pressure pipe line between outlet of plunger pump and high-pressure stop valve; Plunger pump is provided with liquid return pipe road, and liquid return pipe road is provided with temperature transmitter b, low-pressure safety valve and low-pressure shutoff valve and returns to liquefied natural gas (LNG) tank by low pressure muffler; Anti-explosion terminal box is connected with low-pressure pneumatic cut-off valve, plunger pump, pressure transmitter, temperature transmitter a and temperature transmitter b respectively by wire; Plunger pump and connecting pipeline and anti-explosion terminal box are all fixed on square skid chassis and by rectangular-shaped frame posture ceiling casing and hide, and four jiaos of skid chassis are provided with four Lift hooks.
The utility model has the advantages that: this plunger pump skid interposed structure is simple, cost is low, safe and reliable to operation, use transforming high-pressure natural gas matched with devices with LNG Liquefied natural gas after LNG Liquefied natural gas pressure-raising, high pressure CNG can be provided easily, and being applicable to some does not have the place of pipe natural gas.
(4) accompanying drawing explanation
Accompanying drawing is put schematic diagram for this plunger pump skid.
In figure: 1. low pressure liquid entering hole 2. low-pressure pneumatic cut-off valve 3. plunger pump 4. high-pressure safety valve 5. pressure transmitter 6. pressure gauge 7. temperature transmitter a8. high-pressure stop valve 9. high-pressure check valve 10. anti-explosion terminal box 11. temperature transmitter b12. Lift hook 13. low-pressure shutoff valve 14. low pressure muffler 15. low-pressure safety valve 16. skid chassis 17. high pressure liquid outlets
(5) embodiment
A kind of LNG Liquefied natural gas transforms that high-pressure natural gas is supporting to be put with plunger pump skid, formed by plunger pump pipeline, anti-explosion terminal box and skid chassis and casing, plunger pump pipeline comprises low pressure liquid inlet pipe 1, low-pressure pneumatic cut-off valve 2, plunger pump 3, high-pressure stop valve 8, high-pressure check valve 9 and high pressure drain pipe 17 and is connected in series by pipeline, on the high pressure pipe line between plunger pump 3 outlets and high-pressure stop valve 8, is provided with high-pressure safety valve 4, pressure transmitter 5, pressure gauge 6 and temperature transmitter a7; Plunger pump 3 is provided with liquid return pipe road, and liquid return pipe road is provided with temperature transmitter b11, low-pressure safety valve 15 and low-pressure shutoff valve 13 and returns to liquefied natural gas (LNG) tank by low pressure muffler 14; Anti-explosion terminal box 10 is connected with low-pressure pneumatic cut-off valve 2, plunger pump 3, pressure transmitter 5, temperature transmitter a7 and temperature transmitter b11 respectively by wire; Plunger pump 3 and connecting pipeline and anti-explosion terminal box 10 are all fixed on square skid chassis 16 and by rectangular-shaped frame posture ceiling casing and hide, and four jiaos of skid chassis 16 are provided with four Lift hooks 12.
In this embodiment, plunger pump model is T209 flow 2000L/h; Low-pressure pneumatic cut-off valve model is DJ661F-40P; Low-pressure shutoff valve model is DJ61F-40P; High-pressure stop valve model is DJ61F-320P.
This plunger pump skid is put with LNG Liquefied natural gas and is transformed the use of high-pressure natural gas matched with devices, and liquefied natural gas (LNG) tank is 5-100 cube, and flow hourly can reach 1000-3000L, and effect is good.
Claims (1)
1. a LNG Liquefied natural gas transforms that high-pressure natural gas is supporting to be put with plunger pump skid, it is characterized in that: formed by plunger pump pipeline, anti-explosion terminal box and skid chassis and casing, plunger pump pipeline comprises low pressure liquid inlet pipe, low-pressure pneumatic cut-off valve, plunger pump, high-pressure stop valve, high-pressure check valve and high pressure drain pipe and is connected in series by pipeline, is provided with high-pressure safety valve, pressure transmitter, pressure gauge and temperature transmitter a on the high pressure pipe line between outlet of plunger pump and high-pressure stop valve; Plunger pump is provided with liquid return pipe road, and liquid return pipe road is provided with temperature transmitter b, low-pressure safety valve and low-pressure shutoff valve and returns to liquefied natural gas (LNG) tank by low pressure muffler; Anti-explosion terminal box is connected with low-pressure pneumatic cut-off valve, plunger pump, pressure transmitter, temperature transmitter a and temperature transmitter b respectively by wire; Plunger pump and connecting pipeline and anti-explosion terminal box are all fixed on square skid chassis and by rectangular-shaped frame posture ceiling casing and hide, and four jiaos of skid chassis are provided with four Lift hooks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320806947.2U CN203628271U (en) | 2013-12-06 | 2013-12-06 | Supporting plunger pump prying apparatus for conversion of liquefied natural gas to high pressure natural gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320806947.2U CN203628271U (en) | 2013-12-06 | 2013-12-06 | Supporting plunger pump prying apparatus for conversion of liquefied natural gas to high pressure natural gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203628271U true CN203628271U (en) | 2014-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320806947.2U Expired - Fee Related CN203628271U (en) | 2013-12-06 | 2013-12-06 | Supporting plunger pump prying apparatus for conversion of liquefied natural gas to high pressure natural gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203628271U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561750A (en) * | 2018-06-26 | 2018-09-21 | 杰瑞(天津)石油工程技术有限公司 | A kind of L-CNG loading systems |
| CN109027662A (en) * | 2018-07-12 | 2018-12-18 | 杰瑞石油天然气工程有限公司 | A kind of LNG/L-CNG Qiao Zhuan gas station |
| CN109915356A (en) * | 2019-04-23 | 2019-06-21 | 张军 | A kind of oil-field flooding high-pressure plunger pump skid-mounted device |
| CN109915731A (en) * | 2019-04-02 | 2019-06-21 | 中国石油工程建设有限公司 | A kind of big drop lpg pipeline pressure protective system and method |
| CN111981322A (en) * | 2020-08-11 | 2020-11-24 | 天津华迈环保设备有限公司 | Liquefied petroleum gas pressurization conveying system |
-
2013
- 2013-12-06 CN CN201320806947.2U patent/CN203628271U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561750A (en) * | 2018-06-26 | 2018-09-21 | 杰瑞(天津)石油工程技术有限公司 | A kind of L-CNG loading systems |
| CN109027662A (en) * | 2018-07-12 | 2018-12-18 | 杰瑞石油天然气工程有限公司 | A kind of LNG/L-CNG Qiao Zhuan gas station |
| CN109915731A (en) * | 2019-04-02 | 2019-06-21 | 中国石油工程建设有限公司 | A kind of big drop lpg pipeline pressure protective system and method |
| CN109915731B (en) * | 2019-04-02 | 2024-01-26 | 中国石油工程建设有限公司 | Pressure protection system and method for large-drop liquefied petroleum gas pipeline |
| CN109915356A (en) * | 2019-04-23 | 2019-06-21 | 张军 | A kind of oil-field flooding high-pressure plunger pump skid-mounted device |
| CN109915356B (en) * | 2019-04-23 | 2021-03-02 | 黄山君润油田装备制造有限公司 | Skid-mounted device of high-pressure plunger pump for oilfield water injection |
| CN111981322A (en) * | 2020-08-11 | 2020-11-24 | 天津华迈环保设备有限公司 | Liquefied petroleum gas pressurization conveying system |
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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: 20140604 Termination date: 20161206 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |