CN205026397U - Take liquefied natural gas supercharging device of plunger pump - Google Patents
Take liquefied natural gas supercharging device of plunger pump Download PDFInfo
- Publication number
- CN205026397U CN205026397U CN201520712824.1U CN201520712824U CN205026397U CN 205026397 U CN205026397 U CN 205026397U CN 201520712824 U CN201520712824 U CN 201520712824U CN 205026397 U CN205026397 U CN 205026397U
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- CN
- China
- Prior art keywords
- plunger pump
- low temperature
- natural gas
- liquefied natural
- model
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a take liquefied natural gas supercharging device of plunger pump, the device include plunger pump turbocharging system and plunger pump air return system, plunger pump turbocharging system includes the plunger pump export on left plunger pump inlet and right side, has connected gradually low temperature quick action emergency valve a, low temperature plunger pump, low temperature check valve a, thermometer a, temperature transmitter a, manometer, pressure transmitter, relief valve an and low temperature quick action emergency valve b through the pipeline between inlet and export, the plunger pump air return system includes left plunger pump return -air mouth to reach the low temperature quick action emergency valve c, relief valve c, thermometer c, temperature transmitter c and the low temperature check valve c that connect gradually through the pipeline, low temperature check valve c's inlet pipe and low temperature plunger pump are connected. The utility model discloses a skid - mounted structure collects plunger pump, safe diffusing in an organic whole, compact structure, and the investment cost is low, strong adaptability, user convenient to use.
Description
Technical field
The utility model belongs to liquefied natural gas facility technical field, specifically a kind of LNG Liquefied natural gas supercharging device with plunger pump.
Background technique
What generally adopt for LNG Liquefied natural gas pressurization system at present is the mode that storage tank pressurized machine carries out supercharging, and internal system only has supercharging liquid pipe, supercharging gas phase pipeline and function of increasing pressure.The major defect wherein existed is, pressurization can cause the temperature of LNG Liquefied natural gas higher, but pressure is lower, is unfavorable for storage and the use in downstream.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, and proposes a kind of LNG Liquefied natural gas supercharging device with plunger pump.
The utility model solves its technical problem and takes following technological scheme to realize:
With a LNG Liquefied natural gas supercharging device for plunger pump, this device comprises plunger pump pressurization system and plunger pump air return system, and plunger pump pressurization system and plunger pump air return system are fixedly mounted on rectangular plant bottom case respectively;
Wherein, plunger pump pressurization system comprises the plunger pump liquid entering hole in left side and the outlet of plunger pump on right side further, between plunger pump liquid entering hole and outlet of plunger pump, be connected with low temperature Emergeny Cutoff Valves a, low temperature plunger pump, low temperature safety check a, thermometer a, temperature transmitter a, pressure gauge, pressure transmitter, safety valve a and low temperature Emergeny Cutoff Valves b in turn from left to right by pipeline;
Wherein, plunger pump air return system comprises the plunger pump gas returning port in left side further, and low temperature Emergeny Cutoff Valves c, the safety valve c to be connected successively from left to right by pipeline, thermometer c, temperature transmitter c and low temperature safety check c, the inlet pipe of low temperature safety check c is connected with low temperature plunger pump.
And described low temperature plunger Type of pump is 30m
3/ h.
And in whole device, the model that all low temperature safety check adopt is DJ61F-40P, and diameter is between 40mm-50mm; The model of safety valve is DA21F-40P, and diameter is 15mm.
Advantage of the present utility model and good effect are:
The utility model adopts skid structure, and integrate plunger pump, safety is diffused, compact structure, investment cost is low, strong adaptability, and user is easy to use.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Implement to be further described to the utility model below in conjunction with accompanying drawing, following examples are descriptive, are not determinate, can not limit protection domain of the present utility model with this.
With a LNG Liquefied natural gas supercharging device for plunger pump, as shown in Figure 1, this device comprises plunger pump pressurization system and plunger pump air return system, and plunger pump pressurization system and plunger pump air return system are fixedly mounted on rectangular plant bottom case 18 respectively;
Wherein, plunger pump pressurization system comprises the plunger pump liquid entering hole 2 in left side and the outlet of plunger pump 17 on right side further, between plunger pump liquid entering hole and plunger pump liquid outlet, be connected with low temperature Emergeny Cutoff Valves a1, low temperature plunger pump 9, low temperature safety check a10, thermometer a11, temperature transmitter a12, pressure gauge 13, pressure transmitter 14, safety valve a15 and low temperature Emergeny Cutoff Valves b16 in turn from left to right by pipeline;
Wherein, plunger pump air return system comprises the plunger pump gas returning port 4 in left side further, and low temperature Emergeny Cutoff Valves c3, the safety valve c5 to be connected successively from left to right by pipeline, thermometer c6, temperature transmitter c7 and low temperature safety check c8, the inlet pipe of low temperature safety check c is connected with low temperature plunger pump.
In concrete enforcement of the present utility model, described plunger pump can provide the LNG Liquefied natural gas of high pressure low temperature to be transported to downstream, and plunger pump model is 30m
3/ h.
In concrete enforcement of the present utility model, the model that described low temperature safety check adopts is DJ61F-40P, and diameter is 50 and 40mm; The model of safety valve is DA21F-40P, and diameter is 15mm.
Working principle of the present utility model:
Use front precooling, now open low temperature Emergeny Cutoff Valves a, low temperature Emergeny Cutoff Valves c successively, other valves are in closed condition, carry out plunger pump precooling work.
Pressurization stages, now open low temperature Emergeny Cutoff Valves a, low temperature Emergeny Cutoff Valves b successively, low temperature Emergeny Cutoff Valves c, other valve be in closed condition, LNG Liquefied natural gas flow into liquid in the pipe network of downstream by low temperature plunger pump.
Whole device arranges safety valve, and when pipeline loine pressure reaches setting value, release opened by safety valve, ensures security of system.
Claims (3)
1. the LNG Liquefied natural gas supercharging device with plunger pump, is characterized in that: this device comprises plunger pump pressurization system and plunger pump air return system, and plunger pump pressurization system and plunger pump air return system are fixedly mounted on rectangular plant bottom case respectively;
Wherein, plunger pump pressurization system comprises the plunger pump liquid entering hole in left side and the outlet of plunger pump on right side further, between plunger pump liquid entering hole and outlet of plunger pump, be connected with low temperature Emergeny Cutoff Valves a, low temperature plunger pump, low temperature safety check a, thermometer a, temperature transmitter a, pressure gauge, pressure transmitter, safety valve a and low temperature Emergeny Cutoff Valves b in turn from left to right by pipeline;
Wherein, plunger pump air return system comprises the plunger pump gas returning port in left side further, and low temperature Emergeny Cutoff Valves c, the safety valve c to be connected successively from left to right by pipeline, thermometer c, temperature transmitter c and low temperature safety check c, the inlet pipe of low temperature safety check c is connected with low temperature plunger pump.
2. the LNG Liquefied natural gas supercharging device of band plunger pump according to claim 1, is characterized in that: described low temperature plunger Type of pump is 30m
3/ h.
3. the LNG Liquefied natural gas supercharging device of band plunger pump according to claim 1, is characterized in that: in whole device, and the model that all low temperature safety check adopt is DJ61F-40P, and diameter is between 40mm-50mm; The model of safety valve is DA21F-40P, and diameter is 15mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520712824.1U CN205026397U (en) | 2015-09-15 | 2015-09-15 | Take liquefied natural gas supercharging device of plunger pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520712824.1U CN205026397U (en) | 2015-09-15 | 2015-09-15 | Take liquefied natural gas supercharging device of plunger pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205026397U true CN205026397U (en) | 2016-02-10 |
Family
ID=55258927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520712824.1U Expired - Fee Related CN205026397U (en) | 2015-09-15 | 2015-09-15 | Take liquefied natural gas supercharging device of plunger pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205026397U (en) |
Cited By (3)
| 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 |
| CN109915356A (en) * | 2019-04-23 | 2019-06-21 | 张军 | A kind of oil-field flooding high-pressure plunger pump skid-mounted device |
| CN110220118A (en) * | 2019-05-22 | 2019-09-10 | 安瑞科(廊坊)能源装备集成有限公司 | Liquefy compressed natural gas high-pressure plunger pump pipeline system |
-
2015
- 2015-09-15 CN CN201520712824.1U patent/CN205026397U/en not_active Expired - Fee Related
Cited By (4)
| 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 |
| CN109915356A (en) * | 2019-04-23 | 2019-06-21 | 张军 | A kind of oil-field flooding high-pressure plunger pump skid-mounted device |
| CN110220118A (en) * | 2019-05-22 | 2019-09-10 | 安瑞科(廊坊)能源装备集成有限公司 | Liquefy compressed natural gas high-pressure plunger pump pipeline system |
| CN110220118B (en) * | 2019-05-22 | 2021-06-22 | 安瑞科(廊坊)能源装备集成有限公司 | Liquefied compressed natural gas high-pressure plunger pump pipeline 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160210 Termination date: 20160915 |