CN205877703U - Liquefied natural gas immersed pump unloading vehicle device - Google Patents
Liquefied natural gas immersed pump unloading vehicle device Download PDFInfo
- Publication number
- CN205877703U CN205877703U CN201620738355.5U CN201620738355U CN205877703U CN 205877703 U CN205877703 U CN 205877703U CN 201620738355 U CN201620738355 U CN 201620738355U CN 205877703 U CN205877703 U CN 205877703U
- Authority
- CN
- China
- Prior art keywords
- immersed pump
- low temperature
- pond
- quick action
- immersed
- Prior art date
- 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
Links
Abstract
The utility model relates to a liquefied natural gas immersed pump unloading vehicle device, the device include immersed pump unloading system and immersed pump air return system, immersed pump unloading system includes low temperature immersed pump pond and low temperature immersed pump, immersed pump inlet flange pipeline connect behind the low temperature quick action emergency valve a with low temperature immersed pump pond intercommunication, low temperature immersed pump's output pipeline concatenate in proper order behind cryogenic check valves and the low temperature quick action emergency valve b with immersed pump export flange joint, connecting tube that the immersed pump air return system includes immersed pump return -air mouth flange behind low temperature quick action emergency valve c with low temperature immersed pump pond upper portion space intercommunication, simultaneously, cover on the low temperature immersed pump pond and install temperature transmitter, manometer an and pressure transmitter a respectively. The utility model discloses a skid - mounted structure collects immersed pump, safe diffusing in an organic whole, compact structure, and the investment cost is low, strong adaptability, user convenient to use.
Description
Technical field
This utility model belongs to liquefied natural gas facility technical field, and specifically a kind of liquefied natural gas immersed pump is unloaded dress
Put.
Background technology
It is generally adopted by unloading the mode that supercharger carries out unloading for liquefied natural gas unloading system at present, internal system
Only unload liquid pipe, gas phase of unloading pipeline and function of unloading.Present in it, major defect is, the process of unloading can cause liquid
The temperature changing natural gas is higher, but pressure is relatively low, 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 liquefied natural gas immersed pump and unload dress
Put.
This utility model solves it and technical problem is that and take techniques below scheme to realize:
A kind of liquefied natural gas immersed pump unloading unit, this device includes immersed pump unloading system and immersed pump return-air system
System, immersed pump unloading system and immersed pump air return system are respectively and fixedly installed on rectangle plant bottom case；
Wherein, described immersed pump unloading system includes low temperature immersed pump pond, is mounted with low temperature and dives in low temperature immersed pump pond
Liquid pump, in the left side in low temperature immersed pump pond, immersed pump inlet flange is dived with low temperature after low temperature quick action emergency valve a by pipeline
Liquid pump pond connect, the output channel of low temperature immersed pump be sequentially connected in series after upwards passing low temperature immersed pump pond upper cover low temperature check-valves and
It is connected with immersed pump outlet(discharge) flange after low temperature quick action emergency valve b；
Wherein, immersed pump air return system includes immersed pump gas returning port flange, and immersed pump gas returning port Flange joint pipeline is through low
Connect through low temperature immersed pump pond sidewall with ullage space after temperature quick action emergency valve c；
Meanwhile, low temperature immersed pump pond covers be provided with detection low temperature immersed pump pond internal state temperature transmitter,
Pressure gauge a and pressure transmitter a.
And, it is further fitted with relief valve in pressure pipe adopting of described Pressure gauge a.
And, the pipeline between described low temperature check-valves and low temperature quick action emergency valve b is further fitted with Pressure gauge b
With pressure transmitter b.
Advantage of the present utility model and good effect be:
This utility model uses skid structure, integrates immersed pump, diffuses safely, compact conformation, and investment cost is low, suitable
Ying Xingqiang, user is easy to use.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Implementing to be further described to this utility model below in conjunction with accompanying drawing, following example are illustrative, are not
Determinate, it is impossible to limit protection domain of the present utility model with this.
A kind of liquefied natural gas immersed pump unloading unit, as it is shown in figure 1, this device includes immersed pump unloading system and latent liquid
Pump air return system, immersed pump unloading system and immersed pump air return system are respectively and fixedly installed on rectangle plant bottom case 17；
Wherein, described immersed pump unloading system includes low temperature immersed pump pond 16, is mounted with low temperature in low temperature immersed pump pond
Immersed pump 15, in the left side in low temperature immersed pump pond, immersed pump inlet flange 1 by pipeline after low temperature quick action emergency valve a2 with
Low temperature immersed pump pond connects, and the output channel of low temperature immersed pump is sequentially connected in series low temperature after upwards passing low temperature immersed pump pond upper cover 14
It is connected with immersed pump outlet(discharge) flange 6 after check-valves 9 and low temperature quick action emergency valve b5；
Wherein, immersed pump air return system includes immersed pump gas returning port flange 3, and immersed pump gas returning port Flange joint pipeline is through low
Connect through low temperature immersed pump pond sidewall with ullage space after temperature quick action emergency valve c4；
Meanwhile, low temperature immersed pump pond covers the temperature transmitter of detection low temperature immersed pump pond internal state is installed
10, Pressure gauge a11 and pressure transmitter a12.
In of the present utility model being embodied as, it is further fitted with relief valve 13 in pressure pipe adopting of described Pressure gauge a.
Pipeline in of the present utility model being embodied as, between described low temperature check-valves and low temperature quick action emergency valve b
On be further fitted with Pressure gauge b7 and pressure transmitter b8.
In of the present utility model being embodied as, as a kind of specific embodiment, described immersed pump specification is 18m3/ h, latent
Liquid pump can provide the liquefied natural gas of high pressure low temperature to be transported to downstream, and the model that described low temperature valve uses is DJ61F-40P,
A diameter of 50 and 40mm；The model of relief valve is DA21F-40P, a diameter of 10mm.
Operation principle of the present utility model:
Use front pre-cooling, open low temperature quick action emergency valve a the most successively, low temperature quick action emergency valve c, other valves are in pass
Closed state, carries out immersed pump pre-cooling work.
Unload the stage, open low temperature quick action emergency valve a the most successively, low temperature other valve of quick action emergency valve b is in closedown
State, liquefied natural gas is flowed into liquid in the pipe network of downstream by low temperature immersed pump.
Whole device arranges relief valve, and when conduit line pressure reaches setting value, release opened by relief valve, it is ensured that system
Safety.
Claims (3)
1. a liquefied natural gas immersed pump unloading unit, it is characterised in that: this device includes immersed pump unloading system and latent liquid
Pump air return system, immersed pump unloading system and immersed pump air return system are respectively and fixedly installed on rectangle plant bottom case；
Wherein, described immersed pump unloading system includes low temperature immersed pump pond, is mounted with low temperature immersed pump in low temperature immersed pump pond,
In the left side in low temperature immersed pump pond, the connection pipeline of immersed pump inlet flange is dived with low temperature liquid after low temperature quick action emergency valve a
Pump pond connects, and the output channel of low temperature immersed pump is sequentially connected in series low temperature check-valves and low after upwards passing low temperature immersed pump pond upper cover
It is connected with immersed pump outlet(discharge) flange after temperature quick action emergency valve b；
Wherein, immersed pump air return system includes immersed pump gas returning port flange, and the connection pipeline of immersed pump gas returning port flange is through low temperature
Connect through low temperature immersed pump pond sidewall with ullage space after quick action emergency valve c；
Meanwhile, low temperature immersed pump pond covers the temperature transmitter of detection low temperature immersed pump pond internal state, pressure are installed
Table a and pressure transmitter a.
Liquefied natural gas immersed pump unloading unit the most according to claim 1, it is characterised in that: described Pressure gauge a's
Adopt and in pressure pipe, be further fitted with relief valve.
Liquefied natural gas immersed pump unloading unit the most according to claim 1, it is characterised in that: at described low temperature check-valves
And on the pipeline between low temperature quick action emergency valve b, it is further fitted with Pressure gauge b and pressure transmitter b.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620738355.5U CN205877703U (en) | 2016-07-13 | 2016-07-13 | Liquefied natural gas immersed pump unloading vehicle device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620738355.5U CN205877703U (en) | 2016-07-13 | 2016-07-13 | Liquefied natural gas immersed pump unloading vehicle device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205877703U true CN205877703U (en) | 2017-01-11 |
Family
ID=57695693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620738355.5U Expired - Fee Related CN205877703U (en) | 2016-07-13 | 2016-07-13 | Liquefied natural gas immersed pump unloading vehicle device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205877703U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081308A (en) * | 2019-05-30 | 2019-08-02 | 河南查瑞特种设备有限公司 | A kind of LNG unloading unit convenient for taking |
| CN110220117A (en) * | 2019-05-07 | 2019-09-10 | 中国国际海运集装箱(集团)股份有限公司 | Liquid feeding equipment |
| WO2023159695A1 (en) * | 2022-02-22 | 2023-08-31 | 国家能源投资集团有限责任公司 | Hydrogen fuel replenishing system and method |
-
2016
- 2016-07-13 CN CN201620738355.5U patent/CN205877703U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110220117A (en) * | 2019-05-07 | 2019-09-10 | 中国国际海运集装箱(集团)股份有限公司 | Liquid feeding equipment |
| CN110081308A (en) * | 2019-05-30 | 2019-08-02 | 河南查瑞特种设备有限公司 | A kind of LNG unloading unit convenient for taking |
| WO2023159695A1 (en) * | 2022-02-22 | 2023-08-31 | 国家能源投资集团有限责任公司 | Hydrogen fuel replenishing system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20170111 Termination date: 20210713 |