CN207262033U - A kind of LNG tank installs decrease temperature and pressure device - Google Patents
A kind of LNG tank installs decrease temperature and pressure device Download PDFInfo
- Publication number
- CN207262033U CN207262033U CN201721113008.4U CN201721113008U CN207262033U CN 207262033 U CN207262033 U CN 207262033U CN 201721113008 U CN201721113008 U CN 201721113008U CN 207262033 U CN207262033 U CN 207262033U
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- CN
- China
- Prior art keywords
- natural gas
- storage tank
- gas storage
- mounting groove
- pressure device
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Abstract
It the utility model is related to a kind of LNG tank installation decrease temperature and pressure device,Including natural gas storage tank,Mounting groove,Circulating pump,Cryogenic pump,Natural gas storage tank is installed at the top of the mounting groove,The natural gas storage tank connects cryogenic pump by cryogenic piping,The natural gas storage tank passes through outlet pipe,Input duct connects circulating pump,The natural gas storage tank crown center position is equipped with Drainage pipe,Connection valve is equipped with the top of the Drainage pipe,The Drainage pipe side is equipped with pressure transmitter,And the pressure transmitter is electrically connected the circulating pump,Catch basin filter screen is equipped with the top of the mounting groove,Protection enclosure wall is equipped with the top of the catch basin filter screen,Mounting groove bottom side is also associated with drainpipe,Package unit has preferable drain function,The corrosion of natural gas storage tank bottom can effectively be reduced,It can effectively realize natural gas storage tank internal pressure,The stabilization of temperature.
Description
Technical field
A kind of LNG tank installation decrease temperature and pressure device is the utility model is related to, belongs to natural gas facility field.
Background technology
Liquefied natural gas (Liquefied Natural Gas, abbreviation LNG), main component is methane, and it is the earth to be recognized
On most clean fossil energy, colourless, tasteless, nontoxic and non-corrosiveness, its volume is about the 1/ of same amount gaseous natural gas volume
625, the quality of liquefied natural gas is only 45% or so of androgynous ponding, its manufacturing process is that the natural gas for first producing gas field is net
Change is handled, and after the liquefaction of a succession of ultralow temperature, is transported using LNG carrier.It is non-to air pollution after liquefied natural gas burning
It is often small, and liberated heat is big, and so liquefied natural gas is a kind of more advanced energy, liquefied natural gas is natural gas warp
Compress, be cooled to its boiling point（-161.5℃）Become liquid after temperature, usual LNG storage -161.5 degrees Celsius,
In the low-temperature storage tank of 0.1MPa or so, its main component is methane, is transported with special purpose ship or oil truck, gas again during use
Change, since liquefied natural gas is during transporting and storage tank stores, it may appear that because the gasification of LNG causes pressure of storage tank to raise,
So that safety valve is unfolded into natural gas diffusion, substantial amounts of wasting phenomenon is produced, while the temperature of storage tank relatively low causes air fluid
Change generation water in tank bottom to collect, get rusty easily, reduce service life.
Utility model content
The technical problems to be solved in the utility model overcomes the defects of existing, there is provided a kind of LNG tank installation drop
Temperature drop pressure device, has preferable drain function, can effectively reduce the corrosion of natural gas storage tank bottom, can effectively realize day
Right gas storage tank internal pressure, the stabilization of temperature, can effectively solve the problems, such as in background technology.
In order to solve the above-mentioned technical problem, the utility model provides following technical solution：
A kind of LNG tank installs decrease temperature and pressure device, including natural gas storage tank, mounting groove, circulating pump, low temperature
Pump, the mounting groove top are provided with natural gas storage tank, and the natural gas storage tank passes through cryogenic piping and connects cryogenic pump, the day
Right gas storage tank connects circulating pump by outlet pipe, input duct, and the natural gas storage tank crown center position is equipped with drain pipe
Road, the Drainage pipe top are equipped with connection valve, and the Drainage pipe side is equipped with pressure transmitter, and the pressure transmitter
The circulating pump is electrically connected, catch basin filter screen is equipped with the top of the mounting groove, is equipped with and protects at the top of the catch basin filter screen
Encirclement wall, mounting groove bottom side are also associated with drainpipe.
Furthermore, it is additionally provided with temperature sensor on the natural gas storage tank.
Furthermore, the model BPO50-500/165 cryogenic liquid pumps of the cryogenic pump.
Furthermore, the model BST9900-GP nano single crystal silicon intelligent pressure transmitters of the pressure transmitter.
Furthermore, storage cavity, and storage cavity side connection drainpipe are equipped with the mounting groove.
Furthermore, the protection enclosure wall is in hollow cylinder structure, and the outlet pipe is connected to natural gas storage tank
On bottom position, the input duct is connected to the tip position on natural gas storage tank.
The utility model beneficial effect：A kind of LNG tank installs decrease temperature and pressure device, by being stored up in natural gas
Pot bottom sets mounting groove, is easily installed fixed natural gas storage tank, and the liquefaction droplet of tank surface flows to bottom and collects by collection
Sink filter screen enters in the storage cavity in mounting groove, is then discharged by drainpipe, effectively prevent water in tank bottom
Collect and cause the easy corrosion of tank bottom, improve service life, by circulating pump by the high pressure liquid of natural gas storage tank bottom
Body is evacuated at the top of natural gas storage tank and is sufficiently mixed, and the pressure balance in natural gas storage tank has been effectively ensured, has been become using pressure
Device is sent to carry out detecting in real time while being converted into electric signal automatically controlling circulating pump, it is more convenient to use, utilize low temperature
The convenient supplement liquefied natural gas of pump, while easy to cool down to the liquefied natural gas in storage tank.
Brief description of the drawings
Attached drawing is used to provide a further understanding of the present invention, and a part for constitution instruction, with this practicality
New embodiment is used to explain the utility model together, does not form the limitation to the utility model.
Fig. 1 is a kind of LNG tank installation decrease temperature and pressure structure drawing of device of the utility model.
Fig. 2 is a kind of LNG tank installation decrease temperature and pressure structure drawing of device of the utility model.
Figure label：1st, natural gas storage tank；2nd, mounting groove；3rd, circulating pump；4th, cryogenic pump；5th, Drainage pipe；6th, connection valve；
7th, pressure transmitter；8th, enclosure wall is protected；9th, catch basin filter screen；10th, outlet pipe；11st, input duct；12nd, cryogenic piping；
13rd, drainpipe.
Embodiment
The preferred embodiment of the utility model is illustrated below in conjunction with attached drawing, it will be appreciated that described herein excellent
Select embodiment to be only used for describing and explaining the present invention, be not used to limit the utility model.
As shown in Figs. 1-2, a kind of LNG tank installation decrease temperature and pressure device, including natural gas storage tank 1, mounting groove
2nd, circulating pump 3, cryogenic pump 4, the top of mounting groove 2 are provided with natural gas storage tank 1, are easily installed fixed natural gas storage tank 1, tank
The liquefaction droplet in body surface face flows to 2 bottom of mounting groove and collects the storage cavity entered by catch basin filter screen 9 in mounting groove 2
It is interior, then discharged by drainpipe 13, effectively prevent water and collect in tank bottom and cause the easy corrosion of tank bottom, improved
Service life, the natural gas storage tank 1 connect cryogenic pump 4 by cryogenic piping 12, utilize the convenient supplement liquefaction day of cryogenic pump 4
Right gas, while easy to cool down to the liquefied natural gas in storage tank, the natural gas storage tank 1 passes through outlet pipe 10, feed liquor
Pipeline 11 connects circulating pump 3, and the 1 crown center position of natural gas storage tank is equipped with Drainage pipe 5, the top of Drainage pipe 5
Equipped with connection valve 6,5 side of Drainage pipe is equipped with pressure transmitter 7, and the pressure transmitter 7 is electrically connected described follow
Ring pump 3, is evacuated to the top of natural gas storage tank 1 by the highly pressurised liquid of 1 bottom of natural gas storage tank by circulating pump 3 and is sufficiently mixed,
The pressure balance in natural gas storage tank 1 has been effectively ensured, can carry out detection in real time using pressure transmitter 7 while be converted into electricity
Signal automatically controls circulating pump 3, more convenient to use, and the top of mounting groove 2 is equipped with catch basin filter screen 9, the collection
The top of sink filter screen 9 is equipped with protection enclosure wall 8, and the 2 bottom side of mounting groove is also associated with drainpipe 13, easy to discharge installation
Water in groove 2.
More specifically, temperature sensor, the model of the cryogenic pump 3 are additionally provided with the natural gas storage tank 1
BPO50-500/165 cryogenic liquid pumps, the model BST9900-GP nano single crystal silicon intelligent pressures of the pressure transmitter 7
Transmitter, the mounting groove 2 is interior to be equipped with storage cavity, and storage cavity side connection drainpipe 13, easy to collect discharge
Water, the protection enclosure wall 8 is in hollow cylinder structure, and the outlet pipe 10 is connected to the bottom position on natural gas storage tank 1,
The input duct 11 is connected to the tip position on natural gas storage tank 1.
The utility model improve in：A kind of LNG tank installs decrease temperature and pressure device, by natural gas storage tank 1
Bottom sets mounting groove 2, is easily installed fixed natural gas storage tank 1, the liquefaction droplet of tank surface flows to 2 bottom of mounting groove and collects
Enter by catch basin filter screen 9 in the storage cavity in mounting groove 2, then discharged by drainpipe 13, effectively prevent water
Collect in tank bottom and cause the easy corrosion of tank bottom, improve service life, by circulating pump 3 by natural gas storage tank 1
The highly pressurised liquid of bottom is evacuated to the top of natural gas storage tank 1 and is sufficiently mixed, and the pressure being effectively ensured in natural gas storage tank 1 is put down
Weighing apparatus, can be carried out detection in real time while be converted into electric signal to automatically control circulating pump 3, use more using pressure transmitter 7
Add conveniently, using the convenient supplement liquefied natural gas of cryogenic pump 4, while easy to cool down to the liquefied natural gas in storage tank.
It is above the preferable embodiment of the utility model, the utility model those skilled in the art can also be to upper
Embodiment make a change and modification are stated, therefore, the utility model is not limited to above-mentioned embodiment, every ability
Any conspicuously improved, replacement or modification that field technique personnel are made on the basis of the utility model belong to this practicality
New protection domain.
Claims (6)
1. a kind of LNG tank installs decrease temperature and pressure device, including natural gas storage tank（1）, mounting groove（2）, circulating pump
（3）, cryogenic pump（4）, it is characterised in that：The mounting groove（2）Top is provided with natural gas storage tank（1）, the natural gas storage tank
（1）Pass through cryogenic piping（12）Connect cryogenic pump（4）, the natural gas storage tank（1）Pass through outlet pipe（10）, input duct
（11）Connect circulating pump（3）, the natural gas storage tank（1）Crown center position is equipped with Drainage pipe（5）, the Drainage pipe
（5）Top is equipped with connection valve（6）, the Drainage pipe（5）Side is equipped with pressure transmitter（7）, and the pressure transmitter（7）
It is electrically connected the circulating pump（3）, the mounting groove（2）Top is equipped with catch basin filter screen（9）, the catch basin filter screen
（9）Top is equipped with protection enclosure wall（8）, the mounting groove（2）Bottom side is also associated with drainpipe（13）.
A kind of 2. LNG tank installation decrease temperature and pressure device according to claim 1, it is characterised in that：It is described natural
Gas storage tank（1）On be additionally provided with temperature sensor.
A kind of 3. LNG tank installation decrease temperature and pressure device according to claim 1, it is characterised in that：The low temperature
Pump（4）Model BPO50-500/165 cryogenic liquid pumps.
A kind of 4. LNG tank installation decrease temperature and pressure device according to claim 1, it is characterised in that：The pressure
Transmitter（7）Model BST9900-GP nano single crystal silicon intelligent pressure transmitters.
A kind of 5. LNG tank installation decrease temperature and pressure device according to claim 1, it is characterised in that：The installation
Groove（2）It is interior to be equipped with storage cavity, and storage cavity side connection drainpipe（13）.
A kind of 6. LNG tank installation decrease temperature and pressure device according to claim 1, it is characterised in that：The protection
Enclosure wall（8）In hollow cylinder structure, and the outlet pipe（10）It is connected to natural gas storage tank（1）On bottom position, it is described
Input duct（11）It is connected to natural gas storage tank（1）On tip position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721113008.4U CN207262033U (en) | 2017-08-31 | 2017-08-31 | A kind of LNG tank installs decrease temperature and pressure device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721113008.4U CN207262033U (en) | 2017-08-31 | 2017-08-31 | A kind of LNG tank installs decrease temperature and pressure device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207262033U true CN207262033U (en) | 2018-04-20 |
Family
ID=61923669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721113008.4U Expired - Fee Related CN207262033U (en) | 2017-08-31 | 2017-08-31 | A kind of LNG tank installs decrease temperature and pressure device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207262033U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111288295A (en) * | 2018-12-10 | 2020-06-16 | 丰田自动车株式会社 | Vehicle gas supply system |
| CN114321708A (en) * | 2021-12-17 | 2022-04-12 | 程王轩 | Storage tank precooling device for liquefied natural gas filling station |
| CN115234825A (en) * | 2022-07-21 | 2022-10-25 | 湖北锦盛天然气有限公司 | Remote control's vertical storage tank of LNG |
-
2017
- 2017-08-31 CN CN201721113008.4U patent/CN207262033U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111288295A (en) * | 2018-12-10 | 2020-06-16 | 丰田自动车株式会社 | Vehicle gas supply system |
| CN114321708A (en) * | 2021-12-17 | 2022-04-12 | 程王轩 | Storage tank precooling device for liquefied natural gas filling station |
| CN115234825A (en) * | 2022-07-21 | 2022-10-25 | 湖北锦盛天然气有限公司 | Remote control's vertical storage tank of LNG |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180420 Termination date: 20190831 |