CN206469056U - A kind of abundant recovery BOG LNG filling apparatus - Google Patents
A kind of abundant recovery BOG LNG filling apparatus Download PDFInfo
- Publication number
- CN206469056U CN206469056U CN201720044705.2U CN201720044705U CN206469056U CN 206469056 U CN206469056 U CN 206469056U CN 201720044705 U CN201720044705 U CN 201720044705U CN 206469056 U CN206469056 U CN 206469056U
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- China
- Prior art keywords
- bog
- pressure pump
- storage tanks
- lng
- collection box
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Abstract
The utility model discloses a kind of abundant recovery BOG LNG filling apparatus, including LNG storage tanks, safety valve is installed on the LNG storage tanks, the LNG storage tanks are connected by BOG recovery tubes with BOG storage tanks, the side of the BOG storage tanks is provided with the first high-pressure pump, first high-pressure pump is connected by the first connecting tube with three-way air valve, the bottom of the three-way air valve is connected by pipeline with collection box, the inside of the collection box is provided with separator, BOG compressors are installed below the separator, condenser is installed below the BOG compressors, second high-pressure pump is installed below the condenser, the bottom of second high-pressure pump is connected by appendix with the LNG storage tanks, the three-way air valve is connected by the second connecting tube with pipe network collection box, the side of the pipe network collection box is provided with smelly dose of storage tank, the device, using simple, it is easy to reclaim BOG.
Description
Technical field
The utility model is related to LNG filing provision technical fields, specially a kind of abundant recovery BOG recovery BOG LNG
Filling apparatus.
Background technology
Because the Daily boil-off-rate of the LNG in refrigerated storage tank and low-temperature tanker is about 0.3%, this part boil-off gas（Temperature compared with
It is low）Abbreviation BOG flash steams (Boil Off Gas), make the pressure rise of basin gas-phase space.To ensure the safety and dress of basin
The need for unloading, storage tank safety pressure-reducing valve is provided with the design（Pressure excludes BOG automatically during being stored according to basin）, production
After raw BOG gases are by atmospheric valve to BOG heaters heating, the storage of BOG storage tanks is entered back into.Due to low-temperature liquefaction natural gas
（LNG）Storage tank（About -160 DEG C）Invaded by external environment heat, some mechanical can be converted into heat when submerged pump is run in LNG tank
Can, this can all make LNG gasification in tank produce flashed vapour, and these flashed vapours are exactly BOG gases, existing recovery BOG LNG filling
Device, recovery method has a lot, but can not be recycled according to actual needs, so a remote controlled recovery of design
Using BOG LNG filling apparatus be worth it is contemplated that.
Utility model content
The purpose of this utility model is to provide a kind of abundant recovery BOG LNG filling apparatus, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the utility model provides following technical scheme：A kind of LNG filling dresses of abundant recovery BOG
Put, including LNG storage tanks, safety valve is installed on the LNG storage tanks, the LNG storage tanks pass through BOG recovery tubes and BOG
Storage tank is connected, and is provided with the BOG storage tanks on electric cabinet, the electric cabinet and is provided with display and control button, institute
The inside for stating electric cabinet is provided with battery, the battery and is provided with circuit board, and PLC controls are provided with the circuit board
Device and communication module, the display, the control button and the communication module are electrically connected with the PLC,
The side of the BOG storage tanks is provided with the first high-pressure pump, and first high-pressure pump passes through the first connecting tube and three ventilations
Valve is connected, and the bottom of the three-way air valve is connected by pipeline with collection box, and the inside of the collection box is provided with separator, institute
State and BOG compressors are installed below separator, be provided with below the BOG compressors under condenser, the condenser
Side is provided with the second high-pressure pump, and the bottom of second high-pressure pump is connected by appendix with the LNG storage tanks, described
Three-way air valve is connected by the second connecting tube with pipe network collection box, and the side of the pipe network collection box is provided with smelly dose of storage tank, institute
The opposite side for stating pipe network collection box is provided with output channel, the output channel and is provided with magnetic valve, the output channel
Inside is provided with gas flowmeter, and the inside of the pipe network collection box is provided with BOG heaters, the lower section of the BOG heaters
It is provided with below barostat, the barostat and storage tank is installed.
Further, the three-way air valve, the first high-pressure pump, magnetic valve, the second high-pressure pump and gas flowmeter are equal
It is electrically connected with PLC.
Further, connected between the separator, BOG compressors, condenser and the second high-pressure pump by connecting tube
Connect.
Further, connected between the BOG heaters, barostat and storage tank by connecting tube.
Further, the smelly dose of storage tank is connected by flexible pipe with storage tank, and the second magnetic valve is provided with the flexible pipe,
Second magnetic valve is electrically connected with PLC.
Further, the communication module includes transmitter module and receiving module, and the PLC passes through communication module
It is connected with Computer signal.
Further, memory is installed in the PLC.
Compared with prior art, the beneficial effects of the utility model are：The LNG filling apparatus, what LNG storage tanks were produced
BOG gases enter BOG storage tanks in, be transported to by the first high-pressure pump in the first connecting tube, when three-way air valve be switched to
Collection box is connected, and BOG gases are separated by separator, into BOG compressor compresses, is carried out subsequently into condenser cold
It is solidifying, LNG storage tanks are transported to by the second high-pressure pump, the purpose of recycling is reached, when three-way air valve and pipe network collection box
Connect, BOG gases through BOG heaters heat, barostat carry out pressure regulation, be then store in storage tank in, smelly dose of storage tank to
It adds smelly dose, is sent into by output channel in pipeline network of fuel gas in city, gas flowmeter can monitor pipeline network of fuel gas in city and use
Gas flow, be transferred in PLC, be transferred to by communication module on computer, the operation of remote controlled equipment,
When the recovery BOG gas flow demands that pipeline network of fuel gas in city needs increase, then PLC control three-way air valve is reclaimed with pipe network
Case is connected, and is conducive to being reclaimed and being utilized according to actual needs.
Brief description of the drawings
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the utility model collection box internal structure schematic diagram；
Fig. 3 is the utility model pipe network collection box internal structure schematic diagram；
Fig. 4 is the utility model electric cabinet internal structure schematic diagram；
In figure：1-LNG storage tanks；2- safety valves；3-BOG storage tanks；4- electric cabinets；5- displays；6- control buttons；7-
First connecting tube；8- three-way air valves；The connecting tubes of 9- second；10- collection boxes；The high-pressure pumps of 11- first；12- appendixs；13- is smelly
Agent storage tank；14- pipe network collection boxes；15- magnetic valves；16- output channels；17- separators；18-BOG compressors；19- condensers；
The high-pressure pumps of 20- second；21-BOG heaters；22- barostats；23- deposits tank；24- gas flowmeters；25- batteries；
26-PLC controllers；27- communication modules.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Fig. 1-4 are referred to, the utility model provides a kind of technical scheme：A kind of abundant recovery BOG LNG filling apparatus,
Including LNG storage tanks 1, safety valve 2 is installed on LNG storage tanks 1, LNG storage tanks 1 pass through BOG recovery tubes and BOG storage tanks 3
Connection, is provided with electric cabinet 4, electric cabinet 4 on BOG storage tanks 3 and is provided with display 5 and control button 6, electric cabinet 4 it is interior
Portion, which is provided with to be provided with circuit board, circuit board on battery 25, battery 25, is provided with PLC 26 and communication module
27, display 5, control button 6 and communication module 27 are electrically connected with PLC 26, and the side of BOG storage tanks 3 is installed
There is the first high-pressure pump 11, the first high-pressure pump 11 is connected by the first connecting tube 7 with three-way air valve 8, the bottom of three-way air valve 8
It is connected by pipeline with collection box 10, the inside of collection box 10 is provided with separator 17, and the lower section of separator 17 is provided with BOG pressures
Contracting machine 18, the lower section of BOG compressors 18 is provided with condenser 19, and the lower section of condenser 19 is provided with the second high-pressure pump 20, the
The bottom of two high-pressure pumps 20 is connected by appendix 12 with LNG storage tanks 1, and three-way air valve 8 passes through the second connecting tube 9 and pipe network
Collection box 14 is connected, and the side of pipe network collection box 14 is provided with smelly dose of storage tank 13, and the opposite side of pipe network collection box 14 is provided with defeated
Go out and magnetic valve 15 is installed on pipeline 16, output channel 16, the inside of output channel 16 is provided with gas flowmeter 24, and pipe network is returned
The inside for receiving case 14 is provided with BOG heaters 21, and the lower section of BOG heaters 21 is provided with barostat 22, barostat
22 lower section is provided with storage tank 23.
Further, the three-way air valve 8, the first high-pressure pump 11, magnetic valve 15, the second high-pressure pump 20 and gas stream
Gauge 24 is electrically connected with PLC 26, is easy to signal to connect.
Further, pass through between the separator 17, BOG compressors 18, the high-pressure pump 20 of condenser 19 and second
Connecting tube is connected, and is easy to gas to flow.
Further, connected between the BOG heaters 21, barostat 22 and storage tank 23 by connecting tube,
It is easy to gas to flow.
Further, the smelly dose of storage tank 13 is connected by flexible pipe with storage tank 23, and the second electricity is provided with the flexible pipe
Magnet valve, second magnetic valve is electrically connected with PLC 26, is easy to add smelly dose and is deposited in tank 23.
Further, the communication module 27 includes transmitter module and receiving module, and the PLC 26 passes through communication
Module 27 is connected with Computer signal, is easy to remote control equipment to run.
Further, memory is installed in the PLC 26, facilitates storage information.
Operation principle：First, the BOG gases that LNG storage tanks 1 are produced enter in BOG storage tanks 3, pass through the first high pressure gas
Pump 11 is transported in the first connecting tube 7, is connected when three-way air valve 8 is switched to collection box 10, and BOG gases are carried out by separator
Separation 17, compresses into BOG compressors 18, is condensed subsequently into condenser 19, is transported to by the second high-pressure pump 20
LNG storage tanks 1, reach the purpose of recycling, and when three-way air valve 8 is connected with pipe network collection box 14, BOG gases are heated through BOG
Device 21 is heated, and barostat 22 carries out pressure regulation, is then store in storage tank 23, smelly dose of storage tank 13 adds smelly dose to it, is led to
Cross in the feeding pipeline network of fuel gas in city of output channel 16, gas flowmeter 24 can monitor the gas stream that pipeline network of fuel gas in city is used
Amount, is transferred in PLC 26, is transferred to by communication module 27 on computer, city is worked as in the operation of remote controlled equipment
When the recovery BOG gas flow demands that city's gas ductwork needs increase, then the control three-way air valve 8 of PLC 26 is reclaimed with pipe network
Case 14 is connected, and is conducive to being reclaimed and being utilized according to actual needs.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out in the case where not departing from principle of the present utility model and spirit a variety of changes, repaiies
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (7)
1. a kind of abundant recovery BOG LNG filling apparatus, including LNG storage tanks（1）, it is characterised in that：The LNG storage tanks
（1）On safety valve is installed（2）, the LNG storage tanks（1）Pass through BOG recovery tubes and BOG storage tanks（3）Connection, the BOG
Storage tank（3）On electric cabinet is installed（4）, the electric cabinet（4）On display is installed（5）And control button（6）, the electricity
Control case（4）Inside battery is installed（25）, the battery（25）On be provided with circuit board, the circuit board and be provided with
PLC（26）And communication module（27）, the display（5）, the control button（6）With the communication module（27）
With the PLC（26）It is electrically connected with, the BOG storage tanks（3）Side the first high-pressure pump is installed（11）, it is described
First high-pressure pump（11）Pass through the first connecting tube（7）With three-way air valve（8）Connection, the three-way air valve（8）Bottom pass through
Pipeline and collection box（10）Connection, the collection box（10）Inside separator is installed（17）, the separator（17）Under
Side is provided with BOG compressors（18）, the BOG compressors（18）Lower section condenser is installed（19）, the condenser（19）
Lower section the second high-pressure pump is installed（20）, second high-pressure pump（20）Bottom pass through appendix（12）With it is described
LNG storage tanks（1）Connection, the three-way air valve（8）Pass through the second connecting tube（9）With pipe network collection box（14）Connection, the pipe
Net collection box（14）Side smelly dose of storage tank is installed（13）, the pipe network collection box（14）Opposite side output channel is installed
（16）, the output channel（16）On magnetic valve is installed（15）, the output channel（16）Inside gas flow is installed
Meter（24）, the pipe network collection box（14）Inside BOG heaters are installed（21）, the BOG heaters（21）Lower section peace
Equipped with barostat（22）, the barostat（22）Lower section storage tank is installed（23）.
2. a kind of abundant recovery BOG according to claim 1 LNG filling apparatus, it is characterised in that：The three-way air valve
（8）, the first high-pressure pump（11）, magnetic valve（15）, the second high-pressure pump（20）And gas flowmeter（24）And PLC
（26）It is electrically connected with.
3. a kind of abundant recovery BOG according to claim 1 LNG filling apparatus, it is characterised in that：The separator
（17）, BOG compressors（18）, condenser（19）With the second high-pressure pump（20）Between connected by connecting tube.
4. a kind of abundant recovery BOG according to claim 1 LNG filling apparatus, it is characterised in that：The BOG heating
Device（21）, barostat（22）With storage tank（23）Between connected by connecting tube.
5. a kind of abundant recovery BOG according to claim 1 LNG filling apparatus, it is characterised in that：The smelly dose of storage tank
（13）Pass through flexible pipe and storage tank（23）Second magnetic valve is installed, second magnetic valve is controlled with PLC on connection, the flexible pipe
Device processed（26）It is electrically connected with.
6. a kind of abundant recovery BOG according to claim 1 LNG filling apparatus, it is characterised in that：The communication module
（27）Including transmitter module and receiving module, the PLC（26）Pass through communication module（27）It is connected with Computer signal.
7. a kind of abundant recovery BOG according to claim 1 LNG filling apparatus, it is characterised in that：The PLC controls
Device（26）On memory is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720044705.2U CN206469056U (en) | 2017-01-16 | 2017-01-16 | A kind of abundant recovery BOG LNG filling apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720044705.2U CN206469056U (en) | 2017-01-16 | 2017-01-16 | A kind of abundant recovery BOG LNG filling apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206469056U true CN206469056U (en) | 2017-09-05 |
Family
ID=59706871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720044705.2U Expired - Fee Related CN206469056U (en) | 2017-01-16 | 2017-01-16 | A kind of abundant recovery BOG LNG filling apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206469056U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108679444A (en) * | 2018-06-06 | 2018-10-19 | 张家港艾普能源装备有限公司 | LNG storage tank is utilizing device |
| CN112594545A (en) * | 2020-11-30 | 2021-04-02 | 沪东重机有限公司 | LNG fuel gas supply system for container ship |
-
2017
- 2017-01-16 CN CN201720044705.2U patent/CN206469056U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108679444A (en) * | 2018-06-06 | 2018-10-19 | 张家港艾普能源装备有限公司 | LNG storage tank is utilizing device |
| CN112594545A (en) * | 2020-11-30 | 2021-04-02 | 沪东重机有限公司 | LNG fuel gas supply system for container ship |
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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 |
Granted publication date: 20170905 Termination date: 20210116 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |