CN206361406U - A kind of auxiliary hot equipment of LNG - Google Patents
A kind of auxiliary hot equipment of LNG Download PDFInfo
- Publication number
- CN206361406U CN206361406U CN201621492988.9U CN201621492988U CN206361406U CN 206361406 U CN206361406 U CN 206361406U CN 201621492988 U CN201621492988 U CN 201621492988U CN 206361406 U CN206361406 U CN 206361406U
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- China
- Prior art keywords
- valve
- heat exchanger
- relay
- air
- auxiliary hot
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Abstract
The utility model discloses a kind of auxiliary hot equipment of LNG, including air-heating type gasifier (1), temperature sensor (3), valve, heat exchanger (6) and control cabinet (7), air-heating type gasifier (1) is provided with primary outlet (2), primary outlet (2) place is provided with the temperature sensor (3), and connecting the import of air temperature pipeline and the heat exchanger (6) respectively by three-way pipe, the outlet of air temperature pipeline and heat exchanger (6) is connected to secondary exit port (8) by three-way pipe；The first valve (4) and the second valve (5) are respectively equipped with air temperature pipeline and at the import of heat exchanger (6)；The auxiliary hot equipment can both ensure that output was that natural gas reaches temperature standard, and unnecessary heating can be reduced again, reach the purpose of energy-conservation.
Description
Technical field
The utility model belongs to Natural Gas apparatus field, and in particular to a kind of auxiliary hot equipment of LNG.
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 manufacturing process is the natural gas for first producing gas field
Purified treatment, after being liquefied through a succession of ultralow temperature, is transported using LNG carrier.To air pollution after liquefied natural gas burning
It is very small, and liberated heat is big, so liquefied natural gas is a kind of more advanced energy.Liquefied natural gas is natural gas
It is compressed, be cooled to after its boiling point (- 161.5 DEG C) temperature and become liquid, usual LNG storage -161.5 degrees Celsius,
In 0.1MPa or so low-temperature storage tank.Its main component is methane, is transported with special purpose ship or oil truck, gas again when using
Change.
The effect of air temperature gasifier in LNG gasification station is that liquefied natural gas is exchanged heat into promoting the circulation of qi by being carried out with air
Change, but in order to increase heat exchange area, equipment is often bulky, and in temperature relatively low winter, because outdoor temperature is low,
Can not be completely too low by the fuel gas temperature after LNG gasification or completion gasification, this phenomenon is easily caused the device damage in downstream.
Accordingly, it would be desirable to auxiliary hot equipment, but auxiliary hot equipment generally consume energy it is more.
Utility model content
For technical problem present in above-mentioned background technology.The utility model provides a kind of auxiliary hot equipment of LNG, Neng Gou
LNG gasification carries out auxiliary heating when not exclusively or after gasification temperature is too low.
The technical problem that the utility model is solved is achieved through the following technical solutions：A kind of auxiliary hot equipment of LNG, including sky
Heating type gasifier, temperature sensor, valve, heat exchanger and control cabinet, the air-heating type gasifier are provided with primary outlet, one-level
Exit is provided with temperature sensor, and the primary outlet connects the import of air temperature pipeline and heat exchanger by three-way pipe respectively,
The outlet of air temperature pipeline and heat exchanger is connected to secondary exit port by three-way pipe；The import of the air temperature pipeline and heat exchanger
Place is respectively equipped with the first valve and the second valve；
Controller, the first relay and the second relay are provided with the control cabinet, controller connects the first relay respectively
Device and the second relay and temperature sensor, controller are also connected with heat exchanger；First relay connects the first valve, second
Relay connects the second valve.
Preferably, first valve and the second valve are magnetic valve.
Preferably, the controller is PLC.
Preferably, the heat exchanger is electrical heating type.
Preferably, the temperature sensor is bimetallic thermometer.
Relative to prior art, the beneficial effects of the utility model are：The utility model by adding heat exchanger, and
By the output pathway of solenoid valve control natural gas of flow from air-heating type gasifier, can leading to for temperature standard has been reached
Cross air temperature pipeline directly to export, not up to exported again after then being heated by heat exchanger of temperature standard, can both ensure output
It is that natural gas reaches temperature standard, unnecessary heating can be reduced again, has reached the purpose of energy-conservation.
Brief description of the drawings
Fig. 1 is the structural representation of the auxiliary hot equipment of LNG in the utility model；
Fig. 2 is the schematic diagram of the control system of the auxiliary hot equipment of LNG in the utility model；
1- air-heating type gasifiers, 2- primary outlets, 3- temperature sensors, the valves of 4- first, the valves of 5- second, 6- heat exchanges
Device, 7- control cabinets, 8- secondary exit ports, 9- controllers, the relays of 10- first, the relays of 11- second.
Embodiment
It is below in conjunction with the accompanying drawings and specific real to make those skilled in the art be better understood from the technical solution of the utility model
Example is applied to elaborate to the utility model.
A kind of auxiliary hot equipment of LNG is present embodiments provided, as shown in figure 1, it includes air-heating type gasifier 1, TEMP
Device 3, valve, heat exchanger 6 and control cabinet 7, air-heating type gasifier 1 is provided with primary outlet 2, primary outlet 2 to be passed provided with temperature
Sensor 3, primary outlet 2 connects the import of air temperature pipeline and heat exchanger 6, air temperature pipeline and heat exchanger by three-way pipe respectively
6 outlet is connected to secondary exit port 8 by three-way pipe；The first valve 4 is respectively equipped with the import of air temperature pipeline and heat exchanger 6
With the second valve 5；
Control system is as shown in Fig. 2 provided with controller 9, the first relay 10 and the second relay 11, control in control cabinet 7
Device 9 processed connects the first relay 10 and the second relay 11 and temperature sensor 3 respectively, and controller 9 is also connected with heat exchanger
6；First relay 10 connects the first valve 4, and the second relay 11 connects the second valve 5.
In the present embodiment, the first valve 4 and the second valve 5 are magnetic valve.
In the present embodiment, controller 9 is PLC.
In the present embodiment, heat exchanger 6 is electrical heating type.
In the present embodiment, temperature sensor 3 is bimetallic thermometer.
Operation principle of the present utility model：Liquefied natural gas is after air-heating type gasifier 1 and air are exchanged heat, transformation
For gaseous natural gas, but due to the influence of the factor of air-heating type gasifier 1 itself and environment temperature, the natural gas temperature after gasification can
Temperature standard can not reached.
1. reach temperature standard
Temperature sensor 6 detects the natural gas temperature flowed out by air-heating type gasifier 1 and reaches standard, and the signal is passed
Controller 9 is passed, controller 9 is by controlling the first relay 10 to be that the first valve 4 is in opening state, and controller 9 passes through control
It is that the second valve 4 is in closure state to make the second relay 10, and controller control heat exchanger is in inactive state, then day
Right gas is conveyed by air temperature pipeline to secondary exit port 8, and by secondary exit port 8 to subordinate.
2. it is not up to temperature standard
Temperature sensor 6 detects the natural gas temperature not up to standard flowed out by air-heating type gasifier 1, and by the signal
Controller 9 is passed to, controller 9 is by controlling the first relay 10 to be that the first valve 4 is in closure state, and controller 9 passes through
It is that the second valve 4 is in opening state to control the second relay 10, and controller control heat exchanger is in running order, then day
Right gas is delivered to secondary exit port 8 after being heated through over-heat-exchanger, and is conveyed by secondary exit port 8 to subordinate.
3. inspecting state
When in inspecting state, then constitution stops the conveying to natural gas, and now controller 9 is by controlling the first relay
10 be that the first valve 4 is in closure state, and controller 9 is that the second valve 4 is in closure state by the second relay 10 of control,
And controller control heat exchanger is in inactive state.
Above example is only exemplary embodiment of the present utility model, is not used in limitation the utility model, and this practicality is new
The protection domain of type is defined by the claims.Those skilled in the art can be in essence of the present utility model and protection domain
It is interior, various modifications or equivalent substitution are made to the utility model, this modification or equivalent substitution also should be regarded as new in this practicality
In the protection domain of type.
Claims (5)
1. a kind of auxiliary hot equipment of LNG, including air-heating type gasifier (1), temperature sensor (3), valve and control cabinet (7), it is special
Levy and be, in addition to heat exchanger (6), the air-heating type gasifier (1) is provided with primary outlet (2), primary outlet (2) place
Provided with the temperature sensor (3), the primary outlet (2) connects air temperature pipeline and the heat exchanger by three-way pipe respectively
(6) import, the outlet of the air temperature pipeline and the heat exchanger (6) is connected to secondary exit port (8) by three-way pipe；It is described
The first valve (4) and the second valve (5) are respectively equipped with air temperature pipeline and at the import of the heat exchanger (6)；
Controller (9), the first relay (10) and the second relay (11), the controller (9) are provided with the control cabinet (7)
The first relay (10) and the second relay (11) and temperature sensor (3) are connected respectively, and the controller (9) is also connected with heat
Exchanger (6)；First relay (10) connects the first valve (4), and second relay (11) connects the second valve
(5)。
2. the auxiliary hot equipment of a kind of LNG according to claim 1, it is characterised in that first valve (4) and the second valve
(5) it is magnetic valve.
3. the auxiliary hot equipment of a kind of LNG according to claim 1, it is characterised in that the controller (9) is PLC.
4. the auxiliary hot equipment of a kind of LNG according to claim 1, it is characterised in that the heat exchanger (6) is electrical heating
Formula.
5. the auxiliary hot equipment of a kind of LNG according to claim 1, it is characterised in that the temperature sensor (3) is bimetallic
Thermometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621492988.9U CN206361406U (en) | 2016-12-30 | 2016-12-30 | A kind of auxiliary hot equipment of LNG |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621492988.9U CN206361406U (en) | 2016-12-30 | 2016-12-30 | A kind of auxiliary hot equipment of LNG |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206361406U true CN206361406U (en) | 2017-07-28 |
Family
ID=59379258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621492988.9U Expired - Fee Related CN206361406U (en) | 2016-12-30 | 2016-12-30 | A kind of auxiliary hot equipment of LNG |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206361406U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107599788A (en) * | 2017-08-03 | 2018-01-19 | 丹阳市利旺车辆部件有限公司 | A kind of double flow LNG low-temperature receivers utilize device |
-
2016
- 2016-12-30 CN CN201621492988.9U patent/CN206361406U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107599788A (en) * | 2017-08-03 | 2018-01-19 | 丹阳市利旺车辆部件有限公司 | A kind of double flow LNG low-temperature receivers utilize device |
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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: 20170728 Termination date: 20181230 |