CN110469770A - A kind of novel LNG vaporization device - Google Patents
A kind of novel LNG vaporization device Download PDFInfo
- Publication number
- CN110469770A CN110469770A CN201910734525.0A CN201910734525A CN110469770A CN 110469770 A CN110469770 A CN 110469770A CN 201910734525 A CN201910734525 A CN 201910734525A CN 110469770 A CN110469770 A CN 110469770A
- Authority
- CN
- China
- Prior art keywords
- heat exchange
- shell
- vaporization
- middle shell
- liquid
- 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.)
- Pending
Links
- 230000008016 vaporization Effects 0.000 title claims abstract description 46
- 238000009834 vaporization Methods 0.000 title claims abstract description 46
- 239000006200 vaporizer Substances 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 45
- 239000007788 liquid Substances 0.000 claims description 32
- 239000003345 natural gas Substances 0.000 claims description 21
- 239000002826 coolant Substances 0.000 claims description 18
- 230000008676 import Effects 0.000 claims description 7
- 210000001520 comb Anatomy 0.000 claims description 4
- 239000000110 cooling liquid Substances 0.000 claims 1
- 239000000446 fuel Substances 0.000 abstract description 7
- 238000002347 injection Methods 0.000 abstract description 6
- 239000007924 injection Substances 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 5
- 230000009977 dual effect Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000003949 liquefied natural gas Substances 0.000 description 41
- 238000002485 combustion reaction Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 235000013290 Sagittaria latifolia Nutrition 0.000 description 2
- 235000015246 common arrowhead Nutrition 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 241000233855 Orchidaceae Species 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 239000003915 liquefied petroleum gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
- F17C7/02—Discharging liquefied gases
- F17C7/04—Discharging liquefied gases with change of state, e.g. vaporisation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention belongs to carburettor technology fields, and in particular to a kind of novel LNG vaporization device.The novel LNG vaporization device, including shell, middle shell and inner casing, middle shell is equipped between the inner casing and shell, inner casing, shell and middle shell end are respectively equipped with first flange and second flange, shell and middle shell surround to form heat exchange chamber, inner casing and middle shell surround to form admission chamber, liquid-passing hole is set on middle shell, realize the connection of heat exchange chamber and admission chamber, the quantity of liquid-passing hole and position are adjusted according to the vaporization capacity demand of vaporizer, outer coil pipe and inner coil pipe are placed in heat exchange chamber, and are connect respectively with the first connector and the second connector.The beneficial effect is that: it can be applied to dual fuel injection system, filled up blank in the market；Greatly improve the pressure for vaporization range of vaporizer；The installation space of vaporizer is saved；The power for reducing engine radiator, has saved engine cost；And the power loss of engine water pump can be reduced.
Description
Technical field
The invention belongs to carburettor technology fields, and in particular to a kind of novel LNG vaporization device.
Background technique
LNG(Liquefied Natural Gas liquefied natural gas), as clean energy resource, application range is increasingly
Extensively, in recent years, LNG industrial development is rapid, and the production application of LNG is increased in the world with the speed for being more than 20%.
On Vehicles Collected from Market, using natural gas as in the internal-combustion engine vehicle of fuel, carrying mode of the natural gas on vehicle
It is divided into two kinds of compressed natural gas (CNG) and liquefied natural gas (LNG).Compressed natural gas (CNG) is the natural gas of high-pressure gaseous, is led to
The compressed natural gas of a normal volume is converted into the natural gas of 200 normal volumes.Liquefied natural gas (LNG) is the natural of liquid
The liquefied natural gas of gas, a usual volume is converted into the natural gas of 600 normal volumes.The lasting driveability of CNG vehicle is not
Foot is suitble to the small vehicles such as taxi to use.Opposite CNG vehicle, the lasting driveability of LNG vehicle greatly increases, medium and heavy
Lorry also has enough spaces to store equipment.
Diesel engine and petrol engine have obtained extremely wide application in modern society, but as country is to row
The requirement of zoom level is higher and higher, and diesel engine and gasoline engine are not able to satisfy the discharge standard being increasingly stringenter.One kind can be achieved double
The in-cylinder direct-jet technology of fuel injection first sprays a small amount of diesel oil in the combustion chamber, after compression ignition, is promoted in combustion in IC engine room
Temperature, ignite the compressed natural gas then sprayed, carries out work by combustion.The technology can provide the thermal efficiency better than diesel engine,
The discharge of the pollutants such as PM value and NOx can be largely reduced again, more to clean, more economical fuel injection system for IC engine.It should
Dual fuel injection system at work, needs to provide the compressed natural gas of different pressures and flow according to duty requirements.LNG tank is
Engine provides compressed natural gas, needs to go out LNG pump by cryogenic pump, and is CNG by LNG vaporization by vaporizer.
Currently there are LNG vaporization device product in, be all the vaporizer of external, the pressure after vaporizer vaporization
Contracting natural gas is used for engine air flue spray combustion, and the pressure of the compressed natural gas after vaporization is and double in 8bar ~ 20bar or so
Fuel injection system requires the pressure after vaporizer vaporization within the scope of 130bar ~ 550bar, and there are no be applicable in currently on the market
In the LNG vaporization device product of bifuel system.
In conclusion need to develop it is a kind of completely new, it is perfect, will suitable for the LNG vaporization device product of bifuel system
LNG that cryogenic pump is pumped out from LNG tank sufficiently, is timely vaporized, with timing, quantitative to internal combustion engine conveying high-pressure natural gas,
And guarantee the safe and reliable work of entire bifuel system, meet the needs of market and social development.
Summary of the invention
In order to compensate for the shortcomings of the prior art, the present invention provides a kind of novel LNG vaporization devices.
The present invention is achieved through the following technical solutions:
A kind of novel LNG vaporization device, including shell, middle shell and inner casing, are equipped with middle shell between the inner casing and shell, inner casing, outer
Shell and middle shell end are respectively equipped with first flange and second flange, and shell and middle shell surround to form heat exchange chamber, inner casing and middle shell
Encirclement forms admission chamber, and liquid-passing hole is arranged on middle shell, realizes the connection of heat exchange chamber and admission chamber, the quantity of liquid-passing hole and position
It is adjusted according to the vaporization capacity demand of vaporizer, outer coil pipe and inner coil pipe are placed in heat exchange chamber, and are connect respectively with first
Head is connected with the second connector.
Further, inlet and liquid outlet are set in the first flange, are arranged between liquid outlet and engine water circulation
Water flow valve and temperature sensor, water circulation in engine coolant outlet connect with inlet, coolant liquid is along third arrow
Direction enters admission chamber by inlet, enters heat exchange chamber using liquid-passing hole, after coolant liquid realizes heat exchange, along the 4th
Arrow direction is flowed out by liquid outlet.
Further, the first flange is equipped with vaporization import, and second flange is equipped with vaporization outlet, and LNG is along the first arrow
Head direction flows into the first connector from vaporization import, and into inner coil pipe and outer coil pipe, in heat exchange chamber, LNG and coolant liquid are carried out
Heat exchange, LNG is heated to be vaporized into CNG compressed natural gas, and CNG compressed natural gas is by the second connector, along the second arrow direction
It is flowed out from vaporization outlet.
Further, the coil pipe in the heat exchange chamber is biexhaust pipe or single row of tubes, three combs of outer coil pipe and inner coil pipe.
The beneficial effects of the present invention are:
(1) the present invention relates to vaporizer, can be applied to dual fuel injection system, filled up blank in the market；
(2) the present invention relates to vaporizer, the CNG pressure vaporized can reach within the scope of 130bar ~ 550bar, mentions significantly
The pressure for vaporization range of vaporizer is risen；
(3) the present invention relates to vaporizer, can be integrated into the inside of LNG tank with cryogenic pump together, save vaporizer
Installation space；
(4) the present invention relates to vaporizer, by using engine coolant liquid carry out LNG vaporization, engine is distributed
Unwanted heat be able to achieve recycling, and the power of engine radiator can be reduced, save engine economic cost；
(5) the present invention relates to vaporizer, can according to the demand of Different Work Condition of Engine carry out coolant rate adjusting,
It not only effectively prevent freezing inside vaporizer, but also the power loss of engine water pump can be reduced.
Detailed description of the invention
The present invention will be further described below with reference to the drawings.
Accompanying drawing 1 is the structural representation of the present invention；
Attached drawing 2 is the working principle of the invention figure；
Attached drawing 3 is that comb of the present invention uses single structural schematic diagram；
Attached drawing 4 is the structural schematic diagram that comb of the present invention uses three rows；
Attached drawing 5 is external structure schematic diagram of the invention；
Attached drawing 6 is external structure modification schematic diagram of the invention.
In figure, 01 first flange, 02 shell, shell in 03,04 inner casing, 05 outer coil pipe, 06 inner coil pipe, 07 first
Connector, 08 second flange, 09 liquid-passing hole, 10 heat exchange chambers, 11 admission chambers, 12 second connectors, 13 vaporization imports, 14
Vaporization outlet, 15 inlets, 16 liquid outlets, 17 first arrows, 18 second arrows, 19 third arrows, 20 the 4th arrows,
21 water flow valves, 22 temperature sensors, 23 water circulation.
Specific embodiment
Attached drawing 1-6 is a kind of specific embodiment of the invention.A kind of novel LNG vaporization device of the invention, including shell, middle shell
And inner casing, middle shell is equipped between the inner casing and shell, inner casing, shell and middle shell end are respectively equipped with first flange and the second method
Orchid, shell and middle shell surround to form heat exchange chamber, and inner casing and middle shell surround to form admission chamber, and liquid-passing hole is arranged on middle shell, realize
The connection of heat exchange chamber and admission chamber, the quantity of liquid-passing hole and position are adjusted according to the vaporization capacity demand of vaporizer, outside
Coil pipe and inner coil pipe are placed in heat exchange chamber, and are connect respectively with the first connector and the second connector.
Further, inlet and liquid outlet are set in the first flange, are arranged between liquid outlet and engine water circulation
Water flow valve and temperature sensor, water circulation in engine coolant outlet connect with inlet, coolant liquid is along third arrow
Direction enters admission chamber by inlet, enters heat exchange chamber using liquid-passing hole, after coolant liquid realizes heat exchange, along the 4th
Arrow direction is flowed out by liquid outlet.
Further, the first flange is equipped with vaporization import, and second flange is equipped with vaporization outlet, and LNG is along the first arrow
Head direction flows into the first connector from vaporization import, and into inner coil pipe and outer coil pipe, in heat exchange chamber, LNG and coolant liquid are carried out
Heat exchange, LNG is heated to be vaporized into CNG compressed natural gas, and CNG compressed natural gas is by the second connector, along the second arrow direction
It is flowed out from vaporization outlet.
Further, the coil pipe in the heat exchange chamber is biexhaust pipe or single row of tubes, three combs of outer coil pipe and inner coil pipe.
A kind of novel LNG vaporization device of the invention, shell 02 when use, middle shell 03, inner casing 04 respectively with first flange 01 and
Second flange 08 connect, connection type can for welding, interference fit, helicitic texture and other can realize the mode of connection, temperature
The temperature signal of 16 coolant liquid of liquid outlet can be transmitted to ECU by spending sensor 22, when a large amount of LNG need vapour in heat exchange chamber 10
When change, coolant liquid is reduced in the temperature of liquid outlet 16, and when reducing temperature more than setting value, ECU sends signal to water flow valve 21,
Increase the coolant rate of water flow valve 21, accelerates the vaporization rate of heat exchange chamber 10.When the LNG for entering vaporizer is reduced,
Coolant liquid is increased in the temperature of liquid outlet 16, and when temperature is more than setting value, ECU sends signal to water flow valve 21, reduces water flow
The coolant rate for measuring valve 21, slows down the vaporization rate of heat exchange chamber 10.
A kind of novel LNG vaporization device of the invention, as shown in attached drawing 3 and attached drawing 4, the coil pipe of vaporizer can be set according to demand
Single row of tubes, three combs are set to, or are set as the coil pipe layout type of other forms.
A kind of novel LNG vaporization device of the invention, shown in the contour structures attached drawing 5 and attached drawing 6 of vaporizer, according to installation space
Different contour structures are selected, attached drawing 5 can be built into LNG tank together with cryogenic pump, also to be mounted on the outside of LNG tank,
And other locational spaces for being adapted to fit, attached drawing 6 may be mounted at the position that in the housing of LNG tank end or other are adapted to fit
Between emptying.
A kind of novel LNG vaporization device of the invention, not only comprising liquified natural gas is vaporizated into gaseous natural gas, also including will
Liquefied petroleum gas, liquid methane, liquid hydrogen, liquid nitrogen and other liquid gases, are vaporizated into gaseous atmospheres, to meet each system
The demand of system product.
The present invention is not limited to the above-described embodiments, anyone should learn make under the inspiration of the present invention with the present invention
With same or similar technical solution, fall within the scope of protection of the present invention.
Technology not described in detail in the present invention, shape, construction portion are well-known technique.
Claims (4)
1. a kind of novel LNG vaporization device, including shell, middle shell and inner casing, which is characterized in that be equipped between the inner casing and shell
Middle shell, inner casing, shell and middle shell end are respectively equipped with first flange and second flange, and shell and middle shell surround to form heat exchange
Chamber, inner casing and middle shell surround to form admission chamber, and liquid-passing hole is arranged on middle shell, realize the connection of heat exchange chamber and admission chamber, lead to liquid
The quantity in hole and position are adjusted according to the vaporization capacity demand of vaporizer, and outer coil pipe and inner coil pipe are placed in heat exchange chamber,
And it is connect respectively with the first connector and the second connector.
2. a kind of novel LNG vaporization device according to claim 1, it is characterised in that: feed liquor is arranged in the first flange
Water flow valve and temperature sensor, the engine in water circulation is arranged in mouth and liquid outlet between liquid outlet and engine water circulation
Cooling liquid outlet is connect with inlet, and coolant liquid enters admission chamber along third arrow direction, by inlet, using liquid-passing hole
It, along the 4th arrow direction, is flowed out into heat exchange chamber by liquid outlet after coolant liquid realizes heat exchange.
3. a kind of novel LNG vaporization device according to claim 1, it is characterised in that: the first flange is equipped with vaporization
Import, second flange are equipped with vaporization outlet, and LNG flows into the first connector along the first arrow direction, from vaporization import, into inner disc
Pipe and outer coil pipe, in heat exchange chamber, LNG and coolant liquid carry out heat exchange, and LNG is heated to be vaporized into CNG compressed natural gas,
CNG compressed natural gas is flowed out by the second connector, along the second arrow direction from vaporization outlet.
4. a kind of novel LNG vaporization device according to claim 1, it is characterised in that: the coil pipe in the heat exchange chamber is
Biexhaust pipe or single row of tubes, three combs of outer coil pipe and inner coil pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910734525.0A CN110469770A (en) | 2019-08-09 | 2019-08-09 | A kind of novel LNG vaporization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910734525.0A CN110469770A (en) | 2019-08-09 | 2019-08-09 | A kind of novel LNG vaporization device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110469770A true CN110469770A (en) | 2019-11-19 |
Family
ID=68511757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910734525.0A Pending CN110469770A (en) | 2019-08-09 | 2019-08-09 | A kind of novel LNG vaporization device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110469770A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101169223A (en) * | 2007-12-07 | 2008-04-30 | 张家港市华瑞科技有限公司 | Water-bath type liquefied natural gas evaporator |
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| CN202195737U (en) * | 2011-07-25 | 2012-04-18 | 北京晨光燃气有限公司 | Heat exchanger structure of gas station |
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| CN104595063A (en) * | 2015-01-28 | 2015-05-06 | 江苏科技大学 | Liquefied natural gas gasification system based on cooling water residual heat of dual-fuel ship engine |
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| WO2017037810A1 (en) * | 2015-08-28 | 2017-03-09 | 日本郵船株式会社 | Lng gasification system for use in ship, ship equipped with same, and lng gasification method for use in ship |
| CN206636667U (en) * | 2017-03-06 | 2017-11-14 | 武汉理工大学 | A kind of LNG gasification device of the double thermals source of natural gas engine |
| CN207848966U (en) * | 2018-02-11 | 2018-09-11 | 国鸿液化气机械工程（大连）有限公司 | A kind of three-layer disc pipe Double-bundle gasifier peculiar to vessel |
| CN207905951U (en) * | 2017-12-25 | 2018-09-25 | 山东临工工程机械有限公司 | Natural gas loading machine thermal management |
| CN210511036U (en) * | 2019-08-09 | 2020-05-12 | 英嘉动力科技无锡有限公司 | Novel LNG vaporizer |
-
2019
- 2019-08-09 CN CN201910734525.0A patent/CN110469770A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101169223A (en) * | 2007-12-07 | 2008-04-30 | 张家港市华瑞科技有限公司 | Water-bath type liquefied natural gas evaporator |
| CN201209492Y (en) * | 2008-06-19 | 2009-03-18 | 东风汽车有限公司 | Vaporizer for liquefied natural gas vehicle |
| CN202195737U (en) * | 2011-07-25 | 2012-04-18 | 北京晨光燃气有限公司 | Heat exchanger structure of gas station |
| CN102966468A (en) * | 2012-11-19 | 2013-03-13 | 福州大学 | LNG (liquefied natural gas) coiled-tube-type carburetor and automatic control device and control method thereof |
| KR20150015792A (en) * | 2013-08-01 | 2015-02-11 | 삼성중공업 주식회사 | Apparatus and Method for Regasification of Liquefied Gas |
| CN104595063A (en) * | 2015-01-28 | 2015-05-06 | 江苏科技大学 | Liquefied natural gas gasification system based on cooling water residual heat of dual-fuel ship engine |
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| WO2017037810A1 (en) * | 2015-08-28 | 2017-03-09 | 日本郵船株式会社 | Lng gasification system for use in ship, ship equipped with same, and lng gasification method for use in ship |
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