CN105156882B - Energy-saving type submerged combustion gasifier - Google Patents
Energy-saving type submerged combustion gasifier Download PDFInfo
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- CN105156882B CN105156882B CN201510609508.6A CN201510609508A CN105156882B CN 105156882 B CN105156882 B CN 105156882B CN 201510609508 A CN201510609508 A CN 201510609508A CN 105156882 B CN105156882 B CN 105156882B
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Abstract
The invention discloses an energy-saving type submerged combustion gasifier. The energy-saving type submerged combustion gasifier comprises an air blower, an air channel, a combustor, a combustion chamber, a flue gas distributor, a water tank, a heat exchange tube bundle, a weir flow box, an alkaline liquid tank, a chimney, a gas-liquid separator and a chimney regulating valve, wherein the flue gas distributor comprises collecting tubes and bubbling tubes; one end of each bubbling tube is connected with each collecting tube; the bubbling tubes are arranged under the heat exchange tube bundle; at least one row of injection holes are formed in the top of each bubbling tube; the weir flow box is supported by a bracket which is fixed at the bottom of the water tank; the heat exchange tube bundle is suspended and supported by a suspension support structure at the top of the weir flow box and is submerged in water bath liquid in the water tank; the gas-liquid separator is mounted in the chimney; a bypass is arranged at the lower part of the chimney, connected with the combustor through a first branch and connected with the flue gas distributor through a second branch. The energy-saving type submerged combustion gasifier is excellent in heat exchange effect, high in heat efficiency, relatively compact in structure and small in occupied area, is capable of saving energy and cost, and is particularly applicable to LNG receiving stations with moderate and high gasification capacities.
Description
Technical field
The invention belongs to liquefied natural gas gasifying technical field, is related to a kind of energy-saving submerged combustion gasifier, especially
It is to be related to a kind of submerged combustion gasifier for making cryogenic liquid gasify, the submerged combustion gasifier is commonly applied to large-scale liquefaction
As liquefied natural gas gasifying device in natural gas receiving station.
Background technology
With the continuous development that China's industrialization degree and energy-saving and emission-reduction work, the energy especially the demand of clean energy resource and
Increasingly projected using problem.Natural gas is used as the energy, the two-fold advantage for possessing efficiently and cleaning, in recent years at home and abroad
Significantly applied.National Energy Board of China proposes：12% is brought up to ratio of the year two thousand twenty by natural gas in primary energy.
The year two thousand twenty is expected, China's natural gas import is up to annual 1500 billion cubic meter.For the ease of storing and transporting, natural gas is needed
The liquefied natural gas (abbreviation LNG) of low temperature is liquefied as, when user's use is supplied, needs to use LNG gasification again.Gasifier
It is LNG vaporization equipment conventional in the world, but domestic gasifier gasification ability is still not enough, therefore develops with larger vaporization ability
Equipment for gasification it is imperative.
The effect of submerged combustion gasifier (SCV) is the low temperature LNG heating and gasifyings LNG receiving stations and is superheated to 0 DEG C
Above natural gas (NG), is then fed into transporting to user outside pipeline.The amount of vaporization of SCV can be entered in the range of 10%～100%
Row is adjusted, and the suddenly change of load can be made a response, is particularly suitable for the larger situation of load variations Amplitude Ratio.SCV gasifies
The toggle speed of device is fast, the requirement of fast startup being suitable for when emergency or peak regulation.In large-scale LNG receiving stations, generally match somebody with somebody
Standby corresponding SCV gasifiers, it is in the case of suddenly being increased with cushion gas load, rapid to start, improve the adaptability to changes of system.Existing skill
The LNG receiving stations having in art using submerged combustion gasifier structure as shown in figure 1, which includes aerator 1, air channel
2nd, burner 3, combustor 4, flue gas distributor 5, tank 6, heat-exchanging tube bundle 7, alkali liquid tank 9, gas-liquid separator 11 and chimney 10
Deng.Air and fuel gas are sufficiently mixed after-combustion in burner 3 and produce high-temperature flue gas, and high-temperature flue gas Jing flue gas distributors 5 are straight
Run in tank 6, the water bath shampoo direct contact heat transfer in high-temperature flue gas and tank 6, the water bath shampoo after heating will go into and change
Into natural gas (NG), NG is arranged after being superheated to the outer defeated temperature of requirement the LNG heating and gasifyings of heat pipe bundle 7 from the outlet of heat-exchanging tube bundle 7
Go out, after final high-temperature flue gas are exchanged heat with water bath shampoo, Jing chimneys 10 are discharged into the external world.The submerged combustion gasifier of prior art
Floor space is mainly affected by heat-exchanging tube bundle, and floor space is larger, restricts the development and application of its maximization；Air and fuel gas
Burned flame temperature is high, and the choice requirement in the environment of thermal-flame of burner and combustor is high, high cost；Thermal efficiency master
Smog discharge temperature to be received affects, and it is to improve one of main path of the thermal efficiency to reduce exhaust gas temperature.
The content of the invention
The purpose of the present invention is for existing submerged combustion gasifier floor space is big, choice requirement is high and high cost
Shortcoming, devise the energy-saving submerged combustion that a kind of more compact structure, floor space are little, choice requirement is low, heat exchange efficiency is high
Formula gasifier.
The purpose of the present invention is achieved through the following technical solutions：
A kind of energy-saving submerged combustion gasifier, including aerator 1, air channel 2, burner 3, combustor 4, flue gas
Distributor 5, tank 6, heat-exchanging tube bundle 7, weir flow case 8, alkali liquid tank 9, chimney 10 and gas-liquid separator 11, chimney regulating valve 13；
Described 1 Jing air channels 2 of aerator are connected with the air intlet of burner 3, the outlet of described burner 3 and are located at described
The combustor 4 of 6 side of tank be connected, air is filled with the fuel gas of the fuel gas inlet entrance of spontaneous combustion burner 3 in the burner 3
Divide mixing, enter the burning generation high-temperature flue gas of combustor 4 Jing after igniting；The outlet of described combustor 4 and flue gas distributor 5
Import connects；Described flue gas distributor 5 includes collecting tubule 51 and bubbling pipe 52, one end of described bubbling pipe 52 and collecting tubule
51 connections, bubbling pipe 52 are located at the lower section of heat-exchanging tube bundle 7, arrange at least row's spray-hole 53, high temperature at the top of every bubbling pipe 52
Flue gas is sprayed in tank by the spray-hole 53 on bubbling pipe 52；Described weir flow case 8 is propped up by being fixed on the support of 6 bottom of tank
Support, the suspension strut structure suspension strut of described heat-exchanging tube bundle 7 by the top for being arranged on weir flow case 8, and be immersed in tank 6
Water bath shampoo in；The import of described heat-exchanging tube bundle 7 is connected with liquefied natural gas feed-line, is exported and natural gas transmission pipeline
Connection；Described chimney 10 is connected with the top of tank 6；Gas-liquid separator 11 is installed inside described chimney 10, it is fully cold
But the flue gas after is escaped from water bath shampoo, into after chimney 10 enters the external world Jing after the separation of 11 air-water of gas-liquid separator；Described
Chimney 10 is provided with chimney regulating valve 13 for adjusting out the flue gas flow of chimney, and chimney regulating valve 13 is located at gas-liquid separator 11
Top；Described 10 bottom of chimney is provided with bypass, and bypass Jing tie points are connected with burner 3, bypass the second branch roads of Jing
It is connected with flue gas distributor 5, during low-temperature flue gas are incorporated into burner 3, flue gas distributor 5 respectively, low-temperature flue gas Jing burners 3
The high-temperature flue gas produced into combustor 4 and burning are mixed into flue gas distributor 5, enter flue gas distributor with the second branch roads of Jing
5 low-temperature flue gas mixing, enters water bath shampoo again by bubbling pipe 52.
Described air channel 2 is made up of primary air air channel and auxiliary air channel.
Described 4 periphery of combustor is provided with water leg 43, and the bottom of water leg 43 is provided with water inlet 42, inside water leg 43
Spiral stream guidance band or spiral deflector 41 is provided with, the top of water leg 43 is provided with outlet, and cooling water is in tank 6
Water bath shampoo, cooling water are entered by lower water inlet 42, and Jing spiral stream guidances band or spiral deflector 41 are flow at the top of combustor 4,
The outer wall of burner 4 is lowered the temperature, the cooling water after heat absorption is turned back and returned to 6 in tank.
Described collecting tubule 51 is circular or oval or oblong or discoid shape pipe；Described bubbling pipe 52 is circle
Shape or oval or oblong or discoid shape pipe；Described bubbling pipe 52 is evenly spaced in the lower section of heat-exchanging tube bundle 7, bubbling
One end of pipe 52 is connected with the bottom of collecting tubule 51, the quantity of spray-hole 53, row in the quantity of bubbling pipe 52 and bubbling pipe 52
Number needs to be determined by calculating according to flue gas flow, pressure, temperature parameter；Arrange single or at least 2 at the top of every bubbling pipe 52
The spray-hole 53 that row is staggered in arrangement, high-temperature flue gas are sprayed in tank 6 by the spray-hole 53 on bubbling pipe 52.
Water bath shampoo is filled in described tank 6, overfall and leakage fluid dram is provided with, top covers dismountable cover plate.
Described heat-exchanging tube bundle 7 is square or triangle or U-tube arrangement, and the heat exchanger tube of heat-exchanging tube bundle 7 is with strong
Change the corrugated tube or interior ripple male-pipe or corrugated tubing or finned tube or conduit pipe of heat transfer structure.
Described suspension strut structure is support beam, and described heat-exchanging tube bundle 7 is fixed on weir flow case 8 by support beam
It is interior, it is immersed in the water bath shampoo in tank 6.
Described weir flow case 8 is open above and below, forms the passage of up/down perforation in weir flow case 8.
Described alkali liquid tank 9 is arranged on above 6 side of tank.After water bath shampoo in tank 6 has dissolved acid gas in flue gas
PH value is reduced, when the pH value for monitoring water bath shampoo in screw clamp 6 drops to certain limit, by automaton into tank 6
Addition alkali liquor, it is to avoid water bath shampoo exchanges the corrosion of heat pipe bundle 7 and flue gas distributor 5 in tank 6 after acidity is presented, and extends and sets
Standby service life.
Described gas-liquid separator 11 is that corrugated sheet or wire mesh membrane or corrugated sheet add wire mesh membrane combinative structure type gas-liquid separation
Device.
Described bypass is located at 11 side-lower of gas-liquid separator.Bypass valve 12 is provided with described bypass to control
Total bypass flow of flue gas in system bypass, bypass valve 12 are positioned close to the side of chimney；Is provided with the first leg
One valve 14, is provided with the second valve 15 on the second branch road.Arranging chimney regulating valve 13 is easy to bypass valve 12 to control in bypass
The flow of flue gas, adjusts flue gas shunting amount in two branch roads by the first valve 14, the second valve 15.
Beneficial effects of the present invention
The present invention heat-exchanging tube bundle carry augmentation of heat transfer structure, on chimney arrange bypass by low-temperature flue gas introduce burner and
Flue gas distributor, arranges water leg structure on combustor.Good effect of heat exchange of the present invention, the thermal efficiency are high, make gasification installation structure more
Compact, floor space is little, energy saving and cost, the LNG receiving stations of atmospheric amount in being particularly well-suited to process.It is specific as follows：
1st, combustor periphery arranges water leg, and the cooling water after circulation is turned back in screw clamp again, produces when both having reduced burning
The temperature of raw high-temperature flue gas, turn avoid the loss of heat；Low-temperature flue gas are introduced by burner by branch road, low-temperature flue gas enter
Enter the high-temperature flue gas mixing that combustor and burning are produced, both avoided the loss of heat, while can reduce what is produced when burning
The temperature of high-temperature flue gas；2 points by more than, the requirement of combustor selection is reduced, the purpose of energy saving and cost is reached.
2nd, on the quantity of bubbling pipe and bubbling pipe, the quantity of spray-hole, row are needed according to flue gas flow, pressure, temperature
Parameter determines that by calculating bubbling pipe is evenly spaced in the lower section of heat-exchanging tube bundle, and high-temperature flue gas are sprayed by the spray-hole on bubbling pipe
Enter in tank, it is ensured that high-temperature flue gas uniformly enter water bath shampoo, make water-bath liquid temp uniform, so that heat-exchanging tube bundle is heated
It is even.
3rd, high-temperature flue gas enter water bath shampoo inside weir flow case by bubbling pipe, and a large amount of bubble agitation water bath shampoos improve heat exchange
Coefficient more than 20%, the air-water mixture of formation rise；Flue gas in air-water mixture rise after reaching weir flow box top into
Enter chimney, air is entered by chimney Jing after gas-liquid separator；Water in air-water mixture overflows weir flow after reaching weir flow box top
Case, circulates so as to be formed outside heat-exchanging tube bundle, enhances the heat exchange of water and tube bank.
4th, heat-exchanging tube bundle is square or triangle or U-tube arrangement, and the heat exchanger tube of tube bank is with augmentation of heat transfer structure
Corrugated tube or interior ripple male-pipe or corrugated tubing or finned tube or conduit pipe.The overall dimensions of heat-exchanging tube bundle can be reduced, entered
And the size for placing the weir flow case and tank restrained can be reduced, and floor space is not only reduced, it is cost-effective, and be more suitable for
Process the LNG receiving stations of more atmospheric amount.
5th, the setting bypassed on chimney, low-temperature flue gas are incorporated in burner, can reduce the high temperature produced when burning
Flue-gas temperature, reduces the requirement of burner selection, reaches cost-effective purpose；Low-temperature flue gas are incorporated into into flue gas distributor
In, low-temperature flue gas enter water bath shampoo again by bubbling pipe, strengthen the disturbance of water bath shampoo, enhanced heat exchange, and can be further
Flue gas exhaust gas temperature is reduced, heat exchange efficiency more than 20% is improved.
Description of the drawings
Fig. 1 is the structural representation of the submerged combustion gasifier of prior art.
Fig. 2 is the structural representation of energy-saving submerged combustion gasifier of the invention.
Fig. 3 is the B-B direction profile of Fig. 2.
Fig. 4 is the structural representation of the water leg of energy-saving submerged combustion gasifier of the invention.
Specific embodiment
With reference to the accompanying drawings and examples technical scheme is further described.
As shown in Fig. 2,3 and 4, a kind of energy-saving submerged combustion gasifier, including aerator 1, air channel 2, burning
Device 3, combustor 4, flue gas distributor 5, tank 6, heat-exchanging tube bundle 7, weir flow case 8, alkali liquid tank 9, chimney 10 and gas-liquid separator
11st, chimney regulating valve 13；Described 1 Jing air channels 2 of aerator are connected with the air intlet of burner 3, described burner 3
Outlet be connected with the combustor 4 positioned at described 6 side of tank, the fuel gas inlet of air and spontaneous combustion burner 3 in the burner 3
Into fuel gas be sufficiently mixed, Jing igniting after enter combustor 4 burning produce high-temperature flue gas；Described combustor 4 is peripheral
Water leg 43 is provided with, the bottom of water leg 43 is provided with water inlet 42, and water leg 43 is internally provided with spiral stream guidance band or spiral is led
Stream plate 41, the top of water leg 43 is provided with outlet；The outlet of described combustor 4 and the import of flue gas distributor 5 connection；Institute
The flue gas distributor 5 stated is made up of with several bubbling pipes 52 for being evenly spaced in 51 bottom of collecting tubule collecting tubule 51, described
One end of bubbling pipe 52 is connected with the bottom of collecting tubule 51, and bubbling pipe 52 is located at the lower section of heat-exchanging tube bundle 7；Every bubbling pipe 52 is pushed up
Portion arranges at least row's spray-hole 53, and high-temperature flue gas are sprayed in tank 6 by the spray-hole 53 on bubbling pipe 52；Fill in tank 6
Water bath shampoo, and overfall and leakage fluid dram are set, top covers dismountable cover plate；Described weir flow case 8 is by being fixed on tank 6
The support of bottom is supported, and weir flow case 8 is enclosed in the surrounding of heat-exchanging tube bundle 7, is only open above and below, and top is provided with support
Crossbeam, for suspension strut heat-exchanging tube bundle 7；Described heat-exchanging tube bundle 7 is by support beam suspension strut, and is immersed in tank 6
Water bath shampoo in；The import of described heat-exchanging tube bundle 7 is connected with liquefied natural gas feed-line, is exported and natural gas transmission pipeline
Connection；Described chimney 10 is connected with the top of tank 6；Gas-liquid separator 11 is installed inside described chimney 10, it is fully cold
But the flue gas after is escaped from water bath shampoo, into after chimney 10 enters the external world Jing after the separation of 11 air-water of gas-liquid separator；Described
Chimney 10 is provided with chimney regulating valve 13 for adjusting out the flue gas flow of chimney, and chimney regulating valve 13 is located at gas-liquid separator 11
Top；Described 10 bottom of chimney is provided with bypass, and bypass is located at 11 side-lower of gas-liquid separator, near chimney in bypass
Side be provided with bypass valve 12；Bypass Jing tie points are connected with burner 3, bypass the second branch roads of Jing and flue gas distributor
5 connections, during low-temperature flue gas are incorporated into burner 3, flue gas distributor 5 respectively, are provided with the first valve 14 on the first leg,
The second valve 15 is provided with the second branch road；Alkali liquid tank 9 is provided with above described 6 side of tank, by automaton
Control alkali liquid tank 9 adds the pH that alkali liquor adjusts water bath shampoo into tank 6.
Wherein, described air channel 2 is made up of primary air air channel and auxiliary air channel.
Described collecting tubule 51 is circular or oval or oblong or discoid shape pipe, substantially using cylinder
Pipe；Described bubbling pipe 52 is circular or oval or oblong or discoid shape pipe, substantially using oblong pipe.
Arrange at the top of every bubbling pipe 52 and at least 2 misarrangements row are set at the top of single spray-hole 53, or every bubbling pipe 52
The spray-hole 53 of arrangement.Described spray-hole 53 substantially adopts circular port, it would however also be possible to employ oval or oblong or flat
Circular port.
Described heat-exchanging tube bundle 7 is square or triangle or U-tube arrangement, and the heat exchanger tube of heat-exchanging tube bundle 7 is with strong
Change the corrugated tube or interior ripple male-pipe or corrugated tubing or finned tube or conduit pipe of heat transfer structure.
Described gas-liquid separator 11 is that corrugated sheet or wire mesh membrane or corrugated sheet add wire mesh membrane combinative structure type gas-liquid separation
Device.
During using submerged combustion gasifier of the present invention：By aerator 1 by the air of air Jing air channels 2, burner 3
Import is sent in burner 3, and air is sufficiently mixed with the fuel gas of the fuel gas inlet entrance of spontaneous combustion burner 3 in the burner 3,
Combustor 4 is entered Jing after igniting, and the air and fuel gas after being sufficiently mixed burns in combustor 4 and produce high-temperature flue gas；It is high
Warm flue gas is via the bubbling pipe 52 of flue gas distributor 5 in the water bath shampoo in tank 6.Inside weir flow case 8, a large amount of bubbles are stirred
Dynamic water bath shampoo, the air-water mixture of formation produce the effect for rising, and the water after reaching at the top of weir flow case 9 in air-water mixture overflows
Go out weir flow case, circulate in outer formation of heat-exchanging tube bundle 7, enhance the heat exchange of water and tube bank.Low-temperature flue gas after sufficiently cool
Escape from water bath shampoo, into chimney 10, the external world is entered Jing after 11 air-water of gas-liquid separator is separated；Adjusted by adjusting chimney
Valve 13 and bypass valve 12, the flow of low-temperature flue gas in controlling the flue gas flow of chimney and bypassing.Bypass two branch roads of Jing are the
One branch road, the second branch road are connected with burner 3, flue gas distributor 5 respectively, and low-temperature flue gas are incorporated into burner 3, flue gas respectively
In distributor 5, by the first valve 14, the second valve 15 adjust into burner 3, the low-temperature flue gas of flue gas distributor 5 point
Flow.The low-temperature flue gas being incorporated in burner 3, into the high-temperature flue gas mixing that combustor 4 and burning are produced, had both avoided heat
The loss of amount, while and reduce the temperature of the high-temperature flue gas produced during burning, the requirement of combustor selection is reduced, section is reached
The about purpose of the energy and cost.The low-temperature flue gas that 5 import of Jing flue gas distributors is entered, are mixed with the high-temperature flue gas from combustor 4
Close, water bath shampoo is entered again by bubbling pipe 52, strengthen the disturbance of water bath shampoo, enhanced heat exchange, and can further reduce cigarette
Gas exhaust gas temperature, improves heat exchange efficiency more than 20%.Water bath shampoo in tank 6 as cooling water, by lower water inlet 42
Into water leg 43, Jing spiral stream guidances band or spiral deflector 41 are flow at the top of combustor 4, and the outer wall of burner 4 is carried out
Cooling, the cooling water after heat absorption are turned back and return to the temperature for both having reduced the high-temperature flue gas produced during burning 6 in tank, avoid again
The loss of heat, reduces the requirement of combustor 4 selection, reaches the purpose of energy saving and cost.
Alkali liquid tank 9 is located at 6 side of tank higher than the position at the top of tank 6, can be added into tank 6 by automaton
The alkali liquor of the amount of reordering, after the water bath shampoo in tank 6 has dissolved acid gas in flue gas, pH value is reduced, when water in monitoring screw clamp 6
When the pH value of body lotion drops to certain limit, alkali liquor is added by automaton into tank 6, it is to avoid water-bath in tank 6
Liquid exchanges the corrosion of heat pipe bundle 7 and flue gas distributor 5 after acidity is presented, extend the service life of equipment.
Claims (10)
1. a kind of energy-saving submerged combustion gasifier, it is characterised in that it includes aerator, air channel, burner, burning
Room, flue gas distributor, tank, heat-exchanging tube bundle, weir flow case, alkali liquid tank, chimney and gas-liquid separator, chimney regulating valve；It is described
Aerator Jing air channels be connected with the air intlet of burner, the outlet of described burner and positioned at described tank one
The combustor of side is connected；The outlet of described combustor and the import of flue gas distributor connection；Described flue gas distributor includes
Collecting tubule and bubbling pipe, one end of described bubbling pipe are connected with collecting tubule, and bubbling pipe is located at the lower section of heat-exchanging tube bundle, are roused per root
At the top of bubble pipe, at least row's spray-hole is set；Described weir flow case is supported by being fixed on the support of bottom of gullet, and described changes
Heat pipe bundle is by the suspension strut structure suspension strut for being arranged on weir flow box top, and is immersed in the water bath shampoo in tank；It is described
The import of heat-exchanging tube bundle be connected with liquefied natural gas feed-line, outlet is connected with natural gas transmission pipeline；Described chimney
It is connected with sink top；Gas-liquid separator is installed inside described chimney；Described chimney is provided with chimney regulating valve use
In the flue gas flow for adjusting out chimney, chimney regulating valve is located at the top of gas-liquid separator；Described chimney bottom is provided with side
Road, bypass Jing tie points are connected with burner, and bypass the second branch roads of Jing are connected with flue gas distributor.
2. energy-saving submerged combustion gasifier according to claim 1, it is characterised in that described air channel is by leading
Air channel and auxiliary air channel composition.
3. energy-saving submerged combustion gasifier according to claim 1, it is characterised in that described combustor periphery sets
The bottom for having water leg, water leg is provided with water inlet, and water leg is internally provided with spiral stream guidance band or spiral deflector, water leg
Top be provided with outlet.
4. energy-saving submerged combustion gasifier according to claim 1, it is characterised in that described collecting tubule is circle
Or oval or discoid shape pipe；Described bubbling pipe is circular or oval or discoid shape pipe；
Spray-hole single or that at least 2 rows are staggered in arrangement is set at the top of every bubbling pipe.
5. energy-saving submerged combustion gasifier according to claim 1, it is characterised in that fill water in described tank
Body lotion；Tank is provided with overfall and leakage fluid dram, and top covers dismountable cover plate.
6. energy-saving submerged combustion gasifier according to claim 1, it is characterised in that described heat-exchanging tube bundle is in just
Square or triangle or U-tube arrangement, the heat exchanger tube of heat-exchanging tube bundle is corrugated tube or interior ripple male-pipe or corrugated tubing or fin
Pipe or conduit pipe.
7. energy-saving submerged combustion gasifier according to claim 1, it is characterised in that described suspension strut structure
For support beam, described heat-exchanging tube bundle is fixed in weir flow case by support beam, is immersed in the water bath shampoo in tank.
8. energy-saving submerged combustion gasifier according to claim 1, it is characterised in that described alkali liquid tank is arranged on
Above tank side.
9. energy-saving submerged combustion gasifier according to claim 1, it is characterised in that described gas-liquid separator is
Corrugated sheet or wire mesh membrane or corrugated sheet add wire mesh membrane combinative structure type gas-liquid separator.
10. energy-saving submerged combustion gasifier according to claim 1, it is characterised in that described bypass is located at gas-liquid
Separator side-lower；Bypass valve is provided with described bypass, and bypass valve is positioned close to the side of chimney；First
The first valve is provided with branch road, is provided with the second valve on the second branch road.
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| CN101688641A (en) * | 2007-02-16 | 2010-03-31 | 塞拉斯流体工艺设计公司 | The device and the process that are used for submerged combustion/ambient air liquefied natural gas vaporization |
| CN103322406A (en) * | 2013-07-02 | 2013-09-25 | 宁波中能连通机械有限公司 | Immersed gasification device |
| CN203823430U (en) * | 2014-02-13 | 2014-09-10 | 四川宝力能源装备有限公司 | Novel efficient LNG (Liquefied Natural Gas) gasifier |
| CN104235606A (en) * | 2014-07-15 | 2014-12-24 | 中国石油集团渤海石油装备制造有限公司 | Liquefied natural gas heating and gasifying device |
| CN205026386U (en) * | 2015-09-22 | 2016-02-10 | 江苏中圣压力容器装备制造有限公司 | High -efficient submerged combustion formula vaporizer |
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| CN105156882A (en) | 2015-12-16 |
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