CN101688641A - The device and the process that are used for submerged combustion/ambient air liquefied natural gas vaporization - Google Patents
The device and the process that are used for submerged combustion/ambient air liquefied natural gas vaporization Download PDFInfo
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- CN101688641A CN101688641A CN200880010633A CN200880010633A CN101688641A CN 101688641 A CN101688641 A CN 101688641A CN 200880010633 A CN200880010633 A CN 200880010633A CN 200880010633 A CN200880010633 A CN 200880010633A CN 101688641 A CN101688641 A CN 101688641A
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- water
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- cryogenic liquide
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/08—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C3/00—Combustion apparatus characterised by the shape of the combustion chamber
- F23C3/004—Combustion apparatus characterised by the shape of the combustion chamber the chamber being arranged for submerged combustion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C3/00—Other direct-contact heat-exchange apparatus
- F28C3/06—Other direct-contact heat-exchange apparatus the heat-exchange media being a liquid and a gas or vapour
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/0061—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for phase-change applications
- F28D2021/0064—Vaporizers, e.g. evaporators
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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
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- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention provides a kind of system that is used to make the cryogenic liquide vaporization.This system comprises and is used to the pipeline that holds the container of water and be used to transport cryogenic liquide that wherein at least a portion of pipeline is positioned in the container and is positioned to be immersed in the water.Sparger is positioned in the container at least in part and is configured to supply water in the container, and the heat exchange between water and the cryogenic liquide makes the cryogenic liquide vaporization.
Description
Technical field
The present invention relates to a kind ofly be used to utilize submerged combustion vaporizer to make cryogenic liquide that the system and method for vaporization take place.
Background technique
Often must or require cryogenic liquide is vaporized, just make cryogenic liquide that vaporization takes place and reach vapor state.For example,, often must or require to make LNG Liquefied natural gas (LNG), cryogenic liquide vaporization, make it can be used as fuel source and obtain transportation and distribution though there is the multiple application that is used for vaporizing liquid.
The vaporizer of submerged combustion type or vaporizer generally include the container (for example tank) that includes heat exchange medium, be positioned at and be used to carry the exchanger tube bank of cryogenic liquide in the tank and be installed in be used to the flue gas leading that heats cryogenic liquide and make the gas burner of its vaporization thus in the tank.Gas burner enters tank with gas of combustion, and it adds the hot water co-current flow and crosses the vaporization of the cryogenic liquide of exchanger tube bank heat is provided.Such carburetion system is for example provided with TM trade mark SUB-X by the T-Thermal Company of subsidiary of Selas Fluid Processing Corporation.Exemplary carburetion system is also disclosed in the US patent application publication No.2006/0183064 that authorizes people such as Rost.
The verified vaporization for cryogenic liquide of such carburetion system is effective.However, still need to improve with the method and system of the vaporization that realizes cryogenic liquide to being used for adding the thermal water source in submerged combustion vaporizer.
Summary of the invention
According to an aspect of the present invention, the invention provides a kind of system that is used to make the cryogenic liquide vaporization.This system comprises the container that is used to hold water, and the pipeline that is used to transport cryogenic liquide, and at least a portion of wherein said pipeline is positioned in the described container and is positioned to be immersed in the water.Sparger is positioned in the container at least in part and is configured to supply water in the described container, and wherein the heat that exchanges between water and the cryogenic liquide makes cryogenic liquide vaporize.
According to a further aspect in the invention, the invention provides a kind of method of utilizing the low-temperature vaporization system to make cryogenic liquide vaporization, described low-temperature vaporization system comprises that the cryogenic liquide that is used to hold the container of water and is positioned at least in part in the container transports pipeline.This method may further comprise the steps: supply water in the container by the water ejector that is positioned at least in part in the container; And make cryogenic liquide vaporization by carrying out heat exchange between the cryogenic liquide in water and pipeline.
According to a further aspect in the invention, the invention provides a kind of method that the cryogenic liquide carburetion system is reequiped.This method may further comprise the steps: sparger is positioned in the container at least in part, is used to supply water in the container; And make cryogenic liquide vaporization by carrying out heat exchange between the cryogenic liquide in water and the pipeline.
According to a further aspect in the invention, the invention provides a kind of water ejection assemblies, it is configured to be positioned at least in part in the container of cryogenic liquid vaporizer.Described water ejection assemblies comprises the pipeline of supplying with from the water of water system and at least one sparger from the pipe extension to the container.A plurality of holes are arranged on described at least one sparger and are used to supply water in the container.
According to a further aspect in the invention, the invention provides a kind of method that supplies water in the cryogenic liquid vaporizer.This method comprises by supply water to the step in the container along the surperficial a series of holes that limit of sparger.
Description of drawings
With reference to the accompanying drawings for example selected several embodiments illustrative embodiments of the present invention is described, among the figure:
Fig. 1 is the schematic diagram according to the submerged combustion vaporization system of an exemplary embodiment of the present invention;
Fig. 2 A is the front schematic view according to the submerged combustion vaporization system of an exemplary embodiment of the present invention;
Fig. 2 B is the schematic plan view of the submerged combustion vaporization system shown in Fig. 2 A;
Fig. 2 C is the cross-sectional view of the submerged combustion vaporization groove shown in Fig. 2 B of 2C-2C along the line intercepting;
Fig. 3 is the perspective view that the submerged combustion vaporization system shown in Fig. 2 A-2C is observed from rear side, and its part is removed to expose inside detail;
Fig. 4 is the perspective view of right side observation in the past of the submerged combustion vaporization system shown in Fig. 2 A-2C, and its part is removed to expose inside detail;
Fig. 5 is the perspective view that the submerged combustion vaporization system shown in Fig. 2 A-2C is observed from following right side, and its part is removed to expose inside detail;
Fig. 6 A be can be in submerged combustion vaporization system shown in Figure 5 the partial top view of mode of execution that adopt, the water ejection assemblies; And
Fig. 6 B is the side view of the water ejection assemblies shown in Fig. 6 A.
Embodiment
The present invention will be described with reference to the accompanying drawings.These accompanying drawings are used to exemplary rather than restrictive, and involved thus so that explain the present invention.These accompanying drawings needn't have any specific scale or ratio.
The vaporization with the execution cryogenic liquide in the tank of the waste gas of heat being introduced carburetion system, perhaps or even replace this scheme, the waste water of heat also selectively is introduced in the tank, thereby heat transfer is arrived cryogenic liquide, to realize or to promote the vaporization of cryogenic liquide.More specifically, Re waste water can be fed in the tank under the temperature of the temperature distribution that receives tank.The waste water of heat can be by circulating with direct contact that receives tank, and perhaps waste water alternatively can separate with the reception tank by adopting the transmission of heat coil pipe, and described transmission of heat coil pipe comprises hot water and is immersed in the tank.The waste water of heat is from the guiding that receives tank and remove, and is to realize via the pipeline that links to each other with the tank seal container.In addition, can adopt pump and stirrer in receiving tank, to produce eddy current, to improve the heat conduction efficiency between hot water and the cryogenic liquide.
By the waste water of the heat in being fed into tank and the higher temperature gradient between the tank itself, be convenient to carry out transmission of heat between hot waste water and the cryogenic liquide.Yet have been found that lacking under the situation of high-temp water source, can promote vaporization by the water of introducing (for example under only about about 15 Fahrenheit temperature of 5-more than the tank temperature) under the less temperature gradient.Particularly, the carburetion system water that can be configured to adopt temperature to be lower than the wastewater temperature of above-mentioned heat promotes vaporization.
Particularly with reference in the accompanying drawing for example selected mode of execution, Fig. 1 provide according to an aspect of the present invention totally by the schematic representation of the mode of execution of the carburetion system of reference character 1 expression.Carburetion system 1 comprises the burner 2 that is communicated with vaporizer 3 fluids.Burner 2 is configured to receive and is used for the fuel/air mixture 4 of reacting in burner 2.Burner 2 also selectively is configured to discharge the waste gas 5 that the reaction because of fuel/air mixture 4 produces.Vaporizer 3 is configured to receive waste gas 5 from burner 2.Vaporizer 3 also is configured to the waste gas bubble is entered in the tank.
Except waste gas 5 or replacement waste gas 5, vaporizer 3 also is configured to receive current 9 from the water system (not shown), and makes current 10 to get back to water system than current 9 lower temperature.Vaporizer 3 also is configured to receive cryogenic liquide 6 and discharges bog 7.
Promoted cryogenic liquide 6 to be vaporizated into bog 7 from burner 2 to the hot waste gas 5 of vaporizer 3 dischargings.Thereby, provide from the heat of waste gas 5 to make cryogenic liquide 6 realize the thermal source of vaporizing via the heat exchange in tank.Vaporizer 3 is from the received waste gas 5 of burner 2, with the form of saturated waste gas 8 by from vaporizer 3 rows to atmosphere.
Similar with the hot waste gas 5 of discharging from burner 2, the current 9 that are discharged to vaporizer 3 from the water system (not shown) have also promoted cryogenic liquide 6 to be vaporizated into bog 7.Except or replace hot waste gas 5 can also comprise current 9, to be used to realize the vaporization of cryogenic liquide 6.Thereby, the thermal source that is used to make cryogenic liquide 6 vaporizations also is provided from the heat of current 9.The current 9 that receive from the water system (not shown) in the vaporizer 3 are discharged from vaporizer 3 with the form of the current 10 of relatively lower temp, and turn back to the water system (not shown), are used to reheat and circulate.
Fig. 2 A and 2B provide according to an aspect of the present invention totally by another schematic representation of the mode of execution of the carburetion system of reference character 100 expressions.Vaporizer 100 totally comprises submerged combustion vaporization (SCV) groove (tank) 122, be configured to SCV groove 122 discharge hot gas burner 108, be configured to reflux line 53 that the water from the water system (not shown) is entered the water ejection assemblies 12 in the SCV groove 122 and is configured to the water of low temperature is carried back from SCV groove 122 water system.
Except burner 108 or replace burner 108, water ejection assemblies 12 to be configured to supply with current to SCV groove 122, be used to impel the cryogenic liquide vaporization, this point is described in more detail with reference to all the other accompanying drawings.From the water system (not shown) for example water tower supply with current.Suitable water tower is disclosed in the U.S. Patent No. 6,622,492 that all is incorporated herein by reference at this, authorize Eyerman.Reflux line 53 is configured to make current recirculation to get back to water system, gets back to SCV groove 122 to reheat and to supply with.
According to a kind of illustrative embodiments, in operation, the waste gas that produces because of the reaction of fuel and air mixture passes burner 108 and advances downwards.Waste gas outwards is forced to from burner 108 subsequently and enters exhaust manifold and allocation component 116 (referring to Fig. 3-5), is used to supply to SCV groove 122.Hot gas passes the exhaust manifold shown in Fig. 3-5 and allocation component 116 is introduced in the SCV groove 122.By discharge air separator 124 and exhaust chimney 126, gas is discharged from SCV groove 122 subsequently.
Parallel ground with hot waste gas, flow of hot water is passed ejection assemblies 12 and is fed in the SCV groove 122 from water system.Be that in case current enter in the SCV groove 122, then heat is in flow of hot water and transport between the coil pipe of cryogenic liquide and exchange with reference to what Fig. 2 C illustrated in greater detail.Current pass reflux line 53 with lower temperature and get back to water system.Can from aforesaid SCV groove 122, supply with and remove hot water in continuous circuit mode.
Referring now to Fig. 2 C, show the cross section of the SCV groove shown in Fig. 2 B of 2C-2C along the line intercepting, the inside detail of its expression SCV groove 122.SCV groove 122 is filled with heat exchange medium (for example water or any other suitable heat exchange medium) at least in part.Heat exchange medium can be called as " tank " (water bath) at this.In operation, in case the hot waste gas from burner 108 is introduced in the heat exchange medium, bubbling when then hot waste gas passes heat exchange medium makes the temperature of heat exchange medium raise thus, and is convenient to the heat exchange from heat exchange medium to the cryogenic liquide that flows through the tube bank that is arranged in heat exchange medium.
More specifically, SCV groove 122 comprises tube bank 118, and the cryogenic liquide circulation is passed this tube bank to realize vaporization.In the U.S. Patent Publication No.2006/0183064 that authorizes people such as Rost, described and restrained other details of 118.In SCV groove 122, be provided with respectively by reference character 146 and 148 expression LNG Liquefied natural gas import and gas outlet manifolds.By import and outlet manifold 146 and 148, LNG Liquefied natural gas or any other cryogenic liquide are introduced in the tube bank, and the rock gas that produces is discharged from tube bank just.
In this illustrative embodiments, tube bank 118 comprises four pipes, and each extends to the outlet 148 that is used for vaporized natural gas (or other gases) since the import 146 that is used for LNG Liquefied natural gas (or other cryogenic liquides).Import 146 and outlet 148 have and a plurality ofly are used for and restrain the opening that (for example restraining 118) links to each other.Thereby, a plurality of tube banks 118 location adjacent one another are, and connect into import 146 and outlet 148 fluids and be communicated with, so that the flow channel of intensive layout to be provided, wherein cryogenic liquide can pass these flow channels to vaporize.For example, import 146 and outlet 148 can be held up to 15 or more restrain 118, and each tube bank 118 selectively comprises four pipes.In this embodiment, tube bundle assembly will be provided for 60 pipes that cryogenic liquide (for example LNG Liquefied natural gas (LNG)) flows.Each tube bank 118 can also have and is less than or more than four pipe, and tube bundle assembly can also have and is less than or more than 15 rows' tube banks.
Be assigned to the heat exchange medium of SCV groove 122 for the ease of hot gas from burner 108, a plurality of flue gas sparger 138 evenly are positioned at below the tube bank 118.With reference to Fig. 3-5 interconnection between a plurality of flue gas sparger 138 and the burner 108 is described.Each flue gas sparger 138 comprises a plurality of holes 142, is used for hot waste gas is distributed in the heat exchange medium of SCV groove 122.Heat exchange between the cryogenic liquide in hot waste gas, heat exchange medium and the tube bank 118 impels the cryogenic liquide vaporization, thereby produces cryogenic gas.In the US patent publication No.2006/0183064 that authorizes people such as Rost, this phenomenon has been described also.
Except the heat that is provided by flue gas sparger (and replenishing it), a plurality of water ejectors 20 evenly are positioned at below the flue gas sparger 138, and being used for provides heat to the heat exchange medium of SCV groove 122.With reference to Fig. 3-6B interconnection between all the other ejection assemblies 12 shown in each water ejector 20 and Fig. 2 A, the 2B is described.Each water ejector 20 comprises a plurality of holes 22 as shown in the figure, is used for making hot water evenly to distribute at the whole heat exchange medium of SCV groove 122.Replace or except the heat that is provided by hot waste gas, the vaporization of cryogenic liquide is convenient to or is helped in the heat exchange between the interior cryogenic liquide of hot water, heat exchange medium and tube bank 118.
According to an exemplary application of the present invention, the temperature of the hot water that is distributed by water ejector 20 has produced the little hot driving force that is used for heat exchange thus only a little more than the temperature distribution of the heat exchange medium (for example water-bath) in the SCV groove 122.In other words, the temperature gradient between the temperature distribution of the hot water that is distributed by water ejector 20 and heat exchange medium is relative less.Because hot driving force is restricted, so water ejector 20 is configured to realize that the maximum turbulent kinetic energy around cryogenic tube bundle 118 discharges, thereby is convenient to the available heat exchange between water and the cryogenic liquide.
By limiting examples, the temperature gradient between the hot water that is distributed by water ejector 20 and the temperature distribution of heat exchange medium is about 15 Fahrenheit temperature of about 5-.And according to an exemplary embodiment of the present invention, the temperature of heat exchange medium remains on about 55 Fahrenheit temperature, and the temperature of the water that is distributed by water ejector is about 65 Fahrenheit temperature.Although it is less to be used for the hot driving force of heat exchange, but water ejector 20 is particularly suitable for being convenient to make that the water of a large amount of heating is supplied in the heat exchange medium by homogeneous quality with distributing, thereby can carry out enough heat exchanges so that the cryogenic liquide of restraining in 118 is vaporized, this point obtains more detailed description with reference to Fig. 6 A and 6B.
Have been found that with even distributed heat water in the SCV groove to combine, in heat exchange medium, can be enough to make the cryogenic liquides in the tube bank 118 to be vaporized a large amount of hot water supplies under the less temperature gradient conditions.If can not obtain the hot water of obvious higher temperature, water ejector then of the present invention is effectively alternative.Water ejector of the present invention effectively utilizes the more hot water of low temperature, the perhaps water that for example obtains from atmosphere heating process.
Except foregoing, under the situation that input requires from the minimizing heat of conventional fuel Combustion Source (for example burner 108), the heat exchange that water ejector 20 has obviously improved.Therefore, rely on the additional heat that is improved by water ejector 20, burner 108 can be operated under lower load.This shows,, can realize the saving of significant energy consumption by the operation of water ejection assemblies 12.
According to an exemplary application of the present invention, hot water obtains spraying by the hole 22 of water ejector 20 below flue gas sparger 138, and water mixes in the regions of turbulent flow of heat exchange medium there.Produce the regions of turbulent flow of heat exchange medium by the hot waste gas (or air) of emitting from flue gas sparger 138.Turbulent mixture and homogeneous quality are distributed with and help guarantee to produce maximum heat exchange between the two under the less conditions of the temperature gradient between hot water and the SCV groove heat exchange medium.
Referring now to Fig. 3-5, show the detailed view of the inner member of SCV groove 122.SCV groove 122 totally comprises water ejection assemblies 12, cryogenic tube bundle 118, exhaust manifold and allocation component 116 and the container that is used to hold heat exchange medium and parts 12,116 and 118.Water ejection assemblies 12, cryogenic tube bundle 118 and exhaust manifold and allocation component 116 have been shown in Fig. 3 and 4, and in order to represent the clear described container that saved.Figure 5 illustrates water ejection assemblies 12 and exhaust manifold and allocation component 116, and in order to represent clear saved container and cryogenic tube bundle 118.
However pipeline 25 can contemplate other shape of cross sections equally being columniform in shape basically.Pipeline 25 links to each other with the water system (not shown) by flange 37.A plurality of supporting members 27 are set come supporting flue with the base that nestles up SCV groove 122 (not shown).
Be clearly shown that in Fig. 5 exhaust manifold and allocation component 116 (hereinafter being called as assembly 116) receive hot waste gas from burner 108.Assembly 116 comprises hot waste gas conduit 128 and a series of flue gas sparger 138 (schematically showing 22).Each sparger 138 from waste gas duct 128 stretch out and link to each other with waste gas duct 128 with, therefrom receive hot gas and hot gas supplied in the heat exchange medium in the SCV groove 122.Particularly, sparger 138 passes the hole 142 that is arranged on the flue gas sparger 138 hot waste gas is assigned in the heat exchange medium of SCV groove.Assembly 116 receives hot air flows, and for be implemented in the SCV groove 122 evenly distribute basically and with this gas partitions, to promote the heat exchange between hot gas, heat exchange medium and final cryogenic liquide (for example circuit LNG Liquefied natural gas in tube bank 118).And exhaust manifold and allocation component 116 are nonadiabatic, and are immersed in the tank fully, so that 118 heat exchange maximization from waste gas to the cryogenic tube bundle.
A plurality of openings 142 that each sparger 138 has closed end 140 and locatees along its upper surface substantially, thus allow hot gas in sparger 138, to flow to the heat exchange medium of SCV groove 122.
Referring now to Fig. 6 A and 6B, show the scrap detail view of water ejection assemblies 12.In Fig. 6 A and 6B, show the partial top view and the side view of water ejection assemblies 12 respectively.
Each water ejector 20 comprises the vast sky core barrel with closed end 23.A series of holes 22 for being evenly distributed in the SCV groove 122, water are set on upper surface.Single row of holes 22 vertically is incorporated into water in the heat exchange medium towards flue gas sparger 138.The size in these holes 22 is designed to the loss of pressure head (for example 20PSIG) that provides enough, thereby can guarantee the homogeneous quality flow rate of water as described below.
According to an illustrative embodiments, and by limiting examples, water ejection assemblies 12 comprises ten water ejectors 20 that extend from it.Each water ejector comprises lip-deep at least two ten one holes 22 that are evenly distributed on water ejector, and each hole 22 has about at least 1
3/
16The diameter of inch.Should be realized that water ejector can comprise the hole of any amount, any diameter, to obtain required flow pattern.Water ejector 20 be configured between the heat exchange medium in hot water and the SCV groove heat gradient hour, the circulation of passing SCV groove 122 by a large amount of hot water maximizes the heat exchange between hot water and the cryogenic tube bundle 118.For example, and according to an illustrative embodiments, be included in the water in the container and be distributed in temperature difference between the hot water in the container by water ejector 20, can be less than ten Wu Huashi temperature.
For the water and the heat exchange between the vessel water that are distributed by sparger are maximized under the gradient under so less temperature, each water ejector 20 is configured to per minute with about at least 2,800 gallons water supplies to size and is designed to hold in the container of about at least 30,000 gallons water.And the flow (gallon per minute) (water that per minute is 28,000 gallons) that is assigned to the water in the container by the water ejector 20 that amounts to ten can be greater than 0.9: 1 with the ratio that is contained in the water yield (gallon) in the container.
Be associated with the buoyancy that waste gas or air provided of being discharged by flue gas sparger 138, the water mass rate of emission promotion water of each water ejector 20 is advanced forward and is mixed with cryogenic tube bundle 118, makes the heat exchange maximization between water and the cryogenic tube bundle 118 thus.In addition, be fed into the track and the maximum discharge speed of the water in the SCV groove 122, stoped water to walk around cryogenic tube bundle 118 and directly advance to the water reflux line 53 shown in Fig. 2 A and the 2B by each water ejector 20.This unfavorable phenomenon is referred to herein as " short circuit (short circuiting) ".
Except a large amount of hot water are passed SCV groove 122 circulates, water ejector 20 is constructed such that also hot water evenly distributes to improve rate of heat transfer and to stop short circuit through the heat exchange surface of tube bank 118.What make the further needs of the even distribution of hot water is that water ejector makes hot water minimum the cycle time in the SCV groove.Described short circuit has often reduced overall thermal efficiency.
It will be recognized by those skilled in the art that ejection assemblies 12 can retrofit by multiple different structure, and can comprise any amount of sparger 20, these spargers 20 have any amount of hole 22 that is arranged in a plurality of diverse locations, pass flowing of SCV groove 122 to adapt to water.
According to an exemplary purposes of the present invention, ejection assemblies 12 can be reequiped on existing submerged combustion vaporizer (SCV), so that hot water circulates in the SCV of vaporizer groove.Can expect that water ejector 20 can pass the wall location of SCV groove and be immersed in the heat exchange medium that is contained in the SCV groove.By such mode, the SCV of repacking can be used for obtaining the occasion of hot water, to utilize favourable weather, reduce the dependence of fuel injection burner or other heating devices or to reach any other above-mentioned advantage of water ejection assemblies.
Although for the embodiment of water ejection assemblies 12 shown in the drawings is described, can adopt multiple structure to supply with water with heat exchange medium to vaporizer.According to the application-specific or the size restrictions of carburetion system, the water ejection assemblies can have multiple shape, size and structure.Yet preferably, described assembly can be configured to basically uniformly mode in heat exchange medium, distributes a large amount of water, make heat evenly to be distributed, with the vaporization of realization cryogenic liquide.
Although illustrate and described the present invention with reference to embodiment at this, the present invention is not the details shown in will being confined to.On the contrary, can in the equivalency range of claim and under the premise of not departing from the present invention, make multiple change to these details.
Although, will recognize that these mode of executions only are to provide by way of example this illustrate and described preferred implementation of the present invention.Those skilled in the art make multiple change, variation and replacement under the prerequisite that does not break away from spirit of the present invention.Thereby accessory claim is covered with all such changes that fall in the spirit and scope of the invention.
Claims (21)
1. system that is used to make the cryogenic liquide vaporization, it comprises:
Be used to hold the container of water;
Be used to transport the pipeline of cryogenic liquide, at least a portion of wherein said pipeline is positioned in the described container and is positioned to be immersed in the water; And
At least one water ejector, it is positioned in the container at least in part and is configured to supply water in the described container, and wherein the heat that exchanges between water and the cryogenic liquide makes cryogenic liquide vaporize.
2. the system as claimed in claim 1 is characterized in that, also comprises being arranged on the described water ejector, being used for moisture is fitted on a plurality of holes in the described container.
3. system as claimed in claim 2 is characterized in that, the diameter in the described hole of each of described water ejector is about 1
3/
16Inch.
4. system as claimed in claim 3 is characterized in that each water ejector comprises at least 21 holes.
5. the system as claimed in claim 1 is characterized in that, also comprises a plurality of water ejectors that evenly are positioned in the described container.
6. the system as claimed in claim 1 is characterized in that, described water ejector is configured to per minute can supply with about at least 2,800 gallons water in container, and the size of described container is designed to comprise about 30,000 gallons water at least.
7. the system as claimed in claim 1 is characterized in that, by at least one water ejector total discharge (gallon per minute) that is assigned to the water in the container and the ratio that is included in the water yield (gallon) in the container greater than about 0.09: 1.
8. the system as claimed in claim 1 is characterized in that, also comprises being positioned in the container at least in part and being configured to waste gas is supplied at least one exhaust piping in the described container.
9. the system as claimed in claim 1 is characterized in that, at least a portion of described exhaust piping is positioned in and is used to transport between the described pipeline and described water ejector of cryogenic liquide.
10. system as claimed in claim 8 is characterized in that, is comprised in the water in the container and is assigned to temperature difference between the water in the container by water ejector, less than about 15 Fahrenheit temperature.
11. method that in the low-temperature vaporization system, makes the cryogenic liquide vaporization, wherein said low-temperature vaporization system comprises that the cryogenic liquide that is used to hold the container of water and is positioned at least in part in the container transports pipeline, and the described method of cryogenic liquide vaporization that makes may further comprise the steps:
Supply water in the container by the water ejector that is positioned at least in part in the container; And
Make cryogenic liquide vaporize by carrying out heat exchange between the cryogenic liquide in water and pipeline.
12. method as claimed in claim 11 is characterized in that, the step that supplies water in the container comprises: per minute is supplied with about 28,000 gallons water at least in container, the size of described container is designed to comprise about 30,000 gallons water at least.
13. method as claimed in claim 11 is characterized in that, comprises that also the temperature that will supply to the water in the container remains on the high approximately 5-15 Fahrenheit temperature of temperature than the water that is comprised in container.
14. method as claimed in claim 11 is characterized in that, also comprises the steps: to transport a position between the pipeline at water ejector and cryogenic liquide, by exhaust piping waste gas is supplied in the container.
15. method as claimed in claim 11 is characterized in that, also comprises the step that extracts water from container and described water is supplied to water system.
16. the method that the cryogenic liquide carburetion system is reequiped, described cryogenic liquide carburetion system comprise that the cryogenic liquide that is used to hold the container of water and be positioned at described container at least in part transports pipeline, said method comprising the steps of:
Water ejector is positioned in the container at least in part, is used to supply water in the container; And
Make the cryogenic liquide vaporization by carrying out heat exchange between water and the cryogenic liquide in pipeline.
17. a water ejection assemblies is configured to be positioned at least in part in the container of cryogenic liquid vaporizer, described water ejection assemblies comprises:
To the pipeline of supplying with from the water of water system;
At least one sparger from the pipe extension to the container; And
Be limited in described at least one sparger, be used to supply water to a plurality of holes in the container.
18. water ejection assemblies as claimed in claim 17 is characterized in that, the diameter in the described hole of each of described water ejector is about 1
3/
16Inch.
19. water ejection assemblies as claimed in claim 17 is characterized in that each water ejector comprises at least 21 holes.
20. water ejection assemblies as claimed in claim 17 is characterized in that, each water ejector is configured to per minute and supplies with about 2,800 gallons water at least in container.
21. method that supplies water in the cryogenic liquid vaporizer, described cryogenic liquid vaporizer comprises and is used to hold the container of water and is positioned at the interior sparger of container at least in part that described method comprises by supply water to the step in the container along the surperficial a series of holes that limit of sparger.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US90190007P | 2007-02-16 | 2007-02-16 | |
| US60/901,900 | 2007-02-16 | ||
| PCT/US2008/002045 WO2008103291A1 (en) | 2007-02-16 | 2008-02-15 | Apparatus and process for submerged combustion/ambient air liquefied natural gas vaporization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101688641A true CN101688641A (en) | 2010-03-31 |
Family
ID=39710360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200880010633A Pending CN101688641A (en) | 2007-02-16 | 2008-02-15 | The device and the process that are used for submerged combustion/ambient air liquefied natural gas vaporization |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2115346A1 (en) |
| CN (1) | CN101688641A (en) |
| AU (1) | AU2008219096A1 (en) |
| CA (1) | CA2678183A1 (en) |
| WO (1) | WO2008103291A1 (en) |
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- 2008-02-15 CN CN200880010633A patent/CN101688641A/en active Pending
- 2008-02-15 EP EP08725655A patent/EP2115346A1/en not_active Withdrawn
- 2008-02-15 WO PCT/US2008/002045 patent/WO2008103291A1/en active Application Filing
- 2008-02-15 CA CA002678183A patent/CA2678183A1/en not_active Abandoned
- 2008-02-15 AU AU2008219096A patent/AU2008219096A1/en not_active Abandoned
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| CN105156882B (en) * | 2015-09-22 | 2017-03-22 | 江苏中圣压力容器装备制造有限公司 | Energy-saving type submerged combustion gasifier |
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Also Published As
| Publication number | Publication date |
|---|---|
| EP2115346A1 (en) | 2009-11-11 |
| CA2678183A1 (en) | 2008-08-28 |
| WO2008103291A1 (en) | 2008-08-28 |
| AU2008219096A1 (en) | 2008-08-28 |
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