CN102518534B - Heating device of hydrocarbon fuel - Google Patents
Heating device of hydrocarbon fuel Download PDFInfo
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- CN102518534B CN102518534B CN201110456405.2A CN201110456405A CN102518534B CN 102518534 B CN102518534 B CN 102518534B CN 201110456405 A CN201110456405 A CN 201110456405A CN 102518534 B CN102518534 B CN 102518534B
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Abstract
The invention provides a heating device of hydrocarbon fuel. The device comprises a gas generator and a heat exchanger, wherein the heat exchanger comprises a spiral heat exchange pipe; the hydrocarbon fuel flows through the spiral heat exchange pipe; the gas generator comprises a combustion chamber used for combustion of energy-supplying fuel; and after flowing into the heat exchanger, the high-temperature fuel generated in the combustion chamber flows through the outer side of the spiral heat exchange pipe. According to the device, through chemical energy released through the full combustion of the energy-supplying fuel and an oxidant in the combustion chamber of the gas generator, a high-power heating source can be provided to the heat exchanger for a long time, the power limit when an electric heating scheme is adopted is broken through, heating of large-flow hydrocarbon fuel can be realized, and the requirement of a ground experiment of a large super-combustion jet engine is met. In addition, mass flow rate controllers are arranged on the gas generator and an inlet pipe section of the spiral heat exchange pipe respectively, so the mass flow rate of the energy-supplying fuel and the oxidant, and the mass flow rate of the hydrocarbon fuel to be heated, which enters the spiral heat exchange pipe, can be precisely controlled.
Description
Technical field
The present invention relates to heating equipment field, especially, relate to a kind of heating equipment for hydrocarbon fuel heating.
Background technique
Supersonic combustion pressed engine be take liquid hydrocarbon during as fuel, liquid carbon hydrogen fuel is conventionally first used as freezing mixture and motor is regenerated cooling, and then spray enters firing chamber and participate in burning, so spray enters that firing chamber participates in burning is the hydrocarbon fuel (hereinafter to be referred as " heating fuel ") after being heated.Research shows, there is very big difference in heating fuel spray characteristic, mixed characteristic and combustion characteristic and liquid carbon hydrogen fuel, development regeneration cooling type supersonic combustion pressed engine need to carry out large number of ground test with its combustion performance of deep grasp and working stability.In actual regeneration cooling type supersonic combustion pressed engine working procedure, the mobile and diabatic process of fuel in coolant flow channel is very complicated, and the fuel temperature after cooled engine and composition are the results of series of complex factor interaction.For by heating fuel the combustion process in supersonic combustion pressed engine and other factors independently carry out further investigation, just need to simulate after cooling pressed engine, spray enters the heating fuel before firing chamber, this has proposed development demand to being applicable to the hydrocarbon fuel heating equipment of dissimilar ground experiment.Visible, hydrocarbon fuel heating equipment is to adopt the pressed engine ground free jet of regeneration cooling work mode and the key equipment of direct-connected pilot system.
Prior art adopts the electrically heated kerosene heat protocol of secondary.The primary heater of this kerosene heating equipment adopts heat storing type electric heating system, in this primary heater, the kerosene of 0.8kg in pipe can be heated to 570K under 5.5MPa; Second level heater conduit structure is the same with the first order, by the 80～100V direct current direct-electrifying connecting at two ends, heats, like this, more than the kerosene temperature flowing out from the outlet of second level heater can reach 950K.Yet this kind of heating equipment scheme has the following disadvantages: 1, heated kerosene oil flow is less than normal, cannot meet compared with the user demand of large scale scramjet engine; 2, heated kerosene oil flow is difficult to accurate control and measurement.
In addition, also have a kind of conventional heating equipment first by preheater by normal temperature fuel preheating to 600K, the infusibility nickel-based alloy pipe that then fuel after preheating is passed into chemical reactor by name is further heated to setting temperature.Yet this heat protocol can not meet compared with the user demand of the scramjet engine of large scale.
In sum, at present both at home and abroad for maybe may be less for the hydrocarbon fuel heating equipment ubiquity fuel flow rate of scramjet engine ground system test, heating fuel flow can not accurately be controlled and the problem such as measure, and is difficult to meet the user demand of large scale motor.
Summary of the invention
The object of the invention is to provide a kind of heating equipment of hydrocarbon fuel, to solve that in prior art, fuel flow rate is little, heating fuel flow can not accurately be controlled and the technical problem such as to measure.
For achieving the above object, according to an aspect of the present invention, provide a kind of heating equipment of hydrocarbon fuel, comprised gas generator and heat exchanger; Heat exchanger comprises a spiral heat exchange tube, and hydrocarbon fuel flows through in spiral heat exchange tube; Gas generator comprises the firing chamber for energy supply fuel combustion; After the high-temperature fuel gas inflow heat exchanger producing in firing chamber, and the outside of the spiral heat exchange tube of flowing through.
Further, heat exchanger comprises the first housing and the second housing; The first housing comprises heat exchanger; The second housing is fixed in heat exchanger, and spiral heat exchange tube is sleeved on the second housing.
Further, the heating equipment of hydrocarbon fuel also comprises link; Firing chamber is fixed on the first end of the first housing by link; Link is provided with a blast tube, and blast tube is communicated with firing chamber and heat exchanger.
Further, blast tube is and first shrinks the Laval nozzle shape of expanding afterwards, the throat that the smallest cross-section area place of blast tube is blast tube along the flow direction of high-temperature fuel gas.
Further, the relation between the mass flow rate of the high-temperature fuel gas of the cross-section area of the throat of blast tube and the blast tube of flowing through is as follows:
wherein, M is the mass flow rate of high-temperature fuel gas of throat of blast tube of flowing through, the section area of the throat that At is blast tube, and Pc is the high-temperature fuel gas pressure in firing chamber, k and Rg are respectively ratio of specific heat and the gas constant of high-temperature fuel gas, and Tc is the temperature of high-temperature fuel gas in firing chamber.
Further, the second end of the first housing is fixed with Rectifier plate; On Rectifier plate, be also provided with exhaust passage; Exhaust passage is and first shrinks the Laval nozzle shape of expanding afterwards along high-temperature fuel gas flow direction, the throat that the smallest cross-section area place of exhaust passage is exhaust passage.
Further, the relation between the mass flow rate of the high-temperature fuel gas of the cross-section area of the throat of exhaust passage and the exhaust passage of flowing through is as follows:
wherein, N is the mass flow rate that flows through the high-temperature fuel gas of exhaust passage, the section area of the throat that Ab is exhaust passage, and Pd is the high-temperature fuel gas pressure in heat exchanger, k and Rg are respectively ratio of specific heat and the gas constant of high-temperature fuel gas; Tc is that high-temperature fuel gas carries out the temperature after heat exchange in heat exchanger.
Further, link is provided with a through hole; Rectifier plate is provided with through hole; Spiral heat exchange tube comprises import pipeline section and outlet pipe section; Import pipeline section through after the through hole of Rectifier plate with the equipment connection that hydrocarbon fuel to be heated is provided; Outlet pipe section through after the through hole of link with the equipment connection of the hot hydrocarbon fuel of needs.
Further, a mass flow controller is installed on import pipeline section.
Further, on firing chamber, be also fixed with for injecting the ejector filler of energy supply fuel and oxygenant; Ejector filler is provided with and is respectively used to control the energy supply fuel spray in firing chamber and two mass flow controllers of oxygenant; Ejector filler comprises and is fixed on the body of firing chamber and is arranged on some for spraying the nozzle of energy supply fuel and oxygenant on body; Nozzle is communicated with firing chamber.
The present invention has following beneficial effect: the heating equipment of hydrocarbon fuel of the present invention is by energy supply fuel and the oxygenant chemical energy that fully burning discharges in the firing chamber of gas generator, can provide for a long time powerful heating source for heat exchanger, broken through the Power Limitation while adopting electric heating scheme, can realize the heating of large flow hydrocarbon fuel, to meet the demand of large scale scramjet engine ground experiment.In addition, gas generator is provided with mass flow controller, for controlling the burning energy supply fuel that sprays in firing chamber and the mass flow rate of oxygenant, the high-temperature fuel gas temperature and the mass flow rate that in firing chamber, produce can accurately be controlled; The import pipeline section of spiral heat exchange tube is also provided with mass flow controller, for controlling the mass flow rate that enters the hydrocarbon fuel to be heated in spiral heat exchange tube, when flowing, reach after balance with heat transfer, the mass flow rate of the hydrocarbon fuel of spiral heat exchange tube import pipeline section and outlet pipe section is identical, just can accurately control the mass flow rate of the heating fuel after heating like this by the mass flow controller of inlet tube; Like this, reach after heat exchange balance the temperature constant of the heating fuel of the outlet pipe section of spiral heat exchange tube, not temporal evolution.And high-temperature fuel gas fully just enters heat exchanger participation heat exchange after reaction in firing chamber, has therefore eliminated the inner hidden danger that ablation occurs of gas generator and heat exchanger.In addition, gas generator and heat exchanger all adopt heat sink mode to realize thermal protection and without moving part, effectively simplify the structure, and whole system technology maturation, reliability is high, Security good.
Except object described above, feature and advantage, the present invention also has other object, feature and advantage.Below with reference to figure, the present invention is further detailed explanation.
Accompanying drawing explanation
The accompanying drawing that forms the application's a part is used to provide a further understanding of the present invention, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of heating equipment of the hydrocarbon fuel of the preferred embodiment of the present invention, and the heating equipment of this hydrocarbon fuel comprises link, heat exchanger and spiral heat exchange tube;
Fig. 2 is the structural representation of link of heating equipment of the hydrocarbon fuel of Fig. 1 of the present invention;
Fig. 3 is the structural representation of spiral heat exchange tube of heating equipment of the hydrocarbon fuel of Fig. 1 of the present invention; And
Fig. 4 is the spiral heat exchange tube of heating equipment of hydrocarbon fuel of Fig. 1 of the present invention and the structural representation that heat exchanger is installed together.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are elaborated, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
Please refer to Fig. 1, the heating equipment of the hydrocarbon fuel of the preferred embodiment of the present invention comprises gas generator 1, link 2 and heat exchanger 3.Heat exchanger 3 includes spiral heat exchange tube 4, and hydrocarbon fuel to be heated operationally flows through in spiral heat exchange tube 4.The high-temperature fuel gas that energy supply fuel combustion in gas generator 1 produces enters heat exchanger 3 by link 2, and flow through the outside of spiral heat exchange tube 4, for with spiral heat exchange tube 4 in hydrocarbon fuel to be heated carry out heat exchange, thereby make hydrocarbon fuel to be heated reach predetermined temperature.
Gas generator 1 comprises firing chamber 11 cylindraceous and is fixed on the ejector filler 12 of the first end of firing chamber 11.Ejector filler 12 comprises the body 121 of the first end that is fixed on firing chamber 11 and is fixed on the some nozzles 123 on body 121.Preferably, the first end of firing chamber 11 is provided with fastening flange 111, and body 121 is fixed on fastening flange 111 by fastening pieces such as screws.Energy supply fuel and oxygenant are injected in firing chamber 11 according to the mass flow rate setting by nozzle 123, and 11 interior abundant burnings form high-temperature high-pressure fuel gas in firing chamber, for heat exchanger 3 provides enough heating gases, thereby provide enough energy for the hydrocarbon fuel to be heated in heat exchanging tube 4.Preferably, ejector filler 12 is provided with two mass flow controllers, to control respectively through nozzle 123, spray into energy supply fuel in firing chamber 11 and the mass flow rate of oxygenant, the temperature of interior the produced high-temperature fuel gas in firing chamber 11 and mass flow rate can accurately be controlled.
Incorporated by reference to referring to Fig. 2, the first end of link 2 is fixed on the second end of firing chamber 11.Preferably, the second end of firing chamber 11 is provided with fastening flange 113, and the first end of link 2 is provided with flange 21, by fastening flange 113 and interfixing of flange 21 and the first end of the second end of firing chamber 11 and link 2 is fixed together.The second end of link 2 is provided with a mounting flange 23, by mounting flange 23, the second end of link 2 can be fixed on heat exchanger 3.Mounting flange 23 is provided with a through hole 231.Link 2 is provided with the first end of a through-connections 2 and the blast tube 25 of the second end.Blast tube 25 is Laval nozzle shape, along the flow direction blast tube 25 of high-temperature fuel gas, comprises the contraction section of the first end that lays respectively at link 2 and the extending section 251 of the second end, the throat 253 that the smallest cross-section area place of blast tube 25 is blast tube.The high-temperature fuel gas of gas generator 1 interior generation reaches by process Zhong，Gai throat 253 places of blast tube 25 inflow heat exchangers 3 be jammed (being that the flowing velocity of high-temperature fuel gas at throat 253 places reaches local velocity of sound).Wherein, the relation between the mass flow rate of the high-temperature fuel gas of the cross-section area of throat 253 and the blast tube 25 of flowing through is as follows:
Wherein, M is the mass flow rate (kg/s) of the high-temperature fuel gas by blast tube 25, the section area of AtWei throat 253 (m2), Pc is the high-temperature fuel gas pressure (Pa) in firing chamber 11, k and Rg are respectively ratio of specific heat and the gas constant (J/kg.K) of high-temperature fuel gas; Tc is the temperature (K) of the high-temperature fuel gas in firing chamber 11.
Please refer to Fig. 3, spiral heat exchange tube 4 is formed by isodiametric hollow metal straight tube bending.Preferably, meeting under the condition of intensity, spiral heat exchange tube 4 is formed by the large metal tube bending of thermal conductivity.Spiral heat exchange tube 4 comprises linearly import pipeline section 41 and linearly outlet pipe section 43.Wherein, the size of internal diameter of making the stainless steel straight tube of spiral heat exchange tube 4 need to make close flow valuve that hydrocarbon fuel to be heated passes through between 600kg/s.m2～6000kg/s.m2, and close stream refers to the fuel mass that the cross section of the spiral heat exchange tube 4 of unit area in the unit time flows through.The value of the helix central diameter D of spiral heat exchange tube 4 is between 10d～20d; The value of the pitch L of spiral heat exchange tube 4 is between 1.25d～2.0d, and wherein, d is the external diameter of making the stainless steel straight tube of spiral heat exchange tube 4.
Incorporated by reference to reference to Fig. 4, heat exchanger 3 also comprise tubular the first housing 31, be fixed on the second housing 33 in the first housing 31 and be fixed on the Rectifier plate 35 on the first housing 31.The first housing 31 comprises first end 311 and the second end 313 that is provided with flange.The mounting flange 23 of link 2 is fixed on first end 311; Rectifier plate 35 is fixed on the second end 313.The first housing 31 comprises a heat exchanger 315 that runs through first end 311 and the second end 313.The perisporium of the first housing 31 is provided with some fixed holes 317 that connect with heat exchanger 315.The perisporium of the second housing 33 is provided with some and fastener holes 331 fixed hole 317 correspondences, and screw or other fastening piece are fixed on the second housing 33 in the heat exchanger 315 of the first housing 31 by fixed hole 317 and fastener hole 331.Preferably, the second housing 33 is fixed in heat exchanger 315 along the center line of heat exchanger 315, and the second housing 33 is symmetrical along the center line of heat exchanger 315.Preferably, the second housing 33 is hollow cylindrical body, to save material and cost.Integrally welded by argon arc welding between the end face at the main body cylindraceous of the second housing 33 and these main body cylindraceous two ends.The circumferential surface of the second housing 33 to the distance between the internal face of heat exchanger 315 need meet high-temperature fuel gas by time average close flow valuve between 100kg/s.m2～300kg/s.m2.
The center of Rectifier plate 35 is provided with an exhaust passage 351 connecting with heat exchanger 315.This exhaust passage 351 is along the flow direction of high-temperature fuel gas the Laval nozzle shape that first shrinks further expansion, and the smallest cross-section area place of exhaust passage is called exhaust passage throat.By the throat of this exhaust passage 351, guarantee the hyperbaric environment in heat exchanger 315.Preferably, the high-temperature fuel gas pressure in heat exchanger 3 is less than 0.7 times of high-temperature fuel gas pressure in firing chamber 11, to guarantee that high-temperature fuel gas reaches and is jammed when flowing through blast tube throat 253.The flow velocity of the high-temperature fuel gas in the heat exchanger 315 of heat exchanger 3 is low like this, and in working procedure, high-temperature fuel gas is little to the impact of spiral heat exchange tube 4.A side place that is positioned at exhaust passage 351 of Rectifier plate 35 is also provided with a through hole 353.Wherein, the cross-section area of the throat of exhaust passage 351 and the relation that flows through between the mass flow rate of high-temperature fuel gas of exhaust passage 351 are as follows:
Wherein, N is the mass flow rate (kg/s) that flows through the high-temperature fuel gas of exhaust passage 351, Ab is throat's cross-section area (m2) of exhaust passage 351, Pd is the high-temperature fuel gas pressure (Pa) in the heat exchanger 315 of heat exchanger 3, and k and Rg are respectively ratio of specific heat and the gas constant (J/kg.K) of high-temperature fuel gas; Tc is that high-temperature fuel gas carries out the temperature (K) after heat exchange in heat exchanger 3.
Spiral heat exchange tube 4 is enclosed within the outer periphery of the second housing 33, and wherein, import pipeline section 41 is through the equipment that is connected to the hydrocarbon fuel that provides to be heated after the through hole 353 of Rectifier plate 35; Outlet pipe section 43 is connected to through the through hole 231 of link 2 equipment that needs to use hot hydrocarbon fuel.Preferably, on import pipeline section 41, be connected with a mass flow controller, for controlling the mass flow rate that enters the hydrocarbon fuel to be heated in spiral heat exchange tube 4.
Please referring again to Fig. 1, during use, first, the high-temperature fuel gas of gas generator 1 interior generation constantly enters the heat exchanger 315 of heat exchanger 3 by the blast tube 25 of link 2, and operate the mass flow controller at import pipeline section 41 places simultaneously, make hydrocarbon fuel to be heated constantly according to certain mass flow rate, from import pipeline section 41, flow into spiral heat exchange tubes 4; Like this, the interior high-temperature fuel gas constantly entering of heat exchanger 315 of heat exchanger 3 and the hydrocarbon fuel to be heated in spiral heat exchange tube 4 carry out heat exchange, now, heat exchanging process between the interior high-temperature fuel gas constantly entering of heat exchanger 315 and hydrocarbon fuel to be heated not yet reaches state of equilibrium, therefore, the heat exchanging process in this stage is astable, therefore the hydrocarbon fuel being flowed out by the outlet pipe section 43 of spiral heat exchange tube 4 not yet reaches target temperature, can not supply with the equipment that need to use heating fuel, but drain by outlet pipe section 43.Preferably, the heat exchanger 315 that also can first high-temperature fuel gas constantly be entered to heat exchanger 3 carries out after the preheating of a period of time with heat exchanger 3, then makes hydrocarbon fuel to be heated constantly flow into spiral heat exchange tube 4 to carry out unsteady state heat exchange.After unsteady state heat exchange after a while, the heat exchanging process of the interior high-temperature fuel gas constantly entering of heat exchanger 315 and the hydrocarbon fuel to be heated that flows through in spiral heat exchange tube 4 reaches state of equilibrium, now, the hydrocarbon fuel temperature being flowed out by the outlet pipe section 43 of spiral heat exchange tube 4 reaches target temperature, be entered into the equipment that needs to use heating fuel, for this equipment.High-temperature fuel gas in heat exchanger 315 is discharged into outside heat exchanger 315 by exhaust passage 351 after heat exchange.In said process, heat exchange is carried out in flow through the respectively interior outside of spiral heat exchange tube 4 of high-temperature fuel gas and hydrocarbon fuel to be heated, in about 10s, factors such as (relevant) concrete time and the spiral heat exchange tube material of selecting and high-temperature fuel gas temperature and mass flow rates substantially reaches and flows and heat transfer balance, need to time short.When hydrocarbon fuel to be heated reaches after mobile and heat transfer balance, spiral heat exchange tube 4 import pipeline sections 41 are identical with the mass flow rate of the hydrocarbon fuel of outlet pipe section 43, just can accurately control like this mass flow rate of the heating fuel of outlet pipe section 43 outflows after heat exchange by the mass flow controller of inlet tube 41; And the temperature constant of the heating fuel now flowing out from the outlet pipe section 43 of spiral heat exchange tube 4, not temporal evolution.
The chemical energy that the heating equipment of hydrocarbon fuel of the present invention discharges in the interior abundant burning in the firing chamber 11 of gas generator 1 by energy supply fuel and oxygenant, can provide for a long time powerful heating source for heat exchanger 3, broken through the Power Limitation while adopting electric heating scheme, can realize the heating of large flow hydrocarbon fuel, to meet the demand of large scale scramjet engine ground experiment.Gas generator 1 is provided with mass flow controller, for controlling the energy supply fuel that sprays in firing chamber 11 and the mass flow rate of oxygenant, interior the produced high-temperature fuel gas temperature in firing chamber 11 and flow can accurately be controlled; The import pipeline section 41 of spiral heat exchange tube 4 is also provided with mass flow controller, for controlling the mass flow rate that enters the hydrocarbon fuel to be heated in spiral heat exchange tube 4, when flowing, reach after balance with heat transfer, spiral heat exchange tube 4 import pipeline sections 41 are identical with the mass flow rate of the hydrocarbon fuel of outlet pipe section 43, just can accurately control the mass flow rate of the heating fuel after heating like this by the mass flow controller of inlet tube 41; Like this, reach after heat exchange balance the temperature constant of the heating fuel of the outlet pipe section 43 of spiral heat exchange tube 4, not temporal evolution.And high-temperature fuel gas fully just enters heat exchanger 3 participation heat exchange after reaction in firing chamber 11, and while fuel gas temperature is not very high and the operating time is shorter, has therefore eliminated gas generator 1 and the inner hidden danger that ablation occurs of heat exchanger 3.In addition, gas generator 1 and heat exchanger 3 all adopt heat sink mode to realize thermal protection and without moving part, effectively simplify the structure, and whole system technology maturation, reliability is high, Security good.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (6)
1. a heating equipment for hydrocarbon fuel, is characterized in that, comprises gas generator and heat exchanger;
Described heat exchanger comprises a spiral heat exchange tube, and described hydrocarbon fuel flows through in described spiral heat exchange tube;
Described gas generator comprises the firing chamber for energy supply fuel combustion;
The high-temperature fuel gas producing in described firing chamber flows into after described heat exchanger, and the outside of the described spiral heat exchange tube of flowing through;
Described heat exchanger comprises the first housing and the second housing; Described the first housing comprises heat exchanger; Described the second housing is fixed in described heat exchanger, and described spiral heat exchange tube is sleeved on described the second housing;
Described firing chamber is fixed on the first end of described the first housing by link;
Described link is provided with a blast tube, and described blast tube is communicated with described firing chamber and described heat exchanger;
Described blast tube is and first shrinks the Laval nozzle shape of expanding afterwards, the throat that the smallest cross-section area place of described blast tube is described blast tube along the flow direction of described high-temperature fuel gas;
The second end of described the first housing is fixed with Rectifier plate; The center of described Rectifier plate is provided with the exhaust passage connecting with heat exchanger, and described exhaust passage is and first shrinks the Laval nozzle shape of expanding afterwards along described high-temperature fuel gas flow direction, the throat that the smallest cross-section area place of described exhaust passage is described exhaust passage.
2. the heating equipment of hydrocarbon fuel according to claim 1, is characterized in that, the relation between the mass flow rate of the high-temperature fuel gas of the cross-section area of the throat of described blast tube and the described blast tube of flowing through is as follows:
Wherein, M is the mass flow rate of high-temperature fuel gas of throat of described blast tube of flowing through, At is the section area of the throat of described blast tube, Pc is the high-temperature fuel gas pressure in described firing chamber, k and Rg are respectively ratio of specific heat and the gas constant of high-temperature fuel gas, and Tc is the temperature of high-temperature fuel gas in described firing chamber.
3. the heating equipment of hydrocarbon fuel according to claim 1, is characterized in that, the relation between the mass flow rate of the high-temperature fuel gas of the cross-section area of the throat of described exhaust passage and the described exhaust passage of flowing through is as follows:
Wherein, N is the mass flow rate that flows through the high-temperature fuel gas of described exhaust passage, the section area of the throat that Ab is described exhaust passage, and Pd is the high-temperature fuel gas pressure in described heat exchanger, k and Rg are respectively ratio of specific heat and the gas constant of high-temperature fuel gas; Tc is that high-temperature fuel gas carries out the temperature after heat exchange in described heat exchanger.
4. the heating equipment of hydrocarbon fuel according to claim 1, is characterized in that, described link is provided with a through hole;
Described Rectifier plate is provided with through hole;
Described spiral heat exchange tube comprises import pipeline section and outlet pipe section;
Described import pipeline section through after the through hole of described Rectifier plate with the equipment connection that described hydrocarbon fuel to be heated is provided;
Described outlet pipe section through after the through hole of described link with the equipment connection of the described hot hydrocarbon fuel of needs.
5. the heating equipment of hydrocarbon fuel according to claim 4, is characterized in that, a mass flow controller is installed on described import pipeline section.
6. the heating equipment of hydrocarbon fuel according to claim 1, is characterized in that, is also fixed with for injecting the ejector filler of energy supply fuel and oxygenant on described firing chamber;
Described ejector filler is provided with and is respectively used to control the energy supply fuel spray in described firing chamber and two mass flow controllers of oxygenant;
Described ejector filler comprises and is fixed on the body of described firing chamber and is arranged on some for spraying the nozzle of energy supply fuel and oxygenant on described body;
Described nozzle is communicated with described firing chamber.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110456405.2A CN102518534B (en) | 2011-12-30 | 2011-12-30 | Heating device of hydrocarbon fuel |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110456405.2A CN102518534B (en) | 2011-12-30 | 2011-12-30 | Heating device of hydrocarbon fuel |
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| CN102518534A CN102518534A (en) | 2012-06-27 |
| CN102518534B true CN102518534B (en) | 2014-01-29 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103968907B (en) * | 2013-08-23 | 2016-12-28 | 中国人民解放军国防科学技术大学 | A kind of above-critical state and the close flow measuring apparatus of gaseous hydrocarbon fuel and method |
| CN103861880B (en) * | 2014-03-21 | 2016-03-30 | 福建德兴节能科技有限公司 | A kind of efficient descaling method and device thereof |
| DE102014210806A1 (en) * | 2014-06-05 | 2015-12-17 | Robert Bosch Gmbh | Gas powered device, in particular gas powered vehicle |
| CN109404162B (en) * | 2018-12-06 | 2023-12-15 | 中国人民解放军国防科技大学 | Aviation kerosene isobaric secondary electric heating device |
| CN112033681B (en) * | 2020-07-31 | 2022-07-26 | 中国航发贵阳发动机设计研究所 | Afterburner outlet temperature error correction method |
| CN112984556B (en) * | 2021-03-02 | 2022-05-06 | 北京航空航天大学 | Liquid oxygen gas fuel gas generator |
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| EP0317485A2 (en) * | 1987-11-13 | 1989-05-24 | Turbex 2000, S.A. | Gasifying, economizing, decontaminating and power enhancing apparatus for improving the operation of engines, appliances, burners and equipment which use solid, liquid or gaseous fuels |
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