CN109306918A - A kind of direct thermomotor using liquid organic hydrogen storage material - Google Patents
A kind of direct thermomotor using liquid organic hydrogen storage material Download PDFInfo
- Publication number
- CN109306918A CN109306918A CN201811123720.1A CN201811123720A CN109306918A CN 109306918 A CN109306918 A CN 109306918A CN 201811123720 A CN201811123720 A CN 201811123720A CN 109306918 A CN109306918 A CN 109306918A
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- CN
- China
- Prior art keywords
- thermomotor
- end cylinder
- storage material
- liquid organic
- hydrogen storage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
- F02G1/00—Hot gas positive-displacement engine plants
- F02G1/04—Hot gas positive-displacement engine plants of closed-cycle type
- F02G1/043—Hot gas positive-displacement engine plants of closed-cycle type the engine being operated by expansion and contraction of a mass of working gas which is heated and cooled in one of a plurality of constantly communicating expansible chambers, e.g. Stirling cycle type engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
- F02G1/00—Hot gas positive-displacement engine plants
- F02G1/04—Hot gas positive-displacement engine plants of closed-cycle type
- F02G1/043—Hot gas positive-displacement engine plants of closed-cycle type the engine being operated by expansion and contraction of a mass of working gas which is heated and cooled in one of a plurality of constantly communicating expansible chambers, e.g. Stirling cycle type engines
- F02G1/044—Hot gas positive-displacement engine plants of closed-cycle type the engine being operated by expansion and contraction of a mass of working gas which is heated and cooled in one of a plurality of constantly communicating expansible chambers, e.g. Stirling cycle type engines having at least two working members, e.g. pistons, delivering power output
- F02G1/0445—Engine plants with combined cycles, e.g. Vuilleumier
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
- F02G1/00—Hot gas positive-displacement engine plants
- F02G1/04—Hot gas positive-displacement engine plants of closed-cycle type
- F02G1/043—Hot gas positive-displacement engine plants of closed-cycle type the engine being operated by expansion and contraction of a mass of working gas which is heated and cooled in one of a plurality of constantly communicating expansible chambers, e.g. Stirling cycle type engines
- F02G1/053—Component parts or details
- F02G1/055—Heaters or coolers
Abstract
The application discloses a kind of thermomotor for directly utilizing liquid organic hydrogen storage material, including hot end cylinder and cold end cylinder；Pipeline between hot end cylinder and cold end cylinder is equipped with sequentially connected regenerator and dehydrogenation reactor；The connection of the arrival end of hot end cylinder and regenerator；The media outlet of dehydrogenation reactor is connect with cold end cylinder；The hydrogen outlet of dehydrogenation reactor is connected to the fuel inlet of thermomotor.The characteristics of thermomotor provided by the present application using liquid organic hydrogen storage material dehydrogenation reaction by being absorbed heat, temperature and pressure compression process is determined in can recycling for thermomotor, and cooling effect is provided, the drawbacks of largely using cooling water in the prior art is improved, and there is good cooling effect；Meanwhile the hydrogen of dehydrogenation reaction generation can be used as the fuel use of thermomotor, improve the utilization rate of heat.
Description
Technical field
This application involves automatic control technology fields, more particularly to a kind of hot gas for directly utilizing liquid organic hydrogen storage material
Machine.
Background technique
Thermomotor can be using fuel such as hydrogen, petrol and diesel oils, using gases such as hydrogen, nitrogen, helium or air as working medium, by Stirling
Cycle operation.Stirling cycle by decalescence, etc. receiving heat, isothermal heat release and wait appearances absorb heat four reversible processes form.Work
Matter generally passes through recirculation cooler when determining temperature and pressure contracting and realizes heat release to low-temperature heat source, therefore in above-mentioned cyclic process
Hot gas and need a large amount of cooling water cooling to the fixed temperature of working medium to realize at work.Practical hot gas machine hot end working medium temperature
For degree at 400 DEG C or more, cold end Temperature of Working is not less than 200 DEG C.
Cooling characteristic is needed to be combined working medium in liquid organic material dehydrogenation endothermic character and the hot gas course of work,
A set of hydrogen fuel thermomotor system using liquid organic hydrogen storage material hydrogen supply is designed, using determining temperature and pressure in thermomotor working cycles
Working medium in compression process carries out Heating Dehydrogenation to liquid organic hydrogen storage material dehydrogenation reactor, while utilizing liquid organic hydrogen storage material
The characteristics of material dehydrogenation reaction heat absorption, cools down working medium, and the hydrogen that dehydrogenation reactor generates provides fuel for thermomotor, improves
Thermomotor heat utilization efficiency, reduces thermomotor cooling water demand.
Summary of the invention
The application provides a kind of thermomotor for directly utilizing liquid organic hydrogen storage material, utilizes liquid organic hydrogen storage material
The characteristics of dehydrogenation reaction is absorbed heat, provides cooling for constant temperature process, has good cooling effect, meanwhile, what dehydrogenation reaction generated
Hydrogen can be used as the fuel of thermomotor, improve thermomotor heat utilization efficiency.
This application provides a kind of thermomotors for directly utilizing liquid organic hydrogen storage material, including hot end cylinder and cold end gas
Cylinder；Pipeline between the hot end cylinder and the cold end cylinder is equipped with sequentially connected regenerator and dehydrogenation reactor；Institute
Hot end cylinder is stated to connect with the arrival end of the regenerator；The media outlet of the dehydrogenation reactor and the cold end cylinder connect
It connects；The hydrogen outlet of the dehydrogenation reactor is connected to the fuel inlet of thermomotor.
Optionally, the thermomotor further includes cooler, and the cooler is located at the regenerator and the dehydrogenation reaction
Between device.
Optionally, the thermomotor further includes cooler, and the cooler is located at the dehydrogenation reactor and the cold end
Between cylinder.
Optionally, the dehydrogenation reactor is connected with combustion emission pipeline, sets in the combustion emission pipeline
There is preheater.
Optionally, the hot end cylinder and the cold end cylinder are respectively equipped with two groups, hot end cylinder and institute described in each group
It states and is equipped with one between cold end cylinder by the regenerator, the cooler and the dehydrogenation reactor are sequentially connected with the pipe of composition
Road.
Optionally, the thermomotor is made using hydrogen or using the mixture of hydrogen and other fuel gas, flammable liquid
For fuel.
The embodiment of the present application provides a kind of thermomotor for directly utilizing liquid organic hydrogen storage material, including hot end cylinder and
Cold end cylinder；Pipeline between the hot end cylinder and the cold end cylinder is equipped with sequentially connected regenerator and dehydrogenation reaction
Device；The hot end cylinder is connect with the arrival end of the regenerator；The media outlet of the dehydrogenation reactor and the cold end gas
Cylinder connection；The hydrogen outlet of the dehydrogenation reactor is connected to the fuel inlet of thermomotor.Thermomotor provided by the present application passes through
The characteristics of being absorbed heat using liquid organic hydrogen storage material dehydrogenation reaction can provide cooling to determine temperature and pressure compression process in thermomotor circulation
Effect improves the drawbacks of largely using cooling water in the prior art, and has good cooling effect；Meanwhile dehydrogenation reaction
The fuel that the hydrogen of generation can be used as thermomotor uses, and improves the utilization rate of heat.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the application, letter will be made to attached drawing needed in the embodiment below
Singly introduce, it should be apparent that, for those of ordinary skills, without any creative labor,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of a kind of implementation of distributing type thermomotor for directly utilizing liquid organic hydrogen storage material provided by the present application
The structural schematic diagram of example；
Fig. 2 is provided by the present application a kind of directly real using the another kind of the distributing type thermomotor of liquid organic hydrogen storage material
Apply the structural schematic diagram of example；
Fig. 3 is a kind of embodiment of distributing type thermomotor for directly utilizing liquid organic hydrogen storage material provided by the present application
Structural schematic diagram；
Fig. 4 is the 4th kind of a kind of double-acting type thermomotor for directly utilizing liquid organic hydrogen storage material provided by the present application
The structural schematic diagram of embodiment；
In figure, the hot end 1- cylinder, 2- cold end cylinder, 3- regenerator, 4- cooler, 5- dehydrogenation reactor.
Specific embodiment
Embodiment one
Referring to Fig. 1, the one of the distributing type thermomotor of liquid organic hydrogen storage material is directly utilized for one kind provided by the present application
The structural schematic diagram of kind embodiment；
As shown in Figure 1, the embodiment of the present application provides a kind of distributing type hot gas for directly utilizing liquid organic hydrogen storage material
Machine, including hot end cylinder 1 and cold end cylinder 2；Pipeline between the hot end cylinder 1 and the cold end cylinder 2 is equipped with sequentially
The regenerator 3 and dehydrogenation reactor 5 of connection；The hot end cylinder 1 is connect with the arrival end of the regenerator 3；The dehydrogenation is anti-
The media outlet of device 5 is answered to connect with the cold end cylinder 2；The fuel of the hydrogen outlet of the dehydrogenation reactor 5 and thermomotor into
Mouth connection.In the present embodiment, the thermomotor further includes cooler 4, the cooler 4 be located at the regenerator 3 with it is described
Between dehydrogenation reactor 5.
The hot end cylinder 1 is used to export the working media after heating, and working media in the present embodiment can be hydrogen
The one or more of gas, nitrogen, helium or air；The cold end cylinder 2 passes through and determines for receiving working media after cooling
Temperature and pressure contracting-Ding Wen expansion process increases working media temperature and moves in hot end cylinder 1；The regenerator 3 is for being determined
Hold heating and constant volume exothermic process；The cooler 4 and the dehydrogenation reactor 5 are used for cooling work medium；
Wherein, liquid organic hydrogen storage material and dehydrogenation, liquid organic hydrogen storage are filled in the dehydrogenation reactor 5
Material is typically the organic liquid molecule of multiple benzene ring structures, and inhaling hydrogen process is that hydrogen atom and phenyl ring unsaturated bond occur
Addition generates the process of saturation cyclohexane structure, and certain embodiments are then that desorption reaction generation hydrogen occurs for the cyclohexane structure of saturation
And it is reduced to the process of benzene ring structure, dehydrogenation reaction is the endothermic reaction.In the present embodiment, add when to dehydrogenation reactor 5
When hot, under the action of dehydrogenation desorption reaction occurs for internal liquid organic hydrogen storage material, is absorbed heat using dehydrogenation reaction
The further cooling work medium of characteristic, while the hydrogen generated is delivered to the fuel inlet of thermomotor through appendix, for hot gas
Machine burning is used.
As shown from the above technical solution, a kind of thermomotor directly utilizing liquid organic hydrogen storage material provided in this embodiment
The course of work are as follows: the working media after being heated in thermomotor hot end cylinder 1 first flows through regenerator 3, and heats regenerator
3, flow through cooler 4 later and cooled down, in cooler 4 medium temperature after cooling require to be reduced to 300 DEG C hereinafter, again into
Enter and further cooled down into dehydrogenation reactor 5, working media after cooling flows back to cold end cylinder 2, while dehydrogenation reaction generates
Hydrogen by Pipeline transport into the combustion chamber of thermomotor, one cycle terminates.
Optionally, the dehydrogenation reactor is connected with combustion emission pipeline, sets in the combustion emission pipeline
There is preheater.The preheater is being not shown in the figure, before organic liquid hydrogen storage material enters dehydrogenation reactor 5, by pre-
Hot device preheats material, and dehydrogenation reaction rate can be improved, and increases cooling effect and hydrogen output.
Optionally, the thermomotor is made using hydrogen or using the mixture of hydrogen and other fuel gas, flammable liquid
For fuel.Since dehydrogenation product generates a certain amount of hydrogen, hydrogen is almost no longer required supplementation in device operational process,
Reduce the consumption of gas.
As shown from the above technical solution, the embodiment of the present application provides a kind of heat for directly utilizing liquid organic hydrogen storage material
Mechanism of qi, including hot end cylinder 1 and cold end cylinder 2；Pipeline between the hot end cylinder 1 and the cold end cylinder 2 is equipped with suitable
The regenerator 3 and dehydrogenation reactor 5 of secondary connection；The hot end cylinder 1 is connect with the arrival end of the regenerator 3；The dehydrogenation
The media outlet of reactor 5 is connect with the cold end cylinder 2；The hydrogen outlet of the dehydrogenation reactor 5 and the fuel of thermomotor
Inlet communication.In the present embodiment, the thermomotor further includes cooler 4, and the cooler 4 is located at the regenerator 3 and institute
It states between dehydrogenation reactor 5.Thermomotor provided by the present application passes through the spy using the heat absorption of liquid organic hydrogen storage material dehydrogenation reaction
Point can provide cooling effect to determine temperature and pressure compression process in thermomotor circulation, improve and largely use cooling water in the prior art
The drawbacks of, and there is good cooling effect；Meanwhile the hydrogen of dehydrogenation reaction generation can be used as the fuel use of thermomotor,
Improve the utilization rate of heat.
Embodiment two
Referring to fig. 2, the another of the distributing type thermomotor of liquid organic hydrogen storage material is directly utilized for one kind provided by the present application
A kind of structural schematic diagram of embodiment；
As shown in Figure 2, the present embodiment two and embodiment one the difference is that, the cooler 4 is located at the dehydrogenation
Between reactor 5 and the cold end cylinder 2.The function of other components in the present embodiment two with phase in embodiment one
Together, details are not described herein.
In the present embodiment, the position of cooler 4 and dehydrogenation reactor 5 is exchanged, so that working media is in heating backheat
It is first dehydrogenated reactor 5 after device 3 to be cooled down, the temperature of working media may make to be rapidly reduced to 300 DEG C hereinafter, hydrogen simultaneously
Production quantity increase, guarantee thermomotor fuel supply, enter back into cooler 4 through the working media after cooling of dehydrogenation reactor 5
It is further cooling, preferable cooling effect can be obtained under the premise of not needing a large amount of cooling waters.
Embodiment three
Referring to Fig. 3, directly the distributing type thermomotor of liquid organic hydrogen storage material is utilized again for one kind provided by the present application
A kind of structural schematic diagram of embodiment；
From the figure 3, it may be seen that the present embodiment three and embodiment one the difference is that, the thermomotor does not include cooler 4.
The function of other components in the present embodiment three is identical with embodiment one, and details are not described herein.
In the present embodiment three, cooler 4 is got rid of, and replaces cooler 4 to provide cooling effect by dehydrogenation reactor 5,
Equipment composition can be simplified, improve cooling efficiency；Simultaneously because the effective endothermic effect of dehydrogenation reactor 5, in reasonable set technology
Under the premise of parameter, higher cooling effect can be provided separately completely.
Example IV
Referring to fig. 4, the double-acting type thermomotor of liquid organic hydrogen storage material is directly utilized for one kind provided by the present application
The structural schematic diagram of 4th kind of embodiment；
By figure four it is found that the hot end cylinder 1 and the cold end cylinder 2 are respectively equipped with two groups, hot end gas described in each group
One is equipped between cylinder 1 and the cold end cylinder 2 by the regenerator 3, the cooler 4 and the dehydrogenation reactor 5 are sequentially
The pipeline connected and composed.
There is provided a kind of thermomotors with double-acting type for the present embodiment, mainly by cylinder and the cold and hot cylinder of connection it
Between each equipment on pipeline constitute, in Fig. 4, two cylinders positioned at two sides are double-acting cylinder, and two double-acting cylinders are constituted
One basic unit, cylinder top is hot end cylinder, lower part is cold end cylinder, in the pipe for being connected to cold end cylinder from hot end cylinder
Road is sequentially installed with regenerator, cooler and dehydrogenation reactor.In the course of work, working media in every pipeline respectively from
Hot end cylinder is delivered to the cold end cylinder of opposite side, then is heated by constant volume, moves to the hot end cylinder of this side, continues to cool down
Circulation, thermomotor provided in this embodiment have higher working efficiency.
Field technical staff after considering the specification and implementing the invention disclosed here, will readily occur to of the invention other
Embodiment.This application is intended to cover any variations, uses, or adaptations of the invention, these modifications, purposes or
Adaptive change follow general principle of the invention and including the undocumented common knowledge in the art of the present invention or
Conventional techniques.The description and examples are only to be considered as illustrative, and true scope and spirit of the invention are by following power
Benefit requires to point out.
It should be understood that the present invention is not limited to the precise structure already described above and shown in the accompanying drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present invention is limited only by the attached claims.
Claims (6)
1. a kind of thermomotor for directly utilizing liquid organic hydrogen storage material, which is characterized in that the thermomotor includes hot end cylinder
(1) and cold end cylinder (2)；Pipeline between the hot end cylinder (1) and the cold end cylinder (2) is equipped with sequentially connected time
Hot device (3) and dehydrogenation reactor (5)；The hot end cylinder (1) connect with the arrival end of the regenerator (3)；The dehydrogenation is anti-
The media outlet of device (5) is answered to connect with the cold end cylinder (2)；The hydrogen outlet of the dehydrogenation reactor (5) and thermomotor
Fuel inlet connection.
2. a kind of thermomotor for directly utilizing liquid organic hydrogen storage material according to claim 1, which is characterized in that described
Thermomotor further includes cooler (4), and the cooler (4) is between the regenerator (3) and the dehydrogenation reactor (5).
3. a kind of thermomotor for directly utilizing liquid organic hydrogen storage material according to claim 1, which is characterized in that described
Thermomotor further includes cooler (4), the cooler (4) be located at the dehydrogenation reactor (5) and the cold end cylinder (2) it
Between.
4. a kind of thermomotor for directly utilizing liquid organic hydrogen storage material as claimed in any of claims 1 to 3,
It is characterized in that, the dehydrogenation reactor (5) is connected with combustion emission pipeline, is equipped in the combustion emission pipeline pre-
Hot device.
5. a kind of thermomotor for directly utilizing liquid organic hydrogen storage material according to claim 2, which is characterized in that described
Hot end cylinder (1) and the cold end cylinder (2) are respectively equipped with two groups, hot end cylinder (1) and the cold end cylinder described in each group
(2) one is equipped between, and composition is sequentially connected with by the regenerator (3), the cooler (4) and the dehydrogenation reactor (5)
Pipeline.
6. a kind of thermomotor for directly utilizing liquid organic hydrogen storage material according to claim 1, which is characterized in that described
Thermomotor using hydrogen or using hydrogen and other fuel gas, flammable liquid mixture as fuel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811123720.1A CN109306918B (en) | 2018-09-26 | 2018-09-26 | Hot air engine directly using liquid organic hydrogen storage material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811123720.1A CN109306918B (en) | 2018-09-26 | 2018-09-26 | Hot air engine directly using liquid organic hydrogen storage material |
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| Publication Number | Publication Date |
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| CN109306918A true CN109306918A (en) | 2019-02-05 |
| CN109306918B CN109306918B (en) | 2021-09-21 |
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| CN201811123720.1A Active CN109306918B (en) | 2018-09-26 | 2018-09-26 | Hot air engine directly using liquid organic hydrogen storage material |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110841563A (en) * | 2019-11-27 | 2020-02-28 | 云南电网有限责任公司电力科学研究院 | Device and method for dehydrogenation by utilizing tail gas of thermomotor |
| CN114151223A (en) * | 2021-12-28 | 2022-03-08 | 成都中科氢阳能源科技有限公司 | Hydrogen fuel gas-electricity hybrid power system based on liquid organic hydrogen storage and Stirling external combustion engine |
| CN114151223B (en) * | 2021-12-28 | 2024-04-26 | 成都中科氢阳能源科技有限公司 | Hydrogen fuel gas-electricity hybrid power system based on liquid organic hydrogen storage and Stirling external combustion engine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110841563A (en) * | 2019-11-27 | 2020-02-28 | 云南电网有限责任公司电力科学研究院 | Device and method for dehydrogenation by utilizing tail gas of thermomotor |
| CN110841563B (en) * | 2019-11-27 | 2022-04-05 | 云南电网有限责任公司电力科学研究院 | Device and method for dehydrogenation by utilizing tail gas of thermomotor |
| CN114151223A (en) * | 2021-12-28 | 2022-03-08 | 成都中科氢阳能源科技有限公司 | Hydrogen fuel gas-electricity hybrid power system based on liquid organic hydrogen storage and Stirling external combustion engine |
| CN114151223B (en) * | 2021-12-28 | 2024-04-26 | 成都中科氢阳能源科技有限公司 | Hydrogen fuel gas-electricity hybrid power system based on liquid organic hydrogen storage and Stirling external combustion engine |
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| Publication number | Publication date |
|---|---|
| CN109306918B (en) | 2021-09-21 |
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