CN213515176U - Dehydrogenation waste heat utilization equipment - Google Patents
Dehydrogenation waste heat utilization equipment Download PDFInfo
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- CN213515176U CN213515176U CN202021972968.8U CN202021972968U CN213515176U CN 213515176 U CN213515176 U CN 213515176U CN 202021972968 U CN202021972968 U CN 202021972968U CN 213515176 U CN213515176 U CN 213515176U
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Abstract
The utility model discloses a dehydrogenation reaction waste heat utilization equipment, including coolant liquid box, heat absorption box and exothermic box, semiconductor refrigeration piece group and circulating pump have been arranged in the coolant liquid box, refrigeration temperature detect switch has been installed to coolant liquid box one side, the heat absorption box with the top of exothermic box all has the hot medium import, the heat absorption box with the bottom of exothermic box all has the hot medium export, the heat absorption box with the inside snakelike heat conduction pipe group that has all arranged of exothermic box, heat absorption box upper portion one side position has the outburst groove, the outburst inslot has installed the time delay and has started liquid level sensing switch. The dehydrogenation reaction waste heat utilization equipment is simple to operate, automatically completes circulation of a heat medium, plays a role in recycling heat of oil storage after hydrogen release, improves the heat energy utilization rate, effectively supplies hydrogen oil waste heat, saves the heating cost, is safe to use, is reasonable in structural design, and is worthy of popularization.
Description
Technical Field
The utility model relates to a dehydrogenation corollary equipment field specifically is a dehydrogenation waste heat utilization equipment.
Background
The popularization of energy sources such as coal, petroleum, natural gas and the like is not away from related storage and transportation infrastructures, hydrogen with future energy potential is natural and is not exceptional, at present, the hydrogen storage and transportation in China mainly takes high-pressure gas (35 MPa) as a main part and lags behind the 70MPA high-pressure hydrogen storage and transportation standard abroad, while the low-temperature liquid hydrogen storage cost is too high, the technical difficulty is large, the cost is high, in order to overcome the technical cost problem of hydrogen storage and transportation, a technology for storing and transporting hydrogen by organic liquid is emphasized, the technology is to realize hydrogenation and dehydrogenation by means of hydrogen storage agents such as certain olefins and alkynes for withdrawal of aromatic hydrocarbon and the like and hydrogen, a good effect is achieved in the operation of hydrogen storage and transportation, however, when the method releases hydrogen, a set of hydrogen releasing equipment is needed to release the hydrogen in the organic liquid with the hydrogen stored in the hydrogen through hydrogen releasing reaction, hydrogen oil (organic liquid with the hydrogen stored in, the hydrogen gas is released and then the stored oil (the organic liquid after the hydrogen gas is released) is recovered, the hydrogen release reaction is an endothermic reaction, a reaction kettle needs to be heated in the reaction process, so that the temperature in the reaction kettle is kept in a range suitable for the dehydrogenation reaction, the temperature of the reaction kettle can even reach 600 ℃ in the reaction kettle, the hydrogen oil after the dehydrogenation reaction is changed into the stored oil for recycling, the recycled stored oil is still in a high-temperature state, the direct recycling is undoubtedly waste the heat of the stored oil, a heat storage device is needed for utilizing the heat contained in the stored oil, and the energy utilization rate of the dehydrogenation device is improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a dehydrogenation waste heat utilization equipment to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a dehydrogenation reaction waste heat utilization device comprises a cooling liquid box body, a heat absorption box body and a heat release box body, wherein a semiconductor refrigerating sheet set and a circulating pump are arranged in the cooling liquid box body, a refrigerating temperature control switch is installed on one side of the cooling liquid box body, heat medium inlets are formed in the tops of the heat absorption box body and the heat release box body, heat medium outlets are formed in the bottoms of the heat absorption box body and the heat release box body, a liquid discharge electronic valve is installed at each heat medium outlet, snake-shaped heat conduction pipe sets are arranged in the heat absorption box body and the heat release box body, two ends of each snake-shaped heat conduction pipe set are respectively connected with an organic oil inlet pipe and an organic oil outlet pipe, the circulating pump is connected with the heat medium inlets above the heat absorption box body through pipelines, a hot liquid discharge temperature control switch is installed on one side of the heat absorption box body, and a, a protruding groove is formed in one side of the upper portion of the heat absorption box body, and a delay starting liquid level sensing switch is installed in the protruding groove.
Preferably, the refrigeration temperature control switch is electrically connected with the semiconductor refrigeration sheet set, the delay start liquid level sensing switch is electrically connected with the circulating pump, and the hot temperature liquid discharge temperature control switch and the cold temperature liquid discharge temperature control switch are respectively electrically connected with liquid discharge electronic valves on the heat absorption box body and the heat release box body.
Preferably, vent holes are formed in the positions of one side of the tops of the heat absorption box body and the heat release box body, electronic air valves are arranged on the vent holes, the electronic air valves on the heat absorption box body and the liquid drainage electronic valves on the heat absorption box body are synchronously switched on and off, and the electronic air valves on the heat release box body and the liquid drainage electronic valves on the heat release box body are synchronously switched on and off.
Preferably, the organic oil inlet pipe and the organic oil outlet pipe are connected with the heat absorption box body and the heat release box body in a sealing mode, the organic oil inlet pipe of the heat absorption box body is connected with an oil storage outlet of the reaction kettle, and the organic oil outlet pipe of the heat release box body is connected with a hydrogen oil inlet of the reaction kettle.
Compared with the prior art, the beneficial effects of the utility model are that: when the dehydrogenation reaction waste heat utilization equipment is used, firstly, a circulating pump is started, the circulating pump is electrically connected with a delay start liquid level sensing switch in a heat absorption box body, the delay start liquid level sensing switch is a normally closed switch, the circulating pump is electrified to pump heat medium liquid into the heat absorption box body, when the liquid level of the heat medium liquid is continuously raised until the delay start liquid level sensing switch is submerged, the delay start liquid level sensing switch is in water contact disconnection, then, the circulating pump is powered off, the heat medium liquid is stopped being injected into the heat absorption box body, the heat medium liquid in the heat absorption box body reaches saturation amount at the moment, oil storage generated after reaction of a reaction kettle is led out from an oil storage outlet, the oil storage outlet is connected with an organic oil inlet pipe of the heat absorption box body, high-temperature oil storage enters a snake-shaped heat conduction pipe group in the heat absorption box body through the organic oil inlet pipe, the heat dissipation area of the oil storage is increased through the snake-shaped heat conduction pipe group, and, the snakelike heat conduction pipe group increases the traveling distance of oil storage, prolongs the heat release time of the oil storage to the heat medium liquid, enables the heat medium liquid to absorb more heat in the oil storage, and the temperature of the heat medium liquid in the heat absorption box body continuously rises along with the continuous absorption of the heat, when the temperature reaches the set temperature of the heat temperature liquid discharge temperature control switch, the heat temperature liquid discharge temperature control switch is closed, the liquid discharge electronic valve and the electronic air valve which are connected with the heat temperature liquid discharge temperature control switch are synchronously opened, so that the heat absorption box body is communicated with the atmosphere, the heat medium liquid in the heat absorption box body can flow into the heat release box body through a pipeline, because the delay starting liquid level sensing switch has the delay starting function, when the liquid level in the heat absorption box body is lower than the delay starting liquid level sensing switch, the delay time does not immediately close the circulating pump, but has a delay time, and the delay time exactly meets the time that the heated heat medium liquid in the heat absorption box body completely flows into, after the heat medium liquid is drained, the time delay set by the liquid level sensing switch is just reached, then the circulating pump works again to pump cold heat medium liquid into the heat absorption box body, when the temperature in the heat absorption box body is reduced after the heat medium liquid enters the heat absorption box body, the heat temperature liquid discharge temperature control switch senses the temperature reduction and is disconnected, then the liquid discharge electronic valve and the electronic air valve on the heat absorption box body are closed, the heat medium liquid newly injected into the heat absorption box body absorbs heat for the oil storage in the snake-shaped heat conduction pipe group again, the heat medium liquid previously flowing into the heat discharge box body can preheat the hydrogen oil passing through the heat discharge box body, the temperature before the hydrogen oil is injected into the reaction kettle is improved, the time for the hydrogen oil to be heated to reach the reaction temperature after entering the reaction kettle is reduced, the utilization rate of the heat energy of the combustor is improved, and when the temperature of the heat medium liquid in the heat discharge box body is reduced to the temperature set by the cold, the electronic air valve and the liquid discharge electronic valve of the heat release box body are opened, the heat medium liquid flows back into the cooling liquid box body through the pipeline, when the temperature of the heat medium liquid in the cooling liquid box body rises to reach the temperature set by the refrigeration temperature control switch after continuous circulation, the refrigeration temperature control switch is closed, and at the moment, the semiconductor refrigerating sheet is electrified to cool the heat medium liquid in the cooling liquid box body; the device is simple to operate, automatically completes the circulation of the heat medium, plays a role in recycling the heat of the oil storage after hydrogen release, improves the heat energy utilization rate, effectively supplies the residual heat of the hydrogen oil, saves the heating cost, is safe to use, has reasonable structural design, and is worthy of popularization.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of a portion of the heat absorption case of fig. 1.
Fig. 3 is a schematic structural view of a part of the heat releasing case of fig. 1.
FIG. 4 is a schematic end view of the serpentine heat transfer tube set and the organic oil inlet tube.
In the figure: 1. the device comprises a cooling liquid box body, 2, a heat absorption box body, 3, a heat release box body, 4, a semiconductor refrigerating sheet group, 5, a circulating pump, 6, a refrigerating temperature control switch, 7, a heat medium inlet, 8, a heat medium outlet, 9, a snake-shaped heat conduction pipe group, 10, an organic oil inlet pipe, 11, an organic oil outlet pipe, 12, a heat temperature liquid drainage temperature control switch, 13, a cold temperature liquid drainage temperature control switch, 14, a protruding groove, 15, a delay starting liquid level sensing switch, 16, a pipeline, 17, a liquid drainage electronic valve, 18, a vent, 19, an electronic air valve, 20 and a reaction kettle.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a dehydrogenation reaction waste heat utilization device comprises a cooling liquid box body 1, a heat absorption box body 2 and a heat release box body 3, wherein a semiconductor refrigerating sheet group 4 and a circulating pump 5 are arranged in the cooling liquid box body 1, a refrigerating temperature control switch 6 is installed on one side of the cooling liquid box body 1, heat medium inlets 7 are respectively arranged on the tops of the heat absorption box body 2 and the heat release box body 3, heat medium outlets 8 are respectively arranged at the bottoms of the heat absorption box body 2 and the heat release box body 3, a liquid discharge electronic valve 17 is installed at the position of the heat medium outlet 8, a snake-shaped heat conduction pipe group 9 is respectively arranged in the heat absorption box body 2 and the heat release box body 3, two ends of the snake-shaped heat conduction pipe group 9 are respectively connected with an organic oil inlet pipe 10 and an organic oil outlet pipe 11, the circulating pump 5 is connected with the heat medium inlet above the heat absorption box body 2 through a pipeline 16, a heat temperature control liquid, a cold and warm liquid discharge temperature control switch 13 is arranged on one side of the heat release box body 3, a protruding groove 14 is arranged on one side of the upper part of the heat absorption box body 2, a delay start liquid level sensing switch 15 is arranged in the protruding groove 14, the refrigeration temperature control switch 6 is electrically connected with the semiconductor refrigeration sheet set 4, the delay start liquid level sensing switch 15 is electrically connected with the circulating pump 5, the hot and warm liquid discharge temperature control switch 12 and the cold and warm liquid discharge temperature control switch 13 are respectively and electrically connected with liquid discharge electronic valves 17 on the heat absorption box body 2 and the heat release box body 3, vent holes 18 are respectively arranged on one side of the top of the heat absorption box body 2 and the heat release box body 3, an electronic air valve 19 is arranged on the vent holes 18, the electronic air valve on the heat absorption box body 2 is synchronously switched on and off with the liquid discharge electronic valve on the heat absorption box body 2, and the electronic air valve on the heat release box, the organic oil inlet pipe 10 and the organic oil outlet pipe 11 are hermetically connected with the heat absorption box body 2 and the heat release box body 3, the organic oil inlet pipe of the heat absorption box body 2 is connected with an oil storage outlet of the reaction kettle 20, and the organic oil outlet pipe of the heat release box body 3 is connected with a hydrogen oil inlet of the reaction kettle 20.
The working principle is as follows: when the dehydrogenation reaction waste heat utilization equipment is used, firstly, the circulating pump 5 is started, the circulating pump 5 is electrically connected with the delay start liquid level sensing switch 15 in the heat absorption box body 2, the delay start liquid level sensing switch 15 is a normally closed switch, the circulating pump 5 is electrified to pump heat medium liquid into the heat absorption box body 2, when the liquid level of the heat medium liquid is continuously raised until the delay start liquid level sensing switch 15 is submerged, the delay start liquid level sensing switch 15 is in contact with water and is disconnected, then the circulating pump 5 is powered off, the heat medium liquid is stopped from being injected into the heat absorption box body 2, the heat medium liquid in the heat absorption box body 2 reaches the saturation level, oil storage generated after reaction of the reaction kettle 20 is led out from an oil storage outlet, the oil storage outlet is connected with the organic oil inlet pipe 10 of the heat absorption box body 2, high-temperature oil enters the snake-shaped heat conduction pipe group 9 in the heat absorption box body 2 through the organic oil inlet pipe 10, the snake-shaped, the heat of the oil storage is more easily transferred to the heat medium liquid in the heat absorption box body 2 through the snake-shaped heat conduction pipe set 9, the snake-shaped heat conduction pipe set 9 increases the traveling distance of the oil storage, the heat release time of the oil storage to the heat medium liquid is prolonged, the heat medium liquid can absorb more heat in the oil storage, the temperature of the heat medium liquid in the heat absorption box body 2 is continuously increased along with the continuous absorption of the heat, when the temperature reaches the temperature set by the heat temperature liquid discharge temperature control switch 12, the heat temperature liquid discharge temperature control switch 12 is closed, the liquid discharge electronic valve 17 and the electronic air valve 19 which are connected with the heat temperature liquid discharge temperature control switch 12 are synchronously opened at the moment, the heat absorption box body 2 is communicated with the atmosphere, the heat medium liquid in the heat absorption box body 2 can flow into the heat release box body 3 through the pipeline 16, because the delay starting liquid level sensing switch 15 has a delay starting function, when the liquid level in the heat absorption box body 2 is, the circulating pump 5 is not closed and connected immediately, but has a delay time which just meets the time that all the heated heat medium liquid in the heat absorption box body 2 flows into the heat release box body 3, the delay time set by the delay starting liquid level sensing switch 15 is just reached after the heat medium liquid is dried, then the circulating pump 5 works again to pump cold heat medium liquid into the heat absorption box body 2, when the heat medium liquid enters the heat absorption box body 2, the temperature in the heat absorption box body 2 is reduced, the heat temperature liquid discharge temperature control switch 12 senses the temperature reduction and is switched off, then the liquid discharge electronic valve 17 and the electronic air valve 19 on the heat absorption box body 2 are closed, the heat medium liquid newly injected into the heat absorption box body 2 absorbs heat again for the oil storage in the snake-shaped heat conduction pipe group 9, and the heat medium liquid previously flowing into the heat release box body 3 can preheat the hydrogen oil passing through the heat release box body 3, the temperature of hydrogen oil before being injected into the reaction kettle 20 is increased, the time for the hydrogen oil to reach the reaction temperature after entering the reaction kettle 20 is shortened, the utilization rate of heat energy of a burner is increased, when the temperature of the heat medium liquid in the heat release box body 3 is reduced to the temperature set by the cold temperature liquid discharge temperature control switch 13 after the heat absorption of the hydrogen oil, the electronic air valve 19 and the liquid discharge electronic valve 17 of the heat release box body 3 are opened, the heat medium liquid flows back to the cooling liquid box body 1 through the pipeline 16, when the temperature of the heat medium liquid in the cooling liquid box body 1 rises to reach the temperature set by the refrigeration temperature control switch 6 after continuous circulation, the refrigeration temperature control switch 6 is closed, and at the moment, the semiconductor refrigerating sheet group 4 is electrified to cool the heat medium liquid in the cooling liquid box body.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a dehydrogenation reaction waste heat utilization equipment, includes coolant liquid box, heat absorption box and exothermic box, its characterized in that: a semiconductor refrigerating sheet set and a circulating pump are arranged in the cooling liquid box body, a refrigerating temperature control switch is arranged on one side of the cooling liquid box body, the top parts of the heat absorption box body and the heat release box body are respectively provided with a heat medium inlet, the bottom parts of the heat absorption box body and the heat release box body are respectively provided with a heat medium outlet, a liquid discharge electronic valve is arranged at the outlet of the heat medium, serpentine heat conduction pipe sets are arranged in the heat absorption box body and the heat release box body, two ends of the snakelike heat conduction pipe set are respectively connected with an organic oil inlet pipe and an organic oil outlet pipe, the circulating pump is connected with a heat medium inlet above the heat absorption box body through a pipeline, a hot temperature liquid discharge temperature control switch is arranged on one side of the heat absorption box body, a cold temperature liquid discharge temperature control switch is arranged on one side of the heat release box body, a protruding groove is formed in one side of the upper portion of the heat absorption box body, and a delay starting liquid level sensing switch is installed in the protruding groove.
2. The dehydrogenation reaction waste heat utilization device according to claim 1, wherein: the refrigeration temperature control switch is electrically connected with the semiconductor refrigeration sheet set, the delay starting liquid level sensing switch is electrically connected with the circulating pump, and the hot temperature liquid discharge temperature control switch and the cold temperature liquid discharge temperature control switch are respectively electrically connected with liquid discharge electronic valves on the heat absorption box body and the heat release box body.
3. The dehydrogenation reaction waste heat utilization device according to claim 1, wherein: air vents are arranged at one side of the tops of the heat absorption box body and the heat release box body, electronic air valves are arranged on the air vents, the electronic air valves on the heat absorption box body and the liquid drainage electronic valves on the heat absorption box body are synchronously switched on and off, and the electronic air valves on the heat release box body and the liquid drainage electronic valves on the heat release box body are synchronously switched on and off.
4. The dehydrogenation reaction waste heat utilization device according to claim 1, wherein: the organic oil inlet pipe with the organic oil outlet pipe with the heat absorption box and the heat release box body are connected in a sealing mode, the organic oil inlet pipe of the heat absorption box body is connected with an oil storage outlet of the reaction kettle, and the organic oil outlet pipe of the heat release box body is connected with a hydrogen oil inlet of the reaction kettle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021972968.8U CN213515176U (en) | 2020-09-10 | 2020-09-10 | Dehydrogenation waste heat utilization equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021972968.8U CN213515176U (en) | 2020-09-10 | 2020-09-10 | Dehydrogenation waste heat utilization equipment |
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| Publication Number | Publication Date |
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| CN213515176U true CN213515176U (en) | 2021-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021972968.8U Active CN213515176U (en) | 2020-09-10 | 2020-09-10 | Dehydrogenation waste heat utilization equipment |
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| CN (1) | CN213515176U (en) |
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- 2020-09-10 CN CN202021972968.8U patent/CN213515176U/en active Active
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