CN114877320A - Movable heating device based on methanol combustion reaction - Google Patents
Movable heating device based on methanol combustion reaction Download PDFInfo
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- CN114877320A CN114877320A CN202210592218.5A CN202210592218A CN114877320A CN 114877320 A CN114877320 A CN 114877320A CN 202210592218 A CN202210592218 A CN 202210592218A CN 114877320 A CN114877320 A CN 114877320A
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- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 title claims abstract description 432
- 238000010438 heat treatment Methods 0.000 title claims abstract description 195
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 91
- 238000003860 storage Methods 0.000 claims abstract description 38
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 19
- 239000002184 metal Substances 0.000 claims abstract description 19
- 239000010959 steel Substances 0.000 claims abstract description 19
- 239000000376 reactant Substances 0.000 claims abstract description 14
- 238000009413 insulation Methods 0.000 claims abstract description 13
- 239000007795 chemical reaction product Substances 0.000 claims description 14
- 230000000903 blocking effect Effects 0.000 claims description 13
- 239000000047 product Substances 0.000 claims description 12
- 239000003054 catalyst Substances 0.000 claims description 9
- 230000009471 action Effects 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 5
- 239000002274 desiccant Substances 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 8
- 239000000126 substance Substances 0.000 abstract description 7
- 238000005485 electric heating Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 21
- 238000013461 design Methods 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 241000282414 Homo sapiens Species 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000007084 catalytic combustion reaction Methods 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- -1 heat is released Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Images
Classifications
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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
- F23C13/00—Apparatus in which combustion takes place in the presence of catalytic material
-
- 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
- F23C2700/00—Special arrangements for combustion apparatus using fluent fuel
- F23C2700/02—Combustion apparatus using liquid fuel
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel Cell (AREA)
Abstract
The invention discloses a movable heating device based on a methanol combustion reaction. Comprises a shell, a heat exchanger, an air pump, a methanol storage tank, a tail gas treatment tank, a heat insulation plate, a methanol combustion heating plate and a heating top plate; heating roof, install on the top in the casing after methyl alcohol burning hot plate and heat insulating board top-down stack, air pump and the adjacent setting of methyl alcohol bin, heat exchanger and tail gas treatment case distribute the methyl alcohol bin other, the air pump output passes through the entry intercommunication of metal steel pipe with the methyl alcohol bin, the cold junction entry intercommunication of metal steel pipe and heat exchanger is passed through in the export of methyl alcohol bin, the reactant entry and the result export of methyl alcohol burning hot plate pass through metal steel pipe respectively with the cold junction export of heat exchanger, the hot junction entry intercommunication, the hot junction export of heat exchanger is connected to tail gas treatment case through metal steel pipe. The invention adopts the methanol combustion reaction to realize the conversion of chemical energy to heat energy, and improves the mobility and the heat exchange efficiency of the heating device compared with the traditional electric heating device.
Description
Technical Field
The invention relates to a heating device in the field of catalytic chemical reaction, in particular to a movable heating device based on methanol combustion reaction.
Background
From ancient times to the present, the acquisition of heat has been accompanied by the progress and development of human society. In modern society, no matter daily life, work demand, scientific research experiment all need obtain the heat in many scenes, and heating device seems indispensable at this moment. Most of the existing heating devices are heated by electric resistance wires, namely, electric energy is converted into heat energy to realize heating; the electric quantity required by the heating mode is large, and 220V commercial power is required to be connected for supplying the electric quantity. However, with the continuous development of society, the living style of human beings is continuously updated, and the demand for the movable portable heating device is increasing.
The methanol has the outstanding advantages of high energy density, wide sources, reproducibility, high hydrogen-carbon ratio, convenient storage and transportation and the like, can generate methanol combustion reaction with oxygen under the action of a catalyst, and can release a large amount of heat while generating water and carbon dioxide, thereby realizing the conversion of chemical energy to heat energy; the methanol combustion reaction has the characteristics of high reaction speed, violent reaction and the like, and is a good chemical heating mode.
The heating device based on the methanol combustion reaction is designed, so that the demand of the heating device on electric quantity can be greatly reduced, the heating for a long time can be realized by adopting a mobile power supply, and the portability of the heating device is greatly improved; meanwhile, through the design of the structure, the control of the heating area and the heating area can be realized, so that the targeted heating is realized, the energy is saved, and the heating efficiency is improved.
The prior art discloses an energy-saving catalytic combustion reactor, which is provided with an exhaust port, a feeding pipe, a fan component, a filling mechanism, a heat conducting mechanism, a heat exchanger and a methanol storage container, wherein the reactor mainly uses hydrogen-containing tail gas after hydrogen production by methanol cracking and oxygen in the air, and uses methanol combustion reaction as assistance to generate heat for preheating other reaction raw materials so as to save energy. However, the device is mainly used for post-treatment of reaction tail gas, has various auxiliary devices and a huge device system, and is difficult to realize mobile application.
The prior art also discloses a heating device based on heating of methyl alcohol catalyst, and this heating device has parts such as a heat exchanger section of thick bamboo, heating pipe, catalysis cake, heat accumulation cake, and the device blows into atomizing form methyl alcohol and air and contacts with catalysis cake in the heat exchanger section of thick bamboo, takes place chemical reaction and produces heat and heat accumulation cake and heat exchanger section of thick bamboo and heat, and this scheme does not have flame, and waste gas only has carbon dioxide, uses safe and reliable and pollution-free. However, the device body is a heat exchanger, which can only heat gas and liquid, cannot accurately control the heating temperature, cannot control the heating area and the heating area, and has low overall heating efficiency.
In the invention patents disclosed in the past, no heating device based on a movable methanol combustion reaction has been found. The methanol combustion reaction is adopted for heat release, and chemical energy is converted into heat energy, so that the demand of a heating device on electric quantity is greatly reduced, and the mobility is improved; through corresponding structural design, objects in various forms are heated, and the heating area are controlled, so that the overall heating efficiency of the heating device is improved; therefore, a movable heating device based on the methanol combustion reaction is needed to be designed, the structure is further optimized, and efficient application under more scenes is realized.
Disclosure of Invention
The invention aims to solve the problems of high power consumption, low portability and the like of the conventional heating device, and provides a movable heating device based on a methanol combustion reaction. Only the air pump needs to supply electric energy in the heating device, the whole required electric energy of the device is small, and electric quantity supply can be carried out through the internal mobile battery.
The technical scheme adopted by the invention is as follows:
the heating device comprises a heating device shell, and a heat exchanger, an air pump, a methanol storage tank, a tail gas treatment tank, a heat insulation plate, a methanol combustion heating plate and a heating top plate which are arranged in the heating device shell; the heating top plate, the methanol combustion heating plate and the heat insulation plate are stacked from top to bottom and then are jointly installed at the top end in the heating device shell, the tail gas treatment box, the heat exchanger, the air pump and the methanol storage box are all installed below the heat insulation plate, the air pump and the methanol storage box are adjacently arranged at intervals, the heat exchanger and the tail gas treatment box are distributed beside the methanol storage box, the top end face of the methanol storage box is provided with an inlet and an outlet, the output end of the air pump is communicated with the inlet of the methanol storage box, the outlet of the methanol storage box is communicated with the cold end inlet of the heat exchanger, the two ends of the methanol combustion heating plate are respectively provided with a plurality of reactant inlets and a plurality of product outlets, the reactant inlets and the product outlets of the methanol combustion heating plate are respectively communicated with the cold end outlet of the heat exchanger and the hot end inlet of the heat exchanger through metal steel tubes, the hot end outlet of the heat exchanger is connected to the tail gas treatment box through a metal steel pipe; make the air fill into the methyl alcohol bin through the metal steel pipe under the air pump effect for the methyl alcohol that mixes the air flows out from the methyl alcohol bin and flows into the burning hot plate through the heat exchanger, makes the reaction product in the burning hot plate flow out from the burning hot plate and flows into tail gas treatment case through the heat exchanger.
The top end face of the combustion heating plate is provided with 4 identical strip-shaped grooves at intervals, each of the two ends of each strip-shaped groove is provided with a first conical end and a second conical end respectively, the first conical end of each strip-shaped groove is provided with a reactant inlet, the second conical end of each strip-shaped groove is provided with a product outlet, the product outlet of each strip-shaped groove is communicated with a hot end inlet of the heat exchanger after being communicated with each other through a metal steel pipe, the outlets of every two adjacent strip-shaped grooves are communicated through a first three-way joint to form a first branch, and the two adjacent first branches are communicated with a cold end outlet of the heat exchanger through a second three-way joint.
And a blocking device is respectively arranged near each conical end of each strip-shaped groove, and each blocking device is horizontally arranged along the direction vertical to the flowing direction of reaction products in the combustion heating plate.
Each blocking device mainly comprises a plurality of blocking blocks which are arranged at intervals, and methanol combustion catalyst particles are filled between the two blocking devices in each strip-shaped groove.
And an electromagnetic valve is arranged at a reactant inlet of each methanol combustion heating plate.
The heating top plate is characterized in that a plurality of thermocouple holes used for installing thermocouples are formed in the middle of the top end face of the heating top plate at intervals, the thermocouple holes face the strip-shaped grooves in the combustion heating plate, at least one thermocouple is arranged in the middle of each strip-shaped groove in the combustion heating plate, and the thermocouples are arranged at the thermocouple holes of the heating top plate.
The heating device also comprises an operation display, a mobile battery and a controller which are arranged in the shell of the heating device; the electromagnetic valve, the thermocouple and the air pump are all electrically connected with the controller, the controller is electrically connected with the display, and the air pump, the controller and the display are all electrically connected with the mobile battery.
The methanol storage tank is filled with methanol solution, and the tail gas treatment tank is filled with a drying agent.
According to the invention, by adopting a scheme of releasing heat through a methanol combustion reaction, chemical energy is converted into heat energy, the demand of a heating device on electric energy is greatly reduced, the demand of a heating device on 220V commercial power is met on the premise of ensuring the heating effect, and the portability of the heating device is improved; meanwhile, through the structural design, the control of the heating area and the heating area is realized, and the heating efficiency of the device is greatly improved.
The invention has the beneficial effects that:
1. the demand of the heating device on the electric quantity is greatly reduced. Methanol combustion reaction takes place through methyl alcohol and air under the effect of combustion catalyst, releases the heat, heats through the mode of turning into the heat energy with chemical energy promptly, compares in traditional heating device and adopts the heating method based on electric energy transformation heat energy, demand greatly reduced to the electric quantity.
2. The mobility and the portability of the heating device are improved. Because only air pump, controller and operation display need a small amount of electric quantity supplies in whole device, whole heating device can break away from 220V commercial power socket's restriction, adopts inside portable power source to carry out the operation for a long time to can be better use under the circumstances such as power failure or outdoor, greatly increased heating device's mobility and use scene.
3. The heating efficiency of the heating device is improved. Through the design of the controller, the electromagnetic valve, the pipeline and the methanol combustion heating plate structure, the control of the heating area and the heating area is realized, and the overall heating efficiency of the heating device is improved; meanwhile, the heat exchanger arranged in the device can recycle heat of reaction products with residual heat flowing out of the methanol combustion heating plate, so that energy loss is reduced.
4. High environmental adaptability and quick heating response. Compared with the traditional heating device in an electric heating mode, the heating device adopting the methanol combustion reaction can be suitable for being used in cold and extreme environments; the methanol combustion reaction is rapid and violent under the action of the catalyst, and can release a large amount of heat energy in a short time, so that the heating top plate is rapidly heated to a specified temperature.
Drawings
FIG. 1 is a perspective left and right isometric view of the present invention;
FIG. 2 is a side view of the right and left equiangular axes of the present invention;
FIG. 3 is an upper and lower isometric view of the internal structure of the present invention;
FIG. 4 is a flow chart of the heating principle of the present invention;
fig. 5 is a plan view of the methanol combustion heating panel of the present invention.
In the figure: 1. an operation display; 2. a mobile battery; 3. a controller; 4. an electromagnetic valve; 5. a heat insulation plate; 6. a methanol combustion heating plate; 7. heating the top plate; 8. a first three-way joint; 9. a tail gas treatment tank; 10. a second three-way joint; 11. a heat exchanger; 12. a heating device housing; 13. an air pump; 14. a methanol storage tank; 601. a reactant inlet; 602. a stopper; 603. a product outlet; 604. thermocouple holes.
Detailed Description
The invention is further described below with reference to the figures and examples.
As shown in fig. 1 and 2, the present invention includes a heating device housing 12, and a heat exchanger 11, an air pump 13, a methanol storage tank 14, an exhaust gas treatment tank 9, a heat insulation board 5, a methanol combustion heating plate 6, and a heating top plate 7, which are disposed in the heating device housing 12.
A heating top plate 7, a methanol combustion heating plate 6 and a heat insulation plate 5 are superposed from top to bottom and then are jointly installed at the top end in a heating device shell 12, wherein the heat insulation plate 5 is used for preventing heat dissipation, a tail gas treatment box 9, a heat exchanger 11, an air pump 13 and a methanol storage box 14 are all installed below the heat insulation plate 5, the air pump 13 and the methanol storage box 14 are adjacently arranged at intervals, the heat exchanger 11 and the tail gas treatment box 9 are distributed beside the methanol storage box 14, the top end surface of the methanol storage box 14 is provided with an inlet and an outlet, the output end of the air pump 13 is communicated with the inlet of the methanol storage box 14 through a metal steel pipe, the outlet of the methanol storage box 14 is communicated with the cold end inlet of the heat exchanger 11 through a metal steel pipe, a plurality of reactant inlets 601 and a plurality of product outlets 603 are respectively arranged at two ends of the methanol combustion heating plate 6, and the reactant inlets 601 and the product outlets 603 of the methanol combustion heating plate 6 are respectively communicated with the cold end outlet of the heat exchanger 11 through metal steel pipes, The hot end inlet of the heat exchanger 11 is communicated, and the hot end outlet of the heat exchanger 11 is connected to the tail gas treatment tank 9 through a metal steel pipe.
Air is filled into the methanol storage tank 14 through the metal steel pipe under the action of the air pump 13, so that the methanol mixed with the air flows out of the methanol storage tank 14 and flows into the combustion heating plate 6 through the heat exchanger 11, and reaction products in the combustion heating plate 6 flow out of the combustion heating plate 6 and flow into the tail gas treatment tank 9 through the heat exchanger 11.
As shown in fig. 5, 6 top end faces of the combustion heating plate are provided with 4 identical bar-shaped grooves at intervals, two ends of each bar-shaped groove are respectively provided with a first tapered end and a second tapered end, a reactant inlet 601 is formed in the first tapered end of each bar-shaped groove, a product outlet 603 is formed in the second tapered end of each bar-shaped groove, the product outlet 603 of each bar-shaped groove is communicated with a hot end inlet of the heat exchanger 11 through a metal steel pipe, a first branch is formed after the outlets 601 of every two adjacent bar-shaped grooves are communicated through a first three-way joint 8, and two adjacent first branches are communicated with a cold end outlet of the heat exchanger 11 through a second three-way joint 10. So that the methanol mixed with air flowing out of the outlet at the cold end of the heat exchanger 11 flows to two first three-way joints 8 through the second three-way joint 10 in a shunting manner, and the methanol mixed with air flows to two adjacent strip-shaped grooves in the combustion heating plate 6 through the first three-way joints 8 in a shunting manner.
A blocking device 602 is installed near each tapered end of each strip-shaped groove, and each blocking device 602 is horizontally arranged in a direction perpendicular to the flow direction of the reaction product in the combustion heating plate 6.
Each blocking device 602 is mainly composed of a plurality of blocks 602 which are arranged at intervals.
Methanol combustion catalyst particles are filled between the two blocking devices 602 in each strip-shaped groove.
The reactant inlet 601 of each methanol combustion heating plate 6 is provided with a solenoid valve 4.
A plurality of thermocouple holes 604 that are used for installing the thermocouple are seted up at heating roof 7 top terminal surface middle part interval, and a plurality of thermocouple holes 604 all face the strip groove in the combustion heating board 6 for the middle part in every strip groove all is provided with at least one thermocouple in the combustion heating board 6, and the thermocouple is all installed to a plurality of thermocouple holes 604 department of heating roof 7, makes the thermocouple of installing at thermocouple hole 604 monitor the temperature in 6 strip grooves of combustion heating board at any time.
The heating device also comprises an operation display 1, a mobile battery 2 and a controller 3 which are arranged in the heating device shell 12; the electromagnetic valve 4, the thermocouple and the air pump 13 are all electrically connected with the controller 3, the controller 3 is electrically connected with the display 1, and the air pump 13, the controller 3 and the display 1 are all electrically connected with the mobile battery 2. The air pump 13 pumps air into the methanol storage tank 14, the air carries methanol to enter the methanol combustion heating plate 6 through the heat exchanger 11 for combustion reaction, heat is released for heating, and then a reaction product enters the tail gas treatment tank 9 through the heat exchanger 11; the start-stop, the rotating speed and the working time of the air pump 13 can be controlled by operating the display 1 and feeding back the temperature by the thermocouple, so that the heating switch, the temperature and the time can be controlled. The controller 3 controls the position of the methanol mixed with air entering the methanol combustion heating plate 6 by adjusting the on-off of each electromagnetic valve 4, thereby realizing the control of the heating area and the heating area of the heating top plate 7.
Preferably, the methanol storage tank 14 is filled with a methanol solution, and the tail gas treatment tank 9 is filled with a drying agent.
Preferably, the side of the heating device housing 12 is opened with a square air hole array for communicating with the outside air.
As shown in fig. 3, the air path flow path of the heating device is as follows:
air fills into methyl alcohol bin 14 through the metal steel pipe under the effect of air pump 13, make the methyl alcohol of mixing with the air flow from methyl alcohol bin 14 export, the methyl alcohol of mixing with the air that flows out from methyl alcohol bin 14 export flows into heat exchanger 11 through 11 cold junction entrances of heat exchanger and flows out from 11 cold junction exports of heat exchanger again, make the methyl alcohol of mixing with the air that flows out from 11 cold junction exports of heat exchanger flow to two first three way connection 8 respectively through second three way connection 10, the methyl alcohol of mixing with the air rethread first three way connection 8 reposition of redundant personnel flow to two adjacent bar grooves in the combustion heating board 6, the chemical reaction product in the methyl alcohol combustion heating board 6 gets into heat exchanger 11 after the export 603 flows out through methyl alcohol combustion heating board 6, the chemical reaction product flows into tail gas treatment box 9 after the export of 11 hot junction of heat exchanger flows out.
As shown in fig. 4, the working principle of the heating device is as follows:
air enters a methanol storage tank 14 through an air pump 13, then the air and methanol enter a methanol combustion heating plate 6 through a heat exchanger 11, a methanol combustion reaction is carried out under the action of methanol combustion catalyst particles, and heat is released for heating; the reaction product is then preheated by a heat exchanger 11 for methanol mixed with air and then enters the tail gas treatment tank 9.
The heating device realizes heating by releasing heat through methanol combustion reaction, and the heating interval of the device is between room temperature and 400 ℃.
The specific working process of the heating device is as follows:
before the heating device normally operates, the methanol is filled through the injection opening of the methanol storage tank 14, the drying agent is filled in the tail gas treatment tank 9, and the mobile battery 2 is fully charged.
A heating temperature-rising stage:
the controller 3 controls the air pump 13 to start working, and the air pump 13 pumps air into the shellIn the alcohol storage tank 14, the methanol mixed with air flows out from the outlet of the methanol storage tank 14 and then enters the heat exchanger 11, and the methanol mixed with air flows out from the outlet of the cold end of the heat exchanger 11 and then enters the methanol combustion heating plate 6; in the methanol combustion heating plate 6, the air and methanol are subjected to methanol combustion reaction under the action of methanol combustion catalyst particles, heat is released, and water and CO are generated 2 (ii) a The reaction product finally flows out of the product outlet 603 of the methanol combustion heating plate 6 into the heat exchanger 11; in the heat exchanger 11, the residual heat carried by the reaction product is used for preheating the methanol mixed with air in the heat exchanger 11, and then the reaction product flows out of the heat exchanger 11 to enter the tail gas treatment tank 9. In the whole process, the thermocouple measures the temperature in real time.
And (3) a constant-temperature heating stage:
the controller 3 controls the operating power of the air pump 13 in real time according to the preset temperature set by the operation display 1 and the real-time temperature measured by the thermocouple, and adjusts the amount of air and methanol entering the methanol combustion heating plate 6, thereby controlling the intensity of the methanol combustion reaction in the methanol combustion heating plate 6, and maintaining the temperature of the heating top plate 7 at the preset value.
Examples
When the size of the heating top plate 7 is 300X 200mm, the quantity of heat released by the methanol combustion reaction is 726.9KJ/mol, and the capacity in the methanol storage tank 14 is 1000cm 3 In the case where all the methanol is reacted, the heat released is
Wherein Q is the heat released after the methanol is reacted;
when the size of the heating top plate 7 is 300 x 200mm, the rated power of the conventional heating device is about 1000W; under the condition of not calculating energy loss, 1 degree of electricity is needed when the device works for 1 hour under the rated working condition, and the device can release 3.6 multiplied by 10 heat 6 J。
Therefore, the heat released by the heating device can maintain the heating operation of the traditional heating device for 5 hours under the rated power condition. Meanwhile, the heating device only needs a small amount of electricity supply for the components such as the air pump 13, the controller 3, the operation display 1 and the like, the overall operation power is less than 20W, and the requirement on the electricity is reduced by about 50 times compared with the traditional heating device. Under the power supply condition of the mobile battery 2 with 20Ah, the heating device can maintain stable operation for more than 10 hours, so that the mobility of the heating device can be greatly improved, and the heating device is suitable for more heating scenes.
According to the movable heating device based on the methanol combustion reaction, the conversion of chemical energy to heat energy is realized by adopting the methanol combustion reaction for heating, and compared with a device adopting an electric heating mode, the requirement of the heating device on electric quantity is greatly reduced, so that the heating device can maintain long-time heating under the help of a built-in mobile battery, and the portability of the heating device is greatly improved; meanwhile, through the structural design, the heating area and the heating area are controllable, the residual waste heat is recycled, the unnecessary energy loss is reduced, and the overall heating efficiency is improved.
Claims (8)
1. A movable heating device based on methanol combustion reaction is characterized in that:
comprises a heating device shell (12), and a heat exchanger (11), an air pump (13), a methanol storage tank (14), a tail gas treatment tank (9), a heat insulation plate (5), a methanol combustion heating plate (6) and a heating top plate (7) which are arranged in the heating device shell (12); the heating device comprises a heating top plate (7), a methanol combustion heating plate (6) and a heat insulation plate (5), wherein the heating top plate, the methanol combustion heating plate and the heat insulation plate are arranged on the top end of a heating device shell (12) together after being stacked from top to bottom, a tail gas treatment box (9), a heat exchanger (11), an air pump (13) and a methanol storage box (14) are arranged below the heat insulation plate (5), the air pump (13) and the methanol storage box (14) are arranged at adjacent intervals, the heat exchanger (11) and the tail gas treatment box (9) are distributed beside the methanol storage box (14), the top end surface of the methanol storage box (14) is provided with an inlet and an outlet, the output end of the air pump (13) is communicated with the inlet of the methanol storage box (14), the outlet of the methanol storage box (14) is communicated with the inlet of the heating plate of the heat exchanger (11), and the two ends of the methanol combustion heating plate (6) are respectively provided with a plurality of reactant inlets (601) and a plurality of product outlets (603), a plurality of reactant inlets (601) and a plurality of product outlets (603) of the methanol combustion heating plate (6) are respectively communicated with a cold end outlet of the heat exchanger (11) and a hot end inlet of the heat exchanger (11) through metal steel pipes, and the hot end outlet of the heat exchanger (11) is connected to a tail gas treatment box (9) through the metal steel pipes; air is filled into the methanol storage tank (14) through the metal steel pipe under the action of the air pump (13), so that the methanol mixed with the air flows out of the methanol storage tank (14) and flows into the combustion heating plate (6) through the heat exchanger (11), and reaction products in the combustion heating plate (6) flow out of the combustion heating plate (6) and flow into the tail gas treatment tank (9) through the heat exchanger (11).
2. The mobile heating device based on methanol combustion reaction as claimed in claim 1, characterized in that: the combustion heating board (6) top face is spaced apart to be equipped with 4 the same bar grooves, every the both ends in bar groove are first toper end and second toper end respectively, a reactant entry (601) has all been seted up to the first toper end in every bar groove, a result export (603) has all been seted up to the second toper end in every bar groove, the result export (603) in each bar groove all communicate back and the hot junction entry of heat exchanger (11) through the metal steel pipe each other, export (601) in every two adjacent bar grooves all communicate back through a first three way connection (8) and form a first branch road, two adjacent first branch roads are passed through the cold junction export of a second three way connection (10) and heat exchanger (11) and are communicated.
3. The mobile heating device based on methanol combustion reaction as claimed in claim 2, characterized in that: and a blocking device (602) is respectively arranged near each conical end of each strip-shaped groove, and each blocking device (602) is horizontally arranged along the direction vertical to the flowing direction of reaction products in the combustion heating plate (6).
4. A mobile heating device based on methanol combustion reaction as claimed in claim 3, characterized in that: each blocking device (602) is mainly formed by a plurality of blocks (602) which are arranged at intervals, and methanol combustion catalyst particles are filled between the two blocking devices (602) in each strip-shaped groove.
5. The mobile heating device based on methanol combustion reaction as claimed in claim 2, characterized in that: an electromagnetic valve (4) is arranged at a reactant inlet (601) of each methanol combustion heating plate (6).
6. The mobile heating device based on methanol combustion reaction as claimed in claim 5, characterized in that: a plurality of thermocouple holes (604) used for installing thermocouples are formed in the middle of the top end face of the heating top plate (7) at intervals, the thermocouple holes (604) face the strip-shaped grooves in the combustion heating plate (6), at least one thermocouple is arranged in the middle of each strip-shaped groove in the combustion heating plate (6), and the thermocouples are installed in the thermocouple holes (604) of the heating top plate (7).
7. The mobile heating device based on methanol combustion reaction as claimed in claim 6, characterized in that: the heating device also comprises an operation display (1), a mobile battery (2) and a controller (3) which are arranged in a heating device shell (12); the electromagnetic valve (4), the thermocouple and the air pump (13) are electrically connected with the controller (3), the controller (3) is electrically connected with the display (1), and the air pump (13), the controller (3) and the display (1) are electrically connected with the mobile battery (2).
8. The mobile heating device based on methanol combustion reaction as claimed in claim 1, characterized in that: the methanol storage tank (14) is filled with methanol solution, and the tail gas treatment tank (9) is filled with a drying agent.
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