CN218763635U - Methanol Flameless Combustion Heater - Google Patents
Methanol Flameless Combustion Heater Download PDFInfo
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- CN218763635U CN218763635U CN202223176242.5U CN202223176242U CN218763635U CN 218763635 U CN218763635 U CN 218763635U CN 202223176242 U CN202223176242 U CN 202223176242U CN 218763635 U CN218763635 U CN 218763635U
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- flameless combustion
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Abstract
The utility model discloses a methanol flameless combustion heater, which relates to the technical field of heaters and comprises a methanol oil tank, a heater and a radiator; the heater comprises a hot water tank, a flameless combustion cavity, a tail gas pipe, a catalyst carrier and an air inlet cylinder, wherein the flameless combustion cavity is arranged in the hot water tank, the catalyst carrier is arranged in the flameless combustion cavity, a methanol heating catalyst is loaded in the catalyst carrier, the lower end of the tail gas pipe is communicated with the top of the flameless combustion cavity, the upper end of the tail gas pipe extends out of the hot water tank, one end of the air inlet cylinder is communicated with the flameless combustion cavity, and the other end of the air inlet cylinder extends out of the hot water tank; the methanol oil tank is communicated with the flameless combustion cavity through an oil conveying pipe; the radiator is communicated with the hot water tank through a water inlet pipe and a water outlet pipe. The utility model discloses a methanol vapor takes place redox reaction with oxygen in the flameless combustion chamber, and the release heat generates high temperature hot-air, and the water in the high temperature hot-air heating hot-water tank, hot water rethread radiator heat supply to external environment, reach the effect of heating.
Description
Technical Field
The utility model relates to a room heater technical field specifically is methyl alcohol burning room heater, utilizes methyl alcohol catalyst that generates heat to realize the flameless burning of methyl alcohol for indoor outer heating under the cold day environment.
Background
At present, the heating mode mainly has air conditioner heating, electric heat membrane, ground heating, radiator and coal stove to the electric energy heating, uses in a flexible way, but power consumption is big, and the heating is with high costs, and to the remote area that does not have central heating, the coal stove is the most common heating equipment, but coal burning can serious polluted air, and the carbon emission is big, is not friendly to the environment.
The patent number is CN 208332437U's chinese utility model patent, discloses an use heating installation of methyl alcohol as fuel, including methyl alcohol fuel cell, heating stove and radiator piece, the heating stove includes the water tank, is provided with the combustion chamber on the bottom surface in the water tank, is provided with the methyl alcohol combustor in the combustion chamber, and the methyl alcohol fuel cell passes through the methyl alcohol conveyer pipe and communicates with the methyl alcohol combustor in the combustion chamber, water tank and radiator intercommunication. This patent discloses that the heating mode that adopts methyl alcohol as fuel, methyl alcohol fuel burn in the combustion chamber, and the heat of release heats the water tank, through the radiator to outside environment heating.
However, the direct combustion of methanol fuel has low thermal efficiency and high pollutant emission, and therefore, the present application has been made after intensive research aiming at the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a methanol flameless combustion room heater utilizes methanol heating catalyst for methanol and oxygen catalytic oxidation release the heat, utilize the heat heating, the thermal efficiency of methanol is high.
In order to achieve the above object, the utility model provides a following technical scheme: comprises a methanol oil tank, a heater and a radiator;
the heater comprises a hot water tank, a flameless combustion cavity, a tail gas pipe, a catalyst carrier and an air inlet cylinder, wherein the flameless combustion cavity is arranged at the inner bottom of the hot water tank, the catalyst carrier is arranged in the middle of the flameless combustion cavity, a methanol heating catalyst is loaded in the catalyst carrier, the lower end of the tail gas pipe is communicated with the top of the flameless combustion cavity, the upper end of the tail gas pipe extends out of the hot water tank, one end of the air inlet cylinder is communicated with the flameless combustion cavity, and the other end of the air inlet cylinder extends out of the hot water tank;
the methanol oil tank is communicated with the flameless combustion cavity through an oil delivery pipe, and the oil delivery pipe is spirally wound on the outer wall of the flameless combustion cavity;
the inlet end of the heating radiator is communicated with the hot water tank through a water inlet pipe, and the outlet end of the heating radiator is communicated with the hot water tank through a water outlet pipe.
By adopting the technical scheme, when the device is used, hot water is injected into the hot water tank, the flameless combustion cavity is preheated by utilizing the heat of the hot water, when the methanol oil tank conveys methanol to the flameless combustion cavity through the oil conveying pipe, the hot water heats the liquid methanol in the oil conveying pipe to the boiling point (64.7 ℃), partial liquid methanol is gasified to form methanol steam, the methanol steam is input into the flameless combustion cavity again, air enters the flameless combustion cavity from the air inlet cylinder, the methanol steam and oxygen generate oxidation-reduction reaction on the methanol heating catalyst, the heat is released, hot air containing carbon dioxide and water is generated, the hot air flows into the tail gas pipe, the water in the hot water tank is heated, the hot water in the hot water tank circularly flows in the heating radiator, and the purpose of supplying heat to the external environment is achieved.
The oil delivery pipe is spirally and annularly wound on the outer wall of the flameless combustion cavity, the heat emitted by the flameless combustion cavity can be utilized to preheat the oil delivery pipe, and methanol in the oil delivery pipe forms high-temperature methanol steam, so that the reaction efficiency of the methanol steam on the methanol heating catalyst is greatly improved.
Preferably, the tail gas pipe consists of a plurality of U-shaped gas pipes.
Through adopting above-mentioned technical scheme, improve the heat transfer area of tail gas pipe and water, utilize the hot-air efficient heating water in the hot-water tank in the tail gas pipe, heat exchange efficiency is high.
Preferably, the catalyst carrier is cylindrical, a plurality of airflow channels are vertically arranged in the catalyst carrier, and methanol heating catalysts are loaded in the airflow channels.
By adopting the technical scheme, the methanol vapor and the air flow upwards from the plurality of air flow channels, and the coating area of the methanol heating catalyst in the plurality of air flow channels is large, so that the methanol vapor and the oxygen can react more fully.
Preferably, a water pump is arranged on the water inlet pipe.
By adopting the technical scheme, hot water in the hot water tank and the radiator can flow circularly by utilizing the water pump, so that heat is continuously supplied to the external environment.
Preferably, a fan is arranged at the air inlet of the air inlet cylinder.
By adopting the technical scheme, the air is conveyed into the flameless combustion chamber by the fan, so that the air input is improved, and the oxygen amount required by the oxidation-reduction reaction of the methanol vapor is met.
Preferably, the outer wall of the hot water tank is wrapped with a heat insulation layer.
Through adopting above-mentioned technical scheme, keep warm to the hot-water tank, the heat is all followed the radiator and is had a heat transfer with external environment.
Compared with the prior art, the utility model provides a methanol flameless combustion warmer has following beneficial effect:
1. the utility model discloses a methanol vapor takes place redox reaction with oxygen in the flameless combustion chamber, and the release heat generates high temperature hot-air, and the water in the high temperature hot-air heating hot-water tank, hot water rethread radiator heat supply to external environment, reach the effect of heating. The methanol steam and the oxygen are flameless to burn, the heat efficiency is high, the methanol steam is more fully reacted, most of the generated tail gas is carbon dioxide and water, and the pollution is reduced.
2. The oil delivery pipe is spirally and circularly wound on the outer wall of the flameless combustion cavity, the methanol in the oil delivery pipe is preheated by utilizing the heat of the flameless combustion cavity, so that the liquid methanol is changed into high-temperature methanol steam, and the high-temperature methanol steam is conveyed into the flameless combustion cavity to be subjected to catalytic oxidation reaction with oxygen, so that the heat efficiency is improved.
3. The tail gas pipe comprises many U type trachea, increases the heat transfer area of tail gas pipe and water, and heat exchange efficiency is high.
Drawings
Fig. 1 is a schematic structural diagram of a methanol flameless combustion warmer.
Reference numerals: 1. a methanol tank; 11. an oil delivery pipe; 2. a heater; 21. a hot water tank 22, a flameless combustion chamber; 23. a tail gas pipe; 24. a catalyst support; 25. an air inlet cylinder; 26. a fan; 27. a heat-insulating layer; 3. heating radiators; 31. a water inlet pipe; 32. a water outlet pipe; 33. and (4) a water pump.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and embodiments.
It should be noted that in the description of the present invention, the terms "upper", "lower", "left", "right", etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention
Furthermore, it should be noted that in the description of the present invention, the terms "mounted," "connected," and "connected" are to be construed broadly unless otherwise explicitly stated or limited. For example, it may be a fixed connection, a detachable connection or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to FIG. 1, the present invention provides a methanol flameless reactorA combustion warmer, comprising: a methyl alcohol oil tank 1, heater 2 and radiator 3 for holding methyl alcohol fuel, heater 2 includes: the device comprises a hot water tank 21, a flameless combustion chamber 22, a tail gas pipe 23, a catalyst carrier 24 and an air inlet drum 25, wherein the hot water tank 21 is used for containing water, the flameless combustion chamber 22 is a hollow cylindrical shell, the flameless combustion chamber 22 is arranged at the inner bottom of the hot water tank 21, the catalyst carrier 24 is arranged in the flameless combustion chamber 22, and an expansion gasket is used for sealing between the outer wall of the catalyst carrier 24 and the inner wall of the flameless combustion chamber 22, so that methanol vapor and air flowing through the flameless combustion chamber 22 all flow through the catalyst carrier 24. The catalyst carrier 24 is loaded with methanol exothermic catalyst, which can be Pt/Al 2 O 3 The catalyst is ignited at normal temperature, and catalytically burns methanol with high conversion efficiency in the working environment of 100-200 ℃ to generate CO after catalytic oxidation 2 、H 2 And O. The catalyst carrier 24 is made of cordierite and composite alumina material and has a honeycomb structure, large specific surface area, large airspeed, small dosage, low pressure loss, strong activity and good catalytic effect.
Further, the lower extreme of tail-gas pipe 23 communicates with the top in flameless combustion chamber 22, and the high temperature hot-air in flameless combustion chamber 22 discharges from tail-gas pipe 23, and tail-gas pipe 23 and flameless combustion chamber 22 heat the water in hot-water tank 21 jointly, and the upper end of tail-gas pipe 23 stretches out the hot-water tank 21 outside, will discharge the hot-air after the heat transfer. The air inlet cylinder 25 is used for conveying air into the flameless combustion chamber 22, one end of the air inlet cylinder 25 is communicated with the flameless combustion chamber 22, the other end of the air inlet cylinder 25 extends out of the hot water tank 21 and is communicated with the external environment, and the air inlet of the air inlet cylinder 25 is provided with a fan 26. The fan 26 can select a speed-regulating fan 26, and the blowing amount to the flameless combustion cavity 22 is reasonably controlled, so that the oxygen required by the oxidation-reduction reaction of the methanol vapor is met.
In addition, the methanol oil tank 1 is communicated with the flameless combustion cavity 22 through the oil delivery pipe 11, the oil delivery pipe 11 penetrates through the hot water tank 21, the oil delivery pipe 11 is spirally and circularly wound on the outer wall of the flameless combustion cavity 22, the methanol in the oil delivery pipe 11 is preheated by utilizing the heat of the flameless combustion cavity 22, the liquid methanol is changed into high-temperature methanol steam, and the high-temperature methanol steam is delivered into the flameless combustion cavity 22 to be subjected to catalytic oxidation reaction with oxygen, so that the heat efficiency is improved.
The inlet end of the heating radiator 3 is communicated with the upper side of the hot water tank 21 through the water inlet pipe 31, the outlet end of the heating radiator 3 is communicated with the lower side of the hot water tank 21 through the water outlet pipe 32, the water pump 33 is arranged on the water inlet pipe 31, the hot water in the hot water tank 21 and the heating radiator 3 flows circularly, and the heating radiator 3 is utilized to supply heat to the external environment. The radiator 3 is a common radiator 3 on the market.
The above are merely preferred embodiments of the present invention, and the embodiments and the protection scope of the present invention are not limited thereby.
The utility model discloses still have following embodiment on above-mentioned basis:
further, the tail gas pipe 23 is composed of a plurality of U-shaped gas pipes, so that the heat exchange area between the tail gas pipe 23 and water is increased, the hot air in the tail gas pipe 23 is utilized to efficiently heat the water in the hot water tank 21, and the heat exchange efficiency is high.
Furthermore, the catalyst carrier 24 is cylindrical, a plurality of airflow channels are vertically arranged in the catalyst carrier 24, and methanol heating catalysts are loaded in the airflow channels. The methanol vapor and the air flow upwards from the plurality of air flow channels, and the coating area of the methanol heating catalyst in the plurality of air flow channels is large, so that the methanol vapor and the oxygen can react more fully.
In addition, the outer wall of the hot water tank 21 is wrapped with a heat insulation layer 27, the hot water tank 21 is insulated, and the generated heat exchanges heat with the external environment from the heating radiator 3. The insulating layer 27 is made of glass fiber or rock wool.
The methanol heating catalyst adopts a low-temperature catalytic combustion method, and the low-temperature catalytic combustion treatment mode is to perform low-temperature, high-efficiency, energy-saving and environment-friendly treatment on organic matters by means of the catalytic action of the catalyst, so that the aim of reaching the emission standard is fulfilled. The catalytic combustion reaction is a typical gas-solid phase catalytic reaction, and the essence is that organic matters adsorbed on the surface of a catalyst and oxygen from air are subjected to catalytic oxidation reaction at a certain temperature, and the organic matters are oxidized into CO 2 And H 2 O and releases the heat of reaction. The organic matter can be greatly reduced by the methanol heating catalystThe ignition temperature of the material is adopted to carry out flameless combustion, thereby reducing the preheating energy consumption and the generation of nitrogen oxides.
Further, the oil delivery pipe 11 is provided with a regulating valve for regulating the input amount of methanol in the oil delivery pipe 11.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 (6)
1. A methanol flameless combustion warmer which comprises a water tank, the method is characterized in that: comprises a methanol oil tank (1), a heater (2) and a radiator (3);
the heater (2) comprises a hot water tank (21), a flameless combustion chamber (22), a tail gas pipe (23), a catalyst carrier (24) and an air inlet cylinder (25), wherein the flameless combustion chamber (22) is arranged at the inner bottom of the hot water tank (21), the catalyst carrier (24) is arranged in the middle of the flameless combustion chamber (22), a methanol heating catalyst is loaded in the catalyst carrier (24), the lower end of the tail gas pipe (23) is communicated with the top of the flameless combustion chamber (22), the upper end of the tail gas pipe (23) extends out of the hot water tank (21), one end of the air inlet cylinder (25) is communicated with the flameless combustion chamber (22), and the other end of the air inlet cylinder (25) extends out of the hot water tank (21);
the methanol oil tank (1) is communicated with the flameless combustion chamber (22) through an oil pipeline (11), and the oil pipeline (11) is spirally and annularly arranged on the outer wall of the flameless combustion chamber (22);
the inlet end of the heating radiator (3) is communicated with the water tank through a water inlet pipe (31), and the outlet end of the heating radiator (3) is communicated with the water tank through a water outlet pipe (32).
2. The methanol flameless combustion warmer as claimed in claim 1, wherein: the tail gas pipe (23) is composed of a plurality of U-shaped gas pipes.
3. The methanol flameless combustion warmer as claimed in claim 1, wherein: the catalyst carrier (24) is cylindrical, a plurality of airflow channels are vertically arranged in the catalyst carrier (24), and methanol heating catalysts are loaded in the airflow channels.
4. The methanol flameless combustion warmer as claimed in claim 1, wherein: the water inlet pipe (31) is provided with a water pump (33).
5. The methanol flameless combustion warmer as claimed in claim 1, wherein: and a fan (26) is arranged at the air inlet of the air inlet cylinder (25).
6. The methanol flameless combustion warmer of claim 1, wherein: the outer wall of the hot water tank (21) is wrapped with an insulating layer (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223176242.5U CN218763635U (en) | 2022-11-29 | 2022-11-29 | Methanol Flameless Combustion Heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223176242.5U CN218763635U (en) | 2022-11-29 | 2022-11-29 | Methanol Flameless Combustion Heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218763635U true CN218763635U (en) | 2023-03-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223176242.5U Active CN218763635U (en) | 2022-11-29 | 2022-11-29 | Methanol Flameless Combustion Heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218763635U (en) |
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2022
- 2022-11-29 CN CN202223176242.5U patent/CN218763635U/en active Active
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