CN217771409U - Tobacco leaf curing barn using methanol fuel - Google Patents
Tobacco leaf curing barn using methanol fuel Download PDFInfo
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- CN217771409U CN217771409U CN202221904034.XU CN202221904034U CN217771409U CN 217771409 U CN217771409 U CN 217771409U CN 202221904034 U CN202221904034 U CN 202221904034U CN 217771409 U CN217771409 U CN 217771409U
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Abstract
The utility model provides an use methanol fuel's tobacco flue-curing barn, include: a tobacco loading chamber; a hot air chamber; the methanol burner is communicated with a discharge pipe at a combustion discharge port; the heat exchanger is arranged in the hot air chamber and is provided with a heat exchange inlet and a heat exchange outlet, the discharge pipe is communicated with the heat exchange inlet, the heat exchange outlet is communicated with a tee joint to form two branch pipelines which are a first branch pipeline and a second branch pipeline, the tail end of the first branch pipeline is communicated with a chimney communicated with the outside atmosphere, a first branch valve is arranged on the first branch pipeline, and the tail end of the second branch pipeline is communicated with the hot air chamber and a second branch valve is arranged on the second branch pipeline. The curing barn can flexibly adjust the working modes at different stages of curing of tobacco leaves so as to meet the requirements of each curing stage. And, dress cigarette room and hot-blast room all adopt the steel face phenolic aldehyde composite insulation board through light steel leg joint to form, have realized the lightweight when guaranteeing intensity for it can form the tobacco leaf curing barn of being convenient for remove.
Description
Technical Field
The utility model relates to a tobacco leaf flue-curing barn technical field especially relates to an use tobacco leaf flue-curing barn of methyl alcohol fuel.
Background
The curing barn is the professional equipment necessary for curing the tobacco leaves, and the prior intensive tobacco leaf curing barn adoptsA fixed brick-concrete structure is used, and the used energy mainly adopts coal as fuel. Since the coal consumption per 1kg of dry smoke produced is generally 1.5kg to 2kg, the energy utilization efficiency is only about 30%. The coal used for tobacco leaf baking can generate NO x And SO 2 And the like, causing environmental pollution. In recent years, biomass fuel, electric energy (heat pump, also called air energy), solar energy, methanol fuel and other energy sources are explored and tried in bulk curing barn in many domestic areas. As for natural gas, liquefied petroleum gas and other energy sources, the application in the curing barn is rare because the energy source supply is difficult to reach the wide tobacco leaf producing area.
The new energy is gradually applied to the bulk curing barn, has obvious effects of reducing environmental pollution and improving energy efficiency, and creates conditions for realizing automatic control of the bulk curing barn. However, various new energy curing barn have the advantages and the disadvantages that the curing barn is not avoidable, namely, the bulk curing barn is still an immovable fixed bulk curing barn.
In addition, for the tobacco leaf curing barn using the methanol fuel, the combustion product is only CO when the methanol fuel reaches the complete combustion state 2 And H 2 And O, the product is very clean. However, some current methods using methanol fuel are directly-heated, i.e. combustion products of a methanol combustion machine can directly enter a hot air system of a bulk curing barn to cure tobacco leaves, and the quality of the cured tobacco leaves is improved.
However, the method has some disadvantages because the tobacco leaf is baked in different stages, and the requirements for humidity in different stages are different, for example, in the later stage of baking, a drier environment is needed, and at this time, if the direct heating type is still adopted, excessive moisture of combustion products can enter the flue-cured tobacco chamber, so that the existing flue-curing barn adopting methanol fuel has poor regulation flexibility.
Therefore, how to provide a tobacco curing barn capable of overcoming the technical problems becomes a technical problem which needs to be solved urgently by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem provide one, concrete technical scheme as follows:
a tobacco curing barn using methanol fuel, comprising:
the tobacco loading chamber is internally used for placing tobacco leaves and comprises a curing barn top heat insulation plate and a curing barn vertical surface heat insulation plate which are connected, wherein the curing barn top heat insulation plate and the curing barn vertical surface heat insulation plate are steel-faced phenolic aldehyde composite heat insulation plates and are connected through light steel brackets;
the hot air chamber is provided with a hot air outlet close to the upper position, the hot air outlet is communicated with the smoke containing chamber, and the hot air chamber comprises a plurality of steel-faced phenolic aldehyde composite heat insulation plates connected through light steel brackets;
the methanol burner is fixedly connected to the hot air chamber, and a combustion outlet of the methanol burner is communicated with a discharge pipe;
the heat exchanger is arranged in the hot air chamber and provided with a heat exchange inlet and a heat exchange outlet, combustion products discharged by the discharge pipe enter the heat exchanger and can heat air in the hot air chamber, the discharge pipe is communicated with the heat exchange inlet, the heat exchange outlet is communicated with a tee joint to form two branch pipelines which are a first branch pipeline and a second branch pipeline, the tail end of the first branch pipeline is communicated with a chimney communicated with the outside atmosphere, a first branch valve is arranged on the first branch pipeline, and the tail end of the second branch pipeline is communicated with the hot air chamber and a second branch pipeline, and a second branch valve is arranged on the second branch pipeline.
Preferably, the hot air circulation fan is arranged in the hot air chamber, a fan outlet of the hot air circulation fan is communicated with the hot air outlet, and the hot air circulation fan is positioned above the heat exchanger in the hot air chamber.
Preferably, the methanol burner is disposed in the hot air chamber and below the heat exchanger.
Preferably, an air return opening is formed in the position, close to the lower position, of the hot air chamber, and the air return opening is communicated with the tobacco containing chamber.
Preferably, the air return opening is provided with an air return quantity adjusting air door.
Preferably, the cigarette box further comprises a humidity exhaust amount adjusting damper which is installed at a lower position of the cigarette containing chamber.
Preferably, the hot air chamber is provided with a fresh air supplement port, and the fresh air supplement port is provided with a fresh air supplement quantity adjusting air door.
Preferably, the heat exchanger comprises a heat exchange tube body in a spiral shape.
Preferably, the tobacco loading chamber and the hot air chamber are arranged side by side, the heat insulation board at the top of the curing barn is arranged in an inclined mode, and the heat insulation board at the top of the curing barn is arranged in a gradually-reduced mode along the direction far away from the hot air chamber and away from the horizontal plane.
Compared with the prior art, the utility model provides an use methanol fuel's tobacco flue-curing barn has following beneficial effect:
the flue-curing barn is provided with a tee joint to form two branch pipelines, and the tobacco leaves need certain moisture in the front and middle stages of tobacco leaf curing, so that the first branch valve can be closed and the second branch valve can be opened, and at the moment, combustion products containing certain moisture can directly enter the hot air chamber and then enter the tobacco loading chamber; and in the later stage of tobacco leaf curing, the first branch valve can be opened and the second branch valve can be closed, at this moment, the combustion products can be prevented from entering the hot air chamber, and at this moment, drier hot air heated by the heat exchanger is provided. Obviously, the curing barn adopts methanol fuel, and the working modes can be flexibly adjusted at different stages of curing of the tobacco leaves so as to meet the requirements of each curing stage. And, dress cigarette room and hot-blast room all adopt the steel face phenolic aldehyde composite insulation board through light steel leg joint to form, have realized the lightweight when guaranteeing intensity for it can form the tobacco leaf curing barn of being convenient for remove.
And the discharge pipe of the methanol combustor is directly communicated with the inlet of the heat exchanger, so that combustion products directly enter the heat exchanger.
Preferably, a return air volume damper is provided to adjust the volume of air.
As the preferred, roast room top heated board is the slope setting, can make the drop of water that hot-blast probably produced that gets into the dress cigarette room flow to the distant place along this incline direction, avoids its drippage at whole roast room top within range, and then influences the effect of the toasting of tobacco leaf.
Drawings
FIG. 1 is a schematic structural view of a tobacco curing barn according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a tee joint communicated with a heat exchange outlet of a heat exchanger;
fig. 3 is a schematic structural view in a side direction of fig. 1.
The reference numbers in fig. 1-3 are as follows:
1 tobacco charging room, 2 roast room top heated board, 3 hot-blast rooms, 4 methyl alcohol combustor, 5 heat exchangers, 6 first branch pipelines, 7 second branch pipelines, 8 heated air circulation fan, 9 return air inlets, 10 return air amount damper, 11 hydrofuge volume damper, 12 new trend make-up mouths, 13 string cigarette frame stands, 14 string cigarette frame horizontal poles, 15 steady flame combustion chambers, 16 state observation windows, 17 tobacco flue-curing intelligent control ware.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Referring to fig. 1 to 3, the present invention provides a tobacco curing barn using methanol fuel, comprising:
the tobacco loading chamber 1 is used for placing tobacco leaves inside, the tobacco loading chamber 1 comprises a curing barn top heat insulation plate 2 and a curing barn vertical face heat insulation plate which are connected, and the curing barn top heat insulation plate 2 and the curing barn vertical face heat insulation plate are steel-faced phenolic aldehyde composite heat insulation plates and are connected through light steel brackets;
a hot air chamber 3, wherein a hot air outlet is arranged at the upper position of the hot air chamber 3 and is communicated with the tobacco loading chamber 1, and the hot air chamber 3 comprises a plurality of steel-faced phenolic aldehyde composite insulation boards connected through light steel brackets;
a methanol burner 4 which is fixedly connected to the hot air chamber 3 and the combustion outlet of which is communicated with a discharge pipe;
the heat exchanger 5 is arranged in the hot air chamber 3 and is provided with a heat exchange inlet and a heat exchange outlet, combustion products discharged by the discharge pipe enter the heat exchanger 5 and can heat air in the hot air chamber, the discharge pipe is communicated with the heat exchange inlet, the heat exchange outlet is communicated with a tee joint to form two branch pipelines which are a first branch pipeline 6 and a second branch pipeline 7, the tail end of the first branch pipeline 6 is communicated with a chimney (not shown in the figure) communicated with the outside atmosphere, a first branch valve is arranged on the first branch pipeline 6, and the tail end of the second branch pipeline 7 is communicated with the hot air chamber 3 and a second branch pipeline 7.
The flue-curing barn is provided with a tee joint to form two branch pipelines, and the tobacco leaves need certain moisture in the front and middle stages of tobacco leaf curing, so that the first branch valve can be closed and the second branch valve can be opened, and at the moment, combustion products containing certain moisture can directly enter the hot air chamber 3 and then enter the tobacco loading chamber 1; and in the later stage of tobacco leaf curing, the first branch valve can be opened and the second branch valve can be closed, at this time, the combustion products can be prevented from entering the hot air chamber 3, and at this time, the drier hot air heated by the heat exchanger is provided. Obviously, the curing barn adopts methanol fuel, and the working modes can be flexibly adjusted at different stages of curing of the tobacco leaves so as to meet the requirements of each curing stage. And, dress tobacco chamber 1 and hot-blast room 3 all adopt the steel face phenolic aldehyde composite insulation board through light steel support connection to form, have realized the lightweight when guaranteeing intensity for it can form the tobacco leaf curing barn of being convenient for remove.
And, the discharge pipe of methyl alcohol combustor 4 is the entry that directly communicates heat exchanger 5 for the combustion products directly gets into in the heat exchanger 5, through this setting, when the combustion products of needs directly gets into hot-blast room 3, can guarantee that all combustion products of methyl alcohol directly gets into in the hot-blast room through heat exchanger 5, guarantee that the moisture of combustion products can all directly get into in the smoke chamber 1 as far as possible.
As shown in fig. 1, the heat exchanger further includes a heated air circulation fan 8 disposed in the hot air chamber 3, a fan outlet of the heated air circulation fan 8 is communicated with the heated air outlet, and the heated air circulation fan 8 is disposed in the hot air chamber 3 and above the heat exchanger 5.
And a methanol burner 4 is arranged in the hot air chamber 3 and is positioned below the heat exchanger 5.
In a specific embodiment, an air return opening 9 is formed in the lower position of the hot air chamber 3, and the air return opening 9 is communicated with the cigarette containing chamber 1.
Further, a return air quantity adjusting air door 10 is installed at the return air inlet 9.
The return air quantity adjusting air door 10 is arranged to adjust the quantity of air.
As shown, a humidity exhaust amount damper 11 is further included, and is installed at a lower position of the smoking chamber 1.
In a specific embodiment, a fresh air supplement port 12 is formed in the hot air chamber 3, and a fresh air supplement quantity adjusting air door is installed at the position of the fresh air supplement port 12.
Further, as shown in fig. 1, the tobacco loading chamber 1 and the hot air chamber 3 are arranged side by side, and the insulation board 2 at the top of the curing barn is arranged in an inclined manner, and the inclination is set to gradually reduce the height of the insulation board 2 at the top of the curing barn away from the horizontal plane in the direction of the hot air chamber 3.
Roast room top heated board 2 is the slope setting, can make the drop of water that hot-blast probably produced that gets into dress tobacco chamber 1 can flow to the distant place along this incline direction, avoids its drippage at whole roast room top within range, and then influences the effect of the toasting of tobacco leaf.
In addition, the heat exchanger 5 can exchange heat sufficiently including being spiral heat exchange tube.
In a specific embodiment, the cigarette hanging frame is arranged in the cigarette containing chamber 1 and consists of a cigarette hanging frame upright post 13 and a cigarette hanging frame cross rod 14, and the standard dimension used in the internal space industry is standard. A tobacco leaf state transparent observation window 16 is arranged at a proper position of the tobacco containing chamber 1.
The tobacco loading chamber 1 is internally provided with a temperature and humidity sensor which collects temperature and humidity data in real time to the flue-curing barn tobacco leaf curing intelligent controller 17, and the intelligent control is carried out according to the temperature, the heating rate and the humidity of each stage of the curing process curve, so that the actual temperature and the humidity value in the tobacco loading chamber are in accordance with the process requirements.
In one embodiment, the flame of the methanol burner 4 enters the flame-stabilizing combustion chamber 15 from the burner of the methanol clean burner, and the high-temperature flue gas which reaches completely clean combustion in the flame-stabilizing combustion chamber 15 can enter the heat exchanger 5.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (9)
1. A tobacco curing barn using methanol fuel, comprising:
the tobacco loading chamber is internally used for placing tobacco leaves and comprises a curing barn top heat insulation plate and a curing barn vertical surface heat insulation plate which are connected, wherein the curing barn top heat insulation plate and the curing barn vertical surface heat insulation plate are steel-faced phenolic aldehyde composite heat insulation plates and are connected through light steel brackets;
the hot air chamber is provided with a hot air outlet at the upper position, the hot air outlet is communicated with the tobacco loading chamber, and the hot air chamber comprises a plurality of steel surface phenolic aldehyde composite heat insulation plates connected through light steel brackets;
the methanol burner is fixedly connected to the hot air chamber, and a combustion outlet of the methanol burner is communicated with a discharge pipe;
the heat exchanger is arranged in the hot air chamber and provided with a heat exchange inlet and a heat exchange outlet, combustion products discharged by the discharge pipe enter the heat exchanger and can heat air in the hot air chamber, the discharge pipe is communicated with the heat exchange inlet, the heat exchange outlet is communicated with a tee joint to form two branch pipelines which are a first branch pipeline and a second branch pipeline, the tail end of the first branch pipeline is communicated with a chimney communicated with the outside atmosphere, a first branch valve is arranged on the first branch pipeline, and the tail end of the second branch pipeline is communicated with the hot air chamber and a second branch pipeline, and a second branch valve is arranged on the second branch pipeline.
2. The tobacco flue-curing barn using methanol fuel according to claim 1, further comprising a heated air circulating fan disposed in the heated air chamber, wherein a fan outlet of the heated air circulating fan is communicated with the heated air outlet, and the heated air circulating fan is disposed above the heat exchanger in the heated air chamber.
3. The methanol-fueled tobacco curing barn according to claim 1, wherein the methanol burner is positioned in the hot air chamber below the heat exchanger.
4. The tobacco leaf curing barn using the methanol fuel according to claim 1, wherein an air return opening is formed at a position close to the lower part of the hot air chamber, and the air return opening is communicated with the tobacco containing chamber.
5. The tobacco curing barn using methanol fuel as claimed in claim 4, wherein a return air quantity damper is installed at the return air inlet.
6. The methanol fueled tobacco leaf curing barn according to claim 1, further comprising a moisture discharge capacity damper installed at a lower position of the tobacco housing chamber.
7. The tobacco curing barn using the methanol fuel as claimed in claim 1, wherein the hot air chamber is provided with a fresh air supply port, and a fresh air supply quantity damper is installed at the fresh air supply port.
8. The methanol-fueled tobacco curing barn according to claim 1, wherein the heat exchanger comprises a heat exchange tube having a spiral shape.
9. The tobacco flue-curing barn using methanol fuel according to claim 1, wherein the tobacco filling chamber and the hot air chamber are arranged side by side, and the top heat-insulating plate of the barn is arranged in an inclined manner such that the height of the top heat-insulating plate of the barn from the horizontal plane in the direction away from the hot air chamber is gradually reduced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221904034.XU CN217771409U (en) | 2022-07-22 | 2022-07-22 | Tobacco leaf curing barn using methanol fuel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221904034.XU CN217771409U (en) | 2022-07-22 | 2022-07-22 | Tobacco leaf curing barn using methanol fuel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217771409U true CN217771409U (en) | 2022-11-11 |
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ID=83941245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221904034.XU Active CN217771409U (en) | 2022-07-22 | 2022-07-22 | Tobacco leaf curing barn using methanol fuel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217771409U (en) |
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2022
- 2022-07-22 CN CN202221904034.XU patent/CN217771409U/en active Active
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