CN211832773U - Clean and environment-friendly methanol fuel tobacco leaf curing barn - Google Patents
Clean and environment-friendly methanol fuel tobacco leaf curing barn Download PDFInfo
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- CN211832773U CN211832773U CN202020396808.7U CN202020396808U CN211832773U CN 211832773 U CN211832773 U CN 211832773U CN 202020396808 U CN202020396808 U CN 202020396808U CN 211832773 U CN211832773 U CN 211832773U
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Abstract
The utility model discloses a clean environmental protection's methanol fuel tobacco leaf flue-curing house, be equipped with temperature and humidity sensor and a plurality of stores pylon in the dress smoke chamber, be equipped with the vent between dress smoke chamber and the heating chamber respectively, lower vent, top-down establishes the fan in proper order between last vent and lower vent in the heating chamber, the heat exchanger, the methanol combustion machine is located outside the heating chamber and the burner tip stretches into the heat exchanger lower part and communicates with it, the methanol combustion machine passes through methanol transportation pipe and methanol storage tank intercommunication, the exhaust port of heat exchanger with locate dress smoke chamber or the chimney on heating chamber upper portion and communicate, temperature and humidity sensor output and intelligent control ware input electric connection, intelligent control ware control end respectively with the fan, the fuel control valve and the ignition coil electric connection of methanol combustion machine. The utility model discloses simple structure, roast room humiture easy control, the little and energy-concerving and environment-protective, the intelligence of fuel thermal inertia toasts, can show the roast back quality that improves the tobacco leaf.
Description
Technical Field
The utility model belongs to the technical field of tobacco flue-curing barn, concretely relates to simple structure, flue-curing barn humiture are easy to control, the little and energy-concerving and environment-protective, the intelligence of fuel thermal inertia is toasted, can show the methanol fuel tobacco leaf flue-curing barn of the clean environmental protection who improves the quality after the tobacco leaf is toasted.
Background
Tobacco leaf baking is a very important link in the production process of flue-cured tobacco, and the baking quality not only affects the availability of the baked tobacco leaves, but also affects the income of tobacco growers. The baking quality not only depends on the maturity of the tobacco leaves, but also has close relation with the baking house structure, the baking equipment and the fuel in the baking process. With the modernization and intensive development of tobacco production, scientific and technological cigarette development has become the main melody of the development of traditional agriculture to modern tobacco. The tobacco curing barn is matched by using advanced scientific technology, clean and efficient energy is selected for curing tobacco leaves, the temperature and humidity of the curing barn are continuously and accurately controlled, the internal quality and the external quality of the tobacco leaves are further improved, intelligent curing is realized, the labor intensity and the production cost are reduced, and the economic benefit is increased, so that the tobacco curing barn becomes an important work for tobacco development at the present stage.
In current tobacco leaf baking, a bulk curing barn gradually becomes the development direction of flue-cured tobacco baking equipment. Most of tobacco leaf baking energy sources use coal as fuel, a large amount of labor is invested in the baking process, the coal is unstable in combustion and heat supply, the quality of the baked tobacco leaves is affected by violent temperature rise and temperature drop easily, and a large amount of SO is discharged after baking2、CO2And pollutants such as particulate matters cause various problems of environmental pollution. And a small part of curing barn uses an electric heat pump or a heat pump to combine with solar energy to serve as fuel, but uses electric energy, so that the pressure of a power grid is high, the popularization cost is high, and the problems of low heating efficiency and insufficient fineness and stability in temperature adjustment exist. And the solar energy can be influenced by solar radiation, so that the solar heat can hardly meet the requirements of baking temperature and humidity. At present, more biomass energy is used, and the biomass energy has certain advantages, but biomass particles are scattered, the density is low, the distribution of the points of manufacturers is less, the yield is low, the development is slow, and the collection, the storage and the transportation are inconvenient. The baking technology of the biomass fuel baking room breaks through the existing baking technology, and a certain distance is reserved for completely realizing intelligent and precise baking.
During the ten-twelve-five planning period of the country, the coal chemical industry is vigorously developed in the coal production areas of the Chinese and western countries, and the project of co-production of methanol by small and medium-sized chemical fertilizer plants in the country is put into operation, so that the annual yield of methanol in the country is over 7000 ten thousand tons at present, and the methanol production capacity is surplus. The methanol fuel exists in a liquid state, and compared with combustible gases such as natural gas and the like, the methanol fuel can be stored and laid on conventional pipelines only by low-cost equipment, the heat source is improved simply and has low cost, methanol flames can be extinguished by water, combustible gas aggregation is not easily formed due to low volatilization, the explosion hazard is avoided, and tail gas emission is carbon dioxide and water. The surplus methanol productivity is transferred and applied to the field of tobacco leaf baking, so that the requirement pressure of clean energy fuel in rural areas can be greatly relieved, and low-carbon, green and efficient development of tobacco baking can be promoted. Therefore, it is necessary to develop a methanol fuel tobacco leaf curing barn capable of using methanol fuel as energy to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a simple structure, humiture are easily controlled, the hot inertia of fuel is little and energy-concerving and environment-protective, intelligence is toasted, can show the methanol fuel tobacco leaf baking house who improves the tobacco leaf quality after toasting.
The purpose of the utility model is realized like this: including dress smoke chamber, temperature and humidity sensor, heating chamber, fan, heat exchanger, methyl alcohol combustor, methyl alcohol storage tank, methyl alcohol conveyer pipe, intelligent control ware, chimney, be provided with the stores pylon of temperature and humidity sensor and a plurality of clamping tobacco leaf in the dress smoke chamber, be provided with vent, lower vent between dress smoke chamber and the heating chamber respectively, top-down sets gradually fan, heat exchanger between last vent and lower vent in the heating chamber, the methyl alcohol combustor is fixed to be set up outside the heating chamber and the burner nozzle stretches into the lower part of heat exchanger and communicates with it, the methyl alcohol combustor passes through methyl alcohol conveyer pipe and methyl alcohol storage tank intercommunication, the exhaust port of heat exchanger with set up in dress smoke chamber or the chimney intercommunication on heating chamber upper portion, temperature and humidity sensor's output and intelligent control ware's input electric connection, intelligent control ware's control end respectively with fan, the fan, The fuel control valve of the methanol burner is electrically connected with the ignition coil.
The utility model has the advantages that:
1. the utility model discloses a methanol fuel have that thermal inertia is little, generate heat fast, advantage that the thermal efficiency is high for the tobacco flue-curing can satisfy the humiture demand of baking process, and can not appear the problem of fiercely rising temperature, cooling in the baking process, and temperature humidity control is effectual, can effectively improve the quality of baking of tobacco leaf.
2. The utility model adopts the intelligent controller, can read the signal of the temperature and humidity sensor in the cigarette loading chamber, and automatically control the rotating speed of the fan according to the preset baking process curve, thereby satisfying the air quantity and the air speed required by baking; meanwhile, the methanol flow of the methanol burner can be automatically controlled, and the opening and closing time and the opening degree of the moisture discharging port are controlled in a matched manner, so that the temperature and the humidity in the tobacco loading chamber can be effectively guaranteed within the set range of the baking process, the temperature and humidity control effect of the tobacco loading chamber is greatly improved, and the baking operation difficulty is simplified.
3. The utility model discloses a heat exchanger of particular structure, the vertical ground of arranging of cooling tube is "S" type and distributes, passes through the fan to diffuse in the heating chamber the heat in the high-temperature gas that the methyl alcohol combustor produced fully, then recycles and supplies the tobacco leaf to toast in the dress smoke chamber and use, has not only improved thermal efficiency, and the consumption of reducible methyl alcohol fuel does not have smoke and dust and sulfur dioxide emission after the methyl alcohol burning in addition, reaches energy-conserving effect.
4. The utility model discloses a flow and the switch opportunity of methyl alcohol can be adjusted according to intelligent control ware's instruction to the methyl alcohol combustor, cooperation air regulation mouth and hydrofuge mouth to realize toasting the accurate regulation and control of in-process warm humidity, compare the reducible artifical link of feeding of traditional coal-fired and biomass fuel simultaneously, realize reducing the worker and fall this effect.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a partial view of the heat exchanger A-A of FIG. 1;
FIG. 3 is a partial view taken along line B-B of FIG. 2;
in the figure: 1-a smoke containing chamber, 2-a temperature and humidity sensor, 3-a heating chamber, 4-a fan, 5-a heat exchanger, 501-a front fire box, 502-a rear fire box, 503-a radiator, 504-a radiating pipe, 505-a fin, 6-a methanol burner, 7-a methanol storage tank, 8-a methanol conveying pipe, 9-an intelligent controller, 10-a chimney, 11-a hanging frame, 12-an upper ventilating opening, 13-a lower ventilating opening, 14-an air quantity adjusting opening and 15-a moisture exhaust opening.
Detailed Description
The present invention is further described with reference to the following drawings and examples, but the present invention is not limited thereto in any way, and any modification or improvement based on the teaching of the present invention is within the protection scope of the present invention.
As shown in fig. 1, the utility model comprises a tobacco loading chamber 1, a temperature and humidity sensor 2, a heating chamber 3, a fan 4, a heat exchanger 5, a methanol combustion machine 6, a methanol storage tank 7, a methanol delivery pipe 8, an intelligent controller 9 and a chimney 10, wherein the tobacco loading chamber 1 is internally provided with the temperature and humidity sensor 2 and a plurality of hangers 11 for clamping tobacco leaves, an upper vent 12 and a lower vent 13 are respectively arranged between the tobacco loading chamber 1 and the heating chamber 3, the fan 4 and the heat exchanger 5 are sequentially arranged between the upper vent 12 and the lower vent 13 from top to bottom in the heating chamber 3, the methanol combustion machine 6 is fixedly arranged outside the heating chamber 3, a combustion nozzle extends into the lower part of the heat exchanger 5 and is communicated with the heat exchanger, the methanol combustion machine 6 is communicated with the methanol storage tank 7 through the methanol delivery pipe 8, a smoke outlet of the heat exchanger 5 is communicated with the 10 arranged, the output of temperature and humidity sensor 2 and intelligent control ware 9's input electric connection, intelligent control ware 9's control end respectively with fan 4, methanol combustion machine 6's fuel control valve and ignition coil electric connection.
The heating chamber 3 lateral wall is provided with the air regulation mouth 14 that communicates the external world and with intelligent control 9's control end electric connection, dress cigarette room 1 lateral wall is provided with the hydrofuge mouth 15 that communicates the external world.
The moisture exhaust port 15 is arranged at the upper part or the lower part of the side wall of the cigarette containing chamber 1 and is electrically connected with the control end of the intelligent controller 9.
As shown in fig. 2 and 3, the heat exchanger 5 includes a front fire box 501, a rear fire box 502 and a radiator 503, the front fire box 501 is communicated with a burner of the methanol burner 6, two ends of the radiator 503 are respectively connected with the front fire box 501 and the rear fire box 502, and the rear fire box 502 is communicated with the chimney 10.
The heat radiator 503 is composed of a plurality of S-shaped heat dissipation pipes 504 which are parallel to each other and are arranged vertically or obliquely, the front fire box 501 is arranged at the lower part of the heat dissipation pipes 504 and is communicated with the air inlet end thereof, and the rear fire box 502 is arranged at the upper part of the heat dissipation pipes 504 and is communicated with the air outlet end thereof.
Preceding fire case 501 is the trumpet-shaped or frustum-shaped hollow structure of central level or slope setting, the burner tip of methyl alcohol combustor 6 stretches into from the preceding fire case 501 tip of trumpet-shaped or frustum-shaped hollow structure, the inlet end of cooling tube 504 communicates with it from the lateral wall of preceding fire case 501.
The chimney 10 is communicated with the back fire box 502 at one side far away from the front fire box 501 and communicated with the burner tip of the methanol burner 6.
The heat dissipation pipe 504 is a finned pipe, and a convex fin 505 is arranged on the pipe wall of the heat dissipation pipe 504.
The intelligent controller 9 is a special automatic controller or a common PLC controller which can be used in the existing curing barn.
Examples
The experiment is gone on in Yunan province Dalizhou Midu county, establishes coal-fired roast room, living beings granule roast room the utility model discloses a methanol fuel roast room toasts respectively. In a field with balanced nutrition and even growth of tobacco plants, the middle leaves (11-13 leaf positions) of a local main cultivated variety Honghuadajinyuan are selected as test materials.
The tobacco leaves to be tested are harvested according to the maturity standard, the tobacco leaves with the same plot, the same part and the same maturity are selected during harvesting, the tobacco leaves are woven into a furnace in the same day, and the tobacco rods to be tested are marked. The tobacco leaves to be tested are placed in the same position of the middle layer of each curing barn, and the curing is carried out according to the local three-section curing process.
The utility model discloses a methanol fuel curing barn toasts operation process does: when tobacco leaves are loaded into a hanger 11 of a tobacco loading chamber 1, after a baking switch of a curing barn is started, an intelligent controller 9 controls an upper vent 12 and a lower vent 13 to be opened, a fan 4 is controlled to rotate at the same time, the intelligent controller 9 controls a fuel inlet end of a methanol burner 6 or a fuel control valve on a methanol delivery pipe 8 to be opened, methanol is delivered into the methanol burner 6 from a methanol storage tank 7 through the methanol delivery pipe 8, the intelligent controller 9 controls an ignition coil of the methanol burner 6 to be ignited to combust the methanol, and generated heat is exchanged heat through a heat exchanger 5; the intelligent controller 9 can control the rotating speed and the rotating direction of the fan 4, so that the air heated by the heat exchanger 5 circulates between the tobacco containing chamber 1 and the heating chamber 3 through the lower vent 13 and the upper vent 12 or through the upper vent 12 and the lower vent 13, and the tobacco leaves are baked; when the temperature and humidity sensor 2 detects that the temperature of the airflow at the air inlet of the cigarette containing chamber 1 is lower than a set threshold value, the intelligent controller 9 controls the methanol burner 6 to increase or turn on the supply of methanol so as to increase the heat value in the heat exchanger 5 and heat the flowing airflow. The initial stage of toasting, the humidity in the dress smoke-box 1 is great, can open the air regulation mouth 14 of heating chamber 3 lateral wall and increase the amount of wind to make the hydrofuge mouth 15 in the dress smoke-box 1 open automatically under the atmospheric pressure effect in order to accelerate the hydrofuge process, when the humidity in the dress smoke-box 1 reaches normal dehumidification requirement, can close air regulation mouth 14, thereby stabilize the humidity in the dress smoke-box 1.
The baking operation of the coal-fired baking room and the biomass particle baking room can be carried out according to the conventional operation.
1. And after the baking is finished, classifying the tobacco leaves baked in different baking rooms, counting the proportion of first-class tobacco, medium-class tobacco and lower-class tobacco, and calculating the average price according to the purchase price of the tobacco leaves in the current year. The results are shown in Table 1.
TABLE 1 comparison of economic characteristics of tobacco leaves after baking in different energy baking rooms
The results show that: the middle and upper tobacco ratio and the average price of the tobacco leaves after being baked in the methanol fuel baking room are higher than those of the coal burning baking room and the biomass particle baking room, and the lower grade tobacco is lower than those of the coal burning baking room and the biomass particle baking room. The tobacco leaf average price after the baking in the methanol fuel baking room is 3.98 yuan/kg and 2.23 yuan/kg higher than that in the coal baking room and the biomass particle baking room.
And (4) conclusion: the methanol fuel curing barn is used for curing the tobacco leaves, so that the curing quality of the tobacco leaves can be improved, the average price of the cured tobacco leaves is increased, and the tobacco grower can increase the income.
2. The chemical components are an important index for reflecting the quality of the tobacco leaves, and are coordinated, the sensory evaluation quality of the tobacco leaves is better, and the industrial availability is higher. Generally, the high-quality tobacco has 18-22% of total sugar, 16-18% of reducing sugar, 1.5-3.5% of total nitrogen, 1.5-3.5% of nicotine, more than 2% of potassium, less than 1% of chlorine and about 4-5% of starch, the nitrogen-to-alkali ratio is preferably 1 or slightly less than 1, the sugar-to-alkali ratio is generally 6-10, and the best flue-cured tobacco quality is close to 10. And (4) carrying out conventional chemical component detection on the tobacco leaves baked in different baking rooms. The results are shown in Table 2.
TABLE 2 comparison of chemical compositions of tobacco leaves after curing in different energy curing barn
The results show that: the total nitrogen, nicotine, potassium oxide, chlorine and starch contents of the tobacco leaves after being baked in the methanol fuel baking room all meet the standard of high-quality tobacco, the sugar-base ratio, the nitrogen-base ratio and the difference between the sugar and the base of the baked tobacco leaves are superior to those of a coal baking room and a biomass particle baking room, and the chemical components are more coordinated.
And (4) conclusion: the methanol fuel curing barn is used for curing the tobacco leaves, so that the curing quality of the tobacco leaves can be improved, the chemical components of the cured tobacco leaves are coordinated, the standard of high-quality tobacco leaves is met, and the quality and aroma enhancement of the tobacco leaves are facilitated.
Claims (8)
1. A clean and environment-friendly methanol fuel tobacco leaf curing barn is characterized by comprising a tobacco containing chamber (1), a temperature and humidity sensor (2), a heating chamber (3), a fan (4), a heat exchanger (5), a methanol burner (6), a methanol storage tank (7), a methanol delivery pipe (8), an intelligent controller (9) and a chimney (10), wherein the temperature and humidity sensor (2) and a plurality of hangers (11) for clamping tobacco leaves are arranged in the tobacco containing chamber (1), an upper vent (12) and a lower vent (13) are respectively arranged between the tobacco containing chamber (1) and the heating chamber (3), the fan (4) and the heat exchanger (5) are sequentially arranged between the upper vent (12) and the lower vent (13) from top to bottom in the heating chamber (3), the methanol burner (6) is fixedly arranged outside the heating chamber (3), and a burner nozzle extends into the lower part of the heat exchanger (5) and is communicated with the lower vent, methanol combustion machine (6) are through methyl alcohol conveyer pipe (8) and methyl alcohol storage tank (7) intercommunication, the exhaust port of heat exchanger (5) with set up in chimney (10) intercommunication on dress smoke-box (1) or heating chamber (3) upper portion, the output of temperature and humidity sensor (2) and the input electric connection of intelligent control ware (9), the control end of intelligent control ware (9) respectively with fan (4), the fuel control valve and the ignition coil electric connection of methanol combustion machine (6).
2. The clean and environment-friendly methanol fuel tobacco leaf curing barn according to the claim 1, wherein the side wall of the heating chamber (3) is provided with an air volume adjusting port (14) communicated with the outside and electrically connected with the control end of the intelligent controller (9), and the side wall of the tobacco containing chamber (1) is provided with a moisture discharging port (15) communicated with the outside.
3. The clean and environment-friendly methanol fuel tobacco flue-curing barn according to claim 2, wherein the moisture discharging port (15) is arranged at the upper part or the lower part of the side wall of the tobacco chamber (1) and is electrically connected with the control end of the intelligent controller (9).
4. The clean and environment-friendly methanol fuel tobacco leaf curing barn according to the claim 1, the claim 2 or the claim 3, wherein the heat exchanger (5) comprises a front fire box (501), a rear fire box (502) and a radiator (503), the front fire box (501) is communicated with a burner nozzle of the methanol burner (6), two ends of the radiator (503) are respectively connected with the front fire box (501) and the rear fire box (502), and the rear fire box (502) is communicated with a chimney (10).
5. The clean and environment-friendly methanol fuel tobacco flue-curing barn according to claim 4, wherein the radiator (503) is composed of a plurality of 'S' -shaped radiating pipes (504) which are parallel to each other and are arranged vertically or obliquely, the front fire box (501) is arranged at the lower part of the radiating pipes (504) and is communicated with the air inlet ends thereof, and the rear fire box (502) is arranged at the upper part of the radiating pipes (504) and is communicated with the air outlet ends thereof.
6. The clean and environment-friendly methanol fuel tobacco flue-curing barn according to claim 5, wherein the front fire box (501) is of a horn-shaped or frustum-shaped hollow structure with a horizontal or inclined center, the burner tip of the methanol burner (6) extends into the front fire box (501) from the small end of the horn-shaped or frustum-shaped hollow structure, and the air inlet end of the heat dissipation pipe (504) is communicated with the front fire box (501) from the side wall thereof.
7. The clean and environment-friendly methanol fuel tobacco flue-curing barn according to the claim 5, wherein the chimney (10) is communicated with the back fire box (502) at the side far away from the burner tip of the methanol burner (6) communicated with the front fire box (501).
8. The clean and environment-friendly methanol fuel tobacco flue-curing barn according to claim 5, wherein the heat dissipation pipe (504) is a finned pipe, and the wall of the heat dissipation pipe (504) is provided with convex fins (505).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020396808.7U CN211832773U (en) | 2020-03-25 | 2020-03-25 | Clean and environment-friendly methanol fuel tobacco leaf curing barn |
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| CN202020396808.7U CN211832773U (en) | 2020-03-25 | 2020-03-25 | Clean and environment-friendly methanol fuel tobacco leaf curing barn |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114698866A (en) * | 2022-05-13 | 2022-07-05 | 云南省烟草公司红河州公司 | Gas atmosphere adjustable methanol fuel tobacco flue-curing house heating system |
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2020
- 2020-03-25 CN CN202020396808.7U patent/CN211832773U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114698866A (en) * | 2022-05-13 | 2022-07-05 | 云南省烟草公司红河州公司 | Gas atmosphere adjustable methanol fuel tobacco flue-curing house heating system |
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