CN112315013A - Tobacco leaf modulation method for preset power failure emergency treatment of air source heat pump tobacco curing house - Google Patents
Tobacco leaf modulation method for preset power failure emergency treatment of air source heat pump tobacco curing house Download PDFInfo
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- CN112315013A CN112315013A CN202011274347.7A CN202011274347A CN112315013A CN 112315013 A CN112315013 A CN 112315013A CN 202011274347 A CN202011274347 A CN 202011274347A CN 112315013 A CN112315013 A CN 112315013A
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- tobacco
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B3/00—Preparing tobacco in the factory
- A24B3/12—Steaming, curing, or flavouring tobacco
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B3/00—Preparing tobacco in the factory
- A24B3/10—Roasting or cooling tobacco
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Abstract
The invention discloses a tobacco leaf modulating method for presetting power failure emergency treatment of an air source heat pump tobacco curing house, which comprises the steps of temperature and humidity regulation during normal power supply and ventilation and dehumidification device control during power failure; the temperature and humidity regulation during normal power supply is that a method of heating, dehumidifying and promoting smooth hot air among tobacco leaves is adopted in the tobacco leaf modulating process of the air source heat pump tobacco curing house during normal power supply; the control of the ventilation and dehumidification device during power failure is a method of slightly opening an air inlet door and fully opening a dehumidification window during power failure, and the temperature of a tobacco containing chamber is gradually reduced, so that no water is accumulated on the surface of tobacco leaves. Through temperature and humidity adjustment when power is supplied normally and a method of slightly opening an air inlet door and fully opening a moisture exhaust window during power failure, an air source heat pump tobacco curing room has power failure in the tobacco leaf curing process, the temperature of a tobacco containing room is gradually reduced, no water is accumulated on the surface of tobacco leaves in a short time, and the tobacco leaves are little or no lost. The invention has no obvious difference with the quality characteristics and appearance characteristics of the tobacco leaves after normal modulation by power supply, and the technology has stronger stability.
Description
Technical Field
The invention belongs to the technical field of tobacco leaf modulation, and particularly relates to a tobacco leaf modulation method for preset power failure emergency treatment of an air source heat pump tobacco curing house.
Background
The air source heat pump tobacco curing barn shows the outstanding characteristics of energy conservation and emission reduction, quality improvement and efficiency improvement in the tobacco leaf curing process, and is welcomed and determined by tobacco growers.
However, the air source heat pump tobacco flue-curing house also encounters a big obstacle in the process of popularization and application: the dependence on the power supply is large. The tobacco area without a stable power supply is popularized and applied to the air source heat pump tobacco curing barn, once power is cut off, heat supply of the tobacco curing barn is interrupted, so that the temperature rising process is stopped or the temperature stabilizing process cannot be continued, the process requirement of tobacco leaf modulation is violated, and great loss which is difficult to recover is possibly caused to the tobacco leaves in the modulation process.
The power utilization of the air source heat pump tobacco flue-curing house relates to parts such as a compressor, a circulating fan, electric auxiliary heat and a controller of a heat pump, the 14 horsepower air source heat pump tobacco flue-curing house (calculated according to 1 horsepower-0.735 Kw) further comprises power of the circulating fan, the electric auxiliary heat and the like, and a 14-15 Kw generator is basically required to be arranged. The running cost of the generator is very high, and the generator belongs to a non-environment-friendly product and causes pollution to the environment. The popularization and application of the air source heat pump tobacco curing house are objectively impossible to prepare a generator (for standby power supply use in case of power failure) according to the requirements.
At present, the generator used in the baking room during power failure can only meet the normal operation of the electric equipment except the heat pump.
How to give full play to the advantage of air source heat pump tobacco flue-curing house while can overcoming above-mentioned not enough is the problem that the air source heat pump tobacco flue-curing house of present popularization and application awaits urgent solution.
Disclosure of Invention
The invention aims to solve the technical problem of how to reduce or avoid tobacco leaf modulation loss by combining temperature and humidity regulation and control during normal power supply with necessary operation during power failure under the condition that the heat pump stops supplying heat due to power failure of an air source heat pump tobacco curing house.
The basic idea for solving the technical problems is as follows:
when the power supply is normal, the methods of 'heating, dehumidifying and smooth hot air between tobacco leaves' and 'power failure slightly opening the air inlet door and fully opening the moisture exhaust window' are adopted in the tobacco leaf curing process of the air source heat pump tobacco curing house, so that the temperature of the tobacco loading chamber is gradually reduced when power failure occurs in the operation process of the air source heat pump tobacco curing house, water is not accumulated on the surfaces of the tobacco leaves, and the tobacco leaf curing loss is reduced or avoided.
The invention aims to provide a tobacco leaf modulating method for preset power failure emergency treatment of an air source heat pump tobacco curing house.
The purpose of the invention is realized as follows:
the utility model provides a tobacco leaf modulation method of air source heat pump tobacco flue-curing house default power failure emergency treatment, includes the normal humiture regulation and control of the normal time humiture of power supply and the control of ventilation dehumidifier when having a power failure, its characterized in that includes following specific process:
firstly, temperature and humidity regulation and control when power supply is normal: when the tobacco leaf is modulated, the tobacco leaves are softened and collapsed by adopting a heating or dehumidifying method, the shape is changed, the gaps of the tobacco leaves are enlarged, and hot air is smooth. Starting tobacco leaf modulation, heating the tobacco filling chamber from natural temperature under the condition of no moisture discharge, heating the dry pellets to 36-37 ℃ at the heating speed of 2-3 ℃/h, and then stopping heating to naturally reduce the temperature to 26 ℃; then the temperature of the dry ball is increased to 38 ℃ at the heating rate of 3 ℃/h, and then the heating is stopped, and the temperature is naturally reduced to 28 ℃; and then the temperature of the dry ball is increased to 39 ℃ at the temperature increasing speed of 3 ℃/h, and then the heating is stopped, so that the temperature is naturally reduced. And (3) withering the tobacco leaves, enlarging gaps between the tobacco leaves, smoothing hot air, and turning to normal technological parameter modulation for 2-3 times.
Or the tobacco leaves are softened, collapsed, changed in shape, pulled apart in gaps and smooth in hot air by adopting a temperature stabilizing and dehumidifying method. Starting tobacco leaf modulation, starting temperature rise of a tobacco loading chamber from natural temperature, raising the dry bulb temperature to 37-38 ℃ at a temperature rise speed of 2-3 ℃/h, lowering the wet bulb temperature to 34-35 ℃, continuing for 8-12 h, withering the tobacco leaves, enlarging gaps among the tobacco leaves, smoothing hot air, and switching to normal process parameter modulation.
Secondly, the air inlet door is opened slightly in power failure, and the moisture exhausting window is opened fully: in the modulation process of the air source heat pump tobacco curing house, the power is cut off and the air inlet door is slightly opened in time to achieve the air inlet amount which is 5 to 8 percent of the total air inlet area; the moisture removing window is fully opened, and if the moisture removing window is a shutter, the window sheets are all supported up and down; if the door is a moisture exhaust door, the door is fully opened.
The invention has the beneficial effects that:
through temperature and humidity regulation when power is supplied normally and a method of slightly opening an air inlet door and fully opening a moisture exhaust window during power failure, power is cut off in the modulating process of the air source heat pump tobacco curing house, the temperature of a tobacco loading chamber is gradually reduced, no water or little water is accumulated on the surface of tobacco leaves within a short time of 6 hours, and the loss of the tobacco leaves is little or no.
Detailed Description
A tobacco leaf modulation method for power failure emergency treatment preset in an air source heat pump tobacco curing house comprises the following steps:
during use, temperature and humidity regulation and control during power supply normal: when the tobacco leaf is modulated, the tobacco leaves are softened and collapsed by adopting a heating or dehumidifying method, the shape is changed, the gaps of the tobacco leaves are enlarged, and hot air is smooth. Starting tobacco leaf modulation, heating the tobacco filling chamber from natural temperature under the condition of no moisture discharge, heating the dry pellets to 36-37 ℃ at the heating speed of 2-3 ℃/h, and then stopping heating to naturally reduce the temperature to 26 ℃; then the temperature of the dry ball is increased to 38 ℃ at the heating rate of 3 ℃/h, and then the heating is stopped, and the temperature is naturally reduced to 28 ℃; and then the temperature of the dry ball is increased to 39 ℃ at the temperature increasing speed of 3 ℃/h, and then the heating is stopped, so that the temperature is naturally reduced. And (3) withering the tobacco leaves, enlarging gaps between the tobacco leaves, smoothing hot air, and turning to normal technological parameter modulation for 2-3 times.
Or the tobacco leaves are softened, collapsed, changed in shape, pulled apart in gaps and smooth in hot air by adopting a temperature stabilizing and dehumidifying method. Starting tobacco leaf modulation, starting temperature rise of a tobacco loading chamber from natural temperature, raising the dry bulb temperature to 37-38 ℃ at a temperature rise speed of 2-3 ℃/h, lowering the wet bulb temperature to 34-35 ℃, continuing for 8-12 h, withering the tobacco leaves, enlarging gaps among the tobacco leaves, smoothing hot air, and switching to normal process parameter modulation.
Power failure slightly opens the air inlet door, and fully opens the moisture exhausting window: in the modulation process of the air source heat pump tobacco curing house, the power is cut off and the air inlet door is slightly opened in time to achieve the air inlet amount which is 5 to 8 percent of the total air inlet area; the moisture removing window is fully opened, and if the moisture removing window is a shutter, the window sheets are all supported up and down; if the door is a moisture exhaust door, the door is fully opened.
Example 1:
the tobacco leaf modulation method for the preset power failure emergency treatment of the air source heat pump tobacco curing house is applied to the implementation of the airflow ascending type air source heat pump tobacco curing house
The verification process and results are shown in table 1:
table 1 tobacco leaf modulation method for air source heat pump tobacco flue-curing house preset power failure emergency treatment and applied to airflow ascending type air source heat pump tobacco flue-curing house
A tobacco leaf modulation method for presetting power failure emergency treatment in an air source heat pump tobacco curing house is used for tobacco leaf modulation process: the power is cut for 6.0h in the tobacco leaf yellowing period, 4.5h in the withering period, 5.0h in the color fixing period and 5.0h in the stem drying period, and compared with a large-area non-outage airflow ascending type air source heat pump tobacco curing house, the tobacco leaf curing house has the advantages that the curing process is prolonged, the tobacco leaf curing quality is equivalent, the energy is saved, and the emission is reduced.
The tobacco leaf modulation result is as follows: the color is golden yellow and orange, the oil content is more, and no flue-cured tobacco leaves appear; the middle-high grade smoke proportion is 97%; and (3) evaluating the smoking result of the expert on the tobacco leaves: the incense has the advantages of pure quality, sufficient amount of incense, rich smoke concentration, small irritation, moderate strength, light miscellaneous gas, good taste and high use value.
Example 2:
the tobacco leaf modulation method for the preset power failure emergency treatment of the air source heat pump tobacco curing house is applied to the implementation of the airflow descending type air source heat pump tobacco curing house
The verification process and results are shown in table 2:
table 2 tobacco leaf modulation method for air source heat pump tobacco flue-curing house preset power failure emergency treatment and applied to airflow descending type air source heat pump tobacco flue-curing house
A tobacco leaf modulation method for presetting power failure emergency treatment in an air source heat pump tobacco curing house is used for tobacco leaf modulation process: the power is cut for 5.5h in the tobacco leaf yellowing period, 4.0h in the withering period, 5.8h in the color fixing period and 3.9h in the stem drying period, compared with a large-area descending air source heat pump tobacco curing house without stopping the flow of electricity, the curing process is prolonged, the curing quality of the tobacco leaves is equivalent, and the energy is saved and the emission is reduced.
The tobacco leaf modulation result is as follows: the color is golden yellow and orange, the oil content is more, and no flue-cured tobacco leaves appear; the middle-first grade smoke proportion is 98%; and (3) evaluating the smoking result of the expert on the tobacco leaves: the incense has the advantages of pure quality, sufficient amount of incense, rich smoke concentration, small irritation, moderate strength, light miscellaneous gas, good taste and high use value.
Claims (10)
1. A tobacco leaf modulation method for power failure emergency treatment preset in an air source heat pump tobacco curing house is characterized by comprising the following steps of:
the tobacco leaf modulation method comprises temperature and humidity regulation during normal power supply and control of a ventilation and dehumidification device during power failure;
the temperature and humidity control during normal power supply comprises the following steps: when the power supply is normal, a method of heating and dehumidifying to promote smooth hot air among tobacco leaves is adopted in the tobacco leaf modulating process of the air source heat pump tobacco curing house;
the control of ventilation and dehumidification device during power failure includes: the temperature is gradually reduced during power failure, so that no water is accumulated on the surface of the tobacco leaves.
2. The tobacco leaf curing method according to claim 1, wherein the temperature and humidity control when the power supply is normal further comprises:
the tobacco leaves are softened and collapsed by adopting a heating or temperature-stabilizing dehumidification method, the shape is changed, the gaps among the tobacco leaves are enlarged, and hot air is smooth.
3. The tobacco leaf curing method of claim 1, wherein the controlling of the ventilation and moisture removal means during a power outage further comprises:
the air inlet door is slightly opened when power is cut off, and the moisture exhausting window is fully opened.
4. The tobacco leaf curing method of claim 2, wherein said heating means comprises:
(1) starting tobacco leaf modulation, heating the tobacco filling chamber from natural temperature under the condition of no moisture discharge, heating the dry pellets to 36-37 ℃ at the heating speed of 2 ℃/h, and then stopping heating to naturally reduce the temperature to 26 ℃;
(2) then the temperature of the dry ball is increased to 38 ℃ at the heating rate of 3 ℃/h, and then the heating is stopped, and the temperature is naturally reduced to 28 ℃;
(3) then the temperature of the dry ball is increased to 39 ℃ at the heating rate of 3 ℃/h, and then the heating is stopped, so that the temperature is naturally reduced;
(4) and (3) repeating the step (3) for 2-3 times, so that the tobacco leaves wither, the gaps of the tobacco leaves are enlarged, the hot air is smooth, and normal technological parameters are changed into for modulation.
5. The tobacco leaf curing method of claim 2, wherein said temperature stabilizing dehumidification means comprises:
starting tobacco leaf modulation, starting temperature rise of a tobacco loading chamber from natural temperature, raising the dry bulb temperature to 37-38 ℃ at a temperature rise speed of 2-3 ℃/h, lowering the wet bulb temperature to 34-35 ℃, continuing for 8-12 h, withering the tobacco leaves, enlarging gaps among the tobacco leaves, smoothing hot air, and switching to normal process parameter modulation.
6. The tobacco leaf curing method of claim 3, wherein said controlling of the ventilation and moisture removal means during a power outage comprises:
when power is off, the air inlet door is slightly opened in time, and the moisture exhausting window is fully opened.
7. The tobacco leaf curing method of claim 6, wherein:
the slightly opened air inlet door means that the opening of the air inlet door reaches 5% -8% of the total area of inlet air.
8. The tobacco leaf curing method of claim 6 or 7, characterized in that:
if the moisture exhaust port of the curing barn is a moisture exhaust door, the curing barn is fully opened.
9. The tobacco leaf curing method of claim 6 or 7, characterized in that:
if the moisture exhaust port of the curing barn is a shutter, the window sheets are all supported up and down.
10. The tobacco leaf curing method according to any one of claims 1 to 7, characterized in that:
the tobacco curing barn comprises an air-flow ascending type or air-flow descending type tobacco curing barn.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011274347.7A CN112315013B (en) | 2020-11-15 | 2020-11-15 | Tobacco leaf modulation method for preset power failure emergency treatment of air source heat pump tobacco curing house |
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| CN202011274347.7A CN112315013B (en) | 2020-11-15 | 2020-11-15 | Tobacco leaf modulation method for preset power failure emergency treatment of air source heat pump tobacco curing house |
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| CN112315013B CN112315013B (en) | 2022-10-21 |
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Cited By (1)
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| CN115777976A (en) * | 2022-11-29 | 2023-03-14 | 云南省烟草农业科学研究院 | Modulation method for promoting quick drying of flue-cured tobacco leaves |
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