CN112754058B - Energy-saving recovery system for tobacco baking - Google Patents
Energy-saving recovery system for tobacco baking Download PDFInfo
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- CN112754058B CN112754058B CN202110015840.5A CN202110015840A CN112754058B CN 112754058 B CN112754058 B CN 112754058B CN 202110015840 A CN202110015840 A CN 202110015840A CN 112754058 B CN112754058 B CN 112754058B
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The invention discloses an energy-saving recovery system for tobacco baking, which comprises a primary baking box body and an integral baking box body, and also comprises an exhaust gas drying treatment box and an exhaust gas energy-saving recovery treatment box; the inlet end of the exhaust gas drying treatment box is communicated with the top of the primary drying box body, and the outlet end of the exhaust gas drying treatment box is communicated with the bottom of the integral drying box body and is used for drying and heating the drying gas exhausted by the primary drying box body; the inlet end of the exhaust gas energy-saving recovery processing box is communicated with the top of the whole baking box body, and the outlet end of the exhaust gas energy-saving recovery processing box is communicated with the bottom of the exhaust gas drying processing box and used for recovering and processing the baking gas exhausted by the whole baking box body. The invention can switch and utilize the flue gas generated by the primary drying box body and the integral baking box body according to different stages of tobacco leaf baking, can realize circulating heat supply, has high heat energy utilization rate, is energy-saving and environment-friendly, and has simple structure and convenient installation and maintenance.
Description
Technical Field
The invention relates to the technical field related to tobacco baking, in particular to an energy-saving recovery system for tobacco baking.
Background
It is known that tobacco belongs to the family of tubular floraceae, an annual or limited perennial herb of the family solanaceae, is slightly lignified at the base, grows in inflorescence tops, is conical, has multiple flowers, has a capsule egg shape or rectangular circle shape, has the length approximately equal to the length of a persistent calyx, blooms and fruits in summer and autumn, is mainly distributed in south america, south asia and China, and needs to be dried by drying equipment in the production process of the tobacco, so that the tobacco is convenient to use later. Tobacco curing devices of different construction are also currently available. Tobacco material quality is the basis and most important limiting factor for cigarette quality. At present, the most prominent key problem in Chinese tobacco raw material production is that the quality of aroma and the proportion of first-class smoke do not meet the requirements of cigarette industry, wherein the baking processing equipment and the process conditions play an important role. Research and practice in recent years prove that the quality of tobacco leaves and the loss of tobacco growers are 25 to 30 percent because the baking equipment is old and laggard and the processing technology can not be ensured. The tobacco leaf baking is a process with large heat consumption, and the common baking room directly supplies heat by using coal, so that the heat utilization rate is low. The coal consumption is high, the coal consumption of 1kg of tobacco leaves which are baked normally is 1.5-2.5 kg of standard coal, and the environmental pollution is serious.
Through search and discovery, the invention of application No. CN201710841243.1 discloses a multifunctional closed tobacco baking heat pump system, which comprises a baking heat pump and a baking room, wherein an air return duct and an air outlet duct are arranged between the baking heat pump and the baking room.
The invention of application number CN202010667232.8 discloses a heat pump tobacco baking system and a control method thereof, comprising an integrated shell and a heat pump system; the heat pump system comprises a condenser, an inner evaporator, an outer evaporator, a controller and a wet-dry bulb temperature sensor, wherein the condenser, the inner evaporator and the outer evaporator are all provided with fans; the integrated shell comprises a first cavity and a second cavity, a dehumidification air door used for communicating the first cavity with the second cavity is arranged between the first cavity and the second cavity, a third cavity communicated with the first cavity is arranged in the first cavity, the inner evaporator is arranged in the third cavity, the first cavity comprises an air inlet and an air outlet, the condenser is arranged in the first cavity, the first cavity is also provided with a cold air door, and the outer evaporator is arranged in the second cavity; the controller determines and executes a control mode according to an output signal of the wet and dry bulb temperature sensor.
The invention with the application number of CN201611157763.2 relates to a heating system of a tobacco baking room, which comprises a hot water tank for storing and outputting hot water, a heat exchange system and a fifth pump for inputting the hot water in the hot water tank into the tobacco baking room, wherein the heat exchange system comprises a second capillary tube, a second evaporator, a compressor and a condenser, and the second capillary tube, the second evaporator, the condenser and the compressor are connected in series through pipelines to form a closed circulation system; the heat exchange system further includes a second heat exchange tank for accommodating the condenser and a first heat exchange tank for accommodating the second evaporator. And a solar power generation device is also arranged on the tobacco baking room. According to the heat supply system provided by the invention, the hot water tank, the second heat exchange tank and the tobacco baking room are sequentially connected in a sealing manner through the pipelines to form a circulating system, and water is used as a heat exchange medium to provide a heat source for the tobacco baking room.
However, tobacco is further processed, can be inevitable use the tobacco baking equipment to dry it, and traditional drying equipment needs the staff to push it and dries it in the stoving room, and it pollutes greatly, and is inefficient, wastes time and energy moreover. In recent years, with the development of modern tobacco agriculture, environment-friendly heating equipment and a mode are gradually favored, and because heat energy in the air can be effectively utilized to replace coal for baking tobacco leaves, the quality of the baked tobacco leaves is obviously improved, and the baking cost is obviously reduced.
Disclosure of Invention
Accordingly, to address the above-described deficiencies, the present invention herein provides an energy efficient recovery system for tobacco baking; the invention can switch and utilize the flue gas (hot gas) generated by the primary drying box body and the integral baking box body according to different stages of tobacco leaf baking, can realize circulating heat supply, has high heat energy utilization rate, is energy-saving and environment-friendly, and has simple structure and convenient installation and maintenance.
The invention is realized by constructing an energy-saving recovery system for tobacco baking;
the energy-saving recovery system comprises a primary drying box body, a secondary drying box body and a control system, wherein the primary drying box body is used for a primary drying process of tobacco yellowing;
the energy-saving recovery system also comprises an integral baking box body which is used for the integral color fixing baking process after the tobacco turns yellow;
the energy-saving recovery system also comprises an exhaust gas drying treatment box, wherein the inlet end of the exhaust gas drying treatment box is communicated with the top of the primary drying box body, and the outlet end of the exhaust gas drying treatment box is communicated with the bottom of the integral baking box body and is used for drying and heating the drying gas exhausted from the primary drying box body;
the energy-saving recovery system also comprises an exhaust gas energy-saving recovery processing box, wherein the inlet end of the exhaust gas energy-saving recovery processing box is communicated with the top of the integral baking box body, and the outlet end of the exhaust gas energy-saving recovery processing box is communicated with the bottom of the exhaust gas drying processing box and is used for recovering and processing the baking gas exhausted by the integral baking box body.
As an improvement of the technical scheme, the energy-saving recovery system for tobacco baking is provided; the inlet end of the exhaust gas drying treatment box is communicated with the top of the primary drying box body through a first heat preservation pipe, and the outlet end of the exhaust gas drying treatment box is communicated with the bottom of the integral baking box body through a second heat preservation pipe;
the inlet end of the exhaust gas energy-saving recovery processing box is communicated with the top of the integral baking box body through a third heat-insulating pipe, and the outlet end of the exhaust gas energy-saving recovery processing box is communicated with the bottom of the exhaust gas drying processing box through a fourth heat-insulating pipe;
wherein, the two ends of the first heat preservation pipe, the second heat preservation pipe, the third heat preservation pipe and the fourth heat preservation pipe are respectively flared connecting ends.
As the improvement of the technical scheme, the energy-saving recovery system for tobacco baking is provided; the primary drying box body and the integral baking box body form an integral structure, and the middle part of the integral baking box body is an equipment storage area; and the second heat-preservation pipe and the third heat-preservation pipe penetrate through the equipment storage area.
As the improvement of the technical scheme, the energy-saving recovery system for tobacco baking is provided; the exhaust gas drying treatment box and the exhaust gas energy-saving recovery treatment box can be stored in the equipment storage area.
As an improvement of the technical scheme, the energy-saving recovery system for tobacco baking is provided; and auxiliary heating devices are respectively arranged in the primary drying box body and the integral baking box body.
As the improvement of the technical scheme, the energy-saving recovery system for tobacco baking is provided; the exhaust gas drying treatment box is provided with an exhaust gas drying treatment heat-insulation shell, and a draught fan, a gas drying box and a gas heating box are arranged in the exhaust gas drying treatment box; one end of the induced draft fan is communicated with the first heat preservation pipe, the outlet end of the induced draft fan is communicated with the gas drying box, the gas drying box is communicated with the gas heating box, and the outlet end of the gas heating box is an output end; the gas drying box is a corrugated shell, an inclined guide plate is formed inside the gas drying box, and the caliber of the outlet end of the gas drying box is smaller than that of the inlet end of the gas drying box.
As the improvement of the technical scheme, the energy-saving recovery system for tobacco baking is provided; the gas drying box is provided with a drying agent adding port extending out of the exhaust gas drying treatment heat-insulating shell.
As an improvement of the technical scheme, the energy-saving recovery system for tobacco baking is provided; the gas heating box is provided with a tobacco baking agent adding port extending out of the exhaust gas drying treatment heat-insulating shell; the tobacco leaf baking agent comprises the following substances in percentage by weight: 3-5% of licorice extract, 2% of eucommia bark extract, 3-8% of dried orange peel extract, 5-10% of mint extract, 5-10% of honey, 0.5-1.0% of propylene glycol, 0.5-1.0% of sorbitol, 0.3-0.5% of fenugreek extract, 0.3-0.5% of yerba mate green tea extract and 0.2-0.5% of furanone; after the fresh tobacco leaves are picked, the tobacco leaf curing agent is diluted by water and then is uniformly sprayed into a curing agent adding port, and the dilution by water means that the water solution is fully and uniformly stirred and prepared into 500-800 times of water solution.
As an improvement of the technical scheme, the energy-saving recovery system for tobacco baking is provided; the exhaust gas energy-saving recovery processing box is provided with an energy-saving recovery processing heat-insulating shell, and an exhaust fan, a condenser, a heat exchanger, an evaporator, a compressor and an electric heater are arranged in the exhaust gas energy-saving recovery processing box; the exhaust fan is connected with the third heat-insulating pipe, and the exhaust fan, the condenser, the heat exchanger, the evaporator, the compressor and the electric heater are communicated in sequence; the output end of the electric heater is communicated with the fourth heat preservation pipe; the heat exchanger is also in communication with the evaporator.
As an improvement of the technical scheme, the energy-saving recovery system for tobacco baking is provided; the operation process is as follows;
firstly, placing tobacco to be dried in a primary drying box body, and starting an auxiliary heating device arranged in the primary drying box body and an auxiliary heating device arranged in the whole drying box body to heat respectively; meanwhile, the exhaust gas energy-saving recovery processing box can also introduce hot gas into the primary drying box body, so that the tobacco in the primary drying box body is quickly yellowed; the initial temperature of the primary drying box body is 32-35 ℃, the temperature is raised to 35-36 ℃ after 2-5 hours, then the temperature is raised to 38-39 ℃ after 3-5 hours, the temperature is stabilized until the tobacco leaves are totally yellow, the tobacco is transferred to the whole baking box body for color fixing baking after the tobacco leaves are totally yellow, and then fresh tobacco is added into the primary drying box body for baking again; in the process of fixing color and baking, the exhaust gas drying treatment box can introduce dry hot gas into the whole baking box body, and the hot gas is mixed with a baking agent for baking and flavoring the tobacco in the whole baking box body; the initial temperature in the integral baking box body is 45-48 ℃, the tobacco leaves are baked until the tobacco leaves change to yellow pieces, yellow ribs and small drums, then the temperature is raised to 50-52 ℃, the tobacco leaves are baked until the tips of the tobacco leaves are hooked and the edges of the large drums are curled, the temperature is raised to 54-55 ℃, the temperature is stabilized for more than 12 hours and then raised to 60-65 ℃, and the tobacco ribs are baked until the tobacco ribs are completely dry; in the fixation baking process, the exhaust gas energy-saving recovery processing box can process the flue gas exhausted by the whole baking box body and then exhaust the flue gas into the primary drying box body for drying.
The invention has the following advantages: the invention provides an energy-saving recovery system for tobacco baking by improving, compared with the prior art, the following improvements and advantages are provided;
the tobacco yellow-turning drying device comprises a primary drying box body and an integral drying box body, wherein the primary drying box body is used for a primary drying process of tobacco yellowing; the integral baking box body is used for the integral color fixing baking process after the tobacco turns yellow. When in implementation, the energy-saving recovery system also comprises an exhaust gas drying treatment box and an exhaust gas energy-saving recovery treatment box; the inlet end of the exhaust gas drying treatment box is communicated with the top of the primary drying box body, and the outlet end of the exhaust gas drying treatment box is communicated with the bottom of the integral drying box body and is used for drying and heating the drying gas exhausted by the primary drying box body; the inlet end of the exhaust gas energy-saving recovery processing box is communicated with the top of the whole baking box body, and the outlet end of the exhaust gas energy-saving recovery processing box is communicated with the bottom of the exhaust gas drying processing box and used for recovering and processing the baking gas exhausted by the whole baking box body. The invention can switch and utilize the flue gas (hot gas) generated by the primary drying box body and the integral baking box body according to different stages of tobacco leaf baking, can realize circular heat supply, has high heat energy utilization rate, energy saving and environmental protection, and has simple structure and convenient installation and maintenance.
2, when the energy-saving recovery system for tobacco baking is implemented; the inlet end of the exhaust gas drying treatment box is communicated with the top of the primary drying box body through a first heat preservation pipe, and the outlet end of the exhaust gas drying treatment box is communicated with the bottom of the integral baking box body through a second heat preservation pipe;
the inlet end of the exhaust gas energy-saving recovery processing box is communicated with the top of the integral baking box body through a third heat preservation pipe, and the outlet end of the exhaust gas energy-saving recovery processing box is communicated with the bottom of the exhaust gas drying processing box through a fourth heat preservation pipe;
the two ends of the first heat-insulating pipe, the second heat-insulating pipe, the third heat-insulating pipe and the fourth heat-insulating pipe are respectively flared connecting ends; so that the flue gas transmission and transmission are smoother.
3, when the energy-saving recovery system for tobacco baking is implemented; the primary drying box body and the integral baking box body form an integral structure, and the middle part of the integral baking box body is an equipment storage area; the second heat-preservation pipe and the third heat-preservation pipe penetrate through the equipment storage area; when the device is implemented, the exhaust gas drying treatment box and the exhaust gas energy-saving recovery treatment box can be stored in the device storage area; the overall arrangement of the pipeline is more reasonable.
4, when the energy-saving recovery system for tobacco baking is implemented; and auxiliary heating devices are respectively arranged in the primary drying box body and the integral baking box body. So that the heating and temperature rise can be realized by the auxiliary heating device when necessary, thereby achieving the purpose of accurately adjusting the temperature of the baking room by adopting various heat exchange modes.
5, when the energy-saving recovery system for tobacco baking is implemented; as shown in fig. 2, the exhaust gas drying treatment box is provided with an exhaust gas drying treatment heat preservation shell, and a draught fan, a gas drying box and a gas heating box are arranged in the exhaust gas drying treatment box; one end of the induced draft fan is communicated with the first heat preservation pipe, the outlet end of the induced draft fan is communicated with the gas drying box, the gas drying box is communicated with the gas heating box, and the outlet end of the gas heating box is an output end; the gas drying box is a corrugated shell, an inclined guide plate is formed in the gas drying box, and the caliber of the outlet end of the gas drying box is smaller than that of the inlet end of the gas drying box.
The gas drying box is provided with a drying agent adding port extending out of the exhaust gas drying treatment heat-insulating shell; and a tobacco baking agent adding port extending out of the exhaust gas drying treatment heat-insulating shell is arranged on the gas heating box.
Therefore, the exhaust gas drying treatment cabinet shown in fig. 2 has the purpose of drying and heating the exhaust gas of the preliminary drying cabinet; meanwhile, a tobacco baking agent can be added to achieve the purpose of enhancing flavor of tobacco.
6, the tobacco leaf baking agent consists of the following substances in percentage by weight: 3-5% of licorice extract, 2% of eucommia bark extract, 3-8% of dried orange peel extract, 5-10% of mint extract, 5-10% of honey, 0.5-1.0% of propylene glycol, 0.5-1.0% of sorbitol, 0.3-0.5% of fenugreek extract, 0.3-0.5% of yerba mate green tea extract and 0.2-0.5% of furanone; after the fresh tobacco leaves are picked, the tobacco leaf baking agent is diluted by water and then is uniformly sprayed into a baking agent adding port, and the dilution by water means that the tobacco leaf baking agent is fully and uniformly stirred to prepare a water solution with the volume of 500-. The tobacco leaf baking agent is added in the baking process, so that the aroma characteristics are blended into tobacco, the tobacco leaf baking agent has elegant aroma, and a unique tobacco style is formed.
7, when the energy-saving recovery system for tobacco baking is implemented; as shown in fig. 3, the exhaust gas energy-saving recovery processing box is provided with an energy-saving recovery processing heat-preserving shell, and an exhaust fan, a condenser, a heat exchanger, an evaporator, a compressor and an electric heater are arranged in the energy-saving recovery processing box; the exhaust fan is connected with the third heat-insulating pipe, and the exhaust fan, the condenser, the heat exchanger, the evaporator, the compressor and the electric heater are communicated in sequence; the output end of the electric heater is communicated with the fourth heat preservation pipe; the heat exchanger is also in communication with the evaporator. In the fixation baking process, the exhaust gas energy-saving recovery processing box can process the flue gas exhausted by the whole baking box body and then exhaust the flue gas into the primary drying box body for drying.
8, the energy-saving recovery system for tobacco baking provided by the invention has the following operation process; when the method is implemented, tobacco to be dried is placed in the primary drying box body, and the auxiliary heating devices arranged in the primary drying box body and the whole drying box body are started to heat respectively; meanwhile, the discharged gas energy-saving recovery processing box can also introduce hot gas into the primary drying box body, so that tobacco in the primary drying box body is quickly yellowed; the initial temperature of the primary drying box body is 32-35 ℃ (the initial temperature is 32-35 ℃ in the operation), the temperature is raised to 35-36 ℃ after 2-5 hours, then the temperature is raised to 38-39 ℃ after 3-5 hours, the temperature is stabilized until the tobacco leaves are totally yellow, the tobacco is transferred to the whole baking box body for color fixing baking after the tobacco leaves are totally yellow, and then fresh tobacco is added into the primary drying box body for baking again; in the process of fixing color and baking, the exhaust gas drying treatment box can introduce dry hot gas into the whole baking box body, and the hot gas is mixed with a baking agent for baking and flavoring the tobacco in the whole baking box body; the initial temperature in the integral baking box body is 45-48 ℃, the tobacco leaves are baked until the tobacco leaves change to yellow pieces, yellow ribs and small winding drums, then the temperature is raised to 50-52 ℃, the tobacco leaves are baked until the tip of the tobacco leaves are hooked and the edge of the large winding drum is curled, the temperature is raised to 54-55 ℃, the temperature is stabilized for more than 12 hours, then the temperature is raised to 60-65 ℃, and the tobacco ribs are baked until the tobacco ribs are completely dry; in the fixation baking process, the exhaust gas energy-saving recovery processing box can process the exhaust flue gas of the whole baking box body and then exhaust the flue gas into the primary baking box body for drying.
Drawings
FIG. 1 is a schematic view of the overall arrangement of the energy saving recovery system of the present invention;
FIG. 2 is a schematic diagram of an exhaust gas drying treatment cabinet module according to the present invention;
FIG. 3 is a schematic diagram of an energy-saving recycling treatment tank module for exhaust gas according to the invention.
Wherein: the device comprises a primary drying box body 10, a first heat preservation pipe 11, a second heat preservation pipe 12, a third heat preservation pipe 13, a fourth heat preservation pipe 14, a flared connecting end 15, an equipment storage area 16, an integral baking box body 20, an exhaust gas drying treatment box 30, an exhaust gas drying treatment heat preservation shell 31, an induced draft fan 32, a gas drying box 33, a gas heating box 34, a guide plate 35, a drying agent adding port 36, a tobacco baking agent adding port 37, an exhaust gas energy-saving recovery treatment box 40, an energy-saving recovery treatment heat preservation shell 41, an exhaust fan 42, a condenser 43, a heat exchanger 44, an evaporator 45, a compressor 46 and an electric heater 47.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 3, and the technical solutions in the embodiments of the present invention will be clearly and completely described below. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The present invention provides an energy saving recovery system for tobacco roasting by improving, as shown in fig. 1 to 3, which can be implemented as follows; the energy-saving recovery system comprises a primary drying box body 10 and an integral baking box body 20, wherein the primary drying box body 10 is used for a primary drying process of tobacco yellowing; the integral baking box body 20 is used for the integral color fixing baking process after the tobacco turns yellow. In practice, the energy-saving recovery system further comprises an exhaust gas drying treatment tank 30 and an exhaust gas energy-saving recovery treatment tank 40; the inlet end of the exhaust gas drying treatment box 30 is communicated with the top of the primary drying box body 10, and the outlet end thereof is communicated with the bottom of the integral drying box body 20, and is used for drying and heating the drying gas exhausted from the primary drying box body 10; the inlet end of the exhaust gas energy-saving recovery processing box 40 is communicated with the top of the whole baking box body 20, and the outlet end of the exhaust gas energy-saving recovery processing box is communicated with the bottom of the exhaust gas drying processing box 30, and is used for recovering the baking gas exhausted by the whole baking box body 20. The invention can switch and utilize the flue gas (hot gas) generated by the primary drying box body 10 and the integral baking box body 20 according to different stages of tobacco leaf baking, can realize circulating heat supply, has high heat energy utilization rate, energy saving and environmental protection, and has simple structure and convenient installation and maintenance.
When the energy-saving recovery system for tobacco baking is implemented; the inlet end of the exhaust gas drying treatment box 30 is communicated with the top of the primary drying box body 10 through a first heat preservation pipe 11, and the outlet end of the exhaust gas drying treatment box 30 is communicated with the bottom of the integral drying box body 20 through a second heat preservation pipe 12;
the inlet end of the exhaust gas energy-saving recovery processing box 40 is communicated with the top of the integral baking box body 20 through a third heat-insulating pipe 13, and the outlet end of the exhaust gas energy-saving recovery processing box 40 is communicated with the bottom of the exhaust gas drying processing box 30 through a fourth heat-insulating pipe 14;
wherein, two ends of the first heat preservation pipe 11, the second heat preservation pipe 12, the third heat preservation pipe 13 and the fourth heat preservation pipe 14 are respectively flared connection ends 15; so that the flue gas transmission and transmission are smoother.
When the energy-saving recovery system for tobacco baking is implemented; the primary drying box body 10 and the integral baking box body 20 form an integral structure, and the middle part of the integral baking box body is an equipment storage area 16; the second heat preservation pipe 12 and the third heat preservation pipe 13 penetrate through the equipment storage area 16; in practice, the exhaust gas drying treatment tank 30 and the exhaust gas energy-saving recovery treatment tank 40 can be stored in the equipment storage area 16; the whole arrangement of the pipeline is more reasonable.
When the energy-saving recovery system for tobacco baking is implemented; auxiliary heating devices are respectively arranged in the primary drying box body 10 and the integral baking box body 20. So that the heating and temperature rise can be realized by the auxiliary heating device when necessary, thereby achieving the purpose of accurately adjusting the temperature of the baking room by adopting various heat exchange modes.
When the energy-saving recovery system for tobacco baking is implemented; as shown in fig. 2, the exhaust gas drying treatment box 30 has an exhaust gas drying treatment heat-insulating housing 31, and an induced draft fan 32, a gas drying box 33, and a gas heating box 34 are provided therein; one end of the induced draft fan 32 is communicated with the first heat preservation pipe 11, the outlet end of the induced draft fan 32 is communicated with the gas drying box 33, the gas drying box 33 is communicated with the gas heating box 34, and the outlet end of the gas heating box 34 is an output end; the gas drying box 33 is a corrugated shell, an inclined guide plate 35 is formed in the gas drying box, and the caliber of the outlet end of the gas drying box 33 is smaller than that of the inlet end thereof.
The gas drying box 33 is provided with a drying agent adding port 36 extending out of the exhaust gas drying treatment heat preservation shell 31.
The gas heating box 34 is provided with a tobacco baking agent adding port 37 extending out of the exhaust gas drying heat preservation shell 31.
Therefore, the exhaust gas drying treatment cabinet 30 shown in fig. 2 has the purpose of drying and heating the exhaust gas of the preliminary drying cabinet 10; meanwhile, a tobacco baking agent can be added to achieve the purpose of enhancing flavor of tobacco.
The tobacco leaf baking agent comprises the following substances in percentage by weight: 3-5% of licorice extract, 2% of eucommia bark extract, 3-8% of dried orange peel extract, 5-10% of mint extract, 5-10% of honey, 0.5-1.0% of propylene glycol, 0.5-1.0% of sorbitol, 0.3-0.5% of fenugreek extract, 0.3-0.5% of yerba mate green tea extract and 0.2-0.5% of furanone; after the fresh tobacco leaves are picked, the tobacco leaf curing agent is diluted by water and then is uniformly sprayed into the curing agent adding port 37, wherein the dilution by water means that the water is fully and uniformly stirred to prepare water solution with the volume of 500-800 times. The tobacco leaf curing agent is added in the curing process, so that the aroma characteristics are blended into tobacco, the tobacco leaf curing agent has elegant aroma, and a unique tobacco style is formed.
When the energy-saving recovery system for tobacco baking is implemented; as shown in fig. 3, the exhaust gas energy-saving recovery processing tank 40 has an energy-saving recovery processing heat-insulating casing 41, and has therein an exhaust fan 42, a condenser 43, a heat exchanger 44, an evaporator 45, a compressor 46, and an electric heater 47; the exhaust fan 42 is connected with the third heat preservation pipe 13, and the exhaust fan 42, the condenser 43, the heat exchanger 44, the evaporator 45, the compressor 46 and the electric heater 47 are communicated in sequence; the output end of the electric heater 47 is communicated with the fourth heat preservation pipe 14; the heat exchanger 44 also communicates with an evaporator 45. In the process of color fixing and baking, the exhaust gas energy-saving recovery processing box 40 can process the flue gas exhausted by the whole baking box body 20 and then exhaust the flue gas into the primary baking box body 10 for drying.
The energy-saving recovery system for tobacco baking provided by the invention has the following operation process;
when the method is implemented, tobacco to be dried is placed in the primary drying box body 10, and auxiliary heating devices arranged in the primary drying box body 10 and the integral baking box body 20 are started to heat respectively; meanwhile, the discharged gas energy-saving recovery processing box 40 can also introduce hot gas into the primary drying box body 10, so that the tobacco in the primary drying box body 10 is quickly turned yellow; the initial temperature of the primary drying box body 10 is 32-35 ℃ (the initial temperature is 32-35 ℃ in the operation), the temperature is raised to 35-36 ℃ after 2-5 hours, then the temperature is raised to 38-39 ℃ after 3-5 hours, the temperature is stabilized until the tobacco leaves are totally yellow, the tobacco is transferred to the integral drying box body 20 for color fixing and drying after the tobacco leaves are totally yellow, and then fresh tobacco is added into the primary drying box body 10 for secondary drying; in the process of fixing color and baking, the exhaust gas drying treatment box 30 can introduce dry hot gas into the whole baking box body 20, and the hot gas is mixed with a baking agent for baking the tobacco in the whole baking box body 20 and simultaneously increasing the aroma of the tobacco; the initial temperature in the integral baking box body 20 is 45-48 ℃, the tobacco leaves are baked until the tobacco leaves change to yellow pieces, yellow ribs and small drums, then the temperature is raised to 50-52 ℃, the tobacco leaves are baked until the tips of the tobacco leaves are hooked and the edges of the large drums are curled, the temperature is raised to 54-55 ℃, the temperature is raised to 60-65 ℃ after 12 hours of temperature stabilization, and the tobacco ribs are baked until the tobacco ribs are completely dry; in the process of color fixing and baking, the exhaust gas energy-saving recovery processing box 40 can process the flue gas exhausted by the whole baking box body 20 and then exhaust the flue gas into the primary baking box body 10 for drying.
Compared with the prior art, the invention has the following improvements and advantages;
it 1, the present invention provides an energy saving recycling system for tobacco roasting by improving, as shown in fig. 1-3, which can be implemented as follows; the energy-saving recovery system comprises a primary drying box body 10 and an integral drying box body 20, wherein the primary drying box body 10 is used for a primary drying process of tobacco yellowing; the integral baking box body 20 is used for the integral color fixing baking process after the tobacco turns yellow. In practice, the energy-saving recovery system further comprises an exhaust gas drying treatment tank 30 and an exhaust gas energy-saving recovery treatment tank 40; the inlet end of the exhaust gas drying treatment box 30 is communicated with the top of the primary drying box body 10, and the outlet end thereof is communicated with the bottom of the integral drying box body 20, and is used for drying and heating the drying gas exhausted from the primary drying box body 10; the inlet end of the exhaust gas energy-saving recovery processing box 40 is communicated with the top of the integral baking box body 20, and the outlet end of the exhaust gas energy-saving recovery processing box is communicated with the bottom of the exhaust gas drying processing box 30, and is used for recovering the baking gas exhausted from the integral baking box body 20. The invention can switch and utilize the flue gas (hot gas) generated by the primary drying box body 10 and the integral baking box body 20 according to different stages of tobacco leaf baking, can realize circulating heat supply, has high heat energy utilization rate, energy saving and environmental protection, and has simple structure and convenient installation and maintenance.
2, when the energy-saving recovery system for tobacco baking is implemented; the inlet end of the exhaust gas drying treatment box 30 is communicated with the top of the primary drying box body 10 through a first heat preservation pipe 11, and the outlet end of the exhaust gas drying treatment box 30 is communicated with the bottom of the integral baking box body 20 through a second heat preservation pipe 12;
the inlet end of the exhaust gas energy-saving recovery processing box 40 is communicated with the top of the integral baking box body 20 through a third heat preservation pipe 13, and the outlet end of the exhaust gas energy-saving recovery processing box 40 is communicated with the bottom of the exhaust gas drying processing box 30 through a fourth heat preservation pipe 14;
wherein, two ends of the first heat preservation pipe 11, the second heat preservation pipe 12, the third heat preservation pipe 13 and the fourth heat preservation pipe 14 are respectively provided with flared connecting ends 15; so that the flue gas transmission and transmission are smoother.
3, when the energy-saving recovery system for tobacco baking is implemented; the primary drying box body 10 and the integral baking box body 20 form an integral structure, and the middle part of the integral baking box body is an equipment storage area 16; the second heat preservation pipe 12 and the third heat preservation pipe 13 penetrate through the equipment storage area 16; in practice, the exhaust gas drying treatment tank 30 and the exhaust gas energy-saving recovery treatment tank 40 can be stored in the equipment storage area 16; the overall arrangement of the pipeline is more reasonable.
4, when the energy-saving recovery system for tobacco baking is implemented; auxiliary heating devices are respectively arranged in the primary drying box body 10 and the integral baking box body 20. So that the temperature can be heated by the auxiliary heating device when necessary, and the aim of accurately adjusting the temperature of the baking room is fulfilled by adopting various heat exchange modes.
5, when the energy-saving recovery system for tobacco baking is implemented; as shown in fig. 2, the exhaust gas drying treatment box 30 has an exhaust gas drying treatment heat-insulating housing 31, and an induced draft fan 32, a gas drying box 33 and a gas heating box 34 are arranged in the exhaust gas drying treatment heat-insulating housing; one end of the induced draft fan 32 is communicated with the first heat preservation pipe 11, the outlet end of the induced draft fan 32 is communicated with the gas drying box 33, the gas drying box 33 is communicated with the gas heating box 34, and the outlet end of the gas heating box 34 is an output end; the gas drying box 33 is a corrugated shell, an inclined guide plate 35 is formed inside the gas drying box, and the caliber of the outlet end of the gas drying box 33 is smaller than that of the inlet end thereof.
The gas drying box 33 is provided with a drying agent adding port 36 extending out of the exhaust gas drying treatment heat preservation shell 31.
The gas heating box 34 is provided with a tobacco baking agent adding port 37 extending out of the exhaust gas drying treatment heat preservation shell 31.
Therefore, the exhaust gas drying treatment cabinet 30 shown in fig. 2 has the purpose of drying and heating the exhaust gas of the preliminary drying cabinet 10; meanwhile, a tobacco baking agent can be added to achieve the purpose of enhancing the flavor of the tobacco.
6, the tobacco leaf baking agent consists of the following substances in percentage by weight: 3-5% of licorice extract, 2% of eucommia bark extract, 3-8% of dried orange peel extract, 5-10% of mint extract, 5-10% of honey, 0.5-1.0% of propylene glycol, 0.5-1.0% of sorbitol, 0.3-0.5% of fenugreek extract, 0.3-0.5% of yerba mate green tea extract and 0.2-0.5% of furanone; after the fresh tobacco leaves are picked, the tobacco leaf curing agent is diluted by water and then is uniformly sprayed into the curing agent adding port 37, wherein the dilution by water means that the water is fully and uniformly stirred to prepare water solution with the volume of 500-800 times. The tobacco leaf baking agent is added in the baking process, so that the aroma characteristics are blended into tobacco, the tobacco leaf baking agent has elegant aroma, and a unique tobacco style is formed.
7, when the energy-saving recovery system for tobacco baking is implemented; as shown in fig. 3, the exhaust gas energy-saving recovery processing box 40 has an energy-saving recovery processing heat-insulating housing 41, and has therein an exhaust fan 42, a condenser 43, a heat exchanger 44, an evaporator 45, a compressor 46, and an electric heater 47; the exhaust fan 42 is connected with the third heat preservation pipe 13, and the exhaust fan 42, the condenser 43, the heat exchanger 44, the evaporator 45, the compressor 46 and the electric heater 47 are communicated in sequence; the output end of the electric heater 47 is communicated with the fourth heat-preservation pipe 14; the heat exchanger 44 also communicates with an evaporator 45. In the process of color fixing and baking, the exhaust gas energy-saving recovery processing box 40 can process the flue gas exhausted by the whole baking box body 20 and then exhaust the flue gas into the primary baking box body 10 for drying.
8, the energy-saving recovery system for tobacco baking provided by the invention has the following operation process;
when the method is implemented, the tobacco to be dried is placed in the primary drying box body 10, and the auxiliary heating devices arranged in the primary drying box body 10 and the integral baking box body 20 are started to respectively heat; meanwhile, the discharged gas energy-saving recovery processing box 40 can also introduce hot gas into the primary drying box body 10, so that the tobacco in the primary drying box body 10 is quickly turned yellow; in the operation, the initial temperature is 32-35 ℃, the temperature is raised to 35-36 ℃ after 2-5 hours, then the temperature is raised to 38-39 ℃ after 3-5 hours, the temperature is stabilized until the leaves of the tobacco leaves turn yellow completely, the tobacco leaves are transferred to the integral baking box body 20 for color fixing baking after the leaves of the tobacco leaves turn yellow completely, and then fresh tobacco is added into the primary baking box body 10 for baking again; in the fixation baking process, the exhaust gas drying treatment box 30 can introduce dry hot gas into the whole baking box body 20, and the hot gas is mixed with a baking agent for enhancing aroma while baking the tobacco in the whole baking box body 20; the initial temperature in the integral baking box body 20 is 45-48 ℃, the tobacco leaves are baked until the tobacco leaves change to yellow pieces, yellow ribs and small drums, then the temperature is raised to 50-52 ℃, the tobacco leaves are baked until the tips of the tobacco leaves are hooked and the edges of the large drums are curled, the temperature is raised to 54-55 ℃, the temperature is raised to 60-65 ℃ after 12 hours of temperature stabilization, and the tobacco ribs are baked until the tobacco ribs are completely dry; in the fixing color baking process, the exhaust gas energy-saving recovery processing box 40 can process the flue gas exhausted from the integral baking box body 20 and then exhaust the flue gas into the primary baking box body 10 for drying.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. An energy-saving recovery system for tobacco baking is characterized in that;
the energy-saving recovery system comprises a primary drying box body (10) used for a primary drying process of tobacco yellowing;
the energy-saving recovery system also comprises an integral baking box body (20) which is used for the integral color fixing baking process after the tobacco turns yellow;
the energy-saving recovery system also comprises an exhaust gas drying treatment box (30), wherein the inlet end of the exhaust gas drying treatment box is communicated with the top of the primary drying box body (10), and the outlet end of the exhaust gas drying treatment box is communicated with the bottom of the integral baking box body (20) and is used for drying and heating the drying gas exhausted from the primary drying box body (10);
the energy-saving recovery system also comprises an exhaust gas energy-saving recovery processing box (40), wherein the inlet end of the exhaust gas energy-saving recovery processing box is communicated with the top of the integral baking box body (20), and the outlet end of the exhaust gas energy-saving recovery processing box is communicated with the bottom of the exhaust gas drying processing box (30) and is used for recovering and processing the baking gas exhausted by the integral baking box body (20);
the energy-saving recovery system for tobacco baking operates as follows; firstly, placing tobacco to be dried in a primary drying box body (10), and starting auxiliary heating devices arranged in the primary drying box body (10) and an integral baking box body (20) to respectively heat the tobacco; meanwhile, the exhaust gas energy-saving recovery processing box (40) can also introduce hot gas into the primary drying box body (10) to ensure that the tobacco in the primary drying box body (10) is quickly yellowed; the initial temperature of the primary drying box body (10) is 32-35 ℃, the temperature is raised to 35-36 ℃ after 2-5 hours, then the temperature is raised to 38-39 ℃ after 3-5 hours, the temperature is stabilized until the leaves of the tobacco leaves turn yellow completely, the tobacco leaves are transferred to the integral drying box body (20) for color fixing and drying after the leaves of the tobacco leaves turn yellow completely, and then fresh tobacco is added into the primary drying box body (10) for secondary drying; in the process of fixing color and baking, the exhaust gas drying treatment box (30) can introduce dry hot gas into the whole baking box body (20), and the hot gas is mixed with a baking agent and is used for baking the tobacco in the whole baking box body (20) and simultaneously flavoring the tobacco; the initial temperature in the integral baking box body (20) is 45-48 ℃, the tobacco leaves are baked until the tobacco leaves change to yellow pieces, yellow ribs and small winding drums, then the temperature is raised to 50-52 ℃, the tobacco leaves are baked until the tobacco leaves are hooked and curled to the tip and the large winding drums are curled, the temperature is raised to 54-55 ℃, the temperature is stabilized for more than 12 hours and then raised to 60-65 ℃, and the tobacco ribs are baked until the tobacco ribs are completely dried; in the color fixing baking process, the exhaust gas energy-saving recovery processing box (40) can process the flue gas exhausted by the whole baking box body (20) and then exhaust the flue gas into the primary drying box body (10) for drying.
2. An energy efficient recycling system for tobacco baking according to claim 1, characterized in that; the inlet end of the exhaust gas drying treatment box (30) is communicated with the top of the primary drying box body (10) through a first heat preservation pipe (11), and the outlet end of the exhaust gas drying treatment box (30) is communicated with the bottom of the integral baking box body (20) through a second heat preservation pipe (12);
the inlet end of the exhaust gas energy-saving recovery processing box (40) is communicated with the top of the integral baking box body (20) through a third heat preservation pipe (13), and the outlet end of the exhaust gas energy-saving recovery processing box (40) is communicated with the bottom of the exhaust gas drying processing box (30) through a fourth heat preservation pipe (14);
wherein, two ends of the first heat preservation pipe (11), the second heat preservation pipe (12), the third heat preservation pipe (13) and the fourth heat preservation pipe (14) are respectively provided with flared connecting ends (15);
the primary drying box body (10) and the integral baking box body (20) form an integral structure, and the middle part of the integral baking box body is provided with an equipment storage area (16); the second heat-insulating pipe (12) and the third heat-insulating pipe (13) penetrate through the equipment storage area (16).
3. An energy efficient recovery system for tobacco baking according to claim 1 or 2, characterized in that; the exhaust gas drying treatment box (30) and the exhaust gas energy-saving recovery treatment box (40) can be stored in the equipment storage area (16).
4. An energy efficient recycling system for tobacco baking according to claim 1, characterized in that; auxiliary heating devices are respectively arranged in the primary drying box body (10) and the integral baking box body (20).
5. An energy saving recovery system for tobacco baking according to claim 1 or 2, characterized in that; the exhaust gas drying treatment box (30) is provided with an exhaust gas drying treatment heat-insulation shell (31), and a draught fan (32), a gas drying box (33) and a gas heating box (34) are arranged in the exhaust gas drying treatment box; one end of an induced draft fan (32) is communicated with the first heat preservation pipe (11), the outlet end of the induced draft fan (32) is communicated with a gas drying box (33), the gas drying box (33) is communicated with a gas heating box (34), and the outlet end of the gas heating box (34) is an output end; the gas drying box (33) is a corrugated shell, an inclined guide plate (35) is formed in the gas drying box, and the caliber of the outlet end of the gas drying box (33) is smaller than that of the inlet end of the gas drying box.
6. An energy saving recovery system for tobacco baking according to claim 5, characterized in that; the gas drying box (33) is provided with a drying agent adding port (36) extending out of the exhaust gas drying treatment heat preservation shell (31).
7. An energy efficient recycling system for tobacco baking according to claim 5, characterized in that; the gas heating box (34) is provided with a tobacco baking agent adding port (37) extending out of the exhaust gas drying treatment heat preservation shell (31); the tobacco leaf baking agent comprises the following substances in percentage by weight:
3-5% of licorice extract, 2% of eucommia bark extract, 3-8% of dried orange peel extract, 5-10% of mint extract, 5-10% of honey, 0.5-1.0% of propylene glycol, 0.5-1.0% of sorbitol, 0.3-0.5% of fenugreek extract, 0.3-0.5% of yerba mate green tea extract and 0.2-0.5% of furanone; after the fresh tobacco leaves are picked, the tobacco leaf baking agent is diluted by water and then is uniformly sprayed into a baking agent adding port (37), and the dilution by water means that the tobacco leaf baking agent is fully and uniformly stirred to prepare an aqueous solution with the volume of 500-.
8. An energy efficient recovery system for tobacco baking according to claim 1 or 2, characterized in that; the exhaust gas energy-saving recovery processing box (40) is provided with an energy-saving recovery processing heat-insulating shell (41), and an exhaust fan (42), a condenser (43), a heat exchanger (44), an evaporator (45), a compressor (46) and an electric heater (47) are arranged in the exhaust gas energy-saving recovery processing box; the exhaust fan (42) is connected with the third heat preservation pipe (13), and the exhaust fan (42), the condenser (43), the heat exchanger (44), the evaporator (45), the compressor (46) and the electric heater (47) are communicated in sequence; the output end of the electric heater (47) is communicated with the fourth heat-preservation pipe (14); the heat exchanger (44) is also in communication with the evaporator (45).
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| AUPQ437899A0 (en) * | 1999-11-30 | 1999-12-23 | Wmc Resources Limited | Improved flotation of sulphide minerals |
| CN101564200B (en) * | 2009-05-27 | 2011-11-02 | 天昌国际烟草有限公司 | Tobacco redrying energy-saving technique and energy-saving device of redrying machine thereof |
| CN102669807A (en) * | 2012-04-23 | 2012-09-19 | 云南乾程科技开发有限公司 | Closed internal circulation energy-saving and environment-friendly flue-curing barn for tobacco leaf curing |
| CN102669808A (en) * | 2012-04-23 | 2012-09-19 | 云南乾程科技开发有限公司 | Humid heat removing and recycling device for tobacco curing |
| CN103040086B (en) * | 2012-12-28 | 2015-04-22 | 广州晟启能源设备有限公司 | Dehumidifying heat pump unit and tobacco-dehumidifying heat pump baking device |
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