CN111528511A - Baking device with preheating air duct and baking method thereof - Google Patents
Baking device with preheating air duct and baking method thereof Download PDFInfo
- Publication number
- CN111528511A CN111528511A CN202010555170.1A CN202010555170A CN111528511A CN 111528511 A CN111528511 A CN 111528511A CN 202010555170 A CN202010555170 A CN 202010555170A CN 111528511 A CN111528511 A CN 111528511A
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- air
- baking
- air duct
- film
- baking room
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 239000010408 film Substances 0.000 claims description 35
- 238000010438 heat treatment Methods 0.000 claims description 11
- 239000002985 plastic film Substances 0.000 claims description 10
- 229920006255 plastic film Polymers 0.000 claims description 10
- 239000010409 thin film Substances 0.000 claims description 10
- 238000001704 evaporation Methods 0.000 claims description 8
- 230000008020 evaporation Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 5
- 239000003570 air Substances 0.000 description 96
- 241000208125 Nicotiana Species 0.000 description 5
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 5
- 239000012080 ambient air Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000001035 drying Methods 0.000 description 3
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000643 oven drying Methods 0.000 description 1
- 238000007142 ring opening reaction Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Images
Classifications
-
- 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
- A24B3/04—Humidifying or drying tobacco bunches or cut tobacco
Landscapes
- Drying Of Solid Materials (AREA)
Abstract
The invention provides a baking device with a preheating air duct and a baking method thereof. The baking device with the preheating air channel and the baking method thereof comprise a baking room, slide rails and a film shed, wherein the two slide rails with the same specification are respectively and fixedly installed at the top of the baking room, a plurality of groups of film shed supporting columns are installed on the two slide rails, the film shed is installed on the film shed supporting columns, and a fresh air introducing port for introducing fresh air is formed in the film shed. The baking device with the preheating air channel and the baking method thereof have the advantages that the problem that when the environment temperature is low, the exhaust temperature of a compressor and the exhaust heat of a condenser are not enough to meet the requirement of the smoke-making load temperature is solved, meanwhile, the low-cost and easily-obtained film materials are adopted to construct the fresh air channel which utilizes the heat leakage at the top of the baking room and supply the circulating air to the evaporator of the air source heat pump, the operation parameters of the air source heat pump can be improved, and the performance is improved.
Description
Technical Field
The invention relates to the technical field of tobacco curing equipment, in particular to a baking device with a preheating air duct and a baking method thereof.
Background
Tobacco leaf drying is the indispensable process in the tobacco production process, generally will use drying equipment, and present ring-opening air energy heat pump oven is higher at high temperature environment operating efficiency, but when ambient temperature (such as night) is lower, because the restriction of air energy self, the exhaust temperature of compressor and the heat extraction of condenser are not enough to satisfy the load temperature demand of cigarette making, but the flue-cured tobacco is a longer time.
The existing oven drying process circulates in a closed mode by circulating air, an air source heat pump transfers energy from the environment and has different pump heat capacities along with the change of the environment temperature, a system host and an evaporator are close to an air duct, a gap of more than 10cm is enough, the system host and the evaporator are compact as much as possible, a condenser of the system is arranged in the air duct outside the oven to achieve the purpose of compactness, the heat insulation materials of the system host are general, the environment temperature is lower than 14 ℃, the highest temperature which can be provided by an R22 refrigerant is only 68 ℃, but the normal operation cannot be guaranteed when the load requirement exists in the oven, so that the problem that the temperature of the environment air of the evaporator is raised at night is the key for judging whether a heat pump system can meet the temperature requirement of the tobacco curing process is solved, and the problem that the exhaust temperature of a compressor and the heat exhaust of the condenser are insufficient for.
Therefore, it is necessary to provide a baking apparatus with a preheating air duct and a baking method thereof to solve the above technical problems.
Disclosure of Invention
In order to solve the technical problems, the invention provides a baking device with a preheating air duct and a baking method thereof, which overcome the defect that the exhaust temperature of a compressor and the exhaust heat of a condenser are not enough to meet the temperature requirement of a smoke load when the ambient temperature is low.
The baking device with the preheating air duct provided by the invention comprises: bakery, slide rail and film canopy, two slide rails that the specification is the same are fixed mounting respectively at the top of bakery, and install multiunit film canopy pillar on two slide rails, and the film canopy is installed on film canopy pillar, and offers the new trend that is used for the new trend introduction on the film canopy and introduces the mouth.
Preferably, a condenser, a host and an evaporator are fixedly arranged 8-12cm away from the external air duct of the baking room.
Preferably, two slide rails are close to the film canopy pillar of new trend introduction port and pass through slider and slide rail sliding connection, and the slider passes through the fix with screw on the slide rail, and two slide rails keep away from film canopy pillar fixed mounting of new trend introduction port on the slide rail.
Preferably, the tail end of the air inlet of the film shed covers the condenser, the host machine, the evaporator and the air inlet of the baking room downwards.
Preferably, the bakery includes air intake and air outlet, and the air intake play of bakery is fixed with the air-blower, and the air outlet of bakery and the intake pipe intercommunication of condenser, the gas outlet of condenser is passed through pipe connection to on the evaporimeter.
Preferably, the evaporator comprises an air source heat pump, a shell is covered outside the air source heat pump, the shell of the air source heat pump is communicated with the fresh air inlet through a guide pipe, and an evaporation outlet is formed in the top of the shell of the air source heat pump.
A baking device with a preheating air duct and a baking method thereof are disclosed, wherein a step polymer is installed on the preheating air duct and the baking method is as follows:
firstly, constructing a plastic film air duct at the height of 10-15cm at the top of the baking room, supporting the plastic film air duct by a plurality of film shed supports, and fixing the plastic film air duct at the top of the whole baking room;
secondly, a thin film shed support post is arranged from the baking room to the edge of the external air duct, and can be moved and folded to be close to the baking room, so that the areas of the host and the evaporator are kept away, and a thin film shed is laid on the thin film shed support post;
thirdly, continuing to apply a film shed at the height of the main engine and the evaporator to surround the main engine and the evaporator, but opening an opening at the outlet area of the main engine and the evaporator to separate the air inlet area from the air outlet area, wherein the parts can still be folded together with the connected parts to be retracted to be close to the baking room;
step four, starting a heating device of the baking room;
step five, introducing air entering a circulation channel by fresh air into the baking room through a fresh air introducing port to improve the state that the fresh air enters the baking room, so that an energy-saving effect is achieved;
step six, the humid hot air that comes out with the bakery air outlet introduces air source heat pump outside in the casing to with casing inner space and the heat transfer of hydrofuge air current in order to promote ambient temperature, also introduce casing inner space with the new trend simultaneously and improve ambient temperature.
Compared with the related art, the baking device with the preheating air channel and the baking method thereof provided by the invention have the following beneficial effects:
1. according to the invention, the fresh air channel which utilizes the heat leakage at the top of the baking room is constructed by adopting cheap and easily-obtained film materials, and the circulating air is supplied to the air source heat pump evaporator, so that the operation parameters of the air source heat pump can be improved, and the performance is improved;
2. the enclosed air channel structure can be introduced into the host machine evaporator when the oven discharges damp heat, and can also improve the operation parameters of the heat pump, so that the heating energy consumption can be reduced, and the energy efficiency of the heat pump can be improved;
3. the air duct structure adopts the cheap materials such as films to construct an easy-folding structure so as to be convenient for folding the air duct structure after the temperature rises in the daytime.
Drawings
FIG. 1 is a schematic structural diagram of a baking apparatus with a pre-heating duct and a baking method thereof according to a preferred embodiment of the present invention;
fig. 2 is a schematic structural diagram of a conventional baking room and an air duct.
Reference numbers in the figures: 1. bakery, 2, condenser, 3, host computer and evaporimeter, 4, fan, 5, slide rail, 6, film canopy pillar, 7, film canopy, 8, new trend introduction port, 1a, bakery case, 2a, condensing element, 21a, bakery case air outlet, 22a, bakery case air intake, 3a, main parts and evaporating element.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
Referring to fig. 1 and fig. 2, fig. 1 is a schematic structural diagram of a baking apparatus with a preheating air duct and a baking method thereof according to a preferred embodiment of the present invention; fig. 2 is a schematic structural diagram of a conventional baking room and an air duct. The baking device with the preheating air duct and the baking method thereof comprise the following steps: bakery 1, slide rail 5 and film canopy 7, 8-12cm department fixed mounting have condenser 2 and host computer and evaporimeter 3 apart from 1 external wind channel in bakery, and bakery 1 includes air intake and air outlet, and bakery 1's air intake play is fixed with air-blower 4, and bakery 1's air outlet and condenser 2's intake pipe intercommunication, and condenser 2's gas outlet passes through pipe connection to on the evaporimeter.
It should be noted that: the existing baking room 1a is in closed circulation by circulating air in the drying process, an air source heat pump transfers energy from the environment and has different pump heat capacities along with the change of the environment temperature, the main machine part and the evaporation device 3a are close to an air outlet 21a of a baking room box and an air inlet 22a of the baking room box, a gap of more than 10cm is enough, the main machine part and the evaporation device are as compact as possible, a condensation device 2a of the main machine part and the evaporation device is arranged in an outer air duct of the baking room 1a, the purpose of compactness is achieved, when the environment temperature is lower than 14 ℃, the highest temperature which can be provided by an R22 refrigerant is only 68 ℃, the normal operation cannot be guaranteed when the load demand exists in the baking room, and the.
In the concrete implementation process, as shown in fig. 1, two slide rails 5 that the specification is the same are fixed mounting respectively at the top of bakery 1, and install multiunit film canopy pillar 6 on two slide rails 5, film canopy 7 is installed on film canopy pillar 6, and offer the new trend that is used for introducing the new trend on the film canopy 7 and introduce a mouthful 8, two slide rails 5 are close to film canopy pillar 6 that the new trend introduced a mouthful 8 and pass through slider and 5 sliding connection of slide rail, and the slider passes through the fix with screw on slide rail 5, two slide rails 5 keep away from film canopy pillar 6 fixed mounting that the new trend introduced a mouthful 8 on slide rail 5.
The evaporator comprises an air source heat pump, a shell is covered outside the air source heat pump, the shell of the air source heat pump is communicated with the fresh air inlet 8 through a guide pipe, and an evaporation outlet is formed in the top of a shell of the air source heat pump.
A baking device with a preheating air duct and a baking method thereof are disclosed, wherein a step polymer is installed on the preheating air duct and the baking method is as follows:
firstly, constructing a plastic film air duct at the height of 10-15cm at the top of the baking room 1, supporting the plastic film air duct by using a plurality of film shed support columns 6, fixing the plastic film air duct at the top of the whole baking room 1, and paving a film shed 7 on the film shed support columns 6;
secondly, a thin film shed 7 is arranged from the baking room 1 to the edge of the external air duct, and a thin film shed support 6 can be moved and folded to be close to the baking room 1, so that the areas of the host and the evaporator 3 are kept away;
step three, continuing to apply a membrane canopy strut 6 at the level of the main frame and evaporator 3 to surround the main frame and evaporator 3, but opening an opening at the exit area of the main frame and evaporator 3 to separate the air intake and air exhaust areas, which can still be folded together with the attached parts to close the baking chamber 1;
step four, starting a heating device of the baking room 1;
step five, introducing air entering a circulation channel by fresh air into the baking room 1 through a fresh air introducing port 8 so as to improve the state that the fresh air enters the baking room, thereby achieving the energy-saving effect;
step six, the humid hot air that comes out with bakery 1 air outlet introduces air source heat pump outside in the casing to with casing inner space and the heat transfer of hydrofuge air current in order to promote ambient temperature, also introduce casing inner space with the new trend simultaneously and improve ambient temperature.
It should be noted that: the film shed 7 is paved on the top of the baking room 1, when the baking room 1 needs 68 ℃, the outer wall surface of the baking room 1 has 28 ℃, air with 10 ℃ of environment passes through a flow channel with 8 meters long, the air is sufficiently heated to be more than 18 ℃, the heat load of 68 ℃ is sufficiently provided at the moment, so as to meet the baking temperature and the heat negative in the dry rib stage, the hot air provided at the moment is used as the ambient air of an air source heat pump, the evaporation pressure of the heat pump is improved, so as to ensure the condensation pressure, the exhaust temperature and the heat performance of the heat pump, the temperature requirement of other stages is lower than 68 ℃, certainly, the air channel can be better ensured, when the ambient temperature in the daytime is increased and does not need to be utilized, the sliding slide block can fold the air channel, the ambient air is used, the ambient temperature in the daytime is not enough, the heat pump performance is still utilized to be improved by the air channel, so that the air channel is, the heat pump air duct can be folded to keep flexibility, the air duct heats the ambient air by utilizing heat leakage of the heat insulation material of the baking room 1, the ambient air can be used as the ambient air energy of the heat pump evaporator, the exhaust temperature of the heat pump and larger heat load output can be effectively improved, normal operation and heat of the heat pump at night are ensured, and when wet-removing hot air exists, the evaporator is introduced to improve the operation parameters of the heat pump, the energy efficiency is improved, stable operation is realized, energy is saved, and the efficiency is improved.
In the implementation process, the film shed 7 used as the air duct can be made of film-type easily-coated materials, so that the cost is low, and the processing and manufacturing are convenient, so that the material selection is not limited to plastic films.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. A baking apparatus with a pre-heating air duct, comprising:
a baking room (1);
the two slide rails (5) with the same specification are respectively and fixedly installed at the top of the baking room (1), and a plurality of groups of thin film shed support columns (6) are installed on the two slide rails (5);
film canopy (7), install on film canopy pillar (6) film canopy (7), and offer on film canopy (7) and be used for introducing the new trend of new trend and introduce mouth (8).
2. The toasting device with pre-heating air duct according to claim 1, characterized in that a condenser (2) and a main machine and an evaporator (3) are fixedly installed at a distance of 8-12cm from the external air duct of the toasting room (1).
3. The toasting device with the pre-heating air duct according to claim 1, wherein the two film canopy struts (6) of the slide rails (5) near the fresh air intake (8) are slidably connected with the slide rails (5) through slide blocks, the slide blocks are fixed on the slide rails (5) through screws, and the two film canopy struts (6) of the slide rails (5) far away from the fresh air intake (8) are fixedly installed on the slide rails (5).
4. The toasting device with pre-heating air duct according to claim 1, characterized in that the end of the air inlet of the film hood (7) covers the condenser (2), the main unit and the evaporator (3) and the air inlet of the toasting room (1) downwards.
5. The roasting device with the preheating air duct according to claim 1, wherein the roasting chamber (1) comprises an air inlet and an air outlet, the air inlet of the roasting chamber (1) is fixed with an air blower (4), the air outlet of the roasting chamber (1) is communicated with the air inlet pipe of the condenser (2), and the air outlet of the condenser (2) is connected to the evaporator through a pipeline.
6. The roasting apparatus with the preheating air duct according to claim 5, wherein the evaporator comprises an air source heat pump, the air source heat pump is externally covered by a housing, the housing of the air source heat pump is communicated with the fresh air inlet (8) through a conduit, and the top of the housing of the air source heat pump is provided with an evaporation outlet.
7. The toasting apparatus with pre-heating air duct and the toasting method thereof according to any of claims 1-6, wherein the pre-heating air duct is provided with the following polymers and the toasting method:
firstly, constructing a plastic film air duct at the height of 10-15cm at the top of the baking room (1), supporting the plastic film air duct by a plurality of film shed support columns (6), and fixing the plastic film air duct at the top of the whole baking room (1);
secondly, a thin film shed support post (6) is arranged from the baking room (1) to the edge of the external air duct, the thin film shed support post (6) can be moved and folded to be close to the baking room (1), so that the areas of the host machine and the evaporator (3) are avoided, and a thin film shed (7) is laid on the thin film shed support post (6);
thirdly, continuing to apply a film shed (7) at the level of the main unit and the evaporator (3) to surround the main unit and the evaporator (3), but opening an opening at the outlet area of the main unit and the evaporator (3) to separate the air inlet area from the air outlet area, which part can still be folded together with the connected parts to close the baking room (1);
step four, starting a heating device of the baking room (1);
step five, introducing air entering a circulation channel by fresh air into the baking room (1) through a fresh air introducing port (8) so as to improve the state that the fresh air enters the baking room, thereby achieving an energy-saving effect;
six, the humid hot air that comes out with bakery (1) air outlet introduces air source heat pump outside in the casing to with casing inner space and the heat transfer of hydrofuge air current in order to promote ambient temperature, also introduce casing inner space with the new trend simultaneously and improve ambient temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010555170.1A CN111528511A (en) | 2020-06-17 | 2020-06-17 | Baking device with preheating air duct and baking method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010555170.1A CN111528511A (en) | 2020-06-17 | 2020-06-17 | Baking device with preheating air duct and baking method thereof |
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| Publication Number | Publication Date |
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| CN111528511A true CN111528511A (en) | 2020-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010555170.1A Pending CN111528511A (en) | 2020-06-17 | 2020-06-17 | Baking device with preheating air duct and baking method thereof |
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| CN201591119U (en) * | 2010-02-18 | 2010-09-29 | 湖北省烟草公司襄樊市公司 | Tobacco bulk curing barn provided with solar thermal collecting device |
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| CN204579874U (en) * | 2015-04-23 | 2015-08-26 | 云南省烟草公司文山州公司 | Solar-assisted heat source bulk curing barn |
| CN105559128A (en) * | 2016-03-11 | 2016-05-11 | 河南农业大学 | Solar combined type heat supply system for tobacco curing |
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| CN206101556U (en) * | 2016-07-13 | 2017-04-19 | 湖南省烟草公司衡阳市公司耒阳市分公司 | Air ability and solar energy tobacco flue -curing bulk curer |
| CN110108098A (en) * | 2019-05-31 | 2019-08-09 | 河南农业大学 | A kind of multipurpose heat pump barn |
| CN212488420U (en) * | 2020-06-17 | 2021-02-09 | 广东依明机械科技有限公司 | Baking device with preheating air duct |
-
2020
- 2020-06-17 CN CN202010555170.1A patent/CN111528511A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201591119U (en) * | 2010-02-18 | 2010-09-29 | 湖北省烟草公司襄樊市公司 | Tobacco bulk curing barn provided with solar thermal collecting device |
| US20130319434A1 (en) * | 2012-06-01 | 2013-12-05 | August J. Borschke | Method and system for moist tobacco extract isolation |
| CN103222674A (en) * | 2012-09-12 | 2013-07-31 | 遵义市烟草公司绥阳县分公司 | Curing barn for utilizing solar energy and recycling curing and dehumidification gas waste heat in curing barn |
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