CN211832772U - Double-heat-pump curing barn - Google Patents
Double-heat-pump curing barn Download PDFInfo
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- CN211832772U CN211832772U CN202020149582.0U CN202020149582U CN211832772U CN 211832772 U CN211832772 U CN 211832772U CN 202020149582 U CN202020149582 U CN 202020149582U CN 211832772 U CN211832772 U CN 211832772U
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- heat pump
- circulating
- air
- evaporator
- chamber
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- 235000019504 cigarettes Nutrition 0.000 claims abstract description 17
- 238000005192 partition Methods 0.000 claims abstract description 9
- 238000007791 dehumidification Methods 0.000 claims abstract description 8
- 239000000779 smoke Substances 0.000 claims abstract description 7
- 241000208125 Nicotiana Species 0.000 claims description 28
- 235000002637 Nicotiana tabacum Nutrition 0.000 claims description 28
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000009977 dual effect Effects 0.000 claims 7
- 238000001816 cooling Methods 0.000 claims 1
- 239000002918 waste heat Substances 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 description 4
- 230000006872 improvement Effects 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000270295 Serpentes Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Manufacture Of Tobacco Products (AREA)
Abstract
The utility model discloses a double heat pump curing barn, which comprises a barn body, a circulating fan, a first heat pump and a second heat pump, wherein the barn body is divided into a circulating air chamber and a smoke containing chamber by a partition wall, and the top and the bottom of the partition wall are respectively provided with a circulating return air inlet and a circulating air outlet which are communicated with the circulating air chamber and the smoke containing chamber; the circulating fan is arranged in the circulating air chamber, and the upper part of the circulating air chamber is also provided with a cold air inlet; the top of the cigarette containing chamber is provided with a damp and hot air outlet, and a plurality of cigarette carrying brackets are arranged at intervals in the cigarette containing chamber along the height direction; the first evaporator of the first heat pump is arranged at a cold air inlet of the curing barn, and cold air exchanges heat with the first evaporator for dehumidification and then enters the circulating air chamber; the second evaporator of the second heat pump is arranged at the damp and hot air outlet, and damp and hot air discharged from the smoke containing chamber exchanges heat with the second evaporator and then is discharged to the atmosphere. The utility model has the advantages that: two evaporators are designed, wherein one evaporator absorbs the waste heat of the damp and hot air, and the other evaporator reduces the absolute humidity of the inlet air.
Description
Technical Field
The utility model relates to a tobacco processing technology field, concretely relates to roast room of two heat pumps.
Background
After the tobacco leaves are harvested from the field, the tobacco leaves are baked to remove moisture and then can be used as raw materials of cigarettes. Currently, the curing and modulation of flue-cured tobacco leaves are generally carried out in a heat pump curing barn, and the tobacco leaves in the curing barn are dehydrated, heated and modulated by high-temperature circulating air after heat exchange with a heat source. However, most of the existing heat pump curing barn adopts a single heat pump to directly extract heat from the external atmospheric environment, and humid and hot air in the curing barn is directly discharged, wherein the waste heat is not recycled, so that energy waste is caused; in addition, under the influence of weather, if the humidity of cold air entering the curing barn is high, the dehumidification processing of tobacco leaves can be influenced to a certain extent. Therefore, there is a need for improvements in the prior art.
Disclosure of Invention
An object of the utility model is to provide a recoverable waste heat, effectual two heat pump roast rooms of dehumidification to prior art's is not enough.
The utility model adopts the technical proposal that: a double-heat-pump curing barn comprises a barn body, a circulating fan, a first heat pump and a second heat pump, wherein the barn body is divided into a circulating air chamber and a tobacco containing chamber by a partition wall, and the top and the bottom of the partition wall are respectively provided with a circulating air return opening and a circulating air outlet which are communicated with the circulating air chamber and the tobacco containing chamber; the circulating fan is arranged in the circulating air chamber, and the upper part of the circulating air chamber is also provided with a cold air inlet; the top of the tobacco containing chamber is provided with a damp and hot air outlet, a plurality of stretcher cigarette racks are arranged in the tobacco containing chamber at intervals along the height direction, tobacco leaves are placed on the stretcher cigarette racks, and air can circulate among all layers of stretcher cigarette racks; the first evaporator of the first heat pump is arranged at a cold air inlet of the curing barn, and cold air exchanges heat with the first evaporator for dehumidification and then enters the circulating air chamber; the second evaporator of the second heat pump is arranged at the damp and hot air outlet, and damp and hot air discharged from the smoke containing chamber exchanges heat with the second evaporator and then is discharged to the atmosphere.
According to the scheme, the first condenser of the first heat pump and the second condenser of the second heat pump can be respectively arranged in the circulating air chamber between the circulating air return inlet and the circulating air outlet.
According to the scheme, the second condenser of the second heat pump and the second condenser of the second heat pump can be respectively arranged at the circulating air return opening or the circulating air outlet.
According to the scheme, the cigarette containing chamber is divided into a plurality of air flow channels by the plurality of cigarette shelves along the height direction, the plurality of air flow channels are integrally distributed in a snake shape, and the two air flow channels which are adjacent from top to bottom are communicated end to end.
According to the scheme, the heat exchanger for preheating/precooling is additionally arranged at the bottom of the circulating air chamber.
According to the scheme, the first evaporator and the second evaporator are arranged outside the plant.
According to the scheme, the cold air inlet and the damp and hot air outlet are respectively provided with the sealing door.
The utility model has the advantages that: the utility model designs two heat pumps, wherein the evaporator of one heat pump is arranged at the outlet of the damp and hot air of the curing barn to absorb the waste heat of the damp and hot air, thereby achieving the purpose of recycling heat energy; the evaporator of the other heat pump is arranged at the cold air inlet of the curing barn, the cold air entering the curing barn firstly exchanges heat with the evaporator, the temperature is reduced, the relative humidity of the cold air is saturated, the purpose of reducing the absolute humidity of the inlet air is achieved, and the dehumidification effect of the tobacco leaves is improved. The two condensers can be respectively arranged at the air inlet and the air outlet of the circulating fan, the circulating fan directly blows the air speed on the condenser very fast, heat can be taken away rapidly, and heat exchange efficiency can be improved. Compared with a single heat pump, the design of the two heat pumps reduces the impact of the baking room on tobacco leaves when the heat pumps suddenly break down, namely when one of the heat pumps breaks down, the other heat pump can still normally operate, and the great baking loss caused by the loss of too much heating power is avoided.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Wherein: 1. a house body; 1.1, a tobacco filling chamber; 1.2, circulating the air chamber; 1.3, partition walls; 2. a first evaporator; 3. a second evaporator; 4. a circulating fan; 5. a cold air inlet; 6. a hot and humid air outlet; 7. circulating the air outlet; 8. a circulating air return inlet; 9. a furnace and furnace heat exchanger; 10. a first condenser; 11. a second condenser; 12. a cigarette-loading bracket.
Detailed Description
For a better understanding of the present invention, reference is made to the following detailed description taken in conjunction with the accompanying drawings.
The double-heat-pump curing barn shown in the figure 1 comprises a barn body 1, a circulating fan 4, a first heat pump and a second heat pump, wherein the barn body 1 is divided into a circulating air chamber 1.2 and a tobacco containing chamber 1.1 by a partition wall 1.3, and the top and the bottom of the partition wall 1.3 are respectively provided with a circulating air return opening 8 and a circulating air outlet 7 which are communicated with the circulating air chamber 1.2 and the tobacco containing chamber 1.1; the circulating fan 4 is arranged in the circulating air chamber 1.2, and the upper part of the circulating air chamber 1.2 is also provided with a cold air inlet 5; the top of the tobacco containing chamber 1.1 is provided with a damp and hot air outlet 6, a plurality of cigarette carrying frames 12 are arranged in the tobacco containing chamber 1.1 at intervals along the height direction, tobacco leaves are placed on the cigarette carrying frames 12, and air can circulate among the cigarette carrying frames 12 in each layer; the first evaporator 2 of the first heat pump is arranged at a cold air inlet 5 of the curing barn, and cold air firstly exchanges heat with the first evaporator 2 for dehumidification and then enters the circulating air chamber 1.2; the second evaporator 3 of the second heat pump is arranged at a damp and hot air outlet 6, and damp and hot air discharged from the smoke containing chamber 1.1 exchanges heat with the second evaporator 3 and then is discharged to the atmosphere.
In the utility model, a closed cavity can be respectively arranged at the cold air inlet 5 and the hot and humid air outlet 6, and cold air enters and exchanges heat with the first evaporator 2 in the closed cavity and then enters the circulating air chamber 1.2 through the cold air inlet 5; the damp and hot air enters the closed cavity through the damp and hot air outlet 6, exchanges heat with the second heat exchanger in the closed cavity and then is discharged.
In this embodiment, the first evaporator 2 and the second evaporator 3 are both arranged outside the plant; and a cold air inlet 5 and a damp and hot air outlet 6 are respectively provided with a sealing door.
The utility model discloses in, first heat pump includes first compressor, first liquid storage pot, first vapour and liquid separator, first expansion valve, first condenser 10 and first evaporimeter 2 that the closed loop is connected, the second heat pump includes second compressor, second liquid storage pot, second vapour and liquid separator, second expansion valve, second condenser 11 and the second evaporimeter 3 that the closed loop is connected, and above-mentioned constitution and connection are prior art, and not the improvement part, no longer give consideration to here.
Preferably, the first condenser 10 of the first heat pump and the second condenser 11 of the second heat pump can be respectively arranged in the circulating air chamber 1.2 between the circulating air return opening 8 and the circulating air outlet 7, especially can be arranged at the air inlet and the air outlet of the circulating fan 4, the power of the circulating fan 4 is very high, the air speed directly blowing to the condensers is fast, heat can be rapidly taken away, and the heat exchange efficiency can be improved. Preferably, both the second condenser 11 of the second heat pump and the second condenser 11 of the second heat pump can be respectively disposed at the circulating air return opening 8 or the circulating air outlet 7. When the two condensers are arranged at the inlet and the outlet of the circulating fan 4, the condensers can be designed into a ring shape, and the condensers are rectangular when being arranged at other positions.
The utility model discloses in, when the evaporimeter of heat pump and 4 lug connection configurations of circulating fan, the evaporimeter is the annular, and the evaporimeter is the rectangle during other position configurations.
The utility model discloses in, a plurality of stretcher cigarette shelves 12 will adorn cigarette room 1.1 and separate for a plurality of air flow channel along the direction of height, and a plurality of air flow channel are whole to be snakelike arranging, and two upper and lower adjacent air flow channel head and the tail communicate.
Preferably, the bottom of the circulating air chamber 1.2 is provided with a stove and a stove heat exchanger 9, wherein the stove and the stove heat exchanger 9 are in the prior art.
The utility model discloses in, first heat pump and the equal manual control of second heat pump or automatic control it is in independent operation or stop state.
In the embodiment, the evaporator of the first heat pump is arranged at the cold air inlet 5, and the condenser of the first heat pump is arranged at the circulating air return inlet 8; the evaporator of the second heat pump is arranged at the damp and hot air outlet 6, and the condenser of the second heat pump is arranged at the circulating air outlet. The specific working process of this embodiment is as follows: the first evaporator 2 of the first heat pump is positioned at the cold air inlet 5, and cold air exchanges heat with the first evaporator 2 before entering the circulating air chamber 1.2, so that dehumidification is carried out while the temperature is reduced, and the absolute humidity of the cold air entering the curing barn is reduced; cold air enters the circulating air chamber 1.2 and then is blown downwards to the heat exchanger for heating under the action of the circulating fan 4, the heated low-humidity high-heat air is blown out from the circulating air outlet 7, meanwhile, the heat of the condenser at the position is sent into the tobacco loading chamber 1.1, the tobacco leaves on the tobacco loading support 12 are heated, and water vapor is taken away to move upwards to the circulating air return opening 8 and the hot and humid air outlet door 7; and a part of humid and high-heat air returns to the circulating fan 4 from the circulating air return opening 8 again to complete the whole circulation (in the circulation process, the heat of the condenser at the circulating air return opening 8 is sent to the smoke containing chamber 1.1), the other part of humid and high-heat air exchanges heat with the second evaporator 3 from the humid and high-heat air outlet, and after the second evaporator 3 absorbs the heat of the humid and high-heat air, humid and cold air is discharged.
The utility model discloses the roast room that relates to in can be standard intensive roast room, and this kind of roast room has two kinds of models of the air current rising and the air current descending formula, but the return air inlet and the air outlet of these two kinds of roast rooms all are the same size, so can solve the problem that the size of the condenser of two kinds of different roast rooms is not uniform with one set of equipment to in standardized production.
It should be noted that the above is only a preferred embodiment of the present invention, and the present invention is not limited thereto, and although the present invention has been described in detail with reference to the embodiments, it will be apparent to those skilled in the art that the technical solutions described in the foregoing embodiments can be modified or some technical features can be replaced with equivalents, but any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. A double-heat-pump curing barn is characterized by comprising a barn body, a circulating fan, a first heat pump and a second heat pump, wherein the barn body is divided into a circulating air chamber and a tobacco containing chamber by a partition wall, and the top and the bottom of the partition wall are respectively provided with a circulating air return opening and a circulating air outlet which are communicated with the circulating air chamber and the tobacco containing chamber; the circulating fan is arranged in the circulating air chamber, and the upper part of the circulating air chamber is also provided with a cold air inlet; the top of the tobacco containing chamber is provided with a damp and hot air outlet, a plurality of stretcher cigarette racks are arranged in the tobacco containing chamber at intervals along the height direction, tobacco leaves are placed on the stretcher cigarette racks, and air can circulate among all layers of stretcher cigarette racks; the first evaporator of the first heat pump is arranged at a cold air inlet of the curing barn, and cold air exchanges heat with the first evaporator for dehumidification and then enters the circulating air chamber; the second evaporator of the second heat pump is arranged at the damp and hot air outlet, and damp and hot air discharged from the smoke containing chamber exchanges heat with the second evaporator and then is discharged to the atmosphere.
2. The dual heat pump baking house of claim 1, wherein the first condenser of the first heat pump and the second condenser of the second heat pump are respectively disposed in the circulating air chamber between the circulating air return opening and the circulating air outlet opening.
3. The dual heat pump barn of claim 1, wherein the first condenser and the second condenser are disposed at the air inlet and the air outlet of the circulating fan, respectively.
4. The dual heat pump barn of claim 1, wherein the second condenser of the second heat pump and the second condenser of the second heat pump are disposed at the circulating return air inlet or the circulating air outlet, respectively.
5. The dual heat pump flue-curing barn of claim 1, wherein the plurality of supporting brackets divide the tobacco containing chamber into a plurality of air flow channels in the height direction, the plurality of air flow channels are integrally arranged in a serpentine shape, and two air flow channels adjacent to each other are communicated end to end.
6. The dual heat pump hothouse of claim 1, wherein a heat exchanger for pre-heating/pre-cooling is added to the bottom of the circulating plenum.
7. The dual heat pump baking room of claim 1, wherein the first evaporator and the second evaporator are both located outside the factory building.
8. The dual heat pump hothouse of claim 1, wherein a sealing door is added to each of the cool air inlet and the hot and humid air outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020149582.0U CN211832772U (en) | 2020-01-22 | 2020-01-22 | Double-heat-pump curing barn |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020149582.0U CN211832772U (en) | 2020-01-22 | 2020-01-22 | Double-heat-pump curing barn |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211832772U true CN211832772U (en) | 2020-11-03 |
Family
ID=73232950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020149582.0U Expired - Fee Related CN211832772U (en) | 2020-01-22 | 2020-01-22 | Double-heat-pump curing barn |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211832772U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117685754A (en) * | 2024-02-04 | 2024-03-12 | 江西农业大学 | Superheated steam heat pump chinese-medicinal material evaporates and shines device |
-
2020
- 2020-01-22 CN CN202020149582.0U patent/CN211832772U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117685754A (en) * | 2024-02-04 | 2024-03-12 | 江西农业大学 | Superheated steam heat pump chinese-medicinal material evaporates and shines device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201103 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |