CN212139278U - Split type closed circulation heat pump tobacco flue-curing barn - Google Patents

Split type closed circulation heat pump tobacco flue-curing barn Download PDF

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Publication number
CN212139278U
CN212139278U CN202020259135.0U CN202020259135U CN212139278U CN 212139278 U CN212139278 U CN 212139278U CN 202020259135 U CN202020259135 U CN 202020259135U CN 212139278 U CN212139278 U CN 212139278U
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heating
heat exchanger
heat pump
chamber
closed circulation
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CN202020259135.0U
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任杰
蔡宪杰
孙卫东
曹亚凡
丁朋辉
丁伟
白茹
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Suzhou Vossli New Energy Equipment Co ltd
Yan'an Company Shaanxi Tobacco Co
Shanghai Tobacco Group Co Ltd
Tobacco Research Institute of CAAS
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Suzhou Vossli New Energy Equipment Co ltd
Yan'an Company Shaanxi Tobacco Co
Shanghai Tobacco Group Co Ltd
Tobacco Research Institute of CAAS
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Application filed by Suzhou Vossli New Energy Equipment Co ltd, Yan'an Company Shaanxi Tobacco Co, Shanghai Tobacco Group Co Ltd, Tobacco Research Institute of CAAS filed Critical Suzhou Vossli New Energy Equipment Co ltd
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Abstract

The utility model discloses a split closed circulation heat pump tobacco baking room, which comprises a heat pump outer machine, a heating chamber and a smoke containing chamber which form the baking room, and a control valve connected with an electric appliance of the heating chamber and the heat pump outer machine; the heating device is characterized in that a partition wall is arranged between the smoke containing chamber and the heating chamber, an air inlet of the smoke containing chamber is reserved in the middle position of the upper end of the partition wall, an air return opening of the heating chamber is reserved in the middle position of the lower end of the partition wall, a heating heat exchanger, a circulating fan and a dehumidifying heat exchanger are arranged in the heating chamber, the circulating fan is mounted above the heating heat exchanger and used for providing power for circulating airflow to flow, the heating heat exchanger is communicated with an outer machine of a heat pump through a pipeline, and the dehumidifying heat exchanger is located below the heating. The utility model discloses possess refrigeration, heat, closed circulation dehumidification, supplementary 4 kinds of functions of hydrofuge, the tobacco leaf is toasted effectually, remains the fragrant material in the tobacco leaf to the utmost and does benefit to the gas composition that improves the toasting quality, and the energy is extravagant few, low in manufacturing cost.

Description

Split type closed circulation heat pump tobacco flue-curing barn
Technical Field
The utility model relates to a tobacco flue-curing barn especially relates to a split type closed circulation heat pump tobacco flue-curing barn belongs to tobacco leaf modulation equipment technical field.
Background
At present, many tobacco leaf producing areas utilize the heat pump roast room to carry out the tobacco leaf and toast, but are mostly open circulation heat pump roast room, adopt open dehumidification mode, when the indoor relative humidity of dress cigarette is on the high side, open the cold blast gate and inhale fresh air, directly discharge damp and hot air to external environment by the hydrofuge mouth to reduce the relative humidity in the roast room, tobacco leaf drying rate is fast, but the tobacco leaf shrink range is little, and the tobacco leaf is owing soft after the roast. In addition, the discharge of high-temperature and high-humidity air also causes a great deal of energy waste, so that the temperature in the curing barn is changed violently, and the quality of cured tobacco leaves is adversely affected.
The closed-cycle air source heat pump curing barn utilizes electric energy for curing, in the whole tobacco curing process, the air circulating in the curing barn is not exchanged with the outside, the evaporator is utilized to condense and discharge water vapor in the air in the dehumidification stage, the heat can be recycled, the energy waste is reduced, and aroma substances in tobacco leaves can be retained to the maximum degree and gas components which are beneficial to improving the curing quality are reserved. Before, a closed type circulating heat pump curing barn (201821709785.X) capable of adjusting the airflow direction is researched and designed, but the curing barn utilizes a heat pump all-in-one machine for heating, a circulating fan sends hot air into a tobacco loading chamber through a soft connecting pipeline, the air circulation distance is increased, the wind resistance is large, a relatively large-power circulating fan needs to be arranged, and the power consumption is increased. In addition, the flexible connecting pipe needs to be manufactured, so that the cost is relatively increased, and a new technical scheme is needed for further reducing the manufacturing cost of the equipment.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem existing in the prior art, the utility model aims to provide a split type closed circulation heat pump tobacco flue-curing house.
In order to achieve the above purpose, the utility model adopts the following technical means: a split type closed circulation heat pump tobacco leaf baking room comprises a heat pump outer machine, a heating chamber and a tobacco loading chamber which form the baking room, and a control valve connected with an electric appliance of the heating chamber and the heat pump outer machine; the heating device is characterized in that a partition wall is arranged between the smoke containing chamber and the heating chamber, an air inlet of the smoke containing chamber is reserved in the middle position of the upper end of the partition wall, an air return opening of the heating chamber is reserved in the middle position of the lower end of the partition wall, a heating heat exchanger, a circulating fan and a dehumidifying heat exchanger are arranged in the heating chamber, the circulating fan is mounted above the heating heat exchanger and used for providing power for circulating airflow to flow, the heating heat exchanger is communicated with an outer machine of a heat pump through a pipeline, and the dehumidifying heat exchanger is located below the heating.
Further, the heating chamber is enclosed by baking house wall body and partition wall, still is provided with supplementary electrical heating in the heating chamber, and circulating fan installs in supplementary electrical heating top, and heating heat exchanger installs in supplementary electrical heating below.
Furthermore, a condensed water tray and a water pipe are arranged below the dehumidifying heat exchanger and used for collecting and discharging condensed water.
Further, the heat pump outdoor unit comprises a compressor, an outdoor fan, an outdoor heat exchanger and a control valve, the compressor is connected with the heating heat exchanger, the dehumidifying heat exchanger and the outdoor heat exchanger through the control valve and a connecting pipeline, and the outdoor fan is arranged on one side of the outdoor heat exchanger.
Furthermore, the control valve comprises a heat absorption expansion valve, a heat absorption electromagnetic valve, a dehumidification expansion valve, a dehumidification electromagnetic valve, a four-way valve and a one-way valve, the compressor is connected to a pipeline between the heating heat exchanger and the outdoor heat exchanger through the four-way valve, the heat absorption electromagnetic valve and the heat absorption expansion valve are arranged on the pipeline between the heating heat exchanger and the outdoor heat exchanger, and the dehumidification electromagnetic valve and the dehumidification expansion valve are arranged on the pipeline between the dehumidification heat exchanger and the heating heat exchanger.
Furthermore, a cigarette containing chamber door is arranged on the wall body of the cigarette containing chamber on the opposite side of the partition wall.
Furthermore, the heating chamber still includes the cold blast door, and the cold blast door sets up on the heating chamber wall body for the intercommunication and the closure of control heating chamber and the outer air current of heating chamber.
Furthermore, the tobacco loading chamber further comprises auxiliary moisture exhaust ports, and the auxiliary moisture exhaust ports are arranged on two sides of the bottom of the tobacco loading chamber and used for assisting the outflow of gas in the tobacco loading chamber during the external moisture exhaust.
The working principle is as follows: the utility model discloses a roast room possesses heating, refrigeration, closed circulation dehumidification, supplementary outer 4 kinds of functions of hydrofuge.
Heating mode: the heat in the air outside the machine body is absorbed by the outdoor heat exchanger, the heat exchanger releases heat, the air is heated, and the hot air is conveyed to the tobacco containing chamber through the circulating action of the circulating fan to heat the tobacco leaves;
a refrigeration mode: through the effect of cross valve, heat exchanger absorbs the heat in the heating room air, makes heating room air cooling turn cold, through circulating fan's circulation effect, carries cold air to dress smoke chamber, realizes the refrigeration function to dress smoke chamber. The heat absorbed by the heating heat exchanger is released to the outside through the outdoor heat exchanger;
and (3) a closed cycle dehumidification mode: under the action of a circulating fan, conveying moist high-temperature air in the smoke containing chamber to a dehumidification heat exchanger through an air return port for heat exchange, treating the moist high-temperature air to a low-temperature drying state, collecting condensed water by a condensate water disc, and discharging the condensed water out of the system through a condensate water pipe; the processed low-temperature dried air is subjected to heat exchange through a heating heat exchanger and processed to be in a high-temperature drying state; the treated air is conveyed into a tobacco loading chamber through a circulating fan in a rated mode, the dried high-temperature air is changed into humid high-temperature air after absorbing moisture in tobacco leaves through the tobacco leaves placed in the tobacco loading chamber, and the next circulation is started;
auxiliary external moisture removal: under closed circulation dehumidification mode, when condensation dehumidification rate can not satisfy the tobacco leaf and toast the demand, the cold blast gate is opened, and under the circulating fan effect, external dry fresh air gets into the dress cigarette room, and under the pressure effect, the dress cigarette is outdoor via supplementary hydrofuge mouth discharge dress cigarette room to the moist air in the dress cigarette room.
The beneficial effects of the utility model reside in that: possess refrigeration, heat, closed circulation dehumidification, supplementary 4 kinds of functions of hydrofuge, tobacco leaf toasts effectually, and the gaseous composition that the most remains the fragrant material in the tobacco leaf and do benefit to the improvement quality of toasting heats and the combination of closed circulation dehumidification, has reduced the energy waste, and structural design is reasonable, low in manufacturing cost.
Drawings
The contents of the present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. the heat pump outdoor unit comprises a heat pump outdoor unit, 2, an outdoor fan, 3, an outdoor heat exchanger, 4, a heat absorption expansion valve, 5, a heat absorption electromagnetic valve, 6, a smoke containing chamber wall, 7, auxiliary electric heating, 8, a circulating fan, 9, a heating heat exchanger, 10, a heating chamber, 11, an air inlet, 12, a smoke containing chamber door, 13, tobacco leaves, 14, an air return opening, 15, a dehumidifying heat exchanger, 16, a condensate water tray and a water pipe, 17, a one-way valve, 18, a dehumidifying expansion valve, 19, a dehumidifying electromagnetic valve, 20, a four-way valve, 21, a compressor, 22, a smoke containing chamber, 23 and a partition wall.
Detailed Description
Example 1
A split type closed circulation heat pump tobacco leaf baking room as shown in fig. 1, which comprises a heat pump outdoor unit 1, a heating chamber 10 and a smoke containing chamber 22 which form the baking room, and a control valve connected with a heating chamber electric appliance and the heat pump outdoor unit 1; the heating device is characterized in that a partition wall 23 is arranged between the cigarette containing chamber 22 and the heating chamber 10, a cigarette containing chamber air inlet 11 is reserved at the upper end of the partition wall 23, a heating chamber air return opening 14 is reserved at the lower end of the partition wall, a heating heat exchanger 9, a circulating fan 8 and a dehumidifying heat exchanger 15 are arranged in the heating chamber 10, the circulating fan 8 is mounted above the heating heat exchanger 9 and used for providing power for circulating airflow to flow, the heating heat exchanger 9 is communicated with the heat pump outdoor unit 1 through a pipeline, and the dehumidifying heat exchanger 15 is located below the heating heat exchanger 9 and communicated with the heat pump outdoor unit 1.
The partition wall 23 is a wall, and requires heat insulation, and heat can only be transferred from the air inlet.
Example 2
As the structural design of embodiment 1, the heating chamber 10 is enclosed by a baking room wall 6 and a partition wall 23, an auxiliary electric heater 7 is further arranged in the heating chamber 10, a circulating fan 8 is installed above the auxiliary electric heater 7 and used for providing power for circulating airflow to flow, a heating heat exchanger 9 is installed below the auxiliary electric heater 7, and the auxiliary electric heater is turned on only when the heat pump cannot meet the heating requirement. The curing barn is mainly heated by a heating heat exchanger.
As an optimized design of embodiment 1, a condensed water tray and a water pipe 16 are arranged below the dehumidifying heat exchanger 15 for collecting and discharging condensed water.
As the structural design of embodiment 1, the heat pump outdoor unit 1 includes a compressor 21, an outdoor fan 2, an outdoor heat exchanger 3, and a control valve, the compressor 21 is connected to the heating heat exchanger 9, the dehumidifying heat exchanger 15, and the outdoor heat exchanger 3 through the control valve and a connecting pipeline, and the outdoor fan 2 is disposed on one side of the outdoor heat exchanger 3. The compressor 21 is connected with the heating heat exchanger 9, the dehumidifying heat exchanger 15 and the outdoor heat exchanger 3, the heating heat exchanger and the outdoor heat exchanger work in a heating and refrigerating mode, and the dehumidifying heat exchanger and the heating heat exchanger work in a dehumidifying mode.
As a specific control design of the above structure, the control valve includes a heat absorption expansion valve 4, a heat absorption solenoid valve 5, a dehumidification expansion valve 18, a dehumidification solenoid valve 19, a four-way valve 20, and a one-way valve 17, the heat absorption solenoid valve 5 and the heat absorption expansion valve 4 are disposed on a pipe between the heating heat exchanger 9 and the outdoor heat exchanger 3, and the dehumidification solenoid valve 19 and the dehumidification expansion valve 18 are disposed on a pipe between the dehumidification heat exchanger 15 and the heating heat exchanger 9.
As the structural design of the embodiment 1, the cigarette containing chamber 22 is provided with a cigarette containing chamber door 12 on the wall body on the opposite side of the partition wall 23. The tobacco containing chamber 22 is used for placing tobacco leaves 13, and the tobacco containing chamber door 12 is arranged at the front end of the tobacco containing chamber 22 and is convenient for placing and taking the tobacco leaves 13.
As a structural design of embodiment 1, the heating chamber 10 further includes a cold air door, and the cold air door is disposed on a wall of the heating chamber and used for controlling communication and sealing of air flows outside the heating chamber and the heating chamber.
As the structural design of embodiment 1, the smoking chamber 22 further includes auxiliary moisture exhaust ports, which are disposed on two sides of the bottom of the smoking chamber and are used for assisting the outflow of air in the smoking chamber during moisture exhaust. The auxiliary moisture exhaust port is provided with a shutter, when the cold air door is opened, fresh air is sucked, and air in the cigarette containing chamber is exhausted from the moisture exhaust port under the action of pressure. The condensing dehumidification can not be used when the requirements can not be met, and the auxiliary dehumidification is realized.
The working principle is as follows: the utility model discloses a roast room possesses heating, refrigeration, closed circulation dehumidification, supplementary outer 4 kinds of functions of hydrofuge.
Heating mode: the heat in the air outside the machine body is absorbed by the outdoor heat exchanger, the heat exchanger releases heat, the air is heated, and the hot air is conveyed to the tobacco containing chamber through the circulating action of the circulating fan to heat the tobacco leaves;
a refrigeration mode: through the effect of cross valve, heat exchanger absorbs the heat in the heating room air, makes heating room air cooling turn cold, through circulating fan's circulation effect, carries cold air to dress smoke chamber, realizes the refrigeration function to dress smoke chamber. The heat absorbed by the heating heat exchanger is released to the outside through the outdoor heat exchanger;
and (3) a closed cycle dehumidification mode: under the action of a circulating fan, conveying moist high-temperature air in the smoke containing chamber to a dehumidification heat exchanger through an air return port for heat exchange, treating the moist high-temperature air to a low-temperature drying state, collecting condensed water by a condensate water disc, and discharging the condensed water out of the system through a condensate water pipe; the processed low-temperature dried air is subjected to heat exchange through a heating heat exchanger and processed to be in a high-temperature drying state; the treated air is conveyed into a tobacco loading chamber through a circulating fan in a rated mode, the dried high-temperature air is changed into humid high-temperature air after absorbing moisture in tobacco leaves through the tobacco leaves placed in the tobacco loading chamber, and the next circulation is started;
auxiliary external moisture removal: under closed circulation dehumidification mode, when condensation dehumidification rate can not satisfy the tobacco leaf and toast the demand, the cold blast gate is opened, and under the circulating fan effect, external dry fresh air gets into the dress cigarette room, and under the pressure effect, the dress cigarette is outdoor via supplementary hydrofuge mouth discharge dress cigarette room to the moist air in the dress cigarette room.
The utility model discloses possess and heat, refrigeration, closed circulation dehumidification, supplementary 4 kinds of functions of externally discharging moisture, the tobacco leaf is toasted effectually, remains the fragrant material in the tobacco leaf to the utmost and does benefit to the gas composition that improves the toast quality, heats and combines with closed circulation dehumidification, has reduced the energy waste, structural design is reasonable, low in manufacturing cost.
The embodiments of the present application are only used for illustrating the technical features disclosed in the present application, and the changes made by those skilled in the art through simple replacement still belong to the protection scope of the present application.

Claims (8)

1. The utility model provides a split type closed circulation heat pump tobacco flue-curing house which characterized in that: the device comprises a heat pump outdoor unit, a heating chamber and a smoke containing chamber which form a baking room, and a control valve connected with the heating chamber electric appliance and the heat pump outdoor unit; the heating device is characterized in that a partition wall is arranged between the smoke containing chamber and the heating chamber, an air inlet of the smoke containing chamber is reserved in the middle position of the upper end of the partition wall, an air return opening of the heating chamber is reserved in the middle position of the lower end of the partition wall, a heating heat exchanger, a circulating fan and a dehumidifying heat exchanger are arranged in the heating chamber, the circulating fan is mounted above the heating heat exchanger and used for providing power for circulating airflow to flow, the heating heat exchanger is communicated with an outer machine of a heat pump through a pipeline, and the dehumidifying heat exchanger is located below the heating.
2. The split type closed circulation heat pump tobacco flue-curing barn according to claim 1, wherein: the heating chamber is enclosed by bakery wall body and partition wall, still is provided with supplementary electrical heating in the heating chamber, and circulating fan installs in supplementary electrical heating top, and heating heat exchanger installs in supplementary electrical heating below.
3. The split type closed circulation heat pump tobacco flue-curing barn according to claim 1, wherein: and a condensed water tray and a water pipe are arranged below the dehumidifying heat exchanger and used for collecting and discharging condensed water.
4. The split type closed circulation heat pump tobacco flue-curing barn according to claim 1, wherein: the heat pump outdoor unit comprises a compressor, an outdoor fan, an outdoor heat exchanger and a control valve, wherein the compressor is connected with the heating heat exchanger, the dehumidifying heat exchanger and the outdoor heat exchanger through the control valve and a connecting pipeline, and the outdoor fan is arranged on one side of the outdoor heat exchanger.
5. The split type closed circulation heat pump tobacco flue-curing barn according to claim 4, wherein: the control valve comprises a heat absorption expansion valve, a heat absorption electromagnetic valve, a dehumidification expansion valve, a dehumidification electromagnetic valve, a four-way valve and a one-way valve, the compressor is connected to a pipeline between the heating heat exchanger and the outdoor heat exchanger through the four-way valve, the heat absorption electromagnetic valve and the heat absorption expansion valve are arranged on the pipeline between the heating heat exchanger and the outdoor heat exchanger, and the dehumidification electromagnetic valve and the dehumidification expansion valve are arranged on the pipeline between the dehumidification heat exchanger and the heating heat exchanger.
6. The split type closed circulation heat pump tobacco flue-curing barn according to claim 1, wherein: and the cigarette containing chamber is provided with a cigarette containing chamber door on the wall body at one side opposite to the partition wall.
7. The split type closed circulation heat pump tobacco flue-curing barn according to claim 1, wherein: the heating chamber further comprises a cold air door which is arranged on the wall body of the heating chamber and used for controlling the communication and the sealing of the air flow outside the heating chamber and the heating chamber.
8. The split type closed circulation heat pump tobacco flue-curing barn according to claim 1, wherein: the cigarette containing chamber further comprises auxiliary moisture discharging ports, and the auxiliary moisture discharging ports are arranged on two sides of the bottom of the cigarette containing chamber and are used for assisting the outflow of gas in the cigarette containing chamber during the outward moisture discharging.
CN202020259135.0U 2020-03-05 2020-03-05 Split type closed circulation heat pump tobacco flue-curing barn Active CN212139278U (en)

Priority Applications (1)

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CN202020259135.0U CN212139278U (en) 2020-03-05 2020-03-05 Split type closed circulation heat pump tobacco flue-curing barn

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CN202020259135.0U CN212139278U (en) 2020-03-05 2020-03-05 Split type closed circulation heat pump tobacco flue-curing barn

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113834311A (en) * 2021-09-18 2021-12-24 贵州省烟草科学研究院 Dehumidification device in small experimental curing barn and control method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113834311A (en) * 2021-09-18 2021-12-24 贵州省烟草科学研究院 Dehumidification device in small experimental curing barn and control method thereof
CN113834311B (en) * 2021-09-18 2023-11-21 贵州省烟草科学研究院 Dehumidification device in small test curing barn and control method thereof

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