CN203234016U - Moisture-heat-removing recycling multi-purposed type heat pump barn used for tobacco baking - Google Patents

Abstract

The utility model discloses a multi-purpose heat pump barn for dehumidification and heat recovery of flue-cured tobacco with heat roasting, dehumidification and drying technology. A heat pump condenser and a condenser circulation fan are installed in the heating room of the drying room, so that the heating room of the drying room and the drying room are combined to form a circulating air flow. Next to the heating room of the drying room, there is an integrated heat pump host for dehumidification and recovery of waste heat , so that the circulating airflow formed in the barn and the heating room of the barn flows through the inside of the heat pump host. The integrated heat pump host is connected with the barn and the heating room of the barn, so that the circulating air flows through the heat pump host, and the waste heat cross exchange and waste heat recovery are carried out inside the heat pump host; the integrated structure is adopted, the design is novel, the installation is simple, convenient and flexible It is also environmentally friendly, safe and reliable, can be used conveniently around the clock, has a wide range of applications, and is in line with the energy-saving and consumption-reducing policies advocated by the state.

Description

Dehumidification heat recovery multi-purpose heat pump barn for flue-cured tobacco

technical field

The utility model relates to heat drying, dehumidification and drying technology, in particular to a heat pump barn, in particular to a multipurpose heat pump barn for dehumidification heat recovery of flue-cured tobacco.

Background technique

Today, when global energy is scarce, with the increasing awareness of energy conservation and environmental protection, we strive to create a superior living environment for everyone, but high energy consumption and high pollution are also issues that cannot be ignored. From the early coal-fired baking and electric heating, these are all due to various reasons, and their disadvantages can not achieve the goals of energy saving and environmental protection advocated now. Because there is infinite energy in the atmosphere, according to the reverse Carnot cycle principle, low-temperature heat energy is absorbed from the atmosphere, and we use it reasonably to evolve it into the energy we need. After years of continuous reform and innovation, the air source has been born. It is one of the thermal energy products that truly achieve energy saving and zero pollution.

However, the traditional baking technology still mostly uses the convenience of electric heating and coal-fired baking, which affects the discovery of air energy. The traditional baking room has the following disadvantages: 1) low energy utilization rate and serious heat loss; 2) insufficient heat generation, which seriously affects work efficiency; 3) heat pump baking room has complex structure, too many peripheral parts, and There are many safety hazards; 4) The heating source is unstable, and it cannot supply heat for a long time, which affects the baking quality; 5) The heat source has an impact on the environment and does not meet the emission reduction standards of the same family.

The inventors of the present invention solve the above defects and design a multi-purpose heat pump barn for dehumidification heat recovery for flue-cured tobacco. Compared with traditional coal-fired and electric hot water baking products, it is not only safe but also energy-saving and environmentally friendly. It is widely used in agricultural baking, breeding constant temperature, industrial drying and other fields.

Utility model content

     The purpose of this utility model is to solve the above defects and provide a heat pump barn with an integrated heat pump host, which can automatically control the barn according to the temperature and humidity, and truly achieve temperature rise, dehumidification, dehumidification and ventilation for flue-cured tobacco. The dehumidification heat recovery multi-purpose heat pump barn has beautiful appearance, intelligent control, high efficiency and energy saving, high-end configuration, low temperature operation, all-round protection, and high intelligence model, and its effect is remarkable.

The purpose of this utility model is achieved in the following ways:

The dehumidification heat recovery multi-purpose heat pump barn for flue-cured tobacco is mainly used in the field of cured tobacco, and can also be used in agricultural roasting, breeding constant temperature, industrial drying and other fields. It includes a barn with brackets and a barn heating room close to the barn and connected to the barn. The barn heating room is equipped with a heat pump condenser and a condenser circulation fan, so that the barn heating room and the barn are combined to form a Circulating air flow, next to the heating chamber of the barn, there is an integrated heat pump main unit for dehumidification and recovery of waste heat, and the heat pump working fluid connection pipe is used to connect the heat pump main unit and the barn. Air outlet, the air inlet communicates with the lower side of the oven heating room, and the upper side of the heat pump host is provided with an air outlet, which communicates with the upper side of the oven heating room, so that the air formed in the oven and the oven heating room The circulating air flows through the inside of the heat pump main unit, so that the circulating air can enter the fresh air and dehumidify after passing through the heat pump main unit, and the waste heat recovered during dehumidification can be exchanged with the fresh air. The barn of the utility model is specially designed for roasting shredded tobacco.

Preferably, the interior of the heat pump host is divided into four cavities by two partitions, which are divided into upper and lower layers, which are respectively an upper cavity and a lower cavity, and each of the upper cavity and the lower cavity has two cavities , the lower cavity is respectively provided with a dehumidification evaporator and a heat recovery device, and a new air door connected to the atmosphere is provided on the side of the lower layer. There is also an air duct between the evaporator and the heat recovery unit. The upper cavity is respectively equipped with a compressor and a dehumidification internal circulation fan. The dehumidification internal circulation fan is located next to the air outlet and above the heat recovery unit. A communication port is provided between the fan and the heat recovery device, and a dehumidification louver is provided on the side where the communication port is located.

Preferably, the heat recovery device is a four-way structure that does not interfere with each other, and the heat recovery device is installed at an angle of 45 degrees to the ground, so that the airflow entering from the air inlet flows through the heat recovery device and the dehumidification evaporator in the lower cavity , and form a circulating airflow in the lower cavity.

Preferably, the connecting pipe of the heat pump working medium is integrated with the heating chamber of the barn. The heating room of the barn is connected.

As a preference, a humidity sensor is also provided on the dehumidification louver, so that the dehumidification louver can be switched intelligently according to the humidity sensed by the humidity sensor.

Preferably, a humidity sensor and a pressure sensor are also provided in the barn, and the humidity sensor and the pressure sensor are connected with an intelligent control switch, and the intelligent control switch can intelligently control the heat pump host and the heat pump condenser.

Preferably, the heating chamber of the barn is divided into a descending structure and an ascending structure, the condenser circulation fan of the descending structure is arranged above the heat pump condenser, and the condenser circulation fan of the ascending structure is arranged at Below the heat pump condenser.

As a preference, a barn feed door is provided on the back side of the barn. The barn feed door is a fully sealed structure. After closing, it is separated from the outside world and does not affect the normal work of the barn.

As a preference, a manual dehumidification door for dehumidification is also provided on the rear side of the barn, and manual dehumidification can be performed through the manual dehumidification door when the dehumidification louver fails.

As a preference, there is also an inspection window on the side of the heating chamber of the barn for easy inspection at any time.

The baking and heating process of the utility model is as follows: firstly, the heat pump host is turned on, and the condenser circulation fan is also turned on at the same time, and the low-grade heat outside the barn is transferred to the heat pump condenser through the heat pump working fluid connection pipe under the operation of the heat pump host. Then, under the action of the condenser circulation fan, the heat in the heat pump condenser is blown to the barn. Finally, under the action of the condenser circulating fan, the air generated in the heating room of the barn and the barn is circulated through the heat pump condenser to raise the temperature. When the baking room is heating and baking materials in a cycle, the relative humidity will also increase with the increase of the temperature of the drying room. When the humidity of the drying room exceeds the setting, the system will execute the following process.

The fresh air door in the heat pump host is opened, and the dehumidification internal circulation fan is turned on at the same time. Under the action of the dehumidification internal circulation fan, the low-temperature fresh air outside the barn is sucked in. The fan passes through the air outlet and blows to the heating chamber of the barn to mix with the humid air in the barn. At this time, due to the new air entering and mixing in the barn, a positive pressure will be formed in the barn. At this time, the mixed high-temperature and humid air passes through the air inlet and then through the heat recovery device under the action of the positive pressure of the barn. The low-temperature fresh air from outside the room is used for heat exchange, and then the waste heat is recovered through the dehumidification louvers and discharged out of the barn. At this time, the heat pump host again absorbs the waste heat discharged from the dehumidification louvers to increase the heat absorption in the heat pump main unit, so that the waste heat discharged from the dehumidification louvers will be fully utilized to improve the efficiency of the entire system. When the baking room heats and bakes materials in a cycle, the relative humidity will increase as the temperature of the drying room increases. When the humidity in the barn exceeds the setting, the system will perform the dehumidification process.

The heat pump host is turned on to the dehumidification mode, enters the dehumidification process, turns on the dehumidification internal circulation fan, and under the action of the dehumidification internal circulation fan, the high-temperature and humid air in the barn is sucked in through the air inlet. After passing through the heat recovery device for cooling and cooling, it is blown to the dehumidification evaporator through the air duct for another heat exchange. When the humid air encounters a lower dehumidification evaporator, it will be condensed into water and discharged, and the low-temperature dry air after dehumidification The high-temperature and humid air sucked by the heat recovery device and the air inlet is exchanged, and then the dehumidification internal circulation fan is blown to the heating chamber of the barn through the air outlet to mix with the air in the barn. At this time, the high temperature and humid air in the barn will be continuously dehumidified, thereby reducing the humidity of the air in the barn.

The beneficial effects produced by the utility model are: 1) The integrated heat pump host is connected with the barn and the heating room of the barn, so that the circulating air flows through the heat pump host, and waste heat cross exchange and waste heat recovery are performed inside the heat pump host. 2) It has good applicability and humanized design. It can automatically control the barn according to the temperature and humidity, and truly achieve heating, dehumidification, dehumidification, and ventilation. 3) Compared with traditional coal-fired and electric hot water baking products, it is not only safe but also energy-saving and environmentally friendly. 4) It is convenient to use all-weather and has a wide range of applications, which is in line with the national policy of energy saving and consumption reduction. 5) It adopts one-piece structure, novel design, simple and convenient installation, and strong flexibility. 6) The installation method can be ascending or descending, both of which can be adapted to bakery products with different requirements. 7) Beautiful appearance, intelligent control, convenient operation, high efficiency and energy saving, high-end configuration, low-temperature operation, all-round protection, high-intelligence models, the effect is remarkable. 8) Moreover, it is green and environmentally friendly, safe and reliable, can be used conveniently around the clock, has a wide range of applications, and is in line with the energy-saving and consumption-reducing policies advocated by the state.

Description of drawings

Figure 1 is a schematic diagram of the three-dimensional structure of the utility model;

Figure 2 is a schematic diagram of the internal plane structure of the utility model;

Figure 3 is a schematic diagram of the internal plane structure of the heat pump host of the present invention;

Figure 4 is a front view of the utility model;

Figure 5 is a rear view of the utility model;

In the figure, the direction of the arrow is the flow direction of the airflow, (1) heat pump main unit, (2) heating chamber of the barn, (3) heat pump condenser, (4) condenser circulating fan, (5) heat pump working medium connection pipe, ( 6) New air door, (7) Air duct, (8) Dehumidification evaporator, (9) Barn, (10) Dehumidification louvers, (11) Heat recovery device, (12) Dehumidification internal circulation fan, (13) Maintenance Window, (14) barn inlet door, (15) manual dehumidification door, (16) air inlet, (17) air outlet.

Detailed ways

Below in conjunction with accompanying drawing and specific embodiment the utility model is described in further detail.

In this embodiment, referring to Fig. 1 and Fig. 2, the dehumidification heat recovery multi-purpose heat pump barn for flue-cured tobacco includes a barn (9) with brackets and a barn (9) close to the barn (9) and connected to the barn (9) The connected barn heating room (2), the barn heating room (2) is equipped with a heat pump condenser (3) and a condenser circulation fan (4), and the condenser circulation fan (4) is located in the heat pump condenser (3) The top, so that the oven heating chamber (2) and the oven (9) are combined to form a circulating air flow, and the integrated heat pump main unit (1) for dehumidification and recovery of waste heat is attached next to the oven heating chamber (2) , and the heat pump working medium connecting pipe (5) is used to connect the heat pump host (1) and the barn (9). The lower side of the oven heating chamber (2) is connected, and the upper side of the heat pump host (1) is provided with an air outlet (17), and the air outlet (17) communicates with the upper side of the oven heating chamber (2), so that the The circulating air flow formed in the heating room (2) of the heating room and the barn flows through the heat pump host (1), so that the circulating air flows through the heat pump host (1) and then enters fresh air and dehumidifies, and recovers the waste heat during dehumidification Do heat exchange with fresh air. The barn heating chamber (2) is divided into a descending structure and an ascending structure, and the barn heating chamber (2) adopted in this embodiment is a descending structure.

In addition, referring to Fig. 2 and Fig. 3, the heat pump host (1) is divided into four cavities by two partitions, which are divided into upper and lower layers, which are respectively the upper cavity and the lower cavity. Each cavity has two cavities, and the lower cavity is respectively provided with a dehumidification evaporator (8) and a heat recovery device (11), and a new air door (6) connected to the atmosphere is provided on the side of the lower layer, and the dehumidification evaporator ( 8) It is located between the fresh air door (6) and the heat recovery device (11), and it is a connected structure. There is also an air duct (7) between the dehumidification evaporator (8) and the heat recovery device (11). The cavity is respectively provided with a compressor and a dehumidification internal circulation fan (12). The dehumidification internal circulation fan (12) is arranged next to the air outlet (17) and above the heat recovery device (11). ) and the heat recovery device (11) are provided with a communication port, and a dehumidification louver (10) is provided on the side where the communication port is located. The heat recovery device (11) is a four-way structure that does not interfere with each other. The heat recovery device (11) is installed at an angle of 45 degrees to the ground, so that the airflow entering from the air inlet (16) flows through the heat recovery in the lower cavity. device (11) and dehumidification evaporator (8), and form a circulating air flow in the lower cavity. The heat pump working medium connecting pipe (5) is integrated with the barn heating chamber (2), one end of the heat pump working medium connecting pipe (5) communicates with the lower cavity of the heat pump host (1), and the other end is attached to the The surface of the oven heating chamber (2) is communicated with the oven heating chamber (2).

Referring to Fig. 4 and Fig. 5, the back side of the barn (9) is provided with a barn feeding door (14). The barn barn feeding door (14) is a fully sealed structure, which is separated from the outside after being closed and does not affect the baking room. The room works fine. The rear side of the barn (9) is also provided with a manual moisture discharge door (15) for moisture discharge. When the moisture discharge louver fails, manual moisture discharge can be performed through the manual moisture discharge door (15). The side of the heating chamber (2) of the barn is also provided with an inspection window (13) for easy inspection at any time.

The baking and heating process of the utility model is as follows: first, the heat pump host (1) is turned on, and the condenser circulation fan (4) is also turned on at the same time, and the low-grade heat outside the baking room (9) is heated under the work of the heat pump host (1). The heat in the heat pump condenser (3) is blown to the barn (9) under the action of the condenser circulation fan (4). Finally, under the action of the condenser circulating fan (4), the air generated in the heating room (2) and the drying room (9) is circulated through the heat pump condenser (3) to raise the temperature. When the baking room (9) heats and bakes materials in a cycle, the relative humidity will increase as the temperature of the drying room (9) increases. When the humidity of the drying room (9) exceeds the set value, the system will execute the following process.

The fresh air door (6) inside the heat pump host (1) is opened, and the dehumidification internal circulation fan (12) is turned on at the same time, and the low-temperature fresh air outside the barn (9) is sucked in by the dehumidification internal circulation fan (12), After the door (6) heat recovery device (11) performs cold and heat exchange and heats up, the dehumidification internal circulation fan (12) passes through the air outlet (17) and blows the humid air in the heating chamber (2) and the oven (9) of the oven mix. At this time, due to the new air entering and mixing in the oven, positive pressure will be formed in the oven (9). At this time, the mixed high-temperature and humid air passes through the air inlet (16) under the positive pressure of the oven (9). Then heat exchange with the low-temperature fresh air from the outside of the house in a crossing manner through the heat recovery device (11), and then recover the waste heat through the dehumidification shutters (10) and discharge it out of the barn (9). At this time, the heat pump main unit (1) absorbs the waste heat discharged from the dehumidification louvers (10) again to increase the heat absorption inside the heat pump main unit (1), so that the waste heat discharged from the dehumidification louvers (10) will be fully utilized to provide a complete set of The system improves efficiency. When the baking room (9) heats and bakes materials in circulation, the relative humidity will also increase as the temperature of the baking room (9) increases. When the humidity in the barn (9) exceeds the setting, the system will execute the dehumidification process.

Turn on the heat pump host (1) to the dehumidification mode, enter the dehumidification process, turn on the dehumidification internal circulation fan (12), and under the action of the dehumidification internal circulation fan (12), the high-temperature and humid air in the barn (9) will pass through the air inlet ( 16) Inhalation. After passing through the heat recovery device (11) for cooling and cooling, it is blown to the dehumidification evaporator (8) through the air duct (7) for another heat exchange. When the humid air encounters the lower dehumidification evaporator (8), it will be absorbed Condensed into water and discharged, the dehumidified low-temperature dry air is then heated by the heat recovery device (11) and the high-temperature humid air inhaled by the air inlet (16), and then blown by the dehumidification internal circulation fan (12) through the air outlet (17) to The oven heating chamber (2) is mixed with the air in the oven (9). At this time, the high-temperature and humid air in the barn (9) will be dehumidified continuously, thereby reducing the humidity of the air in the barn (9).

The above content is a further detailed description of the utility model in conjunction with specific preferred embodiments, and it cannot be determined that the specific implementation of the utility model is only limited to these descriptions. For those of ordinary skill in the technical field to which the utility model belongs, on the premise of not departing from the concept of the utility model, some simple deduction or replacement can also be made, which should be regarded as the protection scope of the utility model.

Claims (2)

1. Multi-purpose heat pump barn for dehumidification heat recovery of flue-cured tobacco, including barn (9) with support and barn heating room (2) which is next to barn (9) and communicated with barn (9) , the oven heating chamber (2) is equipped with a heat pump condenser (3) and a condenser circulation fan (4), so that the oven heating chamber (2) and the oven (9) are combined to form a circulating air flow, which is characterized in that: Next to the heating chamber (2) of the barn, there is an integrated heat pump main unit (1) for dehumidification and recovery of waste heat, and the heat pump working medium connecting pipe (5) is used to connect the heat pump main unit (1) and the barn (9) ), the lower side of the heat pump host (1) is provided with an air inlet (16), and the air inlet (16) communicates with the lower side of the heating chamber (2) of the barn, and the upper side of the heat pump host (1) is provided with an outlet The air outlet (17), the air outlet (17) communicates with the upper side of the oven heating chamber (2), so that the circulating airflow formed in the oven (9) and the oven heating chamber (2) flows through the heat pump main unit ( 1) Inside. 2. The multi-purpose heat pump barn for dehumidification heat recovery for flue-cured tobacco according to claim 1, characterized in that: the heat pump host (1) is divided into four cavities by two partitions, which are divided into upper and lower layers , are the upper cavity and the lower cavity respectively, the upper cavity and the lower cavity each have two cavities, the lower cavity is respectively equipped with a dehumidification evaporator (8) and a heat recovery device (11), and the side of the lower layer There is a fresh air door (6) connected to the atmosphere. The dehumidification evaporator (8) is located between the fresh air door (6) and the heat recovery device (11), and is a connected structure. The upper cavity is respectively equipped with a compressor and a Dehumidification internal circulation fan (12), the dehumidification internal circulation fan (12) is set beside the air outlet (17), and above the heat recovery device (11), the dehumidification internal circulation fan (12) and the heat recovery device (11) ) is provided with a communication port, and a moisture-discharging louver (10) is provided on the side where the communication port is located. 3. The multi-purpose heat pump barn for dehumidification heat recovery for flue-cured tobacco according to claim 2, characterized in that: the heat recovery device (11) is a four-way structure that does not interfere with each other, and the heat recovery device (11) It is installed at 45 degrees to the ground, so that the airflow entering from the air inlet (16) flows through the heat recovery device (11) and the dehumidification evaporator (8) in the lower cavity, and forms a circulating airflow in the lower cavity. 4. The multi-purpose heat pump barn for dehumidification heat recovery for flue-cured tobacco according to claim 2, characterized in that: the heat pump working medium connecting pipe (5) and the barn heating chamber (2) are of an integrated structure, the One end of the heat pump working fluid connecting pipe (5) communicates with the lower cavity of the heat pump host (1), and the other end is attached to the surface of the oven heating chamber (2) and communicates with the oven heating chamber (2). 5. The multi-purpose heat pump barn for dehumidification heat recovery for flue-cured tobacco according to claim 2, characterized in that: the moisture-discharging louver (10) is also provided with a humidity sensor, so that the moisture-discharging louver (10) can Intelligent switching is performed according to the humidity sensed by the humidity sensor. 6. The multi-purpose heat pump barn for dehumidification heat recovery for flue-cured tobacco according to claim 1, characterized in that: the barn (9) is also equipped with a humidity sensor and a pressure sensor, and the humidity sensor and the pressure sensor are connected An intelligent control switch is provided, and the intelligent control switch can intelligently control the heat pump host (1) and the heat pump condenser (3). 7. The multi-purpose heat pump barn for dehumidification heat recovery for flue-cured tobacco according to claim 1, characterized in that: the barn heating chamber (2) is divided into a descending structure and an ascending structure, and the descending structure The condenser circulating fan (4) is arranged above the heat pump condenser (3), and the condenser circulating fan (4) of the ascending structure is arranged below the heat pump condenser (3). 8. The dehumidification heat recovery multi-purpose heat pump barn for flue-cured tobacco according to any one of claims 1 to 7, characterized in that: the barn (9) has a barn feed door (14) on the rear side . 9. The dehumidification heat recovery multi-purpose heat pump barn for flue-cured tobacco according to any one of claims 1 to 7, characterized in that: the back side of the barn (9) is also equipped with a manual dehumidification device for dehumidification door (15). 10. The dehumidification heat recovery multi-purpose heat pump barn for flue-cured tobacco according to any one of claims 1 to 7, characterized in that: the side of the barn heating chamber (2) is also equipped with an inspection window for easy maintenance at any time (13).

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