A heating non-combustion cigarette air conditioner for secondary utilization of air supply in a cigarette factory

Abstract

The utility model discloses a kind of heating non-combustible cigarette air conditioners of cigarette factory air supply secondary utilization, including air conditioner box, its one side is respectively connected with fresh air valve, pass through regenerative heating inlet valve, regenerative exhaust valve and return air valve, air conditioner box inside is sequentially provided with primary filter, pre-cooler, dehumidification runner etc. along main air supply path;Dehumidification runner is driven connection with dehumidification runner motor;Air conditioner box air outlet is connected with air supply air duct by fan;Air supply air duct is divided into two ways, one way leads to production workshop, another way connects regenerative heating secondary air supply air duct;Regenerative heating secondary air supply air duct end connects regenerative heater, regenerative heater corresponds with the upper half of dehumidification runner;Workshop is equipped with workshop temperature and humidity probe, and it is electrically connected with controller, controller controls each air valve, motor and functional component.This application realizes heating non-combustible cigarette production environment low temperature and low humidity accurate control, saves regenerative heating steam consumption, reduces energy consumption and economic cost, and has strong popularization.

Description

Technical Field

[0001] This utility model relates to the field of industrial air supply and air conditioning technology, and in particular to a heated non-combustible cigarette air conditioner for secondary utilization of air supply in cigarette factories. Background Technology

[0002] Heated tobacco products are a new type of product launched by tobacco manufacturers in recent years, and they have achieved good sales results in both domestic and international markets. Because the production environment for heated tobacco products has extremely strict requirements for temperature and humidity, demanding low temperature and low humidity, the process requirements and standards for the air conditioning system used in heated tobacco production are also relatively high. The typical workflow of traditional industrial air conditioning is as follows: fresh air from outside enters the air conditioning unit through a fresh air valve, then passes through filters, surface coolers, heaters, humidifiers, etc., to obtain supply air that meets the process standards for temperature and humidity, which is then delivered to the production workshop by a blower. However, traditional process air conditioning has an inherent drawback: it cannot maintain a low temperature under low humidity conditions, or it cannot maintain a low relative humidity under low temperature conditions. When the low temperature requirement is met, the relative humidity of the air conditioning unit will be too high, so dehumidification is achieved through heating. However, heating requires a large amount of steam, resulting in significant energy consumption.

[0003] Therefore, there is an urgent need for an industrial air conditioner that can guarantee the air supply temperature and maintain the air supply humidity. At the same time, this air conditioner should be able to take beneficial measures to reduce energy consumption and meet the low-temperature and low-humidity production environment required for the production of heated non-combustible cigarettes. Utility Model Content

[0004] The technical problem to be solved by this utility model is to provide a heated non-combustible cigarette air conditioner that utilizes the secondary air supply in cigarette factories. It adopts a modular design, with the controller as the center, combined with a rotary wheel, a regenerative heating secondary air supply duct, a surface cooler, a heater, a shut-off valve, and an electric valve. It not only achieves precise output of temperature and humidity for low-temperature and low-humidity air supply, ensuring the temperature and humidity of the heated non-combustible cigarette production environment, but also the secondary utilization design of the air supply can effectively save steam consumption in the regenerative heating section.

[0005] The technical problem to be solved by this utility model is achieved through the following technical solution:

[0006] A heated non-combustible cigarette air conditioner for secondary air supply in a cigarette factory includes an air conditioning unit. One side of the unit is connected to a fresh air valve, a regenerative heating air inlet valve, a regenerative exhaust valve, and a return air valve. Inside the air conditioning unit, along the main air supply path, are sequentially arranged a primary filter, a pre-cooler, a dehumidifying impeller, a high-efficiency filter, a surface cooler, a heater, and a steam humidifier. The dehumidifying impeller is driven by a dehumidifying impeller motor. The air outlet of the air conditioning unit is connected to an air supply duct via a fan driven by a main motor. The air supply duct is divided into two paths: one leads to the production workshop, and the other connects to the regenerative heating secondary air supply duct. The end of the regenerative heating secondary air supply duct is connected to a regenerative heater via a regenerative heating air inlet valve. The regenerative heater corresponds to the upper part of the dehumidifying impeller to dry the moisture on the impeller and discharge it to the outside of the air conditioning unit via the regenerative exhaust valve. A workshop temperature and humidity probe is installed inside the workshop. The workshop temperature and humidity probe is electrically connected to a controller, which is electrically connected to each air valve, motor, and functional component.

[0007] Preferably, the above technical solution further includes: a surface cooling circulation system, which includes a circulating water tank, a water collector, a water collector outlet shut-off valve, a booster pump, an air-cooled unit, a water distributor inlet shut-off valve, and a water distributor connected in sequence; the water distributor is connected to the surface cooling valve and the pre-surface cooling valve respectively through the water distributor supply shut-off valve, the surface cooling valve is connected to the water inlet of the surface cooler, and the pre-surface cooling valve is connected to the water inlet of the pre-surface cooler; the water outlets of the surface cooler and the pre-surface cooler are connected to the water collector through the surface cooler return water shut-off valve; a bypass valve is also provided between the water distributor and the water collector to form a cooling water bypass circuit.

[0008] Preferably, the above technical solution further includes: a steam supply system, the steam supply system including a steam main pipe, the steam main pipe being divided into three branches, the first branch being connected to the steam humidifier through a steam humidification valve, the second branch being connected to the heater through a heating valve, and the third branch being directly connected to the regeneration heater.

[0009] Preferably, in the above technical solution, the surface of the dehumidifying impeller is a honeycomb-shaped silicone moisture-absorbing material, the lower half of which is located in the dehumidification zone of the main air supply path, and the upper half of which is located in the regeneration zone of the regeneration heating secondary air supply duct. The dehumidifying impeller is driven by a motor to achieve cyclic dehumidification and regeneration.

[0010] Preferably, in the above technical solution, the controller is electrically connected to the fresh air valve, the return air valve, the regenerative heating air inlet valve, and the regenerative exhaust valve, and can adjust the opening degree of each air valve according to the detection signal of the workshop temperature and humidity probe.

[0011] Preferably, in the above technical solution, the controller is electrically connected to the dehumidifying rotary motor and the main motor, and can adjust the operating parameters of each motor according to the system operation requirements.

[0012] Preferably, in the above technical solution, the controller is electrically connected to the air-cooled unit, the surface cooling valve, the pre-surface cooling valve, the steam humidification valve, and the heating valve, and can coordinately regulate the temperature and humidity parameters of the system.

[0013] Preferably, in the above technical solution, the connection point between the regenerative heating secondary air supply duct and the air supply duct is located downstream of the fan outlet, ensuring that the secondary air supply has sufficient pressure.

[0014] The above-mentioned technical solution of this utility model has the following beneficial effects:

[0015] This utility model patent features a modular design, resulting in a simple structure, easy installation, and readily achievable desired effects. Centered on a controller, when the temperature and humidity probes in the heated tobacco production workshop detect abnormal temperature and humidity data, the data is transmitted to the controller, which then controls the operation of a series of components, including electric valves, air valves, and motors.

[0016] This application innovatively uses a rotary dehumidifier, placing it in two zones: an air supply zone where the rotary wheel dehumidifies the supplied air, and a regeneration heating zone where the rotary wheel is dried before rotating into the other zone for repeated dehumidification. The regeneration heating zone recirculates the heated supplied air from the air conditioner outlet, effectively saving steam consumption. Traditional air conditioners cannot maintain low temperatures under low humidity conditions, or maintain low relative humidity under low temperatures.

[0017] This application solves the aforementioned problems and innovatively utilizes the secondary air supply to enter the regenerative heating zone. This effectively controls the low temperature and low humidity process standards of the heating and non-combustion cigarette factory production environment, saves energy, reduces economic consumption, and has strong potential for widespread application. Attached Figure Description

[0018] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments of the present invention and, together with their description, serve to explain the principles of the present invention.

[0019] Figure 1 A schematic diagram of a heated non-combustible cigarette air conditioner that provides secondary air supply for cigarette factories.

[0020] Figure 2 This is a schematic diagram of the control logic structure.

[0021] The components are: 1-Fresh air valve, 2-Primary filter, 3-Regenerative heating air duct, 4-Regenerative heating air inlet valve, 5-Regenerative heating secondary air supply duct, 6-Regenerative heater, 7-Regenerative heater steam pipe, 8-Dehumidifier rotor, 9-Dehumidifier rotor motor, 10-Regenerative exhaust valve, 11-Return air valve, 12-High-efficiency filter, 13-Cooler valve, 15-Cooler, 16-Heater pipe, 17-Heater, 18-Heating valve, 19-Steam humidifier, 20-Steam humidifier valve. 21-Main motor, 22-Fan, 23-Air supply duct, 24-Water supply shut-off valve for distributor, 25-Water inlet shut-off valve for distributor, 26-Distributor, 27-Air-cooled unit, 28-Bypass valve, 29-Booster pump, 30-Water collector, 31-Return water shut-off valve for surface cooler, 32-Outlet water shut-off valve for water collector, 33-Pre-cooling valve, 34-Circulating water tank, 35-Pre-cooling unit, 36-Air conditioning unit, 37-Steam main pipe, 38-Workshop temperature and humidity probe, 39-Controller. Detailed Implementation

[0022] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that, unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps set forth in these embodiments do not limit the scope of the present invention.

[0023] This application adopts a modular design, with the controller as the center, combined with a rotary wheel, regenerative heating secondary air supply duct, surface cooler, heater, shut-off valve, and electric valve. It not only achieves precise output of temperature and humidity of low-temperature and low-humidity air supply, ensuring the temperature and humidity of the heated non-combustible cigarette production environment, but also the secondary utilization design of the air supply can effectively save steam consumption in the regenerative heating section.

[0024] like Figure 1As shown, when this energy-saving heated non-combustible cigarette air conditioner with secondary air supply is operating normally (with the airflow direction as the lead direction), fresh air from outside enters the air conditioning unit 36 ​​through the fresh air valve 1, passes through the pre-filter 2 to filter out larger particles. Then, it undergoes preliminary cooling through the pre-cooler 35, followed by dehumidification through the dehumidifying impeller 8. The dehumidifying impeller 8 is driven to rotate by the dehumidifying impeller motor 9, and its surface is made of honeycomb-shaped silicone moisture-absorbing material, effectively absorbing moisture from the air supplied to the unit and reducing humidity. The air supplied through the dehumidifying impeller 8 continues forward. Then, the return air from the workshop enters the air conditioning unit 36 ​​through the return air valve 11, mixes with the supplied air, and enters the high-efficiency filter 12 to filter out finer dust particles. After filtration by the filter 12, it then passes through the surface cooler 15 and the heater 17 for cooling or heating. Afterwards, the air is humidified and heated by the steam humidifier 19. After this series of processes, the air is delivered to the air duct by the fan 22 driven by the main motor 21. A small portion of the air is delivered to the secondary air duct 5 for regeneration heating, and most of the air is delivered to the heated non-combustible cigarette production workshop to regulate the ambient temperature and humidity. This is the main air supply process of the heated non-combustible cigarette air conditioner.

[0025] The regenerative heating process is as follows: The supply air entering the secondary supply air duct 5 for regenerative heating passes through the regenerative heating inlet valve 4 and enters the regenerative heating zone. After entering the regenerative heating zone, the supply air passes through the regenerative heater 6 to raise its temperature, then dries the moisture on the dehumidifying rotor 8, and finally exits to the outside of the air conditioning unit through the regenerative exhaust valve 10. That is to say, part of the airflow from the main supply air duct enters the regenerative heating inlet valve 4 through the regenerative heating air duct 3, while the steam pipe 7 of the regenerative heater introduces steam into the regenerative heater 6; after being heated in the regenerative heater, the airflow flows through the upper part of the dehumidifying rotor (regenerative zone), carrying away the moisture adsorbed by the rotor, and finally exits through the regenerative exhaust valve 10, completing the regeneration process of the dehumidifying rotor. The dehumidifying rotor 8 is distributed in two zones. The lower part is used for dehumidification in the main supply air process, and the upper part is located in the regenerative heating zone, where it is dried by the secondary supply air that has been heated again by the regenerative heater 6. After drying, the rotor continues to rotate to the lower part for further dehumidification. The dehumidifying rotor 8 rotates continuously, repeatedly cycling between dehumidification and drying. A small portion of the supply air branching off from the air duct 23 has a temperature of around 22°C, which is much higher than the outside fresh air temperature in winter and spring / autumn. Therefore, this portion of supply air entering the regeneration heating secondary supply air duct 5 saves a significant amount of steam consumption from the regeneration heater 6 compared to directly using outside fresh air. This steam is then used for drying the dehumidifying rotor 8. After drying, the secondary supply air from the dehumidifying rotor 8 is discharged outside the air conditioning unit through the regeneration exhaust valve 10.

[0026] The cooling water flow path is as follows: Circulating water is replenished from the circulating water tank 34 into the water collector 30. The cooling water inside the water collector 30 enters the pipeline through the water collector outlet shut-off valve 32, and then is pressurized by the booster pump 29 before entering the air-cooled unit 27. The air from the air-cooled unit 27 is used to cool the water. After exiting the air-cooled unit 27, the cooling water flows through the distributor inlet shut-off valve 25 into the distributor 26. After entering the distributor 26, the cooling water enters the cooling water pipeline through the distributor supply shut-off valve 24, and then flows through the cooling water valve 13 and the pre-cooling water valve 33 respectively, entering the pre-cooling water heater 35 and the cooling water heater 15 for cooling. After exiting these two cooling water heaters, it flows through the cooling water return shut-off valve 31 and enters the water collector 30. A bypass valve 28 is installed between the distributor 26 and the water collector 30 for bypass pressure relief and other purposes.

[0027] The steam flow is as follows: Steam passes through the steam main pipe 37, and then part of it passes through the steam humidification valve 20 to enter the steam humidifier 19 for heating and humidification. Another part passes through the heating valve 18 to enter the heater 17 for heating, and the last part enters the regeneration heater 6 for drying the rotor.

[0028] The control logic of the air conditioner is as follows: After the workshop temperature and humidity probe 38 receives the temperature and humidity data, it transmits the signal to the controller 39. Then, the controller 39 takes corresponding control measures on the above-mentioned air valve, motor, electric valve, air-cooled unit, etc. according to the signal.

[0029] Although the present invention has been disclosed above with reference to embodiments, it is not intended to limit the present invention. Any person skilled in the art can make various different choices and modifications without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention is defined by the claims and their equivalents.

Claims

1. A heated non-combustible cigarette air conditioner for secondary air supply in a cigarette factory, characterized in that, The system includes an air conditioning unit (36), one side of which is connected to a fresh air valve (1), a regenerative heating air inlet valve (4), a regenerative exhaust valve (10), and a return air valve (11). Inside the air conditioning unit (36), along the main air supply path, are arranged a primary filter (2), a pre-cooler (35), a dehumidifying impeller (8), a high-efficiency filter (12), a surface cooler (15), a heater (17), and a steam humidifier (19). The dehumidifying impeller (8) is driven by a dehumidifying impeller motor (9). The air outlet of the air conditioning unit (36) is connected to the air supply duct (23) via a fan (22), which is driven by a main motor (21). The air duct (23) is divided into two paths, one leading to the production workshop and the other connecting to the regeneration heating secondary air supply duct (5); the end of the regeneration heating secondary air supply duct (5) is connected to the regeneration heater (6) through the regeneration heating air inlet valve (4), and the regeneration heater (6) corresponds to the upper part of the dehumidification wheel (8) to dry the moisture on the dehumidification wheel (8) and discharge it to the outside of the air conditioning unit (36) through the regeneration exhaust valve (10); the workshop is equipped with a workshop temperature and humidity probe (38), the workshop temperature and humidity probe (38) is electrically connected to the controller (39), and the controller (39) is electrically connected to each air valve, motor and functional component respectively.

2. The heated non-combustible cigarette air conditioner for secondary utilization of air supply in cigarette factories according to claim 1, characterized in that, Also includes: The surface cooling circulation system includes a circulating water tank (34), a water collector (30), a water collector outlet valve (32), a booster pump (29), an air-cooled unit (27), a water distributor inlet valve (25), and a water distributor (26) connected in sequence. The water distributor (26) is connected to the surface cooling valve (13) and the pre-surface cooling valve (33) through the water distributor supply valve (24). The surface cooling valve (13) is connected to the inlet end of the surface cooler (15), and the pre-surface cooling valve (33) is connected to the inlet end of the pre-surface cooler (35). The outlet ends of the surface cooler (15) and the pre-surface cooler (35) are connected to the water collector (30) through the surface cooler return water valve (31). A bypass valve (28) is also provided between the water distributor (26) and the water collector (30) to form a cooling water bypass circuit.

3. The heated non-combustible cigarette air conditioner for secondary utilization of air supply in cigarette factories according to claim 1, characterized in that, Also includes: The steam supply system includes a steam main pipe (37), which is divided into three paths: the first path is connected to the steam humidifier (19) through a steam humidification valve (20); the second path is connected to the heater (17) through a heating valve (18); and the third path is directly connected to the regeneration heater (6). 4.The air conditioner for a heat-not-burn cigarette using secondary utilization of a factory air of a cigarette factory according to claim 1, wherein The surface of the dehumidifying impeller (8) is made of honeycomb-shaped silicone moisture-absorbing material. Its lower half is located in the dehumidification zone of the main air supply path, and its upper half is located in the regeneration zone of the regeneration heating secondary air supply duct (5). The dehumidifying impeller motor (9) drives the dehumidifying impeller to achieve cyclic dehumidification and regeneration. 5.The air conditioner for a heat-not-burn cigarette using secondary utilization of a factory air of a cigarette factory according to claim 1, wherein The controller (39) is electrically connected to the fresh air valve (1), the return air valve (11), the regenerative heating air inlet valve (4), and the regenerative exhaust valve (10), and can adjust the opening of each air valve according to the detection signal of the workshop temperature and humidity probe (38).

6. The heated non-combustible cigarette air conditioner for secondary utilization of air supply in cigarette factories according to claim 1, characterized in that, The controller (39) is electrically connected to the dehumidifying rotary motor (9) and the main motor (21), and can adjust the operating parameters of each motor according to the system operation requirements. 7.The air conditioner for a heat-not-burn cigarette using secondary utilization of a ventilation air of a cigarette factory according to claim 1, wherein The controller (39) is electrically connected to the air-cooled unit (27), the surface cooling valve (13), the pre-surface cooling valve (33), the steam humidification valve (20), and the heating valve (18), and can coordinately regulate the temperature and humidity parameters of the system. 8.The air conditioner for a heat-not-burn cigarette using secondary utilization of a ventilation air of a cigarette factory according to claim 1, wherein, The connection point between the regenerative heating secondary air supply duct (5) and the air supply duct (23) is located downstream of the air outlet of the fan (22) to ensure that the secondary air supply has sufficient pressure.

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