CN209295634U - A dual-energy agricultural and sideline product roasting device - Google Patents

Abstract

The utility model belongs to the field of food processing, in particular to a dual-energy agricultural by-product baking device. The device includes a heat exchange room and a baking room arranged next to the heat exchange room. The heat exchange room communicates with the baking room. The roasting heat source device includes a heat pump unit and an LPG combustion unit, wherein the heat pump unit is arranged under the outside of the heat exchange chamber, the LPG combustion unit is arranged under the heat exchange chamber, and the heat pump unit communicates with the heat exchange chamber through the heat pump circulating air inlet; use The dual heat source supply system dries agricultural and sideline products such as tobacco leaves, fruits and vegetables. Compared with the existing single-energy barn, it has the functions of saving energy, reducing emissions, improving quality and efficiency, and efficient utilization. In actual use, agricultural and sideline products in areas with limited energy There are multiple energy supply methods for baking, and at the same time, a backup energy can be used as a heat source in the event of a power outage or gas cut-off, so as to ensure the energy problem during the tobacco leaf curing period.

Description

A dual-energy agricultural and sideline product roasting device

technical field

The utility model belongs to the technical field of agricultural product processing, in particular to a dual-energy agricultural by-product baking device.

Background technique

Agricultural and sideline products usually contain a lot of water, which is inconvenient to store, transport and sell for a long time. It has certain seasonality. If it is dried, it can prevent mildew and death, maintain its use value, and extend Its shelf life, so drying processing is of great significance to agricultural and sideline products, not only can improve its value and quality, but also play a role in storage and sales promotion.

Existing drying equipment has certain limitations. For example, many drying equipment still use coal and other highly polluting fuels for baking, which pollutes the environment and is not conducive to environmental protection. At the same time, the efficiency of the drying equipment is still very high. At the same time, under extreme conditions, the energy supply is insufficient and cannot meet the needs of baking, so it needs to be improved again.

Contents of the invention

The purpose of the invention of this utility model is to solve the above-mentioned technical problems and provide a dual-energy agricultural and sideline product baking device. The device can use clean and efficient electric energy and LPG gas as the baking source. It has the advantages of environmental protection, low carbon, labor saving, etc., and the heat source is stable and the temperature is accurate, so that the final roasting quality of agricultural and sideline products is good.

In order to achieve the above object, the concrete technical scheme of the utility model is:

A dual-energy agricultural and sideline product baking device, comprising a heat exchange room and a baking room set beside the heat exchange room, the heat exchange room and the baking room are connected, and the heat exchange room includes a baking heat source device, an air induction device and a return air The moisture removal device, wherein the baking heat source device includes a heat pump unit and an LPG combustion unit, the heat pump unit is arranged below the outside of the heat exchange chamber, which is an external device; the LPG combustion unit is arranged below the heat exchange chamber, which is Built-in device; the heat pump unit communicates with the heat exchange chamber through the heat pump circulation air inlet; the air induction device includes a frequency conversion fan and a supplementary air fan; a supplementary air fan is installed on the left and right outside the heat exchange chamber, and is installed directly above the heat exchange chamber Baffles, set frequency conversion fans on the partitions (use different air volumes at different stages of baking, which can reduce power consumption and improve baking quality), and set up heat exchange room air outlets on the top of the connection between the heat exchange room and the baking room , the air return and dehumidification device includes an air return port and a moisture discharge channel, the return air port is provided under the heat exchange chamber, and the moisture discharge channel is provided under the heat exchange chamber.

The air induction device introduces the hot air generated in the baking heat source device into the baking room through the air outlet of the heat exchange room, and the return air dehumidification device transfers the circulating air and humid air in the baking room from the return air outlet below the heat exchange room and the two There are three dehumidification passages for circulation and discharge, and a make-up fan is installed on the left and right sides of the heat exchange chamber to supplement the air for baking.

The air induction plate is set above the frequency conversion fan, and the air induction plate is in an arc structure, which is convenient for circulation.

The LPG combustion unit in the baking heat source device is provided with an LPG unit combustion head, and the LPG unit combustion head is 40cm-50cm higher than the heat pump circulating air inlet in the heat pump unit.

Install the LPG combustion head isolation plate around the combustion head of the LPG unit, and the height of the LPG combustion head isolation plate is 0.5m. The LPG combustion head isolation plate can prevent hot air or flames from entering the moisture discharge port of the heat pump when using the LPG combustion unit, resulting in waste of heat sources.

The baking heat source device in this application integrates a heat pump unit and an LPG combustion unit, and uses a one-key switching device to realize instant switching between the heat pump system and the gas system. The switching device can be realized by adopting the existing technology.

The purpose of the return air dehumidification device: After the hot air circulates in the drying room, it enters the heating system through the return air outlet, and uses the waste heat to enter the drying room through the heating system and the induced air system. At the same time, according to the baking process of different agricultural and sideline products, when active dehumidification is required, the supplementary fan is started, and the moisture is discharged from the dehumidification channel through the dehumidification outlet.

The positive effect of the utility model is:

(1) The integrated heat pump and LPG combustion system are used as energy supply, and the thermal efficiency is higher. If automatic management is adopted, the control of the elevated temperature will be more precise.

(2) In the event of a power outage or gas cut-off, a backup energy source can be used as a heat source to ensure the energy problem during the tobacco leaf curing period.

(3) The use of green energy as the supply reduces the emission of pollutants, coupled with the improvement of the return air dehumidification system and the air induction system, it ensures the demand for the baking quality of agricultural and sideline products.

Description of drawings

Fig. 1 is a structural front view of the utility model baking equipment.

Fig. 2 is a top front view of the baking equipment of the present invention.

Fig. 3 is a structural side view panel of the baking equipment of the present invention.

Among them, 1-air induction plate, 2-frequency conversion fan, 3-supplement air fan, 4-LPG combustion head, 5-heat pump unit, 6-humidity exhaust duct, 7-LPG combustion head isolation plate, 8-LPG combustion Unit, 9-return air outlet, 10-heat pump circulation air inlet, 11-heat exchange chamber, 12-heat exchange chamber air outlet.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention more clear, the present invention will be described in further detail below in conjunction with specific embodiments, but this should not be construed as limiting the scope of the above subject of the present invention to the following examples.

A dual-energy agricultural and sideline product baking device, comprising a heat exchange room and a baking room set beside the heat exchange room, the heat exchange room and the baking room are connected, and the heat exchange room includes a baking heat source device, an air induction device and a return air The dehumidification device, wherein the baking heat source device includes a heat pump unit and an LPG combustion unit, wherein the heat pump unit is arranged below the outside of the heat exchange chamber and is an external device; the LPG combustion unit is arranged below the heat exchange chamber, It is a built-in device; the heat pump unit communicates with the heat exchange chamber through the heat pump circulation air inlet; the air induction device includes a frequency conversion fan and a supplementary air fan; a supplementary air fan is installed on the left and right sides of the heat exchange room, directly above the heat exchange room Set up partitions, set frequency conversion fans on the partitions (use different air volumes at different stages of baking, reduce power consumption and improve baking quality), and set up heat exchange room air outlets on the top of the connection between the heat exchange room and the baking room. The air return and dehumidification device includes an air return port and a moisture discharge channel, the return air port is provided under the heat exchange chamber, and the moisture discharge channel is provided under the heat exchange chamber.

The air induction device introduces the hot air generated in the baking heat source device into the baking room through the air outlet of the heat exchange room, and the return air dehumidification device transfers the circulating air and humid air in the baking room from the return air outlet below the heat exchange room and the two There are three dehumidification passages for circulation and discharge, and a make-up fan is installed on the left and right sides of the heat exchange chamber to supplement the air for baking.

The air induction plate is set above the frequency conversion fan, and the air induction plate is in an arc structure, which is convenient for circulation.

The LPG combustion unit in the baking heat source device is provided with an LPG unit combustion head, and the LPG unit combustion head is 40cm-50cm higher than the heat pump circulating air inlet in the heat pump unit.

Install the LPG combustion head isolation plate around the combustion head of the LPG unit, and the height of the LPG combustion head isolation plate is 0.5m. The LPG combustion head isolation plate can prevent hot air or flames from entering the moisture discharge port of the heat pump when using the LPG combustion unit, resulting in waste of heat sources.

The baking heat source device in this application integrates a heat pump unit and an LPG combustion unit, and uses a one-key switching device to realize instant switching between the heat pump system and the gas system. The switching means can be implemented using conventional techniques.

The purpose of the return air dehumidification device: After the hot air circulates in the drying room, it enters the heating system through the return air outlet, and uses the waste heat to enter the drying room through the heating system and the induced air system. At the same time, according to the baking process of different agricultural and sideline products, when active dehumidification is required, the supplementary fan is started, and the moisture is discharged from the dehumidification channel through the dehumidification outlet.

Example 1: Baking with LPG combustion unit

As shown in Figure 1 to Figure 3, when only LPG gas is used for baking, the LPG combustion unit is started, and the combustion head of the LPG unit heats the air in the heat exchange room, and the heated hot air is guided into the air by the arc-shaped air induction plate through the frequency conversion induced draft fan The drying room is used to bake the agricultural and sideline products to be dried. After the hot air circulates in the drying room, it enters the heating system through the air return port, and uses the waste heat to enter the drying room through the heating device and the air induction device. At the same time, according to the baking process of different agricultural and sideline products, when active dehumidification is required, the supplementary fan is started, and the moisture is discharged from the dehumidification channel through the dehumidification outlet.

Based on the above-mentioned technical characteristics of the baking equipment, by designing the combustion head of the LPG unit, the position height is 40cm-50cm higher than the return air outlet of the heat pump unit, and installing a 0.5M combustion isolation plate on the combustion head of the LPG unit to achieve complementary interference in the work of the dual-energy unit. The purpose of LPG combustion heating is to save energy and reduce consumption.

Based on the above-mentioned technical characteristics of the baking equipment, the air in the heat exchange chamber is introduced into the baking room through the design of the frequency conversion induced draft fan and the arc-shaped air induction plate. The design of this air guide can effectively meet the air volume requirements of different 50 baking, and make full use of the space of the heat exchange chamber, effectively reduce energy loss and improve the working efficiency of the equipment.

The baking equipment based on the above technical features, through the design of the air return port, supplementary fan, and moisture discharge port, adopts the independent design of the return air port and the moisture discharge port to reduce energy loss, and the enlarged return air port design improves energy utilization efficiency, and at the same time When dehumidification is required, the double supplementary fans on both sides will be activated actively, and the positive pressure will be used to discharge the humid air through the dehumidification channel, so as to effectively dehumidify and improve the baking quality of materials.

Embodiment 2:: use heat pump unit to bake

As shown in Figures 1 to 3, when only heat pump units are used to bake products: the LPG combustion unit in Example 1 is switched to heat pump units for baking, and the rest of the technical content is the same as above, and the ultimate goal can also achieve dual energy units complementary Interference, the purpose of heating energy saving, reducing consumption, improving quality and increasing efficiency.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the protection of the present invention. within range.

Claims (5)

1. a kind of Dual-energy source agricultural and sideline product apparatus for baking, the bakery being arranged including Heat Room and beside Heat Room, Heat Room It is connected to bakery, wherein Heat Room includes baking heat power supply device, blower unit and return air humidity-discharging device, it is characterised in that: institute The baking heat power supply device stated includes heat pump unit (5) and LPG burning unit (8), and wherein heat pump unit (5) is arranged outside Heat Room The lower section of side, LPG burn unit (8) setting in the indoor lower section of Heat Room, and heat pump unit (5) recycles air inlet by heat pump machine (10) it is connected to Heat Room；Blower unit includes frequency conversion fan (2) He Bufeng blower (3)；Left and right outside Heat Room room is respectively set Set a benefit wind blower (3), Heat Room surface be arranged partition, on partition be arranged frequency conversion fan (2), Heat Room with It is opened up at the top of bakery link position heat exchange chamber outlet (12), the return air humidity-discharging device includes return air inlet (9) and row Return air inlet (9) are arranged in the lower section of Heat Room in wet channel (6), and the lower section of Heat Room is arranged in hydrofuge channel (6).

2. a kind of Dual-energy source agricultural and sideline product apparatus for baking as described in claim 1, it is characterised in that: in frequency conversion fan (2) Induced draft plate (1) is arranged in top, and induced draft plate (1) is arcuate structure.

3. a kind of Dual-energy source agricultural and sideline product apparatus for baking as described in claim 1, it is characterised in that: the baking heat power supply device In LPG burning unit (8) on be provided with LPG unit combustion head (4), LPG unit combustion head (4) is than in heat pump unit (5) Heat pump machine recycles air inlet (10) high 40cm-50cm.

4. a kind of Dual-energy source agricultural and sideline product apparatus for baking as claimed in claim 2, it is characterised in that: in LPG unit combustion head (4) surrounding installs LPG combustion head isolation board (7), and the height of LPG combustion head isolation board (7) is 0.5m.

5. a kind of Dual-energy source agricultural and sideline product apparatus for baking as described in claim 1, it is characterised in that: hydrofuge channel (6) are two Road is separately positioned on the both ends of return air inlet (9).