Hot Air Dryer For Food
Hot Air Dryer For Food
Drying food is one of the traditional ways of storing food, and drying and processing food can increase the added value of food, so drying food is very popular all over the world. Hot air drying is commonly used for drying food, which is not only efficient, but also preserves the original color and nutrition of the food. Generally, there are three types of food hot air dryers: heat pump food drying rooms, food drying all-in-one machines and mesh belt food dryers. Next, I will introduce the components, principles, technical parameters and other detailed information of these three types of hot air food dryers.
1. Heat pump food dryer room
The heat pump food dryer machine is equipped with a trolley with trays and tray racks. When we dry the foods, we put the food in the tray, on the tray rack of the cart, and push it into the dryer food chamber to dehydrate. Foods are putted on the shelf car and enter the closed cycle dehydration room for dryer without any pollution in the process. The heat source of the heat pump dryer food machine is air. The heat in the air is absorbed by the heat pump compressor. After being compressed and released, a large amount of high-temperature hot air can be obtained, so as to achieve uniform drying and processing of foods.
Components of heat pump food dryer room
One set heat pump food dryer room contains: heat pump dehydration host, dehydration chamber, fan frame with fan, trolley with tray. The dehydration chamber is used 100mm polyurethane insulation board, supporting 304 stainless steel trolleys and trays. Put the foods into the material tray, insert the food tray into the vegetable cart and push it into the dehydration room, and close the sealing door to start drying production. The dehydration temperature range is 65 ℃ - 85 ℃, and the dehydration temperature is divided into different temperatures, and the temperature is gradually lowered. Generally, the drying time is about 8-10 hours to complete a batch.
The working principle of heat pump food dryer room
The heat pump food dryer room uses the reverse Carnot principle to let the hot air circulating blower dryer food. Compressor and other equipment make up the refrigerant circulation system. The fan impeller rotates, the outside air enters the oven, passes through the heater, forms hot air, and then enters the studio through the gap of the air distribution plate, and a large amount of hot air in the circulating flow continues to enter the new air inlet for supplementation. The moisture discharged after recovery is discharged from the exhaust port. The whole cycle makes the food heated evenly and achieves the purpose of dehydartion.Determine different temperature, time, color and moisture content during drying according to different varieties. It is better for the food dehydration machine to use the air energy heat pump drying system, and the heating of the air energy is a slow increase, which is more reasonable for the drying of foods, and can maintain the original tissue fibers and nutrients of the foods, and through the compressed air , The whole process of extracting air heat energy does not contain harmful substances, and it is also more energy-saving and environmentally friendly.
Technical parameters of heat pump food dryer room
| heat pump dehydration room list | ||||||||||
| type | machine size(MM) | Capacity (KG) | power | Qty of fan | fan power | total power（kw） | Qty of cart | Qty of tray | cart size(MM) | tray size(MM) |
| 3P A | 3500×2200×2200 | 200-400 | 2.25 | 6 | 0.25/pc | 3.75 | 6 | 78 | 670×810 | 600×800 |
| 8P A | 5300×2200×2800 | 450-750 | 6 | 12 | 0.37/pc | 10.44 | 6 | 156 | 1210×870 | 600×800 |
| 15P | 7500×3000×2800 | 900-1500 | 11.25 | 12 | 0.55/pc | 17.85 | 12 | 312 | 1210×870 | 600×800 |
| 1P D | 1180×680×1800 | 50-80 | 1 | — | — | 1 | — | 15 | — | 600×800 |
| 3P D | 2100×930×2100 | 120-300 | 3.5 | — | — | 3.5 | — | 40/60 | — | 600×800 |
| 8P D | 4000×1960×2050 | 650-1000 | 8 | — | — | 8 | 8 | 232 | 600×800 | 600×800 |
| The drying machine can be equipped according to the user's requirement and the production demands. | ||||||||||
Advantages of heat pump food dryer room
1 Wide application. Suitable for vegetable, fruit, seafood, spice etc different kinds of material.2 High drying capacity. Each hour can drying 3-4kg water.
3 Better drying effect. Can better keep material shape , color , nutrition etc.
4 Simple operating. PLC touch screen control panel , can set up temperature, humidity in advance
5 Low energy consumption. Heat pump system, can save 70% energy.
Other application areas of heat pump food dryer room
Heat pump food dryer rooms can be used in many applications, in addition to drying vegetables can also be used in agriculture, industry, seafood, grain, herbal medicine, construction, paper products, condiments, mineral industry, etc.1. Dried vegetables such as radish, lettuce, pumpkin, carrot, spinach, cassava, etc.
2. Fruits such as apples, lemons, mango slices, dried longan, dried longan, etc.
3. Dried meat such as sausage, beef, duck, ham, etc.
4. Others it can dry noodles/wooden/incense/herbs/floss etc.
2. All-in-one food dryer machine
The second food dryer machine is the all-in-one food dryer machine with the smallest yield.The drying principle is the same as that of the food dryer room machine. The all-in-one food dryer machine is equipped with a cart with trays and tray racks. When drying foods, we put them in trays, put them on the tray racks of the cart, and then push them into the food drying chamber for drying.
The heat source of the food integrated dryer is air energy. The heat in the air is absorbed by the heat pump compressor. After compression and release, a large amount of high-temperature hot air can be obtained, so as to achieve continuous and uniform drying and processing of foods. The operation of this all-in-one drying unit is relatively simple, simply plug in and dry.
Components of all-in-one food dryer machine
One set all-in-one food dryer machine contains: power jack, water outlet,exhaust air outlet, supporting wheels, PLC controller pancl, door lock, observation window,circulating air inlet, outlet for hot and dry air, PP tray, stainless steel tray, supporting racks for trys. The food all-in-one machine has compact structure, good energy-saving effect, wide application range, high drying quality, convenient operation, simple installation and disassembly. It is the best drying equipment for small businesses, drying experiments and scientific research. The user only needs to connect the power to use, it is the easiest to operate food dryer.
Thechnical parameters of all-in-one food dryer machine
| All-in-one food dehydrator machine list | ||||||||
| type | machine size(MM) | Capacity (KG) | power | total power（kw） | Qty of cart | Qty of tray | cart size(MM) | tray size(MM) |
| 1P | 1180×680×1800 | 50-80 | 1 | 1 | — | 15 | — | 600×800 |
| 3P | 2100×930×2100 | 120-300 | 3.5 | 3.5 | — | 40/60 | — | 600×800 |
| 8P | 4000×1960×2050 | 650-1000 | 8 | 8 | 8 | 232 | 600×800 | 600×800 |
| The drying machine can be equipped according to the user's requirement and the production demands. | ||||||||
3. continuous mesh belt food dryer machine
The last hot air dryer is continuous mesh belt food dryer machine with the largest output. It is a multi-layer continuous drying structure. When drying foods, just put the foods in the feeding port, and the foods will enter the dryer machine with the feeding conveyor for drying. Foods are dried and dryer layer by layer from top to bottom. Mesh belt food dryer machine have a wide range of heat sources such as coal heating, gas heating, steam heating, biomass pellet heating or electric heating.
Components of continuous mesh belt food dryer machine
The food dryer machine consists of 4 parts, namely the feed conveyor, the main machine of the mesh belt food dryer machine, the heat source and the discharge conveyor. The reformer provides heat, and the through-flow mesh belt food dryer machine is the main body of the drying equipment, which consists of a cabinet and multi-layer conveyor belts; the electrical control system controls the start, operation and stop of the entire equipment. With the cooperation of other auxiliary components, the drying equipment completes the drying and discharging process of food, and realizes the drying process of food drying.
The working principle of continuous mesh belt food dryer machine
Mesh belt food dryer machine is a continuous production drying equipment. The main heating methods are electric heating, steam heating and hot air heating. Its main working principle is to distribute the food evenly in the network. Through the operation of the machine, the food moves in the dryer, and the hot air extracts the water vapor of the food. So as to achieve the purpose of drying. The working temperature is 40-120 degrees Celsius. The drying cycle is 1-5 hours. Mainly used for agricultural and sideline products such as fruits and foods, Chinese herbal medicines, etc. The equipment is easy to operate, saves time, has a healthy drying process, and protects the environment.
Technical parameters of mesh belt food dryer machine
| continuous mesh belt dryer list | |||||||
| Model | operation temperature | drying time | thickness of the material | the size of motor | capacity | heat source | total power |
| BX-2*6M | 40-120℃ | 0.5-5h | 50-200mm | 6*2*2.5 | 200-400kg/h | electricity | 66.5kw |
| natural gas/propane | 12.22kw | ||||||
| coal/wood chips | 13.72kw | ||||||
| steam | 11.22kw | ||||||
| BX-2*9M | 9*2*2.5 | 500-800kg/h | electricity | 79.76kw | |||
| natural gas/propane | 20.12kw | ||||||
| coal/wood chips | 23.12kw | ||||||
| steam | 16.62kw | ||||||
| BX-2*12M | 12*2*2.5 | 1000-1500kg/h | electricity | 153.12kw | |||
| natural gas/propane | 33.12kw | ||||||
| coal/wood chips | 36.12kw | ||||||
| steam | 25.62kw | ||||||
| door in Color steel,baffle in Galvanized,the main frame in Carbon steel. | |||||||
The above is a brief introduction and technical parameters of the three hot air foods dryer machines of Baixin dryer machine company. The dryer food machines produced by our company support customization. If you are interested in our dryer or want to know more about the hot air foods dryer and its price. Please feel free to contact us, and we will get you a satisfactory answer and solution according to your requirements.
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