Single Screw Food Extruder
Model
40 50 60 70
Power
5.5KW 7,5 kW 15kW 18.5 kW
weights
310KG 330KG 360KG 410KG
- Product Introduction
Extruder corn

The extruder is a pressurized container, mainly composed of a feeder, a pressure tank, a gas heater, an exhaust valve, a thermometer, a control system and other parts. Its working principle is as follows:
1. Grain addition: Add the grain to the feeder, and enter the high-temperature and high-pressure pressure tank through a spiral rise.
2. Hot gas heating: The gas heater generates high-temperature and high-pressure steam, which enters the pressure tank through the air inlet valve and mixes with the grain to heat the grain.
3. Pressure increase: When hot gas is heated, the high-temperature and high-pressure steam in the tank increases the pressure in the tank. When it reaches a certain value, the valve in the tank automatically opens to discharge the high-temperature and high-pressure steam.
4. Extrusion: The high-temperature and high-pressure environment causes the moisture in the grain to expand under the action of steam, and the starch particles also expand rapidly due to pressure. The moisture inside the particles vaporizes instantly to form bubbles, and physical bubbles are instantly formed on the surface of the grain, forming an extruded food full of pores.
The puffing process of grains can be divided into three stages:
1. Gradually heating: Under the condition of rising temperature, the water accumulated in the grain particles is gradually vaporized.
2. Successful puffing: When the temperature and pressure gradually rise, the water in the coarse grain particles begins to liquefy, and the pressure inside the particles becomes larger and larger. When a certain pressure and temperature are reached, the particles expand instantly and form spherical particles.
3. Cooling and stabilizing pressure: After the puffing is completed, the air inside the puffed particles is in a high-pressure state. The pressure in the tank needs to be reduced to atmospheric pressure through the exhaust valve, and the surface of the particles presents a sponge-like shape. At this time, cooling is required to meet the quality requirements of puffed food.

| Model | production capacities | Power | weights | sizes |
| 40 | 40-50kg/h | 5.5KW | 310KG | 1300*1200*1100 |
| 50 | 80-100kg/h | 7,5 kW | 330KG | 1350*1100*1200 |
| 60 | 120-150kg/h | 15kW | 360KG | 1350*110*1200 |
| 70 | 180-200kg/h | 18,5 kW | 410KG | 1500*1360*1250 |
| 80 | 200-240kg/h | 22kW | 460KG | 1500*1450*1250 |
| 90 | 400-500kg/h | 30KW | 800KG | 1650*1450*1300 |
| 135 | 500-700kg/h | 55kW | 1200KG | 1800*1550*1500 |
Extruder for food
Large-scale puffing machine is a kind of food processing equipment, which is widely used in the manufacture of various puffed foods, such as puffed rice, puffed potato chips, puffed beans, etc. Its working principle is to achieve the puffing effect by heating the material to a certain temperature, and then rapidly reducing the pressure to evaporate the water inside the material to form bubbles. Therefore, controlling the temperature and air pressure is the key to ensure the puffing effect.

The puffing time varies for different granular materials. Generally, it is related to factors such as material size, shape, moisture content, temperature, and air pressure. The following are some specific puffing time ranges:
1. Shachima: about 10-20 seconds
2. French fries: about 1-2 minutes
3. Puffed corn flakes: about 30 seconds
4. Steak: about 3-5 minutes

Our Advantages
150
+
Number Of Employees
3000㎡+
Factory Area
10
+
Years Of Experience
800㎡+
Company Area
Extruder in food industry
Advantages of using food extruder:
1. Strong material conveying capacity, rarely produces material backflow and leakage;
2. Strong self-cleaning ability of the screw;
3. Small wear of the screw and barrel;
4. Suitable for processing materials with low and high moisture content (8%~80%), with wide adaptability to materials. When processing with a single screw food extruder, if the moisture content of the material exceeds 35%, the machine cannot work normally;
5. High production efficiency and stable operation.
Qualification & Honor

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