What is an extruder and its characteristics

Extruder machine

Extruders evolved from simple forming machines, initially used only in the plastics industry and later in industries such as food. The extruders used at present are mainly screw extruders, which can be divided into single screw and twin screw according to the structure.

 

The single-screw extruder pushes the material through a screw that gradually increases from fine to thick and the pitch from wide to narrow. At present, the single screw extruder produced in our country basically uses the screw with shallow thread height, and the speed is 300-400r/min. It can produce high grinding and high shear forces, and the time of the grain raw material remaining in the barrel is very short. 10-20s, the material temperature before ejecting up to 130-140℃.

 

The twin-screw extruder has a pair of counter-rotating or co-rotating screws that are continuously engaged with each other, and uses the principle of positive displacement to forcibly transport materials.

 

In the process of material transportation, the pressure reflux is rarely formed, which can make the local pressure rise sharply, accelerate the expansion process, and obtain high output.

नाश्ता बनाने की मशीन

Extrusion technology characteristics

1) Improve practical quality, easy to store

The use of bulking technology can make corn and sorghum containing more cellulose and vitamins become puffy and soft, and the Maillard reaction produced in the bulking process increases the color, aroma and taste of food. Thus, the practical quality is improved, and the food has the unique flavor of light, crisp and rich aroma.

 

2) Improve product quality and reduce harmful substances

The extrusion process is usually a high temperature, high pressure, short time process, which results in limited material handling and therefore retains almost all of the nutrients in the raw material in the final product. At the same time, the high-temperature short-time process can still reduce harmful enzymes and microorganisms and other adverse product factors.

 

3) Wide applicability of raw materials and wide variety of products

A wide variety of raw materials can be processed. Not only can the grains, potatoes, beans and other grains deep processing, coarse grains can also do fine, make exquisite snacks; It can also process fruits and vegetables, spices and some animal proteins. When producing puffed snacks, you only need to change the raw materials and molds, and use the same extruder to produce products of different shapes.

 

4) High production efficiency and low production cost

The production capacity of foreign large twin-screw extruders reaches tens of tons per hour, and the operation is simple. Compared with traditional cooking methods, the use of modern extrusion technology to process products significantly reduces time consumption, energy consumption, labor and plant occupancy.

 

5) Waste less, waste less

After the expansion of raw materials, the utilization rate reached 98 % above. In general, in addition to the need for a small amount of raw materials as primer when turning on and off, the entire production process has almost no waste emissions, and there is no waste of raw materials.

 

 

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कृत्रिम चावल मशीन रोटी के टुकड़ों बनाने की मशीन नाश्ता अनाज की मशीन नाश्ता अनाज बनाने की मशीन नाश्ता अनाज उत्पादन लाइन अनाज बाहर निकालना मशीन अनाज बाहर निकालना मकई का आटा बनाने की मशीन मकई के गुच्छे उत्पादन मशीन मकई पफ बनाने की मशीन डॉग खाद्य बनाने की मशीन extruder नाश्ता बाहर निकालना नाश्ता खाद्य मशीनरी गुच्छे मशीन खाना बाहर निकालना मशीन खाना बाहर निकालना मशीन खाद्य कारखाने मशीन खाद्य उत्पादन लाइन दृढ़ चावल बनाने की मशीन fryums बनाने की मशीन संशोधित स्टार्च संशोधित स्टार्च मशीन संशोधित स्टार्च उत्पादन लाइन panko मशीन पालतू पशु खाद्य extruder पालतू पशु खाद्य मशीनरी पालतू पशु खाद्य उत्पादन लाइन फूला नाश्ते मशीन puff machine पफ नाश्ता प्रसंस्करण लाइन चावल extruder नाश्ता extruder नाश्ता बाहर निकालना मशीन नाश्ता भोजन बाहर निकालना मशीन नाश्ता भोजन मशीनरी नाश्ता खाद्य प्रसंस्करण उपकरण नाश्ता खाद्य प्रसंस्करण मशीनरी नाश्ता खाद्य उत्पादन लाइन नाश्ता मशीनरी नाश्ता बनाने की मशीन नाश्ते मशीन विनिर्माण सोया का हिस्सा बनाने की मशीन tvp extruder tvp extrusion twin-screw बाहर निकालना मशीन