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Food Extruder Machine

Food Extruder Machine
Why Choose Us?

 

Rich Experience
Our working team have experienced more than 10 years on extrusion processing.It is one specialized is engaged in the twin-screw and single screw food expanding machinery enterprises, company with research and development, production, sales of all kinds of machinery and complete sets of equipment for the main business, my company brings together industry expert team work for ten years, not only in the best extrusion technology research, more efforts to continuously explore in terms of food technology, so that the customer production to the market leading food.

 

Wide Product Range
Our mainly products: Snacks food extruder, fish food machine, dog food machine, pet food machine, puff snacks machine，core filling snacks machinery, Corn Puff Snack Extruder, pet chews food machine, pet snacks machine, corn flakes production line, lab twin screw extruder, twins screw extruder, double screw extruder, niknaks machine, cheetos food machine, textured soya protein food machine, soya nugget machine, pellets snacks production line, and so on…

 

Wide Range of Product Exports
At present, the company equipment exported to Europe, Egypt, Jordan, South Africa, Iran, Italy, France, the Netherlands, UK, Russia, Turkey, Ukraine, belarus, America: Canada, the United States, Chile, suriname, Brazil; Africa: Brazil, Malawi, mozambique, Nigeria and Congo (cloth), lesotho, Asia: Burma, Vietnam, the Philippines, Thailand, Indonesia, Malaysia, India, kazakhstan, kyrgyzstan, uzbekistan, north Korea, Afghanistan, Iran, Lebanon, tajikistan and other countries.

 

Excellent Customer Service
Installation + training: After delivery, according to the needs of the purchasing customer, the after-sales service personnel will arrive at the designated place of the customer, to install the equipment in time.
Service + tracking: After-sales service personnel need to do a follow-up survey of each customer responsible for their own use of equipment, and conduct detailed records and targeted problems to solve.

What is Food Extruder Machine?

 

 

A food extruder machine is a device that helps in the processing of various food items by creating long, thin tubes of dough. This machine has a number of different uses, including manufacturing doughs for pastries and breads, making noodles, and producing frosted ornaments. Food extruders utilize single, rotating or twin screws for mixing, kneading, shearing, shaping, transporting or cooking multiple ingredients together to form a homogeneous food product.

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Advantages of Food Extruder Machine

 

Continuous Production Of Uniform Food Products
Food extruders with their dynamic construction and processing efficiency have a high capacity to produce food products of uniform shape, size or texture at a continuous pace. The single screw extruder deserves special mention here, as it finds immense usage in the food processing industry owing to its high process efficiency of fried or baked snacks. They also act as a perfect equipment for preparing ready-to-eat cereals in a jiffy. Since the processing conditions can be varied according to residence time and temperature, food extruders indeed form a convenient cooker, one that can be adjusted according to needs.

 

A Breakthrough In The Snack Industry
Food extruders of the counter-rotating twin-screw type have emerged as the major breakthrough of snack industry, as they can process with ease, food substances of non-viscous nature, that require relatively lower speeds and greater residence times, like licorice confections, gum, candy or jelly. Food extruders by being extremely amenable to user controls have broadened the range of food products that can be prepared through food processing and that are commonly produced by the snack industry. They also allow high heat transfer to ensure homogeneous mixing of food products and gooey mixtures.

 

Individual Shearing For Each Food Product
Another reason why food extruders qualify as integral components of food processing is because of their shearing action, which can be adjusted to either low, medium or high. Shearing stress of varying intensities are essential in the production of food materials of varying moisture levels. While low stress extruders densify food products rich in moisture like pasta, medium shear extruders can handle products having a lower level of moisture, like pet food, vegetable proteins and aquatic feeds.

 

Maximum Efficiency With Minimum Waste
Due to their high process efficiency, food extruders convert food products into palatable forms rapidly, thus minimizing both the time and waste of the production. They are the only equipment that can handle both viscous and non-viscous food with equal ease. Twin-screw food extruders can handle sticky, oily, wet or viscous materials easily, by offering a positive pumping force and minimum pulsation at die. Thus food extruders raise the efficiency and lessen the time consumed in food processing

Types of Food Extruder Machine
 
 

Single-screw food extruder machine

Single-screw food extruder machines are the simplest and most widely used type, featuring a single rotating screw housed within a barrel. These extruders are suitable for processing a wide range of ingredients and are often employed in the production of snacks, cereals, and pasta. They offer relatively low capital investment and operational costs, making them ideal for small to medium-scale manufacturing operations.

 
 
 

Twin-screw food extruder machine

Twin-screw food extruder machine, on the other hand, utilize two intermeshing screws to convey and knead the ingredients within the extrusion chamber. This design provides greater flexibility and control over the extrusion process, allowing for precise temperature and pressure adjustments. Twin-screw extruders are commonly used in the production of high-value products such as pet food, aquafeed, and meat analogs.

 
 
 

Multi-screw food extruder machine

Multi-screw food extruder machine, including co-rotating and counter-rotating configurations, are employed in specialized applications that require high throughput and intensive mixing capabilities. These extruders are commonly used in the production of textured vegetable protein (TVP), breakfast cereals, and functional ingredients.

 
Components of Food Extruder Machine
 

Main Engine
A food extruder (host) is mainly composed of 4 systems, and a simple extruder has no fourth part
● Extrusion system
● Transmission system
● Die head system
● Heating (cooling) system

 

Control System
The control system of the food extruder is mainly composed of measuring instruments, display instruments, electrical appliances, actuators and buttons, etc., which are used to complete the following tasks:
● Display the working state of the extruder, such as display speed, temperature, pressure, etc.
● Start according to the program, control the speed of the main engine and auxiliary machinery and coordinate their operation.
● Control the feeding amount, temperature and pressure according to the process requirements.
● Automatic control and management of the entire production line can be achieved by computer control.

变性淀粉加工挤出机

 

变性淀粉制造挤出机

Auxiliary Machinery
In the process of extrusion food production, in addition to the host, according to the different production products and raw materials used, but also need to have different, supporting auxiliary machines to produce the required products, these auxiliary machines are:
● Raw material mixer
● Pretreatment device.
● Feeder. The feeder is used to ensure uniform feeding to the extruder
● Cutting device. Extruded food is continuously extruded through the die under normal working conditions, and then cut off with a cutter in the cutting device according to the shape of the product.
● Drying (cooling) device. Some of the products after being cut and formed need to be further dehydrated and then enter the dryer; Some need to be cooled quickly before entering the cooling unit. Generally used is electric heating oven, air cooling.
● Seasoning device. There are many extruded foods, especially some puffed foods, which need to have a variety of flavors, so the seasoning needs to be sprayed on the surface of the product, and this device is to complete this task.
● Other auxiliary machines include product packaging machines.

How Does a Food Extruder Machine Work?
 

Step 1 – Preparation Of The Ingredients
In the very beginning, the most basic ingredients are prepared to go through an extruder; they are usually brought into a form of a powder or flour; within a part called a pre-conditioner, the basic ingredients are mixed with sugar, fat, water or other, specific for a product. This could be a food dye, salt or meat – depending on the final form of the product and what is it usually made of. Nor rarely do the ingredients affect the later form of the product – for example, the salt is known to serve as a helper in even spreading food dyes and to affect the food coloring.

 

Step 2 – Cooking
After the initial mixing of the ingredients, the cooking process begins yet back in the pre-conditioner. It is done in order to produce what is called an extrudate, which means – a mix of ingredients meant to pass through the extruder and eventually form pieces of food in the desired form, shape and size. It is usually done by injecting steam that helps to achieve smooth and partially cooked, dough-like product from which the final portions of food are to be produced.

 

Step 3 – Extrusion
The extrusion process is strictly connected to the machine that an extruder is; to simplify, it consists of three main pieces: a barrel, a screw, and a steamlock, and each of the pieces play an important part in the process of producing be it pasta, cereals, or other food. In this stage, the mix of ingredients – extrudate – is pressed into a barrel within which a rotating, well-fitted screw is placed; it is this part that shapes the extrudate and pushes it down the stationary barrel, only so it is cut into portions by the blades at the end of this tube-like part.

 
Single Screw Food Extruder Machine Vs Twin Screw Food Extruder Machine
Better levels of Flexibility in Production

Unlike the single screw food extruder machine, the twin screw food extruder machine is tailored with a throughput and screw speed independency, as well as the capacity to handle multiple processing functions such as mixing, cooking, cooling, melting, venting, and a lot more in a single screw food extruder machine. On the other hand, the single screw speed and throughput are dependent, thus single screw food extruder machines with multiple processing functions in series are limited.

Improved Mixing Capability

To enhance mixing of ingredients, the twin screw food extruder machine is modified with a broad diversity of specialized screw designs such as kneading blocks, reverse screw techniques, gear mixing elements and a lot more. With these features, the degree of mixing of ingredients can be adjusted accordingly, thus leading to better mixing intensity and quality. On the other hand, the mixing capacity of the single screw food extruder machines is incredibly limited. Besides, the single screw food extruder machine`s throughput tends to get depressed despite development of special screw designs and flow restrictions to enhance mixing.

Higher Productivity

In terms of productivity, the twin screw food extruder machine tends to have higher productivity than the single screw system. More particularly, the twin screw food extruder machine has a better capacity to handle wider varieties of raw materials and complex formulations such as complex recipes. On the other hand, the performance of single screw food extruder machines tends to decrease as screw wear increases. In twin screw food extruder machines, wear and tear is compensated by high operational speed thus leading to higher process productivity.

Improved Economic Opportunities and Business Potential

Compared to the single screw food extruder machines, the double screw food extruder machines have higher economical opportunities and business potential, thanks to their better productivity and higher flexibility. With higher process flexibility and productivity, the twin screw process can produce a wider range of products, convert materials, and handle product quality more consistently compared to the single screw food extruder machines. More so, the twin food extruder machines are also enabled to compensate the effect of screw wear and tear through screw speed adjustment.

Enhanced Control of Process Parameters

Unlike the single screw food extruder machine, the twin screw food extruder machine system is tailored with better regulatory mechanisms such as reduced dispersion of shear rates and strain, narrower residence time distribution, precise control of temperature profile, higher convective heat transfer; thus leading to enhanced control of shear-time-temperature histories in the extrusion process, increased range of mechanical power inputs as well as enhanced steadiness in product conversion and quality. In general, the twin screw food extruder machine is much better in terms of control of process parameters as compared to the single screw food extruder machine.

What Are the Safety Measures for Operating Food Extruder Machine?

 

Familiarize Yourself With The Equipment

Understand the operating instructions, safety features, and emergency shut-off procedures specific to the food extruder you are using. Follow the manufacturer's guidelines and attend any necessary training sessions.

Personal Protective Equipment (PPE)

Familiarize yourself with emergency procedures, including the location of emergency exits, fire extinguishers, and first aid kits. Know how to respond to potential emergencies, such as fires, power outages, or equipment malfunctions.

Follow Lockout/tagout Procedures

Before performing maintenance or cleaning tasks, ensure the food extruder is powered off and properly locked out or tagged out to prevent accidental startup or release of stored energy.

Keep The Work Area Clean And Organized

Maintain a clutter-free work environment to reduce the risk of accidents. Remove any obstructions or trip hazards from the area around the food extruder.

Temperature And Pressure Management

Be aware of the temperature and pressure settings of the extruder. Follow the recommended guidelines to prevent overheating, explosions, or other safety hazards.

Monitor Material Feed

Ensure that the material being fed into the extruder is suitable for the machine's specifications. Avoid overloading the extruder, as it can lead to mechanical failures or safety risks.

Prevent Access To Moving Parts

Never reach into or near the extruder while it is in operation. Wait for it to come to a complete stop before performing any adjustments, maintenance, or cleaning.

Regular Maintenance And Inspections

Conduct routine inspections of the extruder to identify any signs of wear, damage, or malfunction. Keep the equipment properly maintained and address any issues promptly.

Emergency Preparedness

Wear appropriate PPE, such as safety goggles, gloves, and protective clothing, to prevent injuries from flying debris, hot surfaces, or contact with chemicals.

 
How Has the Food Extruder Machine Process Revolutionized the Food Processing Industry?

Data reveals that the extruded food market worldwide has grown at the rate of more than 4% during the last few years. Many expect this growth to continue as emerging markets keep on developing due to increased urbanization and the busy lifestyle led by most people across the globe. From fibrated proteins, such as plant-based, texturized ‘meats’ to third-generation ‘half-products’ that can later be fried, popped, or puffed, food extruder machine technology has enabled consumers to immerse in new culinary experiences. The process has also helped pet parents ensure they feed their pets with extruded food that is packed with nutrition but also affordable. As people are choosing to move towards making more sustainable choices, food extrusion offers convenient yet healthy food options that are ethically produced to ensure premium quality. Since extrusion has proven to me more economical, versatile, and efficient, it not only plays a critical role in the food extrusion industry currently, but also seems to have a bright future.

 
Our Factory

Our Company, established in 2012. Our manufacturing factory is more than 6000m2, workers more than 60 person. Our working team have experienced more than 10 years on extrusion processing.It is one specialized is engaged in the twin-screw and single screw food expanding machinery enterprises, company with research and development, production, sales of all kinds of machinery and complete sets of equipment for the main business, my company brings together industry expert team work for ten years, not only in the best extrusion technology research, more efforts to continuously explore in terms of food technology, so that the customer production to the market leading food.

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Ultimate FAQ Guide to Food Extruder Machine

Q: What is the working principle of food extruder machine?

A: The extruder's rotating screw forces the extrudate toward the die, through which it then passes. The amount of time the extrudate is in the extruder is the residence time. The extruded product usually puffs and changes texture as it is extruded because of the reduction of forces and release of moisture and heat.

Q: What are the components of a food extruder?

A: Extrusion systems are complex systems in which the screws, barrel, and die are the main components to ac- complish specific food processing tasks.

Q: What are the parts of extrusion process?

A: The extruder consists of a container for the material, a ram to push the material through, and the die. The material is pushed through a container, typically using a ram or punch. Sometimes the container is lubricated to reduce friction.

Q: What is a food extruder machine?

A: The machine which forces the mix through the die is an extruder, and the mix is known as the extrudate. The extruder is typically a large, rotating screw tightly fitting within a stationary barrel, at the end of which is the die. Macaroni is an extruded hollow pasta Extruding dough for churros in Strasbourg.

Q: What are the basic functions of a food extruder?

A: The heat generated when the machine rotates is used to squeeze and mature food. The principle of the extruder machine is that mechanical energy is converted into heat energy. The heat generated when the machine rotates is used to squeeze and mature food. The most obvious feature of expanded food is its larger volume.

Q: What are the applications of extruder in food industry?

A: Extrusion finds a significant application in high-protein foods for protein texturization. Texturization processes through extrusion are utilized to produce products mimicking the texture, taste, and appearance of meat or seafood, providing high nutritional value.

Q: What is the pressure in the extruder machine?

A: The pressure inside the extruder barrel during the extrusion process is high. Barrels for most extruders are designed to withstand operating pressures up to 10,000 psi or 700 bar. Normal operating pressures generally range between 1,000 and 5,000 psi. or 70 and 350 bar.

Q: What are the factors affecting food extrusion process?

A: The factors that affect the quality of extruded products include feed moisture, extruder temperature, duration of sampling, water absorption index, water solubility index, product moisture, transverse expansion, cold and hot paste viscosities, melt viscosity, and strength properties of extrudates.

Q: What are the three section of extruder?

A: The most important part of the extruder is its screw. The screw is divided into three sections — feed, transition and metering — with the flow of the resin as follows: Feed Section: a resin enters the deep channels of the rotating screw and is fed forward to the hotter barrel zones.

Q: What is extrusion technology in feed and food processing?

A: Extrusion technology is a food processing operation which is carried out by the combination of different operations such as mixing, shaping, kneading, forming and cooking. Extrusion cooking helps to lower the microorganism activity and helps in enzyme inactivation.

Q: What is the difference between extrusion and extruder?

A: Extrusion is common in the application of adding colorant to molten plastic thus creating specific custom color. Extrusion is also a process used in fused filament deposition 3D printers, whereby the extruder is often composed of a geared motor pushing plastic filament through a nozzle.

Q: What is the rpm of an extruder machine?

A: In most extruders it is somewhere around 100 rpm. One exception to this is the twin-screw extruder used for rigid PVC pipe and profiles, and lately for PET sheet and other resins, as well. These screws run more slowly—30 rpm is high!

Q: What are the common extruders used in food industry?

A: The most commonly used extruders in the food industry include single-screw and twin-screw systems, with twin-screw systems more widely used because of their flexibility.

Q: What is the feed zone in an extruder?

A: The feed zone of the plastics extruder is where the plastic raw material first enters the barrel with the rotating screw. It is an important part of the overall extrusion process.

Q: How is an extruder specified?

A: Host: An extruder consists of the following three parts: extrusion system, rotation system, heating and cooling system. Auxiliary machine: The composition of the extruder is determined according to the type of product.

Q: How do you calculate extruder capacity?

A: The output of an extruder in lb/hr can be estimated by the drag flow: 2.64 x D²Nhρ. Diameter (D) and channel depth (h) are in inches, screw speed (N) is in rpm, and melt density (ρ) is in gm/cc.

Q: How to calculate extruder efficiency?

A: The ratio of actual output Q to theoretical output Q1. η=Q/Q1 The actual output can be measured, but there are many calculation methods and formulas for the theoretical output Q1.

Q: What is the standard size of extruder?

A: Single screw extruders are most popular for their low cost, simple designs, ruggedness, and reliability. Typical sizes vary from 1 to 6 inch (25 to 150 mm) and L/D ratio from 20 to 30 with 24 being most common.

Q: What is the volumetric flow of an extruder?

A: Volumetric flow rate (mm³/s) is the throughput of filament out of a HotEnd. The max volumetric flow rate is the limit at which the requested volume of filament is able to be reliably extruded. Beyond this point under extrusion occurs, resulting in compromised/ failed prints.

Q: What is drag flow in extruder?

A: Drag flow is simply half the volume of one turn of the metering section per second at a specific screw rpm, which, when multiplied by a units conversion and the melt specific gravity of the polymer, is a very accurate approximation of the output in lb/hr at no head pressure.

We're professional food extruder machine manufacturers and suppliers in China, specialized in providing high quality products. We warmly welcome you to wholesale bulk food extruder machine at competitive price from our factory.

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