1.5-2 T/h fish feed Extruder machine

Overview of the 1500-2000 kg/h Fish Feed Making Machine

As a medium-to-large scale machine in the aquatic feed industry, the 1500-2000 kg/h fish feed making machine is precisely tailored to meet the critical needs of transitioning to commercial mass aquafeed production.

Instead of simply scaling up a small machine, we have systematically re-engineered the screw assembly, barrel structure, transmission system, and pelletizing unit. This ensures stable pellet quality and reliable performance, even under high-load, continuous operation.

1500-2000 kg/h Fish Feed Making Machine Specifications

With a capacity of 1500-2000 kg/h, this fish feed machine is a twin screw extruder. It integrates core functions including uniform feeding, efficient conditioning, powerful extrusion, and precise pellet cutting. It completes the entire transformation from raw powder to finished pellets in a single machine.

It utilizes the physical changes of materials under high heat and pressure, releasing instantly to form expanded pellets. This process relies on physics rather than complex chemical additives, ensuring the final pellets are fully cooked and highly stable in water.

As the core equipment of the fish feed production line, this machine determines the total output of the entire extrusion line. Its operational stability directly impacts the continuous efficiency of downstream processes, such as drying, coating, and cooling.

Equipment Parameters

  • Machine Type: Ekstruder Sekrup Ganda
  • Model: SPHS 120×2
  • Brand: RICHI Mesin
  • Series: SPHS
  • Kapasitas: 1500-2000 kg/h
  • Diameter Sekrup: 120 mm (φ120)
  • Screw Quantity: 2
  • Main Motor Power: 90 kW
  • Feeder Power: 1.5 kW
  • Conditioner Power: 11 kW

Ruang Lingkup Penerapan

  • Floating & sinking fish feed, and shrimp/crab feed production
  • Special aquatic extruded feed
  • Pet food (dog & cat food) and ornamental fish feed production
  • Feed processing for high-fiber, high-protein, and high-starch formulas

Fitur Utama:

High capacity output | Twin-screw structure | High cooking quality | Wear-resistant and durable | Variable frequency control | Quick mold change | Safety protection

Application Scenarios:

  • For medium-to-large scale aquatic feed processing plants.
  • Upgrading existing pellet lines to extruded feed production lines.
  • For enterprises pursuing high-end floating or functional feed.
  • For producers targeting export or branded operations with strict quality requirements.
Comparison ItemSingle Screw ExtruderEkstruder Sekrup Ganda
StructureOne screw pushes material forward, simple structureTwo screws rotate together for forced conveying and mixing
Raw Material SuitabilitySuitable for simple and stable formulationsSuitable for complex formulations and mixed raw materials
Mixing PerformanceModerate, depends on raw material uniformityMore thorough and uniform mixing
Production StabilitySensitive to material changes, more fluctuationHigh stability, ideal for continuous production
Final Product QualityMeets basic feed requirementsBetter gelatinization, more uniform and refined pellets
AplikasiStandard fish feed, basic pelletsPremium aqua feed, functional feed
Investment CostLowerHigher
MaintenanceSimple structure, easy to maintainMore complex, requires higher maintenance
Recommended UseSmall-scale production / initial investmentMedium to large plants / long-term production

Other capacity fish feed extruders

The Structure of the Fish Feed Extruder Machine

Essentially, the structure of the fish feed extruder is designed around the continuous process of “conveying → compression → cooking → forming → expansion.” The entire machine features multiple functional modules that work in synergy, ensuring that raw materials are transformed from powder into expanded pellets in a short time.

Ini bukanlah sekadar satu unit peralatan, melainkan sebuah sistem yang sangat terintegrasi antara energi mekanik, energi termal, dan pengendalian proses. Setiap modul struktural secara langsung memengaruhi kualitas pakan akhir dan efisiensi produksi.

1. Sistem Pemberian Pakan

Responsible for stably and continuously feeding mixed raw materials into the barrel.
Equipped with a speed control device to adjust feed rate based on output needs, preventing blockages or supply interruptions.

2. Conditioning System

Pre-processes raw materials by adding steam and moisture.
Softens the materials, improves cooking level, lays a solid foundation for subsequent expansion, and enhances final product quality.

3. Twin Screw System

The core component of the equipment, consisting of two intermeshing screws.
During rotation, it conveys, compresses, mixes, and shears the materials to ensure thorough cooking.

4. Barrel

Encases the screws and is usually designed in a segmented structure.
Can be heated or cooled as required by the process, working with the screws to complete processing at different stages.

5. Heating System

Controls the temperature inside the barrel to ensure stable extrusion.
The more precise the temperature control, the better the expansion effect and stability of the final product.

die system - floating fish feed extruder machine

6. Die System

Determines the shape and size of the final pellets.
By replacing the mold, it can produce fish feed pellets of different diameters and types.

cutting system - floating fish feed extruder

7. Cutter

Installed at the outlet of the die head to cut extruded materials into uniform pellets.
Adjustable in cutting length to meet different product requirements.

8. Sistem Pengendalian

Centralizes control of the entire machine, including feed speed, screw rotation speed, temperature, and other parameters.
Features simple operation, enabling stable production and easy parameter adjustments.

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Types of Feed Produced

Backed by mature and stable extrusion technology and flexible formula adaptability, our feed extruders are capable of producing a wide range of aquatic feed and pet food.

From floating and sinking fish feed in various specifications, to pet food with uniform pellets and excellent palatability, we ensure stable forming and mass production.

Through precise control over expansion, pellet density, and appearance, the final products deliver optimal performance in water stability, palatability, and nutrient utilization.

various feed pellets

The extrusion process for fish feed is far more than simple shaping. It is a systematic engineering process comprising multiple stages: conveying, mixing, conditioning, extrusion, expansion, cutting, drying, and coating.

The process parameters of each stage—including temperature, pressure, moisture, and time—directly impact the final feed quality.

The following section provides a complete breakdown of this process chain, helping you understand how high-quality extruded feed is produced.

Receive various powdered raw materials (fish meal, soybean meal, corn flour, wheat flour, etc.). Use vibrating screens and magnetic separators to remove large impurities and metal foreign objects, protecting the safe operation of downstream equipment.

Grind raw materials to over 80 mesh (fineness approx. 0.18mm). This ensures complete starch gelatinization and uniform protein denaturation during subsequent conditioning and extrusion. Grinding fineness directly affects the expansion ratio and water stability of the feed pellets.

Weigh raw materials according to the formula ratio and feed them into the mixer. This ensures uniform distribution of all components, guaranteeing consistent nutrition in every pellet.

Feed the mixed material into the extruder. Under high temperature, high pressure, and high shear, the starch gelatinizes, proteins denature, and the material melts before being extruded from the die.

As the external pressure drops suddenly, moisture instantly vaporizes and expands, forming a porous, fluffy structure. This process simultaneously completes cooking, shaping, and sterilization, making it the critical step that determines the product’s palatability, shape, and quality.

The freshly extruded expanded pellets have high moisture content. They must be passed through a dryer to reduce the moisture to below 10%, making them suitable for storage and transportation.

Dried pellets enter the coating machine, where heat-sensitive ingredients like oils, vitamins, and probiotics are added. Since these ingredients cannot withstand high temperatures, they must be added after extrusion and drying.

The coated pellets are still hot and must be cooled to 3-5°C above room temperature using a counter-flow cooler. This also further removes surface moisture. The cooled pellets become crisp and hard, making them less prone to breakage and easier to package and store.

Finished products pass through a vibrating screen to remove fine powder and irregular pellets, ensuring uniform particle size.

They are then weighed and sealed by an automatic quantitative packaging scale, ready for warehousing or shipment. The collected fine powder can be recycled back into the production line.

Standard Configuration List for the 1200-2000 kg/h Fish Feed Production Line

With the extrusion system as the core, the entire line is standardly configured around key stages: raw material handling, conditioning and cooking, forming and drying, and post-processing. While meeting the requirements for conventional fish feed production, the equipment combination can also be flexibly adjusted based on the formula type (floating/sinking feed) and the customer’s actual operating conditions.

The following is the typical equipment configuration list for this capacity range, helping you quickly understand the composition and functional layout of the entire line.

Saringan pembersih primer berbentuk silinder

Kapasitas produksi: 1–25 ton per jam
Daya: 30–160 kW

Menghilangkan kotoran berukuran besar seperti batu, tali, dan puing-puing.

saringan pembersih bubuk

Penggiling palu

Tingkat kehalusan penggilingan: 0,5–20 mm
Kecepatan putaran: 2980 rpm

Menggunakan palu berputar berkecepatan tinggi untuk menghancurkan bahan baku hingga mencapai ukuran partikel yang diinginkan.

pabrik penggilingan palu buatan Richi

Mixer dayung

Volume efektif: 0,5–4 m3
Jumlah campuran per batch: 250–2000 kg/P

Mencampur berbagai bahan baku dan bahan tambahan secara menyeluruh sesuai dengan formula.

pencampur pakan yang diproduksi oleh Richi

Pengering sabuk

Ukuran Pelet: 6–8 mm
Lebar sabuk jaring: 0,8–1,6 m

Menggunakan sistem pengangkutan berkelanjutan untuk mengeringkan bahan yang telah dibentuk secara merata, sehingga mengurangi kadar airnya.

Pengering Sirkulasi Sabuk Jaring

Mesin penyemprot vakum

Kapasitas produksi yang sesuai: 1–15 t/jam
Waktu pengolahan batch: 6 menit

Menyemprotkan minyak atau cairan fungsional secara merata ke permukaan pelet dalam kondisi vakum.

penyemprot vakum buatan Richi

Pendingin

Luas area pengeringan: 13–58 m²
Lebar sabuk jaring: 0,8–1,6 m

Menggunakan aliran udara dingin berlawanan arah untuk mendinginkan pelet panas.

pendingin pakan yang diproduksi oleh Richi

Penyaring

Kapasitas produksi: 2–50 ton per jam
Sudut layar: 19°

Memisahkan pelet yang memenuhi syarat dari bubuk, partikel yang ukurannya terlalu besar, atau terlalu kecil.

mesin penyaring buatan Richi

Mesin pengemasan

Kisaran kemasan: 10–50 kg/karung (dapat disesuaikan)
Kecepatan pengemasan: 2–8 kemasan per menit

Secara otomatis menimbang, mengisi, dan menyegel produk pakan yang sudah jadi.

peralatan pengemasan

Didirikan pada tahun 1995, RICHI Machinery Co., Ltd. adalah produsen peralatan pengolahan mesin pakan ternak dan rekayasa pabrik lengkap, yang terutama berfokus pada industri mesin pakan ternak. Kami mengkhususkan diri dalam mesin pelet pakan ternak, mesin pelet pakan perikanan, mesin pelet serpihan kayu, sistem penyimpanan biji-bijian, dan bangunan struktur baja. Penelitian dan pengembangan serta produksi mesin pelet pakan perikanan merupakan komponen penting dalam bisnis kami.

Di bidang budidaya perairan, kami menawarkan lini produksi lengkap yang mencakup mesin pelet pakan ikan/udang/kepiting, ekstruder pakan, penghancur, pencampur, pengering, sistem pelapisan, pendingin, peralatan penyaringan, dan sistem pengemasan otomatis sepenuhnya. Kami dapat menyesuaikan solusi produksi pakan yang efisien dan hemat energi bagi pelanggan sesuai dengan kebutuhan berbagai jenis hewan air dan hewan peliharaan.

300+
Kami telah membantu membangun ratusan lini produksi pakan udang/ikan dari nol.

140+
Peralatan pelet pakan kami telah dijual ke lebih dari 140 negara dan wilayah dari total lebih dari 200 negara dan wilayah di dunia.

1000+
Kini, kami menawarkan layanan terkait kami kepada begitu banyak produsen pakan ternak di seluruh dunia.

Sertifikasi Internasional
Seluruh peralatan kami telah lulus sertifikasi ISO 9001:2008, CE, CU-TR, dan sertifikasi lainnya.

Kami adalah produsen dan pemasok terkemuka mesin untuk pakan udang, kepiting, ikan, serta makanan hewan peliharaan.

Selama bertahun-tahun, peralatan pakan udang dan ikan kami telah diekspor ke Amerika Serikat, Kanada, Rusia, Uzbekistan, Ukraina, Iran, Indonesia, Rumania, Angola, Pakistan, Etiopia, Inggris, dan sebagainya.

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