Producing extruding feeds by extrusion technology has become a trend in aquatic feed processing. The unique function of fish feed extruder machine is to change the weight of feed, making floating, slow-sinking and sinking extruded fish feed. The floating fish feed not only improves feed efficiency but also enables farmers to observe fish eating behavior, which can prevent overfeeding and reduce feed waste.
Raw Materials for Floating Fish Feed
The main raw materials of floating fish feed include protein, consisting of grain, bread meal, rice bran, bran, blood meal, oil, antibiotics, vitamins, etc. These ingredients provide essential nutrients including proteins, carbohydrates, fats, vitamins, and minerals required for optimal fish growth and health. Proper ingredient selection and quality control ensure consistent feed quality while maximizing nutritional value.
Protein Sources: Fish meal, blood meal, and soybean meal provide high-quality protein essential for fish growth and development. These ingredients contain essential amino acids required for tissue building and metabolic functions. Selecting appropriate protein sources based on fish species and growth stage optimizes nutritional balance while reducing feed costs.
Energy Sources: Grain, rice bran, and bran provide carbohydrates and energy necessary for fish metabolism and activity. These ingredients offer digestible energy sources that support optimal growth rates while maintaining water quality. Proper energy inclusion ensures fish receive adequate calories for growth while minimizing waste and environmental impact.
Supplements: Oil, antibiotics, and vitamins provide additional nutritional support for fish health and disease resistance. These supplements enhance feed palatability while supporting immune function and overall fish health. Balanced supplementation strategies optimize feed formulation while meeting specific nutritional requirements for different aquatic species.
Design of 3-5 Ton Per Hour Floating Fish Feed Extruding Plant
The features of extruding fish feeds are that crush fineness is small (about 60-100 mesh), curing degree is high, with high oil content. The floating fish feed manufacturing plant's capacity is designed to be 3-5tph, adopting one grinding process, first dosing & mixing process, one pulverizing system, second mixing process, one extruding process, one coating & bagging process. The total power of this floating fish feed line is about 450kw, working land size is about 30*24*30m, and matching 1ton boiler.
Advanced Grinding Technology: The crushing fineness of about 60-100 mesh ensures optimal particle size distribution for fish feed production. This fine grinding increases surface area, enhancing starch gelatinization during extrusion and improving pellet durability. Advanced hammer mills deliver consistent particle size while minimizing energy consumption and maintenance requirements.
High Curing Degree: High curing degree ensures proper starch gelatinization and protein denaturation, improving feed digestibility and nutritional value. This process enhances pellet water stability while reducing nutrient leaching during feeding. Proper conditioning also reduces equipment wear and extends die lifespan, lowering operational costs.
High Oil Content: The high oil content improves feed palatability and energy density, supporting optimal fish growth rates. The refueling way is a combination of mixer, extruder, and coating three ways, ensuring consistent oil application while minimizing waste. This approach enhances feed attractiveness while providing essential fatty acids required for fish health.
Large Pellet Size: The diameter size of finish pellets is large (about 0.6-20mm), making them suitable for various fish species and growth stages. Larger pellet sizes reduce feed waste while improving feed conversion ratios. This design feature accommodates different feeding behaviors across aquatic species, maximizing production flexibility.
Compact Design: The 3-5tph extruding aqua fish feed mill plant has compact design, reasonable structure and meets environmental protection requirements. It can be customized according to customer's requirements, offering flexibility for different production scenarios while minimizing facility footprint and operational costs.
3-5T/H Floating Fish Feed Manufacturing Process
The 3-5T/H floating fish feed manufacturing process incorporates multiple production stages designed to optimize feed quality while maximizing production efficiency:
RM Receiving & Precleaning System: The usage of cleaning system is removing raw materials' impurities, such as rope, clod, corn cob, non-magnetic impurities and iron nail magnetic impurities. It can ensure quality of products and safety of subsequent floating fish feed production equipment. The RM receiving & pre-cleaning system of 3-5tph floating fish feed processing plant is divided into granule pellets feeding cleaning and mash feed feeding cleaning.
Cleaning Equipment: SCY80 Drum Cleaner, with 20-30tph capacity; SQLZ60X50X100 Powder Cleaner, with 10-15tph capacity. These advanced cleaning systems remove various impurities while maintaining high throughput rates, ensuring consistent feed quality and protecting downstream equipment from damage.
Grinding System: The usage of grinding system is increasing specific surface area of feed which is good for animal digestion and absorption and improving processing performance of raw materials. This process uses one set hammer mill. There are 2pcs of pre-grinding bins on the top of hammer mill. The impurities in the raw materials will be removed by tubular magnet device before feeding into pre-grinding bins, to ensure that fish feed hammer mill grinder can operate safely.
Crushing Equipment: SFSP animal fish food hammer mill, 55kw, with 5-7tph capacity. The cleaned raw materials will feed into floating fish feed hammer mill chamber for grinding. Then crushed materials will be transported to bucket elevator through screw conveyor, and then feeding into dosing bins via rotary distributor. When transporting, one set of auxiliary suction system will be needed. It not only saves energy, but also prevents dust spillage, lowers material temperature and improves crushing efficiency.
First Dosing & Mixing System: This dosing system is designed according to different feed formula, is accurate weighing process of different raw materials by using specific device. The mixing system is mixing various materials under the action of external force, after various materials are metered. It is an operation that makes raw materials distribute evenly.
Weighing Equipment: Packing Scale with Double Hopper DHS-50, packing accuracy ±0.1%. This precise weighing ensures consistent feed formulation while minimizing ingredient waste and maintaining nutritional balance. Accurate dosing is critical for achieving desired feed quality and supporting optimal fish growth.
Mixing Equipment: SDHJ2 Single-Shaft Mixer, 18.5kw, 1000kg per batch, with capacity 8-10tph, mixing homogeneity CV ≤5%. High-efficiency mixing systems achieve uniform nutrient distribution while minimizing mixing time and energy consumption. This ensures consistent feed quality across batches while maximizing production efficiency.
Material Transport: After dosing and weighing process are finished, raw materials enter mixer for mixing, and finally raw materials are output by chain conveyor and bucket elevator. This automated material handling reduces labor requirements while ensuring consistent material flow to the next processing stage.
Pulverizing and Extruding System
Due to development of aqua feeds and other special feeds, required a finer grinding particle size and normally grinding particle size needed is about 60-120 mesh. However, normal fish feed hammer mill crusher cannot meet this requirement, then vertical pulverizer was designed. The floating aqua feed mill plant use one set vertical pulverizer, which adopts air-transport discharge, matched cyclone, pulse filter.
Pulverizer Machine: FSLC130 Micro Grinder, 110-132KW, with 4-6tph capacity. This advanced pulverizer delivers consistent fine grinding while minimizing energy consumption and maintenance requirements. Air-transport discharge ensures efficient material handling while matched cyclone and pulse filter remove fines and ensure uniform particle size distribution.
Second Mixing System: This process is mixing micro ingredients and raw materials which come out from pulverizer machine. It has four dosing bins, one mixer and a manual adding hole. This system enables precise addition of vitamins, minerals, and other micro-ingredients while maintaining mixing efficiency.
Mixing Equipment: SDHJ2 Single-Shaft Mixer, 18.5kw, 1000kg per batch, with capacity 6-8tph, mixing homogeneity CV ≤5%. High-efficiency mixing ensures uniform distribution of micro-ingredients throughout feed formulations, supporting optimal fish growth and health.
Extruding System: The extruded floating fish feed is to feed the powder feed raw materials (including starch or protein) into extruder, after continuous mixing, conditioning and heating up, pressurization, extrusion from die hole, sudden pressure reduction, and cutting into pellets, drying, cooling process. Thus getting lofty porous pellet feed.
Extruding Equipment: RD-350 Feed Pellet Mill, 55kw main motor, 2.2kw feeder motor, 0.75kw conditioner, with 3-5tph capacity (based on 1.0-4.0mm hole diameter). This advanced extruder produces high-quality floating feed pellets with excellent water stability and durability. The adjustable compression ratio allows production of various feed formulations optimized for different fish species.
Drying and Coating System
This 3-5tph extruding aqua feed mill plant adopts one set floating fish feed making machine—single screw extruder machine. There is one pre-extruding bin installed on the top of extruder machine. The high moisture of extruded materials is transported to belt dryer to reduce moisture, and finally passes through next fish feed production process.
Drying Equipment: SKLN4 Counter-Flow Cooler, 1.5kw main motor, 0.75kw airlock, with 10tph capacity. Efficient counter-flow cooling systems reduce moisture content to optimal storage levels while maintaining pellet quality. Proper cooling prevents mold growth, extends shelf life, and reduces nutrient degradation during storage.
Coating Machine: SYTV32 Oil-Adding Machine, 1.5kw, with 32L/min adding speed. The post coating system cooperates with some ingredients of feed that are susceptible to loss or damage during processing and adding them in later process in a particular way. It is a method to protect these ingredients from loss or damage.
Coating Benefits: It also solved problem of insufficient oil addition because that amount of oil added in early stage should not be too much. The sprayed feed not only has a good appearance, but also has good palatability and strong nutrition. The design whether materials are sprayed or not is decided by customer. Due to the high temperature of extruded pellets, it needs to be cooled and finally packing them in bags or packing them in bulk bagging way.
Cooling Machine: SKLB4 Swing Cooler, 1.5kw main motor, 0.55kw discharge motor, with 4m3 volume and 5tph capacity. Counterflow cooling systems provide uniform cooling while minimizing energy consumption and maintaining pellet quality. Efficient cooling prevents pellet degradation, extends shelf life, and ensures optimal storage characteristics.
Auxiliary Systems
The dust removal system is used in bagging system which can improve working environment for workers. Oil adding system and water adding system can improve feed palatability while maintaining nutritional value. These auxiliary systems enhance overall feed quality and production efficiency while ensuring safe and comfortable working conditions.
Dust Removal System: Effective dust extraction improves air quality and reduces respiratory hazards for workers. Proper dust control also minimizes material loss and maintains clean production environment, supporting regulatory compliance and worker safety.
Oil Adding System: Precise oil application improves feed palatability while ensuring consistent coating quality. Automated oil systems deliver uniform coating while minimizing waste and maintaining production efficiency. This system enables production of various feed formulations with different oil contents based on specific requirements.
Water Adding System: Controlled water addition ensures optimal moisture content for coating and storage. This system improves feed handling characteristics while maintaining product quality. Proper water management prevents feed spoilage and extends shelf life, supporting efficient distribution and storage.
Bagging System
Use bagging scale, with bagging specification 20-50kg per bag, 6-8 bags per min. Automated bagging systems ensure accurate weighing and packaging while maintaining high throughput rates. Modern bagging equipment handles various bag sizes and types, accommodating different market requirements and distribution channels.
Flexible Bagging Options: The design whether materials are sprayed or not is decided by customer. Due to the high temperature of extruded pellets, it needs to be cooled and finally packing them in bags or packing them in bulk bagging way. This flexibility enables production of various feed products while meeting diverse market demands.
Efficiency Features: Automated bagging reduces labor costs while ensuring consistent product presentation. High-speed bagging systems maintain production efficiency while minimizing product damage. These features support large-scale operations while maintaining quality standards and meeting market requirements.
Investment Considerations for Fish Feed Plant
Establishing a 3-5TPH aquatic floating fish extruded feed plant represents a strategic investment opportunity in growing aquaculture market. By understanding production processes, equipment specifications, and investment considerations, manufacturers can make informed decisions that ensure operational success while delivering high-quality feed products.
Equipment Investment: Major cost components include grinding, mixing, pulverizing, extruding, drying, coating, cooling, and bagging equipment. Selecting appropriate equipment based on production requirements ensures optimal performance while avoiding unnecessary expenses. Quality equipment offers better reliability, efficiency, and product consistency, justifying initial investment through long-term operational benefits.
Facility Requirements: Building modifications, utility installations, and infrastructure development represent significant investment components. Proper facility design ensures efficient material flow, operator safety, and regulatory compliance. Planning for future expansion during initial construction can reduce costs associated with capacity increases later.
Operational Costs: Ongoing expenses include raw materials, energy consumption, labor, maintenance, and quality control. Understanding these costs enables accurate financial planning and pricing strategies. Efficient equipment and operational practices can reduce variable costs while improving profit margins and market competitiveness.
Conclusion
Establishing a 3-5TPH aquatic floating fish extruded feed plant in Uzbekistan represents a strategic investment opportunity in growing aquaculture market. By understanding production processes, equipment specifications, and investment considerations, manufacturers can make informed decisions that ensure operational success while delivering high-quality feed products.
Success in aquatic feed manufacturing requires careful planning, quality equipment, and efficient operational practices. By partnering with experienced equipment suppliers and implementing comprehensive production solutions, investors can establish profitable operations that serve growing market demand while contributing to global food security and agricultural development.
