RICHI sinking fish feed machine is renowned for its robustness and can make high-quality pellets from 0.8 mm to 12mm. We have different sinking fish feed pellet mill and sinking fish feed pellet extruder machine model which is tailor-designed for a diverse aqua feedproduct.
Sinking fish feed pellet machines can only make fast sinking feeds. For example, milkfish feeds are still common to be made on sinking fish feed pellet production lines thanks to advancements in pre-conditioning and post-conditioning technology.
However, sinking fish feed extruder machine offers more products characteristics from fast sinking, slow sinking, and floating.
At present, the sinking fish pellet processing machine mainly refers to the fish pellet mill. If you want to know more product information about the fish feed extruder, please directly visit the "floating fish feed machine" page, or contact us directly to obtain detailed product information and quotation!
RICHI sinking fish feed pellet making machines are born from years of experience and continuous improvements to ensure high production efficiency at the lowest cost.
RICHI has standardized the fish pellet die and the roller shell for aqua feed production. The compression ratio of our pellet die is specially designed to ensure compact and tough pellets with higher PDI. The roller shells are designed individually for each different hole size.
RICHI sinking fish feed pellet mill is well-known because we value the importance of pre-conditioning very much and have a complete range of different styles of pre-conditioner for particular purposes. Our design of conditioning and are born from years of experience and continuous improvements to ensure high production efficiency.
During the conditioning process, the mixing action of raw material with moisture and heat in suitable retention time helps to increase water stability in aqua sinking fish feed, increase durability and PDI in fish feed.
Moreover, the superior conditioning system of sinking fish feed pellet machine lowers the friction force, which eventually reduces wear on the die holes and rollers.
RICHI has standardized the pellet die and the roller shell for sinking fish feed production. We specially designed the pellet-dies compression ratio to ensure compact and durable pellets with higher PDI. The roller shells are designed individually for each different hole size.
We understand that maintenance is also one of the substantial aspects of choosing a machine. RICHI sinking fish feed pellet machines are made from high-quality metal with an advanced manufacturing process to ensure the durability of the fish feed pellet making machine.
RICHI sinking fish feed pellet machine system for aqua feed consists of a feeder, pre-conditioners, a pelleting machine, and a post-conditioner. Under the action of the squeezing force of the ring die and pressure roller of the sinking fish feed machine, the powders with a certain temperature and humidity are close to each other and rearranged.
The air contained in the powder particles is gradually squeezed away, and the powder close to each other, the connecting force increases, and finally it is pressed into pellets by sinking fish feed pellet machine with a certain density and strength.
In the granulation process of the sinking fish feed pellet machine, the protein and sugar in the feed become plastic when heated, and the starch is partially gelatinized. Therefore, the granulation process of the sinking pellet feed machine for fish can be said to be an extrusion thermoplastic process, but after the feed is granulated, the gelatinization degree of the starch is generally about 30% or lower, and this is mainly accomplished by steam conditioning.
If you want to increase the gelatinization degree of starch, you must extend the conditioning time or use a conditioning tank. Compared with a sinking fish feed extruder machine, the degree of gelatinization improved by the sinking fish feed machine is limited. However, the sinking pellets for aquatic animals produced by the sinking fish feed pellets machine is very suitable for sinking aquatic animals and benthic prawns and herrings.
Some sinking fish feed manufactuers who process sinking fish food will configure a sink fish feed pellet machine after the pelletizing section, but we generally do not recommend this. After crushing, the surface of the sinking fish food pellets is rough, and it is easy to absorb water to collapse the sinking fish food pellets, which affects the stability of sinking fish feed in water.
If the powder is directly pressed into small fish sinking pellets, the surface of the fish sinking pellets is smooth and not easily corroded by water, which can improve the stability of the fish sinking pellets in water.
In addition, in the sinking fish feeds pelleting machine's granulation processing method, it can be used to emphasize the quality of maturation, the fish feed making material is double-layered or three-layer strengthened and tempered, so that the starch is fully gelatinized, and the digestibility of the bait can also be greatly improved.
|Main Motor Power(kw)
|Feeder Motor Power(kw)
|Dia.of Ring Die(mm)
Both pelleting process and extrusion process are adaptable to aqua sinking fish feed production. As the development of aquaculture, however feed extrusion technology is more and more popular in the aquafeed production because of its well- balanced nutrition, the excellent water stability, and most of all, the environment friendliness.
Raw material receiving and cleaning
Primary grinding system
Primary proportioning and batch mixing system
Secondary grinding system
Secondary proportioning and batch mixing system
Pelleting & Extrusion
Coating and cooling system
Sinking feed pellet production solutions are different from case to case. They should be tailor-made on the basis of a good understanding of the sinking fish feed manufacturers’ needs, the local market’s requirements and the fishes to be cultivated.
The whloe complete sinking fish feed mill equipment and process applied for an aquafeed mill shall be optimised by considering the long-term sustainable profitability.
Whether it's sink or float, RICHI floating and sinking fish feed making machines and fish feed mill will keep your aqua feed pelleting production ahead.
RICHI is one of the very few aqua feed companies with the ability to design, manufacture and supply each and every key sinking fish feed machines in the complete production line for sinking fish feed mill, as well as designing and building the process floating and sinking pellets fish feed plant as a whole.
Wherever your floating and sinking production fish feed pelleting plant is located and whether you produce feed pellets for poultry, pigs, cattle etc., we offer a full range of floating and sinking fish feed machines and equipment – from raw material intake to finished feed storage.
Richi Machinery is one of the fish feed plant and floating fish feed machine manufacturers in China, we have rich experience of providing complete fish feed plant solutuions and fish feed making machine for various fish feed, shrimp feed, etc.
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The above fish feed plant project and fish feed machine project are real transaction information. If you want to get project-related information, pictures, and videos, please contact us.
Studies have shown that among the many factors that affect the ecosystem and the disease resistance of fishes, the nutrition and quality of feed is one of the key factors. Comprehensive nutrition and high quality, and the use and popularization of compound feed are key signs of technological progress in aquaculture.
As an industry with broad development prospects, how to seize the opportunity? The answer is the leading aquatic feed processing technology and aqua feed equipment.
RICHI is one of the very few companies with the ability to design, manufacture and supply each and every key sinking fish feed making machine in the sinking fish feed plant, as well as designing and building the fish feed production plant as a whole.
Wherever your fish feed plant is located and whether you produce feed pellets for sinking fish, floating fish, shrimp, trout, tropical fish, catfish, tilapia, carp, saltwater fish, prawn, etc., we offer a full range of fish feed processing machines and equipment – from raw material intake to finished feed storage.
Introduction of RICHI
Richi Machinery is a professional manufacturing enterprise integrating scientific research and development, manufacturing, sales and service. We have developed and manufactured multifunctional pelletizers, grinders, mixers, dryers and more than ten categories and more than 30 models of complete machine products are widely used in feed, biomass, organic fertilizer, pet supplies, solid waste recycling, chemical industry, road construction and other fields.
All RICHI products have passed ISO9001:2008 international quality system certification, EU CE certification and Customs Union CU-TR certification, successfully serving more than 2,000 customers in more than 100 countries and regions around the world.
In RICHI, every equipment and every pellet production line business plant can be customized. We will formulate multiple sets of pellet production process plans for comparative analysis according to the actual needs of customers, select a reasonable plan, and realize private customization.
Our services run through all aspects of on-site terrain and environment survey, production line process design, raw material testing, cost requirement analysis, project investment budget, equipment installation and commissioning.
We adhere to the ISO9001 quality management system, and strictly implement international standards for product design and manufacturing processes. In terms of management systems, there are product quality accountability systems, product quality accountability systems, and safety production management systems; in terms of management tools, QC quality control management, SPC statistical process control, sampling inspection and measurement system analysis are used for quality control, to achieve effective control of the entire process of equipment production, and never let go of any quality hidden dangers that may affect customer operations.
RICHI has always been adhering to the spirit of craftsmanship to make every detail good, especially in the link of equipment preparation and delivery, we follow the standardized process: preparation order check-equipment factory quality inspection-packing list re-inspection-scientific packaging and transportation, ensure the safe and non-destructive delivery of equipment.
According to customer needs, RICHI installation engineers will guide the construction of site infrastructure, equipment installation and commissioning and trial operation of the entire production line throughout the process. When the relevant project indicators reach the design standards, the client will carry out the project acceptance.
After-sales And Training
We have built a team of nearly 100 technical engineers to solve a series of problems in the project from consultation, site survey, sample analysis to plan design, installation and commissioning, and maintenance. We provide comprehensive and systematic training for the technical staff of each customer to better serve the customer's project needs.
After the technicians have finished their studies, RICHI will provide follow-up technical support services, and the training engineers will follow up the project use effects in the later stage to ensure the stable operation of the customer's project.