CRAB FEED PELLET MACHINE
For Sale: Crab Feed Pellet Machine. This equipment produces crab feed pellets that are firm, water-resistant, and easily digestible—making crab farming effortless and worry-free. We provide customized production line designs and all necessary equipment, offering you a comprehensive, one-stop solution for crab feed production.
FEED PELLETIZING EQUIPMENT SPECIFICALLY DESIGNED FOR CRABS
The market offers a wide array of feed pelletizing equipment, such as poultry feed pellet mills. However, it is crucial not to confuse them: the production of crab feed differs fundamentally from that of poultry feed and similar products.
Crabs are slow eaters and benthic feeders; consequently, their feed must possess exceptional water stability. The pellets must be firm and compact, exhibit an extremely low rate of crumbling, and undergo thorough steam conditioning. Otherwise, the feed will rapidly disintegrate the moment it enters the water—resulting not only in significant economic waste but also in severely reduced survival rates among the crabs due to insufficient nutrient intake.
Our crab feed pellet machine is a specialized piece of equipment engineered specifically for the production of crab feed. Manufactured in strict accordance with the unique requirements of crab diets, it serves as the core component of the entire crab feed production line, distinguished by its high production efficiency, low energy consumption, long service life, and minimal maintenance costs.
THE RICHI BRAND IS YOUR WISE CHOICE
With over 30 years of deep expertise in the aquatic feed equipment industry—and production lines deployed across more than 140 countries and regions worldwide—RICHI has conducted extensive research into the specific pain points faced by crab farmers and aquatic feed manufacturers. Based on these insights, we have developed a specialized pellet mill designed exclusively for crab feed production.
This machine produces pellets that are uniform and firm; they remain structurally intact in water for extended periods without disintegrating, thereby ensuring zero loss of nutritional value. Whether the target is crab larvae, juveniles, or mature crabs, a single machine is sufficient to comprehensively meet all feeding requirements. It is particularly well-suited for ensuring long-term, stable production in commercial crab feed factories and large-scale crab farming operations. Furthermore, our equipment has been specially optimized to perform reliably in challenging environments characterized by high temperatures, high humidity, and the high-salinity coastal air typical of marine regions.
If you operate a crab feed factory or engage in large-scale crab farming, and are currently seeking a crab feed pellet machine that offers stable output, superior pellet quality, low failure rates, easy maintenance, and high energy efficiency, then RICHI is undoubtedly the smart choice for you!
RICHI CRAB FEED PELLET Mill
Our crab feed pellet machine is suitable for a wide range of applications—including specialized crab feed manufacturers, large-scale crab farming bases, export-oriented aquatic feed mills, and comprehensive aquatic feed production facilities—essentially covering any scenario requiring the production of pelleted crab feed.
Crab Feed Making Machine
This machine features a heavy-duty ring-die design; its overall structure is robust and durable, having undergone special optimization to withstand harsh environments characterized by high humidity, high temperatures, and corrosive coastal salt spray. All critical components are manufactured from highly wear-resistant materials, ensuring that the machine maintains excellent resistance to rust and damage—even during prolonged operation in production facilities located in coastal regions.
Output: 0.2-8 tons/hour
Power:22-315 kw
EQUIPMENT SPECIFICATIONS AND PARAMETERS
We have designed eight models of crab feed pellet machines to meet the needs of various production scales, covering a capacity range of 0.2 to 8 tons per hour. The specific output, however, must be determined based on the actual raw materials used and their specific processing conditions.
| Model | SZLH250 | SZLH320 | SZLH350 | SZLH420 | SZLH508 | SZLH558 | SZLH678 | SZLH768 |
| Main Motor Power(kw) | 22 | 37 | 55 | 110 | 160 | 185 | 250 | 315 |
| Feeder Power(kw) | 1.1 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 2.2 |
| Conditioner Power(kw) | 1.5 | 4 | 4 | 7.5 | 7.5 | 11 | 11 | 11 |
| Ring Die Inner Diameter(mm) | 250 | 320 | 350 | 420 | 508 | 558 | 673 | 762 |
| Finished Pellet Diameter(mm) | 2-12 | 2-12 | 2-12 | 2-12 | 2-12 | 2-12 | 2-12 | 2-12 |
| Capacity(T/H) | 0.2-0.4 | 0.6-0.8 | 1-1.4 | 1.5-2.5 | 2-3.5 | 3-5 | 4-6 | 5-8 |
EQUIPMENT COMPONENT STRUCTURE
The crab feed pellet machine features a robust and heavy-duty structural design, ensuring minimal vibration and low noise levels during operation. The equipment is also outfitted with comprehensive safety protection mechanisms; the machine automatically shuts down when the access door is opened, effectively preventing injuries caused by operational errors. Furthermore, in the event of material clogging or overloading, the machine will instantly shear the safety pin under high pressure, thereby cutting off the power supply and safeguarding the equipment.
Feeding and Conditioning
The equipment employs variable-frequency control technology for feeding, effectively preventing issues such as raw material clogging and ensuring a uniform and smooth feeding process. The extended stainless steel conditioner allows for the thorough cooking and gelatinization of raw materials, guaranteeing that the pellets possess sufficient hardness and water resistance while also facilitating easy digestion and absorption by crabs.
The Pelletizing Core
The pelletizing chamber of the crab feed pellet machine houses a highly wear-resistant alloy ring die and two pressure rollers. The gap between these two components is adjusted with extreme precision, ensuring that the produced pellets exhibit high density and smooth cross-sections.
Power Source
An imported Siemens motor provides stable power for the entire machine. Siemens motors are characterized by their exceptional stability, high efficiency, low energy consumption, and long service life, ensuring consistent power output even during prolonged periods of continuous operation. The machine employs a multi-motor configuration to ensure that every stage of the process is supported by a reliable and stable power source.
GLOBAL PROJECT SHOWCASE
1–1.4 T/H Vietnam Green Crab Feed Factory Project
The client is a local manufacturer of mud crab feed, specializing in the production of feed for both juvenile and adult crabs, and supplying over 20 large-scale mud crab farms in the surrounding area. Previously, the facility utilized standard local pellet mills; however, they were plagued by persistent feed quality issues, which resulted in the loss of a significant number of clients.
- Equipment Configuration: RICHI Model SZLH350 crab feed pellet machine, accompanied by a complete production line encompassing crushing, mixing, cooling, and packaging stages.
- Products Manufactured: Juvenile mud crab feed (2.0–2.5 mm) and adult mud crab feed (4.0–6.0 mm).
- Raw Materials: Fish meal, shrimp shell meal, soybean meal, etc.
Core Challenges Faced Previously vs. Current Production Status:
The feed pellets produced by the old equipment lacked sufficient compactness and exhibited extremely poor water stability; they would begin to disintegrate and scatter within just 2–3 hours of entering the water. Often, the pellets would dissolve completely in the water before the mud crabs had finished consuming them, leading to water turbidity and a crab survival rate of only around 60%. This resulted in the loss of a large number of clients. Furthermore, the old equipment suffered from frequent breakdowns, requiring unscheduled shutdowns for maintenance 1–2 times per week. Each maintenance session consumed the better part of a day, causing severe delays in order fulfillment and resulting in substantial economic losses.
Following the upgrade to the RICHI Model SZLH350 pellet machine and the complete production line system, all the issues that had previously plagued the facility were successfully resolved. The resulting pellet feed now boasts excellent water stability, remaining intact even after soaking in water for over 6 hours. The pulverization rate has been successfully controlled to within 1.5%, leading to monthly raw material cost savings of over $1,000. All the aquaculture farmers who had previously defected have since returned, and the company has acquired more than 10 new clients. Six months after the new equipment was put into operation, the client expanded their production scale and purchased a second production line.
1.5–2.5 T/H Thailand Sea Crab Farm Project
The client is a large local marine crab farm, operating over 30 of its own breeding ponds and primarily cultivating flower crabs and swimming crabs. To reduce costs, the client constructed a small, in-house facility for processing crab feed. Previously, the farm utilized a standard aquatic feed pellet mill; however, due to the highly corrosive, salt-laden coastal environment, the equipment suffered from frequent malfunctions.
- Equipment Configuration: One SZLH420 corrosion-resistant crab feed pellet machine, accompanied by a simplified, complete production line.
- Product Produced: Compound marine crab feed (Pellet diameter: 3.0 mm – 5.0 mm).
- Raw Materials: Primarily utilizes abundant local resources, specifically fish and shrimp by-products.
Previous Core Challenges and Current Production Status:
After just one year of operation, the previous equipment began to exhibit a series of issues, including corrosion of the machine body, motor failures, and material blockages within the pelletizing chamber. The equipment required maintenance 2 to 3 times per month, with each repair incurring costs exceeding $500. Furthermore, the old equipment demonstrated poor adaptability to high-moisture raw materials, frequently resulting in material blockages and substandard pellet formation. The resulting feed contained an excessive amount of fines and crumbled particles, which the crabs were reluctant to consume, ultimately leading to significant losses in the farming operation.
Since the installation of the RICHI production line—and following 16 months of continuous operation—the client has reported that the machine body shows no signs of significant corrosion. Key components, such as the motor and pelletizing chamber, are functioning normally; moreover, there have been no instances of material blockage, and the pellets are formed with consistent uniformity. Monthly maintenance costs have dropped to less than $100—a reduction of over 60% compared to previous expenses. The client is highly satisfied with both the stability and performance of the equipment and plans to expand their facility in the second half of this year; the design phase for the associated production lines is currently underway.
2–3.5 T/H Integrated Aquaculture Farm Project in Malaysia
The client is a large-scale, comprehensive local aquaculture farm that operates its own ponds for raising river crabs, shrimp, and golden pompano. Previously, to produce feed for these different species, the farm had purchased three separate pellet feed machines. This setup not only required a large footprint and entailed high initial investment costs but also involved cumbersome and complex operational procedures; specifically, it necessitated the employment of three dedicated operators—one for each machine—resulting in persistently high labor costs.
- Equipment Configuration: RICHI SZLH508 Multi-functional Aquatic Feed Pellet Mill + Auxiliary Crushing and Mixing Equipment.
- Products Produced: River Crab Feed (3.0–5.0 mm), Shrimp Feed (1.8–2.5 mm), and Golden Pompano Feed (2.0–3.0 mm).
Core Challenges Faced Previously vs. Current Production Status:
Prior to this upgrade, the client was required to utilize three distinct pellet mills to produce feed for river crabs, shrimp, and fish, respectively. This arrangement resulted in a large physical footprint, high capital expenditure, and elevated labor costs. Furthermore, the varying maintenance standards across the different machines created significant complications for routine maintenance operations, while a relatively high equipment failure rate led to instability in the feed supply.
The implementation of the RICHI SZLH508 pellet mill has effectively resolved the critical pain points previously faced by the client. The equipment features a compact footprint, a high degree of automation, and simplified maintenance requirements, thereby generating substantial savings in both labor and maintenance costs. Concurrently, it ensures a stable and reliable feed supply for all aquaculture ponds; the client has expressed high satisfaction with—and given high praise to—the versatility and operational stability of this equipment.
2–3.5 T/H Crab Feed Export Factory Project In India
This client is a specialized local factory dedicated to the export of crab feed, primarily manufacturing sinking crab feed products targeted at international markets. Their products are predominantly sold to neighboring countries. Previously, the factory suffered significant losses in export orders because the quality of their feed failed to meet required standards.
- Equipment Configuration: SZLH508 Pellet Mill, Ultrafine Pulverizer, Double-layer Conditioner, Automatic Packaging Machine, etc.
- Products Manufactured: Export-grade sinking crab feed (Specifications: 2.5–4.0 mm), supplied primarily to crab farms in Malaysia and Singapore. This product requires pellets with a smooth surface finish, water stability of ≥6 hours, and a powder content of ≤1.5%; furthermore, all quality metrics must strictly adhere to local export inspection standards.
Core Challenges Faced Previously vs. Current Production Status:
The pellet feed produced by the old equipment suffered from rough surface textures and inconsistent sizing; its water stability was merely around 3 hours—far short of export standards—leading to multiple product rejections by overseas clients and the subsequent loss of numerous long-term orders. Moreover, the finished product yield rate with the old equipment hovered at only around 83%; a significant portion of the feed had to be scrapped due to non-compliance, resulting in severe waste of raw materials. Compounding these issues, the old equipment operated with extreme instability and highly fluctuating output, rendering the factory unable to consistently meet the delivery deadlines for export orders—a situation that severely damaged the company’s reputation.
Following the implementation of our equipment, the finished product yield rate for the crab feed has surged to an impressive 99%. The equipment now operates with stability and reliability, offering precise and controllable output that fully satisfies the delivery requirements for all export orders. Consequently, the client has witnessed an increase of over 30% in their volume of overseas orders and has successfully expanded their client base to include new customers in countries such as the Philippines and Vietnam; they have now established themselves as a benchmark enterprise within the local crab feed export sector.
ADVANTAGES OF RICHI EQUIPMENT
High Forming Rate
The core components of our pellet mill deliver exceptional performance, achieving a pellet feed forming rate of over 98%. Following the screening process, all finished products consistently meet quality standards. Whether utilized for in-house crab farming operations or for commercial supply and sales, the equipment consistently generates excellent returns.
Stable Operation
The equipment features a robust gear transmission system, complemented by heavy-duty bearings and a corrosion-resistant body design, ensuring excellent adaptability to high-temperature and high-humidity environments. Even during prolonged periods of continuous operation, the machinery maintains stable performance under pressure, eliminating the need for frequent shutdowns for maintenance.
Exceptional Cost-Effectiveness
With a manufacturing facility spanning over 60,000 square meters, our commitment to continuous technological innovation and large-scale production allows us to effectively control manufacturing costs, thereby helping our clients achieve the optimal return on their investment.
Simple Operation and Convenient Maintenance
The control panel features clearly labeled, intuitive buttons that eliminate the need for cumbersome or complex operational procedures. Local workers can independently operate the equipment after just a few days of simple training, rendering the hiring of additional specialized technical personnel unnecessary.
CRAB FEED RAW MATERIALS
The primary raw materials commonly used in the production of crab feed are broadly categorized into protein sources, energy sources, additives, and binding agents. Protein sources enhance nutritional value and accelerate growth, constituting the core component of the crab feed; energy sources provide starch and energy while simultaneously facilitating the formation of feed pellets; fats and oils boost energy content and palatability; minerals and additives aid in molting, growth, and immune system enhancement; and binding agents are utilized to ensure water stability—a critical requirement given the prolonged duration over which crabs consume their feed.
Fish Meal
Wheat
Rice Bran
Corn
Soybean Meal
Soybean Oil
More Raw Materials
Suitable For Various Types Of Aquatic Animals
CRAB FEED PELLETIZING PROCESS
Producing crab feed pellets requires not only a specialized crab feed pellet machine but also a series of other essential steps. A complete crab feed pellet production line typically involves the following nine major stages, covering the entire process from raw material processing to finished product packaging. We offer customized design services to create highly tailored crab feed production lines that perfectly suit our clients’ specific operational requirements.
The process flow of a standard crab feed production line:
01
Clean Up Raw Materials
Raw materials undergo pretreatment to remove various impurities—such as stones, hemp ropes, and metal scraps—thereby preventing damage to processing equipment and ensuring the cleanliness and hygiene of the finished feed product.
02
Raw Material Crushing
All raw materials must undergo fine crushing to ensure that the resulting crab feed pellets are compact and possess excellent water resistance; furthermore, finely processed materials are easier for crabs to digest and absorb.
03
Batching and Mixing
An automated system is utilized to precisely weigh and proportion the various raw materials, followed by thorough and uniform mixing. This ensures consistent and stable nutritional content in every batch of feed, thereby eliminating the risk of nutritional imbalances caused by uneven mixing.
04
Steam Conditioning
High-temperature steam is applied to the mixed raw materials to facilitate thorough cooking and gelatinization. This stage is critical, as it directly determines the water resistance of the feed pellets as well as the crabs’ digestive absorption rate of the feed.
05
Extrusion and Pelletizing
The conditioned raw materials are compressed into feed pellets using a ring die and pressure rollers. The resulting pellets feature a compact, uniform texture and exhibit excellent water resistance.
06
Cooling
Freshly formed pellets emerge at a high temperature of approximately 80°C; they require subsequent cooling and setting to enhance their hardness and abrasion resistance.
07
Screening
While our pellet formation rate exceeds 98%, screening is performed to recover loose fines and broken pellets. This step ensures the quality of the finished product while simultaneously minimizing waste and reducing production costs.
08
Coating
Nutritional fortifiers—such as oils and vitamins—are uniformly sprayed onto the surface of the feed pellets. This process enhances the nutritional value and palatability of the feed, thereby stimulating the crabs’ appetite and encouraging consumption.
09
Finished Product Packaging
An automated packaging scale is used to pack the finished feed pellets according to specific weight and size specifications, facilitating efficient warehouse management and export logistics.
Auxiliary Equipment for crab feed production
Leveraging 30 years of experience, RICHI Manufacture provides expert technical support at every stage of production to optimize costs. We also offer customized production lines and standalone equipment tailored to specific client requirements, helping you maintain a leading position in the field of crab feed production.
Crusher
Pulverizes various raw materials to the appropriate particle size for pelletizing, ensuring high-quality pellet formation.
Mixer
Blends all raw materials uniformly, guaranteeing that every feed pellet is nutritionally balanced.
Cooler
Reduces the temperature of finished pellets, thereby enhancing their hardness and abrasion resistance.
Screening System
Separates formed pellets from unformed feed particles and recovers fines, ensuring the overall quality of the feed pellets.
Coating System
Uniformly applies various oils, palatability enhancers, functional additives, and other coatings.
Finished Product Packaging Scale
Automatically packages finished pellets according to specific specifications, facilitating convenient storage and transportation.
related aquatic feed production projects
In addition to crab feed pellet machines and various other machinery and equipment related to aquatic animal feed production, RICHI Manufacture also offers customized design services for feed production lines. If you are interested in utilizing our equipment and production lines to enhance your production efficiency, reduce costs, and achieve higher returns, please feel free to contact us at any time.
FREQUENTLY ASKED QUESTIONS
If you have any questions, you can first take a look at these answers.
Under what conditions can the equipment’s output reach its standard capacity?
+
It is quite simple. Provided that the raw materials meet the specified requirements—specifically, having a low impurity content and appropriate fineness—and that the moisture content is properly controlled (maintained within the range of 14% to 18%), and furthermore, that the upstream and downstream auxiliary equipment (for crushing, mixing, and cooling) is fully configured, the actual output of the equipment will indeed reach its nominal rated capacity. If, however, the characteristics of the raw materials change—for instance, due to an excessively high fiber content or a disproportionately high ratio of fish meal—the output may experience slight fluctuations. This is considered a normal occurrence and does not indicate any malfunction within the equipment itself.
Can this equipment be used to produce shrimp and fish feed?
+
Absolutely! By simply swapping out the appropriate dies and adjusting the machine parameters, you can easily switch production modes to manufacture feed for crabs, shrimp, and fish. A single machine serves multiple purposes, eliminating the need to purchase additional specialized equipment—making it an extremely cost-effective solution.
How long do the equipment’s wear parts typically last?
+
Under normal operating conditions, wear parts such as ring dies and press rollers typically have a service life ranging from several hundred to over a thousand hours. The exact duration depends on the raw materials you use (for instance, materials with high crude fiber content will accelerate wear) as well as the equipment’s daily operating hours. All our wear parts are mass-produced to standardized specifications, ensuring a stable supply; whenever your existing parts are worn out, you can readily purchase replacements.
Is this equipment suitable for the high-temperature, high-humidity environments typical of coastal regions?
+
Absolutely! We have specifically developed a specialized model featuring enhanced corrosion resistance. All components that come into direct contact with the processing materials are constructed from stainless steel, while the main body of the machine has undergone rigorous salt spray testing and anti-corrosion treatment. Even when deployed for extended periods in workshops located in coastal areas, the equipment remains highly resistant to rust and operational failure, making it particularly well-suited for use in coastal climatic zones such as Southeast Asia.
Does the service include installation and operational training for the equipment?
+
Yes! These services are provided completely free of charge throughout the entire process. When necessary, we will dispatch engineers directly to your site to handle the installation and commissioning of the equipment. Additionally, we will provide hands-on guidance to your operators regarding daily operations and maintenance, ensuring they become fully independent and proficient in their duties—leaving you with absolutely no cause for concern.
What is the warranty period for the equipment?
+
The complete unit comes with a one-year warranty. During this period, we provide free repair services and component replacements for any equipment malfunctions not caused by human error. Furthermore, we offer lifetime technical support. Regardless of how long the equipment has been in use, should you encounter any issues during operation, we are always available to assist you in resolving them—thereby completely eliminating any future concerns about a lack of support.
