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The range of raw materials that the rotary drum granulator can process

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The biggest highlight of rotary drum granulator is its strong adaptability to raw materials. It covers almost all powdery and finely divided fertilizer raw materials. It does not require complicated modification processing and is suitable for the production of organic fertilizers, compound fertilizers, biological fertilizers and other categories. It can be divided into three major categories: 1. Organic raw materials Decomposed livestock and poultry manure (chicken manure, sheep manure, cow manure, pig manure), crushed straw, sawdust, fungus residue, sugar residue, sludge, kitchen fermentation materials, cakes and other agricultural and industrial organic waste are the core processing equipment of the organic fertilizer production line. 2. Compound fertilizer raw materials Basic chemical fertilizer powders such as urea, monoammonium phosphate, diammonium phosphate, potassium chloride, potassium sulfate, calcium magnesium phosphate fertilizer, bentonite, kaolin, etc. can process high, ...
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How to Maintain the double Roller press Granulator?

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  After daily shutdowns, promptly clean residual raw materials from the roller shells and feed hopper to prevent material caking and corrosion of the roller surfaces; do not use hard objects for scraping, as this can cause wear or tooth damage to the roller shells. Check the gap between the roller shells during every shift to ensure uniformity; make fine adjustments if the deviation is excessive to prevent uneven granule size. Regularly replenish grease in the gearbox and bearing housings—adding grease every three days and performing a complete oil change monthly—to prevent dry friction caused by a lack of lubrication. Clean dust from drive chains and belts, maintain proper tension (tightening them promptly if loose), and immediately replace any damaged parts. Before startup, check the tightness of all bolts—paying special attention to the roller pressing assembly and the machine frame's anchor bolts—to prevent loosening due to operational vibration. Strictly prohibit hard metal ob...
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FAQ:What are the common problems in the production of bio-organic fertilizer?

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Answer: The production of bio-organic fertilizer involves many processes and requires high levels of process control. New factories and those in mass production commonly encounter four main categories of common problems: fermentation, granulation, quality, and cost. These are also the core issues affecting fertilizer compliance and production efficiency. First is inadequate fermentation and composting. This is the most common problem in production, mostly caused by an imbalance in the dry-to-wet ratio of raw materials, improper inoculum addition, and untimely turning. This easily leads to incomplete fermentation, residual pathogens and insect eggs, root and seedling burn in the finished fertilizer, and may also be accompanied by a pungent odor, mold, and blackening, directly resulting in products that do not meet industry testing standards. Second is poor granulation formation. Excessive or insufficient moisture content in the composted material, uneven powder particle size, and chaot...
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FAQ:What equipment is needed for a bio-organic fertilizer production line?

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Answer: A complete bio-organic fertilizer production line is configured according to the entire process of fermentation, pretreatment, deep processing, and finished product treatment. The core equipment is divided into four categories, suitable for small and medium-sized plants as well as large-scale production, and can meet the processing needs of raw materials such as livestock and poultry manure, straw, and kitchen waste. First, there is the raw material pretreatment equipment, mainly including crushers, screening machines, and mixers. Various organic fertilizer raw materials need to be crushed and refined by the crusher to remove large impurities, then screened to select qualified materials, and finally the mixer evenly mixes the raw materials, fermentation inoculum, and auxiliary materials to ensure uniform and stable fermentation results. Second, there is the core fermentation and maturation equipment, mainly the trough-type compost turner, which is a key piece of equipment in b...
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FAQ: What raw materials can be processed by a bio-organic fertilizer production line?

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Answer: Bio-organic fertilizer production line s utilize a wide range of raw materials, primarily agricultural and livestock waste as well as agricultural and forestry by-products. These materials are easily accessible, low-cost, and align with environmental standards for waste recycling. The vast majority of organic waste can be processed into high-quality organic fertilizer through fermentation, making the process ideal for large-scale production facilities. First are livestock and poultry manures, which serve as the core raw materials—offering the best results and most frequent use. These include chicken, cattle, pig, sheep, and duck manure. Such manures are rich in organic matter and nutrients, ferment and decompose easily, and yield a stable, effective finished product; they are the primary raw materials for organic fertilizer plants and are suitable for producing both powdered and granular fertilizers. Next are crop stalks and agricultural/forestry waste, including corn stalks, w...
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How is bio-organic fertilizer processed from raw materials to the finished product?

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Bio-organic fertilizer differs from ordinary organic fertilizer; its core advantage lies in being rich in functional, beneficial live bacteria, offering the combined benefits of soil improvement, nutrient activation, and the suppression of soil-borne diseases. Many growers and industry professionals are curious about the processing steps involved in producing certified bio-organic fertilizer—from raw material selection to the final product leaving the factory. The process is standardized and rigorous, comprising five key stages: raw material handling, high-temperature fermentation, refinement, granulation and drying, and packaging and inspection. Raw material selection and pre-treatment form the foundation of the process. Bio-organic fertilizers utilize natural organic materials such as cattle manure, chicken manure, crop straw, soybean meal, and humus-rich soil. Impurities like plastics and stones are first removed through a combination of manual and mechanical methods. Subsequently, ...
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Key Steps in Bio-organic Fertilizer Production

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Bio-organic fertilizer is an eco-friendly agricultural input used to improve soil quality and boost crop yields; its quality depends entirely on a standardized production process. The production workflow consists of interconnected stages, with four core steps: raw material pretreatment, high-temperature composting/fermentation, granulation, and screening/packaging. Each step directly determines the fertilizer's viable microbial count, organic matter content, and ultimate field performance. Raw material pretreatment is the fundamental step in the production of bio-organic fertilizer . The primary raw materials—such as livestock manure, crop stalks, and agricultural waste—undergo sorting, impurity removal, and crushing to eliminate contaminants like stones and plastic. Next, the carbon-to-nitrogen (C/N) ratio and moisture content are adjusted; moisture is controlled at approximately 55% to ensure an optimal environment for microbial proliferation. Specialized functional microbial age...
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