Analysis of Blended Fertilizer Production Line: Process, Equipment, and Industry Trends

1、 Core Definition and Process Flow

The mixed fertilizer production line (BB fertilizer production line) is an automated system that mixes granular basic fertilizers such as nitrogen, phosphorus, potassium, and trace elements in specific proportions to produce compound fertilizers. The core process flow is:

Raw material pretreatment: Crush block shaped raw materials into powder or particles through a crusher to ensure uniform mixing in the subsequent process.

Automatic batching: The fully automatic quantitative batching system accurately measures various raw materials (such as urea, diammonium phosphate, potassium chloride, etc.) according to the formula requirements, and transports them to the mixer through belt conveyors or pneumatic conveying.

Efficient mixing: The mixer adopts double spiral stirring, drum rotation or three-dimensional structure to fully roll and axially move fertilizer particles, achieving gentle and uniform mixing with a particle breakage rate of less than 3%.

Finished product processing: The mixed fertilizer is transported by a hoist to the packaging scale bin for automatic weighing, packaging and sewing, and finally transported out of the finished product through a belt conveyor.

Typical configuration: storage bin → feeder → measuring scale → mixer → elevator → packaging machine → automatic sewing machine → finished product transportation belt conveyor → computer control system.

2、 Equipment type and specifications

Classified by production capacity:

Small scale line: capable of producing 3-6 tons per hour, suitable for small fertilizer factories or operating enterprises, with a small footprint and low equipment investment (such as Zhengzhou Yongcheng Machinery Equipment Products, priced at about 9200 yuan/unit).

Medium scale production line: capable of producing 7-18 tons per hour, meeting the needs of medium-sized production, such as Anhui Xinyuan Packaging Technology products, priced at approximately 108000 yuan per piece.

Large scale production line: capable of producing 20-30 tons per hour, suitable for large-scale production, such as an annual production line of 200000 tons, with a price of over 120000 yuan per piece.

Classified by mixing method:

Drum mixer: low-speed rotation (20-40rpm), combined with internal spiral blades, achieves gentle mixing and low particle breakage rate.

Double helix mixer: adopts non-destructive mixing technology to prevent the separation of finished products after mixing, and has high mixing uniformity (has obtained national patents).

Special Design:

Anti corrosion type: For humid areas, stainless steel material and special anti-corrosion measures are used to extend the service life of the equipment.

Ground feeding type: The batching system is placed below and lifted in buckets to reduce material contact with air, avoid moisture absorption and regain, and is suitable for humid environments in the south.

3、 Technological advantages and innovation

Accurate ingredients:

Split combination automatic batching machine, one warehouse, one weighing, continuous weighing, high batching accuracy, reducing nutrient loss (saving about 20 yuan in cost per ton).

The computer control system can store 20 formulas and supports manual, automatic, and composite settings to meet diverse production needs.

Efficient mixing:

The mixer has a unique design, fast feeding and discharging, and the mixing uniformity reaches the industry-leading level.

Batch intermittent mixing method ensures stable quality of each batch of products.

Intelligent management:

The main control room can monitor the real-time operation status of equipment, connect printers and computers through high-speed communication interfaces, and achieve modern production data traceability and management.

Environmental Protection and Energy Conservation:

The equipment has no hidden particles or dead corners, making it easy to clean after shutdown and reducing material waste.

Low speed operation design reduces energy consumption and meets the requirements of green production.