Production characteristics of double roll extrusion granulator for organic fertilizer production line

The equipment of npk production line basically includes batching machine, pulverizer, mixer, granulator, dryer, cooler, screening machine, automatic packaging machine, belt conveyor, etc. The granulator is a necessary equipment for the production of granular organic fertilizer. What are the characteristics of the roller extrusion granulator?

1. The organic fertilizer double roller granulator has low energy consumption: extrusion granulation is the granulation of materials at room temperature. Compared with other granulation methods, it does not require drying measures such as fuel oil and gas. The production requires only electricity and a very small amount of cooling water (for roller cooling), only about 30 kW/h per ton of product.

2. There is no need to add additional binders: other granulation processes are basically wet processes, and there must be a drying process, corresponding to high energy consumption and high product moisture. In the npk manufacturing process of organic fertilizer roller extrusion granulator, dry granulation does not require additional additives, and only needs to use the intermolecular force of the material itself, which simplifies the process and reduces energy consumption.

3. The organic fertilizer roller extrusion granulator has low investment: because the drying process is omitted, and the material return ratio is low (accounting for about 35% of the total extruder feed), the process flow is simple and the investment is low.

4. A wide range of applicable raw material particle specifications: extrusion granulation has no special requirements for the particle size of raw materials, both 1~4mm granular materials and fine powder materials are available, and powdery materials and powder products with unqualified particle size are better to use , the use of powdered materials can reduce costs.

5. The organic fertilizer roller extrusion granulator has a wide range of capacity: for the extrusion granulation device, the effect of economic scale is not obvious, and the device capacity is 1~50 t/(h. Taiwan) can be designed more economically, Therefore, it is applicable to a wide range of capabilities.

The manure from the breeding farm is processed into fertilizer through organic fertilizer production lines

The manure in the breeding farm mainly comes from animal excrement, wastewater from washing the ground, and feed residues. The amount of fecal pollution is related to various factors such as the scale of aquaculture, animal species, and feeding methods. Taking large-scale pig farms as an example, they may produce hundreds of tons of manure every day. If these feces are not properly treated, they will cause serious pollution to the surrounding environment.

The production process of organic fertilizer mainly includes raw material preparation, mixing and stirring, fermentation and maturation, drying, crushing and screening, and cooling and packaging. Firstly, the collected cow manure will be subjected to preliminary treatment to remove impurities and excess moisture.

Then, mix and stir the processed raw materials in a certain proportion, and send them to the organic fertilizer fermentation equipment for fermentation and maturation. After a period of fermentation, the decomposed organic fertilizer enters the organic fertilizer drying equipment to reduce its moisture content.

Then, after being processed by organic fertilizer crushing equipment and screening equipment, organic fertilizer particles with appropriate particle sizes are obtained. Finally, after the cooling and packaging process, the finished organic fertilizer can be sold at the factory.

The treatment of livestock manure is a key step in achieving environmental protection and sustainable development. By adopting reasonable treatment techniques, promoting ecological breeding models, strengthening policy supervision and technical support, and raising public environmental awareness, we can effectively solve the problem of manure pollution in breeding farms, protect the environment, and achieve sustainable development of animal husbandry.

Composting fermentation technology and granulation process of NPK fertilizer production line

The equipment required for the organic fertilizer production line with an annual output of 100,000 tons includes: trough fermentation turner, horizontal mixing mixer, semi-wet material pulverizer, double roller granulator, rotary dryer, rotary cooler, trommel screen Extension, automatic packaging machine, etc.

The organic fertilizer npk fertilizer production line equipment produces bio-organic fertilizer through composting to improve the nutrients required by crops. The organic fertilizer produced by the composting technology introduced by the organic fertilizer production line equipment manufacturer is produced by the fermentation of biological bacteria. The stacker consists of two parts: stirring and shifting. It can realize the functions of ventilation, crushing and loosening during work, and is a common equipment for the production of organic fertilizers. The orbital turner can change the compost production from a single tank to a multi-tank fermentation under the action of the shifter, and can change the tanks arbitrarily in the multi-tank to realize the use of one machine with multiple tanks.

Different raw materials are suitable for different granulation processes. For example, the water content of pig manure is much larger than that of sheep manure, and the water content directly affects the final granulation result. Which process and organic fertilizer equipment are more suitable for specific production needs to be consulted in detail when planning the construction of an organic fertilizer plant. To determine the shape of the particles is to choose what kind of granulator: powder, column, oblate or standard round. Commonly used granulating organic fertilizer equipment are: disc granulator, rotary drum granulator, wet granulator, roller extrusion granulator, flat die granulator, ring film granulator.

The new wet organic fertilizer granulator is a machine used for organic fertilizer granulation. It is used to granulate various organic substances after fermentation, breaking through the conventional organic granulation process. Before granulation, there is no need to dry and pulverize the raw materials, and the spherical particles can be processed directly with ingredients, which can save a lot of energy.

Selection of Granulation Equipment in Chicken Manure Organic Fertilizer Production Line

The npk fertilizer production line mainly includes feeder, disc mixer, chain crusher, drum granulator, drum dryer, drum cooler, drum screener, finished product warehouse, automatic packaging machine, belt conveyor machine, dust settling chamber, heat exchanger. Choose a suitable organic fertilizer granulator according to specific process requirements. There are many types of granulators, such as roller extrusion granulator, disc granulator, drum granulator, etc. 

Organic fertilizer granulation equipment:

1. Extrusion granulator: When the moisture content of compost is 20% to 30%, it enters the granulator and extrudes into cylindrical granules to help you realize mechanized fertilization. The cost of the mold is high, and the granulation is simple.

2. Disc granulator: It uses the principle of the agglomeration method for the production of inorganic compound fertilizer, but due to the moisture content of the compost, the particle size of the material is coarse, the fiber is large, and the agglomeration is large, so it is difficult to agglomerate into granules. The equipment is small and the production capacity is low, about 30,000 to 50,000 yuan.

3. Double roller granulator: It is agglomeration method with disc granulation. It is huge in size, up to 10 m, and has a large production capacity: the smallest reaches 3 t/h, and the price is more expensive: about 100,000 yuan.

4. Roller extrusion granulator: In the npk manufacturing process,the material is fed from the feeding hopper, extruded by the pair of rollers, demolded into balls, and sent to the crushing screen through a pair of chain transmission. The roller extrusion granulation integrates the powder extrusion molding, crushing, finished product screening and other processes into one, with a compact structure and convenient operation. The powder is continuously and uniformly added to the top of the two rolls from the hopper. Under the continuous rotation of the extrusion roll, the powder is bitten between the two rolls and extruded into a sheet, and then falls off under the action of centrifugal action and the sheet’s own gravity. The shaping wheel with toothed claws is divided into particles after being hit, and then enters the separating screen.

Chain plate overturning machine for treating manure and achieving sustainable development

In addition to producing meat, poultry, eggs and other products, the livestock industry also produces fecal pollution. In the early agricultural system, manure was a source of fertilizer for agriculture. With the rapid development of animal husbandry towards intensification and scale, a large breeding area has a huge amount of manure production, and the local land cannot be digested, which will have an impact on the environment. Nowadays, the constraints of land and environmental capacity are becoming increasingly apparent, and the treatment of livestock and poultry manure has become a key issue affecting the sustainable development of the breeding industry.

Composting is an important technical means for achieving harmless disposal and resource utilization of organic waste, and it is also the main way to fertilize manure. During the composting process, under artificially controllable conditions, aquaculture manure is decomposed and synthesized by microorganisms to form stable humic substances (organic fertilizers), achieving the goal of harmless and resource utilization, which is in line with ecological benefits and economically effective.

The fermentation section requires the application of various effective equipment to regulate fermentation parameters. The application of organic fertilizer turner to operate the fermentation pile is the most common and effective method. The role of organic fertilizer turner in composting production includes stirring materials, adjusting the temperature of the material pile, improving the permeability of the material pile, adjusting the moisture content of the raw material pile, and implementing special requirements for composting technology.

After adopting a chain plate flipper, the fermentation workshop can be divided into a feeding area, a fermentation area, and a discharge area because the flipper moves the materials backwards at a fixed distance during the flipping process. The fermentation raw materials only need to be transported to the feeding area, and can be moved to the discharge area during the flipping process through a stacker. This is different from the all in and all out fermentation mode, which requires the use of a forklift to carry out material distribution and discharge work throughout the entire fermentation area.

The fertilizer production process of the entire organic fertilizer production line

Experiments show that bio-organic fertilizer can reduce the nitrate content of vegetables by 48.3–87.7% on average, increase the content of nitrogen, phosphorus and potassium by 5–20%, increase the content of vitamin C, and reduce the existing content. The increase in total acid, reducing sugar and sugar-acid ratio, especially in tomatoes, lettuce, cucumber, etc, can significantly improve the taste of raw food ingredients. The organic mixed fertilizer has complete organic and inorganic nutrients, balanced nutrition and high nutrient utilization rate, which can effectively improve the soil. This is the fertility trend in our country.

Organic fertilizer npk fertilizer production line: crushing->mixing->granulating->drying->cooling->coating->filtering->drinking sealing->finished product storage.

Organic fertilizer npk manufacturing process: The binder raw materials and other ingredients that must be proportioned are metered according to the proportioning requirements, and discharged into the high-efficiency multi-stage mixer with integrated elevator. Soon, the fully mixed material comes out of the mixer. In the silo, the feeding plate is uniformly and continuously fed and use the double roller granulator to obtain columnar particles; the particle polishing machine shapes the cylindrical particles into round particles, and sends them to the machine through the conveyor belt for drying, cooling and Inspection (three-in-one model), the parts are dried, cooled and tested at low temperature and large air volume (≤65°C) before the dryer, and then enter the cooling unit of the cooler, and the completely cooled material enters the end of the cylinder to place a centrifuge The screen machine and filter transport the filtered finished parts from the elevator to the finished product silo, and are measured by the packaging system and put into storage; the inspected large particles are crushed and returned to the granulation system; the filtered small particles can be made into small packages direct sales.

Fertilizer required for vegetable production using organic fertilizer production lines

The combination of base fertilizer is the premise of soil cultivation. It is understood that the excessive use of organic fertilizer is only an individual phenomenon, and the amount of organic fertilizer in most shanties is generally insufficient. According to the data, the organic matter consumed by one mu of vegetables is about 2,000 kilograms, so applying a sufficient amount can make up for the consumed organic matter. It is generally recommended that the amount of organic fertilizer per mu should reach about 10,000 kilograms. You can choose high-quality livestock manure, rice husk manure, high-quality straw, etc. Of course, you can also use the npk manufacturing process to produce high-quality commercial organic fertilizer mixed fertilizer.

In order to ensure that the base fertilizer can adequately supply the nutrients for the growth of vegetables throughout the growth period, the method of mixing organic fertilizers with chemical fertilizers is often used in the base fertilizers. Use the npk fertilizer production line to mix 100% of the required phosphate fertilizer, 20%-50% of the potassium fertilizer, and 30%-50% of the nitrogen fertilizer into the organic fertilizer. The amount of chemical fertilizer should be adjusted according to the quality and quantity of the organic fertilizer used. On the one hand, adding biological bacterial fertilizer to the base fertilizer can better improve the soil and improve the absorption and utilization rate of nutrients; on the other hand, biological bacterial fertilizer can prevent root diseases and continuous cropping damage by bacteriostasis.

The production of high-quality organic fertilizer comes from excellent organic fertilizer raw materials and advanced production technology. The complete set of organic fertilizer production line equipment is generally: mixing mixer (various raw materials are crushed, proportioned and mixed in a certain proportion during the operation of the organic fertilizer production line), organic fertilizer production line. Granulators, tumblers, dryers, pulverizers, dust removal systems and other equipment, among which granulators are essential for the production of granular organic fertilizers, granulators include double roller granulator, disc granulators , drum granulator, roller granulator, etc.

Large scale organic fertilizer production equipment processing cow manure organic fertilizer

Cow manure, as a high-quality organic fertilizer raw material, has broad application prospects. For the treatment of 10000 cow manure, it is necessary to use large-scale organic fertilizer production equipment to improve production efficiency and product quality.

There are various types of equipment for producing organic fertilizers, mainly including fermentation equipment, drying equipment, crushing equipment, screening equipment, and packaging equipment.

Organic fertilizer fermentation equipment is the core equipment for producing organic fertilizers, which converts organic matter in cow manure into stable humus through aerobic or anaerobic fermentation methods. The organic fertilizer drying equipment is used to reduce the moisture content of the fertilizer for subsequent treatment. The organic fertilizer crushing equipment and screening equipment are respectively used to crush the raw materials into appropriate particle sizes and screen out unqualified particles. Finally, the organic fertilizer packaging equipment packages the finished organic fertilizer for easy storage and transportation.

The required equipment output for the treatment of 10000 cow manure needs to be calculated based on specific production cycles, raw material moisture content, and other factors. Generally speaking, the annual output of large-scale organic fertilizer production equipment ranges from tens of thousands to hundreds of thousands of tons. When selecting equipment, factors such as equipment capacity, raw material processing capacity, floor area, and energy consumption need to be considered. Meanwhile, the selection and maintenance costs of equipment also need to be taken into consideration.

How fertilizer factories utilize NPK production lines to produce compound fertilizers

Compound fertilizers are divided according to their nutrient composition: fertilizers containing nitrogen, phosphorus and potassium are called binary compound fertilizers; fertilizers containing the three elements nitrogen, phosphorus and potassium are called ternary compound fertilizers; in addition to the three nutrients, they also contain Micronutrients are called multi-component fertilizers; in addition to nutrients, they also contain pesticides or auxins are called multifunctional multi-component fertilizers. Classification according to fertilizer composition: It is divided into solid multi-component fertilizer and liquid multi-component fertilizer, and solid multi-component fertilizer can be divided into granular, powder and crystalline forms.

Mixed fertilizer production line According to the production process, mixed fertilizer is a mixed fertilizer that is mechanically mixed into a certain proportion of several elemental fertilizers with relatively consistent granule shapes. Production can be completed using the npk organic fertilizer production line. The npk manufacturing process mainly includes feeder, disc mixer, chain crusher, double roller granulator, rotary drum dryer, rotary drum cooler, rotary drum screening machine, finished product warehouse, automatic packing machine, belt conveyor, dust settling chamber, heat exchanger.

Among them, the double roller granulator is the key equipment for compound fertilizer granulation. It has advanced technology, reasonable design, compact structure, novel and practical, low energy consumption, and is matched with the corresponding equipment to form a small production line that can form a certain continuous production ability, mechanized production, non-drying, room temperature production, product rolling and product quality meet the technical requirements of multi-component fertilizers.

In the npk fertilizer production line, various elemental fertilizers are processed into fertilizers by a certain process. During the mixing process, a small amount of liquid phase can be provided by heating and adding acid, and the economic liquid containing ammonia can be converted to water vapor and granulate each other under limited conditions. It can produce ternary compound fertilizer. Similarly, the addition of other nutrients or drugs can create a multi-functional compound fertilizer.

Equipment selection for constructing organic fertilizer plants near breeding farms

Firstly, there must be a workplace. The area of ​​organic fertilizer equipment is mainly related to the annual output, which is generally divided into the following categories:

An organic fertilizer processing plant with an annual output of 5,000 tons needs 1,000-1,500 square meters;

An organic fertilizer processing plant with an annual output of 10,000 tons requires 1500-2000 square meters;

An organic fertilizer processing plant with an annual output of 20,000 tons requires 2000-2500 square meters;

An organic fertilizer processing plant with an annual output of 30,000 tons requires 3,000-3,500 square meters;

An organic fertilizer processing plant with an annual output of 50,000 tons requires 5,000-6,000 square meters;

Secondly,choice of organic fertilizer equipment:

1. Determine the size of the organic fertilizer equipment: such as how many tons per year, or how many tons per hour, to determine the price.​​​​

2. Determine the shape of the particles, that is, what kind of granulator to choose: powder, column, oblate or standard circle. Commonly used organic fertilizer granulation equipment are: disc granulator, rotary drum granulator, wet granulator, double roller granulator, flat die granulator, ring film granulator. The choice of granulator should be determined according to the local fertilizer sales market.

3. Determine the configuration level of organic fertilizer equipment: the level of equipment configuration is different, the price of organic fertilizer equipment is different, the amount of labor is different, and the stable and high yield of organic fertilizer equipment is also different. Automatic packaging device, automatic dosing device, cyclone dust removal and water dust removal.​

4. Determine the type of fertilizer to be produced. Generally, there are 4 kinds of organic fertilizers, pure organic fertilizer, organic-inorganic compound fertilizer, bio-organic fertilizer, and microbial compound fertilizer. There are also subtle differences in organic fertilizer equipment, npk fertilizer production line, organic fertilizer production lines, and bio-organic fertilizer production lines. The lines are slightly different.