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Project Brief Introduction:

1.Product:Dried Straw Pellet Line

2.Capacity:3-4 T/Hour

3.TONY Brand 3-4 Ton /Hour Dried Straw Pellet Line Project Process

4.Main Machine: Straw Cutter,Hammer Mill,TONY Pellet Machine TYJ551-Ⅲ-110KW,Pellets Cooler,Packing Machine And Belt Conveyors

5.Total Power: About 480 kw

6.Need Area: About  ㎡  L: M  W: M  H: M

Project Layout For Customer:

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1. The working principle of dried straw biomass pellet processing equipment

(1) Pretreatment: Crushing and screening to solve the "morphology" problem

The moisture content of dry straw has reached the standard (usually 10%-15%). The core of pretreatment is to optimize the physical form of the material and prepare for molding.

Dry straw (such as corn stalks and wheat straw) is crushed into fine fibrous materials using a hammer mill. Dry straw is brittle and easier to crush than wet straw, with lower energy consumption and easier to control the uniformity of the material.

(2) Molding: High-pressure extrusion to complete "granulation"

This is the core part of the equipment. The loose material is squeezed into granules of a fixed shape through mechanical high pressure.

The roller in the granulation chamber presses the material tightly against a ring die with a die hole (diameter 6-12mm). Under the action of high pressure, the material is squeezed into the die hole to form a continuous cylindrical strip. Dry straw has less friction, and some equipment will appropriately increase the roller pressure to ensure the molding density.

2. Characteristics of dried straw biomass pellet processing equipment

(1) No drying system, reducing equipment investment and floor space: 

The equipment does not need to be equipped with large drying devices such as drum dryers and hot air furnaces. The overall production line structure is simpler, the initial equipment procurement cost is reduced by 30%-40%, and the plant floor space required for the drying system is saved. 

(2) Low grinding difficulty and lower energy consumption: 

Dry straw has a crisp texture and does not need to overcome the toughness caused by high moisture content during grinding. Only a small hammer mill is needed to crush it to a qualified particle size (3-8mm). The energy consumption per ton of material is 20%-30% lower than that of wet straw. 

(3) Wear-resistant design of forming parts: 

Since dry straw does not contain too much moisture, the friction between the material and the mold and roller is more intense during extrusion. The core components of the equipment (such as ring die and roller) are mostly made of high-hardness alloy (such as Cr12MoV) or surface hardened, and the service life is 15%-20% longer than that of the forming parts of wet straw equipment.

3. Application scenarios of dried straw biomass pellet processing equipment

Straw biomass pellet processing equipment realizes resource recycling by converting agricultural and forestry waste such as straw and wood chips into high-density pellet fuel. Its application covers multiple fields:

(1) Civil field:

home heating and daily energy;

(2) Industrial field:

industrial boiler heating and biomass power plant fuel;

(3) Environmental protection field:

replacing coal to reduce emissions and solve the problem of agricultural waste disposal;

(4) Feed field:

replacing part of silage or hay for cattle, sheep and other animal breeding, which is rich in nutrition.

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TONY Brand 3-4 TPH Dried Straw Line can process dried straw and various biomass materials related to agricultural waste into biomass pellets. Straw processing into biomass pellets has a wide range of uses .As fuel: straw pellet fuel can be used as boiler fuel for power plants, industrial boilers, civil heating and other fields. Its calorific value is similar to coal, but the price is lower, and the combustion process produces fewer pollutants, is a more environmentally friendly fuel. As feed: Straw pellets processed by straw pellet machining can be used as feed for livestock. This method can make full use of crop straw, reduce feed costs, and also help solve the problem of straw disposal. These uses can not only effectively use agricultural waste, reduce environmental pollution, but also create economic benefits and promote sustainable agricultural development.

1. Capacity: 3-4 Ton/Hour

2. Raw materials: Dried straw, including dried corn straw, dried wheat straw, dried cotton straw, dried flax straw, dried beet straw and other agricultural straw

3. Moisture: About 10-15%

4. Application: All kinds of  biomass materials suitable for pellet production.

Suitable customers: Green energy companies, agricultural cooperatives, and small - scale rural processing units that have ready access to straw and related agricultural residues.

5. Finished Pellets Markets: Large power plants, domestic heating systems in rural and suburban areas, industrial heating facilities in rural - based industries, combustion heat applications in local manufacturing units, heating systems in rural schools and community centers, boiler rooms in small - scale rural enterprises, and canteens in rural educational institutions.,farms, feed mills.

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1. Project Name: Dried Straw Production Line

2. Raw Material: Bales of Dried Straw

3. Moisture Content of Raw Material: 10-15%

4. Capacity: 3-4 TPH

5. Process: Grinding Process - Fine Crushing Process - Pelletizing Process - Cooling Process - Packing Process

6. Main Equipment: Straw Cutter -TPX2500-110kw, Effective Hammer Mill- TFD75*100-110kw, TONY Pellet Machine-TYJ551-III-110kw, Galvanized Pellets Cooler, Semi-automatic Packing Machine and Belt Conveyors

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1.Grinding Process

A.The process is mainly used to grind dried straw within 2.2m in diameter into dried straw pieces. The rotary cutting mode of the outer chain of the gear, the rotary cutting rotor blade is sharp, and the blade types are various, which can be rotated to cut various bales of straw with different diameters, different thicknesses, different lengths and different water contents

B.TONY brand straw cutter TPX2500-110kw models *1set

C.Capacity:4-5Ton/Hour/Set

Main Parts:

(1)Tony's New Straw Cutter

(2)Enlarged Turntable

(3)Rotary Cutting System

(4)Drive system

(5)Electrical Cabinet.

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2.Fine Crushing Process

A. The process is mainly used to crush 60-70mm dried straw pieces into 8-14mm dried straw dust.

B.TONY brand effective hammer mill TFD75*100-110kw *1set.

C.Capacity: 3-4 tons/hour.

Main parts:

(1)TONY Effective Hammer Mill

(2)Galvanized Dust Collector.

(3)Sawdust Conveying Fan.

(4)Cyclone With Airlock.

(5)Electrical Cabinet.

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3.Pelletizing Process:

A.This process is mainly used to products pellets with φ6-8mm.

B.TONY brand vertical ring die pellet machine TYJ551-Ⅲ-110kw *2sets

C. Capacity:3-4Ton/Hour.

D.Double Screw Cycling Silo is added above the pellet machine, which has the advantages of saving space, saving labor, intelligently controlling the feeding speed, not easy to block the material, and improving production efficiency.

Main Parts:

(1)TONY New Vertical Ring Die Pellet Machine.

(2)Cyclone And Bags Dust Collectors.

(3)Bearings Automatic Lubrication System.

(4)Electrical Cabinets.

For more equipment details and information, you can contact TONY

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4.Cooling Process:

A.This process is mainly used to cool pellets from 80-90℃ to 20-30℃

B.TONY brand galvanized pellets cooler*1set

C.Capacity:3-4 Ton/Hour.

Main Parts:                                                                                                                                   

(1)TONY's new Galvanized Pellets Cooler Separator With Vibrating Screen.

(2)Cyclone and bags dust collectors.  

(3)Fan Blower.

(4)Connect Pipes.

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5. Packing Process:

A.This process is mainly used to pack pellets into 15-50kg/bags. 

B.TONY brand semi-automatic packing machine* 1set.

C.Capacity:3-4 Ton/Hour.

Main Parts: 

(1)TONY's New Semi-Automatic Packing Machine. 

(2)Sew Machine, buyer Can Also Chose Hot Seal Machine For Chosen,To Confirm With TONY For The Price Difference. 

(3)Bags Transportation Conveyors.

(4)Feeding Inlet Silo.

(5)Electrical Cabinets.

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Cost Advantages of Dry Straw to Biomass Pellets

Cost control is key to project profitability. Dry straw projects offer significant advantages in both initial investment and long-term operations. Dry straw to biomass pellet projects require low equipment investment and low operating energy consumption, lowering the threshold for profitability.

1. Lower Equipment Investment:

There is no need for the costly drying systems (such as drum dryers and hot air furnaces) required for wet straw projects. Total equipment investment is 25%-35% lower than for wet straw projects, significantly reducing initial capital pressure.

2. Lower Operating Energy Consumption:

Dry straw has already reached the desired moisture content (10%-15%), resulting in 30%-50% lower energy consumption per ton of pellet processing than for wet straw projects, saving 20%-30% in annual electricity costs. 

3. Low raw material storage costs:

Dry straw is less susceptible to mold and can be stored for long periods (6-12 months) in ventilated, rainproof sheds. This eliminates the need for silage pits or temperature-controlled warehouses required for wet straw projects, reducing storage facility costs by over 60% and eliminating the need for additional costs such as mold inhibitors.

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Storage Advantages of Straw Pellets

The pellet form fundamentally solves the problems of traditional straw feed: difficult storage and expensive transportation, significantly reducing back-end costs for farms.

1. High Density, Less Storage Space:

The pellet density reaches 0.8-1.0g/cm³, 10-15 times that of loose straw. One ton of pellets requires only 1.2-1.5m³ of storage space, saving over 80% of warehouse space compared to loose straw. They are particularly suitable for small and medium-sized farms with limited space.

2. Moisture-Resistant, Long Shelf Life:

The pellet surface is firm and smooth, making it less susceptible to moisture absorption. Under dry and ventilated conditions, it can be stored for 6-12 months. Loose straw, on the other hand, can easily become moldy and spoil after just one to two months. This prevents livestock and poultry diseases (such as enteritis) and feed waste caused by moldy feed. 

3. Low transportation loss and cost savings:

The pellets are uniformly shaped and dust-free, resulting in a transport loss rate of less than 3% (compared to approximately 10%-15% for loose straw). They also require no specialized transport equipment and can be transported by ordinary trucks. The transportation cost per ton of feed is 40%-50% lower than for loose straw.

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