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Project Brief Introduction:

1.Product:Wet Hay/Grass/Alfalfa Pellet Line

2.Capacity:8.5-9.5 Ton/Hour

3.TONY Brand 8.5-9.5 Ton /Hour Wet Hay/Grass/Alfalfa Pellet Line Project Process

4.Main Machine: Straw Cutter,Hammer Mill,Rotary Drum Dryer,TONY Pellet Machine TYJ760-Ⅲ-185KW,Pellets Cooler,Packing Machine And Belt Conveyors

5.Total Power: About 1320 kw

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

Project Layout For Customer:

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1. The working principle of wet hay/grass/alfalfa biomass pellet processing equipment

(1) Extrusion molding: The pre-treated material enters the core components of the pelletizer - the ring die and the roller group. The ring die is a ring-shaped metal mold with uniform small holes (usually 6-12mm in diameter). The roller group rotates at high speed inside the ring die, forcing the material into the small holes of the ring die. The material is subjected to high temperature (heat generated by extrusion friction) and high pressure in the small holes, and the cellulose, hemicellulose and other components inside are slightly softened to form a compact column. 

(2) Cutting and cooling: After the column is extruded from the other side of the ring die, it is cut into pellets of a set length (usually 3-10mm) by a cutter. The temperature of the pellets just extruded is relatively high (about 70-90℃) and needs to be cooled to room temperature by a cooler (mostly countercurrent type) to further reduce the moisture content and prevent the pellets from mold.

2. Characteristics of wet hay/grass/alfalfa biomass pellet processing equipment

The core component of biomass pelleting from wet hay/grass/alfalfa is the ring die pellet mill, optimized for wet materials:

(1) Enhanced wear resistance of the ring die/pressure roller: Made of high-chromium alloy with a hardened surface, resisting wear from residual impurities (such as soil) in the wet material and extending its service life;

(2) Anti-clogging feeding structure: The feed inlet is equipped with a stirring and pushing device to prevent the wet material from arching and accumulating at the inlet;

(3) Adaptable extrusion parameters: The ring die diameter is mostly 6-12mm, and the pressure roller pressure is adjustable (usually 50-100MPa), ensuring that the semi-wet material is fully compacted and formed in the die hole.

3. Application scenarios of wet hay/grass/alfalfa biomass pellet processing equipment

Application Scenario: Livestock companies can set up small or medium-sized pelleting lines within their facilities to process fresh hay, grass, or alfalfa based on daily feed needs. The pellets can be fed directly or stored short-term (maintaining a stable moisture content of 10%-15% for 3-6 months).

Suitability: Herbivorous livestock and poultry, such as dairy cows and beef cattle, have a high demand for grass feed, and purchasing pre-made pellets from external suppliers is costly. Farming companies can directly purchase wet grass and process it into pellets using their own equipment, thus ensuring feed freshness (no additives) while reducing intermediate price premiums.

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TONY Brand 8.5-9.5 TPH Wet Hay/Grass/Alfalfa Line can process wet grass and various biomass materials related to agricultural waste into biomass pellets. Grass processing into biomass pellets has a wide range of uses .As fuel: grass 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: grass pellets processed by grass pellet machine can be used as feed for livestock. This method can make full use of grass, reduce feed costs, and also help solve the problem of grass 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: 8.5-9.5 Ton/Hour

2. Raw materials: Wet Hay/Grass/Alfalfa

3. Moisture: About 30-35%

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 wet grass 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: Wet Hay/Grass/Alfalfa Production Line

2. Raw Material: Bales of Wet Hay/Grass/Alfalfa

3. Moisture Content of Raw Material: 30-35%

4. Capacity: 8.5-9.5 TPH

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

6. Main Equipment: Straw Cutter -TPX2000-90kw, Effective Hammer Mill- TFD75*132-132kw, Rotary Drum Dryer-2.5*24m ,TONY Pellet Machine-TYJ760-III-185kw, Galvanized Pellets Cooler, Double Packing Machine and Belt Conveyors

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1.Grinding Process: 

A.The process is mainly used to grind wet hay/grass/alfalfa within 1.8m in diameter into wet hay/grass/alfalfa 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 grass with different diameters, different thicknesses, different lengths and different water contents

B.TONY brand straw cutter TPX2000-90kw models *3sets

C.Capacity:3-4 ton/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 wet hay/grass/alfalfa pieces into 8-14mm wet hay/grass/alfalfa dust.

B.TONY brand effective hammer mill TFD75*132-132kw *2sets.

C.Capacity: 8.5-9.5 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.Drying Process: 

A.This process is mainly used to dry the hay/grass/alfalfa dust from 30-35% to 10-15%.  

B.Capacity: 8.5-9.5 tons/hour.

C.TONY use 1set of 2.5*24m rotary drum dryer for this process,TONY hot stove is made of firebrick pan, shell with H steel plate as the frame.   There are 3 layers of fire blocking device inside, which can effectively prevent the fire from entering the tumble dryer.Customers can choose to use waste wood, biomass pellets, natural gas, etc. as fuel for the hot air furnace

TONY dryer use spiral tube material, and is not easy to deform.Unlike other manufacturers with iron plate splicing welding, very easy to deformation.

Main Parts: 

(1)TONY's Rotary Drum Dryer Main Body.(Reducers With Motors and Pips)

(2)TONY's  Hot Stove.

(3)Fan Blower+Cyclone With Airlock.

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4.Pelletizing Process:

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

B.TONY brand vertical ring die pellet machine TYJ760-Ⅲ-185kw *3sets

C. Capacity:8.5-9.5 tons/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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5.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:8.5-9.5 tons/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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6. Packing Process:

A.This process is mainly used to pack pellets into 15-50KG/Bags. 

B.TONY brand double packing machine* 1set.

C.Capacity:8.5-9.5 tons/hour.

Main Parts: 

(1)TONY's New Double 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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1. Project investment and economic benefits

(1) Investment scale: The investment scale of the project depends on factors such as production scale, equipment selection, and plant construction.

(2) Economic benefits: The sales price of alfalfa pellets is relatively high, and the production costs include raw material procurement, equipment depreciation, energy consumption, and labor wages.

2. Project risks and countermeasures

(1) Raw material supply risk: The yield and quality of alfalfa and other grasses are affected by factors such as climate and planting area, and there may be insufficient raw material supply or unstable quality. The countermeasure is to establish a stable raw material supply channel and sign long-term cooperation agreements with local growers or cooperatives to ensure the supply of raw materials.

(2) Market risk: The competition in the biomass pellet market is becoming increasingly fierce, and market prices may fluctuate. The countermeasure is to strengthen market research, timely understand market demand and price changes, optimize product quality and services, and improve market competitiveness.

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Economic and Application Advantages—High Cost and Application Adaptability

1. Low Raw Material Cost:

Grass resources such as alfalfa are abundant, especially in growing areas. The purchase price of raw materials is generally lower than that of wood materials, and they can be purchased locally, reducing transportation costs.

2. Low Barrier to Use:

The pellets have a regular shape and require no complex pretreatment. They can be directly integrated into existing biomass combustion equipment (such as pellet stoves and biomass boilers) without requiring large-scale equipment modifications, making them a low-cost alternative to traditional fuels (such as coal and liquefied petroleum gas).

3. Potential for Added Value:

By adjusting the processing technology (such as controlling protein retention), some grass pellets can be used as roughage for livestock, or further extracted for fiber and active ingredients, expanding their application and increasing the product's added value.

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