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How to Convert Chaff Waste Into Fuel Pellets?

Date: 12/23/2020 08:35:35 From: Clicks:

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How to Convert Chaff Waste Into Fuel Pellets? The biomass pellet fuel produced by this project is a solid fuel produced by rice husk processing and extrusion. It is easy to store, transport, easy to use, without any harmful additives, high in combustion efficiency, clean and environmentally friendly, and can be used for civilian use. , And can replace coal as fuel for industrial boilers.

Rice Husk Biomass Pellets Construction Project
Rice Husk Biomass Pellets Construction Project

1. Project Construction Content

A Biomass Pellets Co., Ltd. of Yiyang City invested RMB 1 million to build a biomass pellet production line project with an annual output of 15,000 tons in Heshan District, Yiyang City, Hunan Province. The project covers an area of ​​2866m2. See Table 1-1 for details.

Table 1-1 List of project construction content

Table 1-1 List of project construction content
  Engineering category Engineering Content Remarks  
structural work
Two production lines are set up, located in the production workshop. The production workshop covers an area of
1000m2 and is a closed workshop. It is expected to produce 15,000 tons of biomass particles per year.
Storage and Transportation Engineering
Raw material workshop Covers an area of ​​1000m2, closed workshop existing  
Finished product yard Located in the production workshop, covering an area of ​​500m2, closed workshop existing  
transport vehicle 1 forklift  
Auxiliary engineering
Integrated office
Located on the northeast side of the plant, it mainly includes restrooms, toilets and offices,
Weighbridge 120t  
Public works
Water supply The water for this project comes from municipal water existing  
Rain and sewage diversion system, this project does not require water for production, no production wastewater is produced, and
domestic sewage is treated by a tertiary septic tank and used for vegetable field fertilization.
powered by One 400kw/h transformer in the factory existing  
  Environmental Engineering  
Waste gas treatment
The raw material storage, transportation, loading and unloading dust, product storage, transportation, loading and unloading, and packaging dust generated by this project are discharged in an unorganized form after settlement in the workshop; the granulating dust is treated by cyclone dust collector + bag dust removal and settles in the workshop. Then it will be discharged in an unorganized form.
Reduce unorganized dust emissions from the project by strengthening management and other measures.
Wastewater treatment
This project does not need water for production, and no production wastewater is produced. Domestic sewage is treated in a
tertiary septic tank and used for vegetable fertilization.
Noise control
Rational distribution, use low noise device, damping sound insulation to take measures to strengthen equipment maintenance
care, etc.
Solid waste treatment and disposal  
The dust collected by the ground sweeping dust and dust removal system is reused for production;
3m3 general solid waste temporary storage room
The damaged waste cloth bags are temporarily stored and sold outside.
Waste lubricating oil in the factory after the temporary referred Yiyang City Yinhai environmental technology has
Limited treatment and disposal, waste oil drums referred lubricants manufacturers to provide recycling;
1m2 of temporary storage room for hazardous waste,
The domestic garbage is collected and handed over to the sanitation department for unified collection and treatment. existing  
  Relying on engineering Yiyang municipal solid waste incineration hair
Yiyang Municipal Solid Waste Incineration Power Plant is located in Qingshan Village, Xielingang Town, Yiyang City, Hunan Province, with a total area of ​​60,000 square meters, or 90.0 mu. The total investment is 50.46 million yuan, and the service scope covers the main urban area of ​​Yiyang City and some surrounding towns and towns and the eastern new district. The mechanical grate furnace incineration process is adopted, and two 400t/d waste treatment production lines are selected.  

2. Product Plan

The product of the project is mainly shaped biomass pellet fuel, with an estimated annual output of 15,000 tons of shaped biomass pellets. The product plan and product quality are as follows:

Table 1-2 Product plan and product quality

product name Designed production capacity
(10,000 tons/a )
product quality
Molded biomass pellets 1.5 diameter Approximately 8mm
length Approximately 8cm
Total moisture 18.0%
Moisture 7.82%
Ash 10.92%
Volatile 66.43%
Calorific value 16190kJ
Total sulfur mass fraction 0.08%
Hydrogen content 3.14%

3. Main Technical and Economic Indicators

Table 1-3 of the main economic and technical indicators of this project.

Table 1-3 List of main economic and technical indicators

Serial number Functional area Area ( m 2 ) Remarks
1 Weighbridge 120t built
2 general Office 200m2 1st floor, built
3 Raw material workshop 1000m2 10m high, built
4 Production workshop 1000m2 10m high, built
5 Finished product area 500m2 Located in the raw material workshop, has been built
6 General solid waste temporary storage 3m2 To be installed in the production workshop, newly built
7 Temporary storage room for hazardous waste 1m2 To be installed in the production workshop, newly built
8 Three-stage septic tank 6m3 New
9 extinguiser pool 6m3 New

4. Main Raw and Auxiliary Materials

Rice harvest

The main raw and auxiliary materials of this project are shown in Table 1-4.

Table 1-4 List of main raw and auxiliary materials

name Dosage / year source
rice husk 15031t Lanxi Rice Factory
water 120m3/a Municipal water
Electricity / Comes with a 400kw/h transformer
Packaging Materials About 600 Weight 25kg±5kg
lubricating oil Maximum storage capacity 0.2t/a gas

5. Main Production Equipment

The main production equipment of this project is shown in Table 1-5.

Table 1-5 List of main production equipment

Serial number name model Quantity Remarks
1 Rice Husk Pellet Machine Longteng LT700 2 Rely on existing
2 Chakron / 2 Rely on existing
3 Three-phase asynchronous motor YX3-315L1-4 2 Rely on existing
4 Forklift Liugong 30 2 Rely on existing
5 Belt conveyor / 5 Rely on existing
6 Centrifugal Fan 9-19-4A 2 Rely on existing

6. Work System and Labor Quota

This project relies on the existing engineering labor quota, no more new employees, 5 production employees, one-shift system, each shift is 8 hours, and the annual work is 300 days. No board and lodging are provided.

7. Process Flow:

The production process of this project is relatively simple. All processes are physical processes. Pellet Machine: the rice husk in the raw material storage yard is transported to the Pellet Machine equipment through the sealed auger. The principle of the granulator is that the fine material is crushed and squeezed by rollers. It is deformed and extruded under high pressure into pellets without any additives.

(1) Raw materials

The raw materials of the project are transported by vehicles to the raw material storage yard for backup, and a certain amount of dust is generated during the raw material transportation.

(2) Pellet Machine

The rice husk raw materials of this project do not need to be crushed, and can directly enter the granule machine-made Pellet Machine. The raw material for biomass Pellet Machine is only rice husk without any additives. The Pellet Machine process generates dust and noise of the granulator.

(3) Packaging

The compressed biomass pellets generally have a temperature of 40-50°C, and they need to be cooled in the case of packaging. The pelletized product is transported to the finished product yard by a conveyor belt for natural cooling, and then packaged after cooling. The packaging process of this project is manual packaging .

The raw materials purchased in this project are all dried rice husks with a moisture content of about 8%. The project will no longer dry the raw materials. The formed biomass fuel is small in size, large in specificity, resistant to combustion, and convenient for storage and transportation.

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