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Biomass fuel pellets mainly refer to the densely formed products of plant biomass, which are renewable energy sources, and mainly refer to the lignocellulose (referred to as lignin) in the agricultural and forestry production process except for grain and fruit. ), scraps of agricultural products processing industry, agricultural and forestry wastes, and livestock manure and wastes in the production process of animal husbandry. As a new commercial energy source, biomass pellets have been widely used in various industries.
Because of its high density, high calorific value, regular shape, and good fluidity, it is convenient to realize automatic combustion control. Through special combustion equipment, it is convenient to carry out energy-saving transformation of existing industrial boilers, especially for production coal-fired alternatives to biomass pellet fuels can save companies a lot of energy costs.
Biomass pellets, as a kind of renewable energy capable of material production, are increasingly being favored and valued by countries all over the world. The development of biomass pellets is extremely important for alleviating the energy crisis and protecting the national security.
In view of the large market potential of biomass pellet production, combined with its own capital and technical advantages and the human resource advantages around the 6t/h factory price straw wood pellet processing plant project area, the project customer, Feixian Shengchuan Biomass Fuel Company, decided to invest in the construction of the biomass agriculture waste wood pellet processing plant project.
Straw wood pellet processing plant workshop
The high quality 6tph automatic biomass straw wood pellet processing plant project has been put into operation in July 2020. After it is put into operation, it will form a production scale with an annual production of 15,000 tons of biomass pellets, with an annual sales income of 8 million yuan(1256000USD) and an annual profit of 500,000 yuan(78500USD).
Not only that, the completion and commissioning of this customized biomass straw wood pellet processing plant project can also solve the employment problem of 10 people, which has good economic and social benefits.
The 6t/h automatic straw wood pellet line plant project with an annual production of 15,000 tons of biomass pellets is a new build project. The 6t/h antomatic wood pellet mill line plant is located at 290 meters north of Ganlin Village, Feixian County, Linyi City, Shandong Province, includes 2 biomass pellet production lines and other auxiliary facilities and public works.
The total investment of the 6tph high quality ce straw wood pellet mill line plant project is 1 million yuan (157000USD), of which 70,000 yuan (11000USD) is invested in environmental protection, with a total area of 3000m² and a total construction area of 3,500m².
The high return 6 tph straw wood pellet line plant project has a staff of 10, and the annual production time is 300 days, with 8 jobs per day, 2400 hours of operation per year, and the payback period of investment is 2 years.
According to the running time of the best solution straw wood pellet processing plant project, it can be calculated that the output of the project is 6 tons per hour, 50 tons per day, 1250 tons per month.
| 1 | Wood pellet processing plant scale | |
| (1) | Biomass fuel pellets | 15000t/a |
| 2 | Annual operation day | 300d (2400h) |
| 3 | Dosage of main raw materials | |
| (1) | Biomass such as straw and wood chips | 16015.9t/a |
| (2) | Lubricant | 0.1t/a |
| 4 | Utilities consumption | |
| (1) | Water | 120m3/a |
| (2) | Electricity | 100,000 kW·h/a |
| 5 | Full factory quota | 10 people |
| 6 | Occupation area | 3000m² |
| 7 | Total construction area | 3500m² |
| 8 | Financial Evaluation | |
| (1) | Total straw wood pellet production line plant project investment | 1 million yuan(157000USD) |
| (2) | Annual sales revenue | 8 million yuan(1256000USD) |
| (3) | Total production cost | 7.5 million yuan(1178000USD) |
| (4) | Total annual average profit | 500,000 yuan(78500) |
| (5) | Investment payback period | 2 year |
| Product name | Yield | diameter |
|---|---|---|
| Biomass pellets | 15,000 t/a | 6-10mm |
The main raw and auxiliary materials and power consumption of this 6 tph on selling good complete straw wood pellet prodcution plant project are shown in the following table:
| Name | Annual consumption |
|---|---|
| 1. Raw materials | |
| Straw, wood chips, wood shavings, sawdust and other substances | 16015.9 t/a |
| Lubricant | 0.1 t/a |
| 2. Power | |
| Water | 120 m3/a |
| Electricity | 100,000 kW·h/a |
The product of this 6t/h automatic straw wood pellet line plant project is shaped biomass pellet fuel. The main raw materials are straw and wood chips, including raw material receiving, crushing, feeding, primary magnetic separation, screening, secondary magnetic separation, granulation, cyclone dehumidification, cooling, packaging, etc. The main straw wood pellets manufacturing process flow is as follows:
Send the purchased straws, wood chips and other raw materials to the raw material warehouse by transport vehicles, and then manually unload them. Straw, wood chips (water content is about 15%).
Use a straw and wooden scrape crusher to pulverize the straw, and the particle size after pulverization is less than 1cm, so that the straw can be pulverized into raw materials of corresponding specifications.
Manually use the loader to feed the raw materials into the lower hopper. The raw materials discharged from the two lower hoppers enter the magnetic separation through the conveyor belt.
The powdery materials in the lower hopper are transported by a closed conveyor belt, and a magnet is installed above the conveyor belt to remove metal impurities. Because the conveyor belt is closed for transportation, dust emission is not considered during the material transportation process.
Biomass particles are sent to the trommel screen through a closed conveyor belt for screening. The sieve hole diameter of the drum screening machine is about 8-10mm.
During screening, large materials with a particle size greater than 10mm remain on the surface of the screen and are cleaned regularly; the rest of the powdery materials enter the lower hopper of the drum screen and are sent to the granulator through a closed conveyor belt.
The qualified particles after screening are transported through a closed conveyor belt, and a magnet is installed above the conveyor belt to remove impurities such as metals mixed in the raw materials. Because the conveyor belt is closed for transportation, dust emission is not considered in the material transportation process.
The material after the secondary magnetic separation is conveyed to the wood & straw pellet machines by the closed conveyor belt for granulation. Use a wood& straw pellet machines to compress the raw materials into granules with a diameter in the range of 8mm~10mm and a density in the range of 0.8t/m3~l.2t/m3.
The physical pressure of the wood & straw pellet machines increases the temperature of the pellets to 75-80℃. The finished product has a moisture content of about 5%, and the formed biofuel pellets have a large proportion and small volume, which is convenient for storage and transportation. It is a high-quality solid fuel with high volatile content.The wood& straw pellet machines are composed of a feeding conveyor, a compressor and a discharging machine. The material is fed into the material inlet by the feeding conveyor, and the main shaft rotates to drive the pressure roller to rotate.
After the pressure roller rotates, the material is forced to be extruded into pellets from the mold hole and falls from the material outlet. The wood & straw pellet machines adopts the principle of interaction between the extrusion force between the flat module and the pressure wheel and the friction force of the die hole to make the material extruded into shape.
The straw wood pellet machine pressing process pressurizes the biomass to solidify and shape, and the pressing pressure is about 40 MPa. There is no need to add any additives during the processing of the materials.
The pelletized biomass pellets are sent to the cooling tower by the closed conveyor belt for cooling, and the cooling method is air cooling.
After cooling, qualified biomass pellet fuel is manually metered, bagged, and stored for sale.
The main wooden pallet making machine of this 6tph on selling agriculture waste straw wood pellet prodcution plant project is shown in the following table:
| Straw wood pellet fuel production machine name | Quantity | Model |
|---|---|---|
| Crushing section | ||
| Conveyor | 2 | ZSJ70*40 |
| Slicing machine | 2 | TREX6585A |
| Crushing section | ||
| Conveyor | 2 | PSJ80*12 |
| Inverter | 2 | / |
| Magnetic plate | 2 | / |
| Straw wood chip crusher machine | 2 | GXP75*120 |
| Fan | 2 | CM-8C |
| Cyclone separator | 2 | Φ120*3 |
| Screw conveyor | 2 | U325*4.5M |
| Air shut-off device | 2 | BFY-600 |
| Bag dust collector | 2 | 180 holes |
| Conveyor | 2 | PSJ80*10 |
| Pelletizing section | ||
| Conveyor | 8 | / |
| Inverter | 8 | / |
| Straw granulator wood pellet mill press machine | 8 | MZLH |
| Lubricating oil pump | 2 | / |
| Air-cooled dust removal | 8 | / |
| Cooling and packaging section | ||
| Conveyor | 2 | PSJ50*16 |
| Cooling machine | 2 | SKLN-4 |
| Leveler | 2 | / |
| Fan | 2 | AN9C |
| Cyclone separator | 2 | φ200 |
| Conveyor | 2 | PSJ50*20 |
| Silo | 2 | 4*3.5*(1.5+3) |
| Packaging machine | 4 | / |
The power supply for this 6t/h automatic straw wood pellet processing plant project is provided by the Tanyi Town Power Supply Station. The 6t/h automatic straw wood pellet processing plant factory has its own 250kVA transformer, which can be transformed to 380V/220V for the power consumption of the straw and wood pellet production project.
The average power consumption is 41.67kW, and the annual power consumption is 41.67kW. The capacity is about 100,000 kW·h.
The water source of this 6t/h automatic straw wood pellet processing plant project is groundwater, and a 20m deep self-provided well is set up in the plant area. The water used in this 6t/h automatic straw wood pellet processing plant project is mainly the domestic water used by the employees, and the one-time water consumption is about 120m3/a.
The composition of this 6t/h automatic straw wood pellet processing line project is shown in the table below.
| Project category | Project name | Project content |
|---|---|---|
| Main project | Production workshop | 1 storey, construction area of 1500m², steel frame structure. The workshop is equipped with production equipment such as vibrating conveyor and new technology agricultural wood chips crusher. The workshop of this automatic straw wood pellet line project is a closed workshop. |
| Auxiliary project | Finished product warehouse | 1 tower, 1 storey, construction area of 1500m², steel frame structure, used for temporary storage of finished products. |
| Office | 1 tower, 3 floors, building area of 300m², brick-concrete structure, mainly used for operation and management. | |
| Miscellaneous room | 1 tower, 1 storey, building area of 200m², brick-concrete structure, mainly used to store sundries. | |
| Hazardous waste warehouse | 1 tower, 1 storey, building area 8m², brick-concrete structure, mainly used for temporary storage of hazardous waste. Located inside the automatic straw wood pellet lineproduction workshop. | |
| Utilities | Water supply | Groundwater is used for water, mainly for employees' domestic use, and the water consumption is 120m³/a. |
| Drainage | This project adopts the rainwater and sewage diversion system, and constructs rainwater pipe network and sewage pipe network separately. | |
| Power supply | The power supply for this automatic straw wood pellet processing plant project is provided by the Tanyi Town Power Supply Office. A 250KVA transformer is installed in the factory area and the annual power consumption is about 100,000 kW·h. | |
| Environmental protection project | Exhaust gas | Crushing, screening, granulating, and cooling dust are collected by a gas hood (collection efficiency 90%), and then jointly processed by a pulse bag filter (dust removal efficiency 99%), and then passed through a 10000m³/h induced draft fan Introduce a 15-meter high exhaust pipe for exhaust. |
| Wastewater | Staff sewage: After the septic tank is treated, it is regularly pumped by the sanitation department. | |
| Noise | Equipment operating noise: Take measures such as vibration reduction, sound insulation, and noise reduction. | |
| Solid waste | Pulse dust collector dust collection: reused in the granulation process; screening impurities and magnetic separation impurities: collected and sold out; waste lubricating oil and waste lubricating oil barrels are entrusted for processing by qualified units; domestic garbage: cleaned and transported regularly by the sanitation department. The total amount of general solid waste generated in this automatic straw wood pellet processing plant project is about 337.62t/a, and the total amount of hazardous waste generated is about 0.101t/a. |
| Project name | Length×Width×Height | Structure | Building area (m2) |
|---|---|---|---|
| Production workshop | 50m×30m×9m | Steel structure | 1500 |
| Finished product warehouse | 50m×30m×9m | Steel structure | 1500 |
| Office building | 10m×10m×3.5m, 3F | brick-concrete structure | 300 |
| Miscellaneous room | 10m×20m×3.5m | brick-concrete structure | 200 |
| Total | - | - | 3500 |
The 6t/h reasonable layout new technology straw wood pellet manufacturing plant project utilizes the existing factory buildings and covers a total area of 3000m2. The 6t/h straw chips wood shaving pellet line project occupies an irregular rectangle with a maximum length of 60m from north to south and a maximum width of 50m from east to west.
The topography of the 6t/h wood and straw pellet processing plant project site is flat. The main buildings in the 6-10mm straw wood pellet processing plant project plant include production workshops, office buildings, utility rooms, finished products warehouses, offices, hazardous waste warehouses, etc.
According to the 6t/h hot selling straw wood pellet line processing plant project's geographic location, topography and meteorological conditions, the 6 tons straw wood pellet processing plant project has carried out a more reasonable distribution of the straw wood pellet plant factory buildings.
The plant area of this 6t/h straw wood pellet processing plant project is divided into production area and office living area according to functions, and the specific distribution is as follows:
Mainly includes production workshop, finished product warehouse, hazardous waste warehouse, and utility room.
The production workshop is located in the south of the 6t/h wood straw pellet factory area, the finished product warehouse is located in the north of the 6t/h biomass fuel straw wood pellet processing plant factory area, and the hazardous waste warehouse is located on the west side of the production workshop.
The room is located on the southeast side of the 6t/h biomass fuel straw wood pellet processing plant factory.
Located in the east of the finished product warehouse of the straw wood pellet process plant, it mainly includes 1 office building.
Starting from the requirements of convenient transportation, reasonably arrange the internal roads of the 6t/h straw wood pellet processing plant factory to form a complete road system.
Due to the small flow of people and logistics in this 6t/h straw wood pellet processing plant project, one import and export is set up in the east of the straw wood pellet processing plant factory to ensure the smooth transportation of product production and goods.
According to the local wind frequency map and meteorological data, the dominant wind direction in the 6t/h straw wood pellet processing plant project area is east-southeast (ESE).
The waste gas generated during the operation of the 6t/h straw wood pellet processing plant project is mainly unloading dust, crushing, feeding and unloading dust, screening dust, granulating dust, cooling dust, packaging dust.
The office and living area of this 6t/h straw wood pellet processing plant project is not located in the downwind direction of the production area, but after effective treatment measures are taken, the production exhaust gas is discharged up to the standard, and the external production exhaust gas has a small impact on the office and living area.
The noise sources generated during the production process of this 6t/h straw wood pellet processing plant project mainly include the operating noise of vibration conveyors, latest chipper wood crusher, pelleting machine of wood, fans, wood pellet bagging machine and other wood pallet making machine equipment, which are all located in the production area.
After measures such as shock absorption, sound insulation, and noise reduction are taken, has little impact on the office area and the surrounding environment;
The facilities in the 6t/h straw wood pellet manufacturing plant production area are reasonably arranged in accordance with the technological process, and the material transportation is short and fast, which can meet the needs of the material flow and the purpose of rapid material transportation;
The layout of each functional area of this new build 6t/h straw wood pellet manufacturing plant project is clear, which can meet the requirements of non-production and irrelevant personnel to enter the production area;
The layout of this new build 6t/h straw wood pellet manufacturing plant project is compact, which can meet the requirements of saving land.
Through the above analysis, the division of the new build 6t/h straw wood pellet manufacturing plant project is clear, and the overall layout better satisfies the smoothness of the wood pellets production process flow, reflects the convenience of material transportation, simplifies the transportation of materials in the new build 6t/h straw wood pellet manufacturing plant factory area, and facilitates production.
After the treatment measures, the impact of production waste gas and wood pellet equipment operating noise on the office area is relatively small; the 6t/h straw wood pellet manufacturing plant layout of the general plan is reasonable.
The site of this 6t/h straw wood pellet manufacturing plant project is 290 meters north of Ganlin Village, Feixian County, Linyi City, Shandong Province. There is no undesirable geology in the land and it is suitable for 6t/h straw wood pellet manufacturing plant construction.
According to the Feixian County Land Use Master Plan (2006-2020), the 6t/h straw wood pellet manufacturing plant project is located in an allowable construction area. It complies with the overall land use plan of Feixian County. According to the overall plan of Tanyi Town, Feixian County (2016-2030), the location of the 6t/h straw wood pellet manufacturing plant project is an unplanned area, which does not violate the overall plan of Tanyi Town, Feixian County.
After effective pollution prevention and control measures are taken during the production and operation of the new design 6t/h straw wood pellet processing plant project, pollutants are discharged up to the standard and have less impact on the surrounding environment.
Meet the requirements of environmental protection distance; meet the requirements of environmental management, and the supply of water, electricity, and steam around the new design 6t/h straw wood pellet processing plant project is guaranteed. With convenient transportation and other conditions, there are no scenic spots, ecological fragile zones, etc., so the site selection of this new designed professional 6t/h straw wood pellet processing plant project is reasonable.
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