Biomass Gasification Furnace

Biomass Gasifier Technical Process

Converting biomass into clean energy through advanced gasification technology, achieving efficient and environmentally friendly energy utilization

Biomass Production

The first step in the biomass gasifier system is the biomass production process, which involves collecting various organic wastes, including agricultural residues, forestry residues, crop straws and other renewable resources. These raw materials undergo strict screening, crushing, drying and molding processes to be processed into high-density, high-calorific value biomass pellets. Biomass pellets have uniform size and stable chemical composition, ensuring efficient and stable conversion into combustible gas in the subsequent gasification process. This process not only achieves resource utilization of waste but also provides a sustainable raw material foundation for clean energy production, significantly reducing dependence on fossil fuels.

Gasifier Conversion

In the gasifier conversion stage, biomass pellets are converted into combustible gas through thermochemical conversion process in a high-temperature oxygen-deficient environment. This process occurs at high temperatures of 800-1200°C, where biomass undergoes incomplete combustion with limited oxygen supply, producing combustible syngas mainly composed of carbon monoxide, hydrogen and methane. Our gasifier adopts advanced fluidized bed technology to ensure full contact between biomass raw materials and gasifying agents, improving gasification efficiency and syngas quality. The syngas produced by the gasification process has high calorific value, is clean and environmentally friendly, and can be directly used for power generation, heating or as chemical raw materials, achieving efficient energy conversion of biomass resources.

Purification Treatment

The crude syngas produced from the gasifier contains solid particles, tar and other impurities, requiring multi-stage purification treatment. First, the crude syngas enters a high-efficiency cyclone dust collector to remove most solid particles through centrifugal force. Then, the gas enters a spray tower, where hot water spray reduces the gas temperature to prevent tar from solidifying in pipes and equipment. This step not only effectively removes some soluble pollutants but also optimizes gas composition through temperature control. Our purification system adopts intelligent control technology, adjusting spray parameters in real time according to gas composition to ensure stable and reliable purification effects, creating good conditions for subsequent deep purification.

Final Purification

The final purification stage adopts electric tar precipitator technology, effectively removing residual tiny tar particles in the syngas through high-voltage electric field action, with purification efficiency reaching over 99%. Then, the gas enters the secondary spray section, where a specially designed spray system further removes residual tiny particles and water-soluble gas pollutants. This purification treatment ensures that the syngas meets industrial gas standards, with tar content below 20mg/Nm³ and particle concentration below 10mg/Nm³. The final produced pure gas has stable calorific value and excellent combustion characteristics, and can be directly used for internal combustion engine power generation, gas boiler heating or as chemical raw materials, achieving high-value utilization of biomass resources.

Biomass Production

Agricultural Waste Treatment and Pelletization

Gasifier Conversion

Thermochemical Conversion Under High-Temperature Oxygen-Deficient Conditions

Purification Treatment

Cyclone Dust Removal and Spray Purification

Final Purification

Electric Tar Capture and Secondary Spray Treatment

Project Advantages and Economic Benefits

Biomass gasifier technology brings multiple benefits to society, energy and environmental protection fields

Economic Benefit Analysis

Biomass gasifier projects have significant economic benefits. In terms of investment return, the investment payback period for small and medium-sized gasification power generation projects is usually 3-5 years, and large projects can recover investment within 4-6 years. In terms of operating costs, biomass raw material costs are only 1/3-1/2 of traditional fossil fuels, and maintenance costs are low. Taking a gasification power generation project that processes 50 tons of biomass per day as an example, the annual power generation can reach 10 million kWh, with an annual output value of about 6 million yuan and an annual profit of 1.5-2 million yuan. In addition, the project can also enjoy national renewable energy subsidies, tax incentives and other policy support, further improving the economic feasibility of the project. The promotion and application of biomass gasifier technology not only creates direct economic benefits but also drives the development of related industries, forming a virtuous economic cycle.

Investment Return

Project investment payback period is usually 3-5 years, long-term operating costs are much lower than traditional energy.

Operating Costs

Biomass raw material costs are low, maintenance is simple, overall operating costs have significant advantages.

Social Level

The promotion and application of biomass gasifier technology has profound significance at the social level. First, the project creates a large number of employment opportunities, forming a complete industrial chain from raw material collection, processing to equipment operation and maintenance, effectively promoting rural economic development and increasing farmers' income in agricultural areas. Second, the localized production of biomass energy enhances regional energy self-sufficiency, reduces dependence on fossil fuel imports, and improves national energy security. In addition, biomass gasifiers provide stable and reliable clean energy for rural areas, improve rural energy structure, enhance residents' quality of life, promote equalization of urban and rural energy services, and provide strong support for the rural revitalization strategy.

Create employment opportunities, promote rural economic development
Improve energy self-sufficiency rate, enhance energy security
Improve rural energy structure, enhance quality of life

Energy Level

At the energy level, biomass gasifier technology achieves efficient conversion and utilization of renewable energy. Compared with traditional direct combustion, gasification technology converts biomass energy into high-quality syngas, with comprehensive energy utilization rate reaching over 85%, much higher than the 20-30% of direct combustion. This technology can convert low-grade biomass such as agricultural waste and forestry residues into gas that is easy to store, transport and use, improving energy density and usage flexibility. Biomass gasifiers can provide stable and reliable clean energy supply, reduce dependence on fossil energy, and optimize energy structure. At the same time, the decentralized utilization mode of biomass energy helps build a diversified energy supply system, improve the resilience and reliability of the energy system, and provide an important technical path for national energy transition.

Efficient utilization of renewable resources, reduce dependence on fossil energy
Energy conversion efficiency up to over 85%
Provide stable and reliable clean energy supply

Environmental Level

In terms of environmental protection, biomass gasifier technology has significant ecological benefits. First, the carbon dioxide absorbed during biomass growth is basically equivalent to the carbon dioxide released during its combustion, forming a carbon-neutral cycle, which helps mitigate the greenhouse effect. Compared with fossil fuels, biomass gasification can reduce carbon dioxide emissions by 60-90%, making an important contribution to addressing climate change. Second, this technology effectively treats agricultural waste, reduces air pollution caused by open burning of straw, and improves regional environmental quality. The pollutants generated during biomass gasification undergo multi-stage purification treatment, and emission concentrations are far below national standards. In addition, biomass gasification promotes circular economy development, achieves efficient recycling of resources, reduces environmental pressure from waste, and provides a practical technical solution for building a resource-saving and environment-friendly society.

Significantly reduce carbon dioxide emissions, help achieve carbon neutrality
Effectively treat agricultural waste, reduce environmental pollution
Promote circular economy development, achieve efficient resource utilization

Successful Case Display

We have successfully implemented multiple biomass gasifier projects across the country, providing clean energy solutions for different industries

Gasifier Case One

Lec self-developed clean coal gas heat source driven RTO process, the only one in the country that uses coal and biomass as fuel to provide heat source for incinerators

Gasifier Case Two

The system adopts a multi-step process, using GWT gravity settling spray system to remove water-soluble dust, and then using WEP wet electrostatic precipitator to separate fine particles. Finally, the exhaust gas enters the incineration system, where high-temperature thermal oxidation technology decomposes organic matter into harmless CO2 and H2O, while generating inorganic oxides, ensuring odorless gas emission.

Gasifier Case Three

Traditional organic fertilizer granulation exhaust gas has complex components, high-viscosity tar is prone to cause RTO heat accumulator blockage, leading to frequent equipment shutdowns for cleaning, not only high maintenance costs but also difficult to stably meet odor removal standards. To address this industry pain point, Longtai self-developed clean coal gas heat source driven RTO process, cutting off tar generation path from the combustion source; simultaneously supporting customized anti-adhesion, anti-blockage heat accumulator research and development, accurately adapting to exhaust gas composition characteristics, completely eliminating blockage risks.

Biomass Gasifier

Biomass Gasifier Technical Process

Biomass Production

Gasifier Conversion

Purification Treatment

Final Purification

Biomass Production

Gasifier Conversion

Purification Treatment

Final Purification

Project Advantages and Economic Benefits

Economic Benefit Analysis

Investment Return

Operating Costs

Social Level

Energy Level

Environmental Level

Successful Case Display

Gasifier Case One

Gasifier Case Two

Gasifier Case Three

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