High-temperature flue gas purification treatment device for biomass boiler

Abstract

The invention discloses a high-temperature flue gas purification treatment device for a biomass boiler. The high-temperature flue gas purification treatment device comprises a biomass combustion boiler, a biomass fuel inlet, a flue gas outlet, a first waste heat utilization device, a flue gas treatment device, a guiding pipe, a feeding channel, a feeding hopper, an air blower, a rack, a high-temperature flue gas pipeline and a combustor; and a base is fixedly mounted at the bottom of the biomass combustion boiler, the combustor is mounted in the biomass combustion boiler, and the biomass fuelinlet is formed in the position, on one side of the combustor, of the biomass combustion boiler. The high-temperature flue gas purification treatment device is simple in structure, convenient to use,and capable of achieving energy saving and environment protection ; and preheating treatment of biomass fuel and air required by combustion is achieved, energy consumption and the cost of boiler combustion are lowered, the absorption efficiency of harmful substances can be improved through heated water, the flue gas purification effect is ensured, pollution of the biomass combustion boiler on theenvironment is lowered, the utilization rate of boiler flue gas thermal energy is increased, and practicality is higher.

Description

Technical field: [0001] The invention relates to the technical field of biomass boilers, in particular to a biomass boiler high-temperature flue gas purification treatment device. Background technique: [0002] Boilers that use biomass energy as fuel are called biomass boilers. The efficiency of biomass boilers is generally above 80%. The larger the boiler model, the more fully the combustion, the higher the efficiency of the boiler, the highest reaching 88.3%. 15% higher than the average efficiency level of coal-fired boilers. However, the high-temperature flue gas generated when the existing biomass boiler is in use is directly discharged into the air. The heat of the high-temperature flue gas not only causes the temperature of the air environment to rise, but also causes a large loss of heat energy. New lower-temperature fuel and air enter the boiler for absorption. The heat inside the boiler results in high energy consumption and high cost, and the harmful substances co...

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Problems solved by technology

[0003] The purpose of the present invention is to provide a biomass boiler high-temperature flue gas purification treatment device in order to solve the above problems, which solves the problem that the high-temperature flue gas generated during the use of the existing biomass boiler is directly discharged into the air, and the heat of the high-temperature flue gas Not only does it lead to an increase in the ambient temperature of the air, but also a large loss of heat energy. New low-temperature fuel and air enter the boiler to absorb the heat inside the boiler, resulting in high energy consumption and high cost of the boiler, and the harmful substances contained in the flue gas will be reduced. Damage to the environment and poor practicality

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