Processing method for straw incineration flue gas of thermal power plant
A technology of incineration flue gas and treatment method, which is applied in the field of straw incineration flue gas treatment in thermal power plants, can solve the problem that flue gas cannot be directly discharged into the atmosphere, and achieve the effect of reducing pollution
Inactive Publication Date: 2015-04-08
常熟市第二热电有限公司
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Problems solved by technology
The pre-treated straw can obtain a lot of energy when incinerated, which is an effective supplement to the heat energy of thermal power plants, but incineration will produce a large amount of smoke, which cannot be directly discharged into the atmosphere, and must be treated before being discharged.
Method used
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Experimental program
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Effect test
Embodiment Construction
[0016] A method for treating flue gas from straw incineration in thermal power plants proposed by the present invention will be described in detail below.
[0017] A method for treating flue gas from straw incineration in a thermal power plant of the present invention comprises the following steps:
[0018] 1) Introduce the flue gas produced by straw incineration flue gas into the cooling tower;
[0019] 2) Spray cold water on the flue gas in the cooling tower; the cold water contains alkaline liquid, and the content of the alkaline liquid is less than 0.1%.
[0020] 3) Exhaust the flue gas from the cooling tower, and the outlet has a filter bag. The filter bag is filled with bamboo charcoal or charcoal.
[0021] A movable storage box is set at the bottom of the cooling tower for storing and transporting the fallen soot.
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The invention discloses a processing method for the straw incineration flue gas of a thermal power plant. The method comprises the following steps: (1) introducing smoke generated by the straw incineration flue gas into a cooling tower; (2) spraying cold water into the flue gas in the cooling tower; (3) discharging the flue gas out of the cooling tower, wherein an outlet is provided with a filter bag. According to the processing method for the straw incineration flue gas of the thermal power plant, poisonous and harmful substances generated by straw combustion can be effectively removed, and pollution on environment can be greatly lightened.
Description
technical field [0001] The invention belongs to the field of industrial waste gas treatment, in particular to a method for treating flue gas from straw incineration in thermal power plants. Background technique [0002] Straw is the general term for the stems and leaves (ears) of mature crops, and usually refers to the remaining parts of wheat, rice, corn, potatoes, oilseeds, cotton, sugar cane and other crops after harvesting the seeds. More than half of the photosynthetic products of crops exist in straw, which is rich in nitrogen, phosphorus, potassium, calcium and organic matter. It is a multi-purpose renewable biological resource. The calorific value of every two tons of straw is equivalent to one tons of standard coal, and the average sulfur content is only 3.8‰, which is much lower than the average sulfur content of coal of 1%. During the recycling of biomass, the emitted CO 2 CO absorbed by biomass 2 To achieve carbon balance and achieve zero emissions in the pr...
Claims
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IPC IPC(8): F23J15/04
Inventor 方建文
Owner 常熟市第二热电有限公司