Waste liquid and waste gas incinerator combustion system arrangement structure capable of reducing CO generation and method
A technology of combustion system and layout structure, which is applied in the field of layout structure of combustion system of waste liquid and waste gas incinerators, can solve the problems of high flue gas emission, inability to flue gas, and uniform mixing, and achieves reduction of CO emissions, easy adjustment, and simple layout structure. Effect
Pending Publication Date: 2021-09-24
WUHAN WUGUO ENERGY ENG CO LTD
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Problems solved by technology
[0009] (3) The combustion-supporting air is arranged in two layers along the height of the furnace, with a primary air nozzle and a secondary air nozzle respectively, the primary air nozzle is located about (0.5-1) meters above the furnace bottom elevation, and the secondary air nozzle is located at the waste liquid spray gun About (0.5 ~ 1) meters above the elevation, spray into the furnace according to the front and rear walls respectively, the penetration is insufficient, and it cannot be mixed evenly with the flue gas;
[0011] The above problems have led to high CO emissions from the flue gas of the existing waste liquid and waste gas incinerators
Method used
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[0025] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments to facilitate a clear understanding of the present invention, but they do not limit the present invention.
[0026] Such as figure 1 As shown, the present invention includes primary air nozzles 1, secondary air nozzles 4, and tertiary air nozzles 6 arranged on the front wall and rear wall of the boiler 7 from bottom to top. Between the primary air nozzle 1 and the secondary air nozzle 4, the upper auxiliary burner 5 is arranged between the secondary air nozzle 4 and the tertiary air nozzle 6.
[0027] The chamber of the boiler 7 includes a high-temperature cushion area A, a high-temperature combustion area B, a mixed drying area C, a reburning area D, and a supplementary burnout area E from bottom to top.
[0028] The primary air nozzle 1 is arranged at the lower part of the furnace of the boiler 7, 300-1000mm away from the bottom of th...
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The invention discloses a waste liquid and waste gas incinerator combustion system arrangement structure capable of reducing CO generation and a method. The structure comprises a primary air nozzle, a secondary air nozzle and a tertiary air nozzle, all of which are sequentially arranged on a front wall and a rear wall of a boiler from bottom to top, a lower-layer auxiliary combustor and a low-heat-value waste liquid spray gun are arranged between the primary air nozzle and the secondary air nozzle, and an upper-layer auxiliary combustor is arranged between the secondary air nozzle and the tertiary air nozzle. According to the structure and the method, CO emission can be effectively reduced according to the characteristics of waste liquid.
Description
technical field [0001] The invention belongs to the technical field of boiler combustion equipment, and in particular relates to an arrangement structure and method for a combustion system of a waste liquid waste gas incinerator that can reduce CO generation. Background technique [0002] In petroleum, chemical, biological, pharmaceutical and other production processes, a large amount of waste liquid and waste gas containing organic matter are often produced. The main components of the waste liquid are water, residual alkali and organic matter. The organic matter mainly includes cyclohexanone, caprolactam or phytochemical alcohol, etc., and the concentration is below 40%. Exhaust gas mainly contains VOC, combustible gas, a large amount of air or nitrogen, etc. [0003] Generally, the waste liquid and waste gas are sent to the incinerator for incineration, and then processed through the comprehensive treatment of tail flue gas pollutants. The incineration process takes plac...
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IPC IPC(8): F23G7/04F23G7/06F23G5/08F23G5/027F23G5/44F23G5/50F23L9/00
CPCF23G7/04F23G7/06F23G5/08F23G5/027F23G5/44F23G5/50F23L9/00
Inventor 潘鹏汪文哲吴林罗俊伟陈亚斌焦风云王大伟
Owner WUHAN WUGUO ENERGY ENG CO LTD