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Pyrolysis process wastewater treatment system and method based on dual-circulation fluidized bed boiler

A wastewater treatment system and circulating fluidized bed technology, applied in the direction of incinerators, combustion methods, coke ovens, etc., can solve the problems of large area of ​​the system, long process, high cost, etc., to save costs, simplify the composition structure, shorten The effect of the process

Pending Publication Date: 2022-03-01
山西平朔煤矸石发电有限责任公司 +1
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Problems solved by technology

[0003] In order to solve the technical problems of long process flow, large system footprint, high cost and environmental pollution in the current way of treating pyrolysis process wastewater, the present invention provides a pyrolysis process wastewater treatment method based on a double circulating fluidized bed boiler System and method

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  • Pyrolysis process wastewater treatment system and method based on dual-circulation fluidized bed boiler
  • Pyrolysis process wastewater treatment system and method based on dual-circulation fluidized bed boiler

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Embodiment Construction

[0032] The present invention will be further described in detail with reference to the accompanying drawings and embodiments.

[0033] Such as figure 1 As shown, the pyrolysis process wastewater treatment system based on double circulating fluidized bed boiler in this embodiment includes circulating fluidized bed combustion furnace 1, cyclone separator 2, secondary air pipe 3, circulating fluidized bed pyrolysis Furnace 4, gas purification and cooling device 5, gas storage tank 6, waste water pool 7, waste water pump 8, advance and retreat atomizing spray gun 9, compressed air tank 10, two first manual valves 11 and two second manual valves 12 , wherein, the secondary air duct 3 is inserted inside the underpants legs of the circulating fluidized bed combustion furnace 1, and the inlet of the secondary air duct is connected with the fan; the flue gas outlet of the circulating fluidized bed combustion furnace 1 passes through the flue and The flue gas inlet of the cyclone separ...

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Abstract

The invention provides a pyrolysis process wastewater treatment system and method based on a double-circulation fluidized bed boiler, and belongs to the field of wastewater treatment. A circulating fluidized bed pyrolyzing furnace, a waste water pool, a waste water pump, an atomizing spray gun capable of advancing and retreating, a compressed air tank, a first manual valve, a second manual valve and other components are additionally arranged on the basis of an existing power generation system, and the waste water treatment system based on the existing power generation system is provided. The composition structure of the pyrolysis process wastewater treatment system can be simplified, the pyrolysis process wastewater treatment process is shortened, the heat source circulating back to the circulating fluidized bed combustion furnace is fully utilized in the pyrolysis process wastewater treatment process, and the wastewater treatment cost can be saved. Besides, the pyrolysis process wastewater is incinerated in the circulating fluidized bed combustion furnace, so that organic matters in the pyrolysis process wastewater can be converted into harmless small molecules such as H2O and CO2 at high temperature, meanwhile, dioxin is prevented from being generated, and environmental problems cannot be caused.

Description

technical field [0001] The invention relates to the technical field of wastewater treatment, in particular to a pyrolysis process wastewater treatment system and method based on a double-circulating fluidized bed boiler. Background technique [0002] Pyrolysis process wastewater refers to the raw wastewater generated during the coal pyrolysis process and purification process. The treatment process generally includes air flotation, precipitation, filtration and extraction, etc. The pyrolysis process wastewater is recovered after removing oil, ash and phenolic ammonia resources. , into the subsequent biochemical treatment process for treatment. Pyrolysis process wastewater usually contains some refractory organic matter. The current method of treating pyrolysis process wastewater usually has the disadvantages of long process, large system footprint, high cost, etc., and dioxins will be produced during the treatment of organic matter, which will cause environmental pollution p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23G5/30F23G5/027F23G7/00F23J15/02F23J15/06B03C3/34C10B53/04
CPCF23G5/30F23G5/027F23G7/008F23J15/02F23J15/06B03C3/34C10B53/04
Inventor 赵云凯王勤辉赵耀芳杜诚何利昌方梦祥孔凡荣武建芳盛守波
Owner 山西平朔煤矸石发电有限责任公司
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