An oxygen-enriched combustion-supporting waste sulfuric acid cracking system and process
An oxygen-enriched combustion-supporting and cracking system technology, which is applied in waste sulfuric acid cracking systems and processes, can solve problems such as fuel consumption and combustion efficiency without consideration, and achieve the effects of reducing fuel consumption, improving safety, and improving combustion efficiency
Active Publication Date: 2019-01-22
扬州嘉明环保科技有限公司
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Problems solved by technology
[0005] This invention only considered how to make sulfuric acid, and did not consider fuel consumption, combustion efficiency, and the cost of the entire system operation
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[0022] The present invention is described in detail below in conjunction with accompanying drawing:
[0023] As shown in Figure 1, the present invention includes a cracking furnace 1, an oxygen generating unit 2, a buffer tank 3, an air preheater 4, an acid system 5, a waste heat boiler 6, an oxygen meter 7, a fan 8, and a waste heat recovery and utilization system 9;
[0024] The buffer tank 3 is respectively provided with an air inlet, a high oxygen-enriched air inlet and a low oxygen-enriched air outlet. The air outlet is connected with the air preheater 4 through the fan 8, and the oxygen-enriched air is heated through the air preheater 4;
[0025] The cracking furnace 1 is equipped with a burner 1-1, a waste sulfuric acid spray gun 1-2 and a flue gas outlet 1-3. The waste sulfuric acid raw material is sprayed into the cracking furnace 1 through the waste sulfuric acid spray gun 1-2, and the flue gas outlet 1-3 is sequentially connected to the waste heat The boiler 6, the...
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The present invention discloses an oxygen-enriched combustion-assistance waste sulfuric acid lytic system and technology, and belongs to the field of energy conversion devices. Oxygen-enriched gas relatively high in oxygen content and having a certain pressure is produced by an oxygen generating unit and mixed with ordinary air, the mixture enters into a lytic furnace and is mixed with fuel to conduct co-combustion, and produced high temperature flue gas enters into an acid manufacturing working section to prepare high concentration sulfuric acids. The technology solves the problem that common waste sulfuric acid lytic fuel is high in consumption and the fuel cannot be fully burned to emit heat, greatly reduces the consumption of the fuel, improves the combustion efficiency, reduces energy consumption and investment, and at the same time increase the safety of the acid-producing system.
Description
technical field [0001] The invention belongs to the field of energy conversion equipment, in particular to an oxygen-enriched combustion-supporting waste sulfuric acid cracking system and process. Background technique [0002] At present, in the domestic chemical production process, a large amount of waste sulfuric acid containing organic matter is produced. This not only causes a lot of waste in resources, but also constitutes a huge damage to the environment. [0003] Due to the low concentration of waste sulfuric acid, the cracking acid production process currently used at home and abroad needs to consume a large amount of fuel, and only by cracking waste sulfuric acid can commercial-grade product sulfuric acid be produced. [0004] ZL200910212787.7 discloses a method for producing high-concentration sulfuric acid by cracking low-concentration sulfuric acid. The invention belongs to the technical field of waste comprehensive utilization chemical industry, and relates to...
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IPC IPC(8): C01B17/90F23L15/00F23D11/00F23D11/36F23J15/06F22B1/18F23L1/00
CPCC01B17/905F22B1/1807F23D11/00F23D11/36F23J15/06F23L1/00F23L15/00Y02E20/34Y02P20/10Y02P20/129
Inventor 吴卫民唐加富
Owner 扬州嘉明环保科技有限公司