Oxygen-enriched suspension furnace for treating hazardous waste
A technology of hazardous waste and suspension furnace, which is applied in the direction of incinerator, process efficiency improvement, indirect carbon dioxide emission reduction, etc., to achieve the effect of simple operation, good working conditions and strong adaptability of raw materials
Inactive Publication Date: 2018-09-04
ZHEJIANG SHENLIAN ENVIRONMENTAL PROTECTION GRP CO LTD
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Problems solved by technology
[0005] The purpose of the present invention is to improve the above shortcomings and provide a new type of oxygen-enriched suspension furnace for treating hazardous waste, which combines metal smelting and hazardous waste incineration, solves the problem of simultaneously processing multiple hazardous wastes, and can recycle various Valuable metals, and the slag is processed into harmless water slag, and the exhaust gas can be fully burned to prevent the generation of harmful substances such as dioxins
Method used
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Embodiment 1
[0040] In the following, a specific example of the treatment of hazardous waste by an oxygen-enriched suspension furnace is used to illustrate the realization principle of the present invention in detail.
[0041] The metal-containing waste circuit boards, smelting metal waste residues, waste catalysts, waste resins, waste sludge, and waste activated carbon are pretreated (for example, waste circuit boards are unloaded, temporarily stored, and crushed) and then passed through the metering belt with auxiliary materials and reducing agents Add into the furnace from the top feeding port 9;
[0042] The organic matter in the material will first be burned in the combustion chamber on the third layer of water jacket 6, and oxidized and decomposed by the 65% oxygen-enriched air blown in by the secondary tuyere 11, and the incineration flue gas will be discharged from the furnace roof rising flue interface 10. The second combustion chamber 17 fully burns after the second, and guarantees a ...
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The invention discloses an oxygen-enriched suspension furnace for treating hazardous waste. The oxygen-enriched suspension furnace comprises a furnace base, a hearth, a furnace stack, a furnace top and a secondary combustion chamber which are sequentially connected from bottom to top. A safety port, a metal siphon port and a slag sticking port are formed in the hearth. The furnace stack is composed of four layers of water jackets from bottom to top, wherein the four layers of water jackets are the first layer of water jacket, the second layer of water jacket, the third layer of water jacket and the fourth layer of water jacket in sequence. A primary air port, a slag port and a burner are arranged on the first layer of water jacket. A combustion chamber and secondary air ports are formed inthe third layer of water jacket. A charging port and a rising flue joint are arranged on the furnace top, and the furnace top is connected with the secondary combustion chamber through the rising flue joint. The oxygen-enriched suspension furnace can treat various hazardous wastes, combine metal smelting and hazardous waste incineration into one, solve the problem of heavy-metal-containing wastes, not only can recover various valuable metals, but also can water-quench the slag into harmless water slag, the tail gas can be fully burned clean to inhibit the generation of dioxin and other harmful substances, and the oxygen-enriched suspension furnace has the beneficial effects of being high in raw material adaptability, capable of realizing resource regeneration, energy conservation and environmental protection, easy to operate and the like.
Description
Technical field [0001] The invention relates to the technical field of hazardous waste disposal, in particular to an oxygen-enriched suspension furnace capable of simultaneously processing multiple hazardous wastes. Background technique [0002] With the development of technology and industry, the amount of solid-liquid hazardous waste and industrial waste is also increasing, posing a serious hazard to the environment. On the other hand, these wastes are also valuable renewable resources. Because the country puts forward higher requirements for the comprehensive utilization of resources and energy saving and emission reduction of enterprises, there is an urgent need for energy-saving and efficient production equipment featuring the comprehensive utilization of various hazardous wastes. [0003] Incinerators are widely used in hazardous waste disposal industry. They can treat organic solid waste (such as waste resin, waste sludge, waste activated carbon, etc.) and organic liquid wa...
Claims
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Patent Timeline
Login to View More IPC IPC(8): F23G7/00C22B7/00
CPCC22B7/001F23G7/00Y02E20/34Y02P10/20
Inventor 叶标王治军马辉廖元双彭秋燕
Owner ZHEJIANG SHENLIAN ENVIRONMENTAL PROTECTION GRP CO LTD