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A kind of ash-removing and coking-removing agent formula for municipal solid waste incinerators

A technology for municipal solid waste and incinerators, applied in incinerators, combustion methods, combustion types, etc., to achieve the effects of improving ash and slagging conditions, improving boiler efficiency, and prolonging the safe operation period of boilers

Inactive Publication Date: 2012-02-01
XI AN JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Through the patent search of the State Intellectual Property Office, it can be seen that the published patents "0114877.2", "200410019016", "03132103.8", and "200510041561.7" for cleaning agents and decoking agents are all aimed at conventional coal-fired boilers and are not applicable to Garbage incinerator

Method used

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  • A kind of ash-removing and coking-removing agent formula for municipal solid waste incinerators

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0069] First, take 58Kg of nitrate (copper nitrate and sodium nitrate), 10Kg of borax, 10Kg of sodium chloride, 3Kg of ammonium nitrate, 4Kg of carbon powder, 3Kg of sulfur powder, 10Kg of vermiculite, and 2Kg of copper oxychloride, mix them and crush them to 50-40 mesh Fine particles account for more than 80%; then put the crushed mixture into the mixer and stir evenly; dry the stirred mixture at a drying temperature of 100°C to 150°C and a drying time of 10 to 20 minutes; finally, it is inspected and packaged Warehouse for finished products.

Embodiment 2

[0071] First, take 60Kg of nitrate (copper nitrate and sodium nitrate), 10Kg of borax, 10Kg of sodium chloride, 5Kg of ammonium nitrate, 5Kg of carbon powder, 3Kg of sulfur powder, 5Kg of vermiculite, and 2Kg of copper oxychloride, mix and crush to 50-40 mesh Fine particles account for more than 80%; then put the crushed mixture into the mixer and stir evenly; dry the stirred mixture at a drying temperature of 100°C to 150°C and a drying time of 10 to 20 minutes; finally, it is inspected and packaged Warehouse for finished products.

Embodiment 3

[0073] First, take 65Kg of nitrate (copper nitrate and sodium nitrate), 10Kg of borax, 10Kg of sodium chloride, 3Kg of ammonium nitrate, 2Kg of carbon powder, 3Kg of sulfur powder, 5Kg of vermiculite, and 2Kg of copper oxychloride, mix them and crush them to 50-40 mesh Fine particles account for more than 80%; then add the crushed mixture into the mixer-stir evenly; dry the stirred mixture at a drying temperature of 100°C to 150°C and a drying time of 10 to 20 minutes; finally, it is inspected Packaging is finished product storage.

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Abstract

The invention discloses a formula of ash-removing and coke-removing agent used in municipal solid waste incinerators, the composition and mass percent of which are: 50-70% of nitrate, 5-10% of bulking agent, 10-15% of sodium chloride %, activator 5-15%, vermiculite 5-10%, copper oxychloride 1-2%, nitrate is copper nitrate and sodium nitrate, loosening agent is borax, activator is ammonium nitrate, carbon powder and sulfur powder . The invention is applied to the field of ash removal and decoking of municipal solid waste incinerators, and has a good effect on improving the ash accumulation and slagging of the garbage incinerators.

Description

technical field [0001] The invention is applied to the field of ash removal and decoking of municipal solid waste incinerators, and particularly relates to a soot remover for municipal solid waste incinerators. Background technique [0002] Ash accumulation and slagging on the heating surface of boilers are common phenomena in boiler operation, and they are also one of the important factors that endanger the safe operation of boilers. Since the thermal conductivity of the dust layer is hundreds of times lower than that of the metal pipe wall, even if the heating surface is slightly dusted, the additional thermal resistance brought by the dust layer will account for 1 / 3 of the total heat transfer resistance inside and outside the heating surface of the soda. above. Boiler ash accumulation and slagging problems may cause poor heat transfer on the heating surface, increase the exhaust gas temperature, and reduce boiler efficiency; in severe cases, the combustion conditions wil...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10L10/00F23G5/00
Inventor 王树众白玉赵冉冉佟振霞裴炜施海华
Owner XI AN JIAOTONG UNIV
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