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Ignition method for boiler by utilizing methyl alcohol

A technology of boiler ignition and methanol, which is applied in the field of boilers, can solve the problems of thermal power generation fuel restrictions, etc., and achieve the effect of reducing oil consumption, reducing investment and operating costs, and reducing operating costs

Inactive Publication Date: 2014-04-23
陕西大唐新能电力设计股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the ignition and stable combustion of large boilers are traditionally realized by burning fuel oil. In recent years, with the global energy shortage, the price of fuel oil continues to rise, and the fuel oil for thermal power generation is increasingly limited.

Method used

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  • Ignition method for boiler by utilizing methyl alcohol

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Effect test

Embodiment 1

[0016] refer to figure 1 , the invention provides a kind of method utilizing methanol to ignite a boiler, specifically comprising the following steps:

[0017] Step A: Methanol is stored in the methanol liquid storage tank 1 after being filtered through the methanol coarse filter 4;

[0018] Step B: use the methanol pump 3 to inject the methanol in the methanol liquid storage tank 1 into the methanol fine filter 2 to filter, and inject it into the atomizing nozzle 5;

[0019] Step C: send the steam from the boiler into the atomizing nozzle 5, mix with the methanol in the atomizing nozzle 5 and make the methanol heat up and atomize;

[0020] Step D: Mix the atomized and heated methanol and air into the boiler and ignite it.

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Abstract

The invention discloses an ignition method for a boiler by utilizing methyl alcohol. The ignition method for the boiler by utilizing the methyl alcohol comprises the following steps of A, storing the methyl alcohol into a methyl alcohol storage tank after filtering through a methyl alcohol primary filter; B, pumping the methyl alcohol in the methyl alcohol storage tank into a fine filter through a methyl alcohol pump to be filtered and pumping the filtered methyl alcohol into an atomizing nozzle; C, conveying steam from the boiler to the atomizing nozzle to be mixed with the methyl alcohol in the atomizing nozzle and enabling the methyl alcohol to be warmed to atomize; D, mixing the atomized and warmed methyl alcohol and air to be conveyed to the boiler and igniting. The ignition method for the boiler by utilizing the methyl alcohol has the advantages of reducing primary investment and operation costs, effectively improving the operation response speed, enabling combustion products to not to pollute the atmosphere and achieving energy saving and environmental friendly purposes.

Description

technical field [0001] The invention belongs to the technical field of boilers, and in particular relates to a method for using methanol to ignite a boiler. Background technique [0002] At present, the ignition and stable combustion of large boilers are traditionally achieved by burning fuel oil. In recent years, with the global energy shortage, the price of fuel oil continues to rise, and the fuel oil for thermal power generation is increasingly restricted. Therefore, the oil used for boiler ignition and stable combustion is evaluated as an important indicator. In order to reduce the consumption of fuel oil, the traditional method is to increase the fineness of coal powder, increase the preheating temperature of air-powder mixture and secondary air, The use of pre-combustion chamber burners, the selection of small atomizing nozzles for ignition, etc. However, if the fuel oil is to be further reduced to the point where no oil is used, a new process that is completely differ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23K5/14
Inventor 江建刚霍海红马爱香任亚军
Owner 陕西大唐新能电力设计股份有限公司
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