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High-cleanness liquid boiler fuel

A technology for cleaning liquid and boiler fuel, applied in the field of alcohol ether fuel, can solve the problems of high ignition temperature, low calorific value, strong metal corrosion, etc., and achieve the effects of good applicability, clean emission and convenient use

Inactive Publication Date: 2017-07-14
TAIYUAN NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when polyoxymethylene is used as a boiler fuel, there are still the following problems: 1. Compared with hydrocarbon fuels, it has strong water absorption and is easily oxidized when exposed to air, resulting in strong corrosion to metals; 2. The value is low, the ignition temperature is high, and the combustion alone is not sufficient; 3. It is easy to polymerize after long-term storage
If these problems cannot be properly solved, long-term use of polyoxymethylene acetal will cause adverse effects on combustion appliances and fuel delivery systems

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Weigh 10kg of barium alkylphenol, 10kg of di-tert-butyl-p-cresol, 70kg of nitropropane, 2.5kg of ethylene glycol monophenyl ether, 1.25kg of trimethyl borate, N,N'-disalicylidene-1, 2. Add 1.25kg of propylenediamine into the mixing tank and stir well to obtain 100kg of additives.

[0033] Measure 600 liters of polymethoxymethylal, 295 liters of heavy naphtha, and 100 liters of fatty acid methyl ester, mix them evenly, add 5 liters of the above additives, and prepare 1000 liters of clean liquid boiler fuel.

[0034] Combustion tests were carried out on three 0.7MW atmospheric pressure hot water boilers with three different fuels, and the combustion performance was tested. Among them, No. 1 is the national standard 0 # Diesel oil; No. 2 (additive) is the high-clean liquid boiler fuel prepared by the present embodiment; No. 3 (no additive) except that no auxiliary agent is added, other ingredients and consumption are the same as No. 2.

[0035] 1. Fuel consumption.

[0...

Embodiment 2

[0046] Weigh 20kg of barium alkylphenol, 20kg of di-tert-butyl p-cresol, 50kg of nitropropane, 5kg of ethylene glycol monophenyl ether, 2.5kg of trimethyl borate, N,N'-disalicylidene-1,2 Add 2.5kg of propylenediamine into the mixing tank and stir well to obtain 100kg of additives.

[0047] Measure 800 liters of polymethoxymethylal, 130 liters of heavy naphtha, and 50 liters of fatty acid methyl ester, mix them evenly, add 20 liters of the above additives, and prepare 1000 liters of clean liquid boiler fuel.

[0048] Combustion tests were carried out on three 0.7MW atmospheric pressure hot water boilers with three different fuels, and the combustion performance was tested. Among them, No. 1 is the national standard 0 # Diesel oil; No. 2 (additive) is the high-clean liquid boiler fuel prepared by the present embodiment; No. 3 (no additive) except that no auxiliary agent is added, other ingredients and consumption are the same as No. 2.

[0049] 1. Fuel consumption.

[0050] The...

Embodiment 3

[0055] Weigh 10kg of barium alkylphenol, 10kg of di-tert-butyl-p-cresol, 70kg of nitropropane, 2.5kg of ethylene glycol monophenyl ether, 1.25kg of trimethyl borate, N,N'-disalicylidene-1, 2. Add 1.25kg of propylenediamine into the mixing tank and stir well to obtain 100kg of additives.

[0056] Measure 700 liters of polymethoxymethylal, 185 liters of heavy naphtha, and 100 liters of fatty acid methyl ester, mix them evenly, add 15 liters of the above additives, and prepare 1000 liters of clean liquid boiler fuel.

[0057] Combustion tests were carried out on three 0.7MW atmospheric pressure hot water boilers with three different fuels, and the combustion performance was tested. Among them, No. 1 is the national standard 0 # Diesel oil; No. 2 (additive) is the high-clean liquid boiler fuel prepared by the present embodiment; No. 3 (no additive) except that no auxiliary agent is added, other ingredients and consumption are the same as No. 2.

[0058] 1. Fuel consumption.

[...

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Abstract

The invention relates to high-cleanness liquid boiler fuel. The fuel is prepared by blending following raw materials by volume: 60-80% of polymethoxymethylal, 13-29.5% of heavy naphtha, 5-10% of fatty acid methyl ester and 0.5-2% of an additive. The additive includes, by mass, 10-20% of alkylphenol barium, 10-20% of 2,6-bis(1,1-dimethylethyl)-4-methylphenol, 50-75% of nitropropane, 2.5-5% of ethylene glycol monophenyl ether, 1.25-2.5% of trimethyl borate and 1.25-2.5% of N,N'-bis(salicylidene)-1,2-propanediamine. The calorific value of the fuel is substantially equivalent to the calorific value of Chinese national standard 0# diesel oil, consumption amounts of the fuel and the diesel oil are at the same level, but SO2 in combustion emission of the fuel is reduced by about 60% than that of the diesel oil, NOx in combustion emission of the fuel is reduced by 30% or above than that of the diesel oil, and particles in combustion emission of the fuel are reduced by about 50% or above than those of diesel oil, and therefore cleanness of the fuel is significantly improved.

Description

technical field [0001] The invention belongs to the technical field of alcohol ether fuel, and relates to a clean alcohol ether fuel whose calorific value is equivalent to that of burning diesel oil but whose pollutant emission is significantly lower than that of burning diesel oil. Background technique [0002] The world's energy reserves are becoming increasingly scarce and environmental problems are becoming more and more serious. Energy and environmental issues have attracted great attention from all countries in the world. Seeking new clean alternative energy has become a global issue. [0003] Environmental problems have become an important issue restricting the rapid development of my country's economy. my country's current boiler fuels commonly used include coal, natural gas and fuel oil. Among them, coal, as the main fuel, will produce a large amount of pollutant emissions, seriously affecting the atmospheric environment. Especially after the northern region enter...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L1/02C10L1/183C10L1/185C10L1/222C10L1/23C10L1/30
CPCC10L1/02C10L1/14C10L1/1832C10L1/1852C10L1/2222C10L1/231C10L1/303
Inventor 冯丽霞赵婷婷王松
Owner TAIYUAN NORMAL UNIV
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