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首页   美国   ASTM D2157空气供给对燃料馏分燃烧产生烟道气中烟密度影响标准试验方法
 

ASTM D2157空气供给对燃料馏分燃烧产生烟道气中烟密度影响标准试验方法

ASTM D2157 Standard Test Method for Effect of Air Supply on Smoke Density in Flue Gases From Burning Distillate Fuels
ASTM D2157 空气供给对燃料馏分燃烧产生烟道气中烟密度影响标准试验方法

This test method relates efficiency of operation of domestic heating equipment to clean burning. Reducing combustion air in a burner gives more efficient operation. The extent to which combustion air can be reduced is limited by the onset of unacceptable smoke production. By delineating the relation between smoke density and air supply, this test method (together with net stack temperature data) defines the maximum efficiency for a given installation at any acceptable smoke level.
For certain types of equipment, such as the rotary wall-flame burner, too much excess air will cause smoke as well as too little. For these cases, the point of minimum excess air at the acceptable smoke level indicates the optimum efficiency.
The operating temperatures of the equipment will affect these test results. The relation of excess air to smoke density is thus susceptible to some change at different points in an operating cycle. In practice, an adequate compromise is possible by operating the burner for 15 min before any readings are recorded and then obtaining the test data within a succeeding 25-min period.
Under laboratory conditions, CO2 readings are reproducible to ±0.3 % and smoke readings are reproducible to ±? smoke spot number.

1. Scope
1.1 This test method covers the evaluation of the performance of distillate fuels from the standpoint of clean, efficient burning. It is intended primarily for use with home heating equipment burning No. 1 or No. 2 fuel oils. It can be used either in the laboratory or in the field to compare fuels using a given heating unit or to compare the performance of heating units using a given fuel.
Note 1—This test method applies only to pressure atomizing and rotary-type burners.
1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.2.1 Arbitrary and relative units are also used.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

2. Referenced Documents (purchase separately)
ASTM Standards
ASTM D2156 Test Method for Smoke Density in Flue Gases from Burning Distillate Fuels
Index Terms
heating oil; kerosine; smoke density; Air analysis; Density--petroleum products; Distillate fuels; Heating oils; Kerosine; Smoke density (petroleum products);

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 来源:防火网  发布时间:12/17/2013  点击次数:1420

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