ASME PTC 4.2

ASME - ASME International

Coal Pulverizers

Organization:

Year: 2009

Abstract: OBJECT AND SCOPE
This Code appIies to the pulverizing system as a whole, including all the component parts necessary to take the raw coal, hot air and tempering air at the system inlet, and deliver pulverized coal in proper mixture with air and/or flue gas at the desired temperature at the outlet of the system. This Code applies to the most commonly used systems.
The direct-fired system in which pulverizers deliver the coal directly to the burner. This system usually comprises the following equipment:
Pulverizer and classifier
Feeder
Exhauster or pulverizer fan
Air inlet and tempering air connection, including control damper
Discharge coal and air piping, including valves
Motors and/or steam drives
Sources of hot air or flue gas
Figures 1 and 2 iIlustrate the arrangement of these components in pressure and suction systems for direct firing.
The storage system in which the coal is pulverized and stored in bins from which it is fed to the burners as needed. This system usually comprises the following equipment:
Pulverizer and classifier
Feeders, raw coal and pulverized coal
Exhauster or pulverizer fan
Pulverizer and hot flue gas fan
Coal and air piping including hot air inlet damper, cold air damper, and vent damper
Motors and/or steam drives
Source of hot air or flue gas
Vent cleaning equipment, which may be vent cyclone, concentrators or filters
Cyclone, cyclone air lock
Vent fan
Figure 3 illustrates the arrangement of these components for a typical storage system.

URI: http://yse.yabesh.ir/std;query=autho8B09DF4B436D3FF74ED84EA7091BD2980Facilitiess/handle/yse/159806

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contributor author	ASME - ASME International
date accessioned	2017-09-04T17:36:55Z
date available	2017-09-04T17:36:55Z
date copyright	1969.01.01 (R 1997)(R 2003)(R 2009)
date issued	2009
identifier other	DLUEEBAAAAAAAAAA.pdf
identifier uri	http://yse.yabesh.ir/std;query=autho8B09DF4B436D3FF74ED84EA7091BD2980Facilitiess/handle/yse/159806
description abstract	OBJECT AND SCOPE This Code appIies to the pulverizing system as a whole, including all the component parts necessary to take the raw coal, hot air and tempering air at the system inlet, and deliver pulverized coal in proper mixture with air and/or flue gas at the desired temperature at the outlet of the system. This Code applies to the most commonly used systems. The direct-fired system in which pulverizers deliver the coal directly to the burner. This system usually comprises the following equipment: Pulverizer and classifier Feeder Exhauster or pulverizer fan Air inlet and tempering air connection, including control damper Discharge coal and air piping, including valves Motors and/or steam drives Sources of hot air or flue gas Figures 1 and 2 iIlustrate the arrangement of these components in pressure and suction systems for direct firing. The storage system in which the coal is pulverized and stored in bins from which it is fed to the burners as needed. This system usually comprises the following equipment: Pulverizer and classifier Feeders, raw coal and pulverized coal Exhauster or pulverizer fan Pulverizer and hot flue gas fan Coal and air piping including hot air inlet damper, cold air damper, and vent damper Motors and/or steam drives Source of hot air or flue gas Vent cleaning equipment, which may be vent cyclone, concentrators or filters Cyclone, cyclone air lock Vent fan Figure 3 illustrates the arrangement of these components for a typical storage system.
language	English
title	ASME PTC 4.2	num
title	Coal Pulverizers	en
type	standard
page	30
status	Active
tree	ASME - ASME International:;2009
contenttype	fulltext