5441337072

2. The raw coal blending system of the coal preparation plant

(Figurę 2)

COAL QUAILITY CONTROL SYSTEM IN ANJIALING SURFACE MINĘ AND PREPARATION PLANT
Source of Raw Coal		NO. 1 Under Ground Minę
t	i
NO. 4 Seam NO. 9 Seam NO. 11		Seam NO. 4 Seam
| Ash>38% !	Mitem High ash .1	'cOTiteni] blulta^rJ
		.
| ZSOOt/htSizc 300~0«>	500t/h(Size 300~OmO	Crusher
		Size 130—Oran
Secofld cmsli ślep | 25O0t/h(Size 130—0n)|	2500l/h(Rl!ei50~0m)
A		/CtowerN kitowej /N0.2 t	A.
^0=110000 1 , V 0=110000 1 /		\fr30000 t/ \^0-30000^y \0-3000
Ra* Coal Buffer Bin /r\	V
NO. 1 NO. 2 NO. 3 | 800t/h ! 800t/h 800t/h	One Step; Syestc* NO. 4 NO. 5 700t/h 700t/h
U|__—4J-----,±_ Clean Coal Slot:# I	^L |-\T ^J 1	Coal siine łater Press Filter
West Slot East Slot (St>Ita«l.3» (Suita Sl.3%1 45000 t 45000 I		Ą .....jH-n i-------1 NO. 1 NO. 2
rr'-
“ “ “ Hlrai* TruiotSdins Li	i—	™ “ I.I5GENL
	^łI^T
	* H =
Train Loading Ability 5000t/h

Figurę 2. . Coal ąuality control systems for minę and preparation plant

(1) Coal Entrance System

There are two coal entrances in AnJiaLing Preparation Plant; each entrance can crush 2500 ton coals per hour. According to the every eight hour coal exploited plan, workers exploit coals in different seams. And each coal entrance has signal lights for three colors: green, yellow and red. Each truck must obey the signal light. When the

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