coal preparation; coal cleaning
Tone colorsmāmámǎmàma
Meanings
1 sense · 4 examplesverb
to prepare coal by removing dust and waste rock and grading raw coal into different categories; coal preparation; coal cleaning
technicalTechnical term in mining and coal processing. Historically referred to as 洗煤 (coal washing) when using water-based methods, though modern techniques include dry methods as well.
Zhè这
zuò座
xiàn现
dài代
huà化
de的
xuǎn选
méi煤
chǎng厂
měi每
tiān天
néng能
chǔ处
lǐ理
wǔ五
qiān千
dūn吨
yuán原
méi煤
。
This modern coal preparation plant can process five thousand tons of raw coal every day.
Xuǎn选
méi煤
guò过
chéng程
kě可
yǐ以
yǒu有
xiào效
jiǎn减
shǎo少
wū污
rǎn染
wù物
pái排
fàng放
，
tí提
gāo高
néng能
yuán源
lì利
yòng用
xiào效
lǜ率
。
The coal preparation process can effectively reduce pollutant emissions and improve energy utilization efficiency.
Show 2 more examplesShow fewer examples
Tā他
men们
cǎi采
yòng用
le了
xiān先
jìn进
de的
zhòng重
jiè介
zhì质
xuǎn选
méi煤
jì技
shù术
lái来
fēn分
lí离
gān矸
shí石
。
They adopted advanced heavy medium coal preparation technology to separate gangue.
Guò过
qù去
rén人
men们
zhǔ主
yào要
yòng用
shuǐ水
liú流
chōng冲
jī击
de的
fāng方
fǎ法
xuǎn选
méi煤
，
zhè这
zhǒng种
fāng方
fǎ法
bèi被
chēng称
wéi为
xǐ洗
méi煤
。
In the past, people mainly used water flow impact methods for coal preparation, and this method was called coal washing.