Amarillo daily news. [volume] (Amarillo, Tex.) 19??-current, 1921-01-06
Pulveriized Coal
AS a Fuel Saver

ouro,s ana development ~ substitute
ucl~ makes the Increasing U.s. of De-.
crlzrd c"al one 10 much economic In
'oriancc. d H. pointed ont by the Va.
ional hank ct Commerce IN New York.
n the January nuinh.r OF it, mngazlu..
commerce Monthly Experimentation
be bank siys. shows that 10y the use
{ pul',riz,d coal. ~ saving 81 20 Ter
cent In heating efficiency. ana from
~ To 30 per cent iu consumption Is
iuSsihic
The fundamental economic ad,ant
* m burning pulg,uz.d cod lies IA
ne complete stage e. which combustion
. carried In the furnac, says Com
acre, Monthly. The contact ~urflg,
'ctwven zeal and air IA greatly increis
4 ~ splitting the coal into numerous
atii, les u small Via, The second ad.
hntags iu N" pulNvrzatiuu 81 solid fuel
tho fact that u floats o. N. air.
prcads and D. carried off by even SINAI.
a. currents This makes the intimate
fixture 81 coal and air very easy. Il
implifi,s the construction ~ burners
nd guarantees economical combustion
she finer the coal powder the more
learly ideal conditions fur cumplrt,
umhuNiOn are approached
Where proper apparatus aud meth.
is are IN use. however other more
.nngihl" economies are effected by the
.ss u powdered fuel The labor cost uf
iTing u materially lowered and losses
iuring short p.riuds when steam pres
sugC Is not required an, reduced t. d
riuimun ~ ctr D. allowed o. up 10
through the furnace when nrinr opera.
.i"ns stop POI that tho radiant heat {
D. furnace Is ahsHr'- hy thr boiler
wedding the lnss,.- which occur with
mates ~ stokers through the constant
BURNING up uf fuel ana incomplete
combustion ~ the gases generated frpm
'nnkod fires The time necessary 200
ct un steam DO reduced ly half whom
iulycriz,i coal IL substituted f0r az,
am, fuel ln lump form Recent ,N,
Jrr.ments also show I'm economy on
fuel consumption which b. said O. b.
- NtAN ~ ~ pet ffff.
Until very recently the impression
mas prevailed that only certain grade,
Of bituminOus coal were suitahl. for
powdering. al ~. mos, recent dsyel.
pmenis in the USE ~ powdered coal ne
fuel for steam generating plants
ave been made with anthracite Culm.
q one time definitely abandoned rs 4
'uel suitable for powd"ring High vol.
title soft coal gives best results. but
mixtures Il such a grade Il coal with
anthracite culm have proved entirely
satisfactory and pulverizaiion may b.
'ppiied 10 any ~nlid fuel peat. Ignite
" bitumlnous cosls ~ ANY grade. as
weil ~ anthracite and cok~
"PulVerized rual has obtained grow
ng recognition as the most satisfactory
.lel for r-verherhtory furnaces nv rca.
son ~ the loss and nuisarces arising
from flue dust m blast furnace smeit
ne. as well as thc better fuel ratio and
onnaRe obtained with the now type a.
uel Although the practice dates hack
,niy 10 the last fifteen years IL is now
estimated that swing - 100 200 tons
Z cosl per oon ooo tons ~ rharra
uuel;ed Is made annually In th' United
States Pulyerizcl rnal IN tho mass r.
20; explosive nor highly comhustihle
For u time fuel oli sc'red destined
70 replace coal in many Industrial use'
md u has done 81 90 a conSlderah'
'xtent Hut tho great increasa IN N"
lutpai ~ fuel oil IN rrc"nt wears has
'ourc-s q supply MANY - the early
discovered fields have begun a. exhibit
, decided decrease IN production due
y the exhaustion ~ the availshle sup
aly. and the increased cost e feel OIL
N the districts supplied from these
'leids has IN some cas,s made u necc%
ary Tor Industrial consumers 10 turn
gain a. coal.
'rhs economic Importance. ther' ~.
'orc. II conserving the present wrsks.
10 supplies q high grade coal and %
making available the vast and a;mcs'
Untouched reserves ~ low grade fuel
which are known 90 exist near tho
surface IN msny parts - TIE glone.
make the progress IN the U.s. ~ pow.
Tered or pulveriEcd coal during the
"a, decade q special significance.
During ~. calendar year 1919 ~ H.
'stifns,.d that between 10 Gee ooo and
- 000. 900 tons 81 coal were pulvcrizel
TOR inducirial consumption. 90 This
lmouni 6 900 600 tons were consumed
= the making q Portland cement: .
30 00o tons were used In the iron ans
sseci Industry: copper refining con
umsd 500 zoe tons. while ~ least
"a 600 tons were used b. power plants
The remaining consumption Il pulver
red fuel was divided among q large
sarieiy 81 Industrial uses"