The Toledo chronicle. [volume] (Toledo, Tama County, Iowa) 1873-1924, 1878-05-09

s5ela sd
NuI Rxnlosions,
-
ro..r+ aestr,,ct;ue explosion in 4
a.,,.;.~ Mill - MinneapoIis. MIMI.
LII ~ 70 the Interest al the following
~srnlsrst;on If such nhenomena. which
..shI;shsd IN tha 1mericnm Miller
All.
A1ssanEh thoo,sossHdd been n~revious-
a-nast-Scta1 to sce,s,srt for the uhe-
cr~ana ~ tio;,rsmill explosiona. the
s,,h;sct u,as frst. hroucht into promi-
rence in 1879 bv the EXPLOSION of the
Tsadostor Minis at GLASGOW. Scotland.
n-estrnct;re f;res had before that date
srnero N diHserart narts n GERMANY.
.rraT;rr -u,orn;tndn dffhe dis
os.sr = thaf pvertook the Tradeston Mills.
;n INV 1875. at once elected a general
d;s.,,ss;on and attracted the notice Of
-sc;snt;sts The -;nsnrance companies
~ 6rst rofusad tn nav the insurance on
The nronertr' Init afterward paid the
fiji amn,pt as 4 was Known that the
oarsos loed;no n The ~exnlos;on were
not within tho control of the owners of
tho mill a similar exnlosion occurred
st the .C;tv Mllsn st Port Dundas.
Scotland on Sent *. 1874. attended
18th Lace d;sastrons results: hut it served
~ Ieen fresh in the minds of the Brit
ian neonle the POSSIBILITY Of explosions
tak;no nIace- even IN such p~eaceful es-
"REMINISCENCES az Ionr.m;lls
Tho frat on;n;on 90 tn the cause of
these pbenomen.w which we shall notice
= .hdt - n S,,;th of Mapcboster-
Ena Who ooxa Considerable attention
to fbe suh;ect He relates how an ex-
nlos;on was nrodnced in the Ofen-Pesth
steam-m;ll Of Rudanast Hungary.
wh;oh blow otr ~ roof Of tho hn;fdino
and caused other damaoe nv workmen
MIXING some fine var;et;es Of flour.
The door Of the m;x;no.room. was left
onan and a tb;ck clonf of dust became
;1n;ted from a Iight. a similar ex-
plos;on took place at Friedict' Germany.
br Smith states his on;nion as follows:
n has been demonstrated that fIour
and bran ;ntimatelv m;vod and IN a fine
ststa Of division Owe off q oas ait s
deos. Fabrenhe;t. which when mixed
with nine volumes of air forms an ex-
| nIoc;vo mixturo I;ahla OF any time tn no
bred hv q snsrI or aame He recon-.
mends frat the nse Of exnosed portable
| liohts in mills sbonld be nrob;h;ted
| 6W;oho a Caravan Chemist has nd.
vancod tho theorv that ao,,rin the form
OF impalnable nowder underooes rapid
;no tho nroooss of oomhnst;or a HIGHLY
exnlosive hvd,n.carhon was is cenera.
ted. which. when mixed with air. he
comes highly exnlos;ve We shall no
g. ~. fn~tLo.
porhanS tho moSt aororallv rooo;vod
oninion Is that adyanced bv Prot
Sftevenson Macad.m When tbe Trades
ton.Ni;u oxrlos;on +ooL nlaoo pts
| Mooodor, ond Ront;no uaro roonastod
to taEe an active mart in ;nyastirat;ng
the causes that led to the ernios;op
prot Macad.m nnhl;shed b;s Jews in
IRON on Enol;sh n-or;od;ool f,on, wh;oh
we eytract tho f~ol1owinr.
cbem;strv of brain and t,orr
ass;st nc n .; q. on nd.
stana;rr rooard;rr thoso gro ovrlo.
s;nns Tha chem;ea1 comronents are
~nrincipaiIv Starch and nlnteu- with
small nronort;ons Of o,,m sngar oil
woody Gber and osh 7Tho starch and
woody fber arc comnosad Of carbon
hydrooen and oyyoen Z Go HIo as !. 60
are al7 the onm s,5gar and o;l. and the
rl,to, oont.;na .LoSo oIa,.ont. ooanm
1an;ad Nv n;trocan Srjnhnr and nbns-
phorus. All these nroximate const;tu-
ents are combustible when burned in
the ordinary wav and are consumed
with Greater ran;d;tv wban d;Hnsed &c
| a clond throuoh the air
When the aour Is sbowerod from .
sieve nlaced some distance above a oas
flame. rapid combustion takes Mace:
indeed. the flonr burns with explosive
rapidity. and the flame ticks nm the
flour shower Somewhat in the same wav
that II flashes rouoh a m;xtnre ~ ras
and Air, or that H travels along a train
of gunpowder. Similarly. the fiour.
blown into a cloud bv = nair of bellows
at onca takes fire and burns with . sud.
den and vivid flash. The smut taken
from the grain during cleansing. and
the shorts separated from the flour.
burn with eonal readiness
Probably the hest, wav Of showing
the ~exnlos;ve combustib;j;tv If fion1
particles is to place some fionr in q hoy
living inverted ON its lid. introduce q
light. and blow the fLour into a cloud
by bellows. when instantly the box is
lifted from its lid and much fame
PUSHES ont. The fine division ~ tho
Aonr has necessarily much tn dn with
the rand combustion. and indeed
coarse onpnowder can he nasse5
through q flame without burn;no
| while iron f,l;nos cannot foil brorrb
the same flame heinz cot fro r.
aWhen bruised. the aanr resoIves
itself into gases. The carbon hv INIT.
ine with he oxvcen of the an he.
comes carbonic, oS;de .fCM or car.
homie acid &c q = and The bydronan
and oxvren become water yanos ~
steam (Hs 81. The volume Of these
oases ;s mnch ;noroosod h,, +ha;r h;mL
temperatures at the moment of con-
bustion. The conditions reon;red r.
bring about 4 fire exnlos;o. are somo,
what similar tn those which oousa :
GAS exnIosion Coal ras il com ,,st;bla
and not explosive when nnm;xed with
air. and it only becomes e~xnlos;ye when
= IL m;vad ,u;th &c., I..o
most powerful degree when one vn1 ~
ume OF GAS 8 MINGLED in tar narts -
| air. A lesser or lsruor nrorort;on ~
air lessons the mower ri the eynIos;on
by causing the ras to burn less nnickIv
and Consequently with less ernlos;ye
force. and TINS lending more II or.,;
nary combustion.
"In order to bring about Che explo-