, 1865-03-02
TNE SiEMAN FURNACE.
Second Article from Professor
Daniels on the Invention.
EXPERIMENTS IN STEEL Ind GLASS
WORKS 1T PITTSBURGH.
Remarks Of Sir William Armstrong
and Prof Faraday.
Successful Operations in England,
France and Germany.


--
Ina former artic,e ende.vo,ed n .rn,,1n
,.tt.s - ,.~D I,.SN1s ~
inc new mesaoo OF treating h'kumlnons coal
IN the oleman process to obtain combnst'ble
gases Of sufficient Echnesa aud purity for
metal working. It was shown thst by the
cornf;ned arf,cn ~ coai or ana v.Isr tte..
eanp'aa a.,s ,sea ~ " soat e'r ano Sase1' sn'ss
gases eou!o oe generated ana pur'nea 30 ~
to be auapted 10 all metaiinrgieaa purposes.
Il remains nov to be seen how these gases
are tzeated IN the },,rnsce.
17nder<4sa - for,,soa. ~h.,a +,o heat "a IN h.
ua0e, eae 'asnsees, "hese TUG aeat .., ~ " oo
brick, having open spaces between them.
These ate four in number. and arc called re-
genetstors They uorlr n na5rs. the sas as.
o..a,a~ .t...sI - IT. IT, 1soa,a.
csuouis .n1ouen one, "nue A5 aseenae
through the next. Ihe gas and ar enter Inc
passage, and so placed that they combine at
onc crd oe the furnore and nrodnca thu
49, ~ ~ 49, ~1sr.;o., n,,;os 4.
uat uue ~ hnen eue".a' e;.x,1,n uno. "a
~ oass ena =. III ~ tSae e'n .,,;r arrsen
.sr, VII .ng osnet p"n afta. W ei,,s
tha3r o! ~ II qn fnsn.ss eT Tsss an,rr tpess
enetE Ho.h .f1, ~ tnq !utGaes. paeas t3a,. hast
oat!S sli r1sanng pos.ln % sde1 nsas sn
,a,sa ~ eey ta h,,,o H. 1ast ,,snaa5 n
MoYc on " tne cnnneJ' tne Ia1 la.4s9 hau4s9
i tee11oIs ,h;e 4,h+ soun oesH ha ,,asasmsa t@s
4y..a a1,o-orars 80 e,,1,r3So3 -e;+b ,sa,"aa sna
aaaa.e;a ,iataa Ehs9h ac+ i;,a fa,r tsa,, ra1
os "an6 T. pE pehs s,sa ~ 49, ass ~ thasa' WY
.S,a ,rasto % -. xr,sa. sf1sr norhns,,on T., ~
t oF 49, ~. ett ~ ahu 1tsa ~
toto lug lulnacs, willie euose WHICH pe'ote
Satisea Eas nna ar ~ % noW aake nut lne .t,s z
hausted gases TO tue chimney. ~ this SIM
PIE e3peaient an enormous amount OF ncat
Masleu IN sAe o4o !utnaces ha'cu.
1ne gas ana All, enteflnE 9y Inc 1e-
versA Of the Ta1Ses taIonen me passages
ralsed 10 an antense neast ~ lne % on1s9anE na..
refuse Of combustion, take up what t1elr
predecessors had lett. Iheg enter the 1nf"
nace at white heat, and there add to Their
carried heat that due TO THUR mutual chemi-
cal action. It Is estimated, That about ! po3
degrees Of heat are thns carried forward,
while 3 600 degrees are taken from the regs1.
orator in passing; This intense heat, # not
moderated, would melt down the most re-
fractory materiala OF the furnace. In this
manner the regenerators arc alternately
| heated and cooled at such brief intervals as
observation may Indicate to be necessary.
The rtault is, that vast economy OF heat Il
effected, and at the came time the quality
and quantity Of heat is. under the complete
contfol Of the engineer, every moment, The
supply Of gas depends upon the supply Of ai,
ne IN nv c1osin1< he u 5ra By pae;nr y he Il
fats ~ ~ ~ ras @ at Les or Treafe. distances
the ~ ca,n1,nst,Gn IL tbe he ff1nr fnrn"ces !.
made mad rapid or Gradual. st vii. So also the
haat na-, - sitecta5 ,,no, nart;cn,.r rofnf,
hsa. Ssn ~ adi0sted ,1S 4.
sneenious tui}der viii apply for bImsclf.
he ndyantnees Of thfs system as claineG
| by The inventor, and demonstrated in .plar
1st. Il enables the manufactured ia nse
| nrnGtah1v. thnt larre class of soff cnala which
| owing 10 the presence OF snlnhur. or the ex
cess af b,tuminous 1natter, are now Worthless
or only applicable when coked.
I'd. It gives unlimited command of heat
! old fprnaceh, at great cost.
Sd. Great nurity and rent1cncss of ffemc
which largely 1iminishes the oyidat;on o. Dc
terioration Of mafea Ill heated in the furuace
and improves thc qnalItT Of tte proiuct.
An. Ereatly Increasea inrah5litv of fnr
mace. owing 10 he sbsence Of ashes' and ner
feet Uniformity Of heat throurhout The works
5th, Saying Of nDare within 4he Eorks. nut
cleanliness III operating. thc fuel bcinr. con
yertcd into eas ontaide.
9th. The Complete control Of the intensit,
| OF the heat, and unlimited command Of til,
chemical nature Of the aatae, which may be
arrested wholly, OF changed from a reducing
to an o1idhing hame, or The reverse, At AMI
moment. tending to facilitate all mctalIurEi
cal operations. ,.-~
nh Tue compete consumption Of ths
smose y. 80 eost. eo tu0e n9ue VI y y sees
r'sns itum sr..t w sina sn .enoerng th,s fnr
towps. tow s. "' 'Auo ~ ''tee "'aa'ac' 'u1'pe
Upon TINS latter point, Sir William Arua,
strtng, IN recent paper before the British
Scientific Association, remarka: 1.-THE com
nueucn tat ~ eoun ~ .aaa ~ aases ~ 20 1mpeHecl
u po" ;tts IN tne s9aPt
onet ~ m "u T. tss ano gassa %hce
% 20 me an, WIN tso Fl aa1las o. tneir beating
vaas nnassetolsd' aass tus p.oaucstGn @ o. SmoSt
- uaeeeaeaty so1 ~ !ne1casaoae. 1ne olemat
Ploeess ,nIn 1sene1 ~ z1 ahm nn5.e anu Iem9ses
ga stoss ~ g,1psoas 4h. a.t ,x =,
romhns1ion Il ennerad5ed ~ Ih.+ TolSSo 2,
ecnn;.ed ~ tI,e dasas T,s,e ~ sIe1 - ERyis!
~ aaoua1 .0e st.r iuuS, ~ aaenoa e
chisin,a 4Nan i, aassM n'enstsJ IN o Q. aeaa y
h1..s;nn Tnan 80 posSso1s " osana13 eoh ~
furnace or m mich of RI !, rs ;s not conn,nni ~ III
ra+ed ~ ~ hn5;es a,nsa5 ~ ~ "a ~ ~ ea.
iinnaiv trtn1ua r. aIent y ~ 4Ss Gu1
+ee 1ip;1ss as 70 a ~ no ti1It 10 tae tempess
.ue atn3tnaoae. e3eept lne powers o. rea1s
@ Eaue ~ LIZ nia1eiAn's 81 WHICH Tue 1naace u
conpesGa.
t,,s a. R1a1 ra1'a9as; recent ieefuse % nelore
process 1s founded On philosophical princi
pes, and Is destined to play q most important
rait IN all metalIurE1ca1 operations"
Ihe ne" process Is rapidly coming into use
IN Europe. t is used ia the manufacture a
heating gaa in Paxis, some thlstr prodhcer.
being erected to supply the city. In the zinc
and byass works OF Germany. II is alsa suc'
cessfully applied, while In England there Il
scarcely any branch Of aron or steel working
tn which II has not been thoroughly tested.
The scientific and practical character Of the
discovery is universally conceded there.
The process Was first introduced into thi.
country By Park Brothers, extensive manu.
factu1crs Of seel and sheet copper, at Pitts.
thcif capable and accomplished snper1nten
dent. who had seen 1t applied in Englana,
Mr: Poue, erected q producer, modified to