May 28, 1929.
O. BUSE
1,714,657
SULPHUR BURNING APPARATUS
Filed Nov. 2, 1925
. SK/S/R/KL
#14,
(like: ‘wag,
Patented May 28, 1929. .
1,714,657 '
UNITED STATES PATENT OFFICE.
OTTO BUSE, OF CLEVELAND, ‘OHIO’, ASSIGNOR, BY MESNE ASSIGNMENTS; TO’, THE
GRASSELLI CHEMICAL COMPANY, 0]‘ CL EVELAND, OHIO, A CORPORATION OE DELA
wAnE.
SULPHUR-BURNIN G APPARATUS.
Application ?led November 2, 1925. [Serial No. 66,384.
5
The present invention relates to a process drop in the sulphur dioxid
until just _
and apparatus for the production of gas of before the time for the next present
raking
operation
a- high and uniform sulphur dioxid content
it reaches its lowest value.
as
from the sulphurous gases of low or variable when
In
the
following
detailed
description
of
or both low and variable sulphur dioxid con the invention reference will be made to the
tent obtained in commercial operations such accompanying drawings in which,
a as the roasting of sulphid ores.
10
15
I Fig. 1 is ‘a longitudinal section of a sul
In various manufacturing operations uti _ phurous
gas ?ue with the sulphur feeding
lizing sulphur dioxid, for instance, in the pro and distributing
devices of my invention
duction of sulphuric acid, sulphite pulp, and shown in side elevation
the like, it is important to use a gas having’ Fig. 2 is a transverse‘;~and
of the sul
a uniform and high sulphur dioxid content. phurous gas ?ue with thesection
sulphur
feeding
The use of a gas having these characteristics and distributing devices in front elevation.
is of great advantage, since the use of a dilute
Referring to the drawings, pH is a. ?ue
gas makes the handling of a large amount of
- unproductive material and a corresponding
30
35
40
4
65
adapted to carry sulphurous gases from a
Mathiesen-Hegeler kiln or similar sulphurous
increase in capacity of apparatus necessary, gas-producing
(not illustrated), A is
while ?uctuations in the sulphur dioxid ,‘a hopper whichdevice
may
be
or of other
strength of the gas result in irregular operat suitable shape adapted toconical
contain
elemental
'20 ing conditions and make it di?icult to utilize
sulphur,
B
is
a
pipe
extending
from
the lower
the gas to the best advantaoe.
'
The invention provides for the production end of the hopper A through the upper wall
25
so‘
7o '
of the ?ue H, E is a cone valve carried by the
of a gas of a uniform and high sulphur shaft
G and controlled-by the hand wheel F, 75
dioxid content in ‘a simple and e?icient man adapted
to close the lower end of the feed
ner by introducing melted elemental sulphur pipe B, and C is an inclined'plate having
into the gases of low or variable or both low transverse corrugations adapted to receive the
and variable sulphur dioxid content where it melted
sulphur delivered by the pipe B and
burns, forming sulphur dioxid "which supplie to spread it over a relatively large surface in
80
ments the sulphur dioxid content of the gases, the path of the sulphurous gases.
‘
the quantity of melted elemental sulphur so
operation elemental sulphur is supplied
introduced being controlled with reference‘to to In
the hopper A from which it falls down
the sulphur dioxid content of the gases under into the pipe B and is melted by the heat of
treatment and the sulphur dioxid content de the
sulphurous gases passing through the ?ue 85
shed in the product.
'
-H and ?ows through the cone valve E onto
A feature of my invention resides in means the corrugated plate‘ C. The action of the
whereby sulphur is ?rst melted by the heat sloping corrugated plate ‘is to spread the
from the treated gas and is then brought into melted
‘sulphur so that it presents a relatively
intimate contact therewith. '
large surface to the sulphurous gases. The
It will be evident that my invention may
be applied with advantage to sulphur dioxid sulphur on the plate 0 burns in the sulphurous
gases, forming S02 which is added to' the
containing gases derived from various sulphur
dioxid content thereof. If it is
sources, but for'the purpose of illustration merely desired to enrich the sulphurous
it will be described as applied to gases pro~ gases the supply of sulphur to the plate C
ducedvby ore burners of the Mathiesen-Hegc
be constant, but for producing a gas of
ler kiln type operating on a pyritic ore. In 'may
uniform
sulphur dioxid content the supply
the operation of the Mathiesen-Hegeler kiln of sulphur
is varied with variations in the
the ore, carried on a series of shelves, is sulphur dioxid content of the gases. For
rabbled or raked periodically at intervals of instance, just after the ore in a Mathiesen
about one hour. At the time of raking, fresh 'Hegeler
kiln has been stirred the supply of
surfaces of ore are presented which results in sulphur may be stopped or cut to the mini;
a sharp rise in the sulphur dioxid content of mum, and then as the sul hur dioxid content
the gases, following which there is a gradual of the gases gradually alls the supply of
95
100
2
7
1,714,007
sulphur-is correspondingly increased so that " I claim :--
'
the sulphur dioxid content of the resultant Sulphur burning apparatus comprising a
gas is maintained fairly constant.
gas conduit, an inclined corrugated plate in 10
' As is apparent, the movement of the valve said conduit, and means for delivering melted
5 E may be controlled by automatic apparatus sulphur onto said plate.
sensiive to changes in the sulphur dioxid Intestimony whereof,I a?ix my signature.
content of the sulphurous gases.
,
OTTO BUSE.