An Improved Method of and Apparatus for Delivering and Charging Pig-iron and "Scrap" or other Heavy Material into Steel and Open-hearth Furnaces.
Year: 1889

page_text: Date of Application, 11th Feb., 1889
Complete Specification Left, 14th Nov., 1800 Accepted, 14th Dec., 1000
συνοριο
PROVISIONAL SPECIFICATION.
An Improved Method of and Apparatus for Delivering and Charging
Pig-iron and "Scrap" or other Heavy Material into Steel and
Open-hearth Furnaces.
We, LLEWELYN ROBERTS of the Moor Steel and Iron Works, Works Manager
JAMES JONES of 37, Westbourne Street, Engineer and THE MOOR STEEL AND IRON
COMPANY, Limited, all in Stockton-on-Tees, in the County of Durham, do
hereby declare the nature of this invention to be as follows:-
Our Invention relates to machinery or apparatus for delivering and charging
pig iron, "scrap," or the like heavy materials into steel and open-hearth furnaces,
in which the material is charged in a horizontal direction through feeding doors
or charging holes provided at the breast of the furnace.
In the manufacture of steel in the open-hearth furnace according to the method
hitherto practised, pig iron and scrap metal are charged into the bed of the
furnace by throwing them in by hand and peel, which method involves much
labour and time and is not reliable for evenly distributing the charge to all parts
of the furnace.
The object of our invention is to facilitate the delivery of pig iron and scrap metal
into furnaces by the employment of machinery or apparatus by which the labour
required and time occupied in charging a given quantity of pig iron or other heavy
material into the furnace is greatly reduced, the means employed being such that the
whole surface of the furnace bed is traversed by a charging peel slung from a
carrying frame travelling by means of a chain wheel and gear, the chargo being
tilted over at will at any required part of the bed of the furnace. A further object
of our invention is to provide a special form of bogie furnished with ridges forming
troughs or channels on its bottom surface, so that the charge when piled up in
the bogie is lodged on the ridges and leaves a passage below for the reception
of the shovel of the charging peel, by which a portion of the said charging
materials is shovelled up and delivered into the furnace to be tipped over or
discharged at any required part.
a
In carrying out our invention we provide a charging peel slung from
travelling frame running on overhead pulleys and supported on a rail or other
suitable trod har fixed in position and supported in any convenient way, as for
instance, on columns at one end and the brickwork of the furnace at the other end,
this rail extends from the furnace breast in any direction and to any distance
required to insert the peel through the feeding hole across the full width of the
furnace, and to withdraw it a convenient distance therefrom for reloading, the rail or
trod bar being enabled to travel in the transverse direction to deliver the material
through any of the charging holes provided in the furnace breast; this peel is in
the form of a shaft of any suitable length furnished at one end with a shovel and at
the other with a two pronged handle. On being inserted into the furnace the shovel
is capable of being turned over or tilted readily and the contents discharged onto
any part of the furnace bed. In order that the charging peel may be supported
inside the furnace within a short distance of the shovel end so as to afford good
leverage for manipulating the charge, the travelling frame is constructed to
follow it into the furnace, and consists of two horizontal bars extending from a
vertical bar which unites them so as to form three sides of a square or other
similar figure with the open side towards the furnace, the upper arm of this
carrier frane is secured to the overhead pulleys which run upon the rail; from
the end of the lower arm the charging peel is slung by a chain or other
equivalent means so as to leave the shovel free to be turned or operated in any
lirection, the width between the horizontal bars of the carrier frame is adapted to

page_text: suit the construction of the furnace so that when the upper horizontal bar is
clear of the furnace top the lower horizontal bar is at the right level to enter the
charging hole.
fna furnace, say 11 feet across the hearth, with the peel slung 6 feet from the
shovel end and the gap of the carrier frame 5 feet long, the shovel of the charging
pel could introduced the full width of the furnace by inserting the lower arm of
the carrier frame the full length of the gap.
In order to facilitate the refilling of the shovel of the charging pool, we provide
a specially designed bogie for carrying the pig iron and scrap metal to be charged
into the furnace, the bottom of which bugis consists of troughs or channels formed
between parallel ridges, the pigs are laid across and lodge upon these ridges thus
leaving the troughs or channels open underneath for the insertion of the charging
peel, which can thus be employed in the form of a lever to shovel up a charge and
carry it into the furnace through the feeding holes, and to then tip it over by means
of the two pronged handle provided at the end of the long arm of the
peel shaft.
It is obvious that the above described method of or apparatus for charging steel or
open-hearth farmees may be varied both in general design and in its details without
departing from the nature of our invention, as some of the parts may be readily varied
to suit the general design of the furnace.
Dated this 9th day of February 1889.
G. J. CLARKSON,
Agent for the Applicants.
$.
COMPLETE SPECIFICATION.
"
An Improved Method of and Apparatus for Delivering and Charging
Pig-iron and Scrap or other Heavy Material into Steel and
Open-hearth Furnaces.
We, LLEWELYN ROBERTS, of the Moor Steel and Iron Works, Works Manager,
JAMES JONES of 37 Westbourne Street, Engineer, and THE MOOR STEEL AND IRON
COMPANY, Limited, all in Stockton on Tees, in the County of Durham, dọ hereby
declare the nature of this invention und in what manner the same is to be
performed, to he particularly described and ascertained in and by the following
statement:-
Our Invention relates to machinery or apparatus for delivering and charging pig-
iron, "gerup or the like heavy materials into steel and open-hearth furnaces, in
which the metal is charged in a horizontal direction through feeding doors or charging
holes provided at the breast of the furnace.
In the manufacture of steel in the open hearth furnace according to the method
hitherto practised, pig iron and scrap metal aro charged into the bod of the furnaco
by throwing them in by hand and peel, which method involves much labour
and time and is not reliable for evenly distributing the charge to all parts of
the furnace.
The object of our invention is to facilitate the delivery of pig iron and scrap metal
into furnaces by the employment of machinery or apparatus by which the labour
required and time occupied in charging a given quantity of pig iron or other heavy
material into the furnace is greatly reduced, the means employed being such that the
whole surface of the furnace bod is traversed by a charging peel slung from a carry-
ing frame travelling by means of a chain wheel and gear or other suitable contrivance,
tho charge being tilted over at will at any required part of the bed of the furnace. A
further object of our invention is to provide a special form of bogio furnished with
ridges forming troughs or channels on its bottom surface, so that the charge when
piled up in the bogia is lodged on the ridges and leaves a passage below for the
reception of the shovel of the charging peel, by which a portion of the said charging
materials is shovelled up and delivered into the furnace to be tipped over or discharged
at any required part.

page_text: And in order that our invention may be thoroughly understood and readily carried
into effect, we will now describe the same with reference to the accompanying
drawings in which the reference letters employed therein indicate corresponding parts
wherever they occur. Figure 1 is a sectional view of an open-hearth furnace with
the charging apparatus shown in position for taking up the pig iron and scrap metal
from the ridge surfaced bogic provided near the breast of the furnace; Figure 2 is a
similar view with the charging apparatus inserted into the furnace through the
feeding doors, which also illustrates the charging peel slightly tilted thus depositing
the pig iron or scrap metal onto the bed of the furnace; Figure 3 is a front elevation
corresponding to Figures 1 and 2.
The charging peel a is slung from an arm secured to the travelling frame e
running on overhead pulleys supported on a rail d, which rail extends from the
furnace breast in any direction and to any distance required to insert the charging
peel a through the feeding hole or furnace door across the full width of the furnace
and to withdraw it a convenient distance therefrom for reloading; this rail or trod
har d is also enabled to travel in the transverse direction so as to deliver the material
through any of the charging holes provided in the breast of the furnace or to
charge other furnaces by being supported on pulleys running on rails e, which are
supported on the columns or standards f. We provide the peel a in the form of a
shaft of any suitable length furnished at one end with a shovel and at the other end
with a two pronged hanille, and on the peel being inserted into the furnace the
shovel is capable of being turned over or tilted readily and the contents discharged
onto any part of the bed of the furnace.
In order that the charging peel a may be supported inside the furnace within a
short distance of the shovel and so as to afford good leverage for manipulating the
charge, the bar of the travelling frame is constructed so as to follow it into the
furnace, and by the arrangement of mechanical parts as shown the bar or arm band
the charging peel a can be raised or lowered as required to suit the height of the
furnace doors by actuating the lever g which engages with a paul h and pinion rack i
and the screw j.
In order to facilitate the refilling of the shovel of the charging peel, we provide a
specially constructed bogie for carrying the pig iron and scrap motal to be charged
into the furnace, the bottom of which consists of troughs or channels K' K² °K³
formed between parallel ridges the pigs are laid across and lodge upon these ridges
thus leaving the troughs or channels open un ferneath for the insertion of the
charging peel.
It is obvious that the above described method of or apparatus for charging steel or
open-hearth furnaces may be varied both in general design and in its details without
departing from the nature of our invention, as some of the parts may be readily varied
to suit the general design of the furnace.
Having now particularly described and ascertained the nature of our inven-
tion and in what manner the same may be carried into effect, what wo
claim is:-
--
Firstly-In combination with open hearth furnaces the construction and use of
apparatus or combination of mechanical appliances in which a charging peel is slung
from the arm of a travelling frame by which means it is inserted into and withdrawn
from and otherwise manipulate for charging the furnaces, substantially as described
with reference to the accompanying drawings.
Secondly-The use of bogies constructed with troughs or channels formed between
ridges upon which the pig iron or scrap metal is lodged to enable the peel to be
inserted underneath, substantially as and for the purpose hereinbefore described with
reference to the accompanying drawings.
Dated this Of Nawamba. 1900