Improvements in Apparatus for Drying Slurry and like Materials.
Year: 1892

page_text: Date of Application, 14th Jan., 1892
Complete Specification Left. 17th Sept. 1892-Accepted. 19th Nov. 1892
PROVISIONAL SPECIFICATION.
Improvements in Apparatus for Drying Slurry and like Materials.
I, THOMAS JAMES DAVEY of the Cement Works West Hartlepool, Cement
Maker do hereby declare the nature of this invention to be as follows:-
:-
My invention relates to improvements in apparatus for drying slurry and like
materials, and consists of an arched oven with two main flues leading from it, and
with preferably six combustion chambers at the top, connected with the main
portion of the oven. Slabs of fireclay or other suitable substance are arranged over
said chambers in the form of a floor or platform on which the slurry, or other
material to be dried is placed.
The ovens should be charged with small coal so as to produce coke, the latter
being a valuable product.
The gases and smoke from the fires pass into the combustion chambers, where
they become ignited, the smoke at the same time being consumed, thus causing an
intense yet diffused heat immediately beneath the floor or platform aforesaid.
Dated this 14th day of January 1892.
FREDK. WALKER,
11, Furnival Street, Holborn, London, E.C., Agent for the Applicant.
COMPLETE SPECIFICATION.
Improvements in Apparatus for Drying Slurry and like Materials.
I, THOMAS JAMES DAVEY, of the Cement Works, West Hartlepool, Cement
Maker do hereby declare the nature of this invention and in what manner the
same is to be performed, to be particularly described and ascertained in and by the
following statement :-
My invention relates to improvements in apparatus for drying slurry and like
materials, and consists of an arched oven with two main flues leading from it, and
with combustion chambers (preferably six) at the top connected with the main
portion of the oven, slabs of fireclay or other suitable material are arranged over
the said chambers to form a floor or platform on which the slurry or other material
to be dried is placed.
The ovens should be charged with small coal so as to produce coke which is a
valuable product.
The gases and smoke from the fires pass into the combustion chambers when they
become ignited causing an intense yet diffused heat immediately beneath the floor,
the smoke being at the same time consumed, and in order that my invention may
be the better understood I will explain the same with reference to the accom-
panying sheet of drawings in which :-
Figure 1 represents front elevation of an oven for drying cement slurry,
constructed according to this invention.
Figure 2 plan of same with the floor removed.
Figure 3 section on A. B. Figure 2.
Figure 4 cross section on C. Ď Figure 2.
The same letters denote the same parts in all the figures.
a is the front of the oven, 6 buttresses to support the same, c charging and
discharging orifices bricked up when oven is charged with small coal, d fireclay
quarls or slabs forming floor on which slurry is laid while drying, ef g h combustion
chambers of which only four are shewn, although I do not limit myself to any
Price 8d1

page_text: precise number, k k are the flues to the chimney stack, the fuel preferably small
coal from which coke is obtained, m m arches of brick lined inside with firebrick n,
o the hearth of the oven..
The apertures c are partly filled up with brick, three or four shovels-ful of
incandescent fuel are then placed on the hearth o, and the charge of small coal
placed thereon. The orifice c is then bricked up leaving small draft holes at the
lower corners thereof through which fresh coal may be from time to time inserted..
The slurry is placed on the floor d, and allowed to remain for from 24 to 48 hours
according to thickness of the layer of slurry after which the dried slurry and the
coke are removed and the oven and floor recharged.
The gases and smoke rising from the fuel pass into the combustion chambers and
become ignited therein the smoke being thereby consumed.
Having now particularly described and ascertained the nature of my said
invention, and in what manner the same is to be performed, I declare that
what I claim is :-
In an apparatus for drying slurry and like materials the use of an arched oven
the top of which is formed into a series of combustion chambers communicating
with the interior of the oven, and having a drying floor above the said chambers
substantially as described and shewn by the accompanying drawing.
Dated this 16th day of September 1892.
FREDK. WALKER,
11, Furnival Street, Holborn, London, E.C., Agent for the Applicant.