An Auxiliary Means of Admitting Air for the Better Combustion of Gas in Hot Blast Regenerative Stoves, and Cleaning same.
Year: 1895

page_text: Date of Application, 7th Aug., 1895
Complete Specification Left, 18th Apr., 1896-Accepted, 20th June, 1896
PROVISIONAL SPECIFICATION.
An Auxiliary Means of Admitting Air for the Better Combustion of
Gas in Hot Blast Regenerative Stoves, and Cleaning same.
WALTER CROOKE, Lancaster House, Millom, in the County of Cumberland,
Engineer do hereby declare the nature of this invention to be as follows
and refers to hot blast stoves for heating blast for blast furnaces, known as
Massicks & Crookes stoves, described in Patents granted to Massicks & Crooke on
the 24 March 1881 No. 1312, & 2nd May 1893 No. 8763 :-
My present invention consists of a valve or valves, fixed to the bottom side of
the stove casing, and connected with a passage or passages to the bottom of the
second upcast or series of segmental passages, so as to admit air to burn up any
emaining combustable gas that may be in this part of the stove, these passages
also acting as a means of blowing off the stove when being changed, thus clearing
portions of dust that may have accumulated about the bottom of the stove.
Dated this 6th day of August 1895.
WALTER CROOKE.
An Auxiliary Means of Admitting Air for the Better Combustion of
Gas in Hot Blast Regenerative Stoves, and Cleaning same.
I, WALTER CROOKE of Lancaster House, Millom in the County of Cumberland,
Engineer 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 refers to hot blast stoves for heating blast for blast furnaces known
as Massicks & Crooke's stoves; described in Patents granted to Massicks and
Crooke on the 24th March 1881 No. 1312 and 2nd May 1893 No. 8763 at which time
it was thought sufficient to admit air in the centre chamber at the bottom and the
top of the stove, but of late the practice has been so to heighten these stoves, that
it has been found impossible to draw air in at the top of the stoves as heretofore,
hence; my present invention consists of a valve or valves fixed to the bottom sidé
of the stove casing and connected with a passage or passages to the bottom of the
second upcast or series of segmental passages, so as to admit air to burn up any
The valves are
remaining combustable gas that may be in this part of the stove.
also made to open and shut when the stove is on blast, thus cleaning portions of
dust that may have accumulated about the bottom of the stove during the time the
gas was burning.
In order that the nature of my invention may be more clearly understood, and
readily carried into effect, I will describe the accompanying drawing, reference
being had to the figures and letters marked thereon.
Fig. 1 is a vertical section of the stove.
A air valve C C C C air passage.

page_text: Fig. 2. enlarged view of air valve with hinged door that can be readily opened
and shut, whilst the stove is in operation in order to clear any gas dust that may
.accumulate.
Fig. 3. is plan section of store showing position of air valves A A A A, air
passages C C C C and cover bricks D.D DD, so placed as to keep clear of the
cleaning doors B B.B B.
Having now particularly described and ascertained the nature of my said inven-
tion and in what manner the same is to be. performed, I declare that what I
claim is
In hot blast regenerative fire brick stoves of the type hereinbefore indicated
1. The herein described valve or valves with hinged door fixed to casing capable
of being opened and closed for the purpose of admitting air or clearing out dust
from the passages.substantially, as set forth:
2. The herein. described air passages with cover bricks to distribute the air as
required substantially as set forth.
Dated this 17th dow of. Anil 1906
WALTER. CROOKE.