Year: 1887

page_text: I, CHARLES CLINCH, of 8 Brunswick Place, Leeds, in the County of Yorkshire
Brewer, do hereby declare the nature of this invention to be as follows
The objects of this invention is to warm the ground malt before it is mashed so
that the temperature of the water in the mash tun shall not be lowered by the
introduction of the malt.
For this purpose I pass heated air through the ground malt by preference whilst it
is in the hopper above the mash tun until it has been raised to the proper temperature.
The air may be heated and driven through the malt in any convenient manner.
prefer however to heat it by passing it through tubes surrounded by steam.
I
CARPMAEL & Co.,
Agents for the Applicant.

page_text: Brewer, 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 :-
The object of this invention is to warm the ground malt before it is mashed so that
the temperature of the water in the mash tun shall not be lowered by the introduction
of the malt.
For this purpose I pass heated air through the ground malt by preference whilst it
is in the hopper above the mash tun until it has been raised to the proper temperature.
The air may be heated and driven through the grist in any convenient manner.
prefer however to heat it by passing it through tubes surrounded by steam.
I
In order that my said invention may be most fully understood and readily carried
into effect I will proceed to describe the drawings hereunto annexed.
DESCRIPTION OF THE DRAWINGS.
Figure 1 is an elevation, and
Figure 2 is a plan of apparatus arranged in the manner which I prefer for carrying
my invention into effect.
These figures are drawn to a scale of about half an inch to a foot.
Figure 3 shows to a larger scale a longitudinal section of the air heater which I employ.
a is a hopper into which the grist as it comes from the mill is received, and it is
allowed to accumulate in this hopper until the hopper is nearly full and contains the
quantity required for a mashing operation. Within this hopper a series of air
distributers are arranged; they are frames covered with wire gauze and they are
all connected with an air main c. The upper surfaces of the air distributers are
inclined, roof like, so that the grist may be able to pass them freely as it descends in
the hopper. The air main c communicates with the air heater d consisting of a
cylinder or jacket to which boiler steam is admitted and an air conduit e which is a
continuation of the main c. Steam is admitted to the jacket by a pipe and there is
an outlet at g for the steam and water produced by condensation. The air conduit
within the steam jacket is provided with a series of transverse tubes into which
steam can enter; these tubes serve to increase the heating area. h is a fan driven in
any convenient manner and this fan forces air through the heater and into the air
main. The air in the passage through the heater is raised in temperature and in this
state it passes on into the air distributors bb within the hopper a. The heated air
escapes through the perforations in the walls of these distributors and finds its way
amongst the grist. The passage of the hot air amongst the grist is continued for
some hours until the grist is raised to about the mashing temperature. The passage
of air is then discontinued and when convenient the mashing operation is commenced.
At the time of mashing the grist is let down from the hopper into the mashing tun
and intimately mixed with the hot water in the usual manner.

page_text: Without departing from the nature of my invention, the details which I have
described may be much varied, nevertheless I prefer to operate in the manner and by
means of the apparatus hereinbefore described.
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 :-
1. My improvement in brewing consisting in raising the temperature of the grist
before mixing the same with the hot water for mashing so as to prevent or to lessen
the reduction of temperature in the mashing tun when the grist is put in as herein-
before described.
2. My improvement in brewing consisting in passing heated air amongst the grist
and so raising the temperature thereof and introducing the grist when so warmned or
heated into the mashing tun substantially as described.
3.-My improvement in brewing consisting in the employment in the said operation
of apparatus substantially as herein described.