Improvements in Rotary Pumps for Corrosive Liquids.
Year: 1898

page_text: Improvements in Rotary Pumps for Corrosive Liquids.
We, JOSEPH HACKING RILEY and FRANK RILEY, both of the Elton Works, Bury,
in the County of Lancaster, Engineers, do hereby declare the nature of this
invention to be as follows:-
This invention relates to the construction of rotary pumps for lifting and
circulating acids and other corrosive liquids. Its principal objects are to prevent
the possibility of contact of the liquid with any part of the apparatus which might be
reacted upon thereby and to facilitate the removal and replacement of any part
or parts which may require it in consequence of wear or accident.
Our improved pump consists essentially of an outer shell which may be constructed
of cast iron, the lower half being a fixture and the upper half removable. This
casing is occupied, except for the inlet and outlet and the chamber in which the
rotary blades work, with teak, greenheart, or similar material in one piece or in two
or more pieces so, firmly secured together that leakage will not take place through
the joints. The sides of the working chamber are lined with plate glass, thin slate
slabs, or the like, and the blades or buckets are also constructed of teak, greenheart
or similar material. To strengthen the construction of the rotary part, one side of
it, opposite to the inlet preferably, may consist of a disc of similar wood, to which
the contiguous edges of the blades or buckets may be secured. The boss of the
rotary part may have a non-circular eye for the reception of the end, correspond-
ingly formed, of the driving shaft. The shaft may thus be easily withdrawn and
reinserted. That part of the driving shaft which enters the pump may also be
constructed of teak, greenheart, or similar material.
W. E. HEYS & SON,
Agents for the Applicants.
Improvements in Rotary Pumps for Corrosive Liquids.
We, JOSEPH HACKING RILEY and FRANK RILEY, both of the Elton Iron Works,
Bury, in the County of Lancaster, Engineers, 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:-
This invention relates to the construction of rotary pumps for lifting and
circulating acids and other corrosive liquids. Its principal objects are to prevent
the possibility of contact of the liquid with any part of the apparatus which might

page_text: be reacted upon thereby, and to facilitate the removal and replacement of any part
or parts which may require it in consequence of wear or accident.
We will describe our improvements with reference to the accompanying drawings
in which Figure 1 represents a longitudinal section and Figure 2, a transverse
section.
Our improved pump consists essentially of an outer shell A, which may be
constructed of cast iron and have its lower part A¹ a fixture on the bed B, and its
upper part removable. The two parts of the casing may be connected together
when in use by means of screw bolts passing through the flanges F. The inner
part of the casing C, is composed, except as to the inlet I, the outlet O, and the
chamber in which the rotary part R R¹ works, of teak, greenheart or other similar
and suitable material, either in a single piece or, and preferably, in two or more
pieces firmly secured together so that leakage cannot take place through the joints.
The sides of the working chamber may be lined with glass, thin slate slabs, tiles,
cement or other like material.
'The rotary part, consisting of the blades or buckets R and the boss R¹, may also
be constructed of greenheart, teak, or of some other similar suitable material which
is unacted upon by the liquids to be lifted. The construction of the rotary part
may be strengthened by means of a disc or discs D, upon one or both sides, also
constructed of similar material with the blades and boss secured thereto. If such
a disc should be arranged on the inlet side, openings through it, such as D¹ D',
Figure 2, must be provided for the admission of the liquid.
The boss R¹ may have a non-circular eye for the reception of the correspondingly
formed end of the shaft S, driven by means of the fast pulley P with which there
may be associated the loose pulley P¹. The shaft is also preferably constructed of
teak, greenheart or similar suitable material, in which case it is provided with a
metallic casing S¹ where it passes through the bearings E E' and the pulleys P P¹.
If a solid metallic shaft b be used, its exposed inner end within the working
chamber should be protected by the material of the rotary part or by a suitable
composition such as Portland cement gauged with water-glass solution.
We are aware that the casings of similar pumps have already been made of wood
and we desire it therefore to be clearly understood that we do not make any claim
for the substitution of wood for iron in the material of the casing.
It will be observed that the rotary part R R¹ is fixed upon the end of an overhung
shaft, and that no support is needed for that part of the shaft within the casing.
The opening through which the shaft passes may be made tight by means of packing
in a stuffing box and the gland G.
Having now particularly described and ascertained the nature of our said inven-
tion and in what manner the same is to be performed, we declare that what we
claim is
.
A rotary pump for corrosive fluids constructed and arranged substantially as
herein before described with reference to the accompanying drawings.
1000000 10
P.F
того.
W. E. HEYS & SON,
Agents for the Applicants.