Improvements in Valves more especially adapted for use in Self- discharging Saturators used in the Manufacture of Sulphate of Ammonia from Gas Liquor or Ammoniacal Liquor.
Year: 1897

page_text: Date of Application, 15th Feb., 1897
Complete Specification Left, 9th Nov., 1897-Accepted, 8th Jan., 1898
Improvements in Valves more especially adapted for use in Self-
discharging Saturators used in the Manufacture of Sulphate of
Ammonia from Gas Liquor or Ammoniacal Liquor.
I, HARRY HOWELL, Chemical Engineer, of Midland Iron Works, Donnington,
near Newport, Shropshire, do hereby declare the nature of this Invention to be
as follows:-
This Invention has for its object to provide a simple and efficient valve more
especially adapted for use in self discharging saturators used in the manufacture
of sulphate of ammonia from gas liquor or ammoniacal liquor, which valve will
maintain the passage in which it works clear of incrustation or collection of matter
tending to clog it. According to this Invention the valve consists of a casing with an
opening into which leads the outlet from the saturator or like vessel and another
opening constituting the outlet from the valve. In the said valve casing is
mounted a piston or plug constituting the valve proper and capable of being
moved backwards and forwards in the valve casing so as to put the aforesaid
openings in communication with each other or close the communication between
them. The movement of the said piston or plug can be effected by a screw
provided with a hand wheel and working in a fixed nut and connected to the
piston or plug so as to be capable of turning therein. The piston or plug is
provided with sharp edges which will cut away or scrape off deposited matter
when the said piston or plug is moved to or fro in the casing. The valve may be
made of any suitable material which will not be injured by the materials which
pass through it. .
Dated this 15th day of February 1897
Improvements in Valves more especially adapted for use in Self-
discharging Saturators used in the Manufacture of Sulphate of
Ammonia from Gas Liquor or Ammoniacal Liquor.
I, HARRY HOWELL, Chemical Engineer, Midland Iron Works, Donnington,
near Newport, Shropshire, do hereby declare the nature of my Invention and in
[Price 8d.1

page_text: what manner the same is to be performed, to be particularly described and ascer-
tained in and by the following statement:-
This Invention has for its object to provide a simple and efficient valve more
especially adapted for use in self discharging saturators used in the manufacture
of sulphate of ammonia from gas liquor, or ammoniacal liquor, which valve will
maintain the passage in which it works clear of incrustation, or collection of matter
tending to clog it. I will describe my Invention with reference to the accom-
panying drawing, Figure 1 being an elevation. Figure 2 a transverse section on
the line A. B. Figure 1 and Figure 3 a longitudinal section of a valve constructed
in accordance with my Invention. The said valve consists of a casing with an
opening into which leads the outlet from the saturator, or like vessel, and another
opening constituting the outlet from the valve. In the said valve casing is
mounted a piston or plug a. constituting the valve proper and capable of being
moved backwards and forwards in the valve casing, so as to put the aforesaid
openings in communication with each other, or close the communication between
them. The movement of the said piston or plug, can be effected by any suitable
means, such as a screw b provided with a hand wheel 62 and working in a nut
fixed to the casing by the rods c, the said screw being connected to the piston
or plug, so as to be capable of turning therein or by a squared connection as
shewn at 63 so that the rotation of the screw rotates the piston or plug a. The
piston or plug, is provided with sharp edges at a² which will cut away or scrape
off, deposited matter, when the said piston or plug is moved to or fro, in the casing.
The valve may be made of any suitable material which will not be injured by the
materials which pass through it.
Having now particularly described and ascertained the nature of this Inven-
tion and in what manner the same is to be performed, I declare that what I
claim is:
A valve for the purposes explained the said valve being constructed substan-
tially as hereinbefore described and illustrated in the accompanying drawing.
Dated this 9th day of November 1897.
JOHNSONS & WILLCOX,
47 Lincoln's Inn Fields, London, W.C., Agents.