Improvements in Condensers and Evaporators.
Year: 1898

page_text: PROVISIONAL SPECIFICATION.
Improvements in Condensers and Evaporators.
I, SAMUEL PUPLETT, Engineer, of 47, Victoria Street, Westminster, do
hereby declare the nature of this invention to be as follows:-
-
My invention applies more particularly to the condensers and evaporators
used for condensing and vapourizing gases such as O. N. CO₂, NH, and such like.
The apparatus now generally used for this purpose is formed of continuous coils
of tube which are difficult to clean and repair.
The object of my invention is to overcome these objections; and for this
purpose I construct the condensers and evaporators of a series of suitably
shaped members, duplicates of each other, which may be connected by flanges
and bolts, screwed couplings or by other convenient means, the joints being
The
made gas-tight with india rubber, lead, or in any other suitable manner.
number of members may be increased or reduced according to the surface
required; each member being so arranged that it can be readily cleaned,
At the respective
repaired, or renewed without disturbing any other member.
outlets of the condenser and evaporator, I attach a gravitation chamber of
larger diameter than the aforesaid outlet. These chambers are provided with
suitable stop valves and removeable covers for cleaning purposes. The inlet
and outlet are placed as near as possible to the apex of these respective gravita-
tion chambers.
1
ban 1808
Improvements in Condensers and Evaporators.
I, SAMUEL PUPLETT, Engineer, of 47, Victoria Street, Westminster, 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 applies more particularly to the condensers and evaporators
used for condensing and vapourizing gases such as CO₂, NH₁₂, and such like.
The apparatus now generally used for this purpose is formed of continuous coils
of tube which are difficult to clean and to repair.
The object of my invention is to overcome these objections; and for this
purpose I construct the condensers and evaporators of a series of suitably

page_text: The
shaped members, duplicates of each other, which may be connected by flanges
and bolts, screwed couplings or by other convenient means, the joints being
made gas-tight with india rubber, lead, or in any other suitable manner.
number of members may be increased or reduced according to the surface
required; each member being so arranged that it can be readily cleaned,
repaired, or renewed without disturbing any other member. At the respective
outlets of the condenser and evaporator, I attach a gravitation chamber of
larger diameter than the aforesaid outlet. These chambers are provided with
suitable stop valves and removable covers for cleaning purposes. The inlet and
outlet are placed as near as possible to the apex or top of these respective gravita-
tion chambers. To enable my invention to be fully understood I will describe
the same in reference to the accompanying drawing in which Fig. 1 shows an
elevation and Fig. 2 a plan of a condenser or evaporator.
According to my invention I construct the coils of a condenser or evaporator
of one or more members built up of the following parts, viz.;-
1st. Straight tubes (A) with two loose flanges (A¹); at each end of the
tube (A) I attach in any convenient manner, preferably by welding thereto, or
screwing thereon, a recessed collar (D) against which the flanges (A¹) abut as
shown in Fig. 3. 2nd. A plain U bend (1) and 3rd. One or more cranked U
bends (C) bent to one side to clear the straight bends and so that any bend or
tube can be removed independently of the others. These various parts may
be connected together by flanges and bolts, screwed couplings, or in any other
convenient manner, but by preference I employ flanges (E) as shown in Fig. 3
screwed or welded on to the extremities of the bends or attached thereto by
any other convenient manner and connected together by bolts and nuts, the
joints being made gas tight with lead or india rubber rings (D¹) which are con-
fined within the recess (F) formed in the flanges (E), into which recess the
collars (D) fit, and are forced together by the bolts on the loose flange (A¹³).
The numbers of complete members may be increased or reduced according to
the surface required and is not restricted to the number shown in the drawing
and the loose flanges (A') and the fixed collars (D) may be attached to the
U bends and the fixed recessed flanges (E) to the straight tubes as convenient
also the number of bends and tubes in each member may be varied to suit
circumstances.
At the outlet of the condenser or evaporator (G) I attach a gravitation
chamber (I) of larger diameter than the outlet pipes of the condenser or evapo-
rator, these gravitation chambers may be fitted with stop valves (J J) and
removable covers (K K) to facilitate their being cleaned. The inlet and outlet
of the gravitation chambers are placed as near the apex or top as possible and
by preference I incline the chambers so that the gas passing through them can
freely ascend. I construct these chambers of such dimensions that the gas or
liquid shall flow through them at a slower speed than through other parts of
the apparatus so that the oil, scale, or other foreign substances carried through
the tubes of the condenser and evaporator may deposit in the gravitation
chambers.
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:-
1st. The construction of condensers used for the condensation of gases such as
CO₂, NH, and the like, of a series of members, duplicates of each other; sub-
stantially as described and shown.
2nd. The construction of vaporizers used for the vaporization of liquefied
gases such as CO₂, NH, and the like; of a series of members; duplicates of
each other, substantially as described and shown and for the purpose set forth.
3rd. The construction of condensers and vaporizers used for the condensa-
tion and vaporization of gases such as CO₂, NH, and the like, of a series of

page_text: members duplicates of each other, also having an inclined gravitation chamber
attached to their respective outlets through which the gas or liquid is caused
to flow at a slower speed than through the other parts of the apparatus sub-
stantially as described and shown and for the purpose set forth.
Dated this 22nd day of September 1899.
SAMUEL PUPLETT.