plates. An additional feature of the polymerization reactor is and equivalents, as may be included within the spirit and
that each of the at least one heat exchanger plate may include scope of the invention as defined by the appended claims, a removable film.
T , • .. f A . DETAILED DESCRIPTION OF THE INVENTION In accordance with the invention, the foregoing advantages
have also been achieved through the present polymerization 5 _ ^, , . ^. „^
n . .. Pt^ . . . Broadly, the polymerization reactor of the present mven
reactor lor polymerization of olefins comprising: a reservoir .. . , , . , , . , , ,
. , • P ii tion includes a reservoir and a lid having a heat exchanger,
having at least three side wall surfaces and a bottom wall ^ ud ig ... Qn ^ ... the head exchanger is
surface thereby forming a reservoir cavity; a heat exchanger, disposed within the reservoir thereby cooling, i.e., removing
the heatexchangerhavingaheatexchangerassembly, coolant 1Q heat from, the contents of the reservoir.
inlet manifold in fluid communication with a coolant source, Referring now to FIGS. 1 -3, in one specific embodiment of
at least one coolant inlet conduit in fluid communication with the present invention, polymerization reactor 40 includes res
at least one heat exchanger plate, at least one coolant outlet ervoir 80 and lid 70. Lid 70 includes heat exchanger 60.
conduit in fluid communication with each of the at least one Reservoir 80 includes at least three wall surfaces and a bottom
heat exchanger plate and in fluid communication with a cool- 15 wall surface to form a cavity. As shown in FIGS. 1 -3, reservoir
ant outlet manifold, the coolant outlet manifold in fluid com- preferably includes four side wall surfaces, 81,82,83,84, and
munication with the coolant source; and a lid having a top bottom wall surface 85 to form reservoir cavity 87. While it is
wall surface and an inner wall surface, wherein the at least one to be understood that additional wall surfaces may be
heat exchanger plate is disposed along inner wall surface. included as part of reservoir 80, thereby permitting reservoir
A further feature of the polymerization reactor is that the 20 ?°to ha^e TM\ desir,ed ^ Preferably reservoir 80 includes
, ... , j- j- four wall surfaces thereby having a rectangular shape (FIGS,
polymerization reactor comprises lour side wall surfaces, two ^ bhd
of the four side wall surfaces having a length of at least two 2' . „„ " „' , , . , , . , . , ., oc) 4
. , , • , r , r 1 1 r 1 r Reservoir 80 preferably includes at least one skid 88. As
ieet and a height oi at least two ieet, the other two oi the lour , . ^T^0 \ , « • OA • , , , •, 00
,r , . shown in FIGS. 1 and 3, reservoir 80 includes two skids 88.
side wall surfaces having a length of at least three feet and a ^ skids 88 ^ a ... Qr Qther lifting tQ engage
height of at least two feet, and the lid is rectangularly shaped reservoir 80 so that it can be moved to any desired location,
havingalengthandawidth,thelengthbeingatleastthreefeet j e^ to be placed near sources of monomer that are t0 be
and the width being at least two feet. charged, or transported, into reservoir 80.
In accordance with the invention, the foregoing advantages As shown in FIGS. 1 and 3, reservoir 80 includes length 92, have also been achieved through the present method of poly- 30 height 91, and width 93. Length 92, height 91, and width 93 merization comprising the steps of: combining at least one may be any distance as desired by the person using polymermonomer and at least one catalyst in a reservoir to form a ization reactor 40. It is to be understood, however, that genpolymerization reaction mixture, the reservoir having at least erally, as length 92 increases, the number of heat exchanger three side walls and a bottom wall thereby forming a reservoir Plates 66 also increases, and as height 91 and width 93 cavity; inserting at least one heat exchanger plate having an 35 increase, the dimensions of heat exchanger plate 66 increases, exchanger cavity in fluid communication with a coolant In one sPeclfic embodiment, length 92, height 91, and width
• . „ • 1 1 93 are equal and each are at least 2 feet. In this embodiment,
source into the reservoir cavity thereby contacting the poly-" .'
• ,. ,. • , , , , polymerization reactor 40 is cubed shaped. In a preferred
menzation reaction mixture; and removing the at least one , ,. , , „„. , ~n
, ^ , , ^ „ ^ ^. . ° „ m . , embodiment, length 92 is at least 3 Ieet, height 91 is at least 2
heat exchanger plate from the reaction mixture alter sufficient „ ^ , .,',„«. ^, ^ „ p ^ T J • r- 1 1 v
, , . . . n , , 40 feet, and width 93 is at least 2 feet. In this preferred embodi
time has passed to permit a maionty of the at least one mono- , ... , .„. , , , ,
r r ■> J ment, polymerization reactor 40 is rectangularly shaped.
mer to form a polymer. Reservoir 80 may be formed out of any material known to
A further feature of the method of polymerization is that persons of ordinary skill in the art. Preferably, reservoir 80 is
the method may further comprise the step of disposing a formed out of stainless steel.
removable film on each of the at least one heat exchanger 45 Referring now to FIGS. 1-3, lid 70 includes top wall sur
plate prior to inserting the at least one heat exchanger plate face 73 and side wall surfaces 72, 74, 75, 76. Lip 71 may be
into the reservoir cavity. included to provide additional strength. Lid 70 provides pro
The polymerization reactor and process for forming poly- tection to heat exchanger 60 from the environment and pre
mers have the advantages of: effectively removing heat away vents items from falling onto heat exchanger 60 and into
from the polymerization reactor; permitting the formation of 50 reservoir 80. Lid 70 also includes an inner surface 77 to which
a large amount of polymer in each polymerization reactor; not heat exchanger 60 is attached. Lid 70 may be formed out of
requiring the addition of cooling additives; and permitting the any material known to persons of ordinary skill in the art.
use of a re-useable polymerization reactor. Preferably, lid 70 is formed out of stainless steel.
Heat exchanger 60 preferably includes plate hanger assem
BRIEF DESCRIPTION OF DRAWINGS 55 bly 61, coolant inlet manifold 62, coolant outlet manifold 63,
at least one coolant inlet conduit 64, at least one coolant outlet
A ■ -j • j- -r- , j- . p.i conduit 65, and at least one heat exchanger plate 66 having
FIG. 1 is a side view of one specific embodiment of the . . „ TT . . ,.° f. ... , ,°
, ... P., ,. ,. exchanger cavity 69. Hanger assembly 61 preferably includes
polymerization reactor of the present invention. , , °_„ J . f p ,, ,
bracket 59 to permit attachment of each heat exchanger 66 to
FIG. 2 is a perspective view of the heat exchanger of the g0 jjd
polymerization reactor shown in FIG. 1. Coolant inlet manifold 62 is in fluid communication with at
FIG. 3 is a perspective view of the polymerization reactor ieast 0ne coolant inlet conduit 64 which is in fluid communi
shown in FIG. 1. cation with heat exchanger plate 66. Likewise, coolant outlet
While the invention will be described in connection with manifold 63 is in fluid communication with at least one cool
the preferred embodiment, it will be understood that it is not 65 ant outlet conduit 65 which is in fluid communication with
intended to limit the invention to that embodiment. On the heat exchanger plate 66. In one specific embodiment, having
contrary, it is intended to coverall alternatives, modifications, one heat exchanger plate 66, one of each of coolant inlet