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Supported browsers include Chrome, Edge, Firefox, and Safari. Select from the links below to access available Technical Manuals for your particular machine type. After substantially all the hot water is transferred from the vessel 32 to the holding tank 92, the valve is closed and cooling water is added to the pressure vessel 32 through conduit and open valve After the vessel has been filled with cooling water, the pump circulates the water through the tunnel 66 to cool the containers.
During this time some of the coolant may be drained from the vessel through drain conduit and open valve and additional cold water may be added through conduit if desired.
During cooling, the air pressure from conduit 82 is gradually reduced until the containers are cooled sufficiently to allow the vessel to be reduced to atmospheric pressure.
All the water is then drained from the vessel 32, through conduit , the door 38 is opened, and the carts of processed containers are removed from the vessel. The tank 92 is also provided with a high pressure air conduit having a valve therein, and a vent having a valve therein. Makeup water is supplied to the tank 92 through conduit having a valve therein, and the tank 92 may be drained by valved conduit As mentioned above, the substantially flat containers C being processed by the retort system 30 of the present invention are thin walled containers, such as aluminum pouches or trays, having fast heat penetration rates.
In accordance with the present invention the processing time is reduced by positioning the containers so that the heat treatment liquid flows parallel to and past both flat sides of each container thereby subjecting large flat areas of each container to a heat treatment liquid flowing therepast without creating voids on the downstream side of the container as would occur if the flow was normal to the flat sides of the container.
Thus, if the tunnel 66 is 6 feet long, the heat treatment liquid should be flowing at about 12 feet per minute; and if the tunnel is 12 feet long the heat treatment liquid should flow at about 24 feet per minute for best results. It will be understood that when two or more carts are positioned in end to end relation as indicated in FIG. A second embodiment 30a of the retort system is illustrated in FIGS. As diagrammatically illustrated in FIG. The shaft is driven by a motor and a chain drive to circulate the water at the proper rate and in the direction indicated by the arrows in FIG.
As best shown in FIG. A third embodiment of the retort system 30b of the present invention is illustrated in FIGS.
Thus, the trays 50b in each cart, and cooperating transverse baffles , define their own transverse processing sections The baffles each include a generally rectangular opening for permitting several short handled carts 40b to be positioned in the pressure vessel 32b as illustrated in FIG. In addition to the baffles , longitudinally extending upper baffles FIG. The heat treatment liquid is circulated by a pump b which receives the liquid from each section of the vessel 32b below each cart 40b by separate suction pipes and a main suction conduit The pump b directs the relatively high pressure liquid through a main supply pipe through individual pipes only one being shown in FIG.
Also, each processing section has its own valved conduit 94b for receiving hot liquid from a holding tank not shown which is similar to the holding tank 92 of the first described embodiment 30 of the invention.
In other respects the water, steam and air recirculation system 80b used with the third embodiment 30b of the retort system of the invention operates in a manner substantially the same as that of the first described embodiment of the invention. The three above described embodiments of the retort system of the present invention illustrates different forms of non-agitating retort systems. Parts of the fourth embodiment 30c of the retort system which are similar to those of the first embodiment of the invention will not be described in detail but will be assigned the same numerals followed by the letter "c".
Each cart 40c supports a reel , and each reel includes an outer cylindrical wall FIGS. The cylindrical walls and are secured to a shaft by annular end walls and having central openings FIG. The end walls are connected to the shaft by radial legs with the inner and outer cylindrical walls and being concentric with the shaft The end walls and also have a plurality of equally spaced openings therein to which the aforementioned perforated cartridges are rigidly secured as best shown in FIG.
Although the drawings do not show all of the holes in the cylindrical walls , , and in the cylindrical walls of the cartridges , it will be understood that each of these walls are fully perforated.
As indicated in FIG. In this regard, during the container loading and unloading operation each cart 40c is moved along tracks over a pit and onto a tilting mechanism The tilting mechanism is not critical to the invention but is illustrated and described to give a better understanding of how the containers C are loaded into and unloaded from the cartridges.
The tilting mechanism includes arms that are rigidly secured to forks projecting at right angles therefrom and interconnected by a support beam The arms are journaled in bearings not shown and are pivoted about an axis from a normally horizontal position within the pit to the illustrated upstanding position by a hydraulic cylinder Normally the shape and strength of the lowermost container C is sufficient to close the lower end of the cartridge sufficiently to control the flow of water substantially radially there past.
However, if the containers are too flexible or too small to adequately control the flow of liquid, it will be understood that it is within the scope of the invention to insert an imperforate disc or the like, not shown upon the annulus to close the lower end of the cartridge. Spacer rings FIGS. A cap having leaf springs thereon which engage the uppermost spacer ring is then inserted into the cartridge The cap is locked in place by ears which are received in locking slots formed in the inner surface of the cartridge Helical vanes are secured to the outer surfaces of each reel to aid in circulating the treatment liquid during processing as indicated by the arrows in FIG.
During processing, the reels are interconnected by a non-circular socket on one end of each shaft and a mating non-circular drive member formed on the other end of each shaft. The reels are driven in the range of about revolutions per minute by a motor that is connected to a drive shaft by a chain drive The drive shaft is journaled for rotation and projects through the end closure 36c of the pressure vessel 32c.
The drive shaft includes a noncircular drive member which drivingly engages the adjacent socket to drive the reels. It will be apparent from FIGS. Thus, the processing tunnel 66c of each reel is defined by the annular end walls and , the previously referred to end containers in each cartridge or cartridge closure disc, not shown and the cartridge closing caps A water, steam, and air circulation system 80c is only partially illustrated in FIGS.
It will be sufficient to note that the pump c FIGS. The relatively high pressure liquid is quided into the perforated inner cylindrical wall of the adjacent reel by a frusto-conical baffle having recirculating openings therein. Tunnel sections in the form of rings are secured to the downstream arms of the associated carts 40c and have slots in their lower portions to receive the upstream arms of the next adjacent downstream cart 40c as illustrated in FIG.
The ring of the last cart is closed by a cap to prevent flow of the heat treatment liquid therethrough thereby assuring that the water will flow radially through the radial processing tunnel 66c defined in each reel The vanes aid the suction conduit c in moving the cooking liquid past the perforated steam pipes c FIG. A fifth embodiment 30d of the retort system of the present invention is illustrated in FIGS.
Since many portions of the retort system 30d are similar to those of the first embodiment of the invention, only the difference will be described in detail, and components of the fifth embodiment of the retort system that are similar to those of the first embodiment will be assigned the same numerals followed by the letter d.
Each cart 40d includes upstanding support members and which journal stub shafts and , respectively. A non-circular driving member is formed on one end of the shaft to drivingly engage a socket formed one end of the shaft of the next adjacent cart. A similar socket on the shaft is drivingly engaged by a non-circular driving member not shown on a drive shaft journaled in the end closure 36d.
The shaft and reels are rotated between about 2to 5 revolutions per minute by a motor M connected thereto by a chain drive Four radial legs FIG. Similarly, four radial legs FIG. An imperforate lower wall of the reel is rigidly secured to the lower edges of the end frames and to define one wall of the processing tunnel 66d and to support a plurality of rectangular nesting trays 50d of containers C thereon.
In order to clamp the trays 50d in the reel, hold down bars and FIG. An intermediate hold down bar extends transversely across the uppermost trays and is clamped between the trays and the lower wall of the reel by elongated bolts and cooperating wing nuts
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