DD276337A1 - METHOD AND DEVICE FOR FREEZING THE FEEDING OF A ROTATING PLATE FREEZER - Google Patents

Abstract

The invention relates to a method and a device for freeze-friendly loading of a Rotationsplattengefrierapparates. The invention has application in the field of freezing technology and relates to a method and an apparatus for carrying out the method, the technical solution of an unhindered, freeze-friendly loading of rotary plate freezers with bilateral use of Gefrierplattenwaermetauscherflaechen for heat exchange allows. According to the invention, the object is achieved in that prior to the time of frozen goods feeding the freezer, which has taken its rest position temporally and locally in the stepwise cycle clock immediately before the loading level, previously all freezer frame another freezer, which precedes the freezer before the loading level by at least one clock step is taken and deposited on a arranged outside the rotor removal plane. Thereafter, all freezing plates, which are located temporally and locally between the loading and unloading plane, tangentially at least partially in the resulting free space of the freezer compartment in the removal area by the amount of x shifted dipping, such that on the one hand in the loading area an enlargement and in the removal area a reduction of Freezer compartment height is reached, wherein when removing the freezer frames from the freezer compartments which are not supported by the freezing frame freezing plates are supported by the engagement of adjusting elements. In the device between each adjacent freezing plates within the freezer compartment rigidly connected to the rotor flange protruding stop members are arranged, on which in turn adjusting elements for spreading the freezing plates are arranged, which have two height-adjustable end positions of h and h-x. Fig. 4 c

Description

For this 4 pages drawings

Field of application of the invention

The invention has application in the field of freezing technology and relates to a method and a device for the freeze-friendly loading of rotary plate freezers for the freezing of food and similar frozen goods.

Characteristic of the known state of the art

There is known a rotary plate freezer in which the individual freezing complexes each consist of a fixedly arranged on rotor flanges freezing plates, which is associated on both sides each with a tangentially against springs movable freezing plate, whereby the compensation of freezing and the unimpeded feeding of the freezer rooms are possible but not all of the refrigerator plates are used on both sides for heat exchange and the rotor has empty space between the freezing plate packages.

Further, a rotary plate freezer is known in which wedge-shaped freezing plates are uniformly spaced from each other around the entire periphery, all of the freezing plates being used for heat exchange. Due to the low mobility of the freezing plates in a radial direction only against springs Ut it is possible to compensate for freezing, but not for unimpeded, freeze-friendly feeding.

Furthermore, a solution is known in which freeze plate packages are pivotally mounted on polygonal rotor flanges. By pivoting the dio freezers can be increased for the purpose of unimpeded feed or reduced to achieve a good contact thereafter. This will be abc. not all freezing plates used on both sides for heat exchange and the rotor has Laerräume between the freezing plate packages.

Next, a solution is known in which all wedge-shaped freezing plates are used on both sides for heat exchange g., The freezing plates are individually mounted in frames, the tangential pivoting and radially displaceable on rotor flanges zoeinbnder at the entire circumference stored sino, At one for the Loading and unloading of the freezer frame located between the freezing areas of the rotor circumference is provided that the distance between two adjacent pla.'en is greater than the average Absind between the freezing plates, allowing an unobstructed feed. That is, by η rotational movements, the η bearing points are rotated by 360 °, the η freezing plates in their frame but only by 360 ° - Δα; Therefore, each freeze plate after η rotational movements must be additionally pivoted by Δα. This requires to achieve a stable system a variety of holding and locking elements and motion overlay. This makes the whole process very complicated. In addition, the technologically necessary further rotation of the Rounger is complicated at longer intervals in Bpschickungs- and En'riahmezyklus by either the distance increase for each feed and removal plane passing freezer pair is performed, resulting in poor contact of the frozen food to the freezing plates, or , the distance enlargement of a frozen plate pair is to be fixed and the rotor so continue to rotate and later continue with exactly this pair of freezing plates of the loading and unloading cycle.

Object of the invention

The aim of the invention is to eliminate the prior art Techi .ik disadvantages in the previous rotary plate freezers and to achieve better Gefriergutqualiiät when bilateral use of frozen plates for heat exchange and simplifying the overall process, the effectiveness and the number of processability of various frozen goods in Rotationspl ttengefrierapparaten to increase.

Explanation of the essence of the invention

The invention is based on the object of providing a method and, to carry out the method, providing a device whose technical solution realizes an unimpeded, freeze-friendly loading of rotary plate freezers with heat-exchange on both sides.

According to the invention the object is achieved in that prior to the time of frozen goods feeding the freezer compartment, which has taken its rest position temporally and locally in the stepwise cycle immediately before the loading level, before all freezer frame another freezer, which precedes the freezer compartment before the loading level by at least one clock step is withdrawn and deposited on a removal plane arranged outside the rotor. Thereafter, all freezing plates, which are located temporally and locally between the loading and unloading planes, are tangentially at least partially immersed in the resulting free space of the freezer compartment in the removal area by the amount of χ so that, on the one hand, an increase in the loading area and, in the removal area, a reduction of the size the freezer compartment height is reached, wherein when removing the Geftiorrahmen from the freezers not supported by the freezer frame freezing plates are supported by the engagement of adjusting elements. After removing the freezer frame, both in the removal area and in the bedding area, the freezer frame of the loading area is filled with frozen food, inserted into the freezer compartment with the extended freezer compartment height, the Gofrier plates located between the loading and unloading levels become tangent again to their normal position shifted, such that all arranged at the periphery of the rotor freezers have a height h. Subsequently, the frozen bars on the removal level are pushed back into the freezer. A new stepwise cycle clock can then succeed in and the ancestral process repeats itself. Boi the Votrichtung to carry out the process are between adjacent. Freezer plates within the freezer sections * rigidly connected to the rotor flange, perpendicular to the center axis of the rotor projecting stop carrier arranged, which are rigidly connected to each other before and behind each Go.'rierplatte together and all have a height of = h - χ. Between all adjacent frozen plates Verstellclemente are arranged, which have two height-adjustable end positions of h and h - χ, wherein the position B with the height h at a given plus tolerance corresponds approximately to the freezing heights. According to the invention is further significant that for preventing rotation of the entire distributed around the circumference arranged annular freezing plate package both rotation and measures of loading and unloading and before taking a defined position of the freezers or Gofrjerrahmen on the circumference of the rotor and exact match of the manipulation levels in the field Charging and removal of at least one adjustment of each freezer compartment level in the occupied position B in lockable engagement position between stop trimmer and Gefriarplatte is arranged brought. In a further embodiment, the adjusting elements can be arranged on the outside of the respective stop carriers or, when the stop carrier is formed, as being pivotable or lowerable as a hollow profile into the cavity.

Ausführungtbelspiel

Hereinafter, an embodiment of the invention for a Rotationsplattengefrierapparat is explained in which a freezing frame for handling the frozen food is arranged between each pair of freezing plates. Show it:

Fig. 1: Rotary plate freezer side view Fig. 2: Rotary plate freezer top view in section Fig. 3: Rotary plate freezer adjusting element Figs. 4a, 4b, ac, 4d: operations

The Rotationsplattengefrierapparat has in a known manner with a cold carrier or refrigerant-sensing wave with Distributor or collector, glands and flanges and a drive for the rotational movement. In Figures 1 and 2, the structure is shown. At rotor flanges 1 stop carrier 2 are arranged radially stsrr, which at their outer end with each other

connected by the connection carrier 14 to a rigid outer ring and A., beat 7 and 8, springs 6 and

Adjusting elements 5 are provided. Between these are wedge-shaped freezing plates 3 radially against the springs 6 to the outside

movably arranged. In the radial direction inwardly and outwardly, the freezing plates are limited by the stops 7 and 8 as well as arranged tangentially between the overlying stop members 2 and the underlying adjusting elements 5. Between the freezing plates 3 are, with these forming a closed rotor ring and laterally bounded by the adjusting elements 6 and radially by the stops 15 and the guides 16, the freezer frame 4th

FIG. 3 shows an embodiment of the adjusting element 5. In the stop carrier 2 is in the connecting elements. 9

an eccentric shaft 10 is mounted with actuating lever 11. In the position 3 of the eccentric shaft 10 (drawn thick), the opposing Gefricrplatte 3 is fixed tangentially between the eccentric shaft 10 and the overlying Anschlagträgor 2, the adjustment realizes the height h.

The actuating lever 11 is pressed by the tension spring 12 to dio stop edge 13 of the stop carrier 2. From Frozen goods pressure and / or freezing pressure ρ resulting forces are so in the absence of back pressure p '(corresponds to empty Freezer) from the freezer plate 3 via the eccentric shaft 10 on the stop carrier 2 and from these inner to the Rotor flange 1 and externally transferred to the connection carrier 14, wherein by the slightly, preferably 3 ° to 10 °, in addition

the vertical position B of the eccentric shaft 10, the forces resulting from the pressure ρ act in addition to the tension spring 12-position locking. By external actuation of the actuating lever 11, the eccentric shaft 10 is brought into its position A (shown by dashed lines), the adjustment realizes the height h - x, whereby the tangential Veischieben by χ the

Frozen plate 3 away from the overlying stopper carrier 2 in the direction below allows w ¬ rd. As variants

are the Ano. Jnung of 2 or more flanges on a rotor shaft, the arrangement of 1 or more freezer frames each

Frozen plate level and the arrangement of 1 or more freezing plates per Gefärbbene possible. Feed * and take planes may be located both immediately and remotely adjacent. at Maintaining the described principle, it is possible by changing the arrangement of elements that the extraction plane over

the loading level is arranged. To increase stability, the carrier of the adjusting elements can also be closed

Ring formed or interconnected by means of tabs. The functional sequence is described below. In Figure 4a, all elements are shown in their normal position in freezing operation. All freezing frames 4 are located between the freezing plates 3, forming with these a closed rotor ring. The Freezing plates 3 are located between the stop members 2 and located in their large position B adjustment 5

tangentially fixed, but arranged radially movable.

FIG. 4 b shows an intermediate step of the loading and unloading operations. In the Beschickungkebene 18 of the

empty freezer frame 4 a drawn between the freezing plates 3 out in the filling position on a lower cassette plate 17 and filled with frozen food.

The overlying freezing plate 3 is now supported by the underlying adjusting element 5 on the stop carrier 2,

which in turn initiate the forces in the rotor flange 1 and the connection carrier 14, thus securing the closed rotor ring. In the extraction plane 19, the freezer frame 4b filled with frozen frozen goods is pulled out and deflated. Subsequently, the adjusting elements 5 located in this plane are brought by external actuators in their smaller position A.

FIG. 4c shows a further intermediate step. By external actuators located above the extraction plane 19 freezing plate 3 is up to the underneath

located adjusting 5 lowered. As a result, an enlarged freezer compartment is formed in the loading level. In this enlarged freezer is now filled with frozen food to be frozen freezer frame 4c with the lower

Cassette hole 17 without freezing plate contact of the frozen good ·! introduced gentle on the food carrier. FIG. 4d shows a further step. The Ksssettenblech 17 was withdrawn. Thereafter, the lowered frozen plate 3 by pressing the Adjustment 5 again pressed into its normal position on the stop members 2 located above it, with

Increasing reaching the larger position B of the adjustment 5, the frozen food in the freezer frame 4c growing contact on the freezer plates 3 learns.

Thereafter, the emptied freezing frame 4a is placed between the Gefriorplatten 3 in the extraction plane. After this Further rotation of the rotor ring are the normal positions according to Figure 4 a reached again.

Claims (4)

1. A method for gefriergutschonenobn charging a rotary Plattengüfrierapparates and abtaufreier removal of the frozen, characterized by, ¹ ^ aß before the time of frozen goods of the frozen food, which has taken its resting position temporally and locally in the stepwise cycle clock immediately before the loading plane, previously all freezer frame another freezer compartment which is the freezer compartment in front of the feed level by at least one clock step, preferably two clock steps, removed, and deposited on a arranged outside the rotor removal plane, that thereafter all freezing plates, which are temporally and locally in the same standstill phase of the rotor between the loading level and the removal tangentially at least partially in the resulting Freira-m of the freezer compartment in the removal area by the amount of χ be moved immersed, such that on the one hand in the loading area a Verg rößerung and in the removal area, a reduction of the freezer compartment height is achieved, wherein the freezing frames are supported by the freezing frame supported by adjusting elements when removing the freezer frame from the freezer compartments and thus always on the entire from the circumferentially arranged arranged freezing plates rotor ring time and place a seamless form and / or adhesion is produced, that filled after the removal of the freezing plates from the freezers at the extraction level and at the loading level or the freezer frame on the loading level with frozen food and inserted into the freezer compartment with the extended freezer compartment height, that thereafter the previously moved freezing plates are moved back to their normal position, so död all arranged on the circumference of the rotor freezers have a height h and then that the freezing frame on the sampling plane back in there s freezer compartment pushed back. 2. Apparatus for carrying out the method according to claim 1 using a freezing frame or a freezing mold as Entformungshilfe and at least one lower cassette sheet in unpackaged frozen goods as freezer frame support and Gefrierguteinbringhilfe, characterized in that between adjacent freezing plates within the freezer compartment rigidly connected to the rotor flange, perpendicular to Mittjnachse the rotor protruding stop carrier are arranged, which are rigidly interconnected each other before and behind each freezing plate and all have a height of = h - χ and that also between all adjacent freezing plates adjusting elements are arranged, the two height-adjustable end positions of h and h - χ, wherein the position B corresponds to the height h approximating the freezing frame height, and that at least one adjusting element of each freezing compartment level in a B occupying position B in are engagement position between the stop carrier and freezing plate arranged to be brought. 3. Apparatus according to claim 2, characterized in that all adjusting elements are arranged pivotably or lowerably mounted on the respective stop carriers. 4. Apparatus according to claim 2, characterized in that the stop carrier are formed as a hollow profile and the adjusting elements are arranged in the cavity swiveled or lowered.