Foods and beverages: apparatus – Beverage – Hopping – wort-making or ante-primary alcoholic fermentation...
Patent
1984-09-10
1985-11-12
Jenkins, Robert W.
Foods and beverages: apparatus
Beverage
Hopping, wort-making or ante-primary alcoholic fermentation...
426 29, 426495, 435 93, C12C 1304
Patent
active
045520607
DESCRIPTION:
BRIEF SUMMARY
The invention relates to apparatus for the continuous boiling of wort according to the preamble to claim 1
Known apparatus of this type is described in "Brauwelt" 1981, Volume 3, pages 49 to 51. It contains two recuperative heat exchangers connected in series for gradual raising of the temperature of the wort and two separators connected in series for gradual depressurisation and lowering of the temperature of the wort, the first separator being connected via a vapour pipe to the second recuperative heat exchanger and the second separator being connected via a vapour pipe to the first recuperative heat exchanger.
The object of the invention is to develop this known apparatus for continuous boiling, of wort so that the expenditure on plant and the space required are considerably reduced and an even better degree of efficiency is achieved from the point of view of heat engineering.
This object is achieved according to the invention by the characterising feature of claim 1.
Since the separator which serves for depressurisation and lowering of the temperature of the wort is combined with the recuperative heat exchanger into one single structural unit, numerous parts of the apparatus which were previously necessary are now superfluous, especially the connecting pipe which was previously necessary for connecting the separator to the recuperative heat exchanger as well as various valves and control elements. In this way a considerable saving of space is achieved since the separator and the recuperative heat exchanger are advantageously arranged one above the other in the common housing.
With the omission of the connecting pipes which were previously necessary the heat losses from the apparatus are also reduced, which leads to an improved degree of efficiency from the point of view of heat engineering. Finally, the reduced expenditure on cleaning constitutes a further advantage.
If two recuperative heat exchangers connected in series for gradual raising of the temperature of the wort and two separators connected in series for gradual depressurisation and lowering of the temperature of the wort are provided in the usual way, then according to the invention the first separator is combined with the second recuperative heat exchanger into one structural unit and the second separator is combined with the first recuperative heat exchanger into one structural unit. This produces the advantages described above to an even greater extent.
Advantageous embodiments of the invention are the subject matter of the subordinate claims and are explained in connection with the description of several embodiments which are illustrated in the drawings.
In the drawings:
FIG. 1 shows a general layout of apparatus according to the invention for continuous boiling of wort,
FIGS. 2 and 3 each show the layout of an embodiment of a combined separator and heat exchanger.
The apparatus shown in FIG. 1 for continuous boiling of wort contains two recuperative heat exchangers 1 and 2 for raising the temperature of the wort and a further heat exchanger 3 which is supplied for example with live steam for raising the temperature of the wort to the boiling temperature. The apparatus also contains a heat maintaining section 4 as well as two separators 5 and 6 for depressurisation and lowering of the temperature of the wort as well as for separating off the vapour.
The recuperative heat exchanger 1 and the separator 6 are combined into one structural unit (housing 7). In the same way the heat exchanger 2 and the separator 5 are accommodated in one common housing 8.
The other elements contained in the apparatus are explained in connection with the following description of the way in which it functions.
The hopped wort is delivered to the recuperative heat exchanger by a pressure increasing pump 9 and a pipe 10 at a temperature of approximately 72.degree. C. The wort is heated in this heat exchanger to a temperature of approximately 90.degree. to 92.degree. C. and then passes via a pipe 11 to the recuperative heat exchanger 2 which raises the temperature
REFERENCES:
patent: 3102813 (1963-09-01), Shore
patent: 3535116 (1970-10-01), Harsanyi
patent: 4388857 (1983-06-01), Korek
patent: 4483881 (1984-11-01), Lenz
Redl Simon
Wolfseder Alfons
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