DE1519715B

DE1519715B - Radiators for circulation evaporators

Info

Publication number: DE1519715B
Authority: DE
Inventors: Franz Ing Termtz Mattern (Oster reich) BOId3 18
Original assignee: Schoeller Bleckman Stahlwerke AG
Current assignee: Schoeller Bleckman Stahlwerke AG

Description

Die österreichische Patentschrift 39 503 beschreibt Zufluß 5 wird das Heizmedium, beispielsweise Dampf einen Heizapparat für Vakuumpfannen, bei welchen 40 oder Warmwasser, in den Heizkörper geleitet und die zu verdampfende Flüssigkeit zwischen ineinander- erfüllt den Ringraum 6, um beim Abfluß 7 entweder liegenden konzentrischen Rohren zirkuliert, wobei die als Kondensat oder als abgekühlte Flüssigkeit den Rohre in zwei sich rechtwinklig kreuzenden Sätzen Heizkörper wieder zu verlassen. Die zu verdampfende zwischen den Wänden einer vorzugsweise rechteckigen Flüssigkeit wird durch den Zulauf 8 in den Behälter (|ί Dampfkammer angeordnet sind. Diese Konstruktion 45 geleitet und verläßt als Brüde beim Rohrstutzen 9 stellt im Prinzip eine Rohrbündelheizung dar. Bei ihr den Behälterraum. Das Spritzblech 10 dient dazu, um sind zur Erzeugung des Zirkulationsprozesses sehr ein Überschlagen von Flüssigkeitstropfen nach oben komplizierte Anordnungen erforderlich, wobei der zu verhindern.
Wirkungsgrad gering ist. Hinzu kommt die Schwierigkeit der Reinigung und die örtlich sehr unterschied- 50 Patentanspruch:
liehe Zirkulationsströmung, die auch noch mit zonenweisen Überhitzungen und Unterkühlungen verbunden Heizkörper für Umlaufverdampfer, bei denen ist. Bei den engen Strömungsquerschnitten kommt es die Zu- und Ableitungen für die Heizmedien zwangläufig zu Stauungen und Durchtrittshemmungen; gleichzeitig zur Halterung des Heizkörpers innerdiese Art von Heizkörpern konnte sich nicht in die 55 halb des Behälters dienen, d a dur ch gekenn-Praxis einführen. zeichnet, daß der Heizkörper ein zur Läiigs-The Austrian patent specification 39 503 describes inflow 5, the heating medium, for example steam, a heater for vacuum pans, in which 40 or hot water, is passed into the radiator and the liquid to be evaporated between one another fills the annular space 6 to the outflow 7 either concentric pipes circulates, with the radiators as condensate or cooled liquid leaving the pipes in two sets that cross at right angles. The liquid to be evaporated between the walls of a preferably rectangular liquid is passed through the inlet 8 into the container (| ί vapor chamber. This construction 45 and leaves as vapor at the pipe socket 9 basically represents a tube bundle heating 10 is used in order to generate the circulation process very much an overturning of liquid droplets upwardly required complicated arrangements, in which case the.
Efficiency is low. In addition, there is the difficulty of cleaning and the very local differences.
Borrowed circulation flow, which is also associated with zone-wise overheating and subcooling. Radiators for circulation evaporators, where is. In the case of the narrow flow cross-sections, the supply and discharge lines for the heating media inevitably lead to congestion and obstructions; at the same time to hold the radiator inside this type of radiator could not be used in the half of the container, since through ch gekenn practice introduce. shows that the radiator is a

Die schweizerische Patentschrift 268157 beschreibt achse des Behälters geneigt liegendes MantelrohrThe Swiss patent specification 268157 describes the axis of the container inclined casing pipe

einen Rohrbündelheizkörper, wenn auch bei diesem (3) aufweist, auf welchem parallel zur äußerena tube bundle heater, albeit with this (3), on which parallel to the outer

die Rohrbündelung durch eine Verschachtelung er- Mantelfläche ein Leitblech (4) angeordnet ist.the tube bundling is arranged by nesting a lateral surface with a guide plate (4).

Hierzu 1 Blatt Zeichnungen1 sheet of drawings

Claims

1 21 2

The invention relates to a radiator for the following. The effect created in this way is only achieved through the

Running evaporators, in which the supply and discharge lines achieve rotation, so that the basic idea of this

for the heating media at the same time to hold the patent specification in mounting on a motor-driven

Serve radiators inside the container. driven wave lies. Such a radiator too

In the case of evaporators or devices for input 5 requires a high level of technical effort and is

thick tubular radiators are usually difficult to clean.

turns. The tubes are either battery-like. In contrast, the invention has the task of

combined into elements or in the form of a radiator with a higher efficiency

snakes present. Although such tubular heaters create, with the installation and removal of the radiator

bodies have a larger heating surface, the io is simplified and cleaning is to be made easier,

thus achieved performance in an unsatisfactory These goals are mentioned in the introduction

Ratio. This is mainly because the radiator according to the invention is realized by

the thermodynamics resulting movement that the radiator one to the longitudinal axis of the container

Liquid causes local irregularities. has inclined casing pipe on which

In addition, such tube-like tubes, which are combined in the manner of a battery, are preferably parallel to the outer jacket surface

elements or heating coils for cleaning difficult baffle is arranged. This creates a circulation

accessible, so that if the material to be evaporated for a longer period of time, it causes a flow,

drove a not inconsiderable part of the heating surface through which the efficiency in relation to the

has a reduced heat transfer. Heat transfer is favorably influenced. Through the

In the case of the known UmI on evaporators, the arrangement of a guide plate still has this effect It is also necessary that it be further increased in terms of construction. The use of the in and out The respective built-in radiators take care of the heating medium to carry the heating have to. This entails in the further consequence, the basis is based on the consideration of the circulation ( correspondingly increased construction costs for the entire pre-evaporator as simply and economically as possible direction and, moreover, when carrying out repairs.

doors, especially on the radiator, the failure of the front This advantage of simplicity is in the performance at all. In the case of a wide variety of products that are to be thickened, due to evaporators or devices for thickening the complex apparatuses, special attention has also been paid to ensuring that as far as possible cleaning and thus also easy germ-free keeping, sufficient circulation or a rotary movement 30, especially in the production of medicinal products and similar liquid takes place within the container, whereby borrowed industries, of great importance,
partial designs are known, which are explained in more detail by means of an exemplary embodiment of the Erchanische devices a forced circulation subject matter of the invention,
ensure. The drawing shows a container 1 in a longitudinal section

The German patent specification 809 548 describes a 35 with the sight glass 2 shown. In this container Immersion evaporator for high performance with a horizontal radiator is built in, which consists of a heating element and crosswise to one another arranged container axis inclined lying jacket tube 3 consists Heating pipes. and is provided with a guide plate 4. Through the