DE7427716U - Device for the distribution of liquid-vapor mixtures in injection evaporators - Google Patents
Device for the distribution of liquid-vapor mixtures in injection evaporatorsInfo
- Publication number
- DE7427716U DE7427716U DE7427716U DE7427716DU DE7427716U DE 7427716 U DE7427716 U DE 7427716U DE 7427716 U DE7427716 U DE 7427716U DE 7427716D U DE7427716D U DE 7427716DU DE 7427716 U DE7427716 U DE 7427716U
- Authority
- DE
- Germany
- Prior art keywords
- liquid
- diffuser
- distribution
- injection
- vapor mixtures
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000000203 mixture Substances 0.000 title claims description 8
- 238000002347 injection Methods 0.000 title claims description 6
- 239000007924 injection Substances 0.000 title claims description 6
- 238000009826 distribution Methods 0.000 title description 5
- 238000009827 uniform distribution Methods 0.000 claims description 2
- 239000003507 refrigerant Substances 0.000 description 4
- 241001527806 Iti Species 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000006200 vaporizer Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
- F28F9/026—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits
- F28F9/028—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits by using inserts for modifying the pattern of flow inside the header box, e.g. by using flow restrictors or permeable bodies or blocks with channels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
- F25B39/02—Evaporators
- F25B39/028—Evaporators having distributing means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/40—Fluid line arrangements
- F25B41/42—Arrangements for diverging or converging flows, e.g. branch lines or junctions
- F25B41/45—Arrangements for diverging or converging flows, e.g. branch lines or junctions for flow control on the upstream side of the diverging point, e.g. with spiral structure for generating turbulence
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Description
* 11 IJ JT* 11 IJ JT
ill 1311ill 1311
> J ) > > ItI> J)>> ItI
> ι ·» 3 > ι ι> ι · »3 > ι ι
lit 11 JJlit 11 yy
WIELAND-WERKE Ulm (Donau)', den 14. 8. 1974 weWIELAND-WERKE Ulm (Danube) ', August 14, 1974 we
Aktiengesellschaft PAT 2201Public limited company PAT 2201
Vorrichtung zur Verteilung von Flüssigkeits-Dampfgernischen bei EinspritzverdampfernDevice for the distribution of liquid-vapor mixtures with injection evaporators
Gegenstand der Neuerung ist eine Vorrichtung zur gleichmäßigen Verteilung von Flüssigkeits-Dampfgemischen ?.uf parallel geschaltete Rohre, insbesondere eines Einspritz- oder Trockenexpansr.onsverdampfers. The object of the innovation is a device for uniform Distribution of liquid-vapor mixtures?. To pipes connected in parallel, in particular of an injection or dry-expansion evaporator.
Um einen Einspritz- oder Trockenexpansionsverdarapfer, der mehrere parallel geschaltete kältemittelführende Rohre besitzt, optimal nutzen zu können, muß das vom Expansionsventil kommende Kältemittel gleichmäßig auf die einzelnen Rohre verteilt werden.To an injection or dry expansion vaporizer that has several has refrigerant pipes connected in parallel to be able to use the refrigerant coming from the expansion valve optimally be evenly distributed over the individual pipes.
Hierzu werden üblicherweise Zentrifugalverteiler,· Staudüsen oder Venturi-Verteiler benutzt. Der Nachteil dieser Verteiler liegt darin, daß zwischen den eigentlichen Verdampferrohren und dem Verteiler Rohre relativ kleinen Durchmessers montiert werden müssen, was ζυ einem hohen Arbeitsaufwand und Platzbedarf der gesamten Verteilvorrichtung führt* Außerdem ist aufgrund rler Ab-For this purpose, centrifugal distributors, stagnation nozzles or Venturi distributors are usually used. The disadvantage of this distribution is that relatively small diameter have to be mounted between the actual evaporator tubes and the manifolds, which ζυ a high labor and space requirement results in the entire distributor * In addition, due to r ler ex
742771621.11.74742771621.11.74
messungen des Verteilers die Zahl der abgehenden Rohre stark begrenzt. Ein weiterer Nachteil liegt in dem hohen Druckabfall aller erwähnten Lösungen. ·measurements of the distributor severely limit the number of outgoing pipes. Another disadvantage is the high pressure drop of all mentioned solutions. ·
Es ist daher Aufgabe der Neuerung, eine Vorrichtung zur gleichmäßigen Verteilung von Flüssigkeits-Dampfgemischen auf parallel geschaltete Verdampferrohre vorzuschlagen, die sich ohne großen Aufwand montieren läßt, die einen geringen Platzbedarf hat und die sioh auch für eine große Zahl von abgehenden Rohren eignet.It is therefore the task of the innovation to provide a device for uniform To propose distribution of liquid-vapor mixtures on parallel-connected evaporator tubes, which can be achieved without major Can assemble effort, which has a small footprint and which sioh is also suitable for a large number of outgoing pipes.
Die Aufgabe wird neuerungsgemäß dadurch gelöst,- daß nach einer kegeligen Düse eine zylindrische Drosselstelle angeordnet ist, die gleichmäßig in einen Diffusor übergeht, der einen Abstand zu einem Rohrboden aufweist, in welchen die Rohre eingelassen sind.The object is achieved according to the invention, - that after a conical nozzle a cylindrical throttle point is arranged, which merges evenly into a diffuser, which is a distance to a tube sheet in which the tubes are embedded.
Nach einer bevorzugten Ausführungsform der Neuerung beträgt der Kegelspitzenwinkel der Düse zwischen 110 und I300.According to a preferred embodiment of the innovation of the cone apex angle of the nozzle between 110 and I30 0th
Nach einer weiteren bevorzugten Ausführungsform sind die Wände des Diffusors gewölbt. Vorzugswelse bilden die Wände dabei im Längsschnitt einen Viertelkreis. Es empfiehlt sich, das Verhältnis R/d zwischen 0,8 und 1,7 land des Verhältnis R/t zwischen 0,6 und 2,5 zu wählen. Es ist hierbei R der Wölbungsradius der Diffusor-According to a further preferred embodiment, the walls of the diffuser are curved. The walls preferably form a quarter circle in a longitudinal section. It is advisable to choose the ratio R / d between 0.8 and 1.7 and the ratio R / t between 0.6 and 2.5. Here, R is the radius of curvature of the diffuser
742771621.11.74742771621.11.74
• 4 I * t• 4 I * t
I I II I I
• I III!• I III!
wand im Längsschnitt, d der Durchmesser der Drosselstelle, t der Abstand des Diffusors vom Rohrboden.wall in longitudinal section, d is the diameter of the throttle point, t the distance of the diffuser from the tube sheet.
Die neuerungsgemäße Vorrichtung erlaubt eine sehr gleichmäßige Verteilung von FiUssigkeits-Dampfgemischen auf parallel geschaltete Rohre, sie läßt sich mit geringem Aufwand montieren, und sie ist für Verdampfer Jeder Rohrzahl geeignet. Der Platzbedarf der gesamten Vorrichtung ist äußerst gering.The device according to the invention allows a very even distribution of liquid-vapor mixtures in parallel Pipes, it can be assembled with little effort, and it is suitable for evaporators of any number of pipes. The space requirement the entire device is extremely small.
Die Neuerung wird anhand der Zeichnungen näher erläutert. Es zeigen:The innovation is explained in more detail with reference to the drawings. Show it:
Fig. 1 einen Längsschnitt durch eine neuerungsgemäße Vorrichtung, Fig. 2 einen Querschnitt gemäß Schnitt A - A in Fig. 1.1 shows a longitudinal section through a device according to the invention, FIG. 2 shows a cross section according to section A - A in FIG. 1.
In die Bohrung 1 np.ch Fig. 1 wird das kältemittelssuf Uhrende Rohr 2 eingelötet. Das Flüssigkeits-Dampfgemisch durchströmt in Pfeilrichtung nach Verlassen des Rohres 2 die Düse 5, die Drosselstelle 4 und den Diffusor 5, bevor es in die Einlaufkammer 6 gelangt, wo es auf die Rohre 7, 8, 9 verteilt wird, die In dem Rohrboden 10 befestigt sind, welcher wiederum in den Vorrichtungskörper 11 eingesetzt 1st. R bezeichnet den Wölbungeradius der Diffusorwand, d den Durchmesser der Drosselstelle 4, t den Abstand des Diffusors 5 vom Rohrboden 10.In the hole 1 np.ch Fig. 1, the refrigerant suf clock end Tube 2 soldered in. The liquid-vapor mixture flows through it in the direction of the arrow after leaving the pipe 2, the nozzle 5, the throttle point 4 and the diffuser 5 before it enters the inlet chamber 6 arrives, where it is distributed to the tubes 7, 8, 9, which are fastened in the tube sheet 10, which in turn is in the device body 11 is inserted. R denotes the radius of curvature of the diffuser wall, d the diameter of the throttle point 4, t is the distance of the diffuser 5 from the tube sheet 10.
742771S2l.ti.74742771S2l.ti.74
I I I I II I I I I
Figur 2 zeigt im Querschnitt die Anordnung der Rohre 7, 8, 9 sowie 12 und IJ.FIG. 2 shows the arrangement of the tubes 7, 8, 9 in cross section as well as 12 and IJ.
Die beschriebene Neuerung eignet sich nicht nur für eine Verwendung bei Kältemittel-Einspritzverdampfern sondern ebenso gut für alle anderen Fälle, bei denen ein Flüssigkeits-Dampfgemisch gleichmäßig auf mehrere parallel geschaltete Rohre verteilt werden soll, so z. B. bei allen Rohrbündelwärmeübertragern.The innovation described is not only suitable for one use with refrigerant injection evaporators but just as well for all other cases in which a liquid-vapor mixture should be evenly distributed over several parallel pipes, so z. B. with all tube bundle heat exchangers.
- Schutzansprüche -- Protection claims -
74277HuiLii74277HuiLii
Claims (5)
Publications (1)
Publication Number | Publication Date |
---|---|
DE7427716U true DE7427716U (en) | 1974-11-21 |
Family
ID=1307985
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE7427716U Expired DE7427716U (en) | Device for the distribution of liquid-vapor mixtures in injection evaporators |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE7427716U (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3434044A1 (en) * | 1984-09-17 | 1986-03-27 | TYLER Refrigeration GmbH, 6250 Limburg | SUCTION SUCTION PIPE FOR REFRIGERATION PLANTS AND HEAT PUMPS |
EP1844288A2 (en) * | 2005-02-02 | 2007-10-17 | Carrier Corporation | Heat exchanger with fluid expansion in header |
DE102015014090A1 (en) * | 2015-11-03 | 2017-05-04 | Modine Manufacturing Company | Flow homogenization in heat exchangers |
EP3244139A1 (en) * | 2016-05-11 | 2017-11-15 | Hamilton Sundstrand Corporation | Flow distributor for two-phase flow |
-
0
- DE DE7427716U patent/DE7427716U/en not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3434044A1 (en) * | 1984-09-17 | 1986-03-27 | TYLER Refrigeration GmbH, 6250 Limburg | SUCTION SUCTION PIPE FOR REFRIGERATION PLANTS AND HEAT PUMPS |
EP1844288A2 (en) * | 2005-02-02 | 2007-10-17 | Carrier Corporation | Heat exchanger with fluid expansion in header |
EP1844288A4 (en) * | 2005-02-02 | 2010-07-21 | Carrier Corp | Heat exchanger with fluid expansion in header |
DE102015014090A1 (en) * | 2015-11-03 | 2017-05-04 | Modine Manufacturing Company | Flow homogenization in heat exchangers |
EP3244139A1 (en) * | 2016-05-11 | 2017-11-15 | Hamilton Sundstrand Corporation | Flow distributor for two-phase flow |
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