DE3325230C2 - Water / brine-air heat exchanger - Google Patents

Water / brine-air heat exchanger

Info

Publication number
DE3325230C2
DE3325230C2 DE3325230A DE3325230A DE3325230C2 DE 3325230 C2 DE3325230 C2 DE 3325230C2 DE 3325230 A DE3325230 A DE 3325230A DE 3325230 A DE3325230 A DE 3325230A DE 3325230 C2 DE3325230 C2 DE 3325230C2
Authority
DE
Germany
Prior art keywords
water
heat exchanger
brine
air heat
heat
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 - Lifetime
Application number
DE3325230A
Other languages
German (de)
Other versions
DE3325230A1 (en
Inventor
Heinz Schilling
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SCHILLING HEINZ KG
Original Assignee
SCHILLING HEINZ KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SCHILLING HEINZ KG filed Critical SCHILLING HEINZ KG
Priority to DE3325230A priority Critical patent/DE3325230C2/en
Publication of DE3325230A1 publication Critical patent/DE3325230A1/en
Application granted granted Critical
Publication of DE3325230C2 publication Critical patent/DE3325230C2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F27/00Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F13/00Arrangements for modifying heat-transfer, e.g. increasing, decreasing
    • F28F13/06Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2265/00Safety or protection arrangements; Arrangements for preventing malfunction
    • F28F2265/18Safety or protection arrangements; Arrangements for preventing malfunction for removing contaminants, e.g. for degassing

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Description

Die Erfindung betrifft einen Wasser/Sole-Luft-Wärmetauscher.The invention relates to a water / brine-air heat exchanger.

Wasser/Sole-Luft-Wärmetauscher sind bei gleichem Wärmekapazitätenstrom (m · Cp) durch den extremen Volumenstromunterschied von 1 m³ Wasser zu ca. 3400 m³ Luft konstruktiv vorbestimmt. Will man eine maximal mögliche Wärmemenge übertragen und dabei auch das Temperaturniveau der Energie so hoch wie möglich halten, so ist dies unabhängig von der Wärmetauscherfläche nur bei geeigneter Wärmetauscher- Bauart (Gegen- bzw. Kreuz-Gegenstromprinzip) nur bei einem Wasserwertverhältnis von w=1,0 (w=ml · cl : m2 · c2) möglich.Water / brine-air heat exchangers are the same Heat capacity flow (m · Cp) due to the extreme volume flow difference constructive from 1 m³ water to approx. 3400 m³ air predetermined. If you want the maximum possible amount of heat transmitted and the temperature level of the energy as high as keep possible, this is independent of the heat exchanger area only with suitable heat exchanger Design (counter or cross-countercurrent principle) only with a water value ratio of w = 1.0 (w = mlcl: m2c2) possible.

Dies konnte bislang dadurch erreicht werden, daß jede Lage eines Wärmetauschers ein separater Wasserkreislauf mit Anschluß an den Sammelrohren hatte (Fig. 1)So far, this could be achieved in that each layer of a heat exchanger had a separate water circuit with connection to the header pipes ( Fig. 1)

Die Verringerung der Strömungsgeschwindigkeit durch Aufteilung der Wasserwege konnte durch Verringerung des Rohrquerschnittes mittels speziell geformten und aus den verschiedensten Materialien bestehenden Füllkörper (Fig. 1a) nur bedingt ausgeglichen werden (z. B. EP 0 072 996). In den meisten Fällen jedoch sind Wärmetauscher als Gegen-Gleich-Kreuzströmer gefertigt (Fig. 2), wobei der maximale Temperaturaustauschgrad an einem Wärmetauscher auf ca. 65% (trocken), bei einer kreislaufverbundenen Wärmerückgewinnung auf ca. 42% (trocken) begrenzt ist.The reduction in flow velocity by dividing the water paths could only be compensated for to a limited extent by reducing the pipe cross-section by means of specially shaped fillers ( FIG. 1a) consisting of a wide variety of materials (eg EP 0 072 996). In most cases, however, heat exchangers are manufactured as counter-equal cross-flows ( Fig. 2), whereby the maximum degree of temperature exchange on a heat exchanger is limited to approx. 65% (dry), and approx. 42% (dry) in the case of a circuit-connected heat recovery .

Durch eingelagerte Füllkörper (Fig. 1a) kann zwar die Strömungsgeschwindigkeit erhöht werden, was jedoch nicht in jedem Fall auch eine Erhöhung des Wärmeübergangskoeffizienten an der Rohrinnenseite bedeutet. Diese Füllkörper bergen jedoch noch die Gefahr der Ablagerung von Verunreinigungen. des weiteren bedeutet das Einbringen der Füllkörper einen erheblichen Mehraufwand bei der Fertigung.The flow velocity can be increased by embedded packing elements ( Fig. 1a), but this does not always mean an increase in the heat transfer coefficient on the inside of the pipe. However, these packing elements still harbor the risk of contaminants being deposited. furthermore, the introduction of the packing means a considerable additional effort in the production.

In anderen Fällen ähnlichen Aufbaus wie Fig. 1. in denen keine Füllkörper eingebracht sind wird die Strömungsgeschwindigkeit zu gering, so daß sich der Wärmewiderstand an der Rohrinnenseite erhöht und damit die Wärmeübertragung stark vermindert wird.In other cases of a structure similar to FIG. 1, in which no packing is introduced, the flow velocity becomes too low, so that the heat resistance on the inside of the tube increases and the heat transfer is thus greatly reduced.

Eine zweckmäßige Aufteilung der Rohrlagen auf weniger Wasserwege wie in Fig. 3 jedoch ohne das wasserseitige Absperrsystem, ist nicht möglich, da der Wärmetauscher aufgrund von Luftpolstern im Wasserkreislauf nicht funktionsfähig wäre.An expedient division of the pipe layers into fewer waterways, as in FIG. 3, but without the water-side shut-off system, is not possible since the heat exchanger would not be able to function due to air cushions in the water cycle.

Beide Forderungen - Gegenstromprinzip und Wasserwertverhältnis w=1,0 - sind mit bisherigen Wärmetauschern nicht realisierbar.Both requirements - countercurrent principle and water value ratio w = 1.0 - are with previous heat exchangers not feasible.

Die Aufgabe der Erfindung besteht darin, eine konstruktive Möglichkeit zu schaffen, die Forderung nach dem Wasserwertverhältnis w=1,0 durch die zweckmäßige Aufteilung der Rohrlagen auf wenige Wasserwege, bei gleichzeitig ausreichender Strömungsgeschwindigkeit zu erfüllen. Weiterhin soll eine Möglichkeit gefunden werden, jeden Wasserweg des Wärmetauschers zu entlüften und damit betriebs- und funktionsfähig zu machen.The object of the invention is a constructive Possibility to create the demand for the water value ratio w = 1.0 due to the appropriate division the pipe layers on a few waterways, at the same time sufficient flow velocity to meet. Furthermore, a possibility should be found, everyone Vent the water path of the heat exchanger and thus to make it operational and functional.

Die Aufgabe wird erfindungsgemäß durch die im Kennzeichen des Patentanspruches vorgeschlagenen Merkmale gelöst. Mit diesem Wärmetauscher ist es möglich, die Strömungsgeschwindigkeit in einem Kreuz-Gegenstrom-Wärmetauscher, der ein Wasserwertverhältnis von w=1,0 aufweist, zu erhöhen und durch ein besonderes wasserseitiges Anschlußsystem den Wärmetauscher betriebs- und funktionsfähig zu machen. Das wasserseitige Anschlußsystem besteht dabei aus den in Fig. 3 angeordneten Absperrungen sowie Füll-, Entleer- und Entlüftungseinrichtungen (Fig. 3, Pos. 1-8). Das Beispiel der Inbetriebnahme dient der Verdeutlichung: Kaltwasseranschluß herstellen. Absperrung 1 und 2 geschlossen. Absperrung 3 öffnen, danach Absperrung 4 (mit Schlauchanschluß). Absperrungen 5-8 bleiben geschlossen. Dann Absperrung 5 solange öffnen, bis im Schlauch keine Luftblasen mehr sichtbar sind, danach Absperrung 5 schließen und Absperrung 6 öffnen usw. bis alle Wasserwege mit Wasser gefüllt und luftfrei sind.The object is achieved by the features proposed in the characterizing part of the patent claim. With this heat exchanger, it is possible to increase the flow rate in a cross-countercurrent heat exchanger, which has a water value ratio of w = 1.0, and to make the heat exchanger operational and functional by means of a special water-side connection system. The water-side connection system consists of the shut-offs shown in Fig. 3 as well as filling, emptying and venting devices ( Fig. 3, items 1-8). The example of commissioning serves to illustrate: Establish a cold water connection. Barrier 1 and 2 closed. Open barrier 3 , then barrier 4 (with hose connection). Barriers 5-8 remain closed. Then open barrier 5 until no more air bubbles are visible in the hose, then close barrier 5 and open barrier 6 , etc. until all waterways are filled with water and are free of air.

Claims (1)

Wasser/Sole-Luft-Wärmeaustauscher, dadurch gekennzeichnet, daß zur Erhöhung der Strömungsgeschwindigkeit mehrere Rohrlagen zu einem Wasserweg zusammengefaßt werden und dazu in der Höhe verspringen, wobei jeder Wasserweg separat über ein wasserseitiges Absperrsystem mit Absperrungen absperrbar und entlüftbar ausgeführt ist.Water / brine-air heat exchanger, characterized in that, in order to increase the flow speed, several pipe layers are combined to form a water path and jump to the height thereof, each water path being designed to be shut off and ventilated separately via a water-side shut-off system.
DE3325230A 1983-07-13 1983-07-13 Water / brine-air heat exchanger Expired - Lifetime DE3325230C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE3325230A DE3325230C2 (en) 1983-07-13 1983-07-13 Water / brine-air heat exchanger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3325230A DE3325230C2 (en) 1983-07-13 1983-07-13 Water / brine-air heat exchanger

Publications (2)

Publication Number Publication Date
DE3325230A1 DE3325230A1 (en) 1985-03-07
DE3325230C2 true DE3325230C2 (en) 1994-03-31

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Family Applications (1)

Application Number Title Priority Date Filing Date
DE3325230A Expired - Lifetime DE3325230C2 (en) 1983-07-13 1983-07-13 Water / brine-air heat exchanger

Country Status (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19546276A1 (en) * 1995-12-12 1997-06-19 Schilling Heinz Kg Method and device for the reliable operation of heat exchangers with several parallel liquid-flow components for heat transfer between liquid and liquid / gaseous media
DE202019103830U1 (en) 2019-07-11 2019-11-13 Seifert Systems Ltd. Arrangement for operating several air-liquid heat exchanger units connected in parallel

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4408087C2 (en) * 1994-03-10 1997-05-22 Schilling Heinz Kg Process for operating a heat exchanger system for recuperative heat exchange
CA2203213A1 (en) * 1996-05-31 1997-11-30 R-Theta Inc. Heat sink with coolant accelerator
US6447478B1 (en) 1998-05-15 2002-09-10 Ronald S. Maynard Thin-film shape memory alloy actuators and processing methods
DE10304077A1 (en) 2003-01-31 2004-08-12 Heinz Schilling Kg Air / water heat exchanger with partial water paths

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL92711C (en) * 1955-10-04
JPS5827689U (en) * 1981-08-19 1983-02-22 株式会社ミハマ製作所 Synthetic resin turbulator
DE3206512C2 (en) * 1982-02-24 1985-05-15 L. & C. Steinmüller GmbH, 5270 Gummersbach Gas / liquid co-current heat exchanger
DE3320265A1 (en) * 1983-06-04 1984-12-06 Heinrich Dr.-Ing. 4290 Bocholt Hampel Tube-in-tube heat exchanger

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19546276A1 (en) * 1995-12-12 1997-06-19 Schilling Heinz Kg Method and device for the reliable operation of heat exchangers with several parallel liquid-flow components for heat transfer between liquid and liquid / gaseous media
DE202019103830U1 (en) 2019-07-11 2019-11-13 Seifert Systems Ltd. Arrangement for operating several air-liquid heat exchanger units connected in parallel
WO2021004763A1 (en) 2019-07-11 2021-01-14 Seifert Systems Ltd. Arrangement for operating a plurality of air-liquid heat exchanger units connected in parallel
DE102019124291B4 (en) 2019-07-11 2022-03-31 Seifert Systems Ltd. Arrangement for operating a plurality of air-liquid heat exchanger units connected in parallel

Also Published As

Publication number Publication date
DE3325230A1 (en) 1985-03-07

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8101 Request for examination as to novelty
8105 Search report available
8125 Change of the main classification

Ipc: F28D 7/00

8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition