EP1673581A1 - Temperiergerät für industrielle wärmeverbraucher - Google Patents
Temperiergerät für industrielle wärmeverbraucherInfo
- Publication number
- EP1673581A1 EP1673581A1 EP04765535A EP04765535A EP1673581A1 EP 1673581 A1 EP1673581 A1 EP 1673581A1 EP 04765535 A EP04765535 A EP 04765535A EP 04765535 A EP04765535 A EP 04765535A EP 1673581 A1 EP1673581 A1 EP 1673581A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- exhaust gas
- transfer medium
- temperature control
- control device
- heat transfer
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/18—Water-storage heaters
- F24H1/20—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes
- F24H1/205—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes with furnace tubes
- F24H1/206—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes with furnace tubes with submerged combustion chamber
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C3/00—Combustion apparatus characterised by the shape of the combustion chamber
- F23C3/004—Combustion apparatus characterised by the shape of the combustion chamber the chamber being arranged for submerged combustion
Definitions
- the invention relates to a temperature control device for industrial heat consumers, in particular molds which are in heat exchange with a liquid heat transfer medium which flows in a circuit line, with a container in which there is a heating device for the heat transfer medium.
- Temperature control devices of this type are used for the temperature control of injection molds and die-casting molds for processing plastics, rubber, and metal die-casting.
- Other applications include tempering batch tanks in the pharmaceutical and chemical industries, and roller tempering in the manufacture of paper and chipboard.
- the heat transfer medium is heated in the container to a desired temperature by means of the heating device.
- the temperature is usually kept constant.
- the heat transfer medium is led to one or more heat consumers by means of a pump.
- the invention is therefore based on the object of improving a temperature control device of the type mentioned at the outset in such a way that these disadvantages are avoided, the heating time in particular being short.
- a plurality of essentially tubular exhaust gas heat exchangers are connected to the combustion chamber and are arranged at a distance from one another and open with their downstream ends into an exhaust gas collection chamber which has an outlet opening.
- Installation is simple because the combustion chamber, the exhaust gas heat exchanger and the exhaust gas collection chamber form a structural unit that can be fastened in the container.
- the combustion chamber has a connection for the supply of external burner exhaust gases which can be conducted through the exhaust gas heat exchanger when the gas burner is switched off.
- the waste heat from other gas burners, the exhaust gases of which can still have a temperature of around 160 ° C to 200 ° C, can be used to save energy Maintaining the temperature of the heat transfer medium can be used.
- the mixing device consists of an exchangeable venturi nozzle through which combustion air flows with the aid of a blower located in the mixture path, fuel gas being sucked in from a fuel gas line via at least one passage opening.
- a pressure drop occurs in the venturi nozzle, so that the fuel gas is drawn in. If the air flow changes, the fuel gas flow follows in the specified ratio.
- the maximum output of the gas burner is determined by the dimensions of the venturi nozzle. This maximum output can be changed in a particularly simple manner by merely exchanging the venturi nozzle for one with different dimensions. This is of particular importance if the heat transfer medium is to be exchanged for a heat transfer medium with a different maximum temperature.
- the combustion gas / combustion air is preferably fed to the burner plate designed as a metal fiber plate by means of a fan, the speed of which can be regulated.
- Figure 1 is a schematic representation of the essential components of a temperature control device.
- Fig. 2 is a schematic plan view of the heating device of the temperature control device.
- Fig. 1 shows a container 1 for a heat transfer medium.
- a circuit line 2 in which the heat transfer medium is pumped in a circle is on the container 1 and connected to at least one heat consumer 3 in the form of a mold.
- the molding tool 3 has a channel, not shown, through which the heat transfer medium flows and thereby releases heat.
- the molding tool is, for example, an injection mold for plastic. Water is used as the heat transfer medium.
- the container 1 is provided with a heating device 4, which is designed as a fully premixing gas burner, which is operated with natural gas.
- the gas burner has a rectangular burner plate 5, which is designed as a metal fiber plate.
- a combustion chamber 6 connects to the burner plate 5.
- the arrangement of the exhaust gas heat exchanger can also be seen in FIG. 2.
- the combustion chamber 5, the exhaust gas heat exchanger 6 and the exhaust gas collection chamber 7 form a structural unit which is fastened to a side wall of the container 1 in a manner not shown by means of a flange connection.
- the combustion chamber 6 and the exhaust gas heat exchanger 7 are in direct heat exchange with the heat transfer medium, so that the hot exhaust gases heat it up relatively quickly to the desired temperature.
- the fuel gas-A combustion air mixture is generated by means of a mixing device 10, which consists of a venturi nozzle which is open at the end, so that ambient air is drawn in by means of a fan 13. Since a pressure drop occurs in the venturi nozzle 10, natural gas is drawn in from a gas line 11 via a passage opening 12 which is designed as an annular gap.
- the gas supply can be interrupted in a known manner by means of a solenoid valve (not shown) in the gas line 11.
- the dimensions of the venturi nozzle 10 determine the maximum power of the gas burner. This maximum output can be changed in a particularly simple manner by merely replacing the venturi nozzle 10 with one having different dimensions. This is of particular importance if the heat transfer medium is to be exchanged for a heat transfer medium with a different maximum temperature.
- the fuel gas / combustion air mixture is fed to the burner plate 5 by means of the fan 13, the speed of which can be regulated. In this way, the performance of the gas burner can be varied. Since the burner plate 5 glows during operation, post-ignition takes place continuously, which means that the burner burns very stably.
- the burner output can thus be modulated by intermittent operation.
- the exhaust gas heat exchanger 7 can be designed in any way.
- the passage opening 12 can be designed in the form of several bores. Instead of water, thermal oil or another suitable liquid can also be used as the heat transfer medium.
- the combustion chamber 6 can have an exhaust gas connection for energy-saving use of the waste heat from external gas burners.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
- Heat Treatment Of Articles (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Gas Burners (AREA)
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202004020882U DE202004020882U1 (de) | 2003-09-26 | 2004-09-23 | Temperiergerät für industrielle Wärmeverbraucher |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10345076A DE10345076A1 (de) | 2003-09-26 | 2003-09-26 | Temperiergerät für industrielle Wärmeverbraucher |
PCT/EP2004/010676 WO2005031222A1 (de) | 2003-09-26 | 2004-09-23 | Temperiergerät für industrielle wärmeverbraucher |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1673581A1 true EP1673581A1 (de) | 2006-06-28 |
EP1673581B1 EP1673581B1 (de) | 2011-03-23 |
Family
ID=34353157
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04765535A Not-in-force EP1673581B1 (de) | 2003-09-26 | 2004-09-23 | Temperiergerät für industrielle wärmeverbraucher |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1673581B1 (de) |
AT (1) | ATE503156T1 (de) |
DE (2) | DE10345076A1 (de) |
WO (1) | WO2005031222A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006003479A1 (de) * | 2006-01-25 | 2007-08-02 | Robert Bosch Gmbh | Wärmetauscher |
PL228888B1 (pl) * | 2015-10-26 | 2018-05-30 | Aic Spolka Akcyjna | Opalany wymiennik ciepła |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4651714A (en) * | 1984-10-18 | 1987-03-24 | A. D. Smith Corporation | High efficiency water heater |
DE3701364A1 (de) * | 1987-01-19 | 1988-07-28 | Rudolf Dr Wieser | Flammrohrkessel |
FR2644230A1 (fr) * | 1989-03-07 | 1990-09-14 | Lacaze Sa Julien | Ballon de chauffage d'un liquide, notamment d'eau, et ensemble monobloc de combustion et d'echange de chaleur destine a equiper un tel ballon |
NL193569C (nl) * | 1992-07-09 | 2000-02-02 | Teunis Luigjes | Inrichting voor het verwarmen van een vloeistof. |
US5355841A (en) * | 1993-08-27 | 1994-10-18 | Sabh (U.S.) Water Heater Group, Inc. | Water heater with integral burner |
AT400183B (de) * | 1993-09-24 | 1995-10-25 | Vaillant Gmbh | Verfahren zur minimierung der bildung thermischer stickoxide bei einer verbrennung |
DE19654531C1 (de) * | 1996-11-11 | 1998-05-07 | Johann Kaa | Verfahren und Vorrichtung zum Temperieren von Spritz- und Druckgußformen |
EP0841522A3 (de) * | 1996-11-11 | 2000-01-12 | SOLVIS Solarsysteme GmbH | Speicher mit Wärmeerzeugereinschub |
AU4121699A (en) * | 1998-06-12 | 2000-01-05 | Greiner Verpackungen Gmbh | Device for producing stamped plastic objects |
US6173681B1 (en) * | 1999-12-17 | 2001-01-16 | Michael P. Pope | Liquid feed pre-heater |
-
2003
- 2003-09-26 DE DE10345076A patent/DE10345076A1/de not_active Ceased
-
2004
- 2004-09-23 EP EP04765535A patent/EP1673581B1/de not_active Not-in-force
- 2004-09-23 AT AT04765535T patent/ATE503156T1/de active
- 2004-09-23 DE DE502004012333T patent/DE502004012333D1/de active Active
- 2004-09-23 WO PCT/EP2004/010676 patent/WO2005031222A1/de active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2005031222A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE502004012333D1 (de) | 2011-05-05 |
WO2005031222A1 (de) | 2005-04-07 |
ATE503156T1 (de) | 2011-04-15 |
DE10345076A1 (de) | 2005-04-21 |
EP1673581B1 (de) | 2011-03-23 |
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