EP0115452B1 - Anlage zur Bereitung einer heissen Flüssigkeit durch Wärmerückgewinnung einer Kühlanlage - Google Patents
Anlage zur Bereitung einer heissen Flüssigkeit durch Wärmerückgewinnung einer Kühlanlage Download PDFInfo
- Publication number
- EP0115452B1 EP0115452B1 EP84400037A EP84400037A EP0115452B1 EP 0115452 B1 EP0115452 B1 EP 0115452B1 EP 84400037 A EP84400037 A EP 84400037A EP 84400037 A EP84400037 A EP 84400037A EP 0115452 B1 EP0115452 B1 EP 0115452B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- liquid
- heated
- refrigerant
- heating station
- exchanger
- 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
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D17/00—Domestic hot-water supply systems
- F24D17/02—Domestic hot-water supply systems using heat pumps
Definitions
- the invention relates to an installation for producing a fluid, such as in particular water, which is heated by recovering at least the superheating heat from the vapor of a refrigerant before it returns to the condenser of a refrigeration system.
- a fluid such as in particular water
- the heat is extracted from the products by means of the refrigerant which, by vaporizing at low temperature in an evaporator, absorbs the heat available in the enclosure housing the cooled products and the evaporator .
- the refrigerant is then, by a compressor, brought to a relatively high pressure ensuring its circulation and incidentally its preheating, after which, the compressed gas obtained is brought to a condenser in which, by condensation, the refrigerant is returned to the at least part of its heat to a cooling agent such as air.
- the refrigerant returns from the gaseous state to the liquid state and it can then, after passing through a pressure reducer, be brought back to the evaporator for a new circuit.
- the installation must also be able to respond quickly to a very significant need for hot water and in all cases to provide quality water and in particular protected from any contamination by the refrigerant even in the event of failure such as a leak of his circuit.
- a result which the invention aims to obtain is an installation which makes it possible to replenish the tank without modifying the temperature of the water already stored and ready to distribute, so that, during its flow to the installation consuming it, it has thermal characteristics which, during said flow, can only evolve positively and this up to an extreme threshold corresponding to the temperature of the intermediate fluid.
- Another result which the invention aims to obtain is an installation which, without affecting the operation of the refrigerating installation, makes it possible to respond quickly to a very significant need for hot water and to provide in all hypotheses quality water and in particular protected from any contamination by the refrigerant.
- the installation serves at least one equipment 1 consuming hot water, such as a scalding tank, and at least one equipment 2 for producing cold, such as a refrigeration cabinet, by evaporation of a refrigerant in an evaporator 3.
- equipment 1 consuming hot water
- equipment 2 for producing cold such as a refrigeration cabinet
- the vapors are conducted by a pipe 4 to a compressor 5 which carries them at relatively high pressure.
- the compressed gas is, by a pipe 6, brought to a condenser 7 in which, by condensation, it returns at least part of its heat to a cooling agent 8 such as air.
- the refrigerant From the gaseous state, the refrigerant returns to the liquid state and a line 9 then leads it to a pressure reducer 10 before, via a line 11, it returns to the evaporator 3 for a new circuit.
- Each exchanger 13,14 enters an enclosure 17, 18 which is filled with a certain volume of an intermediate fluid 19, 20, such as water, which in closed circuit, is set in motion so that only after having passed through the exchanger 13, 14, traversed by the refrigerant vapors, this intermediate fluid can pass through a secondary exchanger 21, 22 which, for this purpose, also enters the aforementioned enclosure 17, 18 and which, for its part, is traversed by the fluid to be heated, such, in the example shown, the water which will feed the scalding tank 1.
- an intermediate fluid 19, 20 such as water, which in closed circuit
- the intermediate fluid can be set in motion by natural convection or by a circulation pump 23 interposed in a circuit 24 for the return of the secondary exchanger 21.
- the main exchanger 13 (FIG. 2) is advantageously composed of several elements 25 each housed at the bottom of one of the cells 26 which the enclosure 17 has for this purpose. At the entrance to each of the cells 26, under the control solenoid valves, the intermediate fluid is distributed between the only elements 25 in which the refrigerant vapor is at sufficient temperature.
- the enclosure has walls 27 capable of grouping the intermediate fluid of the various cells to lead it to the inlet of a compartment 28 housing the secondary exchanger 21. It is at the outlet of this compartment 28 that the return line 24 housing the circulation pump is connected.
- the quantity of intermediate fluid circulating through this main exchanger will preferably be relatively high rence and for example of about one thousand two hundred liters to provide good thermal inertia which places both the water and the refrigerant away from sudden variations in temperature.
- the annex exchanger 14 (FIG. 3) also includes several elements 29 arranged near the base of the enclosure 18.
- the intermediate fluid 20 tends to rise by natural convection to the top of the enclosure which has a shape, for example substantially in a heap of stones, capable of causing the movement of the intermediate fluid 20 to accelerate.
- this intermediate fluid falls behind lateral partitions 30 that said enclosure presents for this purpose.
- the quantity of intermediate fluid flowing through this annex exchanger 14 will be for example from six hundred to seven hundred liters.
- the heated water is, by a pipe 32, led to a tank 43, for example of twenty thousand liters, at the outlet of which a pipe 33 leads to a network 34 distributing water under the control of solenoid valves 35.
- the entire installation is connected to a water source, such as a distribution network, by a pipe 36 also controlled in particular by solenoid valves 37 and means 38 for regulating the pressure.
- a water source such as a distribution network
- This inlet pipe 36 is connected to one end of the secondary exchanger 22 of the preheating station 18, the other end of which is itself connected by a pipe 39, to the inlet of the secondary exchanger 21 of the main station of heating.
- the preheating station can be short-circuited by a pipe 40 controlled by a three-way motorized valve 41 controlled by a temperature probe 42 immersed in the intermediate fluid 20 of the preheating station 18.
- the tank is divided into compartments 48, 49, 50 by partitions 51, 52 leaving only a narrow passage 53, 54 between the adjoining compartments.
- the inlet and outlet of the fluid are located opposite one another, one at the bottom, the other at the top of the tank to create a baffle.
- a probe 55, 56, 57 for measuring the temperature is immersed.
- the closed circuit could of course, instead of a clock, be obtained by action on a manual control in particular if it is difficult to predict the time of end of the use of the scalding tank.
- This closed circuit will cause the circulation pump to start only with a delay of fifteen to thirty minutes.
- the installation In the closed circuit position, the installation will be controlled by a differential regulator: information on the temperature will be taken at the inlet of the secondary exchanger and at the storage tank; the two items of information will be compared and the circulation pump stopped if the temperature of the storage tank is greater than or equal to that of the main heating station.
- the regulator will not restore the operating order to the pump unless the temperature of the storage tank becomes lower than that of the main heating station.
- the installation can be operated in the same way as for the evening.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
- Sorption Type Refrigeration Machines (AREA)
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT84400037T ATE27653T1 (de) | 1983-01-26 | 1984-01-09 | Anlage zur bereitung einer heissen fluessigkeit durch waermerueckgewinnung einer kuehlanlage. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8301499A FR2539853B1 (fr) | 1983-01-26 | 1983-01-26 | Installation de production d'un fluide chauffe par recuperation des calories d'un frigorigene |
FR8301499 | 1983-01-26 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0115452A2 EP0115452A2 (de) | 1984-08-08 |
EP0115452A3 EP0115452A3 (en) | 1984-08-22 |
EP0115452B1 true EP0115452B1 (de) | 1987-06-03 |
Family
ID=9285462
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP84400037A Expired EP0115452B1 (de) | 1983-01-26 | 1984-01-09 | Anlage zur Bereitung einer heissen Flüssigkeit durch Wärmerückgewinnung einer Kühlanlage |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0115452B1 (de) |
AT (1) | ATE27653T1 (de) |
DE (1) | DE3464092D1 (de) |
FR (1) | FR2539853B1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001022011A1 (en) * | 1999-09-24 | 2001-03-29 | Peter Forrest Thompson | Heat pump fluid heating system |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2453170B (en) * | 2007-09-28 | 2012-07-25 | Arctic Circle Ltd | A refrigeration system which includes apparatus for heating water by using heat from the refrigeration system |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH379093A (it) * | 1960-09-28 | 1964-06-30 | Conrotto Domenico | Scalda acqua ad accumulo, atto ad impedire il miscelamento dell'acqua fredda con quella calda |
FR2472149A1 (fr) * | 1979-12-18 | 1981-06-26 | Licentia Gmbh | Appareil combine de refrigeration et de chauffage |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4041726A (en) * | 1976-03-29 | 1977-08-16 | Paul Mueller Company | Hot water system |
CH632080A5 (en) * | 1978-05-18 | 1982-09-15 | Hugo Ledermann | Heat pump installation |
US4321797A (en) * | 1978-10-06 | 1982-03-30 | Air & Refrigeration Corp. | Quick connector and shut-off valve assembly for heat recovery system |
AT367168B (de) * | 1980-01-18 | 1982-06-11 | Rosenauer Martin | Waermepumpenanlage, insbesondere waermerueckgewinnungsanlage |
IT1144132B (it) * | 1981-03-03 | 1986-10-29 | Indesit | Armadio frigorifero funzionante an che come scalda acqua |
-
1983
- 1983-01-26 FR FR8301499A patent/FR2539853B1/fr not_active Expired
-
1984
- 1984-01-09 DE DE8484400037T patent/DE3464092D1/de not_active Expired
- 1984-01-09 EP EP84400037A patent/EP0115452B1/de not_active Expired
- 1984-01-09 AT AT84400037T patent/ATE27653T1/de not_active IP Right Cessation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH379093A (it) * | 1960-09-28 | 1964-06-30 | Conrotto Domenico | Scalda acqua ad accumulo, atto ad impedire il miscelamento dell'acqua fredda con quella calda |
FR2472149A1 (fr) * | 1979-12-18 | 1981-06-26 | Licentia Gmbh | Appareil combine de refrigeration et de chauffage |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001022011A1 (en) * | 1999-09-24 | 2001-03-29 | Peter Forrest Thompson | Heat pump fluid heating system |
Also Published As
Publication number | Publication date |
---|---|
EP0115452A3 (en) | 1984-08-22 |
FR2539853B1 (fr) | 1985-08-02 |
EP0115452A2 (de) | 1984-08-08 |
DE3464092D1 (en) | 1987-07-09 |
FR2539853A1 (fr) | 1984-07-27 |
ATE27653T1 (de) | 1987-06-15 |
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