DEVICE FOR HEATING A FLUID

• US 20120308217A1
• Filed: 01/11/2011
• Published: 12/06/2012
• Est. Priority Date: 01/11/2010
• Status: Abandoned Application

• Current Assignee: Johann Wiedlroither
• Original Assignee: Johann Wiedlroither
• Inventors: Wiedlroither, Johann
• Application Number:
  US13/521,259
• Publication Number:
  US 20120308217A1
• Time in Patent Office: Days
• US Class Current: 392/485
• CPC Class Codes: F24D 2200/08 Electric heater
• CPC Class Codes: F24H 1/106 with electrodes
• CPC Class Codes: F24H 1/225 electrical central heating boilers
• CPC Class Codes: H05B 3/60 Heating arrangements wherein the heating current flows through granular powdered or fluid material, e.g. for salt-bath furnace, electrolytic heating H05B3/38 takes precedence

Abstract

The invention relates to a device (1) for heating a fluid (9), with a housing (2) comprising a housing shell (3), a housing base (4) and a housing cover (5), with at least one inlet opening (11) and at least one outlet opening (13) for the fluid (9), and at least two electrodes are disposed in the housing (2) at a distance (25) apart from one another, which are each electrically conductively connected to a pole of at least one pulse generator (20). The pulse generator (20) is configured to emit variable voltage pulses.

Claims

1. Device (1) for heating a fluid (9), with a housing (2) comprising a housing shell (3), a housing base (4) and a housing cover (5), with at least one inlet opening (11) and at least one outlet opening (13) for the fluid (9), and at least two electrodes, in particular at least one anode (14) and at least one cathode (15), are disposed in the housing (2) at a distance (25) apart from one another, which are each electrically conductively connected to a pole of at least one pulse generator (20), wherein the pulse generator (20) is configured to emit variable voltage pulses.

2. Device (1) according to claim 1, wherein the pulse generator (20) generates voltage pulses with an amplitude selected from a range with a lower limit of 330 V and an upper limit of 1500 V.

3. Device (1) according to claim 1, wherein the pulse generator (20) comprises a random number generator.

4. Device (1) according to claim 1, wherein the pulse generator (20) generates voltage pulses with a steep rising flank of at least 25 V/μ

s.

5. Device (1) according to claim 1, wherein the pulse generator (20) generates rectangular voltage pulses.

6. Device (1) according to claim 1, wherein the pulse generator (20) emits voltage pulses at a pulse frequency selected from a range with a lower limit of 20 Hz and an upper limit of 20 kHz.

7. Device (1) according to claim 1, wherein the pulse generator (20) emits voltage pulses with a pulse duration selected from a range with a lower limit of 2 ns and an upper limit of 10 μ

s.

8. Device (1) according to claim 1, wherein the pulse generator (20) generates voltage pulses with a pulse pause selected from a range with a lower limit of 2 μ

s and an upper limit of 20 μ

s.

9. Device (1) according to claim 8, wherein the pulse generator (20) is configured to generate variable pulse pauses.

10. Device (1) according to claim 1, wherein one other electrode (38 or 39), preferably at least two other electrodes (38, 39) is or are provided in the reaction chamber (12), which are electrically conductively connected to a power source (40).

11. Device (1) according to claim 10, wherein the other electrode (38 or 39) or the at least two other electrodes (38, 39) is/are made from a material selected from a group comprising Pd, Pt, Ti, Rh, Au, Ag, Ni, Cu, Ir, Fe, V, Nb, Ta and their alloys.

12. Device (1) according to claim 10, wherein the other electrode (38 or 39) or at least one of the two other electrodes (38, 39) is/are disposed in the region of one of the at least two electrodes, in particular the anode (14) or the cathode (15).

13. Device (1) according to claim 10, wherein a distance (41) between the at least two other electrodes (38, 39) is at least 10% of the length of a reaction chamber (12) defined by the housing (2).

14. Device (1) according to claim 10, wherein the other electrode (38 or 39) or the at least two other electrodes (38, 39) are of a bar-shaped design with a diameter (42) of at most 30% of the smallest dimension of at least one of the at least two electrodes, in particular the at least one cathode.

15. Device (1) according to claim 10, wherein the power source (40) for the other electrode (38 or 39) or the at least two other electrodes (38, 39) is a constant voltage source.

16. Device (1) according to claim 10, wherein the other electrode (38 or 39) or the at least two other electrodes (38, 39) are activated in an electrolyte bath with voltage pulses with an amplitude selected from a range of from 5 V to 50 V (direct current) and a pulse duration selected from a range of 1 μ

s to 10 μ

s at a current intensity selected from a range with a lower limit of 2000 A and an upper limit of 8000 A.

17. Device (1) according to claim 1, wherein the housing (2) contains water with an electrolyte.

18. Device (1) according to claim 17, wherein the electrolyte contains water glass (Na₂SiO₃), at least one lye, in particular KOH, distilled or de-ionized water, and optionally Na₂SO₃ and/or K₂SO₄.

19. Device (1) according to claim 10, wherein the at least two other electrodes (38, 39) are disposed in the direction of a longitudinal extension (10) of the housing (2) and coaxially with one another in the housing (2).

20. Device (1) according to claim 1, wherein at least one of the electrodes, in particular the anode (14), is of a basket-shaped design.

21. Device (1) according to claim 20, wherein at least one of the least two electrodes is disposed at least partially inside the basket-shaped electrode, in particular the at least one cathode (15) is disposed at least partially inside the basket-shaped anode (14).

22. Device (1) according to claim 1, wherein the distance (25) between the at least two electrodes, in particular between the cathode (15) and the anode (14), is at least 5 mm.

23. Device (1) according to claim 1, wherein the housing shell (3) is cylindrical in shape.

24. Device (1) according to claim 1, wherein at least one of the least two electrodes is or are disposed in the housing (2) so as to be relatively displaceable towards the other electrode, in particular the anode (14) is displaceable relative to the cathode (15) and/or the cathode (15) is displaceable relative to the anode (14).

25. Device (1) according to claim 1, wherein at least one laser (43) is disposed in the reaction chamber (12).

26. Device (1) according to claim 25, wherein the laser (43) emits light at a frequency selected from a range with a lower limit of 300 THz and an upper limit of 550 THz.

27. Device (1) according to claim 25, wherein the laser (43) is connected to a device for generating an intermittently occurring light.

28. Device (1) according to claim 27, wherein the laser (43) emits light pulses and a pulse duration is selected from a range with a lower limit of 20 μ

s and an upper limit of 100 μ

s.

29. Device (1) according to claim 1, wherein the pulse generator (20) has a regulating and/or control module or is connected to a regulating and control device.

30. Heating system (31) comprising at least one device for conveying a first fluid (9), at least one device (1) for heating of the fluid (9), at least one heat exchanger in which the heat generated by the fluid (9) is transmitted to another fluid, wherein the at least one device (1) for heating a fluid (9) is as defined according to claim 1.

31. Heating system (31) according to claim 30, wherein the heat exchanger is provided in the form of a radiator (32).

32. Use of the device (1) for heating a fluid (9) according to claim 1 to heat a building.