Презентация проекта HHO v 1

1.

HHO-GENERATOR
Brown Gas - Technical Project Documentation
Goal: 1 g hydrogen per day | 13.2 V / 5 A | 66 W
Radiator + fan | Full safety system
Matvey V. | 2026-09-19

2.

Contents
1. Goal and key parameters
2. Electrochemistry and electrolyte
3. Electrodes and housing
4. Thermal balance and cooling
5. Safety system
6. Electrical scheme (summary)
7. Gas scheme (summary)
8. Documentation set
9. Critical dimensions and tolerances
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3.

1. Key parameters
Parameter
Value
Note
Current / Voltage
5 A / 13.2 V
CC mode
Power
66 W
UxI
Runtime
8.18 h/day
1 g H2
HHO volume (STP)
16.68 L
Dry gas
Electrolyte
KOH 30%, 1.2 L
Level ~106 mm
Electrodes
7 x 316L 100x100x1
Gap 4 mm
Housing
Ø120/130 x 180 mm
PC, t=5 mm
Cooling
100x100x20 + 80 mm
Under body
Heat output
23.1 W
Rth <= 1.51 K/W
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4.

2. Electrochemistry and electrolyte
Electrochemistry
Electrolyte KOH
- n(H2) = 0.4960 mol
- Concentration: 30% mass
- Q_theor = 26.59 Ah
- Density: 1.29 g/ml
- Q_fact (eta=65%) = 40.91 Ah
- Molarity: 6.90 mol/L
- I = 5 A -> t = 8.18 h
- sigma ~ 0.62 S/cm
- V(H2) = 11.12 L
- Volume: 1.2 L
- V(O2) = 5.56 L
- Level: ~106 mm from bottom
- V(HHO) = 16.68 L
- Gap to plates: >=6 mm
HHO-generator | Matvey V. | 2026-09-19
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5.

3. Electrodes and housing
Element
Parameter
Value
Electrodes
Material
316L (non-magnetic)
Electrodes
Count / cells
7 plates / 6 cells
Electrodes
Size / thickness
100x100x1 mm
Electrodes
Gap
4 mm
Electrodes
Current density
0.05 A/cm2
Housing
D inner / outer
120 / 130 mm
Housing
Height inner
180 mm
Housing
Wall thickness
5 mm (PC)
Lid
Thickness / bolts
8 mm / M6 x 8 pcs
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6.

4. Thermal balance and cooling
Without cooling Delta T ~ 158 K -> electrolyte boils.
Heat rejection is mandatory. P_heat = 23.1 W. Required Rth <= 1.51 K/W.
Element
Value
Note
Radiator
100 x 100 x 20 mm
Aluminum, under body
Fan
80 mm, 12 V, 0.1 A
Bottom airflow
Heat path
Thermal paste / circulation
Bottom -> radiator
T max electrolyte
60 C
DS18B20 cuts off
HHO-generator | Matvey V. | 2026-09-19
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7.

5. Safety system (mandatory)
Water seal ~0.5 L
Seal level sensor
Flashback arrest
Dry-run cut-off
Check valve
Radiator + fan
Prevent gas/alkali return
Reject 23.1 W
Relief valve 5 kPa
NC relay + E-stop
Pressure relief on lid
Fail-safe logic
DS18B20
Fuses 1 A / 7 A
Cut-off at 60 C
AC / DC
Electrolyte level sensor
PE ground + PPE
Low level cut-off
Mandatory
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8.

6. Electrical scheme (key circuits)
Circuit
Description
DC power
PSU 13.2 V -> F2 (7 A) -> Relay COM -> NC -> Anode
Cathode
Cathode -> PSU 0 V (common)
Fan
+13.2 V (after F2) -> fan 12 V / 0.1 A
Arduino
5 V supply, DS18B20 on D2, relay on D3
Protection
E-stop NC breaks relay coil, DS18B20 -> 60 C
Level sensors
Floats -> Arduino digital inputs
Ground
PE -> PSU chassis and electrolyzer
HHO-generator | Matvey V. | 2026-09-19
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7. Gas line
Electrolyzer -> Check valve -> Dryer -> Water seal -> Rotameter -> Shut-off valve -> Consumer
> Hose - silicone only, ID 8 mm
> Check valve - mandatory
> Dryer - molecular sieve preferred
> Water seal ~0.5 L + level sensor
> Rotameter 0-1 L/h (HHO calibrated)
> Clamps on every joint
> Leak test with soap solution
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8. Documentation set
- HHO_Technical_calculation.docx - full calculation
- HHO_BOM.docx + HHO_FULL_TABLES.xlsx - materials and tables
- HHO_Assembly_instructions.docx - step-by-step build
- Drawings and schemes (PNG) - orthographic + gas + electrical
- Photo concept - 4 views with radiator and sensors
- HHO_PROJECT_SUMMARY.md + HHO_Album.pdf
- This PPTX presentation
All files synchronized as of 2026-09-19
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