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SPOM with Gas shutoff + Ele sensor


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You don't need to use them.  You can use the properties of the gas itself.  The red is hydrogen, the blue is oxygen.  The top pump only gets hydrogen, so no filter is needed.  Use atmo sensors to turn the top pump on at around 600.  If you have a clear path of oxygen, the other two pumps will run continually. 

Spoiler

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Priming is easy and its perfectly stable once primed.  Start by running all pumps until there's a vaccuum (prevents an issue with CO2 or other heavy gas).  Then turn off the pumps and turn on the electrolyzers.  Set the side pumps to "over 1000" and run it until the top area is just hydrogen.  You will probably get some hydrogen out your oxygen pumps while its priming, but generally its not a big problem.  Once the top area is all hydrogen,set the top pump to "over 600" and you're golden.

Here's a SPOM that also includes oxygen cooling, which is a separate circuit that provides cool water for the oxygen to run through. I prefer this method as it is fully accessible when needed, and easy to prime. 

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The two separate halves of this setup can be run separately. The left side I use to pump oxygen through the cool water reservoir in the center, cooling it for use in the base. The hydrogen pump in the top middle can pump to a hydrogen storage or generators. The right side can be ignored, or use it for hot oxygen for exosuits. Both oxygen atmo sensors are set to 800g/m3, and the hydrogen atmo sensors set to 1000g/m3.

The middle cool water reservoir is not part of the SPOM, as it requires more energy than the hydrogen generators would provide. It requires the liquid pump and an aquatuner sinking heat into a pool of polluted water. It's worth the extra energy, as it's easy air conditioning for the home base. Use radiant pipes of wolframite in the cool water for best effect.

3 minutes ago, crypticorb said:

Here's a SPOM that also includes oxygen cooling, which is a separate circuit that provides cool water for the oxygen to run through. I prefer this method as it is fully accessible when needed, and easy to prime. 

SPOM2.thumb.png.9c77d6037e592cc1ba211c04ccf012ce.png

The two separate halves of this setup can be run separately. The left side I use to pump oxygen through the cool water reservoir in the center, cooling it for use in the base. The hydrogen pump in the top middle can pump to a hydrogen storage or generators. The right side can be ignored, or use it for hot oxygen for exosuits. Both oxygen atmo sensors are set to 800g/m3, and the hydrogen atmo sensors set to 1000g/m3.

The middle cool water reservoir is not part of the SPOM, as it requires more energy than the hydrogen generators would provide. It requires the liquid pump and an aquatuner sinking heat into a pool of polluted water. It's worth the extra energy, as it's easy air conditioning for the home base. Use radiant pipes of wolframite in the cool water for best effect.

Can this be done with a AETN in the middle instead?

1 minute ago, jfc said:

Can this be done with a AETN in the middle instead?

Sure can. If you have one conveniently close, go for it. Just use radiant gas pipes, hydrogen filling the AETN room, and tempshift plates.

Be aware that this might get TOO cold, as AETNs aren't as easy to precision control temperature as water cooling. Place a mechanized airlock under the AETN and use automation to open the door when it gets cold enough, to "shut off" the AETN.

 

Just now, thejams said:

@crypticorb How do you prevent oxygen of getting into the hydrogen pumping chamber when you prime or do you have a filter on the hydrogen line?

Oxygen naturally floats down, hydrogen floats up. Once constructed, lock the doors to the hydrogen section as in the picture, and let it run for a cycle with the hydrogen line pumping out into wherever, or filter it. After the room pressurizes with 1000g/m3 of hydrogen from the electrolyzers running normally, it will never have oxygen in there, ever. The oxygen simply cannot float higher than the hydrogen, and will never pass over the ledge through that airflow tile into the hydrogen room.

2 minutes ago, thejams said:

I know that... :)

I was asking during priming.

That is the priming, letting natural separation do its thing. Assuming the whole SPOM starts with random gasses like CO2 and polluted oxygen, you'd connect the hydrogen output to the oxygen output line, and simply... wait. It'll do it's thing naturally, with all the crap gasses getting pumped out with the oxygen, and the hydrogen chamber filling with pure hydrogen.

Sensor based SPOM with aquatuner:

 

Spoiler

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How it works:

1. Gas separation sensor

2. Oxygen overpressure protection sensor

3. Hydrogen overpressure protection sensor

4. Aquatuner termal sensor

Overpressure automatically shuts off the power.

System startup: set aquatuner termal sensor one degree higher than water temperature in radiator room. Wait until the gas tank is full. One tank is enough to reduce the temperature by 5С. Change termal sensor value. Wait for result. Repeat.

Weezewort optinal.

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