In order to supply the system with adequate/constant power, I am using a Jumbo Battery and a Power Transformer connected as shown above. However, you will see when the system first starts that the hydrogen gas supply is not 100% constant, so the generator will be turning on and off intermittently – inadequate for our system to function, because it needs continuous power. If you do the numbers, the Hydrogen Generator (which uses 100g/s of Hydrogen to produce 800W of electricity) in theory can comfortably power all items in the electrical system and, in average, it kind of does. The electrical system for the electrolyzer room is also relatively simple, and is shown below: Fortunately, you don’t need to go crazy in the frozen biome: a simple loop (as shown below) will cool the oxygen down to something reasonable, and you can expand that loop later on as needed. If you pump hot oxygen into your base, it will get very hot soon and you will have a bunch of issues associated with that. The reason why the oxygen needs to be routed first thru a frozen biome, is because it comes out of the Electrolyzer at 70C. Whereas, if you connect one gas output to the other, and from there out to the mains, the output blocks don’t allow two simultaneous gas flows to combine, hence the output of one gas filter can block the other one. This is because gas ducts allow two simultaneous gas flows to combine into one. When you first build it, the room will likely have other gases in (like Carbon Dioxide), which are not a big deal if they later get pumped to your base, but can otherwise damage the generator.Īlso note that the filter outputs are connected to a gas duct, then meet somewhere and turn into a single pipe. The reason why I am filtering hydrogen and not oxygen is because if any other gas (than hydrogen) is pumped to the Hydrogen Generator, the machine will be damaged. The oxygen output will be passed thru a frozen biome before is routed to the base. The output of each pump is plumbed to a gas filter, the filtered gas set to hydrogen (which will be used for power generation), and the rest of the gas is assumed to be oxygen (which in the steady state, will be). The design is straight-forward: in a tiny, sealed room, you have one electrolyzer and two gas pumps. Now that we understand the basic principles, we can go ahead with the room design, which is shown in the picture below: Other designs do use two gas pumps, but intend one of them to be the “oxygen pump” and the other to be the “hydrogen pump”, and you can see from the numbers above that a single pump (500g/s) is not enough to remove all the oxygen produced (888g/s).Īnd what happens when you don’t remove all the gas around the electrolyzer? The excess gas will accumulate inside the room, increasing the gas pressure, until the electrolyzer eventually stops working with the “Max Pressure Reached” message and depending on the room design, this can happen more or less often, downing the electrolyzer for a great part of the cycle. Some designs use only one gas pump which can’t pump out all the gas that the electrolyzer produces. So, if your electrolyzer produces 1000g/s of gas, you will need at least two gas pumps to remove it: 1000g/s of gas come in, 1000g/s of gas come out, simple as that.Ī lot of designs ignore this basic principle and that’s why they can't maximize the electrolyzer utilization. The second principle to consider is that a single gas pump can only pump 500g/s of gas. There’s a basic principle of the elctrolyzer that is important to understand in order to figure out how it works: namely, that, provided with power and water, it will produce 888g/s of Oxygen and 112g/s of Hydrogen, or:Ĩ88g/s Oxygen + 112g/s Hydrogen = 1000g/s (1kg/s) of TOTAL gas If you already figured out the water supply, you can skip that section. My water system is also simple, but uses some automation. This guide also provides a solution to supplies the electrolyzer with clean, germ-free water, made from polluted water (which is abundant in the map). The purpose of this guide is to present a straight-forward electrolyzer room design, built with early/mid game items, that uses no automation, and that will reliably produce oxygen for your base. You may have tried one or several of them with some (or no) success, and maybe wonder why your electrolyzer is not producing enough oxygen when maybe it should. There are many electrolyzer designs out there, with all kind of exotic features. However, as you may have realized right now, the electrolyzer requires a lot more planning than the Oxygen Diffuser and the Algae Terrarium, and getting an electrolyzer system that works can be tricky. The Electrolyzer becomes then the main option to reliably produce oxygen and keep your base going. Depending on your colony size, sooner or later oxygen production will become a problem as you burn thru your last reserves of algae and slime.
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