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Sleet Wheat farming


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Cant really find anything useful on this. As water temperature now fully effects the hydroponic tiles, I am wondering if anyone found a good solution to mass produce sleet wheat for 30-50 dupes.

I made a setup to make 10 Celsius water from geyser water using 6 aqua-tuners in sequence (to reduce power usage). It is working well for bristle berries of course but for sleet wheat I need 0-5 Celsius water, which needs extreme precision. Aqua tuners cant be tuned (sadly) to reduce less than 14 Celsius, which ends up becoming a problem for me.

If you could share your success stories on the matter that would be appreciated. :)

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The standard method would be to pump your water into a buffer trough and set up a radiator system that is regulated by a thermometer or 2. I solved it using a more elaborate method which I can share when I get back to my computer if you like.

35 minutes ago, MorsDux said:

Sorry, I didnt mention that I would welcome a real solution that doesnt include yet-not-fixed bugs abuse :)

Amen.

I do have a solution, but it involves a huge power drain.

First rule to understand is that you MUST cool the water down before input. No way around that. Given  you are eventually working off geyser water, it'll mean a big struggle.

I tend to use my own water cooling plant:

 

However, you do end up  with having to use 2 of these plants.as geyser water will heat up. Each thermo aquatuner takes out 14°C out of the heat. You need to keep a close eye to the water temperature. You want to get the water cooled down to as close as 5°C without actually freezing it.

However, that alone is not enough. Due the water's high mass you'll eventually stiffle your plants anyhow because of the small margin you have. What I did to counteract that is actively seek out an etropy device, dig out the surrounding and build my farm around it, including temp shift plates. I also had to throw in several wheeze worts to get the farm on stable growth. I will provide pictures of that later.

11 minutes ago, turbonl64 said:

You want to get the water cooled down to as close as 5°C without actually freezing it.

My water treatment plant gets around this issue by just letting it freeze, using the ice as coolant and having pump suck it up as it melts, putting the water out at a reliable 1 Celsius.

22 minutes ago, JonnyMonroe said:

The standard method would be to pump your water into a buffer trough and set up a radiator system that is regulated by a thermometer or 2. I solved it using a more elaborate method which I can share when I get back to my computer if you like.

I would love that thanks!

4 minutes ago, JonnyMonroe said:

My water treatment plant gets around this issue by just letting it freeze, using the ice as coolant and having pump suck it up as it melts, putting the water out at a reliable 1 Celsius.

Genious!

I was going to say "lots and lots of wheezeworts" using a passive system akin to the one below...

... but then I did the math. A single wheezewort in hydrogen can cool approximately 18 kg of water per cycle from 100 degrees C to 5 degrees C. A single sleet wheat consumes 20 kg per cycle. So... wheezeworts are out.

A thermo nullifier is the equivilent of around 14 wheezeworts, so even using all three of those, you're never going to get yourself a massive farm that is thermally neutral.

So you'd need to come up with a thermally-positive solution, putting the heat into something else via aquatuner and then using or disposing of that heat. I'm afraid I don't have a solution for that. Will need to start looking into it...

You need a lot of energy and a good heat sink. There is no non-exploity way around aquatuning the heat out into heat deletion contraptions.

Don't cool down to 5C - this requires relatively complex designs. Instead provide some different method of cooling. For example, pipes with very cold hydrogen or petroleum in the farm background. If the cooling is good enough, you can use 15C water and still not overheat.

It is important to note that plants are not directly affected by the water you're feeding them. The farm is heated up by the water, then it heats up the air, then the air heats up the plant. You can minimize heat exchange with water by using CO2 and thermoplates that do NOT touch the farm.

My setup uses aqua tuners to cool geyser water down by 84 degrees, and dumps heat into polluted water. The steam generated is cooled to 95 degrees again using oil raditors and used up. The created dirt is picked up by auto sweepers.

20180210131145_1.thumb.jpg.dd102151fe63a18d457a145b07cc1827.jpg20180210131137_1.thumb.jpg.93d7e0a6cfd06889de3b71bd41b68861.jpgThe resulting cool water is around 2,000 kgs worth of water at around 11 Celsius. I will try JonnyMonroe's self regulating radiator cooling method, Im unsure the 2 nullifiers and 14 wheezewarts will be enough to cool this amount to 1-5 Celsius. We will see.

 

20180210124250_1.thumb.jpg.53586ecd7a55f1b12999e510d8bf2f19.jpg20180210124437_1.thumb.jpg.687762a61d3815d88e669a65acf989b2.jpg20180210124411_1.thumb.jpg.7b70a5e5462255c50a6b1896cfefcfa5.jpg

 

 

20 minutes ago, Coolthulhu said:

You need a lot of energy and a good heat sink. There is no non-exploity way around aquatuning the heat out into heat deletion contraptions.

Don't cool down to 5C - this requires relatively complex designs. Instead provide some different method of cooling. For example, pipes with very cold hydrogen or petroleum in the farm background. If the cooling is good enough, you can use 15C water and still not overheat.

It is important to note that plants are not directly affected by the water you're feeding them. The farm is heated up by the water, then it heats up the air, then the air heats up the plant. You can minimize heat exchange with water by using CO2 and thermoplates that do NOT touch the farm.

Can you post a working farm like that? I would love to see!

This is how I'm providing cold water:

 

image.thumb.png.b23e9dca3c245b97f79eb97b2be64d76.png

 

Ice is created at the nullifier by dripping cold water. It's then swept up by the arm and placed in those compactors. The heat from the aquatuners melts it and as it flows out the pumps scoop it up to send to the farm.This is part of my larger water treatment plant that also boils polluted water, condenses the steam and feeds that hot water back through itself in order to provide 2 water outlets for the colony - one around 20 degrees for gristle plants and general use, one at 1 degree for sleet wheat.

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