Topic: Why so few immersion cooled custom builds/Mods? (Read 5393 times)

It might very well be that it works, however it is impossible to tell if all the plastics used in all the components of a pcb are suited. That is the whole point and problem with immersion cooling - if it is your own hardware, you can surely just take the risk, otherwise things get complicated.
Novecs 3M is no different in this regard..

If you read the specs on the Clearco fluids you will see they CAN be used with many silicon rubbers. Just need to verify it with the components used. The only silicon rubber component would be seals on large caps and I have already verified with a >6mo soak in ST50 that it does not harm the seals.

Mineral oil is proven to embrittle nylon and PVC wiring so that is right out of the picture. Now GRC may use a mineral-based fluid but that is a vastly different thing than generic mineral oil as found in a drug store.

Silicone oil might not be a good idea for parts using silicone in them... Might be perfect for a transformer, but problematic for electronics.
Nobody will give you a certificate that all is well with his product.
This guys seem to know what they are doing: https://www.grcooling.com/ and it is said to be mineral oil.

Any new information on immersion cooling products?

Provided the correct thermal fluids were used (ones that do not attack rubber/plastic), of course. If you were using Novec it will simply evaporate. Fluids like those from Clearco will need to be rinsed off using alcohol.  In either case the miners will be pristine and probably a bit cleaner than when new.

Can you actually sell/re-use components used in immersion cooled builds once you take them out of the fluid?

Hey OP sorry to threadjack but is there a thread  you know of that points out the typical components that do go bad?  Is it visible?

Gotta say, of all the pluses #6 is the most compelling! 

It was google translator But anyway thank you

Quoted so the pictures can be seen.
I must say that either you have a very good translator or your English is quite good. In fact better than many native English-speaking members here...

Hello. I want to present you equipment for liquid cooling of any kind of chips for mining, such as video cards, ASIC, etc.









 
The production of boxes for cooling (5 kW) has been set up, possibly an increase to 50 kW. The price for boxing will remain about the same. Only the price of liquid will increase. Successfully tested on Panda miners.
 
The container consists of a board tank, an internal heat exchanger, a level sensor, an integrated "cold trap" for trapping liquid vapor. The overall dimensions of the container will be refined after receiving the data on the cards.
The liquid (Novec 649 3M) does not conduct electricity and does not adversely affect the boards.
The boiling point of the liquid is 49 degrees. This means that the temperature on the chips will always be about 60.

The quantity of liquid is the calculated parameter. The cost of the liquid is 1300 euros.

Pluses:
1. No any noise
2. No dust
3. High fire safety (liquid used in fire-extinguishing systems)
4. There is no harmful effect on the chips
5. Overheating protection (turns off on power)
6. Looks cool

Disadvantages:
Equipment can be more expensive than air ventilation

***
The case of the box is made of aluminum. It consists of two parts - a container with a liquid and a lid with heat exchangers. The container is sealed, but not under pressure. Power / interface inputs are implemented in different ways depending on the power and required interfaces.
 
Price per box = $ 4200
The liquid must be ordered separately, the amount of liquid is the calculated parameter, so I do not indicate the price, 10 liters 1300 euros.

The product is made to order, the manufacturing time is approximately 2 months (imported liquid, the terms are large because of the fact that it will be necessary to order bp of China).
Delivery to your country is discussed separately.
 
Cooling the box is possible in two ways
1. Connect to a cold water source. For 5 kW, the required amount of water is 5 liters per minute
2. Connects to a dry cooling tower. The cooling tower must be ordered separately. The cost is approximately. The cost of the cooling tower is about 3500-4000 $
===========

Calculation of the price of equipment at 50 kW (very approximate)

1. The box is $ 4200. The container consists of a board tank, an internal heat exchanger, a level sensor, an integrated "cold trap" for trapping 3M liquid vapor. The overall dimensions of the container will be refined after receiving the data on the cards. The specification for capacity and drawings will be provided to the customer for approval.
2. Water Novec 649 - 5000 $. This is an imported product, so the cost can change. We will order the necessary quantity of liquid from the 3M dealer and provide the documents for payment. The standard term is 52 working days.
3a. Dry cooling tower with control unit. 8140 $. We buy this equipment in St. Petersburg.
3b. Instead of a dry cooling tower, you can connect the box to a source of cold water. This can be a point of economy.

The cost of installation and delivery of equipment is not yet clear. It depends on the country and requires discussion.

I apologize for the mistakes, my English level is not very good yet. Thank you for attention.

P.S. Also I can answer you in Telegram. My account ID is @lokoroko

Good reason to bump this.
Nothing wrong with Novec aside from price and the design precautions needed to use it. Perfect for commercial operations.

As for 3M not selling it to you: The fluid is designed for industrial use and as with most industrial chemicals/fluids I do not know of ANY manufacturer that will sell them to a non-commercial entity. When it is a business purchasing systems or fluids like that then there is some relief from lawsuits arising from improper use or large spills and their cleanup costs. Pretty safe bet home owners insurance will not cover you if/when something happens...

I wanted to do a small set up in my home with one S9 antminer in like a fish tank and a basic fan on radiator set up but I wanted to ask since you all seem to know lots which has been quite helpful! Is immersion cooling effective like a fan? And is it safe to run 24-7? I just don't wanna have loud fans so immersion cooling seems to get rid of those, just wanted to know if it was really affective or if it still runs the risk of burning the chip and capacitors. Cheers guys!

I did end up discussing an install with a couple of their techs.  The reason they are hesitant about doing residential installs is mainly just the price.  Their systems are made to be huge for data centers, so if you have only a single immersion tank in your garage, you're spending a ton of money on a cooling tower, heat exchanger, and pumps that are made to cool several immersion tanks.

Was just poking around the Forum and had further thoughts on this:
GRCooling's reticence on doing a residential installation is probably due to liability concerns over systems using many gallons of industrial fluid. For one, odds are fire and zoning laws for urban residential areas may well forbid it. Another being spill response and waste disposal. How many home owners would know how to handle it correctly?

I know for a fact Clearco who make the thermal fluid I referred to above will not sell to a non-commercial entity. When it is a business purchasing systems or fluids like that then there is some relief from lawsuits arising from improper use or large spills and their cleanup costs. Pretty safe bet home owners insurance will not cover you if/when something happens...

Yes.  That was for a refurbished unit without shipping or installation considered.  Any rich sponsors out there?

Including the outdoor dry cooler? How many ton is it good for with say a desired miner fluid temp of 140F (60C) and a worst case hot outdoor temp of 110F (43.3C).

$30k is a decent ballpark, possibly sorta low.

I was finally able to speak with them.  Their systems start at $30,000.  Not sure I can justify the purchase, but it would be awesome for mining...

Whats wrong with Novec? I tried back in the day to buy Novec 7100 from 3M, but they wouldnt sell it to me!
I was planning a small scale immersion project.

hi!!
nice to hear this topic again..
at the beginning i was fascinated about this kind of solution...
With the same power consumption you can push S9 frequency to the limit...
but then i have stopped all my project when i'm not been able to find a valid Novec fluid alternative...
here you can find a lot of data avout this fluids data:
http://www.3m.com/3M/en_US/novec/products/product-catalog/?N=8708160&rt=r3

last time i have checked the price, was at 125eur for 500ml and 215eur for 1Lt..
too much expensive...