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How To Make Liquid Nitrogen (Out of Thin Air)


what’s up guys welcome back to the king

what’s up guys welcome back to the king of random kitchen you guys have been

of random kitchen you guys have been

of random kitchen you guys have been asking for it you guys have been waiting

asking for it you guys have been waiting

asking for it you guys have been waiting for it so in today’s episode I’m finally

for it so in today’s episode I’m finally

for it so in today’s episode I’m finally doing it I’m teaching you how to make

doing it I’m teaching you how to make

doing it I’m teaching you how to make liquid nitrogen

liquid nitrogen

liquid nitrogen I’ve been really hesitant to put out a

I’ve been really hesitant to put out a

I’ve been really hesitant to put out a video on how I make liquid nitrogen

video on how I make liquid nitrogen

video on how I make liquid nitrogen because honestly my setup isn’t very

because honestly my setup isn’t very

because honestly my setup isn’t very professional it’s all jury-rigged

professional it’s all jury-rigged

professional it’s all jury-rigged together and it doesn’t look great but

together and it doesn’t look great but

together and it doesn’t look great but it does work well I’m starting to

it does work well I’m starting to

it does work well I’m starting to realize you guys don’t really care what

realize you guys don’t really care what

realize you guys don’t really care what it looks like you’re more interested in

it looks like you’re more interested in

it looks like you’re more interested in how its functions so that’s what we’re

how its functions so that’s what we’re

how its functions so that’s what we’re getting into today now if you go outside

getting into today now if you go outside

getting into today now if you go outside and take a deep breath you’re filling

and take a deep breath you’re filling

and take a deep breath you’re filling your lungs with about 20% oxygen 79%

your lungs with about 20% oxygen 79%

your lungs with about 20% oxygen 79% nitrogen and 1% other gases now the

nitrogen and 1% other gases now the

nitrogen and 1% other gases now the first step in making liquid nitrogen is

first step in making liquid nitrogen is

first step in making liquid nitrogen is just to take the regular atmosphere and

just to take the regular atmosphere and

just to take the regular atmosphere and compress it into some kind of a

compress it into some kind of a

compress it into some kind of a container that can hold it under

container that can hold it under

container that can hold it under pressure

pressure

pressure once it’s under pressure we can pass it

once it’s under pressure we can pass it

once it’s under pressure we can pass it through a nitrogen membrane which will

through a nitrogen membrane which will

through a nitrogen membrane which will separate the oxygen and the other gases

separate the oxygen and the other gases

separate the oxygen and the other gases leaving pure nitrogen gas behind but

leaving pure nitrogen gas behind but

leaving pure nitrogen gas behind but there’s one other problem the nitrogen

there’s one other problem the nitrogen

there’s one other problem the nitrogen might have some moisture associated with

might have some moisture associated with

might have some moisture associated with it and we don’t want any moisture so the

it and we don’t want any moisture so the

it and we don’t want any moisture so the next step is to pass that gas through

next step is to pass that gas through

next step is to pass that gas through some kind of mechanism that dries it out

some kind of mechanism that dries it out

some kind of mechanism that dries it out now in one of the secret compartments of

now in one of the secret compartments of

now in one of the secret compartments of my room I have this nitrogen generator

my room I have this nitrogen generator

my room I have this nitrogen generator that does all that for me and I really

that does all that for me and I really

that does all that for me and I really have to give credit where credit’s due

have to give credit where credit’s due

have to give credit where credit’s due to my friend Chris Roberts who really

to my friend Chris Roberts who really

to my friend Chris Roberts who really made all this possible he’s the one that

made all this possible he’s the one that

made all this possible he’s the one that located all the items he sourced all the

located all the items he sourced all the

located all the items he sourced all the equipment he helped put it all together

equipment he helped put it all together

equipment he helped put it all together and he helped it get to the functioning

and he helped it get to the functioning

and he helped it get to the functioning state that it is today now once we’ve

state that it is today now once we’ve

state that it is today now once we’ve got the clean dry nitrogen gas we need a

got the clean dry nitrogen gas we need a

got the clean dry nitrogen gas we need a place to store it

place to store it

place to store it my friend Chris went down to Harbor

my friend Chris went down to Harbor

my friend Chris went down to Harbor Freight and pick up a little tank for

Freight and pick up a little tank for

Freight and pick up a little tank for about 20 bucks that we use to store that

about 20 bucks that we use to store that

about 20 bucks that we use to store that nitrogen gas under pressure and we added

nitrogen gas under pressure and we added

nitrogen gas under pressure and we added a little regulator so we can turn a knob

a little regulator so we can turn a knob

a little regulator so we can turn a knob and regulate how much gas flows out and

and regulate how much gas flows out and

and regulate how much gas flows out and now it might seem a little bit too

now it might seem a little bit too

now it might seem a little bit too simple but that’s half the battle in

simple but that’s half the battle in

simple but that’s half the battle in making liquid nitrogen

making liquid nitrogen

making liquid nitrogen once we’ve got dry nitrogen seeping out

once we’ve got dry nitrogen seeping out

once we’ve got dry nitrogen seeping out at about 1 psi all we have to do is get

at about 1 psi all we have to do is get

at about 1 psi all we have to do is get it cold enough that it liquefies and

it cold enough that it liquefies and

it cold enough that it liquefies and this is where we bring in the helium

this is where we bring in the helium

this is where we bring in the helium compressor now helium compressor unit is

compressor now helium compressor unit is

compressor now helium compressor unit is basically just a glorified air

basically just a glorified air

basically just a glorified air conditioning unit the whole purpose of

conditioning unit the whole purpose of

conditioning unit the whole purpose of this existence is to get colder than the

this existence is to get colder than the

this existence is to get colder than the boiling point of nitrogen now helium has

boiling point of nitrogen now helium has

boiling point of nitrogen now helium has a boiling point around minus 452 degrees

a boiling point around minus 452 degrees

a boiling point around minus 452 degrees Fahrenheit which is way below the

Fahrenheit which is way below the

Fahrenheit which is way below the boiling point of liquid nitrogen

boiling point of liquid nitrogen

boiling point of liquid nitrogen I think it’s Boyle’s law that says if

I think it’s Boyle’s law that says if

I think it’s Boyle’s law that says if you take a gas and compress it and then

you take a gas and compress it and then

you take a gas and compress it and then let it cool back down if you rapidly

let it cool back down if you rapidly

let it cool back down if you rapidly expand it that gas will get very very

expand it that gas will get very very

expand it that gas will get very very cold and because we’re using helium we

cold and because we’re using helium we

cold and because we’re using helium we can compress it cool that gas down and

can compress it cool that gas down and

can compress it cool that gas down and rapidly expand it to a temperature

rapidly expand it to a temperature

rapidly expand it to a temperature that’s lower than the boiling point of

that’s lower than the boiling point of

that’s lower than the boiling point of liquid night

liquid night

liquid night so now that you’ve got the basic concept

so now that you’ve got the basic concept

so now that you’ve got the basic concept let me explain in a little bit more

let me explain in a little bit more

let me explain in a little bit more detail how a helium compressor works

detail how a helium compressor works

detail how a helium compressor works it’s charged up with helium gas in a

it’s charged up with helium gas in a

it’s charged up with helium gas in a closed-loop system the helium gas is

closed-loop system the helium gas is

closed-loop system the helium gas is compressed where it keeps up

compressed where it keeps up

compressed where it keeps up tremendously and we need some kind of a

tremendously and we need some kind of a

tremendously and we need some kind of a system to cool it down which I’ll talk

system to cool it down which I’ll talk

system to cool it down which I’ll talk about in just a minute but once it is

about in just a minute but once it is

about in just a minute but once it is cooled down it can travel to the cryo

cooled down it can travel to the cryo

cooled down it can travel to the cryo head where it’s rapidly expanded and

head where it’s rapidly expanded and

head where it’s rapidly expanded and cooled down to a temperature lower than

cooled down to a temperature lower than

cooled down to a temperature lower than the boiling point of nitrogen so what

the boiling point of nitrogen so what

the boiling point of nitrogen so what would happen if we had a surface that

would happen if we had a surface that

would happen if we had a surface that was colder than the boiling point of

was colder than the boiling point of

was colder than the boiling point of liquid nitrogen and we had a small vapor

liquid nitrogen and we had a small vapor

liquid nitrogen and we had a small vapor of nitrogen gas blowing at it that’s

of nitrogen gas blowing at it that’s

of nitrogen gas blowing at it that’s right it’s going to condense and is

right it’s going to condense and is

right it’s going to condense and is going to form small droplets and drip

going to form small droplets and drip

going to form small droplets and drip down to ground now if we’re able to

down to ground now if we’re able to

down to ground now if we’re able to catch those droplets into some kind of a

catch those droplets into some kind of a

catch those droplets into some kind of a glorified thermos a Dewar if you will

glorified thermos a Dewar if you will

glorified thermos a Dewar if you will then theoretically over time those

then theoretically over time those

then theoretically over time those droplets would add up and produce

droplets would add up and produce

droplets would add up and produce bucketfuls of liquid nitrogen and that’s

bucketfuls of liquid nitrogen and that’s

bucketfuls of liquid nitrogen and that’s it guys that is exactly how we make

it guys that is exactly how we make

it guys that is exactly how we make liquid nitrogen hey guys just stepping

liquid nitrogen hey guys just stepping

liquid nitrogen hey guys just stepping out here for a minute because this is

out here for a minute because this is

out here for a minute because this is real life you know what else is real

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[Laughter] all right guys time is up back to the

all right guys time is up back to the

all right guys time is up back to the video I’ll be back up for a second and

video I’ll be back up for a second and

video I’ll be back up for a second and just talk about the cooling system we

just talk about the cooling system we

just talk about the cooling system we used for the Gila

used for the Gila

used for the Gila compressor which is pretty cool because

compressor which is pretty cool because

compressor which is pretty cool because it’s just jury-rigged out a

it’s just jury-rigged out a

it’s just jury-rigged out a three-component my friend Chris and I

three-component my friend Chris and I

three-component my friend Chris and I start out by building a housing for the

start out by building a housing for the

start out by building a housing for the furnace blower and the radiator so we

furnace blower and the radiator so we

furnace blower and the radiator so we could suck in tremendous amounts of air

could suck in tremendous amounts of air

could suck in tremendous amounts of air and blow it through the radiator and

and blow it through the radiator and

and blow it through the radiator and cool down all the liquid inside next we

cool down all the liquid inside next we

cool down all the liquid inside next we ran some poly hoses from the radiator

ran some poly hoses from the radiator

ran some poly hoses from the radiator all the way back to the helium

all the way back to the helium

all the way back to the helium compressor where it runs through a heat

compressor where it runs through a heat

compressor where it runs through a heat exchanger where it soaks in all the heat

exchanger where it soaks in all the heat

exchanger where it soaks in all the heat from the compressed helium runs it back

from the compressed helium runs it back

from the compressed helium runs it back to the radiator and cools down once

to the radiator and cools down once

to the radiator and cools down once again and this whole system is powered

again and this whole system is powered

again and this whole system is powered by a sump pump that I got from Home

by a sump pump that I got from Home

by a sump pump that I got from Home Depot for about 20 bucks I just built it

Depot for about 20 bucks I just built it

Depot for about 20 bucks I just built it so it sits inside of a little bucket

so it sits inside of a little bucket

so it sits inside of a little bucket inside of a bigger bucket that way if

inside of a bigger bucket that way if

inside of a bigger bucket that way if any water splashes out it’s not going to

any water splashes out it’s not going to

any water splashes out it’s not going to damage our electronics now the sump pump

damage our electronics now the sump pump

damage our electronics now the sump pump runs on normal house power about 120 AC

runs on normal house power about 120 AC

runs on normal house power about 120 AC but the nitrogen generator and the

but the nitrogen generator and the

but the nitrogen generator and the helium compressor run on 240 and by now

helium compressor run on 240 and by now

helium compressor run on 240 and by now I know you’ve probably got two questions

I know you’ve probably got two questions

I know you’ve probably got two questions on your mind how much energy does

on your mind how much energy does

on your mind how much energy does actually use and how much nitrogen gets

actually use and how much nitrogen gets

actually use and how much nitrogen gets generated cats are the first question I

generated cats are the first question I

generated cats are the first question I don’t really know how much power it uses

don’t really know how much power it uses

don’t really know how much power it uses but it’s not enough to make a difference

but it’s not enough to make a difference

but it’s not enough to make a difference in our monthly electric bill and answer

in our monthly electric bill and answer

in our monthly electric bill and answer the second question how long does it

the second question how long does it

the second question how long does it take to make well to make 30 litres

take to make well to make 30 litres

take to make well to make 30 litres which fills up my Dewar it takes about

which fills up my Dewar it takes about

which fills up my Dewar it takes about three weeks remember guys we not only

three weeks remember guys we not only

three weeks remember guys we not only have to get the Dewar cold enough where

have to get the Dewar cold enough where

have to get the Dewar cold enough where it can hold liquid nitrogen without

it can hold liquid nitrogen without

it can hold liquid nitrogen without evaporating but then we have to fill it

evaporating but then we have to fill it

evaporating but then we have to fill it the rest of the way up by drip by drip

the rest of the way up by drip by drip

the rest of the way up by drip by drip and that takes a really long time so

and that takes a really long time so

and that takes a really long time so where do you find all this equipment

where do you find all this equipment

where do you find all this equipment well honestly we found it on Amazon eBay

well honestly we found it on Amazon eBay

well honestly we found it on Amazon eBay and we found it at university surplus

and we found it at university surplus

and we found it at university surplus and as long as you can find a nitrogen

and as long as you can find a nitrogen

and as long as you can find a nitrogen compressor with a nitrogen membrane a

compressor with a nitrogen membrane a

compressor with a nitrogen membrane a helium compressor a cryo head and Jimmy

helium compressor a cryo head and Jimmy

helium compressor a cryo head and Jimmy rig your own liquid cooling system you

rig your own liquid cooling system you

rig your own liquid cooling system you could probably make one of these for

could probably make one of these for

could probably make one of these for yourself but as my friend nurdrage says

yourself but as my friend nurdrage says

yourself but as my friend nurdrage says I’m going to have to crush your

I’m going to have to crush your

I’m going to have to crush your expectations because even jury-rigging

expectations because even jury-rigging

expectations because even jury-rigging it together yourself it’s still going to

it together yourself it’s still going to

it together yourself it’s still going to cost you a lot of money I’ve got about a

cost you a lot of money I’ve got about a

cost you a lot of money I’ve got about a thousand maybe $1,300 and see unit I’ve

thousand maybe $1,300 and see unit I’ve

thousand maybe $1,300 and see unit I’ve got here so when we draw it out like

got here so when we draw it out like

got here so when we draw it out like this it kind of looks like a complicated

this it kind of looks like a complicated

this it kind of looks like a complicated system and there are a lot of moving

system and there are a lot of moving

system and there are a lot of moving parts but what it comes down to our two

parts but what it comes down to our two

parts but what it comes down to our two main essentials dry nitrogen gas meeting

main essentials dry nitrogen gas meeting

main essentials dry nitrogen gas meeting a very cold surface the nitrogen

a very cold surface the nitrogen

a very cold surface the nitrogen condenses gets liquefied and then gets

condenses gets liquefied and then gets

condenses gets liquefied and then gets captured into some kind of a container

captured into some kind of a container

captured into some kind of a container that can keep it nice and cold and

that can keep it nice and cold and

that can keep it nice and cold and that’s it that’s the basics of making

that’s it that’s the basics of making

that’s it that’s the basics of making liquid nitrogen in a nutshell so there

liquid nitrogen in a nutshell so there

liquid nitrogen in a nutshell so there you have a guy’s mystery solved you now

you have a guy’s mystery solved you now

you have a guy’s mystery solved you now know how to make liquid nitrogen by

know how to make liquid nitrogen by

know how to make liquid nitrogen by pulling nitrogen right out of the air

pulling nitrogen right out of the air

pulling nitrogen right out of the air and getting it so cold that it liquefied

and getting it so cold that it liquefied

and getting it so cold that it liquefied hey thanks for joining me for this video

hey thanks for joining me for this video

hey thanks for joining me for this video I’ll be looking for you the next one

I’ll be looking for you the next one

I’ll be looking for you the next one talk to you then liquid nitrogen due to

talk to you then liquid nitrogen due to

talk to you then liquid nitrogen due to paper shiny and wet just like a liquid

paper shiny and wet just like a liquid

paper shiny and wet just like a liquid now our paper is really really cold

now our paper is really really cold

now our paper is really really cold [Music]

”

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