HWBOT LN2 Certification Level 3: LN2 Use for overclocking “with others” used in the HWBOT World Tour LN2 workshop

1. LN2 Certification
Level 3: LN2 Use for overclocking “with others”
Prepared
by
Our
Mission
• Evangelize
overclocking
• Convert
enthusiasts
in
to
passionate
overclockers
• Support
the
community
• Further
professionalize
extreme
overclocking
Copyright
HWBOT
2015

2. Disclaimer
HWBOT
or
any
of
its
representaHves
accepts
no
liability
for
the
content
of
this
presentaHon,
or
for
the
consequences
of
any
acHons
taken
on
the
basis
of
the
informaHon
provided.
HWBOT
shall
not
be
liable
for
any
loss
or
damage
of
whatever
nature
(direct,
indirect,
consequenHal,
or
other)
whether
arising
in
contract,
tort
or
otherwise,
which
may
arise
as
a
result
of
the
use
of
(or
inability
to
use)
cryogenic
gases
and/or
liquids
of
any
kind.
This
presentaHon
is
published
for
general
informaHon
purposes.
Any
use
made
of
the
informaHon
in
this
presentaHon
by
the
reader
is
their
sole
responsibility.
These
safety
informaHon
have
been
prepared
by
HWBOT
based
upon
established
industry
safety
standards
and
recognized
resources.
Although
HWBOT
deems
the
data
in
these
documents
accurate,
HWBOT
cannot
be
held
liable
should
their
content
fail
to
meet
the
legal
sHpulaHons
applicable
in
any
jurisdicHons
it
may
be
applied
into.
The
HWBOT
LN2
CerHficaHon
presentaHons
are
subject
to
revision.
Visit
our
website
to
ensure
that
you
have
the
latest
version.
Copyright
HWBOT
2015

3. Course summary
• About
Liquid
Nitrogen
(reminder)
• LN2
for
Overclocking
(reminder)
• LN2
for
Overclocking
with
Others
• Storage
• Work
Space
• Safety
• Use
and
maintain
cryogenic
tanks
• To
go
further
Copyright
HWBOT
2015

4. About Liquid Nitrogen (reminder)
• LN2
=
Liquid
Nitrogen
• Cryogenic
liquid
• Boiling
point
below
-­‐150°C
• Most
used
cryogenics
gases:
nitrogen(LN2)
&
helium(LHe)
• Evaporated,
volume
=
x700
(raHo
1:700)
• Colourless,
Odourless,
Tasteless
• LN2
Temperature:
-­‐196°C
or
-­‐320°F
• Non
flammable,
non
explosive,
non
toxic
Copyright
HWBOT
2015

5. LN2 use for overclocking (reminder)
Order
of
use
with
PPE
Copyright
HWBOT
2015
Tank
/
Ranger
Dewar
Thermal
Flask
Container
opHonal

6. LN2 for overclocking: with others
• Storage
of
the
LN2
• Safe
and
venHlated
area
• If
possible
outdoors
(if
large
quanHHes)
• Keep
area
clean,
Hdy
and
accessible
at
all
Hmes!
• Protect
access
to
the
Tanks
• Tanks
are
heavy!
Make
sure
to
distribute
the
weight
Copyright
HWBOT
2015

7. LN2 for overclocking: with others
• Workspace
recommendaHons
• Keep
your
bench
desk
clean
and
organized
• Clean
drink
and
trash
as
you
go
through
the
session
• Mount
all
you
containers
properly
• Make
sure
the
table
is
stable
• Keep
it
to
your
space,
to
not
invade
others
Copyright
HWBOT
2015

8. LN2 for overclocking: with others
• Safety
• Wear
the
required
PPE
• Follow
the
refilling
procedure
• Be
aware
of
the
local
emergency
number
and
locaHon
procedures.
• Don’t
make
“the
show”
by
spiing
LN2
• Don’t
pour
LN2
on
the
floor
• Alcohol:
Moderate
yourself!
No
drunk
benching.
Copyright
HWBOT
2015

9. Use and maintain cryogenic tanks
Copyright
HWBOT
2015
Source:
Praxair

10. Use and maintain cryogenic tanks
Copyright
HWBOT
2015
Source:
Praxair

11. About cryogenic tanks
• Typical
pressure:
350
PSI
(if
pressurrizes)
• Capacity
80
to
600L
• Build
with
several
safety
measures
to
avoid
pressure
build-­‐
up
• Always
report
a
damaged
tank
• Do
not
operate
if
you
are
not
sure
of
how
it
works
Copyright
HWBOT
2015

12. To go further
AddiHonal
cerHficaHons
courses
available:
• Next
CerHficaHon
Levels
• Level
4:
LN2
for
Overclocking
“public
demonstraHons”
• Train
others
• Be
able
to
train
others
to
the
safe
use
of
LN2
for
overclocking
Copyright
HWBOT
2015

13. Thanks
QuesHons?
Contact
us.
Pieter
Jan-­‐Plaisier
+886
970
726
470
pieter@hwbot.org
Copyright
HWBOT
2015
Timothée
Pineau
xyala@hwbot.org
+886
970
203
741

14. References
• Air
Liquid
Encyclopedia,
Physical
properHes
of
Cryogenics.
Retrieved
on
December
2014
from
hrp://encyclopedia.airliquide.com/help.asp?LanguageID=11
• D.R.
LIDE,
Handbook
of
Chemistry
and
Physics,
88th
Ed,
Editor
CRC
Press,
2007-­‐2008.
• Gas
Encyclopedia,
Air
Liquide,
Editor
Elsevier,
1976.
• Handbook
of
Compressed
Gases,
4th
Ed,
Editor
Kluwer
Academic
Pub,
1999.
• InternaHonal
standards:
Gas
cylinders
-­‐
CompaHbility
of
cylinder
and
valve
materials
with
gas
contents
-­‐-­‐
Part
1:
ISO
11114-­‐1
(May
2012),
Part
2:
ISO
11114-­‐2
(March
2001).
• Linde
Group,
Handling
of
Cryogenic
liquefied
gases.
Retrieved
on
December
2014
from
hrp://www.linde-­‐gas.fr/internet.lg.lg.fra/fr/images/Handling%20of%20cryogenic%20liquefied%20gases201_72930.pdf
• Linde
Group,
Handling
of
Gas
Cylinder.
Retrieved
on
December
2014
from
hrp://www.linde-­‐gas.fr/internet.lg.lg.fra/fr/images/Handling%20of%20Gas%20Cylinders%20at%20and%20aver%20Fire%20or%20Heat%20Exposure201_72931.pdf
• Linde
Group,
Oxygen
deficiency.
Retrieved
December
on
2014
from
hrp://www.linde-­‐gas.fr/internet.lg.lg.fra/fr/images/Oxygen%20deficiency201_72932.pdf
• Linde
Group,
Handling
refrigerated
liquefied
nitrogen
in
transportable
cryogenic
receptacles.
Retrieved
on
December
2014
from
hrp://www.linde-­‐gas.fr/internet.lg.lg.fra/fr/images/Handling%20refrigerated%20liquefied%20nitrogen%20in%20transportable%20cryogenic%20receptables201_72944.pdf
• Mayoclininc.org,
Frostbite:
first
aid.
Retrieved
on
January
2015
from
hrp://www.mayoclinic.org/first-­‐aid/first-­‐aid-­‐frostbite/basics/art-­‐20056653
• Praxair,
Nitrogen
Refrigerated
Liquid.
Retrieved
on
January
2015
from
hrp://www.praxair.com/~/media/North%20America/US/Documents/SDS/Liquid%20Nitrogen%20Medipure%20Gas%20N2%20Safety%20Data%20Sheet%20SDS%20P4630.pdf
• The
university
of
Auckland,
Safe
storage
of
liquid
nitrogen.
Retrieved
on
February
2015
from
hrps://cdn.auckland.ac.nz/assets/science/for/current-­‐students/HR/health-­‐safety-­‐wellness/documents/SMOU%2021%20Safe%20Storage%20of%20Liquid%20Nitrogen
%20(2)%20(2).pdf
• The
University
of
Auckland,
Cryogenic
Liquids.
Retrieved
on
February
2015
form
hrps://cdn.auckland.ac.nz/assets/science/for/current-­‐students/HR/health-­‐safety-­‐wellness/documents/SMOU18-­‐Cryogenic%20Liquids.pdf
• The
University
of
Auckland,
Safety
guidelines
for
cryogenic
materials.
Retrieved
on
February
2015
from
hrps://cdn.auckland.ac.nz/assets/science/for/current-­‐students/HR/health-­‐safety-­‐wellness/documents/cryogenic_materials_guide.doc
• Web
Health
Center,
Different
Kinds
of
Asphyxia.
Retrieved
on
January
2015
from
hrp://www.webhealthcentre.com/HealthyLiving/first_aid_drown.aspx
Copyright
HWBOT
2015