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Liquid Nitrogen Burst Systems
LN2 Burst Effects take advantage of the
concentrated, extreme cold of LN2 to create small weather systems
around each Burst nozzle. As LN2 is sprayed from the nozzle, it
vaporizes and drives humidity in the surrounding air below dew
point. When the dew point threshold is crossed, the humidity
condenses into tiny droplets. These droplets are the fog and it is
created in just the same way as clouds are created: humidity driven
below dew point condenses into fog. Once the fog increases in
temperature and the droplets evaporate, the fog disappears leaving
nothing behind. The fog is white and takes the color or any
reflected light, it has no odor or negative health effect and leaves
no residue in the air. It is water condensed in the air to create a
brief, visual punctuation to events or performances.
Larger Sample System Riser (shown above) in pdf format
Main
Solenoid Assembly
The
Main Solenoid Assembly (MSA) makes it easier and safer to use
Liquid Nitrogen (LN2) for special effects and industrial
applications. The entire mechanism is enclosed in a 16”x20” NEMA 1
box for easy wall mounting. All openings are gasketted or grometted
to minimize any moisture accumulation.
The assembly includes a
solenoid to control LN2 flow from supply into the effects system,
self-sealing, mechanical, pressure relief valves (PRVs) to protect
both supply and effects sides from overpressure conditions and a
pressure sensor to detect under-pressure conditions so that all
effects equipment operates within a suitable, safe pressure range.
PRVs are tapped to receive NPT fittings so that waste gas can be
piped away to a remote location.
Integrated pipe clamps allow
Penguin PipeTM or vacuum-jacketed hose to be
connected securely to the enclosure. All air access to the
closed-cell foam insulation are sealed to create an effective vapor
barrier. Foam materials are extended to minimize “cold creep”. Since
some special effects require that a minimum pressure be maintained,
an integrated pressure sensor constantly monitors system pressure
notifying the system if pressure falls so that safe operations can
be maintained.
Fog
Capsule™
The Fog CapsuleTM consists of a
cryogenic solenoid enclosed in protective foam insulation for easy
and safe installation of LN2 Burst effects. The inner foam jacket is
wrapped in a PVC insulating shell and all seams are sealed to
provide a suitable vapor barrier.
The Fog
CapsuleTM is mounted in a Solenoid Mounting Bracket
with integrated pipe clamps for secure delivery of LN2 to the
solenoid. LN2 is delivered to the Capsule using JIC fittings for
easy assembly. Effects nozzles are inserted into a standard threaded
receptacle, which can also accommodate ball joint accessories for
fine focusing of Burst Effects. All exposed joints in the LN2 system
can be insulated upon system assembly to minimize frost
accumulation.
Cloud
Controller II™
The Interesting Products Cloud Controller
IITM is designed for the safe control of LN2 Burst
Effects. The controller is designed for 120VAC/ 60Hz or 220VAC/ 50Hz
operation. It offers manual and automated DMX triggering options
while providing key-lock security, positive manual main solenoid
control, clear system status information and low-pressure interlock.
Two cables connect the Cloud Controller IITM to a
Main Solenoid Assembly and one cable connects to each Fog
CapsuleTM. Front-panel thumb switches allow for
convenient DMX address selection for easy set-up. Ready lights show
system power and system ready
(main Solenoid on and sufficient
system pressure).
The controller can directly address up to
six Burst Effects and multiple controllers can be chained together
to control larger effects systems. The Cloud Controller
IITM offers a number of features focused on the safe
and efficient operation of liquid nitrogen (LN2) Burst
Effects
Penguin
PipeTM
Penguin PipeTM is a double walled
stainless steel pipe specifically manufactured for the distribution
of cryogenic (very cold) liquids. The inner stainless pipe is
insulated from its outer jacket by a high vacuum and special
wrappings to curtail both convection and radiant heat transmission.
All of our Penguin PipeTM systems maintain a
static vacuum and do not require ongoing vacuum pumping.
Sections are usually assembled with vacuum-insulated bayonet
connectors. VIP systems can be costly but their extreme efficiency
justifies the expense for long term or permanent systems.
All of our Penguin
PipeTM systems are modular and include vacuum ports
on each section for ongoing maintenance. We can assist with VIP
system designs and supervise installation on site as each job
requires.
Vacuum-Insulated Hose
Our
Vacuum-Insulated Hose is double-walled, stainless
steel, highly insulated hose designed for distributing cryogenic
liquids for effects applications. Because effects systems move
during their normal operations or must be constantly disassembled
and reassembled on tour, hose systems are frequently the best choice
for LN2 effects systems. Hoses can be provided in a variety of
diameters and lengths. Our hose is extremely flexible with a bend
radius of 13".
Please contact us with your
application requirements since Penguin PipeTM and
vacuum-insulated hose system design can require additional
engineering consideration.
Dry Fogger® Machines and
Fog Distribution Equipment
Sample
System Riser in pdf format
 Dry Fogger®
Portable
This single-output Dry Fogger® is suitable for ground
fog, small fog curtains, or small multiple-output fog systems.
Standard features include automatic water feed and temperature
control, adjustable LN2 flow control and selectable remote control
voltages. Digital temperature control available. Available for a
variety of voltages. Call for Availability.
Dry Fogger® Mammoth II
 The Newly
redesigned Dry Fogger® is suitable for large scale ground
fog, fog curtains, or multiple-output fog systems. It can easily be
ganged with other Dry Foggers to create larger effects. Standard
features include automatic water feed and digital temperature
control, adjustable LN2 flow control, system status Readback and
selectable remote control voltages. Available for a variety of
voltages.
Fog Diverter™ and Diverter
Controller
These are
remote control devices used to automatically purge steam from fog
systems and to distribute fog from Dry Foggers® to multiple effects locations.
Diverters can be powered by waste nitrogen gas or compressed air and
are triggered by 24VDC analog signals, line voltage of 120VAC or
240VAC or DMX-512.
Fog
Manifold™
These curtain manifold
sections are designed to accept fog from Dry Foggers every 10’ (~3m)
and convert it into a long uniform fog curtain. The Fog
Manifold™ is manufactured in
10’ sections with five adjustable fog nozzles integrated into its
length. Fog Manifolds™ are
designed to work with either Dry Fogger® Portable or Dry
Fogger® Mammoth machines depending on the length and height of
curtain desired. If properly shielded from wind and air currents
these curtains can be used for projections and to cover
entrances.
Air
Injector™
These air flow control devices attach to the ends of
Interesting Product’s Fog Manifolds™ and between sections of Manifold. Air
Injectors™ increase the rate
of fog flow within the manifold. This dries the fog, avoids
accumulation of moisture and assists in creating a uniform curtain
of fog across the Fog Manifold’s™ length. Air Injectors™
can also be used in ground fog systems to increase fog volume
and shorten fog lifespan.
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