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| Tel: +1 908 500 7500 | Stephen R. Parker, Sales Engineer |
| Flemington, New Jersey | hitemp@thermcat.net |
| Skype: Thermcat |
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HTT Conversion catalytic Oxidizers
Well we have finally
done it. We have
the first conversion recuperative catalytic oxidizer that can operate
with either gas or electric as the heating source. Some of out
customers have rental units of both electric and gas fired systems.
Wouldn't it be great if you could stock the core unit and then mount
either a gas burner or an electric heating unit in 30 Minutes? Now you
can.
TYPICAL
HTT
GAS/ELECTRIC
CATOX SYSTEM
HTT shall supply one Fume Incineration
System. The system shall use a gas burner or electric heaters to raise
the temperature of the exhaust gases to the required operating
temperature. This will assure maximum destruction of the VOC in the
exhaust gas. The system shall be packaged complete with an integral
preheat exchanger, Inconel sheath low watt density heating elements or
gas burner, precious metal ceramic type catalyst module, refractory
lined processing chamber, and the field installed stack.
CATOX
SYSTEM
CHAMBER
The Catox System
shall be constructed of 304 stainless steel (Note: We use 316 L for HCl
solvent applications) and insulated with a combination of Ceramic Fiber
and high temperature insulating materials. The refractory shall be
installed with SS anchors to maintain integrity. The lower chamber
shall be constructed of carbon steel and coated with an acid resistant
epoxy coating.
CATALYST BED
Catalyst shall be supplied in
modular sections in separate frames. The frames will be complete with
mounting flanges and gaskets. The frames will bolt directly to a SS
support grid inside the chamber of the retention zone. The EZ-Bolt
Catalyst modules may be easily accessed for ease of removal and
maintenance.
PREHEAT EXCHANGER
The system shall include an integral
preheat exchanger for raising the temperature of the exhaust gases
prior to entering the firing chamber. The exchanger shall be a shell
and tube type unit manufactured using easy clean 1 in alloy tubes.
ELECTRIC HEATING SYSTEM (E OPTION)The system shall include a process air electric heater for raising the temperature of the gases to operating temp as required. System shall be complete with an Incalloy sheathed tubular heater rated at 10-20 watts/sq. in, mounted on a stainless flange with a weather-proof terminal housing, and screw type terminals.
The system is available with a packaged
gas fired burner, for raising the temperature of the gases to operating
temperature as required. System shall be complete with flame
safety, controls and safeties. A motorized modulating gas valve will
regulate the burner output using digital controllers. Burner train
components are supplied loose for field installation. Customer
shall supply gas regulator.
HEATING SYSTEM CONVERION
The top of the system
contains a flanged connection for mounting the electric or gas heating
system. Select the heat source and bolt either the burner or the
electric elements to this flange. Each heat source comes with its own
panel which is mounted to the system base. Connect the thermocouples to
the panel, you are finished. Removal and reinstallation takes less than
1 hour. It is sometimes faster to replace a troublesome component or
panel with a new one than to spend time
field troubleshooting.
ID BLOWER
(IDB Option)
The system shall include one (1)
dilution air blower for maintaining minimal air ratio and for
controlling chamber temperature. The blower shall include a control
damper and modulating actuator.
FLAME
ARRESTER (FA Option)
The system shall include one (1) flame
arrester to prevent the gases and flame from backing up the supply
duct.
DATA
LOGGING (DL Option)
Package may include an optional Data
Logging system as manufactured by HOBO and may be model H12-002 for a
single channel type K TC. Other recorders shall are available that will
accept T/C, MA, or DC inputs for required sensors.
DILUTION
AIR CONTROL TEE (T Option)
The system shall include one (1) waste
gas diverting tee for closing off the stack during operation or for
closing off the waste gas to the oxidizer when the system is not
operational. Package shall include a spring return actuator that will
divert up the stack during a power failure.
CONTROL
OPERATION
The operator shall start and stop the
system from the main panel or from remote inputs. Startup shall prove
the blower, start burner, prove set temperature, and signal to start
fume injection. Blower pressure and the customer safety limits must be
proven prior to burner ignition. Component failures will shut down
system and alert the operator. Indicator lights will display fault.
The system shall be designed to operate
with a variable waste gas input. Natural gas will be controlled to
maintain a preset temperature. The system will be able to self regulate
the fuel input to both maintain temperature and adjust conditions to
match the flow of the waste gas stream.
CONTROLS
The package shall include one (1)
Hoffman Nema 4 control panel, for remote control and monitoring. The
system shall maintain a preset temperature utilizing a type K T/C and
4-20 ma digital controllers. The system shall be monitored with
Honeywell DC-3000 temperature controllers for system operation located
in the main panel. All controls and safeties are operated from this
panel. The controller will modulate the heat input to maintain
temperature. Contacts will be provided for remote start and stop,
pressure limit switch, and for motor starter coil. PLC operation is
optional.
ELECTRIC CATALYTIC SYSTEM
DESIGN DATA
Calc. Heat Input: 0% LEL 7.5 15 24 37,5 75 112 KW3% LEL 4 8 16 20 40 60 KW
Heating Element Rating 12 24 36 60 120 180 KWDestruction Eff: 99 99 99 99 99 99 %Preheat Eff: 70 70 70 70 70 70 %Catalyst Volume: 0.5 0.5 1.0 1.5 2 3 Cu. Ft.DELIVERY: Shall be 6-8 weeks after the receipt of a valid purchase order, progress payments, and all required approvals. INSTALLATION:
Installation will require running utilities to unit from source. We
suggest the gas train, supply duct, and main panel are located indoors,
we will provide these components loose prior to shipment of the main
unit to be installed prior to delivery of main units.
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