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Selas Duradiant ⑧K9208 Burner
A State-of-the-A門
burner for petrochemical
processing with thefollowing benefits:• No ceramic burner
blocks or ceramic sleeves
Easy furnace wallmounting• Burner servicina
without furnace shutdown
Quick, trouble-fr飽
ignition• Nozzle mixing to permit
a wide turndown range• Low nitrogen oxide
emissions• Fuel flexibility・圃selas⑮

τhe Heat Technolog曹Compan曹

this burner because the flat
flame pattern allows heat tobe quickly and efficiently
transferred to the processingtubes.
The Duradiant
The growing us of fiberK9208v rtexburner
insulation in petro・ n zz’e is designed f rche 『n ical furnaces has th r ugh fuel blending.
The vortex action is devel­
created an industry
opdby high pressure jets
demand for burners that fire
tangentially within anspe�ially designed to alloy ring. Draft induced
ease installation, lower combustion air combines
installed costs, and with the gas and, whenignited, forms a whirlingprovide increased burner flame
along the flat wall of thelife. The Selas Duradiant furnace. Ignition is easier,K9208 vortex burner, and rapid heat transfer fromdesigned for use with the flame to the process
to reduce the level offiber insulation, meets all helps
nitrogen oxides.
of these needs.
The DuradiantK9208v rtexburner
accepts many kinds f
The Duradiantfuels.
K9208v rtexburner
A wide range of gaseous
needs n ceramic
fuels, from hydrogen tobl cks r sleeves.
ethane , can be burned in theThe K9208
Duradiant K9208 without
K9208Technical Features
vortex burnerchanging the fuel gas orifice.
Capacity: At a fi 「l 「1 g rate ofNOx Emission: The burner
replaces themix1,250,000 Btu/hr with natural has a remarkably low
ceramic burner Because it is a nozzle’block, common burner, backfire can t occur, gas (based on its higher
emission of nit 「ogen oxides.
and turndown is limited only heating value), the同9208
on burners
The emission varies withby the control system.
requires a furnace draft of 0.2 excess air, furnace temperadesigned for brick-lined
The K9208 vortex burnerinches wate 仁 Under similarture. and certain otherfurnaces. with a stainless
can also be used with brick- conditions. the smaller K9308 process variables but issteel tube that is easily
lined furnaces, and can beinserted through a hole cut
typically less than 50 ppmv.
burner has a capacity ofadapted to either draft-fed O 「 720 ,000 Btu/hr. A typical fuelApplications: Selasin the fiber insulation. The
pressure would be 20 psig.
Duradiant vortex burners areburner assembly is mounted forced air configurations.
to the furnace wall, making
At higher drafts or with forced used in processes for ethylThe Duradiantene, vinyl chloride, ketene,
installation of support brack- K9208v rtexburner is air, the capacity can besynthesis gas. hydrogen,increased at least 50%.
ets inside the furnace
designed f r easy：
catalytic reforming, andunnecessary.
NoiseιThesilencer,maintenance.
others.
This sidewall burner
The K9208 vortex burner is standard equipment for theThe data above represent
weatly reduces the installa- removed easily for inspection draft version of the vortex
t1on costs over those incurred without shutting down theburners. reduces noise totypical values which arewhen installing ceramic block furnace. Fuel to an individual less than 68 dBA for naturalsubject to variations. Thegas and 80 dBA for 100%
values should not be used forburners with fiber insulation, burner can be shut off andand outperforms them ashydrogen fuel. In both cases specification purposes .
the burner mount loosened
well.
the noise is measured one
and removed from outside
the furnace. A spare burner meter from a single burner.
The Duradiantassembly can then beK9208v rtexburner
ins己rted and put into use
pr vides superior
wh1I己 thE; removed burner 1sheating unif rmity
serv1cea
Because of the whi「lingaction of the vortex burner
The Duradiantdesign, the K9208 burner
K9208 v rtexburner
spreads a flat flame over the standard draft m delentire wall of the furnace.
includes a silencer.
Exceptional uniformity ofThe silencer controls
heating is accomplished with burner noise and meets all
existing domestic and inter­national standards.

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selas®
The Heat Technolog 曹 Company

日本シ ー ラス株式会社
本 社

干 116-0001
東京都荒川区町屋 6 丁目 6 番 1 号
窓口3(5692)2525（·側臥X 03(3809)3350

・selase。

Th Hut Tech伺ology c mpany

Selas Corporatio「1 of America
Dresher, PA 19025 U.S.A
215-646-6600