7.2.14 Edition 07.08Technical Information · GB
www.kromschroeder.com
Burners for gas BIO, BIOA, ZIO
Large capacity range up to 1000 kW•Maintenance-friendly thanks to modular design•Robust burner design•Direct or lance ignition•Ionisation control or optionally with UV sensor•Suitable for new systems and modernisation of existing systems thanks to •individual length adjustmentAir preheating to 450°C available as an option•Low polluting level thanks to optimised combustion•For installation as ceiling or side-wall burner thanks to arbitrary installation •positionCan be combined with different combustion chamber shapes•
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t = To be continued
Table of contentsBurners for gas BIO, BIOA, ZIO . . . . . . . . . . . . . . . . . . . . . . 1Table of contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31.1 Examples of application. . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.1.1 Continuous control with pneumatic ratio control system . . .51.1.2 Continuous control with pneumatic ratio control system and lance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51.1.3 Continuous control with pneumatic ratio control system . . .61.1.4 Staged control with pneumatic ratio control system . . . . . .6
2 Mechanical construction . . . . . . . . . . . . . . . . . . . . . . . . . . 72.1 Burner housing (furnace flange) . . . . . . . . . . . . . . . . . . . 72.2 Burner insert . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72.3 Burner tube . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3 Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94 Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104.1 Burner type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104.2 Burner size. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104.3 Burner head. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .114.4 Field of application . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124.5 Calculating the burner tube length . . . . . . . . . . . . . . . 134.5.1 Burners in burner quarls . . . . . . . . . . . . . . . . . . . . . . . . . . . 134.5.2 Burners with burner attachment tube . . . . . . . . . . . . . . . . 15
4.6 Selection table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174.6.1 Type code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
5 Project planning information . . . . . . . . . . . . . . . . . . . . . 195.1 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195.2 Recommended ignition transformer . . . . . . . . . . . . . . 195.3 Nozzle-mixing burners . . . . . . . . . . . . . . . . . . . . . . . . . 195.4 Flame control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195.5 Hot air compensation . . . . . . . . . . . . . . . . . . . . . . . . . . 195.6 Purging air/cooling air . . . . . . . . . . . . . . . . . . . . . . . . . 205.7 Emissions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
5.8 Gas line connection . . . . . . . . . . . . . . . . . . . . . . . . . . . 215.9 Air line connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
6 Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 226.1 Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 246.2 Burner lance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
6.2.1 BIO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 266.2.2 ZIO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
7 Maintenance cycles . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27Feedback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28Contact . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
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BIO
BIOA
ZIO
Application1 For industrial furnaces and firing systems in the iron and steel industries in the precious, non-ferrous and light metal sector, as well as in the plastics, fibre and paper industries. Other fields of application are thermal incineration installations, as well as driers and hot-air generators.For low temperature applications (e.g. for crucible heating, radiant tube heating or hot-air generation), the burners are equipped with a heat-resistant steel attachment tube.For high temperature applications (e.g. forging furnace), the burners are used in combination with a burner quarl made from refractory concrete. Different flame shapes can be achieved by using burner quarls with a different geometry.The burner may be adapted to the system requirements using different burner tube lengths.
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Shaft melting and holding furnace Bogie hearth forging furnace Incineration installation for thermal regen-erative flue air purification
Application
Strip galvanising plant Rotary table furnace Aluminium tank furnace
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VAGVAS
AKT
GEH
VR LEH
GEH
EKO
EKO
BVAIC 20..E + BVA
M
VAS GDJ
BIO..L, ZIO..L
Examples of application1 .1 Continuous control with 1 .1 .1
pneumatic ratio control systemThis type of control offers the benefit of the mixture setting being maintained over a wide control range while at the same time preventing air deficiency. This type of control is used in melting furnaces in the aluminium industry or in regenerative incineration installations in the environment industry, for example.
Continuous control with 1 .1 .2 pneumatic ratio control system and lanceThe burner’s flexibility is increased thanks to an ignition lance. The control range can be extended incrementally with an optional integrated lance. This type of control is used in heat treatment fur-naces in the iron and non-ferrous metal industries and in heating furnaces in the steel industry, for example.
IC 20 + BVA
VAG
M
BVA
VASZIO, BIO, BIOA
LEH
EKO
EKOGEH
Three-pointstep
Application
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M
VAGVAS
ZIO, BIO, BIOAEKO
M
IC 20+ LFC
IC 20 + BVA EKO
AKT GFK AKT
DG..VC
LEH
GEH
DG..C
VAS
DL..A+ FLS
VAG+VBY
BIO, BIOA, ZIOAKT EKO
EKOMB 7 + BVHM
GEH
LEH
Application
Continuous control with 1 .1 .3 pneumatic ratio control systemThe burner is designed for near-sto-ichiometrical operation and a control range of 1:10 with its special burner head construction for CO2-optimised combus-tion. In combination with the cascade control system, the burner is capable of operating even with very low connection ratings, control ranges of 1:45 can be achieved.
Staged control with pneumatic 1 .1 .4 ratio control systemThe high output pulse at the burner gen-erated by this type of control produces a uniform temperature distribution and good circulation of the furnace or kiln atmosphere, e.g. in heat treatment fur-naces in the iron and non-ferrous metal industries or kilns for heavy-clay and fine ceramics. The pneumatic air/gas ratio control system offers maximum safety by an air deficiency cut-out, with a constant lambda value being maintained while the air pressure varies.
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BIO, BIOA ZIO
Mechanical construction2 The BIO, BIOA and ZIO burners are composed of three modules: burner housing, burner insert and burner tube. This structure allows the burners to be easily adapted to the respective proc-ess or to be integrated into existing systems. Maintenance and repair times are reduced and existing furnace installations can be easily converted.
Burner housing (furnace flange)2 .1
BIO BIOA ZIO
The burner is secured to the furnace by the burner housing. The burner housing accommodates the burner insert and the burner tube, and routes the combustion air. The combus-tion air pressure can be measured using an air pressure test nipple.
Burner insert2 .2
The combustion gas is supplied to the burner head via the gas connection and the gas pipe. The gas connection flange comprises of the gauge glass, ground screw and electrode plugs with plug caps.As of construction stage E, the connection flange is equipped with an integrated measuring orifice and flow adjustment for easy measuring and exact adjusting of the gas flow rate.The ignition and ionisation electrodes are screwed into the connection flange and can be replaced without removing the burner insert as of burner size 65 and construction stage D.Burners BIO, BIOA and ZIO are nozzle-mixing burners. Gas and air are mixed only once they are in the burner head. This prevents explosive gases from being generated in the pipeline. There are various burner head versions for different flame shapes and gas types.
BIO, BIOA, ZIO · Edition 07.08
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Burner tube2 .3
Different overall lengths enable adjustment to the system requirements.
In the burner quarlThe burner head is positioned inside the burner tube. The burner quarl accommodates the burner tube and simulta-neously acts as the combustion chamber for the complete combustion of the flame.
With attachment tubeThe burner head is positioned inside the burner tube. An at-tachment tube made of heat-resistant steel acts as the com-bustion chamber for the complete combustion of the flame for low- and medium-temperature applications.
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Function3 The burner control unit opens the gas and air control valves. Gas flows through the gas connection flange and air flows through the burner housing as far as the nozzle-mixing burner head.The combustible gas/air mixture is produced downstream of the burner head. Slots and holes in the air disc vary the degree and manner of twisting of the combustion air and determine the flame geometry. Depending on the gas type, the geometry of the gas nozzle varies.The gas/air mixture is electrically ignited directly by an igni-tion electrode or an ignition lance. A flame forms which is monitored using an ionisation electrode or optionally using the UV sensor.The choice of the respective combustion chamber material and geometry is primarily determined by the process.Using burner quarls, almost any flame shape and outlet ve-locity can be achieved.For low-temperature applications, a combustion chamber made of heat-resistant steel is used. The combustion chamber is part of the metallic burner attachment tube.
Burner insertBurner housing
Burner head
GasAir Burner tube
BIO, BIOA
Burner insertBurner housing Burner head
Gas
Air
Burner tube
ZIO
Ignition electrode Ionisation electrode
Gas nozzle
Burner head
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Selection4 Burner type4 .1
Type HousingAir temperature Furnace temperature
°C °CBIO GG 25 20 – 450 50 – 1600BIOA AlSi 20 – 200 50 – 1400ZIO ST 20 – 450 50 – 1600
Burner size4 .2
Burner size Burner capacity[kW]
BIO 50 40 BIO, BIOA 65 90BIO 80 150BIO 100 230BIO 125 320BIO 140 450ZIO 165 630ZIO 200 1000
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Burner head4 .3 The choice of burner head depends on the flame shape, gas type and variant.
Selection
Flame shape Code letterburnerhead
Control range 1)
Low fi re λ λ 2)Furnace
temperature[°C]
Air temperature 3)
[°C]Continu-
ousConstant air
volume Staged
normal R 1:10 1:3 > 1:10 > 1.05 0.8 – 1.3 50 – 1350 20 – 1505)
long H 1:10 1:4 1:10 > 1.3 0.8 – 1.5 500 – 1600 20 – 450fl at K4) – – > 1:10 > 1.05 0.9 – 1.2 50 – 11005) 20 – 1505)
1) Standard version, for larger control ranges, see under Variant.2) Indicate the rough range for the max. connection rating. For precise values for the individual versions, see burner diagrams. The ranges were deter-
mined for an ionisation current ≥ 5 μA. Extension of the working range using a UV sensor.3) The gas fl ow rate should be reduced in accordance with the enthalpy gain of the preheated combustion air.4) In conjunction with a burner quarl, for use as a radiant burner.5) Higher temperatures available on request.
Gas type Code letter Calorifi c value rangekWh/m3(n)
Natural gas L and H quality B 8 – 12Propane and propane/butane 70/30 G 25 – 29Propane, propane/butane, butane M1) 25 – 35Town gas, coke oven gas D 3 – 5Low calorifi c value gas L2) 1,4 3) – 2,5
1) Only where TAir ≤ 250 °C.2) Not for all burner sizes. Burner capacity is limited to 50% of the rated capacity.3) Calorifi c value range < 1.4 on request.
Variant Code letter Control range Low fi re Furnace tem-perature
Air temperature
Continuous Staged Output λ [°C] [°C]Separate low-fi re gas and air rate supply L 1:10 up to 1:650 approx. 1.5 > 1.05 50 – 1600 20 – 450Reduced max. connection rating R 1:10 1:10 – > 1.05 50 – 1350 20 – 250
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Field of application4 .4
Selection
Field of application Illustration* Combustion chamber Control Burner
head typeMax.
capacity Note
Industrial furnaces, open combustion chambers 4) A Open cone High/Low
Continuous R 100 % Recommended for cold-air operating mode on-ly, otherwise the nitric oxide values are too high
Industrial furnaces, open combustion chambers 4) B Cylindrical
High/LowHigh/Low/OffContinuous
R, H 100 % Normal to medium fl ow velocity
Industrial furnaces, open combustion chambers 4) C Tapered
High/LowHigh/Low/OffContinuous
R, H ca. 80 % Medium to high velocity, capacity depend-ing on the diameter
Industrial furnaces, open combustion chambers 4) D Flat fl ame quarl
High/LowHigh/Low/OffContinuous
K 100 %In the case of continuous control, usage in the lower capacity range (≥ 40%) is restrict-
ed, depending on the burner
Crucible heating E CylindricalHigh/Low
High/Low/OffContinuous
H 100 %The connection rating of the burners is
chiefl y dependent on the capacity of the burner chamber.
Radiant tube heating1), 2), 3) F
Burner attach-ment tube with
purging air bore holes
On/High/Off H 100 %
The connection rating of the burners is chiefl y dependent on the capacity of the burner chamber, usually < 2.5 W/cm². A draught blocker must be fi tted on the fl ue
gas side.
Hot-air generation1), 3) G
Burner attach-ment tube with
purging air bore holes, protective fl ame tube FPT
High/LowHigh/Low/OffContinuous
R 100 %Protection of the fl ame from cooling is en-sured by using a protective fl ame tube FPT
(recommended for fl ow velocity of > 15 m/s)
* See burner with attachment tube or burner quarl type.1) When using the burners in radiant tubes or in small combustion chambers, a trial under operating conditions is recommended. The burners must be
secured gas-tight to the furnace or burner quarl by the furnace fl ange, so that a backfl ow of hot fl ue gases is avoided.2) The outlet diameter of the radiant tube must be reduced to the point where a pressure loss of approx. 10 mbar occurs at max. burner capacity.3) Only where the furnace temperature is < 600°C.4) For optimal operation, the burner quarl and the fl ame shapes are combined according to the fi eld of application (see Burners in burner quarls).
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BKL
BKL
∅
BKL
BKL
B
C
D
A
Calculating the burner tube length4 .5 Burners in burner quarls4 .5 .1
BIO, BIOA, ZIO Burner quarl type Gas type* Flame shapeBurner head**
Burner chamber
length BKL (L10)
[mm]50 A, B, C B, M, G, D R 115–26565 A, B, C B, M, G, D R, H 165–26565 D B, M, G, D K 16580 A, B, C B, M, G R, H 215–26580 D B, M, G K 215
100 A, B, C B, M, G, D R, H 265–315100 D D K 180100 D B, M, G K 240125 A, B, C B, M, G R, H 315–365140 A, B, C B, M, G, D R, H 365–415140 D B, M, G, D K 225165 A, B, C B, M, G, D R, H 415–515165 D B, M, G, D K 250200 A, B, C B, M, G, D R, H 465–565
* B = natural gas, M = butane, butane/propane, propane, D = town gas, G = propane, propane/butane
** Flame shape: R = normal, H = long, K = fl at
For further information on burner quarls – see www.docuthek.com
Selection
Burner quarl type
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L2LO
BKL
L1
max. 10°
The position of the burner head (L2) should be appropriately selected, so that the burner head extends into the burner quarl.The position of the burner head is available in the following lengths: 35, 135, 235, 335 mm, etc.
Determine the position of the burner head: L2 = LO – BKLThe burner tube length (L1) is predefined, depending on the flame shape R, K or H:R, K burner head: L1 = L2 + 15 mmH burner head: L1 = L2 + 65 mm
ExampleDesired flame shape = R (normal).Selected burner with 40 kW capacity = BIO 50, the related burner chamber length (BKL) = 115 – 265 mm.Furnace wall thickness LO = 340 mm.Determine the position of the burner head: L2 = LO – BKL = 340 mm – 115 mm = 225 mm. Take the next smallest position of the burner head (L2): calculated position of the burner head = 225 mm -> next smallest position of the burner head = 135 mm.Test whether the burner chamber length (BKL) fits: furnace wall thickness – next smallest position of the burner head = burner chamber length LO – L2 = BKL -> 340 mm – 135 mm = 205 mm. The required BKL for burners BIO 50 with a furnace wall thickness of 340 mm and a burner head position of 135 mm is 205 mm. 205 mm falls into the burner chamber length range for burners BIO 50: 115 – 265 mm (see table Burners in burner quarls).
LegendL1 = Burner tube length L2 = Position of burner head LO = Furnace wall thickness BKL = Burner chamber length (L10)
Selection > Calculating the burner tube length > Burners in burner quarls
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E F G
Selection > Calculating the burner tube length
Burners with burner attachment tube4 .5 .2 Examples for fields of application
Crucible heating Radiant tube heating Hot-air generation
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L2
LO
L1-2
L1
Distance from burner head to burner tube end (L1-2):
BIO, BIOA, ZIOH burner head R burner head
[mm] [mm] 50 115 115 65 115 115 80 165 165 100 165 165 125 215 215 140 265 265 165 265 165200 315 215
Position of burner head:L2 = LO ± 50 mm
The burner tube length (L1) is calculated by adding the position of the burner head (L2) to the distance from burner head to burner tube end (L1-2): L1 = L2 + L1-2
ExampleDesired flame shape = R (normal).Selected burner with 40 kW capacity = BIO 50, the related distance from burner head to burner tube end (L1-2) = 115 mm.Available furnace wall thickness LO = 250 mm.Determine the position of the burner head: L2 = LO – 50 mm = 250 – 50 mm = 200 mm.Take the next largest position of the burner head (L2): calculated position of the burner head = 200 mm -> next largest position of the burner head = 235 mm.Calculate the related burner tube length (L1): L1 = L2 + L1-2 = 235 mm + 115 mm = 350 mm.
LegendL1 = Burner tube lengthL2 = Position of burner headLO = Furnace wall thicknessL1-2 = Distance from burner head to
burner tube end
Selection > Calculating the burner tube length > Burners with burner attachment tube
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Selection table4 .6 50 65 80 100 125 140 165 200 H R K B G M L D L - 50 –… /35 – … -(1) – -(99) A – Z B
BIO
BIOA
ZIO
= standard, = available
Order exampleZIO 165RB-50/35-(17)D
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Type code4 .6 .1
Code DescriptionBIOBIOAZIO
Burner for gasBurner for gas with aluminium housing
Burner for gas50 … 200 Burner size
HRK
Flame shape:Long
NormalFlat
BGMLD
Gas type:Natural gas
Propane, propane/butaneButane, butane/propane
Low calorifi c value gasTown gas
LR
Variant:Separate low-fi re gas and air rate supply
Reduced max. connection rating–50*–100**–150*–200**–250*–300**…
Burner tube length [mm]
/35–/135–/235–…
Position of burner head
-(1) … - (99) Burner head identifi erA–F Construction stageB With purging air bore holes
* R-, K burner head** H burner head
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Project planning information5 Installation5 .1
Installation position: any.Gas and air connection: can be rotated in 90° steps.Install and insulate the burner in order to avoid any overheat-ing of the components during operation. Where applicable, purging air must be used to prevent ingress of aggressive gases and thermal overload of components.Purging air bore holes in the furnace flange area ensure cool-ing and stability in the case of combustion in small combustion chambers (for example radiant tubes).
Recommended ignition transformer5 .2
≥ 7.5 kV, ≥ 12 mA, e.g. TZI 7,5-12/100 or TGI 7,5-12/100.
Nozzle-mixing burners5 .3 Non-return gas valves are not required, since the burners are of the nozzle-mixing type.
Flame control5 .4 Flame control is performed using an ionisation electrode or optionally using a UV sensor.
Hot air compensation5 .5 In order to maintain the total connection rating constant in hot-air operating mode:1. Gas connection rating and gas pressure are reduced
0 50 100 150 200 250 300 350 400 450 75
80
85
90
96
100 Gas connection rating
Gas pressure
Combustion air temperature [°C]
Tota
l con
nect
ion
ratin
g [%
]
2. Air pressure is increased
0 50 100 150 200 250 300 350 400 450 100
120
140
160
180
200
Combustion air temperature [°C]
air p
ress
ure
[%]
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Purging air/cooling air5 .6
700 800 900 1000 1100 1200 1300 14000
6
4
2
5
3
1
0
12
8
4
10
6
2
BIO, ZIO
BIO/ZIO..KB..E
BIO/ZIO..K
Purging/cooling air volume for burner
Furnace temperature °C
Cool
ing
air a
t 20°
CA
ir vo
lum
e at
rate
d ca
paci
ty [
m3 (n
)/h]
Cool
ing
air a
t 450
°CA
ir vo
lum
e at
rate
d ca
paci
ty [
m3 (n
)/h]
Purging airDepending on the furnace temperature, the burner must be cooled with a low air volume, being switched off, in order to avoid condensation due to the furnace atmosphere entering the burner housing. The air fan should not be switched off until the furnace has cooled down completely.
Cooling airThermal overload of the burner components must be avoided while the burner is switched off. The cooling air volume de-pends on the furnace and cooling air temperatures.The cooling air volumes in the diagram are given in standard cubic metres.
Emissions5 .7 NOX
[mg/m3]5% O2
K (450 °C)
R, K (20 °C)
H (20 °C)
10 50 100
100
200
300
400500600
50
70
H (450 °C)
Emissions for cold-air operating mode do not exceed the limits stipulated by the German Clean Air Directive.NOX values depend on the temperature, burner head, com-bustion chamber, furnace chamber, λ value and output (NOX values on request).If operated with LPG, NOX values are approx. 25% higher.
Project planning information
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Gas line connection5 .8 To ensure accurate measurements of the pressure differential on the integrated gas measuring orifice for burners BIO as from construction stage E, the following applies for the design of the gas connection:
– Ensure undisturbed flow to the gas connection on the burner for a distance of ≥ 5 DN.
– Use a bellows unit with the same nominal dimensions as the gas connection on the burner.
– Use a pipe bend up to an angle of 90° with the same nominal dimensions as the gas connection on the burner.
– Only use reducing nipples with an external thread at both ends in order to reduce the nominal diameter on the burner (e.g. from 1” to ¾”).
To ensure optimum flow, to avoid incorrect measurements and to enable burner operation with excess gas, we recommend the following:
– Do not screw the manual valve directly into the burner.
Air line connection5 .9 Ensure there is a bellows unit and an air adjusting cock up-stream of the burner. It is recommended to install a measuring orifice FLS to determine the air flow rate.
Project planning information
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Technical data6 Gas supply pressure: approx. 20 to 60 mbar,Air supply pressure: approx. 25 to 40 mbar, each depending on flame shape and gas type (gas and air pressures – see burner diagrams at www.docuthek.com).Burner length increments: 100 mm.Types of gas: natural gas or LPG (gaseous); other gases on request.Heating: direct using a burner quarl or an attachment tube, indirect using a burner attachment tube inside the radiant tube.Control type: staged: On/Off, High/Low/Off, continuous: constant λ value.Most of the burner components are made of corrosion-resistant stainless steel.Housing: BIO: GG25, BIOA: AlSi, ZIO: ST.Flame control: direct ionisation control (UV control as an op-tion).Ignition: direct, electrical, lance as an option.Maximum furnace temperature: BIO/ZIO in burner quarl: up to 1600°C, with K burner head: up to 1100°C (higher temperatures on request), BIO/ZIO with burner attachment tube: up to 800°C (higher temperatures on request).
Maximum air temperature: BIO, ZIO: 450°C, BIOA: 200°C.
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Burner Rated capacity 1) Flame shape code letter Flame length 2) Flame outlet velocity 3)
kW cm m/sBIO 50 40 R 30 15BIO 50 40 H 35 50BIO 65 90 R 40 20BIOA 65 90 R 40 20BIO 65 90 H 60 65BIOA 65 90 H 60 65BIO 65 90 K – –BIO 80 150 R 45 20BIO 80 150 H 70 70BIO 80 150 K – –BIO 100 230 R 55 20BIO 100 230 H 80 70BIO 100 230 K – –BIO 125 320 R 55 20BIO 125 320 H 115 60BIO 140 450 R 80 20BIO 140 450 H 140 70BIO 140 450 K – –ZIO 165 630 R 80 20ZIO 165 630 H 160 70ZIO 165 630 K – –ZIO 200 1000 R 100 25ZIO 200 1000 H 200 80
1) Higher capacities are possible – either on request or see burner diagrams at www.docuthek.com.2) Measured in the burner quarl from the front edge of the burner quarl, 6° open cone for R head, cylindrical for H head. The flame diam-
eter is approx. one to two times that of the burner tube or burner quarl outlet.3) Referred to rated capacity, with a flame temperature of 1600°C for R burner head and 1500°C for H burner head. The flow velocity is
increased when the outlet diameter of the burner quarl is reduced. The rated capacity must then be adjusted to the outlet diameter.
Technical data
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S d2
D2k2
FLA
GA
hH
D
L3
k3D3
L5
L6
L4 L1
L2
d3
n2
n3
d2
D2k2
FLA
GA
S
h30
H
D
L3L5
L6L4 L1
L2
n2
BIO BIOA
Burner Max. capacity*
Dimensions [mm]Weight
Gas connection Air connection[kW] D** GA LA H h S L3 L4 L5 L6 D2 k2 d2 n2 F D3 k3 d3 n3 [kg]
BIO 50 40 50 Rp 1/2 Rp 11/2 50 38 12 73 149 240 127 181 151 12 4 75 – – – – 5.4BIO 65 90 65 Rp 3/4 Rp 11/2 62 48 12 73 156 246 127 195 165 12 4 95 – – – – 7.2BIOA 65 90 65 Rp 1/2 ∅ 48 80 44 16 95 170 261 149 195 165 13 4 88 – – – – 3.6BIO 80 150 82 Rp 3/4 Rp 2 112 55 14 90 172 272 140 240 210 14 4 110 – – – – 11.2BIO 100 230 100 Rp 1 Rp 2 100 60 16 103 185 285 153 240 200 14 4 120 – – – – 12.6BIO 125 320 127 Rp 11/2 DN 65 135 73 16 120 254 350 212 270 240 14 4 145 185 145 18 4 21.7BIO 140 450 140 Rp 11/2 DN 80 150 80 18 130 271 381 232 300 265 14 4 160 200 160 18 8 29* Cold-air connection, open flame, λ = 1,1** Approx. 10 cm larger in the case of a deviation from the standard length, as a weld seam is applied.
Dimensions6 .1
L1 (burner tube length) and L2 (position of burner head) are variable (see Calculating the burner tube length)
Technical data
BIO, BIOA, ZIO · Edition 07.08
25
S
L6
Z I
D
k3D3
L3
L4
LA
L1
H
L2d3
GA
d2
D2k2
F
n2
ZIO
Burner Max. capacity*
Dimensions [mm]Weight
Gas connection Air connection[kW] D** GA LA H h S L3 L4 L5 L6 D2 k2 d2 n2 F D3 k3 d3 n3 [kg]
ZIO 165 630 165 R 11/2 DN 100 213 – 20 150 359 – 230 285 240 14 4 ∅ 220 220 180 18 8 26ZIO 200 1000 194 R 2 DN 150 220 – 20 220 469 – 340 330 295 22 8 ∅ 255 285 240 22 8 37* Cold-air connection, open flame, λ = 1,1** Approx. 10 cm larger in the case of a deviation from the standard length, as a weld seam is applied.
Technical data > Dimensions
BIO, BIOA, ZIO · Edition 07.08
26Technical data
Burner lance6 .2 BIO6 .2 .1
Gas connection: Rp ¼.Air connection: Rp 3/8.Gas pressure: 30 to 50 mbar.Air pressure: 30 to 50 mbar.
C
E2
B
E1
ZI
L7
W2
W1
gas
air
Burner Gas connection
Air connection Dimensions
B C E1 E2 L7 W1 W2mm mm mm mm mm ∠ ° ∠ °
BIO 80..L 57 54 7 10 177 36 45BIO 100..L 57 54 7 10 190 36 45BIO 125..L 69 65 8 8 261 30 30BIO 140..L 63 62 16 18 276 42 45
ZIO6 .2 .2 Gas connection: Rp ¼.Air connection: Rp ½.
I
ZI
L7
E2B
E1C
Gas
Air
Burner Gas connection
Air connection Dimensions
B C E1 E2 L7mm mm mm mm mm
BIO 165..L 118 77 27 71 382BIO 200..L 137 77 27 89 482
BIO, BIOA, ZIO · Edition 07.08
27
Maintenance cycles7 Twice per year, but if the media are highly contaminated, this interval should be reduced.
BIO, BIOA, ZIO · Edition 07.08
28
Kromschröder, a product brand of the Elster Group
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