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OXITEC-ECONOMY
O2 Sistema
analisador para
pequenas aplicações
OXITEC 5000
O2-Sistema
analisador de usinas
Termoelétricas
OXITEC 132
O2- Sistema analisador
para aplicações médias
OXITEC 5000
O2-Sistema
analisador para
áreas perigosas
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FRPREDODQoRFRPSRVWRSULQFLSDOPHQWHGH
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FDORU
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GHH[WUHPDLPSRUWkQFLDSDUDDFRPEXVWmRHILFLHQWH
2DUHPH[FHVVRp LGHDOSDUDXPD
FRPEXVWmRRWLPL]DGD
A eficiência de 100%, ideal de um processo
de combustão é atingido, se a concentração
de combustíveis, bem como de O2 é zero
(ponto estequiométrico).
Na prática, não é possível chegar a
este ponto, porque o queimador e o
design das caldeiras possuem
menos de 100% de eficiência.
Portando, uma área alvo de 1-2%
de O2 é uma zona desejável em
função do combustível utilizado
Os valores constituem exemplos a partir de um carvão 300
unidades MW
Uma quantidade de O2 superior a
2% conduz a um efeito resfriador
desnecessário. Uma diminuição da
quantidade de O2 inferior a 1%
resulta na combustão incompleta e
crescente volume de moléculas
inflamáveis não queimadas!
O ponto ideal de medição
Material resistente ao
calor e caro é necessário,
escórias de fluidos podem
grudar na sonda de
medição.
Problemas de alta
estratificação
O combustível não queimado
não está totalmente oxidado
Erros de medição por,
possíveis vazamentos
de ar.
Mistura de gases de combustão
está muito melhor do que nas
zonas mais quentes acima.
Nenhum vazamento de ar do
pré-aquecedor de ar
Exemplo: caldeira
de carvão 300MW
com a tecnologia
do queimador tipo
ciclone
2;,7(&
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'XWRVGRVJDVHVGHFRPEXVWmR
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FRPEXVWmRFRPHVWUDWLILFDomRQDVDtGDGRGXWRGDFDOGHLUDFRPGLYHUVDV
FDUJDV
6m
8m
7HFQRORJLDGH&pOXODVGH=LUFRQLD =U2
$HTXDomRGH1HUQVW
:DOWKHU+HUPDQQ1HUQVWDJHG
P1
R
mV =
.T .Log 10 ( ) + Cmv
P2
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) )DUDGD\VFRQVWDQWH
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7 7HPSHUDWXUDGDFpOXODFRQVWDQWH
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20.95%
209,500 ppm
T
6DtGDGHFpOXODWtSLFD
P9'pFDGD
2.095%
20,950 ppm
Log 10 O2
Escala
0.2095%
2,095 ppm
0.02095%
209 ppm
0.002095%
20 ppm
P9
P9
P9
P9
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mV = .T.Log10( ) +Cmv
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7RWDOFRQVWDQWHGDFpOXOD&09 P9
mV = 0.0496.T .Log 10(
T=
T =
P1
)
P2
Mv
.0496 xLog 10 ..2095
0208
52 .58
.0496 x 1 .00312
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115v Elemento
Aquecedor
Vedação Gold Braze
T/C
Processos secundários 3% O2
Célula de Zircônia
Reference Air Side 20.95% O2
Catalisador de platina
Eletrodo superficial
Sinal de Fio de
saída MV
Almofada
Contato de
platina
Corpo em
aço
inoxidável
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GHOHLWXUD
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FLPHQWDGDUHDMXVWiYHO GD
OHLWXUD
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0DQXDOGH(FRQRPLD 2;,7(&
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The Additional Savings referred to in the table below are based on full systems with +/- 0.2% Oxygen of Measured value
compared to other Insitu Zirconium Cell devices with +/- 1% measured value error.
Even greater savings are achievable when compared with other manufacturers offering +/- 3% of measured value.
Higher
Reading
Measured
Value
Differential
Operational
OXITEC
Oxygen Reading
0.2%
Competition
1%
Variance
(Can be + 3%)
Annual Fuel Bill
Typical Payback
$94,900,000
Period in Months
Savings Per Month
using
Investment (4x3ft systems)
OXITEC O2 Analyzers
Annual Savings From
Improved Efficiency
$23,000
2.5%
0.005%
0.025%
0.020%
$18,980
15
$1,582
2.6%
0.005%
0.026%
0.021%
$19,739
14
$1,645
2.7%
0.005%
0.027%
0.022%
$20,498
13
$1,708
2.8%
0.006%
0.028%
0.022%
$21,258
13
$1,771
2.9%
0.006%
0.029%
0.023%
$22,017
13
$1,835
3.0%
0.006%
0.030%
0.024%
$22,776
12
$1,898
3.2%
0.006%
0.032%
0.026%
$24,294
11
$2,025
3.5%
0.007%
0.035%
0.028%
$26,572
10
$2,214
4.0%
0.008%
0.040%
0.032%
$30,368
9
$2,531
4.5%
0.009%
0.045%
0.036%
$34,164
8
$2,847
5.0%
0.010%
0.050%
0.040%
$37,960
7
$3,163
Example : 560MW Coal fired utility using 4,000 tons coal per day
Tons used per day
Price per ton
4000
$65
Typical COMTEC Package Includes:
Probe 3ft KES 5002
Std Head/sintered Metal Filter
Sol Cal. Gas Valve in Probe Head
Protection/Mounting Tube
This example assumes proper installation of 4 systems and calibration with Reference Air &
Certified known Oxygen Test Gas (typically 2.1% Oxygen in Nitrogen)
Mounting Flange & Fittings
SME 5 Microprocessor Electronics
Integral "electronic" Air Set
Cable & Tube 40ft
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9DQWDJHQV
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$(127(&DSHUIHLoRRX RDQDOLVDGRU GHR[LJrQLR
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TXDOLGDGHVHPFRPSURPLVVR
6HUJLR)HUUHLUD
Rua Braúlio Cordeiro 730
Jacaré – Rio de Janeiro
Tel.: 21 – 2128 5300
www.engezer.com.br
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