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Flue gas monitoring
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Ultra-low flue gas dust meter

  • Brand: Xinze Instrument
  • Model: Sdust-110
  • Manufacturer: Shandong Xinze Instrument Co., Ltd.
  • Order number:
product manual

Product introduction:  

    连续烟尘浓度监测系统具有极高的灵敏度,配合烟气预处理模块,能可靠测量湿烟气中的烟尘(颗粒物)浓度。 The continuous smoke concentration monitoring system of the Sdust-110 ultra - low dust meter has extremely high sensitivity. With the flue gas pretreatment module, it can reliably measure the smoke (particulate matter) concentration in wet smoke.
由发射、 接收单元、烟气预处理模块组成,通过对恒温测量池内烟气的测量, 间接得到烟气中粉尘浓度,烟气预处理模块由采样探头、射流泵、加热单元、压力、温度控制单元、恒温测量池等部分组成,它完成将样气从烟道中抽出,并经加热装置使烟气温度达到烟气露点温度之上,然后送入恒温测量池进行测量。 The Sdust-110 ultra - low dust meter consists of a transmitting, receiving unit, and a flue gas pretreatment module. The dust concentration in the flue gas is indirectly obtained by measuring the flue gas in the constant temperature measurement tank. It consists of a heating unit, a pressure, temperature control unit, and a constant temperature measuring cell. It completes the extraction of the sample gas from the flue and passes the heating device to the temperature of the flue gas above the dew point temperature of the flue gas. .
The exhaust gas from the pretreatment module is returned to the flue gas through the sampling probe. The required jet gas and purge gas are generated by the clean fan unit. The purge gas is used to clean the optical components of the soot meter to ensure long-term reliable operation of the system.
 Sdust-110超低粉尘仪连续烟尘浓度监测系统

Specifications:

working principle

Laser forward scattering measurement

Measurement object

Industrial waste gas, soot (wet flue gas)

Mechanical properties

shell
size
weight
Protection class

Full metal housing
1600 × 610 × 400 mm (H × W × D)
About 100Kg
System IP54, electronics IP65

Optical characteristics

Working wavelength

(650 ± 20) nm

Measuring performance

Measuring range
Zero drift
Span drift
Indication error
The detection limit
Flue diameter

Minimum: (0 to 5) mg / m3 Maximum: (0 to 200) mg / m3
± 2% FS / 24h
± 2% FS / 24h
± 2% FS
± 0.01mg / m3
(0.7 ~ 20) meters

Measurement conditions

Flue gas flow rate
Flue gas pressure
Flue gas humidity
Flue gas temperature
Anti-blocking and back blowing

(0 ~ 30) m / s
-5Kpa ~ +5 Kpa
≤ 30g / m3 (water content)
300 °
Automatic, backflush time interval can be set

Power requirements

Voltage
power

220V
≤ 3KW

Environmental working conditions

Operating temperature

-20ºC to + 50ºC

Interface characteristics

Analog output
Digital interface

(4 to 20) mA
RS485

Third, the measurement principle
The Sdust-110 type ultra-low dust meter uses the principle of front scattering to measure the scattered light intensity of particles, and outputs the concentration of smoke and dust through a specific algorithm. The embedded high-stability laser signal source passes through the constant temperature measuring cell, irradiates the soot particles, and the irradiated soot particles reflect the laser signal, and the reflected light intensity is proportional to the soot concentration. The receiving unit and the transmitting unit receive smoke signals at a specific forward scattering angle, and obtain extremely high detection sensitivity.

Fourth, system characteristics
◢ Ultra-low range, minimum range (0 to 5) mg / m3, ultra-high sensitivity, minimum detection limit of 0.05 mg / m3.
仪器采用多种先进技术。 ◢The instrument uses a variety of advanced technologies. Including: related noise cancellation technology, laser transmission power stabilization technology, extremely low noise TIA, interference control and signal integrity design, anti-harsh environment design technology, providing fast, reliable and accurate quantitative soot emission data.
独有自动校准专利技术,实现零点和满量程自动校准。 ◢Unique patented automatic calibration technology to achieve zero and full-scale automatic calibration.
采用射流技术从烟道中抽取部分烟气,结构紧凑、安装简单、抗雷击、抗恶劣环境、成本低、维护量小。 Use jet technology to extract part of the flue gas from the flue, compact structure, simple installation, resistance to lightning, harsh environment, low cost, low maintenance
烟气传输过程进行连续加热恒温,防止传输过程湿烟气冷凝产生的测量偏差。 连续 Continuous heating and constant temperature during flue gas transmission to prevent measurement deviation caused by wet flue gas condensation during transmission.
采用智能控制技术,实时显示测量结果和系统运行状态参数。 ◢Using intelligent control technology, real-time display of measurement results and system operating state parameters.
通过内置的流速测量装置,可实现对湿烟气的等速采样。 Constant velocity sampling of wet smoke can be achieved through the built-in flow velocity measuring device.

Five, industry applications
Suitable for industrial boiler ultra-clear emission monitoring. Including thermal power, steel, metallurgy, cement, aluminum, petrochemical and ceramic industries.
环保污染源烟粉尘排放监测(CEMS) ◢Environmental pollution source smoke and dust emission monitoring (CEMS)
除尘设备效率监测 效率 Dust removal equipment efficiency monitoring
燃烧效率监测 ◢Combustion efficiency monitoring
工业制造过程中粉尘浓度的测量 测量 Dust concentration measurement during industrial manufacturing
工矿企业职业健康保护粉尘监测 Monitoring of Occupational Health Protection Dust in Mining and Industrial Enterprises
生产车间、厂房的粉尘负荷监控 监控 Dust load monitoring of production workshop and workshop
科学研究、实验现场测试 ◢Scientific research, experimental field test


 Sdust-110超低粉尘仪连续烟尘浓度监测系统光路示意图

 Sdust-110超低粉尘仪连续烟尘浓度监测系统光路示意图

Six, installation preparation
Please refer to Article 6 of HJ / T 76-2007 standard document.
Opening: The diameter of the opening of the measuring probe installation point must be greater than 56 mm, and the position of the hole should be no higher than 400mm from the platform ground.
Embedded flange: its diameter needs to be greater than 50mm. The center distance of the bolt holes of the flange of the measuring probe is 130mm. (The manufacturer's embedded flange specifications are DN65, which can be selected as required.)
Welded embedded flange: When installing the embedded flange, it needs to be kept down to 15 ° from the horizontal
Platform width: 600mm
Power supply: the host needs at least 3.5KW

 Sdust-110超低粉尘仪连续烟尘浓度监测系统安装示意图

 Sdust-110超低粉尘仪连续烟尘浓度监测系统安装现场   

 Sdust-110超低粉尘仪连续烟尘浓度监测系统安装现场

Sdust-110型超低排放粉尘仪(湿烟气)


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