為硫磺火焰選擇適合的火焰探測器- The Good Option for Sulfur Flame Detection

探測硫磺火焰的火焰探測器- The Good Option for Sulfur-Flame Detection

A sulfur flame does not generate a unique infrared (IR) signature that can be distinguished from standard background infrared energy. Therefore, a traditional IR flame detector will not detect the sulfur fire.

硫磺燃燒時不會產生典型的紅外屬性光波。因此也無法使用標準的紅外火焰探測器來預警監測硫磺燃燒的火焰。

Because sulfur combustion does not produce water vapor a standard ultraviolet (UV) flame detector will not work.

由于硫磺燃燒時不會有水蒸氣,所以采用紫外(UV)火焰探測器是無法檢測到硫磺火焰的。

The best option for detecting sulfur flames is the Det-Tronics X2200 UV flame detector with a special high sensitivity molybdenum (moly) UV tube module, which has an increased spectral range of 1850 to 2650 angstroms, well suited to detecting burning sulfur.

比較好的檢測硫磺火焰的方式是采用美國迪創Det-Tronics的單頻紫外火焰探測器X2200,加裝可以將探測范圍增加到1850到2650埃的高靈敏度的鉬金屬UV探測模塊。

Companies that recover sulfur and that process it for practical use must be alert for sulfur flame hazards.

開發/提煉硫磺的工藝過程中間就必須對硫磺火焰進行安全監測。

For example, the corrosiveness of sulfur can damage nearby metal. If a conveyor belt is used in transporting sulfur, the rollers under the belt can create friction as they become corroded by the sulfur. The friction can cause a fire.

例如硫磺的腐蝕性會損壞接觸的金屬,如果是用傳送機運送硫磺,在傳送帶下面的被腐蝕的鏈條可能在運送過程中有可能產生火花,進而引發火災。

硫磺火焰探測的挑戰性-Sulfur Flame Detection Challenges

Detecting a sulfur fire is not simple. Very difficult to see with the human eye or a camera, burning sulfur generates a low intensity, blue flame that is a source of ultraviolet (UV) radiation.

硫磺火焰的檢測不是一件容易的工作。通過人眼或攝像頭很難發現硫磺火焰,因為硫磺燃燒只會生成低強度的藍色火焰,這種藍色火焰會發出紫外線光波。

Sulfur produces a low temperature fire. To detect the heat from a sulfur flame, a heat detector would need to be directly next to the flame, making linear heat? detectors a poor choice for sulfur fire detection. But due
to the corrosive nature of sulfur, any detection technology must be far enough away not to be damaged.

硫磺燃燒放熱低。所以如果要從溫度角度來監測硫磺火焰,必須靠近硫磺,并布置線性溫感火災探測系統。但由于硫磺的腐蝕性,又同時要求任何被使用的探測設備必須與它保持足夠多的距離。

A sulfur flame does not generate a unique infrared (IR) signature that can be distinguished from standard background infrared energy. Therefore, a traditional IR flame detector must rely on detecting secondary hydrocarbon fires ignited by the sulfur fire, which is not an acceptable fire detection solution.

硫磺燃燒時的火焰的紅外屬性與背景紅外沒有顯著差異,因此無法采用傳統的紅外火焰探測技術來探測硫磺火焰。

Sulfur combustion does not produce water vapor. Therefore, the standard UV flame detector, which uses a nickelbased sensing element, will not work. The standard nickel sensor ultraviolet tube detects radiation only in a spectral range from 1850 to 2450 angstroms — the water-vapor UV range

硫磺燃燒時不產生水汽,所以,標準的采用鎳基傳感器的紫外火焰探測器是無法檢測到的。標準的鎳基傳感器檢測的是水汽的紫外線范圍:1850到2450埃。

硫磺燃燒火焰的火焰探測解決方案-Sulfur Flame Detection Solutions

To detect sulfur flames effectively, a UV detector using a molybdenum (moly) sensing element is recommended.

推薦采用鉬基傳感器的紫外探測器

Moly-based sensors have an increased spectral range of 1850 to 2650 angstroms, well suited to detecting burning sulfur. Due to the moly sensor’s increased spectral range, it is susceptible to false alarming in certain artificial lighting. Consult the factory for recommendations on how to minimize this issue.

鉬基傳感器將可探測波長延伸到1850到2650埃的范圍,可以滿足測量硫磺火焰的要求。由于增加了紫外的被探測波長區域,所以也可能同時增加誤報率如有人工電弧的場合。所以現場的安裝環境還需要考慮干擾能源的因素。

Det-Tronics produces the X2200M ultraviolet flame detector with an optional moly UV tube module that provides a detection range for a 1-foot by 1-foot sulfur fire of 50 feet on-axis and 25 feet off-axis (when the very high?sensitivity option is chosen).

美國迪創Det-Tronics專用型號X2200M是增加了鉬基傳感器的單頻紫外火焰探測器,對于1*1英尺的硫磺火煙,在中軸線可以達到50英尺的探測距離,邊線可達25英尺的探測距離(探測器設置為極高靈敏度)。

If the user chooses the high-sensitivity setting, the X2200M has a detection range of 35 feet on-axis and 17.5 feet off-axis to a 1-foot by 1-foot sulfur fire. For a larger fire, the detection range is proportionally larger.

對于1*1英尺的硫磺火煙,在中軸線可以達到35英尺的探測距離,邊線可達17.5英尺的探測距離(探測器設置為高靈敏度)

For example, for a 2-foot by 2-foot fire the range of a detector at the high-sensitivity setting is approximately 70 feet on-axis and 35 feet off-axis.

舉例:對于2*2英尺的火焰在高靈敏度設置下,大概的有效檢測距離是70英尺(中軸線)/35英尺(邊線)

火焰探測器的替代方案-Placement of Flame Detectors


The problem of detecting burning sulfur is compounded when it is stored in large piles that have irregularities that may cause the flames to be hidden from the detector. Therefore, careful detector placement is essential when designing the flame detection system.

如果硫磺被存儲在長的管道或筒狀類容器內采用火焰探測器進行檢測就會有遇到問題。對于這種情況,我們推薦采用防爆煙感進行有效探測。(Det-Tronics的U5005, U5006, U5015, U5016防爆煙感探測器)

 

注:本文章翻譯自美國迪創Det-Tronics有關硫磺火焰探測的系統解決方案,版權歸原廠家所有

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