PROTEGO® 阻火器

阻火器的工作原理

阻火器经过精心设计，允许气体和液体等流动，并可防止火焰传播。
PROTEGO® 阻火器由单独的阻火盘 (FLAMEFILTER®)、间隔网和套管组成。阻火盘 (FLAMEFILTER®) 由卷绕的波纹金属条制成。PROTEGO® 管道末端阻火器和 PROTEGO® 管道中阻火器运用了狭小间隙中火焰淬熄的原理。
当混合物在两壁之间的间隙中着火时，火焰会朝未燃烧混合物蔓延。燃烧中混合物的体积膨胀会预压缩未燃烧混合物，并加速火焰的蔓延。通过边界层“s”中的散热，将热量传递到相对于间隙宽度“D”的间隙长度的较大表面上，然后通过将产品冷却至低于其着火温度，从而使火焰熄灭。
阻火器的间隙宽度和间隙长度决定了其灭火能力。间隙越窄越长，灭火效果越好。间隙越宽越短，压力损失越小。实验可以确定两种状况之间的最佳解决方案。

PROTEGO® 阻火器维修友好式设计

这种设计可防止 FLAMEFILTER® 阻火盘在装配或维护期间损坏或错位。
这些 PROTEGO® 阻火器特别适用于需要更频繁维护 FLAMEFILTER® 的应用（例如易聚合易结晶的环境）或爆炸等级IIC的介质。
完成安装之后，用户可以随时对 PROTEGO® 单元进行改装。

了解详细信息请选择下面产品。

BE/HK-E-IIB3

Deflagration Flame Arrester, endurance burning proof, End-of-Line

Explosion Group:

IIA1,

D / IIA,

C / IIB1,

C / IIB2,

C / IIB3,

B / IIB

BE/AD

Deflagration Flame Arrester, End-of-Line

Explosion Group:

IIA1,

D / IIA,

C / IIB1,

C / IIB2,

C / IIB3,

B / IIB,

B / IIC

BE/HK

Deflagration Flame Arrester, endurance burning proof, End-of-Line

Explosion Group:

IIA1,

D / IIA,

C / IIB1,

C / IIB2,

C / IIB3

BE/HK-E-IIB

Deflagration Flame Arrester, endurance burning proof, End-of-Line

Explosion Group:

IIA1,

D / IIA,

C / IIB1

BE/HK-E-IIB1

Deflagration Flame Arrester, endurance burning proof, End-of-Line

Explosion Group:

IIA1,

D / IIA,

C / IIB1

BE/HR

Deflagration Flame Arrester, endurance burning proof, End-of-Line

Explosion Group:

IIA1,

D / IIA,

C / IIB1,

C / IIB2,

C / IIB3

BE/HR-400

Deflagration Flame Arrester, endurance burning proof, End-of-Line

Explosion Group:

IIA1,

D / IIA

BE/HR-E-IIB

Deflagration Flame Arrester, endurance burning proof, End-of-Line

Explosion Group:

IIA1,

D / IIA,

C / IIB1,

C / IIB2,

C / IIB3,

B / IIB

BE/HR-E-IIB1

Deflagration Flame Arrester, endurance burning proof, End-of-Line

Explosion Group:

IIA1,

D / IIA,

C / IIB1

BE/HR-E-IIB3

Deflagration Flame Arrester, endurance burning proof, End-of-Line

Explosion Group:

IIA1,

D / IIA,

C / IIB1,

C / IIB2,

C / IIB3

BR/TS-80-IIB-P1,6

Detonation Flame Arrester

Explosion Group:

IIA1,

D / IIA,

C / IIB1,

C / IIB2,

C / IIB3,

B / IIB

BR/TS-80-IIB3

Detonation Flame Arrester

Explosion Group:

IIA1,

D / IIA,

C / IIB1,

C / IIB2,

C / IIB3

DA-CG

In-Line Detonation Flame Arrester

Explosion Group:

IIA1,

D / IIA,

C / IIB1,

C / IIB2,

C / IIB3

DA-E

Eccentric In-Line Detonation Flame Arrester

Explosion Group:

IIA1,

D / IIA,

C / IIB1,

C / IIB2,

C / IIB3

DA-G

In-Line Detonation Flame Arrester

Explosion Group:

IIA1,

D / IIA,

C / IIB1,

C / IIB2,

C / IIB3,

B / IIB,

B / IIC

DA-SB

In-Line Detonation Flame Arrester

Explosion Group:

IIA1,

D / IIA,

C / IIB1,

C / IIB2,

C / IIB3,

B / IIB,

B / IIC

DA-SB-EO-P1,1

In-Line Detonation Flame Arrester

Explosion Group:

DA-SB-PTFE

In-Line Detonation Flame Arrester

Explosion Group:

IIA1,

D / IIA

DA-UB

In-Line Detonation Flame Arrester

Explosion Group:

IIA1,

D / IIA,

C / IIB1,

C / IIB2,

C / IIB3

DR-UN

In-Line Detonation Flame Arrester

Explosion Group:

IIA1,

D / IIA,

C / IIB1,

C / IIB2,

C / IIB3

DR/ES

In-Line Detonation Flame Arrester

Explosion Group:

IIA1,

D / IIA,

C / IIB1,

C / IIB2,

C / IIB3

DR/ES, DN 1/4 - 3/4

In-Line Detonation Flame Arrester

Explosion Group:

IIA1,

D / IIA,

C / IIB1,

C / IIB2,

C / IIB3,

B / IIB,

B / IIC

DR/ES-PTFE

In-Line Detonation Flame Arrester

Explosion Group:

IIA1,

D / IIA

DR/ES-V

In-Line Detonation Flame Arrester

Explosion Group:

IIA1,

D / IIA,

C / IIB1,

C / IIB2,

C / IIB3

DR/EU

In-Line Detonation Flame Arrester

Explosion Group:

IIA1,

D / IIA,

C / IIB1,

C / IIB2,

C / IIB3

DR/SBW

In-Line Detonation Flame Arrester

Explosion Group:

D / IIA,

C / IIB3

DR/SV

In-Line Detonation Flame Arrester

Explosion Group:

IIA1,

D / IIA

E/KS

Vent Cap, End-of-Line

Deflagration Flame Arrester, endurance burning proof, End-of-Line

Explosion Group:

IIA1,

D / IIA,

C / IIB1,

C / IIB2,

C / IIB3,

B / IIB

EB-Z

Deﬂagration Flame Arrester, endurance burning proof, End-of-Line

Explosion Group:

D / IIA

EF/V-IIB3

Detonation Flame Arrester

Explosion Group:

IIA1,

D / IIA,

C / IIB1,

C / IIB2,

C / IIB3

EH/0

Vent Cap, End-of-Line

EH/0S

Vent Cap, End-of-Line

EV/VS, EV/VD

Flame Arrester Unit

Explosion Group:

IIA1,

D / IIA,

C / IIB1,

C / IIB2,

C / IIB3,

B / IIB,

B / IIC

FA-CN-IIA, IIB3

In-Line Deflagration Flame Arrester

Explosion Group:

IIA1,

D / IIA,

C / IIB1,

C / IIB2,

C / IIB3

FA-CN-IIA1

In-Line Deflagration Flame Arrester

Explosion Group:

IIA1

FA-CN-IIC

In-Line Deflagration Flame Arrester

Explosion Group:

IIA1,

D / IIA,

C / IIB1,

C / IIB2,

C / IIB3,

B / IIB,

B / IIC

FA-E

In-Line Deflagration Flame Arrester

Explosion Group:

IIA1,

D / IIA,

C / IIB1,

C / IIB2,

C / IIB3,

B / IIB,

B / IIC

FA-E-IIA1

In-Line Deflagration Flame Arrester

Explosion Group:

IIA1

FA-G

In-Line Deflagration Flame Arrester

Explosion Group:

IIA1,

D / IIA,

C / IIB1,

C / IIB2,

C / IIB3,

B / IIB,

B / IIC

FA-G-IIA1-P2.2

In-Line Deflagration Flame Arrester

Explosion Group:

IIA1

FA-I

In-Line Deflagration Flame Arrester

Explosion Group:

IIA1,

D / IIA,

C / IIB1,

C / IIB2,

C / IIB3

FA-I-FC

Flame Arrester Unit

Explosion Group:

IIA1,

D / IIA,

C / IIB1,

C / IIB2,

C / IIB3,

B / IIB,

B / IIC

FA-I-PTFE

In-Line Deflagration Flame Arrester

Explosion Group:

IIA1,

D / IIA

FA-I-V, FA-I-P

Flame Arrester

Explosion Group:

IIA1,

D / IIA,

C / IIB1,

C / IIB2,

C / IIB3,

B / IIB,

B / IIC

LDA

Liquid Detonation Flame Arrester

Explosion Group:

IIA1,

D / IIA,

C / IIB1,

C / IIB2,

C / IIB3

LDA-F

Liquid Detonation Flame Arrester

Explosion Group:

IIA1,

D / IIA,

C / IIB1,

C / IIB2,

C / IIB3

LDA-W

In-Line Liquid Detonation Flame Arrester

Explosion Group:

IIA1,

D / IIA,

C / IIB1,

C / IIB2,

C / IIB3

LDA-WF(W)

In-Line Liquid Detonation Flame Arrester

Explosion Group:

IIA1,

D / IIA,

C / IIB1,

C / IIB2,

C / IIB3

LH/AD

Deflagration Flame Arrester, End-of-Line

Explosion Group:

IIA1,

D / IIA,

C / IIB1,

C / IIB2,

C / IIB3,

B / IIB,

B / IIC

LH/AD-T

Deflagration Flame Arrester, short time burning-proof, End-of-Line

Explosion Group:

IIA1,

D / IIA,

C / IIB1,

C / IIB2,

C / IIB3,

B / IIB,

B / IIC

LH/EB

Deflagration Flame Arrester, endurance burning proof, End-of-Line

Explosion Group:

IIA1

TS/P, TS/E, TS/W

Hydraulic Flame Arresters

Explosion Group:

IIA1,

D / IIA,

C / IIB1,

C / IIB2,

C / IIB3,

B / IIB,

B / IIC

爆炸性混合物可以通过各种方式燃烧。此外，以下因素可以影响燃烧过程：混合物的化学成分、可能的压力波、预压缩、燃烧室的几何形状以及火焰传播速度。

影片解釋了爆燃和爆炸的區別和特徵

不同的气体具有不同的火焰传播能力，并根据其危险等级划分为多个爆炸组。其相应的标准为 MESG（最大实验安全间隙），即在实验室中针对产品的火焰传播能力而测得的特征数。

MESG（或标准间隙宽度）是测试装置内部腔室两个部分之间最大间隙宽度，对于所有浓度的受试气体或空气中的蒸气，当内部气体混合物被引燃并处于规定条件下时，这一间隙将防止外部气体混合物通过 25 mm 的长间隙而被引燃。

MESG 是相应气体混合物的一种属性 [EN 1127-1]。注：EN 60079-20-1 规定了测试装置和方法。最具爆炸性的成分接近于气体/蒸气-空气混合物的化学计量混合物。

爆炸组	最大实验安全间隙 (mm)	NEC	用于测试阻火器的参考介质
IIA1*	≥ 1,14		甲烷
IIA	> 0,90	D	丙烷
IIB1	≥ 0,85	C	乙烯
IIB2	≥ 0,75	C	乙烯
IIB3	≥ 0,65	C	乙烯
IIB	≥ 0,5	B	氢气
IIC	< 0,5	B	氢气

The table shows the categorization of substances into the respective explosion group according to their MESG (IEC 79-1, EN ISO 16852).

特殊的解决方案

DMT 应用

超级保温呼吸阀和阻火器

乙炔应用

PROTEGO® DA-SB-AC 阻爆轰阻火器

环氧乙烷应用

PROTEGO® DA-SB-EO - 阻爆轰阻火器

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