Importance

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Abstract

An explosion-proof detector assembly for a flame ionization detector (FID) including an explosion-proof detector assembly enclosure configured to house the FID therein. A vent assembly coupled to the assembly enclosure includes a sintered metal frit configured to allow exhaust generated by the FID to vent from the detector assembly enclosure. A hydrogen supply line assembly coupled to the assembly enclosure includes a sintered metal frit configured to deliver a supply of hydrogen to the FID. A sample line assembly coupled to the enclosure includes a sintered metal frit configured to deliver a sample gas to the FID. A pressure relief assembly coupled to the assembly enclosure includes a sintered metal frit configured to ensure the pressure inside the detector assembly enclosure does not exceed a predetermined pressure. The sintered metal frit of the vent assembly, the hydrogen supply line assembly, the sample line assembly, and the pressure relief assembly are each configured to prevent a flame generated by the FID from contacting an explosive atmosphere outside the assembly enclosure, dissipate heat such that the temperature thereof does not exceed a predetermined temperature, and create an explosion-proof seal. An electrical conduit assembly is configured to house a plurality of data communication and power wires and is configured to prevent a flame generated by the FID from contacting an explosive atmosphere outside the detector assembly enclosure, dissipates heat such that the temperature of all surfaces thereof does not exceed a predetermined temperature, and creates an explosion-proof seal.

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First Claim