AN INDUSTRIAL GAS CHROMATOGRAPH Russian patent published in 2007 - IPC G01N30/60 

FIELD: the invention refers to devices controlling composition of gas mediums.

SUBSTANCE: it is used at the enterprises of fuel and energy complex, oil and gas fields, in geological prospecting and in other cases when it is necessary to control the composition of gas mediums. The industrial chromatograph has a sealed reservoir with gas-carrier which is provided with connecting pipes for input and output of the analyzed medium and with a unit of input of exterior cable connections. Inside the sealed reservoir there is an analyzer which has an electronic block, a valves block, connected with a compressor via chromatographic columns, a detection block having at least two detectors and a measuring block including two measuring volumes and two filter-absorbers one of which is connected with the valves block and another - with the detection block. The connecting pipes for input and output of the analyzed medium are connected with the valves block and the electronic block is connected through inner interface with the chromatographic columns, the detection block, the compressor and the valves block and through exterior interface - with the unit of input of the exterior cable communications. The chromatograph has connected between themselves a gas-carrier receiver, a thin regulation valve and sensor of the gas-carrier pressure and also a sensor of gas-carrier consumption connected with the output of the thin regulation valve and with the input of the valves block. The valves block is connected with the thin regulation valve and with the sensors of gas-carrier pressure and consumption.

EFFECT: increases sensitivity, selectivity, accuracy and speed of analysis and provides better exploitation properties.

3 dwg