Multiphase online sampling device and multiphase online sampling method suitable for high-temperature hydrocarbon gas (smoke)

A sampling device and high-temperature flue gas technology, applied in the sampling device and other directions, can solve problems such as not seen, and achieve the effect of strong practicality and simple operation

Active Publication Date: 2012-08-15
EAST CHINA UNIV OF SCI & TECH
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  • Abstract
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  • Claims
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Problems solved by technology

As mentioned above, there are no research reports on real-time multiphase online

Method used

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  • Multiphase online sampling device and multiphase online sampling method suitable for high-temperature hydrocarbon gas (smoke)
  • Multiphase online sampling device and multiphase online sampling method suitable for high-temperature hydrocarbon gas (smoke)
  • Multiphase online sampling device and multiphase online sampling method suitable for high-temperature hydrocarbon gas (smoke)

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Embodiment Construction

[0023] The preferred embodiment of the present invention is such as figure 1 Shown, comprise a gas-solid separator 1, condenser 4 and gas-liquid separator 5, the inlet of this gas-solid separator 1 is communicated with the hydrocarbon (smoke) gas outlet that sucks in the reaction device of catalytic cracking unit, also before the inlet A flowmeter F, a thermometer T and a pressure gauge P are provided to observe and adjust the flow rate, temperature and pressure of the sampling gas; the gas phase outlet of the gas-solid separator 1 is connected with the inlet of the condenser 4 to further reduce the gas In the present embodiment, the external cooling water of the condenser is used as the cooling medium for heat exchange; the same solid sample collection device (comprising the visible material bin 2 and the solid sampling bottle 3 at the solid phase outlet of the gas-solid separator 1) Storehouse 2 and solid sampling bottle 3 are connected by valve) to be connected so that carr...

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Abstract

The invention relates to a multiphase online sampling device and a multiphase online sampling method suitable for high-temperature hydrocarbon gas (smoke). The method comprises the following steps: controlling inlet flow by adjusting the opening degree of an inlet adjusting valve by an inlet flowmeter; separating dust (catalyst) carried by the high-temperature hydrocarbon gas (smoke) (under the temperature of 280-900 DEG C) by a gas-solid separator and placing into a visual bunker at the lower part; guiding oil gas (smoke) after being purified into a condenser for performing heat exchange; adjusting the volume of cooling water entering the condenser by a thermometer at an outlet of the condenser, so as to realize the adjustable temperature at an oil gas (smoke) outlet; dividing the oil gas (smoke) after being condensed into be at gas and liquid two phases and separating in a gas-liquid separator; guiding the liquid phase to enter the bottom of the gas-liquid separator and guiding the gas phase to enter a torch or a low-pressure gas pipeline discharging sampling device; and arranging the flowmeter and a sampling port in front of a gas-phase discharging device, so as to realize the phase-phase sampling and metering. The device and the method can be used for sampling the running condition of the device in real time, the operation is simple and the practicability is strong.

Description

technical field [0001] The invention relates to an on-line sampling device and method, in particular to a multi-phase on-line sampling device and method suitable for high-temperature hydrocarbon (flue) gas. Background technique [0002] At present, in petrochemical, coal chemical and other fields, the product distribution and reaction process of the production device are largely related to the operation of the reactor or some key equipment. For example, the core part of the heavy oil catalytic cracking device is the riser reaction The operating conditions of the riser reactor will affect the product distribution and product quality of the catalytic cracking reaction to a certain extent. Therefore, the reaction characteristics of the riser reactor of the heavy oil catalytic cracking unit (such as reaction temperature, carbon deposition on the catalyst, etc.), the variation law of the reaction product along the height of the riser, and the change law of the type, distribution ...

Claims

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Application Information

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IPC IPC(8): G01N1/02
Inventor 杨强胡芳吕文杰汪华林吴瑞豪
Owner EAST CHINA UNIV OF SCI & TECH
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