On-line monitoring device and method for steel slag hot stuffy gas composition under pressure
A gas composition, hot and stuffy technology, used in measurement devices, analytical materials, preparation of samples for testing, etc., can solve the problem of real-time monitoring and other problems, and achieve a solution that eliminates potential safety hazards, simple installation and operation, and strong compatibility. Effect
Active Publication Date: 2016-08-31
CENT RES INST OF BUILDING & CONSTR CO LTD MCC GRP +1
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Problems solved by technology
[0004] A large amount of water vapor will be generated in the pressurized hot stuffy process, and the current flowmeter and gas analyzer require the measurement medium to be a pure gas phase without water vapor. It is difficult to measure the composition of combustible gases under the condition of containing a large amount of water vapor. Online real-time monitoring is even more difficult
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[0020] An on-line monitoring device for pressurized hot stuffy gas composition is attached figure 1 As shown, there is an on-line monitoring device for hot and stuffy gas components, which includes: a hot and hot stuffy tank 1, an electric regulating valve 2, an air induction pipe 3, a condenser 4, a water tank 5, a mass sensor 6, and temperature, pressure and flow sensors 7 , bronchus 8, gas analyzer 9, air pump 10, PLC control system 11 and calculation and display system 12; air induction pipe 3 includes the first air induction pipe, the second air induction pipe and the third air induction pipe; The opening of the pipe is connected to the inlet end of the valve 2 through the first air induction pipe 3, and the outlet end of the valve 2 is connected to the condenser 4 through the first air induction pipe 3, and the condenser 4 is connected to the water tank 5, and the condenser 4 convects the sample gas flowing through the condenser 4 Condensation and dehydration removes wat...
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The invention relates to an on-line monitoring device and method for components of pressurized hot stuffy gas. During the hot stuffy process, the gas in the pressurized hot stuffy tank 1 is extracted at a certain flow rate, and the extracted gas is condensed by a condenser 4 to remove water vapor to obtain dry gas. Then measure the temperature, pressure, and flow of the dry gas and introduce the gas analyzer 9 to monitor the dry gas composition in real time; at the same time, collect the condensed water of the water vapor, and determine the quality of the condensed water by weighing, thereby determining the real-time flow of the water vapor. The real-time gas composition of the measured dry gas can realize real-time monitoring of the gas composition in the autoclavable stuffy tank; the advantage of the present invention is that the monitoring of the hot stuffy gas in the process of processing steel slag in the autoclavable stuffy tank is realized, and the installation and operation of the monitoring device is simple, and it is compatible with PLC The system has strong compatibility and can realize on-line monitoring of hot stuffy gas components under pressure, which is beneficial to the control of combustible gas content in the tank during the hot stuffy process, and plays an important role in eliminating potential safety hazards.
Description
technical field [0001] The invention relates to an on-line monitoring device and method for hot and stuffy gas components of steel slag, in particular to an on-line monitoring device and method for gas components containing water vapor. Background technique [0002] About 0.12 to 0.14 tons of steel slag is produced for every ton of steel produced. In 2013, the steel slag produced in my country was about 101 million tons, with a utilization rate of 30%. A large amount of steel slag is not used as a resource, occupying land and polluting the environment. [0003] The traditional steel slag treatment process is pool-type hot stuffing plus crushing magnetic separation. Compared with pool-type hot stuffing, the pressure hot stuffing system improves the efficiency and automation of steel slag treatment, but the reaction of high-temperature steel slag and water in the hot stuffing process produces a certain Combustible gas, causing a safety hazard. Therefore, real-time monitoring ...
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IPC IPC(8): G01N33/00G01N1/34
Inventor 吴龙张艺伯吴桐郝以党孙健董春柳胡天麒曹静张硕
Owner CENT RES INST OF BUILDING & CONSTR CO LTD MCC GRP