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Sulfur recovery catalyst activity evaluating device and test method

A technology for evaluating devices and catalysts, applied in measurement devices, instruments, scientific instruments, etc., can solve the problems of easy sulfur formation in system equipment, large error in test data, and high sulfur content in raw gas, and achieve accurate and reliable test data and constant reaction temperature. , the effect of small bed temperature difference

Active Publication Date: 2014-01-15
CHINA PETROLEUM & CHEM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] 1. When the sulfur content of the raw material gas is high, there are potential safety hazards;
[0007] 2. The system equipment is prone to sulfur formation, making it difficult for the evaluation device to operate normally and stably;
[0008] 3. The test data has large errors and poor repeatability;
[0009] 4. The catalyst bed reaction temperature control and indication deviation is large, which affects the accuracy of the output data

Method used

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  • Sulfur recovery catalyst activity evaluating device and test method
  • Sulfur recovery catalyst activity evaluating device and test method
  • Sulfur recovery catalyst activity evaluating device and test method

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Experimental program
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Effect test

Embodiment 1

[0052] On the micro-reaction activity evaluation device of the present invention, the temperature control measurement under different temperatures has been carried out, and the temperatures of the upper, middle and lower temperature measuring points of the catalyst bed are as shown in Table 1.

[0053] Table 1 Temperature control measurement data at different temperatures

[0054] Catalyst bed upper temperature / °C

[0055] Catalyst bed temperature difference / °C

[0056] It can be seen from Table 1 that the temperature difference of the catalyst bed is in the range of 0.2-0.6°C, all of which are less than 1°C.

Embodiment 2

[0058] On the micro-reaction activity evaluation device of the present invention, the temperature control measurement under different space velocities was carried out, and the temperatures of the upper, middle and lower temperature measurement points of the catalyst bed were recorded in Table 2.

[0059] Table 2 Temperature control measurement data at different space velocities

[0060] Reaction space velocity / h -1

[0061] It can be seen from Table 2 that the temperature difference of the catalyst bed is in the range of 0.3-0.9°C, all of which are less than 1°C.

Embodiment 3

[0063] Taking the LS-300 sulfur recovery catalyst as the investigation object, using the evaluation method of the present invention and the micro-reaction evaluation device, the gas composition at the reactor inlet is H 2 S 2%, SO 2 1%, O 2 2000ppm, H 2 O 30%, the rest is N 2 , the gas volumetric space velocity is 2500h -1 Under the condition of , the Claus activity evaluation at different reaction temperatures was carried out, and the results are shown in Table 3.

[0064] The Claus activity evaluation result under the different reaction temperature of table 3

[0065] Reaction temperature / ℃

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Abstract

The invention provides a sulfur recovery catalyst activity evaluating device and a test method, and belongs to the field of testing or analyzing a material by testing the chemical or physical property of the material. The device is characterized in that 1, a heat insulation type electric heating furnace is replaced by a blowing-type constant-temperature electric heating case (6), a reactor (7) is arranged in the blowing-type constant-temperature electric heating case (6); 2, a water pre-heater is saved, the distilled water after being measured is directly gasified in a water gasifying electric heating pre-heating coil (16) arranged in the blowing-type constant-temperature electric heating case (6); 3, an alkali liquor absorbing tank (12) is added; and 4, a computer control system (11) is provided. The sulfur recovery catalyst activity evaluating device and the test method provided by the invention have the characteristics of safety and stability in running, low temperature difference of a catalyst bed layer of the reactor, constant reaction temperature, exact and reliable test data, good repeatability, safety and environmental protection and convenience in use.

Description

technical field [0001] The invention relates to a sulfur recovery catalyst activity evaluation device and a test method. Pertaining to testing or analyzing materials by means of determining their chemical or physical properties. Background technique [0002] With the development of economy and technological progress, the environmental protection system is becoming increasingly strict, which puts forward higher requirements on the performance of sulfur recovery catalysts. Catalyst activity evaluation, product quality control in the manufacture of sulfur recovery catalysts, performance index testing in the process of research and development of sulfur recovery catalysts, sideline analysis in scale-up experiments of sulfur recovery catalysts in research and development, and application tracking analysis of sulfur recovery catalysts in the operation of production units and In many aspects such as the monitoring of aging degree, the activity evaluation of sulfur recovery catalys...

Claims

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Application Information

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IPC IPC(8): G01N30/02
Inventor 郝国杨刘爱华盛兆顺梁颖杰刘剑利陶卫东刘增让
Owner CHINA PETROLEUM & CHEM CORP
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