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Impregnation equipment and method for preparing organic tail gas treatment catalytic incineration catalyst by using impregnation equipment

An impregnation equipment and tail gas treatment technology, which is applied in the field of organic tail gas treatment catalysts and its preparation equipment, can solve the problems of difficult impregnation of the carrier, achieve the effects of uniform distribution, simplify the preparation process, and reduce chemical odor

Active Publication Date: 2019-02-26
CHINA PETROLEUM & CHEM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the deficiencies of the prior art, the purpose of the present invention is to provide an impregnating equipment with a simple and reliable structure, which solves the problem that the existing impregnating equipment is difficult to impregnate part of the carrier; method, the active components of the prepared catalyst product are evenly loaded on the surface of the carrier, there is no aggregation phenomenon, and the catalytic activity is high

Method used

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  • Impregnation equipment and method for preparing organic tail gas treatment catalytic incineration catalyst by using impregnation equipment
  • Impregnation equipment and method for preparing organic tail gas treatment catalytic incineration catalyst by using impregnation equipment
  • Impregnation equipment and method for preparing organic tail gas treatment catalytic incineration catalyst by using impregnation equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] Place the cordierite monolithic honeycomb carrier 13 on the tray 14 in the autoclave 2, close the autoclave 2, open the gas cylinder 1, and purge the carrier 13 with 1.0MPa nitrogen to remove the impurities attached to the surface of the carrier 13 from the system , after purging for 60 minutes, turn off the nitrogen.

[0052] Raise the temperature to 150°C, turn on the vacuum pump 8, in a vacuum of 5×10 -2 Carrier 13 was degassed for 60 minutes under certain conditions. After completing the degassing, stop the vacuum pump 8, stop heating, and the system is down to normal temperature.

[0053] Turn on the water pump 7, inject the desalted water into the autoclave 2, the system pressure is normal pressure, immerse the carrier 13 in the desalted water for 60 minutes, then empty the water in the system, and use 1.0MPa nitrogen to blow the carrier 1310 minutes to reduce its Residual moisture attached to the surface.

[0054] Palladium chloride is formulated into a soluti...

Embodiment 2

[0062] Place the cordierite monolithic honeycomb carrier 13 on the tray 14 in the autoclave 2, close the autoclave 2, open the gas cylinder 1, and purge the carrier 13 with 0.5MPa nitrogen to remove the impurities attached to the surface of the carrier 13 from the system , after purging for 30 minutes, turn off the nitrogen.

[0063] Raise the temperature to 120°C, turn on the vacuum pump 8, in a vacuum of 1×10 -1 Carrier 13 was degassed for 30 minutes under certain conditions. After completing the degassing, stop the vacuum pump 8, stop heating, and the system is down to normal temperature.

[0064] Turn on the water pump 7, inject the desalted water into the autoclave 2, the system pressure is normal pressure, immerse the carrier 13 in the desalted water for 30 minutes, then empty the water in the system, and use 0.5MPa nitrogen to blow the carrier for 135 minutes to reduce its Residual moisture attached to the surface.

[0065] Palladium chloride is formulated into a sol...

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Abstract

The invention relates to an organic tail gas treatment catalyst and a preparation device thereof, particularly to impregnation equipment and a method for preparing an organic tail gas treatment catalytic incineration catalyst by using the impregnation equipment. The impregnation equipment comprises an autoclave, wherein the top inlet of the autoclave is respectively connected to a gas cylinder, apump and a vacuum pump, the lower outlet of the autoclave is sequentially connected to a separator, a liquid high-pressure storage tank, a pressure relief valve and a liquid container through a pipeline, the liquid container is connected to the pump by a pipeline, a heater is arranged inside the autoclave, the bottom portion of the autoclave is provided with a hole, a thermowell is installed in the hole, a thermocouple is installed in the pipe cavity of the thermowell, and a tray is welded on the top portion of the thermowell. According to the present invention, the impregnation equipment hasthe simple and reliable structure, and can solve the problem that part of carriers are difficultly impregnated by the traditional impregnation equipment; and with the method, the active component of the prepared catalyst product is uniformly loaded on the surface of the carrier, and is not aggregated, and the catalytic activity is high.

Description

technical field [0001] The invention relates to a catalyst for treating organic tail gas and its preparation equipment, in particular to an impregnating device and a method for preparing a catalytic combustion catalyst for treating organic tail gas by using it. Background technique [0002] One of the common methods to deal with organic tail gas is catalytic incineration. [0003] The catalytic incineration catalyst usually adopts a cordierite monolithic honeycomb carrier, and the catalyst preparation method is usually an impregnation method. The general preparation method is as follows: first coat the surface of the carrier with a layer of aluminum oxide film or alkaline earth or alkali metal, and then coat the active component. The stability and erosion resistance of the coated film have become the focus of research, and the poor stability and erosion resistance of the finished film are also the shortcomings of existing catalysts. [0004] The catalyst pressurized impreg...

Claims

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Application Information

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IPC IPC(8): B01J3/04B01J23/44F23G7/07
CPCB01J3/04B01J23/44F23G7/07
Inventor 王昊薛红霞姜建波白志敏齐焕东宋晓军赵沁
Owner CHINA PETROLEUM & CHEM CORP
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