MTO (methanol-to-olefins) device
A low-carbon olefin and methanol technology, which is applied in the field of methanol-to-low-carbon olefin equipment, can solve the problems of high-efficiency catalysts such as long reaction time and multiple secondary reactions, and achieve the effects of shortening reaction time, reducing secondary reactions, and improving selectivity
Inactive Publication Date: 2017-11-28
CHNA ENERGY INVESTMENT CORP LTD +1
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Problems solved by technology
[0005] The main purpose of the present invention is to provide a methanol-to-light olefins device to solve the problem that the reaction time of the high-efficiency catalyst is too long to produce too many secondary reactions in the methanol-to-light olefins process
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[0027] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.
[0028] It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
[0029] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that wh...
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The invention provides an MTO (methanol-to-olefins) device. The MTO device comprises a settler, a regenerator and a riser reactor, wherein settling space is formed in the settler, and regenerating space is formed in the regenerator and communicated with the settling space in a selectable manner; a first end of the riser reactor is communicated with the settling space, a methanol raw material inlet and a regenerated catalyst inclined pipe are arranged at a second end of the riser reactor, and the riser reactor is communicated with the regenerator through the regenerated catalyst inclined pipe. When the MTO device works, methanol enters the bottom of the riser reactor through the methanol raw material inlet, a high-temperature catalyst in the regenerator enters the bottom of the riser reactor through the regenerated catalyst inclined pipe, methanol and the high-temperature catalyst meet at the bottom of the rise reactor and react rapidly, so that the reaction time of methanol and the high-temperature catalyst is shortened, secondary reactions are reduced, and selectivity of olefins is improved.
Description
technical field [0001] The invention relates to the technical field of methanol-to-low-carbon olefins, in particular to a methanol-to-low-carbon olefins device. Background technique [0002] Low-carbon olefins (ethylene, propylene, butene, etc.) are important basic organic raw materials in the modern chemical industry. For a long time, low-carbon olefins have mainly been produced by pyrolysis of traditional naphtha or light oil and by-product LPG from catalytic cracking units, which is the so-called petroleum route. However, oil reserves are limited, and frequent fluctuations in international oil prices greatly affect the cost of low-carbon olefins, and restrict the development of olefins and their downstream industries. Many countries in the world have begun to devote themselves to the development of non-petroleum route to low-carbon olefins process technology. my country is short of petroleum resources. With the rapid development of my country's economy, the output of lo...
Claims
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IPC IPC(8): C10G3/00C07C1/20C07C11/04C07C11/06C07C11/08
CPCC07C1/20C10G3/42C07C11/04C07C11/06C07C11/08Y02P20/52Y02P20/584Y02P30/20Y02P30/40
Inventor 叶智刚戈军赵代胜薛飞田华赵鹏飞
Owner CHNA ENERGY INVESTMENT CORP LTD