Methanol to olefins device and method
A methanol-to-olefins and regeneration catalyst technology, applied in chemical instruments and methods, from oxygen-containing organic compounds to hydrocarbons, carbon compound catalysts, etc., can solve the problem of insufficient processing capacity of methanol-to-olefins equipment, and achieve small catalyst circulation, Save equipment and floor space, and reduce the load on the regenerator
Active Publication Date: 2020-05-01
CHNA ENERGY INVESTMENT CORP LTD +1
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[0007] The main purpose of the present invention is to provide a methanol-to-olefins device and method to solve the problem of insufficient processing capacity of the methanol-to-olefins device in the prior art
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[0025] 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.
[0026] The present application will be described in further detail below in conjunction with specific examples, and these examples should not be construed as limiting the scope of protection claimed in the present application.
[0027] As described in the background art section, the methanol-to-olefins unit in the prior art has the problem of insufficient processing capacity.
[0028] In order to solve this problem, the invention provides a methanol-to-olefins plant, such as figure 1 As shown, the device includes at least two reactors 10, a regenerator 20 and a quenching water washing device 30, each reactor 10 is provided with a standby catalyst outlet, a regenerated catalyst inlet and a prod...
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The invention provides a device and a method for preparing olefin from methanol. The device comprises at least two reactors, a regenerator and a quenching and water washing device, wherein each reactor is provided with an outlet of a catalyst to be generated, a regenerated catalyst inlet and a product gas outlet; the regenerator is provided with an inlet of the catalyst to be generated and a regenerated catalyst outlet; the inlet of the catalyst to be generated is communicated with each outlet of the catalyst to be generated; the regenerated catalyst outlet is communicated with each regenerated catalyst inlet; the quenching and water washing device is provided with a product gas inlet and the product gas inlet is communicated with each product gas outlet. According to the device provided by the invention, the characteristics of small regenerator load, large reactor load and small catalyst circulation quantity in a process of preparing the olefin from the methanol are sufficiently utilized and the plurality of reactors share one regenerator. Therefore, the capacity of one set of the device for preparing the olefin from the methanol can be greatly improved. The plurality of reactors are matched with one regenerator and one quenching and water washing device so that the equipment and occupied area can be reduced and the cost is reduced.
Description
technical field [0001] The invention relates to the field of chemical industry, in particular to a methanol-to-olefins device and method. Background technique [0002] Low-carbon olefins such as ethylene and propylene are the most basic chemical raw materials, especially the production capacity of ethylene is one of the symbols to measure the chemical level of a country or region. At present, the main ethylene-propylene production methods include cracking technology using petroleum as raw material, methanol-to-olefins technology, methanol-to-propylene technology, and propane dehydrogenation technology, all of which have been industrialized. my country is seriously short of oil resources, and the dependence on foreign oil reached 60% in 2015, seriously affecting the security of my country's energy strategy. The production route of ethylene propylene based on petroleum base will consume precious petroleum resources. my country is rich in coal resources, so it is of great sign...
Claims
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IPC IPC(8): B01J8/26C07C1/24C07C11/04C07C11/06
CPCB01J8/26C07C1/24C07C2529/85C07C11/04C07C11/06Y02P20/584
Inventor 文尧顺闫国春关丰忠南海明卢卫民
Owner CHNA ENERGY INVESTMENT CORP LTD