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Catalytic light gasoline etherification device and method

A light gasoline, etherification technology, applied in the petrochemical field, can solve the problems of increasing equipment costs, operating costs, device energy consumption and floor space, etc., and achieve the effects of saving equipment costs, reducing floor space, and reducing energy consumption

Active Publication Date: 2020-11-03
BC P INC CHINA NAT PETROLEUM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The catalytic light gasoline etherification device provided by the prior art includes four kinds of equipment, which increases equipment cost, operating cost, device energy consumption and floor area

Method used

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  • Catalytic light gasoline etherification device and method
  • Catalytic light gasoline etherification device and method
  • Catalytic light gasoline etherification device and method

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Embodiment approach

[0140] As the first implementation mode, as attached Figure 5a As shown, the inner walls of the upper and lower ends of the middle housing 201 are respectively provided with an upper limiter 208a and a lower limiter 208b; A first sealing ring 209a is provided; the lower partition 203 is provided on the lower limiting member 208b, and a second sealing ring 209b is provided between the lower partition 203 and the middle housing 201 .

[0141] Wherein, the upper limiter 208a and the lower limiter 208b can be arranged in various structures, as long as they can be respectively fixed on the upper partition 202 and the lower separator 203, for example, the upper limiter 208a and the lower limiter 208b can be It is a ring structure, and may also be composed of a plurality of limit blocks uniformly arranged along the circumference of the middle housing 201 .

[0142] The above-mentioned upper limiter 208a and lower limiter 208b can be welded on the inner wall of the middle housing 20...

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Abstract

The invention discloses catalytic light gasoline etherification apparatus and method and belongs to the field of petrochemical engineering. The apparatus includes, successively from top to bottom, a first reaction section, a heat exchange section and a second reaction section; the heat exchange section is used for preheating etherification raw materials and cooling a primary etherification productfrom the first reaction section; the first reaction section is used for performing a reaction on the preheated etherification raw materials to generate the primary etherification product; the secondreaction section is used for carrying out a reaction to the cooled primary etherification product for generating a secondary etherification product. In the invention, etherification treatment on the catalytic light gasoline can be completed just by cooperation among the first reaction section, the heat exchange section and the second reaction section, so that extra equipment such as a heater, a cooler and the like can be avoided; the apparatus and method not only save equipment cost and operation cost, but also reduce energy consumption and occupied area.

Description

technical field [0001] The invention relates to the field of petrochemical industry, in particular to a catalytic light gasoline etherification device and method. Background technique [0002] As one of the products of petroleum catalytic cracking, catalytic light gasoline is often used to prepare motor gasoline. However, catalytic light gasoline contains a large amount of C 4 ~C 6 Olefins, which not only affect its performance, but also under the action of sunlight and nitrogen dioxide (NO 2 ) generates photochemical smog that diffuses in the troposphere, causing environmental pollution. At present, methanol or ethanol is usually used to catalyze C in light gasoline 4 ~C 6 Olefins are etherified to reduce the content of olefins, increase the octane number and oxygen content of gasoline, enhance the stability of gasoline, and reduce the vapor pressure of gasoline. Based on the above, it is necessary to provide a catalytic light gasoline etherification device. [0003]...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10G53/02
CPCC10G53/02
Inventor 刘成军温世昌李倞琛周璇赵霞
Owner BC P INC CHINA NAT PETROLEUM CORP
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