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Heat energy recovery device in production line for preparing acrylic acid by automatic propylene oxidation method

A technology for propylene oxidation and heat energy recovery, which is applied in steam superheating, lighting and heating equipment, steam generation, etc. It can solve the problems of low recovery efficiency, achieve the effects of reducing material costs, improving energy utilization rate, and improving heat energy utilization rate

Active Publication Date: 2021-09-24
山东蓝湾新材料有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to solve the problem of low recovery efficiency of the existing steam heat energy recovery device

Method used

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  • Heat energy recovery device in production line for preparing acrylic acid by automatic propylene oxidation method
  • Heat energy recovery device in production line for preparing acrylic acid by automatic propylene oxidation method
  • Heat energy recovery device in production line for preparing acrylic acid by automatic propylene oxidation method

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Embodiment Construction

[0037] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0038] A heat energy recovery device in an automatic propylene oxidation method for acrylic acid production line, combined with figure 1 , figure 2 , including a tank body 1, a ring frame 2, an infrared heating tube 3, a control box 4 and a connecting platform 5, several ring frames 2 are embedded in the tank body 1 at intervals, and severa...

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Abstract

The invention relates to a heat energy recovery device in a production line for preparing acrylic acid by an automatic propylene oxidation method, and relates to the technical field of chemical equipment. The heat energy recovery device comprises a tank body, a plurality of ring frames, infrared heating pipes, a control box and a connecting table, wherein the plurality of ring frames are embedded in the tank body at intervals, the plurality of infrared heating pipes are distributed in the middle of the ring frames at intervals, the length direction of the infrared heating pipes is the same as that of the tank body, the control box is fixedly connected to one ends of the infrared heating pipes, and the connecting table is fixedly connected to one side of the control box. The method has the advantages that the steam recovery efficiency is improved, and the secondary resource consumption is low.

Description

technical field [0001] The invention relates to the technical field of chemical equipment, in particular to a heat energy recovery device in an automatic propylene oxidation process for producing acrylic acid. Background technique [0002] The production of acrylic acid or methacrylic acid by two-step oxidation of (meth)propylene is a mature process, and the key to improving the economic efficiency of the plant is to reduce the energy consumption and human capital investment of the plant. Making full use of the reaction heat of propylene oxidation and the waste heat of oxidation tail gas incineration is the consensus of saving energy and reducing consumption in the two-step oxidation of propylene to produce acrylic acid or methacrylic acid. The heat of the propylene oxidation reaction is obtained through the molten salt in the reactor, and the cooling water is heated by the cooler to generate steam to cool the molten salt to maintain the reaction temperature of the reactor. ...

Claims

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Application Information

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IPC IPC(8): F22G1/16
CPCF22G1/165
Inventor 李金江王兵杰荣洪杰
Owner 山东蓝湾新材料有限公司
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