Polymer Degasser

A degassing device and polymer technology, applied in the direction of liquid degassing, separation methods, chemical instruments and methods, etc., can solve problems such as high viscosity, impact on pump life and product quality, unfavorable mass transfer, heat transfer, etc.

Active Publication Date: 2021-03-16
山东省滕州瑞达化工有限公司
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

The inventors have found that, due to the high viscosity of the degassed polymer system, if it is directly discharged from the bottom of the degassing tank after degassing, it is not conducive to its mass transfer and heat transfer, and the degassed polymer system still contains Most of the monomers that do not participate in the reaction, for high-viscosity liquids, due to the effect of surface tension, these monomers in the system will only exist in the form of bubbles in the system, which will have a great impact on the life of the pump and product quality

Method used

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Embodiment Construction

[0033] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. 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.

[0034] Embodiments of the present invention provide a polymer degassing device, such as figure 1 As shown, the heat exchange device 3 and the degassing tank 25 are sequentially included from top to bottom. in:

[0035] The heat exchange device 3 can heat the polymer system that enters from the slurry inlet 1 at the top, and the heating temperature is about 150-200°C. The heat exchange device 3 is preferably a tube heater, so that the polymer system can pass t...

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Abstract

The embodiments of the invention provide a polymer degassing apparatus, and belong to the degassing field in the petrochemical industry technology, wherein the mass transfer and heat transfer effect of the high-viscosity polymer during the degassing process can be increased with the polymer degassing apparatus so as to increase the degassing effect of the polymer. The polymer degassing apparatus comprises a heat exchange device and a degassing tank arranged below the heat exchange device, wherein the degassing tank is sequentially provided with a flow collection member and a rotation member from top to bottom, the side wall between the flow collection member and the rotation member is provided with a flash evaporation steam outlet, the flow collection member is used for collecting the polymer from the heat exchange device onto the rotation member, and the rotation member is used for carrying out rotary dispersion on the polymer so as to remove the gas bubbles from the polymer. The polymer degassing apparatus of the present invention can be used for the high-viscosity polymer degassing process.

Description

technical field [0001] The invention relates to the field of degassing in petrochemical technology, in particular to a polymer degassing device. Background technique [0002] Isotactic polybutene polymer is a semi-crystalline polymer with butene-1 as a monomer, which naturally has physical properties similar to polyethylene and polypropylene polymers, and its outstanding creep resistance As well as the good mechanical properties displayed under heated conditions, it has unique advantages in the application of hot and cold water pipes, floor heating pipes, and packaging films. [0003] However, limited by the level of catalyst and the polymerization process, the particle shape of polybutene-1 in the polymer system composed of polybutene-1 and butene-1 monomer formed by the reaction is very irregular, and the polymerization temperature is high. At 30°C, it is also easy to swell in its monomer, thus making the polymer system sticky, resulting in difficulties in mass transfer a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D19/00
Inventor 白锋李青海齐世锋
Owner 山东省滕州瑞达化工有限公司
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