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Novel spray reactor pipe orifice nozzle

A technology of jet reactor and nozzle, which is applied in the field of nozzle nozzle of new jet reactor, can solve the problems of poor nozzle entrainment and poor mixing, so as to improve production capacity, reaction conversion rate, and strong shearing and crushing effect , The effect of improving the structure of the reactor

Active Publication Date: 2017-12-22
SINOPEC SHANGHAI ENG +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is the problem of poor entrainment and poor mixing of nozzles in the prior art, and a new type of spray reactor nozzle nozzle is provided.

Method used

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  • Novel spray reactor pipe orifice nozzle

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A new jet reactor orifice nozzle, such as Figure 1-Figure 4 As shown, the cross section of the nozzle is in the form of an equilateral triangle, the three vertices are A, B and C respectively, the side length is AB=BC=CA=a, the vertices of the arc of the triangular cone are D, E and F, and On the same plane, △DEF and △ABC are parallel to the plane and are congruent triangles, and △ABD, △BCE and △CAF are congruent triangles; the vertical distance between plane DEF and plane ABC is h, h:a=0.5, When △ABD is an isosceles triangle, that is, waist length AD=BD=b,

[0019] The cold model verification experiment of the jet reactor is carried out by adopting the novel nozzle of the present invention.

[0020] The mass transfer characteristics of the twisted triangular nozzle structure were investigated in the experiment, and the circulation ratio of the circular nozzle with reduced diameter was kept consistent during the process (jet liquid flow rate per unit volume, Q L / V...

Embodiment 2

[0025] A new jet reactor orifice nozzle, such as Figure 1-Figure 4 As shown, the cross section of the nozzle is in the form of an equilateral triangle, the three vertices are A, B and C respectively, the side length is AB=BC=CA=a, the vertices of the arc of the triangular cone are D, E and F, and On the same plane, △DEF and △ABC are parallel to the plane and are congruent triangles, and △ABD, △BCE and △CAF are congruent triangles; the vertical distance between plane DEF and plane ABC is h, h:a=0.1, When △ABD is an isosceles triangle, that is, waist length AD=BD=b, b:a=0.2. (see table 1 for the analysis of experimental results)

Embodiment 3

[0027] A new jet reactor orifice nozzle, such as Figure 1-Figure 4 As shown, the cross section of the nozzle is in the form of an equilateral triangle, the three vertices are A, B and C respectively, the side length is AB=BC=CA=a, the vertices of the arc of the triangular cone are D, E and F, and On the same plane, △DEF and △ABC are parallel to the plane and are congruent triangles, and △ABD, △BCE and △CAF are congruent triangles; the vertical distance between plane DEF and plane ABC is h, h:a=1, When △ABD is an isosceles triangle, that is, waist length AD=BD=b, b:a=1. (see table 1 for the analysis of experimental results)

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PUM

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Abstract

The invention relates to a novel spray reactor pipe orifice nozzle, and mainly solves the problems of poor entrainment function and mixing of a nozzle in the prior art. According to the novel spray reactor pipe orifice nozzle, the cross section of a pipe orifice is in the form of a regular triangle, three vertexes are A, B and C, the edge length AB=BC=CA=a, arc vertexes of a triangular cone are D, E and F and positioned on the same plane, planes of a triangle DEF and a triangle ABC are parallel, the triangle DEF and the triangle ABC are congruent triangles, a triangle ABD, a triangle BCE and a triangle CAF are congruent triangles, the vertical distance between the triangle DEF and the triangle ABC is h, h:a=0.1-1, and b:a=0.2-1 when the triangle ABD is an isosceles triangle, namely, the waist length AD=BD=b. The novel spray reactor pipe orifice nozzle effectively solves the problems and can be used for feeding of a spray reactor.

Description

technical field [0001] The invention relates to a novel jet reactor orifice nozzle. Background technique [0002] The traditional continuous methanol carbonylation to acetic acid process mostly uses a stirred tank reactor with multi-layer stirring paddles. However, due to the strong corrosiveness of acetic acid, the reactor and internal components need to be made of zirconium materials. Not only the equipment cost is high, but also there are problems of difficult sealing and vibration of the stirring paddle, and high operation and maintenance costs. A jet bubble reactor with a simple structure is used instead of a stirred tank reactor. The gas dispersion performance, liquid mixing performance and gas-liquid mass transfer performance of stirred tank reactor and jet bubble reactor were analyzed and compared. Experiments have found that the mixing time, average gas holdup, and liquid volume mass transfer coefficient of the jet bubble reactor and the stirred tank reactor are a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J19/26
CPCB01J19/26
Inventor 江继峰徐曼陈迎张翼刘肖肖张亚男
Owner SINOPEC SHANGHAI ENG