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a mixer

A technology for mixers and feed pipes, applied in fluid mixers, mixers, mixing methods, etc., can solve the problems of head flange corrosion and aggravate head flange corrosion, so as to avoid fracture and improve service life , improve the effect of the mixing effect

Active Publication Date: 2018-07-20
QINGDAO DOUBLE PEACH SPECIALTY CHEM GRP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After it breaks, the diammonium hydrogen phosphate catalyst solution will impact the head flange of the mixer, causing corrosion of the head flange, and the diammonium hydrogen phosphate catalyst solution cannot mix with acetic acid steam evenly after the catalyst feeding pipe breaks Phosphoric acid is formed at a high degree, which intensifies the corrosion of the head flange

Method used

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Embodiment Construction

[0022] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

[0023] Such as figure 1 Shown, a kind of mixer comprises mixer shell 6, the first feed pipe 1, the second feed pipe 2 and catalyst feed pipe 3, wherein the first feed pipe 1 is used for conveying acetic acid vapor, and the second feed pipe The feed pipe 2 is used to transport the diammonium hydrogen phosphate catalyst solution, and the mixer cylinder 6 is used for mixing the two.

[0024] The mixer cylinder 6 is fixed to the head flange 8 through the cylinder flange 7 arranged on the outer wall of the cylinder, and the first feed pipe 1 is fixed at the center of the head flange 8, and the first feed pipe 1 is connected to the mixing The barrel 6 of the mixer is connected, and the acetic acid vapor enters the barrel 6 of the mixer through the first feed pipe 1 . Fix the second feed pipe 2 on the outer wall of the first feed pipe 1, the second f...

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Abstract

The invention relates to a mixer. The mixer comprises a mixer cylinder body, a first feeding tube and a catalyst feeding tube, one end of the catalyst feeding tube stretches into the first feeding tube, the mixer cylinder body is provided with a cylinder body top cover, one end of the first feeding tube is fixedly arranged in the center position of the cylinder top cover and is connected with the mixer cylinder body, the one end of the catalyst feeding tube stretching into the first feeding tube is fixedly provided with a supporting device, and the supporting device is overlapped to the inner wall of the first feeding tube. The mixer effectively prevents impact of a catalyst to mixer sealing flanges due to fracture of the catalyst feeding tube through avoiding the fracture of the catalyst feeding tube, and also prevents corrosion of phosphoric acid to the sealing flanges, induced by satisfactory uniformity of mixing of the catalyst and acetic acid steam after the fracture of the catalyst feeding tube, so the service life of the sealing flanges is prolonged, and the mixing effect is improved.

Description

technical field [0001] The invention relates to a mixing device, in particular to a mixer. Background technique [0002] Currently, acetic acid vapor and diammonium hydrogen phosphate catalyst solution need to use a mixer to achieve average mixing. In the prior art, one end of the catalyst feed pipe of the mixer extends into the first feed pipe for feeding. After long-term use, it is found that the catalyst feed pipe is prone to breakage. The reason for the fracture is that only one end of the catalyst feeding pipe is fixed, but the end extending into the first feeding pipe is not fixed. The catalyst feeding pipe forms a long cantilever beam, which vibrates and breaks under the impact of the high flow rate of acetic acid vapor . After it breaks, the diammonium hydrogen phosphate catalyst solution will impact the head flange of the mixer, causing corrosion of the head flange, and the diammonium hydrogen phosphate catalyst solution cannot mix with acetic acid steam evenly aft...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01F5/20B01F3/04
Inventor 张英民李德华杨刚田智英
Owner QINGDAO DOUBLE PEACH SPECIALTY CHEM GRP
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