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Flash low molecular removal device with cooling pipes

A cooling tube and molecular device technology, applied in flash evaporation and other directions, can solve the problems of unsatisfactory vacuum degree of de-decreasing molecular device, difficult extrusion of products, yellowing of rubber materials, etc., to shorten residence time, reduce temperature, prevent yellowing effect

Inactive Publication Date: 2011-03-23
颜建平
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a flash type delowering molecular device with a cooling tube. The present invention solves the following problems in the existing equipment: 1. The material may be exchanged at a high temperature for a long time in the container. The rubber will turn yellow due to the tendency of bonding; 2. Due to the high temperature, the vacuum degree of the delowering device is not ideal; 3. It is not easy for the product to be extruded from the delowing device in time.

Method used

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  • Flash low molecular removal device with cooling pipes
  • Flash low molecular removal device with cooling pipes
  • Flash low molecular removal device with cooling pipes

Examples

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Embodiment 1

[0013] refer to figure 1 , figure 2 , a flash type delowering device with a cooling tube, a coiled cooling tube 3 in the conical bottom 2 of the tank 1 of the delowing molecular device, and a cooling liquid inlet 4 on the coiled cooling tube 3 The cooling liquid inlet 4 is respectively connected to the coiled cooling pipes 3 of each layer through a section of straight pipe 5 , and a cooling liquid outlet 8 is provided above the coiled cooling pipes 3 .

[0014] The coiled cooling pipes 3 have 2-8 layers, and each layer of the coiled cooling pipes 3 has a liquid inlet and communicates with the cooling liquid inlet 4 through a straight pipe 5 .

Embodiment 2

[0016] The difference between this embodiment and the first embodiment lies in that: there is an internal detection screw extruder 6 inside the discharge port 7 on the conical bottom 2 .

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Abstract

The invention provides a flash low molecular removal device with cooling pipes, and relates to equipment for chemical production, in particular to the equipment for producing methyl vinyl high-temperature silicon disulfide rubber. In the invention, the coil cooling pipes are arranged in the conical bottom of a tank of the low molecular removal device and are equipped with cooling liquid inlets; the cooling liquid inlets are respectively connected with each layer of the coil cooling pipe through a straight pipe segment; and cooling liquid outlets are arranged above the coil cooling pipes. The flash low molecular removal device has the following beneficial effects on production: 1, material temperature is lowered; 2, the vacuum effect of the lower part of the low molecular removal device iseffectively improved; and 3, the cooling effect is enhanced. The flash low molecular removal device is further equipped with an internal detection-type screw extruder, which can shorten the retentiontime of the product in the low molecular removal device.

Description

technical field [0001] The invention relates to equipment for chemical production, especially equipment for producing methyl vinyl high-temperature vulcanized silicone rubber. Background technique [0002] The flash delowering device is a very important device for the production of methyl vinyl high temperature vulcanized silicone rubber. In this device, it will complete the destruction of the temporary catalyst, and then under the conditions of high temperature and high vacuum, the unreacted low molecules will be flashed out from the material. Finally, the methyl vinyl high temperature vulcanized silicone rubber is extruded through the screw extruder at the bottom of the delowering device. [0003] The existing delowering device has the following disadvantages: 1. The material may have a crosslinking tendency in the container at a high temperature for a long time, and the rubber material may turn yellow; 2. Due to the high temperature, the vacuum degree of the delowing dev...

Claims

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Application Information

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IPC IPC(8): B01D3/06C08F6/10
Inventor 颜建平
Owner 颜建平
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