Vacuum reaction device for polyester polycondensation test
A technology for reaction devices and experiments, applied to measuring devices, instruments, scientific instruments, etc., can solve the problems of uneven heating, low error of test results, etc., and achieve the effects of fast heat conduction, reduced influence, and simplified equipment structure
Pending Publication Date: 2021-10-22
YANGZHOU POLYTECHNIC INST
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Problems solved by technology
[0003] In view of this, the purpose of the present invention is to provide a vacuum reaction device for polyester polycondensation test, to effectively solve the uneven heat supply of the traditional heating method proposed in the above-mentioned background technology, and the traditional reaction device needs a plurality of reactors, resulting in The problem of low error in test results
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[0026] 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.
[0027] see Figure 1-Figure 5 , the present invention provides the following technical scheme: a vacuum reaction device for polyester polycondensation test, comprising a kettle body 4, a cover body 5 is installed on the top of the kettle body 4, a vacuum pressure gauge is installed on the cover body 5, and the pressure in the kettle is displayed in real time state, when the pressure in the kettle is too low, the pressure can be increased by closing the second ...
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The invention discloses a vacuum reaction device for polyester polycondensation test, and relates to the technical field of polyester polycondensation test. The vacuum reaction device comprises a kettle body, the top of the kettle body is provided with a cover body, one side of the kettle body is provided with a heating device, the heating device comprises an electric heating furnace, a heating medium pump device and a half-tube spiral jacket, wherein the electric heating furnace is used for heating a heat transfer medium, the heating medium pump device is used for enabling the heat transfer medium to circulate in the half-pipe spiral jacket after being connected with the heating furnace through a pipeline, and the half-tube spiral jacket is used for being installed outside the kettle body and conducting heat of the heat transfer medium to the kettle body. The half-tube spiral jacket is mounted outside the kettle body, so that the heat transfer efficiency is improved, substances in the kettle body are uniformly heated, the accuracy of test results is favorably improved, the test error is reduced through the vacuum kettle body, a user can conveniently analyze test data according to the results in the later period, and the reaction efficiency of the materials is improved.
Description
technical field [0001] The invention belongs to the technical field of polyester polycondensation test, in particular to a vacuum reaction device for polyester polycondensation test. Background technique [0002] Polyester is a general term for a class of polymer compounds formed by esterification and polycondensation of dibasic or polybasic acids and dibasic or polyhydric alcohols. Polyester is widely used in industrial fields such as fibers, containers, and films. In order to break through behavior modification Research, in the research process, it is necessary to use laboratory research equipment capable of simulating mainstream production processes, stable, reliable, and repeatable results. Polyethylene terephthalate is referred to as PET. At present, polyethylene terephthalate Alcohol ester is the polyester product with the highest output and the widest application. In the research process of PET, in the PET modification test, a set of test reaction device is required w...
Claims
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IPC IPC(8): G01N25/00
CPCG01N25/00
Inventor 赵利民潘毅任云晖柳青松王伟
Owner YANGZHOU POLYTECHNIC INST