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Spray condenser scraper

A condenser and scraper technology, which is applied in the field of spray condenser scrapers, can solve problems affecting product quality, scraper operation difficulties, vacuum fluctuations, etc., and achieve the effect of preventing operation difficulties

Active Publication Date: 2013-03-27
JIANGSU SHENJIU CHEM FIBER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, if figure 1 , 2 As shown in 3 and 3, the gap between the ribs of the spray condenser scraper and the scraper plate and bearings currently used is small, and the cross-sectional shape of the shaft sleeve and the ribs is rectangular, and the scraper is easy to pull out during operation. A large amount of incomplete reactants accumulate on the scraper disk, and when the scraper moves to the suction pipe, it will block the pipe, causing vacuum fluctuations in the kettle, which seriously affects product quality
In addition, because there is a large amount of accumulation on the scraper, long-term load-bearing operation may easily cause difficulty in the operation of the scraper, or even deformation and fall off.

Method used

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Embodiment Construction

[0022] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0023] Such as Figure 4 , 5 As shown in and 6, the present invention provides a spray condenser scraper, comprising a scraper disk 1 and a shaft sleeve 2, a rib 3 is arranged between the scraper disk 1 and the shaft sleeve 2, wherein the shaft sleeve 2 includes a first support 4 and the first guide part 5, along the axial direction of the sleeve 2, the cross section of the first support part 4 is rectangular, the cross section of the first guide part 5 is a right-angled trapezoid, the bottom of the right-angled trapezoid is equal to one side of the rectangle and spliced ​​to form five The shaft ...

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Abstract

The invention relates to a spray condenser scraper comprising a scraper plate and a shaft sleeve. Rib bars are arranged between the scraper plate and the shaft sleeve. The shaft sleeve comprises a first supporting part and a first guiding part. Along an axial direction of the shaft sleeve, a cross section of the first supporting part is rectangular, and the cross section of the first guiding part is in a shape of a right-angle trapezoidal. A lower bottom of the right-angle trapezoidal is equal to one side of the rectangle, and a pentagon is formed by splicing. The shaft sleeve is a hollow rotation body formed by the pentagon around a shaft. A rib bar comprises a second supporting part and a second guiding part. Along a radial direction of the rib bar, the cross section of the second supporting part is rectangular, and a cross section of the second guiding part is triangular. There are three rib bars. With the spray condenser scraper provided by the invention, adhesion force and adhesion amount of oligomer from a reaction vessel through a vacuum suction pipe on the scraper plate can be reduced. When the scraper plate operates up and down, reaction vessel vacuum suction pipe blocking caused by a large amount of substances accumulated to the scraper plate can be prevented, and the influences to reaction vessel vacuum degree and to the final quality of the product are greatly reduced.

Description

technical field [0001] The invention relates to a scraper, in particular to a scraper for a spray condenser. Background technique [0002] In the production of polyester, the incomplete reactant extracted from the reactor is condensed by EG spray at the spray condenser, driven by the pneumatic horse of the cylinder, the scraper moves up and down, and the suction connected to the reactor The incomplete reactants attached to the outlet of the pipeline and the barrel of the spray condenser are scraped off to ensure the smooth flow of the suction channel and the escape channel. [0003] However, if figure 1 , 2 As shown in 3 and 3, the gap between the ribs of the spray condenser scraper and the scraper plate and bearings currently used is small, and the cross-sectional shape of the shaft sleeve and the ribs is rectangular, and the scraper is easy to pull out during operation. A large amount of incomplete reactants accumulate on the scraper disc, and when the scraper moves to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G63/78
Inventor 邱国全张治义肖建国
Owner JIANGSU SHENJIU CHEM FIBER CO LTD
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