Unlock instant, AI-driven research and patent intelligence for your innovation.

Method and device for drying and crystallizing granulate

A particle and drying technology, which is applied in lighting and heating equipment, drying solid materials, drying gas arrangement, etc., can solve the problems of not being used and exhaust gas not being used further, and achieve the effect of saving energy and reducing operating costs

Active Publication Date: 2015-02-25
马格自动化有限责任公司
View PDF7 Cites 1 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, this method is not suitable for applications that do not use a delay silo, or where the delay silo is operated in a location that is different from, and remote from, the location where the granules are dried
Furthermore, the exhaust gas from the pre-dryer or jet condenser is not used further, so the heat energy contained therein remains unused

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Method and device for drying and crystallizing granulate
  • Method and device for drying and crystallizing granulate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0029] figure 1 Shown is a functional diagram of an embodiment of a plant 10 for continuous drying and rinsing of granules with crystallization water, having a dryer 20 , a dryer / crystallizer 30 and an air conditioning device 40 . The dryer 20 is preferably a centrifugal dryer 20 .

[0030] like figure 1 As shown in , the water rinsed granules 11 are conveyed to a centrifugal dryer 20 . In the centrifugal dryer, water is separated off and can be discharged as waste water 23 . The granules are subjected to preliminary drying in the centrifugal dryer 20 and are discharged from the centrifugal dryer 20 as pre-dried granules 21 to be conveyed to the dryer / crystallizer 30 .

[0031] In the dryer / crystallizer 30 the particles are finally dried and crystallized to the desired final semi-crystalline value for discharge from the dryer / crystallizer 30 as crystalline particles 31 .

[0032] The air conditioning unit 40 generates a flow of temperature-controlled and humidity-condition...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to a method and a device for continuously drying and crystallizing granulate which is flushed with water. The method has the steps of feeding granulate (11) which is flushed with water into a pre-dryer (20); pre-drying the granulate in the pre-dryer; conveying the pre-dried granulate (21) into a dryer / crystallizer (30); and dispensing crystallized granulate (31) out of the dryer / crystallizer. Air conditioning means (40) generate air (42) which is temperature-controlled and the degree of humidity of which is conditioned, and said air is fed to the dryer / crystallizer. The exhaust air (32) of the dryer / crystallizer is fed to the pre-dryer, and the exhaust air (22) of the pre-dryer is returned to the air conditioning means such that a closed air circuit is formed by the dryer / crystallizer, pre-dryer, and the air-conditioning means.

Description

technical field [0001] The present invention relates to a method and apparatus for drying and crystallizing water rinsing particles. Background technique [0002] A method and an apparatus for continuously crystallizing polyester granules are known from document EP0379684, in which the polyester granules pass through two fluidized beds connected in series. The first fluidized bed is an ebullated bed, and the second fluidized bed is a circulating fluidized bed. The incoming stream of amorphous particles is heated and pre-crystallized by vigorous motion in the ebullating bed and mixed with the crystalline material present. Heated air or an inert gas such as nitrogen is used as fluidizing gas. Exhaust from the ebullated bed escapes upwards and can be recirculated back to the ebullated bed. The flow of particles exiting the ebullated bed enters a circulating fluidized bed with channel-like receivers arranged at the bottom with perforated plates. The exhaust gas from the circ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): B29B9/16
CPCB29B9/065B29B2009/165F26B17/00B29B9/16F26B17/02F26B3/02F26B21/004
Inventor 斯蒂芬·戴斯
Owner 马格自动化有限责任公司