Improved pulper vertical pipe

A refiner and standpipe technology, applied in pulp beating/refining method, textile and papermaking, fiber raw material processing, etc., can solve problems such as clogging equipment, large temperature difference between inside and outside refiner standpipe, affecting papermaking process, etc.

Inactive Publication Date: 2018-03-09
顾亚萍
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the temperature in the standpipe of the refiner is much higher than the working environment temperature, the temperature difference between the inside and outside of the standpipe of the paper refiner is large, and a large amount of condensed water will be formed on the inner wall of the standpip

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
  • Improved pulper vertical pipe

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0011] Example 1

[0012] like figure 1 As shown, this embodiment provides an improved standpipe for a refiner, including a hollow cylindrical standpipe body 7, the upper end of the standpipe body 7 is connected with an upper flange 1 connected to the refiner, and the standpipe pipe The lower end of the body 7 is connected with a lower flange 6 which is connected with the screw feeder, and the connection between the upper flange 1 and the lower flange 6 and the riser pipe body 7 is provided with a gasket, and the riser pipe body 7 is provided with a gasket. The inner wall is provided with an interlayer, and a spirally arranged hot water pipe 4 is arranged in the interlayer for introducing hot water. The upper end and the lower end of the hot water pipe 4 are respectively provided with a water inlet 3 and a water outlet 5. The temperature of 80 degrees Celsius The hot water enters from the water inlet 3 and is discharged from the water outlet 5, which effectively ensures that ...

Example Embodiment

[0013] Example 2

[0014] This embodiment provides an improved standpipe for a refiner, comprising a hollow cylindrical standpipe body 7 , an upper flange 1 connected to the refiner is connected to the upper end of the standpipe body 7 , and the lower end of the standpipe body 7 is Connected with the lower flange 6 connected with the screw feeder, the connection between the upper flange 1 and the lower flange 6 and the riser pipe body 7 is provided with a sealing gasket, and the inner wall of the riser pipe body 7 is provided with a gasket. In the interlayer, a spirally arranged hot water pipe 4 is arranged in the interlayer for introducing hot water. The upper end and the lower end of the hot water pipe 4 are respectively provided with a water inlet 3 and a water outlet 5 . The position of the water inlet 3 is provided with a first temperature sensor 2, which is used to measure the temperature of the water inlet online.

Example Embodiment

[0015] Example 3

[0016] This embodiment provides an improved standpipe for a refiner, comprising a hollow cylindrical standpipe body 7 , an upper flange 1 connected to the refiner is connected to the upper end of the standpipe body 7 , and the lower end of the standpipe body 7 is Connected with the lower flange 6 connected with the screw feeder, the connection between the upper flange 1 and the lower flange 6 and the riser pipe body 7 is provided with a sealing gasket, and the inner wall of the riser pipe body 7 is provided with a gasket. In the interlayer, a spirally arranged hot water pipe 4 is arranged in the interlayer for introducing hot water. The upper end and the lower end of the hot water pipe 4 are respectively provided with a water inlet 3 and a water outlet 5 . The position of the water outlet 5 is provided with a second temperature sensor 8, which is used to measure the temperature of the water outlet online.

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 an improved standpipe of a refiner, which comprises a hollow cylindrical standpipe body, the upper end of the standpipe body is connected with an upper flange connected with the refiner, and the lower end of the standpipe body is connected with a screw feeder. The lower flange connected to the feeder, the joints between the upper flange and the lower flange and the standpipe body are provided with gaskets, the inner wall of the riser pipe is provided with interlayers, and a spiral arrangement is arranged in the interlayers. The hot water pipe is used for passing in hot water, and the upper end and the lower end of the hot water pipe are respectively provided with a water inlet and a water outlet. In the present invention, a hot water circulation system is arranged on the inner wall of the standpipe of the refiner, and the standpipe of the refiner is insulated with hot water, which prevents the formation of condensed water due to the temperature difference between the inside and outside, thereby solving the problem of fiber falling and affecting the papermaking process.

Description

technical field [0001] The invention relates to the field of papermaking machinery, in particular to an improved standpipe of a refiner. Background technique [0002] The refiner is used to divide, cut, knead and rub the fiber raw material to make a slurry. The standpipe of the refiner is vertically arranged between the refiner and the screw feeder, and the slurry with a temperature of about 80 degrees Celsius enters the screw feeder through the standpipe of the refiner under the action of gravity. Since the temperature in the standpipe of the refiner is much higher than the working environment temperature, the temperature difference between the inside and outside of the standpipe of the paper refiner is large, and a large amount of condensed water will be formed on the inner wall of the standpipe of the refiner, and the fibers splashed during the falling of the slurry will adhere On the inner wall of the refiner standpipe, when the slurry accumulates enough weight to fall ...

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
IPC IPC(8): D21D1/20
CPCD21D1/20
Inventor 顾亚萍
Owner 顾亚萍
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap