Method for manufacturing sugarcane pressing roll

A technology for pressing rollers and sugar cane, which is applied in the direction of extracting juice from sugar cane, etc., can solve the problems that the material and structure cannot meet the technical requirements and the best requirements, and achieve the sensitivity of acid-resistant section, not easy to crack and damage, and small oxidative growth. Effect

Active Publication Date: 2014-10-08
广西南宁市中高糖机设备制造有限公司
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  • Summary
  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Since many improvements have been made to the sugarcane press rollers, the hardness, acid resistance, wear resistance, and juice discharge rate of the sugarcane press rollers have been greatly improved compared with those in the 1970s and 1980s.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] A kind of manufacture method of sugarcane press roller, its processing method is as follows:

[0033] 1. Using vermicular graphite cast iron as raw material, the chemical composition and weight percentage of the vermicular graphite cast iron raw material are: rare earth 0.05% to 0.2%; C 3.4% to 3.6%; Si 2.4% to 3.0%; Mn0.4 %~0.6%; S<0.06%; P<0.07%; the rest is Fe, cast roller billet, smelted with 15 tons / h, two rows of large-space cold air cupolas, poured in 10t ladle and 20t ladle, vermicular ink The casting temperature of cast iron is 1460-1500°C, the casting sand used is resin sand, and the pouring temperature is 1300-1320°C.

[0034] 2. The outer circle and two ends of the rough turning roller shell blank;

[0035] 3. Coarse and fine boring the inner hole of the press roll shell;

[0036] 4. The shell of the press roller is drilled with the axial hole, and it adopts high-pressure water cooling and cutting process from the inner hole in the center of the drill bit....

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PUM

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Abstract

The invention aims to provide a method for manufacturing a pressing roll of a sugarcane press. The method is characterized by comprising the following process steps: (1) by adopting vermicular graphite cast iron as a raw material, casting a shell blank of the pressing roll; (2) carrying out rough turning on the top circle and two ends of the roll shell blank; (3) carrying out rough and fine boring on an inner bore of the pressing roll shell; (4) carrying out deep drilling on axial lotus holes of the pressing roll shell; (3) installing internal threads on juice blocking rings at the drilling end and tapping end of the pressing roll shell; (6) thermally sleeving the roll shell on a pressing roll shaft; (7) carrying out fine turning on the top circle and length of the pressing roll shell and turning V-shaped insections; (8) drilling slant radial juice collecting holes in the tank bottom of the V-shaped insections of the pressing roll; (9) milling large herringbone grooves in the circumference of the tooth crest of the pressing roll shell. The method provided by the invention has the advantages that the strength of the pressing roll of the sugarcane press is well satisfied; the capability and efficiency of carrying bagasse materials in the pressing process are increased; the performances of juice yield and the like of sugarcane pressing are increased.

Description

technical field [0001] The invention relates to a manufacturing method of sugar squeezing equipment in a sugarcane sugar refining enterprise, in particular to a manufacturing method of sugarcane squeezing rollers. Background technique [0002] The press roller of the sugarcane press machine is an important part installed on the press machine. The press machine is an important mechanical equipment in the sugar factory. Farmers harvest the sugarcane from the field and transport it to the sugar factory. First, the sugarcane must be pressed to extract the juice and enter the filter Clarification, heating and concentration, sugar boiling and crystallization and separation can get the final product—white sugar. Since sugarcane is rich in fibrous substances and sugarcane juice has a certain acidity, the pressing roller must meet several conditions in the process of squeezing sugarcane: (1) The pressing roller shell must be high in hardness and wear-resistant; (2) The material m...

Claims

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Application Information

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IPC IPC(8): C13B10/06
Inventor 钟华
Owner 广西南宁市中高糖机设备制造有限公司
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