Title:
LINING BOARD FOR LARGE-SCALE BALL MILL AND METHOD FOR HEAT TREATMENT THEREOF
Document Type and Number:
WIPO Patent Application WO/2012/075919
Kind Code:
A1
Abstract:
The present invention is a lining board for a large-scale ball mill and a method for heat treatment thereof； the chemical composition of the lining board in mass percent is: 0.26-0.35 C, 3.5-4.2 Cr, 2.8-3.2 Mn, 1.2-1.5 Si, 0.002-0.005 B, 0.05-0.10 Ti, 0.04-0.08 Zr, 0.15-0.25 V, 0.30-0.40 Nb, 0.05-0.10 Ba, 0.02-0.06 Ca, 0.08-0.12 Re, 0-0.03 S, 0-0.04 P, with the balance being Fe. The lining board of the present invention is smelted and cast, followed by being oil-hardened, and then treated by tempering at 200-230°C. The lining board of the present invention has high strength and hardness, excellent toughness and wear-resistance, and relatively low cost and good effect.
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Inventors:
TIAN YUTIE (CN)
YIN ENSHENG (CN)
FU HANGUANG (CN)
YIN ENSHENG (CN)
FU HANGUANG (CN)
Application Number:
PCT/CN2011/083494
Publication Date:
June 14, 2012
Filing Date:
December 06, 2011
Export Citation:
Assignee:
BAOSTEEL GROUP XINJIANG NO EIGHT ONE IRON AND STEEL COMPANY LTD (CN)
TIAN YUTIE (CN)
YIN ENSHENG (CN)
FU HANGUANG (CN)
TIAN YUTIE (CN)
YIN ENSHENG (CN)
FU HANGUANG (CN)
International Classes:
C22C38/32; B02C17/22; C22C33/06
Foreign References:
| CN101988174A | 2011-03-23 | |||
| US5123970A | 1992-06-23 | |||
| JPS60247036A | 1985-12-06 | |||
| CN101173343A | 2008-05-07 | |||
| CN1099075A | 1995-02-22 |
Attorney, Agent or Firm:
URUMQI XINKELIAN PATENT AGENCY(COMPANY LTD) (CN)
乌鲁木齐新科联专利代理事务所（有限公司） (CN)
乌鲁木齐新科联专利代理事务所（有限公司） (CN)
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Claims: