GB/T 18257-2000 English PDF (GBT18257-2000)

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GB/T 18257-2000: Refractory bricks for use in rotary kilns. Hot-face identification marking
GB/T 18257-2000
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 81.080
Q 40
eqv ISO 9205:1988
Refractory bricks for use in rotary kilns - Hot-face
identification marking
ISSUED ON: NOVEMBER 17, 2000
IMPLEMENTED ON: JUNE 01, 2001
Issued by: the Quality and Technology Supervision Bureau
Table of Contents
Foreword ... 3 
ISO Foreword ... 4 
1 Scope ... 5 
2 Normative references ... 5 
3 Technical requirements ... 5 
4 "Notch" system ... 5 
5 Marking by color coding ... 7 
Foreword
This Standard identically adopts international standard ISO 9205:1988
“Refractory bricks for use in rotary kilns - Hot-face identification marking”.
This Standard was proposed by National Bureau of Metallurgical Industry.
This Standard shall be under the jurisdiction of National Technical Committee
on Refractory of Standardization Administration of China.
Main drafting organizations of this Standard: China Academy of Building
Materials Science.
The drafting organizations of this Standard: State-owned Yixing Refractory
Equipment Factory, State-owned Xinmi Refractory Material Factory.
Main drafters of this Standard: Wu Bei, Wang Xiaogang, Zheng Huazhen, Zhai
Yaojie, Jin Liehuo, Bai Xuesong, Wang Huizhou.
Refractory bricks for use in rotary kilns - Hot-face
identification marking
1 Scope
This Standard specifies hot-face identification marking for refractory bricks for
use in rotary kilns.
This Standard is applicable to the identification marking for simply and quickly
checking whether the wedge-shaped refractory bricks are built in the correct
direction and the refractory bricks used for different kiln diameters.
2 Normative references
The following standards contain provisions which, through reference in this
Standard, constitute provisions of this Standard. At the time of publication, the
editions indicated are valid. All standards are subject to revision. The parties
who are using this Standard shall explore the possibility of using the latest
version of the following standards.
GB/T17912-1999, Refractory bricks for rotary kilns - Dimensions (neq ISO
5417:1986)
3 Technical requirements
The "notch" system (clause 4) shall be used as the principal method of marking.
The colour coding system (clause 5) shall be used as an additional extra system
where requested.
NOTE: The need for colour coding should be agreed between manufacturer and purchaser.
4 "Notch" system
4.1 Types of notch
Each notch shall be distinct and shall penetrate into the brick so that it is easily
recognized. The notches shall have rounded edges. Three types of notches are
illustrated in Figure 1, and one of these types shall be used. The dimensions of
the notch are not critical.