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GB/T 18930-2020: Terminology for refractories
Status: Valid GB/T 18930: Evolution and historical versions
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Terminology for refractories
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GB/T 18930-2020
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Terminology for refractories
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PDF similar to GB/T 18930-2020
Basic data | Standard ID | GB/T 18930-2020 (GB/T18930-2020) | | Description (Translated English) | Terminology for refractories | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | Q40 | | Classification of International Standard | 81.080 | | Word Count Estimation | 42,491 | | Date of Issue | 2020-06-02 | | Date of Implementation | 2021-04-01 | | Older Standard (superseded by this standard) | GB/T 18930-2002 | | Adopted Standard | ISO 836-2001, MOD | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | | Summary | This standard specifies terms and definitions related to refractory materials, products, processes, construction, performance and equipment. This standard applies to refractory materials and related industries. | GB/T 18930-2020: Terminology for refractories---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
(Refractory terminology)
ICS 81.080
Q40
National Standards of People's Republic of China
Replace GB/T 18930-2002
Refractory terminology
(ISO 836.2001, MOD)
2020-06-02 release
2021-04-01 Implementation
State Administration of Market Supervision and Administration
Issued by the National Standardization Management Committee
Contents
Foreword I
1 Scope 1
2 Terms and definitions 1
2.1 Raw materials 1
2.2 Product 3
2.3 Process 11
2.4 Construction 12
2.5 Performance 14
2.6 Equipment 23
Index 25
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard replaces GB/T 18930-2002 "Terminology of Refractory Materials". Compared with GB/T 18930-2002, the main technical changes
It is as follows.
--- Increased from 142 terms to 290 terms;
---According to the raw materials, products, processes, construction, performance, equipment, the terms are classified and numbered;
--- Removed terms and definitions such as brick, large brick, slag ball content, silica refractories, slag, and total volume;
--- Revised the terms and definitions of aluminosilicate, refractory ceramic fiberboard, dry material, calcium oxide refractories, silica refractories;
--- Increased oxidation resistance, wear resistance, erosion resistance, refractory mud, particle size distribution, bursting, fluidity, high temperature torsional strength, high temperature resistance
Terms and definitions such as compressive strength and high-temperature tensile strength;
---The index part has been updated.
This standard uses the redrafting method to modify and adopt ISO 836.2001 "Terminology of Refractory Materials".
The technical differences between this standard and ISO 836.2001 and the reasons are as follows.
---Compared with ISO 836.2001, this standard structurally divides Chapter 2 into 6 (see 2.1~2.6); the Chinese and English indexes are added
section.
---Some terms that are not commonly used and do not meet the actual production situation in my country have been deleted, and refractory, brick, large brick, total volume,
Slag ball content, silica refractories, slag, a total of 7 terms and definitions;
---According to my country's basic use and technical conditions, the acid refractory materials, aluminosilicates, alkaline refractory materials, particle volume were modified
Density, refractory ceramic fiber, refractory ceramic fiber board, dead burning, firing, forsterite, spray material, hydration combination, press-in material, magnesium
Sand, no cement castable, obvious cracks, permanent heating line changes, refractory plastics, prefabricated parts, silicon refractory materials, mortar, gas-closed
A total of 21 terms and definitions;
---According to my country's basic usage and technical conditions, increased consistency, acid resistance, thermal expansion coefficient, waste rock, molten nugget, iron skin, iron core,
Coal coke pellets, double-screen refractory raw materials, single-screen refractory raw materials, brucite sand, dense silica, clinker, refractory clay powder, slag balls, alkaline earth silicic acid
Salt fiber, aluminum silicate fiber, polycrystalline fiber, refractory fiber shaped hard products, refractory fiber textiles, asphalt combined refractory products, leaching
Green combined heat treatment refractory products, resin combined refractory products, resin combined heat treatment refractory products, asphalt impregnated refractory products, resistant
Fire mud, clay refractory clay with clinker, raw clay mud, magnesium brick, magnesium aluminum brick, magnesium aluminum spinel brick, ordinary clay brick, dense sticky
Earth bricks, high chrome bricks, ordinary high aluminum bricks, aluminum chrome bricks, carbon refractory materials, ladle bricks, breathable bricks for ladle, skateboard bricks, long nozzles,
Body stopper rod, immersion nozzle, nozzle refractory, ingot refractory, electrofusion recombination refractory, silicon carbide refractory,
Stopper head, unfired brick, zircon refractory material, zirconia refractory material, carbon-containing refractory material, silicon-rich glass phase mullite, molten
Cast refractory materials, sample preparation, samples, test blocks, compression molding, integral refractory structures, rebound materials, masonry, wet building, dry building, pre-building, brick joints,
Horizontal joints, vertical joints, radial joints, transverse joints, circular joints, staggered masonry, expansion joints, arches, vaults, curing, ovens, reverse arches, backstages, arches
Foot brick, door brick, sliding joint, wrong teeth, wrong platform, water absorption rate, erosion layer, penetration layer, erosion depth, penetration depth, sample slag corrosion rate,
Oxidation resistance, refractory ceramic fiber tensile strength, wear resistance, erosion resistance, bonding stability, bonding time, flexural bonding strength,
Particle size distribution, specific resistance, softening temperature, hemispherical temperature, flow temperature, ventilation, bursting, anti-cracking temperature, anti-melting cryolite electricity
Solution erosion, impurity content, fluidity, high temperature dynamic Young's modulus, high temperature torsional strength, torsion temperature, high temperature torsional creep,
Torsion angle, high temperature compressive strength, room temperature tensile strength, high temperature tensile strength, wedge difference, centerline deviation, refractory gas resistance
Corrosion, proportional limit, elastic modulus, homogeneity, isotropy, resonance frequency, bending vibration, node, anti-node, plane bending,
Vertical bending, angle of repose, hydration resistance, permeability of refractories, reburning test, setting time, shrinkage, fracture energy, long characteristic
Degree, fracture toughness, flexibility, residual strength, specific heat capacity, rate of change of fiber shrinkage line, Poisson's ratio, pore size distribution, resistance to glass melting
Liquid erosion, vacuum resistance, abrasion media, water content, jaw crusher, jet mill, vibrating screen, mixing mill, friction brick press, electric
Screw presses, hydraulic presses, isostatic presses, tunnel kilns, electric arc furnaces, a total of 157 terms and definitions.
This standard was proposed and managed by the National Technical Committee for Standardization of Refractory Materials (SAC/TC193).
This standard was drafted by. Metallurgical Industry Information Standards Research Institute, Wuhan University of Science and Technology, Sinosteel Luoyang Refractories Research Institute Co., Ltd.
Division, China Metallurgical Coking (Dalian) Engineering Technology Co., Ltd., Henan Ruitai Refractories Technology Co., Ltd., Beijing University of Science and Technology, Beijing United Rongda
Engineering Materials Co., Ltd., Yixing Refractory Co., Ltd., Ruitai Technology Co., Ltd.
The main drafters of this standard. Li Yiwei, Ge Shan, Peng Xigao, Wang Xiaoyuan, Baicheng, Yin Yucheng, Hou Xinmei, Wang Juntao, Zhang Ronghui, Liu Jie,
Chen Songlin, Xu Jilong, Wang Enhui, Liu Zhiqiang, Wang Chen, Zhai Yaojie, Song Lianzu, Chen Junhong, Zhu Qingyou, Liu Shifan, Deng Lerui.
The previous versions of the standard replaced by this standard are as follows.
---GB/T 18930-2002.
Refractory terminology
1 Scope
This standard defines the terms and definitions related to refractory materials, products, processes, construction, performance, and equipment.
This standard applies to refractory materials and related industries.
2 Terms and definitions
2.1 Raw materials
2.1.1
Aggregate; grain
The part of particles in the refractory component usually refers to coarse particles.
2.1.2
Alumino-silicate
Material with alumina and silica as main components.
2.1.3
Anti-oxidant
Metals or other substances added to improve the oxidation resistance of carbon-containing refractories.
2.1.4
Binder
It is added to non-plastic granules or fibrous materials to make it have workability and green strength or dry strength.
2.1.5
Chromite
The main component is a cubic crystal structure formed by chromium trioxide and divalent, ferric and other metal oxides and the chemical composition is suitable for
As a raw material for refractories.
2.1.6
Deflocculant;deflocculatingagent
It can disperse the fine powder in the material and avoid agglomerated additives.
2.1.7
Dolomite clinker doloma
The carbonate or hydroxide of natural or synthetic magnesium and calcium is calcined to form a dense and uniform mixture of calcium oxide and magnesium oxide.
2.1.8
Fines
The fine part of the refractory ingredients.
2.1.9
Hard clay flintclay
A natural kaolinite barren material with a hard texture similar to flint and a shell-like fracture.
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