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高辐射覆层节能技术规范
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GBT 33785-2017
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标准编号: GB/T 33785-2017 (GB/T33785-2017)
中文名称: 高辐射覆层节能技术规范
英文名称: Specification for high radiative coating energy-saving technology
行业: 国家标准 (推荐)
中标分类: H04
国际标准分类: 77-010
字数估计: 7,797
发布日期: 2017-05-31
实施日期: 2018-02-01
引用标准: GB/T 31934; GB/T 32287; YB/T 134; YB/T 4313
起草单位: 山东慧敏科技开发有限公司、冶金工业信息标准研究院
归口单位: 全国钢标准化技术委员会(SAC/TC 183)
提出机构: 中国钢铁工业协会
发布机构: 中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会
范围: 本标准规定了高辐射覆层节能技术的术语和定义、原理、适用条件、技术要求、节能指标和效果评价。本标准适用于冶金、焦化、石化、电力、热力等行业的工业炉窑，其他行业炉窑也可参照使用。
GB/T 33785-2017: 高辐射覆层节能技术规范
GB/T 33785-2017 英文名称: Specification for high radiative coating energy-saving technology
1 范围
本标准规定了高辐射覆层节能技术的术语和定义、原理、适用条件、技术要求、节能指标和效果评价。
本标准适用于冶金、焦化、石化、电力、热力等行业的工业炉窑,其他行业炉窑也可参照使用。
2 规范性引用文件
下列文件对于本文件的应用是必不可少的。凡是注日期的引用文件,仅注日期的版本适用于本文
件。凡是不注日期的引用文件,其最新版本(包括所有的修改单)适用于本文件。
GB/T 31934 高辐射覆层蓄热量的测定与计算方法
GB/T 32287 高炉热风炉热平衡测定与计算方法
YB/T 134 高温红外辐射环保型涂料
YB/T 4313 钢铁行业蓄热式工业炉窖热平衡测试与计算方法
3 术语和定义
下列术语和定义适用于本文件。
3.1
高辐射覆层节能技术
经细化研磨至中位径小于20μm制成的高辐射覆层材料,涂覆于经界面改性处理的基体材料表
面,形成与基体牢固结合的抗高温氧化的覆层,强化辐射传热,提高炉窑热效率的节能技术。
3.2
高辐射覆层材料
高发射率粉体与高温黏结剂复合制成的材料。
3.3
蓄热能力
在设定的温度和规定的时间条件下,蓄热体所吸收的热量。
4 原理
将高辐射覆层材料涂覆在炉窑相应部位上,基体材料表面发射率提高,高温环境下基体表面与气体
间的辐射传热得到强化,炉窑能效提升。
5 适用条件
5.1 适用原则
应用高辐射覆层节能技术应符合以下条件:
a) 基体表面应坚实不易剥落,无釉化,无油污;
b) 覆层不宜与液态、固态物料或水蒸气接触;
c) 覆层工作温度宜在300℃~1700℃。
5.2 适用炉窑
5.2.1 常用炉窑
常用高辐射覆层节能技术的炉窑类别及涂覆部位见表1。
5.2.2 其他炉窑
适用原则内的其他炉窑的涂覆部位参照表1执行。
6 技术要求
6.1 高辐射覆层材料
高辐射覆层材料应符合YB/T 134的规定。
6.2 施工
6.2.1 施工准备
6.2.1.1 作业环境
作业环境应符合以下要求:
a) 防雨、通风;
b) 环境温度0℃以上。
6.2.1.2 材料准备
根据基体材质、涂覆面积、涂覆方式等因素,确定高辐射覆层材料类型、用量和高温黏结剂用量。
6.2.2 施工工艺
6.2.2.1 流程
炉窑涂覆流程见图1,蓄热体涂覆流程见图2。
6.2.2.2 基体表面清理
根据炉型和基体材质选择合适的基体表面清理方法见表2。清理后,基体表面不应有灰尘、金属锈斑或其他附着不牢固的物体。
6.2.2.3 前处理
前处理应符合以下要求:
a) 按工艺要求配制前处理液;
b) 喷涂配制好的前处理液于基体表面,喷涂参数见表3;
c) 前处理液喷涂在基体表面应均匀;
d) 前处理完成后,应晾干至基体表面无水迹,再进行高辐射覆层材料涂覆。
6.2.2.4 涂覆
涂覆应符合以下要求:
a) 涂覆前,将高辐射覆层材料搅拌均匀;
b) 根据不同炉窑及部位选择适宜的涂覆方法,涂覆方法及工艺要求见表4;
c) 基体表面应涂覆均匀,工作面上不应有单块面积大于200mm2 未涂斑块;
d) 基体材料为格子砖时,涂覆完成后,沥干至基体表面无滴落,再整齐码放至预定位置,并在原色
标位置重新刷涂相同色标;
e) 基体材料为蓄热球时,涂覆完成后,应迅速转移至包装袋内。
7 节能指标
7.1 蓄热体蓄热能力指标
蓄热体采用高辐射覆层节能技术,耐材基体试样在1200℃下加热3min,蓄热能力应提高不小
于10%。
7.2 炉窑节能指标
8 效果评价
8.1 蓄热能力检测
按照GB/T 31934进行检测。
8.2 节能效果检测
节能效果按以下方法检测:
a) 采用高辐射覆层节能技术的炉窑与建设时间相近、炉型相同、工况相同的未采用高辐射覆层节能技术的炉窑作对比。
b) 高炉热风炉热平衡检测应按照 GB/T 32287规定进行;其他炉窑参照 GB/T 32287或
GB/T 33785-2017
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 77-010
H 04
Specification for High Radiative
Coating Energy-Saving Technology
ISSUED ON. MAY 31, 2017
IMPLEMENTED ON. FEBRUARY 1, 2018
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine;
Standardization Administration of PRC.
3. No action is required - Full-copy of this standard will be automatically &
immediately delivered to your EMAIL address in 0~60 minutes.
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative References ... 4
3 Terms and Definitions ... 4
4 Principle ... 5
5 Applicable Conditions ... 5
6 Technical Requirements ... 6
7 Energy-Saving Indicator ... 8
8 Effect Assessment ... 9
Foreword
This Standard was drafted as per the rules specified in GB/T 1.1-2009.
This Standard was proposed by China Iron and Steel Industry Association.
This Standard shall be under the jurisdiction of National Technical Committee for
Standardization of Steel (SAC/TC 183).
Drafting organizations of this Standard. Shandong Huimin Science & Technology Co.,
Ltd., and China Metallurgical Information and Standardization Institute.
Chief drafting staffs of this Standard. Zhou Huimin, Zhang Shaoqiang, Wang Jiangwei,
Qiu Jinhui, Liu Changfu, Di Yanfei, Yang Xiuqing, Sun Chuansheng, and Liu Yizhou.
Specification for High Radiative
Coating Energy-Saving Technology
1 Scope
This Standard specifies the terms and definitions, principle, applicable conditions,
technical requirements, energy-saving indicator and effect assessment of high
radiative coating energy-saving technology.
This Standard is applicable to the industrial furnaces in the metallurgical, coking,
petrochemical, power, heat, and the like industries; other industries’ furnace can use
this standard for reference.
2 Normative References
The following documents are essential to the application of this document. For the
dated documents, only the versions with the dates indicated are applicable to this
document; for the undated documents, only the latest version (including all the
amendments) are applicable to this document.
GB/T 31934 Measuring and Calculation Method for Heat Storage Capacity of High
Radiative Coating
GB/T 32287 Methods of Determination and Calculation of Heat Balance for Hot
Blast Stove and Blast Furnace
YB/T 134 Infrared Radiation Coatings at High Temperature
YB/T 4313 Methods of Determination and Calculation of Heat Balance in
Regenerative Furnace of Iron and Steel Industry
3 Terms and Definitions
The following terms and definitions are applicable to this document.
3.1 High radiative coating energy-saving technology
The energy-saving technology to improve the heat efficiency of furnace by the high
radiative coating material through finely ground to a medium diameter of less than
20µm; is coated on the surface of base material through interface modified treatment;
and forms the high-temperature-oxidation-resistant coating firmly combining with base.
3.2 High radiative coating material
The materials composite made between the high emissivity powder and high
temperature binder.
3.3 Heat storage capacity
Under the setting temperature and specified time conditions, the heat absorbed by the
heat-retainer.
4 Principle
When the high radiative coating material is coated on the corresponding part of the
transferring between the base surface and gas under high temperature is strengthened;
and energy efficiency of furnace is improved.
5 Applicable Conditions
5.1 Applicable principle
The application of high radiative coating energy-saving technology shall satisfy the
following conditions.
a) The base surface shall be solid, hard to peel off, no glaze, no oil stains;
b) Coating shall not contact liquid, solid materials or water vapor;
c) Working temperature of coating shall be at 300°C~1700°C.
5.2.1 Common furnace
The types and coating parts of the common furnace adopting high radiative coating
energy-saving technology can refer to Table 1.
Table 1 -- High Radiative Coating Energy-Saving Technology Applicable Furnace and Coating Parts
Industries Furnace Types Coating Parts
Metallurgy Blast furnace hot-blast stove Surface of heat-retainer in heat storage room Steel-rolling heating furnace Inner wall of furnace, surface of heat-retainer
Coking Coke oven Inner wall of vertical flue, surface of heat-retainer in heat
4 Petrochemical Tube heating furnace 2.0 Entire inner wall of radiative room, outer surface of furnace tube
5 Power, heat Boiler 2.0 Entire inner wall of radiative room, outer surface of wall-cooling wall tube
8.1 Test of heat storage capacity
It shall be tested as per GB/T 31934.
8.2 Test of energy-saving effect
a) Compared the furnace adopting high radiative coating energy-saving technology
with the furnace not adopting high radiative coating energy-saving technology but
has the same furnace type, the same working condition.
b) The heat balance test of blast furnace hot-blast stove shall be implemented as per
the provisions of GB/T 32287; other furnaces shall refer to GB/T 32287 and YB/T
4313 to test.
be calculated as per Formula (1).
Where.
η – energy-saving rate of high radiative coating energy-saving technology;
Bw – fuel consumption per unit production of the furnace not adopting high radiative
coating energy-saving technology, in m3/m3, or m3/t, or t/t;
Bt – fuel consumption per unit production of the furnace adopting high radiative coating
energy-saving technology, in m3/m3, or m3/t, or t/t;
NOTE. when furnace product and fuel are both gas, the unit is m3/m3; when furnace product is
solid or liquid, while fuel is gas, the unit is m3/t; when furnace product is solid or liquid, while
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