标准编号:	GB/T 14295-2019
中文名称:	空气过滤器
英文名称:	Air filter
中标分类:	P48    通风、空调工程
行业分类:	GB    国家标准
ICS分类:	91.140.30 91.140.30    通风和空调系统 91.140.30
发布机构:	国家市场监督管理总局 国家标准化管理委员会
发布日期:	2019-06-04
实施日期:	2020-5-1
标准状态:	valid
替代旧标准:	GB/T 14295-2008 空气过滤器
翻译语言:	英文
文件格式:	PDF
中文字符数:	25000 字
翻译价格(元):	1500.0
交付时间:	付款后 1 个工作日

Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative. SAC/TC 143 is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative. This standard is developed in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 14295-2008 Air filters, and the following main technical changes have been made with respect to GB/T 14295-2008: ——Product classification and designation methods are modified; ——The requirements and test methods for the cleaning efficiency for PMx efficiency are added; ——The requirements and test methods for rated power and working voltage of electric air filter are added; ——The requirements for the ozone concentration increment limit of electric air filter are modified; ——The requirements for test instruments are added; ——The requirements for the performance of test devices for air filter are added; ——The test method for electrostatic elimination of air filter is added; ——The requirements for standard test dust for dust holding capacity test of air filter are modified and the dust holding capacity limit is added. This standard was proposed by the Ministry of Housing and Urban-Rural Development of the People's Republic of China. This standard is under the jurisdiction of the National Technical Committee on HVAC and Purification Equipment of Standardization Administration of China (SAC/TC 143). The previous editions of this standard are as follows: ——GB/T 14295-1993 and GB/T 14295-2008. Air filter 1 Scope This standard specifies terms and definitions, classification and designation, general requirements, requirements, test methods, inspection rules as well as marking, packaging, transportation and storage of air filters. This standard is applicable to air filters for ventilation, air conditioning and air purification systems or equipment. This standard is not applicable to high-efficiency air filters or superior ones. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the normative document (including any amendments) applies. GB/T 191 Packaging - Pictorial marking for handling of goods GB/T 1019 General requirements for the package of household and similar electrical appliances GB/T 1236 Industrial fans - Performance testing using standardized airways GB/T 2828.1 Sampling procedures for inspection by attributes - Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection GB 4706.1 Household and similar electrical appliances - Safety- Part 1: General Requirements GB 8624 Classification for burning behavior of building materials and products GB/T 18204.2 Examination methods for public places - Part 2: Chemical pollutants GB 50243 Code of acceptance for construction quality of ventilation and air conditioning works JG/T 404 Air filter media 3 Terms and definitions For the purpose of this standard, the following terms and definitions apply. 3.1 air filter the equipment for removing particulate matters (PMs) in the air by filtration, adhesion, charge trapping, etc. 3.2 electric air filter a type of air filter for removing the PMs in the air by using dust collection plate to trap the PMs which have been charged by applying high-voltage electrostatic field 3.3 rated air flow the volume flow of air passing through the air filter in nominal unit time under standard air condition 3.4 face velocity the ratio of the volume flow rate of air passing through the air filter vertically to the area of the section for ventilation 3.5 initial resistance the static pressure loss of air filter operating at rated air flow in initial state 3.6 final resistance a specified static pressure loss value reached by the air filter after increasing due to collection of standard test dust at rated air flow 3.7 particle size geometrical diameter of PMs measured by optical or aerodynamic equivalent methods 3.8 efficiency the capacity of air filter for removing PMs in the circulating air at rated air flow, i.e. the ratio of the concentration difference between PMs at the upwind side and downwind side to the concentration of PMs at the upwind side 3.9 counting efficiency the efficiency of the air filter to remove PMs with particular optical particle size or particle size range in the circulating air at rated air flow 3.10 arrestance efficiency the efficiency of air filter to remove the standard test dust in circulating air at rated air flow in mass 3.11 cleaning efficiency for PMx the efficiency of air filter to remove the PMs with aerodynamic equivalent particle size less than or equal to x μm in the circulating air at rated air flow in mass 3.12 dust holding capacity the total mass of standard test dust collected where the air filter reaches final resistance at rated air flow 3.13 rated power the input power of electric air filter working at rated air flow in initial state 3.14 working voltage the ionization voltage and the dust collection voltage of the electric air filter during working in the initial state 4 Classification and designation 4.1 Classification 4.1.1 According to the efficiency level, air filters can be classified into low efficiency filter, medium efficiency filter, high-medium efficiency filter and sub-high efficiency filter, coded as C, Z, GZ and YG respectively. Among them, the low efficiency filters can be classified into low efficiency 1 ones, low efficiency 2 ones, low efficiency 3 ones and low efficiency 4 ones, coded as C1, C2, C3 and C4 respectively. The medium efficiency filters can be classified into medium efficiency 1 ones, medium efficiency 2 ones and medium efficiency 3 ones, coded as Z1, Z2 and Z3 respectively. 4.1.2 According to the structure type, air filters can be classified into flat-plate type, bag type, pleated type, moving curtain type, cartridge type, pole plate type and honeycomb type, coded as PB, DS, ZZ, JR, TS, JB and FC respectively. 4.2 Designation Example 1: An air filter of medium efficiency 2, bag type, with overall dimension of 592 mm×592 mm×600 mm and rated air flow of 3,400 m3/h, designated as K-Z2-DS-592×592×600-3400. Example 2: An air filter of low efficiency 3, flat-plate type, with overall dimension of 610 mm×610 mm×80 mm and rated air flow of 2,000 m3/h, designated as K-C3-PB-610×610×80-2000. Note: The representation principle for overall dimension of filters: with air flow direction as the depth, and the vertical length and the horizontal length of the section perpendicular to the air flow direction as height and width respectively. 5 General requirements 5.1 The application of air filters shall meet the environmental protection and fire resistance requirements of the site. 5.2 Electric air filters shall meet the following requirements: a) Single-phase rated voltage shall not be greater than 250 V, three-phase rated voltage shall not be greater than 480 V and the rated frequency shall be 50 Hz; b) Power-off protection shall be arranged to ensure automatic power-off of internal devices during repair or maintenance after opening unit structure; c) The electrical safety performance shall meet the relevant requirements of GB 4706.1. 5.3 Air filter media shall meet the relevant requirements of JG/T 404. 5.4 The shear strength and tensile strength of binders for air filter shall not be less than those of the media; and the temperature resistance of binders shall be the same as that of the media. 5.5 The sealant for air filters shall be able to ensure that the filters are free from crack and degumming with elasticity during operation at maximum operating air flow or final resistance, and the temperature resistance and humidity resistance of the sealant shall be the same as those of the media.

Foreword I 1 Scope 2 Normative references 3 Terms and definitions 4 Classification and designation 5 General requirements 6 Requirements 7 Test methods 8 Inspection rules 9 Marking, packaging, transportation and storage Annex A (Normative) Test methods for resistance, counting efficiency and cleaning efficiency for PMx of air filter Annex B (Normative) Test methods for arrestance efficiency and dust holding capacity of air filter Annex C (Normative) Test method for electrostatic elimination of air filter Annex D (Normative) Test method for ozone concentration increment of electric air filter

空气过滤器 1 范围 本标准规定了空气过滤器的术语和定义、分类与标记、一般要求、要求、试验方法、检验规则、标志、包装、运输和贮存。 本标准适用于通风、空气调节和空气净化系统或设备用空气过滤器。 本标准不适用于高效及以上级别的空气过滤器。 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 191 包装储运图示标志 GB/T 1019 家用和类似用途电器包装通则 GB/T 1236工业通风机用标准化风道性能试验 GB/T 2828.1 计数抽样检验程序 第1部分：按接收质量限(AQL)检索的逐批检验抽样计划 GB 4706.1家用和类似用途电器的安全 第1部分：通用要求 GB 8624建筑材料及制品燃烧性能分级 GB/T 18204.2公共场所卫生检验方法 第2部分：化学污染物 GB 50243 通风与空调工程施工质量验收规范 JG/T 404空气过滤器用滤料 3 术语和定义 下列术语和定义适用于本文件。 3.1 空气过滤器air filter 采用过滤、粘附或荷电捕集等方法去除空气中颗粒物的设备。 3.2 静电式空气过滤器 electric air filter 采用高压静电场使颗粒物荷电之后，再被集尘板捕集的以实现去除空气中颗粒物含量的空气过滤器。 3.3 额定风量 rated air flow 在标准空气状态下，空气过滤器在标称的单位时间内通过的空气体积流量。 3.4 迎面风速 face velocity 垂直通过空气过滤器的空气体积流量与其空气流通截面面积之比。 3.5 初阻力initial resistance 在初始状态下，空气过滤器在额定风量下的静压损失。 3.6 终阻力 final resistance 在额定风量下，空气过滤器由于捕集标准试验尘而使其静压损失上升并达到的规定值。 3.7 粒径 particle size 采用光学或空气动力学等效方法测出的颗粒物几何直径。 3.8 效率efficiency 在额定风量下，空气过滤器去除流通空气中颗粒物的能力，即空气过滤器上、下风侧气流中颗粒物浓度之差与上风侧气流中颗粒物浓度之比。 3.9 计数效率counting efficiency 在额定风量下，空气过滤器去除流通空气中特定光学粒径或粒径范围的颗粒物数量的效率。 3.10 计重效率arrestance efficiency 在额定风量下，空气过滤器去除流通空气中标准试验尘质量的效率。 3.11 PMx净化效率cleaning efficiency for PMx 在额定风量下，空气过滤器去除流通空气中空气动力学当量粒径小于等于xμm的颗粒物质量的效率。 3.12 容尘量 dust holding capacity 在额定风量下，空气过滤器达到终阻力时所捕集的标准试验尘总质量。 3.13 额定功率rated power 在初始状态下，静电式空气过滤器在额定风量下工作时的输入功率。 3.14 工作电压 working voltage 在初始状态下，静电式空气过滤器工作时的电离电压和集尘电压。 4 分类与标记 4.1分类 4.1.1 按效率级别分为粗效过滤器、中效过滤器、高中效过滤器和亚高效过滤器，代号分别为C、Z、GZ和YG。其中粗效过滤器分为粗效1型、粗效2型、粗效3型和粗效4型，代号分别为C1、 C2、 C3和 C4；中效过滤器分为中效1型、中效2型和中效3型，代号分别为Z1、 Z2和 Z3。 4.1.2 按结构类型分为平板式、袋式、折褶式、卷绕式、筒式、极板式和蜂巢式，代号分别为PB、DS、ZZ、JR、TS、JB和FC。 4.2标记 示例1：中效2型、袋式、外形尺寸为592mm×592mm×600mm、额定风量为3400m3/h的空气过滤器，标记为K-Z2-DS-592×592×600-3400。 示例2：粗效3型、平板式、外形尺寸为610mm×610mm×80mm、额定风量为2000m3/h的空气过滤器，标记为K-C3-PB-610×610×80-2000。 注：空气过滤器外形尺寸表示原则为：以气流通过方向为深度，以气流通过方向垂直截面的竖直长度为高度、水平长度为宽度。 5 一般要求 5.1空气过滤器的应用应满足所用场合的环保及防火性要求。 5.2静电式空气过滤器应符合以下规定： a) 单相额定电压不应大于250V，三相额定电压不应大于480V，额定频率应为50Hz； b) 应设置断电保护，保证在打开机组结构进行维修或维护时，其内部装置自动断电； c) 电气安全性能应满足GB 4706.1的相关要求； 5.3空气过滤器用滤料应满足JG/T 404的相关要求。 5.4空气过滤器用粘结剂的剪力强度和拉力强度不应低于所用滤料强度，其耐温耐湿性能应与所用滤料相同。 5.5空气过滤器用密封胶应能保证过滤器在最大运行风量或终阻力条件下，运行时不开裂、不脱胶，且有弹性，其耐温耐湿性能应与所用滤料相同。 5.6空气过滤器的结构应符合以下规定： a) 框架或支撑体应有满足要求的强度和刚度，应能承受安装、运行和维修时所需重量和压力； b) 边框的四个角和拼接处不应松动和开裂，滤料在边框中不应松动和变形； c) 密封垫与边框应粘结牢固，密封垫的内外边缘不应超过边框的内外边缘。 6 要求 6.1外观 6.1.1 空气过滤器表面应光洁平整，无划痕、锈斑、压痕和损伤。 6.1.2 滤料、密封垫、防护网等部件不应变形。 6.1.3 静电式空气过滤器外壳应标明电气安全警示及电气端子接线图。 6.2尺寸偏差 6.2.1外形尺寸 外形尺寸允许偏差见表1。 表1 外形尺寸允许偏差 单位为毫米 外形 类别 粗效过滤器 中效过滤器 高中效过滤器 亚高效过滤器 端面 ≤500 0 -1.6 >500 0 -3.2 深度 --- +1.6 0 每端面两 对角线之差 ≤700 --- ≤2.3 >700 --- ≤4.5 6.2.2平面度 亚高效过滤器端面及侧板平面度不应大于1.6mm。 6.3阻力和效率 6.3.1 在初始状态下，空气过滤器阻力、计重效率和计数效率应符合表2的规定。 表2 空气过滤器额定风量下的阻力和效率 效率级别 指标 代号 迎面 风速 m/s 额定风量下 的效率（E） % 额定风量下的初阻力（ΔPi） Pa 额定风量下的终阻力（ΔPf） Pa 粗效1 C1 2.5 标准试验尘计重效率 50>E≥20 ≤50 200 粗效2 C2 E≥50 粗效3 C3 计数效率 （粒径≥2.0μm） 50>E≥10 粗效4 C4 E≥50 中效1 Z1 2.0 计数效率 （粒径≥0.5μm） 40>E≥20 ≤80 300 中效2 Z2 60>E≥40 中效3 Z3 70>E≥60 高中效 GZ 1.5 95>E≥70 ≤100 亚高效 YG 1.0 99.9>E≥95 ≤120 6.3.2对于标称PMx净化效率的产品，其标称效率值与实测效率值之差不应大于5%。 6.4容尘量 空气过滤器应标称容尘量指标，其实测值不应小于标称值的90%，且不宜小于36mg/（m3/h）。 6.5清洗 可清洗的空气过滤器清洗后的效率不应小于清洗前效率的85%，阻力不应大于清洗前阻力的150%。 6.6消静电 对于滤料荷电的空气过滤器，应标称消静电处理后的效率，其标称效率值与实测效率值之差不应大于5%。 6.7防火 当空气过滤器有防火要求时，应符合GB 8624的相关规定。 6.8额定功率 对于标称值不大于30W的静电式空气过滤器，实测值不应大于标称值的120%；对于标称值大于30W的静电式空气过滤器，实测值不应大于标称值的110%。 6.9工作电压 对于静电式空气过滤器的电离电压和集尘电压，实测值与标称值的偏差应在±5%范围内。 6.10臭氧浓度增加量 在额定风量、工作电压下，静电式空气过滤器臭氧浓度增加量1h均值不应大于0.05mg/m3。 6.11电气安全 6.11.1电气强度 静电式空气过滤器施加试验电压后，应无击穿或闪络。 6.11.2泄漏电流 静电式空气过滤器外露金属部分和电源线间的冷态泄漏电流值不应大于0.75mA（Ⅰ类）或0.25 mA（Ⅱ类）。 6.11.3接地电阻 静电式空气过滤器外露金属部分与接地端之间的电阻值不应大于0.1Ω。 7 试验方法 7.1试验仪表 试验仪表应符合表3的规定。 表3 试验仪表 测量参数 测量仪表 测量项目 仪表性能要求 外形尺寸 游标卡尺 端面、深度、对角线长度 分度值：0.1mm 平面度 塞尺 端面及侧板平面度 平板精度：2级； 塞尺厚度范围：0.02 mm ~0.50mm 风量 空气流量计 试验风量 准确度：±3%读数值 风速 风速仪 试验风速 准确度：±3%读数值， 分度值：0.01m/s 阻力 压力计 初阻力和终阻力 0 Pa～70 Pa时，准确度：±2 Pa； >70 Pa时，准确度：±3%读数值 计数效率 粒子计数器 计数浓度 粒子浓度示值误差不超过±30% PMx净化 效率 粉尘仪 PMx质量浓度 示值误差不超过±20%， 示值重复性不应大于±10% 容尘量、计重效率 电子天平 空气过滤器和末端过滤器发尘前后的质量、标准试验尘的质量 分度值：0.1g 电气强度 电安测试仪 静电式空气过滤器绝缘电阻、电气强度、泄漏电流和接地电阻 接地电阻准确度：±3%读数值； 泄漏电流准确度：±(3%读数值+50μA)； 交流耐压准确度：电压指标±(3%读数值+10V)，电流指标±(3%读数值+30μA) 泄漏电流 接地电阻 工作电压 万用表 （带高压测试棒） 静电式空气过滤器的电离电压和集尘电压 准确度：±2%读数值 功率 功率计 静电式空气过滤器的额定功率 精度：0.5级 臭氧浓度增加量 臭氧分析仪 臭氧浓度 准确度：±4%读值 分光光度计 具有610nm波长和2cm比色皿 温度 温湿度计 试验风道中的空气温度和相对湿度 准确度：±0.3℃ 相对湿度 准确度：±5% 大气压 大气压表 大气压 准确度：±2hPa 7.2外观 应用目测法检查。 7.3尺寸偏差 7.3.1外形尺寸 应用游标卡尺检查。 7.3.2平面度 应用平板和塞尺检查。 7.4阻力和效率 阻力、计数效率和PMx净化效率应按附录A规定的方法进行试验，计重效率应按附录B规定的方法进行试验。 7.5容尘量 容尘量应按附录B规定的方法进行试验。 7.6清洗 清洗应按制造厂给出的清洗方法进行，清洗后的效率和阻力应按附录A或附录B规定的方法进行试验。 7.7消静电 消静电应按附录C规定的方法进行试验，消静电后的效率和阻力应按附录A规定的方法进行试验。 7.8防火 有防火要求的空气过滤器，应按GB 8624规定的方法进行防火试验。 7.9额定功率 静电式空气过滤器额定功率应按GB 4706.1规定的方法进行试验。 7.10工作电压 静电式空气过滤器的工作电压应按GB 4706.1规定的方法进行试验。 7.11臭氧浓度增加量 臭氧浓度增加量应按附录D规定的方法进行试验。 7.12电气安全 7.12.1电气强度 电气强度应按GB 4706.1规定的方法进行试验。 7.12.2泄漏电流 泄漏电流应按GB 4706.1规定的方法进行试验。 7.12.3接地电阻 接地电阻应按GB 4706.1规定的方法进行试验。 8检验规则 8.1检验分类 空气过滤器的检验分为出厂检验和型式检验。 8.2出厂检验 8.2.1空气过滤器应经制造厂质量检验部门检验合格后方可出厂。 8.2.2出厂检验应按表4的规定逐项进行。