1.1点火系统 本文件适用于蒸汽锅炉和热水发生器的常压流化床和炉排燃烧系统。这些系统开始于燃料仓，结束于除灰装置。对于各种点火系统的组合，各系统的单独要求适用，尤其是EN 12952-8:2022和EN 12952-9:2022中包含的要求。 如果同时燃烧几种燃料，或者燃料质量变化很大（例如含水量），则可能需要采取额外的安全措施，特别是限制进入燃烧系统的燃料流量，并确保向各个燃料适当供气。 加压燃烧系统可能需要加强安全措施，而这在本欧洲标准中没有给出。 1.2燃料 本文件涵盖固体燃料的使用。EN 12952-9:2022涵盖了在夹带气流（燃烧器）系统中燃烧的粉末燃料。 涵盖的固体燃料包括: •所有煤质，例如褐煤或褐煤、亚烟煤或硬褐煤、烟煤或硬煤、沥青煤、无烟煤、焦炭、煤秆、煤泥； •其他化石固体燃料（e。 g、 泥炭、油页岩）； •生物质固体燃料（例如木材、木材废料[树皮]、颗粒、能源植物[芒刺]、收获废料[稻草]和型煤）； •城市垃圾固体燃料（例如垃圾、污水污泥、垃圾衍生燃料[RDF]）； •工业废物固体燃料（如石油焦、烟灰、轮胎、纸张废物、涂层木屑、废木材、动物产品废物）。 来自两组或更多组的混合燃料，或非常规或未知质量的燃料，可能需要特殊的安全措施，这些措施可以通过从可比燃料中获得的实际经验或适当的测试来证明，例如。 g、 符合EN 14034-2:2006+A1:2011。制造商规定和记录的此类措施。 操作说明中记录了设计的燃料（见11.2）。这包括基本燃料100%输入的燃料数据和任何补充燃料的数据及其最大热输入百分比。 1.3操作 第4条、第5条、第6条、第7条、第8条、第9条、第10条和第11条中对操作设备的要求适用于蒸汽锅炉和热水发电机，由熟悉燃烧系统特殊条件和燃料类型的受过适当培训的人员进行永久监督。

1.1 Firing systems This document applies to atmospheric fluidized-bed and grate firing systems of steam boilers and hot water generators. These systems commence at the fuel bunkers and end at the ash extraction plant. For combination of various firing systems, the individual requirements of each system apply, especially those included in EN 12952-8:2022 and EN 12952-9:2022. If several fuels are burnt simultaneously or if a fuel quality varies considerably (e.g. moisture content), additional safety measures can be necessary, especially with respect to limitation of the fuel flow into the firing system and ensuring proper air supply to the individual fuels. Pressurized firing systems can require enhanced safety measures, which are not given in this European Standard. 1.2 Fuels This document covers the use of solid fuels. Pulverized fuel fired in an entrained air flow (burner) system is covered by EN 12952-9:2022. Solid fuels covered are: • all coal qualities, e.g. lignite or brown coal, sub-bituminous or hard brown coal, bituminous coal or hard coal, pitch coal, anthracite, coke, coal culm, coal sludge; • other fossil solid fuels (e.g. peat, oil shale); • biomass solid fuels (e.g. wood, wood wastes [bark], pellets, energy plants [miscanthus], harvest wastes [straw] and briquettes); • municipal waste solid fuels (e.g. garbage, sewage sludge, refuse derived fuels [RDF]); • industrial waste solid fuels (e.g. petrol coke, soot, tyres, paper wastes, coated wood chips, spent wood, animal product wastes). Fuel blends from two or more groups, or fuels of unconventional or unknown quality can require special safety measures which can be proved either by practical experience gained from comparable fuels, or by suitable tests, e.g. in accordance with EN 14034-2:2006+A1:2011. Such measures specified and documented by the manufacturer. Fuels on which the design is documented in the operating instructions (see 11.2). This includes the fuel data for 100 % input of the basic fuel and the data for any supplementary fuels together with their maximum thermal input percentage. 1.3 Operation The requirements for operational equipment in Clause 4, Clause 5, Clause 6, Clause 7, Clause 8, Clause 9, Clause 10 and Clause 11 apply to steam boilers and hot water generators with permanent supervision by properly trained personnel familiar with the special conditions of the firing systems and the type of fuel.