❶ 燃气锅炉房电气必须防爆吗
室外燃气锅炉电气设备不用考虑防爆。只有在燃气分配站区域的电气设备要考虑防爆。
❷ 锅炉房防爆窗规范
摘要 由于国家对环保要求的不断提高,以天然气作为锅炉燃料的燃气锅炉,已成为目前的普遍选择,由于燃气泄漏容易发生爆炸等危险,为了保证其在使用期间的安全,国家规定锅炉房必须要符合燃气锅炉房防爆要求规范。
❸ 锅炉房设计规范gb50041-2020
《锅炉房设计标准》GB50041-2020,自2020年7 月1日起实施,原国家标准《锅炉房设计规范》GB 50041-2008 同时废止。
我们在建筑设计时应注意以下几点:
一、锅炉房火灾危险性分类:锅炉房(间)为丁类(燃料可为:煤、重油、轻油、天然气、城市煤气等);油箱间、油泵间和重油加热期间为丙类;燃气调压间、气瓶专用间为甲类。
二、当锅炉房和其他建筑物相连或设置在其内部时,不应设置在人员密集场所和重要部门的上一层、下一层、贴邻位置以及主要通道、疏散口的两旁,并应设置在首层或地下一层靠建筑物外墙部位。人员密集场所具体建筑物见《消防法》第七十三条;此处重要部门是指重要公共(控制)设施,比如指挥中心、消防控制室、消防泵房、计算机房、使用燃气的厨房、档案室、通信站、贵宾室、公共浴室、教室、餐厅、影剧院的观众厅、会议室、候车室、档案室、商店、银行、候诊室等部位。
三、燃油、燃气锅炉房(间)与相邻辅助间之间的防火构造除满足第15.1.3条外,燃气调压间门窗还应向外开启且不应直接通向锅炉房(间),其地面应采用不发火地面。锅炉房和其他建筑物贴邻时,应采用防火墙与贴邻的建筑分隔。
四、锅炉房(间)出入口应满足第4.3.7条规定。“锅炉间人员出入口应有1个直通室外”,按《建筑设计防火规范》GB50016-2014(2018年版)第8.1.6条条文解释,疏散门直通室外,即要求人员不需要经过其他房间或使用空间而直接到达建筑外。
五、地下、半地下、地下室和半地下室锅炉房,严禁选用液化石油气或相对密度大于或等于0.75的气体燃料。当选用天然气作为燃料时,要注明天然气的相对密度值。
六、锅炉房的外墙、楼地面或屋面应有相应的防爆措施,并应有锅炉间占地面积10%的泄压面积,泄压方向不得朝向人员聚集的场所、房间和人员通道,泄压处也不得与这些地方相邻。地下锅炉房采用竖井泄爆方式时,竖井的净横断面积应满足泄压面积的要求。防爆、泄压措施见《建筑设计防火规范》GB50016-2014(2018年版)第3.6节有关内容。
❹ 燃气锅炉房锅炉间电气设备要求防爆吗
一般情况下,燃气锅炉房的电气设备是没有防爆要求的。按要求做好管道的防静电接地就足够了。
❺ 锅炉房防火防爆措施主要有哪些
锅炉房的外墙、楼地面或屋面,应有相应的防爆措施。并应有相当于锅炉间占地面积回10%的泄压面积答,泄压方向不得朝向人员聚集的场所、房间和人行通道,泄压处也不得与这些地方相邻。
请看规定:
GB50041-2008《锅炉房设计规范》
15.1.2锅炉房的外墙、楼地面或屋面,应有相应的防爆措施。并应有相当于锅炉间占地面积10%的泄压面积,泄压方向不得朝向人员聚集的场所、房间和人行通道,泄压处也不得与这些地方相邻。地下锅炉房采用竖井泄爆方式时,竖井的净横断面积,应满足泄压面积的要求。
当泄压面积不能满足上述要求时,可采用在锅炉房的内墙和顶部(顶棚)敷设金属爆炸减压板作补充。
注:泄压面积可将玻璃窗、天窗、质量小于等于120kg/m2的轻质屋顶和薄弱墙等面积包括在内。
15.1.13锅炉间外墙的开窗面积,除应满足泄压要求外,还应满足通风和采光的要求。
15.3.2锅炉间、凝结水箱间、水泵间和油泵间等房间的余热,宜采用有组织的自然通风排除。当自然通风不能满足要求时,应设置机械通风。
15.3.3锅炉间锅炉操作区等经常有人工作的地点,在热辐射照度大于等于350w/m2的地点,应设置局部送风。
❻ 燃气锅炉房设计规范
1、锅炉房宜为独立的建筑物,当锅炉房和其他建筑物相连或设置在其内部时,严禁设置在人员密集场所和重要部门(如公共浴室、教室、餐厅、影剧院的观众厅、会议室、候车室、档案室、商店、银行、候诊室)的上一层、下一层、贴邻位置以及主要通道、疏散口的两旁,并应设置在首层或地下室一层靠建筑物外墙部位。
2、住宅建筑物内,不宜设置锅炉房。锅炉房出入口的设置必须符合下列规定:出入口不应少于2个, 但对独立锅炉房,当炉前走道总长度小于12m,且总建筑面积小于200平方米时,其出入口可设1个;非独立锅炉房,其人员出入口必须有1个直通室外。
3、锅炉房为多层布置时,其各层的人员出入口不应少于2个。楼层上的人员出入口,应有直接通向地面的安全楼梯。
4、锅炉房通向室外的门应向室外开启,锅炉房间内的工作间或生活间的门应向锅炉间内开启。依据《锅炉房设计规范》GB50041进行设计时应注意其使用范围:以水为介质的蒸汽锅炉锅炉房,其单台锅炉额定蒸发量为1~75t/h、额定出口蒸汽压力为0.10~3.82MPa(表压)。
5、锅炉房的外墙、楼地面或屋顶,应有相应的防爆措施,并应有相当于锅炉间占地面积10%的泄压面积, 泄压方向不得朝向人员聚集的场所、房间和人行通道, 泄压处也不得与这些地方相邻。
❼ 求一位大侠帮忙把论文翻译成英文~100分 谢谢 燃气锅炉房的电气防爆设计 摘 要:通过分析燃气锅炉房事故原
2 accident reason analysis
Analysis of gas boiler room the cause of the accident, there are two possible: boiler ontology explosion, boiler room to explode gas explosion concentration and explosions.
Boiler blast furnace body, because be in, or flue gas mixture in explosive existence, when achieved by fire or explosion limit, boiler heat ignites causing accidents in itself. This point and the national norm of building fire system that conform to the relevant provisions. The actual current boiler proct has considered safe proction measures to avoid it. Qualified gas boiler itself has the explosion-proof process design, such as burner in abnormal situation automatic stop, self-control device also stop output fuel, Gas boiler combustion system higher automatization, including the gas pressure is high, low limit alarm protection, when the control logic where step does not meet the conditions set start corresponding interlock protection.
Avoid the boiler exploded possibility, but still ontology exist above another possibility, can avoid? How to avoid it?
Three measures
In fact in design, according to the boiler design code "and" automatic fire alarm system design code "GB50116-1998 etc standard, we have taken the following measures:
Natural gas pipelines valves, meter, may occur gas leak place, boiler room may proce gas storage proct area [relative density 0.8, it is to be in commonly roof area in these areas], all equipped with combustible gas concentration measurement alarm device, according to combustible gas concentration situation give out sound and light alarm signal and start exhaust fan, when leakage accident concentrations reach explosion limit of the lower limit 50% [this value for reference only], but also immediately close natural air intake ct total intake solenoid valves.
In the boiler room and a natural gas pipeline in and out of the room, the incident, but also with the smoke exhaust fan combustible gas alarm interlocking (start).
Electrical, instrument by cable selection TongXin, not less than 1.5 mm2 minimum section.
Gas radiation tube tube top or the nearby, the lightning rod should be installed above the pipe jacking tip should be not less than 3m, and its scope of protection tube top above not less than 1-m.
Gas pipeline should be static grounding device that, when pipeline as metal materials, and lightning protection or electrical engineering protective grounding wire connected, the measured resistance R more than 4 Ω. In pipe joints, such as the bend, flange, valve and pipe with good place cannot metal contact, also with metal soft line will be both ends jumper.
In the boiler room and a natural gas pipeline in and out of the room door, window take pressure measures.
According to the explosion and fire dangerous environment electrical device design specification "the laws 2.2.2 bar, accord with one of the following conditions may, when the explosion danger area: devin in item 3, in the process of proction use fire equipment near, A combination of these several measures can clearly, electrical equipment selection for the explosion.
At the same time according to the explosion and fire dangerous environment electrical device design specification "the laws 2.2.2 bar, accord with one of the following conditions may, when the explosion danger area devin: the first 2 items, and the highest possible flammable explosive chroma does not exceed 10% of the lower limit, Close air intake ct natural total intake solenoid valves, concentration exceed 10% of the lower limit explosion limit, boiler room near the roof area are gas storage proct area, so lighting lamps and lanterns and switch choosing is explosion-proof type.
4 conclusion
In gas boiler room electrical design, lighting choose explosion-proof lamps, other part adopts the explosion-proof type.
references
[1] boiler design standard. GB50041-1992.
[2] explosion and fire dangerous environment electrical device design standard. GB50058-1992.
[3] the code for fire protection design of buildings. GB50016-2006.
[4] automatic fire alarm system design standard. GB50116-1998.
❽ 燃气锅炉房 是不是防暴区
GB50016 第3/3/12说明在有明火的设备附近不划分为防爆区。城镇燃气规范也规定锅版炉房为丁类权,不划分防爆区。GB50058第2。2.2也有此规定。因为在这些区域光一个电气防爆没有意义,你都有明火了还用得着电气那点小火花来点燃?所以,一般不划分为防爆区,但装备气体报警,防爆事故通风设施(事故通风要防爆是因为事故是浓度是已达到爆炸极限)。
❾ 跪求一位大侠帮我把一篇论文转化成英文的~~谢谢~~100分
Fuel gas boiler room electrical explosion-proof design abstract: Through the analysis fuel gas boiler room accident cause factor, as well as to the standard the understanding analysis, has carried on the explicit elaboration to the boiler room electricity explosion-proof design. Key word: Fuel gas; Boiler room; Explosion-proof; Flammable gas density examination foreword Because the fuel gas boiler room superiority and so on its inherent environmental protection are promoting, especially is procing is mad the rich area, massive newly built and the transformation fuel gas boiler room project starts in abundance. However the electrical explosion-proof part explicit design article, the regional designers have not known and the procere are different, the following elaborated that to the standard the understanding, the difficult dispute question which and the solution in the exchange discussion design practice exists, refers for the fellow colleagues. 1 explosion hazard regionalism acts according to GB code "Boiler room Design Standard" GB50041-1992, in electrical part 13.2.2nd: The fuel oil accent presses, between the fuel oil pump house, the powdered coal preparation, the coal breaker and transports the coal corridor and so on to have detonation and the fire risk place rank division, must conform to the present national standards "Detonation And Fire risk Environment Power installation Design Standard" concerned requirements. Xinjiang Korla area natural gas relative density: 0.8, refer to "Detonation And Fire risk Environment Power installation Design Standard" GB50058-1992, the 2.3.1st note 2: The relative density is bigger than 0.75 fire damp stipulation for again in the air gas; Refers to the 2.3.4th explosion hazard regionalism, in seals up in the building to ventilate the bad process units area, [possibly namely the boiler room, the measurement and has in the room which the natural air line passes in and out is 1 area refers to when normal operation presents fire damp mixture environment]. According to "Architectural design Fire protection Standard" GB50016-2006, 3.1.1st, the boiler room is takes the fuel using the natural gas, carries on proction which the combustion makes other to use, belongs to the Ding kind of proction fire hazard, simultaneously rests on the 3.1.1st 4 article explanation②, “Ding kind” the 2nd item: Although using the gas, the fuel or the solid carries on the combustion for the fuel, is the open fire proction, but in the fixed equipment internal combustion, is not easy to create the fire. Although also has some explosion accident, but belongs to the physical property to explode generally, like boiler room, lime-roasting, blast furnace workshop and so on proction. The above two standard contrasts see, the open fire proction's boiler room, in the actual movement, divided into 1 area already not to have the too big significance. However, now in the enterprise, for instance the oil gas proction pursue essence security, is through pursues in its flow the human, the thing, the system, the system and so on various essential factor security reliable harmonious unification, causes each kind of harm factor to be at throughout the control state, then draws close graally the essence, the permanent security goal. How then to carry on the electrical design? 2 accident cause factors analyze the fuel gas boiler room accident's reason, has two kind of possibilities: The boiler proper explodes, the boiler room fire damp to achieve the explosion ratio to have the detonation. The boiler proper explodes, is because has the explosivity gaseous mixture existence in the chamber or the flue, when achieves the explosive limit, creates the accident by the open fire or boiler's high temperature ignition. This point is related the article showing match case with "Architectural design Fire protection Standard". The actual present boiler proct had already considered the safety in proction measure avoids. The qualified gas-fired boiler itself has the explosion-proof technological design, like the burner in the unusual circumstance auto-stop, the automatic control installment also stops the output fuel; The gas-fired boiler combustion system automaticity was high, includes the fuel gas pressure to be high, lower limit warning protection and so on, when controlled which step logical judgement didn't satisfy the hypothesis condition, start corresponding interconnection protection. Avoided the boiler proper exploding the possibility, but still had the above other one kind of possibility, whether to avoid? How to avoid?
❿ 锅炉房对电气专业有什么要求
锅炉房对电气专业要求:
(1)锅炉房内应设置防爆、防水灯具。要求在锅炉操作间内有足够照度。尤其在压力表和水位计等重要读数位置更应设专用照明,避免操作人员失误:
(2)在燃煤锅炉及其附属设备(如送风机、引风机、鼓风机)刚启动时,往往因多种因素而引起其设备电机的启动电流超过正常值范围,无法启动设备〔或造成空气开关等烧坏)。所以,应考虑措施降低电机的启动电流(如采用软启动器或变频器启动)。炉膛链条、给煤(粉)系统需对电机进行调速控制。
(3)为了适应燃油燃气锅炉的自动化控制,每台锅炉宜配备相应的控制柜。燃煤锅炉的控制柜〔或盘)宜设置在操作人员监视范围之内的位置,可随时观察锅炉压力、温度及其附属设备的运转情况。
(4)对输送煤气、液化石油气等燃料管道(指金属管材)应设静电接地装置,当锅炉房设有防雷和电气系统接地保护网时,可与其相连接,否则应设静电接地系统。
(5)对燃气锅炉的放散管,其顶部应安装避雷针。
(6)凡对控制和监视锅炉水位、压力、憔气漏气报警等的仪表装置均应保证其灵敏度,确保仪表的质量和必要的检测与校验手段。
(7)在施工中应对电气材料(包括动力、照明、自动化仪表系统)严格把关。以保证运行安全可靠,尤其对燃气锅炉房,往往电气专业出现短路或其他事故会带来严重的后果。
(8)对于程序控制的电脑板、PLC、变频器、软启动器等控制器,其温度、压力、速度、转速等重要数据,内部程序或连锁须根据厂家给出的数据进行设置整定。