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影响排烟净化器使用的原因有哪些?

来源:http://www.ghwl-nmgzx.com/添加时间:2019-08-08 16:13:18
  厨房排烟管道的规划安装不合理,经常导致厨房排烟不足,直接影响油烟净化器的使用。主要原因如下:
  The unreasonable planning and installation of kitchen smoke exhaust pipeline often leads to insufficient smoke exhaust in kitchen, which directly affects the use of lampblack purifier. The main reasons are as follows:
  一、主烟管通风区域不佳
  1. Poor ventilation area of main smoke pipe
  根据工程经验,排烟总管风速不宜超过15m/s,否则运行一段时间后容易形成排烟系统。在油烟净化器的运行实践中,绝大多数情况下是由于排气管内通风面积不足造成的,且管路内气体流量在15m/s以上。
  According to engineering experience, the wind speed of the main exhaust pipe should not exceed 15 m/s, otherwise the exhaust system will be formed easily after a period of operation. In the operation practice of the lampblack purifier, most of the cases are caused by insufficient ventilation area in the exhaust pipe, and the gas flow rate in the pipeline is more than 15 m/s.
  2. 管道横截面积变小
  2. Reduction of cross-sectional area of pipeline
  排烟管道由于施工时横梁通过管道的通风截面面积较小,截面阻力增大,气流的形成不顺利。
  Because the cross-section area of the cross-beam passing through the pipeline is small, the resistance of the cross-section increases, and the formation of the air flow is not smooth during the construction of the smoke exhaust pipeline.
  三、使用后排水管道积存
  3. Storage of drainage pipes after use
  当排烟管道通过施工梁或避开其他设备管道时,排烟管道的一段将低于所有排烟管道的平面。使用一段时间后,油水混合物会堆积在排烟管道的下部,直接影响排烟效果。
  When the exhaust pipe passes through the construction beam or avoids other equipment pipes, the section of the exhaust pipe will be lower than the plane of all the exhaust pipes. After using for a period of time, the oil-water mixture will accumulate in the lower part of the smoke exhaust pipe, which directly affects the smoke exhaust effect.
  四、低水平排烟不顺畅
  4. Low-level smoke exhaust is not smooth
  不同楼层的厨房油烟通过相同的水管排出,离排烟出口近的楼层厨房作用较好,而较低楼层排烟的厨房则不小畅。
  Kitchen fumes from different floors are discharged through the same water pipes. The floor kitchen near the smoke exhaust outlet works better, while the kitchen with smoke exhaust from lower floors is not smooth.
  建议设备排烟风机
  Suggested equipment exhaust fan
  对于油烟较大的厨房,主还配备一台排烟风机。常用的排烟风机有轴流式风机、离心风机三种。
  For kitchens with larger fumes, the main equipment is also a smoke exhaust fan. The commonly used smoke exhaust fans are axial flow fans and centrifugal fans.
  排烟风机的分布不符合标准要求。首先,风机的供电和配电不能满足高层民用建筑荷载水平的要求。有些供电线路不与消防电源连接,而是与地板上的照明配电箱连接。有的方案采用单回路配电线路,有的方案不设置末端电源自动开关设备,均不能满足一、二级电源负荷的特殊双回路要求,设置了末端自动开关设备的规定。二是配线装置不符合要求。有些排烟风机配线磨损PVC塑料管,有些磨损金属管不涂刷防火涂料,不符合管道防火性能要求。
  The distribution of exhaust fan does not meet the standard requirements. First of all, the power supply and distribution of fans can not meet the load level requirements of high-rise civil buildings. Some power lines are not connected to fire power supply, but to lighting distribution boxes on the floor. Some schemes adopt single-circuit distribution lines, and some schemes do not set up automatic switching equipment of terminal power supply, which can not meet the special double-circuit requirements of primary and secondary power loads, and set up the regulation of automatic switching equipment of terminal power supply. Second, the wiring device does not meet the requirements. Some exhaust fan wiring wears PVC plastic pipes, some wear metal pipes do not coat fire retardant paint, does not meet the requirements of pipeline fire retardant performance.
济南厨房排烟管道
  机械防排烟设备的部件不应按标准要求设置
  Components of mechanical smoke control and exhaust equipment should not be set according to standard requirements
  1,裙子的高层民用建筑防烟楼梯间和前室、消防电梯前室或共享房间面前,当房间的上部裙可以用来打开外部窗口对自然排烟,裙子部分不具备自然排烟条件下,前面的房间或共享前没有按照标准的要求建立的正压送风系统。
  1. In front of smoke-proof staircase and antechamber, fire elevator antechamber or shared room of high-rise civil building, when the upper skirt of the room can be used to open the external window for natural smoke exhaust, the skirt part does not have the condition of natural smoke exhaust, the front room or the positive pressure air supply system which is not established according to the standard requirements before sharing.
  2、超过20米的自然排烟走道,部分规划人员因其相连的防排烟楼梯井前厅有自然排烟,认为其有自然排烟条件,未按标准要求设置机械排烟设备。
  2. In the natural smoke exhaust corridor of more than 20 meters, some planners consider that there are natural smoke exhaust conditions in the front hall of the stairwell connected with the smoke-proof and exhaust stairwell, and they do not set up mechanical smoke exhaust equipment according to the standard requirements.

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