排烟风机是将厨房中加工食物过程中发作的异味、高温、油烟气体敏捷排走的机械。在工业、家用中有较广泛的运用，下面咱们来具体介绍一下，排烟风机的功能以及特色。现在排烟风机可以分离心风机和轴流风机两类，离心风机：气流沿着风机叶轮直径方向运动；轴流风机：气流沿风机叶轮轴向运动。离心风机全压较大、电机阻隔在高温油烟气体之外。不简单损坏。轴流风机较小，一般状况下在高温油烟气体要通过电机，简单损坏。所以厨房一般主张运用离心风机。
Smoke exhaust fan is a kind of machine which can expel odor, high temperature and lampblack gas in the process of food processing in kitchen. It is widely used in industry and household. Now let's introduce the functions and characteristics of exhaust fan. Now smoke exhaust fans can be divided into two categories: centrifugal fans: air flow moving along the diameter direction of fan impeller; axial fan: air flow moving along the axial direction of fan impeller. The total pressure of centrifugal fan is larger and the motor is blocked out of the high temperature fume gas. It's not easy to damage. Axial flow fan is small, in general, high temperature fume gas through the motor, simple damage. So the kitchen generally advocates the use of centrifugal fans.
消防排烟风机在电压不稳定时应该怎样应对呢？
How to deal with the unstable voltage of fire exhaust fan?
消防排烟风机功能十分出色，并且现已得到了广泛的运用，深受宽广用户喜欢，并且消防排烟风机运用性也比较强，在电压不稳定的状况下也能运用，排烟风机，不过咱们要合理的操作它，只要这样才干顺畅的完结排烟任务：咱们都知道消防排烟风机的首要适用在介质温度100℃条件下接连作业20小时/次不损坏，3C消防高温风机，高层建筑、地下建筑及地道、烘房等通风换气或高温排烟。消防排烟风机首要的参数在于其作业温度、风量、噪声、全压、功率、电机功率、转速及轴功率。高温消防排烟风机首要适用于高层建筑、地下建筑及地道、烘房等通风换气或高温排烟，能在280℃高温条件下接连作业30分钟以上，介质温度100℃ 高温消防排烟风机出产及运转的环境首要就是这些，咱们必定要根据阐明合理的利用它，然后使其功能得到充沛的展示。
Fire exhaust fan function is excellent, and has been widely used, popular with a wide range of users, and the use of fire exhaust fan is relatively strong, in the unstable voltage conditions can also be used, smoke exhaust fan, but we need to operate it reasonably, as long as this can smoothly complete the task of smoke exhaust: We all know that the fire exhaust fan is mainly suitable for ventilation or high temperature smoke exhaust in high-rise buildings, underground buildings, tunnels, drying rooms, etc. under the condition of medium temperature of 100 degrees Celsius, continuous operation for 20 hours/time without damage, 3C fire-fighting high-temperature fan. The most important parameters of fire exhaust fan are its operating temperature, air volume, noise, full pressure, power, motor power, speed and shaft power. High temperature smoke exhaust fan is mainly suitable for ventilation or high temperature smoke exhaust in high-rise buildings, underground buildings, tunnels and drying rooms. It can work continuously for more than 30 minutes at 280 C. The production and operation environment of high temperature smoke exhaust fan with medium temperature of 100 C is above all these. We must be reasonable according to the explanation. Make use of it, and then make its functions fully displayed.
排烟风机是一种可以将厨房中加工食物过程中产生的异味、高温、油烟气体敏捷排走的机械，该机器特色是耐高温功能杰出、效率高。送风口、排烟口风量、余压值达不到标准要求的现象在工程中比较普遍，有的送风口、排烟口的风速甚接近于零，构成这种现象的原因比较复杂，今天小编为大家具体谅解一下，主要变现在以下几个方面：
Smoke exhaust fan is a kind of machine which can expel the odor, high temperature and lampblack gas produced in the process of food processing in kitchen. The machine features excellent high temperature resistance and high efficiency. The phenomenon that the air volume and residual pressure of air supply outlet, smoke exhaust outlet can not meet the standard requirement is quite common in engineering. The wind speed of some air supply outlets and smoke exhaust outlets is even close to zero. The reasons for this phenomenon are relatively complex. Today, we have a specific understanding, which can be found in the following aspects:
合用正压送风体系未规划压差调理设备：按标准要求，机械加压送风的防烟楼梯间和合用前室，宜别离独立设置送风体系，当必须共用一个体系时，应在通向合用前室的支风管上设置压差自动调理设备。目前很多规划的合用正压送风体系没有规划压差调理设备，无法构成楼梯间的余压值高于前室。风机选型不当：按标准要求，防烟楼梯间及前室、合用前室和消防电梯间前室的机械加压送风量，应由计算断定，当计算值和标准规则的值不一致时，应按两者中较大值断定。有的规划直接按标准给定的值断定，往往导致选用的风机风量、风压偏小，不能满足要求;有的规划采用通风与机械排烟合用体系，但施工中未按规划要求选用双速风机；有的建设单位不按规划的风机型号订货，购买功率规格较小的风机，导致风机风量严重不足。
Joint positive pressure air supply system unplanned differential pressure conditioning equipment: According to standard requirements, smoke-proof staircase and joint front room of mechanical pressurized air supply should be separated from the independent air supply system. When a common system must be shared, automatic differential pressure conditioning equipment should be installed on the branch air duct leading to the joint front room. At present, many planned combined barotropic air supply systems do not have planned pressure differential conditioning equipment, which can not constitute a staircase with residual pressure higher than the front room. Improper fan selection: According to the standard requirements, the mechanical pressurized air supply volume of smoke-proof staircase and front room, common front room and front room of fire elevator room should be determined by calculation. When the calculated value is inconsistent with the value of standard rules, it should be determined by the larger value of the two. Some plans are determined directly according to the value given by the standard, which often results in the selection of fan air volume and pressure on the low side and can not meet the requirements; some plans adopt the ventilation and mechanical smoke exhaust system, but the construction of the two-speed fan is not in accordance with the planning requirements; some construction units do not order according to the planned fan model, and purchase power specifications are comparable. Small fan, leading to serious shortage of fan air volume.
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