通風(fēng)系統(tǒng)可以實現(xiàn)屋內(nèi)和屋外的通風(fēng)了，屋里和屋外的空氣就可以得到很好的流通，可以幫助空氣進(jìn)行一個很好的互換的階段。通風(fēng)設(shè)備該如何設(shè)計安裝呢？
    The ventilation system can be ventilated in the house and outside the house, and the air in the room and outside can be well circulated, which can help the air carry on a very good interchangeability phase. How should the ventilation equipment be designed and installed?
    1．送、排風(fēng)口的距離要適當(dāng)
    The distance between the and the exhaust ports should be appropriate
    排風(fēng)口與送風(fēng)口少保持3米的距離以防氣流短路
    At least 3 meters away from the air outlet to prevent air flow short circuit.
    2．選用合適的風(fēng)閥 choose the appropriate wind valve
    從原則上講，系統(tǒng)風(fēng)壓平衡的誤差在10％－15％以內(nèi)，可以不設(shè)調(diào)節(jié)閥，但實際上僅靠調(diào)風(fēng)管尺寸來調(diào)風(fēng)壓是很困難的，所以，要設(shè)風(fēng)量調(diào)節(jié)閥進(jìn)行調(diào)節(jié)。
    In principle, the system wind pressure balance error is within 10% - 15%, can not set the regulating valve, but in fact, it is very difficult to adjust the wind pressure only by the size of the wind regulating tube, so we should adjust the air volume regulating valve.
    風(fēng)管分支處應(yīng)設(shè)風(fēng)量調(diào)節(jié)閥。在三通分支處可設(shè)三通調(diào)節(jié)閥，或在分支處設(shè)調(diào)節(jié)閥。
    In the branch of the wind pipe, the air volume regulating valve should be set. A three way regulating valve can be set at three branches, or a regulating valve is arranged at the branch.
    明顯不利的環(huán)路可以不設(shè)調(diào)節(jié)閥，以減少阻力損失。
    The obvious disadvantage of the loop can be no control valve to reduce resistance loss.
    在需防火閥處可用防火調(diào)節(jié)閥替代調(diào)節(jié)閥
    The fire control valve can be used instead of the regulating valve at the fire damper.
    送風(fēng)口處的百葉風(fēng)口宜用帶調(diào)節(jié)閥的送風(fēng)口，要求不高的可采用雙層百葉風(fēng)口，用調(diào)節(jié)風(fēng)口角度調(diào)節(jié)風(fēng)量。
    The blinds at the outlet of the air outlet should be provided with an air inlet with a regulating valve. A double louver outlet can be used if the requirements are not high, and the air volume can be adjusted by adjusting the air inlet angle.
    新風(fēng)進(jìn)口處宜裝設(shè)可嚴(yán)密開關(guān)的風(fēng)閥，嚴(yán)寒地區(qū)應(yīng)裝設(shè)保溫風(fēng)閥，有自動控制時，應(yīng)采用電動風(fēng)閥。
    Hot air inlet valve should be installed at the inlet of fresh air, and the insulation air valve should be installed in the cold area. When the automatic control is applied, the electric air valve should be used.

    3．風(fēng)管的布置 The arrangement of wind pipes
    要盡量減少局部阻力，即減少彎管、三通、變徑的數(shù)量
    To minimize local resistance, that is to reduce the number of elbow, three, and variable diameters.
    彎管的中心曲率半徑不要小于其風(fēng)管直徑或邊長，一般可用1.25倍直徑或邊長
    The center curvature radius of the elbow should not be less than the diameter or length of the duct. It can generally be used 1.25 times the diameter or side length.
    為便于風(fēng)管系統(tǒng)的調(diào)節(jié)，在干管分支點前后，應(yīng)預(yù)留測壓孔。測壓孔距前面的局部管件的距離應(yīng)大于5b(b為矩形風(fēng)管的長邊或圓形風(fēng)管的直徑)，距后面的局部管件的距離應(yīng)不小于2b。通風(fēng)機出口處氣流較穩(wěn)定的管段上宜應(yīng)預(yù)留測壓孔。
    In order to facilitate the regulation of the air duct system, the pressure hole should be reserved before and after the branch point of the trunk. The distance from the local tube to the front of the pressure measuring hole should be greater than 5B (B is the diameter of the long or circular duct of the rectangular duct), and the distance from the local pipe to the rear should not be less than 2B. The pressure hole should be reserved for the stable pipe section at the outlet of the fan.
    4．新風(fēng)進(jìn)口位置 new wind import position
    進(jìn)風(fēng)口宜設(shè)在室外空氣比較潔凈的地方，保證空氣質(zhì)量
    The inlet should be located in a cleaner outdoor air to ensure air quality.
    宜設(shè)在北墻上，避免設(shè)在屋頂和西墻上，并宜設(shè)在建筑物的背陰處這樣可以使夏季吸入的室外空氣溫度低一些
    It should be located on the north wall to avoid being located on the roof and west wall, and should be located at the shady side of the building so that the outdoor air temperature in summer can be reduced.
    進(jìn)風(fēng)口底部距室外地面不宜小于兩米，當(dāng)進(jìn)風(fēng)口布置在綠化地帶時，則不宜小于一米
    The distance between the bottom of the intake and the outdoor floor should not be less than two meters. When the air inlet is arranged in the greening zone, it should not be less than one meter.
    應(yīng)盡量布置在排風(fēng)口的上風(fēng)側(cè)，且低于排風(fēng)口，并盡量保持不小于10米的間距
    As far as possible, the upper side of the exhaust port should be placed below the outlet, and the spacing should be kept as low as 10 meters.
    5．新風(fēng)口的要求 the requirements of the new tuyere
    宜采用固定百葉窗
    It is advisable to use a fixed shutter
    多雨地區(qū)宜采用防水百葉窗以防雨水進(jìn)入
    Waterproof louvers should be used in rainy areas to prevent rain from entering.
    為防止鳥類進(jìn)入，百葉窗內(nèi)宜設(shè)金屬網(wǎng)
    In order to prevent birds from entering, it is advisable to set metal mesh in louvers.
    6．排風(fēng)管的新做法 New practice of 6. row air duct
    類似酒店客房的排風(fēng)系統(tǒng)設(shè)計可如下考慮：利用排氣扇將室內(nèi)風(fēng)排到走廊的吊頂內(nèi),在走廊設(shè)排風(fēng)管排風(fēng),為有效利用余熱,排風(fēng)機可設(shè)置于衛(wèi)生間。
    The design of the ventilation system for similar hotel rooms can be considered as follows: using the exhaust fan to drain the indoor air into the ceiling of the corridor and exhaust the wind pipe in the corridor, in order to use the residual heat effectively, the exhaust fan can be set in the toilet.
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