When we talk about Jinan ventilation duct, we usually associate it with the ventilation duct in the office building. How much do we know about the environment of welding workshop? It's something we seldom touch. There are many vague concepts about the use of ventilation ducts. Especially in some workshop, ventilation ducts are needed. Because it is related to the health of production staff.

　　由于廠房的焊接車間一般具有焊接件大小不定、焊接地點不固定、焊接方式較多、空間高大等特色，使得污染物較難處理，室內氣流組織紊亂。因而，如何經濟有效的解決好焊接車間的通風除塵問題，是關系到出產工作人員身體健康的大問題。

　　Because the welding workshop of the workshop generally has the characteristics of unstable size of welding parts, unstable welding locations, more welding modes and large space, it makes the pollutants difficult to deal with and the indoor air distribution disordered. Therefore, how to solve the problem of ventilation and dust removal in welding workshop economically and effectively is a major problem related to the health of production staff.

　　通風管道是為了使空氣流通，下降有害氣體濃度的一種市政基礎設施，首要使用在工業及建筑工程中，關于通風管道加工而言，送風辦法效果的實現是關重要的。那么，常見的送風辦法有哪些呢

　　Ventilation pipeline is a municipal infrastructure for air circulation and reducing the concentration of harmful gases. It is mainly used in industrial and construction projects. For the processing of ventilation pipeline, the realization of the effect of air supply method is very important. So, what are the common air supply methods?

　　榜首、工位送風工位送風是一種集區域通風、設備通風和人員自調度為一體的個性化的送風辦法。在基地區域設備送風口，經過軟管與地板下的送風設備相連，送風口的方位能夠依據室內設備活絡改變。

　　Top of the list, station air supply station air supply is a personalized air supply method which integrates regional ventilation, equipment ventilation and personnel self-regulation. In the base area, the air supply port of equipment is connected with the air supply equipment under the floor through the hose. The position of the air supply port can be changed according to the indoor equipment.

　　第二、地板送風地板送風是混合通風的另一種辦法，處理后的空氣經過地板下的靜壓箱，由送風散流器送入室內，與室內空氣混合。

　　Secondly, floor air supply is another method of mixed ventilation. The treated air passes through the static pressure box under the floor and is sent into the room by the air supply diffuser to mix with the indoor air.

　　第三、置換通風置換通風歸于下送風的一種，氣流從坐落側墻下部的散流器水平低速送入室內，在浮升力的效果下上升作業區，吸收人員和設備負荷構成熱羽流。在上升過程中，熱羽流不斷卷吸周圍空氣，流量逐步增加。

　　Thirdly, displacement ventilation belongs to the type of downward air supply. The air flow enters the room at low speed from the diffuser located at the lower part of the side wall, and rises to the working area under the effect of buoyancy. The heat plume is formed by absorbing the load of personnel and equipment. During the rising process, the hot plume continuously sucks the surrounding air, and the flow rate gradually increases.

　　通風管道設計時要考慮到焊接是一種勞動強度比較大的工種，且在焊接工藝過程中會產生大量的有毒金屬煙霧、輻射熱、光污染、電焊塵、有害氣體，嚴重影響工作人員和周邊人員身體健康，因而有必要對焊接車間進行通風換氣，掃除和稀釋有害物，建立良好的焊接環境。

　　In the design of ventilation pipeline, it should be considered that welding is a kind of work with high labor intensity, and a large number of toxic metal fumes, radiation heat, light pollution, welding dust and harmful gases will be produced in the welding process, which seriously affects the health of staff and surrounding personnel. Therefore, it is necessary to ventilate the welding workshop, remove and dilute harmful substances, and establish a good welding. Connect to the environment.

　　在濟南通風管道設計中，一方面用清潔空氣，稀釋室內空氣物中的有害濃度，一起不斷把污染空氣排出室外，使室內空氣中有害物濃度不超越衛生標準規則的上線允許濃度。通風通常以廠房的換氣量或換氣次數為基礎，依據稀釋理論，將車間內有害物濃度沖淡到允許濃度之下，給您的工人營造一個良好的焊接車間環境。

　　In the design of ventilation pipeline in Jinan, on the one hand, the harmful concentration in indoor air is diluted with clean air, and the polluted air is continuously discharged outdoors, so that the harmful concentration in indoor air does not exceed the permissible concentration of sanitary standard rules. Full ventilation is usually based on the ventilation rate or frequency of the workshop. According to dilution theory, the concentration of harmful substances in the workshop is diluted to the allowable concentration, so as to create a good welding workshop environment for your workers.