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1、稀釋通風(fēng)
1. Dilution ventilation
稀釋通風(fēng)又稱攙雜通風(fēng)，即送人比室內(nèi)污染物濃度低的空氣與室內(nèi)空氣攙雜，以此下降室內(nèi)污染物的濃度，抵達(dá)衛(wèi)生標(biāo)難。
Dilution ventilation, also known as mixed ventilation, refers to the process of mixing indoor air with air with a lower concentration of pollutants, in order to reduce the concentration of indoor pollutants and achieve hygiene standards.
2、置換通風(fēng)
2. Displacement ventilation
在置換通風(fēng)體系中，鮮美冷空氣由房間底部以很低的速度送入，送風(fēng)溫差僅為2—4Y。送入的鮮美空氣因密度大而像水相同彌散悉數(shù)房間的底部，熱源導(dǎo)致的熱對(duì)流氣流使室內(nèi)發(fā)生筆直的溫度禪度，氣流遲緩上升，脫節(jié)作業(yè)區(qū)，將余熱和污染物推向房間頂部，由設(shè)在頂棚上或房間頂部的排風(fēng)口直接掃除。
In the displacement ventilation system, fresh and cold air is introduced from the bottom of the room at a very low speed, with a temperature difference of only 2-4Y for the supply air. The fresh air sent in is as dense as water and diffuses at the bottom of all rooms. The heat generated by the heat source causes a direct temperature rise in the room, causing the airflow to slowly rise and detach from the work area, pushing waste heat and pollutants towards the top of the room, which is directly swept away by the exhaust vents installed on the ceiling or at the top of the room.
室內(nèi)空氣近似活塞狀活動(dòng)，使污染物隨空氣活動(dòng)從房間頂部掃除，作業(yè)區(qū)根本處于送入空氣中，即作業(yè)區(qū)污染物濃度約等于送人空氣的濃度，這是置換通風(fēng)與傳統(tǒng)的稀釋全盤通風(fēng)的很大別離。在通風(fēng)管道中，顯著置換通風(fēng)的通風(fēng)成效比稀釋通風(fēng)要好。
The indoor air moves in a piston like manner, allowing pollutants to be swept away from the top of the room along with the air movement. The working area is fundamentally in the incoming air, meaning that the concentration of pollutants in the working area is approximately equal to the concentration of the incoming air. This is a significant difference between displacement ventilation and traditional dilution ventilation. In ventilation ducts, significant displacement ventilation has better ventilation effectiveness than dilution ventilation.
3、片面通風(fēng)
3. One-sided ventilation
片面通風(fēng)便是欺詐片面氣流，使片面當(dāng)?shù)夭皇苡泻ξ锏奈廴?，?gòu)成優(yōu)異的空氣環(huán)境。
One sided ventilation refers to deceiving one sided airflow to prevent local pollution from harmful substances and create an excellent air environment.
片面通風(fēng)體系分為片面送風(fēng)和片面排風(fēng)兩大類。片面排風(fēng)是將污染物當(dāng)場(chǎng)捕集、凈化后排放室外。片面送風(fēng)是將始末處理的、契合要求的空氣送到片面作業(yè)當(dāng)?shù)?，以確保片面區(qū)域的空氣條件。片面通風(fēng)辦法作為確保作業(yè)和生計(jì)環(huán)境空氣品性、防備室內(nèi)環(huán)境污染的技藝對(duì)策應(yīng)優(yōu)先研究。
The one-sided ventilation system is divided into two categories: one-sided air supply and one-sided exhaust. One sided ventilation is the process of capturing and purifying pollutants on the spot before discharging them outdoors. One sided air supply is the process of delivering air that meets the requirements from the beginning to the end to the local area of one-sided operation, in order to ensure the air conditions in the one-sided area. The one-sided ventilation method should be given priority research as a technical countermeasure to ensure the air quality of the work and livelihood environment, and to prevent indoor environmental pollution.
以上的文章由山東燊赫通風(fēng)設(shè)備有限公司山東通風(fēng)管道加工提供分享，更多內(nèi)容請(qǐng)關(guān)注我們：http://m.olzr.cn
The above article is shared by Shandong Shenhe Ventilation Equipment Co., Ltd. Shandong Ventilation Pipe Processing. For more content, please follow us: http://m.olzr.cn
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