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        為什么通風設備需要防腐保溫?

        來源:http://www.boursomarket.com 日期:2021-07-01 發布人:jntfgd

        通風設備的基本作用是輸送新鮮空氣和排氣,將有害氣體排到室外,將室外新鮮空氣帶入室內。通風設備應安裝防腐保溫設施。
        The basic function of ventilation equipment is to transport fresh air and exhaust, exhaust harmful gases to the outside, and bring outdoor fresh air into the room. Anti corrosion and thermal insulation facilities shall be installed for ventilation equipment.
        安裝鍍鋅通風設備,安裝不銹鋼通風設備在腐蝕性和特別潮濕的地方。當環境空氣濕度較高時,應對管道外墻進行防腐防銹處理。輸送高溫、高濕氣體的風道內壁應噴涂磷化底漆或其它耐腐蝕涂層。當風道輸送高溫氣體或低溫空氣時,風道外壁應進行保溫(冷)。
        Install galvanized ventilators and stainless steel ventilators in corrosive and particularly humid places. When the ambient air humidity is high, the anti-corrosion and anti rust treatment should be carried out on the external wall of the pipeline. The inner wall of air duct conveying high temperature and humidity gas shall be sprayed with phosphating primer or other corrosion-resistant coating. When the air duct conveys high temperature gas or low temperature air, the outer wall of the air duct shall be insulated (cold).
        輸送高溫氣體的風道保溫的目的是防止風道內空氣的熱量散失(冬季空調系統出現);二是在輸送余熱蒸汽或高溫氣體,提高室內溫度時,防止熱量散失到室內,防止人們接觸風管而被燒傷。在夏季,由于輸送氣體的溫度低于周圍空氣的露點溫度,管道外壁會發生冷凝。這將增加空調系統風道的冷卻損失。同時,凝結的水滴會污染天花板、墻壁和地面,所以要進行冷保溫。
        The purpose of heat preservation of air duct conveying high temperature gas is to prevent heat loss of air in air duct (central air conditioning system in winter); The second is to prevent the heat from losing to the room when the waste heat steam or high-temperature gas is transported and the indoor temperature is raised, so as to prevent people from being burned due to contacting the air duct. In summer, because the temperature of the transported gas is lower than the dew point temperature of the surrounding air, the outer wall of the pipeline will condense. This will increase the cooling loss of the air duct of the central air conditioning system. At the same time, the condensation of water droplets will pollute the ceiling, walls and floor, so cold insulation.
        當通風管道輸送一般氣體時,對黑鋼板風道應進行除銹、刷防銹漆處理,對含塵氣體可噴涂防磨損保護層,當周圍環境空氣濕度較大時,風道外壁需做防腐蝕、防銹處理。對輸送高溫、高濕氣體的鍍鋅鋼板風道內壁宜噴刷磷化底漆或其他耐蝕涂料。在風道輸送高溫氣體或低溫空氣時,風道外壁應做保溫(保冷)處理。
        When the ventilation pipe conveys general gas, the black steel plate air duct shall be derusted and painted with antirust paint, and the dust gas can be sprayed with anti-wear protective layer. When the ambient air humidity is high, the outer wall of the air duct shall be treated with anti-corrosion and antirust treatment. Phosphating primer or other corrosion resistant coating should be sprayed on the inner wall of air duct of galvanized steel sheet conveying high temperature and humidity gas. When conveying high-temperature gas or low-temperature air in the air duct, the outer wall of the air duct shall be insulated (cold insulation).
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