濟(jì)南風(fēng)管加工廠:通風(fēng)管道工程及安裝工藝

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　　通風(fēng)管道主要作用是用于輸送和分布風(fēng)量（空氣） 。通風(fēng)管按外形分為圓形和矩形。通風(fēng)管除直管外， 還有彎頭、天圓地方、變徑彎， 三通、四通等管件組成。通風(fēng)管道按材質(zhì)分為普通薄鋼板，鍍鋅薄鋼板、不銹鋼板、鋁板等金屬風(fēng)管、硬聚氯乙烯塑料板、塑料復(fù)合鋼板和玻璃鋼風(fēng)管等。風(fēng)管保溫有橡塑保溫和玻璃棉保溫，一般選用橡塑保溫。

　　The main function of ventilation ducts is to transport and distribute air volume (air). Ventilation ducts are divided into circular and rectangular shapes according to their appearance. In addition to straight pipes, ventilation ducts also consist of fittings such as elbows, roundabouts, variable diameter bends, tees, and crosses. Ventilation ducts are divided into ordinary thin steel plates, galvanized thin steel plates, stainless steel plates, aluminum plates and other metal ducts, rigid polyvinyl chloride plastic plates, plastic composite steel plates, and fiberglass ducts according to their materials. There are rubber insulation and glass wool insulation for air ducts, and rubber insulation is generally used.

　　一、通風(fēng)管道工程概述通風(fēng)管道是為了使空氣流通，降低有害氣體濃度的一種市政基礎(chǔ)設(shè)施。通風(fēng)管的制作與安裝所用板材、型材以及其他主要成品材料，應(yīng)符合設(shè)計(jì)及相關(guān)產(chǎn)品現(xiàn)行標(biāo)準(zhǔn)的規(guī)定，并應(yīng)用出廠檢驗(yàn)合格證明。1通風(fēng)管道的分類(lèi)

　　1、 Overview of Ventilation Duct Engineering Ventilation ducts are a type of municipal infrastructure designed to facilitate air circulation and reduce the concentration of harmful gases. The plates, profiles, and other main finished materials used in the production and installation of ventilation ducts shall comply with the current national standards for design and related products, and shall be accompanied by factory inspection certificates. Classification of ventilation ducts

　　1、按材質(zhì)分類(lèi)一般有：鋼板風(fēng)管（普通鋼板）、鍍鋅板（白鐵）風(fēng)管、不銹鋼通風(fēng)管、玻璃鋼通風(fēng)管、塑料通風(fēng)管、復(fù)合材料通風(fēng)管、彩鋼夾心保溫板通風(fēng)管、雙面鋁箔保溫通風(fēng)管、單面彩鋼保溫風(fēng)管、涂膠布通風(fēng)管（如礦用風(fēng)筒）、礦用塑料通風(fēng)管等。

　　1. According to material classification, there are generally steel plate ducts (ordinary steel plate), galvanized sheet (white iron) ducts, stainless steel ventilation ducts, fiberglass ventilation ducts, plastic ventilation ducts, composite material ventilation ducts, color steel sandwich insulation board ventilation ducts, double-sided aluminum foil insulation ventilation ducts, single-sided color steel insulation ventilation ducts, adhesive coated ventilation ducts (such as mining ducts), mining plastic ventilation ducts, etc.

　　2、按用途分類(lèi)一般有：凈化系統(tǒng)送回風(fēng)管、空調(diào)通風(fēng)管、工業(yè)送排風(fēng)通風(fēng)管、系統(tǒng)吸排風(fēng)管、礦用抽放瓦斯管、礦用涂膠布風(fēng)筒等。

　　2. Classified by purpose, there are generally purification system return air ducts, central air conditioning ventilation ducts, industrial supply and exhaust ventilation ducts, environmental protection system suction and exhaust air ducts, mining gas drainage pipes, mining coated cloth air ducts, etc.

　　3、按形狀分類(lèi)一般有：圓形、矩形、螺旋形等；加工工藝可分為角鐵法蘭風(fēng)管，共板法蘭風(fēng)管。

　　3. Classified by shape, there are generally circular, rectangular, spiral, etc; The processing technology can be divided into angle iron flange air ducts and common plate flange air ducts.

　　4、按用途分類(lèi)（1）凈化空調(diào)系統(tǒng)用風(fēng)管：鍍鋅板、不銹鋼；（2）空調(diào)系統(tǒng)用風(fēng)管：鍍鋅板、彩鋼保溫板（可使用玻璃鋼、復(fù)合材料） ；（3）環(huán)境控制系統(tǒng)用風(fēng)管：鍍鋅板、不銹鋼（可使用塑料、玻璃鋼、復(fù)合材料）；（4）工業(yè)通風(fēng)系統(tǒng)用風(fēng)管：鋼板、鍍鋅板（可使用塑料、玻璃鋼、復(fù)合材料）；（5）特殊使用場(chǎng)合用風(fēng)管：礦用涂膠布風(fēng)筒、礦用塑料通風(fēng)管（要求阻燃抗靜電礦用特性） 。

　　4. Classified by purpose: (1) Air ducts for purification air conditioning systems: galvanized sheet, stainless steel; (2) Central air conditioning system air ducts: galvanized sheet, color steel insulation board (can use fiberglass, composite materials); (3) Air ducts for environmental control systems: galvanized sheet, stainless steel (plastic, fiberglass, composite materials can be used); (4) Industrial ventilation system ducts: steel plates, galvanized plates (plastic, fiberglass, composite materials can be used); (5) Special use occasion air ducts: mining coated cloth air ducts, mining plastic ventilation ducts (requiring flame-retardant and anti-static mining safety characteristics).

　　2通風(fēng)管道配件使用原則1、螺旋風(fēng)管使用原則：螺旋風(fēng)管應(yīng)選用與管道系統(tǒng)相匹配的規(guī)格和材質(zhì)，確保連接緊密，密封性好，以保證通風(fēng)效果。注意事項(xiàng)：在安裝過(guò)程中，應(yīng)避免螺旋風(fēng)管的劃傷和變形，確保管道內(nèi)壁光滑，減少阻力。同時(shí)，要定期對(duì)螺旋風(fēng)管進(jìn)行清潔和維護(hù)，以保證其正常運(yùn)行。

　　2. Principles for the use of ventilation duct accessories: 1. Principles for the use of spiral ducts: Spiral ducts should be selected with specifications and materials that match the pipeline system, ensuring tight connections and good sealing to ensure ventilation effectiveness. Attention: During installation, avoid scratching and deformation of the spiral cyclone tube, ensure smooth inner walls of the pipeline, and reduce resistance. At the same time, it is necessary to regularly clean and maintain the spiral air duct to ensure its normal operation.

　　2、變徑使用原則：變徑的設(shè)計(jì)應(yīng)考慮到整個(gè)風(fēng)管系統(tǒng)的平衡性，確保變徑處的風(fēng)阻損失在整個(gè)系統(tǒng)范圍內(nèi)得到平衡，以保證風(fēng)量的均衡分布。注意事項(xiàng)：在進(jìn)行變徑施工時(shí)，要確保施工質(zhì)量，保證風(fēng)管的連接牢固、密封可靠，避免松動(dòng)和漏風(fēng)現(xiàn)象的發(fā)生。同時(shí)，要定期對(duì)變徑部分進(jìn)行檢查和維護(hù)，確保其正常運(yùn)行。

　　2. Principle of using variable diameter: The design of variable diameter should consider the balance of the entire air duct system, ensuring that the wind resistance loss at the variable diameter is balanced throughout the entire system to ensure a balanced distribution of air volume. Attention: When carrying out variable diameter construction, it is necessary to ensure the construction quality, ensure that the connection of the air duct is firm and the sealing is reliable, and avoid the occurrence of looseness and air leakage. At the same time, it is necessary to regularly inspect and maintain the variable diameter part to ensure its normal operation.

　　3、軟接使用原則：軟接主要用于連接不同材質(zhì)或不同規(guī)格的風(fēng)管，以及需要柔性連接的部位。在選擇軟接時(shí)，應(yīng)根據(jù)實(shí)際情況選擇合適的材質(zhì)和規(guī)格，確保其能承受管道系統(tǒng)的壓力和溫度。注意事項(xiàng)：在安裝軟接時(shí)，應(yīng)確保其與風(fēng)管連接緊密，避免漏風(fēng)。同時(shí)，要定期檢查軟接的使用情況，及時(shí)更換老化或損壞的軟接。

　　3. Soft connector usage principle: Soft connectors are mainly used to connect air ducts of different materials or specifications, as well as parts that require flexible connections. When choosing a flexible joint, appropriate materials and specifications should be selected according to the actual situation to ensure that it can withstand the pressure and temperature of the pipeline system. Attention: When installing the soft connector, ensure that it is tightly connected to the air duct to avoid air leakage. At the same time, it is necessary to regularly check the usage of the soft connectors and replace aging or damaged ones in a timely manner.

　　4、彎頭使用原則：彎頭的使用應(yīng)盡量減少對(duì)氣流的影響，降低阻力。在選擇彎頭時(shí)，應(yīng)根據(jù)管道系統(tǒng)的實(shí)際情況選擇合適的角度和半徑。注意事項(xiàng)：在安裝彎頭時(shí)，應(yīng)避免使用過(guò)多的直角彎頭，以減少管道阻力。同時(shí)，要確保彎頭的安裝位置正確，避免出現(xiàn)晃動(dòng)或歪斜的情況。

　　4. Principle of using elbows: The use of elbows should minimize their impact on airflow and reduce resistance. When selecting elbows, the appropriate angle and radius should be chosen based on the actual situation of the pipeline system. Caution: When installing elbows, avoid using too many right angle elbows to reduce pipeline resistance. At the same time, ensure that the installation position of the elbow is correct to avoid shaking or tilting.

　　5、三通使用原則：三通主要用于管道的分支和合流，其設(shè)計(jì)應(yīng)考慮到整個(gè)管道系統(tǒng)的平衡性和通風(fēng)效果。注意事項(xiàng)：在使用三通時(shí)，要防止堵塞，定期清洗和維護(hù)。同時(shí)，要注意調(diào)整三通的角度，避免角度過(guò)大導(dǎo)致風(fēng)阻增大。

　　5. Principle of Three way Use: Three ways are mainly used for branching and merging of pipelines, and their design should consider the balance and ventilation effect of the entire pipeline system. Attention: When using a three-way valve, be sure to prevent blockage and regularly clean and maintain it. At the same time, pay attention to adjusting the angle of the three-way valve to avoid increasing wind resistance due to excessive angle.

　　6、集氣罩使用原則：集氣罩的吸氣方向應(yīng)順應(yīng)有害物質(zhì)發(fā)散規(guī)律，盡可能與污染氣流運(yùn)動(dòng)方向一致。在保證控制污染的條件下，盡量減少集氣罩的開(kāi)口面積，以減少排風(fēng)量。注意事項(xiàng)：集氣罩的吸氣氣流不允許經(jīng)過(guò)人的呼吸區(qū)再進(jìn)入罩內(nèi)，其結(jié)構(gòu)不應(yīng)妨礙人工操作和設(shè)備檢修。此外，要定期對(duì)集氣罩進(jìn)行清洗和維護(hù)，確保其正常運(yùn)行。

　　6. Principle of using the gas collection hood: The suction direction of the gas collection hood should follow the law of harmful substance dispersion and be as consistent as possible with the direction of pollutant airflow movement. Under the condition of ensuring pollution control, try to minimize the opening area of the gas collection hood to reduce the exhaust volume. Attention: The suction airflow of the gas collection hood is not allowed to enter the hood through the breathing area of people, and its structure should not hinder manual operation and equipment maintenance. In addition, it is necessary to regularly clean and maintain the gas collection hood to ensure its normal operation.

　　3通風(fēng)管道的應(yīng)用范圍風(fēng)管主要應(yīng)用在工業(yè)及建筑工程中，應(yīng)用領(lǐng)域主要涉及：電子工業(yè)無(wú)塵廠房?jī)艋到y(tǒng)、醫(yī)藥食品無(wú)菌車(chē)間凈化系統(tǒng)、酒店賓館、工廠及寫(xiě)字樓的空調(diào)系統(tǒng)、工業(yè)污染控制用除塵、排煙、吸油等排風(fēng)管、工業(yè)環(huán)境或崗位舒適用送風(fēng)管、煤礦抽放瓦斯用抽放瓦斯系統(tǒng)、煤礦礦井環(huán)境控制用送回風(fēng)系統(tǒng)等。

　　The application scope of ventilation ducts is mainly used in industrial and construction engineering. The application areas mainly involve: purification systems in electronic industry clean rooms, purification systems in pharmaceutical and food sterile workshops, central air conditioning systems in hotels, factories, and office buildings, dust removal, smoke exhaust, oil absorption and other exhaust ducts for industrial pollution control, supply ducts for industrial environment or job comfort, gas extraction systems for coal mine gas drainage, and supply and return air systems for coal mine environmental control.

　　本文由 濟(jì)南風(fēng)管加工廠 友情奉獻(xiàn).更多有關(guān)的知識(shí)請(qǐng)點(diǎn)擊  http://rdhw.com.cn/   真誠(chéng)的態(tài)度.為您提供為的服務(wù).更多有關(guān)的知識(shí)我們將會(huì)陸續(xù)向大家奉獻(xiàn).敬請(qǐng)期待.

　　This article is a friendly contribution from Jinan Duct Processing Factory. For more related knowledge, please click http://rdhw.com.cn/ Sincere attitude. We provide you with comprehensive services. We will gradually contribute more relevant knowledge to everyone. Please stay tuned　　通風(fēng)管道主要作用是用于輸送和分布風(fēng)量（空氣） 。通風(fēng)管按外形分為圓形和矩形。通風(fēng)管除直管外， 還有彎頭、天圓地方、變徑彎， 三通、四通等管件組成。通風(fēng)管道按材質(zhì)分為普通薄鋼板，鍍鋅薄鋼板、不銹鋼板、鋁板等金屬風(fēng)管、硬聚氯乙烯塑料板、塑料復(fù)合鋼板和玻璃鋼風(fēng)管等。風(fēng)管保溫有橡塑保溫和玻璃棉保溫，一般選用橡塑保溫。

　　The main function of ventilation ducts is to transport and distribute air volume (air). Ventilation ducts are divided into circular and rectangular shapes according to their appearance. In addition to straight pipes, ventilation ducts also consist of fittings such as elbows, roundabouts, variable diameter bends, tees, and crosses. Ventilation ducts are divided into ordinary thin steel plates, galvanized thin steel plates, stainless steel plates, aluminum plates and other metal ducts, rigid polyvinyl chloride plastic plates, plastic composite steel plates, and fiberglass ducts according to their materials. There are rubber insulation and glass wool insulation for air ducts, and rubber insulation is generally used.

　　一、通風(fēng)管道工程概述通風(fēng)管道是為了使空氣流通，降低有害氣體濃度的一種市政基礎(chǔ)設(shè)施。通風(fēng)管的制作與安裝所用板材、型材以及其他主要成品材料，應(yīng)符合設(shè)計(jì)及相關(guān)產(chǎn)品現(xiàn)行標(biāo)準(zhǔn)的規(guī)定，并應(yīng)用出廠檢驗(yàn)合格證明。1通風(fēng)管道的分類(lèi)

　　1、 Overview of Ventilation Duct Engineering Ventilation ducts are a type of municipal infrastructure designed to facilitate air circulation and reduce the concentration of harmful gases. The plates, profiles, and other main finished materials used in the production and installation of ventilation ducts shall comply with the current national standards for design and related products, and shall be accompanied by factory inspection certificates. Classification of ventilation ducts

　　1、按材質(zhì)分類(lèi)一般有：鋼板風(fēng)管（普通鋼板）、鍍鋅板（白鐵）風(fēng)管、不銹鋼通風(fēng)管、玻璃鋼通風(fēng)管、塑料通風(fēng)管、復(fù)合材料通風(fēng)管、彩鋼夾心保溫板通風(fēng)管、雙面鋁箔保溫通風(fēng)管、單面彩鋼保溫風(fēng)管、涂膠布通風(fēng)管（如礦用風(fēng)筒）、礦用塑料通風(fēng)管等。

　　1. According to material classification, there are generally steel plate ducts (ordinary steel plate), galvanized sheet (white iron) ducts, stainless steel ventilation ducts, fiberglass ventilation ducts, plastic ventilation ducts, composite material ventilation ducts, color steel sandwich insulation board ventilation ducts, double-sided aluminum foil insulation ventilation ducts, single-sided color steel insulation ventilation ducts, adhesive coated ventilation ducts (such as mining ducts), mining plastic ventilation ducts, etc.

　　2、按用途分類(lèi)一般有：凈化系統(tǒng)送回風(fēng)管、空調(diào)通風(fēng)管、工業(yè)送排風(fēng)通風(fēng)管、系統(tǒng)吸排風(fēng)管、礦用抽放瓦斯管、礦用涂膠布風(fēng)筒等。

　　2. Classified by purpose, there are generally purification system return air ducts, central air conditioning ventilation ducts, industrial supply and exhaust ventilation ducts, environmental protection system suction and exhaust air ducts, mining gas drainage pipes, mining coated cloth air ducts, etc.

　　3、按形狀分類(lèi)一般有：圓形、矩形、螺旋形等；加工工藝可分為角鐵法蘭風(fēng)管，共板法蘭風(fēng)管。

　　3. Classified by shape, there are generally circular, rectangular, spiral, etc; The processing technology can be divided into angle iron flange air ducts and common plate flange air ducts.

　　4、按用途分類(lèi)（1）凈化空調(diào)系統(tǒng)用風(fēng)管：鍍鋅板、不銹鋼；（2）空調(diào)系統(tǒng)用風(fēng)管：鍍鋅板、彩鋼保溫板（可使用玻璃鋼、復(fù)合材料） ；（3）環(huán)境控制系統(tǒng)用風(fēng)管：鍍鋅板、不銹鋼（可使用塑料、玻璃鋼、復(fù)合材料）；（4）工業(yè)通風(fēng)系統(tǒng)用風(fēng)管：鋼板、鍍鋅板（可使用塑料、玻璃鋼、復(fù)合材料）；（5）特殊使用場(chǎng)合用風(fēng)管：礦用涂膠布風(fēng)筒、礦用塑料通風(fēng)管（要求阻燃抗靜電礦用特性） 。

　　4. Classified by purpose: (1) Air ducts for purification air conditioning systems: galvanized sheet, stainless steel; (2) Central air conditioning system air ducts: galvanized sheet, color steel insulation board (can use fiberglass, composite materials); (3) Air ducts for environmental control systems: galvanized sheet, stainless steel (plastic, fiberglass, composite materials can be used); (4) Industrial ventilation system ducts: steel plates, galvanized plates (plastic, fiberglass, composite materials can be used); (5) Special use occasion air ducts: mining coated cloth air ducts, mining plastic ventilation ducts (requiring flame-retardant and anti-static mining safety characteristics).

　　2通風(fēng)管道配件使用原則1、螺旋風(fēng)管使用原則：螺旋風(fēng)管應(yīng)選用與管道系統(tǒng)相匹配的規(guī)格和材質(zhì)，確保連接緊密，密封性好，以保證通風(fēng)效果。注意事項(xiàng)：在安裝過(guò)程中，應(yīng)避免螺旋風(fēng)管的劃傷和變形，確保管道內(nèi)壁光滑，減少阻力。同時(shí)，要定期對(duì)螺旋風(fēng)管進(jìn)行清潔和維護(hù)，以保證其正常運(yùn)行。

　　2. Principles for the use of ventilation duct accessories: 1. Principles for the use of spiral ducts: Spiral ducts should be selected with specifications and materials that match the pipeline system, ensuring tight connections and good sealing to ensure ventilation effectiveness. Attention: During installation, avoid scratching and deformation of the spiral cyclone tube, ensure smooth inner walls of the pipeline, and reduce resistance. At the same time, it is necessary to regularly clean and maintain the spiral air duct to ensure its normal operation.

　　2、變徑使用原則：變徑的設(shè)計(jì)應(yīng)考慮到整個(gè)風(fēng)管系統(tǒng)的平衡性，確保變徑處的風(fēng)阻損失在整個(gè)系統(tǒng)范圍內(nèi)得到平衡，以保證風(fēng)量的均衡分布。注意事項(xiàng)：在進(jìn)行變徑施工時(shí)，要確保施工質(zhì)量，保證風(fēng)管的連接牢固、密封可靠，避免松動(dòng)和漏風(fēng)現(xiàn)象的發(fā)生。同時(shí)，要定期對(duì)變徑部分進(jìn)行檢查和維護(hù)，確保其正常運(yùn)行。

　　2. Principle of using variable diameter: The design of variable diameter should consider the balance of the entire air duct system, ensuring that the wind resistance loss at the variable diameter is balanced throughout the entire system to ensure a balanced distribution of air volume. Attention: When carrying out variable diameter construction, it is necessary to ensure the construction quality, ensure that the connection of the air duct is firm and the sealing is reliable, and avoid the occurrence of looseness and air leakage. At the same time, it is necessary to regularly inspect and maintain the variable diameter part to ensure its normal operation.

　　3、軟接使用原則：軟接主要用于連接不同材質(zhì)或不同規(guī)格的風(fēng)管，以及需要柔性連接的部位。在選擇軟接時(shí)，應(yīng)根據(jù)實(shí)際情況選擇合適的材質(zhì)和規(guī)格，確保其能承受管道系統(tǒng)的壓力和溫度。注意事項(xiàng)：在安裝軟接時(shí)，應(yīng)確保其與風(fēng)管連接緊密，避免漏風(fēng)。同時(shí)，要定期檢查軟接的使用情況，及時(shí)更換老化或損壞的軟接。

　　3. Soft connector usage principle: Soft connectors are mainly used to connect air ducts of different materials or specifications, as well as parts that require flexible connections. When choosing a flexible joint, appropriate materials and specifications should be selected according to the actual situation to ensure that it can withstand the pressure and temperature of the pipeline system. Attention: When installing the soft connector, ensure that it is tightly connected to the air duct to avoid air leakage. At the same time, it is necessary to regularly check the usage of the soft connectors and replace aging or damaged ones in a timely manner.

　　4、彎頭使用原則：彎頭的使用應(yīng)盡量減少對(duì)氣流的影響，降低阻力。在選擇彎頭時(shí)，應(yīng)根據(jù)管道系統(tǒng)的實(shí)際情況選擇合適的角度和半徑。注意事項(xiàng)：在安裝彎頭時(shí)，應(yīng)避免使用過(guò)多的直角彎頭，以減少管道阻力。同時(shí)，要確保彎頭的安裝位置正確，避免出現(xiàn)晃動(dòng)或歪斜的情況。

　　4. Principle of using elbows: The use of elbows should minimize their impact on airflow and reduce resistance. When selecting elbows, the appropriate angle and radius should be chosen based on the actual situation of the pipeline system. Caution: When installing elbows, avoid using too many right angle elbows to reduce pipeline resistance. At the same time, ensure that the installation position of the elbow is correct to avoid shaking or tilting.

　　5、三通使用原則：三通主要用于管道的分支和合流，其設(shè)計(jì)應(yīng)考慮到整個(gè)管道系統(tǒng)的平衡性和通風(fēng)效果。注意事項(xiàng)：在使用三通時(shí)，要防止堵塞，定期清洗和維護(hù)。同時(shí)，要注意調(diào)整三通的角度，避免角度過(guò)大導(dǎo)致風(fēng)阻增大。

　　5. Principle of Three way Use: Three ways are mainly used for branching and merging of pipelines, and their design should consider the balance and ventilation effect of the entire pipeline system. Attention: When using a three-way valve, be sure to prevent blockage and regularly clean and maintain it. At the same time, pay attention to adjusting the angle of the three-way valve to avoid increasing wind resistance due to excessive angle.

　　6、集氣罩使用原則：集氣罩的吸氣方向應(yīng)順應(yīng)有害物質(zhì)發(fā)散規(guī)律，盡可能與污染氣流運(yùn)動(dòng)方向一致。在保證控制污染的條件下，盡量減少集氣罩的開(kāi)口面積，以減少排風(fēng)量。注意事項(xiàng)：集氣罩的吸氣氣流不允許經(jīng)過(guò)人的呼吸區(qū)再進(jìn)入罩內(nèi)，其結(jié)構(gòu)不應(yīng)妨礙人工操作和設(shè)備檢修。此外，要定期對(duì)集氣罩進(jìn)行清洗和維護(hù)，確保其正常運(yùn)行。

　　6. Principle of using the gas collection hood: The suction direction of the gas collection hood should follow the law of harmful substance dispersion and be as consistent as possible with the direction of pollutant airflow movement. Under the condition of ensuring pollution control, try to minimize the opening area of the gas collection hood to reduce the exhaust volume. Attention: The suction airflow of the gas collection hood is not allowed to enter the hood through the breathing area of people, and its structure should not hinder manual operation and equipment maintenance. In addition, it is necessary to regularly clean and maintain the gas collection hood to ensure its normal operation.

　　3通風(fēng)管道的應(yīng)用范圍風(fēng)管主要應(yīng)用在工業(yè)及建筑工程中，應(yīng)用領(lǐng)域主要涉及：電子工業(yè)無(wú)塵廠房?jī)艋到y(tǒng)、醫(yī)藥食品無(wú)菌車(chē)間凈化系統(tǒng)、酒店賓館、工廠及寫(xiě)字樓的空調(diào)系統(tǒng)、工業(yè)污染控制用除塵、排煙、吸油等排風(fēng)管、工業(yè)環(huán)境或崗位舒適用送風(fēng)管、煤礦抽放瓦斯用抽放瓦斯系統(tǒng)、煤礦礦井環(huán)境控制用送回風(fēng)系統(tǒng)等。

　　The application scope of ventilation ducts is mainly used in industrial and construction engineering. The application areas mainly involve: purification systems in electronic industry clean rooms, purification systems in pharmaceutical and food sterile workshops, central air conditioning systems in hotels, factories, and office buildings, dust removal, smoke exhaust, oil absorption and other exhaust ducts for industrial pollution control, supply ducts for industrial environment or job comfort, gas extraction systems for coal mine gas drainage, and supply and return air systems for coal mine environmental control.

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