實驗室通風管道安裝要避免問題

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實驗室通風系統(tǒng)是實驗室中非常重要的一個系統(tǒng)，實驗室通風管道的正確安裝對于確保通風系統(tǒng)運行有效和，是一個很重要的環(huán)節(jié)。今天我們就來看一下實驗室通風管道安裝時需要避免的一些問題。

The laboratory ventilation system is a very important system in the laboratory, and the correct installation of laboratory ventilation ducts is a crucial step in ensuring the effective operation and energy-saving of the ventilation system. Today we will take a look at some issues that need to be avoided when installing ventilation ducts in the laboratory.

1、風管安裝前未內(nèi)部雜物

1. Failure to remove internal debris before installing the air duct

風管安裝前應(yīng)內(nèi)、外雜物，并做好清潔和成品，施工后及時封堵管口，如不雜物，將會造成系統(tǒng)阻力增大，嚴重時堵塞過濾網(wǎng)和管道。

Before installing the air duct, internal and external debris should be removed, and cleaning and finished products should be done. After construction, the pipe mouth should be sealed in a timely manner. If the debris is not removed, it will cause an increase in system resistance, and in severe cases, the filter screen and pipeline will be blocked.

2、風管系統(tǒng)安裝后不按規(guī)定作漏光、漏風檢查和試驗

2. Failure to conduct light and air leakage checks and tests as required after the installation of the air duct system

漏光或漏風量測定是對通風空調(diào)施工質(zhì)量的一項檢驗措施，必須嚴格按要求規(guī)范進行檢驗，若風管系統(tǒng)安裝后不按規(guī)定作漏光、漏風檢查和試驗，可能會造成系統(tǒng)大量漏風，使整個系統(tǒng)和項目工程達不到使用要求，增加不必要的返工和浪費，同時也浪費了能源。

Measurement of light or air leakage is an inspection measure for the quality of ventilation and air conditioning construction, which must be strictly inspected according to the required specifications. If the air duct system is not inspected and tested for light or air leakage according to regulations after installation, it may cause a large amount of air leakage in the system, making the entire system and project project unable to meet the usage requirements, increasing unnecessary rework and waste, and also wasting energy.

3、各類風閥安裝位置不便于操作和檢修

3. The installation positions of various air valves are not convenient for operation and maintenance

各類風閥應(yīng)安裝在便于操作及檢修的部位，吊頂或井道內(nèi)設(shè)置檢修口。

All types of air valves should be installed in areas that are easy to operate and maintain, and maintenance openings should be set up in suspended ceilings or shafts.

4、風管支、吊架間距過大

4. Excessive spacing between air duct supports and hangers

風管支吊架的間距過大，會造成風管變形，影響感官效果；如果膨脹螺栓使用不當，風管的重量超過吊點的承載力甚會造成風管墜落，出現(xiàn)施工隱患。

Excessive spacing between air duct supports and hangers can cause deformation of the air duct and affect sensory effects; If the expansion bolts are not used properly, the weight of the air duct may exceed the bearing capacity of the lifting point and even cause the air duct to fall, posing a construction safety hazard.

5、風管系統(tǒng)采用組合式法蘭連接時接口漏風

5. When the air duct system adopts a combination flange connection, the interface leaks air

接口漏風不符合質(zhì)量標準，將會造成整個系統(tǒng)風量損失過大，無法滿足風量要求，并造成能源嚴重浪費。

If the interface air leakage does not meet the quality standards, it will cause excessive air loss in the entire system, fail to meet the air volume requirements, and cause serious energy waste.

6、磚結(jié)構(gòu)風道與金屬風管連接處未設(shè)預埋件或密封縫隙過大或連接處不嚴密。

6. The connection between the brick structure air duct and the metal air duct is not equipped with embedded parts, or the sealing gap is too large or the connection is not tight.

7、柔性短管、矩形短管安裝時產(chǎn)生扭曲。

7. Twisting occurs during the installation of flexible and rectangular short pipes.

短管扭曲易產(chǎn)生質(zhì)量問題，也影響美觀，在安裝時需要特別留意。

Twisted short pipes can easily cause quality problems and also affect aesthetics, so special attention should be paid during installation.

8、防排煙系統(tǒng)的柔性短管采用易燃材料

8. The flexible short pipes of the smoke exhaust system are made of flammable materials

防排煙系統(tǒng)柔性短管的制作材料必須為不燃材料，且應(yīng)選用防腐、防潮、不透氣、不易霉變的柔性材料。用于空調(diào)系統(tǒng)的應(yīng)采取防止結(jié)露的措施；用于空調(diào)凈化系統(tǒng)的還應(yīng)是內(nèi)壁光滑、不易產(chǎn)生塵埃的材料。

The production material of flexible short pipes for smoke control and exhaust systems must be non combustible materials, and flexible materials that are corrosion-resistant, moisture-resistant, breathable, and not easily moldy should be selected. Measures to prevent condensation should be taken for air conditioning systems; The materials used for air conditioning purification systems should also have smooth inner walls and are not prone to dust generation.

9、風管系統(tǒng)不設(shè)置防擺支架。

9. The air duct system is not equipped with anti swing brackets.

在實驗室通風管道安裝時，當水平懸吊的主、干風管長度超過20m時，應(yīng)設(shè)置防止擺動的固定點，每個系統(tǒng)不應(yīng)少于1個，如果不設(shè)置，則系統(tǒng)運行時會產(chǎn)生風管移動、震動。

When installing ventilation ducts in the laboratory, when the length of the main and main air ducts suspended horizontally exceeds 20m, fixed points should be set to prevent swinging. Each system should have at least one fixed point. If not set, the air ducts will move and vibrate during system operation.

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