In many industrial workshops, we can often see various pipelines, among which the common ones are Shenyang ventilation pipeline And smoke exhaust pipe. Their shapes are similar, and some unknown friends can't be distinguished, so Ventilation duct What is the difference with smoke exhaust pipe? What are their characteristics? How to distinguish? I hope it can be helpful to answer these questions for you.

1、 How to distinguish between smoke exhaust pipe and ventilation pipe

1. Different functions

Ventilation duct is a metal or composite duct for ventilation and air conditioning engineering of industrial and civil buildings, which is an industrial and municipal infrastructure to circulate air and reduce the concentration of harmful gases;

The smoke exhaust pipe is to avoid harmful substances produced during the production of facilities, which will pollute the air in the workshop. It usually collects harmful substances from the exhaust fan or suction outlet, and then sends them to the purification equipment through the pipe for treatment. Only after reaching the standard can they be discharged or reused.

2. Different uses

Ventilation pipes generally include: air supply and return pipes of purification system, central air conditioning ventilation pipes, industrial air supply and exhaust ventilation pipes, air suction and exhaust pipes of environmental protection system, mine gas drainage pipes, mine adhesive coated air ducts, etc; Ventilation pipe is usually used in industry, construction engineering, urban infrastructure;

The main purpose of the exhaust duct is to extract air and smoke. The purpose of the smoke exhaust pipe is to exhaust the indoor smoke and dust to the outside through the exhaust machine. Since the smoke and dust often stick to the pipe, the smoke exhaust pipe needs to be cleaned frequently. Smoke exhaust pipes are widely used in hotels, factories, etc.

3. Different materials

The ventilation ducts are classified by material: steel plate air duct (ordinary steel plate), galvanized sheet (white iron) air duct, stainless steel air duct, glass fiber reinforced plastic air duct, plastic air duct, composite material air duct, color steel sandwich insulation board air duct, double-sided aluminum foil insulation air duct, single-sided color steel insulation air duct, adhesive coated air duct (such as mine air duct), mine plastic air duct, etc;

According to the current national standards for ventilation ducts: the smoke exhaust ducts are made of steel sheet (ordinary steel plate), galvanized sheet (white iron), stainless steel smoke exhaust ducts, glass fiber reinforced plastics smoke exhaust ducts, plastic smoke exhaust ducts, composite smoke exhaust ducts, color steel sandwich panel smoke exhaust ducts, and industrial air supply and exhaust smoke exhaust ducts. The smoke exhaust pipes in the environmental protection system are divided into: air suction and exhaust pipes, mine gas drainage pipes, mine adhesive coated air ducts and other central air conditioning systems for industrial and construction workers in factories and office buildings, dust removal, smoke exhaust, oil suction and other exhaust pipes for industrial pollution control, and air supply pipes for industrial environment or post comfort.

2、 What are the precautions for installing smoke exhaust pipes

1. The location of the smoke exhaust pipe is particularly important. The shorter the normal pipe, the better. This is not only more beautiful, but also can discharge the lampblack cleanly.

2. Each kitchen, such as factory hotels, needs to be equipped with a flue, and the flue also has a main and auxiliary pipe respectively. The main pipe is connected to the whole building, and the auxiliary pipe is independent. Generally, the lampblack in the home will be stored in the auxiliary pipe first, and then enter the main pipe through the hole on the partition board. Therefore, the auxiliary pipe must be kept well when installing the flue to prevent the occurrence of smoke pouring or smoking.

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