Nowadays, in order to purify the indoor environment and ensure the health of breathing, many friends will choose to install the fresh air system ventilation duct. The installation of the pipe really brings more convenience to our life. It not only provides us with fresh air, but also adjusts the indoor humidity. In order to help you better use the ventilation duct of the fresh air system, we specially arrange for you Installation and cleaning methods for your reference.
1、 Installation of ventilation duct of fresh air system:
1. In order to reduce the wind resistance and noise of the ventilation duct of the fresh air system, the connection between the fresh air outlet, exhaust outlet and the main engine should be installed with muffler or connected with soft connection.
2. For the main unit of fresh air system installed on the ceiling, shock absorber should be installed on the suspender.
3. The main engine and metal air duct of fresh air system should be insulated.
Location selection of air outlet of fresh air system: uniform in principle
4. The location selection of fresh air system outlet: in principle, it should be uniform to ensure that the indoor fresh air volume can reach balance. Not suitable for tuyere opening: the tail of the air duct, turning and reducing.
5. Installation of air valve in fresh air system: air volume regulating valve shall be installed at the junction of main air duct and branch pipe at near end and end, and air guide vane or air volume regulating valve can be used in the middle of pipeline system.
6. When the ventilation pipes of fresh air system are connected, they should be connected by flange, and rubber filler strip should be added.
7. When the main machine of fresh air system is used for concealed installation, it is necessary to reserve maintenance access.
2、 Cleaning of ventilation duct of fresh air system:
1. The robot equipped with camera head is used to enter the pipeline to shoot and record the pollution condition in the air duct; according to the building drawings of the residence, the construction scheme of pipeline cleaning is formulated in detail with the customer;
2. Open construction holes at appropriate parts of ventilation pipes of fresh air system, and block both ends of pipes with blocking air bags outside the two opening positions; connect the dust collector to one of the construction holes with hose, so as to generate negative pressure air flow in the air duct, so that dust and dirt can be inhaled into the dust collector; select appropriate cleaning brush, and use pipeline cleaning robot or flexible shaft brush to clean the pipeline; after cleaning, the dust collector is connected to one of the construction holes The robot takes photos and records to confirm the cleaning quality;
3. After the cleaning quality is approved, spray disinfectant in the cleaned pipeline; clean and move the cleaning equipment to the next section of pipeline; re seal the opening with the same material; clean and repair the damaged moisture layer of air duct; clean the site to ensure that the next step work will not be affected.
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