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How to install ventilation skylights properly and what can be done after installation?

Time: 2019-10-19 14:23 Browse times: Source: Shandong DUKAI Ventilating Equipment Co., Ltd.

General factory buildings will install ventilation skylights, but the installation of skylight is also required, not to install where it is, that location, need a scientific and rational layout, otherwise it will not play the role of ventilation skylights.

1. How to install ventilation skylights properly.

    1, reasonable planning of inlet and outlet.

When the plant is naturally ventilated, because the wind pressure is constrained by natural conditions, it has variability, and there is no wind pressure when there is no wind. Therefore, wind pressure is not suitable for the natural ventilation of power plants under normal circumstances. When the plant construction mode and heat dissipation amount are punctual, reasonable planning of intake and exhaust ports is the key to improving the natural ventilation of the workshop.

The criterion of natural ventilation planning should be as far as possible to reduce the azimuth, because the low azimuth of the neutral surface means that the fresh air coming from the outdoors into the workshop will flow through the working area most or all, which obviously will play a decisive role in lowering the temperature of the operating area and the air quality in the operation area, that is, the progress of natural ventilation.

According to the principle of natural ventilation, when the volume of intake and discharge is fixed, the key means of lowering the position of the neutral surface is the ratio of reasonable coordination and inlet area.

    2, we should try to prevent air intake short flow appearance.

The so-called intake short flow, that is, the fresh air entering the workshop by the air inlet, has been heated up to the outside of the exhaust window before the operation area is planned. It is obvious that such intake does not play the role of improving the air quality of the operation area and improving the thermal environment of the working area.

Therefore, in order to improve the natural ventilation of factory buildings, we should try to prevent the appearance of the short air flow. When the factory uses high side windows intake, it will form an intake short flow appearance, so it should be prevented under normal circumstances. There are many factors that form the short flow appearance of the workshop. Therefore, in the natural ventilation planning of intake, we should carefully analyze, prescribe the right medicine and adopt useful methods. Try to prevent such appearances.

    3. For natural ventilation of multi span workshops, it is necessary to adopt useful methods.

In large enterprises, there are a number of multi span workshops. Such plants not only have a large amount of heat dissipation, but also are multi span, and some factories have a width of over 150m, which is a difficult problem in the natural ventilation planning of the plant. Because the factory building is very wide, only the air intake on both sides of the external wall is not only satisfied, but also the intake depth is far from reaching.

As for the central part of the workshop, it is inevitable that all the intake air will be short. Under such circumstances, if we do not adopt the useful method, we can only get the area of the skylight through the natural ventilation calculation, and no more skylights will be able to meet the requirements.

To deal with this problem, it is possible to reserve an empty span or a patio in the middle of the heat, and also adopt cold and hot cross substitution planning, use cold cross roof windows to enter the intake, and also choose the tunnel wind mode. These three methods can, but also have shortcomings, and should be selected according to the actual conditions.

    4, attention should be paid to ventilation and ventilation in cold workshops.

In the natural ventilation planning of the workshop, it is necessary to create excellent ventilation conditions for the cold workshops except for the need for roof insulation.

Two, what effect can it play after installing ventilation skylight?

1, produce air convection to disperse hot gas, reduce indoor temperature and circulate fresh air.

2. Draw the roof moisture, mildew, steam and keep the roof dry.

3, instead of heavy electric fan, save electricity, reduce expenses, no noise.

4, the use of workshop, warehouse, villas, ores and other places need ventilation.

The above is the introduction of "how to properly install the ventilation skylight after installation and how it works". I hope it can help everyone. If you have more questions about ventilation skylights, you can directly add WeChat to us or call the telephone above.

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