Steel structure workshop ventilation and cooling
Because some machines in the steel structure factory produce heat and water vapor, if these hot gases and water vapor are not discharged in time, they will accumulate in the factory, so that the temperature increase of the steel structure factory affects the environment of the steel structure factory. The solution to these problems is to ensure fair ventilation of the plant and install a suitable amount of ventilation system. The installation of a fair exhaust system will significantly improve the air environment of the steel structure plant and greatly reduce the temperature of the steel structure plant.
Install roof forced exhaust fan
A power fan is a kind of ventilation equipment driven by electricity. It has a good exhaust effect and can adapt to the ventilation of any environment.
The unpowered ventilator is a kind of ventilating device that relies on the principle of air convection. When there is a difference between the indoor and outdoor air environment, air activity will be generated to exclude indoor exhaust and hot air. Its strength is that it does not require additional electricity, which is more environmentally friendly. However, the dependence on the environment is strong, and forced exhaust cannot be forced. The main products are turbine ventilators, strip ventilators (daylight ventilation), roof ventilators, etc.
Install a roofless unpowered ventilator. The unpowered ventilator is a kind of ventilating device that relies on the principle of air convection to ventilate. When there is a difference in the indoor and outdoor air environment, air activity will be generated to exclude indoor exhaust and hot air. Its strength is that it does not require additional electricity, which is more environmentally friendly. However, the dependence on the environment is strong, and forced exhaust cannot be forced. The main products are turbine ventilators, strip ventilators (daylight ventilation), roof ventilators, etc.
Steel structure factory forced cooling
Forced cooling refers to the installation of a cooling fan on the roof of the factory. The cooling fan uses the principle of water cooling to cool the air, and the strong exhaust fan sends the cold wind to the indoor machine. It can keep the indoor temperature of the steel structure workshop at a quiet temperature of 26-30 ℃. Its power consumption is equivalent to 1/8 of the air conditioner. The cost is 1/2 of the air conditioner, which is a good way to force the plant to cool down.
Steel structure workshop insulation and cooling
Insulation of steel structure workshop can isolate most of the solar radiation and conduction heat, reducing the indoor greenhouse effect. Thereby greatly reducing the temperature of the plant and improving the environment of the steel structure plant. The commonly used methods now have the following two options:
Cover the roof of the steel structure factory with thermal insulation cotton. The thermal insulation cotton used on the roof is glass wool, the common thickness is 50mm, 75mm, 100mm, and the density is 10kg / m
The installation can generally reduce the indoor temperature by 5-8 ° C, and the construction process is more complicated. If the insulation of the old plant is renovated, the original roof needs to be removed, the steel wire mesh is pulled, the glass wool is laid on the steel wire mesh, and the original roof panel is covered Then do the waterproof treatment.
Spray high-efficiency heat-reflective coating on the roof panel. This product has excellent thermal insulation performance and can be coated on various surfaces such as the metal, concrete, gray wall, wooden structure surface, asbestos tile, plastic, glass fiber reinforced plastic, and rubber. The coating is 0.25mm thick, and its effect is commensurate with the effect of 250px-375px glass wool. It can reflect 99.5% infrared rays and 92.5% visible light. The highest sound insulation effect is 68%, and the average sound insulation effect is more than 50%. Fire-proof grade A, completely non-combustible. Non-toxic safety, long-term durability, the service life of more than 15 years (for specific description, please refer to engineering material file). If this method is used, the construction is convenient, with no damage to the original roof, and it can prevent the aging of the roof. After construction and before construction, the maximum temperature difference between the surface of the sheet can reach 20 ℃, the indoor temperature difference can reach 8-10 ℃, and the energy consumption of the steel structure plant can be reduced by 30-70%.