Chapter 196 (1/2)
Now that Aite had thought about it, he went on to say, ”the roof ventilation I designed adopts the ridge butterfly staggered window opening mode, selects the high-end brand with limit reduction motor and rack and pinion mechanism, and the design ventilation window ratio is about 24%, while the side ventilation is the East and west sides of the greenhouse, which is about 0.6m above the ground. The hollow white float bowl sliding window of plastic steel is installed, and the window height is 1.2m.”
”There is also the anti insect net. All windows should be equipped with 25 mesh anti insect net, and the wet curtain should be equipped with 25 mesh anti insect net, so that the isolation performance is good, and it is easy to replace. However, due to the structure of the greenhouse, the characteristics of heating equipment and cooling equipment will cause the difference of temperature, humidity and carbon dioxide concentration between different areas in the greenhouse,” zxsm said
Therefore, in order to make the air temperature, humidity and carbon dioxide concentration evenly distributed in the crop growing area, it is necessary to use fans to make the air flow artificially. 21 circulating fans are arranged in the greenhouse in order to ensure the continuity of air flow and prevent the air flow from blowing directly to the crops
”In addition, all gutters should be equipped with aluminum alloy condensate recovery tanks, and equipped with brackets and end outlets with PE hose. The condensate water is discharged to the outside through water pipes, so as to better reduce the humidity in the greenhouse, facilitate the growth of crops and prevent diseases and pests. The condensate water from the roof enters the condensate recovery tank through the condensate water guide installed on the rafters.”
Jessie Zhou seems to have a strong sense of listening, but this time he can understand it. It's a lot easier to separate these things. If you think about it carefully, you can understand what it means“ Good, att. you go on
Aite took a sip of coffee, then fiddled with the computer, and then pointed out to Jesse Zhou that ”the following is the more important internal shading and heat preservation system, which can improve the ecological environment of the greenhouse in many ways.”
”In the hot summer, its sunshade can block part of the sunlight, diffuse the sunlight into the room, evenly irradiate the crops, protect the crops from strong light, and reduce the greenhouse temperature by 4-6c; By selecting different screens, different shading rates can be formed to meet the needs of different crops for sunlight
”At night in winter, the inner sun heat preservation system can also effectively prevent infrared escape, reduce the loss of radiant heat on the ground, and reduce the consumption of heating energy. The curtain uses a dual-purpose sunshade and heat preservation curtain, with a sunshade rate of about 70% and an energy-saving rate of about 57%, which can greatly reduce the operating cost of the greenhouse.” Aite flipped up and down several pictures, so that Jessie Zhou could have a better understanding
”Well, it's a good design!” After seeing it, Jessie Zhou said
”Then there is the external sunshade system, which can block the extra sunlight outside in summer to form a shade, protect crops from strong light burns, and create suitable growth conditions for crops. The sunshade curtain can meet the indoor requirements, control the humidity and maintain the appropriate heat level, so that the sunlight diffuses into the greenhouse planting area, ”Keep the best environment for growing crops,” att said, pointing to the picture
”And the fan
The wet curtain cooling system uses the evaporation cooling principle of water to achieve the purpose of cooling. The core of the cooling system is the wet curtain which can make water evaporate. It is made of corrugated fiber paper. Due to the special chemical composition added in the raw materials, it is corrosion-resistant and has long service life
”In addition, the special water supply wet curtain can ensure that the water can evenly wet the whole cooling wet curtain wall. When the air penetrates through the wet curtain medium, it exchanges with the water vapor on the surface of the wet medium, and transforms the sensible heat of the air into the latent heat of vaporization, so as to realize the humidification and cooling of the air.”
”I plan to install the wet curtain at the north end of the greenhouse, and the fan at the south end of the greenhouse. When it is necessary to cool down, I will start the fan through the command of the control system to forcibly extract the indoor air, causing negative pressure.”
”At the same time, the water pump blows the water on the opposite wet curtain wall. When the outdoor air is sucked into the room by negative pressure, it passes through the gap of the wet curtain at a certain speed, causing the water to evaporate and cool down. After the cold air flows through the greenhouse to absorb the indoor heat, it is discharged by the fan, so as to achieve the purpose of circulating cooling.”
”Wow, it's a wonderful design,” even Atwood could not help saying. Then he turned to old ATT and said, ”old man, it seems that your son is much better than you. I think you can almost consider retiring!”
”Ha ha, I'm really ready to retire recently. Now it's time to enjoy my life. I don't want to be reluctant to give up a few years ago. Now when I see Aite, sometimes I feel old!” Old Aite slightly helpless said