Analysis on the Hazardousness of Water Entering the Thermal Insulation Layer of the Greenhouse

As we all know, greenhouse insulation quilts are mainly used in winter to protect the vegetables in the greenhouse from being damaged by the severe cold weather in winter. The effect of greenhouse insulation mainly depends on the quality of the greenhouse insulation. We should have been clear about the principle of greenhouse insulation, that is, in the case of the external volume of the greenhouse, try to increase the internal space. For the time being, we don't care what the original material is, no matter what kind of shed is filled with water, then the temperature conduction property of the shed is directly changed from gas-solid mixing to solid, liquid conduction. The water freezes, and when the outside temperature is higher than the body, the ice itself absorbs heat, which accelerates the loss of temperature in the shed. At this time, the greenhouse is not only unable to keep warm, but also accelerates the loss of temperature in the shed. This is more than worth the loss. To make a vegetable greenhouse, it is necessary to use a waterproof greenhouse quilt. The better the waterproof effect, the longer the service life of the quilt. Often a shed has a short service life, except that the original thatch is a plant fiber, which is easy to rot. The main reason is not that the material is easy to break, but is caused by external reasons. Nowadays, many shed quilts are made of multi-layer garbage cotton. The reason why this kind of shed quilt has to be changed is that this material is very easy to absorb water, and it is not easy to emit water after entering. , it is inconvenient to handle, it rains less in time, and in areas with relatively high air humidity, after a long time, there is still a lot of moisture inside. . If it is not for this reason, the thermal insulation quilt made of garbage cotton still has great advantages. When the greenhouse insulation is used, there will be many problems if you do not pay attention. For example, if the insulation layer gets water, it is easy to cause the insulation material to rot inside. If rot occurs, the thermal insulation effect will be greatly reduced. The greenhouse insulation is stored on the back wall or transported to the home to be sealed with a waterproof membrane. It is required that the thermal resistance of the insulation material covered at night on the front slope of the greenhouse should reach the total thermal resistance of the wall, which will cause indefinite damage to the greenhouse, regardless of stretching. Strength can be obtained by testing or compression testing. Friends who often use greenhouse thermal insulation quilts should know very well that damaged thermal insulation quilts will be greatly reduced in terms of windproof, waterproof and thermal insulation. This is a problem that every friend is very troubled by, but they do not know how to solve this kind of problem. Below, Zhongshan LINYANG will introduce the quick repair method for damaged greenhouse insulation. The main function of the greenhouse insulation quilt is for the insulation of greenhouse vegetables in winter. Therefore, once the insulation quilt is found to be damaged, it should be corrected in time. To repair the thermal insulation quilt, first find the damaged area and then use a special spray gun to align the damaged area for repair. The selected repair agent is a polyurethane material with low polymer density, which can stick to the damaged wound in a very short time, and will not waste production. time for work. After 10 minutes, the modified film insulation quilt can be used, and if you want to shorten the solidification time, you only need to heat it. After the modification, the wear resistance of the thermal insulation quilt will be greatly increased, which is 3 to 5 times of the previous one, extending the service life.