Summarize the practical effect of vegetable greenhouse thermal insulation quilt and use attention in spring

In winter, vegetable greenhouse insulation is a good insulation material, and it is also an important equipment used in agriculture. However, many users are not particularly ideal when using it, especially in some relatively cold winters, it is necessary to do a good job of using the vegetable greenhouse insulation quilt. Without correct operation, it will cause poor use effect, so only the correct use of vegetable greenhouse insulation quilt can give full play to its effect. The vegetable greenhouse insulation quilt is widely used in agricultural construction because of its excellent characteristics. Only by fully understanding the insulation structure of the vegetable greenhouse insulation quilt can the vegetable greenhouse insulation quilt be used reasonably and the effect of heat preservation can be achieved. The thermal insulation quilt is an energy-saving production facility. Because of its low construction cost and good thermal insulation effect, many agricultural producers use it in production. The thermal insulation performance of a solar greenhouse is a comprehensive result of many factors. In addition to rationally determining the size of the greenhouse structure and construction materials, it is also critical to select appropriate thermal insulation quilt materials and plastic films. The ideal thermal insulation quilt should have the advantages of small heat transfer coefficient, good thermal insulation, moderate weight, easy to roll and unwind, good windproof, waterproof and long service life. The commonly used thermal insulation quilts and vegetable greenhouse thermal insulation quilts are of various materials and specifications. The main applications include vegetable greenhouses, herb greenhouses, and breeding greenhouses, and then gradually extended to long-distance transportation coverage. There are also many advantages: 1. Convenient to clean vegetables The outer layer of the greenhouse insulation quilt is designed with non-woven fabrics, which can prevent the entry of dust and magazines, and its own cleaning ability will not affect the light transmission intensity at all, and the photosynthesis of crops will proceed normally, increasing the yield. 2. Good thermal insulation performance It is covered on the thermal insulation film of the vegetable greenhouse to keep the temperature in the greenhouse unchanged, reduce the heat loss rate, and ensure that the temperature in the greenhouse can be 3~5 degrees higher than the outdoor temperature for a long time. 3. Light weight The new type of vegetable greenhouse insulation quilt is all made of materials. Compared with the traditional insulation quilt, it has the characteristics of small size, light weight and easy storage. 4. Long service life Generally, the service life of straw mats will not exceed four years. The rolling shutter machine is used for daily retraction work. The straw mats are easy to be scattered and the production cost will increase. The thermal insulation quilt is made of non-woven fabric, the interface connection is tight and not easy to be damaged, can withstand strong pressure and tension, and has a service life of 20 to 30 years. Precautions for using vegetable greenhouse thermal insulation quilt in spring: 1. The vegetable greenhouse thermal insulation quilt is on the back wall of the greenhouse and should be fixed on the top of the wall, so that the top of the wall has a certain slope to the north, and needs to be covered with a complete tarpaulin , which is conducive to the outward discharge of rainwater and prevents rainwater from soaking the thermal insulation quilt. 2. When the thermal insulation quilt covers the bottom of the greenhouse, water should be accumulated on the ground in time to prevent rainwater from soaking the thermal insulation quilt. Qualified farmers should place old grass curtains at the junction of the ground and the greenhouse film to prevent the vegetable greenhouse from being exposed to the ground and damp. 3. After the insulation is covered, the east and west walls of the greenhouse should be pressed 30cm, and pressed with sandbags to prevent them from being blown by the strong wind and reduce the insulation effect of the greenhouse. 4. The connection between the two beds of the heat preservation quilt should not be less than 10CM when the greenhouse heat preservation quilt is used. The nylon rope under the vegetable greenhouse heat preservation quilt is fixed on the mechanical iron rod of the greenhouse, and the upper end is fixed on the steel wire. During the use process If there is a curling deviation in the middle, the insulation should be adjusted in time to ensure that the insulation is fully covered on the greenhouse. After the thermal insulation is covered on the top of the greenhouse, a connecting rope is used to connect the thermal insulation lap joints into one.

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