In the production process of hollow glass, the sealing link is particularly important. In addition, there is an equally important and more difficult operation factor. The selling point of hollow glass lies in a series of excellent performances, such as sound insulation, heat insulation and so on. These performances depend on the gas filling in the middle and sealing afterwards. These two steps determine the quality and performance of hollow glass. Today, Xiaobian will tell you about the production conditions and assembly requirements of hollow glass.
Principle of hollow glass and control of aeration process:
Interlayer of hollow glass is filled with inert gas, which is not easy to react with the outside world, so it can make hollow glass have sound insulation, heat insulation and other excellent properties. Argon is often used as inert gas in hollow glass, but argon is a colorless odorless gas, and its aeration concentration is difficult to measure. So how to measure it? Inflatable hollow glass.
The concept of production process control of pneumatic hollow glass is to ensure that the production process of pneumatic hollow glass is in a controlled state, and to analyze, diagnose and real-time monitor the operation technology and production process that affect the quality of pneumatic concentration. Its function is to arrange the quality control of production process systematically, to control the factors that directly or indirectly affect the quality of production process, and to formulate and implement control plans to ensure the quality of production process.
Attentions should be paid in the production of air-filled hollow glass:
It takes about 6 to 8 hours for argon to diffuse completely in air-filled hollow glass. Therefore, the initial concentration of argon in air-filled hollow glass can only be detected after the gas diffuses completely. Therefore, either on-line measurement of the concentration of the aerated hollow glass or after 6-8 hours of complete diffusion of the inert gas
The main reason for the low initial concentration of aerated hollow glass is the turbulence phenomenon in the process of aeration. The significance of production control of aerated hollow glass lies in real-time monitoring of the whole aeration process, so as to effectively avoid turbulent phenomena that may occur during the aeration process of the hollow glass, and to improve and ensure the stability of the aeration quality.
Assembly requirements for hollow glass:
Environmental requirements: temperature should also be between 10 - 30 degrees; 2. Relative humidity requirements: this kind of hollow glass relative humidity requirements are slightly lower, normal conditions can be. However, it should be noted that driers should select qualified products from regular manufacturers to ensure the effective use of driers. The desiccant is better to be used up within 24 hours after opening, because polysulfide rubber has a large air permeability and poor sealing, so double-channel sealing should be adopted. Butyl rubber is used as a seal to isolate gas. Using polysulfide glue as the second seal, the main function is bonding, followed by gas insulation. Practice has proved that the service life of single-product sealed hollow glass is only about 5 years, while that of double-channel sealed hollow glass can be as long as 20 years or even more.
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