When it comes to caring for the inner tube of a silk quilt, it's important to avoid washing or dry cleaning it. It should also be kept away from harsh chemicals. On a sunny day, you can place it on your balcony for a short time, but make sure it's not directly exposed to sunlight. Drying time should be limited to about an hour to prevent damage. Also, avoid placing mothballs or insect repellents inside the silk cover, as these can harm the delicate fabric over time. After some use, you may notice the inner tube of the silk slightly yellowing and becoming less fluffy. This is completely normal and doesn't affect the quality or performance of the quilt. Just remember to keep it out of direct sunlight at all times. The silk quilt typically has three layers: the silk itself, an inner sleeve, and a quilt cover. The combination of the silk and inner sleeve is considered the core, which should not be washed (unless it's specifically labeled as washable). However, the outer quilt cover is removable and can be laundered easily. That’s why the inner part usually stays clean and untouched. Silk naturally resists static electricity, which means it doesn’t attract dust or dirt like synthetic fibers or wool do. Even after years of use, your silk quilt will remain surprisingly clean. So there's no need to worry about it getting dirty quickly. Can you wash the silk? If the core gets stained accidentally, you can gently wipe it with a neutral detergent in a cool place. If you're unsure how to handle it, take it to a professional dry cleaner for spot treatment. With proper care, a high-quality silk quilt can last up to 10 years or more, making it a long-term investment in comfort and luxury.
Electric valve is a device that drives the valve to open and close by electric motor. It is widely used in various industrial and civil fields, such as metallurgy, chemical industry, petroleum, natural gas, heating, ventilation and air conditioning, automatic control, etc. The following are some application scenarios of electric valves:
1. Fluid control in industrial production: electric valve can be used to control the flow, pressure and temperature of liquid, gas and steam to meet the needs of industrial production.
2. Oil and natural gas industry: electric valves can be used in oil and natural gas exploitation, processing, transmission and storage to control flow and pressure and ensure production safety and efficiency.
3. Chemical industry: electric valve can be used for fluid control in chemical production, such as acid-base solution, gas and liquid reactant control, to ensure the safety and efficiency of production.
4. Heating, ventilation and air conditioning system: the electric valve can be used to control the water flow, air flow and temperature in the heating, ventilation and air conditioning system to meet the requirements of the indoor environment.
5. Automatic control system: electric valve can be used with automatic control system to realize automatic control and adjustment of fluid flow, pressure, temperature and other parameters.
In short, electric valves are widely used in industrial and civil fields, which can improve production efficiency, ensure product quality and improve production safety.
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