How long should you dry your quilt in winter? Can it kill mites? What points need to be paid attention to?

1. How long should you leave your quilt in the sun in winter?

(1) The weather is sunny in winter and you can dry yourself under the quilt. The best time is from 10 am to 2:30 pm. If you want to stay in the sun for a while and you don't have time to close the quilt, cold air and moisture will invade, making it damp, which is counterproductive.

(2) Put the quilt on the rope and put it in the quilt cover, mainly inside the quilt cover. Let the quilt cover dry after one o'clock in the afternoon. You can pick it up at four o'clock in the afternoon. It’s best to take a photo when you collect it. If it's really dirty, you'd better have a stick or something to hit it with. The purpose of drying the quilt is to use ultraviolet rays to kill bacteria in the quilt. I often dry myself under the quilt, which makes sleeping with it very comfortable.

(3) When drying the quilt, in order to avoid direct sunlight, you can cover it with a sheet, but you should turn the quilt over in the middle so that both sides can get even sunlight. Kapok is exposed to the sun twice a week for three to four hours each time. Fiber blended cotton is ideally left to dry for two to three hours once a week.

(4) The wool should be dried in the shade twice a month for two hours each time. Feathers are dried once a month in a cool place for 30 minutes in summer and 1 hour in winter.

(5) The feather quilt can also be placed on a chair indoors, as long as it can be ventilated.

2. How long does it take to dry the quilt to kill mites?

(1) Drying the quilt in summer

The temperature is 39℃ and the sun is shining brightly. Half a pound of silk is cut into small squares that are 40 cm long, 30 cm wide and about 1 cm thick. Place it flat in a transparent plastic storage box, with about 100,000 mites evenly dispersed in the silk wadding, and expose it to the sun for 4 hours. As a result, all the 100,000 mites were basically killed. Although there were stocks under the quilt, they were still dying.

(2) Thick quilt in autumn

The temperature is 25℃ and the sun is shining brightly. The quilt is a silk quilt weighing 6 kg, and other experimental conditions are the same. Four hours later, under the microscope, although many dead mites could be seen on the winter quilt, there were still many alive and running around. Basically, this kind of mild sunlight can only kill about 70% of the mites, and the "vitality" of the surviving mites is pretty good.

So it is wrong to say "the sun can only kill 3.8% of mites". In the summer, the effect of drying the quilt is obvious, but in autumn and winter when there is not enough sunlight to dry the quilt, the effect is greatly reduced.