Doubts about the two-color ball lottery?

The number of the two-color ball is shaken by the lottery machine.

Both the two-color ball lottery machine and the lottery ball are imported from France.

"Two-color ball" lottery machine is specially imported from RYC- Cato Company by China Welfare Lottery Distribution Management Center. The whole machine is 2.02 meters high, 0.75 meters wide and weighs 85 kilograms. The shape of the "two-color ball" lottery machine is divided into two parts, the lower part is the base, which is 0.77 meters high, and the upper part is composed of a spherical mixing room and a number ball preview frame.

The spherical mixing chamber and the number ball preview frame are made of high-density plexiglass with good light transmission, high hardness, wear resistance and corrosion resistance. The base is made of high-strength alloy, which is durable and has long service life. The lottery adopts the mixing mode of two-wheel bidirectional rotation of the mixing chamber chassis, which can fully mix the lottery balls evenly and ensure the randomness of the balls. Due to the great power of the lottery machine, the colored balls are stirred by the bottom turbine and turned up and down in a gravity catcher with a diameter of 0.75 meters. The scene is really beautiful. This will also become a beautiful landscape at the lucky draw site.

"Two-color ball" lottery ball is also provided by RYC- Cato Company, which is a patented lottery number ball. Numbering balls are hand-made from natural rubber synthetic raw materials, which are solid balls with bright red and dark blue colors respectively. The numbered ball is hard in texture, heavy in weight and not easy to deform. The standard weight of each ball is 24g, and the allowable error is+1g. The standard diameter of the lottery ball is 50 mm, and the allowable error is+0.5 mm. Every time the lottery ball is used for 20 times, it will be cleaned once. The cleaning process needs to be cleaned with special cleaning solution under the supervision of a notary. The cleaned lottery balls should be dried and weighed to ensure that each ball is in good condition, and then sealed to ensure the notarization of the lottery.

Notary's supervision over the whole process of two-color ball lottery

In the two-color ball lottery, red and blue numbered balls should be shaken from two lottery machines, and each group of numbered balls has 33 red numbered balls and 16 blue numbered balls. China Welfare Lottery Distribution Management Center * * * introduced two lottery machines, each equipped with two sets of numbered balls.

After selecting the lottery balls, the staff will put the numbered balls into the lottery machine under the supervision of the notary. The whole process of ball selection and ball loading will be recorded by the evidence preservation camera and kept as files.

After the lottery is over, the notary will notarize the lottery process to ensure that every step is accurate. After the lottery, the two-color ball lottery machine should be inspected and then sealed on site. The lottery ball will be tested by notary, put back into the password box, affixed with a seal, affixed with data such as sealing time, sealing person and last use time, and then put back into the safe. The whole workflow is carried out under the supervision of a notary.