Crystallizer wide-side copper plate

The utility model provides a crystallizer open side copper plate, the back of which is provided with a fixed pin and a connecting bolt, the upper opening of the copper plate is provided with thermocouple attachment positions. The copper plate is characterized in that the lower opening of the back of the copper plate is also provided with thermocouple attachment positions which have the same quantity with the thermocouple attachment positions of the upper opening, and the thermocouple attachment positions of the lower opening and the upper opening use the center point of the copper plate as a center and are centrally symmetrical. The crystallizer open side copper plate can realize that the copper plate can be used by switching up and down when the heat check of the upper opening comes to a certain degree during the use, and improves the service life by more than 1/3, thereby effectively lowering the production cost.