Control rod and horizontal high-temperature gas cooled reactor

The invention discloses a control rod and a horizontal high-temperature gas cooled reactor comprising the control rod, the control rod comprises a front section, a rear section and a connecting joint, the connecting joint detachably connects the front section and the rear section into a whole, the surface layer of the front section is made of a metal material, and the surface layer of the rear section is made of a ceramic material. The control rod is divided into a front section and a rear section which are connected with each other, and the front end and the rear end are respectively made of different materials, so that the requirements of different working environments on the properties of toughness, high temperature resistance and the like of the materials can be met. 本发明公开一种控制棒及包括该控制棒的卧式高温气冷堆，所述控制棒包括前段、后段以及连接节，所述连接节可拆卸地将前段与后段连接成一体，所述前段的表层采用金属材料制成，所述后段的表层采用陶瓷类材料制成。所述控制棒分为前、后相互连接的两段，并且前、后两端分别采用不同的材料，从而可以满足不同工作环境对材料的韧性以及抗高温等性能的要求。