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对托卡马克抽气限制器的原理以及设计原则进行了详细论述。对抽气限制器及等离子体行为的影响、边界粒子排灰效率进行了论述和计算，设计出一个小而灵活的HT-6M抽气限制器，并在装置上进行了初步的物理实验。明显地观测到等离子体参数的改善，密度极限从2.4×1013／cm3上升到2.8×1013／cm3。等离子体能量及粒子约束时间都得到改善，从而证明抽气限制器是个非常有效的粒子控制部件。
The principle and design principle of tokamak suction limiter are discussed in detail. The influence of exhaust limiters and plasma behavior, the efficiency of particle discharge at boundary particles, and the design of a small and flexible HT-6M aspiration limiters were studied. The preliminary physical experiments were carried out on the devices. Plasma parameters were clearly observed to improve, with the density limit rising from 2.4 × 1013 / cm3 to 2.8 × 1013 / cm3. Plasma energy and particle confinement time have been improved, thus demonstrating that the exhaust limiters are a very effective particle control component.