Abstract: Embodiments of the present disclosure provide a treatment pen, a main machine, and a limb pain treatment instrument. The treatment pen comprises: a pen rod and a pen cap detachably connected to a distal end of the pen rod, a treatment needle is mounted in the pen rod after the pen cap is detached, a switch button is provided on a surface of the pen rod; a needle tube of the treatment needle extends out of a distal end of the pen cap, a vibrator that can be controlled by the switch button to start and stop is provided inside the pen rod; the vibrator is configured to, when started, transmit physical kinetic energy corresponding to a vibration prescription signal to the treatment needle intervened into a lesion site.

Abstract: A device for preparing nano-carbon urea comprising: the urea inlet pipe is connected to the conical nozzle above the urea granulation tower, install the spray device under the natural ventilation window of the urea granulation tower, the spray device is connected to the atomizing nozzle through the spray manifold, the spray manifold is connected to the atomizing nozzle, they are all located inner the urea granulation tower above the urea rotary sweep, urea discharge funnel is set on the bottom of urea granulation tower; urea discharge funnel is connected to the drum drying device, an atomizer is arranged between the drum drying device and the urea discharge funnel. This utility model comprises two stages which combines tower internal, external spray absorption and drying, the content of urea nano-carbon is increased.

Abstract: A device for preparing nano-carbon urea comprising: the urea inlet pipe is connected to the conical nozzle above the urea granulation tower, install the spray device under the natural ventilation window of the urea granulation tower, the spray device is connected to the atomizing nozzle through the spray manifold, the spray manifold is connected to the atomizing nozzle, they are all located inner the urea granulation tower above the urea rotary sweep, urea discharge funnel is set on the bottom of urea granulation tower; urea discharge funnel is connected to the drum drying device, an atomizer is arranged between the drum drying device and the urea discharge funnel. This utility model comprises two stages which combines tower internal, external spray absorption and drying, the content of urea nano-carbon is increased.