国家/地区 中国（4）
IPC部 B（4）
IPC大类 B01（4） F16（2）
IPC小类 B01J（4）
IPC B01J019/00（4）
发明人 LI L（2）
公开年 2021（4）
申请年 2020（2）  2021（2） 
专利权人 HEILONGJIANG.（2）

Reaction kettle lower spreading type discharging valve, has fixing ring whose inner ring surface is in interference fit with outer wall of push rod, where fixing ring is matched with inner step structure to locate sealing plug.

CAO D, WU Y, LI L

Non-blocking reaction kettle downward spreading type discharging valve, has tip divided into tip tail section from back to front, where connecting part of tip middle section and tip front section outer ring surface is smoothly transited.

ZHOU R, GRIGORIEVNA B N, GRIGORJEVIC B A

Cooling device for processing graphene, has second cooling pipe whose one end is fixedly connected with storage box and other end is connected with one end of first cooling pipe through conduit.

LI L

Ultra-fast heating sintering device useful for melting, welding and chemical reaction processes comprises electric insulating heating cavity, and electrode sheets arranged in electric insulating heating cavity.

WANG L