Sealing device applicable to three-way pipeline

The invention discloses a sealing device applicable to a three-way pipeline. A lug plate, a fixed ring and a sealing box are included; the lug plate comprise a first lug plate body and a second lug plate body; and the first lug plate body and the fixed ring, the fixed ring and the sealing box, and the sealing box and the second lug plate body are welded together. According to the sealing device, the fixed ring is fixed to a main pipe needing to be sealed, a proper amount of sealant is injected into the sealing box through a glue injecting hole and a glue injecting channel, and therefore a leaking point is sealed, the leaking point of the three-way pipeline can be controlled under the condition without shutdown, and it is avoided that due to pipeline leaking, production shutdown is caused,and huge waste is caused to an enterprise and safety accidents are caused. 本发明公开了种适用于三通管道的密封装置，包括：耳板、固定环和密封盒，所述耳板包括第耳板和第二耳板，所述第耳板与所述固定环、所述固定环与所述密封盒、所述密封盒与所述第二耳板焊接在起。本发明提供的密封装置，利用固定环固定在所要密封的主管上，将适量密封胶通过注胶孔和注胶通道注入密封盒内，从而将漏点密封，可