The invention discloses a lubricating
oil storage tank. The lubricating
oil storage tank comprises a
storage tank, a heating cylinder is arranged at the outer side of the
storage tank, supports are arranged on the two sides of the bottom end of the
storage tank, a base is arranged at the bottom ends of the supports, a liquid outlet
pipe and a liquid inlet
pipe are arranged at two sides of the topend of the heating cylinder correspondingly, a filter
cartridge is arranged at the top end of the liquid inlet
pipe, a fixing cover is arranged at the top end of the filter
cartridge, a first pipelineis arranged at the top end of the fixing cover, the bottom end of the first pipeline penetrates through the fixing cover, the liquid inlet pipe penetrates through the filter
cartridge, a
silica gel sleeve is arranged on the inner wall of the filter cartridge, a filter screen is arranged at the bottom end of the inner wall of the
silica gel sleeve, an annular groove is formed in the top end of theinner wall of the
silica gel sleeve, a first sealing
gasket is arranged on the top end surface of the filter cartridge, and a sealing groove is formed in the top end surface of the filter cartridge.The silica gel sleeve is additionally arranged at the outer side of the filter screen, so that a worker can replace the filter screen conveniently, the liquid inlet efficiency of the liquid inlet pipeis further improved, and the
heating efficiency of the heating cartridge on the storage tank is further improved.