Spherical two-barrel heavy oil filter

The invention discloses an SQZL80 spherical two-barrel heavy oil filter. The spherical two-barrel heavy oil filter comprises a first filter cavity, a second filter cavity and a switching mechanism, wherein the first filter cavity and the second filter cavity are symmetric to each other, the first filter cavity is connected with the second filter cavity through the switching mechanism, the lower end of the first filter cavity and the lower end of the second filter cavity are respectively provided with an oil inlet, the upper end of the first filter cavity and the upper end of the second filter cavity are respectively provided with an oil outlet, a filter core assembly is arranged in each of the first filter cavity and the second filter cavity, each oil outlet is connected with an oil outlet pipe, each oil outlet pipe is provided with a valve, the first filter cavity is communicated with the second filter cavity through a ventilation pipe, the ventilation pipe is provided with a balance valve, the switching mechanism comprises a first ball valve and a second ball valve, which are arranged to be one above the other, a connecting rod is arranged between the first ball valve and the second ball valve, and two ends of each of the first ball valve and the second ball valve are respectively connected with the first filter cavity and the second filter cavity through the connecting plate. The SQZL80 spherical two-barrel heavy oil filter is reasonable in structure, convenient to operate, free from leaking the heavy oil, capable of working continuously, efficient for reducing the consumption of fuel oil, safe, reliable, energy-saving, environmentally friendly and convenient to disassemble and repair.