A high-temperature vertical Suspended semi submersible sump pump

A high-temperature vertical Suspended semi submersible sump pump, with a filter screen and rib plate installed at the inlet of the pump body; The outlet flange of the pump body is connected with an outlet pipe component; The impeller is set at the left end of the first shaft through the impeller nut and chuck; The first rotating shaft is set in the middle bearing frame through a sliding bearing assembly; The right end of the first shaft is connected to a second shaft through a connecting component; The second rotating shaft is also set in the middle bearing frame through a sliding bearing assembly; The middle bearing frame is set on the middle connecting pipe; The left end of the middle connecting pipe is set on the pump cover, and the right end of the middle connecting pipe is set with a bottom plate; The right end of the bottom plate is sealed with a packing seat; A nitrogen connecting pipe is installed on the packing seat; The outer side of the packing seat is equipped with a thermal insulation device; A fan is installed on the outer wall of the second shaft on the right side of the packing seat; A bearing housing component is provided on the outside of the second shaft; The second rotating shaft is set inside the bearing housing component through a bearing sleeve for rotation; The right end of the second shaft is connected to a motor through a coupling.

Technical requirements: 1. A high-temperature vertical Suspended semi submersible sump pump, comprising a pump body (1), an impeller (2), and a pump cover (3); Characterized in that: a filter screen (4) and a rib plate (5) are provided at the inlet of the pump body (1); The outlet of the pump body (1) is flanged with an outlet pipe component (6); The impeller (2) is set at the left end of the first shaft (9) through an impeller nut (7) and a chuck (8); The first rotating shaft (9) is set in the middle bearing frame (11) through a sliding bearing assembly (10) for rotation; The right end of the first rotating shaft (9) is connected to a second rotating shaft (13) through a connecting component (12); The second rotating shaft (13) is also rotatably arranged in the middle bearing frame (11) through a sliding bearing assembly (10); The intermediate bearing frame (11) is set on the middle connecting pipe (14); The left end of the middle connecting pipe (14) is set on the pump cover (3), and the right end of the middle connecting pipe (14) is provided with a bottom plate (15); The right end of the bottom plate (15) is sealed with a packing seat (16); The packing seat (16) is equipped with a nitrogen connecting pipe (17); The outer side of the packing seat (16) is equipped with a thermal insulation device (18); A fan (19) is installed on the outer wall of the second rotating shaft (13) on the right side of the packing seat (16); A bearing housing component (20) is provided on the right side of the fan (19) and outside the second rotating shaft (13); The second rotating shaft (13) is rotatably arranged within the bearing housing component (20) through a bearing sleeve (21); The right end of the second rotating shaft (13) is connected to a motor (23) through a coupling (22).