Biochemical sludge and physicochemical sludge separate sampling device for identifying attributes of sludge

A biochemical sludge and physicochemical sludge separate sampling device for identifying attributes of sludge, comprising a sludge extraction assembly (1), a biochemical reaction tank (3), a physicochemical reaction tank (4), a first connection pipeline (2) and a second connection pipeline (2), wherein the first connection pipeline (2) connecting the biochemical reaction tank (3) to the sludge extraction assembly (1), wherein the second connection pipeline (2) connecting the physicochemical reaction tank (3) to the sludge extraction assembly (1), and wherein the biochemical reaction tank (3) and the physicochemical reaction tank (4) have the same structure;

• wherein the sludge extraction assembly (1) comprises an outer shell (10) provided with a support (100) at a lower end, a porous plate (11) movably clamped to an inner bottom of the outer shell (10), and a sampling dish (12) movably clamped in the outer shell (10) and located at an upper end of the porous plate (11);
• a drain pipe (101) is arranged on a lower bottom surface of the outer shell (10);
• an open door (102) is arranged on a side wall of the outer shell (10);
• the sampling dish (12) is provided with at least one biochemical sludge cavity (120) and at least one physicochemical sludge cavity (121);
• filter cloth (122) is arranged at an inner bottom of each of the at least one biochemical sludge cavity (120) and the at least one physicochemical sludge cavity (121);
• a first sample injection port (123) in communication with the at least one biochemical sludge cavity (120) is arranged on a side wall of the sampling dish (12);
• a second sample injection port (103) is arranged at a position, corresponding to a position of the first sample injection port (123), on the side wall of the outer shell (10), and a third sample injection port (123) in communication with the physicochemical sludge cavity (121) is arranged on the side wall of the sampling dish (12);
• a fourth sample injection port (103) is arranged at a position, corresponding to a position of the third sample injection port (123), on the side wall of the outer shell (10);
• first and second electric extrusion stems (13) are arranged at positions, corresponding to positions of the at least one biochemical sludge cavity (120) and the at least one physicochemical sludge cavity (121) respectively, on an inner top of the outer shell (10);
• first and second extrusion plug plates (130) are arranged at lower ends of the first and second electric extrusion stems (13) respectively;
• a switching motor (14) is arranged on an upper end surface of the outer shell (10);
• an output shaft of the switching motor (14) penetrates through the outer shell (10) and is sleeved with a bourdon tube (140) movably clamped with the sampling dish (12);
• wherein a first sludge pump (20) is arranged at an junction between the first connection pipeline (2) and the biochemical reaction tank (3), and a second sludge pump (20) is arranged an junction between the second connection pipeline (2) and the physicochemical reaction tank (4);
• wherein a first movable joint (21) is arranged at an junction between the first connection pipeline (2) and the sludge extraction assembly (1), and a second movable joint (21) is arranged at an junction between the second connection pipeline (2) and the sludge extraction assembly (1);
• the first movable joint (21) is inserted into the second sample injection port (103) and the first sample injection port (123), and the second movable joint (21) is inserted into the fourth sample injection port (103) and the third sample injection port (123);
• an upper end surface of each of the biochemical reaction tank (3) and the physicochemical reaction tank (4) is clamped with a mounting platform (5);
• a screw support (50) is arranged on a lower bottom surface of each mounting platform (5);
• a lifting motor (51) is arranged on an upper end surface of each mounting platform (5);
• an output shaft of each lifting motor (51) is provided with a lifting screw (52) rotatably clamped with the screw support (50) of the corresponding lifting motor (51);
• each lifting screw (52) is in threaded connection with a sampling head (53) slidably clamped with the corresponding screw support (50);
• and each sampling head (53) is connected to the corresponding connection pipeline (2) through a retractable hose (534).