Sludge discharge device for sewage treatment tank

Abstract

The utility model belongs to the technical field of sewage treatment, and particularly relates to a sludge discharge device for a sewage treatment tank, which comprises a sewage treatment tank body, a sludge sedimentation tank body is arranged at the center of the bottom of the sewage treatment tank body, and a sludge outlet pipe is arranged at the bottom of the sludge sedimentation tank body. The other end of the sludge outlet pipe is connected with a sludge inlet pipe through a flange plate, the sludge inlet pipe is arranged on one side of the top end of the shell, a rotating shaft and a spiral blade are arranged in the shell, the spiral blade is installed on the outer wall of the rotating shaft, and one end of the rotating shaft is installed in a sealing bearing on the outer wall of one side of the shell. The other end of the rotating shaft penetrates through a sealing bearing on the outer wall of the other side of the shell, extends to the outside and is connected with a gear motor through a coupler. According to the utility model, the sludge in the sludge precipitation tank body is automatically discharged, manual auxiliary operation is not needed, the labor intensity is reduced, the labor cost is also reduced, and the practicability is high.

Description

Technical Field

[0001] The utility model belongs to the technical field of sewage treatment, and in particular relates to a mud discharge device for a sewage treatment pool. Background Art

[0002] Wastewater treatment is the process of purifying wastewater to meet the water quality requirements for discharge into a water body or reuse. Wastewater treatment is widely used in various fields such as construction, agriculture, transportation, energy, petrochemicals, environmental protection, urban landscape, medical treatment, and catering. It is also increasingly entering the daily lives of ordinary people. There is usually a large amount of sludge in the sewage. During the sewage treatment process, the sludge needs to be separated from the sewage.

[0003] After searching, the patent announcement number CN210186493U discloses a sewage sludge discharge device, including a scraper, a longitudinal screw, a nut seat, a limit block, a mud feed bucket, a support cylinder, an auger blade, and an auger transmission shaft. The scraper is fixedly connected to the lower side of the annular carrier by bolts, the longitudinal screw is rotatably connected in the left groove body, the nut seat is welded on the left side of the outer surface of the annular carrier, and the left part of the nut seat is connected to the longitudinal screw, the limit block is welded on the right side of the outer surface of the annular carrier, and the right part of the limit block is movably installed in the limit groove, the mud feed bucket is installed on the lower side of the sedimentation cylinder, and a switch valve is installed on the mud feed bucket, the support cylinder is installed on the lower side of the mud feed bucket, the auger blades are welded on the outer surface of the auger transmission shaft, and the auger transmission shaft is rotatably connected in the support cylinder. Compared with the prior art, the utility model has the following beneficial effects: it realizes the function of rapid sludge discharge and greatly improves the sludge discharge efficiency.

[0004] When the above technical solution is actually used, the sludge discharge operation requires frequent manual assistance, which results in a large workload for the staff and high labor costs. Therefore, we propose a sludge discharge device for a sewage treatment tank to solve the existing problem. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a mud discharge device for a sewage treatment pool to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0007] A sludge discharge device for a sewage treatment tank comprises a sewage treatment tank body: a sludge sedimentation tank body is arranged at the bottom center position of the sewage treatment tank body, a mud discharge pipe is arranged at the bottom of the sludge sedimentation tank body, the other end of the mud discharge pipe is connected with the mud inlet pipe through a flange, and the mud inlet pipe is arranged on the top side of a shell body, a rotating shaft and a spiral blade are arranged inside the shell body, and the spiral blade is installed on the outer wall of the rotating shaft, one end of the rotating shaft is installed in a sealed bearing on the outer wall of one side of the shell body, the other end of the rotating shaft passes through the sealed bearing on the outer wall of the other side of the shell body and extends to the outside and is connected to a reduction motor through a coupling, a mud discharge pipe is arranged on the bottom side of the shell body, a first turbidity sensor is arranged above the inner wall of one side of the sludge sedimentation tank body, a second turbidity sensor is arranged above the inner wall of one side of the mud discharge pipe, a control box is installed on the front end surface of the sewage treatment tank body, an A / D conversion module and a single-chip microcomputer are arranged inside the control box, and the A / D conversion module is located above the single-chip microcomputer.

[0008] Furthermore, a liquid inlet pipe and a liquid outlet pipe are respectively arranged on the outer walls of both sides of the sewage treatment tank body, and solenoid valves are arranged on the liquid inlet pipe, the liquid outlet pipe, the mud outlet pipe and the mud discharge pipe.

[0009] Furthermore, the reduction motor is mounted on the top of the second mounting seat, the housing is mounted on the top of the first mounting seat, and the first mounting seat is located on one side of the second mounting seat.

[0010] Furthermore, support columns are installed at the four corners of the bottom end of the sewage treatment tank.

[0011] Furthermore, guide blocks are installed on both sides of the bottom end of the sewage treatment tank.

[0012] Furthermore, a display screen and a control panel are provided on the front end wall of the control box, and the display screen is located above the control panel, and control buttons are provided on the control panel.

[0013] Furthermore, the output ends of the first turbidity sensor and the second turbidity sensor are electrically connected to the input end of the A / D conversion module, the output end of the A / D conversion module is electrically connected to the input end of the single-chip microcomputer, and the output end of the single-chip microcomputer is electrically connected to the input ends of the solenoid valve and the reduction motor respectively.

[0014] By means of the above technical scheme, the utility model provides a sludge discharge device for a sewage treatment tank, which has at least the following beneficial effects: the utility model is provided through a series of coordinated arrangements of structures. When the utility model precipitates sewage and the sludge is precipitated in the sludge sedimentation tank, the first turbidity sensor detects the turbidity in the sludge sedimentation tank in real time, and the second turbidity sensor detects the turbidity in the sludge outlet pipe in real time. When the turbidity detected by the first turbidity sensor is greater than the preset turbidity data value range, the single chip microcomputer controls the solenoid valve on the sludge outlet pipe to open, the single chip microcomputer controls the reduction motor to start, and the sludge in the sludge sedimentation tank is discharged. It will flow into the shell through the mud outlet pipe and the mud inlet pipe. The start-up of the reduction motor will drive the spiral blades on the outer wall of the rotating shaft to rotate. The rotation of the spiral blades can transport the sludge. The sludge is transported to the mud discharge pipe and discharged. When the turbidity detected by the second turbidity sensor is less than the preset turbidity data value range, the single-chip microcomputer controls the solenoid valve on the mud outlet pipe to close. At this time, the mud discharge operation of the sludge in the sludge sedimentation tank body is completed. Therefore, the utility model realizes the automatic mud discharge operation of the sludge in the sludge sedimentation tank body without manual auxiliary operation, reduces labor intensity, reduces labor costs, and has strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application:

[0016] Figure 1 Schematic diagram of the three-dimensional structure of the mud discharge device for the sewage treatment pool provided in the embodiment of the present application Figure 1 ;

[0017] Figure 2 Schematic diagram of the three-dimensional structure of the mud discharge device for the sewage treatment pool provided in the embodiment of the present application Figure 2 ;

[0018] Figure 3 A schematic diagram of the internal structure of a sludge discharge device for a sewage treatment pool provided in an embodiment of the present application;

[0019] Figure 4 A cross-sectional view of a control box of a sludge discharge device for a sewage treatment tank provided in an embodiment of the present application.

[0020] In the figure: 1. sewage treatment tank body; 2. control box; 3. guide block; 4. liquid outlet pipe; 5. support column; 6. shell; 7. rotating shaft; 8. mud discharge pipe; 9. first mounting seat; 10. mud outlet pipe; 11. reduction motor; 12. flange; 13. second mounting seat; 14. solenoid valve; 15. sludge sedimentation tank body; 16. liquid inlet pipe; 17. first turbidity sensor; 18. second turbidity sensor; 19. mud inlet pipe; 20. spiral blade; 21. A / D conversion module; 22. single chip microcomputer; 23. display screen; 24. control button; 25. control panel. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figures 1 to 4The utility model of the sludge discharge device for sewage treatment pool mainly comprises a sewage treatment tank body 1: a sludge sedimentation tank body 15 is arranged at the bottom center of the sewage treatment tank body 1, a sludge discharge pipe 10 is arranged at the bottom of the sludge sedimentation tank body 15, the other end of the sludge discharge pipe 10 is connected with a sludge inlet pipe 19 through a flange 12, and the sludge inlet pipe 19 is arranged on the top side of a shell body 6, a rotating shaft 7 and a spiral blade 20 are arranged inside the shell body 6, and the spiral blade 20 is installed on the outer wall of the rotating shaft 7, one end of the rotating shaft 7 is installed in a sealed bearing on the outer wall of one side of the shell body 6, and the other end of the rotating shaft 7 passes through the sealed bearing on the outer wall of the other side of the shell body 6 and extends to The outside is connected to the reduction motor 11 through a coupling, a mud discharge pipe 8 is arranged on one side of the bottom end of the shell 6, a first turbidity sensor 17 is arranged above the inner wall of one side of the sludge sedimentation tank body 15, and a second turbidity sensor 18 is arranged above the inner wall of one side of the mud outlet pipe 10. The first turbidity sensor 17 and the second turbidity sensor 18 are both TSW-30 turbidity sensors. A control box 2 is installed on the front end surface of the sewage treatment tank body 1, and an A / D conversion module 21 and a single-chip microcomputer 22 are arranged inside the control box 2, and the A / D conversion module 21 is located above the single-chip microcomputer 22. The model of the A / D conversion module 21 is Q64AD A / D conversion module, the model of the single chip microcomputer 22 is AT89S52 single chip microcomputer. When the utility model precipitates sewage and the sludge is precipitated in the sludge precipitation tank body 15, the first turbidity sensor 17 detects the turbidity in the sludge precipitation tank body 15 in real time, and the second turbidity sensor 18 detects the turbidity in the sewage sludge outlet pipe 10 in real time. When the turbidity detected by the first turbidity sensor 17 is greater than the preset turbidity data value range, the single chip microcomputer 22 controls the electromagnetic valve 14 on the sludge outlet pipe 10 to open, and the single chip microcomputer 22 controls the reduction motor 11 to start, and the sludge in the sludge precipitation tank body 15 will pass through the sludge outlet pipe 10 and the sludge inlet pipe 10. 9 flows into the interior of the shell 6, and the start-up of the reduction motor 11 will drive the spiral blades 20 on the outer wall of the rotating shaft 7 to rotate. The rotation of the spiral blades 20 can transport the sludge, and the sludge is transported to the sludge discharge pipe 8 and discharged. When the turbidity detected by the second turbidity sensor 18 is less than the preset turbidity data value range, the single-chip microcomputer 22 controls the solenoid valve 14 on the sludge outlet pipe 10 to close. At this time, the sludge discharge operation of the sludge in the sludge sedimentation tank body 15 is completed, so that the utility model realizes the automatic sludge discharge operation of the sludge in the sludge sedimentation tank body 15, without the need for manual auxiliary operation, reducing labor intensity and labor costs.

[0023] A liquid inlet pipe 16 and a liquid outlet pipe 4 are respectively arranged on the outer walls of both sides of the sewage treatment tank body 1. The liquid inlet pipe 16, the liquid outlet pipe 4, the mud outlet pipe 10 and the mud discharge pipe 8 are all provided with an electromagnetic valve 14. The reduction motor 11 is installed on the top of the second mounting seat 13, the shell 6 is installed on the top of the first mounting seat 9, and the first mounting seat 9 is located on one side of the second mounting seat 13. Support columns 5 are installed at the four corners of the bottom end of the sewage treatment tank body 1. Guide blocks 3 are installed on both sides of the bottom end of the sewage treatment tank body 1. The setting of the guide block 3 can guide the sludge at the bottom end of the sewage treatment tank body 1, and can The sludge is guided into the sludge sedimentation tank 15, thereby preventing the sludge from settling at the bottom of the sewage treatment tank 1. A display screen 23 and a control panel 25 are provided on the front end wall of the control box 2, and the display screen 23 is located above the control panel 25. A control button 24 is provided on the control panel 25. The output ends of the first turbidity sensor 17 and the second turbidity sensor 18 are both electrically connected to the input ends of the A / D conversion module 21, and the output end of the A / D conversion module 21 is electrically connected to the input end of the single-chip microcomputer 22. The output end of the single-chip microcomputer 22 is electrically connected to the input ends of the solenoid valve 14 and the reduction motor 11, respectively.

[0024] It should be noted that the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sludge discharge device for a sewage treatment tank, characterized in that: The invention comprises a sewage treatment tank body (1): a sludge sedimentation tank body (15) is arranged at the center of the bottom of the sewage treatment tank body (1); a mud discharge pipe (10) is arranged at the bottom of the sludge sedimentation tank body (15); the other end of the mud discharge pipe (10) is connected to a mud inlet pipe (19) through a flange (12); and the mud inlet pipe (19) is arranged on one side of the top end of a shell (6); a rotating shaft (7) and a spiral blade (20) are arranged inside the shell (6); and the spiral blade (20) is mounted on the outer wall of the rotating shaft (7); one end of the rotating shaft (7) is mounted in a sealed bearing on the outer wall of one side of the shell (6); and the other end of the rotating shaft (7) is mounted in a sealed bearing on the outer wall of one side of the shell (6). One end of the sealed bearing passes through the outer wall of the other side of the shell (6) and extends to the outside and is connected to the reduction motor (11) through a coupling. A mud discharge pipe (8) is arranged on one side of the bottom end of the shell (6). A first turbidity sensor (17) is arranged above the inner wall of one side of the sludge sedimentation tank (15). A second turbidity sensor (18) is arranged above the inner wall of one side of the mud discharge pipe (10). A control box (2) is installed on the front end surface of the sewage treatment tank (1). An A / D conversion module (21) and a single-chip microcomputer (22) are arranged inside the control box (2), and the A / D conversion module (21) is located above the single-chip microcomputer (22).

2. The sludge discharge device for a sewage treatment pool according to claim 1, characterized in that: A liquid inlet pipe (16) and a liquid outlet pipe (4) are respectively provided on the outer walls of both sides of the sewage treatment tank body (1), and a solenoid valve (14) is provided on the liquid inlet pipe (16), the liquid outlet pipe (4), the mud outlet pipe (10) and the mud discharge pipe (8).

3. The sludge discharge device for a sewage treatment pool according to claim 1, characterized in that: The reduction motor (11) is mounted on the top of the second mounting seat (13), the housing (6) is mounted on the top of the first mounting seat (9), and the first mounting seat (9) is located on one side of the second mounting seat (13).

4. The sludge discharge device for a sewage treatment tank according to claim 1, characterized in that: Support columns (5) are installed at the four corners of the bottom end of the sewage treatment tank (1).

5. The sludge discharge device for a sewage treatment tank according to claim 1, characterized in that: Guide blocks (3) are installed on both sides of the bottom end of the sewage treatment tank body (1).

6. The sludge discharge device for a sewage treatment pool according to claim 1, characterized in that: A display screen (23) and a control panel (25) are provided on the front end wall of the control box (2), and the display screen (23) is located above the control panel (25). The control panel (25) is provided with control buttons (24).

7. The sludge discharge device for a sewage treatment pool according to claim 1, characterized in that: The output ends of the first turbidity sensor (17) and the second turbidity sensor (18) are both electrically connected to the input end of the A / D conversion module (21), the output end of the A / D conversion module (21) is electrically connected to the input end of the single-chip microcomputer (22), and the output end of the single-chip microcomputer (22) is electrically connected to the input ends of the solenoid valve (14) and the reduction motor (11), respectively.

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