Multi-point sludge discharge device of aerobic granular sludge process reaction tank
By designing a multi-point mud discharge device with height adjustment components and electric control valves, the problem that the mud discharge equipment of aerobic particle sludge reaction tank cannot automatically adjust the height, and the stability of the mud discharge equipment and uniform sludge discharge are achieved.
Patent Information
- Application Number
- CN202420794359.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-16
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-04-16
AI Technical Summary
In the prior art, the sludge discharge equipment of the aerobic granular sludge reaction tank cannot automatically adjust the height of the sludge discharge point, the assembly process is cumbersome, and it may stir the sludge that has been precipitated in the sludge, which cannot meet the sludge discharge needs of different heights.
A multi-point mud discharge device is designed, including height adjustment components, mud discharge pipes and mud discharge pipes. The height adjustment of mud discharge pipes is achieved by adjusting the mounting frame, traction rope and limit groove to ensure uniform sludge discharge, and An electric control valve is installed in the pool for static pressure discharge of mud.
It realizes flexible adjustment of the height of the mud discharge pipeline, improves the stability of the mud discharge equipment and uniform discharge of sludge, meets the mud discharge needs of different heights, and avoids sludge stirring in the pool.
Smart Images
Figure CN222274259U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sewage biochemical treatment equipment, in particular to a multi-point sludge discharge device for an aerobic granular sludge process reaction tank. Background Art
[0002] Aerobic granular sludge process is an emerging sewage treatment process. It is a sewage treatment technology with great economic and social benefits due to its advantages such as small footprint, low investment cost, low operating cost, and simultaneous nitrogen and phosphorus removal. However, due to the uniqueness of this process, its sludge discharge method is different from the existing activated sludge method and biofilm method. In order to ensure that the process maintains a certain proportion of granular sludge during operation, it is necessary to meet the sludge discharge requirements at different heights. However, the sludge discharge equipment in the existing technology cannot automatically adjust the height of the sludge discharge point, the assembly and adjustment process is very cumbersome, and it will stir the sludge that has been precipitated in the tank. Utility Model Content
[0003] The utility model aims to provide a multi-point sludge discharge device for an aerobic granular sludge process reaction tank in view of the shortcomings of the aerobic granular sludge reaction tank in the prior art.
[0004] A multi-point mud discharge device for an aerobic granular sludge process reaction tank, comprising a tank body provided with the mud discharge device, a mud discharge pipe, a mud outlet pipe and a height adjustment component, wherein the height adjustment component is installed on the tank body, the mud outlet pipe is arranged on the tank body and communicates with the inside and outside of the tank body, the mud discharge pipe is movably arranged inside the tank body, the height adjustment component is transmission-connected to the mud discharge pipe, and the mud discharge pipe is communicated with the mud outlet pipe;
[0005] The height adjustment assembly includes an adjustment mounting frame and an adjustment traction rope. The adjustment mounting frame is arranged in the pool body and can move vertically in the pool body. The mud discharge pipe is fixedly installed on the adjustment mounting frame. One end of the adjustment traction rope is connected to the adjustment mounting frame.
[0006] Furthermore, the height adjustment assembly also includes a traction mounting frame, the traction mounting frame is fixedly arranged on the pool body, and the adjustment traction rope is laid on the traction mounting frame.
[0007] Furthermore, the traction mounting frame is arranged on the pool body in an inverted triangle shape.
[0008] Furthermore, a guide transverse groove is provided at the upper end of the traction mounting frame, and the adjustment traction rope is slidably embedded in the guide transverse groove.
[0009] Furthermore, a connecting pipe is provided between the mud discharge pipe and the mud outlet pipe, one end of the connecting pipe is connected to the mud discharge pipe, and the other end of the connecting pipe is connected to the mud outlet pipe.
[0010] Furthermore, an electric control valve is provided on the mud outlet pipe.
[0011] Furthermore, the connecting pipe is a telescopic pipe.
[0012] Furthermore, a limiting groove is provided inside the pool body, and a limiting member is provided on the mud discharge pipe, and the limiting member and the limiting groove are fitted with each other.
[0013] Furthermore, the mud discharge pipe includes an annular outer tube and a central through tube, the central through tube is arranged in the inner middle part of the annular outer tube, and the two sides of the central through tube are respectively connected to the annular outer tube, and a plurality of mud discharge ports are evenly spaced on the annular outer tube and the central through tube, and the sum of the areas of the mud discharge ports is not less than the cross-sectional area of the mud outlet pipe.
[0014] Furthermore, the plane where the tube axis of the annular outer tube lies is a horizontal plane.
[0015] The advantages of the utility model compared with the prior art are:
[0016] First: the mud discharge pipe in this scheme can be adjusted in height according to process requirements. A connecting pipe is arranged between the mud discharge pipe and the mud outlet pipe. One end of the connecting pipe is connected to the mud discharge pipe, and the other end of the connecting pipe is connected to the mud outlet pipe. The position height of the mud discharge pipe in the pool body can be adjusted through the height adjustment component.
[0017] Second: The traction mounting frame in this scheme is fixedly arranged on the pool body, and the traction mounting frame is arranged on the pool body in an inverted triangle shape. The inverted triangle structure can further ensure the setting stability of the traction mounting frame. The adjustable traction rope is set on the traction mounting frame, and a guide transverse groove is set at the upper end of the traction mounting frame. The adjustable traction rope is slidably embedded in the guide transverse groove, and the adjustable traction rope is limited by the set guide transverse groove, thereby further improving the stability of the adjustable traction rope during movement.
[0018] Thirdly, in this solution, a limiting groove is arranged inside the pool body, and a limiting member is arranged on the mud discharge pipe. The limiting member and the limiting groove fit each other, and the moving direction of the mud discharge pipe is limited by arranging the limiting groove on the pool body.
[0019] Fourthly, the mud discharge pipe in the present scheme comprises an annular outer pipe and a central through pipe, wherein the central through pipe is arranged in the middle of the inner side of the annular outer pipe, and the two sides of the central through pipe are respectively connected with the annular outer pipe, and a plurality of mud discharge ports are evenly arranged on the annular outer pipe and the central through pipe, and the mud discharge ports evenly arranged on the annular outer pipe and the central through pipe can realize the uniform discharge of the sludge in the pool body. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 This is a schematic diagram of the overall structure of this scheme;
[0021] Figure 2 for Figure 1 A schematic diagram of the enlarged structure at A in the middle;
[0022] Figure 3 This is a schematic diagram of the structure of the mud discharge pipeline in this scheme;
[0023] Figure 4 This is the adjustment state 1 of the mud discharge pipe in the tank body in this scheme;
[0024] Figure 5 This is the second adjustment state of the mud discharge pipe in the tank body in this scheme.
[0025] Figure numerals: pool body 1, limiting groove 11, mud discharge pipe 2, limiting member 21, annular outer pipe 22, middle through pipe 23, mud discharge port 24, mud outlet pipe 3, electric control valve 31, height adjustment assembly 4, adjustment mounting frame 41, adjustment traction rope 42, traction mounting frame 43, guide transverse groove 431, connecting pipe 5. DETAILED DESCRIPTION
[0026] Combined with Figure 1-5 As shown, a multi-point mud discharge device of an aerobic granular sludge process reaction tank is provided in a tank body 1 of the reaction tank, and the mud discharge device is used to discharge the sludge in the tank body 1, and the mud discharge device comprises a mud discharge pipe 2, a mud outlet pipe 3 and a height adjustment component 4, and the height adjustment component 4 is installed on the tank body 1, and the mud outlet pipe 3 is provided on the tank body 1 and communicates the inside and outside of the tank body 1, and an electric control valve 31 is additionally installed on the outer part of the tank body 1, and the mud discharge pipe 2 is movably provided on the inner side of the tank body 1, and the mud discharge pipe 2 can be adjusted in height on the inner side of the tank body 1, and the mud discharge pipe 2 is connected to the mud outlet pipe 3, and the height adjustment component 4 is transmission-connected to the mud discharge pipe 2, and the position height of the mud discharge pipe 2 in the tank body 1 can be adjusted by the height adjustment component 4, as shown in FIG. Figure 4-5 As shown, when sludge discharge is required, the electric control valve 31 is opened, and the water pressure is used to discharge the sludge at different heights in the pool body 1 into the sludge discharge pipe 2 through static pressure sludge discharge and transported to the sludge outlet pipe 3 for discharge. After the sludge discharge is completed, the electric control valve 31 is closed, and the sludge discharge amount control and sludge screening purpose are achieved through the opening time of the electric control valve 31 and the position height of the sludge discharge pipe 2.
[0027] It can be selected that the mud discharge pipe 2 in the present scheme can be adjusted in height according to the process requirements and the head required for mud discharge, and a connecting pipe 5 is arranged between the mud discharge pipe 2 and the mud outlet pipe 3, one end of the connecting pipe 5 is connected to the mud discharge pipe 2, and the other end of the connecting pipe 5 is connected to the mud outlet pipe 3. The arrangement of the connecting pipe 5 needs to ensure that the mud discharge pipe 2 can still meet the connection between the mud discharge pipe 2 and the mud outlet pipe 3 during the lifting process, so the connecting pipe 5 can be a hose or a telescopic pipe. When the connecting pipe 5 is a hose, the connecting pipe 5 can be bent and adjusted according to the mud discharge pipe 2, so as to ensure the connection between the mud discharge pipe 2 and the mud outlet pipe 3. When the connecting pipe 5 is a telescopic pipe, the telescopic pipe includes an upper pipe and a lower pipe, the lower end of the upper pipe is connected to the upper end face of the lower pipe, and the upper pipe and the lower pipe are vertically arranged, the upper pipe is connected to the mud discharge pipe 2, and the lower pipe is connected to the mud outlet pipe 3, and the upper pipe is folded into the lower pipe during the adjustment process.
[0028] Preferably, the height adjustment assembly 4 includes an adjustment mounting frame 41 and an adjustment traction rope 42, the adjustment mounting frame 41 is arranged in the pool body 1 and can move vertically in the pool body 1, the mud discharge pipe 2 is fixedly mounted on the adjustment mounting frame 41, and one end of the adjustment traction rope 42 is connected to the adjustment mounting frame 41. The staff can control the adjustment mounting frame 41 to drive the mud discharge pipe 2 to move up and down in the pool body 1 by stretching or releasing the adjustment traction rope 42.
[0029] Preferably, in order to ensure the stability of the adjustable traction rope 42 during the adjustment process, a traction mounting frame 43 is provided, and the traction mounting frame 43 is fixedly provided on the pool body 1, and the traction mounting frame 43 is provided on the pool body 1 in an inverted triangle shape, and the inverted triangle structure can further ensure the setting stability of the traction mounting frame 43, and the adjustable traction rope 42 is mounted on the traction mounting frame 43, and a guide transverse groove 431 is provided at the upper end of the traction mounting frame 43, and the adjustable traction rope 42 is slidably embedded in the guide transverse groove 431, and the adjustable traction rope 42 is limited by the provided guide transverse groove 431, thereby further improving the stability of the adjustable traction rope 42 during the movement process.
[0030] Alternatively, the adjusting traction rope 42 in the present solution may be manually adjusted by a staff member, or may be wound around a driving shaft of a servo motor to control the contraction and release of the adjusting traction rope 42 through a servo motor.
[0031] like Figure 2As shown, the mud discharge pipe 2 in the present scheme can move vertically in the pool body 1. In order to ensure the movement stability of the mud discharge pipe 2, a limiting groove 11 is arranged on the inner side of the pool body 1, and a limiting member 21 is arranged on the mud discharge pipe 2. The limiting member 21 fits with the limiting groove 11. The movement direction of the mud discharge pipe 2 is limited by setting the limiting groove 11 on the pool body 1. During the setting process, two or four limiting grooves 11 can be symmetrically arranged on the inner side of the pool body 1, and limiting members 21 with corresponding positions and quantities can be arranged on the mud discharge pipe 2, so as to further improve the adjustment stability of the mud discharge pipe 2.
[0032] like Figure 3 As shown, preferably, the mud discharge pipe 2 includes an annular outer tube 22 and a central tube 23, the central tube 23 is arranged in the inner middle part of the annular outer tube 22, and the two sides of the central tube 23 are respectively connected to the annular outer tube 22, and a plurality of mud discharge ports 24 are evenly spaced on the annular outer tube 22 and the central tube 23. The mud discharge ports 24 evenly arranged on the annular outer tube 22 and the central tube 23 can evenly discharge the sludge in the tank body 1.
[0033] Furthermore, the plane where the pipe axes of the annular outer pipe 22 and the central through pipe 23 are located is a horizontal plane, thereby ensuring that the sludge discharge pipe 2 can discharge the sludge in the plane to achieve the purpose of sludge discharge at a specific height and prevent the loss of granular sludge.
[0034] When this solution is used, the staff adjusts the height of the mud discharge pipe 2 in the tank body 1, such as Figure 4 and Figure 5 As shown, when it is necessary to control the mud discharge pipe 2 to rise, the traction rope 42 is contracted and adjusted, and the mud discharge pipe 2 is pulled upward by adjusting the traction rope 42. The limit groove 11 and the limit member 21 are cooperated with each other to make the mud discharge pipe 2 move stably, and the connecting pipe 5 is extended to ensure that the mud discharge pipe 2 is connected with the mud outlet pipe 3, and the water pressure is used to discharge the sludge at a higher position through a static pressure mud discharge method; when it is necessary to control the mud discharge pipe 2 to descend, the traction rope 42 is released and adjusted, and the mud discharge pipe 2 gradually descends under the action of gravity. The limit groove 11 and the limit member 21 are cooperated with each other to make the mud discharge pipe 2 move stably, and the connecting pipe 5 is contracted to ensure that the mud discharge pipe 2 is connected with the mud outlet pipe 3, and the water pressure is used to discharge the sludge at a lower position through a static pressure mud discharge method.
[0035] In the description of the present utility model, it is necessary to understand that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, features defined as "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.
[0036] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0037] In the description of the present invention, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.
[0038] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate 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 claims and their equivalents.
Claims
1. A multi-point sludge discharge device for an aerobic granular sludge process reaction tank, comprising a tank body (1) provided with the sludge discharge device, characterized in that: The invention comprises a mud discharge pipe (2), a mud outlet pipe (3) and a height adjustment component (4), wherein the height adjustment component (4) is installed on the tank body (1), the mud outlet pipe (3) is arranged on the tank body (1) and communicates with the inside and outside of the tank body (1), the mud discharge pipe (2) is movably arranged on the inside of the tank body (1), the height adjustment component (4) is transmission-connected to the mud discharge pipe (2), and the mud discharge pipe (2) is communicated with the mud outlet pipe (3); The height adjustment assembly (4) comprises an adjustment mounting frame (41) and an adjustment traction rope (42); the adjustment mounting frame (41) is arranged in the tank body (1) and is capable of moving vertically in the tank body (1); the mud discharge pipe (2) is fixedly mounted on the adjustment mounting frame (41); and one end of the adjustment traction rope (42) is connected to the adjustment mounting frame (41).
2. The multi-point sludge discharge device for an aerobic granular sludge process reaction tank according to claim 1, characterized in that: The height adjustment assembly (4) further comprises a traction mounting frame (43), wherein the traction mounting frame (43) is fixedly arranged on the pool body (1), and the adjustment traction rope (42) is laid on the traction mounting frame (43).
3. The multi-point sludge discharge device for an aerobic granular sludge process reaction tank according to claim 2, characterized in that: The traction mounting frame (43) is in an inverted triangle shape and is arranged on the pool body (1).
4. The multi-point sludge discharge device for an aerobic granular sludge process reaction tank according to claim 3, characterized in that: A guide transverse groove (431) is provided at the upper end of the traction mounting frame (43), and the adjustment traction rope (42) is slidably embedded in the guide transverse groove (431).
5. The multi-point sludge discharge device for an aerobic granular sludge process reaction tank according to claim 1, characterized in that: A connecting pipe (5) is provided between the mud discharge pipe (2) and the mud outlet pipe (3), one end of the connecting pipe (5) is connected to the mud discharge pipe (2), and the other end of the connecting pipe (5) is connected to the mud outlet pipe (3).
6. The multi-point sludge discharge device for an aerobic granular sludge process reaction tank according to claim 1, characterized in that: An electric control valve (31) is provided on the mud outlet pipe (3).
7. The multi-point sludge discharge device for an aerobic granular sludge process reaction tank according to claim 5, characterized in that: The connecting pipe (5) is a telescopic pipe.
8. The multi-point sludge discharge device for an aerobic granular sludge process reaction tank according to claim 1, characterized in that: A limiting groove (11) is arranged inside the tank body (1), and a limiting member (21) is arranged on the mud discharge pipe (2), and the limiting member (21) and the limiting groove (11) are mutually matched.
9. The multi-point sludge discharge device for an aerobic granular sludge process reaction tank according to claim 1, characterized in that: The mud discharge pipeline (2) comprises an annular outer tube (22) and a central through tube (23); the central through tube (23) is arranged in the middle of the inner side of the annular outer tube (22), and the two sides of the central through tube (23) are respectively connected to the annular outer tube (22); a plurality of mud discharge ports (24) are arranged at equal intervals on the annular outer tube (22) and the central through tube (23); and the sum of the areas of the mud discharge ports (24) is not less than the cross-sectional area of the mud outlet pipe (3).
10. The multi-point sludge discharge device for an aerobic granular sludge process reaction tank according to claim 9, characterized in that: The plane where the tube axis of the annular outer tube (22) is located is a horizontal plane.