Regulating device of COD (Chemical Oxygen Demand) digester
By designing adjustment devices for fixing rings, mounting rings, adjustment plates and screws, the problem that existing COD digesters cannot adapt to conical bottles of different sizes is solved, and the stable fixing and convenient pick-up of conical bottles is achieved, which improves operating efficiency.
Patent Information
- Application Number
- CN202421763656.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-24
- Publication Date
- 2025-08-26
- Estimated Expiration
- 2034-07-24
AI Technical Summary
The adjustment device of existing COD digester cannot adapt to conical bottles of different sizes, and the long length of the condenser tube makes it inconvenient to pick up and place the conical bottles.
An adjustment device including a fixing ring, mounting ring, adjustment plate, screw and motor is designed. The motor drives the mounting ring and adjustment plate to rotate, and adjust the position of the mounting plate with the screw and the motor to realize the fixing and alignment of the condensing tubes of different sizes, and the sliding of the motor adjustment rod is achieved to achieve convenient access and placement of the conical bottles.
It realizes stable fixation and convenient pick-up and placement of conical bottles of different sizes, improves operating efficiency and wide adaptability, and avoids the influence of pick-up and placement of condensate pipes.
Smart Images

Figure CN223272279U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of COD digesters, in particular to a regulating device for a COD digester. Background Art
[0002] In order to strengthen the law enforcement and supervision of water pollution and improve the efficiency of water quality monitoring and testing by testing departments, it is an important means to control water pollution in my country. In the field of environmental protection, chemical oxygen demand (COD) is one of the main control indicators of surface water and wastewater. It is an important comprehensive indicator of organic pollution in water, and the determination of COD requires special digestion instruments.
[0003] Referring to the Chinese patent, the application number is: "CN 218584488 U" and is specifically "an air-cooled COD digester". This patent solves the problem that "the conical flask needs to be tilted and the condenser is lifted up to be taken out, and the conical flask is easy to be unstable and tip over during operation, resulting in experimental failure. In addition, experiments are usually carried out on multiple conical flasks at the same time. When taking out the conical flask, the corresponding condenser needs to be lifted up multiple times. Before the experiment starts, the conical flask needs to repeat the same action multiple times to connect the conical flask with the condenser, which is cumbersome to operate."
[0004] In this utility model, the rotation of the driving motor drives the heating plate to move up and down, and then drives the conical flask to move up and down, which is convenient for the staff to take and place the conical flask, and uses a positioning sleeve to position the conical flask; however, the device is limited in the fixing model of the conical flask during use, and the positioning device cannot be adjusted according to the size of the conical flask actually used, and the scope of application is narrow. In addition, due to the long length of the condenser during use, even if the position of the entire group of conical flasks is moved down, it is still not convenient to take and place the conical flask in the internal position. Utility Model Content
[0005] The purpose of the utility model is to provide a regulating device for a COD digester to solve the problems raised in the above background technology.
[0006] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: an adjustment device for a COD digester, comprising a base, a mounting seat being provided on the base, a mounting plate being provided on the mounting seat, multiple groups of fixing rings being equidistantly distributed on the mounting plate, two groups of symmetrically distributed mounting rings being provided in the fixing ring, the mounting ring being rotatably connected to the fixing ring through a bearing, the mounting ring being provided with external teeth and internal teeth, a mounting rod being provided in the fixing ring, two groups of driving wheels being sleeved on the mounting rod, multiple groups of annularly distributed adjustment plates being provided on the two groups of mounting rings, the adjustment plates being rotatably connected to the fixing ring through a rotating rod, a gear being sleeved on the rotating rod, two groups of symmetrically distributed screws being provided in the base, the mounting plate being slidably connected to the mounting seat, two groups of symmetrically distributed fixing rods being provided in the mounting seat, a first adjusting rod being provided in the fixing rod, and a second adjusting rod being provided in the first adjusting rod.
[0007] As a further preferred embodiment of the present technical solution, the driving wheel is arranged corresponding to the mounting ring, the driving wheel is meshed and connected with the mounting ring through external teeth, a first motor is provided in the fixing ring, the upper end of the mounting rod is connected to the output end of the first motor, and the gear is meshed and connected with the mounting ring through internal teeth.
[0008] As a further preferred embodiment of the present technical solution, both ends of the two groups of screws pass through the base and are rotatably connected to the base, the two groups of screws respectively pass through the base and are threadedly connected to the base, a second motor is provided in the base, and the screw on the left is connected to the output end of the second motor.
[0009] As a further preferred embodiment of the present technical solution, the lower ends of the two groups of screws are sleeved with synchronous wheels, a synchronous belt is provided in the base, and the synchronous belt is respectively connected to the two groups of synchronous wheels for transmission.
[0010] As a further preferred embodiment of the present technical solution, the first adjusting rod is slidably connected to the fixed rod, the second adjusting rod is slidably connected to the first adjusting rod, the second adjusting rod is fixedly installed on the mounting plate, a motor is provided in the fixed rod, a threaded rod is provided in the fixed rod, and a threaded tube is provided in the first adjusting rod.
[0011] As a further preferred embodiment of the present technical solution, the threaded rod passes through the fixed rod and is rotatably connected to the fixed rod through a bearing, the left end of the threaded rod is connected to the output end of the motor, the threaded rod passes through the first adjusting rod and is threadedly connected to the first adjusting rod, the threaded tube is rotatably connected to the first adjusting rod through a bearing, and the threaded tube passes through the second adjusting rod and is threadedly connected to the second adjusting rod.
[0012] As a further preferred embodiment of the present technical solution, two groups of symmetrically distributed limit grooves are provided on the threaded rod, and two groups of symmetrically distributed limit blocks are provided in the threaded tube. The limit blocks are arranged corresponding to the limit grooves, and the threaded tube is slidably connected to the threaded rod through the limit blocks.
[0013] The utility model provides a regulating device for a COD digester, which has the following beneficial effects:
[0014] (1) The utility model realizes the adjustment of the size of the conical flask that can be fixed in the fixing ring through the provided fixing ring, the mounting ring and the adjustment plate, so that the adjustment device can assist the digester to realize the fixation of conical flasks of different sizes according to actual use requirements, and realizes the adjustment of the height of the mounting plate and the fixing ring through the provided screw and the mounting seat, which is convenient for the fixation and installation of conical flasks of different heights; the first motor drives the mounting rod and the driving wheel to rotate, and the mounting ring engaged with it through the external teeth rotates synchronously therewith, and the mounting ring drives the internal teeth and the gear to rotate, and the rotating rod and the adjustment plate fixedly installed with the gear rotate synchronously therewith, and the rotation of multiple groups of annularly distributed adjustment plates can realize the adjustment of the size that can be fixed in the fixing ring, which is convenient for the staff to stably fix conical flasks of different models at the center position of the fixing ring according to actual use requirements, and align them with the condenser provided above the digester.
[0015] (2) The utility model realizes the adjustment of the position of the mounting plate by the fixed rod and the first adjusting rod and the second adjusting rod, which is convenient for the staff to take and place the conical flask at various positions on the mounting plate, and avoids the placement of the conical flask being affected by the placement of the condenser tube above; the threaded rod is driven to rotate by the motor, and the first adjusting rod slides in the fixed rod under the limiting action of the fixed rod, and the threaded tube slides synchronously with the first adjusting rod, and the threaded tube rotates synchronously with the threaded rod under the action of the limiting block and the limiting groove. Therefore, under the limiting action of the first adjusting rod, the second adjusting rod drives the mounting plate to slide, so that the adjustment device can assist the digester to pull out the mounting plate, completely emptying the space above the mounting plate, and facilitating the taking and placing of the conical flask. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0017] Figure 2 This is a structural diagram of the adjustment plate of the utility model;
[0018] Figure 3 This is a schematic structural diagram of the mounting base of the utility model;
[0019] Figure 4 This is a schematic structural diagram of the mounting plate of the present utility model;
[0020] Figure 5 For the utility model Figure 4 -A magnified view of the structure;
[0021] In the figure: 1. Base; 2. Mounting seat; 3. Mounting plate; 4. Fixing ring; 5. Mounting ring; 6. External teeth; 7. Mounting rod; 8. Driving wheel; 9. First motor; 10. Internal teeth; 11. Adjusting plate; 12. Rotating rod; 13. Gear; 14. Screw; 15. Synchronous wheel; 16. Synchronous belt; 17. Second motor; 18. Fixing rod; 19. First adjusting rod; 20. Second adjusting rod; 21. Threaded rod; 22. Threaded tube; 23. Limiting groove; 24. Limiting block; 25. Motor. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.
[0023] The utility model provides a technical solution: Figure 1 、 Figure 2 and Figure 3 As shown, in this embodiment, a COD digester adjustment device includes a base 1, a mounting base 2 is provided on the base 1, a mounting plate 3 is provided on the mounting base 2, a plurality of fixed rings 4 are equidistantly distributed on the mounting plate 3, two groups of symmetrically distributed mounting rings 5 are provided in the fixing ring 4, the mounting ring 5 is rotatably connected to the fixing ring 4 through a bearing, an outer tooth 6 and an inner tooth 10 are provided on the fixing ring 4, a mounting rod 7 is provided in the fixing ring 4, two groups of drive wheels 8 are sleeved on the mounting rod 7, and multiple groups of annularly distributed adjustment plates 11 are provided on the two groups of mounting rings 5, the adjustment plates 11 are rotatably connected to the fixing ring 4 through a rotating rod 12, a gear 13 is sleeved on the rotating rod 12, two groups of symmetrically distributed screws 14 are provided in the base 1, the mounting plate 3 is slidably connected to the mounting base 2, and two groups of symmetrically distributed fixed rings are provided in the mounting base 2. A fixed rod 18 is provided with a first adjusting rod 19 in the fixed rod 18, and a second adjusting rod 20 is provided in the first adjusting rod 19. The driving wheel 8 is arranged corresponding to the mounting ring 5, and the driving wheel 8 is meshed with the mounting ring 5 through the external tooth 6. A first motor 9 is provided in the fixed ring 4, and the upper end of the mounting rod 7 is connected to the output end of the first motor 9. The gear 13 is meshed with the mounting ring 5 through the internal tooth 10. Both ends of the two sets of screws 14 pass through the base 1 and are rotatably connected to the base 1. The two sets of screws 14 respectively pass through the base 1 and are threadedly connected to the base 1. A second motor 17 is provided in the base 1, and the left screw 14 is connected to the output end of the second motor 17. The lower ends of the two sets of screws 14 are sleeved with synchronous wheels 15, and a synchronous belt 16 is provided in the base 1. The synchronous belt 16 is respectively connected to the two sets of synchronous wheels 15 for transmission.
[0024] The size of the conical flask that can be fixed in the fixing ring 4 is adjusted by the provided fixing ring 4, the mounting ring 5 and the adjusting plate 11, so that the adjusting device can assist the digester in fixing conical flasks of different sizes according to actual use requirements, and the height of the mounting plate 3 and the fixing ring 4 is adjusted by the provided screw 14 and the mounting seat 2, which facilitates the fixation and installation of conical flasks of different heights.
[0025] like Figure 4 and Figure 5 As shown, the first adjusting rod 19 is slidably connected to the fixed rod 18, the second adjusting rod 20 is slidably connected to the first adjusting rod 19, and the second adjusting rod 20 is fixedly installed with the mounting plate 3. A motor 25 is provided in the fixed rod 18, and a threaded rod 21 is provided in the fixed rod 18. A threaded tube 22 is provided in the first adjusting rod 19. The threaded rod 21 passes through the fixed rod 18 and is rotatably connected to the fixed rod 18 through a bearing. The left end of the threaded rod 21 is connected to the output end of the motor 25, the threaded rod 21 passes through the first adjusting rod 19 and is threadedly connected to the first adjusting rod 19, the threaded tube 22 is rotatably connected to the first adjusting rod 19 through a bearing, the threaded tube 22 passes through the second adjusting rod 20 and is threadedly connected to the second adjusting rod 20, two groups of symmetrically distributed limit grooves 23 are provided on the threaded rod 21, and two groups of symmetrically distributed limit blocks 24 are provided in the threaded tube 22. The limit blocks 24 are corresponding to the limit grooves 23, and the threaded tube 22 is slidably sleeved with the threaded rod 21 through the limit blocks 24.
[0026] The position of the mounting plate 3 can be adjusted by means of the fixed rod 18 and the first adjusting rod 19 and the second adjusting rod 20, so that the staff can conveniently take and place the conical flask at various positions on the mounting plate 3, and avoid the placement of the conical flask being affected by the placement of the condenser tube above.
[0027] The utility model provides an adjustment device for a COD digester, and its specific working principle is as follows: a first motor 9 drives a mounting rod 7 and a driving wheel 8 to rotate, and a mounting ring 5 meshed with the outer teeth 6 rotates synchronously therewith, and the mounting ring 5 drives an inner tooth 10 and a gear 13 to rotate, and a rotating rod 12 fixed to the gear 13 and an adjustment plate 11 rotate synchronously therewith, and the rotation of multiple groups of annularly distributed adjustment plates 11 realizes the adjustment of the size that can be fixed in the fixing ring 4, which is convenient for the staff to stably fix different types of conical flasks in the center of the fixing ring 4 according to actual use needs. The first adjusting rod 19 is moved in the direction of rotation and is aligned with the condenser arranged above the digester. The motor 25 drives the threaded rod 21 to rotate. Under the limiting action of the fixed rod 18, the first adjusting rod 19 slides in the fixed rod 18. The threaded tube 22 slides synchronously with the first adjusting rod 19, and under the action of the limiting block 24 and the limiting groove 23, the threaded tube 22 rotates synchronously with the threaded rod 21. Therefore, under the limiting action of the first adjusting rod 19, the second adjusting rod 20 drives the mounting plate 3 to slide, so that the adjusting device can assist the digester to pull out the mounting plate 3, completely emptying the space above the mounting plate 3, and facilitating the taking and placing of the conical flask.
[0028] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A regulating device for a COD digester, comprising a base (1), characterized in that: The base (1) is provided with a mounting seat (2), the mounting seat (2) is provided with a mounting plate (3), a plurality of groups of fixing rings (4) are evenly distributed on the mounting plate (3), two groups of symmetrically distributed mounting rings (5) are provided in the fixing ring (4), the mounting ring (5) is rotatably connected to the fixing ring (4) through a bearing, the mounting ring (5) is provided with an outer tooth (6) and an inner tooth (10), the fixing ring (4) is provided with a mounting rod (7), two groups of driving wheels (8) are sleeved on the mounting rod (7), and both groups of the mounting rings (5) are provided with a plurality of fixing rings (4) at equal intervals. A plurality of annularly distributed adjustment plates (11) are provided, and the adjustment plates (11) are all rotatably connected to the fixed ring (4) through a rotating rod (12), and a gear (13) is sleeved on the rotating rod (12). Two groups of symmetrically distributed screw rods (14) are provided in the base (1), and the mounting plate (3) is slidably connected to the mounting seat (2). Two groups of symmetrically distributed fixing rods (18) are provided in the mounting seat (2), and a first adjustment rod (19) is provided in the fixing rod (18), and a second adjustment rod (20) is provided in the first adjustment rod (19).
2. The regulating device of a COD digester according to claim 1, characterized in that: The driving wheel (8) is arranged corresponding to the mounting ring (5), and the driving wheel (8) is meshed and connected with the mounting ring (5) through external teeth (6). A first motor (9) is provided in the fixing ring (4), and the upper end of the mounting rod (7) is connected to the output end of the first motor (9). The gear (13) is meshed and connected with the mounting ring (5) through internal teeth (10).
3. The regulating device of a COD digester according to claim 1, characterized in that: Both ends of the two groups of screw rods (14) pass through the base (1) and are rotatably connected to the base (1). The two groups of screw rods (14) respectively pass through the base (1) and are threadedly connected to the base (1). A second motor (17) is provided in the base (1), and the left screw rod (14) is connected to the output end of the second motor (17).
4. The regulating device of a COD digester according to claim 1, characterized in that: The lower ends of the two groups of screw rods (14) are sleeved with synchronous wheels (15), and a synchronous belt (16) is provided in the base (1), and the synchronous belt (16) is respectively connected to the two groups of synchronous wheels (15) for transmission.
5. The regulating device of a COD digester according to claim 1, characterized in that: The first adjusting rod (19) is slidably connected to the fixed rod (18), the second adjusting rod (20) is slidably connected to the first adjusting rod (19), the second adjusting rod (20) is fixedly mounted on the mounting plate (3), a motor (25) is provided in the fixed rod (18), a threaded rod (21) is provided in the fixed rod (18), and a threaded tube (22) is provided in the first adjusting rod (19).
6. The regulating device of a COD digester according to claim 5, characterized in that: The threaded rod (21) passes through the fixed rod (18) and is rotatably connected to the fixed rod (18) through a bearing. The left end of the threaded rod (21) is connected to the output end of the motor (25). The threaded rod (21) passes through the first adjusting rod (19) and is threadedly connected to the first adjusting rod (19). The threaded tube (22) is rotatably connected to the first adjusting rod (19) through a bearing. The threaded tube (22) passes through the second adjusting rod (20) and is threadedly connected to the second adjusting rod (20).
7. The regulating device of a COD digester according to claim 5, characterized in that: The threaded rod (21) is provided with two groups of symmetrically distributed limiting grooves (23), and the threaded tube (22) is provided with two groups of symmetrically distributed limiting blocks (24). The limiting blocks (24) are arranged corresponding to the limiting grooves (23), and the threaded tube (22) is slidably sleeved with the threaded rod (21) through the limiting blocks (24).
Citation Information
Patent Citations
Air-cooled COD (Chemical Oxygen Demand) digester
CN218584488U