A dosing device for sewage treatment
By introducing a mixing and displacement mechanism into the dosing equipment, the problem of uneven reagent distribution was solved, achieving uniform mixing and addition of reagents and improving the wastewater treatment effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- PUYANG CLEANWAY CHEM
- Filing Date
- 2025-06-24
- Publication Date
- 2026-06-12
Smart Images

Figure CN224350397U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of wastewater treatment technology, specifically to a dosing device for wastewater treatment. Background Technology
[0002] Wastewater treatment refers to the purification process of wastewater to meet the water quality requirements for discharge into a water body or for reuse. During wastewater treatment, to remove pollutants such as suspended solids, heavy metals, phosphorus, and nitrogen, and to help adjust the pH value, reduce turbidity, and remove odors, chemical dosing equipment is typically used to add chemicals to wastewater tanks or disinfection tanks. Chemical dosing equipment is a device used to add chemical agents to a wastewater treatment system. These devices can accurately add chemicals to the wastewater according to set proportions and flow rates to achieve specific treatment objectives. Chemical dosing equipment can quickly and efficiently remove pollutants from wastewater, shorten treatment time, and, through effective wastewater treatment, reduce pollutant emissions, protecting water bodies and the ecological environment.
[0003] In existing technologies, when adding chemicals to wastewater using a dosing device, the chemicals are generally added directly to the wastewater, and then the wastewater is stirred to achieve mixing between the wastewater and the chemicals. However, because the chemicals cannot be well stirred and mixed before addition, the quality of the chemicals may be uneven, which cannot guarantee the quality and uniformity of the dosing, as well as the effectiveness of wastewater treatment. Therefore, in order to solve the above problems, a dosing device for wastewater treatment is proposed. Utility Model Content
[0004] The purpose of this utility model is to provide a dosing device for sewage treatment, so as to solve the problem mentioned in the background art that the quality of the dosing may be uneven due to the inability to properly stir and mix the agent before addition, thus failing to ensure the quality and uniformity of the dosing and the effectiveness of sewage treatment.
[0005] To achieve the above objectives, the present invention provides the following technical solution: a dosing device for sewage treatment, comprising a support base, wherein a dosing tank is provided on the surface of the support base, and an inlet and an outlet are fixedly connected to the surface of the dosing tank;
[0006] A mixing mechanism is provided inside the dosing tank, and a displacement mechanism is provided inside the support base;
[0007] The mixing mechanism includes a rotating rod and a stirring rod, both of which are movable inside the support base, and the stirring rod is fixedly connected to the surface of the rotating rod.
[0008] The displacement mechanism includes a reciprocating lead screw, which is movable inside the support base, and a moving block is movably connected to the surface of the reciprocating lead screw. The moving block is fixedly connected to the dosing tank.
[0009] Preferably, the mixing mechanism further includes a first motor, which is fixedly installed on the top of the dosing tank, and the rotating rod is fixedly connected to the output end of the first motor. The stirring rod is arranged in thirty groups and fixedly connected to the rotating rod.
[0010] Preferably, a connecting rod is fixedly connected to the surface of the rotating rod, and a first scraper is fixedly connected to the end of the connecting rod away from the rotating rod.
[0011] Preferably, the connecting rods are in four groups and fixedly connected to the rotating rod, and two groups of the connecting rods are correspondingly connected to the first scraper, and the surface of the rotating rod is fixedly connected to the second scraper.
[0012] Preferably, the displacement mechanism further includes a movable groove, which is formed inside the support base, and the reciprocating screw moves inside the movable groove. A second motor is fixedly installed on the surface of the support base, and the output ends of the reciprocating screw and the second motor are fixedly connected.
[0013] Preferably, the movable block is movable inside the movable slot, the surface of the dosing tank is fixedly connected to a limiting block, and a limiting slot is formed on the inner side of the support base.
[0014] Preferably, the limiting block is movable inside the limiting groove, and the dosing tank and the limiting block are fixedly connected.
[0015] Compared with the prior art, the beneficial effects of this utility model are:
[0016] 1. The first motor drives the rotating rod to rotate, which in turn causes the stirring rod, connecting rod, and second scraper to rotate. The rotation of the stirring rod stirs the chemicals in the dosing tank, facilitating thorough mixing and resulting in more uniform quality. This helps ensure the uniformity and quality of the dosing. The rotation of the connecting rod allows the first scraper to scrape the walls of the dosing tank, preventing the chemicals from accumulating on the inner walls. The second scraper scrapes the bottom of the tank, preventing the chemicals from accumulating and settling at the bottom. This facilitates better discharge and dosing of the chemicals, avoiding waste.
[0017] 2. The second motor drives the reciprocating screw to rotate, and with the setting of the limit block and limit groove, the moving block can drive the dosing tank to move back and forth, thereby changing the position of the dosing tank. This allows the dosing outlet to add the agent at different positions during dosing, which facilitates better dispersion and integration of the agent into the sewage, thus improving the quality and efficiency of sewage treatment. Attached Figure Description
[0018] Figure 1 This is a front view schematic diagram of the structure of this utility model;
[0019] Figure 2 This is an exploded side view of the structure of this utility model;
[0020] Figure 3 This is a front sectional view of the structure of the dosing box and rotating rod of this utility model;
[0021] Figure 4 This is a frontal exploded view of the structure of the stirring rod and the second scraper of this utility model;
[0022] Figure 5 This is an exploded front view of the structure of the reciprocating lead screw and limiting block of this utility model.
[0023] In the diagram: 1. Support base; 11. Dosing tank; 12. Inlet; 13. Outlet; 2. Rotating rod; 21. First motor; 22. Stirring rod; 23. Connecting rod; 24. First scraper; 25. Second scraper; 3. Movable groove; 31. Reciprocating screw; 32. Second motor; 33. Moving block; 34. Limiting block; 35. Limiting groove. Detailed Implementation
[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0025] Please see Figure 1-5 One embodiment provided by this utility model:
[0026] The first motor 21 and the second motor 32 used in this application are products that can be purchased directly from the market. Their principles and connection methods are existing technologies well known to those skilled in the art, so they will not be described in detail here.
[0027] A dosing device for wastewater treatment includes a support base 1, a dosing tank 11 on the surface of the support base 1, and a dosing inlet 12 and a dosing outlet 13 fixedly connected to the surface of the dosing tank 11. A mixing mechanism is provided inside the dosing tank 11, and a displacement mechanism is provided inside the support base 1. The mixing mechanism includes a rotating rod 2 and a stirring rod 22, both of which are movable inside the support base 1, and the stirring rod 22 is fixedly connected to the surface of the rotating rod 2. The displacement mechanism includes a reciprocating screw 31, which is movable inside the support base 1, and a moving block 33 is movably connected to the surface of the reciprocating screw 31. The moving block 33 is fixedly connected to the dosing tank 11. The dosing inlet 12 allows for the addition of chemicals to the dosing tank 11, and the dosing tank 11 allows for the storage of chemicals. The dosing outlet 13 allows the chemicals to be discharged, thereby enabling the dosing of chemicals into a disinfection tank or wastewater tank.
[0028] Furthermore, the mixing mechanism also includes a first motor 21, which is fixedly installed on the top of the dosing tank 11. The rotating rod 2 is fixedly connected to the output end of the first motor 21. The stirring rod 22 is fixedly connected to the rotating rod 2 in thirty groups. The stirring rod 22 is set up so that it rotates under the action of the rotating rod 2, which facilitates better mixing of the agents and thus ensures the quality of dosing to the wastewater, resulting in better dosing effect.
[0029] Furthermore, a connecting rod 23 is fixedly connected to the surface of the rotating rod 2, and a first scraper 24 is fixedly connected to the end of the connecting rod 23 away from the rotating rod 2. The connecting rod 23 connects the rotating rod 2 and the first scraper 24, so that when the rotating rod 2 rotates, the connecting rod 23 can drive the first scraper 24 to rotate under the action of the rotating rod 2, thereby enabling the first scraper 24 to scrape the wall of the dosing tank 11, which can prevent the adhesion and accumulation of the medicine.
[0030] Furthermore, the connecting rods 23 are fixedly connected to the rotating rod 2 in four groups, and two groups of connecting rods 23 are correspondingly connected to the first scraper 24. The surface of the rotating rod 2 is fixedly connected to the second scraper 25. By setting the second scraper 25, when the second scraper 25 rotates under the action of the rotating rod 2, it can scrape the bottom surface of the dosing tank 11, which can prevent the agent from settling at the bottom and facilitate better discharge of the agent.
[0031] Furthermore, the displacement mechanism also includes a movable groove 3, which is opened inside the support base 1, and the reciprocating screw 31 moves inside the movable groove 3. A second motor 32 is fixedly installed on the surface of the support base 1, and the output ends of the reciprocating screw 31 and the second motor 32 are fixedly connected. The second motor 32 drives the reciprocating screw 31 to rotate, so that the moving block 33 can drive the dosing box 11 to move back and forth, thereby changing the position of the dosing box 11 during dosing, which facilitates uniform dosing and makes the dosing effect better.
[0032] Furthermore, the movable block 33 moves inside the movable groove 3, and the surface of the dosing tank 11 is fixedly connected to the limiting block 34. The inner side of the support base 1 is provided with a limiting groove 35. By providing the limiting groove 35, when the dosing tank 11 moves, the limiting block 34 can move within the limiting groove 35, which can limit the dosing tank 11 and prevent the dosing tank 11 from shifting.
[0033] Furthermore, the limiting block 34 is movable inside the limiting groove 35, and the dosing tank 11 and the limiting block 34 are fixedly connected. By setting the limiting block 34 and opening the limiting groove 35, the moving block 33 can drive the dosing tank 11 to move stably under the action of the reciprocating screw 31, thereby ensuring the stability of the movement of the dosing tank 11.
[0034] Working principle: During use, the first motor 21 is electrically connected to an external power source. The operator starts the first motor 21 by pressing the switch. The first motor 21 drives the rotating rod 2 to rotate. The stirring rod 22 will also rotate under the action of the rotating rod 2. The rotation of the stirring rod 22 can stir and mix the medicine in the dosing tank 11, making the quality of the medicine more uniform. The connecting rod 23 can also rotate under the action of the rotating rod 2 and drive the first scraper 24 to rotate. The rotation of the first scraper 24 and the friction between the first scraper 24 and the inner wall of the dosing tank 11 can scrape the wall of the dosing tank 11. The second scraper 25 can also rotate under the action of the rotating rod 2 and scrape the bottom surface of the dosing tank 11, thereby preventing the accumulation of medicine on the dosing tank 11.
[0035] The second motor 32 is electrically connected to an external power source. The operator starts the second motor 32 by pressing a switch. The second motor 32 drives the reciprocating screw 31 to rotate. Since the dosing tank 11 is limited by the limiting block 34 and the limiting groove 35, the moving block 33 moves inside the movable groove 3 under the action of the reciprocating screw 31. As a result, the dosing tank 11 moves and the limiting block 34 moves within the limiting groove 35, so that the dosing tank 11 can move back and forth to add medicine during the dosing process.
[0036] The above are merely preferred embodiments of this utility model and are not intended to limit the utility model in any way. Those skilled in the art can readily implement this utility model based on the accompanying drawings and the description above. However, any modifications, alterations, or variations made by those skilled in the art without departing from the scope of the utility model's technical solution, utilizing the disclosed technical content, are equivalent embodiments of this utility model. Furthermore, any equivalent changes, alterations, or variations made to the above embodiments based on the essential technology of this utility model are still within the protection scope of this utility model's technical solution.
Claims
1. A dosing device for sewage treatment, comprising a support base (1), wherein a dosing tank (11) is provided on the surface of the support base (1), and a dosing inlet (12) and a dosing outlet (13) are fixedly connected to the surface of the dosing tank (11); Its features are, The dosing tank (11) is provided with a mixing mechanism on its inner side, and the support base (1) is provided with a displacement mechanism on its inner side. The mixing mechanism includes a rotating rod (2) and a stirring rod (22), both of which are movable inside the support base (1), and the stirring rod (22) is fixedly connected to the surface of the rotating rod (2); The displacement mechanism includes a reciprocating lead screw (31), which is movable inside the support base (1), and a moving block (33) is movably connected to the surface of the reciprocating lead screw (31). The moving block (33) is fixedly connected to the dosing tank (11).
2. The dosing device for wastewater treatment according to claim 1, characterized in that: The mixing mechanism also includes a first motor (21), which is fixedly installed on the top of the dosing tank (11), and the rotating rod (2) is fixedly connected to the output end of the first motor (21). The stirring rod (22) is arranged in thirty groups and fixedly connected to the rotating rod (2).
3. The dosing device for wastewater treatment according to claim 1, characterized in that: A connecting rod (23) is fixedly connected to the surface of the rotating rod (2), and a first scraper (24) is fixedly connected to the end of the connecting rod (23) away from the rotating rod (2).
4. A dosing device for wastewater treatment according to claim 3, characterized in that: The connecting rods (23) are in four groups and fixedly connected to the rotating rod (2), and two groups of the connecting rods (23) are correspondingly connected to the first scraper (24). The surface of the rotating rod (2) is fixedly connected to the second scraper (25).
5. A dosing device for wastewater treatment according to claim 1, characterized in that: The displacement mechanism also includes a movable groove (3), which is opened on the inner side of the support base (1), and the reciprocating screw (31) moves on the inner side of the movable groove (3). A second motor (32) is fixedly installed on the surface of the support base (1), and the output end of the reciprocating screw (31) and the second motor (32) are fixedly connected.
6. A dosing device for wastewater treatment according to claim 5, characterized in that: The movable block (33) moves inside the movable slot (3), the surface of the dosing tank (11) is fixedly connected to the limiting block (34), and the inner side of the support base (1) is provided with a limiting slot (35).
7. A dosing device for wastewater treatment according to claim 6, characterized in that: The limiting block (34) is movable inside the limiting groove (35), and the dosing tank (11) and the limiting block (34) are fixedly connected.