Dosing device for sewage treatment
By incorporating a pulverizing component and a sieve plate into the dosing device, the problems of agent agglomeration and clogging caused by impeller wear are solved, achieving thorough mixing of the agent and smooth operation of the dosing system.
Patent Information
- Application Number
- CN202423175429.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-23
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-23
AI Technical Summary
In existing dosing devices, the surface of the stirring paddle is easily worn during the stirring process, causing powdered agents to agglomerate, which may block pipes and valves and affect the normal operation of the dosing system.
The dosing device is equipped with a pulverizing component and a sieve plate. The pulverizing component hammers the agent to break up clumps of powder, which then falls into the storage tank through the sieve plate. Combined with the stirring component, the mixing effect of the agent and water is improved, and the probability of corrosion and clogging of the stirring component is reduced.
It improves the thoroughness of mixing between the agent and water, reduces wear on the stirring components, lowers the probability of clogging, and maintains the smoothness of the dosing system and the uniformity of the drug solution.
Smart Images

Figure CN223555921U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to sewage treatment equipment technical field more specifically, relate to a kind of dosing device for sewage treatment. BACKGROUND
[0002] In the sewage treatment process, various chemical agents need to be added to the sewage, such as flocculants, disinfectants, pH regulators, etc., to achieve the purification of sewage, which is generally completed by a dosing device to add a certain amount of chemicals.
[0003] The existing dosing device generally pours the required chemical agents into the storage tank through the feed inlet at the top of the chemical agent storage tank. Start the stirring motor of the stirring and dissolving mechanism, and open the water inlet on the side of the stirring barrel at the same time to make water flow into the stirring barrel. The stirring paddle rotates at high speed under the drive of the motor, fully mixes and stirs the chemicals and water, ensures that the chemicals are completely dissolved, and forms a uniform chemical solution, which is then added to the sewage in the sewage treatment process;
[0004] During the long-term stirring process, the surface of the stirring paddle may be worn due to friction with the solid particles in the chemicals and water. Especially for some chemicals containing abrasive impurities, the edges of the stirring paddle blades may be gradually worn flat, reducing the shear force of the blades, causing some powdered chemicals to easily clump, and causing incomplete dissolution. This may block the pipeline, valve and dosing pump, affecting the normal operation of the dosing system. In view of this, we propose a dosing device for sewage treatment. SUMMARY
[0005] The utility model aims at overcoming the shortcomings of the prior art, meeting the needs of reality, and providing a dosing device for sewage treatment to solve the technical problem of wear of the surface of the stirring paddle during long-term stirring, affecting the shear force of the clumped powder chemicals, and blocking the pipeline, valve and dosing pump.
[0006] To solve the above technical problems, the utility model provides the following technical scheme: a dosing device for sewage treatment, comprising a chemical storage tank, a stirring assembly for stirring chemicals is installed on the side wall of the chemical storage tank, a dosing member for adding chemicals is installed on the top of the chemical storage tank, a crushing assembly for crushing clumped powder chemicals is installed inside the dosing member, a sieve plate is also installed inside the dosing member below the crushing assembly, and the sieve plate is arc-shaped;
[0007] The crushing assembly comprises driving motors and bearing seats mounted on two sides of the dosing member, a rotating shaft is connected between the driving motor and the bearing seat, a plurality of circular baffles are fixedly installed on the rod wall inside the dosing member, a plurality of fixed rods are arranged between the plurality of baffles, and a plurality of crushing plates are fixedly arranged on the rod wall between adjacent two baffles.
[0008] The dosing member can be used to pour the medicament into the inside of the medicine storage box, the medicament can be hammered by the working of the crushing assembly when the medicament passes through the position of the crushing assembly, the agglomerated medicament powder can be scattered after passing through the position of the crushing assembly, the scattered medicament can fall into the inside of the medicine storage box through the screen holes on the screen plate, the mixing effect of the medicament and water can be improved under the working of the stirring assembly, the phenomenon that the mixing effect is weakened due to the corrosion of the medicament on the stirring part of the stirring assembly is reduced, the sufficiency of the mixing of the medicament is maintained, the probability of blockage due to the insufficient mixing and dissolution of the medicament is reduced, and the smoothness of the working of the dosing system is improved.
[0009] Preferably, the dosing member comprises a bottom shell, an upper shell is fixedly installed on the top of the bottom shell, limiting plates are fixedly arranged on the opposite sides of the bottom shell and abut the top side edges of the screen plate, a plurality of fixed plates are fixedly arranged on the opposite sides of the other side of the bottom shell, and springs are fixedly arranged on the top of the fixed plates.
[0010] Preferably, extension plates are fixedly arranged on the top of both ends of the screen plate, and the bottom of the extension plate is connected to the top end of the spring in abutment.
[0011] Preferably, a limiting sleeve is fixedly arranged on one side of the bottom shell where the limiting plate is arranged, and an insertion strip is fixedly arranged on the bottom of the extension plate and inserted into the limiting sleeve.
[0012] Preferably, an extrusion block is integrally formed on the side end of the crushing plate located in the middle of the two adjacent crushing plates, the end face of the extrusion block is arc-shaped, and the end face of the extrusion block is in interference fit with the top of the screen plate.
[0013] Preferably, the inner wall of the upper shell is integrally formed with oppositely inclined flow guide plates, and the surface of the flow guide plate is a smooth surface.
[0014] Compared with the prior art, the utility model has the advantages that:
[0015] 1. The utility model discloses a convenient medicine is poured into the inside of storage tank through the setting of dosing part, and the medicine is hammered through the work of the position of the smashing component when passing the position of the smashing component, makes the medicine powder that holds the team can be scattered after passing the position of the smashing component, and the medicine after scattering can fall into the inside of storage tank along the sieve hole on the sieve plate, so that the mixing effect of medicine and water can be improved under the work of stirring component, the phenomenon that the mixing effect of stirring part is weakened by the corrosion of medicine appears is reduced, the sufficiency of medicine mixing is kept, the probability that the blockage appears because of the insufficient mixing and dissolution of medicine is reduced, and the smoothness of dosing system work is improved.
[0016] 2. The utility model discloses still through the cooperation of fixed plate, spring and extension plate can make sieve plate have the effect that can move down and reset automatically, cooperate the extruding block that part of the top of the smashing plate sets can extrude sieve plate and move down in the rotation process, when extruding is relieved, can make sieve plate reset automatically through the elasticity of spring, therefore can make sieve plate have the effect that shakes up and down, like this can reduce the probability that sieve plate sieve hole is blocked, improve the smoothness of medicine falling, therefore can strengthen the repeatability of medicine addition. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is the whole structure schematic diagram of the utility model;
[0018] Figure 2 It is the cut open structure schematic diagram of the utility model;
[0019] Figure 3 It is the local structure explosion schematic diagram of the utility model;
[0020] Figure 4 It is Figure 2 The structure enlarged diagram of A part in;
[0021] Figure 5 It is Figure 3 The structure enlarged diagram of B part in.
[0022] Mark number explanation in drawing: 1, storage tank;2, stirring component;3, dosing part;301, bottom shell;302, upper shell;303, limit plate;304, fixed plate;305, spring;306, limit sleeve;307, deflector;4, smashing component;401, drive motor;402, bearing seat;403, shaft;404, partition;405, fixed rod;406, smashing plate;407, extruding block;5, sieve plate;501, extension plate;502, insert strip. DETAILED DESCRIPTION
[0023] As Figures 1 to 5The utility model relates to a dosing device for sewage treatment, including the medicine storage box 1, install the stirring assembly 2 for stirring medicament on the lateral wall of medicine storage box 1, the top of medicine storage box 1 is equipped with the dosing piece 3 for adding medicament, the inside of dosing piece 3 is equipped with the crushing assembly 4 for crushing the agglomerated powder medicament, the inside of dosing piece 3 is also equipped with the sieve plate 5 located below crushing assembly 4, and the sieve plate 5 is arc shape, the inside of dosing piece 3 is equipped with the crushing assembly 4, can hammer medicament when adding powder medicament, so that the agglomerated medicament is broken and becomes powder again, so that the stirring of stirring assembly 2 can improve the dissolution rate and improve the mixing effect when the medicament powder mixes with water, so that the stirring part of stirring assembly 2 can also maintain good stirring mixing effect under the influence of corrosion.
[0024] Crushing assembly 4 includes drive motor 401 and bearing seat 402 installed on the opposite sides of dosing piece 3, drive motor 401 is connected with bearing seat 402, shaft 403 is fixedly installed on the rod wall in the inside of dosing piece 3, a plurality of circular-shaped partitions 404, a plurality of fixed rods 405 are arranged between a plurality of partitions 404, a plurality of crushing plates 406 are fixedly arranged on the rod wall between adjacent two partitions 404, drive motor 401 and bearing seat 402 can control the rotation of shaft 403, so that the partitions 404 on the rod wall of shaft 403 drive a plurality of fixed rods 405 to rotate synchronously, so that a plurality of crushing plates 406 can be driven to rotate and knock the agglomerated powder medicament, achieving the effect of crushing.
[0025] In the embodiment of the utility model, dosing piece 3 includes bottom shell 301, top shell 302 is fixedly installed on the top of bottom shell 301, limit plate 303 is fixedly arranged on the opposite side of bottom shell 301 and adheres to the top side of sieve plate 5, a plurality of fixed plates 304 are fixedly arranged on the opposite side of bottom shell 301, spring 305 is fixedly arranged on the top of fixed plate 304, extension plate 501 is fixedly arranged on the top of sieve plate 5, and the bottom of extension plate 501 is connected with the top end of spring 305 by adhering, the combination of extension plate 501 and spring 305 can elastically support sieve plate 5, so that sieve plate 5 can automatically move down when being extruded, and can automatically reset when losing extrusion, so that the effect of shaking is achieved in the repeated process.
[0026] In the embodiment of the utility model, the side of bottom shell 301 provided with limit plate 303 is fixedly provided with limit sleeve 306, and the bottom of extension plate 501 is fixedly provided with plug bar 502 inserted with limit sleeve 306, the cooperation of plug bar 502 and limit plate 303 can improve the stability of displacement of sieve plate 5.
[0027] In the embodiment of the utility model, the side end of the crushing plate 406 near the middle of the two crushing plates 406 is integrally formed with an extrusion block 407, and the end face of the extrusion block 407 is arc-shaped, and the end face of the extrusion block 407 is in interference fit with the top of the sieve plate 5; the sieve plate 5 can be extruded downward by the contact between the extrusion block 407 and the sieve plate 5, and then the sieve plate 5 is reset by the spring 305 when the extrusion block 407 is separated from the sieve plate 5, so that the shaking effect is achieved, and the interval arrangement of the extrusion blocks 407 can reserve the reset time of the sieve plate 5.
[0028] In the embodiment of the utility model, the inner wall of the upper shell 302 is integrally formed with oppositely inclined guide plates 307, and the surface of the guide plate 307 is smooth; the setting of the guide plate 307 can conveniently guide the powder medicament to the position of the crushing assembly 4, and the design of the smooth surface reduces the adhesion.
[0029] Working principle: the embodiment provides a dosing device for sewage treatment, when it is needed to add medicament into the inside of the medicine storage box 1, the medicament can be poured from the port of the dosing member 3, and the crushing assembly 4 is started to work before pouring, so that the powder medicament entering the inside of the dosing member 3 can first pass through the position of the crushing assembly 4, and the powder medicament can be hammering treated by the cooperation of the rotation of the plurality of crushing plates 406 and the sieve plate 5, so that the powder adhered and held together is broken in the hammering process, and then falls automatically to the inside of the medicine storage box 1 along the sieve hole of the sieve plate 5, then water can be added into the inside of the medicine storage box 1 through the water inlet pipe arranged on the top of the medicine storage box 1, and the stirring assembly 2 is started to work while the water is added, so that the powder medicament can be mixed with the water by the stirring of the stirring assembly 2 after the water enters, so that the powder medicament can be quickly dissolved in the water, so that the fullness of the medicament mixing can be improved, and the good stirring effect can be maintained in the case that the stirring part of the stirring assembly 2 is corroded by the medicament, the problem of powder medicament particles is reduced, the case that the mixed liquid adheres to the inner wall of the pipeline when being added into the sewage is reduced, the smoothness of the liquid addition is maintained, the fullness of the dissolution also maintains the good medicament effect, is beneficial to the sewage treatment, and the part with the extrusion block 407 can extrude the sieve plate 5 downward during the rotation of the crushing plate 406, so that the extension plate 501 presses the spring 305 to contract, so that the sieve plate 5 can be automatically reset by the action force of the spring 305 in the time when the extrusion block 407 is separated from the sieve plate 5, so that the shaking effect can be achieved repeatedly, so that the held medicament blocked in the sieve hole of the sieve plate 5 can be shaken out, and the further crushing treatment effect is achieved, and the fullness of the medicament addition can be improved by the cooperation of the structure, and the probability of omission is reduced.
[0030] The utility model discloses an embodiment discloses the better embodiment, but is not limited to this, and the ordinary skill of the art, the spirit of the utility model is appreciated to the above -mentioned embodiment, and different extension and change are made, but as long as not departing from the spirit of the utility model, all are in the protection range of the utility model.
Claims
1. A dosing device for sewage treatment, characterized by, The utility model provides a medicine storage box, which comprises a medicine storage box (1), a stirring assembly (2) for stirring medicine is installed on the side wall of the medicine storage box (1), a medicine adding part (3) for adding medicine is installed on the top of the medicine storage box (1), a crushing assembly (4) for crushing agglomerated powder medicine is installed in the medicine adding part (3), a sieve plate (5) is installed below the crushing assembly (4) in the medicine adding part (3), and the sieve plate (5) is in an arc shape. The crushing assembly (4) comprises drive motors (401) and bearing seats (402) installed on the two sides of the medicine adding part (3) away from each other, a rotating shaft (403) is connected between the drive motors (401) and the bearing seats (402), a plurality of circular partition plates (404) are fixedly installed on the rod wall in the medicine adding part (3), a plurality of fixed rods (405) are arranged between the plurality of partition plates (404), and a plurality of crushing plates (406) are fixedly arranged on the rod wall between adjacent two partition plates (404).
2. The dosing device for sewage treatment according to claim 1, characterized in that, The medicine adding part (3) comprises a bottom shell (301), an upper shell (302) is fixedly installed on the top of the bottom shell (301), limit plates (303) are fixedly arranged on the opposite sides of the bottom shell (301) and are in contact with the top side edges of the sieve plate (5), a plurality of fixed plates (304) are fixedly arranged on the opposite sides of the bottom shell (301), and springs (305) are fixedly arranged on the top of the fixed plates (304).
3. The dosing device for sewage treatment according to claim 2, characterized in that, The top two ends of the sieve plate (5) are fixedly provided with extension plates (501), and the bottom of the extension plate (501) is in contact with the top end of the spring (305).
4. The dosing device for sewage treatment according to claim 3, characterized in that, The side of the bottom shell (301) provided with the limit plate (303) is fixedly provided with a limit sleeve (306), and the bottom of the extension plate (501) is fixedly provided with an insertion strip (502) inserted into the limit sleeve (306).
5. The dosing device for sewage treatment according to claim 1, characterized in that, The side end of the crushing plate (406) between the two adjacent crushing plates (406) is integrally formed with an extrusion block (407), the end face of the extrusion block (407) is arc-shaped, and the end face of the extrusion block (407) is in interference fit with the top of the sieve plate (5).
6. The dosing device for sewage treatment according to claim 2, characterized in that, The inner wall of the upper shell (302) is integrally formed with oppositely inclined guide plates (307), and the surface of the guide plate (307) is a smooth surface.