Medicament adding device

Abstract

The invention relates to an agent adding device which comprises a mounting support, a rotary driving device, an ultrasonic auxiliary device and an agent spraying device, the mounting support can be fixedly mounted in a target structure and is fixedly connected with the rotary driving device through a hanging rod, and an ultrasonic generating unit is arranged on a mounting disc of the ultrasonic auxiliary device; the rotary driving device is fixedly connected with the mounting disc and drives the mounting disc to rotate by a preset angle in a reciprocating manner; a pesticide inlet pipe of the pesticide spraying device is connected to the mounting disc and extends to the central axis from the edge of the mounting disc; one end of the pesticide inlet pipe is communicated with the pesticide adding device through the rotary joint, and the other end extends towards the edge of the mounting disc, penetrates through the lower end of the mounting disc and is communicated with the pesticide spraying pipe located at the lower end of the mounting disc. According to the invention, the medicament is uniformly dispersed into the sewage and wastewater by utilizing the microjet and vibration effects of the ultrasonic-assisted device, so that the mixing efficiency of the medicament and the sewage and wastewater is improved, and the treatment effect of the sewage and wastewater is improved.

Description

Technical Field

[0001] The present disclosure relates to the technical field of water treatment, and particularly to a chemical dosing device. Background Art

[0002] With the acceleration of the industrialization and urbanization processes, the discharge and treatment volumes of industrial wastewater and municipal sewage are increasing day by day. In the treatment processes of sewage and wastewater, chemicals need to be dosed in multiple links such as coagulation, flocculation, disinfection, pH adjustment, phosphorus removal, and nitrogen removal to achieve the up-to-standard discharge of sewage and wastewater. The traditional chemical dosing method usually doses the chemicals into the treatment system at a fixed position. Such a dosing method is likely to cause uneven chemical dosing, with obvious differences in the local chemical concentration, thereby reducing the mixing efficiency of the chemicals and sewage and wastewater and the treatment effect. Summary of the Invention

[0003] In view of this, the embodiments of the present disclosure provide a chemical dosing device to solve the technical defects existing in the prior art.

[0004] To achieve the above object, the present disclosure adopts the following technical solutions: The present disclosure provides a chemical dosing device, including: A mounting bracket, which is configured to be fixedly installed inside a target structure; A rotary driving device, which is fixedly connected to the mounting bracket through a suspension rod; An ultrasonic assisting device, which includes a mounting disk and an ultrasonic generating unit, and the ultrasonic generating unit is arranged on the mounting disk; wherein, the mounting disk is configured to be fixedly connected to the rotary driving device, and the rotary driving device is configured to drive the mounting disk to rotate reciprocally by a predetermined angle; A chemical spraying device, which includes a rotary joint, a chemical inlet pipe, and a chemical spraying pipe. The chemical inlet pipe is configured to be connected to the mounting disk and extend from the edge of the mounting disk to the central axis of the mounting disk; one end of the chemical inlet pipe located on the rotation axis of the mounting disk is configured to communicate with a chemical dosing device through the rotary joint, and the other end is configured to extend towards the edge of the mounting disk and penetrate to the lower end of the mounting disk to communicate with the chemical spraying pipe located at the lower end of the mounting disk.

[0005] In an embodiment of the present disclosure, the ultrasonic generating unit includes multiple groups of ultrasonic probes, and each group of ultrasonic probes is configured to be arranged at intervals along the diameter direction of the mounting disk, and the ultrasonic probes are configured to radiate ultrasonic waves downward.

[0006] In an embodiment of the present disclosure, the predetermined angle when the rotary driving device rotates reciprocally is less than 360°.

[0007] In one embodiment of the present disclosure, the medicine inlet pipe includes a first part, a second part, and a third part that are connected in sequence; wherein the first part is configured to penetrate through the edge of the mounting disk and communicate with the medicine spraying pipe; the second part is configured to extend from the position communicating with the first part along a direction parallel to the mounting disk to the position of the rotation axis of the mounting disk; the third part is configured to extend upward along the rotation axis of the mounting disk from the position communicating with the second part to be connected to the medicine adding device.

[0008] In one embodiment of the present disclosure, the medicine adding device includes a connecting pipe, the connecting pipe is located on the central axis of the mounting disk, and is configured to be connected to the upper end of the third part through a rotary joint.

[0009] In one embodiment of the present disclosure, a plurality of the medicine inlet pipes are provided, and the plurality of medicine inlet pipes are distributed in the circumferential direction of the mounting disk, and the number of the medicine spraying pipes corresponds to the number of the medicine inlet pipes; wherein, the plurality of medicine inlet pipes are configured to have a common third part.

[0010] In one embodiment of the present disclosure, the medicine spraying pipe is configured to have one end communicating with the medicine inlet pipe, the other end extending along the diameter direction of the mounting disk to the edge on the opposite side of the mounting disk, and then extending upward to be fixedly connected to the mounting disk, and the medicine spraying pipe is arranged parallel to the mounting disk.

[0011] In one embodiment of the present disclosure, spraying holes are provided on the pipe body of the medicine spraying pipe, the spraying holes are located below and / or on both sides of the pipe body, and the medicine is configured to be sprayed out through the spraying holes.

[0012] In one embodiment of the present disclosure, a medicine adding pump is provided in the medicine adding device, and the medicine adding pump is configured to provide pressure for the medicine, so that after the medicine flows into the medicine spraying pipe, it is sprayed out radially through the spraying holes.

[0013] In one embodiment of the present disclosure, it further includes a protective cover, the protective cover is fixedly connected to the hanging rod, and is configured to be sleeved outside the rotary driving device.

[0014] The beneficial effect of the medicine dosing device provided by the present disclosure is that, by utilizing the micro-jet and vibration effects of the ultrasonic assistance device, when the medicine spraying device sprays the medicine into the sewage and wastewater, the dispersion efficiency of the medicine can be effectively improved, the diffusion effect of the medicine in the sewage and wastewater can be strengthened, thereby improving the treatment effect of the sewage and wastewater.

[0015] Through the following detailed description of the exemplary embodiments of the present disclosure with reference to the accompanying drawings, other features and advantages of the present disclosure will become clear. Description of the Drawings

[0016] The accompanying drawings incorporated in and forming a part of this specification illustrate embodiments of the present disclosure and, together with the description thereof, serve to explain the principles of the present disclosure.

[0017] Figure 1 is a schematic structural view of a medicament dosing device provided by an embodiment of the present disclosure; Figure 2 is an exploded structural view of a medicament dosing device provided by an embodiment of the present disclosure; Figure 3 is a sectional view of a medicament dosing device provided by an embodiment of the present disclosure along the A-A direction; Figure 4 is a sectional view of a medicament dosing device provided by an embodiment of the present disclosure along the B-B direction.

[0018] Figures 1 to 4 The one-to-one correspondence between the names of the components and the reference numerals in is as follows: 1. Mounting bracket; 2. Suspension rod; 3. Rotary drive device; 4. Ultrasonic assistance device; 41. Mounting plate; 42. Ultrasonic generating unit; 421. Ultrasonic probe; 5. Spraying device; 51. Rotary joint; 52. Medicine inlet pipe; 521. First part; 522. Second part; 523. Third part; 53. Spraying pipe; 6. Protective cover. Detailed Description of the Embodiment

[0019] Now, various exemplary embodiments of the present disclosure will be described in detail with reference to the accompanying drawings. It should be noted that: unless otherwise specifically stated, the relative arrangements of the components and steps set forth in these embodiments, numerical expressions and values do not limit the scope of the present disclosure.

[0020] The following description of at least one exemplary embodiment is merely illustrative in nature and in no way serves as a limitation on the present disclosure, its application, or its use.

[0021] Technologies, methods, and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such technologies, methods, and devices should be regarded as part of the specification.

[0022] It should be noted that: like reference numerals and letters denote like items in the following drawings, and thus, once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0023] In this document, "upper", "lower", "front", "rear", "left", "right", etc. are only used to represent the relative positional relationship between relevant parts, rather than defining the absolute positions of these relevant parts.

[0024] In this text, "first", "second", etc. are only used to distinguish from each other, rather than indicating importance, order, and the prerequisite for each other's existence, etc.

[0025] In this text, "equal", "same", etc. are not strict mathematical and / or geometric limitations, and also include errors that can be understood by those skilled in the art and are allowed in manufacturing or using, etc.

[0026] With the rapid advancement of industrialization and urbanization, the discharge and treatment volume of industrial wastewater and municipal sewage continue to climb. In order to improve the treatment effect of sewage and wastewater, during the treatment process of sewage and wastewater, it is necessary to add chemicals to the sewage and wastewater. However, traditional chemical dosing devices usually add chemicals to the treatment system at fixed points, resulting in a good reaction effect at the front part close to the chemical dosing point due to the high chemical concentration, while the rear part far from the chemical dosing point has a low chemical concentration, leading to low reaction efficiency, thus reducing the mixing efficiency of the chemicals and pollutants in the wastewater and reducing the overall treatment effect. Therefore, the present disclosure provides a chemical dosing device to solve the technical defects existing in the prior art.

[0027] The present disclosure relates to a chemical dosing device applied to the sewage treatment scenario, mainly used for dosing chemicals into sewage and wastewater. The chemical dosing device of the present disclosure includes a mounting bracket, a rotary drive device, an ultrasonic assistance device, and a chemical spraying device. Among them, the mounting bracket can be fixedly installed inside the target structure and is fixedly connected to the rotary drive device through a suspension rod. An ultrasonic generating unit is provided on the mounting disk of the ultrasonic assistance device. The rotary drive device is fixedly connected to the mounting disk and drives the mounting disk to reciprocally rotate by a predetermined angle; the chemical inlet pipe of the chemical spraying device is connected to the mounting disk and extends from the edge of the mounting disk to the central axis; one end of the chemical inlet pipe is communicated with the chemical dosing device through a rotary joint, and the other end extends to the edge of the mounting disk and penetrates to the lower end of the mounting disk and is communicated with the chemical spraying pipe located at the lower end of the mounting disk.

[0028] The chemical dosing device provided by the present disclosure can effectively improve the dispersion efficiency of the chemicals and strengthen the diffusion effect of the chemicals in the sewage and wastewater by utilizing the micro-jet flow and vibration effects of the ultrasonic assistance device when the chemical spraying device sprays the chemicals into the sewage and wastewater, thereby improving the treatment effect of the sewage and wastewater.

[0029] For ease of understanding, hereinafter, with reference to Figures 1 to 4 , a specific example is combined to describe in detail the specific structure and working principle of the chemical dosing device of the present disclosure.

[0030] Refer to Figure 1 and Figure 2, a chemical dosing device provided by the present disclosure includes a mounting bracket 1, a rotary drive device 3, an ultrasonic assistance device 4, and a spraying device 5. Among them, the mounting bracket 1 can fixedly install the chemical dosing device inside the target structure. The rotary drive device 3 is fixedly connected to the mounting bracket 1 through a suspension rod 2 and is used to bear the overall gravity of the chemical dosing device. The mounting bracket 1 is usually made of high-strength materials that are both lightweight and strong, such as aluminum alloy, stainless steel, etc. Also, considering the influence of vibration during operation on the equipment, shock absorbers can be provided inside the mounting bracket 1 to reduce the impact caused by vibration transmitted to the chemical dosing device.

[0031] Furthermore, an ultrasonic generating unit 42 is provided on the mounting plate 41 of the ultrasonic assistance device 4. The ultrasonic generating unit 42 is used to radiate ultrasonic waves downward, and the mounting plate 41 is fixedly connected to the rotary drive device 3. Based on this, the mounting plate 41 can reciprocally rotate a predetermined angle driven by the rotary drive device 3. Among them, ultrasonic waves are a type of sound wave with a frequency higher than the human audible range (usually above 20 kHz). It propagates through a medium and interacts with the medium during propagation, generating a series of physical effects, such as cavitation effects and thermal effects, etc. A single ultrasonic probe 421 can emit ultrasonic waves downward, thereby forming a local ultrasonic field downward. When multiple ultrasonic probes 421 are evenly distributed on the mounting plate 41 and the mounting plate 41 starts to rotate, the local ultrasonic field originally formed by a single ultrasonic probe 421 is expanded into a larger dynamic ultrasonic field. By rotating, ultrasonic waves can be incident on the processing medium from different angles, increasing the opportunity of interaction between ultrasonic waves and the medium, improving the penetration and mixing effects. Especially in wastewater treatment, the cavitation effect of ultrasonic waves can be more fully exerted to assist in chemical dispersion and strengthen the chemical diffusion effect.

[0032] The medicine inlet pipe 52 of the spraying device 5 is connected to the mounting plate 41, extending from the edge of the mounting plate 41 to the central axis. One end of the medicine inlet pipe 52 is connected to the dosing device through a rotary joint 51, and the other end extends to the edge of the mounting plate 41 and penetrates to the lower end of the mounting plate 41, communicating with the spraying pipe 53 located at the lower end of the mounting plate 41. Thus, the medicine inlet pipe 52 can also rotate around the rotation axis driven by the mounting plate 41 to cooperate with the movement of the spraying pipe 53 at the bottom of the mounting plate 41. Spraying the chemical during rotation can greatly increase the diffusion range of the chemical. And setting the rotary joint 51 can maintain the continuity of fluid transmission in the medicine inlet pipe 52 when the medicine inlet pipe 52 reciprocally rotates relative to the dosing device. The rotary joint 51 enables the medicine inlet pipe 52 to rotate freely through the bearings inside it without affecting the externally connected pipes, thereby avoiding problems such as pipeline entanglement or rupture caused by rotation. In addition, the rotary joint 51 can also provide an efficient sealing effect, thereby preventing cost losses caused by chemical leakage.

[0033] Furthermore, in order to improve the overall stability of the device, the suspension rod 2 is fixedly installed at the center of the rotary drive device 3. Since the rotation axis of the medicine inlet pipe 52 coincides with the central axis of the rotary drive device 3, in order to prevent the suspension rod 2 from colliding with the medicine inlet pipe 52, the suspension rod 2 is configured to have a bent portion, that is, it extends vertically upward from the center of the rotary drive device 3 for a certain height, then extends horizontally for a certain distance, and then extends vertically upward to be fixedly connected to the mounting bracket 1. The existence of the bent portion enables the suspension rod 2 and the medicine inlet pipe 52 to always maintain a safe distance, thereby improving the overall stability of the device.

[0034] In practical applications, the medicine dosing device of the present disclosure is fixed inside the target structure through the mounting bracket 1 and is fixedly connected to the rotary drive device 3 through the suspension rod 2. During operation, the rotary drive device 3 is started to drive the mounting disk 41 to rotate reciprocally. The medicine is ejected radially from the spraying pipe 53 under the push of the dosing device. The ultrasonic probe 421 on the mounting disk 41 emits ultrasonic waves downward and forms a dynamic ultrasonic field through rotation. With the assistance of the ultrasonic field, the ejected medicine is fully mixed with the sewage and wastewater, thereby improving the treatment effect of the sewage and wastewater.

[0035] Reference Figure 3 , in an embodiment of the present disclosure, the ultrasonic generating unit 42 includes multiple groups of ultrasonic probes 421. Each group of ultrasonic probes 421 is configured to be spaced along the diameter direction of the mounting disk 41, and the ultrasonic probe 421 is configured to radiate ultrasonic waves downward.

[0036] Specifically, the ultrasonic probes 421 of the ultrasonic generating unit 42 are evenly divided into multiple groups. The number of ultrasonic probes 421 in each group is equal and they are spaced along the diameter direction. Such a setting enables each ultrasonic probe 421 to have its own action area, so that when radiating ultrasonic waves, they can affect each other to form an ultrasonic field, assist in the dispersion of the medicine, and strengthen the diffusion effect of the medicine. The number of ultrasonic probes 421 in each group can be flexibly adjusted. For example, when there is less sewage and wastewater in the target structure, the installation quantity of the ultrasonic probes 421 can be reduced, and the density of the ultrasonic probes 421 on the mounting disk 41 can be reduced, thereby reducing the investment cost. Moreover, parameters such as the ultrasonic frequency, intensity, and time of each ultrasonic probe 421 can be adjusted manually, which enables the ultrasonic assistance device 4 of the present disclosure to adapt to various sewage and wastewater treatment scenarios.

[0037] Reference Figure 1 and Figure 2 , in an embodiment of the present disclosure, the predetermined angle when the rotary drive device 3 is configured to rotate reciprocally is less than 360°.

[0038] Specifically, since the rotary drive device 3 is fixedly connected to the mounting disk 41, and the medicine inlet pipe 52 is fixed on the mounting disk 41, when the rotary drive device 3 rotates, it will drive the medicine inlet pipe 52 and the medicine spraying pipe 53 to rotate together. Compared with spraying in a fixed direction, the reciprocating rotation can make the medicine spread more evenly in the entire wastewater, which reduces the problem of uneven spraying caused by over-spraying or under-spraying in local areas.

[0039] Furthermore, since the hanging rod 2 is fixedly installed at the center of the rotary drive device 3, and the rotation axis of the medicine inlet pipe 52 coincides with the central axis of the rotary drive device 3, in order to prevent the medicine inlet pipe 52 from colliding with the hanging rod 2 during rotation, the present disclosure sets the predetermined angle when the rotary drive device 3 makes a reciprocating rotation to be less than 360°.

[0040] Reference Figure 1 and Figure 2 In an embodiment of the present disclosure, the medicine inlet pipe 52 includes a first part 521, a second part 522, and a third part 523 that are connected in sequence; wherein the first part 521 is configured to penetrate through the edge of the mounting disk 41 and communicate with the medicine spraying pipe 53; the second part 522 is configured to extend from the position communicating with the first part 521 along a direction parallel to the mounting disk 41 to the position of the rotation axis of the mounting disk 41; the third part 523 is configured to extend upward along the rotation axis of the mounting disk 41 from the position communicating with the second part 522 to be connected to the medicine adding device.

[0041] Specifically, for the convenience of describing the structure of the medicine inlet pipe 52, the medicine inlet pipe 52 is divided into a first part 521, a second part 522, and a third part 523 that are connected in sequence. Among them, the first part 521 penetrates through the edge of the mounting disk 41 and communicates with the medicine spraying pipe 53. Thus, the medicine inlet pipe 52 can rotate around the rotation axis under the drive of the mounting disk 41. Therefore, the second part 522 extends from the position communicating with the first part 521 along a direction parallel to the mounting disk 41 to the position of the rotation axis of the mounting disk 41, and the third part 523 is arranged on the rotation axis of the mounting disk 41, so that the whole medicine inlet pipe 52 can rotate around the rotation axis. And the third part 523 is communicated with the medicine adding device through a rotary joint 51. By using the bearings and seals inside the rotary joint 51, when the medicine adding device does not move, the continuity of the internal fluid transmission of the medicine inlet pipe 52 during rotation can be ensured, ensuring that the medicine inlet pipe 52 can rotate freely without affecting the externally connected pipelines, effectively avoiding problems such as pipeline entanglement or breakage caused by rotation. In addition, the rotary joint 51 also provides high sealing performance to prevent medicine leakage, thereby avoiding cost losses caused by medicine leakage.

[0042] Reference Figure 1 and Figure 2, in an embodiment of the present disclosure, the medicine adding device includes a connecting pipe, which is located on the central axis of the mounting plate 41 and is configured to be connected to the upper end of the third part 523 through a rotary joint 51.

[0043] Specifically, since the rotary driving device 3 drives the medicine inlet pipe 52 connected thereto to rotate synchronously during operation, if a traditional fixed connection method is adopted, the connecting pipe of the medicine adding device is prone to winding or damage problems. To solve this problem and ensure the stable operation of the system, in the present disclosure, by using a rotary joint 51 and arranging the connecting pipe on the central axis of the mounting plate 41, and the central axis of the mounting plate 41 is consistent with the rotation axis of the entire device, even if the rotary driving device 3 drives the medicine inlet pipe 52 to rotate, the connecting pipe can remain stationary, thus avoiding the situation of winding or damage of the connecting pipe that may occur in the traditional fixed connection method.

[0044] Reference Figure 2 And Figure 4 , in an embodiment of the present disclosure, a plurality of medicine inlet pipes 52 are provided, and the plurality of medicine inlet pipes 52 are distributed in the circumferential direction of the mounting plate 41, and the number of spraying pipes 53 corresponds to the number of medicine inlet pipes 52; wherein, the plurality of medicine inlet pipes 52 are configured to have a common third part 523.

[0045] Specifically, by arranging a plurality of medicine inlet pipes 52 in the circumferential direction of the mounting plate 41 and making the number of spraying pipes 53 correspond to the number of medicine inlet pipes 52, the plurality of spraying pipes 53 can spray the medicine simultaneously from different directions, thus significantly improving the coverage density of the medicine. And by connecting the plurality of medicine inlet pipes 52 to the same third part 523, the stability of the system operation can be enhanced. Even if a certain medicine inlet pipe 52 is blocked or fails, the other medicine inlet pipes 52 can still continue to work, ensuring the continuous operation of the system. Moreover, the plurality of medicine inlet pipes 52 can also share the fluid pressure, preventing a single pipe from being damaged due to excessive flow rate, thereby increasing the reliability and stability of the system and extending the service life of the equipment.

[0046] Furthermore, the predetermined angle of reciprocating rotation is related to the number of medicine inlet pipes. The number of medicine inlet pipes can be set to two or three. If the number of medicine inlet pipes is set to two, the predetermined angle of reciprocating rotation is preferably 180°. If the number of medicine inlet pipes is set to three, the predetermined angle of reciprocating rotation is preferably 120°. By setting different predetermined angles according to the different numbers of medicine inlet pipes, it can ensure that each rotation can maximize the spraying range of the medicine, effectively reduce overlapping spraying and ineffective movement, optimize the flow control, and improve the overall efficiency of the system, thereby reducing energy consumption and achieving the goal of saving energy while ensuring the treatment effect.

[0047] Reference Figures 1 to 4, in an embodiment of the present disclosure, the spraying pipe 53 is configured such that one end thereof communicates with the medicine inlet pipe 52, and the other end extends along the diameter direction of the mounting disc 41 to the edge on the opposite side of the mounting disc 41, and then extends upward to be fixedly connected to the mounting disc 41. The spraying pipe 53 is arranged parallel to the mounting disc 41.

[0048] Specifically, one end of the spraying pipe 53 communicates with the medicine inlet pipe 52 for receiving the medicine from the medicine adding device. The other end of the spraying pipe 53 extends along the diameter direction of the mounting disc 41 to the edge on the opposite side of the mounting disc 41, which can maximize the number of spray holes, thereby further expanding the coverage range of the medicine.

[0049] Furthermore, since the ultrasonic probe 421 capable of radiating ultrasonic waves downward is installed on the mounting disc 41, in order to make the sprayed medicine completely located within the ultrasonic field, the spraying pipe 53 is arranged parallel to the mounting disc 41 and is located below the mounting disc 41. In this way, the energy of the ultrasonic waves can be maximally utilized to promote the uniform dispersion of the medicine and also promote the mixing efficiency of the medicine and the waste sewage, thereby improving the treatment effect.

[0050] Reference Figure 1 and Figure 2 , in an embodiment of the present disclosure, spray holes are provided on the pipe body of the spraying pipe 53. The spray holes are located below and / or on both sides of the pipe body, and the medicine is configured to be sprayed out through the spray holes.

[0051] Specifically, by providing spray holes below and / or on both sides of the spraying pipe 53, the medicine can be sprayed out simultaneously from multiple directions, which not only expands the coverage range of the medicine but also increases the amount of medicine sprayed per unit time, thereby improving the spraying efficiency.

[0052] Reference Figure 1 and Figure 2 , in an embodiment of the present disclosure, the medicine adding device is provided with a medicine adding pump, and the medicine adding pump is configured to provide pressure for the medicine so that after the medicine flows into the spraying pipe 53, it is sprayed out radially through the spray holes.

[0053] Specifically, providing a medicine adding pump on the medicine adding device can provide power for the medicine to ensure that the medicine can enter the spraying pipe 53 with a relatively high pressure and speed and is evenly sprayed out radially from the spray holes. This design greatly improves the coverage area and spraying efficiency of the medicine during the spraying process. Without the power provided by the medicine adding pump, relying only on the natural gravity of the medicine or a low-pressure source to push the fluid flow may result in uneven spraying or failure to reach the expected target area.

[0054] Reference Figure 1 and Figure 2, in an embodiment of the present disclosure, it further includes a protective cover 6, the protective cover 6 is fixedly connected to the suspension rod 2, and is configured to be sleeved outside the rotary drive device 3.

[0055] Specifically, fixedly connecting the protective cover 6 to the suspension rod 2 can enable the protective cover 6 to be stably sleeved outside the rotary drive device 3 when the rotary drive device 3 is working, preventing the protective cover 6 from being displaced due to the vibration of the rotary drive device 3, thereby effectively improving the overall stability of the device. In addition, the protective cover 6 provides an effective physical barrier for the rotary drive device 3, which can effectively reduce the possibility of dust and other particulate matters and other pollutants entering the interior of the rotary drive device 3, thereby prolonging the service life of the rotary drive device 3 and reducing problems such as failures or performance degradation caused by environmental factors.

[0056] In practical applications, the device is fixed inside the target structure through the mounting bracket 1. During operation, the rotary drive device 3 is started to drive the mounting plate 41 to rotate reciprocally. The ultrasonic probe 421 on the mounting plate 41 emits ultrasonic waves downward, forming an ultrasonic field through rotation; the chemical dosing pump is started to make the chemical agent spray radially from the spray nozzles on the chemical spraying pipe 53 under the push of pressure. Since the chemical spraying device 5 rotates together with the mounting plate 41, under the action of ultrasonic waves, the chemical agent is evenly sprayed into the wastewater to be treated, thereby effectively improving the dispersion efficiency of the chemical agent, enhancing the diffusion effect of the chemical agent in the wastewater, and improving the treatment effect of the wastewater.

[0057] The chemical dosing device provided by the present disclosure utilizes the micro-jet and vibration effects of the ultrasonic assistance device to effectively improve the dispersion efficiency of the chemical agent and enhance the diffusion effect of the chemical agent in the wastewater when the chemical spraying device sprays the chemical agent into the wastewater, thereby improving the treatment effect of the wastewater.

[0058] The above has described the embodiments of the present disclosure. The above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and variations are obvious to those of ordinary skill in the art in the technical field without departing from the scope and spirit of the described embodiments. The selection of the terms used herein is intended to best explain the principles of the embodiments, practical applications, or improvements to the technology in the market, or to enable other ordinary skill in the art in the technical field to understand the disclosed embodiments. The scope of the present disclosure is defined by the appended claims.

Claims

1. A chemical dosing device, characterized in that, Comprising: An installation bracket (1), the installation bracket (1) being configured to be fixedly installed inside a target structure; A rotary drive device (3), the rotary drive device (3) being fixedly connected to the installation bracket (1) through a suspension rod (2); An ultrasonic assistance device (4), the ultrasonic assistance device (4) including an installation disk (41) and an ultrasonic generation unit (42), the ultrasonic generation unit (42) being arranged on the installation disk (41); wherein, the installation disk (41) is configured to be fixedly connected to the rotary drive device (3), and the rotary drive device (3) is configured to drive the installation disk (41) to reciprocally rotate by a predetermined angle; A medicine spraying device (5), the medicine spraying device (5) including a rotary joint (51), a medicine inlet pipe (52), and a medicine spraying pipe (53), the medicine inlet pipe (52) being configured to be connected to the installation disk (41) and being configured to extend from the edge of the installation disk (41) to the central axis of the installation disk (41); one end of the medicine inlet pipe (52) located on the rotation axis of the installation disk (41) is configured to communicate with a medicine adding device through the rotary joint (51), and the other end is configured to extend towards the edge of the installation disk (41) and penetrate to the lower end of the installation disk (41) to communicate with the medicine spraying pipe (53) located at the lower end of the installation disk (41).

2. The medicament dosing device according to claim 1, characterized in that, The ultrasonic generation unit (42) includes multiple groups of ultrasonic probes (421), each group of the ultrasonic probes (421) being configured to be spaced along the diameter direction of the installation disk (41), and the ultrasonic probes (421) being configured to radiate ultrasonic waves downwards.

3. The chemical agent dosing device according to claim 1, characterized in that, The rotary drive device (3) is configured such that the predetermined angle during reciprocal rotation is less than 360°.

4. The medicament dosing device according to claim 1, characterized in that, The medicine inlet pipe (52) includes a first part (521), a second part (522), and a third part (523) that are sequentially communicated; wherein the first part (521) is configured to penetrate the edge of the installation disk (41) and communicate with the medicine spraying pipe (53); the second part (522) is configured to extend from the position communicating with the first part (521) along a direction parallel to the installation disk (41) to the position of the rotation axis of the installation disk (41); the third part (523) is configured to extend upwards along the rotation axis of the installation disk (41) from the position communicating with the second part (522) to be connected to the medicine adding device.

5. The chemical agent dosing device according to claim 4, wherein The medicine adding device includes a connecting pipe, the connecting pipe being located on the central axis of the installation disk (41) and being configured to be connected to the upper end of the third part (523) through the rotary joint (51).

6. The chemical agent dosing device according to claim 4, wherein A plurality of the medicine inlet pipes (52) are provided, and the plurality of the medicine inlet pipes (52) are distributed in the circumferential direction of the installation disk (41), and the number of the medicine spraying pipes (53) corresponds to the number of the medicine inlet pipes (52); wherein, the plurality of the medicine inlet pipes (52) are configured to have a common third part (523).

7. The chemical agent dosing device according to claim 1, wherein The spraying pipe (53) is configured such that one end thereof communicates with the medicine inlet pipe (52), and the other end extends along the diameter direction of the mounting disc (41) to the edge on the opposite side of the mounting disc (41), and then extends upward to be fixedly connected to the mounting disc (41), and the spraying pipe (53) is arranged parallel to the mounting disc (41).

8. The chemical agent dosing device according to claim 7, characterized in that, Spray holes are provided on the pipe body of the spraying pipe (53), and the spray holes are located below and / or on both sides of the pipe body, and the medicine is configured to be sprayed out through the spray holes.

9. The chemical agent dosing device according to claim 8, characterized in that, The medicine adding device is provided with a medicine adding pump, and the medicine adding pump is configured to provide pressure for the medicine so that after the medicine flows into the spraying pipe (53), it is sprayed out radially through the spray holes.

10. The chemical dosing device according to claim 1, characterized in that, It further includes a protective cover (6), and the protective cover (6) is fixedly connected to the suspension rod (2) and is configured to be sleeved outside the rotary drive device (3).

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