Automatic dosing monitoring and control device for crystallization fluidized bed

By integrating monitoring and drive units, the problems of lag in dosage adjustment and equipment failure in crystallization fluidized beds have been solved, achieving intelligent and precise control and long-term stable operation, thereby improving reaction efficiency and equipment reliability.

CN224677811UActive Publication Date: 2026-08-25NANJING QIWO ECOLOGICAL TECH CO LTD
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Patent Information

Application Number
CN202521027429.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-23
Publication Date
2026-08-25
Estimated Expiration
2035-05-23

AI Technical Summary

Technical Problem

Existing automatic dosing monitoring and control devices for crystallizing fluidized beds lack linkage analysis of comprehensive parameters such as effluent hardness and turbidity, resulting in delayed or excessive dosing adjustments, making it difficult to achieve precise control. After dosing, local concentrations may be too high or sedimentation may occur. Metering pumps and pipelines are prone to blockage, and insufficient motor heat dissipation design may easily lead to equipment failure.

Method used

The system employs an integrated monitoring unit and a drive unit. The monitoring unit uses hardness, turbidity, and pH sensors to provide feedback and adjust the dosage. The drive unit is equipped with a stepper motor that drives the metering pump and a heat dissipation component, enabling intelligent and precise control and dynamic response to prevent temperature rise.

Benefits of technology

It achieves precise dosing and efficient control of the crystallization fluidized bed, ensuring long-term stable operation of the system, avoiding reagent sedimentation and equipment failure, and improving reaction efficiency and reliability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a kind of crystallization fluidized bed automatic dosing monitoring and control device, comprising: fluidized bed main body;Monitoring unit, monitoring unit is used to adjust according to the feedback dosing amount of crystallization fluidized bed water hardness, turbidity, to realize intelligent fine automatic dosing;Driving unit, driving unit is used to adjust output power according to the real-time change of water quality parameter, while heat dissipation design can inhibit temperature rise, guarantee the reliability of long-term continuous operation, the utility model is fixed by mounting support integrated sensor fixing seat, dosing execution component and stirring component by monitoring unit, realize medicine mixing using stirring rod, and based on water hardness, turbidity, pH value feedback regulation dosing amount, complete intelligent control;Driving unit is driven by stepper motor metering pump, temperature rise is inhibited by heat dissipation component, dynamic response water quality change, ensure that system long-term stable operation, each unit cooperates and realizes the accurate dosing of crystallization fluidized bed and high-efficiency regulation and control.
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Description

Technical Field

[0001] This utility model relates to the field of fluidized bed technology, and in particular to an automatic dosing monitoring and control device for crystallization fluidized beds. Background Technology

[0002] Automatic dosing monitoring and control devices for fluidized bed crystallization are mainly used in chemical engineering, environmental protection, and industrial water treatment, especially in crystallization processes, where they are used to automatically monitor and adjust the pH value of the solution to ensure the stability and efficiency of the crystallization reaction.

[0003] Existing automatic monitoring and control devices for crystallizing fluidized beds often use a single pH sensor for monitoring, lacking linkage analysis of comprehensive parameters such as effluent hardness and turbidity. This leads to delayed or excessive dosing, making it difficult to achieve precise control. Furthermore, the lack of a dynamic stirring mechanism after dosing can easily result in excessively high local concentrations or reagent sedimentation, affecting reaction efficiency. In addition, during long-term operation, metering pumps and pipelines are prone to blockage due to reagent crystallization and adhesion, and the insufficient heat dissipation design of the motor makes it easy for equipment failures to occur in high-temperature environments. Utility Model Content

[0004] The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be construed as limiting the scope of the present invention.

[0005] In view of the problems existing in the current automatic dosing monitoring and control device for crystallization fluidized beds, this utility model is proposed.

[0006] Therefore, the purpose of this utility model is to provide an automatic dosing monitoring and control device for crystallizing fluidized beds. It aims to solve the problems that "in use, a single pH sensor is often used for monitoring, which lacks linkage analysis of comprehensive parameters such as hardness and turbidity of the effluent, resulting in delayed or excessive dosing adjustment, making it difficult to achieve fine control. Furthermore, the lack of a dynamic stirring mechanism after the dosing of the agent easily leads to excessively high local concentrations or agent sedimentation, affecting the reaction efficiency. In addition, during long-term operation, the metering pump and pipeline are prone to blockage due to agent crystallization and adhesion, and the insufficient heat dissipation design of the motor makes it easy for equipment failure to occur in high-temperature environments."

[0007] To solve the above-mentioned technical problems, this utility model provides the following technical solution: an automatic dosing monitoring and control device for a crystallization fluidized bed, comprising:

[0008] Fluidized bed body;

[0009] The monitoring unit is used to adjust the dosage based on feedback from the hardness, turbidity, and pH of the effluent from the crystallization fluidized bed, thereby achieving intelligent, precise, and automated dosing.

[0010] The drive unit is used to quickly adjust the output power according to the real-time changes in water quality parameters, and the heat dissipation design can suppress temperature rise and ensure the reliability of long-term continuous operation.

[0011] As a preferred embodiment of the automatic dosing monitoring and control device for a crystallizing fluidized bed according to the present invention, the monitoring unit includes a mounting bracket fixedly mounted on the fluidized bed body, a dosing execution component mounted on the mounting bracket, a sensor mounting base mounted on the mounting bracket, a cover plate mounted on the mounting bracket, a stirring component mounted on the cover plate, a stirring rod mounted on the stirring component, and an installation groove formed inside the cover plate.

[0012] In a preferred embodiment of the automatic dosing monitoring and control device for a crystallizing fluidized bed described in this utility model, the driving unit includes a stepper motor fixedly mounted on the mounting bracket, a metering pump mounted on the stepper motor, and a heat dissipation component mounted on the stepper motor.

[0013] As a preferred embodiment of the automatic dosing monitoring and control device for a crystallizing fluidized bed described in this utility model, the dosing execution component includes a storage cylinder installed on the mounting bracket, a guide groove is provided on the mounting bracket, a drug delivery pipeline is provided on the guide groove, and fasteners are fixedly provided on the mounting bracket.

[0014] As a preferred embodiment of the automatic dosing monitoring and control device for a crystallizing fluidized bed described in this utility model, the stirring component includes a starting motor fixedly mounted on the cover plate, a starting bevel gear fixedly mounted at the output end of the starting motor, a connecting rod rotatably mounted inside the cover plate, a connecting bevel gear fixedly mounted at one end of the connecting rod, a transmission bevel gear fixedly mounted at the other end of the connecting rod, and a rotating bevel gear rotatably mounted inside the cover plate.

[0015] As a preferred embodiment of the automatic dosing monitoring and control device for a crystallizing fluidized bed described in this utility model, the sensor mounting base is provided with a hardness sensor, a pH sensor and a turbidity sensor embedded in the fluidized bed outlet pipe.

[0016] In a preferred embodiment of the automatic dosing monitoring and control device for a crystallizing fluidized bed described in this utility model, the heat dissipation component includes a heat dissipation housing disposed on the stepper motor, heat dissipation fins disposed inside the heat dissipation housing, and an axial flow fan disposed outside the heat dissipation housing.

[0017] As a preferred embodiment of the automatic dosing monitoring and control device for a crystallizing fluidized bed described in this utility model, the probe ends of the hardness sensor, pH sensor and turbidity sensor are provided with anti-erosion sleeves, the end of the drug delivery pipeline is provided with an anti-crystallization nozzle, and the inner wall of the nozzle is coated with an anti-adhesion coating.

[0018] The beneficial effects of this utility model are:

[0019] The monitoring unit integrates sensor mounting bases, dosing actuators, and stirring components through a mounting bracket. It uses a stirring rod to mix the chemicals and adjusts the dosage based on feedback from the hardness, turbidity, and pH of the effluent, thus achieving intelligent control. The drive unit is driven by a stepper motor to power a metering pump. It suppresses temperature rise through a heat dissipation component and dynamically responds to changes in water quality to ensure long-term stable operation of the system. All units work together to achieve precise dosing and efficient regulation of the crystallization fluidized bed. Attached Figure Description

[0020] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:

[0021] Figure 1 This is a frontal schematic diagram of the overall structure of an automatic dosing monitoring and control device for a crystallization fluidized bed proposed in this utility model;

[0022] Figure 2 A schematic diagram of the structure of the drug delivery system;

[0023] Figure 3 This is a schematic diagram of the cross-sectional structure of the cover plate;

[0024] Figure 4 This is a schematic diagram of the drive unit structure.

[0025] In the diagram: 100, fluidized bed body; 200, monitoring unit; 201, mounting bracket; 202, dosing execution component; 202a, guide groove; 202b, drug delivery pipeline; 202c, fastener; 202d, drug storage cylinder; 203, sensor mounting base; 204, stirring component; 204a, starter motor; 204b, starter bevel gear; 204c, connecting rod; 204d, connecting bevel gear; 204e, transmission bevel gear; 204f, rotating bevel gear; 205, mounting groove; 206, stirring rod; 207, cover plate; 300, drive unit; 301, stepper motor; 302, metering pump; 303, heat dissipation assembly; 303a, heat dissipation shell; 303b, axial flow fan. Detailed Implementation

[0026] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0027] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0028] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments.

[0029] Secondly, this utility model is described in detail with reference to the schematic diagrams. When describing the embodiments of this utility model, for ease of explanation, the cross-sectional views illustrating the device structure may be partially enlarged, not adhering to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of this utility model. In addition, actual manufacturing should include the three-dimensional spatial dimensions of length, width, and depth.

[0030] Example 1

[0031] Reference Figures 1 to 3 This is the first embodiment of the present utility model. This embodiment provides an automatic dosing monitoring and control device for a crystallization fluidized bed, which can achieve the following: it includes a fluidized bed body 100.

[0032] The monitoring unit 200 includes a mounting bracket 201 fixedly mounted on the fluidized bed body 100, a dosing execution component 202 mounted on the mounting bracket 201, a sensor mounting base 203 mounted on the mounting bracket 201, a cover plate 207 mounted on the mounting bracket 201, a stirring component 204 mounted on the cover plate 207, a stirring rod 206 mounted on the stirring component 204, and an installation groove 205 opened in the cover plate 207. The monitoring unit 200 is used to adjust the dosing amount based on the hardness, turbidity, and pH feedback of the effluent from the crystallizing fluidized bed, thereby realizing intelligent, precise, and automated dosing.

[0033] The drive unit 300 includes a stepper motor 301 fixedly mounted on the mounting bracket 201, a metering pump 302 mounted on the stepper motor 301, and a heat dissipation component 303 mounted on the stepper motor 301. The drive unit 300 is used to quickly adjust the output power according to the real-time changes in water quality parameters. At the same time, the heat dissipation design can suppress the temperature rise and ensure the reliability of long-term continuous operation.

[0034] The monitoring unit 200 integrates a sensor mounting base 203, a dosing execution component 202, and a stirring component 204 through a mounting bracket 201. It uses a stirring rod 206 to mix the chemicals and adjusts the dosage based on feedback from the hardness, turbidity, and pH value of the effluent to achieve intelligent control. The drive unit 300 drives a metering pump 302 through a stepper motor 301 and suppresses temperature rise through a heat dissipation component 303. It dynamically responds to changes in water quality to ensure long-term stable operation of the system. All units work together to achieve precise dosing and efficient control of the crystallization fluidized bed.

[0035] Example 2

[0036] Reference Figures 1 to 4 This is the second embodiment of the present invention. Unlike the previous embodiment, the dosing execution component 202 includes a drug storage cylinder 202d mounted on a mounting bracket 201. A guide groove 202a is provided on the mounting bracket 201, and a drug delivery pipeline 202b is provided on the guide groove 202a. Fasteners 202c are fixedly provided on the mounting bracket 201. A hardness sensor, a pH sensor, and a turbidity sensor are provided on the sensor mounting base 203 and embedded in the fluidized bed outlet pipe. The probe ends of the hardness sensor, pH sensor, and turbidity sensor are provided with anti-erosion sleeves. An anti-crystallization nozzle is provided at the end of the drug delivery pipeline 202b, and the inner wall of the nozzle is coated with an anti-adhesion coating.

[0037] The drug storage cylinder 202d is fixed on the mounting bracket 201, ensuring that it is aligned with the fluidized bed body 100. A guide groove 202a is opened on the mounting bracket 201 for the directional layout of the drug delivery pipeline 202b. The drug delivery pipeline 202b is laid along the guide groove 202a, and the end is connected to an anti-crystallization nozzle. The inner wall of the nozzle is coated with an anti-adhesion coating such as polytetrafluoroethylene. The pipeline is fixed with fasteners 202c to prevent vibration and displacement. At the same time, a hardness sensor, a pH sensor, and a turbidity sensor are installed on the sensor mounting base 203. The probes are embedded in the detection port of the fluidized bed outlet pipe. The end of the sensor probe is fitted with an anti-erosion sleeve made of 316L stainless steel and fixed by a threaded connection. The guide hole design reduces water flow impact.

[0038] The stirring component 204 includes a starter motor 204a fixedly mounted on a cover plate 207. A starter bevel gear 204b is fixedly mounted at the output end of the starter motor 204a. A connecting rod 204c is rotatably mounted inside the cover plate 207. A connecting bevel gear 204d is fixedly mounted at one end of the connecting rod 204c, and a transmission bevel gear 204e is fixedly mounted at the other end of the connecting rod 204c. A rotating bevel gear 204f is rotatably mounted inside the cover plate 207. The starter bevel gear 204b meshes with the connecting bevel gear 204d, and the transmission bevel gear 204e meshes with the rotating bevel gear 204f.

[0039] The starter motor 204a is fixed on the cover plate 207, and the starter bevel gear 204b is installed at the output end. The connecting rod 204c is installed inside the cover plate 207. When the starter motor 204a is turned on, the output end of the starter motor 204a drives the starter bevel gear 204b to rotate. Then, under the action of the connecting rod 204c and the connecting bevel gear 204d, the transmission bevel gear 204e is driven to rotate. Then, the rotating bevel gear 204f drives the stirring rod 206 to rotate, thereby stirring the medicine liquid in the medicine storage cylinder 202d.

[0040] The heat dissipation assembly 303 includes a heat dissipation housing 303a disposed on the stepper motor 301. The heat dissipation housing 303a has heat dissipation fins inside and an axial fan 303b disposed outside the heat dissipation housing 303a. The heat dissipation fins and the axial fan 303b form a dual heat dissipation system, which can quickly control the temperature of the stepper motor 301.

[0041] A heat sink 303a is installed on the outside of the stepper motor 301, and aluminum heat sink fins are embedded inside it. The heat sink fins are in contact with the surface of the motor. An axial fan 303b is installed on the outside of the heat sink 303a. The fan speed is adjusted by a temperature control circuit such as a PWM signal to form a dual heat dissipation of forced air cooling and natural convection.

[0042] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. An automatic dosing monitoring and control device for a crystallizing fluidized bed, characterized in that: include: Fluidized bed body (100); The monitoring unit (200) is used to adjust the dosage based on the hardness, turbidity, and pH of the effluent from the crystallization fluidized bed, thereby achieving intelligent, precise, and automated dosing. The monitoring unit (200) includes a mounting bracket (201) fixedly installed on the fluidized bed body (100); The drive unit (300) is used to quickly adjust the output power according to the real-time changes in water quality parameters. At the same time, the heat dissipation design can suppress the temperature rise and ensure the reliability of long-term continuous operation. The drive unit (300) includes a stepper motor (301) fixedly mounted on the mounting bracket (201), a metering pump (302) mounted on the stepper motor (301), and a heat dissipation assembly (303) mounted on the stepper motor (301).

2. The automatic dosing monitoring and control device for a crystallizing fluidized bed according to claim 1, characterized in that: The mounting bracket (201) is provided with a dosing execution component (202), the mounting bracket (201) is provided with a sensor fixing seat (203), the mounting bracket (201) is provided with a cover plate (207), the cover plate (207) is provided with a stirring component (204), the stirring component (204) is provided with a stirring rod (206), and the cover plate (207) is provided with an installation groove (205).

3. The automatic dosing monitoring and control device for a crystallizing fluidized bed according to claim 2, characterized in that: The dosing execution component (202) includes a drug storage cylinder (202d) installed on the mounting bracket (201), a guide groove (202a) is provided on the mounting bracket (201), a drug delivery pipeline (202b) is provided on the guide groove (202a), and a fastener (202c) is fixedly provided on the mounting bracket (201).

4. The automatic dosing monitoring and control device for a crystallizing fluidized bed according to claim 2, characterized in that: The stirring component (204) includes a starter motor (204a) fixedly mounted on the cover plate (207), a starter bevel gear (204b) fixedly mounted at the output end of the starter motor (204a), a connecting rod (204c) rotatably mounted inside the cover plate (207), a connecting bevel gear (204d) fixedly mounted at one end of the connecting rod (204c), a transmission bevel gear (204e) fixedly mounted at the other end of the connecting rod (204c), and a rotating bevel gear (204f) rotatably mounted inside the cover plate (207).

5. The automatic dosing monitoring and control device for a crystallizing fluidized bed according to claim 3, characterized in that: The sensor mounting base (203) is equipped with a hardness sensor, a pH sensor and a turbidity sensor embedded in the fluidized bed outlet pipe.

6. The automatic dosing monitoring and control device for a crystallizing fluidized bed according to claim 1, characterized in that: The heat dissipation assembly (303) includes a heat dissipation housing (303a) disposed on the stepper motor (301), the heat dissipation housing (303a) having heat dissipation fins inside, and an axial flow fan (303b) disposed outside the heat dissipation housing (303a).

7. The automatic dosing monitoring and control device for a crystallizing fluidized bed according to claim 5, characterized in that: The probe ends of the hardness sensor, pH sensor and turbidity sensor are provided with anti-erosion sleeves, and the end of the drug delivery pipeline (202b) is provided with an anti-crystallization nozzle, the inner wall of the nozzle is coated with an anti-adhesion coating.