Chemical dosing device for thermal power plant
The chemical dosing device in thermal power plants addresses the inefficiency of pre-mixing by integrating a stirrer and guide plates to achieve uniform mixing during the dosing process, improving efficiency.
Patent Information
- Application Number
- CN202420354948.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-26
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-02-26
AI Technical Summary
Existing chemical dosing devices in thermal power plants fail to mix drugs during the dosing process, requiring pre-mixing which reduces efficiency.
A chemical dosing device with a stirrer, guide plates, and distribution pipes that mix drugs during the dosing process, ensuring even distribution and high efficiency.
Enables uniform mixing of chemicals during dosing, enhancing efficiency and practicality by avoiding pre-mixing requirements.
Smart Images
Figure CN222131678U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of chemical treatment equipment for thermal power plants and relates to a chemical dosing device for thermal power plants. Background Art
[0002] A thermal power plant, also known as a thermal power plant, is a factory that uses combustibles as fuel to produce electricity. Its basic production process is: when the fuel burns, it heats water to generate steam, converting the chemical energy of the fuel into thermal energy. The steam pressure drives the turbine to rotate, converting the thermal energy into mechanical energy. The turbine then drives the generator to rotate, converting the mechanical energy into electrical energy.
[0003] The existing chemical dosing devices used in thermal power plants cannot mix the drugs during the dosing process and need to mix and prepare the drugs in advance, which reduces the dosing efficiency. Utility Model Content
[0004] The utility model aims to overcome the disadvantages of the prior art and provides a chemical dosing device for a thermal power plant, which can mix drugs during the dosing process and has a high dosing efficiency.
[0005] To achieve the above-mentioned purpose, the utility model discloses a chemical dosing device for a thermal power plant, comprising a dosing box, a stirrer, a stirrer pipe, a plurality of guide plates and a plurality of distribution pipes, a dosing port is provided at the bottom of the dosing box, a plurality of dosing ports are evenly spaced at the top of the dosing box, and the stirrer is installed in the dosing box;
[0006] The mixing tube is vertically arranged, and the upper end of the mixing tube is connected to the medicine outlet; each guide plate is evenly spaced and tiltedly installed in the mixing tube from top to bottom;
[0007] Each distribution pipe is vertically installed below the stirring pipe, the upper end of each distribution pipe is connected with the lower end of the stirring pipe respectively, and the lower end of each distribution pipe is open.
[0008] The stirrer comprises a stirring shaft and a plurality of stirring plates, wherein the stirring shaft passes through the medicine adding box horizontally, and the stirring plates are evenly spaced and installed on the stirring shaft along the circumference of the stirring shaft, and each stirring plate is located in the medicine adding box.
[0009] The number of the stirring plates is four and they are distributed in a cross shape.
[0010] A plurality of through holes are evenly distributed on the stirring plate.
[0011] A plurality of stirring rods are evenly spaced and connected to both sides of the stirring plate, and the stirring plate is perpendicular to the stirring rods thereon.
[0012] The utility model also comprises a crank which is connected with the end of the stirring shaft.
[0013] The medicine adding box is in a cylindrical structure, and the axis of the stirring shaft is parallel to the axis of the medicine adding box; the end of the stirring plate away from the stirring shaft is close to the inner wall of the medicine adding box.
[0014] All the guide plates are alternately distributed on both sides of the stirring tube.
[0015] The diameter of each distribution pipe is smaller than the diameter of the stirring pipe.
[0016] The stirring plate and / or the guide plate are / is a rectangular plate.
[0017] The utility model has the following beneficial effects:
[0018] During specific operation, the chemical dosing device for thermal power plants described in the utility model adds medicine through the dosing port. After the medicine enters the dosing box, it is evenly stirred by the stirrer under the action of the gravity of the medicine. The medicine in the dosing box falls into the stirring pipe and is further evenly stirred by each guide plate to ensure the effect of evenly stirring the medicine. Then, the evenly stirred medicine falls into the chemical water treatment equipment through each distribution pipe, thereby achieving mixing of the medicine during the dosing process, with high dosing efficiency and strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0020] Figure 2 It is a schematic diagram of the internal structure of the utility model.
[0021] Figure 3 This is a schematic diagram of the internal structure of the medicine adding box of the utility model;
[0022] Figure 4 It is a schematic diagram of the structure of the stirring tube and the distribution tube in the utility model.
[0023] Among them, 1 is a dosing box, 2 is a dosing port, 3 is a stirring shaft, 4 is a stirring plate, 5 is a through hole, 6 is a stirring rod, 7 is a crank, 8 is a stirring tube, 9 is a guide plate, and 10 is a distribution tube. DETAILED DESCRIPTION
[0024] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only an embodiment of a part of the utility model, not all embodiments, and is not intended to limit the scope of the disclosure of the utility model. In addition, in the following description, the description of known structures and technologies is omitted to avoid unnecessary confusion of the concepts disclosed in the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work should fall within the scope of protection of the utility model.
[0025] The accompanying drawings show schematic diagrams of structures according to the disclosed embodiments of the utility model. These figures are not drawn to scale, and some details are magnified and some details may be omitted for the purpose of clear expression. The shapes of various regions and layers shown in the figures and the relative sizes and positional relationships therebetween are only exemplary, and may deviate in practice due to manufacturing tolerances or technical limitations, and those skilled in the art may design regions / layers with different shapes, sizes, and relative positions according to actual needs.
[0026] Example 1
[0027] like Figures 1 to 4 As shown, this embodiment provides a chemical dosing device for a thermal power plant, including a dosing box 1 and a stirrer. The bottom of the dosing box 1 is provided with a drug outlet, and the top of the dosing box 1 is evenly spaced with a plurality of dosing ports 2; the stirrer is installed in the dosing box 1 and is used to stir the agent delivered from the dosing port 2.
[0028] During the dosing process, the entire device can be installed outside the chemical water treatment equipment or on the top of the chemical water treatment equipment; the drug is added through one or more dosing ports 2. After the drug enters the dosing box 1, the stirrer stirs the drug evenly for subsequent chemical water treatment. The stirring is achieved during the dosing process without the need for prior stirring, which is highly efficient.
[0029] The above-mentioned drug adding port 2 may also be provided with one or more.
[0030] This embodiment has a simple structure and a reasonable design, and can achieve uniform mixing of the medicine during the dosing process and evenly deliver it to the processing equipment to facilitate subsequent processing.
[0031] In this embodiment, the stirrer includes a stirring shaft 3 and a plurality of stirring plates 4. The stirring shaft 3 horizontally passes through the dosing box 1. The stirring plates 4 are fixedly installed on the stirring shaft 3 at uniform intervals along the circumference of the stirring shaft 3. The stirring plates 4 are located in the dosing box 1. Preferably, the number of the stirring plates 4 is four and they are distributed in a cross shape.
[0032] During the dosing process, the medicine is added through the dosing port 2. After the medicine enters the dosing box 1, the gravity of the medicine causes each stirring plate 4 to rotate around the stirring axis 3 to stir the medicine evenly for subsequent chemical water treatment. The stirring is achieved during the dosing process without the need for prior stirring, which is highly efficient.
[0033] In this embodiment, a plurality of through holes 5 are evenly spaced and distributed on the stirring plate 4, so as to further stir the medicine.
[0034] In this embodiment, a plurality of stirring rods 6 are evenly spaced and fixedly connected to both sides of the stirring plate 4. The stirring plate 4 is perpendicular to the stirring rods 6 thereon, and the medicine can be further stirred.
[0035] In this embodiment, a crank 7 is also included, and the crank 7 is connected to the end of the stirring shaft 3.
[0036] During the dosing process, the stirring shaft 3 and the stirring plate 4 can be rotated by rotating the crank 7 regularly to avoid the phenomenon of stagnation caused by the accumulation of medicine.
[0037] In this embodiment, the medicine adding box 1 is of cylindrical structure, the axis of the stirring shaft 3 is parallel to the axis of the medicine adding box 1 ; the end of the stirring plate 4 away from the stirring shaft 3 is close to the inner wall of the medicine adding box 1 .
[0038] In this embodiment, it also includes a stirring tube 8 and a plurality of guide plates 9. The stirring tube 8 is vertically arranged, and the upper end of the stirring tube 8 is connected to the medicine outlet; each of the guide plates 9 is evenly spaced and tilted and fixedly installed in the stirring tube 8 from top to bottom.
[0039] In this embodiment, all the guide plates 9 are staggeredly distributed on both sides of the stirring tube 8, and the medicine in the medicine adding box 1 falls into the stirring tube 8 and is further stirred by each guide plate 9 to ensure the effect of stirring the medicine.
[0040] In this embodiment, a plurality of distribution pipes 10 are further included, each of which is vertically installed below the stirring tube 8. The upper end of each distribution pipe 10 is respectively connected to the lower end of the stirring tube 8, and the lower end of each distribution pipe 10 is open. The mixed medicine can be evenly delivered to the processing equipment through each distribution pipe 10. The diameter of each distribution pipe 10 is smaller than the diameter of the stirring tube 8.
[0041] In this embodiment, the stirring plate 4 and / or the plurality of guide plates 9 are respectively rectangular plates.
[0042] The working principle of the utility model is:
[0043] During the dosing process, the medicine is added through the dosing port 2. After the medicine enters the dosing box 1, the medicine gravity causes the stirring plates 4 to rotate around the stirring shaft 3, and the medicine is stirred evenly under the action of the through holes 5 and the stirring rods 6.
[0044] The medicine in the medicine adding box 1 falls into the stirring tube 8 and is further stirred by the guide plates 9 to ensure the effect of stirring the medicine evenly.
[0045] The mixed reagents fall into the chemical water treatment equipment through the distribution pipes 10.
[0046] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model is described in detail with reference to the above embodiments, ordinary technicians in the relevant field should understand that the specific implementation methods of the utility model can still be modified or replaced by equivalents, and any modification or equivalent replacement that does not depart from the spirit and scope of the utility model should be included in the scope of protection of the claims of the utility model.
Claims
1. A chemical dosing device for a thermal power plant, characterized in that: It comprises a medicine adding box (1), a stirrer, a stirring tube (8), a plurality of guide plates (9) and a plurality of distribution tubes (10), wherein the bottom of the medicine adding box (1) is provided with a medicine outlet, the top of the medicine adding box (1) is provided with a plurality of medicine adding ports (2) at even intervals, and the stirrer is installed in the medicine adding box (1); The mixing tube (8) is arranged vertically, and the upper end of the mixing tube (8) is connected to the medicine outlet; each guide plate (9) is evenly spaced and tiltedly installed in the mixing tube (8) from top to bottom; Each distribution pipe (10) is vertically installed below the stirring pipe (8), the upper end of each distribution pipe (10) is respectively connected to the lower end of the stirring pipe (8), and the lower end of each distribution pipe (10) is open.
2. The chemical dosing device for thermal power plants according to claim 1, characterized in that: The stirrer comprises a stirring shaft (3) and a plurality of stirring plates (4); the stirring shaft (3) passes horizontally through the medicine adding box (1); the stirring plates (4) are evenly spaced and installed on the stirring shaft (3) along the circumference of the stirring shaft (3); and the stirring plates (4) are located in the medicine adding box (1).
3. The chemical dosing device for thermal power plants according to claim 2, characterized in that: The number of the stirring plates (4) is four and they are distributed in a cross shape.
4. The chemical dosing device for thermal power plants according to claim 2, characterized in that: A plurality of through holes (5) are evenly spaced and distributed on the stirring plate (4).
5. The chemical dosing device for thermal power plants according to claim 2, characterized in that: A plurality of stirring rods (6) are evenly spaced and connected to both sides of the stirring plate (4), and the stirring plate (4) is perpendicular to the stirring rods (6) thereon.
6. The chemical dosing device for thermal power plants according to claim 2, characterized in that: The invention also comprises a crank (7), which is connected to the end of the stirring shaft (3).
7. The chemical dosing device for thermal power plants according to claim 2, characterized in that: The medicine adding box (1) is of cylindrical structure, the axis of the stirring shaft (3) is parallel to the axis of the medicine adding box (1); the end of the stirring plate (4) away from the stirring shaft (3) is close to the inner wall of the medicine adding box (1).
8. The chemical dosing device for a thermal power plant according to claim 1, characterized in that: All the guide plates (9) are alternately distributed on both sides of the stirring tube (8) in sequence.
9. The chemical dosing device for a thermal power plant according to claim 1, characterized in that: The diameter of each distribution pipe (10) is smaller than the diameter of the stirring pipe (8).
10. The chemical dosing device for a thermal power plant according to claim 2, characterized in that: The stirring plate (4) and / or the guide plate (9) are respectively rectangular plates.