Thermal power plant high-sulfur coal blending combustion machine capable of avoiding stacking
By introducing spiral structures and detachable upper cover plates into the high-sulfur coal blender in the thermal power plant, the problem of inconvenience in stacking and cleaning of coal blocks is solved, and the smooth discharge of materials and the efficient use of the blender is achieved.
Patent Information
- Application Number
- CN202420756471.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-12
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2034-04-12
AI Technical Summary
In use, coal is easily stacked at the discharge port in the thermal power plant's high-sulfur coal blender, which leads to blockage and inconvenience in cleaning, affecting the combustion ratio and use efficiency.
A high sulfur coal blender is designed including a charging machine body, support legs, upper cover plate, electric telescopic rod, drive motor, rotating shaft, spiral structure and mixing rod. The charging shaft drives the spiral structure to avoid stacking. And internal cleaning and maintenance are achieved through removable upper cover plate and limiting rod.
It effectively avoids the stacking of coal blocks and the discharge port, facilitates material discharge and mixing, simplifies internal cleaning and maintenance, and improves the convenience and efficiency of the burring machine.
Smart Images
Figure CN222187001U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of blending and burning, in particular to a high-sulfur coal blending and burning machine for a thermal power plant which can avoid stacking. Background Art
[0002] Coal blending technology mixes different types of single coal in different proportions, optimizes fuel through coal quality complementarity, stabilizes the quality of coal entering the furnace, improves boiler efficiency, reduces pollutant emissions, enhances the boiler's adaptability to coal types, reduces fuel costs, and is of great significance to the optimized operation of coal-fired power plants.
[0003] However, when using the high-sulfur coal blending machine in a thermal power plant, the coal is easily stacked at the discharge port, causing the discharge port to be blocked, affecting its use, and it is inconvenient to clean the inside, resulting in inconvenience in subsequent use, affecting its blending ratio, and thus being inconvenient to use. Chinese utility model CN217737251U discloses a large thermal power plant boiler blending device, which is convenient for discharging by providing a rotating plate, making it convenient to use, but the blending device is not convenient for cleaning the inside, and thus is inconvenient to use.
[0004] Therefore, we propose a high-sulfur coal blending machine for thermal power plants that avoids stacking in order to solve the problems raised above. Utility Model Content
[0005] The purpose of the utility model is to provide a high-sulfur coal blending machine for a thermal power plant which avoids stacking, so as to solve the problem raised in the above-mentioned background technology that the coal of the high-sulfur coal blending machine for a thermal power plant is easily stacked at the discharge port during use, resulting in blockage of the discharge port, affecting its use, and it is inconvenient to clean the inside thereof, resulting in inconvenience in subsequent use, affecting its blending ratio, and thus making it inconvenient to use.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-sulfur coal blending machine for thermal power plants that avoids stacking, comprising a blending machine body, supporting legs and an upper cover plate, the lower end of the blending machine body is connected to the supporting legs, the upper end of the blending machine body is connected to the upper cover plate, and the upper end of the upper cover plate is connected to an electric telescopic rod, the upper end of the electric telescopic rod is connected to a connecting plate, a driving motor is installed on the connecting plate, the lower end of the driving motor is connected to a rotating shaft, the lower end of the rotating shaft is connected to a baffle, the lower end of the rotating shaft is connected to a spiral structure, a discharge port is provided at the lower end of the blending machine body, a stirring rod is connected to the outside of the rotating shaft, a feed port is provided at the upper end of the upper cover plate, a spring is installed inside the blending machine body, and a first limit rod is connected to the blending machine body.
[0007] Preferably, the upper cover plate is connected to the blending machine body in a detachable manner, and the upper cover plate is connected to the electric telescopic rod in a fixed manner, and the connecting plate forms a movable structure on the upper end of the upper cover plate through the electric telescopic rod.
[0008] Preferably, the rotating shaft and the baffle are connected by welding, and the rotating shaft forms a movable structure inside the blending and burning machine body, and the spiral structure is located directly below the baffle.
[0009] Preferably, the first limiting rod is connected to the blending machine body in a movable manner, and the first limiting rod forms a movable structure on the blending machine body, and there are two first limiting rods on the blending machine body.
[0010] Preferably, a second limiting rod is connected to the lower end of the upper cover plate.
[0011] Preferably, the number of the second limit rods is the same as the number of the first limit rods, and the second limit rods are connected to the blending machine body in a contact connection, and the second limit rods are connected to the first limit rods in a contact connection.
[0012] Compared with the prior art, the utility model has the following beneficial effects: the high-sulfur coal blending machine for a thermal power plant which avoids stacking;
[0013] (1) A spiral structure is provided. When discharging, the rotating shaft can be rotated to drive the spiral structure to rotate, thereby facilitating the discharging of materials and avoiding their stacking, which would cause the discharging port to be blocked and affect the discharging of materials. In addition, the coal can be stirred by the stirring shaft so that it can be evenly mixed and convenient to use.
[0014] (2) An upper cover plate is provided, and by pulling the first limit rod, the limit on the second limit rod can be released. The upper cover plate can then be disassembled, so that the interior thereof can be easily cleaned, making it convenient to use. The rotating shaft can also be maintained, and the spiral structure can be cleaned, making it convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the main structure of the utility model;
[0016] Figure 2 This is a schematic diagram of the main cross-sectional structure of the utility model;
[0017] Figure 3 This is a schematic diagram of the spiral structure and baffle structure of the utility model;
[0018] Figure 4 For this utility model Figure 2 Schematic diagram of the structure at point A in the middle.
[0019] In the figure: 1. main body of the blending machine; 2. supporting legs; 3. upper cover plate; 4. electric telescopic rod; 5. connecting plate; 6. driving motor; 7. rotating shaft; 8. baffle; 9. spiral structure; 10. discharge port; 11. stirring rod; 12. feed port; 13. spring; 14. first limit rod; 15. second limit rod. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0021] See also Figure 1-4 The utility model provides a technical solution: a high-sulfur coal blending machine for a thermal power plant to avoid stacking, comprising a blending machine body 1, a supporting leg 2, an upper cover 3, an electric telescopic rod 4, a connecting plate 5, a driving motor 6, a rotating shaft 7, a baffle 8, a spiral structure 9, a discharge port 10, a stirring rod 11, a feeding port 12, a spring 13, a first limiting rod 14 and a second limiting rod 15, the lower end of the blending machine body 1 is connected to the supporting leg 2, the upper end of the blending machine body 1 is connected to the upper cover 3, and the upper end of the upper cover 3 is connected to the An electric telescopic rod 4 is connected, the upper end of the electric telescopic rod 4 is connected to a connecting plate 5, a driving motor 6 is installed on the connecting plate 5, the lower end of the driving motor 6 is connected to a rotating shaft 7, the lower end of the rotating shaft 7 is connected to a baffle 8, the lower end of the rotating shaft 7 is connected to a spiral structure 9, a discharge port 10 is provided at the lower end of the blending machine body 1, a stirring rod 11 is connected to the outside of the rotating shaft 7, a feeding port 12 is provided at the upper end of the upper cover plate 3, a spring 13 is installed inside the blending machine body 1, and a first limit rod 14 is connected to the blending machine body 1.
[0022] The connection mode between the upper cover plate 3 and the main body 1 of the blending machine is a detachable connection. The connection mode between the upper cover plate 3 and the main body 1 of the blending machine is convenient for disassembling the upper cover plate 3, making it convenient to clean the inside thereof, thereby facilitating use. The connection mode between the upper cover plate 3 and the electric telescopic rod 4 is a fixed connection, and the connecting plate 5 forms a movable structure at the upper end of the upper cover plate 3 through the electric telescopic rod 4. The connection mode between the upper cover plate 3 and the electric telescopic rod 4 makes the connection between the upper cover plate 3 and the electric telescopic rod 4 more stable, thereby facilitating the lifting and lowering of the connecting plate 5 through the electric telescopic rod 4, making it convenient to use.
[0023] The rotating shaft 7 and the baffle 8 are connected by welding, which makes the connection between the rotating shaft 7 and the baffle 8 more stable. The rotating shaft 7 forms a movable structure inside the blending machine body 1, and the spiral structure 9 is directly below the baffle 8, so that the spiral structure 9 facilitates material unloading.
[0024] The first limit rod 14 is connected to the blending machine body 1 in a movable manner. The first limit rod 14 is connected to the blending machine body 1 in a manner that facilitates the movement of the first limit rod 14 on the blending machine body 1, and the first limit rod 14 constitutes a movable structure on the blending machine body 1, and there are two first limit rods 14 on the blending machine body 1. The number of the first limit rods 14 is designed to facilitate the installation of the upper cover plate 3, thereby facilitating use.
[0025] A second limiting rod 15 is connected to the lower end of the upper cover plate 3 .
[0026] The number of the second limiting rods 15 is the same as the number of the first limiting rods 14, and the second limiting rods 15 are connected to the blending machine body 1 in a contact connection manner, and the second limiting rods 15 are connected to the first limiting rods 14 in a contact connection manner. The number of the second limiting rods 15 is designed so that the second limiting rods 15 can be limited by the first limiting rods 14, making it convenient to install the upper cover plate 3 and thus convenient to use.
[0027] Working principle: When using the high-sulfur coal blending machine for thermal power plants to avoid stacking, first, check the integrity of the device, then transport the device to the corresponding working position, and then use it, and then feed the coal to be blended through the feed port 12, and then drive the rotating shaft 7 to rotate through the driving motor 6, so that it can stir the high-sulfur coal inside the blending machine body 1 through the stirring rod 11 to make it mixed. After the mixing is completed, the connecting plate 5 is raised through the electric telescopic rod 4, thereby driving the baffle 8 to rise, so that the coal flows into the discharge port 10, so as to discharge it. When blockage occurs, the spiral structure 9 can be driven to rotate by the rotating shaft 7, and the bottom of the rotating shaft 7 is higher, so as to prevent the coal blocks from getting stuck, making it convenient to discharge.
[0028] When it is necessary to clean the inside, the first limit rod 14 can be pulled to release the limit on the second limit rod 15, and then the upper cover plate 3 can be disassembled to facilitate cleaning of the inside. The rotating shaft 7 can also be cleaned to facilitate use. The contents not described in detail in this specification, such as the rotating shaft 7, etc., are all existing technologies known to professional and technical personnel in this field.
[0029] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.
Claims
1. A high-sulfur coal blending machine for a thermal power plant that avoids stacking, comprising a blending machine body (1), support legs (2) and an upper cover plate (3), characterized in that: The lower end of the blending machine body (1) is connected to a support leg (2), the upper end of the blending machine body (1) is connected to an upper cover plate (3), and the upper end of the upper cover plate (3) is connected to an electric telescopic rod (4), the upper end of the electric telescopic rod (4) is connected to a connecting plate (5), a driving motor (6) is installed on the connecting plate (5), the lower end of the driving motor (6) is connected to a rotating shaft (7), the lower end of the rotating shaft (7) is connected to a baffle (8), the lower end of the rotating shaft (7) is connected to a spiral structure (9), the lower end of the blending machine body (1) is provided with a discharge port (10), the outer side of the rotating shaft (7) is connected to a stirring rod (11), the upper end of the upper cover plate (3) is provided with a feed port (12), a spring (13) is installed inside the blending machine body (1), and a first limit rod (14) is connected to the blending machine body (1).
2. A high-sulfur coal blending machine for a thermal power plant that avoids stacking according to claim 1, characterized in that: The upper cover plate (3) is connected to the blending machine body (1) in a detachable manner, and the upper cover plate (3) is connected to the electric telescopic rod (4) in a fixed manner, and the connecting plate (5) forms a movable structure at the upper end of the upper cover plate (3) through the electric telescopic rod (4).
3. A high-sulfur coal blending machine for a thermal power plant that avoids stacking according to claim 1, characterized in that: The rotating shaft (7) and the baffle (8) are connected by welding, and the rotating shaft (7) forms a movable structure inside the blending and burning machine body (1), and the spiral structure (9) is located directly below the baffle (8).
4. A high-sulfur coal blending machine for a thermal power plant that avoids stacking according to claim 1, characterized in that: The first limiting rod (14) is connected to the blending machine body (1) in a movable manner, and the first limiting rod (14) forms a movable structure on the blending machine body (1), and the number of the first limiting rods (14) on the blending machine body (1) is two.
5. The high-sulfur coal blending machine for thermal power plants that avoids stacking according to claim 1, characterized in that: The lower end of the upper cover plate (3) is connected to a second limiting rod (15).
6. A high-sulfur coal blending machine for a thermal power plant that avoids stacking according to claim 5, characterized in that: The number of the second limiting rods (15) is the same as the number of the first limiting rods (14), and the second limiting rods (15) are connected to the blending machine body (1) in a contact connection manner, and the second limiting rods (15) are connected to the first limiting rods (14) in a contact connection manner.