Automatic quantitative feeding device of thermal power generation boiler
By designing an automated quantitative feeding device for thermal power boilers, the combination of driven and active mechanisms is used to realize automatic and quantitative material feeding, solving the problem of difficult to accurately control the feeding volume in the prior art, and improving the power control accuracy and stability of the boiler.
Patent Information
- Application Number
- CN202411751760.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-03-07
AI Technical Summary
It is difficult for existing thermal power boilers to accurately and quantitatively control the feed volume during use, resulting in abnormal power control and there is room for improvement.
An automatic quantitative loading device for thermal power boiler is designed, including a driven mechanism and an active mechanism. The driven mechanism consists of a fixed table, a movable table, a blanking plate, etc., and drives the movable table movement through the drive member to drive the blanking plate to control the material discharge; the active mechanism includes a motor frame, a cam and a servo motor, and the lifting and lowering frequency of the blanking plate is directly controlled by controlling the rotation frequency of the cam.
Automatic and quantitative feeding of thermal power boilers is realized, the accuracy and stability of power control are improved, and the dangerous situation of flame ejection from the side is avoided.
Smart Images

Figure CN119573073A_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of automatic boiler feeding, and in particular relates to an automatic quantitative feeding device for a thermal power generation boiler. Background Art
[0002] Thermal power boilers are devices used in thermal power plants to convert the heat energy generated by the combustion of fuels (such as coal, natural gas, oil, etc.) into steam, which drives the steam turbine to generate electricity. Thermal power boilers are one of the core equipment in thermal power plants, and their working principle and structural design directly affect the efficiency, stability and environmental performance of the entire power generation system.
[0003] It is not easy to accurately and quantitatively control the feed amount of the thermal power generation boiler in the prior art during use, which leads to abnormal power control of the thermal power generation boiler. There is room for improvement. Summary of the invention
[0004] In order to overcome the above defects, the present invention provides an automatic quantitative feeding device for a thermal power generation boiler to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an automatic quantitative feeding device for a thermal power boiler, characterized in that it includes a thermal power boiler, a feeding port and a feeding barrel, the driven mechanism includes a fixed table, a fixed cross bar, a fixed frame, a movable table, a movable frame, a movable rod, a spring and a blanking plate, the fixed table, the fixed cross bar and the fixed frame are connected as a whole, the fixed frame is adapted to the feeding port, the movable table, the movable frame, the movable rod, the spring and the blanking plate are connected as a whole, the blanking plate is adapted to the feeding barrel and controls the equipment to automatically and quantitatively feed, and a driving member for driving its movement is provided on one side of the movable table.
[0006] As a further solution of the present invention: an automatic quantitative feeding device for a thermal power generation boiler, the driving part includes an active mechanism, the active mechanism includes a motor frame, a cam and a servo motor, the motor frame is fixedly connected to a fixed platform, the servo motor is fixedly connected to the motor frame, and the output end of the servo motor passes through the motor frame and is fixedly connected to the cam.
[0007] As a further solution of the present invention: an automatic quantitative feeding device for a thermal power generation boiler, wherein an electromagnetic suction guide rail is fixedly installed on one side of the thermal power generation boiler, and a magnetic suction clamping arm compatible with the electromagnetic suction guide rail is fixedly installed on one side of the feeding barrel.
[0008] As a further solution of the present invention: an automatic quantitative feeding device for a thermal power generation boiler, wherein an auxiliary plate is arranged inside the thermal power generation boiler, and the auxiliary plate includes a first sealing plate, a connecting frame and a second sealing plate, the first sealing plate, the connecting frame and the second sealing plate are fixedly connected in sequence, and the fixed frame is fixedly connected to the connecting frame.
[0009] As a further solution of the present invention: an automatic quantitative feeding device for a thermal power generation boiler, the movable frame is movably connected to the fixed platform through a ball screw nut pair.
[0010] As a further solution of the present invention: an automatic quantitative feeding device for a thermal power generation boiler, the fixed platform is internally rotatably connected with a bearing, and the bearing is fixedly connected to one end of a ball screw nut pair.
[0011] As a further solution of the present invention: an automatic quantitative feeding device for a thermal power generation boiler, wherein a blanking plate opening is provided inside the feeding cylinder, and the blanking plate is adapted to the blanking plate opening.
[0012] As a further solution of the present invention: an automatic quantitative feeding device for a thermal power boiler, the ball screw nut pair and the fixed platform are detachable structures, one end of the spring is screwed to the movable platform, and the other end of the spring is screwed to the blanking plate.
[0013] As a further solution of the present invention: an automatic quantitative feeding device for a thermal power generation boiler, one end of the fixed cross bar is expanded with the fixed platform, and the other end of the fixed cross bar is expanded with the fixed frame.
[0014] As a further solution of the present invention: an automatic quantitative feeding device for a thermal power boiler, the electromagnetic suction guide rail and the servo motor are both electrically connected to a control cabinet of the thermal power boiler.
[0015] Compared with the prior art, the present invention has the following beneficial effects:
[0016] 1. Since the fixed table, fixed cross bar and fixed frame are connected as a whole, the fixed frame is adapted to the feed port, the movable table, movable frame, movable rod, spring and blanking plate are connected as a whole, the blanking plate is adapted to the loading barrel and controls the automatic and quantitative feeding of the equipment, and a driving member for driving the movement of the movable table is provided on one side. Therefore, after the driving member drives the movable table to move, the movable table can drive the movable rod and the blanking plate to move, so that the blanking plate controls the size and frequency of the opening connected to the fixed frame during the movement of the blanking plate mouth, thereby realizing the automatic unloading operation of the material.
[0017] 2. Since the active mechanism includes a motor frame, a cam and a servo motor, the motor frame is fixedly connected to the fixed platform, the servo motor is fixedly connected to the motor frame, and the output end of the servo motor passes through the motor frame and is fixedly connected to the cam. Therefore, the lifting frequency of the blanking plate can be directly controlled by controlling the rotation frequency of the cam, thereby further accurately controlling the blanking.
[0018] 3. Since an electromagnetic suction rail is fixedly installed on one side of the thermal power generation boiler, a magnetically attractive clamping arm compatible with the electromagnetic suction rail is fixedly installed on one side of the loading barrel, and an auxiliary plate is arranged inside the thermal power generation boiler, the auxiliary plate includes a first sealing plate, a connecting frame and a second sealing plate, the first sealing plate, the connecting frame and the second sealing plate are fixedly connected in sequence, and the fixed frame is fixedly connected to the connecting frame, so the height of the loading barrel can be adjusted by the electromagnetic suction rail, and the opening of the feed port is always kept in a dynamic seal under the action of the auxiliary plate to avoid the dangerous situation of flames spraying from the side. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a schematic diagram of the overall structure of an automatic quantitative feeding device for a thermal power generation boiler according to the present invention;
[0020] Figure 2 It is a structural schematic diagram of a driven mechanism in an automatic quantitative feeding device for a thermal power generation boiler according to the present invention;
[0021] Figure 3 It is a structural schematic diagram of an auxiliary plate in an automatic quantitative feeding device for a thermal power generation boiler of the present invention;
[0022] Figure 4 This is one of the structural schematic diagrams of a feeding cylinder and an auxiliary plate in an automatic quantitative feeding device for a thermal power generation boiler according to the present invention;
[0023] Figure 5 This is the second structural schematic diagram of a feeding cylinder and an auxiliary plate in an automatic quantitative feeding device for a thermal power generation boiler according to the present invention;
[0024] In the figure: 1. thermal power boiler; 2. feed inlet; 3. loading barrel; 31. blanking plate opening; 4. electromagnetic suction guide rail; 5. active mechanism; 51. motor frame; 52. cam; 53. servo motor; 6. driven mechanism; 61. fixed table; 62. fixed cross bar; 63. fixed frame; 64. movable table; 65. movable frame; 66. movable rod; 67. spring; 68. blanking plate; 69. ball screw nut pair; 60. bearing; 7. auxiliary plate; 71. first blocking plate; 72. connecting frame; 73. second blocking plate. DETAILED DESCRIPTION
[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0026] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal connection of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. The following is an explanation of an embodiment of the present invention based on the overall structure of the present invention.
[0027] As shown in the accompanying drawings, the present invention provides a technical solution: an automatic quantitative feeding device for a thermal power boiler, comprising a thermal power boiler 1, a feed port 2 and a feeding barrel 3, the driven mechanism 6 comprising a fixed platform 61, a fixed cross bar 62, a fixed frame 63, a movable platform 64, a movable frame 65, a movable rod 66, a spring 67 and a blanking plate 68, the fixed platform 61, the fixed cross bar 62, and the fixed frame 63 are connected as a whole, the fixed frame 63 is adapted to the feed port 2, the movable platform 64, the movable frame 65, the movable rod 66, the spring 67 and the blanking plate 68 are connected as a whole, the blanking plate 68 is adapted to the feeding barrel 3 and controls the equipment to automatically and quantitatively feed, and a driving member for driving its movement is provided on one side of the movable platform 64.
[0028] Since the fixed platform 61, the fixed cross bar 62, and the fixed frame 63 are connected as a whole, the fixed frame 63 is adapted to the feed port 2, the movable platform 64, the movable frame 65, the movable rod 66, the spring 67 and the blanking plate 68 are connected as a whole, the blanking plate 68 is adapted to the loading barrel 3 and controls the automatic and quantitative feeding of the equipment, and a driving member for driving the movement of the movable platform 64 is provided on one side of the movable platform 64. Therefore, after the driving member drives the movable platform 64 to move, the movable platform 64 can drive the movable rod 66 and the blanking plate 68 to move, so that the blanking plate 68 controls the size and frequency of the opening connected to the fixed frame 63 during the activity of the blanking plate opening 31, thereby realizing the automatic unloading operation of the material.
[0029] As a further solution of the present invention: an automatic quantitative feeding device for a thermal power generation boiler, the driving part includes an active mechanism 5, the active mechanism 5 includes a motor frame 51, a cam 52 and a servo motor 53, the motor frame 51 is fixedly connected to a fixed platform 61, the servo motor 53 is fixedly connected to the motor frame 51, and the output end of the servo motor 53 passes through the motor frame 51 and is fixedly connected to the cam 52.
[0030] Since the active mechanism 5 includes a motor frame 51, a cam 52 and a servo motor 53, the motor frame 51 is fixedly connected to the fixed platform 61, the servo motor 53 is fixedly connected to the motor frame 51, and the output end of the servo motor 53 passes through the motor frame 51 and is fixedly connected to the cam 52. Therefore, the lifting frequency of the blanking plate 68 can be directly controlled by controlling the rotation frequency of the cam 52, thereby further accurately controlling the blanking.
[0031] As a further solution of the present invention: an automatic quantitative feeding device for a thermal power generation boiler, wherein an electromagnetic suction guide rail 4 is fixedly installed on one side of the thermal power generation boiler 1, and a magnetic suction clamping arm compatible with the electromagnetic suction guide rail 4 is fixedly installed on one side of the feeding cylinder 3.
[0032] As a further solution of the present invention: an automatic quantitative feeding device for a thermal power generation boiler, wherein an auxiliary plate 7 is arranged inside the thermal power generation boiler 1, and the auxiliary plate 7 includes a first sealing plate 71, a connecting frame 72 and a second sealing plate 73, the first sealing plate 71, the connecting frame 72 and the second sealing plate 73 are fixedly connected in sequence, and the fixed frame 63 is fixedly connected to the connecting frame 72.
[0033] Since an electromagnetic suction guide rail 4 is fixedly installed on one side of the thermal power generation boiler 1, a magnetically attractive clamping arm compatible with the electromagnetic suction guide rail 4 is fixedly installed on one side of the loading barrel 3, and an auxiliary plate 7 is arranged inside the thermal power generation boiler 1, and the auxiliary plate 7 includes a first sealing plate 71, a connecting frame 72 and a second sealing plate 73. The first sealing plate 71, the connecting frame 72 and the second sealing plate 73 are fixedly connected in sequence, and the fixed frame 63 is fixedly connected to the connecting frame 72. Therefore, the height of the loading barrel 3 can be adjusted by the electromagnetic suction guide rail 4, and the opening of the feed port 2 is always kept in a dynamic seal under the action of the auxiliary plate 7 to avoid the dangerous situation of flames spraying from the side.
[0034] As a further solution of the present invention: an automatic quantitative feeding device for a thermal power generation boiler, the movable frame 65 is movably connected to the fixed platform 61 through a ball screw nut pair 69.
[0035] As a further solution of the present invention: an automatic quantitative feeding device for a thermal power boiler, the fixed platform 61 is internally rotatably connected with a bearing 60, and the bearing 60 is fixedly connected to one end of a ball screw nut pair 69.
[0036] As a further solution of the present invention: an automatic quantitative feeding device for a thermal power boiler, the inside of the feeding cylinder 3 is provided with a blanking plate opening 31, and the blanking plate 68 is adapted to the blanking plate opening 31.
[0037] As a further solution of the present invention: an automatic quantitative feeding device for a thermal power boiler, the ball screw nut pair 69 and the fixed platform 61 are detachable structures, one end of the spring 67 is screwed to the movable platform 64, and the other end of the spring 67 is screwed to the blanking plate 68.
[0038] As a further solution of the present invention: an automatic quantitative feeding device for a thermal power generation boiler, one end of the fixed cross bar 62 is expanded with the fixed platform 61, and the other end of the fixed cross bar 62 is expanded with the fixed frame 63.
[0039] As a further solution of the present invention: an automatic quantitative feeding device for a thermal power boiler, the electromagnetic suction guide rail 4 and the servo motor 53 are both electrically connected to the control cabinet of the thermal power boiler.
[0040] The working principle of the present invention is as follows: since the fixed platform 61, the fixed cross bar 62, and the fixed frame 63 are connected as a whole, the fixed frame 63 is adapted to the feed port 2, the movable platform 64, the movable frame 65, the movable rod 66, the spring 67 and the blanking plate 68 are connected as a whole, the blanking plate 68 is adapted to the loading barrel 3 and controls the automatic and quantitative feeding of the equipment, and a driving member for driving the movement of the movable platform 64 is provided on one side of the movable platform 64. Therefore, after the driving member drives the movable platform 64 to move, the movable platform 64 can drive the movable rod 66 and the blanking plate 68 to move, so that the blanking plate 68 controls the size and frequency of the opening connected to the fixed frame 63 during the activity of the blanking plate opening 31, thereby realizing the automatic unloading operation of the material.
[0041] Since the active mechanism 5 includes a motor frame 51, a cam 52 and a servo motor 53, the motor frame 51 is fixedly connected to the fixed platform 61, the servo motor 53 is fixedly connected to the motor frame 51, and the output end of the servo motor 53 passes through the motor frame 51 and is fixedly connected to the cam 52. Therefore, the lifting frequency of the blanking plate 68 can be directly controlled by controlling the rotation frequency of the cam 52, thereby further accurately controlling the blanking.
[0042] Since an electromagnetic suction guide rail 4 is fixedly installed on one side of the thermal power generation boiler 1, a magnetically attractive clamping arm compatible with the electromagnetic suction guide rail 4 is fixedly installed on one side of the loading barrel 3, and an auxiliary plate 7 is arranged inside the thermal power generation boiler 1, and the auxiliary plate 7 includes a first sealing plate 71, a connecting frame 72 and a second sealing plate 73. The first sealing plate 71, the connecting frame 72 and the second sealing plate 73 are fixedly connected in sequence, and the fixed frame 63 is fixedly connected to the connecting frame 72. Therefore, the height of the loading barrel 3 can be adjusted by the electromagnetic suction guide rail 4, and the opening of the feed port 2 is always kept in a dynamic seal under the action of the auxiliary plate 7 to avoid the dangerous situation of flames spraying from the side.
[0043] What has been described above are only preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, can make equivalent replacements or changes based on the technical scheme and inventive concept of the present invention, which should be covered within the protection scope of the present invention. Various changes can also be made within the knowledge scope of ordinary technicians in this field without departing from the purpose of this patent.
Claims
1. An automatic quantitative feeding device for a thermal power boiler, characterized in that: The invention comprises a thermal power generation boiler (1), a feed inlet (2) and a feeding barrel (3); the driven mechanism (6) comprises a fixed platform (61), a fixed cross bar (62), a fixed frame (63), a movable platform (64), a movable frame (65), a movable rod (66), a spring (67) and a blanking plate (68); the fixed platform (61), the fixed cross bar (62) and the fixed frame (63) are connected as a whole; the fixed frame (63) is matched with the feed inlet (2); the movable platform (64), the movable frame (65), the movable rod (66), the spring (67) and the blanking plate (68) are connected as a whole; the blanking plate (68) is matched with the feeding barrel (3) and controls the equipment to automatically and quantitatively feed materials; and a driving member for driving the movable platform (64) to move is arranged on one side.
2. The automatic quantitative feeding device for thermal power generation boiler according to claim 1 is characterized in that: The driving member comprises an active mechanism (5), the active mechanism (5) comprising a motor frame (51), a cam (52) and a servo motor (53), the motor frame (51) being fixedly connected to a fixed platform (61), the servo motor (53) being fixedly connected to the motor frame (51), and an output end of the servo motor (53) passing through the motor frame (51) and being fixedly connected to the cam (52).
3. The automatic quantitative feeding device for thermal power generation boiler according to claim 2 is characterized in that: An electromagnetic suction guide rail (4) is fixedly mounted on one side of the thermal power generation boiler (1), and a magnetic suction clamping arm adapted to the electromagnetic suction guide rail (4) is fixedly mounted on one side of the loading cylinder (3).
4. The automatic quantitative feeding device for thermal power generation boiler according to claim 3 is characterized in that: An auxiliary plate (7) is arranged inside the thermal power generation boiler (1), and the auxiliary plate (7) comprises a first blocking plate (71), a connecting frame (72) and a second blocking plate (73). The first blocking plate (71), the connecting frame (72) and the second blocking plate (73) are fixedly connected in sequence, and the fixing frame (63) is fixedly connected to the connecting frame (72).
5. The automatic quantitative feeding device for thermal power generation boiler according to claim 4, characterized in that: The movable frame (65) is movably connected to the fixed platform (61) via a ball screw nut pair (69).
6. The automatic quantitative feeding device for thermal power generation boiler according to claim 5, characterized in that: A bearing (60) is rotatably connected inside the fixed platform (61), and the bearing (60) is fixedly connected to one end of a ball screw nut pair (69).
7. The automatic quantitative feeding device for thermal power generation boiler according to claim 6, characterized in that: A blanking plate opening (31) is provided inside the loading cylinder (3), and the blanking plate (68) is adapted to the blanking plate opening (31).
8. The automatic quantitative feeding device for thermal power generation boiler according to claim 7, characterized in that: The ball screw nut pair (69) and the fixed platform (61) are detachable structures, one end of the spring (67) is screwed to the movable platform (64), and the other end of the spring (67) is screwed to the blanking plate (68).
9. The automatic quantitative feeding device for thermal power generation boiler according to claim 8, characterized in that: One end of the fixed cross bar (62) is expansion-connected to the fixed platform (61), and the other end of the fixed cross bar (62) is expansion-connected to the fixed frame (63).
10. The automatic quantitative feeding device for thermal power generation boiler according to claim 9, characterized in that: The electromagnetic suction guide rail (4) and the servo motor (53) are both electrically connected to a control cabinet of a thermal power generation boiler.