Boiler combustion device of thermal power plant

Abstract

The boiler combustion device of the thermal power plant comprises a boiler body, the inner wall of the boiler body is fixedly connected with a water cooling wall, the top of the boiler body is fixedly connected with a first feeding pipe, the top of the first feeding pipe is fixedly connected with a material distribution box, and the interior of the material distribution box is rotationally connected with a rotating disc; compared with the prior art, the automatic feeding device has the advantages that by arranging the rotating disc and the material distributing openings, when the output end of the first servo motor drives the rotating disc to rotate, the positions of the two material distributing openings in the rotating disc are exchanged, interval discharging is carried out through the two material distributing openings, coal combustion is more sufficient, and the efficiency is improved. By arranging the rotating rod, the first material distribution disc, the stirring rod and the second material distribution disc, scattering of coal entering the furnace body is achieved, the coal can be conveniently and sufficiently combusted through the combustor, combustion is sufficient, and the combustion efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of boiler combustion, in particular to a boiler combustion device of a thermal power plant. Background Art

[0002] A thermal power plant refers to a thermal power plant that uses steam extraction or exhaust from a steam turbine to provide heat to users while generating electricity. Its main working principle is to use the hot water generated by the thermal power plant and reheat it for heating. The operation of a thermal power plant is inseparable from boilers, but the coal used for combustion in existing boilers is prone to uneven feeding, and most of the coal is fed continuously during boiler combustion, which can easily lead to incomplete combustion and low combustion efficiency. Utility Model Content

[0003] The purpose of the utility model is to provide a boiler combustion device for a thermal power plant, so as to solve the problem that the coal used for combustion in the existing boilers mentioned in the above background technology is prone to uneven feeding, and the boiler combustion feeding is mostly uninterrupted feeding of all coal, which easily leads to incomplete combustion and low combustion efficiency.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a boiler combustion device of a thermal power plant, comprising a furnace body, the inner wall of the furnace body is fixedly connected to a water-cooled wall, the top of the furnace body is fixedly connected to a No. 1 feed pipe, the top of the No. 1 feed pipe is fixedly connected to a distribution box, the interior of the distribution box is rotatably connected to a rotating disk, the interior of the rotating disk is symmetrically provided with two distribution openings, a No. 1 servo motor is installed inside the distribution box, the output end of the No. 1 servo motor is fixedly connected to the rotating disk, and the bottom of the distribution box is provided with a servo motor connected to the No. 1 feed pipe. The furnace body is provided with a rotating rod, and the outer side of the rotating rod is fixedly connected to a No. 1 material distribution plate, and the outer side of the rotating rod is fixedly connected to a No. 2 material distribution plate, and the tops of the No. 1 material distribution plate and the No. 2 material distribution plate are equidistantly provided with material distribution grooves, the outer side of the rotating rod is fixedly connected to a stirring rod, and the outer side of the rotating rod is fixedly connected to a material blocking cone disk, and the material blocking cone disk is rotatably connected to the furnace body, and the bottom of the furnace body is Anyang Town No. 2 servo motor, and the output end of the No. 2 servo motor is fixedly connected to the rotating rod.

[0005] As a preferred solution of the utility model: the top of the distribution box is fixedly connected to the storage box, the bottom of the storage box is fixedly connected to the third feed pipe, the third feed pipe is fixedly connected to the distribution box, and the third feed pipe cooperates with the distribution port.

[0006] As a preferred solution of the utility model: a No. 2 feed pipe is fixedly connected to the top of the storage box.

[0007] As a preferred solution of the utility model: a support block is fixedly connected to the bottom of the material distribution box, and the support block is fixedly connected to the furnace body.

[0008] As a preferred solution of the utility model: two discharge pipes are symmetrically fixedly connected to the bottom of the furnace body.

[0009] As a preferred solution of the utility model: a burner is installed on the inner side of the furnace body, a support frame is fixedly connected to the outside of the furnace body, a control panel is installed on one side of the support frame, and the No. 1 servo motor, the burner and the No. 2 servo motor are all electrically connected to the control panel.

[0010] Compared with the prior art, the utility model has the following beneficial effects: the utility model, by providing a rotating disk and a material distribution port, realizes that when the output end of the No. 1 servo motor drives the rotating disk to rotate, the two material distribution ports inside the rotating disk are interchanged in position, and the coal is discharged at intervals through the two material distribution ports, so that the coal burns more fully; by providing a rotating rod, a No. 1 material distribution disk, a stirring rod and a No. 2 material distribution disk, the coal entering the furnace body is broken up, which facilitates the full combustion of the coal through the burner, ensures full combustion and improves combustion efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic diagram of the internal structure of the utility model;

[0012] Figure 2 This is a schematic diagram of the water-cooled wall structure of the utility model;

[0013] Figure 3 This is a top view of the first material distribution plate of the utility model;

[0014] Figure 4 This is a top view of the rotating disk of the utility model.

[0015] In the figure: 1. furnace body; 2. No. 1 feed pipe; 3. distribution box; 4. rotating disk; 5. distribution port; 6. No. 1 servo motor; 7. storage box; 8. No. 2 feed pipe; 9. No. 3 feed pipe; 10. support block; 11. water-cooled wall; 12. burner; 13. rotating rod; 14. No. 1 distribution plate; 15. stirring rod; 16. No. 2 distribution plate; 17. material blocking cone disk; 18. No. 2 servo motor; 19. discharge pipe; 20. support frame; 21. distribution trough; 22. control panel. DETAILED DESCRIPTION

[0016] 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.

[0017] See also Figures 1 to 4 The utility model provides a technical solution: a boiler combustion device of a thermal power plant, comprising a furnace body 1, the inner wall of the furnace body 1 is fixedly connected to a water-cooled wall 11, a No. 1 feed pipe 2 is fixedly connected to the top of the furnace body 1, a distribution box 3 is fixedly connected to the top of the No. 1 feed pipe 2, a rotating disk 4 is rotatably connected to the inside of the distribution box 3, two distribution ports 5 are symmetrically arranged inside the rotating disk 4, a No. 1 servo motor 6 is installed inside the distribution box 3, the output end of the No. 1 servo motor 6 is fixedly connected to the rotating disk 4, a feeding port matched with the No. 1 feed pipe 2 is arranged at the bottom of the distribution box 3, the feeding port matches with the distribution port 5, a rotating rod 13 is rotatably connected to the inside of the furnace body 1, and the outer side of the rotating rod 13 is fixedly connected to A No. 1 material distribution plate 14 and a No. 2 material distribution plate 16 are fixedly connected to the outer side of the rotating rod 13, and material distribution grooves 21 are equidistantly provided on the tops of the No. 1 material distribution plate 14 and the No. 2 material distribution plate 16, a stirring rod 15 is fixedly connected to the outer side of the rotating rod 13, and a material blocking cone disk 17 is fixedly connected to the outer side of the rotating rod 13, and the material blocking cone disk 17 is rotatably connected to the furnace body 1, and a No. 2 servo motor 18 is at the bottom of the furnace body 1, and the output end of the No. 2 servo motor 18 is fixedly connected to the rotating rod 13, and the output end of the No. 2 servo motor 18 drives the rotating rod 13 to rotate, and when the rotating rod 13 rotates, it drives the No. 1 material distribution plate 14, the stirring rod 15 and the No. 2 material distribution plate 16 to rotate, so as to distribute the coal and burn it fully.

[0018] Among them, the top of the distribution box 3 is fixedly connected to the storage box 7, and the bottom of the storage box 7 is fixedly connected to the No. 3 feed pipe 9, the No. 3 feed pipe 9 is fixedly connected to the distribution box 3, and the No. 3 feed pipe 9 cooperates with the distribution port 5. The coal is stored in the storage box 7 and enters one of the distribution ports 5 in the rotating disk 4 through the No. 3 feed pipe 9. The rotating disk 4 is driven to rotate one hundred and eighty degrees through the output end of the No. 1 servo motor 6, and the positions of the two distribution ports 5 are interchanged to perform intermittent material unloading processing.

[0019] Among them, a No. 2 feeding pipe 8 is fixedly connected to the top of the storage box 7.

[0020] The bottom of the material distribution box 3 is fixedly connected with a support block 10 , and the support block 10 is fixedly connected to the furnace body 1 .

[0021] Among them, two discharge pipes 19 are symmetrically fixedly connected to the bottom of the furnace body 1, and the coal is discharged through the two discharge pipes 19.

[0022] Among them, a burner 12 is installed on the inner side of the furnace body 1, and a support frame 20 is fixedly connected to the outside of the furnace body 1. A control panel 22 is installed on one side of the support frame 20. The No. 1 servo motor 6, the burner 12 and the No. 2 servo motor 18 are all electrically connected to the control panel 22. The device is centrally controlled through the control panel 22, which improves the safety and work efficiency of the device.

[0023] Specifically, when in use, coal is stored in the storage box 7 and enters one of the distribution ports 5 in the rotating disk 4 through the No. 3 feed pipe 9. The rotating disk 4 is driven to rotate 180 degrees by the output end of the No. 1 servo motor 6, and the positions of the two distribution ports 5 are interchanged. The coal in one of the distribution ports 5 enters the No. 1 feed pipe 2 for discharge, and the coal is burned by the burner 12 in the furnace body 1. The No. 2 servo motor 18 is started through the control panel 22, and the output end of the No. 2 servo motor 18 drives the rotating rod 13 to rotate. When the rotating rod 13 rotates, it drives the No. 1 distribution plate 14, the stirring rod 15 and the No. 2 distribution plate 16 to rotate, and the coal is distributed and fully burned. At the same time, the distribution ports 5 in the rotating disk 4 discharge the coal at intervals, and when the rotating rod 13 rotates, it drives the outer material blocking cone disk 17 to rotate, so as to facilitate the discharge through the two discharge pipes 19.

[0024] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and 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 should not be understood as a limitation on the present invention.

[0025] In addition, the terms "first", "second", "third" and "fourth" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first", "second", "third" and "fourth" may explicitly or implicitly include at least one of such features.

[0026] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A boiler combustion device for a thermal power plant, comprising a furnace body (1), characterized in that: The inner wall of the furnace body (1) is fixedly connected to a water-cooled wall (11), the top of the furnace body (1) is fixedly connected to a No. 1 feed pipe (2), the top of the No. 1 feed pipe (2) is fixedly connected to a distribution box (3), the interior of the distribution box (3) is rotatably connected to a rotating disk (4), the interior of the rotating disk (4) is symmetrically provided with two distribution openings (5), the interior of the distribution box (3) is installed with a No. 1 servo motor (6), the output end of the No. 1 servo motor (6) is fixedly connected to the rotating disk (4), the bottom of the distribution box (3) is provided with a feed opening that cooperates with the No. 1 feed pipe (2), the feed opening cooperates with the distribution opening (5), the interior of the furnace body (1) is rotatably connected to a rotating disk (4), two distribution openings (5) are symmetrically provided with the rotating disk (4), a No. 1 servo motor (6) is installed inside the distribution box (3), the output end of the No. 1 servo motor (6) is fixedly connected to the rotating disk (4), a feed opening that cooperates with the No. 1 feed pipe (2) is provided at the bottom, and the feed opening cooperates with the distribution opening (5), the interior of the furnace body (1) is rotatably connected to a rotating disk (4), and two distribution openings (5) are symmetrically provided with the rotating disk (4), and a No. 1 servo motor (6) is installed inside the distribution box (3), and the output end of the No. 1 servo motor (6) is fixedly connected to the rotating disk (4), and a feed opening that cooperates with the feed opening (5) is provided at the bottom of the distribution box (3). A rotating rod (13) is rotatably connected to the furnace body (1), a first material distribution plate (14) is fixedly connected to the outer side of the rotating rod (13), a second material distribution plate (16) is fixedly connected to the outer side of the rotating rod (13), material distribution grooves (21) are evenly spaced at the top of the first material distribution plate (14) and the second material distribution plate (16), a stirring rod (15) is fixedly connected to the outer side of the rotating rod (13), a material blocking cone plate (17) is fixedly connected to the outer side of the rotating rod (13), the material blocking cone plate (17) is rotatably connected to the furnace body (1), and a No. 2 servo motor (18) is provided at the bottom of the furnace body (1), and the output end of the No. 2 servo motor (18) is fixedly connected to the rotating rod (13).

2. A boiler combustion device for a thermal power plant according to claim 1, characterized in that: The top of the material distribution box (3) is fixedly connected to a material storage box (7), the bottom of the material storage box (7) is fixedly connected to a No. 3 material feed pipe (9), the No. 3 material feed pipe (9) is fixedly connected to the material distribution box (3), and the No. 3 material feed pipe (9) cooperates with the material distribution port (5).

3. A boiler combustion device for a thermal power plant according to claim 2, characterized in that: A No. 2 feeding pipe (8) is fixedly connected to the top of the storage box (7).

4. A boiler combustion device for a thermal power plant according to claim 1, characterized in that: A support block (10) is fixedly connected to the bottom of the material distribution box (3), and the support block (10) is fixedly connected to the furnace body (1).

5. A boiler combustion device for a thermal power plant according to claim 1, characterized in that: Two discharge pipes (19) are symmetrically and fixedly connected to the bottom of the furnace body (1).

6. A boiler combustion device for a thermal power plant according to claim 1, characterized in that: A burner (12) is installed on the inner side of the furnace body (1), a support frame (20) is fixedly connected to the outside of the furnace body (1), a control panel (22) is installed on one side of the support frame (20), and the first servo motor (6), the burner (12) and the second servo motor (18) are all electrically connected to the control panel (22).

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