Coal-fired boiler convenient to clean

Abstract

The utility model relates to the field of thermal power generation equipment, in particular to a coal-fired boiler convenient to clean, which comprises a shell, a combustion chamber is arranged in the shell, the shell is provided with a coal inlet and a slag outlet which correspond to the combustion chamber, a circular frame is rotatably arranged in the combustion chamber between the coal inlet and the slag outlet, and a plurality of rotating shafts are rotatably arranged in the circular frame. A plurality of stirring plates are arranged on the side faces of the rotating shafts, a plurality of straight gears are rotationally arranged outside the circular frame and connected with the rotating shafts in a one-to-one correspondence mode through universal joints, straight gear rings meshed with the straight gears are arranged below the circular frame, and a plurality of stand columns are evenly arranged at the upper end of the circular frame. The coal-fired boiler has the advantages of being convenient to clean and improving the use convenience of the coal-fired boiler.

Description

Technical Field

[0001] The utility model relates to the field of thermal power generation equipment, in particular to a coal-fired boiler which is easy to clean. Background Art

[0002] In the field of thermal power generation, coal-fired boilers are important equipment. The heat generated by the combustion of coal is used to heat the water in the boiler into steam, and the high-temperature and high-pressure steam is transported to the steam turbine to drive the steam turbine to rotate. The steam turbine is then used to drive the generator to rotate to generate electricity. During the use of coal-fired boilers, coal slag needs to be cleaned. The existing coal-fired boilers use manual labor to clean coal slag, which is rather cumbersome. Therefore, it is particularly necessary to develop a coal-fired boiler that is easy to clean and to improve the ease of use of coal-fired boilers. Summary of the invention

[0003] The utility model aims to provide a coal-fired boiler which is easy to clean and has the advantages of being easy to clean and improving the convenient use performance of the coal-fired boiler.

[0004] The technical solutions adopted are as follows:

[0005] A coal-fired boiler which is easy to clean comprises an outer shell, a combustion chamber is arranged in the outer shell, a coal inlet and a slag outlet corresponding to the combustion chamber are arranged in the outer shell, a circular frame is rotatably arranged in the combustion chamber between the coal inlet and the slag outlet, a plurality of rotating shafts are rotatably arranged in the circular frame, a plurality of stirring plates are arranged on the side of the rotating shaft, a plurality of spur gears are rotatably arranged outside the circular frame, the spur gears are connected to the rotating shafts one by one by universal joints, a spur gear ring meshing with the spur gears is arranged below the circular frame, and a plurality of columns are evenly arranged on the upper end of the circular frame.

[0006] Preferably, a scraper is provided on the side of the column, and the scraper extends radially along the circular frame.

[0007] Preferably, an annular groove is provided on the outer side of the circular frame, a bevel gear ring is arranged in the annular groove, a transmission shaft penetrating the outer shell is arranged for horizontal rotation of the outer shell, and a bevel gear meshing with the bevel gear ring is arranged at the end of the transmission shaft.

[0008] Preferably, a rotating handle is provided at one end of the transmission shaft away from the bevel gear.

[0009] Preferably, an annular retaining ring is provided on the inner wall of the combustion chamber, the annular retaining ring is arranged above the circular frame, and the upper end surface of the annular retaining ring is an inclined surface.

[0010] Compared with the prior art, the beneficial effects are:

[0011] 1. When cleaning coal slag, the utility model utilizes the upright column to push the circular frame to rotate, utilizes the meshing of the spur gear and the spur gear ring to drive each rotating shaft to rotate, thereby driving the stirring plate to rotate along with the rotating shaft, and utilizes the rotating stirring plate to clean the slag, which is convenient for cleaning and improves the convenience of using the coal-fired boiler.

[0012] 2. The utility model utilizes a circular frame to drive the column and the scraper to rotate, and utilizes the scraper to clean the coal slag on the inner wall of the combustion chamber.

[0013] 3. The utility model utilizes a rotating handle to drive the bevel gear to rotate, and the meshing of the bevel gear and the bevel gear ring drives the circular frame to rotate, and driving the circular frame to rotate is convenient and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a three-dimensional structural schematic diagram of a coal-fired boiler that is easy to clean in the utility model.

[0015] Figure 2 This is a schematic diagram of the internal structure of a coal-fired boiler that is easy to clean.

[0016] Figure 3 yes Figure 2 The structural diagram at A in the middle,

[0017] Figure 4 This is a schematic diagram of a top view of a circular frame of a coal-fired boiler that is easy to clean.

[0018] In the figure: 1. outer shell, 2. combustion chamber, 3. coal inlet, 4. slag outlet, 5. circular frame, 6. rotating shaft, 7. stirring plate, 8. spur gear, 9. spur gear ring, 10. column, 11. scraper, 12. annular retaining ring, 13. annular groove, 14. bevel gear ring, 15. transmission shaft, 16. bevel gear, 17. rotating handle. DETAILED DESCRIPTION

[0019] The present invention will be further described below in conjunction with specific embodiments. Figures 1 to 4 As shown:

[0020] Embodiment 1: A coal-fired boiler that is easy to clean, comprising a shell 1, a combustion chamber 2 is arranged in the shell 1, the shell 1 is provided with a coal inlet 3 and a slag outlet 4 corresponding to the combustion chamber 2, the slag inlet is used to put in coal, the slag outlet 4 is used to take out coal slag, the slag outlet 4 is located below the coal inlet 3, and a circular frame 5 is rotatably arranged in the combustion chamber 2 between the coal inlet 3 and the slag outlet 4.

[0021] A plurality of rotating shafts 6 are rotatably arranged in the circular frame 5, a plurality of stirring plates 7 are arranged on the side of the rotating shaft 6, a plurality of spur gears 8 are rotatably arranged outside the circular frame 5, the spur gears 8 are connected to the rotating shaft 6 in a one-to-one correspondence by means of universal joints, the axes of the spur gears 8 all extend along the radial direction of the circular frame 5, a spur gear ring 9 meshing with the spur gear 8 is arranged below the circular frame 5, a plurality of columns 10 are evenly arranged on the upper end of the circular frame 5, the columns 10 are convenient for being pushed by external equipment, when the circular frame 5 rotates, the spur gears 8 mesh with the spur gear ring 9, thereby rotating the spur gears 8, and the rotation of the rotating shaft 6 is used to cause the stirring plates 7 to crush the coal slag, so that the coal slag is convenient to fall and clean, and the convenience of using the coal-fired boiler is improved.

[0022] Embodiment 2: A coal-fired boiler that is easy to clean, comprising a shell 1, a combustion chamber 2 is arranged in the shell 1, the shell 1 is provided with a coal inlet 3 and a slag outlet 4 corresponding to the combustion chamber 2, the slag inlet is used to put in coal, the slag outlet 4 is used to take out coal slag, the slag outlet 4 is located below the coal inlet 3, and a circular frame 5 is rotatably arranged in the combustion chamber 2 between the coal inlet 3 and the slag outlet 4.

[0023] A plurality of rotating shafts 6 are rotatably arranged in the circular frame 5, a plurality of stirring plates 7 are arranged on the side of the rotating shaft 6, a plurality of spur gears 8 are rotatably arranged outside the circular frame 5, the spur gears 8 are connected to the rotating shaft 6 in a one-to-one correspondence by using universal joints, the axes of the spur gears 8 all extend along the radial direction of the circular frame 5, a spur gear ring 9 meshing with the spur gears 8 is arranged below the circular frame 5, a plurality of columns 10 are evenly arranged on the upper end of the circular frame 5, the columns 10 are convenient for being pushed by external equipment, a scraper 11 is arranged on the side of the column 10, the scraper 11 extends along the radial direction of the circular frame 5, the circular frame 5 drives the columns 10 and the scraper 11 to rotate, and the scraper 11 is used to clean the coal slag on the inner wall of the combustion chamber 2,

[0024] When the circular frame 5 rotates, the spur gear 8 meshes with the spur gear ring 9, so that the spur gear 8 rotates, and the stirring plate 7 is used to crush the coal slag by the rotation of the rotating shaft 6, which is convenient for the coal slag to fall and clean up, and improves the convenience of using the coal-fired boiler. The inner wall of the combustion chamber 2 is provided with an annular retaining ring 12, which is arranged above the circular frame 5, and the upper end surface of the annular retaining ring 12 is an inclined surface. The annular retaining ring 12 is used to prevent the coal slag from entering between the circular frame 5 and the inner wall of the combustion chamber 2.

[0025] An annular groove 13 is provided on the outer side of the circular frame 5, and a bevel gear ring 14 is arranged in the annular groove 13. A transmission shaft 15 penetrating the outer shell 1 is provided with a horizontal rotation of the outer shell 1, and a bevel gear 16 meshing with the bevel gear ring 14 is provided at the end of the transmission shaft 15. A rotating handle 17 is provided at the end of the transmission shaft 15 away from the bevel gear 16. The rotating handle 17 drives the bevel gear 16 to rotate, and the meshing of the bevel gear 16 and the bevel gear ring 14 drives the circular frame 5 to rotate, and driving the circular frame 5 to rotate is convenient and quick.

[0026] The specific working process is as follows: when it is necessary to clean the coal slag, the bevel gear 16 is driven to rotate by rotating the handle 17, and the meshing of the bevel gear 16 and the bevel gear ring 14 drives the circular frame 5 to rotate. When the circular frame 5 rotates, the spur gear 8 is meshed with the spur gear ring 9, thereby rotating the spur gear 8. The rotation of the rotating shaft 6 is used to crush the coal slag with the stirring plate 7, which is convenient for the coal slag to fall and clean, and improves the convenience of using the coal-fired boiler. At the same time, the scraper 11 cleans the coal slag on the inner wall of the combustion chamber 2.

[0027] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A coal-fired boiler that is easy to clean, characterized in that: It includes an outer shell, a combustion chamber is arranged in the outer shell, the outer shell is provided with a coal inlet and a slag outlet corresponding to the combustion chamber, a circular frame is rotatably arranged in the combustion chamber between the coal inlet and the slag outlet, a plurality of rotating shafts are rotatably arranged in the circular frame, a plurality of stirring plates are arranged on the side of the rotating shaft, a plurality of spur gears are rotatably arranged outside the circular frame, the spur gears are connected to the rotating shafts one by one by universal joints, a spur gear ring meshing with the spur gears is arranged below the circular frame, and a plurality of columns are evenly arranged on the upper end of the circular frame.

2. A coal-fired boiler that is easy to clean as claimed in claim 1, characterized in that: A scraper is arranged on the side of the column, and the scraper extends along the radial direction of the circular frame.

3. A coal-fired boiler that is easy to clean as claimed in claim 1, characterized in that: An annular groove is provided on the outer side of the circular frame, a bevel gear ring is arranged in the annular groove, a transmission shaft penetrating the outer shell is arranged for horizontal rotation, and a bevel gear meshing with the bevel gear ring is arranged at the end of the transmission shaft.

4. A coal-fired boiler that is easy to clean as claimed in claim 3, characterized in that: A rotating handle is arranged at one end of the transmission shaft away from the bevel gear.

5. The easy-to-clean coal-fired boiler according to claim 1, characterized in that: The inner wall of the combustion chamber is provided with an annular retaining ring, which is arranged above the circular frame, and the upper end surface of the annular retaining ring is an inclined surface.

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