Efficient coal calcining system for clean production

Abstract

The utility model discloses an efficient coal calcination system for clean production, and belongs to the technical field of coal calcination. An air blower is mounted on the front side of a combustion furnace, and a plurality of groups of nozzles facing the interior of the combustion furnace are arranged on a U-shaped frame; a shutter fan capable of being opened in a self-adaptive mode is installed at an outlet of the smoke exhaust pipe, and the upper combustion plate is located above the lower combustion plate. A motor is installed on the outer wall of the combustion cavity, a rotating frame rotationally arranged in the combustion cavity is installed on an output shaft of the motor, and multiple sets of spray pipes facing the combustion furnace are arranged on the rotating frame; the blades are rotationally arranged in the mounting cylinder, linkage rings are movably connected between the blades, and the blades located on the outer side are connected with the boss through springs. Coal of different sizes can be combusted separately through the cooperation of the upper combustion plate and the lower combustion plate, the combustion furnace can be heated in all directions through the rotating frame and the spray pipe, so that the combustion effect is further improved, and the louver fan can be started in a self-adaptive mode when the air blower is started through the design of the blades and the linkage ring.

Description

Technical Field

[0001] The utility model relates to the technical field of coal calcination, in particular to a clean production and high-efficiency coal calcination system. Background Art

[0002] Coal is a solid combustible mineral that is gradually formed by ancient plants buried underground and undergoing complex biochemical and physical and chemical changes. Coal is known as black gold and food for industry. It has been one of the main energy sources used by the human world since the 18th century. The supply of coal is also related to the stability of the development of my country's industry and even the entire society. The security of coal supply is also the most important part of my country's energy security. A boiler is an energy converter that uses the heat energy released by fuel combustion or other heat energy to heat working water or other fluids to certain parameters.

[0003] Application number: CN202223264439.4 discloses a coal clean combustion furnace, including a combustion furnace body and a secondary combustion mechanism, wherein the secondary combustion mechanism is installed at the furnace wall of the combustion furnace body, and the secondary combustion mechanism is composed of a furnace body, an air extraction pump, an igniter and a fire exhaust pipe A. The furnace wall of the combustion furnace body is fixed with an air extraction pump by bolts, and the air extraction port of the air extraction pump is connected to the furnace wall of the combustion furnace body through a conduit, and the exhaust port of the air extraction pump is connected to the furnace wall of the furnace body through a conduit, and the igniter is installed on the top of the furnace body of the furnace body, and the furnace wall of the furnace body is connected and installed with a fire exhaust pipe A. The secondary combustion mechanism and the air blowing mechanism can increase the combustion effect of coal and avoid coal particles and carbon monoxide emissions from polluting the environment.

[0004] The coal clean combustion furnaces in the above-mentioned comparative documents have average combustion efficiency and are unable to heat and burn the combustion materials in all directions. In addition, the degree of freedom is average and the smoke exhaust duct cannot be opened automatically when the combustion furnace is started. Therefore, a clean production and efficient coal calcination system is designed here to solve the above-mentioned problems. Utility Model Content

[0005] The purpose of the utility model is to provide a clean production and efficient coal calcining system in order to solve the problems that the traditional coal clean combustion furnace has average combustion efficiency, cannot heat and burn the combustion materials in an all-round way, has average degree of freedom, and cannot automatically open the smoke exhaust duct when the combustion furnace is started.

[0006] To achieve the above-mentioned purpose, the technical solution of the utility model is: a clean production and efficient coal calcining system, including a combustion furnace, a blower is installed on the front side of the combustion furnace, symmetrical U-shaped frames are connected to both sides of the blower, the U-shaped frames are installed on both sides and the top of the combustion furnace, and a plurality of groups of nozzles facing the inside of the combustion furnace are arranged on the U-shaped frames; a smoke exhaust pipe is arranged on the top of the combustion furnace, and a shutter fan that opens adaptively is installed at the outlet of the smoke exhaust pipe, a plurality of groups of mounting platforms are arranged on the inner wall of the combustion furnace, an upper combustion plate and a lower combustion plate are arranged on the mounting platforms, and the upper combustion plate is located at Above the lower combustion plate; a combustion chamber is opened on the side of the combustion furnace, a motor is installed on the outer wall of the combustion chamber, a rotating frame rotatably arranged in the combustion chamber is installed on the output shaft of the motor, and a plurality of nozzles facing the combustion furnace are arranged on the rotating frame; the louver fan includes a mounting tube and blades, the mounting tube is installed at the outlet of the smoke exhaust pipe, the blades are rotatably arranged in the mounting tube, a linkage ring is movably connected between the blades, a boss is also fixedly provided on the mounting tube, a spring is provided on the boss, and the blades located on the outside are connected to the boss through the spring.

[0007] As a further solution of the utility model: a side cover is installed on the side of the combustion furnace, and a feeding port is opened on the side cover.

[0008] As a further solution of the utility model: a first leakage hole is opened on the upper combustion plate, and a second leakage hole is opened on the lower combustion plate, and the diameter of the first leakage hole is larger than that of the second leakage hole.

[0009] As a further solution of the utility model: a slag discharge port is also provided at the bottom of the combustion furnace.

[0010] The utility model provides a clean production and efficient coal calcining system through improvement, which has the following improvements and advantages compared with the prior art:

[0011] The utility model can burn coals of different sizes separately through the cooperation of the upper combustion plate and the lower combustion plate, and can blow air to the combustion furnace in all directions with the cooperation of the U-shaped frame and the nozzle. When the motor is started, the combustion furnace can be heated in all directions through the cooperation of the rotating frame and the nozzle, thereby further improving the combustion effect, and the shutter fan can be adaptively opened when the blower is turned on through the design of the blades and the linkage ring. This structure greatly improves the practicality and stability of the clean production and high-efficiency coal calcining system. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The utility model is further explained below in conjunction with the accompanying drawings and embodiments:

[0013] Figure 1It is a three-dimensional structural diagram of the utility model;

[0014] Figure 2 It is the internal structure diagram of the utility model;

[0015] Figure 3 It is a cross-sectional view of the utility model;

[0016] Figure 4 It is a side view of the shutter fan in the utility model;

[0017] Figure 5 It is a rear view of the louver fan in the utility model.

[0018] Description of reference numerals:

[0019] 1. Combustion furnace; 2. Side cover; 3. Feeding port; 4. Blower; 5. U-shaped frame; 6. Nozzle; 7. Smoke exhaust pipe; 8. Shutter fan; 9. Mounting table; 10. Upper combustion plate; 11. Lower combustion plate; 12. First leakage hole; 13. Second leakage hole; 14. Slag discharge port; 15. Combustion chamber; 16. Motor; 17. Rotating frame; 18. Nozzle; 19. Mounting tube; 20. Blade; 21. Boss; 22. Spring; 23. Linkage ring. DETAILED DESCRIPTION

[0020] The following will be combined with the attached Figures 1 to 5 The utility model is described in detail, and the technical solutions in the embodiments of the utility model are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of 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] The utility model provides a clean production and high efficiency coal calcining system through improvement. Figure 1-Figure 5As shown, a clean production and efficient coal calcining system includes a combustion furnace 1, a blower 4 is installed on the front side of the combustion furnace 1, and symmetrical U-shaped frames 5 are connected to both sides of the blower 4. The U-shaped frames 5 are installed on both sides and the top of the combustion furnace 1, and multiple groups of nozzles 6 facing the inside of the combustion furnace 1 are arranged on the U-shaped frames 5; a smoke exhaust pipe 7 is arranged on the top of the combustion furnace 1, and a shutter fan 8 that can be opened adaptively is installed at the outlet of the smoke exhaust pipe 7, and multiple groups of mounting platforms 9 are arranged on the inner wall of the combustion furnace 1, and an upper combustion plate 10 and a lower combustion plate 11 are arranged on the mounting platforms 9, and the upper combustion plate 10 is located above the lower combustion plate 11; the combustion furnace 1 A combustion chamber 15 is opened on the side, and a motor 16 is installed on the outer wall of the combustion chamber 15. A rotating frame 17 rotatably arranged in the combustion chamber 15 is installed on the output shaft of the motor 16, and a plurality of nozzles 18 facing the combustion furnace 1 are arranged on the rotating frame 17; the shutter fan 8 includes a mounting tube 19 and blades 20, the mounting tube 19 is installed at the outlet of the smoke exhaust pipe 7, the blades 20 are rotatably arranged in the mounting tube 19, and a linkage ring 23 is movably connected between the blades 20, and a boss 21 is also fixedly arranged on the mounting tube 19, and a spring 22 is arranged on the boss 21, and the blades 20 located on the outside are connected to the boss 21 through the spring 22.

[0022] The utility model can burn coals of different sizes separately through the cooperation of the upper combustion plate 10 and the lower combustion plate 11, and can blow air to the combustion furnace 1 in all directions with the cooperation of the U-shaped frame 5 and the nozzle 6. When the motor 16 is started, the combustion furnace 1 can be heated in all directions through the cooperation of the rotating frame 17 and the nozzle 18, thereby further improving the combustion effect, and the shutter fan 8 can be adaptively opened when the blower 4 is turned on through the design of the blade 20 and the linkage ring 23. This structure greatly improves the practicality and stability of the clean production and high-efficiency coal calcining system.

[0023] See attached Figure 1 A side cover 2 is installed on the side of the combustion furnace 1, and a charging port 3 is opened on the side cover 2.

[0024] In this embodiment, in order to facilitate the addition of coal, a feeding port 3 is provided on the side cover 2 .

[0025] See attached Figure 2 -Attached Figure 3 A first leakage hole 12 is opened on the upper combustion plate 10 , and a second leakage hole 13 is opened on the lower combustion plate 11 . The diameter of the first leakage hole 12 is larger than that of the second leakage hole 13 .

[0026] In this embodiment, in order to improve the combustion effect and efficiency, coals of different sizes are burned separately. Since the diameter of the first leakage hole 12 is larger than the second leakage hole 13, the larger coal is burned on the upper combustion plate 10, and the smaller coal is burned on the lower combustion plate 11.

[0027] See attached Figure 2 A slag discharge port 14 is also provided at the bottom of the combustion furnace 1.

[0028] In this embodiment, in order to facilitate the treatment of the coal slag after combustion, a slag discharge port 14 is provided at the bottom of the combustion furnace 1 .

[0029] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A clean production and efficient coal calcining system, characterized by: The invention comprises a combustion furnace (1), wherein a blower (4) is installed on the front side of the combustion furnace (1), and symmetrical U-shaped frames (5) are connected to both sides of the blower (4), and the U-shaped frames (5) are installed on both sides and the top of the combustion furnace (1), and the U-shaped frames (5) are provided with multiple groups of nozzles (6) facing the inside of the combustion furnace (1); a smoke exhaust pipe (7) is arranged on the top of the combustion furnace (1), and a shutter fan (8) that opens adaptively is installed at the outlet of the smoke exhaust pipe (7); multiple groups of mounting platforms (9) are arranged on the inner wall of the combustion furnace (1), and an upper combustion plate (10) and a lower combustion plate (11) are arranged on the mounting platforms (9), and the upper combustion plate (10) is located above the lower combustion plate (11); a combustion chamber (15) is opened on the side of the combustion furnace (1), and the combustion chamber (15) is opened on the side of the combustion furnace (1); A motor (16) is mounted on the outer wall of the combustion chamber (15); a rotating frame (17) rotatably arranged in the combustion chamber (15) is mounted on the output shaft of the motor (16); a plurality of nozzles (18) facing the combustion furnace (1) are arranged on the rotating frame (17); the shutter fan (8) comprises a mounting tube (19) and blades (20); the mounting tube (19) is mounted at the outlet of the smoke exhaust pipe (7); the blades (20) are rotatably arranged in the mounting tube (19); linkage rings (23) are movably connected between the blades (20); a boss (21) is fixedly arranged on the mounting tube (19); a spring (22) is arranged on the boss (21); the blades (20) located on the outside are connected to the boss (21) via the spring (22).

2. A clean production and efficient coal calcining system according to claim 1, characterized in that: A side cover (2) is installed on the side of the combustion furnace (1), and a feeding port (3) is provided on the side cover (2).

3. The clean production and high efficiency coal calcining system according to claim 1 is characterized by: The upper combustion plate (10) is provided with a first leakage hole (12), and the lower combustion plate (11) is provided with a second leakage hole (13), and the diameter of the first leakage hole (12) is larger than that of the second leakage hole (13).

4. The clean production and high efficiency coal calcining system according to claim 1 is characterized by: The bottom of the combustion furnace (1) is also provided with a slag discharge port (14).

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