Kiln tail quenching chamber capable of controlling air volume

Abstract

The utility model discloses a kiln tail quenching chamber capable of controlling air volume, which comprises a quenching chamber, one side of the quenching chamber is provided with a cold air cylinder, an air inlet pipe is connected between the cold air cylinder and the quenching chamber, one end of the cold air cylinder is provided with an air cooler, an air inlet is arranged between one end of the air inlet pipe and the quenching chamber, and the other end of the air inlet pipe is provided with an air outlet. A sealing cover plate is mounted on the surface of the air inlet, a cavity channel is formed in the air inlet, a rotating seat is mounted in the cavity channel, a rotating shaft is connected to the surface of the rotating seat, and a turning plate is connected to the lower end of the rotating shaft; the air cooler puts cold air into the quenching chamber through a cold air barrel and an air inlet pipe, a turning plate is arranged in an air inlet used for air releasing and formed in the air inlet pipe, the internal area of the air inlet can be adjusted through rotation of the turning plate, meanwhile, the air releasing amount of the cold air is controlled, the mixing proportion between the cold air and smoke is adjusted, and the smoke is prevented from entering the quenching chamber. Therefore, the cooling temperature and speed are controlled, and volatile components in the smoke dust can be condensed on dust in the smoke gas.

Description

Technical Field

[0001] The utility model relates to the technical field of cement production equipment, in particular to a kiln tail quenching chamber capable of controlling air volume. Background Art

[0002] In the cement production process, cement kiln equipment is used to calcine cement clinker. The cement kiln is divided into a kiln head and a kiln tail. In the structure of the kiln tail, a quenching chamber is installed to cool the high-temperature flue gas in the kiln and complete the cooling and discharge. Therefore, the quenching chamber at the kiln tail plays an important role.

[0003] The existing kiln tail quenching chamber is not conducive to controlling the discharge volume of cold air when cooling the flue gas, which affects the cooling temperature control effect after the cold air and hot flue gas are mixed, and is further not conducive to controlling the chloride ion content in the flue gas, resulting in poor condensation of volatile components in the flue gas on the dust in the flue gas, making it difficult to separate the volatile molecules during subsequent dust separation.

[0004] Therefore, those skilled in the art provide a kiln tail quenching chamber capable of controlling the air volume to solve the problems raised in the above-mentioned background technology. Utility Model Content

[0005] The utility model aims to provide a kiln tail quenching chamber with controllable air volume, so as to solve the problem that the existing kiln tail quenching chamber proposed in the above background technology is not conducive to controlling the air intake volume, resulting in poor condensation effect of volatile components in the smoke on the dust in the smoke.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A kiln tail quenching chamber capable of controlling air volume comprises: a quenching chamber, a cold air cylinder is installed on one side of the quenching chamber, and an air inlet pipe is connected between the cold air cylinder and the quenching chamber, a cold air blower is installed at one end of the cold air cylinder, an air inlet is arranged between one end of the air inlet pipe and the quenching chamber, a sealing cover plate is installed on the surface of the air inlet, and a cavity is arranged inside the air inlet, a swivel seat is installed inside the cavity, and a rotating shaft is connected to the surface of the swivel seat, a flap is connected to the lower end of the rotating shaft, a hydraulic cylinder is movably connected to the upper surface of the swivel seat, a cold air valve is connected to the right side of the quenching chamber, and a cyclone separator is installed at the end of the cold air valve away from the quenching chamber, and an ash hopper discharge pipe is connected to the lower end of the cyclone separator.

[0008] As a further solution of the present invention, the lower end of the quenching chamber is connected to a flue gas duct, and a control valve is installed between the flue gas duct and the lower end of the quenching chamber.

[0009] As a further solution in the present invention, the upper end of the cyclone separator is connected to an outlet pipe, and the upper end of the outlet pipe is connected to exhaust pipe 1, exhaust pipe 2 is arranged below exhaust pipe 1, and a solenoid valve is installed on the surface of exhaust pipe 2.

[0010] As a further solution of the present invention, the right ends of the exhaust pipe 1 and the exhaust pipe 2 are connected with a bellows, and an exhaust port is installed on the surface of the bellows, and a fan is installed inside the exhaust port.

[0011] As a further solution of the present invention, the rotating seat is connected to the flap via a rotating shaft, and the flap is movably connected to the inner wall of the air inlet via the rotating shaft.

[0012] As a further solution of the present invention, the flaps are distributed in a ring shape with respect to the center line of the air inlet, and the air inlet and the air inlet pipe are equidistantly distributed along the cold air cylinder.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The air cooler puts cold air into the quenching chamber through the cold air cylinder and the air inlet pipe. The air inlet on the air inlet pipe is provided with a flap. The internal area of ​​the air inlet can be adjusted by rotating the flap, and the air discharge volume of the cold air can be controlled at the same time, which is conducive to adjusting the mixing ratio between the cold air and the flue gas, thereby controlling the cooling temperature and speed, so that the volatile components in the smoke can be condensed on the dust in the flue gas, and then enter the cyclone separator through the cold air valve. The cyclone separator is used to separate the smoke from the smoke, and the volatile components condensed on the dust in the smoke can be discharged from the ash hopper exhaust pipe into the dust collector along with the dust.

[0015] 2. The flue gas in the quenching chamber enters the cyclone separator, and the fine particles are cooled to below a certain temperature. They are processed and collected by the bag dust collector inside the cyclone separator. The remaining purified air enters the exhaust duct through the outlet pipe and is then discharged through the exhaust port. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of a kiln tail quenching chamber with controllable air volume.

[0017] Figure 2 The present invention is a schematic diagram of the structure of an air inlet in a kiln tail quenching chamber capable of controlling the air volume.

[0018] Figure 3 The present invention is a schematic diagram of the split structure of an air inlet in a kiln tail quenching chamber capable of controlling the air volume.

[0019] Figure 4 It is a kiln tail quenching chamber with controllable air volume. Figure 3 A schematic diagram of the enlarged structure of part A.

[0020] In the figure: 1. quenching chamber; 2. flue gas duct; 3. control valve; 4. cold air duct; 5. cold air fan; 6. air inlet pipe; 7. air inlet; 8. cold air valve; 9. cyclone separator; 10. ash hopper discharge pipe; 11. outlet pipe; 12. exhaust pipe one; 13. exhaust pipe two; 14. solenoid valve; 15. bellows; 16. exhaust port; 17. fan; 18. sealing cover plate; 19. flap; 20. rotating shaft; 21. cavity; 22. swivel seat; 23. hydraulic cylinder. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1 to Figure 4 The utility model provides a kiln tail quenching chamber with controllable air volume, comprising: a quenching chamber 1, a flue gas pipe 2 is connected to the lower end of the quenching chamber 1, and a control valve 3 is installed between the flue gas pipe 2 and the lower end of the quenching chamber 1, a cold air cylinder 4 is installed on one side of the quenching chamber 1, and an air inlet pipe 6 is connected between the cold air cylinder 4 and the quenching chamber 1, a cold air blower 5 is installed at one end of the cold air cylinder 4, an air inlet 7 is arranged between one end of the air inlet pipe 6 and the quenching chamber 1, a sealing cover plate 18 is installed on the surface of the air inlet 7, and the air inlet 7 is A cavity 21 is provided inside, a swivel seat 22 is installed inside the cavity 21, and a rotating shaft 20 is connected to the surface of the swivel seat 22, the lower end of the rotating shaft 20 is connected to the flap 19, and a hydraulic cylinder 23 is movably connected to the upper surface of the swivel seat 22, the swivel seat 22 is connected to the flap 19 through the rotating shaft 20, and the flap 19 is movably connected to the inner wall of the air inlet 7 through the rotating shaft 20, the flap 19 is distributed in a ring shape with respect to the center line of the air inlet 7, and the air inlet 7 and the air inlet pipe 6 are equidistantly distributed along the cold air cylinder 4;

[0023] Specifically, the cold air in the cold air tube 4 enters the interior of the quenching chamber 1 from the air inlet 7. The air inlet 7 is movably provided with a flap 19. The hydraulic cylinder 23 pulls the swivel seat 22 to rotate. When rotating, the flap 19 is rotated by the rotating shaft 20, thereby adjusting the angle of the flap 19, controlling the passable area of ​​the air inlet 7, and then controlling the discharge volume of the cold air.

[0024] A cold air valve 8 is connected to the right side of the quenching chamber 1, and a cyclone separator 9 is installed at one end of the cold air valve 8 away from the quenching chamber 1, a ash hopper discharge pipe 10 is connected to the lower end of the cyclone separator 9, an outlet pipe 11 is connected to the upper end of the cyclone separator 9, and an exhaust pipe 12 is connected to the upper end of the outlet pipe 11, an exhaust pipe 13 is arranged below the exhaust pipe 12, a solenoid valve 14 is installed on the surface of the exhaust pipe 13, a bellows 15 is connected to the right ends of the exhaust pipe 12 and the exhaust pipe 13, and an exhaust port 16 is installed on the surface of the bellows 15, and a fan 17 is installed inside the exhaust port 16;

[0025] Specifically, by setting up the cyclone separator 9, the cyclone separator 9 is used to separate the smoke and dust from the cooled flue gas, so that the dust can be separated and collected, which is conducive to discharging the volatile components condensed on the dust together, thereby reducing the emission components of the flue gas. The flue gas separated by the cyclone separator 9 is discharged into the bellows 15 through the outlet pipe 11 and the exhaust pipe 1 12 and the exhaust pipe 2 13. Two sets of bellows 15 are used for exhaust to improve the exhaust efficiency.

[0026] The working principle of the utility model is:

[0027] When the utility model is used, the control valve 3 is opened, and the smoke enters the interior of the quenching chamber 1 through the smoke duct 2. At the same time, the cold air blown by the air cooler 5 enters the interior of the quenching chamber 1 through the cold air cylinder 4 and the air inlet pipe 6 to mix with the high-temperature smoke. When the cold air passes through the air inlet 7, the hydraulic cylinder 23 pulls the rotating seat 22 to rotate, and the flap 19 is rotated by the rotating shaft 20 during rotation. When the flap 19 is parallel to the air inlet 7, the air inlet 7 is closed and the ventilation area is reduced. When the flap 19 is perpendicular to the plane of the air inlet 7, the internal channel of the air inlet 7 is opened, and the air discharge volume is increased. Then, by adjusting the angle of the flap 19, the air inlet 7 can be controlled. The passable area of ​​the air outlet 7 controls the discharge volume of the cold air. Secondly, after the cold air is mixed with the high-temperature flue gas, the high-temperature flue gas is cooled and cooled down, and enters the interior of the cyclone separator 9 through the cold air valve 8. The flue gas is processed and collected by the bag dust collector inside the cyclone separator 9, and the dust will be discharged from the ash hopper exhaust pipe 10. Thirdly, the air purified by the cyclone separator 9 is discharged from the outlet pipe 11, and enters the exhaust pipe 12 and the exhaust pipe 2 13. The exhaust pipe 12 and the exhaust pipe 2 13 are used to discharge the air into the bellows 15, and the fan 17 installed inside the exhaust outlet 16 is used to release the purified flue gas in the bellows 15.

[0028] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A kiln tail quenching chamber capable of controlling air volume, characterized in that: include: A quenching chamber (1), wherein a cold air cylinder (4) is installed on one side of the quenching chamber (1), and an air inlet pipe (6) is connected between the cold air cylinder (4) and the quenching chamber (1), a cold air machine (5) is installed at one end of the cold air cylinder (4), an air inlet (7) is arranged between one end of the air inlet pipe (6) and the quenching chamber (1), a sealing cover plate (18) is installed on the surface of the air inlet (7), and a cavity (21) is arranged inside the air inlet (7), and the cavity (21) A swivel seat (22) is installed inside the quenching chamber (1), and a rotating shaft (20) is connected to the surface of the swivel seat (22). The lower end of the rotating shaft (20) is connected to a flap (19). The upper surface of the swivel seat (22) is movably connected to a hydraulic cylinder (23). A cold air valve (8) is connected to the right side of the quenching chamber (1), and a cyclone separator (9) is installed at one end of the cold air valve (8) away from the quenching chamber (1). The lower end of the cyclone separator (9) is connected to an ash hopper discharge pipe (10).

2. The kiln tail quenching chamber with controllable air volume according to claim 1, characterized in that: The lower end of the quenching chamber (1) is connected to a flue gas duct (2), and a control valve (3) is installed between the flue gas duct (2) and the lower end of the quenching chamber (1).

3. The kiln tail quenching chamber with controllable air volume according to claim 1, characterized in that: The upper end of the cyclone separator (9) is connected to an outlet pipe (11), and the upper end of the outlet pipe (11) is connected to an exhaust pipe 1 (12). An exhaust pipe 2 (13) is arranged below the exhaust pipe 1 (12), and a solenoid valve (14) is installed on the surface of the exhaust pipe 2 (13).

4. The kiln tail quenching chamber with controllable air volume according to claim 3, characterized in that: The right ends of the exhaust pipe 1 (12) and the exhaust pipe 2 (13) are connected to a bellows (15), and an exhaust port (16) is installed on the surface of the bellows (15), and a fan (17) is installed inside the exhaust port (16).

5. The kiln tail quenching chamber with controllable air volume according to claim 1, characterized in that: The rotating seat (22) is connected to the flap (19) via the rotating shaft (20), and the flap (19) is movably connected to the inner wall of the air inlet (7) via the rotating shaft (20).

6. The kiln tail quenching chamber with controllable air volume according to claim 1, characterized in that: The flaps (19) are distributed in a ring shape with respect to the center line of the air inlet (7), and the air inlet (7) and the air inlet pipe (6) are distributed at equal distances along the cold air cylinder (4).

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