Cement clinker sintering system capable of reducing heat loss

Abstract

The utility model relates to the technical field of cement clinker firing, in particular to a cement clinker firing system capable of reducing heat loss, which comprises a rotary kiln, a top shell is arranged at the top of the rotary kiln, a driving mechanism is arranged on the left side of the top shell, the driving mechanism comprises a side shell, and the right side of the side shell is welded with the top shell. And the front side of the left side of the side shell is connected with a servo motor through a bolt. The supporting frame, the air inlet shell, the air pump, the air spraying shell, the top shell, the movable drawer, an electric heating pipe and a first communicating pipe are arranged and used in cooperation, in the using process, the air pump, the electric heating pipe and a servo motor can be started through an external controller, the electric heating pipe heats air in an inner cavity of the air inlet shell, and the air in the inner cavity of the air inlet shell is heated; the air pump conveys air which is filtered by the first filter plate to remove impurities and heated by the electric heating pipe to the inner cavity of the second communication pipe through the first communication pipe, and then the air is evenly sprayed out to the inner cavity of the top shell through the air spraying shell to preheat the inner cavity of the top shell.

Description

Technical Field

[0001] The utility model relates to the technical field of cement clinker burning, in particular to a cement clinker burning system with reduced heat loss. Background Art

[0002] The cement clinker burning system is a crucial process in cement production. It mainly includes preheating, pre-decomposition, burning, cooling and other links. Its design must take into account the needs of improving product quality and reducing energy consumption. Therefore, it is often necessary to use a cement clinker burning system that reduces heat loss.

[0003] After searching, the announcement number is CN202216538U, and the name is a cement clinker burning system, which includes a preheater, a decomposition furnace, a kiln tail smoke chamber, a rotary kiln, a tertiary air duct in the tower, a tertiary air duct in the kiln, a grate cooler and a kiln head cover. Through research and analysis, it was found that although it has the advantage of effectively avoiding the erosion of high-temperature alkaline gas on thermal equipment, it still has the following disadvantages to a certain extent.

[0004] For example, the cement clinker burning system mentioned above usually does not have a high-efficiency preheating mechanism during use, which leads to high heat energy loss during the burning process, or the material inside the preheating mechanism is usually difficult to clear out, which easily affects the efficiency of the equipment. In order to solve the above technical problems, we have designed a cement clinker burning system that reduces heat loss. Utility Model Content

[0005] The purpose of the utility model is to provide a cement clinker burning system with reduced heat loss, which has the advantages of reducing heat loss by preheating and facilitating the removal of preheated materials, thereby solving the problems of high heat loss of equipment and large amount of residual materials.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a cement clinker burning system for reducing heat loss, comprising a rotary kiln, a top shell being provided on the top of the rotary kiln, a driving mechanism being provided on the left side of the top shell, the driving mechanism comprising a side shell body, the right side of the side shell body being welded to the top shell, a servo motor being connected to the front side of the left side of the side shell body by bolts, a preheating mechanism being provided on the top of the top shell, the preheating mechanism comprising an air intake shell and an air pump, the bottom of the air pump being connected to the top of the top shell by bolts, the bottom of the air intake shell being welded to the top of the top shell, the inner cavity of the top shell being provided with a movable drawer, the inner cavity of the movable drawer being provided with a turning mechanism, and the turning mechanism comprising a rotating rod.

[0007] Preferably, there are two rotating rods, a cross connecting rod is welded on the left side of the rotating rod, the right side of the rotating rod passes through the outside of the movable drawer and is welded with a rotating handle, and the surface of the rotating rod is fixed with an auger blade.

[0008] Preferably, an active rod and a driven shaft are respectively provided on the front and rear sides of the inner cavity of the side shell, the output end of the servo motor passes through the inner cavity of the side shell and is welded to the active rod, and the left side of the driven shaft is movably connected to the inner cavity of the side shell through a bearing.

[0009] Preferably, a transmission wheel is fixedly sleeved on the left side of the active rod surface and the left side of the driven shaft surface, a transmission belt is sleeved on the surface of the transmission wheel, and a cross positioning groove is opened on the right side of the driven shaft and the right side of the active rod.

[0010] Preferably, support frames are fixedly sleeved on both sides of the surface of the rotary kiln, and the top of the support frame is welded to the bottom of the top shell.

[0011] Preferably, a first filter plate is installed through the front side of the air intake shell, and an electric heating pipe is connected to the front side of the inner cavity of the air intake shell by bolts.

[0012] Preferably, the left side of the air pump is connected to a first connecting pipe, the right side of the air pump is connected to a second connecting pipe, the left side of the first connecting pipe is connected to the air inlet shell, the right side of the second connecting pipe is connected to the jet shell, the bottom of the jet shell passes through the inner cavity of the rotary kiln, and the left side of the top of the top shell is connected to the exhaust pipe.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0014] The utility model is provided with a support frame, an air intake shell, an air pump, an air jet shell, a top shell, a movable drawer, an electric heating pipe and a first connecting pipe for coordinated use. During use, the air pump, the electric heating pipe and the servo motor can be started by an external controller, the electric heating pipe heats the gas in the inner cavity of the air intake shell, the air pump sends the gas filtered and removed by the first filter plate and heated by the electric heating pipe to the inner cavity of the second connecting pipe through the first connecting pipe, and then evenly sprays the gas to the inner cavity of the top shell through the air jet shell to preheat its inner cavity.

[0015] The utility model is provided with an auger blade, a rotating rod, a rotating handle, a servo motor, a side shell, a transmission belt, an active rod, a transmission wheel and a cross positioning groove. During use, the rear transmission wheel can be driven by the transmission belt to rotate, thereby driving the driven shaft to rotate. The driven shaft and the active rod respectively drive the corresponding rotating rod to rotate, thereby completing the turning of the material through the auger blade transmission, thereby improving the preheating effect of its main body. When the preheating is completed, the user pulls out the movable drawer to the right, and then manually rotates the rotating handle to drive the rotating rod to rotate, thereby pushing the material out through the auger blade transmission. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2 It is a three-dimensional bottom-view cross-sectional schematic diagram of the local structure of the utility model;

[0018] Figure 3 It is a three-dimensional top view and cross-sectional schematic diagram of the local structure of the utility model;

[0019] Figure 4 It is a three-dimensional axonometric diagram of the local structure of the utility model.

[0020] In the figure: 1. Rotary kiln; 2. Support frame; 3. Air inlet shell; 4. Air pump; 5. Jet shell; 6. Top shell; 7. Movable drawer; 8. Electric heating pipe; 9. First connecting pipe; 10. Second connecting pipe; 11. First filter plate; 12. Exhaust duct; 13. Cross plug-in rod; 14. Auger blade; 15. Rotating rod; 16. Rotating handle; 17. Servo motor; 18. Side shell; 19. Transmission belt; 20. Active rod; 21. Transmission wheel; 22. Cross positioning groove; 23. Driven shaft; 24. Driving mechanism; 25. Turning mechanism; 26. Preheating mechanism. DETAILED DESCRIPTION

[0021] See also Figures 1-4 A cement clinker burning system for reducing heat loss includes a rotary kiln 1, a top shell 6 is provided on the top of the rotary kiln 1, a driving mechanism 24 is provided on the left side of the top shell 6, the driving mechanism 24 includes a side shell 18, the right side of the side shell 18 is welded to the top shell 6, and the front side of the left side of the side shell 18 is connected to the servo motor 17 by bolts, a preheating mechanism 26 is provided on the top of the top shell 6, the preheating mechanism 26 includes an air intake shell 3 and an air pump 4, the bottom of the air pump 4 is connected to the top of the top shell 6 by bolts, the bottom of the air intake shell 3 is welded to the top of the top shell 6, the inner cavity of the top shell 6 is provided with a movable drawer 7, the inner cavity of the movable drawer 7 is provided with a turning mechanism 25, and the turning mechanism 25 includes a rotating rod 15.

[0022] See also Figure 3There are two rotating rods 15, and a cross connecting rod 13 is welded on the left side of the rotating rod 15. By setting the cross connecting rod 13 and the cross positioning groove 22, the transmission stability between them can be improved by plugging and matching. The right side of the rotating rod 15 passes through the outside of the movable drawer 7 and is welded with a rotating handle 16. By setting the rotating handle 16, it is convenient for the user to hold it, thereby improving the convenience of manually rotating the rotating rod 15. The surface of the rotating rod 15 is fixedly sleeved with a auger blade 14.

[0023] See also Figure 4 An active rod 20 and a driven shaft 23 are respectively provided on the front and rear sides of the inner cavity of the side shell 18. The output end of the servo motor 17 passes through the inner cavity of the side shell 18 and is welded to the active rod 20. The left side of the driven shaft 23 is movably connected to the connection with the inner cavity of the side shell 18 through a bearing. By setting the bearing, the driven shaft 23 can be balanced and supported, thereby improving the installation stability of the driven shaft 23.

[0024] See also Figure 4 The left side of the surface of the active rod 20 and the left side of the surface of the driven shaft 23 are fixedly sleeved with a transmission wheel 21, the surface of the transmission wheel 21 is sleeved with a transmission belt 19, and the right side of the driven shaft 23 and the right side of the active rod 20 are provided with a cross positioning groove 22.

[0025] See also Figure 1 Support frames 2 are fixedly sleeved on both sides of the surface of the rotary kiln 1, and the top of the support frame 2 is welded to the bottom of the top shell 6.

[0026] See also Figure 2 A first filter plate 11 is installed through the front side of the air intake shell 3, and an electric heating pipe 8 is connected to the front side of the inner cavity of the air intake shell 3 by bolts.

[0027] See also Figure 2 The left side of the air pump 4 is connected to a first connecting pipe 9, the right side of the air pump 4 is connected to a second connecting pipe 10, the left side of the first connecting pipe 9 is connected to the air inlet shell 3, the right side of the second connecting pipe 10 is connected to the jet shell 5, the bottom of the jet shell 5 passes through the inner cavity of the rotary kiln 1, and the left side of the top of the top shell 6 is connected to the exhaust pipe 12. By setting the exhaust pipe 12, the air after preheating can be filtered and the filtered excess gas can be discharged to the outside.

[0028] During use, the user puts the material to be preheated into the inner cavity of the movable drawer 7, and then sends the movable drawer 7 into the inner cavity of the top shell 6, so that the cross connecting rod 13 is stuck in the inner cavity of the corresponding cross positioning groove 22, and then the user starts the air pump 4, the electric heating tube 8 and the servo motor 17 through the external controller, and the electric heating tube 8 heats the gas in the inner cavity of the air inlet shell 3. The air pump 4 filters and removes impurities through the first filter plate 11 and sends the gas heated by the electric heating tube 8 to the inner cavity of the second connecting tube 10 through the first connecting tube 9, and then evenly sprays it into the inner cavity of the top shell 6 through the jet shell 5 to preheat its inner cavity. During the process, the output end of the servo motor 17 drives the front transmission wheel 21 to rotate through the active rod 20, thereby driving the rear transmission wheel 21 to rotate through the transmission belt 19, thereby driving the driven shaft 23 to rotate, and the driven shaft 23 and the active rod 20 respectively drive the corresponding rotating rod 15 to rotate, thereby completing the turning of the material through the auger blade 14 transmission, thereby improving the preheating effect of its main body. When the preheating is completed, the user pulls out the movable drawer 7 to the right, and then manually rotates the rotating handle 16 to drive the rotating rod 15 to rotate, thereby pushing the material out through the auger blade 14 transmission.

[0029] In summary: the cement clinker burning system with reduced heat loss solves the problems of high heat loss of the equipment and large amount of material residue by arranging the air inlet shell 3, the air pump 4, the jet shell 5, the top shell 6, the movable drawer 7, the electric heating pipe 8, the first connecting pipe 9, the second connecting pipe 10, the first filter plate 11, the exhaust pipe 12, the cross plug rod 13 and the auger blade 14.

Claims

1. A cement clinker burning system with reduced heat loss, comprising a rotary kiln (1), characterized in that: The rotary kiln (1) is provided with a top shell (6) on the top, and a driving mechanism (24) is provided on the left side of the top shell (6). The driving mechanism (24) includes a side shell (18), the right side of the side shell (18) is welded to the top shell (6), and the front side of the left side of the side shell (18) is connected to a servo motor (17) by bolts. The top of the top shell (6) is provided with a preheating mechanism (26), and the preheating mechanism (26) includes an air intake shell (3) and an air pump (4). The bottom of the air pump (4) is connected to the top of the top shell (6) by bolts, and the bottom of the air intake shell (3) is welded to the top of the top shell (6). The inner cavity of the top shell (6) is provided with a movable drawer (7), and the inner cavity of the movable drawer (7) is provided with a turning mechanism (25), and the turning mechanism (25) includes a rotating rod (15).

2. The cement clinker burning system with reduced heat loss according to claim 1, characterized in that: There are two rotating rods (15), a cross connecting rod (13) is welded to the left side of the rotating rod (15), and a rotating handle (16) is welded to the right side of the rotating rod (15) extending through the outside of the movable drawer (7). A screw blade (14) is fixedly sleeved on the surface of the rotating rod (15).

3. The cement clinker burning system with reduced heat loss according to claim 1, characterized in that: An active rod (20) and a driven shaft (23) are respectively provided on the front and rear sides of the inner cavity of the side housing (18). The output end of the servo motor (17) passes through the inner cavity of the side housing (18) and is welded to the active rod (20). The left side of the driven shaft (23) is movably connected to the inner cavity of the side housing (18) through a bearing.

4. The cement clinker burning system with reduced heat loss according to claim 3, characterized in that: A transmission wheel (21) is fixedly sleeved on the left side of the surface of the active rod (20) and the left side of the surface of the driven shaft (23), and a transmission belt (19) is sleeved on the surface of the transmission wheel (21). A cross positioning groove (22) is provided on the right side of the driven shaft (23) and the right side of the active rod (20).

5. The cement clinker burning system with reduced heat loss according to claim 1, characterized in that: Support frames (2) are fixedly sleeved on both sides of the surface of the rotary kiln (1), and the top of the support frame (2) is welded to the bottom of the top shell (6).

6. The cement clinker burning system with reduced heat loss according to claim 1, characterized in that: A first filter plate (11) is installed through the front side of the air intake shell (3), and an electric heating pipe (8) is connected to the front side of the inner cavity of the air intake shell (3) via bolts.

7. The cement clinker burning system with reduced heat loss according to claim 1, characterized in that: The left side of the air pump (4) is connected to a first connecting pipe (9), and the right side of the air pump (4) is connected to a second connecting pipe (10). The left side of the first connecting pipe (9) is connected to the air inlet shell (3), and the right side of the second connecting pipe (10) is connected to the jet shell (5). The bottom of the jet shell (5) passes through the inner cavity of the rotary kiln (1), and the left side of the top of the top shell (6) is connected to an exhaust pipe (12).

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