Rotary kiln waste heat utilization device

Abstract

The utility model relates to the technical field of rotary kilns, in particular to a rotary kiln waste heat utilization device which comprises a main body, an air inlet pipe is arranged on one side of the main body, a smoke chamber is arranged in the main body, a heating layer is arranged at the top end of the smoke chamber, an air outlet is formed in one side of the main body, and the air inlet pipe is communicated with the smoke chamber. The smoke chamber is communicated with an air outlet, a filter is arranged in the air outlet, a limiting mechanism is arranged at the top end of the air outlet, a heating cavity is formed in the top end of the main body, a positioning plate is arranged at the top end of the heating cavity, a heating box is arranged in the heating cavity, and a cavity is formed in one side of the heating cavity; and a fixing mechanism is arranged in the cavity. Through the fixing mechanism, the stability of the heating box in the heating cavity is improved, the situation that the heating box shakes in the heating cavity and influences the heating effect is avoided, through the limiting mechanism, the filter is convenient to replace, and the use convenience of the filter is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of rotary kilns, in particular to a rotary kiln waste heat utilization device. Background Art

[0002] The rotary kiln is one of the commonly used calcining equipment. When using the rotary kiln to calcine materials, it is necessary to feed the rotary kiln stably. Because the feed port of the rotary kiln is connected to the feeding hopper, the required materials need to be poured into the feed port. When processing materials in the rotary kiln, the waste heat of the materials should be removed.

[0003] In a rotary kiln waste heat device with the Chinese utility model patent application disclosure specification CN206176985U, although it has the advantages of improving the heat utilization of the rotary kiln and saving energy, on the other hand, a spiral channel is set in the material box, and the material box is rotatable, so that the material can be transported to the rotary kiln while the waste heat is being produced, which has the advantages of energy saving and environmental protection, but it does not solve the problems of the heating box shaking inside the heating chamber, affecting the heating effect; it is inconvenient to replace the filter, and the filter is not convenient to use. Utility Model Content

[0004] The purpose of the utility model is to provide a rotary kiln waste heat utilization device to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A rotary kiln waste heat utilization device comprises a main body, an air inlet pipe is arranged on one side of the main body, a smoke chamber is arranged inside the main body, a heating layer is arranged on the top of the smoke chamber, an air outlet is arranged on one side of the main body, the air inlet pipe is connected with the smoke chamber, the smoke chamber is connected with the air outlet, a filter is arranged inside the air outlet, a limiting mechanism is arranged on the top of the air outlet, a heating cavity is opened on the top of the main body, a positioning plate is arranged on the top of the heating cavity, a heating box is arranged inside the heating cavity, a cavity is opened on one side of the heating cavity, and a fixing mechanism is arranged inside the cavity.

[0007] The limiting mechanism includes a limiting groove, a groove, a limiting block, a spring and a damper. The filter top is provided with a limiting groove, the air outlet top is provided with a groove, a limiting block is arranged inside the groove, one end of the limiting block is arranged inside the limiting groove, springs are arranged on both sides of the top of the limiting block, and a damper is arranged at one end of the spring.

[0008] The fixing mechanism includes a screw, a movable block, a positioning rod, a fixed block and a limiting rod. A screw is arranged inside the cavity, a movable block is sleeved on one end of the screw, a positioning rod is fixedly arranged inside the cavity through the movable block, a fixed block is arranged on one side of the cavity, a limiting rod is arranged inside the cavity through the fixed block, and one end of the fixed block passes through the cavity and is arranged inside the heating cavity.

[0009] A pull ring is arranged at the top of the limit block, and one end of the pull ring passes through the main body and is arranged at the top of the main body.

[0010] One side of the movable block is arranged in a trapezoidal shape, and one side of the fixed block is arranged in a trapezoidal shape.

[0011] One end of the screw rod passes through the main body and is arranged at the top end of the main body, and one end of the screw rod is provided with a handle.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. A rotary kiln waste heat utilization device, wherein the raw materials requiring waste heat are placed in the heating box, and then the heating box is placed in the drying chamber, and the handle is turned to drive the movable block to move through the screw, and the positioning rod passes through the movable block, so that the movable block can only slide along the direction of the positioning rod, and the trapezoidal arrangement of the movable block and the fixed block makes it easy for the movable block to push the fixed block to move, so that one side of the fixed block contacts the heating box, and the heating box is fixed in the heating chamber through the positioning plate. After the waste heat is finished, the heating box needs to be taken out, and the handle is turned to drive the movable block to move through the screw, and then the heating box is pulled toward the fixed block, and the fixed block is pushed back into the cavity, and then the heating box is taken out. Through the above device, the stability of the heating box in the heating chamber is improved through the fixing mechanism, and the shaking of the heating box in the heating chamber is avoided to affect the heating effect.

[0014] 2. In a rotary kiln waste heat utilization device, after the high-temperature exhaust gas is heated in the smoke chamber, it needs to be discharged from the air outlet. Since the high-temperature exhaust gas contains a lot of harmful gases, it needs to be filtered through a filter. The filter needs to be replaced after a period of use. At this time, the pull ring is pulled to move the limit block out of the limit groove, cancel the limit on the filter, replace the filter to the inside of the air outlet, and then release the pull ring. The limit block is pushed through the spring and the damper so that the limit block is located inside the limit groove to limit the filter. Through the above device, through the limit mechanism, it is easy to replace the filter, thereby improving the convenience of using the filter. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a front structural sectional view of the utility model;

[0017] Figure 3 For this utility model Figure 2 The enlarged schematic diagram of point A in the middle;

[0018] Figure 4 For this utility model Figure 2 A magnified schematic diagram of point B in the middle.

[0019] In the figure: 1. main body; 2. air inlet pipe; 3. smoke chamber; 4. heating layer; 5. air outlet; 6. filter; 7. heating chamber; 8. positioning plate; 9. heating box; 10. cavity; 11. limiting groove; 12. groove; 13. limiting block; 14. spring; 15. damper; 16. screw; 17. movable block; 18. positioning rod; 19. fixed block; 20. limiting rod; 21. pull ring; 22. handle. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figure 1-Figure 4 As shown, a technical solution provided by the utility model:

[0022] A rotary kiln waste heat utilization device comprises a main body 1, an air inlet pipe 2 is arranged on one side of the main body 1, a smoke chamber 3 is arranged inside the main body 1, a heating layer 4 is arranged on the top of the smoke chamber 3, an air outlet 5 is arranged on one side of the main body 1, the air inlet pipe 2 is connected with the smoke chamber 3, the smoke chamber 3 is connected with the air outlet 5, a filter 6 is arranged inside the air outlet 5, a limiting mechanism is arranged on the top of the air outlet 5, a heating chamber 7 is opened on the top of the main body 1, a positioning plate 8 is arranged on the top of the heating chamber 7, a heating box 9 is arranged inside the heating chamber 7, a cavity 10 is opened on one side of the heating chamber 7, a fixing mechanism is arranged inside the cavity 10, through the above device, the raw materials requiring waste heat are placed inside the heating box 9, and then the heating box 9 is placed in the drying chamber The heating box 9 is fixed inside the heating chamber 7 through a fixing mechanism, and the high-temperature exhaust gas generated when the rotary kiln is in use is input into the smoke chamber 3 through the air inlet pipe 2, and the heat is transferred to the inside of the heating box 9 through the heating layer 4 to heat the raw materials. After the waste heat is finished, the heating box 9 needs to be taken out, and the heating box 9 is taken out again through the fixing mechanism. After the high-temperature exhaust gas is heated in the smoke chamber 3, it needs to be discharged from the air outlet 5. Since the high-temperature exhaust gas contains a lot of harmful gases, it needs to be filtered through the filter 6. The filter 6 needs to be replaced after a period of use. The limit mechanism is used to cancel the limit of the filter 6, and the filter 6 is replaced to the inside of the air outlet 5, and the filter 6 is limited by the limit mechanism.

[0023] In the present embodiment, preferably, the limiting mechanism includes a limiting groove 11, a groove 12, a limiting block 13, a spring 14 and a damper 15. The limiting groove 11 is opened at the top of the filter 6, and the groove 12 is opened at the top of the air outlet 5. The limiting block 13 is arranged inside the groove 12. One end of the limiting block 13 is arranged inside the limiting groove 11. Springs 14 are arranged on both sides of the top of the limiting block 13, and a damper 15 is arranged at one end of the spring 14. Through the above-mentioned device, the limiting block 13 is moved out of the limiting groove 11, the limitation of the filter 6 is cancelled, and the filter 6 is replaced to the inside of the air outlet 5. Through the spring 14 and the damper 15, the limiting block 13 is pushed so that the limiting block 13 is located inside the limiting groove 11 to limit the filter 6.

[0024] In this embodiment, preferably, the fixing mechanism includes a screw 16, a movable block 17, a positioning rod 18, a fixed block 19 and a limiting rod 20. The screw 16 is arranged inside the cavity 10, and the movable block 17 is sleeved on one end of the screw 16. The positioning rod 18 is fixedly arranged inside the cavity 10 through the movable block 17. A fixed block 19 is arranged on one side of the cavity 10. A limiting rod 20 is arranged inside the cavity 10 through the fixed block 19. One end of the fixed block 19 passes through the cavity 10 and is arranged inside the heating chamber 7. Through the above device, the heating box 9 is placed inside the drying chamber. , the movable block 17 is driven to move by the screw 16, and the positioning rod 18 passes through the movable block 17, so that the movable block 17 can only slide along the direction of the positioning rod 18, and the fixed block 19 is pushed to move by the movable block 17, so that one side of the fixed block 19 contacts with the heating box 9, and the heating box 9 is fixed in the heating chamber 7 by the positioning plate 8. After the residual heat is finished, the heating box 9 needs to be taken out, and the movable block 17 is driven to move by the screw 16, and then the heating box 9 is pulled toward the fixed block 19, and the fixed block 19 is pushed back to the inside of the cavity 10, and then the heating box 9 is taken out.

[0025] In this embodiment, preferably, a pull ring 21 is provided at the top of the limit block 13 , and one end of the pull ring 21 passes through the main body 1 and is provided at the top of the main body 1 . Through the above device, the limit block 13 can be easily moved through the pull ring 21 .

[0026] In this embodiment, preferably, one side of the movable block 17 is set in a trapezoidal shape, and one side of the fixed block 19 is set in a trapezoidal shape. Through the above device, it is easy to push the fixed block 19 when the movable block 17 moves.

[0027] In this embodiment, preferably, one end of the screw rod 16 passes through the main body 1 and is arranged at the top of the main body 1 , and a handle 22 is provided at one end of the screw rod 16 . Through the above device, the screw rod 16 can be easily rotated through the handle 22 .

[0028] When the rotary kiln waste heat utilization device of the present embodiment is used, the raw materials requiring waste heat are placed in the heating box 9, and then the heating box 9 is placed in the drying chamber. The handle 22 is turned to drive the movable block 17 to move through the screw 16, and the positioning rod 18 passes through the movable block 17, so that the movable block 17 can only slide along the direction of the positioning rod 18. The trapezoidal arrangement of the movable block 17 and the fixed block 19 makes it easy for the movable block 17 to push the fixed block 19 to move, so that one side of the fixed block 19 contacts the heating box 9, and the heating box 9 is fixed in the heating chamber 7 through the positioning plate 8. The high-temperature exhaust gas generated when the rotary kiln is in use is input into the smoke chamber 3 through the air inlet pipe 2, and the heat is transferred to the inside of the heating box 9 through the heating layer 4 to waste heat the raw materials. After the waste heat is finished, the heating box 9 needs to be taken out, and the handle 22 is turned to drive the movable block 17 to move through the screw 16, and then the heating box 9 is pulled toward the fixed block 19, and the fixed block 19 is pushed back into the cavity 10, and then the heating box 9 is taken out. Through the above device, the stability of the heating box 9 in the heating chamber 7 is improved through the fixing mechanism, so as to avoid the heating box 9 shaking in the heating chamber 7 and affecting the heating effect.

[0029] After the high-temperature exhaust gas is heated in the smoke chamber 3, it needs to be discharged from the air outlet 5. Since the high-temperature exhaust gas contains a lot of harmful gases, it needs to be filtered through the filter 6. The filter 6 needs to be replaced after a period of use. At this time, pull the pull ring 21 to move the limit block 13 out of the limit groove 11, cancel the limit on the filter 6, replace the filter 6 to the inside of the air outlet 5, and then release the pull ring 21. Through the spring 14 and the damper 15, push the limit block 13 so that the limit block 13 is located inside the limit groove 11 to limit the filter 6. Through the above-mentioned device, through the limiting mechanism, it is convenient to replace the filter 6, thereby improving the convenience of using the filter 6.

[0030] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A rotary kiln waste heat utilization device, comprising a main body (1), characterized in that: An air inlet pipe (2) is arranged on one side of the main body (1), a smoke chamber (3) is arranged inside the main body (1), a heating layer (4) is arranged at the top of the smoke chamber (3), an air outlet (5) is arranged on one side of the main body (1), the air inlet pipe (2) is connected to the smoke chamber (3), the smoke chamber (3) is connected to the air outlet (5), a filter (6) is arranged inside the air outlet (5), a limiting mechanism is arranged at the top of the air outlet (5), a heating chamber (7) is opened at the top of the main body (1), a positioning plate (8) is arranged at the top of the heating chamber (7), a heating box (9) is arranged inside the heating chamber (7), a cavity (10) is opened on one side of the heating chamber (7), and a fixing mechanism is arranged inside the cavity (10).

2. A rotary kiln waste heat utilization device according to claim 1, characterized in that: The limiting mechanism comprises a limiting groove (11), a groove (12), a limiting block (13), a spring (14) and a damper (15); the filter (6) has a limiting groove (11) at its top end, the air outlet (5) has a groove (12) at its top end, a limiting block (13) is arranged inside the groove (12), one end of the limiting block (13) is arranged inside the limiting groove (11), springs (14) are arranged on both sides of the top end of the limiting block (13), and a damper (15) is arranged at one end of the spring (14).

3. The rotary kiln waste heat utilization device according to claim 1, characterized in that: The fixing mechanism comprises a screw rod (16), a movable block (17), a positioning rod (18), a fixed block (19) and a limiting rod (20); a screw rod (16) is arranged inside the cavity (10); a movable block (17) is sleeved on one end of the screw rod (16); a positioning rod (18) is fixedly arranged inside the cavity (10) and passes through the movable block (17); a fixed block (19) is arranged on one side of the cavity (10); a limiting rod (20) is arranged inside the cavity (10) and passes through the fixed block (19); and one end of the fixed block (19) passes through the cavity (10) and is arranged inside the heating chamber (7).

4. A rotary kiln waste heat utilization device according to claim 2, characterized in that: A pull ring (21) is arranged at the top end of the limit block (13); one end of the pull ring (21) passes through the main body (1) and is arranged at the top end of the main body (1).

5. The rotary kiln waste heat utilization device according to claim 3, characterized in that: One side of the movable block (17) is arranged in a trapezoidal shape, and one side of the fixed block (19) is arranged in a trapezoidal shape.

6. The rotary kiln waste heat utilization device according to claim 3, characterized in that: One end of the screw rod (16) passes through the main body (1) and is arranged at the top end of the main body (1); one end of the screw rod (16) is provided with a handle (22).

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