A lime kiln preheating utilization device

Abstract

The utility model relates to lime kiln preheating technical field, concretely is a kind of lime kiln preheating utilization device, including uniform gas frame, the top end fixedly connected with gas outlet frame of uniform gas frame, the one end fixedly connected with gas diffuser cover of uniform gas frame, the one end fixedly connected with gas collection cover of gas outlet frame, the other end of uniform gas frame and gas outlet frame is provided with gas control assembly, the one end of gas diffuser cover and gas collection cover is provided with preheating assembly.The utility model is provided with uniform gas frame, gas outlet frame, gas diffuser cover, gas collection cover, gas control frame, movable cover, preheating tank, first annular groove, first side groove, second side groove, second annular groove, third side groove and gas guide baffle, can make that equipment go to the efficient preheating operation of lime uniform material of lime kiln flue gas waste heat, in actual use process, staff first with the uniform gas frame and gas outlet frame whole through suction valve seat and exhaust valve seat, install on the pipeline of lime kiln flue gas discharge.

Description

Technical Field

[0001] This utility model relates to the field of lime kiln preheating technology, specifically a lime kiln preheating utilization device. Background Technology

[0002] Lime is quicklime, which is produced by heating and calcining limestone, and its hydration product, slaked lime, or a mixture of the two. It is produced throughout China and has the effects of detoxification, corrosion, wound healing, hemostasis, insecticidal and antipruritic properties. It is used for carbuncles, boils, erysipelas, scrofula, warts, external bleeding, burns, lower limb ulcers, chronic dysentery and rectal prolapse, scabies, eczema, and prickly heat. The lime kiln is the main equipment structure for processing lime.

[0003] For example, patent document CN 221275661 U discloses a high-efficiency limestone preheating device for lime kilns, including a preheating box. Rotary columns are rotatably installed on both side walls of the preheating box. A drive motor is fixedly installed on one of the rotating columns, and the base of the drive motor is fixedly connected to the preheating box. A heater is fixedly installed on the bottom of the inner wall of the preheating box. A placement plate is set inside the preheating box, located directly above the heater. The upper end of the placement plate has symmetrical dovetail grooves, and the lower end of the placement plate has a first inner groove. A snap-fit ​​mechanism is set on both sides of the placement plate. The snap-fit ​​mechanism includes connecting discs, two connecting discs are fixedly installed on the two side walls of the placement plate respectively, and threaded rings are threaded on both rotating columns. Placement strips are fixedly installed on the side walls of the two connecting discs facing away from each other. Placement grooves are opened on both rotating columns. This device enhances the preheating effect of limestone and is convenient and labor-saving to install and disassemble.

[0004] However, during lime kiln processing, this structure can only preheat lime raw materials through the internal structure of the kiln, which occupies the production space inside the kiln and consumes heat. It cannot recover the waste heat of the flue gas generated during lime kiln processing and preheat the lime for firing operations inside the kiln. At the same time, the equipment cannot quickly control the flow of preheated flue gas, which cannot meet the daily use needs. Therefore, it is urgent to design a lime kiln preheating and utilization device to solve the above problems. Utility Model Content

[0005] The purpose of this utility model is to provide a lime kiln preheating and utilization device to solve the problems mentioned in the background art. In the process of lime kiln processing, the existing structure can only perform preheating operations on lime raw materials through the internal structure of the kiln body. The processing occupies the production space inside the kiln and consumes heat inside the kiln. It is impossible to recover the waste heat of the flue gas generated by lime kiln processing and preheat the lime in the kiln for firing operations. At the same time, the equipment cannot perform rapid control of the flow of preheated flue gas, which cannot meet the daily use needs.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a lime kiln preheating and utilization device, comprising a gas equalization frame, an exhaust frame fixedly connected to the top of the gas equalization frame, an expansion hood fixedly connected to one end of the gas equalization frame, an exhaust hood fixedly connected to one end of the exhaust frame, an air control component provided at the other end of the gas equalization frame and the exhaust frame, and a preheating component provided at one end of the expansion hood and the exhaust hood.

[0007] The air control assembly includes an intake valve seat and an exhaust valve seat. The intake valve seat is fixedly connected to the other end of the air distribution frame, and the exhaust valve seat is fixedly connected to the other end of the air outlet frame.

[0008] The preheating assembly includes a gas control frame, one end of which is fixedly connected to the gas expansion hood and the gas concentration hood, and a movable cover is movably connected to the surface of the gas control frame.

[0009] Preferably, a preheating tank is fixedly connected to the bottom of the movable cover, and a first annular groove is provided on the side of the movable cover. The lime raw material is stored in the preheating tank and placed inside the gas control frame along with the movable cover. The first side groove is connected to the second side groove, and the preheating operation of the lime raw material is carried out by the waste heat of the flue gas.

[0010] Preferably, a first side groove is provided on one side of the preheating tank, and the first annular groove and the first side groove are connected.

[0011] Preferably, a second side groove is provided at the bottom of one side of the gas control frame, and a second annular groove is provided at the top of the inner wall of the gas control frame. The first side groove and the second side groove are connected to each other, and the waste heat of the flue gas is used to preheat the lime raw materials.

[0012] Preferably, a third side groove is provided at the top of one side of the gas control frame, and then the flue gas is discharged from the first annular groove of the movable cover to the second annular groove and the third side groove.

[0013] Preferably, the inner wall of the exhaust valve seat is provided with a control ring groove, the center of the exhaust valve seat is provided with a control pipe, and one end of the control pipe is provided with a control fan. By starting the control fan at one end of the control pipe, the smoke can be drawn in or drawn out from the control ring groove on the inner wall of the intake valve seat and the exhaust valve seat, respectively.

[0014] Preferably, both the gas expansion hood and the gas concentration hood are equipped with air guiding baffles inside.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] This lime kiln preheating and utilization device, through the installation of a gas equalization frame, gas outlet frame, gas diffuser, gas concentration hood, gas control frame, movable cover, preheating tank, first annular groove, first side groove, second side groove, second annular groove, third side groove, and air guide baffle, enables the equipment to utilize the waste heat of lime kiln flue gas for efficient preheating of lime. In actual use, the operator first installs the gas equalization frame and gas outlet frame as a whole on the pipe for the lime kiln flue gas discharge through the intake valve seat and exhaust valve seat. Then, the lime kiln flue gas enters the gas diffuser through the gas equalization frame. Then, the lime raw material enters from the second side slot of the gas control frame. Normally, the lime raw material is simply stored in the preheating tank and placed inside the gas control frame with the movable cover. The first side slot connects with the second side slot, and the lime raw material is preheated by the waste heat of the flue gas. After that, the flue gas is discharged from the first ring slot of the movable cover to the second ring slot and the third side slot, and finally discharged evenly through the gas gathering hood. At the same time, the gas guide baffles inside the gas diffusion hood and the gas gathering hood can realize the uniform diffusion and collection of flue gas, improve the preheating efficiency, and demonstrate the practicality of the equipment design.

[0017] This lime kiln preheating and utilization device, through the installation of a gas equalization frame, an exhaust frame, an intake valve seat, an exhaust valve seat, a gas control ring groove, a gas control pipe, and a gas control fan, further improves the overall efficiency of the equipment. In daily use, the intake and exhaust valve seats can be installed at the upper and lower positions of the lime kiln flue gas emission pipe, respectively. Normally, only the gas control fan at one end of the gas control pipe needs to be started to draw or extract flue gas from the gas control ring groove on the inner wall of the intake and exhaust valve seats, respectively. In conjunction with the gas control pipe, efficient flue gas flow can be achieved at the gas equalization frame and the exhaust frame, thus completing the lime kiln preheating operation more efficiently, demonstrating the comprehensiveness of the equipment design. Attached Figure Description

[0018] Figure 1 This is a three-dimensional schematic diagram of the structure of this utility model;

[0019] Figure 2 This is an overall schematic diagram of the structure of the gas diffuser and gas concentrator of this utility model;

[0020] Figure 3 This is a schematic diagram of the overall structure of the air control frame of this utility model;

[0021] Figure 4 This is a schematic diagram of the overall structure of the preheating tank of this utility model;

[0022] Figure 5 This utility model Figure 1 An enlarged schematic diagram of the structure at point A in the middle.

[0023] In the diagram: 1. Gas equalization frame; 2. Gas outlet frame; 3. Gas expansion hood; 4. Gas concentration hood; 5. Intake valve seat; 6. Exhaust valve seat; 7. Gas control frame; 8. Movable cover; 9. Preheating tank; 10. First annular groove; 11. First side groove; 12. Second side groove; 13. Second annular groove; 14. Third side groove; 15. Gas control annular groove; 16. Gas control pipe; 17. Gas control fan; 18. Air guide baffle. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figure 1-5 One embodiment provided by this utility model:

[0026] A lime kiln preheating and utilization device includes a gas equalization frame 1, an outlet frame 2 fixedly connected to the top of the gas equalization frame 1, an expansion hood 3 fixedly connected to one end of the gas equalization frame 1, an outlet frame 4 fixedly connected to one end of the outlet frame 2, gas control components provided at the other ends of the gas equalization frame 1 and the outlet frame 2, a preheating component provided at one end of the expansion hood 3 and the outlet frame 4, an intake valve seat 5 fixedly connected to the other end of the gas equalization frame 1, an exhaust valve seat 6 fixedly connected to the other end of the outlet frame 2, a control pipe 16 provided at the center of the exhaust valve seat 6, a control fan 17 provided at one end of the control pipe 16, and air guide baffles 18 provided inside the expansion hood 3 and the outlet frame 4. The intake valve seat 5 and the exhaust valve seat 6 are respectively installed at the upper and lower positions of the lime kiln flue gas emission pipe. In daily operation, only the control fan 17 at one end of the control pipe 16 needs to be started to draw or extract flue gas from the control ring groove 15 on the inner wall of the intake valve seat 5 and the exhaust valve seat 6.

[0027] The preheating assembly includes a gas control frame 7, a gas expansion hood 3, and a gas concentration hood 4. One end of the gas control frame 7 is fixedly connected to the gas control frame 7, and a movable cover 8 is movably connected to the surface of the gas control frame 7. The bottom end of the movable cover 8 is fixedly connected to a preheating tank 9. A first annular groove 10 is provided on the side of the movable cover 8, and a first side groove 11 is provided on one side of the preheating tank 9. The first annular groove 10 and the first side groove 11 are connected. A second side groove 12 is provided at the bottom end of one side of the gas control frame 7, a second annular groove 13 is provided at the top end of the inner wall of the gas control frame 7, and a third side groove 14 is provided at the top end of one side of the gas control frame 7. The lime raw material is stored in the preheating tank 9 and placed inside the gas control frame 7 along with the movable cover 8. The first side groove 11 and the second side groove 12 are connected, and the preheating operation of the lime raw material is carried out by the waste heat of the flue gas.

[0028] Working Principle: During use, the operator first installs the gas equalizer 1 and gas outlet 2 together on the duct for the lime kiln flue gas discharge via the intake valve seat 5 and exhaust valve seat 6. The lime kiln flue gas then flows through the gas equalizer 1 into the diffuser hood 3, and then into the second side slot 12 of the control hood 7. Normally, lime raw materials are stored in the preheating tank 9 and placed inside the control hood 7 with the movable cover 8. The first side slot 11 connects with the second side slot 12, using the residual heat of the flue gas to preheat the lime raw materials. Afterward, the flue gas flows through the first annular slot 10 of the movable cover 8 to the second annular slot 13 and the third side slot 14, and finally flows evenly through the gas gathering hood 4. The exhaust gas is discharged, and the air guide baffles 18 inside the gas expansion hood 3 and gas gathering hood 4 can achieve uniform diffusion and collection of flue gas, improving preheating efficiency. In daily use, the staff can install the intake valve seat 5 and exhaust valve seat 6 at the upper and lower positions of the flue gas exhaust pipe of the lime kiln, respectively. In daily use, the air control fan 17 at one end of the air control pipe 16 can be started to draw or extract flue gas from the air control ring groove 15 on the inner wall of the intake valve seat 5 and exhaust valve seat 6, respectively. With the help of the air control pipe 16, efficient flue gas flow can be achieved at the gas equalization frame 1 and the exhaust frame 2, so as to complete the preheating operation of the lime kiln more efficiently. The above is the complete working principle of this utility model.

[0029] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A lime kiln preheating and utilization device, comprising an air distribution frame (1), characterized in that: The top of the gas equalization frame (1) is fixedly connected to the gas outlet frame (2), one end of the gas equalization frame (1) is fixedly connected to the gas expansion hood (3), one end of the gas outlet frame (2) is fixedly connected to the gas concentration hood (4), the other end of the gas equalization frame (1) and the gas outlet frame (2) is provided with a gas control component, and one end of the gas expansion hood (3) and the gas concentration hood (4) is provided with a preheating component. The air control assembly includes an intake valve seat (5) and an exhaust valve seat (6). The intake valve seat (5) is fixedly connected to the other end of the air distribution frame (1), and the exhaust valve seat (6) is fixedly connected to the other end of the air outlet frame (2). The preheating assembly includes a gas control frame (7), one end of which is fixedly connected to the gas expansion hood (3) and the gas concentration hood (4), and a movable cover (8) is movably connected to the surface of the gas control frame (7).

2. The lime kiln preheating and utilization device according to claim 1, characterized in that: The bottom end of the movable cover (8) is fixedly connected to a preheating tank (9), and a first annular groove (10) is provided on the side of the movable cover (8).

3. The lime kiln preheating and utilization device according to claim 2, characterized in that: The preheating tank (9) has a first side groove (11) on one side, and the first annular groove (10) and the first side groove (11) are connected.

4. The lime kiln preheating and utilization device according to claim 1, characterized in that: A second side groove (12) is provided at the bottom of one side of the air control frame (7), and a second annular groove (13) is provided at the top of the inner wall of the air control frame (7).

5. A lime kiln preheating and utilization device according to claim 1, characterized in that: The top of one side of the air control frame (7) is provided with a third side groove (14).

6. The lime kiln preheating and utilization device according to claim 1, characterized in that: The inner wall of the exhaust valve seat (6) is provided with an air control ring groove (15), and the center of the exhaust valve seat (6) is provided with an air control pipe (16), and one end of the air control pipe (16) is provided with an air control fan (17).

7. A lime kiln preheating and utilization device according to claim 1, characterized in that: Both the gas expansion hood (3) and the gas concentration hood (4) are equipped with air guiding baffles (18).

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