Independent combustion chamber for active lime calcination

Abstract

The utility model belongs to the technical field of industrial furnaces and kilns, and particularly relates to an independent combustion chamber for active lime calcination, which comprises a supporting seat, a heat preservation shell arranged at the upper end of the supporting seat, a kiln body arranged at the upper end of the heat preservation shell, a furnace body arranged at the bottom end of the kiln body, an annular striker plate arranged at the bottom end of the furnace body, a rapid heat dissipation assembly is arranged in the funnel part, and a convenient discharging assembly is arranged in the position, corresponding to the furnace body, in the supporting base. Through the arrangement of the convenient discharging assembly, the bidirectional lead screw can rotate to enable the material blocking plate to move to dredge and discharge materials, the discharging convenience and stability are improved, the dredging plate is arranged to loosen the accumulated materials, the discharging efficiency is improved, in addition, the rapid heat dissipation assembly is further arranged, and the discharging efficiency is improved. The materials are uniformly cooled after being burnt, so that the cooling efficiency of the materials is improved, the calcining quality of active lime is ensured, the production quality is ensured, and the working stability is ensured.

Description

Technical Field

[0001] This utility model belongs to the field of industrial furnace and kiln technology, and specifically relates to an independent combustion chamber for calcining active lime. Background Technology

[0002] Activated lime is also known as quicklime. Activated lime refers to lime that has been calcined in the range of 920℃ to 1200℃. Its characteristics include a porosity of up to 40%, a sponge-like texture, a low bulk density of 1.7 to 2.0 g / cm², a large specific surface area of ​​0.5 to 1.3 m² / g, and fine lime crystals. It also has a high melting capacity during the slag-making process.

[0003] Chinese Patent Application No. 201621427026.5 discloses an independent combustion chamber for calcining quicklime, belonging to the field of industrial furnace technology. The technical problem to be solved is to provide an independent combustion chamber capable of continuously calcining quicklime, with high production efficiency, stable calcination quality, and reduced production costs. The technical solution adopted is: an independent combustion chamber for calcining quicklime, including a furnace body, fuel injection pipes, a kiln body, a cooling section, and a control system. The upper part of the combustion chamber is a cylindrical furnace body, and the lower part is provided with a funnel-shaped cooling section. The furnace body is fixedly installed on the ground, and the cooling section is located in a pit. Fuel injection pipes are tangentially arranged on the side wall of the furnace body. A kiln body mounting hole is provided on the top of the furnace body. The upper wall of the furnace body is sealed to the outer wall of the kiln body. Material falling from the kiln body accumulates in the cooling section, forming an angle of repose to prevent further material from falling. The start and stop of the fuel injection pipes are controlled by the control system. This utility model is mainly used for the calcination of quicklime.

[0004] The aforementioned patent uses eight sets of hydraulic discharge devices to assist in material feeding, which results in high feeding costs, high operational difficulty, cumbersome work steps, and poor feeding effect. It cannot clear the material in time. When performing air cooling, only a single air pipe is used for air cooling, which makes it difficult to uniformly cool the material inside the furnace, affecting cooling efficiency and reducing production efficiency. Utility Model Content

[0005] In view of this, in order to solve the problems mentioned in the background art, the present invention provides an independent combustion chamber for calcining active lime, which has the characteristics of convenient and stable feeding and high cooling efficiency.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] An independent combustion chamber for calcining quicklime includes a support base, an insulation shell at the upper end of the support base, a kiln body at the upper end of the insulation shell, a furnace body at the bottom end of the kiln body, and an annular baffle plate at the bottom end of the furnace body. The furnace body includes a main body and a funnel part. A rapid heat dissipation component is installed inside the funnel part. A convenient material feeding component is installed inside the support base corresponding to the furnace body.

[0008] A convenient material feeding assembly includes a guide rod, a positioning device, a bidirectional lead screw, a drain plate, a baffle plate, and a servo motor. The servo motor is installed inside the support base, and a bidirectional lead screw is installed at the output end of the servo motor. A guide rod is installed on one side of the bidirectional lead screw. A positioning device is symmetrically arranged between the guide rod and the bidirectional lead screw. A baffle plate is installed at the upper end of the positioning device, and several drain plates are installed on one side of the upper end of the baffle plate.

[0009] The rapid heat dissipation component includes an air outlet, a baffle platform, a negative pressure fan, and air ducts. Several air ducts are symmetrically arranged on the funnel part of the furnace body. A baffle platform is provided at one end of each air duct that is close to each other, and a negative pressure fan is provided at the other end of each air duct. Several air outlets are opened on the upper surface of the baffle platform and the air ducts.

[0010] Preferably, a limiting groove is provided at the bottom of the furnace body corresponding to the baffle plate, and the end of the bidirectional lead screw away from the servo motor is mounted inside the support base through a bearing.

[0011] Preferably, the positioning device includes a nut, a movable frame, fastening bolts, a movable groove, and a positioning groove. The movable frame is provided between the guide rod and the bidirectional lead screw. The movable frame has a positioning groove in the middle. Movable grooves are provided on both sides of the movable frame. Fastening bolts are symmetrically arranged inside the movable grooves. Nuts are connected to the surface of the fastening bolts.

[0012] Preferably, the material stop platform has an internal mounting ring, and the bottom end of the mounting ring has a receiving plate, which is mounted on the bottom surface of the mounting ring by positioning bolts.

[0013] The beneficial effects of this utility model are as follows:

[0014] This utility model features a convenient material feeding component. The bidirectional screw rotation causes the baffle plate to move, thus clearing and feeding materials, improving the convenience and stability of feeding, reducing clearing costs, and improving the working quality of the equipment. It also includes a clearing plate to loosen accumulated materials, improving feeding efficiency, and a positioning device for easy assembly and disassembly of the baffle plate, saving manpower.

[0015] In addition, by setting up a rapid heat dissipation component, this utility model can uniformly cool and dissipate heat after the material is burned, improve the material cooling efficiency, ensure the calcination quality of the active lime, ensure production quality, and ensure the stability of the operation. Attached Figure Description

[0016] Figure 1 This is a partial cross-sectional view of the three-dimensional structure of this utility model;

[0017] Figure 2 This is a schematic cross-sectional view of the overall three-dimensional structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the convenient material feeding component structure of this utility model;

[0019] Figure 4 This is a schematic diagram of the positioning device structure of this utility model;

[0020] Figure 5 This is a schematic diagram of the rapid heat dissipation component structure of this utility model;

[0021] In the diagram: 1. Kiln body; 2. Insulation shell; 3. Support base; 4. Rapid heat dissipation assembly; 41. Mounting ring; 42. Receiving plate; 43. Positioning bolt; 44. Air outlet; 45. Material baffle; 46. Negative pressure fan; 47. Air guide pipe; 5. Furnace body; 501. Main body; 502. Funnel part; 6. Convenient material feeding assembly; 61. Guide rod; 62. Positioning device; 621. Nut; 622. Movable frame; 623. Fastening bolt; 624. Movable groove; 625. Positioning groove; 63. Two-way lead screw; 64. Unblocking plate; 65. Material baffle; 66. Servo motor; 7. Annular material baffle. Detailed Implementation

[0022] 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.

[0023] In this technical solution, such as Figure 1-4 As shown, an independent combustion chamber for calcining active lime includes a support base 3, an insulation shell 2 at the upper end of the support base 3, a kiln body 1 at the upper end of the insulation shell 2, a furnace body 5 at the bottom end of the kiln body 1, an annular baffle plate 7 at the bottom end of the furnace body 5, the furnace body 5 includes a main body 501 and a funnel part 502, a rapid heat dissipation component 4 is provided inside the funnel part 502, and a convenient material feeding component 6 is provided inside the support base 3 corresponding to the furnace body 5.

[0024] Specifically, the convenient material feeding component 6 includes a guide rod 61, a positioning device 62, a bidirectional lead screw 63, a dredging plate 64, a baffle plate 65, and a servo motor 66. The servo motor 66 is installed inside the support base 3, and the bidirectional lead screw 63 is installed at the output end of the servo motor 66. The guide rod 61 is installed on one side of the bidirectional lead screw 63. The positioning device 62 is symmetrically arranged between the guide rod 61 and the bidirectional lead screw 63. The baffle plate 65 is installed at the upper end of the positioning device 62, and several dredging plates 64 are installed on one side of the upper end of the baffle plate 65.

[0025] By adopting the above technical solution, the material is fed into the furnace body 5 from the kiln body 1 for combustion. At this time, the material accumulates at the bottom of the furnace body 5, and the baffle plate 65 blocks the opening of the annular baffle plate 7 to ensure stable accumulation and combustion of the material. When the material is discharged, the servo motor 66 is turned on to drive the bidirectional lead screw 63 to rotate. At this time, the positioning device 62 moves along the surface of the guide rod 61 and makes the two sets of baffle plates 65 move away from each other. The baffle plate 65 moves and drives the unblocking plate 64 to slide. Due to the stroke limitation of the bidirectional lead screw 63, the baffle plate 65 can only move inside the furnace body 5, ensuring that the material blocked at the bottom of the furnace body 5 is lifted and loosened by the unblocking plate 64, and then falls from the opening of the annular baffle plate 7, ensuring the quality of material discharge. The unblocking plate 64 can loosen the blocked material and improve the discharge efficiency.

[0026] Specifically, a limiting groove is provided at the bottom of the furnace body 5 corresponding to the baffle plate 65, and the end of the bidirectional lead screw 63 away from the servo motor 66 is installed inside the support base 3 through a bearing.

[0027] By adopting the above technical solutions, the stability of the baffle plate 65's movement is ensured, and the quality of equipment use is improved.

[0028] Specifically, the positioning device 62 includes a nut 621, a movable frame 622, a fastening bolt 623, a movable groove 624, and a positioning groove 625. The movable frame 622 is provided between the guide rod 61 and the double-acting screw 63. The positioning groove 625 is provided in the middle of the movable frame 622. Movable grooves 624 are provided on both sides of the movable frame 622. Fastening bolts 623 are symmetrically arranged inside the movable grooves 624. Nuts 621 are connected to the surface of the fastening bolts 623.

[0029] By adopting the above technical solution, the baffle plate 65 can be conveniently installed during use. The baffle plate 65 is inserted into the positioning groove 625, and then the fastening bolt 623 is slid along the movable groove 624 to make it correspond to the opening inside the baffle plate 65. Then, the nut 621 is tightened through the opening to complete the installation and fixation of the baffle plate 65, which improves the convenience of baffle plate 65 installation, saves manpower, and ensures the applicability of the equipment.

[0030] In this technical solution, such as Figure 5 As shown, the rapid heat dissipation component 4 includes an air outlet 44, a baffle 45, a negative pressure fan 46, and an air guide pipe 47. Several air guide pipes 47 are symmetrically arranged on the funnel part 502 of the furnace body 5. A baffle 45 is provided at one end of the air guide pipes 47 that are close to each other, and a negative pressure fan 46 is provided at the other end of the air guide pipes 47. Several air outlets 44 are opened on the upper surface of the baffle 45 and the air guide pipes 47.

[0031] By adopting the above technical solution, the material after combustion needs to be cooled before being discharged from the annular baffle plate 7. The negative pressure fan 46 is turned on to blow air into the air guide pipe 47. The airflow enters the interior of the baffle plate 45 and is discharged from the air outlet 44, ensuring the uniformity of cooling of the material after combustion.

[0032] Specifically, the material stop 45 has an internal mounting ring 41, and a receiving plate 42 is provided at the bottom of the mounting ring 41. The receiving plate 42 is mounted on the bottom surface of the mounting ring 41 by positioning bolts 43.

[0033] By adopting the above technical solution, some material enters the interior of the baffle plate 45 from the air outlet 44. During subsequent maintenance, the positioning bolt 43 can be loosened to remove the receiving plate 42 from the bottom of the mounting ring 41 so as to discharge the collected material, prevent material waste, and improve the use effect of the equipment.

[0034] Based on the above embodiments, the material after combustion needs to be cooled before being discharged from the annular baffle plate 7. The negative pressure fan 46 is turned on to blow air into the air guide pipe 47. The airflow enters the interior of the baffle platform 45 and is discharged from the air outlet 44, ensuring the uniformity of cooling of the material after combustion. At the same time, some material enters the interior of the baffle platform 45 from the air outlet 44. During subsequent maintenance, the positioning bolt 43 can be loosened to remove the receiving plate 42 from the bottom of the mounting ring 41 so that the collected material can be discharged, preventing material waste and improving the use effect of the equipment.

[0035] The structure and operating principle of the kiln body 1, insulation shell 2, and furnace body 5 in this utility model have been disclosed in an independent combustion chamber for calcining active lime disclosed in Chinese patent application number 201621427026.5.

[0036] Specifically, when using this utility model, during the calcination of active lime, the material is fed into the interior of the furnace body 5 from the kiln body 1 for combustion. At this time, the material accumulates between the baffle plate 45 and the furnace body 5, and the baffle plate 65 blocks the opening of the annular baffle plate 7 to ensure stable accumulation and combustion of the material. After combustion, the material needs to be cooled before being discharged from the annular baffle plate 7. The negative pressure fan 46 is turned on to blow air into the air guide pipe 47. The airflow enters the interior of the baffle plate 45 and is discharged from the air outlet 44 to ensure uniform cooling of the material after combustion. At the same time, some material enters the interior of the baffle plate 45 from the air outlet 44. During subsequent maintenance, the positioning bolt 43 can be loosened to remove the receiving plate 42 from the bottom of the mounting ring 41 so as to discharge the collected material, prevent material waste, and improve the use effect of the equipment.

[0037] When the material is being fed, the servo motor 66 is turned on to drive the bidirectional lead screw 63 to rotate. At this time, the positioning device 62 moves along the surface of the guide rod 61 and causes the two sets of baffle plates 65 to move away from each other. The baffle plates 65 move and drive the unblocking plate 64 to slide, so that the material blocked between the baffle platform 45 and the furnace body 5 begins to loosen and fall from the opening of the annular baffle plate 7, ensuring the quality of material feeding. The unblocking plate 64 can loosen the blocked material and improve the feeding efficiency.

[0038] When using the baffle plate 65, it can be easily installed. Insert the baffle plate 65 into the positioning groove 625, then slide the fastening bolt 623 along the movable groove 624 so that it corresponds to the opening inside the baffle plate 65, and then pass it through the opening and tighten the nut 621 to complete the installation and fixation of the baffle plate 65. This improves the convenience of installing the baffle plate 65, saves manpower, and ensures the applicability of the equipment.

[0039] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An independent combustion chamber for calcining quicklime, comprising a support base, an insulating shell at the upper end of the support base, a kiln body at the upper end of the insulating shell, a furnace body at the bottom end of the kiln body, and an annular baffle plate at the bottom end of the furnace body, characterized in that: The furnace body includes a main body and a funnel section. A rapid heat dissipation assembly is installed inside the funnel section, and a convenient material feeding assembly is installed inside the support base corresponding to the furnace body. A convenient material feeding assembly includes a guide rod, a positioning device, a bidirectional lead screw, a drain plate, a baffle plate, and a servo motor. The servo motor is installed inside the support base, and a bidirectional lead screw is installed at the output end of the servo motor. A guide rod is installed on one side of the bidirectional lead screw. A positioning device is symmetrically arranged between the guide rod and the bidirectional lead screw. A baffle plate is installed at the upper end of the positioning device, and several drain plates are installed on one side of the upper end of the baffle plate. The rapid heat dissipation component includes an air outlet, a baffle platform, a negative pressure fan, and air ducts. Several air ducts are symmetrically arranged on the funnel part of the furnace body. A baffle platform is provided at one end of each air duct that is close to each other, and a negative pressure fan is provided at the other end of each air duct. Several air outlets are opened on the upper surface of the baffle platform and the air ducts.

2. The independent combustion chamber for calcining active lime according to claim 1, characterized in that: A limit groove is provided at the bottom of the furnace body corresponding to the baffle plate, and the end of the bidirectional lead screw away from the servo motor is installed inside the support base through a bearing.

3. The independent combustion chamber for calcining active lime according to claim 2, characterized in that: The positioning device includes a nut, a movable frame, fastening bolts, a movable groove, and a positioning groove. The movable frame is provided between the guide rod and the double-acting screw. The movable frame has a positioning groove in the middle and movable grooves on both sides. Fastening bolts are symmetrically arranged inside the movable grooves, and nuts are connected to the surfaces of the fastening bolts.

4. The independent combustion chamber for calcining active lime according to claim 3, characterized in that: The material stop platform has an internal mounting ring, and a receiving plate is provided at the bottom end of the mounting ring. The receiving plate is installed on the bottom surface of the mounting ring by positioning bolts.

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