Calcium oxide production preheating equipment

Abstract

The utility model discloses preheating equipment for calcium oxide production, which comprises a drying box, a preheating device and a preheating device, wherein a feeding pipe is arranged on one side of the top of the drying box; a discharging hole is formed in one end of an inner cavity of the feeding pipe, a feeding mechanism is arranged in the middle of the feeding pipe, the feeding mechanism comprises a rotating pipe, one end of the rotating pipe is connected with the other end of the feeding pipe through a bearing in a rotating and penetrating mode, and a heating mechanism is arranged at the other end of the rotating pipe; the spiral blade is fixed on the outer wall of the rotating pipe; the first gear is fixed to one end of the rotating pipe, and a driving mechanism used for enabling the rotating pipe to rotate is arranged on the outer wall of the first gear; and the air outlet pipe is fixed at the other end of the feeding pipe. By means of the arrangement mode that the feeding mechanism, the driving mechanism and the heating mechanism are matched, calcium oxide in the inner cavity of the feeding pipe can be stably conveyed through the spiral blades, the inner cavity of the feeding pipe can be conveniently preheated and heated through the heating mechanism, the preheating effect is improved, and the overall drying efficiency of the calcium oxide in the drying box is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of calcium oxide production, in particular to calcium oxide production preheating equipment. Background Art

[0002] Calcium oxide is commonly known as quicklime. Its physical properties are white powder on the surface. The impure ones are off-white. When containing impurities, they are light yellow or gray. It is hygroscopic. During the production process of calcium oxide, it needs to be processed by calcination, digestion, slag removal, centrifugal dehydration, drying, screening, etc. Before the drying process, the calcium oxide production needs to be preheated.

[0003] Traditionally, calcium oxide is dried by hot air directly in a drying box, while calcium oxide is preheated by simple ventilation preheating through a pipe for conveying calcium oxide. For example, application No. 202122791294.2 discloses a drying device for calcium oxide production, including a support frame, on which a body is mounted, a feed pipe is provided on one side of the body, a discharge pipe is provided at the middle part of the lower end of the body, an upper cover is mounted on the upper end of the body, a power mechanism is provided at the middle part of the upper end of the upper cover, a driving rod is provided on the power mechanism, the driving rod is arranged in the body, and the upper end of the driving rod is rotatably sleeved in the middle part of the lower end of the upper cover. The drying device directly dries the calcium oxide, while the hot air can only preheat part of the calcium oxide conveyed in the pipe through the feed pipe, and the preheating effect is not good, resulting in low overall production drying efficiency of calcium oxide. Utility Model Content

[0004] The purpose of the utility model is to provide a calcium oxide production preheating device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a calcium oxide production preheating device, comprising: a drying box, a top side of which is fixedly connected with a feed pipe;

[0006] A discharge hole is provided at one end of the inner cavity of the feed pipe, and a feeding mechanism is provided in the middle of the feed pipe, and the feeding mechanism comprises:

[0007] A rotating tube, one end of which is rotatably connected with the other end of the feed tube through a bearing, and the other end of the rotating tube is provided with a heating mechanism;

[0008] A spiral blade fixed to the outer wall of the rotating tube;

[0009] A first gear, which is fixed to one end of the rotating tube, and an outer wall of the first gear is provided with a driving mechanism for rotating the rotating tube;

[0010] An air outlet pipe is fixed to the other end of the feed pipe.

[0011] Preferably, the rotating tube is rotatably interlaced with the bottom of the air outlet pipe, and the other end of the top of the feed pipe is fixedly interlaced with a feed hopper.

[0012] Preferably, the driving mechanism comprises:

[0013] A fixed box is fixedly inserted into one end of the feed pipe, and the other end of the rotating tube is rotatably inserted into one side of the fixed box through a bearing;

[0014] A servo motor is fixed to the top of the feed tube;

[0015] A rotating shaft, one end of which is drivingly connected to the output end of the servo motor;

[0016] A second gear and a third gear, both of which are fixed to one end of the rotating shaft;

[0017] The fourth gear is arranged at the bottom of the third gear through an auxiliary rod, and the fourth gear is arranged at one end of the heating mechanism.

[0018] Preferably, the second gear is meshingly connected to the outer wall of the first gear, and the third gear is meshingly connected to the outer wall of the fourth gear.

[0019] Preferably, the fourth gear is fixedly inserted into one end of the auxiliary rod, and the other end of the auxiliary rod is rotatably inserted into and connected with the inner wall of the fixing box via a bearing.

[0020] Preferably, the heating mechanism comprises:

[0021] A connecting pipe and a fifth gear, wherein the fifth gear is fixed to one end of the connecting pipe;

[0022] A bracket, which is fixed to one end of the inner wall of the rotating tube;

[0023] The fan blade is fixedly inserted into one end of the connecting tube and is used for the air circulation in the cavity of the rotating tube;

[0024] The heating wire is fixed to one end of the inner cavity of the rotating tube.

[0025] Preferably, the two ends of the connecting pipe are rotatably and interlacedly connected with the inner wall of the fixing box and the middle part of the bracket through bearings, and the fan blades and the heating wire are respectively arranged on both sides of the bracket.

[0026] Technical effects and advantages of the utility model:

[0027] The utility model utilizes a setting mode in which a feeding mechanism, a driving mechanism and a heating mechanism are coordinated. The driving mechanism facilitates the stable rotation of the rotating tube so that its spiral blades can stably convey the calcium oxide in the inner cavity of the feeding tube. The heating mechanism facilitates the preheating of the inner cavity of the feeding tube, thereby improving the preheating effect and the overall drying efficiency of the calcium oxide in the drying box. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0029] Figure 2 It is a front sectional structural schematic diagram of the feed pipe of the utility model.

[0030] Figure 3 It is a partial cross-sectional structural schematic diagram of the rotating tube of the utility model.

[0031] In the figure: 1. drying box; 2. feed pipe; 3. discharge hole; 4. feeding mechanism; 41. rotating tube; 42. spiral blade; 43. first gear; 44. outlet pipe; 5. driving mechanism; 51. fixing box; 52. servo motor; 53. rotating shaft; 54. second gear; 55. third gear; 56. fourth gear; 6. heating mechanism; 61. connecting tube; 62. fifth gear; 63. bracket; 64. fan blade; 65. heating wire; 7. feed hopper. DETAILED DESCRIPTION

[0032] 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.

[0033] The utility model provides Figure 1-3 A calcium oxide production preheating device shown includes:

[0034] The drying box 1 has a feed pipe 2 fixedly inserted and connected to one side of the top thereof, and a discharge hole 3 is provided at one end of the inner cavity of the feed pipe 2. The discharge hole 3 is arranged in the inner cavity of the drying box 1, so that the calcium oxide material in the inner cavity of the feed pipe 2 can enter the inner cavity of the drying box 1 through the discharge hole 3;

[0035] A feeding mechanism 4 is provided in the middle of the feed pipe 2, and the feeding mechanism 4 includes: a rotating tube 41, a spiral blade 42, a first gear 43 and an air outlet pipe 44. One end of the rotating tube 41 is rotatably interlaced with the other end of the feed pipe 2 through a bearing, the spiral blade 42 is fixed to the outer wall of the rotating tube 41, the spiral blade 42 is arranged in the inner cavity of the feed pipe 2, the first gear 43 is fixed to one end of the rotating tube 41, and the air outlet pipe 44 is fixed to the other end of the feed pipe 2. The rotating tube 41 is rotatably interlaced with the bottom of the air outlet pipe 44, and the other end of the top of the feed pipe 2 is fixedly interlaced with a feed hopper 7. Through the feed hopper 7, it is convenient to put calcium oxide into the inner cavity of the rotating tube 41. Through the rotation of the rotating tube 41, its spiral blade 42 can rotate stably, so that it can stably transport the calcium oxide in the inner cavity of the feed pipe 2;

[0036] The outer wall of the first gear 43 is provided with a driving mechanism 5 for rotating the rotating tube 41, and the driving mechanism 5 includes: a fixed box 51, a servo motor 52, a rotating shaft 53, a second gear 54, a third gear 55 and a fourth gear 56. The fixed box 51 is fixedly inserted into one end of the feed tube 2, and the other end of the rotating tube 41 is rotatably inserted and connected with one side of the fixed box 51 through a bearing. The servo motor 52 is fixed to the top of the feed tube 2, and one end of the rotating shaft 53 is transmission-connected with the output end of the servo motor 52. The servo motor 52 is electrically connected to an external power supply through an external switch, and the rotating shaft 53 is stably rotated by the drive of the servo motor 52;

[0037] The second gear 54 and the third gear 55 are both fixed to one end of the rotating shaft 53, the fourth gear 56 is arranged at the bottom of the third gear 55 through an auxiliary rod, the fourth gear 56 is fixedly inserted into one end of the auxiliary rod, the other end of the auxiliary rod is rotatably inserted and connected with the inner wall of the fixed box 51 through a bearing, the fourth gear 56 is arranged at one end of the heating mechanism 6, the second gear 54 is meshed and connected with the outer wall of the first gear 43, the third gear 55 is meshed and connected with the outer wall of the fourth gear 56, and the second gear 54 and the fourth gear 56 can rotate in opposite directions through the rotation of the rotating shaft 53, so that the first gear 43 and the fifth gear 62 can rotate in opposite directions;

[0038] The other end of the rotating tube 41 is provided with a heating mechanism 6, which includes: a connecting tube 61, a fifth gear 62, a bracket 63, a fan blade 64 and a heating wire 65.

[0039] The connecting tube 61 and the fifth gear 62, the fifth gear 62 is fixed to one end of the connecting tube 61, the first gear 43 and the fifth gear 62 are both arranged at the bottom of the inner cavity of the fixed box 51, the bracket 63 is fixed to one end of the inner wall of the rotating tube 41, the fan blade 64 is fixedly inserted into one end of the connecting tube 61, and is used for air circulation in the inner cavity of the rotating tube 41, the heating wire 65 is fixed to one end of the inner cavity of the rotating tube 41, and the two ends of the connecting tube 61 are respectively rotatably inserted and connected with the inner wall of the fixed box 51 and the middle part of the bracket 63 through bearings, the fan blade 64 and the heating wire 65 are respectively arranged on both sides of the bracket 63, and the connecting wire of the heating wire 65 is inserted and connected with the inner cavity of the connecting tube 61, and the heating wire 65 can heat the inner cavity of one end of the rotating tube 41, and through the rotation of the fan blade 64, its hot gas can diffuse to the other end of the rotating tube 41, which is convenient for heat propagation, so that it can stably preheat the calcium oxide in the inner cavity of the feeding tube 2, thereby improving the drying efficiency of calcium oxide production.

[0040] Finally, it should be noted that the above is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A calcium oxide production preheating device, comprising: A drying box (1) has a feed pipe (2) fixedly inserted and connected to one side of the top thereof; The invention is characterized in that: a discharge hole (3) is provided at one end of the inner cavity of the feed pipe (2), a feeding mechanism (4) is provided in the middle of the feed pipe (2), and the feeding mechanism (4) comprises: A rotating tube (41), one end of which is rotatably connected to the other end of the feed tube (2) via a bearing, and the other end of the rotating tube (41) is provided with a heating mechanism (6); A spiral blade (42) fixed to the outer wall of the rotating tube (41); A first gear (43) fixed to one end of the rotating tube (41), wherein the outer wall of the first gear (43) is provided with a driving mechanism (5) for rotating the rotating tube (41); The air outlet pipe (44) is fixed to the other end of the feed pipe (2).

2. A calcium oxide production preheating device according to claim 1, characterized in that: The rotating tube (41) is rotatably connected to the bottom of the air outlet pipe (44), and the other end of the top of the feed pipe (2) is fixedly connected to the feed hopper (7).

3. A calcium oxide production preheating device according to claim 2, characterized in that: The driving mechanism (5) comprises: A fixed box (51) is fixedly inserted into one end of the feed pipe (2), and the other end of the rotating tube (41) is rotatably inserted into one side of the fixed box (51) via a bearing; A servo motor (52) fixed to the top of the feed pipe (2); A rotating shaft (53), one end of which is drivingly connected to the output end of the servo motor (52); A second gear (54) and a third gear (55), both of which are fixed to one end of the rotating shaft (53); The fourth gear (56) is arranged at the bottom of the third gear (55) through an auxiliary rod, and the fourth gear (56) is arranged at one end of the heating mechanism (6).

4. A calcium oxide production preheating device according to claim 3, characterized in that: The second gear (54) is meshedly connected to the outer wall of the first gear (43), and the third gear (55) is meshedly connected to the outer wall of the fourth gear (56).

5. A calcium oxide production preheating device according to claim 3, characterized in that: The fourth gear (56) is fixedly inserted into one end of the auxiliary rod, and the other end of the auxiliary rod is rotatably inserted into the inner wall of the fixed box (51) through a bearing.

6. A calcium oxide production preheating device according to claim 3, characterized in that: The heating mechanism (6) comprises: A connecting pipe (61) and a fifth gear (62), wherein the fifth gear (62) is fixed to one end of the connecting pipe (61); A bracket (63) fixed to one end of the inner wall of the rotating tube (41); A fan blade (64) is fixedly inserted into one end of the connecting tube (61) and is used for air circulation in the inner cavity of the rotating tube (41); A heating wire (65) is fixed to one end of the inner cavity of the rotating tube (41).

7. A calcium oxide production preheating device according to claim 6, characterized in that: The two ends of the connecting pipe (61) are rotatably connected to the inner wall of the fixing box (51) and the middle of the bracket (63) through bearings, and the fan blades (64) and the heating wire (65) are respectively arranged on both sides of the bracket (63).

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