Tail gas treatment device for raw material medicine spray drying

Abstract

The utility model discloses a tail gas treatment device for raw material medicine spray drying, which comprises a treatment box, a gas inlet and a gas outlet are arranged on the treatment box, an activated carbon box for adsorbing tail gas is arranged in the treatment box, and a material changing mechanism for automatically changing the activated carbon box is arranged on the treatment box. The activated carbon box is arranged in the treatment box, the openings matched with the activated carbon box are formed in the two side walls of the treatment box, the material changing mechanism and the driving mechanism are arranged at the opening in one side, the conveying belt is arranged below the material changing mechanism, and the driving mechanism drives the crank connecting rod on the material changing mechanism to operate; and after the material changing plate is replaced and restored, the driving mechanism drives the conveying belt to operate to complete supplement of the activated carbon plate, and the material changing mechanism and the conveying belt alternately operate through the driving mechanism, so that automatic replacement of the activated carbon box is completed by the equipment, and meanwhile, automatic replacement of the activated carbon box is completed. And automatic supplement of the standby activated carbon box can also be realized.

Description

Technical Field

[0001] The utility model relates to the technical field of tail gas treatment, in particular to a tail gas treatment device for spray drying of bulk medicine. Background Art

[0002] Spray drying is a method of applying systematic technology to material drying. After the thin material is atomized in the drying chamber, the water vaporizes rapidly in contact with hot air to obtain a dry product. This method can directly dry solutions and emulsions into powder or granular products, eliminating the evaporation and crushing processes. When the raw materials are spray-dried, the exhaust gas produced will pollute the air, so it is particularly important to treat the exhaust gas. At present, the exhaust gas treatment equipment is more troublesome when replacing the filter element structure, and it cannot be automatically replaced, which is not intelligent enough. Utility Model Content

[0003] The purpose of the utility model is to solve the shortcomings existing in the prior art, such as: it is troublesome to replace the filter element structure, and it cannot be replaced automatically and is not intelligent enough, and a tail gas treatment device for spray drying of raw materials is proposed.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A tail gas treatment device for spray drying of bulk drugs comprises a treatment box, the treatment box is provided with an air inlet and an air outlet, an activated carbon box for absorbing tail gas is built in the treatment box, and a material changing mechanism for automatically replacing the activated carbon box is provided on the treatment box.

[0006] Preferably, the material changing mechanism includes a material changing plate, connecting rod 1, connecting rod 2, rotating shaft 1, gear 1, rotating shaft 2, and a conveyor belt. The material changing plate is slidably arranged on one side of the processing box, and the side wall of the processing box is provided with a feeding port corresponding to the activated carbon box. One end of the connecting rod 1 is rotatably connected to the material changing plate, and the other end of the connecting rod 1 is rotatably connected to one end of the connecting rod 2 through the rotating shaft 2, and the other end of the connecting rod 2 is fixedly connected to the rotating shaft 1. The gear 1 is fixedly connected to the rotating shaft 1. The side wall of the processing box is rotatably connected to two conveying rollers, and the conveyor belt is located between the two conveying rollers. The conveyor belt is arranged below the material changing plate, and a plurality of spare activated carbon boxes are placed on the conveyor belt. The processing box is also provided with a driving mechanism for controlling the movement of the conveyor belt and the sliding of the material changing plate.

[0007] Preferably, the driving mechanism includes a half gear, gear two, a rotating shaft three, bevel gear one, bevel gear two, a rotating shaft four, and a motor, the half gear is fixedly connected to the output shaft of the motor, the gear two and gear one are respectively located on both sides of the half gear, and are both meshed with the half gear, the gear two and bevel gear one are respectively fixedly connected to the rotating shaft three, the bevel gear two is located below the bevel gear one, and the bevel gear two is meshed with the bevel gear one, the bevel gear two is fixed on the rotating shaft four, and the rotating shaft four is fixedly connected to the conveying roller of the conveyor belt.

[0008] Preferably, a correction plate is provided inside the processing box at the place where the activated carbon box is placed, and one end of the correction plate is arranged in an arc shape, a hole groove matching the correction plate is provided on the bottom of the activated carbon box, a sliding block is provided on the material exchange plate, and a corresponding sliding groove is provided on the processing box, a rectangular door is provided on the side wall of the processing box, and the rectangular door is rotatably connected to the side wall of the processing box through a rotating shaft five, and the rectangular door is arranged to match the size of the side wall of the activated carbon box.

[0009] Preferably, an arc-shaped slider and a corresponding slot are provided on the side wall of the processing box feed port, and one end of the arc-shaped slider is fixedly connected to a spring rod, and the other end of the spring rod is fixedly connected to the inner wall of the slot.

[0010] Preferably, the conveyor belt surface is provided with an anti-slip structure.

[0011] Compared with the prior art, the utility model has the following beneficial effects: an activated carbon box is arranged in the processing box, and openings matching the activated carbon box are arranged on both side walls of the processing box, a rectangular door is arranged on one opening, and a material changing mechanism and a driving mechanism are arranged at the other opening, and a conveyor belt is arranged under the material changing mechanism at the same time, and the material changing mechanism and the conveyor belt are operated alternately through the driving mechanism. When the activated carbon box needs to be replaced, the driving mechanism is started, and the material changing plate on the material changing mechanism pushes the spare activated carbon box into the processing box under the action of the crank connecting rod to complete the replacement, and the material changing mechanism returns to its initial position according to the reciprocating motion. At this time, the driving mechanism drives the conveyor belt to move, so that the spare activated carbon box is reloaded onto the material changing plate, and then prepares for the next automatic replacement. While completing the automatic replacement of the activated carbon box, the automatic replenishment of the spare activated carbon box can also be achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 The utility model provides a schematic structural diagram of an exhaust gas treatment device for spray drying of bulk drugs.

[0013] Figure 2 This is a structural schematic diagram of the cross section of the processing box and the material changing plate proposed by the utility model.

[0014] Figure 3 This is a structural schematic diagram of the cross section of the processing box proposed by the utility model.

[0015] Figure 4 This is a structural schematic diagram of the material changing mechanism and the driving mechanism proposed in the utility model.

[0016] Figure 5 This is a structural schematic diagram of the material changing mechanism proposed in the utility model.

[0017] Figure 6 This is a structural schematic diagram of the driving mechanism proposed by the utility model.

[0018] In the figure: 1 treatment box, 2 activated carbon box, 3 material changing plate, 4 shell, 5 conveyor belt, 6 correction plate, 7 slider, 8 rectangular door, 9 arc slider, 10 spring rod, 11 material changing mechanism, 12 driving mechanism, 13 connecting rod 1, 14 connecting rod 2, 15 shaft 1, 16 gear 1, 17 shaft 2, 18 half gear, 19 gear 2, 20 shaft 3, 21 helical gear 1, 22 helical gear 2, 23 shaft 4, 24 shaft 5, 25 motor. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] Reference Figure 1-Figure 6 A tail gas treatment device for spray drying of raw materials includes a treatment box 1, which is provided with an air inlet and an air outlet, and the treatment box 1 is equipped with an activated carbon box 2 for adsorbing tail gas, and the treatment box 1 is provided with a material changing mechanism 11 for automatically replacing the activated carbon box 2.

[0021] The material changing mechanism 11 includes a material changing plate 3, a connecting rod 13, a connecting rod 2 14, a rotating shaft 15, a gear 16, a rotating shaft 2 17, and a conveyor belt 5. The material changing plate 3 is slidably arranged on one side of the treatment box 1, and the side wall of the treatment box 1 is provided with a feeding port corresponding to the activated carbon box 2, and a sealing door is provided at the feeding port through an elastic hinge seal. The material changing plate 3 and the treatment box 1 are sealed and slidably connected to ensure the overall sealing of the treatment box 1, so as not to affect the normal treatment process of the exhaust gas in the treatment box 1. One end of the connecting rod 13 is rotatably connected to the material changing plate 3, and the other end of the connecting rod 13 is rotatably connected to one end of the connecting rod 2 14 through the rotating shaft 2 17, and the other end of the connecting rod 2 14 is connected to the rotating shaft 1. 15 is fixedly connected, gear one 16 is fixedly connected to rotating shaft one 15, the side wall of the processing box 1 is rotatably connected to two conveying rollers, and the conveyor belt 5 is located between the two conveyor rollers, the conveyor belt 5 is arranged below the material changing plate 3, and a plurality of spare activated carbon boxes 2 are placed on the conveyor belt 5, and the processing box 1 is also provided with a driving mechanism 12 for controlling the movement of the conveyor belt 5 and the sliding of the material changing plate 3, the gear one 16 drives the connecting rod two 14 to rotate through the rotating shaft one 15, and the connecting rod two 14 drives the connecting rod one 13 to move through the rotating shaft two 17, thereby driving the material changing plate 3 and the processing box 1 to reciprocate, and a plurality of spare activated carbon boxes 2 are placed on the conveyor belt 5 for replenishing the replaced activated carbon boxes.

[0022] The driving mechanism 12 includes a half gear 18, a second gear 19, a rotating shaft 20, a bevel gear 1 21, a bevel gear 22, a rotating shaft 4 23, and a motor 25. The half gear 18 is fixedly connected to the output shaft of the motor 25. The second gear 19 and the first gear 16 are respectively located on both sides of the half gear 18 and are both meshed with the half gear 18. The second gear 19 and the first bevel gear 21 are respectively fixedly connected to the rotating shaft 3 20. The second bevel gear 22 is located below the first bevel gear 21, and the second bevel gear 22 is meshed with the first bevel gear 21. The second bevel gear 22 is fixed on the rotating shaft 4 23. The rotating shaft 4 23 is fixedly connected to the conveying roller of the conveyor belt 5. The output shaft of the motor 25 drives the half gear 18 to rotate. , so that the half gear 18 intermittently drives the gear 1 16 and the gear 2 19 to rotate. When the half gear 18 drives the gear 1 16 to rotate, the gear 1 16 drives the material changing mechanism 11 to operate to replace the activated carbon box 2. When the half gear 18 drives the gear 2 19 to rotate, the gear 2 19 drives the bevel gear 1 21 to rotate through the rotating shaft 3 20, and the bevel gear 1 21 drives the bevel gear 2 22 to rotate, and then the bevel gear 2 22 drives the conveyor belt to operate through the rotating shaft 4 23, so that the spare activated carbon box 2 on the conveyor belt 5 is automatically replenished, and the material changing mechanism 11 and the conveyor belt 5 are driven by the driving mechanism 12 to operate alternately, thereby completing the automatic replacement and replenishment of the activated carbon box 2.

[0023] A correction plate 6 is provided inside the processing box 1 at the place where the activated carbon box 2 is placed, and one end of the correction plate 6 is arranged in an arc shape, and the arc-shaped end of the correction plate 6 is located on one side of the spare activated carbon box 2, and a hole groove matching the correction plate 6 is provided at the bottom of the activated carbon box 2, a slider 7 is provided on the material exchange plate 3, and a corresponding slide groove is provided on the processing box 1, a rectangular door 8 is provided on the side wall of the processing box 1, and the rectangular door 8 is rotatably connected to the side wall of the processing box 1 through a rotating shaft 5 24, the rectangular door 8 is matched with the side wall of the activated carbon box 2 in size, and the activated carbon box 2 can be accurately entered into the processing box 1 through the correction plate 6 and the hole groove provided at the bottom of the activated carbon box 2.

[0024] An arc-shaped slider 9 and a corresponding slot are provided on the side wall of the feed port of the processing box 1, and one end of the arc-shaped slider 9 is fixedly connected to a spring rod 10, and the other end of the spring rod 10 is fixedly connected to the inner wall of the slot. When the spare activated carbon box 2 is replaced, the activated carbon box 2 enters the processing box 1 under the action of the material changing plate 3, and at the same time squeezes the arc-shaped slider 9, and the position of the activated carbon box 2 is corrected under the action of the arc-shaped slider 9 and the spring rod 10.

[0025] The surface of the conveyor belt 5 is provided with an anti-skid pattern structure, which increases the friction between the spare activated carbon box 2 and the conveyor belt 5, so that the conveyor belt 5 is more stable when the material replacement mechanism replenishes the activated carbon box 2.

[0026] In the utility model, when the activated carbon box in the processing box 1 is used for a specified time or has low efficiency, the motor 25 is started, and the output shaft of the motor 25 drives the half gear 18 to rotate. The half gear 18 first contacts with the gear 16 to drive the gear 16 to rotate, and the gear 16 drives the connecting rod 2 14 to rotate through the rotating shaft 15. The connecting rod 2 14 drives the connecting rod 13 to move through the rotating shaft 2 17. The connecting rod 13 drives the material changing plate 3 to reciprocate with the processing box 1 through the slider 7, so that the material changing plate 3 pushes the spare activated carbon box 2 into the feed port of the side wall of the processing box 1 and pushes open the sealing door. Under the action of the arc-shaped slider 9 and the spring rod 10 of the side wall, it is corrected, and the spare activated carbon box 2 squeezes the activated carbon box 2 that needs to be replaced so that it moves out of the processing box 1 through the rectangular door 8. At the same time, the correction plate 6 is tightly connected to the hole groove at the bottom of the activated carbon box 2. With the cooperation, the activated carbon box 2 is further corrected so that it can enter the processing box 1 more accurately. After completing the replacement of the activated carbon box 2, the material changing plate 3 returns to the initial position according to the reciprocating motion. At this time, the half gear 18 rotates to the other side, and the gear 1 16 stops rotating. The half gear 18 drives the gear 2 19 to rotate, and the gear 2 19 drives the bevel gear 1 21 to rotate through the rotating shaft 3 20, and the bevel gear 1 21 drives the bevel gear 2 22 to rotate. The bevel gear 2 22 drives the conveyor belt 5 to operate through the rotating shaft 4 23, so that the conveyor belt 5 drives the spare activated carbon box 2 to move to one side of the material changing plate 3, so that the spare activated carbon box 2 is replenished to the position where the material changing plate 3 is located, so as to realize the replenishment of the spare activated carbon box 2. After the above movement is completed, the motor 25 is turned off to complete the replacement of the activated carbon box 2 and the replenishment of the spare activated carbon box 2.

[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A tail gas treatment device for spray drying of bulk drugs, comprising a treatment box (1), characterized in that: The processing box (1) is provided with an air inlet and an air outlet, and the processing box (1) is equipped with an activated carbon box (2) for absorbing tail gas. The processing box (1) is provided with a material changing mechanism (11) for automatically changing the activated carbon box (2). The material changing mechanism (11) comprises a material changing plate (3), a connecting rod 1 (13), a connecting rod 2 (14), a rotating shaft 1 (15), a gear 1 (16), a rotating shaft 2 (17), and a conveyor belt (5). The material changing plate (3) is slidably arranged on one side of the processing box (1), and a side wall of the processing box (1) is provided with a material inlet corresponding to the activated carbon box (2). One end of the connecting rod 1 (13) is rotatably connected to the material changing plate. (3), the other end of the connecting rod one (13) is rotatably connected to one end of the connecting rod two (14) through the rotating shaft two (17), and the other end of the connecting rod two (14) is fixedly connected to the rotating shaft one (15), the gear one (16) is fixedly connected to the rotating shaft one (15), the side wall of the processing box (1) is rotatably connected to two conveying rollers, and the conveyor belt (5) is located between the two conveyor rollers, the conveyor belt (5) is arranged below the material exchange plate (3), and a plurality of spare activated carbon boxes (2) are placed on the conveyor belt (5), and the processing box (1) is also provided with a driving mechanism (12) for controlling the movement of the conveyor belt (5) and the sliding of the material exchange plate (3).

2. The tail gas treatment device for spray drying of bulk drugs according to claim 1, characterized in that: The driving mechanism (12) comprises a half gear (18), a second gear (19), a rotating shaft (20), a bevel gear (21), a second bevel gear (22), a fourth rotating shaft (23), and a motor (25); the half gear (18) is fixedly connected to the output shaft of the motor (25); the second gear (19) and the first gear (16) are respectively located on both sides of the half gear (18) and are both meshed with the half gear (18); the second gear (19) and the first bevel gear (21) are respectively fixedly connected to the rotating shaft (20); the second bevel gear (22) is located below the first bevel gear (21) and is meshed with the first bevel gear (21); the second bevel gear (22) is fixed to the fourth rotating shaft (23); and the fourth rotating shaft (23) is fixedly connected to the conveying roller of the conveyor belt (5).

3. The tail gas treatment device for spray drying of bulk drugs according to claim 1, characterized in that: A correction plate (6) is provided inside the processing box (1) at the location where the activated carbon box (2) is placed, and one end of the correction plate (6) is arranged in an arc shape. A hole groove matching the correction plate (6) is provided at the bottom of the activated carbon box (2). A sliding block (7) is provided on the material exchange plate (3), and a sliding groove corresponding thereto is provided on the processing box (1). A rectangular door (8) is provided on the side wall of the processing box (1), and the rectangular door (8) is rotatably connected to the side wall of the processing box (1) via a rotating shaft five (24). The rectangular door (8) is arranged to match the size of the side wall of the activated carbon box (2).

4. The tail gas treatment device for spray drying of bulk drugs according to claim 1, characterized in that: An arc-shaped slider (9) and a corresponding slot hole are provided on the side wall of the feed port of the processing box (1), and one end of the arc-shaped slider (9) is fixedly connected to a spring rod (10), while the other end of the spring rod (10) is fixedly connected to the inner wall of the slot hole.

5. The tail gas treatment device for spray drying of bulk drugs according to claim 1, characterized in that: The surface of the conveyor belt (5) is provided with an anti-slip pattern structure.

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