Metformin hydrochloride crystallization drying device
By designing a metformin hydrochloride crystal drying device containing heating vibration components and belt conveying components, the problems of uneven drying and agglomeration in the prior art are solved, a more uniform and stable drying effect is achieved, and the quality of the drug is improved.
Patent Information
- Application Number
- CN202421323587.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-12
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-06-12
AI Technical Summary
The existing metformin hydrochloride crystal drying device uses filter plates to dry, resulting in uneven drying and clumping, affecting the quality of the drug.
A drying device including a drying box, a heating vibrating member and a belt conveying member is designed to disperse and dry the crystals by heating the vibrating member, and uniform conveying and reheating drying are achieved using the belt conveying member.
The uniform drying of metformin hydrochloride crystals is achieved, avoiding clumping and improving the quality and stability of the drug.
Smart Images
Figure CN222670599U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of drying devices, in particular to a metformin hydrochloride crystallization drying device. Background Art
[0002] Metformin hydrochloride crystals are a form of medicine, usually used as an oral hypoglycemic drug. It belongs to the biguanide class of drugs, mainly used to treat diabetes. In order to improve the quality and stability of metformin hydrochloride crystals and ensure their safety and effectiveness as a drug, it is usually necessary to dry the metformin hydrochloride crystals.
[0003] Most existing metformin hydrochloride crystallization drying devices use filter plates to dry the crystals. During the drying process, due to the different sizes, shapes or densities of the crystals, the drying uniformity may be poor, and a large number of crystals are piled together to form agglomerates, which affects the quality of metformin hydrochloride crystals. Therefore, we propose a metformin hydrochloride crystallization drying device to solve the above-mentioned problems. Utility Model Content
[0004] The utility model aims to provide a metformin hydrochloride crystallization drying device to solve the problem that the existing metformin hydrochloride crystallization drying device proposed in the above background technology uses a filter plate to dry the crystals, which leads to uneven drying due to the different sizes, shapes or densities of the crystals, and a large number of crystals are piled up on each other to form agglomerates, thereby affecting the quality of metformin hydrochloride crystals.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A metformin hydrochloride crystal drying device comprises a drying box, a discharge funnel and a discharging funnel, two ventilation fans are arranged on both sides of the drying box, a rotating discharging component is arranged inside the drying box, movable cover components are respectively arranged on the sides away from each other of the two ventilation fans, a heating and vibration component is arranged on the top of the rotating discharging component, a belt conveying component is arranged on the side of the rotating discharging component away from the discharging funnel, two electric telescopic rods are respectively arranged on both sides of the heating and vibration component, a plurality of conveying plates are evenly spaced on the belt conveying component, a motor is arranged on one side of the bottom of the belt conveying component, a scraper is arranged on the top of the belt conveying component close to the heating and vibration component, and two telescopic springs are respectively arranged on both ends of one side of the conveying plate;
[0007] The heating vibration component includes a heating box and a vibration rod. A plurality of vibration rods are evenly spaced inside the heating box. The plurality of vibration rods are arranged in five layers, and the five layers of vibration rods are spaced apart from each other.
[0008] Furthermore, ventilation ports are provided on both sides of the drying box, a discharge funnel is provided on the top of the drying box, a discharging funnel is provided on one side of the bottom of the drying box, a block is provided on the outside of the ventilation port, the discharge funnel is fixedly connected to the drying box, the discharging funnel is fixedly connected to the drying box, the ventilation fan is fixedly connected to the drying box inside the ventilation port, the rotating discharging component includes a baffle plate, a rotating shaft and a handwheel, rotating shafts are provided at both ends of the baffle plate, both ends of the rotating shaft are rotatably connected to the drying box, one end of the rotating shaft passes through the drying box and is fixedly connected to the handwheel, and the motor is fixedly connected to the drying box.
[0009] Furthermore, one end of the two electric telescopic rods is fixedly connected to the inner wall of the drying box, the other end of the electric telescopic rod is fixedly connected to the outside of the heating box, the heating box is fixedly connected to the vibration rod, and the belt conveying component includes a driving shaft, a driven shaft and a conveyor belt. A driven shaft is arranged on the top of the driving shaft, both ends of the driving shaft are rotatably connected to the drying box, one end of the driving shaft passes through the drying box and is fixedly connected to the motor drive shaft, both ends of the driven shaft are rotatably connected to the drying box, one end of the conveyor belt is meshedly connected to the driving shaft, and the other end of the conveyor belt is meshedly connected to the driven shaft.
[0010] Furthermore, the conveying plate is rotatably connected to the conveying belt, one end of the two telescopic springs is fixedly connected to the conveying plate, and the other end of the telescopic springs is fixedly connected to the conveying belt.
[0011] Furthermore, both ends of the scraper are fixedly connected to the drying box.
[0012] Furthermore, the movable cover component includes a limit pin, a sealing cover and a movable buckle. The sealing cover is slidably connected inside the ventilation port, two limit pins are respectively provided on both sides of the outside of the sealing cover, and a movable buckle is provided on the top of the sealing cover. The limit pin is fixedly connected to the sealing cover, and the movable buckle is rotatably connected to the sealing cover.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] The utility model is provided with a heating vibration component, two electric telescopic rods are respectively provided on both sides of the heating vibration component, the heating vibration component includes a heating box and a vibration rod, a plurality of vibration rods are evenly spaced inside the heating box, the plurality of vibration rods are respectively arranged in five layers, and the five layers of vibration rods are spaced apart from each other. In this process, the electric telescopic rod drives the heating box, and then drives the vibration rod, the heating box generates heat, and heats the vibration rod, so that the vibration rod can better disperse and dry the crystals, and the drying process of the crystals is more uniform. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0016] Figure 2 It is a schematic diagram of the installation structure of the utility model in a side cross-section;
[0017] Figure 3 This is a schematic diagram of the structure of the heating vibration component of the utility model;
[0018] Figure 4 This is a schematic diagram of the installation structure of the electric telescopic rod of the utility model;
[0019] Figure numerals: 1, drying box; 101, ventilation port; 2, discharge funnel; 3, discharging funnel; 4, ventilation fan; 5, rotating discharging component; 501, material blocking plate; 502, rotating shaft; 503, hand wheel; 6, movable cover component; 601, limit pin; 602, sealing cover; 603, movable buckle; 7, heating and vibration component; 701, heating box; 702, vibration rod; 8, belt conveying component; 801, driving shaft; 802, driven shaft; 803, conveyor belt; 9, electric telescopic rod; 10, conveying plate; 11, motor; 12, scraper; 13, telescopic spring; 14, block. 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 The utility model provides a technical solution: a metformin hydrochloride crystallization drying device, comprising a drying box 1, a discharge funnel 2, and a discharging funnel 3, two ventilation fans 4 are arranged on both sides of the drying box 1, a rotating discharging component 5 is arranged on the inner side of the drying box 1, and movable cover components 6 are respectively arranged on the side away from each other of the two ventilation fans 4, a heating and vibration component 7 is arranged on the top of the rotating discharging component 5, and a belt conveying component 8 is arranged on the side of the rotating discharging component 5 away from the discharging funnel 3, two electric telescopic rods 9 are respectively arranged on both sides of the heating and vibration component 7, a plurality of conveying plates 10 are evenly spaced on the belt conveying component 8, a motor 11 is arranged on one side of the bottom of the belt conveying component 8, a scraper 12 is arranged on the top of the belt conveying component 8 close to the heating and vibration component 7, and two telescopic springs 13 are respectively arranged on both ends of one side of the conveying plate 10;
[0022] The heating vibration component 7 includes a heating box 701 and a vibration rod 702. A plurality of vibration rods 702 are evenly spaced inside the heating box 701. The plurality of vibration rods 702 are arranged in five layers, and the five layers of vibration rods 702 are spaced apart from each other.
[0023] Ventilation ports 101 are provided on both sides of the drying box 1, a discharge funnel 2 is provided on the top of the drying box 1, a discharging funnel 3 is provided on one side of the bottom of the drying box 1, a block 14 is provided on the outside of the ventilation port 101, the discharge funnel 2 is fixedly connected to the drying box 1, the discharging funnel 3 is fixedly connected to the drying box 1, the ventilation fan 4 is fixedly connected to the drying box 1 inside the ventilation port 101, the rotating discharging component 5 includes a baffle plate 501, a rotating shaft 502 and a hand wheel 503, the baffle plate 501 is provided with rotating shafts 502 at both ends, the rotating shaft 502 is rotatably connected to the drying box 1 at both ends, one end of the rotating shaft 502 passes through the drying box 1 and is fixedly connected to the hand wheel 503, and the motor 11 is fixedly connected to the drying box 1. In this example, by turning the hand wheel 503, the rotating shaft 502 is driven to rotate, and then the baffle plate 501 is controlled to rotate. When the baffle plate 501 is tilted toward the belt conveyor component 8, the crystals can be repeatedly dried. When the baffle plate 501 is tilted toward the discharge funnel 3, the crystals can be quickly poured out.
[0024] One end of the electric telescopic rod 9 is fixedly connected to the inner wall of the drying box 1, and the other end of the electric telescopic rod 9 is fixedly connected to the outside of the heating box 701. The heating box 701 is fixedly connected to the vibration rod 702. The belt conveying component 8 includes a driving shaft 801, a driven shaft 802 and a conveyor belt 803. A driven shaft 802 is arranged on the top of the driving shaft 801. Both ends of the driving shaft 801 are rotatably connected to the drying box 1. One end of the driving shaft 801 passes through the drying box 1 and is fixedly connected to the transmission shaft of the motor 11. Both ends of the driven shaft 802 are rotatably connected to the drying box 1. One end of the conveyor belt 803 is meshed with the driving shaft 801, and the other end of the conveyor belt 803 is meshed with the driven shaft 802.
[0025] The conveying plate 10 is rotatably connected to the conveying belt 803, one end of the two telescopic springs 13 is fixedly connected to the conveying plate 10, and the other end of the telescopic spring 13 is fixedly connected to the conveying belt 803. In this example, by providing the telescopic spring 13, the conveying plate 10 can be pulled up to convey the crystal.
[0026] The two ends of the scraper 12 are fixedly connected to the drying box 1. In this embodiment, by providing the scraper 12, the crystals on the conveying plate 10 can be scraped off and then heated in the vibrating component 7 for drying.
[0027] The movable cover component 6 includes a limit pin 601, a sealing cover 602 and a movable buckle 603. The sealing cover 602 is slidably connected inside the ventilation port 101. Two limit pins 601 are respectively arranged on both sides of the outside of the sealing cover 602. A movable buckle 603 is arranged on the top of the sealing cover 602. The limit pin 601 is fixedly connected to the sealing cover 602, and the movable buckle 603 is rotatably connected to the sealing cover 602. In this example, by providing the movable buckle 603, the sealing cover 602 can be stuck when the sealing cover 602 closes the ventilation port 101, thereby ensuring the internal temperature of the device is stable.
[0028] Working principle: Metformin hydrochloride crystals are poured into the heating and vibrating component 7 through the discharge funnel 2. At this time, the electric telescopic rod 9 drives the heating box 701, and then drives the vibrating rod 702 to vibrate. The heating box 701 generates heat, heats the vibrating rod 702, and performs crystal drying. At the same time, the agglomerated crystals are crushed, and the crystals pass through the vibrating rod 702 and fall on the baffle plate 501, and then fall on the conveying plate 10. The motor 11 drives the driving shaft 801 to rotate, and then drives the conveyor belt 803, and further drives the driven shaft 80 2 rotates, so that the conveying plate 10 transports the crystals to the upper side, the scraper 12 slides and contacts with the conveying plate 10, the spring stretches, scrapes the crystals on the conveying plate 10, and drops them into the heating box 701 again for drying again, and by turning the hand wheel 503, the rotating shaft 502 is driven to tilt the blocking plate 501 toward the discharge funnel 3, and the crystals are poured out through the discharge funnel 3, and by opening the movable buckle 603 and lowering the sealing cover 602, the block 14 blocks the limit pin 601, and the ventilation fan 4 discharges the air inside the drying box 1.
[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A metformin hydrochloride crystallization and drying device, characterized in that: The invention comprises a drying box (1), a discharge hopper (2) and a discharge hopper (3), wherein two ventilation fans (4) are arranged on both sides of the drying box (1), a rotating discharge component (5) is arranged on the inner side of the drying box (1), movable cover components (6) are respectively arranged on the sides of the two ventilation fans (4) away from each other, a heating vibration component (7) is arranged on the top of the rotating discharge component (5), a belt conveying component (8) is arranged on the side of the rotating discharge component (5) away from the discharge hopper (3), two electric telescopic rods (9) are respectively arranged on both sides of the heating vibration component (7), a plurality of conveying plates (10) are evenly spaced on the belt conveying component (8), a motor (11) is arranged on one side of the bottom of the belt conveying component (8), a scraper (12) is arranged on the top of the belt conveying component (8) close to the heating vibration component (7), and two telescopic springs (13) are respectively arranged on both ends of one side of the conveying plate (10); The heating vibration component (7) comprises a heating box (701) and a vibration rod (702), wherein a plurality of vibration rods (702) are evenly spaced inside the heating box (701), and the plurality of vibration rods (702) are arranged in five layers, respectively, and the five layers of vibration rods (702) are spaced apart from each other.
2. A metformin hydrochloride crystallization and drying device according to claim 1, characterized in that: The drying box (1) is provided with ventilation ports (101) on both sides, a discharge hopper (2) is provided on the top of the drying box (1), and a discharge hopper (3) is provided on one side of the bottom of the drying box (1). A stopper (14) is provided on the outside of the ventilation port (101). The discharge hopper (2) is fixedly connected to the drying box (1), and the discharge hopper (3) is fixedly connected to the drying box (1). The ventilation fan (4) is fixedly connected to the drying box (1) inside the ventilation port (101). The rotating discharge component (5) comprises a baffle plate (501), a rotating shaft (502) and a hand wheel (503). The baffle plate (501) is provided with rotating shafts (502) at both ends. Both ends of the rotating shaft (502) are rotatably connected to the drying box (1). One end of the rotating shaft (502) passes through the drying box (1) and is fixedly connected to the hand wheel (503). The motor (11) is fixedly connected to the drying box (1).
3. A metformin hydrochloride crystallization and drying device according to claim 2, characterized in that: One end of the two electric telescopic rods (9) is fixedly connected to the inner wall of the drying box (1), and the other end of the electric telescopic rod (9) is fixedly connected to the outside of the heating box (701). The heating box (701) is fixedly connected to the vibration rod (702). The belt conveying component (8) comprises a driving shaft (801), a driven shaft (802) and a conveyor belt (803). A driven shaft (802) is arranged on the top of the driving shaft (801). Both ends of the driving shaft (801) are rotatably connected to the drying box (1). One end of the driving shaft (801) passes through the drying box (1) and is fixedly connected to the transmission shaft of the motor (11). Both ends of the driven shaft (802) are rotatably connected to the drying box (1). One end of the conveyor belt (803) is meshedly connected to the driving shaft (801), and the other end of the conveyor belt (803) is meshedly connected to the driven shaft (802).
4. A metformin hydrochloride crystallization and drying device according to claim 3, characterized in that: The conveying plate (10) is rotatably connected to the conveying belt (803); one end of the two telescopic springs (13) is fixedly connected to the conveying plate (10); and the other end of the telescopic springs (13) is fixedly connected to the conveying belt (803).
5. A metformin hydrochloride crystallization and drying device according to claim 1, characterized in that: Both ends of the scraper (12) are fixedly connected to the drying box (1).
6. A metformin hydrochloride crystallization and drying device according to claim 1, characterized in that: The movable cover component (6) comprises a limit pin (601), a sealing cover (602) and a movable buckle (603); the sealing cover (602) is slidably connected inside the ventilation port (101); two limit pins (601) are respectively arranged on both sides of the outside of the sealing cover (602); a movable buckle (603) is arranged on the top of the sealing cover (602); the limit pin (601) is fixedly connected to the sealing cover (602); and the movable buckle (603) is rotatably connected to the sealing cover (602).