Particle drying machine for pharmacy

By designing sealing coupling components and circulating thermal conduction components in pharmaceutical pellet dryers, the problems of drug particle pollution and heat waste are solved, and higher quality drug particles and more efficient heat utilization are achieved.

CN222578760UActive Publication Date: 2025-03-07HENAN DONGTAI PHARM
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Patent Information

Application Number
CN202420388923.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-02-29
Publication Date
2025-03-07
Estimated Expiration
2034-02-28

AI Technical Summary

Technical Problem

After drying, the existing pharmaceutical pellet dryers are susceptible to external impurities and are seriously wasted heat resources.

Method used

A pharmaceutical pellet dryer is designed including a sealing coupling assembly and a circulating thermal conduction assembly. The sealing and coupling assembly avoids external impurities contamination through sealing structure and limiting operations, and the circulating thermal conduction assembly improves the utilization rate of heat resources through desiccant adsorption and recycling.

Benefits of technology

It effectively avoids the pollution of drug particles after drying, improves the quality of drug particles, and reduces the waste of caloric resources and improves the utilization rate of caloricity.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a particle drying machine for pharmacy, which belongs to the technical field of pharmacy and comprises a fixed bottom frame, a sealing material receiving component is arranged in the fixed bottom frame, and a drying bin body is connected above the fixed bottom frame. According to the medicine particle drying device, the sealing material receiving assembly is arranged, the bearing bottom plate is inserted into the fixing frame, the end plate is attached to the side wall of the fixing frame, then the abutting screw rod is rotated to drive the abutting disc to rotate, move and be inserted into the abutting groove, the end plate and the fixing frame are fixed in an abutting mode, and after medicine particles are dried, a valve on a material injection pipe is opened; dried medicine particles in the drying bin body fall onto a bearing bottom plate through a material injection pipe, the medicine particles falling onto the bearing bottom plate are limited through a bearing net frame, sealed material receiving operation of the dried medicine particles is completed, impurities in the external environment are prevented from being attached to the dried medicine particles, and the drying efficiency is improved. And the quality of dried medicine particles is influenced.
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Description

Technical Field

[0001] The utility model belongs to the technical field of pharmaceuticals, and in particular relates to a particle drying machine for pharmaceuticals. Background Art

[0002] Drugs are substances used to prevent, treat and diagnose diseases. In theory, drugs refer to any chemical substance that can affect the physiological functions of body organs and cell metabolic activities.

[0003] Chinese patent application No. 202321176438.6 discloses a pharmaceutical granule dryer, including a drying bin, a sealing plate installed on the upper surface of the drying bin, a first motor installed at the bottom of the sealing plate, a mounting cylinder installed coaxially with the rotor of the first motor, a second motor installed in the inner cavity of the mounting cylinder, a conveying cylinder installed at the bottom of the mounting cylinder, a rotating rod installed coaxially through the conveying cylinder with the rotor of the second motor, and an auger installed on the surface of the rotating rod. The added second motor drives the auger to rotate, and the auger can transport the drug particles at the bottom of the conveying cylinder to the upper part of the conveying cylinder to flow out when rotating, thereby transporting the drug particles at the bottom of the drying bin to the top, exchanging the positions of the drug particles in the drying bin, and allowing the drug particles to flow by continuously rotating the auger, so that the drug particles can effectively contact with the drying gas.

[0004] In the above patent, the dried drug particles directly fall into the collection drawer for collection, but the collection drawer is directly open, and impurities in the external environment fall into the collection drawer, which easily causes the drug particles in the collection drawer to be contaminated; in addition, the heat on the dried drug particles directly diffuses into the external environment, resulting in a waste of heat resources. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides a granule dryer for pharmaceutical use, which has the characteristics of sealed material connection and cyclic heat conduction.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pharmaceutical granule dryer comprises a fixed base frame, a sealed material connection assembly is arranged inside the fixed base frame, a drying bin body is connected above the fixed base frame, a heating mechanism is arranged on one side of the drying bin body, a circulating heat conduction assembly is arranged between the heating mechanism and the sealed material connection assembly, a conveying and rotating mechanism is arranged inside the drying bin body, and a feed port is connected above the drying bin body; the sealed material connection assembly comprises an end plate, a fixed frame, a material injection pipe, a receiving base plate, a receiving net frame and a tightening assembly, a fixed frame is connected inside the fixed base frame, an end plate is arranged at one end of the fixed frame, a tightening assembly is arranged between the end plate and the fixed frame, a receiving base plate is connected on the side wall of the end plate and located inside the fixed frame, a receiving net frame is connected above the receiving base plate, a material injection pipe is connected between the fixed frame and the drying bin body, and a valve is arranged on the material injection pipe.

[0007] Preferably, a sealing ring is connected to a side of the end plate close to the fixed frame, and a sealing groove is provided on the side wall of the fixed frame at a position corresponding to the sealing ring.

[0008] Preferably, the clamping assembly includes a fixing rod, a clamping screw, a clamping plate and a clamping groove, the fixing rod is connected to the top of the end plate, the fixing rod is connected to the clamping screw, the clamping plate is connected to one end of the clamping screw close to the fixing frame, and a clamping groove is provided above the fixing frame and at a position corresponding to the clamping plate.

[0009] Preferably, the circulating heat conduction component includes a circulating pipe, a drying box, a connecting pipe and a box cover, the drying box is connected to one side of the fixed frame, a connecting pipe is connected between the fixed frame and the drying box, a box cover is provided above the drying box, and a circulating pipe is connected between the drying box and the heating mechanism.

[0010] Preferably, the circulating heat-conducting component further comprises a mesh box and a desiccant. The mesh box is arranged inside the drying box, and the interior of the mesh box is filled with the desiccant.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The utility model is provided with a sealed material connection component, the receiving bottom plate is inserted into the interior of the fixed frame, and the end plate is then fitted to the side wall of the fixed frame, and then the tightening screw is rotated to drive the tightening plate to rotate and move and insert it into the tightening groove, so as to tighten and fix the end plate and the fixed frame. After the drug particles are dried, the valve on the injection pipe is opened, and the drug particles dried in the drying bin body fall onto the receiving bottom plate through the injection pipe, and the receiving net frame is used to limit the drug particles falling onto the receiving bottom plate, so as to complete the sealed material connection operation of the dried drug particles, and prevent the debris in the external environment from adhering to the dried drug particles and affecting the quality of the dried drug particles.

[0013] 2. The utility model is provided with a circulating heat-conducting component, and the desiccant is injected into the mesh box, and then the mesh box is placed in the drying box, and the box cover is fixed to the drying box. After the heat inside the fixed frame enters the drying box through the connecting pipe, it is adsorbed and dried by the desiccant, and then injected into the heating mechanism through the circulating pipe, and the subsequent drying operation of the drug particles is added to improve the utilization rate of heat resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 It is a cross-sectional view of the utility model;

[0016] Figure 3 It is a cross-sectional view of the connection state between the fixed frame and the end plate of the utility model;

[0017] Figure 4 For this utility model Figure 3 The enlarged view of point A in the middle;

[0018] Figure 5 It is a cross-sectional view of the drying box of the utility model.

[0019] In the figure: 1. feed inlet; 2. heating mechanism; 3. sealing material receiving assembly; 31. end plate; 32. fixed frame; 33. injection pipe; 34. receiving bottom plate; 35. receiving net frame; 36. sealing ring; 37. tightening assembly; 371. fixing rod; 372. tightening screw; 373. tightening plate; 374. tightening groove; 4. fixed base; 5. drying bin; 6. conveying and rotating mechanism; 7. circulating heat conduction assembly; 71. circulating pipe; 72. drying box; 73. connecting pipe; 74. net box; 75. desiccant; 76. box cover. 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. Example

[0021] See also Figure 1-5The utility model provides the following technical solutions: a pharmaceutical granule dryer, comprising a fixed base frame 4, a sealed material receiving assembly 3 is arranged inside the fixed base frame 4, a drying bin 5 is connected above the fixed base frame 4, a heating mechanism 2 is arranged on one side of the drying bin 5, a circulating heat conduction assembly 7 is arranged between the heating mechanism 2 and the sealed material receiving assembly 3, a conveying and rotating mechanism 6 is arranged inside the drying bin 5, and a feed port 1 is connected above the drying bin 5.

[0022] Specifically, the sealing material connection assembly 3 includes an end plate 31, a fixed frame 32, a material injection pipe 33, a receiving bottom plate 34, a receiving net frame 35 and a tightening assembly 37. The fixed bottom frame 4 is connected to the inside of the fixed frame 32, and the end plate 31 is provided at one end of the fixed frame 32. A tightening assembly 37 is provided between the end plate 31 and the fixed frame 32. The receiving bottom plate 34 is connected to the side wall of the end plate 31 and located inside the fixed frame 32. The receiving net frame 35 is connected above the receiving bottom plate 34. The material injection pipe 33 is connected between the fixed frame 32 and the drying bin body 5, and a valve is provided on the material injection pipe 33.

[0023] By adopting the above technical solution, the receiving bottom plate 34 and the receiving mesh frame 35 are inserted into the fixed frame 32 by holding the handle on the end plate 31. When the end plate 31 is attached to the side wall of the fixed frame 32, the fixing frame 32 and the end plate 31 are fixed by the tightening assembly 37. After the subsequent drug particles are dried, the valve on the injection pipe 33 is opened, and the drug particles dried inside the drying bin 5 fall onto the receiving bottom plate 34 through the injection pipe 33, and the receiving mesh frame 35 is used to limit the drug particles falling onto the receiving bottom plate 34.

[0024] Specifically, a sealing ring 36 is connected to one side of the end plate 31 close to the fixed frame 32, and a sealing groove is provided on the side wall of the fixed frame 32 at a position corresponding to the sealing ring 36.

[0025] By adopting the above technical solution, after the end plate 31 is moved to fit onto the side wall of the fixed frame 32, the sealing ring 36 is inserted into the sealing groove. Under the sealing effect of the sealing ring 36 and the sealing groove, a gap between the end plate 31 and the fixed frame 32 can be avoided.

[0026] Specifically, the tightening assembly 37 includes a fixing rod 371, a tightening screw 372, a tightening plate 373 and a tightening groove 374. The fixing rod 371 is connected to the top of the end plate 31, the fixing rod 371 is connected to the tightening screw 372, the tightening screw 372 is connected to the tightening plate 373 at one end close to the fixing frame 32, and the tightening groove 374 is provided at the top of the fixing frame 32 and at a position corresponding to the tightening plate 373.

[0027] By adopting the above technical solution, when it is necessary to use the clamping assembly 37 to perform a clamping operation on the end plate 31 and the fixed frame 32, the clamping screw 372 is rotated to rotate and move along the fixed rod 371. The rotation of the clamping screw 372 drives the clamping plate 373 to rotate and move and be inserted into the clamping groove 374. With the cooperation of the clamping plate 373 and the clamping groove 374, the end plate 31 and the fixed frame 32 can be clamped and fixed.

[0028] When the present embodiment is used, the handle on the end plate 31 is grasped to insert the receiving bottom plate 34 and the receiving net frame 35 into the interior of the fixed frame 32. When the end plate 31 is fitted to the side wall of the fixed frame 32, the sealing ring 36 is inserted into the sealing groove. Then the tightening screw 372 is rotated to rotate and move along the fixed rod 371. The rotation of the tightening screw 372 drives the tightening plate 373 to rotate and move and insert it into the tightening groove 374. With the cooperation of the tightening plate 373 and the tightening groove 374, the end plate 31 and the fixed frame 32 can be tightened and fixed, and then the drug particles that need to be dried in the pharmaceutical engineering process are injected into the drying bin body 5 through the feed port 1, and then Then the heating mechanism 2 and the conveying and rotating mechanism 6 are started, and the conveying and rotating mechanism 6 is used to drive the pharmaceutical particles in the drying bin 5 to perform a conveying and rotating operation, and the heating mechanism 2 performs a drying operation on the pharmaceutical particles in the drying bin 5. After the drying is completed, the valve on the injection pipe 33 is opened, and the pharmaceutical particles that have been dried in the drying bin 5 fall onto the receiving bottom plate 34 through the injection pipe 33, and the receiving net frame 35 is used to limit the pharmaceutical particles that have fallen onto the receiving bottom plate 34, completing the sealing and receiving operation of the dried pharmaceutical particles, so as to prevent the foreign matter in the external environment from adhering to the dried pharmaceutical particles and affecting the quality of the dried pharmaceutical particles; Example

[0029] The present embodiment is different from the embodiment 1 in that: the circulating heat conducting assembly 7 comprises a circulating pipe 71, a drying box 72, a connecting pipe 73 and a box cover 76; the drying box 72 is connected to one side of the fixed frame 32; the connecting pipe 73 is connected between the fixed frame 32 and the drying box 72; a box cover 76 is provided above the drying box 72; the circulating pipe 71 is connected between the drying box 72 and the heating mechanism 2;

[0030] Specifically, the circulating heat conducting component 7 further includes a mesh box 74 and a desiccant 75. The mesh box 74 is disposed inside the drying box 72, and the mesh box 74 is filled with the desiccant 75.

[0031] By adopting the above technical solution, the desiccant 75 is injected into the mesh box 74, and then the mesh box 74 is placed in the drying box 72. The hot air in the fixed frame 32 enters the drying box 72 through the connecting pipe 73, is adsorbed and dried by the desiccant 75, and then is injected into the heating mechanism 2 through the circulation pipe 71, thereby ensuring the dryness of the hot air entering the heating mechanism 2 and improving the drying effect of the hot air on the drug particles.

[0032] When this embodiment is used, the desiccant 75 is injected into the mesh box 74, and then the mesh box 74 is placed in the drying box 72, and the box cover 76 is fixed to the drying box 72. After the heat inside the fixed frame 32 enters the drying box 72 through the connecting pipe 73, it is adsorbed and dried by the desiccant 75, and then injected into the heating mechanism 2 through the circulation pipe 71, and the subsequent drying operation of the drug particles is added to improve the utilization rate of heat resources.

[0033] The structure and principle of the heating mechanism 2 composed of a heating tube and a heater in the utility model have been disclosed in a pharmaceutical granule dryer disclosed in Chinese patent application No. 202321176438.6, and its working principle is: a heating tube is installed at the lower right part of the drying bin 5, and a heater is installed at the top of the heating tube. When the heater is started, hot air can be injected into the drying bin 5 through the heating tube, so as to heat and dry the pharmaceutical granules inside the drying bin 5.

[0034] The structure and principle of the conveying and rotating mechanism 6 composed of the first motor, the mounting cylinder, the second motor, the conveying cylinder, the rotating rod, the auger, the discharge pipe and the toggle rod in the utility model have been disclosed in a pharmaceutical granule dryer disclosed in Chinese patent application No. 202321176438.6, and its working principle is: a first motor is installed inside the drying bin 5, and the rotor of the first motor is coaxially installed with the mounting cylinder, the inner cavity of the mounting cylinder is installed with the second motor, and the bottom of the mounting cylinder is installed with a conveying cylinder, and the rotor of the second motor coaxially passes through the conveying cylinder and is installed with a rotating rod, and an auger is installed on the surface of the rotating rod, and the discharge pipes are installed on both sides of the upper part of the conveying cylinder, and the toggle rods are evenly installed on the surface of the conveying cylinder. When in use, starting the second motor can drive the rotating rod to rotate, and the rotating rod can drive the auger to rotate, and the auger When the auger rotates, it can transport the pharmaceutical particles located at the lower part of the inner cavity of the drying bin body 5 to the conveying cylinder. The auger continues to rotate and can transport the pharmaceutical particles at the lower part of the conveying cylinder to the discharge pipe at the upper part of the conveying cylinder to flow out, thereby transporting the pharmaceutical particles at the lower part of the drying bin body 5 to the upper part, and interchanges the positions of the pharmaceutical particles in the drying bin body 5, thereby improving the drying efficiency of the pharmaceutical particles, and discharging the pharmaceutical particles transported by the auger from the conveying cylinder through the discharge pipe. The toggle rod will rotate with the rotation of the conveying cylinder, and can break up the pharmaceutical particles in the drying bin body 5 during rotation, so that the pharmaceutical particles will not accumulate, the pharmaceuticals will not be in close contact, and there will be gaps between the pharmaceuticals. The pharmaceutical particles can contact the drying hot air through the gaps, so that the device can quickly dry the pharmaceutical particles.

[0035] The working principle and use process of the present invention are as follows: the handle on the end plate 31 is grasped to insert the receiving bottom plate 34 and the receiving net frame 35 into the interior of the fixed frame 32. When the end plate 31 is fitted to the side wall of the fixed frame 32, the sealing ring 36 is inserted into the sealing groove. Then the tightening screw 372 is rotated to make it rotate and move along the fixing rod 371. The rotation of the tightening screw 372 drives the tightening plate 373 to rotate and move and insert it into the tightening groove 374. With the cooperation of the tightening plate 373 and the tightening groove 374, the end plate 31 and the fixed frame 32 can be tightened and fixed, and the desiccant 75 is injected into the net box 74. The net box 74 is then placed in the drying box 72, and the box cover 76 is fixed to the drying box 72. Then, the drug particles that need to be dried in the pharmaceutical engineering are injected into the drying bin 5 through the feed port 1, and then the heating mechanism 2 and the conveying mechanism are started. The rotating mechanism 6 uses the conveying rotating mechanism 6 to drive the drug particles inside the drying bin 5 to perform a conveying and rotating operation, and the heating mechanism 2 performs a drying operation on the drug particles inside the drying bin 5. After drying, the valve on the injection pipe 33 is opened, and the dried drug particles inside the drying bin 5 fall onto the receiving bottom plate 34 through the injection pipe 33, and the receiving mesh frame 35 is used to limit the drug particles falling on the receiving bottom plate 34, completing the sealing and receiving operation of the dried drug particles to prevent debris in the external environment from adhering to the dried drug particles and affecting the quality of the dried drug particles. After the heat inside the fixed frame 32 enters the drying box 72 through the connecting pipe 73, it is adsorbed and dried by the desiccant 75, and then injected into the heating mechanism 2 through the circulation pipe 71, and the subsequent drying operation of the drug particles is added to improve the utilization rate of heat resources.

[0036] 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 granule dryer for pharmaceutical use, comprising a fixed base frame, characterized in that: A sealed material connection assembly is provided inside the fixed base frame, a drying bin body is connected to the top of the fixed base frame, a heating mechanism is provided on one side of the drying bin body, a circulating heat conduction assembly is provided between the heating mechanism and the sealed material connection assembly, a conveying and rotating mechanism is provided inside the drying bin body, and a feed port is connected to the top of the drying bin body; the sealed material connection assembly comprises an end plate, a fixed frame, a material injection pipe, a receiving bottom plate, a receiving net frame and a tightening assembly, a fixed frame is connected inside the fixed base frame, an end plate is provided at one end of the fixed frame, a tightening assembly is provided between the end plate and the fixed frame, a receiving bottom plate is connected on the side wall of the end plate and located inside the fixed frame, a receiving net frame is connected to the top of the receiving bottom plate, a material injection pipe is connected between the fixed frame and the drying bin body, and a valve is provided on the material injection pipe.

2. A pharmaceutical granule dryer according to claim 1, characterized in that: A sealing ring is connected to one side of the end plate close to the fixed frame, and a sealing groove is arranged on the side wall of the fixed frame at a position corresponding to the sealing ring.

3. A pharmaceutical granule dryer according to claim 1, characterized in that: The clamping assembly includes a fixing rod, a clamping screw, a clamping plate and a clamping groove. The fixing rod is connected to the top of the end plate, the fixing rod is connected to the clamping screw, the clamping plate is connected to one end of the clamping screw close to the fixing frame, and a clamping groove is provided above the fixing frame and at a position corresponding to the clamping plate.

4. A pharmaceutical granule dryer according to claim 1, characterized in that: The circulating heat conduction component includes a circulating pipe, a drying box, a connecting pipe and a box cover. The drying box is connected to one side of the fixed frame, a connecting pipe is connected between the fixed frame and the drying box, a box cover is arranged above the drying box, and a circulating pipe is connected between the drying box and the heating mechanism.

5. A pharmaceutical granule dryer according to claim 4, characterized in that: The circulating heat-conducting component also includes a mesh box and a desiccant. The mesh box is arranged inside the drying box, and the mesh box is filled with the desiccant.

Citation Information

Patent Citations

  • Particle drying machine for pharmacy

    CN220206289U