Bottom barrel reflective conical air inlet structure of medicinal fluidized bed granulation dryer

Abstract

The utility model relates to the technical field of drying machines, in particular to a reflective conical air inlet structure of a bottom barrel of a medicinal fluidized bed granulation drying machine, which comprises a main machine and an air inlet assembly, and the air inlet assembly comprises a feeding pot, an airflow distribution plate, the bottom barrel, an air inlet channel and an air outlet channel; external air flow is sucked into the air inlet channel and diffused in the air inlet channel, so that the external air flow can uniformly enter the bottom barrel, passes through the bottom barrel and enters the feeding pot from the air flow distribution plate for fluidization boiling work, the heating device in the main machine is started, the air flow in the feeding pot is heated, and medicine particles are put into the main machine. Medicine particles are suspended in the main machine through hot air flow, drying of the medicine particles is achieved, and therefore the problems that an air inlet channel of an existing medicine fluidized bed granulation drying machine is of a rectangular structure, hot air cannot uniformly enter the main machine, and the drying effect on the medicine particles is poor are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of dryers, in particular to a reflective conical air inlet structure at the bottom barrel of a pharmaceutical fluidized bed granulation dryer. Background Art

[0002] The fluidized bed granulation dryer is a widely used drying and granulation equipment, and the pharmaceutical fluidized bed granulation dryer can efficiently process pharmaceutical granules and improve the stability and quality of products.

[0003] At present, the fluidized bed granulation dryer in the prior art includes an air inlet mechanism and a main machine. The pharmaceutical granules to be dried are put into the main machine, and the air inlet mechanism is started to introduce external wind force into the main machine. Then, the heating device in the main machine is started to heat the wind force, and the pharmaceutical granules are suspended in the main machine through the hot air flow to realize the drying of the pharmaceutical granules. Finally, the dried pharmaceutical granules and air flow are discharged through the exhaust device on the main machine.

[0004] However, in the above - mentioned way, the air inlet channel of the air inlet mechanism adopts a rectangular structure, which makes the hot air enter the main machine unevenly. From the simulation streamline, most of the hot air is concentrated at one end far from the air inlet hole, and there may be a phenomenon of channeling in the granules in the main machine, resulting in poor drying effect on the pharmaceutical granules. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a reflective conical air inlet structure at the bottom barrel of a pharmaceutical fluidized bed granulation dryer, aiming to solve the problem that the air inlet channel of the existing pharmaceutical fluidized bed granulation dryer adopts a rectangular structure, which makes the hot air enter the main machine unevenly. From the simulation streamline, most of the hot air is concentrated at one end far from the air inlet hole, and there may be a phenomenon of channeling in the granules in the main machine, resulting in poor drying effect on the pharmaceutical granules.

[0006] To achieve the above purpose, the utility model provides a reflective conical air inlet structure at the bottom barrel of a pharmaceutical fluidized bed granulation dryer, which includes a main machine and an air inlet assembly. The air inlet assembly includes a feeding pot, an air flow distribution plate, a bottom barrel, an air inlet channel and an air outlet channel;

[0007] The feeding pot is communicated with the main machine and is located at the bottom of the main machine. The air flow distribution plate is fixedly connected with the feeding pot and is located at the bottom of the feeding pot. The bottom barrel is arranged at the bottom of the air flow distribution plate. The air inlet channel is communicated with the bottom barrel and is located on the side of the bottom barrel. The air outlet channel is communicated with the main machine and is located on one side of the main machine.

[0008] Wherein, the bottom barrel has an elliptical air inlet, and the elliptical air inlet is located on the side of the bottom barrel close to the air inlet channel.

[0009] Wherein, the air inlet channel has an elliptical air outlet and a circular air inlet. The elliptical air outlet is located on one side of the air inlet channel close to the elliptical air inlet, and the circular air inlet is arranged on the side of the air inlet channel far from the elliptical air outlet.

[0010] Wherein, the reflective conical air inlet structure of the bottom barrel of the pharmaceutical fluidized bed granulator dryer further includes a fixing mechanism. The fixing mechanism includes a support plate, a fixing bottom plate, fixing screws, a support plate and a column. The support plate is fixedly connected to the bottom barrel and is located on one side of the bottom barrel. The fixing bottom plate is fixedly connected to the support plate and is located on the side of the support plate. The fixing screws are threadedly connected to the support plate, pass through the fixing bottom plate, and are located on one side of the support plate. The support plate is arranged on the side of the fixing bottom plate, and the column is threadedly connected to the support plate and is located on the side of the support plate.

[0011] In the reflective conical air inlet structure of the bottom barrel of the pharmaceutical fluidized bed granulator dryer of the present utility model, when it is necessary to dry drug particles, the staff can start the fan. Through the operation of the fan, external air flow is inhaled into the air inlet channel and diffused in the air inlet channel, so that it can evenly enter the bottom barrel, pass through the bottom barrel, enter the feeding pot from the air distribution plate for fluidized boiling work. The air distribution plate can ensure that the air flow can evenly enter the feeding pot from the bottom barrel. At this time, start the heating device in the main machine to heat the air flow in the feeding pot. At the same time, put the drug particles to be dried into the main machine, and suspend the drug particles in the main machine through the heated air flow that has completed heating to realize the drying of the drug particles. And after the drying of the drug particles is completed, the drug particles and the air flow are discharged through the air outlet channel, thus solving the problem that the air inlet channel of the existing pharmaceutical fluidized bed granulator dryer adopts a rectangular structure, resulting in uneven entry of hot air into the main machine. From the perspective of the simulation streamline, most of the hot air is concentrated at one end far from the air inlet hole, and there may be a phenomenon of channeling in the particles in the main machine, thus resulting in poor drying effect of the drug particles. Description of the Drawings

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art.

[0013] Figure 1 is a side view of the whole reflective conical air inlet structure of the bottom barrel of the pharmaceutical fluidized bed granulator dryer of the present utility model.

[0014] Figure 2 is a top view of the bottom barrel and the air inlet channel of the reflective conical air inlet structure of the bottom barrel of the pharmaceutical fluidized bed granulator dryer of the present utility model.

[0015] Figure 3 This is the front view of the bottom barrel and the air inlet channel of the reflective conical air inlet structure of the bottom barrel of the medicinal fluidized bed granulation dryer of the present utility model.

[0016] Figure 4 This is the schematic structural view of the fixing mechanism of the reflective conical air inlet structure of the bottom barrel of the medicinal fluidized bed granulation dryer of the present utility model.

[0017] 101 - Main machine, 102 - Air inlet assembly, 103 - Feeding pot, 104 - Air distribution plate, 105 - Bottom barrel, 106 - Air inlet channel, 107 - Air outlet channel, 108 - Fixing mechanism, 109 - Oval air inlet, 110 - Oval air outlet, 111 - Circular air inlet, 112 - Column, 113 - Fixing bottom plate, 114 - Support plate, 115 - Fixing screw, 116 - Support board. Detailed implementation manners

[0018] Please refer to Figures 1 to 4 , Figure 1 This is the side view of the whole reflective conical air inlet structure of the bottom barrel 105 of the medicinal fluidized bed granulation dryer of the present utility model, Figure 2 This is the top view of the bottom barrel and the air inlet channel of the reflective conical air inlet structure of the bottom barrel 105 of the medicinal fluidized bed granulation dryer of the present utility model, Figure 3 This is the front view of the bottom barrel and the air inlet channel of the reflective conical air inlet structure of the bottom barrel 105 of the medicinal fluidized bed granulation dryer of the present utility model, Figure 1 This is the schematic structural view of the fixing mechanism of the reflective conical air inlet structure of the bottom barrel 105 of the medicinal fluidized bed granulation dryer of the present utility model.

[0019] The reflective conical air inlet structure of the bottom barrel of the medicinal fluidized bed granulation dryer of the present utility model includes a main machine 101, an air inlet assembly 102 and a fixing mechanism 108. The air inlet assembly 102 includes a feeding pot 103, an air distribution plate 104, a bottom barrel 105, an air inlet channel 106 and an air outlet channel 107. The bottom barrel 105 has an oval air inlet 109. The air inlet channel 106 has an oval air outlet 110 and a circular air inlet 111. The fixing mechanism 108 includes a support board 116, a fixing bottom plate 113, fixing screws 115, a support plate 114 and a column 112. Through the foregoing solution, the problem that the existing air inlet channel 106 of the medicinal fluidized bed granulation dryer adopts a rectangular structure, resulting in uneven hot air entering the main machine 101. From the simulation streamline, most of the hot air is concentrated at one end far from the air inlet hole, and there may be a phenomenon of channeling of particles in the main machine 101, thus leading to poor drying effect on drug particles is solved.

[0020] For this specific implementation manner, drug particles are put into the main machine 101 for drying and processing.

[0021] Among them, the feeding pot 103 is communicated with the main machine 101 and is located at the bottom of the main machine 101. The air flow distribution plate 104 is fixedly connected to the feeding pot 103 and is located at the bottom of the feeding pot 103. The bottom barrel 105 is arranged on one side of the air flow distribution plate 104. The air inlet channel 106 is communicated with the bottom barrel 105 and is located on the side of the bottom barrel 105. The air outlet channel 107 is communicated with the main machine 101 and is located on one side of the main machine 101. When it is necessary to dry the drug particles, the staff can start the fan. Through the operation of the fan, the external air flow is sucked into the air inlet channel 106 and diffused in the air inlet channel 106, so that it can enter the bottom barrel 105 evenly, pass through the bottom barrel 105, enter the feeding pot 103 from the air flow distribution plate 104 to carry out fluidized boiling work. The air flow distribution plate 104 can ensure that the air flow can enter the feeding pot 103 evenly from the bottom barrel 105. At this time, start the heating device in the main machine 101 to heat the air flow in the feeding pot 103. At the same time, put the drug particles to be dried into the main machine 101, and suspend the drug particles in the main machine 101 through the heated air flow that has completed heating, so as to realize the drying of the drug particles. After the drying of the drug particles is completed, the drug particles and the air flow are discharged through the air outlet channel 107, thus solving the problem that the existing medicinal fluidized bed granulation dryer has a rectangular structure for the air inlet channel 106, resulting in uneven entry of hot air into the main machine 101. From the perspective of the simulation streamline, most of the hot air is concentrated at one end far from the air inlet hole, and there may be a phenomenon of channeling in the particles in the main machine 101, resulting in poor drying effect of the drug particles.

[0022] Secondly, the elliptical air inlet 109 is located on the side of the bottom barrel 105 close to the air inlet channel 106. By arranging the elliptical air inlet 109 on the side of the bottom barrel 105 close to the air inlet channel 106, the air flow entering the bottom barrel 105 from the air inlet channel 106 can be evenly diffused.

[0023] Thirdly, the elliptical air outlet 110 is located on the side of the air inlet channel 106 close to the elliptical air inlet 109, and the circular air inlet 111 is arranged on the side of the air inlet channel 106 far from the elliptical air outlet 110. The external air flow enters from the circular air inlet 111 of the air inlet channel 106, diffuses in the air inlet channel 106, and then is discharged through the elliptical air outlet 110, so that the air flow can enter the bottom barrel 105 from the elliptical air inlet 109 of the bottom barrel 105.

[0024] In addition, the support plate 116 is fixedly connected to the bottom barrel 105 and is located on one side of the bottom barrel 105. The fixed bottom plate 113 is fixedly connected to the support plate 116 and is located on the side of the support plate 116. The fixed screw 115 is threadedly connected to the support plate 116, passes through the fixed bottom plate 113, and is located on one side of the support plate 116. The support plate 114 is disposed on the side of the fixed bottom plate 113. The column 112 is threadedly connected to the support plate 114 and is located on the side of the support plate 114. The support plate 116 is disposed on the side of the bottom barrel 105, and the support plate 116 is fixed to the fixed bottom plate 113 using the fixed screw 115. At the same time, the side of the fixed bottom plate 113 away from the support plate 116 is fixed to the support plate 114, and the support plate 114 is fixed to the column 112, so that the position of the bottom barrel 105 is fixed, preventing it from shifting during use and affecting the air intake effect.

[0025] The reflective conical air inlet structure at the bottom barrel of the medicinal fluidized bed granulator and dryer of the present utility model. When it is necessary to dry drug particles, the staff can start the fan. Through the operation of the fan, external air flow is inhaled from the circular air inlet 111 into the air inlet channel 106, diffused in the air inlet channel 106, and then discharged through the elliptical air outlet 110, so that the air flow can enter the bottom barrel 105 from the elliptical air inlet 109 of the bottom barrel 105. The air flow entering the bottom barrel 105 from the air inlet channel 106 can be evenly diffused, pass through the bottom barrel 105, enter the feeding pot 103 from the air flow distribution plate 104 to perform fluidized boiling work. The air flow distribution plate 104 can ensure that the air flow can evenly enter the feeding pot 103 from the bottom barrel 105. At this time, start the heating device in the main machine 101 to heat the air flow in the feeding pot 103. At the same time, put the drug particles to be dried into the main machine 101, and suspend the drug particles in the main machine 101 through the heated air flow that has completed heating to realize the drying of the drug particles. After the drying of the drug particles is completed, the drug particles and the air flow are discharged through the air outlet channel 107. A support plate 116 is arranged on the side of the bottom barrel 105, and the support plate 116 is fixed on the fixed bottom plate 113 with the fixing screw 115. At the same time, the side of the fixed bottom plate 113 away from the support plate 116 is fixed on the support plate 114, and the support plate 114 is fixed on the column 112, so that the position of the bottom barrel 105 is fixed, avoiding deviation during use and affecting the air inlet effect, thereby solving the problem that the air inlet channel 106 of the existing medicinal fluidized bed granulator and dryer adopts a rectangular structure, resulting in uneven hot air entering the main machine 101. From the perspective of the simulation streamline, most of the hot air is concentrated at one end far from the air inlet hole, and there may be a phenomenon of channeling of particles in the main machine 101, resulting in poor drying effect on the drug particles.

[0026] The above-disclosed are only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Those of ordinary skill in the art can understand all or part of the processes of implementing the above embodiments, and the equivalent changes made according to the claims of the present application still fall within the scope covered by the present application.

Claims

1. A reflective conical air inlet structure of the bottom barrel of a medicinal fluidized bed granulating dryer, comprising a main machine, characterized in that: Also included is an air intake assembly; The air inlet assembly includes a feed pot, an air flow distribution plate, a bottom barrel, an air inlet channel and an air outlet channel; The feeding pot is connected to the main unit and is located at the bottom of the main unit. The air flow distribution plate is fixedly connected to the feeding pot and is located at the bottom of the feeding pot. The bottom barrel is arranged at the bottom of the air flow distribution plate. The air inlet channel is connected to the bottom barrel and is located on the side of the bottom barrel. The air outlet channel is connected to the main unit and is located on one side of the main unit.

2. The reflective conical air inlet structure of the bottom barrel of the medicinal fluidized bed granulating dryer according to claim 1, characterized in that: The bottom barrel has an elliptical air inlet, and the elliptical air inlet is located on a side of the bottom barrel close to the air inlet channel.

3. The reflective conical air inlet structure of the bottom barrel of the medicinal fluidized bed granulating dryer according to claim 2, characterized in that: The air inlet channel has an elliptical air outlet and a circular air inlet, the elliptical air outlet is located on a side of the air inlet channel close to the elliptical air inlet, and the circular air inlet is arranged on a side of the air inlet channel away from the elliptical air outlet.

4. The reflective conical air inlet structure of the bottom barrel of the medicinal fluidized bed granulating dryer according to claim 3, characterized in that: The reflective conical air inlet structure of the bottom barrel of the medicinal fluidized bed granulation dryer also includes a fixing mechanism, which includes a support plate, a fixed bottom plate, fixing screws, a support plate and a column. The support plate is fixedly connected to the bottom barrel and is located on one side of the bottom barrel. The fixed bottom plate is fixedly connected to the support plate and is located on the side of the support plate. The fixing screw is threadedly connected to the support plate and passes through the fixed bottom plate and is located on one side of the support plate. The support plate is arranged on the side of the fixed bottom plate. The column is threadedly connected to the support plate and is located on the side of the support plate.

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