Efficient pill drying device

Abstract

The utility model provides an efficient pill drying device which comprises a drying box and a pre-drying box, the drying box is provided with n drying chambers, placing frames are arranged in the drying chambers, and a gas distribution assembly is arranged at the bottom of each drying chamber. The gas distribution assembly comprises a cavity and a distribution plate, a plurality of through holes are evenly distributed in the distribution plate, the cavity is provided with a gas inlet, and a gas outlet is formed in the side wall of the top of the drying chamber. A heat exchange pipe is arranged in the pre-drying oven, and air holes are uniformly distributed in the pipe wall of the heat exchange pipe; a second gas shunting assembly is arranged at the bottom of the pre-drying oven, the second gas shunting assembly comprises a second cavity and a second shunting plate, a plurality of second through holes are uniformly distributed in the second shunting plate, a second gas inlet is formed in the second cavity, and the second gas inlet is communicated with the gas outlet through a pipeline; a second air outlet is formed in the top of the pre-drying oven and communicates with the drying chamber, the drying chamber communicates with the heating chamber, and the heating chamber communicates with the air inlet through an air pump. By preheating the pills, pill cracking caused by sudden temperature rise and sudden humidity drop of the pills can be avoided.

Description

Technical Field

[0001] This utility model relates to the technical field of medicinal material processing equipment, specifically to a high-efficiency drying device for pills. Background Technology

[0002] Traditional Chinese medicine pills are a common dosage form of prepared Chinese medicine. They are made from a combination of various Chinese medicinal herbs. After taking these pills, they can effectively regulate the body, activate immune cells, strengthen the constitution, improve immunity and resistance, control the progression of disease, and achieve therapeutic goals. The advantages of traditional Chinese medicine pills generally include simple and convenient production, wide applicability, good efficacy, and relatively mild side effects. During processing, hot air drying ovens are often used to dry the pills, primarily to remove moisture and facilitate storage. Traditional drying and sieving equipment, when drying prepared Chinese medicine pills, often results in a situation where a large number of pills are piled together, making it difficult for hot air to penetrate the pills evenly and causing uneven drying. Furthermore, during pill drying, hot air cannot fully contact the pills. When hot air is blown from bottom to top, it initially contacts the corresponding part of the pill, leaving the opposite side exposed to drafts. This can cause uneven drying between the exposed and initially exposed parts of the pill, leading to temperature differences and potential cracking, thus reducing pill quality. To address this, a high-efficiency pill drying device is proposed. This device utilizes the residual heat of the hot air to pre-dry the pills, preventing cracking due to large temperature differences upon entering the drying oven, while simultaneously improving drying efficiency. Summary of the Invention

[0003] The purpose of this invention is to provide a high-efficiency pill drying device to solve the above-mentioned technical problems.

[0004] This utility model provides a high-efficiency pill drying device, including a drying chamber and a pre-drying chamber. The drying chamber has n drying chambers from bottom to top, where n is an integer greater than 2. Each drying chamber has a placement frame, and each drying chamber has a gas diversion component at its bottom. The gas diversion component includes a cavity and a diversion plate. The diversion plate has a plurality of through holes evenly distributed, with both ends of the through holes communicating with the cavity and the drying chamber, respectively. The cavity has an air inlet, and the top side wall of the drying chamber has an air outlet. The pre-drying chamber has a heat exchange tube, an inlet at its top, and an outlet on its bottom side wall. One end of the heat exchange tube communicates with the inlet, and the other end communicates with the outlet. The tube wall has evenly distributed pores. The bottom of the pre-drying chamber has a second gas diversion component, which includes a second cavity and a second diversion plate. The second diversion plate has a plurality of second through holes evenly distributed. The second cavity has a second air inlet, and the second air inlet and the air outlet are connected by a pipe. The pre-drying oven is provided with a second air outlet at the top, which is connected to a drying chamber. The drying chamber is connected to a heating chamber, and the heating chamber is connected to the air inlet via an air pump.

[0005] Preferably, a second air pump is provided between the second air inlet and the air outlet to deliver gas from the drying chamber to the second cavity.

[0006] Preferably, the drying chamber is filled with a desiccant, which is used to absorb moisture from the gas.

[0007] Preferably, the heating chamber is provided with a heating tube, which is used to increase the gas temperature.

[0008] Preferably, the heat exchange tube is a serpentine tube or a spiral coil.

[0009] Preferably, the drying oven has n doors on its side wall, with each door located in a drying chamber.

[0010] Preferably, a sealing door is hinged to the side wall of the pre-drying oven at the position corresponding to the discharge port.

[0011] Preferably, each drying chamber is equipped with a temperature detector and a humidity detector, both of which are electrically connected to a display. The temperature detector and the humidity detector are used to detect changes in humidity and temperature within the drying chamber, respectively.

[0012] The beneficial effects of this invention are as follows: This invention provides a high-efficiency pill drying device. By setting up a pre-drying chamber and a drying chamber, the gas in the drying chamber of the drying chamber is guided to the pre-drying chamber. The residual heat of the gas is used to preheat and pre-dry the pills in the pre-drying chamber, which can remove some of the moisture from the pills. The pills are then placed in the drying chamber after being raised to a certain temperature, avoiding the pills from cracking due to sudden temperature rise and humidity drop. At the same time, the viscosity of the pills is reduced after pre-drying, so the pills will not stick to the placement frame. They can roll on their own with the air flow in the drying chamber, and all sides of the pills can come into contact with the drying hot air, resulting in more uniform drying and increased drying quality and efficiency. Each drying chamber is equipped with a gas diversion component at the bottom, which can evenly distribute the hot air to the corners of the drying chamber. The hot air is blown out through the through holes, which can increase the flow rate of the hot air, causing the pills to roll continuously under the blowing of the hot air. The pills can be turned over without vibrating the placement frame. In addition, the gas passing through the drying chamber is collected and sent to the pre-drying chamber, where the residual heat of the gas is used to achieve pre-drying treatment, which can make full use of the gas's thermal energy. The gas coming out of the pre-drying chamber passes through the drying chamber and the heating chamber in sequence to dehumidify and heat up the gas. Then, the treated gas is pumped into the drying chamber, realizing continuous gas circulation. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of a high-efficiency pill drying device according to the present invention.

[0014] In the diagram: 1-Pre-drying oven, 2-Drying oven, 3-Drying chamber, 4-Heating chamber, 5-Air pump, 6-Second air pump, 101-Heat exchange tube, 102-Feed inlet, 103-Sealed door, 104-Second through hole, 105-Second cavity, 106-Second air inlet, 107-Second air outlet, 201-Drying chamber, 202-Through hole, 203-Cavity, 204-Air inlet, 205-Air outlet. Detailed Implementation

[0015] To enable those skilled in the art to better understand the present invention, the present invention will be further described in detail below with reference to the accompanying drawings. The described embodiments are merely some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0016] Example 1

[0017] Reference Figure 1This embodiment provides a high-efficiency pill drying device, including a drying chamber 2 and a pre-drying chamber 1. The drying chamber 2 has n drying chambers 201 arranged from bottom to top, where n is an integer greater than 2. Each drying chamber 201 has a placement frame, and each drying chamber 201 has a gas diversion component at its bottom. The gas diversion component includes a cavity 203 and a diversion plate. The diversion plate has a plurality of through holes 202 evenly distributed on it, with both ends of the through holes 202 communicating with the cavity 203 and the drying chamber 201, respectively. The cavity 203 has an air inlet 204, and the top side wall of the drying chamber 201 has an air outlet 205. The pre-drying chamber 1 has a heat exchange tube 101, a feed inlet 102 at its top, and a discharge outlet at its bottom side wall. One end of the heat exchange tube 101 is connected to the feed inlet 102, and the other end is connected to the discharge outlet. The tube wall of the heat exchange tube 101 has evenly distributed air holes. The pre-drying oven 1 is equipped with a second gas diversion assembly at its bottom. The second gas diversion assembly includes a second cavity 105 and a second diversion plate. The second diversion plate is evenly distributed with a plurality of second through holes 104. The second cavity 105 is equipped with a second air inlet 106, which is connected to the air outlet 205 through a pipe. The pre-drying oven 1 is equipped with a second air outlet 107 at its top. The second air outlet 107 is connected to a drying chamber 3, which is connected to a heating chamber 4. The heating chamber 4 is connected to the air inlet 204 through an air pump 5.

[0018] A second air pump 6 is provided between the second air inlet 106 and the air outlet 205 to deliver gas from the drying chamber 201 to the second cavity 105.

[0019] The drying chamber 3 is filled with a desiccant, which is used to absorb moisture from the gas. The desiccant can be silica gel and is reusable.

[0020] The heating chamber 4 is equipped with a heating tube, which is used to raise the gas temperature. The gas passes through the heating chamber 4, exchanges heat with the heating tube, and after being heated, is transported by the air pump 5 to the cavity 203 of the gas distribution assembly corresponding to each drying chamber 201. The heating tube can be an electric heating tube.

[0021] The heat exchange tube 101 is a serpentine tube or a spiral coil. The pills are added through the feed inlet 102 and roll downwards along the heat exchange tube 101 under gravity. Because the heat exchange tube 101 has pores in its wall, hot air passes through the heat exchange tube 101 from bottom to top and comes into contact with the pills, thus achieving preheating treatment of the pills. Using a serpentine tube or a spiral coil for the heat exchange tube 101 can increase the travel distance of the pills in the preheating chamber, resulting in more thorough preheating.

[0022] The drying oven 2 has n doors on its side wall. Each door is located in a drying chamber 201. Each drying chamber 201 operates independently and does not affect the others. Operators can replace the pills in the drying chamber 201 with a new batch at any time according to the different conditions of the pills, without affecting the continued operation of other drying chambers 201.

[0023] A sealing door 103 is hinged to the side wall of the pre-drying oven 1 at the position corresponding to the discharge port. When the drying chamber 201 is ready to be used for the next batch of pills, the sealing door 103 is opened, some of the pre-treated pills are transferred to the placement frame and pushed into the drying chamber 201, and the door is closed to start a new round of drying operations.

[0024] Each drying chamber 201 is equipped with a temperature detector and a humidity detector. Both the temperature detector and the humidity detector are electrically connected to a display. The temperature detector and the humidity detector are used to detect the changes in humidity and temperature in the drying chamber 201, respectively. The display can display the temperature and humidity values ​​in the drying chamber 201 in real time, which is convenient for operators to monitor.

[0025] This invention provides a high-efficiency pill drying device that utilizes the residual heat of the gas to preheat and pre-dry the pills in the pre-drying chamber. This removes some of the moisture from the pills, raising them to a certain temperature before placing them in the drying chamber. This prevents the pills from cracking due to sudden temperature increases and humidity drops. Furthermore, the pre-drying process reduces the viscosity of the pills, preventing them from sticking to the placement frame. They can then roll freely with the gas flow in the drying chamber, ensuring all sides of the pills come into contact with the hot, dry air, resulting in more uniform drying and increased drying quality and efficiency.

[0026] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model and do not limit the utility model to the specific implementations described. Obviously, other modifications and variations can be made based on the content of this specification. The embodiments selected and specifically described in this specification are intended to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. They are not intended to limit the utility model, and any simple modifications to this utility model fall within the protection scope of this utility model.

Claims

1. A high-efficiency pill drying device, comprising a drying chamber and a pre-drying chamber, characterized in that: The drying box is provided with n drying chambers from bottom to top, n is an integer greater than 2, a placing frame is arranged in each drying chamber, a gas shunting component is arranged at the bottom of each drying chamber, the gas shunting component comprises a cavity and a shunting plate, a plurality of through holes are uniformly arranged on the shunting plate, and the through holes are in communication with the cavity and the drying chamber at two ends; the cavity is provided with an air inlet, and the top side wall of the drying chamber is provided with an air outlet; a heat exchange pipe is arranged in the pre-drying box, the pre-drying box is provided with an inlet at the top and an outlet at the bottom side wall, one end of the heat exchange pipe is in communication with the inlet, and the other end is in communication with the outlet, and a plurality of air holes are uniformly arranged on the wall of the heat exchange pipe; the pre-drying box is provided with a second gas shunting component at the bottom, the second gas shunting component comprises a second cavity and a second shunting plate, a plurality of second through holes are uniformly arranged on the second shunting plate, the second cavity is provided with a second air inlet, and the second air inlet is in communication with the air outlet through a pipeline; the pre-drying box is provided with a second air outlet at the top, the second air outlet is in communication with a drying chamber, the drying chamber is in communication with a heating chamber, and the heating chamber is in communication with the air inlet through a gas pump.

2. The pill high-efficiency drying device according to claim 1, characterized in that, A second gas pump is arranged between the second air inlet and the air outlet, for conveying gas from the drying chamber into the second cavity.

3. The pill high-efficiency drying device according to claim 2, characterized in that, The drying chamber is filled with a drying agent for absorbing moisture in the gas.

4. The pill high-efficiency drying device according to claim 2, characterized in that, The heating chamber is provided with a heating pipe for increasing the temperature of the gas.

5. The pill high efficiency drying device according to claim 1, characterized in that, The heat exchange pipe is a serpentine pipe or a spiral coil pipe.

6. The pill high-efficiency drying device according to claim 5, characterized in that, The side wall of the drying box is provided with n box doors, and each box door is located in each drying chamber.

7. The pill high-efficiency drying device according to claim 1, characterized in that, A sealing door is hinged to the side wall of the pre-drying box at the position of the outlet.

8. The pill high efficiency drying device according to claim 1, characterized in that, A temperature detector and a humidity detector are arranged in each drying chamber, and the temperature detector and the humidity detector are electrically connected with a display, and the temperature detector and the humidity detector are used for detecting the humidity and temperature changes in the drying chamber respectively.

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