Hot air drying oven for producing labetalol hydrochloride
By introducing a lifting plate and a temperature control system into the hot air drying oven, the automatic turning and temperature regulation of labetalol hydrochloride raw material are realized, which solves the problems of heat loss and complex operation in the existing technology and improves drying efficiency and temperature control stability.
Patent Information
- Application Number
- CN202423313379.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2034-12-31
AI Technical Summary
In the current production process of labetalol hydrochloride, the raw materials in the hot air circulating oven need to be manually turned regularly, which leads to heat loss and affects drying efficiency.
A hot air drying oven for the production of labetalol hydrochloride was designed. It adopts a lifting plate and a fixed plate structure. The lifting plate is driven by a motor to rise and fall, realizing automatic turning of raw materials without opening the box. Combined with temperature sensors and heating components, it realizes automatic temperature control.
It improves drying efficiency, avoids heat loss, ensures temperature stability and uniformity, and simplifies the operation process.
Smart Images

Figure CN223663669U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to hot -blast oven technical field, concretely is a hot -blast oven for hydrochloric acid labetalol production. BACKGROUND
[0002] The hydrochloric acid labetalol tablet is used for various types of hypertensive emergency, such as hypertensive crisis, pheochromocytoma crisis, pre-eclampsia, hypertensive encephalopathy, hypertension caused by extensive burns, hypertension with coronary artery disease or acute myocardial infarction and postoperative hypertension, and can also be used for controlling blood pressure in anesthesia, and in the preparation of the hydrochloric acid labetalol tablet, drying process is involved, and the commonly used equipment in the drying process is a hot air circulating oven.
[0003] When using the hot air circulating oven for drying operation, the hydrochloric acid labetalol production raw materials inside the box need to be turned over regularly to ensure the drying effect, and the current raw material turning over operation method is mostly to open the oven and then manually turn over, and this operation method is complex, and the heat in the oven will be lost after the oven is opened, which affects the drying efficiency. UTILITY MODEL CONTENTS
[0004] The utility model discloses a hot -blast oven for hydrochloric acid labetalol production to solve the problem in the background art.
[0005] To achieve the above object, the utility model provides the following technical scheme: a hot -blast oven for hydrochloric acid labetalol production, including the box, the inside vertical of the box is equipped with a plurality of housings, the inside of the shell is provided with the frame, the inside of the frame is equidistant and is equipped with a plurality of fixed plates, the inside of the frame between every two fixed plates is installed with the lifting plate, and the both ends of a plurality of lifting plates are provided with the stand, and two stands are a group.
[0006] Preferably, the both ends of the frame are provided with a plurality of limiting grooves matched with the stand, the limiting grooves limit the stand, so that the stand can be driven to move linearly up and down in the limiting grooves to drive the lifting plate to move up and down.
[0007] Preferably, the two opposite ends of the two sides of the box are provided with a plurality of clamping grooves matched with the clamping blocks, and the two clamping grooves form a pair of clamping blocks to limit the clamping blocks, so that the clamping blocks can be inserted into the clamping grooves to support the shell, and the hydrochloric acid labetalol production raw materials can be placed in the box.
[0008] Preferably, the two opposite ends of the two sides of the box are provided with a plurality of clamping grooves matched with the clamping blocks, and the two clamping grooves form a pair of clamping blocks to limit the clamping blocks, so that the clamping blocks can be inserted into the clamping grooves to support the shell, and the hydrochloric acid labetalol production raw materials can be placed in the box.
[0009] Preferably, the inside of the box is provided with a heating assembly, the top of the heating assembly is provided with a temperature sensor, one end of the temperature sensor extends into the box, and the other end of the temperature sensor extends out of the box. The heating assembly contains a heating copper pipe and a transformer, the heating copper pipe is located inside the two sides of the box, the temperature sensor is used for monitoring the temperature inside the box, the temperature sensor contains a controller, the controller is electrically connected with the transformer of the heating assembly, the temperature data of the temperature sensor can be preset, when the temperature inside the box reaches the preset temperature, the controller controls the transformer to adjust the voltage, so that the heating copper pipe is in a heat preservation state.
[0010] Preferably, the front end of the box is hingedly provided with an opening and closing door, and the bottom end of the box is provided with supporting legs at four corner positions. The opening and closing door can be opened and closed, the shell can be placed in the box when the opening and closing door is opened, the front end of the box is sealed when the opening and closing door is closed, the heating efficiency is improved, and the stability of the equipment is guaranteed.
[0011] Compared with the prior art, the utility model has the advantages that:
[0012] 1、The hot air oven for hydrochloric acid labetalol production, through a plurality of fixed plates and lifting plates located in the frame, when the hydrochloric acid labetalol production raw materials are dried, the lifting plate can be driven to rise and fall, and a height difference is formed with the top of the fixed plate, so that the hydrochloric acid labetalol production raw materials are flipped, the raw materials can be flipped without opening the box, and the drying effect is improved.
[0013] 2、The hot air oven for hydrochloric acid labetalol production, through the heating assembly in the box, the heating assembly can be heated by the temperature preset by the temperature sensor, the temperature of the box can be controlled, and damage to the raw materials caused by excessive temperature is avoided. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a whole structure schematic view of the utility model;
[0015] Figure 2 It is a box internal structure schematic view of the utility model;
[0016] Figure 3 Frame structure schematic view of the utility model;
[0017] Figure 4 Frame structure schematic view of the utility model; Figure 3 Structure enlarged schematic view of A in the middle;
[0018] Figure 5 Fixed plate and lifting plate structure schematic view of the utility model.
[0019] In the figure: 1, box body; 2, open-close door; 3, shell; 4, lifting plate; 5, clamping block; 6, supporting leg; 7, heating assembly; 8, temperature sensor; 9, clamping groove; 10, air port; 11, frame; 12, limiting groove; 13, rotating shaft; 14, double-shaft motor; 15, retractor; 16, traction steel rope; 17, disc; 18, driving disc; 19, stand column; 20, long slot; 21, fixed plate. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0021] In the description of the utility model, it needs to be explained that the directions or position relations indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like are the directions or position relations shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the devices or elements indicated must have a particular direction, be constructed and operated in a particular direction, and therefore cannot be understood as limiting the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.
[0022] As Figures 1 to 5As shown, the hot air oven for producing labetalol hydrochloride of the embodiment includes a box body 1, a plurality of shells 3 are vertically arranged in the box body 1, a frame 11 is arranged in the shell 3, a plurality of fixed plates 21 are equidistantly arranged in the frame 11, the frame 11 is fixedly installed at both ends of the fixed plate 21, a lifting plate 4 is installed in the frame 11 between every two fixed plates 21, the gap between the lifting plate 4 and the adjacent two fixed plates 21 is matched, a stand 19 is arranged at both ends of the plurality of lifting plates 4, two stands 19 form a group, one end of the two stands 19 of each group extends the two ends of the frame 11, the stand 19 is provided with a driving disc 18 at the extending facility, a disc 17 is installed below the driving disc 18, a long groove 20 is formed at both ends of the frame 11, the disc 17 is installed in the long groove 20, the top end of the disc 17 is higher than the bottom end of the driving disc 18 in horizontal position, when the disc 17 linearly moves in the long groove 20, the top end of the disc 17 will sequentially lift the corresponding driving disc 18, so that the lifting plate 4 will rise and the top ends of the adjacent two fixed plates 21 will have a height difference, the labetalol hydrochloride production raw materials will be disturbed to turn over, the disc 17 is provided with a traction steel rope 16 at both sides, a double-shaft motor 14 is installed at the middle position of the two sides of the frame 11, a rotating shaft 13 is arranged at both ends of the double-shaft motor 14, a winder 15 is arranged at both ends of the rotating shaft 13, two winders 15 form a group, the outer surfaces of the two winders 15 of each group are connected with the corresponding two traction steel ropes 16, when one of the double-shaft motors 14 operates to drive the corresponding two winders 15 to wind the traction steel rope 16 through the rotating shaft 13, the other double-shaft motor 14 does not operate, at this time, the disc 17 will be pulled to move to the position of the operating double-shaft motor 14, sequentially pushes the corresponding driving disc 18 to rise in the movement process, when the disc 17 moves away from the corresponding driving disc 18 below, the lifting plate 4 will drive the driving disc 18 to descend and reset under the influence of gravity, when the disc 17 moves to the edge of one side of the frame 11 and does not contact with the driving disc 18, the double-shaft motor 14 away from the disc 17 winds the traction steel rope 16 through the rotating shaft 13, pulls the disc 17 to move to the other side of the frame 11, repeatedly pushes the driving disc 18 to rise.
[0023] Specifically, a plurality of limiting grooves 12 matched with the stand 19 are arranged at both ends of the frame 11, the limiting grooves 12 limit the stand 19, so that the stand 19 can be driven to linearly move up and down in the limiting groove 12, to drive the lifting plate 4 to move up and down.
[0024] Further, a plurality of clamping grooves 9 matched with the clamping block 5 are formed at the opposite ends of the two sides of the box body 1, two clamping grooves 9 form a group to limit the clamping block 5, so that the clamping block 5 can be inserted in the clamping groove 9 to support the shell 3, so that the labetalol hydrochloride production raw materials can be placed in the box body 1.
[0025] Further, the two card slots 9 between the two sides of the box 1 are provided with a plurality of air outlets 10, the air outlet 10 contains a fan, the fan blows the inside of the box 1, so that the heat generated by the heating assembly 7 is transported to the inside of the box 1.
[0026] Further, the inside of the box 1 is provided with a heating assembly 7, the top of the heating assembly 7 is provided with a temperature sensor 8, one end of the temperature sensor 8 extends to the inside of the box 1, the other end of the temperature sensor 8 extends out of the box 1, the heating assembly 7 contains a heating copper pipe and a transformer, the heating copper pipe is located inside the two sides of the box 1, the temperature sensor 8 is used for monitoring the temperature inside the box 1, the temperature sensor 8 contains a controller, the controller is electrically connected with the transformer of the heating assembly 7, the temperature data of the temperature sensor 8 can be preset, when the temperature inside the box 1 reaches the preset temperature, the controller will control the transformer to adjust the voltage, so that the heating copper pipe is in the heat preservation state.
[0027] Further, the front end of the box 1 is hingedly installed with an opening and closing door 2, the bottom end of the box 1 is provided with a supporting leg 6 at the four corners, the opening and closing door 2 can be opened and closed, when the opening and closing door 2 is opened, the shell 3 can be placed in the box 1, the opening and closing door 2 closes the front end of the box 1, improves the heating efficiency, the supporting leg 6 supports the box 1, guarantees the stability of the equipment.
[0028] The use method of the embodiment is: when using the hot air oven for producing labetalol hydrochloride, first open the opening and closing door 2, then place the labetalol hydrochloride production raw materials flat on the fixed plate 21 inside the frame 11 and the top end of the lifting plate 4, then place the shell 3 inside the box body 1 by using the clamping block 5 on both sides of the shell 3 and the clamping groove 9 inside the box body 1, then close the opening and closing door 2, turn on the heating assembly 7, preset the temperature data through the temperature sensor 8, when the temperature inside the box body 1 is raised to the preset temperature by the heating copper pipe of the heating assembly 7, the controller will control the transformer to adjust the voltage, so that the heating copper pipe is in the heat preservation state, and the temperature inside the box body 1 is in the appropriate drying state, when it is necessary to turn over the labetalol hydrochloride production raw materials, one of the double-shaft motors 14 operates to drive the corresponding two coilers 15 to roll up the traction steel ropes 16, and the other double-shaft motor 14 does not operate, at this time the disc 17 will be pulled to move to the position of the operating double-shaft motor 14, and in the movement process, the corresponding driving discs 18 are pushed up in turn, when the disc 17 moves away from the driving disc 18 below, the lifting plate 4 will drive the driving disc 18 to descend and reset under the action of gravity, when the disc 17 moves to the edge of the frame 11 and is not in contact with the driving disc 18, the double-shaft motor 14 away from the disc 17 rolls up the traction steel rope 16 through the shaft 13 to pull the disc 17 to move to the other side of the frame 11, and the driving disc 18 is repeatedly pushed up to make the lifting plate 4 continuously ascend and descend, and the top ends of the two adjacent fixed plates 21 have a height difference, so that the labetalol hydrochloride production raw materials are turned over.
[0029] Finally, it should be noted that: the above only describes the preferred embodiments of the present application, and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. A hot air drying oven for the production of labetalol hydrochloride, comprising a chamber (1), characterized in that: The box (1) has several shells (3) arranged vertically inside. A frame (11) is set inside the shell (3). Several fixing plates (21) are arranged equidistantly inside the frame (11). A lifting plate (4) is installed inside the frame (11) between every two fixing plates (21). A column (19) is set at both ends of the lifting plates (4). Two columns (19) form a group. One end of each group of two columns (19) extends to both ends of the frame (11). The extension of the column (19) is provided by a drive disc (18). A disc (17) is installed below the frame (11). Long slots (20) are opened at both ends of the frame (11). The disc (17) is installed inside the long slots (20). Traction steel ropes (16) are provided on both sides of the long slots (20). A dual-axis motor (14) is installed at the middle position of both sides of the frame (11). A rotating shaft (13) is provided at both ends of the dual-axis motor (14). A retractor (15) is provided at both ends of the rotating shaft (13). Two retractors (15) form a group. The outer surface of each group of two retractors (15) is connected to the corresponding two traction steel ropes (16).
2. The hot air drying oven for producing labetalol hydrochloride according to claim 1, characterized in that: The frame (11) has several limiting grooves (12) at both ends that match the columns (19).
3. The hot air drying oven for producing labetalol hydrochloride according to claim 1, characterized in that: The two opposite ends of the box (1) are provided with several slots (9) that match the card block (5).
4. The hot air drying oven for producing labetalol hydrochloride according to claim 3, characterized in that: Several air vents (10) are provided on opposite sides of the box (1) between the two slots (9).
5. The hot air drying oven for producing labetalol hydrochloride according to claim 1, characterized in that: The housing (1) is equipped with a heating component (7), and a temperature sensor (8) is provided on the top of the heating component (7). One end of the temperature sensor (8) extends into the housing (1), and the other end of the temperature sensor (8) extends out of the housing (1).
6. The hot air drying oven for producing labetalol hydrochloride according to claim 1, characterized in that: The front end of the box (1) is hinged with an opening and closing door (2), and the bottom of the box (1) is provided with support feet (6) at the four corners.