Drying equipment for producing medical intermediates

By combining the roller assembly with the drying gas tube assembly, the problems of uneven drying and high energy consumption of pharmaceutical intermediates are solved, realizing a highly efficient and energy-saving drying process for pharmaceutical intermediates.

CN223783234UActive Publication Date: 2026-01-09DEZHOU HONGHAI PHARMACEUTICAL TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520327995.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-27
Publication Date
2026-01-09
Estimated Expiration
2035-02-27

AI Technical Summary

Technical Problem

Existing drying equipment has poor drying uniformity for pharmaceutical intermediates and high energy consumption, making it difficult to meet energy-saving and environmental protection requirements.

Method used

The design combines a roller assembly with a drying gas pipe assembly. The rotation of the roller assembly and the delivery of drying gas enable uniform drying of pharmaceutical intermediates. The drying gas is mixed with the raw materials inside the roller, and combined with an auxiliary heater and a suction fan, airflow circulation is formed to improve drying efficiency.

Benefits of technology

This method achieves uniform drying of pharmaceutical intermediates, improves production efficiency, reduces energy consumption, and meets energy conservation and environmental protection requirements.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223783234U_ABST
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Abstract

The utility model discloses drying equipment for producing medical intermediates, which comprises a rack, a closed shell is fixedly mounted at the top of the rack, and a transmission shaft which is transversely arranged is arranged in the closed shell; a driving device is arranged at one end of the closed shell, is in transmission connection with one end of the transmission shaft, and is at least used for driving the transmission shaft to rotate in the closed shell; a dry gas pipe assembly is arranged at one end of the closed shell, and one end of the dry gas pipe assembly is inserted into the transmission shaft; a roller assembly rotating synchronously is fixedly installed outside the transmission shaft. According to the medical intermediate conveying device, medical intermediates are added into the branch roller assemblies, the medical intermediates roll and are conveyed through rotation of the roller assemblies, and when the medical intermediates roll and are conveyed, dry gas is conveyed in the dry gas pipe assembly and enters the roller assemblies, so that the medical intermediates are conveyed into the roller assemblies. And drying treatment of the medical intermediates in the roller assembly is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of medicine intermediate drying, specifically relates to a drying equipment for producing medicine intermediate. BACKGROUND

[0002] The medicine intermediate is actually some chemical raw materials or chemical products used in the synthesis process of medicines

[0003] The medicine intermediate preparation process mainly comprises the following steps: separating and purifying the synthesized or extracted compounds by using an extraction method or a membrane separation method to obtain single compounds or a kind of compounds with the same structure mother nucleus, then obtaining the medicine intermediate through crystallization, and finally drying the medicine intermediate.

[0004] The existing drying device adopts overall heating of the equipment, and uses heat to dry the medicine intermediate, so that the drying uniformity of the medicine intermediate is poor, and the continuous processing by using the heating device is also needed, which is more energy-wasting and is not conducive to the energy-saving and environmental protection requirements. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a drying equipment for producing medicine intermediate to solve the above-mentioned problems in the prior art.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A drying equipment for producing medicine intermediate, comprising a rack, a closed shell is fixedly installed on the top of the rack, a transmission shaft is arranged in the closed shell in a transverse manner; a driving device is arranged at one end of the closed shell, the driving device is drivingly connected to one end of the transmission shaft, and the driving device is used for driving the transmission shaft to rotate in the closed shell; a drying gas pipe assembly is arranged at one end of the closed shell, one end of the drying gas pipe assembly is inserted into the transmission shaft; a synchronous rotating roller assembly is fixedly installed on the outside of the transmission shaft, and the roller assembly is located in the closed shell.

[0008] Preferably, the closed shell is a cylindrical hollow cylinder structure, and a feeding hopper is arranged above one end of the closed shell.

[0009] Preferably, a suction fan is fixedly installed on the top of the closed shell, and the bottom of the suction fan is communicated with the inside of the closed shell.

[0010] Preferably, a plurality of auxiliary heaters are arranged on the outer wall of the closed shell, and the plurality of auxiliary heaters are distributed in a ring shape at equal intervals on the upper portion of the closed shell.

[0011] Preferably, the closed shell is provided with a discharge port below one side, and a feeding port above the other side.

[0012] Preferably, the closed shell is provided with a bearing seat on both sides, and the transmission shaft is installed inside the closed shell through the bearing seat.

[0013] Preferably, the driving device comprises a driving motor arranged on the side wall of the frame, a driving wheel is installed on the output shaft of the driving motor, and a transmission belt is arranged on the driving wheel; a driven wheel is fixedly installed on one end of the transmission shaft, and the driven wheel is connected with the transmission belt; and a protective cover is arranged outside the driving wheel, the transmission belt and the driven wheel.

[0014] Preferably, the dry gas pipe assembly comprises a main pipe, a sleeve is arranged at the end of the main pipe, a core pipe is rotatably inserted into the sleeve, and a plurality of jet heads are arranged at the end of the core pipe away from the sleeve.

[0015] Preferably, one end of the transmission shaft is provided with a socket, and the core pipe is inserted into the socket; a plurality of installation grooves are arranged on the outer wall of the transmission shaft in a ring shape at equal distances, and the jet heads are located inside the installation grooves.

[0016] Preferably, the roller assembly comprises a rib plate fixedly installed on the side wall of the transmission shaft, a cylinder is fixedly arranged at the end of the rib plate away from the transmission shaft, and helical blades are arranged on the inner wall of the cylinder.

[0017] Compared with the prior art, the present application has the following advantages:

[0018] By adding the pharmaceutical intermediates into the inside of the roller assembly, the pharmaceutical intermediates are rolled and transported through the rotation of the roller assembly, and at the same time, the dry gas is transported in the dry gas pipe assembly, and the dry gas enters the inside of the roller assembly, so that the dry processing of the pharmaceutical intermediates in the roller assembly is realized. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 FIG. 1 is a perspective view of a dry equipment for producing pharmaceutical intermediates according to the present application;

[0020] Figure 2 FIG. 2 is another perspective view of a dry equipment for producing pharmaceutical intermediates according to the present application from another angle;

[0021] Figure 3 FIG. 3 is a structural sectional view of a dry equipment for producing pharmaceutical intermediates according to the present application;

[0022] Figure 4 FIG. 4 is a structural schematic view of a driving device of a dry equipment for producing pharmaceutical intermediates according to the present application;

[0023] Figure 5 The dry gas pipe assembly and transmission shaft structure schematic diagram provided for the dry equipment for producing pharmaceutical intermediates is shown in the embodiment of the utility model.

[0024] Figure 6 The dry gas pipe assembly and transmission shaft structure schematic diagram provided for the dry equipment for producing pharmaceutical intermediates is shown in the embodiment of the utility model.

[0025] 1, rack; 2, closed shell; 21, discharge port; 22, feed inlet; 23, bearing seat; 3, driving device; 31, protective cover; 32, driving motor; 33, driving wheel; 34, transmission belt; 35, driven wheel; 4, feed hopper; 5, suction fan; 6, auxiliary heater; 7, dry gas pipe assembly; 71, main pipe; 72, sleeve; 73, core pipe; 74, air jet head; 8, transmission shaft; 81, mounting groove; 82, jack; 9, roller assembly; 91, cylinder; 92, rib plate; 93, spiral blade. DETAILED DESCRIPTION

[0026] 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, rather than all the embodiments.

[0027] As shown in the embodiment of the utility model, the dry equipment for producing pharmaceutical intermediates comprises a rack 1, and a closed shell 2 is fixedly installed on the top of the rack 1. Figures 1-6 The dry equipment for producing pharmaceutical intermediates comprises a rack 1, and a closed shell 2 is fixedly installed on the top of the rack 1.

[0028] In the embodiment, the rack 1 is provided, and the closed shell 2 is fixedly installed on the top of the rack 1.

[0029] Specifically, a discharge port 21 is arranged below one side of the closed shell 2, so that the raw materials can be discharged after drying, and a feed inlet 22 is arranged above the other side of the closed shell 2, so that the raw materials of the pharmaceutical intermediates can be added from the feed inlet 22.

[0030] Specifically, the closed shell 2 is in a cylindrical hollow cylinder structure, a feed hopper 4 is arranged above one end of the closed shell 2, and the raw materials of the pharmaceutical intermediates to be dried can be temporarily stored in the inside of the feed hopper 4.

[0031] In the embodiment, the inside of the closed shell 2 is provided with a transversely arranged transmission shaft 8;

[0032] Specifically, both sides of the closed shell 2 are provided with bearing seats 23, and the transmission shaft 8 is installed in the inside of the closed shell 2 through the bearing seats 23.

[0033] Specifically, one end of the transmission shaft 8 is provided with a socket 82, and the core pipe 73 is inserted into the inside of the socket 82, so that the core pipe 73 rotates synchronously with the transmission shaft 8.

[0034] Specifically, the outer wall of the transmission shaft 8 is provided with a plurality of equidistantly annularly distributed installation grooves 81, and the air jet head 74 is located in the inside of the installation groove 81 and protrudes from the outside of the transmission shaft 8, and the air jet head 74 is exposed in the inside of the roller assembly 9, which is more conducive to the mixing of the drying gas and the raw material of the pharmaceutical intermediate and improves the drying effect.

[0035] In the embodiment, one end of the closed shell 2 is provided with a driving device 3, the driving device 3 is drivingly connected to one end of the transmission shaft 8, and the driving device 3 is at least used for driving the transmission shaft 8 to rotate in the inside of the closed shell 2.

[0036] Specifically, the driving device 3 includes a driving motor 32 arranged on the side wall of the rack 1, a driving wheel 33 is installed on the output shaft of the driving motor 32, and a transmission belt 34 is arranged on the driving wheel 33.

[0037] One end of the transmission shaft 8 is fixedly installed with a driven wheel 35, and the driven wheel 35 is connected with the transmission belt 34.

[0038] The driving wheel 33, the transmission belt 34 and the driven wheel 35 are externally provided with a protective cover 31, which has a protection effect.

[0039] In the embodiment, one end of the closed shell 2 is provided with a drying gas pipe assembly 7, one end of the drying gas pipe assembly 7 is inserted into the inside of the transmission shaft 8, and the gas before entering the drying gas pipe assembly 7 is heated by the electric heating wire, so that the temperature of the blown gas is increased, the drying speed of the pharmaceutical intermediate is accelerated, and the production efficiency is improved.

[0040] Specifically, the drying gas pipe assembly 7 includes a main pipe 71, the end of the main pipe 71 is provided with a sleeve 72, the inside of the sleeve 72 is rotatably inserted with a core pipe 73, a plurality of air jet heads 74 are arranged on the end of the core pipe 73 away from the sleeve 72, the core pipe 73 rotates in the inside of the sleeve 72, which does not affect the rotation of the transmission shaft 8 and the core pipe 73, and at the same time can ensure that the drying gas is normally delivered to the inside of the roller assembly 9.

[0041] In the embodiment, the outside of the transmission shaft 8 is fixedly installed with a synchronously rotating roller assembly 9, and the roller assembly 9 is located in the inside of the closed shell 2.

[0042] Specifically, the roller assembly 9 includes a rib plate 92 fixedly installed on the side wall of the transmission shaft 8, and a cylinder body 91 fixedly arranged at the end away from the transmission shaft 8 of the rib plate 92, and a spiral blade 93 arranged on the inner wall of the cylinder body 91, so that the raw materials are transported, mixed and better spread.

[0043] In the embodiment, the top of the closed shell 2 is fixedly installed with a suction fan 5, the bottom of the suction fan 5 is communicated with the inside of the closed shell 2, and the suction fan 5 sucks out the gas in the closed shell 2 to form a gas circulation.

[0044] In the embodiment, a plurality of auxiliary heaters 6 are arranged on the outer wall of the closed shell 2, and the plurality of auxiliary heaters 6 are evenly distributed in a ring shape at the upper portion of the closed shell 2, and the auxiliary heaters 6 are inserted into the inside of the closed shell 2, so that the inside of the closed shell 2 can be heated by the auxiliary heaters 6.

[0045] In use, first, the driving device 3 is started to drive the roller assembly 9 to rotate in the inside of the closed shell 2; then the raw materials of the pharmaceutical intermediates are added from the feeding hopper 4, so that the raw materials enter the inside of the roller assembly 9, rotate and transport in the inside of the roller assembly 9, and form a uniform spread of the raw materials; while the raw materials of the pharmaceutical intermediates are added from the feeding hopper 4, the dry gas is transported into the inside of the dry gas pipe assembly 7, the dry gas enters the core pipe 73 through the main pipe 71, and finally a plurality of jet heads 74 are uniformly sprayed, so that the dry gas is sprayed into the inside of the roller assembly 9, the dry gas is mixed with the raw materials in the inside of the roller assembly 9, and the drying treatment of the raw materials is achieved; the dried raw materials are discharged through the discharge port 21, and the suction fan 5 is arranged at the top of the closed shell 2 to suck out the gas in the inside of the closed shell 2 from the top, so as to form a circulation of the gas in the inside of the closed shell 2, and improve the drying effect of the raw materials.

[0046] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, and any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A drying apparatus for producing pharmaceutical intermediates, comprising a frame, characterized in that, A closed housing is fixedly installed on the top of the frame, and a horizontally arranged drive shaft is arranged inside the closed housing. A drive device is provided at one end of the closed housing, and the drive device is tractively connected to one end of the drive shaft. The drive device is at least used to drive the drive shaft to rotate inside the closed housing. A drying gas pipe assembly is provided at one end of the closed housing, and one end of the drying gas pipe assembly is inserted into the inside of the drive shaft. A synchronously rotating roller assembly is fixedly installed on the outside of the drive shaft, and the roller assembly is located inside the closed housing.

2. The drying equipment for producing pharmaceutical intermediates according to claim 1, characterized in that, The enclosed shell is a cylindrical hollow cylindrical structure, and a feed hopper is provided above one end of the enclosed shell.

3. The drying equipment for producing pharmaceutical intermediates according to claim 1, characterized in that, A suction fan is fixedly installed on the top of the enclosed housing, and the bottom of the suction fan is connected to the inside of the enclosed housing.

4. The drying equipment for producing pharmaceutical intermediates according to claim 1, characterized in that, Several auxiliary heaters are provided on the outer wall of the closed shell, and the several auxiliary heaters are distributed in a ring at equal intervals on the upper part of the closed shell.

5. The drying equipment for producing pharmaceutical intermediates according to claim 1, characterized in that, A discharge port is provided on the lower side of one side of the enclosed housing, and a feed port is provided on the upper side of the other side of the enclosed housing.

6. The drying equipment for producing pharmaceutical intermediates according to claim 1, characterized in that, Bearing seats are provided on both sides of the enclosed housing, and the drive shaft is installed inside the enclosed housing through the bearing seats.

7. The drying equipment for producing pharmaceutical intermediates according to claim 1, characterized in that, The drive device includes a drive motor mounted on the side wall of the frame, a drive wheel mounted on the output shaft of the drive motor, and a transmission belt mounted on the drive wheel; a driven wheel is fixedly mounted on one end of the transmission shaft, and the driven wheel is connected to the transmission belt; a protective cover is provided on the outside of the drive wheel, the transmission belt and the driven wheel.

8. The drying equipment for producing pharmaceutical intermediates according to claim 1, characterized in that, The drying gas pipe assembly includes a main pipe, a sleeve at one end of the main pipe, a core tube rotatably inserted into the sleeve, and a plurality of jet nozzles at the end of the core tube away from the sleeve.

9. A drying apparatus for producing pharmaceutical intermediates according to claim 8, characterized in that, One end of the drive shaft is provided with a socket, and the core tube is inserted into the socket; the outer wall of the drive shaft is provided with a number of equally spaced mounting slots arranged in a ring, and the jet head is located inside the mounting slot.

10. A drying apparatus for producing pharmaceutical intermediates according to claim 1, characterized in that, The roller assembly includes a rib plate fixedly mounted on the side wall of the drive shaft, and a cylinder body is fixedly provided at the end of the rib plate away from the drive shaft. Helical blades are provided on the inner wall of the cylinder body.