Purified hot air circulating oven for pharmacy

Abstract

The utility model discloses a purifying hot air circulating oven for pharmacy, which relates to the technical field of pharmacy and comprises an oven body, a motor is fixedly mounted on the side wall surface of the oven body, the driving end of the motor penetrates through the side wall surface of the oven body and is fixedly provided with a rotating shaft, and a mesh cylinder is fixedly mounted on the rotating shaft. Hot air is generated through the drying machine, the hot air is guided into the ventilation pipeline through the first guide pipe, air is exhausted into the mesh cylinder through the ventilation holes, the heating and drying effects in the mesh cylinder are achieved, a part of the generated hot air is exhausted through the exhaust pipe, and the drying efficiency is improved. And the other part of the air enters the filtering assembly through the third pipeline for dust removal and filtering and is guided into the drying machine again through the third pipeline for hot air collection, so that energy is recycled, energy waste is reduced, and the processing cost of pharmaceutical drying is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of pharmaceutical manufacturing, in particular to a pharmaceutical purification hot air circulation oven. Background Art

[0002] Drugs refer to substances used to prevent, treat, and diagnose human diseases, purposefully regulate human physiological functions, and have specified indications or functional indications, usage, and dosage, including Chinese medicinal materials, Chinese herbal medicines, Chinese patent medicines, chemical raw materials and their preparations, antibiotics, biochemical drugs, radioactive drugs, serums, vaccines, blood products, and diagnostic drugs;

[0003] In the process of making medicine, it is necessary to remove moisture from the medicinal materials for subsequent processing and storage. For example, in a utility model patent named "A Purifying Hot Air Circulation Oven for Pharmaceutical Use" and with a publication number of CN219014829U, a drying box is designed, wherein a top cover is detachably connected to the top of the drying box, a thermal drying mechanism extending to the inside of the drying box is installed at the bottom of the drying box, and the thermal drying mechanism comprises: an installation box, an electric heating wire, a fan, a ventilation pipe, an exhaust pipe and a through hole, the installation box is fixed to the bottom of the drying box, an electric heating wire is installed inside the installation box, a fan is installed in the installation box on the lower side of the electric heating wire, a ventilation pipe extending to the drying box is installed on the top of the installation box, the top of the ventilation pipe is connected to the exhaust pipe, a plurality of through holes are arranged on the exhaust pipe, a placement box is installed inside the drying box, a baffle is detachably connected to the top of the placement box, an air outlet is arranged on the left side of the placement box, the exhaust pipe enters the placement box through the air outlet, and an oven is installed on the drying box with a flipping mechanism for driving the placement box to rotate;

[0004] However, in the existing drying oven, hot air is directly discharged through the air outlet after drying, which causes heat loss, thereby wasting energy and increasing the working cost of pharmaceutical drying processing. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a purified hot air circulation oven for pharmaceutical use, which solves the technical problem that in the existing oven, hot air is directly discharged through the air outlet after drying during use, thereby causing heat loss, thereby wasting energy and increasing the working cost of pharmaceutical drying processing.

[0006] To achieve the above purpose, the utility model is implemented through the following technical solutions: a pharmaceutical purification hot air circulation oven, comprising an oven body, the oven body, a motor is fixedly installed on the side wall of the oven body, the motor driving end passes through the side wall of the oven body and is fixedly installed with a rotating shaft, a mesh cylinder is fixedly installed on the rotating shaft, a ventilation duct is fixedly installed on the other side wall of the oven body, the ventilation duct passes through the mesh cylinder, the mesh cylinder is rotatably connected to the ventilation duct, a first notch is opened on the upper wall of the oven body, a first cover plate is arranged in the first notch, a second notch is opened on the mesh cylinder, and a hinge is arranged in the second notch. A second cover plate is provided, a third notch is provided on the lower wall of the oven body, a third cover plate is provided in the third notch, a dryer is fixedly installed on the rear wall of the oven body, a first conduit is connected between the dryer and the ventilation duct, a plurality of ventilation holes are provided on the ventilation duct, the ventilation holes are located in the mesh cylinder, a filter assembly is fixedly installed on the rear wall of the oven body and on one side of the dryer, a second conduit is installed between the filter assembly and the dryer, a third conduit is connected between the filter assembly and the oven body, an exhaust pipe is fixedly installed on the upper wall of the oven body and on one side of the first cover plate, and an exhaust valve is fixedly installed on the exhaust pipe.

[0007] Preferably, the oven body and the lower end of the mesh cylinder are both funnel-shaped structures, the third cover plate is installed on the lower wall surface of the funnel-shaped structure of the oven body, and the second cover plate is hingedly connected to the lower wall surface of the funnel-shaped structure of the mesh cylinder.

[0008] Preferably, the filter assembly includes a filter box, which is fixedly mounted on the rear wall of the drying box, and the side walls of the filter box are respectively connected to the third duct and the second duct, an opening is provided on the upper wall of the filter box, and slide rails are respectively fixedly mounted on the two side edges of the opening, a filter plate is slidably mounted in the slide rails, a sealing cover is fixedly mounted on the upper end of the filter plate, a U-shaped handle is fixedly mounted on the sealing cover, and a limit assembly is provided between the U-shaped handle and the outer upper wall of the filter box.

[0009] Preferably, the limiting assembly includes a pair of rotating blocks, which are rotatably installed on the outer upper wall of the filter box and located on both sides of the sealing cover. The side wall of the rotating block is provided with a groove, the upper wall of the groove is provided with a socket, and the upper wall of the U-shaped handle is provided with a threaded groove, a bolt is inserted in the socket, and the bolt is screwed into the threaded groove.

[0010] Preferably, support legs are fixedly installed at the four corners of the lower wall of the oven body.

[0011] Preferably, a plurality of stirring plates are fixedly mounted on the inner wall surface of the net cylinder.

[0012] Beneficial Effects

[0013] The utility model provides a purified hot air circulation oven for pharmaceutical use, which solves the technical problem that in the existing oven, hot air is directly discharged through the air outlet after drying during use, thereby causing heat loss, thereby wasting energy and increasing the working cost of pharmaceutical drying processing. The utility model generates hot air through a dryer, introduces the hot air into the ventilation duct through a first conduit, and exhausts it to the inside of the mesh cylinder through the ventilation holes, thereby achieving the effect of heating and drying in the mesh cylinder. A part of the generated hot air is discharged through the exhaust pipe, and the other part enters the filter assembly through a third pipe for dust removal and filtration, and is introduced into the dryer again through the third pipe for hot air collection, so that energy is recycled, energy waste is reduced, and the processing cost of pharmaceutical drying is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main structure of a purified hot air circulation oven for pharmaceutical use described in the utility model.

[0015] Figure 2 The utility model is a schematic diagram of the top view of the structure of a pharmaceutical purification hot air circulation oven.

[0016] Figure 3 The utility model is a schematic diagram of the structure of a filter component of a pharmaceutical purification hot air circulation oven.

[0017] In the figure: 1. oven body; 2. motor; 3. rotating shaft; 4. ventilation duct; 5. mesh cylinder; 6. first cover plate; 7. second cover plate; 8. third cover plate; 9. dryer; 10. first duct; 11. ventilation hole; 12. second duct; 13. third duct; 14. exhaust pipe; 15. exhaust valve; 16. filter box; 17. slide rail; 18. filter plate; 19. sealing cover; 20. U-shaped handle; 21. rotating block; 22. groove; 23. bolt; 24. mixing plate; 25. supporting leg. DETAILED DESCRIPTION

[0018] 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.

[0019] See also Figure 1-3The utility model provides a technical solution: a pharmaceutical purification hot air circulation oven, comprising an oven body 1, the oven body 1, a motor 2 is fixedly installed on the side wall of the oven body 1, the driving end of the motor 2 penetrates the side wall of the oven body 1 and is fixedly installed with a rotating shaft 3, a mesh cylinder 5 is fixedly installed on the rotating shaft 3, a ventilation duct 4 is fixedly installed on the other side wall of the oven body 1, the ventilation duct 4 penetrates the mesh cylinder 5, the mesh cylinder 5 is rotatably connected to the ventilation duct 4, a first notch is opened on the upper wall of the oven body 1, a first cover plate 6 is arranged in the first notch, a second notch is opened on the mesh cylinder 5, a second cover plate 7 is hinged in the second notch, the oven A third notch is provided on the lower wall of the oven body 1, and a third cover plate 8 is provided in the third notch. A dryer 9 is fixedly installed on the rear wall of the oven body 1, and a first conduit 10 is connected between the dryer 9 and the ventilation duct 4. A plurality of ventilation holes 11 are provided on the ventilation duct, and the ventilation holes 11 are located in the mesh cylinder 5. A filter assembly is fixedly installed on the rear wall of the oven body 1 and located on one side of the dryer 9. A second conduit 12 is installed between the filter assembly and the dryer 9, and a third conduit 13 is connected between the filter assembly and the oven body 1. An exhaust pipe 14 is fixedly installed on the upper wall of the oven body 1 and located on one side of the first cover plate 6, and an exhaust valve 15 is fixedly installed on the exhaust pipe 14.

[0020] Open the first cover plate 6 and start the motor 2, so that the motor 2 drives the rotating shaft 3 to rotate, and the rotating shaft 3 drives the mesh drum 5 to rotate until the second cover plate 7 is located directly below the first notch. At this time, the second cover plate 7 is opened to introduce the material into the mesh drum 5, and the second cover plate 7 and the first cover plate 6 are covered in sequence, and the motor 2 is started again to rotate the mesh drum 5, and the material is turned over in the mesh drum 5. At this time, the dryer is started, and the dryer 9 generates hot air, which is introduced into the first pipe, and the hot air is introduced into the ventilation duct 4 through the first pipe, and the air is exhausted into the mesh drum 5 through the ventilation holes 11 on the ventilation duct 4, thereby drying the material. A part of the air generated by the drying is discharged through the exhaust pipe 14, and the other part enters the third conduit 13. After filtering and dust removal by the filter assembly, it is introduced into the dryer 9 through the second pipe again, thereby recycling the hot air. The hot air returning to the dryer 9 is heated twice and then introduced into the ventilation duct 4 through the first pipe for secondary utilization.

[0021] This embodiment is further configured such that the lower ends of the oven body 1 and the net tube 5 are both funnel-shaped structures, the third cover plate 8 is installed on the lower wall of the funnel-shaped structure of the oven body 1, and the second cover plate 7 is hingedly connected to the lower wall of the funnel-shaped structure of the net tube 5.

[0022] The present embodiment is further configured such that the filter assembly includes a filter box 16, the filter box 16 is fixedly mounted on the rear wall of the drying box, the two side walls of the filter box 16 are respectively connected to the third conduit 13 and the second conduit 12, an opening is provided on the upper wall of the filter box 16, and slide rails 17 are respectively fixedly mounted on the two side edges of the opening, a filter plate 18 is slidably mounted in the slide rails 17, a sealing cover 19 is fixedly mounted on the upper end of the filter plate 18, a U-shaped handle 20 is fixedly mounted on the sealing cover 19, and a limit assembly is provided between the U-shaped handle 20 and the outer upper wall of the filter box 16;

[0023] When the filter plate 18 needs to be replaced and cleaned, the limit assembly is released. After the limit assembly releases the limit on the U-shaped handle 20, the U-shaped handle 20 is pulled, so that the U-shaped handle 20 drives the sealing cover 19 to move upward, and the sealing cover 19 drives the filter plate 18 to move out of the slide rail 17, and then the filter plate 18 is moved out of the filter box 16, and then the filter plate 18 is replaced and cleaned. The replaced and cleaned filter plate 18 is inserted into the slide rail 17 again, the sealing cover 19 seals the port, and the limit assembly limits the U-shaped handle 20.

[0024] The present embodiment is further configured such that the limit assembly includes a pair of rotating blocks 21, which are rotatably mounted on the outer upper wall of the filter box 16 and located on both sides of the sealing cover 19, and the side wall of the rotating block 21 is provided with a groove 22, and the upper wall of the groove 22 is provided with a plug hole, and the upper wall of the U-shaped handle 20 is provided with a threaded groove, and a bolt 23 is inserted into the plug hole, and the bolt 23 is screwed into the threaded groove;

[0025] When the U-shaped handle 20 is freed from the limit, the bolt 23 is unscrewed and removed from the thread groove, and the rotating block 21 is rotated so that the groove 22 moves out of the U-shaped handle 20, thereby separating the rotating block 21 from the U-shaped handle 20;

[0026] When the U-shaped handle 20 is limited, the rotating block 21 is rotated so that the U-shaped handle 20 is inserted into the groove 22, and the bolt 23 is inserted into the insertion hole and screwed into the thread groove.

[0027] The present embodiment is further configured such that support legs 25 are fixedly mounted at four corners of the lower wall of the oven body 1 .

[0028] This embodiment is further configured such that a plurality of stirring plates 24 are fixedly mounted on the inner wall surface of the net cylinder 5 .

[0029] The detailed connection means are well-known in the art. The following mainly introduces the working principle and process. The specific work is as follows.

[0030] Embodiment: According to the attached drawings of the specification, the first cover plate 6 is opened, and the motor 2 is started, so that the motor 2 drives the rotating shaft 3 to rotate, and the rotating shaft 3 drives the mesh drum 5 to rotate until the second cover plate 7 is located directly below the first notch. At this time, the second cover plate 7 is opened to introduce the material into the mesh drum 5, and the second cover plate 7 and the first cover plate 6 are covered in sequence, and the motor 2 is started again to rotate the mesh drum 5, and the material is turned over in the mesh drum 5. At this time, the dryer is started, and the dryer 9 generates hot air, and the hot air is introduced into the first pipe, and the hot air is introduced into the ventilation duct 4 through the first pipe, and the air is exhausted into the mesh drum 5 through the ventilation holes 11 on the ventilation duct 4, so as to dry the material. A part of the air generated by the drying is discharged through the exhaust pipe 14, and the other part enters the third conduit 13. After filtering and dust removal of the hot air by the filter plate 18, the hot air is introduced into the dryer 9 again through the second pipe, so that the hot air is recycled, and the hot air returned to the dryer 9 is heated twice and introduced into the ventilation duct 4 again through the first pipe for secondary utilization;

[0031] When the filter plate 18 needs to be replaced and cleaned, the bolt 23 is unscrewed and taken out from the threaded groove, the rotating block 21 is rotated to make the groove 22 move out of the U-shaped handle 20, thereby separating the rotating block 21 from the U-shaped handle 20, and pulling the U-shaped handle 20 so that the U-shaped handle 20 drives the sealing cover 19 to move upward, and the sealing cover 19 drives the filter plate 18 to move out of the slide rail 17, thereby moving the filter plate 18 out of the filter box 16, and then replacing and cleaning the filter plate 18. The replaced and cleaned filter plate 18 is inserted into the slide rail 17 again, and the sealing cover 19 seals the port, and the rotating block 21 is rotated to insert the U-shaped handle 20 into the groove 22, and the bolt 23 is inserted into the jack and the bolt 23 is screwed into the threaded groove to limit the U-shaped handle 20.

[0032] It should be noted that, in this document, relational terms such as first and second, etc. are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations.

Claims

1. A pharmaceutical purification hot air circulation oven, comprising an oven body (1), characterized in that: The oven body (1) is provided with a motor (2) fixedly mounted on a side wall of the oven body (1); a driving end of the motor (2) penetrates through the side wall of the oven body (1) and is fixedly mounted with a rotating shaft (3); a mesh cylinder (5) is fixedly mounted on the rotating shaft (3); a ventilation duct (4) is fixedly mounted on the other side wall of the oven body (1); the ventilation duct (4) penetrates through the mesh cylinder (5); the mesh cylinder (5) is rotatably connected to the ventilation duct (4); a first notch is provided on the upper wall of the oven body (1); a first cover plate (6) is provided in the first notch; a second notch is provided on the mesh cylinder (5); a second cover plate (7) is hingedly connected in the second notch; a third notch is provided on the lower wall of the oven body (1); the third notch A third cover plate (8) is provided inside, a dryer (9) is fixedly mounted on the rear wall of the oven body (1), a first conduit (10) is connected between the dryer (9) and the ventilation duct (4), a plurality of ventilation holes (11) are opened on the ventilation duct, and the ventilation holes (11) are located in the mesh cylinder (5), a filter assembly is fixedly mounted on the rear wall of the oven body (1) and located on one side of the dryer (9), a second conduit (12) is installed between the filter assembly and the dryer (9), a third conduit (13) is connected between the filter assembly and the oven body (1), an exhaust pipe (14) is fixedly mounted on the upper wall of the oven body (1) and located on one side of the first cover plate (6), and an exhaust valve (15) is fixedly mounted on the exhaust pipe (14).

2. A pharmaceutical purification hot air circulation oven according to claim 1, characterized in that The oven body (1) and the lower end of the net cylinder (5) are both funnel-shaped structures, the third cover plate (8) is installed on the lower wall of the funnel-shaped structure of the oven body (1), and the second cover plate (7) is hingedly connected to the lower wall of the funnel-shaped structure of the net cylinder (5).

3. A pharmaceutical purification hot air circulation oven according to claim 1, characterized in that The filter assembly comprises a filter box (16), the filter box (16) is fixedly mounted on the rear wall of the drying box, the side walls of the filter box (16) are respectively connected to the third conduit (13) and the second conduit (12), the upper wall of the filter box (16) is provided with an opening, the two sides of the opening are respectively fixedly mounted with slide rails (17), a filter plate (18) is slidably mounted in the slide rails (17), a sealing cover (19) is fixedly mounted on the upper end of the filter plate (18), a U-shaped handle (20) is fixedly mounted on the sealing cover (19), and a limit assembly is provided between the U-shaped handle (20) and the outer upper wall of the filter box (16).

4. A pharmaceutical purification hot air circulation oven according to claim 3, characterized in that The limiting assembly comprises a pair of rotating blocks (21), the pair of rotating blocks (21) are rotatably mounted on the outer upper wall of the filter box (16) and are located on both sides of the sealing cover (19), the side wall of the rotating block (21) is provided with a groove (22), the upper wall of the groove (22) is provided with a plug hole, the upper wall of the U-shaped handle (20) is provided with a threaded groove, a bolt (23) is inserted into the plug hole, and the bolt (23) is screwed into the threaded groove.

5. A pharmaceutical purification hot air circulation oven according to claim 1, characterized in that Support legs (25) are fixedly mounted at the four corners of the lower wall of the oven body (1).

6. A pharmaceutical purification hot air circulation oven according to claim 1, characterized in that A plurality of stirring plates (24) are fixedly mounted on the inner wall surface of the net cylinder (5).

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