CN115265129B - Drying equipment for producing medical intermediate - Google Patents
Drying equipment for producing medical intermediate Download PDFInfo
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- CN115265129B CN115265129B CN202210755474.1A CN202210755474A CN115265129B CN 115265129 B CN115265129 B CN 115265129B CN 202210755474 A CN202210755474 A CN 202210755474A CN 115265129 B CN115265129 B CN 115265129B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
- F26B11/12—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in stationary drums or other mainly-closed receptacles with moving stirring devices
- F26B11/14—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in stationary drums or other mainly-closed receptacles with moving stirring devices the stirring device moving in a horizontal or slightly-inclined plane
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/001—Handling, e.g. loading or unloading arrangements
- F26B25/002—Handling, e.g. loading or unloading arrangements for bulk goods
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/04—Agitating, stirring, or scraping devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/06—Chambers, containers, or receptacles
- F26B25/08—Parts thereof
- F26B25/12—Walls or sides; Doors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention relates to drying equipment for producing a medical intermediate, which comprises a drying barrel, wherein a feed hopper is arranged on a cover plate at the top of the drying barrel, a plurality of groups of arc plates are axially arranged on the inner wall of the drying barrel, ventilation holes are uniformly formed in the side wall of the arc plates, heating pipes are arranged on the inner wall of the drying barrel in an opening of the arc plates, a circle of air inlet pipes connected with an air heater through pipelines are arranged on the outer side wall of the drying barrel, branch pipes connected with the drying barrel are arranged on the air inlet pipes, a screen plate is arranged at the top of the drying barrel, an air cylinder connected with the screen plate through an air cylinder guide post is arranged on the cover plate, a plurality of groups of pore plates are arranged at the bottom of the screen plate in parallel, a plurality of groups of sliding rods are connected between the screen plate and the uppermost pore plate and between any two groups of pore plates which are adjacent up and down, and a crushing plate is arranged on the screen plate. The invention can effectively enhance the drying efficiency and effect of the product.
Description
Technical Field
The invention relates to the technical field of medical intermediate processing, in particular to drying equipment for producing a medical intermediate.
Background
The medical intermediate is a chemical raw material or chemical product used in the process of synthesizing medicines, the chemical product does not need the production license of medicines, can be produced in a common chemical plant, and can be used for synthesizing medicines as long as the level is reached.
In the preparation process of the medical intermediate, the obtained medical intermediate solution needs to be separated and purified, and then is further dried, so that the target product with high purity and high quality is obtained. The prior art is specifically as follows: a drying apparatus for producing pharmaceutical intermediates, publication No. CN213631436U, cannot sufficiently contact the product with hot air flow, thereby affecting the drying efficiency and effect of the product.
Disclosure of Invention
The invention aims to provide a drying device for producing a medical intermediate.
The technical problems of the invention are mainly solved by the following technical scheme:
the utility model provides a drying equipment of production pharmaceutical intermediate, includes the desiccation bucket, wherein is provided with the feeder hopper on the apron of desiccation bucket top, and its bottom is provided with the discharging pipe:
a plurality of groups of arc plates are axially arranged on the inner wall of the drying barrel, wherein ventilation holes are uniformly formed in the side walls of the arc plates, heating pipes are arranged on the inner wall of the drying barrel in the openings of the arc plates, a circle of air inlet pipes connected with the air heater through pipelines are arranged on the outer side wall of the drying barrel, branch pipes connected with the side walls of the drying barrel below the heating pipes are arranged on the air inlet pipes, and the branch pipes are connected with the side walls of the drying barrel in the openings of the arc plates;
the top in the drying barrel is provided with a screen plate, wherein a cylinder connected with the screen plate through a cylinder guide post is arranged on the cover plate, an arc notch buckled on a corresponding arc plate is also arranged at the edge of the screen plate, the upper end and the lower end of the screen plate are both provided with vertical rods corresponding to the arc plate, an arc seat corresponding to the arc plate is arranged on the vertical rods, and bristles clung to the outer arc wall of the corresponding arc plate are arranged on the inner arc wall of the arc seat;
the bottom of the sieve plate is provided with a plurality of groups of pore plates in parallel up and down, wherein the sieve plate is connected with the uppermost pore plate and any two groups of pore plates adjacent up and down through a plurality of groups of sliding rods, the top end of each sliding rod is provided with a convex block, springs are sleeved on the sliding rods between the convex blocks and the corresponding sieve plate and on the sliding rods between the convex blocks and the corresponding pore plates, the sieve plate is also provided with a movable rod connected with the uppermost pore plate, and the top end of each movable rod is provided with a rice-shaped crushing plate positioned above the sieve plate;
the inner bottom of the drying barrel is provided with a cylinder, a fan is arranged in the cylinder, the top of the cylinder is also provided with a conical expansion part, the inner wall of the expansion part is provided with a heating plate, and the top of the expansion part is buckled with a conical protective cover with a side wall of a reticular structure;
the top of the cover plate is provided with a support, wherein a motor is arranged on the support, a conical supporting seat is arranged on a motor rotating shaft positioned in the drying barrel, a plurality of groups of crushing blades are transversely arranged on the motor rotating shaft above the supporting seat, and spiral blades extending into the feeding hopper are arranged on the motor rotating shaft above the crushing blades.
Preferably, a corrugated hose is sleeved on the cylinder guide post of the cylinder, wherein two ends of the corrugated hose are respectively adhered and fixed with the bottom end surface of the cover plate and the top end surface of the sieve plate.
Preferably, the sieve plate and the pore plate are provided with through holes for the corresponding sliding rod bodies to pass through, wherein the diameter of the protruding block is larger than the inner diameter of the through holes, the top end surface of the pore plate is also provided with a screwed pipe which is in screwed connection with the bottom end of the corresponding sliding rod, the tail end of the crushing plate, the cylinder guide post and the corresponding sliding rod are staggered, the bottom of the crushing plate is suspended, and a round hole for the moving rod to pass through is further formed in the middle of the top of the sieve plate.
Preferably, the sieve below is provided with the filter screen section of thick bamboo I of nylon material, and wherein filter screen section of thick bamboo I lateral wall is located between montant and the orifice plate that corresponds, and filter screen section of thick bamboo I bottom is provided with metal counter weight ring, the bleeder vent sets up on the arc lateral wall of counter weight ring top, the sieve top is provided with the filter screen section of thick bamboo II that is located between the multiunit montant that corresponds, and wherein filter screen section of thick bamboo II is made for nylon material, and filter screen section of thick bamboo II upper and lower both ends respectively with sieve top end face and apron bottom end face fixed connection.
Preferably, the cover plate is provided with an air outlet pipe, wherein a fixed pipe is arranged at the inner bottom of the air outlet pipe, the bottom end of the fixed pipe is outwards folded to form a bending part connected with the inner bottom wall of the air outlet pipe, the fixed pipe is sleeved with a dust removing filter bag positioned in the air outlet pipe, and the dust removing filter bag is fastened on the fixed pipe through a clamp lock.
Preferably, a drain pipe positioned in the opening of the corresponding arc plate is arranged at the bottom of the side wall of the drying barrel, a vent pipe communicated with the cylinder is further arranged on the side wall of the drying barrel, and a filtering mechanism is arranged in the outlet end of the vent pipe.
The beneficial effects of the invention are as follows: according to the invention, the shaking sieve plate and the pore plate are used for shaking and screening the materials to prevent the materials from agglomerating so as to facilitate the contact of the introduced hot air flow with the sieve plate and achieve the aim of improving the drying efficiency and effect, and the hot air flow sprayed out from the air holes on the side wall of the arc plate can be used for drying the materials shaking or screening from the upper side and the lower side of the sieve plate and the pore plate from multiple directions, so that the contact area with the materials is enlarged to improve the drying efficiency and effect, and meanwhile, the materials are prevented from agglomerating due to the influence of the crushing blades and the crushing plates, and meanwhile, the sieve plate or the pore plate can be used for effectively screening the materials to disperse the materials due to the material dispersion, so that the introduced hot air flow is conveniently and fully contacted with the sieve plate to improve the drying efficiency and effect.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a top view of the drying tub of the present invention;
fig. 4 is a top view of a screen deck in accordance with the present invention.
In the figure: 1. drying barrel, 2, feeder hopper, 3, discharging pipe, 4, arc board, 5, heating pipe, 6, air inlet pipe, 7, branch pipe, 8, sieve, 9, arc notch, 10, vertical rod, 11, arc seat, 12, brush hair, 13, orifice plate, 14, sliding rod, 15, bump, 16, spring, 17, movable rod, 18, crushing plate, 19, cylinder, 20, fan, 21, dilatation part, 22, protective cover, 23, support, 24, motor, 25, supporting seat, 26, crushing blade, 27, helical blade, 28, filter screen cylinder I,29, counterweight ring, 30, filter screen cylinder II,31, air outlet pipe, 32, fixed pipe, 33, dust removing filter bag, 34, ventilation pipe, 35, cylinder.
Detailed Description
The technical scheme of the invention is further specifically described below through examples and with reference to the accompanying drawings.
The utility model provides a drying equipment of production pharmaceutical intermediate, includes drying barrel 1, wherein is provided with feeder hopper 2 on the apron of drying barrel 1 top, and its bottom is provided with discharging pipe 3:
a plurality of groups of arc plates 4 are axially arranged on the inner wall of the drying barrel 1, wherein ventilation holes are uniformly formed in the side walls of the arc plates 4, heating pipes 5 are arranged on the inner wall of the drying barrel 1 in the opening of the arc plates 4, a circle of air inlet pipes 6 connected with a hot air blower through pipelines are arranged on the outer side wall of the drying barrel 1, branch pipes 7 connected with the side walls of the drying barrel 1 below the heating pipes 5 are arranged on the air inlet pipes 6, and the branch pipes 7 are connected with the side walls of the drying barrel 1 in the opening of the arc plates 4;
the top is provided with sieve 8 in the drying barrel 1, wherein be provided with the cylinder 35 that is connected with sieve 8 through the cylinder guide pillar on the apron, and sieve 8 border department still is provided with the arc breach 9 of knot on corresponding arc 4, and the cylinder guide pillar of cylinder 35 is last to be overcoat has the ripple hose, and ripple hose both ends bond fixedly with apron bottom surface and sieve 8 top end face respectively simultaneously.
When the device is used, the production medical intermediate is guided into the drying barrel 1 above the sieve plate 8 through the feed hopper 2, at the moment, the cylinder 35 drives the sieve plate 8 to shake up and down through the cylinder guide post, so that the raw materials falling above the cylinder are shaken to uniformly sieve and fall, meanwhile, the hot air blower guides hot air into the air inlet pipe 6 through the pipeline and is injected into the opening of the arc plate 4 through the plurality of branch pipes 7, and then the hot air is sprayed out through the plurality of air holes to simultaneously heat and dry the materials on the upper side and the lower side of the sieve plate 8 from a plurality of directions.
In the above process, the hot air flow led into the drying barrel 1 is further heated by the heating pipe 5, so as to improve the heating and drying efficiency and effect of the hot air flow on the raw material, wherein the arc plate 4 can protect the heating pipe 5, and prevent the raw material in the drying barrel 1 from being contacted with the heating pipe 5 to affect the safety of the raw material.
The upper end and the lower end of the sieve plate 8 are respectively provided with a vertical rod 10 corresponding to the arc plate 4, wherein the vertical rods 10 are provided with arc bases 11 corresponding to the arc plates 4, and the inner arc walls of the arc bases 11 are provided with bristles 12 clung to the outer arc walls of the corresponding arc plates 4.
When the sieve plate 8 is driven by the air cylinder 35 to move up and down, the arc-shaped seat 11 is driven by the vertical rod 10 to move, and the arc-shaped seat 11 drives the brush hair 12 to brush the outer arc wall of the arc-shaped plate 4, so that a small amount of material above the sieve plate 8 is prevented from adhering to the outer arc wall of the arc-shaped plate 4 when the material is screened, and then the air holes are blocked to influence the spraying work of hot air flow in the opening of the arc-shaped plate 4, and finally, the cleaning effect can be achieved on the surface of the arc-shaped plate when the air circulation on the inner side and the outer side of the arc-shaped plate 4 is facilitated, and the drying efficiency and the drying effect of the material can be effectively improved on the premise that the air circulation is smooth in the air holes.
The bottom of the sieve plate 8 is provided with a plurality of groups of pore plates 13 in parallel up and down, wherein the sieve plate 8 is connected with the uppermost pore plate 13 and any two groups of pore plates 13 adjacent up and down through a plurality of groups of sliding rods 14, the top end of the sliding rod 14 is provided with a convex block 15, springs 16 are sleeved on the sliding rods 14 between the convex block 15 and the corresponding sieve plate 8 and the sliding rods 14 between the convex block 15 and the corresponding pore plates 13, the sieve plate 8 is also provided with a movable rod 17 connected with the uppermost pore plate 13, and the top end of the movable rod 17 is provided with a rice-shaped crushing plate 18 positioned above the sieve plate 8;
the sieve plate 8 and the pore plate 13 are provided with through holes for the shafts of the corresponding sliding rods 14 to pass through, wherein the diameter of the protruding blocks 15 is larger than the inner diameter of the through holes, the top end surface of the pore plate 13 is also provided with screw pipes which are in threaded connection with the bottom ends of the corresponding sliding rods 14, the tail ends of the crushing plates 18 are staggered with the cylinder guide posts and the corresponding sliding rods 14, the bottoms of the crushing plates 18 are suspended, and the middle of the top of the sieve plate 8 is also provided with round holes for the moving rods 17 to pass through.
When the sieve plate 8 is driven by the air cylinder 35 to move up and down, the sliding rod 14 is driven to slide in the through hole, and the spring 16 is extruded to shrink and stretch the sieve plate 8, then when the sieve plate 8 drives the pore plate 13 to move up and down through the sliding rod 14, the spring 16 in the shrinkage and stretching process drives the pore plate 13 to shake violently up and down through the sliding rod 14, so that the pore plate 13 can screen the material screened by the sieve plate 8 again, and the upper and lower groups of pore plates 13 can screen the material in multiple stages to prevent the material from falling together, so that the material is dispersed so that hot air sprayed by the air holes is fully contacted with the material to achieve the aim of improving drying efficiency and effect, and the violently-shaking pore plate 13 can not easily silt the material on the top of the material for a long time and cannot be screened smoothly.
Meanwhile, when the uppermost Fang Kongban is contracted and stretched by the spring 16 to change the distance between the uppermost Fang Kongban and the sieve plate 8, the uppermost Fang Kongban drives the movable rod 17 to slide in the round hole so as to push the crushing plate 18 to move up and down above the sieve plate 8, so that the crushing plate 18 can crush materials above the sieve plate 8, prevent the materials from agglomerating to cause that hot air cannot sufficiently dry the materials, and simultaneously prevent the problem that the sieve plate 8 cannot be effectively sieved due to overlarge volume and finally cause long-term siltation at the top of the sieve plate 8.
The inner bottom of the drying barrel 1 is provided with a cylinder 19, a fan 20 is arranged in the cylinder 19, the top of the cylinder 19 is also provided with a circular-table-shaped expansion part 21, the inner wall of the expansion part 21 is provided with a heating plate, the top of the expansion part 21 is buckled with a conical protective cover 22 with a net-shaped side wall, the side wall of the drying barrel 1 is also provided with a ventilation pipe 34 communicated with the cylinder 19, and the outlet end of the ventilation pipe 34 is internally provided with a filtering mechanism.
The aperture of the side wall of the protective cover 22 is convenient for gas circulation during operation, and at the same time, falling materials can be prevented from entering the cylinder 19 to be contacted with the fan 20, wherein when the protective cover is used, the fan 20 works to generate upward strong wind, the heating plate heats the strong wind, at the moment, the falling materials can be heated and dried by hot air flowing upwards from the aperture of the side wall of the protective cover 22, and meanwhile, the falling speed of the materials can be slowed down, so that the hot air sprayed from the air holes can be fully contacted with the materials, the drying effect and efficiency of the materials are improved, and meanwhile, the blowing cleaning effect can be realized on the bottom end surface of the pore plate 13.
The filter screen cylinder I28 of nylon material is provided with in sieve 8 below, and wherein filter screen cylinder I28 lateral wall is located between montant 10 and the orifice 13 that correspond, and filter screen cylinder I28 bottom is provided with metal counter weight ring 29, the bleeder vent sets up on the arc 4 lateral wall of counter weight ring 29 top, the sieve 8 top is provided with the filter screen cylinder II30 that is located between corresponding multiunit montant 10, and wherein filter screen cylinder II30 is made for nylon material, and filter screen cylinder II30 upper and lower both ends respectively with sieve 8 top end face and apron bottom end face fixed connection.
As shown in fig. 1, when the materials are screened from the upper side and the lower side of the screen plate 8 through the filter screen cylinder I28 and the filter screen cylinder II30 with reelable side walls, a great amount of materials are contacted with the side walls of the arc plate 4 to block the ventilation holes, so that the discharge of hot air flow in the ventilation holes 4 can be effectively ensured, and the screened materials can be effectively dried.
The top of the cover plate is provided with a bracket 23, wherein the bracket 23 is provided with a motor 24, a conical supporting seat 25 is arranged on the rotating shaft of the motor 24 positioned in the drying barrel 1, a plurality of groups of crushing blades 26 are transversely arranged on the rotating shaft of the motor 24 above the supporting seat 25, and spiral blades 27 extending into the feeding hopper 2 are arranged on the rotating shaft of the motor 24 above the crushing blades 26.
When the material is led into the drying barrel 1 through the feeding hopper 2, the motor 24 drives the rotating shaft to drive the spiral blade 27, the crushing blade 26 and the supporting seat 25 to rotate, at the moment, the spiral blade 27 can drive the material in the feeding hopper 2 to be forcedly discharged into the drying barrel 1 so as to prevent the material from being blocked, the rotating crushing blade 26 can perform primary crushing on the material so as to prevent the material from agglomerating, further the subsequent drying screening and other works are facilitated, and the supporting seat 25 is used for preventing the screen plate 8 from being subjected to shaking screening when the material above the screen plate 8 is driven to be subjected to shaking screening, so that part of the material is affected by shaking force to enter the feeding hopper 2 to be discharged.
The cover plate is provided with an air outlet pipe 31, wherein the inner bottom of the air outlet pipe 31 is provided with a fixed pipe 32, the bottom end of the fixed pipe 32 is outwards folded to form a bending part connected with the inner bottom wall of the air outlet pipe 31, the fixed pipe 32 is sleeved with a dust removing filter bag 33 positioned in the air outlet pipe 31, and the dust removing filter bag 33 is fixedly locked on the fixed pipe 32 through a clamp.
Then the hot air flows into the dust removing filter bag 33 through the fixing tube 32 after the materials in the drying barrel 1 are dried, at this time, the air flows out through the aperture of the dust removing filter bag 33 to prevent the imported hot air from staying in the drying barrel 1 for a long time to form holding pressure, and further the safety of components in the drying barrel 1 is improved, and the dust removing filter bag 33 can filter the dust-filled materials possibly spreading up, thereby facilitating the recycling of the materials, and the dust removing filter bag 33 can be taken down from the fixing tube 32 in a manner of disassembling the clamp after the use is finished, and the materials filtered in the dust removing filter bag are recycled to prevent waste.
The bottom of the side wall of the drying barrel 1 is provided with a drain pipe positioned in the opening of the corresponding arc plate 4, and the drain pipe can be used for discharging materials possibly deposited at the bottom in the opening of the arc plate 4.
The shaking sieve plate 8 and the orifice plate 13 are used for shaking and screening the materials to prevent the materials from agglomerating so as to facilitate the contact of the introduced hot air flow with the materials, thus achieving the aim of improving the drying efficiency and effect, the hot air flow sprayed out from the air holes on the side wall of the arc plate 4 can dry the materials which shake or screen the upper side and the lower side of the sieve plate 8 and the orifice plate 13 from multiple directions, thereby enlarging the contact area with the materials to improve the drying efficiency and effect, and meanwhile, the crushing blades 26 and the crushing plates 18 are used for preventing the materials from agglomerating, and meanwhile, the sieve plate 8 or the orifice plate 13 can be effectively used for screening the materials to disperse due to the material dispersion so as to facilitate the sufficient contact of the introduced hot air flow to improve the drying efficiency and effect.
The foregoing detailed description of the invention has been presented for purposes of illustration and description, but is not intended to limit the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.
Claims (5)
1. Drying equipment of production pharmaceutical intermediate, including the dry bucket, wherein be provided with the feeder hopper on the dry bucket top apron, and its bottom is provided with discharging pipe, its characterized in that:
a plurality of groups of arc plates are axially arranged on the inner wall of the drying barrel, wherein ventilation holes are uniformly formed in the side walls of the arc plates, heating pipes are arranged on the inner wall of the drying barrel in the openings of the arc plates, a circle of air inlet pipes connected with the air heater through pipelines are arranged on the outer side wall of the drying barrel, branch pipes connected with the side walls of the drying barrel below the heating pipes are arranged on the air inlet pipes, and the branch pipes are connected with the side walls of the drying barrel in the openings of the arc plates;
the top in the drying barrel is provided with a screen plate, wherein a cylinder connected with the screen plate through a cylinder guide post is arranged on the cover plate, an arc notch buckled on a corresponding arc plate is also arranged at the edge of the screen plate, the upper end and the lower end of the screen plate are both provided with vertical rods corresponding to the arc plate, an arc seat corresponding to the arc plate is arranged on the vertical rods, and bristles clung to the outer arc wall of the corresponding arc plate are arranged on the inner arc wall of the arc seat;
the bottom of the sieve plate is provided with a plurality of groups of pore plates in parallel up and down, wherein the sieve plate is connected with the uppermost pore plate and any two groups of pore plates adjacent up and down through a plurality of groups of sliding rods, the top end of each sliding rod is provided with a convex block, springs are sleeved on the sliding rods between the convex blocks and the corresponding sieve plate and on the sliding rods between the convex blocks and the corresponding pore plates, the sieve plate is also provided with a movable rod connected with the uppermost pore plate, and the top end of each movable rod is provided with a rice-shaped crushing plate positioned above the sieve plate;
the inner bottom of the drying barrel is provided with a cylinder, a fan is arranged in the cylinder, the top of the cylinder is also provided with a conical expansion part, the inner wall of the expansion part is provided with a heating plate, and the top of the expansion part is buckled with a conical protective cover with a side wall of a reticular structure;
the top of the cover plate is provided with a bracket, wherein a motor is arranged on the bracket, a conical supporting seat is arranged on a motor rotating shaft positioned in the drying barrel, a plurality of groups of crushing blades are transversely arranged on the motor rotating shaft above the supporting seat, and spiral blades extending into the feeding hopper are arranged on the motor rotating shaft above the crushing blades;
the sieve plate and the pore plate are provided with through holes for the corresponding sliding rod bodies to pass through, wherein the diameters of the protruding blocks are larger than the inner diameters of the through holes, the top end face of the pore plate is also provided with a screwed pipe which is in threaded connection with the bottom end of the corresponding sliding rod, the tail end of the crushing plate is staggered with the cylinder guide post and the corresponding sliding rod, the bottom of the crushing plate is suspended, and a round hole for the moving rod to pass through is further formed in the middle of the top of the sieve plate.
2. A drying apparatus for producing a pharmaceutical intermediate according to claim 1, wherein: a corrugated hose is sleeved on the cylinder guide post of the cylinder, and two ends of the corrugated hose are respectively bonded and fixed with the bottom end face of the cover plate and the top end face of the sieve plate.
3. A drying apparatus for producing a pharmaceutical intermediate according to claim 1, wherein: the filter screen is characterized in that a filter screen barrel I made of nylon materials is arranged below the screen plate, the side wall of the filter screen barrel I is located between the corresponding vertical rods and the pore plate, a metal counterweight ring is arranged at the bottom of the filter screen barrel I, the air holes are formed in the side wall of the arc plate above the counterweight ring, a filter screen barrel II located between the corresponding groups of vertical rods is arranged above the screen plate, the filter screen barrel II is made of nylon materials, and the upper end and the lower end of the filter screen barrel II are fixedly connected with the top end face of the screen plate and the bottom end face of the cover plate respectively.
4. A drying apparatus for producing a pharmaceutical intermediate according to claim 1, wherein: the cover plate is provided with an air outlet pipe, wherein the inner bottom of the air outlet pipe is provided with a fixed pipe, the bottom end of the fixed pipe is outwards folded to form a bending part connected with the inner bottom wall of the air outlet pipe, the fixed pipe is sleeved with a dedusting filter bag positioned in the air outlet pipe, and the dedusting filter bag is fastened on the fixed pipe through a clamp lock.
5. A drying apparatus for producing a pharmaceutical intermediate according to claim 1, wherein: the bottom of the side wall of the drying barrel is provided with a drain pipe positioned in the opening of the corresponding arc plate, wherein the side wall of the drying barrel is also provided with a vent pipe communicated with the cylinder, and the outlet end of the vent pipe is internally provided with a filtering mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210755474.1A CN115265129B (en) | 2022-06-29 | 2022-06-29 | Drying equipment for producing medical intermediate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210755474.1A CN115265129B (en) | 2022-06-29 | 2022-06-29 | Drying equipment for producing medical intermediate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115265129A CN115265129A (en) | 2022-11-01 |
| CN115265129B true CN115265129B (en) | 2023-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210755474.1A Active CN115265129B (en) | 2022-06-29 | 2022-06-29 | Drying equipment for producing medical intermediate |
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| CN (1) | CN115265129B (en) |
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2022
- 2022-06-29 CN CN202210755474.1A patent/CN115265129B/en active Active
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