CN115265129A

CN115265129A - Drying equipment for producing medical intermediate

Info

Publication number: CN115265129A
Application number: CN202210755474.1A
Authority: CN
Inventors: 林传麒
Original assignee: Ganzhou Kangruitai Pharmaceutical Co ltd
Current assignee: Ganzhou Kangruitai Pharmaceutical Co ltd
Priority date: 2022-06-29
Filing date: 2022-06-29
Publication date: 2022-11-01
Anticipated expiration: 2042-06-29
Also published as: CN115265129B

Abstract

The invention relates to drying equipment for producing medical intermediates, which comprises a drying barrel, wherein a cover plate at the top of the drying barrel is provided with a feed hopper, the inner wall of the drying barrel is axially provided with a plurality of groups of arc-shaped plates, the side wall of each arc-shaped plate is uniformly provided with air vents, the inner wall of the drying barrel in an opening of each arc-shaped plate is provided with a heating pipe, the outer side wall of the drying barrel is provided with a circle of air inlet pipe connected with a hot air blower through a pipeline, the air inlet pipe is provided with a branch pipe connected with the drying barrel, the top of the inside of the drying barrel is provided with a sieve plate, the cover plate is provided with an air cylinder connected with the sieve plate through an air cylinder guide post, the bottom of the sieve plate is provided with a plurality of groups of orifice plates in parallel up and down, the sieve plate is connected with the uppermost orifice plate and any two groups of orifice plates up and down, the sieve plate is also provided with a movable rod connected with the uppermost orifice plate, and the top end of the movable rod is provided with a crushing plate. The invention can effectively enhance the drying efficiency and effect of the product.

Description

Drying equipment for producing medical intermediate

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 a chemical product used in the process of synthesizing the medicine, the chemical product can be produced in a common chemical plant without the production license of the medicine, and can be used for synthesizing the medicine as long as the grade reaches a certain level.

In the process of preparing the medical intermediate, the obtained medical intermediate solution needs to be separated and purified and then further dried, so as to obtain a high-purity and high-quality target product. In the prior art, the drying of the medical intermediate is specifically as follows: the drying equipment for producing the medical intermediate disclosed in publication No. CN213631436U cannot sufficiently contact the product with hot air flow, and further affects the drying efficiency and effect of the product.

Disclosure of Invention

The invention aims to provide drying equipment for producing a medical intermediate.

The technical problem of the invention is mainly solved by the following technical scheme:

the utility model provides a production intermediate's drying equipment, includes the drying bucket, wherein is provided with the feeder hopper on the drying bucket top apron, and its bottom is provided with the discharging pipe:

a plurality of groups of arc-shaped plates are axially arranged on the inner wall of the drying barrel, air holes are uniformly formed in the side wall of each arc-shaped plate, heating pipes are arranged on the inner wall of the drying barrel in the opening of each arc-shaped plate, a circle of air inlet pipe connected with an air heater through a pipeline is arranged on the outer side wall of the drying barrel, a branch pipe connected with the side wall of the drying barrel below each heating pipe is arranged on each air inlet pipe, and each branch pipe is connected with the side wall of the drying barrel in the opening of each arc-shaped plate;

the drying barrel is characterized in that a sieve plate is arranged at the top in the drying barrel, an air cylinder connected with the sieve plate through an air cylinder guide post is arranged on a cover plate, an arc notch buckled on a corresponding arc plate is further arranged at the edge of the sieve plate, vertical rods corresponding to the arc plates are arranged at the upper end and the lower end of the sieve plate, an arc seat corresponding to the arc plate is arranged on each vertical rod, and bristles tightly attached to the outer arc wall of the corresponding arc plate are arranged on the inner arc wall of each arc seat;

a plurality of groups of pore plates are arranged at the bottom of the sieve plate in parallel up and down, wherein the sieve plate is connected with the pore plate at the top and any two groups of adjacent pore plates at the top and the bottom through a plurality of groups of sliding rods, the top ends of the sliding rods are provided with convex blocks, springs are sleeved on the convex blocks and the sliding rods corresponding to the sieve plate and the pore plates, the sieve plate is also provided with movable rods connected with the pore plate at the top, and the top ends of the movable rods are provided with crushing plates in a shape like Chinese character 'mi' and positioned above the sieve plate;

a cylinder is arranged at the bottom in the drying barrel, a fan is arranged in the cylinder, a truncated cone-shaped expansion part is further arranged at the top of the cylinder, a heating plate is arranged on the inner wall of the expansion part, and a conical protective cover with a net-shaped side wall is buckled at the top of the expansion part;

the top of the cover plate is provided with a support, a motor is arranged on the support, a conical supporting seat is arranged on a motor rotating shaft located in the drying barrel, a plurality of groups of crushing blades are transversely arranged on the motor rotating shaft above the supporting seat, and helical blades extending into the feeding hopper are arranged on the motor rotating shaft above the crushing blades.

Preferably, a corrugated hose is sleeved outside a cylinder guide post of the cylinder, wherein 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.

Preferably, through holes for the corresponding sliding rod bodies to pass through are formed in the sieve plate and the pore plate, the diameter of each lug is larger than the inner diameter of each through hole, screw pipes in threaded connection with the bottom ends of the corresponding sliding rods are further arranged on the top end face of the pore plate, the tail ends of the crushing plates, the cylinder guide posts and the corresponding sliding rods are arranged in a staggered mode, the bottoms of the crushing plates are arranged in a suspended mode, and circular holes for the movable rods to pass through are further formed in the middle of the tops of the sieve plate.

Preferably, the sieve below is provided with a filter screen section of thick bamboo I of nylon material, and wherein filter screen section of thick bamboo I lateral wall is located between the montant and the orifice plate that correspond, and filter screen section of thick bamboo I bottom is provided with the 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 a filter screen section of thick bamboo II that is located between the corresponding multiunit montant, and wherein filter screen section of thick bamboo II makes for the nylon material, and filter screen section of thick bamboo II about both ends respectively with sieve top end face and apron bottom end face fixed connection.

Preferably, be provided with the outlet duct on the apron, wherein the bottom is provided with fixed pipe in the outlet duct, and fixed socle end turns over outwards to have the kink of being connected with the intraductal diapire of outlet duct, the overcoat has the dust bag who is located the outlet duct on the fixed pipe, and wherein the dust bag passes through clamp locking to be fixed on fixed pipe.

Preferably, the bottom of the side wall of the drying barrel is provided with a sewage discharge pipe positioned in the opening corresponding to the arc-shaped 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.

The invention has the beneficial effects that: the vibrating screen plate and the vibrating pore plate are used for vibrating and screening materials to prevent the materials from agglomerating so that the introduced hot air can be contacted with the materials to achieve the purpose of improving the drying efficiency and the drying effect, the hot air sprayed from the air holes on the side wall of the arc-shaped plate can dry the materials which are vibrated or screened from the upper side and the lower side of the screen plate and the clamping plate from multiple directions, so that the contact area with the materials is enlarged to improve the drying efficiency and the drying effect, meanwhile, the materials are prevented from agglomerating due to the influence of the crushing blades and the crushing plate, and the materials can be effectively screened by the screen plate or the clamping plate due to material dispersion to disperse the materials, so that the introduced hot air can be fully contacted with the materials to improve the drying efficiency and the drying effect.

Drawings

FIG. 1 is a schematic structural view 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 panel according to the present invention.

In the figure: 1. the drying device comprises a drying barrel, 2, a feed hopper, 3, a discharge pipe, 4, an arc-shaped plate, 5, a heating pipe, 6, an air inlet pipe, 7, a branch pipe, 8, a sieve plate, 9, an arc-shaped notch, 10, a vertical rod, 11, an arc-shaped seat, 12, bristles, 13, a pore plate, 14, a sliding rod, 15, a bump, 16, a spring, 17, a movable rod, 18, a crushing plate, 19, a cylinder, 20, a fan, 21, an expansion part, 22, a protective cover, 23, a support, 24, a motor, 25, a support seat, 26, a crushing blade, 27, a helical blade, 28, a filter screen cylinder I,29, a counterweight ring, 30, a filter screen cylinder II,31, an air outlet pipe, 32, a fixing pipe, 33, a dust removal filter bag, 34, a ventilation pipe, 35 and an air cylinder.

Detailed Description

The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.

The utility model provides a production intermediate's drying equipment, includes drying barrel 1, wherein is provided with feeder hopper 2 on the 1 top apron of drying barrel, and its bottom is provided with discharging pipe 3:

a plurality of groups of arc-shaped plates 4 are axially arranged on the inner wall of the drying barrel 1, air holes are uniformly formed in the side walls of the arc-shaped plates 4, heating pipes 5 are arranged on the inner wall of the drying barrel 1 in an opening of the arc-shaped plates 4, a circle of air inlet pipe 6 connected with an air heater through a pipeline is arranged on the outer side wall of the drying barrel 1, a branch pipe 7 connected with the side wall of the drying barrel 1 below the heating pipes 5 is arranged on the air inlet pipe 6, and the branch pipe 7 is connected with the side wall of the drying barrel 1 in the opening of the arc-shaped plates 4;

the top is provided with sieve 8 in drying bucket 1, wherein is provided with the cylinder 35 of being connected through cylinder guide pillar and sieve 8 on the apron, and 8 border departments of sieve still are provided with and detain the arc breach 9 on corresponding arc 4, and the overcoat has the corrugated hose on the cylinder guide pillar of cylinder 35, and the corrugated hose both ends are fixed with apron bottom face and 8 top end faces bonding respectively simultaneously.

When the drying barrel is used, the production medicine intermediate is guided into the drying barrel 1 above the sieve plate 8 through the feed hopper 2, the air cylinder 35 drives the sieve plate 8 to shake up and down through the air cylinder guide pillar, and then raw materials falling above the air cylinder 35 shake to evenly sieve the raw materials, meanwhile, the hot air blower guides hot air into the air inlet pipe 6 through the pipeline and injects the hot air into the opening of the arc-shaped plate 4 through the branch pipes 7, and then the hot air is sprayed through the air holes to heat and dry the materials on the upper side and the lower side of the sieve plate 8 from multiple directions.

And the hot air flow that leads into drying barrel 1 is further heated through heating pipe 5 in above-mentioned process to this promotes its heating drying efficiency and effect to the raw materials, and wherein arc 4 then can play the guard action to heating pipe 5, prevents that raw materials and heating pipe 5 contact in the drying barrel 1 from influencing its security.

The upper end and the lower end of the sieve plate 8 are provided with vertical rods 10 corresponding to the arc-shaped plates 4, wherein the vertical rods 10 are provided with arc-shaped seats 11 corresponding to the arc-shaped plates 4, and the inner arc walls of the arc-shaped seats 11 are provided with brush hairs 12 tightly attached to the outer arc walls of the corresponding arc-shaped plates 4.

When sieve 8 reciprocates by the drive of cylinder 35, it can drive arc seat 11 through montant 10 and remove, and arc seat 11 then can drive brush hair 12 and brush the arc wall outside 4 arc plates, in order to prevent that sieve 8 top material from having a small amount of adhesion on arc wall outside 4 when the sieve falls, and then stop up the venthole and influence the blowout work of hot air current in 4 openings of arc plate, finally when reaching and doing benefit to the inside and outside both sides gas flow of arc plate 4, still can play the cleaning action to its surface, under the unobstructed prerequisite of gas flow in keeping the bleeder vent, can effectively promote the drying efficiency and the effect of material.

A plurality of groups of pore plates 13 are arranged at the bottom of the sieve plate 8 in parallel up and down, wherein a plurality of groups of sliding rods 14 are connected between the sieve plate 8 and the uppermost pore plate 13 and between any two groups of adjacent pore plates 13 up and down, the top ends of the sliding rods 14 are provided with convex blocks 15, springs 16 are sleeved on the convex blocks 15 and the sliding rods 14 between the corresponding sieve plate 8 and the 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 orifice plate 13 are provided with through holes for the rods of the corresponding sliding rods 14 to pass through, wherein the diameter of the convex block 15 is larger than the inner diameter of the through hole, the top end face of the orifice plate 13 is also provided with a solenoid which is screwed with the bottom end of the corresponding sliding rod 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 arranged in a suspended manner, and the middle of the top of the sieve plate 8 is also provided with a round hole for the movable rod 17 to pass through.

When the sieve plate 8 is driven by the cylinder 35 to move up and down, the sieve plate can drive the sliding rod 14 to slide in the through hole, and further the spring 16 is extruded to contract and expand the sieve plate, so that 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 contraction and expansion process can drive the pore plate 13 to shake violently up and down through the sliding rod 14, the pore plate 13 can sieve down the materials sieved by the sieve plate 8 again, the upper and lower groups of pore plates 13 can sieve down the materials in multiple stages to prevent the materials from falling together, and further the materials are dispersed so that hot air sprayed by the air holes can be fully contacted with the hot air to achieve the purpose of improving the drying efficiency and the drying effect, wherein the severely shaken pore plate 13 can prevent the materials from being easily deposited on the top of the materials for a long time and being sieved smoothly.

And meanwhile, when the uppermost pore plate 13 is contracted and expanded by the spring 16 to change the distance between the uppermost pore plate and the sieve plate 8, the uppermost pore plate can drive the movable rod 17 to slide in the circular hole, and further push the crushing plate 18 to move up and down above the sieve plate 8, so that the crushing plate 18 can crush the materials above the sieve plate 8, prevent the materials from agglomerating to cause that hot air flow cannot sufficiently dry the materials, and simultaneously prevent the materials from falling off due to the fact that the size of the materials is too large and the sieve plate 8 cannot effectively sieve the materials, and finally cause the problem that the materials deposit on the top of the sieve plate 8 for a long time.

The bottom in the drying barrel 1 is provided with a cylinder 19, wherein a fan 20 is arranged in the cylinder 19, the top of the cylinder 19 is further provided with a circular truncated cone-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 side wall of a net structure, the side wall of the drying barrel 1 is further provided with a vent pipe 34 communicated with the cylinder 19, and the outlet end of the vent pipe 34 is internally provided with a filtering mechanism.

When the drying device works, the hole diameter of the side wall of the protective cover 22 is convenient for air circulation, and meanwhile, falling materials can be prevented from entering the cylinder 19 and contacting the fan 20, when the drying device is used, the fan 20 works to generate strong air flowing upwards, the heating plate heats the strong air, at the same time, hot air flowing out from the hole diameter of the side wall of the protective cover 22 in the radial direction can heat and dry the falling materials, the falling speed of the materials can be reduced, the hot air sprayed from the air holes can be fully contacted with the hot air, the drying effect and the drying efficiency of the materials are improved, and meanwhile, the bottom end face of the pore plate 13 can be blown and cleaned.

8 below of sieve is provided with the filter screen section of thick bamboo I28 of nylon material, and wherein filter screen section of thick bamboo I28 lateral wall is located between corresponding montant 10 and the orifice plate 13, and is provided with metal counter weight ring 29 bottom the filter screen section of thick bamboo I28, the bleeder vent sets up on the arc 4 lateral walls of counter weight ring 29 top, 8 tops of sieve are provided with and are located the filter screen section of thick bamboo II30 between corresponding multiunit montant 10, and wherein filter screen section of thick bamboo II30 is made for the nylon material, and filter screen section of thick bamboo II30 about both ends respectively with 8 top end faces of sieve and apron bottom end face fixed connection.

As shown in figure 1, when the materials on the upper side and the lower side of the sieve plate 8 are sieved through the filter screen cylinder I28 and the filter screen cylinder II30 which can be reeled by the side walls, a large amount of materials are contacted with the side walls of the arc-shaped plate 4 to block the air vents, so that the hot air flow in the air vents 4 can be effectively discharged, and the sieved materials can be effectively dried.

The top of the cover plate is provided with a support 23, wherein a motor 24 is arranged on the support 23, a conical support seat 25 is arranged on a 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 support seat 25, and a helical blade 27 extending into the feed hopper 2 is arranged on the rotating shaft of the motor 24 above the crushing blades 26.

When leading-in drying bucket 1 with the material in through feeder hopper 2 in, motor 24 drive pivot drives helical blade 27, crushing blade 26 and supporting seat 25 are rotatory, helical blade 27 can drive the interior material of feeder hopper 2 and force to discharge in drying bucket 1 in order to prevent that the material from taking place to block up this moment, and rotatory crushing blade 26 then can carry out elementary breakage to the material in order to prevent its caking, and then be convenient for follow-up work such as dry screening to it, wherein supporting seat 25 is then when preventing that sieve 8 from driving its top material and tremble the sieve and fall, have partial material to receive the influence of shake power and get into and discharge in feeder hopper 2.

The cover plate is provided with an air outlet pipe 31, wherein the bottom in the air outlet pipe 31 is provided with a fixed pipe 32, the bottom end of the fixed pipe 32 is outwards turned and folded to form a bending part connected with the bottom wall in the air outlet pipe 31, the fixed pipe 32 is externally sleeved with a dust-removing filter bag 33 positioned in the air outlet pipe 31, and the dust-removing filter bag 33 is locked and fixed on the fixed pipe 32 through a clamp.

Then the hot gas flow will flow into the dust filter bag 33 through the fixed pipe 32 after drying the material in the drying barrel 1, at this moment, the gas flow can flow out through the aperture of the dust filter bag 33 to prevent the imported hot gas flow from staying in the drying barrel 1 for a long time to form pressure build-up, and then play a positive role in improving the safety of the components in the drying barrel 1, and the dust filter bag 33 can filter the dust material which may be diffused, so that the recovery work of the part of the material is convenient, and the dust filter bag 33 can be taken down from the fixed pipe 32 by disassembling the clamp after the use, and then the obtained material filtered in the dust filter bag is recovered to prevent waste.

The bottom of the side wall of the drying barrel 1 is provided with a drain pipe which is positioned in the opening corresponding to the arc-shaped plate 4, and the drain pipe can be used for discharging materials which are possibly deposited at the bottom in the opening of the arc-shaped plate 4.

The material is shaken and sieved by the shaken sieve plate 8 and the orifice plate 13 to prevent the material from agglomerating so as to facilitate the contact of the introduced hot air flow with the material to realize the aim of improving the drying efficiency and the drying effect, the hot air flow sprayed out of the air holes on the side wall of the arc plate 4 can dry the shaken or sieved material on the upper side and the lower side of the sieve plate 8 and the orifice plate 13 from multiple directions, so that the contact area with the material is enlarged to improve the drying efficiency and the drying effect, and meanwhile, the material agglomeration is prevented under the influence of the crushing blade 26 and the crushing plate 18, and the material can be effectively sieved by the sieve plate 8 or the orifice plate 13 due to the material dispersion to disperse the material, so that the introduced hot air flow is fully contacted with the material to improve the drying efficiency and the drying effect.

The present invention has been described in detail, but the above description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.

Claims

1. The utility model provides a production intermediate's drying equipment, includes the drying bucket, wherein is provided with the feeder hopper on the drying bucket top apron, and its bottom is provided with discharging pipe, its characterized in that:

the inner top of the drying barrel is provided with a sieve plate, an air cylinder connected with the sieve plate through an air cylinder guide post is arranged on a cover plate, an arc-shaped notch buckled on a corresponding arc-shaped plate is further arranged at the edge of the sieve plate, vertical rods corresponding to the arc-shaped plate are arranged at the upper end and the lower end of the sieve plate, an arc-shaped seat corresponding to the arc-shaped plate is arranged on each vertical rod, and bristles tightly attached to the outer arc wall of the corresponding arc-shaped plate are arranged on the inner arc wall of each arc-shaped seat;

the top of the cover plate is provided with a support, a motor is arranged on the support, a conical supporting seat is arranged on a motor rotating shaft located 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.

2. The drying apparatus for producing pharmaceutical intermediates of claim 1, wherein: and a corrugated hose is sleeved outside a cylinder guide post of the cylinder, wherein 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. The drying apparatus for producing pharmaceutical intermediates of claim 1, wherein: the screen plate and the pore plate are provided with through holes for the corresponding sliding rod bodies to pass through, the diameters of the bumps are larger than the inner diameters of the through holes, screw pipes in threaded connection with the bottom ends of the corresponding sliding rods are further arranged on the top end face of the pore plate, the tail ends of the crushing plates are staggered with the cylinder guide pillars and the corresponding sliding rods, the bottoms of the crushing plates are arranged in a suspended mode, and the middle of the tops of the screen plates is further provided with round holes for the movable rods to pass through.

4. A drying apparatus for producing a pharmaceutical intermediate according to claim 1, wherein: the sieve below is provided with a filter screen section of thick bamboo I of nylon material, and wherein filter screen section of thick bamboo I lateral wall is located between corresponding montant and the orifice plate, and filter screen section of thick bamboo I bottom is provided with the 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 a filter screen section of thick bamboo II that is located between corresponding multiunit montant, and wherein filter screen section of thick bamboo II makes for the nylon material, and filter screen section of thick bamboo II about both ends respectively with sieve top end face and apron bottom face fixed connection.

5. The drying apparatus for producing pharmaceutical intermediates of claim 1, wherein: the improved dust removal device is characterized in that an air outlet pipe is arranged on the cover plate, a fixed pipe is arranged at the bottom in the air outlet pipe, a bent part connected with the inner bottom wall of the air outlet pipe is arranged at the bottom end of the fixed pipe in an outwards-folded mode, a dust removal filter bag located in the air outlet pipe is sleeved on the fixed pipe in an sleeved mode, and the dust removal filter bag is fixed on the fixed pipe through a clamp in a locking mode.

6. 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 blow-off pipe positioned in the opening corresponding to the arc-shaped 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.