CN216048998U - Drying device of high bulk density crosslinked polyvidone - Google Patents
Drying device of high bulk density crosslinked polyvidone Download PDFInfo
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- CN216048998U CN216048998U CN202122619278.5U CN202122619278U CN216048998U CN 216048998 U CN216048998 U CN 216048998U CN 202122619278 U CN202122619278 U CN 202122619278U CN 216048998 U CN216048998 U CN 216048998U
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Abstract
The utility model discloses a drying device for high-bulk-density crospovidone, and aims to solve the problems that raw materials are easy to be solidified on the inner wall of a drying tower, waste is caused, and the use of equipment is influenced. The key points of the technical scheme are as follows: including the drying tower, the drying tower top is provided with the inlet pipe, and the drying tower bottom is provided with the discharging pipe, the drying tower including outer tower and with outer tower sliding connection's interior tower, be provided with the elastic component that a plurality of arrays distribute between outer tower and the interior tower, be provided with the cavity that a plurality of arrays distribute in the interior tower, install motor one in the cavity, be provided with on the output shaft of motor one rather than fixed connection's scarce gear. According to the utility model, the gear lack and the sliding frame are arranged in the cavity of the inner tower to drive the knocking rod to intermittently knock the inner wall of the inner tower, so that the inner wall of the inner tower vibrates to shake off powder solidified on the inner wall of the inner tower, and the raw materials adhered on the inner wall can be collected, thereby avoiding waste.
Description
Technical Field
The utility model relates to the field of povidone processing equipment, in particular to a drying device for high-bulk-density crospovidone.
Background
Because of the high molecular weight and the cross-linked structure of crospovidone, water is not dissolved in water but is rapidly introduced in the water, so that the network structure of the crospovidone is promoted to expand to generate a disintegration effect, and the crospovidone is also widely applied to excipients of tablets. The preparation method of the crospovidone needs to carry out polymerization reaction by taking sodium hydroxide solution as an initiator and N-vinyl pyrrolidone under the protection of nitrogen to generate a crude product of a crosslinked homopolymer, and then the crude product is centrifugally washed, spray-dried and sieved to prepare the crospovidone, wherein the drying process is indispensable.
However, in the existing spray drying device, the raw materials are sprayed out through the spray head, so that the raw materials are easily sprayed and adhered to the inner wall of the drying tower, the raw materials are solidified on the inner wall of the drying tower to be difficult to collect and clean after being dried, the raw materials are wasted, and the normal use of the equipment is easily influenced after long-term accumulation.
There is therefore a need to propose a solution to this problem.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide the drying device for the high-bulk-density crospovidone.
The technical purpose of the utility model is realized by the following technical scheme: a drying device for high bulk density crospovidone comprises a drying tower, wherein a feeding pipe is arranged at the top end of the drying tower, the bottom end of the drying tower is provided with a discharge pipe, the drying tower comprises an outer tower and an inner tower which is in sliding connection with the outer tower, a plurality of elastic pieces which are distributed in an array are arranged between the outer tower and the inner tower, a plurality of spray heads are arranged in the inner tower, a plurality of cavities distributed in an array are arranged in the inner tower, a first motor is arranged in the cavities, a gear lacking wheel fixedly connected with the first motor is arranged on an output shaft of the first motor, the gear-lacking outer sleeve is provided with a sliding frame which is connected with the inner wall of the cavity in a sliding way, the inner walls of the upper side and the lower side of the sliding frame are provided with clamping teeth which are engaged with the gear-lacking, the two ends of the sliding frame are fixedly connected with knocking rods, the inner wall of the cavity is fixedly connected with a fixing block, and through holes for the knocking rods to penetrate through and move are formed in the fixing block.
By adopting the technical scheme, in the process of drying the raw materials by the drying tower, the raw materials can enter the drying tower through the feeding pipe and are spray-dried through the spray head, in the process, the motor in the cavity drives the gear lacking in the cavity to rotate, the gear lacking can be respectively meshed with the clamping teeth on the upper side and the lower side of the sliding frame in the rotating process, therefore, the rotation of the gear lacking can drive the sliding frame to move in a reciprocating manner, the movement of the sliding frame can drive the knocking rod to continuously knock one side of the cavity close to the inner wall of the drying tower, so that the inner wall of the inner tower continuously vibrates in the drying process, dry powder fixedly connected on the inner wall of the inner tower is shaken off, the raw materials fixedly connected on the inner wall of the inner tower are reduced, the inner tower and the outer tower are in sliding connection, and a plurality of elastic pieces are connected between the inner tower and the outer tower, therefore, in the process of the motor operating and the knocking rod, can make the interior tower produce certain rocking at dry in-process, and the elastic component can be further enlargied through flexible range of rocking, consequently interior tower just can be in the inner wall vibrations, itself produces certain shake, can be more effectual will consolidate the powder on the inner wall and give and shake off, the effectual raw materials that has reduced the adhesion on the inner wall, the collection rate of povidone powder has been improved, the raw materials of consolidating on the inner wall after avoiding using for a long time can influence the normal use of equipment.
The utility model is further configured to: the upper end of the inner tower is provided with a second motor, a raw material box fixedly connected with an output shaft of the second motor is arranged in the inner tower, the spraying heads are fixedly connected with the lower end face of the raw material box, and the upper end face of the raw material box is provided with a feeding hole corresponding to the position of the feeding pipe.
Through adopting above-mentioned technical scheme, when needs carry out spray drying to the raw materials, carry the raw materials to the head tank in through inlet pipe and feed port, the raw materials in the head tank just can spray through a plurality of atomising heads, and at the in-process that sprays, can drive the head tank through two motors and rotate, the rotatory centrifugal force that produces of head tank not only can increase the range that the inner tower rocked, the effect of shaking off the raw materials on making the inner wall is better, and after the head tank is rotatory, the raw materials that follow atomising head spraying can more the diffusion fly upward at rotatory in-process, can avoid when spraying the raw materials can be piled up together, spray drying's effect has been improved, after the raw materials spray drying in the head tank is accomplished, make the head tank rotate to the feed port and correspond with the inlet pipe position again through two motors, just can wait for next feeding.
The utility model is further configured to: the lower terminal surface fixedly connected with stopper of interior tower, be provided with the spacing groove that supplies the stopper to insert and remove on the diapire of outer tower, stopper and spacing groove and discharging pipe distribution of staggering.
Through adopting above-mentioned technical scheme, the in-process that the tower rocked in, the stopper can insert and remove in the spacing groove, makes the in-process that the tower was removing more stable in the messenger, and stopper and spacing groove and discharging pipe distribution of staggering can not influence normal ejection of compact.
The utility model is further configured to: the inner wall of the limiting groove is provided with a plurality of first universal balls distributed in an array mode, and the first universal balls are attached to the surface of the limiting block.
Through adopting above-mentioned technical scheme, at the in-process that the stopper removed along the spacing groove, universal ball rolls for a while along the surface of stopper, has reduced the friction between stopper and the spacing groove, makes the removal of stopper more smooth and easy.
The utility model is further configured to: and a plurality of universal balls II distributed in an array are arranged on the inner wall of the through hole, and the universal balls II are attached to the surface of the knocking rod.
Through adopting above-mentioned technical scheme, at the in-process that strikes the pole and remove along with the sliding block, universal ball two can be followed the surface roll that strikes the pole, has reduced the friction between knocking pole and the fixed block, makes to strike the pole more smooth and easy at the in-process that removes.
The utility model is further configured to: the feed pipe is provided with an atomizer.
Through adopting above-mentioned technical scheme, the atomizer can atomize the raw materials that enters into the raw materials case, makes the raw materials in the raw materials case can dry more efficient after through the atomising head blowout, has improved the dry effect of raw materials.
The utility model is further configured to: and the first motor and the second motor are both provided with a brake and connected with a reversing switch.
Through adopting above-mentioned technical scheme, the band-type brake can realize the auto-lock after motor one and motor two are closed, and the two direction switch of falling can make motor one and motor two realize positive and negative rotation.
In conclusion, the utility model has the following beneficial effects:
according to the utility model, the gear lack and the sliding frame are arranged in the cavity of the inner tower to drive the knocking rod to intermittently knock the inner wall of the inner tower, so that the inner wall of the inner tower vibrates to shake off powder solidified on the inner wall of the inner tower, and the raw materials adhered on the inner wall can be collected, thereby avoiding waste.
Drawings
FIG. 1 is a schematic structural view of the present invention, showing structural features of a drying tower;
fig. 2 is an enlarged view of part a of fig. 1, showing internal structural features of the cavity.
In the figure: 1. a feed pipe; 2. a discharge pipe; 3. an outer tower; 4. an inner tower; 5. an elastic member; 6. a spray head; 7. a cavity; 8. a gear is missing; 9. a sliding frame; 10. clamping teeth; 11. a fixed block; 12. a knock bar; 13. a second motor; 14. a raw material tank; 15. a feed port; 16. a limiting block; 17. a limiting groove; 18. and a first universal ball.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and specific embodiments, and it is to be noted that the embodiments and features of the embodiments of the present application can be combined with each other without conflict.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The present invention will be described in detail below with reference to the accompanying drawings.
The utility model provides a drying device of high bulk density crosslinked polyvidone, as shown in fig. 1-2, including the drying tower, the drying tower top is equipped with inlet pipe 1, be equipped with the atomizer on the inlet pipe 1, the drying tower bottom is equipped with discharging pipe 2, the drying tower including outer tower 3 and with outer tower 3 sliding connection's interior tower 4, be equipped with a plurality of array distribution's elastic component 5 between outer tower 3 and the interior tower 4, elastic component 5 is the spring, the both ends of elastic component 5 respectively with the inner wall of interior tower 4 and the outer wall fixed connection of outer tower 3.
The side wall of the drying tower is provided with a hot air inlet pipe with one end communicated with the drying tower, the top end of the drying tower is provided with an outlet pipe with one end communicated with the drying tower, the hot air inlet pipe is provided with a blower and an air heater, the outlet pipe is connected with a heat exchanger, the outlet of the heat exchanger is connected with the hot air inlet pipe through a pipeline, the blower and the air heater can make hot air enter the inner tower 4 through the hot air inlet pipe to dry raw materials, tail gas discharged from the outlet pipe can enter the inlet pipe from the pipeline after passing through the heat exchanger and then enter the drying tower again after being heated, the heat recovery rate is high, the feed pipe 1, the discharge pipe 2, the hot air inlet pipe and the outlet pipe all penetrate through the inner tower 4 and the outer tower 3 and are fixedly connected with the inner tower 4, each pipeline is communicated with a drying chamber in the inner tower 4, and the outer tower 3 is provided with a space required for the pipelines to rock together when the inner tower 4 rocks, each pipeline can also be a hose, and the normal use of each pipeline cannot be influenced by the shaking of the inner tower 4.
Two 13 motors are installed to the upper end of interior tower 4, be equipped with in interior tower 4 with two 13 motors's output shaft fixed connection's former feed box 14, the atomising head 6 of a plurality of array distributions of lower terminal surface fixedly connected with of former feed box 14, install the valve that is used for controlling 6 switches of atomising head on the former feed box 14, the up end of former feed box 14 is equipped with the feed port 15 that corresponds with inlet pipe 1 position, all be equipped with the band-type brake on motor one and two 13 and be connected with the switch of reversing and reversing.
Be equipped with the cavity 7 that a plurality of arrays distribute in the interior tower 4, install motor I in cavity 7, be equipped with on the output shaft of motor I rather than fixed connection's scarce gear 8, lack 8 overcoat of gear be equipped with cavity 7 inner wall sliding connection's sliding frame 9, all be equipped with on the inner wall of both sides about sliding frame 9 with lack the latch 10 of 8 meshing of gear, the equal fixedly connected with in both ends of sliding frame 9 strikes pole 12, fixedly connected with fixed block 11 on the inner wall of cavity 7, be equipped with the through-hole that supplies to strike pole 12 and pass and remove in the fixed block 11, be equipped with the universal ball two of a plurality of arrays distributions on the inner wall of through-hole, universal ball two and the surface laminating who strikes pole 12.
The lower terminal surface fixedly connected with stopper 16 of interior tower 4 is equipped with the spacing groove 17 that supplies stopper 16 to insert and remove on the diapire of outer tower 3, stopper 16 and spacing groove 17 and discharging pipe 2 distribution of staggering, is equipped with a plurality of array distribution's universal ball 18 on the inner wall of spacing groove 17, and universal ball 18 and stopper 16's surface laminating.
In the process of drying raw materials in the drying tower, the raw materials enter the drying tower through the feeding pipe 1 and are spray-dried through the spray head 6, in the process, the motor in the cavity 7 drives the gear lacking 8 in the cavity 7 to rotate, the gear lacking 8 is meshed with the latch teeth 10 on the upper side and the lower side of the sliding frame 9 respectively in the rotating process, therefore, the rotation of the gear lacking 8 can drive the sliding frame 9 to move in a reciprocating manner, namely, the gear lacking 8 can be meshed with the latch teeth 10 on the upper side of the inner wall of the sliding frame 9 when rotating to the upper side, when the teeth on the gear lacking 8 rotate to the lower side, the gear lacking can be meshed with the latch teeth 10 on the lower side of the inner wall of the sliding frame 9, the movement of the sliding frame 9 can drive the knocking rod 12 to continuously knock one side of the cavity 7, which is close to the inner wall of the drying tower, so that the inner wall of the inner tower 4 continuously generates vibration in the drying process, the dry powder solidified on the inner wall of the inner tower 4 is shaken off, so that the raw material solidified and remained on the inner wall of the inner tower 4 is reduced.
And because interior tower 4 and outer tower 3 are sliding connection, and be connected with a plurality of elastic component 5 between the two, consequently at the in-process that a motor operation and strike pole 12 strike, can make interior tower 4 produce certain rocking at dry in-process, and elastic component 5 can be further enlargied the range of rocking through flexible, consequently interior tower 4 just can be in the inner wall vibrations, itself produces certain shake, can be more effectual will consolidate the powder on the inner wall and give and shake off, the effectual raw materials that adhere on the inner wall that has reduced, the collection rate of povidone powder has been improved, avoid long-time use back consolidation raw materials on the inner wall can influence the normal use of equipment.
When the raw materials are required to be spray-dried, the raw materials are conveyed into the raw material box 14 through the feeding pipe 1 and the feeding hole 15, the raw materials in the raw material box 14 can be sprayed through the plurality of spraying heads 6, in the spraying process, the raw material box 14 can be driven to rotate through the motor II 13, the centrifugal force generated by rotation of the raw material box 14 can increase the shaking amplitude of the inner tower 4, the effect of shaking the raw materials on the inner wall is better, the raw materials sprayed from the spraying heads 6 can be diffused and fly in the rotating process after the raw material box 14 rotates, the raw materials can be prevented from being accumulated together during spraying, the spray-drying effect is improved, after the spray-drying of the raw materials in the raw material box 14 is completed, the raw material box 14 is rotated to the feeding hole 15 through the motor II 13 to correspond to the feeding pipe 1 again, and the next feeding can be waited.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.
Claims (7)
1. The utility model provides a drying device of high bulk density crosslinked polyvidone, includes the drying tower, drying tower top is provided with inlet pipe (1), the drying tower bottom is provided with discharging pipe (2), its characterized in that: the drying tower comprises an outer tower (3) and an inner tower (4) which is in sliding connection with the outer tower (3), a plurality of elastic parts (5) which are distributed in an array manner are arranged between the outer tower (3) and the inner tower (4), a plurality of spray heads (6) are arranged in the inner tower (4), a plurality of cavities (7) which are distributed in an array manner are arranged in the inner tower (4), a first motor is arranged in the cavity (7), a missing gear (8) which is fixedly connected with the first motor is arranged on an output shaft of the first motor, a sliding frame (9) which is in sliding connection with the inner wall of the cavity (7) is sleeved outside the missing gear (8), clamping teeth (10) which are meshed with the missing gear (8) are arranged on the inner walls of the upper side and the lower side of the sliding frame (9), knocking rods (12) are fixedly connected with the two ends of the sliding frame (9), and fixing blocks (11) are fixedly connected with the inner wall of the cavity (7), and a through hole for the knocking rod (12) to pass through and move is formed in the fixed block (11).
2. The device of claim 1, wherein the device further comprises: motor two (13) are installed to the upper end of interior tower (4), be provided with in interior tower (4) with motor two (13) output shaft fixed connection's former feed box (14), it is a plurality of lower terminal surface fixed connection of atomising head (6) and former feed box (14), the up end of former feed box (14) is provided with feed port (15) that correspond with inlet pipe (1) position.
3. The device of claim 1, wherein the device further comprises: the lower terminal surface fixedly connected with stopper (16) of interior tower (4), be provided with on the diapire of outer tower (3) and supply stopper (16) to insert and spacing groove (17) that remove, stopper (16) and spacing groove (17) distribute with discharging pipe (2) stagger.
4. The device of claim 3, wherein the device further comprises: the inner wall of the limiting groove (17) is provided with a plurality of first universal balls (18) distributed in an array mode, and the first universal balls (18) are attached to the surface of the limiting block (16).
5. The device of claim 1, wherein the device further comprises: the inner wall of the through hole is provided with a plurality of universal ball II distributed in an array mode, and the universal ball II is attached to the surface of the knocking rod (12).
6. The device of claim 1, wherein the device further comprises: an atomizer is arranged on the feeding pipe (1).
7. The device of claim 2, wherein the device further comprises: and the first motor and the second motor (13) are both provided with a brake and connected with a reversing switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122619278.5U CN216048998U (en) | 2021-10-29 | 2021-10-29 | Drying device of high bulk density crosslinked polyvidone |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122619278.5U CN216048998U (en) | 2021-10-29 | 2021-10-29 | Drying device of high bulk density crosslinked polyvidone |
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| CN216048998U true CN216048998U (en) | 2022-03-15 |
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| CN202122619278.5U Active CN216048998U (en) | 2021-10-29 | 2021-10-29 | Drying device of high bulk density crosslinked polyvidone |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114526594A (en) * | 2022-04-24 | 2022-05-24 | 南通荣华乳品机械制造有限公司 | Inner wall cleaning device of drying spray tower |
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2021
- 2021-10-29 CN CN202122619278.5U patent/CN216048998U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114526594A (en) * | 2022-04-24 | 2022-05-24 | 南通荣华乳品机械制造有限公司 | Inner wall cleaning device of drying spray tower |
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