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CN112146357A - Spray drying device and method for Relinqing tablets - Google Patents

Spray drying device and method for Relinqing tablets Download PDF

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Publication number
CN112146357A
CN112146357A CN202011147240.6A CN202011147240A CN112146357A CN 112146357 A CN112146357 A CN 112146357A CN 202011147240 A CN202011147240 A CN 202011147240A CN 112146357 A CN112146357 A CN 112146357A
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CN
China
Prior art keywords
tank
drying
air
drying tank
atomization
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011147240.6A
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Chinese (zh)
Inventor
夏伟
张涛
贾延凤
赵栋磊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HEFEI JINYUE PHARMACEUTICAL CO Ltd
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HEFEI JINYUE PHARMACEUTICAL CO Ltd
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Application filed by HEFEI JINYUE PHARMACEUTICAL CO Ltd filed Critical HEFEI JINYUE PHARMACEUTICAL CO Ltd
Priority to CN202011147240.6A priority Critical patent/CN112146357A/en
Publication of CN112146357A publication Critical patent/CN112146357A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B3/00Drying solid materials or objects by processes involving the application of heat
    • F26B3/02Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
    • F26B3/06Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D1/00Evaporating
    • B01D1/16Evaporating by spraying
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D1/00Evaporating
    • B01D1/30Accessories for evaporators ; Constructional details thereof
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/001Drying-air generating units, e.g. movable, independent of drying enclosure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/004Nozzle assemblies; Air knives; Air distributors; Blow boxes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/06Chambers, containers, or receptacles
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B5/00Drying solid materials or objects by processes not involving the application of heat
    • F26B5/04Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Microbiology (AREA)
  • Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Drying Of Solid Materials (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

Abstract

The invention discloses a spray drying device for a heat spray cleaning sheet, which comprises an atomization drying tank, a fan closing machine communicated with the lower end of the atomization drying tank, a mother liquor tank, an exhaust structure and a high-speed centrifugal atomizer fixedly arranged on the upper part of the inner side of the atomization drying tank, wherein the side wall of a columnar part of the atomization drying tank is of a double-layer structure, a heat pipe is fixedly arranged in a cavity between the double-layer side walls of the atomization drying tank, an exhaust port of a blower fixedly arranged on the side wall of the atomization drying tank is communicated with the cavity, a plurality of air ports are formed in the inner wall of the atomization drying tank, the air ports arranged on the upper part of the columnar part of the atomization drying tank are obliquely and upwards formed, and the air ports on the lower part are obliquely and downwards formed. Through the design of upgrading to hot-blast input structure, realized strengthening drying effect, prevent the adhesion of concentration on the inner wall to guarantee machining efficiency, the practicality is stronger.

Description

Spray drying device and method for Relinqing tablets
Technical Field
The invention belongs to the technical field of production of Relinqing tablets, and particularly relates to a spray drying device and a drying method for the Relinqing tablets.
Background
The Relinqing is a pure Chinese medicinal preparation which is produced by selecting the medicinal material polygonum capitatum in Guizhou dao according to the proved recipe which has unique curative effect on urinary system infection and flows in Guizhou folk. The Relinqing tablet is a modified preparation based on the original preparation type Relinqing granules. In the production, concentrated solution prepared from polygonum capitatum is dried, the dried dry material is collected into thick paste, a proper amount of starch, microcrystalline cellulose and sodium carboxymethyl starch are added, 40% ethanol is used for preparing granules, the granules are dried and granulated, a proper amount of magnesium stearate and sodium carboxymethyl starch are added, and the mixture is uniformly mixed and coated with a film coating.
In order to ensure the drying effect and the drying efficiency of the concentrated solution, a spray drying device is adopted for drying, the concentrated solution is liquefied and then is in contact with high-temperature gas for rapid drying, a steam heating device is arranged at one end of a pipeline of the traditional spray drying device to exchange heat with flowing air, and then the generated high-temperature air is continuously introduced into an atomization drying tank, but in the actual operation process, the air heat consumption is too high in the conveying process of a gas pipeline, so that the waste of heat energy is caused, and the waste of resources is caused;
in the drying process, a large amount of concentrated solution sprayed by atomization is attached to the inner wall of an atomization drying tank, and dried thick paste is also adhered to the inner wall and cannot be collected or has long down-flow time, so that the collection time is increased, and the processing efficiency is influenced;
in addition, traditional spray drying device lets in the heat flow from the atomizing drying tank upper end, and when the heat flow from top to bottom contacted with the concentrated solution of atomizing and dry, the big heat of the heat loss of atomizing drying tank lower part is lower, and is great to the drying efficiency decline of concentrated solution, exists the inhomogeneous condition of drying effect easily in industrial production, so need the pertinence to improve.
Disclosure of Invention
The present invention is directed to a spray drying apparatus and a drying method for a Relinqing tablet, which are used to solve the problems of the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a spray drying device for clear piece is drenched to heat, includes the spray drying jar, closes fan, mother liquor jar and exhaust structure and the high-speed centrifugal atomizer of fixed mounting on the inboard upper portion of spray drying jar with the spray drying jar lower extreme intercommunication, the lateral wall of the column portion of spray drying jar is bilayer structure, the cavity internal fixation between the bilayer lateral wall of spray drying jar has the heat pipe, the gas vent of fixed mounting's air-blower on the spray drying jar lateral wall with the cavity intercommunication, a plurality of wind gap has been seted up on the inlayer wall of spray drying jar, set up in the wind gap on spray drying jar column portion upper portion is the slope and upwards offers, and the lower part wind gap is seted up downwards for the slope.
Preferably, the middle part of the outer wall of the atomization drying tank is fixedly installed on the air blower, and the number of the air blowers outside the atomization drying tank is not less than three.
Preferably, an air filter is arranged at the air inlet end of the blower.
Preferably, the exhaust structure is composed of branch pipes communicated with the inside of the atomization drying tank, a deposition tank arranged between the branch pipes and a draught fan communicated with the other end of each branch pipe.
Preferably, the sedimentation tank is formed by arranging a wind closing machine at an outlet at the lower end of the funnel-shaped tank body, and the branch pipe is communicated with the upper part of the sedimentation tank.
Also provided is a method for drying a Relinqing tablet, comprising drying a concentrated Relinqing tablet by using the spray-drying apparatus according to any one of claims 1 to 5, characterized in that: comprises the following steps of (a) carrying out,
s1, firstly, starting a fan to input air into the cavity, simultaneously electrifying the heat pipe to generate heat, and inputting the heat into the atomization drying tank by blowing air through a blower;
s2, after 10 minutes, pumping the concentrated solution of the heat stranguria clearing tablet in the mother liquor tank through a single-screw pump, inputting the concentrated solution of the heat stranguria clearing tablet into a high-speed centrifugal atomizer, and atomizing the concentrated solution of the heat stranguria clearing tablet in an atomization drying tank through the high-speed centrifugal atomizer;
s3, discharging the dried dry material falling to an opening at the lower end of the atomization drying tank through a fan;
s4, discharging the air outwards through the connecting pipe connected with the lower end cone of the atomization drying tank, and secondarily recycling the discharged concentrated solution dry material through the deposition tank arranged on the connecting pipe to finish the atomization drying work of the hot spray cleaning sheet concentrated solution.
Preferably, when the single-screw pump stops conveying materials to the high-speed centrifugal atomizer, the high-speed centrifugal atomizer stops, and the fan stops after the fan keeps running for 10-15 minutes.
The invention has the technical effects and advantages that: the spray drying device and the drying method for the Relinqing tablet,
1. the adoption sets up the lateral wall of the spray drying tank into double-layer wall structure, and set up the heat pipe in the cavity between the wall, establish the air-blower in the spray drying tank outside to the cavity input air through the ring, produce high temperature air and pass through the wind gap and to the internal input of spray drying tank, save the heat loss of pipeline input, guarantee dry hot-blast heat, thereby guarantee drying effect, former heat drenches clear piece and adopts vacuum drying to obtain the dry extract after extracting the concentration, this spray drying equipment, effectively raise the efficiency, shorten the extract drying time of this kind, thereby guarantee the content of dry extract.
2. Set up in the wind gap on atomizing drying jar column portion upper portion is the slope and upwards offers, and the lower part wind gap is offered downwards for the slope, guarantees to have abundant thermal current contact time, falls atomizing drying jar column portion lower part position for the thick paste until the complete drying to guarantee that the thick paste collects to atomizing drying jar lower extreme with higher speed, accelerate the collection speed, guarantee dry work efficiency.
3. And set up the wind gap on the inner wall of spray drying jar, can avoid a large amount of wall built-ups of concentrate, cause the condition of thick paste large tracts of land adhesion on the lateral wall, further guaranteed collection efficiency, the practicality is stronger.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the atomizing drying cylinder;
fig. 3 is a partially enlarged view of a portion a in fig. 2.
In the figure: 1. an atomization drying tank; 2. shutting off the fan; 3. a mother liquor tank; 4. an exhaust structure; 41. a branch pipe; 42. a deposition tank; 43. an induced draft fan;
5. a high-speed centrifugal atomizer; 6. a cavity; 7. a heat pipe; 8. a blower; 9. a tuyere; 10. an air filter.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a spray drying device for a heat spray tablet as shown in figures 1-3, which comprises an atomization drying tank 1, a fan 2 communicated with the lower end of the atomization drying tank 1, a mother liquor tank 3, an exhaust structure 4 and a high-speed centrifugal atomizer 5 fixedly arranged on the upper part of the inner side of the atomization drying tank 1, wherein the side wall of the columnar part of the atomization drying tank 1 is of a double-layer structure, a heat pipe 7 is fixedly arranged in a cavity 6 between the double-layer side walls of the atomization drying tank 1, an exhaust port of a blower 8 fixedly arranged on the side wall of the atomization drying tank 1 is communicated with the cavity 6, a plurality of air ports 9 are arranged on the inner wall of the atomization drying tank 1, the air ports 9 arranged on the upper part of the columnar part of the atomization drying tank 1 are obliquely and upwards arranged, and the air ports 9 on the lower part are obliquely and.
In the device, the side wall of an atomization drying tank 1 is arranged into a double-layer wall structure, a heat pipe 7 is arranged in a cavity 6 between walls, air is input into the cavity 6 through an air blower 8 annularly arranged on the outer side of the atomization drying tank 1, high-temperature air is generated and input into the atomization drying tank 1 through an air port 9, heat loss input by a pipeline is saved, and the heat of dry hot air is ensured, so that the drying effect is ensured;
the air ports 9 arranged at the upper part of the columnar part of the atomization drying tank 1 are obliquely and upwards arranged, the air ports 9 at the lower part are obliquely and downwards arranged, heat input by the air ports 9 at the upper part of the columnar part of the atomization drying tank 1 blows the internally atomized concentrated solution from the oblique upper part through the guide of the air ports 9, so that the falling concentrated solution drops move from bottom to top for multiple times, sufficient heat flow contact time is ensured, and the thick paste falls to the lower part of the columnar part of the atomization drying tank 1 until the thick paste is completely dried;
and set up wind gap 9 on atomizing drying tank 1 inlayer wall, can avoid a large amount of wall built-ups of concentrate, cause the condition of thick paste large tracts of land adhesion on the lateral wall, further guaranteed collection efficiency, the practicality is stronger.
The middle part of 1 outer wall of spray drying jar is fixed mounting to air- blower 8, and 8 quantity of air-blowers in the 1 outside of spray drying jar are no less than three. The wind power input into the atomization drying tank 1 from the wind opening 9 is ensured to be more balanced, and the condition that the atomization concentrated solution is blown into the cavity 6 by overlarge wind pressure of a certain part is avoided.
An air filter 10 is arranged at the air inlet 9 end of the blower 8. The air blown in is filtered, so that a large amount of dust is prevented from being blown into the atomization drying tank 1, and the product quality is ensured.
The exhaust structure 4 is composed of a branch pipe 41 communicated with the inside of the atomization drying tank 1, a deposition tank 42 arranged between the branch pipe 41 and the induced draft fan 43 communicated with the other end of the branch pipe 41. The air blown into the atomization drying tank 1 is discharged outwards, so that the internal air pressure is prevented from being too high, in the air output process, the air passes through the plurality of deposition tanks 42 when being output through the middle branch pipe 41, the dried thick paste is settled downwards in each deposition tank 42, and secondary collection is carried out, so that the condition that a large amount of finished thick paste is discharged in the air exhaust process is avoided.
The deposition tank 42 is composed of a funnel-shaped tank body, an outlet at the lower end of the funnel-shaped tank body is provided with a blower 2, and the branch pipe 41 is communicated with the upper part of the deposition tank 42. Ensures that the branch pipe 41 passes through the upper part of the deposition tank 42 to ensure that the thick paste has a larger settling space in the deposition tank 42.
Also provided is a method for drying a Relinqing tablet, comprising drying a concentrated Relinqing tablet by using the spray-drying apparatus according to any one of claims 1 to 5, characterized in that: comprises the following steps of (a) carrying out,
s1, firstly, starting a fan to input air into the cavity 6, simultaneously electrifying the heat pipe 7 to generate heat, and blowing air by the air blower 8 to input the heat into the atomization drying tank 1; guarantee to input steam to atomizing drying cylinder 1 inside in advance, preheat, guarantee that the atomizing concentrate in the atomizing drying cylinder 1 can receive the drying immediately, guarantee to provide sufficient drying heat promptly from the drying.
S2, after 10 minutes, pumping the concentrated solution of the heat spray tablet in the mother liquor tank 3 through a single-screw pump, inputting the concentrated solution of the heat spray tablet into the high-speed centrifugal atomizer 5, and atomizing the concentrated solution of the heat spray tablet in the atomization drying tank 1 through the high-speed centrifugal atomizer 5;
s3, discharging the dried dry material falling to the opening at the lower end of the atomization drying tank 1 through a fan 2;
s4, discharging air outwards through the connecting pipe connected with the lower end cone of the atomization drying tank 1, and performing secondary recovery on the discharged concentrated solution dry material through the deposition tank 42 arranged on the connecting pipe to finish the atomization drying work of the concentrated solution of the heat spray cleaning sheet.
The hot gas through direct input carries out abundant contact to the atomizing concentrate of inner wall, rapid draing, and heat flow transmission path end heat is sufficient, has guaranteed drying effect, guarantees product quality's stability, and the practicality is stronger.
When the single-screw pump stops conveying materials to the high-speed centrifugal atomizer 5, the high-speed centrifugal atomizer 5 stops, and the fan stops after the fan keeps running for 10-15 minutes. Ensuring that all atomized concentrated solution in the atomization drying tank 1 is dried.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (7)

1. The utility model provides a spray drying device for clear piece is drenched to heat, includes atomizing drying cylinder (1), closes fan (2) with atomizing drying cylinder (1) lower extreme intercommunication, mother liquor jar (3) and exhaust structure (4) and fixed mounting in high-speed centrifugal atomizer (5) on atomizing drying cylinder (1) inboard upper portion, its characterized in that: the lateral wall of the column portion of the atomization drying tank (1) is of a double-layer structure, a heat pipe (7) is fixedly arranged in a cavity (6) between the double-layer lateral walls of the atomization drying tank (1), an air outlet of an air blower (8) fixedly installed on the lateral wall of the atomization drying tank (1) is communicated with the cavity (6), a plurality of air ports (9) are formed in the inner wall of the atomization drying tank (1), the air ports (9) formed in the upper portion of the column portion of the atomization drying tank (1) are obliquely and upwards formed, and the air ports (9) in the lower portion are formed downwards in an inclined mode.
2. A spray drying apparatus for thermally sprayed tablets according to claim 1, wherein: the middle part of the outer wall of the atomization drying tank (1) is fixedly installed on the air blower (8), and the number of the air blowers (8) on the outer side of the atomization drying tank (1) is not less than three.
3. A spray drying apparatus for a thermal spray tablet according to claim 2, wherein: an air filter (10) is arranged at the air inlet (9) end of the blower (8).
4. A spray drying apparatus for thermally sprayed tablets according to claim 1, wherein: the exhaust structure (4) is composed of a branch pipe (41) communicated with the inside of the atomization drying tank (1), a deposition tank (42) arranged between the exhaust structure and the branch pipe (41) and an induced draft fan (43) communicated with the other end of the branch pipe (41).
5. A spray drying apparatus for thermally sprayed tablets according to claim 4, wherein: the sedimentation tank (42) is formed by arranging a wind closing machine (2) at the outlet of the lower end of the funnel-shaped tank body, and the branch pipe (41) is communicated with the upper part of the sedimentation tank (42).
6. A method for drying a Relinqing tablet, comprising drying a concentrated Relinqing tablet by using the spray-drying apparatus according to any one of claims 1 to 5, characterized in that: comprises the following steps of (a) carrying out,
s1, firstly, starting a fan to input air into the cavity (6), simultaneously electrifying the heat pipe (7) to generate heat, and blowing air by the air blower (8) to input the heat into the atomization drying tank (1);
s2, after 10 minutes, pumping the concentrated hot spraying tablet liquid in the mother liquor tank (3) through a single-screw pump, inputting the concentrated hot spraying tablet liquid into a high-speed centrifugal atomizer (5), and atomizing the concentrated hot spraying tablet liquid in an atomizing drying tank (1) through the high-speed centrifugal atomizer (5);
s3, discharging the dried dry material falling to an opening at the lower end of the atomization drying tank (1) through a fan (2);
s4, the connecting pipe connected with the lower end cone of the atomization drying tank (1) discharges the air outwards, and the deposition tank (42) arranged on the connecting pipe recovers the discharged concentrated liquid dry material for the second time, thus completing the atomization drying work of the concentrated liquid of the heat spray tablet.
7. The drying method for Relinqing tablets as claimed in claim 6, characterized in that: when the single-screw pump stops conveying materials to the high-speed centrifugal atomizer (5), the high-speed centrifugal atomizer (5) stops, and the fan stops after the fan keeps running for 10-15 minutes.
CN202011147240.6A 2020-10-23 2020-10-23 Spray drying device and method for Relinqing tablets Pending CN112146357A (en)

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Application Number Priority Date Filing Date Title
CN202011147240.6A CN112146357A (en) 2020-10-23 2020-10-23 Spray drying device and method for Relinqing tablets

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Application Number Priority Date Filing Date Title
CN202011147240.6A CN112146357A (en) 2020-10-23 2020-10-23 Spray drying device and method for Relinqing tablets

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114497528A (en) * 2021-12-29 2022-05-13 无锡晶石新型能源股份有限公司 Method for preparing lithium-rich manganese-based solid solution by spray drying and oxygen-rich sintering

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207532812U (en) * 2017-10-21 2018-06-26 上海华宝孔雀香精有限公司 A kind of spray dryer of uniform drying
CN108905250A (en) * 2018-08-21 2018-11-30 安徽顺恒信新材料有限公司 A kind of atomization integrally forming machine
CN209333226U (en) * 2018-12-27 2019-09-03 山东天晟生物科技有限公司 A kind of Sodium Hyaluronate dehydrogenation drying equipment
CN209475605U (en) * 2018-12-25 2019-10-11 江西维尔宝食品生物有限公司 It is a kind of for producing the efficient spray drying device of vegetable fat powder
CN213841526U (en) * 2020-10-23 2021-07-30 合肥今越制药有限公司 Spray drying device for heat spray cleaning tablet

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207532812U (en) * 2017-10-21 2018-06-26 上海华宝孔雀香精有限公司 A kind of spray dryer of uniform drying
CN108905250A (en) * 2018-08-21 2018-11-30 安徽顺恒信新材料有限公司 A kind of atomization integrally forming machine
CN209475605U (en) * 2018-12-25 2019-10-11 江西维尔宝食品生物有限公司 It is a kind of for producing the efficient spray drying device of vegetable fat powder
CN209333226U (en) * 2018-12-27 2019-09-03 山东天晟生物科技有限公司 A kind of Sodium Hyaluronate dehydrogenation drying equipment
CN213841526U (en) * 2020-10-23 2021-07-30 合肥今越制药有限公司 Spray drying device for heat spray cleaning tablet

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114497528A (en) * 2021-12-29 2022-05-13 无锡晶石新型能源股份有限公司 Method for preparing lithium-rich manganese-based solid solution by spray drying and oxygen-rich sintering

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