CN105300063A - Heating and drying device and method for mist spraying and freeze-drying device - Google Patents
Heating and drying device and method for mist spraying and freeze-drying device Download PDFInfo
- Publication number
- CN105300063A CN105300063A CN201510788984.9A CN201510788984A CN105300063A CN 105300063 A CN105300063 A CN 105300063A CN 201510788984 A CN201510788984 A CN 201510788984A CN 105300063 A CN105300063 A CN 105300063A
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- China
- Prior art keywords
- rotating cylinder
- urceolus
- freeze
- rotary
- drying device
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- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B5/00—Drying solid materials or objects by processes not involving the application of heat
- F26B5/04—Drying 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
- F26B5/06—Drying 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 the process involving freezing
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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
- F26B11/02—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles
- F26B11/04—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis
Abstract
The invention provides a heating and drying device for a mist spraying and freeze-drying device. The heating and drying device comprises an outer cylinder container for forming an airtight space, a rotary drying device used for containing and dynamically heating materials and partially arranged in the outer cylinder container and a temperature control circulation system used for controlling the heating temperature of the rotary drying device and connected with the rotary drying device. The outer cylinder container comprises an outer cylinder. The outer cylinder is provided with a feeding pipe, an air suction opening and a discharging opening. The rotary drying device comprises a rotating cylinder, a motor and a rotary shaft. The heating circulation system comprises a rotary connector, a heat exchanger, an electric heater and a fluid pump which form a closed loop. The invention further provides a heating drying method for the spraying and freeze-drying device, materials are fed into the rotary cylinder through the feeding pipe, the rotary cylinder continuously rotates in the drying process so that granular materials can roll continuously to make full and even contact with the cylinder wall for heating; and the freeze-dried materials dynamically roll in the rotary cylinder and are fully and evenly heated, the drying efficiency is improved, the material drying time is shortened, and therefore the drying process is continuously carried out.
Description
Technical field
The present invention relates to a kind of heat drying apparatus, particularly relate to a kind of heat drying apparatus of freeze-drier of spraying.
Background technology
In traditional freeze drying process, as shown in Figure 1, need to treat that the liquid A of freeze-drying is filled in the container B such as vial or pallet in advance, again this container B is contained in plane place flaggy C on glaciation, under vacuum environment, flaggy heats up to ice cube heating, and steam sublimation also leaves dry matter.In this dry run, material to be dried is standing all the time, only have bottom among a small circle region contact with flaggy, conduct heat limited, particularly when material load in advance carry out freeze-drying in the container of the hot non-conductors such as vial time, heat-transfer effect is poor, and drying time is long; The material upper surface left standstill is dry at first, and drying layer declines to frozen crust gradually, and at this one-phase, drying layer becomes the obstruction of frozen crust distillation steam to external diffusion, and mass transfer effect is poor, extends drying time further; In addition, static drying it is also proposed very high requirement to flaggy temperature homogeneity.
Occurred a kind of dynamic freeze drying plant afterwards, the material being frozen into ice particle is in advance placed in cone drier by it, uses the agitator turning over materials of rotary actuation, and this cone drier is by cone wall heat drying material.Agitator stirs and applies mechanical force to material, and its friction, collision effect easily destroy the original body state of material; And material must be stacked into certain altitude and can be stirred by agitator in cone, this accumulation also hinders bottom distillation steam to external diffusion; In addition, cone drier gradation can only carry out drying.
In sum, how to improve the rate of drying of material in freeze drying, improve the heat and mass effect in this process, and how to avoid destroying the original body state of material in dry run, how to make freeze drying carry out continuously, become those skilled in the art's problem demanding prompt solution.
Summary of the invention
The technical problem to be solved in the present invention be how to make the drying stage heating material in freeze drying process fully, be heated evenly, make sublimation gases fast to external diffusion, improve drying efficiency, make dry run be able to continuously further; And do not destroy the original body state of material at drying stage.
In order to solve the problems of the technologies described above, technical scheme of the present invention is to provide a kind of spraying freeze-drier heat drying apparatus, it is characterized in that, comprising: for the formation of the urceolus container of confined space; Rotary dryer part for holding also dynamic heat material is located in urceolus container; Temperature controlling circulating system for controlling rotary dryer heating-up temperature is connected with rotary dryer.
Preferably, described urceolus container is closed container, and comprise urceolus, urceolus is provided with
For connecting other devices material to be dried added the feed pipe of described rotary dryer;
For to urceolus container vacuum-pumping and by the bleeding point of sublimation gases amount discharge container in dry run;
And for discharging the discharging opening of dried material, discharging opening has discharge valve.
Further, other devices that feed pipe connects can be spray chilling prilling granulator;
Further, feed pipe is provided with material inlet valve;
Preferably, described rotary dryer comprises
For holding the rotating cylinder of material;
For the rotating shaft that rotating cylinder is connected with motor;
For giving the motor of rotating shaft powered rotation.
Preferably, a part that is whole, rotating shaft for described rotating cylinder is located in described urceolus container, and another part of described rotating shaft is connected with described motor at described urceolus external container.
Further, described rotating shaft is connected by axle bed with between urceolus.
Preferably, be provided with at least one section of hollow jacket outside described rotating cylinder, in hollow jacket, through-flow body makes barrel heat up or cooling.
Further, described hollow jacket cross sectional shape is rectangle, to arrange around the described rotating cylinder form of outside a week; Hollow jacket is one or more snippets, arranged in a straight line along its rotation centerline direction; Every section of hollow jacket is equipped with fluid into and out of pipeline, and inner through-flow body circulation makes barrel heat up or cooling.
Preferably, described rotating cylinder inwall be provided with at least one section with rotating cylinder rotation centerline gathering sill at an angle, when rotating cylinder rotates forward, material be directed to groove band trend discharging opening direction migration; When rotating cylinder reversely rotates, material is brought back.
Preferably, described temperature controlling circulating system comprises the swivel joint, heat exchanger, electric heater and the fluid pump that connect to form a closed-loop path successively, logical circulation of fluid in closed-loop path.
More preferably, described swivel joint be side for being fixedly connected with, the device of electric current, for connecting revolving body and carrying fluid in any rotation direction of revolving body incessantly in continuous or discontinuous rotary motion, is carried incessantly in side.
Further, described rotating shaft inside is provided with the passage for fluid circulation, and this passage side is connected with one or more snippets hollow jacket on described rotating cylinder in described urceolus container; This passage opposite side is connected with described swivel joint outside described urceolus container.Swivel joint in continuous or discontinuous rotary motion, makes the fluid in described closed-loop path carry incessantly in described hollow jacket in any rotation direction of rotating shaft.
Further, described fluid is water or silicone oil.
Further, be provided with the detector for detecting material information in described rotating cylinder, described information can be temperature; Detector is connected with described swivel joint; Described swivel joint carries electric current in any rotation direction of rotating shaft in continuous or discontinuous rotary motion incessantly.
Present invention also offers a kind of spraying freeze-drier heating and drying method, it is characterized in that, first, be evacuated in urceolus container, by feed pipe, the material being frozen into ice particle in advance added in rotating cylinder; Dram temperature is controlled by temperature controlling circulating system; Rotating cylinder continues to rotate in dry run, and when it rotates forward, material rolls at cylinder bottom, contacts sufficiently uniformly be heated with barrel; Gathering sill rotates with rotating cylinder and is taken up from cylinder bottom by material, and material slides to discharging opening direction on gathering sill, and when gathering sill continues to rotate with rotating cylinder, material falls bottom revolving drum due to Action of Gravity Field; Make material move also uniformly dispersing with suitable speed to discharging opening by control feeding quantity and rotating cylinder rotating speed and, at cylinder bottom, do not form accumulation, sublimation gases is discharged fast from material surface and particulate interspaces; Material continues to roll by drum rotation and the progressively compound motion that moves forward, dry gradually in rotating cylinder, until before discharging bone dry.
Described suitable speed with material energy uniformly dispersing cylinder bottom, do not formed pile up and when mass transport to during discharging opening just in time bone dry be advisable, to realize continuous discharge.
The method can make material continuous print dried, also can be dry by the capable batch of rotating cylinder forward and reverse rotary cutting swap-in.And material main self gravitation that relies in drying device carries out rolling or moving, and its original body state is protected.
Device and method provided by the invention overcomes the deficiencies in the prior art, makes freeze-dried material dynamic overturn in rotating cylinder, abundant, thermally equivalent, and discharge sublimation gases fast, improve drying efficiency, shorten the drying time of material, make dry run be able to continuously simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of traditional freeze drying plant;
Schematic diagram during the spraying freeze-drier heat drying apparatus continuous drying material that Fig. 2 provides for embodiment 1;
The spraying freeze-drier heat drying apparatus that Fig. 3 provides for embodiment 2 in batches dried material time schematic diagram.
Detailed description of the invention
Below in conjunction with specific embodiment, set forth the present invention further.Should be understood that these embodiments are only not used in for illustration of the present invention to limit the scope of the invention.In addition should be understood that those skilled in the art can make various changes or modifications the present invention, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the present invention's instruction.
Embodiment 1
The structural representation of the spraying freeze-drier heat drying apparatus that Fig. 2 provides for the present embodiment, described spraying freeze-drier heat drying apparatus comprises: the closed container be made up of urceolus 1, feed pipe 2, bleeding point 3, discharging opening 4, and material is not by environmental pollution or contaminated environment for the formation of confined space and in guard space; By rotating cylinder 11, rotating shaft 12, motor 13, and the rotary dryer of at least one axle bed composition, rotating cylinder 11 is for holding and dried material, and rotating shaft 12 is for passing to rotating cylinder 11 by motor 13 rotary power; The temperature controlling circulating system be made up of swivel joint 21, heat exchanger 22, electric heater 23, fluid pump 24.
At least one section of hollow jacket 15 is provided with outside rotating cylinder 11, every section of hollow jacket 15 is equipped with fluid into and out of pipeline, the fluid of at least one section of hollow jacket 15 is into and out of the expanding channels of pipeline and rotating shaft 12 inside, and a part that is whole, rotating shaft 12 for rotating cylinder 11 is arranged in closed container; Rotating shaft 12 is connected by axle bed with urceolus 1; Another part of rotating shaft 12 is connected with motor 13 outside closed container, and the inner passage of this part is connected with swivel joint 21; Swivel joint 21 be side for being fixedly connected with, side is used for connection rotating shaft 12 and carries fluid incessantly in the rotating shaft 12 arbitrarily continuous or discontinuous rotary motion of rotation direction, carries the device of electric current incessantly.Passing into fluid in temperature controlling circulating system is silicone oil, and silicone oil is heated by electric heater 23 and regulates temperature by heat exchanger 22 and undertaken circulating by fluid pump 24 makes chuck 15 barrel heat up or cooling.
Described urceolus 1 is evacuated in container by bleeding point 3 before device carries out drying, and feed pipe 2 to be connected with other devices by valve and to be added in rotating cylinder 11 by ice particle good for pre-freeze.Rotating cylinder 11 continues to rotate in dry run, and material rolls at cylinder bottom, contacts sufficiently uniformly be heated with barrel; Gathering sill 14 rotates with rotating cylinder and is taken up from cylinder bottom by material, and material is slided to discharging opening 4 direction on gathering sill by Action of Gravity Field, and when gathering sill continues to rotate with rotating cylinder, material falls bottom revolving drum by Action of Gravity Field; Make material move also uniformly dispersing with suitable speed to discharging opening 4 by control feed pipe 2 feeding quantity and motor 13 rotating speed and, at cylinder bottom, do not form accumulation, sublimation gases is discharged fast from material surface and particulate interspaces, and is taken away by bleeding point 3; Material continues rolling by drum rotation and progressively to the compound motion of discharging opening migration, drying gradually in rotating cylinder, until bone dry falls into discharging opening 4 transfer to rewinding tank or other devices by outlet valve.Described heat drying apparatus continuous drying material.
Embodiment 2
The structural representation of the spraying freeze-drier heat drying apparatus that Fig. 3 provides for the present embodiment, described spraying freeze-drier heat drying apparatus is similar to embodiment 1, and difference is: described feed pipe 2 to be connected with other devices by valve and to be added in rotating cylinder 11 by ice particle good for a certain amount of pre-freeze.In reinforced process, rotating cylinder 11 rotates, and material rolls at cylinder bottom, and now temperature controlling circulating system does not heat; Reinforced complete, temperature controlling circulating system starts heating, and rotating cylinder 11 reverses after driving rotating forward a period of time by motor 13, switches through several times direction of rotation, and material is dry gradually in rotating cylinder; Discharged until the material bone dry rotating cylinder that this time adds rotates forward continuously.Described heat drying apparatus dried material in batches.
Claims (10)
1. a spraying freeze-drier heat drying apparatus, is characterized in that: comprising: for the formation of the urceolus container of confined space; Rotary dryer part for holding also dynamic heat material is located in urceolus container; Temperature controlling circulating system for controlling rotary dryer heating-up temperature is connected with rotary dryer.
2. a kind of spraying freeze-drier heat drying apparatus as claimed in claim 1, it is characterized in that: described urceolus container is closed container, comprise urceolus (1), urceolus (1) is provided with
For material to be dried being added the feed pipe (2) of described rotary dryer;
For vacuumizing and discharged by sublimation gases in dry run the bleeding point (3) of urceolus (1) to urceolus (1) inside;
And the discharging opening (4) for discharging dried material.
3. a kind of spraying freeze-drier heat drying apparatus as claimed in claim 2, is characterized in that: described rotary dryer comprises
For holding the rotating cylinder (11) of material;
For the rotating shaft (12) that rotating cylinder (11) is connected with motor (13);
For giving the described motor (13) of described rotating shaft (12) powered rotation.
4. a kind of spraying freeze-drier heat drying apparatus as claimed in claim 3, it is characterized in that: a part that is whole, rotating shaft (12) for described rotating cylinder (11) is located in described urceolus container, another part of described rotating shaft (12) is connected with described motor (13) outside described urceolus container, is connected between described rotating shaft (12) with urceolus (1) by axle bed.
5. a kind of spraying freeze-drier heat drying apparatus as claimed in claim 3, it is characterized in that: described rotating cylinder (11) outside is provided with at least one section of hollow jacket (15), in hollow jacket (15), through-flow body makes barrel heat up or cooling.
6. a kind of spraying freeze-drier heat drying apparatus as claimed in claim 5, it is characterized in that: described rotating cylinder (11) inwall be provided with at least one section with rotating cylinder rotation centerline gathering sill at an angle (14), when rotating cylinder (11) rotates forward, material is directed to the trend discharging opening direction migration of groove (14) band; When rotating cylinder (11) reversely rotates, material is brought back.
7. a kind of spraying freeze-drier heat drying apparatus as claimed in claim 6, it is characterized in that: described temperature controlling circulating system comprises the swivel joint (21), heat exchanger (22), electric heater (23) and the fluid pump (24) that connect to form a closed-loop path successively, logical circulation of fluid in closed-loop path.
8. a kind of spraying freeze-drier heat drying apparatus as claimed in claim 7, it is characterized in that: described rotating shaft (12) inside is provided with the passage for fluid circulation, and this passage side is connected with one or more snippets hollow jacket (15) on described rotating cylinder (11) in described urceolus container; This passage opposite side is connected with described swivel joint (21) outside described urceolus container; Described swivel joint (21), in rotating shaft (12) the arbitrarily continuous or discontinuous rotary motion of rotation direction, makes the fluid in described closed-loop path carry incessantly in described hollow jacket (15).
9. a kind of spraying freeze-drier heat drying apparatus as claimed in claim 7 or 8, it is characterized in that: in described rotating cylinder (11), be provided with the detector for detecting material information, described detector is connected with described swivel joint (21), and described swivel joint (21) carries electric current incessantly in rotating shaft (12) the arbitrarily continuous or discontinuous rotary motion of rotation direction.
10. a spraying freeze-drier heating and drying method, adopt the spraying freeze-drier heat drying apparatus as described in any one of claim 6 ~ 9, it is characterized in that: first, be evacuated in urceolus container, by feed pipe (2), the material being frozen into ice particle in advance added in rotating cylinder (11); Rotating cylinder (11) temperature is controlled by temperature controlling circulating system; Rotating cylinder (11) continues to rotate in dry run, and material, in the rolling of rotating cylinder (11) bottom, contacts with barrel sufficiently uniformly and is heated; Gathering sill (14) rotates with rotating cylinder (11) and is taken up from rotating cylinder (11) bottom by material, material slides to discharging opening (4) direction due to Action of Gravity Field on gathering sill (14), when gathering sill (14) with rotating cylinder continue rotate, material due to Action of Gravity Field fall revolving drum (11) bottom; By control feed pipe feeding quantity and motor (13) rotating speed make material with suitable speed to discharging opening (4) move also uniformly dispersing bottom rotating cylinder (11), do not form accumulation, sublimation gases is discharged fast from material surface and particulate interspaces, and is taken away by bleeding point (3); The compound motion that material is continued rolling by rotating cylinder (11) rotation and progressively moved forward, dry gradually in rotating cylinder (11), until bone dry is also discharged by discharging opening (4).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510788984.9A CN105300063B (en) | 2015-11-17 | 2015-11-17 | One kind spraying freeze-drier heat drying apparatus and method |
| PCT/CN2015/098806 WO2017084161A1 (en) | 2015-11-17 | 2015-12-24 | Heating and drying means and method for spray freeze drying apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510788984.9A CN105300063B (en) | 2015-11-17 | 2015-11-17 | One kind spraying freeze-drier heat drying apparatus and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105300063A true CN105300063A (en) | 2016-02-03 |
| CN105300063B CN105300063B (en) | 2018-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510788984.9A Active CN105300063B (en) | 2015-11-17 | 2015-11-17 | One kind spraying freeze-drier heat drying apparatus and method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105300063B (en) |
| WO (1) | WO2017084161A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107906888A (en) * | 2017-11-27 | 2018-04-13 | 刘洋 | A kind of tea leaf drier |
| CN108885057A (en) * | 2016-04-14 | 2018-11-23 | J·德拉沃 | Freeze-drying method and device |
| CN109529388A (en) * | 2018-12-28 | 2019-03-29 | 湖北民族学院 | One Plant Extracts drying device and drying means |
| CN115490218A (en) * | 2022-09-26 | 2022-12-20 | 临沂市春明化工有限公司 | Temperature control system for preparing phosphorous acid |
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| CN107940952B (en) * | 2017-12-06 | 2024-01-09 | 重庆翼耀科技咨询有限公司 | Baking room with rotary baking tray |
| CN109405469B (en) * | 2018-12-11 | 2023-09-12 | 郑州市同鼎机械设备有限公司 | Sand dryer with heavy hammer air locking sand outlet bin |
| CN113499348A (en) * | 2021-07-05 | 2021-10-15 | 江西国妙堂生物医药科技有限公司 | Bear gall sugar-free buccal tablet and preparation method and application thereof |
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| GB385670A (en) * | 1930-09-25 | 1933-01-05 | Augustinus Edvard Jonsson | Improvements in or relating to vacuum drying apparatus |
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| CN108885057A (en) * | 2016-04-14 | 2018-11-23 | J·德拉沃 | Freeze-drying method and device |
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| CN109529388A (en) * | 2018-12-28 | 2019-03-29 | 湖北民族学院 | One Plant Extracts drying device and drying means |
| CN115490218A (en) * | 2022-09-26 | 2022-12-20 | 临沂市春明化工有限公司 | Temperature control system for preparing phosphorous acid |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105300063B (en) | 2018-03-06 |
| WO2017084161A1 (en) | 2017-05-26 |
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Address after: 201109 Building 4, No. 1509, Duhui Road, Minhang District, Shanghai Patentee after: Dongfulong Technology Group Co.,Ltd. Address before: 201109 Building 4, No. 1509, Duhui Road, Minhang District, Shanghai Patentee before: SHANGHAI TOFFLON SCIENCE AND TECHNOLOGY Co.,Ltd. |