CN210399716U - Freezing type drying machine - Google Patents

Freezing type drying machine Download PDF

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Publication number
CN210399716U
CN210399716U CN201921016806.4U CN201921016806U CN210399716U CN 210399716 U CN210399716 U CN 210399716U CN 201921016806 U CN201921016806 U CN 201921016806U CN 210399716 U CN210399716 U CN 210399716U
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China
Prior art keywords
drying chamber
freezer
chamber
drying
freezing
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CN201921016806.4U
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Chinese (zh)
Inventor
邢海鹏
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Tianjin Chunfa Bio Technology Group Co Ltd
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Tianjin Chunfa Bio Technology Group Co Ltd
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Abstract

The utility model provides a freezing dryer, include from last to freezing room, surge chamber and the drying chamber that sets gradually extremely down, the outside of freezing room is equipped with the refrigerating unit who is used for producing air conditioning, refrigerating unit with the intercommunication has the air conditioning pipeline that is used for carrying the air conditioning that refrigerating unit produced to the freezing indoor between the freezing room, the top of freezing room is connected with the air pump, the surface of drying chamber is equipped with and is used for providing the required thermal heating device of drying. The utility model discloses separately go on freezing and drying, the energy saving, and freeze-drying's time is short, has improved work efficiency, reduce cost. In addition, the arrangement of the buffer chamber separates the freezing chamber from the drying chamber, so that the heat exchange between the freezing chamber and the drying chamber is reduced, and the energy is further saved.

Description

Freezing type drying machine
Technical Field
The utility model belongs to the technical field of drying equipment, especially, relate to refrigeration dryer.
Background
In the production process of the essence and flavor, a freeze drying technology is often used, wherein the freeze drying technology is a drying method for freezing a water-containing material into a solid, and dehydrating the material at low temperature by utilizing the sublimation property of water under the condition of low temperature and low pressure to achieve the aim of drying. The freeze drying technology is applied to the essence and spice industry as a high and new technology, effectively maintains the original color, fragrance, taste, nutrient substances and the like of the materials, and has a promoting effect on the development of the essence and spice food industry.
The current chinese patent that publication number is CN208968182U discloses a vacuum freeze drying device, including dry box, vacuum apparatus, refrigerating plant, heating device and hydrofuge device, be provided with supporter and heating cooling plate in the dry box, the supporter includes base, pivot and puts the thing dish, pivot and base swivelling joint, it contains the multilayer to put the thing dish, the horizontal equipartition in the pivot, the quantity of heating cooling plate with put the thing dish the same, and each heating cooling plate level respectively sets up in respectively putting thing dish top, the inside heating pipe and the refrigeration pipe of evenly being provided with of heating cooling plate, the heating pipe is connected with heating device, the refrigeration pipe is connected with refrigerating plant.
When the device is used, the material is cooled to below 0 ℃ through the refrigerating pipe to be frozen, and then the material is heated to above 0 ℃ through the heating pipe to be heated and dried. Because freezing and drying process all go on in the drying cabinet, the circulation of cooling and intensification process is carried out constantly in the drying cabinet, consequently not only can consume a large amount of energy when adopting above-mentioned device to carry out freeze-drying, and drying cost is high, and freeze-drying's inefficiency is unfavorable for freeze-drying technique to be applied to large-scale industrialized production moreover.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a freeze dryer to not only can consume a large amount of energy when solving prior art and carrying out freeze-drying, the drying cost is high, freeze-drying's inefficiency problem moreover.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
the freezing type dryer comprises a freezing chamber, a buffer chamber and a drying chamber which are arranged from top to bottom in sequence, a first clapboard is arranged between the freezing chamber and the buffer chamber, a second clapboard is arranged between the buffer chamber and the drying chamber, the first clapboard and the second clapboard are conical with big top and small bottom, a material passing channel is arranged in the middle of the first clapboard and the second clapboard, an electromagnetic valve is arranged in the material passing channel, a refrigerating unit for producing cold air is arranged outside the freezing chamber, a cold air pipeline for conveying the cold air produced by the refrigerating unit into the freezing chamber is communicated between the refrigerating unit and the freezing chamber, the top end of the freezing chamber is connected with an air pump, the outer surface of the drying chamber is provided with a heating device for providing heat required by drying, and a vacuum pump is arranged on one side of the drying chamber, and the input end of the vacuum pump is communicated with the drying chamber.
Furthermore, the heating device is a disc heating pipe with hot water flowing inside, the water inlet end of the disc heating pipe is positioned at the lower part of the drying chamber, and the water outlet end of the disc heating pipe is positioned at the upper part of the drying chamber.
Further, the freezer with all be equipped with agitating unit in the drying chamber, agitating unit includes the (mixing) shaft of vertical setting, the surface of (mixing) shaft is equipped with a plurality of stirring leaves along its length direction interval, the freezer top is fixed with agitating unit pivoted motor in the drive freezing chamber, the drying chamber bottom is fixed with the rotatory motor of agitating unit in the drive drying chamber, the output shaft of the motor on freezer top passes the top and the (mixing) shaft fixed connection of freezer, the output shaft of the motor of drying chamber bottom passes the bottom and the (mixing) shaft fixed connection of drying chamber.
Further, the bottom of freezer is equipped with the scraper blade, the scraper blade is laminated with the upper surface of first baffle mutually, the bottom of scraper blade and freezer indoor agitating unit's (mixing) shaft fixed connection.
Further, the top of freezer is equipped with the loading hopper, the bottom of drying chamber is equipped with row's material pipe, the bottom of loading hopper all is equipped with the solenoid valve with row material pipe top.
Furthermore, the inner wall of the freezing chamber is wrapped with a layer of heat insulation board.
Furthermore, temperature sensors are arranged in the freezing chamber and the drying chamber.
Compared with the prior art, the freezing type dryer has the following advantages:
(1) the utility model discloses be equipped with freezer, surge chamber and drying chamber, separately go on freezing and drying, the energy saving, and freeze-drying's time is short, has improved work efficiency, reduce cost. In addition, the buffer chamber is arranged between the freezing chamber and the drying chamber, so that the heat exchange between the freezing chamber and the drying chamber is reduced, and the energy is further saved.
(2) The utility model discloses agitating unit who sets up in freezer and drying chamber can stir the material for the material is big with the area of contact of air conditioning or steam, and then makes freezing and heating even, improves freeze-drying's effect.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic view of an overall structure of a freeze dryer according to an embodiment of the present invention.
Description of reference numerals:
1. a freezing chamber; 2. a buffer chamber; 3. a drying chamber; 4. a support leg; 5. a first separator; 6. a second separator; 7. an electromagnetic valve; 8. a refrigeration unit; 9. a cold air duct; 10. a vacuum pump; 11. a disc-type heating pipe; 12. a stirring shaft; 13. stirring blades; 14. a motor; 15. a squeegee; 16. a hopper; 17. a discharge pipe; 18. a temperature sensor; 19. an air pump.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, 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 meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1, the freeze dryer includes a freezing chamber 1, a buffer chamber 2, and a drying chamber 3, which are sequentially disposed from top to bottom. The bottom of drying chamber 3 is equipped with supporting leg 4, be equipped with first baffle 5 between freezer 1 and the buffer chamber 2, be equipped with second baffle 6 between buffer chamber 2 and the drying chamber 3. The first partition plate 5 and the second partition plate 6 are conical, the upper part is larger than the lower part, a material passing channel (not shown in the figure) is formed in the middle of the first partition plate 5 and the second partition plate 6, and an electromagnetic valve 7 is arranged in the material passing channel.
The outside of freezer 1 is equipped with refrigerating unit 8 that is used for producing air conditioning, refrigerating unit 8 with the intercommunication has the air conditioning pipeline 9 that is used for carrying the air conditioning that refrigerating unit 8 produced to freezer 1 between the freezer 1, the top of freezer 1 is connected with air pump 19, the surface of drying chamber 3 is equipped with and is used for providing the required thermal heating device of drying, one side of drying chamber 3 is equipped with vacuum pump 10, vacuum pump 10's input and drying chamber 3 intercommunication.
The heating device is a disc heating pipe 11 with hot water flowing inside, the water inlet end of the disc heating pipe 11 is positioned at the lower part of the drying chamber 3, and the water outlet end is positioned at the upper part of the drying chamber 3.
The freezer 1 with all be equipped with agitating unit in the drying chamber 3, agitating unit includes the (mixing) shaft 12 of vertical setting, the surface of (mixing) shaft 12 is equipped with a plurality of stirring leaves 13 along its length direction interval. The utility model discloses a refrigerator, including freezer 1, drying chamber 3, stirring shaft 12, stirring device pivoted motor 14 in the freezer 1 top is fixed with drive freezer 1, the 3 bottom mounting of drying chamber has the rotatory motor 14 of stirring device in the drive drying chamber 3, the output shaft of the motor 14 on 1 top of freezer passes the top and the stirring shaft 1 fixed connection of freezer, the output shaft of the motor 14 of 3 bottoms of drying chamber passes the bottom and the stirring shaft 12 fixed connection of drying chamber 3.
For preventing the material adhesion in the bottom of freezer 1, the bottom of freezer 1 is equipped with scraper blade 15, the bottom of scraper blade 15 is laminated with the upper surface of first baffle 5 mutually, scraper blade 15 and 1 interior agitating unit's of freezer (mixing) shaft 12 fixed connection.
The top of freezer 1 is equipped with and is used for reinforced loading hopper 16, the bottom of drying chamber 3 is equipped with row material pipe 17, and the material that has dried is arranged the material pipe 17 and is discharged away. The bottom of the charging hopper 16 and the top of the discharging pipe 17 are both provided with electromagnetic valves 7.
The inner wall of the freezing chamber 1 is wrapped with a layer of insulation board (not shown in the figure), and the insulation board is arranged to slow down the loss of cold energy during freezing.
Temperature sensors 18 are arranged in the freezing chamber 1 and the drying chamber 3, and the temperatures in the freezing chamber 1 and the drying chamber 3 are monitored in real time through the temperature sensors 18.
The utility model discloses a theory of operation does: firstly, the electromagnetic valve 7 at the bottom of the feeding hopper 16 is opened, materials are added into the freezing chamber 1, and after the materials are added, the electromagnetic valve 7 at the bottom of the feeding hopper 16 is closed. Then start air pump 19, air pump 19 evacuates the inside air of drying chamber 3, the switch on, refrigerating unit 8 begins to refrigerate, the air conditioning of making enters into drying chamber 3 inside, simultaneously, start motor 14 on freezing room 1 top, the agitating unit rotation in freezing room 1 stirs the material for material and air conditioning area of contact is big, freezes evenly.
After the freezing is finished, the electromagnetic valve 7 of the first partition plate 5 is opened, and after all the materials enter the buffer cavity, the electromagnetic valve 7 of the first partition plate 5 is closed. Then the electromagnetic valve 7 of the second clapboard 6 is opened, after the materials completely enter the drying chamber 3, the electromagnetic valve 7 of the second clapboard 6 is closed, the hot water in the disc-type heating pipe 11 raises the temperature of the materials to heat and dry the materials, meanwhile, the motor 14 at the bottom of the drying chamber 3 is started, the stirring device in the drying chamber 3 rotates to stir the materials, so that the contact area between the materials and the hot air is large, and the materials are heated uniformly. Finally, the vacuum pump 10 is started to perform vacuum decompression, and the air containing water vapor is pumped away, so that the whole freeze drying process is completed.
The utility model discloses separately go on freezing and drying, the energy saving, and freeze-drying's time is short, has improved work efficiency, reduce cost. In addition, the setting of buffer chamber 2 separates freezer 1 and drying chamber 3, reduces the heat exchange between freezer 1 and the drying chamber 3, and further the energy saving, the material can absorb partly external heat when in buffer chamber 2 moreover for its temperature is little range to rise, thereby is favorable to the drying in drying chamber 3.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. Freezing formula desiccator, its characterized in that: including from last freezer (1), surge chamber (2) and the drying chamber (3) that sets gradually extremely down, be equipped with first baffle (5) between freezer (1) and surge chamber (2), be equipped with second baffle (6) between surge chamber (2) and drying chamber (3), first baffle (5) and second baffle (6) all are big-end-up's conical shape, the intermediate position of first baffle (5) and second baffle (6) has all been seted up the punishment in advance passageway, be equipped with solenoid valve (7) in the punishment in advance passageway, the outside of freezer (1) is equipped with refrigerating unit (8) that are used for producing air conditioning, refrigerating unit (8) with the intercommunication has between freezer (1) and is used for carrying the air conditioning pipeline (9) in freezer (1) with the air conditioning that refrigerating unit (8) produced, the top of freezer (1) is connected with air pump (19), the outer surface of the drying chamber (3) is provided with a heating device for providing heat required by drying, one side of the drying chamber (3) is provided with a vacuum pump (10), and the input end of the vacuum pump (10) is communicated with the drying chamber (3).
2. A freeze dryer as claimed in claim 1, wherein: the heating device is a disc heating pipe (11) with hot water flowing inside, the water inlet end of the disc heating pipe (11) is positioned at the lower part of the drying chamber (3), and the water outlet end is positioned at the upper part of the drying chamber (3).
3. A freeze dryer according to claim 1 or 2 wherein: freezer (1) with all be equipped with agitating unit in drying chamber (3), agitating unit includes (mixing) shaft (12) of vertical setting, the surface of (mixing) shaft (12) is equipped with a plurality of stirring leaves (13) along its length direction interval, freezer (1) top is fixed with agitating unit pivoted motor (14) in the drive freezer (1), drying chamber (3) bottom mounting has motor (14) of the agitating unit rotation in the drive drying chamber (3), the output shaft of motor (14) on freezer (1) top passes the top and (mixing) shaft (12) fixed connection of freezer (1), the output shaft of motor (14) of drying chamber (3) bottom passes the bottom and (mixing) shaft (12) fixed connection of drying chamber (3).
4. A freeze dryer as claimed in claim 3, wherein: the bottom of freezer (1) is equipped with scraper blade (15), scraper blade (15) laminate mutually with the upper surface of first baffle (5), the bottom of scraper blade (15) and in freezer (1) agitating unit's (mixing) shaft (12) fixed connection.
5. A freeze dryer according to claim 1 or 2 wherein: the top of freezer (1) is equipped with loading hopper (16), the bottom of drying chamber (3) is equipped with row material pipe (17), the bottom of loading hopper (16) all is equipped with solenoid valve (7) with row material pipe (17) top.
6. A freeze dryer according to claim 1 or 2 wherein: the inner wall of the freezing chamber (1) is wrapped with a layer of heat insulation board.
7. A freeze dryer according to claim 1 or 2 wherein: and temperature sensors (18) are arranged in the freezing chamber (1) and the drying chamber (3).
CN201921016806.4U 2019-07-02 2019-07-02 Freezing type drying machine Active CN210399716U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921016806.4U CN210399716U (en) 2019-07-02 2019-07-02 Freezing type drying machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921016806.4U CN210399716U (en) 2019-07-02 2019-07-02 Freezing type drying machine

Publications (1)

Publication Number Publication Date
CN210399716U true CN210399716U (en) 2020-04-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921016806.4U Active CN210399716U (en) 2019-07-02 2019-07-02 Freezing type drying machine

Country Status (1)

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CN (1) CN210399716U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112158470A (en) * 2020-11-30 2021-01-01 新三和(烟台)食品有限责任公司 Food storage device with drying function
WO2022062603A1 (en) * 2020-09-25 2022-03-31 苏州纳创佳环保科技工程有限公司 Mofs material freeze dryer convenient for discharging

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022062603A1 (en) * 2020-09-25 2022-03-31 苏州纳创佳环保科技工程有限公司 Mofs material freeze dryer convenient for discharging
CN112158470A (en) * 2020-11-30 2021-01-01 新三和(烟台)食品有限责任公司 Food storage device with drying function
CN112158470B (en) * 2020-11-30 2021-02-09 新三和(烟台)食品有限责任公司 Food storage device with drying function

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