CN115615146A - Freeze-drying equipment for continuous processing - Google Patents
Freeze-drying equipment for continuous processing Download PDFInfo
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- CN115615146A CN115615146A CN202211404752.5A CN202211404752A CN115615146A CN 115615146 A CN115615146 A CN 115615146A CN 202211404752 A CN202211404752 A CN 202211404752A CN 115615146 A CN115615146 A CN 115615146A
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- 238000004108 freeze drying Methods 0.000 title claims abstract description 31
- 239000000463 material Substances 0.000 claims abstract description 82
- 238000010438 heat treatment Methods 0.000 claims abstract description 81
- 238000001035 drying Methods 0.000 claims abstract description 66
- 230000007246 mechanism Effects 0.000 claims abstract description 53
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 238000005057 refrigeration Methods 0.000 claims abstract description 16
- 230000001174 ascending effect Effects 0.000 claims description 18
- 238000007710 freezing Methods 0.000 claims description 17
- 230000008014 freezing Effects 0.000 claims description 17
- 238000009826 distribution Methods 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 238000010924 continuous production Methods 0.000 claims 1
- 230000007704 transition Effects 0.000 description 47
- 238000007789 sealing Methods 0.000 description 20
- 238000000034 method Methods 0.000 description 18
- 230000008569 process Effects 0.000 description 16
- 238000005086 pumping Methods 0.000 description 12
- 238000007599 discharging Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 238000004891 communication Methods 0.000 description 6
- 230000000630 rising effect Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- RIRXDDRGHVUXNJ-UHFFFAOYSA-N [Cu].[P] Chemical compound [Cu].[P] RIRXDDRGHVUXNJ-UHFFFAOYSA-N 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000005496 eutectics Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000009777 vacuum freeze-drying Methods 0.000 description 1
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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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B15/00—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form
- F26B15/10—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions
- F26B15/20—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all vertical or steeply inclined
- F26B15/205—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all vertical or steeply inclined the objects or batches of materials being carried by a vertical stack of foraminous trays or shelves either moving through a shaft or forming, with their edges, a moving shaft, the shaft being supplied with drying air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B15/00—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form
- F26B15/10—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions
- F26B15/20—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all vertical or steeply inclined
- F26B15/22—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all vertical or steeply inclined the objects or batches of materials being carried by endless belts the objects or batches of material being carried by trays or holders supported by endless belts or chains
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/10—Heating arrangements using tubes or passages containing heated fluids, e.g. acting as radiative elements; Closed-loop systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/02—Applications of driving mechanisms, not covered by another subclass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/06—Chambers, containers, or receptacles
- F26B25/14—Chambers, containers, receptacles of simple construction
- F26B25/18—Chambers, containers, receptacles of simple construction mainly open, e.g. dish, tray, pan, rack
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Sustainable Development (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a freeze-drying device for continuous processing, which comprises: the drying device comprises a drying bin, a plurality of layers of heating plates are arranged in the drying bin, each heating plate extends along the length direction of the drying bin, and a hot water circulation channel is arranged in each heating plate; the hot water circulating system is communicated with the hot water circulating channel of the heating plate; the input end of the material conveying belt is communicated with the material inlet of the drying bin, the output end of the material conveying belt is communicated with the material outlet of the drying bin, and the material conveying belt is provided with refrigeration equipment; the tray transfer mechanism is arranged in the drying bin and used for transferring a tray from a material inlet of the drying bin to a material outlet of the drying bin along the length direction of the heating plate. The invention can improve the automation degree of continuous processing of the freeze-drying equipment.
Description
Technical Field
The invention relates to the technical field of freeze-drying equipment, in particular to continuously processing freeze-drying equipment.
Background
The freeze-drying equipment is also called vacuum freeze-drying equipment, which is characterized in that materials such as food, medicines and the like are frozen to a temperature below the eutectic point temperature of the materials, so that water in the materials is changed into solid ice, then the ice is directly sublimated into water vapor in a vacuum environment, and the water vapor is condensed by a water catcher to finally dry the articles. In the production process, the bin is kept in a completely sealed state, and only after production is finished, the bin door is opened to carry out feeding and discharging. The continuous freeze-drying is characterized in that the production method is 24-hour uninterrupted production, and the continuous freeze-drying is more suitable for mass production under the condition that the product is single and the raw materials are sufficient, the publication number is CN217330430U, and the unilateral loading and unloading continuous processing type freeze-drying equipment is disclosed, but the freeze-drying equipment needs to be provided with a freezing bin, a tray filled with materials needs to be placed into the freezing bin firstly for freezing, and then the tray after freezing is input into a dry bin body, so that the continuous freeze-drying equipment is not only not beneficial to automatic continuous processing, but also has wide occupied area and is not beneficial to installation.
Disclosure of Invention
The invention provides a continuous processing freeze-drying device which can improve the automation degree of continuous processing of the freeze-drying device.
In order to solve the above technical problems, the present invention provides a continuous processing lyophilization apparatus, comprising:
the drying device comprises a drying bin, a plurality of layers of heating plates are arranged in the drying bin, each heating plate extends along the length direction of the drying bin, and a hot water circulation channel is arranged in each heating plate; (ii) a
The hot water circulating system is communicated with the hot water circulating channel of the heating plate;
the input end of the material conveying belt is communicated with the material inlet of the drying bin, the output end of the material conveying belt is communicated with the material outlet of the drying bin, and the material conveying belt is provided with refrigeration equipment;
the tray transferring mechanism is arranged inside the drying bin and used for transferring the tray from a material inlet of the drying bin to a material outlet of the drying bin along the length direction of the heating plate.
Preferably, the heating plate has a heat conducting fin on its upper surface, which contacts with the bottom of the tray.
As a preferred embodiment of the above technical solution, support frames are disposed on two sides of the heating plate, the support frames are used for supporting the tray, a space between the support frames is a heating region, the heat-conducting fins are disposed on the upper surface of the heating plate and extend toward a direction close to the tray, and the heat-conducting fins are located in the heating region.
Preferably, in the above technical solution, the heat conducting sheet is an elastic metal sheet, and the heat conducting sheet is in elastic contact with the bottom of the tray.
Preferably, in the above aspect, the distribution density of the heat-conducting fins near the middle of the heating region is greater than the distribution density of the heat-conducting fins on both sides of the heating region.
Preferably, in the above technical solution, the heat conducting fins include a first heat conducting fin and a second heat conducting fin, a width of the first heat conducting fin is greater than a width of the second heat conducting fin, the first heat conducting fin is located at a middle position close to the heating region, and the second heat conducting fin is located at two side positions of the heating region.
Preferably, in the above-described aspect, the refrigeration facility is a vertical transport refrigeration facility.
As above-mentioned technical scheme's preferred, refrigeration plant includes transfer gantry, circulation working part, tray support and heat exchanger, transfer gantry sets up along vertical direction, the activity of circulation working part sets up on the transfer gantry, circulation working part has ascending section and descending segment at least, circulation working part is in under the active condition, the vertical activity up of ascending section just the descending segment is vertical to move down, tray support is used for placing the tray, tray support's quantity is a plurality of, and is a plurality of tray support install in ascending section and descending segment, heat exchanger with transfer gantry corresponds and follows vertical direction setting.
Preferably, in the above technical solution, the circulating operation part is a chain, the vertical transportation freezing apparatus further includes a first sprocket and a second sprocket, the chain is tensioned on the first sprocket and the second sprocket, the first sprocket is located above the second sprocket so that the chain is arranged in a vertical direction, and the plurality of tray supports are uniformly mounted on the chain.
Preferably, the chain includes a first chain and a second chain, the number of the first chain wheels and the number of the second chain wheels are two, the first chain wheels are coaxially mounted on the first chain wheel shaft, a set distance is provided between the first chain wheels, the second chain wheels are coaxially mounted on the second chain wheel shaft, the first chain is tensioned on the first chain wheel and the second chain wheel on one side, the second chain is tensioned on the first chain wheel and the second chain wheel on the other side, the tray support is arranged on the inner sides of the first chain and the second chain, and the tray support is connected with the first chain and the second chain.
The invention provides a continuous processing freeze-drying device, which comprises a drying chamber, a hot water circulating system, a material conveying belt and a tray transferring mechanism, wherein a plurality of layers of heating plates are arranged in the drying chamber, each heating plate extends along the length direction of the drying chamber, a hot water circulating channel is arranged in each heating plate, the hot water circulating system is communicated with the hot water circulating channel of each heating plate, when the continuous processing freeze-drying device works, a tray filled with materials is firstly conveyed to the freezing equipment by the material conveying belt due to the arrangement of the freezing equipment on the material conveying belt, then is input to a material inlet of the drying chamber from an input end of the material conveying belt, and is transferred to a material outlet of the drying chamber from the material inlet of the drying chamber along the length direction of the heating plates by the tray transferring mechanism.
The above description is only an overview of the technical solutions of the present invention, and the present invention can be implemented in accordance with the content of the description so as to make the technical means of the present invention more clearly understood, and the above and other objects, features, and advantages of the present invention will be more clearly understood.
Drawings
FIG. 1 is a schematic view showing a connection structure of a continuous processing freeze-drying apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic perspective view of a freezing apparatus according to an embodiment of the present invention;
FIG. 3 is a schematic view showing the installation structure of the endless working element in the embodiment of the present invention;
FIG. 4 is a schematic view showing the installation structure of the endless working element in the embodiment of the present invention;
FIG. 5 is a front view showing a schematic perspective view of a freezing apparatus in an embodiment of the present invention;
FIG. 6 is a left side view showing a perspective view of a freezing apparatus in an embodiment of the present invention;
FIG. 7 shows a schematic view of the direction B-B in FIG. 6;
FIG. 8 shows an enlarged schematic view at A in FIG. 7;
fig. 9 is a schematic perspective view showing a structure of mounting a heat conductive sheet in an embodiment of the invention;
FIG. 10 is a schematic view showing a planar mounting structure of a heat conductive sheet in an embodiment of the invention;
FIG. 11 is a schematic perspective view showing a heat conductive sheet according to an embodiment of the present invention;
FIG. 12 is a top view of a heat conductive sheet in an embodiment of the present invention;
FIG. 13 is a left side view showing a heat conductive sheet in the embodiment of the invention;
FIG. 14 is a schematic view showing the structure of a continuous feeding mechanism in the embodiment of the present invention;
FIG. 15 shows a schematic view of a connection structure of a transition bin in an embodiment of the invention;
FIG. 16 shows a cross-sectional view of a transition bin in an embodiment of the invention;
in the figure: 1. a drying bin; 2. a refrigeration device; 3. a continuous feeding mechanism; 4. a hot water circulation system; 5. an input end; 6. an output end; 7. a material conveying belt; 10. a circulating working member; 20. a fan unit; 30. a fan bracket; 40. a blanking mechanism; 50. a feeding mechanism; 60. a heat exchanger; 70. a tray; 80. a pushing mechanism; 100. a rising section; 200. a descending section; 101. a delivery stent; 102. a first sprocket; 103. a second sprocket; 104. a drive motor; 105. a first sprocket shaft; 106. a first chain; 107. a second chain; 108. a tray transition support; 110. a tray support; 111. a second sprocket shaft; 201. a motor; 202. a connecting shaft; 203. a fan blade; 204. a bearing seat; 301. a crosspiece; 801. a push cylinder; 802. a cylinder; 803. a guide bar; 804. a fixed bracket; 805. a transverse pushing rod; 210. heating plates; 220. a support frame; 240. a guide runner; 250. supporting the rotating wheel; 260. a lead-in mechanism; 270. a heating zone; 280. a heat conductive sheet; 290. a sliding groove; 2100. heating the soleplate; 2110. bending sections; 2120. an arc-shaped connecting section; 2801. a first thermally conductive sheet; 2802. a second heat-conducting fin; 1001. a notch; 310. a transition bin; 320. an opening and closing mechanism; 330. a first control valve; 340. a vacuum pumping control valve; 350. a second control valve; 360. a connecting bin; 370. a drive motor; 380. a conveying roller; 390. a feeding mechanism; 3110. a communicating pipe fitting; 3120. a vacuum tank; 3130. a vacuum pumping device; 3101. an observation window; 3102. an accommodating space; 3201. sealing the box body; 3202. a driving cylinder; 3203. a piston rod; 3204. a second side plate; 3205. a first side plate; 3206. closing the gate; 3207. a communication port.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent 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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1, an embodiment of the present invention provides a continuous processing lyophilization apparatus, comprising:
the drying device comprises a drying bin 1, wherein multiple layers of heating plates are arranged inside the drying bin 1, each heating plate extends along the length direction of the drying bin 1, and a hot water circulation channel is formed inside each heating plate;
a hot water circulation system 4 communicated with the hot water circulation channel of the heating plate;
the input end 5 of the material conveying belt 7 is communicated with the material inlet of the drying bin 1, the output end 6 of the material conveying belt 7 is communicated with the material outlet of the drying bin 1, and the freezing equipment 2 is arranged on the material conveying belt 7;
and the tray transfer mechanism (not shown in the figure) is arranged in the drying bin 1 and is used for transferring a tray from a material inlet of the drying bin 1 to a material outlet of the drying bin 1 along the length direction of the heating plate.
The embodiment provides a freeze-drying equipment of continuous processing, it includes dry storehouse 1, hot water circulating system 4, material conveyer belt 7 and tray transfer mechanism, the inside in dry storehouse 1 is provided with the multilayer hot plate, each hot plate extends along the length direction of dry storehouse 1, the inside of hot plate has hot water circulation channel, hot water circulating system 4 communicates with the hot water circulation channel of hot plate, it is when working, owing to set up refrigeration plant 2 on the material conveyer belt 7, consequently, the tray that is equipped with the material is carried to refrigeration plant 2 by material conveyer belt 7 at first and is accomplished the refrigeration, then import to the material entry of dry storehouse 1 from input 5 of material conveyer belt 7, then shift the material export of dry storehouse 1 from the material entry of dry storehouse 1 along the length direction of hot plate by tray transfer mechanism, because in this transfer process, carry out the heat exchange in order to heat drying the material on the tray between tray and the hot plate, later shift to the output 6 of material conveyer belt 7 through the material export, its whole working process can effectively promote degree of automation.
Referring to fig. 2 to 8, a freezing apparatus 2 according to an embodiment of the present invention includes:
the conveying support 101, the conveying support 101 is arranged along the vertical direction;
the circulating working part 10 is movably arranged on the conveying bracket 101; the circulating working part 10 at least comprises an ascending section 100 and a descending section 200, wherein when the circulating working part 10 is in an active state, the ascending section 100 moves vertically upwards and the descending section 200 moves vertically downwards;
a plurality of tray supports 110 for placing the trays 70, the plurality of tray supports 110 being installed at the ascending section 100 and the descending section 200;
and a heat exchanger 60 disposed in a vertical direction corresponding to the transport rack 101.
The embodiment provides a vertical conveying refrigeration device, which comprises a conveying support 101, a circulating working part 10, a tray support 110 and a heat exchanger, wherein the conveying support 101 and the heat exchanger are arranged in the vertical direction, the circulating working part 10 can move on the conveying support 101, the moving process is that an ascending section 100 lifts upwards, a descending section 200 moves vertically downwards, the whole working process is that the ascending section 100 moves on the vertical plane, the tray support 110 is fixed on the ascending section 100 and the descending section 200, specifically, when the vertical conveying refrigeration device works, a tray containing materials is placed on the tray support 110 of the ascending section 100 on one side of the ascending section 100, the materials on the tray are cooled and refrigerated by the heat exchanger in the upward moving process of the ascending section 100, and the tray reaches one side of the descending section 200 after reaching the top due to the circulating working part 10, moves vertically downwards along with the descending section 200, and is still in the refrigerating process of the heat exchanger in the descending process, firstly, the whole circulating refrigeration process is in the vertical direction, and the loading and unloading of the circulating working part 10 is adopted, so that the floor area of the vertical conveying refrigeration device can be reduced, and the circulation effect of the material can be ensured, and the circulation effect of the vertical refrigerating process can be conveniently adopted.
The heat exchanger 60 embodied in this embodiment may employ an evaporator coil.
In a further embodiment of the present embodiment, the circulating working part 10 is a chain, the vertical conveying freezer further comprises a first sprocket 102 and a second sprocket 103, the chain is tensioned on the first sprocket 102 and the second sprocket 103, the first sprocket 102 is located above the second sprocket 103 so that the chain is arranged in a vertical direction, and the plurality of tray supports 110 are uniformly mounted on the chain.
Adopt the chain as circulation work part 10 in this embodiment, through arranging the chain in vertical direction, it drives the chain through the sprocket and carries out circulation work, and it is simple structure not only, and its work is more stable moreover.
In a further implementation manner of the present embodiment, the chain includes a first chain 106 and a second chain 107, the number of the first chain wheels 102 and the second chain wheels 103 is two, the two first chain wheels 102 are coaxially installed on the first chain wheel shaft 105, and a set distance is provided between the two first chain wheels 102, the two second chain wheels 103 are coaxially installed on the second chain wheel shaft 111, the first chain 106 is tensioned on the first chain wheel 102 and the second chain wheel 103 on one side, the second chain 107 is tensioned on the first chain wheel 102 and the second chain wheel 103 on the other side, the tray support 110 is disposed inside the first chain 106 and the second chain 107, and the tray support 110 is connected to the first chain 106 and the second chain 107.
The first chain 106 and the second chain 107 in this embodiment are arranged parallel to each other, which may facilitate the installation and arrangement of the tray support 110.
In a further implementation of the present embodiment, the vertical transportation refrigeration apparatus further includes a pushing mechanism 80, and the pushing mechanism 80 is used for pushing the tray located at the ascending section 100 to the descending section 200.
In a further alternative embodiment of this embodiment, the pushing mechanism 80 is disposed near the top of the delivery carriage 101.
Specifically, in this embodiment, since the tray support 110 is vertically fixed on the chain, the tray support 110 may change its angle when passing through the top, and therefore, in this embodiment, before the tray support 110 changes its angle, the tray is pushed to the other side by the pushing mechanism 80, so that the conveying process of the tray on the top can be realized.
In a further embodiment of the present embodiment, the tray support 110 is composed of two square tubes, one of the square tubes is fixed inside the first chain 106, the other square tube is fixed inside the second chain 107, and the positions of the two square tubes correspond to each other.
In a further implementation manner of this embodiment, the plurality of square tubes disposed on the first chain 106 are distributed at equal intervals along the first chain 106, and the plurality of square tubes disposed on the second chain 107 are distributed at equal intervals along the second chain 107.
Each tray support 110 in this embodiment comprises two square pipes to these two square pipes correspond the setting each other, and tray support 110 is along the equidistant distribution of length direction of chain, and when the work, the tray is located between two adjacent tray support 110, and two square pipes support the both sides border of tray.
In a further embodiment of the present embodiment, a feeding mechanism 50 is disposed on one side of the chain located on the ascending section 100, and a discharging mechanism 40 is disposed on one side of the chain located on the descending section 200.
The feeding mechanism 50 and the discharging mechanism 40 in this embodiment can facilitate automatic feeding and discharging.
In a further embodiment of the present embodiment, the automatic feeding mechanism 50 is a feeding conveyor belt, and the blanking mechanism 40 is a blanking conveyor belt, and the feeding conveyor belt and the blanking conveyor belt extend between the first chain 106 and the second chain 107.
In this embodiment, the feeding conveyor belt and the discharging conveyor belt extend into the space between the first chain 106 and the second chain 107, the tray support 110 is composed of two square pipes, in operation, at least one tray support 110 is aligned with the feeding conveyor belt, when the tray enters the space between the first chain 106 and the second chain 107, the two square pipes drag the two side edges of the tray, the tray moves upwards along with the chains, and when discharging, the tray is directly placed on the discharging conveyor belt when the first chain 106 and the second chain 107 descend, so that the two square pipes are not stressed, and the tray can be conveyed to the outside under the driving of the discharging conveyor belt.
The square tube structure in this embodiment is not only simple in structure, but also facilitates the loading and unloading of the tray 70.
The arrangement of the tray support 110 in this embodiment not only can realize the freezing of the materials, but also has the functions of transition and material storage and turnover as the tray support 110 is arranged in the vertical direction.
In a further embodiment of this embodiment, a tray transition support 108 is disposed on the transport support 101 between the ascending section 100 and the descending section 200.
Furthermore, the tray transition support 108 in this embodiment includes a pushing cylinder 801, a fixing support 804 is disposed on a side surface of the conveying support 101, a cylinder body of the pushing cylinder 801 is mounted on the fixing support 804, a piston rod of the pushing cylinder 801 extends into a space between the first chain 106 and the second chain 107, a transverse pushing rod 805 is fixed to a front end of the piston rod, a guide rod 803 is movably disposed on the fixing support 804, a front end of the guide rod 803 is fixed to the transverse pushing rod 805, a cylinder 802 is fixed to the fixing support 804, and the pushing cylinder 801 is located inside the cylinder 802.
The vertical conveying refrigeration equipment in the embodiment further includes a plurality of fan sets 20, the plurality of fan sets 20 are arranged in a vertical direction, specifically, the plurality of fan sets 20 in the embodiment are mounted on the fan support 30, each fan set 20 includes a motor 201 and a fan blade 203, the motor 201 and the fan blade 203 are connected by a connecting shaft 202, further, the fan support 30 in the embodiment is provided with a plurality of rungs 301 in a stacked manner, each rung 301 is provided with one fan set 20, the motor 201 is fixed on the rung 301, the connecting shaft 202 is rotatably mounted on the bearing seat 204, and the fan blade 203 in the embodiment faces the chain.
In addition, the second sprocket shaft 111 in this embodiment is connected to the driving motor 104, and the driving motor 104 drives the second sprocket shaft 111 to rotate, so as to drive the first chain 106 and the second chain 107 to synchronously rotate.
The tray support 110 in this embodiment has a two-square tube structure, which is also convenient for the pushing operation of the pushing mechanism 80, and more particularly, when the tray 70 reaches the uppermost end of the rising section 100, the uppermost tray support 110 of the rising section 100 is aligned with the uppermost tray support 110 of the falling section 200, so that the tray is pushed from the uppermost tray support 110 of the rising section 100 to the uppermost tray support 110 of the falling section 200, and the tray support 110 between the uppermost end of the rising section 100 and the uppermost end of the falling section 200 is inclined, so that the tray 70 is not placed on the tray support 110 between the uppermost end of the rising section 100 and the uppermost end of the falling section 200.
Referring to fig. 9 to 13, the heating plate 210 is used to generate heat for heating in the embodiment of the present invention;
the supporting frames 220 are disposed at both sides of the heating plate 210, the supporting frames 220 are used to support the tray 70, and a space between the supporting frames 220 is a heating region 270;
the heat conduction fin 280 is disposed on the upper surface of the heating plate 210 and extends toward a direction close to the tray 70, the heat conduction fin 280 is located in the heating region 270, and the heat conduction fin 280 is used for contacting with the bottom of the tray 70.
In the present embodiment, the tray 70 for containing the material is placed on the supporting frame 220, the supporting frame 220 is located on two sides of the heating plate 210, the region between the supporting frames 220 is the heating region 270, the heat conducting fin 280 is located on the heating region 270, the heat conducting fin 280 is disposed on the upper surface of the heating plate 210 and extends toward the direction close to the tray 70, after the tray 70 is placed on the supporting frame 220, since the material is in the tray 70, if the bottom of the tray 70 is directly contacted with the surface of the heating plate 210, the friction force is too large to move relative to the supporting frame 220, and the heat conducting fin 280 in the present invention is contacted with the bottom of the tray 70, since the bottom of the tray 70 is not completely contacted with the surface of the heating plate 210, the contact friction force of the tray 70 is not too large to push, and since the heat conducting fin 280 is contacted with the bottom of the tray 70, the heat generated by the heating plate 210 can be transferred to the tray 70 through the heat conducting fin 280.
In a further implementation manner of the present embodiment, the heat conducting plate 280 is an elastic metal plate, and the heat conducting plate 280 is elastically contacted with the bottom of the tray 70.
The heat conducting plate 280 in this embodiment is an elastic metal plate, and can support the bottom of the tray 70 when contacting with the tray 70, so as to reduce the stress on the supporting frame 220, and save more labor in the pushing process of the tray 70.
In a further implementation manner of the present embodiment, the heat conducting sheet 280 is a phosphor copper sheet.
The embodiment uses phosphor copper as the heat conducting strip 280, and has higher corrosion resistance, wear resistance and fatigue resistance, so that the contact surface of the heat conducting strip is not easily worn after the heat conducting strip is used for a long time, and the original elasticity of the heat conducting strip 280 is not easily lost when the heat conducting strip is heavily pressed by a tray and materials for a long time.
In a further implementation manner of this embodiment, one end of the heating region 270 is a tray inlet, the heat conducting strip 280 extends in an upward direction along the moving direction of the tray 70, the upper end of the heat conducting strip 280 has a downward bending section 2110, and the connection between the bending section 2110 and the heat conducting strip 280 is an arc-shaped connection section.
In addition, when the tray 70 is pushed in, because the heat-conducting fins 280 extend towards the oblique upward direction of the tray moving direction, the tray contacts the heat-conducting fins 280 first, the heat-conducting fins 280 are pressed down to enter the tray 70 and then move continuously, and the tray further has certain buffering and shock-absorbing effects, so that the tray moves more stably.
In a further implementation manner of this embodiment, the distribution density of the heat-conducting fins 280 near the middle of the heating region 270 is greater than the distribution density of the heat-conducting fins 280 at the two sides of the heating region 270.
Because the tray 70 is supported by the supporting frames 220 on both sides and the bottom of the tray 70 is suspended, the supporting structure makes the position near the middle of the tray 70 more easily collapsed by the material when the tray 70 bears the material, so the bottom of the tray 70 deforms and the middle of the tray 70 is more recessed, which causes the heat-conducting fins 280 on both sides of the heating area 270 not to fully contact with the tray 70 and causes the material in the tray 70 to be heated unevenly, the material in the middle of the tray 70 is heated first and the materials on both sides are heated slowly, which also affects the drying effect and further affects the drying quality of the material, therefore, the heat-conducting fins 280 in this embodiment have a heavy area and a light area in the distribution of the heating area 270, i.e. the heavy area is the area near the middle of the heating area 270, and the light area is the area on both sides of the heating area 270, the distribution density of the heat-conducting fins 280 located in the heavy area is greater than that of the light area, when the tray 70 is supported, a larger supporting force can be provided for the middle area of the tray 70, the middle area of the tray 70 can be effectively prevented from sinking downwards under the action of materials, the heat-conducting fins 280 located on two sides of the heating area 270 can be fully contacted with the bottom of the tray 70, so that the heat conduction efficiency can be ensured, the heat transfer can be more uniform, the drying effect is ensured so as to improve the drying quality of the materials, furthermore, the supporting force of the supporting frame 220 to the edge of the top of the tray 70 is not uniform due to the deformation of the tray 70, the tray 70 can not move smoothly on the supporting frame 220, and the heavy area and the light area can also ensure that the tray 70 moves smoothly on the supporting frame 220.
In a further implementation manner of this embodiment, the heat conduction sheet 280 includes a first heat conduction sheet 2801 and a second heat conduction sheet 2802, the width of the first heat conduction sheet 2801 is greater than the width of the second heat conduction sheet 2802, the first heat conduction sheet 2801 is located near the middle of the heating region 270, and the second heat conduction sheets 2802 are located at two sides of the heating region 270.
In addition, in this embodiment, the width of the first heat conduction sheet 2801 in the heavy area is greater than the width of the second heat conduction sheet 2802 in the light area, which can further improve the supporting force for the middle area of the tray 70, and can prevent the middle area of the tray 70 from being depressed downward by the gravity of the material.
In a further embodiment of this embodiment, the inner side of the supporting frame 220 is provided with a sliding groove 290, the sliding groove 290 is rotatably provided with a supporting wheel 250, and the circumferential surface of the supporting wheel 250 is used for contacting with the top edge of the tray 70.
In a further alternative embodiment of this embodiment, a guide roller 240 is further rotatably disposed in the sliding groove 290, and a circumferential surface of the guide roller 240 is adapted to contact a side surface of the tray 70.
In the process of pushing the tray 70, the supporting wheel 250 in contact with the top edge of the tray 70 rotates, which can facilitate pushing of the tray 70, so that pushing of the tray 70 is more labor-saving, and the guiding wheel 240 is in contact with the side surface of the tray 70 in the process of moving the tray 70, which can prevent the tray 70 from moving left and right, and improve the stability of moving the tray 70.
In addition, the guide wheel 240 and the support wheel 250 in this embodiment are generally made of nylon, and in a long-term use process, because the support wheel 250 made of nylon is most easily worn under the heavy pressure of the tray 70 and the material, the heat conducting sheet 280 in this embodiment is an elastic metal sheet, and the heat conducting sheet 280 is in elastic contact with the bottom of the tray 70, and can provide a supporting force for the tray 70 to reduce the pressure of the tray 70 on the support wheel 250, so as to reduce the wear of the support wheel 250, and in addition, the arrangement of the heavy area and the light area in this embodiment can make the stress of the support wheel 250 more uniform, so that the wear of the support wheel 250 can be further delayed.
In a further implementation manner of this embodiment, the number of the guiding wheels 240 and the supporting wheels 250 is multiple, the guiding wheels 240 and the supporting wheels 250 are distributed in a staggered manner along the length direction of the supporting frame 220, and at least one guiding wheel 240 is disposed between every two adjacent supporting wheels 250.
The staggered arrangement of the guide wheels 240 and the support wheels 250 in this embodiment not only saves cost, but also improves the stability of the movement of the tray 70.
In a further embodiment of the present embodiment, the lower surface of the heating base 2100 is fixedly disposed on the upper surface of the heating plate 210, and the heat conduction sheet 280 is integrally formed with the heating base 2100.
Specifically, in this embodiment, the heating base plate 2100 and the heat conducting strip 280 are integrated, and the heating base plate 2100 and the heat conducting strip 280 are made of the same material, so the heating base plate 2100 in this embodiment may be made of phosphor copper material as the heat conducting strip 280, a notch 1001 is cut on the heating base plate 2100, only one section of the sheet body located in the notch 1001 is connected to the heating base plate 2100, the sheet body is bent upward to form the heat conducting strip 280, the heat conducting strip 280 bent upward has elasticity, the connection portion between the heat conducting strip 280 and the heating base plate 2100 is an arc connecting section 2120, and the heating base plate 2100 in this embodiment is attached to and positioned on the upper surface of the heating plate 210 through a high temperature resistant adhesive tape.
In the present embodiment, the tray inlet is provided with a guiding mechanism 260, the guiding mechanism 260 at least includes a guiding bracket, a guiding wheel is mounted on the guiding bracket, the guiding wheel is distributed in an oblique manner, and the guiding mechanism 260 facilitates guiding the tray 70 to the heating area 270
Referring to fig. 1, the material inlet of the drying chamber 1 and the material outlet of the drying chamber 1 in the present embodiment are provided with a continuous feeding mechanism 3.
Referring to fig. 14 to 16, the continuous feed mechanism 3 includes: the transition bin 310 is used for being connected with the drying bin 1, an accommodating space 3102 is formed inside the transition bin 310, a feeding mechanism 390 is arranged in the accommodating space 3102, the feeding mechanism 390 is used for conveying materials, the transition bin 310 is connected with a vacuumizing system, the vacuumizing system is used for vacuumizing the accommodating space 3102, opening positions at two ends of the transition bin 310 are respectively provided with an opening and closing mechanism 320, and the opening and closing mechanism 320 is used for opening an end opening of the transition bin 310 and closing an opening at the end part of the transition bin 310.
The continuous feeding mechanism 3 provided by this embodiment includes a transition bin 310, a feeding mechanism 390 is disposed inside the transition bin 310, the transition bin 310 is connected to a vacuum pumping system, one end of the transition bin 310 is connected to an external material conveying mechanism, the other end of the transition bin 310 is connected to a drying bin, and an accommodating space 3102 inside the transition bin 310 is communicated with an internal space of the drying bin, when the continuous feeding mechanism is in operation, a tray 70 filled with materials is fed into the accommodating space 3102 from one end of the transition bin 310, then the opening and closing mechanisms 320 at two ends of the transition bin 310 are closed to make the accommodating space 3102 inside the transition bin 310 in a sealed state, then the vacuum pumping system connected to the transition bin 310 is started, the accommodating space 3102 is evacuated by the vacuum pumping system to make the accommodating space 3102 in a negative pressure state, then the opening and closing mechanisms 320 at the connection end of the drying bin are opened to make the accommodating space 3102 communicate with the vacuum space inside the drying bin, the tray 70 is operated by the feeding mechanism 390 to feed the tray 70 into the inside of the drying bin, which can realize a continuous feeding environment toward the drying bin, and further realize a freeze-drying process.
In a further alternative embodiment of this embodiment, the vacuum pumping system comprises a vacuum tank 3120 and a vacuum device 3130, the vacuum tank 3120 is in communication with the receiving space 3102, the vacuum tank 3120 is in communication with the vacuum device 3130, and the vacuum pumping system further comprises a vacuum pumping control valve 340, the vacuum pumping control valve 340 being disposed between the vacuum tank 3120 and the transition bin 310.
The vacuum control valve 340 needs to be opened when the vacuum pumping operation is performed in the embodiment, the vacuum control valve 340 is closed after the vacuum pumping operation is completed, the vacuum tank 3120 is continuously pumped through the vacuum pumping device 3130 in the embodiment, the vacuum control valve 340 is opened to be communicated with the accommodating space 3102 through the vacuum tank 3120, the vacuum efficiency can be improved, the material operation efficiency can be further improved, and the material conveying efficiency is greatly improved.
In addition, the evacuation device 3130 in the present embodiment may employ an evacuation pump.
In a further implementation manner of the present embodiment, a first control valve 330 is disposed on the transition bin 310, and the first control valve 330 is used for controlling a connection passage of the accommodating space 3102 and the external space.
When the tray 70 needs to be fed, the first control valve 330 needs to be opened to communicate the accommodating space 3102 with the external space, which is mainly used to keep the pressure of the accommodating space 3102 consistent with that of the external space, so as to open the opening and closing mechanism 320 at the end of the transition bin 310 connected with the external material conveying mechanism, which facilitates the opening and closing mechanism 320.
In a further possible implementation of this embodiment, a second control valve 350 is provided on the transition bin 310, and the second control valve 350 is used for controlling a connection passage of the accommodating space 3102 and the inner space of the drying bin.
In this embodiment, after the accommodating space 3102 is vacuumized, the second control valve 350 needs to be opened to communicate the accommodating space 3102 with the vacuum space inside the drying cabin, so as to eliminate the pressure difference between the accommodating space 3102 and the vacuum space inside the drying cabin, and then the opening and closing mechanism 320 between the transition cabin 310 and the drying cabin is opened, which can facilitate the opening operation of the opening and closing mechanism 320 and can improve the stability during the opening process.
In a further alternative embodiment of this embodiment, the feeding mechanism 390 includes a plurality of rotating rollers rotatably disposed in the accommodating space 3102.
In a further implementation manner of this embodiment, the feeding mechanism 390 further includes a driving motor 370, the driving motor 370 is installed on the transition bin 310, a first sprocket is disposed on each rotating roller, a shaft portion of the driving motor 370 extends into the accommodating space 3102 inside the transition bin 310, a second sprocket is installed on a shaft portion of the driving motor 370, and the first sprocket and the second sprocket are connected by a chain.
In this embodiment, the rotating rollers are driven by the chains to work simultaneously, and in the specific work, the tray 70 is placed on the rotating rollers, and the tray 70 is conveyed forward by the rotation of the rotating rollers.
In a further implementation manner of the present embodiment, the opening and closing mechanism 320 includes a sealing shutter 3206 and a driving cylinder 3202, the driving cylinder 3202 is connected to the sealing shutter 3206, the driving cylinder 3202 is used for driving the sealing shutter 3206 to move in a vertical direction to reach a first position and a second position, the sealing shutter 3206 seals the end opening of the transition bin 310 in a state where the sealing shutter 3206 is at the first position, and the sealing shutter 3206 opens the end opening of the transition bin 310 in a state where the sealing shutter 3206 is at the second position.
In this embodiment, the opening and closing of the end opening of the transition bin 310 is realized by the closing shutter 3206, and the transition bin has the advantages of stable operation, simple structure and more convenient operation.
In a further implementation manner of this embodiment, the opening and closing mechanism 320 further includes a sealing box 3201, the sealing box 3201 is vertically disposed at the opening end of the transition bin 310, the sealing shutter 3206 is movably disposed inside the sealing box 3201, the sealing box 3201 has a first side plate 3205 and a second side plate 3204, the first side plate 3205 and the second side plate 3204 are provided with a communication port 3207 at a position corresponding to the end opening of the transition bin 310, the first side plate 3205 is connected with the end of the transition bin 310 in a sealing manner so that the communication port 3207 on the first side plate 3205 is communicated with the end opening of the transition bin 310, the driving cylinder 3202 is mounted at the top of the sealing box 3201, and a piston rod 3203 of the driving cylinder 3202 extends into the sealing box 3201 to be connected with the top of the sealing shutter 3206.
In this embodiment, a sealing box 3201 is adopted, which not only facilitates installation of the sealing shutter 3206, but also facilitates sealing of the transition bin 310.
In a further implementation manner of the present embodiment, the continuous feeding mechanism 3 further includes a connecting bin 360, one end of the connecting bin 360 is used for being connected with the drying bin so that the internal space of the transition bin 310 is communicated with the internal space of the drying bin, the other end of the connecting bin 360 is hermetically connected with the second side plate 3204, and the communication port 3207 on the second side plate 3204 is communicated with the end opening of the connecting bin 360.
In a further embodiment of the present embodiment, a conveying roller 380 is provided inside the connecting bin 360.
In this embodiment, after the tray 70 enters the connection cabin 360, the tray is fed into the drying cabin by the rotation of the conveying roller 380, and the connection cabin 360 can facilitate the connection between the transition cabin 310 and the drying cabin.
In addition, the transition bin 310 in this embodiment is provided with a communicating pipe 3110, the communicating pipe 3110 is communicated with the accommodating space 3102, the vacuuming control valve 340, the first control valve 330 and the second control valve 350 are all arranged on the communicating pipe 3110, the vacuuming control valve 340 is connected with the vacuum tank 3120 through pipes, the first control valve 330 is directly connected with the external environment, and the second control valve 350 is communicated with the internal space of the drying bin through pipes, so that the overall structure is simpler and more reasonable, and the vacuuming control valve 340, the first control valve 330 and the second control valve 350 in this embodiment are pneumatic valves.
The transition bin 310 in this embodiment is further provided with an observation window 3101, and the observation window 3101 can observe the working condition inside the transition bin 310, for example, can observe whether the tray 70 is jammed.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. A continuous process lyophilization apparatus, comprising:
the drying device comprises a drying bin, a plurality of layers of heating plates are arranged in the drying bin, each heating plate extends along the length direction of the drying bin, and a hot water circulation channel is arranged in each heating plate;
the hot water circulating system is communicated with the hot water circulating channel of the heating plate;
the input end of the material conveying belt is communicated with the material inlet of the drying bin, the output end of the material conveying belt is communicated with the material outlet of the drying bin, and refrigeration equipment is arranged on the material conveying belt;
the tray transfer mechanism is arranged in the drying bin and used for transferring a tray from a material inlet of the drying bin to a material outlet of the drying bin along the length direction of the heating plate.
2. The continuous processing lyophilization apparatus according to claim 1, wherein the upper surface of the heating plate is provided with a heat conducting sheet contacting the bottom of the tray.
3. The continuous processing freeze-drying device according to claim 2, wherein two sides of the heating plate are provided with support frames for supporting trays, a space between the support frames is a heating region, the heat-conducting fins are arranged on the upper surface of the heating plate and extend towards a direction close to the trays, and the heat-conducting fins are located in the heating region.
4. The continuous processing lyophilization apparatus of claim 2, wherein the heat conducting sheet is an elastic metal sheet, and the heat conducting sheet is in elastic contact with the bottom of the tray.
5. The continuous processing lyophilization apparatus of claim 2, wherein the distribution density of the heat conducting sheets near the middle of the heating area is greater than the distribution density of the heat conducting sheets at both sides of the heating area.
6. The continuous processing lyophilization apparatus according to claim 5, wherein the heat conduction sheets comprise a first heat conduction sheet and a second heat conduction sheet, the first heat conduction sheet has a width larger than that of the second heat conduction sheet, the first heat conduction sheet is located at a middle position near the heating region, and the second heat conduction sheet is located at two sides of the heating region.
7. The continuous processing lyophilization apparatus of claim 1, wherein the freezing apparatus is a vertical transport freezing apparatus.
8. The continuous processing freeze-drying equipment according to claim 7, wherein the freezing equipment comprises a conveying support, a circulating working part, a tray support and a heat exchanger, the conveying support is arranged along a vertical direction, the circulating working part is movably arranged on the conveying support, the circulating working part at least comprises an ascending section and a descending section, the circulating working part is in a movable state, the ascending section moves upwards vertically, the descending section moves downwards vertically, the tray support is used for placing trays, the number of the tray supports is multiple, the tray supports are arranged on the ascending section and the descending section, and the heat exchanger corresponds to the conveying support and is arranged along the vertical direction.
9. The continuous processing lyophilization apparatus according to claim 8, wherein the circulation work member is a chain, the vertical transport freezing apparatus further comprises a first sprocket and a second sprocket, the chain is tensioned on the first sprocket and the second sprocket, the first sprocket is positioned above the second sprocket so that the chain is arranged in a vertical direction, and a plurality of the tray supports are uniformly mounted on the chain.
10. The continuous processing lyophilization apparatus according to claim 9, wherein the chain comprises two first chains and two second chains, the two first chains are coaxially mounted on a first chain wheel shaft with a set distance therebetween, the two second chains are coaxially mounted on a second chain wheel shaft, the first chains are tensioned on the first chain wheels and the second chain wheels on one side, the second chains are tensioned on the first chain wheels and the second chain wheels on the other side, the tray support is disposed on the inner sides of the first chains and the second chains, and the tray support is connected with the first chains and the second chains.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211404752.5A CN115615146A (en) | 2022-11-10 | 2022-11-10 | Freeze-drying equipment for continuous processing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211404752.5A CN115615146A (en) | 2022-11-10 | 2022-11-10 | Freeze-drying equipment for continuous processing |
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| CN115615146A true CN115615146A (en) | 2023-01-17 |
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| CN202211404752.5A Pending CN115615146A (en) | 2022-11-10 | 2022-11-10 | Freeze-drying equipment for continuous processing |
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Cited By (1)
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| CN117367076A (en) * | 2023-12-06 | 2024-01-09 | 常州一元介孔新材料有限公司 | Disc type drying equipment with intelligent cleaning function |
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