CN107764023A - A kind of Full-automatic continuous vacuum drying system - Google Patents
A kind of Full-automatic continuous vacuum drying system Download PDFInfo
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- CN107764023A CN107764023A CN201610689159.8A CN201610689159A CN107764023A CN 107764023 A CN107764023 A CN 107764023A CN 201610689159 A CN201610689159 A CN 201610689159A CN 107764023 A CN107764023 A CN 107764023A
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- 238000001291 vacuum drying Methods 0.000 title claims abstract description 77
- 239000000463 material Substances 0.000 claims abstract description 110
- 238000007599 discharging Methods 0.000 claims abstract description 88
- 238000001035 drying Methods 0.000 claims abstract description 62
- 238000007789 sealing Methods 0.000 claims description 152
- 230000007704 transition Effects 0.000 claims description 151
- 238000010438 heat treatment Methods 0.000 claims description 79
- 238000001816 cooling Methods 0.000 claims description 58
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 39
- 230000007246 mechanism Effects 0.000 claims description 35
- 238000004321 preservation Methods 0.000 claims description 25
- 229910052757 nitrogen Inorganic materials 0.000 claims description 19
- 239000011261 inert gas Substances 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 10
- 239000007789 gas Substances 0.000 claims description 10
- 238000002360 preparation method Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 26
- 238000004519 manufacturing process Methods 0.000 abstract description 18
- 230000007723 transport mechanism Effects 0.000 abstract 1
- 230000008569 process Effects 0.000 description 18
- 230000009471 action Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 239000012535 impurity Substances 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000011031 large-scale manufacturing process Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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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
- F26B15/26—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 helical path
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/14—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects using gases or vapours other than air or steam, e.g. inert gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/04—Heating arrangements using electric heating
- F26B23/06—Heating arrangements using electric heating resistance heating
-
- 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
- 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
- F26B5/041—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 for drying flowable materials, e.g. suspensions, bulk goods, in a continuous operation, e.g. with locks or other air tight arrangements for charging/discharging
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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)
- Sustainable Development (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The present invention is applied to drying equipment technical field, there is provided a kind of Full-automatic continuous vacuum drying system, including frame, the dryness storehouse group being arranged in frame, electrical equipment and the electric-control system for controlling the electrical equipment, the dryness storehouse group include：Feed transitional storehouse, dry vacuum container group and discharging transitional storehouse；Charging transitional storehouse, discharging transitional storehouse and the ambient atmosphere connection end are respectively arranged with feeding seal door, discharging hermatic door；The charging transitional storehouse, dry vacuum container group, discharging transitional storehouse are provided with vavuum pump and inflator pump outside pipeline connection, while are respectively arranged with material transport mechanism in each storehouse and continuously transmit material.The present invention solves the problem of product drying flow vacuum such as existing battery, electric capacity is low, and energy loss is big, and the human resources used are more, and production cost is high, while the drying production procedure of product is to be interrupted and the production of discontinuous, and drying production procedure efficiency is low.
Description
Technical Field
The invention belongs to the technical field of drying equipment, and particularly relates to a full-automatic continuous vacuum drying system.
Background
Vacuum drying equipment is commonly used for drying supercapacitors, batteries, capacitors, or other products.
At present, under the drive of a line of battery enterprises, the requirements on battery equipment are higher and higher, the requirements on the performance of the battery are stricter and higher, the drying process of the battery generally comprises the process flows of heating, vacuumizing, heat preservation, cooling and the like, equipment adopted in various existing battery drying processes is independent equipment, namely a heating drying furnace, a cooling furnace, a discharging furnace and then the next furnace is operated, so that intermittent production is realized, the efficiency is low, the energy loss is large, more human resources are used, and the production cost is high. Meanwhile, the original production mode has low vacuum degree and poor drying effect.
Disclosure of Invention
The embodiment of the invention provides a full-automatic continuous vacuum drying system, and aims to solve the problems that equipment adopted in various processes of battery drying in the prior art is discrete equipment, intermittent production is adopted, the efficiency is low, the energy loss is large, the used manpower resources are more, the production cost is high, and meanwhile, the vacuum degree of the original production mode is low and the drying effect is poor.
The embodiment of the invention is realized in such a way that the full-automatic vacuum drying system comprises a rack, a drying bin group arranged on the rack, electrical equipment and an electric control system used for controlling the electrical equipment,
wherein,
the drying bin group comprises: the feeding transition bin is arranged at the front section of the rack and used for feeding, the vacuum drying bin group is arranged at the middle section of the rack and communicated with the feeding transition bin through a feeding transition sealing door and used for heating and drying materials in a vacuum environment, and the discharging transition bin is arranged at the rear section of the rack and communicated with the vacuum drying bin group through a discharging transition sealing door and used for discharging;
the connection ends of the feeding transition bin and the discharging transition bin with the outside atmosphere are respectively provided with a feeding sealing door and a discharging sealing door;
the feeding transition bin, the vacuum drying bin group and the discharging transition bin are all provided with a vacuum pump and an air charging device which are connected with the outside through pipelines, the vacuum pump pumps away air in the feeding transition bin, the vacuum drying bin group and the discharging transition bin, so that the vacuum drying bin group is isolated from the outside atmosphere when the materials enter the vacuum drying bin group from the feeding transition bin or enter the discharging transition bin from the vacuum drying bin group, and meanwhile, the air charging device is used for charging nitrogen or inert gas into the vacuum drying bin group;
and material conveying mechanisms are respectively arranged in the feeding transition bin, the vacuum drying bin group and the discharging transition bin to enable the materials to be continuously input and output among the feeding transition bin, the vacuum drying bin group and the discharging transition bin.
Furthermore, the vacuum drying bin group comprises a preheating bin, a vacuum heating bin, a vacuum heat-insulating bin and a vacuum cooling bin which are connected in sequence, wherein a feeding transition sealing door is arranged between the feeding transition bin and the preheating bin, a preheating sealing door is arranged between the preheating bin and the vacuum heating bin, a heat-insulating sealing door is arranged between the vacuum heating bin and the vacuum heat-insulating bin, a cooling sealing door is arranged between the vacuum heat-insulating bin and the vacuum cooling bin, and a discharging transition sealing door is arranged between the vacuum cooling bin and the discharging transition bin;
the preheating bin and the vacuum heating bin are provided with heating mechanisms for preheating and heating and drying the materials respectively.
Furthermore, the material conveying mechanism comprises a first power roller group arranged in the feeding transition bin, a second power roller group arranged in the preheating bin, a third power roller group arranged in the vacuum heating bin, a fourth power roller group arranged in the vacuum heat-preserving bin, a fifth power roller group arranged in the vacuum cooling bin and a sixth power roller group arranged in the discharging transition bin, wherein the power roller groups are driven by a motor and a transmission mechanism connected with the motor.
Furthermore, a plurality of rollers in the first power roller group, the second power roller group, the third power roller group, the fifth power roller group and the sixth power roller group are arranged in a horizontal straight line;
the multiple rollers of the fourth power roller group are arranged spirally, the materials are input from the upper ends of the spirally arranged rollers and output from the lower ends of the spirally arranged rollers, the corresponding feeding transition bin, the preheating bin and the vacuum heating bin are arranged at the upper part of the vacuum heat-preserving bin, and the vacuum cooling bin and the discharging transition bin are arranged at the lower part of the vacuum heat-preserving bin.
Furthermore, a transmission mechanism connected between the power roller group and the motor adopts a chain type transmission mechanism.
Further, the inflation device is an inflator pump or a filling gas supply device.
Furthermore, the preheating bin and the vacuum heating bin are also provided with circulating fans for accelerating the circulating flow of the gas in the preheating bin and the gas outside the vacuum heating bin.
Furthermore, the feeding sealing door, the feeding transition sealing door, the preheating sealing door, the heat preservation sealing door, the cooling sealing door, the discharging transition sealing door and the discharging sealing door are respectively connected with a gear rack mechanism, and the gear rack mechanism is respectively connected with a motor for driving the sealing door to be opened and closed.
Furthermore, the feeding transition bin and the junction of feeding sealing door, feeding transition sealing door, preheating bin with the junction of feeding transition sealing door, preheating sealing door, vacuum heating bin with the junction of preheating sealing door, heat preservation sealing door, vacuum heat preservation bin with the junction of heat preservation sealing door, cooling sealing door, vacuum cooling bin with the junction of cooling sealing door, ejection of compact transition sealing door, the ejection of compact transition bin with the junction of ejection of compact transition sealing door, ejection of compact sealing door is provided with the sealing strip respectively.
Further, the heating mechanism is a resistance type heating tube or heating plate, or a radiation type heating mechanism, or an oil temperature heating mechanism.
According to the full-automatic continuous vacuum drying system provided by the embodiment of the invention, the feeding transition bin, the vacuum drying bin group and the discharging transition bin which are sequentially connected are arranged, and the power roller groups which are respectively connected are arranged in the feeding transition bin, the vacuum drying bin group and the discharging transition bin and are used as material conveying mechanisms for continuously conveying materials among the bins, so that the whole drying process is automatically, continuously and massively produced, the labor is saved, the production efficiency is high, meanwhile, the vacuum degree of the product drying process is high due to the arrangement of the sealing door, the vacuum drying bin group and the vacuum pump, the energy consumption of repeated heating caused by intermittent operation due to equipment function factors in the drying production process is reduced, and the production cost is reduced.
Drawings
FIG. 1 is a schematic view of a fully automatic continuous vacuum drying system provided by an embodiment of the present invention;
FIG. 2 is a schematic view of another aspect of the fully automatic continuous vacuum drying system provided in the embodiment of the present invention;
FIG. 3 is a schematic view of a front power roller set of the fully automatic continuous vacuum drying system according to an embodiment of the present invention;
FIG. 4 is a schematic view of a rear power roller set of the fully automatic continuous vacuum drying system according to an embodiment of the present invention;
FIG. 5 is a schematic view of a fourth power roller set of the fully automatic continuous vacuum drying system according to the embodiment of the present invention;
fig. 6 is a schematic view of a feeding sealing door of a fully automatic continuous vacuum drying system according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.
It should be noted that the terms of orientation such as left, right, up and down in the embodiments of the present invention are only relative to each other or are referred to the normal use state of the product, and should not be considered as limiting.
Referring to fig. 1 to 2, a fully automatic continuous vacuum drying system according to an embodiment of the present invention,
the full-automatic vacuum drying system comprises a rack 1, a drying bin group arranged on the rack 1, electrical equipment and an electric control system for controlling the electrical equipment, wherein a plurality of rollers and supporting plates with adjustable heights are arranged at the bottom of the rack in the embodiment of the invention, the rollers can integrally push the vacuum drying system when the full-automatic vacuum drying system needs to be moved, and the supporting plates are used for fixedly supporting the vacuum drying system, wherein,
the drying bin group comprises: the feeding transition bin 3 is arranged at the front section of the rack and used for feeding, the vacuum drying bin group 5 is arranged at the middle section of the rack and communicated with the feeding transition bin 3 through a feeding transition sealing door 4 and used for heating and drying materials in a vacuum environment, and the discharging transition bin 7 is arranged at the rear section of the rack and communicated with the vacuum drying bin group 5 through a discharging transition sealing door 6 and used for discharging;
the connecting ends of the feeding transition bin 3 and the discharging transition bin 7 with the outside atmosphere are respectively provided with a feeding sealing door 8 and a discharging sealing door 9; the drying bin group is isolated from the outside air by the feeding sealing door and the discharging sealing door;
the feeding transition bin 3, the vacuum drying bin group 5 and the discharging transition bin 7 are all provided with a vacuum pump 10 and an air charging device which are connected with the outside through pipelines, the pipelines and the air charging device are not shown in the figure, the vacuum pump 10 pumps away air in the feeding transition bin 3, the vacuum drying bin group 5 and the discharging transition bin 7, so that the vacuum drying bin group 5 is isolated from the outside atmosphere when the materials enter the vacuum drying bin group 5 from the feeding transition bin 3 or when the materials enter the discharging transition bin 7 from the vacuum drying bin group 5, and meanwhile, the air charging device is used for charging nitrogen or inert gas into the vacuum drying bin group for material protection and air pressure balance;
in the embodiment of the invention, the material conveying mechanism can be roller conveying or belt conveying, so that the materials are continuously conveyed among the bins, and the continuous drying process is realized.
Specifically, in the embodiment of the present invention, the vacuum drying bin group 5 includes a preheating bin 50, a vacuum heating bin 51, a vacuum heat-preserving bin 52, and a vacuum cooling bin 53, which are connected in sequence, the feeding transition sealing door 4 is disposed between the feeding transition bin 3 and the preheating bin 50, a preheating sealing door 50-1 is disposed between the preheating bin 50 and the vacuum heating bin 51, a heat-preserving sealing door 52-1 is disposed between the vacuum heating bin 51 and the vacuum heat-preserving bin 52, a cooling sealing door 52-2 is disposed between the vacuum heat-preserving bin 52 and the vacuum cooling bin 53, and the discharging transition sealing door 6 is disposed between the vacuum cooling bin 53 and the discharging transition bin 7;
the preheating bin 50 and the vacuum heating bin 51 are provided with heating mechanisms for respectively preheating and heating and drying the materials, and the heating mechanisms are arranged on the top surface or the side surface in the bin body.
Specifically, in the embodiment of the present invention, as shown in fig. 3 and 4, the material conveying mechanism includes a first power roller set 15-1 disposed in the feeding transition bin, a second power roller set 15-2 disposed in the preheating bin, a third power roller set 15-3 disposed in the vacuum heating bin, a fourth power roller set 15-4 disposed in the vacuum insulation bin, a fifth power roller set 15-5 disposed in the vacuum cooling bin, and a sixth power roller set 15-6 disposed in the discharging transition bin, where the power roller sets are driven by a motor and a transmission mechanism connected to the motor.
As an example of the present invention, as shown in FIG. 3, the plurality of rollers 11 in the first power roller set 15-1, the second power roller set 15-2, the third power roller set 15-3, the fifth power roller set 15-5 and the sixth power roller set 15-6 are horizontally arranged in a straight line;
as shown in fig. 5, the plurality of rollers 11 of the fourth power roller set 15-4 are arranged spirally, the material is input from the upper end of the spirally arranged rollers 11 and output from the lower end of the spirally arranged rollers 11, the corresponding feeding transition bin 3 and the corresponding vacuum heating bin 51 are arranged at the upper part of the vacuum heat-preserving bin 52, and the vacuum cooling bin 53 and the corresponding discharging transition bin 7 are arranged at the lower part of the vacuum heat-preserving bin 52, and the spiral arrangement enables the material to perform spiral motion in the vacuum heat-preserving bin, so that the retention time of the material in the vacuum heat-preserving bin is prolonged, and sufficient heat-preserving drying can be achieved under the condition that the material can be continuously input and output; the fourth power roller group comprises a linear transportation roller group part, a circular arc transportation roller group part and an inclined transportation roller group part.
Preferably, in the embodiment of the present invention, the transmission mechanism connected between the power roller set and the motor is a chain transmission mechanism (not shown in the figure), when the motor rotates, the output shaft of the motor drives the chain transmission mechanism to drive the roller to rotate, and the rotation of the roller can push the material rack forward.
In the embodiment of the invention, the inflating device is an inflator pump or a filling gas supply device, high-pressure nitrogen or inert gas is stored in the high-pressure tank in advance, and the high-pressure nitrogen or inert gas is filled into the vacuum drying bin group through a valve and a pipeline.
Preferably, as shown in fig. 2, in the embodiment of the present invention, the preheating bin and the vacuum heating bin are further provided with a circulating fan 13 for accelerating the gas circulation flow inside the preheating bin and outside the vacuum heating bin, so as to accelerate the drying effect of the material.
In an embodiment of the present invention, the feeding sealing door 8, the feeding transition sealing door 4, the preheating sealing door 50-1, the heat-preserving sealing door 52-1, the cooling sealing door 52-2, the discharging transition sealing door 6, and the discharging sealing door 9 are respectively connected to a rack-and-pinion mechanism 16, as shown in fig. 6, the rack-and-pinion mechanism 16 is arranged in the feeding sealing door 8 (and the other sealing doors are all configured in this way), the rack-and-pinion mechanism is respectively connected to a motor for driving the opening and closing of the sealing door, the opening and closing of the sealing door is controlled by an electric control system, the motor is connected to a gear, the gear is engaged with a rack when rotating, a guide wheel is arranged on the back of the rack and rolls down on a track, and the sealing door fixedly connected to one end of the rack also moves up and down.
In the embodiment of the invention, the joints of the feeding transition bin, the feeding sealing door and the feeding transition sealing door, the joints of the preheating bin, the feeding transition sealing door and the preheating sealing door, the joints of the vacuum heating bin, the preheating sealing door and the heat-insulating sealing door, the joints of the vacuum heat-insulating bin, the heat-insulating sealing door and the cooling sealing door, the joints of the vacuum cooling bin, the cooling sealing door and the discharging transition sealing door, and the joints of the discharging transition bin, the discharging transition sealing door and the discharging sealing door are respectively provided with a sealing strip, and the sealing strips ensure the sealing effect of the vacuum drying device.
The working process of the full-automatic continuous vacuum drying system provided by the embodiment of the invention is as follows:
1. the method comprises the following steps that materials to be dried, such as batteries, capacitors and other electronic elements, are fixed on a material rack, conveyed into a feeding transition bin through conveying equipment, then a feeding sealing door is closed, vacuumizing is performed, inert gas is filled, and feeding is completed;
2. the method comprises the following steps of (1) conveying materials in a feeding transition bin into a preheating bin, then closing a feeding transition sealing door, vacuumizing, filling inert gas, and then rapidly and uniformly heating to a set temperature through a heating pipe of the preheating bin to preliminarily preheat the materials;
3. sending the preheated material into a vacuum heating bin, closing a preheating sealing door, vacuumizing, filling inert gas for replacement, heating by a heating pipe for drying, and sending into a vacuum heat-preserving bin after the preset temperature is reached;
4. the constant-temperature vacuum heating and heat preservation are carried out in the vacuum heat preservation bin according to a set motion process, the material can slowly and spirally descend in the vacuum heat preservation bin due to the spiral transportation structure arranged in the vacuum heat preservation bin, sufficient time is obtained for carrying out sufficient heat preservation and drying, the operation time of the material in the vacuum heat preservation bin can be set according to actual requirements, and the material is subjected to vacuum heat preservation and drying and is discharged to the vacuum cooling bin after being monitored on line;
5. after the materials are cooled to a set temperature in the vacuum cooling bin, the materials are sent into a discharging transition bin;
6. when the discharging transition bin discharges materials, the cooling sealing door between the discharging transition bin and the vacuum cooling bin is closed firstly, then the discharging sealing door at the other end of the discharging transition bin is opened, so that the external air is prevented from entering the vacuum cooling bin, the clean gas environment in the vacuum drying bin group is protected, the discharging sealing door is closed after the materials are sent out of the discharging transition bin, and the materials are vacuumized and filled with inert gas, so that when the cooling sealing door is opened again, the external air cannot be mixed in the vacuum drying bin group.
The material rack is used for placing materials, and meanwhile, the moving part is arranged at the bottom of the material rack, so that the material rack can be stably pushed forwards on the roller.
The inert gas used in the embodiment of the invention can be nitrogen and other inert gases, and the arrangement of the feeding process bin and the discharging transition bin is to prevent external mixed gas from entering the vacuum drying bin group in the feeding or discharging process, so that the materials in the vacuum drying bin group are not polluted again by moisture and impurities in the external air, and the drying effect of the materials is ensured.
The action flow of a single material in the embodiment of the invention is as follows:
opening a feeding sealing door 8, pushing materials into a feeding transition bin 3, closing the feeding sealing door 8, vacuumizing, then filling nitrogen, after a certain time, opening a feeding transition sealing door 4, enabling the materials to enter a preheating bin under the action of a first power roller group 15-1 and a second power roller group 15-2, closing the feeding transition sealing door 4, after a certain time, opening a preheating sealing door 50-1, enabling the materials to enter a vacuum heating bin under the action of a second power roller group 15-2 and a third power roller group 15-3, closing the preheating sealing door 50-1, after a certain time, opening a heat preservation sealing door 52-1, enabling the materials to enter a vacuum heat preservation bin 52 under the action of a third power roller group 15-3 and a fourth power roller group 15-4, closing the heat preservation sealing door 52-1, and enabling a fourth power roller group 15-4 which is spirally arranged to act after a certain time, the material moves forward one station, the process is circulated for several times until the material reaches the last station position (close to the vacuum cooling bin) of the vacuum heat-preservation bin 52, after a certain time, the cooling sealing door 52-2 is opened, the material enters the vacuum cooling bin under the action of the fourth power roller group 15-4 and the fifth power roller group 15-5, the cooling sealing door 52-2 is closed, after a certain time, the discharging transition sealing door 6 is opened, the materials enter the discharging transition bin under the action of the fifth power roller group 15-5 and the sixth power roller group 15-6, the discharging transition sealing door 6 is closed, after a certain time, and opening the discharging sealing door 9, conveying the materials out of the discharging transition bin under the action of the sixth power roller group 15-6, closing the discharging sealing door 9, vacuumizing the discharging transition bin, and filling nitrogen to prepare for next circulation.
In the operation of the whole process, materials are continuously conveyed according to the sequence of first-in and last-in:
firstly, opening a discharging sealing door 9, moving a sixth power roller group 15-6, pushing out the material, closing the discharging sealing door 9, vacuumizing a discharging transition bin and filling nitrogen; then a discharging transition sealing door 6, a cooling sealing door 52-3, a heat preservation sealing door 52-1, a preheating sealing door 50-1 and a feeding transition sealing door 4 are opened, a fifth power roller group 15-5, a fourth power roller group 15-4, a third power roller group 15-3 and a second power roller group 15-2 are operated, materials at corresponding positions move forward by one station, namely the materials in the vacuum cooling bin enter a discharging transition bin, the materials in the vacuum heat preservation bin close to the vacuum cooling bin enter the vacuum cooling bin, the materials at other stations of the vacuum heat preservation bin move forward by one station, the materials in the vacuum heating bin enter the vacuum heat preservation bin, the materials in the preheating bin enter a preheating bin, the materials in the feeding transition bin enter the preheating bin, and the discharging transition sealing door 6 and the cooling sealing door 52-3 are closed after the operation is finished, The heat preservation sealing door 52-1, the preheating sealing door 50-1 and the feeding transition sealing door 4 can be vacuumized or not according to the air pressure meter in the device; then the feeding sealing door 8 is opened, the material is pushed into the feeding transition bin, the action is completed, the feeding sealing door 8 is closed, the vacuum pumping is carried out, and the next circulation is waited.
Specifically, the working principle and the working process of each working bin are as follows:
feeding a transition bin: the main effect in this storehouse is not let the material directly get into vacuum drying storehouse group, because vacuum drying storehouse group volume is great, if directly open feeding transition sealing door and let the material get into, then can let the material that has not accomplished drying or accomplish that the drying has not got into the direct and atmospheric contact in material in vacuum cooling storehouse, by moisture or other impurity contamination in the air, also can be oxidized by oxygen, the nitrogen gas of whole dry storehouse group section also can be mixed to the atmosphere simultaneously, will be to whole dry storehouse group evacuation before the reheating, can consume the plenty of time and also can waste the resource, so, the time of heating is practiced thrift greatly in feeding transition storehouse, and the efficiency is improved. .
The working process is as follows: the feeding transition bin opens the feeding sealing door (expose in the air), then pushes into the feeding transition bin with the material on material frame and the material frame, closes the feeding sealing door that has opened afterwards, then the vacuum pump begins to extract the air of the inside, and the evacuation can be taken away the moisture on material surface and the impurity in the air, also can prevent that the material from being oxidized by the oxygen in the air. When the required vacuum degree is reached, the vacuumizing is stopped, then nitrogen is filled into the chamber, the air is further isolated, the materials are protected, and meanwhile, the air pressure of the vacuum drying chamber group can be balanced.
Preheating a bin: the main effect in this storehouse is preheating the material, tentatively gets rid of the moisture on surface, reaches the purpose of preliminary drying, and its drying rate is very accelerated when carrying out the drying to the material after preheating, shortens drying process.
The working process is as follows: after the feeding of the feeding transition bin is finished, a feeding transition sealing door connected with the preheating bin is opened, then the material is pushed into the preheating bin, then the feeding transition sealing door is closed, then heating is started (if the nitrogen is less, the nitrogen can be properly filled), after a certain time, the preheating is finished, the heating is stopped, and the heating time is set according to the technological requirements.
Vacuum heating of the bin: the main function of the bin is to dry the materials, so that the materials are heated and dried to meet the required technological requirements. Because the drying is carried out in the vacuum environment, the residual moisture can be dried more quickly, the materials which are easy to be oxidized under the heating condition are protected from being oxidized, the materials are ensured to meet the required process requirements, but the materials are not heated and dried for a long time in the section, and are transferred to a vacuum heat-preservation cabin after reaching a certain temperature.
The working process is as follows: after the preheating of the preheating bin is finished, a preheating sealing door connected with the vacuum heating bin is opened, then the materials are pushed into the vacuum heating bin, then the preheating sealing door is closed, then a heating and drying process is started (if the nitrogen is less, the nitrogen can be properly filled), after a certain time, the heating is finished, the heating is stopped, and the heating time is set according to the technological requirements.
Vacuum heat preservation bin: the main function of the bin is to keep the temperature of the materials for a long time, so that the materials can meet the process requirement of complete drying.
The working process is as follows: after the vacuum heating bin is heated, the heat-insulating sealing door connected with the vacuum heat-insulating bin is opened, the material is pushed into the vacuum heat-insulating bin, then the heat-insulating sealing door is closed, then a heating and drying process is started (if the nitrogen is less, the nitrogen can be properly filled), after a certain time, the heating is completed, the heating is stopped, the material is continuously pushed forwards, then the heating is performed, after a period of time, the heating is stopped, the material is pushed forwards, then the heating is performed, and the process is repeated.
A vacuum cooling area: the main effect of this storehouse is that the material cooling of letting long-time heating drying, and convenient subsequent process can go on smoothly, guarantees that the work piece that each drying was accomplished all is in normal atmospheric temperature or specific temperature when going out drying system.
The action flow is as follows: after the drying process of the vacuum heat-preservation bin is finished, a cooling sealing door connected with the vacuum cooling bin is opened, then the material is pushed into the vacuum cooling bin, then the cooling sealing door is closed, then the material is cooled (if the nitrogen is less, the nitrogen can be properly filled), after a certain time, the cooling is finished, and the cooling is stopped.
Discharging a transition bin: the main function of the section is similar to that of a feeding transition bin, and materials are not directly fed into or discharged from a vacuum drying bin group and are directly contacted with the atmosphere.
The action flow is as follows: the material is after the cooling of vacuum cooling district is accomplished, open its ejection of compact transition sealing door that links to each other with ejection of compact transition bin, then push into ejection of compact transition bin with the material frame, close the ejection of compact transition sealing door that has opened after that, then open the ejection of compact sealing door of the other end again (this moment, dry good material exposes in the air), with material propelling movement ejection of compact transition bin, then close the ejection of compact sealing door that has opened, the vacuum pump begins to extract the air of ejection of compact transition bin the inside after that, evacuation can be with the air that enters into ejection of compact transition bin after opening ejection of compact sealing door and take away. When the required vacuum degree is reached, the vacuumizing is stopped, then nitrogen is filled into the bin, the air is isolated, the materials are protected, and meanwhile, the air pressure can be balanced.
According to the full-automatic continuous vacuum drying system, the power roller sets connected with the feeding transition bin, the vacuum drying bin set and the discharging transition bin which are connected in sequence are arranged to automatically and continuously convey materials for drying, so that large-scale and continuous production can be realized, the production efficiency is improved, and the consistency and safety of dried articles are greatly improved; be applicable to automatic, large-scale drying process, simultaneously, through set up feeding transition bin and ejection of compact transition bin respectively at vacuum drying storehouse group both ends, vacuum pump and pump are connected to feeding transition bin and ejection of compact transition bin, make the material can both guarantee vacuum drying storehouse group and external isolated at feeding and ejection of compact in-process, can not mix external air, reduce the whole baking time of material, practice thrift the power consumption of toasting the flow, avoid secondary pollution, the product uniformity who toasts out is high, satisfy the drying performance requirement of product.
As an application of the embodiment of the invention, in the drying process of the battery cell, the embodiment of the invention realizes that the battery cell is completely isolated from the atmosphere in each drying process and in the transferring process, and no additional drying room is needed, so that the equipment investment of the drying room is reduced, and the energy consumption is greatly reduced; the method has the advantages that a high-vacuum low-dew-point environment is realized, the heating is rapid and uniform, the influence of moisture and gas impurities in the battery cell waiting for drying materials is effectively eliminated, the high-temperature characteristic and the high-frequency characteristic are improved, the power density is improved, the internal resistance is reduced, and the technical index of the battery is greatly improved; the uniformity control of the drying temperature is realized under the high vacuum condition, the qualification rate, the consistency and the service life of single batch and multi-batch products are greatly improved, and the method is an important method and means for forming large-scale production of the super capacitor and the lithium battery on the premise of high requirements; the production efficiency is improved by times compared with the traditional mode, and the automatic, high-standard and large-batch production device is suitable for the requirements of automation and high standards.
According to the full-automatic continuous vacuum drying system provided by the embodiment of the invention, the feeding transition bin, the vacuum drying bin group and the discharging transition bin which are sequentially connected are arranged, and the power roller groups which are respectively connected are arranged in the feeding transition bin, the vacuum drying bin group and the discharging transition bin and are used as material conveying mechanisms for continuously conveying materials among the bins, so that the whole drying process is automatically, continuously and massively produced, the labor is saved, the production efficiency is high, meanwhile, the vacuum degree of the product drying process is high due to the arrangement of the sealing door, the vacuum drying bin group and the vacuum pump, the energy consumption of repeated heating caused by intermittent operation due to equipment function factors in the drying production process is reduced, the production cost is reduced, and the drying effect of the product is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and scope of the present invention are intended to be included therein.
Claims (10)
1. A full-automatic continuous vacuum drying system comprises a frame, a drying bin group arranged on the frame, electrical equipment and an electric control system used for controlling the electrical equipment,
it is characterized in that the preparation method is characterized in that,
the drying bin group comprises: the feeding transition bin is arranged at the front section of the rack and used for feeding, the vacuum drying bin group is arranged at the middle section of the rack and communicated with the feeding transition bin through a feeding transition sealing door and used for heating and drying materials in a vacuum environment, and the discharging transition bin is arranged at the rear section of the rack and communicated with the vacuum drying bin group through a discharging transition sealing door and used for discharging;
the connection ends of the feeding transition bin and the discharging transition bin with the outside atmosphere are respectively provided with a feeding sealing door and a discharging sealing door;
the feeding transition bin, the vacuum drying bin group and the discharging transition bin are all provided with a vacuum pump and an air charging device which are connected with the outside through pipelines, the vacuum pump pumps away air in the feeding transition bin, the vacuum drying bin group and the discharging transition bin, so that the vacuum drying bin group is isolated from the outside atmosphere when the materials enter the vacuum drying bin group from the feeding transition bin or enter the discharging transition bin from the vacuum drying bin group, and meanwhile, the air charging device is used for charging nitrogen or inert gas into the vacuum drying bin group;
and material conveying mechanisms are respectively arranged in the feeding transition bin, the vacuum drying bin group and the discharging transition bin to enable the materials to be continuously input and output among the feeding transition bin, the vacuum drying bin group and the discharging transition bin.
2. The full-automatic continuous vacuum drying system according to claim 1, wherein the vacuum drying bin group comprises a preheating bin, a vacuum heating bin, a vacuum heat-preserving bin and a vacuum cooling bin which are connected in sequence, the feeding transition sealing door is arranged between the feeding transition bin and the preheating bin, a preheating sealing door is arranged between the preheating bin and the vacuum heating bin, a heat-preserving sealing door is arranged between the vacuum heating bin and the vacuum heat-preserving bin, a cooling sealing door is arranged between the vacuum heat-preserving bin and the vacuum cooling bin, and the discharging transition sealing door is arranged between the vacuum cooling bin and the discharging transition bin;
the preheating bin and the vacuum heating bin are provided with heating mechanisms for preheating and heating and drying the materials respectively.
3. The system according to claim 2, wherein the material conveying mechanism comprises a first power roller set arranged in the feeding transition bin, a second power roller set arranged in the preheating bin, a third power roller set arranged in the vacuum heating bin, a fourth power roller set arranged in the vacuum heat-preserving bin, a fifth power roller set arranged in the vacuum cooling bin, and a sixth power roller set arranged in the discharging transition bin, and the power roller sets are driven by a motor and a transmission mechanism connected with the motor.
4. The system according to claim 3, wherein the plurality of rollers in the first, second, third, fifth and sixth power roller sets are arranged in a horizontal line;
the multiple rollers of the fourth power roller group are arranged spirally, the materials are input from the upper ends of the spirally arranged rollers and output from the lower ends of the spirally arranged rollers, the corresponding feeding transition bin, the preheating bin and the vacuum heating bin are arranged at the upper part of the vacuum heat-preserving bin, and the vacuum cooling bin and the discharging transition bin are arranged at the lower part of the vacuum heat-preserving bin.
5. The system according to claim 3, wherein the transmission mechanism connected between the power roller set and the motor is a chain transmission mechanism.
6. The system of claim 1, wherein the inflator is an inflator or a filling gas supply.
7. The full-automatic continuous vacuum drying system according to claim 2, wherein the preheating bin and the vacuum heating bin are further provided with circulating fans for accelerating the circulation flow of the gas inside the preheating bin and outside the vacuum heating bin.
8. The full-automatic continuous vacuum drying system according to claim 2, wherein the feeding sealing door, the feeding transition sealing door, the preheating sealing door, the heat preservation sealing door, the cooling sealing door, the discharging transition sealing door and the discharging sealing door are respectively connected with a gear rack mechanism, and the gear rack mechanisms are respectively connected with a motor for driving the sealing door to open and close.
9. The full-automatic continuous vacuum drying system according to claim 2, wherein the feeding transition bin is connected with the feeding sealing door and the feeding transition sealing door, the preheating bin is connected with the feeding transition sealing door and the preheating sealing door, the vacuum heating bin is connected with the preheating sealing door and the heat-insulating sealing door, the vacuum heat-insulating bin is connected with the heat-insulating sealing door and the cooling sealing door, the vacuum cooling bin is connected with the cooling sealing door and the discharging transition sealing door, and the discharging transition bin is connected with the discharging transition sealing door and the discharging sealing door respectively and provided with sealing strips.
10. The system of claim 2, wherein the heating mechanism is a resistive heating tube or plate, a radiant heating mechanism, or an oil temperature heating mechanism.
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| CN201610689159.8A CN107764023A (en) | 2016-08-19 | 2016-08-19 | A kind of Full-automatic continuous vacuum drying system |
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| CN111879050A (en) * | 2020-08-31 | 2020-11-03 | 广东讴科冷链科技有限公司 | Full-automatic continuous vacuum cooling device and method applying same |
| CN111919949A (en) * | 2020-08-24 | 2020-11-13 | 普宁市梅乡食品有限公司 | Preserved fruit processing device with vacuum tasty and multi-gradient temperature control functions |
| CN112476915A (en) * | 2020-11-27 | 2021-03-12 | 山东赫尔希胶囊有限公司 | Low-temperature vacuum capsule drying system and drying process |
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| CN113091407A (en) * | 2021-05-11 | 2021-07-09 | 烟台天鹭食品有限公司 | Freeze-drying bin device |
| CN114655630A (en) * | 2022-01-26 | 2022-06-24 | 郑州市碧亮真空设备有限公司 | Closed-loop production line for continuously producing and processing freeze-dried products |
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Application publication date: 20180306 |