CN112857010A - Three-stage belt type infrared dryer with cooling and sterilizing device - Google Patents
Three-stage belt type infrared dryer with cooling and sterilizing device Download PDFInfo
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- CN112857010A CN112857010A CN202110277347.0A CN202110277347A CN112857010A CN 112857010 A CN112857010 A CN 112857010A CN 202110277347 A CN202110277347 A CN 202110277347A CN 112857010 A CN112857010 A CN 112857010A
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- 238000001816 cooling Methods 0.000 title claims abstract description 49
- 230000001954 sterilising effect Effects 0.000 title claims abstract description 36
- 238000001035 drying Methods 0.000 claims abstract description 104
- 239000000463 material Substances 0.000 claims abstract description 60
- 238000010438 heat treatment Methods 0.000 claims abstract description 29
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 19
- 238000009423 ventilation Methods 0.000 claims abstract description 13
- 230000000694 effects Effects 0.000 claims abstract description 7
- 238000010521 absorption reaction Methods 0.000 claims abstract description 4
- 238000004519 manufacturing process Methods 0.000 claims abstract 5
- 238000007599 discharging Methods 0.000 claims description 5
- 230000005855 radiation Effects 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000009825 accumulation Methods 0.000 claims 1
- 238000005496 tempering Methods 0.000 claims 1
- 238000001704 evaporation Methods 0.000 abstract description 2
- 235000013305 food Nutrition 0.000 abstract description 2
- 238000012856 packing Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 5
- 238000007602 hot air drying Methods 0.000 description 4
- 238000007603 infrared drying Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 244000241257 Cucumis melo Species 0.000 description 1
- 235000015510 Cucumis melo subsp melo Nutrition 0.000 description 1
- 244000061176 Nicotiana tabacum Species 0.000 description 1
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 1
- 244000269722 Thea sinensis Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 235000019198 oils Nutrition 0.000 description 1
- 229940126680 traditional chinese medicines Drugs 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
- F26B17/02—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by belts carrying the materials; with movement performed by belts or elements attached to endless belts or chains propelling the materials over stationary surfaces
- F26B17/04—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by belts carrying the materials; with movement performed by belts or elements attached to endless belts or chains propelling the materials over stationary surfaces the belts being all horizontal or slightly inclined
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
- A23L3/26—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by irradiation without heating
- A23L3/28—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by irradiation without heating with ultraviolet light
-
- 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
- F26B25/001—Handling, e.g. loading or unloading arrangements
- F26B25/002—Handling, e.g. loading or unloading arrangements for bulk goods
-
- 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
- F26B25/08—Parts thereof
- F26B25/12—Walls or sides; Doors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/28—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun
- F26B3/30—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun from infrared-emitting elements
Abstract
The invention relates to the field of food processing, in particular to a three-stage belt type infrared dryer with a cooling and sterilizing device. Mainly include drying chamber, heating system, conveying system, ventilation system, cooling sterilization system and control system, its characterized in that: tertiary drying is intensive drying respectively, and intermittent type drying and cooling are disinfected, combine different drying process to improve the drying effect and the quality of material, baffle box angularly adjustable among the conveying system avoids the material to pile up, controls material drying time and drying rate with the conveyer belt cooperation, ventilation system can discharge the box fast with vapor, avoids evaporating vapor to influence the absorption of material to infrared radiant energy, cooling sterilization system can be with the quick cooling of dry back material disinfect so that direct envelope packing. The drying machine disclosed by the invention has a good drying effect, reduces the labor intensity of workers, shortens the production period, is energy-saving, environment-friendly and less in thermal pollution, and meets the drying requirements of different materials.
Description
Technical Field
The invention relates to the technical field of food processing, in particular to a three-stage belt type infrared dryer with a cooling and sterilizing device.
Background
China is a traditional agricultural big country, so that the types of agricultural products needing to be dried and processed are various, the agricultural products comprise not only main agricultural products such as vegetables, melons and fruits, grains, oil crops and the like, but also agricultural and sideline products needing to be dried, such as tea leaves, tobaccos, traditional Chinese medicines and the like, and at present, the Chinese agricultural product processing technology still has huge appreciation space and development potential. However, with respect to the development of agricultural product drying technology, a large gap still exists between China and developed countries.
The infrared drying technology is widely researched and applied as an agricultural product drying technology, the temperature is quickly raised, the preheating time required by a drying facility is effectively shortened, the structure of the used drying equipment is simpler than that of other drying methods, the drying efficiency is high, and the investment and the occupied area of the equipment can be effectively saved; the infrared radiation has the advantages of directivity, capability of heating the local part and the like. The belt type drying equipment has the advantages of high drying speed, high evaporation intensity, good product quality and the like, which cannot be achieved by the traditional drying technology.
Chinese patent No. CN104296513A discloses an infrared dryer, which comprises a support, a conveying table top, a drying chamber, a motor frame, and a control panel, wherein the conveying table top is located on the upper portion of the support, the motor frame is arranged on one side of the support, the motor is connected with the conveying table top, the drying chamber is arranged on the conveying table top, the control panel is located on the uppermost portion of the drying chamber, a distribution box is arranged on the support, and infrared heating pipes are installed on two sides of the top of the drying chamber. The infrared drying and hot air drying are combined for drying, so that energy is saved, but the structure is smaller, the quantity of materials to be dried at one time is less, the power of an infrared heating element is the same, and the most suitable drying environment cannot be provided for different materials.
Chinese patent No. cn200720034390.x discloses a multi-layer belt dryer, in which each conveyor belt in a box body has a running direction opposite to the entering direction of hot air, so that the material can move reversely relative to the dry hot air. Incoming hot dry air and side hot dry air blow away the material on the conveyor belt to evaporate the moisture. Heating is then continued and recovered. The hot air drying device adopts a hot air drying mode, is simple in structure, can effectively keep the prototype of the material in the drying process, but is large in hot air drying heat pollution and poor in drying effect.
Chinese patent No. CN110822836 discloses an external heating temperature control structure of a mesh belt type dryer, wherein a transmission mesh belt of a mesh belt conveyor is composed of an upper mesh belt and a lower mesh belt which are integrated with each other. The invention can adjust the drying temperature in each mesh belt conveyor through the air adjusting valve, can select proper drying temperature according to the drying characteristics of different materials, is convenient for optimally drying the materials on the mesh belt conveyor, but does not have a cooling sterilization device, and the product needs further processing and has complicated working procedures.
Disclosure of Invention
In order to solve the problems of low efficiency, environmental pollution and poor drying effect of the traditional drying mode, the invention provides the following technical scheme: a three-level belt type infrared dryer with a cooling and sterilizing device mainly comprises a feeding hole (5), a discharging hole (1), a drying chamber, a heating system, a conveying system, a ventilation system, a cooling and sterilizing system and a control system, wherein the drying chamber comprises a drying chamber I (9), a drying chamber II (20) and a drying chamber III (21), the heating system comprises a heating system I, a heating system II and a heating system III which are respectively arranged at the top of each level of drying chamber and comprise a plurality of infrared heaters, the conveying system is arranged at the bottom of the drying chamber and comprises a conveying belt (13), a motor (16) and a material guide groove (12); the ventilation system is arranged on the side wall of the drying chamber, has the same wind direction as the material flowing direction and comprises an axial flow fan (2) and an outer cover (4); the cooling and sterilizing system is arranged at the top of the grade III drying chamber (9) and comprises a cooling fan (11), an air inlet (3) and an ultraviolet lamp (10); the control system comprises a control box (8) and a control panel (7).
In actual use
The utility model provides a be equipped with cooling sterilization device's tertiary belt infrared drying machine, the convenient loading material of feed inlet, the drying chamber provides dry space for the material, drying process and drying effect can be observed to the observation window, heating system provides the dry required energy of material, thereby conveying system drives the material and advances and realize continuous drying, unnecessary vapor of drying chamber is got rid of to ventilation system, the material of being convenient for is to the absorption of radiant energy, cooling sterilization system cools off the material after the drying and disinfects, the discharge gate is carried the dry good material that disinfects the cooling to the drying machine outside, control system can controlgear open and close, the functioning speed and the baffle box angle of every conveyer belt, axial fan and cooling blower rotational speed etc..
When the device is running
The drying machine is firstly opened, corresponding drying parameters are set on a control panel, such as power of an infrared heater, belt speed of a conveyor belt and the like, then materials are put in from a feeding hole, the drying condition of the materials is observed through an observation window, a heating system starts to work to dry the materials, the materials are gradually conveyed downwards from a drying chamber at the uppermost layer by a conveying system, the materials are guided into a drying chamber at the next layer by a guide chute, water vapor generated in the process is discharged out of the machine body through a ventilation system, cooling sterilization is carried out by a cooling sterilization system after the materials are dried, and then the materials are conveyed out of the machine body through a discharging hole.
Drawings
FIG. 1 is a shaft side view of a three-stage belt type infrared dryer equipped with a cooling and sterilizing device
FIG. 2 is a sectional view of a three-stage belt type infrared dryer equipped with a cooling and sterilizing device
FIG. 3 is a partial cross-sectional view of a left side view of a three-stage belt type infrared dryer equipped with a cooling and sterilizing device
FIG. 4 is a schematic view of a drying zone and a buffer zone
FIG. 5 is a top view of an infrared heater
FIG. 6 is a front view of the cooling sterilizer
FIG. 7 is a plan view of the cooling and sterilizing apparatus
FIG. 8 is a partial cross-sectional side view of the cooling sterilizer
1-discharge port shown in the figure; 2-an axial flow fan; 3-an air inlet; 4-outer cover; 5-a feed inlet; 6-observation window; 7-a control panel; 8-a control box; 9-drying chamber I; 10-an ultraviolet lamp; 11-a cooling fan; 12-a material guide groove; 13-a conveyor belt; 14-an infrared radiation plate; 15-heating the tube; 16-an electric machine; 17-roller supporting seats; 18-a roller; 19-a frame; 20-drying chamber II; 21-drying chamber III; 22-a fan guard; 23-a drying zone; 24-buffer.
Detailed Description
The preferred embodiments of the present invention are described in detail below
A three-level belt type infrared dryer with a cooling and sterilizing device mainly comprises a feeding hole (5), a discharging hole (1), a drying chamber, a heating system, a conveying system, a ventilation system, a cooling and sterilizing system and a control system, wherein the drying chamber comprises a drying chamber I (9), a drying chamber II (20) and a drying chamber III (21), the heating system comprises a heating system I, a heating system II and a heating system III which are respectively arranged at the top of each level of drying chamber and comprise a plurality of infrared heaters, the conveying system is arranged at the bottom of the drying chamber and comprises a conveying belt (13), a motor (16) and a material guide groove (12); the ventilation system is arranged on the side wall of the drying chamber, has the same wind direction as the material flowing direction and comprises an axial flow fan (2) and an outer cover (4); the cooling and sterilizing system is arranged at the top of the grade III drying chamber (9) and comprises a cooling fan (11), an air inlet (3) and an ultraviolet lamp (10); the control system comprises a control box (8) and a control panel (7).
In actual use
The utility model provides a be equipped with cooling sterilization device's tertiary belt infrared drying machine, the feed inlet is used for the loading material, the drying chamber provides dry space for the material, drying process and drying effect can be observed to the observation window, heating system provides the dry required energy of material, thereby conveying system drives the material and advances to realize continuous drying, unnecessary vapor of drying chamber is got rid of to ventilation system, the material of being convenient for is to the absorption of radiant energy, cooling sterilization system cools off the material after the drying, the discharge gate carries the good material of drying sterilization cooling to the drying machine outside, control system can controlgear open and close, the functioning speed and the baffle box angle of every conveyer belt, axial fan and cooling blower rotational speed etc..
When the device is running
The drying machine is firstly opened, corresponding drying parameters are set on a control panel, such as power of an infrared heater, belt speed of a conveyor belt and the like, then materials are put in from a feeding hole, the drying condition of the materials is observed through an observation window, a heating system starts to work to dry the materials, the materials are gradually conveyed downwards from a drying chamber at the uppermost layer by a conveying system, the materials are guided into a drying chamber at the next layer by a guide chute, water vapor generated in the process is discharged out of the machine body through a ventilation system, cooling sterilization is carried out by a cooling sterilization system after the materials are dried, and then the materials are conveyed out of the machine body through a discharging hole.
Claims (6)
1. A three-level belt type infrared dryer with a cooling and sterilizing device mainly comprises a feeding hole (5), a discharging hole (1), a drying chamber, a heating system, a conveying system, a ventilation system, a cooling and sterilizing system and a control system, wherein the drying chamber comprises a drying chamber I (9), a drying chamber II (20) and a drying chamber III (21), the heating system comprises a heating system I, a heating system II and a heating system III which are respectively arranged at the top of each level of drying chamber and comprise a plurality of infrared heaters, the conveying system is arranged at the bottom of the drying chamber and comprises a conveying belt (13), a motor (16) and a material guide groove (12); the ventilation system is arranged on the side wall of the drying chamber, has the same wind direction as the material flowing direction and comprises an axial flow fan (2) and an outer cover (4); the cooling and sterilizing system is arranged at the top of the grade III drying chamber (9) and comprises a cooling fan (11), an air inlet (3) and an ultraviolet lamp (10); the control system comprises a control box (8) and a control panel (7).
2. The three-stage belt type infrared dryer with the cooling sterilization device as claimed in claim 1, wherein the drying chamber is provided with a drying area (23) and a buffer area (24) on a conveyor belt, wherein the single drying area (23) occupies a length a on the conveyor belt to receive uniform energy radiation of the infrared heater, the single buffer area (24) occupies a length b on the conveyor belt to receive no energy radiation, wherein 80cm a is equal to or more than 50cm and b =0 in the drying chamber I, 75cm a is equal to or more than 45cm and 20cm b is equal to or more than 10cm in the drying chamber II, 70cm a is equal to or more than 40cm and 30cm b is equal to or more than 20cm in the drying chamber III, the single power of the infrared heater in the heating system I is 400-charge 500W, the single power of the infrared heater in the heating system II is 300-charge 400W, the single power of the infrared heater in the heating system III is 200-charge 300W, the distance and the number of the infrared heaters can be configured according to the requirements of different drying stages, so that proper conditions and a tempering period are provided for continuous drying of the materials, and the drying effect and the quality of the materials are improved.
3. The three-stage belt type infrared dryer equipped with a cooling sterilization device as claimed in claim 1, wherein: the angle between the material guide groove (12) and the horizontal direction is alpha, the alpha range is 30-75 degrees, so that the material guide groove can adapt to the friction angle of different materials to avoid material accumulation, and the material guide groove is matched with the belt speed to control the drying time of the materials and the production rate.
4. The three-stage belt type infrared dryer equipped with a cooling sterilization device as claimed in claim 1, wherein: the ventilation system comprises an axial flow fan (2) and an outer cover (4), the axial flow fan is arranged on the side wall of the drying chamber, the wind direction of the axial flow fan is the same as the material flow direction, and water vapor generated in the drying process can be discharged out of the machine body, so that the influence of the water vapor on the absorption of the material on infrared radiation energy is prevented.
5. The three-stage belt type infrared dryer equipped with a cooling sterilization device as claimed in claim 1, wherein: the cooling sterilization system is arranged at the top of the drying chamber III and comprises a cooling fan (11) and ultraviolet lamps (10), the number of the cooling fan and the number of the ultraviolet lamps can be configured along with actual production requirements, and dried materials can be cooled and subjected to ultraviolet sterilization so as to be directly packaged and sealed, production steps are reduced, the production period of products is shortened, and the efficiency is improved.
6. The multi-layer belt infrared dryer of claim 1, wherein: the control system comprises a control box (8) and a control panel (7), can control the opening and closing of equipment and a cooling sterilization system, can control the power independently or by using a plurality of infrared heaters as a group, can respectively control the speed of a conveyor belt, has a control range of 0-0.15 m/s, can respectively control the angle alpha of a material guide groove, has an alpha control range of 30-75 degrees, can realize three-level control of the rotating speed of the axial flow fan, has a first level of 500 r/min, a second level of 1000 r/min and a third level of 1500 r/min, can realize three-level control of the rotating speed of the cooling fan, has a first level of 400 r/min, a second level of 700 r/min and a third level of 1000 r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110277347.0A CN112857010A (en) | 2021-03-15 | 2021-03-15 | Three-stage belt type infrared dryer with cooling and sterilizing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110277347.0A CN112857010A (en) | 2021-03-15 | 2021-03-15 | Three-stage belt type infrared dryer with cooling and sterilizing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112857010A true CN112857010A (en) | 2021-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110277347.0A Pending CN112857010A (en) | 2021-03-15 | 2021-03-15 | Three-stage belt type infrared dryer with cooling and sterilizing device |
Country Status (1)
| Country | Link |
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| CN (1) | CN112857010A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113142518A (en) * | 2021-05-06 | 2021-07-23 | 石河子大学 | Crisp fruit and vegetable slice processing method and three-stage belt type infrared dryer adapting to method |
| CN113521325A (en) * | 2021-09-09 | 2021-10-22 | 江苏众拾家居科技有限公司 | Steam sterilizing device for furniture surface cloth production |
| CN116473253A (en) * | 2023-04-27 | 2023-07-25 | 名沙食品（江苏）有限公司 | Drying machine for preparing dried fruits and vegetables |
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| DE4301993A1 (en) * | 1993-01-26 | 1994-07-28 | Anton Eyerle | Contra flow belt dryer esp. for grass and similar crops |
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| CN207335358U (en) * | 2017-09-29 | 2018-05-08 | 香格里拉市向忠农业综合服务有限公司 | A kind of pepper drying unit |
| CN109631551A (en) * | 2018-11-22 | 2019-04-16 | 禹州市金博发制品有限公司 | A kind of wig drying device |
| CN111336804A (en) * | 2020-04-21 | 2020-06-26 | 云南天然橡胶产业集团西双版纳景阳有限公司 | Drying system for standard glue |
| KR20200081614A (en) * | 2018-12-27 | 2020-07-08 | 주식회사 한국종합플랜트 | Apparatus for treating organic waste with several layer drier of hybrid belt type |
| CN211204802U (en) * | 2019-10-23 | 2020-08-07 | 温州修文食品有限公司 | Automatic drying machine |
| CN216814959U (en) * | 2021-03-15 | 2022-06-24 | 石河子大学 | Three-stage belt type infrared dryer with cooling and sterilizing device |
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2021
- 2021-03-15 CN CN202110277347.0A patent/CN112857010A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE4301993A1 (en) * | 1993-01-26 | 1994-07-28 | Anton Eyerle | Contra flow belt dryer esp. for grass and similar crops |
| CN201014905Y (en) * | 2007-02-09 | 2008-01-30 | 王明根 | Multi-layer belt type drying machine |
| CN203672081U (en) * | 2013-09-26 | 2014-06-25 | 湖南阳东微波科技有限公司 | Multilayer microwave dryer |
| CN104896901A (en) * | 2015-05-12 | 2015-09-09 | 绍兴海邦药业有限公司 | Circulation type high-efficiency capsule drying device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113142518A (en) * | 2021-05-06 | 2021-07-23 | 石河子大学 | Crisp fruit and vegetable slice processing method and three-stage belt type infrared dryer adapting to method |
| CN113521325A (en) * | 2021-09-09 | 2021-10-22 | 江苏众拾家居科技有限公司 | Steam sterilizing device for furniture surface cloth production |
| CN116473253A (en) * | 2023-04-27 | 2023-07-25 | 名沙食品（江苏）有限公司 | Drying machine for preparing dried fruits and vegetables |
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