CN102487993A - Solar fruit and vegetable hot air vacuum combined drying equipment and drying method - Google Patents
Solar fruit and vegetable hot air vacuum combined drying equipment and drying method Download PDFInfo
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- CN102487993A CN102487993A CN2011103994655A CN201110399465A CN102487993A CN 102487993 A CN102487993 A CN 102487993A CN 2011103994655 A CN2011103994655 A CN 2011103994655A CN 201110399465 A CN201110399465 A CN 201110399465A CN 102487993 A CN102487993 A CN 102487993A
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Abstract
The invention discloses solar fruit and vegetable hot air vacuum combined drying equipment and a drying method. The solar fruit and vegetable hot air vacuum combined drying equipment mainly comprises an air pre-heater, an intelligent controller, a solar water heater, a vacuum pump, a water catcher, a drying box, a hot air auxiliary heater, a draught fan and the like. A 'hot air-vacuum' combined drying technology is adopted, not only can the advantages of high drying efficiency and good economy of 'hot air' be displayed, but also the advantages of dryness, sanitation, sterilization, freshness preservation, low temperature, high efficiency and the like 'vacuum' can be utilized, so that not only can the final product which is dried maintain the original color, flavor, taste and appearance, but also various physical activity nutrients in fruit and vegetables can be best preserved; solar energy serves as a main drying heat source, so that solar radiant energy can be fully utilized, a lot of conventional energy can be saved, energy is saved, environment is protected and economic benefits are significant; and an automatic control technology is adopted, so that the automation degree of the equipment is high, and the operation is simple and convenient.
Description
Technical field
The invention belongs to the fruit and vegetable dryness processing technique field, be specifically related to a kind of solar energy fruits and vegetables hot blast vacuum combination drying equipment, the invention still further relates to and adopt the said equipment to carry out dry method.
Background technology
Fruits and vegetables are a kind of typical heat sensitive materials, and its nutritional labeling very easily runs off along with the raising of baking temperature; The fruits and vegetables water content is big simultaneously, and it is a big energy consumption and time-consuming operating process that fruits and vegetables are carried out drying and dehydrating.In the fruit and vegetable dryness dehydration, how cutting down the consumption of energy, improving drying efficiency and preserve its nutritional labeling is the three big difficult points that the fruit and vegetable dryness deep processing must overcome.The main processing mode of fruit and vegetable dryness is to adopt conventional heated-air drying at present, and product quality can not get guaranteeing; Perhaps adopt the vacuum freeze drying mode, though quality is guaranteed, energy consumption is very high, inefficiency.
Solar energy drying can make full use of solar radiant energy as the dry technology of the emerging clean environmental protection of a kind of efficient energy-saving, can save conventional energy resource, remarkable in economical benefits in a large number; Adopt solar drying apparatus, product is carried out drying operation, have short, drying efficiency advantages of higher arid cycle.
Vacuum drying technique utilizes the principle of moisture boiling point step-down under the low pressure, and the wet stock that contains with certain form is dehydrated.Owing to seething with excitement, the moisture in the material (40～60 ℃) under lower temperature evaporates in the process of vacuum drying; This makes that the goods color of being processed is all good; Basically keep Material Characteristics and nutritional labeling after the rehydration, be adapted to the drying processing of this heat sensitive material of fruits and vegetables especially.Through the fruits and vegetables of vacuum dehydration, water content can reach 3%～5%, make product be able to longer preservation, but vacuum drying energy consumption cost is than higher.
Combination drying is meant and adopts different drying methods to the use that combines of two or more dried forms at different drying stages.It can bring into play the advantage of various drying modes, realizes having complementary advantages that the shortcoming of avoiding single drying mode to bring reaches single dry inaccessiable purpose.For example: the present invention adopts " hot blast-vacuum " combination drying technology; Both can bring into play the advantage of " hot blast " drying efficiency height, good economy performance; " vacuum " also capable of using dry health, sterilization, fresh-keeping, low temperature, strong point such as efficient; The final products that drying is obtained can not only keep original color, shape, and can preserve various physiologically active nutritional labelings in the fruits and vegetables to greatest extent; Simultaneously, also, make the present invention also have the advantage of energy-saving and environmental protection because employing solar energy is drying source.
Summary of the invention
The purpose of this invention is to provide a kind of solar energy fruits and vegetables hot blast vacuum combination drying equipment, solved fruits and vegetables traditional heated air drying quality low, pollute greatly, the vacuum freeze drying energy consumption is high, inefficient problem.
Another object of the present invention provides and adopts the said equipment to carry out dry method.
The technical scheme that the present invention adopted is, a kind of solar energy fruits and vegetables hot blast vacuum combination drying equipment comprises drying box, and heat(ing) coil is installed in the drying box, and heat(ing) coil is provided with the material disc that is used to place material; The drying box top has vacuum orifice and moisture exhausting port, and vacuum orifice is connected with water vessel and vavuum pump through the vacuum dehumidification tube successively, and the vacuum dehumidification tube is provided with vacuum hydrofuge control valve; The moisture exhausting port place is equipped with hydrofuge shutter and wet-emitting blower, and moisture exhausting port is connected with air preheater through exhaust duct;
The cold fluid outlet of air preheater links to each other with the hot blast import of drying box through blast pipe; Be provided with the equal wind passage that is connected with blast pipe in the drying box bottom surface;
One side of drying box is provided with solar water heater; Solar water heater comprises the water tank that is fixed on solar energy bearing top, and the below of water tank is connected with the solar vacuum hot water pipe, and electric heater is housed in the water tank; Tank top is connected to filling pipe; The water tank bottom side is connected with the interior heat(ing) coil of drying box through the high temperature water inlet pipe, and the other end of heat(ing) coil is that the cold water outlet is connected with water pump through the low temperature return pipe, and water pump is connected with the water tank top side portion through the low temperature return pipe;
The outer surface panel of drying box is provided with intelligent controller, and a side of drying box has chamber door.
Another technical scheme that the present invention adopted is, a kind of solar energy fruits and vegetables hot blast vacuum combination drying means is specifically implemented according to following steps:
The fruit vegetable materials that will be dried is packed in the drying box, closes chamber door, carries out heated-air drying earlier: open the air draft control valve through intelligent controller, close vacuum hydrofuge control valve; Open air-introduced machine, wet-emitting blower and water pump, ambient, cool air gets into air preheater from air inlet, earlier by the used heat wind institute preheating of row's self-desiccation case; Be pressed in the drying box by air-introduced machine then, through all from heat(ing) coil acquisition heat fruits and vegetables being carried out heated-air drying behind the even wind of wind passage; Dried used heat wind is by the wet-emitting blower suction; The hydrofuge shutter is opened, and removes the preheating cold air in the air preheater, simultaneously; Hot water in the water tank gets into the heat(ing) coil in the drying box through the high temperature water inlet pipe; Heat(ing) coil discharges the heat of hot water to hot blast and material and carries out drying, and the hot water temperature behind the released heat reduces and becomes cold water and flow out from the other end of heat(ing) coil, is reheated utilization through water pump suction streams recovery tank;
When the fruit vegetable materials heated-air drying when water content is 40～60% degree; Get into second stage vacuum drying: open vacuum hydrofuge control valve through intelligent controller; Close air draft control valve and volume control damper; Open water pump, vavuum pump and water vessel then successively, the dry materials vapor evaporated is removed through the vacuum dehumidification tube in the drying box;
Equipment in the course of the work; If drying box inner drying temperature is too high, temperature is higher than 40～60 ℃ during vacuum drying, and temperature is higher than 60～80 ℃ during heated-air drying; Turn down flow by sending instruction behind the intelligent controller collection signal, otherwise then will transfer big to hot water control valve's flow to the hot water control valve; When the flow of giving the hot water control valve is transferred to maximum; When drying box inner drying temperature can't reach requirement; This moment is if be in the vacuum drying stage; Then send instruction startup electric heater and carry out assistant heating,, start the hot blast auxiliary heater and carry out assistant heating if be in the heated-air drying stage by intelligent controller;
Equipment when the water level in the water tank is lower than required value, then sends instruction unpack moisturizing control valve by intelligent controller in the course of the work, through filling pipe water tank is carried out moisturizing.
Characteristics of the present invention also are,
Exhaust duct wherein is provided with the air draft control valve.
On blast pipe wherein and the pipeline that drying box is connected air-introduced machine, hot blast auxiliary heater and volume control damper are installed successively.
The moisturizing control valve is installed on the filling pipe wherein.
Be equipped with to the hot water control valve on the high temperature water inlet pipe wherein.
Solar vacuum hot water pipe wherein becomes 25～45 ° of angles with ground.
The invention has the beneficial effects as follows that solar utilization technique, combination drying technology, energy recovery is technological, vacuum technique and automatic control technology organically combine and synthetically apply to the fruit and vegetable dryness process, have following advantage:
1) the present invention is main drying source with solar energy, can make full use of solar radiant energy, can save conventional energy resource in a large number, energy-saving and environmental protection, remarkable in economical benefits;
2) the present invention adopts air preheater to reclaim the waste heat in the used heat wind, has further improved capacity usage ratio, has reduced the energy consumption in the dry run significantly, has realized energy-conservation production;
3) differently with traditional fruits and vegetables combination drying be; The present invention need not carry and cloth fruit vegetable materials when carrying out drying mode conversion (hot blast converts vacuum drying into) again; Saved man power and material's cost, reduced fruit vegetable materials because of carrying the loss that brings with cloth again;
4) the present invention adopts " hot blast-vacuum " combination drying technology; Both can bring into play the advantage of " hot blast " drying efficiency height, good economy performance; " vacuum " also capable of using dry health, sterilization, fresh-keeping, low temperature, strong point such as efficient; The final products that drying is obtained can not only keep original color, shape, and can preserve various physiologically active nutritional labelings in the fruits and vegetables to greatest extent;
5) the present invention adopts automatic control technology, thereby makes automation degree of equipment high, simple to operation.
Description of drawings
Fig. 1 is the structural representation of solar energy fruits and vegetables hot blast vacuum combination drying equipment of the present invention.
Among the figure, 1. air preheater, 2. exhaust duct, 3. air draft control valve, 4. wet-emitting blower, 5. material and material disc, 6. chamber door; 7. intelligent controller, 8. equal wind passage, 9. the high temperature water inlet pipe is 10. given hot water control valve, 11. solar water heaters, 12. electric heaters; 13. the solar vacuum hot water pipe, 14. solar energy bearings, 15. moisturizing control valves, 16. filling pipes, 17. water tanks, 18. water pumps; 19. the low temperature return pipe, 20. vavuum pumps, 21. water vessels, 22. vacuum dehumidification tubes, 23. vacuum hydrofuge control valves, 24. hydrofuge shutters; 25. heat(ing) coil, 26. drying boxes, 27. volume control dampers, 28. hot blast auxiliary heaters, 29. air-introduced machines, 30. blast pipes.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is elaborated.
The structure of solar energy fruits and vegetables hot blast vacuum combination drying equipment of the present invention, as shown in Figure 1, comprise air preheater 1, intelligent controller 7, solar water heater 11, vavuum pump 20, water vessel 21, drying box 26, hot blast auxiliary heater 28, air-introduced machine 29 etc.Wherein, Heat(ing) coil 25 is installed in the drying box 26, and material and material disc 5 have been put in heat(ing) coil 25 tops, and drying box 26 tops have vacuum orifice and moisture exhausting port; The moisture exhausting port place is equipped with a hydrofuge shutter 24 and wet-emitting blower 4, and drying box 26 bottom face are provided with equal wind passage 8; Drying box 26 moisture exhausting ports are externally connected with exhaust duct 2, and air draft control valve 3 is installed on the exhaust duct 2; When equipment is in heated-air drying is to make full use of the waste heat of discharging in the hot blast during stage; Exhaust duct 2 not directly with communicate with ambient air; But be connected with the hot fluid import of air preheater 1; The hot fluid outlet of air preheater 1 is the exhaust outlet of this equipment, and the cold fluid import of air preheater 1 is the air inlet of this equipment, communicates with ambient air; The cold fluid outlet of air preheater 1 links to each other with the hot blast import of drying box 26 through blast pipe 30; Be provided with the equal wind passage 8 that is connected with blast pipe 30 in drying box 26 bottom surfaces, on blast pipe 30 and the pipeline that drying box 26 is connected air-introduced machine 29, hot blast auxiliary heater 28 and volume control damper 27 be installed successively; Hot blast auxiliary heater 28 be installed mainly be the needs of considering that overcast and rainy this equipment can also continuous operation.
The vacuum orifice at drying box 26 tops is connected with vacuum dehumidification tube 22, and vacuum hydrofuge control valve 23 is installed on the vacuum dehumidification tube 22; When equipment is in vacuum drying during the stage, being connected with water vessel 21 and vavuum pump 20 through vacuum dehumidification tube 22 vacuumizes, and can remove vapor evaporated in the drying box 26, and makes and reach needed vacuum in the case.Solar water heater 11 comprises water tank 17, solar vacuum hot water pipe 13, solar energy bearing 14 etc.; Water tank 17 is fixed on solar energy bearing 14 tops and links to each other with solar vacuum hot water pipe 13 upper ends, and solar vacuum hot water pipe 13 is 25～45 ° of angles with ground; Consider that overcast and rainy this equipment can proceed vacuum drying, an electric heater 12 is housed in water tank 17; For remedying the water consumption, be connected to a filling pipe 16 at water tank 17 tops, a moisturizing control valve 15 is installed on the filling pipe 16; Water tank 17 bottom side are connected with drying box 26 interior heat(ing) coils 25 through a high temperature water inlet pipe 9, are equipped with one on the high temperature water inlet pipe 9 and give hot water control valve 10; The other end of heat(ing) coil 25 is that the cold water outlet is connected with water pump 18 through low temperature return pipe 19, and water pump 18 is connected with water tank 17 top side portion through low temperature return pipe 19.Intelligent controller 7 is fixed on drying box 26 panels; The right side of drying box 26 has the good chamber door of sealing 6.
The present invention is when carrying out fruit and vegetable dryness, and its drying means is following: the fruit vegetable materials that will be dried is packed in the drying box 26, closes chamber door 6.Carry out heated-air drying earlier: open air draft control valve 3 through intelligent controller 7, close vacuum hydrofuge control valve 23; Open air-introduced machine 29, wet-emitting blower 4 and water pump 18, ambient, cool air gets into air preheater 1 from air inlet, earlier by the used heat wind institute preheating of row's self-desiccation case 26; Be pressed in the drying box 26 by air-introduced machine 29 then, through all from heat(ing) coil 25 acquisition heats fruits and vegetables being carried out heated-air drying behind the wind passage 8 even wind; Dried used heat wind is by removing the preheating cold air in wet-emitting blower 4 suction (hydrofuge shutter 24 the is opened automatically) air preheater 1.Simultaneously; The heat(ing) coil 25 that hot water in the water tank 17 gets in the drying box 26 through high temperature water inlet pipe 9; Heat(ing) coil 25 discharges the heat of hot water to hot blast and material and carries out drying; Hot water temperature behind the released heat reduces and becomes the other end outflow of cold water from heat(ing) coil 25, is reheated utilization through water pump 18 suction streams recovery tanks 17.
When the fruit vegetable materials heated-air drying arrives to a certain degree; Then get into second stage vacuum drying: open vacuum hydrofuge control valve 23 through intelligent controller 7; Close air draft control valve 3 and volume control damper 27, open water pump 18, vavuum pump 20 and water vessel 21 then successively, this moment is because effective work of vavuum pump 20 and water vessel 21; The dry materials vapor evaporated will be removed through vacuum dehumidification tube 22 very soon in the drying box 26, makes and keeps needed constant vacuum in the case.The needed heat of vacuum drying is the same during with heated-air drying, is provided through heat(ing) coil 25 by solar water heater 11.
Equipment if drying box 26 inner drying temperature are too high, then turn down the flow to hot water control valve 10 by sending instruction behind the intelligent controller 7 collection signals, otherwise then will transfer big to hot water control valve 10 flow in the course of the work; When the flow of giving hot water control valve 10 is transferred to maximum, when drying box 26 inner drying temperature can't reach requirement, show that then dry environmental working condition is undesirable; Not enough like rainy weather or sunlight; If then by intelligent controller 7 send instruction startup electric heater 12 carry out assistant heating, be in heated-air drying stage if be in the vacuum drying stage this moment; Consider economy, also can start boiler vapor source hot blast auxiliary heater 28 and carry out assistant heating.
Equipment in the course of the work, the water in the water tank 17 has certain loss, when water level is lower than required value, then sends instruction unpack moisturizing control valve 15 by intelligent controller 7, carries out moisturizing through 16 pairs of water tanks of filling pipe 17.
Claims (8)
1. a solar energy fruits and vegetables hot blast vacuum combination drying equipment is characterized in that, comprises drying box (26), and heat(ing) coil (25) is installed in the drying box (26), and heat(ing) coil (25) is provided with the material disc (5) that is used to place material; Drying box (26) top has vacuum orifice and moisture exhausting port, and vacuum orifice is connected with water vessel (21) and vavuum pump (20) through vacuum dehumidification tube (22) successively, and vacuum dehumidification tube (22) is provided with vacuum hydrofuge control valve (23); The moisture exhausting port place is equipped with hydrofuge shutter (24) and wet-emitting blower (4), and moisture exhausting port is connected with air preheater (1) through exhaust duct (2);
The cold fluid outlet of air preheater (1) links to each other through the hot blast import of blast pipe (30) with drying box (26); Be provided with the equal wind passage (8) that is connected with blast pipe (30) in drying box (26) bottom surface;
One side of drying box (26) is provided with solar water heater (11); Solar water heater (11) comprises the water tank (17) that is fixed on solar energy bearing (14) top; The below of water tank (17) is connected with solar vacuum hot water pipe (13); Electric heater (12) is housed in the water tank (17), and water tank (17) top is connected to filling pipe (16), and water tank (17) bottom side is connected with the interior heat(ing) coil (25) of drying box (26) through high temperature water inlet pipe (9); The other end of heat(ing) coil (25) is that the cold water outlet is connected with water pump (18) through low temperature return pipe (19), and water pump (18) is connected with water tank (17) top side portion through low temperature return pipe (19);
The outer surface panel of drying box (26) is provided with intelligent controller (7), and a side of drying box (26) has chamber door (6).
2. solar energy fruits and vegetables hot blast vacuum combination drying equipment according to claim 1 is characterized in that described exhaust duct (2) is provided with air draft control valve (3).
3. solar energy fruits and vegetables hot blast vacuum combination drying equipment according to claim 1; It is characterized in that, on described blast pipe (30) and the pipeline that drying box (26) is connected air-introduced machine (29), hot blast auxiliary heater (28) and volume control damper (27) are installed successively.
4. solar energy fruits and vegetables hot blast vacuum combination drying equipment according to claim 1 is characterized in that, moisturizing control valve (15) is installed on the described filling pipe (16).
5. solar energy fruits and vegetables hot blast vacuum combination drying equipment according to claim 1 is characterized in that, is equipped with to the hot water control valve (10) on the described high temperature water inlet pipe (9).
6. solar energy fruits and vegetables hot blast vacuum combination drying equipment according to claim 1 is characterized in that described solar vacuum hot water pipe (13) becomes 25～45 ° of angles with ground.
7. solar energy fruits and vegetables hot blast vacuum combination drying means; It is characterized in that; Adopted a kind of solar energy fruits and vegetables hot blast vacuum combination drying equipment; Its structure is: comprise drying box (26), heat(ing) coil (25) is installed in the drying box (26), heat(ing) coil (25) is provided with the material disc (5) that is used to place material; Drying box (26) top has vacuum orifice and moisture exhausting port, and vacuum orifice is connected with water vessel (21) and vavuum pump (20) through vacuum dehumidification tube (22) successively, and vacuum dehumidification tube (22) is provided with vacuum hydrofuge control valve (23); The moisture exhausting port place is equipped with hydrofuge shutter (24) and wet-emitting blower (4), and moisture exhausting port is connected with air preheater (1) through exhaust duct (2), and exhaust duct (2) is provided with air draft control valve (3);
The cold fluid outlet of air preheater (1) links to each other through the hot blast import of blast pipe (30) with drying box (26); Be provided with the equal wind passage (8) that is connected with blast pipe (30) in drying box (26) bottom surface, on blast pipe (30) and the pipeline that drying box (26) is connected air-introduced machine (29), hot blast auxiliary heater (28) and volume control damper (27) be installed successively;
One side of drying box (26) is provided with solar water heater (11); Solar water heater (11) comprises the water tank (17) that is fixed on solar energy bearing (14) top; The below of water tank (17) is connected with solar vacuum hot water pipe (13); Electric heater (12) is housed in the water tank (17), and water tank (17) top is connected to filling pipe (16), and moisturizing control valve (15) is installed on the filling pipe (16); Water tank (17) bottom side is connected with the interior heat(ing) coil (25) of drying box (26) through high temperature water inlet pipe (9); Be equipped with on the high temperature water inlet pipe (9) to the hot water control valve (10), the other end of heat(ing) coil (25) is that the cold water outlet is connected with water pump (18) through low temperature return pipe (19), and water pump (18) is connected with water tank (17) top side portion through low temperature return pipe (19);
The outer surface panel of drying box (26) is provided with intelligent controller (7), and a side of drying box (26) has chamber door (6);
Specifically implement according to following steps:
The fruit vegetable materials that will be dried is packed in the drying box (26), closes chamber door (6), carries out heated-air drying earlier: open air draft control valve (3) through intelligent controller (7), close vacuum hydrofuge control valve (23); Open air-introduced machine (29), wet-emitting blower (4) and water pump (18), ambient, cool air gets into air preheater (1) from air inlet, earlier by the used heat wind institute preheating of row's self-desiccation case (26); Be pressed in the drying box (26) by air-introduced machine (29) then, through all from heat(ing) coil (25) acquisition heat fruits and vegetables being carried out heated-air drying behind the even wind of wind passage (8); Dried used heat wind is by wet-emitting blower (4) suction; Hydrofuge shutter (24) is opened, and air preheater removes the preheating cold air in (1), simultaneously; Hot water in the water tank (17) gets into the heat(ing) coil (25) in the drying box (26) through high temperature water inlet pipe (9); Heat(ing) coil (25) discharges the heat of hot water to hot blast and material and carries out drying, and the hot water temperature behind the released heat reduces and becomes cold water and flow out from the other end of heat(ing) coil (25), is reheated utilization through water pump (18) suction streams recovery tank (17);
When the fruit vegetable materials heated-air drying when water content is 40～60% degree; Get into second stage vacuum drying: open vacuum hydrofuge control valve (23) through intelligent controller (7); Close air draft control valve (3) and volume control damper (27); Open water pump (18), vavuum pump (20) and water vessel (21) then successively, the interior dry materials vapor evaporated of drying box (26) is removed through vacuum dehumidification tube (22);
Equipment in the course of the work; If drying box (26) inner drying temperature is too high; Temperature is higher than 40～60 ℃ during vacuum drying; Temperature is higher than 60～80 ℃ during heated-air drying, turns down the flow to hot water control valve (10) by sending instruction behind intelligent controller (7) the collection signal, otherwise then will transfer big to hot water control valve's (10) flow; When the flow of giving hot water control valve (10) is transferred to maximum; When drying box (26) inner drying temperature can't reach requirement; This moment is if be in the vacuum drying stage; Then send instruction startup electric heater (12) and carry out assistant heating,, start hot blast auxiliary heater (28) and carry out assistant heating if be in the heated-air drying stage by intelligent controller (7);
Equipment when the water level in the water tank (17) is lower than required value, then sends instruction unpack moisturizing control valve (15) by intelligent controller (7) in the course of the work, through filling pipe (16) water tank (17) is carried out moisturizing.
8. solar energy fruits and vegetables hot blast vacuum combination drying means according to claim 7 is characterized in that described solar vacuum hot water pipe (13) becomes 25～45 ° of angles with ground.
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| CN103653209A (en) * | 2013-11-28 | 2014-03-26 | 浙江龙驰科技有限公司 | Solar fruit and vegetable drying device |
| CN104567295A (en) * | 2015-01-28 | 2015-04-29 | 杭州华丹农产品有限公司 | Efficient vacuum low-temperature hot air drying device |
| CN106804701A (en) * | 2015-11-30 | 2017-06-09 | 湖南角山米业有限责任公司 | A kind of rice drying box |
| CN107242287A (en) * | 2017-02-09 | 2017-10-13 | 陕西科技大学 | A kind of superheated steam blanching and combination drying integral processing method and equipment |
| CN107860185A (en) * | 2017-12-13 | 2018-03-30 | 甘肃农业大学 | Green grass drying device |
| CN109953108A (en) * | 2017-12-25 | 2019-07-02 | 盐城市怡美食品有限公司 | Fresh ocean fish injects tenderization vacuum dehydration dry integrated machine |
| CN112075601A (en) * | 2020-08-28 | 2020-12-15 | 盐城工学院 | Method for preparing instant shrimp meat by hot air and vacuum combined drying |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103653209A (en) * | 2013-11-28 | 2014-03-26 | 浙江龙驰科技有限公司 | Solar fruit and vegetable drying device |
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| CN107860185A (en) * | 2017-12-13 | 2018-03-30 | 甘肃农业大学 | Green grass drying device |
| CN107860185B (en) * | 2017-12-13 | 2023-09-15 | 甘肃农业大学 | Grass drier |
| CN109953108A (en) * | 2017-12-25 | 2019-07-02 | 盐城市怡美食品有限公司 | Fresh ocean fish injects tenderization vacuum dehydration dry integrated machine |
| CN112075601A (en) * | 2020-08-28 | 2020-12-15 | 盐城工学院 | Method for preparing instant shrimp meat by hot air and vacuum combined drying |
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