CN112616910B - Apple heat pump drying system with adjustable - Google Patents
Apple heat pump drying system with adjustable Download PDFInfo
- Publication number
- CN112616910B CN112616910B CN202011500677.3A CN202011500677A CN112616910B CN 112616910 B CN112616910 B CN 112616910B CN 202011500677 A CN202011500677 A CN 202011500677A CN 112616910 B CN112616910 B CN 112616910B
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- drying system
- condenser
- oven
- drying
- electromagnetic valve
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- 238000001035 drying Methods 0.000 title claims abstract description 168
- 241000220225 Malus Species 0.000 claims abstract description 34
- 235000021016 apples Nutrition 0.000 claims abstract description 14
- 238000011156 evaluation Methods 0.000 claims abstract description 13
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims description 32
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 238000001704 evaporation Methods 0.000 claims description 4
- 230000008020 evaporation Effects 0.000 claims description 4
- 238000004891 communication Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000010981 drying operation Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B7/00—Preservation or chemical ripening of fruit or vegetables
- A23B7/02—Dehydrating; Subsequent reconstitution
- A23B7/0205—Dehydrating; Subsequent reconstitution by contact of the material with fluids, e.g. drying gas or extracting liquids
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/85—Food storage or conservation, e.g. cooling or drying
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses an adjustable apple heat pump drying system, which comprises a first drying oven, a second drying system and a third drying system, wherein the second drying system and the third drying system can alternately supply heat to the first drying oven and the second drying oven; after placing cut apples in the first oven, the first drying system, the second drying system and the third drying system heat the first oven together at first, and the fourth drying system does not heat; when the preset evaluation value is reached, the second drying system and the third drying system stop heating the first oven, and the first drying system still continuously heats; after the cut apples are placed in the second oven, the second oven is heated by the second drying system, the third drying system and the fourth drying system together, and when a preset evaluation value is reached, the second oven is stopped being heated by the second drying system and the third drying system, and the fourth drying system still continuously heats.
Description
Technical Field
The invention belongs to the field of drying equipment, and particularly relates to an adjustable apple heat pump drying system.
Background
In the air source heat pump drying process, the required heat of the drying process of material is different in each stage, for example in the apple drying process, the in-process needs the fast drying of earlier stage stoving to prevent that the apple oxidation and discolour, influence the stoving effect of apple, and in the apple stoving later stage, its required heat reduces, and the extravagant current situation will appear in the energy of unit. Therefore, this patent provides an adjustable drying system to apple stoving process.
In the existing apple drying process, aiming at the early-stage rapid heating process, the conventional air source heat pump unit is heated by auxiliary power distribution to meet heat requirements, and the electric heating is used in the drying process, so that the energy consumption is high, and the energy consumption is high.
Disclosure of Invention
Aiming at the current state of the art, the invention provides an adjustable apple heat pump drying system which has reasonable structural layout and low energy consumption and can carry out early-stage quick drying and later-stage continuous drying operation on apples in two ovens.
The technical scheme adopted for solving the technical problems is as follows: an adjustable apple heat pump drying system comprises a first drying oven, a second drying system and a third drying system, wherein the second drying system and the third drying system can alternately supply heat to the first drying oven and the second drying oven;
after placing cut apples in the first oven, the first drying system, the second drying system and the third drying system heat the first oven together at first, and the fourth drying system does not heat; when the preset evaluation value is reached, the second drying system and the third drying system stop heating the first oven, and the first drying system still continuously heats;
after the cut apples are placed in the second oven, the second oven is heated by the second drying system, the third drying system and the fourth drying system together, and when a preset evaluation value is reached, the second oven is stopped being heated by the second drying system and the third drying system, and the fourth drying system still continuously heats.
In order to optimize the technical scheme, the measures adopted further comprise:
the first drying system comprises a first condenser communicated with the first drying oven; the second drying system comprises a second condenser communicated with the first drying oven and a third condenser communicated with the second drying oven; the third drying system comprises a fourth condenser communicated with the first drying oven and a fifth condenser communicated with the second drying oven; the fourth drying system comprises a sixth condenser communicated with the second drying oven; the second condenser and the third condenser are connected in parallel, and a first conversion device for controlling the flow direction of a condensing medium is arranged between the second condenser and the third condenser; the fourth condenser and the fifth condenser are connected in parallel, and a second conversion device for controlling the flow direction of the condensing medium is arranged between the fourth condenser and the fifth condenser.
The first conversion device comprises a second electromagnetic valve for independently controlling the second condenser and a third electromagnetic valve for independently controlling the third condenser; the second switching device comprises a fourth electromagnetic valve for independently controlling the fourth condenser and a fifth electromagnetic valve for independently controlling the fifth condenser.
The first condenser is also provided with a first electromagnetic valve which can independently control the self-condensing medium; the sixth condenser is provided with a sixth electromagnetic valve capable of independently controlling the self-condensing medium.
The second condenser and the fourth condenser are combined into a herringbone corner opposite to the first condenser, and a first condensing fan is arranged around the second condenser and the fourth condenser; the third condenser and the fifth condenser are combined to form a herringbone corner opposite to the sixth condenser, and a second condensing fan is arranged around the third condenser and the fifth condenser.
The first drying system further comprises a first liquid storage tank, a first electronic expansion valve, a first evaporator, a first gas-liquid separator, a first compressor and a first oil separator which are sequentially connected to the downstream of the first condenser, wherein the first oil separator is connected to the first electromagnetic valve;
the second drying system further comprises a second liquid storage tank, a second electronic expansion valve, a second evaporator, a second gas-liquid separator, a second compressor and a second oil separator which are sequentially connected to the downstream of the second condenser and the downstream of the third condenser, and the second oil separator is respectively connected to the second electromagnetic valve and the third electromagnetic valve;
the third drying system further comprises a third liquid storage tank, a third electronic expansion valve, a third evaporator, a third gas-liquid separator, a third compressor and a third oil separator which are sequentially connected to the downstream of the fourth condenser and the downstream of the fifth condenser, and the third oil separator is respectively connected to the fourth electromagnetic valve and the fifth electromagnetic valve;
the fourth drying system further comprises a fourth liquid storage tank, a fourth electronic expansion valve, a fourth evaporator, a fourth gas-liquid separator, a fourth compressor and a fourth oil separator which are sequentially connected to the downstream of the sixth condenser, and the fourth oil separator is connected to the sixth electromagnetic valve.
The first evaporator and the second evaporator are a group of a first evaporation fan, and the third evaporator and the fourth evaporator are a group of a second evaporation fan.
The preset evaluation value is the weight change rate beta of apples before and after intervention of the second drying system and the third drying system.
The weight change rate beta is more than or equal to 60 percent.
Compared with the prior art, the adjustable apple heat pump drying system comprises a first drying oven, a second drying system and a third drying system, wherein the second drying system and the third drying system can alternately supply heat to the first drying oven and the second drying oven; after placing cut apples in the first oven, the first drying system, the second drying system and the third drying system heat the first oven together at first, and the fourth drying system does not heat; when the preset evaluation value is reached, the second drying system and the third drying system stop heating the first oven, and the first drying system still continuously heats; after the cut apples are placed in the second oven, the second oven is heated by the second drying system, the third drying system and the fourth drying system together, and when a preset evaluation value is reached, the second oven is stopped being heated by the second drying system and the third drying system, and the fourth drying system still continuously heats.
Drawings
FIG. 1 is a schematic view of the external structure of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is an exploded schematic view of FIG. 1;
FIG. 4 is a right side view of portion A of FIG. 3;
FIG. 5 is an exploded schematic view of FIG. 2;
fig. 6 is a schematic diagram of the operation of the present invention.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings.
Wherein the reference numerals are as follows: the first drying system 1, the first liquid storage tank 11, the first electronic expansion valve 12, the first evaporator 13, the first gas-liquid separator 14, the first compressor 15, the first oil separator 16, the second drying system 2, the second liquid storage tank 21, the second electronic expansion valve 22, the second evaporator 23, the second gas-liquid separator 24, the second compressor 25, the second oil separator 26, the third drying system 3, the third liquid storage tank 31, the third electronic expansion valve 32, the third evaporator 33, the third gas-liquid separator 34, the third compressor 35, the third oil separator 36, the fourth drying system 4, the fourth liquid storage tank 41, the fourth electronic expansion valve 42, the fourth evaporator 43, the fourth gas-liquid separator 44, the fourth compressor 45, the fourth oil separator 46, the first condenser 51, the second condenser 52, the third condenser 53, the fourth condenser 54, the fifth condenser 55, the sixth condenser 56, the first solenoid valve 511, the second solenoid valve 521, the third solenoid valve 531, the fourth solenoid valve 531, the fifth solenoid valve 62, the sixth solenoid valve 561, the first solenoid valve 551, the second solenoid valve 61, the second solenoid valve 81, the third fan 72, the fourth fan 72.
As shown in fig. 1 to 6, an adjustable apple heat pump drying system of the present invention comprises a first oven 61 and a second oven 62, and further comprises a second drying system 2 and a third drying system 3 capable of alternately supplying heat to the first oven 61 and the second oven 62, wherein the first oven 61 is provided with an independent first drying system 1, and the second oven 62 is provided with an independent fourth drying system 4;
after placing cut apples in the first oven 61, the first drying system 1, the second drying system 2 and the third drying system 3 heat the first oven 61 together at first, and the fourth drying system 4 does not heat; when the preset evaluation value is reached, the second drying system 2 and the third drying system 3 stop heating the first oven 61, and the first drying system 1 still continuously heats;
after the cut apples are placed in the second oven 62, the second oven 62 is heated by the second drying system 2, the third drying system 3 and the fourth drying system 4 together, and when a preset evaluation value is reached, the second oven 62 is stopped from being heated by the second drying system 2 and the third drying system 3, and the fourth drying system 4 still continuously heats.
In an embodiment, the first drying system 1 comprises a first condenser 51 communicating with a first oven 61; the second drying system 2 comprises a second condenser 52 in communication with a first oven 61, and a third condenser 53 in communication with a second oven 62; the third drying system 3 comprises a fourth condenser 54 communicating with a first oven 61, and a fifth condenser 55 communicating with a second oven 62; the fourth drying system 4 includes a sixth condenser 56 in communication with a second oven 62; the second condenser 52 and the third condenser 53 are connected in parallel, and a first conversion device for controlling the flow direction of the condensing medium is arranged between the second condenser 52 and the third condenser 53; the fourth condenser 54 and the fifth condenser 55 are connected in parallel, and a second conversion device for controlling the flow direction of the condensing medium is arranged between the fourth condenser 54 and the fifth condenser 55.
In the embodiment, the first switching device includes the second solenoid valve 521 that independently controls the second condenser 52, and the third solenoid valve 531 that independently controls the third condenser 53; the second switching device includes a fourth solenoid valve 541 that independently controls the fourth condenser 54, and a fifth solenoid valve 551 that independently controls the fifth condenser 55. When the first oven 61 is rapidly heated, the second and fourth solenoid valves 521 and 541 are opened, and the third and fifth solenoid valves 531 and 551 are closed; when the second oven 62 is rapidly heated, the second and fourth solenoid valves 521 and 541 are closed, and the third and fifth solenoid valves 531 and 551 are opened.
In the embodiment, the first condenser 51 is also provided with a first solenoid valve 511 capable of independently controlling the self-condensing medium; the sixth condenser 56 is provided with a sixth solenoid valve 561 capable of independently controlling the own condensing medium. When the first oven 61 is rapidly heated, the first, second and fourth solenoid valves 511, 521 and 541 are opened, and the third, fifth and sixth solenoid valves 531, 551 and 561 are closed; when the second oven 62 is rapidly heated, the second and fourth solenoid valves 521 and 541 are closed, and the third, fifth and sixth solenoid valves 531, 551 and 561 are opened.
In the embodiment, as shown in fig. 4, the second condenser 52 and the fourth condenser 54 form a herringbone corner opposite to the first condenser 51, and the second condenser 52 and the fourth condenser 54 are surrounded by a first condensing fan 71; the third condenser 53 and the fifth condenser 55 form a herringbone corner opposite to the sixth condenser 56, and the third condenser 53 and the fifth condenser 55 are surrounded by a second condensing fan 72.
In an embodiment, the first drying system 1 further includes a first liquid storage tank 11, a first electronic expansion valve 12, a first evaporator 13, a first gas-liquid separator 14, a first compressor 15, and a first oil separator 16 connected in sequence downstream of the first condenser 51, the first oil separator 16 being connected to a first solenoid valve 511;
the second drying system 2 further comprises a second liquid storage tank 21, a second electronic expansion valve 22, a second evaporator 23, a second gas-liquid separator 24, a second compressor 25 and a second oil separator 26 which are sequentially connected downstream of the second condenser 52 and the third condenser 53, wherein the second oil separator 26 is respectively connected to a second electromagnetic valve 521 and a third electromagnetic valve 531;
the third drying system 3 further comprises a third liquid storage tank 31, a third electronic expansion valve 32, a third evaporator 33, a third gas-liquid separator 34, a third compressor 35 and a third oil separator 36 which are sequentially connected downstream of the fourth condenser 54 and the fifth condenser 55, wherein the third oil separator 36 is respectively connected to the fourth electromagnetic valve 541 and the fifth electromagnetic valve 551;
the fourth drying system 4 further includes a fourth liquid storage tank 41, a fourth electronic expansion valve 42, a fourth evaporator 43, a fourth gas-liquid separator 44, a fourth compressor 45, and a fourth oil separator 46, which are sequentially connected downstream of the sixth condenser 56, and the fourth oil separator 46 is connected to a sixth electromagnetic valve 561.
In the embodiment, as shown in fig. 4, the first evaporator 13 and the second evaporator 23 share a first evaporator fan 81 as a group, and the third evaporator 33 and the fourth evaporator 43 share a second evaporator fan 82 as a group.
In the embodiment, the preset evaluation value is the weight change rate β of apples before and after intervention by the second drying system 2 and the third drying system 3.
In the examples, the weight change rate beta is more than or equal to 60 percent.
The preferred embodiments of this invention have been described so far that various changes or modifications may be made by one of ordinary skill in the art without departing from the scope of this invention.
Claims (7)
1. An adjustable apple heat pump drying system comprises a first oven (61) and a second oven (62), and is characterized in that: the drying system further comprises a second drying system (2) and a third drying system (3) which can alternately supply heat to the first drying oven (61) and the second drying oven (62), wherein the first drying oven (61) is provided with an independent first drying system (1), and the second drying oven (62) is provided with an independent fourth drying system (4);
after the cut apples are placed in the first oven (61), the first drying system (1), the second drying system (2) and the third drying system (3) heat the first oven (61) together at first, and the fourth drying system (4) does not heat; when the preset evaluation value is reached, the second drying system (2) and the third drying system (3) stop heating the first oven (61), and the first drying system (1) still continuously heats;
after the cut apples are placed in the second oven (62), the second oven (62) is heated by the second drying system (2), the third drying system (3) and the fourth drying system (4), when a preset evaluation value is reached, the second oven (62) is stopped from being heated by the second drying system (2) and the third drying system (3), and the fourth drying system (4) is still continuously heated;
the first drying system (1) comprises a first condenser (51) communicated with a first oven (61); the second drying system (2) comprises a second condenser (52) communicated with the first drying oven (61) and a third condenser (53) communicated with the second drying oven (62); the third drying system (3) comprises a fourth condenser (54) communicated with the first drying oven (61) and a fifth condenser (55) communicated with the second drying oven (62); the fourth drying system (4) comprises a sixth condenser (56) communicated with the second drying oven (62); the second condenser (52) and the third condenser (53) are connected in parallel, and a first conversion device for controlling the flow direction of a condensing medium is arranged between the second condenser (52) and the third condenser (53); the fourth condenser (54) and the fifth condenser (55) are connected in parallel, and a second conversion device for controlling the flow direction of a condensing medium is arranged between the fourth condenser (54) and the fifth condenser (55);
the second condenser (52) and the fourth condenser (54) form a herringbone corner opposite to the first condenser (51), and a first condensing fan (71) is arranged around the second condenser (52) and the fourth condenser (54); the third condenser (53) and the fifth condenser (55) form a herringbone corner opposite to the sixth condenser (56), and the third condenser (53) and the fifth condenser (55) are surrounded by a second condensing fan (72).
2. An adjustable apple heat pump drying system as in claim 1 wherein: the first conversion device comprises a second electromagnetic valve (521) for independently controlling the second condenser (52) and a third electromagnetic valve (531) for independently controlling the third condenser (53); the second switching device comprises a fourth electromagnetic valve (541) for independently controlling the fourth condenser (54), and a fifth electromagnetic valve (551) for independently controlling the fifth condenser (55).
3. An adjustable apple heat pump drying system as claimed in claim 2, wherein: the first condenser (51) is also provided with a first electromagnetic valve (511) which can independently control the self-condensing medium; the sixth condenser (56) is provided with a sixth electromagnetic valve (561) capable of independently controlling the self-condensing medium.
4. An adjustable apple heat pump drying system as claimed in claim 3, wherein: the first drying system (1) further comprises a first liquid storage tank (11), a first electronic expansion valve (12), a first evaporator (13), a first gas-liquid separator (14), a first compressor (15) and a first oil separator (16), which are sequentially connected to the downstream of the first condenser (51), wherein the first oil separator (16) is connected to the first electromagnetic valve (511);
the second drying system (2) further comprises a second liquid storage tank (21), a second electronic expansion valve (22), a second evaporator (23), a second gas-liquid separator (24), a second compressor (25) and a second oil separator (26), which are sequentially connected to the downstream of the second condenser (52) and the third condenser (53), wherein the second oil separator (26) is respectively connected to the second electromagnetic valve (521) and the third electromagnetic valve (531);
the third drying system (3) further comprises a third liquid storage tank (31), a third electronic expansion valve (32), a third evaporator (33), a third gas-liquid separator (34), a third compressor (35) and a third oil separator (36), which are sequentially connected to the downstream of the fourth condenser (54) and the fifth condenser (55), wherein the third oil separator (36) is respectively connected to the fourth electromagnetic valve (541) and the fifth electromagnetic valve (551);
the fourth drying system (4) further comprises a fourth liquid storage tank (41), a fourth electronic expansion valve (42), a fourth evaporator (43), a fourth gas-liquid separator (44), a fourth compressor (45) and a fourth oil separator (46), which are sequentially connected to the downstream of the sixth condenser (56), wherein the fourth oil separator (46) is connected to the sixth electromagnetic valve (561).
5. An adjustable apple heat pump drying system as in claim 4 wherein: the first evaporator (13) and the second evaporator (23) share a first evaporation fan (81), and the third evaporator (33) and the fourth evaporator (43) share a second evaporation fan (82).
6. An adjustable apple heat pump drying system according to any of claims 1 to 5, wherein: the preset evaluation value is the weight change rate beta of apples before and after intervention of the second drying system (2) and the third drying system (3).
7. An adjustable apple heat pump drying system as in claim 6 wherein: the weight change rate beta is more than or equal to 60 percent.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011500677.3A CN112616910B (en) | 2020-12-18 | 2020-12-18 | Apple heat pump drying system with adjustable |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011500677.3A CN112616910B (en) | 2020-12-18 | 2020-12-18 | Apple heat pump drying system with adjustable |
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| CN112616910A CN112616910A (en) | 2021-04-09 |
| CN112616910B true CN112616910B (en) | 2023-12-05 |
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Families Citing this family (1)
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| CN113945086B (en) * | 2021-10-15 | 2023-02-24 | 青岛海尔空调电子有限公司 | Method and device for controlling heat pump dryer, electronic equipment and storage medium |
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