阅读说明：本技术 一种可调节的苹果热泵烘干系统 (Apple heat pump drying system with adjustable ) 是由 朱建军 董光阳 万培培 于 2020-12-18 设计创作，主要内容包括：本发明公开了一种可调节的苹果热泵烘干系统,包括第一烘箱和第二烘箱,还包括能对第一烘箱和第二烘箱实施交替供热的第二烘干系统和第三烘干系统,第一烘箱设有独立的第一烘干系统,第二烘箱设有独立的第四烘干系统；在第一烘箱内放置切好的苹果后,第一烘干系统、第二烘干系统和第三烘干系统首先共同对第一烘箱加热,第四烘干系统不制热；在达到预设评估值时,第二烘干系统和第三烘干系统停止对第一烘箱加热,第一烘干系统依然持续制热；在第二烘箱内放置切好的苹果后,第二烘干系统、第三烘干系统和第四烘干系统共同对第二烘箱加热,在达到预设评估值时,第二烘干系统和第三烘干系统停止对第二烘箱加热,第四烘干系统依然持续制热。(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 the cut apples are placed in the first drying oven, the first drying system, the second drying system and the third drying system heat the first drying oven together, 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 drying oven, and the first drying system still continuously heats; after the cut apples are placed in the second drying oven, the second drying system, the third drying system and the fourth drying system heat the second drying oven together, when the preset evaluation value is reached, the second drying system and the third drying system stop heating the second drying oven, and the fourth drying system still continuously heats.)

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 also 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 drying oven (61), the first drying system (1), the second drying system (2) and the third drying system (3) heat the first drying oven (61) together, 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 drying oven (61), and the first drying system (1) still continuously heats;

after the cut apples are placed in the second oven (62), the second drying system (2), the third drying system (3) and the fourth drying system (4) heat the second oven (62) together, when a preset evaluation value is reached, the second drying system (2) and the third drying system (3) stop heating the second oven (62), and the fourth drying system (4) continuously heats.

2. The adjustable heat pump apple drying system of claim 1, wherein: 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 oven (61) and a third condenser (53) communicated with the second oven (62); the third drying system (3) comprises a fourth condenser (54) communicated with the first oven (61) and a fifth condenser (55) communicated with the second oven (62); the fourth drying system (4) comprises a sixth condenser (56) communicated with the 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 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).

3. The adjustable heat pump apple drying system of claim 2, wherein: the first switching 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 solenoid valve (541) for independently controlling the fourth condenser (54) and a fifth solenoid valve (551) for independently controlling the fifth condenser (55).

4. The adjustable heat pump apple drying system of claim 3, wherein: the first condenser (51) is also provided with a first electromagnetic valve (511) which can independently control the condensing medium of the first condenser; the sixth condenser (56) is provided with a sixth electromagnetic valve (561) which can independently control the self condensing medium.

5. The adjustable heat pump apple drying system of claim 4, wherein: the second condenser (52) and the fourth condenser (54) form a herringbone corner to the first condenser (51), and a first condensing fan (71) is enclosed by the second condenser (52) and the fourth condenser (54); the third condenser (53) and the fifth condenser (55) form a herringbone corner facing the sixth condenser (56), and a second condensing fan (72) is arranged around the third condenser (53) and the fifth condenser (55).

6. The adjustable heat pump apple drying system of claim 5, 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 with 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 with the downstream of the second condenser (52) and the third condenser (53), wherein the second oil separator (26) is respectively connected with 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 with the downstream of the fourth condenser (54) and the fifth condenser (55), wherein the third oil separator (36) is respectively connected with a fourth electromagnetic valve (541) and a 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), and the fourth oil separator (46) is connected to a sixth electromagnetic valve (561).

7. The adjustable heat pump apple drying system of claim 6, wherein: the first evaporator (13) and the second evaporator (23) share one first evaporation fan (81) in a group, and the third evaporator (33) and the fourth evaporator (43) share one second evaporation fan (82) in a group.

8. An adjustable heat pump apple drying system according to any one of claims 1 to 7, wherein: the preset evaluation value is the weight change rate beta of the apples before and after intervention by the second drying system (2) and the third drying system (3).

9. The adjustable heat pump apple drying system of claim 8, wherein: the weight change rate beta is more than or equal to 60 percent.

Technical Field

The invention belongs to the field of drying equipment, and particularly relates to an adjustable apple heat pump drying system.

Background

In air source heat pump drying process, the required heat of the drying process of material is different in each stage, if in apple drying process, needs fast drying in earlier stage drying process to prevent that the apple from oxidizing and discolouring, influence the stoving effect of apple, and in the apple stoving later stage, its required heat reduces, and extravagant current situation will appear in the energy of unit. Consequently, this patent is directed against the apple stoving process, provides an adjustable drying system.

In current apple stoving process, to rapid heating up process in earlier stage, conventional air source heat pump set uses electrical heating through assisting the distribution heating in order to satisfy the heat demand, this stoving in-process, and its energy consumption is great, and the energy consumption is higher.

Disclosure of Invention

The invention aims to solve the technical problem of the prior art and provides an adjustable apple heat pump drying system which is reasonable in structural layout, low in energy consumption and capable of performing early-stage fast drying and later-stage continuous drying on apples in two drying ovens.

The technical scheme adopted by the invention 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 the cut apples are placed in the first drying oven, the first drying system, the second drying system and the third drying system heat the first drying oven together, 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 drying oven, and the first drying system still continuously heats;

after the cut apples are placed in the second drying oven, the second drying system, the third drying system and the fourth drying system heat the second drying oven together, when the preset evaluation value is reached, the second drying system and the third drying system stop heating the second drying oven, and the fourth drying system still continuously heats.

In order to optimize the technical scheme, the adopted measures further comprise:

the first drying system comprises a first condenser communicated with the first 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 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 used for controlling the flow direction of a 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 includes a fourth solenoid valve independently controlling the fourth condenser, and a fifth solenoid valve independently controlling the fifth condenser.

The first condenser is also provided with a first electromagnetic valve which can independently control the condensing medium of the first condenser; the sixth condenser is provided with a sixth electromagnetic valve capable of independently controlling the condensing medium of the sixth condenser.

The second condenser and the fourth condenser form a herringbone corner facing 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 form a herringbone corner facing to the sixth condenser, and the third condenser and the fifth condenser are surrounded by a second condensing fan.

The first drying system also 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 with the downstream of the first condenser, wherein the first oil separator is connected with a first electromagnetic valve;

the second drying system also 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 with the downstream of the second condenser and the downstream of the third condenser, wherein the second oil separator is respectively connected with a second electromagnetic valve and a third electromagnetic valve;

the third drying system also 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 with the downstream of the fourth condenser and the downstream of the fifth condenser, wherein the third oil separator is respectively connected with a fourth electromagnetic valve and a fifth electromagnetic valve;

the fourth drying system also 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 with the downstream of the sixth condenser, and the fourth oil separator is connected with a sixth electromagnetic valve.

The first evaporator and the second evaporator are a group and share a first evaporation fan, and the third evaporator and the fourth evaporator are a group and share a second evaporation fan.

The preset evaluation value is the weight change rate beta of the apples before and after intervention by 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 the cut apples are placed in the first drying oven, the first drying system, the second drying system and the third drying system heat the first drying oven together, 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 drying oven, and the first drying system still continuously heats; after the cut apples are placed in the second drying oven, the second drying system, the third drying system and the fourth drying system heat the second drying oven together, when the preset evaluation value is reached, the second drying system and the third drying system stop heating the second drying oven, and the fourth drying system still continuously heats.

Drawings

FIG. 1 is an external structural view 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 working principle diagram 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: a first drying system 1, 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, a first oil separator 16, a second drying system 2, 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, a second oil separator 26, a third drying system 3, 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, a third oil separator 36, a fourth drying system 4, 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, a fourth oil separator 46, a first condenser 51, a second condenser 52, a third condenser 53, a fourth condenser 54, a fifth condenser 55, a sixth condenser 56, a fourth condenser 44, a fourth condenser 45, a fourth condenser 52, a fourth condenser 54, a fifth condenser 55, a sixth condenser 56, The first electromagnetic valve 511, the second electromagnetic valve 521, the third electromagnetic valve 531, the fourth electromagnetic valve 541, the fifth electromagnetic valve 551, the sixth electromagnetic valve 561, the first oven 61, the second oven 62, the first condensing fan 71, the second condensing fan 72, the first evaporating fan 81, and the second evaporating fan 82.

As shown in fig. 1 to 6, the adjustable heat pump drying system for apples comprises a first oven 61, a second oven 62, a second drying system 2 and a third drying system 3, wherein the second drying system 2 and the third drying system 3 can alternately supply heat to the first oven 61 and the second oven 62, 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 the cut apples are placed in the first drying oven 61, the first drying system 1, the second drying system 2 and the third drying system 3 firstly heat the first drying oven 61 together, 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 drying system 2, the third drying system 3 and the fourth drying system 4 heat the second oven 62 together, when the preset evaluation value is reached, the second drying system 2 and the third drying system 3 stop heating the second oven 62, and the fourth drying system 4 still continuously heats.

In the embodiment, first drying system 1 includes a first condenser 51 in communication with first oven 61; the second drying system 2 comprises a second condenser 52 communicated with the first oven 61, and a third condenser 53 communicated with the second oven 62; third drying system 3 comprises a fourth condenser 54 in communication with first oven 61, and a fifth condenser 55 in communication with second oven 62; the fourth drying system 4 comprises a sixth condenser 56 communicated 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 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 switching 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 independently controlling the second condenser 52, and the third solenoid valve 531 independently controlling 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 solenoid valve 521 and the fourth solenoid valve 541 are opened, and the third solenoid valve 531 and the fifth solenoid valve 551 are closed; when the second oven 62 is rapidly heated, the second solenoid valve 521 and the fourth solenoid valve 541 are closed, and the third solenoid valve 531 and the fifth solenoid valve 551 are opened.

In the embodiment, the first condenser 51 is also provided with a first electromagnetic valve 511 capable of independently controlling the condensing medium of itself; the sixth condenser 56 is provided with a sixth solenoid valve 561 capable of independently controlling its own condensing medium. When the first oven 61 is rapidly heated, the first solenoid valve 511, the second solenoid valve 521 and the fourth solenoid valve 541 are opened, and the third solenoid valve 531, the fifth solenoid valve 551 and the sixth solenoid valve 561 are closed; when the second oven 62 is rapidly heated, the second solenoid valve 521 and the fourth solenoid valve 541 are closed, and the third solenoid valve 531, the fifth solenoid valve 551 and the sixth solenoid valve 561 are opened.

In the embodiment, as shown in fig. 4, the second condenser 52 and the fourth condenser 54 form a herringbone corner facing the first condenser 51, and the first condensing fan 71 is enclosed by the second condenser 52 and the fourth condenser 54; the third condenser 53 and the fifth condenser 55 are formed into a herringbone corner facing the sixth condenser 56, and the second condensing fan 72 is enclosed by the third condenser 53 and the fifth condenser 55.

In the 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, which are connected in sequence downstream of the first condenser 51, and the first oil separator 16 is connected to the 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 connected in sequence at the 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 connected in sequence at the downstream of the fourth condenser 54 and the fifth condenser 55, wherein the third oil separator 36 is respectively connected to a fourth solenoid valve 541 and a fifth solenoid valve 551;

the fourth drying system 4 further includes a fourth reservoir 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 connected in sequence downstream of the sixth condenser 56, and the fourth oil separator 46 is connected to a sixth solenoid valve 561.

In the embodiment, as shown in fig. 4, the first evaporator 13 and the second evaporator 23 share a set of one first evaporation fan 81, and the third evaporator 33 and the fourth evaporator 43 share a set of one second evaporation fan 82.

In the embodiment, the preset evaluation value is the weight change rate β of the apples before and after the intervention by the second drying system 2 and the third drying system 3.

In the examples, the rate of change in weight β is 60% or more.

While the preferred embodiments of the present invention have been illustrated, various changes and modifications may be made by one skilled in the art without departing from the scope of the invention.