CN212109459U - Vehicle-mounted heat pump drying system driven by engine - Google Patents
Vehicle-mounted heat pump drying system driven by engine Download PDFInfo
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- CN212109459U CN212109459U CN202020876307.9U CN202020876307U CN212109459U CN 212109459 U CN212109459 U CN 212109459U CN 202020876307 U CN202020876307 U CN 202020876307U CN 212109459 U CN212109459 U CN 212109459U
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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/88—Optimized components or subsystems, e.g. lighting, actively controlled glasses
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Abstract
The utility model discloses an engine-driven vehicle-mounted heat pump drying system, which comprises a truck engine, wherein the truck engine is connected with a gas-water heat exchanger; the gas-water heat exchanger, the liquid-water heat exchanger, the high-temperature evaporator and the circulating water pump are sequentially connected to form a closed loop; the liquid-water heat exchanger is sequentially connected with the cooling liquid radiator, the cooling liquid circulating pump and the truck engine to form a closed loop; the second compressor is sequentially connected with the condenser, the first throttling mechanism, the air side evaporator and the first compressor to form a loop, one end of the high-temperature evaporator is connected between the condenser and the first throttling mechanism through the second throttling mechanism, and the other end of the high-temperature evaporator is connected between the second compressor and the first compressor; an output shaft of the truck engine is respectively connected with the first compressor and the second compressor through a planetary gear mechanism; the condenser is arranged in the oven; the energy released by the fuel can be effectively utilized, the heat can be absorbed from the air, and the energy-saving and environment-friendly effects are obvious.
Description
Technical Field
The utility model belongs to the technical field of the special agricultural product is dried, a vehicle-mounted heat pump drying system of engine drive is related to.
Background
The drying process is an important component of deep processing of most special agricultural products, and is vital to reduce postpartum loss, prolong the quality guarantee period of the special agricultural products, improve the quality of the special agricultural products and the like. The traditional drying method for agricultural products mostly adopts natural airing and a simple drying mode using burning fossil fuel as a heat source, so that on one hand, the problems of serious energy consumption and environmental pollution are caused, on the other hand, the color, flavor, nutrition and organization of materials are influenced, the quality of the agricultural products is reduced, and the requirement of the market is difficult to adapt.
The air source heat pump technology can obtain heat energy which is several times more than input electric energy, and has no pollution to the environment, so the air source heat pump technology has certain application in the technical field of drying of special agricultural products. However, various drying technologies including air source heat pump drying technology still have some problems to reduce the function of the drying technology in the field of agricultural special products. Firstly, the existing drying rooms are built at fixed places and are far away from most agricultural and special product production areas, and during the process of transporting agricultural and special products to the drying rooms, on one hand, the volume of the agricultural and special products which are not dried is larger than that of the agricultural and special products which are dried, so that the transportation cost is increased, and on the other hand, the agricultural and special products which are not dried are easily damaged and deteriorated during the transportation process; secondly, the air source heat pump unit with larger heating power is driven by three-phase electricity, but the three-phase electricity is not common in rural areas at present, especially in areas for planting special agricultural products.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an engine drive's on-vehicle heat pump drying system has solved among the prior art drying room and has caused the cost of transportation height apart from the agricultural special product production region too far to and present three-phase electricity is in rural area, especially the regional not popularized problem of planting agricultural special product.
The utility model adopts the technical scheme that the vehicle-mounted heat pump drying system driven by the engine comprises a truck engine, wherein the truck engine is connected with a gas-water heat exchanger through a pipeline a to form a truck engine tail gas waste heat utilization circulating system;
the gas-water heat exchanger is sequentially connected with the liquid-water heat exchanger, the high-temperature evaporator and the circulating water pump through a pipeline c to form a closed loop, so that a cooling waste heat and tail gas waste heat utilization circulating system of the truck engine is formed;
the liquid-water heat exchanger is sequentially connected with a cooling liquid radiator, a cooling liquid circulating pump and a truck engine through a pipeline b to form a closed loop, so that a truck engine cooling waste heat utilization circulating system is formed;
the system comprises a condenser, a first throttling mechanism, an air side evaporator and a first compressor, and is characterized by further comprising the second compressor, wherein the second compressor is sequentially connected with the condenser, the first throttling mechanism, the air side evaporator and the first compressor through a pipeline d to form a loop;
an output shaft of the truck engine is respectively connected with the first compressor and the second compressor through a planetary gear mechanism;
the condenser is arranged in the oven.
The utility model is characterized in that:
the planetary gear mechanism comprises a main gear connected with an output shaft of the truck engine, the main gear is respectively meshed with a first driven gear and a second driven gear, the output shaft of the first driven gear is connected with the second compressor, and the output shaft of the second driven gear is connected with the first compressor.
The pipe b is filled with cooling liquid.
The pipeline c is filled with heating medium.
The lines d and e are filled with refrigerant R134 a.
The utility model has the advantages that:
(1) the utility model relates to an engine-driven vehicle-mounted heat pump drying system, set up in the boxcar, and is provided with the oven used for drying the agricultural product in the boxcar, can dry the agricultural product to the nearest place apart from the agricultural product along with the truck, because the quality is lighter after the agricultural product is dried, the volume is smaller, it is easier to preserve, make the quality of the agricultural product higher, the same space transports more agricultural products at the same time, reduce the transportation cost;
(2) the utility model relates to an engine-driven vehicle-mounted heat pump drying system, which adopts the engine to drive the compressor of the heat pump system to work, and the engine is driven by the truck fuel, therefore, the heat pump drying system provided by the utility model can work in any place without depending on the electric network;
(3) the utility model relates to an engine drive's on-vehicle heat pump drying system can also use engine exhaust used heat for drying system, can improve the utilization ratio of the energy that the fuel contains.
Drawings
Fig. 1 is a schematic structural diagram of an engine-driven vehicle-mounted heat pump drying system of the present invention;
FIG. 2 is a schematic diagram of the operation of the engine driving the first and second compressors.
In the figure, 1 is a cooling liquid circulating pump, 2 is a truck engine, 3 is a liquid-water heat exchanger, 4 is a cooling liquid radiator, 5 is a gas-water heat exchanger, 6 is a circulating water pump, 7 is a first throttling mechanism, 8 is an air side evaporator, 9 is a first compressor, 10 is a second throttling mechanism, 11 is a high temperature evaporator, 12 is a second compressor, 13 is a condenser, 14 is an oven, 15 is pipelines a, 16, b and 17, c and 18 are pipelines d and 19 are pipelines e;
2-1, a main gear, 2-2, a first driven gear, 2-3, and a second driven gear.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model relates to an engine-driven vehicle-mounted heat pump drying system, as shown in figure 1, comprising a truck engine 2, wherein the truck engine 2 is connected with a gas-water heat exchanger 5 through a pipeline a15 to form a truck engine tail gas waste heat utilization circulation system;
the gas-water heat exchanger 5 is sequentially connected with the liquid-water heat exchanger 3, the high-temperature evaporator 11 and the circulating water pump 6 through a pipeline c17 to form a closed loop, so that a cooling waste heat and tail gas waste heat utilization circulating system of the truck engine is formed;
the liquid-water heat exchanger 3 is sequentially connected with the cooling liquid radiator 4, the cooling liquid circulating pump 1 and the truck engine 2 through a pipeline b16 to form a closed loop, so that a truck engine cooling waste heat utilization circulating system is formed;
the system further comprises a second compressor 12, the second compressor 12 is sequentially connected with the condenser 13, the first throttling mechanism 7, the air side evaporator 8 and the first compressor 9 through a pipeline d18 to form a loop, one end of the high-temperature evaporator 11 is connected between the condenser 13 and the first throttling mechanism 7 through a second throttling mechanism 10, the other end of the high-temperature evaporator 11 is connected between the second compressor 12 and the first compressor 9 through a pipeline e19 to form a heat pump drying system, and the condenser 13 is arranged in the oven;
an output shaft of the truck engine 2 is respectively connected with a first compressor 9 and a second compressor 12 through a planetary gear mechanism;
line b16 is filled with coolant, line c17 is filled with heating medium, and lines d18 and e19 are filled with refrigerant R134 a.
As shown in fig. 2, the planetary gear mechanism includes a main gear 2-1 connected to an output shaft of the truck engine 2, the main gear 2-1 is engaged with a first driven gear 2-2 and a second driven gear 2-3, respectively, an output shaft of the first driven gear 2-2 is connected to the second compressor 12, and an output shaft of the second driven gear 2-3 is connected to the first compressor 9.
The utility model relates to an on-vehicle heat pump drying system of engine drive's theory of operation does:
after a truck arrives at a drying place, agricultural and special products to be dried are placed in a carriage, a truck engine 2 starts to work under the driving of fuel, waste gas discharged by the truck engine 2 transfers heat carried by the waste gas to a heating medium in a pipeline c17 in an air-water heat exchanger 5 and then is discharged, meanwhile, a cooling liquid circulating pump 1 drives low-temperature cooling liquid to enter the truck engine 2 to cool the engine so that the engine works at a proper temperature, the cooling liquid absorbs heat and is heated, then the cooling liquid enters a liquid-water heat exchanger 3 to release the heat to a pipeline c17 and then flows into a cooling liquid radiator 4, and the temperature of the cooling liquid in the cooling liquid radiator 4 is reduced again and then is driven by the cooling liquid circulating pump 1 to enter the truck engine 2 to cool the engine.
The heat medium in the pipeline c17, driven by the circulating water pump 6, first absorbs the waste heat carried by the engine exhaust gas in the gas-water heat exchanger 5, then heats up, then flows to the liquid-water heat exchanger 3 to absorb the engine cooling waste heat, and then heats up again, and then flows to the high-temperature evaporator 11 to release heat to the refrigerant, and then continues to absorb and release heat under the drive of the circulating water pump 6.
An output shaft of a truck engine 2 is connected with a main gear 2-1, the main gear 2-1 is respectively meshed with a driven gear I2-2 and a driven gear II 2-3, an output shaft of the driven gear I2-2 drives a second compressor 12 to work, and an output shaft of the driven gear II 2-3 drives a first compressor 9 to work. Therefore, when the fuel-driven truck engine 2 is operated, the first compressor 9 and the second compressor 12 are simultaneously operated.
The gaseous high boiling point refrigerant discharged from the second compressor 12 is condensed into saturated or supercooled refrigerant liquid in the condenser 13, and at the same time, heat is released to dry the agricultural and special products, a part of the saturated or supercooled refrigerant liquid enters the first throttling mechanism 7 to be throttled to form low-pressure gas-liquid two-phase refrigerant fluid, the low-pressure gas-liquid two-phase refrigerant fluid then enters the air-side evaporator 8 to absorb heat in the air to become low-pressure saturated or superheated refrigerant vapor, and the saturated or superheated refrigerant vapor is sucked by the first compressor 9 and becomes medium-pressure superheated refrigerant vapor after being compressed.
The other part of the saturated or subcooled refrigerant liquid flowing out of the condenser 13 enters the second throttling mechanism 10 for throttling to form medium-pressure gas-liquid two-phase refrigerant fluid, and the medium-pressure gas-liquid two-phase refrigerant fluid then enters the heat carried by the heating medium in the pipeline c17 of the high-temperature evaporator 11 to become medium-pressure saturated or superheated refrigerant vapor.
The medium pressure superheated or saturated refrigerant vapor discharged from the first compressor 9 is mixed with the medium pressure saturated or superheated refrigerant vapor discharged from the high temperature evaporator 11, sucked by the second compressor 12, compressed to be superheated refrigerant vapor, and discharged again to the condenser 13 to release heat and dry the agricultural and specialty products.
In this way, the utility model relates to an engine drive vehicle-mounted heat pump drying system, can dry to the place nearest to the agricultural product along with the freight train at first, because the quality is lighter after the agricultural product is dried, the volume is smaller, changes the save, makes the quality of agricultural product higher, and the same space transports more agricultural products simultaneously, reduces the cost of transportation; secondly the utility model discloses a very much useful part lies in, uses the freight train fuel as the driving energy completely, can reach the electric wire netting and do not develop the stoving work in the region of popularization, breaks away from the dependence of heat pump drying-machine group to the electric wire netting, can not only effectively utilize the energy of fuel release among the last drying process, can also follow the air absorption heat, and energy-concerving and environment-protective effect is obvious.
Claims (5)
1. The utility model provides an on-vehicle heat pump drying system of engine drive which characterized in that: the system comprises a truck engine (2), wherein the truck engine (2) is connected with a gas-water heat exchanger (5) through a pipeline a (15) to form a truck engine tail gas waste heat utilization circulating system;
the gas-water heat exchanger (5) is sequentially connected with the liquid-water heat exchanger (3), the high-temperature evaporator (11) and the circulating water pump (6) through a pipeline c (17) to form a closed loop, so that a truck engine cooling waste heat and tail gas waste heat utilization circulating system is formed;
the liquid-water heat exchanger (3) is sequentially connected with the cooling liquid radiator (4), the cooling liquid circulating pump (1) and the truck engine (2) through a pipeline b (16) to form a closed loop, so that a truck engine cooling waste heat utilization circulating system is formed;
the air conditioner is characterized by further comprising a second compressor (12), wherein the second compressor (12) is sequentially connected with the condenser (13), the first throttling mechanism (7), the air side evaporator (8) and the first compressor (9) through a pipeline d (18) to form a loop, one end of the high-temperature evaporator (11) is connected between the condenser (13) and the first throttling mechanism (7) through a second throttling mechanism (10), and the other end of the high-temperature evaporator (11) is connected between the second compressor (12) and the first compressor (9) through a pipeline e (19) to form a heat pump drying system;
an output shaft of the truck engine (2) is respectively connected with a first compressor (9) and a second compressor (12) through a planetary gear mechanism;
the condenser (13) is arranged in the oven.
2. The engine-driven on-board heat pump drying system of claim 1, wherein: the planetary gear mechanism comprises a main gear (2-1) connected with an output shaft of a truck engine (2), the main gear (2-1) is respectively meshed with a first driven gear (2-2) and a second driven gear (2-3), an output shaft of the first driven gear (2-2) is connected with a second compressor (12), and an output shaft of the second driven gear (2-3) is connected with a first compressor (9).
3. The engine-driven on-board heat pump drying system of claim 1, wherein: the pipeline b (16) is filled with cooling liquid.
4. The engine-driven on-board heat pump drying system of claim 1, wherein: and a heating medium is filled in the pipeline c (17).
5. The engine-driven on-board heat pump drying system of claim 1, wherein: the lines d (18) and e (19) are filled with refrigerant R134 a.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020876307.9U CN212109459U (en) | 2020-05-22 | 2020-05-22 | Vehicle-mounted heat pump drying system driven by engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020876307.9U CN212109459U (en) | 2020-05-22 | 2020-05-22 | Vehicle-mounted heat pump drying system driven by engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212109459U true CN212109459U (en) | 2020-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020876307.9U Expired - Fee Related CN212109459U (en) | 2020-05-22 | 2020-05-22 | Vehicle-mounted heat pump drying system driven by engine |
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| Country | Link |
|---|---|
| CN (1) | CN212109459U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113532062A (en) * | 2021-08-27 | 2021-10-22 | 山东省农业机械科学研究院 | Vehicle-mounted peanut drying equipment and method |
| CN114103592A (en) * | 2021-11-22 | 2022-03-01 | 泉州装备制造研究所 | Movable container type heat pump drying system, transport vehicle and drying method |
-
2020
- 2020-05-22 CN CN202020876307.9U patent/CN212109459U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113532062A (en) * | 2021-08-27 | 2021-10-22 | 山东省农业机械科学研究院 | Vehicle-mounted peanut drying equipment and method |
| CN113532062B (en) * | 2021-08-27 | 2023-12-29 | 山东省农业机械科学研究院 | Vehicle-mounted peanut drying equipment and method |
| CN114103592A (en) * | 2021-11-22 | 2022-03-01 | 泉州装备制造研究所 | Movable container type heat pump drying system, transport vehicle and drying method |
| CN114103592B (en) * | 2021-11-22 | 2023-11-21 | 泉州装备制造研究所 | Movable container type heat pump drying system, transport vehicle and drying method |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201208 |
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| CF01 | Termination of patent right due to non-payment of annual fee |