CN214172712U - High-efficient circulation drying device - Google Patents
High-efficient circulation drying device Download PDFInfo
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- CN214172712U CN214172712U CN202022402974.6U CN202022402974U CN214172712U CN 214172712 U CN214172712 U CN 214172712U CN 202022402974 U CN202022402974 U CN 202022402974U CN 214172712 U CN214172712 U CN 214172712U
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Abstract
The utility model discloses a high-efficiency circulating drying device, which comprises a fresh air fan, a fresh air box and a solution circulating system, wherein one end of the fresh air box is provided with a fresh air inlet, the other end of the fresh air box is provided with a fresh air outlet, the fresh air outlet is connected with a fresh air pipeline, the solution circulating system comprises a refrigerant circulating system and an absorbent circulating system, the absorbent circulating system and the refrigerant circulating system are respectively arranged on the fresh air pipeline, and the fresh air pipeline is heated twice through the absorbent circulating system and the refrigerant circulating system; the utility model has the advantages that: the solution circulating system can fully utilize industrial waste heat and waste heat, and low-grade energy such as waste heat can be fully utilized through refrigerant circulation and absorbent circulation.
Description
Technical Field
The utility model relates to a food drying technology field, concretely relates to high-efficient circulation drying device.
Background
The drying of food is a process of evaporating and discharging moisture in the food by using heat, and forced flowing hot air can be used for taking away the moisture in the food. The process has been widely used in many fields, such as agriculture, animal husbandry, food industry, pharmaceutical industry, chemistry, paper making, marine product industry, etc. Conventional forms of drying techniques may in some forms consume significant amounts of energy. The drying technology in China is gradually developed from the 20 th century 50 s, and the drying technology is more novel, such as impact drying, overheating drying, pulse combustion drying, heat pump drying and the like, for common drying equipment, such as air flow drying, spray drying, fluidized bed drying, rotary flash drying, infrared drying, microwave drying, freeze drying and the like. In recent years, the nation takes many measures in the aspects of energy conservation, air pollution enhancement and the like, and the energy conservation and the environmental protection are imperative in order to promote the sustainable development of the economy and the society. Traditional steam, coal, electric heating, gas hot air drying and the like adopt an open drying room dehumidifying fan to discharge damp and hot air, and great energy waste is formed. In the aspect of agricultural drying, coal or firewood is mostly used as energy, and the method has the advantages of high pollution, high energy consumption and no environmental protection. The vapor compression refrigeration system has the advantages of compact structure, good stability, easy control and simple and convenient maintenance, so that the vapor compression refrigeration system is largely used in production and life. However, with the large-scale use, the defects are increasingly reflected. The steam compression refrigerating system is basically powered by a high-grade heat source, the load of the steam compression refrigerating system on an energy system is large along with the increase of the base number, and the waste heat generated by the process is basically not utilized, so that the energy consumption is huge. For the waste heat, the recovery and utilization of the waste heat can fully utilize sensible heat and latent heat which are not reasonably utilized. The drying and drying mode of the solution circulating system utilizing the waste heat mode can fully recover waste heat and discharge a part of wet air, the temperature is adjusted by adjusting the circulating air volume, and the hot air circulating intensity is adjusted to match the drying requirements of different products. Thereby realizing the continuous food material drying operation mode, greatly saving the energy consumption and fully utilizing the industrial waste heat.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the prior art, the invention provides the efficient circulating drying device with reasonable structural design.
The technical scheme of the utility model as follows:
the utility model provides a high-efficient circulation drying device, its characterized in that, includes new fan, new trend case and solution circulation system, new trend case one end is equipped with the new trend entry, and the other end is equipped with the new trend export, and the new trend exit is connected with the new trend pipeline, solution circulation system includes refrigerant circulating system and absorbent circulating system, absorbent circulating system and refrigerant circulating system set up respectively on the new trend pipeline to carry out twice heating to the new trend pipeline through absorbent circulating system and refrigerant circulating system.
The efficient circulating drying device is characterized in that the absorbent circulating system comprises a generator, a solution circulating pump, a heat exchanger and an absorbent circulating pipeline, the generator, the solution circulating pump and the heat exchanger are sequentially arranged on the absorbent circulating pipeline, the absorbent circulating pipeline is connected to the generator, and an absorbent in the absorbent circulating pipeline absorbs heat through the generator and circulates in the absorbent circulating pipeline through the solution circulating pump; the heat exchanger is arranged on the fresh air pipeline and exchanges heat between the absorbent circulating pipeline and the fresh air pipeline.
The efficient circulating drying device is characterized in that the refrigerant circulating system comprises a generator, a condenser, a dehumidifying evaporator, an expansion throttle valve and a refrigerant circulating pipeline, wherein the condenser, the dehumidifying evaporator and the expansion throttle valve are sequentially arranged on the refrigerant circulating pipeline, the refrigerant circulating pipeline is arranged on the generator, and refrigerant in the refrigerant circulating pipeline absorbs heat through the generator; the dehumidification evaporator is arranged on a fresh air pipeline between the fresh air fan and the heat exchanger, heat exchange is carried out between the refrigerant circulation pipeline and the fresh air pipeline, the condenser is arranged on the fresh air pipeline, the heat exchanger is arranged between the condenser and the dehumidification evaporator, and heat exchange is carried out between the refrigerant circulation pipeline and the fresh air pipeline through the condenser.
The efficient circulating drying device is characterized by further comprising a drying room, wherein the tail end of the fresh air pipeline is connected with an air inlet of the drying room, an air exhaust pipeline is arranged at an air outlet of the drying room, and an exhaust fan is arranged at the tail end of the air exhaust pipeline; and an air return pipe is arranged on the exhaust pipeline and is communicated with the front end of the fresh air pipeline to form fresh air circulation.
The utility model provides a high-efficient circulation drying device, a serial communication port, be equipped with filter equipment in the new trend built-in, be equipped with the condensate pipe on the dehumidification evaporator, the condensate pipe end sets up in new trend case, and the condensate pipe end is equipped with the condensate shower nozzle, the comdenstion water of dehumidification evaporator fin sends into the condensate shower nozzle of new trend case through the condensate pipe after gathering to wash filter equipment.
The efficient circulating drying device is characterized in that a drying box is arranged between the dehumidifier and the heat exchanger on the fresh air pipeline, an absorbent branch pipeline is further arranged on the absorbent circulating pipeline, and the absorbent branch pipeline is connected with the drying box.
The efficient circulating drying device is characterized in that a second electric flow regulating valve is arranged on the absorbent branch pipeline, a first electric flow regulating valve is arranged on the absorbent branch pipeline, and the first electric flow regulating valve is arranged at the rear position of the connecting position on the absorbent branch pipeline.
The efficient circulating drying device is characterized in that a temperature and humidity probe is arranged in the drying room, and the temperature and humidity probe displays the temperature and humidity in the drying room in real time.
The efficient circulating drying device is characterized in that a condensed water collecting device is arranged below the fresh air box, and condensed water in the filtering device is collected by the condensed water collecting device and then discharged.
The utility model has the advantages that:
1) the solution circulating system can fully utilize industrial waste heat and waste heat, and low-grade energy such as waste heat can be fully utilized through refrigerant circulation and absorbent circulation.
2) The residual heat absorbed by the solution in the absorbent cycle can be utilized by the heat exchanger to heat the dried air for the first time, the substance in the refrigerant cycle condenses the water vapor in the air by the dehumidification evaporator, and the dried air is heated for the second time by the condenser.
3) The condensed water condensed on the dehumidifying evaporator can be used for cleaning dust on the filtering device and primarily cooling fresh air. The dehumidifying evaporator and the drying agent can be used for efficiently removing moisture in air, the air circulation size and the strength of the solution circulation system are adjusted through the temperature and humidity probe to achieve the required regulation and control parameters of the drying room, and the drying agent can be used for multiple times. The cycle of the method meets the requirement of sustainable development.
Drawings
FIG. 1 is a schematic view of the overall apparatus of the present invention;
in the figure, 1-fresh air machine; 2-new air box; 3-a filtration device; 4-a generator; 5-a dehumidifying evaporator; 6-a second electric flow regulating valve; 7-a first electric flow regulating valve; 8-drying oven; 9-a heat exchanger; 10-expansion throttle valve; 11-solution circulation pump; 12-a condenser; 13-material vehicle; 14-a drying room; 15-an exhaust fan; 16-condensed water spray heads; 17-air volume adjusting valve; 18-temperature and humidity probe; 19-a condensate collection device; 20-fresh air inlet.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
as shown in fig. 1, the high-efficiency circulating drying device comprises a fresh air fan 1, a fresh air tank 2, a filtering device 3, a generator 4, a dehumidification evaporator 5, a second electric flow regulating valve 6, a first electric flow regulating valve 7, a drying box 8, a heat exchanger 9, an expansion throttle valve 10, a solution circulating pump 11, a condenser 12, a material trolley 13, a drying room 14, an exhaust fan 15, a condensed water spray head 16, an air volume regulating valve 17, a temperature and humidity probe 18, a condensed water collecting device 19 and a fresh air inlet 20.
The solution circulating system comprises a refrigerant circulating system and an absorbent circulating system, two substances with different boiling points run in a generator 4 system, a substance with a low boiling point is a refrigerant, a substance with a high boiling point is an absorbent, the refrigerant with the low boiling point absorbs heat and evaporates to form high-pressure refrigerant steam after the generator 4 absorbs waste heat and waste heat, the high-pressure refrigerant steam emits heat through a condenser 12 to heat and warm cooling dry air, the high-pressure refrigerant steam passes through the condenser 12 to form high-pressure refrigerant liquid, the high-pressure refrigerant liquid passes through an expansion throttle valve 10 to form liquid under evaporation pressure, the liquid enters a dehumidification evaporator 5 to be vaporized and absorb heat, the water vapor in mixed air passing through the dehumidification evaporator 5 is condensed on fins of the dehumidification evaporator 5 after the temperature is reduced, and condensed water fins of the evaporator 5 are collected and then sent into a condensed water spray nozzle 16 in a fresh air box 2 through a condensed water pipe 21, the sprayed condensed water can clean dust in the filter device 3 and has a certain cooling effect on fresh air, and the condensed water in the filter device 3 is collected and then is discharged after being collected by the condensed water collecting device 19. The absorbent with high boiling point absorbs heat through waste heat, then circulates by taking the solution circulating pump 11 as power, the absorbent with high temperature enters the heat exchanger 9, the heat is exchanged for cooling dry air, and the cooling dry air enters the condenser 12 for secondary temperature rise after being primarily heated by the first heat exchanger 9.
The new trend is entered into new trend case 2 by new trend entry 20, through dust in the filter equipment 3 detached new trend, the initial cooling of new trend can be realized to comdenstion water shower nozzle 16, the new trend gets into dehumidification evaporimeter 5 after coming out from new trend case 2 and partial return air mixes and cools off the dehumidification, further detach moisture after the mixed air after getting into drying cabinet 8 after mixing with the drier after cooling the dehumidification, then continuously heat the intensification in getting into heat exchanger 9 and condenser 12. The mixed air enters the drying room 14 after being heated and heated to fully contact with the materials to take away the moisture on the surface of the materials, the temperature and humidity probe 18 displays the temperature and humidity in the drying room 14 in real time, and the solution circulation system and the air volume can be adjusted according to the temperature and humidity to realize the required drying room conditions. And a part of the damp and hot air from the drying room 14 is exhausted out of the room through the exhaust fan 15, and a part of the air is mixed with fresh air through the air return valve to realize air volume circulation.
The night drying operation is stopped, the electric flow control valve 7 is closed, the electric flow control valve 6 is opened, high-temperature circulating solution enters the drying box 8 through the electric flow control valve 6, the moisture of the drying agent in the drying box 8 is continuously evaporated due to the high-temperature environment, the evaporated water vapor passes through the heat exchanger 9 and the condenser 12 through mixed air, the water vapor is exhausted out of the room through the exhaust fan after the drying room 14, the air return valve is closed at the moment, and the drying agent is a reusable drying agent such as a silica gel drying agent.
The utility model discloses the major system relates to wind system circulation, refrigerant circulation, absorption formula solution circulation. The waste heat generated by the absorption refrigeration generator is utilized, the dehumidification evaporator is used as first dehumidification equipment, and the drying box is used as second dehumidification equipment. And the dried wet, cold and dry air is primarily heated by a heat exchanger of the solution circulating system, and then the wet, cold and dry air is secondarily heated by a condenser of the solution circulating refrigeration system. The heated hot dry air flows into the drying room, and the moisture on the surface of the food is taken away after the food is dried in the drying room. And a part of the dried damp and hot air is exhausted outdoors through an exhaust fan. One part is recycled and mixed with fresh air, so that the circulation of the air is realized. The invention also includes the circulation of condensed water, the condensed water on the dehumidifying evaporator has certain cold energy, and the cold energy can be recovered and can be used for dust removal and cleaning.
Claims (9)
1. The utility model provides a high-efficient circulation drying device, its characterized in that, includes new fan, new trend case and solution circulation system, new trend case one end is equipped with the new trend entry, and the other end is equipped with the new trend export, and the new trend exit is connected with the new trend pipeline, solution circulation system includes refrigerant circulating system and absorbent circulating system, absorbent circulating system and refrigerant circulating system set up respectively on the new trend pipeline to carry out twice heating to the new trend pipeline through absorbent circulating system and refrigerant circulating system.
2. The efficient circulating drying device according to claim 1, wherein the absorbent circulating system comprises a generator, a solution circulating pump, a heat exchanger and an absorbent circulating pipeline, the generator, the solution circulating pump and the heat exchanger are sequentially arranged on the absorbent circulating pipeline, the absorbent circulating pipeline is connected to the generator, and an absorbent in the absorbent circulating pipeline absorbs heat through the generator and circulates in the absorbent circulating pipeline through the solution circulating pump; the heat exchanger is arranged on the fresh air pipeline and exchanges heat between the absorbent circulating pipeline and the fresh air pipeline.
3. The efficient circulating drying device as claimed in claim 1, wherein the refrigerant circulating system comprises a generator, a condenser, a dehumidifying evaporator, an expansion throttle valve and a refrigerant circulating pipeline, the condenser, the dehumidifying evaporator and the expansion throttle valve are sequentially arranged on the refrigerant circulating pipeline, the refrigerant circulating pipeline is arranged on the generator, and the refrigerant in the refrigerant circulating pipeline absorbs heat through the generator; the dehumidification evaporator is arranged on a fresh air pipeline between the fresh air fan and the heat exchanger, heat exchange is carried out between the refrigerant circulation pipeline and the fresh air pipeline, the condenser is arranged on the fresh air pipeline, the heat exchanger is arranged between the condenser and the dehumidification evaporator, and heat exchange is carried out between the refrigerant circulation pipeline and the fresh air pipeline through the condenser.
4. The efficient circulating drying device of claim 1, further comprising a drying room, wherein the tail end of the fresh air pipeline is connected with an air inlet of the drying room, an air exhaust pipeline is arranged at an air outlet of the drying room, and an exhaust fan is arranged at the tail end of the air exhaust pipeline; and an air return pipe is arranged on the exhaust pipeline and is communicated with the front end of the fresh air pipeline to form fresh air circulation.
5. The drying device according to claim 3, wherein a filtering device is arranged in the fresh air machine, a condensate pipe is arranged on the dehumidifying evaporator, the end of the condensate pipe is arranged in the fresh air box, a condensate water nozzle is arranged at the end of the condensate pipe, and the condensate water of the dehumidifying evaporator fins is collected and then sent to the condensate water nozzle of the fresh air box through the condensate pipe, so as to clean the filtering device.
6. The drying apparatus according to claim 3, wherein a drying box is disposed on the fresh air duct between the dehumidifier and the heat exchanger, an absorbent branch line is further disposed on the absorbent circulation line, and the absorbent branch line is connected to the drying box.
7. The efficient circulating drying device as claimed in claim 6, wherein the absorbent branch line is provided with a second electric flow control valve, the absorbent circulating line is provided with a first electric flow control valve, and the first electric flow control valve is arranged at a position behind the connection position on the absorbent branch line.
8. The efficient circulating drying device of claim 4, wherein a temperature and humidity probe is arranged in the drying room, and the temperature and humidity probe displays the temperature and humidity in the drying room in real time.
9. The efficient circulating drying device of claim 5, wherein a condensed water collecting device is arranged below the fresh air box, and condensed water in the filtering device is collected by the condensed water collecting device and then discharged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022402974.6U CN214172712U (en) | 2020-10-26 | 2020-10-26 | High-efficient circulation drying device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022402974.6U CN214172712U (en) | 2020-10-26 | 2020-10-26 | High-efficient circulation drying device |
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| CN214172712U true CN214172712U (en) | 2021-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022402974.6U Active CN214172712U (en) | 2020-10-26 | 2020-10-26 | High-efficient circulation drying device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114812115A (en) * | 2022-04-15 | 2022-07-29 | 广西电网有限责任公司电力科学研究院 | Electric heating food drying and dehumidifying device capable of reducing carbon emission |
-
2020
- 2020-10-26 CN CN202022402974.6U patent/CN214172712U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114812115A (en) * | 2022-04-15 | 2022-07-29 | 广西电网有限责任公司电力科学研究院 | Electric heating food drying and dehumidifying device capable of reducing carbon emission |
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