CN105222371A - A kind of solar drying apparatus - Google Patents
A kind of solar drying apparatus Download PDFInfo
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- CN105222371A CN105222371A CN201510739161.7A CN201510739161A CN105222371A CN 105222371 A CN105222371 A CN 105222371A CN 201510739161 A CN201510739161 A CN 201510739161A CN 105222371 A CN105222371 A CN 105222371A
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- fuel tank
- collection pipe
- drying
- oil
- vacuum heat
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/50—Energy storage in industry with an added climate change mitigation effect
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- Drying Of Solid Materials (AREA)
Abstract
Solar drying apparatus of the present invention, comprise fuel tank, vacuum heat collection pipe, oil circulating pump, drying system and liquid gas heat exchanger, store conduction oil in fuel tank, oil circulating pump is arranged on the oil-out of fuel tank, and the oil-out of fuel tank is divided into two-way; The periphery of vacuum heat collection pipe is evenly fixed with mirror condenser, mirror condenser utilizes the solar energy line convection focused on to heat through the conduction oil of vacuum heat collection pipe, the temperature sensor that conduction oil temperature is measured is provided with in fuel tank, the process gas that the conduction oil reaching temperature requirement flows through in liquid gas heat exchanger and drying system carries out exchange heat, completes drying operation to make process gas.Solar drying apparatus of the present invention, after the conduction oil of higher temperature carries out heat exchange with process gas in liquid gas heat exchanger, process gas after intensification is treated dry matter and is carried out drying in drying tube, and as the drying to tobacco pipe tobacco, that has widened solar energy utilizes field.
Description
Technical field
The present invention relates to a kind of solar drying apparatus, in particular, particularly relate to a kind of optically focused by solar energy and realize heat-conductive-oil high-temperature heating to realize the solar drying apparatus to tobacco shreds drying.
Background technology
The energy is the important substance basis of economy and social development.Since the industrial revolution, world energy sources consumption increases severely, and the fossil energy resource consumptions such as coal, oil, natural gas are rapid, and ecological environment constantly worsens, particularly greenhouse gas emission causes increasingly serious Global climate change, and the sustainable development of human society is subject to serious threat.Time general cigar mill is withering to tobacco; all often adopt combustion furnace to carry out energy supply; combustion furnace is substantially all oil firing or natural gas; both contaminated environment; cause energy crisis again; but the development and utilization of clean energy resource solar energy realizes sustainable energy development the most directly one of mode, the shortage of reply global energy and environmental protect have positive meaning.
In solar thermal utilization, China mainly uses flat plate collector and glass-vacuum tube heat collector to provide the hot water of less than 100 DEG C at present, belongs to low-grade utility category.Although solar energy ubiquity, the solar radiation energy-flux density arriving the earth is lower, obtain the solar radiant energy that energy-flux density is higher, adopts optically focused means can obtain the heat energy of higher temperature, for industry provides energy.
Summary of the invention
The present invention, in order to overcome the shortcoming of above-mentioned technical problem, provides a kind of solar drying apparatus.
Solar drying apparatus of the present invention, its special feature is: comprise fuel tank, vacuum heat collection pipe, oil circulating pump, drying system and be arranged at the liquid gas heat exchanger in drying system, the conduction oil of hocket storage and release heat is stored in fuel tank, oil circulating pump is arranged on the oil-out of fuel tank, the oil-out of fuel tank is divided into two-way, one tunnel communicates with vacuum heat collection pipe, another road communicates with vacuum heat collection pipe, and the oil return pipe of liquid gas heat exchanger and vacuum heat collection pipe all communicates with the oil return opening of fuel tank; The periphery of vacuum heat collection pipe is evenly fixed with mirror condenser, mirror condenser utilizes the solar energy line convection focused on to heat through the conduction oil of vacuum heat collection pipe, the temperature sensor that conduction oil temperature is measured is provided with in fuel tank, the process gas that the conduction oil reaching temperature requirement flows through in liquid gas heat exchanger and drying system carries out exchange heat, completes drying operation to make process gas.
Solar drying apparatus of the present invention, the quantity of described vacuum heat collection pipe is one or more, and the pipeline between fuel tank and liquid gas heat exchanger, between fuel tank and vacuum heat collection pipe, between adjacent vacuum thermal-collecting tube all adopts thermal insulation tubing; Pipeline before fuel tank and liquid gas heat exchanger is provided with the first valve, pipeline between fuel tank and vacuum heat collection pipe is provided with the second valve, by selective closedown and the unlatching of the first valve and the second valve, control conduction oil and flow between vacuum heat collection pipe and fuel tank or between liquid gas heat exchanger and fuel tank.
Solar drying apparatus of the present invention, described drying system comprises feeder drying tube, cyclone separator and boiler fan, and feeder is arranged on drying tube, for sending into material to be dried in drying tube; One end of drying tube communicates with the gas outlet of liquid gas heat exchanger, and the other end communicates with cyclone separator, and the outlet of cyclone separator communicates through the import of boiler fan with liquid gas heat exchanger; The discharging opening of cyclone separator is provided with blanking gas lock, the below of blanking gas lock is provided with dress silk case.
Solar drying apparatus of the present invention, described blanking gas lock is provided with pressure sensor and temperature sensor, and the pipeline between boiler fan and liquid gas heat exchanger is provided with inlet flap and exhaust damper.
Solar drying apparatus of the present invention, is provided with energy storage device in described fuel tank, and energy storage device forms by phase-changing energy storage material with through the heat exchange pipeline in phase-changing energy storage material; The return pipeline of vacuum heat collection pipe is divided into two-way, and a road communicates with fuel tank, and another road communicates with the import of heat exchange pipeline; The internal cavities of fuel tank and the outlet of heat exchange pipeline all communicate with the import of oil circulating pump.
Solar drying apparatus of the present invention, pipeline before described vacuum heat collection pipe and heat exchange pipeline, fuel tank is respectively arranged with the 3rd valve, the 4th valve, fuel tank, pipeline between heat exchange pipeline and oil circulating pump are respectively arranged with the 5th valve and the 6th valve.
Solar drying apparatus of the present invention, described vacuum heat collection pipe adopts vacuum metal-glass straight pipe, to reduce heat loss, to improve the temperature of conduction oil.
Solar drying apparatus of the present invention, described drying tube adopts reducing tubular type drying tube, to reduce the height of drying tube and the power requirement to boiler fan.
Solar drying apparatus of the present invention, described phase-changing energy storage material adopts graphite foam and expanded graphite composite phase-changing energy storage material, and this material thermal conductivity is large, is beneficial to storage heat fast and release heat, ensures that energy supply is continual and steady.
The invention has the beneficial effects as follows: solar drying apparatus of the present invention, by arranging multiple mirror condenser on vacuum heat collection pipe, by can by heat-conducting oil heating to higher temperature to the focusing of solar energy; After the conduction oil of higher temperature carries out heat exchange with process gas in liquid gas heat exchanger, the process gas after intensification is treated dry matter and is carried out drying in drying tube, and as the drying to tobacco pipe tobacco, that has widened solar energy utilizes field.
Simultaneously, by arranging the energy storage device be made up of phase-changing energy storage material and heat exchange pipeline in fuel tank, when solar energy impinges abundance, solar energy more than needed can be temporarily stored in phase-changing energy storage material, when night or sunlight bad, again the fault offset in phase-changing energy storage material is out used, ensure that the sustainable utilization of whole solar drying apparatus.
The present invention has the following advantages compared with similar tobacco shreds drying pipe: adopt reducing tubular type drying tube, effectively reduces the height of drying tube, reduces the requirement to factory building height and power of fan, saves material, space and high-grade electric energy.
Accompanying drawing explanation
Fig. 1 is the structural representation of solar drying apparatus of the present invention;
Fig. 2 is the structure principle chart of energy storage device in the present invention.
In figure: 1 thermal insulation tubing, 2 vacuum heat collection pipes, 3 mirror condensers, 4 process gas, 5 cyclone separators, 6 blanking gas locks, 7 drying tubes, 8 dress silk casees, 9 feeders, 10 pressure sensors, 11 temperature sensors, 12 boiler fans, 13 liquid gas heat exchangers, 14 inlet flaps, 15 exhaust dampers, 16 adpting flanges, 17 first valves, 18 second valves, 19 oil circulating pumps, 20 fuel tanks, 21 conduction oils, 22 temperature sensors, 23 supports, 24 phase-changing energy storage materials, 25 the 3rd valves, 26 the 4th valves, 27 the 5th valves, 28 the 6th valves, 29 heat exchange pipelines.
Detailed description of the invention
Below in conjunction with accompanying drawing and embodiment, the invention will be further described.
As shown in Figure 1, give the structural representation of solar drying apparatus of the present invention, it comprises fuel tank 20, oil circulating pump 19, vacuum heat collection pipe 2, mirror condenser 3, liquid gas heat exchanger 13 and drying device, conduction oil 21 is stored in fuel tank 20, oil circulating pump 19 is arranged in the outlet of fuel tank 20, circulates for ordering about conduction oil.The outlet of oil circulating pump 19 is divided into two-way, and thermal insulation tubing of leading up to communicates with vacuum heat collection pipe 2, and thermal insulation tubing of separately leading up to communicates with liquid gas heat exchanger 13; First valve 17, second valve 18 is arranged on the thermal insulation tubing between fuel tank 20 and vacuum heat collection pipe 2, liquid gas heat exchanger 13 respectively, to control the on off operating mode of thermal insulation tubing.
The quantity of vacuum heat collection pipe 2 can adopt one or more, the quantity of the vacuum heat collection pipe 2 shown in figure is 2, mirror condenser 3 is evenly arranged at the periphery of vacuum heat collection pipe 2, mirror condenser 3 for sunray being focused on the vacuum heat collection pipe 2 of center position, the conduction oil 21 flowed through in vacuum heat collection pipe 2 is heated to higher temperature.Adjacently also be connected between vacuum heat collection pipe 2 by thermal insulation tubing 1, conduction oil 21 is back in fuel tank 20 by the vacuum heat collection pipe 2 of end.Conduction oil 21 is also back in fuel tank 20 through thermal insulation tubing by the outlet of liquid gas heat exchanger 13, and the import of liquid gas heat exchanger 13 is all connected with thermal insulation tubing 1 by adpting flange 16 with outlet; Fuel tank 20 is provided with temperature sensor 22, to measure the temperature of conduction oil 21 in fuel tank 20, vacuum heat collection pipe 2 is fixed by support 23.Vacuum heat collection pipe 2 can adopt vacuum metal-glass straight pipe, to reduce heat loss, to improve the temperature of conduction oil.
Solar energy is in conduction oil 21 heating process, first valve 17 is closed, the second valve 18 is opened, conduction oil 21 is under the driving effect of oil circulating pump 19, circulate between fuel tank 20 and vacuum heat collection pipe 2, the solar energy that mirror condenser 3 focuses on constantly heats the conduction oil 21 flowed through in vacuum heat collection pipe 2.When conduction oil 21 temperature detected in fuel tank 20 by temperature sensor 22 reaches the temperature of setting, then close the second valve 18 and open the second valve 17, under the effect of oil circulating pump 19, conduction oil 21 flows between fuel tank 20 and liquid gas heat exchanger 13, conduction oil 21 carries out heat exchange, with the temperature of lifting technique gas 4 with the process gas 4 in drying system in liquid gas heat exchanger 13.
Shown drying system is made up of feeder 9, drying tube 7, cyclone separator 5, blanking gas lock 6, boiler fan 12, and feeder 9 is arranged on drying tube 7, for sending into material to be dried in feeder 9, as cigarette pipe tobacco.The lower port of drying tube 7 communicates with the gas outlet of liquid gas heat exchanger 13, the upper port of drying tube 7 communicates with cyclone separator 5, the gas outlet of cyclone separator 5 communicates with the air inlet of boiler fan 12 by the road, and the air outlet of boiler fan 12 communicates with the air inlet of liquid gas heat exchanger 13 by the road.Blanking gas lock 6 is arranged at the below of cyclone separator 5, and the below of blanking gas lock 6 is provided with dress silk case 8, is loaded by pipe tobacco complete for drying.
Shown drying tube 7 is provided with pressure sensor 10 and temperature sensor 11, for detecting the pressure and temperature in drying tube 7.Pipeline between boiler fan 12 and liquid heat exchanger 13 is also provided with inlet flap 14 and exhaust damper 15.In dry process, the process gas 4 flowing through liquid gas heat exchanger 13 carries out heat exchange with conduction oil 21, the temperature of process gas 4 is raised, in process gas 4 pairs of drying tubes 7 of high temperature, pipe tobacco carries out drying, dried pipe tobacco realizes being separated of pipe tobacco and gas in cyclone separator 5, and the pipe tobacco after separation enters in dress silk case 8 through blanking gas lock 6.Gas is extracted out under boiler fan 12 acts on, and in process gas 4, volume part waste gas is discharged by exhaust damper 15, by inlet flap 14, a part is added the process gas feeding of steam and fresh air simultaneously, carries out cyclic drying.
As shown in Figure 2, give the structure principle chart of energy storage device in the present invention, shown energy storage device forms by phase-changing energy storage material 24 with through the heat exchange pipeline 29 in phase-changing energy storage material 24, vacuum heat collection pipe 2 not only communicates with fuel tank 20, also communicate with the import of heat exchange pipeline 29, thermal insulation tubing before vacuum heat collection pipe 2 and heat exchange pipeline 29, fuel tank 20 arranges the 3rd valve 25, the 4th valve 26 respectively, heat exchange pipeline 29, thermal insulation tubing between fuel tank 20 and oil circulating pump 19 are respectively arranged with the 6th valve 28 and the 5th valve 27.Phase-changing energy storage material 24 can adopt graphite foam and expanded graphite composite phase-changing energy storage material, and this material thermal conductivity is large, is beneficial to storage heat fast and release heat, ensures that energy supply is continual and steady.
Under fair weather condition, 3rd valve 25 is opened, conduction oil 21 stores energy in inside phase-changing energy storage material 24 by heat exchange pipeline 29, when unsettled weather factor affects, open the 3rd valve 25 and the 4th valve 28, phase-changing energy storage material 24 starts to release energy, and conduction oil 21 is heated to design temperature in heat exchange pipeline 29, the stable energy supply to liquid gas heat exchanger 13 can be ensured, guarantee that dry pipe tobacco device normally works.
Solar drying apparatus of the present invention, mainly have employed the mirror condenser of high reflectance, by the mirror condenser of high reflectance solar light focusing on vacuum heat collection pipe 2, improve the energy-flux density of sunshine, improve solar energy heating efficiency, ensure that conduction oil output temperature.When fine; by graphite foam and expanded graphite composite phase-changing energy storage material, portion of energy can be stored; when unsettled weather factor affects; ensure that the output temperature of conduction oil is stablized; guarantee that process gas temperature fluctuating range is within controlled range; can effective economize energy, protection of the environment.
Claims (9)
1. a solar drying apparatus, it is characterized in that: the liquid gas heat exchanger (13) comprising fuel tank (20), vacuum heat collection pipe (2), oil circulating pump (19), drying system and be arranged in drying system, the conduction oil (21) of hocket storage and release heat is stored in fuel tank, oil circulating pump is arranged on the oil-out of fuel tank, the oil-out of fuel tank is divided into two-way, one tunnel communicates with vacuum heat collection pipe, another road communicates with vacuum heat collection pipe, and the oil return pipe of liquid gas heat exchanger and vacuum heat collection pipe all communicates with the oil return opening of fuel tank; The periphery of vacuum heat collection pipe is evenly fixed with mirror condenser (3), mirror condenser utilizes the solar energy line convection focused on to heat through the conduction oil of vacuum heat collection pipe, the temperature sensor (22) that conduction oil temperature is measured is provided with in fuel tank, the process gas that the conduction oil reaching temperature requirement flows through in liquid gas heat exchanger and drying system carries out exchange heat, completes drying operation to make process gas.
2. solar drying apparatus according to claim 1, it is characterized in that: the quantity of described vacuum heat collection pipe (2) is one or more, and the pipeline between fuel tank (20) and liquid gas heat exchanger (13), between fuel tank and vacuum heat collection pipe (2), between adjacent vacuum thermal-collecting tube all adopts thermal insulation tubing (1); Pipeline before fuel tank and liquid gas heat exchanger is provided with the first valve (17), pipeline between fuel tank and vacuum heat collection pipe is provided with the second valve (18), by selective closedown and the unlatching of the first valve and the second valve, control conduction oil (21) and flow between vacuum heat collection pipe and fuel tank or between liquid gas heat exchanger and fuel tank.
3. solar drying apparatus according to claim 1 and 2, it is characterized in that: described drying system comprises feeder (9), drying tube (7), cyclone separator (5) and boiler fan (12), feeder is arranged on drying tube, for sending into material to be dried in drying tube; One end of drying tube communicates with the gas outlet of liquid gas heat exchanger (13), and the other end communicates with cyclone separator (5), and the outlet of cyclone separator communicates through the import of boiler fan with liquid gas heat exchanger; The discharging opening of cyclone separator is provided with blanking gas lock (6), the below of blanking gas lock is provided with dress silk case (8).
4. solar drying apparatus according to claim 3, it is characterized in that: described blanking gas lock (6) is provided with pressure sensor (10) and temperature sensor (11), the pipeline between boiler fan (12) and liquid gas heat exchanger (13) is provided with inlet flap (14) and exhaust damper (15).
5. solar drying apparatus according to claim 1 and 2, is characterized in that: described fuel tank is provided with energy storage device in (20), and energy storage device forms by phase-changing energy storage material (24) with through the heat exchange pipeline (29) in phase-changing energy storage material; The return pipeline of vacuum heat collection pipe (2) is divided into two-way, and a road communicates with fuel tank (20), and another road communicates with the import of heat exchange pipeline (29); The outlet of the internal cavities of fuel tank and heat exchange pipeline (29) all communicates with the import of oil circulating pump (19).
6. solar drying apparatus according to claim 1 and 2, it is characterized in that: the pipeline before described vacuum heat collection pipe (2) and heat exchange pipeline (29), fuel tank (20) is respectively arranged with the 3rd valve (25), the 4th valve (26), fuel tank, pipeline between heat exchange pipeline and oil circulating pump are respectively arranged with the 5th valve (27) and the 6th valve (28).
7. solar drying apparatus according to claim 1 and 2, is characterized in that: described vacuum heat collection pipe (2) adopts vacuum metal-glass straight pipe, to reduce heat loss, to improve the temperature of conduction oil.
8. solar drying apparatus according to claim 2, is characterized in that: described drying tube adopts reducing tubular type drying tube, to reduce the height of drying tube and the power requirement to boiler fan.
9. solar drying apparatus according to claim 2, it is characterized in that: described phase-changing energy storage material (24) adopts graphite foam and expanded graphite composite phase-changing energy storage material, this material thermal conductivity is large, is beneficial to storage heat fast and release heat, ensures that energy supply is continual and steady.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510739161.7A CN105222371A (en) | 2015-11-04 | 2015-11-04 | A kind of solar drying apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510739161.7A CN105222371A (en) | 2015-11-04 | 2015-11-04 | A kind of solar drying apparatus |
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| CN105222371A true CN105222371A (en) | 2016-01-06 |
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| CN201510739161.7A Pending CN105222371A (en) | 2015-11-04 | 2015-11-04 | A kind of solar drying apparatus |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108062135A (en) * | 2018-01-10 | 2018-05-22 | 中国烟草总公司郑州烟草研究院 | A kind of constant-temperaturetest test device and method suitable for tobacco thermophysical property measurement |
| CN108645191A (en) * | 2018-05-10 | 2018-10-12 | 攀枝花学院 | The method of solar energy drying graphite |
| CN109894286A (en) * | 2019-02-21 | 2019-06-18 | 中国矿业大学 | A kind of particulate mineral dry separation system based on solar energy and heat accumulation |
| CN110108093A (en) * | 2019-05-06 | 2019-08-09 | 中车工业研究院有限公司 | Solar energy drying equipment |
| CN112648803A (en) * | 2019-10-11 | 2021-04-13 | 云南师范大学 | Groove type solar high-voltage electric field drying tube |
| CN114353343A (en) * | 2022-01-14 | 2022-04-15 | 常州大学 | Double-pipe groove type solar heat collection underground rock stratum clear oil drying system and using method thereof |
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| CN102242699A (en) * | 2010-05-12 | 2011-11-16 | 中国科学院工程热物理研究所 | Double-stage heat storage trough type solar thermal power generation system |
| CN102607244A (en) * | 2012-04-05 | 2012-07-25 | 镇江新梦溪能源科技有限公司 | Tube type integrated solar dryer |
| CN103584270A (en) * | 2012-08-14 | 2014-02-19 | 云南师范大学 | Diameter-changing tube type air flow tobacco shred drying device based on groove type light gathering solar energy |
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| CN1844790A (en) * | 2006-05-12 | 2006-10-11 | 北京理工大学 | Forced circulating type solar stove employing condenser to guide sunlight and high-temperature phase-change material to store solar energy |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108062135A (en) * | 2018-01-10 | 2018-05-22 | 中国烟草总公司郑州烟草研究院 | A kind of constant-temperaturetest test device and method suitable for tobacco thermophysical property measurement |
| CN108645191A (en) * | 2018-05-10 | 2018-10-12 | 攀枝花学院 | The method of solar energy drying graphite |
| CN109894286A (en) * | 2019-02-21 | 2019-06-18 | 中国矿业大学 | A kind of particulate mineral dry separation system based on solar energy and heat accumulation |
| CN109894286B (en) * | 2019-02-21 | 2019-12-24 | 中国矿业大学 | Particle mineral dry separation system based on solar energy and heat storage |
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| CN112648803A (en) * | 2019-10-11 | 2021-04-13 | 云南师范大学 | Groove type solar high-voltage electric field drying tube |
| CN114353343A (en) * | 2022-01-14 | 2022-04-15 | 常州大学 | Double-pipe groove type solar heat collection underground rock stratum clear oil drying system and using method thereof |
| CN114353343B (en) * | 2022-01-14 | 2024-04-05 | 常州大学 | Underground stratum clear oil drying system with double-tube-type solar heat collection function and application method thereof |
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