CN103859552A - Novel efficient energy-saving steam thermal supply type industrial food dryer - Google Patents
Novel efficient energy-saving steam thermal supply type industrial food dryer Download PDFInfo
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- CN103859552A CN103859552A CN201210535023.3A CN201210535023A CN103859552A CN 103859552 A CN103859552 A CN 103859552A CN 201210535023 A CN201210535023 A CN 201210535023A CN 103859552 A CN103859552 A CN 103859552A
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- food industry
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- 235000013305 food Nutrition 0.000 title claims abstract description 98
- 238000001035 drying Methods 0.000 claims abstract description 97
- 239000002918 waste heat Substances 0.000 claims abstract description 90
- 238000011084 recovery Methods 0.000 claims abstract description 13
- 239000007789 gas Substances 0.000 claims abstract description 3
- 238000010438 heat treatment Methods 0.000 claims description 79
- 239000002912 waste gas Substances 0.000 claims description 10
- 238000010586 diagram Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 5
- 235000013324 preserved food Nutrition 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 231100000252 nontoxic Toxicity 0.000 claims description 2
- 230000003000 nontoxic effect Effects 0.000 claims description 2
- 210000000056 organ Anatomy 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 6
- 230000001737 promoting effect Effects 0.000 abstract description 3
- 238000011161 development Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- 125000004122 cyclic group Chemical group 0.000 abstract 1
- 239000003814 drug Substances 0.000 abstract 1
- 230000002265 prevention Effects 0.000 abstract 1
- 230000005855 radiation Effects 0.000 abstract 1
- 238000013459 approach Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
- A23L3/40—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by drying or kilning; Subsequent reconstitution
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/85—Food storage or conservation, e.g. cooling or drying
Abstract
The invention provides a novel efficient energy-saving steam thermal supply type industrial food dryer, and especially provides a novel efficient energy-saving steam thermal supply type industrial food dryer which realizes multi-temperature-layer graded heat-pipe waste-heat recovery and cyclic utilization. Because energy-saving environment-friendly technologies such as multi-temperature-layer graded heat-pipe waste-heat recovery circulation, outer shell heat radiation prevention and the like, the heat energy provided by an steam thermal supply pipe group is extremely efficiently utilized, electric energy can be saved about 60% according to estimation, also discharged gas is clean, and almost no waste heat is discharged. Also the dryer is compact in structure and easy to manage, a big progress is realized for pushing the environment-protection energy-saving process of medicine drying industry, and the steam thermal supply type industrial food dryer has important practical significance for protecting environment and promoting social economy development once the dryer is popularized and used.
Description
Technical field: the invention provides a kind of steam heating formula food industry drying machine of novel high-efficiency and energy-saving, especially relate to a kind of steam heating formula food industry drying machine of many temperature layer novel high-efficiency and energy-saving that point class heat pipe waste heat recovery recycles.
Technical background: traditional steam heating formula food industry drying machine, its principle is all to utilize steam-energy to make steam heating pipe produce a large amount of heats to heat the pure air that will suck in food industry drying machine, make it to be warmed up to a certain degree laggard enter food industrial drying machine inner drying food, waste heat is directly discharged outside food industry drying machine with waste gas.The shortcoming of this traditional steam heating formula food industry drying machine is to need to consume a large amount of steam thermal energies in the process of dried foods, and a large amount of steam thermal energies only passes once or several times in food industry drying machine, having a large amount of waste heat that the waste gas of higher temperature carries has but drained in vain with the waste gas of food industry drying machine, and because this traditional steam heating formula food industry drying machine need to use many powerful steam heating pipes simultaneously, therefore also need high-level steam channel to support the use.The present invention is the steam heating formula food industry drying machine of the novel high-efficiency and energy-saving that designs in order to solve above-mentioned shortcoming.
Technical scheme: the object that reaches energy-efficient and be easy to management in order to realize this Novel steam heat-supply type food industry drying machine, the technical solution used in the present invention is: the air inlet of box steam heating formula food industry drying machine is arranged on to top, the exhaust passage of drying machine is arranged on lower back portion, and the heat pipe residual neat recovering system of a set of many temperature layer point class is set in exhaust passage, the waste heat that steam heating formula food industry drying machine is discharged is divided into 70 DEG C of above high temperature by temperature height, after three class such as the low temperature of middle gentle 20 DEG C to 40 DEG C of 40 DEG C to 70 DEG C reclaim, be used for the progressively pure air of pre-heating intaking mouth, again these progressively the pure air after preheating send to the steam heating pipe group of food industrial drying machine and further after heating, send into food industry drying machine inner drying food, circulation according to this, until food drying, so, the waste heat that has reclaimed the discharge of food industry drying machine owing to constantly circulating carrys out the air of pre-heating intaking mouth, the waste gas of food industry drying machine discharge has not had waste heat substantially, and temperature in food industry drying machine can be more and more higher, the speed of food drying can be more and more faster, therefore, under the same prerequisite of dried foods effect, food industry drying machine is used for the steam heating amount of steam heating pipe group of heat supply can be than originally less, or under the same prerequisite of the steam heating flow of steam heating pipe group, the speed of food industry drying machine dried foods can be than originally faster, thereby reach higher energy-saving effect, estimate that the highest comparable original steam heating formula food industry drying machine steam saving can reach more than 60%, and the cleaning gas of discharge is substantially without used heat, compact conformation simultaneously, manageability, the requirement of supporting steam channel can be lower.The steam heating formula food industry drying machine of the novel high-efficiency and energy-saving that many temperature layers point class heat pipe waste heat recovery that Here it is recycles.Be described in further detail below in conjunction with Fig. 1, Fig. 2, Fig. 3.
Fig. 1 is the schematic diagram of embodiment of the present invention one.
Fig. 2 is the schematic diagram of embodiment of the present invention two.
Fig. 3 is the schematic diagram of embodiment of the present invention three.
The concrete structure of scheme one is: comprise improved box steam heating formula food industry drying machine 1, finned high-temperature heat pipe waste-heat recoverer epimere 2, finned high-temperature heat pipe waste-heat recoverer intermediate connection pipe 3, finned high-temperature heat pipe waste-heat recoverer hypomere 4, finned moderate temperature heat pipe waste-heat recoverer epimere 5, finned moderate temperature heat pipe waste-heat recoverer intermediate connection pipe 6, finned moderate temperature heat pipe waste-heat recoverer hypomere 7, finned Cryo Heat Tube waste-heat recoverer epimere 8, finned Cryo Heat Tube waste-heat recoverer intermediate connection pipe 9, finned Cryo Heat Tube waste-heat recoverer hypomere 10, temperature controller 11, muff 12, heat-insulation layer 13 compositions such as parts such as grade.Concrete connection is: the air intake passage on improved box steam heating formula food industry drying machine (1) top is installed finned high-temperature heat pipe waste-heat recoverer epimere (2) by nexine, finned moderate temperature heat pipe waste-heat recoverer epimere (5) is installed respectively in air intake passage middle level on steam heating formula food industry drying machine (1) top, air intake passage skin on steam heating formula food industry drying machine (1) top is installed respectively finned Cryo Heat Tube waste-heat recoverer epimere (8), in steam heating formula food industry drying machine (1) exhaust passage, bottom, endonexine is installed finned high-temperature heat pipe waste-heat recoverer hypomere (4), in steam heating formula food industry drying machine (1) exhaust passage, bottom, mesonexine is installed finned moderate temperature heat pipe waste-heat recoverer hypomere (7), in steam heating formula food industry drying machine (1) exhaust passage, bottom, ectonexine is installed finned Cryo Heat Tube waste-heat recoverer hypomere (10), then the finned high-temperature heat pipe waste-heat recoverer epimere (2) of air intake passage nexine is connected with the finned high-temperature heat pipe waste-heat recoverer intermediate connection pipe (3) passing through along steam heating formula food industry drying machine (1) inner space with hypomere (4), the finned moderate temperature heat pipe waste-heat recoverer epimere (5) in air intake passage middle level is connected with the finned moderate temperature heat pipe waste-heat recoverer intermediate connection pipe (6) passing through along steam heating formula food industry drying machine (1) inner space respectively with hypomere (7), outer field air intake passage finned Cryo Heat Tube waste-heat recoverer epimere (8) is connected with the finned Cryo Heat Tube waste-heat recoverer intermediate connection pipe (9) passing through along steam heating formula food industry drying machine (1) inner space with hypomere (10), then muff (12) is enclosed within respectively on heat pipe waste-heat recoverer intermediate connection pipe (3), (6), (9), heat-insulation layer is fixed on steam heating formula food industry drying machine (1) inner surface, then temperature controller (11) is electrically connected with power supply, finally respectively the air in the high temperature connecting, middle temperature, Cryo Heat Tube waste heat recovery organ pipe is found time, and filling accounts for the liquid working substance of high temperature, middle temperature, low temperature and the non-toxic and safe of long-pending 30% left and right of system for content respectively, in the system of three kinds of heat pipe waste-heat recoverers, to keep certain vacuum remain unchanged for a long period of time (ensureing air tight for a long time) simultaneously.So far, scheme one has been assembled.
Scheme two: the scheme that specifically assembles of scheme two and scheme one unique different be to have lacked high-temperature heat pipe residual neat recovering system, other parts connected mode is consistent with the connected mode of scheme one, and being applicable to manufacture bake out temperature is not very high steam heating formula food industry drying machine.
Scheme three: what the scheme that specifically assembles of scheme three was different from scheme one is to have lacked high-temperature heat pipe residual neat recovering system and moderate temperature heat pipe residual neat recovering system, other parts connected mode is consistent with the connected mode of scheme one, for the manufacture of the lower steam heating formula food industry drying machine of bake out temperature.
Operation principle: the operation principle of scheme one is: steam is by heating tube group in the time that steam heating formula food industry drying machine (1) starts after transformation, the pure air of air intake passage by steam heating pipe group heating laggard enter food industrial drying machine inner drying food, then the waste gas that carries steam and waste heat is from the exhaust passage in food industry drying machine bottom successively from finned high-temperature heat pipe waste-heat recoverer hypomere (4), finned moderate temperature heat pipe waste-heat recoverer hypomere (7) and finned Cryo Heat Tube waste-heat recoverer hypomere (10) process, and discharge in air after having been absorbed most waste heats by this three sleeving temperature heat pipe residual neat recovering system from high to low, in this waste heat recovery process, Cryo Heat Tube waste-heat recoverer hypomere (10) has absorbed finally by crossing in the waste gas of discharging exhaust passage and has exceeded heat more than normal temperature, and after finned Cryo Heat Tube waste-heat recoverer intermediate connection pipe (9) is uploaded to finned Cryo Heat Tube waste-heat recoverer epimere (8), the pure air that enters finned Cryo Heat Tube waste-heat recoverer epimere (8) is carried out to preliminary preheating, moderate temperature heat pipe waste-heat recoverer hypomere (7) has absorbed in the waste gas at middle part, exhaust passage and has exceeded heat more than moderate temperature, and after finned moderate temperature heat pipe waste-heat recoverer intermediate connection pipe (6) reaches finned moderate temperature heat pipe waste-heat recoverer epimere (5), to entering finned moderate temperature heat pipe waste-heat recoverer epimere (5) and having passed through the tentatively further pre-heating temperature elevation of pure air of preheating of finned Cryo Heat Tube waste-heat recoverer epimere (8), high-temperature heat pipe waste-heat recoverer hypomere (4) has absorbed the heat of high temperature in the waste gas of preliminary discharge exhaust passage, and after finned high-temperature heat pipe waste-heat recoverer intermediate connection pipe (3) reaches finned high-temperature heat pipe waste-heat recoverer epimere (2), to enter finned high-temperature heat pipe waste-heat recoverer epimere (2) and passed through finned moderate temperature heat pipe waste-heat recoverer epimere (5) further the pure air of preheating make last pre-heating temperature elevation, then these by from low temperature to high temperature progressively the pure air after pre-heating temperature elevation again by the steam heating pipe group of food industry drying machine be heated into high temperature pure air laggard enter food industrial drying machine inner drying food, according to this circulation, in this food drying process, in the time that the temperature in food industry drying machine reaches predetermined temperature, temperature controller (11) can cut off the steam channel of steam heating pipe group automatically, stop the heat supply of steam heating pipe group, and temperature in food industry drying machine is during lower than predetermined temperature, temperature controller (11) can be connected again the steam channel of steam heating pipe group automatically, allow steam heating pipe group continue to the heat supply of food industrial drying machine, and in the make and break process of steam heating pipeline, food industry drying machine still works on, the waste heat of its discharge is still constantly recovered utilization, and be not substantially wasted, until food drying, in addition, in this process, be enclosed within heat pipe waste-heat recoverer intermediate connection pipe (3), (6), (9) muff (12) on is because there is heat-blocking action, get rid of heat pipe waste-heat recoverer intermediate connection pipe (3), (6), (9) mutual impact while heat transfer, ensure the waste heat recovery of the many temperature layers of execution point class smoothly of heat pipe waste-heat recoverer, and it is same because there is heat-blocking action to be fixed on heat-insulation layer (13) on food industry drying machine inner surface, cut off the approach that the heat in food industry drying machine outwards transmits by the metal-back of food industry drying machine, force the heat in food industry drying machine to discharge and to be reclaimed by heat pipe residual neat recovering system by the exhaust outlet of food industry drying machine with waste gas.The above technology of integrated use, the energy-saving effect of the steam heating formula food industry drying machine of the novel high-efficiency and energy-saving that point class heat pipe waste heat recovery of this many temperature layers recycles can reach more than 60%, and because utilized many temperature layer point class heat pipe residual neat recovering systems, the used heat that steam heating formula food industry drying machine is discharged still less, more environmental protection, and the steam flow of the steam heating pipe group that food industry drying machine need to use can be less than original steam flow, and the requirement of supporting steam channel can be lower than original requirement.This is the operation principle of the steam heating formula food industry drying machine of many temperature layer novel high-efficiency and energy-saving that point class heat pipe waste heat recovery recycles.The operation principle of the operation principle of scheme two, scheme three and scheme one is similar, has just seldom been described here.
Social benefit: the steam heating formula food industry drying machine of the novel high-efficiency and energy-saving that point class heat pipe waste heat recovery of this many temperature layers recycles, because energy-saving effect is very good, and supporting steam channel requirement can be lower, compact conformation, simple to operation, management maintenance is saved worry, a much progress to the energy-conservation process that advances food drying industry, once promoting the use of, to promoting that socio-economic development will have important practical significance.
Claims (3)
1. the invention provides a kind of steam heating formula food industry drying machine of novel high-efficiency and energy-saving, the steam heating formula food industry drying machine of the novel high-efficiency and energy-saving that point class heat pipe waste heat recovery of especially a kind of many temperature layers recycles, comprise: the air inlet of box steam heating formula food industry drying machine is arranged on to top, the exhaust passage of drying machine is arranged on lower back portion, and the heat pipe residual neat recovering system of a set of many temperature layer point class is set in exhaust passage, the waste heat that steam heating formula food industry drying machine is discharged is divided into 70 DEG C of above high temperature by temperature height, after three class such as the low temperature of middle gentle 20 DEG C to 40 DEG C of 40 DEG C to 70 DEG C reclaim, be used for the progressively pure air of pre-heating intaking mouth, again these progressively the pure air after preheating send to the steam heating pipe group of food industrial drying machine and further after heating, send into food industry drying machine inner drying food, circulation according to this, until food drying, so, the waste heat that has reclaimed the discharge of food industry drying machine owing to constantly circulating carrys out the air of pre-heating intaking mouth, the waste gas of food industry drying machine discharge has not had waste heat substantially, and temperature in food industry drying machine can be more and more higher, the speed of food drying can be more and more faster, therefore, under the same prerequisite of dried foods effect, food industry drying machine is used for the steam heating amount of steam heating pipe group of heat supply can be than originally less, or under the same prerequisite of the steam heating flow of steam heating pipe group, the speed of food industry drying machine dried foods can be than originally faster, thereby reach higher energy-saving effect, estimate that the highest comparable original steam heating formula food industry drying machine steam saving can reach more than 60%, and the cleaning gas of discharge is substantially without used heat, compact conformation simultaneously, manageability, the requirement of supporting steam channel can be lower.The steam heating formula food industry drying machine of the novel high-efficiency and energy-saving that many temperature layers point class heat pipe waste heat recovery that Here it is recycles, is described in further detail below in conjunction with Fig. 1.
Fig. 1 is the schematic diagram of embodiment of the present invention one.
The concrete structure of scheme one is: comprise improved box steam heating formula food industry drying machine 1, finned high-temperature heat pipe waste-heat recoverer epimere 2, finned high-temperature heat pipe waste-heat recoverer intermediate connection pipe 3, finned high-temperature heat pipe waste-heat recoverer hypomere 4, finned moderate temperature heat pipe waste-heat recoverer epimere 5, finned moderate temperature heat pipe waste-heat recoverer intermediate connection pipe 6, finned moderate temperature heat pipe waste-heat recoverer hypomere 7, finned Cryo Heat Tube waste-heat recoverer epimere 8, finned Cryo Heat Tube waste-heat recoverer intermediate connection pipe 9, finned Cryo Heat Tube waste-heat recoverer hypomere 10, temperature controller 11, muff 12, heat-insulation layer 13 compositions such as parts such as grade.Concrete connection is: the air intake passage on improved box steam heating formula food industry drying machine (1) top is installed finned high-temperature heat pipe waste-heat recoverer epimere (2) by nexine, finned moderate temperature heat pipe waste-heat recoverer epimere (5) is installed respectively in air intake passage middle level on steam heating formula food industry drying machine (1) top, air intake passage skin on steam heating formula food industry drying machine (1) top is installed respectively finned Cryo Heat Tube waste-heat recoverer epimere (8), in steam heating formula food industry drying machine (1) exhaust passage, bottom, endonexine is installed finned high-temperature heat pipe waste-heat recoverer hypomere (4), in steam heating formula food industry drying machine (1) exhaust passage, bottom, mesonexine is installed finned moderate temperature heat pipe waste-heat recoverer hypomere (7), in steam heating formula food industry drying machine (1) exhaust passage, bottom, ectonexine is installed finned Cryo Heat Tube waste-heat recoverer hypomere (10), then the finned high-temperature heat pipe waste-heat recoverer epimere (2) of air intake passage nexine is connected with the finned high-temperature heat pipe waste-heat recoverer intermediate connection pipe (3) passing through along steam heating formula food industry drying machine (1) inner space with hypomere (4), the finned moderate temperature heat pipe waste-heat recoverer epimere (5) in air intake passage middle level is connected with the finned moderate temperature heat pipe waste-heat recoverer intermediate connection pipe (6) passing through along steam heating formula food industry drying machine (1) inner space respectively with hypomere (7), outer field air intake passage finned Cryo Heat Tube waste-heat recoverer epimere (8) is connected with the finned Cryo Heat Tube waste-heat recoverer intermediate connection pipe (9) passing through along steam heating formula food industry drying machine (1) inner space with hypomere (10), then muff (12) is enclosed within respectively on heat pipe waste-heat recoverer intermediate connection pipe (3), (6), (9), heat-insulation layer is fixed on steam heating formula food industry drying machine (1) inner surface, then temperature controller (11) is electrically connected with power supply, finally respectively the air in the high temperature connecting, middle temperature, Cryo Heat Tube waste heat recovery organ pipe is found time, and filling accounts for the liquid working substance of high temperature, middle temperature, low temperature and the non-toxic and safe of long-pending 30% left and right of system for content respectively, in the system of three kinds of heat pipe waste-heat recoverers, to keep certain vacuum remain unchanged for a long period of time (ensureing air tight for a long time) simultaneously.So far, scheme one has been assembled.
2. device is characterized in that according to claim 1: the scheme that specifically assembles of scheme two and scheme one unique different be to have lacked high-temperature heat pipe residual neat recovering system, other parts connected mode is consistent with the connected mode of scheme one, being applicable to manufacture bake out temperature is not very high steam heating formula food industry drying machine, and Fig. 2 is the schematic diagram of embodiment of the present invention two.
3. device is characterized in that according to claim 1: what the scheme that specifically assembles of scheme three was different from scheme one is to have lacked high-temperature heat pipe residual neat recovering system and moderate temperature heat pipe residual neat recovering system, other parts connected mode is consistent with the connected mode of scheme one, for the manufacture of the lower steam heating formula food industry drying machine of bake out temperature, Fig. 3 is the schematic diagram of embodiment of the present invention three.
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CN201210535023.3A CN103859552A (en) | 2012-12-12 | 2012-12-12 | Novel efficient energy-saving steam thermal supply type industrial food dryer |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2427730Y (en) * | 2000-06-15 | 2001-04-25 | 向祖新 | Box like steaming drying apparatus |
CN201159577Y (en) * | 2007-12-28 | 2008-12-03 | 朱政荣 | Heated air circulation baking oven |
CN202041044U (en) * | 2011-04-27 | 2011-11-16 | 国家海洋局第三海洋研究所 | Spray drying waste heat recycling device |
-
2012
- 2012-12-12 CN CN201210535023.3A patent/CN103859552A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2427730Y (en) * | 2000-06-15 | 2001-04-25 | 向祖新 | Box like steaming drying apparatus |
CN201159577Y (en) * | 2007-12-28 | 2008-12-03 | 朱政荣 | Heated air circulation baking oven |
CN202041044U (en) * | 2011-04-27 | 2011-11-16 | 国家海洋局第三海洋研究所 | Spray drying waste heat recycling device |
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Application publication date: 20140618 |