CN106996694A - Aluminium melting furnace ceramic honeycomb body heat storage tank - Google Patents
Aluminium melting furnace ceramic honeycomb body heat storage tank Download PDFInfo
- Publication number
- CN106996694A CN106996694A CN201710347563.1A CN201710347563A CN106996694A CN 106996694 A CN106996694 A CN 106996694A CN 201710347563 A CN201710347563 A CN 201710347563A CN 106996694 A CN106996694 A CN 106996694A
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- Prior art keywords
- casing
- filter
- heat storage
- ceramic honeycomb
- box
- Prior art date
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- Pending
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- 238000005338 heat storage Methods 0.000 title claims abstract description 44
- 239000000919 ceramic Substances 0.000 title claims abstract description 38
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 27
- 239000004411 aluminium Substances 0.000 title claims abstract description 26
- 238000002844 melting Methods 0.000 title claims abstract description 26
- 230000008018 melting Effects 0.000 title claims abstract description 26
- 229910000831 Steel Inorganic materials 0.000 claims description 29
- 239000010959 steel Substances 0.000 claims description 29
- 238000004140 cleaning Methods 0.000 claims description 7
- 239000003351 stiffener Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 241000233855 Orchidaceae Species 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 8
- 230000001413 cellular effect Effects 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000009825 accumulation Methods 0.000 abstract description 4
- 238000002485 combustion reaction Methods 0.000 description 6
- 230000009467 reduction Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 239000000779 smoke Substances 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000001172 regenerating effect Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 241000256844 Apis mellifera Species 0.000 description 1
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000007499 fusion processing Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B14/14—Arrangements of heating devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
- F27D2017/007—Systems for reclaiming waste heat including regenerators
-
- 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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Air Supply (AREA)
- Filtering Materials (AREA)
Abstract
The invention discloses a kind of aluminium melting furnace new ceramics honeycomb ceramics accumulation of heat box structure, including lower part box, support filter casing, middle part casing, upper box body, filter support column, ceramic honeycomb body, middle part casing is connected on lower part box using flange, filter support column is arranged in lower part box, support filter is arranged in lower part box and is supported on filter support column, ceramic honeycomb body is arranged in the casing of middle part and is supported on the support filter of lower part box, upper box body is connected on the casing of middle part using flange, lower part box, flange connection between middle part casing and upper box body uses quick release connected mode, upper box body is designed with burner head mounting flange interface.The present invention is mainly characterized by heat storage and uses the ceramic honeycomb heat storage designed exclusively for aluminium melting furnace and box assembly connection to use quick release connected mode, it is different from traditional spherical heat storage, cellular heat storage compares spherical heat storage, with heat exchange specific surface area is big, the pressure loss is small, service life is long, the advantages of maintenance workload is few；Quick release connected mode reduces the servicing time.
Description
Technical field
The present invention relates to a kind of aluminium melting furnace heat storage tank, specifically a kind of aluminium melting furnace ceramic honeycomb body accumulation of heat
Case, belongs to energy-conserving and emission-cutting technology equipment technical field.
Background technology
Aluminium melting furnace is the main equipment of aluminium processing industry energy resource consumption, but its energy utilization rate is very low, without remaining
The average thermal efficiency of the aluminium melting furnace of heat reclamation device only has 30% or so.It is total that the heat that aluminium melting furnace high-temperature flue gas is taken away accounts for its
The 30%~50% of energy consumption.Heat accumulating type high temperature air combustion technology fundamentally improves the energy utilization rate of aluminium melting furnace, utilizes
The heat that recovered flue gas is taken away heats combustion air or coal gas, has both saved fuel, furnace thermal efficiency can be improved again.Separately
Outside, the discharge of NOx during aluminium melting furnace burner combustion can also be reduced, environmental pollution is reduced, human health is protected.
It is domestic to be begun one's study regenerative heat technology from late 1980s, start to possess Patents after the nineties, at present
Domestic steel and iron industry, coloured, chemical industry, glass industry have application.Current aluminium melting furnace Regenerative Combustion System is mainly using spherical
Heat storage is as heat transferring medium, and its advantage is to be convenient for changing cleaning；But shortcoming is also than more prominent, the pressure loss is big, cleaning is damaged
Consumption is big（Once about 10% spherical heat storage is lost in cleaning）, easily block, safeguard change frequently etc..
The content of the invention
The technical problems to be solved by the invention are a kind of aluminium melting furnace ceramic honeycomb body heat storage tank to be proposed, with heat exchange
Specific surface area is big, the pressure loss is small, service life is long, the advantages of maintenance workload is few；Quick release connected mode is reduced
Servicing time.
The present invention solve above technical problem technical scheme be：A kind of aluminium melting furnace ceramic honeycomb body heat storage tank is provided,
Including lower part box, support filter casing, middle part casing, upper box body and ceramic honeycomb body；The lower part box uses steel
The rectangular casing of plate weld, bottom half uses steel plate back cover, is welded with casing open topped and in open outside surrounding
Square flange, the casing length direction two sides are symmetrically provided with airduct connection inclined-plane interface, and the casing width one side is opened
There are cleaning door and deashing velar plate, cleared out for dust in casing；
The support filter casing is arranged on the open-mouth top of lower part box, and support filter casing is welded into under using steel plate
The consistent rectangular box of portion casing outer ring size, supporting filter casing to adopt, middle inner ring is intermittently-arranged to be had for laying support filter
Supporting plate, the supporting plate bottom arranged for interval stiffener plate, support grid casing is using on fastener and affiliated lower part box
The square flange in portion is connected；
The middle part casing is welded into the rectangular box structure of lower open mouth using steel plate, in the middle part casing upper and lower part
Open-mouth is welded with square flange, and middle part casing uses fast quick-detach connected mode and the square flange phase on the lower part box top
Even, the wall of the middle part casing surrounding inwall is coated using castable refractory and fibrofelt, the ceramic honeycomb body cloth
Put in middle part box house, and by supporting filter casing upper support filter to support the ceramic honeycomb body；
The upper box body is welded using steel plate, and observation port is provided with upper box body, equipped with work on the observation port
Dynamic cover plate, the upper box body side is provided with the interface being connected with burner nozzle, all contact high temperature of upper box body inwall
Position is coated using castable refractory and fibrofelt.
The present invention further restriction technical scheme, foregoing aluminium melting furnace ceramic honeycomb body heat storage tank, the support every
Filter support column is additionally provided with net cage body, the filter support column uses the upper and lower end parts in steel pipe to be formed by the weldering of round plate group
Column structure, filter support column bottom is arranged on the bottom steel plate in lower part box, at the top of the filter support column with
Supporting plate is fixedly linked.
Further, the outside of foregoing aluminium melting furnace ceramic honeycomb body heat storage tank, the lower part box and middle part casing
The stiffener plate that surrounding arrangement is made up of band steel；The support filter is the network structure being welded using stainless steel band steel,
Filter is supported to be arranged in the supporting plate supported in filter casing, for supporting ceramic honeycomb body, in the side of the upper box body
Face is provided with thermometer hole.
The application has the advantage that compared with existing heat storage tank：
The cellular heat storage of optimization design can under complicated aluminum melting furnace smoke composition long time continuous working, such as：
The inorganic salts and raw material that additive volatilizees in fusion process bring some impurity into；The valid circulation area of cellular heat storage is about
2.5 times of spherical heat storage, it is not easy to block；The pressure loss of cellular heat storage is about the half of spherical heat storage, simultaneously
Combustion-supporting and smoke exhaust fan power more than 30% can be reduced；
(2) cellular heat storage most short half a year changes a top heat storage, and maintenance period is greatly prolonged；Compared to spherical accumulation of heat
Body two weeks needed to be replaced and cleaned frequency once to one month, and honeycomb type heat storage can substantially reduce maintenance cost, due to
Honeycomb type heat storage is through-type fluid passage, can play a part of self-cleaning combustion-supporting air flow is out-of-date, effectively reduction
The blocking possibility of honeycomb type heat storage；
(3) in the case of identical filling quality, identical furnace gas and exhaust gas temperature, cellular heat storage heat-accumulating burner switching time ratio
Spherical heat storage heat-accumulating burner switching time is longer, is conducive to the stabilization of furnace pressure, is conducive to improving furnace thermal efficiency；Simultaneously
Reflect under identical charge weitght, the bigger honeycomb type heat storage exchange capability of heat of specific surface area is stronger, more heat can be absorbed
Amount；
(4), because combustion air is preheating to more than 800 DEG C, heat-accumulating burner coefficient of excess air can be in the situation close to theoretical value
Lower burning, greatly reduces NOx generation, is conducive to environmental protection；
(5) two ways may be selected when safeguarding to carry out safeguarding replacing ceramic honeycomb body；Method one：Connected by removing quick release
Connect the replacing by ceramic honeycomb body is carried out in heat storage tank integral hoisting to ground；Method two：By the way that filter casing, middle part will be supported
Casing, upper box body as an overall pulling down and be lifted on ground carry out ceramic honeycomb body replacing, can to support filter
Casing and middle part casing integrally make spare part, and in advance by ceramic honeycomb body arrangement to casing, integral replacing is used when safeguarding and changing,
By reduction maintenance time significantly and avoid the risk of high-temperature operation.
The beneficial effects of the invention are as follows：
The aluminium melting furnace of the present invention is used after ceramic honeycomb heat storage tank, compared to traditional spherical Regenerative Combustion System, pressure
Loss reduction by 50%, combustion-supporting and smoke exhaust fan power reduction by 30%, the thermal efficiency improves 5~10%, and maintenance period extends to half from first quarter moon
Year.Because the specific surface area of honeycomb type heat storage is big, its exchange capability of heat is better than spherical heat storage.Loading identical accumulation of heat weight
In the case of, the switching time of honeycomb type heat storage can be so beneficial to the stabilization of aluminium melting furnace furnace pressure, improved with longer
The thermal efficiency of stove；Honeycomb type heat storage purchase cost maintains an equal level with spherical heat storage, but combustion-supporting and smoke exhaust fan and motor are adopted
Price reduction is purchased, other equipment is just the same, and whole construction costs and maintenance cost are accordingly reduced；So either newly-built or change
Aluminium melting furnace is made, is all had compared to spherical heat storage using honeycomb type heat storage and had an enormous advantage.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention.
Fig. 2 is lateral plan of the present invention.
Embodiment
Embodiment 1
The present embodiment is a kind of aluminium melting furnace ceramic honeycomb body heat storage tank, structure as illustrated in fig. 1 and 2, including lower part box, support
Filter casing, middle part casing, upper box body and ceramic honeycomb body；Lower part box 1 is welded into rectangular box using thickness 10mm steel plates
Body, bottom half uses thickness 10mm steel plate back covers, and casing open topped is simultaneously welded with square flange, and one week uniform thickness 5mm of casing is flat
Steel stiffener plate；Casing length direction two sides are symmetrically provided with airduct connection inclined-plane interface, it is easy to connect the installation of airduct and tear open
Unload, and use quick release connected mode；Casing width one side is provided with cleaning door and deashing velar plate 7, for case
Internal dust is cleared out, using quick release connected mode；Support filter casing 2 is welded into rectangular box using thickness 10mm steel plates
The intermittently-arranged supporting plate having for support filter of a circle, supporting plate bottom arranged for interval stiffener plate, branch in body, casing
Support filter is the network structure being welded using stainless steel band steel, in the supporting plate in support filter casing 2, is used for
Support and be additionally provided with filter support column on ceramic honeycomb body 6, support filter casing, filter support column uses the upper and lower end parts in steel pipe
Column structure is formed by the weldering of round plate group, filter support column bottom is arranged on the bottom steel plate in lower part box, filter branch
It is fixedly linked at the top of dagger with supporting plate；Middle part casing 3 is arranged on the top of lower part box 1 using fast quick-detach connected mode, in
Portion's casing 3 is welded into rectangular box using thickness 10mm steel plates, and casing upper and lower part is open and is welded with square flange, casing one
Zhou Junbu thickness 5mm band steel stiffener plates；The wall of middle part casing 3 using castable refractory and fibrofelt 8 it is heat-insulated and insulation, ceramic honeybee
Nest body 6 is arranged in the inside of middle part casing 3 and the top of support filter casing 2, empty for reclaiming high-temperature flue gas heat and preheated-combustion-supporting
Gas；Upper box body 4 is welded using thickness 10mm steel plates；Square observation port is provided with upper box body, observation port is furnished with removable cover
Plate 10；Upper box body is provided with burner nozzle connector 9, for connecting burner nozzle；All contact high temperature positions of upper box body are equal
Using castable refractory and fibrofelt 8, heat-insulated and insulation, the side of upper box body is provided with thermometer hole 11.
Two ways may be selected when safeguarding and carry out safeguarding replacing ceramic honeycomb body, method one for the present embodiment：By removing
Quick release connection will carry out the replacing of ceramic honeycomb body in heat storage tank integral hoisting to ground；Method two：By that will support
Filter casing, middle part casing, upper box body as an overall pulling down and be lifted on ground carry out ceramic honeycomb body replacing,
Spare part can integrally be made to support filter casing and middle part casing, ceramic honeycomb body is arranged into casing in advance, when safeguarding replacing
Using integral replacing, by reduction maintenance time significantly and the risk of high-temperature operation is avoided.
In addition to the implementation, the present invention can also have other embodiment.All use equivalent substitution or equivalent transformation shape
Into technical scheme, all fall within the protection domain of application claims.
Claims (5)
1. aluminium melting furnace ceramic honeycomb body heat storage tank, including lower part box, support filter casing, middle part casing, upper box body, with
And ceramic honeycomb body；It is characterized in that：The lower part box is welded into rectangular box using steel plate, and bottom half is sealed using steel plate
Bottom, is welded with square flange, the casing length direction two sides are symmetrically opened in casing open topped and in open outside surrounding
There is airduct to connect inclined-plane interface, the casing width one side is provided with cleaning door and deashing velar plate, for grey in casing
Dirt is cleared out；
The support filter casing is arranged on the open-mouth top of lower part box, and support filter casing is welded into under using steel plate
The consistent rectangular box of portion casing outer ring size, supporting filter casing to adopt, middle inner ring is intermittently-arranged to be had for laying support filter
Supporting plate, the supporting plate bottom arranged for interval stiffener plate, support grid casing is using on fastener and affiliated lower part box
The square flange in portion is connected；
The middle part casing is welded into the rectangular box structure of lower open mouth using steel plate, in the middle part casing upper and lower part
Open-mouth is welded with square flange, and middle part casing is using fast quick-detach connected mode and the method on the support filter casing top
Orchid is connected, and the wall of the middle part casing surrounding inwall is coated using castable refractory and fibrofelt, the ceramic honeycomb
Body is arranged in middle part box house, and by supporting filter casing upper support filter to support the ceramic honeycomb body；
The upper box body is welded using steel plate, and observation port is provided with upper box body, equipped with work on the observation port
Dynamic cover plate, the upper box body side is provided with the interface being connected with burner nozzle, all contact high temperature of upper box body inwall
Position is coated using castable refractory and fibrofelt.
2. aluminium melting furnace ceramic honeycomb body heat storage tank as claimed in claim 1, it is characterised in that：On the support filter casing
Filter support column is additionally provided with, the filter support column uses the upper and lower end parts in steel pipe to be welded by round plate group and forms column knot
Structure, the filter support column bottom is arranged on the bottom steel plate in lower part box, the filter support column top and supporting plate
It is fixedly linked.
3. aluminium melting furnace ceramic honeycomb body heat storage tank as claimed in claim 1, it is characterised in that：The lower part box and middle part
The stiffener plate that the outside surrounding arrangement of casing is made up of band steel.
4. aluminium melting furnace ceramic honeycomb body heat storage tank as claimed in claim 1, it is characterised in that：The support filter is to use
The network structure that stainless steel band steel is welded, support filter is arranged in the supporting plate in support filter casing, for supporting
Ceramic honeycomb body.
5. aluminium melting furnace ceramic honeycomb body heat storage tank as claimed in claim 1, it is characterised in that：The side of the upper box body
Provided with thermometer hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710347563.1A CN106996694A (en) | 2017-05-17 | 2017-05-17 | Aluminium melting furnace ceramic honeycomb body heat storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710347563.1A CN106996694A (en) | 2017-05-17 | 2017-05-17 | Aluminium melting furnace ceramic honeycomb body heat storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106996694A true CN106996694A (en) | 2017-08-01 |
Family
ID=59435391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710347563.1A Pending CN106996694A (en) | 2017-05-17 | 2017-05-17 | Aluminium melting furnace ceramic honeycomb body heat storage tank |
Country Status (1)
| Country | Link |
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| CN (1) | CN106996694A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109813133A (en) * | 2019-03-28 | 2019-05-28 | 深圳市龙瑞泰兴能源环境科技有限公司 | A kind of heat storage burner |
| CN110793320A (en) * | 2019-10-24 | 2020-02-14 | 山东豪门铝业有限公司 | Melt aluminium stove waste heat recovery and recycle device |
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| CN101608793A (en) * | 2008-06-16 | 2009-12-23 | 武汉科虹工业炉有限公司 | Air and gas double heat accumulating type burner |
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| CN103411232A (en) * | 2013-08-15 | 2013-11-27 | 北京首钢国际工程技术有限公司 | Design and transformation method for double-heat-storage combustion system suitable for coal gas with different heat values |
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| CN204987000U (en) * | 2015-09-21 | 2016-01-20 | 衢州峥嵘环保科技有限公司 | Heat -accumulating type combustor |
| CN206803738U (en) * | 2017-05-17 | 2017-12-26 | 苏州鼎佳炉窑科技有限公司 | A kind of aluminium melting furnace ceramic honeycomb body heat storage tank |
-
2017
- 2017-05-17 CN CN201710347563.1A patent/CN106996694A/en active Pending
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| JPH06201276A (en) * | 1993-01-06 | 1994-07-19 | Nkk Corp | Heat storage burner |
| CN101608793A (en) * | 2008-06-16 | 2009-12-23 | 武汉科虹工业炉有限公司 | Air and gas double heat accumulating type burner |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109813133A (en) * | 2019-03-28 | 2019-05-28 | 深圳市龙瑞泰兴能源环境科技有限公司 | A kind of heat storage burner |
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| CN110793320A (en) * | 2019-10-24 | 2020-02-14 | 山东豪门铝业有限公司 | Melt aluminium stove waste heat recovery and recycle device |
| CN110793320B (en) * | 2019-10-24 | 2021-07-30 | 山东豪门铝业有限公司 | Melt aluminium stove waste heat recovery and recycle device |
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Application publication date: 20170801 |