CN104911368A - Hot aluminum slag treatment equipment - Google Patents
Hot aluminum slag treatment equipment Download PDFInfo
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- CN104911368A CN104911368A CN201510320905.1A CN201510320905A CN104911368A CN 104911368 A CN104911368 A CN 104911368A CN 201510320905 A CN201510320905 A CN 201510320905A CN 104911368 A CN104911368 A CN 104911368A
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- slag
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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
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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Abstract
The invention relates to hot aluminum slag treatment equipment which comprises a rack, a door plate mechanism, a movement guide mechanism and a slag pressing mechanism, wherein the rack is surrounded by the door plate mechanism; the movement guide mechanism is arranged inside the rack; the slag pressing mechanism is arranged at the bottom of the rack; the movement guide mechanism is connected with the door plate mechanism and the slag pressing mechanism and is used for guiding movement; the slag pressing mechanism comprises a slag pressing head and a slag tank matched with the slag pressing head; the slag pressing head comprises a first tank body, a heat radiation plate and a pressing plate; the pressing plate covers the first tank body; the heat radiation plate is fixed inside the first tank body; the slag tank comprises a slag shifting tank and an aluminum collecting basin; the slag shifting tank is arranged below the first tank body and is matched with the first tank body; the aluminum collecting basin is arranged below the slag shifting tank; forklift holes are formed in two ends of the slag shifting tank and the aluminum collecting basin; the forklift holes are overlapped in equal distance; molten aluminum leaking holes are formed in the bottom of the slag shifting tank; the movement guide mechanism is connected with the slag pressing head. The hot aluminum slag treatment equipment is high in aluminum metal recycling rate, rapid in recycling, compact in design, flexible and convenient to operate and capable of directly recycling aluminum metals.
Description
Technical field
The invention belongs to non-ferrous metal metallurgy technical field, particularly relate to a kind of thermal circuit graph treatment facility.
Background technology
At present, Al and Alalloy smelting, heavily refine and useless assorted aluminium regeneration process in, the generation of slag is inevitable, and along with the increasing of primary aluminum consumption and the increase day by day of secondary aluminum output, slag amount also increases year by year.
The aluminium Slag treatment of China is generally thermal circuit graph paving is fallen apart on the ground or is placed in case let alone cooling, then carry out artificial choosing to black furnace slag to pick and sub-sieve, use crucible oven and reverberatory smelting, labour intensity is large, working space dust, smog are many, and environmental pollution is also larger.Extrusion process is the aluminium slag treatment process of domestic and international a kind of advanced person, and cooled slag or can reclaim aluminium at short notice, good work environment in nonoxidizing atmosphere, level of automation is high, without salt solvent, also harmless to environment, greatly can improve the rate of recovery of aluminium.Based on the high temperature aluminum slag equipment of extrusion process principle design, be loaded by thermal circuit graph in slag case, then top applies pressure, is squeezed out by molten aluminum.
Its weak point is: the aluminum metal of existing thermal circuit graph treatment facility compacting can not directly reclaim, and causes waste and the pollution of resource, influence ecological environment.
Summary of the invention
The object of this invention is to provide a kind of directly recover aluminium metal from thermal circuit graph, can the wasting of resources be reduced, preventing pollution, the thermal circuit graph treatment facility of preserving the ecological environment.
Technical solution of the present invention is: this thermal circuit graph treatment facility, comprise frame, door-plate mechanism, mobile guide and Ya Zha mechanism, described door-plate mechanism is located in described frame, described mobile guide is arranged at described machine frame inside, described pressure slag organization establishes is bottom described frame, described mobile guide is connected with described door-plate mechanism and Ya Zha mechanism and guides mobile, its special character is, described Ya Zha mechanism comprises pressure slag head and mates with pressure slag head the slag case arranged, described pressure slag head comprises the first casing, heating panel and pressing plate, described platen cover is located at above described first casing, described heating panel is fixed on described first box house, described slag case comprises case of skimming, connects aluminium basin and forklift hole, described case of skimming is arranged at below described first casing, and described in skim case and the first casing match, described connect aluminium basin be arranged at described in skim below case, to skim described in described forklift hole is arranged at respectively case and connect aluminium basin two ends, and described forklift hole equidistantly stacks, described in skim bottom case and offer Lou aluminium water hole, described mobile guide is connected with described pressure slag head.
As preferably: described heating panel is aluminium alloy heating panel, described heating panel comprises mounting plate, T-shaped frame, fin and end plate, described mounting plate is fixedly connected with a side frame body of described T-shaped frame, described in multi-disc, fin criss-cross arrangement is in described mounting plate, and described end plate is vertically installed in described mounting plate two ends.
As preferably: the first cabinet exterior of described pressure slag head is provided with many gussets.
As preferably: described door-plate mechanism comprises door-plate, the first shrouding, the second shrouding, the 3rd shrouding and the 4th shrouding, described door-plate and the first shrouding are all arranged at the frame side of described Ya Zha mechanism turnover thermal circuit graph treatment facility, described second shrouding is arranged at the machine frame at two sides adjacent with described first face, shrouding place, described 3rd shrouding connects described two piece of second shrouding, and described 4th shrouding is arranged at the sidepiece of described 3rd shrouding.
As preferably: described mobile guide comprises a lifting subassembly and pressure slag mechanism lifts assembly; Described door lifting subassembly comprises door-plate, power unit, chain and guide rail, and described chain is connected with door-plate, and described power unit is connected with chain, and described power unit drives door-plate to coordinate through chain and guide rail and moves up and down; Described pressure slag mechanism lifts assembly comprises piston cylinder, slag case bootstrap block and slag case induction collision block, described piston cylinder is fixedly installed on described frame top, and be connected with described pressure slag head, described slag case bootstrap block is arranged at the frame inner wall face in described second face, shrouding place, and described slag case induction collision block is arranged at the frame inner wall face in described 3rd face, shrouding place.
As preferably: described guide rail is two guiding rails, and adopt doublestroke switch spacing; Described pressure slag mechanism lifts assembly comprises one group of overall dimensions, piston cylinder that stroke is identical, and the movable end piston rod of piston cylinder is connected with pressure slag head.
As preferably: described door-plate mechanism also comprises cat ladder and observes door, and described cat ladder is arranged at the frame side in described 3rd shrouding or the 4th face, shrouding place, and described observation door is arranged at the central rack in described 3rd shrouding or the 4th face, shrouding place.
As preferably: also comprise water smoke cold wind mechanism, described water smoke cold wind mechanism comprises centrifugal blower and two airducts, described water smoke cold wind mechanism makes the water smoke of cooling enter the sealing cooling room of pressure slag head inside from an airduct under centrifugal blower effect, discharges from another airduct.
As preferably: also comprise smoke exhaust pipe, described smoke exhaust pipe is connected machine frame inside and is extended to Shelf External.
As preferably: described pressure slag head, the case and connect aluminium basin and be high temperature steel foundry goods of skimming.
Compared with prior art, beneficial effect of the present invention:
(1) slag head and case Aided design of skimming is pressed, the thermal circuit graph of high temperature section is suppressed, being placed in by thermal circuit graph skims in case, and put into pressure slag machine through fork truck, promote pressure slag head by hydraulic efficiency system to suppress hot aluminium, the aluminium water that compacting obtains flow to through leakage aluminium water hole and connects aluminium basin, is cooled to aluminium ingot; The rate of recovery of aluminum metal is high, meanwhile, and can direct recover aluminium metal from thermal circuit graph; And in pressure slag process to aluminium slag without stirring, can not airborne dust be produced, high-environmental.
(2) heating panel can increase the area of dissipation in pressure slag head, and it is inner that water smoke cold wind mechanism makes the water smoke of cooling enter pressure slag head from an airduct under centrifugal blower effect, discharges from another airduct, directly carries out cooling efficiently to pressure slag head.
(3) press the design of slag head gusset while increasing heat radiation area, can ensure that pressure slag head has enough pressing forces and don't can carry aluminum hull secretly, the residual aluminum slag ash after having suppressed is some fritters, can be convenient to subsequent disposal.
(4) frame, door-plate mechanism, mobile guide, Ya Zha mechanism and water smoke cold wind mechanism compact to design, floor space is little, flexible and convenient operation, safety.
(5) invest little, gain quick return, and operation and maintenance cost is low.
(6) work period short, perfect in shape and function, level of automation are high.
(7) press slag head and case of skimming to adopt heat-resistant cast steel matter, this material tensile strength is high, and high-temperature oxidation resistance is good.
Accompanying drawing explanation
Fig. 1 is the one-piece construction schematic diagram of thermal circuit graph treatment facility of the present invention;
Fig. 2 is the internal structure schematic diagram of Fig. 1;
Fig. 3 is another visual angle one-piece construction schematic diagram of Fig. 1;
Fig. 4 is the cross-sectional view of Fig. 1;
Fig. 5 is the pressure slag mechanism structure schematic diagram of thermal circuit graph treatment facility of the present invention;
Fig. 6 is the pressure slag header structure schematic diagram of Fig. 5;
Fig. 7 is the cooling plate structure schematic diagram of Fig. 6.
Primary clustering nomenclature:
Frame 10, smoke exhaust pipe 12, travel switch 14, door-plate mechanism 20, first shrouding 21, second shrouding 22, 3rd shrouding 23, 4th shrouding 24, cat ladder 25, door-plate 26, mobile guide 30, door lifting subassembly 32, power unit 322, chain 324, guide rail 326, pressure slag mechanism lifts assembly 34, piston cylinder 342, slag case bootstrap block 344, slag case induction collision block 346, Ya Zha mechanism 40, pressure slag head 42, first casing 422, heating panel 424, mounting plate 4242, T-shaped frame 4244, fin 4246, end plate 4248, pressing plate 426, slag case 44, to skim case 442, leak aluminium water hole 4422, connect aluminium basin 444, forklift hole 446, gusset 46, water smoke cold wind mechanism 50, airduct 52.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further described:
Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5. Fig. 6 and Fig. 7 shows embodiments of the invention.
Refer to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, shown in Fig. 6 and Fig. 7, this this thermal circuit graph treatment facility, comprise frame 10, door-plate mechanism 20, mobile guide 30 and Ya Zha mechanism 40, door-plate mechanism 20 is located in frame 10, it is inner that mobile guide 30 is arranged at frame 10, Ya Zha mechanism 40 is arranged at bottom frame 10, mobile guide 30 is connected with door-plate mechanism 20 and Ya Zha mechanism 40 and guides mobile, Ya Zha mechanism 40 comprises pressure slag head 42 and mates with pressure slag head 42 the slag case 44 arranged, pressure slag head 42 comprises the first casing 422, heating panel 424 and pressing plate 426, pressing plate 426 is covered on above the first casing 422, it is inner that heating panel 424 is fixed on the first casing 422, slag case 44 comprises skims case 442 and connects aluminium basin 444, case 442 of skimming is arranged at below the first casing 422, and skim case 442 and the first casing 422 match, connecing aluminium basin 444 is arranged at below case 442 of skimming, to skim case 442 and connect aluminium basin 444 two ends and be provided with forklift hole 446, and the forklift hole 446 at case 442 two ends of skimming equidistantly stacks with the forklift hole 446 connecing aluminium basin 444 two ends, offers Lou aluminium water hole 4422 bottom case 442 of skimming, mobile guide 30 is connected with pressure slag head 42.
In the present embodiment, heating panel 424 is aluminium alloy heating panel, heating panel 424 comprises mounting plate 4242, T-shaped frame 4244, fin 4246 and end plate 4248, mounting plate 4242 is fixedly connected with a side frame body of T-shaped frame 4244, multi-disc fin 4246 criss-cross arrangement is in mounting plate 4242, and end plate 4248 is vertically installed in mounting plate 4242 two ends.
In the present embodiment, the first casing 422 outer wall of pressure slag head 42 is provided with many gussets 46.
In the present embodiment, door-plate mechanism 20 comprises the first shrouding 21, second shrouding 22, the 3rd shrouding 23, the 4th shrouding 24 and door-plate 26, first shrouding 21 and door-plate 26 are all arranged at frame 10 side that Ya Zha mechanism 40 passes in and out thermal circuit graph treatment facility, second shrouding 22 is arranged at the machine frame at two sides 10 adjacent with the first face, shrouding 21 place, 3rd shrouding 23 connects the sidepiece that two piece of second shrouding the 22, four shrouding 24 is arranged at the 3rd shrouding 23.
In the present embodiment, mobile guide 30 comprises a lifting subassembly 32 and pressure slag mechanism lifts assembly 34; Door lifting subassembly 32 comprises door-plate 26, power unit 322, chain 324 and guide rail 326, and chain 324 is connected with door-plate 26, and power unit 322 is connected with chain 324, and power unit 322 drives door-plate 26 to coordinate through chain 324 and guide rail 326 and moves up and down; Frame 10 side also can be provided with stroke and open 14, pressure slag mechanism lifts assembly 34 comprises piston cylinder 342, slag case bootstrap block 344 and slag case induction collision block 346, piston cylinder 342 is fixedly installed on frame 10 top, and be connected with pressure slag head 42, slag case bootstrap block 344 is arranged at frame 10 inner-wall surface in the second face, shrouding 22 place, and slag case induction collision block 346 is arranged at frame 10 inner-wall surface in the 3rd face, shrouding 23 place.First shrouding 21 both sides all have pulley spacing, upper and lower spacing all employings duplicate rows switch degree position; Guide rail 326 is formed by channel-section steel, square tube and Plate Welding.
In the present embodiment, guide rail 326 is two guiding rails, and adopts doublestroke switch spacing; Pressure slag mechanism lifts assembly 34 comprises one group of overall dimensions, piston cylinder 342 that stroke is identical, and the movable end piston rod of piston cylinder 342 is connected with pressing slag head 42.When travel switch 14 detects the object needing to press slag, start Controlling System, the power unit 322 of door lifting subassembly 32 controls lifting chain 324 makes door close, until drop to lower limit along door guide rail 326 decline.Piston cylinder 342 is the assembly in this thermal circuit graph treatment facility hydraulic efficiency system, hydraulic efficiency system adopts Hydraulic Station to drive two-tank method mode of motion, pressure medium adopts anti-wear hydraulic oil, and the oil inlet pipe of hydraulic efficiency system is connected with Hydraulic Station with the oil pipe of oil outlet pipe along frame 10 outside.
In the present embodiment, door-plate mechanism 20 also comprises cat ladder 25 and observes door, cat ladder 25 is arranged at frame 10 side in the 3rd shrouding 23 or the 4th face, shrouding 24 place, observes door and is arranged in the middle part of the frame 10 in the 3rd shrouding 23 or the 4th face, shrouding 24 place, be convenient to facilities for observation built-in function.
In the present embodiment, also comprise water smoke cold wind mechanism 50, water smoke cold wind mechanism 50 comprises centrifugal blower and two airducts 52, water smoke cold wind mechanism 50 makes the water smoke of cooling enter the sealing cooling room of pressure slag head 42 inside from an airduct 52 under centrifugal blower effect, discharge from another airduct 52, directly efficient cooling is carried out to pressure slag head 42.
In the present embodiment, also comprise smoke exhaust pipe 12, smoke exhaust pipe 12 is connected frame 10 inside and is extended to frame 10 outside.Frame 10 is enclosed space when door-plate mechanism 20 closes, and only offers a round mouth at top, connects and extend for smoke exhaust pipe 12, and smoke exhaust pipe 12 directly can access the fume exhaust system of producer.
In the present embodiment, pressure slag head 42, the case 442 and connect aluminium basin 444 and be high temperature steel foundry goods of skimming.High temperature steel material tensile strength is high, and high-temperature oxidation resistance is good.
Principle of work: thermal circuit graph is grilled in slag case 44 from smelting furnace, and as early as possible slag case 44 is pushed in this thermal circuit graph treatment facility together with connecing aluminium basin 444 by fork truck, when travel switch 14 detects the object needing to press slag, start Controlling System, the power unit 322 of door lifting subassembly 32 controls lifting chain 324 makes door close along door guide rail 326 decline, until drop to lower limit, the piston cylinder 342 of hydraulic efficiency system promotes pressure slag head 42 and starts the compacting that declines, pressurize is carried out under setting pressure, once the dwell time arrives, pressure system will start release, press slag head 42 to rise simultaneously, rising, it is spacing to carry out detection by upper limit travel switch after putting in place, then the first shrouding 21 could rise, detect spacing by door open limit switch in the process that first shrouding 21 rises, the aluminium liquid of thermal circuit graph connects aluminium basin 444 by leakage aluminium water hole 4422 press-in in slag case 44, is cooled to aluminium block, and remaining slag ash is squeezed into bulk in slag case 44, after reasonable time, just the block aluminium slag ash suppressed and aluminium block can be poured out respectively.
The foregoing is only preferred embodiment of the present invention, all equalizations done according to the claims in the present invention scope change and modify, and all should belong to the covering scope of the claims in the present invention.
Claims (10)
1. a thermal circuit graph treatment facility, comprise frame, door-plate mechanism, mobile guide and Ya Zha mechanism, described door-plate mechanism is located in described frame, described mobile guide is arranged at described machine frame inside, described pressure slag organization establishes is bottom described frame, described mobile guide is connected with described door-plate mechanism and Ya Zha mechanism and guides mobile, it is characterized in that, described Ya Zha mechanism comprises pressure slag head and mates with pressure slag head the slag case arranged, described pressure slag head comprises the first casing, heating panel and pressing plate, described platen cover is located at above described first casing, described heating panel is fixed on described first box house, described slag case comprises skims case and connects aluminium basin, described case of skimming is arranged at below described first casing, and described in skim case and the first casing match, described connect aluminium basin be arranged at described in skim below case, described case of skimming is provided with forklift hole with the two ends connecing aluminium basin, described forklift hole equidistantly stacks, described in skim bottom case and offer Lou aluminium water hole, described mobile guide is connected with described pressure slag head.
2. thermal circuit graph treatment facility according to claim 1, it is characterized in that, described heating panel is aluminium alloy heating panel, described heating panel comprises mounting plate, T-shaped frame, fin and end plate, described mounting plate is fixedly connected with a side frame body of described T-shaped frame, described in multi-disc, fin criss-cross arrangement is in described mounting plate, and described end plate is vertically installed in described mounting plate two ends.
3. thermal circuit graph treatment facility according to claim 2, is characterized in that, the first cabinet exterior of described pressure slag head is provided with many gussets.
4. thermal circuit graph treatment facility according to claim 1, it is characterized in that, described door-plate mechanism comprises door-plate, the first shrouding, the second shrouding, the 3rd shrouding and the 4th shrouding, described door-plate and the first shrouding are all arranged at the frame side of described Ya Zha mechanism turnover thermal circuit graph treatment facility, described second shrouding is arranged at the machine frame at two sides adjacent with described first face, shrouding place, described 3rd shrouding connects described two piece of second shrouding, and described 4th shrouding is arranged at the sidepiece of described 3rd shrouding.
5. thermal circuit graph treatment facility according to claim 1, is characterized in that, described mobile guide comprises a lifting subassembly and pressure slag mechanism lifts assembly; Described door lifting subassembly comprises door-plate, power unit, chain and guide rail, and described chain is connected with door-plate, and described power unit is connected with chain, and described power unit drives door-plate to coordinate through chain and guide rail and moves up and down; Described pressure slag mechanism lifts assembly comprises piston cylinder, slag case bootstrap block and slag case induction collision block, described piston cylinder is fixedly installed on described frame top, and be connected with described pressure slag head, described slag case bootstrap block is arranged at the frame inner wall face in described second face, shrouding place, and described slag case induction collision block is arranged at the frame inner wall face in described 3rd face, shrouding place.
6. thermal circuit graph treatment facility according to claim 5, is characterized in that, described guide rail is two guiding rails, and adopts doublestroke switch spacing; Described pressure slag mechanism lifts assembly comprises one group of overall dimensions, piston cylinder that stroke is identical, and the movable end piston rod of piston cylinder is connected with pressure slag head.
7. thermal circuit graph treatment facility according to claim 4, it is characterized in that, described door-plate mechanism also comprises cat ladder and observes door, described cat ladder is arranged at the frame side in described 3rd shrouding or the 4th face, shrouding place, and described observation door is arranged at the central rack in described 3rd shrouding or the 4th face, shrouding place.
8. thermal circuit graph treatment facility according to claim 5, it is characterized in that, also comprise water smoke cold wind mechanism, described water smoke cold wind mechanism comprises centrifugal blower and two airducts, described water smoke cold wind mechanism makes the water smoke of cooling enter the sealing cooling room of pressure slag head inside from an airduct under centrifugal blower effect, discharges from another airduct.
9. thermal circuit graph treatment facility according to claim 1, is characterized in that, also comprise smoke exhaust pipe, and described smoke exhaust pipe is connected machine frame inside and extended to Shelf External.
10. thermal circuit graph treatment facility according to claim 1, is characterized in that, described pressure slag head, the case and connect aluminium basin and be high temperature steel foundry goods of skimming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510320905.1A CN104911368A (en) | 2015-06-11 | 2015-06-11 | Hot aluminum slag treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510320905.1A CN104911368A (en) | 2015-06-11 | 2015-06-11 | Hot aluminum slag treatment equipment |
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| Publication Number | Publication Date |
|---|---|
| CN104911368A true CN104911368A (en) | 2015-09-16 |
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ID=54080807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510320905.1A Pending CN104911368A (en) | 2015-06-11 | 2015-06-11 | Hot aluminum slag treatment equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN104911368A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201873731U (en) * | 2010-10-30 | 2011-06-22 | 浙江理工大学 | Novel actuating mechanism of hot aluminum slag press |
| CN202688403U (en) * | 2012-07-25 | 2013-01-23 | 郑州久达科技有限公司 | Slag press for aluminum ashes |
| CN203773257U (en) * | 2014-03-20 | 2014-08-13 | 台州富凌电气有限公司 | Servo driver |
-
2015
- 2015-06-11 CN CN201510320905.1A patent/CN104911368A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201873731U (en) * | 2010-10-30 | 2011-06-22 | 浙江理工大学 | Novel actuating mechanism of hot aluminum slag press |
| CN202688403U (en) * | 2012-07-25 | 2013-01-23 | 郑州久达科技有限公司 | Slag press for aluminum ashes |
| CN203773257U (en) * | 2014-03-20 | 2014-08-13 | 台州富凌电气有限公司 | Servo driver |
Non-Patent Citations (2)
| Title |
|---|
| 孔文俊等: "水雾与可燃多孔介质火焰相互作用的实验研究", 《工程热物理学报》 * |
| 高飞: "铝渣处理设备国产化技术应用", 《有色冶金节能》 * |
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| CB03 | Change of inventor or designer information |
Inventor after: Qing Yi Inventor after: Zhang Lin Inventor after: Zhuang Jingwei Inventor after: Li Qiang Inventor after: Qing Qihong Inventor after: Yan Qihui Inventor before: Qing Yi |
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| COR | Change of bibliographic data | ||
| CB02 | Change of applicant information |
Address after: 518104 Guangdong city of Shenzhen province Baoan District manhole Street Jinxiu Road North Industrial Park A Building 1 floor B Applicant after: Shenzhen AluTech Light Alloy Technology Co. Ltd. Address before: 518104 Guangdong city of Shenzhen province Baoan District manhole Street Jinxiu Road North Industrial Park A Building 1 floor B Applicant before: SHENZHEN ALTECH ALUMINUM EQUIPMENT MANUFACTURING CO., LTD. |
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Application publication date: 20150916 |
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| RJ01 | Rejection of invention patent application after publication |