CN108380644A - A kind of detachment of worn-out electrical appliances recovery process with display screen and circuit board - Google Patents
A kind of detachment of worn-out electrical appliances recovery process with display screen and circuit board Download PDFInfo
- Publication number
- CN108380644A CN108380644A CN201810216690.2A CN201810216690A CN108380644A CN 108380644 A CN108380644 A CN 108380644A CN 201810216690 A CN201810216690 A CN 201810216690A CN 108380644 A CN108380644 A CN 108380644A
- Authority
- CN
- China
- Prior art keywords
- circuit board
- display screen
- household appliances
- detachment
- waste household
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000011084 recovery Methods 0.000 title claims abstract description 20
- 239000002699 waste material Substances 0.000 claims abstract description 35
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910052802 copper Inorganic materials 0.000 claims abstract description 24
- 239000010949 copper Substances 0.000 claims abstract description 24
- 239000004033 plastic Substances 0.000 claims abstract description 22
- 229920003023 plastic Polymers 0.000 claims abstract description 22
- 238000004064 recycling Methods 0.000 claims abstract description 22
- 238000000926 separation method Methods 0.000 claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 239000012943 hotmelt Substances 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims abstract description 4
- 229910052751 metal Inorganic materials 0.000 claims description 21
- 239000002184 metal Substances 0.000 claims description 21
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 18
- 241000209094 Oryza Species 0.000 claims description 12
- 235000007164 Oryza sativa Nutrition 0.000 claims description 12
- 235000009566 rice Nutrition 0.000 claims description 12
- 229910000679 solder Inorganic materials 0.000 claims description 11
- 229910052742 iron Inorganic materials 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 6
- 238000003860 storage Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 238000003723 Smelting Methods 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- 150000002739 metals Chemical class 0.000 claims description 3
- 238000000746 purification Methods 0.000 claims description 3
- 238000006722 reduction reaction Methods 0.000 claims description 3
- 238000001179 sorption measurement Methods 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims 1
- 230000005389 magnetism Effects 0.000 claims 1
- 238000002156 mixing Methods 0.000 claims 1
- 238000010298 pulverizing process Methods 0.000 claims 1
- 239000004411 aluminium Substances 0.000 abstract description 3
- 229910052782 aluminium Inorganic materials 0.000 abstract description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 3
- 238000004513 sizing Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 7
- 230000005611 electricity Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- -1 ferrous metals Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/40—Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/82—Recycling of waste of electrical or electronic equipment [WEEE]
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Processing Of Solid Wastes (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
The invention discloses a kind of detachment of worn-out electrical appliances recovery process with display screen and circuit board,Include the following steps,It is fixed,Waste household appliances are placed on conveyer belt and carry out horizontal feed,So that one side of the waste household appliances with display screen is upward,This carries the detachment of worn-out electrical appliances recovery process of display screen and circuit board,Flow is relatively simple,The separation of display screen is realized by plastic cutter and Electric saw blade tool,Display screen will not be caused to damage,Efficiency is higher,The separation of circuit board is realized by single head heating rod,The dismounting of display screen and circuit board can be fast implemented by being not required to progress hand disassembly,Convenient for recycling and subsequently further disassembling classification,Copper aluminium is realized by subsequent crushing and hot melt operation,The classification of plastics and electric elements is recycled,Relative to dismantling by hand and separation,Process velocity greatly improves,The amount of labour of worker is alleviated simultaneously,It is suitble to the lot sizing order of waste household appliances to recycle operation.
Description
Technical field
The present invention relates to resource reclaim field, specially a kind of detachment of worn-out electrical appliances recycling with display screen and circuit board
Technique.
Background technology
With being constantly progressive for modern humans' industrial civilization, the household electric including TV, computer, refrigerator, air-conditioning etc.
Device ownership sharply increases, and China is the big country of household appliances production and consumption, have been enter at present household appliances update with
And superseded peak period, according to environmental protection administration's incomplete statistics, the discarded household electrical appliances in annual China are up to 15,000,000, and also with average annual
20% speed increases, and the poisonous and harmful substances such as lead, mercury, chlorofluorocarbons for including in these superseded household appliances, such as
Fruit arbitrarily abandons, handles, it will causes seriously to pollute to environment for the survival of mankind, scraps household electrical appliances mainly by steel, coloured
The materials such as metal, plastics, rubber, glass, electric elements are constituted, and material recycling rate of waterused is reused up to 80% or more
Cost can reduce by 2/3 or so, therefore the comprehensive reutilization city of household appliances waste than cost of material obtained by the exploitated ore energy
Have a extensive future, and can be that tremendous contribution is made in environmental protection, the processing method for scrapping household electrical appliances at present be using disassembling by hand or
Mechanical crushing recycles the material classifications such as steel, copper aluminium, other non-ferrous metals, plastics, glass, and these household electrical appliances are often
The composition of the multiple materials such as metal, plastics, separation is extremely inconvenient, the value completely recycled due to display screen and circuit board compared with
Greatly, the waste household appliances of display screen and circuit board are carried to the dependency degree bigger disassembled and classified by hand, greatly reduce recycling
Efficiency, using inconvenience.
Invention content
The technical problem to be solved by the present invention is to overcome the existing defects, provides a kind of useless with display screen and circuit board
Old household electrical appliances disassemble recovery process, and flow is relatively simple, can fast implement the classification dismounting and recycling of waste household appliances, mechanization journey
Degree is higher, reduces the labor intensity of worker, efficient, is suitble to the large batch of centralization recovery processing of waste household appliances, Ke Yiyou
Effect solves the problems in background technology.
To achieve the above object, the present invention provides the following technical solutions：A kind of waste and old family with display screen and circuit board
Electricity dismantling recovery process, includes the following steps：
1) fixed：Waste household appliances are placed on conveyer belt and carry out horizontal feed so that waste household appliances carry the one of display screen
Up, the shell of waste household appliances is fixed by fixture, the clamping plate of fixture is to being clipped in the sides of waste household appliances；
2) separation of display screen：Multiple plastic cutters are bonded to the display screen surface of waste household appliances, make plastic cutter from display screen
Between pull outward, keep the mask of display screen broken, the lateral profile using Electric saw blade tool along display screen is cut, and display is made
Shield and be kept completely separate with the casing of waste household appliances, removes display screen and be placed in display screen recycling bins；
3) separation of circuit board：It is inserted into electrical bar into the casing of waste household appliances by the removal hole of display screen, utilizes electricity
Hot pin heats the lock screw of circuit board so that the circuit board screw hole hot melt residing for lock screw is realized by pulling
The separation of circuit board cuts the cable being connect with circuit board, circuit board is placed in circuit board recycling bins；
4) processing of circuit board：Circuit board is placed in electrocaloric effect and is heat-treated, is extracted after being heated to circuit board softening
The electronic components such as chip, capacitance and pole pipe, the solder on further heating recovery circuit board；
5) recycling of cable：The cable of recycling is placed in copper rice machine and is crushed, the copper of cable is made mutually to divide with plastics
From by copper particle and plastic powder particle classified storage；
6) processing of casing：The waste household appliances casing for removing display screen, circuit board and cable is placed in beater grinder
Processing is crushed, so that plastics and metal contained by casing is separated from each other, the casing after crushing is sent to conveyer belt, magnetic is passed through
Property separator screens metal adsorption；
7) sorting metals：The metal category and purity that are collected into are classified one by one, the high metal of purity directly into
Row collects storage, and the low metal of purity carries out acid bath and reduction reaction, then carries out smelting purification.
As a preferred technical solution of the present invention, when the solder of circuit board recycles, will have been removed various chips and
The circuit board of electronic component, which is placed on the stove for being separated with iron plate or pan, to be continued to heat, make solder fusing drop in pan or
On person's iron plate, solder is swept from iron plate or pan.
As a preferred technical solution of the present invention, copper rice machine uses dry type copper rice machine, cable to be placed in dry type copper rice machine
It inside crushes, forms the mixture of copper particle and buffings, mixture is detached by classifying screen and pulse dust collector.
As a preferred technical solution of the present invention, the electrical bar is single head heating rod, and electrical bar is according to circuit board
Screw hole position carry out it is arranged evenly.
Compared with prior art, the beneficial effects of the invention are as follows：This carries the detachment of worn-out electrical appliances of display screen and circuit board
Recovery process, flow is relatively simple, and the separation of display screen is realized by plastic cutter and Electric saw blade tool, will not be caused to damage to display screen
Wound, efficiency is higher, and the separation of circuit board is realized by single head heating rod, and display screen can be fast implemented by being not required to progress hand disassembly
With the dismounting of circuit board, classify convenient for recycling and follow-up further dismantling, passes through subsequent crushing and hot melt operation is realized
The classification of copper aluminium, plastics and electric elements is recycled, and is greatly improved relative to dismantling by hand and separation, process velocity, simultaneously
The amount of labour of worker is alleviated, the lot sizing order of waste household appliances is suitble to recycle operation.
Description of the drawings
Fig. 1 is a kind of flow chart of the detachment of worn-out electrical appliances recovery process with display screen and circuit board of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, a kind of detachment of worn-out electrical appliances recovery process with display screen and circuit board, it is characterised in that including
Following steps：
1) fixed：Waste household appliances are placed on conveyer belt and carry out horizontal feed so that waste household appliances carry the one of display screen
Up, the shell of waste household appliances is fixed by fixture, the clamping plate of fixture is to being clipped in the sides of waste household appliances；
2) separation of display screen：Multiple plastic cutters are bonded to the display screen surface of waste household appliances, make plastic cutter from display screen
Between pull outward, keep the mask of display screen broken, the lateral profile using Electric saw blade tool along display screen is cut, and display is made
Shield and be kept completely separate with the casing of waste household appliances, removes display screen and be placed in display screen recycling bins；
3) separation of circuit board：It is inserted into electrical bar into the casing of waste household appliances by the removal hole of display screen, utilizes electricity
Hot pin heats the lock screw of circuit board so that the circuit board screw hole hot melt residing for lock screw is realized by pulling
The separation of circuit board cuts the cable being connect with circuit board, circuit board is placed in circuit board recycling bins, and the electrical bar is single
Head heating rod, electrical bar carry out arranged evenly according to the screw hole position of circuit board；
4) processing of circuit board：Circuit board is placed in electrocaloric effect and is heat-treated, is extracted after being heated to circuit board softening
The electronic components such as chip, capacitance and pole pipe, the solder on further heating recovery circuit board will when the solder recycling of circuit board
The circuit board for having been removed various chips and electronic component is placed on the stove for being separated with iron plate or pan and continues to heat, and makes weldering
Material fusing drops on pan or iron plate, and solder is swept from iron plate or pan；
5) recycling of cable：The cable of recycling is placed in copper rice machine and is crushed, the copper of cable is made mutually to divide with plastics
From by copper particle and plastic powder particle classified storage, copper rice machine uses dry type copper rice machine, and cable, which is placed in dry type copper rice machine, carries out powder
It is broken, the mixture of copper particle and buffings is formed, mixture is detached by classifying screen and pulse dust collector；
6) processing of casing：The waste household appliances casing for removing display screen, circuit board and cable is placed in beater grinder
Processing is crushed, so that plastics and metal contained by casing is separated from each other, the casing after crushing is sent to conveyer belt, magnetic is passed through
Property separator screens metal adsorption；
7) sorting metals：The metal category and purity that are collected into are classified one by one, the high metal of purity directly into
Row collects storage, and the low metal of purity carries out acid bath and reduction reaction, then carries out smelting purification.
The flow of detachment of worn-out electrical appliances recovery process of the present invention with display screen and circuit board is relatively simple, can be quick
Realize the classification dismounting and recycling of waste household appliances, mechanization degree is higher, reduces the labor intensity of worker, efficient, simultaneously
So that the recycling of each material is more abundant, it is suitble to the large batch of centralization recovery processing of waste household appliances.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (4)
1. a kind of detachment of worn-out electrical appliances recovery process with display screen and circuit board, it is characterised in that：Should with display screen and
The detachment of worn-out electrical appliances recovery process of circuit board includes the following steps：
1) fixed：Waste household appliances are placed on conveyer belt and carry out horizontal feed so that waste household appliances one facing with display screen
On, the shell of waste household appliances is fixed by fixture, the clamping plate of fixture is to being clipped in the sides of waste household appliances；
2) separation of display screen：By multiple plastic cutters be bonded waste household appliances display screen surface, make plastic cutter from the centre of display screen to
Outside pulls, and keeps the mask of display screen broken, and the lateral profile using Electric saw blade tool along display screen is cut, make display screen with
The casing of waste household appliances is kept completely separate, and is removed display screen and is placed in display screen recycling bins；
3) separation of circuit board：It is inserted into electrical bar into the casing of waste household appliances by the removal hole of display screen, utilizes electrical bar
The lock screw of circuit board is heated so that the circuit board screw hole hot melt residing for lock screw realizes circuit by drawing
The separation of plate cuts the cable being connect with circuit board, circuit board is placed in circuit board recycling bins；
4) processing of circuit board：Circuit board is placed in electrocaloric effect and is heat-treated, be heated to circuit board softening after extraction chip,
The electronic components such as capacitance and pole pipe, the solder on further heating recovery circuit board；
5) recycling of cable：The cable of recycling is placed in copper rice machine and is crushed, the copper of cable is made to be separated from each other with plastics, it will
Copper particle and plastic powder particle classified storage；
6) processing of casing：The waste household appliances casing for removing display screen, circuit board and cable is placed in beater grinder and is carried out
Pulverization process makes plastics and metal contained by casing be separated from each other, the casing after crushing is sent to conveyer belt, passes through magnetism point
Metal adsorption is screened from device；
7) sorting metals：The metal category and purity that are collected into are classified one by one, the high metal of purity is directly received
Collection storage, the low metal of purity carry out acid bath and reduction reaction, then carry out smelting purification.
2. a kind of detachment of worn-out electrical appliances recovery process with display screen and circuit board according to claim 1, feature
It is：Circuit board solder recycling when, the circuit board for having been removed various chips and electronic component is placed on be separated with iron plate or
Continue to heat on the stove of pan, solder fusing is made to drop on pan or iron plate, by solder from iron plate or pan
It sweeps.
3. a kind of detachment of worn-out electrical appliances recovery process with display screen and circuit board according to claim 1, feature
It is：Copper rice machine uses dry type copper rice machine, cable to be placed in dry type copper rice machine and crush, and forms the mixing of copper particle and buffings
Object, mixture are detached by classifying screen and pulse dust collector.
4. a kind of detachment of worn-out electrical appliances recovery process with display screen and circuit board according to claim 1, feature
It is：The electrical bar is single head heating rod, and electrical bar carries out arranged evenly according to the screw hole position of circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810216690.2A CN108380644A (en) | 2018-03-16 | 2018-03-16 | A kind of detachment of worn-out electrical appliances recovery process with display screen and circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810216690.2A CN108380644A (en) | 2018-03-16 | 2018-03-16 | A kind of detachment of worn-out electrical appliances recovery process with display screen and circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108380644A true CN108380644A (en) | 2018-08-10 |
Family
ID=63067902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810216690.2A Pending CN108380644A (en) | 2018-03-16 | 2018-03-16 | A kind of detachment of worn-out electrical appliances recovery process with display screen and circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108380644A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110918605A (en) * | 2019-12-03 | 2020-03-27 | 李峰 | Mute motor copper separation device |
| CN111958176A (en) * | 2020-07-04 | 2020-11-20 | 温州职业技术学院 | Fin separator of automobile air conditioner heat exchanger |
| CN114602925A (en) * | 2022-03-01 | 2022-06-10 | 安徽燊岚环境科技有限公司 | Processing technology of SMD electronic component |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4316512C1 (en) * | 1993-05-17 | 1994-09-08 | Harald Lueck | Process for dismantling display devices into recyclable components |
| CN103537478A (en) * | 2013-10-22 | 2014-01-29 | 济南大学 | Household appliance type rubbish dismantling, sorting and recycling process and equipment |
| CN205551065U (en) * | 2016-04-14 | 2016-09-07 | 国网江苏省电力公司电力科学研究院 | Automatic system that disassembles of old and useless single -phase intelligent ammeter |
| CN106824981A (en) * | 2017-01-05 | 2017-06-13 | 湖北东江环保有限公司 | One kind automation detachment of worn-out electrical appliances system |
| CN107377575A (en) * | 2016-05-17 | 2017-11-24 | 陕西安信显像管循环处理应用有限公司 | Useless circuit board processing system and its processing method |
| CN206716705U (en) * | 2017-04-12 | 2017-12-08 | 国网江苏省电力公司电力科学研究院 | Recovery system is disassembled in a kind of waste electric energy meter automation |
-
2018
- 2018-03-16 CN CN201810216690.2A patent/CN108380644A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4316512C1 (en) * | 1993-05-17 | 1994-09-08 | Harald Lueck | Process for dismantling display devices into recyclable components |
| CN103537478A (en) * | 2013-10-22 | 2014-01-29 | 济南大学 | Household appliance type rubbish dismantling, sorting and recycling process and equipment |
| CN205551065U (en) * | 2016-04-14 | 2016-09-07 | 国网江苏省电力公司电力科学研究院 | Automatic system that disassembles of old and useless single -phase intelligent ammeter |
| CN107377575A (en) * | 2016-05-17 | 2017-11-24 | 陕西安信显像管循环处理应用有限公司 | Useless circuit board processing system and its processing method |
| CN106824981A (en) * | 2017-01-05 | 2017-06-13 | 湖北东江环保有限公司 | One kind automation detachment of worn-out electrical appliances system |
| CN206716705U (en) * | 2017-04-12 | 2017-12-08 | 国网江苏省电力公司电力科学研究院 | Recovery system is disassembled in a kind of waste electric energy meter automation |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110918605A (en) * | 2019-12-03 | 2020-03-27 | 李峰 | Mute motor copper separation device |
| CN111958176A (en) * | 2020-07-04 | 2020-11-20 | 温州职业技术学院 | Fin separator of automobile air conditioner heat exchanger |
| CN111958176B (en) * | 2020-07-04 | 2022-03-15 | 温州职业技术学院 | Fin separator of automobile air conditioner heat exchanger |
| CN114602925A (en) * | 2022-03-01 | 2022-06-10 | 安徽燊岚环境科技有限公司 | Processing technology of SMD electronic component |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180810 |