CN203343159U - PCB (printed circuit board) crushing recovery device - Google Patents
PCB (printed circuit board) crushing recovery device Download PDFInfo
- Publication number
- CN203343159U CN203343159U CN2013203540854U CN201320354085U CN203343159U CN 203343159 U CN203343159 U CN 203343159U CN 2013203540854 U CN2013203540854 U CN 2013203540854U CN 201320354085 U CN201320354085 U CN 201320354085U CN 203343159 U CN203343159 U CN 203343159U
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- crusher
- pcb
- retracting device
- conveying worm
- double
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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
- 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]
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- Crushing And Pulverization Processes (AREA)
- Disintegrating Or Milling (AREA)
Abstract
The utility model discloses a PCB crushing recovery device, which comprises a roll crusher, a coarse crushing hammer crusher, and a fine crushing hammer crusher connected with each other in sequence. The fine crushing hammer crusher is connected with a double-layer linear vibrating screen through a cyclone collector. A sixth screw conveyor is arranged at an upper discharge port of the double-layer linear vibrating screen and is connected with the fine crushing hammer crusher, a second screw conveyor is arranged at a middle discharge port and is connected with a gravity sorter, and a hopper type hoist is arranged at a bottom discharge port and is connected with a feed port of a high-voltage electrostatic sorter. Through three-level crushing, the PCB crushing recovery device carries out gravity sorting and high-voltage electrostatic sorting for powder with different particle sizes; and the powder which cannot meet a sorting demand is returned to the fine crushing hammer crusher for re-crushing, so that the metal recovery rate is as high as 98%.
Description
Technical field
The utility model relates to a kind of PCB retracting device, relates in particular to a kind of PCB and pulverizes retracting device.
Background technology
Along with the development of electronics industry, the output of printed substrate and discarded amount grow with each passing day.Contain the common metal such as a large amount of copper, aluminium, lead, tin, iron and the precious metals such as a certain amount of gold, silver, palladium in printed substrate, and a small amount of gold is old, platinum and rare element selenium etc., has very high recovery value.Existing waste printed circuit board all arbitrarily abandons, easily contaminated environment.
The research much recycled about PCB is arranged both at home and abroad.Past be take the chemical recovering method technology as main, and as Pintsch process, pickling, corrosion method, but production process exists serious secondary pollution and the high problem of cost.Physical is mainly to utilize many materials on the PCB substrate to have different physical characteristics, as proportion, electromagnetic performance difference, PCB is crushed to different particle size ranges, and the means such as adopt selection by winnowing, electromagnetism absorption, waterpower is floating and wind-force is floating are by metal and nonmetal collection and treatment respectively.Physical does not have secondary pollution, reduced investment, the advantage of good operational environment.In recent years along with the development of the technology such as mechanical crushing, increasing researcher invests the physical recovering method technology to sight.
But because adopting glass fibre, fortified resin etc., pcb board makees substrate, also have the metal objects such as copper, gold, palladium, slicker solder on plate, common disintegrating apparatus can't well be pulverized PCB, and different physical separation methods has requirement to mixed powder granularity scope, so adopt single technical finesse, the sorting recovering effect generally can only reach 70% left and right usually.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of PCB and pulverizes retracting device, can greatly improve metal recovery efficiency, has both saved day by day exhausted mineral resources, can alleviate again the pollution of heavy metal etc.
The utility model is to solve the problems of the technologies described above the technical scheme adopted to be to provide a kind of PCB pulverizing retracting device, comprise connected successively double-roll crusher, coarse crushing hammer-crusher and grinding hammer-crusher, described grinding hammer-crusher is connected with double-deck linear vibrating screen by cyclone collector, described double-deck linear vibrating screen upper part discharge port is provided with the 6th conveying worm and is connected with grinding hammer-crusher, the charging aperture that middle discharging opening is provided with the second conveying worm and gravity separator is connected, and the charging aperture that the bottom discharge mouth is provided with fighter's elevator and high pressure electrostatic separator is connected.
Above-mentioned PCB pulverizes retracting device, and wherein, the bottom discharge mouth of described gravity separator is provided with the triple helical conveyer and is connected with the second conveying worm.
Above-mentioned PCB pulverizes retracting device, and wherein, the bottom discharge mouth of described high pressure electrostatic separator is provided with the 5th conveying worm and is connected with the 6th conveying worm.
Above-mentioned PCB pulverizes retracting device, wherein, the charging aperture of described double-roll crusher is connected with raw material cabin by the first belt conveyor, be connected by the second belt conveyor between described double-roll crusher and coarse crushing hammer-crusher, be connected by the first conveying worm between described coarse crushing hammer-crusher and grinding hammer-crusher.
Above-mentioned PCB pulverizes retracting device, and wherein, described cyclone collector also is connected with centrifugal high pressure fan by bag collector.
Above-mentioned PCB pulverizes retracting device, and wherein, described gravity separator also is connected with sack cleaner by the mixed powder screw for returning material.
The utility model contrast prior art has following beneficial effect: the PCB that the utility model provides pulverizes retracting device, by three grades of pulverizing, and the powder of different grain size size is carried out respectively to gravity separation and high-voltage electrostatic sorting, the grinding hammer-crusher that returns to that does not reach the sorting requirement is pulverized again, makes metal recovery rate up to 98%.
The accompanying drawing explanation
Fig. 1 is that the utility model PCB pulverizes the retracting device structural representation;
Fig. 2 is that the utility model PCB pulverizes retracting device handling process schematic diagram.
In figure:
1 first belt conveyor 2 double-roll crusher 3 second belt conveyors
4 coarse crushing hammer-crusher 5 first conveying worm 6 grinding hammer-crushers
7 cyclone collector 8 bag collector 9 centrifugal high pressure fans
10 double-deck linear vibrating screen 11 second conveying worm 12 gravity separators
13 mixed powder screw for returning material 14 sack cleaner 15 triple helical conveyers
16 fighter's elevator 17 high pressure electrostatic separators 18 the 4th conveying worms
19 the 5th conveying worm 20 the 6th conveying worms
The specific embodiment
Below in conjunction with drawings and Examples, the utility model will be further described.
Fig. 1 is that the utility model PCB pulverizes the retracting device structural representation.
Refer to Fig. 1, the PCB that the utility model provides pulverizes retracting device and comprises connected successively double-roll crusher 2, coarse crushing hammer-crusher 4 and grinding hammer-crusher 6, wherein, the charging aperture of described double-roll crusher 2 is connected with raw material cabin by the first belt conveyor 1, be connected by the second belt conveyor 3 between described double-roll crusher 2 and coarse crushing hammer-crusher 4, be connected by the first conveying worm 5 between described coarse crushing hammer-crusher 4 and grinding hammer-crusher 6; Described grinding hammer-crusher 6 is connected with double-deck linear vibrating screen 10 by cyclone collector 7, described double-deck linear vibrating screen 10 upper part discharge port are provided with the 6th conveying worm 20 and are connected with grinding hammer-crusher 6, middle discharging opening is provided with the second conveying worm 11 and is connected with the charging aperture of gravity separator 12, and the bottom discharge mouth is provided with fighter's elevator 16 and is connected with the charging aperture of high pressure electrostatic separator 17.The bottom of gravity separator 12 is provided with finished pot, and the bottom of high pressure electrostatic separator 17 is provided with the 4th conveying worm 18 and is connected with finished pot.
PCB that the utility model provides pulverizes retracting device, and the bottom discharge mouth of described gravity separator 12 is provided with triple helical conveyer 15 and is connected with the second conveying worm 11, by failing the powder of sorting, again sends gravity separator back to and carries out sorting again.The bottom discharge mouth of described high pressure electrostatic separator 17 is provided with the 5th conveying worm 19 and is connected with the 6th conveying worm 20, by failing the powder of sorting, again sends grinding hammer-crusher 6 back to and again pulverizes.Described cyclone collector 7 can also be connected with centrifugal high pressure fan 9 by bag collector 8 and improve the gas pressure body of supplying gas side by side; The PCB that described gravity separator 12 is gone back the utility model to be provided pulverizes retracting device and is connected and carries out dedusting with sack cleaner 14 by mixed powder screw for returning material 13.
Fig. 2 is that the utility model PCB pulverizes retracting device handling process schematic diagram.
Please continue referring to Fig. 2, the utility model also provides a kind of above-mentioned PCB to pulverize the processing method of retracting device, comprises the steps:
Step S1: at first utilize double-roll crusher 2, coarse crushing hammer-crusher 4 and 6 couples of whole PCB of grinding hammer-crusher to carry out successively three grades of pulverizing, guarantee that PCB can be crushed to the particle size range that is applicable to sorting.Pulverizing detailed process for three grades controls as follows: a1) at first utilize double-roll crusher 2 by whole PCB shear extrusion to 40～50mm; A2) then through coarse crushing hammer-crusher 4, continue PCB is crushed to 5～8mm; A3) finally through grinding hammer-crusher 6, PCB is crushed to 30～150 orders again.Grinding hammer-crusher 6 preferably adopts the granularity after VFC can be pulverized according to the variation adjustment of material, strengthens the adaptability of material composition change.Roll crusher 2, coarse crushing hammer-crusher 4 and grinding hammer-crusher 6 can adopt automatic control system to carry out load and automatically control, the key parameters such as the operating current of three disintegrating machines of control system detection, bearing temperature, when overload occurs and feed belt and conveying worm chain, reduce and send into the quantity of material or automatically stop feeding, fully guarantee the granularity effect of pulverizing and the safety in production of the equipment of assurance.
Step S2: the powder that then utilizes double-deck linear vibrating screen 10 will be positioned at the granularity minimum of bottom discharge mouth is sent to high pressure electrostatic separator 17 and carries out sorting, and the medium-grained powder that will be positioned at middle discharging opening is sent to gravity separator 12 and carries out sorting; Carry out narrow granularity adjustment by 10 pairs of powders of double-deck linear vibrating screen, make the powder particles of sending into screening installation evenly improve the efficiency of separation as far as possible.Such as the powder particles of double-deck linear vibrating screen 10 bottom discharge mouths is 30～100 orders, the powder particles of middle discharging opening is 100～150 orders, and the powder particles of upper part discharge port is greater than 150 orders.Adopt gravity separation and the shared method of electrostatic separation, process respectively meal material and fine powder material, have complementary advantages and improve the efficiency of separation.
Step S3: the powder that last double-deck linear vibrating screen 10 will be positioned at the granularity maximum of vibratory sieve upper part discharge port is delivered to grinding hammer-crusher 6 by the 6th conveying worm 20 and is again pulverized.In addition, the bottom of described gravity separator 12 also is provided with conveying worm and will fails the powder of sorting and again send gravity separator 12 back to and carry out sorting again; The bottom of described high pressure electrostatic separator 17 also is provided with conveying worm and will fails the powder of sorting and again send high pressure electrostatic separator 17 back to and carry out sorting again.
In sum, the PCB that the utility model provides pulverizes retracting device and processing method thereof, by three grades of disintegrating apparatus, the raw material after pulverizing is divided into to three tunnels, thicker mixed powder enters gravity separation, thin mixed powder enters high-voltage electrostatic sorting, the grinding hammer-crusher that returns to that does not reach the sorting requirement is pulverized again, and differentiated treatment can improve organic efficiency like this, makes metal recovery rate up to 98%.
Although the utility model discloses as above with preferred embodiment; so it is not in order to limit the utility model; any those skilled in the art; within not breaking away from spirit and scope of the present utility model; when doing a little modification and perfect, therefore protection domain of the present utility model is worked as with being as the criterion that claims were defined.
Claims (6)
1. a PCB pulverizes retracting device, it is characterized in that, comprise connected successively double-roll crusher (2), coarse crushing hammer-crusher (4) and grinding hammer-crusher (6), described grinding hammer-crusher (6) is connected with double-deck linear vibrating screen (10) by cyclone collector (7), described double-deck linear vibrating screen (10) upper part discharge port is provided with the 6th conveying worm (20) and is connected with grinding hammer-crusher (6), middle discharging opening is provided with the second conveying worm (11) and is connected with the charging aperture of gravity separator (12), the bottom discharge mouth is provided with fighter's elevator (16) and is connected with the charging aperture of high pressure electrostatic separator (17).
2. PCB as claimed in claim 1 pulverizes retracting device, it is characterized in that, the bottom discharge mouth of described gravity separator (12) is provided with triple helical conveyer (15) and is connected with the second conveying worm (11).
3. PCB as claimed in claim 1 pulverizes retracting device, it is characterized in that, the bottom discharge mouth of described high pressure electrostatic separator (17) is provided with the 5th conveying worm (19) and is connected with the 6th conveying worm (20).
4. PCB as claimed in claim 1 pulverizes retracting device, it is characterized in that, the charging aperture of described double-roll crusher (2) is connected with raw material cabin by the first belt conveyor (1), be connected by the second belt conveyor (3) between described double-roll crusher (2) and coarse crushing hammer-crusher (4), be connected by the first conveying worm (5) between described coarse crushing hammer-crusher (4) and grinding hammer-crusher (6).
5. PCB as claimed in claim 1 pulverizes retracting device, it is characterized in that, described cyclone collector (7) also is connected with centrifugal high pressure fan (9) by bag collector (8).
6. PCB as claimed in claim 1 pulverizes retracting device, it is characterized in that, described gravity separator (12) also is connected with sack cleaner (14) by mixed powder screw for returning material (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203540854U CN203343159U (en) | 2013-06-19 | 2013-06-19 | PCB (printed circuit board) crushing recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203540854U CN203343159U (en) | 2013-06-19 | 2013-06-19 | PCB (printed circuit board) crushing recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203343159U true CN203343159U (en) | 2013-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203540854U Expired - Fee Related CN203343159U (en) | 2013-06-19 | 2013-06-19 | PCB (printed circuit board) crushing recovery device |
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| CN (1) | CN203343159U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103586254A (en) * | 2013-06-19 | 2014-02-19 | 上海细村粉体技术有限公司 | PCB (Printed circuit board) smashing recovery device and processing method thereof |
| CN107952571A (en) * | 2016-06-15 | 2018-04-24 | 张荣斌 | A kind of production method of Machine-made Sand |
| WO2018233383A1 (en) * | 2017-06-23 | 2018-12-27 | 中国矿业大学 | Wet separation and recovery process for recovering valuable constituents from waste circuit board |
| CN109569852A (en) * | 2018-12-29 | 2019-04-05 | 浙江双金机械集团股份有限公司 | Solid material separation method and equipment |
-
2013
- 2013-06-19 CN CN2013203540854U patent/CN203343159U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103586254A (en) * | 2013-06-19 | 2014-02-19 | 上海细村粉体技术有限公司 | PCB (Printed circuit board) smashing recovery device and processing method thereof |
| CN107952571A (en) * | 2016-06-15 | 2018-04-24 | 张荣斌 | A kind of production method of Machine-made Sand |
| CN107952571B (en) * | 2016-06-15 | 2019-11-19 | 江苏银服智能装备有限公司 | A kind of production method of Machine-made Sand |
| WO2018233383A1 (en) * | 2017-06-23 | 2018-12-27 | 中国矿业大学 | Wet separation and recovery process for recovering valuable constituents from waste circuit board |
| CN109569852A (en) * | 2018-12-29 | 2019-04-05 | 浙江双金机械集团股份有限公司 | Solid material separation method and equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131218 Termination date: 20150619 |
|
| EXPY | Termination of patent right or utility model |