CN203678829U - Pyrolytic debromination device of waste printed circuit board - Google Patents
Pyrolytic debromination device of waste printed circuit board Download PDFInfo
- Publication number
- CN203678829U CN203678829U CN201420080674.2U CN201420080674U CN203678829U CN 203678829 U CN203678829 U CN 203678829U CN 201420080674 U CN201420080674 U CN 201420080674U CN 203678829 U CN203678829 U CN 203678829U
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- China
- Prior art keywords
- circuit board
- printed circuit
- pyrolysis
- debromination
- waste printed
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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
- Y02W30/62—Plastics recycling; Rubber recycling
-
- 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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- Processing Of Solid Wastes (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
The utility model discloses a pyrolytic debromination device of a waste printed circuit board. The pyrolytic debromination device comprises a pyrolysis furnace body, an adsorption catalytic device, a spiral condensing device, a liquid collection device, a water seal device, a separation device and an exhaust gas treatment device, wherein multiple stirring rods are arranged in the pyrolysis furnace body; a raw material inlet and a pyrolysis solid product outlet are separately formed in the upper and lower walls of the pyrolysis furnace body; pyrolytic high temperature gas enters into the adsorption catalytic device through an pyrolytic gas outlet, the gas subjected to adsorption catalysis enters into the spiral condensing device to be cooled, condensing liquid enters into the liquid collection device, and non-condensable gas enters into the water seal device to be separated through the separation device and finally enters into the exhaust gas treatment device to be treated. According to the pyrolytic debromination device, the pyrolysis and debromination of the waste printed circuit board are organically combined and the purpose of recycling all components of the waste printed circuit board is realized.
Description
Technical field
The utility model relates to a kind of waste printed circuit board Pyrolyzation and debromination device, is mainly applicable to the recycling of waste printed circuit board.
Background technology
Resin in waste printed circuit board (WPCB) mostly is thermosets, can not adopt general physics melting regeneration techniques recycling, the thermochemical techniques such as pyrolysis are considered to recycle the most effective technology of waste printed circuit board, pyrolysis can be reclaimed the materials such as metal in waste printed circuit board, resin and glass fibre effectively, but in pyrolytic process, brominated flame retardant can decompose the many brominated organic compounds of generation.Simultaneously, along with the fast development of national economy, petroleum consumption increases suddenly, China belongs to the country of petroleum resources shortage, for reducing the dependence to Imported oil, China is implementing diversification of energy strategy, and along with the successful commercialization of commercial polyolefin liquefaction, the resinous principle liquefaction of waste printed circuit board has a good application prospect.
Existing waste printed circuit board pyrolysis installation, all adopts the method for resistance heated, and energy consumption is large.Dehalogenation in pyrolytic process, is all by waste printed circuit board and additives mixed pyrolysis, brings great difficulty to pyrolysis residue resource recycling.Because waste printed circuit board is thermosets, poor thermal conductivity, in mixed process, being easily heated can be inhomogeneous, affects pyrolysis and dehalogenation effect, needs to increase agitating device.Existing research is laboratory lab scale and pilot scale stage, can drop into the rarely seen report of device of industrial scale applications.For this reason, developing a kind of waste printed circuit board Pyrolyzation and debromination device capable of being industrialized can greatly promote the recycling of waste printed circuit board to reclaim the development of industry.
Summary of the invention
For making up above-mentioned defect, the utility model proposes a kind of waste printed circuit board Pyrolyzation and debromination device, can make the abundant pyrolysis of waste printed circuit board, high-temperature gas obtains purifying pyrolysis oil without bromine through adsoption catalysis effect, for full constituent comprehensive utilization after realizing waste printed circuit board pyrolysis provides technical foundation.
In order to solve the problems of the technologies described above, the utility model is achieved by the following technical solutions.
A kind of waste printed circuit board Pyrolyzation and debromination device that the utility model provides, comprises pyrolysis body of heater 3, adsoption catalysis device 9, spiral condensing unit 11, fluid collection device 12, water seal arrangement 13, separator 14, exhaust gas processing device 15; Several stirring rod 6 are installed in the inside of described pyrolysis body of heater 3, and on it, lower wall is installed respectively material inlet 7, pyrolysis solid product discharging opening 8; The high-temperature gas of pyrolysis enters adsoption catalysis device 9 by pyrolysis gas outlet, it is cooling that gas after adsoption catalysis enters spiral condensing unit 11, condensate liquid enters fluid collection device 12, condensable gases does not separate by separator 14 after entering water seal arrangement 13, finally enters exhaust gas processing device 15 and processes tail gas.
Described pyrolysis body of heater 3 is hermetically sealed, and its inner stirring rod 6 of installing connects shaft 4, and shaft 4 is connected with motor 1 by shaft coupling 2.Pyrolysis body of heater 3 mode of heatings are electromagnetic induction Automatic-heating, the dynamic pattern that adopts inside spin to stir, and motor 1 drives stirring rod 6 to rotate, and while making pyrolysis, waste printed circuit board is heated evenly, and pyrolysis temperature is at 400 DEG C～550 DEG C, and pyrolysis time is 1～2 hour.
The top of described pyrolysis body of heater 3 is also installed into gas port 5.Air inlet 5 can pass into N
2, can regulate and control selection pyrolysis atmosphere; Close air inlet 5 and can keep vacuum state, ensure system pressure with water seal arrangement 13.
The inside installing gas distributor 10 of described adsoption catalysis device 9.Ensure that pyrolysis gas is evenly distributed.Adsoption catalysis material is graininess form, comprises FeOOH, active A l
2o
3particle, HZSM-5.
Described pyrolysis body of heater 3 and adsoption catalysis device 9 outer surfaces all wrap up heat-insulation layer.
The quantity that described stirring rod 6 is installed is five, respectively symmetrically and evenly distributing installation on shaft 4.
Reach the object of uniform stirring.
The beneficial effects of the utility model are:
The utility model is by waste printed circuit board pyrolysis and the two combination of debrominate, by the appropriate design of horizontal chamber furnace (oven) mode of heating and adsoption catalysis device, can process a tonne block waste printed circuit board simultaneously, the application of electromagnetic induction automatic heating system, save the energy, and make waste printed circuit board pyrolysis even.Independent pyrolysis gas catalysis debrominate mode, pyrolysis gas fully reacts, and has solved a subsequent treatment difficult problem for pyrolysis residue simultaneously, has realized waste printed circuit board full constituent and has reclaimed object.
Brief description of the drawings
Below in conjunction with the drawings and specific embodiments, the technical solution of the utility model is described in further detail.
Fig. 1 is the schematic diagram of the utility model embodiment waste printed circuit board Pyrolyzation and debromination device.
Wherein: 1, motor; 2, shaft coupling; 3, pyrolysis body of heater; 4, shaft; 5, air inlet; 6, stirring rod; 7, material inlet; 8, pyrolysis solid product discharging opening; 9, adsoption catalysis device; 10, gas distributor; 11, spiral condensing unit; 12, fluid collection device; 13, water seal arrangement; 14, separator; 15, exhaust gas processing device.
Detailed description of the invention
As shown in Figure 1, the utility model embodiment waste printed circuit board Pyrolyzation and debromination device, comprise the pyrolysis body of heater 3 of sealing metal material, the top of pyrolysis body of heater 3 is provided with air inlet 5, material inlet 7 and pyrolysis gas outlet, the bottom of pyrolysis body of heater 3 is provided with pyrolysis solid product discharging opening 8,5 stirring rod 6 are housed on shaft 4, material is fully mixed, be heated evenly.Shaft 4 is driven and is realized 360 degree rotations by motor 1.
The outer wall of pyrolysis body of heater 3 is provided with heat-insulation layer, is conducive to energy-conserving and environment-protective.The sidewall of pyrolysis body of heater 3 is provided with temperature-measuring port, can detect the temperature of different parts.Sidewall is also provided with the pressure tap of the internal pressure of measuring pyrolysis body of heater 3 simultaneously, and real-time monitored is to temperature and pressure situation of change.
The pyrolysis gas that 3 pyrolysis of pyrolysis body of heater produce enters adsoption catalysis device 9, by gas distributor 10, ensures that pyrolysis gas is evenly distributed to enter the catalysis of adsoption catalysis layer, and gas distributor adopts high temperature resistant and erosion-resisting material to make.Adsorption layer is active A l
2o
3particle.
Gas after catalysis enters spiral condensing unit 11, recirculated water water-cooled.Condensate liquid enters fluid collection device 12, and condensable gases does not enter water seal arrangement 13 and separator 14, finally processes exhaust emissions by exhaust gas processing device 15.
The course of work of the utility model embodiment waste printed circuit board Pyrolyzation and debromination device is specific as follows:
Block waste printed circuit board enters pyrolysis body of heater 3 by material inlet 7, closes charging lid, starts motor 1 and drives shaft 4 to rotate, N
2pass into air inlet 5, after 10min, open electromagnetic induction heating switch, when producing a large amount of pyrolysis gas after temperature rise to 340 DEG C, control temperature stabilization at 500 DEG C.Pyrolysis gas enters the adsoption catalysis device 9 that maintains the temperature at 400 DEG C, evenly enter reaction system by gas distributor 10, after reaction, gas enters 11 condensations of spiral condensing unit, and condensate liquid pyrolysis oil enters fluid collection device 12 and collects, and condensable gases composition is not as CO, CO
2, CH
4deng entering water seal arrangement 13 and separator 14, finally process exhaust emissions or burning by exhaust gas processing device 15.
The utility model waste printed circuit board Pyrolyzation and debromination device, the feature such as raw material can be without the waste printed circuit board of broken bulk, has treating capacity large, simple in structure, and cost is low, reliable.Adsorption catalyst can be changed variety classes as required, simple and convenient.Pyrolysis oil productive rate can reach 30%, and main component is phenol, can be used as extracting industrial chemicals.Pyrolysis residue easily physical separation obtains the metal recovery such as copper.
The utility model also has numerous embodiments, in every case in spirit of the present utility model and essential scope, any change of doing, is equal to replacements, improvement, all within protection domain of the present utility model.
Claims (5)
1. a waste printed circuit board Pyrolyzation and debromination device, is characterized in that: comprise pyrolysis body of heater (3), adsoption catalysis device (9), spiral condensing unit (11), fluid collection device (12), water seal arrangement (13), separator (14), exhaust gas processing device (15); Several stirring rod (6) are installed in the inside of described pyrolysis body of heater (3), and on it, lower wall is installed respectively material inlet (7), pyrolysis solid product discharging opening (8); The high-temperature gas of pyrolysis enters adsoption catalysis device (9) by pyrolysis gas outlet, it is cooling that gas after adsoption catalysis enters spiral condensing unit (11), condensate liquid enters fluid collection device (12), condensable gases does not separate by separator (14) after entering water seal arrangement (13), finally enters exhaust gas processing device (15).
2. waste printed circuit board Pyrolyzation and debromination device according to claim 1, is characterized in that: described pyrolysis body of heater (3) is hermetically sealed, and stirring rod (6) connects shaft (4), and shaft (4) is connected with motor (1) by shaft coupling (2).
3. waste printed circuit board Pyrolyzation and debromination device according to claim 1, is characterized in that: the top of described pyrolysis body of heater (3) is also installed into gas port (5).
4. waste printed circuit board Pyrolyzation and debromination device according to claim 1, is characterized in that: the inside installing gas distributor (10) of described adsoption catalysis device (9).
5. waste printed circuit board Pyrolyzation and debromination device according to claim 1, is characterized in that: described pyrolysis body of heater (3) and adsoption catalysis device (9) outer surface all wrap up heat-insulation layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420080674.2U CN203678829U (en) | 2014-02-25 | 2014-02-25 | Pyrolytic debromination device of waste printed circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420080674.2U CN203678829U (en) | 2014-02-25 | 2014-02-25 | Pyrolytic debromination device of waste printed circuit board |
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| CN203678829U true CN203678829U (en) | 2014-07-02 |
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ID=51000789
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|---|---|---|---|
| CN201420080674.2U Expired - Fee Related CN203678829U (en) | 2014-02-25 | 2014-02-25 | Pyrolytic debromination device of waste printed circuit board |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105091579A (en) * | 2015-08-31 | 2015-11-25 | 苏州富通高新材料科技股份有限公司 | Smelting device for plate processing |
| CN105149322A (en) * | 2015-09-23 | 2015-12-16 | 宁波恒创环保科技有限公司 | Separation method for glass fibre cloth and metal layer in printed circuit board |
| CN107243496A (en) * | 2017-06-15 | 2017-10-13 | 广东环境保护工程职业学院 | A kind of Al2O3And Fe3O4The method that composite catalyzing is pyrolyzed waste printed circuit board old metal powder |
| CN107282591A (en) * | 2017-06-15 | 2017-10-24 | 广东环境保护工程职业学院 | A kind of method of waste printed circuit board pyrolysis oil two-part catalysis pyrolysis debrominate simultaneously and lighting |
| CN107377577A (en) * | 2017-06-15 | 2017-11-24 | 广东环境保护工程职业学院 | One kind is based on 5A and Fe3O4The waste printed circuit board catalysis method for pyrolysis of compound additive |
| CN107377587A (en) * | 2017-07-31 | 2017-11-24 | 安徽诺鑫自动化设备有限公司 | A kind of pyrolysis installation during chemical fixed-end forces |
| US9850433B2 (en) | 2015-12-31 | 2017-12-26 | Chz Technologies, Llc | Multistage thermolysis method for safe and efficient conversion of E-waste materials |
| CN110776944A (en) * | 2019-11-05 | 2020-02-11 | 天津大学 | Movable bed type pyrolysis system for waste printed circuit boards subjected to secondary catalysis |
| CN111036646A (en) * | 2019-12-06 | 2020-04-21 | 中山大学 | Low-temperature pyrolysis debromination method for nonmetal components of waste circuit boards |
| US10640711B2 (en) | 2018-06-05 | 2020-05-05 | Chz Technologies, Llc | Multistage thermolysis method for safe and efficient conversion of treated wood waste sources |
| CN113560319A (en) * | 2021-07-21 | 2021-10-29 | 中南大学 | Solvent gasification pyrolysis device and method for waste circuit board |
-
2014
- 2014-02-25 CN CN201420080674.2U patent/CN203678829U/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105091579A (en) * | 2015-08-31 | 2015-11-25 | 苏州富通高新材料科技股份有限公司 | Smelting device for plate processing |
| CN105149322A (en) * | 2015-09-23 | 2015-12-16 | 宁波恒创环保科技有限公司 | Separation method for glass fibre cloth and metal layer in printed circuit board |
| US9850433B2 (en) | 2015-12-31 | 2017-12-26 | Chz Technologies, Llc | Multistage thermolysis method for safe and efficient conversion of E-waste materials |
| US11814585B2 (en) | 2015-12-31 | 2023-11-14 | Chz Technologies, Llc | Multistage thermolysis method for safe and efficient conversion of e-waste materials |
| US11306255B2 (en) | 2015-12-31 | 2022-04-19 | Chz Technologies, Llc | Multistage thermolysis method for safe and efficient conversion of e-waste materials |
| US10961461B2 (en) | 2015-12-31 | 2021-03-30 | Chz Technologies, Llc | Multistage thermolysis method for safe and efficient conversion of e-waste materials |
| CN107282591A (en) * | 2017-06-15 | 2017-10-24 | 广东环境保护工程职业学院 | A kind of method of waste printed circuit board pyrolysis oil two-part catalysis pyrolysis debrominate simultaneously and lighting |
| CN107282591B (en) * | 2017-06-15 | 2020-05-26 | 广东环境保护工程职业学院 | Method for simultaneously debrominating and lightening waste circuit board pyrolysis oil through two-stage catalytic pyrolysis |
| CN107377577A (en) * | 2017-06-15 | 2017-11-24 | 广东环境保护工程职业学院 | One kind is based on 5A and Fe3O4The waste printed circuit board catalysis method for pyrolysis of compound additive |
| CN107243496A (en) * | 2017-06-15 | 2017-10-13 | 广东环境保护工程职业学院 | A kind of Al2O3And Fe3O4The method that composite catalyzing is pyrolyzed waste printed circuit board old metal powder |
| CN107377587A (en) * | 2017-07-31 | 2017-11-24 | 安徽诺鑫自动化设备有限公司 | A kind of pyrolysis installation during chemical fixed-end forces |
| US10640711B2 (en) | 2018-06-05 | 2020-05-05 | Chz Technologies, Llc | Multistage thermolysis method for safe and efficient conversion of treated wood waste sources |
| CN110776944A (en) * | 2019-11-05 | 2020-02-11 | 天津大学 | Movable bed type pyrolysis system for waste printed circuit boards subjected to secondary catalysis |
| CN111036646A (en) * | 2019-12-06 | 2020-04-21 | 中山大学 | Low-temperature pyrolysis debromination method for nonmetal components of waste circuit boards |
| CN113560319B (en) * | 2021-07-21 | 2022-04-29 | 中南大学 | Solvent gasification pyrolysis device and method for waste circuit board |
| CN113560319A (en) * | 2021-07-21 | 2021-10-29 | 中南大学 | Solvent gasification pyrolysis device and method for waste circuit board |
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| 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140702 Termination date: 20160225 |