CN205472686U - Device with useless non - metal powder of circuit board preparation active carbon - Google Patents
Device with useless non - metal powder of circuit board preparation active carbon Download PDFInfo
- Publication number
- CN205472686U CN205472686U CN201520996579.1U CN201520996579U CN205472686U CN 205472686 U CN205472686 U CN 205472686U CN 201520996579 U CN201520996579 U CN 201520996579U CN 205472686 U CN205472686 U CN 205472686U
- Authority
- CN
- China
- Prior art keywords
- circuit board
- gas cylinder
- metal powder
- solid
- bottle
- 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.)
- Expired - Fee Related
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound 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[C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 229910052755 nonmetal Inorganic materials 0.000 title claims abstract description 13
- 239000000843 powder Substances 0.000 title claims abstract description 13
- 238000002360 preparation method Methods 0.000 title abstract description 6
- 229910052799 carbon Inorganic materials 0.000 title abstract 2
- 150000002843 nonmetals Chemical class 0.000 title abstract 2
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 238000000926 separation method Methods 0.000 claims abstract description 11
- 238000005859 coupling reaction Methods 0.000 claims abstract description 5
- 238000000605 extraction Methods 0.000 claims abstract description 5
- 239000002699 waste material Substances 0.000 claims description 14
- 230000001808 coupling Effects 0.000 abstract 2
- 238000010168 coupling process Methods 0.000 abstract 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N phosphoric acid Chemical compound 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OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 abstract 2
- 235000011007 phosphoric acid Nutrition 0.000 abstract 2
- 238000011084 recovery Methods 0.000 abstract 2
- 239000007787 solid Substances 0.000 abstract 2
- 238000003763 carbonization Methods 0.000 description 9
- 239000007789 gas Substances 0.000 description 8
- 230000004913 activation Effects 0.000 description 6
- 239000011800 void material Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 239000002250 absorbent Substances 0.000 description 3
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- 238000000034 method Methods 0.000 description 3
- 238000000197 pyrolysis Methods 0.000 description 3
- 230000003213 activating Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
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Abstract
The utility model discloses a device with useless non - metal powder of circuit board preparation active carbon, the device includes CO2 gas cylinder (1), and CO2 gas cylinder (1) has connected gradually high -pressure pump (2), reation kettle (3), relief pressure valve (7), solid -liquid separation bottle (5) and H3PO4 recovery bottle (6) through the pipeline, reation kettle (3) bottom is equipped with the extraction valve, is equipped with heater (4) on reation kettle (3), H3PO4 recovery bottle (6) are through tube coupling reation kettle (3), solid -liquid separation bottle (5) are through tube coupling CO2 gas cylinder (1).
Description
Technical field
This utility model belongs to field for the treatment of of solid waste, is specifically related to a kind of waste printed circuit board non-metal powder and prepares the device of activated carbon.
Background technology
In recent years, electronic waste has become as the problem that government, electronics industry and the public pay close attention to the most.The quickening updated along with electronic product and the shortening of electronic product life cycle, increasing waste electric products is environmentally safe causes huge threat.As the element that electronic product is the most basic, the safe efficient disposal of waste printed circuit board or recycling become the focus of countries in the world.At present main employing Mechanical Crushing is reclaimed for waste printed circuit board to be dissociated by the metal in wiring board, then by method for separating such as electrostatic, magnetic force, gravity, metal material and nonmetallic materials are separated.Metal dust is worth higher, can the most commercially sell.But few for accounting for the Application way of the non-metal powder of wiring board weight 70%, the most directly fill or simply for the filler as other materials, value is relatively low, cause the significant wastage of resource.At present, waste printed circuit board non-metal powder is prepared absorbent charcoal material as raw material by domestic having been reported.Duan Yuandong et al. is open reports the method using the waste plastics in circuit board to prepare activated carbon, the carbonization temperature of the method 500 DEG C, carbonization time 60 minutes, activation temperature 700 DEG C, soak time 90 minutes, but their not data such as announcement specific surface area preparing gained activated carbon.Yang Ertao et al. is open reports the method preparing activated carbon with waste printed circuit board non-metal powder, the method includes pyrolysis, molding, carbonization and four steps of steam activation, pyrolysis temperature 600 DEG C, pyrolysis time 2 hours, carbonization temperature 800 DEG C, carbonization time 30 minutes, steam activation temperature 850 DEG C, 3 hours steam activation time, the specific surface area of the activated carbon prepared under these conditions is 1019m2/ g, void content is 0.71cm3(commercial activated carbon surface amasss >=500m to/g2/ g, void content >=0.8cm3/g).In order to avoid the preparation process of high temperature carbonization, Kan et al. is the openest reports employing high-temperature water vapor and H3PO4The technology combined is for activating the method that waste printed circuit board non-metal powder prepares activated carbon.The method need not high temperature carbonization step, directly uses 50%H3PO4After activating 12 hours, it is re-activated 0.5 hour under 800 DEG C of high-temperature water vapors, but its activated carbon specific surface area obtained is only 810m2/ g, void content only has 0.6cm3/g。
Utility model content
For solving prior art carbonization temperature height, activation temperature length high, time-consuming, preparation process is many and energy consumption is high deficiency, this utility model provides kind waste printed circuit board non-metal powder and prepares the device of activated carbon.
This utility model adopts the following technical scheme that realization:
A kind of waste printed circuit board non-metal powder prepares the device of activated carbon, and described device includes CO2Gas cylinder, CO2Gas cylinder is connected with high-pressure pump, reactor, air relief valve, solid-liquid separation bottle and H in turn by pipeline3PO4Returnable bottle；Being provided with extraction valve bottom described reactor, reactor is provided with heater；H3PO4Returnable bottle passes through pipeline coupled reaction still；Solid-liquid separation bottle connects CO by pipeline2Gas cylinder.
Advantage the most of the present utility model is:
This utility model avoids the processes such as the high temperature carbonization of prior art needs, high-temperature activation, and step is few, and preparation time is short, and energy consumption is low, and the activated carbon specific surface area and the void content that prepare are above existing method.
Accompanying drawing explanation
Fig. 1 is reaction unit figure of the present utility model.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that the technical solution of the utility model, and it is understandable to make features described above of the present utility model, purpose and advantage become apparent from, below in conjunction with embodiment, this utility model is further explained explanation, it should be noted that, all embodiments listed here are merely illustrative, are not meant to be defined this utility model scope.
Embodiment 1
As it is shown in figure 1, a kind of waste printed circuit board non-metal powder prepares the device of activated carbon, described device includes CO2Gas cylinder 1, CO2Gas cylinder 1 is connected with high-pressure pump 2, reactor 3, air relief valve 7, solid-liquid separation bottle 5 and H in turn by pipeline3PO4Returnable bottle 6 is constituted；Being provided with extraction valve bottom described reactor 3, reactor 3 is provided with heater 4；H3PO4Returnable bottle 6 is by pipeline coupled reaction still 3；Solid-liquid separation bottle 5 connects CO by pipeline2Gas cylinder 1.
This utility model using method is as follows:
By waste printed circuit board non-metal powder and 30%H3PO4Adding in reactor 3, solid-to-liquid ratio controls at 1:3g/mL, airtight heating, and temperature controls at 35 DEG C.Meanwhile, CO is opened2Gas cylinder 1, is passed through the CO after high-pressure pump 2 pressurizes2, Stress control is at 7.5MPa.After reacting 20 minutes, by controlling the extraction valve of reactor 3 outlet at bottom, pressure is reduced to normal pressure, CO through air relief valve 7 bottom reactor by reactant mixture the most afterwards2Gas recycling use, solid-liquid mix products enters solid-liquid separation bottle 5 and carries out solid-liquid separation, isolated H3PO4Recovered liquid enters H3PO4Returnable bottle 6 also recycles.Then, the solid product obtained is activated 20 minutes under nitrogen atmosphere in 200 DEG C of tube type resistance furnaces, be cooled to room temperature afterwards and take out after solid-liquid separation, scrubbed, 105 DEG C of dried acquisition absorbent charcoal materials.Analyzing specific surface area and the void content of the absorbent charcoal material of preparation, result shows: the specific surface area of the activated carbon prepared under these conditions reaches 1133m2/ g, void content is 1.15cm3/g。
Claims (1)
1. the device preparing activated carbon with waste printed circuit board non-metal powder, it is characterised in that described device includes CO2Gas cylinder (1), CO2Gas cylinder (1) is connected with high-pressure pump (2), reactor (3), air relief valve (7), solid-liquid separation bottle (5) and H in turn by pipeline3PO4Returnable bottle (6)；Described reactor (3) bottom is provided with extraction valve, and reactor (3) is provided with heater (4)；H3PO4Returnable bottle (6) passes through pipeline coupled reaction still (3)；Solid-liquid separation bottle (5) connects CO by pipeline2Gas cylinder (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520996579.1U CN205472686U (en) | 2015-12-03 | 2015-12-03 | Device with useless non - metal powder of circuit board preparation active carbon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520996579.1U CN205472686U (en) | 2015-12-03 | 2015-12-03 | Device with useless non - metal powder of circuit board preparation active carbon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205472686U true CN205472686U (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520996579.1U Expired - Fee Related CN205472686U (en) | 2015-12-03 | 2015-12-03 | Device with useless non - metal powder of circuit board preparation active carbon |
Country Status (1)
| Country | Link |
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| CN (1) | CN205472686U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105399094A (en) * | 2015-12-03 | 2016-03-16 | 福建工程学院 | Method and device for preparing active carbon through nonmetal powder of waste circuit boards |
-
2015
- 2015-12-03 CN CN201520996579.1U patent/CN205472686U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105399094A (en) * | 2015-12-03 | 2016-03-16 | 福建工程学院 | Method and device for preparing active carbon through nonmetal powder of waste circuit boards |
| CN105399094B (en) * | 2015-12-03 | 2018-03-09 | 福建工程学院 | A kind of method and device that activated carbon is prepared with waste printed circuit board non-metal powder |
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| GR01 | Patent grant | ||
| C14 | Grant of patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20181203 |
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| CF01 | Termination of patent right due to non-payment of annual fee |