CN206512150U - Waste printed circuit board pyrolysis installation - Google Patents
Waste printed circuit board pyrolysis installation Download PDFInfo
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- CN206512150U CN206512150U CN201720057076.7U CN201720057076U CN206512150U CN 206512150 U CN206512150 U CN 206512150U CN 201720057076 U CN201720057076 U CN 201720057076U CN 206512150 U CN206512150 U CN 206512150U
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- reaction tube
- circuit board
- printed circuit
- waste printed
- pyrolysis installation
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- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
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Abstract
The utility model discloses a kind of waste printed circuit board pyrolysis installation, including：Inlet duct, heating furnace, reaction tube, condensing unit and gas collecting apparatus；The middle part sealing of the reaction tube and both ends open, the reaction tube are used to carry waste printed circuit board to be pyrolyzed, and the reaction tube is arranged in the burner hearth of the heating furnace；The one end open of the reaction tube is connected with the gas outlet of inlet duct, and another end opening of the reaction tube is connected with the condensing unit, and the condensing unit is connected with the gas collecting apparatus.Above-mentioned waste printed circuit board pyrolysis installation carries waste printed circuit board by the reaction tube being arranged in the burner hearth of heating furnace and is pyrolyzed, and is sealed in the middle part of reaction tube and both ends open is connected with inlet duct and condensing unit respectively, so that with good sealing.Relative to traditional device, the overall tightness of above-mentioned waste printed circuit board pyrolysis installation preferably, can avoid tar from remaining, realize thermal decomposition product Fractional Collections.
Description
Technical field
The utility model is related to the field of recyling technology of WEEE, more particularly to a kind of waste printed circuit board pyrolysis
Device.
Background technology
At present, waste printed circuit board pyrolytic technique refers to using thermochemical method under anaerobic or anoxia condition, by circuit board
In the organic component such as epoxy resin be heated at high temperature, make its be cracked into micromolecular compound (such as phenol, toluene, alkane,
H2, CO etc.) method.Because reaction is carried out in reducing atmosphere, therefore it can effectively suppress the production of the secondary pollutions such as bioxin
It is raw, in addition, the fuel gas of generation has higher calorific value, it is used to alleviate and contains in Pressure on Energy, pyrolytic tar
Substantial amounts of benzene class and phenolic compound, it is recyclable, substantial amounts of metal and glass fibre are contained in pyrolysis residue, it is easy to sort
Recycling, pyrolysis Jiao can make adsorbent, therefore, and it is an of great value work to carry out experimental study to circuit board pyrolytic process
Make.Circuit board pyrolytic is tested, and first has to ensure the sealing effectiveness of experimental facilities, to provide the environment of anaerobic or anoxic.In addition, hot
Tar is solved due to complicated component, molecular mass span is big, and separating difficulty is big, and variety classes tar is utilized during condensation is collected
The Fraction collection for carrying out heavy tar tar light oil is necessary.
Existing circuit board pyrolytic experimental rig, directly carries out experiment using coal and biomass pyrolysis device more, such as fixed
Formula pyrolysis installation, based on vertical reactor, is typically delivered directly to reaction zone by circuit board sample, then to the circuit of reaction zone
Plate sample heat temperature raising, carries out pyrolytic reaction, and overall tightness is poor, pyrolysis oil is condensed upon mouth of pipe tube wall or is remained in anti-
Answer in device, cause second pyrolysis, influence experiment accuracy.
Utility model content
Based on this, it is necessary to provide a kind of overall tightness preferable waste printed circuit board pyrolysis installation.
A kind of waste printed circuit board pyrolysis installation, including：Inlet duct, heating furnace, reaction tube, condensing unit and gas collection dress
Put；
The middle part sealing of the reaction tube and both ends open, the reaction tube are used to carry discarded circuit to be pyrolyzed
Plate, and the reaction tube is arranged in the burner hearth of the heating furnace；
The one end open of the reaction tube is connected with the gas outlet of inlet duct, another end opening of the reaction tube and institute
Condensing unit connection is stated, the condensing unit is connected with the gas collecting apparatus.
In one embodiment, reaction utensil and pull bar are provided with the reaction tube, one end of the reaction tube is detachable
Be provided with pipe cap；
The pipe cap is provided with the through hole matched with the pull bar, and one end of the pull bar passes the through hole, institute
The other end for stating pull bar is fixedly connected with the reaction utensil.
In one embodiment, the other end of the reaction tube shrinks to form collapsible tube.
In one embodiment, the ratio of the diameter of the collapsible tube and the diameter at the middle part of the reaction tube is 1~5：
10。
In one embodiment, the other end of the reaction tube is additionally provided with the guarantor with the middle part same diameter of the reaction tube
Pillar, the protection pipe is enclosed in the outside of the collapsible tube.
In one embodiment, the middle part of the burner hearth of the heating furnace is heating zone, the two ends of the burner hearth of the heating furnace
It is equipped with heat-insulation layer.
In one embodiment, the heating furnace is resistance furnace.
In one embodiment, the quantity of the condensing unit is 1,2 or 3, and the condensing unit includes condensation
Pipe.
In one embodiment, the inlet duct is gas cylinder, and the inlet duct is used to convey into the reaction tube
Helium, neon, argon gas, Krypton, xenon or nitrogen.
In one embodiment, dry removal of impurities pipe is additionally provided between the condensing unit and the gas collecting apparatus.
Above-mentioned waste printed circuit board pyrolysis installation carries waste printed circuit board by the reaction tube being arranged in the burner hearth of heating furnace
It is pyrolyzed, is sealed in the middle part of reaction tube and both ends open is connected with inlet duct and condensing unit respectively, so that with good
Sealing.Relative to traditional device, the overall tightness of above-mentioned waste printed circuit board pyrolysis installation preferably, can avoid tar residual
Stay, realize thermal decomposition product Fractional Collections.
Brief description of the drawings
Fig. 1 is the structural representation of the waste printed circuit board pyrolysis installation of an embodiment；
Fig. 2 is the structural representation of the reaction tube of waste printed circuit board pyrolysis installation as shown in Figure 1.
Embodiment
To enable above-mentioned purpose of the present utility model, feature and advantage more obvious understandable, with reference to specific implementation
Example is described in detail to embodiment of the present utility model.Elaborate in the following description many details so as to
In fully understanding the utility model.But the utility model can be implemented with being much different from other manner described here,
Those skilled in the art can do similar improvement in the case of without prejudice to the utility model intension, thus the utility model not by
The limitation of following public specific implementation.
As shown in figure 1, the waste printed circuit board pyrolysis installation of an embodiment, including：It is inlet duct 10, heating furnace 20, anti-
Should pipe 30, condensing unit 40, dry trash separator 50, gas collection flowmeter 60 and gas collecting apparatus 70.
With reference to Fig. 1, inlet duct 10 is gas cylinder in present embodiment.
The middle part sealing of reaction tube 30 and both ends open, the one end open 31 of reaction tube 30 and the outlet of inlet duct 10
Mouth connection, another end opening 32 of reaction tube 30 is connected with condensing unit 40.
In present embodiment, inlet duct 10 is connected by tracheae 12 with the one end open 31 of reaction tube 30.It is preferred that, gas
Pipe 12 is provided with inlet air flow gauge 14.
Inlet duct 10 conveys helium, neon, argon gas, Krypton, xenon or nitrogen into reaction tube 30 by tracheae 12.
Reaction tube 30 is used to carry waste printed circuit board to be pyrolyzed, and reaction tube 30 is arranged on the burner hearth 22 of heating furnace 20
It is interior.The middle part of the burner hearth 22 of heating furnace 20 is heating zone, and the two ends of the burner hearth 22 of heating furnace 20 are equipped with heat-insulation layer 24.
It is preferred that, reaction utensil 33 and pull bar 34 are provided with reaction tube 30, one end of reaction tube 30 is removably provided with pipe
Cap 35.
Pipe cap 35 is provided with the through hole 36 matched with pull bar 34, and one end of pull bar 34 passes through hole 36, pull bar 34
The other end be fixedly connected with reaction utensil 33.
Reaction utensil 33 is used to carry waste printed circuit board to be pyrolyzed, and pull bar 34 is used to reaction utensil 33 being pushed into reaction tube 30
Middle part.
With reference to Fig. 2, the one end open 31 of reaction tube 30 is arranged on pipe cap 35.
With reference to Fig. 2, it is preferred that the other end of reaction tube 30 shrinks to form collapsible tube 37.Collapsible tube 37 can cause pyrolysis
Gas accelerates flowing in collapsible tube, it is to avoid condensation residual.
The opening of collapsible tube 37 is another end opening 32 of reaction tube 30.
It is preferred that, the ratio of the diameter of collapsible tube 37 and the diameter at the middle part of reaction tube 30 is 1~5：10 (more elect 3 as：
10)。
With reference to Fig. 2, the other end of reaction tube 30 is additionally provided with the protection pipe 38 with the middle part same diameter of reaction tube 30, protection
Pipe 38 is enclosed in the outside of collapsible tube 37.
It is preferred that, heating furnace 20 is resistance furnace.The controller for being used for controlling resistance furnace temperature, controller are provided with resistance furnace
It is connected by the temperature sensor in body of heater with control cabinet, monitoring and regulation in real time for resistance in-furnace temperature.
The quantity of condensing unit 40 is 1,2 or 3.When the quantity of condensing unit 40 is more than 1, segmentation can be achieved
Condensation, so as to the product progress Fractional Collections obtained to pyrolysis.
It is preferred that, condensing unit 40 includes condenser pipe.
It is preferred that, condensing unit 40 is controllable temperature condenser.
Dry the impurity that trash separator 50 is used for away in volatile matter.
Gas collection flowmeter 60 is used to determine the volatile matter volume after cooling removal of impurities.
Gas collecting apparatus 70 is used to cool down the collection volatile matter after removal of impurities.
This waste printed circuit board pyrolysis installation work includes both of which, and one kind is slow pyrolytic process, first by circuit board sample
Product are positioned in reaction utensil, and sample is pushed into heating zone by pull bar, by gas cylinder gas transmission, inert gas is kept necessarily
Speed flows through reaction tube, and full of reaction tube, it is ensured that overall inert atmosphere, then, heating furnace is opened, set and risen by controller
Warm program, makes resistance furnace according to the heating schedule of setting, reaction tube is heated, until pyrolytic reaction terminates；
Another is fast pyrolytic process, and first circuit board sample is positioned in reaction utensil, reaction utensil is placed in into reaction tube pipe
In cap, connection pipe cap and reaction tube, by gas cylinder gas transmission, make inert gas keep certain speed to flow through reaction tube, and be full of
Reaction tube, it is ensured that overall inert atmosphere, sets heating schedule by controller, makes resistance furnace according to the heating schedule of setting, right
Reaction tube is heated, and is reached after reaction temperature, and sample is pushed into rapidly into heating zone by pull bar, material is reacted.
The volatile matter produced by pyrolytic reaction is carried out using above two mode, condensing unit is quickly entered through collapsible tube,
Volatile matter is cooled down step by step, and not cooled volatile matter drying removal of impurities pipe, is filtered off after impurity, via gas collection flowmeter
Record, finally, into gas collecting apparatus.
Above-mentioned waste printed circuit board pyrolysis installation carries waste printed circuit board by the reaction tube being arranged in the burner hearth of heating furnace
It is pyrolyzed, is sealed in the middle part of reaction tube and both ends open is connected with inlet duct and condensing unit respectively, so that with good
Sealing.Relative to traditional device, the overall tightness of above-mentioned waste printed circuit board pyrolysis installation is preferable.
In addition, above-mentioned waste printed circuit board pyrolysis installation employs sample introduction modular construction simply, it is integrally attached to, enters with reaction tube
During row pyrolytic reaction, first circuit board sample is positioned in reaction tube pipe cap or heating zone, then, circuit is realized by pull bar
Plate sample position is adjusted, simple in construction, easy to operate, and the overall sealing of device is effectively ensured.Resistance furnace passes through temperature control
Device real-time inspection and control in-furnace temperature, provided with heat-insulation layer, possesses good heat insulation effect, reaction tube rear end is provided with collapsible tube, uses
In accelerating air current flow, effectively preventing and treating pyrolytic tar condensation is remaining；Collection device is cooled down step by step, realizes that heterogeneity tar is classified
Collect.Therefore, for prior art, above-mentioned waste printed circuit board pyrolysis installation, its sample introduction is convenient, and overall tightness is good,
Effectively prevent tar remaining, the categorised collection of tar is realized, with superior Pyrolysis Experiment condition.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses several embodiments of the present utility model, and it describes more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that for the common skill of this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
Protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of waste printed circuit board pyrolysis installation, it is characterised in that including：Inlet duct, heating furnace, reaction tube, condensing unit
And gas collecting apparatus；
The middle part sealing of the reaction tube and both ends open, the reaction tube are used to carry waste printed circuit board to be pyrolyzed, and
And the reaction tube is arranged in the burner hearth of the heating furnace；
The one end open of the reaction tube is connected with the gas outlet of inlet duct, another end opening of the reaction tube with it is described cold
Solidifying device connection, the condensing unit is connected with the gas collecting apparatus.
2. waste printed circuit board pyrolysis installation according to claim 1, it is characterised in that reaction utensil is provided with the reaction tube
And pull bar, one end of the reaction tube is removably provided with pipe cap；
The pipe cap is provided with the through hole matched with the pull bar, and one end of the pull bar passes the through hole, described to push away
The other end of pull bar is fixedly connected with the reaction utensil.
3. waste printed circuit board pyrolysis installation according to claim 1, it is characterised in that the other end of the reaction tube shrinks
Form collapsible tube.
4. waste printed circuit board pyrolysis installation according to claim 3, it is characterised in that the diameter of the collapsible tube with it is described
The ratio of the diameter at the middle part of reaction tube is 1~5：10.
5. waste printed circuit board pyrolysis installation according to claim 3, it is characterised in that the other end of the reaction tube is also set
There is the protection pipe with the middle part same diameter of the reaction tube, the protection pipe is enclosed in the outside of the collapsible tube.
6. waste printed circuit board pyrolysis installation according to claim 1, it is characterised in that the middle part of the burner hearth of the heating furnace
For heating zone, the two ends of the burner hearth of the heating furnace are equipped with heat-insulation layer.
7. waste printed circuit board pyrolysis installation according to claim 1, it is characterised in that the heating furnace is resistance furnace.
8. waste printed circuit board pyrolysis installation according to claim 1, it is characterised in that the quantity of the condensing unit is 1
It is individual, 2 or 3, the condensing unit include condenser pipe.
9. waste printed circuit board pyrolysis installation according to claim 1, it is characterised in that the inlet duct is gas cylinder, institute
Stating inlet duct is used into the reaction tube convey helium, neon, argon gas, Krypton, xenon or nitrogen.
10. waste printed circuit board pyrolysis installation according to claim 1, it is characterised in that the condensing unit and the collection
Dry removal of impurities pipe is additionally provided between device of air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720057076.7U CN206512150U (en) | 2017-01-18 | 2017-01-18 | Waste printed circuit board pyrolysis installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720057076.7U CN206512150U (en) | 2017-01-18 | 2017-01-18 | Waste printed circuit board pyrolysis installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206512150U true CN206512150U (en) | 2017-09-22 |
Family
ID=59865605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720057076.7U Active CN206512150U (en) | 2017-01-18 | 2017-01-18 | Waste printed circuit board pyrolysis installation |
Country Status (1)
| Country | Link |
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| CN (1) | CN206512150U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110383033A (en) * | 2017-12-04 | 2019-10-25 | 株式会社Lg化学 | Automate sample pyrolysis installation |
-
2017
- 2017-01-18 CN CN201720057076.7U patent/CN206512150U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110383033A (en) * | 2017-12-04 | 2019-10-25 | 株式会社Lg化学 | Automate sample pyrolysis installation |
| US11614389B2 (en) | 2017-12-04 | 2023-03-28 | Lg Energy Solution, Ltd. | Automated apparatus for sample pyrolysis |
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