CN114011836A - Device and method for disassembling selenium drum of waste printer - Google Patents
Device and method for disassembling selenium drum of waste printer Download PDFInfo
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- CN114011836A CN114011836A CN202111274167.3A CN202111274167A CN114011836A CN 114011836 A CN114011836 A CN 114011836A CN 202111274167 A CN202111274167 A CN 202111274167A CN 114011836 A CN114011836 A CN 114011836A
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- disassembling
- carbon powder
- selenium drum
- waste
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- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 title claims abstract description 86
- 229910052711 selenium Inorganic materials 0.000 title claims abstract description 86
- 239000011669 selenium Substances 0.000 title claims abstract description 86
- 239000002699 waste material Substances 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 title claims abstract description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 121
- 230000007246 mechanism Effects 0.000 claims abstract description 43
- 238000009700 powder processing Methods 0.000 claims abstract description 16
- 238000005188 flotation Methods 0.000 claims description 25
- 238000011084 recovery Methods 0.000 claims description 15
- 230000009471 action Effects 0.000 claims description 11
- 239000000428 dust Substances 0.000 claims description 11
- 238000007664 blowing Methods 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 239000012065 filter cake Substances 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 4
- 230000003068 static effect Effects 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000002245 particle Substances 0.000 description 8
- 239000007789 gas Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000003472 neutralizing effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920005553 polystyrene-acrylate Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000007158 vacuum pyrolysis Methods 0.000 description 1
Images
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
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
- B03B5/28—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
-
- 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
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
- G03G21/10—Collecting or recycling waste developer
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05F—STATIC ELECTRICITY; NATURALLY-OCCURRING ELECTRICITY
- H05F3/00—Carrying-off electrostatic charges
- H05F3/06—Carrying-off electrostatic charges by means of ionising radiation
-
- 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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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Electrophotography Configuration And Component (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a device and a method for disassembling a selenium drum of a waste printer, wherein the device comprises a disassembling box, a carbon powder separating mechanism and a carbon powder processing mechanism; the disassembling box is provided with a disassembling cavity for disassembling the toner cartridge of the printer; the carbon powder separating mechanism comprises an ion air bar and an induced draft fan, an air outlet of the ion air bar is communicated with the disassembling cavity, and an inlet of the induced draft fan is communicated with the disassembling cavity; and the input end of the carbon powder processing mechanism is communicated with the outlet of the draught fan. Compared with the prior art, the technical scheme provided by the invention has the beneficial effects that: the ionized air with positive and negative charges is released by the ion air bar to neutralize the static charges on the surface of the carbon powder, and meanwhile, the high-pressure ionized air released by the ion air bar impacts the carbon powder to separate the carbon powder from the surface of the selenium drum, so that the carbon powder and the selenium drum are separated in an environment-friendly and efficient manner.
Description
Technical Field
The invention relates to the field of resource treatment of waste printers, in particular to a device and a method for disassembling a selenium drum of a waste printer.
Background
The current office printer equipment is updated more quickly, resulting in the production of a large number of waste printers. Meanwhile, the residual toner cartridge and toner in the waste printer are also generated in large quantities, which brings new environmental problems. However, the related green treatment process is yet to be developed. The waste selenium drum contains materials with recovery value, such as aluminum (A1), copper (Cu), iron (Fe), magnet (NdFeB), plastic (ABS) and the like, and the content of the materials is as follows: 12.4% of aluminum, 0.1% of copper, 39.9% of iron, 4.6% of magnet and 34.8% of ABS plastic. In addition, a large amount of residual carbon powder is generated in the disassembling and crushing process of the toner cartridge, the mass of the residual carbon powder in a single waste toner cartridge is about 8 wt%, and a large amount of residual carbon powder is not safely treated. The carbon powder particles are prepared by wrapping nano ferroferric oxide and silicon dioxide by polystyrene and polyacrylate, the particle size of the particles is 5-12 mu m, the particles have magnetism, the surface hydrophobicity is strong, and the surface carries static electricity. Carbon powder is easy to disperse in the environment in the recovery process of the waste selenium drum, and if the carbon powder is not properly treated, the environment exposure of particle pollutants is easy to cause health risks.
At present, waste toner cartridges and waste carbon powder are independently used as research objects in the related technology of resource treatment of waste printers, and how to separate residual toner cartridges and carbon powder from the waste printers in an environment-friendly and efficient manner is ignored. For example, in chinese patent application No. CN201110219195, waste selenium drums are crushed into fragments with a particle size of 5mm-15mm, negative pressure type cyclone separation is adopted to separate carbon powder in the waste selenium drums, the concentration of dust particles is reduced, and physical separation is adopted to obtain metal and plastic particles. For another example, chinese patent application No. CN201610139176 discloses an apparatus for producing fuel oil and gas by pyrolyzing waste toner powder, which is converted into pyrolysis oil by vacuum pyrolysis. The above patent is limited to the separate processing of the toner cartridge and the toner. However, in actual production, the selenium drum and the carbon powder are often remained in a waste printer and are difficult to separate, and how to separate the selenium drum and the carbon powder in an environment-friendly and efficient manner is an important technical problem which needs to be solved urgently at present.
Disclosure of Invention
In view of the above, there is a need to provide a device and a method for disassembling a toner cartridge of a waste printer, so as to solve the technical problems that the toner cartridge and carbon powder are remained in the waste printer and are difficult to separate in actual production, and the toner cartridge and the carbon powder cannot be separated in an environment-friendly and efficient manner.
In order to achieve the aim, the invention provides a selenium drum disassembling device for a waste printer, which is characterized by comprising a disassembling box, a carbon powder separating mechanism and a carbon powder processing mechanism;
the disassembling box is provided with a disassembling cavity for disassembling the toner cartridge of the printer;
the carbon powder separating mechanism comprises an ion air bar and an induced draft fan, an air outlet of the ion air bar is communicated with the disassembling cavity, and an inlet of the induced draft fan is communicated with the disassembling cavity;
and the input end of the carbon powder processing mechanism is communicated with the outlet of the draught fan.
Preferably, the ion wind rod is an explosion-proof ion wind rod.
Preferably, the disassembling box is provided with an operation hole communicated with the disassembling cavity, and the inner side wall of the operation hole is provided with an insulating glove which is positioned in the disassembling cavity.
Preferably, the device for disassembling the selenium drum of the waste printer further comprises a conveying belt, and one part of the conveying belt is arranged in the disassembling cavity.
Preferably, carbon dust separating mechanism still includes recovery duct and hopper, recovery duct's one end with the import intercommunication of draught fan, the feed inlet of hopper with disassemble the chamber intercommunication, the discharge gate of hopper with recovery duct's the other end intercommunication.
Preferably, the carbon powder processing mechanism comprises a flotation tank and a pressure filter, the flotation tank is provided with a flotation cavity for filling liquid, an outlet of the induced draft fan is communicated with one end of the flotation cavity, and the other end of the flotation cavity is communicated with a feeding hole of the pressure filter.
Preferably, the upper end of the flotation tank is provided with an air outlet, the carbon powder processing mechanism further comprises a dust removal piece, and the feed end of the dust removal piece is communicated with the air outlet.
The invention also provides a method for disassembling the selenium drum of the waste printer, which is suitable for the device for disassembling the selenium drum of the waste printer and comprises the following steps:
separating the selenium drum in the disassembling box, and simultaneously starting an induced draft fan to form a negative pressure environment in the disassembling box;
blowing air to the disassembled selenium drum through an ion air bar, ejecting ionized air with positive and negative charges from the ion air bar to neutralize the surface charges of the carbon powder, and separating the carbon powder from the surface of the selenium drum under the impact of high-pressure air flow blown out by the ion air bar;
the separated carbon powder enters the carbon powder treatment mechanism under the combined action of the induced draft fan and the ion air bar, and the carbon powder treatment mechanism carries out harmless treatment on the carbon powder.
The invention also provides a method for disassembling the selenium drum of the waste printer, which is suitable for the device for disassembling the selenium drum of the waste printer and comprises the following steps:
placing the waste selenium drum on a conveying belt, and conveying the selenium drum into a disassembling box by the conveying belt;
separating the selenium drum in the disassembling box, and simultaneously starting an induced draft fan to form a negative pressure environment in the disassembling box;
blowing air to the disassembled selenium drum through an ion air bar, ejecting ionized air with positive and negative charges from the ion air bar to neutralize the surface charges of the carbon powder, and separating the carbon powder from the surface of the selenium drum under the impact of high-pressure air flow blown out by the ion air bar;
the separated carbon powder enters the carbon powder treatment mechanism under the combined action of the induced draft fan and the ion air bar, and the carbon powder treatment mechanism carries out harmless treatment on the carbon powder.
The invention also provides a method for disassembling the selenium drum of the waste printer, which is suitable for the device for disassembling the selenium drum of the waste printer and comprises the following steps:
separating the selenium drum in the disassembling box, and simultaneously starting an induced draft fan to form a negative pressure environment in the disassembling box;
blowing air to the disassembled selenium drum through an ion air bar, ejecting ionized air with positive and negative charges from the ion air bar to neutralize the surface charges of the carbon powder, and separating the carbon powder from the surface of the selenium drum under the impact of high-pressure air flow blown out by the ion air bar;
the separated carbon powder enters the liquid in the flotation tank along with the air flow under the combined action of the induced draft fan and the ion air bar, the carbon powder floats upwards and enters the filter press to be made into a carbon powder filter cake through the filter press, the impurities are suspended or sunk in the water, and the tail gas is discharged after being dedusted and purified by the dedusting part.
Compared with the prior art, the technical scheme provided by the invention has the beneficial effects that: the ionized air with positive and negative charges is released by the ion air bar to neutralize the static charges on the surface of the carbon powder, and meanwhile, the high-pressure ionized air released by the ion air bar impacts the carbon powder to separate the carbon powder from the surface of the selenium drum, so that the carbon powder and the selenium drum are separated in an environment-friendly and efficient manner.
Drawings
FIG. 1 is a schematic perspective view of an embodiment of a waste printer selenium drum disassembling device provided by the invention;
FIG. 2 is a cross-sectional view taken along section A-A of FIG. 1;
FIG. 3 is a schematic perspective view of the ion wind rod of FIG. 1;
in the figure: 1-disassembling box, 2-carbon powder separating mechanism, 3-carbon powder treating mechanism, 4-conveying belt, 11-operation hole, 12-insulating gloves, 13-transparent window, 21-ion air bar, 22-induced draft fan, 23-recovery pipeline, 24-hopper, 31-flotation box, 32-filter press and 33-dedusting piece.
Detailed Description
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate preferred embodiments of the invention and together with the description, serve to explain the principles of the invention and not to limit the scope of the invention.
Referring to fig. 1, the invention provides a device for disassembling a selenium drum of a waste printer, which comprises a disassembling box 1, a carbon powder separating mechanism 2 and a carbon powder processing mechanism 3.
The disassembling box 1 is provided with a disassembling cavity for disassembling the toner cartridge of the printer. The carbon powder separating mechanism 2 comprises an ion air rod 21 and an induced draft fan 22, the air outlet of the ion air rod 21 is communicated with the disassembling cavity, and the inlet of the induced draft fan 22 is communicated with the disassembling cavity. And the input end of the carbon powder processing mechanism 3 is communicated with the outlet of the induced draft fan 22.
When in use, the selenium drum is manually separated in the dismantling box 1, and the induced draft fan 22 is started at the same time, so that a negative pressure environment is formed in the dismantling box 1; meanwhile, the ion wind rod 21 blows air to the disassembled selenium drum, the ion wind rod 21 emits ionized air with positive and negative charges to neutralize the surface charges of the carbon powder, and the carbon powder is separated from the surface of the selenium drum under the impact of high-pressure air flow blown by the ion wind rod 21; the separated carbon powder enters the carbon powder treatment mechanism 3 under the combined action of the induced draft fan 22 and the ion air bar 21, and the carbon powder treatment mechanism 3 carries out harmless treatment on the carbon powder.
The invention releases ionized air with positive and negative charges through the ion air bar 21, neutralizes the static charges on the surface of the carbon powder, and simultaneously the high-pressure ionized gas released by the ion air bar 21 impacts the carbon powder, so that the carbon powder is separated from the surface of the selenium drum, and the environment-friendly and efficient separation of the carbon powder and the selenium drum is realized.
In order to avoid the electric spark and the risk of dust explosion, referring to fig. 1-3, in a preferred embodiment, the ion wind rod 21 is an explosion-proof ion wind rod, the ion wind rod 21 can generate a large amount of airflow with positive and negative charges, and the airflow is blown out at high speed by compressed air to neutralize the charges on the object, when the charges on the surface of the object are negative charges, the airflow attracts the positive charges in the airflow, and when the charges on the surface of the object are positive charges, the airflow attracts the negative charges in the airflow, so that the static electricity on the surface of the object is neutralized, and the purpose of eliminating the static electricity is achieved.
In order to facilitate manual disassembly of the selenium drum, please refer to fig. 1 and 2, in a preferred embodiment, an operation hole 11 communicated with the disassembly chamber is formed in the disassembly box 1, an insulating glove 12 is mounted on an inner side wall of the operation hole 11, the insulating glove 12 is located in the disassembly chamber, and when the selenium drum disassembly tool is used, a worker wears the insulating glove 12 to manually disassemble the selenium drum, so that adverse effects on health of the worker are prevented.
In order to facilitate the observation of the disassembled box 1, referring to fig. 1, in a preferred embodiment, a transparent window 13 is formed on the sidewall of the disassembled box 1.
In order to facilitate feeding the waste toner cartridge into the disassembling box 1, referring to fig. 1, in a preferred embodiment, the device for disassembling the toner cartridge of the waste printer further includes a conveying belt 4, and a part of the conveying belt 4 is disposed in the disassembling cavity.
In order to facilitate the recovery of carbon powder, please refer to fig. 1 and 2, in a preferred embodiment, the carbon powder separating mechanism 2 further includes a recovery pipeline 23 and a hopper 24, one end of the recovery pipeline 23 is communicated with an inlet of the induced draft fan 22, a feed inlet of the hopper 24 is communicated with the disassembling chamber, a discharge outlet of the hopper 24 is communicated with the other end of the recovery pipeline 23, and when in use, carbon powder separated from the surface of the selenium drum enters the recovery pipeline 23 through the hopper 24 and then enters the carbon powder processing mechanism 3 through the recovery pipeline 23.
In order to realize the function of the carbon powder processing mechanism 3, referring to fig. 1, in a preferred embodiment, the carbon powder processing mechanism 3 includes a flotation tank 31 and a filter press 32, the flotation tank 31 has a flotation chamber for filling liquid, an outlet of the induced draft fan 22 is communicated with one end of the flotation chamber, and the other end of the flotation chamber is communicated with a feed inlet of the filter press 32. When the device is used, the separated carbon powder enters liquid (water) in the flotation tank 31 along with air flow under the combined action of the induced draft fan 22 and the ion air bar 21, the carbon powder floats upwards and enters the filter press 32, a carbon powder filter cake is prepared by the filter press 32, and impurities such as soil and the like suspend or sink in water.
Preferably, in the present invention, the flotation tanks 31 are provided in two so that the carbon powder can be better separated by the secondary flotation.
In order to prevent the tail gas from polluting the air, referring to fig. 1, in a preferred embodiment, an air outlet is formed in the upper end of the flotation tank 31, the carbon powder processing mechanism 3 further includes a dust removing member 33, a feeding end of the dust removing member 33 is communicated with the air outlet, and in this embodiment, the dust removing member 33 is a bag-type dust remover.
The invention also provides a method for disassembling the selenium drum of the waste printer, which is suitable for the device for disassembling the selenium drum of the waste printer and comprises the following steps:
(1) separating the selenium drum in the dismantling box 1, and simultaneously starting the induced draft fan 22 to form a negative pressure environment in the dismantling box 1;
(2) blowing air to the disassembled selenium drum through the ion air bar 21, ejecting ionized air with positive and negative charges from the ion air bar 21, neutralizing the surface charges of the carbon powder, and separating the carbon powder from the surface of the selenium drum under the impact of high-pressure air flow blown out from the ion air bar 21;
(3) the separated carbon powder enters the carbon powder treatment mechanism 3 under the combined action of the induced draft fan 22 and the ion air bar 21, and the carbon powder treatment mechanism 3 carries out harmless treatment on the carbon powder.
The invention also provides a method for disassembling the selenium drum of the waste printer, which is suitable for the device for disassembling the selenium drum of the waste printer and comprises the following steps:
(1) placing the waste selenium drum on a conveyer belt 4, and conveying the selenium drum into a disassembling box 1 by the conveyer belt 4;
(2) separating the selenium drum in the dismantling box 1, and simultaneously starting the induced draft fan 22 to form a negative pressure environment in the dismantling box 1;
(3) blowing air to the disassembled selenium drum through the ion air bar 21, ejecting ionized air with positive and negative charges from the ion air bar 21, neutralizing the surface charges of the carbon powder, and separating the carbon powder from the surface of the selenium drum under the impact of high-pressure air flow blown out from the ion air bar 21;
(4) the separated carbon powder enters the carbon powder treatment mechanism 3 under the combined action of the induced draft fan 22 and the ion air bar 21, and the carbon powder treatment mechanism 3 carries out harmless treatment on the carbon powder.
The invention also provides a method for disassembling the selenium drum of the waste printer, which is suitable for the device for disassembling the selenium drum of the waste printer and comprises the following steps:
(1) separating the selenium drum in the dismantling box 1, and simultaneously starting the induced draft fan 22 to form a negative pressure environment in the dismantling box 1;
(2) blowing air to the disassembled selenium drum through the ion air bar 21, ejecting ionized air with positive and negative charges from the ion air bar 21, neutralizing the surface charges of the carbon powder, and separating the carbon powder from the surface of the selenium drum under the impact of high-pressure air flow blown out from the ion air bar 21;
(3) the separated carbon powder enters the liquid in the flotation tank 31 along with the air flow under the combined action of the induced draft fan 22 and the ion air bar 21, the carbon powder floats upwards and enters the filter press 32, the carbon powder is made into a carbon powder filter cake through the filter press 32, the impurities are suspended or sunk in the water, and the tail gas is discharged after being dedusted and purified by the dedusting part 33.
In summary, the technical scheme disclosed by the invention uses the ion air bar 21 for collecting the printer carbon powder, the ion air bar 21 releases ionized air with positive and negative charges to neutralize the static charge on the surface of the carbon powder, and simultaneously, high-pressure gas impacts the carbon powder to separate the carbon powder from the surface of the selenium drum; meanwhile, the aeration flotation-filter pressing dehydration method is used for separating and collecting the carbon powder of the printer, and the process is mature, simple and efficient.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.
Claims (10)
1. A selenium drum disassembling device for a waste printer is characterized by comprising a disassembling box, a carbon powder separating mechanism and a carbon powder processing mechanism;
the disassembling box is provided with a disassembling cavity for disassembling the toner cartridge of the printer;
the carbon powder separating mechanism comprises an ion air bar and an induced draft fan, an air outlet of the ion air bar is communicated with the disassembling cavity, and an inlet of the induced draft fan is communicated with the disassembling cavity;
and the input end of the carbon powder processing mechanism is communicated with the outlet of the draught fan.
2. The disassembling device for the selenium drum of the waste printer as claimed in claim 1, wherein the ion wind rod is an explosion-proof ion wind rod.
3. The disassembling device for the selenium drum of the waste printer according to claim 1, wherein the disassembling box is provided with an operation hole communicated with the disassembling cavity, and an insulating glove is mounted on the inner side wall of the operation hole and positioned in the disassembling cavity.
4. The disassembling device for the selenium drum of the waste printer according to claim 1, further comprising a conveying belt, wherein a part of the conveying belt is arranged in the disassembling cavity.
5. The disassembling device for the selenium drum of the waste printer as claimed in claim 1, wherein the carbon powder separating mechanism further comprises a recovery pipeline and a hopper, one end of the recovery pipeline is communicated with an inlet of the induced draft fan, a feed inlet of the hopper is communicated with the disassembling cavity, and a discharge outlet of the hopper is communicated with the other end of the recovery pipeline.
6. The disassembling device for the selenium drum of the waste printer as claimed in claim 1, wherein the carbon powder processing mechanism comprises a flotation tank and a filter press, the flotation tank is provided with a flotation cavity for filling liquid, an outlet of the induced draft fan is communicated with one end of the flotation cavity, and the other end of the flotation cavity is communicated with a feeding hole of the filter press.
7. The disassembling device for the selenium drum of the waste printer as claimed in claim 6, wherein an air outlet is formed in the upper end of the flotation tank, the carbon powder processing mechanism further comprises a dust removing member, and the feeding end of the dust removing member is communicated with the air outlet.
8. A method for disassembling a waste printer selenium drum, which is suitable for the device for disassembling the waste printer selenium drum as claimed in any one of claims 1 to 7, and is characterized by comprising the following steps:
separating the selenium drum in the disassembling box, and simultaneously starting an induced draft fan to form a negative pressure environment in the disassembling box;
blowing air to the disassembled selenium drum through an ion air bar, ejecting ionized air with positive and negative charges from the ion air bar to neutralize the surface charges of the carbon powder, and separating the carbon powder from the surface of the selenium drum under the impact of high-pressure air flow blown out by the ion air bar;
the separated carbon powder enters the carbon powder treatment mechanism under the combined action of the induced draft fan and the ion air bar, and the carbon powder treatment mechanism carries out harmless treatment on the carbon powder.
9. A method for disassembling a waste printer selenium drum is suitable for the device for disassembling the waste printer selenium drum as claimed in claim 4, and is characterized by comprising the following steps:
placing the waste selenium drum on a conveying belt, and conveying the selenium drum into a disassembling box by the conveying belt;
separating the selenium drum in the disassembling box, and simultaneously starting an induced draft fan to form a negative pressure environment in the disassembling box;
blowing air to the disassembled selenium drum through an ion air bar, ejecting ionized air with positive and negative charges from the ion air bar to neutralize the surface charges of the carbon powder, and separating the carbon powder from the surface of the selenium drum under the impact of high-pressure air flow blown out by the ion air bar;
the separated carbon powder enters the carbon powder treatment mechanism under the combined action of the induced draft fan and the ion air bar, and the carbon powder treatment mechanism carries out harmless treatment on the carbon powder.
10. A method for disassembling a waste printer selenium drum, which is suitable for the device for disassembling the waste printer selenium drum as claimed in claim 7, and is characterized by comprising the following steps:
separating the selenium drum in the disassembling box, and simultaneously starting an induced draft fan to form a negative pressure environment in the disassembling box;
blowing air to the disassembled selenium drum through an ion air bar, ejecting ionized air with positive and negative charges from the ion air bar to neutralize the surface charges of the carbon powder, and separating the carbon powder from the surface of the selenium drum under the impact of high-pressure air flow blown out by the ion air bar;
the separated carbon powder enters the liquid in the flotation tank along with the air flow under the combined action of the induced draft fan and the ion air bar, the carbon powder floats upwards and enters the filter press to be made into a carbon powder filter cake through the filter press, the impurities are suspended or sunk in the water, and the tail gas is discharged after being dedusted and purified by the dedusting part.
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Application publication date: 20220208 |