CN112139217A - Systematic treatment process method for disassembling waste CRT display screen - Google Patents
Systematic treatment process method for disassembling waste CRT display screen Download PDFInfo
- Publication number
- CN112139217A CN112139217A CN202010972185.8A CN202010972185A CN112139217A CN 112139217 A CN112139217 A CN 112139217A CN 202010972185 A CN202010972185 A CN 202010972185A CN 112139217 A CN112139217 A CN 112139217A
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- China
- Prior art keywords
- disassembling
- display screen
- crt display
- waste
- glass
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- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 40
- 239000002699 waste material Substances 0.000 title claims abstract description 34
- 230000009897 systematic effect Effects 0.000 title claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 claims abstract description 8
- 238000003672 processing method Methods 0.000 claims abstract description 5
- 239000011521 glass Substances 0.000 claims description 29
- 239000000843 powder Substances 0.000 claims description 20
- 238000004140 cleaning Methods 0.000 claims description 14
- 238000004064 recycling Methods 0.000 claims description 10
- 238000005520 cutting process Methods 0.000 claims description 8
- 239000004033 plastic Substances 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000002351 wastewater Substances 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 238000004065 wastewater treatment Methods 0.000 claims description 3
- 238000010008 shearing Methods 0.000 abstract 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 4
- 239000000126 substance Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- B09B3/80—Destroying solid waste or transforming solid waste into something useful or harmless involving an extraction step
-
- 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
-
- 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
- Y02W30/78—Recycling of wood or furniture waste
-
- 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]
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a systematic treatment process method for disassembling a waste CRT display screen, which comprises the following steps: placing the waste CRT display on a disassembling platform through a mechanical arm, disassembling a shell of the CRT display, and placing the disassembled shell on a placing rack; the method comprises the steps of screwing a picture tube and a horn by pneumatic screwdriver, shearing wires on the picture tube, the horn and a deflection coil by scissors, removing the horn, removing a circuit board and a front cover of a shell, finally shearing residual wires on the circuit board by the scissors, and removing the deflection coil. According to the systematic processing method for disassembling the waste CRT display screen, the CRTCRT display can be disassembled into three parts in a centralized manner by utilizing the centralized disassembling platform, so that the subsequent three production lines can be respectively processed conveniently, the disassembly is more refined, and the arrangement structure of the production line type can improve the efficiency.
Description
Technical Field
The invention relates to a systematic treatment process method for disassembling a waste CRT display screen, in particular to a systematic treatment process method for disassembling a waste CRT display screen.
Background
CRT displays containing CRT type are currently the mainstream used and eliminated parts of television and computer products; if the CRT contains harmful substances such as lead and mercury, the CRT is harmful to human health and seriously pollutes the environment if the CRT is not treated properly; meanwhile, since the CRT accounts for 55 to 65 percent of the weight of the whole machine, how to effectively carry out systematic environment-friendly treatment on the CRT display is a key problem for perfecting the recycling treatment process of the television and the computer; in addition, if the CRT is reasonably recycled, the waste of energy can be reduced, the pollution to air, water and the like can be reduced, and the recycled CRT glass and other component materials can be recycled as building materials and filling materials or industrial raw materials for metallurgy, chemical industry, light industry and the like.
At present, the CRT dismantling method adopted in domestic and overseas researches can be basically divided into two types, namely a physical dismantling method and a chemical dismantling method; in developed countries, the current technical trend of CRT display processing is to use modern science and technology, simplify the processing technology and the number of personnel, and obtain the recycled product with high added value only by few procedures; in contrast, the traditional disassembling system of the CRTCRT display in China only realizes the separation of large components, and does not realize further detailed disassembly, so that the waste utilization degree is low, and waste is caused; if only the main picture tube is disassembled, the rest parts are discarded or directly transported, which causes the cost of waste treatment to be increased and also easily causes the waste of available resources. Therefore, a systematic treatment process method for disassembling the waste CRT display screen is urgently needed.
Disclosure of Invention
In order to solve the technical problems, the invention provides the following technical scheme:
the invention relates to a systematic treatment process method for disassembling a waste CRT display screen, which comprises the following specific steps;
s1: placing the waste CRT display on a disassembling platform through a mechanical arm, disassembling a shell of the CRT display, and placing the disassembled shell on a placing rack; the method comprises the following steps of (1) cutting wires on a picture tube, a loudspeaker and a deflection coil by using a pneumatic screwdriver and scissors, removing the loudspeaker, removing a circuit board, a front cover of a shell, finally cutting residual wires on the circuit board by using the scissors, and removing the deflection coil;
s2: starting a power switch on the vacuum pump, aligning a suction pipe of the vacuum pump to the fluorescent powder on the glass, processing the fluorescent powder, cleaning the surface of the glass through a brush, and continuously repeating the operation to process the fluorescent powder on the glass;
s3: separating the screen cone glass by heat treatment, feeding the separated screen glass into a CRT (cathode ray tube) roller cleaning machine connected with a fluorescent powder-containing wastewater treatment component for cleaning, and respectively treating the screen cone glass by the CRT roller cleaning machine of the cone glass treatment component;
s4: and finally, conveying the waste plastics of the disassembled display screen to a recycling workshop for crushing, and recycling through a waste circuit board powder and waste plastic recycling production line to provide the utilization rate of resources.
As a preferred technical solution of the present invention, the speaker, the circuit board and the front cover of the housing detached in S1 are respectively placed in a collection box in a classified manner, and a rubber pad is disposed in the collection box.
As a preferred technical solution of the present invention, in the operation process of S1, the mechanical arm is used to disassemble the components on the display screen, and the operator needs to wear rubber gloves.
As a preferred technical solution of the present invention, an air extractor is disposed on the disassembling worktable, and a duct of the air extractor faces a glass screen of the display screen.
As a preferred technical scheme of the invention, the extractor is internally provided with a filtering device and a collecting box, and the filtering device is communicated with the collecting box through a pipeline.
In a preferred embodiment of the present invention, the CRT drum washer used in step S3 is provided with graphite waste water.
The invention has the beneficial effects that: according to the systematic processing method for disassembling the waste CRT display screen, the CRTCRT display can be firstly disassembled into three parts in a centralized manner by utilizing the centralized disassembling platform, so that the subsequent three production lines can be respectively processed conveniently, the disassembly is more detailed, and the efficiency can be improved by the arrangement structure of the production line type; the CRT cutting line process is characterized in that the screen cone glass is separated by utilizing heat treatment, then the shadow mask is disassembled, and fluorescent powder on the screen glass is absorbed by a vacuumizing tool, so that the effect of rapid cutting and separation is achieved, the environment is protected, a picture tube disassembling production line can continuously realize the refining and disassembling of a picture tube, finally obtained products are screen glass and cone glass which can be directly cleaned, meanwhile, waste water is also treated and recycled, the energy is saved, the environment is protected, the energy waste is extremely low, and the treatment efficiency is high.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a flow chart of a systematic treatment process for disassembling a waste CRT display screen according to the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example (b): as shown in fig. 1, the present invention provides a systematic processing method for dismantling a waste CRT display screen, which comprises the following specific steps;
s1: placing the waste CRT display on a disassembling platform through a mechanical arm, disassembling a shell of the CRT display, and placing the disassembled shell on a placing rack; the method comprises the following steps of (1) cutting wires on a picture tube, a loudspeaker and a deflection coil by using a pneumatic screwdriver and scissors, removing the loudspeaker, removing a circuit board, a front cover of a shell, finally cutting residual wires on the circuit board by using the scissors, and removing the deflection coil;
s2: starting a power switch on the vacuum pump, aligning a suction pipe of the vacuum pump to the fluorescent powder on the glass, processing the fluorescent powder, cleaning the surface of the glass through a brush, and continuously repeating the operation to process the fluorescent powder on the glass;
s3: separating the screen cone glass by heat treatment, feeding the separated screen glass into a CRT (cathode ray tube) roller cleaning machine connected with a fluorescent powder-containing wastewater treatment component for cleaning, and respectively treating the screen cone glass by the CRT roller cleaning machine of the cone glass treatment component;
s4: and finally, conveying the waste plastics of the disassembled display screen to a recycling workshop for crushing, and recycling through a waste circuit board powder and waste plastic recycling production line to provide the utilization rate of resources.
Wherein, the front cover of the loudspeaker, circuit board and the casing that dismantle in S1 is classified respectively and is placed in the collecting box, and is provided with the rubber pad in the collecting box, prevents to lead to the spare part of display screen disassembling to take place to damage when transporting the part.
Wherein, in S1' S the operation process, adopt the arm to locate to disassemble to the spare part on the display screen, operating personnel need wear rubber gloves simultaneously, uses the arm in S1, can improve the efficiency of disassembling the display screen to wear rubber gloves and can protect operating personnel.
Wherein, disassemble and be provided with the air extractor on the workstation, and the pipeline of air extractor is just facing the glass screen of display screen, absorbs the phosphor powder that produces in S2, prevents that phosphor powder from diffusing to the air, causes the environment pollution and avoids inhaling in operating personnel' S the throat.
Wherein, be provided with filter equipment and collecting box in the extractor, and filter equipment is linked together with the collecting box through the pipeline, through set up filter equipment and collecting box on the extractor, absorb and collect phosphor powder, be convenient for handle phosphor powder.
Wherein, the CRT drum cleaning machine used in the step S3 is provided with graphite wastewater.
Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A systematic treatment process method for disassembling a waste CRT display screen is characterized in that the process method for disassembling the CRT display screen comprises the following specific steps;
s1: placing the waste CRT display on a disassembling platform through a mechanical arm, disassembling a shell of the CRT display, and placing the disassembled shell on a placing rack; the method comprises the following steps of (1) cutting wires on a picture tube, a loudspeaker and a deflection coil by using a pneumatic screwdriver and scissors, removing the loudspeaker, removing a circuit board, a front cover of a shell, finally cutting residual wires on the circuit board by using the scissors, and removing the deflection coil;
s2: starting a power switch on the vacuum pump, aligning a suction pipe of the vacuum pump to the fluorescent powder on the glass, processing the fluorescent powder, cleaning the surface of the glass through a brush, and continuously repeating the operation to process the fluorescent powder on the glass;
s3: separating the screen cone glass by heat treatment, feeding the separated screen glass into a CRT (cathode ray tube) roller cleaning machine connected with a fluorescent powder-containing wastewater treatment component for cleaning, and respectively treating the screen cone glass by the CRT roller cleaning machine of the cone glass treatment component;
s4: and finally, conveying the waste plastics of the disassembled display screen to a recycling workshop for crushing, and recycling through a waste circuit board powder and waste plastic recycling production line to provide the utilization rate of resources.
2. The systematic processing method for disassembling the used CRT display screen according to claim 1, wherein the speaker, the circuit board and the front cover of the casing disassembled in the S1 are separately placed in a collection box, and a rubber pad is disposed in the collection box.
3. The systematic processing method for disassembling the waste CRT display screen according to claim 1, wherein in the operation process of S1, the mechanical arm is used to disassemble the parts on the display screen, and the operator needs to wear rubber gloves.
4. The systematic treatment process method for disassembling the waste CRT display screen according to claim 1, wherein an air extractor is arranged on the disassembling worktable, and a pipeline of the air extractor faces the glass screen of the display screen.
5. The systematic treatment process method for disassembling the waste CRT display screens of claim 4, wherein a filtering device and a collecting box are arranged in the extracting machine, and the filtering device is communicated with the collecting box through a pipeline.
6. The process of claim 1, wherein the CRT drum cleaning machine used in the step S3 is filled with graphite waste water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010972185.8A CN112139217A (en) | 2020-09-16 | 2020-09-16 | Systematic treatment process method for disassembling waste CRT display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010972185.8A CN112139217A (en) | 2020-09-16 | 2020-09-16 | Systematic treatment process method for disassembling waste CRT display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112139217A true CN112139217A (en) | 2020-12-29 |
Family
ID=73892930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010972185.8A Pending CN112139217A (en) | 2020-09-16 | 2020-09-16 | Systematic treatment process method for disassembling waste CRT display screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112139217A (en) |
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2020
- 2020-09-16 CN CN202010972185.8A patent/CN112139217A/en active Pending
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