KR101270115B1 - System for recycling crt waste glass - Google Patents

Abstract

PURPOSE: A system for recycling glass from a waste CRT(Cathode Ray Tube) monitor is provided to pulverize target materials such as a CRTP(Cathode Ray Tube Panel) and a CRTF(Cathode Ray Tube Funnel) into particles having proper sizes in order to apply the materials to a concrete or clay block, thereby recycling the glass from a waste CRT TV or the waste CRT monitor. CONSTITUTION: A system for recycling glass from a waste CRT monitor includes the following steps: a step(a) of separating a waste CRT into multiple target materials which are a CRTP and a CRTF; a step(b) of selectively feeding the separated materials into a pulverizer; a step(c) of firstly crushing the material fed into the pulverizer; a step(d) of determining whether or not the particle size of the firstly crushed materials corresponds to a predetermined first referential particle size range; a step(e) of secondly crushing the CRTP of the materials corresponding to the first referential particle size range; a step(f) determining whether or not the particle size of the secondly crushed CRTP corresponds to a predetermined second referential particle size range; a step(g) of feeding the CRTP satisfying the second referential particle size range to a clay block producing part(44); and a step(h) of removing dust from remaining materials in a dust disposing part through a cyclone and a bag filter in the step(f), and then feeding the remaining materials to the clay block producing part. [Reference numerals] (110) Hopper; (120) First pulverizer; (130) First particle size discriminator; (140) Second pulverizer; (150) Second particle size discriminator; (42) Concrete block generating part; (44) Clay block producing part; (46) Lead smelter part

Description

System for recycling CRT waste glass

The present invention relates to a waste CRT glass recycling system, and more particularly, to collect, separate, crush, crush, classify and mix waste CRT glass, which constitutes an important component of a cathode-ray tube (CRT) TV. The invention relates to a waste CRT glass recycling system that allows for conversion to recycled materials having the required properties.

In accordance with the Special Act on the Digital Switching of Terrestrial Television Broadcasting and the Activation of Digital Broadcasting, Korea plans to stop analog broadcasting and switch to digital broadcasting by the end of 2012. As a result, the replacement of digital TVs is expected to increase in 2012 and around 4 million households (17 million, 44.9% of non-replaced households) will be replaced by digital TVs. It is estimated that more than 10,000 abandoned analog TVs will be produced, and more than 10 million will be produced, considering the analog TVs supplied to workplaces and public institutions.

As mentioned above, the amount of waste TV emissions is expected to increase to 1.2 million units / year and 1.5 million units / year or more in the future, and the world-wide waste generated from home appliances including CRT (Cathode Ray Tube) such as television and computers The trend is increasing.

In general, waste plate glass and waste bottle glass are mainly recycled as raw materials of various glass through pretreatment process by a designated recycling system.However, in case of waste CRT glass, CRT in Korea and overseas due to sudden change in broadcasting conditions It is difficult to recycle waste CRT CRTs as raw materials, as the operation of CRT makers is unclear. In addition, waste CRT glass has a lower price competitiveness than other conventional glass, contains a large amount of lead, relatively high melting point during recycling, and poor government support. Compared to other glass, it is difficult to apply the conventional recycling technology.

Referring to the conventional patent literature, a method of manufacturing various recycled materials by recycling waste glass is as follows. Referring to Korean Patent No. 10-0334140 and Japanese Patent No. 3681158, it can be seen that various kinds of recycled materials are produced using particles and cement particles that are commonly crushed waste glass. It can be seen that the above references have in common that the even mixing and bonding of the waste glass and cement particles through the process of maintaining a specific particle size and temperature range.

On the other hand, the conventional patent documents are described mainly on the process of recycling in consideration of the general plate glass different from the waste CRT glass, which has a problem that there is a limit to derive a recycling method in consideration of the material composition contained in the waste CRT glass have.

In reality, the biggest obstacles to recycling waste CRT glass include the reduced demand for waste CRT glass containing lead and other heavy metals, and the lack of recycling technology. In other words, there is no technology to immediately recycle and commercialize waste CRT glass, and export and landfill may be considered as a temporary measure until recycling technology is developed, but it is not preferable in terms of resource recycling and recycling. Ultimately, commercialization technology development for recycling to other products is urgently needed.

In order to solve the above problems, the present invention provides a recycled material having properties required by collecting, separating, crushing, crushing, classifying and mixing waste CRT glass, which constitutes an important component of a CRT TV or monitor. It is an object of the present invention to provide a waste CRT glass recycling system for the conversion.

Waste CRT glass recycling system according to the present invention provided to achieve the above object comprises the steps of: (a) separating the waste CRT CRT into a plurality of materials to be processed, (b) the plurality of separated in step (a) Selectively supplying the object to be processed into the mill, (c) first crushing the material to be fed into the mill, and (d) the material to be crushed in step (c) And determining whether the particle size corresponds to the preset first reference particle size range.

The waste CRT glass recycling system, after the step (d), (e) the secondary crushing of the first object shredded, and (f) the second crushed processing in the step (e) It may be desirable to further include the step of determining whether the particle size of the target material falls within the preset second reference particle size range.

In the waste CRT glass recycling system, after step (d) or step (f), (g) it may be desirable to apply the shredded material to the block manufacturing process.

The plurality of materials to be processed may preferably include a cathode ray tube panel (CRTP) and a cathode ray tube funnel (CRTF).

The first reference particle size range may be 0.5 mm or more and 10 mm or less for the CRTP, and 20 mm or less for the CRTF.

In the case of the CRTP, the second reference particle size range may be 0.5 mm or less.

The CRTP may be used to manufacture a concrete block when the first reference particle size range is satisfied, and may be used to manufacture a clay block (brick) when the second reference particle size range is satisfied.

As described above, the waste CRT glass recycling system according to the present invention enables the recycling of waste CRT TVs or monitors by crushing materials to be processed such as CRTP and CRTF and processing them to an appropriate particle size, and then applying them to concrete or clay blocks. do.

The present invention contributes to the environmental aspects by preventing the secondary pollution by increasing the recycling of waste home appliances, while reducing the use of landfill.

1 is a view schematically showing the overall structure of the waste CRT glass recycling system according to the present invention, and
Figure 2 is a view showing a specific configuration of the crushing classification unit which is an important component of the present invention.

These and other objects, features and other advantages of the present invention will become more apparent by describing in detail preferred embodiments of the present invention with reference to the accompanying drawings. The described embodiments are provided by way of example for purposes of illustration, and do not limit the technical scope of the present invention.

In the present invention, the 'processing material' may be an element constituting the waste CRT, and specifically, refers to a Cathode Ray Tube Panel (CRTP) or a Cathode Ray Tube Funnel (CRTF) separated from the waste CRT.

Each component of the waste CRT glass recycling system of the present invention may be manufactured in one piece or separately separated as needed. In addition, some components may be omitted depending on the form of use.

Hereinafter, a waste CRT glass recycling system according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

lungs CRT  Describe the overall composition of the glass recycling system

First, with reference to Figure 1 looks at the overall configuration of the waste CRT glass recycling system according to the present invention.

The waste CRT glass recycling system according to the present invention is a waste CRT material generator 10, the waste CRT material collector 10 receives the waste CRT glass from the collection unit 20, the waste CRT glass of the collection unit 20 In the separation unit 30 for separating the processing target material such as CRTP and CRTF, in the crushing classification unit 100 and the crushing classification unit 100 for selectively crushing and classifying the processing target material separated from the separation unit 30 And a recycling unit 40 into which the processed object is injected.

The waste CRT material generator 10 may be a general home, a business place, a production plant, or the like using a conventional CRT-type TV or monitor.

The collection unit 20 may be set as a place for collecting and storing waste materials from the waste CRT material generating unit 10 regularly or irregularly.

Separation unit 30 is a separation operation for obtaining the processing target material required for the present invention of the waste CRT material received from the collection unit 20 is performed.

Specifically, the process after the CRT TV is received in the separating unit 30 is as follows. First, remove the TV case made of plastic. Separate the deflection yoke and gun that make up the neck of the CRT CRT. Then, separate the front glass and the rear glass. Remove the shadow mask stud pins attached to the detached windshield and remove the anode buttons attached to the detached rear windshield.

The recycling unit 40 includes a concrete block producing unit 42, a clay block producing unit 44, and a lead smelting unit 46 for receiving a crushed material to be processed to a required particle size to produce a product for a specific use. .

Of the grinding classifier 100  Overall configuration description

Next, referring to Figures 1 and 2, the overall configuration and connection of the grinding classifier 100 will be described.

The pulverizer classification unit 100 is a hopper 110 receiving CRTP and CRTF separated and discharged from the separator 30, a first crusher 120 and a first crusher selectively receiving CRTP or CRTF from the hopper 110. Is connected to the first particle size determiner 130, the first particle size determiner 130 for determining and distributing whether the particle size of the processing target material received from the 120 corresponds to the category of the first reference particle size preset in the controller A second particle size determiner 150 for determining and distributing whether or not the particle size of the processing target material received from the second grinder 140 and the second grinder 140 corresponds to a category of the second reference particle size preset in the controller; 2 includes a dust treatment unit 160 to which dust from the particle size determiner 150 is introduced.

The first grinder 120 has a mechanical configuration that can adjust the degree of grinding in accordance with CRTP or CRTF. For example, by adjusting the spacing between the grinding gears it is possible to adjust the size of the grinding particles of the CRTP or CRTF.

The hopper 110 connected to the control unit selectively supplies the CRTP or the CRTF to the first grinder 120 according to the instruction of the control unit while receiving the CRTP and the CRTF and storing them in a separate space. In order to realize the technical characteristics of CRT TV, there are some differences between the specific materials constituting the CRTP corresponding to the front glass and the CRTF corresponding to the rear glass. Efficient work can be difficult. Therefore, the present invention is set by limiting the material to be processed into the first mill 120 to a material having the same physical properties.

The first particle size determiner 130 determines whether the particle size of the processing target material discharged from the first grinder 120 corresponds to the first reference particle size range preset in the controller. Specifically, the first reference particle size range may be 0.5 mm or more and 10 mm or less in the case of CRTP, and 20 mm or less in the case of CRTF. As an example of determining the first reference granularity range, a vibration screen having a mesh having a predetermined standard may be used. That is, in the process of adjusting the particle size of the CRTP, a vibration screen having a mesh grid of 5 mm or less is used.

The first particle size determiner 130 is connected to the concrete block production unit 42 through the first CRTP crushed material supply pipe 131, and is connected to the lead smelting unit 46 through the first CRTF crushed material supply pipe 132. It is connected to the first grinder 120 through the first conveying pipe 133. In the case of CRTP, when the particle size is 0.5 mm or more and 10 mm or less, it is supplied to the concrete block production part 42, and when it exceeds 5 mm, it is supplied to the 1st grinder 120 again. In the case of CRTF, when the particle size is 20 mm or less, it is supplied to the lead smelting part 46, and when it exceeds 20 mm, it is supplied to the 1st grinder 120 again.

The second particle size determiner 150 determines whether the particle size of the processing target material discharged from the second grinder 140 corresponds to the second reference particle size range preset in the controller. Specifically, the second reference particle size range may be set to 0.5 mm or less in the case of CRTP.

The second particle size determiner 150 is connected to the clay block production unit 44 through the second CRTP crushed material supply pipe 151, and is connected to the second crusher 140 through the second conveying pipe 153. In the case of CRTP, when the particle size is 0.5 mm or less, it is supplied to the clay block production part 44, and when it exceeds 0.5 mm, it is supplied to the 2nd grinder 140 again.

The dust treatment unit 160 includes a cyclone 161, a bag filter 162 and a vacuum pump 163 interlocked with the cyclone 160. The dust flowing into the dust treatment unit 160 is processed by a centrifugal separation method through the cyclone 161 and the dust is collected through the bag filter 162. Impurities such as dust separated by the dust collecting process of the cyclone 161 and the bag filter 162 may be collected in a separate space by the vacuum pump 163.

lungs CRT  Describe the overall operation of the glass recycling system

1 and 2, the operation of the waste CRT glass recycling system according to the present invention is examined.

The waste CRT material generating part 10, the collecting part 20, and the separating part 30 are supplied to the grinding classification part 100.

The hopper 110 of the pulverization classification unit 100 selectively supplies CRTP or CRTF to the first crusher 120 according to the instruction of the controller. In the first grinder 120, the degree of grinding may be adjusted according to the material to be processed.

It is determined whether the processing target material pulverized in the first crusher 120 is processed within the range of the first reference particle size while passing through the first particle size determiner 130. The material to be processed that satisfies the first standard particle size is transferred to the concrete block producing unit 42 or the lead smelting unit 46.

On the other hand, the CRTP of the material to be processed is conveyed to the second mill 140 for finer processing is made.

It is determined whether the processing target material pulverized in the second grinder 140 is processed within the range of the second reference particle size while passing through the second particle size determiner 150. Processed material that satisfies the second standard particle size is transferred to the clay block production unit (44).

The remaining processing target material introduced into the dust treatment unit 160 from the second particle size determiner 150 is collected through the cyclone 161 and the bag filter 170. Residual material to be removed dust is finally supplied to the clay block production unit 44 through the third CRTP pulverized material supply pipe 164.

Although the preferred embodiments of the present invention have been described, the present invention is not limited to the specific embodiments described above. It will be apparent to those skilled in the art that numerous modifications and variations can be made in the present invention without departing from the spirit or scope of the appended claims. And equivalents should also be considered to be within the scope of the present invention.

10: waste CRT material generator
20: collection unit
30: separator
40: recycling unit
42: concrete block production department
44: clay block production department
46: lead smelting
100: grinding classifier
110: Hopper
120: first grinder
130: first particle size determiner
131: 1st CRTP grinding material supply pipe
132: 1st CRTF crushed material supply pipe
133: first return pipe
140: second mill
150: second particle size determiner
151: second CRTP crushed material supply pipe
153: second return pipe
160: dust treatment unit
161: cyclone
162: bag filter
163: vacuum pump
164: 3rd CRTP grinding material supply pipe

Claims (7)

(a) separating the waste CRT CRT into a plurality of material to be processed (Cathode Ray Tube Panel) and CRTF (Cathode Ray Tube Funnel);
(b) selectively supplying the plurality of processing target materials separated in the step (a) to a grinding furnace;
(c) first crushing the processing target material supplied to the grinding furnace;
(d) determining whether the particle size of the material to be first crushed in step (c) falls within a preset first reference particle size range;
(e) secondary shredding of the CRTP in the processing target material corresponding to the first reference particle size range;
(f) determining whether the particle size of the CRTP secondary crushed in step (e) corresponds to a preset second reference granularity range;
(g) supplying the CRTP satisfying the second reference granularity range to a clay block production unit; And
(h) the step of (f) the residual processing target material flowing into the dust treatment unit during the second reference particle size determination process is supplied to the clay block production unit after the dust is removed through a cyclone and a bag filter;
≪ / RTI >
Waste CRT Glass Recycling System.
delete The method of claim 1,
The waste CRT glass recycling system,
After step (d) or step (f),
(g) applying the shredded material to be processed in a block manufacturing process;
Waste CRT Glass Recycling System.
delete The method of claim 1,
The first reference particle size range is 0.5mm or more and 10mm or less in the case of the CRTP, 20mm or less in the case of the CRTF,
Waste CRT Glass Recycling System.
The method of claim 5, wherein
The second reference particle size range is characterized in that less than 0.5mm in the case of the CRTP,
Waste CRT Glass Recycling System.
The method according to claim 6,
The CRTP is used for the production of concrete blocks when the first reference particle size range is satisfied, and is used for the production of clay blocks when the second reference particle size range is satisfied.
Waste CRT Glass Recycling System.

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