CN105130287A - Method for manufacturing X ray shielding mortar using waste CRT screen glass - Google Patents
Method for manufacturing X ray shielding mortar using waste CRT screen glass Download PDFInfo
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- CN105130287A CN105130287A CN201510391609.0A CN201510391609A CN105130287A CN 105130287 A CN105130287 A CN 105130287A CN 201510391609 A CN201510391609 A CN 201510391609A CN 105130287 A CN105130287 A CN 105130287A
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Abstract
A method for manufacturing X ray shielding mortar using waste CRT screen glass comprises: separating a waste CRT conical screen, obtaining screen glass free of lead, smashing the glass and obtaining screen glass sand, mixing water and glue powder in a mortar stirring machine to get a glue powder solution, mixing the screen glass sand, cement and cellulose to make a mixture, adding the mixture in the glue powder solution in the mortar stirring machine, and the x ray shielding cement mortar being prepared. The X ray shielding mortar in the invention has good blending properties and uniformity, and is not easy to separate or segregate; the X ray shielding mortar has superior X ray shielding ability to the ordinary barium sulfate sand cement mortar, and can be used as coating mortar for indoor wall surfaces, ceilings, columns, floors. The preparation method for mortar has advantages of strong adaptability, safety and lead avoidance, environment-friendliness, and economy, and can be widely used in places required for X ray shielding as hospitals, research institutes, nuclear industry places etc.
Description
Technical field
The present invention relates to utilization of the recycling of renewable resources and building materials field, be specifically related to a kind of method utilizing useless cathode tube panel glass to make X-ray protection mortar.
Background technology
Cathode tube (CRT) be suitability for industrialized production the earliest, most widely used technique of display, possess skills maturation, reliability is high, the advantages such as long service life, before the nineties in 20th century is replaced by plate of flat liquid crystal display (LCD) gradually, it is televisor always, the principal display device of the electronics such as graphoscope and oscilloscope. according to conservative estimation, 2008 the whole nation CRT electronic glass quality about 6,000,000 t, total lead tolerance about 500,000 t. is according to Department of Commerce's household electrical appliances old for new service statistic data, 2011, waste household appliances about 6129.2 ten thousand is reclaimed in whole nation household electrical appliances old for new service, waste and old televisor 5149.7 ten thousand, the wherein important component part of 82% to be CRT monitor televisor .CRT glass bulb be indicating meter, account for total mass 60%. for colorCRT CRT glass primarily of panel glass and cone glass composition.Wherein panel glass accounts for 2/3, is the main component of CRT monitor cathode-ray tube glass.
According to " discarded electric appliance and electronic product treatment enterprise qualification examination and approval guide " (Environmental Protection Department announces 2010 No. 90) regulation, during cathode-ray tube CRT monitor, cone, panel glass should be separated, cone glass should, as Hazardous wastes process, be avoided solving with land-fill method as far as possible; CRT panel glass, as general industrial solid waste, can provide or entrust to CRT glass bulb manufacturing enterprise to utilize, enter household refuse landfill sites landfill, or utilize disposal in the mode of other harmless to environment.CRT panel glass can recycle as general industrial solid waste, but due to current utilization ways limited, and it is low to fill up expense as general industrial solid waste, and electron wastes is disassembled enterprise and generally adopted landfill method process.And owing to containing heavy metal strontium and barium in panel glass, and being not suitable for use in domestic glass, the research core application at present for the resource utilization of CRT panel glass is little, has people CRT panel glass to be used for make multicellular glass and is used for building materials, but does not make full use of its value.
Generally adopt now the natural barium sand of barium sulfate-containing 80% as X-ray protection mortar on the market, but the mix of mortar, lack of homogeneity, easily produce segregation and segregation.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the object of the present invention is to provide a kind of method utilizing useless cathode tube panel glass to make X-ray protection mortar, make the requirement of X-ray protection plastering mortar that X-ray protection mortar can meet the construction walls such as hospital, scientific research institutions, nuclear industry, top ceiling, the mix of mortar, good uniformity.
To achieve these goals, the technical solution used in the present invention is:
Utilize useless cathode tube panel glass to make a method for X-ray protection mortar, comprise the following steps:
Step one, the separation of useless cathode ray tube cone screen is obtained lead-free panel glass, and fragmentation obtains the panel glass sand of below 1cm;
Step 2, by water and rubber powder, mix and blend in mortar mixer obtains rubber powder solution;
Step 3, the panel glass sand, cement and the Mierocrystalline cellulose that step one are obtained are mixed to get mixture;
Step 4, mixture step 3 obtained adds in the rubber powder solution obtained in step 2 mortar mixer to stir and namely obtains X-ray protection sand-cement slurry;
Described panel glass sand: cement: water: rubber powder: cellulosic part by weight is 4-8:1.5-3:1:0-0.05:0-0.01.
Jaw crusher or roll crusher is adopted to carry out fragmentation in described step one.
The X-ray protection sand-cement slurry that method of the present invention is obtained, the mix of mortar, good uniformity, not easily produce segregation and segregation, and its X-ray protection ability is better than common barium sulfate sand cement mortar, is 1.5-2 times of common barium sulfate sand.Can be used for the plastering mortar on indoor four sides body of wall, top ceiling, beam column, floor.Present method strong adaptability, unleaded safety, environmental protection and economy, can be widely used in as hospital, scientific research institutions, nuclear industry etc. need the place of X-ray protection.
Embodiment
Below in conjunction with embodiment, the present invention is elaborated.
Embodiment 1
Utilize useless cathode tube panel glass to make a method for X-ray protection mortar, comprise the following steps:
Step one, obtains lead-free panel glass by the separation of useless cathode ray tube cone screen, adopts jaw crushing crusher machine to obtain the panel glass sand of below 1cm;
Step 2, by water and rubber powder, mix and blend in mortar mixer obtains rubber powder solution;
Step 3, the panel glass sand, cement and the Mierocrystalline cellulose that step one are obtained are mixed to get mixture;
Step 4, mixture step 3 obtained adds in the rubber powder solution obtained in step 2 mortar mixer to stir and namely obtains X-ray protection sand-cement slurry;
Described panel glass sand: cement: water: rubber powder: cellulosic part by weight is 6:2:1:0.025:0.005.
The beneficial effect of the present embodiment: will X-ray protection sand-cement slurry be obtained be placed in the mould of 30*30*3cm3, the glass sand lumps of compression moulding is placed in humidity and is greater than 90%, temperature is maintenance 7 days under the condition of 20-35 degree, transferred to maintenance 28 days obtained glass sand sample blocks under the room temperature condition of air seasoning again, detect its X-ray shielding property, its air ratio release kinetic energy is 4.51 after tested, is better than market common barium sulfate mortar Quality control.Other performances such as cohesiveness, bleeding meet the requirement of common plastering mortar.
Embodiment 2
Utilize useless cathode tube panel glass to make a method for X-ray protection mortar, comprise the following steps:
Step one, obtains lead-free panel glass by the separation of useless cathode ray tube cone screen, adopts cylinder crushing crusher machine to obtain the panel glass sand of below 1cm;
Step 2, by water and rubber powder, mix and blend in mortar mixer obtains rubber powder solution;
Step 3, the panel glass sand, cement and the Mierocrystalline cellulose that step one are obtained are mixed to get mixture;
Step 4, mixture step 3 obtained adds in the rubber powder solution obtained in step 2 mortar mixer to stir and namely obtains X-ray protection sand-cement slurry;
Described panel glass sand: cement: water: rubber powder: cellulosic part by weight is 7:3:1:0.03:0.003.
The beneficial effect of the present embodiment:
To X-ray protection sand-cement slurry be obtained be placed in the mould of 30*30*3cm3, the glass sand lumps of compression moulding is placed in humidity and is greater than 90%, temperature is maintenance 7 days under the condition of 20-35 degree, transferred to maintenance 28 days obtained glass sand sample blocks under the room temperature condition of air seasoning again, detect its X-ray shielding property, its air ratio release kinetic energy is 4.32 after tested, is better than market common barium sulfate mortar Quality control.Other performances such as cohesiveness, bleeding also meet the requirement of common plastering mortar.
Embodiment 3
Utilize useless cathode tube panel glass to make a method for X-ray protection mortar, comprise the following steps:
Step one, obtains lead-free panel glass by the separation of useless cathode ray tube cone screen, adopts jaw crushing crusher machine to obtain the panel glass sand of below 1cm;
Step 2, by water and rubber powder, mix and blend in mortar mixer obtains rubber powder solution;
Step 3, the panel glass sand, cement and the Mierocrystalline cellulose that step one are obtained are mixed to get mixture;
Step 4, mixture step 3 obtained adds in the rubber powder solution obtained in step 2 mortar mixer to stir and namely obtains X-ray protection sand-cement slurry;
Described panel glass sand: cement: water: rubber powder: cellulosic part by weight is 5:2:1:0.02:0.002.
The beneficial effect of the present embodiment: will X-ray protection sand-cement slurry be obtained be placed in the mould of 30*30*3cm3, the glass sand lumps of compression moulding is placed in humidity and is greater than 90%, temperature is maintenance 7 days under the condition of 20-35 degree, transferred to maintenance 28 days obtained glass sand sample blocks under the room temperature condition of air seasoning again, detect its X-ray shielding property, its air ratio release kinetic energy is 4.21 after tested, is better than market common barium sulfate mortar Quality control.Other performances such as cohesiveness, bleeding also meet the requirement of common plastering mortar.
Claims (3)
1. utilize useless cathode tube panel glass to make a method for X-ray protection mortar, it is characterized in that, comprise the following steps:
Step one, the separation of useless cathode ray tube cone screen is obtained lead-free panel glass, and fragmentation obtains the panel glass sand of below 1cm;
Step 2, by water and rubber powder, mix and blend in mortar mixer obtains rubber powder solution;
Step 3, the panel glass sand, cement and the Mierocrystalline cellulose that step one are obtained are mixed to get mixture;
Step 4, mixture step 3 obtained adds in the rubber powder solution obtained in step 2 mortar mixer to stir and namely obtains X-ray protection sand-cement slurry;
Described panel glass sand: cement: water: rubber powder: cellulosic part by weight is 4-8:1.5-3:1:0-0.05:0-0.01.
2. a kind of method utilizing useless cathode tube panel glass to make X-ray protection mortar according to claim 1, is characterized in that: described panel glass sand: cement: water: rubber powder: cellulosic part by weight is 6:2:1:0.025:0.005.
3. a kind of method utilizing useless cathode tube panel glass to make X-ray protection mortar according to claim 1, is characterized in that: adopt jaw crusher or roll crusher to carry out fragmentation in described step one.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510391609.0A CN105130287A (en) | 2015-07-06 | 2015-07-06 | Method for manufacturing X ray shielding mortar using waste CRT screen glass |
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| CN201510391609.0A CN105130287A (en) | 2015-07-06 | 2015-07-06 | Method for manufacturing X ray shielding mortar using waste CRT screen glass |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107661960A (en) * | 2017-11-27 | 2018-02-06 | 河南博威热能科技有限公司 | A kind of glass matrix moulding sand for casting |
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| EP0475831A1 (en) * | 1990-09-14 | 1992-03-18 | Electricite De France | Anti-radiation heavy concrete, particular for use in the manufacture of radioactive waste containers |
| CN1300078A (en) * | 2001-01-17 | 2001-06-20 | 西安联合大学 | Radon preventing mortar |
| CN103035307A (en) * | 2012-12-14 | 2013-04-10 | 盐城工学院 | X-ray and gamma-ray screening agent made of waste color kinescope glass and preparation method thereof |
| JP2013079876A (en) * | 2011-10-04 | 2013-05-02 | Shimizu Corp | Radiation shielding concrete |
| CN103373841A (en) * | 2012-04-18 | 2013-10-30 | 苏州麦奇新型材料有限公司 | Barite anti-radiation mortar |
| CN104058679A (en) * | 2014-01-22 | 2014-09-24 | 苏州大乘环保建材有限公司 | Novel cement-based nuclear-radiation-shielding dry-mixed mortar and construction method thereof |
-
2015
- 2015-07-06 CN CN201510391609.0A patent/CN105130287A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0475831A1 (en) * | 1990-09-14 | 1992-03-18 | Electricite De France | Anti-radiation heavy concrete, particular for use in the manufacture of radioactive waste containers |
| CN1300078A (en) * | 2001-01-17 | 2001-06-20 | 西安联合大学 | Radon preventing mortar |
| JP2013079876A (en) * | 2011-10-04 | 2013-05-02 | Shimizu Corp | Radiation shielding concrete |
| CN103373841A (en) * | 2012-04-18 | 2013-10-30 | 苏州麦奇新型材料有限公司 | Barite anti-radiation mortar |
| CN103035307A (en) * | 2012-12-14 | 2013-04-10 | 盐城工学院 | X-ray and gamma-ray screening agent made of waste color kinescope glass and preparation method thereof |
| CN104058679A (en) * | 2014-01-22 | 2014-09-24 | 苏州大乘环保建材有限公司 | Novel cement-based nuclear-radiation-shielding dry-mixed mortar and construction method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107661960A (en) * | 2017-11-27 | 2018-02-06 | 河南博威热能科技有限公司 | A kind of glass matrix moulding sand for casting |
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Application publication date: 20151209 |