CN105731849A - Environment-friendly regenerated glass sand preparation method and environment-friendly regenerated glass sand - Google Patents
Environment-friendly regenerated glass sand preparation method and environment-friendly regenerated glass sand Download PDFInfo
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- CN105731849A CN105731849A CN201610038465.5A CN201610038465A CN105731849A CN 105731849 A CN105731849 A CN 105731849A CN 201610038465 A CN201610038465 A CN 201610038465A CN 105731849 A CN105731849 A CN 105731849A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/02—Agglomerated materials, e.g. artificial aggregates
- C04B18/023—Fired or melted materials
- C04B18/026—Melted materials
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- Chemical & Material Sciences (AREA)
- Civil Engineering (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
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Abstract
The invention discloses an environment-friendly regenerated glass sand preparation method. The environment-friendly regenerated glass sand preparation method is characterized in that heavy metal sludge, waste incineration fly ash, hazardous waste incineration fly ash and furnace slag are dried to remove moisture, and are uniformly mixed in certain proportion to obtain a mixture; the mixture is fed into a high-temperature smelting furnace, the mixture is deformed, fused and molten in the high-temperature smelting furnace, flows out of the high-temperature smelting furnace and drops into water with a temperature being lower than 50 DEG C; and broken slag is quenched to obtain the environment-friendly regenerated glass sand. In the mixture, silicon oxide is greater than 25%, aluminum oxide is greater than 5%, and basic metal is greater than 25%; the temperature in the high-temperature smelting furnace is 1450-1600 DEG C; and the fusing time, in the high-temperature smelting furnace, of the mixture is 5-30 minutes. The environment-friendly regenerated glass sand preparation method is simple in preparation process; and the prepared environment-friendly regenerated glass sand has physical and chemical properties which completely meet the material standards (Q31/0112000362C001-2015) of municipal roads and the building industry, can replace the ore powder of the municipal roads, can be used for making bricks, and can replace glass powder and the like in the thermal-insulation materials of building walls.
Description
Technical field
The present invention relates to the use of heavy metal sewage sludge (electroplating sludge etc.), consumer waste incineration produce flying dust,
The hazardous waste of the flying dust of dangerous waste incineration generation, slag etc. prepares the side of environment-friendly type regeneration glass sand
Method and environment-friendly type regeneration glass sand.
Background technology
Flying dust, dangerous waste incineration that heavy metal sewage sludge (electroplating sludge etc.), consumer waste incineration produce produce
Flying dust, the product that formed after carrying out ultimate harmless treatment of the hazardous waste of slag etc., its physics and chemistry
Comply fully with town road and building trade material standard, can replace town road breeze, can brickmaking,
The glass dust etc. in construction wall insulation material can be replaced.
Summary of the invention
One of the technical problem to be solved is to utilize heavy metal sewage sludge (electroplating sludge etc.), life
The hazardous waste system of the flying dust of waste incineration generation alive, the flying dust of dangerous waste incineration generation, slag etc.
The method of standby environment-friendly type regeneration glass sand.
The environment-friendly type that the two of the technical problem to be solved are to provide a kind of said method to prepare is again
Raw glass sand.
The technical problem to be solved can be achieved through the following technical solutions:
Environment-friendly type regeneration glass sand preparation method, it is characterised in that heavy metal sewage sludge, waste incineration are flown
After ash, dangerous waste incineration flying dust, slag are dried moisture removal, add adjuvant mixture by a certain percentage
Obtain a mixed ingredients after Jun Yun, described mixed ingredients sent in high-temperature smelting pot, mixed ingredients in high-temperature smelting pot,
Through deformation, melted, the process of melt flow, flow out from high-temperature smelting pot, fall in 50 DEG C of water of water temperature ＜,
Chilling disintegrating slag and obtain environment-friendly type regeneration glass sand, the silicon oxide ＞ 25% in described mixed ingredients, three oxidation two
Aluminum ＞ 5%, basic anhydride ＞ 25%；Temperature in described high-temperature smelting pot is 1400 DEG C～1650 DEG C, described
Mixed ingredients melting time in high-temperature smelting pot is 5min～30min.
In a preferred embodiment of the invention, the silicon oxide 25%～60% in described mixed ingredients, three oxygen
Change two aluminum 5%～20%, basic anhydride 25%～50%.
A kind of environment-friendly type regeneration glass sand, is prepared from by said method.
In a preferred embodiment of the invention, the particle diameter of described environment-friendly type regeneration glass sand is divided into 50
μm～80 μm.
The present invention utilizes flying dust, the danger that heavy metal sewage sludge (electroplating sludge etc.), consumer waste incineration produce
The hazardous waste of the flying dust of incineration of waste generation, slag etc. prepares environment-friendly type regeneration glass sand, has system
Standby process is simple, and its physics and chemistry of environment-friendly type regeneration glass sand of preparation complies fully with town road and building row
Industry with material standard (Q31/0112000362C001-2015), can replace town road breeze, can brickmaking,
The glass dust etc. in construction wall insulation material can be replaced.
Detailed description of the invention
Embodiment 1
Environment-friendly type regeneration glass sand preparation method, it is by heavy metal sewage sludge, domestic garbage incineration flyash, danger
Danger refuse incinerating flyash, slag are dried after crushing, and obtain one after interpolation adjuvant mixture is uniform by a certain percentage
Mixed ingredients, sends into described mixed ingredients in high-temperature smelting pot, mixed ingredients in high-temperature smelting pot, through deformation,
Melted, the process of melt flow, flows out from high-temperature smelting pot, falls in 40 DEG C of water of water temperature ＜, chilling disintegrating slag and
Obtaining environment-friendly type regeneration glass sand, the silica content in mixed ingredients is 45.4%, and aluminium sesquioxide content is
13.8%, basic anhydride (31%CaO+0.47%Fe2O3+ 0.42%MgO+0.37%K2O+1.5%Na2O) contain
Amount is 33.76%；Temperature in high-temperature smelting pot is 1450 DEG C～1600 DEG C, and described mixed ingredients is at high-temperature smelting pot
The middle melting time is 5min～30min..The environment-friendly type regeneration glass sand of this embodiment is shown in Tables 1 and 2
Table 1 physical and chemical index
| Project | Technology requirement |
| Apparent density, g/cm3 | ≥2.5 |
| Water content, % | ≤1.0 |
| Loss on ignition, % | ≤3.0 |
| Outward appearance | Graininess, lumps without granule |
| Add thermostability | T03-55 is basically unchanged color |
Table 2 leachate heavy metal index
| Project | Quality (mg/L) |
| Copper | 0.009 |
| Nickel | ND |
| Chromium | ND |
| Zinc | ND |
| Lead | ND |
Embodiment 2
Environment-friendly type regeneration glass sand preparation method, it is by heavy metal sewage sludge, domestic garbage incineration flyash, danger
Danger refuse incinerating flyash, slag are dried after crushing, and obtain one after interpolation adjuvant mixture is uniform by a certain percentage
Mixed ingredients, sends into described mixed ingredients in high-temperature smelting pot, mixed ingredients in high-temperature smelting pot, through deformation,
Melted, the process of melt flow, flows out from high-temperature smelting pot, falls in 38 DEG C of water of water temperature ＜, chilling disintegrating slag and
Obtaining environment-friendly type regeneration glass sand, the silica content in mixed ingredients is 38.2%, and aluminium sesquioxide content is
11.9%, basic anhydride (37.1%CaO+1.8%Fe2O3+ 0.72%MgO+0.13%K2O+0.4%Na2O) contain
Amount is 40.15%；Temperature in high-temperature smelting pot is 1450 DEG C～1600 DEG C, and described mixed ingredients is at high-temperature smelting pot
The middle melting time is 5min～30min.The environment-friendly type regeneration glass sand of this embodiment is shown in Table 3 and table 4
Table 3 physical and chemical index
| Project | Technology requirement |
| Apparent density, g/cm3 | ≥2.5 |
| Water content, % | ≤1.0 |
| Loss on ignition, % | ≤3.0 |
| Outward appearance | Graininess, lumps without granule |
| Add thermostability | T03-55 is basically unchanged color |
Table 4 leachate heavy metal index
| Project | Quality (mg/L) |
| Copper | 0.007 |
| Nickel | ND |
| Chromium | ND |
| Zinc | 0.012 |
| Lead | ND |
Embodiment 3
Environment-friendly type regeneration glass sand preparation method, it is by heavy metal sewage sludge, domestic garbage incineration flyash, danger
Danger refuse incinerating flyash, slag are dried after crushing, and obtain one after interpolation adjuvant mixture is uniform by a certain percentage
Mixed ingredients, sends into described mixed ingredients in high-temperature smelting pot, mixed ingredients in high-temperature smelting pot, through deformation,
Melted, the process of melt flow, flows out from high-temperature smelting pot, falls in 45 DEG C of water of water temperature ＜, chilling disintegrating slag and
Obtaining environment-friendly type regeneration glass sand, the silica content in mixed ingredients is 48.1%, and aluminium sesquioxide content is
7.5%, basic anhydride (19.7%CaO+10.8%Fe2O3+ 1.2%MgO+0.52%K2O+3.7%Na2O) contain
Amount is 35.92%；Temperature in high-temperature smelting pot is 1450 DEG C～1600 DEG C, and described mixed ingredients is at high-temperature smelting pot
The middle melting time is 5min～30min.The environment-friendly type regeneration glass sand of this embodiment is shown in Table 5 and table 6
Table 5 physical and chemical index
| Project | Technology requirement |
| Apparent density, g/cm3 | ≥2.5 |
| Water content, % | ≤1.0 |
| Loss on ignition, % | ≤3.0 |
| Outward appearance | Graininess, lumps without granule |
| Add thermostability | T03-55 is basically unchanged color |
Table 6 leachate heavy metal index
| Project | Quality (mg/L) |
| Copper | 0.082 |
| Nickel | 0.019 |
| Chromium | ND |
| Zinc | 0.005 |
| Lead | ND |
Claims (4)
1. environment-friendly type regeneration glass sand preparation method, it is characterised in that by heavy metal sewage sludge, house refuse
Flying ash, dangerous waste incineration flying dust, slag are dried after crushing, and add adjuvant mixture by a certain percentage
Obtain a mixed ingredients after Jun Yun, described mixed ingredients sent in high-temperature smelting pot, mixed ingredients in high-temperature smelting pot,
Through deformation, melted, the process of melt flow, flow out from high-temperature smelting pot, fall in 50 DEG C of water of water temperature ＜,
Chilling disintegrating slag and obtain environment-friendly type regeneration glass sand, the silicon oxide ＞ 25% in described mixed ingredients, three oxidation two
Aluminum ＞ 5%, basic anhydride ＞ 25%；Temperature in described high-temperature smelting pot is 1450 DEG C～1600 DEG C, described
Mixed ingredients melting time in high-temperature smelting pot is 5min～30min.
2. environment-friendly type regeneration glass sand preparation method as claimed in claim 1, it is characterised in that described
Silicon oxide 25%～60% in mixed ingredients, aluminium sesquioxide 5%～20%, alkalinous metal 25%～50%.
3. an environment-friendly type regeneration glass sand, it is characterised in that by the environmental protection described in claim 1 or 2
Type repeat glass sand preparation method is prepared from.
4. environment-friendly type regeneration glass sand as claimed in claim 3, it is characterised in that described environment-friendly type is again
The particle diameter of raw glass sand is divided in 50 μm～80 μm.
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| CN201610038465.5A CN105731849B (en) | 2016-01-20 | 2016-01-20 | Environment-friendly type regeneration glass sand preparation method and environment-friendly type regeneration glass sand |
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| CN105731849A true CN105731849A (en) | 2016-07-06 |
| CN105731849B CN105731849B (en) | 2018-02-13 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108275917A (en) * | 2017-01-06 | 2018-07-13 | 上海同济建设工程质量检测站 | Asphalt containing environment-friendly type regeneration glass sand |
| CN108640584A (en) * | 2018-06-26 | 2018-10-12 | 北京首华科技发展有限公司 | A kind of flying ash melten glass slag decorative block and preparation method thereof |
| CN116375452A (en) * | 2023-03-30 | 2023-07-04 | 中国科学院城市环境研究所 | Sludge incineration ash and waste incineration fly ash synergetic detoxification and resource utilization method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101885584A (en) * | 2010-07-20 | 2010-11-17 | 刘阳生 | Method for treating waste incineration fly ash by electric melting |
| CN101913756A (en) * | 2010-07-21 | 2010-12-15 | 刘阳生 | Glass-state waste residue resource utilization method |
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2016
- 2016-01-20 CN CN201610038465.5A patent/CN105731849B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101885584A (en) * | 2010-07-20 | 2010-11-17 | 刘阳生 | Method for treating waste incineration fly ash by electric melting |
| CN101913756A (en) * | 2010-07-21 | 2010-12-15 | 刘阳生 | Glass-state waste residue resource utilization method |
Non-Patent Citations (1)
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| 高胜斌等: "垃圾焚烧飞灰旋流熔融炉及玻璃化利用", 《发电设备》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108275917A (en) * | 2017-01-06 | 2018-07-13 | 上海同济建设工程质量检测站 | Asphalt containing environment-friendly type regeneration glass sand |
| CN108275917B (en) * | 2017-01-06 | 2021-03-30 | 上海同济建设工程质量检测站 | Asphalt mixture containing environment-friendly recycled glass sand |
| CN108640584A (en) * | 2018-06-26 | 2018-10-12 | 北京首华科技发展有限公司 | A kind of flying ash melten glass slag decorative block and preparation method thereof |
| CN116375452A (en) * | 2023-03-30 | 2023-07-04 | 中国科学院城市环境研究所 | Sludge incineration ash and waste incineration fly ash synergetic detoxification and resource utilization method |
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| CN105731849B (en) | 2018-02-13 |
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