CN109865734A - A method of vitreum is produced using chemical industry abraum salt - Google Patents
A method of vitreum is produced using chemical industry abraum salt Download PDFInfo
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- CN109865734A CN109865734A CN201910189877.2A CN201910189877A CN109865734A CN 109865734 A CN109865734 A CN 109865734A CN 201910189877 A CN201910189877 A CN 201910189877A CN 109865734 A CN109865734 A CN 109865734A
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- vitreum
- abraum salt
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- industry abraum
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Abstract
The invention discloses a kind of methods using chemical industry abraum salt production vitreum, belong to hazardous waste resource treatment technique field, to solve the problems, such as that existing salt slag softening and organic impurities remove not clean after traditional handicraft is handled.A method of vitreum being produced using chemical industry abraum salt, chemical industry abraum salt is incorporated granite and other auxiliary materials after ingredient, mixing, smelting furnace are melted, obtains vitreum slag solution, vitreum slag melt is discharged from furnace bottom, obtains vitreum after natural cooling cools down.The present invention produces vitreum using granite as auxiliary material processing chemical industry abraum salt, provides a kind of new method and new technology for chemical industry abraum salt resource utilization, perfect existing abraum salt treatment process.
Description
Technical field
The invention belongs to hazardous waste resource treatment technique fields, and in particular to a kind of to produce glass using chemical industry abraum salt
The method of body.
Background technique
Chemical industry abraum salt is containing one or more inorganic salts such as sodium chloride, sodium nitrate, calcium chloride, magnesium chloride, vulcanized sodium
Solid dangerous waste；Entrainment of large amount of organic in general chemical industry abraum salt, strong pungent smell is made it have, wherein may be used also
Other harmful substances can be carried secretly.Because chemical industry abraum salt complicated component, toxic are big, disposition difficulty is big, is put into 2016 editions " country's danger
Dangerous waste register ".
Foreign Chemical Engineering waste salt dregs directly carry out ocean dumping after mostly using harmless treatment greatly, keep salt Regression of Resources natural.
But the processing mode of ocean dumping has limitation, one is Chan Yan enterprise must border on the sea or not far from seashore, the second is by-product
Without harmful inorganic impurity in salt slag.
The processing mode of domestic chemical industry abraum salt generally then produces for landfill stabilization or by desalinization of soil by flooding or leaching method and incineration method industrial
Salt.Chemical industry abraum salt waste residue be treated as chemical industry development in urgent need to resolve the problem of, to a variety of chemical industry abraum salts it is innoxious,
Recycling treatment research is particularly important.Domestic and foreign scholars disclose various different works based on the technique that abraum salt high temperature method is handled
The method that skill handles abraum salt, but existing salt slag softening and organic impurities remove not clean problem after the processing of its technical process, and
And maximally utilizing for resource is cannot achieve.
Summary of the invention
The object of the present invention is to provide a kind of methods using chemical industry abraum salt production vitreum, to solve at traditional handicraft
Existing salt slag softening and organic impurities remove not clean problem after reason.
Technical solution of the present invention is as follows: a method of vitreum is produced using chemical industry abraum salt, it is characterised in that: by chemical industry
Abraum salt is incorporated granite and other auxiliary materials after ingredient, mixing, smelting furnace are melted, and obtains vitreum slag solution, and vitreum slag is molten
Body is discharged from furnace bottom, obtains vitreum after natural cooling cools down, which is silicate double salt.
As a further improvement of the present invention, the specific steps are as follows:
(1) by granite and other auxiliary materials supplying chemical industry abraum salt, smelting furnace is molten at a temperature of temperature is 1210 ~ 1300 DEG C
1 ~ 3h is made, vitreum slag melt is obtained；
(2) high-temperature flue gas that above-mentioned steps (1) obtain is exported from furnace roof and is handled through exhaust treatment system.
As a further improvement of the present invention, it is 2 ~ 5mm that the granite in the step (1), which is crushed to granularity,.
As a further improvement of the present invention, the mass ratio of abraum salt and granite is 1:1 ~ 5:1.
As a further improvement of the present invention, other auxiliary materials are solvent, dosage account for granite and abraum salt gross mass 1% ~
5%。
As a further improvement of the present invention, the solvent is one of fluorite or saltcake.
As a further improvement of the present invention, the solvent is the mixture that clarifying agent is fluorite and lime stone, fluorite and
The ratio of lime stone is 2:1.
As a further improvement of the present invention, the chemical industry abraum salt is waste salt dregs, and preparation process is that abraum salt sample is added to melt
In furnace, dry 1-3h under the conditions of temperature is 100-110 DEG C of temperature, and heat 1-3h at a temperature of 600-800 DEG C and remove absolutely
Most of organic matter obtains the waste salt dregs containing a small amount of organic matter.
The invention has the following advantages that
(1) vitreum is produced using granite as auxiliary material processing chemical industry abraum salt, provides one for chemical industry abraum salt resource utilization
Kind of new method and new technology, perfect existing abraum salt treatment process.
(2) abraum salt is first dried in smelting furnace, and heating removes most organic at high temperature, obtains waste salt dregs,
Wherein contain seldom moisture and organic matter, then after high-temperature process, can more thoroughly remove toxic and harmful gas, abraum salt and
Granite and other auxiliary materials generate vitreum, avoid the problem of salt slag softens after handling.
(3) it joined solvent in vitreum production process, while promoting to exclude impurity in vitreum, reduce melted institute
The temperature needed, has saved production cost.
(4) fluorite not only can be used as fluxing agent but also can be used as clarifying agent in solvent, it is contemplated that contain in granite
A certain amount of lime stone (fluxing agent), therefore reduce the dosage of lime stone.
Detailed description of the invention
Fig. 1 is process flow chart of the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that the described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based on this
Embodiment in invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
The raw materials used abraum salt for Jiangsu Province chemical industrial park output,
Embodiment 1
Abraum salt pre-treatment step is as follows: first by a certain amount of abraum salt sample (including following mass percent component: moisture 10%, it is organic
Object 10%, NaCl 80%) it is added in smelting furnace, dry 1h under the conditions of temperature is 105 DEG C, and heat 1h at a temperature of 600 DEG C and remove
Most organic is gone, the waste salt dregs (moisture 0.77%, organic matter 0.59%, NaCl 98.64%) containing a small amount of organic matter are obtained,
Output high-temperature flue gas.
By a certain amount of granite (including following mass percent component: SiO2 61.52%, Al2O3 14.86%, Fe2O3
3.47%, CaO 3.4%, K2O 3.36%, NaO 3.04%, MgO 1.17%, other components 9.18%) be crushed to granularity be 3mm after,
It is mixed well with waste salt dregs and fluorite, the mass ratio of waste salt dregs and granite is 1:1, and the additional amount of fluorite accounts for granite and abraum salt
The 2% of gross mass.Material after mixing is added in smelting furnace, increases melting furnace temperature to 1300 DEG C, 1300 DEG C at a temperature of it is molten
1h processed, the vitreum slag melt melted, and output high-temperature flue gas.The vitreum slag melt of melting is discharged from furnace bottom, warp
Vitreum is obtained after natural cooling cooling, which is silicate double salt；Obtained high-temperature flue gas is led from furnace roof
Out, it is handled through exhaust treatment system, is discharged after reaching national requirements for environmental protection；Producing obtained vitreum can make by processing
At the glassware of multiple use, can be sold after packaging.
Embodiment 2
Abraum salt pre-treatment step is as follows: first by a certain amount of abraum salt sample (including following mass percent component: moisture 10%, it is organic
Object 10%, NaCl 80%) it is added in smelting furnace, dry 3h under the conditions of temperature is 100 DEG C, and heat 3h at a temperature of 600 DEG C and remove
Most organic is gone, the waste salt dregs (moisture 0.77%, organic matter 0.59%, NaCl 98.64%) containing a small amount of organic matter are obtained,
Output high-temperature flue gas.
By a certain amount of granite (including following mass percent component: SiO2 67.94%, Al2O3 17.35%, Fe2O3
0.07%, CaO 0.14%, K2O 2.51%, NaO 6.15%, MnO 0.14%, FeO 0.20%, other components 5.5%) it is crushed to grain
After degree is 5mm, mixed well with waste salt dregs, lime stone and fluorite, the mass ratio of waste salt dregs and granite is 3:1, lime stone and
The additional amount of fluorite accounts for the 1% of granite and abraum salt gross mass, and the ratio of fluorite and lime stone is 2:1.Material after mixing is added
In smelting furnace, increase melting furnace temperature to 1210 DEG C, 1210 DEG C at a temperature of 3h is melted, the vitreum slag melted is molten
Body, and output high-temperature flue gas.The vitreum slag melt of melting is discharged from furnace bottom, obtains vitreum after natural cooling cools down,
The vitreum main component is silicate double salt；Obtained high-temperature flue gas is exported from furnace roof, is handled through exhaust treatment system,
It is discharged after reaching national requirements for environmental protection；Producing obtained vitreum can be made into the glassware of multiple use, packaging by processing
After can be sold.
Embodiment 3
Abraum salt pre-treatment step is as follows: first by a certain amount of abraum salt sample (including following mass percent component: moisture 10%, it is organic
Object 10%, NaCl 80%) it is added in smelting furnace, dry 2h under the conditions of temperature is 110 DEG C, and heat 1h at a temperature of 800 DEG C and remove
Most organic is gone, the waste salt dregs (moisture 0.77%, organic matter 0.59%, NaCl 98.64%) containing a small amount of organic matter are obtained,
Output high-temperature flue gas.
By a certain amount of granite (including following mass percent component: SiO2 66.85%, Al2O3 7.16%, Fe2O3
0.65%, CaO 4.21%, K2O 2.23%, NaO 16.73%, MgO 0.39%, other components 1.78%) granularity is crushed to as 5mm
Afterwards, mixed well with waste salt dregs and saltcake, the mass ratio of waste salt dregs and granite is 5:1, the additional amount of saltcake account for granite and
The 5% of abraum salt gross mass.Material after mixing is added in smelting furnace, increases melting furnace temperature to 1250 DEG C, in 1250 DEG C of temperature
2h, the vitreum slag melt melted, and output high-temperature flue gas are melted down.The vitreum slag melt of melting is arranged from furnace bottom
Out, vitreum is obtained after natural cooling cools down, which is silicate double salt；Obtained high-temperature flue gas is from furnace
Top export, is handled through exhaust treatment system, is discharged after reaching national requirements for environmental protection；Obtained vitreum is produced by processing
It can be made into the glassware of multiple use, can be sold after packaging.
" effect assessment "
Measure embodiment 1, the Mohs' hardness of 3 gained vitreum of embodiment 2 and embodiment and be placed in water impregnate 72h after glass
The solid content dry weight of body and the weight percent of initial weight.Referring specifically to table 1, it can be seen that three implementations of the present invention
The vitreum hardness that example obtains is higher, and phenomenon will not be melted by being placed in water after impregnating 72h.
Table 1
| Hardness | Weight percent | |
| Embodiment 1 | 6.5 | 97.9% |
| Embodiment 2 | 6.7 | 98.3% |
| Embodiment 3 | 6.6 | 98.6% |
Claims (8)
1. a kind of method using chemical industry abraum salt production vitreum, it is characterised in that: chemical industry abraum salt is incorporated granite and other
Auxiliary material obtains vitreum slag solution, vitreum slag melt is discharged from furnace bottom, through nature after ingredient, mixing, smelting furnace are melted
Vitreum is obtained after cooling.
2. a kind of method using chemical industry abraum salt production vitreum according to claim 1, which is characterized in that specific steps
It is as follows:
By in granite and other auxiliary materials supplying chemical industry abraum salt, smelting furnace is melted at a temperature of temperature is 1210-1300 DEG C
1-3h obtains vitreum slag melt；
The high-temperature flue gas that above-mentioned steps (1) obtain is exported from furnace roof and is handled through exhaust treatment system.
3. a kind of method using chemical industry abraum salt production vitreum according to claim 2, it is characterised in that: the step
(1) it is 2-5mm that the granite in, which is crushed to granularity,.
4. a kind of method using chemical industry abraum salt production vitreum according to claim 3, it is characterised in that: abraum salt and flower
The mass ratio of Gang Yan is 1:1-5:1.
5. a kind of method using chemical industry abraum salt production vitreum according to claim 4, it is characterised in that: other auxiliary materials
For solvent, dosage accounts for the 1%-5% of granite and abraum salt gross mass.
6. a kind of method using chemical industry abraum salt production vitreum according to claim 5, it is characterised in that: the solvent
For one of fluorite or saltcake.
7. a kind of method using chemical industry abraum salt production vitreum according to claim 5, it is characterised in that: the solvent
It is the mixture of fluorite and lime stone for clarifying agent, the ratio of fluorite and lime stone is 2:1.
8. a kind of method using chemical industry abraum salt production vitreum according to claim 6 or 7, it is characterised in that: described
Chemical industry abraum salt is waste salt dregs, and preparation process is that abraum salt sample is added in smelting furnace, dry under the conditions of temperature is 100-110 DEG C of temperature
Dry 1-3h, and heat 1-3h at a temperature of 600-800 DEG C and remove most organic, obtain the abraum salt containing a small amount of organic matter
Slag.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111085529A (en) * | 2019-12-31 | 2020-05-01 | 清大国华环境集团股份有限公司 | Industrial waste salt vitrification method |
| CN113294790A (en) * | 2021-05-28 | 2021-08-24 | 浙江工商大学 | Hazardous waste vitrification regulation and control system and method |
| CN113387570A (en) * | 2021-06-30 | 2021-09-14 | 新中天环保工程(重庆)有限公司 | Method for preparing molten glass body by using byproduct dry salt |
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Application publication date: 20190611 |
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