CN106608728A - By-product industrial salt melting furnace having effect of reducing precipitation of metal ions - Google Patents
By-product industrial salt melting furnace having effect of reducing precipitation of metal ions Download PDFInfo
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- CN106608728A CN106608728A CN201510694445.9A CN201510694445A CN106608728A CN 106608728 A CN106608728 A CN 106608728A CN 201510694445 A CN201510694445 A CN 201510694445A CN 106608728 A CN106608728 A CN 106608728A
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Abstract
The invention discloses a by-product industrial salt melting furnace having an effect of reducing precipitation of metal ions. The furnace chamber main body of the by-product industrial salt melting furnace has a heating chamber and a melting chamber. The refractory bricks of the heating chamber are prepared from 20 to 25 parts by weight of mullite powder, 30 to 35 parts by weight of silicon carbide powder, 10 to 15 parts by weight of silica powder, 20 to 25 parts by weight of alumina micro-powder, 10 to 15 parts by weight of forsterite micro-powder, 5 to 10 parts by weight of vermiculite micro-powder, 15 to 25 parts by weight of quartz micro-powder, 10 to 20 parts by weight of zirconite micro-powder and 7 to 15 parts by weight of sillimanite micro-powder. The refractory brick of the melting chamber is prepared from 30 to 35 parts by weight of silicon nitride micro-powder, 20 to 25 parts by weight of silicon carbide micro-powder, 10 to 20 parts by weight of silica powder, 7 to 15 parts by weight of boron carbide micro-powder and 20 to 25 parts by weight of silica sol. The furnace can reduce metal ion precipitates produced by melting of a by-product industrial salt.
Description
Technical field
The present invention relates to by-product Nacl processing equipment technical field, more particularly to one kind reduce metal ion and sink
The by-product Nacl melting furnace in shallow lake.
Background technology
At present, by-product Nacl is because containing a small amount of Organic substance, it is difficult to is effectively addressed and utilizes, it is impossible to straight
Connect the raw material as downstream product.Fixed-end forces center can only be stored up or be delivered in most of manufacturer
Reason.At present the processing cost at fixed-end forces center is up to 3000-4000 units/t, and enterprise is difficult to bear, and main
To adopt the processing mode for taking landfill yard anti-corrosion leak-proof to fill again after processing.This processing mode is not only accounted for
With soil, while being also the significant wastage to resource, also there is the potential risk that grave danger is caused to environment,
Once anti-corrosion leak-proof layer is leaked, soluble-salt and organic impuritiess are lost from, salinization surrounding soil, danger
Vegetation around evil, while polluting to periphery water source, subsoil water and farmland.
By-product Nacl is important Elementary Chemical Industry raw material, is also extremely valuable national strategy resource.With
The high speed development of national economy, various by-product Nacl amounts are increasing in Chemical Manufacture, huge to environment structure
It is big to threaten.In recent years, people step up to resources conservation, eco-friendly understanding, and government is vertical in environmental protection
Significantly reinforcement, the process of by-product Nacl and recycling in Chemical Manufacture are there has also been in method and law enforcement dynamics
It is increasingly subject to pay attention to.
Such as Patent No. CN201310184084.4, a kind of entitled " the extraction side of inorganic salt in industrial wastewater
The utility model patent file of the resource utilization method of method and industrial wastewater ", and Patent No.
CN201310299546.7, utility model it is entitled " it is a kind of from phosphorous industrial wastewater reclaim high-purity without
The utility model patent file of the method for machine salt ", discloses the method that inorganic salt is reclaimed from industrial wastewater,
In order to Jing carburising steps are processed after obtaining high purity inorganic salt most, to remove inorganic salt in organic impuritiess.
But, the melting furnace for targetedly processing by-product Nacl not a kind of at present.Using existing revolution
Kiln, vertical incinerator, horizontal incinerator, batch-type furnace, fluidized bed furnace, grate incinerator or fluidized bed incinerator
When carrying out charing process to inorganic salt, due to inorganic salt and the high-temperature kiln wall directly contact of molten condition, can deposit
In " viscous wall " phenomenon, the normal carbonization of inorganic salt is not only affected, but also the service life of equipment can be shortened.
Importantly, because existing melting furnace adopts common refractory brick, being not suitable for very much by-product industry
The process of salt, is particularly present seriously corroded and the precipitation by metallic ion during by-product Nacl melt process
Serious problem, and the precipitation waste residue for being formed is difficult to cleaning.
The content of the invention
The deficiency serious in order to make up by-product Nacl precipitation by metallic ion, the invention provides a kind of reduce gold
Category ion precipitation by-product Nacl melting furnace, to solve the problems, such as above-mentioned background technology in.
The technical scheme is that：
A kind of by-product Nacl melting furnace for reducing precipitation by metallic ion, forms including being enclosed by multiple furnace wall bread
Furnace chamber body, the furnace chamber body has and is defined as the upper part of heating chamber and being defined as the bottom of melt chamber
Point, the furnace chamber body is provided with dog-house, and the downstream of the dog-house is provided with to by solid by-product work
Industry salt is oriented to the inclined feeding-passage inside the melt chamber, and the furnace chamber body is in the feeding-passage
Top is provided with the arch top for having same tilt angle with the feeding-passage,
The refractory brick of the heating chamber is prepared using the component of following weight portion：
20 parts～25 parts of mullite powder,
30 parts～35 parts of carborundum powder,
10 parts～15 parts of silicon dioxide powder,
20 parts～25 parts of alumina powder,
10 parts～15 parts of forsterite micropowder,
5 parts～10 parts of Vermiculitum micropowder
15 parts～25 parts of quartz micropowder,
10 parts～20 parts of zircon micropowder,
7 parts～15 parts of sillimanite micropowder；
The refractory brick of the melt chamber is prepared using the component of following weight portion：
30 parts～35 parts of silicon nitride powder,
20 parts～25 parts of silicon carbide micro-powder,
10 parts～20 parts of silicon dioxide powder,
7 parts～15 parts of boron carbide micro powder,
20 parts～25 parts of Ludox.
In the present invention, used as a kind of technical scheme of optimization, the lower sides of the melt chamber offer some
Slag-drip opening.
In the present invention, used as a kind of technical scheme of optimization, the slag-drip opening is the opening of strip.
In the present invention, used as a kind of technical scheme of optimization, the Aspect Ratio of the slag-drip opening is 3：1.
In the present invention, used as a kind of technical scheme of optimization, the refractory brick of the heating chamber adopts following weight
It is prepared by the component of part：
25 parts of mullite powder,
30 parts of carborundum powder,
15 parts of silicon dioxide powder,
20 parts of alumina powder,
13 parts of forsterite micropowder,
8 parts of Vermiculitum micropowder
25 parts of quartz micropowder,
15 parts of zircon micropowder,
10 parts of sillimanite micropowder.
In the present invention, used as a kind of technical scheme of optimization, the refractory brick of the melt chamber adopts following weight
It is prepared by the component of part：
30 parts of silicon nitride powder,
25 parts of silicon carbide micro-powder,
15 parts of silicon dioxide powder,
10 parts of boron carbide micro powder,
20 parts of Ludox.
Above-mentioned micropowder refers to that fineness of the particles is 36-54 microns.
As a result of above-mentioned technical proposal, the present invention has the advantages that：
Heating chamber of the present invention and melt chamber employ the refractory brick of unlike material, wherein, the component of heating chamber is：
20 parts～25 parts of mullite powder, 30 parts～35 parts of carborundum powder, 10 parts～15 parts of silicon dioxide powder, oxygen
20 parts～25 parts of change aluminum micropowder, 10 parts～15 parts of forsterite micropowder, 5 parts～10 parts of Vermiculitum micropowder,
15 parts～25 parts of quartz micropowder, 10 parts～20 parts of zircon micropowder, 7 parts～15 parts of sillimanite micropowder.
When refractory brick is prepared, aluminium oxide, magnesium oxide, Zirconium oxide etc. can connect above material in formation in substrate
Continuous mullite phase, and in the presence of silicon dioxide powder, sillimanite micropowder, carborundum aggregate is wrapped up into shape
Into heterogeneous material, high mechanical strength, the low coefficient of expansion, good thermal shock stability, chemerosiveness resistent are formed good
Good refractory brick, is resistant to the calcination of high-temperature fusion flame, it is ensured that the use of by-product Nacl melting furnace
In the life-span, simultaneously because the part is heating chamber, do not contact with the by-product Nacl of melting, it is good in corrosion resistance
On the basis of good, also ensure that the metal ion in refractory brick does not enter the by-product Nacl of melting, reduce
The formation of precipitation by metallic ion.Melt chamber employs 30 parts～35 parts of silicon nitride powder, silicon carbide micro-powder 20
Part～25 parts, 10 parts～20 parts of silicon dioxide powder, 7 parts～15 parts of boron carbide micro powder, 20 parts of Ludox～
25 parts.The refractory brick fired using above component, with good corrosion resistance, and in refractory brick
Metal ion, does not greatly reduce the formation of precipitation by metallic ion.
The lower sides of the melt chamber of the present invention offer some slag-drip openings, and the slag-drip opening is opened for strip
Mouthful, the Aspect Ratio of the slag-drip opening is 3：1.Inventor has found in long-term practice, by-product Nacl
, when the waste residue that metal ion is formed is processed, the slag-drip opening using said structure is the most favourable, can for melting furnace
Ensure that waste residue is smoothly derived.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to implementing
Example or the accompanying drawing to be used needed for description of the prior art are briefly described, it should be apparent that, describe below
In accompanying drawing be only some embodiments of the present invention, for those of ordinary skill in the art, do not paying
On the premise of going out creative labor, can be with according to these other accompanying drawings of accompanying drawings acquisition.
Fig. 1 is the structural representation of the present invention.
Specific embodiment
Describe the present invention below in conjunction with specific embodiment.
Embodiment 1
As shown in figure 1, a kind of by-product Nacl melting furnace for reducing precipitation by metallic ion, including by multiple stoves
Wall surrounds the furnace chamber body 1 to be formed, and the furnace chamber body 1 has the upper part for being defined as heating chamber 2 and determines
Justice is the lower part of melt chamber 3, and the furnace chamber body 1 is provided with dog-house 4, the downstream of the dog-house 4
The inclined feeding-passage 5 to be oriented to solid by-product Nacl inside the melt chamber 3 is provided with, it is described
Furnace chamber body is provided with the top of the feeding-passage 5 has same tilt angle with the feeding-passage 5
Arch top 6, the lower sides of the melt chamber 3 offer some slag-drip openings 7, and the slag-drip opening 7 is strip
The opening of shape, the Aspect Ratio of the slag-drip opening 7 is 3：1.
The refractory brick of the heating chamber is prepared using the component of following weight portion：
20 parts of mullite powder,
30 parts of carborundum powder,
10 parts of silicon dioxide powder,
20 parts of alumina powder,
10 parts of forsterite micropowder,
5 parts of Vermiculitum micropowder
15 parts of quartz micropowder,
10 parts of zircon micropowder,
7 parts of sillimanite micropowder；
Above material is mixed, refractory brick is fired into after pressing mold.
The refractory brick of the melt chamber is prepared using the component of following weight portion：
30 parts of silicon nitride powder,
20 parts of silicon carbide micro-powder,
10 parts of silicon dioxide powder,
7 parts of boron carbide micro powder,
20 parts of Ludox.
The refining industrial salt index prepared using the present embodiment melting furnace is as follows：
| Project | Index |
| Sodium Chloride (in terms of NaCl) | 99.5 |
| Water-insoluble, % | 0.05 |
| Sulfate is (with SO4 2-Meter) | 0.15 |
| Calcium ions and magnesium ions, % | 0.10 |
| Total organic carbon, mg/kg | 5.0 |
In production application, the cleaning cycle of precipitation is 1.5 months to the present embodiment melting furnace.
Embodiment 2
The present embodiment structure is same as Example 1, and difference is：
The refractory brick of heating chamber described in the present embodiment is prepared using the component of following weight portion：
25 parts of mullite powder,
35 parts of carborundum powder,
15 parts of silicon dioxide powder,
25 parts of alumina powder,
15 parts of forsterite micropowder,
10 parts of Vermiculitum micropowder
25 parts of quartz micropowder,
20 parts of zircon micropowder,
15 parts of sillimanite micropowder；
The refractory brick of the melt chamber is prepared using the component of following weight portion：
35 parts of silicon nitride powder,
25 parts of silicon carbide micro-powder,
20 parts of silicon dioxide powder,
15 parts of boron carbide micro powder,
25 parts of Ludox.
Refining industrial salt index manufactured in the present embodiment is as follows：
| Project | Index |
| Sodium Chloride (in terms of NaCl) | 99.6 |
| Water-insoluble, % | 0.05 |
| Sulfate is (with SO4 2-Meter) | 0.15 |
| Calcium ions and magnesium ions, % | 0.10 |
| Total organic carbon, mg/kg | 4.9 |
In production application, the cleaning cycle of precipitation is 1.7 months to the present embodiment.
Embodiment 3
The present embodiment structure is same as Example 1, and difference is：
The refractory brick of heating chamber described in the present embodiment is prepared using the component of following weight portion：25 parts of mullite powder,
30 parts of carborundum powder,
15 parts of silicon dioxide powder,
20 parts of alumina powder,
13 parts of forsterite micropowder,
8 parts of Vermiculitum micropowder
25 parts of quartz micropowder,
15 parts of zircon micropowder,
10 parts of sillimanite micropowder.
The refractory brick of the melt chamber is prepared using the component of following weight portion：
30 parts of silicon nitride powder,
25 parts of silicon carbide micro-powder,
15 parts of silicon dioxide powder,
10 parts of boron carbide micro powder,
20 parts of Ludox.
Refining industrial salt index manufactured in the present embodiment is as follows：
| Project | Index |
| Sodium Chloride (in terms of NaCl) | 99.7 |
| Water-insoluble, % | 0.03 |
| Sulfate is (with SO4 2-Meter) | 0.10 |
| Calcium ions and magnesium ions, % | 0.05 |
| Total organic carbon, mg/kg | 4.5 |
In production application, the cleaning cycle of precipitation is 2.3 months to the present embodiment.
Embodiment 4
The present embodiment structure is same as Example 1, and difference is：
The refractory brick of heating chamber described in the present embodiment is prepared using the component of following weight portion：
23 parts of mullite powder,
35 parts of carborundum powder,
12 parts of silicon dioxide powder,
25 parts of alumina powder,
13 parts of forsterite micropowder,
7 parts of Vermiculitum micropowder
20 parts of quartz micropowder,
15 parts of zircon micropowder,
10 parts of sillimanite micropowder；
The refractory brick of the melt chamber is prepared using the component of following weight portion：
30 parts of silicon nitride powder,
23 parts of silicon carbide micro-powder,
15 parts of silicon dioxide powder,
15 parts of boron carbide micro powder,
22 parts of Ludox.
Refining industrial salt index manufactured in the present embodiment is as follows：
| Project | Index |
| Sodium Chloride (in terms of NaCl) | 99.6 |
| Water-insoluble, % | 0.05 |
| Sulfate is (with SO4 2-Meter) | 0.13 |
| Calcium ions and magnesium ions, % | 0.08 |
| Total organic carbon, mg/kg | 5.0 |
In production application, the cleaning cycle of precipitation is 1.5 months to the present embodiment.
Embodiment 5
The present embodiment structure is same as Example 1, and difference is：
The refractory brick of heating chamber described in the present embodiment is prepared using the component of following weight portion：
25 parts of mullite powder,
32 parts of carborundum powder,
14 parts of silicon dioxide powder,
20 parts～25 parts of alumina powder,
13 parts of forsterite micropowder,
9 parts of Vermiculitum micropowder
22 parts of quartz micropowder,
18 parts of zircon micropowder,
9 parts of sillimanite micropowder；
The refractory brick of the melt chamber is prepared using the component of following weight portion：
35 parts of silicon nitride powder,
22 parts of silicon carbide micro-powder,
18 parts of silicon dioxide powder,
15 parts of boron carbide micro powder,
25 parts of Ludox.
Refining industrial salt index manufactured in the present embodiment is as follows：
| Project | Index |
| Sodium Chloride (in terms of NaCl) | 99.6 |
| Water-insoluble, % | 0.05 |
| Sulfate is (with SO4 2-Meter) | 0.12 |
| Calcium ions and magnesium ions, % | 0.07 |
| Total organic carbon, mg/kg | 4.8 |
In production application, the cleaning cycle of precipitation is 1.5 months to the present embodiment.
The above is only the better embodiment of the present invention, therefore all according to described in present patent application scope
Equivalence changes or modification that construction, feature and principle are done, are included in the range of present patent application.
Claims (6)
1. a kind of by-product Nacl melting furnace for reducing precipitation by metallic ion, including by multiple furnace wall bread shape is enclosed
Into furnace chamber body, it is characterised in that：The furnace chamber body has upper part and the definition for being defined as heating chamber
For the lower part of melt chamber, the furnace chamber body is provided with dog-house, and the downstream of the dog-house is provided with use
With the inclined feeding-passage being oriented to solid by-product Nacl inside the melt chamber, the furnace chamber body in
The arch top that there is same tilt angle with the feeding-passage is provided with above the feeding-passage,
The refractory brick of the heating chamber is prepared using the component of following weight portion：
20 parts～25 parts of mullite powder,
30 parts～35 parts of carborundum powder,
10 parts～15 parts of silicon dioxide powder,
20 parts～25 parts of alumina powder,
10 parts～15 parts of forsterite micropowder,
5 parts～10 parts of Vermiculitum micropowder
15 parts～25 parts of quartz micropowder,
10 parts～20 parts of zircon micropowder,
7 parts～15 parts of sillimanite micropowder；
The refractory brick of the melt chamber is prepared using the component of following weight portion：
30 parts～35 parts of silicon nitride powder,
20 parts～25 parts of silicon carbide micro-powder,
10 parts～20 parts of silicon dioxide powder,
7 parts～15 parts of boron carbide micro powder,
20 parts～25 parts of Ludox.
2. a kind of by-product Nacl melting furnace for reducing precipitation by metallic ion as claimed in claim 1, it is special
Levy and be：The lower sides of the melt chamber offer some slag-drip openings.
3. a kind of by-product Nacl melting furnace for reducing precipitation by metallic ion as claimed in claim 2, it is special
Levy and be：The slag-drip opening is the opening of strip.
4. a kind of by-product Nacl melting furnace for reducing precipitation by metallic ion as claimed in claim 3, it is special
Levy and be：The Aspect Ratio of the slag-drip opening is 3：1.
5. the by-product Nacl melting of a kind of reduction precipitation by metallic ion as described in any one of claim 1-4
Stove, it is characterised in that：The refractory brick of the heating chamber is prepared using the component of following weight portion：
25 parts of mullite powder,
30 parts of carborundum powder,
15 parts of silicon dioxide powder,
20 parts of alumina powder,
13 parts of forsterite micropowder,
8 parts of Vermiculitum micropowder
25 parts of quartz micropowder,
15 parts of zircon micropowder,
10 parts of sillimanite micropowder.
6. the by-product Nacl melting of a kind of reduction precipitation by metallic ion as described in any one of claim 1-4
Stove, it is characterised in that：The refractory brick of the melt chamber is prepared using the component of following weight portion：
30 parts of silicon nitride powder,
25 parts of silicon carbide micro-powder,
15 parts of silicon dioxide powder,
10 parts of boron carbide micro powder,
20 parts of Ludox.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510694445.9A CN106608728A (en) | 2015-10-21 | 2015-10-21 | By-product industrial salt melting furnace having effect of reducing precipitation of metal ions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510694445.9A CN106608728A (en) | 2015-10-21 | 2015-10-21 | By-product industrial salt melting furnace having effect of reducing precipitation of metal ions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106608728A true CN106608728A (en) | 2017-05-03 |
Family
ID=58613161
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510694445.9A Pending CN106608728A (en) | 2015-10-21 | 2015-10-21 | By-product industrial salt melting furnace having effect of reducing precipitation of metal ions |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1789813A (en) * | 2004-12-15 | 2006-06-21 | 中国科学院工程热物理研究所 | Method and apparatus for treating contaminated salt |
| CN101068758A (en) * | 2004-11-29 | 2007-11-07 | 圣戈班欧洲设计研究中心 | Sintered refractory block based on silicon carbide with a silicon nitride bond |
| CN201662069U (en) * | 2010-04-27 | 2010-12-01 | 江苏大晴天环保设备有限公司 | Carbonization incinerator for high concentration salty organic waste liquid |
| CN201827897U (en) * | 2010-09-25 | 2011-05-11 | 王志军 | Environment-friendly chemical saliferous waste water incinerator |
| CN103360083A (en) * | 2012-04-01 | 2013-10-23 | 浙江昱辉阳光能源有限公司 | Preparation method of silicon nitride crucible |
| CN104744051A (en) * | 2015-03-24 | 2015-07-01 | 烟台同立高科新材料股份有限公司 | Production method of silicon nitride crucible |
| CN104944980A (en) * | 2015-05-29 | 2015-09-30 | 柳州普亚贸易有限公司 | Preparation method of wear-resistant corrosion-resistant brick |
-
2015
- 2015-10-21 CN CN201510694445.9A patent/CN106608728A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101068758A (en) * | 2004-11-29 | 2007-11-07 | 圣戈班欧洲设计研究中心 | Sintered refractory block based on silicon carbide with a silicon nitride bond |
| CN1789813A (en) * | 2004-12-15 | 2006-06-21 | 中国科学院工程热物理研究所 | Method and apparatus for treating contaminated salt |
| CN201662069U (en) * | 2010-04-27 | 2010-12-01 | 江苏大晴天环保设备有限公司 | Carbonization incinerator for high concentration salty organic waste liquid |
| CN201827897U (en) * | 2010-09-25 | 2011-05-11 | 王志军 | Environment-friendly chemical saliferous waste water incinerator |
| CN103360083A (en) * | 2012-04-01 | 2013-10-23 | 浙江昱辉阳光能源有限公司 | Preparation method of silicon nitride crucible |
| CN104744051A (en) * | 2015-03-24 | 2015-07-01 | 烟台同立高科新材料股份有限公司 | Production method of silicon nitride crucible |
| CN104944980A (en) * | 2015-05-29 | 2015-09-30 | 柳州普亚贸易有限公司 | Preparation method of wear-resistant corrosion-resistant brick |
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Application publication date: 20170503 |