CN106278317A - A kind of sulfureted hydrogen burning stove long-life castable and construction technology thereof - Google Patents
A kind of sulfureted hydrogen burning stove long-life castable and construction technology thereof Download PDFInfo
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- CN106278317A CN106278317A CN201610671243.7A CN201610671243A CN106278317A CN 106278317 A CN106278317 A CN 106278317A CN 201610671243 A CN201610671243 A CN 201610671243A CN 106278317 A CN106278317 A CN 106278317A
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- castable
- life
- long
- burning stove
- hydrogen burning
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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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/66—Monolithic refractories or refractory mortars, including those whether or not containing clay
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- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Ceramic Products (AREA)
Abstract
A kind of sulfureted hydrogen burning stove long-life castable and construction technology thereof, belong to preparation and the technical field of construction of castable refractory.Sulfureted hydrogen burning stove prepared by the present invention has the good integrity making body of heater, the features such as good thermal shock stability, intensity height, corrosion resistance and antistrip performance are excellent by long-life castable.Owing to castable is integrated poured molding, material is an entirety, brickwork joint will not occurs as tradition calculon masonry construction body and fall the situation of brick, moreover it is possible to avoid gas combustion to leap up the generation of fire phenomenon.Simultaneously as add the additive such as andalusite, improve thermal shock resistance and the toughness of refractory material, and improve the refractoriness under load of material, fluctuated in temperature and because of the change of thermal stress, refractory material will not be caused damage during closing blowing out.Add the effect that steel fibre is toughness reinforcing, further increase the high-temperature behavior of refractory material, extend service life.
Description
Technical field
The invention belongs to preparation and the technical field of construction of castable refractory, be specifically related to a kind of sulfureted hydrogen burning stove long
Life-span castable.
Background technology
In sulfureted hydrogen burning stove stove under normal circumstances, operation temperature is 1000-1350 DEG C, and operation medium is containing H2S、CS2、
The production tail gas of S etc., stove outer wall design temperature 200 DEG C.Sulfureted hydrogen burning stove has use temperature height, temperature fluctuation big, easily
The features such as overtemperature.Traditional sulfureted hydrogen burning stove refractory brick furnace lining, the most often occurs that liner body is caved in, thawing etc. damages
Situation, causes furnace wall overtemperature, has a strong impact on device properly functioning.
In consideration of it, a kind of long-life castable for sulfureted hydrogen burning stove of applicant's research design, have and make stove
The good integrity of body, the features such as good thermal shock stability, intensity height, corrosion resistance and antistrip performance are excellent.Meanwhile, its liner body without
Seam, air-tightness is good, and radiation loss is few, can save the energy.Additionally, easy construction, it is simple to repairing, construction costs is relatively low is also one
Big advantage.
Summary of the invention
The technical problem to be solved is to provide a kind of sulfureted hydrogen burning stove long-life castable and construction thereof
Technique, has the good integrity making body of heater, the spies such as good thermal shock stability, intensity height, corrosion resistance and antistrip performance are excellent
Point.Second of present invention solution technical problem is that prepared liner body seamless, and air-tightness is good, and radiation loss is few, can save the energy.
The 3rd of present invention solution technical problem is that, easy construction, it is simple to repairing, construction costs is relatively low.
For solving above-mentioned technical problem, the technical scheme is that a kind of sulfureted hydrogen burning stove described in invention is long
Life-span castable, it is characterised in that by weight, including following component:
88# alumine 8-5 20-25 part；
88# alumine 5-3 15-20 part；
88# alumine 3-1 10-16 part；
88# alumine 1-0 10-15 part；
Andalusite 5-15 part；
White fused alumina 5-15 part；
97 carborundum 5-15 parts；
Silicon ash 2-8 part；
70 pure calcium aluminate cement 4-6 parts；
Cement 3-8 part；
Sodium tripolyphosphate 0.1-0.3 part；
Sodium hexameta phosphate 0.1-0.3 part；
Rustless steel steel fibre 1-3 part.
Preferably, the fineness of described white fused alumina is 200 mesh.
The sulfureted hydrogen burning stove of the present invention construction technology of long-life castable, it is characterised in that: loose tool is led to
Cross anchor nail welding and be connected on furnace shell surface, then vibrating casting long-life castable between furnace shell and loose tool, after natural drying
Remove loose tool, come into operation by after heating curve baker.
Compared with prior art, the invention has the beneficial effects as follows:
1, the sulfureted hydrogen burning stove that prepared by the present invention has the good integrity making body of heater, thermal shock resistance by long-life castable
Good, intensity high, corrosion resistance and the feature such as antistrip performance is excellent.Meanwhile, its liner body seamless, air-tightness is good, radiation loss
Few, the energy can be saved.Additionally, easy construction, it is simple to repairing, construction costs is relatively low is also a big advantage.
2, being integrated poured molding due to castable, material is an entirety, will not be as brickwork joint occurs in calculon and falls brick, this
Sample avoid gas combustion leap up fire phenomenon generation.Simultaneously as add the additives such as andalusite, improve the thermal shock of refractory material
Stability and toughness, and improve the refractoriness under load of material, fluctuated in temperature and close during blowing out will not be because of
Refractory material is caused damage by the change for thermal stress.Add the effect that steel fibre is toughness reinforcing, further increase refractory material
High-temperature behavior, extend service life.
3, the present invention uses bauxite how with a high standard as main material, and other auxiliary agents promote material as ilities.Wherein,
White alundum powder can be effectively improved moldable wear-resisting intensity；Andalusite can promote the high temperature resistance of liner.Carborundum energy
Enough increasing the anti-wear performance of interior wall, thermal expansion coefficients is little, stable chemical performance.
Silicon ash can the intergranular hole of filling concrete, simultaneously generate gelinite with hydrated product, significantly improve resistance to compression, anti-
Folding, impervious, anticorrosion, shock resistance and anti-wear performance.Sodium hexameta phosphate and sodium tripolyphosphate can play the effect of diminishing.
4, applicant utilizes the material mixture ratio of science, through test of many times, develops sulfureted hydrogen burning of the present invention
Stove long-life castable, through lab scale, pilot scale and actual operation application experiment, achieves good using effect, it is possible to big
Amplitude promotes economic benefit, the most in the industry cycle popularizes.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the present invention is described in detail.
A kind of sulfureted hydrogen burning stove long-life castable described in invention, by weight, including following component:
88# alumine 8-5 20-25 part；
88# alumine 5-3 15-20 part；
88# alumine 3-1 10-16 part；
88# alumine 1-0 10-15 part；
Andalusite 5-15 part；
White fused alumina 5-15 part；
97 carborundum 5-15 parts；
Silicon ash 2-8 part；
70 pure calcium aluminate cement 4-6 parts；
Cement 3-8 part；
Sodium tripolyphosphate 0.1-0.3 part；
Sodium hexameta phosphate 0.1-0.3 part；
Rustless steel steel fibre 1-3 part.
Preferably, the fineness of described white fused alumina is 200 mesh.
The sulfureted hydrogen burning stove of the present invention construction technology of long-life castable, it is characterised in that: loose tool is passed through anchor
Gu nail welding is on furnace shell surface, then vibrating casting long-life castable between furnace shell and loose tool, remove after natural drying
Loose tool, comes into operation by after heating curve baker.
Below in conjunction with detailed description of the invention, the present invention is described in further detail.
The material composition of specific embodiment and proportioning see following table:
| Composition | Embodiment one | Embodiment two | Embodiment three |
| 88# alumine 8-5 | 20 parts | 25 parts | 23 parts |
| 88# alumine 5-3 | 15 parts | 20 parts | 18 parts |
| 88# alumine 3-1 | 10 parts | 16 parts | 14 parts |
| 88# alumine 1-0 | 10 parts | 15 parts | 13 parts |
| Andalusite | 5 parts | 15 parts | 10 parts |
| White fused alumina | 5 parts | 15 parts | 10 parts |
| 97 carborundums | 5 parts | 15 parts | 10 parts |
| Silicon ash | 2 parts | 8 parts | 6 parts |
| 70 pure calcium aluminate cements | 4 parts | 5 parts | 6 parts |
| Cement | 3 parts | 8 parts | 5 parts |
| Sodium tripolyphosphate | 0.1 part | 0.15 part | 0.1 part |
| Sodium hexameta phosphate | 0.2 part | 0.1 part | 0.1 part |
| Rustless steel steel fibre | 3.0 part | 2.5 part | 2.0 part |
Being detected by contrast experiment, the physical and chemical index of former clay brick is as follows:
| Project | Setting |
| 0.2MPa loading softening starts temperature | 1300 ℃ |
| Heating permanent line 1350 DEG C of * 2h/% of change | -0.6 |
| Apparent porosity | 24% |
| Cold crushing strength | 30 MPa |
| Thermal shock resistance, 1100 DEG C of water-cooleds | 22 times |
Sulfureted hydrogen burning stove of the present invention is as follows with the physical and chemical index of long-life castable:
| Project | Setting |
| 0.2MPa loading softening starts temperature | 1550 ℃ |
| Heating permanent line 1350 DEG C of * 3h/% of change | ±0.3 |
| Apparent porosity | 22% |
| Cold crushing strength | 80 MPa |
| Compressive resistance after 1350 DEG C of * 3h burnings | 100 MPa |
| Thermal shock resistance, 1100 DEG C of water-cooleds | 33 times |
The contrast having above-mentioned two form is visible, the sulfureted hydrogen burning stove of the present invention properties of long-life castable
Index relatively conventional clay is all substantially improved.
Sulfureted hydrogen burning stove prepared by the present invention has the good integrity making body of heater by long-life castable, and thermal shock is stable
Property is good, intensity is high, corrosion resistance and the feature such as antistrip performance is excellent.Meanwhile, its liner body seamless, air-tightness is good, and heat radiation is damaged
Lose few, the energy can be saved.Additionally, easy construction, it is simple to repairing, construction costs is relatively low is also a big feature.
Owing to castable is integrated poured molding, material is an entirety, will not be as brickwork joint occurs in calculon and falls brick, so
Avoid gas combustion leap up fire phenomenon generation.Simultaneously as add the additives such as andalusite, the thermal shock that improve refractory material is steady
Qualitative and toughness, and improve the refractoriness under load of material, fluctuated in temperature and close during blowing out will not be because of
Refractory material is caused damage by the change of thermal stress.Add the effect that steel fibre is toughness reinforcing, further increase refractory material
High-temperature behavior, extends service life.
The above, be only presently preferred embodiments of the present invention, is not the restriction that the present invention makees other form, appoints
What those skilled in the art is combined possibly also with the technology contents of the disclosure above, changes or retrofits and is the present invention
Equivalent embodiments.But every without departing from technical solution of the present invention content, implement above according to the technical spirit of the present invention
Any simple modification, equivalent variations and the remodeling that example is made, still falls within the protection domain of technical solution of the present invention.
Claims (3)
1. a sulfureted hydrogen burning stove long-life castable, it is characterised in that by weight, including following component:
88# alumine 8-5 20-25 part；
88# alumine 5-3 15-20 part；
88# alumine 3-1 10-16 part；
88# alumine 1-0 10-15 part；
Andalusite 5-15 part；
White fused alumina 5-15 part；
97 carborundum 5-15 parts；
Silicon ash 2-8 part；
70 pure calcium aluminate cement 4-6 parts；
Cement 3-8 part；
Sodium tripolyphosphate 0.1-0.3 part；
Sodium hexameta phosphate 0.1-0.3 part；
Rustless steel steel fibre 1-3 part.
Sulfureted hydrogen burning stove long-life castable the most according to claim 1, it is characterised in that: described white fused alumina thin
Degree is 200 mesh.
The sulfureted hydrogen burning stove the most according to claim 1 and 2 construction technology of long-life castable, it is characterised in that:
Loose tool is connected on furnace shell surface, then vibrating casting long-life castable between furnace shell and loose tool by anchor nail welding, treats certainly
So remove loose tool after drying, come into operation by after heating curve baker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610671243.7A CN106278317A (en) | 2016-08-16 | 2016-08-16 | A kind of sulfureted hydrogen burning stove long-life castable and construction technology thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610671243.7A CN106278317A (en) | 2016-08-16 | 2016-08-16 | A kind of sulfureted hydrogen burning stove long-life castable and construction technology thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106278317A true CN106278317A (en) | 2017-01-04 |
Family
ID=57671494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610671243.7A Pending CN106278317A (en) | 2016-08-16 | 2016-08-16 | A kind of sulfureted hydrogen burning stove long-life castable and construction technology thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN106278317A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020022567A1 (en) * | 1998-08-20 | 2002-02-21 | Xiangmin Li | Non-slumping sprayable refractory castables containing thermal black |
| CN103449832A (en) * | 2013-09-03 | 2013-12-18 | 辽宁科技大学 | High-strength casting material for runner swinging sliding nozzle and preparation method of high-strength casting material |
-
2016
- 2016-08-16 CN CN201610671243.7A patent/CN106278317A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020022567A1 (en) * | 1998-08-20 | 2002-02-21 | Xiangmin Li | Non-slumping sprayable refractory castables containing thermal black |
| CN103449832A (en) * | 2013-09-03 | 2013-12-18 | 辽宁科技大学 | High-strength casting material for runner swinging sliding nozzle and preparation method of high-strength casting material |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 255300 1688 Xiyang village, Wang Cun town, Zhoucun District, Zibo, Shandong Applicant after: Shandong Lu Ming high temperature materials Limited by Share Ltd Address before: 255321 Xiyang Xi village, Wang Cun town, Zhoucun District, Zibo, Shandong Applicant before: Shandong Luming High-temperature Material Technology Co., Ltd. |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170104 |