CN104390462A - Industrial furnace prefabricated part and preparation method thereof - Google Patents
Industrial furnace prefabricated part and preparation method thereof Download PDFInfo
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- CN104390462A CN104390462A CN201410512485.2A CN201410512485A CN104390462A CN 104390462 A CN104390462 A CN 104390462A CN 201410512485 A CN201410512485 A CN 201410512485A CN 104390462 A CN104390462 A CN 104390462A
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- industrial furnace
- prefabricated component
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- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 230000005855 radiation Effects 0.000 claims abstract description 52
- 239000000463 material Substances 0.000 claims abstract description 25
- 239000011159 matrix material Substances 0.000 claims description 42
- 239000000758 substrate Substances 0.000 claims description 18
- 150000001875 compounds Chemical class 0.000 claims description 12
- 238000001035 drying Methods 0.000 claims description 12
- 235000019353 potassium silicate Nutrition 0.000 claims description 9
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- 238000005245 sintering Methods 0.000 claims description 7
- DQMUQFUTDWISTM-UHFFFAOYSA-N O.[O-2].[Fe+2].[Fe+2].[O-2] Chemical compound O.[O-2].[Fe+2].[Fe+2].[O-2] DQMUQFUTDWISTM-UHFFFAOYSA-N 0.000 claims description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 6
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 6
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 claims description 6
- 238000004134 energy conservation Methods 0.000 claims description 6
- 238000010304 firing Methods 0.000 claims description 6
- 230000014759 maintenance of location Effects 0.000 claims description 6
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 3
- 229910000420 cerium oxide Inorganic materials 0.000 claims description 3
- 229910052593 corundum Inorganic materials 0.000 claims description 3
- 239000010431 corundum Substances 0.000 claims description 3
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 claims description 3
- 239000004088 foaming agent Substances 0.000 claims description 3
- 230000001788 irregular Effects 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 229910052863 mullite Inorganic materials 0.000 claims description 3
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 claims description 3
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 3
- 150000002910 rare earth metals Chemical class 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000004408 titanium dioxide Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 7
- 239000011819 refractory material Substances 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
Landscapes
- Compositions Of Oxide Ceramics (AREA)
Abstract
The invention relates to an industrial furnace prefabricated part and a preparation method thereof. The industrial furnace prefabricated part comprises a basal body, wherein one end of the basal body is closed, an opening is formed on the other end of the basal body, a main radiation cavity is formed in the center inside the basal body, two auxiliary radiation cavities are formed on two sides of the main radiation cavity, the main radiation cavity is separated from the auxiliary radiation cavities by utilizing a separation plate, and the basal body is made of a high temperature refractory material and a high darkness material. The industrial furnace prefabricated part comprises three cavities and the basal body, the basal body and the cavities are reasonable in shape, the radiation area is large, the irradiance and heat ray arrival rate is high, and the energy-saving effect is good.
Description
[
technical field]
The present invention relates to a kind of stove inner lining material and preparation method thereof, particularly relate to a kind of industrial furnace prefabricated component and preparation method thereof.
[
background technology]
At present, in industrial furnace, power-saving technology is mainly that energy-saving coatings is applied, and paste cellucotton at inboard wall of burner hearth and reduce radiation loss, be coated with the heat transfer element of high rate layer, energy-saving effect increases, but still can further improve.
[
summary of the invention]
The object of the present invention is to provide industrial furnace prefabricated component of the multi-chamber that a kind of swept area is large, shape is special and preparation method thereof, be intended to solve the dissatisfactory problem of Energy-saving in Industrial Furnaces effect.
The technical solution used in the present invention is: a kind of industrial furnace prefabricated component, comprise matrix, described matrix one end is closed, other end opening, in intrinsic silicon center, place has primary radiation chamber, the both sides in described primary radiation chamber have two collateral radiation chambeies, and described primary radiation chamber and collateral radiation chamber dividing plate separate, and described matrix is made with high-temperature refractory and high blackness material.
The further technical scheme of the present invention is: described outer surface of matrix has trickle irregular asperities.
The further technical scheme of the present invention is: described matrix profile is cylinder, Elliptic Cylinder or polyhedron.
The further technical scheme of the present invention is: described primary radiation chamber is for circular.
The further technical scheme of the present invention is: described collateral radiation chamber is circular arc, and described dividing plate is circular arc.
The further technical scheme of the present invention is: the cavity draw ratio in described primary radiation chamber is 1:2 ~ 1:5, and the cavity draw ratio in described collateral radiation chamber is 1:0.5 ~ 1:1.
The further technical scheme of the present invention is: the wall thickness of described matrix and dividing plate is 0.7 ~ 1.2mm.
The further technical scheme of the present invention is: a kind of preparation method of industrial furnace prefabricated component, and its step comprises:
A. calculate by mass percentage, by the carborundum of 12% ~ 15%, the chrome green of 10% ~ 15%, manganese dioxide, the di-iron trioxide of 12% ~ 20%, the Ludox of 6% of 12% ~ 15%, the rare earth of 3% and the waterglass of surplus, 1300 DEG C ~ 1500 DEG C high temperature sinterings 4 hours after being fully uniformly mixed, obtain high temperature height radiative material compound;
B. using gained high temperature height radiative material compound and mullite corundum powder be by mass percentage the ratio of 3:7 as matrix material, shaping with 300t friction press, obtaining density is 2.7g/cm3, and compressive resistance is the base substrate of 5 ~ 15MPa;
C. gained base substrate is put into tunnel dryer and carry out drying, described tunnel dryer inlet temperature is 40 ~ 50 DEG C, most high dry temperature 130 DEG C, and drying time, 48h, obtained the dry base substrate of moisture≤1.5%;
D. dry for gained idiosome is put into tunnel cave to burn till, firing temperature is 1550 DEG C, and temperature retention time is 10h, obtains high temperature intense radiation, energy-conservation industrial furnace prefabricated component.
The further technical scheme of the present invention is: a kind of preparation method of industrial furnace prefabricated component, and its step comprises:
A. calculate by mass percentage, by the zirconia of 10% ~ 13%, the carborundum of 10% ~ 15%, the titanium dioxide of 10%, the di-iron trioxide of 9% ~ 16%, the cerium oxide of 8%, the Ludox of 8%, the rare earths material of 5% and the waterglass of surplus, 1300 DEG C ~ 1500 DEG C high temperature sinterings 4 hours after being fully uniformly mixed, obtain high temperature height radiative material compound;
B. be that the alumina powder of 40% ~ 60% is as base-material with content, add the high temperature height radiative material compound of 20% ~ 10%, add the foaming agent of 0.2 ~ 0.3wt% and the waterglass of surplus again, fully stir in mill disc in planetary Forced Mixing machine and mediate, then through moulding by casting, base substrate is obtained;
C. gained base substrate is put into tunnel dryer and carry out drying, described tunnel dryer inlet temperature is 40 ~ 50 DEG C, most high dry temperature 130 DEG C, and drying time, 48h, obtained the dry base substrate of moisture≤1.5%;
D. dry for gained idiosome is put into tunnel cave to burn till, firing temperature is 1550 DEG C, and temperature retention time is 8h, and obtaining bulk density is 0.4 ~ 1.35g/cm3, the porosity is 66% ~ 73%, and compressive resistance is the high temperature intense radiation of 5 ~ 8MPa, energy-conservation industrial furnace prefabricated component.
The invention has the beneficial effects as follows: owing to adopting technique scheme, the industrial furnace prefabricated component of the present invention containing three chambers and matrix, matrix and chamber shape reasonable in design, swept area is large, irradiation level and heat ray arrival rate high, good energy-conserving effect.
[
accompanying drawing explanation]
The structural representation of Fig. 1 to be matrix profile be ellipsoidal industrial furnace prefabricated component;
Fig. 2 is the A-A profile of Fig. 1;
Fig. 3 is the top view of Fig. 1;
The structural representation of Fig. 4 to be matrix profile be polyhedral industrial furnace prefabricated component;
Fig. 5 is the B-B profile of Fig. 4;
Fig. 6 is the top view of Fig. 4;
The structural representation of Fig. 7 to be matrix profile be cylindrical industrial furnace prefabricated component;
Fig. 8 is the C-C profile of Fig. 7;
Fig. 9 is the top view of Fig. 7.
In figure:
1-primary radiation chamber, 2-collateral radiation chamber, 3-dividing plate, 4-matrix, 5-outer surface of matrix.
[
detailed description of the invention]
Below in conjunction with the drawings and specific embodiments, the present invention is described further.
As shown in Figures 1 to 9, a kind of industrial furnace prefabricated component, comprise matrix 4, described matrix 4 one end is closed, other end opening, in intrinsic silicon center, place has primary radiation chamber 1, and the both sides in described primary radiation chamber 1 have two collateral radiation chambeies 2, described primary radiation chamber 1 separates with collateral radiation chamber 2 dividing plate 3, and described matrix is made with high-temperature refractory and high blackness material.Described dividing plate 3 can be one overall with matrix, and it is the comparatively special part of a shape of matrix; Described dividing plate 3 can be also two parts with matrix, but its material and matrix are the same, detachably clear up, be convenient to installation.Three radial chambers are provided with in prefabricated component, object is the surface area increasing prefabricated component, also effective heat transfer area in burner hearth is relatively more added, after unordered heat ray after the reflection of stove liner is fully absorbed by the prefabricated component with cavity, and in its matrix and cavity repeatedly radiation formation black body effect repeatedly, then make directional transmissions by three radial chambers to by heated parts.
Described outer surface of matrix 5 has trickle irregular asperities.Outer surface of matrix 5 is industrial furnace prefabricated component outer surface namely, be convenient to heat ray according to the theoretical known coarse surface of Infrared Physics absorb, after the outer surface that the heat ray that can not do work in stove is coarse by industrial furnace prefabricated component absorbs, enter into matrix rapidly, and in matrix and cavity after radiation completes abundant accumulation of heat repeatedly, then in stove, make directed radiation by three radial chambers.
Preferably, as shown in Figure 1 to Figure 3, described matrix 4 profile is Elliptic Cylinder; In another preferred technical scheme, as shown in Figures 4 to 6, described matrix 4 profile is polyhedron; In another preferred technical scheme, as shown in Figure 7 to 9, described matrix 4 profile is cylinder.
Described primary radiation chamber 1 is circular.While surface area is large, be convenient to concentrated heat radiation.
Described collateral radiation chamber 2 is circular arc, and described dividing plate 3 is circular arc.The effect in two circular arc collateral radiation chambeies 2 is to accelerate in release prefabricated component matrix 4 while heat ray, and the heat ray bundle that the light beam utilizing collateral radiation chamber 2 to penetrate anti-gear primary radiation chamber 1 sends, makes its indiffusion, avoid the formation of new unordered heat ray.The heat ray bundle that primary radiation chamber 1 is sent can be concentrated, directly directive, by heated parts, improves the arrival rate of heat ray fast, improves irradiation level.Material is thus formed prefabricated component with 0.96 ratio fast, constantly absorb unordered heat ray, simultaneously again with same ratio continuously directional transmissions go out heat ray, stove fuel combustion speed is accelerated, the total amount of heat discharged in unit interval increases, shorten the heat time of heated body, thus improve the thermal efficiency of heating furnace.
The cavity draw ratio in described primary radiation chamber 1 is 1:2 ~ 1:5, and the cavity draw ratio in described collateral radiation chamber 2 is 1:0.5 ~ 1:1; Preferably, the cavity draw ratio in described primary radiation chamber 1 is 1:3 or 1:4, and the cavity draw ratio in described collateral radiation chamber 2 is 1:0.75.
The wall thickness of described matrix 4 and dividing plate 3 is 0.7 ~ 1.2mm; Preferably, the wall thickness of described matrix 4 and dividing plate 3 is 1.Wall thickness is too thin, and industrial furnace prefabricated component easily chaps and breakage, and wall thickness is too thick, and thermal storage time is long, and the speed of release heat energy is just slow, and fractional energy savings is not high yet simultaneously.
A preparation method for industrial furnace prefabricated component, its step comprises:
A. calculate by mass percentage, by the carborundum of 12% ~ 15%, the chrome green of 10% ~ 15%, manganese dioxide, the di-iron trioxide of 12% ~ 20%, the Ludox of 6% of 12% ~ 15%, the rare earth of 3% and the waterglass of surplus, 1300 DEG C ~ 1500 DEG C high temperature sinterings 4 hours after being fully uniformly mixed, obtain high temperature height radiative material compound;
B. using gained high temperature height radiative material compound and mullite corundum powder be by mass percentage the ratio of 3:7 as matrix material, shaping with 300t friction press, obtaining density is 2.7g/cm3, and compressive resistance is the base substrate of 5 ~ 15MPa;
C. gained base substrate is put into tunnel dryer and carry out drying, described tunnel dryer inlet temperature is 40 ~ 50 DEG C, most high dry temperature 130 DEG C, and drying time, 48h, obtained the dry base substrate of moisture≤1.5%;
D. dry for gained idiosome is put into tunnel cave to burn till, firing temperature is 1550 DEG C, and temperature retention time is 10h, obtains high temperature intense radiation, energy-conservation industrial furnace prefabricated component.
In an additional preferred embodiment, a kind of preparation method of industrial furnace prefabricated component, its step comprises:
A. calculate by mass percentage, by the zirconia of 10% ~ 13%, the carborundum of 10% ~ 15%, the titanium dioxide of 10%, the di-iron trioxide of 9% ~ 16%, the cerium oxide of 8%, the Ludox of 8%, the rare earths material of 5% and the waterglass of surplus, 1300 DEG C ~ 1500 DEG C high temperature sinterings 4 hours after being fully uniformly mixed, obtain high temperature height radiative material compound;
B. be that the alumina powder of 40% ~ 60% is as base-material with content, add the high temperature height radiative material compound of 20% ~ 10%, add the foaming agent of 0.2 ~ 0.3wt% and the waterglass of surplus again, fully stir in mill disc in planetary Forced Mixing machine and mediate, then through moulding by casting, base substrate is obtained;
C. gained base substrate is put into tunnel dryer and carry out drying, described tunnel dryer inlet temperature is 40 ~ 50 DEG C, most high dry temperature 130 DEG C, and drying time, 48h, obtained the dry base substrate of moisture≤1.5%;
D. dry for gained idiosome is put into tunnel cave to burn till, firing temperature is 1550 DEG C, and temperature retention time is 8h, and obtaining bulk density is 0.4 ~ 1.35g/cm3, the porosity is 66% ~ 73%, and compressive resistance is the high temperature intense radiation of 5 ~ 8MPa, energy-conservation industrial furnace prefabricated component.
Industrial furnace prefabricated component of the present invention is containing three chambers and matrix 4, matrix 4 and chamber shape reasonable in design, swept area is large, irradiation level and heat ray arrival rate high, good energy-conserving effect, and by described method, raw material higher for blackness are directly carried out with high-temperature refractory fully stirring founding afterwards, slip casting, friction pressure or sinter molding, instead of on prefabricated component brushing one deck high emissivity layer, can not fall because of emissivity pull-up, decay and affect service life and fractional energy savings, good stability of the present invention.
In the high-temperature refractory that bulk density is higher, add a certain amount of Ludox, intensity is high.
Prefabricated component ageing resistance is good, not easily decays, water-resistance and chemically good, pollution-free without harm after sintering, acid and alkali-resistance, boiling resistance, resistance to immersion and high insulation, easy construction, rapidly, highly versatile, long service life.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. an industrial furnace prefabricated component, it is characterized in that: comprise matrix, described matrix one end is closed, other end opening, in intrinsic silicon center, place has primary radiation chamber, the both sides in described primary radiation chamber have two collateral radiation chambeies, and described primary radiation chamber and collateral radiation chamber dividing plate separate, and described matrix is made with high-temperature refractory and high blackness material.
2. industrial furnace prefabricated component according to claim 1, is characterized in that: described outer surface of matrix has trickle irregular asperities.
3. industrial furnace prefabricated component according to claim 1, is characterized in that: described matrix profile is cylinder, Elliptic Cylinder or polyhedron.
4. industrial furnace prefabricated component according to claim 1, is characterized in that: described primary radiation chamber is for circular.
5. industrial furnace prefabricated component according to claim 4, is characterized in that: described collateral radiation chamber is circular arc, and described dividing plate is circular arc.
6. industrial furnace prefabricated component according to claim 5, is characterized in that: the cavity draw ratio in described primary radiation chamber is 1:2 ~ 1:5, and the cavity draw ratio in described collateral radiation chamber is 1:0.5 ~ 1:1.
7. industrial furnace prefabricated component according to claim 1, is characterized in that: the wall thickness of described matrix and dividing plate is 0.7 ~ 1.2mm.
8. manufacture a preparation method for industrial furnace prefabricated component as claimed in claim 1, it is characterized in that: its step comprises:
A. calculate by mass percentage, by the carborundum of 12% ~ 15%, the chrome green of 10% ~ 15%, manganese dioxide, the di-iron trioxide of 12% ~ 20%, the Ludox of 6% of 12% ~ 15%, the rare earth of 3% and the waterglass of surplus, 1300 DEG C ~ 1500 DEG C high temperature sinterings 4 hours after being fully uniformly mixed, obtain high temperature height radiative material compound;
B. using gained high temperature height radiative material compound and mullite corundum powder be by mass percentage the ratio of 3:7 as matrix material, shaping with 300t friction press, obtaining density is 2.7g/cm3, and compressive resistance is the base substrate of 5 ~ 15MPa;
C. gained base substrate is put into tunnel dryer and carry out drying, described tunnel dryer inlet temperature is 40 ~ 50 DEG C, most high dry temperature 130 DEG C, and drying time, 48h, obtained the dry base substrate of moisture≤1.5%;
D. dry for gained idiosome is put into tunnel cave to burn till, firing temperature is 1550 DEG C, and temperature retention time is 10h, obtains high temperature intense radiation, energy-conservation industrial furnace prefabricated component.
9. manufacture a preparation method for industrial furnace prefabricated component as claimed in claim 1, it is characterized in that: its step comprises:
A. calculate by mass percentage, by the zirconia of 10% ~ 13%, the carborundum of 10% ~ 15%, the titanium dioxide of 10%, the di-iron trioxide of 9% ~ 16%, the cerium oxide of 8%, the Ludox of 8%, the rare earths material of 5% and the waterglass of surplus, 1300 DEG C ~ 1500 DEG C high temperature sinterings 4 hours after being fully uniformly mixed, obtain high temperature height radiative material compound;
B. be that the alumina powder of 40% ~ 60% is as base-material with content, add the high temperature height radiative material compound of 20% ~ 10%, add the foaming agent of 0.2 ~ 0.3wt% and the waterglass of surplus again, fully stir in mill disc in planetary Forced Mixing machine and mediate, then through moulding by casting, base substrate is obtained;
C. gained base substrate is put into tunnel dryer and carry out drying, described tunnel dryer inlet temperature is 40 ~ 50 DEG C, most high dry temperature 130 DEG C, and drying time, 48h, obtained the dry base substrate of moisture≤1.5%;
D. dry for gained idiosome is put into tunnel cave to burn till, firing temperature is 1550 DEG C, and temperature retention time is 8h, and obtaining bulk density is 0.4 ~ 1.35g/cm3, the porosity is 66% ~ 73%, and compressive resistance is the high temperature intense radiation of 5 ~ 8MPa, energy-conservation industrial furnace prefabricated component.
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| CN201410512485.2A CN104390462A (en) | 2014-09-29 | 2014-09-29 | Industrial furnace prefabricated part and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410512485.2A CN104390462A (en) | 2014-09-29 | 2014-09-29 | Industrial furnace prefabricated part and preparation method thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3854256A (en) * | 1972-05-19 | 1974-12-17 | B Wilce | Fabrication of furnace linings with support frame |
| FR2356106A1 (en) * | 1976-06-21 | 1978-01-20 | Feurs Fonderies Acieries Elect | Refractory lining for an induction heated melting pot - consists of ready made lining surrounded by rammed refractory, subsequently sintered before use |
| CN201269547Y (en) * | 2008-08-21 | 2009-07-08 | 杨振华 | Combustion furnace |
| CN202267359U (en) * | 2011-07-27 | 2012-06-06 | 北京西华蓝天节能技术有限公司 | Separator plate-containing cup-shaped high heat radiation element |
| CN202382573U (en) * | 2011-07-14 | 2012-08-15 | 北京西华蓝天节能技术有限公司 | Cellular-type semi-enclosed cavity fire-resistant prefabricated member |
| CN102706156A (en) * | 2012-01-10 | 2012-10-03 | 河南安瑞高温材料股份有限公司 | Refractory material body of carbon roasting furnace |
-
2014
- 2014-09-29 CN CN201410512485.2A patent/CN104390462A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3854256A (en) * | 1972-05-19 | 1974-12-17 | B Wilce | Fabrication of furnace linings with support frame |
| FR2356106A1 (en) * | 1976-06-21 | 1978-01-20 | Feurs Fonderies Acieries Elect | Refractory lining for an induction heated melting pot - consists of ready made lining surrounded by rammed refractory, subsequently sintered before use |
| CN201269547Y (en) * | 2008-08-21 | 2009-07-08 | 杨振华 | Combustion furnace |
| CN202382573U (en) * | 2011-07-14 | 2012-08-15 | 北京西华蓝天节能技术有限公司 | Cellular-type semi-enclosed cavity fire-resistant prefabricated member |
| CN202267359U (en) * | 2011-07-27 | 2012-06-06 | 北京西华蓝天节能技术有限公司 | Separator plate-containing cup-shaped high heat radiation element |
| CN102706156A (en) * | 2012-01-10 | 2012-10-03 | 河南安瑞高温材料股份有限公司 | Refractory material body of carbon roasting furnace |
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Effective date of registration: 20150805 Address after: 545000, the Guangxi Zhuang Autonomous Region, Liuzhou, a high-tech northbound two lane, Dongcheng impression 3, 1 units, 1002 rooms Applicant after: Li Li Address before: 545000, No. A, building A3-04, information industrial park, No. 15, Gaoxin hi tech Road, the Guangxi Zhuang Autonomous Region, Liuzhou Applicant before: GUANGXI JIHUISHUN TECHNOLOGY CO., LTD. Applicant before: Li Li |
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Application publication date: 20150304 |