CN203657448U - Cooling section device for producing vanadium-nitrogen alloy through double pushed-slab kilns according to one-step method - Google Patents
Cooling section device for producing vanadium-nitrogen alloy through double pushed-slab kilns according to one-step method Download PDFInfo
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- CN203657448U CN203657448U CN201320774864.XU CN201320774864U CN203657448U CN 203657448 U CN203657448 U CN 203657448U CN 201320774864 U CN201320774864 U CN 201320774864U CN 203657448 U CN203657448 U CN 203657448U
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- 238000001816 cooling Methods 0.000 title claims abstract description 141
- 238000000034 method Methods 0.000 title claims abstract description 22
- SKKMWRVAJNPLFY-UHFFFAOYSA-N azanylidynevanadium Chemical compound [V]#N SKKMWRVAJNPLFY-UHFFFAOYSA-N 0.000 title abstract description 9
- 229910001199 N alloy Inorganic materials 0.000 title abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052593 corundum Inorganic materials 0.000 claims description 30
- 239000010431 corundum Substances 0.000 claims description 30
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 26
- 229910045601 alloy Inorganic materials 0.000 claims description 25
- 239000000956 alloy Substances 0.000 claims description 25
- 239000011449 brick Substances 0.000 claims description 24
- 238000009413 insulation Methods 0.000 claims description 21
- 230000001936 parietal effect Effects 0.000 claims description 21
- 238000010304 firing Methods 0.000 claims description 19
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 13
- 229910052749 magnesium Inorganic materials 0.000 claims description 13
- 239000011777 magnesium Substances 0.000 claims description 13
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 12
- 239000011248 coating agent Substances 0.000 claims description 12
- 238000000576 coating method Methods 0.000 claims description 12
- 239000003063 flame retardant Substances 0.000 claims description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 239000011094 fiberboard Substances 0.000 claims description 8
- 229910002804 graphite Inorganic materials 0.000 claims description 7
- 239000010439 graphite Substances 0.000 claims description 7
- 229910052596 spinel Inorganic materials 0.000 claims description 6
- 239000011029 spinel Substances 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 4
- 208000002925 dental caries Diseases 0.000 claims description 4
- 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 4
- 229910052863 mullite Inorganic materials 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 16
- 238000005245 sintering Methods 0.000 abstract description 8
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 230000009970 fire resistant effect Effects 0.000 abstract 3
- 238000013329 compounding Methods 0.000 abstract 1
- 238000003912 environmental pollution Methods 0.000 abstract 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 24
- 229910052757 nitrogen Inorganic materials 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000003763 carbonization Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 239000012299 nitrogen atmosphere Substances 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
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Abstract
The utility model discloses a cooling section device for producing a vanadium-nitrogen alloy through double pushed-slab kilns according to the one-step method. The cooling section device comprises a first cooling section, a second cooling section and a third cooling section, wherein the first cooling section, the second cooling section and the third cooling section are connected in sequence. The first cooling section comprises a rectangular-structure furnace body which is composed of an outer heat-preserving layer and an inner heat-preserving layer, and a fire-resistant layer is arranged in an inner cavity of the inner heat-preserving layer. The second cooling section comprises a rectangular-structure furnace body composed of a cooling layer, wherein a circulating water cooling layer is arranged on the outer side of the cooling layer. The two side walls of an inner cavity of the fire-resistant layer and the two side walls of an inner cavity of the cooling layer are kiln wall layers, and the top of the fire-resistant layer and the top of the cooling layer are kiln arched beams. The third cooling section comprises a rectangular-structure furnace body which is composed of the circulating water cooling layer. The bottoms of the inner cavities of the three furnace body sections are kiln rail layers. Furnace body shells and furnace body supports are arranged outside the furnace bodies. The height of the fracture section of a cavity of a kiln chamber of the first cooling section ranges from 380 mm to 400 mm, and the width of the fracture section of the cavity of the kiln chamber of the first cooling section ranges from 700 mm to 750 mm. The height of the fracture section of a cavity of a kiln chamber of the second cooling section ranges from 400 mm to 600 mm, and the width of the fracture section of the cavity of the kiln chamber of the second cooling section ranges from 700 mm to 750 mm. The height of the fracture section of a cavity of a kiln chamber of the third cooling section ranges from 400 mm to 600 mm, and the width of the fracture section of the cavity of the kiln chamber of the third cooling section ranges from 700 mm to 750 mm. According to the cooling section device for producing the vanadium-nitrogen alloy through the double pushed-slab kilns according to the one-step method, the automation degree is high, the quality of sintering products is stable, yield is high, energy consumption is low, environmental pollution is avoided, contact between people and materials is reduced, and the compounding requirement of the vanadium-nitrogen alloy is met.
Description
Technical field
The utility model relates to the device of producing VN alloy, particularly a kind of cooling section device that adopts the two pushed bat kilns of one-step method to produce VN alloy.
Background technology
For production process control and the coordinative composition of equipments of vanadium nitride, metallargist both domestic and external has done a large amount of development work, but eventually because production difficulty is large, with high content of technology, makes this technology fail to be used widely aspect automation application.What the producer of most domestic production vanadium nitride was generally used is nitrogen atmosphere protection list pushed bat kiln; and be still referred from the nitrogen atmosphere protection list pushed bat kiln of sintered magnetic material; its furnace kiln structure is simple; entirety kiln cavity configuration is the same with cross section with single pushed bat kiln of production vanadium nitride sintered magnetic material; cause the best sintering time that can not meet VN alloy completely; product quality uniformity is bad, and energy consumption is generally higher, and cost is high.Domestic and international traditional VN alloy is produced vacuum drying oven, coreless induction furnace, vertical heater, the single pushed bat kiln equal segments of mostly adopting of the same trade and is completed reduction, carbonization, nitrogenize, sintering and cooling stage at present.One, process yields is low, energy consumption is high; Its two, holding time is longer, causes and consumes stage by stage the energy, energy resource consumption is high and yield poorly.
Adopt the deficiency of single ejection plate kiln structure for traditional mode of production VN alloy, therefore, provide a kind of cooling section device that utilizes the two pushed bat kilns of one-step method to produce VN alloy to become current this area technical problem urgently to be resolved hurrily.
Utility model content
The purpose of this utility model is to provide utilizes two pushed bat kilns to produce the cooling section device of VN alloy, this device has solved product vanadium-nitrogen alloy sintering and has completed the structure problem that carries out cooling procedure, material is reduced to 150 ℃ of following processes from 1500 ℃, cooling rear end moves forward into a large amount of nitrogen, kiln chamber from small to large, design kiln chamber, utilizes large kiln cavity space to increase the contact area of nitrogen, utilizes the waste heat of VN alloy to contact fully with nitrogen, reach the effect of cooling, reduce power consumption.
The purpose of this utility model realizes by following technical proposals.
Utilize the two pushed bat kilns of one-step method to produce a cooling section device for VN alloy, comprise cooling one section, cooling two sections and cooling three sections that are connected successively;
Described cooling one section comprises the rectangular configuration body of heater being made up of external thermal insulation and inner thermal insulating layer, and inner thermal insulating layer inner chamber is provided with flame retardant coating, and flame retardant coating inner chamber two side is kiln parietal layer, and top is stove arched girder; Be through to body of heater inner chamber outward along sidewall of the furnace body and have a temperature thermocouple;
Described cooling two sections comprise the rectangular configuration body of heater being made up of cooling layer, and cooling layer outside is provided with circulating water layer, and inner chamber two side, cooling layer inner chamber two side is kiln parietal layer, and top is stove arched girder;
Described cooling three sections comprise the rectangular configuration body of heater being made up of circulating water layer;
Described cooling one section, cooling two sections and cooling three sections of body of heater intracavity bottoms are stove rail layer; The inner chamber of described rectangular configuration body of heater is firing chamber's cavity; Body of heater peripheral hardware body of heater shell, body of heater shell is located on body of heater bearing;
Described cooling one section of firing chamber's cavity section height is 380-400mm, and wide is 700-750mm; Cooling two sections of firing chamber's cavity section height are 400-600mm, and wide is 700-750mm; Cooling three sections of firing chamber's cavity section height are 400-600mm, and wide is 700-750mm.
Further, described cooling one section of external thermal insulation adopts two-layer fiberboard heat-insulation layer, and two-layer fiberboard insulation layer thickness is 50-100mm; External thermal insulation is located at respectively two sides of inner thermal insulating layer.
Further, described cooling one section of inner thermal insulating layer adopts the two-layer alumina bubble brick layer distributing successively from outside to inside, the poly-light layer structure of two-layer mullite, and each layer thickness is 50-80mm.
Further, described cooling one section of flame retardant coating adopts the poly-light layer of the corundum distributing successively from outside to inside, builds hollow ball layer, magnesium zirconia block layer and corundum brick layer structure, and each layer thickness is 50-150mm.
Further, described cooling one section of kiln parietal layer adopts corundum brick layer, magnesium zirconia block layer or electrode graphite piece layer, and wherein, kiln parietal layer thickness is 80-114mm; Cooling two sections of kiln parietal layers adopt corundum brick layer, magnesium zirconia block layer or aluminum-spinel layer.
Further, described stove arched girder adopts corundum brick, magnesium zirconia block or aluminum-spinel.
Further, described stove rail layer adopts corundum brick layer or electrode graphite layer.
Further, described cooling two-step cooling layer adopts the poly-light layer of three layers of corundum or builds hollow ball layer, each layer thickness 50mm to 80mm.
The beneficial effects of the utility model are:
1) due to the utility model according to sintering VN alloy at cooling stage, designed specific three sections of cooling section stove cross sections and met the needs of VN alloy cooling section, this cooling section can reach optimal spatial and meet the requirement in its cooling section space.Reach in best time range and obtain best quality, maximum production output, lowest energy consumption, the longest stove service life, really become the special stove of carbon cooling section of sintering VN alloy.
2) because cooling one section of firing chamber's cavity section height is 380-400mm, wide is 700-750mm; Cooling two sections of firing chamber's cavity section height are 400-600mm, and wide is 700-750mm; Cooling three sections of firing chamber's cavity section height are 400-600mm, and wide is 700-750mm; Three sections of cooling rear ends enter a large amount of nitrogen to cooling two sections and cooling one section, utilize large kiln cavity space to increase the contact area of nitrogen, utilize the heat of VN alloy to contact fully with nitrogen, reach UTILIZATION OF VESIDUAL HEAT IN; And make full use of the effect that nitrogen heat exchange is lowered the temperature, reduce power consumption.
3) because cooling one section of external thermal insulation adopts two-layer fiberboard heat-insulation layer, two-layer fiberboard insulation layer thickness is 50-100mm; External thermal insulation is located at respectively two sides of inner thermal insulating layer.Adopt this material high insulating effect under low temperature condition, cheap, meet stove instructions for use, reduce stove cost.
4) because cooling one section of inner thermal insulating layer adopts the two-layer alumina bubble brick layer distributing successively from outside to inside, the poly-light layer structure of two-layer mullite, each layer thickness is 50-80mm; It is high that it has purity, high temperature resistant, and pore is even, and thermal conductivity is low, protects the temperature unofficial biography of flame retardant coating, guarantees the feature of stove heat insulation effect.
5) because cooling one section of flame retardant coating adopts the poly-light layer of the corundum distributing successively from outside to inside, builds hollow ball layer, magnesium zirconia block layer and corundum brick layer structure, each layer thickness is 50-150mm; It has good chemical stability, and acidity or basic slag, metal and glass metal etc. are all had to stronger resistivity, and the corrosion-resistant property of dense product is good.
6) because cooling one section of kiln parietal layer adopts corundum brick layer or electrode graphite piece layer, wherein, kiln parietal layer thickness is 80-114mm; Cooling two sections of kiln parietal layers adopt corundum brick layer; It has good chemical stability, and there is corrosion-resistant property, high temperature resistant, good heat conductivity, the feature such as melting purity is high, corrosion resistance is strong and the life-span is long.
7) because stove arched girder adopts corundum brick; Fire resistive material product take corundum as principal crystalline phase has very high cold crushing strength (can reach 340MPa), and good chemical stability, and acidity or basic slag, metal and glass metal etc. are all had to stronger resistivity.Adopt corundum brick to do stove arched girder and meet stove rigidity and space increase, strengthen the nitrogen time of staying and time of contact, reach nitrogen heat exchange efficiency.
8) because cooling two-step cooling layer adopts the poly-light layer of three layers of corundum or builds hollow ball layer, each layer thickness 50mm to 80mm; Corundum is poly-gently have high temperature resistant, high thermal shock resistance, the characteristic such as intensity is high, and thermal conductivity factor is little.Cooling two sections adopt ultra-thin insulation material external adding water circulating cooling system cooling, can guarantee that stove shell and stove internal product cool.
The utility model is produced in the device of VN alloy at the two pushed bat kilns of one-step method of reduction, carbonization, nitrogenize, sintering, cooling synchronous reaction, design the furnace binding of cooling section, complete in vanadium-nitrogen alloy sintering and cooling products process for continuous one-step, can impel this stage cooling fully, even, complete, good product consistency, density is high, and more conventional economize on electricity 75% that output is high, energy consumption is low (4000 ℃/TVN), can realize suitability for industrialized production completely.
Accompanying drawing explanation
Fig. 1 is the cooling segment structure schematic diagram of the utility model.
Fig. 2 is the cooling two segment structure schematic diagrames of the utility model.
Fig. 3 is the cooling three-stage structure schematic diagram of the utility model.
In figure: 1, external thermal insulation; 2, inner thermal insulating layer; 3, flame retardant coating; 4, kiln parietal layer; 5, stove arched girder; 6, stove rail layer; 7, body of heater shell; 8, body of heater bearing; 9, firing chamber's cavity; 10, temperature thermocouple; 11, cooling layer; 12, circulating water layer.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described further.
As shown in Figure 1, Figure 2 and Figure 3, this utilizes the two pushed bat kilns of one-step method to produce the cooling section device of VN alloy, comprises cooling one section, cooling two sections and cooling three sections that are connected successively.
As shown in Figure 1, cooling one section comprises the rectangular configuration body of heater being made up of external thermal insulation 1 and inner thermal insulating layer 2, and inner thermal insulating layer 2 inner chambers are provided with flame retardant coating 3, and flame retardant coating 3 inner chamber two sides are kiln parietal layer 4, and top is stove arched girder 5, and bottom is stove rail layer 6; Form firing chamber's cavity 9 by described kiln parietal layer 4, stove arched girder 5 and stove rail layer 6; Be through to body of heater inner chamber outward along cooling primary reformer body sidewall and have a temperature thermocouple 10; Body of heater peripheral hardware body of heater shell 7, body of heater shell 7 is located on body of heater bearing 8; Cooling one section of firing chamber's cavity, 9 section height are 380-400mm, and wide is 700-750mm.
Wherein, cooling one section of external thermal insulation 1 adopts two-layer fiberboard heat-insulation layer, and two-layer fiberboard insulation layer thickness is 50-100mm; External thermal insulation 1 is located at respectively two sides of inner thermal insulating layer 2.
Inner thermal insulating layer 2 adopts the alumina bubble brick layer of two-layer 0.4 to 1.0 density distributing successively from outside to inside, the poly-light layer structure of two-layer mullite, and each layer thickness is 50-80mm.
Flame retardant coating 3 adopts the poly-light layer of the corundum distributing successively from outside to inside, builds hollow ball layer, magnesium zirconia block layer and corundum brick layer structure, and each layer thickness is 50-150mm, and material is 1.1 to 3.1 density.
It is 3.0 to 3.1 corundum brick layers, magnesium zirconia block layer or electrode graphite piece layer that kiln parietal layer 4 adopts density of material, and wherein, kiln parietal layer 4 thickness are 80-114mm; It is 3.0 to 3.1 corundum brick layers, magnesium zirconia block layer or aluminum-spinel layer that cooling two sections of kiln parietal layers 4 adopt material.
It is 3.0 to 3.1 corundum bricks, magnesium zirconia block, aluminum-spinel that stove arched girder 5 adopts density of material.
Cooling primary reformer body case 7 is wide: 1870mm, height: 1740mm, and adopting material is the processing of Q235 steel plate; It is the processing of Q235 steel plate that body of heater bearing 8 adopts material.
As shown in Figure 2, cooling two sections comprise the rectangular configuration body of heater being made up of cooling layer 11, and cooling layer 11 outsides are provided with circulating water layer 12, and cooling layer 9 inner chamber two sides, inner chamber two side are kiln parietal layer 4, and top is stove arched girder 5, and bottom is stove rail layer 6; Form firing chamber's cavity 9 by described kiln parietal layer 4, stove arched girder 5 and stove rail layer 6; Body of heater peripheral hardware body of heater shell 7, body of heater shell 7 is located on body of heater bearing 8; Cooling two sections of firing chamber's cavitys, 9 section height are 400-600mm, and wide is 700-750mm.
Cooling two-step cooling layer 11 adopts material to be the poly-light layer of three layers of corundum of 1.1 to 3.1 density or to build hollow ball layer, each layer thickness 50mm to 80mm.
It is the processing of Q235 steel plate that circulating water layer 12 adopts material; It is the processing of Q235 steel plate that body of heater shell 7: wide: 1370mm, height: 1310mm adopts material.
As shown in Figure 3, cooling three sections comprise the rectangular configuration body of heater being made up of circulating water layer 12, and the inner chamber of rectangular configuration body of heater is firing chamber's cavity 9; Cavity 9 belows in firing chamber's are stove rail layer 6; Body of heater peripheral hardware body of heater shell 7, body of heater shell 7 is located on body of heater bearing 8; Cooling three sections of firing chamber's cavitys, 9 section height are 400-600mm, and wide is 700-750mm.
Wherein, all to adopt material be 3.0 to 3.1 corundum brick layers or electrode graphite layer to three sections of cooling section stove rail layer 6.
Cooling three sections of body of heater shells 7: wide: it is the processing of Q235 steel plate that 1040mm, height: 950mm adopts material.
When work, material is from 1500 ℃ of processes that are progressively reduced to below 150 ℃, therefore kiln chamber from small to large, design kiln chamber, the one, cooling three ends enter a large amount of nitrogen to cooling two sections, one section, utilize large kiln cavity space to increase the contact area of nitrogen, utilize the waste heat heat of VN alloy to contact fully with nitrogen, reach the effect of thermal source utilization cooling, reduce power consumption, last cooling three sections are carried out water-cooled and reach outlet temperature lower than 150 degree.
Above content is in conjunction with concrete preferred embodiment further detailed description of the utility model; can not assert that the specific embodiment of the present utility model only limits to this; for the utility model person of an ordinary skill in the technical field; without departing from the concept of the premise utility; can also make some simple deduction or replace, all should be considered as belonging to the utility model and determine scope of patent protection by submitted to claims.
Claims (8)
1. utilize the two pushed bat kilns of one-step method to produce a cooling section device for VN alloy, it is characterized in that: comprise cooling one section, cooling two sections and cooling three sections that are connected successively;
Described cooling one section comprises the rectangular configuration body of heater being made up of external thermal insulation (1) and inner thermal insulating layer (2), and inner thermal insulating layer (2) inner chamber is provided with flame retardant coating (3), and flame retardant coating (3) inner chamber two side is kiln parietal layer (4), and top is stove arched girder (5); Be through to body of heater inner chamber outward along sidewall of the furnace body and have a temperature thermocouple (10);
Described cooling two sections comprise the rectangular configuration body of heater being made up of cooling layer (11), and cooling layer (11) outside is provided with circulating water layer (12), and inner chamber two side, cooling layer (11) inner chamber two side is kiln parietal layer (4), and top is stove arched girder (5);
Described cooling three sections comprise the rectangular configuration body of heater being made up of circulating water layer (12);
Described cooling one section, cooling two sections and cooling three sections of body of heater intracavity bottoms are stove rail layer (6); The inner chamber of described rectangular configuration body of heater is firing chamber's cavity (9); Body of heater peripheral hardware body of heater shell (7), body of heater shell (7) is located on body of heater bearing (8);
Described cooling one section of firing chamber's cavity (9) section height is 380-400mm, and wide is 700-750mm; Cooling two sections of firing chamber's cavitys (9) section height is 400-600mm, and wide is 700-750mm; Cooling three sections of firing chamber's cavitys (9) section height is 400-600mm, and wide is 700-750mm.
2. the cooling section device that utilizes the two pushed bat kilns of one-step method to produce VN alloy according to claim 1, is characterized in that: described cooling one section of external thermal insulation (1) adopts two-layer fiberboard heat-insulation layer, and two-layer fiberboard insulation layer thickness is 50-100mm; External thermal insulation (1) is located at respectively two sides of inner thermal insulating layer (2).
3. the cooling section device that utilizes the two pushed bat kilns of one-step method to produce VN alloy according to claim 1, it is characterized in that: described cooling one section of inner thermal insulating layer (2) adopts the two-layer alumina bubble brick layer distributing successively from outside to inside, the poly-light layer structure of two-layer mullite, and each layer thickness is 50-80mm.
4. the cooling section device that utilizes the two pushed bat kilns of one-step method to produce VN alloy according to claim 1, it is characterized in that: described cooling one section of flame retardant coating (3) adopts the poly-light layer of the corundum distributing successively from outside to inside, builds hollow ball layer, magnesium zirconia block layer and corundum brick layer structure, and each layer thickness is 50-150mm.
5. the cooling section device that utilizes the two pushed bat kilns of one-step method to produce VN alloy according to claim 1, it is characterized in that: described cooling one section of kiln parietal layer (4) adopts corundum brick layer, magnesium zirconia block layer or electrode graphite piece layer, wherein, kiln parietal layer (4) thickness is 80-114mm; Cooling two sections of kiln parietal layers (4) adopt corundum brick layer, magnesium zirconia block layer or aluminum-spinel layer.
6. the cooling section device that utilizes the two pushed bat kilns of one-step method to produce VN alloy according to claim 1, is characterized in that: described stove arched girder (5) adopts corundum brick, magnesium zirconia block or aluminum-spinel.
7. the cooling section device that utilizes the two pushed bat kilns of one-step method to produce VN alloy according to claim 1, is characterized in that: described stove rail layer (6) adopts corundum brick layer or electrode graphite layer.
8. the cooling section device that utilizes the two pushed bat kilns of one-step method to produce VN alloy according to claim 1, is characterized in that: described cooling two-step cooling layer (11) adopts the poly-light layer of three layers of corundum or builds hollow ball layer, each layer thickness 50mm to 80mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320774864.XU CN203657448U (en) | 2013-11-27 | 2013-11-27 | Cooling section device for producing vanadium-nitrogen alloy through double pushed-slab kilns according to one-step method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320774864.XU CN203657448U (en) | 2013-11-27 | 2013-11-27 | Cooling section device for producing vanadium-nitrogen alloy through double pushed-slab kilns according to one-step method |
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| CN203657448U true CN203657448U (en) | 2014-06-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108592623A (en) * | 2018-06-29 | 2018-09-28 | 宁夏昇力恒真空设备有限公司 | Plug-type composite thermal insulation device and high-temperature vacuum sintering furnace |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108592623A (en) * | 2018-06-29 | 2018-09-28 | 宁夏昇力恒真空设备有限公司 | Plug-type composite thermal insulation device and high-temperature vacuum sintering furnace |
| CN108592623B (en) * | 2018-06-29 | 2024-04-19 | 昇力恒(宁夏)真空科技股份公司 | Push-pull type combined heat preservation device and high-temperature vacuum sintering furnace |
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