CN202329167U - Anti-expansion composite fiber furnace lining and heating furnace with same - Google Patents
Anti-expansion composite fiber furnace lining and heating furnace with same Download PDFInfo
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- CN202329167U CN202329167U CN2011203968213U CN201120396821U CN202329167U CN 202329167 U CN202329167 U CN 202329167U CN 2011203968213 U CN2011203968213 U CN 2011203968213U CN 201120396821 U CN201120396821 U CN 201120396821U CN 202329167 U CN202329167 U CN 202329167U
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Abstract
The utility model discloses an anti-expansion composite fiber furnace lining and a heating furnace with the same. The anti-expansion composite fiber furnace lining is arranged on a furnace shell steel plate of a furnace body and comprises an inner fire-proof layer, a middle heat-insulating layer and an outer heat-isolating layer, wherein the inner fire-proof layer is a refractory material layer formed by jointing a plurality of refractory fiber modules; the middle heat-insulating layer is a refractory fiber blanket layer; the outer heat-isolating layer is a refractory fiber casting material layer; the outer heat-isolating layer, the middle heat-insulating layer and the inner fire-proof layer are fixedly connected onto the inner side of the furnace shell steel plate through fixed pieces; an absorption and expansion structure connected with a furnace shell beam of the heating furnace is arranged on the outer side of the furnace shell steel plate; and the composite fiber furnace lining is arranged on the inner side of the furnace shell steel plate of the heating furnace. The anti-expansion composite fiber furnace lining and the heating furnace have the advantages of good heat-preserving effect, insusceptibility to damage, stable structure, high safety, low maintenance cost, and simplicity in structure process, forming and assembling.
Description
Technical field
The utility model relates to the industrial furnace field, relates in particular to a kind of anti-expansion composite fibre furnace lining that is arranged on the furnace shell inboard, and the heating furnace with this composite fibre furnace lining.
Background technology
At present, existing industrial furnace, for example steel billet heats walking-beam furnace, and its furnace lining can be divided into vertical furnace lining and horizontal furnace lining by structure.Fig. 1, Fig. 2 are respectively existing vertical furnace lining part section structural representation, and existing horizontal furnace lining part section structural representation.As shown in Figure 1; Its vertical furnace lining that is arranged on all sides in its furnace shell steel plate usually adopts successively the structure setting of from the inside to the outside pours 105, light-weight brick 103 and fiberboard 102; A side of the internal face of furnace shell steel plate 101 is fixed in material feeding 105 through anchored brick 104; Light-weight brick 103 and fiberboard 102 are fixedly arranged between pours 105 and furnace shell steel plate 101, to reach the effect of heat-insulation and heat-preservation.As shown in Figure 2; Be arranged on the structure that the interior horizontal furnace lining of furnace shell steel plate adopts pours 205, tapetum fibrosum 203 and fibre castable 202 usually; Pours 205, tapetum fibrosum 203 and fibre castable 202 are fixing through anchored brick 204, and anchored brick 204 is hung on the furnace roof hanging beam 201.
The weak point of above-mentioned vertical furnace lining and horizontal furnace lining is:
1, because the pours of existing furnace lining adopts heavy refractory materials such as castable refractory usually, and its bulk density is relatively large, thermal conductivity factor is big; Insulation effect is poor; Therefore industrial furnace is big at the heat that heats up, cooling absorbs in operating, and causes body of heater huyashi-chuuka (cold chinese-style noodles) temperature high, brings the serious waste of the energy.
2, owing to be provided with the furnace lining structure of heavy pours in the body of heater, increased the load of body of heater, in horizontal furnace lining, used to be prone to cause construction crack.
3, simultaneously, because the pours expanded by heating, the long-term use can be caused the interior wall of body of heater to expand outward, expand within the walls outward, even influenced the stability of furnace binding, brings certain potential safety hazard to production.
Because the defective that above-mentioned existing industrial furnace liner exists; The design people is based on being engaged in this type of product design manufacturing abundant for many years practical experience and professional knowledge; And the utilization of cooperation scientific principle; Actively study innovation; In the hope of found a kind of high insulating effect, reduce weight, the interior wall that reduces body of heater expands outward, the influence of expanding within the walls, improve structural stability outward, and not fragile, structure processing, be shaped and the simple anti-expansion composite fibre furnace lining of assembling, and heating furnace with this composite fibre furnace lining.
Prior art:
101-furnace shell steel plate; The 102-fiberboard; The 103-light-weight brick; The 104-anchored brick; The 105-material feeding;
201-furnace roof hanging beam; The 202-fibre castable; The 203-tapetum fibrosum; The 204-anchored brick; The 205-pours.
The utility model:
The outer thermal insulation layer (refractory fibre pouring material layer) of 1-; Heat insulation layer (refractory fiber blanket layer) in the middle of the 2-; 3-internal layer flame retardant coating (refractory masses); 4-furnace shell steel plate; 5-anchoring hook; The 6-anchoring piece; 7-refractory fibre module; The 8-reinforcement; 9-furnace shell fine strain of millet; The 10-bolt hole; The 11-bolt hole.
The utility model content
The interior wall that the purpose of the utility model provides a kind of high insulating effect, reduce weight, reduce body of heater expands outward, the influence of expanding within the walls, improve structural stability outward, and not fragile, structure processing, is shaped and the simple anti-expansion composite fibre furnace lining of assembling.
For achieving the above object, the utility model proposes a kind of anti-expansion composite fibre furnace lining, is arranged on the furnace shell steel plate of body of heater of heating furnace, and said heating furnace has furnace shell fine strain of millet, and said anti-expansion composite fibre furnace lining comprises:
The internal layer flame retardant coating, the refractory masses that is bonded with each other and forms by several refractory fibre modules;
Middle heat insulation layer is the refractory fiber blanket layer;
Outer thermal insulation layer is the refractory fibre pouring material layer;
Described internal layer flame retardant coating, middle heat insulation layer and outer thermal insulation layer are fixedly connected on furnace shell steel plate inboard through fixture, are provided with the absorption expansion structure that is connected with the furnace shell fine strain of millet of heating furnace in the said furnace shell steel plate outside.
Aforesaid anti-expansion composite fibre furnace lining; Wherein, Said absorption expansion structure comprises a plurality of reinforcements, a side of said reinforcement and the welding of said furnace shell steel plate outer wall, and its opposite side and said furnace shell fine strain of millet are connected through the bolt hole of bolt with contraposition each other; The bolt hole of said mutual contraposition is opened in respectively on the end and the corresponding position of said furnace shell fine strain of millet of said reinforcement; Said bolt hole is a slotted hole, and in the said bolt hole of said bolt-through mutual contraposition on said reinforcement and said furnace shell fine strain of millet, and said bolt can move along the hole wall of said bolt hole.
Aforesaid anti-expansion composite fibre furnace lining, wherein, the axis of the bolt hole of said reinforcement is in the axial setting of said reinforcement, and the major axis of the bolt hole on the said furnace shell fine strain of millet is along the axial setting perpendicular to said reinforcement.
Aforesaid anti-expansion composite fibre furnace lining, wherein, described fixture comprises:
Anchoring piece is fixedly arranged on said internal layer flame retardant coating, and runs through middle heat insulation layer and outer thermal insulation layer, and welds with said furnace shell steel plate;
The anchoring hook is fixedly arranged in the described outer thermal insulation layer, one of which end and the welding of said furnace shell steel plate.
Aforesaid anti-expansion composite fibre furnace lining, wherein, said anchoring hook is V-type hook or Y type drift bolt.
Aforesaid anti-expansion composite fibre furnace lining, wherein, described refractory fibre module is processed by ceramic fibre material.
Aforesaid anti-expansion composite fibre furnace lining, wherein, said ceramic fibre material is a zirconium aluminium composite ceramics fibrous material.
Aforesaid anti-expansion composite fibre furnace lining, wherein, said ceramic fibre material is the polycrystalline mullite ceramic fibre material.
Another purpose of the utility model provides a kind of heating furnace with above-mentioned anti-expansion composite fibre furnace lining.
The utility model has also proposed a kind of heating furnace, comprises body of heater, and this heating furnace has aforesaid anti-expansion composite fibre furnace lining.
Compared with prior art, the utlity model has following characteristics and advantage:
1, the anti-expansion composite fibre furnace lining of the utility model, high insulating effect reduces the furnace lining radiation loss; Show that according to test the outer surface of furnace shell can temperature reduce by 30 ℃, thereby can significantly reduce fuel cost; Increase economic efficiency, have the extensive value on the industry.
2, the anti-expansion composite fibre furnace lining of the utility model; Furnace lining adopts the refractory fibre module; Its thermal coefficient of expansion is little, compares with effect and serviceability that other existing furnace linings can reach, and the furnace lining integral body of the utility model is more stablized, is not easy to damage, maintenance cost is little.
3, the anti-expansion composite fibre furnace lining of the utility model; Adopt the refractory fibre module to be bonded with each other through one one; Formation covers in the inboard refractory masses of furnace shell steel plate, and its structure processing, shaping and assembling are simple, easy to maintenance; Can be applicable to level and vertical furnace wall, be suitable for extensively promoting the use of in this area.
4, the utility model is provided with the absorption expansion structure between furnace shell fine strain of millet and furnace shell steel plate, in order to absorb the expansion that the composite fibre furnace lining at high temperature causes, makes furnace lining structure durable in use.
Description of drawings
Following accompanying drawing only is intended to the utility model is done schematic illustration and explanation, does not limit the scope of the utility model.Wherein,
Fig. 1 is existing vertical furnace lining part section structural representation;
Fig. 2 is existing horizontal furnace lining part section structural representation;
Fig. 3 is the biopsy cavity marker devices sketch map of the anti-expansion composite fibre furnace lining of the utility model;
Fig. 4 is the absorption expansion structure sketch map of the utility model;
Fig. 5 is the biopsy cavity marker devices sketch map of the utility model heating furnace.
Description of reference numerals:
The specific embodiment
Understand for technical characterictic, purpose and effect to the utility model have more clearly, contrast the specific embodiment of description of drawings the utility model at present.
Please refer to Fig. 3, Fig. 4, be respectively the biopsy cavity marker devices sketch map of the anti-expansion composite fibre furnace lining of the utility model and the absorption expansion structure sketch map of the utility model.As shown in the figure; The utility model proposes a kind of anti-expansion composite fibre furnace lining; Be arranged on the furnace shell steel plate of body of heater of heating furnace; Heating furnace has furnace shell fine strain of millet, and said anti-expansion composite fibre furnace lining comprises outer thermal insulation layer 1, middle heat insulation layer 2 and internal layer flame retardant coating 3, and its ectomesoderm thermal insulation layer 1 is the refractory fibre pouring material layer; Middle heat insulation layer 2 is the refractory fiber blanket layer; Internal layer flame retardant coating 3 refractory masses that several refractory fibre modules 7 are bonded with each other and form of serving as reasons.Said internal layer flame retardant coating 3, middle heat insulation layer 2 and outer thermal insulation layer 1 are fixedly connected on furnace shell steel plate 4 inboards through fixture, between the furnace shell fine strain of millet 9 of said furnace shell steel plate 4 outsides and heating furnace, are provided with the absorption expansion structure.
The internal layer flame retardant coating 3 of the utility model is a refractory masses, constitutes the counter-fire face of furnace lining, and refractory fibre module 7 adopts ceramic fibre materials, and it is in light weight, heatproof is high, can alleviate the kiln load, prolong body of heater service life.And, the low heat conductivity of refractory fibre module 7, heat loss is few, has improved the insulation effect of furnace lining greatly.
The middle heat insulation layer 2 of the utility model adopts the refractory fiber blanket layer; Refractory fiber blanket has flexibility and elasticity; Therefore refractory fiber blanket can be filled up refractory fibre pouring material layer 1 surface and go up the recessed outstanding uneven place that occurs, and it is more tight to make that refractory fibre pouring material layer 1 combines with refractory masses 3.And; Be heated or cool off when deforming at refractory masses 3 and refractory fibre pouring material layer 1; Have flexible and flexible refractory fiber blanket 2 can be so that the unlikely slit that occurs between refractory masses 3 and the refractory fibre pouring material layer 1, reduced distortion because of furnace shell steel plate 4 and caused that the interior wall of body of heater expands, bloated within the walls defective outward outward.And refractory fiber blanket 2 cracky not, after installing, whole stove is not fragile when being hit vibration.
The utility model is provided with the absorption expansion structure between the furnace shell fine strain of millet 9 of said furnace shell steel plate 4 outsides and heating furnace.This absorption expansion structure can further be alleviated the interior wall defective bloated, that expand within the walls that causes body of heater because of the distortion of furnace shell steel plate 4 outward outward, thereby guarantees the security of furnace binding.Specifically; As shown in Figure 4; Said absorption expansion structure comprises a plurality of reinforcements 8, and a side of said reinforcement 8 and the welding of said furnace shell steel plate 4 outer walls are fixing, and its opposite side and said furnace shell fine strain of millet 9 are connected through the bolt hole 10,11 of bolt (not shown) with contraposition each other; The said bolt hole 10,11 of contraposition is opened in respectively on the end and said furnace shell fine strain of millet 9 corresponding positions of said reinforcement 8 each other; Said bolt hole 10,11 is slotted hole, and the aperture of bolt hole 10,11 is slightly larger than the diameter of said bolt, and said bolt-through is on reinforcement 8 and furnace shell fine strain of millet 9 mutually in the said bolt hole 10,11 of contraposition; When 4 distortion of furnace shell steel plate; Bolt can move with respect to the hole wall of said bolt hole 10,11, makes can produce relative displacement between reinforcement 8 and the furnace shell fine strain of millet 9, thereby has alleviated the influence of furnace shell steel plate 4 deformation forces to furnace construction effectively; Reduce the interior wall degree bloated, that expand within the walls of body of heater outward outward, thereby increased substantially the security and stability of furnace binding.
Further, as shown in Figure 4, the bolt hole 10 of said reinforcement 8 and the bolt hole 11 on the furnace shell fine strain of millet 9 are slotted hole.The major axis of the bolt hole 10 of said reinforcement 8 is along the axial setting that is parallel to said reinforcement 8; And the major axis of the bolt hole 11 on the said furnace shell fine strain of millet 9 is along perpendicular to the axial setting of said reinforcement 8, the said reinforcement 8 of axis of the slotted hole of promptly offering on the reinforcement 8 axially, and the slotted hole on the said furnace shell fine strain of millet 9 is perpendicular to the axial setting of said reinforcement 8; Make bolt hole 10 and bolt hole 11 be cross-shaped setting like this; Bolt can be through the position of this right-angled intersection point, when furnace shell steel plate 4 deforms, and can be according to the practical distortion situation; Bolt can move along the hole wall of bolt hole 10,11; Make to produce relative displacement between reinforcement 8 and the furnace shell fine strain of millet 9,, make furnace lining structure durable in use in order to absorb the expansion that the composite fibre furnace lining at high temperature causes.
Further; As shown in Figure 3; The fixture of the utility model comprises anchoring piece 6 and anchoring hook 5; Anchoring piece 6 is fixedly arranged in the refractory masses 3, and it is fixing to run through refractory fiber blanket 2, refractory fibre pouring material layer 1 back and 4 welding of furnace shell steel plate, and it is fixing to make refractory masses 3, refractory fiber blanket 2 and refractory fibre pouring material layer 1 be connected with furnace shell steel plate 4; Anchoring hook 5 is embedded in the refractory fibre pouring material layer 1, and an end of anchoring hook 5 is side-prominent towards furnace shell steel plate 4 one, and this jag and 4 welding of furnace shell steel plate are fixing, and it is fixing to make refractory fibre pouring material layer 1 be connected with furnace shell steel plate 4.Anchoring hook 5 can adopt V-type hook or Y type drift bolt etc., and perhaps other is suitable for the fixture of welding between refractory fibre pouring material layer 1 and the furnace shell steel plate 4.When anchoring hook 5 adopts the V-type hooks, be its bottom with the bending place of V-type hook, this bottom is side-prominent and fix with 4 welding of furnace shell steel plate towards furnace shell steel plate 4 one.The utility model is through anchoring piece 6 and anchoring hook 5 and 4 welding of furnace shell steel plate; Make by being connected between refractory masses 3, refractory fiber blanket layer 2 and refractory fibre pouring material layer 1 and the furnace shell steel plate 4 more firm; Difficult drop-off has in use prolonged service life of body of heater.
Further, described refractory fibre module 7 is processed by ceramic fibre material.In the utility model; Ceramic fibre material can be selected existing zirconium aluminium composite ceramics fiber or polycrystalline mullite ceramic fibre for use; Wherein the concrete component and the manufacturing approach of zirconium aluminium composite ceramics fiber or polycrystalline mullite ceramic fibre are prior art, no longer are described in detail at this.When said ceramic fibre material is zirconium aluminium composite ceramics fiber, applicable to furnace temperature≤1300 ℃ heating furnace; When said ceramic fibre material is the polycrystalline mullite ceramic fibre, applicable to furnace temperature 1300 ℃～1400 ℃ heating furnace.
Fig. 5 is the biopsy cavity marker devices sketch map of the heating furnace with anti-expansion composite fibre furnace lining of the utility model.As shown in Figure 5, the utility model has also proposed a kind of heating furnace with anti-expansion composite fibre furnace lining, comprises body of heater, furnace shell fine strain of millet 9 and furnace shell steel plate 4, is provided with anti-expansion composite fibre furnace lining in furnace shell steel plate 4 inboards.It is identical with beneficial effect with anti-other structures of expansion composite fibre furnace lining, operation principle among Fig. 3 and Fig. 4, repeats no more at this.
In sum, in the anti-expansion composite fibre furnace lining of the utility model, refractory masses adopts the refractory fibre module, has substituted heavy pours of the prior art, has light specific gravity, and the characteristics that thermal conductivity factor is little have improved heat-insulating property; Thermal insulation layer has substituted fiberboard of the prior art with the fibre pouring bed of material, has the tight characteristics of sealing; Simultaneously, refractory masses is fixed through metal anchorage, substitutes anchored brick of the prior art, has reduced thermal conductive surface, thereby has reduced the temperature of furnace shell outer surface.And the utility model is provided with the absorption expansion structure between furnace shell fine strain of millet and furnace shell steel plate, in order to absorb the expansion that the composite fibre furnace lining at high temperature causes, makes furnace lining structure durable in use.The thermal expansion of the utility model composite fibre furnace lining is little, and the furnace lining sealing is tight, high insulating effect, and the resistance to overturning of whole furnace lining is good, and prolong service life, and radiation loss is little, has favorable economic benefit.
The above is merely the schematic specific embodiment of the utility model, is not in order to limit the scope of the utility model.Any those skilled in the art, equivalent variations of under the prerequisite of design that does not break away from the utility model and principle, having done and modification all should belong to the scope that the utility model is protected.
Claims (9)
1. anti-expansion composite fibre furnace lining is arranged on the furnace shell steel plate of body of heater of heating furnace, and said heating furnace has furnace shell fine strain of millet, it is characterized in that, said anti-expansion composite fibre furnace lining comprises:
The internal layer flame retardant coating, the refractory masses that is bonded with each other and forms by several refractory fibre modules;
Middle heat insulation layer is the refractory fiber blanket layer;
Outer thermal insulation layer is the refractory fibre pouring material layer;
Described internal layer flame retardant coating, middle heat insulation layer and outer thermal insulation layer are fixedly connected on furnace shell steel plate inboard through fixture, are provided with the absorption expansion structure that is connected with the furnace shell fine strain of millet of heating furnace in the said furnace shell steel plate outside.
2. anti-expansion composite fibre furnace lining as claimed in claim 1; It is characterized in that; Said absorption expansion structure comprises a plurality of reinforcements, a side of said reinforcement and the welding of said furnace shell steel plate outer wall, and its opposite side and said furnace shell fine strain of millet are connected through the bolt hole of bolt with contraposition each other; The bolt hole of said mutual contraposition is opened in respectively on the end and the corresponding position of said furnace shell fine strain of millet of said reinforcement; Said bolt hole is a slotted hole, and in the said bolt hole of said bolt-through mutual contraposition on said reinforcement and said furnace shell fine strain of millet, and said bolt can move along the hole wall of said bolt hole.
3. anti-expansion composite fibre furnace lining as claimed in claim 2 is characterized in that, the axis of the bolt hole of said reinforcement is in the axial setting of said reinforcement, and the major axis of the bolt hole on the said furnace shell fine strain of millet is along the axial setting perpendicular to said reinforcement.
4. anti-expansion composite fibre furnace lining as claimed in claim 1 is characterized in that described fixture comprises:
Anchoring piece is fixedly arranged on said internal layer flame retardant coating, and runs through middle heat insulation layer and outer thermal insulation layer, and welds with said furnace shell steel plate;
The anchoring hook is fixedly arranged in the described outer thermal insulation layer, one of which end and the welding of said furnace shell steel plate.
5. anti-expansion composite fibre furnace lining as claimed in claim 4 is characterized in that, said anchoring hook is V-type hook or Y type drift bolt.
6. anti-expansion composite fibre furnace lining as claimed in claim 1 is characterized in that described refractory fibre module is processed by ceramic fibre material.
7. anti-expansion composite fibre furnace lining as claimed in claim 6 is characterized in that, said ceramic fibre material is a zirconium aluminium composite ceramics fibrous material.
8. anti-expansion composite fibre furnace lining as claimed in claim 6 is characterized in that said ceramic fibre material is the polycrystalline mullite ceramic fibre material.
9. a heating furnace comprises body of heater, it is characterized in that, this heating furnace has like each described anti-expansion composite fibre furnace lining in the claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203968213U CN202329167U (en) | 2011-10-18 | 2011-10-18 | Anti-expansion composite fiber furnace lining and heating furnace with same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203968213U CN202329167U (en) | 2011-10-18 | 2011-10-18 | Anti-expansion composite fiber furnace lining and heating furnace with same |
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| CN202329167U true CN202329167U (en) | 2012-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011203968213U Expired - Lifetime CN202329167U (en) | 2011-10-18 | 2011-10-18 | Anti-expansion composite fiber furnace lining and heating furnace with same |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102944114A (en) * | 2012-12-11 | 2013-02-27 | 开泰镁业有限公司 | Large-scale suspension-type reducing furnace with flat roof |
| CN103383191A (en) * | 2013-07-22 | 2013-11-06 | 洛阳洛华窑业有限公司 | Die used for anti-cracking brasque and method for preparing lining of kiln |
| CN103697703A (en) * | 2012-09-27 | 2014-04-02 | 明光市通力工业电炉有限责任公司 | Heating and insulating device of annealing furnace |
| CN104792179A (en) * | 2015-04-13 | 2015-07-22 | 吉林炭素有限公司 | Dry material heating furnace liner and brick laying method thereof |
| CN104956172A (en) * | 2013-01-29 | 2015-09-30 | 新日铁住金株式会社 | Monolithic refractory structure |
| CN105526803A (en) * | 2016-01-27 | 2016-04-27 | 江苏南方节能科技有限公司 | Flat plate heat accumulating type furnace top |
| CN107123446A (en) * | 2017-06-08 | 2017-09-01 | 清华大学天津高端装备研究院 | A kind of ADS heaps top heat-proof device and nuclear reactor |
| CN107796000A (en) * | 2017-11-29 | 2018-03-13 | 北京神雾电力科技有限公司 | A kind of furnace roof access cover for possessing seal and heat insulating ability |
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2011
- 2011-10-18 CN CN2011203968213U patent/CN202329167U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103697703A (en) * | 2012-09-27 | 2014-04-02 | 明光市通力工业电炉有限责任公司 | Heating and insulating device of annealing furnace |
| CN102944114A (en) * | 2012-12-11 | 2013-02-27 | 开泰镁业有限公司 | Large-scale suspension-type reducing furnace with flat roof |
| CN104956172A (en) * | 2013-01-29 | 2015-09-30 | 新日铁住金株式会社 | Monolithic refractory structure |
| CN104956172B (en) * | 2013-01-29 | 2017-08-29 | 新日铁住金株式会社 | Unsetting refractory body tectosome |
| US10247478B2 (en) | 2013-01-29 | 2019-04-02 | Nippon Steel & Sumitomo Metal Corporation | Monolithic refractory structure |
| CN103383191A (en) * | 2013-07-22 | 2013-11-06 | 洛阳洛华窑业有限公司 | Die used for anti-cracking brasque and method for preparing lining of kiln |
| CN103383191B (en) * | 2013-07-22 | 2016-01-06 | 洛阳洛华窑业有限公司 | A kind of anticracking furnace lining mould and use it to prepare the method for stove liner |
| CN104792179A (en) * | 2015-04-13 | 2015-07-22 | 吉林炭素有限公司 | Dry material heating furnace liner and brick laying method thereof |
| CN104792179B (en) * | 2015-04-13 | 2017-01-04 | 吉林炭素有限公司 | A kind of siccative oven inner liner and building method thereof |
| CN105526803A (en) * | 2016-01-27 | 2016-04-27 | 江苏南方节能科技有限公司 | Flat plate heat accumulating type furnace top |
| CN107123446A (en) * | 2017-06-08 | 2017-09-01 | 清华大学天津高端装备研究院 | A kind of ADS heaps top heat-proof device and nuclear reactor |
| CN107796000A (en) * | 2017-11-29 | 2018-03-13 | 北京神雾电力科技有限公司 | A kind of furnace roof access cover for possessing seal and heat insulating ability |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120711 |
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| CX01 | Expiry of patent term |