CN202928360U - Interlocking ceramic furnace liner for industrial furnace of iron and steel plant - Google Patents
Interlocking ceramic furnace liner for industrial furnace of iron and steel plant Download PDFInfo
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- CN202928360U CN202928360U CN 201220633310 CN201220633310U CN202928360U CN 202928360 U CN202928360 U CN 202928360U CN 201220633310 CN201220633310 CN 201220633310 CN 201220633310 U CN201220633310 U CN 201220633310U CN 202928360 U CN202928360 U CN 202928360U
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Abstract
The utility model relates to an interlocking ceramic furnace liner for an industrial furnace of an iron and steel plant and belongs to the technical field of the industrial furnace of the iron and steel plant. The furnace liner structurally comprises three layers, namely, a working heat surface layer, a middle heat-insulating layer and a heat-insulating layer, wherein the middle heat-insulating layer is arranged behind the working heat surface layer; the working heat surface layer and the middle heat-insulating layer are adhered by using a ceramic adhesive; the middle heat-insulating layer and the heat-insulating layer are also adhered by using the ceramic adhesive; the working heat surface layer is arranged along the length and width directions of a furnace steel structure (2); T-shaped locking bricks (5) are arranged at 200-300mm intervals along the length direction and at 500-550mm intervals along the width direction; one ends of the T-shaped locking bricks (5) are fixedly arranged on the furnace steel structure (2) by using hanging bolts (3); grooves in C-shaped locking rail plates (6) are interlocked with the side walls of the T-shaped locking bricks (5); and ceramic plates (7) are inserted into each two rows of the C-shaped locking rail plates (6). The interlocking ceramic furnace liner has the advantages that the structure is light and is easy to exchange, the dosage of a refractory material of the furnace liner of the industrial furnace is greatly reduced and the cost is saved.
Description
Technical field
The utility model belongs to steel factory industrial furnace kiln technical field, particularly relates to a kind of steel factory industrial furnace kiln interlocking ceramic furnace lining.
Background technology
The energy and environment problem is brought restricted impact to the fast development of iron and steel enterprise, and energy-saving and cost-reducing is the inevitable choice of technological progress in enterprises and sustainable development.Industrial furnace is the crucial Thermal Equipment of iron and steel heating, is widely used in steel plant.Industrial furnace is again the big power consumer, and its energy consumption accounts for 25% of national total energy consumption, accounts for industrial total energy consumption approximately 60%.In the energy-conservation process of industrial furnace, stove inner lining structure and stove have decisive influence with the quality of capabilities of refractory materials to the energy-saving effect of Industrial Stoves.Be the severe challenge of reply Energy situation, the Energy Saving for Industrial Furnace consumption reduction is the inexorable trend of development.Steel plant are numerous with industrial furnace stove kind, and 800～1450 ℃ of most of stove atmosphere temperatures according to different fire box temperatures, are selected different refractory linings.For traditional industry stove furnace lining, refractory lining generally is comprised of flame retardant coating (working lining) and insulating lining.Flame retardant coating is comprised of castable refractory or refractory brick usually, and the more use of insulating lining is thermal insulation board such as calcium silicate board and ceramic beaverboard or light-weight brick, lightening casting material etc.The furnace lining heaviness and the amount of stored heat that form thus are large, not only waste material but also waste energy.
Summary of the invention
The utility model purpose is to provide a kind of steel factory industrial furnace kiln interlocking ceramic furnace lining, has solved the problem of body of heater lighting, simultaneously again in the situation that keep same refractoriness degree and effect of heat insulation, the reduction lining thickness.Have good energy-saving and cost-reducing advantage, effectively reduce simultaneously the thickness of furnace lining, greatly reduce the practical total amount of refractory material, make simultaneously the furnace binding lightness.
Furnace lining structure of the present utility model comprises working heat surface layer, intermediate thermal insulating layer, thermal insulation layer (by furnace binding 2), totally 3 layers; Be intermediate thermal insulating layer after the working heat surface layer, bonding with vitrified bonding between working heat surface layer and intermediate thermal insulating layer; Intermediate thermal insulating layer and thermal insulation layer also adopt vitrified bonding bonding.The working heat surface layer is arranged in length and the width of furnace binding 2, press length direction spacing 200～300mm, width spacing 500～550mm and arrange T-shaped neck brick 5, T-shaped neck brick 5 one ends are fixed on furnace binding 2 with hanger bolt 3, groove on C type lock rail plate 6 and the 5 side interlockings of T-shaped neck brick are inserted ceramic wafer 7 between every two row C type lock rail plates 6.
C type lock rail plate structure described in the utility model is: " C " template shape structure, and thickness 20～30mm, length 450mm, width 210mm has " C " type groove at the inoperative hot side.
The structure of T-shaped neck brick described in the utility model is: the hollow structure of falling the T-shape, and height 300mm, width is 100mm, and 2～3 through holes are opened in the centre, and screw rod penetrates T-shaped neck brick.
The size 400mm of ceramic wafer described in the utility model * 420mm;
Intermediate thermal insulating layer described in the utility model is formed by stacking by 4 layers of thick ceramic fiber blanket of 25mm; Thermal insulation layer is formed by stacking by 6 layers of thick ceramic fiber blanket of 25mm, or is formed by stacking by the calcium silicate board with microporous of 800 ℃ of the thick tolerances of 4 layers of 25mm.
The tolerable temperature of ceramic fiber blanket described in the utility model is 1000～1260 ℃.
T-shaped neck brick described in the utility model is the mullite material, and C type lock rail plate is ceramic material.
The utlity model has following advantages:
Traditional industry stove stove liner adopts castable refractory as refractory layer, and when fire box temperature was 1350～1450 ℃, total furnace wall thickness was greater than 430mm, and the utility model is in same fire box temperature, and at same external wall temperature, gross thickness is reduced to 250～280mm.
For a same industrial furnace stove, the utility model furnace lining is because the weight of refractory material significantly reduces, furnace binding is lightness significantly, can save 30%～40% steel on the basis of traditional industry stove steel construction total amount, greatly reduce the refractory material consumption of industrial furnace furnace lining.
For traditional industry stove liner, in when maintenance, need to remove castable, and pouring construction again, working procedure is complicated, and is after damaging appears in weak effect after repairing, the utility model, can be fast worse wherein one or get final product the special ceramics plate and get final product, easy to maintenance.
The utlity model has obvious economy, quality, environmental benefit, have wide marketing prospect.
Description of drawings
Fig. 1 is structural representation of the present utility model.Wherein, furnace wall and furnace roof steel plate 1, furnace binding 2, hanger bolt 3, ceramic fiber blanket 4, T-shaped neck brick 5, C type lock rail plate 6, special ceramics plate 7.
The Specific construction mode
Furnace lining structure of the present utility model comprises working heat surface layer, intermediate thermal insulating layer, thermal insulation layer (by furnace binding 2), totally 3 layers; Be intermediate thermal insulating layer after the working heat surface layer, bonding with vitrified bonding between working heat surface layer and intermediate thermal insulating layer; Intermediate thermal insulating layer and thermal insulation layer also adopt vitrified bonding bonding.The working heat surface layer is arranged in length and the width of furnace binding 2, press length direction spacing 200～300mm, width spacing 500～550mm and arrange T-shaped neck brick 5, T-shaped neck brick 5 one ends are fixed on furnace binding 2 with hanger bolt 3, groove on C type lock rail plate 6 and the 5 side interlockings of T-shaped neck brick are inserted ceramic wafer 7 between every two row C type lock rail plates 6.
The utility model is applied to be divided into 800～1350 ℃ of stove furnace lining structures and 1350～1450 ℃ of stove furnace lining structures according to temperature in steel plant's most of thermal technology's heating furnace kiln liner.
The structure of T-shaped neck brick is: the hollow structure of falling the T-shape, and height 300mm, width is 100mm, 2～3 through holes, mullite material are opened in the centre.
C type lock rail plate structure is: " C " template shape structure, and thickness 20mm, length 450mm, width 210mm has " C " type groove at the inoperative hot side, should lock rail plate and T-shaped neck brick formation interlocking structure by " C " type, and be ceramic material.
Be designed with elongated hollow via-hole in T-shaped neck brick, screw rod penetrates T-shaped neck brick, carries out bolt with T-shaped neck brick and fixes, and the other end adopts screw rod to be connected with furnace binding.
T-shaped neck brick, C type lock rail plate, ceramic wafer are split-type structural, are fixed on industrial furnace side wall and furnace roof through interlocking structure.
For 1350～1450 ℃ of stove furnace linings, the utility model furnace lining structure technical scheme is as follows: the working heat surface layer is combined by C type lock rail plate and ceramic wafer, and thickness is 20～30mm, every size 400mm * 420mm of ceramic wafer.Intermediate thermal insulating layer is thick by 4 layers of 25mm, the ceramic fiber blanket of 1260 ℃ of tolerances is formed by stacking.Thermal insulation layer is thick by 6 layers of 25mm, the ceramic fiber blanket of 1000 ℃ of tolerances is formed by stacking.
For the industrial furnace of furnace temperature at 800～1350 ℃, the utility model furnace lining structure is analogous to 1350～1450 ℃ of furnace lining structures of above-mentioned furnace temperature, and just the ceramic fiber blanket of 1000 ℃ of its intermediate thermal insulating layer, tolerances thick by 4 layers of 25mm is formed by stacking.Thermal insulation layer is thick by 4 layers of 25mm, the calcium silicate board with microporous of 800 ℃ of tolerances is formed by stacking.
Concrete construction method of the present utility model.When industrial furnace stove side wall is installed, after furnace binding is installed end, hanger bolt 3 one ends are connected with bolt for steel structure, other end connecting T-shaped neck brick 5 simultaneously, after neck brick installs, adjust the size of neck brick, C type lock rail plate 6 is installed, the lock rail is adjusted levelness, perpendicularity, to be adjusted complete after, special ceramics plate 7 is installed.After the complete special ceramics plate of integral installation, fill intermediate thermal insulating layer ceramic fiber blanket and outermost thermal insulation layer ceramic fiber blanket 4 after backing, finally sealed body of heater exterior wall steel plate 1, industrial furnace furnace lining structure are installed and are finished.
It should be noted that at last: obviously, above-mentioned example is only for the utility model example clearly is described, but not to the restriction of embodiment.For those of ordinary skill in the field, can also make on the basis of the above description other multi-form change or variation.Here need not also can't give all embodiments exhaustive.And the apparent variation of amplifying thus or change still are among protection domain of the present utility model.
Claims (7)
1. a steel factory industrial furnace kiln interlocking ceramic furnace lining, is characterized in that, this furnace lining structure comprises working heat surface layer, intermediate thermal insulating layer, thermal insulation layer, is intermediate thermal insulating layer after the working heat surface layer, and is bonding with vitrified bonding between working heat surface layer and intermediate thermal insulating layer; Intermediate thermal insulating layer and thermal insulation layer also adopt vitrified bonding bonding; The working heat surface layer is arranged length and the width of furnace binding (2), press length direction spacing 200～300mm, width spacing 500～550mm and arrange T-shaped neck brick (5), T-shaped neck brick (5) one ends are fixed on furnace binding (2) with hanger bolt (3), groove on C type lock rail plate (6) and T-shaped neck brick (5) side interlocking are inserted ceramic wafer (7) between every two row's C type lock rail plates (6).
2. interlocking ceramic furnace lining as claimed in claim 1, is characterized in that, described C type lock rail plate structure is: " C " template shape structure, and thickness 20～30mm, length 450mm, width 210mm has " C " type groove at the inoperative hot side
3. interlocking ceramic furnace lining as claimed in claim 1, is characterized in that, the structure of described T-shaped neck brick is: the hollow structure of falling the T-shape, and height 300mm, width is 100mm, and 2～3 through holes are opened in the centre, and screw rod penetrates T-shaped neck brick.
4. interlocking ceramic furnace lining as claimed in claim 1, is characterized in that, the size 400mm of described ceramic wafer * 420mm;
5. interlocking ceramic furnace lining as claimed in claim 1, is characterized in that, described intermediate thermal insulating layer is formed by stacking by 4 layers of thick ceramic fiber blanket of 25mm; Thermal insulation layer is formed by stacking by 6 layers of thick ceramic fiber blanket of 25mm, or is formed by stacking by the calcium silicate board with microporous of 800 ℃ of the thick tolerances of 4 layers of 25mm.
6. interlocking ceramic furnace lining as claimed in claim 5, is characterized in that, the tolerable temperature of described ceramic fiber blanket is 1000～1260 ℃.
7. interlocking ceramic furnace lining as claimed in claim 1, is characterized in that, described T-shaped neck brick is the mullite material, and C type lock rail plate is ceramic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220633310 CN202928360U (en) | 2012-11-26 | 2012-11-26 | Interlocking ceramic furnace liner for industrial furnace of iron and steel plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220633310 CN202928360U (en) | 2012-11-26 | 2012-11-26 | Interlocking ceramic furnace liner for industrial furnace of iron and steel plant |
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| Publication Number | Publication Date |
|---|---|
| CN202928360U true CN202928360U (en) | 2013-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220633310 Expired - Fee Related CN202928360U (en) | 2012-11-26 | 2012-11-26 | Interlocking ceramic furnace liner for industrial furnace of iron and steel plant |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106196075A (en) * | 2016-07-25 | 2016-12-07 | 宜兴市中环耐火材料有限公司 | A kind of incinerator garbage inlet furnace wall mounting structure |
| CN106323005A (en) * | 2016-08-31 | 2017-01-11 | 合肥恒力装备有限公司 | Building method for heat insulation materials on top of hearth |
| CN111238235A (en) * | 2020-01-15 | 2020-06-05 | 青岛龙翔精密工业有限公司 | Sintering furnace for lithium ion battery material production |
| WO2021047268A1 (en) * | 2019-09-10 | 2021-03-18 | 日上(苏州)轻化纺高科技有限公司 | Modular structure wall body for high-temperature heating furnace and mounting method |
-
2012
- 2012-11-26 CN CN 201220633310 patent/CN202928360U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106196075A (en) * | 2016-07-25 | 2016-12-07 | 宜兴市中环耐火材料有限公司 | A kind of incinerator garbage inlet furnace wall mounting structure |
| CN106196075B (en) * | 2016-07-25 | 2018-11-23 | 宜兴市中环耐火材料有限公司 | A kind of waste incinerator garbage inlet furnace wall mounting structure |
| CN106323005A (en) * | 2016-08-31 | 2017-01-11 | 合肥恒力装备有限公司 | Building method for heat insulation materials on top of hearth |
| WO2021047268A1 (en) * | 2019-09-10 | 2021-03-18 | 日上(苏州)轻化纺高科技有限公司 | Modular structure wall body for high-temperature heating furnace and mounting method |
| CN111238235A (en) * | 2020-01-15 | 2020-06-05 | 青岛龙翔精密工业有限公司 | Sintering furnace for lithium ion battery material production |
| CN111238235B (en) * | 2020-01-15 | 2022-10-11 | 青岛龙迪碳材料科技有限公司 | Sintering furnace for lithium ion battery material production |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20151126 |