CN209558884U - A kind of heat-resisting furnace wall of roller-bottom type tunnel heating furnace - Google Patents
A kind of heat-resisting furnace wall of roller-bottom type tunnel heating furnace Download PDFInfo
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- CN209558884U CN209558884U CN201822158035.4U CN201822158035U CN209558884U CN 209558884 U CN209558884 U CN 209558884U CN 201822158035 U CN201822158035 U CN 201822158035U CN 209558884 U CN209558884 U CN 209558884U
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Abstract
The utility model discloses a kind of heat-resisting furnace walls of roller-bottom type tunnel heating furnace to be divide into upper part and lower part heat resistant structure according to the difference for building intensity.Intensity needed for the heat resistant structure of top is low, using the splendid refractory fiber block of thermal insulation property, burner block is used at burner, burner block can bear localized hyperthermia at burner, be not easy to burn；Intensity needed for the heat resistant structure of lower part is higher, using heavy cast bed of material and clay brick, improves lower part overall structural strength, uses roll shaft brick at roll shaft, can resist the infringement of iron scale, be not easy to collapse breakage.Using the heat-resisting furnace wall structure of roller-bottom type tunnel provided by the utility model heating furnace, can greatly reduce roller-bottom type tunnel heating furnace blowing out and in repair number, fireproof construction repairing frequency is reduced to 5 years or more/times, effectively improves roller-bottom type tunnel heating furnace bulk life time.
Description
Technical field
The application belongs to heating-furnace wall construction technical field, and in particular to a kind of roller-bottom type tunnel heating furnace heat resistant furnace
Wall.
Background technique
Roller-bottom type tunnel heating furnace compared to traditional heating furnace such as walking beam furnace (burner hearth inner width be more than ten meters),
Furnace body is very long and narrow (burner hearth inner width about 2m), and heat dissipation area is big, needs better thermal insulation property.Roller-bottom type tunnel heating furnace furnace roof
Quality is small, and furnace wall support strength demand is low, therefore roller-bottom type tunnel heating furnace generally uses good heat insulating, anti-pressure ability at present
Relatively weak refractory fiber block fills furnace wall heat resistant structure.
Roller-bottom type tunnel heating furnace heat resistant structure domestic at present largely uses full refractory fibre structure, at burner by
It is easy to burn in localized hyperthermia.And in roller-way replacement, due to the infringement of iron scale, at roller-way, fiber block is easy to collapse,
So that heating furnace maintenance times rise significantly, just needs replacing or repair within 1 to 2 years, the whole service life of heating furnace is lower.
Summary of the invention
In order to solve the above technical problems, the utility model provides a kind of roller-bottom type tunnel heating furnace heat-resisting furnace wall, Ke Yi great
Width reduces the fireproof construction at roll shaft and burner and repairs frequency, to improve the whole service life of heating furnace.
Realize that technical solution used by the utility model aim is a kind of heat-resisting furnace wall of roller-bottom type tunnel heating furnace, packet
Top heat resistant structure and lower part heat resistant structure are included, the masonry intensity of the top heat resistant structure is less than the lower part heat resistant structure
Build intensity；
The top heat resistant structure includes refractory fiber block and the burner for installing roller-bottom type tunnel heating furnace
Burner block, the burner block are wrapped in around the burner, and the refractory fiber block is layed in its of the top heat resistant structure
Remaining position；
The lower part heat resistant structure includes heavy cast bed of material, clay brick and for installing roller-bottom type tunnel heating furnace
Roll shaft roll shaft brick, in which:
The heavy cast bed of material is poured by the heavy castable；
The clay brick is layed between the heavy cast bed of material and the furnace shell of roller-bottom type tunnel heating furnace；
The roll shaft brick is fixed in the heavy cast bed of material, and the roll shaft brick is wrapped in the roll shaft end week
It encloses.
Preferably, the top heat resistant structure further includes micropore thermal insulation board, and the micropore thermal insulation board is layed in the fire resisting
Between fiber block and the furnace shell.
Preferably, the top heat resistant structure further includes steel plate, the steel plate be layed in the micropore thermal insulation board with it is described
Between furnace shell.
Preferably, the steel plate is anchored in the furnace shell inner surface by holdfast.
Preferably, the lower part heat resistant structure further includes micropore thermal insulation board, and the micropore thermal insulation board is layed in the clay
Between brick and the furnace shell.
Preferably, the lower part heat resistant structure further includes calcium silicate board with microporous, the calcium silicate board with microporous be layed in the clay brick with it is described
Between micropore thermal insulation board.
Preferably, the lower part heat resistant structure further includes steel plate, the steel plate be layed in the micropore thermal insulation board with it is described
Between furnace shell.
Preferably, the steel plate is anchored in the furnace shell inner surface by holdfast.
Preferably, the lower part heat resistant structure further includes anchoring piece, and the anchoring piece runs through the heavy cast bed of material, and
And inner end is connect with the steel plate.
Preferably, the anchoring piece is specially anchored brick, and the inner end of the anchored brick is fixedly connected with the clay brick, and
And the inner end of the anchored brick is connect by connector with the steel plate.
As shown from the above technical solution, the heat-resisting furnace wall of roller-bottom type tunnel provided by the utility model heating furnace, according to masonry
The difference of intensity, is divide into upper part and lower part heat resistant structure.Intensity needed for the heat resistant structure of top is low, splendid using thermal insulation property
Refractory fiber block, uses burner block at burner, and burner block can bear localized hyperthermia at burner, be not easy to burn；Lower part is resistance to
Intensity needed for heat structure is higher, using heavy cast bed of material and clay brick, improves lower part overall structural strength, uses roller at roll shaft
Axis brick can resist the infringement of iron scale, be not easy to collapse breakage.
Using the heat-resisting furnace wall of roller-bottom type tunnel provided by the utility model heating furnace, roller-bottom type tunnel can be greatly reduced
The blowing out of heating furnace and in repair number, fireproof construction repairing frequency is reduced to 5 years or more/times, effectively improves roller-bottom type tunnel
Heating furnace bulk life time.
Detailed description of the invention
Fig. 1 is the main view of heating furnace heat-resisting furnace wall in roller-bottom type tunnel in the utility model embodiment；
Fig. 2 is the AA of Fig. 1 to sectional view；
Description of symbols: the top 100- heat resistant structure；The lower part 200- heat resistant structure；1- refractory fiber block, 2- burner block,
3- heavy cast bed of material, 4- anchoring piece, 5- roll shaft brick, 6- steel plate, 7- micropore thermal insulation board, 8- calcium silicate board with microporous, 9- clay brick, 10- connect
Fitting, 11- burner, 12- roll shaft, 13- furnace shell, 14- holdfast.
Specific embodiment
In order to make the application the technical staff in the technical field be more clearly understood that the application, with reference to the accompanying drawing,
Technical scheme is described in detail by specific embodiment.
In the utility model embodiment, referring to Fig. 1, a kind of heating furnace heat-resisting furnace wall in roller-bottom type tunnel is strong according to building
The difference of degree, is divide into upper part and lower part heat resistant structure, including top heat resistant structure 100 and lower part heat resistant structure 200, wherein on
The masonry intensity of portion's heat resistant structure 100 is less than the masonry intensity of lower part heat resistant structure 200.
In practical operation, it is heat-resisting top can be divided according to the burner 11 of roller-bottom type tunnel heating furnace and the position of roll shaft 12
Structure 100 and lower part heat resistant structure 200, reserve the thickness space of steel billet on roll shaft, resistance to as top using at height among it
The boundary of heat structure 100 and lower part heat resistant structure 200.Below to the tool of top heat resistant structure 100 and lower part heat resistant structure 200
Body structure is described in detail:
Referring to Fig. 1 and Fig. 2, top heat resistant structure 100 includes refractory fiber block 1, burner block 2, steel plate 6 and micropore thermal insulation board
7, wherein refractory fiber block 1 and burner block 2 are layed in furnace wall (interior) surface layer, directly contact with atmosphere is heated in burner hearth, steel plate 6
It is anchored in 13 inner surface of furnace shell by holdfast 14, the laying for fiber block 1, burner block 2 and micropore thermal insulation board 7 provides attachment,
13 structure of furnace shell is avoided excessively to be destroyed.
Refractory fiber block 1 has the characteristics that good heat insulating, light weight, Yi Genghuan, is laid on furnace wall (interior) surface layer and removes
Other positions outside burner block 2.
Burner block 2 is used to install the burner 11 of roller-bottom type tunnel heating furnace, and burner block 2 is wrapped in around burner 11, burner
Brick can bear localized hyperthermia at burner, be not easy to burn.
Micropore thermal insulation board 7 is layed between 1/ burner block 2 of refractory fiber block and steel plate 6, can effectively promote heat-insulated guarantor
Furnace shell wall temperature is greatly reduced in temp effect.
Referring to Fig. 1 and Fig. 2, lower part heat resistant structure 200 include heavy cast bed of material 3, anchoring piece 4, roll shaft brick 5, steel plate 6,
Micropore thermal insulation board 7, calcium silicate board with microporous 8 and clay brick 9, wherein heavy cast bed of material 3, anchoring piece 4 and roll shaft brick 5 are layed in furnace wall
(interior) surface layer is directly contacted with atmosphere is heated in burner hearth, and steel plate 6 is anchored in 13 inner surface of furnace shell by holdfast 14, steel plate 6 with it is upper
The steel plate of portion's heat resistant structure 100 is same steel plate, and the laying for micropore thermal insulation board 7, calcium silicate board with microporous 8 and clay brick 9 provides attachment
Object avoids 13 structure of furnace shell from excessively being destroyed.
Heavy cast bed of material 3 is poured by heavy castable, and the structural strength of heavy castable is high, can effectively be slowed down
Steel billet scratches furnace wall, and installing roll shaft back wall is not in the structure problems such as cracking.
Anchoring piece 4 is relied on to carry out load-bearing when heavy castable pours, in the present embodiment, anchoring piece 4 is specially anchored brick, anchoring
Brick runs through heavy cast bed of material 3, and the inner end (one end in insertion furnace wall) of anchored brick is fixedly connected with clay brick 9, and is anchored
The inner end of brick is connect by connector 10 with steel plate 6 and inner end is connect with steel plate 6.In the present embodiment, whole connector 10 is in U
Type, two-arm are separately fixed on the inner end and steel plate 6 of anchored brick.
Roll shaft brick 5 is used to install the roll shaft 12 of roller-bottom type tunnel heating furnace, and roll shaft brick 5 is fixed in heavy cast bed of material 3,
And roll shaft brick 5 is wrapped in 12 end perimeter of roll shaft, and roll shaft brick 5 can resist the infringement of iron scale, be not easy to collapse breakage.
Micropore thermal insulation board 7 is layed between steel plate 6 and clay brick 9, can effectively be promoted heat insulation and preservation effect, substantially be dropped
Low furnace shell wall temperature.
Carrying is big when due to the work of lower part heat resistant structure, and required intensity is higher, therefore one layer of silicon is laid with outside micropore thermal insulation board 7
Calcium plate 8, calcium silicate board with microporous 8 are layed between clay brick 9 and micropore thermal insulation board 7, for protecting micropore thermal insulation board, are caused when avoiding laying bricks
Damage.
Clay brick 9 is layed between heavy cast bed of material 3 and calcium silicate board with microporous 8, and auxiliary improves the whole strong of lower part heat resistant structure
Degree, i.e. lower part heat resistant structure by furnace to outside furnace successively are as follows: 3/ anchoring piece of heavy cast bed of material, 4/ roll shaft brick 5, clay brick 9, silicon
Calcium plate 8, micropore thermal insulation board 7, steel plate 6, furnace shell 13.
Through the foregoing embodiment, the utility model has the advantages that or advantage:
1) the heat-resisting furnace wall of roller-bottom type tunnel provided by the utility model heating furnace, according to the difference for building intensity, heat-resisting
Structure is divide into upper part and lower part.Intensity needed for the heat resistant structure of top is low, using the splendid refractory fiber block of thermal insulation property, in burner
Place uses burner block, and burner block can bear localized hyperthermia at burner, be not easy to burn；Intensity needed for the heat resistant structure of lower part compared with
Height is improved lower part overall structural strength, is used roll shaft brick at roll shaft, can resist oxygen using heavy cast bed of material and clay brick
Change the infringement of iron sheet, be not easy to collapse breakage.Using the heat-resisting furnace wall structure of roller-bottom type tunnel provided by the utility model heating furnace, energy
Enough greatly reduce roller-bottom type tunnel heating furnace blowing out and in repair number, fireproof construction repairing frequency be reduced to 5 years or more/
It is secondary, shutdown maintenance caused by phenomena such as heating furnace is burnt, part is collapsed is reduced, the accident for influencing the production of entire rolling line occurs,
Effectively improve roller-bottom type tunnel heating furnace bulk life time.
2) the heat-resisting furnace wall of roller-bottom type tunnel provided by the utility model heating furnace, (refractory fiber block, heavy pour the resistance to material of furnace wall
Material feeding layer, clay brick) with steel plate junction increase micropore thermal insulation board, thermal insulation property is more stronger than other structures, can be by furnace shell table
Face temperature is reduced to 40 DEG C hereinafter, to effectively improve the thermal energy utilization rate of roller-bottom type tunnel heating furnace by 80 DEG C, reduces heat
It can loss.
Although the preferred embodiment of the application has been described, but one of ordinary skilled in the art once knows substantially
Creative concept, then additional changes and modifications may be made to these embodiments.It is wrapped so the following claims are intended to be interpreted as
It includes preferred embodiment and falls into all change and modification of the application range.
Obviously, those skilled in the art can carry out various modification and variations without departing from the essence of the application to the application
Mind and range.In this way, if these modifications and variations of the application belong to the range of the claim of this application and its equivalent technologies
Within, then the application is also intended to include these modifications and variations.
Claims (10)
1. a kind of heat-resisting furnace wall of roller-bottom type tunnel heating furnace, it is characterised in that: including top heat resistant structure and lower part heat resistant structure,
The masonry intensity of the top heat resistant structure is less than the masonry intensity of the lower part heat resistant structure；
The top heat resistant structure includes the burner of refractory fiber block and the burner for installing roller-bottom type tunnel heating furnace
Brick, the burner block are wrapped in around the burner, and the refractory fiber block is layed in remaining position of the top heat resistant structure
It sets；
The lower part heat resistant structure includes heavy cast bed of material, clay brick and the roller for installing roller-bottom type tunnel heating furnace
The roll shaft brick of axis, in which:
The heavy cast bed of material is poured by the heavy castable；
The clay brick is layed between the heavy cast bed of material and the furnace shell of roller-bottom type tunnel heating furnace；
The roll shaft brick is fixed in the heavy cast bed of material, and the roll shaft brick is wrapped in the roll shaft end perimeter.
2. the heat-resisting furnace wall of roller-bottom type tunnel as described in claim 1 heating furnace, it is characterised in that: the top heat resistant structure is also
Including micropore thermal insulation board, the micropore thermal insulation board is layed between the refractory fiber block and the furnace shell.
3. the heat-resisting furnace wall of roller-bottom type tunnel as claimed in claim 2 heating furnace, it is characterised in that: the top heat resistant structure is also
Including steel plate, the steel plate is layed between the micropore thermal insulation board and the furnace shell.
4. the heat-resisting furnace wall of roller-bottom type tunnel as claimed in claim 3 heating furnace, it is characterised in that: the steel plate passes through holdfast anchor
It is fixed in the furnace shell inner surface.
5. the heat-resisting furnace wall of roller-bottom type tunnel according to any one of claims 1 to 4 heating furnace, it is characterised in that: under described
Portion's heat resistant structure further includes micropore thermal insulation board, and the micropore thermal insulation board is layed between the clay brick and the furnace shell.
6. the heat-resisting furnace wall of roller-bottom type tunnel as claimed in claim 5 heating furnace, it is characterised in that: the lower part heat resistant structure is also
Including calcium silicate board with microporous, the calcium silicate board with microporous is layed between the clay brick and the micropore thermal insulation board.
7. the heat-resisting furnace wall of roller-bottom type tunnel as claimed in claim 5 heating furnace, it is characterised in that: the lower part heat resistant structure is also
Including steel plate, the steel plate is layed between the micropore thermal insulation board and the furnace shell.
8. the heat-resisting furnace wall of roller-bottom type tunnel as claimed in claim 7 heating furnace, it is characterised in that: the steel plate passes through holdfast anchor
It is fixed in the furnace shell inner surface.
9. the heat-resisting furnace wall of roller-bottom type tunnel as claimed in claim 7 heating furnace, it is characterised in that: the lower part heat resistant structure is also
Including anchoring piece, the anchoring piece runs through the heavy cast bed of material, and inner end is connect with the steel plate.
10. the heat-resisting furnace wall of roller-bottom type tunnel as claimed in claim 9 heating furnace, it is characterised in that: the anchoring piece is specially
Anchored brick, the inner end of the anchored brick are fixedly connected with the clay brick, and the inner end of the anchored brick by connector with
The steel plate connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822158035.4U CN209558884U (en) | 2018-12-21 | 2018-12-21 | A kind of heat-resisting furnace wall of roller-bottom type tunnel heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822158035.4U CN209558884U (en) | 2018-12-21 | 2018-12-21 | A kind of heat-resisting furnace wall of roller-bottom type tunnel heating furnace |
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| Publication Number | Publication Date |
|---|---|
| CN209558884U true CN209558884U (en) | 2019-10-29 |
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ID=68303259
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822158035.4U Active CN209558884U (en) | 2018-12-21 | 2018-12-21 | A kind of heat-resisting furnace wall of roller-bottom type tunnel heating furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115321997A (en) * | 2022-08-30 | 2022-11-11 | 包头钢铁（集团）有限责任公司 | Method for manufacturing furnace roller bearing protection device of roller hearth type heating furnace by adopting mullite powder |
-
2018
- 2018-12-21 CN CN201822158035.4U patent/CN209558884U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115321997A (en) * | 2022-08-30 | 2022-11-11 | 包头钢铁（集团）有限责任公司 | Method for manufacturing furnace roller bearing protection device of roller hearth type heating furnace by adopting mullite powder |
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