CN106871645A - A kind of soaking furnace lid refractory material rapid constructing method - Google Patents
A kind of soaking furnace lid refractory material rapid constructing method Download PDFInfo
- Publication number
- CN106871645A CN106871645A CN201710036686.3A CN201710036686A CN106871645A CN 106871645 A CN106871645 A CN 106871645A CN 201710036686 A CN201710036686 A CN 201710036686A CN 106871645 A CN106871645 A CN 106871645A
- Authority
- CN
- China
- Prior art keywords
- bell
- prefabricated
- furnace lid
- soaking furnace
- refractory
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000002791 soaking Methods 0.000 title claims abstract description 21
- 239000011819 refractory material Substances 0.000 title claims abstract description 16
- 239000011449 brick Substances 0.000 claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 15
- 238000010276 construction Methods 0.000 claims abstract description 15
- 239000010959 steel Substances 0.000 claims abstract description 15
- 238000004873 anchoring Methods 0.000 claims abstract description 9
- 238000001816 cooling Methods 0.000 claims abstract description 3
- 238000007789 sealing Methods 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 7
- 229910052863 mullite Inorganic materials 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 6
- 239000000446 fuel Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000005266 casting Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000000149 penetrating Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/16—Making or repairing linings increasing the durability of linings or breaking away linings
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/70—Furnaces for ingots, i.e. soaking pits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/18—Door frames; Doors, lids, removable covers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/16—Making or repairing linings increasing the durability of linings or breaking away linings
- F27D2001/1605—Repairing linings
Abstract
The present invention discloses a kind of soaking furnace lid refractory material rapid constructing method, for the rapid construction and repairing of soaking furnace lid refractory lining.Technical scheme：(4) filled with wet inserts in the bell prefabricated section of refractory material (2) rectangular configuration, first half dimensional contraction, the gap that the first half occurs after assembly；The bell prefabricated section (2) every piece of cast when two pieces of anchored bricks are installed (5), (2) (5) anchored brick be higher by bell prefabricated section, and (3) anchored brick top (5) is hung on bell steel construction shaped steel (1) by anchoring hook；There is scaling loss and comes off one or a few in soaking furnace lid refractory lining, and bell prefabricated section is headed into upwards (2) in bottom after offline cooling, is (5) (3) fixed with anchoring hook with anchored brick, and sealing is (4) expected with wet inserts in gap.The beneficial effect of the inventive method：Can quickly integral installation construction and can quick sectional repair, greatly reduce maintenance cost；Baker fuel consumption is reduced, the turnover rate of bell is improved, the quantity of standby bell is reduced.
Description
Technical field
The present invention relates to a kind of soaking furnace lid refractory material rapid constructing method, the repairing of soaking furnace lid can be reduced
Expense and time.
Background technology
The soaking pit that rough rolling mill of steel mill has more than ten is used for Heating Steel Ingots, and soaking furnace lid is due to frequently opening and moving
It is dynamic, make refractory lining frequently rapid heat cycle and the vibrations appearance damage of bell, then because the characteristic of refractory material is new and old
Cannot be combined closely between material, the bell flame retardant coating especially hung is thinning if there is localized delamination, cannot repair, only
Just placed under repair when can occur penetrating hole when continuing to come off；And bell castable refractory liner is in use for some time
Fine crack can internally occur, the refractory lining of surrounding can be all destroyed when carrying out partial dismantling using existing construction means,
Cause to repair area expansion, so it is actually highly difficult to carry out local repair.
Present method for maintaining be scaling loss or the refractory material overall pulling down that comes off, it is then integrated poured with castable refractory
Construction, needs the time demoulding after pouring, toasted according to the baking process of castable refractory afterwards, baking time one
As be 7 days~10 days.The refractory lining of each bell needs castable 10t or so, while needing 180 pieces or so of anchored brick, anchor
Gu 360, hook, repairs just up to 40,000 yuan of bell refractory lining only Master Cost every time, add operating expenses and baking is costly
Up to 100,000 yuan.There is the soaking pit of 14 or so general rough rolling mill, and the life-span of each soaking furnace lid refractory lining is about 1
Year, the maintenance of annual soaking furnace lid refractory lining is at 1,400,000 yuan or so.
The content of the invention
The present invention discloses a kind of soaking furnace lid refractory material rapid constructing method, for soaking furnace lid refractory lining
Rapid construction and repairing, and maintenance cost is reduced, reduce maintenance time.
Perform technical scheme：A kind of bell prefabricated section of refractory material (2) rectangular configuration is designed, first half dimensional contraction is spelled
(4) filled with wet inserts in the gap that the first half occurs after dress；The bell prefabricated section installs two pieces of anchored bricks when (2) every piece is poured into a mould
(5), (2) (5) anchored brick be higher by bell prefabricated section, and (3) anchored brick top (5) hang the type in bell steel construction (1) by anchoring hook
On steel；Material uses light mullite pouring material, be baked to after shaping 800 DEG C it is standby.
There is scaling loss and comes off one or a few in soaking furnace lid refractory lining, and bell is headed into upwards after cooling down offline in bottom
(3) (5) (2) bell prefabricated section, fixed with anchored brick with anchoring hook, and sealing is (4) expected with wet inserts in gap.
The beneficial effect of the method for the invention：Can quickly integral installation construction and can quick sectional repair, repairing
Amount only accounts for 1/the tens of all repairings, greatly reduces maintenance cost；Complete to dry in a pre-installation due to bell prefabricated section
It is roasting, than the time for directly shortening baking 7 days with castable refractory casting and constructing, baker fuel consumption is reduced, improve the week of bell
Rate of rotation, reduces the quantity of standby bell, remarkable in economical benefits.
Brief description of the drawings
Fig. 1 is schematic diagram after soaking furnace lid construction；
Fig. 2 is the structural representation of bell refractory material prefabricated block.
Icon explanation：Bell steel construction 1, bell prefabricated section 2, anchoring hook 3, wet inserts 4, anchored brick 5.
Specific embodiment
A kind of bell prefabricated section 2 (see Fig. 1, Fig. 2) of refractory material is designed, both can quickly integral installation construction and can be with
Quick local repair.As shown in figure 1, refractory material bell prefabricated section 2 uses light mullite pouring material, baking is concentrated after shaping
It is standby to 800 DEG C；Bell prefabricated section 2 is rectangular configuration, and first half dimensional contraction, the gap that the first half occurs after assembly is filled out with wet
Charge 4 is filled；Every piece of bell prefabricated section 2 installs two pieces of anchored bricks 5 when making cast, and anchored brick 5 is higher by bell prefabricated section 2, anchor
Gu the top of brick 5 is hung on the shaped steel of bell steel construction 1 by anchoring hook 3.Because bell prefabricated section 2 is complete in a pre-installation
Into baking, than directly shortening baking time 7 days with castable refractory casting and constructing, the turnover rate of bell is improved, reduce standby boiler
The quantity of lid.
When bell refractory lining is constructed using bell prefabricated section 2 for the first time, bell steel construction 1 is supported certain altitude, people
Member is risen bell prefabricated section 2 and is hung on the shaped steel of bell steel construction 1 with anchoring hook 3 in bottom, and every piece of stove is noted during installation
Two anchored bricks 5 (as shown in Figure 2) on lid prefabricated section 2, it is necessary on a root type steel, filled out with wet after whole installations
Charge 4 fills up filling irrigating sealant, and filler uses light mullite pouring material.
Baker fuel consumption is reduced, each bell can reduce about 16800m3Natural gas；Because bell refractory lining is installed
Can come into operation afterwards reduces furnace drying time；The turnover rate 15% or so of bell is improved, before the quantity of the standby bell of reduction
14 stoves need standby 7 bells, and requirement is fully met now with 6.
Claims (4)
1. a kind of soaking furnace lid refractory material rapid constructing method, it is characterised in that：The soaking furnace lid is by rectangular configuration
(2) component assembly is constituted bell prefabricated section；The bell prefabricated section (2) first half dimensional contraction；(2) every piece of the bell prefabricated section
Two pieces of anchored bricks are installed (5) during cast, (2) (5) anchored brick be higher by bell prefabricated section, and (3) anchored brick top (5) hung by anchoring hook
Hang on bell steel construction shaped steel (1).
2. a kind of soaking furnace lid refractory material rapid constructing method according to claim 1, it is characterised in that：The bell
Prefabricated section (2) assembly after the first half occur gap (4) filled with wet inserts.
3. a kind of soaking furnace lid refractory material rapid constructing method according to claim 1 or claim 2, it is characterised in that：It is described
Bell prefabricated section (2) material use light mullite pouring material, be baked to after shaping 800 DEG C it is standby.
4. a kind of soaking furnace lid refractory material rapid constructing method according to claim 1 or claim 2, it is characterised in that：It is described
Bell prefabricated section (2) component occur scaling loss come off one or a few when, it is prefabricated that bell in bottom heads into bell after cooling upwards offline
(3) (5) (2) block, fixed with anchored brick with anchoring hook, and sealing is (4) expected with wet inserts in gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710036686.3A CN106871645A (en) | 2017-01-18 | 2017-01-18 | A kind of soaking furnace lid refractory material rapid constructing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710036686.3A CN106871645A (en) | 2017-01-18 | 2017-01-18 | A kind of soaking furnace lid refractory material rapid constructing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106871645A true CN106871645A (en) | 2017-06-20 |
Family
ID=59158741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710036686.3A Pending CN106871645A (en) | 2017-01-18 | 2017-01-18 | A kind of soaking furnace lid refractory material rapid constructing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106871645A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111121465A (en) * | 2020-01-07 | 2020-05-08 | 山东柯信新材料有限公司 | Method for preparing furnace cover of anhydrous cold electric melting corundum smelting furnace |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2742002A (en) * | 1952-09-02 | 1956-04-17 | George P Reintjes | Sealing shoe for furnaces |
| DE1152718B (en) * | 1955-10-17 | 1963-08-14 | Oesterr Amerikan Magnesit | Basic hanging ceilings with insulation for metallurgical ovens and furnaces |
| CN2482674Y (en) * | 2001-06-25 | 2002-03-20 | 长沙冶金设计研究院 | Reinforcement and brick combined refractory prefabricated section |
| CN203489667U (en) * | 2013-09-16 | 2014-03-19 | 刘明 | Top structure of communication flame path of open type annular roasting furnace |
| CN203501785U (en) * | 2013-06-25 | 2014-03-26 | 中冶华天工程技术有限公司 | Suspended precast block and one-piece casting combined furnace top construction |
-
2017
- 2017-01-18 CN CN201710036686.3A patent/CN106871645A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2742002A (en) * | 1952-09-02 | 1956-04-17 | George P Reintjes | Sealing shoe for furnaces |
| DE1152718B (en) * | 1955-10-17 | 1963-08-14 | Oesterr Amerikan Magnesit | Basic hanging ceilings with insulation for metallurgical ovens and furnaces |
| CN2482674Y (en) * | 2001-06-25 | 2002-03-20 | 长沙冶金设计研究院 | Reinforcement and brick combined refractory prefabricated section |
| CN203501785U (en) * | 2013-06-25 | 2014-03-26 | 中冶华天工程技术有限公司 | Suspended precast block and one-piece casting combined furnace top construction |
| CN203489667U (en) * | 2013-09-16 | 2014-03-19 | 刘明 | Top structure of communication flame path of open type annular roasting furnace |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111121465A (en) * | 2020-01-07 | 2020-05-08 | 山东柯信新材料有限公司 | Method for preparing furnace cover of anhydrous cold electric melting corundum smelting furnace |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170620 |