CN220552267U - Detachable structure of furnace bottom of step-type heating furnace - Google Patents
Detachable structure of furnace bottom of step-type heating furnace Download PDFInfo
- Publication number
- CN220552267U CN220552267U CN202322135400.0U CN202322135400U CN220552267U CN 220552267 U CN220552267 U CN 220552267U CN 202322135400 U CN202322135400 U CN 202322135400U CN 220552267 U CN220552267 U CN 220552267U
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- Prior art keywords
- heat
- steel sleeper
- resistant steel
- resistant
- furnace
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 80
- 239000010959 steel Substances 0.000 claims abstract description 80
- 241001669679 Eleotris Species 0.000 claims abstract description 66
- 239000002131 composite material Substances 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 17
- 238000005266 casting Methods 0.000 claims description 16
- 239000000835 fiber Substances 0.000 claims description 9
- 238000010276 construction Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Landscapes
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
Abstract
The utility model relates to the technical field of heating furnaces, in particular to a detachable structure of a furnace bottom of a stepping heating furnace, which comprises a furnace bottom steel plate and heat-resistant steel sleeper, wherein a plurality of heat-resistant steel sleeper supporting legs are fixedly connected to the furnace bottom steel plate, a composite furnace lining is filled between the heat-resistant steel sleeper supporting legs, a high-strength temperature-resistant precast block is sleeved at the top end of each heat-resistant steel sleeper supporting leg, the high-strength temperature-resistant precast block is arranged above the composite furnace lining, a clamping block is fixedly connected to the inner side of the top end of each heat-resistant steel sleeper supporting leg, splicing columns are fixedly connected to the bottoms of the two ends of each heat-resistant steel sleeper, a limiting block is fixedly connected to one side of each splicing column, each splicing column is spliced in each heat-resistant steel sleeper supporting leg, and the limiting block can move to the lower part of the clamping block; when the heat-resistant steel sleeper is replaced, the heat-resistant steel sleeper is moved, the limiting block is staggered with the clamping block, then the heat-resistant steel sleeper is moved upwards, the plug-in column is separated from the heat-resistant steel sleeper supporting leg, and then the heat-resistant steel sleeper is sleeved below the high-strength heat-resistant precast block by using a steel wire and is moved out of the heat-resistant steel sleeper supporting leg; the utility model has convenient maintenance, time saving and cost saving.
Description
Technical Field
The utility model relates to the technical field of heating furnaces, in particular to a furnace bottom detachable structure of a stepping heating furnace.
Background
The step-by-step heating furnace is a heating device for heating copper ingot to rolling temperature according to technological requirement and providing hot copper ingot for rolling mill. The copper ingot heating furnace has the advantages that the use frequency is particularly high, the requirements of frequent furnace shutdown and furnace opening on the thermal shock resistance of refractory materials are particularly high, after 3-4 years of use, the heat-resistant steel sleeper contacted with the copper ingot is in a high-temperature heating state for a long time and is also subjected to certain abrasion and oxidation, the furnace bottom is removed no matter the refractory materials are damaged or the heat-resistant steel sleeper is damaged, the maintenance period is long, the investment is large, the furnace baking time is about 1 month, the long-time production stopping is required, so that great inconvenience is brought to equipment use factories, normal goods supply is influenced, and the cost is particularly high.
Disclosure of Invention
The utility model aims to provide a detachable structure of a furnace bottom of a step-type heating furnace, which is convenient to maintain, time-saving and cost-saving.
In order to achieve the above object, the technical scheme of the present utility model is as follows:
the utility model provides a detachable construction of step-type heating furnace stove bottom, includes stove bottom steel sheet and heat-resistant steel sleeper, fixedly connected with a plurality of heat-resistant steel sleeper landing legs on the stove bottom steel sheet, it has the compound furnace lining to fill between the heat-resistant steel sleeper landing leg, the top cover of heat-resistant steel sleeper landing leg is equipped with high-strength temperature resistant prefabricated section, high-strength temperature resistant prefabricated section is located compound furnace lining top, the inboard fixedly connected with fixture block in top of heat-resistant steel sleeper landing leg, the equal fixedly connected with spliced pole in both ends bottom of heat-resistant steel sleeper, spliced pole and heat-resistant steel sleeper landing leg one-to-one, one side fixedly connected with stopper of spliced pole, spliced pole is pegged graft in the heat-resistant steel sleeper landing leg, the stopper is movable to the fixture block below.
Further, the composite furnace lining comprises a light casting material and a refractory fiber felt, wherein the light casting material is cast between the bottoms of the heat-resistant steel sleeper supporting legs, and the refractory fiber felt is filled between the light casting material and the furnace wall.
Further, the novel high-strength high-temperature-resistant prefabricated section also comprises a special-shaped prefabricated section, wherein the special-shaped prefabricated section is arranged between the light pouring material and the high-strength high-temperature-resistant prefabricated section.
Compared with the prior art, the utility model has the beneficial effects that:
when the heat-resistant steel sleeper is replaced, the heat-resistant steel sleeper is moved, the limiting block is staggered with the clamping block, then the heat-resistant steel sleeper is moved upwards, the plug-in column is separated from the heat-resistant steel sleeper supporting leg, and then the heat-resistant steel sleeper is sleeved below the high-strength heat-resistant precast block by using a steel wire and is moved out of the heat-resistant steel sleeper supporting leg; hoisting a new high-strength temperature-resistant precast block above the heat-resistant steel sleeper supporting legs through the steel wire sleeve, then inserting the inserting columns on the new heat-resistant steel sleeper into the corresponding heat-resistant steel sleeper supporting legs, translating the heat-resistant steel sleeper, and moving the limiting block to the position right below the clamping block when the heat-resistant steel sleeper is translated, so that the heat-resistant steel sleeper and the high-strength temperature-resistant precast block are replaced; the utility model has convenient maintenance, time saving and cost saving.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a cross-sectional view of fig. 1.
1. A hearth steel sheet; 2. a heat-resistant steel sleeper; 3. a heat-resistant steel sleeper supporting leg; 4. high-strength temperature-resistant precast blocks; 5. a clamping block; 6. a plug-in column; 7. a limiting block; 8. light casting materials; 9. a refractory fiber blanket; 10. and (5) a special-shaped prefabricated block.
Detailed Description
As shown in fig. 1 and 2, a detachable structure of a step heating furnace bottom comprises a furnace bottom steel plate 1 and heat-resistant steel sleeper legs 2, wherein a plurality of heat-resistant steel sleeper legs 3 are fixedly connected to the furnace bottom steel plate 1, a composite furnace lining is filled between the heat-resistant steel sleeper legs 3, a high-strength temperature-resistant precast block 4 is sleeved at the top end of each heat-resistant steel sleeper leg 3, the high-strength temperature-resistant precast block 4 is arranged above the composite furnace lining, clamping blocks 5 are fixedly connected to the inner sides of the top ends of the heat-resistant steel sleeper legs 3, splicing columns 6 are fixedly connected to the bottoms of the two ends of each heat-resistant steel sleeper 2, the splicing columns 6 are in one-to-one correspondence with the heat-resistant steel sleeper legs 3, limiting blocks 7 are fixedly connected to one sides of the splicing columns 6, and the splicing columns 6 are spliced in the heat-resistant steel sleeper legs 3, and the limiting blocks 7 can move to the lower parts of the clamping blocks 5.
When the heat-resistant steel sleeper is replaced, the heat-resistant steel sleeper 2 is moved, the limiting block 7 is staggered with the clamping block 5, then the heat-resistant steel sleeper 2 is moved upwards, the plug-in column 6 is separated from the heat-resistant steel sleeper supporting leg 3, and then the steel wire is sleeved below the high-strength heat-resistant precast block 4 and is moved out of the heat-resistant steel sleeper supporting leg 3; hoisting a new high-strength temperature-resistant precast block 4 above the heat-resistant steel sleeper supporting legs 3 through a steel wire sleeve, then plugging a plug-in column 6 on the new heat-resistant steel sleeper 2 into the corresponding heat-resistant steel sleeper supporting leg 3, and moving a limiting block 7 to be right below a clamping block 5 when translating the heat-resistant steel sleeper 2, so as to finish the replacement of the heat-resistant steel sleeper 2 and the high-strength temperature-resistant precast block 4; the utility model has convenient maintenance, time saving and cost saving.
The composite furnace lining comprises a light casting material 8 and a refractory fiber felt 9, wherein the light casting material 8 is cast between the bottoms of the heat-resistant steel sleeper supporting legs 3, and the refractory fiber felt 9 is filled between the light casting material 8 and the furnace wall; the heat preservation effect is enhanced and the heat efficiency is improved by arranging the light casting material 8 and the refractory fiber felt 9, and the expansion treatment is carried out through the refractory fiber felt 9, so that the heating expansion and the cracking of the light casting material 8 are avoided.
The novel high-strength high-temperature-resistant prefabricated section comprises a lightweight casting material 8, and further comprises a special-shaped prefabricated section 10, wherein the special-shaped prefabricated section 10 is arranged between the lightweight casting material 8 and the high-strength high-temperature-resistant prefabricated section 4.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (3)
1. The utility model provides a detachable construction of step-by-step heating furnace stove bottom which characterized in that: including stove bottom steel sheet (1) and heat-resisting steel sleeper (2), fixedly connected with a plurality of heat-resisting steel sleeper landing legs (3) on stove bottom steel sheet (1), it has composite furnace lining to fill between heat-resisting steel sleeper landing legs (3), the top cover of heat-resisting steel sleeper landing legs (3) is equipped with high-strength temperature resistant prefabricated section (4), high-strength temperature resistant prefabricated section (4) are located composite furnace lining top, the inboard fixedly connected with fixture block (5) in top of heat-resisting steel sleeper landing legs (3), the equal fixedly connected with spliced pole (6) in both ends bottom of heat-resisting steel sleeper (2), spliced pole (6) and heat-resisting steel sleeper landing legs (3) one-to-one, one side fixedly connected with stopper (7) of spliced pole (6), spliced pole (6) are in heat-resisting steel sleeper landing legs (3), stopper (7) movable to fixture block (5) below.
2. The removable structure for the furnace bottom of the step-type heating furnace according to claim 1, wherein: the composite furnace lining comprises a light casting material (8) and a refractory fiber felt (9), wherein the light casting material (8) is cast between the bottoms of the heat-resistant steel sleeper supporting legs (3), and the refractory fiber felt (9) is filled between the light casting material (8) and the furnace wall.
3. The removable structure for the furnace bottom of the step-type heating furnace according to claim 2, wherein: the novel high-strength high-temperature-resistant prefabricated section comprises a light casting material (8) and a high-strength high-temperature-resistant prefabricated section (4), and further comprises a special-shaped prefabricated section (10), wherein the special-shaped prefabricated section (10) is arranged between the light casting material (8) and the high-strength high-temperature-resistant prefabricated section (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322135400.0U CN220552267U (en) | 2023-08-09 | 2023-08-09 | Detachable structure of furnace bottom of step-type heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322135400.0U CN220552267U (en) | 2023-08-09 | 2023-08-09 | Detachable structure of furnace bottom of step-type heating furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220552267U true CN220552267U (en) | 2024-03-01 |
Family
ID=90007171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322135400.0U Active CN220552267U (en) | 2023-08-09 | 2023-08-09 | Detachable structure of furnace bottom of step-type heating furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220552267U (en) |
-
2023
- 2023-08-09 CN CN202322135400.0U patent/CN220552267U/en active Active
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