CN102838367B - Resin-combined fine structure hearth roller sleeve and preparation method thereof - Google Patents
Resin-combined fine structure hearth roller sleeve and preparation method thereof Download PDFInfo
- Publication number
- CN102838367B CN102838367B CN201210376830.5A CN201210376830A CN102838367B CN 102838367 B CN102838367 B CN 102838367B CN 201210376830 A CN201210376830 A CN 201210376830A CN 102838367 B CN102838367 B CN 102838367B
- Authority
- CN
- China
- Prior art keywords
- resin
- roller sleeve
- finestructure
- bonded
- furnace bottom
- 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.)
- Expired - Fee Related
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Manufacture Of Alloys Or Alloy Compounds (AREA)
Abstract
The invention relates to a resin-combined fine structure hearth roller sleeve and a preparation method thereof. The preparation method comprises the following steps of: by taking 75-90 wt% coke powder and 10-25 wt% of phenolic resin as raw materials, mixing and grinding to pug, extruding to pug blocks, thermally insulating at 150-220 DEG C for 2-8 hours, and grinding to blank production powder with the particle size of less than 0.1 mm; adding the phenolic resin into the blank production powder, and uniformly mixing to obtain a resin-combined fine structure hearth roller sleeve green; thermally insulating at 150-220 DEG C for 8-24 hours, soaking in the phenolic resin for 8-24 hours, and thermally insulating at the reducing atmosphere at 150-220 DEG C for 8-24 hours; machining to a resin-combined fine structure hearth roller sleeve blank; carrying out antioxidant treatment, drying, and precisely machining to obtain the resin-combined fine structure hearth roller sleeve. The resin-combined fine structure hearth roller sleeve, provided by the invention, has the characteristics of simple preparation process and low energy consumption, uniform and fine inner structure of the product, low porosity, no nodule, good wear resistance, good oxidative stability and long service life, and capability of improving the quality of a silicon steel plate.
Description
Technical field
The invention belongs to furnace bottom roller sleeve technical field.Relate in particular to a kind of resin-bonded finestructure furnace bottom roller sleeve and preparation method thereof.
Background technology
Since the eighties in 20th century, steel industry is developed continuous annealing system and is produced high-quality steel plate, has produced thus the demand to high quality furnace bottom roll, and this demand is growing along with the development of Iron And Steel Industry.Because silicon plate has special performance, the continuous annealing furnace of producing silicon steel sheet has unique requirement to furnace bottom roller sleeve, and the sleeve pipe that silicon steel furnace bottom roller is used mostly at present is carbonaceous material sleeve pipe.
Disclosed silicon steel furnace bottom roller sleeve and preparation and surface treatment method (JP57137419A, JP57140377A, 1092324A, CN1117479, CN1994967, CN2199206) patented technology, prepared carbonaceous furnace bottom roller sleeve can be used in the production of silicon steel sheet.From the eighties in 20th century so far, huge effect has been brought into play in the production that this carbonaceous furnace bottom roller sleeve is silicon steel sheet, always in irreplaceable status.But through production application situation for many years, show, also have some distinct issues: in use, because pore causes more greatly furnace bottom roller sleeve surface cord, knurl scar easily scratches the surface of silicon steel sheet, affect the electromagnetic performance of silicon steel sheet and cause waste product; Wear resistance is bad, and using is worn in the middle of for some time rear sleeve attenuates and form " dumbbell shaped ", causes silicon steel sheet distortion and occurs substandard products; Oxidation-resistance is bad, under the hot conditions of thermal treatment silicon steel gradually by the high temperature H in stove
2o gas is oxidized, and makes carbonaceous furnace bottom roller sleeve surface porosity, occurs pitted skin, reduces wear resistance and then reduction of service life, also there will be aggravation dross simultaneously and affects the problems such as silicon steel sheet quality.
" C-Si-N matter silicon steel furnace bottom roller sleeve and preparation method thereof " (CN101885615 A) patent of invention technology that applicant has authorized, though obtained good effect; But C-Si-N matter silicon steel furnace bottom roller sleeve needs high-temperature ammonolysis reaction sintering, and production technology difficulty is larger.And the complex manufacturing of carbonaceous furnace bottom roller sleeve, intermediate demand carries out high-temperature roasting repeatedly, and the production cycle is long, and yield rate is low, and energy consumption is high.
Summary of the invention
The present invention is intended to overcome prior art defect, object is to provide the preparation method of the resin-bonded finestructure furnace bottom roller sleeve that a kind of technique is simple, the low yield rate of energy consumption is high and preparation cycle is short, the internal structure of the resin-bonded finestructure furnace bottom roller sleeve of preparing by the method evenly fine and closely woven, void content is low, non-nodulating, wear resistance and good in oxidation resistance, after use, can significantly improve silicon steel sheet quality.
For achieving the above object, the present invention adopts following technological step:
Raw material and the content thereof of step 1, resin-bonded finestructure furnace bottom roller sleeve are:
Coke powder 75～90wt%;
Resol 10～25wt%.
Step 2, by raw material described in step 1 and content batching thereof, mix and roll as pug, then pug is squeezed into bulk, under 150～220 ℃ of conditions, be incubated 2～8h, then wear into the base powder that granularity is less than 0.1mm.
Step 3, in base powder, add resol, the add-on of resol is 4～6wt% of base powder, mixes, and is pressed into resin-bonded finestructure furnace bottom roller sleeve green compact.
Step 4, pack resin-bonded finestructure furnace bottom roller sleeve green compact into roaster, under 150～220 ℃ of conditions, be incubated 8～24h, make the elementary base of resin-bonded finestructure furnace bottom roller sleeve.
Step 5, the elementary base of resin-bonded finestructure furnace bottom roller sleeve is placed in to resol floods 8～24h, then be placed in High Temperature Furnaces Heating Apparatus, in reducing atmosphere He under 1950 ~ 2400 ℃ of conditions, be incubated 8 ~ 48h, make resin-bonded finestructure furnace bottom roller sleeve calcining base.
Step 6, resin-bonded finestructure furnace bottom roller sleeve calcining base is carried out to mechanical workout, make resin-bonded finestructure furnace bottom roller sleeve blank.
Step 7, resin-bonded finestructure furnace bottom roller sleeve blank is placed in to dip treating tank, under the condition that is 10 ~ 50KPa in vacuum tightness, keeps 1 ~ 3h; Then injecting oxidation inhibitor solution to resin-bonded finestructure furnace bottom roller sleeve blank is all soaked, under the condition that is 10 ~ 50KPa in vacuum tightness, keep 0.5 ~ 1h, then be forced into 1 ~ 3MPa, keep 4 ~ 8h, take out, make resin-bonded finestructure furnace bottom roller sleeve crude green body.
Step 8, first resin-bonded finestructure furnace bottom roller sleeve crude green body is incubated to 4 ~ 12h under 120 ~ 160 ℃ of conditions, then carries out mechanical precision sizing, make resin-bonded finestructure furnace bottom roller sleeve.
In technique scheme: the C content >=92wt% of coke powder, the granularity of coke powder is less than 0.088mm; The remaining carbon of resol is greater than 40wt%; Bulk is a kind of in sheet, pie, strip; The concentration of oxidation inhibitor is 25 ~ 36%, and oxidation inhibitor is a kind of in silicon sol, aluminium colloidal sol and silicon-aluminum sol.
Owing to adopting technique scheme, the present invention compared with prior art, has following positively effect:
The present invention has cancelled high-temperature roasting operation in preparation technology, does not need, through middle repeated calcination, to have reduced energy consumption, has shortened the production cycle, has significantly improved production efficiency.
Resin-bonded finestructure furnace bottom roller sleeve prepared by the present invention, do not add coke granule material and adopt the full fine powder of coke and resol base, pore in coke granule is all eliminated through abrasive dust, thus prepared resin-bonded finestructure furnace bottom roller sleeve have advantages of internal structure evenly fine and closely woven, volume density is large, void content is low, aperture is little and intensity is high.
Resin-bonded finestructure furnace bottom roller sleeve prepared by the present invention, through high temperature graphitization, burn till processing, carbon dust changes into graphite-structure through greying, not only be conducive to improve surperficial self-lubricating property and surface smoothness, also help raising wear resistance, and non-nodulating, therefore overcome the problem that scratches silicon steel sheet because of surface cord.
Resin-bonded finestructure furnace bottom roller sleeve prepared by the present invention, has intensity greatly and the good feature of wear resistance, can effectively slow down the use wearing and tearing of sleeve pipe, the wearing quality of strongthener, increases the service life, and ensures the normal production of silicon steel, stabilized product quality, can significantly improve productivity effect.
Therefore, the present invention has the advantages that preparation technology is simple, energy consumption is low and the cycle is short, prepared resin-bonded finestructure furnace bottom roller sleeve internal structure evenly fine and closely woven, void content is low, non-nodulating, wear resistance are good, good in oxidation resistance and long service life, is conducive to improve silicon steel sheet quality.
Embodiment
Below in conjunction with embodiment, the present invention will be further described, but content of the present invention is not only confined to the following examples.
For avoiding repetition, the raw material unification first this embodiment being adopted is described below, and in specific embodiment, repeats no more:
C content >=the 92wt% of coke powder, the granularity of coke powder is less than 0.088mm; The remaining carbon of resol is greater than 40wt%; The concentration of silicon sol, aluminium colloidal sol and silicon-aluminum sol is 25 ~ 36%.
embodiment 1
A kind of resin-bonded finestructure furnace bottom roller sleeve and energy-conservation preparation method thereof.Its concrete preparation process is::
Raw material and the content thereof of step 1, resin-bonded finestructure furnace bottom roller sleeve are:
Coke powder 75～80 wt%,
Resol 20～25 wt%;
Step 2, by raw material described in step 1 and content batching thereof, mix and roll as pug, then pug is squeezed into sheet, under 150～170 ℃ of conditions, be incubated 2～4h, then wear into the base powder that granularity is less than 0.1mm.
Step 3, in base powder, add resol, the add-on of resol is 4～6wt% of base powder, mixes, and is pressed into resin-bonded finestructure furnace bottom roller sleeve green compact.
Step 4, pack resin-bonded finestructure furnace bottom roller sleeve green compact into roaster, under 200～220 ℃ of conditions, be incubated 20～24h, make the elementary base of resin-bonded finestructure furnace bottom roller sleeve.
Step 5, the elementary base of resin-bonded finestructure furnace bottom roller sleeve is placed in to resol floods 8～12h, then be placed in High Temperature Furnaces Heating Apparatus, in reducing atmosphere He under 1950 ~ 2100 ℃ of conditions, be incubated 40 ~ 48h, make resin-bonded finestructure furnace bottom roller sleeve calcining base.
Step 6, resin-bonded finestructure furnace bottom roller sleeve calcining base is carried out to mechanical workout, make resin-bonded finestructure furnace bottom roller sleeve blank
Step 7, resin-bonded finestructure furnace bottom roller sleeve blank is placed in to dip treating tank, under the condition that is 10 ~ 20KPa in vacuum tightness, keeps 1 ~ 2h; Then Implanted Silicon colloidal sol to resin-bonded finestructure furnace bottom roller sleeve blank is all soaked, and keeps 0.5 ~ 1h, then be forced into 1 ~ 2MPa in vacuum tightness under the condition that is 10 ~ 20KPa, keeps 4 ~ 8h, takes out, and makes resin-bonded finestructure furnace bottom roller sleeve crude green body.
Step 8, first resin-bonded finestructure furnace bottom roller sleeve crude green body is incubated to 8 ~ 12h under 120 ~ 140 ℃ of conditions, then carries out mechanical precision sizing, make resin-bonded finestructure furnace bottom roller sleeve.
embodiment 2
A kind of resin-bonded finestructure furnace bottom roller sleeve and energy-conservation preparation method thereof.Its concrete preparation process is:
Raw material and the content thereof of step 1, resin-bonded finestructure furnace bottom roller sleeve are:
Coke powder 80～85wt%,
Resol 15～20wt%;
Step 2, by raw material described in step 1 and content batching thereof, mix and roll as pug, then pug is squeezed into pie, under 170～190 ℃ of conditions, be incubated 4～6h, then wear into the base powder that granularity is less than 0.1mm.
Step 3, in base powder, add resol, the add-on of resol is 4～6wt% of base powder, mixes, and is pressed into resin-bonded finestructure furnace bottom roller sleeve green compact.
Step 4, pack resin-bonded finestructure furnace bottom roller sleeve green compact into roaster, under 170～190 ℃ of conditions, be incubated 18～22h, make the elementary base of resin-bonded finestructure furnace bottom roller sleeve.
Step 5, the elementary base of resin-bonded finestructure furnace bottom roller sleeve is placed in to resol floods 12～16h, then be placed in High Temperature Furnaces Heating Apparatus, in reducing atmosphere He under 2100 ~ 2200 ℃ of conditions, be incubated 24 ~ 36h, make resin-bonded finestructure furnace bottom roller sleeve calcining base.
Step 6, resin-bonded finestructure furnace bottom roller sleeve calcining base is carried out to mechanical workout, make resin-bonded finestructure furnace bottom roller sleeve blank.
Step 7, resin-bonded finestructure furnace bottom roller sleeve blank is placed in to dip treating tank, under the condition that is 20 ~ 30KPa in vacuum tightness, keeps 1 ~ 2h; Then inject aluminium colloidal sol to resin-bonded finestructure furnace bottom roller sleeve blank and all soaked, under the condition that is 20 ~ 30KPa in vacuum tightness, keep 0.5 ~ 1h, then be forced into 2 ~ 3MPa, keep 7 ~ 7h, take out, make resin-bonded finestructure furnace bottom roller sleeve crude green body.
Step 8, first resin-bonded finestructure furnace bottom roller sleeve crude green body is incubated to 6 ~ 7h under 130 ~ 150 ℃ of conditions, then carries out mechanical precision sizing, make resin-bonded finestructure furnace bottom roller sleeve.
embodiment 3
A kind of resin-bonded finestructure furnace bottom roller sleeve and energy-conservation preparation method thereof.Its concrete preparation process is:
Raw material and the content thereof of step 1, resin-bonded finestructure furnace bottom roller sleeve are:
Coke powder 85～90wt%,
Resol 10～55wt%;
Step 2, by raw material described in step 1 and content batching thereof, mix and roll as pug, then pug is squeezed into strip, under 190～210 ℃ of conditions, be incubated 6～8h, then wear into the base powder that granularity is less than 0.1mm.
Step 3, in base powder, add resol, the add-on of resol is 4～6wt% of base powder, mixes, and is pressed into resin-bonded finestructure furnace bottom roller sleeve green compact.
Step 4, pack resin-bonded finestructure furnace bottom roller sleeve green compact into roaster, under 150～170 ℃ of conditions, be incubated 12～16h, make the elementary base of resin-bonded finestructure furnace bottom roller sleeve.
Step 5, the elementary base of resin-bonded finestructure furnace bottom roller sleeve is placed in to resol floods 16～20h, then be placed in High Temperature Furnaces Heating Apparatus, in reducing atmosphere He under 2200 ~ 2300 ℃ of conditions, be incubated 16 ~ 24h, make resin-bonded finestructure furnace bottom roller sleeve calcining base.
Step 6, resin-bonded finestructure furnace bottom roller sleeve calcining base is carried out to mechanical workout, make resin-bonded finestructure furnace bottom roller sleeve blank
Step 7, resin-bonded finestructure furnace bottom roller sleeve blank is placed in to dip treating tank, under the condition that is 30 ~ 40KPa in vacuum tightness, keeps 2 ~ 3h; Then inject silicon-aluminum sol to resin-bonded finestructure furnace bottom roller sleeve blank and all soaked, under the condition that is 30 ~ 40KPa in vacuum tightness, keep 0.5 ~ 1h, then be forced into 2 ~ 3MPa, keep 5 ~ 6h, take out, make resin-bonded finestructure furnace bottom roller sleeve crude green body.
Step 8, first resin-bonded finestructure furnace bottom roller sleeve crude green body is incubated to 4 ~ 8h under 140 ~ 160 ℃ of conditions, then carries out mechanical precision sizing, make resin-bonded finestructure furnace bottom roller sleeve.
embodiment 4
A kind of resin-bonded finestructure furnace bottom roller sleeve and energy-conservation preparation method thereof.Its concrete preparation process is:
Raw material and the content thereof of step 1, resin-bonded finestructure furnace bottom roller sleeve are:
Coke powder 80～85wt%,
Resol 15～20wt%;
Step 2, by raw material described in step 1 and content batching thereof, mix and roll as pug, then pug is squeezed into sheet, under 200～220 ℃ of conditions, be incubated 2～4h, then wear into the base powder that granularity is less than 0.1mm.
Step 3, in base powder, add resol, the add-on of resol is 4～6wt% of base powder, mixes, and is pressed into resin-bonded finestructure furnace bottom roller sleeve green compact.
Step 4, pack resin-bonded finestructure furnace bottom roller sleeve green compact into roaster, under 200～220 ℃ of conditions, be incubated 8～12h, make the elementary base of resin-bonded finestructure furnace bottom roller sleeve.
Step 5, the elementary base of resin-bonded finestructure furnace bottom roller sleeve is placed in to resol floods 20～24h, then be placed in High Temperature Furnaces Heating Apparatus, in reducing atmosphere He under 2300 ~ 2400 ℃ of conditions, be incubated 8 ~ 16h, make resin-bonded finestructure furnace bottom roller sleeve calcining base.
Step 6, resin-bonded finestructure furnace bottom roller sleeve calcining base is carried out to mechanical workout, make resin-bonded finestructure furnace bottom roller sleeve blank
Step 7, resin-bonded finestructure furnace bottom roller sleeve blank is placed in to dip treating tank, under the condition that is 40 ~ 50KPa in vacuum tightness, keeps 2 ~ 3h; Then Implanted Silicon colloidal sol to resin-bonded finestructure furnace bottom roller sleeve blank is all soaked, and keeps 0.5 ~ 1h, then be forced into 2 ~ 3MPa in vacuum tightness under the condition that is 40 ~ 50KPa, keeps 4 ~ 5h, takes out, and makes resin-bonded finestructure furnace bottom roller sleeve crude green body.
Step 8, first resin-bonded finestructure furnace bottom roller sleeve crude green body is incubated to 6 ~ 10h under 130 ~ 150 ℃ of conditions, then carries out mechanical precision sizing, make resin-bonded finestructure furnace bottom roller sleeve.
embodiment 5
A kind of resin-bonded finestructure furnace bottom roller sleeve and energy-conservation preparation method thereof.Its concrete preparation process is:
Raw material and the content thereof of step 1, resin-bonded finestructure furnace bottom roller sleeve are:
Coke powder 75～80wt%,
Resol 20～25wt%;
Step 2, by raw material described in step 1 and content batching thereof, mix and roll as pug, then pug is squeezed into strip, under 160～180 ℃ of conditions, be incubated 6～8h, then wear into the base powder that granularity is less than 0.1mm.
Step 3, in base powder, add resol, the add-on of resol is 4～6wt% of base powder, mixes, and is pressed into resin-bonded finestructure furnace bottom roller sleeve green compact.
Step 4, pack resin-bonded finestructure furnace bottom roller sleeve green compact into roaster, under 190～210 ℃ of conditions, be incubated 16～20h, make the elementary base of resin-bonded finestructure furnace bottom roller sleeve.
Step 5, the elementary base of resin-bonded finestructure furnace bottom roller sleeve is placed in to resol floods 18～22h, then be placed in High Temperature Furnaces Heating Apparatus, in reducing atmosphere He under 2100 ~ 2250 ℃ of conditions, be incubated 36 ~ 40h, make resin-bonded finestructure furnace bottom roller sleeve calcining base.
Step 6, resin-bonded finestructure furnace bottom roller sleeve calcining base is carried out to mechanical workout, make resin-bonded finestructure furnace bottom roller sleeve blank.
Step 7, resin-bonded finestructure furnace bottom roller sleeve blank is placed in to dip treating tank, under the condition that is 20 ~ 30KPa in vacuum tightness, keeps 1 ~ 2h; Then inject silicon-aluminum sol to resin-bonded finestructure furnace bottom roller sleeve blank and all soaked, under the condition that is 20 ~ 30KPa in vacuum tightness, keep 0.5 ~ 1h, then be forced into 1 ~ 2MPa, keep 6 ~ 7h, take out, make resin-bonded finestructure furnace bottom roller sleeve crude green body.
Step 8, first resin-bonded finestructure furnace bottom roller sleeve crude green body is incubated to 4 ~ 8h under 140 ~ 160 ℃ of conditions, then carries out mechanical precision sizing, make resin-bonded finestructure furnace bottom roller sleeve.
This embodiment compared with prior art, has following positively effect:
This embodiment has been cancelled high-temperature roasting operation in preparation technology, does not need, through middle repeated calcination, to have reduced energy consumption, has shortened the production cycle, has significantly improved production efficiency.
Resin-bonded finestructure furnace bottom roller sleeve prepared by this embodiment, do not add coke granule material and adopt the full fine powder of coke and resol base, pore in coke granule is all eliminated through abrasive dust, thus prepared resin-bonded finestructure furnace bottom roller sleeve have advantages of internal structure evenly fine and closely woven, volume density is large, void content is low, aperture is little and intensity is high.
Resin-bonded finestructure furnace bottom roller sleeve prepared by this embodiment, through high temperature graphitization, burn till processing, carbon dust changes into graphite-structure through greying, not only be conducive to improve surperficial self-lubricating property and surface smoothness, also help raising wear resistance, and non-nodulating, therefore overcome the problem that scratches silicon steel sheet because of surface cord.
Resin-bonded finestructure furnace bottom roller sleeve prepared by this embodiment, has intensity greatly and the good feature of wear resistance, can effectively slow down the use wearing and tearing of sleeve pipe, the wearing quality of strongthener, increases the service life, and ensures the normal production of silicon steel, stabilized product quality, can significantly improve productivity effect.
Therefore, this embodiment has the advantages that preparation technology is simple, energy consumption is low and the cycle is short, prepared resin-bonded finestructure furnace bottom roller sleeve internal structure evenly fine and closely woven, void content is low, non-nodulating, wear resistance are good, good in oxidation resistance and long service life, is conducive to improve silicon steel sheet quality.
Claims (4)
1. a preparation method for resin-bonded finestructure furnace bottom roller sleeve, is characterized in that adopting following preparation process:
Raw material and the content thereof of step 1, resin-bonded finestructure furnace bottom roller sleeve are:
Coke powder 75～90wt%,
Resol 10～25wt%;
Step 2, by raw material described in step 1 and content batching thereof, mixing and roll as pug, then pug is squeezed into a kind of in sheet, pie and strip, under 150～220 ℃ of conditions, be incubated 2～8h, then wear into the base powder that granularity is less than 0.1mm;
Step 3, in base powder, add resol, the add-on of resol is 4～6wt% of base powder, mixes, and is pressed into resin-bonded finestructure furnace bottom roller sleeve green compact;
Step 4, pack resin-bonded finestructure furnace bottom roller sleeve green compact into roaster, under 150～220 ℃ of conditions, be incubated 8～24h, make the elementary base of resin-bonded finestructure furnace bottom roller sleeve;
Step 5, the elementary base of resin-bonded finestructure furnace bottom roller sleeve is placed in to resol floods 8～24h, then be placed in High Temperature Furnaces Heating Apparatus, in reducing atmosphere He under 1950 ~ 2400 ℃ of conditions, be incubated 8 ~ 48h, make resin-bonded finestructure furnace bottom roller sleeve calcining base;
Step 6, resin-bonded finestructure furnace bottom roller sleeve calcining base is carried out to mechanical workout, make resin-bonded finestructure furnace bottom roller sleeve blank;
Step 7, resin-bonded finestructure furnace bottom roller sleeve blank is placed in to dip treating tank, under the condition that is 10 ~ 50KPa in vacuum tightness, keeps 1 ~ 3h; Then injecting oxidation inhibitor solution to resin-bonded finestructure furnace bottom roller sleeve blank is all soaked, under the condition that is 10 ~ 50KPa in vacuum tightness, keep 0.5 ~ 1h, then be forced into 1 ~ 3MPa, keep 4 ~ 8h, take out, make resin-bonded finestructure furnace bottom roller sleeve crude green body;
Step 8, first resin-bonded finestructure furnace bottom roller sleeve crude green body is incubated to 4 ~ 12h under 120 ~ 160 ℃ of conditions, then carries out mechanical precision sizing, make resin-bonded finestructure furnace bottom roller sleeve;
C content >=the 92wt% of described coke powder, the granularity of coke powder is less than 0.088mm.
2. the preparation method of resin-bonded finestructure furnace bottom roller sleeve according to claim 1, is characterized in that the remaining carbon of described resol is greater than 40wt%.
3. the preparation method of resin-bonded finestructure furnace bottom roller sleeve according to claim 1, is characterized in that described anti-
The concentration of oxygenant is 25 ~ 36%, and oxidation inhibitor is a kind of in silicon sol, aluminium colloidal sol and silicon-aluminum sol.
4. according to the prepared resin-bonded finestructure furnace bottom roller sleeve of preparation method of the resin-bonded finestructure furnace bottom roller sleeve described in any one in claim 1 ~ 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210376830.5A CN102838367B (en) | 2012-10-08 | 2012-10-08 | Resin-combined fine structure hearth roller sleeve and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210376830.5A CN102838367B (en) | 2012-10-08 | 2012-10-08 | Resin-combined fine structure hearth roller sleeve and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102838367A CN102838367A (en) | 2012-12-26 |
| CN102838367B true CN102838367B (en) | 2014-04-02 |
Family
ID=47366133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210376830.5A Expired - Fee Related CN102838367B (en) | 2012-10-08 | 2012-10-08 | Resin-combined fine structure hearth roller sleeve and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102838367B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104002460A (en) * | 2014-05-13 | 2014-08-27 | 龚孝祥 | Graphite pipe manufacturing method for eliminating extruding internal stress and microcracks |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57140377A (en) * | 1981-02-25 | 1982-08-30 | Kawasaki Steel Co | Graphitic carbon material for heat treatment furnace hearth roll |
| JPH0822780B2 (en) * | 1988-09-13 | 1996-03-06 | 新日本製鐵株式会社 | Casting amorphous refractory for blast furnace tappipe cover |
| CN101768002B (en) * | 2009-12-29 | 2012-07-25 | 武汉科技大学 | Durable silicon steel furnace bottom roller sleeve and preparation method thereof |
| CN101885615B (en) * | 2010-06-08 | 2012-09-19 | 武汉科技大学 | C-Si-N silicon steel hearth roller sleeve and manufacture method thereof |
-
2012
- 2012-10-08 CN CN201210376830.5A patent/CN102838367B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN102838367A (en) | 2012-12-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103253947B (en) | Method for preparing furnace lining of metallurgical intermediate frequency furnace | |
| CN109081697A (en) | It is a kind of to prepare B4The method of C/SiC composite ceramic | |
| CN103435335A (en) | Preparation method of aluminum oxide ceramic material | |
| CN106747452A (en) | A kind of method that resistance furnace produces boron carbide ingot | |
| CN108862272B (en) | Method for preparing expanded graphite by using graphene oxide and nano carbon powder | |
| CN103613393B (en) | A kind of blast furnace lining brick fuel and preparation method thereof | |
| CN102838368B (en) | Fine structure silicon steel hearth roller sleeve and preparation method thereof | |
| CN103880441A (en) | Microporous lightweight corundum refractory aggregate and preparation method thereof | |
| CN103396138B (en) | Novel converter magnesia carbon brick and preparation method thereof | |
| CN110483023A (en) | A kind of microporous corundum brick and preparation method thereof | |
| CN110668819A (en) | Short-flow high-power graphite electrode and production process | |
| CN102838367B (en) | Resin-combined fine structure hearth roller sleeve and preparation method thereof | |
| CN101768002B (en) | Durable silicon steel furnace bottom roller sleeve and preparation method thereof | |
| CN109553311A (en) | A method of high density magnesia is prepared using magnesite microwave sintering | |
| CN101885615B (en) | C-Si-N silicon steel hearth roller sleeve and manufacture method thereof | |
| CN108585863A (en) | A kind of high intensity ultramicropore electric forging coal base brick fuel and preparation method thereof | |
| CN102260884B (en) | Method for preparing blocky graphite anode with high density and low resistivity in short process | |
| CN112551921B (en) | Carbonization activation beneficiation technology for high-silicon magnesite | |
| CN101985760B (en) | Components of graphitized anode and preparation method thereof | |
| CN104907570A (en) | Preparation method of reduced iron powders for powder metallurgy | |
| CN205774134U (en) | A kind of production line utilizing magnesite concentrate one one-step baking highly-purity magnesite | |
| CN104016329B (en) | The preparation method of high-density high-strength graphite | |
| CN102040384A (en) | High-conductivity high-corrosion-resistance ultra-micro-pore carbon block | |
| CN109251048A (en) | A kind of high-densit silica brick and preparation method thereof | |
| CN101817687B (en) | Silicon steel hearth roll sleeve and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20140402 Termination date: 20151008 |
|
| EXPY | Termination of patent right or utility model |