CN115506153A - Furnace door sealing heat insulation protection pad - Google Patents
Furnace door sealing heat insulation protection pad Download PDFInfo
- Publication number
- CN115506153A CN115506153A CN202211196831.1A CN202211196831A CN115506153A CN 115506153 A CN115506153 A CN 115506153A CN 202211196831 A CN202211196831 A CN 202211196831A CN 115506153 A CN115506153 A CN 115506153A
- Authority
- CN
- China
- Prior art keywords
- epoxy resin
- fiber cloth
- door sealing
- high silica
- silica fiber
- 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
- 238000007789 sealing Methods 0.000 title claims abstract description 39
- 238000009413 insulation Methods 0.000 title claims abstract description 20
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 84
- 239000000835 fiber Substances 0.000 claims abstract description 50
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 42
- 239000004744 fabric Substances 0.000 claims abstract description 41
- 230000001681 protective effect Effects 0.000 claims abstract description 17
- 239000011248 coating agent Substances 0.000 claims abstract description 9
- 238000000576 coating method Methods 0.000 claims abstract description 9
- 239000002131 composite material Substances 0.000 claims abstract description 9
- 239000003822 epoxy resin Substances 0.000 claims description 32
- 229920000647 polyepoxide Polymers 0.000 claims description 32
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical group CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 8
- 229920005989 resin Polymers 0.000 claims description 8
- 239000011347 resin Substances 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- 239000002904 solvent Substances 0.000 claims description 6
- VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical group NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 claims description 5
- 229960001124 trientine Drugs 0.000 claims description 5
- 238000007598 dipping method Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 2
- 229920001568 phenolic resin Polymers 0.000 claims description 2
- 239000005011 phenolic resin Substances 0.000 claims description 2
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims description 2
- 238000005299 abrasion Methods 0.000 claims 1
- 230000000052 comparative effect Effects 0.000 description 8
- 239000000919 ceramic Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 238000009958 sewing Methods 0.000 description 4
- 235000012239 silicon dioxide Nutrition 0.000 description 4
- 230000009970 fire resistant effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920001973 fluoroelastomer Polymers 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/55—Epoxy resins
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/45—Oxides or hydroxides of elements of Groups 3 or 13 of the Periodic Table; Aluminates
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/77—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof
- D06M11/79—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof with silicon dioxide, silicic acids or their salts
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/39—Aldehyde resins; Ketone resins; Polyacetals
- D06M15/41—Phenol-aldehyde or phenol-ketone resins
-
- 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
- F27D1/1858—Doors
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/35—Abrasion, pilling or fibrillation resistance
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Laminated Bodies (AREA)
Abstract
The invention provides a furnace door sealing heat-insulation protection pad, which comprises at least one layer of high silica fiber cloth; the surface of the high silica fiber cloth is provided with a wear-resistant composite coating. The furnace door sealing and heat insulation protective pad provided by the invention has the advantages of higher strength, good impact resistance, good sealing property, excellent tensile resistance, high shear strength and temperature resistance up to 1000 ℃, thereby effectively meeting the heat insulation protection requirement on a VD furnace sealing ring.
Description
Technical Field
The invention relates to the technical field of fireproof and heat-insulating materials, in particular to a furnace door sealing and heat-insulating protection pad.
Background
The traditional 100-ton electric furnace workshop VD furnace tank body sealing ring is made of fluororubber, a tank cover at a furnace door needs to pass through the upper part of the sealing ring when tapping, the distance from the sealing ring is only 0.5 m, high-temperature radiation and steel slag burning lead to the low service life of the sealing ring, the replacement is frequent, and the production rhythm is seriously influenced. The heat insulation protective pad can effectively reduce the radiant heat to the sealing ring and prolong the service life of the sealing ring.
The traditional heat insulation protective pad material is usually made of temperature-resistant fibers (such as ceramic fibers or glass fibers), and the traditional heat insulation protective pad material has poor crease resistance and poor strength, and lacks self-supporting performance, so that the traditional heat insulation protective pad material is very easy to collapse and quickly loses effectiveness when being used for a furnace door sealing heat insulation protective pad.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a furnace door sealing and heat insulation protection pad which has the advantages of high strength, good impact resistance, good sealing property, excellent tensile resistance, high shear strength and high temperature resistance of 1000 ℃, so that the heat insulation protection requirement on a VD furnace sealing ring is effectively met.
The invention provides a furnace door sealing heat-insulation protection pad, which comprises at least one layer of high silica fiber cloth;
the surface of the high silica fiber cloth is provided with a wear-resistant composite coating.
According to the characteristics of a high-temperature environment in a VD furnace operation area, the furnace door sealing and heat-insulating protection pad comprises at least one layer of high silica fiber cloth, and the high silica fiber cloth has relatively long fiber structure while insulating heat and preventing fire, so that the high-strength self-supporting performance is strong, and the service life is prolonged compared with other high-temperature resistant materials; meanwhile, the surface of the high silica fiber cloth is also provided with the wear-resistant composite coating, so that the wear resistance and the tensile strength of the high silica fiber cloth can be further enhanced, and the service life of the heat-insulating protective pad can be further prolonged.
Preferably, the high silica fiber cloth is two layers, and the thickness is 1-1.5mm.
Preferably, the content of silicon dioxide in the high silica fiber cloth is not less than 96wt%, and the continuous temperature resistance temperature is 960-1000 ℃.
In the invention, the silicon dioxide content of the high silica fiber cloth is not less than 96wt%, so that the high continuous temperature resistance can be kept, the heat conductivity is low, and the excellent heat insulation and fire prevention effects can be ensured.
Preferably, the wear-resistant composite coating is a resin layer.
Preferably, the resin layer is an epoxy resin layer or a phenolic resin layer;
preferably, the resin layer is an epoxy resin layer.
Preferably, the epoxy resin layer is obtained by dipping the high silica fiber cloth in an epoxy resin solution and then curing;
preferably, the dipping time is 30-60min, the curing temperature is 100-130 ℃, and the curing time is 60-120min.
Preferably, the epoxy resin solution comprises an epoxy resin, a curing agent and a solvent;
preferably, the epoxy resin is E51 epoxy resin, the curing agent is triethylene tetramine, and the solvent is acetone;
preferably, the mass ratio of the epoxy resin, the curing agent and the solvent is 10.
In the invention, an epoxy resin solution is adopted, a curing agent triethylene tetramine is contained in the resin solution, and the epoxy resin is organic resin, so that the setting strength is high and the heat resistance is good; after the high silica fiber cloth is impregnated by the epoxy resin solution and cured, the tensile resistance of the high silica fiber cloth at high temperature can be effectively enhanced.
Preferably, the epoxy resin solution further includes an inorganic sol;
preferably, the inorganic sol is at least one of an aluminum sol or a silica sol;
preferably, the mass ratio of the epoxy resin to the inorganic sol is 10.
According to the invention, a certain amount of inorganic sol is added into the epoxy resin solution, and the heat resistance and high-temperature strength of the high silica fiber cloth can be effectively improved after high-temperature carbonization.
Preferably, the at least one layer of high silica fiber cloth is fixed together after being sewn through fire-resistant fiber yarns or steel wires.
Compared with the prior art, the invention has the following beneficial effects:
the furnace door sealing and heat-insulating protective pad provided by the invention comprises at least one layer of high silica fiber cloth, and the surface of the high silica fiber cloth is provided with a wear-resistant composite coating, so that the obtained heat-insulating protective pad not only has excellent heat-insulating property, but also has good impact resistance and higher strength, and simultaneously has excellent tensile resistance, and the service life of the furnace door sealing and heat-insulating protective pad is greatly prolonged while the radiant heat to a VD furnace sealing ring is effectively reduced.
Drawings
Fig. 1 is a schematic structural diagram of a finished product of the oven door sealing and heat insulating protection pad according to embodiment 1 of the present invention.
Detailed Description
Hereinafter, the technical solution of the present invention will be described in detail by specific examples, but these examples should be explicitly proposed for illustration, but should not be construed as limiting the scope of the present invention.
Example 1
Referring to fig. 1, the present embodiment provides a furnace door sealing and heat insulating protective pad, which is obtained by abutting two layers of 1.4mm high silica fiber cloth against each other, sewing the two layers of high silica fiber cloth with fire resistant fiber yarn, and fixing the two layers of high silica fiber cloth together; the surface of the high silica fiber cloth is provided with the wear-resistant composite coating, the high silica fiber cloth (the content of silicon dioxide is 96.94 wt%) is soaked in an epoxy resin solution for 50min, the epoxy resin solution is composed of E51 epoxy resin, triethylene tetramine and acetone according to the mass ratio of 10.2.
Example 2
The embodiment provides a furnace door sealing and heat-insulating protective pad, which is obtained by mutually abutting two layers of 1.4mm high silica fiber cloth, sewing the high silica fiber cloth through refractory fiber yarns and then fixing the high silica fiber cloth together, wherein the surface of the high silica fiber cloth is provided with a wear-resistant composite coating, the high silica fiber cloth (with the silicon dioxide content of 96.94 wt%) is soaked in an epoxy resin solution for 50min, the epoxy resin solution is composed of E51 epoxy resin, triethylene tetramine, acetone and aluminum sol (with the solid content of 25%) in a mass ratio of 10.
Comparative example 1
The comparative example provides a furnace door sealing and heat insulation protective pad which is obtained by abutting two layers of 1.4mm high silica fiber cloth against each other, sewing the high silica fiber cloth by using fire-resistant fiber yarns and fixing the high silica fiber cloth together.
Comparative example 2
The comparative example provides a furnace door sealing and heat insulation protective pad which is obtained by abutting two layers of 1.4mm ceramic fiber cloth against each other, sewing the ceramic fiber cloth by using refractory fiber yarns and fixing the ceramic fiber cloth and the refractory fiber cloth together.
Service life test
The furnace door sealing and heat-insulating protective pads obtained in the examples and the comparative examples are respectively covered on a sealing ring of a VD furnace in a 100-ton electric furnace workshop, and the time for losing the effect of each furnace door sealing and heat-insulating protective pad, namely the service life is short is examined, and the results are shown in the following table:
| service life (sky) | |
| Example 1 | 50 |
| Example 2 | 73 |
| Comparative example 1 | 12 |
| Comparative example 2 | 7 |
As can be seen from the test data in the table above, the furnace door sealing and heat insulating protection pad of the embodiment of the invention has more excellent heat insulating protection performance compared with the comparative example, and the service life of the furnace door sealing and heat insulating protection pad is greatly prolonged.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. A furnace door sealing heat insulation protection pad is characterized in that the heat insulation protection pad comprises at least one layer of high silica fiber cloth;
the surface of the high silica fiber cloth is provided with a wear-resistant composite coating.
2. The oven door sealing and insulating protection pad according to claim 1, wherein the high silica fiber cloth is two layers with a thickness of 1-1.5mm.
3. The oven door sealing and insulating protection pad according to claim 2, wherein the silica content of the high silica fiber cloth is not less than 96wt%, and the continuous temperature resistance is 960-1000 ℃.
4. The oven door sealing and insulating protection pad according to any one of claims 1 to 3, wherein the abrasion resistant composite coating is a resin layer;
preferably, the resin layer is an epoxy resin layer or a phenolic resin layer.
5. The oven door sealing and insulating protective pad according to claim 4, wherein the resin layer is an epoxy resin layer.
6. The oven door sealing and insulating protection pad according to claim 5, wherein the epoxy resin layer is obtained by dipping a high silica fiber cloth in an epoxy resin solution and then curing;
preferably, the dipping time is 30-60min, the curing temperature is 100-130 ℃, and the curing time is 60-120min.
7. The oven door seal insulation protection gasket of claim 6, wherein the epoxy resin solution comprises an epoxy resin, a curing agent, and a solvent;
preferably, the epoxy resin is E51 epoxy resin, the curing agent is triethylene tetramine, and the solvent is acetone;
preferably, the mass ratio of the epoxy resin to the curing agent to the solvent is 10.
8. The oven door seal insulation protection gasket of claim 7, wherein the epoxy resin solution further comprises an inorganic sol;
preferably, the inorganic sol is at least one of an aluminum sol or a silica sol;
preferably, the mass ratio of the epoxy resin to the inorganic sol is 10.
9. The oven door sealing and insulating protection pad according to any one of claims 1 to 8, wherein the at least one layer of high silica fiber cloth is sewn together by refractory fiber yarns or steel wires and then fixed together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211196831.1A CN115506153A (en) | 2022-09-28 | 2022-09-28 | Furnace door sealing heat insulation protection pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211196831.1A CN115506153A (en) | 2022-09-28 | 2022-09-28 | Furnace door sealing heat insulation protection pad |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115506153A true CN115506153A (en) | 2022-12-23 |
Family
ID=84507996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211196831.1A Pending CN115506153A (en) | 2022-09-28 | 2022-09-28 | Furnace door sealing heat insulation protection pad |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115506153A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101565535A (en) * | 2009-06-03 | 2009-10-28 | 哈尔滨工业大学 | Heat resistant epoxide resin and preparation method thereof |
| CN108032580A (en) * | 2017-12-08 | 2018-05-15 | 航天特种材料及工艺技术研究所 | A kind of method for preparing sandwich thermally protective materials and thermally protective materials obtained by this method |
| CN108928052A (en) * | 2018-05-29 | 2018-12-04 | 中国科学院过程工程研究所 | One kind flexible gasket resistant to high temperature and its preparation method and application |
| CN112521717A (en) * | 2020-11-17 | 2021-03-19 | 贵州航天乌江机电设备有限责任公司 | SiO with high mechanical strength and low heat conductivity coefficient2Preparation method of aerogel composite material |
| CN213353814U (en) * | 2020-08-31 | 2021-06-04 | 浙江豪德盛绝缘材料有限公司 | Epoxy resin insulation board |
| CN114407479A (en) * | 2022-01-17 | 2022-04-29 | 株洲时代新材料科技股份有限公司 | Flexible fireproof and explosion-proof plate and preparation method thereof |
-
2022
- 2022-09-28 CN CN202211196831.1A patent/CN115506153A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101565535A (en) * | 2009-06-03 | 2009-10-28 | 哈尔滨工业大学 | Heat resistant epoxide resin and preparation method thereof |
| CN108032580A (en) * | 2017-12-08 | 2018-05-15 | 航天特种材料及工艺技术研究所 | A kind of method for preparing sandwich thermally protective materials and thermally protective materials obtained by this method |
| CN108928052A (en) * | 2018-05-29 | 2018-12-04 | 中国科学院过程工程研究所 | One kind flexible gasket resistant to high temperature and its preparation method and application |
| CN213353814U (en) * | 2020-08-31 | 2021-06-04 | 浙江豪德盛绝缘材料有限公司 | Epoxy resin insulation board |
| CN112521717A (en) * | 2020-11-17 | 2021-03-19 | 贵州航天乌江机电设备有限责任公司 | SiO with high mechanical strength and low heat conductivity coefficient2Preparation method of aerogel composite material |
| CN114407479A (en) * | 2022-01-17 | 2022-04-29 | 株洲时代新材料科技股份有限公司 | Flexible fireproof and explosion-proof plate and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 赵彤等: "《高性能热固性树脂》", 31 December 2020, 中国铁道出版社, pages: 19 - 21 * |
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