TW202035331A - Production method of refractory concrete capable of reducing environmental burden and consumption of resources to reduce the production cost - Google Patents
Production method of refractory concrete capable of reducing environmental burden and consumption of resources to reduce the production cost Download PDFInfo
- Publication number
- TW202035331A TW202035331A TW108108965A TW108108965A TW202035331A TW 202035331 A TW202035331 A TW 202035331A TW 108108965 A TW108108965 A TW 108108965A TW 108108965 A TW108108965 A TW 108108965A TW 202035331 A TW202035331 A TW 202035331A
- Authority
- TW
- Taiwan
- Prior art keywords
- refractory concrete
- refractory
- item
- patent application
- scope
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title abstract description 7
- 230000007613 environmental effect Effects 0.000 title abstract 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000011449 brick Substances 0.000 claims abstract description 15
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 14
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000002270 dispersing agent Substances 0.000 claims abstract description 8
- 239000002699 waste material Substances 0.000 claims abstract description 8
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 6
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 6
- 239000000919 ceramic Substances 0.000 claims abstract description 6
- 239000005011 phenolic resin Substances 0.000 claims abstract description 6
- 229920001568 phenolic resin Polymers 0.000 claims abstract description 6
- 239000000843 powder Substances 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 6
- 230000004907 flux Effects 0.000 claims description 6
- 239000011029 spinel Substances 0.000 claims description 6
- 229910052596 spinel Inorganic materials 0.000 claims description 6
- YDEXUEFDPVHGHE-GGMCWBHBSA-L disodium;(2r)-3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate Chemical group [Na+].[Na+].COC1=CC=CC(C[C@H](CS([O-])(=O)=O)OC=2C(=CC(CCCS([O-])(=O)=O)=CC=2)OC)=C1O YDEXUEFDPVHGHE-GGMCWBHBSA-L 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- 235000012239 silicon dioxide Nutrition 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical group OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 2
- UAMZXLIURMNTHD-UHFFFAOYSA-N dialuminum;magnesium;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[Mg+2].[Al+3].[Al+3] UAMZXLIURMNTHD-UHFFFAOYSA-N 0.000 claims description 2
- 239000001103 potassium chloride Substances 0.000 claims description 2
- 235000011164 potassium chloride Nutrition 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 3
- 239000011230 binding agent Substances 0.000 abstract description 2
- 235000006708 antioxidants Nutrition 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000003779 heat-resistant material Substances 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 229920005615 natural polymer Polymers 0.000 description 1
- 239000012766 organic filler Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
Images
Landscapes
- Compositions Of Oxide Ceramics (AREA)
Abstract
Description
本發明係關於一種耐火混凝土，尤指一種耐火混凝土及其製作方法。 The invention relates to a refractory concrete, in particular to a refractory concrete and a manufacturing method thereof.
耐火磚由於為耐熱材料製作，因此廣泛使用於窯爐和各種熱環境，例如陶瓷器以及鋼鐵冶爐等，除了可以直接做為圍體，也可以作為其他材質圍體的塗層。雖然耐火磚可耐受高溫之程度頗佳，但是為了維持高溫環境的可靠性等因素，經過一段時間之使用，耐火磚仍然需要拆除更換，而拆除之耐火磚則一般成為廢棄物，對於環境而言不啻為一負擔，且對於經濟效益而言，耐火磚中仍然有其可使用之材料部分，若貿然拋棄亦屬可惜。 Because refractory bricks are made of heat-resistant materials, they are widely used in kilns and various thermal environments, such as ceramics and steel smelting furnaces. In addition to being directly used as enclosures, they can also be used as coatings for enclosures of other materials. Although the refractory bricks can withstand high temperatures quite well, in order to maintain the reliability of the high temperature environment and other factors, after a period of use, the refractory bricks still need to be dismantled and replaced, and the dismantled refractory bricks generally become waste. It is a burden, and in terms of economic benefits, there are still parts of materials that can be used in refractory bricks, and it would be a pity to throw them away hastily.
有鑑於先前技術之問題，本發明者認為應有一種耐火混凝土及其製法，藉由以先前使用過之廢棄耐火磚，為本耐火混凝土之組成之30~40% wt%主原料，配合相關有機結合劑等成分為組成，藉此達到減少環境的負擔及資源的耗用，降低生產成本而達到循環經濟之效果。 In view of the problems of the prior art, the inventor believes that there should be a refractory concrete and its production method, by using the previously used waste refractory bricks as the main raw material of 30-40% wt% of the refractory concrete, with the relevant organic The binder and other components are composed, thereby reducing the burden on the environment and the consumption of resources, reducing production costs and achieving the effect of circular economy.
為此，設計一種耐火混凝土及其製法，係包括：廢棄耐火磚30~40wt% To this end, a refractory concrete and its preparation method are designed, including: 30-40wt% of discarded refractory bricks
分散劑(Dispersant)2~4wt% Dispersant (Dispersant) 2~4wt%
抗氧化劑2~4wt% Antioxidant 2~4wt%
助熔劑2~4wt% Flux 2~4wt%
高性能微粉0.5~1.5wt% High-performance micropowder 0.5~1.5wt%
酚醛樹脂(phenolic resin)2~4wt% Phenolic resin 2~4wt%
尖晶石或陶瓷5~10wt%，餘則添加氧化鎂(MgO)，令其總合不逾100wt%，為投料；經由高速攪拌機混練，令其出料口溫度達到45~50℃。然後再以包裝，並架設內模，以乾式振動工序澆鑄，再經熱處理350~400℃ 6~8小時，然後脫模。 Spinel or ceramics 5~10wt%, the rest is added with magnesium oxide (MgO), so that the total amount does not exceed 100wt%, it is the feed; it is mixed with a high-speed mixer to make the temperature of the discharge port reach 45~50℃. Then it is packaged, and an inner mold is set up, cast in a dry vibration process, and then heat treated at 350-400°C for 6-8 hours, and then demolded.
第一圖係本發明方法流程圖 The first figure is the flow chart of the method of the present invention
以下藉由圖式之配合，說明本發明之構造、特點以及實施例，俾使 貴審查委員對本發明有更進一步之理解。 In the following, the structure, features and embodiments of the present invention will be explained through the cooperation of the drawings, so that the reviewer can have a better understanding of the present invention.
本發明係關於一種耐火混凝土及其製法，包括：廢棄耐火磚30~40wt%，本發明該廢棄耐火磚較佳可以選取來自於鎂質廢棄耐火磚(包括鎂質、鎂鉻質、鎂鋁質、鎂碳質)，其粒徑安排較佳為0.5mm者小於15wt%。 The present invention relates to a refractory concrete and its preparation method, including: 30-40wt% of waste refractory bricks. The waste refractory bricks of the present invention can preferably be selected from magnesia waste refractory bricks (including magnesia, magnesia chromium, magnesia aluminum , Magnesium carbonaceous), the particle size is preferably 0.5mm and less than 15wt%.
分散劑(Dispersant)2~4wt%，本發明該分散劑較佳係選自木質磺酸鈉(sodium ligninsulfonate)，木質磺酸鈉是一種天然高分子聚合物之陰離子型表面活性劑，由於具有強分散能力可以提供良好的施工性能，有助 鑄件緻密度提昇。 Dispersant (Dispersant) 2~4wt%, the dispersant of the present invention is preferably selected from sodium ligninsulfonate (sodium ligninsulfonate), sodium ligninsulfonate is a natural polymer anionic surfactant, due to its strong Dispersion ability can provide good construction performance and help The density of castings is improved.
抗氧化劑2~4wt%，本發明之抗氧化劑較佳為鋁(Al)微粉，可以減少殘碳的氧化，同時形成高熔點的碳化物，有助提高材料的抗渣性及耐剝落性。 The antioxidant is 2~4wt%. The antioxidant of the present invention is preferably aluminum (Al) fine powder, which can reduce the oxidation of residual carbon and at the same time form high melting point carbides, which helps to improve the slag resistance and peeling resistance of the material.
助熔劑2~4wt%，本發明之助熔劑較佳為硼酸(H3BO3)或氯化鉀(KCl)，藉由該助熔劑適度之添加，可以讓材料在熱處理工序得到第一階段的燒結，並在第二階段鋼水澆注中，與碳形成二元化合物，對材料的熱間強度、抗侵蝕提供一定的作用。 The flux is 2~4wt%. The flux of the present invention is preferably boric acid (H3BO3) or potassium chloride (KCl). With the proper addition of the flux, the material can be sintered in the first stage of the heat treatment process, and In the second stage of molten steel pouring, it forms a binary compound with carbon, which provides a certain effect on the thermal strength and corrosion resistance of the material.
高性能微粉0.5~1.5wt%，本發明較佳之高性能微粉可以選取二氧化矽(SiO2)，高性能微粉通過高速攪拌，使材料中氣孔細化並分佈均勻。受熱膨脹的特性，也為材料提供良好的緻密性。 The high-performance micropowder is 0.5~1.5wt%. The preferred high-performance micropowder of the present invention can be silicon dioxide (SiO2). The high-performance micropowder can be stirred at a high speed to make the pores in the material thin and evenly distributed. The properties of thermal expansion also provide the material with good compactness.
酚醛樹脂(phenolic resin)2~4wt%，本發明可以利用酚醛樹脂具有耐高溫之特性，以及與各種有機和無機填料都能相容的特性，提供適用於公共運輸及安全要求等級的樹脂，在交聯後取得良好高溫強度的需求。 Phenolic resin (phenolic resin) 2~4wt%, the present invention can make use of phenolic resin has the characteristics of high temperature resistance, and the characteristics of compatibility with various organic and inorganic fillers, to provide resins suitable for public transportation and safety requirements. Need to obtain good high temperature strength after crosslinking.
尖晶石或陶瓷5~10wt%，本發明該尖晶石較佳為氧化鎂鋁(MgAl2O4)，或者以陶瓷為替代，提供高溫時與廢棄耐火磚(基質)形成一定的尖晶石相。 Spinel or ceramic is 5-10wt%. The spinel of the present invention is preferably magnesium aluminum oxide (MgAl2O4), or ceramics are used as a substitute to form a certain spinel phase with discarded refractory bricks (matrix) at high temperatures.
餘則添加氧化鎂(MgO)，該氧化鎂(MgO)之熱傳導率高，能將高溫熱流傳導散發開，更於投料前經由重燒90分鐘以上，而令其具有高耐火度，本發明鎂質熟料較佳之配置可以粒徑5mm以上者小於5%，0.297mm以下者不大於5%。 The rest is added with magnesium oxide (MgO). The magnesium oxide (MgO) has high thermal conductivity and can dissipate the high-temperature heat flow. It is reburned for more than 90 minutes before feeding, so that it has high refractoriness. The better configuration of quality clinker can be less than 5% for those with a particle size of 5mm or more, and no more than 5% for those with a particle size of 0.297mm or less.
令其總合不逾100wt%。 So that the total does not exceed 100wt%.
本發明將前述材料經過rpm/120~150高速攪拌機混練，其中鎂質熟料與廢棄耐火磚為骨材，兩者合併佔全部之50wt%先行入機攪拌後，結合劑比重較大的先行入機，微粉於最後加入，出料口溫度達到45~50℃。然後再以可以兼具施工工序的噸袋包裝，並架設內模，以乾式振動工序澆鑄，再經熱處理(利用現有分鋼槽預熱系統)350~400℃ 6~8小時，然後脫模後上線使用。 In the present invention, the aforementioned materials are kneaded by a rpm/120-150 high-speed mixer, in which magnesia clinker and waste refractory bricks are aggregates, and the two are combined to account for 50wt% of the total. The machine, the micro powder is added at the end, and the temperature of the discharge port reaches 45~50℃. Then it is packaged in a large bag that can be used for both construction processes, and an inner mold is set up, cast in a dry vibration process, and then subjected to heat treatment (using the existing steel slot preheating system) at 350~400℃ for 6~8 hours, and then demoulded Go online.
綜上所述，本發明確實符合產業利用性，且未於申請前見於刊物或公開使用，亦未為公眾所知悉，且具有非顯而易知性，符合可專利之要件，爰依法提出專利申請。惟上述所陳，為本發明產業上一較佳實施例，舉凡依本發明申請專利範圍所作之均等變化，皆屬本案訴求標的之範疇。 In summary, the present invention is indeed in line with industrial applicability, has not been seen in publications or publicly used before the application, has not been known to the public, and is non-obvious and easy to know, and meets the requirements of patentability. A patent application is filed in accordance with the law. . However, the above-mentioned report is a preferred embodiment in the industry of the invention, and all the equivalent changes made in accordance with the scope of the patent application of the invention belong to the scope of the claims of this case.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW108108965A TWI683795B (en) | 2019-03-15 | 2019-03-15 | Refractory concrete manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW108108965A TWI683795B (en) | 2019-03-15 | 2019-03-15 | Refractory concrete manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TWI683795B TWI683795B (en) | 2020-02-01 |
| TW202035331A true TW202035331A (en) | 2020-10-01 |
Family
ID=70413223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW108108965A TWI683795B (en) | 2019-03-15 | 2019-03-15 | Refractory concrete manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| TW (1) | TWI683795B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100445233C (en) * | 2005-12-06 | 2008-12-24 | 何金星 | Concrete slurry containing magnesium and its preparation process and application thereof |
| DE102006051661A1 (en) * | 2006-11-02 | 2008-05-08 | Evonik Degussa Gmbh | Preparation for the production of refractory materials |
| CN104311086A (en) * | 2014-10-28 | 2015-01-28 | 宁夏天纵泓光余热发电技术有限公司 | Light magnesium slag refractory castable |
| EP3176140B1 (en) * | 2015-12-01 | 2019-04-10 | Imertech | Refractory magnesia cement |
-
2019
- 2019-03-15 TW TW108108965A patent/TWI683795B/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| TWI683795B (en) | 2020-02-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107879753B (en) | Silicon carbide-magnesium aluminate spinel composite refractory material | |
| CN101921128B (en) | Pouring material for lime rotary kiln | |
| CN103864433B (en) | Periclase-magnesium aluminate spinel refractory material for rotary cement kiln and preparation method thereof | |
| CN101367666A (en) | Large-scale, specially shaped mullite-corundum system sintered refractory material product and preparing technique thereof | |
| CN104230353B (en) | A kind of resistive connection skin preformed bricks | |
| CN103553666A (en) | Refractory castable for rotary kiln mouth and kiln head hood | |
| JP2018184315A (en) | Carbon-containing castable refractory and method for producing carbon-containing castable refractory | |
| CN103570364A (en) | Unfired magnesia-alumina spinel brick | |
| CN103880454A (en) | Tap hole reclaimed material recycled quick-dry anti-explosion castable | |
| CN103922771A (en) | Storage iron runner castable produced by adopting waste iron runner material | |
| CN109437939B (en) | Refractory mortar and preparation method thereof | |
| JP5943032B2 (en) | Manufacturing method of lightweight heat-insulating alumina / magnesia refractory | |
| CN113968745A (en) | Refractory castable for predecomposition system of co-processing solid waste cement kiln | |
| CN102898168B (en) | Compound magnesium-aluminum-chrome refractory castable for copper smelting tundish | |
| JP4796170B2 (en) | Chromium castable refractories and precast blocks using the same | |
| JP6427456B2 (en) | Unshaped refractory composition and unshaped refractory | |
| CN103159489B (en) | Fabricated part for coal water slurry pressurization gasification furnace and production method thereof | |
| CN102503458B (en) | Silicon carbide anti-skinning anti-plugging casting material and preparation method thereof | |
| TW202035331A (en) | Production method of refractory concrete capable of reducing environmental burden and consumption of resources to reduce the production cost | |
| WO2011153932A1 (en) | Structure and heat insulation integrated composite brick | |
| CN104311070A (en) | Zirconium oxide fiber refractory castable | |
| CN106866126A (en) | A kind of corundum spinelle refractory brick and preparation method thereof | |
| CN103833382A (en) | Environment-friendly refractory castable used for vacuum refining furnaces, and preparation method thereof | |
| CN103553645B (en) | Application method of cement-free castable | |
| JP5995315B2 (en) | Irregular refractory |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Annulment or lapse of patent due to non-payment of fees |