CN112194472A - 一种气化炉及电站锅炉修补用耐磨胶及生产工艺 - Google Patents
一种气化炉及电站锅炉修补用耐磨胶及生产工艺 Download PDFInfo
- Publication number
- CN112194472A CN112194472A CN202011096309.7A CN202011096309A CN112194472A CN 112194472 A CN112194472 A CN 112194472A CN 202011096309 A CN202011096309 A CN 202011096309A CN 112194472 A CN112194472 A CN 112194472A
- Authority
- CN
- China
- Prior art keywords
- component
- powder
- glue
- corundum
- raw materials
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
- C04B35/101—Refractories from grain sized mixtures
- C04B35/106—Refractories from grain sized mixtures containing zirconium oxide or zircon (ZrSiO4)
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
- C04B35/101—Refractories from grain sized mixtures
- C04B35/105—Refractories from grain sized mixtures containing chromium oxide or chrome ore
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/16—Making or repairing linings increasing the durability of linings or breaking away linings
- F27D1/1678—Increasing the durability of linings; Means for protecting
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
- C04B2235/3218—Aluminium (oxy)hydroxides, e.g. boehmite, gibbsite, alumina sol
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3418—Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3427—Silicates other than clay, e.g. water glass
- C04B2235/3463—Alumino-silicates other than clay, e.g. mullite
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/52—Constituents or additives characterised by their shapes
- C04B2235/5208—Fibers
- C04B2235/5212—Organic
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/74—Physical characteristics
- C04B2235/77—Density
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
- C04B2235/9607—Thermal properties, e.g. thermal expansion coefficient
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
- C04B2235/9607—Thermal properties, e.g. thermal expansion coefficient
- C04B2235/9615—Linear firing shrinkage
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/16—Making or repairing linings increasing the durability of linings or breaking away linings
- F27D2001/1605—Repairing linings
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
本申请涉及一种气化炉及电站锅炉修补用耐磨胶,原料由A组分及B组分组成,其中A组分与B组分的质量比为2:1;A组分中原料以重量百分比计,含有板状刚玉30%~35%,锆刚玉粉10%~20%,铬刚玉粉30%~35%,硅微粉5%~15%,膨胀剂5%~15%,结合剂3%~6%,粘结剂1%~5%,陈腐剂0.5%~1.5%,以上述原料为基础,外加基础原料总量0.05%~0.8%的工程纤维、0.15%~0.7%的外加剂;B组分中原料以重量百分比计,含有磷酸70%~80%,氢氧化铝10%~15%,氧化锆超细粉5%~7%,钇基稳定锆3%~8%,铬绿0.3%~2.3%。本申请的修补用耐磨胶具有耐压强度高、导热系数低、加热永久线变化率低等优点,优于同类产品。
Description
技术领域
本发明涉及一种气化炉及电站锅炉修补用耐磨胶及生产工艺,属于耐磨耐火材料技术领域。
背景技术
气化炉,或称煤制气气化炉,是煤化工行业气化装置的关键大型设备之一。电站锅炉,或称CFB循环流化床锅炉,是指发电厂中向汽轮机提供规定数量和质量蒸汽的中大型锅炉,是火力发电厂的主要热力设备之一。气化炉、电站锅炉内的耐火材料起到隔热作用,耐火材料的砌筑质量决定了整套系统装置的安全性、稳定性和使用寿命,决定了气化炉、电站锅炉能否长期稳定安全的长周期运行,这直接影响气化炉、电站锅炉的使用效益。
当下气化炉、电站锅炉等中低温热工设备因长期受煤粉颗粒、气流压力等原因,造成耐火衬体表面磨损。若不及时抢修,就会造成锅炉内的部件磨损,增加锅炉发生危险事故等几率。锅炉衬里材料局部磨损后,传统的修补方法依赖工人使用风镐、电镐等工具对炉墙进行拆除,再按照炉墙结构使用硅酸铝陶瓷纤维毯、保温浇注料、可塑料进行修补,对于运行的锅炉来说,影响年运行时间。因此,如果可以在检修的同时下对炉墙大面积磨损部位进行修补,一方面可以缩短检修时间,另一方面也能够降低锅炉业主因检修时间紧迫造成的经济损失。
发明内容
针对现有技术的不足,本发明的目的是提供一种气化炉及电站锅炉修补用耐磨胶及生产工艺。
为了实现上述目的,本发明所采用的技术方案是:
一种气化炉及电站锅炉修补用耐磨胶,原料由A组分及B组分组成,其中A组分与B组分的质量比为2:1;
A组分中原料以重量百分比计,含有板状刚玉30%~35%,锆刚玉粉10%~20%,铬刚玉粉30%~35%,硅微粉5%~15%,膨胀剂5%~15%,结合剂3%~6%,粘结剂1%~5%,陈腐剂0.5%~1.5%,以上述原料为基础,外加基础原料总量0.05%~0.8%的工程纤维、0.15%~0.7%的外加剂;
B组分中原料以重量百分比计,含有磷酸70%~80%,氢氧化铝10%~15%,氧化锆超细粉5%~7%,钇基稳定锆3%~8%,铬绿0.3%~2.3%。
所述膨胀剂为硅石粉、蓝晶石、红柱石中任一种或两种及以上的混合物;结合剂为α-氧化铝;粘结剂为糊精、废纸浆、糖蜜中任一种或两种及以上的混合物;陈腐剂为草酸或/和柠檬酸。
所述板状刚玉的粒度为≤3mm;锆刚玉粉的粒度为≤74μm;铬刚玉粉的粒度为≤46μm;氧化锆超细粉的粒度为200μm;硅石粉的粒度为≤74μm。
所述外加剂为羧甲基纤维素钠CMC;氢氧化铝为油墨级氢氧化铝;板状刚玉中氧化铝的含量为98%~99.5%。
所述工程纤维以同伴聚丙纤维、同伴聚酯纤维为主导,纤维长度为15mm~20mm,纤维直径为18μm~40μm。
所述修补用耐磨胶的生产工艺,包括以下步骤:
(1)按配比称取A组分各原料,先将板状刚玉、锆刚玉粉、铬刚玉粉、硅微粉、膨胀剂、结合剂、粘结剂、陈腐剂、工程纤维,混合搅拌10min,然后加入外加剂,混合搅拌10min,得混合料,备用;
(2)按配比称取将B组分各原料,混合均匀后,在60~80℃条件下,加热反应24h,制成胶体状的PA80胶,备用;
(3)向加湿搅拌机中加入上述混合料和PA80胶,其中PA80胶分两次加入,第一次加入70%的PA80胶,搅拌30min,困料3h,第二次加入余下的PA80胶,搅拌30min,困料24h后,再次搅拌30min,使混合料与PA80胶混合均匀,得泥料,即得本发明产品。
本发明有益效果:
本发明原料中采用硅石粉、蓝晶石、红柱石为膨胀剂,其中蓝晶石可在1200~1400℃的温度范围内,因晶型的转化而产生10%左右的体积膨胀,可以抵消粘结剂在高温烧成时的体积收缩,防止烧结裂纹的产生,提高制品的高温使用性能和常温耐压强度。
本发明原料中采用的工程纤维是一种束状细丝状的人工合成纤维,加工过程中纤维能迅速且均匀的分散于添加有结合剂的泥料中,形成一种多向支撑体系,分散了泥料的定向应力,阻止泥料中原生裂缝的发生和发展,消除或减少了原生微裂缝的数量。另外由于纤维本身具有一定的强度,纤维均匀分散在泥料中并形成锚固作用,其在窑炉烘烤过程中可吸收一定的破坏能量,降低气化炉、电站锅炉等窑炉内衬裂纹产生的可能性。
本发明的修补用耐磨胶配方简单,原料易得,具有耐压强度高、导热系数低、加热永久线变化率低等优点,其产品优于同类产品。其中体积密度≥3.6g/cm3,导热系数(350℃)≤0.15W/(m·K),常温耐压强度(110℃×24h)≥140MPa,耐压强度(1000℃×3h)≥165MPa,常温抗折强度(110℃×24h)≥30MPa,耐压强度(1000℃×3h)≥55MPa,加热永久线变化(1000℃×3h)为±0.03%。
本发明的修补用耐磨胶可用于各种热工设备的隔热层、耐火层,在炉墙表面磨损不超过35mm的情况下均可使用,具有节能、耐火的双重作用,有利于推广应用。
具体实施方式
以下结合实施例对本发明的具体实施方式作进一步详细说明。
实施例中修补用耐磨胶的原料要求如下:
膨胀剂为硅石粉、蓝晶石、红柱石中任一种或两种及以上的混合物;结合剂为α-氧化铝;粘结剂为糊精、废纸浆、糖蜜中任一种或两种及以上的混合物;陈腐剂为草酸或/和柠檬酸;
板状刚玉的粒度为≤3mm;锆刚玉粉的粒度为≤74μm;铬刚玉粉的粒度为≤46μm;氧化锆超细粉的粒度为200μm;硅石粉的粒度为≤74μm;
外加剂为羧甲基纤维素钠CMC;氢氧化铝为油墨级氢氧化铝;板状刚玉中氧化铝的含量为98%~99.5%;硅微粉的流动值为120mm~160mm;
工程纤维以同伴聚丙纤维、同伴聚酯纤维为主导,纤维长度为15mm~20mm,纤维直径为18μm~40μm。
实施例1
一种气化炉及电站锅炉修补用耐磨胶,原料由A组分及B组分组成,其中A组分与B组分的质量比为2:1;
A组分中原料以重量百分比计,含有板状刚玉30%,锆刚玉粉15%,铬刚玉粉30%,硅微粉5%,蓝晶石10%,α-氧化铝5%,糊精4%,草酸1%,以上述原料为基础,外加基础原料总量0.6%的工程纤维、0.5%的羧甲基纤维素钠CMC;
B组分中原料以重量百分比计,含有磷酸80%,油墨级氢氧化铝10%,氧化锆超细粉5%,钇基稳定锆3.5%,铬绿1.5%。
该耐磨胶的生产工艺,包括以下步骤:
(1)按配比称取A组分各原料,先将板状刚玉、锆刚玉粉、铬刚玉粉、硅微粉、硅石粉、α-氧化铝、糊精、草酸、工程纤维,混合搅拌10min,然后加入羧甲基纤维素钠CMC,混合搅拌10min,得混合料,备用;
(2)按配比称取将B组分各原料,混合均匀后,在60~80℃条件下,加热反应24h,制成胶体状的PA80胶,备用;
(3)向加湿搅拌机中加入上述混合料和PA80胶,其中PA80胶分两次加入,第一次加入70%的PA80胶,搅拌30min,困料3h,第二次加入余下的PA80胶,搅拌30min,困料24h后,再次搅拌30min,使混合料与PA80胶混合均匀,得泥料,装入包装袋,待用。
该修补用耐磨胶使用方便,可以使用手工涂抹或机械喷涂的方法施工。
实施例2
一种气化炉及电站锅炉修补用耐磨胶,原料由A组分及B组分组成,其中A组分与B组分的质量比为2:1;
A组分中原料以重量百分比计,含有板状刚玉35%,锆刚玉粉10%,铬刚玉粉35%,硅微粉5%,硅石粉和蓝晶石5%,α-氧化铝3.5%,糊精和废纸浆5%,草酸和柠檬酸1.5%,以上述原料为基础,外加基础原料总量0.3%的工程纤维、0.15%的羧甲基纤维素钠CMC;
B组分中原料以重量百分比计,含有磷酸70%,油墨级氢氧化铝15%,氧化锆超细粉7%,钇基稳定锆6%,铬绿2%。
该耐磨胶的生产工艺,包括以下步骤:
(1)按配比称取A组分各原料,先将板状刚玉、锆刚玉粉、铬刚玉粉、硅微粉、硅石粉、蓝晶石、α-氧化铝、糊精、废纸浆、草酸、柠檬酸、工程纤维,混合搅拌10min,然后加入羧甲基纤维素钠CMC,混合搅拌10min,得混合料,备用;
(2)按配比称取将B组分各原料,混合均匀后,在60~80℃条件下,加热反应24h,制成胶体状的PA80胶,备用;
(3)向加湿搅拌机中加入上述混合料和PA80胶,其中PA80胶分两次加入,第一次加入70%的PA80胶,搅拌30min,困料3h,第二次加入余下的PA80胶,搅拌30min,困料24h后,再次搅拌30min,使混合料与PA80胶混合均匀,得泥料,装入包装袋,待用。
实施例3
一种气化炉及电站锅炉修补用耐磨胶,原料由A组分及B组分组成,其中A组分与B组分的质量比为2:1;
A组分中原料以重量百分比计,含有板状刚玉30%,锆刚玉粉15%,铬刚玉粉30%,硅微粉15%,红柱石5%,α-氧化铝3%,糖蜜1%,柠檬酸1%,以上述原料为基础,外加基础原料总量0.6%的工程纤维、0.5%的羧甲基纤维素钠CMC;
B组分中原料以重量百分比计,含有磷酸75%,油墨级氢氧化铝10%,氧化锆超细粉5%,钇基稳定锆8%,铬绿2%。
该耐磨胶的生产工艺,包括以下步骤:
(1)按配比称取A组分各原料,先将板状刚玉、锆刚玉粉、铬刚玉粉、硅微粉、红柱石、α-氧化铝、糖蜜、柠檬酸、工程纤维,混合搅拌10min,然后加入羧甲基纤维素钠CMC,混合搅拌10min,得混合料,备用;
(2)按配比称取将B组分各原料,混合均匀后,在60~80℃条件下,加热反应24h,制成胶体状的PA80胶,备用;
(3)向加湿搅拌机中加入上述混合料和PA80胶,其中PA80胶分两次加入,第一次加入70%的PA80胶,搅拌30min,困料3h,第二次加入余下的PA80胶,搅拌30min,困料24h后,再次搅拌30min,使混合料与PA80胶混合均匀,得泥料,装入包装袋,待用。
实施例4
本发明实施例1-3的修补用耐磨胶的性能参数如下表。
Claims (6)
1.一种气化炉及电站锅炉修补用耐磨胶,其特征在于,原料由A组分及B组分组成,其中A组分与B组分的质量比为2:1;
A组分中原料以重量百分比计,含有板状刚玉30%~35%,锆刚玉粉10%~20%,铬刚玉粉30%~35%,硅微粉5%~15%,膨胀剂5%~15%,结合剂3%~6%,粘结剂1%~5%,陈腐剂0.5%~1.5%,以上述原料为基础,外加基础原料总量0.05%~0.8%的工程纤维、0.15%~0.7%的外加剂;
B组分中原料以重量百分比计,含有磷酸70%~80%,氢氧化铝10%~15%,氧化锆超细粉5%~7%,钇基稳定锆3%~8%,铬绿0.3%~2.3%。
2.根据权利要求1所述的修补用耐磨胶,其特征在于,所述膨胀剂为硅石粉、蓝晶石、红柱石中任一种或两种及以上的混合物;结合剂为α-氧化铝;粘结剂为糊精、废纸浆、糖蜜中任一种或两种及以上的混合物;陈腐剂为草酸或/和柠檬酸。
3.根据权利要求2所述的修补用耐磨胶,其特征在于,所述板状刚玉的粒度为≤3mm;锆刚玉粉的粒度为≤74μm;铬刚玉粉的粒度为≤46μm;氧化锆超细粉的粒度为200μm;硅石粉的粒度为≤74μm。
4.根据权利要求3所述的修补用耐磨胶,其特征在于,所述外加剂为羧甲基纤维素钠CMC;氢氧化铝为油墨级氢氧化铝;板状刚玉中氧化铝的含量为98%~99.5%。
5.根据权利要求4所述的修补用耐磨胶,其特征在于,所述工程纤维以同伴聚丙纤维、同伴聚酯纤维为主导,纤维长度为15mm~20mm,纤维直径为18μm~40μm。
6.一种如权利要求1-5任一项所述修补用耐磨胶的生产工艺,其特征在于,包括以下步骤:
(1)按配比称取A组分各原料,先将板状刚玉、锆刚玉粉、铬刚玉粉、硅微粉、膨胀剂、结合剂、粘结剂、陈腐剂、工程纤维,混合搅拌10min,然后加入外加剂,混合搅拌10min,得混合料,备用;
(2)按配比称取将B组分各原料,混合均匀后,在60~80℃条件下,加热反应24h,制成胶体状的PA80胶,备用;
(3)向加湿搅拌机中加入上述混合料和PA80胶,其中PA80胶分两次加入,第一次加入70%的PA80胶,搅拌30min,困料3h,第二次加入余下的PA80胶,搅拌30min,困料24h后,再次搅拌30min,使混合料与PA80胶混合均匀,得泥料,即得本发明产品。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011096309.7A CN112194472A (zh) | 2020-10-14 | 2020-10-14 | 一种气化炉及电站锅炉修补用耐磨胶及生产工艺 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011096309.7A CN112194472A (zh) | 2020-10-14 | 2020-10-14 | 一种气化炉及电站锅炉修补用耐磨胶及生产工艺 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN112194472A true CN112194472A (zh) | 2021-01-08 |
Family
ID=74008953
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202011096309.7A Pending CN112194472A (zh) | 2020-10-14 | 2020-10-14 | 一种气化炉及电站锅炉修补用耐磨胶及生产工艺 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN112194472A (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114014681A (zh) * | 2021-12-08 | 2022-02-08 | 湖南仁海科技材料发展有限公司 | 一种修复刚玉-莫来石推板的方法及修复粘结料 |
CN115626831A (zh) * | 2022-10-24 | 2023-01-20 | 宜兴兴贝耐火材料制品有限公司 | 一种高耐磨性锆铬基刚玉耐火可塑料及其制备方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101088963A (zh) * | 2007-06-04 | 2007-12-19 | 宜兴市国强炉业有限公司 | 高温耐磨涂料及其制造方法 |
CN101428997A (zh) * | 2008-12-08 | 2009-05-13 | 林国强 | 高温耐磨涂料及其制备方法 |
CN104355627A (zh) * | 2014-10-29 | 2015-02-18 | 安徽省皖捷液压科技有限公司 | 一种纳米氮化硅耐磨陶瓷喷嘴及其制作方法 |
CN104973868A (zh) * | 2014-04-14 | 2015-10-14 | 郑州东方炉衬材料有限公司 | 高强高铝轻质隔热耐火砖及其生产方法 |
-
2020
- 2020-10-14 CN CN202011096309.7A patent/CN112194472A/zh active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101088963A (zh) * | 2007-06-04 | 2007-12-19 | 宜兴市国强炉业有限公司 | 高温耐磨涂料及其制造方法 |
CN101428997A (zh) * | 2008-12-08 | 2009-05-13 | 林国强 | 高温耐磨涂料及其制备方法 |
CN104973868A (zh) * | 2014-04-14 | 2015-10-14 | 郑州东方炉衬材料有限公司 | 高强高铝轻质隔热耐火砖及其生产方法 |
CN104355627A (zh) * | 2014-10-29 | 2015-02-18 | 安徽省皖捷液压科技有限公司 | 一种纳米氮化硅耐磨陶瓷喷嘴及其制作方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114014681A (zh) * | 2021-12-08 | 2022-02-08 | 湖南仁海科技材料发展有限公司 | 一种修复刚玉-莫来石推板的方法及修复粘结料 |
CN115626831A (zh) * | 2022-10-24 | 2023-01-20 | 宜兴兴贝耐火材料制品有限公司 | 一种高耐磨性锆铬基刚玉耐火可塑料及其制备方法 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107698266B (zh) | 热风炉管道密封料及其制备方法 | |
CN101928153B (zh) | 一种六铝酸钙和刚玉复相多孔轻质隔热保温耐火砖 | |
CN114105676A (zh) | 一种刚玉质微纳孔绝隔热耐火材料及其制备方法 | |
CN109650882B (zh) | 一种纤维内衬用复合涂料及其制备方法 | |
CN112194472A (zh) | 一种气化炉及电站锅炉修补用耐磨胶及生产工艺 | |
CN107382346B (zh) | 耐火耐磨浇筑料及制备方法 | |
CN101857444B (zh) | 长寿型高炉用热态陶瓷喷注料 | |
CN112745109A (zh) | 一种高温抗剥落铬刚玉砖的生产方法 | |
EP4026876B1 (en) | High-temperature-resistant nano composite coating and preparation method therefor | |
CN102765954A (zh) | 用于炼铁热风炉系统的水系压入灌浆料及其制备方法 | |
CN110040995B (zh) | 一种高温用轻质韧性莫来石骨料制备方法 | |
CN101962299A (zh) | 一种多孔介质燃烧器材料及其制备方法 | |
CN106927839A (zh) | 一种微孔绝热砖 | |
CN113045323A (zh) | 梯度截热保温材料及其制备方法和应用 | |
CN107176848B (zh) | 一种致密化蓄热铁砖及其制备方法 | |
CN109133880B (zh) | 一种刚玉莫来石轻质砖的制备方法 | |
CN108455993B (zh) | 建筑耐火材料及其制备方法 | |
CN108558432B (zh) | 一种含植物本征结构的高铝质隔热砖及其制备方法 | |
CN110818435B (zh) | 半干法喷补料及其制备方法与应用 | |
CN108675808A (zh) | 一种新型工业窑炉用耐火材料及其制备方法 | |
CN114349521A (zh) | 一种高强度纳米绝热板及其制备方法 | |
CN112194453B (zh) | 一种气化炉及电站锅炉用聚轻绝热可塑砼及其生产工艺 | |
CN111763091A (zh) | 一种高热震耐磨涂料及其制备方法 | |
CN202915354U (zh) | 重结晶碳化硅锅炉燃烧器 | |
JPH0822779B2 (ja) | クッション性珪石モルタル |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210108 |