CN105521828B - 一种化工用担体 - Google Patents
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- 239000000126 substance Substances 0.000 title claims abstract description 23
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 claims abstract description 47
- 239000011248 coating agent Substances 0.000 claims abstract description 36
- 238000000576 coating method Methods 0.000 claims abstract description 36
- 239000002131 composite material Substances 0.000 claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 25
- 229910001069 Ti alloy Inorganic materials 0.000 claims abstract description 19
- 239000000758 substrate Substances 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims description 21
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 20
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 20
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 20
- 239000000843 powder Substances 0.000 claims description 20
- JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Chemical compound O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 claims description 18
- 239000011148 porous material Substances 0.000 claims description 18
- INZDTEICWPZYJM-UHFFFAOYSA-N 1-(chloromethyl)-4-[4-(chloromethyl)phenyl]benzene Chemical compound C1=CC(CCl)=CC=C1C1=CC=C(CCl)C=C1 INZDTEICWPZYJM-UHFFFAOYSA-N 0.000 claims description 10
- 241000195493 Cryptophyta Species 0.000 claims description 10
- 229910052779 Neodymium Inorganic materials 0.000 claims description 10
- 229910052777 Praseodymium Inorganic materials 0.000 claims description 10
- 229910021536 Zeolite Inorganic materials 0.000 claims description 10
- 229910026551 ZrC Inorganic materials 0.000 claims description 10
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 10
- OTCHGXYCWNXDOA-UHFFFAOYSA-N [C].[Zr] Chemical group [C].[Zr] OTCHGXYCWNXDOA-UHFFFAOYSA-N 0.000 claims description 10
- 239000000853 adhesive Substances 0.000 claims description 10
- 230000001070 adhesive effect Effects 0.000 claims description 10
- 229910052797 bismuth Inorganic materials 0.000 claims description 10
- GVEHJMMRQRRJPM-UHFFFAOYSA-N chromium(2+);methanidylidynechromium Chemical compound [Cr+2].[Cr]#[C-].[Cr]#[C-] GVEHJMMRQRRJPM-UHFFFAOYSA-N 0.000 claims description 10
- 239000004927 clay Substances 0.000 claims description 10
- 229910017052 cobalt Inorganic materials 0.000 claims description 10
- 239000010941 cobalt Substances 0.000 claims description 10
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 10
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 10
- 239000010433 feldspar Substances 0.000 claims description 10
- 229910052738 indium Inorganic materials 0.000 claims description 10
- 239000000395 magnesium oxide Substances 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 10
- 238000000465 moulding Methods 0.000 claims description 10
- 229910052759 nickel Inorganic materials 0.000 claims description 10
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 10
- 229910000027 potassium carbonate Inorganic materials 0.000 claims description 10
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 10
- 229910052709 silver Inorganic materials 0.000 claims description 10
- 239000010936 titanium Substances 0.000 claims description 10
- 229910003470 tongbaite Inorganic materials 0.000 claims description 10
- 229910052727 yttrium Inorganic materials 0.000 claims description 10
- 239000010457 zeolite Substances 0.000 claims description 10
- 150000003839 salts Chemical class 0.000 claims description 7
- 235000013599 spices Nutrition 0.000 claims description 7
- 206010013786 Dry skin Diseases 0.000 claims description 6
- DQMUQFUTDWISTM-UHFFFAOYSA-N O.[O-2].[Fe+2].[Fe+2].[O-2] Chemical compound O.[O-2].[Fe+2].[Fe+2].[O-2] DQMUQFUTDWISTM-UHFFFAOYSA-N 0.000 claims description 5
- 239000003054 catalyst Substances 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000001914 filtration Methods 0.000 abstract description 2
- 238000005253 cladding Methods 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 229910052742 iron Inorganic materials 0.000 description 5
- 230000003647 oxidation Effects 0.000 description 5
- 238000007254 oxidation reaction Methods 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000002808 molecular sieve Substances 0.000 description 3
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000006356 dehydrogenation reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011959 amorphous silica alumina Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 239000012876 carrier material Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000004517 catalytic hydrocracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 229910000476 molybdenum oxide Inorganic materials 0.000 description 1
- PQQKPALAQIIWST-UHFFFAOYSA-N oxomolybdenum Chemical compound [Mo]=O PQQKPALAQIIWST-UHFFFAOYSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
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Abstract
一种化工用担体，所述担体包括基材，所述基材为钛合金，基材表面涂覆碳化钛系涂层，碳化钛系涂层外为多孔复合层，包覆碳化钛系涂层可以提高担体基材的耐腐蚀性保证材料的使用寿命；多孔滤层使担体更加有效承载催化剂。
Description
技术领域
本发明涉一种化工用担体，属于化工用材料技术领域。
背景技术
一般来说，加氢裂化催化剂是一种同时具有裂解功能和加氢-脱氢功能的催化剂。裂解功能是由酸性载体提供，而加氢脱氢功能是由活性金属提供，酸性载体大部分是以氧化铝或无定形硅铝为载体，配以一定量的分子筛，其基本制备过程是先将氧化铝或含硅氧化铝和分子筛及其它助剂直接混合，然后进行成型、干燥和焙烧，最后浸渍金属并活化。催化剂载体要求它本身必须具有足够大的比表面积和孔容，以承载活性金属组分；对于催化剂来说，二者的配合至关重要，只有二者协调作用，才能发挥最佳的催化作用。现有技术中，由于分子筛是通过物理混合加入的，不能在催化剂的其它载体材料中均匀分散，影响催化剂的反应性能。
发明内容
一种化工用担体，所述担体包括基材，所述基材为钛合金，基材表面涂覆碳化钛系涂层，碳化钛系涂层外为多孔复合层，
钛合金其各元素成分组成为：Sn 4-5﹪，Bi 2-3﹪，Ag 1-2﹪，Co 0.8-0.9﹪，Cu0.5-0.6﹪，In 0.2-0.3﹪，C 0.08-0.09﹪，Ba 0.07-0.08﹪，Nd 0.04-0.05﹪，Pr 0.03-0.04﹪，Y 0.02-0.03﹪，N 0.01-0.02﹪，余量为Ti，
碳化钛系涂层由碳化钛100份，钴20-25份，镍10-15份，碳化钒10份，碳化铬5份，三氧化钼5份， 碳化锆3份组成，
多孔复合层由（质量）长石粉30-40份，海藻泥20份，沸石粉10-15份，碳酸钾10份，三氧化二铁10份，二氧化锆7份，氧化镁7份，碳化硅5份，烧失成孔剂30-40份，成型粘结剂50-60份混合后得到混合料，将混合料包覆在碳化钛系涂层外得到球坯，将坯球在70℃干燥3小时；将干燥后的坯球在隧道窑中于600℃烧成，得到担体，多孔复合层的比表面为500-510m2/g，孔容为0.7-0.8cm3/g。
所述的一种化工用担体，钛合金其各元素成分组成为：Sn 4﹪，Bi 2﹪，Ag 1﹪，Co0.8﹪，Cu 0.5﹪，In 0.2﹪，C 0.08﹪，Ba 0.07﹪，Nd 0.04﹪，Pr 0.03﹪，Y 0.02﹪，N0.01﹪，余量为Ti。
所述的一种化工用担体，钛合金其各元素成分组成为：Sn 5﹪，Bi 3﹪，Ag 2﹪，Co0.9﹪，Cu 0.6﹪，In 0.3﹪，C 0.09﹪，Ba 0.08﹪，Nd 0.05﹪，Pr 0.04﹪，Y 0.03﹪，N0.02﹪，余量为Ti。
所述的一种化工用担体，钛合金其各元素成分组成为：Sn 4.5﹪，Bi 2.5﹪，Ag1.5﹪，Co 0.85﹪，Cu 0.55﹪，In 0.25﹪，C 0.085﹪，Ba 0.075﹪，Nd 0.045﹪，Pr0.035﹪，Y 0.025﹪，N 0.015﹪，余量为Ti。
所述的一种化工用担体，碳化钛系涂层由碳化钛100份，钴23份，镍13份，碳化钒10份，碳化铬5份，三氧化钼5份， 碳化锆3份组成。
所述的一种化工用担体，碳化钛系涂层由碳化钛100份，钴20份，镍10份，碳化钒10份，碳化铬5份，三氧化钼5份， 碳化锆3份组成。
所述的一种化工用担体，碳化钛系涂层由碳化钛100份，钴25份，镍15份，碳化钒10份，碳化铬5份，三氧化钼5份， 碳化锆3份组成。
所述的一种化工用担体，多孔复合层由（质量）长石粉30份，海藻泥20份，沸石粉10份，碳酸钾10份，三氧化二铁10份，二氧化锆7份，氧化镁7份，碳化硅5份，烧失成孔剂30份，成型粘结剂50份混合后得到混合料。
所述的一种化工用担体，多孔复合层由（质量）长石粉40份，海藻泥20份，沸石粉15份，碳酸钾10份，三氧化二铁10份，二氧化锆7份，氧化镁7份，碳化硅5份，烧失成孔剂40份，成型粘结剂50-60份混合后得到混合料。
所述的一种化工用担体，多孔复合层由（质量）长石粉35份，海藻泥20份，沸石粉13份，碳酸钾10份，三氧化二铁10份，二氧化锆7份，氧化镁7份，碳化硅5份，烧失成孔剂35份，成型粘结剂55份混合后得到混合料。
上述发明内容相对于现有技术的有益效果在于：1）本发明滤料中的基材保证了担体的强度要求；2）基材可以保证担体在工作过程中稳定性和分散性， 3）包覆碳化钛系涂层可以提高担体基材的耐腐蚀性保证材料的使用寿命；4）多孔滤层使担体更加有效承载催化剂。
附图说明
图1为化工用担体截面图示意图。
具体实施方式
为了对本发明的技术特征、目的和效果有更加清楚的理解，现详细说明本发明的具体实施方式。
如图1所示一种化工用担体，所述担体包括基材1，所述基材为钛合金，基材表面涂覆碳化钛系涂层2，碳化钛系涂层外为多孔复合层3。
实施例1
一种化工用担体，所述担体包括基材，所述基材为钛合金，基材表面涂覆碳化钛系涂层，碳化钛系涂层外为多孔复合层，
钛合金其各元素成分组成为：Sn 4﹪，Bi 2﹪，Ag 1﹪，Co 0.8﹪，Cu 0.5﹪，In0.2﹪，C 0.08﹪，Ba 0.07﹪，Nd 0.04﹪，Pr 0.03﹪，Y 0.02﹪，N 0.01﹪，余量为Ti，
碳化钛系涂层由碳化钛100份，钴20份，镍10份，碳化钒10份，碳化铬5份，三氧化钼5份， 碳化锆3份组成，
多孔复合层由（质量）长石粉30份，海藻泥20份，沸石粉10份，碳酸钾10份，三氧化二铁10份，二氧化锆7份，氧化镁7份，碳化硅5份，烧失成孔剂30份，成型粘结剂50-60份混合后得到混合料，将混合料包覆在碳化钛系涂层外得到球坯，将坯球在70℃干燥3小时；将干燥后的坯球在隧道窑中于600℃烧成，得到担体，多孔复合层的比表面为500-510m2/g，孔容为0.7-0.8cm3/g。
实施例2
一种化工用担体，所述担体包括基材，所述基材为钛合金，基材表面涂覆碳化钛系涂层，碳化钛系涂层外为多孔复合层，
钛合金其各元素成分组成为：Sn 5﹪，Bi 3﹪，Ag 2﹪，Co 0.9﹪，Cu 0.6﹪，In0.3﹪，C 0.09﹪，Ba 0.08﹪，Nd 0.05﹪，Pr 0.04﹪，Y 0.03﹪，N 0.02﹪，余量为Ti，
碳化钛系涂层由碳化钛100份，钴25份，镍15份，碳化钒10份，碳化铬5份，三氧化钼5份， 碳化锆3份组成，
多孔复合层由（质量）长石粉40份，海藻泥20份，沸石粉15份，碳酸钾10份，三氧化二铁10份，二氧化锆7份，氧化镁7份，碳化硅5份，烧失成孔剂40份，成型粘结剂60份混合后得到混合料，将混合料包覆在碳化钛系涂层外得到球坯，将坯球在70℃干燥3小时；将干燥后的坯球在隧道窑中于600℃烧成，得到担体，多孔复合层的比表面为500-510m2/g，孔容为0.7-0.8cm3/g。
实施例3
一种化工用担体，所述担体包括基材，所述基材为钛合金，基材表面涂覆碳化钛系涂层，碳化钛系涂层外为多孔复合层，
钛合金其各元素成分组成为：Sn 4.5﹪，Bi 2.5﹪，Ag 1.5﹪，Co 0.85﹪，Cu0.55﹪，In 0.25﹪，C 0.085﹪，Ba 0.075﹪，Nd 0.045﹪，Pr 0.035﹪，Y 0.025﹪，N0.015﹪，余量为Ti，
碳化钛系涂层由碳化钛100份，钴23份，镍13份，碳化钒10份，碳化铬5份，三氧化钼5份， 碳化锆3份组成，
多孔复合层由（质量）长石粉35份，海藻泥20份，沸石粉13份，碳酸钾10份，三氧化二铁10份，二氧化锆7份，氧化镁7份，碳化硅5份，烧失成孔剂35份，成型粘结剂55份混合后得到混合料，将混合料包覆在碳化钛系涂层外得到球坯，将坯球在70℃干燥3小时；将干燥后的坯球在隧道窑中于600℃烧成，得到担体，多孔复合层的比表面为500-510m2/g，孔容为0.7-0.8cm3/g。
实施例4
一种化工用担体，所述担体包括基材，所述基材为钛合金，基材表面涂覆碳化钛系涂层，碳化钛系涂层外为多孔复合层，
钛合金其各元素成分组成为：Sn 4.3﹪，Bi 2.1﹪，Ag 1.2﹪，Co 0.83﹪，Cu0.52﹪，In 0.21﹪，C 0.082﹪，Ba 0.073﹪，Nd 0.044﹪，Pr 0.033﹪，Y 0.022﹪，N0.011﹪，余量为Ti，
碳化钛系涂层由碳化钛100份，钴21份，镍12份，碳化钒10份，碳化铬5份，三氧化钼5份， 碳化锆3份组成，
多孔复合层由（质量）长石粉31份，海藻泥20份，沸石粉12份，碳酸钾10份，三氧化二铁10份，二氧化锆7份，氧化镁7份，碳化硅5份，烧失成孔剂31份，成型粘结剂51份混合后得到混合料，将混合料包覆在碳化钛系涂层外得到球坯，将坯球在70℃干燥3小时；将干燥后的坯球在隧道窑中于600℃烧成，得到担体，多孔复合层的比表面为500-510m2/g，孔容为0.7-0.8cm3/g。
实施例5
一种化工用担体，所述担体包括基材，所述基材为钛合金，基材表面涂覆碳化钛系涂层，碳化钛系涂层外为多孔复合层，
钛合金其各元素成分组成为：Sn 4.9﹪，Bi 2.9﹪，Ag 1.8﹪，Co 0.87﹪，Cu0.56﹪，In 0.27﹪，C 0.088﹪，Ba 0.078﹪，Nd 0.047﹪，Pr 0.036﹪，Y 0.027﹪，N0.018﹪，余量为Ti，
碳化钛系涂层由碳化钛100份，钴24份，镍14份，碳化钒10份，碳化铬5份，三氧化钼5份， 碳化锆3份组成，
多孔复合层由（质量）长石粉39份，海藻泥20份，沸石粉14份，碳酸钾10份，三氧化二铁10份，二氧化锆7份，氧化镁7份，碳化硅5份，烧失成孔剂37份，成型粘结剂58份混合后得到混合料，将混合料包覆在碳化钛系涂层外得到球坯，将坯球在70℃干燥3小时；将干燥后的坯球在隧道窑中于600℃烧成，得到担体，多孔复合层的比表面为500-510m2/g，孔容为0.7-0.8cm3/g。
Claims (1)
1.一种化工用担体，所述担体包括基材，所述基材为钛合金，基材表面涂覆碳化钛系涂层，碳化钛系涂层外为多孔复合层，
钛合金其各元素成分组成为：Sn 4.3%，Bi 2.1%，Ag 1.2%，Co 0.83%，Cu 0.52%，In0.21%，C 0.082%，Ba 0.073%，Nd 0.044%，Pr 0.033%，Y 0.022%，N 0.011%，余量为Ti，
碳化钛系涂层由碳化钛100份，钴21份，镍12份，碳化钒10份，碳化铬5份，三氧化钼5份，碳化锆3份组成，
多孔复合层由质量份长石粉31份，海藻泥20份，沸石粉12份，碳酸钾10份，三氧化二铁10份，二氧化锆7份，氧化镁7份，碳化硅5份，烧失成孔剂31份，成型粘结剂51份混合后得到混合料，将混合料包覆在碳化钛系涂层外得到球坯，将坯球在70℃干燥3小时；将干燥后的坯球在隧道窑中于600℃烧成，得到担体，多孔复合层的比表面为500-510m2/g，孔容为0.7-0.8cm3/g。
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