CN113803567A - 一种防腐结构、输送连接件及制备方法和应用 - Google Patents
一种防腐结构、输送连接件及制备方法和应用 Download PDFInfo
- Publication number
- CN113803567A CN113803567A CN202111123264.2A CN202111123264A CN113803567A CN 113803567 A CN113803567 A CN 113803567A CN 202111123264 A CN202111123264 A CN 202111123264A CN 113803567 A CN113803567 A CN 113803567A
- Authority
- CN
- China
- Prior art keywords
- layer
- transition
- component
- corrosion
- polypropylene
- 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
- 238000005260 corrosion Methods 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title description 6
- 230000007704 transition Effects 0.000 claims abstract description 44
- 239000004734 Polyphenylene sulfide Substances 0.000 claims abstract description 18
- 229920000069 polyphenylene sulfide Polymers 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 13
- 239000002184 metal Substances 0.000 claims abstract description 13
- 229910052751 metal Inorganic materials 0.000 claims abstract description 13
- 229920003023 plastic Polymers 0.000 claims abstract description 7
- 239000004033 plastic Substances 0.000 claims abstract description 7
- -1 polypropylene Polymers 0.000 claims description 25
- 239000004743 Polypropylene Substances 0.000 claims description 17
- 229920001155 polypropylene Polymers 0.000 claims description 17
- 230000007797 corrosion Effects 0.000 claims description 13
- 229920001903 high density polyethylene Polymers 0.000 claims description 13
- 239000004700 high-density polyethylene Substances 0.000 claims description 13
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 9
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 238000001175 rotational moulding Methods 0.000 claims description 7
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 6
- 239000004698 Polyethylene Substances 0.000 claims description 6
- 239000010962 carbon steel Substances 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 6
- 229920000573 polyethylene Polymers 0.000 claims description 5
- 229920000098 polyolefin Polymers 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000010892 electric spark Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 239000000523 sample Substances 0.000 claims description 3
- 238000004381 surface treatment Methods 0.000 claims description 3
- 229920001684 low density polyethylene Polymers 0.000 claims description 2
- 239000004702 low-density polyethylene Substances 0.000 claims description 2
- 229920001748 polybutylene Polymers 0.000 claims description 2
- 238000011109 contamination Methods 0.000 claims 1
- 238000005536 corrosion prevention Methods 0.000 claims 1
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 229910052755 nonmetal Inorganic materials 0.000 abstract description 6
- 239000010410 layer Substances 0.000 description 65
- 229910000831 Steel Inorganic materials 0.000 description 15
- 239000010959 steel Substances 0.000 description 15
- 230000000052 comparative effect Effects 0.000 description 9
- 239000002131 composite material Substances 0.000 description 9
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 7
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 7
- 235000011130 ammonium sulphate Nutrition 0.000 description 7
- 239000012452 mother liquor Substances 0.000 description 7
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 239000002585 base Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 241000270666 Testudines Species 0.000 description 1
- 241000270708 Testudinidae Species 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 210000003298 dental enamel Anatomy 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 229910000398 iron phosphate Inorganic materials 0.000 description 1
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
- F16L58/02—Protection of pipes or pipe fittings against corrosion or incrustation by means of internal or external coatings
- F16L58/04—Coatings characterised by the materials used
- F16L58/10—Coatings characterised by the materials used by rubber or plastics
- F16L58/1009—Coatings characterised by the materials used by rubber or plastics the coating being placed inside the pipe
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/02—Layer formed of wires, e.g. mesh
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/14—Layered products comprising a layer of metal next to a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/18—Layered products comprising a layer of metal comprising iron or steel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/08—Iron or steel
- C23G1/083—Iron or steel solutions containing H3PO4
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/14—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
- F16L9/147—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups comprising only layers of metal and plastics with or without reinforcement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/24—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer not being coherent before laminating, e.g. made up from granular material sprinkled onto a substrate
- B32B2037/243—Coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/103—Metal fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
- B32B2307/7145—Rot proof, resistant to bacteria, mildew, mould, fungi
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Medicinal Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Polymers & Plastics (AREA)
- Metallurgy (AREA)
- Health & Medical Sciences (AREA)
- Laminated Bodies (AREA)
Abstract
本发明涉及防腐管道技术领域,提出了一种防腐结构,所述基材为金属或塑料,所述防腐结构附着在所述基材表面,所述防腐结构包括从所述基材表面依次设置的粘结层、过渡一层、过渡二层、表面防腐层;所述粘结层内设置有与所述基材相连接的增强骨架层;所述粘结层由聚苯硫醚构成,所述过渡一层由聚苯硫醚和A组分构成,所述过渡二层由所述A组分和B组分构成,所述表面防腐层由所述B组分构成。本发明还提出了一种具有上述防腐结构的输送连接件。通过上述技术方案,解决了现有技术中的腐蚀性输送部件的非金属防腐层不耐负压容易脱落、使用寿命低、维护困难的问题。
Description
技术领域
本发明涉及防腐管道技术领域,具体的,涉及一种防腐结构、输送连接件及制备方法和应用。
背景技术
在焦化厂的硫铵生产中,母液输送管道是硫铵生产中腐蚀最重的部位之一。循环母液中除含有硫酸、氰化物、硫化物、酚等强腐蚀性介质外,还含有大量对管道产生冲刷和磨损腐蚀的硫铵结晶颗粒,因此输送管道的选材比较困难。
关于循环母液管道的材质,曾选用过紫铜管、搪瓷管、钢衬聚四氟乙烯管(CS/F)、钢滚衬聚乙烯管(CS/HDPE)、钢管衬玻璃、1Cr18Ni9Ti、SUS316L等,但总不是很理想。如CS/F和CS/HDPE管易发生蠕变,导致内衬与钢管分离堵塞管道;紫铜管在硫铵母液中腐蚀亦较重,检修周期短;普通奥氏体不锈钢1Cr18Ni9Ti在焊接时母材热影响区易形成贫铬现象,与本体形成活化—钝化电池,发生晶间腐蚀,寿命较短;理论上讲,SUS316L是不锈钢用于含硫酸的硫铵母液的最低牌号,不仅价格昂贵,同样存在晶间腐蚀和磨损腐蚀问题;而钢衬玻璃管有良好的防腐性能,使用寿命长,但内衬玻璃是极易破损的脆性材料,即使发生微小的应力和变形,可能发生内衬的破坏,因此存在安装和维护的困难。
发明内容
本发明提出一种防腐结构、输送连接件及制备方法和应用,解决了相关技术中的腐蚀性输送部件的使用寿命低、维护困难的问题。
本发明的技术方案如下:
一种基材表面的防腐结构,所述基材为金属或塑料,所述防腐结构附着在所述基材表面,所述防腐结构包括从所述基材表面依次设置的粘结层、过渡一层、过渡二层、表面防腐层;
所述粘结层内设置有与所述基材相连接的增强骨架层;
所述粘结层由聚苯硫醚构成,所述过渡一层由聚苯硫醚和A组分构成,所述过渡二层由所述A组分和B组分构成,所述表面防腐层由所述B组分构成;
所述A组分为纳米级聚烯烃,包括聚丙烯、聚乙烯、聚丁烯中的一种或多种;
所述B组分为纳米级聚烯烃,包括低密度聚乙烯、高密度聚乙烯中的一种或多种。
作为进一步的技术方案,所述粘结层厚度不低于2mm,过渡一层厚度1-2mm,过渡二层厚度1-2mm,防腐结构的总厚度控制在7-8mm。
作为进一步的技术,所述过渡一层由聚丙烯、聚苯硫醚构成,所述过渡一层由聚丙烯、聚苯硫醚构成,所述过渡二层由聚丙烯、高密度聚乙烯构成,所述表面防腐层由高密度聚乙烯构成,所述增强骨架层由金属网构成。
作为进一步的技术方案,所述过渡一层中,聚丙烯、聚苯硫醚的质量比为(5-10):1;
所述过渡二层中,聚丙烯、聚乙烯的质量比为(5-10):(3-5)。
本发明还提出一种具有如所述防腐结构的输送连接件,包括
管体,及一体设置于管体一端的连接部;
所述管体内壁设置有所述的粘结层、过渡一层、过渡二层、表面防腐层、增强骨架层。
本发明还提出一种如所述的输送连接件的制备方法,包括以下步骤:
S1、按照所需连接的管道外径将碳钢钢板切割成圆柱状;
S2、开设口径,任意开设所需的同心或偏心DN25~200若干口径;
S3、溶融锈浊;
S5、焊接增强骨架;
S6、将所述的粘结层、过渡一层、过渡二层、表面防腐层依次滚塑涂覆。
作为进一步的技术方案,所述步骤S6后还包括S7表面处理,S8电火花检测:最低检测电压为1500V,检测探头移动速度不大于100mm/s。
作为进一步的技术方案,所述步骤S3中溶融锈浊具体为:利用磷酸进行溶融锈浊,磷酸的加入量为将锈迹清除干净为准。
作为进一步的技术方案,所述步骤S6中,滚塑涂覆时,滚塑时间为2-20分钟,滚动辊圆周速度为2-50转/分,加热温度为200-250℃。
本发明还提出一种输送连接件在防腐管道中的应用,将所述连接件外圆周与所述防腐管道内壁连接。
本发明的工作原理及有益效果为:
1、本发明中的防腐结构中,焊接增强骨架,达到消除热胀冷缩效果,增大金属与非金属防腐层之间的结合力。本发明中的非金属防腐层,开创性的采用了A/AB/BC/C的模式,内层采用与金属结合力强的纳米级聚苯硫醚,多层融合能够保证层与层之间的相容性,不易发生裂损分层,还能够保证强防穿透力,杜绝渗透,内层粘合力强,外层光滑。本发明形成具有不同物理性能的衬里层,它拓宽了防腐衬里产品的应用领域,解决了聚烯烃防腐衬里与金属结构件的粘接难的问题,而且工艺要求低、适应性强;由它制造的产品,其底层具有良好的热稳定性和较高的剥离强度,结构层具有良好的防开裂性,还有其表面层具有良好的抗渗透性,多层的组合使其具有一个好的金属防腐衬里产品所应有的良好性能。
2、输送强酸强碱时应用本发明的防腐结构的钢骨架复合管(PE管材),耐温-40~80℃,口径DN50~600mm,抗冲击性好,具有较高的断裂延伸率(>350%),对非氧化性酸、稀硝酸、碱和盐溶液、有机溶剂等约275种腐蚀性介质有很好的耐腐蚀性。
3、而本发明人发现,在输送强酸强碱时应用本发明的防腐结构的钢骨架复合管,一方面,工艺安装过程中,往往现场尺寸不能满足钢骨架塑料复合管的最短加工尺寸,安装困难,使输送强酸碱管线达不到防腐效果,成为一个难以解决的技术难题。另一方面,钢骨架定长定尺与316L管道安装差异性很大,比如三通,钢结构可直接开孔焊接,钢骨架复合管必须尺寸安装。这样难于实现钢骨架复合管对硫铵母液输送管道的100%吻合安装,而且如果变三通后,堵头盲板成为泄漏重点。因此本发明提出了一种可以解决上述问题的连接件,融合钢结构及复合管的特点,达到一举两得的作用,能够实现硫铵管道设备口-泵口-设备口100%吻合安装,减少了使用过程中的接口中的跑冒滴漏,延长使用寿命,可达10年无需更换。
4、本发明的中制备连接件时采用滚塑成型,相比于传统的吹塑、喷涂成型,制造周期短,生产效率高,不仅适用于大型制件,也适用于小批量的制品生产,另外更适用于本发明中的非金属防腐涂层的物料,充分发挥物料的效能,不产生废料,有利于节约原材料。
5、本发明中采用磷酸溶融锈浊,传统除锈一般采用喷砂或角磨机打磨除锈,往往留有死角或空气湿度原因产生返锈,这样都会造成非金属防腐层脱落现象,也可以说是一种工程顽疾,本发明采用溶融锈浊除锈的方法,将金属表面锈迹钝化、化学转化彻底清除锈蚀层,根本上解决除锈不干净及返锈现象。钢铁表面形成一薄层磷酸盐,如磷酸铁保护膜,这样确保锈迹彻底清除,此基础上进行后续的操作更加坚固。
附图说明
下面结合附图和具体实施方式对本发明作进一步详细的说明。
图1为本发明防腐结构俯视图;
图中:100为增强骨架层,101为粘结层,102为过渡一层,103为过渡二层,104为表面防腐层,105为基材;
图2为本发明输送部件的结构示意图;
图中:201为管体,202为连接部。
具体实施方式
下面将结合本发明实施例,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例,都涉及本发明保护的范围。
实施例1
如图2所示,一种输送连接件,包括管体201,及一体设置于管体一端的连接部202;
所述管体201内壁附着有防腐结构(如图1所示),所述防腐结构包括从管体201表面依次设置的粘结层101、过渡一层102、过渡二层103、表面防腐层104;
所述粘结层101内设置有与所述基材105相连接的增强骨架层100;所述增强骨架层100为普通碳钢金属龟网;
所述粘结层101为聚苯硫醚构成,所述过渡一层102由质量比为5:1的聚丙烯和聚苯硫醚构成,所述过渡二层103由质量比为5:3的聚丙烯和高密度聚乙烯构成,所述表面防腐层由高密度聚乙烯构成;
制备方法:
S1、按照所需连接的管道外径将碳钢钢板切割成圆柱状;
S2、开设需要的同心DN100口径;
S3、溶融锈浊;
S5、焊接普通碳钢金属钢骨架;
S6、将所述的粘结层、过渡一层、过渡二层、表面防腐层依次滚塑涂覆,滚塑涂覆时,滚塑时间为10分钟,滚动辊圆周速度为35转/分,加热温度为220-230℃;
S7、表面处理;
S8、电火花检测:最低检测电压为1500V,检测全部衬里面,检测探头移动速度不大于100mm/s,不得有火花放电现象;
将所制备的连接件外圆周与母液输送管道内壁连接。
实施例2
与实施例1相比,连接件中过渡一层102由质量比为10:1的聚丙烯和聚苯硫醚构成,过渡二层由质量比为8:5的聚丙烯和高密度聚乙烯构成,其他均相同。
实施例3
与实施例1相比,连接件中过渡一层102由质量比为8:1的聚丙烯和聚苯硫醚构成,过渡二层由质量比为10:3的聚丙烯和高密度聚乙烯构成,其他均相同。
对比例1
不焊接普通碳钢金属龟甲网,直接采用实施例1中的方法进行涂覆。
对比例2
与实施例1相比,不涂覆聚苯硫醚层,其他与实施例1相同。
对比例3
与实施例1相比,所述过渡一层和过渡二层均由质量比为5:1的高密度聚乙烯和聚苯硫醚构成,其他与实施例1相同。
本发明实施例中的连接件,非金属与金属之间的结合力可以耐1kg以上负压,在应用过程中不发生脱落,而对比例1中耐负压0.6kg,对比例2中耐负压0.7kg,对比例3中耐负压1kg。
在上述实施例和对比例中进行电火花实验时,除对比例2外,其他火花呈现无序杂乱状,则防腐面不会被腐蚀性母液穿透,而对比例2中火花规律,穿透钻向一点,有针眼。
以上仅为本发明的较佳实施例而已,并不用以限制本发明,凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。
Claims (10)
1.一种基材表面的防腐结构,所述基材为金属或塑料,所述防腐结构附着在所述基材表面,其特征在于,所述防腐结构包括从所述基材表面依次设置的粘结层(101)、过渡一层(102)、过渡二层(103)、表面防腐层(104);
所述粘结层(101)内设置有与所述基材(105)相连接的增强骨架层(100);
所述粘结层(101)由聚苯硫醚构成,所述过渡一层(102)由聚苯硫醚和A组分构成,所述过渡二层(103)由所述A组分和B组分构成,所述表面防腐层(104)由所述B组分构成;
所述A组分为纳米级聚烯烃,包括聚丙烯、聚乙烯、聚丁烯中的一种或多种;
所述B组分为纳米级聚烯烃,包括低密度聚乙烯、高密度聚乙烯中的一种或多种。
2.根据权利要求1所述的防腐结构,其特征在于,所述粘结层(101)厚度不低于2mm,过渡一层(102)厚度1-2mm,过渡二层(103)厚度1-2mm,防腐结构的总厚度控制在7-8mm。
3.根据权利要求1所述的防腐结构,其特征在于,所述过渡一层(102)由聚丙烯、聚苯硫醚构成,所述过渡二层(103)由聚丙烯、高密度聚乙烯构成,所述表面防腐层(104)由高密度聚乙烯构成,所述增强骨架层(100)由金属网构成。
4.根据权利要求1所述的防腐结构,其特征在于,所述过渡一层(102)中,聚丙烯、聚苯硫醚的质量比为(5-10):1;
所述过渡二层(103)中,聚丙烯、聚乙烯的质量比为(5-10):(3-5)。
5.一种具有如权利要求1-4任意一项所述防腐结构的输送连接件,其特征在于,包括
管体(201),及一体设置于管体一端的连接部(202);
所述管体(201)内壁设置有权利要求1-3任意一项所述的粘结层(101)、过渡一层(102)、过渡二层(103)、表面防腐层(104)、增强骨架层(100)。
6.一种如权利要求5所述的输送连接件的制备方法,其特征在于,包括以下步骤:
S1、按照所需连接的管道内径将碳钢钢板切割成圆柱状;
S2、开设口径;
S3、溶融锈浊;
S5、焊接增强骨架;
S6、将权利要求1-4任意一项所述的粘结层、过渡一层、过渡二层、表面防腐层依次滚塑涂覆。
7.根据权利要求6所述的输送部件的制备方法,其特征在于,所述步骤S6后还包括S7表面处理,
S8电火花检测:最低检测电压为1500V,检测探头移动速度不大于100mm/s。
8.根据权利要求6所述的输送部件的制备方法,其特征在于,所述步骤S3中溶融锈浊具体为:利用磷酸进行溶融锈浊。
9.根据权利要求6所述的输送部件的制备方法,其特征在于,所述步骤S6中,滚塑涂覆时,滚塑时间为2-20分钟,滚动辊圆周速度为2-50转/分,加热温度为200-250℃。
10.一种权利要求5所述的输送连接件在防腐管道中的应用,其特征在于,将所述连接件外圆周与所述防腐管道内壁连接。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111123264.2A CN113803567A (zh) | 2021-09-24 | 2021-09-24 | 一种防腐结构、输送连接件及制备方法和应用 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111123264.2A CN113803567A (zh) | 2021-09-24 | 2021-09-24 | 一种防腐结构、输送连接件及制备方法和应用 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN113803567A true CN113803567A (zh) | 2021-12-17 |
Family
ID=78940351
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202111123264.2A Pending CN113803567A (zh) | 2021-09-24 | 2021-09-24 | 一种防腐结构、输送连接件及制备方法和应用 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN113803567A (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN118149182A (zh) * | 2024-05-09 | 2024-06-07 | 海南中盛旭鑫低碳科技有限公司 | 一种桥联枢纽模块防腐输送管及其制备方法 |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NO911764D0 (no) * | 1991-05-06 | 1991-05-06 | Viking Mjoendalen As | Flerlags brannbeskyttende belegg. |
CN200940756Y (zh) * | 2006-05-29 | 2007-08-29 | 吉林石油集团有限责任公司建设公司防腐保温厂 | 聚乙烯胶带夹克管 |
CN102383121A (zh) * | 2011-11-11 | 2012-03-21 | 江苏华程工业制管股份有限公司 | 钢质制件的防锈处理方法 |
CN104653889A (zh) * | 2013-11-25 | 2015-05-27 | 江苏祥生新能源科技有限公司 | 高性能改性聚丙稀、聚乙烯复合管 |
US20170030492A1 (en) * | 2016-06-23 | 2017-02-02 | Kangtai Plastic Science & Technology Group Co., Ltd. | Wear-heat-resistant anti-bacterial anti-fouling steel wire framed pipe and manufacturing method thereof |
CN107529598A (zh) * | 2017-08-09 | 2018-01-02 | 镇江春环密封件集团有限公司 | 一种钢衬复合管结构 |
US20180363832A1 (en) * | 2017-06-19 | 2018-12-20 | Patagonia Shale Services S.A. | Internal anticorrosive and abrasive resistant protection coating for steel pipes |
CN110404748A (zh) * | 2018-04-27 | 2019-11-05 | 湖北骏力专用汽车有限公司 | 一种内衬交联聚乙烯的车载罐体制备方法 |
CN111483179A (zh) * | 2020-04-24 | 2020-08-04 | 江苏驰耐特防腐科技有限公司 | 聚四氟乙烯氟塑料防腐结构层 |
CN113154261A (zh) * | 2021-04-23 | 2021-07-23 | 北京中盛旭鑫环境能源科技有限公司 | 一种应用于钢骨架塑料复合管化工管线加酸装置 |
-
2021
- 2021-09-24 CN CN202111123264.2A patent/CN113803567A/zh active Pending
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NO911764D0 (no) * | 1991-05-06 | 1991-05-06 | Viking Mjoendalen As | Flerlags brannbeskyttende belegg. |
CN200940756Y (zh) * | 2006-05-29 | 2007-08-29 | 吉林石油集团有限责任公司建设公司防腐保温厂 | 聚乙烯胶带夹克管 |
CN102383121A (zh) * | 2011-11-11 | 2012-03-21 | 江苏华程工业制管股份有限公司 | 钢质制件的防锈处理方法 |
CN104653889A (zh) * | 2013-11-25 | 2015-05-27 | 江苏祥生新能源科技有限公司 | 高性能改性聚丙稀、聚乙烯复合管 |
US20170030492A1 (en) * | 2016-06-23 | 2017-02-02 | Kangtai Plastic Science & Technology Group Co., Ltd. | Wear-heat-resistant anti-bacterial anti-fouling steel wire framed pipe and manufacturing method thereof |
US20180363832A1 (en) * | 2017-06-19 | 2018-12-20 | Patagonia Shale Services S.A. | Internal anticorrosive and abrasive resistant protection coating for steel pipes |
CN107529598A (zh) * | 2017-08-09 | 2018-01-02 | 镇江春环密封件集团有限公司 | 一种钢衬复合管结构 |
CN110404748A (zh) * | 2018-04-27 | 2019-11-05 | 湖北骏力专用汽车有限公司 | 一种内衬交联聚乙烯的车载罐体制备方法 |
CN111483179A (zh) * | 2020-04-24 | 2020-08-04 | 江苏驰耐特防腐科技有限公司 | 聚四氟乙烯氟塑料防腐结构层 |
CN113154261A (zh) * | 2021-04-23 | 2021-07-23 | 北京中盛旭鑫环境能源科技有限公司 | 一种应用于钢骨架塑料复合管化工管线加酸装置 |
Non-Patent Citations (1)
Title |
---|
F.爱森科尔布等, 中国工业出版社 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN118149182A (zh) * | 2024-05-09 | 2024-06-07 | 海南中盛旭鑫低碳科技有限公司 | 一种桥联枢纽模块防腐输送管及其制备方法 |
CN118149182B (zh) * | 2024-05-09 | 2024-06-28 | 海南中盛旭鑫低碳科技有限公司 | 一种桥联枢纽模块防腐输送管及其制备方法 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN201437084U (zh) | 一种复合防腐衬里 | |
CN113803567A (zh) | 一种防腐结构、输送连接件及制备方法和应用 | |
CN105221850B (zh) | 一种防腐钢肋增强螺旋钢管及其制作方法 | |
CN105351635A (zh) | 一种金属陶瓷复合管及其制作工艺 | |
CN101865350B (zh) | 具有聚烯烃内衬层的钢滚塑管道的制造方法 | |
CN106594406A (zh) | 一种内衬塑料管铸铁管及其制造方法 | |
CN202017828U (zh) | 多元抗磨耐腐蚀复合管道 | |
CN105927822A (zh) | 一种耐腐蚀复合管及耐腐蚀复合管的制备方法 | |
KR101317914B1 (ko) | 파형 강관 및 그 제조방법 | |
CN208074296U (zh) | 一种扩口衬不锈钢防腐减阻耐磨复合钢管管道 | |
CN105156769A (zh) | 双金属耐磨复合管 | |
CN202302355U (zh) | 一种复合钢管 | |
CN109084103A (zh) | 一种真空绝热管 | |
CN211203163U (zh) | 一种具有耐腐蚀性的陶瓷内衬复合钢管 | |
CN112113040B (zh) | 一种流体输送用防腐性合金管及其生产方法 | |
CN207123210U (zh) | 一种空冷器管束结构 | |
CN108692134B (zh) | 一种内外双防腐涂塑复合管及其一次成型工艺 | |
CN208417815U (zh) | 内衬不锈钢复合钢管 | |
CN2463662Y (zh) | 防腐钢管内衬塑料管管线 | |
CN201934808U (zh) | 双项复合耐磨管 | |
CN208041342U (zh) | 用不锈钢短管做连接的不锈钢复合管道 | |
CN106222658A (zh) | 一种盘管搪瓷工艺方法 | |
CN102794263B (zh) | 金属蝶阀的尼龙11涂装方法 | |
CN206072562U (zh) | 一种高耐磨钢管 | |
CN220268675U (zh) | 一种新型耐高温耐高压的无缝钢管 |
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: 20211217 |