Onye na-emepụta ọkpọkọ ígwè na-eguzogide corrosion
Ọkpụkpọ ihe mgbochi corrosive na-ezo aka na ọkpọkọ ígwè a na-ahazi site na usoro anticorrosive, nke nwere ike igbochi ma ọ bụ mee ka ihe na-emebi emebi na-akpata site na mmeghachi omume kemịkalụ ma ọ bụ electrochemical n'oge njem na ojiji. Dị ka data ndekọ ọnụ ọgụgụ China si kwuo, mfu akụ na ụba kpọmkwem nke nchara nchara na China karịrị ijeri 280 kwa afọ.
Ka ọ dị ugbu a, mfu zuru ụwa ọnụ kwa afọ n'ihi corrosion ígwè ọkpọkọ ruru ihe ruru ijeri dollar 500. Ọkpụkpụ nchara na-egbu egbu nwere ike igbochi ma ọ bụ belata corrosion nke ọma, gbasaa ndụ ọrụ nke ọkpọkọ ígwè ma belata ụgwọ ọrụ nke ọkpọkọ ígwè.
Ihe mejupụtara
Ọ bụ nke aliphatic polyurethane prepolymer, epoxy resin, pigmenti dị elu, ihe mgbakwunye na ihe mgbaze. A na-eji ya eme ihe maka mgbochi corrosion nke akụrụngwa na kọntaktị na nri na mmiri ọṅụṅụ, nnyefe mmiri na nkesa pipeline na mmiri tank mmiri.
Arụmọrụ
Agba bụ teknụzụ interpenetrating netwọk polymer, nke na-amalite polymerization na ụlọ okpomọkụ. Netwọk abụọ ahụ nwere ike ịmụta ihe site na ibe ya wee mepụta mmetụta nkwado. Ihe nkiri ahụ adịghị egbu egbu, nnukwu siri ike na obere viscosity. Ọ bụ mkpuchi mgbochi corrosion ọhụrụ nke nwere nrachi siri ike, ike dị elu, mmetụta na-eyi nguzogide, nguzogide hydrolysis, nguzogide corrosion, nguzogide mmiri na nguzogide ihu igwe, ma nwee obere ihe achọrọ maka iwepụ nchara n'elu usoro nchara, okpomọkụ ọrụ nwere ike ịbụ. na nso nke -20 ~ 120 ℃.
Ngosipụta teknụzụ
1. Oge ihicha: ihicha elu maka 30min na ihicha siri ike maka 6-24h
2. Mgbanwe: 1mm
3. Nguzogide mmetụta: 50cm
4. Adhesion: ọkwa 1
4. Mwube na nchekwa
(1)Tupu eserese, a ga-edozi elu igwe isi na Sa2.5. A machibidoro iwu iweta mmiri, uzuzu na mmanụ n'oge a na-ewu ụlọ iji hụ na eserese dị mma.
(2) Oke mkpuchi bụ: akụrụngwa a (ihe ndabere), akụrụngwa B (onye na-agwọ ọrịa) = 9kg agba: 1kg onye na-agwọ ọrịa (ma ọ bụ ihe owuwu dịka nha nke ụlọ ọrụ anyị gwara).
(3)Usoro nhazi ihe owuwu bụ nke a: mepee nnukwu oghere nke akụrụngwa A, tinye akụrụngwa B n'ime akụrụngwa A, ma gwakọta ya nke ọma. Mgbe ọgwụgwọ maka nkeji 30, enwere ike ịme mkpuchi ahụ.
(4)A chọrọ ka a kwadebere ihe a ma jiri ya mee ihe n'oge ọ bụla, a ga-ejikwa ihe mkpuchi nke nhata mee ihe n'ime awa isii. A ga-emechi ihe ndị a na-emechabeghị ma chekwaa ya.
(5)A ga-akwụsị ihe owuwu n'ụbọchị mmiri ozuzo ma ọ bụ mgbe iru mmiri dị elu karịa 75%. Maka akụkụ ndị nwere nnukwu ihe na-emebi emebi, a na-atụ aro ka itinye ọtụtụ mkpuchi agba.
(6) A ga-echekwa ngwaahịa ahụ n'ebe dị jụụ na nke kpọrọ nkụ iji gbochie ìhè anyanwụ kpọmkwem, kewapụ isi ọkụ ma zere isi iyi ọkụ.
(7)Oge nchekwa bụ ọnwa iri na abụọ. Mgbe njedebe ahụ gasịrị, a ga-enyocha ndenye teknụzụ dị iche iche. Ọ bụrụ na ha na-emezu ihe index chọrọ, ha nwere ike ịga n'ihu na-eji.
Fusion bonded epoxy ntụ ntụ, nke a makwaara dị ka thermosetting epoxy resin arọ mgbochi corrosion ntụ ntụ, bụ ihe siri ike na-ebufe ma gbasasịa ya na ikuku dị ka onye na-ebu. A na-etinye ya n'elu ngwaahịa nchara a na-ekpo ọkụ, gbazee, gbasaa ma sie ike iji mepụta mkpuchi otu. Mgbochi corrosion bụ mkpuchi mgbochi corrosion dị arọ nke emere na oke okpomọkụ. Ihe mkpuchi ahụ nwere uru nke ọrụ mkpuchi dị mfe, enweghị mmetọ, mmetụta dị mma na nkwụsị nkwụsị na oke okpomọkụ.
1)Dị ka usoro ngwa ngwa si dị, enwere ike kewaa ya: ntụ ntụ maka ịgbasa n'ime pipeline, ntụ ntụ maka ịgbasa n'èzí pipeline na ntụ ntụ izugbe n'ime na n'èzí pipeline. A na-ekewa ntụ ntụ a na-eji maka ịgbasa n'èzí pipeline n'ime ntụ ntụ otu oyi akwa, ntụ ntụ okpukpu abụọ na usoro ihe mgbochi corrosion nke okpukpu atọ.
2) Dị ka nzube ya si dị, enwere ike kewaa ya n'ime: ntụ ntụ maka mmanụ na gas pipeline, ntụ ntụ maka pipeline mmiri ọṅụṅụ, ntụ ntụ maka pipeline ọkụ, ntụ ntụ maka mgbochi ikuku ventilashion pipeline na coal mine, ntụ ntụ maka pipeline chemical, ntụ ntụ maka mmanụ ụgbọala ọkpọkọ ọkpọkọ. , ntụ ntụ maka ọkpọkọ ọkpọkọ, ntụ ntụ maka pipeline ụgbọ mmiri, ntụ ntụ maka nnukwu mmiri nnu na-ebu ibu mgbochi corrosion pipeline, wdg.
3)Dabere na ọnọdụ ọgwụgwọ, enwere ike kewaa ya ụzọ abụọ: ọgwụgwọ ngwa ngwa na ọgwụgwọ nkịtị. Ọnọdụ ọgwụgwọ nke ntụ ntụ ngwa ngwa na-abụkarị 230 ℃ / 0.5 ~ 2min. A na-ejikarị ya eme ihe maka ịgbasa n'èzí pipeline ma ọ bụ ihe mgbochi corrosion nke okpukpu atọ. N'ihi obere oge ọgwụgwọ na mmepụta mmepụta dị elu, ọ dị mma maka ọrụ nhazi mgbakọ; Ọnọdụ ọgwụgwọ nke ntụ ntụ ntụ nkịtị na-adịkarị karịa 230 ℃ / 5min. N'ihi ogologo oge ọgwụgwọ na ọkwa mkpuchi dị mma, ọ dị mma maka ịgbasa na pipeline.
tumadi na-agụnye: electrostatic spraying usoro, thermal spraying usoro, mmiri usoro, fluidized bed usoro, mpịakọta mkpuchi usoro, wdg Esemokwu electrostatic spraying usoro, mmiri usoro ma ọ bụ thermal spraying usoro na-n'ozuzu ji pipeline esịtidem mkpuchi; Ụzọ ịgbasa ndị a nwere ihe jikọrọ ya, ya bụ, tupu ịgbasa, ọ dị mkpa ka a na-ekpo ọkụ na-arụ ọrụ na ụfọdụ okpomọkụ iji gbazee ntụ ntụ ozugbo ọ na-akpọtụrụ. Okpomọkụ mkpofu kwesịrị ime ka ihe nkiri ahụ nọgide na-asọba ma na-aga n'ihu ma na-ekpuchi elu elu ígwè ígwè dum, karịsịa na ịda mbà n'obi nke ọkpọ ígwè na n'akụkụ abụọ nke weld, na agba a wụrụ awụ na-abanye n'ime ndochi iji mee ka mkpuchi. jikọtara ya na ọkpọkọ ígwè, belata pores na ọgwụgwọ n'ime oge a kapịrị ọnụ. N'ikpeazụ, dị jụụ na mmiri iji kwụsị usoro ọgwụgwọ ahụ.
