Ihe mejupụtara ihe mkpuchi manhole nke ihe mejupụtara bụ ụdị mkpuchi mkpuchi mkpuchi mkpuchi, a na-akọwakwa njirimara ya: a na-ejikọta ihe mkpuchi mkpuchi nke nyocha site na usoro ụfọdụ na-eji polymer dị ka ihe matrix, na-agbakwụnye ihe ndị na-eme ka ike, ihe ndị na-emepụta ihe, wdg.
N'ezie, resin manhole cover (nke a na-akpọkwa polymer glass fiber mesikwuru plastic manhole cover / composite material manhole cover) bụ ụdị mkpuchi manhole nke na-eji eriri iko na ngwaahịa ya (akwa iko, teepu, mmetụta, yarn, wdg) dị ka ihe na-agba ume. ihe na resin sịntetik dị ka ihe matriks.Ọ mejupụtara unsaturated polyester resin, fillers, initiators, thickeners, ala shrinkage mgbakwunye, film ebu mmadụ, pigments na ume ihe, wdg, na mgbe ahụ bụ ọhụrụ ụdị nke ọma cover ngwaahịa na-akpụzi na elu okpomọkụ.
N'ime ihe ndị a gbakwunyere, ihe ndị a na-eme ka eriri (akwa iko, teepu, mmetụta, yarn, wdg) bụ ndị bụ isi, nke a na-eji obere ike ndọda mara, nnukwu ike dị iche iche na modul pụrụ iche.Dị ka ihe atụ, ihe mejupụtara ihe mejupụtara carbon eriri na epoxy resin, ya kpọmkwem ike na kpọmkwem modulus bụ ọtụtụ ugboro ibu karịa nke ígwè na aluminum alloy, na ọ nwekwara magburu onwe chemical kwụsie ike, mgbochi esemokwu na eyi iguzogide, onwe-lubricating. okpomọkụ na-eguzogide, ike ọgwụgwụ, iguzogide Crep, mbelata mkpọtụ, mkpuchi eletrik na ihe ndị ọzọ.Ngwakọta nke eriri graphite na resin nwere ike nweta ihe nwere ọnụọgụ mgbasawanye fọrọ nke nta ka ọ bụrụ efu.Akụkụ ọzọ nke ihe na-eme ka eriri na-eme ka ọ dịkwuo ike bụ anisotropy, ya mere enwere ike ịhazi nhazi nke eriri dịka ike chọrọ nke akụkụ dị iche iche nke ngwaahịa ahụ.Ihe mejupụtara matriks aluminom ejiri eriri carbon na silicon carbide fibers mesie ike ka na-enwe ike na modulu zuru oke na 500 Celsius.
Enwere ike kewaa ihe mkpuchi manhole n'ime BMC na SMC dị ka ọchịchọ ahịa si dị, usoro mmepụta na ihe dị iche iche:
Ihe BMC (DMC) bụ ogige ịkpụzi nnukwu.A na-akpọkarị ya unsaturated polyester nnukwu ịkpụzi ogige na China.Isi ihe eji eme ihe bụ mgwakota agwa dị ka prepreg nke GF (fiber glass chopped), UP (resin unsaturated), MD (filler) na ihe mgbakwunye dị iche iche gwakọtara ya.A na-eji ngwa DMC mbụ mee ihe na mbụ West Germany na United Kingdom na 1960s, wee mepụta na United States na Japan na 1970 na 1980, n'otu n'otu.N'ihi na BMC nnukwu ịkpụzi ogige nwere magburu onwe eletriki Njirimara, n'ibu Njirimara, okpomọkụ na-eguzogide, chemical corrosion eguzogide, na adapts dị iche iche ịkpụzi usoro, ọ nwere ike izute arụmọrụ chọrọ nke dị iche iche na ngwaahịa, na-ọtụtụ ebe na-eji ụgbọ ala n'ichepụta, ụgbọ okporo ígwè njem, na-ewu ngwa. , igwe na ngwaahịa eletriki na ubi ndị ọzọ.
Ngwakọta SMC bụ ogige ịkpụzi mpempe akwụkwọ.Ihe mejupụtara akụrụngwa bụ GF ( yarn pụrụ iche), UP (resin na-adịghị mma), mgbakwunye shrinkage dị ala, MD (filler) na ihe enyemaka dị iche iche.Nke mbụ pụtara na Europe na mmalite 1960s, na n'ihe dị ka 1965, United States na Japan rụpụtara ọrụ a.N'ọgwụgwụ 1980s, obodo m webatara ahịrị mmepụta SMC dị elu na usoro mmepụta nke mba ofesi.Ihe ndị mejupụtara SMC na ngwaahịa SMC ha kpụrụ nwere ezigbo ihe mkpuchi ọkụ eletrik, akụrụngwa akụrụngwa, nkwụsi ike ọkụ, yana nguzogide corrosion kemịkalụ.Ya mere, ngwa ngwa nke ngwaahịa SMC bụ ihe a na-ahụkarị.Usoro mmepe dị ugbu a bụ iji ihe mejupụtara SMC dochie ihe BMC.
Ugbu a itinye ihe mkpuchi resin manhole na-arụ ọrụ dị ukwuu na ndụ anyị, na mkpuchi mkpuchi resin na-apụta ìhè n'ihi ọrụ nhicha onwe ha.
Ojiji nke resin manhole na-ekpuchi n'okporo ụzọ nwere àgwà nke mkpuchi, ọ dịghị mkpọtụ, ọ dịghị uru imegharị ihe na mgbochi izu ohi.Ọ bụ ihe a na-apụghị dochie anya ihe nkedo ígwè manhole mkpuchi.
A na-eme ihe mkpuchi resin manhole site na usoro ịkpụzi pụrụ iche, nke na-eme ka obodo ahụ yie nke ọhụrụ.Ndụ ọrụ bụ isi afọ 20-50.Ihe mkpuchi nke resin composite manhole nke emere site na ịkpụzi okpomọkụ dị elu nwere uru nke ịdị arọ dị arọ na ike dị elu, oke ike ọgwụgwụ na nchekwa mmebi.Ọ nwere uru nke ịkpụzi dị mfe, obere mkpọtụ mkpọtụ, ezigbo nguzogide corrosion kemịkalụ, ezigbo acid na alkali na-eguzogide na ọdịdị mara mma, na ihe ndị na-emerụ emerụ na mmiri na-ekpofu na-ebelata.
Ugbu a n'ahịa, a na-eji ihe dị iche iche eme ihe mkpuchi manhole nke ndị na-emepụta ihe na-emepụta ihe dị iche iche, ma ọtụtụ atụmatụ yiri ya:
1. Ọrụ mgbochi siri ike nke ohi: A na-ejikarị resin na-adịghị edozi, eriri iko na ihe ndị ọzọ site na usoro mmepụta pụrụ iche, na ngwaahịa ndị ahụ enweghị uru ntụgharị.Nkwalite adịghị mfe.
2. Ndụ ọrụ: Site n'iji resin na-arụ ọrụ dị elu, eriri iko na usoro mmepụta ihe pụrụ iche, ntinye nke ihe mkpuchi nke ọma na-ekpuchi n'ime iko iko na-eme ka ọ dịkwuo mma, nke mere na ihe ahụ na-eme ka ọ dịkwuo mma. agaghị emebi emebi n'okpuru ọrụ nke ibu cyclic.Nbibi dị n'ime na-eme, si otú ahụ na-ahụ na ndụ ọrụ nke ngwaahịa na otu uru nke ndị ọzọ resin mejupụtara manhole mkpuchi, n'ụzọ dị irè na-ewepụ mwepu nke ogbenye adhesion.
3. Igwe ọkụ dị elu / obere okpomọkụ na-eguzogide, arụmọrụ mkpuchi dị mma na nkwụsị nke corrosion siri ike: ngwaahịa ahụ na-eguzogide corrosion, na-adịghị egbu egbu na adịghị emerụ ahụ.Enweghị ihe mgbakwunye ọla.Enwere ike iji ya mee ihe na mgbagwoju anya na mgbanwe, ebe siri ike na ebe na-achọsi ike.A nwalere mkpuchi mkpuchi manhole nke Bester composite manhole na-emepụta na-anwale site na ụlọ ọrụ nyocha nke mba dị mkpa, ma nwee nguzogide acid na alkali doro anya, nguzogide corrosion, mgbochi ịka nká na ọtụtụ ihe ngosi ndị ọzọ na-agbaso ụkpụrụ ịdị mma ngwaahịa.
4. Mara mma na nke bara uru, ọkwa dị elu: dị ka mkpa nke ndị ahịa dị elu si dị, anyị nwere ike ịme LOGO mgbagwoju anya na agba dị iche iche n'elu otu mkpuchi manhole nke ahaziri iche, nke mere na ụkpụrụ ahụ dị nro, agba. na-egbuke egbuke ma doo anya.Dị ka ndị ahịa chọrọ, enwere ike ịme ya dị iche iche na-eṅomi nkume dị iche iche na agba ndị dị ka pavement nkume dị iche iche.
5. Ikike ibu siri ike: Ala na-anabata usoro nhazi pụrụ iche, na eriri na-eme ka eriri na-aga n'ihu na-eme ka ọ bụrụ ihe eji eme ihe iji jide n'aka na ejikọtara eriri na akwa akwa iko, nke mere na ngwaahịa ahụ nwere ikike ibu.
6. Nchekwa gburugburu ebe obibi, nke na-adịghị mma, obere mkpọtụ: mkpuchi nke manhole agaghị ada mgbe ụgbọ ala ahụ kpụchara, ọ gaghị enwekwa ụda ntị na-adịghị mma na mmetọ.
Mgbe ị na-etinye mkpuchi manhole mejupụtara, soro usoro anọ ndị a:
1. Tupu echichi, ntọala nke mkpuchi manhole kwesịrị ịdị mma na nke siri ike, a ga-ekpebikwa dayameta dị n'ime, ogologo na obosara dịka nha nke mkpuchi manhole.
2. Mgbe ị na-etinye ihe mkpuchi manhole mejupụtara n'okporo ụzọ ciment, ṅaa ntị na masonry olulu mmiri kwesịrị ịwụsa ya na kọmpat, na mgbanaka nchebe ihe kwesịrị guzobe na mpụta maka mmezi ihe dị ka ụbọchị 10.
3. Mgbe ị na-etinye ihe mkpuchi nke nwere ihe mejupụtara n'elu pavement asphalt, ekwesịrị itinye nlebara anya iji zere igwe ihe owuwu na-atụgharị ozugbo mkpuchi oghere na oche olulu mmiri iji zere mmebi.
4. Iji nọgide na-ama mma nke mkpuchi oghere na ihe odide aka doro anya na ụkpụrụ, kpachara anya ka ị ghara imetọ ihe mkpuchi ahụ mgbe ị na-awụsa asphalt na ciment n'elu okporo ụzọ.
ụzọ mmepe:
(1) Ike ya bụ nke abụọ naanị nke mkpuchi mkpuchi mkpuchi plastik.Ọ nwere ike ibu ụgbọ ala karịrị tọn 40.
(2) Ọrụ ya zuru oke dị n'etiti mkpuchi nkume-plastic manhole na ihe mkpuchi ihe mkpuchi, nke dị mma karịa nke ihe;enwere ike iji ya mee ihe n'oge nwere nnukwu teknụzụ chọrọ maka mkpuchi manhole.
(3) Uru ya pụtara ìhè bụ na ọ naghị eji nkwado ọkpụkpụ ígwè eme ihe, kama ọ na-eji iko fiber mejupụtara, bụ nke ngwaahịa ụdị GRC kwadoro.Ya mere, ọ nwere uru nke ịbụ onye na-adịghị emetụta ya mgbe ọnụahịa ígwè na-aga n'ihu na-ebili.N'ihi na o nweghị obere ígwè, ọ na-emegide izu ohi karịa nkume rọba na fiber konti manhole mkpuchi.
(4) Ọsọ ọgwụgwọ ya na-agba ọsọ ọtụtụ ugboro karịa nke kọnkịrị fiber, yana enwere ike imebi ya n'ime awa 8.Ọ bụrụ na emepụtara ya n'ụzọ atọ, enwere ike imebi ya ugboro atọ n'ime awa 24.Ọ bụ ezie na ọnụ ọgụgụ nke ebu dị karịa nke plastik nkume, ọ bụ naanị 1/6 nke eriri ihe mkpuchi manhole.Ọ nwekwara ike ibelata itinye ego ebu.Site na mmepụta 10,000 nke ihe mkpuchi manhole kwa afọ, ọ bụ naanị ụdị 10 ka achọrọ.
(5) Ihe mkpuchi manhole mejupụtara dị mma, dị elu karịa, na enweghị atụ ya na ihe ndị ọzọ (dị ka ihe eji eme rọba, ihe eji eme plastik, eriri iko na-eme ka ọkpụkpụ plastik sie ike).
(6) Na mmelite na-aga n'ihu na mmelite nke mkpuchi mkpuchi ihe mejupụtara, ihe ngosi dị iche iche agafeela ụkpụrụ ụlọ ọrụ nke Ministry of Construction, ma rute n'ụzọ zuru oke ụkpụrụ nke ụlọ ọrụ mkpuchi mkpuchi nke obodo m.
Nwada Serafina +86 15102806197
Oge nzipu: Eprel-23-2022
