A na-aghọtakarị mmebi nke valves dị ka mmebi nke ihe ọla valve n'okpuru ọrụ nke gburugburu kemịkalụ ma ọ bụ electrochemical. Ebe ọ bụ na ihe “corrosion” a na-eme na mmekọrịta onwe onye n'etiti igwe na gburugburu ya, otu esi ekewapụta igwe na gburugburu gburugburu ma ọ bụ jiri ihe ndị na-abụghị{1}ọla sịntetik bụ ihe mgbochi- corrosion na-elekwasị anya.
Ahụ valvụ (gụnyere mkpuchi valvụ) nke valvụ ahụ na-eburu ọtụtụ ibu nke valvụ ahụ ma na-enwekarị kọntaktị na ọkara. Ya mere, a na-ahọrọ valvụ ahụ mgbe mgbe site na ihe nke valvụ ahụ.
Nrụrụ nke valvụ ahụ abụghị ihe karịrị ụdị abụọ, ya bụ corrosion kemịkalụ na corrosion electrochemical. A na-ekpebi ọnụọgụ mmebi ya site na okpomọkụ, nrụgide, ihe ndị na-emepụta kemịkalụ nke ọkara, na nguzogide corrosion nke ihe ahụ valvụ. Enwere ike ikewa ọnụ ọgụgụ nrụrụaka na klas isii:
1, nguzogide corrosion zuru oke: ọnụ ọgụgụ corrosion bụ ihe na-erughị 0.001 mm / afọ;
2. Nkwụsi ike nke corrosion dị oke: ọnụ ọgụgụ nke corrosion 0.001 ruo 0.01 mm / afọ;
3, nguzogide corrosion: ọnụ ọgụgụ corrosion nke 0.01 ruo 0.1 mm / afọ;
4, ka na-eguzogide corrosion: ọnụ ọgụgụ corrosion 0.1 ruo 1.0 mm / afọ;
5, nguzogide corrosion na-adịghị mma: ọnụego corrosion nke 1.0 ruo 10 mm / afọ;
6, ọ bụghị corrosion: ọnụ ọgụgụ corrosion karịrị 10 mm / afọ.
Ihe mgbochi - corrosion nke ahụ valvụ bụ nke kachasị nhọrọ akụrụngwa. Ọ bụ ezie na data nchebe corrosion bara ụba nke ukwuu, ọ ka dị mfe ịhọrọ nke ziri ezi, n'ihi na nsogbu corrosion dị mgbagwoju anya. Dịka ọmụmaatụ, sulfuric acid na-emebi emebi nke ukwuu na nchara na obere mkpokọta, ma na-emepụta ígwè na nnukwu ihe. Ihe nkiri passivation nwere ike igbochi corrosion; hydrogen na-egosi naanị corrosion dị elu na nchara n'okpuru nnukwu okpomọkụ na nrụgide dị elu; mgbe chlorine gas dị n'ime ala akọrọ, arụmọrụ corrosion adịghị nnukwu, ma mgbe enwere ụfọdụ iru mmiri, arụ ọrụ corrosion siri ike, na ọtụtụ ihe enweghị ike iji . . Ihe isi ike dị n'ịhọrọ valvụ ahụ bụ n'eziokwu na ọ gaghị ekwe omume ịtụle naanị nsogbu corrosion, kamakwa ikike iguzogide nrụgide na okpomọkụ, ma ọ bụ ihe ezi uche dị na ya ma ọ bụ na ọ bụghị n'ụzọ akụ na ụba. Yabụ na ọ ga-esirịrị ike{6}.
Na-esochi usoro ntanye, dị ka lining lead, lining aluminum, lining engineering plastics, lining eke roba na dị iche iche sịntetik roba. Ọ bụrụ na ọnọdụ mgbasa ozi kwere, nke a bụ usoro nchekwa.
Ọzọ, n'okpuru ọnọdụ nke obere nrụgide na okpomọkụ, iji ihe ndị na-abụghị{0} metallic valve body nwere ike ịdị irè nke ukwuu n'igbochi corrosion.
Na mgbakwunye, elu elu nke valvụ ahụ dịkwa n'okpuru ikuku ikuku, na ihe nchara na-echekwakarị site na agba ahịhịa.
Hangzhou Xiaoshan Chuangye Metal Processing Factory
Tinye: Obodo nta Zixia, Xintang Street, Xiaoshan District, Hangzhou City, Zhejiang Province, China
Kpọtụrụ anyị: Yali Yu
Tel: 86-571-82793342
Faksị: 86-571-82778852
Mobile: 86-13967182887
ozi-e{0}:ada.huang@hzxscy.cn
