Mkparịta ụka na nhọrọ nke flange gasket (III)

Ihe mkpuchi ọla bụ ihe a na-ejikarị ejiri ọla dị iche iche mee (dịka igwe anaghị agba nchara, ọla kọpa, aluminom) ma ọ bụ ọnya mpempe akwụkwọ alloy.Ọ nwere ezigbo ngbanwe na oke okpomọkụ na-eguzogide, nrụgide nrụgide, nkwụsị nke corrosion na àgwà ndị ọzọ, ya mere ọ nwere ọtụtụ ngwa ngwa na ụlọ ọrụ valve.

Metal winding pad ji akọ na-eji ọkụ na-eguzogide okpomọkụ, nkwụghachi na ike nke ígwè na ịdị nro nke ihe ndị na-abụghị ọla, ya mere, ọrụ ntinye aka dị mma, na arụmọrụ nke igwe anaghị agba nchara na-agbanwe agbanwe graphite pad kacha mma.Ọnụọgụ precompression dị ntakịrị karịa nke asbestos winding pad, ọ nweghịkwa ntụpọ nke asbestos fiber capillary leakage.Na mmanụ mmanụ, a na-eji 0Cr13 mee ihe maka mpempe ígwè, ebe 1Cr18Ni9Ti kwadoro maka mgbasa ozi ndị ọzọ.

Igwe anaghị agba nchara na-agbanwe graphite winding pad na gas ọkara, ojiji nke nrụgide nke 14.7MPa, na mmiri mmiri nwere ike iji ruo 30MPa.Okpomọkụ -190 ~ + 600 ℃ (na enweghị oxygen, ala mgbali nwere ike iji 1000 ℃).

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Mpempe ikuku na-adaba adaba maka ndị na-ekpo ọkụ ọkụ, ndị na-emepụta ihe, pipeline, valves, na mgbapụta ntinye na ntinye nke nwere nnukwu nrụgide na mgbanwe okpomọkụ.Maka nrụgide ọkara ma ọ bụ karịa na okpomọkụ karịrị 300 Celsius, a ga-atụle iji mgbanaka ime, mpụta ma ọ bụ n'ime.Ọ bụrụ na a na-eji concave na convex flange, ọnya ọnya na mgbanaka dị n'ime ka mma.

Enwere ike nweta ezigbo akara akara site na ịrapagidesi ike n'efere graphite na-agbanwe agbanwe n'akụkụ abụọ nke pad winding graphite na-agbanwe agbanwe.Igwe ọkụ na-ekpo ọkụ na-ekpofu ahịhịa nke nnukwu ụlọ ọrụ fatịlaịza kemịkalụ bụ akụrụngwa bụ isi nke oke okpomọkụ na nrụgide dị elu.A na-eji ihe mkpuchi graphite na-agbanwe agbanwe na mgbanaka dị n'èzí, nke na-adịghị agbapụta mgbe ibu jupụtara, ma na-agbapụta mgbe ibu dị ala.A na-agbakwunye efere graphite na-agbanwe agbanwe 0.5mm n'akụkụ abụọ nke gasket ma bee n'ime udi arc.A na-eme akụkụ nkwonkwo nke nkwonkwo ụkwụ diagonal, nke dị mma.


Oge nzipu: Ọgọst-29-2023