Nwansena Valve Corrosion a Wɔsiw & Ayaresa

Dɛn ne corrosion ofnwansena valve ahorow?

Wɔtaa te ntontom valve ahorow a ɛyɛ nsɛe ase sɛ dade a ɛwɔ valve no mu no sɛe wɔ nnuru anaa anyinam ahoɔden nneɛma a atwa yɛn ho ahyia no dwumadi ase. Esiane sɛ “nsɛe” adeyɛ no ba wɔ nkitahodi a ɛba ara kwa a ɛda dade ne nneɛma a atwa ho ahyia ntam nti, sɛnea wɔbɛtew dade no afi nneɛma a atwa ho ahyia no ho anaasɛ wɔde nneɛma a wɔde ayɛ a ɛnyɛ dade pii bedi dwuma no ne ade titiriw a wɔde siw nsɛe ano. Nipadua a ɛyɛnwansena valve(a valve no kataso ka ho) gye valve no mu duru fã kɛse no ara na ɛtaa ne medium no di nkitaho, enti wɔtaa paw butterfly valve no fi nipadua no mu nneɛma mu.

Ɛwɔ akwan abien pɛ a valve nipadua corrosion ofnwansena valve ahorow, a ɛne nnuru a wɔde yɛ nneɛma a ɛyɛ fĩ ne anyinam ahoɔden a wɔde yɛ nneɛma a ɛyɛ hyew. Wɔnam ɔhyew, nhyɛso, nnuru a ɛwɔ ade no mu, ne sɛnea valve nipadua no mu nneɛma no ntumi nsɛe no so na ɛkyerɛ sɛnea ɛbɛsɛe no. Wobetumi akyekyɛ sɛnea nsɛe no mu no mu asia:

1. Complete corrosion resistance: nsɛe dodow no nnu 0.001 mm/afe;

2. Nneɛma a ɛko tia nsɛe kɛse: nsɛe dodow 0.001-0.01 mm/afe;

3. Nsɛe a ɛko tia: nsɛe dodow 0.01-0.1 mm/afe;

4. High corrosion resistance: nsɛe rate 0.1-1.0 mm / afe;

5. Poor corrosion resistance: nsɛe dodow 1.0-10 mm / afe;

6. Non-corrosion resistance: corrosion rate no boro 10 mm/afe.

Sɛnea wobesiw nsɛe ano wɔnwansena valve ahorow?

Anti-corrosion a ɛwɔ valve nipadua a ɛwɔ butterfly valve no mu no fi nneɛma a wɔpaw no yiye titiriw. Ɛwom sɛ nsɛm a ɛfa anti-corrosion ho no yɛ nea ɛdɔɔso yiye de, nanso ɛnyɛ mmerɛw sɛ wobɛpaw nea ɛfata, efisɛ ɔhaw a ɛfa corrosion ho no yɛ den yiye, sɛ nhwɛso no, sulphuric acid yɛ nea ɛporɔw dade kɛse bere a ne dodow sua, na sɛ dodow no dɔɔso a, ɛma dade no yɛ pasivation film, a ebetumi asiw corrosion ano Wɔkyerɛ sɛ hydrogen sɛe dade kɛse wɔ ɔhyew ne nhyɛso a ɛkɔ soro mu nkutoo, na chlorine gas a ɛyɛ nsɛe no nyɛ kɛse bere a ɛyɛ nwunu, nanso nsɛe no mu yɛ den yiye bere a nsu a ɛyɛ nwini pɔtee bi wɔ hɔ no, na wontumi mfa nneɛma pii nni dwuma. Ɔhaw a ɛwɔ valve nipadua mu nneɛma a yɛbɛpaw mu ne sɛ yentumi nsusuw ɔhaw ahorow a ɛfa nsɛe ho nko ho, na mmom yesusuw nneɛma te sɛ nhyɛso ne ɔhyew a ɛko tia, sɛ ebia ɛyɛ sikasɛm mu ntease, ne sɛ ebia ɛnyɛ den sɛ yɛbɛtɔ nso ho. Enti ɛsɛ sɛ woyɛ aso.

1. Nea ɛto so abien ne sɛ wɔbɛyɛ nneɛma a wɔde bɛkata so, te sɛ kɔbere, aluminium, mfiridwuma mu plastic, abɔde mu rɔba ne rɔba ahorow a wɔayɛ. Sɛ tebea horow a ɛwɔ mfinimfini no ma kwan a, eyi yɛ ɔkwan a wɔfa so sie sika.

2. Nea ɛto so abiɛsa no, sɛ nhyɛso ne ɔhyew no nkɔ soro a, nneɛma titiriw a ɛwɔ ntontom valve a wɔde fluorine ayɛ mu no taa tumi yɛ nea etu mpɔn kɛse wɔ nsɛe a wosiw ano no mu.

3. Nea ɛka ho no, wim tebea no nso asɛe valve nipadua no akyi, na mpɛn pii no wɔde nickel a wɔde abɔ dade a ɛyɛ den no ho ban.

Ɛrenkyɛ na TWS de nneɛma foforo a ɛko tia nsɛe aba, a ɛbɛkata valve ano aduru ahorow nyinaa so te sɛnwansena valve ahorow, apon ano valve ahorow, check valve ahorow a wɔde hwɛ nneɛma sone bɔɔl valve ahorow, ne ade. Saa nneɛma a ɛtoatoa so yi fa mfiridwuma a ɛkɔ anim a ɛko tia nsɛe ne nneɛma titiriw a wɔde sa nneɛma di dwuma na ama wɔakura nsɔano adwumayɛ a ɛkyɛn so ne adwumayɛ mu pintinn wɔ adwumayɛ tebea horow a emu yɛ den mu. Yɛasi yɛn bo sɛ yɛde mfiridwuma mu valve nneɛma a ɛtra hɔ kyɛ bɛma adetɔfo, atrɛw mfiri no som nkwa nna mu kɛse, atew ka a wɔbɔ wɔ nsiesie ho wɔ nkwa nna nyinaa muhunukyinhyia, ne boa a wɔboa adetɔfo ma wonya gyinaesi ahorow a ɛsom bo kɛse wɔ adetɔ ho.