Iyo acid-base bvunzo yeDINSENpombi yesimbi(inonziwo SML pombi) inowanzo shandiswa kuongorora kusaora kwayo, kunyanya munzvimbo dzine acidic uye alkaline. Mapombi eCast iron drainage anoshandiswa zvakanyanya mukugovera mvura, madhiraini uye maindasitiri pombi masystem nekuda kweakanakisa mamechani ezvimiro uye kushora. Aya anotevera ndiwo matanho akajairwa uye matanho ekuitisa acid-base bvunzo pamapombi eSML:
Chinangwa chekuedza
Ongorora kushorwa kwekupokana kwe ductile iron mapaipi munzvimbo dzine acidic uye alkaline.
Sarudza kugadzikana kwayo kwemakemikari pasi pemamiriro akasiyana epH.
Ipa chirevo chekusarudza zvinhu mukushandisa zvinoshanda.
Kuedza zvinhu
Kanda simbi pombi samples (cheka muhukuru hwakakodzera).
Acidic solutions (senge dilute sulfuric acid, dilute hydrochloric acid, pH value inogona kugadziriswa sezvinodiwa).
Alkaline mhinduro (senge sodium hydroxide solution, pH kukosha inogona kugadziriswa sezvinodiwa).
midziyo (asidhi-inodzivirira girazi kana midziyo yepurasitiki).
Maturusi ekuyera (pH mita, chiyero chemagetsi, vernier caliper, nezvimwewo).
Corrosion rate yekuyera midziyo (yakadai sekuomesa ovheni uye chiyero chinodiwa pakurasikirwa uremu nzira).
Midziyo yekudzivirira (magirovhosi, gogi, majasi erabhoritari, nezvimwewo).
Kuedza matanho
Kugadzirira kwemuenzaniso:
Cheka iyo SML pombi sampu uye ona kuti nzvimbo yacho yakachena uye isina mafuta.
Yera uye rekodha saizi yekutanga uye huremu hwemuenzaniso.
Gadzirira mhinduro:
Gadzirira iyo acidic mhinduro uye alkaline mhinduro yeinodiwa pH kukosha.
Shandisa pH mita kuyera pH yemhinduro.
Kunyudza kuedza:
Nyura iyo DINSEN yakakandwa simbi pombi sampuli mu acidic mhinduro uye alkaline mhinduro zvakateerana.
Ita shuwa kuti sampuli yakanyudzwa zvachose uye rekodha nguva yekunyudzwa (senge maawa makumi maviri nemana, mazuva manomwe, mazuva makumi matatu, nezvimwewo).
Kuona uye kurekodha:
Tarisa kushanduka kwepasi kwemuenzaniso nguva dzose (sekuora, kushanduka, kunaya, nezvimwewo).
Rekodha shanduko yemuvara wemhinduro uye kuumbwa kwemvura.
Bvisa muenzaniso:
Mushure mekunge nguva yakatarwa yasvika, bvisa sampuli uye uisuke nemvura yakasvibiswa.
Pukuta sampuli uye uyere huremu hwayo uye saizi shanduko.
Corrosion rate calculation:
Iyo corrosion rate inoverengerwa uchishandisa uremu nzira, uye fomula ndeiyi:Corrosion rate = pamusoro penzvimbo × nguva
Kuonda:
Enzanisa mazinga ekuora munzvimbo dzine acidic uye alkaline.
Ongororo yemhedzisiro:
Ongorora kushorwa kwekupokana kwe ductile iron mapaipi pasi pemamiriro akasiyana epH.
Ongorora kushanda kwayo mumashandisirwo anoshanda.
Zvekungwaririra
Kuchengetedza kuchengetedza:
Acid uye alkali mhinduro dzinoora, uye vanoedza vanofanirwa kupfeka zvekudzivirira.
Kuedza kunofanirwa kuitwa munzvimbo ine mhepo yakanaka.
Solution concentration:
Sarudza yakakodzera asidhi uye alkali concentration zvinoenderana neiyo chaiyo application mamiriro.
Sample processing:
Ita shuwa kuti nzvimbo yemuenzaniso yakachena kudzivirira tsvina inokanganisa mhedzisiro yekuyedza.
Nguva yekuedza:
Isa nguva yekunyudza inonzwisisika zvinoenderana nechinangwa chekuyedza kuti uongorore zvizere kuita kwekuora.
Zviyedzo zvabuda nemashandisirwo
Kana iyo ductile iron pombi inoratidza yakaderera corrosion mwero munzvimbo ine acid-base, zvinoreva kuti ine yakanaka corrosion resistance uye yakakodzera kune yakaoma makemikari nharaunda.
Kana chiyero chekuora chakakwirira, mamwe maitiro ekudzivirira-kuora (akadai sekuvhara kana kudzivirira cathodic) angadiwa.
Kuburikidza nemiedzo yeasidhi-base, kugadzikana kwekemikari yepombi dzesimbi dze ductile kunogona kunzwisiswa zvizere, zvichipa hwaro hwesainzi hwekushandisa kwavo munzvimbo dzakatarwa.
Nguva yekutumira: Feb-28-2025
