Plate heat exchanger ngu ai gaw, nbung katsi ai galai shai ai arung arai langai mi rai nga ai, dai hta kaga nbung laru galai shai ai arung arai ni n mai bung ai akyu ni nga ai: shi hta nbung katsi ai lam grai law ai, n-gun n law ai nbung laru, n-gun kaji ai, n-gun n law ai, n-gun n law ai, gram lajang ai hte san seng ai lam ni nga ai,Plate heat exchanger ni law law nga ai hte aten galu daw jau ai prat nga ai. Raitim, shanhte hta n kaja ai lam nkau mi mung nga ai, n-gun 2.5Mpa hta jan nna n mai byin ai, nbung katsi ai gaw 250℃Celsius hta jan nna n mai byin ai, grau kaba ai particle ni hte galu kaba ai n-gun ni hpe katsi ai hpe n mai galai shai ai, grai n-gun ja ai bungli masa ni hta n mai lang ai, n mai lang ai. Lahta na lam ni gaw, n kaja ai lam nkau mi hpe sawk sagawn ai lam rai nga ai.wan wut galai shai ai ni:
Madung lam ni:
Hka hta n-gun galai shai ai plate ni hpe shayawm/hkap la ai: Hka kata na Calcium hte magnesium ions hte n san seng ai lam ni hpe plate ni a ntsa e tawn da nna, grai n-gun n law ai thermal conductivity hte scale layer byin pru wa ai; fluid short circuit: plate sealing gasket ni gaw asak kaba wa ai (sh) n tara ai, Ndai gaw katsi ai hte katsi ai ntsin nkau mi hpe nbung n galai shai ai sha hkrak sha kayau shangun ai; Hka kata na n-gun ja ai n-gun hte n-gun rawng ai n-gun ni hte n-gun rawng ai n-gun ni (n-gun n-gun hte n-gun rawng ai n-gun ni) hpe plate guide area (sh) flow channel hta n-gun ja ai hku n-gun shayawm ya ai majaw, n-gun rawng ai n-gun galai shai ai shara hpe shayawm ya lu ai.
Mahtai:
01
Chemical descaling (scaling a matu):
Dai jak hpe jahkring kau nhtawm, hka hpe hka ja kau nna, n-gun kya ai acid hte hka shin ai tsi (5%-8% critri acid ntsin zawn re ai) hte hka hpe hka ja nna, n-gun n rawng ai n-gang n-gang ni hpe n-gun n-gun n-htum hkra) hkying hkum 2-4 tup n-gun n-gun n-nga ai.
02
dai hpang, n-gun n rawng ai aten du hkra san seng ai hka hte hka shin u; scale layer gaw ngang kang ai rai yang (calcium carbonate hard scale zawn re ai) rai yang, hkying hkum 1 daram n-gun n-jaw shi yang, hka shin u.
03
Hydrochloric acid zawn re ai grai n-gun ja ai hparan ladat ni hpe hkum lang.
04
Hkum hkrang hpe jasan jaseng ai lam (hkum pat na matu):
Hka lum ai shara hpe garan nna, plate ni hpe shaw kau nna, hka lim ai hka htung hpe n-gun kaba hte hka lim ai (hkum hkrang n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-rawng hkra 0.8MPa hta grau n-gun n-rawng ai (sh) dai hte maren sha n-gun dat dat u);
Madung lam ni: Gasket asak kaba wa ai/jahten sharun ai lam: Long{0}} aten grai tsaw ai nbung laru hte n-gun galai shai ai lam ni a majaw, gasket hpe elasticity (sh) ntsin htum mat ai (ac acidic fluid zawn re ai) hpe sum mat shangun ai; Plate galai shai ai lam/n shut ai lam: Assembly (sh) galu kaba ai- aten galu ai n-gun n-gun hpe n-gun n-gun n-rawng ai sha, n-gup n-gu ni hpe n-gun n-rawng ai sha, n-gup n-gu ni hpe n-gun n-rawng hkra galaw ai; flange seal hkrat sum ai lam: shang wa ai hte pru wa ai flange gasket asak, shing nrai, bolts ni gaw n-gun n rawng mat ai (alternting hot hte cold causes ni gaw jat wa na matu hte n-gun yawm wa ai). Shutdown hka pru ai lam gaw madung hku nna, n-gun n-gun galai ai jak hpe chyahkring hkring hpang nna, n-gun n-gun n-gun n-rawng ai lam ni hpe bai gram lajang ai majaw byin pru wa ai; kata na hka lim ai lam gaw madung hku nna hkrat sum mat ai wan sau hte plate n-gun yawm ai hte n-gun yawm ai lam ni a majaw byin pru wa ai;shinggan de pru wa ai madung lam ni gaw, n tara ai lam, extrusion, sealing gasket a hkra machyi ai lam, plate a n-gun yawm ai lam hte n-gun n rawng ai lam ni, masat da ai clamping size de n-gun n rawng ai lam ni rai nga ai; myi nmu ai plate hte clamping plate lapran hka pru wa ai madung lam gaw, myi nmu ai plate hpe n-gun ja ai arung arai ni hte htu tawn da ai majaw re.
Hpaji jaw ai lam: Hkyak hkyak tsi lajang ai lam: kalang ta system a n-gun hpe shayawm nna, heat exchanger shang wa ai hte pru wa ai valve ni hpe pat da u (katsi maga hpe shawng pat kau nna, katsi ai maga de), hka hpe hka ja kau nna pat kau u; Seal ni hpe galai kau u: wan n-gun galai ai jak hpe garan kau nna, gasket yawng hpe shaw kau u, Plate goove hpe n-gun n rawng hkra pat da u (nga yang, n-gun ja ai sandpaper hte n-gun rawng hkra); Sealing gasket hpe dai hte maren sha galai kau u (hka n-gun- hpe n-gun shayawm ai- hpe n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun hpe n-gun n-gun n-rawng hkra galaw nna, n-gun n-gun hpe n-gun n-rawng ai alkali a matu nitrile rubber hte EPDM zawn re ai ni hpe lang na matu hpaji jaw da ai);reassemble hte n-gun n-rawng ai: plate ni hpe shawng na ladat hta bang nna (plate nambat ni hpe reverse installation hpe koi lu na matu diagon hku nna n-gun dat ra ai), n-gup n-gu hpe n-gun n-gun hte n-gun dat ra ai. grai law ai buga ginra a n-gun);
Heat exchanger a shang wa ai hte pru wa ai n-gun shadawn ai lam ni a lapran na shai hkat ai lam gaw design manu hta jan ai (ga shadawn, design pressure gaw 0.1MPa hte hkrat sum mat ai, raitim, tengman ai n-gun gaw 0.3MPa de hkrat mat ai); pump outlet n-gun jat wa ai, raitim .wan wut galai shai ai wainlet flow rate yawm mat ai (pum gaw grai law hkra law ai hte nsen ni mung law wa ai).
Madung lam ni: Flow channel hpe pat shingdang ai lam: hka kata na n san seng ai lam ni: hka htung kata na n san seng ai lam ni hpe plate lwi ai hka htung kata de bang da ai, hka lwi ai cross{0}}sectional area; plates ni a jahpan (sh) plate amyu myu hpe shayawm ya ai: Hka lim ai lam a tengman ai lam gaw design manu hta grau law ai, shing nrai, plate hka lwi ai hka htung kaji hpe lang nna, hka lwi ai lam kaba hpe galaw na matu, hka n-gun grai yawm ai (ga shadawn, ga shadawn, ga shadawn, ga shadawn, ga shadawn, ga shadawn, ga shadawn, n-gun n law ai shara ni hta sau a viscosity law wa ai), shing nrai, hka hta n-gun law law lawm ai (slurry zawn re ai) lawm ai majaw, hka lwi ai hpe ninghkap lu ai atsam grau law wa ai.
Hpaji jaw ai lam: Hka lim ai lam hpe pat kau ngut ai hpang: Hka lum ai shara hpe pat kau nna, hka lim ai hka htung hpe n-gun kaba ai{0}}}pressure hka htung hte hka shin na, shing nrai, laksan ball hpe lang u (hka lim ai lam galu kaba ai hta loi mi kaji ai diameter hte) hpe lang nna, pat shingdang ai lam hpe yeng seng kau na; Operation parameters ni hpe gram lajang na: hka lwi ai lam grai kaba ai rai yang, pump a n-gun hpe hkrak hkra shayawm kau na (des design flow rate a ±10% lapran hta hkang na); fluid viscosity grai law ai rai yang, hka kata na nbung n-gun hpe jat shangun u (hkai sun hpe htuk manu ai viscosity range de katsi shangun ai zawn re ai) shing nrai, hka kata kaw shawng nnan lang ai jak hpe bang u.
a:Htungm maga na pru ai shara gaw design manu hta grau law ai. Madung lam ni gaw: lata la ai manghkang, hot side flow rate gaw design manu hta grau law ai, plate hpe pat da ai (sh) katsi ai maga hka lim ai lam kaji ai;
b:Kam ai maga na pru ai shara gaw grai n law ai. Madung lam ni gaw kaji ai hot side flow (sh) design manu, plate blockage, etc ni hta grau npu ai.