Tsheb urea yog urea aqueous tov nrog ib tug concentration ntawm 32.5% thiab ib tug hnyav ntawm ultrapure dej. Lub luag haujlwm ntawm urea yog kho cov pa tso pa kom txo cov pa phem hauv cov pa tawm, ua kom lub cev ua haujlwm zoo thiab siv roj.
Qhov cuam tshuam ntawm kev tsis siv urea hauv tsheb:
1. Cov pa tawm ntau dhau, ua rau muaj kuab paug rau ib puag ncig;
2. Cov tshuaj lom neeg hauv lub tsheb yuav oxidize, urea nozzles yuav raug thaiv, thiab tag nrho cov kab ke yuav raug muab pov tseg;
3. Lub zog tsheb yuav txo qis.
Txoj kev los tshem tawm urea teeb tswb:
1. Hloov cov tshuaj urea;
2. Hloov cov dej cua sov valve;
3. Hloov lub twj tso kua mis urea thiab lub hwj chim module ntsaws.
Yog vim li cas rau urea teeb tswb:
1. Urea siab tsawg dhau, urea noj yog siab;
2. Lub zog tsis txaus, urea noj ntau dhau lossis qis dhau;
3. Instrument vaj huam sib luag tsis ua hauj lwm.