Malinga ndi kutentha kosiyanasiyana komwe kumaloledwa kugwira ntchito kwa SCR, nthawi zambiri imagawidwa m'ma catalysts a SCR otentha pang'ono (pafupifupi 150 ℃ -260 ℃), makamaka pogwiritsa ntchito ma catalysts a SCR okhala ndi mkuwa; chothandizira cha SCR kutentha kwapakati (pafupifupi 260 ℃ -400 ℃), makamaka pogwiritsa ntchito chothandizira cha SCR chokhala ndi vanadium; ndi ma catalysts a SCR otentha kwambiri (oposa 300 ℃ -600 ℃), makamaka pogwiritsa ntchito ma catalysts a SCR okhala ndi iron-based molecular sieve.
1. Yogwira ntchito bwino
Poyerekeza ndi ma catalyst achikhalidwe, mphamvu ya denitrification imawonjezeka ndi 10-20% pansi pa mikhalidwe yomweyi.
2.osakhala ndi poizoni
Ma catalyst a oxide okhala ndi magawo ambiri achitsulo ndi osaopsa konse komanso osavulaza chilengedwe.
3. Yotsika mtengo
Chigawo chachikulu cha zinyalala zopangira titanium dioxide ndi chitsulo, chomwe chingagwiritsidwe ntchito ngati zopangira pokonza mwa kuwongolera kutentha kwa kupanga ndi zinthu zina.
4. Mafomu osiyanasiyana ofunsira
Mawonekedwe enieni a catalyst angapangidwe malinga ndi momwe malo oyeretsera madzi amakhalira
5. Sinthani kutentha kosiyanasiyana
Mphamvu ya denitrification ikhoza kupezeka pa kutentha kwa mpweya wa flue kuyambira madigiri 200 mpaka 550 Celsius, yoyenera kutentha pafupifupi madigiri 350 Celsius.
| Chiwerengero cha mabowo | Makulidwe a khoma lamkati (mm) | Kukhuthala kwa khoma lakunja (mm) | Chitseko (mm) | Kuchuluka kwa madzi (%) | Malo ozungulira (m²/m³) |
| 15x15 | 1.1 | 1.7 | 8.7 | 75.7 | 347 |
| 16x16 | 1.0 | 1.5 | 6.2 | 76.4 | 372 |
| 18x18 | 1.0 | 1.4 | 7.2 | 75.2 | 415 |
| 20x20 | 1.0 | 1.5 | 6.4 | 75.3 | 456 |
| 21x21 | 0.9 | 1.4 | 6.2 | 75.1 | 485 |
| 22x22 | 0.8 | 1.3 | 5.9 | 75.4 | 509 |
| 25x25 | 0.8 | 1.3 | 5.1 | 73.2 | 569 |
| 30x30 | 0.7 | 1.2 | 4.2 | 71.4 | 667 |
| 35x35 | 0.6 | 1.2 | 3.7 | 69.5 | 780 |
| 40x40 | 0.6 | 1.0 | 3.2 | 68.8 | 887 |
| 45x45 | 0.5 | 1.0 | 2.77 | 65.6 | 972 |
| Kutentha kwa mpweya wozizira | 200-280℃ | Kuchuluka kwa NOx mu inlet | ≤1200mg/m³ |
| Kutuluka kwa ammonia m'thupi | ≤3ppm | Kuchuluka kwa NOx mu Outlet | ≤130mg/m³ |
| Kukana | ≤1500Pa | Moyo wautumiki | ≥24000h |
Njira yochotsera ma nitrification ya selective reduction (SCR) pogwiritsa ntchito ma catalyst a nitrogen oxide yakhala ikugwiritsidwa ntchito kwambiri m'mafakitale monga ma thermal power plants, ma power plants opangidwa ndi malasha, ma gas turbine units, zinyalala zoyaka, zitsulo, petrochemicals, ndi ma internal burn engine units.
Nthawi yotumizira: Julayi-14-2025