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Anhui Dajiang Co.,Ltd.--- Ammonia-free denitration technology transformation

Customer Reviews：

“ Huijin technical service team is professional and responsible!”

Project Introduction：

Since Ammonia-free Dentration Kiln Tail Sintering System technology transformation was used in the 2500TPD production line of Diandong Cement Co., Ltd., the ammonia water consumption was reduced from 17-18t/d to 8-9t/d（saving effectiveness up to 55%. At the same time, NOx emission was controlled within 300mg/Nm³.

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Technical parameter comparison table

Technical paramters

Before transformation

After transformation
Coal consumption at kiln head（t/h）

4.5

4.5
Coal consumption at kiln tail（t/h)

7.8

7.8
Kiln feeding（t/h）

210

210
Secondary air temperature（℃）

1120

1120
Tertiary air temperature（℃）

830

830
C1 outlet temperature（℃）

320

320
Kiln tail temperature（℃）

1010

1010
NOx standard（mg/Nm³）

400

400
NOx actural emission（mg/Nm³）

300

300
Ammonia consumption（m³/h）

17—18

8—9
O2 emission（%）

8

8
Clinker KH value

0.90

0.90
Clinker 3 days strength（MPa）

32

32
Clinker 28 days strength（MPa）

55

55
Clinker standard coal（kg/t）

105

105

Project Introduction

Customer Reviews：

Huijin cement rotary kiln burner has perfect power-saving effect, the ammonia dosage is also significantly reduced.

Customer Reviews：

Huijin cement rotary kiln burner have stable and powerful flame, which indirectly prolong kiln lining service life, and with high flexibility adapt to low value pulverized coal.