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Tenglong Cement Co.,Ltd.---Ammonia-free denitration technology transformation

Customer Reviews：

Director Jiang of Tenglong Cement Co.,Ltd. commented:“Your ammonia-free denitration kiln tail Sintering system transformation have so outstanding effect. When you arrive in Enshi, pls visit us!”“ Huijin Intelligent Co.,Ltd. provides perfect service while the original company didn’t offer service!” General manger Luo commented.

Project Introduction：

Since Ammonia-free denitration technology reform implemented in Tenglong Cement Co.,Ltd. on March 2, 2017, the ammonia water consumption has been reduced from 10tons/day to 2.88 tons/day( saving 7.12 tons/day), and the saving efficiency is nearly 80%. The annual ammonia water expenses saving is up to 1.45 million yuan, at the same time the NOx emission indicator is actually reduced within 360mg/Nm³.

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Technical parameter comparison table

Technical items

Before transformation

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

6.5

6.3
Coal consumption at kiln tail（t/h)

11.3

11.5
Kiln feeding（t/h）

205

205
Secondary air temperature（℃）

1100

1100
Tertiary air temperature（℃）

950

950
C1 outlet temperature（℃）

330

328
Kiln tail temperature（℃)

1150

1120
NOx standard（mg/Nm³）

400

400
NOx actural emission（mg/Nm³）

360

360
Ammonia consumption（m³/h）

0.45

0.12
O2 emission（%）

8.0

8.0
Clinker KH value

0.90

0.90
Clinker 3 days strength（MPa）

34

34
Clinker 28 days strength（MPa）

52

Updating
Clinker standard coal（kg/t）

109

109

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.