1.生物脫硫工藝工作原理

1. Working principle of biological desulfurization process

它是以循環流化床技術原理為基礎的先進煙氣半干法脫硫工藝。該工藝以干泰消石灰粉Ca(OH)2為吸收劑，在煙氣中噴灑工藝霧水，增濕和活化煙氣中的酸性物質，通過干粉吸收劑多次再循環，在吸收塔中與煙霧污染物發生強烈接觸時發生化學反應，延長吸收劑和煙氣的接觸時間，達到脫硫的目的。通過化學反應可以有效去除煙霧中的SO2、SO3、HF、HCl，脫硫產物是自由流動的干粉混合物，沒有二次污染，可以更綜合地利用。

It is an advanced semi dry flue gas desulfurization process based on the principle of circulating fluidized bed technology. This process uses dry hydrated lime powder Ca (OH) 2 as the absorbent, sprays process mist water in the flue gas, humidifies and activates acidic substances in the flue gas. Through multiple cycles of dry powder absorbent, chemical reactions occur when it comes into strong contact with smoke pollutants in the absorption tower, prolonging the contact time between the absorbent and the flue gas, and achieving the purpose of desulfurization. Chemical reactions can effectively remove SO2, SO3, HF, and HCl from smoke. The desulfurization product is a free flowing dry powder mixture without secondary pollution, which can be more comprehensively utilized.

2.生物脫硫工藝系統配置

2. Configuration of biological desulfurization process system

生物脫硫工藝系統主要由煙氣系統、吸收塔系統、吸收劑制備系統、除塵系統、返回材料、排放系統、公用系統(工藝水、壓縮空氣等)、電氣控制系統等組成。

The biological desulfurization process system mainly consists of flue gas system, absorption tower system, absorbent preparation system, dust removal system, return material, emission system, utility system (process water, compressed air, etc.), electrical control system, etc.

3.階段特性

3. Stage characteristics

(1)不能來的工序

(1) Process that cannot come

(2)投資成本低的過程

(2) The process of low investment cost

(3)舊工廠改造理想的工藝

(3) Ideal process for renovating old factories

(4)高可用性

(4) High availability

(5)安裝時間短

(5) Short installation time

(6)占地面積小

(6) Small footprint

(7)維護成本低

(7) Low maintenance cost

(8)產品可以銷售或填埋

(8) The product can be sold or buried

4.生物脫硫工藝應用領域

4. Application fields of biological desulfurization process

燃煤發電鍋爐、熱電聯產鍋爐、集中供熱鍋爐、垃圾焚燒鍋爐、燒結機、九段窯、焦化爐、玻璃窯等煙氣脫硫。友情提示：該工藝適合煤的硫量在2%以下的工作條件，脫硫效率可以達到90%以上，對于煤的硫量在2%以上的工作條件，要增設爐內脫硫系統。

Coal fired power generation boilers, cogeneration boilers, centralized heating boilers, waste incineration boilers, sintering machines, nine section kilns, coking furnaces, glass kilns and other flue gas desulfurization systems. Friendly reminder: This process is suitable for working conditions where the sulfur content of coal is below 2%, and the desulfurization efficiency can reach over 90%. For working conditions where the sulfur content of coal is above 2%, an in furnace desulfurization system should be added.

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