按廢氣污染物成分劃分的適用類型

Applicable types classified by the composition of exhaust pollutants

1. 低濃度 VOCs 為主、含少量 CO 的混合廢氣

1. Mixed exhaust gas mainly composed of low concentration VOCs and containing a small amount of CO

典型成分：烷烴（如丙烷、丁烷）、芳烴（苯、甲苯、二甲苯）、酮類（丙酮、丁酮）、醇類（乙醇、異丙醇），搭配少量一氧化碳（CO，來自燃燒設(shè)備不完全燃燒或化學(xué)反應(yīng)副產(chǎn)物）。

Typical components: alkanes (such as propane, butane), aromatics (benzene, toluene, xylene), ketones (acetone, butanone), alcohols (ethanol, isopropanol), combined with a small amount of carbon monoxide (CO, a byproduct of incomplete combustion or chemical reactions in combustion equipment).

工藝適配性：

Process adaptability:

沸石轉(zhuǎn)輪優(yōu)先吸附 VOCs，將低濃度廢氣（如 VOCs≤1000mg/m3，CO≤500mg/m3）濃縮 10-20 倍，使后續(xù)催化氧化設(shè)備只需處理高濃度 VOCs（5000-10000mg/m3），同時 CO 在催化劑作用下同步氧化為 CO?，避免單獨處理低濃度廢氣的能耗浪費。

The zeolite wheel preferentially adsorbs VOCs, concentrating low concentration exhaust gases (such as VOCs ≤ 1000mg/m 3, CO ≤ 500mg/m 3) 10-20 times, so that subsequent catalytic oxidation equipment only needs to process high concentration VOCs (5000-10000mg/m 3), while CO is synchronously oxidized to CO ? under the action of the catalyst, avoiding energy waste in processing low concentration exhaust gases separately.

2. 成分復(fù)雜、易波動的多組分廢氣

2. Multi component exhaust gas with complex composition and easy fluctuation

典型成分：同時含有苯系物、酯類（乙酸乙酯、乙酸丁酯）、醛類（甲醛、乙醛）及 CO 的混合廢氣，常見于化工反應(yīng)釜尾氣、溶劑回收車間廢氣。

Typical components: A mixed exhaust gas containing benzene derivatives, esters (ethyl acetate, butyl acetate), aldehydes (formaldehyde, acetaldehyde), and CO, commonly found in the exhaust gas of chemical reaction vessels and solvent recovery workshops.

工藝優(yōu)勢：

Technological advantages:

沸石轉(zhuǎn)輪的疏水性沸石分子篩對極性 / 非極性 VOCs 均有吸附能力，能 “廣譜捕捉” 多種有機(jī)物；催化氧化設(shè)備的催化劑（如鉑鈀合金）對不同 VOCs 的氧化反應(yīng)具有普適性，且不受廢氣濃度瞬間波動（如開停車階段濃度驟升）影響，通過轉(zhuǎn)輪的緩沖吸附，確保催化單元穩(wěn)定運行。

The hydrophobic zeolite molecular sieve of the zeolite wheel has adsorption capacity for both polar and non-polar VOCs, and can "broad-spectrum capture" various organic compounds; The catalyst of catalytic oxidation equipment (such as platinum palladium alloy) has universality for the oxidation reaction of different VOCs, and is not affected by the instantaneous fluctuation of exhaust gas concentration (such as the sudden increase in concentration during the start-up and shutdown stages). Through the buffering adsorption of the impeller, the stable operation of the catalytic unit is ensured.

3. 易燃易爆風(fēng)險的廢氣

3. Waste gases with flammable and explosive risks

典型成分：高揮發(fā)性溶劑廢氣（如汽油蒸氣、溶劑油霧），或含易爆炸下限（LEL）10%-30% 的可燃?xì)怏w（如二甲苯與空氣混合氣體），同時可能含 CO（來自不完全燃燒）。

Typical components: high volatility solvent exhaust gas (such as gasoline vapor, solvent oil mist), or combustible gases containing a lower explosive limit (LEL) of 10% -30% (such as a mixture of xylene and air), and may also contain CO (from incomplete combustion).

安全適配性：

Safety adaptability:

沸石轉(zhuǎn)輪的吸附過程在常溫下進(jìn)行，避免高溫引發(fā)爆炸；催化氧化溫度（200-400℃）遠(yuǎn)低于 VOCs 燃點（如二甲苯燃點 525℃），且濃縮后的廢氣經(jīng)稀釋后進(jìn)入催化單元，濃度控制在 LEL 的 25% 以下，從源頭杜絕安全隱患。

The adsorption process of zeolite wheel is carried out at room temperature to avoid explosion caused by high temperature; The catalytic oxidation temperature (200-400 ℃) is much lower than the ignition point of VOCs (such as the ignition point of xylene at 525 ℃), and the concentrated exhaust gas enters the catalytic unit after dilution, with a concentration controlled below 25% of LEL, to eliminate safety hazards from the source.

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