According to the sewage characteristics, environmental requirements, management level and economic accounting, air blast aeration, mechanical surface aeration, jet aeration, etc. can be selected in the engineering design. It is generally recommended to use air blast aeration. When selecting air blast aeration system, the aerator must meet the following requirements:

1、在特定的曝氣條件下，既能滿足曝氣池污水的氧氣要求，又能達(dá)到混合攪拌，池內(nèi)無沉淀的要求。

1. Under specific aeration conditions, it can not only meet the oxygen requirements of the sewage in the aeration tank, but also meet the requirements of mixing and mixing without sedimentation in the tank.

2、曝氣器不僅要有較高的充氧性能，還要有較強的混合攪拌能力。另外，還要有不易堵塞、耐腐蝕、堅固、空氣均勻、操作管理和維護容易、成本低、阻力小、壽命長的性能。

2. The aerator should not only have high oxygenation performance, but also have strong mixing and stirring capacity. In addition, it should have the performance of not easy to block, corrosion resistance, firmness, uniform air, easy operation, management and maintenance, low cost, small resistance and long service life.

3、微孔曝氣器組成的微孔曝氣系統(tǒng)整體上應(yīng)具有、簡單配置、安裝及維修管理方便、故障診斷容易的優(yōu)點。

3. The microporous aeration system composed of microporous aerators should have the advantages of energy saving, simple configuration, convenient installation and maintenance management, and easy fault diagnosis.

4、鼓風(fēng)膜片曝氣器分為微孔曝氣器和大氣泡曝氣器，大中型城市污水處理，曝氣器應(yīng)使用微孔曝氣器，接觸曝氣器氧化法應(yīng)使用微孔泡曝氣器。

4. The air-blast diaphragm aerator is divided into microporous aerator and large bubble aerator. For large and medium-sized urban sewage treatment, microporous aerator shall be used for aerator, and microporous bubble aerator shall be used for contact aerator oxidation method.

5、工程中選擇的曝氣器在服務(wù)面積、風(fēng)量、曝氣水深不同時，應(yīng)具有標(biāo)準(zhǔn)狀態(tài)下的氧氣性能曲線和底部流速曲線。

5. The aerator selected in the project shall have oxygen performance curve and bottom flow rate curve under standard conditions when the service area, air volume and aeration depth are different.

6、鼓風(fēng)曝氣器可以滿池放置或放置在池的一側(cè)。推流式曝氣池的曝氣器應(yīng)延池長方向減少布置。

6. The blast aerator can be placed full of the tank or on one side of the tank. The aerators of the push-flow aeration tank shall be arranged in a reduced way along the length of the tank.

在污水處理中可以選擇很多工具設(shè)備，但大部分設(shè)備無法達(dá)到抱負(fù)的運用意圖。污水處理職業(yè)中一般污水量很大，一般設(shè)備在功能及效率方面有問題，因此選用技術(shù)可以確?？煽康脑O(shè)備完成處理工作，這時曝氣器是個不錯的選擇。目前曝氣設(shè)備也在其他污水處理職業(yè)中大量使用。用戶使用曝氣設(shè)備時操作方法非常簡單，設(shè)備也不會占用太多空間。重要的是，曝氣設(shè)備選擇的制造技術(shù)也更加堅固。，曝氣器的質(zhì)感很輕，這種設(shè)備用鑄鐵和混凝土管加工，所以設(shè)備不會增加工作負(fù)擔(dān)，施工方法快，不會消耗很多力量，可以降低運用本錢，曝氣設(shè)備和現(xiàn)有設(shè)備產(chǎn)品相比可以降低約30%的成本，因此，曝氣器設(shè)備受到用戶的歡迎。第二，曝氣器也有很好的耐蝕效果。設(shè)備經(jīng)過腐蝕處理，有腐蝕性物質(zhì)時不會發(fā)生化學(xué)反應(yīng)，因此使用曝氣設(shè)備更穩(wěn)定，可以為用戶提供更方便的條件，不必?fù)?dān)心物質(zhì)與物質(zhì)接觸后會出現(xiàn)化學(xué)反應(yīng)，可以放心使用。

Many tools and equipment can be selected in sewage treatment, but most of the equipment can not achieve the desired application intention. In the sewage treatment profession, there is usually a large amount of sewage, and there are problems in the function and efficiency of the general equipment. Therefore, the selection of technology can ensure that the reliable equipment can complete the treatment work. At this time, the aerator is a good choice. At present, aeration equipment is also widely used in other sewage treatment occupations. When users use aeration equipment, the operation method is very simple, and the equipment will not occupy too much space. Importantly, the manufacturing technology of aeration equipment selection is also more robust. First, the quality of aerators is very light. This kind of equipment is processed with cast iron and concrete pipes, so the equipment will not increase the workload, the construction method is fast, and it will not consume a lot of power, and it can reduce the cost of use. Compared with the existing equipment products, the cost of aerators can be reduced by about 30%. Therefore, aerators are popular with users. Second, the aerator also has good corrosion resistance. After corrosion treatment, the equipment will not react with corrosive substances. Therefore, the use of aeration equipment is more stable and can provide users with more convenient conditions. It is not necessary to worry about the chemical reaction after contact with substances, and can be used safely.

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