问题
问答题 简答题
举例说明火电厂各种类型换热器的应用?
答案
参考答案:
(1)表面式换热器。锅炉的大部分受热面如省煤器、管式空气预热器以及汽机的回热加热器、油冷却器等。
(2)混合式换热器。冷却塔、除氧器和锅炉的喷水减温器。
(3)蓄热式换热器。回转式空气预热器等。
举例说明火电厂各种类型换热器的应用?
参考答案:
(1)表面式换热器。锅炉的大部分受热面如省煤器、管式空气预热器以及汽机的回热加热器、油冷却器等。
(2)混合式换热器。冷却塔、除氧器和锅炉的喷水减温器。
(3)蓄热式换热器。回转式空气预热器等。
用方框内的连词填空。 | |
2. ________ this hat ________ that one is fit for you. They are too big. 3. Mr Klip bought a car ________ he could travel around. 4. ________ Alan ________ I have made the same mistakes in the physics exam. 5. ________ you do your homework here, ________ you take it home. 6. The grey jacket costs ________ much ________ the green one. 7. Miyoko gave her family a call ________ she arrived in Beijing. 8. A train journey is not ________ expensive ________ an air trip. |