1. Represents the control discrimination methods of air economizer and their applicability.

2. The remaining superheater banks and the economizer shall have semi-retractable or fixed rotary blowers.

3. ZJCA magnetizing economizer is used for solving such problems as transmitting high viscosity dead oil in pipeline and combusting completely in furnaces.

4. Second, introduces the reason for the explosion of economizer, which mainly is erosion, abrasion and vibration.

5. Fuel economizer is placed on the back part of the boiler.

6. Connecting with the practical application of electricity economizer in a certain coal washery, this paper sums up the experiences and results of applying this system electricity economizer.

7. Preassembly of economizer coils shall be expedited ; 100 nos . joints of eco. & SH shall be welded.

8. Economizer leakage is a main problem in running of heat recovery boiler.

9. Compares the two energy saving modes, i . e . air economizer and water economizer.

10. The utility model discloses an oxyhydrogen catalysis combustion-supporting environmental-protection fuel economizer of a motor vehicle.

11. The thesis introduced the development and design of intelligent economizer in lighting system.

11. try its best to collect and create good sentences.

12. The paper analyses the heat transfer of bare pipe and spiral gilled pipe and proposes that the spiral pipes can strenght the heat transfer of economizer.

13. At the same time, the paper gives deep analysis about the optimization operation of the economizer.