免费1级做爰片在线观看高清

<font id="tbnbr"><noframes id="tbnbr">

<p id="tbnbr"></p>

<listing id="tbnbr"></listing><noframes id="tbnbr"><output id="tbnbr"></output><listing id="tbnbr"></listing><noframes id="tbnbr"><listing id="tbnbr"></listing>

<p id="tbnbr"></p>
<video id="tbnbr"></video>

<p id="tbnbr"></p>
<video id="tbnbr"></video>

<p id="tbnbr"></p><video id="tbnbr"><output id="tbnbr"><delect id="tbnbr"></delect></output></video><p id="tbnbr"><delect id="tbnbr"><font id="tbnbr"></font></delect></p><video id="tbnbr"></video><noframes id="tbnbr"><p id="tbnbr"></p>

<noframes id="tbnbr"><p id="tbnbr"></p>

<video id="tbnbr"><output id="tbnbr"></output></video>
<p id="tbnbr"></p>

<video id="tbnbr"><p id="tbnbr"></p></video>
<p id="tbnbr"></p>

<p id="tbnbr"></p>

<video id="tbnbr"></video>
Home > Operational Area > TURBINE
How to control differential expansion when turbine startup?

The following measures can be taken according to the unit case:

⑴select the appropriate red switch parameters.

⑵develop appropriate temperature and pressure curves.

⑶promptly use cylinders, flanges heater for controlling the temperature difference of the metal components within a predetermined range.

⑷speed control increases the speed and fixed speed warm-up time, after-load, according to the master cylinder temperature rise load speed.

⑸timely adjustment vacuum when warming punch machines.

⑹Bearing seal steam supply using appropriate and timely adjustments.


Favourite