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tianli866150: ½ð±Ò+200, ·­ÒëEPI+1, ¡ïÓаïÖú 2016-04-25 10:55:57
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Transformation Analysis of Streamline Pulverized Coal Balanced Valve

ÕªÒª£ºÌá³öÁË Ò»ÖÖÐÂÐÍ ¿Éµ÷ʽ ú·Û¾ùºâ·§£¬¸Ã ú·Û¾ùºâ·§ ·§Ìå ²ÉÓà Á÷ÏßÐÍ Éè¼Æ·½°¸£¬¿ÉÒÔ ¼õС Á÷×èϵÊý ½µµÍ ·§ÌåÄ¥Ë𣬵÷½Ú ¸÷ Ò»´Î·ç ¹ÜµÀÖ®¼ä µÄ·ç·Û ¾ùºâ·ÖÅ䡣ʹÓà ¼ÆËãÁ÷ÌåÁ¦Ñ§£¨CFD£©·½·¨ ¶Ô °üº¬ ¾ùºâ·§ ²¿·Ö¹ÜµÀ ÊýÖµ·ÂÕæ£¬Ä£Äâ Ò»´Î·ç¹ÜµÀÄÚ Á÷³¡·Ö²¼¡¢×èÁ¦×´¿ö ÒÔ¼° ú·Û¿ÅÁ£·Ö²¼×´¿ö£¬·ÖÎöÁË ·§Ìåת½Ç¡¢Á÷ËÙ¡¢×èÁ¦µÈ Ïà¹ØÒòËØµÄ Ó°Ï죬½á¹û ±íÃ÷£º²ÉÓà Á÷ÏßÐÍÉè¼ÆµÄ ú·Û¾ùºâ·§ ¶Ô Ò»´Î·ç ·çËÙµÄÓ°Ïì ½ÏС£¬Í¨¹ý ת¶¯ ·§Ìå½Ç¶È ¿ÉÒÔµ÷½Ú ú·Û¹ÜµÀ ×èÁ¦£¬¾ßÓÐ ¾ùºâ ¸÷Ò»´Î·ç¹ÜµÀ ÄÚµÄ Ãº·ÛŨ¶È¡¢Ãº·Û·ÖÅä ÒÔ¼° ú·Û¿ÅÁ£ËÙ¶È µÄ×÷Óá£
Abstract: This paper proposed a novel adjustable balanced valve of pulverized coal. Being designed in a streamline style, this pulverized coal balanced value enjoys a reduced flow resistance coefficient and a decreased abrasion, and can adjust equilibrium assignment of air/pulverized coal between primary air pipes. By employing CFD for numerical simulation of pipe section where the balanced valve is included, we simulated flow field distribution, resistance condition, and pulverized coal particle distribution condition in primary air pipe, and analyzed the influences of related factors such as valve rotation angle, flow speed, and resistance. Results show that the proposed streamline pulverized coal balanced valve is of insignificant effect to primary air velocity. Through rotating angle of balanced valve, pulverized coal pipe resistance can be adjusted, so as to realize function of balancing pulverized coal concentration, pulverized coal distribution and pulverized coal particle velocity.

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Keywords: Streamline; Pulverized Coal Balanced Valve; Flow Resistance Coefficient; Primary Air; Computational Fluid Mechanics
2Â¥2016-04-25 10:52:04
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tianli866150

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2Â¥: Originally posted by Î人һÐÄÒ»Òë at 2016-04-25 10:52:04
Á÷ÏßÐÍ Ãº·Û¾ùºâ·§ ¸ÄÔì·ÖÎö
Transformation Analysis of Streamline Pulverized Coal Balanced Valve

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