Be used for subregion speed field flow -speed measurement rectangle face to get pressure flowmeter

• Main Authors: CAO CHUNJIAN, ZHAO HOUREN, WANG DANQIU, LI LIANGCHUN
• Format: Patent
• Language: Chinese; English
• Published: 11.09.2018
• Subjects: MEASURING; MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL; METERING BY VOLUME; PHYSICS; TESTING

The utility model discloses a be used for subregion speed field flow -speed measurement rectangle face to get pressure flowmeter, including at least two sets of pairs of rectangle venturi, connect through supporting between the adjacent pair of rectangle venturi, the two rectangle venturi of every group all include one -level rectangle venturi and install the second grade rectangle venturi in one-level rectangle venturi, one -level rectangle venturi, second grade rectangle venturi respectively through the connecting pipe with get the crimping mouth and link to each other. The utility model discloses taking the rectangle face to get the pressure mode, having the function of utilizing fluid kinetic energy to carry out self -cleaning, thoroughly solved and measured the easy difficult problemof blockking up of dusty airflow, the while also remains measurement accuracy and does not almost have throttling loss's advantage. 本实用新型公开种用于分区速度场流速测量矩形面取压流量计，包括至少两组双矩形文丘里，相邻双矩形文丘里之间通过支撑连接，每组双矩形文丘里均包括级矩形文丘里以及安装在级矩形文丘里内的二级矩形文