一种蒸汽孔板流量计用前置调零装置制造方法及图纸

技术编号:20926465 阅读:49 留言:0更新日期:2019-04-20 11:54
本实用新型专利技术是一种蒸汽孔板流量计用前置调零装置,它包括流量孔板、孔板前引压管、孔板后引压管、流量变送器和平衡阀,所述流量孔板置于管道内并固连,所述孔板前引压管置于流量孔板前与管道连通,所述孔板后引压管置于流量孔板后与管道连通,孔板前引压管与孔板后引压管之间设置所述流量变送器,在孔板前引压管上、管道与流量变送器之间依次设置第一阀门和第一冷凝罐,在孔板后引压管上、管道与流量变送器之间依次设置第二阀门和第二冷凝罐,其特点是:所述平衡阀置于孔板前引压管与孔板后引压管之间,平衡阀的一端位于第一阀门和第一冷凝罐之间、且与孔板前引压管连接,平衡阀的另一端位于第二阀门和第二冷凝罐之间、且与孔板后引压管连接。

A Pre-Zero-adjusting Device for Steam Orifice Flowmeter

The utility model relates to a pre-zero adjusting device for a steam orifice plate flowmeter, which comprises a flow orifice plate, a pre-orifice plate pressure drain pipe, a post-orifice plate pressure drain pipe, a flow transmitter and a balance valve. The flow orifice plate is placed in the pipeline and fixed, the pre-orifice plate pressure drain pipe is placed in front of the flow orifice plate and connected with the pipeline, the post-orifice plate pressure drain pipe is placed behind the flow orifice plate and connected with the pipeline, and the orifice plate is The flow transducer is arranged between the pressure pipe and the pressure pipe behind the orifice plate, the first valve and the first condensation tank are arranged on the pressure pipe before the orifice plate, between the pipeline and the flow transducer in turn, and the second valve and the second condensation tank are arranged on the pressure pipe behind the orifice plate, between the pipeline and the flow transducer in turn. The balance valve is arranged between the pressure pipe before the orifice plate and the pressure pipe behind the orifice plate. One end of the balancing valve is located between the first valve and the first condensation tank, and is connected with the orifice plate front pressure pipes. The other end of the balancing valve is located between the second valve and the second condensation tank, and is connected with the orifice plate back pressure pipes.

【技术实现步骤摘要】
一种蒸汽孔板流量计用前置调零装置
本技术涉及流量计量,是一种蒸汽孔板流量计用前置调零装置。
技术介绍
孔板流量计是目前应用最为广泛的流量计,它具有结构简单、技术成熟、测量稳定性好、无需实流校验等优点。在用于蒸汽流量测量时典型的测量系统结构是:它包括流量孔板1、孔板前引压管、孔板后引压管、流量变送器6、第一阀门2.1、第一冷凝罐3.1、第三阀门4.1、第二阀门2.2、第二冷凝罐3.2、第四阀门4.2和平衡阀5,所述流量孔板1置于管道内并固连,所述孔板前引压管置于流量孔板1前与管道连通,所述孔板后引压管置于流量孔板1后与管道连通,孔板前引压管与孔板后引压管之间设置所述流量变送器6,在孔板前引压管上、管道与流量变送器之间依次设置所述第一阀门2.1、所述第一冷凝罐3.1和所述第三阀门4.1,在孔板后引压管上、管道与流量变送器6之间依次设置所述第二阀门2.2、所述第二冷凝罐3.2和所述第四阀门4.2,所述平衡阀5置于孔板前引压管与孔板后引压管之间,平衡阀5的一端位于第三阀门4.1和流量变送器6之间、且与孔板前引压管连接,平衡阀5的另一端位于第四阀门4.2和流量变送器6之间、且与孔板后引压管连接本文档来自技高网...

【技术保护点】
1.一种蒸汽孔板流量计用前置调零装置,它包括流量孔板、孔板前引压管、孔板后引压管、流量变送器、第一阀门、第一冷凝罐、第二阀门、第二冷凝罐和平衡阀,所述流量孔板置于管道内并固连,所述孔板前引压管置于流量孔板前与管道连通,所述孔板后引压管置于流量孔板后与管道连通,孔板前引压管与孔板后引压管之间设置所述流量变送器,在孔板前引压管上、管道与流量变送器之间依次设置所述第一阀门和所述第一冷凝罐,在孔板后引压管上、管道与流量变送器之间依次设置所述第二阀门和所述第二冷凝罐,其特征是:所述平衡阀置于孔板前引压管与孔板后引压管之间,平衡阀的一端位于第一阀门和第一冷凝罐之间、且与孔板前引压管连接,平衡阀的另一端位于...

【技术特征摘要】
1.一种蒸汽孔板流量计用前置调零装置,它包括流量孔板、孔板前引压管、孔板后引压管、流量变送器、第一阀门、第一冷凝罐、第二阀门、第二冷凝罐和平衡阀,所述流量孔板置于管道内并固连,所述孔板前引压管置于流量孔板前与管道连通,所述孔板后引压管置于流量孔板后与管道连通,孔板前引压管与孔板后引压管之间设置所述流量变送器,在孔板前引压管上、管道与流量变送器之间依次设置所述第一阀门和所述第一冷凝罐,...

【专利技术属性】
技术研发人员:乌光张军
申请(专利权)人:吉林炭素有限公司
类型:新型
国别省市:吉林,22

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