CN202903556U - 一种气体取样装置 - Google Patents

一种气体取样装置 Download PDF

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CN202903556U
CN202903556U CN 201220557194 CN201220557194U CN202903556U CN 202903556 U CN202903556 U CN 202903556U CN 201220557194 CN201220557194 CN 201220557194 CN 201220557194 U CN201220557194 U CN 201220557194U CN 202903556 U CN202903556 U CN 202903556U
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sample gas
rifle
gas
sampling device
sampling
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石兆奇
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Xi'an Dingyan Technology Co ltd
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XIAN DINGYAN TECHNOLOGY Co Ltd
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Abstract

本实用新型公开了一种气体取样装置,包括取样探枪、及取样探枪上的样气管线和与取样探枪相连的反吹单元,所述取样探枪的样气管线上依次设置有样气采集端、通过法兰连接的电动球阀Ⅰ以及样气排出端;所述电动球阀Ⅰ连通有反吹单元。该装置能有效抽取采样气体,充分对采样气体进行过滤,其结构简单、使用安全、安装方便。

Description

一种气体取样装置
技术领域
本实用新型涉及一种取样装置,特别是涉及一种适合对气体取样的装置。 
背景技术
随着社会经济的发展,在煤矿、石油、空气分离等行业的大型工业企业的生产过程中,某些生产环节下需要对生产过程所产生的气体(如CO、CO2、O2等气体)进行必要的浓度检测,以维护正常的生产活动。在检测过程中,首先必须对被测气体进行采样,而采样便需要使用相应的采样器件。现有的取样器件主要由取样探枪、反吹单元、样气管线组成,其存在没有过滤、防腐蚀功能,致使所取出的气体样品中掺入有杂质,导致最终检测结果不准确,影响正常生产。 
实用新型内容
本实用新型是为了克服传统采样器件存在的缺点,提供一种能有效抽取采样气体、充分对采样气体进行过滤、结构简单、使用安全、安装方便的脱硝取样装置。 
本实用新型是通过如下技术方案实现的。 
一种气体取样装置,包括取样探枪、及取样探枪上的样气管线和与取样探枪相连的反吹单元,所述取样探枪的样气管线上依次设置有样气采集端、通过法兰连接的电动球阀Ⅰ以及样气排出端;所述电动球阀Ⅰ连通有反吹单元。 
作为对现有技术的改进,本实用新型装置中: 
所述样气采集端包括探枪枪体,以及设置在探枪枪体内腔中的碳化硅过滤装置,设置在探枪枪体端部的样气采集口和套接于探枪枪体外部的探枪护 套。 
所述碳化硅过滤装置由陶瓷支撑体内壁附着陶瓷纤维复合过滤膜构成。 
所述样气采集口的外圈为圆形;且设有300-450目的过滤网。 
所述样气排出端设置有样气出气口,样气出气口设置在样气排出端的尾部。 
所述反吹单元上设置有电动球阀Ⅱ。 
本实用新型的优点和效果如下: 
本实用新型是一种在高温、高压、腐蚀性气体、刺激性气体以及高粉尘浓度等恶劣环境下实现样气抽取的装置。其可以直接抽取烟道中的气体,并且具备相应的前端处理设备,所以减少了大量的维护成本,能够获得比其他采样装置更加纯净的样气。 
本实用新型能有效抽取采样气体、对采样气体进行充分过滤,它安装方便、使用安全。本实用新型采用碳化硅作为取样和过滤的装置,它由孔径小、高强度、高透气性陶瓷支撑体和高过滤精度的陶瓷纤维复合过滤膜两部分组成,具有良好的透气性、热稳定性、机械强度高、耐酸碱腐蚀、非亲水性、安全性等优点。而且,反吹单元设置能够有效的防止采样口堵塞。 
附图说明
图1是本实用新型结构示意图。 
图2是探杆内部的碳化硅过滤装置结构示意图。 
具体实施方式
下面结合附图及实施例对本实用新型做进一步详细说明。 
如图1所示,该气体取样装置,主要由样气采集口1、碳化硅过滤装置2、样气管路、反吹管路、球阀、探枪护套3、样气出气口5构成。 
在取样探枪上设有样气管线和与取样探枪相连的反吹单元8,取样探枪 的样气管线上依次设置有样气采集端、通过法兰6连接的电动球阀Ⅰ4以及样气排出端;所述电动球阀Ⅰ4连通有反吹单元8。 
样气采集端包括探枪枪体,以及设置在探枪枪体内腔中的碳化硅过滤装置2,设置在探枪枪体端部的样气采集口1和套接于探枪枪体外部的探枪护套3。样气排出端设置有样气出气口5,样气出气口5设置在样气排出端的尾部。反吹单元8上设置有电动球阀Ⅱ7。 
本装置中,碳化硅过滤装置2由陶瓷支撑体内壁附着陶瓷纤维复合过滤膜构成。样气采集口1的外圈为圆形;且设有300-450目的过滤网。 
采样口呈圆形,设有大孔径过滤网,主要过滤样气中大颗粒粉尘和杂质;取样探杆与法兰以丝口对接;探杆内部的碳化硅过滤装置顶端有耐高温的金属包边,金属外翻,与法兰通过平口螺丝连接(详见图2);反吹单元通过电动球阀控制实时、适量进入反吹气。 
工作时,样气通过采样口,进入前端样气采集口进入枪体,在通过碳化硅过滤装置,进入后端;碳化硅过滤装置能有效过滤样气中过量的水分及颗粒性杂质;电动球阀Ⅰ开启,电动球阀Ⅱ关闭,样气进入探枪腔体,通过出口流出最终进入分析单元。当采样口堵塞时,电动球阀Ⅱ开启,反吹气进入探杆,将堵塞物吹出。护套用于保护探杆未插入烟囱中的裸露部分。 
以上所述,仅是本实用新型的实施例,并非对本实用新型做任何限制,凡是根据本实用新型技术对以上实施例所做的任何简单修改、变更以及等效结构变化,均仍属于本实用新型技术方案的保护范围内。 

Claims (6)

1.一种气体取样装置,包括取样探枪、及取样探枪上的样气管线和与取样探枪相连的反吹单元(8),其特征在于:所述取样探枪的样气管线上依次设置有样气采集端、通过法兰(6)连接的电动球阀Ⅰ(4)以及样气排出端;所述电动球阀Ⅰ(4)连通有反吹单元(8)。 
2.根据权利要求1所述的一种气体取样装置,其特征在于:所述样气采集端包括探枪枪体,以及设置在探枪枪体内腔中的碳化硅过滤装置(2),设置在探枪枪体端部的样气采集口(1)和套接于探枪枪体外部的探枪护套(3)。 
3.根据权利要求2所述的一种气体取样装置,其特征在于:所述碳化硅过滤装置(2)由陶瓷支撑体内壁附着陶瓷纤维复合过滤膜构成。 
4.根据权利要求2所述的一种气体取样装置,其特征在于:所述样气采集口(1)的外圈为圆形;且设有300-450目的过滤网。 
5.根据权利要求1所述的一种气体取样装置,其特征在于:所述样气排出端设置有样气出气口(5),样气出气口(5)设置在样气排出端的尾部。 
6.根据权利要求1所述的一种气体取样装置,其特征在于:所述反吹单元(8)上设置有电动球阀Ⅱ(7)。 
CN 201220557194 2012-10-26 2012-10-26 一种气体取样装置 Expired - Lifetime CN202903556U (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108426817A (zh) * 2018-05-08 2018-08-21 宁夏锦汇源化工有限公司 高浓度粉尘环境下连续检测气体浓度的系统及方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108426817A (zh) * 2018-05-08 2018-08-21 宁夏锦汇源化工有限公司 高浓度粉尘环境下连续检测气体浓度的系统及方法

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