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Sealed type sampling device

A sampling device and a closed technology, applied in the field of closed sampling devices, can solve the problems of sampling bottle explosion, liquid dispersion in the bottle, high risk factor, etc., and achieve the effect of avoiding bursting

Active Publication Date: 2010-06-02
常熟市华能水处理设备有限责任公司
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Problems solved by technology

The sampling environment is usually low-pressure room temperature. Due to the temperature changes in the two links of sampling and testing, and because the expansion coefficient of the sampling bottle used in the sampling device is different from that of the sampling liquid, it is very likely to cause a huge pressure in the sampling bottle. It may even lead to the explosion of the sampling bottle, and the liquid in the bottle will disperse to the outside world, resulting in a safety accident
Especially when the sample taken is flammable, explosive or toxic gas, the risk factor is even greater

Method used

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Embodiment Construction

[0014] In order to enable the examiners of the patent office, especially the public, to understand the technical essence and beneficial effects of the present invention more clearly, the applicant will describe in detail below in conjunction with the accompanying drawings in the form of embodiments, but none of the descriptions of the embodiments is a description of the present invention. Restriction of the inventive solution, any equivalent transformation made according to the concept of the present invention which is only in form but not in substance shall be regarded as the scope of the technical solution of the present invention.

[0015] Please see figure 1 , one end of the sampling bottle 1 in the nature of a steel cylinder is figure 1 The first interface 15 of the shown upper end is equipped with a first pipeline adapter 11, and the other end of the sampling bottle 2 is figure 1 The shown second interface 16 at the lower end is equipped with a second pipeline adapter 1...

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Abstract

The invention relates to a sealed type sampling device which belongs to the technical field of medium sampling facilities. The sealed type sampling device comprises a sampling bottle, wherein one end of the sampling bottle is provided with a first pipeline adapter in a matching way, the other end of the sampling bottle is provided with a second pipeline adapter in a matching way, and the first pipeline adapter and the second pipeline adapter are both communicated with a bottle cavity of the sampling bottle. The sealed type sampling device is characterized in that the side part of the height direction of the sampling bottle is provided with a burst prevention joint in an extension way, the burst prevention joint is communicated with the bottle cavity, and a burst prevention mechanism is connected on the burst prevention joint. According to the technical scheme, the sampling bottle is connected to a pipeline by a first pipeline connection port and a second pipeline connection port quickly for carrying out sampling; after the sampling, when the pressure in the sampling bottle is increased, due to the protection of the burst prevention mechanism arranged on the burst prevention joint and the pressure relief of the burst prevention mechanism, the burst of the sampling bottle can be avoided and the safety influence caused by the diffusion of harmful gas can be eradicated.

Description

technical field [0001] The invention belongs to the technical field of medium sampling equipment, and in particular relates to a closed sampling device for sampling liquid medium in pipelines. Background technique [0002] In petrochemical and liquefied gas production industries, it is necessary to sample the liquid medium flowing through the pipeline, and test the sample to understand the quality of the liquid. The sampling environment is usually low-pressure room temperature. Due to the temperature changes in the two links of sampling and testing, and because the expansion coefficient of the sampling bottle used in the sampling device is different from that of the sampling liquid, it is very likely to cause a huge pressure in the sampling bottle. It even causes the explosion of the sampling bottle, and the liquid in the bottle is dispersed in the outside world, resulting in a safety accident. Especially when the sample taken is flammable, explosive or toxic gas, the risk ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/20
Inventor 俞蓉
Owner 常熟市华能水处理设备有限责任公司
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