CN-224231332-U - Airtight sampling device for gas-liquid double sampling

CN224231332UCN 224231332 UCN224231332 UCN 224231332UCN-224231332-U

Abstract

The utility model discloses a gas-liquid double-sampling airtight sampling device which comprises a purging system, a gas-liquid separation sampling system and an exhaust gas discharge system, wherein the gas-liquid separation sampling system is respectively connected with a purging system and an exhaust gas discharge system through pipelines, a first purging valve, a pressure regulating valve and a second purging valve are sequentially arranged on a purging pipeline, the gas-liquid separation sampling system comprises a sampling steel bottle, a gas-liquid separation tank, a transparent sampling bottle, a quick connector and a plurality of control valves, the sampling steel bottle is respectively and hermetically connected with the first pipeline and the second pipeline through corresponding quick connectors, the gas-liquid separation tank is hermetically connected with the transparent sampling bottle through the pipelines, a second inlet of the gas-liquid separation tank is hermetically connected with a medium pipeline, and the exhaust gas discharge system comprises a fourth pipeline, a fifth pipeline, a gas discharge one-way valve, a liquid discharge one-way valve and a total discharge valve. The utility model has convenient operation, safety and environmental protection, realizes the airtight collection of the gas sample and the liquid sample, greatly improves the sampling efficiency and saves the sampling time.

Inventors

WANG QI
TAN YU
SUN TINGTING
ZHANG HEXIAO
LI SHUANG
CHAO ZILIANG
LIU HAO

Assignees

抚顺市博瑞特科技有限公司

Dates

Publication Date: 20260512
Application Date: 20250625

Claims (8)

1. The airtight sampling device for gas-liquid double sampling is characterized by comprising a purging system, a gas-liquid separation sampling system and an exhaust emission system, wherein the gas-liquid separation sampling system is respectively connected with one ends of a first pipeline and a second pipeline through corresponding quick connectors, the purging system comprises a first purging valve, a pressure regulating valve, a second purging valve and a purging pipeline, the first purging valve, the pressure regulating valve and the second purging valve are sequentially arranged on the purging pipeline, one end of the purging pipeline is connected with peripheral purging equipment, the gas-liquid separation sampling system comprises a sampling steel bottle, a gas-liquid separation tank, a transparent sampling bottle, a quick connector and a plurality of control valves, an inlet and an outlet of the sampling steel bottle are respectively connected with one ends of the first pipeline and the second pipeline in a sealing manner through corresponding quick connectors, the other ends of the first pipeline and the second pipeline are connected in parallel and then are connected with a first inlet of the gas-liquid separation tank in a sealing manner, a plurality of control valves are correspondingly arranged on the first pipeline and the second pipeline, an outlet of the gas-liquid separation tank is connected with a transparent pipeline in a sealing manner through a third pipeline, the outlet of the sampling steel bottle is connected with a transparent pipeline in a sealing manner, the other ends of the sampling steel bottle are connected with a fourth pipeline in a one-way through a fifth pipeline, the exhaust emission valve is arranged on the other end of the fourth pipeline and the exhaust emission pipeline is connected with the exhaust emission pipeline in a one-way through a one-way, the fifth pipeline is connected with the exhaust emission valve in a one-way, the exhaust emission device is connected with the exhaust pipeline through a medium pipeline, the exhaust pipeline is connected with the exhaust pipeline through the pipeline, the exhaust pipeline and the exhaust pipeline through the pipeline and the exhaust sampling device respectively the pipeline and the gas pipeline through the pipeline and the gas system, the total discharge valve is correspondingly arranged on the discharge pipeline.
2. The gas-liquid double sampling airtight sampling device according to claim 1, further comprising a first pressure gauge and a second pressure gauge, wherein the first pressure gauge is arranged on the first pipeline, the second pressure gauge is arranged on the sampling steel cylinder, and the first pressure gauge and the second pressure gauge are respectively in sealing connection with the first pipeline and the sampling steel cylinder.
3. The sealed sampling device for gas-liquid double sampling according to claim 1, wherein the number of the quick connectors is two, the two quick connectors are respectively adjacent to the inlet and the outlet of the sampling steel cylinder, the two quick connectors are respectively in sealing connection with the first pipeline, the second pipeline and the inlet and the outlet of the corresponding sampling steel cylinder, and the two quick connectors are self-closing quick connectors.
4. The airtight sampling device for gas-liquid double sampling according to claim 1, wherein the stainless steel protective sleeve with a window is arranged outside the transparent sampling bottle, the opening of the transparent sampling bottle is respectively provided with a double-needle assembly and an automatic rebound rubber pad, and the transparent sampling bottle is a glass bottle.
5. The sealed sampling device for gas-liquid double sampling according to claim 1, wherein the plurality of control valves comprise a first control valve, a second control valve and a third control valve, the first control valve and the second control valve are arranged on the first pipeline and the second pipeline and are adjacent to an inlet and an outlet of the sampling steel cylinder, the other ends of the first control valve and the second control valve are respectively connected with the corresponding first pipeline and the corresponding second pipeline in a sealing way through corresponding quick connectors, and the third control valve is arranged on the second pipeline and is adjacent to the gas-liquid separation tank.
6. The gas-liquid double sampling closed sampling apparatus according to claim 5, wherein the second pipeline is a hose made of a metal material.
7. The closed sampling device for gas-liquid double sampling according to claim 1, wherein the second purge valve is a one-way valve.
8. The gas-liquid double sampling closed sampling device according to claim 1, wherein the gas-liquid separation sampling system comprises a gas-liquid separation system, a gas sampling system and a liquid separation system.

Description

Airtight sampling device for gas-liquid double sampling Technical Field The utility model relates to the technical field of petrochemical sampling devices, in particular to a closed sampling device for gas-liquid double sampling. Background Along with the rapid development of the fields of industry, environmental protection, petrochemical industry and the like, the importance of sampling analysis in practical application is more and more remarkable, the sampling analysis plays a key role in the aspects of process production, material analysis, emergency treatment, environmental monitoring, emergency response and the like, data can be rapidly acquired through analysis and timely feedback decisions are provided for subsequent treatment, particularly, how to safely and rapidly separate gas from liquid in the petrochemical field is important, the accurate sampling is ensured, the gas-liquid separation sampling device is more important, the existing sampling device can only singly sample one of gas or liquid, and some self-made gas-liquid separation sampling devices are also arranged for classifying the gas and the liquid, but the devices are complex in structure, inconvenient to operate, unsafe to use, and the sampled gas and liquid are not accurate enough and cannot adapt to the current development requirements. Therefore, developing a closed sampling device with convenient operation, safety and environmental protection and sampling efficiency for gas-liquid double sampling is a problem to be solved urgently by workers in the field. The gas-liquid double-sampling airtight sampling device is convenient to operate, safe and environment-friendly, and simultaneously realizes airtight collection of gas samples and liquid samples, so that the sampling efficiency is greatly improved, the sampling time is saved, the sampling is more diversified and accurate, the collected gas and liquid samples can truly reflect the original states of the collected gas and liquid samples, and a reliable sample foundation can be provided for subsequent analysis and detection. Disclosure of utility model The utility model aims to solve the technical problem of providing the airtight sampling device for gas-liquid double sampling, which has the advantages of simple structure, convenient operation, safety, reliability, environmental protection, accurate sampling and high sampling efficiency. In order to solve the technical problems, the technical scheme of the utility model is as follows: The utility model provides a airtight sampling device of gas-liquid double sampling which characterized in that includes: the system comprises a purging system, a gas-liquid separation sampling system and an exhaust emission system, wherein the gas-liquid separation sampling system is respectively connected with the purging system and the exhaust emission system through pipelines, the purging system comprises a first purging valve, a pressure regulating valve, a second purging valve and a purging pipeline, the first purging valve, the pressure regulating valve and the second purging valve are sequentially arranged on the purging pipeline, one end of the purging pipeline is connected with peripheral purging equipment, the gas-liquid separation sampling system comprises a sampling steel cylinder, a gas-liquid separation tank, a transparent sampling bottle, a quick connector and a plurality of control valves, an inlet and an outlet of the sampling steel cylinder are respectively connected with one ends of a first pipeline and a second pipeline through corresponding quick connectors in a sealing manner, the other ends of the first pipeline and the second pipeline are connected with a first inlet of the gas-liquid separation tank in a sealing manner after being connected in parallel, the control valves are correspondingly arranged on the first pipeline and the second pipeline, the outlet of the gas-liquid separation tank is in sealing connection with the transparent sampling bottle through a third pipeline, the third pipeline is provided with a sampling valve, the second inlet of the gas-liquid separation tank is in sealing connection with one end of a medium pipeline, the medium pipeline is provided with an inlet valve, the waste gas discharge system comprises a fourth pipeline, a fifth pipeline, a gas discharge one-way valve, a liquid discharge one-way valve and a total discharge valve, one end of the fourth pipeline is connected with the transparent sampling bottle, the other end of the fourth pipeline is connected with the fifth pipeline in parallel and then is connected with a waste gas collecting device through a discharge pipeline, the gas discharge one-way valve is arranged on the fifth pipeline, the liquid discharge one-way valve is arranged on the fourth pipeline, the total discharge valve is correspondingly arranged on the discharge pipeline. In the structure, the device further comprises a first pressure gauge and a second pressure gauge, wherein