CN219319869U - Gas detection sampling device in liquid pipeline - Google Patents
Gas detection sampling device in liquid pipeline Download PDFInfo
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- CN219319869U CN219319869U CN202320477329.1U CN202320477329U CN219319869U CN 219319869 U CN219319869 U CN 219319869U CN 202320477329 U CN202320477329 U CN 202320477329U CN 219319869 U CN219319869 U CN 219319869U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The utility model provides a gas detection sampling device in a liquid pipeline, which comprises a degassing cylinder body, wherein the upper end surface and the lower end surface of the degassing cylinder body are of an open structure, a degassing cylinder flange and a reducing flange are sequentially connected from inside to outside on the upper end surface and the lower end surface, a vent pipe extending in a direction far away from the degassing cylinder body is arranged on the reducing flange and the degassing cylinder flange which are positioned on the upper end surface in a penetrating way, the outlet end of the vent pipe is connected with a gas detection connecting pipe through a gas detection connecting pipe flange, and a vent pipe extending in a direction far away from the degassing cylinder body is connected on the reducing flange positioned on the lower end surface; the liquid inlet pipe and the liquid outlet pipe are arranged on the circumferential side wall of the degassing cylinder body, the liquid inlet pipe flange and the liquid outlet pipe flange are sequentially connected to the branch pipe of the detected pipeline in a downstream mode, and the whole sampling device is connected with the detected pipeline in parallel. The gas detection sampling device in the liquid pipeline can quickly and effectively separate the gas in the liquid, so that the gas in the liquid can be detected.
Description
Technical Field
The utility model belongs to the technical field of gas sampling, and particularly relates to a gas detection sampling device in a liquid pipeline.
Background
According to the related standard requirements of the bulk transportation liquefied gas ship, a gas detection device is required to be installed on a seawater pipeline for cooling cargoes so as to fully detect whether inflammable gas or harmful gas is mixed into a cooling seawater system, but the existing gas detection device cannot directly contact detected seawater, otherwise, detection failure and damage to the detection device are easily caused, and therefore, a gas sampling device is required.
Disclosure of Invention
In view of the above problems, the utility model provides a gas detection sampling device in a liquid pipeline, which can rapidly and effectively separate gas in liquid, so that the gas in the liquid can be detected, and is particularly suitable for a liquid/gas transport ship.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the device comprises a degassing cylinder body, wherein the upper end face and the lower end face of the degassing cylinder body are of an open structure, a degassing cylinder flange and a reducing flange are sequentially connected to the upper end face and the lower end face from inside to outside, the reducing flange at the upper end face is communicated with the inside of the degassing cylinder body, the outlet end of the ventilation pipe is connected with one end of a gas detection connecting pipe through a gas detection connecting pipe flange, and the other end of the gas detection connecting pipe is connected with a gas detector; a reducing flange positioned at the lower end face is connected with a discharge pipe extending away from the degassing cylinder body, and the discharge pipe is communicated with the inside of the degassing cylinder body; be equipped with feed liquor pipe and drain pipe on the circumference lateral wall of degasification section of thick bamboo body, the height of feed liquor pipe is higher than the height of drain pipe, and the one end that the degasification section of thick bamboo body was kept away from to feed liquor pipe and drain pipe all is connected with by the detection pipeline branch pipe through feed liquor pipe flange and drain pipe flange respectively, and two are detected pipeline branch pipes respectively with by the detection pipeline intercommunication, gas detection sampling device and by the parallel connection of detection pipeline.
Further, the lower end of the ventilation pipe is positioned inside the scavenging cylinder body, and the air inlet at the lower end is positioned above the liquid outlet of the liquid inlet pipe.
Further, a gas release port is formed in the circumferential side wall of the gas permeability pipe, a gas release pipe is connected to the gas release port, a gas outlet of the gas release pipe is connected with the stop valve through a flange, and a liquid outlet of the gas release pipe is connected with the stop valve through a flange.
Further, a stop valve is arranged on the vent pipe, a flow regulating valve is arranged on the liquid inlet pipe, and a stop valve is arranged on the liquid outlet pipe.
Further, a high liquid level observation mirror and a low liquid level observation mirror are arranged on the circumferential side wall of the degassing cylinder body at intervals, the high liquid level observation mirror is located at the upper part of the degassing cylinder body, and the low liquid level observation mirror is located at the lower part of the degassing cylinder body.
Further, the high liquid level observation mirror and the low liquid level observation mirror are identical in structure, each observation mirror comprises an observation tube, one end of each observation tube is communicated with the degassing cylinder, an observation glass base and an observation glass gland are sequentially arranged at the other end of each observation tube from inside to outside, and observation glass is installed on each observation glass base.
Further, the detected pipeline is provided with an orifice plate, and the communication points of the two branch pipes of the detected pipeline and the detected pipeline are positioned at two sides of the orifice plate.
According to the gas detection sampling device in the liquid pipeline, the liquid inlet pipe is higher than the liquid outlet pipe, and a certain height is reserved at the tail end of the liquid inlet pipe from the bottom of the cylinder body, so that gas in liquid can be fully separated out; the high liquid level and low liquid level observation mirrors are arranged on the side face of the gas removal cylinder body, so that the liquid level in the cylinder body can be conveniently observed, and the liquid level in the cylinder body is positioned between the high and low observation mirrors when the system is used; the liquid inlet pipe, the liquid outlet pipe, the discharge pipe, the vent pipe and the discharge pipe are provided with stop valves, so that the barrel is convenient to disassemble and inspect, the liquid level in the barrel can be adjusted by controlling the opening degree of the valve of the flow regulating valve of the liquid inlet pipe, and the liquid level in the barrel cannot exceed the tail end of the vent pipe, so that the failure and damage of the gas detection device are prevented; the sampling device is provided with a discharge pipe for evacuating the liquid in the cylinder. The vent pipe is provided with a vent pipe for releasing gas in the cylinder.
The sampling device is required to be arranged at a high point of a pipeline system, and when harmful gas is detected in the cylinder body, after the system is leaked and recovered, a ventilation pipe orifice valve is required to be opened, so that the harmful gas in the cylinder is fully emptied and then is reused, and detection distortion when the system is recovered is avoided.
Drawings
FIG. 1 is a front view of a gas detecting and sampling apparatus in a liquid pipeline according to the present utility model;
FIG. 2 is a view in direction A of FIG. 1;
FIG. 3 is a diagram showing the construction of the apparatus for detecting and sampling gas in a liquid pipeline according to the present utility model.
The device comprises a 1-degassing cylinder body, a 2-degassing cylinder body flange, a 3-reducing flange, a 4-liquid inlet pipe, a 5-liquid outlet pipe, a 6-vent pipe, a 7-discharge pipe, an 8-gas discharge pipe, a 9-gas detection connecting pipe flange, a 10-observation pipe, a 11-observation glass base, a 12-observation glass gland, a 13-gas detection connecting pipe, a 14-liquid inlet pipe flange, a 15-liquid outlet pipe flange, a 16-detected pipeline branch pipe, a 17-detected pipeline, a 18-throttling orifice plate, a 19-stop valve, a 20-flow regulating valve and a 21-gas detector.
Detailed Description
The utility model will be further described with reference to the accompanying drawings and specific examples.
As shown in fig. 1-2, a gas detection sampling device in a liquid pipeline is arranged at a high point of a pipeline system and is higher than a detected pipeline, and the device comprises a degassing cylinder body 1, wherein the upper end face and the lower end face of the degassing cylinder body 1 are of an open structure, a degassing cylinder flange 2 and a reducing flange 3 are sequentially connected from inside to outside on the upper end face and the lower end face, a vent pipe 6 extending towards a direction far away from a degassing cylinder is arranged on the reducing flange 3 and the degassing cylinder flange 2 at the upper end face in a penetrating way, and the inlet end of the vent pipe 6 is communicated with the interior of the degassing cylinder body 1; the gas removal cylinder comprises a gas removal cylinder body 1, wherein a liquid inlet pipe 4 and a liquid outlet pipe 5 are arranged on the circumferential side wall of the gas removal cylinder body 1, the height of the liquid inlet pipe 4 is higher than that of the liquid outlet pipe 5, a liquid inlet of the liquid inlet pipe 4 and a liquid outlet of the liquid outlet pipe 5 are respectively connected with a detected pipeline branch pipe 16 through a liquid inlet pipe flange 14 and a liquid outlet pipe flange 15, the two detected pipeline branch pipes 16 are respectively communicated with a detected pipeline 17, a gas detection sampling device is connected with the detected pipeline 17 in parallel, a throttle orifice 18 is arranged on the detected pipeline 17, and communication points of the two detected pipeline branch pipes 16 and the detected pipeline 17 are positioned on two sides of the throttle orifice 18; the lower end of the vent pipe 6 is positioned in the gas removal cylinder body 1, the air inlet at the lower end is positioned above the liquid outlet of the liquid inlet pipe 4, the outlet end of the vent pipe 6 is connected with the gas detection connecting pipe 13 through the gas detection connecting pipe flange 9, and the other end of the gas detection connecting pipe 13 is connected with the gas detector 21; a reducing flange 3 positioned at the lower end surface is connected with a discharge pipe 7 extending away from the degassing cylinder body 1, and the discharge pipe 7 is communicated with the inside of the degassing cylinder body 1; the circumferential side wall of the vent pipe 6 is provided with a vent hole, the vent hole is connected with a vent pipe 8, the air outlet of the vent pipe 8 is connected with a stop valve 19 through a flange, the liquid outlet of the vent pipe 7 is connected with the stop valve 19 through a flange, the vent pipe 6 is provided with the stop valve 19, the liquid inlet pipe 4 is provided with a flow regulating valve 20, and the liquid outlet pipe 5 is provided with the stop valve 19; a high liquid level observation mirror and a low liquid level observation mirror are arranged on the circumferential side wall of the degassing cylinder body 1 at intervals, the high liquid level observation mirror is positioned at the upper part of the degassing cylinder body 1, and the low liquid level observation mirror is positioned at the lower part of the degassing cylinder body 1; the structure of the high liquid level observation mirror is the same as that of the low liquid level observation mirror, the high liquid level observation mirror comprises an observation tube 10, one end of the observation tube 10 is communicated with the degassing cylinder body 1, an observation glass base 11 and an observation glass gland 12 are sequentially arranged at the other end of the observation tube 10 from inside to outside, and observation glass is installed on the observation glass base 11.
Those of ordinary skill in the art will appreciate that: the foregoing description of the embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (7)
1. The device is characterized by comprising a degassing cylinder body, wherein the upper end face and the lower end face of the degassing cylinder body are of an open structure, a degassing cylinder flange and a reducing flange are sequentially connected from inside to outside on the upper end face and the lower end face, a vent pipe extending towards the direction far away from the degassing cylinder body is arranged on the reducing flange and the degassing cylinder body flange at the upper end face in a penetrating way, the inlet end of the vent pipe is communicated with the inside of the degassing cylinder body, the outlet end of the vent pipe is connected with one end of a gas detection connecting pipe through a gas detection connecting pipe flange, and the other end of the gas detection connecting pipe is connected with a gas detector; a reducing flange positioned at the lower end face is connected with a discharge pipe extending away from the degassing cylinder body, and the discharge pipe is communicated with the inside of the degassing cylinder body; the gas removal cylinder is characterized in that a liquid inlet pipe and a liquid outlet pipe are arranged on the circumferential side wall of the gas removal cylinder body, the height of the liquid inlet pipe is higher than that of the liquid outlet pipe, a detected pipeline branch pipe is connected with the liquid outlet port of the liquid inlet pipe and the liquid outlet port of the liquid outlet pipe through a liquid inlet pipe flange and a liquid outlet pipe flange respectively, the two detected pipeline branch pipes are communicated with detected pipelines respectively, and the gas detection sampling device is connected with the detected pipelines in parallel.
2. The device of claim 1, wherein the lower end of the gas permeable tube is positioned inside the gas removal tube body, and the lower end gas inlet is positioned above the liquid outlet of the liquid inlet tube.
3. The device for detecting and sampling gas in a liquid pipeline according to claim 1, wherein a gas discharge port is formed in the circumferential side wall of the gas permeable pipe, the gas discharge port is connected with a gas discharge pipe, a gas outlet of the gas discharge pipe is connected with a stop valve through a flange, and a liquid outlet of the gas discharge pipe is connected with the stop valve through a flange.
4. A gas detecting and sampling device in a liquid pipeline according to claim 3, wherein a stop valve is arranged on the gas permeability pipe, a flow regulating valve is arranged on the liquid inlet pipe, and a stop valve is arranged on the liquid outlet pipe.
5. The device for detecting and sampling gas in a liquid pipeline according to claim 1, wherein a high liquid level observation mirror and a low liquid level observation mirror are arranged on the circumferential side wall of the degassing cylinder body at intervals, the high liquid level observation mirror is positioned at the upper part of the degassing cylinder body, and the low liquid level observation mirror is positioned at the lower part of the degassing cylinder body.
6. The device for detecting and sampling gas in a liquid pipeline according to claim 5, wherein the high liquid level observation mirror and the low liquid level observation mirror have the same structure and comprise observation pipes, one ends of the observation pipes are communicated with the degassing cylinder, an observation glass base and an observation glass gland are sequentially arranged at the other ends of the observation pipes from inside to outside, and observation glass is installed on the observation glass base.
7. The device for detecting and sampling gas in a liquid pipeline according to claim 1, wherein the detected pipeline is provided with a throttle plate, and the communication points of the two branch pipes of the detected pipeline and the detected pipeline are positioned at two sides of the throttle plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320477329.1U CN219319869U (en) | 2023-03-13 | 2023-03-13 | Gas detection sampling device in liquid pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320477329.1U CN219319869U (en) | 2023-03-13 | 2023-03-13 | Gas detection sampling device in liquid pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219319869U true CN219319869U (en) | 2023-07-07 |
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ID=87030082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320477329.1U Active CN219319869U (en) | 2023-03-13 | 2023-03-13 | Gas detection sampling device in liquid pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219319869U (en) |
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2023
- 2023-03-13 CN CN202320477329.1U patent/CN219319869U/en active Active
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