CN221351458U - Carbon dioxide on-line analysis device - Google Patents
Carbon dioxide on-line analysis device Download PDFInfo
- Publication number
- CN221351458U CN221351458U CN202323345110.5U CN202323345110U CN221351458U CN 221351458 U CN221351458 U CN 221351458U CN 202323345110 U CN202323345110 U CN 202323345110U CN 221351458 U CN221351458 U CN 221351458U
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- China
- Prior art keywords
- filter
- carbon dioxide
- flowmeter
- outlet
- outlet end
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 88
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 44
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 44
- 238000004458 analytical method Methods 0.000 title claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 230000001105 regulatory effect Effects 0.000 claims abstract description 23
- 238000005406 washing Methods 0.000 claims abstract description 16
- 238000005070 sampling Methods 0.000 claims description 27
- 239000007788 liquid Substances 0.000 claims description 16
- 238000011084 recovery Methods 0.000 claims description 13
- 230000000007 visual effect Effects 0.000 claims description 6
- 239000012535 impurity Substances 0.000 abstract description 10
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 56
- 238000005516 engineering process Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004868 gas analysis Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 230000009919 sequestration Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model provides a carbon dioxide online analysis device which comprises a cabinet body, wherein a filter, an oil-water separator, a pressure regulating valve, a gas washing tank, a dryer, a flowmeter and a carbon dioxide analyzer are arranged in the cabinet body, and the filter, the oil-water separator, the pressure regulating valve, the gas washing tank, the dryer, the flowmeter and the carbon dioxide analyzer are sequentially communicated through pipelines. The collected oil-containing, water-containing and impurity-containing gas is changed into clean, dry, anhydrous and oil-free gas after being treated, so that the manual operation is less, the maintenance amount is low, and the service life of the detection instrument is prolonged.
Description
Technical Field
The utility model relates to the technical field of gas analysis in petrochemical explosion-proof environments, in particular to a carbon dioxide online analysis device.
Background
CCUS is carbon dioxide capture sequestration and enhanced recovery technology. The technology is used for capturing industrial carbon dioxide and then injecting the captured industrial carbon dioxide into underground oil displacement, so that the efficient burying of the carbon dioxide is realized, the carbon emission reduction is realized, the recovery ratio of a low-permeability oil field is improved, and the technology is a green development technology which is parallel to the burying of the oil displacement and has the advantages of environmental protection and great benefit.
The existing content analysis device for the co2 in the natural gas on the market only carries out simple filtration and drying treatment on the collected gas, can not be effectively applied to the online analysis of the carbon dioxide of the natural gas in the oil field, and a series of problems of instrument pollution, damage, short service life and the like are easily caused due to insufficient treatment.
Disclosure of utility model
The utility model aims to overcome the defects of the prior art, and provides an online carbon dioxide analysis device which is used for carrying out high-quality treatment on analysis of severe working conditions of oil field collected gas.
In order to achieve the above purpose, the present utility model proposes the following technical scheme: the utility model provides a carbon dioxide on-line analysis device, includes the cabinet body, internal filter, oil water separator, pressure regulating valve, gas wash tank, desicator, flowmeter, the carbon dioxide analysis appearance of being provided with of cabinet, filter, oil water separator, pressure regulating valve, gas wash tank, desicator, flowmeter, carbon dioxide analysis appearance pass through the pipeline and communicate in proper order.
The bottom of the cabinet body is provided with a sampling port and a water outlet, the sampling port and the water outlet are communicated with the outer side of the cabinet body, the filter comprises a first filter and a second filter, the inlet end of the first filter is connected with the sampling port, the outlet end of the first filter is respectively connected with the water outlet and the second filter, the inlet end of the second filter is connected with the first filter, the outlet end of the second filter is respectively connected with an oil-water separator and a pressure regulating valve, the inlet end of the pressure regulating valve is connected with the second filter, the outlet end of the pressure regulating valve is connected with a gas washing tank, the utility model discloses a carbon dioxide analyzer, including the gas wash jar, the gas wash jar is connected to the exit end, outlet port, desicator are connected respectively to the exit end, calibration mouth, flowmeter are connected respectively to the entrance end of desicator, the flowmeter includes sampling flowmeter, blowdown flowmeter, the desicator is connected to the entrance end of sampling flowmeter, and the carbon dioxide analyzer is connected to the exit end, the desicator is connected to blowdown flowmeter entrance end, and the first tail gas recovery mouth is connected to the exit end, the second tail gas recovery mouth is connected to the exit end of carbon dioxide analyzer.
The inlet end of the first filter is connected with a sampling valve, one of the outlet ends of the first filter, the oil-water separator and the gas washing tank is connected with a liquid discharge valve, and the outlet end of the liquid discharge valve is connected with the water outlet.
The number of the dryers is 2, the outlet ends of the dryers are connected with three-way ball valves, and the outlet ends of the three-way ball valves are respectively connected with a flowmeter and a calibration port.
The output end of the carbon dioxide analyzer is connected with an audible-visual annunciator, and the audible-visual annunciator is fixed at the side end of the cabinet body.
The carbon dioxide on-line analysis device obtained through the technical scheme has the beneficial effects that:
the filter, the oil-water separator and the gas washing tank are all connected with the water outlet, and can be matched with the liquid discharging valve to discharge liquid to the equipment in real time, so that a large amount of liquid is prevented from entering the next stage to pollute the instrument.
The collected oil-containing, water-containing and impurity-containing gas is changed into clean, dry, anhydrous and oil-free gas after being treated, so that the manual operation is less, the maintenance amount is low, and the service life of the detection instrument is prolonged.
Drawings
FIG. 1 is a schematic diagram of an on-line carbon dioxide analysis device according to the present utility model;
FIG. 2 is a flow chart of the carbon dioxide on-line analysis device according to the present utility model.
In the figure, 1, a cabinet body; 2. a filter; 3. an oil-water separator; 4. a pressure regulating valve; 5. a gas washing tank; 6. a dryer; 7. a flow meter; 8. a carbon dioxide analyzer; 9. a sampling port; 10. a water outlet; 11. calibrating a port; 12. a sampling valve; 13. a liquid discharge valve; 14. three-way ball valve; 15. an audible and visual alarm; 16. a first tail gas recovery port; 17. a second tail gas recovery port; 21. a first filter; 22. a second filter; 71. a sampling flow meter; 72. and (3) emptying the flowmeter.
Detailed Description
The utility model is further described in conjunction with the drawings and examples so that the advantages and features of the utility model will be more readily understood by those skilled in the art. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
As shown in the figure, the utility model provides a carbon dioxide online analysis device, which comprises a cabinet body 1, wherein a filter 2, an oil-water separator 3, a pressure regulating valve 4, a gas washing tank 5, a dryer 6, a flowmeter 7 and a carbon dioxide analyzer 8 are arranged in the cabinet body 1, and the filter 2, the oil-water separator 3, the pressure regulating valve 4, the gas washing tank 5, the dryer 6, the flowmeter 7 and the carbon dioxide analyzer 8 are sequentially communicated through pipelines.
The bottom of the cabinet body 1 is provided with a sampling port 9 and a water outlet 10, the sampling port 9 and the water outlet 10 are communicated with the outer side of the cabinet body 1, the filter 2 comprises a first filter 21 and a second filter 22, the inlet end of the first filter 21 is connected with the sampling port 9, the outlet end is respectively connected with the water outlet 10 and the second filter 22, the inlet end of the second filter 22 is connected with the first filter 21, the outlet end is respectively connected with the oil-water separator 3 and the pressure regulating valve 4, as the petroleum associated gas contains a large amount of grease and impurities, the filter 2 is a precise filter (a glass fiber filter core with 10um in the inside) for filtering a large amount of particulate matters and impurities, the first filter 21 is used for primarily filtering the particulate impurities and timely discharging liquid in the first filter 21, the second filter 22 is used for further filtering the particulate impurities, the oil-water separator 3 is used for separating oil contained in impurity liquid, the impurity liquid is conveniently discharged out of a pipeline through a water outlet after deoiling, the inlet end of the pressure regulating valve 4 is connected with the second filter 22, the outlet end is connected with the gas washing tank 5, the sampling difficulty is high due to overlarge pressure in petroleum gas sampling, the stainless steel pressure regulating valve (0-1 mpa) is configured, the pressure in the pipeline can be timely regulated, the inlet end of the gas washing tank 5 is connected with the pressure regulating valve 4, the outlet end is respectively connected with the water outlet 10 and the dryer 6, the inlet end of the dryer 6 is connected with the gas washing tank 5, the outlet end is respectively connected with the calibration port 11 and the flowmeter 7, the flowmeter 7 comprises a sampling flowmeter 71 and a venting flowmeter 72, the inlet end of the sampling flowmeter 71 is connected with the dryer 6, and the outlet end is connected with the carbon dioxide analyzer 8, the inlet end of the emptying flowmeter 72 is connected with the dryer 6, the outlet end of the emptying flowmeter is connected with the first tail gas recovery port 16, the outlet end of the carbon dioxide analyzer 8 is connected with the second tail gas recovery port 17, the sampling flowmeter 71 is used for controlling the flow rate of the gas to be detected into the carbon dioxide analyzer 8, and redundant gas is discharged from the first tail gas recovery port 16 after passing through the emptying flowmeter 72.
The inlet end of the first filter 21 is connected with a sampling valve 12, the sampling valve 12 controls the circulation of gas to be tested in a pipeline, one of the outlet ends of the first filter 21, the oil-water separator 3 and the gas washing tank 5 is connected with a liquid discharge valve 13, the outlet end of the liquid discharge valve 13 is connected with the water outlet 10, the liquid discharge valve 13 controls the liquid in the corresponding first filter 21, the oil-water separator 3 and the gas washing tank 5 to be discharged, and a large amount of liquid contained in the gas to be tested is prevented from entering a next-stage instrument, so that pollution is caused to equipment.
The number of the dryers 8 is 2, redundant moisture in the sample gas is sufficiently dried through two drying filters 8, the gas fed into the carbon dioxide analyzer 8 is guaranteed to be dry, the outlet end of the dryer 6 is connected with a three-way ball valve 14, and the outlet end of the three-way ball valve 14 is respectively connected with a flowmeter 7 and a calibration port 11. The gas to be measured respectively enters the calibration port 11, the sampling flowmeter 71 and the emptying flowmeter 72 through the three-way ball valve 14, the gas flowing out of the calibration port 11 is collected by calibration equipment to provide standard zero gas and range gas, the three-way ball valve 14 is used for switching the gas to be measured, the standard gas and the zero gas, if the detection precision of the instrument deviates after the instrument is used for a period of time, the three-way ball valve 14 is switched to the calibration port to enable the calibration port to be communicated with the flowmeter 7, the range gas and the zero gas are introduced at the moment, the standard zero gas and the range gas are used for respectively carrying out zero calibration and range calibration, the deviation is corrected, and finally the gas flowing through the carbon dioxide analyzer 8 and the gas flowing through the emptying flowmeter 72 are discharged through the first tail gas recovery port 16 and the second tail gas recovery port 17.
The output end of the carbon dioxide analyzer 8 is connected with an audible and visual alarm 15, and the audible and visual alarm 15 is fixed at the side end of the cabinet body 1. The audible and visual alarm 15 is used for monitoring the gas condition in the carbon dioxide analyzer 8 and alarming the dangerous condition to remind the staff to debug the equipment.
When the device is used, the sampling valve 12 is opened, gas to be detected enters through the sampling port 9, the pressure in the pipeline is regulated through the pressure regulating valve 4, the gas to be detected firstly flows through the filter 2 to filter a large amount of particulate matters and impurities, then flows through the oil-water separator 3 to separate oil contained in the gas, then flows through the gas washing tank 5 to wash out other impurity gases, then flows through the dryer 8 to dry redundant moisture in the gas to be detected, so that clean, dry, anhydrous and oil-free gas is obtained, and finally flows through the sampling flowmeter 71 to enter the carbon dioxide analyzer 8 for online analysis.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "configured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
The above technical solution only represents the preferred technical solution of the present utility model, and some changes that may be made by those skilled in the art to some parts of the technical solution represent the principles of the present utility model, and the technical solution falls within the scope of the present utility model.
Claims (5)
1. The utility model provides a carbon dioxide on-line analysis device, includes the cabinet body (1), its characterized in that, be provided with filter (2), oil water separator (3), pressure regulating valve (4), gas wash tank (5), desicator (6), flowmeter (7), carbon dioxide analysis appearance in the cabinet body (1), filter (2), oil water separator (3), pressure regulating valve (4), gas wash tank (5), desicator (6), flowmeter (7), carbon dioxide analysis appearance are through pipeline intercommunication in proper order.
2. The on-line carbon dioxide analysis device according to claim 1, wherein the bottom of the cabinet body (1) is provided with a sampling port (9) and a water outlet (10), the sampling port (9) and the water outlet (10) are communicated with the outer side of the cabinet body (1), the filter (2) comprises a first filter (21) and a second filter (22), the inlet end of the first filter (21) is connected with the sampling port (9), the outlet end is respectively connected with the water outlet (10) and the second filter (22), the inlet end of the second filter (22) is connected with the first filter (21), the outlet end is respectively connected with the oil-water separator (3) and the pressure regulating valve (4), the inlet end of the pressure regulating valve (4) is connected with the second filter (22), the outlet end of the pressure regulating valve (5) is connected with the pressure regulating valve (4), the outlet end is respectively connected with the water outlet (10) and the dryer (6), the inlet end of the dryer (6) is connected with the air washing tank (5), the outlet end is respectively connected with the calibration port (11) and the flowmeter (7), the outlet end of the dryer (6) is connected with the flowmeter (71), the outlet end is connected with a carbon dioxide analyzer, the inlet end of the emptying flowmeter (72) is connected with the dryer (6), the outlet end is connected with the first tail gas recovery port (16), and the outlet end of the carbon dioxide analyzer is connected with the second tail gas recovery port (17).
3. The carbon dioxide on-line analysis device according to claim 2, wherein the inlet end of the first filter (21) is connected with a sampling valve (12), one of the outlet ends of the first filter (21), the oil-water separator (3) and the gas washing tank (5) is connected with a liquid discharge valve (13), and the outlet end of the liquid discharge valve (13) is connected with the water outlet (10).
4. The carbon dioxide on-line analysis device according to claim 2, wherein the number of the dryers is 2, the outlet end of the dryer (6) is connected with a three-way ball valve (14), and the outlet end of the three-way ball valve (14) is respectively connected with a flowmeter (7) and a calibration port (11).
5. The carbon dioxide on-line analysis device according to claim 1, wherein an output end of the carbon dioxide analyzer is connected with an audible and visual alarm (15), and the audible and visual alarm (15) is fixed at a side end of the cabinet body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323345110.5U CN221351458U (en) | 2023-12-08 | 2023-12-08 | Carbon dioxide on-line analysis device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323345110.5U CN221351458U (en) | 2023-12-08 | 2023-12-08 | Carbon dioxide on-line analysis device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221351458U true CN221351458U (en) | 2024-07-16 |
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ID=91834774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323345110.5U Active CN221351458U (en) | 2023-12-08 | 2023-12-08 | Carbon dioxide on-line analysis device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221351458U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119756998A (en) * | 2025-03-06 | 2025-04-04 | 延安大学 | A CO2 oil recovery output gas detection device and method |
-
2023
- 2023-12-08 CN CN202323345110.5U patent/CN221351458U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119756998A (en) * | 2025-03-06 | 2025-04-04 | 延安大学 | A CO2 oil recovery output gas detection device and method |
| CN119756998B (en) * | 2025-03-06 | 2025-08-19 | 延安大学 | CO (carbon monoxide)2Device and method for detecting oil displacement exploitation produced gas |
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