CN216926751U - Oxygen content analysis device and flash evaporation equipment - Google Patents
Oxygen content analysis device and flash evaporation equipment Download PDFInfo
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- CN216926751U CN216926751U CN202220206223.3U CN202220206223U CN216926751U CN 216926751 U CN216926751 U CN 216926751U CN 202220206223 U CN202220206223 U CN 202220206223U CN 216926751 U CN216926751 U CN 216926751U
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Abstract
The utility model discloses an oxygen content analysis device and flash evaporation equipment, wherein the oxygen content analysis device comprises: the gas-liquid separator and the air pump are connected with the gas-liquid separator; the gas-liquid separator comprises a detection pipeline, wherein one end of the detection pipeline is connected with the air pump, the other end of the detection pipeline is connected with the air exhaust end of the gas-liquid separator, the detection pipeline is provided with a filter for filtering gas and an oxygen-containing sensor for detecting the oxygen content of the gas, and the filter is positioned behind the oxygen-containing sensor in the flowing direction of the gas. The oxygen sensor with the structure reduces impurities and moisture in gas by arranging the gas-liquid separator and the filter, so that the detection error of the oxygen content is effectively reduced, and the detection precision of the oxygen content is improved. This flash distillation equipment includes foretell oxygen content analytical equipment, and this flash distillation equipment passes through the oxygen content of check out test set exhaust gas, when the oxygen content reaches the early warning value, makes things convenient for people in time to inspect and repair equipment to guarantee flash distillation equipment's safe operation.
Description
Technical Field
The utility model relates to the technical field of oxygen content detection, in particular to an oxygen content analysis device and flash evaporation equipment.
Background
The crude oil flash evaporation equipment improves the flash point of the self-produced crude oil of the ocean platform to be above 60 ℃ by the principle of vacuum evaporation so as to meet the requirement of safe oil consumption of the generator. However, when the flash evaporation equipment operates in a vacuum state, pipelines, valves and a tank body of the flash evaporation equipment are used for a period of time, sealing leakage may exist, oxygen in the atmosphere can enter the flash evaporation equipment to contact with crude oil, and when certain oxygen-containing concentration is reached, the risk of explosion exists.
Therefore, the oxygen content monitoring is carried out by discharging the gas outside the flash evaporation equipment, but the gas to be detected contains a large amount of impurities and moisture, and the existing detection device is easy to generate errors due to the existence of the impurities and the moisture when detecting the oxygen content, and is relatively low in precision.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides an oxygen content analysis device, which reduces impurities and moisture in gas by arranging a gas-liquid separator and a filter, further effectively reduces detection errors of the oxygen content and improves detection precision of the oxygen content.
The utility model also discloses a flash evaporation device, which is convenient for people to check and repair the device in time by detecting the oxygen content of the gas discharged by the device when the oxygen content reaches the early warning value, so as to ensure the safe operation of the crude oil flash evaporation device.
An apparatus for analyzing an amount of oxygen according to an embodiment of a first aspect of the present invention includes: the gas-liquid separator is used for carrying out gas-liquid separation on the gas discharged by the flash evaporation equipment; the air suction pump is connected with the gas-liquid separator to suck the separated gas; the gas-liquid separator comprises a gas extraction pump, a gas liquid separator, a detection pipeline, a filter and an oxygen-containing sensor, wherein one end of the detection pipeline is connected with the gas extraction pump, the other end of the detection pipeline is connected with the exhaust end of the gas liquid separator, the detection pipeline is provided with the filter for filtering gas and the oxygen-containing sensor for detecting the oxygen content of the gas, and the filter is located behind the oxygen-containing sensor in the flowing direction of the gas.
According to the embodiment of the utility model, at least the following beneficial effects are achieved: when the gas-liquid separation device is used, gas discharged from the flash evaporation equipment is subjected to gas-liquid separation through the gas-liquid separator, a part of gas is extracted by the air extracting pump and introduced into the filtering pipeline, the gas is filtered to remove impurities and moisture through the filter, then the filtered gas is subjected to oxygen content detection through the oxygen-containing sensor, and after the value is stable, the detection result can be obtained. The gas-liquid separator realizes coarse filtration to remove partial moisture in the gas, the workload of the filter is effectively reduced, the filter performs secondary filtration on the gas, impurities and moisture in the gas are greatly reduced, the detection error of the oxygen content is effectively reduced, and the detection precision of the oxygen content is improved.
In some embodiments of the present invention, a drying pipeline is disposed between the output end of the air pump and the exhaust end, and both the drying pipeline and the detection pipeline are provided with valve bodies capable of independently controlling the on-off of gas or liquid.
In some embodiments of the utility model, the valve body comprises a regulating valve for regulating the flow of the gas or liquid, and the detection line is provided with a flow meter for observing the change in the flow of the gas.
In some embodiments of the utility model, the dry pipe is provided with a transparent observation window for observing whether liquid water in the pipe exists or not.
In some embodiments of the utility model, the detection line is provided with a one-way valve, which is located in front of the oxygen sensor in the flow direction of the gas.
In some embodiments of the utility model, the filter comprises a desiccant bottle for adsorbing moisture.
In some embodiments of the utility model, a gas purifier is connected in front of the exhaust end in the flow direction of the gas.
In some embodiments of the present invention, the oxygen sensor is electrically connected to a control module, the control module is electrically connected to an alarm prompt module, and the alarm prompt module is configured to display a change in the oxygen content and send a response prompt according to different situations.
The utility model also discloses flash evaporation equipment which comprises the oxygen content analysis device in any technical scheme. Through the oxygen content of the exhaust gas of the detection equipment, when the oxygen content reaches an early warning value, people can conveniently check and repair the equipment in time, so that the safe operation of the crude oil flash evaporation equipment is ensured.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of an embodiment of an oxygen content analyzer according to the present invention.
In the figure: the system comprises a flash evaporation device 100, a suction pump 200, a pneumatic valve 210, a regulating valve 220, a filter 230, a flow meter 240, an oxygen sensor 250, a one-way valve 260 and a gas-liquid separator 300.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the positional or orientational descriptions referred to, for example, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., are based on the positional or orientational relationships shown in the drawings and are for convenience of description and simplicity of description only, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, an oxygen content analyzing apparatus includes: a gas-liquid separator 300, the gas-liquid separator 300 being configured to perform gas-liquid separation on the gas discharged from the flash apparatus 100; the air pump 200, the air pump 200 connects the gas-liquid separator 300 in order to extract the gas after separating; and one end of the detection pipeline is connected with the air pump 200, the other end of the detection pipeline is connected with the exhaust end of the gas-liquid separator 300, the detection pipeline is provided with a filter 230 for filtering gas and an oxygen-containing sensor 250 for detecting the oxygen content of the gas, and the filter 230 is positioned behind the oxygen-containing sensor 250 in the flowing direction of the gas.
When the oxygen content analysis device with the structure is used, gas discharged from the flash evaporation equipment 100 is subjected to gas-liquid separation through the gas-liquid separator 300, part of the gas is extracted by the air pump 200 and is introduced into the filtering pipeline, the gas is filtered to remove impurities and moisture through the filter 230, then the filtered gas is subjected to oxygen content detection through the oxygen-containing sensor 250, and a detection result can be obtained after the value is stable. The gas-liquid separator 300 achieves coarse filtration to remove part of moisture in the gas, so that the workload of the filter 230 is effectively reduced, the filter 230 performs secondary filtration on the gas, impurities and moisture in the gas are greatly reduced, the detection error of the oxygen content is effectively reduced, and the detection precision of the oxygen content is improved.
Referring to fig. 1, in some embodiments of the present invention, a drying pipeline is disposed between the output end and the exhaust end of the air pump 200, and both the drying pipeline and the detection pipeline are provided with valve bodies capable of independently controlling the on-off of gas or liquid. After the air pump 200 does not work, the residual gas can be condensed into liquid in the pipeline connected with the air pump 200, so the condensate can be removed firstly by adding the drying pipeline, the effect of drying the pipeline connected with the air pump 200 is achieved, the influence of the condensate on the subsequent oxygen content detection is further reduced, and the workload of the filter 230 is also reduced. Specifically, through carrying out step control to the valve body that sets up on dry pipeline and filtering line, dry pipeline works alone earlier promptly, constantly extracts gas through aspiration pump 200, and the gas that constantly carries of source drives condensate discharge line, opens filtering line afterwards again. The drying pipeline and the filtering pipeline can be mutually converged and connected with the gas-liquid separator 300, condensate discharged by the drying pipeline can be discharged through the pressure difference inside the gas-liquid separator 300, the pipeline arrangement is effectively reduced, and the cost is reduced. It will be appreciated that the pressure at the inlet of the gas-liquid separator 300 is always greater than the pressure at the outlet, and the drying circuit can utilize the pressure difference between the two to prevent the condensate from flowing back to the air pump 200.
Referring to fig. 1, in some embodiments of the present invention, the valve body includes a regulating valve 220, the regulating valve 220 is used for regulating the flow rate of gas or liquid, and the detection line is provided with a flow meter 240 for observing the change in the flow rate of gas. The regulating valve 220 can control the flow of gas or liquid in different pipelines, thereby realizing the on-off of the pipelines and facilitating the regulation of the air pressure in the pipelines so as to ensure that the air pressure in the pipelines is kept stable. In some embodiments, the valve body may be further added with a pneumatic valve 210 for directly controlling the on/off of the gas or liquid in the pipeline.
In some embodiments of the utility model, in order to facilitate daily use by people, the drying pipeline is provided with a transparent observation window for observing whether liquid water exists in the pipeline or not.
Referring to fig. 1, in some embodiments of the present invention, the detection line is provided with a check valve 260, and the check valve 260 is located in front of the oxygen sensor 250 in the flow direction of the gas. The check valve 260 allows the gas to flow in a single direction, preventing the gas from flowing in a reverse direction and affecting the oxygen content analysis. In addition, the check valve 260 can be used for preventing condensate of the drying pipeline from flowing back into the detection pipeline, so that the influence of the condensate on the oxygen-containing sensor is reduced.
Referring to fig. 1, in some embodiments of the utility model, the filter 230 comprises a drying bottle for adsorbing moisture. Particularly, the drying bottle can be the silica gel drying bottle that discolours of physisorption dewatering, can not take place the reaction with gas or moisture, can take place to discolour after the silica gel drier that discolours moreover has adsorbed sufficient moisture, and the suggestion staff changes, avoids the drier inefficacy back, influences the effect of dewatering.
In some embodiments of the present invention, a gas purifier is connected in front of the exhaust end in the flow direction of the gas. The gas purifier is used for treating harmful substances in gas and reducing environmental pollution. Certainly, the gas purifier can also be connected with a gas storage tank for collecting purified gas, so that the gas can be conveniently recycled. It is understood that the gas purifier may employ a prior art air purifier.
In some embodiments of the present invention, the oxygen sensor 250 is electrically connected to a control module, and the control module is electrically connected to an alarm prompt module, and the alarm prompt module is configured to display a change of the oxygen content and send a response prompt according to different situations. Specifically, the control module can adopt a PLC control module, and the alarm prompt module can comprise a display screen for displaying the oxygen content value and a buzzer for sending out an alarm signal. When the oxygen content exceeds the preset value, the PLC control module receives the signal and controls the buzzer to generate a prompt tone, so that people can be prompted to shut down and maintain the equipment.
The utility model also discloses flash evaporation equipment 100 which comprises the oxygen content analysis device in any technical scheme. This flash distillation equipment 100 is through the oxygen content of check out test set exhaust gas, when the oxygen content reached the early warning value, makes things convenient for people in time to inspect and repair equipment to guarantee crude oil flash distillation equipment 100's safe operation.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (9)
1. An apparatus for analyzing an amount of oxygen, comprising:
a gas-liquid separator (300), the gas-liquid separator (300) being used for gas-liquid separation of the gas discharged from the flash apparatus (110);
the air suction pump (200), the air suction pump (200) is connected with the gas-liquid separator (300) to extract the separated gas;
the gas-liquid separator comprises a detection pipeline, one end of the detection pipeline is connected with the air pump, the other end of the detection pipeline is connected with the exhaust end of the gas-liquid separator (300), the detection pipeline is provided with a filter (230) used for filtering gas and an oxygen-containing sensor (250) used for detecting the oxygen content of the gas, and the filter (230) is located behind the oxygen-containing sensor (250) in the flowing direction of the gas.
2. The apparatus for analyzing an amount of oxygen according to claim 1, wherein:
and a drying pipeline is arranged between the output end of the air pump (200) and the exhaust end, and the drying pipeline and the detection pipeline are both provided with valve bodies which can independently control the on-off of gas or liquid.
3. The apparatus for analyzing an amount of oxygen according to claim 2, wherein:
the valve body comprises an adjusting valve (220), the adjusting valve (220) is used for adjusting the flow of gas or liquid, and the detection pipeline is provided with a flow meter (240) used for observing the flow change of the gas.
4. The apparatus for analyzing an amount of oxygen according to claim 2, wherein:
the drying pipeline is provided with a transparent observation window which is used for observing whether liquid water in the pipeline exists or not.
5. The apparatus for analyzing an amount of oxygen contained in an oxygen-containing gas according to claim 1, wherein:
the detection pipeline is provided with a one-way valve (260), and the one-way valve (260) is positioned in front of the oxygen sensor (250) in the flowing direction of the gas.
6. The apparatus for analyzing an amount of oxygen according to claim 1, wherein:
the filter (230) includes a drying bottle for adsorbing moisture.
7. The apparatus for analyzing an amount of oxygen according to claim 1, wherein:
and a gas purifier is connected in front of the exhaust end in the flowing direction of the gas.
8. The apparatus for analyzing an amount of oxygen according to claim 1, wherein:
the oxygen sensor (250) is electrically connected with a control module, the control module is electrically connected with an alarm prompt module, and the alarm prompt module is used for displaying the change of the oxygen content and sending out response prompts according to different conditions.
9. A flash evaporation apparatus characterized by comprising an oxygen content analyzing apparatus as claimed in any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220206223.3U CN216926751U (en) | 2022-01-25 | 2022-01-25 | Oxygen content analysis device and flash evaporation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220206223.3U CN216926751U (en) | 2022-01-25 | 2022-01-25 | Oxygen content analysis device and flash evaporation equipment |
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| Publication Number | Publication Date |
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| CN216926751U true CN216926751U (en) | 2022-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220206223.3U Active CN216926751U (en) | 2022-01-25 | 2022-01-25 | Oxygen content analysis device and flash evaporation equipment |
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| CN (1) | CN216926751U (en) |
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