CN218671642U - Closed displacement device for two-phase metering - Google Patents
Closed displacement device for two-phase metering Download PDFInfo
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- CN218671642U CN218671642U CN202222606775.6U CN202222606775U CN218671642U CN 218671642 U CN218671642 U CN 218671642U CN 202222606775 U CN202222606775 U CN 202222606775U CN 218671642 U CN218671642 U CN 218671642U
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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
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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Abstract
The utility model relates to a closed replacement device for two-phase metering, which comprises a metering body, an inlet flange and an outlet flange which are respectively arranged at the two ends of the metering body, and a first valve and a second valve which are respectively communicated with the inlet flange and the outlet flange, wherein the lower end of the metering body is provided with an adjustable water injection structure, and the upper end of the metering body is provided with an emptying detection mechanism; the lower end of the metering body is provided with a hand-operated water injection pump and a water tank communicated with the hand-operated water injection pump, so that the damage of the instrument caused by the fact that gas presses water into the metering instrument due to excessive water injection in the metering body is avoided; the upper end of measurement body is equipped with evacuation detection mechanism, in time detects and knows whether the gas evacuation in the measurement body, raises the efficiency.
Description
Technical Field
The utility model belongs to the technical field of airtight replacement device technique and specifically relates to an airtight replacement device for double-phase measurement.
Background
The metering standard process flow pipe fittings of the natural gas are various in types, factors influencing results are complex, the influence on the metering performance of a metering standard device is often gradually shown after production operation, and the rectifying and modifying difficulty is very high. Therefore, the process flow of the flow measurement standard device is scientifically optimized at the initial stage of construction, and the accuracy of the device can be effectively improved.
Before gas metering, the metering device needs to be replaced, the air in the metering device is exhausted, and explosion caused by mixing of natural gas and air is avoided.
The natural gas metering mode that adopts on the oil gas field at present is, get the gas of a certain transport pipe section, through control governing valve, with gaseous leading-in have water filling port and delivery port among the metering device. What the water filling port adopted is the mode of funnel water injection, what the delivery port was placed is the receiver of a receiving water, and this kind of structure arouses the water injection too much very easily to lead to when opening the admission valve, the gas can be with water pressure in the middle of the metering device, cause the damage of instrument, and whether the air of this kind of structure can't judge the inside is totally clean.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, the present invention provides an airtight replacement device for two-phase metering.
In order to achieve the above purpose, the utility model discloses a realize through following technical scheme:
the utility model provides an airtight replacement device for double-phase measurement, includes the measurement body, install respectively the import flange and the export flange at measurement body both ends, respectively with the import flange with first valve and the second valve of export flange intercommunication, the lower extreme of measurement body is equipped with hand formula water injection pump and rather than the water tank of intercommunication, the upper end of measurement body is equipped with evacuation detection mechanism.
Further, the water tank, hand formula water injection pump, the measurement body loops through first pipeline intercommunication, hand formula water injection pump with between the measurement body first pipeline is equipped with the third valve.
Further, the emptying detection mechanism comprises a gas-liquid separator communicated with the metering body and an alarm whistle arranged at a gas outlet of the gas-liquid separator.
Furthermore, a liquid level meter is externally connected to the gas-liquid separator.
Furthermore, the gas-liquid separator is communicated with the metering body through a second pipeline, and a fourth valve is arranged on the second pipeline.
The utility model has the advantages that: the lower end of the metering body is provided with a hand-operated water injection pump and a water tank communicated with the hand-operated water injection pump, and water injected into the metering body is regulated through the hand-operated water injection pump, so that the damage of the instrument caused by the fact that gas presses water into the metering instrument due to excessive water injection in the metering body is avoided; the upper end of measurement body is equipped with evacuation detection mechanism, in time detects and knows whether the gas evacuation in the measurement body, raises the efficiency.
Drawings
Fig. 1 is a schematic structural view of the present invention;
in the figure: 1. a metering body; 2. an inlet flange; 3. an outlet flange; 4. a first valve; 5. a second valve; 6. a hand-operated water injection pump; 7. a water tank; 8. a gas-liquid separator; 9. a whistle is reported; 10. a liquid level meter; 11. a third valve; 12. and a fourth valve.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the objects of the present invention, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
As shown in fig. 1, a closed displacement device for two-phase metering comprises a metering body 1, an inlet flange 2 and an outlet flange 3 respectively arranged at two ends of the metering body 1, and a first valve 4 and a second valve 5 respectively communicated with the inlet flange 2 and the outlet flange 3, wherein the sealing connection of the flanges and the metering body 1, the connection of the valves and the flanges are all the prior art, and the pressure gauge, the flow meter and the like arranged in the metering body 1 are all the prior art, which is not needless to say; the lower end of the metering body 1 is provided with a hand-operated water injection pump 6 and a water tank 7 communicated with the hand-operated water injection pump 6, and water injected into the metering body 1 is regulated by the hand-operated water injection pump 6, so that the damage of the instrument caused by the fact that gas presses water into the metering instrument due to excessive water injection in the metering body 1 is avoided; the upper end of the metering body 1 is provided with an emptying detection mechanism, so that whether the gas in the metering body 1 is emptied or not can be detected and known in time, and the efficiency is improved.
The water tank 7, the hand-operated water injection pump 6 and the metering body 1 are communicated through a first pipeline in sequence, and a certain amount of water in the water tank 7 is injected into the metering body 1 through the hand-operated water injection pump 6 according to requirements and is used for exhausting gas in the metering body 1; and the first pipeline between hand formula water injection pump 6 and the measurement body 1 is equipped with third valve 11, controls the water injection volume of measurement body 1 on the one hand, avoids the water of measurement body 1 to flow back on the one hand.
The emptying detection mechanism comprises a gas-liquid separator 8 communicated with the metering body 1 and an alarm whistle 9 arranged at a gas outlet of the gas-liquid separator 8; specifically, the sensor and the microprocessor which are connected are arranged in the alarm whistle 9, gas and water in the metering body 1 enter the gas-liquid separator 8 from the upper end of the alarm whistle 9, gas entering the gas-liquid separator 8 is discharged from a gas outlet of the gas-liquid separator, the alarm whistle 9 immediately sounds for alarm when the gas is detected to be discharged, the alarm is stopped until the alarm whistle 9 stops alarming when no gas is discharged from the gas-liquid separator 8, the alarm is stopped, namely the gas in the metering body 1 is completely discharged, whether the gas in the metering body 1 is completely discharged or not is simply and directly judged, and the efficiency is improved; the gas-liquid separator 8 is externally connected with the liquid level meter 10, when water in the metering body 1 enters the gas-liquid separator 8, the numerical value of the liquid level meter 10 changes, whether the metering body 1 is filled with water or not and whether gas in the metering body 1 is emptied or not can be judged by observing the change of the liquid level meter 10, and therefore whether the gas in the metering body 1 is emptied or not is further ensured by detecting the alarm whistle 9 and the liquid level meter 10 simultaneously; and the gas-liquid separator 8 is communicated with the metering body 1 through a second pipeline, a fourth valve 12 is arranged on the second pipeline, and the metering body 1 is communicated and closed through the fourth valve 12, so that emptying detection and metering of the metering body 1 are realized.
The utility model discloses a theory of operation does:
as shown in fig. 1, before the natural gas is measured, the measuring body 1 is replaced to ensure that the gas in the measuring body 1 is emptied, the first valve 4, the second valve 5 and the fourth valve 12 are kept in a closed state at the beginning, the third valve 11 is opened, water is injected into the measuring body 1 through the hand-operated water injection pump 6, when the pressure displayed by the pressure gauge reaches 0.2MPa, the fourth valve 12 is opened to enable water and air to enter the gas-liquid separator 8, at the moment, a sharp sound is emitted by the alarm whistle 9, and the liquid level of the liquid level meter 10 slowly rises; wherein, the liquid level change is observed through a liquid level meter 10 externally connected with the gas-liquid separator 8 so as to adjust the water injection pressure of the hand-operated water injection pump 6, thereby preventing water from being pressed into the pressure gauge and the flowmeter due to excessive pressure; when the alarm whistle 9 connected with the gas outlet of the gas-liquid separator 8 makes no sound, the air in the metering body 1 is completely discharged, at the moment, the third valve 11 is closed, the water injection is stopped, the first valve 4 is opened, the natural gas enters the metering body 1, the water enters the gas-liquid separator 8 from the second pipeline, the water in the metering body 1 is completely discharged, when the water is completely discharged, namely the alarm whistle 9 rings again, the fourth valve 12 is closed, the second valve 5 is opened, and the metering test is started.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed by the preferred embodiment, it is not limited to the present invention, and any person skilled in the art can make modifications or changes equivalent to the equivalent embodiments by utilizing the above disclosed technical contents without departing from the technical scope of the present invention, but all the modifications, changes and changes of the technical spirit of the present invention made to the above embodiments are also within the scope of the technical solution of the present invention.
Claims (5)
1. The utility model provides a sealed replacement device for double-phase measurement, includes the measurement body, install respectively the import flange and the outlet flange at measurement body both ends, respectively with the import flange with the first valve and the second valve of outlet flange intercommunication, its characterized in that, the lower extreme of measurement body is equipped with hand formula water injection pump and rather than the water tank of intercommunication, the upper end of measurement body is equipped with evacuation detection mechanism.
2. The closed displacement device for two-phase metering according to claim 1, wherein the water tank, the hand-operated water injection pump and the metering body are sequentially communicated through a first pipeline, and a third valve is arranged on the first pipeline between the hand-operated water injection pump and the metering body.
3. A closed displacement device for two-phase metering according to claim 1, wherein the emptying detection mechanism comprises a gas-liquid separator communicating with the metering body, an alarm whistle mounted at the gas outlet of the gas-liquid separator.
4. A closed displacement device for two-phase metering according to claim 3, wherein a liquid level meter is externally connected to the gas-liquid separator.
5. A closed displacement device for two-phase metering according to claim 3, wherein the gas-liquid separator communicates with the metering body through a second conduit, the second conduit being provided with a fourth valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222606775.6U CN218671642U (en) | 2022-09-30 | 2022-09-30 | Closed displacement device for two-phase metering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222606775.6U CN218671642U (en) | 2022-09-30 | 2022-09-30 | Closed displacement device for two-phase metering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218671642U true CN218671642U (en) | 2023-03-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222606775.6U Active CN218671642U (en) | 2022-09-30 | 2022-09-30 | Closed displacement device for two-phase metering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218671642U (en) |
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2022
- 2022-09-30 CN CN202222606775.6U patent/CN218671642U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Pan Weitao Inventor after: Feng Shaoguang Inventor after: Yuan Yijun Inventor after: Ruan Yufeng Inventor after: Zhang Lei Inventor after: Ye Chengjun Inventor after: Zhang Min Inventor after: Chen Jianfeng Inventor after: Cai Xiaoxuan Inventor before: Pan Weitao Inventor before: Feng Shaoguang |
|
| CB03 | Change of inventor or designer information | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 528000 Room 310, No. 18, Nanhai Avenue Middle, Chancheng District, Foshan, Guangdong Patentee after: Guangdong foran Technology Co.,Ltd. Patentee after: Zhaoqing Foran Natural Gas Co.,Ltd. Patentee after: Foshan Sanshui Gas Co.,Ltd. Address before: 528000 Room 310, No. 18, Nanhai Avenue Middle, Chancheng District, Foshan, Guangdong Patentee before: Guangdong foran Technology Co.,Ltd. Patentee before: Zhaoqing foran Natural Gas Co.,Ltd. Patentee before: FOSHAN SANSHUI GAS Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |