CN214702442U

CN214702442U - Water injection flowmeter calibration device that oil production plant used

Info

Publication number: CN214702442U
Application number: CN202121349573.7U
Authority: CN
Inventors: 谢晖
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-17
Filing date: 2021-06-17
Publication date: 2021-11-12
Anticipated expiration: 2031-06-17

Abstract

The utility model discloses a water injection flowmeter calibration device that oil production plant used, including maring the case, the inside of maring the case is provided with marks the subassembly, marks the subassembly including standard flowmeter and waiting to mark the flowmeter, and the both ends threaded connection who waits to mark the flowmeter has the water pipe, and one side of waiting to mark the flowmeter has a measuring cylinder through water piping connection, and the top fixedly connected with radar level gauge two of measuring cylinder, one side of measuring cylinder have a switching-over valve one through water piping connection, and the one end of switching-over valve one is connected with the water supply bucket through the water pipe, and the top fixedly connected with radar level gauge of water supply bucket is one. The utility model discloses a set up and mark the subassembly and can treat to mark the flowmeter and carry out the accuracy and mark, lead to pipe with the water pump, treat to mark flowmeter, standard flowmeter and water supply bucket and connect, form closed circuit, gather standard flowmeter and treat the flow data who marks the flowmeter, transmit the PLC treater, carry out data comparison again, obtain the flow measurement error of treating to mark the flowmeter.

Description

Water injection flowmeter calibration device that oil production plant used

Technical Field

The utility model relates to an oil field water injection instrument equipment technical field especially relates to a water injection flowmeter calibration device that oil production plant used.

Background

In the prior art, as oilfield flooding is gradually refined from scale, the requirement for precise metering is increased day by day, and a precise metering instrument is the premise of ensuring the precise flooding; the flowmeter is a main metering instrument for oilfield water injection, and is calibrated on schedule to ensure the accuracy of water injection metering.

Through retrieval, the patent with the Chinese patent application number of 201721804413.0 discloses an online flowmeter calibration device, which comprises a material conveying pipeline, wherein a weighing device and a flowmeter are sequentially arranged on the material conveying pipeline, the weighing device comprises a weighing bin, weighing sensors and a support, a plurality of weighing sensors are arranged on a base of the weighing bin, and the weighing bin is supported on the support through the weighing sensors; the top of the weighing bin is provided with a feeding hole, the feeding hole is provided with a feeding electromagnetic valve, the feeding hole is communicated with a material conveying pipeline through a first hose, the bottom of the weighing bin is provided with a discharging hole, the discharging electromagnetic valve is arranged on the discharging hole, the discharging hole is communicated with a flowmeter through a second hose, and the weighing bin is internally provided with a radar level indicator. The above patents suffer from the following disadvantages: the device measures water through the weighing device, and the water after the measurement passes through the flowmeter, reaches the demarcation to the flowmeter, but the water after the measurement has some to remain on the inner wall, causes the inaccurate of demarcation.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a water injection flowmeter calibration device for an oil production plant.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a water injection flowmeter calibration device for an oil production plant comprises a calibration box, wherein a PLC processor and a display screen are arranged at the top of the calibration box, the display screen is electrically connected with the PLC processor, a calibration component is arranged in the calibration box and comprises a standard flowmeter and a flowmeter to be calibrated, two ends of the flowmeter to be calibrated are in threaded connection with water pipes, the number of the water pipes is multiple, one side of the flowmeter to be calibrated is connected with a measuring cylinder through the water pipe, the top of the measuring cylinder is fixedly connected with a radar liquid level meter II, one side of the measuring cylinder is connected with a reversing valve I through the water pipe, one end of the reversing valve I is connected with a water supply barrel through the water pipe, the top of the water supply barrel is fixedly connected with a radar liquid level meter I, the standard flowmeter is connected with one side of the water supply barrel through the water pipe, the other side of the standard flowmeter is connected with a water pump through the water pipe, and the output end of the water pump is connected with the reversing valve II through the water pipe, one end of the second reversing valve is connected with the flowmeter to be calibrated through a water pipe.

As a further aspect of the present invention: and one end of the reversing valve I is in threaded connection with an air outlet pipe, one end of the air outlet pipe is in threaded connection with an air exhaust cover, and one side of the air exhaust cover is provided with an air outlet.

As a further aspect of the present invention: the bottom of the calibration box is fixedly connected with a fixed pulley.

As a further aspect of the present invention: and the first radar liquid level meter and the second radar liquid level meter are electrically connected with the PLC processor.

As a further aspect of the present invention: the inner wall of the exhaust cover is fixedly connected with a humidity sensor through a screw.

As a further aspect of the present invention: and the flowmeter to be calibrated and the standard flowmeter are electrically connected with the PLC processor.

As a further aspect of the present invention: the water pipes are connected through right-angle pipe fittings.

Compared with the prior art, the utility model provides a water injection flowmeter calibration device that oil production plant used possesses following beneficial effect:

1. this a water injection flowmeter calibration device for oil production plant uses, can treat to mark the flowmeter and carry out the accuracy through setting up the calibration subassembly and mark, the water pump is passed through the water pipe, treat to mark the flowmeter, standard flowmeter and water supply bucket are connected, form closed circuit, start the water pump, gather standard flowmeter and the flow data of treating to mark the flowmeter, transmit the PLC treater, carry out the data comparison again, obtain the flow measurement error of treating to mark the flowmeter, avoided measuring the flowmeter through the mode of weighing, lead to measuring inaccurate problem.

2. This a water injection flowmeter calibration device for oil production plant uses can measure water level in supplying cask and the measuring cylinder through setting up radar level gauge one and radar level gauge two, calculates the water yield that the pipe wall persists through the PLC treater for detect standard flowmeter's accuracy, the error of avoiding standard flowmeter leads to treating to mark the flowmeter and marks the mistake, improves the accuracy of treating to mark the flowmeter.

3. This a water injection flowmeter calibration device for oil production plant uses can carry out the drying to the water pipe inner wall through setting up the fan, rotates switching-over valve two and switching-over valve one, makes the blowing pipe and goes out tuber pipe and water pipe intercommunication, and the fan is bloied to the water pipe inner wall, realizes the drying to the water pipe inner wall, avoids remaining the water in the water pipe to stop for a long time and causes the corruption to the water pipe, influences the calibration result, and humidity transducer is used for detecting dry degree.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses simple structure, convenient operation.

Drawings

Fig. 1 is a schematic overall structure diagram of a calibration device of a water injection flowmeter for an oil production plant according to the present invention;

fig. 2 is a schematic structural diagram of a calibration assembly of a calibration device of a water injection flowmeter for an oil production plant according to the present invention;

fig. 3 is the utility model provides a water injection flowmeter calibration device's that oil recovery plant used lid schematic diagram of airing exhaust.

In the figure: 1-a calibration box, 2-a display screen, 3-a PLC processor, 4-a calibration component, 5-a fixed pulley, 6-a water pipe, 7-a water pump, 8-a to-be-calibrated flowmeter, 9-a standard flowmeter, 10-a water supply barrel, 11-a radar liquid level meter I, 12-a radar liquid level meter II, 13-a measuring barrel, 14-a reversing valve I, 15-an air outlet pipe, 16-a fan, 17-an air blowing pipe, 18-a reversing valve II, 19-an air outlet and 20-a humidity sensor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

A water injection flowmeter calibration device for an oil extraction plant comprises a calibration box 1, wherein a PLC processor 3 and a display screen 2 are arranged at the top of the calibration box 1, the display screen 2 is electrically connected with the PLC processor 3, a fixed pulley 5 is fixedly connected at the bottom of the calibration box 1, a calibration component 4 is arranged inside the calibration box 1, the calibration component 4 comprises a standard flowmeter 9 and a flowmeter 8 to be calibrated, water pipes 6 are in threaded connection with two ends of the flowmeter 8 to be calibrated, the water pipes 6 are in multiple numbers, adjacent water pipes 6 are connected through right-angle pipeline fittings, one side of the flowmeter 8 to be calibrated is connected with a measurement cylinder 13 through the water pipe 6, the top of the measurement cylinder 13 is fixedly connected with a radar level meter II 12, one side of the measurement cylinder 13 is connected with a reversing valve I14 through the water pipe 6, one end of the reversing valve I14 is connected with a water supply cylinder 10 through the water pipe 6, the top of the water supply barrel 10 is fixedly connected with a radar liquid level meter I11, the standard flowmeter 9 is connected to one side of the water supply barrel 10 through a water pipe 6, the other side of the standard flowmeter 9 is connected with a water pump 7 through the water pipe 6, the output end of the water pump 7 is connected with a reversing valve II 18 through the water pipe 6, one end of the reversing valve II 18 is connected with a flowmeter 8 to be calibrated through the water pipe 6, the flowmeter 8 to be calibrated and the standard flowmeter 9 are electrically connected with the PLC processor 3, and the radar liquid level meter I11 and the radar liquid level meter II 12 are electrically connected with the PLC processor 3; the flowmeter 8 to be calibrated can be accurately calibrated by arranging the calibration component 4, the water pump 7, the flowmeter 8 to be calibrated, the standard flowmeter 9 and the water supply barrel 10 are connected through the water pipe 6 to form a closed loop, the water pump 7 is started, flow data of the standard flowmeter 9 and the flowmeter 8 to be calibrated are collected and transmitted to the PLC processor 3, and then data comparison is carried out to obtain the flow measurement error of the flowmeter 8 to be calibrated, so that the problem of inaccurate measurement caused by measuring the flowmeter in a weighing mode is avoided; can measure water supply bucket 10 and measuring barrel 13 interior water level through setting up radar level gauge 11 and two 12 of radar level gauge, calculate the water yield that the pipe wall stayed through PLC treater 3 for detect standard flowmeter 9's accuracy, avoid standard flowmeter 9's error to lead to waiting to mark flowmeter 8 and mark the mistake, improve and wait to mark flowmeter 8's accuracy.

In order to dry the inner wall of the water pipe 6, as shown in fig. 2 and 3, one end of the second reversing valve 18 is in threaded connection with a blowing pipe 17, one end of the blowing pipe 17 is in threaded connection with a fan 16, the fan 16 is fixedly connected to the inner wall of the bottom of the calibration box 1 through a bolt, one end of the first reversing valve 14 is in threaded connection with an air outlet pipe 15, one end of the air outlet pipe 15 is in threaded connection with an air exhaust cover, one side of the air exhaust cover is provided with an air outlet 19, and the inner wall of the air exhaust cover is fixedly connected with a humidity sensor 20 through a screw; can dry the inner wall of water pipe 6 through setting up fan 16, rotate two 18 and the first 14 of switching-over valve, make the blowing pipe 17 with go out tuber pipe 15 and water pipe 6 intercommunication, fan 16 bloies 6 inner walls of water pipe, realizes the drying to 6 inner walls of water pipe, avoids remaining the long-time corruption that causes of water pipe 6 of staying in the water pipe 6, influences the calibration result, humidity transducer 20 is used for detecting dry degree.

The working principle is as follows: the water pump 7, the flowmeter 8 to be calibrated, the standard flowmeter 9 and the water supply barrel 10 are connected through the water pipe 6 to form a closed loop, the water pump 7 is started, flow data of the standard flowmeter 9 and the flowmeter 8 to be calibrated are collected and transmitted to the PLC processor 3, data comparison is carried out to obtain a flow measurement error of the flowmeter 8 to be calibrated, the radar level gauge I11 and the radar level gauge II 12 measure water levels in the water supply barrel 10 and the measuring barrel 13, the water quantity remained on the pipe wall is calculated through the PLC processor 3 and is used for detecting the accuracy of the standard flowmeter 9, the calibration error of the flowmeter 8 to be calibrated caused by the error of the standard flowmeter 9 is avoided, the reversing valve II 18 and the reversing valve I14 are rotated to enable the air blowing pipe 17 and the air outlet pipe 15 to be communicated with the water pipe 6, the air blower 16 blows air to the inner wall of the water pipe 6 to dry the inner wall of the water pipe 6, and corrosion of the water remained in the water pipe 6 caused by long-time retention, influencing the calibration result, the humidity sensor 20 is used to detect the degree of dryness.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A water injection flowmeter calibration device for an oil production plant comprises a calibration box (1) and is characterized in that a PLC (programmable logic controller) processor (3) and a display screen (2) are arranged at the top of the calibration box (1), the display screen (2) is electrically connected with the PLC processor (3), a calibration component (4) is arranged inside the calibration box (1), the calibration component (4) comprises a standard flowmeter (9) and a flowmeter (8) to be calibrated, water pipes (6) are in threaded connection with two ends of the flowmeter (8) to be calibrated, the number of the water pipes (6) is multiple, one side of the flowmeter (8) to be calibrated is connected with a measurement cylinder (13) through the water pipe (6), the top of the measurement cylinder (13) is fixedly connected with a radar liquid level meter II (12), one side of the measurement cylinder (13) is connected with a reversing valve I (14) through the water pipe (6), one end of the reversing valve I (14) is connected with a water supply barrel (10) through the water pipe (6), the top fixedly connected with radar level gauge (11) of water supply bucket (10), standard flowmeter (9) are connected in one side of water supply bucket (10) through water pipe (6), the opposite side of standard flowmeter (9) is connected with water pump (7) through water pipe (6), water pump (7) output is connected with switching-over valve two (18) through water pipe (6), the one end of switching-over valve two (18) is passed through water pipe (6) and is treated to mark flowmeter (8) and be connected.

2. The water injection flowmeter calibration device for the oil production plant according to claim 1, wherein a blowpipe (17) is connected to one end of the second reversing valve (18) through threads, a fan (16) is connected to one end of the blowpipe (17) through threads, the fan (16) is fixedly connected to the inner wall of the bottom of the calibration box (1) through bolts, an air outlet pipe (15) is connected to one end of the first reversing valve (14) through threads, an air exhaust cover is connected to one end of the air outlet pipe (15) through threads, and an air outlet (19) is formed in one side of the air exhaust cover.

3. The device for calibrating the water injection flowmeter for the oil production plant according to claim 1, characterized in that a fixed pulley (5) is fixedly connected to the bottom of the calibration tank (1).

4. The device for calibrating the flooding flow meter for the oil production plant according to claim 1, characterized in that the first radar level meter (11) and the second radar level meter (12) are electrically connected to the PLC processor (3).

5. The device for calibrating the water injection flowmeter for the oil production plant according to claim 2, wherein the inner wall of the exhaust cover is fixedly connected with a humidity sensor (20) through a screw.

6. The device for calibrating the water injection flowmeter for the oil production plant according to claim 1, wherein the flowmeter (8) to be calibrated and the standard flowmeter (9) are electrically connected with the PLC processor (3).

7. The device for calibrating the water injection flowmeter for the oil production plant according to claim 1, characterized in that the water pipes (6) are connected by right-angle pipe fittings.