Gas-liquid two-phase flow meter sensor meter head

Abstract

The utility model discloses a gas-liquid two-phase flow meter sensor gauge outfit, belongs to the technical field of fluid flow measuring devices, and aims to solve the technical problems that most of filtrate reducers in the prior art are poor in temperature resistance and salt resistance. The system comprises a flow calculation module and a sensor module. The lower part of the sensor module is connected with the gas-liquid two-phase flowmeter shell; the sensor module comprises a sensor outer shell and a sensor sealing plate, and at least one pressure differential pressure double-channel multi-parameter sensor and at least one differential pressure sensor are arranged in the sensor outer shell. The gas-liquid two-phase flow meter sensor gauge outfit is small and compact in overall structure, has certain anti-explosion performance, and is convenient to disassemble, assemble and maintain in the later period.

Description

TECHNICAL FIELD

[0001] The utility model relates to fluid flow measuring device technical field, concretely relates to a gas liquid two -phase flow flowmeter sensor meter head. BACKGROUND

[0002] Oil and gas field exploitation and collection and transportation process involve a large number of gas liquid and other mixed multiphase fluid transportation measurement, and the conventional measurement instrument is only suitable for single-phase fluid measurement, and cannot directly accurately measure multiphase fluid. The mature method for measuring multiphase fluid mostly adopts the method that first separates the multiphase fluid, and then separately measures the separated phase using the conventional measurement instrument. This method needs to configure a huge separator, resulting in a large and expensive separation measurement device.

[0003] Therefore, there is an urgent need for a gas liquid two-phase flowmeter and its meter head that can directly measure the wet natural gas content and liquid content of the wellhead. UTILITY MODEL CONTENT

[0004] The utility model discloses a gas liquid two-phase flow flowmeter sensor meter head, which solves the technical problems of poor temperature resistance and poor salt resistance of the filtrate reducer in the prior art.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] The utility model provides a gas liquid two-phase flow flowmeter sensor meter head, which comprises a flow calculation module and a sensor module, and the lower part of the sensor module is connected with a gas liquid two-phase flowmeter shell.

[0007] The sensor module comprises a sensor outer shell and a sensor sealing plate, and at least one pressure differential pressure double-channel multi-parameter sensor and at least one differential pressure sensor are arranged in the sensor outer shell.

[0008] Optionally or preferably, the sensor sealing plate is arranged on the sensor outer shell by a plurality of fastening bolts, and the sensor outer shell is filled with explosion-proof sealing glue.

[0009] Optionally or preferably, the flow calculation module comprises a calculator outer shell, a flow calculator is arranged in the calculator outer shell, and the pressure differential pressure double-channel multi-parameter sensor and the differential pressure sensor are electrically connected with the flow calculator respectively.

[0010] Optionally or preferably, the calculator outer shell is in a columnar shape as a whole, one end of the calculator outer shell is provided with a display window, and the flow calculator is electrically connected with the display window.

[0011] Optionally or preferably, the flow calculation module is rotationally connected with the sensor module.

[0012] Based on the above technical scheme, the utility model at least can produce following technical effect:

[0013] The gas-liquid two-phase flow meter sensor meter head provided by the utility model has a small precision gap of less than 0.1 mm, a pressure strength of more than 26 MPa, a compact overall structure, and a sensor shell body in which the sensor forms an integral whole, so that the sensor module can be conveniently disassembled and maintained.

[0014] In addition, the measurement sensor can further improve the explosion-proof performance by being filled with the explosion-proof sealing glue in the sensor shell body, so as to meet the Exd II BT4Gb IP65 explosion-proof grade requirement. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 is the overall structure schematic view of the gas-liquid two-phase flow meter sensor meter head of the utility model;

[0016] Fig. 2 is the front view of the gas-liquid two-phase flow meter sensor meter head of the utility model.

[0017] In the figure: 10, flow calculation module; 11, calculation instrument shell body; 12, display window; 20, sensor module; 21, sensor shell body; 22, sensor sealing plate; 23, pressure differential pressure double-channel multi-parameter sensor; 24, differential pressure sensor; 25, fastening bolt. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model; obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative labor based on the embodiments in the utility model belong to the protection scope of the utility model.

[0019] EMBODIMENT

[0020] Please refer to Figs. 1-2 A gas-liquid two-phase flow meter sensor meter head, comprising a bottom sensor module 20 and a flow calculation module 10 rotatably connected with the sensor module 20; wherein the lower part of the sensor module 20 is connected with a gas-liquid two-phase flow meter shell body for measuring and displaying flow parameters.

[0021] In the embodiment, the above-mentioned sensor module 20 comprises a sensor shell body 21 and a sensor sealing plate 22 covering the sensor shell body 21, and the sensor sealing plate 22 is fixedly connected with the sensor shell body 21 through at least six fastening bolts 25.

[0022] The sensor outer shell 21 is internally provided with a pressure differential pressure double-channel multi-parameter sensor 23 and a differential pressure sensor 24; wherein the pressure differential pressure double-channel multi-parameter sensor 23 and the differential pressure sensor 24 are modularly arranged in the sensor outer shell 21 as a whole, facilitating the disassembly and later maintenance of the sensor.

[0023] In addition, the sensor outer shell 21 is filled with an explosion-proof sealant, and the whole is plastic-sealed in a manner, further improving the explosion-proof performance of the measurement sensor, and meeting the Exd II BT4Gb explosion-proof level requirement.

[0024] In the embodiment, the flow calculation module 10 comprises a calculator outer shell 11, and a flow calculator is arranged in the calculator outer shell 11; the pressure differential pressure double-channel multi-parameter sensor 23 and the differential pressure sensor 24 are electrically connected to the flow calculator.

[0025] Further, in the embodiment, the calculator outer shell 11 is in a columnar shape as a whole, and a display window 12 is arranged at one end of the calculator outer shell 11; the flow calculator is electrically connected to the display window 12, and the flow calculator can display the flow parameter through the display window 12.

[0026] The gas-liquid two-phase flow meter sensor sensor head provided in the embodiment has a small precision gap of less than 0.1mm, a pressure strength of greater than 26MPa, a small and compact overall structure, and the sensors arranged in the sensor outer shell form a whole, facilitating the disassembly and later maintenance of the whole sensor module.

[0027] By filling the sensor outer shell with an explosion-proof sealant, the measurement sensor can further improve the explosion-proof performance, thereby meeting the Exd II BT4Gb IP65 explosion-proof level requirement.

[0028] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A sensor head for a gas-liquid two-phase flow meter, characterized in that, It comprises a flow calculation module (10) and a sensor module (20); the lower part of the sensor module (20) is connected with a gas-liquid two-phase flowmeter shell; The sensor module (20) comprises a sensor outer shell (21) and a sensor sealing plate (22), and at least one pressure differential pressure double-channel multi-parameter sensor (23) and at least one differential pressure sensor (24) are arranged in the sensor outer shell (21).

2. The gas-liquid two-phase flow meter sensor head of claim 1, wherein, The sensor sealing plate (22) is arranged on the sensor outer shell (21) by a plurality of fastening bolts (25); the sensor outer shell (21) is filled with explosion-proof sealing glue.

3. The gas-liquid two-phase flow meter sensor head of claim 1, wherein, The flow calculation module (10) comprises a calculator outer shell (11), and a flow calculator is arranged in the calculator outer shell (11); the pressure differential pressure double-channel multi-parameter sensor (23) and the differential pressure sensor (24) are electrically connected with the flow calculator respectively.

4. The gas-liquid two-phase flow meter sensor meter head of claim 3, wherein, The calculator outer shell (11) is in a columnar shape as a whole, one end of the calculator outer shell (11) is provided with a display window (12), and the flow calculator is electrically connected with the display window (12).

5. The gas-liquid two-phase flow meter sensor head of claim 1, wherein, The flow calculation module (10) is rotationally connected with the sensor module (20).

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