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Self-power generation type high-pressure impeller flowmeter of water injection well

A technology of impeller flowmeter and water injection well, which is applied in the direction of measuring flow/mass flow, liquid/fluid solid measurement, measurement, etc. It can solve the problems of unfavorable maintenance, inconvenient installation, and difficult wiring, etc., so as to facilitate maintenance and installation , suitable for a wide range of effects

Inactive Publication Date: 2010-02-24
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a self-generating high-pressure water injection well to solve the problems of difficulty in wiring, inconvenient installation, and unfavorable maintenance due to the external power supply or solar power supply mode used for power supply of the flow meter for the flow detection of the water injection well in the existing oil field. impeller flowmeter

Method used

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  • Self-power generation type high-pressure impeller flowmeter of water injection well
  • Self-power generation type high-pressure impeller flowmeter of water injection well
  • Self-power generation type high-pressure impeller flowmeter of water injection well

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specific Embodiment approach 1

[0007] Specific implementation mode one: combine Figure 1 ~ Figure 3 Describe this embodiment, this embodiment includes housing 1, sliding baffle 2, fixed baffle 3, impeller 4, impeller shaft 5, two rolling bearings 6, first end cover 7, coupling 8, generator 9, connection frame 10, second end cover 11 and lead block 12, one end of the inner cavity of the shell 1 is processed with a balance cavity 1-1, and the other end of the cavity of the shell 1 is processed with a high-pressure large oil cavity 1-2, and the balance cavity 1-1 and The high-pressure large oil chamber 1-2 is connected, the sliding baffle 2 and the fixed baffle 3 are set in the balance chamber 1-1, the sliding baffle 2 is located on the side close to the high-pressure large oil chamber 1-2, the fixed baffle 3 and the sliding baffle The plate 2 is symmetrically arranged, the impeller 4 is fixed on the impeller shaft 5, the impeller 4 is arranged between the sliding baffle 2 and the fixed baffle 3, and the conn...

specific Embodiment approach 2

[0008] Specific implementation mode two: combination figure 1 Describe this embodiment, the generator 9 of this embodiment is made up of rotor 9-1, coil 9-2, casing 9-3, input end cover 9-4 and output end cover 9-5, coil 9-2 Wound on the rotor 9-1, the box 9-3 is set on the coil 9-2, the input end cover 9-4 is set on the input end of the rotor 9-1 through the bearing, and the input end cover 9-4 passes through The connecting piece is fixedly connected to the box body 9-3, the output end cover 9-5 is set on the output end of the rotor 9-1 through the bearing, and the output end cover 9-5 is fixedly connected to the box body 9-3 through the connecting piece . Other compositions and connections are the same as in the first embodiment.

specific Embodiment approach 3

[0009] Specific implementation mode three: combination figure 1 This embodiment is described. The difference between this embodiment and the first embodiment is that it also adds two oil seals 13, and the end surface of the sliding baffle 2 opposite to the fixed baffle 3 is provided with a first oil seal installation hole 2-1. The end face of the fixed baffle 3 opposite to the sliding baffle 2 is provided with a second oil seal installation hole 3-1, and two oil seals 13 are symmetrically arranged on both sides of the impeller 4, and are respectively installed in the first oil seal installation hole 2-1 And in the second oil seal installation hole 3-1, the inner holes of the two oil seals 13 cooperate with the impeller shaft 5 respectively. The oil seal 13 makes the separation and sealing effect between the high-pressure large oil chamber 1-2 and the high-pressure water chamber 1-5 better. Other compositions and connections are the same as in the first embodiment.

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Abstract

The invention relates to a self-power generation type high-pressure impeller flowmeter of a water injection well, which is a flow detection device of the water injection well. The self-power generation type high-pressure impeller flowmeter aims at solving the problems that the prior flow detection of the oilfield water injection well adopts an external power supply or solar energy for supplying power, so that the wiring is difficult and the installation is inconvenient. A sliding baffle plate and a fixed baffle plate are symmetrically arranged in a balance cavity, an impeller is arranged between the sliding baffle plate and the fixed baffle plate, one end of an impeller shaft is mounted in the fixed baffle plate, the other end is mounted in the sliding baffle plate, one end of a coupler isconnected with the output end of the impeller shaft, the output end is connected with a rotor of a power generator, a wire leading block is arranged in a ladder hole on a second end cover, one end ofan oil guiding hole is communicated with a high-pressure small oil cavity, the other end is communicated with a high-pressure large oil cavity, a cavity body between the sliding baffle plate and thefixed baffle plate is a high-pressure water cavity, and a water inlet and a water outlet which are opposite to the high-pressure water cavity are respectively formed on the side wall of a casing. Theself-power generation type high-pressure impeller flowmeter can convert the kinetic energy of the rotation of the impeller to the electric energy, output the electric energy by the wire leading blockand supply the power to the flowmeter and a detection circuit.

Description

technical field [0001] The invention relates to a flow detection device for water injection wells, in particular to a flow meter for flow detection of water injection wells in oil fields. Background technique [0002] At present, most of the flowmeters used in the flow detection of oilfield water injection wells are powered by external power supply or solar power supply. The disadvantage of external power supply is that it needs to be wired; Contents of the invention [0003] The purpose of the present invention is to provide a self-generating high-pressure water injection well to solve the problems of difficulty in wiring, inconvenient installation, and unfavorable maintenance due to the external power supply or solar power supply mode used for power supply of the flow meter for the flow detection of the water injection well in the existing oil field. impeller flowmeter. [0004] The flow meter of the present invention includes a casing, a sliding baffle, a fixed baffle,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B47/00G01F1/075
Inventor 张广玉董惠娟宋文平张如意张海兵
Owner HARBIN INST OF TECH