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Monitoring device and monitoring method for steam dryness of laboratory and steam flooding experimental device

A monitoring device and laboratory technology, applied in measurement devices, humidity control, earthwork drilling, etc., can solve problems such as effect influence, large error, and inability to accurately measure steam dryness, and achieve automatic control and reduce personnel. The effect of workload

Inactive Publication Date: 2017-07-07
CHINA UNIV OF PETROLEUM (BEIJING)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, after setting a suitable steam dryness, the steam dryness generated by the steam generator and injected into the model cannot be accurately measured, and can only be roughly estimated, and there is a large error. The effect of the experiment has a relatively large impact

Method used

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  • Monitoring device and monitoring method for steam dryness of laboratory and steam flooding experimental device
  • Monitoring device and monitoring method for steam dryness of laboratory and steam flooding experimental device
  • Monitoring device and monitoring method for steam dryness of laboratory and steam flooding experimental device

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Embodiment 1

[0041] Such as figure 1As shown, the present invention provides a laboratory steam dryness monitoring device 100, which is used to monitor and control the steam dryness of the output steam, so that the output steam dryness accurately meets the set value. The laboratory steam dryness monitoring device 100 includes a first detection device 1 , a first electromagnetic three-way valve 2 , a water adding device 3 , a heating device 4 , a second detection device 5 and a second electromagnetic three-way valve 6 . The first detection device 1 is connected to the steam generator through a pipeline, and is used for detecting the steam dryness of the steam output by the steam generator. Preferably, the first detection device 1 adopts a fiber-optic steam dryness meter; the first detection device 1 has a measurement channel for steam to pass through. The fiber-optic steam dryness meter is one of the existing measuring devices for measuring steam dryness. It has high detection precision an...

Embodiment 2

[0051] Such as figure 2 , image 3 and Figure 4 As shown, this embodiment provides a laboratory steam flooding experimental device for performing steam flooding simulation experiments in the laboratory, which uses the laboratory steam dryness monitoring device 100 described in Embodiment 1, The laboratory steam flooding experimental device also includes a steam generator 200 and a steam flooding model 300 . The steam generator 200 can adopt existing technology, including a steam output port 201 , a soft water output port 202 and a steam recovery port 203 . The steam outlet 201 is connected to the first detection device 1 through a pipeline. The soft water output port 202 is connected to the water adding device 3 through a pipeline. The steam recovery port 203 is connected to the steam recovery pipeline 103 . The steam flooding model 300 can adopt an existing experimental model, which has a steam injection port 301 , and the steam injection port 301 is connected to the s...

Embodiment 3

[0054] Such as Figure 5 As shown, this embodiment provides a method for monitoring laboratory steam dryness, Figure 5 The steam parameter test devices in the figure represent the first detection device and the second detection device respectively; the injector model represents the injection of steam into the steam flooding model. The laboratory steam dryness monitoring method adopts the laboratory steam dryness monitoring device 100 described in Embodiment 1, comprising the following steps:

[0055] S1. Detect the steam dryness of the steam output from the steam generator 200 .

[0056] S2. Distribute steam according to the steam dryness value detected in step S1; if the detected steam dryness value is less than the set steam dryness value, then distribute the steam to the heating pipeline 102 to heat the steam; if If the detected steam dryness value is greater than the set steam dryness value, the steam is distributed to the water adding pipeline 101, and distilled water ...

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Abstract

The invention relates to a monitoring device and monitoring method for steam dryness of a laboratory and a steam flooding experimental device. A first detecting device detects steam dryness, the detected steam dryness is compared with a set steam dryness value, and steam is distributed to a heating pipeline or a water adding pipeline based on a comparison result to adjust a dryness value of steam; and a second detecting device detects the adjusted steam and steam is distributed to a steam recycling pipeline or a steam output pipeline based on the detection result. Therefore, the dryness value of the injected steam can be monitored and controlled, so that the steam dryness reaches a set accurate value; detection data can be analyzed and processed in real time, automatic controlling can be realized, the work load of the staff can be reduced, and the operation becomes rapid; and the steam dryness with the needed value can be obtained by heating or mixing distilled water, so that manual controlling of a steam dryness value can be realized.

Description

technical field [0001] The invention relates to a device and method for measuring and controlling steam dryness used in a laboratory, in particular to a laboratory steam dryness monitoring device, a monitoring method and a steam flooding experimental device. Background technique [0002] At present, the research on steam flooding in the laboratory mainly uses the method of physical simulation experiment of steam flooding. Through a similar scale, the geological model is transformed into a laboratory model, and then the model is installed, and the steam generated by the steam generator is directly injected into the model for experiments. The dryness of the steam is an important factor affecting the experimental results. Because the higher the steam dryness, the higher the heat carried, and the better the effect on viscosity reduction. In the experiment, an appropriate steam dryness is generally set, injected into the model for experimentation, and the effect of steam floodi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05D22/02E21B43/24G01N33/00
CPCE21B43/24G01N33/0004G05D22/02
Inventor 庞占喜易雷浩汤晨阳侯斌刘慧卿
Owner CHINA UNIV OF PETROLEUM (BEIJING)
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