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Method and system for measuring steam dryness of oilfield steam injection boiler

A measurement method and technology of steam injection boilers, applied in the direction of material resistance, etc., can solve the problems of low accuracy and stability of steam dryness measurement and high cost of use of steam injection boilers in oil fields, achieve self-cleaning, solve the problem of error superposition, To achieve the effect of random selection

Active Publication Date: 2016-12-28
西安庆晟机电科技有限公司
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Problems solved by technology

[0006] Aiming at the problems of low accuracy and stability of steam dryness measurement of oilfield steam injection boilers and high cost of use in related technologies, no effective solution has been proposed so far. Therefore, the main purpose of the present invention is to provide an oilfield steam injection boiler. Boiler steam dryness measurement method and its system to solve the above problems

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  • Method and system for measuring steam dryness of oilfield steam injection boiler
  • Method and system for measuring steam dryness of oilfield steam injection boiler

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Embodiment Construction

[0034] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0035] figure 2 It is a schematic diagram of the test principle of the steam dryness control system of the steam injection boiler in the oil field, as shown in figure 1 As shown, the method for measuring the steam dryness of the steam injection boiler in the oil field described in this embodiment includes: alternately using the process 1 and the process 2 to measure the steam dryness;

[0036] The first process is: open the first rotary reversing electric va...

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Abstract

The invention relates to an oil field steam injection boiler steam dryness measurement method and its system. The measurement method employs a process 1 and a process 2 alternately. The process 1 includes: measuring a conductivity value a by a first conductivity sensor (6), then conducting commutation, measuring a conductivity value b by the first conductivity sensor (6), and calculating a dryness value by a programmable logic controller (8). The process 2 includes: measuring a conductivity value c by a second conductivity sensor (7), then conducting commutation, measuring a conductivity value d by the second conductivity sensor (7), and calculating the dryness value by the programmable logic controller (8). The oil field steam injection boiler steam dryness measurement method and its system provided in the invention improve the accuracy and stability of oil field steam injection boiler steam dryness measurement, and reduce the use cost.

Description

technical field [0001] The invention relates to the design of a boiler dryness measuring device, and in particular provides a method and a system for measuring the steam dryness of an oil field steam injection boiler. Background technique [0002] The steam injection boiler is used as a steam generator for injecting steam into the oil layer during oilfield exploitation. It will force the steam generated into the underground oil layer to provide heat source for the thermal recovery of heavy oil. Its combustion operation quality and output steam quality are closely related to the heat injection effect. Dryness refers to the mass percentage of dry saturated steam contained in wet saturated steam, which is an important parameter for the safe operation of steam injection boilers and an important indicator affecting the thermal recovery effect of heavy oil. In order to ensure the effectiveness, economy and safety of equipment operation, higher and higher requirements are put forwa...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N27/06
Inventor 赵庆成宋辉
Owner 西安庆晟机电科技有限公司
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