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Adjustable sensor for microwave carbon measuring meter

An adjustable and regulator technology, used in instruments, scientific instruments, material analysis using microwave means, etc., can solve the problems of sensors that cannot be adjusted, and achieve the purpose of reducing coal type changes, reducing overall volume, and improving measurement accuracy. Effect

Inactive Publication Date: 2011-11-09
SHANGHAI HEAT ENERGY TECH
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Problems solved by technology

[0006] Aiming at the above-mentioned deficiencies in the prior art, the present invention provides an adjustable sensor for a microwave carbon measuring instrument, which solves the situation that current sensors cannot be adjusted, and can select different microwave frequencies and different phase positions according to changes in coal types

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  • Adjustable sensor for microwave carbon measuring meter
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Embodiment Construction

[0016] The embodiments of the present invention are described in detail below. This embodiment is implemented on the premise of the technical solution of the present invention, and detailed implementation methods and specific operating procedures are provided, but the protection scope of the present invention is not limited to the following implementation example.

[0017] Such as figure 1 As shown, this embodiment includes: a waveguide measurement cavity 1, a coaxial converter 2, a coaxial detector 3, and a regulator 4, wherein the coaxial converter 2 is installed at one end of the waveguide measurement cavity 1, and the coaxial detector 3 is installed at the end of the waveguide measurement cavity 1. The other end of the waveguide measurement cavity 1 is symmetrical, and the regulator is installed on the waveguide measurement cavity 1 . The waveguide measurement cavity 1 adopts a rectangular waveguide 5, and the two ends of the rectangular waveguide are sealed with waveguid...

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Abstract

The invention provides an adjustable sensor for a microwave carbon measuring meter. The adjustable sensor comprises a waveguide measurement cavity, a coaxial converter, a coaxial demodulator and an adjuster, wherein the coaxial converter is arranged at one end of the waveguide measurement cavity, and the coaxial demodulator is arranged at the other symmetric end of the waveguide measurement cavity; and the adjuster is arranged on the waveguide measurement cavity. Through the adjuster, zero adjustment of the microwave sensor can be realized, and the stationary field of the waveguide measurement cavity can be adjusted to a stationary wave area which is sensitive to an ash sample, so that the measurement accuracy is improved.

Description

technical field [0001] The invention relates to a sensing device in the field of boiler monitoring, in particular to a standing wave sensor of a microwave carbon measuring instrument. Background technique [0002] my country's thermal power generation accounts for more than 70% of the total power generation, and coal-fired power generation is the main form of thermal power generation in my country. Therefore, improving the efficiency of coal-fired boilers is of great significance for improving the utilization rate of primary energy. As the main factor affecting the efficiency of the boiler, the carbon content of the fly ash also reflects the combustion situation of the pulverized coal in the furnace. By monitoring it online, the combustion situation can be obtained and the combustion operation can also be guided. In addition, in the circular economy, fly ash can be used as construction materials such as cement and gray bricks. This has strict requirements on the carbon conte...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N22/00
Inventor 李友谊宋资勤孙长江林正春范卫东
Owner SHANGHAI HEAT ENERGY TECH
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