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Transmission line type pulsed electric field corona discharge reactor and manufacturing method

A technology of pulsed electric field and corona discharge, applied in the direction of electrical components, plasma, etc., can solve the problems of large structural capacitance and inability to generate pulsed electric field

Active Publication Date: 2015-10-28
INST OF FLUID PHYSICS CHINA ACAD OF ENG PHYSICS
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The technical problem to be solved by the present invention is: to overcome the inherent structural capacitance of the pulsed electric field corona discharge reactor applied to the industrial system, which cannot be installed on the reactor The shortcoming of generating a pulsed electric field with a pulse width on the order of hundreds of nanoseconds is to provide a transmission line type pulsed electric field corona discharge reactor and a manufacturing method, so that the reactor can be fed with a pulse voltage with a shorter pulse width, and the reactor is established. Greater pulsed electric field strength produces better desulfurization, denitrification and dust removal effects

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  • Transmission line type pulsed electric field corona discharge reactor and manufacturing method

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Embodiment 1

[0054] Embodiment 1: A method for manufacturing a transmission line type pulsed electric field corona discharge reactor, characterized in that it includes

[0055] Step 1: According to the total length L of high-voltage electrodes and the length X of each high-voltage electrode, determine the total number of high-voltage electrodes N according to the formula (1), and N is a positive integer:

[0056] N=L / X(1);

[0057] Step 2: Feed the high-voltage pulse signal into the head end of the first-stage high-voltage electrode through the high-voltage pulse generator, and monitor the waveform of the output high-voltage pulse signal at the end of the first-stage high-voltage electrode, and adjust so that the waveform of the fed-in high-voltage pulse signal is the same as the output high-voltage The waveform of the pulse signal is not distorted, so that a uniform transmission line is formed between the first-stage high-voltage electrode and the casing; the first end of the first-stage ...

Embodiment 2

[0059] Embodiment 2: On the basis of Embodiment 1, the specific step of determining the total length L of the high-voltage electrode in the step 1 is to calculate the total length L of the high-voltage electrode according to the formula (2):

[0060] L=P / Q (2)

[0061] Where P is the allowable attenuation of the pulse voltage amplitude during signal transmission in N-level series high-voltage electrodes, the unit is dB, and the Q is the attenuation of the signal transmitted by the high-voltage electrodes per meter, and the unit is dB / m.

Embodiment 3

[0062] Embodiment three: on the basis of embodiment one or two, the determination of the length X of each high-voltage electrode in the step 1, the specific steps:

[0063] Step 11: The insulation withstand voltage distance S between the high-voltage electrode and the shell can be obtained by formula (3):

[0064] S=k*Vcc / E (3)

[0065] Where E is the working field strength, the unit is V / m, and k is a safety factor greater than 1;

[0066] Step 12: According to the formula (4), the length X length of the high voltage electrode is obtained:

[0067] X=H-2*(S+M) (4)

[0068] where H is the height of the reactor in m and M is the height of the electrical connector in m.

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Abstract

The invention relates to the field of corona discharge reactors, and particularly relates to a transmission line type pulse electric field corona discharge reactor and a manufacturing method thereof. The transmission line type pulse electric field corona discharge reactor and the manufacturing method thereof which are provided by the invention overcome the defect that the traditional pulse electric field corona discharge reactor applied to an industrial system can not generate a pulse electric field with hundred nanosecond magnitude pulse width due to large inherent structural capacitance, thereby feeding the pulse voltage with shorter pulse width in the reactor, establishing higher pulse electric field strength on the reactor and generating better desulfuration, denitration and dedusting effects. The transmission line type pulse electric field corona discharge reactor and the manufacturing method thereof which are provided by the invention determine that the heads and tails of N-level high-voltage electrodes are respectively connected through electric connectors according to the total length L of high-voltage electrodes and the length X of each-level high-voltage electrodes, and are mainly applied to the field of reactor design.

Description

technical field [0001] The invention relates to the field of corona discharge reactors, in particular to a transmission line type pulse electric field corona discharge reactor and a manufacturing method. Background technique [0002] With the rapid development of my country's industrialization process, the emission of organic waste gas is increasing, making the continuous deterioration of air pollution and becoming one of the top ten environmental problems in the world. The traditional treatment methods in the past mainly include: adsorption method, absorption method, combustion method, oxidation method and so on. With the characteristics of complex pollutant components, large flow, and high concentration, these technologies have disadvantages such as low purification efficiency, high operating costs, or easy to cause secondary pollution. Compared with traditional treatment methods, low-temperature plasma treatment technology has attracted much attention because of its ultr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05H1/24
Inventor 谢敏李亚维刘云涛马成刚邓维军马军吴烈
Owner INST OF FLUID PHYSICS CHINA ACAD OF ENG PHYSICS