CN2533640Y

CN2533640Y - Pulse power supply distribution control device for large discharge plasma reactor

Info

Publication number: CN2533640Y
Application number: CN 02208828
Authority: CN
Inventors: 姜学东; 汪至中; 梁晖; 王毅
Original assignee: Guangdong J Tech Science Development Co ltd
Current assignee: Guangdong J Tech Science Development Co ltd
Priority date: 2002-04-01
Filing date: 2002-04-01
Publication date: 2003-01-29
Anticipated expiration: 2012-04-01

Abstract

The utility model discloses a distributed control device for pulse power supply of a large discharge plasma reactor and the application of the technology of the utility model solves the problem of loading and supplying power for a large power reactor with a smaller power reactor, wherein, a big reactor is divided into a plurality of small reactors and the small reactors of the adjacent areas are combined into a group which is provided with power by a small power pulse power supply; the grouping of the reactors according to regions can realize the change from bigger to smaller of the big reactor to make easy sub-area supply and the voltage current signals which are output by power supply are fed back to an input end of the power supply after being analyzed and processed by a medium-control computer and the reactor gets appropriate electric field intensity through the control of a closed loop, which completely solves the problem of streamer discharge and removal of gaseous pollutants in big actors and which solves the technical problem of treating industrial waste gas.

Description

The collecting and distributing control device of large-scale discharging plasma reactor pulse power supply

Technical field:

The utility model relates to a kind of collecting and distributing control device of large-scale discharging plasma reactor pulse power supply.

Background technology:

The power supply that is used for large-scale discharging plasma reactor at present is a high-frequency narrow-pulse high voltage source, and the high voltage narrow pulse that adopts nanosecond rise time usually is when reactor is powered, because underlying cause is difficult to the effect of realizing ideal:

1, reactor has bigger capacitance, and the potential pulse forward position that in fact inductance of outlet line and big electric capacity obtain reactor slows down, and does not reach the forward position of nanosecond and the amplitude that needs;

2, the big capacity of reactor contain electric charge in large quantities, the capacity effect that reactor produces, make this reactor when the input of burst pulse power supply, most of pulse energy has become the energy storage of DC pulse electric charge, when improving the frequency of the pulse power, what in fact reactor obtained is a straight direct voltage, and this direct current basic voltage is subjected to the leakage of pulse frequency and interpolar, the influence of discharge, be difficult for factors such as artificial control, the efficient that improves this reactor is had certain difficulty.

3, because the required power of reactor is bigger, the switching device in the individual pulse power supply is difficult to bear the needed current/voltage of big capacity load.

The utility model content:

The purpose of this utility model provides a kind of collecting and distributing control device of large-scale discharging plasma reactor pulse power supply, the collecting and distributing control device of this large-scale discharging plasma reactor pulse power supply can provide the power of satisfying the demand to reactor, can realize the online regulation and control to the reactor power simultaneously.

For achieving the above object, the technical scheme that the utility model provides is: a kind of collecting and distributing control device of large-scale discharging plasma reactor pulse power supply, large-scale discharging plasma reactor is divided into little reactor with metallic plate, each little reactor is a ducted body, it is anodal that a discharge is set in this ducted body, all shells of cutting apart the metallic plate of usefulness and reactor are fixed together and form the ground connection negative pole, again with the little reactor grouping in the reactor, constitute reactor group, the positive pole of every bank of reactor is cascaded, every bank of reactor is powered by a high frequency pulse power supply, and this high frequency pulse power supply is powered by three-phase alternating current; The output signal of this high frequency pulse power supply is by input reactor group behind the signal pickup assembly, the output of this signal pickup assembly is connected with the input of control device, the output of this control device is connected with the input of this high frequency pulse power supply, constitutes the collecting and distributing control device of this high frequency pulse power supply power supply.

In the technical scheme that the utility model provides, described signal pickup assembly also can be current signal feedback device and voltage signal feedback device.

In the technical scheme that the utility model provides, the output of described control device is that bus interface modes is connected with the connected mode of the input of this high frequency pulse power supply.

In the technical scheme that the utility model provides, described little reactor be shaped as a kind of in square, rectangle, triangle, circle, ellipse, the polygon, described discharge electrode is arranged on the center of this little reactor.

In the technical scheme that the utility model provides, the connected mode of the described discharge electrode that is provided with in little reactor center position is: a kind of in the mode that the positive pole that the positive pole that laterally faces little reactor mutually is connected, vertically faces mutually little reactor is connected, the oblique positive pole that faces little reactor mutually is connected, the positive pole of the little reactor in lateral separation is connected, the positive pole of the little reactor of longitudinal separation is connected, the positive pole of the little reactor in oblique interval is connected.

In the utility model, owing to adopted the method for Region Segmentation, a big reactor is divided into the combination of several little reactors, and when less reactor is powered, technique scheme greatly reduces the requirement of power supply power demand is inevitable, so can satisfy the desired power of any reactor fully.Simultaneously owing to adopted collecting and distributing control device, by to total line traffic control such as the output signal collection of high frequency pulse power supply, feedback, control, realized the On-line Control to high frequency pulse power supply, the power of reasonable distribution reactor actual needs has played the effect of power distribution abundance, saving.

Description of drawings:

The subregion schematic diagram of the collecting and distributing control device of the large-scale discharging plasma reactor pulse power supply that Fig. 1 provides for the utility model;

The structural representation of the line plate shaped reaction device of the collecting and distributing control device of the large-scale discharging plasma reactor pulse power supply that Fig. 2 provides for the utility model;

The structural formula intention of the line barrel-shape reactor of the collecting and distributing control device of the large-scale discharging plasma reactor pulse power supply that Fig. 3 provides for the utility model;

The collecting and distributing control principle schematic diagram of the collecting and distributing control device of the large-scale discharging plasma reactor pulse power supply that Fig. 4 provides for the utility model.

Wherein: be 1 for big reactor;

1-1 to 1-16 is the little reactor that is divided into,

1-111 to 1-114 is four reactor groups,

2-1 to 2-4 is the high-power high-frequency pulse power to the 1-111 to 1-114 of reactor group power supply ^1.,

3-1 to 3-4 is the series connection positive electrode of reactor group,

4-1 to 4-4 is the current and voltage signals harvester,

5 is the control device of being made up of middle control computer.

Described " the high-power high-frequency pulse power ^1." (number of patent application is: 01275466.8).

Embodiment:

How to start with for the efficient that improves reactor from strengthening aspects such as power supply efficient, voltage, electric current in the past, but because the restriction of current collector element self ability to bear factor, adopt this mode to be difficult to reach ideal effect, no matter resonable the wheel still is in the actual application, all can reach ideal effect to the collecting and distributing control device of the large-scale discharging plasma reactor pulse power supply that the utility model provides.

Shown in Fig. 1-4, with a large-scale discharging plasma reactor 1, be divided into 16 with metallic plate and be shaped as circular or square little reactor 1-1,1-2 to 1-16, each little reactor is set to ducted body, it is anodal that a discharge is set in this little reactor 1-1 to 1-16, the anodal center that is arranged on this little reactor of this discharge.All shells of cutting apart the metallic plate of usefulness and reactor are fixed together and form the ground connection negative pole, again with the little reactor grouping in the large-scale discharging plasma reactor 1, constitute the reactor 1-111 to 1-114 of group, the positive pole of each little bank of reactor is cascaded and is 3-1 to 3-4, the connected mode of the described discharge positive pole that is provided with in little reactor 1-1,1-2 to 1-16 center is: vertically the positive pole with four little reactors that laterally face mutually is connected, every bank of reactor is powered by a high frequency pulse power supply 2-1 to 2-4, and high frequency pulse power supply is powered by three-phase alternating current; The output signal of this high frequency pulse power supply is by the 1-111 to 1-114 of input reactor group behind the signal pickup assembly 4-1 to 4-4, the output 4-11 to 4-14 of the signal pickup assembly of being made up of current signal feedback and voltage signal is connected with the input of the control device of being made up of middle control computer 5, the output 5-1 to 5-4 of this control device 5 is connected by bus interface modes with the input 2-11 to 2-14 of this high frequency pulse power supply, constitutes the collecting and distributing control device of these high frequency pulse power supply 2 power supplies.

Along with the electric current that detects high-frequency electrical pulses source output terminal 2-111 to 2-114, the variation of voltage signal size, during the input of the result that the collecting and distributing control device of this large-scale discharging plasma reactor pulse power supply will detect by the control device 5 be made up of middle control computer is input in the control computer, this signal to input is analyzed comparison, then the output 5-1 to 5-4 of appropriate execution signal by this control device 5 is input to this high frequency pulse power supply 2-1 to 2-4, input 2-1 to 2-4 by this high frequency pulse power supply is transferred to the 1-111 to 1-114 of this reactor group again, form closed-loop control, regulate and control the output signal of this high frequency pulse power supply 2 at any time.

The mode of in this patent big reactor being cut apart is very flexible, say in principle, the technological thought of this patent is that big reactor is divided into little reactor, and then little reactor powered respectively, the little reactor grouping that maybe will cut apart, and then, form for a short time from bigization respectively to the power supply of every group little reactor, reduced the power supply difficulty.About the partitioning scheme of reactor wired template, line barrel shape dual mode commonly used, as shown in Figure 1 to Figure 3.The line template be with metallic plate with big reactor horizontal flat vertically, become matrix type that big reactor is divided into little reactor; The line barrel shape is that big reactor is arranged to the little reactor of a plurality of drum types.Concrete structure can be referring to patent application case " the barrel-shaped streamer-discahrge flue gas desulphurization of vertical line wet reactor ".Theoretically, may be partitioned into the little reactor of countless a plurality of different shapes in big reactor, in fact Chang Yong dividing method is this big reactor to be divided into 2 be advisable to dozens of.Since in this patent with the load switched-mode power supply, concentrate closed-loop control again, greatly reduce the requirement of high power load to the components and parts of power supply, use novel power device, the described high frequency pulse power supply of this patent can be made into the high-frequency impulse module, directly, be particularly useful for large-scale capacitive load by the application of streamer-discahrge to occasions such as flue gas desulphurization, denitration, dedustings to the reactor power supply.

Claims

1, a kind of collecting and distributing control device of large-scale discharging plasma reactor pulse power supply, it is characterized in that: earlier large-scale discharging plasma reactor is divided into little reactor with metallic plate, each little reactor is a ducted body, it is anodal that a discharge is set in this ducted body, all shells of cutting apart the metallic plate of usefulness and reactor are fixed together and form the ground connection negative pole, again with the little reactor grouping in the reactor, constitute reactor group, the positive pole of every bank of reactor is cascaded, every bank of reactor is powered by a high frequency pulse power supply, and this high frequency pulse power supply is powered by three-phase alternating current; The output signal of this high frequency pulse power supply is by input reactor group behind the signal pickup assembly, the output of this signal pickup assembly is connected with the input of control device, the output of this control device is connected with the input of this high frequency pulse power supply, constitutes the collecting and distributing control device of this high frequency pulse power supply power supply.

2, the collecting and distributing control device of large-scale discharging plasma reactor pulse power supply as claimed in claim 1 is characterized in that: described signal pickup assembly is current signal feedback device and voltage signal feedback device.

3, the collecting and distributing control device of large-scale discharging plasma reactor pulse power supply as claimed in claim 1 is characterized in that: the output of described control device is that bus interface modes is connected with the connected mode of the input of this high frequency pulse power supply.

4, the collecting and distributing control device of large-scale discharging plasma reactor pulse power supply as claimed in claim 1, it is characterized in that: described little reactor be shaped as a kind of in square, rectangle, triangle, circle, ellipse, the polygon, described discharge electrode is arranged on the center of this little reactor.

5, the collecting and distributing control device of large-scale discharging plasma reactor pulse power supply as claimed in claim 1, it is characterized in that: the connected mode of the described discharge electrode that is provided with in little reactor center position is: the positive pole that laterally faces little reactor mutually is connected, the positive pole that vertically faces little reactor mutually is connected, laterally or vertically be connected in conjunction with facing little reactor positive pole mutually, the oblique positive pole that faces little reactor mutually is connected, the positive pole of the little reactor in lateral separation is connected, the positive pole of the little reactor of longitudinal separation is connected, be connected a kind of in the mode of the positive pole of the little reactor in oblique interval.