Utility model content
The purpose of this utility model is to provide a kind of integrated apparatus and high voltage source thereof of dust-removal and desulfurizing denitration, requires and the requirement of dedusting to realize pulse duration required by constriction high-voltage pulse width to desulphurization denitration.
A kind of high voltage source, comprises high voltage direct current source apparatus, high pressure coupling capacitance, pulse generating unit, also comprises:
Compression device;
Described compression device comprises the narrowing circuit be composed in series by an electric capacity and a magnetic compression switch;
Described high pressure coupling capacitance is connected by compression device with between described pulse generating unit;
Wherein, described high pressure coupling capacitance is connected with the described magnetic compression switch of the described narrowing circuit be adjacent;
Described pulse generating unit is connected with the described electric capacity of the described narrowing circuit be adjacent.
Preferably, described compression device is that the series connection of two or more narrowing circuit is formed.
Preferably, the reactor of described high voltage direct current source apparatus is inductance or damping resistance.
Preferably, the voltage regulator of described high voltage direct current source apparatus is single-phase silicon-controlled, insulated gate bipolar transistor or three-phase controllable silicon voltage regulator.
Preferably, the main switching device of described pulse generating unit is controllable silicon or insulated gate bipolar transistor.
An integrated apparatus for dust-removal and desulfurizing denitration, comprises high voltage source as described above.
Preferably, described compression device is that the series connection of two or more narrowing circuit is formed.
Preferably, the reactor of described high voltage direct current source apparatus is inductance or damping resistance.
Preferably, the voltage regulator of described high voltage direct current source apparatus is single-phase silicon-controlled, insulated gate bipolar transistor or three-phase controllable silicon voltage regulator.
Preferably, the main switching device of described pulse generating unit is controllable silicon or insulated gate bipolar transistor.
Therefore, the utility model has following beneficial effect:
In the integrated apparatus of a kind of dust-removal and desulfurizing denitration disclosed in the utility model and high voltage source thereof, high voltage direct current source apparatus provides high voltage direct current basic voltage; Pulse generating unit provides high-voltage pulse; High-voltage pulse width compresses by compression device; High pressure coupling capacitance is used for the high-voltage pulse after high voltage direct current basic voltage stacked compression.Thus, the utility model achieves the pulse duration requirement required by constriction high-voltage pulse width to desulphurization denitration.Further, the superimposed pulses after compression on high voltage direct current basic voltage, is realized the requirement of dedusting by high pressure coupling capacitance.
Embodiment
Core of the present utility model is to provide a kind of integrated apparatus and high voltage source thereof of dust-removal and desulfurizing denitration.
In order to make those skilled in the art person understand scheme of the present utility model better, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Set forth detail in the following description so that fully understand the utility model.But the utility model can be different from alternate manner described here to implement with multiple, those skilled in the art can when doing similar popularization without prejudice to when the utility model intension.Therefore the utility model is not by the restriction of following public concrete enforcement.
The utility model discloses a kind of high voltage source, see Fig. 1, this embodiment comprises following content:
High voltage direct current source apparatus 10, high pressure coupling capacitance 20, pulse generating unit 30, also comprise compression device 40.Concrete, see Fig. 2, described compression device 40 comprises the narrowing circuit 41 be composed in series by an electric capacity 412 and a magnetic compression switch 411.Concrete, the electric capacity that compression device comprises is high-voltage capacitance.
Wherein, the annexation of various piece is: high voltage direct current source apparatus is connected with high pressure coupling capacitance; Described high pressure coupling capacitance is connected by compression device with between described pulse generating unit; Wherein, described high pressure coupling capacitance is connected with the described magnetic compression switch of the described narrowing circuit be adjacent; Described pulse generating unit is connected with the described electric capacity of the described narrowing circuit be adjacent.
Certainly, under the application scenarios of reality, between high voltage direct current source apparatus and high pressure coupling capacitance, need load 50 to connect.
In high voltage source disclosed in the utility model, high voltage direct current source apparatus provides high voltage direct current basic voltage; Pulse generating unit provides high-voltage pulse; High-voltage pulse width compresses by compression device; High pressure coupling capacitance is used for the high-voltage pulse after high voltage direct current basic voltage stacked compression.Thus, the utility model achieves the object of the pulse duration required by constriction high-voltage pulse width to desulphurization denitration.Further, the superimposed pulses after compression on high voltage direct current basic voltage, is realized the requirement of dedusting by high pressure coupling capacitance.
The utility model discloses a kind of high voltage source, this embodiment comprises following content:
High voltage direct current source apparatus, high pressure coupling capacitance, pulse generating unit, also comprise compression device.Concrete, see Fig. 2, described compression device 40 comprises the narrowing circuit 41 be composed in series by an electric capacity 412 and a magnetic compression switch 411.Concrete, the electric capacity that compression device comprises is high-voltage capacitance.Under concrete scene, the described electric capacity be connected with pulse generating unit also can be pulse forming line, is separated placement with what realize pulse generating unit and magnetic compression switch.
Concrete, high voltage direct current source apparatus is powered by power frequency three-phase alternating current or power frequency single-phase alternating current.It through boosting and rectification, then by reactor, finally exports high voltage direct current after silicon controlled pressure regulation.Preferably, when the direct voltage exported when rectifier bridge in pulse generating unit 30 is less than 6kv, main switching device controllable silicon can replace with IGBT insulated gate bipolar transistor, to realize the less turn-off time.
The reactor of described high voltage direct current source apparatus is inductance or damping resistance in a further embodiment, to reduce the impact of load to high voltage direct current source apparatus.
The voltage regulator of described high voltage direct current source apparatus is single-phase silicon-controlled, insulated gate bipolar transistor or three-phase controllable silicon voltage regulator in other examples.The main switching device of pulse generating unit is controllable silicon or insulated gate bipolar transistor.
Wherein, the annexation of various piece is: high voltage direct current source apparatus is connected with high pressure coupling capacitance; Described high pressure coupling capacitance is connected by compression device with between described pulse generating unit; Wherein, described high pressure coupling capacitance is connected with the described magnetic compression switch of the described narrowing circuit be adjacent; Described pulse generating unit is connected with the described electric capacity of the described narrowing circuit be adjacent.
Certainly, under the application scenarios of reality, between high voltage direct current source apparatus and high pressure coupling capacitance, need load to connect.
Under a concrete scene, see Fig. 3, described compression device 40 is that the series connection of plural narrowing circuit 41 is formed.Certainly, under other actual scene, also can be that two narrowing circuit series connection are formed.
The invention also discloses a kind of integrated apparatus of dust-removal and desulfurizing denitration, comprise the high voltage source as described in above-described embodiment.
Concrete, its high voltage source comprises high voltage direct current source apparatus, high pressure coupling capacitance, pulse generating unit, also comprises compression device.Described compression device comprises the narrowing circuit be composed in series by an electric capacity and a magnetic compression switch.Concrete, the electric capacity that compression device comprises is high-voltage capacitance.
Wherein, the annexation of various piece is: high voltage direct current source apparatus is connected with high pressure coupling capacitance; Described high pressure coupling capacitance is connected by compression device with between described pulse generating unit; Wherein, described high pressure coupling capacitance is connected with the described magnetic compression of the described narrowing circuit be adjacent; Described pulse generating unit is connected with the described capacitance switch of the described narrowing circuit be adjacent.
Certainly, under the application scenarios of reality, between high voltage direct current source apparatus and high pressure coupling capacitance, need load to connect.
In the integrated apparatus of dust-removal and desulfurizing denitration disclosed in the utility model, high voltage direct current source apparatus provides high voltage direct current basic voltage; Pulse generating unit provides high-voltage pulse; High-voltage pulse width compresses by compression device; High pressure coupling capacitance is used for the high-voltage pulse after high voltage direct current basic voltage stacked compression.Thus, the utility model achieves the object of the pulse duration required by constriction high-voltage pulse width to desulphurization denitration.Further, the superimposed pulses after compression on high voltage direct current basic voltage, is realized the requirement of dedusting by high pressure coupling capacitance.
The invention also discloses a kind of integrated apparatus of dust-removal and desulfurizing denitration, comprise the high voltage source as described in above-described embodiment.
Under a concrete scene, described compression device is that the series connection of two or more narrowing circuit is formed.
The reactor of described high voltage direct current source apparatus is inductance or damping resistance in a further embodiment.
The voltage regulator of described high voltage direct current source apparatus is single-phase silicon-controlled, insulated gate bipolar transistor or three-phase controllable silicon voltage regulator in other examples.The main switching device of pulse generating unit is controllable silicon or insulated gate bipolar transistor.
The annexation of concrete various piece please refer to specific embodiment and the respective drawings of above-mentioned high voltage source, and the utility model does not repeat them here.
It should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.
Above the integrated apparatus of a kind of dust-removal and desulfurizing denitration provided by the utility model and high voltage source thereof are described in detail.Apply specific case herein to set forth principle of the present utility model and execution mode, the explanation of above embodiment just understands principle of the present utility model and core concept thereof for helping.Should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model principle, can also carry out some improvement and modification to the utility model, these improve and modify and also fall in the protection range of the utility model claim.