CN2618363Y - Streamer desulfurization and denitration power supply - Google Patents
Streamer desulfurization and denitration power supply Download PDFInfo
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- CN2618363Y CN2618363Y CN 03241694 CN03241694U CN2618363Y CN 2618363 Y CN2618363 Y CN 2618363Y CN 03241694 CN03241694 CN 03241694 CN 03241694 U CN03241694 U CN 03241694U CN 2618363 Y CN2618363 Y CN 2618363Y
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Abstract
The utility model relates to a streamer desulfurization and denitration power source, which comprises a middle-high frequency high voltage impulse direct current power source and a high voltage direct current power source which are in parallel connection, wherein the middle-high frequency high voltage direct current power source comprises a half controlled bridge rectifier, a bridge inverter, a high frequency high voltage convertor, and a high frequency high voltage rectifier; the high voltage direct current power source comprises a half controlled bridge rectifier, a bridge inverter, a high frequency high voltage convertor, a high frequency high voltage rectifier, and a wave filter, or comprises a controllable silicon main circuit, a electric reactor, a working frequency high voltage convertor, a bridge rectifier and a wave filter. The utility model solves the problems of worse reliability, high cost and short service life effectively in prior high voltage power source, and is applicable to the power supply source of the electric field reactor in the industrial waste gas treatment.
Description
One, technical field
The utility model belongs to a kind of high voltage source that is used to administer industrial waste gas, is specifically related to a kind of time desulphurization denitration power supply.
Two, background technology
At present, it is more to the high voltage source kind that industrial waste gas carries out the desulphurization denitration processing to be used for producing the time corona in the electric field reactor, wherein more representative high voltage source has following several: the one, with the high pressure desulphurization denitration power supply of electron beam scanning, because this power supply components and parts cost an arm and a leg, useful life is short, so its practical value is less.The 2nd, burst pulse high pressure desulphurization denitration power supply, the problem that this power supply exists is that the useful life of its burst pulse switching device is also very short, and adopt the capacitor charging to make power supply need jumbo transformer, the difficulty of cable and load matched design is increased, and heavy-current discharge can make capacitor damage easily simultaneously.The 3rd, alternating current-direct current overlapped in series high pressure desulphurization denitration power supply, because this power supply is that ac high voltage source and DC high-voltage power supply overlapped in series form, so the electric current by its high-tension transformer and semiconductor switch device when the positive and negative half cycle that exchanges differs greatly, consequently make the magnetic material of high-tension transformer be operated in the first quartile of BH curve, magnetic material is easily saturated, causes semiconductor switch device and high-tension transformer to damage easily; In addition, when high-voltage DC power supply breaks down or bridge rectifier when damaging open circuit, can make high-frequency and high-voltage alternating current output in vacant state, very easily cause discharge and cause high frequency and high voltage power supply to damage, simultaneously, its high-voltage DC power supply often adopts capacitor filtering, and is very high to the requirement of withstand voltage of capacitor.
Three, summary of the invention
The purpose of this utility model is to overcome the deficiency of prior art and a kind of time desulphurization denitration power supply is provided.
The purpose of this utility model realizes as follows: a kind of time desulphurization denitration power supply, pass through on line ad by medium-high frequency pulse dc power (A) and high-voltage DC power supply (B), bc is formed in parallel, wherein medium-high frequency high-pressure pulse direct current source (A) is by bridge type semi-control rectifier (1), bridge-type inverter (2), medium-high frequency high-tension transformer (3) and high-frequency and high-voltage rectifier (4) are formed, high-voltage DC power supply (B) is by bridge type semi-control rectifier (6), bridge-type inverter (7), medium-high frequency high-tension transformer (8) and high-frequency and high-voltage rectifier (9) and filter (10) are formed, connect the Z end of electric field reactor (5) after the one output a in medium-high frequency high-pressure pulse direct current source (A) and an output d of high-voltage DC power supply (B) link, connect the E end and the ground connection of electric field reactor (5) after another output c of another output b in medium-high frequency high-pressure pulse direct current source (A) and high-voltage DC power supply (B) links.
High-voltage DC power supply of the present utility model (B) also can be made up of controllable silicon major loop (11) reactor (12), power frequency high voltage transformer (13), high pressure bridge rectifier (14) and filter (15).
The secondary coil of medium-high frequency high-tension transformer of the present utility model (3) is made of multicomponent group coil n, each tapped-winding two end respectively with high-frequency and high-voltage rectifier (4) in the input of each bridge rectifier D join one by one.
Multicomponent group coil n in the secondary coil of medium-high frequency transformer of the present utility model (8)
1Constitute, each tapped-winding two end respectively with high-frequency and high-voltage rectifier (9) in each bridge rectifier D
1Input join one by one.
Filter of the present utility model (10), filter (15) all adopt inductance filter.
In the utility model, because medium-high frequency high-pressure pulse direct current source (A) is formed in parallel with high-voltage DC power supply (B), its output has an end altogether, therefore break down or high voltage direct current source output terminal when opening a way when high-voltage DC power supply, medium-high frequency high-pressure pulse direct current source still can operate as normal, and the reliability of power supply improves greatly; Simultaneously, in high-voltage DC power supply (B), adopt inductance filter, not only can solve the drawback that adopts capacitor filtering, and reduced the cost of filter; In addition, because the secondary coil of high frequency high voltage transformer (3), (8) is made of multicomponent group coil,, the insulating requirements of transformer is reduced, thereby reduce cost through the dividing potential drop of each tapped-winding.Compared with prior art, the utlity model has advantages such as stable and reliable for performance, that cost is low, the life-span is long.
Four, description of drawings
Fig. 1 is a frame principle figure of the present utility model.Among the figure: A represents medium-high frequency high-pressure pulse direct current source; 1 expression bridge type semi-control rectifier; 2 expression bridge-type inverters; 3 expression high frequency high voltage transformers; 4 expression high-frequency and high-voltage rectifiers; B represents high-voltage DC power supply; 5 expression electric field reactors; 6 expression bridge type semi-control rectifiers; 7 expression bridge-type inverters; 8 expression high frequency high voltage transformers; 9 expression high-frequency and high-voltage rectifiers; 10 expression filters.
Fig. 2 is the block diagram of another kind of high-voltage DC power supply of the present utility model (B).Among the figure: 11 expression controllable silicon major loops; 12 expression reactors; 13 expression power frequency high voltage transformers; 14 expression high pressure bridge rectifiers; 15 expression filters.
Fig. 3 is a circuit diagram of the present utility model.
Fig. 4 is the circuit diagram of the high-voltage DC power supply (B) among Fig. 2.
Five, embodiment
The utility model will be further described below with reference to accompanying drawing.
As Fig. 1, shown in Figure 3, time desulphurization denitration power supply passes through on line ad by medium-high frequency high-pressure pulse direct current source (A) and high-voltage DC power supply (B), bc is formed in parallel, wherein medium-high frequency high-pressure pulse direct current source (A) is by three-phase semi-controlled bridge type rectifier (1), full-bridge type inverter (2), high frequency high voltage transformer (3), high-frequency and high-voltage rectifier (4) constitutes, high-voltage DC power supply (B) is by single-phase bridge half-control rectifier (6), full-bridge type inverter (7), high frequency high voltage transformer (8), high-frequency and high-voltage rectifier (9), inductance filter (10) constitutes, connect the Z end of electric field reactor (5) after the one output a in medium-high frequency high-pressure pulse direct current source (A) and an output d of high-voltage DC power supply (B) link, connect the E end and the ground connection of electric field reactor (5) after another output c of another output b in medium-high frequency high-pressure pulse direct current source (A) and high-voltage DC power supply (B) links.Wherein the switch element of full-bridge type inverter (2) adopts turn-off SCR to constitute, and the switch element of full-bridge type inverter (7) adopts IPM integrated semiconductor power device module to constitute, and above-mentioned switch element has advantages such as reliability height, cost is low, the life-span is long.High-voltage DC power supply (B) also can be made up of controllable silicon major loop (11), reactor (12), power frequency high voltage transformer (B), high pressure bridge rectifier (14) and filter (15), as Fig. 2, shown in Figure 4.When at bridge type semi-control rectifier (1), when (6) input is imported 50Hz three-phase and single phase alternating current (A.C.) signal respectively, the three-phase alternating current signal of telecommunication is imported full-bridge type inverter (2) behind bridge type semi-control rectifier (1) rectifying and wave-filtering, to high frequency high voltage transformer (3) power supply, transport to electric field reactor (5) after the bridge rectifier D rectification that each both positive and negative polarity is connected mutually in high-frequency and high-voltage rectifier (4) through the LC series resonant circuit again; The single phase alternating current (A.C.) signal to full-bridge type inverter (7) power supply, to high frequency high voltage transformer (8) power supply, through rectifying and wave-filtering after is transported to electric field reactor (5) from the signal of this transformer secondary output output through the LC resonant circuit after bridge type semi-control rectifier (6) rectification simultaneously.In like manner, AC signal also can be powered to electric field reactor (5) through controllable silicon major loop (11), reactor (12), power frequency high voltage transformer (13), bridge rectifier (14), inductance filter (15) successively.
In the utility model, medium-high frequency transformer adopting amorphous or crystallite magnetic material, its primary and secondary turn ratio is 1: 200～1: 350, secondary coil is divided into 6～10 component group coils; The high-frequency rectification diode adopts BY type diode; Filter inductance adopts amorphous or the coiling of crystallite magnetic material, and the number of turn is 200～500.According to such scheme, can obtain one 4～80,000 volts high-voltage DC power supply and 5～12 volts medium-high frequency high-voltage dc pulse power, pulse frequency is 1000～20000Hz.
Claims (6)
1. time desulphurization denitration power supply, it is characterized in that it by medium-high frequency pulse dc power (A) and high-voltage DC power supply (B) by on line ad, bc is formed in parallel, wherein medium-high frequency high-pressure pulse direct current source (A) is by bridge type semi-control rectifier (1), bridge-type inverter (2), medium-high frequency high-tension transformer (3) and high-frequency and high-voltage rectifier (4) are formed, high-voltage DC power supply (B) is by bridge type semi-control rectifier (6), bridge-type inverter (7), medium-high frequency high-tension transformer (8) and high-frequency and high-voltage rectifier (9) and filter (10) are formed, connect the Z end of electric field reactor (5) after an output a in medium-high frequency high-pressure pulse direct current source (A) and an output d of high-voltage DC power supply (B) link, the E end that connects electric field reactor (5) after another output c of another output b in medium-high frequency high-pressure pulse direct current source (A) and high-voltage DC power supply (B) links is ground connection also.
2. time desulphurization denitration power supply according to claim 1 is characterized in that high-voltage DC power supply (B) is made up of controllable silicon major loop (11), reactor (12), power frequency high voltage transformer (13), high pressure bridge rectifier (14) and filter (15).
3. time desulphurization denitration power supply according to claim 1 and 2, the secondary coil that it is characterized in that medium-high frequency transformer (3) is made of multicomponent group coil n, each tapped-winding two end respectively with high frequency vertoro (4) in the input of each bridge rectifier D join one by one.
4. time desulphurization denitration power supply according to claim 1, the secondary coil that it is characterized in that medium-high frequency transformer (8) is by multicomponent group coil n
1Constitute, each tapped-winding two end respectively with high-frequency and high-voltage rectifier (9) in each bridge rectifier D
1Input join one by one.
5. time desulphurization denitration power supply according to claim 1 is characterized in that filter (10) is an inductance filter.
6. time desulphurization denitration power supply according to claim 1 and 2 is characterized in that filter (15) is an inductance filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03241694 CN2618363Y (en) | 2003-03-20 | 2003-03-20 | Streamer desulfurization and denitration power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03241694 CN2618363Y (en) | 2003-03-20 | 2003-03-20 | Streamer desulfurization and denitration power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2618363Y true CN2618363Y (en) | 2004-05-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03241694 Expired - Fee Related CN2618363Y (en) | 2003-03-20 | 2003-03-20 | Streamer desulfurization and denitration power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2618363Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102624102A (en) * | 2012-04-11 | 2012-08-01 | 东展科博(北京)电气有限公司 | Power supplying circuit and power supplying method for chain-type SVG (static var generator) modules |
| CN102931664A (en) * | 2012-10-26 | 2013-02-13 | 株洲变流技术国家工程研究中心有限公司 | Chain type SVG (static var generator) device low-pressure power supply system |
-
2003
- 2003-03-20 CN CN 03241694 patent/CN2618363Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102624102A (en) * | 2012-04-11 | 2012-08-01 | 东展科博(北京)电气有限公司 | Power supplying circuit and power supplying method for chain-type SVG (static var generator) modules |
| CN102931664A (en) * | 2012-10-26 | 2013-02-13 | 株洲变流技术国家工程研究中心有限公司 | Chain type SVG (static var generator) device low-pressure power supply system |
| CN102931664B (en) * | 2012-10-26 | 2015-07-22 | 株洲变流技术国家工程研究中心有限公司 | Chain type SVG (static var generator) device low-pressure power supply system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |