CN1243026A - Desulfurizing and denitrating method, apparatus and use - Google Patents
Desulfurizing and denitrating method, apparatus and use Download PDFInfo
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- CN1243026A CN1243026A CN 98116817 CN98116817A CN1243026A CN 1243026 A CN1243026 A CN 1243026A CN 98116817 CN98116817 CN 98116817 CN 98116817 A CN98116817 A CN 98116817A CN 1243026 A CN1243026 A CN 1243026A
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Abstract
The present invention provides a desulfurizing denitration method, and its equipment and its application. It is characterized by the repetition frequency electric pulse produced by compressing rotationary magnetic flux or compressed repetition frequency electric pulse is fed into accelerator, and accelerated, then is fed into a reactor in which the waste gases of NOx and SOx, etc. are held, and resulted in production of chain chemical reaction to produce the chemical fertilizers of nitrogen fertilizer and ammonium phosphate, etc.. Said invented equipment includes rotationary magnetic flux compression pulse power generator and reactor, also includes pulse compression system and accelerator. Said invention raises the desulfurizing denitration efficiency, reduces the electric consumption of the equipment, and its cost is low and technical reliability is high.
Description
The present invention relates to desulfurization and go to nitre, electrostatic precipitator technology field, and drive accelerator.
The NO that coal-fired (oil) power plant produces
x, SO
xEnter atmosphere Deng waste gas, form acid rain, jeopardize forests, crops, lake, building, destroy ecological environment, eight big one of threaten that are listed in that global environment faces.In China, this problem is more serious: national acid rain area coverage has accounted for about 40%, and the direct losses that annual acid rain causes are above 10,000,000,000 yuan.But in one quite long period, the energy of China must lean on based on the thermal power generation of fire coal and keep.Therefore, must reduce the pollution that thermal power plant produces.Traditional solution has chemical methodes such as catalytic desulfurization, and physical methods such as nitre are removed in static and electron beam desulfurization.But, adopting its normalization consumption rate of chemical method (ratio of the total electric weight that sends with the energy and the power plant of this method consumption) is 15%-30%, normalization output investment ratio (with the ratio of investment with power plant's gross investment of this method) is 20%-30%, has increased the operation cost of power plant.Physical method then can't be popularized because power consumption is too big, operating cost is too high and the normalization output investment ratio is too high.
Use each field at the electrostatic precipitation that improves environmental quality in addition, the impulse electric corona technology has been proved to be and has been the method the most effective, that operating cost is minimum.But can't be used widely owing to lack low cost, the high reliability pulse power.
The object of the present invention is to provide a kind of investment and operation cost low, the desulfurization denitrating method that engineering reliability is high and device thereof and uses thereof are in order to transform the NO that fire coal (oil) power plant produces
x, SO
xDeng waste gas is useful chemical fertilizer, is used to improve the electrostatic precipitation field of environmental quality and is used to drive accelerator.
The present invention realizes in the following ways.
The inventive method is the repetition rate electric pulse that the rotating magnetic flux compression produces directly to be sent into NO is housed
x, SO
xIn the reactor Deng waste gas, or after the repetition rate electric pulse compression with rotating magnetic flux compression generation, send into NO is housed
x, SO
xIn the reactor Deng waste gas, or after the repetition rate electric pulse compression with rotating magnetic flux compression generation, drive accelerator electronics is quickened, NO is equipped with in incident then
x, SO
xIn the reactor Deng waste gas, cause the chain type chemical reaction, produce chemical fertilizer such as nitrogenous fertilizer and ammonium sulfate.
Apparatus of the present invention comprise rotating magnetic flux compression pulse generator and reactor, can comprise the electric pulse compressibility, also can comprise accelerator.Be provided with external excitation magnetic flux loop in the rotating magnetic flux compression pulse generator.External excitation magnetic flux loop excitation by the space coupling, is coupled magnetic flux to the rotor winding of rotating magnetic flux compression pulse generator.Rotating magnetic flux compression pulse generator can directly be connected with the waste gas reaction device, and the electric pulse compressibility can be set between generator and reactor, can also be connected accelerator between electric pulse compressibility and reactor.Rotating magnetic flux compression pulse generator by many groups can its locus of cyclomorphosis windings in series constitute, its flow direction can be used the axial field formula, to improve performance such as compression ratio.
The present invention not only is used for desulfurization and goes the nitre application, also can be used for the electrostatic precipitator technology field and drives accelerator.
The present invention adopts repetitive frequency pulsed corona technology and pulsed electron beam technology to carry out desulfurization and removes nitre, has improved desulfurization and has gone nitre efficient, thereby reduced the power consumption that installs.Use repetitive frequency pulsed corona technology and pulsed electron beam technology respectively the normalization consumption rate to be reduced to below 2.6% and 1%.
Rotating magnetic flux compression pulse generator collection inertia energy storage, energy converting between mechanical and shaping pulse in apparatus of the present invention are one, have the characteristics of inductive energy storage simultaneously concurrently.Compare in existing method, it has can be comparable with the Power Plant life-span, easily to characteristics such as big capacity development, is difficult to big capacity development and this global difficult problem of long-life thereby directly solve domestic and international treatment system.The present invention carries external excitation magnetic flux loop and the magnetic flux compressibility is separate, by the mode of space coupling magnetic flux, solved current impulseization, with the low voltage control high pressure, with a series of technical barriers such as the big electric currents of little Current Control.Simultaneously, apparatus of the present invention also have switch performance, reliable, the low advantage of investment.Also has above-mentioned advantage being used for the electrostatic precipitation field.
The invention will be further described below in conjunction with accompanying drawing.
Accompanying drawing 1, operation principle flow chart of the present invention.Wherein, 1-Exciting Windings for Transverse Differential Protection, 2-rotor winding, 3-slip ring, 4-stator winding, 5-rotating magnetic flux compression pulse generator, 6-electric pulse compressibility, 7-accelerator, 8-reactor.
Accompanying drawing 2, rotating magnetic flux compression pulse generator operation principle schematic.Wherein, 9-exciting capacity, 10-controllable silicon.
Referring to accompanying drawing, external excitation magnetic flux loop is made of Exciting Windings for Transverse Differential Protection 1, exciting capacity 5 and controllable silicon 6.Magnetic flux compresses needed original magnetic flux by external excitation magnetic flux loop excitation independently, by the space coupling magnetic flux is coupled to rotor winding 2.Stator winding 2 is connected by slip ring 3 with rotor winding 4, and the magnetic flux compression that rotor winding 2 is received produces pulse current.Discharge by control Exciting Windings for Transverse Differential Protection 1 comes the frequency of control impuls power supply and the amplitude of pulse current.
The repetition rate electric pulse that rotating magnetic flux compression pulse generator 5 rotating magnetic flux compressions is produced directly or become the current impulse of pulse width 1 μ s-10ms after 6 compressions of electric pulse compressibility is sent into NO is housed
x, SO
xH
2O, NH
3Reactor 8 Deng waste gas carries out corona discharge pulse, produces free groups such as OH, causes the chain type chemical reaction, produces chemical fertilizer such as nitrogenous fertilizer and sulfate of ammoniac.One chain type chemical reaction finishes, and follow-up electric pulse then injects.The energy pulsesization of transmitting reduces the mean power that is consumed greatly.
Or after repetition rate electric pulse passages through which vital energy circulates punching press compression system 6 compressions that above-mentioned rotating magnetic flux compression pulse generator 5 is sent, send into accelerator 7, and driving accelerator electronics is quickened electron beam group into about 0.2-0.8MeV, pulse width 1 μ s-10ms, NO is equipped with in incident
x, SO
xH
2O, NH
3Deng the reactor 8 of mix waste gas, produce free groups such as OH, cause the chain type chemical reaction, produce chemical fertilizer such as nitrogenous fertilizer and sulfate of ammoniac.One chain type chemical reaction finishes, and follow-up electron beam group then injects.The energy pulsesization of transmitting reduces the mean power that is consumed greatly.
Experimentally, available synchrotron radiation light is accurately measured the course of reaction of flue gas corona discharge pulse, with the course of reaction of electron beam and flue gas, determine the reaction rate and the reaction cross-section of each product, be used for optimizing repeat pulse power, DESIGN OF REACTOR and construction; For the construction of optimizing repetition pulse electron beam and corona unit provides theoretical foundation.
Rotating magnetic flux compression pulse generator by many groups can its locus of cyclomorphosis winding constitute by polyphone, cycle changes its inductance with the variation of winding space position, when winding inductance diminished, magnetic linkage was kept the generation that pulse current is arranged in the weighing apparatus law decision winding; When winding inductance diminished, electric current diminished, implement device from switch performance.Exciting Windings for Transverse Differential Protection itself also can be participated in the process of magnetic compression in addition.
Claims (4)
1. desulfurization denitrating method, it is characterized in that: the repetition rate electric pulse that the rotating magnetic flux compression produces is directly sent into reactor, or after the repetition rate electric pulse compression with rotating magnetic flux compression generation, send into reactor, or after the repetition rate electric pulse compression with rotating magnetic flux compression generation, drive accelerator electronics is quickened, the incident reactor causes the chain type chemical reaction then.
2. device of realizing above-mentioned desulfurization denitrating method, it is characterized in that it comprises rotating magnetic flux compression pulse generator [5] and reactor [8], also can comprise electric pulse compressibility [6], can also comprise accelerator [7], be provided with external excitation magnetic flux loop in the rotating magnetic flux compression pulse generator [5], external excitation magnetic flux loop excitation, be coupled by the space, magnetic flux is coupled to the rotor winding of rotating magnetic flux compression pulse generator [5], rotating magnetic flux compression pulse generator [5] can directly be connected with reactor [8], between generator [5] and the reactor [8] electric pulse compressibility [6] can be set, can also between electric pulse compressibility [6] and reactor [8], be connected accelerator [7].
3. device as claimed in claim 2, the flow direction that it is characterized in that said rotating magnetic flux compression pulse generator can be to use the axial field formula.
4. the purposes of desulfurization denitrating method and device is characterized in that can be used for the electrostatic precipitator technology field, and drives accelerator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98116817A CN1116915C (en) | 1998-07-24 | 1998-07-24 | Desulfurizing and denitrating method, apparatus and use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98116817A CN1116915C (en) | 1998-07-24 | 1998-07-24 | Desulfurizing and denitrating method, apparatus and use |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1243026A true CN1243026A (en) | 2000-02-02 |
| CN1116915C CN1116915C (en) | 2003-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN98116817A Expired - Fee Related CN1116915C (en) | 1998-07-24 | 1998-07-24 | Desulfurizing and denitrating method, apparatus and use |
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|---|---|
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5066316A (en) * | 1989-10-06 | 1991-11-19 | Niles Parts Co., Ltd. | Exhaust gas purifying apparatus |
| JP2694911B2 (en) * | 1989-11-10 | 1997-12-24 | 住友重機械工業株式会社 | Exhaust gas desulfurization / denitration equipment |
| JP3101744B2 (en) * | 1992-02-27 | 2000-10-23 | 三井造船株式会社 | Exhaust gas treatment method and exhaust gas treatment device |
| JP2741464B2 (en) * | 1992-09-24 | 1998-04-15 | 三井造船株式会社 | Exhaust gas treatment apparatus and method |
| JP3221120B2 (en) * | 1992-12-25 | 2001-10-22 | ソニー株式会社 | Decryption device |
| JP3103027B2 (en) * | 1995-11-27 | 2000-10-23 | 株式会社荏原製作所 | Exhaust gas treatment method and apparatus using ammonia in sewage |
-
1998
- 1998-07-24 CN CN98116817A patent/CN1116915C/en not_active Expired - Fee Related
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|---|---|
| CN1116915C (en) | 2003-08-06 |
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