CN204601964U - A kind of plasma flue gas desulfurization denitration dust-removing demercuration integrated apparatus - Google Patents
A kind of plasma flue gas desulfurization denitration dust-removing demercuration integrated apparatus Download PDFInfo
- Publication number
- CN204601964U CN204601964U CN201520308004.6U CN201520308004U CN204601964U CN 204601964 U CN204601964 U CN 204601964U CN 201520308004 U CN201520308004 U CN 201520308004U CN 204601964 U CN204601964 U CN 204601964U
- Authority
- CN
- China
- Prior art keywords
- plasma
- electric field
- flue gas
- cohesion
- power supply
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Treating Waste Gases (AREA)
- Plasma Technology (AREA)
Abstract
The utility model discloses a kind of plasma flue gas desulfurization denitration dust-removing demercuration integrated apparatus, comprise housing, purifier and control system; Wherein, purifier is arranged in housing, comprise coacervation device and plasma reaction device, coacervation device comprises for the formation of the cohesion electric field arrangement of cohesion electric field and the rinse water arrangement of rinsing for providing the reaction water device of water fog particle, plasma reaction device to comprise the plasma electric field device and carrying out for the pollutant that article on plasma electric field arrangement is collected for the formation of plasma reaction electric field to cohesion electric field; Control system comprises cohesion power supply, plasma power supply and the controller for controlling reaction water device injection flow rate and Power supply power; Said apparatus not only structure is simple, and floor space is little, and have employed wet method reaction, and can form aerosol, be SO
2, NO
xabsorption Deng gas pollutant provides reaction surface, improves reaction efficiency, reduces energy consumption and cost, has better economy.
Description
Technical field
The utility model relates to flue gas purifying equipment technical field, particularly a kind of plasma flue gas desulfurization denitration dust-removing demercuration integrated apparatus.
Background technology
In recent years, because environmental protection work situation is increasingly serious, the pollutant emission standard of country and local appearance is further strict, not only SO
2, NO
xand the concentration of emission limit value of traditional pollutant such as dust reduces further, in future, also to the mercury in flue gas and PM2.5, control overflow can be proposed.
In order to meet the pollutant emission standard improved constantly, the industrial smoke discharge enterprises such as thermal power plant are after going through each environmental protection upgrading, on-site often land used is nervous, therefore, the plasma flue gas that a kind of novel floor space is less is multiple stains the focus that thing integrated purifying technology becomes people's concern.In prior art, plasma flue gas is multiple stain thing integrated purifying technology be utilize gas discharge to produce plasma to produce the technology of chemical reaction.Gas discharge produces plasma between electrode, and the molecule of neutrality is excited into free radical, then utilizes free radical by SO
2become SO
3, NO
xbecome HNO
3, simple substance Hg becomes HgO.SO
3and HNO
3can further with the NH added in reactor
3gas changes into ammonium sulfate and ammonium nitrate, ammonium sulfate, ammonium nitrate and HgO are solid matters, be collected in the electrostatic field that can produce at gas discharge, thus realize the desulfur denitrate dust collecting function of flue gas, but the chemical reaction of above-mentioned technology occurs in the gas phase, it is dry type reaction, the energy consumption of device is higher, and power consumption is about 2% of power generating capacity.Although there is the linguistic term to the method recently, plasma combined catalyst is removed SO
2and NO
x, but the preparation of catalyst is complicated, expensive, is not suitable for large-scale engineer applied.
Therefore, how a kind of flue gas desulfurization denitration dust-removing device is provided, makes it have lower energy consumption and cost, there is better economy, become the important technological problems that those skilled in the art are urgently to be resolved hurrily.
Utility model content
In view of this, the utility model provides a kind of plasma flue gas desulfurization denitration dust-removing demercuration integrated apparatus, makes it have lower energy consumption and cost, have the object of better economy to reach.
For achieving the above object, the utility model provides following technical scheme:
A kind of plasma flue gas desulfurization denitration dust-removing demercuration integrated apparatus, comprising:
Housing, be provided with the outlet for being communicated with flue and entrance, bottom is provided with discharge outlet;
Be arranged on the purifier in described housing, comprise the coacervation device and plasma reaction device that distribute along described housing inlet port to Way out, described coacervation device comprises for the formation of the cohesion electric field cohesion electric field arrangement that makes the particulate material in flue gas charged and for providing the reaction water device of water fog particle to cohesion electric field, and described plasma reaction device comprises the rinse water arrangement of rinsing for the formation of the plasma electric field device of plasma reaction electric field and the pollutant for collecting described plasma electric field device;
Control system, comprises the cohesion power supply for powering to described cohesion electric field arrangement, for the plasma power supply of powering to described plasma electric field device and the controller for controlling reaction water device injection flow rate and cohesion power supply and plasma power supply output power.
Preferably, described cohesion electric field arrangement and described plasma electric field device include fixing length direction on the housing and to arrange along described housing inlet port to Way out and width is arranged perpendicular to the multiple parallel ground connection pole plate of paper and is positioned at the discharge plume that center arranged by adjacent two ground connection pole plates.
Preferably, described rinse water arrangement is comprised the flushing water be connected with water source by supply channel and divides water distributor, the top of the ground connection pole plate row that described flushing water divides water distributor to be arranged on described plasma electric field device, is provided with multiple apopore along flow of flue gas directional spreding.
Preferably, the power supply polarity of described cohesion power supply is positive pole, and the rated voltage of DC base voltage part is 50kV, and pulse voltage is 50KV, and pulse front edge is less than 100ms, and repetition rate is greater than 100Hz.
Preferably, the power supply polarity of described plasma power supply is negative pole, and the rated voltage of DC base voltage part is 50kV, and pulse voltage is 50KV, and pulse front edge is less than 100ns, and pulsewidth is less than 500ns, repetition rate 1000Hz.
Preferably, the heteropole distance of described cohesion electric field arrangement and described plasma electric field device is 150mm.
Preferably, multiple discharge tip that described discharge plume comprises line body and the online body both sides that distribute are arranged towards described ground connection pole plate.
Preferably, the distance between two neighbouring discharge tips of described line body homonymy is 1.2 ~ 1.4 times of heteropole distance.
Preferably, described housing comprises gas cleaning conversion zone, gas feed diffuser, gas vent contraction section and sewage collecting bucket, described purifier is arranged on described gas cleaning conversion zone, described gas feed diffuser, described gas vent contraction section and described sewage collecting bucket are the frustum structure with large end and small end, the entrance of described housing and outlet are separately positioned on the small end of described gas feed diffuser and the small end of described gas vent contraction section, the large end of described gas feed diffuser and the large end of described gas vent contraction section are connected to the two ends of described gas cleaning conversion zone, the discharge outlet of described housing is arranged on the small end of described sewage collecting bucket, the large end of described sewage collecting bucket is communicated with the bottom of described gas cleaning conversion zone.
Preferably, airflow uniform distribution plate is provided with between described gas cleaning conversion zone and described gas feed diffuser and between described gas cleaning conversion zone and described gas vent contraction section.
Preferably, described control system also comprises the pressure sensor and temperature sensor that are connected with described controller, between described cohesion electric field arrangement all in described housing of the end of probe of described pressure sensor and described temperature sensor and described plasma electric field device.
Preferably, described control system also comprises the pollutant levels sensor be connected with described controller, and the end of probe of described pollutant levels sensor is arranged on the exit of described housing.
As can be seen from technique scheme, the plasma flue gas desulfurization denitration dust-removing demercuration integrated apparatus that the utility model provides, comprises housing, purifier and control system; Wherein, housing is provided with the outlet for being communicated with flue and entrance, bottom is provided with discharge outlet; Purifier is arranged in housing, comprise the coacervation device and plasma reaction device that distribute along housing inlet port to Way out, coacervation device comprises for the formation of the cohesion electric field cohesion electric field arrangement that makes the particulate material in flue gas charged and for providing the reaction water device of water fog particle to cohesion electric field, and plasma reaction device comprises the rinse water arrangement that the plasma electric field device and carrying out for the pollutant that article on plasma electric field arrangement is collected for the formation of plasma reaction electric field rinses; Control system comprises cohesion power supply for powering to cohesion electric field arrangement, for the plasma power supply of powering to plasma electric field device and the controller for controlling reaction water device injection flow rate and cohesion power supply and plasma power supply output power;
In use, when containing dust, SO
2, NO
x, the pollutant such as mercury and PM2.5 flue gas by housing inlet port enter in housing condense cohesion electric field that electric field arrangement formed time, the water smoke sprayed with reaction water device mixes, controller controls cohesion power supply and powers to cohesion electric field arrangement, under the effect of cohesion electric field, the particulate materials such as the fine dust in flue gas, PM2.5, electronegative after a part and the electron collision in plasma, positively charged after the nucleus collision in another part and plasma.Particulate material after charged and water smoke generation cohesion, fine dust, PM2.5 and water smoke are condensed into larger particle, and this larger particle is more easily collected at rear class electric field.And these are suspended in water smoke in flue gas and bulky grain, form a large amount of aerosols, provide and absorb SO
2, NO
xdeng the reaction surface of gas pollutant; Subsequently, the mixture through the cohesion flue gas crossed of electric field treatment and water smoke enters plasma reaction electric field, is adsorbed onto the SO of Aerosol Surface
2and NO
xunder the catalytic action of free radical, change into higher oxidation state to be only absorbed by the water, and the simple substance Hg in flue gas is generated solid matter HgO by the plasma oxidation that gas discharge produces, the particles one such as the dust condensed with prime electric field, PM2.5 coexist in plasma reaction electric field and are collected, thus achieve the purification of flue gas, flue gas after purification, is discharged by housing outlets; As can be seen here, the plasma flue gas desulfurization denitration dust-removing demercuration integrated apparatus that the utility model provides not only structure is simple, and floor space is little, and have employed wet method reaction, and can form aerosol, be SO
2, NO
xabsorption Deng gas pollutant provides reaction surface, improves reaction efficiency, reduces energy consumption and cost, has better economy.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The plasma flue gas desulfurization denitration dust-removing demercuration integrated apparatus structural representation that Fig. 1 provides for the utility model embodiment.
Detailed description of the invention
The utility model provides a kind of plasma flue gas desulfurization denitration dust-removing demercuration integrated apparatus, makes it have lower energy consumption and cost, have the object of better economy to reach.
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, the plasma flue gas desulfurization denitration dust-removing demercuration integrated apparatus structural representation that Fig. 1 provides for the utility model embodiment.In figure, the direction of arrow is flow of flue gas direction.
The utility model provides a kind of plasma flue gas desulfurization denitration dust-removing demercuration integrated apparatus, comprises housing 1, purifier and control system 4.
Wherein, the effect of housing 1 is formed for the passage of flow of flue gas and support and protects the electrode assembly in it, and housing 1 is provided with the outlet for being communicated with flue and entrance, bottom is provided with discharge outlet; Purifier is arranged in housing 1, comprise the coacervation device 2 and plasma reaction device 3 that distribute along housing 1 entrance to Way out, coacervation device 2 comprises for the formation of the cohesion electric field cohesion electric field arrangement 21 that makes the particulate material in flue gas charged and for providing the reaction water device 22 of water fog particle to cohesion electric field, and plasma reaction device 3 comprises the rinse water arrangement 32 that the plasma electric field device 31 and carrying out for the pollutant that article on plasma electric field arrangement 31 is collected for the formation of plasma reaction electric field rinses; Control system 4 comprises cohesion power supply 41 for powering to cohesion electric field arrangement 21, for the plasma power supply 45 of power to plasma electric field device 31 and for controlling reaction water device 22 injection flow rate and condensing the controller 43 of power supply 41 and plasma power supply 45 output power.
Compared with prior art, the plasma flue gas desulfurization denitration dust-removing demercuration integrated apparatus that the utility model provides, in use, when containing dust, SO
2, NO
x, the pollutant such as mercury and PM2.5 flue gas when entering by housing inlet port the cohesion electric field that cohesion electric field arrangement 21 in housing 1 formed, the water smoke sprayed with reaction water device 22 mixes, controller 43 controls cohesion power supply 41 and powers to cohesion electric field arrangement 21, under the effect of cohesion electric field, the particulate materials such as the fine dust in flue gas, PM2.5, electronegative after a part and the electron collision in plasma, positively charged after the nucleus collision in another part and plasma.Particulate material after charged and water smoke generation cohesion, fine dust, PM2.5 and water smoke are condensed into larger particle, and this larger particle is more easily collected at rear class electric field.And these are suspended in water smoke in flue gas and bulky grain, form a large amount of aerosols, provide and absorb SO
2, NO
xdeng the reaction surface of gas pollutant; Subsequently, the mixture through the cohesion flue gas crossed of electric field treatment and water smoke enters plasma reaction electric field, is adsorbed onto the SO of Aerosol Surface
2and NO
xunder the catalytic action of free radical, change into higher oxidation state to be only absorbed by the water, and the simple substance Hg in flue gas is generated solid matter HgO by the plasma oxidation that gas discharge produces, the particles one such as the dust condensed with prime electric field, PM2.5 coexist in plasma reaction electric field and are collected, thus achieve the purification of flue gas, flue gas after purification, discharge is exported by housing 1, the pollutant that rinse water arrangement 32 article on plasma electric field arrangement 31 is collected rinses, and pollutant is discharged through housing 1 discharge outlet with flushing water; As can be seen here, the plasma flue gas desulfurization denitration dust-removing demercuration integrated apparatus that the utility model provides not only structure is simple, and floor space is little, and have employed wet method reaction, and can form aerosol, be SO
2, NO
xabsorption Deng gas pollutant provides reaction surface, improves reaction efficiency, reduces energy consumption and cost, has better economy.
Cohesion electric field arrangement 21 and plasma electric field device 31 can adopt various structures, in the utility model embodiment, cohesion electric field arrangement 21 and plasma electric field device 31 include and are fixed on length direction on housing 1 and arrange along housing 1 entrance to Way out and width is arranged perpendicular to the multiple parallel ground connection pole plate of paper and is positioned at the discharge plume that center arranged by adjacent two ground connection pole plates.
Further, remove while ensureing gaseous state and solid contaminant, in the utility model embodiment, the cohesion power supply 41 that plasma flue gas desulfurization denitration dust-removing demercuration integrated apparatus uses and plasma power supply 45 are the pulse power, and the voltage exported adds pulse combination by DC base voltage.DC base voltage is wherein mainly the collection of the solid contaminant such as dust and arranges, and segment pulse is to arrange to the generation of denitration and desulfurization plasma.Power supply can adopt different specifications according to the treating capacity of the size of plasma flue gas desulfurization denitration dust-removing demercuration integrated apparatus and flue gas, in the utility model embodiment, the rated voltage of the DC base voltage part of cohesion power supply 41 is 50kV, pulse voltage is 50KV, pulse front edge is less than 100ms, and repetition rate is greater than 100Hz; The rated voltage of the DC base voltage part of plasma power supply 45 is 50kV, and pulse voltage is 50KV, and pulse front edge is less than 100ns, pulsewidth is less than 500ns, repetition rate 1000Hz, the power supply of this specification, can not only ensure the performance of electric field, and is easier to realize with prior art ratio.
According to electrostatic field general principle, if the water vapour content of flue gas is large in electric field, or dust concentration is high, capital makes the space charge in electric field remain on a higher level, and this just easily forms corona blocking phenomenon, the secondary current of electric field can be made time serious close to zero, particularly in the electric field using the pulse power to power as plasma reaction electric field, the possibility that corona blocking occurs is higher, therefore, in order to make the operation of plasma reaction electric field more stable, reduce the possibility of the corona blocking of smoke inlet side electric field, in the utility model embodiment, rinse water arrangement 32 is not rinsed whole plasma reaction electric field, but use the flushing water be connected with water source by supply channel to divide water distributor, the top of the ground connection pole plate row that flushing water divides water distributor to be arranged on plasma electric field device 31, be provided with multiple apopore along flow of flue gas directional spreding, in use, water flows out from apopore under a certain pressure, only earthing pole plate row is rinsed, while realization is rinsed the pollutant collected, reduce the water vapour content in flue gas, avoid the generation of corona blocking phenomenon.
The power supply polarity of power supply has positive polarity and negative polarity usually, when the power supply polarity of power supply is negative polarity, the corona polarity produced is negative, this makes the voltage-operated interval of electric field broaden, namely the difference of discharge inception voltage and breakdown voltage is larger, this just causes it to have well charged and collecting effect to meal dirt, although the instructions for use of general electric cleaner can be met, but it is poor for the charged effect of fine grained, be difficult to the instructions for use meeting plasma flue gas desulfurization denitration dust-removing demercuration integrated apparatus, therefore, in the utility model embodiment, the power supply polarity of cohesion power supply 41 is positive pole, the removal effect strengthening fine dust and PM2.5 to utilize positive corona, and the power supply polarity of plasma power supply 45 is negative pole.
In order to the stable operation of electric field arrangement energy, need to make discharge plume to remain on center between ground connection pole plate row.Equipment is manufacturing and error in installation process can cause discharge plume to depart from center between ground connection pole plate row, and large-scale device, error can be larger.In order to ensure less position relative deviation, main equipment needs larger heteropole distance, i.e. the distance of discharge plume distance ground connection pole plate row, the stable operation of guarantee device.On the other hand, larger heteropole distance, the power supply of more voltage levels is needed again to power, the cost increasing power-supply device will be caused, therefore, after considering electric field operation stability and cost factor, the heteropole distance of the cohesion electric field arrangement 21 in the utility model embodiment and plasma electric field device 31 is 150mm.
Discharge plume can adopt various structures, in the utility model embodiment, and multiple discharge tip that discharge plume comprises line body and the online body both sides that distribute are arranged towards ground connection pole plate.Further, distance between two neighbouring discharge tips of online body homonymy is 1.2 ~ 1.4 times of heteropole distance, like this, namely corona hypertelorism can being avoided to cause electric field to produce tails off, the most advanced and sophisticated suppression mutually of hypotelorism guiding discharge can be avoided again, thus the corona discharge power of the electric field making electric field arrangement produce is larger, can play good performance in little space.
Housing 1 can adopt various structures, in the utility model embodiment, housing 1 comprises gas cleaning conversion zone 14, gas feed diffuser 11, gas vent contraction section 15 and sewage collecting bucket 13, purifier is arranged on gas cleaning conversion zone 14, gas feed diffuser 11, gas vent contraction section 15 and sewage collecting bucket 13 are the frustum structure with large end and small end, the entrance of housing 1 and outlet are separately positioned on the small end of gas feed diffuser 11 and the small end of gas vent contraction section 15, the large end of gas feed diffuser 11 and the large end of gas vent contraction section 15 are connected to the two ends of gas cleaning conversion zone 14, the discharge outlet of housing 1 is arranged on the small end of sewage collecting bucket 13, the large end of sewage collecting bucket 13 is communicated with the bottom of gas cleaning conversion zone 14.
Further, spread to make flue gas, it is made to be uniformly distributed in the electric field, to make reaction more abundant, improve reaction efficiency, in the utility model embodiment, between gas cleaning conversion zone 14 and gas feed diffuser 11 and between gas cleaning conversion zone 14 and gas vent contraction section 15, be provided with airflow uniform distribution plate 12.
In order to the stable of plasma reaction carries out, the flue-gas temperature in plasma reaction electric field is needed to control below the boiling point of water, to ensure having aqueous water to exist in this region, in order to reach this purpose, in the utility model embodiment, control system 4 also comprises the pressure sensor 44 and temperature sensor 42 that are connected with controller 43, between cohesion electric field arrangement 21 all in housing 1 of the end of probe of pressure sensor 44 and temperature sensor 42 and plasma electric field device 31, in use, pressure sensor 44 and temperature sensor 42 detect the pressure and temperature that flow to the flue gas of plasma reaction electric field from cohesion electric field and by data feedback in controller 43, controller 43 calculates the boiling temperature of water corresponding at this pressure according to the flue gas pressures value detected, then the boiling temperature calculated and the flue-gas temperature detected are compared, if flue-gas temperature is higher than the boiling temperature calculated, controller 43 strengthens the injection flow rate of reaction water device 22 to cohesion electric field, until flue-gas temperature is reduced to below boiling temperature, thus ensure that plasma reaction can be stablized and carries out.
Further, in the utility model embodiment, control system 4 also comprises the pollutant levels sensor 46 be connected with controller 43, the end of probe of pollutant levels sensor 46 is arranged on the exit of housing 1, in use, when the solid contaminant concentration in exiting flue gas is higher than desired value, increase the DC base voltage of power supply; When the gaseous contamination substrate concentration in exiting flue gas is higher than desired value, increase the pulse frequency of power supply, like this, the pollutant levels of the exiting flue gas that controller 43 detects according to pollutant levels sensor 46 control the output power of plasma power supply 45 and cohesion power supply 41, thus ensure applicable removal efficiency, reduce energy consumption.
Can stablize in order to plasma reaction and carry out, in electric field, the flow pattern of flue gas needs to keep turbulent flow, and too fast flue gas flow rate can cause the vibrations of internal electrode, affects the safety of device and stablizes.Therefore, in electric field, the desirable flow velocity of flue gas is 1-3m/s.
In this description, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (12)
1. a plasma flue gas desulfurization denitration dust-removing demercuration integrated apparatus, is characterized in that, comprising:
Housing (1), be provided with the outlet for being communicated with flue and entrance, bottom is provided with discharge outlet;
Be arranged on the purifier in described housing (1), comprise the coacervation device (2) and plasma reaction device (3) that distribute to Way out along described housing (1) entrance, described coacervation device (2) comprises for the formation of the cohesion electric field cohesion electric field arrangement (21) that makes the particulate material in flue gas charged and for providing the reaction water device (22) of water fog particle to cohesion electric field, described plasma reaction device (3) comprises the rinse water arrangement (32) of rinsing for the formation of the plasma electric field device (31) of plasma reaction electric field and the pollutant for collecting described plasma electric field device (31),
Control system (4), comprises the cohesion power supply (41) for powering to described cohesion electric field arrangement (21), for the plasma power supply (45) of powering to described plasma electric field device (31) and the controller (43) for controlling reaction water device (22) injection flow rate and cohesion power supply (41) and plasma power supply (45) output power.
2. plasma flue gas desulfurization denitration dust-removing demercuration integrated apparatus according to claim 1, it is characterized in that, described cohesion electric field arrangement (21) and described plasma electric field device (31) include and are fixed on the upper length direction of described housing (1) and arrange along described housing (1) entrance to Way out and width is arranged perpendicular to the multiple parallel ground connection pole plate of paper and is positioned at the discharge plume that center arranged by adjacent two ground connection pole plates.
3. plasma flue gas desulfurization denitration dust-removing demercuration integrated apparatus according to claim 2, it is characterized in that, described rinse water arrangement (32) is comprised the flushing water be connected with water source by supply channel and divides water distributor, the top of the ground connection pole plate row that described flushing water divides water distributor to be arranged on described plasma electric field device (31), is provided with multiple apopore along flow of flue gas directional spreding.
4. plasma flue gas desulfurization denitration dust-removing demercuration integrated apparatus according to claim 2, it is characterized in that, the power supply polarity of described cohesion power supply (41) is positive pole, the rated voltage of DC base voltage part is 50kV, pulse voltage is 50KV, pulse front edge is less than 100ms, and repetition rate is greater than 100Hz.
5. plasma flue gas desulfurization denitration dust-removing demercuration integrated apparatus according to claim 2, it is characterized in that, the power supply polarity of described plasma power supply (45) is negative pole, the rated voltage of DC base voltage part is 50kV, pulse voltage is 50KV, pulse front edge is less than 100ns, and pulsewidth is less than 500ns, repetition rate 1000Hz.
6. plasma flue gas desulfurization denitration dust-removing demercuration integrated apparatus according to claim 2, is characterized in that, the heteropole distance of described cohesion electric field arrangement (21) and described plasma electric field device (31) is 150mm.
7. plasma flue gas desulfurization denitration dust-removing demercuration integrated apparatus according to claim 6, is characterized in that, multiple discharge tip that described discharge plume comprises line body and the online body both sides that distribute are arranged towards described ground connection pole plate.
8. plasma flue gas desulfurization denitration dust-removing demercuration integrated apparatus according to claim 7, is characterized in that, the distance between two neighbouring discharge tips of described line body homonymy is 1.2 ~ 1.4 times of heteropole distance.
9. plasma flue gas desulfurization denitration dust-removing demercuration integrated apparatus according to claim 1, it is characterized in that, described housing (1) comprises gas cleaning conversion zone (14), gas feed diffuser (11), gas vent contraction section (15) and sewage collecting bucket (13), described purifier is arranged on described gas cleaning conversion zone (14), described gas feed diffuser (11), described gas vent contraction section (15) and described sewage collecting bucket (13) are the frustum structure with large end and small end, the entrance of described housing (1) and outlet are separately positioned on the small end of described gas feed diffuser (11) and the small end of described gas vent contraction section (15), the large end of described gas feed diffuser (11) and the large end of described gas vent contraction section (15) are connected to the two ends of described gas cleaning conversion zone (14), the discharge outlet of described housing (1) is arranged on the small end of described sewage collecting bucket (13), the large end of described sewage collecting bucket (13) is communicated with the bottom of described gas cleaning conversion zone (14).
10. plasma flue gas desulfurization denitration dust-removing demercuration integrated apparatus according to claim 9, it is characterized in that, between described gas cleaning conversion zone (14) and described gas feed diffuser (11) and between described gas cleaning conversion zone (14) and described gas vent contraction section (15), be provided with airflow uniform distribution plate (12).
11. plasma flue gas desulfurization denitration dust-removing demercuration integrated apparatus according to claim 1, it is characterized in that, described control system (4) also comprises the pressure sensor (44) and temperature sensor (42) that are connected with described controller (43), between the described cohesion electric field arrangement (21) that the end of probe of described pressure sensor (44) and described temperature sensor (42) is all positioned at described housing (1) and described plasma electric field device (31).
12. plasma flue gas desulfurization denitration dust-removing demercuration integrated apparatus according to claim 11, it is characterized in that, described control system (4) also comprises the pollutant levels sensor (46) be connected with described controller (43), and the end of probe of described pollutant levels sensor (46) is arranged on the exit of described housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520308004.6U CN204601964U (en) | 2015-05-13 | 2015-05-13 | A kind of plasma flue gas desulfurization denitration dust-removing demercuration integrated apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520308004.6U CN204601964U (en) | 2015-05-13 | 2015-05-13 | A kind of plasma flue gas desulfurization denitration dust-removing demercuration integrated apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204601964U true CN204601964U (en) | 2015-09-02 |
Family
ID=53954554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520308004.6U Expired - Fee Related CN204601964U (en) | 2015-05-13 | 2015-05-13 | A kind of plasma flue gas desulfurization denitration dust-removing demercuration integrated apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204601964U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104801159A (en) * | 2015-05-13 | 2015-07-29 | 杭州天明环保工程有限公司 | Plasma smoke gas desulfurization denitration dust removal and demercuration all-in-one device |
| CN105268309A (en) * | 2015-12-04 | 2016-01-27 | 杭州杭联热电有限公司 | Semi-dry method pulse plasma flue gas purification system |
| CN109529586A (en) * | 2019-01-10 | 2019-03-29 | 浙江中泰环保股份有限公司 | A kind of off-gas cleaning equipment |
-
2015
- 2015-05-13 CN CN201520308004.6U patent/CN204601964U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104801159A (en) * | 2015-05-13 | 2015-07-29 | 杭州天明环保工程有限公司 | Plasma smoke gas desulfurization denitration dust removal and demercuration all-in-one device |
| CN105268309A (en) * | 2015-12-04 | 2016-01-27 | 杭州杭联热电有限公司 | Semi-dry method pulse plasma flue gas purification system |
| CN109529586A (en) * | 2019-01-10 | 2019-03-29 | 浙江中泰环保股份有限公司 | A kind of off-gas cleaning equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104801159A (en) | Plasma smoke gas desulfurization denitration dust removal and demercuration all-in-one device | |
| CN102059050B (en) | Low-temperature plasma smoke compound pollutant control method | |
| US7297182B2 (en) | Wet electrostatic precipitator for treating oxidized biomass effluent | |
| US7318857B2 (en) | Dual flow wet electrostatic precipitator | |
| CN105032611A (en) | Deep control system for multiple pollutants through wet static electricity and reinforced by pre-charging | |
| CN105854479B (en) | A kind of ammonia type flue gas desulfurizing apparatus and method for removing aerosol | |
| US7459009B2 (en) | Method and apparatus for flue gas desulphurization | |
| CN105268309A (en) | Semi-dry method pulse plasma flue gas purification system | |
| CN103055649B (en) | Dust removal, desulfurization and denitrification device of coal-fired power generation boiler | |
| KR101852163B1 (en) | An apparatus combined electrostatic spraying with electrostatic precipitator for removing fine particulate matter | |
| CN204601964U (en) | A kind of plasma flue gas desulfurization denitration dust-removing demercuration integrated apparatus | |
| Romero et al. | Key technologies for ultra-low emissions from coal-fired power plants | |
| CN108201783A (en) | A kind of boiler smoke multiple pollutant deep treatment device, system and method | |
| CN105709597B (en) | A kind of the flue gas ash removal mercury removal device and its processing method of plasma reactor joint membrane bag filter | |
| JP5959960B2 (en) | Wet electrostatic precipitator and exhaust gas treatment method | |
| CN107469580A (en) | A kind of wet flue gas desulfurizing and hydrargyrum-removing dust removal integrated plant and technique | |
| CN205966185U (en) | A electric demister for gas cleaning | |
| CN107175169A (en) | Humidification stream pre electrified particulate matter reinforcing removing system | |
| CN104307326B (en) | Low temperature wet type ionized oxygen denitration, ultrapurification technique | |
| CN205549935U (en) | Wet -type electric precipitation secondary absorption tower | |
| CN205145964U (en) | Semidry method pulse plasma gas cleaning system | |
| KR101809626B1 (en) | System for Treat Complex Pollutant | |
| CN204953124U (en) | Carry on one's shoulder or back multiple pollutant depth control device of wet -type static that electricity is reinforceed in advance | |
| CN107441898A (en) | A kind of impulse electric corona plasma flue gas desulfurization and denitrification integrated apparatus | |
| CN104353335A (en) | Plasma desulfurization, denitration and dust removing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150902 Termination date: 20210513 |