CN1621156A - Negative electron emitter - Google Patents
Negative electron emitter Download PDFInfo
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- CN1621156A CN1621156A CN 200310105167 CN200310105167A CN1621156A CN 1621156 A CN1621156 A CN 1621156A CN 200310105167 CN200310105167 CN 200310105167 CN 200310105167 A CN200310105167 A CN 200310105167A CN 1621156 A CN1621156 A CN 1621156A
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- voltage
- discharge electrode
- electrode group
- dust
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Abstract
The negative ion emitter applied in electrostatic duster consists of discharge electrode set, AC power source and high voltage DC power source. The AC voltage is applied across two electrodes to puncture the air gap between the electrodes, to produce high temperature electric arc and to release great amount of negative electrons to the ambient space. The negative electrons under the action of the electric field fly toward the dust collecting positive electrode and collide with dust particles in the way to generate great amount of negative dust ions. The negative dust ions under the action of the electric field are adsorbed on the dust collecting positive electrode, while the residual dust is intercepted in the dedusting area with the discharge fence set in the air outlet port and the dust is eliminated clearly. The present invention has greatly improved dedusting performance.
Description
Affiliated field;
The present invention relates to a kind of negatron emission device that is applied in the electrostatic precipitator, it replaces old-fashioned corona negative plate with special circuit and structure, thereby, the performance of electrostatic precipitator and structure are improved completely.
Technical background;
Known, electrostatic precipitator is made up of corona negative pole and control of dust positive electrode plate, discharge negatron by corona, make the flue dust in the dust-contained airflow charged, received by the control of dust positive electrode, finish the dedusting course of work, but because of old-fashioned corona negative plate itself is to launch negatron by point effect, its efficient is limited, electrostatic precipitator is used to be very limited, such structure has never had big variation since invention in 1907, it is bulky, the equipment manufacturing cost height, it is very big that efficiency of dust collection is influenced by the dust physical property, fluctuation of service, bad to removing effect less than the flue dust below a micron, along with industrial development, the environmental requirement strictness is outstanding day by day, no longer adapt to the dedusting requirement of current environmental protection,, improve its dust removal performance so need put into the melting pot.
Summary of the invention;
The present invention is directed to above shortcoming, take the innovation reform measure as follows;
1, existing invention special circuit, be applied to the AC power output HIGH voltage between two electrodes of discharge electrode group, make it that disruptive discharge take place, produce high-temperature electric arc, DC high-voltage power supply is exported negative voltage be applied on one of them discharge electrode, make it under the high temperature of electric arc, the negatron heat emission takes place, discharge a large amount of negatrons, be used to satisfy the charged needs of flue dust.
2, for the electric arc long term maintenance is gone down, a series connection current-limiting resistance { impedance } is limited in certain quantitative value with arc current in the discharge circuit of every group of discharge electrode.
3, a plurality of discharge electrode groups that discharging gap is equated are fixed on the same eradication edge tubes of material jointly, form discharge electrode group rod, and with a plurality of discharge electrode group rods, parallel equidistant is fixed on the installing rack from arrangement, form discharge electrode group rod fence.
4, for making the maximum efficient of negatron emission device performance, it is installed on the last word drum-type electrostatic precipitator, at dedusting area air inlet place and air outlet place discharge electrode group rod fence is installed all with the ceramic insulation sleeve pipe respectively, several discharge electrode group rod fence also are installed in dedusting area in case of necessity.
5, novel high efficiency negatron emission device is used to transform various old-fashioned electrostatic precipitator, replaces old-fashioned negative electrode plate, can improve efficiency of dust collection.
6, owing to invented novel high efficiency negatron emission device, make bulky old-fashioned electrostatic precipitator be transformed into possibility, thereby, invention birth small volume and less weight drum-type electrostatic precipitation installations.The negatron emission device is suitable for making various new-type flue dust electrostatic precipitator.
The present invention solves the technical scheme that its technical problem takes;
With last word drum-type electrostatic precipitation installations, { 7} place and air exhaust passage { the 8} place of air intake passage in dedusting area, with the ceramic insulation sleeve pipe { on the fixing installing rack of 6}, fixing parallel equidistant from arranging a plurality of discharge electrode group rod { 11}, { 11} is that { the 2} parallel equidistant is fixed on same insulation tube { the last composition of 1} from what arrange to a plurality of discharge electrode groups of negatron emission device jointly to discharge electrode group rod, { one of them discharge electrode of 2} is all connected, and { one of them output of R} and AC power output u2 voltage is connected a current-limiting resistance each discharge electrode group, the V1 voltage negative of AC power output u2 another output of voltage and DC high-voltage power supply output extreme common and the discharge electrode group { positive terminal of DC high-voltage power supply V1 voltage and control of dust positive pole cylinder { the 3} also ground connection that is connected another discharge electrode of 2} mutually and connect.
After the ventilation energising, discharge electrode group { the air gap between 2 discharge electrodes of 2}, under the effect of AC power output u2 voltage, puncture, produce high-temperature electric arc, for discharging negatron on discharge electrode, the V1 negative voltage of DC high-voltage power supply output created condition, make a large amount of negatrons under the high temperature of electric arc, be released in space on every side, soot dust granule in negatron and the dust-contained airflow bumps to be rushed, produce a large amount of soot dust granule anions, these soot dust granule anions are under the effect of electric field force, fly to control of dust positive electrode cylinder { on the 3}, soot dust granule is attracted to control of dust positive electrode cylinder, and { on the 3}, { { in the 10}, { { 9} disposes steel brush the ash bucket that rotates into of 3} soot dust granule in the 10} by ash bucket along with control of dust positive electrode cylinder, fall into ash bucket and { in the 10}, finish dust removal process.{ 3} constantly rotates, and dust is continual to be eliminated, and { 3} remains cleaning to control of dust positive electrode cylinder owing to cylinder.Because the negatron that discharge electrode discharges is enough to satisfy the dedusting needs, so, dust-contained airflow speed can be improved greatly, can reach per second more than 3 meters, because wind speed is too fast, insulating sleeve 6} and discharge electrode group the 2} fence is difficult to laying dust, so, need not ash removal equipment for flapping, do not have flying dust 2 times, { the 8} place is provided with discharge electrode group rod, and { the 11} fence can be tackled the flue dust of remnants in dedusting area owing to air exhaust passage again, thereby, flue dust thoroughly is eliminated.
The technique effect that this new electrostatic precipitator obtains is; Kept outside original advantage, the deduster structure of same size is dwindled more than 2/3, thereby reduced cost, its efficiency of dust collection can reach 99,9%.And can in running, keep stable, especially to also being removed less than the minimum particulate of 0.5 little M.Thereby this product has the extremely strong power of striving unexpectedly
Description of drawings;
Below comprehensive drawings and Examples the present invention is further described;
Fig. 1 is negatron emission device circuit theory diagrams of the present invention.
Fig. 2 discharge electrode group bar construction figure.
Fig. 3 electrostatic precipitator transverse cross-sectional view
Fig. 4 electrostatic precipitator longitudinal sectional drawing
Fig. 5 electrostatic precipitator is overlooked to profile
The disposable electrostatic precipitator air-flow of Fig. 6 moves towards figure
Fig. 7 air intake passage discharge electrode group rod installation diagram
Fig. 8 dedusting area discharge electrode group rod installation diagram
Fig. 9 positive electrode cylinder figure
Figure 10 secondary electrostatic precipitator transverse cross-sectional view
Figure 11 secondary electrostatic precipitator air-flow moves towards figure
Z. DC high-voltage power supply rectifier among the figure, R. current-limiting resistance, 1. insulation tube, 2. discharge electrode group, 3. positive electrode cylinder, 4. high direct voltage V1 voltage negative polar curve, 5. AC power is exported u2 pressure-wire, 6. insulating ceramics sleeve pipe, 7. dedusting area air intake passage, 8. dedusting area air exhaust passage, 9. steel brush, 10. ash bucket, 11, discharge electrode group rod, 12. blower fans, 13. division boards.
The specific embodiment;
In Fig. 1; DC high-voltage power supply rectifier { z} current-limiting resistance { R} discharge electrode group { 2} positive electrode plate { 3}
In Fig. 2; Current-limiting resistance { R} insulation tube { 1} discharge electrode group { 2} positive electrode plate { 3} DC high-voltage power supply output V1 voltage negative polar curve { 4}, AC power output u2 pressure-wire { 5}
{ { { { { 10} discharge electrode group rod, { 11} is at Fig. 4 positive electrode cylinder { 3} dedusting area air intake passage { 7} steel brush { 9} ash bucket { 10} discharge electrode group rod, { 11} for the 9} ash bucket for the 8} steel brush for 6} dedusting area air exhaust passage for 3} insulating ceramics sleeve pipe for positive electrode cylinder in Fig. 3
{ 7} dedusting area air exhaust passage { the 8} discharge electrode group rod { 11} of dedusting area air intake passage in Fig. 5
In Fig. 6; Dedusting area air intake passage { 7} dedusting area air exhaust passage [8]
Insulating ceramics sleeve pipe in Fig. 7 { 6} dedusting area air intake passage { 7} discharge electrode group rod, { 11}
In Fig. 8; Insulating ceramics sleeve pipe { 6} dedusting area air exhaust passage { 8} discharge electrode group rod { 11}
In Fig. 9; Positive electrode cylinder { 3} steel brush { 9}
Positive electrode cylinder in Figure 10 { 3} insulating ceramics sleeve pipe { 6} dedusting area air exhaust passage { 8} steel brush { 9} ash bucket { 10} discharge electrode group rod, { 11} division board { 13}
{ the 7} dedusting area air exhaust passage { 8} blower fan { 12} division board { 13} of dedusting area air intake passage in Figure 11
Implement the performance parameter of contrast reference example:
It is as follows to be used for cement plant former design of old-fashioned electrostatic precipitator of production powder model system;
Main economic and technical indices;
Shaft kiln specification 2.9m * 10m
Electric cleaner form single chamber, single electric board is horizontal
Electric cleaner specification 30m
2
Smoke treatment amount 60000m3/h
Efficiency of dust collection 99%
Field gas velocity 0.55m/s
Dust migration velocity 12`～14cm/s
Design f=A/Q36.24S/m
Dust collecting pole plate area 604m
2
Deduster quality 1.58t/m
2
Pole plate power consumption 0.00187KVA/m
2
Deduster is invested 0.9607 ten thousand yuan/m
2
23,845 ten thousand yuan/platform of deduster gross investment
It is as follows now to change the disposable electrostatic precipitator design of drum-type separate unit; Pipeline connects as shown in Figure 6
Smoke treatment amount 60000m
3/ h 16.6m
3/ S
The wind speed of power taking field is; 3m/S
Then the electric field basal area is; 5.55m
2
Get each air intake passage area and be 3m * 0.95m then each air exhaust passage area be; 3m * 0.95m
The positive electrode drum length is; The 3m diameter is; 0.95m
The design of discharge electrode group rod is as follows;
Air gap between 2 discharge electrodes of discharge electrode group is that 3mm ac breakdown voltage voltage is 12KV
Current-limiting resistance is that the total power consumption of 72000k discharge electrode group is 2KW
Distance is that distance is 150mm between the 50mm discharge electrode group rod between the discharge electrode group
DC voltage is 42kv.
Other structure designs with reference to above data
It is as follows now to change the design of twice property of drum-type separate unit electrostatic precipitator; Apply demarcation strip { 13} is divided into He Er district, a district with the dedusting area dedusting, as shown in figure 10, changes pipeline and connects and can realize that an electrostatic precipitator implements twice dedusting, and pipeline connects as shown in Figure 11 on dedusting area top; Can improve efficiency of dust collection.
Smoke treatment amount 60000m
3/ h 16.6m
3/ S
The wind speed of power taking field is; 3m/S
Then the electric field basal area is; 5.55m
2
Getting the air intake passage area is 4.6m * 1.2 m
Then the air exhaust passage area is; 4.6m * 1.2m
The positive electrode drum length is; 4.6m diameter is; 1.2m
The design of discharge electrode group rod is as follows;
Air gap between 2 discharge electrodes of discharge electrode group is that 3mm ac breakdown voltage voltage is 12KV
Current-limiting resistance is that distance is 60mm between the 72000k discharge electrode group
Distance is 200mm between the discharge electrode group rod
The total power consumption of discharge electrode group is 2KW
Distance is 200mm between the discharge electrode group rod
DC voltage is 42kv.
Other structure designs with reference to above data
The negatron emission device is used to transform various old-fashioned electrostatic precipitator, replaces old-fashioned negative electrode plate, can improve efficiency of dust collection.The negatron emission device is suitable for making various new-type flue dust electrostatic precipitator.
Claims (5)
1, a kind of negatron emission device is made of jointly discharge electrode group and AC power and DC high-voltage power supply, it is characterized in that; Discharge electrode group { 2} is installed on insulating materials, { 2} is made of two discharge electrodes the discharge electrode group, leave certain air-gap between two discharge electrodes, current-limiting resistance of one of them discharge electrode series connection { export one of them output of u2 voltage and be connected by R} and AC power, the V1 voltage negative of AC power output u2 another output of voltage and DC high-voltage power supply output extreme common and the discharge electrode group { positive terminal of DC high-voltage power supply V1 voltage and positive electrode { the 3} also ground connection .. that is connected another discharge electrode of 2} mutually and connect.
2, according to the described a kind of negatron emission device of claim one, it is characterized in that; Its circuit is a breakdown voltage to be applied to be in series with current-limiting resistance { the discharge electrode group of R} is { on two discharge electrodes of 2}, one of them discharge electrode has been applied in the V1 negative DC voltage of a DC high-voltage power supply output again simultaneously, and { 3}'s positive terminal of DC high-voltage power supply V1 voltage is connected and ground connection with positive pole.
3, according to the described a kind of negatron emission device of claim one, it is characterized in that; Change its circuit connecting wire, can become positron emitter, its circuit is a breakdown voltage to be applied to be in series with current-limiting resistance { the discharge electrode group of R} is { on two discharge electrodes of 2}, one of them discharge electrode has applied the V1 direct-flow positive voltage of a DC high-voltage power supply output again simultaneously, and the negative pole end of DC high-voltage power supply V1 voltage is connected with negative plate and ground connection.
4, according to the described a kind of negatron emission device of claim one, it is characterized in that; , { 2}, common parallel equidistant { on the 1}, is formed discharge electrode group rod { 11} from the same eradication edge tubes of material that is fixed on of arranging to a plurality of discharge electrode groups that discharging gap is equal.{ 11}, parallel equidistant is fixed on the installing rack from arrangement, forms discharge electrode group rod { 11} fence with a plurality of discharge electrode group rods.
5, according to the negatron emission device that uses in the described a kind of electrostatic precipitator of claim one, it is characterized in that; The V1 negative DC voltage of AC power output u2 alternating voltage and DC high-voltage power supply output, { { 2} organizes and is connected each discharge electrode in 6} and the electrostatic precipitator through the ceramic insulation sleeve pipe respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310105167 CN1621156A (en) | 2003-11-24 | 2003-11-24 | Negative electron emitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310105167 CN1621156A (en) | 2003-11-24 | 2003-11-24 | Negative electron emitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1621156A true CN1621156A (en) | 2005-06-01 |
Family
ID=34757200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200310105167 Pending CN1621156A (en) | 2003-11-24 | 2003-11-24 | Negative electron emitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1621156A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103008316A (en) * | 2012-12-11 | 2013-04-03 | 吴江兰瑞特纺织品有限公司 | Hanging type fiber collecting tank |
| CN105833993A (en) * | 2015-01-13 | 2016-08-10 | 袁野 | Electric-arc-type demister |
| CN105840278A (en) * | 2015-01-13 | 2016-08-10 | 袁野 | Arc type exhaust purifier |
| CN105833992A (en) * | 2015-01-13 | 2016-08-10 | 袁野 | Spark discharger |
| CN105833995A (en) * | 2015-01-13 | 2016-08-10 | 袁野 | Electric-arc-type deduster |
| CN105855048A (en) * | 2015-01-20 | 2016-08-17 | 袁野 | Electric spark type deduster |
| CN105855047A (en) * | 2015-01-20 | 2016-08-17 | 袁野 | Electric spark type deduster |
| CN105983487A (en) * | 2015-02-09 | 2016-10-05 | 袁野 | Electric arc type oil smoke purifier |
| CN106111335A (en) * | 2016-06-24 | 2016-11-16 | 袁野 | Electric arc water law dust-cleaning device |
| CN110369136A (en) * | 2019-07-24 | 2019-10-25 | 武汉大学 | A kind of intelligent electric dust pelletizing system for belt-conveying |
| CN110369133A (en) * | 2019-07-24 | 2019-10-25 | 武汉大学 | A kind of acoustic-electric combined dust-eliminating device for belt-conveying |
-
2003
- 2003-11-24 CN CN 200310105167 patent/CN1621156A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103008316A (en) * | 2012-12-11 | 2013-04-03 | 吴江兰瑞特纺织品有限公司 | Hanging type fiber collecting tank |
| CN105833993A (en) * | 2015-01-13 | 2016-08-10 | 袁野 | Electric-arc-type demister |
| CN105840278A (en) * | 2015-01-13 | 2016-08-10 | 袁野 | Arc type exhaust purifier |
| CN105833992A (en) * | 2015-01-13 | 2016-08-10 | 袁野 | Spark discharger |
| CN105833995A (en) * | 2015-01-13 | 2016-08-10 | 袁野 | Electric-arc-type deduster |
| CN105855048A (en) * | 2015-01-20 | 2016-08-17 | 袁野 | Electric spark type deduster |
| CN105855047A (en) * | 2015-01-20 | 2016-08-17 | 袁野 | Electric spark type deduster |
| CN105983487A (en) * | 2015-02-09 | 2016-10-05 | 袁野 | Electric arc type oil smoke purifier |
| CN106111335A (en) * | 2016-06-24 | 2016-11-16 | 袁野 | Electric arc water law dust-cleaning device |
| CN110369136A (en) * | 2019-07-24 | 2019-10-25 | 武汉大学 | A kind of intelligent electric dust pelletizing system for belt-conveying |
| CN110369133A (en) * | 2019-07-24 | 2019-10-25 | 武汉大学 | A kind of acoustic-electric combined dust-eliminating device for belt-conveying |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |