CN202803407U - External water distribution movable type flexible dust collecting electrode device - Google Patents

External water distribution movable type flexible dust collecting electrode device Download PDF

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Publication number
CN202803407U
CN202803407U CN 201220411434 CN201220411434U CN202803407U CN 202803407 U CN202803407 U CN 202803407U CN 201220411434 CN201220411434 CN 201220411434 CN 201220411434 U CN201220411434 U CN 201220411434U CN 202803407 U CN202803407 U CN 202803407U
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CN
China
Prior art keywords
dust collecting
collecting electrode
flexible dust
water
water distribution
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Expired - Fee Related
Application number
CN 201220411434
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Chinese (zh)
Inventor
马春元
崔琳
常景彩
王鹏
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Shandong University
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Shandong University
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Priority to CN 201220411434 priority Critical patent/CN202803407U/en
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Publication of CN202803407U publication Critical patent/CN202803407U/en
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Abstract

The utility model discloses an external water distribution movable type flexible dust collecting electrode device. The device comprises two parallel driving shafts and flexible dust collecting electrodes, wherein the flexible dust collecting electrodes are wound on the two driving shafts; a plurality of parallel water distribution devices are arranged between the two driving shafts; the flexible dust collecting electrodes bypass the plurality of water distribution devices by crossing in an S shape; the driving shafts are connected with a power device; electrodes are arranged on at least one side outside the flexible dust collecting electrodes; and the water distribution devices and the electrodes are spatially arranged in parallel. The device has the beneficial effects that the device can achieve uniform distribution of water films and automatic and efficient dust removal, avoids the problem of corrosion of metal dust collecting electrodes, ensures stable, economical, safe and reliable operation of the wet electrostatic dust collector equipment and achieves efficient catchment of micro-fine particulate matters.

Description

The portable flexible dust collecting electrode device of outer water distribution
Technical field
The utility model relates to a kind of gas pollution control technology, especially a kind of portable flexible dust collecting electrode device of outer water distribution that is applied to wet cottrell.
Background technology
At present, along with formally implement and the formal issue in " ambient air quality " (GB3095 2012) " thermal power plant's pollutant emission standard " (GB13223 2011), formally launch for the emission control of superfine particulate matter.Coal-burning power plant as the important emission source of Atmospheric Grains matter, although deduster all is installed, but that generally adopt is dry electrostatic cleaner (ESP), this deduster control of dust utmost point moves under dry state, not only the high resistivity dust particle collection efficiency for the anti-corona of easy formation is low, and for 10 μ m(, 2.5 μ m particularly) following subparticle, because minuteness particle is difficult to charged, and the electrode rapping produces reentrainment of dust the minuteness particle that has captured overflowed, and causes removal efficiency sharply to descend.The escape of a large amount of fine dust particles causes the dust concentration discharging excessive, not only be difficult to satisfy the new standard requirement, and owing in the fine dust particle that the poisonous and hazardous major pollutants of human body is enriched in mostly below the 10 μ m, the escape of a large amount of fine dust particles has also had a strong impact on the healthy of people, causes huge economic loss.
Adopt the wet type dust collecting electrode can effectively overcome the anti-corona problem of the dry dust-collecting utmost point and can prevent the subparticle reentrainment of dust, therefore can the Effective Raise electrostatic precipitation particularly remove the efficient of fine dust.But the wet type dust collecting electrode of commercial Application generally all is comprised of hard materials such as metals at present, because the problems such as surface tension and machined deviations from planarity, flushing water can not be fully uniform on whole dust collecting electrode surface, form " channel " on the dust collecting electrode surface easily, the place that do not flush of current causes accumulation and the fouling of grit easily like this, such as untimely dismounting cleaning, finally can cause dust collecting electrode to lose efficacy; The metal dust collecting electrode of the more perishable common materials of composition such as the acid mist that contains in the flue gas, therefore most of metal dust collecting electrode adopts the higher alloy material of cost to make.The problems referred to above are so that adopt the aspects such as electrostatic precipitator stable equipment operation, security reliability, economy of wet type dust collecting electrode to be subject to having a strong impact on.
In addition, Chinese patent ZL200910019222.7 discloses a kind of homogenizing fabric dust collecting electrode surface water film device and technique, and this technique is by the water distributing pore of the Ф 1-Ф 2mm that gathers in the dust collecting electrode upper end, and water flows downward under Action of Gravity Field, utilize the fiber capillarity, realize the uniform of moisture film.But this process unit is owing to only install water-distributing device in the dust collecting electrode upper end, moisture film can only be by the upper end to downward-extension, for the larger dust collecting electrode of area, it is excessive and problem that the lower end water film thickness is inadequate affects the even distribution of moisture film to form easily dust collecting electrode upper end water film thickness; In addition, control of dust fixed and arranged very in the above-mentioned patent only depends on the deashing of the different realization dust collecting electrode with shrinkage ratio of grey cake layer and dust collecting electrode surface tension, causes easily deashing not thorough, affects follow-up efficiency of dust collection.
The utility model content
The purpose of this utility model is for overcoming above-mentioned the deficiencies in the prior art, provide a kind of outer water distribution portable flexible dust collecting electrode device, this device can be realized even distribution and the automatical and efficient deashing of moisture film and avoid the etching problem of metal dust collecting electrode, guarantee stable, economic, the safely and reliably operation of wet cottrell equipment, realize the efficient capture of fine particle.
For achieving the above object, the utility model adopts following technical proposals:
The portable flexible dust collecting electrode device of a kind of outer water distribution, comprise two driving shafts that be arranged in parallel and flexible dust collecting electrode, described flexible dust collecting electrode is on two driving shafts, be provided with some water-distributing devices that are arranged in parallel between two driving shafts, the S-shaped intersection of flexible dust collecting electrode is walked around some water-distributing devices, driving shaft links to each other with power set, the outside at least one side of described flexible dust collecting electrode is provided with electrode, described water-distributing device and electrode spatially be arranged in parallel, and described flexible dust collecting electrode is along the airflow direction front-rear reciprocation movement.。
Described both ends of main drive shaft is equipped with stopping means.
Described stopping means is limited block or spacing preiection.
The plate body that described flexible dust collecting electrode is made of flexible fabric.
Described water-distributing device is the pipe with aperture or groove.
Aperture on the described pipe or groove spray angle have near two kinds of the tangential angle in point of contact, normal direction angles.
The portable flexible dust collecting electrode device of a kind of outer water distribution, comprise driving shaft, driven shaft and flexible dust collecting electrode, described flexible dust collecting electrode is on driving shaft and driven shaft, be provided with some water-distributing devices that are arranged in parallel between driving shaft and the driven shaft, the S-shaped intersection of flexible dust collecting electrode is walked around some water-distributing devices, driving shaft links to each other with power set, the outside at least one side of described flexible dust collecting electrode is provided with electrode, the spatially square crossing setting of described water-distributing device and electrode, described flexible dust collecting electrode adopts the uprush direction to pump.
At least one end of described driving shaft and driven shaft is provided with stopping means.
Described stopping means is limited block or spacing preiection.
The plate body that described flexible dust collecting electrode is made of flexible fabric.
Described water-distributing device is the pipe with aperture or groove.
Aperture on the described pipe or groove spray angle have near two kinds of the tangential angle in point of contact, normal direction angles.
The utility model comprises movable flexible dust collecting electrode, water-distributing device and supporting stopping means thereof, its dust collecting electrode detours in water-distributing device, water-distributing device adopts the steel pipe with certain angle aperture or groove, carries out water distribution outside dust collecting electrode, and the double supporting construction of doing flexible dust collecting electrode.
In the utility model, dust collecting electrode adopts along airflow direction front-rear reciprocation movement mode or perpendicular to the airflow direction mode that pumps, and sprays water by water-distributing device, realizes stable and uniform water distribution and the deashing of dust collecting electrode.When adopting front-rear reciprocation movement, two driving shaft velocities of rotation all adjustable and rotation direction and speed are consistent.When employing pumped, the upper end was that the driving shaft lower end is driven shaft, and the driving shaft velocity of rotation is adjustable.Both ends of main drive shaft all is equipped with stopping means in above-mentioned two kinds of motion modes, guarantees that the sideslip problem does not appear in dust collecting electrode in motion process.
In the utility model, many cover water-distributing devices side by side between two power transmission shafts, flexible dust collecting electrode is S-type to detour on fixing water distributor, and the reciprocating motion by dust collecting electrode and the regularity water spray of water-distributing device are realized stable and uniform water distribution and the deashing of dust collecting electrode; In the utility model, except rushing the deashing by water, also can utilize dust collecting electrode in the reciprocating motion process and fixedly the friction of water-distributing device realize the automatic ash removing of dust collecting electrode; In the utility model, the used hydraulic pressure of water-distributing device, the water yield and injection interval can be regulated as required;
During application, can adopt as required the many covers of the utility model are combined to be positioned in the wet cottrell side by side and use, the distance between the dust collecting electrode is between 200-800mm; Dust collecting electrode is all as a whole in the flexible dust collect plant of the interior water spray of every cover, and interior water injector can be installed many covers as required.
The beneficial effects of the utility model are, the utility model can be realized even distribution and the automatical and efficient deashing of moisture film and avoid the etching problem of metal dust collecting electrode, guarantee stable, economic, the safely and reliably operation of wet cottrell equipment, realize the efficient capture of fine particle.
Description of drawings
Fig. 1 is the utility model embodiment 1 structural representation;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the utility model embodiment 2 structural representations;
Fig. 4 is the left view of Fig. 3;
Wherein 1. driving shafts, 2. water-distributing device, 3. electrode, 4. flexible dust collecting electrode, 5. stopping means, 6. driven shaft.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
Embodiment 1: as shown in Figure 1, 2, the portable flexible dust collecting electrode device of outer water distribution, comprise two driving shafts that be arranged in parallel 1 and flexible dust collecting electrode 4, described flexible dust collecting electrode 4 is on two driving shafts 1, be provided with some water-distributing devices that are arranged in parallel 2 between two driving shafts 1, flexible dust collecting electrode 4 S-shaped intersections are walked around some water-distributing devices 2, and driving shaft 1 links to each other with power set, described flexible dust collecting electrode 4 outside sides are provided with electrode, and described water-distributing device 2 is be arrangeding in parallel with electrode 3.Driving shaft 1 two ends are equipped with stopping means 5.Spacingly fill 5 and be set to limited block or spacing preiection.The plate body that flexible dust collecting electrode 4 is made of flexible fabric.Water-distributing device 2 is the steel pipe with aperture or groove.Aperture on the steel pipe or groove spray angle have near two kinds of the tangential angle in point of contact, normal direction angles.
Along with voltage raises, the discharge of electrode 3 ends makes air ionization, produces a large amount of anions; Dust granules in the flue gas is after anion is combined, to flexible dust collecting electrode 2 motions.Be furnished with the flexible dust collecting electrode capture movement of uniform water film to the dust granules of dust collecting electrode, because the viscous force of water, secondary back-mixing problem can not occur in particle particularly subparticle, realizes the efficient capture of subparticle; Flexible dust collecting electrode is in seesawing process along airflow direction, water-distributing device is sprayed water to dust collecting electrode from, normal direction angle tangential near the point of contact, realizes evenly distribution and the deashing of continuing of moisture film, in addition, also can by the friction of dust collecting electrode and water-distributing device 2, realize the automatic ash removing of dust collecting electrode.
Embodiment 2: shown in Fig. 3,4, the portable flexible dust collecting electrode device of outer water distribution, comprise driving shaft 1, driven shaft 6 and flexible dust collecting electrode 4, described flexible dust collecting electrode 4 is on driving shaft 1 and driven shaft 6, be provided with some water-distributing devices that are arranged in parallel 2 between driving shaft 1 and the driven shaft 6, flexible dust collecting electrode 4 S-shaped intersections are walked around some water-distributing devices 2, driving shaft 1 links to each other with power set, described flexible dust collecting electrode 4 outside sides are provided with electrode, described water-distributing device 2 and spatially square crossing setting of electrode 3.The two ends of driving shaft 1 and driven shaft 6 are equipped with stopping means 5.Stopping means 5 is limited block or spacing preiection.The plate body that flexible dust collecting electrode 4 is made of flexible fabric.Water-distributing device 2 is the pipe with aperture or groove.Aperture or groove spray angle have near two kinds of the tangential angle in point of contact, normal direction angles on the pipe.
Flexible dust collecting electrode is in the process that moves up and down perpendicular to airflow direction at this moment, and water-distributing device is sprayed water to dust collecting electrode from, normal direction angle tangential near the point of contact, realizes evenly distribution and the deashing of continuing of moisture film.For guaranteeing the dust collecting electrode not sideslip that moves up and down in the process, the turning cylinder two ends all are equipped with stopping means.Dust collecting electrode 2 can by the water spray deashing, also can by the friction of dust collecting electrode and water-distributing device 2, realize the automatic ash removing of dust collecting electrode.
Although above-mentionedly by reference to the accompanying drawings the specific embodiment of the present utility model is described; but be not the restriction to the utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection domain of the present utility model.

Claims (8)

1. portable flexible dust collecting electrode device of outer water distribution, it is characterized in that, comprise two driving shafts that be arranged in parallel and flexible dust collecting electrode, described flexible dust collecting electrode is on two driving shafts, be provided with some water-distributing devices that are arranged in parallel between two driving shafts, the S-shaped intersection of flexible dust collecting electrode is walked around some water-distributing devices, driving shaft links to each other with power set, the outside at least one side of described flexible dust collecting electrode is provided with electrode, described water-distributing device and electrode spatially be arranged in parallel, and described flexible dust collecting electrode is along the airflow direction front-rear reciprocation movement.
2. portable flexible dust collecting electrode device of outer water distribution, it is characterized in that, comprise driving shaft, driven shaft and flexible dust collecting electrode, described flexible dust collecting electrode is on driving shaft and driven shaft, be provided with some water-distributing devices that are arranged in parallel between driving shaft and the driven shaft, the S-shaped intersection of flexible dust collecting electrode is walked around some water-distributing devices, driving shaft links to each other with power set, the outside at least one side of described flexible dust collecting electrode is provided with electrode, the spatially square crossing setting of described water-distributing device and electrode, described flexible dust collecting electrode adopts the uprush direction to pump.
3. the portable flexible dust collecting electrode device of outer water distribution as claimed in claim 1 is characterized in that described both ends of main drive shaft is equipped with stopping means.
4. the portable flexible dust collecting electrode device of outer water distribution as claimed in claim 2 is characterized in that at least one end of described driving shaft and driven shaft is provided with stopping means.
5. such as claim 3 or the portable flexible dust collecting electrode device of 4 described outer water distributions, it is characterized in that described stopping means is limited block or spacing preiection.
6. the portable flexible dust collecting electrode device of outer water distribution as claimed in claim 1 or 2 is characterized in that the plate body that described flexible dust collecting electrode is made of flexible fabric.
7. the portable flexible dust collecting electrode device of outer water distribution as claimed in claim 1 or 2 is characterized in that described water-distributing device is the pipe with aperture or groove.
8. the portable flexible dust collecting electrode device of outer water distribution as claimed in claim 7 is characterized in that the aperture on the described pipe or the spray angle of groove have near two kinds of the tangential angle in point of contact, normal direction angles.
CN 201220411434 2012-08-20 2012-08-20 External water distribution movable type flexible dust collecting electrode device Expired - Fee Related CN202803407U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220411434 CN202803407U (en) 2012-08-20 2012-08-20 External water distribution movable type flexible dust collecting electrode device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220411434 CN202803407U (en) 2012-08-20 2012-08-20 External water distribution movable type flexible dust collecting electrode device

Publications (1)

Publication Number Publication Date
CN202803407U true CN202803407U (en) 2013-03-20

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102784720A (en) * 2012-08-20 2012-11-21 山东大学 External water-distribution movable flexible dust collecting electrode device
CN105032850A (en) * 2015-06-26 2015-11-11 重庆科技学院 Automatic dust removing system of photovoltaic battery packs

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102784720A (en) * 2012-08-20 2012-11-21 山东大学 External water-distribution movable flexible dust collecting electrode device
CN102784720B (en) * 2012-08-20 2015-03-11 山东大学 External water-distribution movable flexible dust collecting electrode device
CN105032850A (en) * 2015-06-26 2015-11-11 重庆科技学院 Automatic dust removing system of photovoltaic battery packs
CN105032850B (en) * 2015-06-26 2017-11-17 重庆科技学院 Photovoltaic cell group automatic dust removing system

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130320

Termination date: 20180820

CF01 Termination of patent right due to non-payment of annual fee