CN205701039U - A kind of wet electrical dust precipitator with multilamellar cylinder electrode - Google Patents

A kind of wet electrical dust precipitator with multilamellar cylinder electrode Download PDF

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Publication number
CN205701039U
CN205701039U CN201620161985.0U CN201620161985U CN205701039U CN 205701039 U CN205701039 U CN 205701039U CN 201620161985 U CN201620161985 U CN 201620161985U CN 205701039 U CN205701039 U CN 205701039U
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China
Prior art keywords
electrode
corona discharge
dust collecting
discharge electrode
collecting electrode
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Expired - Fee Related
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CN201620161985.0U
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Chinese (zh)
Inventor
赖永花
王洪明
陈林宇
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Fujian Cercis Environment Project Co Ltd
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Fujian Cercis Environment Project Co Ltd
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Abstract

The utility model discloses a kind of wet electrical dust precipitator with multilamellar cylinder electrode, including the some dust collecting electrode installed in the enclosure and some corona discharge electrodes, dust collecting electrode and corona discharge electrode are all in cylindrical and alternate sheathed installation successively, corona discharge electrode all discharges towards the face of dust collecting electrode, forms the corona zone of annular between adjacent dust collecting electrode and corona discharge electrode.Dust collecting electrode of the present utility model can inside and outside two-sided be gathered dust, corona discharge electrode can in outside electric discharge, die opening is little, and capacitance is big, and low-voltage can form highfield, and dust-collecting efficiency is high, and simplifies the structure of cleaner unit, it is achieved that the miniaturization of cleaner unit.

Description

A kind of wet electrical dust precipitator with multilamellar cylinder electrode
Technical field
This utility model relates to industrial dedusting field, is specifically related to a kind of wet electrical dust precipitator with multilamellar cylinder electrode.
Background technology
The developing rapidly of modern industry also brings serious environmental pollution while offering convenience to the mankind, and environmental problem has become one of global problem, coal-burning power plant and Industrial Boiler the pollutant produced are the main sources of air environmental pollution.The new thermal power plant's pollutant emission standard (GB13223-2011) promulgated is own formally to be implemented on January 1st, 2012.Wherein regulation coal-burning power plant dust emission limit value 30 mg/m3, environmental bearing capacity higher for territorial development density starts to weaken, atmospheric environment capacity is less, ecological environment frailty or be susceptible to serious atmospheric problem of environmental pollution, and needing the strict key area controlling Air Pollutant Emission, its coal-burning power plant's dust emission limits is down to 20 mg/m3.Appearance along with new standard, the hazard of contaminant environment such as fine solid particle, acid mist, heavy metal and healthy understanding are improved by people the most further, atmosphere pollutants emission standards also can constantly be improved by country, and this fine particulates great to human health damage of particularly PM2.5 will certainly become country's Con trolling index to atmosphere pollutants emission standards.
And existing wet desulfurization system is almost without removing the ability of PM2.5 particulate matter, to hydrargyrum and SO3 The removing of aerosol etc. is the most extremely limited, causes the downstream of chimney wind direction the phenomenon such as " acid rain ", " gypsum rain " often occur, or has " blue smoke " phenomenon of long cigarette tail.Along with the development of industry, the harm that environment is caused by these pollutant is increasingly severe, and the most conventional wet electrical dust precipitators carry out the removing of above-mentioned pollutant.But existing dedusting technology does not still reach preferable effect, it is therefore necessary to study a kind of new, efficiently remove fine solid particle, SO3 The technology of the pollutant such as acid mist, hydrargyrum metal reduces the pollution to environment, and can be applied in commercial production with changing on a large scale.
In consideration of it, the present inventor develops a kind of wet electrical dust precipitator with multilamellar cylinder electrode for this, effectively solving the problems referred to above, this case thus produces.
Utility model content
A kind of wet electrical dust precipitator with multilamellar cylinder electrode that this utility model provides, dust collecting electrode can inside and outside two-sided be gathered dust, corona discharge electrode can discharge interior outside, die opening is little, capacitance is big, and low-voltage can form highfield, and dust-collecting efficiency is high, and simplify the structure of cleaner unit, it is achieved that the miniaturization of cleaner unit.
To achieve these goals, the technical solution of the utility model is as follows:
A kind of wet electrical dust precipitator with multilamellar cylinder electrode, including the some dust collecting electrode installed in the enclosure and some corona discharge electrodes, dust collecting electrode and corona discharge electrode are all in cylindrical and alternate sheathed installation successively, corona discharge electrode all discharges towards the face of dust collecting electrode, forms the corona zone of annular between adjacent dust collecting electrode and corona discharge electrode.
Described corona discharge electrode is in the face of the some prickles for electric discharge of an EDS maps of dust collecting electrode.
Described dust collecting electrode and corona discharge electrode alternate sheathed structure successively, and wherein a corona discharge electrode is in center, are then outwards the most alternately arranged with dust collecting electrode and corona discharge electrode, and outermost layer is dust collecting electrode.
The described corona discharge electrode being in center mask outwardly has the prickle for electric discharge, and inside and outside other corona discharge electrode, two sides is respectively provided with the prickle for electric discharge.
The described corona discharge electrode sprayer unit being provided with corona zone circular arrangement arranged above, sprayer unit for spraying to corona discharge electrode and corona zone by water smoke.
Each shower nozzle of described sprayer unit is respectively provided with respectively in 120 degree of three nozzles arranged.
Described corona discharge electrode hangs fixing by having the hanger wire of outsourcing insulating covering, and is electrically connected by hanger wire and external power source, and dust collecting electrode is fixedly mounted by insulating support and shell, and insulating support is in the position that shell upper is dried.
Equal air holes plate is installed at the smoke inlet of described shell, the cleaned air exit of shell is provided with except mist net, the described corona discharge electrode sprayer unit being provided with corona zone circular arrangement arranged above, sprayer unit, for dust collecting electrode atomized water spray, makes to form continuous print in dust collecting electrode and washes away moisture film.
Described shell is positioned at the lower section of dust collecting electrode and is provided with drainage, drainage includes ash bucket, defecator and cyclic water tank, ash bucket is connected with defecator, defecator is connected with cyclic water tank, the described corona discharge electrode sprayer unit being provided with corona zone circular arrangement arranged above, cyclic water tank is connected with sprayer unit.
Described drainage also includes water supply tank, and water supply tank is connected with sprayer unit.
After using such scheme, this utility model passes through the dust collecting electrode of cylindrical structural and the structure that corona discharge electrode is the most sheathed, thus constitutes the corona zone of annular, makes sheathed dust collecting electrode therein and the two-sided of corona discharge electrode to work, substantially increases dust-collecting efficiency.Wherein cylindrical structure increases capacitance, greatly reduces die opening, makes low-voltage can form highfield, it is achieved low voltage electrostatic dedusting.And due to sheathed structure so that corona zone and Ji Chen district and two are one, simplify the structure of cleaner unit, it is achieved that the miniaturization of cleaner unit.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present embodiment;
Fig. 2 is the top view of the present embodiment dust collecting electrode and corona discharge electrode;
Fig. 3 is the structural representation of sprayer unit;
Fig. 4 is the structural representation of drainage.
Label declaration
Shell 1, smoke inlet 11, equal air holes plate 12, cleaned air outlet 13, except mist net 14, dust collecting electrode 2, corona discharge electrode 3, prickle 31, corona zone 4, sprayer unit 5, nozzle 51, drainage 6, ash bucket 61, defecator 62, cyclic water tank 63, water supply tank 64.
Detailed description of the invention
In order to the technical solution of the utility model is explained further, below by specific embodiment, the utility model is elaborated.
As it is shown in figure 1, be a kind of wet electrical dust precipitator with multilamellar cylinder electrode of this utility model announcement, including the some dust collecting electrode 2 being arranged in shell 1 and some corona discharge electrodes 3.
As in figure 2 it is shown, wherein dust collecting electrode 2 and corona discharge electrode 3 are all in cylinder, and alternate sheathed installation successively.This alternates sheathed structure successively, and wherein a corona discharge electrode 3 is in center, is then outwards the most alternately arranged with dust collecting electrode 2 and corona discharge electrode 3, and outermost layer is dust collecting electrode 2.Wherein corona discharge electrode 3 all discharges towards the face of dust collecting electrode 2, forms the corona zone 4 of annular between adjacent dust collecting electrode 2 and corona discharge electrode 3.
This by corona discharge electrode 3 with the spaced apart mode of dust collecting electrode 2, except making the dust collecting electrode 2(outermost layer being in shell 1) two-sided gather dust, except corona discharge electrode 3(center) also double-sided discharging, die opening is little, cylindrical capacitance is big, and low-voltage can form highfield, it is achieved low voltage electrostatic dedusting.And the corona discharge electrode 3 of cylindrical structural is thick, mechanical strength is high, it is not easy to being damaged by high-tension current or deform, service life is long.Simultaneously because sheathed structure so that corona zone 4 and Ji Chen district and two is one, simplifies the structure of cleaner unit, it is achieved that the miniaturization of cleaner unit, adds range of application.
Corona discharge electrode 3 is in the face of the some prickles 31 for electric discharge of an EDS maps of dust collecting electrode 2, and for the present embodiment, being in the corona discharge electrode 3 at center mask outwardly has the prickle 31 for electric discharge, and inside and outside other corona discharge electrode 3, two sides is respectively provided with the prickle 31 for electric discharge.Corona discharge electrode compared to tradition electric discharge completely, the corona current with prickle 31 point discharge can exceed about one times, and concentrate especially at the most advanced and sophisticated electronics produced of prickle 31 and ion, the electric wind speed that ion flow promotes air and formed stretches out direction up to 0.5-1m/s at prickle 31 tip.Make this cleaner unit that the efficiency of dust collection of 0.5-5 micron grit is reached more than 99%.
Corona discharge electrode 3 sprayer unit 5 being provided with corona zone 4 circular arrangement arranged above, sprayer unit 5 for spraying to corona discharge electrode 3 and corona zone 4 by water smoke, as it is shown on figure 3, each shower nozzle of this sprayer unit 5 is respectively provided with respectively in 120 degree of three nozzles 51 arranged, so that atomized water spray is more evenly distributed.To be atomized further after water smoke is charged in the powerful corona field that corona discharge electrode 3 is formed.At impact interception and the absorption coalescence of corona zone 4, electric field force, and charged water spray, powder dust particle playing trapping effect jointly, final powder dust particle arrives dust collecting electrode 2 under the driving of electric field force.Droplet can form uniform and thin moisture film when arriving in dust collecting electrode 2, can stop " secondary fly-up " of low resistivity (low-resistivity) dust, high specific resistance (high resistivity) dust be played quenched effect, prevents the generation of " inverse corona " phenomenon.Wherein being injected in the water smoke on corona discharge electrode 3 can keep corona discharge electrode 3 to clean, and makes corona the most vigorous.
Wherein sprayer unit 5 is additionally operable to dust collecting electrode 2 atomized water spray, makes to form continuous print in dust collecting electrode 2 and washes away moisture film, makes absorption dust etc. in dust collecting electrode 2 be washed, to play transfer dust and to keep the effect of dust collecting electrode 2 cleaning.
Wherein corona discharge electrode 3 hangs fixing by the hanger wire (not shown) with outsourcing insulating covering, and electrically connected by hanger wire and external power source, dust collecting electrode 2 is fixedly mounted by insulating support (not shown) and shell 1, and insulating support is in the position that shell 1 top is dried.In order to enable flue gas to uniformly enter corona zone 4, equal air holes plate 12 is installed at the smoke inlet 11 of shell 1.Owing to purified gas humidity is relatively big, export at the cleaned air of shell 1 for this and be provided with at 13 except mist net 14.
For the ease of processing the buck that dust collecting electrode 2 upper punch brushes down, the lower section being positioned at dust collecting electrode 2 at shell 1 is provided with drainage 6, as shown in Figure 4, drainage 6 includes ash bucket 61, defecator 62 and cyclic water tank 63, ash bucket 61 is connected with defecator 62, defecator 62 is connected with cyclic water tank 63, and cyclic water tank 63 is connected with sprayer unit 5.Buck is after ash bucket 61 flows out, and after defecator 62 is cleaned into clean water, flows into cyclic water tank 63, and cyclic water tank 63 then for supplying water to sprayer unit 5, to reach recycling of water, has been saved and used water.Drainage 6 also includes that water supply tank 64, water supply tank 64 are also connected with sprayer unit 5, and effect is when cyclic water tank 63 water yield is inadequate, by water supply tank 64 for feedwater.
The present embodiment can be used for high temperature fume dust removal it can also be used to absorb gas pollutant.
These are only preferred embodiment of the present utility model, the not restriction to protection domain of the present utility model.All equivalent variations done according to the mentality of designing of this case, each fall within the protection domain of this case.

Claims (10)

1. a wet electrical dust precipitator with multilamellar cylinder electrode, it is characterized in that: include some dust collecting electrode in the enclosure and some corona discharge electrodes are installed, dust collecting electrode and corona discharge electrode are all in cylindrical and alternate sheathed installation successively, corona discharge electrode all discharges towards the face of dust collecting electrode, forms the corona zone of annular between adjacent dust collecting electrode and corona discharge electrode.
A kind of wet electrical dust precipitator with multilamellar cylinder electrode, it is characterised in that: described corona discharge electrode is in the face of the some prickles for electric discharge of an EDS maps of dust collecting electrode.
A kind of wet electrical dust precipitator with multilamellar cylinder electrode, it is characterized in that: described dust collecting electrode and corona discharge electrode alternate sheathed structure successively and be, wherein a corona discharge electrode is in center, then being outwards the most alternately arranged with dust collecting electrode and corona discharge electrode, outermost layer is dust collecting electrode.
A kind of wet electrical dust precipitator with multilamellar cylinder electrode, it is characterised in that being in the corona discharge electrode at center mask outwardly described in: has the prickle for electric discharge, and inside and outside other corona discharge electrode, two sides is respectively provided with the prickle for electric discharge.
A kind of wet electrical dust precipitator with multilamellar cylinder electrode, it is characterised in that: the described corona discharge electrode sprayer unit being provided with corona zone circular arrangement arranged above, sprayer unit for spraying to corona discharge electrode and corona zone by water smoke.
A kind of wet electrical dust precipitator with multilamellar cylinder electrode, it is characterised in that: each shower nozzle of described sprayer unit is respectively provided with respectively in 120 degree of three nozzles arranged.
A kind of wet electrical dust precipitator with multilamellar cylinder electrode, it is characterized in that: described corona discharge electrode hangs fixing by having the hanger wire of outsourcing insulating covering, and electrically connected by hanger wire and external power source, dust collecting electrode is fixedly mounted by insulating support and shell, and insulating support is in the position that shell upper is dried.
A kind of wet electrical dust precipitator with multilamellar cylinder electrode, it is characterized in that: equal air holes plate is installed at the smoke inlet of described shell, the cleaned air exit of shell is provided with except mist net, the described corona discharge electrode sprayer unit being provided with corona zone circular arrangement arranged above, sprayer unit, for dust collecting electrode atomized water spray, makes to form continuous print in dust collecting electrode and washes away moisture film.
A kind of wet electrical dust precipitator with multilamellar cylinder electrode, it is characterized in that: described shell is positioned at the lower section of dust collecting electrode and is provided with drainage, drainage includes ash bucket, defecator and cyclic water tank, ash bucket is connected with defecator, defecator is connected with cyclic water tank, the described corona discharge electrode sprayer unit being provided with corona zone circular arrangement arranged above, cyclic water tank is connected with sprayer unit.
A kind of wet electrical dust precipitator with multilamellar cylinder electrode, it is characterised in that: described drainage also includes water supply tank, and water supply tank is connected with sprayer unit.
CN201620161985.0U 2016-03-03 2016-03-03 A kind of wet electrical dust precipitator with multilamellar cylinder electrode Expired - Fee Related CN205701039U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105689138A (en) * 2016-03-03 2016-06-22 福建紫荆环境工程技术有限公司 Wet-type electric precipitator with multiple layers of cylinder electrodes
CN107670827A (en) * 2017-11-04 2018-02-09 陈晓勇 A kind of stalk dustless disintegrating apparatus of wisdom agricultural use

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105689138A (en) * 2016-03-03 2016-06-22 福建紫荆环境工程技术有限公司 Wet-type electric precipitator with multiple layers of cylinder electrodes
CN107670827A (en) * 2017-11-04 2018-02-09 陈晓勇 A kind of stalk dustless disintegrating apparatus of wisdom agricultural use
CN107670827B (en) * 2017-11-04 2019-04-26 安徽灵杨农机制造有限公司 A kind of dustless disintegrating apparatus of stalk of wisdom agricultural use

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

Granted publication date: 20161123

Termination date: 20190303

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