CN206415224U - High flow rate wet electrical dust precipitator - Google Patents
High flow rate wet electrical dust precipitator Download PDFInfo
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- CN206415224U CN206415224U CN201720018170.1U CN201720018170U CN206415224U CN 206415224 U CN206415224 U CN 206415224U CN 201720018170 U CN201720018170 U CN 201720018170U CN 206415224 U CN206415224 U CN 206415224U
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- 239000000428 dust Substances 0.000 title claims abstract description 39
- 239000012716 precipitator Substances 0.000 title claims abstract description 31
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 44
- 239000003546 flue gas Substances 0.000 claims abstract description 44
- 239000012212 insulator Substances 0.000 claims abstract description 40
- 239000007789 gas Substances 0.000 claims abstract description 37
- 239000007921 spray Substances 0.000 claims abstract description 25
- 238000000889 atomisation Methods 0.000 claims abstract description 19
- 238000009826 distribution Methods 0.000 claims abstract description 17
- 238000007664 blowing Methods 0.000 claims abstract description 14
- 230000005684 electric field Effects 0.000 claims abstract description 14
- 230000002262 irrigation Effects 0.000 claims abstract description 10
- 238000003973 irrigation Methods 0.000 claims abstract description 10
- 230000008676 import Effects 0.000 claims abstract description 8
- 238000004140 cleaning Methods 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- 239000000725 suspension Substances 0.000 claims description 12
- 239000000443 aerosol Substances 0.000 claims description 11
- 239000002253 acid Substances 0.000 claims description 9
- 239000003595 mist Substances 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 8
- 238000011010 flushing procedure Methods 0.000 claims description 7
- 230000005514 two-phase flow Effects 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 5
- 230000001413 cellular effect Effects 0.000 claims description 4
- 239000003500 flue dust Substances 0.000 claims description 4
- 238000005469 granulation Methods 0.000 claims description 4
- 230000003179 granulation Effects 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000013618 particulate matter Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 238000000034 method Methods 0.000 description 12
- 229910000831 Steel Inorganic materials 0.000 description 8
- 238000010586 diagram Methods 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 238000006477 desulfuration reaction Methods 0.000 description 7
- 230000023556 desulfurization Effects 0.000 description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000003825 pressing Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
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- 229910052753 mercury Inorganic materials 0.000 description 4
- 229910000975 Carbon steel Inorganic materials 0.000 description 3
- 229910021529 ammonia Inorganic materials 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000010962 carbon steel Substances 0.000 description 3
- 235000019504 cigarettes Nutrition 0.000 description 3
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- 230000007613 environmental effect Effects 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 239000011152 fibreglass Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 229910001385 heavy metal Inorganic materials 0.000 description 3
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 3
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000003009 desulfurizing effect Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
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- 150000002500 ions Chemical class 0.000 description 2
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- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910001200 Ferrotitanium Inorganic materials 0.000 description 1
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 1
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 239000000809 air pollutant Substances 0.000 description 1
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- 238000003915 air pollution Methods 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000010405 anode material Substances 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
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- 238000004519 manufacturing process Methods 0.000 description 1
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- 229910021645 metal ion Inorganic materials 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
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- 239000011208 reinforced composite material Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
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- 239000004945 silicone rubber Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
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- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- 239000012719 wet electrostatic precipitator Substances 0.000 description 1
- 238000005550 wet granulation Methods 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
- Electrostatic Separation (AREA)
Abstract
The utility model provides a kind of high flow rate wet electrical dust precipitator, wherein, the atomization humidification system is arranged on the porch of the flue gas；The uniform gas distribution system is arranged on the top of the atomization humidification system, for the flue gas stream to be evenly distributed；The trapping system is arranged on the top of the uniform gas distribution system, and the trapping system includes negative electrode and anode, for trapping the flue gas；The spray irrigation system is arranged on the top of the trapping system, for cleaning the trapping system；The high voltage power supply is placed in outside the housing, the high voltage power supply is used to produce high-tension current, the high-tension current imports the insulator box and introduces the trapping system, and high voltage electric field is formed between the negative electrode and the anode and corona discharge is produced, the flue gas is ionized；The hot-air blowing system, for providing hot blast positive pressure protection to the insulator box.Flue gas after wet desulphurization, can effectively dedusting, demisting by this device.
Description
Technical field
The utility model is related to smoke gas treatment field, more particularly to a kind of high flow rate wet electrical dust precipitator, is particularly suitable for use in
Wet process of FGD dust removal field.
Background technology
Issued on July 29th, 2011 in national environmental protection portion《Fossil-fuel power plant atmospheric pollutant emission standard》(GB13223-
2011), issued on June 27th, 2012《Steel sintering, pelletizing industrial air pollution thing discharge standard》, both existing
Standard has carried out tightened up requirement to various Air Pollutant Emission limit values, and wherein key area soot emissions limit value is
20mg/Nm3。
Current power plant and steel mill's flue gas desulfurization mainstream technology are calcium base wet-process desulfurization, although technology maturation, synthesis desulfurating rate
Height, but there are problems that：Outlet flue dust measured value is typically difficult to reach new standard；Fine dust (PM2.5) and gas are molten
Glue clearance is low；The problem of being in saturation state, generally existing chimney " emitting white cigarette " due to flue gas, " landscape " is seriously polluted.
Above-mentioned situation causes increasingly severe puzzlement to manufacturing enterprise, nearby residents or even environmental administration, especially
Recent years, Environmental protection was increasingly paid attention to, and environment protectment protection is increasingly strict, this new high flow rate wet-esp
Device provides a kind of technical scheme for solving problem above.
This device technique derives from Wet-electric duster (WESP), and wet electric dust-removing (WESP) is widely used in system at home
Sour industry, is a very ripe technology, but exhaust gas volumn is small (is usually no more than 5000m due to monomer processing for the technology3/ h), behaviour
Make the processing that the reasons such as gas velocity low (0.5~0.8m/s) are not used to big exhaust gas volumn after wet desulphurization.And the present apparatus is large-scale wet
Method desulfurizer provides a kind of solution of reply Problems Existing, while the effect of multiple pollutant joint removing can be reached
Really.
Utility model content
The purpose of this utility model is to provide a kind of high flow rate wet electrical dust precipitator, and the flue gas after wet desulphurization passes through this
Device, can effectively dedusting, demisting.
To achieve these goals, the utility model provides following technical scheme：
A kind of high flow rate wet electrical dust precipitator, sets gradually in the housing of the electric cleaner along the flow direction of the flue gas
There are atomization humidification system, uniform gas distribution system, trapping system, spray irrigation system, electric power system and hot-air blowing system, its
In, the atomization humidification system is arranged on the porch of the flue gas, for carrying out humidification granulation to the flue gas；The air-flow
Equal distribution system is arranged on the top of the atomization humidification system, for the flue gas stream to be evenly distributed；The trapping system
The top of the uniform gas distribution system is arranged on, the trapping system includes negative electrode and anode, for trapping the flue gas；It is described
Spray irrigation system is arranged on the top of the trapping system, for cleaning the trapping system；The electric power system includes height
Voltage source and insulator box, the high voltage power supply are placed in outside the housing, and the high voltage power supply is used to produce high-tension current, described
High-tension current imports the insulator box and introduces the trapping system, and high-tension electricity is formed between the negative electrode and the anode
Field simultaneously produces corona discharge, ionizes the flue gas；The hot-air blowing system, for providing hot blast malleation to the insulator box
Protection.
Further, in above-mentioned high flow rate wet electrical dust precipitator, the negative electrode is used to improve in the trapping system
It is charged when the flue gas is by the trapping system than electric current and electric-field intensity, it is charged after the flue gas in acid mist, cigarette
Dirt and aerosol particles arrive at the anode in the presence of electric field force.
Further, in above-mentioned high flow rate wet electrical dust precipitator, the anode is in cellular, and by multiple regular hexagons
Anode tube is bonded.
Further, in above-mentioned high flow rate wet electrical dust precipitator, the negative electrode includes cathode line and fixed frame；It is described
Fixed frame includes the first framework and the second framework, and second framework is relative to first framework away from the housing
The heart, first framework framework, the first underframe, some girders and some strutbeams on first are constituted, framework on described first
It is be arranged in parallel with first underframe, framework is located at the top of first underframe, some strutbeams on described first
Half strutbeam by framework in two girders connections described first, second half strutbeam of some strutbeams passes through two
The girder connects first underframe, the strutbeam of framework and connection first underframe in connection described first
The strutbeam between be hung with cathode line；The conductive plate is fixed on the strutbeam；
Second framework framework, the second underframe, some girders and some strutbeams on second are constituted, on described second
Framework and second underframe be arranged in parallel, and framework is located at the top of second underframe on described second, some described
The half strutbeam of strutbeam is passed through by framework in two girder connections described second, second half strutbeam of some strutbeams
Two girders connect second underframe, in connection described second under the strutbeam of framework and connection described second
Cathode line is wound between the strutbeam of framework；The conductive plate is fixed on the strutbeam.
Further, in above-mentioned high flow rate wet electrical dust precipitator, the spray irrigation system includes spray tube hanger, spray
Shower pipe, nozzle and valve, the spray tube hanger are connected on the housing, and the shower is connected to the spray tube hanger
On, the nozzle is arranged on the shower, and the nozzle includes electrically operated valve by the Valve controlling folding, the valve
And manually-operated gate, to realize the switching of electronic auto-flushing and manual flushing.
Further, in above-mentioned high flow rate wet electrical dust precipitator, the uniform gas distribution system is porous plate, it is preferable that
The porous plate be arranged in parallel two layers.
Further, in above-mentioned high flow rate wet electrical dust precipitator, the hot-air blowing system includes electrical control cabinet, wind
Machine, heater, pipeline and valve, the electrical control cabinet are used for providing electric energy for the hot-air blowing system, the wind
One end of the outlet connection heater of machine, the other end of the heater connects the pipeline, and the pipeline is used to export
Valve is provided with wind after heating, the pipeline, the exit of the blower fan is additionally provided with filter.
Further, in above-mentioned high flow rate wet electrical dust precipitator, multiple insulator boxes are provided with, the insulator box connects
The high voltage power supply is connect, the insulator box includes cylinder, top cover, insulator, electric heater and suspension rod, the center of the cylinder
Position is provided with insulator, and the suspension rod is through the center of the insulator and extends to outside the cylinder, and the suspension rod is in institute
Stating the connection negative electrode of the end outside cylinder makes the negative electrode powered；The electric heater is arranged on the cylinder；The cylinder
Internal side is disposed with heat-insulation layer；Silica gel sealing pad is provided between the top cover and the cylinder, for the cylinder to be sealed.
Further, in above-mentioned high flow rate wet electrical dust precipitator, the atomization humidification system includes two-phase flow and is atomized spray
Mouth, independent water inlet pipe and air inlet pipe, the water inlet pipe and the air inlet pipe above under type are fixed on the housing, described
Two-phase flow atomizer sprays atomized water after the gas in the water in the water inlet pipe and the air inlet pipe is mixed, and removes the electricity
Particulate matter convergence weightening in the flue gas of dirt device import.
Further, in above-mentioned high flow rate wet electrical dust precipitator, the high voltage power supply provides high-voltage constant current source.
The high flow rate wet electrical dust precipitator that embodiment of the present utility model is provided is uneven using high direct voltage electric forming high pressure
Even electric field makes gas ionization to produce corona discharge, cause to be dispersed in grit and acid mist in gas and negative ion meet and
It is charged, under electric field force effect, anode 31 is shifted to, so as to reach the purpose of purification gas.Flue gas after wet desulphurization passes through this
Device, can effectively dedusting, demisting, and can remove SO3Aerosol, NH3Aerosol (ammonia process of desulfurization), fine dust
(the PM2.5 heavy metal such as), bioxin, fine drop, mercury.
Brief description of the drawings
The Figure of description for constituting the part of the application is used for providing further understanding to of the present utility model, this practicality
New schematic description and description is used to explain the utility model, does not constitute to improper restriction of the present utility model.
Wherein：
Fig. 1 is the schematic front view of the embodiment of the utility model one；
Fig. 2 is the schematic top plan view of embodiment in Fig. 1；
Fig. 3 is the schematic top plan view of atomization humidification system；
Fig. 4 is the schematic front view of atomization humidification system；
Fig. 5 is enlarged diagram at C in Fig. 4；
Fig. 6 is the schematic diagram of uniform gas distribution system；
Fig. 7 is the enlarged diagram at B in Fig. 6；
Fig. 8 is the schematic front view of the framework of cathod system first；
Fig. 9 is the schematic top plan view of the framework of cathod system first；
Figure 10 is the left view schematic diagram of the framework of cathod system first；
Figure 11 is the schematic front view of the framework of cathod system second；
Figure 12 is the schematic top plan view of the framework of cathod system second；
Figure 13 is the left view schematic diagram of the framework of cathod system second；
Figure 14 is the schematic front view of spray irrigation system；
Figure 15 is the schematic top plan view of spray irrigation system；
Figure 16 is the enlarged diagram at D in Figure 15；
Figure 17 is the schematic diagram of hot-air blowing system；
Figure 18 is the position view of insulator box；
Figure 19 is the schematic diagram of insulator；
Figure 20 is the schematic front view of anode system；
Figure 21 is the schematic top plan view of anode system.
Description of reference numerals：1 atomization humidification system；；12 water inlets；13 air inlets；14 support frame beams；15 two-phase flow mists
Change nozzle；16 water inlet pipes；17 air inlet pipe；18 square tubes；2 uniform gas distribution systems；21 porous plates；3 trapping systems；31 anodes；311 sun
Pole pipe；32 negative electrodes；321 cathode lines (prickle wire)；The frameworks of 322- first；Framework on 323- first；324 conductive plates；325 strutbeams；
326 girders；The underframes of 327- first；The frameworks of 330- second；Framework on 331- second；332 conductive plates；333 strutbeams；334 girders；
The underframes of 335- second；4 are sprayed system；41 showers；42 nozzles；；；43 spray tube hangers；44 pressing plates；45-U type spiral shells
Bolt；5 hot-air blowing systems；51 blower fans；52 heaters；53 pipelines；54 valves；55 filters；56 electrical control cabinets；6 insulators
Case；61 manhole doors；62 insulators；63 top covers；64 silicone rubber seal gaskets；65 heat-insulation layers；66 cylinders；67 electric heaters；68 suspension rods；
7 high voltage power supplies；8 inspection platforms；9 housings；91st 1 area；92nd 2 area；93rd 3 area；94th 4 area.
Embodiment
Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.It should be noted that not conflicting
In the case of, the feature in embodiment and embodiment in the application can be mutually combined.
In description of the present utility model, term " longitudinal direction ", " transverse direction ", " on ", " under ", "front", "rear", "left", "right",
The orientation or position relationship of the instruction such as " vertical ", " level ", " top ", " bottom " be based on orientation shown in the drawings or position relationship,
It is for only for ease of description the utility model rather than requires that the utility model must be with specific azimuth configuration and operation, therefore
It is not intended that to limitation of the present utility model.The term " connected " that is used in the utility model, " connection " should be interpreted broadly,
For example, it may be being fixedly connected or being detachably connected；Can be joined directly together, can also be indirect by intermediate member
It is connected, for the ordinary skill in the art, the concrete meaning of above-mentioned term can be understood as the case may be.
As shown in Fig. 1 to Figure 21, according to embodiment of the present utility model there is provided a kind of high flow rate wet electrical dust precipitator,
In the housing 9 of electric cleaner atomization humidification system 1, uniform gas distribution system 2, trapping system are disposed with along the flow direction of flue gas
3rd, system 4, electric power system and hot-air blowing system 5 are sprayed, wherein, atomization humidification system 1 is arranged on the porch of flue gas,
For carrying out humidification granulation to flue gas；Uniform gas distribution system 2 is arranged on the top of atomization humidification system 1, for by flue gas stream
Evenly distribute；Trapping system 3 is arranged on the top of uniform gas distribution system 2, and trapping system 3 includes negative electrode 32 and anode 31, is used for
Flue gas is trapped, anode 31 is receiving electrode；Spray irrigation system 4 is arranged on the top of trapping system 3, for cleaning trapping system 3；
Electric power system includes high voltage power supply 7 and insulator box 6, and high voltage power supply 7 is placed in outside housing 9, and high voltage power supply 7 is used to produce high-tension electricity
Stream, high-tension current imports insulator box 6 and introduces trapping system 3, and high voltage electric field is formed between negative electrode 32 and anode 31 and is produced
Raw corona discharge, ionizes flue gas；Hot-air blowing system 5, for providing hot blast positive pressure protection to insulator box 6.
The high flow rate wet electrical dust precipitator that embodiment of the present utility model is provided is uneven using high direct voltage electric forming high pressure
Even electric field makes gas ionization to produce corona discharge, cause to be dispersed in grit and acid mist in gas and negative ion meet and
It is charged, under electric field force effect, anode 31 is shifted to, so as to reach the purpose of purification gas.Flue gas after wet desulphurization passes through this
Device, can effectively dedusting, demisting, and can remove SO3Aerosol, NH3Aerosol (ammonia process of desulfurization), fine dust
(the PM2.5 heavy metal such as), bioxin, fine drop, mercury.
Further, negative electrode 32 is used to improve ratio electric current and the electric-field intensity in trapping system 3, and flue gas passes through trapping system
It is charged when 3, it is charged after flue gas in acid mist, flue dust and aerosol particles anode 31 is arrived in the presence of electric field force.Sun
Pole 31 preferably in cellular, is bonded by multiple regular hexagon anode tubes 311, therefore anode 31 is also referred to as honeycomb tubular type sun
Pole, it is preferred to use advanced laminate bond technique, full-automatic molding, makes every anode tube 311 have perfect globality, intensity
Height, the concentricity of anode tube 311, the depth of parallelism are high.Anode is honeycomb group modularized design simultaneously, is easily installed.
Anode material uses electroconductive frp, electroconductive frp be GRP (Fiberglass Reinforce plastic,
Fiberglass) conductive carbon fibre reinforced composite material.
Further, negative electrode 32 includes cathode line 321 and fixed frame；Fixed frame includes the first framework 322 and second
Framework 330, the first framework 322 is relative to the second framework 330 close to the center of housing 9, the first framework on first of framework 322
323rd, the first underframe 327, some girders 326 and some strutbeams 325 are constituted, and the underframe 327 of framework 323 and first is flat on first
Row is set, and framework 323 is located at the top of the first underframe 327 on first, and the half strutbeam 325 of some strutbeams 325 passes through two
Framework 323 in the connection of girder 326 first, second half strutbeam 325 of some strutbeams 325 is connected under first by two girders 326
Framework 327, the moon is hung with connection first between the strutbeam 325 of framework 323 and the strutbeam 325 for connecting the first underframe 327
Polar curve 321；Conductive plate 324 is fixed on strutbeam 325；
Second framework 330 333 groups of framework 331, the second underframe 335, some girders 334 and some strutbeams on second
Into, the underframe 335 of framework 331 and second be arranged in parallel on second, and framework 331 is located at the top of the second underframe 335 on second,
The half strutbeam 333 of some strutbeams 333 connects framework 331 on second by two girders 334, some strutbeams 333 second half
Strutbeam 333 connects the second underframes 335 by two girders 334, the strutbeam 333 of framework 331 and the connection the in connection second
Cathode line 321 is hung between the strutbeam 333 of two underframes 335；Conductive plate 332 is fixed on strutbeam 333.
Fixed on girder 326 and first between the underframe 327 of framework 323 and first by long bolt, on girder 334 and second
Fixed between the underframe 335 of framework 331 and second by long bolt；Girder 326 is bolted with strutbeam 325, the strutbeam of girder 334
333 are bolted；There is hole at the two ends of cathode line (prickle wire) 321, and cathode line 321 is with strutbeam (325,333) by bolt connection.
Cathode line 321 is preferably made by steel pipe with prickle, therefore cathode line 321 is also referred to as into prickle wire；Steel pipe two
After side pressure is flat, a hole is respectively bored, integral arrangement prickle, prickle is arranged by 50mm, 60 ° of the anglec of rotation is spaced successively, steel pipe and awns
It is 2205 stainless steels or titanium steel material to pierce material；First framework 322 and the second framework 330 are using carbon steel outsourcing FRP (Fiber
Reinforced Plastics, fiberglass).Improve than electric current and electric-field intensity, and its high efficiency and corrosion resistance can be good
Meet New type wet electrostatic precipitator use requirement.Meanwhile, the lower end of cathode line (prickle wire) 321 considers what overall cathode line was fixed
Measure, can preferably meet the requirement of high operating gas velocity.
Further, it is sprayed system 4 and includes spray tube hanger 43, shower 41, nozzle 42 and valve 54, shower
Suspension bracket 43 is connected on housing 9, and shower 41 is connected on spray tube hanger 43, and nozzle 42 is arranged on shower 41, nozzle
42 by Valve controlling folding, and valve includes electrically operated valve and manually-operated gate, to realize cutting for electronic auto-flushing and manual flushing
Change.
As shown in figure 16, multiple nozzles 42 are disposed with shower 41, shower 41 is placed in the U-shaped of the formation of U-bolt 45
The bottom in space, is placed with square tube, square tube and is placed with pressing plate 44 in the above, by the way that pressing plate 44 is fixed on U-bolt,
So that pressing plate 44 extrudes square tube, so as to extrude shower 41, realize that shower is fixed on U-bolt, nozzle 42 is using hollow
Spiral nozzle, the spacing of two nozzles 42 is 800mm, and nozzle 42 is fixed on shower 41 by U-bolt 45 and pressing plate 44.Spray
The optional clear water or faintly acid recirculated water without impurity of rinse-system 4 is drenched, it is consistent with the mist eliminator flushing water of desulfurization.
Further, uniform gas distribution system 2 is porous plate 21, it is preferable that porous plate 21 be arranged in parallel two layers, in electric precipitation
Total cross-section is arranged in the housing 9 of device, evenly distributes air-flow.
Further, multiple insulator boxes 6 are provided with, the connection high voltage power supply 7 of insulator box 6, insulator box 6 includes cylinder
66th, top cover 63, insulator 62, electric heater 67 and suspension rod 68, the center of cylinder 66 are provided with insulator 62, suspension rod 68
Through the center of insulator 62 and extend to outside cylinder 66, end connection negative electrode of the suspension rod 68 outside cylinder 66 makes cathode line 321
It is powered；Electric heater 67 is arranged on cylinder 66；The disposed inboard of cylinder 66 has heat-insulation layer 65；Set between top cover 63 and cylinder 66
There is silica gel sealing pad, for cylinder 66 to be sealed.Manhole door 61 is provided with cylinder 66 to facilitate maintenance personal to enter cylinder 66
Relevant device is repaired inside.Inspection platform 8 is provided with housing 9.
Cylinder 66, top cover 63 are made for carbon steel, and heat-insulation layer 65 is incubated using alumina silicate fibre, it is ensured that its heat insulating ability more may be used
Lean on.
Further, hot-air blowing system 5 includes electrical control cabinet 56, blower fan 51, heater 52, pipeline 53 and valve
54, electrical control cabinet 56 is used for providing electric heat supply wind purging system 5, and the one of the outlet connection heater 52 of blower fan 51
End, the other end connecting line 53 of heater 52, pipeline 53, which is used to export on the wind after heating, pipeline 53, is provided with valve 54,
Preferably, valve 54 is pneumatic flange butterfly, and heater 52 is air heater.Filtering is additionally provided with the exit of blower fan 51
Device 55.Because high flow rate wet electrical dust precipitator is operation under positive pressure, to prevent insulator 62 from condensing and polluting, insulator box 6 is used
Hot blast positive-pressure protecting device is hot-air blowing system 5, interior in addition to set electric heater dual fail-safe, it is ensured that the insulating properties of insulator 62 more may be used
Lean on.Hot blast is made up of heater 52, high pressure positive blower 51 and pipe valve.Electric heater 52 and temperature are set inside insulator box 6 certainly
Dynamic control device, homogeneous heating, temperature detection is accurate, can effectively prevent fog from entering insulator box 6, and prevent moisture knot
Dew, there is certain space for maintenance.
Further, atomization humidification system 1 includes nozzle assembly (two-phase flow atomizer 15), the independent and of water inlet pipe 16
Air inlet pipe 17, water inlet pipe 16 and air inlet pipe 17 are all fixed on housing 9 by being fixed in support frame beams 14, and both are above and below
Mode is set, in Fig. 4~5, and water inlet pipe 16 is located at the gas in the water and air inlet pipe 17 in the top of air inlet pipe 17, water inlet pipe 16
After being mixed at nozzle assembly 15, atomized water is sprayed by nozzle assembly 15, particulate matter in the flue gas of electric cleaner import is converged
Weightening.Water enters water inlet pipe 16, gas by air inlet 13 into air inlet pipe 17 by water inlet 12, and water is gentle to be mixed at nozzle assembly 15
Atomized water is sprayed after conjunction, makes particulate matter convergence weightening in the flue gas at electric cleaner import, removes and create conditions after being.Square tube
18 supports being used between water inlet pipe 16 and air inlet pipe 17.
Atomization humidification system 1 is arranged on the porch i.e. bottom of uniform gas distribution system of flue gas, for increasing to flue gas
Wet granulation；Nozzle assembly 15 is preferred to use two-phase flow atomizer and flue gas continuous water spray is atomized, and can be cooled down by this system
Flue gas, is conducive to the formation of moisture film, improves efficiency of dust collection.
Further, high voltage power supply 7 provides high-voltage constant current source.
High flow rate wet electrical dust precipitator can use integrated design with desulfurizing tower, positioned at desulfurizing tower top.High flow rate wet type
Electric cleaner is bottom in and top out gas mode, and vertical structure, honeycomb tubular anode 31 has shell, substantial amounts of acid outside the pipe of anode 31
Mist particle is constantly driven to anode 31, while electric charge is discharged rapidly, so as to reach acid mist, flue dust, aerosol particles etc. and cigarette
Qi leel from purpose.In the process in order to ensure trap section cleaning, be periodically rinsed.
The material of housing 9 is carbon steel glass inner-lining scale, and steel plate thickness is not less than 12mm；Upper outlet end socket main material is glass
Glass steel, which is glass fibre, resin material is compound is made, and thickness is not less than 15mm, and inside is strengthened using shaped steel Q235A skeletons.
Concrete scheme：The m of design treatment exhaust gas volumn 2,400,0003/ h, high flow rate wet electrical dust precipitator each system comprising more than,
The anode of trapping system has 1880 pipes, point 20 modules, and cellular inscribed circle diameter is 350mm, long 4.5m；Negative electrode is used
Titanium alloy prickle wire, totally 1880 polar curves；Referring to Figure 18, the present apparatus is divided into 4 service areas, i.e. an area 91, two areas 92, three areas 93
With four areas 94 (area 91, two areas 92, three areas 93 and four areas 94 are set gradually from left to right on the cross section of housing 9), each
Independent 6 each 4 sets of insulator box is matched somebody with somebody at the top of service area, wherein there is an insulator box 6 with lead, high voltage power supply uses constant current
Source 72KV, 2.0A power；4 service areas (room) are sprayed one by one, and 5~10min is rinsed in each area, according to actual motion work
Condition, is cleaned 1~2 time for 24 hours.In order to corresponding with anode system, the first framework of cathod system 322 is used for two areas 92 and/or three
Area 93, i.e. the first framework 322 are arranged in two areas 92 and/or three areas 93, and now the first framework 322 is called frame type A, cathod system
Second framework 330 is arranged in an area 91 and/or four areas 94 for an area 91 and/or four areas 94, i.e. the second framework 330, now claims
Second framework 330 is frame type B.
As can be seen from the above description, the utility model the above embodiments realize following technique effect：
The tube bank of present apparatus anode uses full-automatic trombone slide forming technique, it is ensured that uniform conductance, and performance, which is far superior to, to be worked as
Preceding hand paste technique；
The present apparatus carries out humidification granulation using specially designed atomization system to flue gas, greatly improves the particles such as fine dust
The clearance of thing, it is ensured that device outlet granule density is less than 5mg/Nm3；
High operating gas velocity, gas velocity is up to more than 3.3m/s；
The huge sum of money such as Hg, As steam can be dissolved with gaseous state, coalescence enters in acid mist and is together removed, to the Hg in flue gas
Deng metal ion clearance up to more than 75%；
Pressure drop is minimum, 300~400Pa；
Bag-type dust after corresponding desulfurization, the present apparatus is higher to droplet, aerosol particle removal efficiency, removes particle diameter more
It is small；
The present apparatus is in addition to dedusting, defrosting function, it is possible to achieve the joint removing of multiple pollutant, can effectively go
Except SO3Aerosol, NH3Aerosol (ammonia process of desulfurization), fine dust (PM2.5), fine drop, the heavy metal of mercury；
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this area
Technical staff for, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle within,
Any modification, equivalent substitution and improvements made etc., should be included within protection domain of the present utility model.
Claims (10)
1. a kind of high flow rate wet electrical dust precipitator, it is characterised in that along the stream of the flue gas in the housing of the electric cleaner
Blown to atomization humidification system, uniform gas distribution system, trapping system, spray irrigation system, electric power system and hot blast is disposed with
System is swept, wherein,
The atomization humidification system is arranged on the porch of the flue gas, for carrying out humidification granulation to the flue gas；
The uniform gas distribution system is arranged on the top of the atomization humidification system, for the flue gas stream to be evenly distributed；
The trapping system is arranged on the top of the uniform gas distribution system, and the trapping system includes negative electrode and anode, is used for
Trap the flue gas；
The spray irrigation system is arranged on the top of the trapping system, for cleaning the trapping system；
The electric power system includes high voltage power supply and insulator box, and the high voltage power supply is placed in outside the housing, the high-tension electricity
Source is used to produce high-tension current, and the high-tension current imports the insulator box and introduces the trapping system, in the negative electrode
High voltage electric field is formed between the anode and corona discharge is produced, the flue gas is ionized；
The hot-air blowing system, for providing hot blast positive pressure protection to the insulator box.
2. high flow rate wet electrical dust precipitator according to claim 1, it is characterised in that the negative electrode is used to improve described catch
Ratio electric current and electric-field intensity in collecting system, it is charged when the flue gas is by the trapping system, it is charged after the flue gas
In acid mist, flue dust and aerosol particles the anode is arrived in the presence of electric field force.
3. high flow rate wet electrical dust precipitator according to claim 2, it is characterised in that the anode is in cellular, and by
Multiple regular hexagon anode tubes are bonded.
4. high flow rate wet electrical dust precipitator according to claim 2, it is characterised in that the negative electrode includes cathode line and solid
Determine framework；The fixed frame includes the first framework and the second framework, and second framework is remote relative to first framework
The center of the housing, first framework framework, the first underframe, some girders and some strutbeams on first are constituted, institute
State framework and first underframe on first to be arranged in parallel, framework is located at the top of first underframe on described first,
The half strutbeam of some strutbeams by framework in two girders connections described first, some strutbeams second half
Strutbeam connects first underframe by two girders, the strutbeam of framework and connection institute in connection described first
Cathode line is hung between the strutbeam for stating the first underframe；The conductive plate is fixed on the strutbeam；
Second framework framework, the second underframe, some girders and some strutbeams on second are constituted, framework on described second
It is be arranged in parallel with second underframe, framework is located at the top of second underframe, some strutbeams on described second
Half strutbeam by framework in two girders connections described second, second half strutbeam of some strutbeams passes through two
The girder connects second underframe, the strutbeam of framework and connection second underframe in connection described second
The strutbeam between be wound with cathode line；The conductive plate is fixed on the strutbeam.
5. high flow rate wet electrical dust precipitator according to claim 1, it is characterised in that the spray irrigation system includes spray
Shower pipe suspension bracket, shower, nozzle and valve, the spray tube hanger are connected on the housing, and the shower is connected to institute
State on spray tube hanger, the nozzle is arranged on the shower, and the nozzle is by the Valve controlling folding, the valve
Including electrically operated valve and manually-operated gate, to realize the switching of electronic auto-flushing and manual flushing.
6. high flow rate wet electrical dust precipitator according to claim 1, it is characterised in that the uniform gas distribution system is porous
Plate, it is preferable that the porous plate be arranged in parallel two layers.
7. high flow rate wet electrical dust precipitator according to claim 1, it is characterised in that the hot-air blowing system includes electricity
Gas switch board, blower fan, heater, pipeline and valve, the electrical control cabinet are used to provide electric energy for the hot-air blowing system
Use, one end of the outlet connection heater of the blower fan, the other end of the heater connects the pipeline, the pipe
Road, which is used to export on the wind after heating, the pipeline, is provided with valve, and the exit of the blower fan is additionally provided with filter.
8. high flow rate wet electrical dust precipitator according to claim 1, it is characterised in that be provided with multiple insulator boxes, institute
State insulator box and connect the high voltage power supply, the insulator box includes cylinder, top cover, insulator, electric heater and suspension rod, institute
The center for stating cylinder is provided with insulator, and the suspension rod is through the center of the insulator and extends to outside the cylinder,
End of the suspension rod outside the cylinder, which connects the negative electrode, makes the negative electrode powered；The electric heater is arranged on the cylinder
On body；The cylinder disposed inboard has heat-insulation layer；Silica gel sealing pad is provided between the top cover and the cylinder, for by institute
State cylinder sealing.
9. high flow rate wet electrical dust precipitator according to claim 1, it is characterised in that the atomization humidification system includes double
Atomizer, independent water inlet pipe and air inlet pipe are mutually flowed, the water inlet pipe and the air inlet pipe above under type are fixed on described
On housing, the two-phase flow atomizer sprays after the gas in the water in the water inlet pipe and the air inlet pipe is mixed to be atomized
Water, makes particulate matter convergence weightening in the flue gas of the electric cleaner import.
10. high flow rate wet electrical dust precipitator according to claim 1, it is characterised in that the high voltage power supply provides high pressure
Constant-current source.
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| CN201720018170.1U CN206415224U (en) | 2017-01-06 | 2017-01-06 | High flow rate wet electrical dust precipitator |
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| CN201720018170.1U CN206415224U (en) | 2017-01-06 | 2017-01-06 | High flow rate wet electrical dust precipitator |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109821657A (en) * | 2019-03-12 | 2019-05-31 | 华南理工大学 | The blow device of Precipitator insulator chamber |
| CN111495133A (en) * | 2019-08-27 | 2020-08-07 | 河北中科朗博环保科技有限公司 | Ultralow emission system of sintering machine flue gas |
| CN112791853A (en) * | 2019-11-13 | 2021-05-14 | 广东居峰环保科技有限公司 | High-voltage electrostatic acid mist purifier |
| CN114618683A (en) * | 2020-12-10 | 2022-06-14 | 兰州电力修造有限公司 | Trinity combination wet-type electrostatic precipitator |
| CN115666763A (en) * | 2020-06-02 | 2023-01-31 | 杜尔系统有限公司 | WESP collecting electrode insertion or extension |
| CN117599576A (en) * | 2023-10-23 | 2024-02-27 | 无锡市东方环境工程设计研究所有限公司 | A urea granulation tower with wet dust removal and deamination function |
-
2017
- 2017-01-06 CN CN201720018170.1U patent/CN206415224U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109821657A (en) * | 2019-03-12 | 2019-05-31 | 华南理工大学 | The blow device of Precipitator insulator chamber |
| CN109821657B (en) * | 2019-03-12 | 2024-03-22 | 华南理工大学 | Purging device for insulator chamber of electric dust collector of coal-fired power plant |
| CN111495133A (en) * | 2019-08-27 | 2020-08-07 | 河北中科朗博环保科技有限公司 | Ultralow emission system of sintering machine flue gas |
| CN112791853A (en) * | 2019-11-13 | 2021-05-14 | 广东居峰环保科技有限公司 | High-voltage electrostatic acid mist purifier |
| CN115666763A (en) * | 2020-06-02 | 2023-01-31 | 杜尔系统有限公司 | WESP collecting electrode insertion or extension |
| CN114618683A (en) * | 2020-12-10 | 2022-06-14 | 兰州电力修造有限公司 | Trinity combination wet-type electrostatic precipitator |
| CN117599576A (en) * | 2023-10-23 | 2024-02-27 | 无锡市东方环境工程设计研究所有限公司 | A urea granulation tower with wet dust removal and deamination function |
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