CN109772586A - A kind of wet electrical dust precipitator - Google Patents
A kind of wet electrical dust precipitator Download PDFInfo
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- CN109772586A CN109772586A CN201910112266.8A CN201910112266A CN109772586A CN 109772586 A CN109772586 A CN 109772586A CN 201910112266 A CN201910112266 A CN 201910112266A CN 109772586 A CN109772586 A CN 109772586A
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- electrical dust
- dust precipitator
- wet electrical
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- 239000012716 precipitator Substances 0.000 title claims abstract description 105
- 238000009434 installation Methods 0.000 claims abstract description 4
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- 229910001069 Ti alloy Inorganic materials 0.000 claims description 13
- 239000000725 suspension Substances 0.000 claims description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 15
- 239000003546 flue gas Substances 0.000 abstract description 15
- 238000000746 purification Methods 0.000 abstract description 12
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Abstract
The present invention provides a kind of wet electrical dust precipitator, wherein outer tip end is equipped with insulated case (7) on wet electrical dust precipitator cylinder (1), external middle position installation cathode fixator (3) of wet electrical dust precipitator cylinder (1), top rinse-system (14) is sequentially installed with inside wet electrical dust precipitator cylinder (1) from top to bottom, over sling (6), wire electrode (5), receiving electrode (4), hanger pull rod (15), lower hanger (2) and pretreatment system (13), receiving electrode (4) is the honeycomb hole that several inscribed circles are 360mm regular hexagon, the center of each honeycomb hole is installed by a piece wire electrode (5), deviation is not more than 5mm, tension is connect by hanger pull rod (15) between over sling (6) and lower hanger (2).The service life is longer for it, and stability is more preferable during operation；The bulky grain that preliminary clearning system can be mingled in direct purification flue gas, and by small droplet coacervating large particle, be conducive to electrostatic system directly effectively by impurity absorption with deviate from, reach pretreated purpose.
Description
Technical field
The invention belongs to environmental technology fields, are related to a kind of wet electrical dust precipitator, and it is more to be widely used in steel, coal chemical industry etc.
Kind industry.
Background technique
Under increasingly stringent environmental protection policy, steel, coal chemical industry etc. tradition highly energy-consuming, high pollution industry there is an urgent need to
A kind of high-efficiency dust remover realizes minimum discharge.Traditional wet electrical dust precipitator is widely used in the fields such as steel, coal chemical industry, energy
Enough realize that granular material discharged concentration is less than 50mg/Nm3, but cannot achieve less than 10mg/Nm3Minimum discharge requirement.
Wet electrical dust precipitator has three kinds of concentric-ring pattern, tubular type and honeycomb fashion etc. using structure type.No matter which kind of structure,
Working principle is all to apply high voltage direct current between plain conductor and metal pipe-wall or pole plate, to maintain to be enough to make gas to generate electricity
From electric field make to form corona zone between anode and cathode, to play catharsis.According to electric field theory, cation is adsorbed in negatively charged
Corona discharge electrode, anion is adsorbed in positively charged receiving electrode, and all negative ions being ionized are each filled with corona discharge electrode and receiving electrode
Between entire space；When particulate matter passes through the electric field, the particulate matter of anion and electronics has been adsorbed in electric field Coulomb force
It under effect, is moved to after receiving electrode that release institute electrically charged, and is adsorbed on receiving electrode, thus achieve the purpose that purification gas,
This is commonly known as charged phenomenon.It, can be from trend when the particle object amount being adsorbed on receiving electrode increases to greater than its adhesive force
Lower trickling, is discharged from wet electrical dust precipitator bottom, and purified gas then exits into Xia Dao from wet electrical dust precipitator top
Process.Gas is nonconducting to process gas discharge in general, but under the action of high voltage electric field gas interior electricity
It is conductive as free electron that son will obtain enough energy.In uniformity electric field, with the increase of voltage, as long as therebetween
Any point ionizes, and two interpolars will be full of charged ion immediately, and the gas in entire space is breakdown, and electric current sharply increases at this time
Add and forms spark discharge.
Traditional wet electrical dust precipitator is made of following component: a straight cylindrical outer casing, the internal tubular type that is equipped with precipitate polar system
System and the conducting wire of a set of tension are as corona discharge electrode, and in addition there are also the ancillary equipments such as continuous water supply, instrument, control power supply and transmission of electricity；
Flue gas containing particulate matter is evenly distributed through the entrance on shell below receiving electrode into the air dividing plate of electrostatic decoking device.Flue gas
When passing through electrode district, the particulate matter under electrostatic interaction in flue gas is separated, and neat stress leaves electrostatic precipitation through the outlet on top
Device, the particulate matter being separated reach the moisture film to be flowed downward after receiving electrode inner wall and take away, and are finally discharged from device bottom.
Traditional wet electric precipitator electrode silk is usuallyStainless steel chevilled silk is made, and wire electrode passes through weight
It tenses, equipment work efficiency reduces, stability decline or even flashing electric discharge phenomena；Further, wet electrical dust precipitator
The most common failures such as corona wire broken string frequent occurrence.
It is increasingly stringenter recently as environmental requirement, realizes that minimum discharge becomes following trend, to wet-esp
The requirement of device purification efficiency increases, and traditional wet electric precipitator is unable to satisfy the needs of related industry upgrading.These industries
There is an urgent need to a kind of wet electrical dust precipitators for being able to satisfy process requirements.
Summary of the invention
Needs based on reality and production practices, the applicant put into substantial contribution and study for a long period of time, provide a kind of wet
Formula electric precipitator adapts to requirement of the industry for wet electrical dust precipitator, improves the purification efficiency of traditional wet electric precipitator, reach
To the environmental requirement of minimum discharge.
Technical solution according to the present invention provides a kind of wet electrical dust precipitator, wherein external on wet electrical dust precipitator cylinder 1
Top is equipped with insulated case 7, and cathode fixator 3, wet electrical dust precipitator cylinder are installed in 1 outside middle position of wet electrical dust precipitator cylinder
Top rinse-system 14, over sling 6, wire electrode 5, receiving electrode 4, hanger pull rod 15, lower hanger are installed from top to bottom inside body 1
2 and pretreatment system 13, receiving electrode 4 be the honeycomb hole that several inscribed circles are 360mm regular hexagon, the center of each honeycomb hole
A piece wire electrode 5 is installed, deviation is not more than 5mm, tenses between over sling 6 and lower hanger 2 by the connection of hanger pull rod 15.
Wherein, the wire electrode 5 installed inside wet electrical dust precipitator is flexible snowflake prickle wire.Wire electrode 5 is solid comprising top
Screw rod, central tube, bloom prickle plate nail, rigid connector and lower part standing screw are determined, not for hanging the weight of prickle wire.
Wire electrode 5, bloom prickle plate nail are in flakes, are fixed on flexible titanium alloy polar curve with tubular rivet at a certain distance.It is fixed
The flexible polar curve for having snowflake prickle plate to follow closely, polar curve are fixed on frame on the cathode of wet electrical dust precipitator by the suspension fastener on top
Upper and lower portion are fixed with weight.
Preferably, wet electrical dust precipitator is followed closely using snowflake prickle plate.Further, it is installed on wet electrical dust precipitator cylinder 1
Insulated case 7, cathode fixator 3, over sling 6, lower hanger 2 and wire electrode 5 form a rigid frame, wire electrode 5 is complete
It is fixed on wet electrical dust precipitator cylinder 1.Further, over sling 6 is tensed by 3~4 insulated cases 7 at the top of cylinder, under
Hanger 2 is fixed by the cathode fixator 3 of side, and draws between over sling 6 and lower hanger 2 further through hanger pull rod 15 is fixed
Tightly.
Further, pretreatment system 13 is installed additional in air inlet position, pretreatment system 13 is by baffle plate and fixed baffling
The supporting arrangement of plate is constituted, and baffle plate, which is that wave crest is parallel to wave crest with fixed baffle plate, to be installed.Pass through folded plate gap number by air-flow,
Baffle plate and fixed baffle plate are divided into single channel folded plate and multichannel folded plate；Folded plate spacing between baffle plate and fixed baffle plate
Should be descending according to air velocity and change；The angle of folded plate uses 90~120 degree；Wave height generally uses 0.25~0.40
Rice.
Compared with the prior art, wet electrical dust precipitator middle cylinder body of the present invention top is to insulated case 7 using flexible connection, lower part
Lower 2 horizontal direction of hanger is tensed towards 3 or 4 directions using cathode fixator 3, can effectively prevent hang above and below in this way
The swing of frame increases creepage distance, greatly improves efficiency of dust collection.Furthermore the present invention efficiently solves traditional wet electric precipitator
Wire electrode discharge characteristic is poor, is easy to swing, is easy broken string, purification efficiency is low, the problems such as fluctuation of service.The present invention installs additional
Preliminary clearning system, the bulky grain that can be mingled in direct purification flue gas, and by small droplet coacervating large particle, be conducive to electrostatic system
Particulate matter is directly effectively adsorbed and is deviate from, reaches pretreated purpose by system.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of wet electrical dust precipitator according to the present invention.
Fig. 2 is the structural schematic diagram of the hanger pull rod and receiving electrode in wet electrical dust precipitator.
Fig. 3 is the structural schematic diagram of the over sling and receiving electrode in wet electrical dust precipitator.
Fig. 4 is the structural schematic diagram of the lower hanger and receiving electrode in wet electrical dust precipitator.
Fig. 5 is the connection in wet electrical dust precipitator between insulated case and over sling.
Fig. 6 is the flexible connection between cathode fixator and lower hanger in wet electrical dust precipitator.
Fig. 7 is the flexible connection between the wire electrode in wet electrical dust precipitator and over sling and lower hanger.
Fig. 8 is the upper, lower horizontal hook schematic diagram in wet electrical dust precipitator.
Fig. 9 is the structure chart of wet electrical dust precipitator insulated case.
Figure 10 is the structure chart of over sling in wet electrical dust precipitator.
Figure 11 is the structure chart of the receiving electrode in wet electrical dust precipitator.
Figure 12 is the schematic diagram of the wire electrode in wet electrical dust precipitator.
Figure 13 is wet electrical dust precipitator preliminary clearning system outline drawing.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
In the present invention, insulated case 7 and cathode fixator 3, wet-esp are installed on a kind of wet electrical dust precipitator cylinder 1
Receiving electrode 4, over sling 6, lower hanger 2, wire electrode 5, pretreatment system 13, top flushing system are sequentially installed with inside device cylinder 1
System 14 and hanger pull rod 15, receiving electrode 4 are the honeycomb hole of several regular hexagons, and an electrode is installed at the center of each honeycomb hole
Silk 5, deviation are not more than 5mm, are tensed between over sling 6 and lower hanger 2 by the connection of hanger pull rod 15.The service life is longer for it,
Stability is more preferable during operation；The bulky grain that preliminary clearning system can be mingled in direct purification flue gas, and small droplet is condensed into
Bulky grain, be conducive to electrostatic system directly effectively by impurity absorption with deviate from, reach pretreated purpose
The wire electrode 5 wherein installed inside wet electrical dust precipitator is flexible snowflake prickle wire.Wire electrode 5 includes titanium alloy yin
Polar curve, snowflake prickle plate, tubular rivet.Wire electrode 5 does cathode line with titanium alloy, lays snowflake prickle plate simultaneously at a certain distance
It is fixed with tubular rivet.The polar curve for meeting actual needs length is formed, polar curve is used by the suspension fastener on top and lower part
Weight is fixed.Further, wet electrical dust precipitator controls the length one of polar curve bloom discharge tip using winding prickle plate nail
Cause property, acutance consistency, greatly improve the closeness of bloom discharge tip, reduce discharge inception voltage.Wet electrical dust precipitator cylinder 1
Insulated case 7, cathode fixator 3, over sling 6, lower hanger 2 and the wire electrode 5 of upper installation form a flexible frame, by wire electrode
5 are completely fixed on wet electrical dust precipitator cylinder 1.Over sling 6 is tensed by 3~4 insulated cases 7 at the top of cylinder, lower hanger 2
It is fixed by the cathode fixator 3 of side, and further through 15 fixed strain of hanger pull rod between over sling 6 and lower hanger 2.In addition
Ground installs pretreatment system 13 additional in air inlet position, and pretreatment system 13 is mainly to be installed by the branch of baffle plate and fixed baffle plate
Composition is set, baffle plate can be installed with fixed baffle plate with wave crest is parallel to wave crest.By air-flow by folded plate gap number, baffle plate and
Fixed baffle plate is divided into single channel folded plate and multichannel folded plate；Folded plate spacing between baffle plate and fixed baffle plate should be according to gas
Flow velocity degree is descending and changes；The angle of folded plate uses 90~120 degree；Wave height generally uses 0.25~0.40m.
Further, outer tip end is equipped with insulated case 7, wet electrical dust precipitator cylinder 1 on wet electrical dust precipitator cylinder 1
Cathode fixator 3 is installed in external middle position, is equipped with top rinse-system inside wet electrical dust precipitator cylinder 1 from top to bottom
14, over sling 6, wire electrode 5, receiving electrode 4, hanger pull rod 15, lower hanger 2 and pretreatment system 13, receiving electrode 4 are in several
The circle of contact is the honeycomb hole of 360mm regular hexagon, and a wire electrode 5 is installed at the center of each honeycomb hole, and deviation is not more than 5mm, on
It is tensed between hanger 6 and lower hanger 2 by the connection of hanger pull rod 15.By insulated case, cathode fixator, over sling, lower hanger,
The monoblock type cathod system of flexible snowflake prickle wire composition, keeps equipment operation more stable.Air inlet installs preliminary clearning system additional and plays
The effect of preliminary treatment.
Inscribed circle used in the present invention is the cellular flexible snowflake prickle wire of the regular hexagon of 360mm, honeycomb sectional area
Increase the efficiency for improving wet electrical dust precipitator, cathode line, resistance to corrosion are furthermore done using titanium alloy flexibility snowflake prickle wire
It greatly improves, while snowflake prickle plate is in flakes, discharge performance greatly improves, and whole efficiency of dust collection also greatly improves.From at
By flexible snowflake prickle wire cost is greatly reduced in sheet.
In addition, improved flexibility snowflake prickle wire electric property compared with traditional electrode silk is more preferable, the service life is longer, fortune
Stability is more preferable between the departure date.Using the wet electrical dust precipitator of novel prickle wire composition Flexible cathodes system, the operation is stable, efficiency is more
It is high.The bulky grain that preliminary clearning system can be mingled in direct purification flue gas, and by small droplet coacervating large particle, be conducive to electrostatic
Particulate matter is directly effectively adsorbed and is deviate from by system, reaches pretreated purpose.
Specifically, wet electrical dust precipitator of the invention increases preliminary clearning system 13 in air inlet position, carries secretly in the gas phase
Fine liquid droplet, by preliminary clearning system when, droplet is encountered on preliminary clearning system and device, be attached or absorb, pass through
Cross repeated multiple times absorption droplet, minimum droplet agglomeration is coalesced as big drop, drop under gravity, pre- net
It being moved downward in change system, while continuing the droplet carried secretly in adsorbed gas, the droplet grown up flows to the bottom of preliminary clearning system,
It is dropped down with the gravity by drop itself.Dust content is not higher than 10mg/Nm after wet electrical dust precipitator processing in this patent3,
Significantly larger than traditional wet electric precipitator 50mg/Nm3Processing capacity.
In practice, the corona discharge electrode of wet electrical dust precipitator works in high-temperature flue gas environment, variousization being mingled in flue gas
It studies point, heavy corrosion corona discharge electrode wire electrode.Wire electrode after corrosion is easy after a period of time in Liang Ge bearing end to end
Stress occur fracture and also in rocking process, if it is less than safe distance between two electrodes, then be easy to happen arc discharge into
And blow corona discharge electrode.Based on problem of the prior art, i.e. the main reason for wet electrical dust precipitator most common failure is corona wire broken string,
Traditional material wire electrode is changed to titanium alloy material wire electrode by wet electrical dust precipitator of the present invention.It is resistance to after being changed to titanium alloy electrode silk
Corrosivity and tensile strength greatly enhance.It is fixed on weight so should be straightened during installing wire electrode, makes corona
Line is fixed on receiving electrode center, and corona wire straightness tolerance, centrad tolerance are within the allowable range of values.In addition to this, need
Periodically electric field is cleaned, removes the particulate matter trapped in electric field, the factor of electric field electric discharge is reduced, is able to extend wire electrode
Service life, while the unimpeded of channel is kept, removal particulate matter effect is more preferable.Electric field is due to using constant-current source high voltage direct current
Power supply, the failure rate of equipment is low, and maintenance greatly reduces, reliable for operation, can efficiently remove the particulate matter in flue gas.
Wet electrical dust precipitator of the invention has the following characteristics that
1, the composition of ontology:
1) cylinder 1
2) receiving electrode 4
3) over sling 6 and lower hanger 2
4) wire electrode 5
5) insulated case 7 and cathode fixator 3
6) preliminary clearning system 13
7) top rinse-system 14
8) hanger pull rod 15
2, material selects
1 material of cylinder of wet electrical dust precipitator uses carbon steel, 6~12mm of wall thickness.Receiving electrode 4 uses carbon steel or stainless steel,
2~4mm of plate thickness；Wire electrode 5 uses titanium alloy flexibility snowflake prickle wire.
3, receiving electrode 4
It is made of several honeycomb ducts, anode tube inscribed circle isEvery group of honeycomb tube bank has perfect whole
Body, intensity height, the concentricity of anode tube, the depth of parallelism are high.
4, cathod system
Cathod system includes over sling 6,2 wire electrode 5 of lower hanger and cathode fixator 3；Wire electrode 5 is only using our company
The flexible snowflake prickle wire having, reduces discharge inception voltage, electric current per unit length greatly improved.Wire electrode 5 is more piece package assembly,
Easy disassembly replacement.Meanwhile lower hanger 2 uses " whole cathode line fixed frame " patented technology, fully meets high electric field gas velocity
Under to the special requirement of cathod system stability.
5, insulated case 7 and cathode fixator 3
Wet electrical dust precipitator is 1 service area, and top sets 73~4 sets of insulated case, wherein there is the insulation with lead
Case.Lower part sets 33~4 sets of cathode fixator.Rock wool heat-preservation is used outside insulated case 7 and cathode fixator 3, good heat insulating is protected
Demonstrate,prove the insulation performance of insulator.
6, top rinse-system 14
Wet electrical dust precipitator bodies top, which is equipped with, rinses setting, is rinsed with clear water.It periodically removes and is adhered to receiving electrode and electricity
Particulate matter on hachure.
7, the structural schematic diagram of the hanger pull rod 15 in the wet electrical dust precipitator and receiving electrode 4, as shown in Figure 2.
8, the structural schematic diagram of the over sling 6 in the wet electrical dust precipitator and receiving electrode 4, as shown in Figure 3.
9, the structural schematic diagram of the lower hanger 2 in the wet electrical dust precipitator and receiving electrode 4, as shown in Figure 4.
10, the insulated case 7 sets 3~4 according to device model, with the connection between over sling 6.As shown in Figure 5.
11, the cathode fixator 3 sets 3~4 according to device model, and the connection between lower hanger 2 is flexible connection.
Lower hanger 2 can be swung in original wet electrical dust precipitator, cathode fixator 3 be increased in this figure, from 3~4 directions
Lower hanger 2 is tensed, creepage distance can be increased in this way to avoid the swing of lower hanger 2, efficiency of dust collection is improved, as shown in fig. 6, Fig. 6
It is the flexible connection between the cathode fixator and lower hanger in wet electrical dust precipitator.
12, the receiving electrode 4 is positive hexagonal honeycomb shape precipitating pole pipe, has compact-sized, and space utilization rate is high, no electricity
The characteristics of field blind area.
13, the wire electrode 5 is flexible snowflake prickle wire, and the connection between over sling 6 and lower hanger 2 is flexible connects
It connects.As shown in fig. 7, Fig. 7 is the flexible connection between the wire electrode in wet electrical dust precipitator and over sling and lower hanger.
Upper horizontal hook as shown in figure 8, one end is fixed on the lath of over sling by adjusting nut, avenge by the fixed flexibility of the other end
The upper end of flower prickle wire.Similarly, lower horizontal hook such as the one end Fig. 8 are fixed on the lath of lower hanger by adjusting nut, and the other end is solid
The lower end of fixed flexibility snowflake prickle wire, so that flexible snowflake prickle wire is vertically fixed in honeycomb duct.
14, the wire electrode 5 is flexible snowflake prickle wire, and for flash-over characteristic compared with traditional electrode silk, discharge inception voltage is low, work
It is high to make voltage, operating current, the various aspects of performance such as service life are superior to traditional electrode silk.
15, the bulky grain that the preliminary clearning system 13 can be mingled in direct purification flue gas, and small droplet is condensed into greatly
Particle is conducive to electrostatic system, and directly effectively particulate matter is adsorbed and deviate from, reaches pretreated purpose.It is this pre-
Purification system has the characteristics that small pressure drop, large specific surface area, demisting efficiency are high.
In addition, of different sizes according to wet electrical dust precipitator device model, wet electrical dust precipitator cylinder 1 is that the diameter of steel is
1.5m to 8m is highly the cylinder of 10m to 15m, because the diameter of process pipe is straight much smaller than wet electrical dust precipitator cylinder 1
Diameter, so tapered variable-diameter structure is arranged in the top of wet electrical dust precipitator cylinder 1.
As shown in Figure 1, being equipped with insulated case 7 and cathode fixator 3, wet electrical dust precipitator on wet electrical dust precipitator cylinder 1
Receiving electrode 4, over sling 6, lower hanger 2, wire electrode 5, preliminary clearning system 13,14 and of top rinse-system are installed inside cylinder 1
Hanger pull rod 15, receiving electrode 4 are the honeycomb hole of several regular hexagons, and a wire electrode 5 is installed at the center of each honeycomb hole, partially
Difference is not more than 5mm.It is tensed between over sling 6 and lower hanger 2 by the connection of hanger pull rod 15.Wire electrode 5 is flexible snowflake prickle
Line is fixed with weight.Preferably, wet electrical dust precipitator wire electrode 5 include top standing screw, central tube, bloom prickle plate nail,
Flexible connecting member, lower part standing screw.Wet electrical dust precipitator wire electrode 5 includes titanium alloy cathode line, snowflake prickle plate, hollow riveting
Nail.Cathode line is done with titanium alloy, lay snowflake prickle plate at a certain distance and is fixed with tubular rivet.It is practical to form a satisfaction
The polar curve of length is needed, polar curve is fixed on the cathode of wet electrical dust precipitator or more with weight by the suspension fastener on top and lower part
On frame, it can be powered on.Wet electrical dust precipitator using flexible snowflake prickle wire, simply and effectively control polar curve bloom and put
The extension consistency at electric tip, acutance consistency greatly improve the closeness of bloom discharge tip, reduce discharge inception voltage, improve
Corona current is played, the electric current per unit length of polar curve significantly improves.
Furthermore the position apart from 1 meter or so of 1 bottom of wet electrical dust precipitator cylinder is also devised with mudhole 8, air inlet 9, goes out
The various technique nozzles such as stomata 12, manhole 11 and several national standard explosionproof holes 10 for being arranged according to national standards.
Insulated case 7 as shown in Figure 9 is made of, absolutely inner cylinder 7-5, outer barrel 7-4 and insulator fixation member 7-1
High-tension insulator 7-2 for anode and cathode to be isolated is installed, high-tension insulator 7-2 is by wet electrical dust precipitator in edge case 7
Yin-yang the two poles of the earth isolation, it is of different sizes according to wet electrical dust precipitator device model, insulated case 7 be generally 3~4, insulated case 7 with it is upper
The pull rod 7-6 connection made between hanger 6 by the steel pipe with some strength, passes through bolt between pull rod 7-6 and over sling 6
It is fixed, form flexible stabilization connection.For the ease of maintenance, hand hole 7-3 is provided in insulated case 7.The cathode fixator 3
Structure and principle it is identical as insulated case 7, of different sizes according to wet electrical dust precipitator device model is provided with 3~4, under
It is connected between hanger 2 also by the pull rod of the steel pipe production with some strength, pull rod is bolted to be formed with lower hanger 2
The connection of flexible stabilization.
Further, the insulated case 7 installed on wet electrical dust precipitator cylinder 1, cathode fixator 3, over sling 6, lower hanger 2
And wire electrode 5 forms a flexible frame, and wire electrode 5 is completely fixed on wet electrical dust precipitator cylinder 1.Wherein over sling 6
Tensed by 3~4 insulated cases 7 at the top of cylinder, lower hanger 2 is fixed by the cathode fixator 3 of side, and over sling 6 with
Further through 15 fixed strain of hanger pull rod between lower hanger 2, it thus is avoided that the swing of over sling 6, lower hanger 2, to form one
A flexible frame.
The structure of the over sling 6 and lower hanger 2 is identical, as shown in Figure 10.It is made of the band steel with some strength, it is horizontal
Design has several waist-shaped holes on the lath 6-2 of arrangement, is used for installation and adjustment wire electrode 5, and the stay 6-1 being vertically arranged is from transverse direction
It is passed through in the lath 6-2 of arrangement prefabricated square hole, composition one is in integral frame structure flexible.
Receiving electrode 4 as shown in figure 11 is made of regular hexagon steel honeycomb tube bank 4-1 and ring flat-plate 4-2.Ring flat-plate 4-
2 entangle honeycomb tube bank 4-1, fix honeycomb duct in a circular manner, convenient for uniformly distributed air-flow.
Flexible snowflake prickle wire as shown in figure 12.It is bolted between wire electrode 5 and over sling 6 and lower hanger 2,
It is formed and is flexibly connected with over sling 6 and lower hanger 2.5 outside schematic diagram of wire electrode in the wet electrical dust precipitator, such as Figure 12 institute
Show.
In other embodiment, Novel electric polar filament 5 includes titanium alloy cathode line, snowflake prickle plate, tubular rivet.With
Titanium alloy does cathode line, lays snowflake prickle plate at a certain distance and is fixed with tubular rivet.Form a satisfaction actual needs
The polar curve of length, polar curve are fixed on the cathode upper and lower frames of wet electrical dust precipitator by the suspension fastener and lower part on top with weight
On, it can be powered on.
Generally stainless steel wire is used to make relative to traditional electrode silk, discharge off tip, the form polar curve intensity is low, in cigarette
It under gas high flow rate, easily swings and arcing is caused to be discharged, discharge inception voltage is high, and it is extremely low to play corona current.The present invention is avenged using titanium alloy flexibility
Flower prickle wire is effectively controlled the extension consistency of polar curve bloom discharge tip, acutance consistency, has greatly improved corona
The closeness at tip reduces discharge inception voltage, has improved corona current, the electric current per unit length of polar curve significantly improves.
Preliminary clearning system 13 as shown in fig. 13 that, the distance between two plates are 30~50mm in preliminary clearning system, in flue gas
Drop in baffle plate Tortuous flow, after constantly colliding coacervating large particle drop with wall surface, liquid stream, which is increasing, finally to exist
It is slid down under gravity along preliminary clearning system blade, until cylinder body bottom, to remove drop entrained by flue gas and lack
The dust of amount reduces flue gas with water, prevents fan vibration, reach pretreated purpose.Blade is to form preliminary clearning system most
Substantially, the superiority and inferiority of most important element, performance has vital influence to the operation of entire preliminary clearning system.It is this pre-
Purification system has the characteristics that small pressure drop, large specific surface area, demisting efficiency are high.
Air inlet position installs the bulky grain that pretreatment system 13 can be mingled in direct purification flue gas additional, and small droplet is agglomerated
At bulky grain, be conducive to electrostatic system, directly effectively particulate matter is adsorbed and deviate from, reaches pretreated purpose.In advance
Processing system 13 is mainly to be made of the supporting arrangement of baffle plate and fixed baffle plate, and folded plate is crossed to form broken line at a certain angle
Shape thin-wall part, wherein high folded plate is that outline border group has free-standing structure, low folded plate is that inner core group also has free-standing structure, outside
Frame group and inner core group, folded plate can install in parallel wave crest with wave crest, claim with setback plate.By air-flow by folded plate gap number, and divide
For single channel folded plate and multichannel folded plate.Folded plate spacing should be descending according to air velocity and cloud concentration and be changed.Folded plate
Angle use 90~120 degree.Wave height generally uses 0.25~0.40m.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope that the embodiment of the present invention discloses, the variation that can readily occur in or
Replacement, should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection of claim
Subject to range.
Claims (10)
1. a kind of wet electrical dust precipitator, which is characterized in that outer tip end is equipped with absolutely on the cylinder (1) of the wet electrical dust precipitator
Edge case (7), external middle position installation cathode fixator (3) of wet electrical dust precipitator cylinder (1), wet electrical dust precipitator cylinder (1)
Inside is sequentially installed with top rinse-system (14), over sling (6), wire electrode (5), receiving electrode (4), hanger pull rod from top to bottom
(15), lower hanger (2) and pretreatment system (13), receiving electrode (4) are the honeycomb that several inscribed circles are 360mm regular hexagon
A wire electrode (5) is installed at hole, the center of each honeycomb hole, and deviation is not more than 5mm, is led between over sling (6) and lower hanger (2)
Hanger pull rod (15) connection is crossed to tense.
2. wet electrical dust precipitator according to claim 1, which is characterized in that the wire electrode installed inside wet electrical dust precipitator
(5) flexible snowflake prickle wire.
3. wet electrical dust precipitator according to claim 2, which is characterized in that wire electrode (5) include top standing screw, in
Heart pipe, bloom prickle plate nail, rigid connector and lower part standing screw, not for hanging the weight of prickle wire.
4. wet electrical dust precipitator according to claim 2, which is characterized in that wire electrode (5), bloom prickle plate nail are in snowflake
Shape is fixed on flexible titanium alloy polar curve with tubular rivet at a certain distance.
5. wet electrical dust precipitator according to claim 2, which is characterized in that be fixed with the flexible pole of snowflake prickle plate nail
Line, polar curve is fixed on the cathode of wet electrical dust precipitator frame upper and lower portion by the suspension fastener on top to be fixed with weight.
6. wet electrical dust precipitator according to claim 5, which is characterized in that wet electrical dust precipitator uses snowflake prickle plate
Nail.
7. wet electrical dust precipitator according to claim 1, which is characterized in that installed on wet electrical dust precipitator cylinder (1)
Insulated case (7), cathode fixator (3), over sling (6), lower hanger (2) and wire electrode (5) form a rigid frame, by electrode
Silk (5) is completely fixed on wet electrical dust precipitator cylinder (1).
8. wet electrical dust precipitator according to claim 7, which is characterized in that over sling (6) passes through 3~4 at the top of cylinder
A insulated case (7) tenses, and lower hanger (2) is fixed by the cathode fixator (3) of side, and over sling (6) and lower hanger (2) it
Between further through hanger pull rod (15) fixed strain.
9. wet electrical dust precipitator according to claim 1, which is characterized in that install pretreatment system additional in air inlet position
(13), pretreatment system (13) is made of the supporting arrangement of baffle plate and fixed baffle plate, and baffle plate and fixed baffle plate are wave
Peak is installed by wave crest in parallel.
10. wet electrical dust precipitator according to claim 9, which is characterized in that pass through folded plate gap number, baffle plate by air-flow
It is divided into single channel folded plate and multichannel folded plate with fixed baffle plate；Folded plate spacing between baffle plate and fixed baffle plate should basis
Air velocity is descending and changes；The angle of folded plate uses 90~120 degree；Wave height generally uses 0.25~0.40 meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910112266.8A CN109772586A (en) | 2019-02-13 | 2019-02-13 | A kind of wet electrical dust precipitator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910112266.8A CN109772586A (en) | 2019-02-13 | 2019-02-13 | A kind of wet electrical dust precipitator |
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| CN109772586A true CN109772586A (en) | 2019-05-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910112266.8A Pending CN109772586A (en) | 2019-02-13 | 2019-02-13 | A kind of wet electrical dust precipitator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112121572A (en) * | 2020-09-04 | 2020-12-25 | 襄阳九鼎昊天环保设备有限公司 | Plasma guide filter |
| CN114160308A (en) * | 2021-12-02 | 2022-03-11 | 襄阳九鼎昊天环保设备有限公司 | Plasma filter with filter guiding section and plasma section |
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| CA1044766A (en) * | 1976-04-07 | 1978-12-19 | Union Carbide Corporation | Arc welding torch having a flexible wire guide assembly |
| CN107051730A (en) * | 2017-04-16 | 2017-08-18 | 襄阳九鼎昊天环保设备有限公司 | A kind of ultra-clean purification electrical tar precipitator |
| CN210434684U (en) * | 2019-02-13 | 2020-05-01 | 襄阳九鼎昊天环保设备有限公司 | Wet-type electrostatic precipitator |
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- 2019-02-13 CN CN201910112266.8A patent/CN109772586A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1044766A (en) * | 1976-04-07 | 1978-12-19 | Union Carbide Corporation | Arc welding torch having a flexible wire guide assembly |
| CN107051730A (en) * | 2017-04-16 | 2017-08-18 | 襄阳九鼎昊天环保设备有限公司 | A kind of ultra-clean purification electrical tar precipitator |
| CN210434684U (en) * | 2019-02-13 | 2020-05-01 | 襄阳九鼎昊天环保设备有限公司 | Wet-type electrostatic precipitator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112121572A (en) * | 2020-09-04 | 2020-12-25 | 襄阳九鼎昊天环保设备有限公司 | Plasma guide filter |
| CN114160308A (en) * | 2021-12-02 | 2022-03-11 | 襄阳九鼎昊天环保设备有限公司 | Plasma filter with filter guiding section and plasma section |
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