CN106669343A - Electric mist dust removal equipment adopting turbulent coagulation - Google Patents

Electric mist dust removal equipment adopting turbulent coagulation Download PDF

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Publication number
CN106669343A
CN106669343A CN201710017477.4A CN201710017477A CN106669343A CN 106669343 A CN106669343 A CN 106669343A CN 201710017477 A CN201710017477 A CN 201710017477A CN 106669343 A CN106669343 A CN 106669343A
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CN
China
Prior art keywords
electric
mist
power
electric mist
dust removal
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710017477.4A
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Chinese (zh)
Inventor
李忠国
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LANZHOU KATE ENVIRONMENTAL TECHNOLOGY ENGINEERING CO., LTD.
Original Assignee
Lanzhou University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lanzhou University filed Critical Lanzhou University
Priority to CN201710017477.4A priority Critical patent/CN106669343A/en
Publication of CN106669343A publication Critical patent/CN106669343A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D50/00Combinations of methods or devices for separating particles from gases or vapours

Abstract

The invention discloses electric mist dust removal equipment adopting turbulent coagulation. The equipment comprises a power coagulation cooling dust removal pipe and an electric mist sedimentation tower, wherein the bottom of the power coagulation cooling dust removal tube is communicated with the middle of the electric mist sedimentation tower through a pipeline, a flue gas inlet pipe is arranged at the top of the power coagulation cooling dust removal pipe, a nozzle is arranged at the lower part of the power coagulation cooling dust removal pipe and communicated with a power coagulation water generator, and a power coagulation water supply pump is arranged on the power coagulation water generator and communicated with a clear water tank; an electric mist generator and an anode plate are arranged in the electric mist sedimentation tower, the anode plate is arranged above the electric mist generator, an electric mist dust removal area is arranged below the electric mist generator, a slurry collecting tank is arranged at the bottom of the electric mist dust removal area, the top of the electric mist sedimentation tower is communicated with an induced draft fan, and the electric mist generator is communicated with an electric mist dust removal water supply pump. The electric mist dust removal equipment adopting turbulent coagulation is high in dust removal efficiency, high in automation degree and low in energy consumption and particularly increases fine dust removal efficiency, and water can be recycled.

Description

Turbulent flow coalescence electricity mist cleaner
Technical field
The present invention relates to turbulent flow coalescence electricity mist cleaner, belongs to environmental technology field.
Background technology
What rapids rushed that coalescence utilizes is foamed cleaning technology, except that it creatively make use of hydromechanical correlation Theory, using brand-new, more simple and reliable method more stable effective froth bed is produced.Its operation principle is:
1st, using foamed cleaning technology, using foam surface layer greatly, gas-liquid interface renewal speed be exceedingly fast the characteristics of, enter The efficient mass-and heat-transfer process of row.
2nd, in biphase gas and liquid flow kinety system, the flow pattern of fluid depends on the relative mass flow rates of gas-liquid two-phase, certain Under the conditions of can form stable froth bed.
3rd, froth bed is that gas-liquid two-phase interacts to be formed in intersection, and the position of its interface depends on gas-liquid two-phase Momentum balance relation.Under conditions of momentum balance, interface will stabilise at a position, and work as the generation of gas-liquid relative momentum During change, the fluid flow direction movement that interface can increase to momentum, until reaching new balance.
The height of wet purification device efficiency depends on the consumption of its energy, because turbulent flow coalescence scrubber is in running In both make use of the energy of air-flow, also dexterously make use of the energy of liquid stream.Water mist dust-removing is that one kind is extensive in produce reality Using and simple and practical dedusting method, by humid control of the spraying to material, play important to reducing dust yield Effect, but it is relatively low to the control efficiency of fine dust to spray, and particularly floats the subparticle in air, with the collision of water smoke grain Contact probability is low, and most of dust bypasses droplet and suspends in atmosphere.In order to improve the control effect to dust, strengthen droplet With the collision probability of powder dust particle, by water smoke particle diameter in corona field action lower band electric charge, under electrostatic force, strengthen dust Mutually collide with droplet, reach the purpose of trapping dust.
Charged water spray dedusting technology is that the water of atomization is charged, is combined with dust by effects such as electrostatic attractions, makes dust Grain cohesion becomes big and removes.Motion in cleaner unit is dynamic for dilute gas-solid two-phase flow, and in operation stress mainly has powder dust particle Electrostatic force, viscous resistance and particle weight power.Charged water spray dedusting is the combination of electrostatic precipitation and wet dust removal, overcomes spraying to remove The dirt problem low to fine dust capture rate.
The purpose of water fog charge is that the droplet for forming spraying obtains higher electric charge, increases water smoke and dust collider Meeting, so as to improve arresting efficiency of the water smoke to dust.Water fog charge mode is divided into corona charging and injection charged two in this equipment Kind.
Corona electricity makes inductance loop (i.e. positive plate) using tinsel, and plus high-pressure electricity, releases inductance loop on inductance loop Electrostatic discharge lotus, nozzle is located at inductance loop center, when water smoke passes through inductance loop, under electric field action, is allowed to take and sensing The electric charge (negative electricity) of ring opposite polarity.
The method is a kind of effectively charged mode, makes water smoke obtain higher electric charge (water smoke charge-mass ratio).Water fog charge Afterwards, increase collision, diffusion, the retention probability with powder dust particle, improve the dust removing effects that fine dirt is particularly to dust.
The content of the invention
In view of this, the invention provides turbulent flow coalescence electricity mist cleaner, efficiency of dust collection height, in particular improve fine The removal efficiency of dirt, high degree of automation, energy consumption is low, water reusable edible.
The present invention solves above-mentioned technical problem by following technological means:
The turbulent flow coalescence electricity mist cleaner of the present invention, it includes turbulent flow coalescence electricity mist cleaner, and it includes that power coagulates And lower the temperature dust removing tube and electric mist sedimentation tower, the bottom of the power condensation cooling dust removing tube is with the middle part of electric mist sedimentation tower by pipe Road is connected, and flue gas inlet pipe is provided with the top of the power condensation cooling dust removing tube, and the bottom of power condensation cooling dust removing tube sets Nozzle is equipped with, the nozzle is connected with power condensation water generator, power condensation feedwater is provided with power condensation water generator Pump, the power condensation feed pump is connected with clear water reserviors, and in the electric mist sedimentation tower electric fog generator and positive plate, institute are provided with The top that positive plate is arranged on electric fog generator is stated, the lower section of electric fog generator is electric mist dedusting area, the bottom of electric mist dedusting area Slurry collecting groove is provided with, the top of the electric mist sedimentation tower connects with air-introduced machine, electric fog generator and electric mist depositing dust feed pump Connection, electric mist depositing dust feed pump is connected with clear water reserviors, and slurry collecting groove is connected with slurry feeding pump, is set on the slurry feeding pump Filter is equipped with, the power condensation water generator, electric fog generator and positive plate provide electric energy by HVDC power distribution cabinet.
Negative charge is sent in the power condensation water generator, power condensation water band after power condensation water generator is negative The power condensation area phase of electric charge bottom-up ejection from nozzle, electronegative water and flue gas in power condensation cooling dust removing tube Meet, a part of little particle is directly landed by electrostatic attraction in flue gas, the volume increase after water smoke infiltration of another part granule, Automatic sedimentation gets off.
The quality and volume is more fine or dust of the not charged sedimentation of airflow fluctuation in power condensation cooling dust removing tube, with Air-flow is entered behind electric mist dedusting area, and charged mist will be blended further with dust infiltration so as to charged, and reach electric mist dedusting area To vapo(u)rous state, fine dust may act as tuberculosis in vapo(u)rous state, the saturated vapor sent with electric fog generator Sedimentation is formed, is dropped in slurry collecting groove.
The positive plate is inductance loop made by tinsel, and plus high-pressure electricity, makes inductance loop release electrostatic lotus on inductance loop, Tail gas after electric mist dedusting area electricity mist is processed carries a large amount of negative charges, and tail gas when positive plate, condense by the electric discharge on positive plate, Remove the steam of tail gas.
Filtering material is provided with the filter, the slurry in slurry collecting groove returns clear through filtering material, filtrate Pond, arranges outside filtering residue.
The invention has the beneficial effects as follows:
1st, the purification efficiency of turbulent flow coalescence electricity mist cleaner is far above the legacy equipments such as void tower, packed tower, especially to de- Except subparticle more effectively.
2nd, device structure is simple, and convenient operating maintenance, gas passage is unblocked, simple structure, and reliability is very high to be difficult Damage, Operation and Maintenance is simple, and service cycle is long, equipment low-profile, reduces investment outlay and takes up an area, intensity and sealing problem are easy to solution Certainly, number of devices and floor space are all few than traditional process, and device configuration is flexibly, applied widely, almost can be used for appointing What gas purification process, good cooling effect can be used to process various high-temperature gases, be not easily blocked, and the dustiness in gas is almost Without limiting, the permission solid content in circulation fluid is high.
3rd, energy consumption is low, water reusable edible, after slurries filtration, clear water reusable edible, and while efficiency is improved, energy consumption is more It is low.
Description of the drawings
With reference to the accompanying drawings and examples the invention will be further described.
Fig. 1 is the structural representation of the present invention.
Specific embodiment
Below with reference to accompanying drawing, the present invention is described in detail, as shown in Figure 1:The turbulent flow coalescence electricity mist of the present embodiment is removed Dirt equipment, it includes power condensation cooling dust removing tube 1 and electric mist sedimentation tower 2, the bottom of the power condensation cooling dust removing tube 1 with The middle part of electric mist sedimentation tower 2 is provided with flue gas inlet pipe 3, is moved by pipeline communication, the top of the power condensation cooling dust removing tube 1 The bottom of power coalescence cooling dust removing tube 1 is provided with nozzle 4, and the nozzle 4 is connected with power condensation water generator 5, power condensation Power condensation feed pump 6 is provided with water generator 5, the power condensation feed pump 6 is connected with clear water reserviors 7, the electric mist sinks Electric fog generator 8 and positive plate 9 are provided with drop tower 2, the positive plate 9 is arranged on the top of electric fog generator 8, and electric mist occurs The lower section of device 8 is electric mist dedusting area 10, and the bottom of electric mist dedusting area 10 is provided with slurry collecting groove 11, the electric mist sedimentation tower 2 Top connect with air-introduced machine 12, electric fog generator 8 is connected with electric mist depositing dust feed pump 13, electric mist depositing dust feed pump 13 and clear water Pond 7 connects, and slurry collecting groove 11 is connected with slurry feeding pump 14, and filter 15 is provided with the slurry feeding pump 14, described Power condensation water generator 5, electric fog generator 8 and positive plate 9 provide electric energy by HVDC power distribution cabinet 16.
Negative charge, power condensation water band after power condensation water generator 5 are sent in the power condensation water generator 5 Negative charge bottom-up ejection from nozzle 4, electronegative water and flue gas are in the power condensation area of power condensation cooling dust removing tube 1 Meet, a part of little particle is directly landed by electrostatic attraction in flue gas, another part granule volume after water smoke infiltration increases Greatly, automatic sedimentation gets off.
The quality and volume is more fine or dust of the not charged sedimentation of airflow fluctuation in power condensation cooling dust removing tube 1, Enter behind electric mist dedusting area 10 with air-flow, charged mist will be blended further with dust infiltration so as to charged, and make electric mist dedusting Area 10 reaches vapo(u)rous state, and fine dust may act as tuberculosis in vapo(u)rous state, full with what electric fog generator 8 sent Formed with steam and settled, dropped in slurry collecting groove 11.
The positive plate 9 is inductance loop made by tinsel, and plus high-pressure electricity, makes inductance loop release electrostatic on inductance loop Lotus, the tail gas after the electric mist in electric mist dedusting area 10 is processed carries a large amount of negative charges, and tail gas is put when positive plate 9 on positive plate 9 Electrocoagulation, removes the steam of tail gas.
Filtering material is provided with the filter 15, the slurry in slurry collecting groove 11 is returned through filtering material, filtrate Clear water reserviors 7 are returned, is arranged outside filtering residue.
Air-liquid (charged) with certain flow and flow velocity relation in flue gas inlet pipe 3 is biphase in power condensation cooling dedusting Meet in pipe 1, on the one hand the result that both interact sets up a froth bed, using froth bed gas in gas passage The characteristics of liquid contact surface area is very big, renewal speed is exceedingly fast, here carries out efficient mass-and heat-transfer process;On the other hand, utilize Momentum balance principle makes froth bed swim in power condensation cooling dust removing tube 1, and interior in pipe with the change of gas-liquid relative momentum Fluctuate, make the sufficiently charged coalescence of tiny dust in gas granule and settle.
Water is by negatively charged ejection bottom-up from nozzle 4, electronegative water and gas after power condensation water generator 5 Meet in power condensation area, a part of little particle is directly landed by electrostatic attraction in flue gas;Another part granule passes through water smoke Volume increase after infiltration, automatic sedimentation gets off.
For in turbulent flow coalescence area because quality and volume are more fine or the dust of the not charged sedimentation of airflow fluctuation, with air-flow Into after electric mist dedusting area 10, charged mist further will infiltrate blending with it so as to charged, and make the electric atmosphere of mist dedusting area 10 Reach vapo(u)rous state.Fine dust may act as tuberculosis in vapo(u)rous state, and with saturated vapor " rainfall " is formed, and reach Depositing dust purpose.Because the tail gas Jing after electric mist is processed carries a large amount of electric charges (negative electricity), therefore sun is set on the electric top of mist dedusting area 10 Pole plate 9, makes charged gas and vapor discharge on positive plate 9 cohesion (positive and negative attracting), can effectively remove the steam of tail gas.
Finally illustrate, above example is only unrestricted to illustrate technical scheme, although with reference to compared with Good embodiment has been described in detail to the present invention, it will be understood by those within the art that, can be to the skill of the present invention Art scheme is modified or equivalent, and without deviating from the objective and scope of technical solution of the present invention, it all should cover at this In the middle of the right of invention.

Claims (5)

1. turbulent flow coalescence electricity mist cleaner, it is characterised in that:Including power condensation cooling dust removing tube (1) and electric mist sedimentation tower (2), the bottom of power condensation cooling dust removing tube (1) passes through pipeline communication, the power with the middle part of electric mist sedimentation tower (2) Flue gas inlet pipe (3) is provided with the top of coalescence cooling dust removing tube (1), the bottom of power condensation cooling dust removing tube (1) is provided with spray Mouth (4), the nozzle (4) connects with power condensation water generator (5), arranges dynamic solidifying on power condensation water generator (5) And feed pump (6), the power condensation feed pump (6) connects with clear water reserviors (7), and in the electric mist sedimentation tower (2) electricity is provided with Fog generator (8) and positive plate (9), the positive plate (9) is arranged on the top of electric fog generator (8), electric fog generator (8) Lower section is electric mist dedusting area (10), and the bottom of electric mist dedusting area (10) is provided with slurry collecting groove (11), the electric mist sedimentation tower (2) top connects with air-introduced machine (12), and electric fog generator (8) connects with electric mist depositing dust feed pump (13), electric mist depositing dust feedwater Pump (13) is connected with clear water reserviors (7), and slurry collecting groove (11) is connected with slurry feeding pump (14), on the slurry feeding pump (14) Filter (15) is provided with, the power condensation water generator (5), electric fog generator (8) and positive plate (9) are by HVDC Power distribution cabinet (16) provides electric energy.
2. turbulent flow coalescence according to claim 1 electricity mist cleaner, it is characterised in that:The power condensation water generator (5) send negative charge in, power condensation water after power condensation water generator (5) it is negatively charged from from nozzle (4) from it is lower to Upper ejection, electronegative water and flue gas meet in the power condensation area of power condensation cooling dust removing tube (1), a part of little in flue gas Granule is directly landed by electrostatic attraction, and another part granule volume increase after water smoke infiltration, automatic sedimentation gets off.
3. turbulent flow coalescence according to claim 2 electricity mist cleaner, it is characterised in that:In power condensation cooling dust removing tube (1) interior quality and volume be more fine or dust of the not charged sedimentation of airflow fluctuation, enters after electric mist dedusting area (10) with air-flow, Charged mist will be blended further with dust infiltration so as to charged, and make electric mist dedusting area (10) reach vapo(u)rous state, micro- Fine dust may act as tuberculosis in vapo(u)rous state, and with the saturated vapor that electric fog generator (8) sends sedimentation is formed, and drop to In slurry collecting groove (11).
4. turbulent flow coalescence according to claim 3 electricity mist cleaner, it is characterised in that:The positive plate (9) is metal Inductance loop made by silk, plus high-pressure electricity on inductance loop, after processing inductance loop release electrostatic lotus, electric mist dedusting area (10) electricity mist Tail gas carry a large amount of negative charges, tail gas when positive plate (9), on positive plate (9) electric discharge cohesion, remove tail gas water Vapour.
5. turbulent flow coalescence according to claim 4 electricity mist cleaner, it is characterised in that:Arrange in the filter (15) There is filtering material, the slurry in slurry collecting groove (11) returns clear water reserviors (7), arranges outside filtering residue through filtering material, filtrate.
CN201710017477.4A 2017-01-11 2017-01-11 Electric mist dust removal equipment adopting turbulent coagulation Pending CN106669343A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710017477.4A CN106669343A (en) 2017-01-11 2017-01-11 Electric mist dust removal equipment adopting turbulent coagulation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710017477.4A CN106669343A (en) 2017-01-11 2017-01-11 Electric mist dust removal equipment adopting turbulent coagulation

Publications (1)

Publication Number Publication Date
CN106669343A true CN106669343A (en) 2017-05-17

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Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109468990A (en) * 2018-11-07 2019-03-15 山东港基建设集团有限公司 A kind of building cooling dust-extraction unit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109468990A (en) * 2018-11-07 2019-03-15 山东港基建设集团有限公司 A kind of building cooling dust-extraction unit

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Legal Events

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SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
CB03 Change of inventor or designer information
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Inventor after: Li Zhongguo

Inventor after: Kuang Yuping

Inventor after: Wu Jinzhe

Inventor after: Kang Yigun

Inventor after: Yang Xiaoming

Inventor before: Li Zhongguo

TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20171228

Address after: 730030 old road, Chengguan District, Lanzhou, Gansu Province, No. 346

Applicant after: LANZHOU KATE ENVIRONMENTAL TECHNOLOGY ENGINEERING CO., LTD.

Address before: 730030 No. 222 Tianshui South Road, Chengguan District, Gansu, Lanzhou

Applicant before: Lanzhou University