CN102343308B - Combined type electric deduster - Google Patents

Combined type electric deduster Download PDF

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Publication number
CN102343308B
CN102343308B CN 201010244404 CN201010244404A CN102343308B CN 102343308 B CN102343308 B CN 102343308B CN 201010244404 CN201010244404 CN 201010244404 CN 201010244404 A CN201010244404 A CN 201010244404A CN 102343308 B CN102343308 B CN 102343308B
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China
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combined type
dust
electric
electric cleaner
corona discharge
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CN102343308A (en
Inventor
袁野
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Shenyang Longda Environmental Protection Co ltd
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Priority to CN 201010244404 priority Critical patent/CN102343308B/en
Priority to PCT/CN2011/075815 priority patent/WO2012016481A1/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/02Plant or installations having external electricity supply
    • B03C3/025Combinations of electrostatic separators, e.g. in parallel or in series, stacked separators, dry-wet separator combinations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/02Plant or installations having external electricity supply
    • B03C3/04Plant or installations having external electricity supply dry type
    • B03C3/08Plant or installations having external electricity supply dry type characterised by presence of stationary flat electrodes arranged with their flat surfaces parallel to the gas stream
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/02Plant or installations having external electricity supply
    • B03C3/04Plant or installations having external electricity supply dry type
    • B03C3/09Plant or installations having external electricity supply dry type characterised by presence of stationary flat electrodes arranged with their flat surfaces at right angles to the gas stream
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34Constructional details or accessories or operation thereof
    • B03C3/82Housings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34Constructional details or accessories or operation thereof
    • B03C3/86Electrode-carrying means

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Abstract

The existing electric deduster at home and abroad has the defects that a design structure is reasonable; faults are produced frequently; and especially, heteropole separation distance errors are difficult to be controlled in installation construction and thus the heteropole separation distance errors largely exceed the standard frequently so that applied secondary voltage is greatly insufficient and it is influenced that dedusting efficiency reaches the standard. Aiming at the defects, the invention provides a combined type electric deduster. The combined type electric deduster is a combined type dust collecting device. A corona discharging pole wire and an anode plate are assembled accurately outside a box body of the combined type electric deduster and then internal parts of the combined type electric deduster are installed. Therefore, assembling errors can be limited to a minimal value; an anode plate dust collecting area is greatly improved simultaneously; a complex cathode wire framework suspension installation system and a complex cathode rapping ash removal device are left out so that sources of faults produced frequently are eliminated; and smoke dust emission concentration of the combined type electric deduster is reduced a value of 1 to 0mg/Nm<3>. The technology of the combined type electric deduster is suitable for large, middle and small electric dedusters.

Description

Combined electric dust remover
Technical field
The present invention relates to a kind of dust collect plant of the electric cleaner for removing the industrial fumes particle, relate in particular to a kind of open type anode plate of being applied in the electric cleaner and the control of dust electric field arrangement of corona discharge polar curve Combined frame structure.
Background technology
Known, the various cleaner technology such as the electric cleaner that at present domestic and international Environmental-protecting dust-removing industry is all and sack cleaner, the concentration of its dust discharge is all at tens of mg/Nm 3More than; all aerosol smokeshade below 0.2 micron in the industrial fumes thoroughly can not be removed; yet these micron order aerosol smokeshade just; have and be suspended in for a long time airborne characteristic; these micron order aerosol smokeshade can not natural subsidence; it is the main cause that causes the overhead poor visibility in some city; more seriously: in this micron order aerosol smokeshade; contain a large amount of the causing a disease such as dioxin; carcinogenic harmful substance, this micron order aerosol smokeshade also has a characteristic, is exactly that size is less; toxicity is larger; because size is less, its surface area is larger, and the biological respinse activity is also just higher; the possibility that enters other substance reaction of organism heel is just larger, and this becomes origin of hundreds of diseases! Announce according to the United Nations health heat: at present, air pollution causes only pulmonary system disease, and the whole world just has 600,000,000 people to suffer from lung disease approximately, have every year 2700000 dead therefore dead! Other causes a disease, carcinogenic death, can't add up especially! Its harm is big, makes us startling! Therefore, the development of new concentration of emission is reduced to 0.1mg/Nm 3With the electric cleaner down to zero-emission, be progressive requirements of epoch! The essential ultimate aim that realizes of human Environmental-protecting dust-removing engineering! This is huge social demand, and is very urgent!
The application of electricity was could be endless originally, can say that in some sense electricity is omnipotent! Therefore, electric cleaner is can easily reach to remove micron-sized air-capacitor glue particulate in the flue dust air-flow fully, and the realization smoke dust discharge concentration is reduced to 0.1mg/Nm 3With down to zero effect! If the gas that electric cleaner is discharged can be up to state standards; Main air quality standard 0.12mg/Nm 3Below, we just could assert that electric cleaner is zero-emission fully!
The patent applicant shifted to an earlier date since the retirement in 5 years from calendar year 2001, went around the whole nation, was engaged in the electric cleaner work of development zero-emission always, went through the effort in 5 years, finally obtained successfully to break through on basic principle in 2005!
Solving the technical scheme that its technical problem adopts is:
Patent of invention:
A kind of combined type dust collecting anode board patent No. 2006100460053
A kind of ultra-low concentration discharge electric cleaner [being the electric cleaner of having used a kind of combined type dust collecting anode board technology] patent No.: 2006100474963
Technology is characterized in that; Manufacturing and designing new-type open type positive plate, is to adopt the U-shaped laths of metal, and equidistant, equiangularly arranged combination is connected and fixed made open type anode plate by alignment pin.Open type anode plate substitutes the positive plate that gathers dust of old-fashioned shield type.In the casing of dedusting, open type anode plate and corona discharge wire are cooperated, perpendicular to the air motion direction, equidistant, parallel, alternative arrangement is combined into the electric field that hoover with the horizontal dust-collecting net grid of multiple tracks.
The technical scheme that this technology adopts successfully overcomes and has solved the efficiency of dust collection two large crux technical factors that affect electric cleaner:
1. combined type dust collecting anode board, effect with elimination and absorption airflow kinetic energy, the speed of the air-flow that passes through in the Electric Field in ESP is fallen rapidly subtract the 0.2m/s with down to being approximately zero, has successfully eliminated the impact that air velocity is disturbed the control of dust of charged micron order soot dust granule!
Dedusting circle is known altogether; The electric cleaner of an efficiency of dust collection 90%, its dust exhausting concentration 3500mg/Nm 3, in the constant situation of total smoke treatment amount, its specific collection area being increased by 1 times, its wind speed can reduce by 50%, and the concentration of emission of this electric cleaner can be down to 350mg/Nm 3, the electric cleaner concentration of emission can reduce by 10 times, and its efficiency of dust collection can be increased to 99%.As seen the speed of air-flow, it is the sedimentation to charged micron order soot dust granule, conclusive influence power is arranged, if the air-flow that will pass through in the sedimentation passage of electric field is reduced to windless, make the air-flow can not left and right sides micron order air-capacitor glue particulate main movement direction, make the Coulomb force of electric field can control the motion of charged micron order soot dust granule, electric cleaner just can obtain desirable efficiency of dust collection.Electric field sedimentation passage wind speed to be reduced to zero, it is constant to keep again former design per second to process the flue dust general gas flow, may? convention is known, certain in the total smoke treatment amount of electric cleaner, in the constant situation of electric field basal area, the wind speed in the electric field is namely certain so, because total smoke treatment amount is certain, wind speed is that absolutely not falling subtracts vanishing in the electric field, but facts have proved; People ignore that air-flow is to be present in the housing of sealing in the electric field, in the housing of sealing, gas enters in the housing of electric cleaner, to be determined by the negative pressure differential in the housing, flowed energy is that Negative Pressure Difference is given, because gas is passive being inhaled into fully, after gas enters housing, the air-flow inertia energy has been finished original effect, if in the casing of dedusting, a kind of combined type dust collecting anode board and corona discharge wire are cooperated, perpendicular to the air motion direction, equidistantly, parallel, alternative arrangement is combined into the electric field that hoover with the horizontal dust-collecting net grid of multiple tracks, and a kind of combined type dust collecting anode is to adopt the U-shaped laths of metal, equidistantly, hectare draft angle permutation and combination is connected and fixed made by alignment pin.Because the bar shaped air vent of U-shaped laths of metal combination, have the air-flow of making and produce eddy current effect, eddy current has elimination and absorbs the effect of airflow kinetic energy, the wind speed of the air-flow that passes through in electric field is fallen rapidly be kept to zero, detect the horizontal dust-collecting net grid in 3 roads through reality, after can making the 1m/s wind speed enter electric field, the air-flow of the not enough 1m of travel distance, its kinetic energy just could basic absorption and eliminations, will occur mirable " windless effect " in the electric cleaner housing internal electric field! This is that the violation convention is known, and " windless effect " is that the size of air-flow wind speed is the flow formula R1 by exhaust outlet because in the housing of sealing, the pressure everywhere in the housing is impartial 2.U1=R2 2.U2 determining that wind speed is that the radius squared along with the exhaust outlet distance is inversely proportional to, is along with away from exhaust outlet, and distance radius increases and the supplemental air flow speed that flows to exhaust outlet is fallen rapidly and subtracted.That is to say far apart from exhaust outlet in the electric cleaner housing, the supplemental air flow wind speed is less, and it is that the 3 D stereo mode is replenished that the air-flow of exhaust outlet replenishes, rather than the two dimensional surface mode that people assume as a matter of course is replenished.Facts have proved; This is the existing picture of out and out objective reality! With open type anode plate with the wind speed in the electric field from 1m/s, can fall to subtract 0.2m/s with down to being approximately zero fully, causing the air-flow that passes through in the sedimentation passage of the artificial like this electric field in the electric cleaner housing is the approximate zero wind speed, eliminated this main interference factors of air-flow, the Coulomb force of absorption becomes the unique control to charged micron order soot dust granule because charged micron order smokeshade is not about by air-flow! This provides optimal environmental condition for charged micron order smokeshade is deposited on the open type anode plate.The open type positive plate falls air-flow and is kept to zero simultaneously, and the crushing of its electric cleaner does not increase therefore and greatly.
2. a combined type dust collecting anode board can be under the electric-field intensity permanence condition, can hundred times, and thousand times of absorption gravitation that improved charged micron order soot dust granule electric field!
According to Coulomb's law as can be known, f=Q1.Q2/r 2Because the Coulomb force of charged micron order soot dust granule electric field is to be inversely proportional to square distance, that is to say that the smokeshade after charged is less with the positive plate distance of gathering dust, its electric field Coulomb force gravitation is larger.Under not increase of electric-field intensity condition, under charged not increase of the charge number condition of micron order air-capacitor glue particulate, distance between charged micron order soot dust granule and the anode plate is nearer, the anode plate is larger to the absorption affinity of the smokeshade after charged, and its Coulomb attraction reduces 1,100 times of increases because of distance! Charged micron order soot dust granule is closely catching by the anode plate at an easy rate.If in the casing of dedusting, we create conditions, force charged flue dust air-flow all from the airing hole of open type anode plate, to pass through, make charged smoke particle can obtain repeated multiple times and the close contact of open type anode plate, because distance is less than 1cm between the smokeshade after charged and the pole plate bar of open type anode plate, the electric field Coulomb force gravitation of charged micron order soot dust granule will obtain 1,100 times increase, and [be not tens cm distances in the past, its important meaning is; Coulomb attraction obtains 1,100 times increase, produces under the electric-field intensity permanence condition! ] can eliminate the interference that air-flow is caught sedimentation because of the open type anode plate that arranges again, this makes charged micron order soot dust granule doomed, and electric cleaner can obtain just naturally to realize that smoke dust discharge concentration reduces to 0.1mg/Nm 3With down to zero effect.
Facts have proved; The acquisition beneficial effect of using a kind of electric cleaner of combined type dust collecting anode board is:
1. a ultra-low concentration discharge electric cleaner is only used 1 electric field, just can obtain smoke dust discharge concentration and reduce to 0.1mg/Nm 3Below.[can reach country-level air quality standard! ] this is to use 10 electric fields in the past, and is also definitely inaccessible!
2. a ultra-low concentration discharge electric cleaner technology is the electric cleaner that applicable transformation is moving, and it is below 1/3 of technical scheme of [electricity changes bag] that house of correction costs.
3. a ultra-low concentration discharge electric cleaner is simple in structure, cheap, and operating cost is present same specification, with below 1/5 of electric cleaner of performance.
4. a ultra-low concentration discharge electric cleaner adopts the purge mode that completely newly gathers dust, and deashing is operated in the sealing and carries out again and again, stops reentrainment of dust, realizes that the long-term high efficiency of electric cleaner is moved continuously.Realize electric cleaner zero-emission truly.
5. the crushing of a ultra-low concentration discharge electric cleaner increases a little, but less than 400pa, far below the sack cleaner crushing.
In sum, this technical performance, price are transformed existing all kinds deduster with absolute predominance, are used widely in the industries such as metallurgy, cement, boiler of power plant and chemical industry.
Shenyang is grand to be reached pro-environment group and on August 26th, 2009 [a kind of ultra-low concentration discharge electric cleaner] is developed into first model machine, tests the repeated multiple times actual detection of group by Beijing PONY spectrum Buddhist nun, and [examining report] proves; Be 0.87m/s at electric field flue gas mean flow rate, inlet concentration is 40.3mg/Nm 3, actual detection exit concentration is 0.4/mg/Nm 3, reached three grades of air quality standards of country! After improving, be to reach country-level air quality standard fully! 0.1mg/Nm 3Below!
But, in development [a kind of ultra-low concentration discharge electric cleaner] model machine process, I investigate discovery, because the core technology ' a kind of combined type dust collecting anode board ' of [a kind of ultra-low concentration discharge electric cleaner], to use to be installed in original traditional electrical deduster design organization form, because the electric cleaner technology of traditional form, exist too many serious unreasonable design organization, this cover mechanism makes electric precipitator positive plate framework and cathode frame in construction, the extremely difficult control of its alignment error, the severe overweight of heteropole spacing alignment error causes to apply the voltage wretched insufficiency, and original unreasonable design organization is again the source that causes the accident and take place frequently, this can make the efficiency of dust collection can not be steady in a long-term, therefore, and must be to the unreasonable design organization of original electric cleaner, change thoroughly transformation, could thoroughly realize the zero-emission of deduster!
Through investigation; Mainly there is following unreasonable design problem in the electric cleaner of traditional form:
1. though in the calibrated electric field of packing into of the flatness of positive plate, understand temperature distortion after the operation, make the severe overweight of heteropole spacing alignment error.
2. because positive plate framework and cathode frame are large, degree of deformation is also just large, distance between positive plate framework and the cathode line framework is again little, and the infinite place device is controlled again, causes the change of distance between positive plate framework and the cathode line framework to be difficult to guarantee that its error is within allowed band!
3. because in electric cleaner, positive plate framework and cathode frame are the difference autonomous systems, but, after positive plate framework and cathode frame are distinguished again mutual combined crosswise, just consist of a control of dust electric field, because that the accumulated tolerance of how row's combinations are proofreaied and correct is more extremely difficult, site operation is difficult to guarantee that the design tolerance of two die openings is up to standard especially because positive plate framework and cathode frame are made of how row common combination respectively!
4. uneven because of distribution of gas in the electric field, the cross section of electric field is heated and differs, and causes that pole plate and cathode line frame deformation differ, and can make the severe overweight problem of heteropole spacing alignment error more serious.
5. the steel pipe that adopts of cathode line framework, Action of Gravity Field makes cathode line frame roof steel pipe generation deflection deformation, and the preset clearance between cathode line and the framework can cause the cathode line arcuate deformation when not enough.After electric field passed into flue gas, temperature distortion was even more serious, even the formation short circuit can not be worked.
6. in the past electric cleaner, anode and cathode rapping are respectively by two cover rapping apparatus, are independently to carry out separately vibration dust-cleaning; because vibration body is mounted in again in the electric cleaner casing; its Frequent Troubles, not only maintenance difficulty is in the maintenance process; also need electric cleaner to shut down; wait for three. after four hours, temperature is reduced to below 50 degree in the electric cleaner casing, and the people can enter in the electric cleaner casing; carry out service work, this will cause a large amount of stopping production accidents.
7. in the past the electric cleaner, to have huge cathode frame to hang installation system, not only need the high cathode insulation sleeve structure of a cover cost, also need to mix the complicated hot-air blowing Anti-dew system of a cover, especially the vibrating ash-removing mechanism of cathod system, system is more complicated than the anode vibration dust-cleaning, and this is the fault source of Frequent Accidents especially.
The not strict construction management of these problems just could be able to be controlled and avoid, and must invention design new mechanism form, could thoroughly be solved!
Summary of the invention
Technical problem to be solved by this invention is:
Be the severe overweight that overcomes electric cleaner heteropole spacing alignment error and the heteropole spacing tolerance in service problem such as change, and for cathode frame suspension installation system, hot-air blowing Anti-dew system, mechanism's Frequent Accidents such as vibration dust-cleaning etc., the pro forma deficiency of existing design organization.Combined electric dust remover of the present invention provides a kind of combined type dust collect plant, and this technique device can be controlled the source of trouble that heteropole spacing alignment error changes and other can be taken place frequently, and is stopped from the design organization cancellation.This combined type dust collect plant can easily overhaul, and reduces cost, can be applicable in the large, medium and small various electric cleaners.
The technical scheme that solution the technology of the present invention problem adopts is:
[1] is with 1 large electric field that hoover, resolves into the little electric field that hoover system of n combined type dust collect plant; Manufacture and design a kind of combined type dust collect plant for Combined electric dust remover: by identical shaped U-shaped laths of metal, at a certain distance, certain angle is arranged, be connected and fixed made open type anode plate by connecting alignment pin, uniform air vent on the open type anode plate, again that a plurality of open type anode plates are parallel, arrangement is fixed on the plane framework, be combined into an open type positive plate block frame, simultaneously that n corona discharge polar curve is parallel, equidistantly, arrangement is fixed on the framework, make a corona discharge polar curve framework, with the insulation lath this corona discharge polar curve frame hanging is fixed on to parallel with it again and arranges two positive plate block frame middles at regular intervals, make a combined type dust collect plant, in the casing of electric cleaner, with 1-n combined type dust collect plant, perpendicular to the air motion direction, being arranged in parallel is combined into the electric field that hoover system with the horizontal dust-collecting net grid of multiple tracks.In the casing of electric cleaner, can arrange 1-n the like this electric field that hoover system of installing.
[2] owing to adopt the insulation lath that corona discharge polar curve frame hanging is fixed on the positive plate block frame, the device that becomes one, during rapping positive plate block frame, just can the while also rapping corona discharge polar curve framework.Therefore can cancel the vibrating ash-removing mechanism of more complicated cathod system, therefore electric cleaner only needs the common anode ash removal equipment for flapping of a cover to get final product.Vibration dust-cleaning anvil head is installed on each combined type dust collect plant, and the vibration dust-cleaning anvil head with on each combined type dust collect plant all leans out in the casing of electric cleaner, and the ash removal equipment for flapping outer with the casing that is installed in electric cleaner is connected.
[3] be fixed on the positive plate block frame owing to corona discharge polar curve frame hanging, become one, huge cathode frame be can cancel and installation system and hot-air blowing Anti-dew system hung, on each combined type dust collect plant, all use and directly adopt the high-tension electricity insulated conductor that the negative pole end of corona discharge polar curve framework with high-voltage dc voltage output is electrically connected, the positive terminal of each positive plate block frame with high-voltage dc voltage output is electrically connected and ground connection.[can cancel like this metal framework mode that adopts between the original corona discharge polar curve framework and be electrically connected, so just eliminate between each corona discharge polar curve framework because of each other tractive distortion, the heteropole spacing that produces changes.】
The beneficial effect of Combined electric dust remover is:
1. Combined electric dust remover is to adopt the combined type dust collect plant; its open type anode plate is to be fixed on the framework; to be limited by framework after the temperature distortion of anode plate; the combined type dust collect plant is a kind of project organization of manifold type; can in factory floor, carry out the scale batch production; after also can outside the electric cleaner casing, accurately assembling; the electric cleaner box house is installed again; alignment error can be limited in minimum, the anode plate that the combined type dust collect plant can be stopped to take place frequently and corona discharge polar curve case accident.
2. Combined electric dust remover, its corona discharge polar curve framework, with the insulation lath, suspension is fixed on the middle of the positive plate block frame group that parallels with it arrangement, insulation lath, the relative displacement of restriction corona discharge polar curve framework, corona discharge polar curve framework can be remained on two center lines between the positive plate block frame, the error change of heteropole spacing is effectively controlled, and this has guaranteed that the secondary voltage that applies is stable, has guaranteed stable efficiency of dust collection.
3. Combined electric dust remover, to be repeated to install by the combined type dust collect plant, this increases the specific collection area of anode plate greatly, anode specific collection area than [a kind of minimum discharge concentration electric cleaner] doubles, anode specific collection area than old-fashioned electric cleaner, can improve more than 5 times, improve greatly the useful space utilization rate in the electric cleaner, save the electric cleaner cost of manufacture.
4. Combined electric dust remover adopts anode and cathode combination to be installed on the same frame structure, therefore only needs a cover rapping apparatus to get final product.Not only can save the more complicated cathode rapping device of a cover, also thoroughly eliminate the fault source that takes place frequently, save the trouble of a large amount of stop production to overhaul!
5. Combined electric dust remover, adopt the high-tension electricity insulated conductor, the negative pole end of each corona discharge polar curve framework with high-voltage dc voltage output is electrically connected, can have saved huge cathode frame and hang installation system and complicated hot-air blowing Anti-dew system, reduced the cost of electric cleaner.
6. Combined electric dust remover, adopt rapping apparatus to be arranged on top or the side of electric cleaner housing outside, not only improved useful space utilization rate in the electric cleaner, save the electric cleaner cost of manufacture, also more be conducive to convenient maintenance, can very easily rapping apparatus partly be overhauled under the electric cleaner condition that does not stop production in service, this improves the electric cleaner operation ratio greatly.
7. Combined electric dust remover, its each combined type dust collect plant is the little independent electric field that hoover of one-level, each combined type dust collect plant is higher than in the past 80% efficiency of dust collection of a large electric field of electric cleaner far away, each combined type dust collect plant has up to the efficiency of dust collection more than 99%, therefore, in fact from now on the zero-emission electric cleaner only needs to be equipped with an electric field basically, just industrial dust discharged concentration can be controlled at 0.1mg/Nm 3With down to zero, just can reach country-level air quality standard! Can realize the discharging of electric cleaner zero fully! Again do not need to be equipped with and had the so huge electric cleaner of seven, eight electric fields, the cost of electric cleaner of having realized real decrease.
8. the Combined electric dust remover technology with absolute predominance, is used widely in the industries such as metallurgy, cement, boiler of power plant and chemical industry, is the essential equipment that desulfurization reduces discharging!
Description of drawings
Below in conjunction with embodiment and accompanying drawing, the present invention done being described in further detail.Following examples are non-limiting embodiment of the present invention.
Fig. 1 is the open type anode plate figure of the embodiment of the invention.
Fig. 2 is the transverse cross-sectional view of the embodiment 1 of A-A among Fig. 1.
Fig. 3 is the transverse cross-sectional view of the embodiment 2 of A-A among Fig. 1.
Fig. 4 is the transverse cross-sectional view of the embodiment 3 of A-A among Fig. 1.
Fig. 5 is positive plate block frame schematic diagram of the present invention.
Fig. 6 is corona discharge polar curve framework schematic diagram of the present invention.
Fig. 7 is TV structure schematic diagram on the combined type dust collect plant of the present invention.
Fig. 8 is that combined type dust collect plant of the present invention is faced structural representation.
Fig. 9 is the interior longitudinal sectional drawing of casing that the combined type dust collect plant of the embodiment of the invention is installed in electric cleaner.
Figure 10 is the interior transverse cross-sectional view of casing that the combined type dust collect plant of the embodiment of the invention is installed in electric cleaner.
Figure 11 is combined type dust collect plant and the dedusting and flapping device matching connection scheme of installation of the embodiment of the invention.
Figure 12 is that the combined type dust collect plant of the embodiment of the invention is arranged scheme of installation in the casing of electric cleaner.
Among the figure; 1.-U shape anode lath, 2.-alignment pin, 3.-anode plate, 4.-the corona discharge polar curve, 5.-corona discharge polar curve framework, 6.-positive plate block frame, 7.-insulation strip, 8.-inlet box, 9.-air exhaust box, 10.-ash bucket, 11.-dust-removing box, 12.-high-tension electricity insulated conductor, 13.-dedusting and flapping device, 14.-the anvil unit head, 15-combined type dust collect plant.
The specific embodiment
In the present embodiment,
As shown in Figure 1, be to adopt U-shaped laths of metal (1), equidistant, permutation and combination are connected and fixed made open type anode plate (3) by alignment pin (2).
As shown in Figure 2; Open type anode plate embodiment 1 among the present invention of A-A among Fig. 1, to adopt U-shaped laths of metal (1), equidistantly, every permutation and combination alternate with each other repeatedly, be connected and fixed the transverse cross-sectional view of made open type anode plate (3) by alignment pin (2).
As shown in Figure 3; Open type anode plate embodiment 2 among the present invention of A-A among Fig. 1, to adopt U-shaped laths of metal (1), equidistantly, per 2 permutation and combination alternate with each other repeatedly, be connected and fixed the transverse cross-sectional view of made open type anode plate (3) by alignment pin (2).
As shown in Figure 4; Being open type anode plate embodiment 3 among the present invention of A-A among Fig. 1, is to adopt U-shaped laths of metal (1), equidistantly, permutation and combination in the same way, is connected and fixed the transverse cross-sectional view of made open type anode plate (3) by alignment pin (2).
As shown in Figure 5; Be a plurality of open type anode plates (3) are parallel, arrange and to be fixed on the plane framework, make an open type positive plate block frame (6).At open type positive plate block frame (6) vibration dust-cleaning anvil head (14) is installed.
As shown in Figure 6; N corona discharge polar curve (4) is parallel, equidistant, arrangement is fixed on the framework, makes a corona discharge polar curve frames (5).
As shown in Figure 7; With insulation lath (7) corona discharge polar curve framework (5) is hung to be fixed on to parallel with it and arrange two positive plate block frames at regular intervals (6) middle, a combined type dust collect plant (15) of making.
As shown in Figure 8; In the middle of two identical positive plate block frames (6), be mounted with corona discharge polar curve framework (5), a combined type dust collect plant (15) made from insulation board (7) suspension.
As shown in Figure 9; Be again 10 combined type dust collect plants (15) to be divided into 2 groups, perpendicular to the air motion direction, being arranged in parallel is installed in electric cleaner casing (11) inside, has formed respectively 2 control of dust electric fields.Be respectively equipped with inlet box (8) and air exhaust box (9) in the electric cleaner tank ends, be provided with ash bucket (10) at lower box.
As shown in figure 10; Be again 10 combined type dust collect plants (15) to be divided into 2 groups, perpendicular to the air motion direction, being arranged in parallel is installed in electric cleaner casing (11) inside, has formed respectively 2 control of dust electric fields.Use high-voltage insulating wire (12) to be electrically connected with the negative pole end of high-voltage dc voltage output each corona discharge polar curve framework (5).Be respectively equipped with inlet box (8) and air exhaust box (9) in the electric cleaner tank ends.
As shown in figure 11; The made combined type dust collect plant (15) of anode plate (3) and corona discharge polar curve (4) will be installed, laterally perpendicular to the air motion direction, be arranged in parallel to hang and be installed in the casing of electric cleaner, at knockdown dust collect plant (15) vibration dust-cleaning anvil head (14) is installed, vibration dust-cleaning anvil head (14) leans out in the casing of electric cleaner, and being complementary with the casing that is installed in electric cleaner ash removal equipment for flapping (13) outward is connected.
As shown in figure 12; At the electric cleaner box house, the 2nd control of dust electric field is by n combined type dust collect plant (15), perpendicular to the air motion direction, be arranged in parallel form.Be respectively equipped with inlet box (8) and air exhaust box (9) in the electric cleaner tank ends, be provided with ash bucket (10) at lower box.

Claims (3)

1. Combined electric dust remover, tank ends at electric cleaner is respectively equipped with inlet box and air exhaust box, be provided with ash bucket at lower box, parallel alternative arrangement is equipped with corona discharge polar curve and open type anode plate in the casing, they combine the electric field that hoover system, be respectively equipped with dedusting and flapping device on corona discharge polar curve and the open type anode plate, the corona discharge polar curve is electrically connected with the negative pole end of high-voltage dc voltage output, open type anode plate is electrically connected and ground connection with the positive terminal of high-voltage dc voltage output, it is characterized in that: uniform air vent on the open type anode plate, open type anode plate is by identical shaped U-shaped laths of metal, at a certain distance, certain angle is arranged, be connected and fixed made by connecting alignment pin, a plurality of open type anode plates are parallel, arrangement is fixed on the plane framework, make a positive plate block frame, simultaneously that n corona discharge polar curve is parallel, equidistantly, arrangement is fixed on the framework, make a corona discharge polar curve framework, with the insulation lath this corona discharge polar curve frame hanging is fixed on to parallel with it again and arranges and two positive plate block frame middles at regular intervals, make a combined type dust collect plant, in the casing of electric cleaner, with 1-n combined type dust collect plant, perpendicular to the air motion direction, be arranged in parallel into the electric field that hoover system with the horizontal dust-collecting net grid of multiple tracks, in the casing of electric cleaner, arrange 1-n the electric field that hoover system of installing.
2. Combined electric dust remover according to claim 1, it is characterized in that: be with the high-tension electricity insulated conductor negative pole end of each the corona discharge polar curve framework in the combined type dust collect plant with high-voltage dc voltage output to be electrically connected, the positive terminal of each positive plate block frame with high-voltage dc voltage output is electrically connected and ground connection.
3. Combined electric dust remover according to claim 1, it is characterized in that: on each combined type dust collect plant, vibration dust-cleaning anvil head all is installed, vibration dust-cleaning anvil head on each combined type dust collect plant, all lean out from the casing of electric cleaner, the dedusting and flapping device outer with the casing that is installed in electric cleaner is connected.
CN 201010244404 2010-08-04 2010-08-04 Combined type electric deduster Expired - Fee Related CN102343308B (en)

Priority Applications (2)

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CN 201010244404 CN102343308B (en) 2010-08-04 2010-08-04 Combined type electric deduster
PCT/CN2011/075815 WO2012016481A1 (en) 2010-08-04 2011-06-16 Combined electrostatic precipitator

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Application Number Priority Date Filing Date Title
CN 201010244404 CN102343308B (en) 2010-08-04 2010-08-04 Combined type electric deduster

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