CN106238207A - A kind of electro dust removing method of high temperature height innage dust and gas body - Google Patents
A kind of electro dust removing method of high temperature height innage dust and gas body Download PDFInfo
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- CN106238207A CN106238207A CN201610773862.7A CN201610773862A CN106238207A CN 106238207 A CN106238207 A CN 106238207A CN 201610773862 A CN201610773862 A CN 201610773862A CN 106238207 A CN106238207 A CN 106238207A
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- temperature height
- gas body
- removing equipment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION 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
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION 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
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION 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
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/74—Cleaning the electrodes
- B03C3/76—Cleaning the electrodes by using a mechanical vibrator, e.g. rapping gear ; by using impact
Abstract
The invention belongs to dedusting technical field, be specifically related to the electro dust removing method of a kind of high temperature height innage dust and gas body.Described electro dust removing method comprises the following steps: first high temperature height innage dust and gas body is passed through electric dust-removing equipment, starts dust pelletizing system；Carrying out along with dedusting, temperature in electric dust-removing equipment is gradually consistent with high temperature height innage dust and gas temperature, and the putty cake on collecting polar plate is more and more thicker, when collecting polar plate can not meet dust removal requirement, close dust pelletizing system, high temperature height innage dust and gas body is passed through another electric dust-removing equipment；By regenerating unit, the collecting polar plate of out-of-work electric dust-removing equipment is regenerated, when the collecting polar plate of the electric dust-removing equipment in work can not normally work, electric dust-removing equipment after high temperature height innage dust and gas body is switched to regeneration again works on, the like, it is achieved the periodicity alternation of multiple electric dust-removing equipments and regeneration.Electro dust removing method dedusting amount of the present invention is big, and efficiency is high, and step is simple, operates safety, low cost.
Description
Technical field
The invention belongs to dedusting technical field, be specifically related to the electro dust removing method of a kind of high temperature height innage dust and gas body.
Background technology
High temperature height innage dust and gas body is often produced in chemical industry, oil, metallurgy, building materials, oil shale, biological pyrolysis art,
Containing materials such as substantial amounts of high temperature tar, class bituminous material and dust, and in mixed gas containing carbons easily separate out material such as tar,
Class bituminous material only can exist with gaseous state in the environment of high temperature, and temperature is the most too low or environment once changes, just
Easily separating out from gaseous mixture and be attached on filter mechanism, precipitate dust in dedusting gas is combined rapidly generation filter cake, causes
Make filter mechanism lose filtering function, make production to continue.
In recent years, first high temperature height innage dust and gas body carries out preheating cleaner before being passed through cleaner, makes dedusting set
Standby inner chamber preheating temperature is close to entering Temperature numerical during cleaner with high temperature height innage dust and gas body, reduces and easily analyses containing carbons
Go out material such as tar, the precipitation of class bituminous material, improve the filtering function of cleaner, such as: Chinese patent
CN104226028A discloses a kind of filtering dust method of high-temperature oil gas, steam, gaseous mixture containing the easy precipitate of carbons, logical
Cross and separation gaseous mixture is connected with two or more filter plants and disconnects, can the filtration in a filter plant easily
Mechanism works after a period of time, filter mechanism filter capacity because in surface and pore containing carbons easy precipitate such as tar Jiao,
The combination of class bituminous material and coal ash attachment, thickeies and declines to a great extent so that can not meet when normally work, switching
Go in another filter plant, it is ensured that separation process is uninterrupted；And out-of-work filter plant by with slow transit through
Fertile absorber such as oxygen-containing gas, carbon dioxide containing gas, steam reaction, gradually adhere to the filter mechanism that Main Ingredients and Appearance is carbon
Thing reacts away, and becomes the gases such as carbon monoxide and leaves in filter mechanism surface and pore, it is achieved filter mechanism filter capacity
Regeneration.But, during industrialized production, cleaner is the hugest, the volume of the most hundreds of, thousands of cubes, the inside
Parts more, inlet chamber and outlet chamber i.e. dedusting environment to whole system carry out high temperature preheating, can produce bigger warp
Ji cost；Even more important property is, uses high-temperature gas or other modes to heat whole dedusting cavity and generally to introduce
A large amount of high-temperature gases, and the high-temperature gas introduced easily is mixed into and treats in dedusting high temperature height innage dust and gas body, changes pyrolysis gas
Composition, reduce its economy, the gas separating treatment in later stage is the most more complicated；The most general high temperature height innage dust and gas body is all easy
Fire explosive, with the heat form such as high-temperature gas, electric heating, whole cavity is preheating to the behavior that the condition of high temperature is a kind of danger, also
Its warm, the safety of dust removal process and reliable can be reduced because increasing electrothermal mechanism, the switching operation such as high-temperature gas
Property.
Electric precipitation is the one of dedusting method, and dusty gas is electrically isolated through high-voltage electrostatic field, and grit is with negative
On ions binding band after negative electricity, tend to anode surface electric discharge and deposit.In order to purify gas or to return in the industry such as metallurgical, chemical
Receive useful grit, utilize electrostatic field to make gas ionization so that dust particles is adsorbed onto the collecting method on electrode.At highfield
Middle air molecule is ionized as cation and electronics, and electronics marches on towards and runs into grit in anode process, makes that grit is electronegative to be adsorbed onto
Positive pole is collected, and is usually used in the factory with coal as fuel, power station, collects the coal ash in flue gas and dust, is used for collecting in metallurgy
The oxide of stannum, zinc, lead, aluminum etc..
Chinese patent CN105413871A discloses a kind of hot electrostatic precipitator subregion spray coupling moisture film and rinses ashman
Skill and device, device final stage electric field purge mode is that subregion spray coupling continues the efficient deashing of moisture film, without anode and cathode vibration dust-cleaning
System；Anode uses the composite material anode plate that surface moisture film film forming characteristics is good；Moisture film rinse-system water source quoted from filtered water tank,
Moisture film flushing water supervisor and many anode water distributor firm welding composition independent pipe networks；Spray irrigation system water source is quoted from clear water
Case, several arms are welded according to fishbone form in every spray irrigation supervisor both sides；Moisture film flushing liquid is by the bottom of anode water distributor
Portion's apopore flows through composite material electrode plate surface, flows into sewage after the dust particles being deposited on positive plate surface being rinsed well
Case；Foul water tank liquid is after horizontal screw centrifuge separates, and clear liquid pumps into filtered water tank, body refuse recycling；Spray irrigation pipe network sprays
Pouring amount and startup frequency setting principle are changed to 0.5～2% for controlling moment smoke moisture.But, this patent is limited only to gas
Measure less high temperature height innage dust and gas body, and the dust of oil-containing not easily pass through again and beats the dust removing on collecting polar plate,
Still there are part tar and dust to be attached to collecting polar plate surface, affect collecting polar plate adsorption of dust ability.
Summary of the invention
For overcoming drawbacks described above, it is an object of the invention to provide the electro dust removing method of a kind of high temperature height innage dust and gas body,
Dedusting amount is big, and efficiency is high, and step is simple, operates safety, low cost.
For achieving the above object, the present invention adopts the following technical scheme that
The electro dust removing method of a kind of high temperature height innage dust and gas body, comprises the following steps:
(1) n platform electric dust-removing equipment first in parallel, is passed through wherein m platform electric dust-removing equipment, n >=2, m ＜ by high temperature height innage dust and gas body
N, starts dust pelletizing system, is adsorbed by collecting polar plate after dust is charged, and tar separates out in mixed gas, and absorption is at collecting polar plate
On, high temperature cleaning gaseous mixture is discharged in electric dust-removing equipment；
(2) along with the carrying out of dedusting, the temperature in electric dust-removing equipment is gradually consistent with high temperature height innage dust and gas temperature, dust collecting electrode
Putty cake on plate is more and more thicker, when collecting polar plate can not meet dust removal requirement, closes dust pelletizing system, disconnects high temperature height innage dirt
Gas and the connection of described electric dust-removing equipment, be passed through another electric dust-removing equipment by high temperature height innage dust and gas body；
(3) being regenerated the collecting polar plate of out-of-work electric dust-removing equipment by regenerating unit, putty cake falls in ash bucket and discharges,
When the collecting polar plate of the electric dust-removing equipment in work can not normally work, after high temperature height innage dust and gas body is switched to regeneration again
Electric dust-removing equipment work on, the like, it is achieved the periodicity alternation of multiple electric dust-removing equipments and regeneration.
Preferably, described high temperature height innage dust and gas temperature is 250-750 DEG C, and flow is 5-30m3/min。
Preferably, described high temperature height innage dust and gas body tar content is 100-3000g/m3, it is 100-containing Dust Capacity
2000g/m3。
Preferably, described regenerating unit is physics regenerating unit and/or chemical regeneration device.
Preferably, described physics regenerating unit be scrape mechanism, beat in mechanism and spraying and blowing organ one or more.
Preferably, scrape mechanism described in include being arranged on the first track of electric dust-removing equipment inwall vertical direction and with described
The scraper being slidably connected on first track, the blade of described scraper contacts with described collecting polar plate surface.
Preferably, scrape mechanism described in and also include being arranged on the second track of electric dust-removing equipment inwall vertical direction and described
The scraper plate being slidably connected on second track, described scraper plate arranges through hole, the cylindrical that the inner periphery of described through hole is excellent with corona discharge electrode
Week matches.
Preferably, described chemical regeneration device is oxygen-containing gas input mechanism.
Preferably, described oxygen-containing gas is that air forms through the dilution of carbon dioxide, nitrogen or steam, carrier of oxygen
Long-pending content is 0.1-2%.
Preferably, described oxygen-containing gas is that air forms through steam dilution.
The positive beneficial effect of the present invention:
1. the present invention is directly passed through atm number (5-30 m in electric dust-removing equipment3/ min) high temperature height innage dust and gas body, do not have
Electric dust-removing equipment is preheated, reduces cost, and be not mixed into other compositions and be easy to later separation, operate also safety；This
Invention is not under conditions of preheating electric dust-removing equipment, and a large amount of tar separate out, simultaneously along with the carrying out of dedusting, electric precipitation
Temperature in equipment is gradually consistent, by regenerating unit to out-of-work electric dust-removing equipment with high temperature height innage dust and gas temperature
Collecting polar plate regeneration, continue afterwards to be passed through high temperature height innage dust and gas body, due to the temperature in now electric dust-removing equipment and high temperature
High innage dust and gas temperature is the most basically identical, and therefore, subsequent high temperature height innage dirt tar in gas is difficult to separate out, and dust more holds
Easily absorption, oil removing efficiency of dust collection is high.
2. the present invention uses n platform electric dust-removing equipment in parallel, it is possible to realizes high temperature height innage dust and gas body and sets at multiple electric precipitations
Standby upper switching, multiple electric dust-removing equipments will not interfere with each other, and both can use simultaneously, it is also possible to is used alone one, electric precipitation
Equipment does not stop production alternate run, it is achieved dedusting tolerance double；The tar content of high temperature height innage dust and gas body of the present invention is
100-3000g/m3, it is 100-2000g/m containing Dust Capacity3, the treatment effeciency of tar and dust is all reached more than 80%, dedusting amount
Greatly, efficiency is high.
Regenerating unit the most of the present invention is physics regenerating unit and/or chemical regeneration device, and described physics regenerating unit is for scraping
Motivation structure, one or more beaten in mechanism and spraying and blowing organ, described in scrape mechanism and include being arranged on electric dust-removing equipment inwall
First track of vertical direction and with the scraper that is slidably connected on described first track, the blade of described scraper and described dust collecting electrode
Plate surface contacts, described in scrape mechanism and also include being arranged on second track and described second of electric dust-removing equipment inwall vertical direction
The scraper plate being slidably connected on track, described scraper plate arranges through hole, the cylindrical phase that the inner periphery of described through hole is excellent with corona discharge electrode
Coupling, of the present invention scrape mechanism and collecting polar plate and corona discharge electrode rod contact fully, collecting polar plate and corona discharge electrode rod regenerate
Effective；Described chemical regeneration device is oxygen-containing gas input mechanism, and oxygen-containing gas sinks with collecting polar plate and corona discharge electrode rod surface
Long-pending oxidable granule generation oxidation reaction, the function of the absorption dust of recovery collecting polar plate, and chemical regeneration device and thing
Reason regenerating unit shares, and dedusting is thorough, favorable regeneration effect.Therefore, regenerating unit of the present invention is good to the cleaning effect of collecting polar plate,
Easy to operate, low cost.
Oxygen-containing gas the most of the present invention is that air forms through steam dilution, and wherein oxygen and steam all can mix with high temperature
Close the tar in gas, class bituminous material, coal ash attachment generation oxidation reaction, it is achieved the regeneration of filter mechanism, favorable regeneration effect.
The electro dust removing method dedusting amount of high temperature height innage dust and gas body the most of the present invention is big, and efficiency is high, and step is simple, operation peace
Entirely, low cost.
Accompanying drawing explanation
Fig. 1 is one of electric dust-removing equipment structural representation scraping mechanism of the present invention；
Fig. 2 is that electric dust-removing equipment of the present invention scrapes the two of the structural representation of mechanism；
In figure: 1-electric dust-removing equipment, 21-the first track, 22-the second track, 3-scraper, 4-collecting polar plate, 5-scraper plate, 6-corona
Extremely rod, 7-ash bucket.
Detailed description of the invention
Below in conjunction with some specific embodiments, the present invention is further described.
Embodiment 1
See Fig. 1 and Fig. 2, the electro dust removing method of a kind of high temperature height innage dust and gas body, comprise the following steps:
(1) first and ter platform electric dust-removing equipment, by temperature be 500 DEG C, flow be 5m3/ min, containing tar 3000g/m3, containing powder
Dirt 2000g/m3High temperature height innage dust and gas body be passed through a wherein electric dust-removing equipment, start dust pelletizing system, the charged rear quilt of dust
Collecting polar plate 4 adsorbs, and tar separates out in mixed gas, and absorption is on collecting polar plate 4, and high temperature cleaning gaseous mixture sets from electric precipitation
Standby interior discharge；
(2) along with the carrying out of dedusting, electric dust-removing equipment internal temperature reaches 390 DEG C, and the temperature of inner components is 180 DEG C, collection
Putty cake on dirt pole plate 4 is more and more thicker, and now collecting polar plate can not meet dust removal requirement, closes dust pelletizing system, disconnects high temperature
High innage dust and gas body and the connection of described electric dust-removing equipment, be passed through another electric dust-removing equipment by high temperature height innage dust and gas body；
(3) being regenerated the collecting polar plate of out-of-work electric dust-removing equipment by regenerating unit, putty cake falls in ash bucket 7 and arranges
Going out, when the collecting polar plate 4 of the electric dust-removing equipment in work can not normally work, high temperature height innage dust and gas body is switched to again again
Electric dust-removing equipment after life works on, the like, it is achieved the periodicity alternation of multiple electric dust-removing equipments and regeneration.
Described regenerating unit for scraping mechanism, described in scrape mechanism and include being arranged on electric dust-removing equipment 1 inwall vertical direction
The first track 21 and with the scraper 3 that is slidably connected on described first track 21, the blade of described scraper 3 and described collecting polar plate
4 surface contacts；The described mechanism that scrapes also includes being arranged on second track 22 and described of electric dust-removing equipment 1 inwall vertical direction
The scraper plate 5 being slidably connected on two tracks 22, described scraper plate 5 arranges through hole, outside the inner periphery of described through hole is with corona discharge electrode rod 6
Circumference matches.
Embodiment 2
See Fig. 1 and Fig. 2, the electro dust removing method of a kind of high temperature height innage dust and gas body, comprise the following steps:
(1) first and quarter platform electric dust-removing equipment, by temperature be 700 DEG C, flow be 25m3/ min, containing tar 3000g/m3, contain
Dust 2000g/m3High temperature height innage dust and gas body be passed through wherein two electric dust-removing equipments, start dust pelletizing system, after dust is charged
Being adsorbed by collecting polar plate 4, tar separates out in mixed gas, and absorption is on collecting polar plate 4, and high temperature cleaning gaseous mixture is from electric precipitation
Discharge in equipment；
(2) along with the carrying out of dedusting, electric dust-removing equipment internal temperature reaches 680 DEG C, and the temperature of inner components is 660 DEG C, collection
Putty cake on dirt pole plate is more and more thicker, and now collecting polar plate 4 can not meet dust removal requirement, closes dust pelletizing system, disconnects high temperature
High innage dust and gas body and the connection of described electric dust-removing equipment, be passed through another electric dust-removing equipment by high temperature height innage dust and gas body；
(3) being regenerated the collecting polar plate of out-of-work electric dust-removing equipment by regenerating unit, putty cake falls in ash bucket 7 and arranges
Going out, when the collecting polar plate 4 of the electric dust-removing equipment in work can not normally work, high temperature height innage dust and gas body is switched to again again
Electric dust-removing equipment after life works on, the like, it is achieved the periodicity alternation of multiple electric dust-removing equipments and regeneration.
Described regenerating unit for scraping mechanism, described in scrape mechanism and include being arranged on electric dust-removing equipment 1 inwall vertical direction
The first track 21 and with the scraper 3 that is slidably connected on described first track 21, the blade of described scraper 3 and described collecting polar plate
4 surface contacts；The described mechanism that scrapes also includes being arranged on second track 22 and described of electric dust-removing equipment 1 inwall vertical direction
The scraper plate 5 being slidably connected on two tracks 22, described scraper plate 5 arranges through hole, outside the inner periphery of described through hole is with corona discharge electrode rod 6
Circumference matches.
Embodiment 3
See Fig. 1 and Fig. 2, the electro dust removing method of a kind of high temperature height innage dust and gas body, comprise the following steps:
(1) first and ter platform electric dust-removing equipment, by temperature be 750 DEG C, flow be 15m3/ min, containing tar 3000g/m3, contain
Dust 2000g/m3High temperature height innage dust and gas body be passed through a wherein electric dust-removing equipment, start dust pelletizing system, after dust is charged
Being adsorbed by collecting polar plate 4, tar separates out in mixed gas, and absorption is on collecting polar plate 4, and high temperature cleaning gaseous mixture is from electric precipitation
Discharge in equipment；
(2) along with the carrying out of dedusting, electric dust-removing equipment internal temperature reaches 680 DEG C, and the temperature of inner components reaches 680 DEG C,
Putty cake on collecting polar plate is more and more thicker, and now collecting polar plate 4 can not meet dust removal requirement, closes dust pelletizing system, disconnects height
The high innage dust and gas body of temperature and the connection of described electric dust-removing equipment, be passed through another electric dust-removing equipment by high temperature height innage dust and gas body；
(3) being regenerated the collecting polar plate of out-of-work electric dust-removing equipment by regenerating unit, putty cake falls in ash bucket 7 and arranges
Going out, when the collecting polar plate 4 of the electric dust-removing equipment in work can not normally work, high temperature height innage dust and gas body is switched to again again
Electric dust-removing equipment after life works on, the like, it is achieved the periodicity alternation of multiple electric dust-removing equipments and regeneration.
Described regenerating unit for scraping mechanism, described in scrape mechanism and include being arranged on electric dust-removing equipment 1 inwall vertical direction
The first track 21 and with the scraper 3 that is slidably connected on described first track 21, the blade of described scraper 3 and described collecting polar plate
4 surface contacts；The described mechanism that scrapes also includes being arranged on second track 22 and described of electric dust-removing equipment 1 inwall vertical direction
The scraper plate 5 being slidably connected on two tracks 22, described scraper plate 5 arranges through hole, outside the inner periphery of described through hole is with corona discharge electrode rod 6
Circumference matches.
Embodiment 4
See Fig. 1 and Fig. 2, the electro dust removing method of a kind of high temperature height innage dust and gas body, comprise the following steps:
(1) first and quarter platform electric dust-removing equipment, by temperature be 750 DEG C, flow be 30m3/ min, containing tar 3000g/m3, contain
Dust 2000g/m3High temperature height innage dust and gas body be passed through wherein two electric dust-removing equipments, start dust pelletizing system, after dust is charged
Being adsorbed by collecting polar plate 4, tar separates out in mixed gas, and absorption is on collecting polar plate 4, and high temperature cleaning gaseous mixture is from electric precipitation
Discharge in equipment；
(2) along with the carrying out of dedusting, electric dust-removing equipment internal temperature reaches 710 DEG C, and the temperature of inner components reaches 680 DEG C,
Putty cake on collecting polar plate 4 is more and more thicker, and now collecting polar plate 4 can not meet dust removal requirement, closes dust pelletizing system, disconnects height
The high innage dust and gas body of temperature and the connection of described electric dust-removing equipment, be passed through another electric dust-removing equipment by high temperature height innage dust and gas body；
(3) being regenerated the collecting polar plate of out-of-work electric dust-removing equipment by regenerating unit, putty cake falls in ash bucket 7 and arranges
Going out, when the collecting polar plate 4 of the electric dust-removing equipment in work can not normally work, high temperature height innage dust and gas body is switched to again again
Electric dust-removing equipment after life works on, the like, it is achieved the periodicity alternation of multiple electric dust-removing equipments and regeneration.
Described regenerating unit is physics regenerating unit, and described physics regenerating unit is for scraping mechanism and beating mechanism, described
Scrape mechanism include being arranged on the first track 21 of electric dust-removing equipment 1 inwall vertical direction and slide on described first track 21
The scraper 3 connected, the blade of described scraper 3 contacts with described collecting polar plate 4 surface；The described mechanism that scrapes also includes being arranged on electricity
The scraper plate 5 being slidably connected on second track 22 of cleaner 1 inwall vertical direction and described second track 22, described scraper plate 5
On through hole is set, the inner periphery of described through hole matches with the excircle of corona discharge electrode rod 6；Described regenerating unit using method is first
Beat after scraping.
Embodiment 5
The electro dust removing method of a kind of high temperature height innage dust and gas body, comprises the following steps:
(1) first and ter platform electric dust-removing equipment, by temperature be 600 DEG C, flow be 20m3/ min, containing tar 3000g/m3, contain
Dust 2000g/m3High temperature height innage dust and gas body be passed through a wherein electric dust-removing equipment, start dust pelletizing system, after dust is charged
Being adsorbed by collecting polar plate, tar separates out in mixed gas, and absorption is on collecting polar plate, and high temperature cleaning gaseous mixture sets from electric precipitation
Standby interior discharge；
(2) along with the carrying out of dedusting, electric dust-removing equipment internal temperature reaches 560 DEG C, and the temperature of inner components reaches 510 DEG C,
Putty cake on collecting polar plate is more and more thicker, and now collecting polar plate can not meet dust removal requirement, closes dust pelletizing system, disconnects high temperature
High innage dust and gas body and the connection of described electric dust-removing equipment, be passed through another electric dust-removing equipment by high temperature height innage dust and gas body；
(3) being regenerated the collecting polar plate of out-of-work electric dust-removing equipment by regenerating unit, putty cake falls in ash bucket and discharges,
When the collecting polar plate of the electric dust-removing equipment in work can not normally work, after high temperature height innage dust and gas body is switched to regeneration again
Electric dust-removing equipment work on, the like, it is achieved the periodicity alternation of multiple electric dust-removing equipments and regeneration.
Described chemical regeneration device is oxygen-containing gas input mechanism, and described oxygen-containing gas is that air is through steam dilution
Becoming, oxygen volume content is 1%.
Embodiment 6
The electro dust removing method of a kind of high temperature height innage dust and gas body, comprises the following steps:
(1) first and ter platform electric dust-removing equipment, by temperature be 250 DEG C, flow be 10m3/ min, containing tar 3000g/m3, contain
Dust 2000g/m3High temperature height innage dust and gas body be passed through a wherein electric dust-removing equipment, start dust pelletizing system, after dust is charged
Being adsorbed by collecting polar plate, tar separates out in mixed gas, and absorption is on collecting polar plate, and high temperature cleaning gaseous mixture sets from electric precipitation
Standby interior discharge；
(2) along with the carrying out of dedusting, electric dust-removing equipment internal temperature reaches 230 DEG C, and the temperature of inner components reaches 230 DEG C,
Putty cake on collecting polar plate is more and more thicker, and now collecting polar plate can not meet dust removal requirement, closes dust pelletizing system, disconnects high temperature
High innage dust and gas body and the connection of described electric dust-removing equipment, be passed through another electric dust-removing equipment by high temperature height innage dust and gas body；
(3) being regenerated the collecting polar plate of out-of-work electric dust-removing equipment by regenerating unit, putty cake falls in ash bucket and discharges,
When the collecting polar plate of the electric dust-removing equipment in work can not normally work, after high temperature height innage dust and gas body is switched to regeneration again
Electric dust-removing equipment work on, the like, it is achieved the periodicity alternation of multiple electric dust-removing equipments and regeneration.
Described chemical regeneration device is oxygen-containing gas input mechanism, and described oxygen-containing gas is that air forms through nitrogen dilution,
Oxygen volume content is 1%.
Embodiment 7
The electro dust removing method of a kind of high temperature height innage dust and gas body, comprises the following steps:
(1) first and ter platform electric dust-removing equipment, by temperature be 700 DEG C, flow be 30m3/ min, containing tar 3000g/m3, contain
Dust 2000g/m3High temperature height innage dust and gas body be passed through wherein two electric dust-removing equipments, start dust pelletizing system, after dust is charged
Being adsorbed by collecting polar plate, tar separates out in mixed gas, and absorption is on collecting polar plate, and high temperature cleaning gaseous mixture sets from electric precipitation
Standby interior discharge；
(2) along with the carrying out of dedusting, electric dust-removing equipment internal temperature reaches 690 DEG C, and the temperature of inner components reaches 650 DEG C,
Putty cake on collecting polar plate is more and more thicker, and now collecting polar plate can not meet dust removal requirement, closes dust pelletizing system, disconnects high temperature
High innage dust and gas body and the connection of described electric dust-removing equipment, be passed through another electric dust-removing equipment by high temperature height innage dust and gas body；
(3) being regenerated the collecting polar plate of out-of-work electric dust-removing equipment by regenerating unit, putty cake falls in ash bucket and discharges,
When the collecting polar plate of the electric dust-removing equipment in work can not normally work, after high temperature height innage dust and gas body is switched to regeneration again
Electric dust-removing equipment work on, the like, it is achieved the periodicity alternation of multiple electric dust-removing equipments and regeneration.
Described chemical regeneration device is oxygen-containing gas input mechanism, and described oxygen-containing gas is that air is dilute through carbon dioxide
Releasing and form, oxygen volume content is 2%.
Embodiment 8
See Fig. 1 and Fig. 2, the electro dust removing method of a kind of high temperature height innage dust and gas body, comprise the following steps:
(1) first and quarter platform electric dust-removing equipment, by temperature be 700 DEG C, flow be 20m3/ min, containing tar 3000g/m3, contain
Dust 2000g/m3High temperature height innage dust and gas body be passed through wherein two electric dust-removing equipments, start dust pelletizing system, after dust is charged
Being adsorbed by collecting polar plate 4, tar separates out in mixed gas, and absorption is on collecting polar plate 4, and high temperature cleaning gaseous mixture is from electric precipitation
Discharge in equipment；
(2) along with the carrying out of dedusting, electric dust-removing equipment internal temperature reaches 660 DEG C, and the temperature of inner components reaches 660 DEG C,
Putty cake on collecting polar plate is more and more thicker, and now collecting polar plate 4 can not meet dust removal requirement, closes dust pelletizing system, disconnects height
The high innage dust and gas body of temperature and the connection of described electric dust-removing equipment, be passed through another electric dust-removing equipment by high temperature height innage dust and gas body；
(3) being regenerated the collecting polar plate 4 of out-of-work electric dust-removing equipment by regenerating unit, putty cake falls in ash bucket 7 and arranges
Going out, when the collecting polar plate 4 of the electric dust-removing equipment in work can not normally work, high temperature height innage dust and gas body is switched to again again
Electric dust-removing equipment after life works on, the like, it is achieved the periodicity alternation of multiple electric dust-removing equipments and regeneration.
Described regenerating unit for scraping mechanism and chemical regeneration device, described in scrape mechanism and include being arranged on electric dust-removing equipment
First track 21 of 1 inwall vertical direction and with the scraper 3 that is slidably connected on described first track 21, the blade of described scraper 3
Contact with described collecting polar plate 4 surface；The described mechanism that scrapes also includes being arranged on the second of electric dust-removing equipment 1 inwall vertical direction
The scraper plate 5 being slidably connected on track 22 and described second track 22, described scraper plate 5 arranges through hole, the inner periphery of described through hole
Match with the excircle of corona discharge electrode rod 6；Described chemical regeneration device is oxygen-containing gas input mechanism, and described oxygen-containing gas is empty
Gas forms through steam dilution, and oxygen volume content is 1%, when regenerating unit uses, first by physics regenerating unit, quickly
Remove the putty of attachment or floating ash, with scraper or scraping blade mechanical ashing, for removing the most thorough and comprehensive tiny piece
Putty, realize removing with chemical regeneration device comprehensively thoroughly.
Embodiment 9
See Fig. 1 and Fig. 2, the electro dust removing method of a kind of high temperature height innage dust and gas body, comprise the following steps:
(1) first and ter platform electric dust-removing equipment, by temperature be 750 DEG C, flow be 15m3/ min, containing tar 3000g/m3, contain
Dust 2000g/m3High temperature height innage dust and gas body be passed through a wherein electric dust-removing equipment, start dust pelletizing system, after dust is charged
Being adsorbed by collecting polar plate 4, tar separates out in mixed gas, and absorption is on collecting polar plate 4, and high temperature cleaning gaseous mixture is from electric precipitation
Discharge in equipment；
(2) along with the carrying out of dedusting, electric dust-removing equipment internal temperature reaches 690 DEG C, and the temperature of inner components reaches 580 DEG C,
Putty cake on collecting polar plate 4 is more and more thicker, and now collecting polar plate 4 can not meet dust removal requirement, closes dust pelletizing system, disconnects height
The high innage dust and gas body of temperature and the connection of described electric dust-removing equipment, be passed through another electric dust-removing equipment by high temperature height innage dust and gas body；
(3) being regenerated the collecting polar plate of out-of-work electric dust-removing equipment by regenerating unit, putty cake falls in ash bucket 7 and arranges
Going out, when the collecting polar plate 4 of the electric dust-removing equipment in work can not normally work, high temperature height innage dust and gas body is switched to again again
Electric dust-removing equipment after life works on, the like, it is achieved the periodicity alternation of multiple electric dust-removing equipments and regeneration.
Described regenerating unit for scraping mechanism and spraying and blowing organ, described in scrape mechanism and include being arranged in electric dust-removing equipment 1
First track 21 of wall vertical direction and with the scraper 3 that is slidably connected on described first track 21, the blade of described scraper 3 and institute
State the contact of collecting polar plate 4 surface；The described mechanism that scrapes also includes being arranged on the second track of electric dust-removing equipment 1 inwall vertical direction
22 and described second track 22 on the scraper plate 5 that is slidably connected, described scraper plate 5 arranges through hole, the inner periphery of described through hole and electricity
The excircle of dizzy extremely rod 6 matches；When regenerating unit uses, use spraying and blowing organ first by after scraping mechanism.
Embodiment 10
See Fig. 1 and Fig. 2, the electro dust removing method of a kind of high temperature height innage dust and gas body, comprise the following steps:
(1) first and quarter platform electric dust-removing equipment, by temperature be 600 DEG C, flow be 30m3/ min, containing tar 3000g/m3, contain
Dust 2000g/m3High temperature height innage dust and gas body be passed through wherein two electric dust-removing equipments, start dust pelletizing system, after dust is charged
Being adsorbed by collecting polar plate 4, tar separates out in mixed gas, and absorption is on collecting polar plate 4, and high temperature cleaning gaseous mixture is from electric precipitation
Discharge in equipment；
(2) along with the carrying out of dedusting, electric dust-removing equipment internal temperature reaches 560 DEG C, and the temperature of inner components reaches 560 DEG C,
Putty cake on collecting polar plate 4 is more and more thicker, and now collecting polar plate 4 can not meet dust removal requirement, closes dust pelletizing system, disconnects height
The high innage dust and gas body of temperature and the connection of described electric dust-removing equipment, be passed through another electric dust-removing equipment by high temperature height innage dust and gas body；
(3) being regenerated the collecting polar plate of out-of-work electric dust-removing equipment by regenerating unit, putty cake falls in ash bucket 7 and arranges
Going out, when the collecting polar plate 4 of the electric dust-removing equipment in work can not normally work, high temperature height innage dust and gas body is switched to again again
Electric dust-removing equipment after life works on, the like, it is achieved the periodicity alternation of multiple electric dust-removing equipments and regeneration.
Described regenerating unit for scraping mechanism and chemical regeneration device, described in scrape mechanism and include being arranged on electric dust-removing equipment
First track 21 of 1 inwall vertical direction and with the scraper 3 that is slidably connected on described first track 21, the blade of described scraper 3
Contact with described collecting polar plate 4 surface；The described mechanism that scrapes also includes being arranged on the second of electric dust-removing equipment 1 inwall vertical direction
The scraper plate 5 being slidably connected on track 22 and described second track 22, described scraper plate 5 arranges through hole, the inner periphery of described through hole
Match with the excircle of corona discharge electrode rod 6；Described chemical regeneration device is oxygen-containing gas input mechanism, and described oxygen-containing gas is empty
Gas forms through steam dilution, and oxygen volume content is 0.1%, when regenerating unit uses, first by physics regenerating unit, soon
Speed removes the putty of attachment or floating ash, with scraper or scraping blade mechanical ashing, the most thorough and comprehensive tiny for removing
The putty of block, realizes the most thoroughly removing with chemical regeneration device.
Comparative example 1
Electro dust removing method of the present invention is similar to Example 8, and something in common does not repeats, somewhat different: be passed through high temperature height oil
First electric dust-removing equipment is preheated before high dust and gas body, make electric dust-removing equipment internal temperature uniformity, reach 660 DEG C, then
It is passed through high temperature height innage dust and gas body again, opens dust pelletizing system.
Comparative example 2
Electro dust removing method of the present invention is similar to Example 8, and something in common does not repeats, somewhat different: high temperature height innage dust and gas
Body flow is 4.5m3/ min, electric dust-removing equipment internal temperature reaches 550 DEG C, when the temperature of inner components reaches 420 DEG C, cuts
Shift to another electric dust-removing equipment.
Application test
The filter method using embodiment of the present invention 1-10 and comparative example 1-2 processes Henan dragon coal-forming high efficiency technical and applies limited public affairs
The high temperature height innage dust and gas body of department, runs one week, the results are shown in Table 1.
Table 1 embodiment of the present invention 1-10 and comparative example 1-2 result
As shown in Table 1, electro dust removing method of the present invention is compared to comparative example's 1-2 dust collection method, embodiment of the present invention 1-10
Directly in electric dust-removing equipment, it is passed through atm number (5-30m3/ min) high temperature height innage dust and gas body, by regenerating unit of the present invention
In time to attached ash parts regeneration, pass through with comparative example 1 through whole cyclic process, tar removing of the present invention and chalk dust removing efficiency
The electric dust-removing equipment treatment effect of preheating is close, but, hence it is evident that it is better than comparative example 2, illustrates that electric dust-removing equipment of the present invention exists
In the case of not preheating, still can high efficiency dedusting oil removing, and embodiment 8 uses and scrapes mechanism and oxygen-containing gas is defeated
Entering mechanism when sharing, described oxygen-containing gas is that air forms, when oxygen volume content is 1%, to tar and powder through steam dilution
The treatment effect of dirt is best.
Finally illustrating, above example is only in order to illustrate technical scheme and unrestricted, and this area is common
Other amendment or equivalents that technical scheme is made by technical staff, without departing from technical solution of the present invention
Spirit and scope, all should contain in the middle of scope of the presently claimed invention.
Claims (10)
1. the electro dust removing method of a high temperature height innage dust and gas body, it is characterised in that comprise the following steps:
(1) n platform electric dust-removing equipment first in parallel, is passed through wherein m platform electric dust-removing equipment, n >=2, m ＜ by high temperature height innage dust and gas body
N, starts dust pelletizing system, is adsorbed by collecting polar plate after dust is charged, and tar separates out in mixed gas, and absorption is at collecting polar plate
On, high temperature cleaning gaseous mixture is discharged in electric dust-removing equipment；
(2) along with the carrying out of dedusting, the temperature in electric dust-removing equipment is gradually consistent with high temperature height innage dust and gas temperature, dust collecting electrode
Putty cake on plate is more and more thicker, when collecting polar plate can not meet dust removal requirement, closes dust pelletizing system, disconnects high temperature height innage dirt
Gas and the connection of described electric dust-removing equipment, be passed through another electric dust-removing equipment by high temperature height innage dust and gas body；
(3) being regenerated the collecting polar plate of out-of-work electric dust-removing equipment by regenerating unit, putty cake falls in ash bucket and discharges,
When the collecting polar plate of the electric dust-removing equipment in work can not normally work, after high temperature height innage dust and gas body is switched to regeneration again
Electric dust-removing equipment work on, the like, it is achieved the periodicity alternation of multiple electric dust-removing equipments and regeneration.
The electro dust removing method of high temperature height innage dust and gas body the most according to claim 1, it is characterised in that described high temperature height oil
High dust and gas temperature is 250-750 DEG C, and flow is 5-30m3/min。
The electro dust removing method of high temperature height innage dust and gas body the most according to claim 1, it is characterised in that described high temperature height oil
High dust and gas body tar content is 100-3000g/m3, it is 100-2000g/m containing Dust Capacity3。
The electro dust removing method of high temperature height innage dust and gas body the most according to claim 1, it is characterised in that described regenerating unit
For physics regenerating unit and/or chemical regeneration device.
The electro dust removing method of high temperature height innage dust and gas body the most according to claim 4, it is characterised in that described physics regenerates
Device be scrape mechanism, beat in mechanism and spraying and blowing organ one or more share.
The electro dust removing method of high temperature height innage dust and gas body the most according to claim 5, it is characterised in that described in scrape mechanism
Including be arranged on electric dust-removing equipment inwall vertical direction the first track and with the scraper that is slidably connected on described first track, institute
The blade stating scraper contacts with described collecting polar plate surface.
The electro dust removing method of high temperature height innage dust and gas body the most according to claim 6, it is characterised in that described in scrape mechanism
Also include the scraper plate being slidably connected on the second track being arranged on electric dust-removing equipment inwall vertical direction and described second track, institute
Stating and arrange through hole on scraper plate, the inner periphery of described through hole matches with the excircle of corona discharge electrode rod.
8. according to the electro dust removing method of the high temperature height innage dust and gas body described in any one of claim 4-7, it is characterised in that described
Chemical regeneration device is oxygen-containing gas input mechanism.
The electro dust removing method of high temperature height innage dust and gas body the most according to claim 8, it is characterised in that described oxygen-containing gas
Forming through the dilution of carbon dioxide, nitrogen or steam for air, oxygen volume content is 0.1-2%.
The electro dust removing method of high temperature height innage dust and gas body the most according to claim 9, it is characterised in that described oxygenous
Body is that air forms through steam dilution.
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Application publication date: 20161221 |