CN107051727A - A kind of electric dust collector with sorting function - Google Patents
A kind of electric dust collector with sorting function Download PDFInfo
- Publication number
- CN107051727A CN107051727A CN201710473109.0A CN201710473109A CN107051727A CN 107051727 A CN107051727 A CN 107051727A CN 201710473109 A CN201710473109 A CN 201710473109A CN 107051727 A CN107051727 A CN 107051727A
- Authority
- CN
- China
- Prior art keywords
- dust
- electrode
- corona
- dust collector
- sorting function
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- B03C3/017—Combinations of electrostatic separation with other processes, not otherwise provided for
-
- 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
- B03C3/02—Plant or installations having external electricity supply
- B03C3/04—Plant or installations having external electricity supply dry type
- B03C3/10—Plant or installations having external electricity supply dry type characterised by presence of electrodes moving during separating action
-
- 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
- B03C3/02—Plant or installations having external electricity supply
- B03C3/04—Plant or installations having external electricity supply dry type
- B03C3/14—Plant or installations having external electricity supply dry type characterised by the additional use of mechanical effects, e.g. gravity
-
- 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
- B03C3/40—Electrode constructions
- B03C3/45—Collecting-electrodes
-
- 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
- B03C3/743—Cleaning the electrodes by using friction, e.g. by brushes or sliding elements
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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
- B03C7/00—Separating solids from solids by electrostatic effect
- B03C7/02—Separators
- B03C7/06—Separators with cylindrical material carriers
Landscapes
- Electrostatic Separation (AREA)
Abstract
The invention discloses a kind of electric dust collector with sorting function, including casing, airflow distribution device, electric field generation device and useless grey collection device；One end of casing is provided with air inlet, and the other end is provided with exhaust outlet；Airflow distribution device is arranged on the inside of the air inlet of casing；Electric field generation device is arranged on airflow distribution device end, and electric field generation device includes some suspension arrangements, some corona electrodes being suspended on suspension arrangement, some anode rollers and some stationary electrodes for being arranged on corona electrode bottom installed in corona electrode both sides；Useless ash collection device is arranged on below anode roller.The advantage of the technical program is：Continuous deashing, will not influence dust-collecting efficiency because of the dust thickness on collecting plate；Non- vibration dust-cleaning, makes dust collecting electrode be impacted from rapping, can protect dust collecting electrode, solves dust collecting electrode deformation, damages and follow-up scale problems.
Description
Technical field
The present invention relates to a kind of dust arrester, especially a kind of electric dust collector with sorting function.
Background technology
Electric cleaner is mainly used in the purification that coal-fired boiler in thermal power plant discharges flue gas, and it can remove in flue gas
Grain flue dust, so that the discharge of flue dust is greatly lowered；This is control air pollution, and the important environmental protection for improving atmosphere quality is set
It is standby, while the flyash received can reclaim the utility open pit mining such as charcoal therein, microballon by the processing in later stage.
1. operation principle：When flue gas is by electric cleaner, because air ionization is produced positive charge by the corona electrode of negative electrode
And negative electrical charge, wherein nearly 99% negative electrical charge is flue dust, due between the positive plate of negatively charged flue dust and positively charged
Adelphotaxy so that the soot dust granule in flue gas is adsorbed on anode, when reaching certain thickness, impacts positive plate, powder
Dirt particle falls under the double action conducted oneself with dignity and vibrated in the ash bucket below electric cleaner structure, reaches dedusting purpose.
2. type：It is divided into by dust collecting electrode type：Tube-type esp, dust extremely pipe, honeycomb duct, multistage oviduct and
Flat tube etc.；Corona polar line is mounted in the center of pipe, and corona discharge electrode is equal with dust die opening (heteropole spacing), electric-field intensity change
More uniform, it has higher field intensity, but deashing is more difficult；Because dusty gas enters in pipe from the lower section of pipe, and up
Motion, therefore it is only applicable to vertical electric precipitator.Elex precipitator, dust collecting electrode is made up of plate electrode by setting aligned transfer,
Fly upward and strengthen pole plate rigidity again to reduce the dust that become trapped in, typically make flute profile, waveform, etc. form；Electric-field intensity becomes
Change not uniform enough；Ash-removal effect is good, and making, installation and Maintenance and Repair are more convenient easily.
The broad form of big-and-middle-sized electric cleaner is Elex precipitator both at home and abroad at present, accounts for the 95% of electric cleaner application
More than, main feature is exactly that discharge electrode and dust collecting electrode are all fixed, and it is to be fixedly mounted in total framework, it is necessary to logical
Crossing rapping makes the dust stratification in dust collecting electrode fall into the ash bucket of lower section, to maintain the normal work of electric field.
3. there is problem：
Using interval vibration dust-cleaning mode, influence of the shaking cycle to efficiency of dust collection is larger, and control difficulty is also larger.Rapping
Excessive cycle, pole plate dust stratification are blocked up, will reduce electric conductivity of the powered dust on pole plate, reduce efficiency of dust collection；Shaking cycle
Too short, dust can be dispersed into flour and fall, and cause larger reentrainment of dust, that is, be deposited on dust on dust collecting pole of electric dust remover again
Secondary to take deduster out of by air-flow, the reentrainment of dust of especially last pole electric field can substantially reduce the efficiency of electric cleaner.
In addition, with the passage of operation hours, mechanical vibrator easily makes dust collecting electrode deformation, damaged, rough surface and hold
Easy dust stratification, the dust stratification of these residuals can increasingly increase fouling, make electrode work deterioration, have a strong impact on dust collection effect,
Also during whole dedusting and gathering dust, wherein useful composition is not separated, but by all powder
Dirt particle is completely mixed together, and is unfavorable for the recycling in later stage.
The content of the invention
It is an object of the invention to provide one kind can continuously non-vibration dust-cleaning mode, can protect dust collecting electrode from rapping influence, no
Easily cause reentrainment of dust, can carry out the carbon ash content of flyash from and the electricity that is conducive to follow-up recycling that there is sorting function
Dust arrester, solves one or more in above-mentioned prior art problem.
In order to solve the above technical problems, the technical scheme is that：A kind of electric dust collector with sorting function, its
Innovative point is：Including
One casing, one end of casing is provided with air inlet, and the other end is provided with exhaust outlet；
One airflow distribution device, airflow distribution device is arranged on the inside of the air inlet of casing；
One electric field generation device, electric field generation device is arranged on airflow distribution device end, if electric field generation device includes
Dry suspension arrangement, some corona electrodes being suspended on suspension arrangement, some anode rollers installed in corona electrode both sides with
And some stationary electrodes for being arranged on corona electrode bottom；
One useless grey collection device, the ash collection device that gives up is arranged on below anode roller.
In some embodiments, airflow distribution device is in the bell mouth shape that bore is gradually reduced from outside to inside, air-flow point
The end of cloth apparatus extends to the corona electrode just to electric field generation device.
In some embodiments, corona electrode include transformer, some series connection and in dentalation electrode and connect
Ground wire.
In some embodiments, the grey collection device that gives up includes what is be arranged far from corona electrode and fitted with anode roller
Hairbrush, the first ash bucket installed in stationary electrode bottom and the second ash bucket being arranged on below hairbrush.
In some embodiments, the first ash bucket and the second hopper bottom are equipped with feed opening and unloading valve.
Dust-contained airflow enters from air inlet, through airflow uniform distribution device, entered by horn mouth air-flow by corona electrode line and
Anode roller composition electric field in, corona electrode by air ionization therein into positive charge and negative electrical charge, most of powder dust particle
Negative electrical charge is taken, due to the sucking action between positive and negative charge so that negatively charged powder dust particle absorption is in anode roller electricity
On extremely, as drum electrode is rotated, electrostatic field of the electrostatic separation between stationary electrode and drum electrode is carried out, and electric conductivity is strong
Carbon granule completes electric discharge and deviates anode roller under electrostatic induction effect, and the first ash bucket is fallen into by self gravitation effect, and conductive
Other weak particles of performance are attracted on drum electrode and rotated always, finally the second ash bucket are fallen under hairbrush brush, so that complete
Separated into the dedusting of flue gas and by carbon granule from the material gathered dust, be easy to following resourceization to utilize, purified gas
From exhaust outlet discharge.
The advantage of the technical program is：Continuous deashing, will not influence effect of gathering dust because of the dust thickness on collecting plate
Rate；
Non- vibration dust-cleaning, makes dust collecting electrode be impacted from rapping, can protect dust collecting electrode, solve dust collecting electrode deformation, damage and
Follow-up scale problems；
Carried out because the collection of carbon granule and other powder dust particles concentrates on deduster bottom substantially, and air-flow is from deduster
Middle and upper part is flowed through, and will not cause reentrainment of dust problem；
Carbon ash content in flyash is realized during gathering dust is from simplifying the preprocessing process of following resource；
Electric cleaner of the present invention is primarily adapted for use in the purification i.e. receipts of flyash of coal-fired boiler in thermal power plant discharge flue gas
Collection and flyash carbon ash content from.
Brief description of the drawings
Fig. 1 is a kind of front view of the electric dust collector with sorting function.
Fig. 2 is a kind of sectional view in the electric dust collector 1-1 directions with sorting function.
Fig. 3 is a kind of structural representation of the corona electrode of the electric dust collector with sorting function.
Fig. 4 is a kind of structural representation of the airflow distribution device of the electric dust collector with sorting function.
Embodiment
With reference to Figure of description, the present invention is described in more detail.
A kind of electric dust collector with sorting function as shown in Figures 1 to 4, including casing 1, airflow distribution device 2,
Electric field generation device and useless grey collection device.
One end of casing 1 is provided with air inlet 11, and the other end is provided with exhaust outlet 12；Airflow distribution device 2 is arranged on casing 1
The inner side of air inlet 11；Electric field generation device is arranged on the end of airflow distribution device 2, and electric field generation device includes some suspension arrangements
31st, some corona electrodes 32 being suspended on suspension arrangement 31, some anode rollers 33 installed in the both sides of corona electrode 32 with
And some stationary electrodes 34 for being arranged on the bottom of corona electrode 32；Useless ash collection device is arranged on the lower section of anode roller 33.
In some embodiments, airflow distribution device 2 is in the bell mouth shape that bore is gradually reduced from outside to inside, air-flow point
The end of cloth apparatus 2 extends to the corona electrode 32 just to electric field generation device.
In some embodiments, corona electrode 32 include transformer, some series connection and in dentalation electrode 321 with
And ground wire 322.
In some embodiments, the grey collection device that gives up includes being arranged far from corona electrode 32 and pasting with anode roller 33
The hairbrush 41 of conjunction, the first ash bucket 42 installed in the bottom of stationary electrode 34 and the second ash bucket 43 for being arranged on the lower section of hairbrush 41.
In some embodiments, the first ash bucket 42 and the bottom of the second ash bucket 43 are equipped with feed opening 45 and unloading valve
44。
Dust-contained airflow enters from air inlet 11, through airflow uniform distribution device, is entered by horn mouth air-flow by corona electrode 32
In the electric field that line and anode roller 33 are constituted, corona electrode 32 by air ionization therein into positive charge and negative electrical charge, it is most of
Negative electrical charge on powder dust particle band, due to the sucking action between positive and negative charge so that negatively charged powder dust particle is adsorbed in sun
On the electrode of pole roller 33, as drum electrode is rotated, electrostatic field of the electrostatic separation between stationary electrode 34 and drum electrode is carried out,
The strong carbon granule of electric conductivity completes electric discharge and deviates anode roller 33 under electrostatic induction effect, and the is fallen into by self gravitation effect
One ash bucket 42, and other weak particles of electric conductivity are attracted on drum electrode and rotated always, finally brush whereabouts by hairbrush 41
Enter the second ash bucket 43, so as to complete the dedusting of flue gas and separate carbon granule from the material gathered dust, be easy to following resource
Change and utilize, purified gas is discharged from exhaust outlet 12.
The advantage of the technical program is：Continuous deashing, will not influence effect of gathering dust because of the dust thickness on collecting plate
Rate；
Non- vibration dust-cleaning, makes dust collecting electrode be impacted from rapping, can protect dust collecting electrode, solve dust collecting electrode deformation, damage and
Follow-up scale problems；
Carried out because the collection of carbon granule and other powder dust particles concentrates on deduster bottom substantially, and air-flow is from deduster
Middle and upper part is flowed through, and will not cause reentrainment of dust problem；
Carbon ash content in flyash is realized during gathering dust is from simplifying the preprocessing process of following resource；
Electric cleaner of the present invention is primarily adapted for use in the purification i.e. receipts of flyash of coal-fired boiler in thermal power plant discharge flue gas
Collection and flyash carbon ash content from.
The scope of the present invention is defined by the appended claims and its equivalents.Described above is only the present invention
Preferred embodiment, it is noted that to those skilled in the art, do not departing from the invention design premise
Under, some similar modification and improvement can also be made, these also should be regarded as within protection scope of the present invention.
Claims (5)
1. a kind of electric dust collector with sorting function, it is characterised in that：Including
One casing (1), one end of the casing (1) is provided with air inlet (11), and the other end is provided with exhaust outlet (12)；
One airflow distribution device (2), the airflow distribution device (2) is arranged on the inside of the air inlet (11) of casing (1)；
One electric field generation device, the electric field generation device is arranged on airflow distribution device (2) end, the electric field generation device
Including some suspension arrangements (31), some corona electrodes (32) being suspended on suspension arrangement (31), it is some be arranged on corona electricity
The anode roller (33) of pole (32) both sides and some stationary electrodes (34) for being arranged on corona electrode (32) bottom；
One useless grey collection device, the useless grey collection device is arranged on below anode roller (33).
2. a kind of electric dust collector with sorting function according to claim 1, it is characterised in that：The air flow method
Device (2) is in the bell mouth shape that bore is gradually reduced from outside to inside, and the end of the airflow distribution device (2) is extended to just to electricity
The corona electrode (32) of field generating means.
3. a kind of electric dust collector with sorting function according to claim 1, it is characterised in that：The corona electrode
(32) include transformer, some series connection and in dentalation electrode (321) and ground wire (322).
4. a kind of electric dust collector with sorting function according to claim 1, it is characterised in that：The useless ash is collected
Device include be arranged far from corona electrode (32) and fitted with anode roller (33) hairbrush (41), installed in stationary electrode (34)
The first ash bucket (42) of bottom and the second ash bucket (43) being arranged on below hairbrush (41).
5. a kind of electric dust collector with sorting function according to claim 4, it is characterised in that：First ash bucket
And the second ash bucket (43) bottom is equipped with feed opening (45) and unloading valve (44) (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710473109.0A CN107051727A (en) | 2017-06-21 | 2017-06-21 | A kind of electric dust collector with sorting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710473109.0A CN107051727A (en) | 2017-06-21 | 2017-06-21 | A kind of electric dust collector with sorting function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107051727A true CN107051727A (en) | 2017-08-18 |
Family
ID=59594812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710473109.0A Pending CN107051727A (en) | 2017-06-21 | 2017-06-21 | A kind of electric dust collector with sorting function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107051727A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108405182A (en) * | 2018-03-09 | 2018-08-17 | 重庆峰创科技有限公司 | A kind of electric automatization multistage cleaner |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86209008U (en) * | 1986-11-13 | 1988-02-24 | 鞍山钢铁公司 | Compound high-voltage electronic-selecting-machine |
| JP2002126577A (en) * | 2000-10-24 | 2002-05-08 | Hitachi Zosen Corp | Combination type selector |
| CN1410166A (en) * | 2001-09-26 | 2003-04-16 | 张全国 | Flyash electrostatic decarbonization method and device |
| CN1654129A (en) * | 2005-02-03 | 2005-08-17 | 上海交通大学 | High tension electrostatic separating apparatus and method for worn-out broken printed circuit board granules |
| CN104174498A (en) * | 2014-08-25 | 2014-12-03 | 上海龙净环保科技工程有限公司 | Uniform distributor for flue gas and uniform distribution method of flue gas |
| CN106475227A (en) * | 2016-11-15 | 2017-03-08 | 曾凤林 | A kind of drum electrostatic separator with dedusting function |
| CN206868433U (en) * | 2017-06-21 | 2018-01-12 | 南通科技职业学院 | A kind of electric dust collector with sorting function |
-
2017
- 2017-06-21 CN CN201710473109.0A patent/CN107051727A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86209008U (en) * | 1986-11-13 | 1988-02-24 | 鞍山钢铁公司 | Compound high-voltage electronic-selecting-machine |
| JP2002126577A (en) * | 2000-10-24 | 2002-05-08 | Hitachi Zosen Corp | Combination type selector |
| CN1392804A (en) * | 2000-10-24 | 2003-01-22 | 日立造船株式会社 | Composite separator |
| CN1410166A (en) * | 2001-09-26 | 2003-04-16 | 张全国 | Flyash electrostatic decarbonization method and device |
| CN1654129A (en) * | 2005-02-03 | 2005-08-17 | 上海交通大学 | High tension electrostatic separating apparatus and method for worn-out broken printed circuit board granules |
| CN104174498A (en) * | 2014-08-25 | 2014-12-03 | 上海龙净环保科技工程有限公司 | Uniform distributor for flue gas and uniform distribution method of flue gas |
| CN106475227A (en) * | 2016-11-15 | 2017-03-08 | 曾凤林 | A kind of drum electrostatic separator with dedusting function |
| CN206868433U (en) * | 2017-06-21 | 2018-01-12 | 南通科技职业学院 | A kind of electric dust collector with sorting function |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108405182A (en) * | 2018-03-09 | 2018-08-17 | 重庆峰创科技有限公司 | A kind of electric automatization multistage cleaner |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170818 |
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| RJ01 | Rejection of invention patent application after publication |