CN107684978A - A kind of circulating frictional static dust arrester - Google Patents
A kind of circulating frictional static dust arrester Download PDFInfo
- Publication number
- CN107684978A CN107684978A CN201710949277.2A CN201710949277A CN107684978A CN 107684978 A CN107684978 A CN 107684978A CN 201710949277 A CN201710949277 A CN 201710949277A CN 107684978 A CN107684978 A CN 107684978A
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- Prior art keywords
- electrostatic precipitation
- pipeline
- spdt
- throw switch
- mouth
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- 239000000428 dust Substances 0.000 title claims abstract description 25
- 230000003068 static effect Effects 0.000 title claims abstract description 12
- 238000005367 electrostatic precipitation Methods 0.000 claims abstract description 42
- 239000011521 glass Substances 0.000 claims description 8
- 239000005030 aluminium foil Substances 0.000 claims description 6
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 229910052731 fluorine Inorganic materials 0.000 claims description 3
- 239000011737 fluorine Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 1
- 229910052782 aluminium Inorganic materials 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 3
- 239000012717 electrostatic precipitator Substances 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 230000005684 electric field Effects 0.000 abstract description 2
- 239000013618 particulate matter Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000009881 electrostatic interaction Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000008246 gaseous mixture Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
Classifications
-
- 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
- B03C3/28—Plant or installations without electricity supply, e.g. using electrets
- B03C3/30—Plant or installations without electricity supply, e.g. using electrets in which electrostatic charge is generated by passage of the gases, i.e. tribo-electricity
-
- 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
- B03C3/36—Controlling flow of gases or vapour
- B03C3/368—Controlling flow of gases or vapour by other than static mechanical means, e.g. internal ventilator or recycler
Abstract
A kind of circulating frictional static dust arrester is made up of the first electrostatic precipitation room, the second electrostatic precipitation room, friction electric machine, centrifugal blower, the first single-pole double-throw switch (SPDT) and second single-pole double-throw switch (SPDT) etc..The present invention improves triboelectrification efficiency by the friction electric machine of particular design and the collaboration triboelectrification of draught fan impeller；By control valve, the ratio of the gentle body treating capacity of the circulating air scale of construction can be controlled, so as to adjust the residence time of dusty gas in a device, has adjusted electric strength, so as to the efficiency of dust collection of control device；Continuously running for device ensure that by the parallel connection of two electrostatic precipitator；Electrified compared to electric field, energy consumption is relatively low.
Description
Technical field
The present invention relates to dedusting field, more particularly to a kind of circulating frictional static dust arrester.
Background technology
In recent years, developing rapidly with economy, metallurgical steel-smelting electric furnace and the boiler using raw coal as fuel increase a lot, this
The atmosphere pollution of a little stove discharges causes very big harm to surrounding environment, so removing particulate matter from dusty gas to reduce
The pollution of Atmospheric particulates turns into current technical problem urgently to be resolved hurrily.
The trapping of particulate matter in gas, dust removal with machine, electrostatic precipitation, dust removal by filtration and cleaning dust can be divided into by mechanism
Deng.Wherein electrostatic precipitator technology has following advantage：（1）Efficiency of dust collection is high；（2）It can purify compared with atm number；（3）It can remove
The particle diameter wider range gone；（4）Can the higher ash-laden gas of purification temperature；（5）Simple in construction, air velocity is low, pressure damage
Lose small；（6）Energy expenditure is lower than other types deduster；（7）Electric cleaner can realize microcomputer control, remote-controlled operation.It is quiet
It is most crucial step to allow gas particles thing powered during electric precipitation, and generally use high-voltage DC power supply, which produces highfield, makes gas
Body particulate matter is charged, although compared to other dedusting methods, energy consumption is less, and equipment investment is larger, and maintenance cost is high.Gas
Another charged method of grain thing is exactly triboelectrification.Make the powered phenomenon of two different objects with the method for friction, cry
Triboelectrification（Or after two kinds of different object phase mutual friction, a kind of object positively charged, another electronegative phenomenon of object）, its
Essence is the transfer of electric charge.Triboelectrification has the advantages of small investment, maintenance cost is low, but there is also electrification low intensity not
Foot.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of circulating frictional static for the above-mentioned state of the art
Dust arrester.Technical scheme is a kind of circulating frictional static dust arrester used by the present invention solves above-mentioned technical problem,
Including：First electrostatic precipitation room 1, the second electrostatic precipitation room 9, friction electric machine 3, centrifugal blower 4, the first single-pole double-throw switch (SPDT) 2
With the second single-pole double-throw switch (SPDT) 10；Characterized in that, the first electrostatic precipitation room 1 is by cylinder and to be arranged on cylinder upper and lower
The conical head at end is surrounded and formed, and is provided with air outlet in the side of the cylinder, the conical head of the upper end be provided with into
Air port, the conical head of the lower end are connected by one section of steel pipe with a dust storage chamber；The second electrostatic precipitation room 9 and first
The structure of electrostatic precipitation room 1 is identical；The friction electric machine 3 is the glass tube that one section of inner surface is corrugated high borosilicate material
3-1, the glass tube 3-1 outer surface are enclosed with one layer of aluminium foil 3-2；Air inlet is provided with the centrifugal blower 4 and is gone out
Air port, the impeller 4-1 and impeller axle 4-2 of the centrifugal blower 4 scribble the fluorine coating of a strata four, electricity are fixed with the impeller axle
Brush 4-3；The single-pole double-throw switch (SPDT) 10 of first single-pole double-throw switch (SPDT) 2 and second is identical, is typical single-pole double-throw switch (SPDT), is provided with
The not moved end of one moved end and two, described two not moved ends are respectively designated as the first not moved end and the second not moved end；
The air outlet of the centrifugal blower 4 is connected by the first pipeline with one end of the friction electric machine 3；The triboelectrification
The other end of device 3 connects with first mouth of the first threeway；Second mouth of first threeway passes through the second pipeline and first
The air inlet connection of electrostatic precipitation room 1；The air outlet of the first electrostatic precipitation room 1 pass through the 3rd pipeline and four-way first
Mouth connection, the second air-valve 6 is provided with the 3rd pipeline；3rd mouth of first threeway passes through the 4th pipeline and institute
State the air inlet connection of the second electrostatic precipitation room 9；The air outlet of the second electrostatic precipitation room 9 passes through the 5th pipeline and described four
Logical second mouth connection, the 4th air-valve 8 is provided with the 5th pipeline；3rd mouth of the four-way passes through the 6th pipe
Road is connected with first mouth of the second threeway, and the first air-valve 5 is provided with the 6th pipeline；The second of second threeway
Individual mouth is connected by the 7th pipeline with the air inlet of the centrifugal blower 4, and the 3rd mouth and the air inlet pipe of second threeway connect
It is logical；4th mouth of the four-way is connected with blast pipe, and the 3rd air-valve 7 is provided with the blast pipe；
The aluminium foil 3-2 of the friction electric machine 3 by the first wire and the first single-pole double-throw switch (SPDT) 2 first not moved end be connected,
By the second wire and the second single-pole double-throw switch (SPDT) 10 first not moved end be connected；Brush 4-3 on the axle of the centrifugal blower 4
It is connected with first wire by privates, is connected by privates with second wire；First hilted broadsword is double
Moved end is not connected the second of throw switch 2 by the 5th wired earth, moved end by the surface of the 6th wire and the first electrostatic precipitation room 1
Connect；Moved end does not pass through the 8th wire and second to the second of second single-pole double-throw switch (SPDT) 10 by the 7th wired earth, moved end
The surface connection of electrostatic precipitation room 9.
Compared with prior art, the advantage of the invention is that：1. the friction electric machine and draught fan impeller that pass through particular design
Collaboration triboelectrification, improve triboelectrification efficiency；2. by control valve, can control at the gentle body of the circulating air scale of construction
The ratio of reason amount, so as to adjust the residence time of dusty gas in a device, electric strength is adjusted, so as to the dedusting of control device
Efficiency；3. continuously running for device ensure that by the parallel connection of two electrostatic precipitator；4th, compared to electric field electrify, energy consumption compared with
It is low.
Brief description of the drawings
Fig. 1 is a kind of schematic flow sheet of circulating frictional static dust arrester of the present invention.
Fig. 2 is the structural representation of the friction electric machine of the present invention.
Fig. 3 is the structural representation of the centrifugal blower of the present invention.
Fig. 4 is a kind of schematic flow sheet of the working condition one of circulating frictional static dust arrester of the present invention
Fig. 5 is a kind of schematic flow sheet of the working condition two of circulating frictional static dust arrester of the present invention
Wherein：1 is the first electrostatic precipitation room, and 2 be the first single-pole double-throw switch (SPDT), and 3 be friction electric machine, and 4 be centrifugal blower, and 5 are
First air-valve, 6 be the second air-valve, and 7 be the 3rd air-valve, and 8 be the 4th air-valve, and 9 be the second electrostatic precipitation room, and 10 be that the second hilted broadsword is double
Throw switch, 3-1 are glass tube, and 3-2 is aluminium foil, and 4-1 is impeller, and 4-2 is impeller axle, and 4-3 is brush.
Embodiment
Below in conjunction with accompanying drawing 1, accompanying drawing 2, accompanying drawing 3, accompanying drawing 4, accompanying drawing 5, the present invention is made by embodiment further detailed
Description.
A kind of circulating frictional static dust arrester is by the first electrostatic precipitation room 1, the second electrostatic precipitation room 9, triboelectrification
Device 3, centrifugal blower 4, the first single-pole double-throw switch (SPDT) 2 and the second single-pole double-throw switch (SPDT) 10 form.First electrostatic precipitation room 1 is by justifying
Cylinder is surrounded with the conical head for being arranged on cylinder upper and lower end and formed, and the side of cylinder is provided with air outlet, the conical head of upper end
Air inlet is provided with, the conical head of lower end is connected by one section of steel pipe with a dust storage chamber；Second electrostatic precipitation room 9 and first
The structure of electrostatic precipitation room 1 is identical；Friction electric machine 3 is the glass tube 3-1 that one section of inner surface is corrugated high borosilicate material,
Glass tube 3-1 outer surface is enclosed with one layer of aluminium foil 3-2；Air inlet and air outlet, centrifugal blower are provided with centrifugal blower 4
4 impeller 4-1 and impeller axle 4-2 scribbles the fluorine coating of a strata four, and brush 4-3 is fixed with impeller axle 4-2；First single-pole double throw
The single-pole double-throw switch (SPDT) 10 of switch 2 and second is identical, is typical single-pole double-throw switch (SPDT), provided with the not moved end of a moved end and two,
Two not moved end be respectively designated as the first not moved end and the second not moved end；
The air outlet of centrifugal blower 4 is connected by the first pipeline with one end of the friction electric machine 3；Friction electric machine 3 it is another
One end connects with first mouth of the first threeway；Second mouth of the first threeway passes through the second pipeline and the first electrostatic precipitation room 1
Air inlet connection；The air outlet of first electrostatic precipitation room 1 is connected by the 3rd pipeline with first mouth of four-way, in the 3rd pipe
The second air-valve 6 is provided with road；3rd mouth of the first threeway passes through the 4th pipeline and the air intake of the second electrostatic precipitation room 9
Mouth connection；The air outlet of second electrostatic precipitation room 9 is connected by the 5th pipeline with second mouth of four-way, is set on the 5th pipeline
It is equipped with the 4th air-valve 8；3rd mouth of four-way is connected by the 6th pipeline with first mouth of the second threeway, on the 6th pipeline
It is provided with the first air-valve 5；Second mouth of the second threeway is connected by the 7th pipeline with the air inlet of the centrifugal blower 4, the
3rd mouth of two threeways connects with air inlet pipe；4th mouth of four-way is connected with blast pipe, and the 3rd is provided with blast pipe
Air-valve 7；
The aluminium foil 3-2 of friction electric machine 3 by the first wire and the first single-pole double-throw switch (SPDT) 2 first not moved end be connected, pass through
Moved end is not connected the first of second wire and the second single-pole double-throw switch (SPDT) 10；Brush 4-3 on the axle of centrifugal blower 4 passes through the 3rd
Wire is connected with the first wire, is connected by privates with the second wire；Moved end does not lead to the second of first single-pole double-throw switch (SPDT) 2
The 5th wired earth is crossed, moved end is connected by the 6th wire with the surface of the first electrostatic precipitation room 1；Second single-pole double-throw switch (SPDT) 10
Second not moved end be connected by the 7th wired earth, moved end by the 8th wire with the surface of the second electrostatic precipitation room 9.
A kind of course of work of circulating frictional static dust arrester of the present invention is as follows：
Close the 4th air-valve 8 and the 3rd air-valve 7, open the first air-valve 5 and the second air-valve 6, the knife of the first single-pole double-throw switch (SPDT) 2 with
First not moved end connect, the knife of the second single-pole double-throw switch (SPDT) 10 with second not moved end be connected, unlatching centrifugal blower, slowly open the
Three air-valves 7, by adjusting the aperture of the first air-valve 5 and the 3rd air-valve 7, the air quantity of air inlet pipe can be adjusted and followed from the 6th pipeline
Ring and come purified gas, so as to adjust recycle ratio and residence time, now a certain amount of dusty gas from air inlet pipe enter and with
The circulating air come from the 6th pipeline is mixed to get dust-laden gaseous mixture, and dust-laden blender enters centrifugal blower 4 and receives impeller 4-1
High-speed friction effect make particulate matter electrify to obtain partial state of charge dust-laden particle, opposite electric charge is imported by wire privates
First wire, friction electric machine 3 is entered after partial state of charge dust-laden particle and is rubbed starting point with glass tube 3-1, is obtained completely charged
Particle, opposite electric charge import the wall of the first electrostatic precipitation room 1 by the first wire；Complete electrically charged particle enters the first electrostatic
Dirt pocket 1 is attracted and adsorbed on the inside wall of the first electrostatic precipitation room 1 by the opposite charges of its wall, so as to be dedusting,
Gas is purified, purified gas is circulated by entering four-way, a part after the 3rd pipeline by the 6th pipeline, and another part passes through row
Tracheae is discharged.Now the flow direction of gas is working condition one, as shown in Figure 4.
With the progress of dust removal process, the particulate matter absorption on the inside wall of the first electrostatic precipitation room is more and more, quiet
Electro Sorb ability declines, and dust removing effects die down, and now switches over operation and device dedirt.
Close the second air-valve 6, open the 4th air-valve 8, the knife of the first single-pole double-throw switch (SPDT) 2 with second not moved end be connected, the
The knife of two single-pole double-throw switch (SPDT)s 10 with first not moved end be connected, now, the first electrostatic precipitation room 1 is grounded, eliminate electrostatic, adsorb
The particulate matter of inwall drops, into dust storage chamber, now the flow direction of gas is working condition one after another without electrostatic interaction
Two, as shown in Figure 5.
With the progress of dust removal process, the particulate matter absorption on the inside wall of the first electrostatic precipitation room 9 is more and more, quiet
Electro Sorb ability declines, and dust removing effects die down, and now switches over operation and device dedirt.
Circulating said process can continuous dedusting.
Claims (1)
1. a kind of circulating frictional static dust arrester, including the first electrostatic precipitation room, the second electrostatic precipitation room, triboelectrification
Device, centrifugal blower, the first single-pole double-throw switch (SPDT) and the second single-pole double-throw switch (SPDT)；Characterized in that,
The first electrostatic precipitation room is to be surrounded to form with the conical head for being arranged on cylinder upper and lower end by cylinder, in the circle
The side of cylinder is provided with air outlet, and the conical head of the upper end is provided with air inlet, and the conical head of the lower end passes through one
Duan Gangguan connects with a dust storage chamber；The second electrostatic precipitation room is identical with the structure of the first electrostatic precipitation room；The friction
Electrifier is the glass tube that one section of inner surface is corrugated high borosilicate material, and the outer surface of the glass tube is enclosed with one layer of aluminium
Paper tinsel；Air inlet and air outlet are provided with the centrifugal blower, the impeller and impeller axle of the centrifugal blower scribble a strata
Four fluorine coatings, brush is fixed with the impeller axle；First single-pole double-throw switch (SPDT) and the second single-pole double-throw switch (SPDT) are identical, are
Typical single-pole double-throw switch (SPDT), provided with the not moved end of a moved end and two, it is motionless that described two not moved ends are respectively designated as first
End and the second not moved end；
The air outlet of the centrifugal blower is connected by the first pipeline with one end of the friction electric machine；The friction electric machine
The other end connected with first mouth of the first threeway；Second mouth of first threeway passes through the second pipeline and the first electrostatic
The air inlet connection of dirt pocket；The air outlet of the first electrostatic precipitation room is connected by first mouth of the 3rd pipeline and four-way
It is logical, it is provided with the second air-valve on the 3rd pipeline；3rd mouth of first threeway passes through the 4th pipeline and described the
The air inlet connection of two electrostatic precipitation rooms；The air outlet of the second electrostatic precipitation room pass through the 5th pipeline and the four-way the
Two mouth connections, the 4th air-valve is provided with the 5th pipeline；3rd mouth of the four-way passes through the 6th pipeline and
First mouth connection of two threeways, the first air-valve is provided with the 6th pipeline；Second mouth of second threeway leads to
Cross the 7th pipeline to connect with the air inlet of the centrifugal blower, the 3rd mouth of second threeway connects with air inlet pipe；It is described
4th mouth of four-way is connected with blast pipe, and the 3rd air-valve is provided with the blast pipe；
The aluminium foil of the friction electric machine by the first wire and the first single-pole double-throw switch (SPDT) first not moved end be connected, pass through
Moved end is not connected the first of two wires and the second single-pole double-throw switch (SPDT)；Brush on the axle of the centrifugal blower passes through privates
It is connected with first wire, is connected by privates with second wire；The second of first single-pole double-throw switch (SPDT)
Moved end is not connected by the 5th wired earth, moved end by the 6th wire with the surface of the first electrostatic precipitation room；Described second is single
Moved end does not pass through the 8th wire and the surface of the second electrostatic precipitation room to the second of double-pole double throw switch by the 7th wired earth, moved end
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710949277.2A CN107684978A (en) | 2017-10-12 | 2017-10-12 | A kind of circulating frictional static dust arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710949277.2A CN107684978A (en) | 2017-10-12 | 2017-10-12 | A kind of circulating frictional static dust arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107684978A true CN107684978A (en) | 2018-02-13 |
Family
ID=61154538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710949277.2A Pending CN107684978A (en) | 2017-10-12 | 2017-10-12 | A kind of circulating frictional static dust arrester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107684978A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111632762A (en) * | 2020-06-09 | 2020-09-08 | 毛嘉豪 | Use method of electrostatic dust removal device for construction site |
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