CN208694594U - A kind of electric-bag complex dust collector of high-efficiency low-resistance - Google Patents
A kind of electric-bag complex dust collector of high-efficiency low-resistance Download PDFInfo
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- CN208694594U CN208694594U CN201821366784.XU CN201821366784U CN208694594U CN 208694594 U CN208694594 U CN 208694594U CN 201821366784 U CN201821366784 U CN 201821366784U CN 208694594 U CN208694594 U CN 208694594U
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Abstract
The utility model discloses a kind of electric-bag complex dust collectors of high-efficiency low-resistance, device is beaten including shell, import horn box, exhaust outlet, ash bucket, electric field arrangement, Filter bag device, air-purifying chamber and electric and magnetic oscillation, the left side of the shell is connected to import horn box, and the bottom of the shell is connected to multiple ash buckets；The enclosure interior is disposed with electric field arrangement and two column Filter bag devices from left to right；The Filter bag device includes filter bag and card；It is provided with air-purifying chamber above the card, pulse spraying equipment is installed, the pulse spraying equipment includes fumarole and high speed nozzle in the air-purifying chamber；The air-purifying chamber is set to housing tip, and the part downside that the air-purifying chamber extends to shell is provided with exhaust outlet.The deduster of the utility model is purged dust using series connection electric field arrangement and two Filter bag devices, substantially increases the clearance rate of dust, while dust enters from side, needs not move through complicated channel, structure is simple, substantially increases efficiency of dust collection.
Description
Technical field
The utility model relates to thermal power plant's dedusting technology fields, specifically design a kind of electric bag composite dedusting of high-efficiency low-resistance
Device.
Background technique
In face of increasingly serious atmosphere polluting problem, State Ministry of Environmental Protection is more and more tighter to coal-burning boiler dust emission standard
Lattice are provided according to " fossil-fuel power plant atmospheric pollutant emission standard " GB13223-2011: from July 1st, 2014, existing firepower hair
Power plant's soot emissions limitation improves 30mg/Nm3 from original 50mg/Nm3, and some areas are increased to 20mg/N3, even lower.
Electrostatic precipitator originally is no longer satisfied current discharge standard, although pure bag filter is largely able to satisfy this row
Put standard, but there is also resistances it is big, operation pressure is big, life of bag filter is short, power consumption is big, fluctuation of service the deficiencies of because
Element.
It provides and a kind of is combined into electric precipitation and bag-type dusting application No. is the utility model of ZL200820071600.7
Electrical dust collector device, is set to the bottom of exhaust dust device with bag, flue gas is passed through from bottom, is successively carried out by the dust-extraction unit of one
Electric precipitation and bag-type dusting, but due to the influence of gravity, flue gas is from the bottom up, it is desirable to provide bigger power, Er Qie electricity
The bottom of field device can adsorb a large amount of dust, and gradually up, the dust of absorption is fewer for electric field arrangement, electric field dress unfavorable in this way
It sets while playing a role, leverage efficiency of dust collection, increase energy consumption；It is few that it is passed through exhaust gas volumn every time simultaneously, and is shaking
When dynamic deashing, even if having cloth bag is anti-to slip through the net, filter bag and the anti-dust slipped through the net of cloth bag can be fallen on electrical dust collector device, cause secondary raise
Dirt needs to carry out final dusting, and high energy consumption and efficiency is very low, and effect is also poor.
The invention of application number ZL201410072155.6 provides pre electrified sack cleaner, mainly by pre- lotus, improves
The filter effect of bag type filtering bag, rather than pass through electric precipitation, although dust discharge amount can be reduced in this way, filter bag
Limited filtering capacity, the discharge amount of dust still can not drop to certain degree, and increase the pressure of filter bag significantly in this way,
It needs frequently to clear up filter bag, efficiency is relatively low, also than being relatively inaccessible to the emission request in thermal power plant.
Utility model content
In view of the shortcomings of the prior art, the utility model provides a kind of electric-bag complex dust collector of high-efficiency low-resistance, solve existing
There is the problems such as poor deduster effect of thermoelectricity station-service, low efficiency.
Technical problem to be solved in the utility model is realized using following technical scheme:
A kind of electric-bag complex dust collector of high-efficiency low-resistance, including shell, import horn box, exhaust outlet, ash bucket, electric field dress
Set, Filter bag device, air-purifying chamber and electric and magnetic oscillation beat device, the left side of the shell is connected to import horn box, the shell
Bottom is connected to multiple ash buckets；The enclosure interior is disposed with electric field arrangement and two column Filter bag devices from left to right, described
Electric field arrangement includes cathode line, dust-catching board, fixed plate and vibrating arm, and the fixed plate is horizontally mounted inside housings, the yin
Polar curve and dust-catching board are vertically installed in fixed plate, vertically-mounted in the fixed plate to have vibrating arm, the vibrating arm and electromagnetism
Device connection is played in vibration, and the electric and magnetic oscillation is beaten device and is mounted on outside housing tip；The Filter bag device includes filter bag and card,
The filter bag is mounted on card；Air-purifying chamber is provided with above the card, the air-purifying chamber extends on the downside of the part of shell
It is provided with exhaust outlet, pulse spraying equipment is installed in the air-purifying chamber, the pulse spraying equipment includes fumarole and high speed
Nozzle, the fumarole connect high speed nozzle, the corresponding filter bag of each high speed nozzle.
As a kind of optimization of the utility model, the quantity of the ash bucket is 3.
As a kind of optimization of the utility model, maintenance stair are provided with outside the shell.
As a kind of optimization of the utility model, inspection platform is provided with outside the housing tip.
As a kind of optimization of the utility model, gas distribution plate is provided in the import horn box.
As a kind of optimization of the utility model, it is set as prickle wire in the cathode line, design in this way can make electric field
Corona current distribution uniform on intensity distribution, that is, dust-catching board, to delay the generation of inverse corona；Increase dust-catching board simultaneously
Effective corona zone can eliminate corona dead zone, improve efficiency of dust collection.
As a kind of optimization of the utility model, the Filter bag device further includes being used for filter bag under filtering and deashing state
The bag cage of certain form is kept, the bag cage covers on filter bag outer surface, guarantees that the vertical of bag cage and protection filter pocket mouths are being blown
When safety.
A kind of electric-bag complex dust collector of high-efficiency low-resistance provided by the utility model, has the advantages that
(1) a kind of electric-bag complex dust collector of high-efficiency low-resistance provided by the utility model only remains an electric field arrangement,
Relatively existing deduster eliminates the lower rear class electric field arrangement of efficiency (such as two, three-level electric field), instead efficient
Exhaust dust device with bag, due to using series system, flue gas is first directly over electric precipitation from side using bag-type dusting, in this way may be used
To eliminate the dust of 80-90%, dust removing effects are substantially increased, while can choose higher filtration velocity, required filter bag
Quantity is few, compact-sized, and occupied area is reduced, while in thermal power plant's dust removal field, and exhaust dust device with bag is filled with respect to electric precipitation
It sets, effect is more, also lower in power consumption.
(2) a kind of electric-bag complex dust collector of high-efficiency low-resistance provided by the utility model due to dust under electric field action band
There are like charges, the dust layer of filter bag outer surface attachment is relatively shallow loose, and the gas permeability of filtering is very good, at this time the powder of filter bag
Dirt load substantially reduces, drag reduction, and cleaning cycle extends, while deashing is more easy, thus equipment fortune can be effectively reduced
Row resistance saves equipment operating cost, also saves the expense of plant maintenance.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the utility model electric field arrangement.
Appended drawing reference: 1, shell；2, import horn box；3, exhaust outlet；4, ash bucket；5, electric field arrangement；6, filter bag；7, net gas
Room；8, electric and magnetic oscillation beats device；9, cathode line；10, dust-catching board；11, fixed plate；12, vibrating arm；13, high speed nozzle.
Specific embodiment
In the following, being described further in conjunction with attached drawing and specific embodiment to the utility model:
As shown in Figure 1 and Figure 2, a kind of electric-bag complex dust collector of high-efficiency low-resistance, including shell 1, import horn box 2,
Exhaust outlet 3, ash bucket 4, electric field arrangement 5, Filter bag device, air-purifying chamber 7 and electric and magnetic oscillation beat device 8, the left side of the shell 1 with into
Mouth horn box 2 is connected to, and the bottom of the shell 1 is connected to multiple ash buckets 4；It is disposed with from left to right inside the shell 1
Electric field arrangement 5 and two column Filter bag devices, the electric field arrangement 5 include cathode line 9, dust-catching board 10, fixed plate 11 and vibrating arm 12,
The fixed plate 11 is horizontally arranged inside shell 1, and the cathode line 9 and dust-catching board 10 are vertically installed in fixed plate 11, institute
State it is vertically-mounted in fixed plate 11 have vibrating arm 12, the vibrating arm 12 is beaten device 8 with electric and magnetic oscillation and is connect, the electric and magnetic oscillation
Device 8 is beaten to be mounted on outside 1 top of shell；The Filter bag device includes filter bag 6 and card, and the filter bag 6 is mounted on card；Institute
It states and is provided with air-purifying chamber 7 above card, the air-purifying chamber 7 is located at 1 top of shell, and the air-purifying chamber 7 extends to the part of shell 1
Downside is provided with exhaust outlet 3, and pulse spraying equipment is equipped in the air-purifying chamber 7, and the pulse spraying equipment includes fumarole
With high speed nozzle 13, the fumarole connects high speed nozzle 13, the corresponding filter bag 6 of each high speed nozzle 13.
As a kind of optimization of the utility model, the quantity of the ash bucket 4 is 3.
As a kind of optimization of the utility model, maintenance stair are provided with outside the shell 1.
As a kind of optimization of the utility model, inspection platform is provided with outside 1 top of shell.
As a kind of optimization of the utility model, gas distribution plate is provided in the import horn box 2.
As a kind of optimization of the utility model, it is set as prickle wire in the cathode line 9, design in this way can make electric field
Corona current distribution uniform on intensity distribution, that is, dust-catching board 10, to delay the generation of inverse corona；Increase dust-catching board simultaneously
10 effective corona zone can eliminate corona dead zone, improve efficiency of dust collection.
As a kind of optimization of the utility model, the Filter bag device further includes for filter bag 6 in filtering and deashing state
The lower bag cage for keeping certain form, the bag cage cover on 6 outer surface of filter bag, guarantee that 6 mouthfuls of the vertical of bag cage and protection filter bag exist
Safety when blowing.
The use principle of the utility model: flue gas enters the import horn box 2 of electric bag compound type dust remover, import through sky
Horn box 2 is internally provided with airflow uniform distribution plate, and flue gas enters electric field arrangement 5 after the distribution of airflow uniform distribution plate, sets in electric field arrangement 5
It is equipped with cathode line 9 and dust-catching board 10, by cathode line 9 to the charged of dust, most of dust with negative electrical charge is in electric field
It is attached under effect on dust-catching board 10, when ash accumulation is to certain thickness, by 1 top electromagnetic shaking device of shell to suction
Dirt plate 10 carries out vibration dust-cleaning, and the dust being gathered on dust-catching board 10 is just shaken off among ash bucket 4.By electric field arrangement 5
Flue gas, which carries, not to be entered in 6 warehouse of filter bag by the dust that electric field traps, and flue gas completes further filtering through filter bag 6,
Dust is blocked in the outer surface of filter bag 6, and filtered clean gas enters in net air compartment, and the net indoor pure air of wind is logical
It crosses exhaust outlet and is discharged into outdoor.With the continuity of deduster filtration, the dust on 6 surface of filter bag of dust collector will be got deeper,
The rising of dust remover resistance is directly resulted in, the pressure difference of inlet and outlet is also increasing, when pressure difference reaches setting value, pulse jet dress
Setting may turn on, and carry out regularly deashing to the dust on 6 surface of filter bag.The dust on 6 surface of filter bag falls into ash bucket 4 after deashing
In.
A kind of electric-bag complex dust collector of high-efficiency low-resistance provided by the utility model, has the advantages that
(1) a kind of electric-bag complex dust collector of high-efficiency low-resistance provided by the utility model only remains an electric field dedusting dress
It sets, relatively existing deduster, eliminates the lower rear class electric field of efficiency (such as two, three-level electric field), instead is efficient
Exhaust dust device with bag, due to using series system, flue gas is first directly over electric precipitation from side using bag-type dusting, in this way may be used
To eliminate the dust of 80-90%, dust removing effects are substantially increased, while can choose higher filtration velocity, required filter bag 6
Quantity is few, compact-sized, and occupied area is reduced, while in thermal power plant's dust removal field, and exhaust dust device with bag is filled with respect to electric precipitation
It sets, effect is more, also lower in power consumption.
(2) a kind of electric-bag complex dust collector of high-efficiency low-resistance provided by the utility model due to dust under electric field action band
There are a like charges, the dust layer of 6 outer surface of filter bag attachment is relatively shallow loose, the gas permeability of filtering is very good, at this time filter bag 6
Dust load substantially reduces, drag reduction, and cleaning cycle extends, while deashing is more easy, thus equipment can be effectively reduced
Running resistance saves equipment operating cost, also saves the expense of plant maintenance.
It will be apparent to those skilled in the art that can technical solution as described above, and design makes various other
Corresponding change and deformation, and all these changes and deformation all should belong to the protection of the utility model claims
Within the scope of.
Claims (7)
1. a kind of electric-bag complex dust collector of high-efficiency low-resistance, it is characterised in that: including shell, import horn box, exhaust outlet, ash
Bucket, electric field arrangement, Filter bag device, air-purifying chamber and electric and magnetic oscillation beat device, and the left side of the shell is connected to import horn box, institute
The bottom for stating shell is connected to multiple ash buckets；The enclosure interior is disposed with electric field arrangement and two column filter bags dress from left to right
It sets, the electric field arrangement includes cathode line, dust-catching board, fixed plate and vibrating arm, and the fixed plate is horizontally mounted inside housings,
The cathode line and dust-catching board are vertically installed in fixed plate, vertically-mounted in the fixed plate to have vibrating arm, the vibrating arm
It beats device with electric and magnetic oscillation to connect, the electric and magnetic oscillation is beaten device and is mounted on outside housing tip；The Filter bag device includes filter bag
And card, the filter bag are mounted on card；It is provided with air-purifying chamber above the card, the air-purifying chamber extends to the portion of shell
It is provided with exhaust outlet on the downside of point, pulse spraying equipment is installed, the pulse spraying equipment includes fumarole in the air-purifying chamber
And high speed nozzle, the fumarole connect high speed nozzle, the corresponding filter bag of each high speed nozzle.
2. the electric-bag complex dust collector of high-efficiency low-resistance according to claim 1, it is characterised in that: the quantity of the ash bucket is
3.
3. the electric-bag complex dust collector of high-efficiency low-resistance according to claim 1, it is characterised in that: be provided with outside the shell
Overhaul stair.
4. the electric-bag complex dust collector of high-efficiency low-resistance according to claim 1, it is characterised in that: the housing tip peripheral hardware
It is equipped with inspection platform.
5. the electric-bag complex dust collector of high-efficiency low-resistance according to claim 1, it is characterised in that: in the import horn box
It is provided with gas distribution plate.
6. the electric-bag complex dust collector of high-efficiency low-resistance according to claim 1, it is characterised in that: be arranged in the cathode line
For prickle wire.
7. the electric-bag complex dust collector of high-efficiency low-resistance according to claim 1, it is characterised in that: the Filter bag device is also wrapped
The bag cage for keeping certain form under filtering and deashing state for filter bag is included, the bag cage covers on filter bag outer surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821366784.XU CN208694594U (en) | 2018-08-23 | 2018-08-23 | A kind of electric-bag complex dust collector of high-efficiency low-resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821366784.XU CN208694594U (en) | 2018-08-23 | 2018-08-23 | A kind of electric-bag complex dust collector of high-efficiency low-resistance |
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| Publication Number | Publication Date |
|---|---|
| CN208694594U true CN208694594U (en) | 2019-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821366784.XU Active CN208694594U (en) | 2018-08-23 | 2018-08-23 | A kind of electric-bag complex dust collector of high-efficiency low-resistance |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110772989A (en) * | 2019-12-04 | 2020-02-11 | 中建材环保研究院（江苏）有限公司 | High-temperature ultra-clean dedusting and denitration integrated equipment |
-
2018
- 2018-08-23 CN CN201821366784.XU patent/CN208694594U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110772989A (en) * | 2019-12-04 | 2020-02-11 | 中建材环保研究院（江苏）有限公司 | High-temperature ultra-clean dedusting and denitration integrated equipment |
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