CN106474834A - Energy-conserving and environment-protective axial flow blower group dust arrester - Google Patents
Energy-conserving and environment-protective axial flow blower group dust arrester Download PDFInfo
- Publication number
- CN106474834A CN106474834A CN201610895175.2A CN201610895175A CN106474834A CN 106474834 A CN106474834 A CN 106474834A CN 201610895175 A CN201610895175 A CN 201610895175A CN 106474834 A CN106474834 A CN 106474834A
- Authority
- CN
- China
- Prior art keywords
- axial flow
- flow blower
- casing
- filter bag
- air
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/023—Pockets filters, i.e. multiple bag filters mounted on a common frame
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/44—Auxiliary equipment or operation thereof controlling filtration
- B01D46/46—Auxiliary equipment or operation thereof controlling filtration automatic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/20—Combinations of devices covered by groups B01D45/00 and B01D46/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2267/00—Multiple filter elements specially adapted for separating dispersed particles from gases or vapours
- B01D2267/30—Same type of filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2267/00—Multiple filter elements specially adapted for separating dispersed particles from gases or vapours
- B01D2267/60—Vertical arrangement
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A kind of energy-conserving and environment-protective axial flow blower group dust arrester, blast pipe is installed on wall box and is directly entered casing, box top has plural air outlet, the blower fan that each air outlet is installed is axial flow blower, more than one impeller is installed in axial flow blower rotating shaft, it is incremented by fan pressure and produces high pressure effect, filter bag is installed against corresponding axial flow blower, each filter bag upper end is fixed in casing on band through hole dividing plate, against dirt bucket below filter bag, laying dust box, between dividing plate and air outlet, 1～3 meter of distance is cleaning chamber, each axial flow blower is by rotating forward work, stop, reversion, stop, work is rotated forward again, air draft is circulated in turn, dedusting program work.Rotate forward work air inducing dedusting, Wind Volume reverse gas cleaning dedusting during reversion, substantially reduce filtration resistance, filter bag is made to keep dust thickness for a long time within 0.5 millimeter, reduce power and the auxiliary equipment such as thorough elimination high pressure recoil tube, air accumulator, pulse valve, air compressor that dedusting is consumed, total energy-saving up to 70～80%.
Description
Technical field
The present invention relates to a kind of dust arrester, particularly one kind be widely used in metallurgy, chemical industry, iron and steel, steam power plant, cement,
The energy-conserving and environment-protective axial flow blower group dust arrester that the big power consumers such as coking, chemical fertilizer, glass factory use.
Background technology
With the reinforcement of people's environmental consciousness, it is desirable to air quality is improved, reduce discharge and the mist of atmosphere pollution
Haze weather, be this national environmental protection portion to each pollutant emission unit, worked out discharge standard, also require time limit execute whole
Change.
Blower fan, deduster are all to implement the requisite components and parts of waste treatment project, but traditional dedusting fan mostly be from
Core type blower fan, because energy consumption is big and blower fan effect is low, it is impossible to produce high pressure effect.Therefore the dust stratification on filter bag of dust collector is many, reaches 2
～5 millimeters.Air gets to filter bag after need to first passing through dust gap, considerably increased the resistance of air filtering, and had for reaching
Effect dedusting have to increase fan capacity, so as to cause bigger energy consumption.Conventionally employed pulsed dedusting, also needs air to compress
The auxiliary equipment such as machine, air accumulator, pulse valve, the investment for not only increasing equipment increased energy consumption again, and air compressor
Power is the 8～30% of whole dust removal part general power, so some dust arresters existing much do not reach national standard institute
The dust removing effects of requirement, more do not reach the standard needed for ecocity.
Content of the invention
The technical problem to be solved is：A kind of energy-conserving and environment-protective axial flow blower group dust arrester is provided, extensively should
Install for the big power consumer of every profession and trade, the effect for not only improving blower fan also substantially reduces filtration resistance, good dedusting effect both subtracted
The input for having lacked auxiliary equipment fund greatlys save energy consumption and resource again, reaches the purpose of energy-saving and environmental protection.
The present invention the adopted technical scheme that solves the above problems is：Energy-conserving and environment-protective axial flow blower group dust arrester, including
There are air inlet on blower fan, casing, air outlet, the blast pipe that air inlet is installed is directly entered in casing, also installs in casing
There is filter bag, the box top has plural air outlet, the blower fan that installs in each air outlet is axial flow blower, described
More than one impeller is installed in the rotating shaft of axial flow blower, the filter bag is installed against corresponding axial flow blower, each filter bag upper
End is fixed in casing on the dividing plate with through hole, and against dirt bucket, laying dust box below filter bag, each axial flow blower is by just changing a job
Make, stop, inverting, stop, rotating forward work again, in turn circulation air draft, the program work of dedusting.
Compared with prior art, it is an advantage of the current invention that：Because this dust arrester adopts axial flow blower, and on motor shaft
Two impellers are installed, the effect for making blower fan is 4～6 times of original centrifugal blower, both often degree electricity reached 1200～3000 cubic metres
Dedusting air quantity, in addition the axial fan because employing impeller serial be incremented by its blast and produce high pressure effect, and adopt wind
Machine rotating forward work, stopping, reversion, stop, then rotate forward work circulating air inducing, dedusting working procedure in turn, air inducing dedusting during rotating forward,
During reversion, Wind Volume, reverse gas cleaning dedusting, that is, greatly reduce filtration resistance, makes filter bag keep dust thickness for a long time 0.5
Within millimeter, the power consumed by dedusting is greatly reduced, completely abolishes the equipment of the high-voltage pulse dedusting of original, these pulses
Injection bag dust collector is all that expansion causes impact shock suddenly to make filter bag, makes the dust on filter bag surface with compressed air as power
Defeated and dispersed and come off, fall in following dirt bucket, the gas after filtration is entered in air, but also need high pressure recoil tube and air accumulator and
The auxiliary equipment such as pulse valve, are now not required to this facility, not only reduce the input of equipment funds, also reduce the energy consumption of equipment, save significantly
About resource and energy consumption, because blower fan is worked by cyclic program in turn, it is ensured that automatic cycle dedusting, reach national dedusting discharge-ring
Guarantor's standard, this apparatus structure is simple, easily make processing, and casing is exactly a large cavity for filling filter bag, and blower fan is vertically uniformly pacified
Be mounted on each air outlet outside casing, be easy to the reverse gas cleaning dedusting to filter bag, be easy to not only radiating but also easy-maintaining, adjust, also save
Can, the total energy-saving of this device reaches 70～80%.
Description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the A A sectional view of Fig. 1.
Fig. 3 is the B B sectional view of Fig. 1.
Fig. 4 is enlarged drawing at the C of Fig. 2.
Specific embodiment
Below in conjunction with the accompanying drawings embodiments of the invention are further described.
Casing 2 is a complete large cavity, its simple structure, easily makes processing, more than dividing plate is cleaning room, exhaust
Road, is dirt pocket below dividing plate, and casing is fixed on the ground by each bracing frame 6 of its lower end.
There is uniform eight air outlet casing upper surface, and each air outlet is screwed Fans, in casing 2
On the wall of side, a blast pipe 3 is welded and fixed in the middle of two symmetrical discharge air ports, is passed directly in the big chamber of casing 2, from casing
The dividing plate 21 of through hole is welded and fixed at 1～3 meter of top, filter bag ring 7 is installed at the bulkhead through-hole of each blower fan of correspondence, its
Upper port has flange to be shelved on the through hole of dividing plate, and the sack rope of each filter bag 8, rubber ring 9 are clamped to outside filter bag ring 7
On ring groove on surface, it is easy to exchange and the installation of filter bag, a branch of length of correspondence is 5～8 meters of filter bag 8 under each blower fan,
The corresponding funnel shaped dirt bucket 4 in 8 lower section of filter bag and laying dust box 5, have eight blower fans, eight bundle filter bags, eight dirt as shown in Figure 1
Bucket.
Can be the blower fan of varying number, dirt bucket, laying dust box, filter bag as needed.
Blower fan is connected on the two ends of motor shaft 12 respectively using the axial flow blower 1 of vertical installation, and size, shape are identical
Or a different impeller, i.e. fan casings is provided with about two impellers 11,13 for tubaeform, or casing installs two-phase for cylindrical
With impeller 13, two impellers be incremented by blast blast is bigger, assembling is easy to fan radiating, consumption reduction, noise reduction outside casing 2,
Blower fan is vertical to install air inducing when being easy to just rotate forward each filter bag 8, with Wind Volume blowback dedusting during reversion.
During use, each axial flow blower 1 outside casing 2 is connected with the mains, starts the outside air inducing of rotation work, at the same pass through into
Airduct 3 is sucked containing dust, the gas of contaminant particle, air-flow, when volume is big, the particle of heavy weight under self gravitation effect, not
Disconnected fall into dirt bucket 4, lighter dust dust under fan action is filtered outside filter bag 8, and the air after filtration is entered in air
Reach the purpose of dedusting.
At this moment each axial flow blower 1 can be circulated to all of blower fan on casing under the control of programmable controller in turn
The forward and backward control of formula, after such as the first Fans are rotated forward 30～35 minutes, stops 10～30 seconds, then blowback 10～30 seconds, then stops
Only 10～30 seconds, then rotate forward 30～35 minutes, constantly circulate, be then separated by after 3～4 minutes with respect to the first Fans, second
After blower fan starts and rotates forward 30～35 minutes, stop 10～30 seconds, then blowback 10～30 seconds, then stop 10～30 seconds, then rotate forward 30
～35 minutes, the 3rd Fans were restarted after being spaced 3～4 minutes with respect to the second Fans, go down successively constantly and circulate in turn, reach
To automatic dust removing, and the dust thickness on each filter bag 8 is made to remain within 0.5 millimeter, it is ensured that dust smoothly can be penetrated
Filter bag, greatly reduced the resistance of air filtering, because circulation work is easy to not shut down the dust that can facilitate in laying dust box in turn
Discharge.
Certain enterprise former uses one 800 kilowatts of main air blower, and main dirt pocket is divided into independent six room, shows us
With 6 uniform 18.5 kilowatt, the former main air blower use of totally 111 kilowatts of axial flow blower replacement, also installs at the two ends of fan shaft
Two impellers, produce high pressure effect for increasing blast, and invert back flushing type deashing 30 seconds, and as a result this enterprise was used as long as half a year,
Dust thickness on filter bag is not above 0.5 millimeter of record, because now eliminate air compressor, high pressure anti-blowpipe, air accumulator,
The auxiliary equipment such as pulse valve, contrast the economize on electricity of this device after tested and reach 80%.
This device adopts the dedusting method for installing filter bag in casing, can also be removed using electrostatic precipitation, wet type as needed
The different dedusting method such as dirt.
Claims (4)
1. a kind of energy-conserving and environment-protective axial flow blower group dust arrester, includes air inlet on blower fan, casing (2), air outlet, air intake
The blast pipe (3) that installs at mouthful is directly entered in casing (2), is also equipped with filter bag (8), it is characterised in that described in casing (2)
Casing (2) top surface has plural air outlet, and the blower fan that installs in each air outlet is axial flow blower (1), the axle stream
More than one impeller is installed in the rotating shaft of blower fan (1), filter bag (8) are installed against corresponding axial flow blower (1), each filter bag
(8) upper end is fixed in casing on the dividing plate with through hole (21), against dirt bucket (4), laying dust box (5) below filter bag, described each
Axial flow blower is by rotating forward work, stoppings, reversion, stopping, then rotates forward work and circulate air draft, dedusting program work in turn.
2. energy-conserving and environment-protective axial flow blower group dust arrester according to claim 1, it is characterised in that casing (2) are
Individual complete large cavity, between the dividing plate and air outlet, distance is 1～3 meter, more than dividing plate (21) is cleaning chamber, exhaust duct, every
It is dirt pocket below plate, in the middle of two discharge air ports on the side wall of casing, symmetrical, is welded with blast pipe (3).
3. energy-conserving and environment-protective axial flow blower group dust arrester according to claim 1, it is characterised in that axial flow blower (1)
Vertical installation, is respectively mounted in different size two upper and lower impeller (11,13) installed in tubaeform at the two ends of motor shaft (12)
Casing in or motor shaft (12) two ends equirotal two impellers (13) are installed in cylindrical casing.
4. energy-conserving and environment-protective axial flow blower group dust arrester according to claim 1, it is characterised in that each axial flow blower
(1) rotate forward 30～35 minutes, stop 10～30 seconds, invert 10～30 seconds, stop 10～30 seconds, then rotate forward 30～35 minutes constantly
Circulation, second axial flow blower (1) are restarted after First axial flow blower (1) is spaced 3～4 minutes relatively, the 3rd axle stream wind
Relative second axial flow blower of machine (1) is restarted after being spaced 3～4 minutes, the like start within delayed 3～4 minutes in turn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610895175.2A CN106474834A (en) | 2016-10-13 | 2016-10-13 | Energy-conserving and environment-protective axial flow blower group dust arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610895175.2A CN106474834A (en) | 2016-10-13 | 2016-10-13 | Energy-conserving and environment-protective axial flow blower group dust arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106474834A true CN106474834A (en) | 2017-03-08 |
Family
ID=58269568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610895175.2A Pending CN106474834A (en) | 2016-10-13 | 2016-10-13 | Energy-conserving and environment-protective axial flow blower group dust arrester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106474834A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107638752A (en) * | 2017-11-14 | 2018-01-30 | 合肥合意环保机电装备制造有限公司 | A kind of exhaust dust device with bag with pressure overload protection system |
| CN111813188A (en) * | 2020-06-29 | 2020-10-23 | 山东理工职业学院 | Dustproof heat dissipation machine case |
-
2016
- 2016-10-13 CN CN201610895175.2A patent/CN106474834A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107638752A (en) * | 2017-11-14 | 2018-01-30 | 合肥合意环保机电装备制造有限公司 | A kind of exhaust dust device with bag with pressure overload protection system |
| CN111813188A (en) * | 2020-06-29 | 2020-10-23 | 山东理工职业学院 | Dustproof heat dissipation machine case |
| CN111813188B (en) * | 2020-06-29 | 2023-05-23 | 山东理工职业学院 | Dustproof heat dissipation machine case |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170308 |