CN104492179A - Direct exhaust dust collection method - Google Patents
Direct exhaust dust collection method Download PDFInfo
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- CN104492179A CN104492179A CN201410782662.9A CN201410782662A CN104492179A CN 104492179 A CN104492179 A CN 104492179A CN 201410782662 A CN201410782662 A CN 201410782662A CN 104492179 A CN104492179 A CN 104492179A
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- 239000000428 dust Substances 0.000 title claims abstract description 181
- 238000000034 method Methods 0.000 title abstract description 6
- 239000012716 precipitator Substances 0.000 claims description 38
- 238000007789 sealing Methods 0.000 claims description 20
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 239000007789 gas Substances 0.000 description 24
- 238000004134 energy conservation Methods 0.000 description 9
- 238000005192 partition Methods 0.000 description 8
- 239000000843 powder Substances 0.000 description 7
- 238000001914 filtration Methods 0.000 description 6
- 239000003500 flue dust Substances 0.000 description 6
- 239000004568 cement Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
The invention discloses a direct exhaust dust collection method, belonging to a method for collecting dust in the field of dust. The method aims to solve the problems that multiple small-power centrifugal fans are used for replacing one large-power centrifugal fan of an existing large pulse dust remover and the total power of the multiple small-power centrifugal fans is less than the power of the large-power centrifugal fan. According to the technical scheme adopted by the invention, an air return preventing centrifugal fan with an air closing plate (11), designed for direct exhaust dust collection, is directly arranged on a dust collector to directly suck air of an upper air chamber of the dust collector and directly discharge the air out of the dust collector, so that the purpose of energy-saving and dust-removing production is achieved.
Description
Technical field: the in line wind of the present invention gathers dust and provides a kind of dust field for the method for gathering dust and the equipment gathered dust thereof.
Background technology: the cement production system of the dust collection device that the cement grinding in present dust field is used gather dust and grind tail dust collecting system used be plenum pulse cloth bag collector.Dust-precipitator is all to be communicated with dust-precipitator by a high-power blower to carry out work of gathering dust, dust-precipitator to be gathered dust the large dust collecting system that air chamber forms by multiple separated pulse packet, each pulsating collection air chamber shares the air inlet duct that is entered dust wind, and each pulse packet air chamber wind after filtering that gathers dust that gathers dust enters again the high-power blower in a shared exhaust passage and discharges.The gather dust structure of air chamber of each pulse packet is that the air chamber internal upper part that gathers dust is separated into upper chamber and lower chamber by the porous partition panel the hanging dust collection filter bag air chamber that will gather dust, it is the cover plate changing filter bag above upper chamber, the lift valve cylinder controlling upper chamber and communicate with exhaust passage is also had above upper chamber, the lift valve cylinder lift valve controlled in upper chamber leaves and closes being communicated with of upper chamber and exhaust passage, pulse valve is also had above upper chamber, the air inlet of pulse valve is communicated with high-pressure gas box, the gas outlet of pulse valve is in upper chamber, pulse valve controls gases at high pressure and enters in a pulsed fashion in upper chamber and carry out to the dust collection filter bag of hanging on partition panel the dust that high-pressure pulse back-blowing adsorbs to remove dust collection filter bag outward.Lower chamber top has air inlet to be communicated with the air inlet duct entering dust wind, dust wind enters lower chamber by air inlet makes adsorbing powder dust outside dust collection filter bag through dust collection filter bag, lower chamber bottom is the flue-dust retainer of taper, and the dust that taper flue-dust retainer collection dust collection filter bag falls down is seen off by sending grey equipment.Dust collecting system produces during power is produced by milling equipment by a high-power large blower fan dust produced enters dust collecting system with the wind air inlet duct by ventilation duct when gathering dust work, under dust wind in air inlet duct enters pulsating collection by the air inlet of each pulsating collection air chamber, gas stops up, the dust-filtering of entrained with is adsorbed on outside dust collection filter bag through after dust collection filter bag by the dust wind of lower chamber, and the exhaust passage that the air outlet through lift valve place after the wind having filtered dust through dust collection filter bag enters upper chamber enters dust collecting system enters large blower fan again and discharges through exhaust passage.Adsorbing powder dust outside the dust collection filter bag of a pulsating collection air chamber is communicated with to the exhaust passage sending by the control system of dust collecting system the air outlet and dust collecting system that lift valve that instruction controls this pulsating collection air chamber cuts out this pulsating collection upper chamber time a certain amount of, close after between upper chamber and lower chamber without the power that large blower fan produces, wind is not had to pass through dust collection filter bag, at this moment the pulse valve of control system to this pulsating collection air chamber of dust collecting system sends instruction, pulse valve is opened, high pressure gas in high-pressure gas box enters this pulsating collection air chamber upper chamber by pulse valve carries out high-tension pulse to the dust collection filter bag of hanging on partition panel and blows, allow dust collection filter bag produce vibration and filter with high pressure blowback removing from inside to outside the dust be adsorbed on outside dust collection filter bag, the dust fallen down from dust collection filter bag fall collected by the flue-dust retainer of lower chamber after by sending grey equipment to see off.After this pulsating collection air chamber completes high-voltage pulse ash disposal, pulse valve closedown high-pressure gas box is communicated with upper chamber, then the air outlet that this pulse air chamber is communicated with the exhaust passage of dust collecting system opened again by lift valve, enters upper chamber and enter exhaust passage through air outlet again and carry out circulating dust-removing work after allowing the dust wind of lower chamber carry out dust-filtering absorption by dust collection filter bag again.The wind that production system is gathered dust is made up of the wind of each pulsating collection air chamber, when controlling the size of air quantity in production, the power gathered dust due to system is a large blower fan, the size that can only control the air inlet valve aperture of large blower fan regulates with the aperture size of the air inlet being attached thereto the powder concentrator in logical raw system, the air inlet of the air inlet valve of large blower fan and powder concentrator can only be turned down in producing when the air quantity of production system is excessive and reduce air quantity, and the energy-conservation mode of power that can not reduce large blower fan reduces air quantity, this just causes the power consumption of idle work formula, be unfavorable for production energy-saving.Have the system large blower fan one that gathers dust bad again, whole production system must stop production, and what a Fans controlled that dust collecting system is unfavorable for producing normally carrying out.
Present cement grinding is produced and is sent the composition of the Small Centrifugal Fan used in grey skewed slot to have steelframe, motor, centrifugal fan casing, centrifugal blower page is taken turns, the motor of centrifugal blower and the casing of centrifugal blower are fixed on steelframe, the page wheel of centrifugal blower in centrifugal fan casing directly on motor shaft, tubaeform air inlet on centrifugal fan casing does not have valve, entering of the air-flow of air inlet can not be closed, also the volume damper having the control air force not with sealing outside tubaeform air inlet is had, the high-voltage pulse air-flow that this volume damper can not intercept pulse dust removal enters centrifugal blower, discharge through centrifugal blower.There is gap the motor shaft intersection of centrifugal fan casing and rotation, and air pressure during work in fan casing is higher than the air pressure outside casing, and the air-flow of fan casing inner high voltage can flow out outward from gap location, reduces work air quantity and the blast of blower fan, unfavorable energy-conservation.The tubaeform air inlet at the air intake place of blower fan and the blower fan page of rotation take turns intersection gap, air pressure during work in fan casing is higher than the air pressure of tubaeform air inlet, constantly reflux and enter tubaeform air inlet in the gap that the air-flow of fan casing inner high voltage can be taken turns by the blower fan page of tubaeform air inlet and rotation in casing, enter blower fan page wheel again, so also can reduce work air quantity and the blast of blower fan, unfavorable energy-conservation.The air inlet that two adjacent fan page sheets of centrifugal blower page wheel now used and fan page sheet fold is in the inner circle that page is taken turns, the air outlet that two adjacent fan page sheets and fan page sheet fold is in the outer circumferential edge of impeller, which forms the page wheel fan page structure that air inlet is more young than air-out, when the work of centrifugal blower page wheel rotates, air-flow is under the effect of page wheel centrifugal force, in the air flow direction page wheel of air inlet.At air outlet place because air outlet is larger than air inlet, the air pressure at air outlet place is larger than import department again, the fan page sheet High Rotation Speed of page wheel, gas Xi Bu district is formed after air outlet fan page sheet, the air-flow of page wheel air inlet sheet can not fill this region, fail to be convened for lack of a quorum in convolution refluence form advance wheel through the centrifugal high pressure gas thrown away of page wheel, high pressure draught swirling flow is formed after the fan page at air outlet place, the air-flow hindering page wheel middle part, under the influence of centrifugal force to the centrifugal flow at page wheel air outlet place, reduces the operating efficiency of centrifugal blower.The air outlet of present centrifugal blower to be opened in the casing outer circumferential edge of centrifugal blower and is only had one, by such centrifugal blower as the forced draft fans gathered dust, owing to only having an air outlet, casing is to the constraint of high pressure draught, high pressure draught in casing can not be flowed out smoothly, be unfavorable for that centrifugal collection blower fan is by smooth for the gas in dust-precipitator sucking-off, and increase the power consumption of centrifugal blower, be unfavorable for energy-conservation.
Summary of the invention: each pulse packet that the object of the invention is to propose a kind of dust-precipitator gather dust air chamber be by a Fans control this pulse packet gather dust wind that the work of gathering dust of air chamber and blower fan discharge after gathering dust in line go out the in line wind of dust-precipitator gather dust, blower fan used to gather dust the anti-air-return centrifugal blower of ad hoc meter in line wind, dust-precipitator anti-air-return centrifugal blower general power used is less than the power of a used large blower fan, to reach the object of energy-conservation and normal production.
The technical scheme that the in line wind of the present invention gathers dust is the exhaust passage of cancelling a high-power large blower fan and pulse bag dust collector on used pulse bag dust collector, on each pulse packet of pulse bag dust collector gathers dust air chamber, settle a small-power anti-air-return centrifugal blower, each pulse packet of dust-precipitator air chamber small-power anti-air-return centrifugal blower general power used of gathering dust is less than the power of a large blower fan of cancellation.In line wind dust-precipitator of the present invention to be communicated with each pulse packet to be gathered dust the air inlet duct that air chamber shares by multiple pulse packet air chamber that gathers dust with one, the gather dust air inlet of lower chamber of air chamber of each pulse packet is communicated with air inlet duct, the partition panel hanging dust collection filter bag of upper lower chamber, upper chamber is directly communicated with the air intake cylinder air inlet (19) of the little anti-air-return blower fan of above it, pulse valve is had on the outer top of upper chamber, pulse valve gas outlet is connected with upper chamber, and pulse valve air inlet is communicated with high-pressure gas box.
The present invention is the power that gathers dust by allowing a Fans control a pulse dust removal air chamber of in line wind dust-precipitator, and in line wind dust-precipitator air force is that the blower fan of switch sections pulse dust removal air chamber carrys out the work of gathering dust of control impuls dedusting air chamber to reach the object of energy-conservation generation.Technical scheme of the present invention designs the anti-air-return blower fan that makes new advances to reach and realize in line wind and gather dust, for the in line wind of the present invention gathers dust and the anti-air-return centrifugal fan structure of ad hoc meter is anti-air-return centrifugal blower top is motor (1), being the upper casing (2) of the blower fan sector wheel be directly connected with motor casing under motor, is tilting air-out sheet (5) entirely under the periphery of upper casing (2); Fan outlet (21) between air-out sheet (5) and air-out sheet (5), material is thus formed fan casing periphery is fan outlet (21) entirely, be conducive to the centrifugal wind thrown away of blower fan sector wheel (12) not carry the baby and successfully enter air, be conducive to energy-conservation.It is the connecting plate (3) of lower casing (4) under air-out sheet (5), air-out sheet (5) and connecting plate (3) and upper casing (2) are welding as one, lower casing (4) is connected with connecting plate (3) by screw, in upper casing (2) and lower casing (4) be directly on sector wheel (12) on motor shaft, there is the anti-air-return fan page sheet (18) be connected with fan page sheet (13) outer end sector wheel (12) neighboring, the front end of anti-air-return fan page sheet (18) is connected outer end below with the fan page sheet (13) of sector wheel (12), both sides are connected with sector wheel (12), rear end forms the air outlet (17) of sector wheel (12) with rear a slice fan page sheet (13) of the fan page sheet (13) be connected, anti-air-return fan page sheet (18) reduces the air outlet (17) of sector wheel (12), after effectively preventing sector wheel in fan casing (12) high pressure draught return air outward to screw in the fan page sheet (13) at sector wheel (12) air outlet (17) place, before fan page sheet (13), centrifugal pressure effect is produced to the air-flow entering sector wheel during blower fan work, air-flow againsts outwards centrifugal before fan page sheet (13) throwing away, anti-air-return fan page sheet (18) is resistance throwing away when air-flow smoothly not, anti-air-return fan page sheet (18) can improve the operating efficiency of blower fan, favourable energy-conservation, the air inlet (20) at sector wheel (12) middle part has the air inlet circle (14) of sector wheel (12), air inlet circle (14) periphery has air inlet circle sealing ring (16) to seal, air inlet circle sealing ring (16) is fixed on lower casing (4) by sealing ring pressing plate (15), movable sealing is carried out to air inlet circle (14), air inlet circle sealing ring (16) can hinder when the space of the high pressure draught in fan casing from fan casing and draught fan impeller intersection is flowed out, return air is produced from the air inlet newly passing back into blower fan, blower fan is caused to repeat power consumption acting to the return air passing back into air inlet, the movable sealing resistance high pressure draught of having worked as fan casing in of air inlet circle sealing ring (16) to air inlet circle (14) enters impeller air inlet (20) from the space return air of fan casing and draught fan impeller intersection, be conducive to improving the operating efficiency of blower fan and energy-conservation.The air intake cylinder (6) of anti-air-return blower fan is connected with under lower casing (4), one is had to be connected in air intake cylinder (6) in air intake cylinder (6) and cylinder (9) in the middle of air intake cylinder, the motion bar (10) of cylinder (9) stretches out air intake cylinder (6) and be connected with one and hold one's breath plate (11) outward, plate (11) of holding one's breath is larger than the air intake cylinder sealing ring (8) of air intake cylinder (6) lower end, the air intake cylinder air inlet (19) closing air intake cylinder (6) can be covered, when cylinder motion bar (10) pushes plate of holding one's breath (11) open, the air intake cylinder (6) of anti-air-return blower fan can air intake, when cylinder motion bar (10) pulls plate of holding one's breath (11) to close air intake cylinder air inlet (19), anti-air-return blower fan air intake cylinder (6) can not be in closed condition by air intake, can prevent high pressure gas from pouring to go out through fan outlet (21) from the air intake cylinder air inlet (19) of the air intake cylinder (6) of anti-air-return blower fan and allow pulse dust removal air chamber decompression when pulse dust removal air chamber high pressure gas pulse dust removal, high pressure gas pulse dust removal is allowed normally to carry out, also air intake cylinder (6) direct directly the connection with the upper chamber of pulse dust collector just achieving anti-air-return blower fan carries out straight exhausting-dusting.
The present invention to be gathered dust air chamber with the pulse packet that anti-air-return centrifugal blower controls dust-precipitator, and dust-precipitator has several pulse packet that gathers dust to gather dust this dust-precipitator of air chamber just with several anti-air-return centrifugal blowers.The air intake cylinder (6) of anti-air-return centrifugal blower directly the gather dust upper chamber of air chamber of the pulse packet corresponding with dust-precipitator is communicated with, and the gas aspirated in dust-precipitator directly enters air through fan outlet (21).The work of gathering dust that the direct wind of the present invention gathers dust prevents back that centrifugal wind blower fan work produces power and aspirates by the airduct be connected with in line wind dust-precipitator air inlet duct the dust wind that dust that production system produces formed by the multiple stage in line wind dust-precipitator, dust wind enters the air inlet duct of in line wind dust-precipitator by airduct, the gather dust air inlet of lower chamber of air chamber of air inlet duct and each pulse packet of in line wind dust-precipitator is communicated with, dust wind enters pulse packet by air inlet and to gather dust lower chamber, through dust during dust collection filter bag, the dust wind entering lower chamber is being stopped that adsorption filtration is outside dust collection filter bag, wind after dust collection filter bag dedusting enters in dust collection filter bag also to rise and enters upper chamber, the wind entering upper chamber enters page wheel air inlet (20) of anti-air-return centrifugal blower again through air intake cylinder (6), centrifugal action again through anti-air-return blower fan sector wheel (12) directly enters air by the fan outlet (21) of anti-air-return blower fan.The adsorbing powder dust gathered dust outside the dust collection filter bag of air chamber when this pulse packet sends instruction by the controller of in line wind dust-precipitator to the gather dust plate cylinder (9) of holding one's breath of anti-air-return centrifugal blower of air chamber of this pulse packet to time a certain amount of, cylinder (9) promotes the air intake cylinder air inlet (19) that anti-air-return blower fan closed by plate (11) of holding one's breath, block this pulse packet to gather dust the air current flow of air chamber, then controller gathers dust to this pulse packet and air chamber is attached thereto logical pulse valve sends instruction, pulse valve is opened, high pressure gas in high-pressure gas box enters this pulse packet by pulse valve and to gather dust the upper chamber of air chamber, to the high-voltage pulse that filter bag carries out from inside to outside, shake the dust be adsorbed on stripping outside dust collection filter bag, the ash-collecting cone hopper that the dust come off falls into lower chamber is seen off by powder feeding equipment, after pulse dust removal, the controller of in line wind dust-precipitator allows pulse valve cut out again, pulse valve allows the cylinder of anti-air-return blower fan (9) open plate of holding one's breath (11) after cutting out again, the wind of upper chamber enters again anti-air-return blower fan and carries out absorption dedusting work again.
The in line wind of the present invention gathers dust compared with present pulse packet dedusting, its advantage is that each pulse dust removal air chamber of in line wind dust-precipitator uses independent anti-air-return centrifugal blower and multiple stage anti-air-return centrifugal blower general power used is less than the power of a used large blower fan, the anti-air-return blower fan of the large I switch sections pulse dust removal air chamber of dust-precipitator air quantity reduces power consumption and carries out Energy Saving Control, and present dust-precipitator can not carry out such part anti-air-return centrifugal blower of closing down with a large blower fan and reduces power consumption and carry out Energy Saving Control; A present pulse dust removal dust-precipitator large blower fan carries out the dedusting work of dust-precipitator, once large blower fan one is bad, whole production system just cannot be produced, and the in line wind of the present invention gathers dust and overcomes this weakness, the anti-air-return centrifugal blower of one or two pulse dust removal air chamber of in line wind dust-precipitator has been broken, other dedusting air chamber still can normally work, and whole production system still can normally be produced.
For the in line wind of the present invention gathers dust and the anti-air-return centrifugal blower of ad hoc meter its advantage compared with present centrifugal blower is that connecting the fan outlet (21) formed between the tilting air-out sheet (5) of upper and lower enclosure and air-out sheet (5) allows anti-air-return centrifugal fan casing periphery be fan outlet (21) entirely, do not stop by casing through the centrifugal wind thrown away of anti-air-return centrifugal blower page wheel, in line enter air, such exhaust mode is conducive to energy-saving operation, and the air draft of present centrifugal blower only has an exhaust outlet, stop and the constraint that the wind thrown away is subject to fan casing is taken turns through blower fan page, blower fan can not be discharged smoothly, be unfavorable for energy-saving operation.The front end of the anti-air-return fan page sheet (18) of anti-air-return centrifugal blower of the present invention is connected with the outer end below of sector wheel fan page sheet (13), both sides are connected with sector wheel (12), rear end forms sector wheel air outlet (17) with the fan page sheet (13) of the rear a slice of the fan page sheet (13) be connected, such structure can stop that throwing away through the rotation of centrifugal page wheel the high-pressure blast return air entering casing enters after fan page sheet (13) outer end because rotating the low-pressure air current district produced, return air can be prevented, so the anti-air-return fan page sheet (18) of anti-air-return centrifugal blower of the present invention is conducive to the operating efficiency and the energy-saving operation that improve centrifugal blower, and the air inlet of the impeller of present centrifugal blower is more young than air-out, lower than the air pressure in casing time after the Impeller fan blade at air outlet place at rotary work, such return air can not be prevented.Air inlet circle (14) periphery of anti-air-return centrifugal blower of the present invention has air inlet circle sealing ring (16) to carry out movable sealing to it, can prevent from flowing out through the space of fan casing and draught fan impeller air inlet intersection through the centrifugal centrifugal high pressure air-flow thrown away of draught fan impeller in fan casing, page wheel air inlet (20) generation entering blower fan from new return air repeats power consumption acting, and present centrifugal blower is taken turns air inlet intersection at fan casing and page and is not had dynamic seal, can not prevent the high pressure draught in fan casing from flowing out from the space that fan casing and page take turns air inlet intersection and produce return air, so the movable sealing of air inlet sealing ring (16) to air inlet circle (14) of anti-air-return centrifugal blower of the present invention is conducive to the operating efficiency and the energy-saving operation that improve blower fan.
The plate of holding one's breath (11) of anti-air-return centrifugal blower of the present invention is after cylinder motion bar (10) is pushed open, the air intake cylinder air inlet (19) of air intake cylinder (6) can air inlet, anti-air-return blower fan is allowed to carry out dust suction work, air intake cylinder air inlet (19) the rear defence return air fan pulling plate of holding one's breath (11) to close air intake cylinder (6) at cylinder motion bar (10) can not carry out dust suction work, now pulse valve is opened, high pressure gas paired pulses dirt pocket in high-pressure gas box carries out high-voltage pulse dedusting, high pressure gas can not be scattered and disappeared from the air intake cylinder air inlet (19) of the air intake cylinder (6) of closing, do not affect normal pulse dust removal, the plate and present air inlet of centrifugal fan is not held one's breath, in line wind can not be directly used in gather dust, so anti-air-return centrifugal blower of the present invention can be directly installed on pulse dust collector carry out in line wind dedusting.
Accompanying drawing illustrates:
Fig. 1: anti-air-return centrifugal fan structure schematic diagram.
Fig. 2: the fan outlet structural representation of anti-air-return centrifugal blower.
Fig. 3: the anti-air-return fan page plate shape structural representation of anti-air-return centrifugal blower.
Fig. 4: the air inlet circle sealed structural representation of anti-air-return centrifugal blower.
Detailed description of the invention: describe embodiments of the invention in detail below in conjunction with accompanying drawing
With reference to figure 1, Fig. 2, Fig. 3, Fig. 4.
The device systems composition that the in line wind of the present invention gathers dust has the airduct being communicated with and needing cleaner and in line wind dust-precipitator air inlet duct, in line wind dust-precipitator, in line wind dust-precipitator has ten pulse dust removal air chambers, pulse dust removal air chamber composition is the lower flue-dust retainer for taper, it flue-dust retainer is lower chamber, lower chamber has the air inlet be communicated with air inlet duct, it lower chamber is partition panel, in line wind dust-precipitator is separated into upper chamber and lower chamber by partition panel, partition panel has the hole of hanging dust collection filter bag, dust collection filter bag hanging is on compartment plate hole, dust collection filter bag body is hung in lower chamber, it partition panel is upper chamber, it upper chamber is upper chamber cover plate, upper chamber cover plate has the air outlet be connected with anti-air-return centrifugal blower air intake cylinder (6), high-pressure gas box and pulse valve is had outside upper chamber, pulse valve one is communicated with high-pressure gas box, other end is communicated with upper chamber, in line wind dust-precipitator there are control impuls threshold switch and anti-air-return blower fan cylinder (9) step switch to hold one's breath the control system of plate (11).Ten pulse dust removal air chambers become five rows, become two rows arranged side by side, an air inlet duct is had in the middle of two row's pulse dust removal air chambers, air inlet duct is directly communicated with the air inlet of the very lower chamber of pulse dust removal air chamber respectively, each pulse dust removal air chamber has the anti-air-return centrifugal blower of four kilowatts respectively, it anti-air-return centrifugal blower is motor (1), it is the upper casing (2) of the blower fan sector wheel be directly connected with motor case under motor (1), tilting air-out sheet (5) entirely under upper casing (2) neighboring, fan outlet (21) between air-out sheet (5) and air-out sheet (5), material is thus formed fan casing periphery is fan outlet (21) entirely, it is the connecting plate (3) of lower casing (4) under air-out sheet (5), air-out sheet (5) and connecting plate (3) and upper casing (2) are welding as one, lower casing (4) is connected with connecting plate (3) by screw.In upper casing (2) and lower casing (4) be directly on sector wheel (12) on motor shaft, there is the anti-air-return fan page sheet (18) be connected with fan page sheet (13) outer end sector wheel (12) neighboring, the front end of anti-air-return fan page sheet (18) is connected outer end below with the fan page sheet (13) of sector wheel (12), both sides are connected with sector wheel (12), and rear end forms the sector wheel air outlet (17) of sector wheel (12) with rear a slice fan page sheet (13) of the fan page sheet (13) be connected.The air inlet circle (14) of sector wheel is had outside page wheel air inlet (20) in the middle part of sector wheel, air inlet circle (14) periphery has air inlet circle sealing ring (16) to seal, air inlet circle sealing ring (16) is fixed on lower casing (4) by sealing ring pressing plate (15), carries out movable sealing to air inlet circle (14).The air intake cylinder (6) of anti-air-return blower fan is connected under lower casing (4), one is had to be connected in air intake cylinder in air intake cylinder (6) and cylinder (9) in the middle of air intake cylinder, cylinder motion bar (10) stretches out air intake cylinder (6) and be connected with one and hold one's breath plate (11) outward, plate (11) of holding one's breath is larger than the air intake cylinder sealing ring (8) of air intake cylinder (6) lower end, the air intake cylinder air inlet (19) closing air intake cylinder (6) can be covered, when cylinder motion bar (10) pushes plate of holding one's breath (11) open, air intake cylinder air inlet (19) is opened, cylinder motion bar (10) pulls plate of holding one's breath (11) can close air intake cylinder air inlet (19), the air intake cylinder (6) of anti-air-return blower fan is directly communicated with the air outlet of upper chamber by sending out blue (7), the plate of holding one's breath (11) of anti-air-return blower fan enters in upper chamber when stretching out, when retracting, lid closes air intake cylinder air inlet (19), closedown upper chamber is communicated with air intake cylinder (6).Whole in line wind dust-precipitator shares the anti-air-return centrifugal blower of ten four kilowatts.
The in line wind process of gathering dust that the in line wind of the present invention gathers dust is that the dust that production equipment produces forms dust wind by ten anti-air-return blower fans generation wind-force, dust wind sends the air inlet duct of in line wind dust-precipitator to by airduct, the air inlet entering the dust air channel extra pulse dedusting lower chamber of air inlet duct enters each lower chamber, dust wind enters upper chamber through dust collection filter bag after entering lower chamber by air inlet again, when through dust collection filter bag, the dust that dust wind is carried secretly is filtered and is adsorbed on outside dust collection filter bag, the wind of dust enters upper chamber through filter bag after filtration, enter the wind of upper chamber after dedusting is entered anti-air-return blower fan air intake cylinder (6) by the air outlet on upper chamber cover plate, the wind entering air intake cylinder (6) enters the blower fan sector wheel (12) of anti-air-return centrifugal blower again through the page of blower fan sector wheel (12) wheel air inlet (20), the wind entering blower fan sector wheel (12) throws away to fan (12) page wheel periphery under the acceleration of blower fan sector wheel centrifugal force, the high pressure draught of blower fan sector wheel (12) periphery can not enter after page wheel fan page sheet (13) outer end by return air under the block resistance of anti-air-return hinge (18), the high pressure draught of blower fan sector wheel (12) periphery is subject to air inlet circle sealing ring (16) and air inlet circle (14) block resistance at page wheel air inlet (20) place of anti-air-return centrifugal blower can not take turns air inlet (20) by the return air page that enters anti-air-return centrifugal blower, the fan outlet (21) that the high pressure draught of blower fan sector wheel (12) periphery is formed by air-out sheet (5) in anti-air-return centrifugal fan casing periphery by the stop return air dress state of casing under smoothly in line enter air.Adsorbing powder dust outside dust collection filter bag in the lower chamber of a pulse dust removal air chamber is to time a certain amount of, now sent by the control system of in line wind dust-precipitator and refer to modern cylinder (9) action allowing anti-air-return blower fan, the expansion link (10) of cylinder retracts the plate of holding one's breath (11) entering upper chamber, plate (11) of holding one's breath closedown upper chamber is communicated with anti-air-return blower fan air intake cylinder (6), now there is no passing through of wind in the upper chamber of this pulse dust removal air chamber and lower chamber, at this moment control system sends and refers to that the present allows pulse valve open, high pressure draught in high-pressure gas box enters upper chamber by pulse valve and carries out high-pressure pulse back-blowing to dust collection filter bag, the dust allowing filtration be adsorbed on outside dust collection filter bag departs from dust collection filter bag, the dust departed from drops to flue-dust retainer through collecting again by sending grey equipment to see off, dust collection filter bag takes off the control impuls valve closedown again of the complete rear control system of dirt, Telescopic-cylinder bar (10) is stretched out in pulse valve controls anti-air-return blower fan again cylinder (9) action after cutting out, plate of holding one's breath (11) is pushed open and enters upper chamber, the air intake cylinder (6) that the air of upper chamber enters anti-air-return blower fan again forms dust wind again through dust collection filter bag, wind after dedusting directly enters air by the fan outlet (21) around anti-air-return centrifugal blower again to carry out in line wind and gathers dust.
Claims (4)
1. an in line wind gathers dust, a pulse dust removal air chamber of dust-precipitator, when gathering dust, dust wind enters lower chamber by air inlet duct by the air inlet of lower chamber, the dust wind entering lower chamber carries out dedusting through dust collection filter bag, wind after dedusting enters upper chamber, directly blower fan is entered by air intake cylinder again by the air outlet of upper chamber, directly discharge dust-precipitator through blower fan, feature of the present invention be blower fan outside pulse dust removal upper chamber directly and upper chamber air outlet connectivity part have the plate of holding one's breath (11) of controlled connectivity part switch.
2. blower fan according to claim 1 is anti-air-return centrifugal blower, blower fan is by motor and the blower fan sector wheel that is connected with motor, have the sector wheel outer cage that enclose blower fan sector wheel outside blower fan sector wheel, feature of the present invention is that the fan outlet (21) around anti-air-return fan casing is interconnected to form by upper casing (2), air-out sheet (5), connecting plate (3) and lower casing (4).
3. blower fan according to claim 1 is anti-air-return centrifugal blower, blower fan is by motor and the blower fan sector wheel that is connected with motor, the sector wheel outer cage that enclose blower fan sector wheel is had outside blower fan sector wheel, feature of the present invention is that the front end of the anti-air-return fan page sheet (18) of anti-air-return centrifugal blower is connected outer end below with the fan page sheet (13) of sector wheel (12), both sides are connected with sector wheel (12), rear a slice fan page sheet (13) of rear end and the fan page sheet (13) be connected and sector wheel (12) form the air outlet (17) of sector wheel (12).
4. blower fan according to claim 1 is anti-air-return centrifugal blower, blower fan is by motor and the blower fan sector wheel that is connected with motor, have the sector wheel outer cage that enclose blower fan sector wheel outside blower fan sector wheel, feature of the present invention has air inlet circle sealing ring (16) to seal it outside anti-air-return air inlet of centrifugal fan circle (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410782662.9A CN104492179A (en) | 2014-12-18 | 2014-12-18 | Direct exhaust dust collection method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410782662.9A CN104492179A (en) | 2014-12-18 | 2014-12-18 | Direct exhaust dust collection method |
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| CN104492179A true CN104492179A (en) | 2015-04-08 |
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| CN201410782662.9A Pending CN104492179A (en) | 2014-12-18 | 2014-12-18 | Direct exhaust dust collection method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109177684A (en) * | 2018-08-21 | 2019-01-11 | 郴州市中马汽车空调有限公司 | Air-conditioning condenser air return preventing device |
| CN110975444A (en) * | 2019-12-20 | 2020-04-10 | 郭春林 | Sack dust collector is used in lime production |
| CN111228912A (en) * | 2020-01-15 | 2020-06-05 | 陈嘉玲 | Industrial dust removal equipment with cleaning function |
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| CN103100270A (en) * | 2013-02-27 | 2013-05-15 | 苏州通联环保科技有限公司 | Pulse bag type dust collector |
| CN203189326U (en) * | 2013-04-16 | 2013-09-11 | 罗兆波 | Centrifugal wind wheel |
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| DE102008046508A1 (en) * | 2008-09-09 | 2010-03-11 | Behr Gmbh & Co. Kg | Ventilating device for ventilating internal combustion engine of motor vehicle, has wheel cover section and fan shroud section between which gap is formed, where gap runs towards centrifugal force occurring during rotation of fan wheel |
| CN103041654A (en) * | 2013-01-09 | 2013-04-17 | 广西大都混凝土集团有限公司 | Closed pulse dust collector and dust collection method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111228912A (en) * | 2020-01-15 | 2020-06-05 | 陈嘉玲 | Industrial dust removal equipment with cleaning function |
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Application publication date: 20150408 |