CN106110824B

CN106110824B - A kind of sack cleaner and its dust removal method for improving service life

Info

Publication number: CN106110824B
Application number: CN201610780222.9A
Authority: CN
Inventors: 张俊峰
Original assignee: Fujian Tietuo Machinery Co Ltd
Current assignee: Fujian Tietuo Machinery Co Ltd
Priority date: 2016-08-31
Filing date: 2016-08-31
Publication date: 2018-04-24
Anticipated expiration: 2036-08-31
Also published as: CN106110824A

Abstract

A kind of sack cleaner for improving service life, including inlet air flue, outlet air flue, filter bag dirt pocket, inertial dust collection room, inertial dust collection room includes housing and the ash bucket being installed on the downside of the housing, dust cover and wind deflector are equiped with housing, and a first passage is formed between dust cover and inlet air flue, a second channel is formed between dust cover and wind deflector, a third channel is formed between wind deflector and filter bag dirt pocket, dust cover lower end is equiped with one and extends to baffle in ash bucket, a steering passage for connecting the second channel and third channel is formed between baffle and the ash bucket.By setting inertial dust collection room, so that dusty gas first can be filtered once before filter bag dirt pocket is entered, prevent larger particle from entering in filter bag dirt pocket, avoid impact of the larger particle to filter bag, it is effectively improved the service life of filter bag, and substantial amounts of space, simple installation will not be taken.

Description

A kind of sack cleaner and its dust removal method for improving service life

Technical field

The present invention relates to a kind of sack cleaner and its dust removal method, refers in particular to a kind of pocket type for improving service life and removes Dirt device and its dust removal method.

Background technology

Asphalt mixing plant refers to that sand material is dried, heated, sieved, measured by one kind, and adds suitable fill out Charge（Mountain flour）, the equipment with heated bitumen liquid by certain match ratio uniform stirring into asphalt.With carrying for environmental requirement Height, sack cleaner have been widely used in asphalt mixing plant.

Since the velocity of flue gas that asphalt mixing plant need to be handled is high, containing substantial amounts of large-sized particle, and Dust concentration is very high, beyond the disposal ability of conventional bag-type dust.The prior art is to add one before bag filter Level gravitational precipitator or cyclone dust collectors, the large-size particles in preliminary treatment flue gas, by the flue gas of first order dust removal process Handled inside into second level bag filter, connected between first order dedusting and second level dedusting with smoke pipe.The prior art There are the problem of：1 dust pelletizing system is divided into two-stage connection, and system occupied space increases, and installation steps are cumbersome；2 gravitational dust collection effects It is not high, still suffer from considerable bulky grain and enter second level bag filter, add the pressure of two-stage dust removal, while these Particle directly impacts filter bag under the drive of high-speed flow, with higher speed, reduces the service life of filter bag.3 routines Bag filter air-flow is freely dispersed in bag filter box house after entering, and bag filter is understood by fluid mechanics knowledge What internal gas flow was unevenly distributed, local air flow speed bottom, local air flow speed is high, in the high region of air velocity, filter bag It is easily damaged.

The content of the invention

The present invention provides a kind of sack cleaner and its dust removal method for improving service life, and its main purpose is to overcome The defects of dust pelletizing system occupied space of existing bag filter increases, life of bag filter is low.

In order to solve the above technical problems, the present invention adopts the following technical scheme that：

It is a kind of improve service life sack cleaner, including inlet air flue, outlet air flue and with the outlet air flue connect Logical filter bag dirt pocket, further includes an inertial dust collection room, and the inertial dust collection room includes housing and is installed on the downside of the housing Ash bucket, be equiped with dust cover and wind deflector in the housing, and formed between the dust cover and the inlet air flue One first passage, forms a second channel between the dust cover and wind deflector, the wind deflector and the filter bag dirt pocket it Between form a third channel, the dust cover lower end is equiped with one and extends to baffle in the ash bucket, the baffle with should The steering passage of the connection second channel and third channel is formed between ash bucket.

Further, the dust cover is a shutter.

Further, the lower end of the ash bucket is equiped with a first weight valve for being used for dust discharge.

Further, the filter bag dirt pocket includes cloth bag mechanism set up and down and deashing bucket, the cloth bag mechanism Connected by a babinet with the deashing bucket, two partition plates being vertically arranged and a shunting plate, institute are equiped with the babinet State shunting plate to be installed between two partition plates, and the space between two partition plates is separated into and is led in the outlet air being distributed up and down Road and air intake passage, the third channel is connected by the air inlet being opened on the babinet with the air intake passage, described Outlet air flue is connected by the air outlet being opened on the babinet with the air-out passage.

Further, the lower end of two partition plates is connected by a porous plate, and the porous plate includes what is be sequentially connected First hole portion, the second hole portion and the 3rd hole portion, and first hole portion, the second hole portion, the 3rd hole portion are arrived along the air inlet The direction of the air outlet is set gradually and the aperture of through hole is sequentially reduced thereon.

Further, two partition plates form a rising passway between the babinet respectively, and the air intake passage leads to The deashing passage crossed in the deashing bucket is connected with described two rising passways.

Further, the cloth bag mechanism includes a plurality of gas chambers being arranged side by side, and the downside of the gas chamber has one to go out Stomata and two are located at the card of the venthole both sides respectively, and a plurality of exhausting-gas holes are offered on the card, often Filter bag and bag cage are equiped with a exhausting-gas hole, the gas chamber is connected with the air-out passage by the venthole, passes through institute The exhausting-gas hole stated on two cards is connected with described two rising passways.

Further, one and the corresponding air admission hole of the venthole, and the gas chamber are offered on the upside of the gas chamber On be equiped with one thereon valve plate can between the air admission hole and venthole sweeping action poppet.

Further, the lower end of the deashing bucket is equiped with a second weight valve for being used for dust discharge, in the deashing bucket It is equiped with a screw conveyor that dust can be sent at the second weight valve.

A kind of dust removal method for the sack cleaner for improving service life, comprises the following steps：

1) dusty gas is after inlet air flue, into first passage；

2) dusty gas is from during first passage enters second channel, large-sized particles hit to shutter thereon Go up and fall into the ash bucket of lower section；

3) under the stop of wind deflector, air-flow turns to the dusty gas in second channel therewith, into passage is turned to, thereon Small size particle be thrown out of under the influence of centrifugal force, then the effect by baffle is struck on the side plate of ash bucket, and fall Enter in ash bucket；

4) turn to the dusty gas in passage and continue to flow into third channel, and the air inlet through on babinet leads into inlet air Road；

5) dusty gas in air intake passage enters in deashing passage after the shunting of porous plate；

6) dusty gas passes through rising passway, and passes through filter bag, and the little particle do not removed in inertial dust collection room is in air-flow Drive under, be adsorbed onto the surface of filter bag, afterwards, dusty gas enters plenum interior；

7) the indoor dusty gas of gas, into air-out passage, is then passed through going out on babinet through the venthole on the downside of gas chamber Air port, into outlet air flue, is finally discharged；

8) start poppet, push down on valve plate thereon, so as to cause plenum interior pressure differential, allow filter bag to expand, Dust of the absorption on filter bag is set to drop in deashing bucket；

9) control the valve plate on poppet to ramp up and return to original position, deashing is completed, and replys dust collection capacity.

Compared to the prior art, the beneficial effect that the present invention produces is:

1st, the configuration of the present invention is simple, highly practical, by setting inertial dust collection room so that dusty gas is removed into filter bag It first can once be filtered before dirt room, larger particle is avoided larger particle pair from entering in filter bag dirt pocket The impact of filter bag, is effectively improved the service life of filter bag, and will not take substantial amounts of space, simple installation.

2nd, in the present invention, by setting shutter so that large-sized particle can be struck on shutter so as to allow Its speed reduces, and falls into the ash bucket of lower section；The particle of small particle flows after shutter with air-flow, in the resistance of wind deflector Under gear, air-flow turns to therewith, and under the influence of centrifugal force, the particle of small particle is thrown out of, and is struck on the side plate of ash bucket, speed Degree reduces, and eventually falls into ash bucket bottom.

3rd, in the present invention, by setting the first weight valve so that the dust inside ash bucket can pass through the first weight Valve is discharged.

4th, in the present invention, by setting porous plate so that porous plate can shunt air-flow, avoid air-flow office Portion concentrates impact filter bag, further extends the service life of filter bag.

5th, in the present invention, by setting a plurality of gas chambers, dust removing effects can be improved, simultaneously because gas chamber number is more, Even if single gas chamber failure, will not greatly influence efficiency of dust collection, it is not required to shut down and repairs, improve work efficiency；By setting Put venthole so that after filter bag filters dusty gas, adsorbing powder dust is on filter bag, and the gas by filtering is by going out Stomata is discharged to air-out passage, then is discharged by outlet air flue.

6th, in the present invention, by setting poppet so that the valve plate on poppet pushes up when blocking air admission hole, contains Dust and gas physical efficiency continues through filter bag and is filtered, then arranges to outlet air flue；Valve plate on poppet, which pushes down on, blocks venthole When, plenum interior pressure differential can be caused, filter bag expansion, adsorbs the dust on filter bag and drop in deashing bucket, effectively avoid out Dust excessively influences the situation of filter effect on existing filter bag.

7th, in the present invention, by setting screw conveyor, the dust in deashing bucket can be transported to the second weighted valve Door top, then deashing bucket is discharged by the second weight valve.

8th, in the present invention, dusty gas can pass through inertial dust collection room and the filtering twice of filter bag dirt pocket, make larger Particle cannot enter in filter bag dirt pocket, avoid impact of the larger particle to filter bag, and in filter bag dirt pocket babinet Portion shunts air-flow by porous plate, avoids air-flow concentration of local impact cloth bag, is effectively improved the use of filter bag Service life.

Brief description of the drawings

Fig. 1 is the structure diagram of the present invention.

Fig. 2 is the structure diagram of inertial dust collection room described in Fig. 1.

Fig. 3 is the structure diagram of filter bag dirt pocket described in Fig. 1.

Fig. 4 is the axonometric drawing of filter bag dirt pocket described in Fig. 1.

Fig. 5 is the schematic diagram of porous plate described in Fig. 4.

Embodiment

Illustrate the embodiment of the present invention with reference to the accompanying drawings.

With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5.A kind of sack cleaner for improving service life, including inlet air flue 1, Outlet air flue 2, the 3 and one inertial dust collection room 4 of filter bag dirt pocket connected with the outlet air flue 2.The inertial dust collection room 4 includes Housing 41 and the ash bucket 42 for being installed in the downside of the housing 41, are equiped with dust cover 43 and wind deflector 44 in housing 41, and A first passage 45 is formed between dust cover 43 and inlet air flue 1；A second channel is formed between dust cover 43 and wind deflector 44 46；A third channel 47 is formed between wind deflector 44 and filter bag dirt pocket 3.43 lower end of dust cover is equiped with one and extends to ash bucket Baffle 48 in 42, forms a steering passage for connecting second channel 46 and third channel 47 between baffle 48 and the ash bucket 42 49.By setting inertial dust collection room 4 so that dusty gas enter filter bag dirt pocket 3 before first can once be filtered, make compared with Big particle cannot enter in filter bag dirt pocket 3, avoid impact of the larger particle to filter bag, be effectively improved filter bag Service life, and substantial amounts of space, simple installation will not be taken.Wherein, the bottom of baffle 48 is preferably located under wind deflector Just and cannot be inconsistent with ash bucket 42, so that allowing can flow down to dust stratification during dusty gas flow down in the stop of baffle 48 The side plate of bucket so that the particle allowed in dusty gas can be struck on ash bucket side plate, and partial particulate also can due to The impact of baffle 48 and be directly slipped to by baffle in ash bucket 42.

With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5.Dust cover 43 in the present invention can be a shutter 43.Pass through setting Shutter 43 so that large-sized particle can be struck on shutter so as to allow its speed to reduce, and fall into the ash bucket of lower section In 42；The particle of small particle flows after shutter with air-flow, and under the stop of wind deflector 44, air-flow turns to therewith, from Under the action of mental and physical efforts, the particle of small particle is thrown out of, then the effect by baffle 48, on the side plate for striking ash bucket 42, speed Degree reduces, and eventually falls into 42 bottom of ash bucket.

With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5.The lower end of ash bucket 42 is equiped with a first weight valve for being used for dust discharge 5.By setting the first weight valve 5 so that the dust inside ash bucket 42 can be discharged by the first weight valve 5.Due to weight Hammer valve is a prior art, therefore details are not described herein again.

With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5.Filter bag dirt pocket 3 includes cloth bag mechanism 31 set up and down and deashing Bucket 32, the cloth bag mechanism 31 is connected by a babinet 33 with the deashing bucket 32.Two are equiped with the babinet 33 vertically The 34 and one shunting plate 35 of partition plate of setting, the shunting plate 35 are installed between two partition plates 34, and by two partition plates Space between 34 is separated into the air-out passage 61 being distributed up and down and air intake passage 62；The third channel 47 is by being opened in Air inlet 331 on the babinet 33 is connected with the air intake passage 62, and the outlet air flue 2 is by being opened in the babinet 33 On air outlet 332 connected with the air-out passage 61.

With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5.The lower end of two partition plates 34 is connected by a porous plate 36, described porous Plate 36 includes the first hole portion 361, the second hole portion 362 and the 3rd hole portion 363 that are sequentially connected, and first hole portion 361, the Two hole portions 362, the direction of the 3rd hole portion 363 along air inlet 331 to air outlet 332 are set gradually and the aperture of through hole is successively thereon Reduce.By setting porous plate 36 so that porous plate 36 can shunt air-flow, avoid the impact filter of air-flow concentration of local Bag, further extends the service life of filter bag.

With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5.Two partition plates 34 form a rising passway 63 between babinet 33 respectively, Air intake passage 62 is connected by the deashing passage 64 in deashing bucket 32 with two rising passways 63.

With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5.Cloth bag mechanism 31 includes a plurality of gas chambers 311 being arranged side by side, the gas The downside of room 311 has a venthole 312 and two cards 313 for being located at the venthole both sides respectively, and card 313 On offer a plurality of exhausting-gas holes 314, be equiped with filter bag 315 and bag cage 316 on each exhausting-gas hole 314, the gas chamber 311 is logical The venthole 312 is crossed to connect with the air-out passage 61, by the exhausting-gas hole 314 and two on described two cards 313 Passage 63 is risen to connect.By setting a plurality of gas chambers 311, dust removing effects can be improved, simultaneously because 311 numbers of gas chamber are more, i.e., Make single gas chamber failure, will not greatly influence efficiency of dust collection, be not required to shut down and repair, improve work efficiency；Pass through setting Venthole 312 so that after filter bag filters dusty gas, adsorbing powder dust passes through on filter bag by the gas of filtering Venthole 312 is discharged to air-out passage 61, then is discharged by outlet air flue 2.

With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5.The upside of gas chamber 311 offers one and 312 corresponding air admission hole of venthole 317, and be equiped with the gas chamber 311 one thereon valve plate 91 can between the air admission hole and venthole sweeping action lifting Valve 9.By setting poppet 9 so that the valve plate 91 on poppet 9 pushes up when blocking air admission hole 317, and dusty gas can be after It is continuous to be filtered by filter bag, then arrange to outlet air flue 2；Valve plate 91 on poppet 9 pushes down on when blocking venthole 312, 311 internal pressure of gas chamber can be caused poor, filter bag expansion, adsorbs the dust on filter bag and drop in deashing bucket 32, effectively avoid There is the situation that dust on filter bag excessively influences filter effect.Since poppet is the prior art, details are not described herein again.

With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5.The lower end of deashing bucket 32 is equiped with a second weight valve for being used for dust discharge 7；A screw conveyor 8 that dust can be sent at the second weight valve 7 is equiped with deashing bucket 32.By setting spiral shell Conveyer 8 is revolved, the dust in deashing bucket 32 can be transported to 7 top of the second weight valve, then pass through the second weight valve 7 Discharge deashing bucket.

With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5.A kind of dust removal method for the sack cleaner for improving service life, including Following steps：

Step 1：

Dusty gas is after inlet air flue 1, into first passage 45.

Step 2：

Dusty gas is from during first passage 45 enters second channel 46, large-sized particles hit to blinds thereon On window 43 and fall into the ash bucket 42 of lower section.

Step 3：

Under the stop of wind deflector 44, air-flow turns to dusty gas in second channel therewith, into turn to passage 49, its On small size particle be thrown out of under the influence of centrifugal force, then the effect by baffle 48, strikes the side plate of ash bucket 42 On, and fall into ash bucket 42.

Step 4：

The dusty gas turned in passage 49 continues to flow into third channel 47, and through the air inlet 331 on babinet 33 into Enter air intake passage 62.

Step 5：

Dusty gas in air intake passage 62 enters in deashing passage 64 after the shunting of porous plate 36.

Step 6：

Dusty gas passes through rising passway 63, and passes through filter bag 315, and the little particle do not removed in inertial dust collection room 4 exists Under the drive of air-flow, the surface of filter bag 315 is adsorbed onto, afterwards, dusty gas is into inside air inlet chamber 311.

Step 7：

Dusty gas in gas chamber 311, into air-out passage 61, is then passed through babinet through the venthole 312 on the downside of gas chamber Air outlet 332 on 33, into outlet air flue 2, is finally discharged.

Step 8：

Start poppet 9, push down on valve plate 91 thereon, so as to cause 311 internal pressure of gas chamber poor, allow filter bag 315 expansions, make dust of the absorption on filter bag 315 drop in deashing bucket 32.

Step 9：

Valve plate 91 on control poppet 9, which ramps up, returns to original position, and deashing is completed, and replys dust collection capacity.

With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5.In the present invention, dusty gas can pass through inertial dust collection room 4 and filter bag The filtering twice of dirt pocket 3, prevents larger particle to avoid larger particle to filter bag 315 from entering in filter bag dirt pocket 3 Impact, and air-flow is shunted by porous plate 36 inside filter bag dirt pocket babinet 33, avoids air-flow concentration of local Cloth bag is impacted, is effectively improved the service life of filter bag.

The embodiment of the present invention is above are only, but the design concept of the present invention is not limited thereto, it is all to utilize this Conceive the change that unsubstantiality is carried out to the present invention, the behavior for invading the scope of the present invention should all be belonged to.

Claims

1. the sack cleaner of service life is improved a kind of, including inlet air flue, outlet air flue and is connected with the outlet air flue Filter bag dirt pocket, it is characterised in that：An inertial dust collection room is further included, the inertial dust collection room includes housing and is installed in this Ash bucket on the downside of housing, dust cover and wind deflector, and the dust cover and the inlet air flue are equiped with the housing Between form a first passage, form a second channel between the dust cover and wind deflector, the wind deflector and the filter bag Form a third channel between dirt pocket, the dust cover lower end is equiped with one and extends to baffle in the ash bucket, described A steering passage for connecting the second channel and third channel is formed between baffle and the ash bucket；The filter bag dirt pocket bag Cloth bag mechanism set up and down and deashing bucket are included, the cloth bag mechanism is connected by a babinet with the deashing bucket, the case Two partition plates being vertically arranged and a shunting plate are equiped with vivo, the shunting plate is installed between two partition plates, and Space between two partition plates is separated into the air-out passage and air intake passage being distributed up and down, the third channel is by opening up Air inlet on the babinet is connected with the air intake passage, and the outlet air flue passes through the outlet air that is opened on the babinet Mouth is connected with the air-out passage.

A kind of 2. sack cleaner for improving service life as claimed in claim 1, it is characterised in that：The dust cover is 100 Leaf window.

A kind of 3. sack cleaner for improving service life as claimed in claim 1, it is characterised in that：The lower end of the ash bucket It is equiped with a first weight valve for being used for dust discharge.

A kind of 4. sack cleaner for improving service life as claimed in claim 1, it is characterised in that：Under two partition plates End is connected by a porous plate, and the porous plate includes the first hole portion, the second hole portion and the 3rd hole portion being sequentially connected, and institute State the first hole portion, the second hole portion, the direction of the 3rd hole portion along the air inlet to the air outlet are set gradually and through hole thereon Aperture be sequentially reduced.

A kind of 5. sack cleaner for improving service life as claimed in claim 1, it is characterised in that：Two partition plate difference Form a rising passway between the babinet, the air intake passage by the deashing passage in the deashing bucket with it is described two Rising passway connects.

A kind of 6. sack cleaner for improving service life as claimed in claim 5, it is characterised in that：The cloth bag mechanism includes A plurality of gas chambers being arranged side by side, the downside of the gas chamber are located at the venthole both sides respectively with a venthole and two Card, and a plurality of exhausting-gas holes are offered on the card, filter bag and bag cage, the gas are equiped with each exhausting-gas hole Room is connected with the air-out passage by the venthole, is led to by the exhausting-gas hole on described two cards and described two rise Road connects.

A kind of 7. sack cleaner for improving service life as claimed in claim 6, it is characterised in that：Opened up on the upside of the gas chamber There are one and the corresponding air admission hole of the venthole, and one is equiped with the gas chamber valve plate can be in the air admission hole with going out thereon The poppet of sweeping action between stomata.

A kind of 8. sack cleaner for improving service life as claimed in claim 1, it is characterised in that：The lower end of the deashing bucket A second weight valve for being used for dust discharge is equiped with, dust can be sent to second weight by being equiped with one in the deashing bucket Screw conveyor at valve.

9. a kind of dust removal method for the sack cleaner for improving service life, it is characterised in that comprise the following steps：

1）Dusty gas is after inlet air flue, into first passage；

2）Dusty gas from first passage enter second channel during, thereon in large-sized particles hit to shutter And fall into the ash bucket of lower section；

3）Under the stop of wind deflector, air-flow turns to dusty gas in second channel therewith, into passage is turned to, thereon Small size particle is thrown out of under the influence of centrifugal force, then the effect by baffle, is struck on the side plate of ash bucket, and fall into In ash bucket；

4）Turn to the dusty gas in passage and continue to flow into third channel, and the air inlet through on babinet enters air intake passage；

5）Dusty gas in air intake passage enters in deashing passage after the shunting of porous plate；

6）Dusty gas passes through rising passway, and passes through filter bag, band of the little particle do not removed in inertial dust collection room in air-flow Under dynamic, the surface of filter bag is adsorbed onto, afterwards, dusty gas enters plenum interior；

7）The indoor dusty gas of gas passes through the venthole on the downside of gas chamber, into air-out passage, the outlet air being then passed through on babinet Mouthful, into outlet air flue, finally discharge；

8）Start poppet, push down on valve plate thereon, so as to cause plenum interior pressure differential, allow filter bag to expand, make suction The dust being attached on filter bag is dropped in deashing bucket；

9）Valve plate on control poppet, which ramps up, returns to original position, and deashing is completed, and replys dust collection capacity.