CN207221525U - A kind of bag filter for aqueous dust - Google Patents

A kind of bag filter for aqueous dust Download PDF

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Publication number
CN207221525U
CN207221525U CN201721178403.0U CN201721178403U CN207221525U CN 207221525 U CN207221525 U CN 207221525U CN 201721178403 U CN201721178403 U CN 201721178403U CN 207221525 U CN207221525 U CN 207221525U
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China
Prior art keywords
dust
removing box
filter
filter bag
aqueous
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CN201721178403.0U
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Inventor
刘同博
常社卫
冀艳霞
王万祥
常丛巧
赵钰胜
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Luoyang Zhanteng Technology Co Ltd
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Luoyang Zhanteng Technology Co Ltd
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Abstract

A kind of bag filter for aqueous dust, including dust-removing box and the ash bucket being arranged on below dust-removing box, dust-removing box bottom is equipped with stent, pocket is equipped with dust-removing box, to install the filter bag of dedusting, dust-removing box top is equipped with clean air outlet, dust-removing box side is equipped with aqueous dust inlet, dust-removing box is additionally provided with filter bag dehydrating unit, filter bag dehydrating unit includes air blower and main air hose, main air hose is connected by threeway with air blower and clean air outlet, and dehumidifying valve is set between main air hose and air blower, drain tap is set between main air hose and clean air outlet, multiple exhaust outlets are equipped with main air hose, each exhaust outlet is connected by branched pipe with a filter bag;Filtration apparatus is equipped with aqueous dust inlet, dust-removing box is externally provided with the cleaning device that on-line cleaning is carried out to filter element in filtration apparatus.The present apparatus is sent into lasting air-flow from air blower into filter bag, is dehumidified to filter bag, and effect on moisture extraction is preferable.

Description

A kind of bag filter for aqueous dust
Technical field
The utility model belongs to the technical field of dust processing, and in particular to a kind of bag-type dust for aqueous dust Device.
Background technology
Bag filter is a kind of dry type dust filtration device.It is suitable for trapping tiny, dry, non-fiber dust.Filter bag Using weaving filter cloth or nonwoven felt into, aqueous dust is filtered using the filtration of fabric, when containing After pigment dirt enters sack cleaner, particle is big, heavy dust, since the effect of gravity settles down, falls into ash bucket, contains There is the gas of relatively fine dust when passing through filtrate, dust is purified gas by detention.
Filter bag in use for some time, as dust is in the accumulation of filter material surface, efficiency and resistance all phases of deduster The increase answered, when the pressure differential of filtrate both sides is very big, the tiny grit that some can be attached on filtrate extrudes the past, makes Dust collector efficiency declines.In addition, the excessive air quantity that can make dust pelletizing system of the resistance of deduster is remarkably decreased.Therefore, deduster After resistance reaches certain numerical value, timely deashing.
Filter bag carries out jetting deashing using compressed air, and deashing mechanism is by gas bag, injection tube and electromagnetic pulse control valve etc. Composition.Filter bag outlet top is often arranged in filter chamber and is equipped with an injection tube, face filter bag center is equipped with injection on the downside of injection tube Mouthful, it is equipped with a pulse valve in every injection tube and is communicated with compressed air gas bag.During deashing, solenoid valve opens pulse valve, Compressed air is through spraying by dust disposing device(Differential pressure or timing, control manually)Electromagnetic pulse injection, pressure are opened by setup program Contracting gas is several times as much as injection tolerance in order through each pulse valve with the time of extremely short rush through the nozzle induction in injection tube Air enters filter bag, forms air wave, filter bag is produced expansion and impact vibration drastically by sack to bottom, causes very strong Deashing acts on, and shakes off the dust on filter bag.
But above purge mode, for the larger dust of water content, effect is unsatisfactory.Because using pocket type When deduster carries out dedusting to aqueous dust, that not only adheres on filter bag has dust particles, some moisture, when dust When water content is larger, filter bag water content can also increase therewith, and during use pulse backblowing deashing, air quantity is smaller, blow-time pole It is short, it is difficult to which the dust on filter bag is blown off, it is more difficult to filter bag is dried up, due to filter bag only in the dry state, competence exertion Good filtration, therefore, when handling aqueous dust, seldom uses sack cleaner, but remove using other Dirt equipment, or processing is dried to aqueous dust, sack cleaner is used after removing moisture therein, which adds The input of equipment and improve processing cost.
Utility model content
The purpose of this utility model is to provide a kind of bag filter for aqueous dust, by being carried out to deashing device Improve, make it not only to play the role of removing dust on filter bag, blowback drying can also be carried out to filter bag, to remove filter bag On moisture, to ensure validity and dust removing effects of the sack cleaner during aqueous dust is handled.
In order to solve the above-mentioned technical problem, the used technical solution of the utility model is:One kind is used for aqueous dust Bag filter, including dust-removing box and the ash bucket that is arranged on below dust-removing box, dust-removing box bottom be equipped with stent, except Pocket is equipped with dirt babinet, to install the filter bag of dedusting, dust-removing box top is equipped with clean air outlet, in dust-removing box Side is equipped with aqueous dust inlet, and the dust-removing box is additionally provided with filter bag dehydrating unit, and filter bag dehydrating unit includes air blower With main air hose, main air hose is connected by threeway with air blower and clean air outlet, and between main air hose and air blower Dehumidifying valve is set, drain tap is set between main air hose and clean air outlet, multiple air drafts are equipped with main air hose Mouthful, each exhaust outlet connected by branched pipe with a filter bag, is sent into lasting air-flow into filter bag from air blower, to filter bag into Row dehumidifying;Filtration apparatus is equipped with the aqueous dust inlet, aqueous dust is tentatively filtered, and outside dust-removing box Equipped with the cleaning device that on-line cleaning is carried out to filter element in filtration apparatus.
Preferably, the filtration apparatus includes chain sprocket structure and polylith sieve plate, and sieve plate is installed on chain sprocket structure Chain on, the cleaning device includes service sink and drying equipment, and one end of chain sprocket structure is located in dust-removing box, and It is covered on aqueous dust inlet, the other end is located in the service sink, and the drying equipment is arranged on chain sprocket knot The top of structure, dries the sieve plate after cleaning.
Preferably, heating unit is equipped between the air blower and main air hose, the air-flow for entering main air hose is heated.
Preferably, the sieve aperture on the sieve plate is 80-100 mesh.
Preferably, the hopper bottom is equipped with ash discharging hole and ash discharge valve.
Compared with prior art, the beneficial effects of the utility model are:
First, using air blower, continual and steady air-flow is sent into the blowback into filter bag to the utility model, accelerates filter bag surface The evaporation of moisture, air-dries filter bag, and by adjusting the wind speed of air blower, plays the effect of reverse gas cleaning, remove filter bag The dust on surface, plays the role of clearing up filter bag;
Second, it is bonded in order to avoid large dust particle is mixed with water on filter bag, the utility model contains dust-removing box Pigment dirt inlet sets filtration apparatus, to filter the large dust particle in aqueous dust before gas enters pocket Fall, the large dust particle part filtered out is fallen into ash bucket, and another part is attached on sieve plate, therefore, is additionally provided with to filtering The cleaning device of device cleaning so that sieve plate is completed to clean and dry during the motion, to ensure the filter effect of sieve plate.
3rd, the heating unit set between air blower and main air hose can heat the air-flow for entering filter bag, heating Air-flow afterwards can speed up the drying of filter bag, ensure the treatment effeciency of sack cleaner.
4th, air blower blowback drying filter bag and clean air discharge share a set of pipeline, and pass through respective valve control System, can reduce the generation of mechanical breakdown with thin device structure.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model;
Fig. 2 is the structure diagram of filtration apparatus and cleaning device;
Marked in figure:1st, dust-removing box, 2, ash bucket, 3, stent, 4, pocket, 5, filter bag, 6, aqueous dust inlet, 7, cleaning Air outlet, 8, main air hose, 9, air blower, 10, branched pipe, 11, drain tap, 12, dehumidifying valve, 13, filtration apparatus, 14th, guide plate, 15, chain sprocket structure, 16, sieve plate, 17, service sink, 18, drying equipment.
Embodiment
Below in conjunction with the accompanying drawings, by specific embodiment, the technical solution of the utility model is further described.
As shown in the figure, a kind of bag filter for aqueous dust, including dust-removing box 1, ash bucket 2 and filter bag dehumidifying dress Put, ash bucket 2 is arranged on the lower section of dust-removing box 1, and is connected in the pocket 4 in dust-removing box 1, and 2 bottom of ash bucket is equipped with ash discharging hole With ash discharge valve, 1 bottom of dust-removing box is equipped with stent 3, the pocket 4 inside dust storage tank body 1 to install the filter bag 5 of dedusting, Clean air outlet 7 is equipped with 1 top of dust-removing box;1 side of dust-removing box is equipped with aqueous dust inlet 6, and containing pigment Guide plate 14 is equipped with dirt entrance 6, to guide aqueous dust to enter pocket 4, and causes the large dust particle in aqueous dust Fallen into through shock in the ash bucket 2 of lower section;The filter bag dehydrating unit includes air blower 9 and main air hose 8, it is preferred that air blast Machine 9 uses frequency conversion fan, can adjust wind speed and air quantity, and main 8 one end of air hose is connected with air blower 9, other end closing, in order to subtract The setting on education and correction for juvenile offenders road, main air hose 8 are connected with air blower 9, clean air outlet 7 respectively by threeway, and in main air hose 8 and drum Dehumidifying valve 12 is equipped between wind turbine 9, drain tap 11 is equipped between main air hose 8 and clean air outlet 7, along main air hose 8 length directions are equipped with multiple exhaust outlets, and each exhaust outlet is connected by a branched pipe 10 with a filter bag 5;Described contains Filtration apparatus 13 is equipped with water dust inlet 6, aqueous dust is tentatively filtered before aqueous dust enters pocket 4, should Filtration apparatus includes chain sprocket structure 15 and polylith sieve plate 16, and the sieve aperture on sieve plate 16 is 80-100 mesh, 16 block-by-block of sieve plate peace Between two chains of chain sprocket structure 15, drive sieve plate 16 to rotate by chain wheel drive, be additionally provided with outside dust-removing box 1 The cleaning device of on-line cleaning is carried out to sieve plate 16, which includes service sink 17 and drying equipment 18, the chain One end of chain sprocket structure 15 is located in dust-removing box 1, and can cover aqueous dust inlet 6, and the other end is stretched out from dust-removing box 1 And stretch into service sink 17, the cleaning solution cleaned to sieve plate 16 is filled in service sink 17,16 cycle rotation of sieve plate is driven in sprocket wheel During, the sieve plate 16 from dust-removing box 1 out, which enters in service sink 17, to be cleaned, and is attached to removing on sieve plate 16 Dust, in order not to increase the humidity of aqueous dust, the drying equipment 18 is arranged on the middle part of chain sprocket structure 15, right Sieve plate 16 after cleaning carries out drying and processing.
Further description is done to the technical solution of the utility model with reference to application method.
The dedusting stage:In this stage, the utility model and sack cleaner application method of the prior art are essentially identical, Institute's difference is, first, closing the dehumidifying valve 12 between air blower 9 and air blower 9 and main air hose 8, opens at the same time Drain tap 11 between main air hose 8 and clean air outlet 7;Second, open the driving dress of drive chain chain sprocket structure 15 Put, so that sieve plate 16 carries out preliminary filtering to the aqueous dust for entering dust-removing box 1, avoid large dust particle from being attached to filter bag Influenced on 5 subsequently to the dehumidification treatments of filter bag 5;
The dehumidifying stage:In use for some time, since dust water content is larger, cause the increase of 5 humidity of filter bag, increase The resistance and effect of dedusting, it is therefore desirable to removal moisture drying processing is carried out to filter bag 5, needs to close the drain tap at this time 11st, dehumidifying valve 12 is opened, and opens air blower 9, the dry gas stream of lasting stability is blowed from air blower 9 to each filter bag 5, is borrowed The moisture evaporation on 5 surface of flowing increase filter bag of air-flow is helped, to remove 5 contained humidity of filter bag, and filter is blown off while dehumidifying Dust on bag 5, and the rotating speed of air blower 9 can also be adjusted according to the humidity of filter bag 5.
Preferably, in order to improve the effect on moisture extraction of filter bag 5, heating unit is additionally provided between air blower 9 and main air hose 8, The air-flow for entering main air hose 8 is heated, 5 effect on moisture extraction of filter bag is entered more preferably by hot-air.

Claims (5)

1. a kind of bag filter for aqueous dust, including dust-removing box(1)Be arranged on dust-removing box(1)The ash of lower section Bucket(2), dust-removing box(1)Bottom is equipped with stent(3), in dust-removing box(1)It is interior to be equipped with pocket(4), to install the filter of dedusting Bag(5), dust-removing box(1)Top is equipped with clean air outlet(7), in dust-removing box(1)Side is equipped with aqueous dust inlet (6), it is characterised in that:The dust-removing box(1)Filter bag dehydrating unit is additionally provided with, filter bag dehydrating unit includes air blower(9) With main air hose(8), main air hose(8)Pass through threeway and air blower(9)And clean air outlet(7)Connection, and in main air hose (8)And air blower(9)Between set dehumidifying valve(12), in main air hose(8)With clean air outlet(7)Between set exhaust Valve(11), in main air hose(8)Multiple exhaust outlets are equipped with, each exhaust outlet passes through branched pipe(10)With a filter bag(5)Even It is logical, by air blower(9)To filter bag(5)It is interior to be sent into lasting air-flow, to filter bag(5)Dehumidify;In the aqueous dust inlet (6)Place is equipped with filtration apparatus(13), into dust-removing box(1)Aqueous dust is tentatively filtered, and in dust-removing box(1)Outside Equipped with to filtration apparatus(13)Middle filter element carries out the cleaning device of on-line cleaning.
A kind of 2. bag filter for aqueous dust according to claim 1, it is characterised in that:The filtration apparatus (13)Including chain sprocket structure(15)With polylith sieve plate(16), sieve plate(16)Installed in chain sprocket structure(15)Chain On, the cleaning device includes service sink(17)And drying equipment(18), chain sprocket structure(15)One end be located at dust cleaning case Body(1)It is interior, and it is covered in aqueous dust inlet(6)On, the other end is located at the service sink(17)Interior, described drying equipment (18)It is arranged on chain sprocket structure(15)Top, to the sieve plate after cleaning(16)Dried.
A kind of 3. bag filter for aqueous dust according to claim 1, it is characterised in that:The air blower (9)With main air hose(8)Between be equipped with heating unit, to enter main air hose(8)Air-flow heated.
A kind of 4. bag filter for aqueous dust according to claim 2, it is characterised in that:The sieve plate(16) On sieve aperture be 80-100 mesh.
A kind of 5. bag filter for aqueous dust according to claim 1, it is characterised in that:The ash bucket(2) Bottom is equipped with ash discharging hole and ash discharge valve.
CN201721178403.0U 2017-09-14 2017-09-14 A kind of bag filter for aqueous dust Active CN207221525U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721178403.0U CN207221525U (en) 2017-09-14 2017-09-14 A kind of bag filter for aqueous dust

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721178403.0U CN207221525U (en) 2017-09-14 2017-09-14 A kind of bag filter for aqueous dust

Publications (1)

Publication Number Publication Date
CN207221525U true CN207221525U (en) 2018-04-13

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107376532A (en) * 2017-09-14 2017-11-24 洛阳展腾科技有限公司 A kind of sack cleaner for aqueous dust
CN109589709A (en) * 2018-11-28 2019-04-09 刘同� One kind being convenient for self-cleaning environmental protection air air purifying apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107376532A (en) * 2017-09-14 2017-11-24 洛阳展腾科技有限公司 A kind of sack cleaner for aqueous dust
CN109589709A (en) * 2018-11-28 2019-04-09 刘同� One kind being convenient for self-cleaning environmental protection air air purifying apparatus

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