CN106215559A - A kind of long bag and low pulse bag-type dust collecting equipment - Google Patents

A kind of long bag and low pulse bag-type dust collecting equipment Download PDF

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Publication number
CN106215559A
CN106215559A CN201610769866.8A CN201610769866A CN106215559A CN 106215559 A CN106215559 A CN 106215559A CN 201610769866 A CN201610769866 A CN 201610769866A CN 106215559 A CN106215559 A CN 106215559A
Authority
CN
China
Prior art keywords
bag
box
filter
dust collecting
collecting equipment
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
Application number
CN201610769866.8A
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Chinese (zh)
Inventor
席颖
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HEFEI DESIRED ENVIRONMENTAL TECHNOLOGY Co Ltd
Original Assignee
HEFEI DESIRED ENVIRONMENTAL TECHNOLOGY Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by HEFEI DESIRED ENVIRONMENTAL TECHNOLOGY Co Ltd filed Critical HEFEI DESIRED ENVIRONMENTAL TECHNOLOGY Co Ltd
Priority to CN201610769866.8A priority Critical patent/CN106215559A/en
Publication of CN106215559A publication Critical patent/CN106215559A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/02Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
    • B01D46/023Pockets filters, i.e. multiple bag filters mounted on a common frame
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D39/00Filtering material for liquid or gaseous fluids
    • B01D39/08Filter cloth, i.e. woven, knitted or interlaced material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0002Casings; Housings; Frame constructions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/02Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
    • B01D46/04Cleaning filters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/42Auxiliary equipment or operation thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/42Auxiliary equipment or operation thereof
    • B01D46/48Removing dust other than cleaning filters, e.g. by using collecting trays
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/56Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
    • B01D46/62Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2239/00Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/04Additives and treatments of the filtering material
    • B01D2239/0471Surface coating material

Abstract

The invention discloses a kind of long bag and low pulse bag-type dust collecting equipment, including upper box and lower box;Filter it is provided with between upper box and lower box;It is provided with air outlet and maintenance door on upper box, is internally provided with deashing device and defecator;Lower box side is provided with air inlet, and lower section is provided with ash bucket;Being provided with the gravitational precipitator being connected with air inlet in upper box, be provided with dust-exhausting port bottom gravitational precipitator, top is provided with gas outlet, and gas outlet is connected with cooler.Rot in the present invention is so that filter bag is horizontally or diagonally arranged, and during level, flue gas sequentially passes through filter bag from bottom to up, improves the filter effect of flue gas;The part of filter bag surface attachment can be sunk during inclination grain landing, improve ash-removal effect, it is to avoid filter bag surface sinks the grain problem that filter bag is susceptible to rupture when too much causing deashing;This cleaner can improve the clean-up effect of flue gas so that purified gas meets state environmental emissioning standard.

Description

A kind of long bag and low pulse bag-type dust collecting equipment
Technical field
The present invention relates to exhaust dust device with bag field, particularly relate to a kind of long bag and low pulse bag-type dust collecting equipment.
Background technology
China's electric power is constituted based on coal electricity, accounts for the 80% of the capacity that all generates electricity, and this general layout is in considerable time Interior can not have basic change.Along with power plant's capacity is increasing, coal consumption increases, and adds that ature of coal is poor, and coal-burning boiler produces Raw flue gas makes many cities and area atmosphere quality severe exacerbation, becomes the outstanding problem of electric power development.At present, electrostatic Cleaner unit and sack cleaner are still the prefered method purifying power plant's fire coal boiler fume, but due to the coal-fired composition thousand of China Becoming ten thousand changes, dust characteristic is the most different, uses electrostatic precipitator and sack cleaner purifying smoke, all can not reach country row For putting standard.
Summary of the invention
In view of this, the invention provides a kind of long bag and low pulse bag-type dust collecting equipment, it is possible to after making gas cleaning, Meet state environmental emissioning standard.
The technical scheme is that and be achieved in that:
A kind of long bag and low pulse bag-type dust collecting equipment, including upper box and lower box;Described upper box and described nowel Filter it is provided with between body;
It is provided with air outlet and maintenance door on described upper box, is internally provided with deashing device and defecator;Described clearly Ash system includes air accumulator, escape pipe tank connected with described gas storage, the some pulse valves being arranged on described escape pipe, if with The injection tube that dry described pulse valve connects, and the pulse control instrument being connected with described pulse valve signal;
The filter bag in described defecator includes bag cage and is fixed on described bag cage and matched with described bag cage type shape, institute The quantity stating bag cage is identical with the quantity of described filter bag, is 3~6;Described bag cage is from top to bottom stratified and set on described In casing;Each described bag cage is all connected on upper box inwall by rot;It is layered the described filter bag of setting from down to up Aperture be sequentially reduced;It is provided with described injection tube above each described filter bag;Some sprays it are provided with bottom described injection tube Blow gun;The aperture of described filter is more than the aperture of all described filter bags;
Described lower box side is provided with air inlet, and lower section is provided with ash bucket;Be provided with in described upper box with described enter Air port connect gravitational precipitator, be provided with dust-exhausting port bottom described gravitational precipitator, top is provided with gas outlet, described in give vent to anger Mouth is connected with cooler.
Preferably, described filter bag surface is coated with super-hydrophobic coat.
Preferably, described super-hydrophobic coat is made up of the silicon dioxide that Kaolin and silicon fluoride are modified, described Kaolin and The mass ratio of the silicon dioxide that described silicon fluoride is modified is (92~96): (3~5).
Preferably, described silicon fluoride is tridecafluoro-n-octyltriethoxysilane, trifluoromethyl trimethylsilane, 17 fluorine last of the ten Heavenly stems One or more in ethyl triethoxy silicane alkane.
Preferably, described winding-up mouth presents the trapezoidal of short lower length, and described winding-up gonys portion is provided with porous plate.
Preferably, described air outlet is provided with purifier, is provided with chalk dust removing plate, except antibacterial plate in described purifier With degasification taste plate.
Preferably, it is provided with broken bag detector in described filter bag.
Preferably, the top surface of described upper box is umbrella parabola.
The invention have the benefit that
The present invention provide a kind of long bag and low pulse bag-type dust collecting equipment, rot so that filter bag horizontally or diagonally Arranging, during level, flue gas sequentially passes through filter bag from bottom to up, improves the filter effect of flue gas;Can be by filter bag surface during inclination The part of attachment sinks grain landing, improves ash-removal effect, it is to avoid filter bag surface sink grain when too much causing deashing filter bag be susceptible to brokenly The problem split;The aperture of the filter bag being layered setting from down to up is sequentially reduced so that filter bag can retain the granule of different-grain diameter, Improving filter effect, simultaneously in deashing process, upper strata filter bag shakes the granule fallen can be through lower floor's large aperture filter bag entrance ash Bucket.The cleaner of said structure can improve the clean-up effect of flue gas so that purified gas meets national environmental protection discharge Standard.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to Other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is the structural representation of long bag and low pulse bag-type dust collecting equipment of the present invention.
In figure:
1 upper box;2 lower boxes;3 filter bags;4 bags of cages;5 air outlets;6 air inlets;7 air accumulators;8— Escape pipe;9 pulse valves;10 injection tubes;11 pulse control instruments;12 winding-up mouths;13 ash buckets;14 filters;15— Gravitational precipitator;16 dust-exhausting ports;17 gas outlets;18 coolers;19 rots.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise Embodiment, broadly falls into the scope of protection of the invention.
As it is shown in figure 1, a kind of long bag and low pulse bag-type dust collecting equipment that the present invention provides, including upper box 1 and nowel Body 2;Filter 14 it is provided with between upper box 1 and lower box 2;Air outlet 5 and maintenance door, internal setting it is provided with on upper box 1 There are deashing device and some filter bags 3;Soot cleaning system includes air accumulator 7, the escape pipe 8 being connected with air accumulator 7, is arranged on escape pipe Some pulse valves 9 on 8, the injection tube 10 being connected with some pulse valves 9, and the Pulse Width Control being connected with pulse valve 9 signal Instrument 11;The filter bag 3 closed in defecator includes bag cage 4 and is fixed on bag cage 4 and with bag cage 4 matching form, the quantity of bag cage 4 with The quantity of filter bag 3 is identical, is 3~6;Bag cage 4 is from top to bottom stratified and set in upper box 1;Each bag of cage 4 is all by turning Dynamic device 19 is connected on upper box 1 inwall;The aperture of the filter bag 3 being layered setting from down to up is sequentially reduced;Above each filter bag 3 It is provided with injection tube 10;Some winding-up mouths 12 it are provided with bottom injection tube 10;The aperture of filter 14 is more than the hole of all filter bags 3 Footpath;Lower box 2 side is provided with air inlet 6, and lower section is provided with ash bucket 13;The weight being connected with air inlet 6 it is provided with in upper box 1 Inertia force precipitator 15, is provided with dust-exhausting port 16 bottom gravitational precipitator 15, top is provided with gas outlet 17, gas outlet 17 and cooler 18 connect.
In technique scheme, rot 19 is so that filter bag 3 is horizontally or diagonally arranged, and during level, flue gas is from bottom to up Sequentially pass through filter bag 3, improve the filter effect of flue gas;Grain landing can be sunk with the part of filter bag 3 surface attachment during inclination, improve Ash-removal effect, it is to avoid filter bag 3 surface sinks the grain problem that filter bag 3 is susceptible to rupture when too much causing deashing;It is layered from down to up The aperture of the filter bag 3 arranged is sequentially reduced so that filter bag 3 can retain the granule of different-grain diameter, improves filter effect, exists simultaneously In deashing process, the granule that upper strata filter bag 3 comes off can enter ash bucket 13 through lower floor's large aperture filter bag 3;Air inlet 6 gravity removes The setting of dirt device 15, it is possible to granule big for quality is sunk from flue gas, thus improve the clean-up effect of flue gas.
In the present embodiment, in order to improve further ash-removal effect and the service life of filter bag 3, filter bag 3 surface-coated Super-hydrophobic coat so that filter bag 3 surface sinks grain mouth 12 of only need to jetting and just can come off.Wherein, in order to reduce cost, improve super thin The adhesion strength of water coating and filter bag 3, super-hydrophobic coat is made up of the silicon dioxide that Kaolin and silicon fluoride are modified, Kaolin and The mass ratio of the silicon dioxide that silicon fluoride is modified is (92~96): (3~5), this coating contact angle on filter bag 3 surface exists More than 158.3 °, roll angle is less than 3.8 °.
In the present embodiment, silicon fluoride be tridecafluoro-n-octyltriethoxysilane, trifluoromethyl trimethylsilane, 17 One or more in fluorine decyl triethoxysilane.
In the present embodiment, in order to improve ash-removal effect, winding-up mouth 12 presents the trapezoidal of short lower length, bottom winding-up mouth 12 It is provided with porous plate.
In the present embodiment, in order to avoid filter bag 3 is damaged, affect filter effect, in filter bag 3, be provided with broken bag detection Instrument, is used for detecting whether filter bag 3 damaged condition occurs.
In the present embodiment, during in order to avoid outdoor placement and rainfall, upper box 1 top surface hydrops, cause filter bag 3 Soaking, affect efficiency of dust collection, the top surface of upper box 1 is umbrella parabola.
Additionally, in order to purify flue gas further, air outlet 5 is provided with purifier, is provided with in purifier Chalk dust removing plate, except antibacterial plate and degasification taste plate.
The operation principle of a kind of long bag and low pulse bag-type dust collecting equipment that the present invention provides is described in conjunction with Fig. 1:
During smoke filtration, rot 19 drives filter bag 3 to be in level flue gas, and flue gas is entered weight by air inlet 6 In inertia force precipitator 15, after settlement section bulky grain, gas outlet 17 enter cooler 18, flue gas is lowered the temperature, it is to avoid high temperature Under state, filter bag 3 efficiency of dust collection is low;In filter chamber subsequently into filter bag 3, and by successively filter bag 3, flue gas is filtered, powder Dirt is attached to filter bag 3 surface, purifies gas and is discharged in air by air outlet 5.Along with the increase of filtration time, gravitational precipitator 15 Being continuously increased with the dust of filter bag 3 inner surface attachment, gravitational precipitator 15 and filter bag 3 filter efficiency decrease, when dedusting sets Standby resistance rises to setting value, for ensureing that cleaner works on, needs to carry out deashing.Bulky grain in gravitational precipitator 15 Discharge from dust-exhausting port 16;Rot 19 drives heeling condition at filter bag 3, a part for filter bag 3 surface attachment to sink grain landing, remaining The compressed air that heavy grain is sprayed by mouth 12 of jetting is blown off, and dust falls into ash bucket 13.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention Within god and principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.

Claims (8)

1. a long bag and low pulse bag-type dust collecting equipment, it is characterised in that include upper box (1) and lower box (2);On described Filter (14) it is provided with between casing (1) and described lower box (2);
It is provided with air outlet (5) and maintenance door on described upper box (1), is internally provided with deashing device and defecator;Described Soot cleaning system includes air accumulator (7), the escape pipe (8) being connected with described air accumulator (7), is arranged on described escape pipe (8) Some pulse valves (9), the injection tube (10) being connected with some described pulse valves (9), and be connected with described pulse valve (9) signal Pulse control instrument (11);
The filter closed in described defecator includes a bag cage (4) and is fixed on described bag cage (4) and with described bag cage (4) matching form Bag (3), the quantity of described bag cage (4) is identical with the quantity of described filter bag (3), is 3~6;Described bag cage (4) is from top to bottom It is stratified and set in described upper box (1);Each described bag cage (4) is all connected to upper box (1) inwall by rot (19) On;The aperture of the described filter bag (3) being layered setting from down to up is sequentially reduced;Each described filter bag (3) top is respectively provided with State injection tube (10);Described injection tube (10) bottom is provided with some winding-up mouths (12);The aperture of described filter (14) is more than institute There is the aperture of described filter bag (3);
Described lower box (2) side is provided with air inlet (6), and lower section is provided with ash bucket (13);Described upper box is provided with in (1) The gravitational precipitator (15) being connected with described air inlet (6), described gravitational precipitator (15) bottom is provided with dust-exhausting port (16), top Portion is provided with gas outlet (17), and described gas outlet (17) are connected with cooler (18).
2. long bag and low pulse bag-type dust collecting equipment as claimed in claim 1, it is characterised in that described filter bag (3) surface is equal It is coated with super-hydrophobic coat.
3. long bag and low pulse bag-type dust collecting equipment as claimed in claim 2, it is characterised in that described super-hydrophobic coat is by height The silicon dioxide of ridge soil and silicon fluoride modification is constituted, and the mass ratio of the silicon dioxide of described Kaolin and the modification of described silicon fluoride is (92~96): (3~5).
4. long bag and low pulse bag-type dust collecting equipment as claimed in claim 3, it is characterised in that described silicon fluoride is ten trifluoros One or more in octyltri-ethoxysilane, trifluoromethyl trimethylsilane, 17 fluorine decyl triethoxysilanes.
5. long bag and low pulse bag-type dust collecting equipment as claimed in claim 1, it is characterised in that described winding-up mouth (12) is presented Short lower length trapezoidal, described winding-up mouth (12) bottom is provided with porous plate.
6. long bag and low pulse bag-type dust collecting equipment as claimed in claim 1, it is characterised in that described air outlet (5) is arranged There is purifier, be provided with chalk dust removing plate in described purifier, except antibacterial plate and degasification taste plate.
7. long bag and low pulse bag-type dust collecting equipment as claimed in claim 1, it is characterised in that arrange in described filter bag (3) There is broken bag detector.
8. long bag and low pulse bag-type dust collecting equipment as claimed in claim 1, it is characterised in that the top of described upper box (1) Surface, portion is umbrella parabola.
CN201610769866.8A 2016-08-29 2016-08-29 A kind of long bag and low pulse bag-type dust collecting equipment Pending CN106215559A (en)

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CN201610769866.8A CN106215559A (en) 2016-08-29 2016-08-29 A kind of long bag and low pulse bag-type dust collecting equipment

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Application Number Priority Date Filing Date Title
CN201610769866.8A CN106215559A (en) 2016-08-29 2016-08-29 A kind of long bag and low pulse bag-type dust collecting equipment

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112023547A (en) * 2020-09-04 2020-12-04 临泉县由基食品有限公司 Efficient pulse dust collector and working method thereof

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112023547A (en) * 2020-09-04 2020-12-04 临泉县由基食品有限公司 Efficient pulse dust collector and working method thereof
CN112023547B (en) * 2020-09-04 2022-05-03 临泉县由基食品股份有限公司 Efficient pulse dust collector and working method thereof

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Application publication date: 20161214