CN206730785U - Integrated multistage cleaner - Google Patents
Integrated multistage cleaner Download PDFInfo
- Publication number
- CN206730785U CN206730785U CN201720592697.5U CN201720592697U CN206730785U CN 206730785 U CN206730785 U CN 206730785U CN 201720592697 U CN201720592697 U CN 201720592697U CN 206730785 U CN206730785 U CN 206730785U
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- Prior art keywords
- cylinder
- discharge pipe
- integrated multistage
- ash bucket
- changeover portion
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Abstract
It the utility model is related to a kind of integrated multistage cleaner, including cyclone dust collectors, the cyclone dust collectors include cylinder, with the top for being arranged on the cylinder and the discharge pipe of the inner barrel is stretched into, wherein, the top insulation of the discharge pipe and the cylinder connects, and multiple electric discharge prickles are additionally provided with the discharge pipe, after application of a voltage, the discharge pipe forms sparking electrode, and the cylinder forms collecting plate.The integrated multistage cleaner, not only realize and different types of deduster is combined as a whole to ensure the purpose of efficiency of dust collection, so that composite duster structure more compact and reasonable, the flow of flue gas greatly shortens, therefore the pressure loss reduces, this is highly beneficial for reducing energy consumption, while the installing space shared by composite duster is also substantially reduced, and improves flexibility and the convenience of equipment installation.
Description
Technical field
Environmental protection equipment design and manufacturing technology field is the utility model is related to, is set more particularly, to a kind of integrated multistage dedusting
It is standby.
Background technology
The haze weather that various regions are increasingly increased at present brings immeasurable influence to the life health of people, administers big
Gas pollutes the extensive concern for having caused the whole society.
Contain more particulate matter in the gas given off in coal-fired industry, constitute Atmospheric Particulate Matter
Important pollution sources, in order to remove the gas that coal-fired industry is given off, multistage cleaner is used in industry at present in flue gas
Dust granules be removed.
Multistage cleaner is also referred to as composite duster, generally include electrostatic dust collection equipment and with electrostatic dust collection equipment string
Join the cyclone dust removal equipment set, in order to avoid secondary pollution problem caused by traditional vibration dust-cleaning mode, industry energy at present
Generally use wet static dedusting mode, the dust on collecting plate is rinsed well using moisture film.
However, composite duster used in industry is only by two or more different types of dedusters at present
It is composed in series, this causes, and the flow of flue gas is very long, and the pressure loss is larger, therefore energy consumption is higher；Different types of removed in addition, a variety of
The composite duster formed after the series connection of dirt device is sufficiently bulky, is not easy very much to be laid out during actual installation, can occupy
Substantial amounts of installing space.
Utility model content
The purpose of this utility model is to provide a kind of integrated multistage cleaner, so that one side can effectively improve cigarette
Particulate pollutant removal efficiency in gas, the volume of composite duster is on the other hand effectively reduced, so as to reduce composite duster
Shared installing space.
To reach above-mentioned purpose, integrated multistage cleaner provided by the utility model, including cyclone dust collectors, institute
Stating cyclone dust collectors includes cylinder, and is arranged on the top of the cylinder and stretches into the discharge pipe of the inner barrel, wherein, institute
The top insulation for stating discharge pipe and the cylinder is connected, and multiple electric discharge prickles are additionally provided with the discharge pipe, is applying electricity
After pressure, the discharge pipe forms sparking electrode, and the cylinder forms collecting plate.
Preferably, in addition to it is arranged on the cylinder, and for forming the spraying dress of moisture film on the cylinder inboard wall
Put, the tangential direction of the fog outlet in the sprayer unit towards the cylinder inboard wall is set.
Preferably, the cylinder is respectively from top to bottom air inlet section, changeover portion and ash bucket section, wherein the air inlet section is in circle
Column, the changeover portion and the ash bucket section are big end upward cone-shaped, and the pyramid side inclination angle of the changeover portion
Side angle of inclination of the degree less than the ash bucket section.
Preferably, a diameter of D of the air inlet section0, a diameter of d of the discharge pipec, described in the cylinder
The height of discharge pipe is hc, the height sum of the air inlet section and the changeover portion is h, the air inlet section, changeover portion and described
The total height of ash bucket section is H, and the air intake open heights of the cyclone dust collectors is a, width b, the outlet diameter of the ash bucket section
For D2, wherein, a=(0.4-0.75) D0, b=(0.2-0.5) D0, hc=(0.3-0.75) D0, h=(1.5-2) D0, H-h=(2-
2.5)D0, dc=(0.3-0.5) D0, D2=(0.15-0.4) D0, the angle between the side of the ash bucket section and vertical plane is α,
Wherein, 13 °≤α≤15 °.
Preferably, the angle between the side of the changeover portion and vertical plane is β, wherein, 3 °≤β≤8 °.
Preferably, continuous or segmented deflector is additionally provided with the outer wall of the discharge pipe, the deflector is by described
Untill the upper end of discharge pipe originates, and the discharge pipe circular in the shape of a spiral extends to the lower end of the discharge pipe.
Preferably, the electric discharge prickle is arranged on the deflector.
Preferably, after applying voltage, the potential of the cylinder is 0, and the potential of the discharge pipe is -55Kv-65Kv.
As can be seen from the above technical solutions, the multistage cleaner disclosed in the utility model is by cyclone dust collector
Combined with electrostatic precipitator, and using the discharge pipe of cyclone dust collector as the sparking electrode of electrostatic precipitator, with whirlwind
Collecting plate of the cylinder of formula deduster as electrostatic precipitator, cleverly the cylinder to cyclone dust collector and discharge pipe are carried out
Dual utilization, the external dimensions of the actual only cyclone dust collectors of external dimensions of whole multistage rotary dust collector, relative to mesh
For preceding composite duster, the integrated multistage cleaner in the utility model, not only realize and removed different types of
Dirt device is combined as a whole to ensure the purpose of efficiency of dust collection, so that composite duster structure more compact and reasonable, flue gas
Flow greatly shorten, therefore the pressure loss reduces, this is highly beneficial for reducing energy consumption, while shared by composite duster
Installing space is also substantially reduced, and improves flexibility and the convenience of equipment installation.
Brief description of the drawings
Fig. 1 is that the half-section diagram of the integrated multistage cleaner disclosed in the utility model embodiment (is not shown
Discharge prickle)；
Fig. 2 is the integrated multistage cleaner each several part size marking schematic diagram shown in Fig. 1；
Fig. 3 is the discharge pipe structural representation of the integrated multistage cleaner disclosed in the utility model embodiment.
Wherein, 1 is cylinder, and 2 be discharge pipe, and 11 be air inlet section, and 12 be changeover portion, and 13 be ash bucket section, and 3 be electric discharge prickle, 4
For deflector.
Embodiment
Core of the present utility model is to provide a kind of integrated multistage cleaner, and cigarette can be effectively improved to one side
Particulate pollutant removal efficiency in gas, the volume of composite duster is on the other hand effectively reduced, so as to reduce composite duster
Shared installing space.
In order that those skilled in the art more fully understand the utility model, below in conjunction with the accompanying drawings and it is embodied
The utility model is described in further detail for mode.
It refer to Fig. 1 to Fig. 3, the multistage cleaner disclosed in the utility model, including cyclone dust collectors, the whirlwind
Deduster includes the cylinder 1 as shell, and the discharge pipe 2 for being arranged on the top of cylinder 1 and stretching into inside cylinder 1, discharge pipe 2
Effect be to discharge gas Jing Guo dedusting in cyclone dust collectors, it is generally the case that discharge pipe 2 is arranged at the top of cylinder 1
Center, in addition, insulation processing also is done to the link position between discharge pipe 2 and the top of cylinder 1 in the present embodiment, has made row
Insulation connection is formed between outlet pipe 2 and cylinder 1, multiple electric discharge prickles 3 are provided with discharge pipe 2, incorporated by reference to Fig. 1 and Fig. 3, when
After applying voltage between discharge pipe 2 and housing, dedusting electric field is formed between discharge pipe 2 and housing, and discharge pipe 2 is together with it
The electric discharge prickle 3 of upper setting forms sparking electrode, and cylinder 1 forms the collecting plate for dust aggregation.
Multistage cleaner disclosed in above-described embodiment combines cyclone dust collector and electrostatic precipitator, and
Using the discharge pipe 2 of cyclone dust collector as the sparking electrode of electrostatic precipitator, electrostatic is used as using the cylinder 1 of cyclone dust collector
The collecting plate of deduster, cleverly the cylinder 1 to cyclone dust collector and discharge pipe 2 carried out dual utilization, whole multistage is removed
The external dimensions of the actual only cyclone dust collectors of external dimensions of dirt device, for current composite duster,
Integrated multistage cleaner in above-described embodiment, not only realize and different types of deduster is combined as a whole to ensure
The purpose of efficiency of dust collection, so that composite duster structure more compact and reasonable, the flow of flue gas greatly shorten, pressure damage
Lose and therefore reduce, this is highly beneficial for reducing energy consumption, while the installing space shared by composite duster is also substantially reduced, and is carried
The flexibility of high equipment installation and convenience.
Gas treatment is carried out using the integrated multistage cleaner disclosed in above-described embodiment, gas is from cyclone dust removal
The air inlet of device tangentially enters cyclone dust collectors, and dust reaches collecting plate under the double action of electric field force and centrifugal force, in order to
Ensureing the integrated multistage deduster can continue efficiently to handle gas, it is necessary to which removing is gathered on collecting plate in time
Dust.A kind of reset mode is to use vibration type reset mode, but this kind of reset mode easily cause dust produce it is secondary
Fly upward, trigger the secondary pollution of gas, applicant makes to the integrated multistage cleaner disclosed in above-described embodiment for this
Further improvement.
Specifically, being also provided with sprayer unit on cylinder 1, the main function of the sprayer unit is into cylinder 1
Sprayed water on wall, to make to be formed the moisture film flowed from top to down on the inwall of cylinder 1, moisture film persistently washes away to the inwall of cylinder 1
The dust assembled on cylinder 1 can be timely and effectively removed, while secondary fly-up will not also occur for dust, avoid clear in dust
The secondary pollution situation triggered during removing occurs；Further, the fog outlet in sprayer unit is towards the inwall of cylinder 1
Tangential direction is set, and this kind of set-up mode causes inwall shape of the moisture film along cylinder 1 in the presence of initial velocity and acceleration of gravity
Into the moisture film of downward spiral, in the presence of centrifugal force (inertia force), moisture film can be close to the inwall of cylinder 1, moisture film and the inwall of cylinder 1
Between resistance increase, and the cyclonic air flow in the cyclone dust collectors is close to moisture film under the influence of centrifugal force, gas-liquid two-phase
Between resistance can also increase, and moisture film resistance increase just can effectively reduce rupture event, avoid current from bifurcated occur, guarantor
Moisture film is uniform and lasting is covered on the inwall of cylinder 1 for card, the dust assembled on the inwall of cylinder 1 by with the flowing of moisture film and
It is eliminated, ultimately forms mud discharge.
In fact, the cylinder 1 of general cyclone dust collectors is generally divided into two sections, the two sections under upper at present
Respectively air inlet section and ash bucket section, air inlet section is cylindrical, and ash bucket section is tapered, due to ash bucket outlet diameter compared with
Small, this causes the inclination angle of whole ash bucket section inclined plane larger, however, applicant is by carefully studying discovery, moisture film from
During up to lower trickling, the angle of inclination of wall is bigger, then the stability of moisture film is poorer, and moisture film is easier to be broken
The situation with bifurcated is split, this will form " channel " and dry spot point on the inwall of cylinder 1.In order to solve the above problems, this implementation
Also the cylinder 1 of cyclone dust collectors is improved in technical scheme disclosed in example, after improvement, cylinder 1 is by up to
It is respectively down air inlet section 11, changeover portion 12 and ash bucket section 13, air inlet section 11 is cylindrical, and changeover portion 12 and ash bucket section 13 are big
Upwards cone-shaped is held, and the pyramid side angle of inclination of changeover portion 12 is less than the side angle of inclination of ash bucket section 13, such as Fig. 1
Shown in Fig. 2.It will be appreciated to those of skill in the art that increase changeover portion 12 between air inlet section 11 and ash bucket section 13,
And when setting the cone that changeover portion 12 is small angle of inclination, the change at the inclination angle of cylinder 1 from top to bottom will tend to relax, this
It is possible to prevente effectively from the phenomenon of water break occurs, the stability of moisture film ensure that.
Fig. 2 is refer to, in order to ensure multistage cleaner that cyclone dust collectors and electrostatic precipitator formed after combining
Efficiency of dust collection to the physical dimension of deduster various pieces, it is necessary to carry out relatively reasonable design, in the present embodiment, cylinder 1
Air inlet section 11 a diameter of D0, a diameter of d of discharge pipe 2c, the height of the discharge pipe 2 in cylinder 1 is hc, air inlet section 11
Height sum with changeover portion 12 is h, and the total height of air inlet section 11, changeover portion 12 and ash bucket section 13 is H, and cyclone dust collectors enter
Air port is highly a, and width b, the outlet diameter of ash bucket section 13 is D2, wherein, a=(0.4-0.75) D0, b=(0.2-0.5)
D0, hc=(0.3-0.75) D0, h=(1.5-2) D0, H-h=(2-2.5) D0, dc=(0.3-0.5) D0, D2=(0.15-0.4)
D0, the angle between the side of ash bucket section 13 and vertical plane is α, wherein, 13 °≤α≤15 °, the angle of inclination of changeover portion 12 is small
In the angle of inclination of ash bucket section 13, by analysis and designing, the angle between the side of changeover portion 12 and vertical plane is β, wherein,
3°≤β≤8°。
Deduster disclosed in the utility model embodiment is three strong rotating turbulences, and flow field is extremely complex, using reality
The more difficult measurement flow field of means is tested, can be drawn by numerical simulation, after gas enters cyclone dust collectors, then is flowed downward, shape
Into the vortex flow of outer layer, after gas reaches bottom, then transfer to flow up, form internal upward eddy motion；Discharging
The bottom portion air velocity of pipe 2 is larger, and turbulence level is most strong, and the central area of cyclone dust collectors forms a gaseous core post.Whirlwind
Main flow is Double layer spiral flow in deduster, and outside is rotated down, and center rotates up, and direction of rotation is identical.In addition, in master
Letter is accompanied by local secondary stream on stream, and a portion gas moves upwards after being entered by air inlet along the inwall of cylinder 1, in cylinder
Flowed downward again along the outer wall of discharge pipe 2 at 1 top, the longitudinal turbulence formed in annular space, the longitudinal turbulence forms main
Secondary vortex flow, this longitudinal turbulence can be carried upward to the particle collected on cylinder 1 at top plate formation " upper dust-ring "
And it can not separate；Some gas has been directly entered blast pipe from air inlet inlet port, forms short-circuit flow, short-circuit flow
Directly dust is brought into discharge pipe 2 and reduces separative efficiency.
In order to improve separative efficiency, applicant is improved the discharge pipe 2 of cyclone separator, as shown in Figure 3, row
Continuous or segmented deflector 4 is additionally provided with the outer wall of outlet pipe 2, deflector 4 is originated by the upper end of discharge pipe 2, in spiral shell
Untill rotation shape extends to the lower end of discharge pipe 2 around discharge pipe 2.Preferably, electric discharge prickle 3 is arranged on deflector 4.Gas
Circumference after flowing from air inlet into cyclone dust collectors in the presence of spiral deflector 4 by transform linear motion for downward spiral
Motion, dusty gas produces very big centrifugal force in rotary course, because the density ratio air of dust is big, therefore the ash rotated
Dirt is got rid of from air-flow to cylinder 1 under the influence of centrifugal force, and dust granules radially divide during rotating separation due to existing
The effect of speed can produce the radial motion of ecto-entad, but the dust inwardly moved due to the presence of the deflector 4 of screw type
Grain can only fall on deflector 4, and the air-flow that these dust granules are rotated at a high speed is kicked up again to be continued to separate, without with interior gas
Stream discharge.Therefore screw type prickle discharging pole can effectively solve the removal efficiency drop caused by " upper dust-ring " and " short-circuit flow "
The problem of low.
It is right when the electrical potential difference between discharge pipe 2 and cylinder 1 is designed as into 55 kilovolts to 65 kilovolts by experimental verification
PM10, PM2.5 even PM1 removal efficiency can reach more than 90%, and with the increase of particle diameter, efficiency of dust collection
Increase；When the potential of discharge pipe 2 is -55 kilovolts, when cylinder 1 is grounded, 100% even can be reached to PM10 removal efficiency.
It is possible thereby to verify, compact-sized, the design conjunction of the integrated multistage cleaner disclosed in the utility model
Reason, efficiency of dust collection are high.
The integrated multistage cleaner in the utility model is described in detail above.It is used herein specifically
Individual example is set forth to principle of the present utility model and embodiment, and the explanation of above example is only intended to help and understands this
The method and its core concept of utility model.It should be pointed out that for those skilled in the art, do not departing from
On the premise of the utility model principle, some improvement and modification can also be carried out to the utility model, these are improved and modification
Fall into the protection domain of the utility model claims.
Claims (8)
1. a kind of integrated multistage cleaner, it is characterised in that including cyclone dust collectors, the cyclone dust collectors include cylinder
(1), and it is arranged on the top of the cylinder (1) and stretches into the internal discharge pipe (2) of the cylinder (1), wherein, the discharge pipe
(2) the top insulation with the cylinder (1) is connected, and multiple electric discharge prickles (3) are additionally provided with the discharge pipe (2), is being applied
After making alive, the discharge pipe (2) forms sparking electrode, and the cylinder (1) forms collecting plate.
2. integrated multistage cleaner according to claim 1, it is characterised in that also include being arranged on the cylinder
(1) on, and it is used for the sprayer unit that moisture film is formed on the cylinder (1) inwall, the fog outlet direction in the sprayer unit
The tangential direction of cylinder (1) inwall is set.
3. integrated multistage cleaner according to claim 2, it is characterised in that the cylinder (1) is from top to bottom divided
Not Wei air inlet section (11), changeover portion (12) and ash bucket section (13), wherein the air inlet section (11) is cylindrical, the changeover portion
(12) and the ash bucket section (13) is big end upward cone-shaped, and the pyramid side angle of inclination of the changeover portion (12) is small
In the side angle of inclination of the ash bucket section (13).
4. integrated multistage cleaner according to claim 3, it is characterised in that the air inlet section (11) it is a diameter of
D0, a diameter of d of the discharge pipe (2)c, the height of the discharge pipe (2) in the cylinder (1) is hc, the air inlet
Section (11) and the height sum of the changeover portion (12) are h, the air inlet section (11), changeover portion (12) and the ash bucket section (13)
Total height be H, the air intake open heights of the cyclone dust collectors is a, width b, and the outlet diameter of the ash bucket section (13) is
D2, wherein, a=(0.4-0.75) D0, b=(0.2-0.5) D0, hc=(0.3-0.75) D0, h=(1.5-2) D0, H-h=(2-
2.5)D0, dc=(0.3-0.5) D0, D2=(0.15-0.4) D0, the angle between the side of the ash bucket section (13) and vertical plane
For α, wherein, 13 °≤α≤15 °.
5. integrated multistage cleaner according to claim 4, it is characterised in that the side of the changeover portion (12) with
Angle between vertical plane is β, wherein, 3 °≤β≤8 °.
6. according to the integrated multistage cleaner described in claim 1-5 any one, it is characterised in that the discharge pipe
(2) continuous or segmented deflector (4) is additionally provided with outer wall, the deflector (4) is by the upper end of the discharge pipe (2)
Begin, and untill extending to the lower end of the discharge pipe (2) around the discharge pipe (2) in the shape of a spiral.
7. integrated multistage cleaner according to claim 6, it is characterised in that the electric discharge prickle (3) is arranged at
On the deflector (4).
8. integrated multistage cleaner according to claim 1, it is characterised in that after applying voltage, the cylinder (1)
Potential be 0, the potential of the discharge pipe (2) is -55Kv-65Kv.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720592697.5U CN206730785U (en) | 2017-05-25 | 2017-05-25 | Integrated multistage cleaner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720592697.5U CN206730785U (en) | 2017-05-25 | 2017-05-25 | Integrated multistage cleaner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206730785U true CN206730785U (en) | 2017-12-12 |
Family
ID=60566704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720592697.5U Expired - Fee Related CN206730785U (en) | 2017-05-25 | 2017-05-25 | Integrated multistage cleaner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206730785U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115364581A (en) * | 2022-08-19 | 2022-11-22 | 煤炭科学研究总院有限公司 | Dust remover and anchor rod machine that has it |
-
2017
- 2017-05-25 CN CN201720592697.5U patent/CN206730785U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115364581A (en) * | 2022-08-19 | 2022-11-22 | 煤炭科学研究总院有限公司 | Dust remover and anchor rod machine that has it |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171212 |