CN104289044B - Cyclone separating device with super-clean emission and smoke purification system of coal-fired power plant - Google Patents
Cyclone separating device with super-clean emission and smoke purification system of coal-fired power plant Download PDFInfo
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- CN104289044B CN104289044B CN201410466685.9A CN201410466685A CN104289044B CN 104289044 B CN104289044 B CN 104289044B CN 201410466685 A CN201410466685 A CN 201410466685A CN 104289044 B CN104289044 B CN 104289044B
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- Prior art keywords
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- rotary
- housing
- cyclone separator
- clean discharge
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- 239000000779 smoke Substances 0.000 title abstract description 7
- 238000000746 purification Methods 0.000 title abstract description 5
- 230000003009 desulfurizing effect Effects 0.000 claims abstract description 15
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 38
- 239000003546 flue gas Substances 0.000 claims description 38
- 239000000428 dust Substances 0.000 claims description 28
- 238000007789 sealing Methods 0.000 claims description 19
- 238000004140 cleaning Methods 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 11
- 238000011144 upstream manufacturing Methods 0.000 claims description 7
- 230000008676 import Effects 0.000 claims description 3
- 238000007747 plating Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000010865 sewage Substances 0.000 abstract 3
- 238000007599 discharging Methods 0.000 abstract 1
- 239000007787 solid Substances 0.000 description 14
- 239000002245 particle Substances 0.000 description 13
- 241000196324 Embryophyta Species 0.000 description 9
- 238000000926 separation method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000003599 detergent Substances 0.000 description 3
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 238000005367 electrostatic precipitation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
- 239000001117 sulphuric acid Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
- B01D45/14—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by rotating vanes, discs, drums or brushes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Cyclones (AREA)
- Separating Particles In Gases By Inertia (AREA)
Abstract
The invention discloses a cyclone separating device with super-clean emission. The cyclone separating device is mounted on a smoke channel at the downstream of a desulfurizing tower of the coal-fired power plant and comprises a shell, a screw blade and a sewage draining device, wherein the shell is of a cylindrical structure and is communicated with the smoke channel; the screw blade is fixed in the shell; the sewage draining device is arranged at the downstream of the screw blade and is communicated with the shell; the cyclone separating device also comprises a rotary centrifugal demister; the rotary centrifugal demister is arranged at the downstream of the sewage discharging device. The cyclone separating device is ingenious in design, simple in structure, low in manufacturing cost and convenient to popularize and implement; a large amount of energy does not need to be wasted; and the smoke purification system is capable of purifying the smoke discharged by the coal-fired power plant until the smoke meets the requirement that PM is less than 4.5mg/Nm<3>.
Description
Technical field
The present invention relates to the filed of flue gas purification of coal-burning power plant, particularly a kind of ultra-clean discharge cyclone separator and fire coal
Power-plant flue gas cleaning system.
Background technology
The life and health given people with becoming increasingly conspicuous for China's problem of environmental pollution, especially haze weather brings
Increasingly serious impact, it is necessary to further reduce the discharge of pollutant, fume emission of the national environmental protection portion to coal fired power generation industry
More strict discharge standard has been put into effect,《Fossil-fuel power plant atmospheric pollutant emission standard (GB13223-2011)》Regulation key area
Emission limit：PM≤20mg/Nm3、SO2≤30mg/Nm3、NOx≤100mg/Nm3。
Ash-laden gas after at present coal-fired power plant's boiler combustion out after electrostatic precipitation or bag-type dust, then
Wash through the water smoke of desulfurizing tower, discharge capacity is still very high, the even as high as 70mg/Nm having3More than.Now, it is domestic
Propulsion wet-esp, its power consumption is very big, accounts for 0.4% station service, 10 tons of separate unit water consumption/when more than, while through 1
The hardened problem produced after year will affect the efficiency of dedusting, and cost is very high.Therefore, the flue gas of coal-burning power plant is improved
Clean-up effect, reduction coal-fired plant flue gas purification cost become problem demanding prompt solution.
The content of the invention
It is an object of the present invention to provide a kind of ultra-clean discharge cyclone separator and coal-fired plant flue gas cleaning system,
The present invention designs ingenious, low cost of manufacture, and dust removing effects can make completely coal-burning power plant's discharge flue gas meet PM<4.5mg/Nm3
Requirement.And while solve the emission problem of sulphuric acid rain and gypsum rain.The particulate matter row of national environmental protection portion requirement can be fully met
Put standard.
To solve above-mentioned technical problem, the present invention is adopted the following technical scheme that：
A kind of ultra-clean discharge cyclone separator, on the flue in Desulphurization for Coal-fired Power Plant tower downstream, including throughflow type
Cyclone blade separator and rotary and centrifugal demister, throughflow type cyclone blade separator includes housing, helical blade and blowdown
Device, housing is tubular structure, and housing is connected with the flue, and helical blade is fixed in housing, and blowdown apparatus are arranged on
The downstream of helical blade, blowdown apparatus are connected with housing, and also including rotary and centrifugal demister, rotary and centrifugal demister sets
Put in the downstream of blowdown apparatus.By the separation that the present invention is arranged on the flue between the desulfurizing tower and chimney of coal-burning power plant
Device, flue gas when through helical blade, the flue gas helical rotation in the presence of helical blade, the drop and solid particle in flue gas
Deviate its spiral helicine tracks under the influence of centrifugal force, the drop and solid particle being separated is received by blowdown apparatus
Collection, and derive from housing.When flue gas is through rotary and centrifugal demister, rotary and centrifugal demister is again in flue gas
Droplet is separated, can according to operating mode need multiple helical blades, blowdown apparatus or rotary and centrifugal demister are set, with
Reach higher detergent power.Jing actual tests, can be by flue gas 99.5% drop and solid particle using this separator
Separate from coal-fired plant flue gas.
In aforesaid ultra-clean discharge cyclone separator, blowdown apparatus are arranged on housing, and blowdown apparatus include that annular is recessed
Groove, ring baffle and dust arrester installation, annular groove is arranged on the downstream of helical blade, and ring baffle covers annular groove, annular
Baffle plate is provided with blowdown sealing, and dust arrester installation is connected with annular groove.The length and width of blowdown sealing can be arbitrary.
This separator drop out and solid particle clash under the influence of centrifugal force housing, when through blowdown sealing, solid
Grain and drop can from blowdown sealing enter annular groove in, then from annular groove enter dust arrester installation in so that drop and
Solid particle thoroughly departs from the movement locus of flue gas, prevents it from entering in the middle of air, to environment.
In aforesaid ultra-clean discharge cyclone separator, the import and export of the blowdown sealing tangential rotary arrangement on housing.
In aforesaid ultra-clean discharge cyclone separator, radial direction of the blowdown sealing along housing.
In aforesaid ultra-clean discharge cyclone separator, rotary and centrifugal demister includes shell, rotor and rotary shaft, turns
Son is arranged on inside the shell, and rotor is installed on the rotating shaft, and shell is provided with equally distributed mudhole, with mudhole correspondence position
Housing be provided with the dust chamber of annular, dust chamber is provided with blow-off pipe, and blow-off pipe is connected with dust chamber.When flue gas is through revolving
During rotatable centrifugal demister, the droplet in flue gas is attached on the rotor of rotary and centrifugal demister, rotor high-speed rotation, attachment
Droplet on rotor is got rid of under the influence of centrifugal force place, and from mudhole dust chamber is entered, and is then expelled to finger from dust chamber
Positioning is put, so as to the droplet in flue gas be separated from flue gas.
Used as another kind of embodiment, in aforesaid ultra-clean discharge cyclone separator, rotor is by multiple for stacking
Silk screen or corrugated plating are constituted, and one end of rotary shaft is connected with driving means.By arranging driving means for rotor, driving means are
The rotation of rotor provides power, and rotor quickly can be thrown away with high-speed rotation, the droplet adhered on rotor from mudhole,
Improve separation efficiency.
Used as another embodiment, in aforesaid ultra-clean discharge cyclone separator, rotor is spiral fan blades.Spiral
Fan blades can rotate in the presence of flue gas without power set, similar to windmill, it is possible to reduce peripheral hardware and power consumption.
In aforesaid ultra-clean discharge cyclone separator, pipe is provided between helical blade and rotary and centrifugal demister,
One end of pipe is located at the downstream of helical blade, and the other end is located at the upstream of rotary and centrifugal demister.Pipe can pass through ten
The support of font either rice font is fixed in housing or in flue, and pipe is fixed on the centre of cross or rice font,
The assistance to improve schooling in backward areas of support is fixed on housing or flue.The effect of pipe be make housing interior air-flow rotation tend towards stability, be easy to from
Droplet therein and solid particle are separated in the presence of the heart.And in one end of pipe cleanout fluid can be injected so as to reach
To the effect of cleaning rotary and centrifugal demister.
In aforesaid ultra-clean discharge cyclone separator, pipe is coaxially disposed with housing, and pipe is provided with plectane, and plectane covers
Near the opening of rotary and centrifugal demister one end, plectane is provided with equally distributed open-work to lid pipe.
Present invention also offers a kind of coal-fired plant flue gas cleaning system, including desulfurizing tower and chimney, desulfurizing tower and chimney
Between be connected by flue, also including above-described ultra-clean discharge cyclone separator, ultra-clean discharge cyclone separator
It is arranged in parallel in the flue.The multiple ultra-clean discharge cyclone separators of setting in parallel can not reduce separation property
The separation efficiency of flue gas in coal-burning power plant is improved on the premise of energy.
Present invention also offers a kind of coal-fired plant flue gas cleaning system, including desulfurizing tower and chimney, desulfurizing tower and chimney
Between be connected by flue, also including above-described ultra-clean discharge cyclone separator, ultra-clean discharge cyclone separator
It is arranged in series in the flue.Can more thoroughly by combustion by the multiple ultra-clean discharge cyclone separators of the setting connected
Solid particle and drop separation in the flue gas that coal-fired plant produces is out.
Compared with prior art, the present invention designs ingenious, simple structure, cheap for manufacturing cost, is easy to popularization to implement.And
Pipe is set between helical blade and rotary and centrifugal demister, and pipe can make inside the shell flow of flue gas tend towards stability, there is steady
The effect in whirlpool, and it is possible to inject detergent at the one end open of helical blade, detergent flows into the rotary of downstream
Centrifugal demister, so as to clean difficult cleaning of rotary and centrifugal demister, makes the performance of rotary and centrifugal demister more steady
It is fixed.And need not expend the substantial amounts of energy, and the gas cleaning that can be discharged coal-burning power plant completely is to meeting PM<4.5mg/
The requirement of Nm3.
Description of the drawings
Fig. 1 is a kind of structural representation of embodiment of the present invention；
Fig. 2 is a kind of sectional view of embodiment of blowdown apparatus；
Fig. 3 is a kind of set-up mode schematic diagram of embodiment of blowdown sealing；
Fig. 4 is the set-up mode schematic diagram of another kind of embodiment of blowdown sealing；
Fig. 5 is the structural representation of another kind of embodiment of the present invention；
Fig. 6 is the set-up mode schematic diagram of another embodiment of blowdown sealing；
Fig. 7 is a kind of structural representation of embodiment of pipe；
Fig. 8 is a kind of set-up mode schematic diagram of embodiment of rotor；
Fig. 9 is the set-up mode schematic diagram of another kind of embodiment of rotor；
Figure 10 is the set-up mode schematic diagram of another embodiment of rotor.
Reference：1- housings, 2- helical blades, 3- blowdown apparatus, 4- annular grooves, 5- pipes, 6- rotary and centrifugals
Demister, 7- shells, 8- blowdown sealings, 9- plectanes, 10- open-works, 13- ring baffles, 14- rotors, 15- rotary shafts, 16- gathers dust
Room, 17- blow-off pipes, 18- dust arrester installations.
With reference to the accompanying drawings and detailed description the present invention is further illustrated.
Specific embodiment
Embodiments of the invention 1：As shown in figure 1, a kind of ultra-clean discharge cyclone separator, installed in Desulphurization for Coal-fired Power Plant
On the flue in tower downstream, including throughflow type cyclone blade separator and rotary and centrifugal demister 6, the separation of throughflow type cyclone blade
Device includes housing 1, helical blade 2 and blowdown apparatus 3, and housing 1 is tubular structure, and housing 1 is connected with the flue, helical-blade
Piece 2 is fixed in housing 1, and blowdown apparatus 3 are arranged on the downstream of helical blade 2, and blowdown apparatus 3 are connected with housing 1, also include
Rotary and centrifugal demister 6, rotary and centrifugal demister 6 is arranged on the downstream of blowdown apparatus 3.In the present embodiment, housing 1 is circle
Tubular.
As shown in Fig. 2 blowdown apparatus 3 are arranged on housing 1, blowdown apparatus 3 include annular groove 4, the and of ring baffle 13
Dust arrester installation 18, annular groove 4 is arranged on the downstream of helical blade 2, and ring baffle 13 covers annular groove 4, ring baffle 13
Blowdown sealing 8 is provided with, dust arrester installation 18 is connected with annular groove 4.
As shown in figure 3, the import and export of blowdown sealing 8 tangential rotary arrangement on housing 1.Blowdown sealing 8 is not in shell
Body radially or axially, but with it is radially or axially angled.Blind shaped can also be configured similarly to, be such as schemed
Shown in 4.
As shown in figure 5, being provided with pipe 5 between helical blade 2 and rotary and centrifugal demister 6, one end of pipe 5 is located at spiral shell
The downstream of vane piece 2, the other end is located at the upstream of rotary and centrifugal demister 6.
As shown in fig. 7, pipe 5 is coaxially disposed with housing 1, pipe 5 is provided with plectane 9, and plectane 9 covers pipe 5 near rotation
The opening of the one end of rotatable centrifugal demister 6, plectane 9 is provided with equally distributed open-work 10.
Embodiment 2：As shown in figure 1, a kind of ultra-clean discharge cyclone separator, installed in Desulphurization for Coal-fired Power Plant tower downstream
On flue, including throughflow type cyclone blade separator and rotary and centrifugal demister 6, throughflow type cyclone blade separator includes shell
Body 1, helical blade 2 and blowdown apparatus 3, housing 1 is tubular structure, and housing 1 is connected with the flue, and helical blade 2 is fixed
In housing 1, blowdown apparatus 3 are arranged on the downstream of helical blade 2, and blowdown apparatus 3 are connected with housing 1, also including rotary
Centrifugal demister 6, rotary and centrifugal demister 6 is arranged on the downstream of blowdown apparatus 3.Housing 1 is square tubular in the present embodiment.
As shown in Fig. 2 blowdown apparatus 3 are arranged on housing 1, blowdown apparatus 3 include annular groove 4, the and of ring baffle 13
Dust arrester installation 18, annular groove 4 is arranged on the downstream of helical blade 2, and ring baffle 13 covers annular groove 4, ring baffle 13
Blowdown sealing 8 is provided with, dust arrester installation 18 is connected with annular groove 4.
As shown in fig. 6, radial direction of the blowdown sealing 8 along housing 1.
As shown in figure 5, being provided with pipe 5 between helical blade 2 and rotary and centrifugal demister 6, one end of pipe 5 is located at spiral shell
The downstream of vane piece 2, the other end is located at the upstream of rotary and centrifugal demister 6.
As shown in fig. 7, pipe 5 is coaxially disposed with housing 1, pipe 5 is provided with plectane 9, and plectane 9 covers pipe 5 near rotation
The opening of the one end of rotatable centrifugal demister 6, plectane 9 is provided with equally distributed open-work 10.
Embodiment 3：As shown in figure 1, a kind of ultra-clean discharge cyclone separator, installed in Desulphurization for Coal-fired Power Plant tower downstream
On flue, including throughflow type cyclone blade separator and rotary and centrifugal demister 6, throughflow type cyclone blade separator includes shell
Body 1, helical blade 2 and blowdown apparatus 3, housing 1 is tubular structure, and housing 1 is connected with the flue, and helical blade 2 is fixed
In housing 1, blowdown apparatus 3 are arranged on the downstream of helical blade 2, and blowdown apparatus 3 are connected with housing 1, also including rotary
Centrifugal demister 6, rotary and centrifugal demister 6 is arranged on the downstream of blowdown apparatus 3.Housing 1 is polyhedron cylinder in the present embodiment
Shape.
As shown in figure 5, rotary and centrifugal demister 6 includes shell 7, rotor 14 and rotary shaft 15, rotor 14 is arranged outside
In shell 7, rotor 14 is arranged in rotary shaft 15, and shell 7 is provided with equally distributed mudhole, the shell with mudhole correspondence position
Body 1 is provided with the dust chamber 16 of annular, and dust chamber 16 is provided with blow-off pipe 17, and blow-off pipe 17 is connected with dust chamber 16.
Rotor 14 is made up of multiple silk screens or corrugated plating for stacking, and one end of rotary shaft 15 is connected with driving means.Silk
The rotor 14 of net or corrugated plate shape can be parallel to rotary shaft 15, it is also possible to perpendicular to rotary shaft 15, as shown in Figure 8 and Figure 9.
As shown in figure 5, being provided with pipe 5 between helical blade 2 and rotary and centrifugal demister 6, one end of pipe 5 is located at spiral shell
The downstream of vane piece 2, the other end is located at the upstream of rotary and centrifugal demister 6.
As shown in fig. 7, pipe 5 is coaxially disposed with housing 1, pipe 5 is provided with plectane 9, and plectane 9 covers pipe 5 near rotation
The opening of the one end of rotatable centrifugal demister 6, plectane 9 is provided with equally distributed open-work 10.
Embodiment 4：As shown in figure 1, a kind of ultra-clean discharge cyclone separator, installed in Desulphurization for Coal-fired Power Plant tower downstream
On flue, including throughflow type cyclone blade separator and rotary and centrifugal demister 6, throughflow type cyclone blade separator includes shell
Body 1, helical blade 2 and blowdown apparatus 3, housing 1 is tubular structure, and housing 1 is connected with the flue, and helical blade 2 is fixed
In housing 1, blowdown apparatus 3 are arranged on the downstream of helical blade 2, and blowdown apparatus 3 are connected with housing 1, also including rotary
Centrifugal demister 6, rotary and centrifugal demister 6 is arranged on the downstream of blowdown apparatus 3.
As shown in figure 5, rotary and centrifugal demister 6 includes shell 7, rotor 14 and rotary shaft 15, rotor 14 is arranged outside
In shell 7, rotor 14 is arranged in rotary shaft 15, and shell 7 is provided with equally distributed mudhole, the shell with mudhole correspondence position
Body 1 is provided with the dust chamber 16 of annular, and dust chamber 16 is provided with blow-off pipe 17, and blow-off pipe 17 is connected with dust chamber 16.
As shown in Figure 10, rotor 14 is spiral fan blades.
Pipe 5 is provided between helical blade 2 and rotary and centrifugal demister 6, one end of pipe 5 is located at helical blade 2
Downstream, the other end is located at the upstream of rotary and centrifugal demister 6.
As shown in fig. 7, pipe 5 is coaxially disposed with housing 1, pipe 5 is provided with plectane 9, and plectane 9 covers pipe 5 near rotation
The opening of the one end of rotatable centrifugal demister 6, plectane 9 is provided with equally distributed open-work 10.
Present invention also offers a kind of coal-fired plant flue gas cleaning system, including desulfurizing tower and chimney, desulfurizing tower and chimney
Between be connected by flue, also including the ultra-clean discharge cyclone separator described in above example, ultra-clean discharge whirlwind point
It is arranged in parallel in the flue from device.The multiple ultra-clean discharge cyclone separators of setting in parallel can not reduced
The separation efficiency of flue gas in coal-burning power plant is improved on the premise of separating property.
Present invention also offers a kind of coal-fired plant flue gas cleaning system, including desulfurizing tower and chimney, desulfurizing tower and chimney
Between be connected by flue, also including the ultra-clean discharge cyclone separator described in above example, ultra-clean discharge whirlwind point
It is arranged in series in the flue from device.Can be more thorough by the multiple ultra-clean discharge cyclone separators of the setting connected
By coal-burning power plant produce flue gas in solid particle and drop separation out.
A kind of operation principle of the embodiment of the present invention：The flue gas that coal-burning power plant produces is entered in flue from upstream device,
When through helical blade 2, the solid particle and drop in the case where helical blade 2 is acted in flue gas carries out rotate-stationary mode, from
Its radius of turn gradually increases the inwall up to collision housing 1 in the presence of mental and physical efforts, when solid particle and drop in flue gas
After colliding with the inwall of housing 1, the motion path of solid particle and drop disengaging flue gas, so as to it be divided from flue gas
Separate out and, when the solid particle and drop being separated is through blowdown sealing 8, solid particle and drop are stitched from blowdown
Mouth 8 is entered in dust arrester installation 18.By the flue gas of preliminary purification in the rotary and centrifugal demister 6 through downstream, the mist in it
Drop in and be separated in the presence of rotary and centrifugal demister 6, so that the flue gas of coal-burning power plant's discharge meets country's correlation
The discharge standard that regulation is required.
Claims (10)
1. a kind of ultra-clean discharge cyclone separator, on the flue in Desulphurization for Coal-fired Power Plant tower downstream, it is characterised in that bag
Include throughflow type cyclone blade separator and rotary and centrifugal demister（6）, throughflow type cyclone blade separator include housing（1）、
Helical blade（2）And blowdown apparatus（3）, housing（1）For tubular structure, housing（1）It is connected with the flue, helical blade
（2）It is fixed on housing（1）It is interior, blowdown apparatus（3）It is arranged on helical blade（2）Downstream, blowdown apparatus（3）With housing（1）Phase
Connection, also including rotary and centrifugal demister（6）, rotary and centrifugal demister（6）It is arranged on blowdown apparatus（3）Downstream, spiral shell
Vane piece（2）With rotary and centrifugal demister（6）Between be provided with pipe（5）, pipe（5）One end be located at helical blade（2）'s
Downstream, the other end is located at rotary and centrifugal demister（6）Upstream.
2. ultra-clean discharge cyclone separator according to claim 1, it is characterised in that blowdown apparatus（3）It is arranged on shell
Body（1）On, blowdown apparatus（3）Including annular groove（4）, ring baffle（13）And dust arrester installation（18）, annular groove（4）Arrange
In helical blade（2）Downstream, ring baffle（13）Cover annular groove（4）, ring baffle（13）It is provided with blowdown sealing
（8）, dust arrester installation（18）With annular groove（4）It is connected.
3. ultra-clean discharge cyclone separator according to claim 2, it is characterised in that blowdown sealing（8）Import and export
In housing（1）Upper tangential rotary arrangement.
4. ultra-clean discharge cyclone separator according to claim 2, it is characterised in that blowdown sealing（8）Along housing（1）
Radial direction.
5. ultra-clean discharge cyclone separator according to claim 1 and 2, it is characterised in that rotary and centrifugal demister
（6）Including shell（7）, rotor（14）And rotary shaft（15）, rotor（14）It is arranged on shell（7）It is interior, rotor（14）Installed in turn
Moving axis（15）On, shell（7）Equally distributed mudhole is provided with, the housing with mudhole correspondence position（1）It is provided with annular
Dust chamber（16）, dust chamber（16）It is provided with blow-off pipe（17）, blow-off pipe（17）With dust chamber（16）It is connected.
6. ultra-clean discharge cyclone separator according to claim 5, it is characterised in that rotor（14）It is many by what is stacked
Pull spring net or corrugated plating are constituted, rotary shaft（15）One end be connected with driving means.
7. ultra-clean discharge cyclone separator according to claim 5, it is characterised in that rotor（14）It is spiral fan blades.
8. ultra-clean discharge cyclone separator according to claim 1, it is characterised in that pipe（5）With housing（1）Coaxially
Arrange, pipe（5）It is provided with plectane（9）, plectane（9）Cover pipe（5）Near rotary and centrifugal demister（6）One end is opened
Mouthful, plectane（9）It is provided with equally distributed open-work（10）.
9. a kind of coal-fired plant flue gas cleaning system, including desulfurizing tower and chimney, are connected between desulfurizing tower and chimney by flue
It is logical, it is characterised in that also including the ultra-clean discharge cyclone separator described in above any one of claim 1 to 8, ultra-clean discharge
Cyclone separator is arranged in parallel in the flue.
10. a kind of coal-fired plant flue gas cleaning system, including desulfurizing tower and chimney, are connected between desulfurizing tower and chimney by flue
It is logical, it is characterised in that also including the ultra-clean discharge cyclone separator described in above any one of claim 1 to 8, ultra-clean discharge
Cyclone separator is arranged in series in the flue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410466685.9A CN104289044B (en) | 2014-09-12 | 2014-09-12 | Cyclone separating device with super-clean emission and smoke purification system of coal-fired power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410466685.9A CN104289044B (en) | 2014-09-12 | 2014-09-12 | Cyclone separating device with super-clean emission and smoke purification system of coal-fired power plant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104289044A CN104289044A (en) | 2015-01-21 |
| CN104289044B true CN104289044B (en) | 2017-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410466685.9A Expired - Fee Related CN104289044B (en) | 2014-09-12 | 2014-09-12 | Cyclone separating device with super-clean emission and smoke purification system of coal-fired power plant |
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| CN (1) | CN104289044B (en) |
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| CN105854428A (en) * | 2016-05-26 | 2016-08-17 | 北京龙腾华创环境能源技术有限公司 | Multistage spiral-flow type ultra-clean dust removal device |
| CN106925039B (en) * | 2017-04-28 | 2022-06-07 | 中国华电集团科学技术研究总院有限公司 | Purification device for separating liquid drops and particles |
| CN112892083A (en) * | 2021-01-14 | 2021-06-04 | 成都展望能源机械有限公司 | Flue gas cyclone device for flue gas desulfurization and use method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102008005574B4 (en) * | 2008-01-22 | 2013-11-28 | Areva Gmbh | centrifugal |
| CN201235266Y (en) * | 2008-07-30 | 2009-05-13 | 陆杰明 | Oil mist filter |
| CN103272442B (en) * | 2013-05-28 | 2015-04-15 | 华北电力大学 | High-dryness T-shaped three-way gas-liquid two-phase flow separation device |
| CN203771436U (en) * | 2014-04-04 | 2014-08-13 | 彭维明 | Smoke efficient purification device for coal-fired power plant |
| CN204073662U (en) * | 2014-09-12 | 2015-01-07 | 彭维明 | Ultra-clean discharge cyclone separator and coal-fired plant flue gas cleaning system |
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