CN109045906A - A kind of Integral tower, devices and methods therefor for realizing the gas cleaning containing coal dust - Google Patents
A kind of Integral tower, devices and methods therefor for realizing the gas cleaning containing coal dust Download PDFInfo
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- CN109045906A CN109045906A CN201810989247.9A CN201810989247A CN109045906A CN 109045906 A CN109045906 A CN 109045906A CN 201810989247 A CN201810989247 A CN 201810989247A CN 109045906 A CN109045906 A CN 109045906A
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- coal dust
- containing coal
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- 239000002817 coal dust Substances 0.000 title claims abstract description 90
- 238000004140 cleaning Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000007789 gas Substances 0.000 claims abstract description 77
- 238000009835 boiling Methods 0.000 claims abstract description 73
- 239000007788 liquid Substances 0.000 claims abstract description 67
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 56
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000003546 flue gas Substances 0.000 claims abstract description 31
- 239000002002 slurry Substances 0.000 claims abstract description 27
- 238000005201 scrubbing Methods 0.000 claims abstract description 24
- 230000005611 electricity Effects 0.000 claims abstract description 22
- 238000000746 purification Methods 0.000 claims description 20
- 238000005406 washing Methods 0.000 claims description 16
- 239000003245 coal Substances 0.000 claims description 15
- 238000003825 pressing Methods 0.000 claims description 9
- 239000004744 fabric Substances 0.000 claims description 7
- 238000011010 flushing procedure Methods 0.000 claims description 7
- 239000002351 wastewater Substances 0.000 claims description 7
- 238000001556 precipitation Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 5
- 239000013589 supplement Substances 0.000 claims description 4
- 239000003595 mist Substances 0.000 claims description 3
- 238000004064 recycling Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 12
- 239000008187 granular material Substances 0.000 description 11
- 239000000428 dust Substances 0.000 description 8
- 230000002209 hydrophobic effect Effects 0.000 description 7
- 230000000704 physical effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005192 partition Methods 0.000 description 4
- 238000000889 atomisation Methods 0.000 description 3
- 235000019504 cigarettes Nutrition 0.000 description 3
- 239000012717 electrostatic precipitator Substances 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003250 coal slurry Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000004047 hole gas Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
Abstract
The invention discloses a kind of Integral tower, devices and methods therefors for realizing the gas cleaning containing coal dust.Wherein, a kind of Integral tower for realizing the gas cleaning containing coal dust is divided into three regions, respectively slurries area, scrubbing section and the area Shi electricity from bottom to top；Boiling sieve is provided in the scrubbing section, boiling sieve is made of upper layer and lower layer sieve plate；Gas inlet containing coal dust is installed between the boiling sieve and slurries area liquid level；Boiling sieve top is provided with water distribution pipe network；The flue gas for entering scrubbing section from the gas inlet containing coal dust is spread from bottom to top, and is met with the top-down circulating clear liquid of water distribution pipe network discharge in boiling sieve, and form gas-liquid convection inside boiling sieve, so that flue gas containing coal dust is purified by quick wash.The present invention improves the efficiency of gas cleaning containing coal dust.
Description
Technical field
The invention belongs to gas cleaning technical field of environment protection equipment more particularly to a kind of realize one of the gas cleaning containing coal dust
Body tower, devices and methods therefor.
Background technique
Coal harbour or other similar Work places often have fugitive dust generation, mostly in coal handling, belt switching process
Paroxysm formula is intermittent, and instantaneous dust concentration is high (up to tens grams every cubic metre).Traditional processing method is general are as follows: in air-introduced machine
Suction function under, using gas collecting apparatus by coal dust gas collection, then into subsequent bag filter or electrostatic precipitator
Processing, through smoke stack emission.
But do not consider the physical property of the flue gas containing coal dust using above-mentioned process, using bag filter or electrostatic
The low efficiency of deduster treatment and purification flue gas, and cloth bag, electrostatic precipitator spark are pasted in the spontaneous combustion of cloth bag surface buildup, autumn and winter
The problems such as electric discharge may cause exceeded (over-emitting black exhaust when opening machine) instantaneous caused by coal dust detonation, electrostatic precipitator pole plate dust stratification.
In conclusion it is urgent to provide a kind of safe and stable and efficiently realize gas deep purifying, also recyclable resource
Device and method.
Summary of the invention
In order to solve the deficiencies in the prior art, the first object of the present invention, which is to provide, a kind of realizes the gas cleaning containing coal dust
Integral tower can realize the purification of the flue gas containing coal dust with security and stability and can be improved the purification efficiency of the flue gas containing coal dust.
A kind of Integral tower for realizing the gas cleaning containing coal dust of the invention, is divided into three regions from bottom to top,
Respectively slurries area, scrubbing section and the area Shi electricity；Boiling sieve is provided in the scrubbing section, boiling sieve is by upper layer and lower layer sieve plate structure
At；Gas inlet containing coal dust is installed between the boiling sieve and slurries area liquid level；Boiling sieve top is provided with water distributor
Net；
The flue gas for entering scrubbing section from the gas inlet containing coal dust is spread from bottom to top, and with water distribution pipe network discharge from
Circulating clear liquid under above is met in boiling sieve, and forms gas-liquid convection inside boiling sieve, so that the quilt of flue gas containing coal dust
Quick wash purification.
Further, it is arranged that bottom is completely isolated in the slurries area and first area and the secondth area that top is connected
Domain；The waste water containing coal dust that the first area is used to that boiling sieve to be received to fall, the clear liquid overflow formed after precipitation to the secondth area
Domain；The second area bottom is arranged liquid output pipe and is connected with the circulating pump arranged outside Integral tower, and the circulating pump is used
It is recycled in the clear liquid is sent to water distribution pipe network to realize.
Its effect generated are as follows: Integral tower bottom slurry partial-partition setting of the invention, so that clear liquid recycles,
Greatly reduce the whole resource consumption of Integral tower.
Further, the aperture of the aperture ratio upper sieve plate of lower layer's sieve plate of the boiling sieve is small.
Its effect generated are as follows: the aperture of the aperture ratio upper sieve plate of the lower layer's sieve plate for the sieve that boils is small, can be more advantageous to
Boiling-like liquid film is formed between the two layers, improves the effect of the purification of flue gas washing containing coal dust.
Further, water distributor is provided with several nozzles as circulating clear liquid outlet on the net.
The purpose that water distribution pipe network and nozzle is arranged in the present invention is rather than the spray washing for the wire screen water that boils, because of spray washing
When, to reach certain atomizing effect, nozzle needs to be mounted on higher position, and only water distribution when can largely reduce nozzle height
Degree；It is boiling sieve by setting water distribution pipe network and nozzle come water distribution, improves the effect of the purification of flue gas washing containing coal dust.
Further, the water distributor is just additionally provided with demister on the net.
Since flue gas containing coal dust is after boiling sieve, a large amount of drops are carried, demisting processing must be carried out into the area Shi electricity, avoided
Wet electric load is excessive.
Further, wet cottrell, the pole plate shape of the wet cottrell are provided in the area Shi electricity
Formula uses fabric, to meet the requirement that interval is rinsed.
The second object of the present invention is to provide a kind of device for realizing the gas cleaning containing coal dust, can be real with security and stability
The now purification of the flue gas containing coal dust and the purification efficiency that can be improved the flue gas containing coal dust.
A kind of device for realizing the gas cleaning containing coal dust of the invention, including Integral tower described above.
Further, the device for realizing the gas cleaning containing coal dust further includes Pulp pump, is used for slurries area first
Sections bottom mud coal is sent to coal slime press filteration system, the mud cake by generating after coal slime press filteration system filters pressing and filtering liquid.
Further, it weighs for maintenance level, setting supplements fluid pipeline, the intracorporal liquid of replenisher and the filtering liquid
After converging, into above the area Shi electricity of Integral tower, and it is successively used as wet electrode plate flushing water, mist eliminator flushing water, and drop down onto
Boiling sieve is mixed with circulating clear liquid.
The third object of the present invention is to provide a kind of purification side of device based on above-mentioned realization gas cleaning containing coal dust
Method.
The purification method of the device of realization gas cleaning containing coal dust of the invention, comprising:
The flue gas for entering scrubbing section from gas inlet containing coal dust is spread from bottom to top, and with the discharge of water distribution pipe network from upper and
Under circulating clear liquid boiling sieve meet, and boiling sieve inside form gas-liquid convection so that flue gas containing coal dust is by quick wash
Purification；
Flue gas containing coal dust after washed area's washing enters the area Shi electricity deep purifying again, and the gas after deep purifying is through in line
Chimney discharge；
The waste water containing coal dust of boiling sieve drops down onto slurries area in scrubbing section, and clear liquid after precipitation is sent to cloth by circulating pump
Pipe network realizes recycling for clear liquid.
Compared with prior art, the beneficial effects of the present invention are:
(1) present invention is directed to the physical property of Coal Dust object, using washing remove most hydrophilic granules+wet electricity into
One step removes the process route of remaining hydrophobic granule, can high-efficient purification gas containing coal dust, Integral tower entirety efficiency of dust collection is reachable
99.6% or more.
(2) in the scrubbing section of Integral tower, the flue gas for entering scrubbing section from gas inlet containing coal dust is spread from bottom to top, and
It meets with the top-down liquid of water distribution pipe network discharge in boiling sieve, and forms gas-liquid convection inside boiling sieve, boiling sieve
Abundant, quick, the violent contact of air-liquid is realized, not depending on longer time of contact and stroke can be realized gas-solid and efficiently divide
From.Meanwhile nozzle atomization, spraying effect during water distribution are weakened, Integral tower height can be utmostly reduced, is reduced investment outlay.
(3) behind the washed area of gas containing coal dust, the closely wet saturation of gas is lowered into the safety of subsequent wet electricity to the full extent
Hidden danger.
(4) Integral tower bottom slurry partial-partition is arranged, and clear liquid recycles, and filters pressing liquid fully recovering drops significantly
Low system entirety consumed resource.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is a kind of Integral tower structural schematic diagram for realizing the gas cleaning containing coal dust of the invention；
Fig. 2 is a kind of apparatus structure schematic diagram for realizing the gas cleaning containing coal dust of the invention；
Fig. 3 (a) is that lower sieve plate schematic diagram is sieved in boiling；
Fig. 3 (b) is boiling sieve upper sieve plate schematic diagram.
Wherein: 1-1 booster fan；1-2 water circulating pump；1-3 agitating device；1-4 Pulp pump；1-5 integration press filteration system；
1-6 gas inlet containing coal dust；1-7 boiling sieve；1-8 water distribution pipe network；1-9 demister；1-10 wet cottrell；1-11 cigarette
Chimney；2-1 nozzle；2-2 wet electrode plate；3-1 upper sieve plate sieve pore；3-2 upper sieve plate；4-2 lower layer sieve plate；4-1 lower screen screen
Hole.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
For the gas purification containing coal dust, the study found that most particulate matters (mass fraction, similarly hereinafter) are parent in coal dust
Particle water, the Yishui River, which washes away, removes；Small part particulate matter is hydrophobic granule, not soluble in water, it is difficult to washing removal.For hydrophilic
Grain, builds a kind of contact environment for keeping it abundant, quick, strong with water, without making excessive demands longer time of contact, can play non-
Often high efficiency of dust collection.For hydrophobic granule, strengthen its contact with water, empty energization consumption, effect is limited, should use wet type
Electrostatic electric precipitation or other techniques.
Flue gas washing liquid can be the liquid modulated in advance or tap water or enterprise's process water.
In the present embodiment, flue gas washing liquid is by taking pure water as an example:
As shown in Figure 1, a kind of Integral tower for realizing the gas cleaning containing coal dust of the invention, is divided into from bottom to top
Three regions, respectively slurries area, scrubbing section and the area Shi electricity.
Boiling sieve 1-7 is provided in the scrubbing section, boiling sieve 1-7 is made of upper layer and lower layer sieve plate；1-7 is sieved in the boiling
The 1-6 of gas inlet containing coal dust is installed between slurries area liquid level；The boiling sieve top 1-7 is provided with water distribution pipe network 1-8；
The flue gas for entering scrubbing section from the gas inlet containing coal dust is spread from bottom to top, and is discharged with water distribution pipe network 1-8
Liquid that flows from above to below boiling sieve meet, and boiling sieve inside form gas-liquid convection so that cigarette containing coal dust
Gas is purified by quick wash.
In specific implementation, the 1-6 lower edge of gas inlet containing coal dust and slurries area liquid level vertical range be d1 (for example,
It 500mm), is d2 (for example, 1000mm) along the vertical range with boiling sieve bottom surface on the 1-6 of gas inlet containing coal dust.
In specific implementation, boiling sieve 1-7 is double-layer structure, is made of upper layer and lower layer sieve plate, such as Fig. 3 (a) and Fig. 3 (b)
It is shown.
Boiling sieve 1-7 includes lower layer sieve plate 3-2 and lower layer sieve plate 4-2.Such as: the vertical range d3 between two layers of sieve plate is
15mm。
The aperture D2 of upper sieve plate sieve pore 3-1 is 20mm, and pitch-row D1 is 30mm；The aperture D4 of lower screen screen hole 4-1 is
18mm, pitch-row D3 are 25mm.In order to build optimal boiling effect, in same boiling sieve, the aperture ratio upper sieve of lower layer's sieve plate
The aperture of plate is small, but its aperture diameter difference is preset value, such as: 5mm or 2mm or other values.
In specific implementation, water distribution pipe network 1-8, water distribution pipe network 1-8 and Integral tower outer circulation is arranged in the boiling sieve top 1-7
Water pump connection, is arranged multiple nozzles as water outlet.The purpose of water distribution pipe network 1-8 and nozzle 2-1 are to sieve 1-7 water distribution for boiling,
Rather than spray washing.
For the whole height for reducing Integral tower, the vertical range d4 of setting nozzle 2-1 and boiling sieve 1-7 upper sieve plate can
For 300mm.
Flue gas is discharged with top-down nozzle 2-1 from bottom to top to meet in boiling sieve 1-7, since boiling sieve is the double-deck knot
Structure, under bilevel sieve plate double team, under many factors effects such as static pressure, gravity, uplift force, sieve plate blocking, cigarette
Wind band water high turbulence (between two layers of sieve plate) inside boiling sieve, apparently forms violent boiling section, in this region gas-liquid
Strong convection, mass transfer, dusty gas are purified by efficient, quick wash.Effect of boiling and sieve pore gas velocity, the liquid-gas ratio of Integral tower
Closely related, raising gas velocity, liquid-gas ratio are conducive to strengthen boiling, but will increase system energy consumption, experiments have shown that relatively reasonable sieve
Hole gas velocity is 3m/s, and liquid-gas ratio 5 is advisable.
Dusty gas carries a large amount of drops after boiling sieve, must be set in the demister 1-9 removal of boiling sieve top.
Demister does not set flushing water system individually, can be the mechanical demister such as conventional baffle plate.
Boiling sieve 1-7 upper sieve plate and the vertical range of the bottom surface demister 1-9 are d5 (for example, 800mm).
In specific implementation, it is arranged that bottom is completely isolated in the slurries area and the first area (area A that top is connected
Domain) and second area (B area).
A-quadrant and B area can divide slurries area by inclined plate.
A two regions B, two regions are completely isolated in bottom, and in top connection, i.e., inclined plate height is lower than slurries area
Liquid level.The area A is for receiving boiling sieve to fall waste water containing coal dust, and waste water precipitates herein, supernatant overflow to B area, and the area B bottom is set
It sets outlet pipe and is connected with the circulating pump 1-2 arranged outside Integral tower.
In specific implementation, the area A lower part also sets up agitating device 1-3, to prevent coal slime in slurries area bottom deposit, plate
Knot, and outlet pipe is set and is connected by Pulp pump 1-4 with coal slime press filteration system 1-5, while the setting of the area A lower part being capable of real-time online
The instrument for measuring concentration of slurry, when concentration of slurry, which expires outlet, to be required, Pulp pump 1-4 is opened, and slurries area liquid level decreases, when
When the area B liquid level is reduced to lower limit, Pulp pump 1-4 is closed.
Wherein, agitating device 1-3 is existing structure, is not repeated herein.
The area Shi electricity of Integral tower is wet cottrell 1-10, because wet electrode plate flushing water largely derives from filters pressing
The clear water that system generates, and the latter is intermittent duty, therefore the pole plate 2-2 form of wet electricity uses fabric preferably to meet interval and rush
The requirement washed.
Such as: pole plate height d6 is 4m, and section gas velocity is 2.5m/s.Wet cottrell 1-10 is mainly for the treatment of gas
The coal dust not yet removed after boiling section in body, such coal dust belongs to hydrophobic granule object more, further through wet cottrell
After advanced treating, gas is discharged through wet electricity top direct exhaust chimney 1-11.
Integral tower of the invention generate it is following the utility model has the advantages that
(a) it is directed to the physical property of Coal Dust object, most hydrophilic granules+wet electricity are removed using washing and are further gone
Except the process route of remaining hydrophobic granule, can high-efficient purification gas containing coal dust, Integral tower entirety efficiency of dust collection is up to 99.6%
More than.
(b) in the scrubbing section of Integral tower of the invention, enter the flue gas of scrubbing section from lower from gas inlet containing coal dust and
Upper diffusion, and meet with the liquid that flows from above to below being discharged from water distribution pipe network in boiling sieve, and formed inside boiling sieve
Gas-liquid convection, boiling sieve realize abundant, quick, the violent contact of air-liquid, do not depend on longer time of contact and stroke
Realize that gas-solid efficiently separates.Meanwhile water distribution nozzle atomization, spraying effect are weakened, Integral tower height can be utmostly reduced, is saved
Investment-saving.
(c) behind the washed area of gas containing coal dust, the closely wet saturation of gas is lowered into the safety of subsequent wet electricity to the full extent
Hidden danger.
(d) Integral tower bottom slurry partial-partition is arranged, and clear liquid recycles, and filters pressing liquid fully recovering drops significantly
Low system entirety consumed resource.
A kind of device for realizing the gas cleaning containing coal dust of the invention, including Integral tower as shown in Figure 1.
As shown in Fig. 2, the device for realizing the gas cleaning containing coal dust further includes Pulp pump 1-4, it is used for slurries area bottom
There is mud coal to be sent to coal slime press filteration system 1-5, by the mud cake and filtering liquid generated after coal slime press filteration system 1-5 filters pressing.
Specifically, the moisture content of the cake that coal slime press filteration system 1-5 is generated is 30%, facilitates outward transport.To save land occupation, filters pressing
System preferably uses integrated plate and frame filter press.
To maintain systematic water balance, also set up after the clear water that process water all the way and coal slime press filteration system generate converges as one
Body tower supplements water, and supplement water inlet is located above Integral tower wet electrode plate, is sequentially completed pole plate and rinses, after mist eliminator flushing
Boiling is dropped down onto sieve and mix with circulating clear liquid.
A kind of device for realizing the gas cleaning containing coal dust of the invention generate it is following the utility model has the advantages that
(1) it is directed to the physical property of Coal Dust object, most hydrophilic granules+wet electricity are removed using washing and are further gone
Except the process route of remaining hydrophobic granule, can high-efficient purification gas containing coal dust, Integral tower entirety efficiency of dust collection is up to 99.6%
More than.
(2) in the scrubbing section of Integral tower, the flue gas for entering scrubbing section from gas inlet containing coal dust is spread from bottom to top, and
It meets with the top-down liquid of water distribution pipe network discharge in boiling sieve, and forms gas-liquid convection inside boiling sieve, boiling sieve
Abundant, quick, the violent contact of air-liquid is realized, not depending on longer time of contact and stroke can be realized gas-solid and efficiently divide
From.Meanwhile nozzle atomization, spraying effect during water distribution are weakened, Integral tower height can be utmostly reduced, is reduced investment outlay.
(3) behind the washed area of gas containing coal dust, the closely wet saturation of gas is lowered into the safety of subsequent wet electricity to the full extent
Hidden danger.
(4) Integral tower bottom slurry partial-partition is arranged, and clear liquid recycles, and filters pressing liquid fully recovering drops significantly
Low system entirety consumed resource.
The present invention also provides a kind of purification methods of device based on above-mentioned realization gas cleaning containing coal dust.
The purification method of the device of realization gas cleaning containing coal dust of the invention, comprising:
The flue gas for entering scrubbing section from gas inlet containing coal dust is spread from bottom to top, and with the discharge of water distribution pipe network from upper and
Under circulating clear liquid boiling sieve meet, and boiling sieve inside form gas-liquid convection so that flue gas containing coal dust is by quick wash
Purification；
Flue gas containing coal dust after washed area's washing enters the area Shi electricity deep purifying again, and the gas after deep purifying is through in line
Chimney discharge；
The waste water containing coal dust of boiling sieve drops down onto slurries area in scrubbing section, and clear liquid after precipitation is sent to cloth by circulating pump
Pipe network realizes recycling for clear liquid.
The present invention is directed to the physical property of Coal Dust object, removes most hydrophilic granules+wet electricity into one using washing
Step removes the process route of remaining hydrophobic granule, can high-efficient purification gas containing coal dust, Integral tower entirety efficiency of dust collection is reachable
99.6% or more.
Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not protects model to the present invention
The limitation enclosed, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art are not
Need to make the creative labor the various modifications or changes that can be made still within protection scope of the present invention.
Claims (10)
1. a kind of Integral tower for realizing the gas cleaning containing coal dust, which is characterized in that it is divided into three regions from bottom to top,
Respectively slurries area, scrubbing section and the area Shi electricity；Boiling sieve is provided in the scrubbing section, boiling sieve is by upper layer and lower layer sieve plate structure
At；Gas inlet containing coal dust is installed between the boiling sieve and slurries area liquid level；Boiling sieve top is provided with water distributor
Net；
The flue gas for entering scrubbing section from the gas inlet containing coal dust is spread from bottom to top, and with the discharge of water distribution pipe network from upper and
Under circulating clear liquid boiling sieve meet, and boiling sieve inside form gas-liquid convection so that flue gas containing coal dust is quick
Washing, purifying.
2. a kind of Integral tower for realizing the gas cleaning containing coal dust as described in claim 1, which is characterized in that the slurries area
Interior setting bottom is completely isolated and first area that top is connected and second area；The first area is for receiving boiling sieve
The waste water containing coal dust fallen, the clear liquid overflow formed after precipitation to second area；The second area bottom setting liquid is defeated
Outlet pipe simultaneously with Integral tower outside arrange circulating pump be connected, the circulating pump be used for by the clear liquid be sent to water distribution pipe network thus
Realization recycles.
3. a kind of Integral tower for realizing the gas cleaning containing coal dust as described in claim 1, which is characterized in that the boiling sieve
Lower layer's sieve plate aperture ratio upper sieve plate aperture it is small.
4. a kind of Integral tower for realizing the gas cleaning containing coal dust as described in claim 1, which is characterized in that the water distributor
It is provided with several nozzles as circulating clear liquid outlet on the net.
5. a kind of Integral tower for realizing the gas cleaning containing coal dust as claimed in claim 4, which is characterized in that the water distributor
Online side is additionally provided with demister.
6. a kind of Integral tower for realizing the gas cleaning containing coal dust as described in claim 1, which is characterized in that the area Shi electricity
It is inside provided with wet cottrell, the pole plate form of the wet cottrell uses fabric, rushes to meet interval
The requirement washed.
7. a kind of device for realizing the gas cleaning containing coal dust, which is characterized in that including such as of any of claims 1-6
Integral tower.
8. a kind of device for realizing the gas cleaning containing coal dust as claimed in claim 7, which is characterized in that described realize contains coal dust
The device of gas cleaning further includes Pulp pump, is used to the first area bottom mud coal in slurries area being sent to coal slime filters pressing system
System, by the mud cake and filtering liquid generated after coal slime press filteration system filters pressing.
9. a kind of device for realizing the gas cleaning containing coal dust as claimed in claim 8, which is characterized in that it weighs for maintenance level,
It is arranged and supplements fluid pipeline, after the intracorporal liquid of replenisher and the filtering liquid joint, into the area Shi electricity of Integral tower
Side, and it is successively used as wet electrode plate flushing water, mist eliminator flushing water, and drop down onto boiling sieve and mix with circulating clear liquid.
10. a kind of purification method based on the device as claimed in any one of claims 7-9 for realizing the gas cleaning containing coal dust,
It is characterised by comprising:
The flue gas for entering scrubbing section from gas inlet containing coal dust is spread from bottom to top, and top-down with the discharge of water distribution pipe network
Circulating clear liquid is met in boiling sieve, and forms gas-liquid convection inside boiling sieve, so that flue gas containing coal dust is purified by quick wash；
Flue gas containing coal dust after washed area's washing enters the area Shi electricity deep purifying again, and the gas after deep purifying is through direct exhaust chimney
Discharge；
The waste water containing coal dust of boiling sieve drops down onto slurries area in scrubbing section, and clear liquid after precipitation is sent to water distributor by circulating pump
Net realizes recycling for clear liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810989247.9A CN109045906A (en) | 2018-08-28 | 2018-08-28 | A kind of Integral tower, devices and methods therefor for realizing the gas cleaning containing coal dust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810989247.9A CN109045906A (en) | 2018-08-28 | 2018-08-28 | A kind of Integral tower, devices and methods therefor for realizing the gas cleaning containing coal dust |
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| CN109045906A true CN109045906A (en) | 2018-12-21 |
Family
ID=64757510
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810989247.9A Pending CN109045906A (en) | 2018-08-28 | 2018-08-28 | A kind of Integral tower, devices and methods therefor for realizing the gas cleaning containing coal dust |
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| Country | Link |
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| CN (1) | CN109045906A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2113490A1 (en) * | 2008-04-28 | 2009-11-04 | Edgar Bonnaire | Method and device for mechanical separation of secondary raw materials from sludge containing iron |
| CN102091519A (en) * | 2010-12-28 | 2011-06-15 | 哈尔滨工业大学 | Double-groove wet-process flue gas desulfuration device and method operating on basis of two pH values |
| CN104436854A (en) * | 2014-12-12 | 2015-03-25 | 四川达竹煤电（集团）有限责任公司石板选煤发电厂 | Slime water serial treatment system and slime water serial treatment process |
| CN204522737U (en) * | 2015-04-15 | 2015-08-05 | 济南百得环保科技有限公司 | A kind of mixed-flow wet process of FGD dedusting near-zero release integration absorption tower |
| CN204601981U (en) * | 2015-05-18 | 2015-09-02 | 武汉凯迪电力环保有限公司 | A kind of desulfurizing tower of configuring multi-layer pallet |
| CN204601990U (en) * | 2015-05-18 | 2015-09-02 | 武汉凯迪电力环保有限公司 | A kind of dust-removing desulfurating apparatus |
| CN208990478U (en) * | 2018-08-28 | 2019-06-18 | 山东神华山大能源环境有限公司 | A kind of Integral tower and device for realizing the gas cleaning containing coal dust |
-
2018
- 2018-08-28 CN CN201810989247.9A patent/CN109045906A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2113490A1 (en) * | 2008-04-28 | 2009-11-04 | Edgar Bonnaire | Method and device for mechanical separation of secondary raw materials from sludge containing iron |
| CN102091519A (en) * | 2010-12-28 | 2011-06-15 | 哈尔滨工业大学 | Double-groove wet-process flue gas desulfuration device and method operating on basis of two pH values |
| CN104436854A (en) * | 2014-12-12 | 2015-03-25 | 四川达竹煤电（集团）有限责任公司石板选煤发电厂 | Slime water serial treatment system and slime water serial treatment process |
| CN204522737U (en) * | 2015-04-15 | 2015-08-05 | 济南百得环保科技有限公司 | A kind of mixed-flow wet process of FGD dedusting near-zero release integration absorption tower |
| CN204601981U (en) * | 2015-05-18 | 2015-09-02 | 武汉凯迪电力环保有限公司 | A kind of desulfurizing tower of configuring multi-layer pallet |
| CN204601990U (en) * | 2015-05-18 | 2015-09-02 | 武汉凯迪电力环保有限公司 | A kind of dust-removing desulfurating apparatus |
| CN208990478U (en) * | 2018-08-28 | 2019-06-18 | 山东神华山大能源环境有限公司 | A kind of Integral tower and device for realizing the gas cleaning containing coal dust |
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