CN106693562A - Dioxin removal system and application of dioxin removal system - Google Patents
Dioxin removal system and application of dioxin removal system Download PDFInfo
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- CN106693562A CN106693562A CN201611109756.5A CN201611109756A CN106693562A CN 106693562 A CN106693562 A CN 106693562A CN 201611109756 A CN201611109756 A CN 201611109756A CN 106693562 A CN106693562 A CN 106693562A
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- activated carbon
- flue gas
- bioxin
- cooling
- adsorber
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/10—Venturi scrubbers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/06—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with moving adsorbents, e.g. rotating beds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/402—Further details for adsorption processes and devices using two beds
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a dioxin removal system and application of the dioxin removal system. The dioxin removal system comprises a chilling tower, a venturi scrubber, a washing solution storage tank, an active carbon adsorption tower and an active carbon storage bin. According to the dioxin removal system disclosed by the invention, dioxin is commonly removed through the chilling tower, the venturi scrubber and the active carbon adsorption tower; the problem that an existing dioxin removal device is single is solved; the dioxin is completely removed in one time and the removal rate of the dioxin is high.
Description
Technical field
The present invention relates to bioxin removing system, and the method for processing flue gas using foregoing bioxin removing system.
Background technology
Incineration technology as treatment municipal refuse a kind of technology, compared with other technologies, minimizing, resource and harmless
Change effect more protrude, be worldwide widely used at present, however rubbish in burning process inevitably
Some pollutants are produced, wherein bioxin is considered as a class compound of most toxicity.Bioxin is the general name of a class material,
Including Polychlorinated biphenyls Bing bioxin (PCDDs) and Polychlorinated biphenyls and furans (PCDFs), number and substitution position are replaced according to chlorine atom
The difference put, they contain 75 kinds and 135 kinds of homologues respectively.It under highly stable compound, normal temperature is colourless that bioxin is
Solid, is slightly soluble in most of organic solvent, it is extremely difficult to be dissolved in water, with fusing point and boiling point higher.The formation mechanism of bioxin
Predominantly High Temperature Gas are mutually generated, and macromolecular carbon synthesizes at low temperature with the chloride in flying dust, the bioxin that inefficient combustion is produced
Presoma reacts to each other generation under catalyst (iron, the copper, nickel etc.) effect of ash surface.The synthesis window temperature of bioxin is
200-450 DEG C and 500-800 DEG C, the optimum temperature range of formation is 250-450 DEG C.On bioxin decompose conventional wisdom be
850 DEG C or so in burner hearth the residence time reach 2s, although bioxin is decomposed substantially, when exhaust gas temperature is cooled to 300-500
DEG C when, metallic compound catalysis under, predecessor can reconfigure generation bioxin.It is several to reduce bioxin synthesis as far as possible
Rate, controls incineration flue gas synthesizing again in purification process, the general method using control flue-gas temperature.Generally by high-temperature flue gas
Less than 200 DEG C are rapidly cooled to, so as to across the temperature range of Er Evil English easily generation, substantially reduce recombining for later stage several
Rate.Be broadly divided into 2 parts for the elimination of bioxin at present, in Refuse Incineration Process control bioxin generation, mainly according to
The influence factor of Ju bioxin generation takes appropriate measures.Or purification removing is carried out to it after generation bioxin is burned.
Nowadays, by controlling the regeneration effect of bioxin and bad during smoke evacuation.
Thus, the system that bioxin is removed during smoke evacuation has much room for improvement.
The content of the invention
It is contemplated that at least solving one of technical problem present in prior art.Therefore, one object of the present invention
It is to propose a kind of bioxin removing system, the system is taken off jointly by quenching column, venturi scrubber and activated carbon adsorber
Chu bioxin, disposably thoroughly removing , bioxin clearances are high to realize bioxin.
According to an aspect of the present invention, the invention provides a kind of bioxin removing system.Implementation of the invention
Example, bioxin removing system includes：
Quenching column, the quenching column includes the exhanst gas outlet after smoke inlet and cooling, and internal setting cool water shower
Device；
Venturi scrubber, the Venturi scrubber include contraction section, trunnion and diffuser, the contraction section with it is described
Exhanst gas outlet after cooling is connected；
There is washing liquid storage tank, the washing liquid storage tank cleaning solution to export and cleaning solution entrance, cleaning solution outlet and
The cleaning solution entrance is connected with the trunnion；
Activated carbon adsorber, the activated carbon adsorber has the smoke inlet after bottom wash, the cigarette after the purification of top
Gas outlet, top activated carbon entrance and the outlet of bottom activated carbon, and multistage activated carbon transmission is set in the activated carbon adsorber
Band absorption platform, the smoke inlet after the washing is connected with the diffuser；And
Activated carbon feed bin, the active charcoal delivery outlet of activated carbon feed bin and activated carbon input port, the activated carbon are defeated
Outlet is connected with the top activated carbon entrance, and the activated carbon input port is connected with bottom activated carbon outlet.
Bioxin according to embodiments of the present invention removes system, by quenching column, venturi scrubber and charcoal absorption
Tower removes bioxin jointly, overcomes the single problem of existing bioxin removing means, realizes bioxin and disposably thoroughly takes off
Except , bioxin clearances are high.Also, the activated carbon in activated carbon adsorber can be circulated before adsorption saturation is fully achieved to be made
With, the utilization ratio of activated carbon is substantially increased, save cost.Additionally, the system is sent to except the activated carbon except periodically discharge
Outside regeneration treatment and a small amount of granule foreign from Venturi scrubber, produced without other secondary pollutions, with cleaning, environmental protection
And it is efficient the characteristics of.
In addition, bioxin removing system according to the above embodiment of the present invention, can also have following additional technology special
Levy：
Embodiments in accordance with the present invention, the Venturi scrubber, the washing liquid storage tank and the activated carbon adsorber
Multiple is, and is corresponded connected.
Embodiments in accordance with the present invention, the Venturi scrubber, the washing liquid storage tank and the activated carbon adsorber
It is two.
Embodiments in accordance with the present invention, multiple Venturi scrubbers, the washing liquid storage tank and the activated carbon are inhaled
Attached tower is connected in the smoke outlet after the cooling in parallel.
Embodiments in accordance with the present invention, the multistage activated carbon conveyer belt absorption platform is zigzag.
Embodiments in accordance with the present invention, the activated carbon adsorber is further included：First baffle, the first baffle sets
Put in the top activated carbon porch；Second baffle, the second baffle is arranged on the bottom activated carbon exit.
Embodiments in accordance with the present invention, multistage activated carbon conveyer belt absorption platform is interspersed.
According to another aspect of the present invention, the invention provides a kind of using foregoing bioxin removing system treatment flue gas
Method.Embodiments in accordance with the present invention, the method includes：
Flue gas is delivered into quenching column carries out spraying cooling treatment, so as to the flue gas after being cooled down；
Flue gas after the cooling enters the contraction section of Venturi scrubber, is spread in trunnion and carries out gas-liquid with cleaning solution
Convection current forms dust-laden drop, and traps the dust-laden drop in diffuser, so as to the flue gas after being washed；And
Flue gas after the washing enters activated carbon adsorber through the smoke inlet after bottom wash and from top activated carbon
The activated carbon counter current contacting for circulating of entrance entrance simultaneously adsorbs bioxin in the flue gas after the washing, net to obtain
Flue gas after change.
The method for the treatment of flue gas according to embodiments of the present invention, by quenching column, venturi scrubber and charcoal absorption
Tower removes bioxin jointly, overcomes the single problem of device in existing bioxin removal methods, realizes bioxin disposable
Thoroughly removing , bioxin clearances are high.Also, the activated carbon in activated carbon adsorber can be with before adsorption saturation is fully achieved
Recycle, substantially increase the utilization ratio of activated carbon, saved the cost of fume treatment.Additionally, the method is except except regular
Outside the activated carbon sent for regeneration treatment of discharge and a small amount of granule foreign from Venturi scrubber, without other secondary pollution produce
It is raw, with cleaning, environmental protection and efficiently the characteristics of.
Embodiments in accordance with the present invention, the temperature of the flue gas after the cooling is 100-200 DEG C.
Embodiments in accordance with the present invention, the time of the spraying cooling treatment is 1-2 seconds.
Additional aspect of the invention and advantage will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by practice of the invention.
Brief description of the drawings
Of the invention above-mentioned and/or additional aspect and advantage will become from description of the accompanying drawings below to embodiment is combined
Substantially and be readily appreciated that, wherein：
Fig. 1 shows that bioxin according to an embodiment of the invention removes the structural representation of system；
Fig. 2 shows the flow of the method for utilization bioxin removing system treatment flue gas according to an embodiment of the invention
Schematic diagram.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from start to finish
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
It is exemplary to scheme the embodiment of description, is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the invention, term " longitudinal direction ", " transverse direction ", " on ", it is D score, "front", "rear", "left", "right", " perpendicular
Directly ", the orientation or position relationship of the instruction such as " level ", " top ", " bottom " are, based on orientation shown in the drawings or position relationship, to be only
For the ease of the description present invention rather than requiring that the present invention must be with specific azimuth configuration and operation therefore it is not intended that right
Limitation of the invention.
It should be noted that term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying phase
To importance or the implicit quantity for indicating indicated technical characteristic.Thus, " first " is defined, the feature of " second " can be with
Express or implicitly include one or more this feature.Further, in the description of the invention, unless otherwise saying
Bright, " multiple " is meant that two or more.
According to an aspect of the present invention, the invention provides a kind of bioxin removing system.With reference to Fig. 1, according to this hair
Bright embodiment, explains to bioxin removing system, and the system includes：Quenching column 100, Venturi scrubber
200th, washing liquid storage tank 300, activated carbon adsorber 400 and activated carbon feed bin 500.Each device is explained one by one below
It is bright：
Quenching column 100：Embodiments in accordance with the present invention, the quenching column 100 includes that the flue gas after smoke inlet and cooling goes out
Mouthful, and internal setting cool water shower device, flue gas is delivered into quenching column 100 carries out spraying cooling treatment, after being cooled down
Flue gas.Specifically, the water smoke that flue gas is formed through spray, counter current contacting is formed with water smoke, and contact area is big, and heat exchange efficiency is high,
So as to complete fast cooling.
Some embodiments of the invention, the cooling water after heat exchange returns to quenching column after entering the cooling of cooling tower 600
100, so as to realize that Quench is used with water circulation, periodically exclude the raffinate accumulated in quenching column.
Venturi scrubber 200：Embodiments in accordance with the present invention, the Venturi scrubber 200 includes contraction section 210, larynx
Pipe 220 and diffuser 230, wherein, contraction section 210 is connected with the exhanst gas outlet after cooling, and the flue gas after cooling enters literary mound
In washer 200 contraction section 210, trunnion 220 spread and with cleaning solution carry out gas-liquid convection formed dust-laden drop, and expand
Dissipate the trapping dust-laden drop of section 230, the flue gas after being washed, so as to complete the removing of granule foreign in flue gas, removal effect
It is good, efficiency high.
Washing liquid storage tank 300：There is embodiments in accordance with the present invention, the washing liquid storage tank 300 cleaning solution to export and wash
Liquid entrance, wherein, cleaning solution outlet and cleaning solution entrance are connected with trunnion 220, for providing washing for Venturi scrubber 200
Liquid.
Activated carbon adsorber 400：Embodiments in accordance with the present invention, after the activated carbon adsorber 400 has bottom wash
Exhanst gas outlet, top activated carbon entrance and the outlet of bottom activated carbon after smoke inlet, top purification, and in activated carbon adsorber
Multistage activated carbon conveyer belt absorption platform 410 is set, and the smoke inlet after washing is connected with diffuser 230, the flue gas after washing
Enter activated carbon adsorber 400 through the smoke inlet after bottom wash, pass sequentially through activated carbon conveyer belt absorption platforms at different levels
410, with the activated carbon counter current contacting for circulating entered from top activated carbon entrance and in adsorbing the flue gas after washing two
Evil English, flue gas constantly through the activated carbon in the continuous flow regime two-stage conveyer belt, enhances activated carbon to bioxin
Adsorption effect, the flue gas after being purified.Some embodiments of the invention, the removal efficiency of dioxin in flue gas is higher than
90%.
Embodiments in accordance with the present invention, multistage activated carbon conveyer belt absorption platform 410 is zigzag, in other words, also
It is that activated carbon conveyer belt is zigzag, increases the contact area of activated carbon and flue gas, imitates the absorption of activated carbon Dui bioxin
Fruit is more preferably.
Embodiments in accordance with the present invention, the activated carbon adsorber 400 is further included：First baffle 420 and second baffle
430, wherein, first baffle 420 is arranged on top activated carbon porch, and second baffle 430 is arranged on bottom activated carbon exit.
Thus, the turnover activated carbon adsorber of activated carbon material is more smooth.
Embodiments in accordance with the present invention, multistage activated carbon conveyer belt absorption platform is interspersed.Thus, flue gas is passed through and handed over
The multistage activated carbon conveyer belt absorption platform of mistake distribution, increased the contact area of flue gas and activated carbon, the absorption of Shi bioxin
It is better.
Activated carbon feed bin 500：Embodiments in accordance with the present invention, the active charcoal delivery outlet of the activated carbon feed bin 500 and work
Property charcoal input port, wherein, activated carbon delivery outlet is connected with top activated carbon entrance, activated carbon input port and the outlet of bottom activated carbon
It is connected, activated carbon feed bin 500 carries out adsorption treatment to the conveying activated carbon of activated carbon adsorber 400, completes whole adsorption treatment
Activated carbon enters into activated carbon feed bin 500, into next circulation, whole activated carbon adsorber 400 from absorption tower bottom discharge
Interior activated carbon is continuously circulated, and adsorption effect of activated carbon in water is good, efficiency high.After charcoal absorption saturation, can periodically from activity
Charcoal feed bin supplements new activated carbon, and a small amount of waste active carbon, sent for regeneration are periodically discharged in the bottom of activated carbon feed bin 500.
Embodiments in accordance with the present invention, Venturi scrubber 200, washing liquid storage tank 300 and activated carbon adsorber 300 are
Multiple, and correspond connected.Thus, both can uniline scrubbing tower and adsorption tower operation, also can multiple circuits washing
Tower and adsorption tower run simultaneously, and treatment scale is more flexible, are capable of achieving continuous and steady operation, small with occupation area of equipment, throw
The features such as money and few operating cost.
Embodiments in accordance with the present invention, Venturi scrubber 200, washing liquid storage tank 300 and activated carbon adsorber 300 are
Two.Thus, thus, both can uniline scrubbing tower and adsorption tower operation, also can double-circuit scrubbing tower and adsorption tower it is same
Shi Yunhang, not only treatment scale flexibly, is capable of achieving continuous and steady operation, and occupation area of equipment is small, low cost of manufacture, operation
Expense is few.
Embodiments in accordance with the present invention, multiple Venturi scrubbers 200, washing liquid storage tank 300 and activated carbon adsorber 300
It is connected in parallel smoke outlet after the cooling period.Thus, by being connected in parallel, it is capable of achieving to the independent of multiple washing adsorption process
Control, both can uniline scrubbing tower and adsorption tower operation, also can multi-line scrubbing tower and adsorption tower simultaneously run, treatment rule
Mould is more flexible.
According to another aspect of the present invention, the invention provides a kind of using foregoing bioxin removing system treatment flue gas
Method.With reference to Fig. 2, embodiments in accordance with the present invention are entered to the method using foregoing bioxin removing system treatment flue gas
Row is illustrated, and the method includes：
The treatment of S100 spraying coolings
Embodiments in accordance with the present invention, flue gas is delivered into quenching column carries out spraying cooling treatment, the cigarette after being cooled down
Gas.Due to the water smoke that flue gas is formed through spray, counter current contacting is formed with water smoke, contact area is big, and heat exchange efficiency is high, so that complete
Into fast cooling.
Embodiments in accordance with the present invention, the temperature of the flue gas after cooling is 100-200 DEG C.Thus, spraying cooling is processed
Efficiency high, high-temperature flue-gas are substantially reduced, and are sufficiently cooled.
Embodiments in accordance with the present invention, the time of spraying cooling treatment is 1-2 seconds.Thus, cooling velocity is fast, avoids two
Regeneration temperature interval (300-500 DEG C) of Evil English.
Embodiments in accordance with the present invention, spray are carried out to flue gas and complete to be followed after the cooling water after heat exchange is lowered the temperature through cooling tower
Ring is used.
S200 carrying out washing treatment
Embodiments in accordance with the present invention, the flue gas after cooling enters the contraction section of Venturi scrubber, in trunnion diffusion simultaneously
Gas-liquid convection is carried out with cleaning solution and form dust-laden drop, and trap the dust-laden drop in diffuser, the flue gas after being washed,
So as to complete the removing of granule foreign in flue gas, removal effect is good, efficiency high.
S300 adsorption treatments
Embodiments in accordance with the present invention, the flue gas after washing enters charcoal absorption through the smoke inlet after bottom wash
Tower and the activated carbon counter current contacting for circulating entered from top activated carbon entrance and bis- Evil in adsorbing the flue gas after washing
English, the flue gas after being purified.Specifically, the flue gas after washing enters charcoal absorption through the smoke inlet after bottom wash
Tower, passes sequentially through activated carbon conveyer belt absorption platforms at different levels, with the activated carbon for circulating entered from top activated carbon entrance
Counter current contacting simultaneously adsorbs the bioxin in the flue gas after washing, and flue gas is constantly through the continuous flow regime two-stage conveyer belt
In activated carbon, enhance the adsorption effect of activated carbon Dui bioxin, the flue gas after being purified.Some realities of the invention
Example is applied, the removal efficiency of dioxin in flue gas is higher than 90%.Embodiments in accordance with the present invention, the flue gas after purification can directly pass through cigarette
Chimney carries out outer row.
Below with reference to specific embodiment, the present invention will be described, it is necessary to explanation, these embodiments are only explanation
Property, and be not considered as limiting the invention.
The solution of the present invention is explained below in conjunction with embodiment.It will be understood to those of skill in the art that following
Embodiment is merely to illustrate the present invention, and should not be taken as limiting the scope of the invention.Unreceipted particular technique or bar in embodiment
Part, carried out according to the technology or condition described by document in the art or according to product description.Agents useful for same or instrument
The unreceipted production firm person of device, be can by city available from conventional products.
Embodiment 1
System is removed using embodiment of the present invention bioxin to process the useless high-temperature flue gas of certain incineration treatment of garbage factory,
Wherein the structural representation of , bioxin removing system is as shown in figure 1, specific method is as follows：
(1) flue gas (800-900 DEG C) enter through quenching column smoke inlet, and flue gas rapidly drops through cool water shower device water spray
To 100-200 DEG C, the cooling water after heat exchange returns to quenching column to temperature after entering cooling tower cooling, so as to realize that Quench is made with water circulation
With the raffinate for periodically accumulating in exclusion quenching column.
(2) Venturi scrubber 200 in parallel is entered by the low-temperature flue gas after Quench point two-way, flue gas is washed in venturi
Wash and mix with cleaning solution in the trunnion position of device 200, the granule foreign in flue gas is removed in Wen Qiuli washer diffusers.From
And complete the removing of granule foreign in flue gas.
(3) activated carbon adsorber 400 is gone successively to through the flue gas after cooling and dedusting, flue gas enters from the bottom of adsorption tower 400
Enter, pass sequentially through horizontal conveying belts at different levels, flue gas is being contacted during passing through with the activated carbon in conveyer belt, so as to complete removing
Bioxin impurity in flue gas, because flue gas is long with activated carbon time of contact in adsorption tower, contact area is bigger, and flue gas is not
Break through the activated carbon in the continuous flow regime two-stage conveyer belt, more enhance absorption effect of the activated carbon to bioxin
Really.The activated carbon for completing whole adsorption process is discharged from adsorption tower bottom baffle, enters into activated carbon feed bin, is followed into next
Ring, the activated carbon in whole adsorption tower is continuously circulated, and adsorption effect of activated carbon in water is good, efficiency high.After charcoal absorption saturation, can
Periodically to supplement new activated carbon from activated carbon feed bin, the bottom of activated carbon feed bin is periodically discharged a small amount of waste active carbon, is sent to
Regeneration.Bioxin removal efficiency is up to 93% in flue gas after purification, and the flue gas after purification directly carries out outer row by chimney.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or spy that the embodiment or example are described
Point is contained at least one embodiment of the invention or example.In this manual, to the schematic representation of above-mentioned term not
Necessarily refer to identical embodiment or example.And, the specific features of description, structure, material or feature can be any
One or more embodiments or example in combine in an appropriate manner.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
Can these embodiments be carried out with various changes, modification, replacement and modification in the case of departing from principle of the invention and objective, this
The scope of invention is limited by claim and its equivalent.
Claims (10)
1. a kind of bioxin removes system, it is characterised in that including：
Quenching column, the quenching column includes the exhanst gas outlet after smoke inlet and cooling, and internal setting cool water shower device；
Venturi scrubber, the Venturi scrubber includes contraction section, trunnion and diffuser, the contraction section and the cooling
Exhanst gas outlet afterwards is connected；
There is washing liquid storage tank, the washing liquid storage tank cleaning solution to export and cleaning solution entrance, and the cleaning solution is exported and described
Cleaning solution entrance is connected with the trunnion；
There is activated carbon adsorber, the activated carbon adsorber smoke inlet after bottom wash, the flue gas after the purification of top to go out
The outlet of mouth, top activated carbon entrance and bottom activated carbon, and multistage activated carbon conveyer belt suction is set in the activated carbon adsorber
Attached platform, the smoke inlet after the washing is connected with the diffuser；And
Activated carbon feed bin, the active charcoal delivery outlet of activated carbon feed bin and activated carbon input port, the activated carbon delivery outlet
It is connected with the top activated carbon entrance, the activated carbon input port is connected with bottom activated carbon outlet.
2. system according to claim 1, it is characterised in that the Venturi scrubber, the washing liquid storage tank and institute
State activated carbon adsorber and be multiple, and correspond connected.
3. system according to claim 2, it is characterised in that the Venturi scrubber, the washing liquid storage tank and institute
State activated carbon adsorber and be two.
4. system according to claim 2, it is characterised in that multiple Venturi scrubbers, the washing liquid storage tank
The smoke outlet after the cooling is connected in parallel with the activated carbon adsorber.
5. system according to claim 1, it is characterised in that the multistage activated carbon conveyer belt absorption platform is sawtooth
Shape.
6. system according to claim 1, it is characterised in that the activated carbon adsorber is further included：
First baffle, the first baffle is arranged on the top activated carbon porch；
Second baffle, the second baffle is arranged on the bottom activated carbon exit.
7. system according to claim 1, it is characterised in that multistage activated carbon conveyer belt absorption platform is interspersed.
8. the method that the bioxin removing system described in a kind of utilization claim any one of 1-7 processes flue gas, it is characterised in that
Including：
Flue gas is delivered into quenching column carries out spraying cooling treatment, so as to the flue gas after being cooled down；
Flue gas after the cooling enters the contraction section of Venturi scrubber, is spread in trunnion and carries out gas-liquid convection with cleaning solution
Dust-laden drop is formed, and the dust-laden drop is trapped in diffuser, so as to the flue gas after being washed；And
Flue gas after the washing enters activated carbon adsorber through the smoke inlet after bottom wash, and from top activated carbon entrance
The activated carbon counter current contacting for circulating of entrance simultaneously adsorbs bioxin in the flue gas after the washing, after being purified
Flue gas.
9. method according to claim 8, it is characterised in that the temperature of the flue gas after the cooling is 100-200 DEG C.
10. method according to claim 8, it is characterised in that the time of the spraying cooling treatment is 1-2 seconds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611109756.5A CN106693562A (en) | 2016-12-02 | 2016-12-02 | Dioxin removal system and application of dioxin removal system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611109756.5A CN106693562A (en) | 2016-12-02 | 2016-12-02 | Dioxin removal system and application of dioxin removal system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109529540A (en) * | 2019-01-08 | 2019-03-29 | 镇江联智机电设备有限公司 | The exhaust treatment system of wood-based plate manufacture |
| CN112546805A (en) * | 2020-11-18 | 2021-03-26 | 湖北新金洋资源股份公司 | Oily sewage material tail gas treatment device |
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- 2016-12-02 CN CN201611109756.5A patent/CN106693562A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109513310A (en) * | 2017-09-20 | 2019-03-26 | 中国石油化工股份有限公司 | A kind of tower activated coke flue gas purifying method of sieve plate |
| CN109529540A (en) * | 2019-01-08 | 2019-03-29 | 镇江联智机电设备有限公司 | The exhaust treatment system of wood-based plate manufacture |
| CN112546805A (en) * | 2020-11-18 | 2021-03-26 | 湖北新金洋资源股份公司 | Oily sewage material tail gas treatment device |
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