CN106215601A - A kind of flue gas demercuration desulfurization dust-removal system and technique - Google Patents
A kind of flue gas demercuration desulfurization dust-removal system and technique Download PDFInfo
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- CN106215601A CN106215601A CN201610826767.9A CN201610826767A CN106215601A CN 106215601 A CN106215601 A CN 106215601A CN 201610826767 A CN201610826767 A CN 201610826767A CN 106215601 A CN106215601 A CN 106215601A
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- 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
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- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
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- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/62—Carbon oxides
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- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/80—Semi-solid phase processes, i.e. by using slurries
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/50—Carbon oxides
- B01D2257/504—Carbon dioxide
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- 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
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Abstract
The embodiment of the invention discloses a kind of flue gas demercuration desulfurization dust-removal system and technique, control to set up a conversion valve and sack cleaner on device at traditional flue gas pollutant, and can be according to oxygen-enriched combusting or air burning condition switch transition valve, change flue gas flow channel, degree of depth demercuration can be carried out by placing the adsorbent prepared by the flying dust of traditional flue gas pollutant control device in sack cleaner under the conditions of oxygen-enriched combusting, solve activated carbon degree of depth demercuration cost intensive, the rising of cleaner unit load and the problem of flying dust Quality Down.The method comprise the steps that be sequentially connected in series electrostatic precipitator, wet desulphurization device, smoke re-heater, conversion valve, and sack cleaner, CO2Collection device, sedimentation tank, mercurous sorbent collection device and adsorbent prepare subsystem.
Description
Technical field
The present invention relates to the emission control field of coal-fired flue-gas pollutant, particularly relate to a kind of flue gas demercuration desulfurization and dedusting system
System and technique.
Background technology
The concentration range of Mercury In Coal Combustion Flue Gas is usually 1-20 μ g/m3.Although this concentration is the highest, it is contemplated that coal-fired
The enormous quantity of boiler and scale, coal combustion is still the artificial hydrargyrum source of maximum.After hydrargyrum enters human body, liver and kidney can be caused
Infringement even exhaustion.It addition, hydrargyrum or a kind of neurotoxin, its accumulation in cerebral tissue can cause the motion of human body to hinder
Hinder and aphasis.In order to reduce artificial mercury pollution as far as possible, the up-to-date " fossil-fuel power plant atmospheric pollutant emission standard that China promulgates
(GB13223-2011) " requiring that on January 1st, 2015 starts, coal-burning boiler mercury control is at 30 below μ g/m3.At present, China
Thermal power plant's most popular demercuration technology is to utilize existing pollutant catabolic gene equipment demercuration.In SCR flue gas denitrification equipment, will
The oxidation state hydrargyrum that elemental mercury oxidation is easily removing of difficult removing;In cleaner, particle mercury is removed;Set in wet desulphurization
In Bei, by oxidation state mercury removal.Generally, after these equipment, the hydrargyrum concentration in flue gas has substantially conformed to row
Put requirement.But, for oxygen-enriched combustion boiler, owing to using flue gas recirculation, the concentration of mercury in flue gas is burnt than conventional air
In height.Additionally, the hydrargyrum in oxygen-enriched combusting flue gas is easy and the CO of aluminum2Collection device generates amalgam, to CO2Collection device causes
Corrosion.Therefore, the flue gas that oxygen-enriched combusting is produced, utilize existing pollutant catabolic gene equipment demercuration cannot meet demercuration and want
Ask, need to carry out degree of depth demercuration.
Active carbon adsorption technology is the degree of depth demercuration technology of the most ripe and existing commercial Application, but this technology is deposited
In some deficiency following: adsorbent high cost;The activated carbon sprayed into can cause the rising of cleaner load;Cause flying dust matter
The reduction of amount, affects the recycling of flying dust.
Summary of the invention
Embodiments provide a kind of flue gas demercuration desulfurization dust-removal system and technique, in traditional flue gas pollutant control
A conversion valve and sack cleaner is set up, it is possible to according to oxygen-enriched combusting or air burning condition switch transition on device processed
Valve, changes flue gas flow channel, can be by placing in sack cleaner by traditional smoke pollution under the conditions of oxygen-enriched combusting
The adsorbent that the flying dust of thing control device prepares carries out degree of depth demercuration, solves activated carbon degree of depth demercuration cost intensive, dedusting
Device load raises and the problem of flying dust Quality Down.
A kind of flue gas demercuration desulfurization dust-removal system provided in the embodiment of the present invention, removes including the electrostatic being sequentially connected in series
Dirt device, wet desulphurization device, smoke re-heater, conversion valve, and sack cleaner, CO2Collection device, sedimentation tank, mercurous
Sorbent collection device and adsorbent prepare subsystem;
Described sack cleaner entrance is connected with described conversion valve;
Described CO2Collection device, described mercurous sorbent collection device are connected with the outlet of described sack cleaner respectively;
Described sedimentation tank is connected with the outlet of described wet desulphurization device;
The outlet of entrance and described electrostatic precipitator that described adsorbent prepares subsystem is connected, described adsorbent preparation
The outlet of system is connected with the entrance of described sack cleaner.
Alternatively,
Described flue gas demercuration desulfurization dust-removal system also includes the chimney being connected to the outlet of described conversion valve.
Alternatively,
Described adsorbent prepares ash collecting device that subsystem includes being sequentially connected in series, flotation device, Adsorbent modification
Device, valve and be connected to described flotation device outlet storage ash silo;
The entrance of described ash collecting device is connected with the outlet of described electrostatic precipitator;
The outlet of described valve is connected with the entrance of described sack cleaner.
A kind of any one described flue gas demercuration desulfurization mentioned based on the present embodiment that the embodiment of the present invention provides removes
The flue gas demercuration desulfurization dust-removing technique of dirt system, including:
Described flue gas demercuration desulfurization dust-removal system carries out electrostatic precipitation and wet desulphurization demercuration successively to flue gas;
If under the conditions of oxygen-enriched combusting, the flying dust carbon residue that the most described flue gas demercuration desulfurization dust-removal system produces with electrostatic precipitation
Adsorbent is prepared for raw material;
Described flue gas demercuration desulfurization dust-removal system passes through the described adsorbent of preparation to through electrostatic precipitation and wet desulphurization
The described flue gas of demercuration carries out degree of depth demercuration.
Alternatively,
After described flue gas demercuration desulfurization dust-removal system carries out electrostatic precipitation and wet desulphurization demercuration successively to flue gas also
Including: if under the conditions of air burning, the most described flue gas demercuration desulfurization dust-removal system will take off through electrostatic precipitation and wet desulphurization
The flue gas of hydrargyrum enters air by described chimney.
Alternatively,
Described flue gas demercuration desulfurization dust-removal system flue gas is carried out electrostatic precipitation and wet desulphurization demercuration successively particularly as follows:
Described flue gas demercuration desulfurization dust-removal system goes out the dust granules in flue gas and particle mercury by electrostatic;
Described flue gas demercuration desulfurization dust-removal system is by spraying desulfurization slurry by the sulfur in flue gas and oxidation soluble in water
State hydrargyrum changes into the sulfide of solid-state and the compound of hydrargyrum and the described sulfide of one-tenth solid-state and the compound of hydrargyrum is collected
Then stabilizer is added;
Flue gas reheating after described flue gas demercuration desulfurization dust-removal system will be processed by spray desulfurization slurry makes flue gas temperature
Degree improves to 80-100 DEG C.
Alternatively,
If under the conditions of oxygen-enriched combusting, the flying dust carbon residue that the most described flue gas demercuration desulfurization dust-removal system produces with electrostatic precipitation
Prepare adsorbent for raw material particularly as follows:
If under the conditions of oxygen-enriched combusting, the flotation device of described flue gas demercuration desulfurization dust-removal system is from passing through ash collecting device
The flying dust collected selects flying dust carbon residue, then residue flying dust is collected storage ash silo;
The Adsorbent modification device of described flue gas demercuration desulfurization dust-removal system carries out sorbent treatment to described flying dust carbon residue
And be dried, it is then stored in sorbent collection device.
Alternatively,
Described flue gas demercuration desulfurization dust-removal system passes through the described adsorbent of preparation to through electrostatic precipitation and wet desulphurization
The flue gas of demercuration carry out degree of depth demercuration particularly as follows:
The valve of described flue gas demercuration desulfurization dust-removal system is opened and is made described adsorbent enter sack cleaner and adsorb warp
Cross the Elemental Mercury in the flue gas of electrostatic precipitation and wet desulphurization demercuration and then pass through CO2Collection device is collected and is remained described flue gas,
Collect described adsorbent by mercurous sorbent collection device simultaneously.
As can be seen from the above technical solutions, the embodiment of the present invention has the advantage that
1, control to set up a conversion valve and sack cleaner on device at traditional flue gas pollutant, it is possible to according to
Oxygen-enriched combusting or air burning condition switch transition valve, change flue gas flow channel, can be by cloth under the conditions of oxygen-enriched combusting
Bag dust collector is placed and is controlled adsorbent that the flying dust of device prepares to carry out degree of depth demercuration by traditional flue gas pollutant, solve
Activated carbon degree of depth demercuration cost intensive, cleaner unit load raise and the problem of flying dust Quality Down.
2, it is stored in removing the flying dust beyond carbon residue in storage ash silo, has no effect on the recycling of flying dust, and the degree of depth takes off
Hydrargyrum technique essentially eliminates entrance aluminum CO2The hydrargyrum of collection device, is effectively prevented generation and the CO of amalgam2Collection device
Corrosion.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, also may be used
To obtain other accompanying drawing according to these accompanying drawings.
The structure and connection diagram of a kind of flue gas demercuration desulfurization dust-removal system that Fig. 1 provides for the embodiment of the present invention;
The flow chart of one embodiment of a kind of flue gas demercuration desulfurization dust-removing technique that Fig. 2 position embodiment of the present invention provides;
The flow process of another embodiment of a kind of flue gas demercuration desulfurization dust-removing technique that Fig. 3 position embodiment of the present invention provides
Figure.
Illustrate: 1, boiler;2, electrostatic precipitator;3, wet desulphurization device;4, smoke re-heater;5, conversion valve;
6, sack cleaner;7、CO2Collection device;8, chimney;9, ash collecting device;10, flotation device;11, storage ash silo;12, absorption
Agent reforming apparatus;13, sorbent collection device;14, valve;15, sedimentation tank;16, mercurous sorbent collection device.
Detailed description of the invention
Embodiments provide a kind of flue gas demercuration desulfurization dust-removal system and technique, in traditional flue gas pollutant control
A conversion valve and sack cleaner is set up, it is possible to according to oxygen-enriched combusting or air burning condition switch transition on device processed
Valve, changes flue gas flow channel, can be by placing in sack cleaner by traditional smoke pollution under the conditions of oxygen-enriched combusting
The adsorbent that the flying dust of thing control device prepares carries out degree of depth demercuration, solves activated carbon degree of depth demercuration cost intensive, dedusting
Device load raises and the problem of flying dust Quality Down.
For making the goal of the invention of the present invention, feature, the advantage can be the most obvious and understandable, below in conjunction with the present invention
Accompanying drawing in embodiment, is clearly and completely described the technical scheme in the embodiment of the present invention, it is clear that disclosed below
Embodiment be only a part of embodiment of the present invention, and not all embodiment.Based on the embodiment in the present invention, this area
All other embodiments that those of ordinary skill is obtained under not making creative work premise, broadly fall into present invention protection
Scope.
Refer to Fig. 1, an embodiment of a kind of flue gas demercuration desulfurization dust-removal system that the embodiment of the present invention provides, including
The electrostatic precipitator that is sequentially connected in series, wet desulphurization device, smoke re-heater, conversion valve, and sack cleaner, CO2
Collection device, sedimentation tank, mercurous sorbent collection device and adsorbent prepare subsystem;
Sack cleaner entrance is connected with conversion valve;
CO2Collection device, mercurous sorbent collection device are connected with sack cleaner outlet respectively;
Sedimentation tank is connected with wet desulphurization device outlet;
The outlet of entrance and electrostatic precipitator that adsorbent prepares subsystem is connected, adsorbent prepare the outlet of subsystem with
The entrance of sack cleaner connects.
Flue gas demercuration desulfurization dust-removal system also includes the chimney being connected to conversion valve outlet.
Adsorbent prepare ash collecting device that subsystem includes being sequentially connected in series, flotation device, Adsorbent modification device,
Valve and be connected to flotation device outlet storage ash silo;
The entrance of ash collecting device is connected with the outlet of electrostatic precipitator;
The outlet of valve is connected with the entrance of sack cleaner.
Refer to Fig. 2, an embodiment of a kind of flue gas demercuration desulfurization dust-removing technique that the embodiment of the present invention provides, bag
Include:
101, flue gas demercuration desulfurization dust-removal system carries out electrostatic precipitation and wet desulphurization demercuration successively to flue gas;
102, if under the conditions of oxygen-enriched combusting, then the flying dust carbon residue that flue gas demercuration desulfurization dust-removal system produces with electrostatic precipitation
Adsorbent is prepared for raw material;
103, flue gas demercuration desulfurization dust-removal system passes through the adsorbent of preparation to through electrostatic precipitation and wet desulphurization demercuration
Flue gas carry out degree of depth demercuration.
In the present embodiment, flue gas demercuration desulfurization dust-removal system first carries out electrostatic precipitation successively to flue gas and wet desulphurization takes off
Hydrargyrum, if under the conditions of oxygen-enriched combusting, then the flying dust carbon residue that flue gas demercuration desulfurization dust-removal system produces with electrostatic precipitation is for raw material system
Standby adsorbent, then flue gas demercuration desulfurization dust-removal system passes through the adsorbent of preparation to through electrostatic precipitation and wet desulphurization demercuration
Flue gas carry out degree of depth demercuration.
Refer to Fig. 3, another embodiment of a kind of flue gas demercuration desulfurization dust-removing technique that the embodiment of the present invention provides, bag
Include:
201, flue gas demercuration desulfurization dust-removal system goes out the dust granules in flue gas and particle mercury by electrostatic.
202, flue gas demercuration desulfurization dust-removal system is by spraying desulfurization slurry by the sulfur in flue gas and oxidation soluble in water
State hydrargyrum changes into the sulfide of solid-state and the compound of hydrargyrum and the sulfide of solid-state and the compound of hydrargyrum will be become to collect then
Add stabilizer;
It should be noted that stabilizer has multiple, such as NaHS solution or Fenton reagent, it is used for preventing oxidation state hydrargyrum from sending out
Life restores reaction.
203, the flue gas reheating after flue gas demercuration desulfurization dust-removal system will be processed by spray desulfurization slurry makes flue gas temperature
Degree improves to 80-100 DEG C.
204, if under the conditions of oxygen-enriched combusting, the flotation device of flue gas demercuration desulfurization dust-removal system is from passing through ash collecting device
The flying dust collected selects flying dust carbon residue, then residue flying dust is collected storage ash silo;
It should be noted that it is in order to follow-up adsorbent preparation is prepared that residue flying dust is collected storage ash silo.
205, the Adsorbent modification device of flue gas demercuration desulfurization dust-removal system carries out sorbent treatment to flying dust carbon residue and goes forward side by side
Row is dried, and is then stored in sorbent collection device;
Include carrying out soaking bromine, leaching chlorine and sulfur impregnated it should be noted that flying dust carbon residue carries out sorbent treatment, thus strengthen
The adsorbent absorbability to Elemental Mercury.
206, the valve of flue gas demercuration desulfurization dust-removal system is opened and is made adsorbent enter sack cleaner and adsorb through quiet
Then Elemental Mercury in the flue gas of electric precipitation and wet desulphurization demercuration passes through CO2Collection device collects residue flue gas, passes through simultaneously
Mercurous sorbent collection device collects adsorbent.
207, if under the conditions of air burning, then flue gas demercuration desulfurization dust-removal system will be through electrostatic precipitation and wet desulphurization
The flue gas of demercuration enters air by chimney.
In the present embodiment, originally, flue gas demercuration desulfurization dust-removal system by electrostatic go out the dust granules in flue gas and
Grain state hydrargyrum, then flue gas demercuration desulfurization dust-removal system is by spraying desulfurization slurry by the sulfur in flue gas and oxidation state soluble in water
Hydrargyrum changes into the sulfide of solid-state and the compound of hydrargyrum and the sulfide of solid-state and the compound of hydrargyrum will be become to collect and then add
Adding stabilizer, the flue gas after flue gas demercuration desulfurization dust-removal system will be processed by spray desulfurization slurry afterwards reheats and makes flue gas temperature
Degree improves to 80-100 DEG C, and the actual conditions of boiler combustion is depended in process afterwards, has two kinds of situations as follows, if in oxygen-enriched combustion
Under the conditions of burning, it is residual that the flotation device of flue gas demercuration desulfurization dust-removal system selects flying dust from the flying dust collected by ash collecting device
Charcoal, then collects storage ash silo by residue flying dust, and then the Adsorbent modification device of flue gas demercuration desulfurization dust-removal system is to flying dust
Carbon residue carries out sorbent treatment and is dried, and is then stored in sorbent collection device, last flue gas demercuration desulfurization and dedusting
The valve of system is opened and is made adsorbent enter sack cleaner and adsorb in the flue gas of electrostatic precipitation and wet desulphurization demercuration
Elemental Mercury then pass through CO2Collection device collects residue flue gas, collects adsorbent by mercurous sorbent collection device simultaneously,
And if under the conditions of air burning, then flue gas demercuration desulfurization dust-removal system is by through electrostatic precipitation and the flue gas of wet desulphurization demercuration
Air is entered by chimney.
Those skilled in the art is it can be understood that arrive, for convenience and simplicity of description, and the system of foregoing description,
The specific works process of device and unit, is referred to the corresponding process in preceding method embodiment, does not repeats them here.
The above, above example only in order to technical scheme to be described, is not intended to limit;Although with reference to front
State embodiment the present invention has been described in detail, it will be understood by those within the art that: it still can be to front
State the technical scheme described in each embodiment to modify, or wherein portion of techniques feature is carried out equivalent;And these
Amendment or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (8)
1. a flue gas demercuration desulfurization dust-removal system, including the electrostatic precipitator being sequentially connected in series, wet desulphurization device, flue gas
Reheater, conversion valve, it is characterised in that also include sack cleaner, CO2Collection device, sedimentation tank, mercurous sorbent collection
Device and adsorbent prepare subsystem;
Described sack cleaner entrance is connected with described conversion valve;
Described CO2Collection device, described mercurous sorbent collection device are connected with the outlet of described sack cleaner respectively;
Described sedimentation tank is connected with the outlet of described wet desulphurization device;
The outlet of entrance and described electrostatic precipitator that described adsorbent prepares subsystem is connected, and described adsorbent prepares subsystem
Outlet be connected with the entrance of described sack cleaner.
Flue gas demercuration desulfurization dust-removal system the most according to claim 1, it is characterised in that also include being connected to described conversion
The chimney of valve export.
Flue gas demercuration desulfurization dust-removal system the most according to claim 1, it is characterised in that described adsorbent prepares subsystem
Including the ash collecting device being sequentially connected in series, flotation device, Adsorbent modification device, valve and be connected to described flotation device
The storage ash silo of outlet;
The entrance of described ash collecting device is connected with the outlet of described electrostatic precipitator;
The outlet of described valve is connected with the entrance of described sack cleaner.
4. a flue gas demercuration based on the flue gas demercuration desulfurization dust-removal system as described in any one in claims 1 to 3 takes off
Sulfur dust collecting process, it is characterised in that including:
Described flue gas demercuration desulfurization dust-removal system carries out electrostatic precipitation and wet desulphurization demercuration successively to flue gas;
If under the conditions of oxygen-enriched combusting, the most described flue gas demercuration desulfurization dust-removal system is former with the flying dust carbon residue that electrostatic precipitation produces
Adsorbent prepared by material;
Described flue gas demercuration desulfurization dust-removal system passes through the described adsorbent of preparation to through electrostatic precipitation and wet desulphurization demercuration
Described flue gas carry out degree of depth demercuration.
Flue gas demercuration desulfurization dust-removing technique the most according to claim 3, it is characterised in that remove in described flue gas demercuration desulfurization
Dirt system also includes after flue gas is carried out electrostatic precipitation and wet desulphurization demercuration successively: if under the conditions of air burning, then institute
State flue gas demercuration desulfurization dust-removal system and the flue gas through electrostatic precipitation and wet desulphurization demercuration is entered air by described chimney.
Flue gas demercuration desulfurization dust-removing technique the most according to claim 4, it is characterised in that described flue gas demercuration desulfurization and dedusting
System flue gas is carried out electrostatic precipitation and wet desulphurization demercuration successively particularly as follows:
Described flue gas demercuration desulfurization dust-removal system goes out the dust granules in flue gas and particle mercury by electrostatic;
Described flue gas demercuration desulfurization dust-removal system is by spraying desulfurization slurry by the sulfur in flue gas and oxidation state hydrargyrum soluble in water
Change into the sulfide of solid-state and the compound of hydrargyrum and then the described sulfide of one-tenth solid-state and the compound of hydrargyrum are collected
Add stabilizer;
Flue gas reheating after described flue gas demercuration desulfurization dust-removal system will be processed by spray desulfurization slurry makes flue-gas temperature carry
Up to 80-100 DEG C.
Flue gas demercuration desulfurization dust-removing technique the most according to claim 4, it is characterised in that if under the conditions of oxygen-enriched combusting,
The flying dust carbon residue that the most described flue gas demercuration desulfurization dust-removal system produces with electrostatic precipitation prepare adsorbent for raw material particularly as follows:
If under the conditions of oxygen-enriched combusting, the flotation device of described flue gas demercuration desulfurization dust-removal system is collected from by ash collecting device
Flying dust in select flying dust carbon residue, then residue flying dust is collected storage ash silo;
The Adsorbent modification device of described flue gas demercuration desulfurization dust-removal system carries out sorbent treatment to described flying dust carbon residue and goes forward side by side
Row is dried, and is then stored in sorbent collection device.
Flue gas demercuration desulfurization dust-removing technique the most according to claim 4, it is characterised in that described flue gas demercuration desulfurization and dedusting
System by the described adsorbent of preparation the flue gas through electrostatic precipitation and wet desulphurization demercuration carried out degree of depth demercuration particularly as follows:
The valve of described flue gas demercuration desulfurization dust-removal system is opened and is made described adsorbent enter sack cleaner and adsorb through quiet
Then Elemental Mercury in the flue gas of electric precipitation and wet desulphurization demercuration passes through CO2Collection device is collected and is remained described flue gas, simultaneously
Described adsorbent is collected by mercurous sorbent collection device.
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EP3950096A4 (en) * | 2019-04-01 | 2023-03-29 | Mitsubishi Heavy Industries, Ltd. | Device and method pertaining to gas purification treatment and/or combustion ash neutralization treatment |
Citations (7)
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