CN107376614A - A kind of cigarette cooler for being applied to flue gas after burning combines mercury removal device with ultraviolet - Google Patents
A kind of cigarette cooler for being applied to flue gas after burning combines mercury removal device with ultraviolet Download PDFInfo
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- CN107376614A CN107376614A CN201710719592.6A CN201710719592A CN107376614A CN 107376614 A CN107376614 A CN 107376614A CN 201710719592 A CN201710719592 A CN 201710719592A CN 107376614 A CN107376614 A CN 107376614A
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- ultraviolet
- flue gas
- flue
- snakelike
- cigarette cooler
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 68
- 239000003546 flue gas Substances 0.000 title claims abstract description 68
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 title claims abstract description 62
- 235000019504 cigarettes Nutrition 0.000 title claims abstract description 56
- 229910052753 mercury Inorganic materials 0.000 title claims abstract description 50
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 37
- 230000003647 oxidation Effects 0.000 claims abstract description 29
- 230000008676 import Effects 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 230000008859 change Effects 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 12
- 239000003463 adsorbent Substances 0.000 abstract description 9
- 239000003054 catalyst Substances 0.000 abstract description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 9
- 238000006477 desulfuration reaction Methods 0.000 description 8
- 230000023556 desulfurization Effects 0.000 description 8
- 239000003570 air Substances 0.000 description 5
- 239000012717 electrostatic precipitator Substances 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 241000270295 Serpentes Species 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 206010022000 influenza Diseases 0.000 description 1
- 229940100892 mercury compound Drugs 0.000 description 1
- 150000002731 mercury compounds Chemical class 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- B01D53/76—Gas phase processes, e.g. by using aerosols
-
- 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
- B01D53/007—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 irradiation
-
- 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
- B01D53/64—Heavy metals or compounds thereof, e.g. mercury
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/60—Heavy metals or heavy metal compounds
- B01D2257/602—Mercury or mercury compounds
-
- 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
- B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
- B01D2259/804—UV light
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Biomedical Technology (AREA)
- Dispersion Chemistry (AREA)
- Toxicology (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention belongs to coal-fired flue-gas mercury removal correlative technology field, it discloses a kind of cigarette cooler for being applied to flue gas after burning to combine mercury removal device with ultraviolet, it includes cigarette cooler and ultra-violet oxidation structure, and the cigarette cooler is used to be connected with the ultra-violet oxidation structure；The ultra-violet oxidation structure includes snakelike flue, humidity regulation component and multiple ultraviolet searchlights, and the snakelike flue is used to be connected with the cigarette cooler, and the humidity regulation component is arranged on the snakelike flue close to the position of import；Multiple ultraviolet searchlights are separately positioned on the corner of the snakelike flue, and for launching ultraviolet into the snakelike flue, so that the Elemental Mercury in flue gas occurs oxidation reaction in the presence of the ultraviolet and changes into bivalent mercury.The present invention is combined realization without the demercuration in the case of catalyst and adsorbent by cigarette cooler and ultraviolet, and cost is relatively low, and efficiency is higher, and flexibility is preferable, and practicality is stronger.
Description
Technical field
The invention belongs to coal-fired flue gas mercury removal correlative technology field, is applied to flue gas after burning more particularly, to one kind
Cigarette cooler combine mercury removal device with ultraviolet.
Background technology
Mercury has the distinguishing features such as hypertoxicity, strong volatility and Accumulative effect, it has also become the big compression ring of China's new round
The control object of border pollution control.In the compound of mercury, nonvalent mercury is not easy by dedusting or desulfurization equipment because volatility is stronger
Capture, most of mercury compound is with Hg0Form be discharged into air with flue gas.Mercury element exists in flue gas in the form of three kinds, point
Wei not bivalent mercury, Elemental Mercury and particle mercury.Hg2+The main oxidation form for being mercury element in coal-fired flue-gas, it is soluble in water.
Hg0As rare several volatile metal simple substance, volatility is stronger, water-soluble relatively low, is most rambunctious in three kinds of forms
A kind of existing forms, and in ambient air mercury pollution principal mode.Under certain condition, three kinds of existing forms of mercury can be real
Now mutually conversion.
At present, demercuration mainly has three class methods after burning, i.e., using the equipment collaboration such as dedusting, desulphurization denitration control technology,
Adsorbent demercuration technology and Novel demercuration technology.Convenient, the demercuration using the application of the equipment collaboration such as dedusting, desulphurization denitration control technology
Cost is low, but removal efficiency be present and be not as high as the problem of adsorbent demercuration technical efficiency.Adsorbent demercuration technology is mainly using work
For property carbon as adsorbent, activated carbon demercuration belongs to physical absorption demercuration, has good suction to nonvalent mercury, bivalent mercury and particulate Hg
Attached effect, wherein 99% is up to the removal efficiency of nonvalent mercury, but activated carbon is expensive, this has had a strong impact on pushing away for the technology
Extensively.Novel demercuration technology also not up to can be used generally, strong applicability, the level of better economy.
The content of the invention
For the disadvantages described above or Improvement requirement of prior art, the invention provides a kind of cigarette for being applied to flue gas after burning
The characteristics of cooler combines mercury removal device with ultraviolet, and it is based on existing demercuration method, study and devise suitable for cigarette after burning
The cigarette cooler of gas combines mercury removal device with ultraviolet.The cigarette cooler combine with ultraviolet mercury removal device by by cigarette cooler with it is purple
Outside line is combined to carry out demercuration, and without catalyst and adsorbent, cost is relatively low, only with the cost of activated carbon demercuration technology 1/7 just
More than 90% same removal efficiency can be reached, better economy, flexibility is higher, and practicality is stronger, improves sustainability,
It is green.In addition, the cooperation of cigarette cooler, humidity regulation component and ultraviolet searchlight position, realizes temperature, humidity
And the combination regulation of flue gas residence time so that Gas Parameters reach the optimum reaction condition of ultraviolet demercuration, improve demercuration
Efficiency and removal efficiency.
To achieve the above object, combine the invention provides a kind of cigarette cooler for being applied to flue gas after burning with ultraviolet de-
Mercury device, it includes cigarette cooler and ultra-violet oxidation structure, and the cigarette cooler is used to be connected with the ultra-violet oxidation structure,
And for the temperature for entering the flue gas of the ultra-violet oxidation structure to be dropped into predetermined temperature；
The ultra-violet oxidation structure includes snakelike flue, humidity regulation component and multiple ultraviolet searchlights, the snake
Shape flue is used to be connected with the cigarette cooler, and the humidity regulation component is arranged on the snakelike flue close to the position of import
Put, it is used for the humidity for adjusting the flue gas in the snakelike flue；Multiple ultraviolet searchlights are separately positioned on the snake
The corner of shape flue, and for launching ultraviolet into the snakelike flue, so that the Elemental Mercury in flue gas is described ultraviolet
Oxidation reaction occurs in the presence of line and changes into bivalent mercury, and then is removed.
Further, the incident direction of the ultraviolet is parallel with the flow direction of corresponding flue gas.
Further, the predetermined temperature is 80 DEG C~100 DEG C.
Further, the predetermined temperature is 90 DEG C.
Further, the wavelength of the ultraviolet is 185 nanometers.
Further, the water vapor concentration in the flue gas in the snakelike flue is 20ppmV~100ppmV.
Further, the humidity regulation component includes hygrometer and atomizing humidifier, the hygrometer and the spraying
Humidifier is arranged at intervals, and the hygrometer is set adjacent to the import of the snakelike flue.
Further, the inlet and outlet size of the snakelike flue and the position size and position phase with part to be connected respectively
Size and the position of part to be connected need not be changed when matching, i.e. the ultra-violet oxidation structure use.
Further, multiple ultraviolet searchlights are disposed on the corner of the snakelike flue two-by-two respectively.
In general, by the contemplated above technical scheme of the present invention compared with prior art, it is provided by the invention suitable
Cigarette cooler for flue gas after burning is combined mercury removal device with ultraviolet and mainly had the advantages that：
1. the cigarette cooler combines mercury removal device with ultraviolet by the way that cigarette cooler is combined to carry out demercuration, nothing with ultraviolet
Catalyst and adsorbent are needed, cost is relatively low, only with the cost of activated carbon demercuration technology 1/7 with regard to that can reach same more than 90%
Removal efficiency, better economy, flexibility is higher, and practicality is stronger, improves sustainability, green；
2. the cooperation of cigarette cooler, humidity regulation component and ultraviolet searchlight position, realizes temperature, humidity and cigarette
The combination regulation of gas holdup time so that Gas Parameters reach the optimum reaction condition of ultraviolet demercuration, improve demercuration efficiency
And removal efficiency；
3. using ultraviolet searchlight as ultraviolet source, compared to ultraviolet lamp tube, it is not washed away and corroded by flue gas,
Extend service life；
4. the ultraviolet searchlight is arranged on the corner of the snakelike flue, with using the delay of corner fluid and
Speed is lost to increase the time of contact of ultraviolet and flue gas；The incident direction of the ultraviolet and the corresponding snakelike flue
The flow direction of interior flue gas is parallel, to extend the time of contact of flue gas and ultraviolet, more improves the utilization rate of ultraviolet, and one
Determine to avoid in degree the ultraviolet for still having respond by the flue wall of the snakelike flue absorb and caused by energy damage
Consumption.
Brief description of the drawings
Fig. 1 is that the cigarette cooler suitable for flue gas after burning that better embodiment of the present invention provides combines demercuration with ultraviolet
Device is applied to the flow chart of coal-burning power plant；
Fig. 2 is that the cigarette cooler for being applied to flue gas after burning in Fig. 1 combines the ultra-violet oxidation of mercury removal device with ultraviolet
The floor map of structure；
Fig. 3 is that the cigarette cooler for being applied to flue gas after burning in Fig. 1 combines the ultra-violet oxidation of mercury removal device with ultraviolet
The schematic perspective view of structure；
Fig. 4 is the flue internal drop schematic diagram of existing coal-burning power plant；
Fig. 5 is the flue internal drop schematic diagram of the ultra-violet oxidation structure in Fig. 1.
In all of the figs, identical reference is used for representing identical element or structure, wherein：10- denitration structures,
20- air preheaters, 30- cigarette coolers, 40- electrostatic precipitator, 50- ultra-violet oxidation structures, the snakelike flues of 51-, 511- imports, 52-
Hygrometer, 53- atomizing humidifiers, 54- ultraviolet searchlights, 60- air-introduced machines, 70- desulfurization structures.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in each embodiment of invention described below
Conflict can is not formed each other to be mutually combined.
Refer to Fig. 1 to Fig. 3, after burning that what better embodiment of the present invention provided be applied to the cigarette cooler of flue gas with it is ultraviolet
Line combines mercury removal device, and the cigarette cooler combines mercury removal device with ultraviolet by the way that cigarette cooler and ultra-violet oxidation structure are mutually tied
Close, oxidation reaction occurs using the Elemental Mercury in flue gas during action of ultraviolet radiation and is converted into bivalent mercury soluble in water, without urging
Agent and adsorbent, realize the Elemental Mercury in low cost, high efficiency removing flue gas.
The cigarette cooler, which combines mercury removal device with ultraviolet, includes cigarette cooler 30 and ultra-violet oxidation structure 50, described ultraviolet
Line oxidation structure 50 is connected with the cigarette cooler 30.It is appreciated that in other embodiments, the cigarette cooler 30 with it is described
Ultra-violet oxidation structure 50 can be connected only when in use, connected or do not connected when not in use.
The cigarette cooler 30 is used to treat that the flue gas into the ultra-violet oxidation structure 50 is cooled to predetermined temperature, simultaneously
Most of vapor in flue gas is removed, to reduce flue-gas temperature, optimum condition is provided for oxidation reaction.Present embodiment
In, the predetermined temperature is 80 DEG C~100 DEG C, it is preferable that the predetermined temperature is 90 DEG C.
The ultra-violet oxidation structure 50 is used to turn the Elemental Mercury entered in the flue gas in it in the presence of ultraviolet
Turn to bivalent mercury soluble in water.The ultra-violet oxidation structure 50 includes snakelike flue 51, hygrometer 52, atomizing humidifier 53
And ultraviolet searchlight 54.
The snakelike flue 51 extends the residence time of flue gas relative to existing Flue duct design, is advantageous in flue gas
The abundant progress of the oxidation reaction of Elemental Mercury.The snakelike flue 51 be provided with import 511 and with the import 511 is opposite goes out
Mouthful, the import 511 is used to enter the snakelike flue 50 for the flue gas after the cigarette cooler 30 cooling, and described export is used for
Discharged for flue gas from the snakelike flue 50.In present embodiment, the inlet and outlet size of the snakelike flue 50 and position difference
Match with the size of part to be connected and position, position and the size of part to be connected need not be changed during use.
The hygrometer 52 and the atomizing humidifier 53 are disposed on one end of the snakelike flue 51, and described wet
Degree meter 52 is set adjacent to the import 511.The hygrometer 52 is used for the wet of the flue gas tested into the snakelike flue 51
Degree, and the humidity that obtains will be tested and feed back to control assembly, described in the control assembly controls according to the humidity value received
Atomizing humidifier 53 is reacted, if current humidity value does not reach optimum range, the atomizing humidifier 53 passes through spraying
The mode of humidification is by the humidity regulation of flue gas to optimum range.In present embodiment, the hygrometer 52 and the spraying humidification
Device 53 forms humidity regulation component, and the humidity regulation component is mainly for the insufficient situation of water vapor concentration in flue gas, to protect
The water vapor concentration in flue gas is demonstrate,proved in the range of 20ppmV~100ppmV；The hygrometer 52 and the atomizing humidifier 53
Between spacing be to be determined by the flue gas mean flow rate in the snakelike flue 51 and the reaction time of the humidity regulation component
's.
The ultraviolet searchlight 54 is used for towards transmitting ultraviolet in the snakelike flue 51, so that the Elemental Mercury in flue gas
Oxidation reaction occurs in the presence of the ultraviolet and is converted into bivalent mercury soluble in water.The ultraviolet searchlight 54 is set
Put in the corner of the snakelike flue 51, to increase ultraviolet and flue gas using the delay of corner fluid and speed loss
Time of contact.The incident direction of the ultraviolet is parallel with the flow direction of the flue gas in the corresponding snakelike flue 51,
To extend the time of contact of flue gas and ultraviolet, the utilization rate of ultraviolet is more improved, avoid still has reaction to a certain extent
The ultraviolet of ability energy loss caused by by the wall absorption of the snakelike flue 51.It is described ultraviolet in present embodiment
The wavelength of line is 185 nanometers；The quantity of the ultraviolet searchlight 54 be ten, ten ultraviolet searchlights 54 two-by-two between
Every being arranged on a corner；It is appreciated that in other embodiments, the quantity of the ultraviolet searchlight 54 can basis
It is actually needed increase or reduces.
Fig. 4 and Fig. 5 is referred to, understands that the snakelike flue 51 can increase compared to existing flue after analysis chart 4 and Fig. 5
100Pa or so flue resistance, in order to ensure the normal operation of follow-up equipment, extra increased flue resistance passes through follow-up equipment
The pressure head of the air-introduced machine 60 of desulfurization structure 70 is overcome.
Combine mercury removal device with ultraviolet by the cigarette cooler below the present invention is entered to advance applied to exemplified by coal-burning power plant
The explanation of one step.Cigarette cooler 30 is arranged between air preheater 20 and electrostatic precipitator 40, the ultra-violet oxidation structure 50 is set
It is placed between the electrostatic precipitator 40 and the desulfurization structure 70, the flue gas after being burnt in the boiler of coal-burning power plant is through denitration knot
Structure 10 enters the air preheater 20, i.e., described air preheater 20 is connected with the denitration structure 10 and the cigarette cooler 30 respectively.
The size of the inlet and outlet of the snakelike flue 51 and the position outlet with the electrostatic precipitator 40 and the desulfurization structure respectively
The size of 70 import and position are corresponding, i.e., do not change the locus of the electrostatic precipitator 40 and the desulfurization structure 70
The Elemental Mercury of flue gas after boiler combustion can be converted into bivalent mercury, and removing processing is carried out by the desulfurization structure 70.Pass through
Increase the mode of the pressure head of the air-introduced machine 60 to overcome the flue gas resistance that the snakelike flue 51 introduces.
In present embodiment, for 300MW units, snakelike flue is regarded using once roundabout serpentine design, roundabout number
Specific unit can be increased or decreased suitably；Meanwhile from the ultraviolet searchlight that rated power is 1kW, ultraviolet searchlight work(
Rate visually specific unit and the suitably increase or reduction of snakelike flue size；Wavelength is 185nm ultraviolet in water vapor concentration height
In 20ppmV and less than 100ppmV, temperature be 94 DEG C, under conditions of flue gas and UV contact time are 1.2s~1.5s, can
With by the Hg in flue gas0Bivalent mercury is oxidized to, and oxidation efficiency reaches more than 90%, the bivalent mercury after oxidation is in follow-up wet method
Removed in the lump in desulfurization structure.
The cigarette cooler provided by the invention for being applied to flue gas after burning combines mercury removal device with ultraviolet, the cigarette cooler and
Ultraviolet combines mercury removal device by the way that cigarette cooler is combined with ultra-violet oxidation structure, using in flue gas during action of ultraviolet radiation
Elemental Mercury occurs oxidation reaction and is converted into bivalent mercury soluble in water, without catalyst and adsorbent, realizes inexpensive height
Elemental Mercury in efficiency removing flue gas.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, all any modification, equivalent and improvement made within the spirit and principles of the invention etc., all should be included
Within protection scope of the present invention.
Claims (9)
1. a kind of cigarette cooler for being applied to flue gas after burning combines mercury removal device with ultraviolet, it is characterised in that：The cigarette cooler
Combining mercury removal device with ultraviolet includes cigarette cooler and ultra-violet oxidation structure, and the cigarette cooler is used for and the ultra-violet oxidation
Structure is connected, and for the temperature for entering the flue gas of the ultra-violet oxidation structure to be dropped into predetermined temperature；
The ultra-violet oxidation structure includes snakelike flue, humidity regulation component and multiple ultraviolet searchlights, the snakelike cigarette
Road is used to be connected with the cigarette cooler, and the humidity regulation component is arranged on the snakelike flue close to the position of import, its
For adjusting the humidity of the flue gas in the snakelike flue；Multiple ultraviolet searchlights are separately positioned on the snakelike flue
Corner, and for launching ultraviolet into the snakelike flue, so that work of the Elemental Mercury in flue gas in the ultraviolet
Bivalent mercury is changed into lower generation oxidation reaction, and then is removed.
2. the cigarette cooler as claimed in claim 1 for being applied to flue gas after burning combines mercury removal device with ultraviolet, its feature exists
In：The incident direction of the ultraviolet is parallel with the flow direction of corresponding flue gas.
3. the cigarette cooler as claimed in claim 1 for being applied to flue gas after burning combines mercury removal device with ultraviolet, its feature exists
In：The predetermined temperature is 80 DEG C~100 DEG C.
4. the cigarette cooler as claimed in claim 3 for being applied to flue gas after burning combines mercury removal device with ultraviolet, its feature exists
In：The predetermined temperature is 90 DEG C.
5. the cigarette cooler as claimed in claim 3 for being applied to flue gas after burning combines mercury removal device with ultraviolet, its feature exists
In：The wavelength of the ultraviolet is 185 nanometers.
6. the cigarette cooler as claimed in claim 5 for being applied to flue gas after burning combines mercury removal device with ultraviolet, its feature exists
In：The water vapor concentration in flue gas in the snakelike flue is 20ppmV~100ppmV.
7. the cigarette cooler suitable for flue gas after burning as described in claim any one of 1-6 combines mercury removal device with ultraviolet,
It is characterized in that：The humidity regulation component includes hygrometer and atomizing humidifier, the hygrometer and the atomizing humidifier
It is arranged at intervals, and the hygrometer is set adjacent to the import of the snakelike flue.
8. the cigarette cooler suitable for flue gas after burning as described in claim any one of 1-6 combines mercury removal device with ultraviolet,
It is characterized in that：The inlet and outlet size of the snakelike flue and position match with the size of part to be connected and position respectively,
I.e. the ultra-violet oxidation structure use when need not change size and the position of part to be connected.
9. the cigarette cooler suitable for flue gas after burning as described in claim any one of 1-6 combines mercury removal device with ultraviolet,
It is characterized in that：Multiple ultraviolet searchlights are disposed on the corner of the snakelike flue two-by-two respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710719592.6A CN107376614A (en) | 2017-08-21 | 2017-08-21 | A kind of cigarette cooler for being applied to flue gas after burning combines mercury removal device with ultraviolet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710719592.6A CN107376614A (en) | 2017-08-21 | 2017-08-21 | A kind of cigarette cooler for being applied to flue gas after burning combines mercury removal device with ultraviolet |
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| Publication Number | Publication Date |
|---|---|
| CN107376614A true CN107376614A (en) | 2017-11-24 |
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|---|---|---|---|
| CN201710719592.6A Pending CN107376614A (en) | 2017-08-21 | 2017-08-21 | A kind of cigarette cooler for being applied to flue gas after burning combines mercury removal device with ultraviolet |
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| CN202069890U (en) * | 2010-09-27 | 2011-12-14 | 宋恩民 | Sterilizing device with negative-pressure serpentine light-reflective air pipe |
| CN103638809A (en) * | 2013-12-13 | 2014-03-19 | 江苏大学 | Method and system for removing mercury from optical flue with air cooling device |
| CN103657363A (en) * | 2013-12-13 | 2014-03-26 | 江苏大学 | Method and system for removing mercury from coupling flue based on ultraviolet lamp |
| CN104785081A (en) * | 2015-04-21 | 2015-07-22 | 南京朗洁环保科技有限公司 | Method for realizing desulfuration, denitration and demercuration through combination of ozone and radiated peroxides |
| CN207137666U (en) * | 2017-08-21 | 2018-03-27 | 华中科技大学 | A kind of cigarette cooler for being applied to flue gas after burning combines mercury removal device with ultraviolet |
-
2017
- 2017-08-21 CN CN201710719592.6A patent/CN107376614A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202069890U (en) * | 2010-09-27 | 2011-12-14 | 宋恩民 | Sterilizing device with negative-pressure serpentine light-reflective air pipe |
| CN103638809A (en) * | 2013-12-13 | 2014-03-19 | 江苏大学 | Method and system for removing mercury from optical flue with air cooling device |
| CN103657363A (en) * | 2013-12-13 | 2014-03-26 | 江苏大学 | Method and system for removing mercury from coupling flue based on ultraviolet lamp |
| CN104785081A (en) * | 2015-04-21 | 2015-07-22 | 南京朗洁环保科技有限公司 | Method for realizing desulfuration, denitration and demercuration through combination of ozone and radiated peroxides |
| CN207137666U (en) * | 2017-08-21 | 2018-03-27 | 华中科技大学 | A kind of cigarette cooler for being applied to flue gas after burning combines mercury removal device with ultraviolet |
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Application publication date: 20171124 |