CN108479270A - A kind of flue gas condensing clarifier and condensation purification system - Google Patents
A kind of flue gas condensing clarifier and condensation purification system Download PDFInfo
- Publication number
- CN108479270A CN108479270A CN201810540016.XA CN201810540016A CN108479270A CN 108479270 A CN108479270 A CN 108479270A CN 201810540016 A CN201810540016 A CN 201810540016A CN 108479270 A CN108479270 A CN 108479270A
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- Prior art keywords
- flue gas
- inner tube
- gas condensing
- tube
- clarifier
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Links
- 239000003546 flue gas Substances 0.000 title claims abstract description 121
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 120
- 238000000746 purification Methods 0.000 title claims abstract description 18
- 238000009833 condensation Methods 0.000 title abstract description 18
- 230000005494 condensation Effects 0.000 title abstract description 18
- 239000002351 wastewater Substances 0.000 claims abstract description 47
- 210000002105 tongue Anatomy 0.000 claims abstract description 23
- 238000001816 cooling Methods 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000000498 cooling water Substances 0.000 claims description 32
- 238000006477 desulfuration reaction Methods 0.000 claims description 12
- 238000003860 storage Methods 0.000 claims description 8
- 235000019504 cigarettes Nutrition 0.000 claims description 4
- 239000000428 dust Substances 0.000 abstract description 14
- 238000010248 power generation Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 5
- 230000003009 desulfurizing effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/40—Combinations of devices covered by groups B01D45/00 and B01D47/00
-
- 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
- B01D53/26—Drying gases or vapours
- B01D53/265—Drying gases or vapours by refrigeration (condensation)
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (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 belongs to thermal power generation technical field, a kind of flue gas condensing clarifier and condensation purification system are disclosed.The flue gas condensing clarifier includes the inner tube set gradually from the inside to the outside, central tube and outer tube, and inner tube is used to provide the channel of flow of flue gas, forms cooling duct between inner tube and central tube, form waste water tunnel between central tube and outer tube；The pipe shaft week of inner tube is equipped with multiple tongues, and tongue is arranged in cooling duct, and inner tube is connected to by tongue with waste water tunnel.By the present invention in that flue gas flows in inner tube, flue gas is realized using cooling duct and is condensed, and the dust in flue gas is also due to turbulent flow is attached to the inner wall of inner tube, again by be arranged inner tube pipe shaft tongue will because condensation generate waste water and dust be emitted into waste water tunnel jointly, and then the external world is drained into, to reduce the water content and dustiness in flue gas.
Description
Technical field
The present invention relates to thermal power generation technical field more particularly to a kind of flue gas condensing clarifier and condensation purification systems.
Background technology
Currently, the thermal power plant in China is generally mounted with desulfurizer, wherein the overwhelming majority is wet method limestone-gypsum
Desulfurizer.For not installing the flue gas system of swinging GGH (Gas Gas Heater, gas-gas heat exchanger), due to through FGD
The flue gas being discharged from chimney after (Flue Gas Desulphurization, desulfurizing tower) is in saturation state, in environment temperature
Steam is condensed when relatively low can form white " wet plume ".
The administering method of " wet plume " is mainly directly heated using flue gas or first condenses the technology heated afterwards at this stage
Scheme.Since moisture is higher in desulfurizing tower exiting flue gas, more energy need to be consumed using direct-fired mode, existing rank
Section thinks that best mode is to use first to condense the technical solution heated afterwards.
As China is to the increasingly strict of environmental requirement, part thermal power generation unit is to reach dust to be less than 10mg/Nm3's
Ultra-clean emission request is required for that flue gas after desulfurization is further processed, and usual manner is to be exported to chimney segment in desulfurizing tower
Wet cottrell is set.But its electricity consumption is very big, accounts for about the 0.4% of station service, and water consumption is higher.
It would therefore be highly desirable to need a kind of novel flue gas condensing clarifier and condensation purification system to solve the above problems.
Invention content
The purpose of the present invention is to provide a kind of flue gas condensing clarifier and condensation purification systems, to reduce containing in flue gas
Water and dustiness.
For this purpose, the present invention uses following technical scheme：
A kind of flue gas condensing clarifier, including the inner tube, central tube and the outer tube that set gradually from the inside to the outside, inner tube is for carrying
For the channel of flow of flue gas, cooling duct is formed between inner tube and central tube, forms waste water tunnel between central tube and outer tube；
The pipe shaft week of inner tube is equipped with multiple tongues, and tongue is arranged in cooling duct, and inner tube passes through tongue and waste water tunnel
Connection.
Preferably, inner tube is equipped with swirl vane into flue gas end.
Preferably, central tube is equipped with cooling water inlet, cooling water inlet goes out flue gas end set on central tube, and cooling water goes out
Mouthful be set to central tube into flue gas end.
Preferably, outer tube is equipped with wastewater outlet, what wastewater outlet was located at outer tube goes out flue gas end, and is located at the minimum of outer tube
Position.
Preferably, inner tube and central tube are using round direct piping, outer tube uses rectangular direct piping.
A kind of flue gas condensing purification system, including multiple above-mentioned flue gas condensing clarifiers being arranged in parallel.
Preferably, the cigarette of multiple flue gas condensing clarifiers being equipped with into flue gas end for changing flow of flue gas cross-sectional area
Road insertion plate door.
Preferably, further including wet desulfuration tower and chimney, multiple be arranged in parallel is equipped between wet desulfuration tower and chimney
Flue gas condensing clarifier.
Preferably, further including cooling water pump, it is used to cooling water being delivered to multiple flue gas condensings being arranged in parallel net
Change in device；Cooling water uses open circulation mode or closed cycle mode, and when using closed cycle mode, cooling water is by changing
Hot device exchanges heat.
Preferably, further include wastewater storage tank and waste water delivery pump, wastewater storage tank respectively with multiple flue gases being arranged in parallel
The wastewater outlet of condensation purifier is connected with waste water delivery pump.
Beneficial effects of the present invention：
By the present invention in that flue gas flows in inner tube, flue gas is realized using cooling duct and is condensed, and the powder in flue gas
Dirt also due to turbulent flow is attached to the inner wall of inner tube, then by be arranged the tongue in inner tube pipe shaft by the waste water generated by condensation and
Dust is emitted into waste water tunnel jointly, and then drains into the external world, to reduce the water content and dustiness in flue gas..
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of flue gas condensing clarifier provided by the invention；
Fig. 2 is the side view of Fig. 1；
Fig. 3 is the structural schematic diagram of inner tube in Fig. 1；
Fig. 4 is a kind of structural schematic diagram of flue gas condensing purification system provided by the invention.
In figure：
1, inner tube；2, central tube；3, outer tube；4, flue plugboard door；5, wet desulfuration tower；6, chimney；7, cooling water pump；8、
Wastewater storage tank；9, waste water delivery pump；
11, tongue；12, swirl vane；
21, cooling water inlet；22, cooling water outlet；
31, wastewater outlet.
Specific implementation mode
Technical solution to further illustrate the present invention below with reference to the accompanying drawings and specific embodiments.
As shown in Figure 1 to Figure 3, the present invention provides a kind of flue gas condensing clarifier, the condensation purifier include by it is interior extremely
Inner tube 1, central tube 2 and the outer tube 3 set gradually outside, wherein：
Inner tube 1 is used to provide the channel of flow of flue gas, and cooling duct, 2 He of central tube are formed between inner tube 1 and central tube 2
Waste water tunnel is formed between outer tube 3；The pipe shaft week of inner tube 1 is equipped with multiple tongues 11, and tongue 11 is arranged in cooling duct, inner tube
1 is connected to by tongue 11 with waste water tunnel.By the present invention in that flue gas flows in inner tube, flue gas is realized using cooling duct
Condensation, and dust in flue gas is also due to turbulent flow is attached to the inner wall of inner tube 1, then by the way that the tongue in 1 pipe shaft of inner tube is arranged
11 are emitted into the waste water and dust that are generated by condensation in waste water tunnel jointly, and then drain into the external world, to reduce in flue gas
Water content and dustiness.
Specifically, inner tube 1 into flue gas end be equipped with swirl vane 12, using swirl vane 12 rotating centrifugal act on, make
Turbulence intensity enhancing of the flue gas in inner tube 1 so that vapor in flue gas is easier to condense, at the same by from
The effect of mental and physical efforts, the dust in flue gas can also be easier to be combined with vapor, that is, pass through swirl vane 12 so that in flue gas
Fine droplet, vapor and dust generate agglomeration, thus greatly reduce the water content and dustiness in flue gas.
Specifically, flue gas is flowed in inner tube 1 and is exchanged heat with the cooling water in central tube 2, reduces flue gas temperature in inner tube 1
Degree, with the reduction of flue-gas temperature, flue gas progressivelyes reach hypersaturated state, to the vapor in flue gas in inner tube 1 in
Wall nearby condenses.Central tube 2 is equipped with cooling water inlet 21 and cooling water outlet 22, and cooling water inlet 21 is set to central tube 2
Go out flue gas end, cooling water outlet 22 be set to central tube 2 into flue gas end, can pass through countercurrent flow has the heat exchange temperature of bigger
Difference so as to save heat exchange area (i.e. the surface area of central tube 2), and then saves production cost.Further, due to interior
It is equipped with multiple tongues 11 the pipe shaft week of pipe 1, tongue 11 can also play the role of increasing the heat exchange area of inner tube 1, while tongue
11 can also play the role of heat exchange fin, and the effect to ensure flue gas heat exchange is more excellent.Still further, the length of tongue 11
The one third of the length of inner tube 1 is accounted for 4/5ths, preferably 2/3rds, in the range when, tongue 11 has met
To the condensation of flue gas, the discharge of waste water and cooling water is made more swimmingly (to prevent the length of tongue 11 from spending by cooling duct
The long resistance increased to flow of cooling water), then the increase and waste that make the length increase of tongue 11 may result in production cost.
Specifically, outer tube 3 is equipped with wastewater outlet 31, and what wastewater outlet 31 was located at outer tube 3 goes out flue gas end, and positioned at outer tube 3
Lowest order.Since the condensed water that flue gas is generated in the condensation of the tail portion (being flue gas end) of inner tube 1 is more, by wastewater outlet
31 tail portions (being flue gas end) for being set to outer tube 3 more convenient waste water can be discharged in time, further, wastewater outlet 31
Being set to the lowest order (i.e. the minimum position of level height) of outer tube 3, more easily waste water can be discharged.
Specifically, it is in processing setting angle, inner tube 1 and central tube 2 preferably use round direct piping, outer tube 3 preferred
Using rectangular direct piping, it can make flue gas condensing clarifier is more convenient to be simply placed in power plant.
As shown in figure 4, a kind of flue gas condensing purification system provided by the invention comprising it is multiple be arranged in parallel it is above-mentioned
Flue gas condensing clarifier, it is to be understood that it can also be arranged in series using multiple flue gas condensing clarifiers, but for occupation of land
Area and installation cost are preferably arranged in parallel using multiple flue gas condensing clarifiers in present embodiment.
Specifically, in the cigarette of multiple flue gas condensing clarifiers being equipped with into flue gas end for changing flow of flue gas cross-sectional area
Road insertion plate door 4, when boiler operatiopn load is relatively low, the exhaust gas volumn for generation of burning is less, and flue gas flow rate is relatively low in flue, leads at this time
Adjustment flue plugboard door 4 is crossed to reduce the preceding flue area of multiple flue gas condensing clarifiers, keeps multiple flue gas condensing clarifiers
The suitable flue gas flow rate of entrance so that the turbulence intensity of flue gas enhances, and then ensures preferable flue gas condensing clean-up effect.
Specifically, flue gas condensing purification system further includes wet desulfuration tower 5 and chimney 6, wet desulfuration tower 5 and chimney 6 it
Between be equipped with multiple flue gas condensing clarifiers being arranged in parallel.The flue gas generated by boiler combustion enters wet desulfuration tower 5, in wet method
It completes to absorb SO in desulfurizing tower 52, 5 exiting flue gas of wet desulfuration tower becomes being saturated because of the spray washing liquid in wet desulfuration tower 5
Wet flue gas contains more vapor and a small amount of dust in flue gas, and with flow of flue gas, flue gas is entered by flue plugboard door 4
Condensation and dust separation are carried out in multiple flue gas condensing clarifiers.
Specifically, flue gas condensing purification system further includes cooling water pump 7, is used for cooling water through pressurized delivered at most
In a flue gas condensing clarifier being arranged in parallel.Cooling water uses open circulation mode or closed cycle mode, when using enclosed
When endless form, cooling water is exchanged heat by heat exchanger, specifically, by the cooling water outlet 22 of multiple flue gas condensing clarifiers
The cooling water of output, temperature reduces after heat dissipation (or heat exchange) device, then continues on to multiple cigarettes by cooling water pump 7
The cooling water inlet 21 of gas condensation purifier is changed into the central tube 2 in multiple flue gas condensing clarifiers and with flue gas
Heat realizes the condensation and dust separation of flue gas to reduce flue-gas temperature.
Specifically, flue gas condensing purification system further includes wastewater storage tank 8 and waste water delivery pump 9, wastewater storage tank 8 respectively with it is more
The wastewater outlet 31 and waste water delivery pump 9 of a flue gas condensing clarifier being arranged in parallel connect.It is collected into useless in outer tube 3
Water, arranged wastewater outlet 31 and waste pipe in 3 tail portion of outer tube are delivered in wastewater storage tank 8, then defeated through waste water delivery pump 9
It send to sewage treatment equipment (not shown) and is further processed, be collected separately, locate so that condensing waste water in flue gas
Reason, will not have any impact to 5 water balance of wet desulfuration tower.
In conclusion a kind of flue gas condensing clarifier provided by the invention and condensation purification system, boiler at full capacity and
The efficient removal of flue gas condensing and dust can be achieved under underload, and dust removal efficiency is high, it can be achieved that dust concentration is super
Low emission requirement, simultaneity factor arrangement is simple, and investment cost is low.
Obviously, the above embodiment of the present invention is just for the sake of clearly illustrating examples made by the present invention, and it is pair to be not
The restriction of embodiments of the present invention.For the ordinary skill user of fields, may be used also on the basis of the above description
To make other different form variations or change.There is no necessity and possibility to exhaust all the enbodiments.It is all in this hair
All any modification, equivalent and improvement etc., should be included in the claims in the present invention made by within bright spirit and principle
Within protection domain.
Claims (10)
1. a kind of flue gas condensing clarifier, which is characterized in that including set gradually from the inside to the outside inner tube (1), central tube (2) and
Outer tube (3), said inner tube (1) are used to provide the channel of flow of flue gas, are formed between said inner tube (1) and the central tube (2)
Cooling duct forms waste water tunnel between the central tube (2) and the outer tube (3)；
The pipe shaft week of said inner tube (1) is equipped with multiple tongues (11), and the tongue (11) is arranged in the cooling duct, described
Inner tube (1) is connected to by the tongue (11) with the waste water tunnel.
2. flue gas condensing clarifier according to claim 1, which is characterized in that said inner tube (1) is equipped with into flue gas end
Swirl vane (12).
3. flue gas condensing clarifier according to claim 1, which is characterized in that the central tube (2) enters equipped with cooling water
Mouth (21) and cooling water outlet (22), the cooling water inlet (21) go out flue gas end, the cooling set on the central tube (2)
Water out (22) be set to the central tube (2) into flue gas end.
4. flue gas condensing clarifier according to claim 1, which is characterized in that the outer tube (3) is equipped with wastewater outlet
(31), what the wastewater outlet (31) was located at the outer tube (3) goes out flue gas end, and positioned at the lowest order of the outer tube (3).
5. flue gas condensing clarifier according to claim 1, which is characterized in that said inner tube (1) and the central tube (2)
Using round direct piping, the outer tube (3) uses rectangular direct piping.
6. a kind of flue gas condensing purification system, which is characterized in that including it is multiple be arranged in parallel as any in Claims 1 to 5
Flue gas condensing clarifier described in.
7. flue gas condensing purification system according to claim 6, which is characterized in that multiple flue gas condensing clarifiers
It is equipped with the flue plugboard door (4) for changing flow of flue gas cross-sectional area into flue gas end.
8. flue gas condensing purification system according to claim 6, which is characterized in that further include wet desulfuration tower (5) and cigarette
Chimney (6) is equipped with multiple flue gas condensing clarifiers being arranged in parallel between the wet desulfuration tower (5) and the chimney (6).
9. flue gas condensing purification system according to claim 6, which is characterized in that further include cooling water pump (7), be used for
Cooling water is delivered in multiple flue gas condensing clarifiers being arranged in parallel；The cooling water using open circulation mode or
Closed cycle mode, when using closed cycle mode, the cooling water is exchanged heat by heat exchanger.
10. flue gas condensing purification system according to claim 6, which is characterized in that further include wastewater storage tank (8) and waste water
Delivery pump (9), the wastewater storage tank (8) wastewater outlet (31) with multiple flue gas condensing clarifiers being arranged in parallel respectively
It is connected with the waste water delivery pump (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810540016.XA CN108479270A (en) | 2018-05-30 | 2018-05-30 | A kind of flue gas condensing clarifier and condensation purification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810540016.XA CN108479270A (en) | 2018-05-30 | 2018-05-30 | A kind of flue gas condensing clarifier and condensation purification system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108479270A true CN108479270A (en) | 2018-09-04 |
Family
ID=63352578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810540016.XA Pending CN108479270A (en) | 2018-05-30 | 2018-05-30 | A kind of flue gas condensing clarifier and condensation purification system |
Country Status (1)
| Country | Link |
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| CN (1) | CN108479270A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021143608A1 (en) * | 2020-01-13 | 2021-07-22 | 南京常荣声学股份有限公司 | Acoustic agglomeration dust removal apparatus for converter primary flue gas |
| CN114804258A (en) * | 2022-02-21 | 2022-07-29 | 沈阳博宇科技有限责任公司 | Method for evaporating desulfurization wastewater outside flue |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87214901U (en) * | 1987-10-29 | 1988-09-07 | 高淑范 | Dual-inserter cyclone dust collector and heat exchanger |
| CN201073562Y (en) * | 2007-08-09 | 2008-06-18 | 张树刚 | Gasifying stove tar moisture filtering purifier |
| JP2009096966A (en) * | 2007-10-18 | 2009-05-07 | Ramusa Abe:Kk | Condenser |
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| CN103301958A (en) * | 2012-03-09 | 2013-09-18 | 中国石油化工股份有限公司 | Gas-liquid separation apparatus |
| CN105999976A (en) * | 2016-08-02 | 2016-10-12 | 北京中航泰达环保科技股份有限公司 | Flue gas depth dedusting defogging water-saving unit and device composed thereby |
| CN206755208U (en) * | 2017-05-20 | 2017-12-15 | 国家电投集团电站运营技术（北京）有限公司 | A kind of condensation liquor collecting device for fiber glass reinforced plastic chimney inner cylinder |
| CN208406486U (en) * | 2018-05-30 | 2019-01-22 | 烟台龙源电力技术股份有限公司 | A kind of flue gas condensing clarifier and condensation purification system |
-
2018
- 2018-05-30 CN CN201810540016.XA patent/CN108479270A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87214901U (en) * | 1987-10-29 | 1988-09-07 | 高淑范 | Dual-inserter cyclone dust collector and heat exchanger |
| CN201073562Y (en) * | 2007-08-09 | 2008-06-18 | 张树刚 | Gasifying stove tar moisture filtering purifier |
| JP2009096966A (en) * | 2007-10-18 | 2009-05-07 | Ramusa Abe:Kk | Condenser |
| CN201333427Y (en) * | 2009-01-08 | 2009-10-28 | 河南金土地煤气工程有限公司 | Cyclone dust collector with water lined jacket |
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| CN105999976A (en) * | 2016-08-02 | 2016-10-12 | 北京中航泰达环保科技股份有限公司 | Flue gas depth dedusting defogging water-saving unit and device composed thereby |
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| CN208406486U (en) * | 2018-05-30 | 2019-01-22 | 烟台龙源电力技术股份有限公司 | A kind of flue gas condensing clarifier and condensation purification system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021143608A1 (en) * | 2020-01-13 | 2021-07-22 | 南京常荣声学股份有限公司 | Acoustic agglomeration dust removal apparatus for converter primary flue gas |
| CN114804258A (en) * | 2022-02-21 | 2022-07-29 | 沈阳博宇科技有限责任公司 | Method for evaporating desulfurization wastewater outside flue |
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