CN106989409A - A kind of water-borne formula flue gas heat-exchange unit device - Google Patents
A kind of water-borne formula flue gas heat-exchange unit device Download PDFInfo
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- CN106989409A CN106989409A CN201710316479.3A CN201710316479A CN106989409A CN 106989409 A CN106989409 A CN 106989409A CN 201710316479 A CN201710316479 A CN 201710316479A CN 106989409 A CN106989409 A CN 106989409A
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- Prior art keywords
- heater
- condensate
- neat stress
- water
- low
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Classifications
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- 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
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- 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
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
-
- 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
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/04—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material using washing fluids
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- 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
- F23J15/08—Arrangements of devices for treating smoke or fumes of heaters
-
- 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
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2215/00—Preventing emissions
- F23J2215/20—Sulfur; Compounds thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2217/00—Intercepting solids
- F23J2217/10—Intercepting solids by filters
- F23J2217/102—Intercepting solids by filters electrostatic
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chimneys And Flues (AREA)
- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
Abstract
The invention discloses a kind of water-borne formula flue gas heat-exchange unit device, including condensate line and former gas cooler, neat stress heater, the booster pump being sequentially connected quoted from No. seven low-pressure heater outlets；Condensate is exported from No. seven low-pressure heaters, former gas cooler heat absorption is flow to through valve and pipeline, flue-gas temperature is reduced, condensate flow to neat stress heater heat release through pipeline again, neat stress temperature is improved, permanent set water by booster pump boost after return to No. six low-pressure heater imports；Also include the condensed water in high temperature pipeline and concurrent heating pump of No. five low-pressure heater outlets；After the condensed water in high temperature of No. five low-pressure heater outlets boosts through concurrent heating pump, the condensate line between the former gas cooler of injection and neat stress heater；Mixed with the condensate by former gas cooler outlet, to improve the temperature into the condensate of neat stress heater, so as to ensure the temperature of neat stress heater more than 80 DEG C.
Description
Technical field
The present invention relates to a kind of flue gas heat-exchange unit device, and in particular to a kind of water-borne formula flue gas heat-exchange unit device, belongs to electricity
Stand boiler flue gas purification processing technology field.
Background technology
Currently, China's air environmental pollution is very serious, and the fume emission environmental pollution of coal-fired power plant has and can not pushed away
The responsibility unloaded.According to environmental requirement, station boiler carries out minimum discharge transformation, boiler institute smoke discharging is additionally arranged desulfurizer and
Wet electrical dust precipitator.Flue-gas temperature from wet-esp outflow is about at 50 DEG C or so, and the wet flue gas of this lower temperature passes through
Chimney is directly discharged into air, can not only corrode chimney, can also cause gypsum rain to pollute.If heating flue gas using other thermals source, again
Unit heat consumption can be increased, and coal-fired power plant of China is while environmental protection, the responsibility of the also huge saving energy.
At present, at home using it is more be water-borne formula flue gas heat-exchange unit（WGGH）, WGGH systems are by gas cooler（Again
Claim low-level (stack-gas) economizer）, flue gas heater, circulating pump, auxiliary steam heater, water tank of voltage regulation, chemicals dosing plant, the group such as water charging system
Into, neat stress is heated to more than 80 DEG C of ability after possessing desulfurization under any operating mode, but the system exhaust gas temperature compared with
When low, using high-grade auxiliary steam come heat cycles water, and because heat medium water auxiliary steam heater has heat transfer end
Difference, heat exchange efficiency is low, and neat stress is heated into 80 DEG C, and the cost paid is higher.
The content of the invention
Goal of the invention：For above-mentioned deficiency of the prior art, the present invention provides a kind of water-borne formula flue gas heat-exchange unit device,
, can be with smaller when exhaust gas temperature is relatively low in exhaust gas temperature compared with Gao Shineng with the unnecessary heat of relatively low cost recovery WGGH systems
Cost ensure the neat stress for draining into chimney being heated to more than 80 DEG C, between the two can conveniently switch, realize full working scope save
Or low energy consumption operation.
Technical scheme：In order to solve the above technical problems, the technical solution adopted by the present invention is：
A kind of water-borne formula flue gas heat-exchange unit device, it is characterised in that：Including the condensate pipe quoted from No. seven low-pressure heater outlets
Road and former gas cooler, neat stress heater, the booster pump being sequentially connected；Condensate is exported from No. seven low-pressure heaters, warp
Valve and pipeline flow to former gas cooler heat absorption, flue-gas temperature are reduced, condensate flow to neat stress heater through pipeline again
Heat release, neat stress temperature is improved, permanent set water by booster pump boost after return to No. six low-pressure heater imports；
Also include the condensed water in high temperature pipeline and concurrent heating pump of No. five low-pressure heater outlets；The high temperature of No. five low-pressure heater outlets
After condensate boosts through concurrent heating pump, the condensate line between the former gas cooler of injection and neat stress heater；It is former with passing through
The condensate mixing of gas cooler outlet, to improve the temperature into the condensate of neat stress heater, so as to ensure net cigarette
The temperature of hot-air heater is more than 80 DEG C.
Described water-borne formula flue gas heat-exchange unit device, it is characterised in that：No. seven low-pressure heaters and former gas cooler it
Between condensate line be provided with electric control valve.
Described water-borne formula flue gas heat-exchange unit device, it is characterised in that：The former gas cooler and neat stress heater
Between be provided with electric gate valve.
Described water-borne formula flue gas heat-exchange unit device, it is characterised in that：The neat stress heater is bypassed provided with condensate
Regulating valve, the incoming condensing water flow of neat stress heater is entered for adjusting.Neat stress heater outlet condensate and bypass
After condensate mixing by booster pump boost after deliver to No. six low-pressure heater imports, reclaim waste heat, reduce 6 sections of pumpings, drop
Low unit heat consumption.
Described water-borne formula flue gas heat-exchange unit device, it is characterised in that：No. five low-pressure heaters outlet and concurrent heating pump
Between be provided with electric gate valve.
Preferably, described water-borne formula flue gas heat-exchange unit device, it is characterised in that：The former gas cooler with
Provided with electric cleaner, desulfuration absorbing tower and the wet electrical dust precipitator being sequentially connected between neat stress heater.
Beneficial effect：A kind of water-borne formula flue gas heat-exchange unit device that the present invention is provided, when exhaust gas temperature is higher how to the greatest extent
The unnecessary heat of WGGH systems may be reclaimed, such as how less cost ensures that the net of chimney will be drained into when exhaust gas temperature is relatively low
Flue gas can conveniently switch between the two to more than 80 DEG C, realize full working scope energy-conservation or low energy consumption operation.With following excellent
Point：
1st, when exhaust gas temperature is higher, waste heat can be recycled to condensate system；When exhaust gas temperature is relatively low, using difference
Temperature condensate mixed heat transfer mode, it is not necessary to which increase condenses water- to-water heat exchanger, no terminal temperature difference, than directly adding using auxiliary steam
The mode of heat consumes energy low.
2nd, due to the open circulation mode of use, therefore, it is possible to make the water quality in WGGH systems remain stable, reach
Water quality standard is condensed, is not required to separately set chemicals dosing plant；
3rd, the pressure in system can be made to reach condensate system pressure, in the absence of vaporization risk, it is not necessary to separately set water tank of voltage regulation
Carry out systems stabilisation pressure.
4th, final neat stress temperature can be heated to 80 DEG C under different exhaust gas temperatures, flexible adjustment is convenient, operation maintenance
Workload is small.
The 5th, special water charging system need not be set.
Brief description of the drawings
Fig. 1 is principle schematic diagram of the present invention；
In figure：No. seven low-pressure heater outlets 1, former gas cooler 2, neat stress heater 3, booster pump 4, No. six low-pressure heatings
Device import 5, No. five low-pressure heaters outlet 6, concurrent heating pump 7, electric control valve 8, electric gate valve 9, electric gate valve 10, by condensate
Road regulating valve 11.
Embodiment
The present invention is further described with reference to specific embodiment.
As shown in figure 1, being a kind of water-borne formula flue gas heat-exchange unit device of the present invention, including exported quoted from No. seven low-pressure heaters
1 condensate line and the former gas cooler 2 being sequentially connected, neat stress heater 3, booster pump 4.No. seven low-pressure heaters with
Condensate line between former gas cooler is provided with electric control valve 8；Between former gas cooler and neat stress heater
Provided with electric gate valve 9；Condensate is exported from No. seven low-pressure heaters, and flowing to former gas cooler through valve and pipeline absorbs heat, will
Flue-gas temperature is down to 110 DEG C, and condensate flow to neat stress heater heat release through pipeline again, and neat stress temperature is improved to 80 DEG C,
It is last by booster pump boost after return to No. six low-pressure heater imports 5.
Also include the condensed water in high temperature pipeline and concurrent heating pump 7 of No. five low-pressure heater outlets 6；No. five low-pressure heater outlets
Condensed water in high temperature is through electric gate valve 10 and enters after concurrent heating pump 7 boosts, the former gas cooler of injection and neat stress heater it
Between condensate line；Mixed with the condensate by former gas cooler outlet, to improve into the solidifying of neat stress heater
The temperature born water, so as to ensure the temperature of neat stress heater more than 80 DEG C.This hybrid concurrent heating mode end difference is zero, heat exchange
Efficiency high, and it is simple in construction, cheap.
Neat stress heater 3 is provided with condensate bypass valve 11, and the import that neat stress heater is entered for adjusting is coagulated
Bear water flow.Neat stress heater outlet condensate mixed with bypass condensate after by booster pump boost after deliver to No. six low pressure and add
Hot device import, reclaims waste heat, reduces by 6 sections of pumpings, reduces unit heat consumption.
Provided with electric cleaner, desulfuration absorbing tower and the wet type being sequentially connected between former gas cooler and neat stress heater
Electric cleaner.
When exhaust gas temperature is higher, former gas cooler thermal discharge is increased, and now carries out waste heat recovery.Mode of operation
For：Regulation enters the incoming condensing water flow of former gas cooler, realizes that former gas cooler exit gas temperature reaches 110
DEG C, the incoming condensing water flow that neat stress heater condensate bypass valve enters neat stress heater is opened, by neat stress
Heater outlet flue gas temperature maintains 80 DEG C.Neat stress heater outlet condensate is with bypassing after condensate is mixed by booster pump
No. six low-pressure heater imports are delivered to after boosting, waste heat is reclaimed, reduces by 6 sections of pumpings, reduces unit heat consumption.
When exhaust gas temperature is relatively low, former gas cooler institute liberated heat is not enough to neat stress being heated to 80 DEG C.
Now need to carry out concurrent heating to system.Mode of operation is：The condensation of extension higher temperature is exported from No. five low-pressure heaters
Water, is mixed with the condensate by former gas cooler outlet, to improve the temperature into the condensate of neat stress heater, from
And ensure the temperature of neat stress heater more than 80 DEG C.This hybrid concurrent heating mode end difference is zero, and heat exchange efficiency is high, and structure
Simply, it is cheap.
When exhaust gas temperature is higher, flue gas is when low-level (stack-gas) economizer thermal discharge is larger, by entering the solidifying of neat stress heater
Bear water the condensing water flow that bypass valve control enters neat stress heater.Mode of operation is：Neat stress heater is opened to coagulate
Bypass valve is born water, the condensing capacity for entering neat stress heater is reduced, two strands of current are mixed in neat stress heater outlet
No. six low-pressure heater entrances are pumped into supercharging afterwards.
When exhaust gas temperature is relatively low, flue gas thermal discharge in former gas cooler is smaller, is not enough to neat stress heat temperature raising
To emission request temperature when, the condensing water temperature of former gas cooler outlet need to be improved.Mode of operation is：Neat stress is closed to add
Hot device condensate bypass valve, opens the condensate valve that No. five low-pressure heater outlet condensates are exported to former gas cooler
Door, and concurrent heating pump is opened, condensed water in high temperature is injected after the electric gate valve between former gas cooler and neat stress heater
Condensate line.
Condensate is exported from No. seven low-pressure heaters, and flowing to former gas cooler through valve and pipeline absorbs heat, by flue gas temperature
Degree be down to 110 DEG C, condensate flow to neat stress heater heat release through pipeline again, and neat stress temperature is improved to 80 DEG C, finally by
No. six low-pressure heater imports are returned to after booster pump boosting.Because exhaust gas temperature random groups load, heating load are how many and air
Environment temperature difference and change, generally between 150 to 110 DEG C.
When summer or load are higher, heating load is smaller, exhaust gas temperature is higher, and former gas cooler thermal discharge adds
Greatly, the incoming condensing water flow of former gas cooler is now entered by adjusting, former gas cooler exit gas temperature is realized
110 DEG C are reached, the incoming condensing water stream of neat stress heater is entered by opening neat stress heater condensate bypass valve
Amount, 80 DEG C are maintained by neat stress heater outlet flue gas temperature.Neat stress heater outlet condensate is mixed with bypass condensate
After conjunction by booster pump boost after deliver to No. six low-pressure heater imports, reclaim waste heat, reduce 6 sections of pumpings, reduction unit heat
Consumption.
In the winter time or load it is relatively low, when heating load is larger, exhaust gas temperature is relatively low, because former flue-gas temperature is relatively low, will
When former flue-gas temperature is down to 110 DEG C, it is necessary to condensing capacity seldom, condensation of this part after the heat absorption of former gas cooler
Water, when all flowing through neat stress heater, its liberated heat is still not enough to neat stress being heated to 80 DEG C.Now need pair
System carries out concurrent heating, and traditional way sets up a concurrent heating on the connecting line of former gas cooler and neat stress heater
Device, draws steam all the way from unit auxiliary steam header and enters afterburner and condensate is heated, enter neat stress to improve
The condensing water temperature of heater.Because auxiliary steam quality is higher, adding afterburner, to there is end poor, although can also add neat stress
From smoke stack emission after hot to 80 DEG C, but the ideas of energy-saving of cascaded utilization of energy is not met.Therefore, designing from No. five low-pressure heaters
The condensate of extension higher temperature is exported, is mixed with the condensate by former gas cooler outlet, to improve into net
The temperature of the condensate of flue gas heater, so as to ensure the temperature of neat stress heater more than 80 DEG C.This hybrid concurrent heating side
Formula end difference is zero, and heat exchange efficiency is high, and simple in construction, cheap.
Because No. five low-pressure heater outlet condensation water pressures are lower slightly, normally inject, need to ensure to draw condensed water in high temperature
Increase concurrent heating pump to improve the pressure of condensed water in high temperature, so as to which the former gas cooler of the condensate of high temperature injection and neat stress are added
In condensate pipe between hot device.
When exhaust gas temperature is relatively low, it is only necessary to open pump by valve opening, the solidifying of neat stress heater inlet just can be improved
Temperature is born water, so that the regulation to neat stress heater outlet flue gas temperature is realized, this WGGH device, in the various of unit operation
Under operating mode, former flue-gas temperature can be down to 110 DEG C, neat stress temperature rises to 80 DEG C, with full working scope adaptability.
Described above is only the preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (7)
1. a kind of water-borne formula flue gas heat-exchange unit device, it is characterised in that：Including the condensate quoted from No. seven low-pressure heater outlets
Pipeline and former gas cooler, neat stress heater, the booster pump being sequentially connected；Condensate is exported from No. seven low-pressure heaters,
Former gas cooler heat absorption is flow to through valve and pipeline, flue-gas temperature is reduced, condensate flow to neat stress heating through pipeline again
Device heat release, neat stress temperature is improved, permanent set water by booster pump boost after return to No. six low-pressure heater imports；
Also include the condensed water in high temperature pipeline and concurrent heating pump of No. five low-pressure heater outlets；The high temperature of No. five low-pressure heater outlets
After condensate boosts through concurrent heating pump, the condensate line between the former gas cooler of injection and neat stress heater；It is former with passing through
The condensate mixing of gas cooler outlet, to improve the temperature into the condensate of neat stress heater, so as to ensure net cigarette
The temperature of hot-air heater is more than 80 DEG C.
2. water-borne formula flue gas heat-exchange unit device according to claim 1, it is characterised in that：No. seven low-pressure heaters and original
Condensate line between gas cooler is provided with electric control valve.
3. water-borne formula flue gas heat-exchange unit device according to claim 1, it is characterised in that：The former gas cooler and net
Electric gate valve is provided between flue gas heater.
4. water-borne formula flue gas heat-exchange unit device according to claim 1, it is characterised in that：The neat stress heater is provided with
Condensate bypass valve, the incoming condensing water flow of neat stress heater is entered for adjusting.
5. water-borne formula flue gas heat-exchange unit device according to claim 1, it is characterised in that：By neat stress heater condensate
When road regulating valve is opened, neat stress heater outlet condensate with bypass after condensate is mixed by booster pump boost after deliver to No. six
Low-pressure heater import, reclaims waste heat.
6. water-borne formula flue gas heat-exchange unit device according to claim 1, it is characterised in that：No. five low-pressure heaters go out
Electric gate valve is provided between mouth and concurrent heating pump.
7. water-borne formula flue gas heat-exchange unit device according to claim 1, it is characterised in that：The former gas cooler with it is net
Provided with electric cleaner, desulfuration absorbing tower and the wet electrical dust precipitator being sequentially connected between flue gas heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710316479.3A CN106989409B (en) | 2017-05-08 | 2017-05-08 | Water-borne flue gas heat exchanger device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710316479.3A CN106989409B (en) | 2017-05-08 | 2017-05-08 | Water-borne flue gas heat exchanger device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106989409A true CN106989409A (en) | 2017-07-28 |
| CN106989409B CN106989409B (en) | 2023-07-14 |
Family
ID=59418770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710316479.3A Active CN106989409B (en) | 2017-05-08 | 2017-05-08 | Water-borne flue gas heat exchanger device |
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| Country | Link |
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| CN (1) | CN106989409B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110425561A (en) * | 2019-07-29 | 2019-11-08 | 上海外高桥第三发电有限责任公司 | A kind of device and method using condensed water backheat heating flue gas |
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| CN103968406A (en) * | 2014-05-13 | 2014-08-06 | 上海发电设备成套设计研究院 | Water gas smoke-smoke heat exchanging system and method capable of preventing low-temperature corrosion |
| CN104279573A (en) * | 2014-09-26 | 2015-01-14 | 上海发电设备成套设计研究院 | Automatic-heat-balancing water medium gas-gas heat exchange WGGH (water gas-gas heat) system |
| CN204739568U (en) * | 2015-06-15 | 2015-11-04 | 杭州华电能源工程有限公司 | Energy saving and emission reduction system that horizontal phase transition heat exchanger and prefix type hydrophily formula GGH unite |
| CN106287773A (en) * | 2016-07-27 | 2017-01-04 | 上海发电设备成套设计研究院 | A kind of special residual neat recovering system of WGGH |
| CN206755217U (en) * | 2017-05-08 | 2017-12-15 | 江苏方天电力技术有限公司 | A kind of water-borne formula flue gas heat-exchange unit device |
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2017
- 2017-05-08 CN CN201710316479.3A patent/CN106989409B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103968406A (en) * | 2014-05-13 | 2014-08-06 | 上海发电设备成套设计研究院 | Water gas smoke-smoke heat exchanging system and method capable of preventing low-temperature corrosion |
| CN104279573A (en) * | 2014-09-26 | 2015-01-14 | 上海发电设备成套设计研究院 | Automatic-heat-balancing water medium gas-gas heat exchange WGGH (water gas-gas heat) system |
| CN204739568U (en) * | 2015-06-15 | 2015-11-04 | 杭州华电能源工程有限公司 | Energy saving and emission reduction system that horizontal phase transition heat exchanger and prefix type hydrophily formula GGH unite |
| CN106287773A (en) * | 2016-07-27 | 2017-01-04 | 上海发电设备成套设计研究院 | A kind of special residual neat recovering system of WGGH |
| CN206755217U (en) * | 2017-05-08 | 2017-12-15 | 江苏方天电力技术有限公司 | A kind of water-borne formula flue gas heat-exchange unit device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110425561A (en) * | 2019-07-29 | 2019-11-08 | 上海外高桥第三发电有限责任公司 | A kind of device and method using condensed water backheat heating flue gas |
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| CN106989409B (en) | 2023-07-14 |
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