CN110848721B - Fluorine plastic steel low temperature flue gas advanced treatment device - Google Patents
Fluorine plastic steel low temperature flue gas advanced treatment device Download PDFInfo
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- CN110848721B CN110848721B CN201911163696.9A CN201911163696A CN110848721B CN 110848721 B CN110848721 B CN 110848721B CN 201911163696 A CN201911163696 A CN 201911163696A CN 110848721 B CN110848721 B CN 110848721B
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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
- F23J15/006—Layout of treatment plant
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
- F22D1/50—Feed-water heaters, i.e. economisers or like preheaters incorporating thermal de-aeration of feed-water
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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
- 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
- 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
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
- F28F21/081—Heat exchange elements made from metals or metal alloys
- F28F21/082—Heat exchange elements made from metals or metal alloys from steel or ferrous alloys
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
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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
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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
- F23J2217/00—Intercepting solids
- F23J2217/10—Intercepting solids by filters
- F23J2217/102—Intercepting solids by filters electrostatic
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Treating Waste Gases (AREA)
- Chimneys And Flues (AREA)
Abstract
The invention discloses a fluoroplastic steel low-temperature flue gas deep treatment device, which comprises a dust remover, a fan, a fluoroplastic steel low-temperature coal economizer, a desulfurizing tower, a fluoroplastic steel flue gas condenser, a wet electric dust remover and a chimney, wherein the dust remover, the fan, the fluoroplastic steel low-temperature coal economizer, the desulfurizing tower, the fluoroplastic steel flue gas condenser, the wet electric dust remover and the chimney are sequentially connected through pipelines; the water inlet of the fluoroplastic steel flue gas condenser is connected with the low-temperature demineralized water pipe, the water outlet of the fluoroplastic steel flue gas condenser is connected with the water inlet of the fluoroplastic steel low-temperature economizer through a pipeline, and the water outlet of the fluoroplastic steel low-temperature economizer is connected with the boiler through a pipeline. The invention has the characteristic of effectively treating white smoke.
Description
Technical Field
The invention relates to a flue gas treatment device, in particular to a fluoroplastic steel low-temperature flue gas advanced treatment device.
Background
In the aspect of flue gas desulfurization, more than 95% of coal-fired power plants adopt a limestone-gypsum method large wet desulfurization process, but when low-temperature wet saturated flue gas formed by the process is discharged into the atmosphere through a chimney, white smoke plume can be formed, the white smoke plume carries ultrafine particles such as fine coal ash, ammonium sulfate, ammonium nitrate, calcium sulfate and calcium nitrate, water vapor containing the fine particles has negative charges, and the water vapor can be adsorbed to form larger particles when meeting secondary pollutants (XOX, O3, OH, PM2.5) and the like in the atmosphere, so that a photochemical reaction environment is created, the remarkable generation amount of the secondary particles is increased, and more serious pollutants such as aerosol and the like are formed. At present, the mainstream route for treating white smoke plume is to adopt a flue gas condenser to indirectly exchange heat, the volume and the weight of condenser equipment can be greatly increased by adopting an air cooling mode, the flue gas condenser is usually provided with a cooling tower, circulating water is used as a cold source, the circulating water brings waste heat in low-temperature wet saturated flue gas into the cooling tower to be discharged, and the cooling tower can generate new white smoke while heat is wasted. In addition, because the loss of a circulating water system is about 5 percent generally, taking a cooling tower of 500t/h as an example, the daily water supplement amount is up to 600t, and the water consumption is larger. Therefore, the prior art has the problem of poor white smoke treatment effect.
Disclosure of Invention
The invention aims to provide a fluoroplastic steel low-temperature flue gas advanced treatment device. The invention has the characteristic of effectively treating white smoke.
The technical scheme of the invention is as follows: the fluorine plastic steel low-temperature flue gas deep treatment device comprises a dust remover, a fan, a fluorine plastic steel low-temperature economizer, a desulfurizing tower, a fluorine plastic steel flue gas condenser, a wet electric dust remover and a chimney which are sequentially connected through pipelines; the water inlet of the fluoroplastic steel flue gas condenser is connected with the low-temperature demineralized water pipe, the water outlet of the fluoroplastic steel flue gas condenser is connected with the water inlet of the fluoroplastic steel low-temperature economizer through a pipeline, and the water outlet of the fluoroplastic steel low-temperature economizer is connected with the boiler through a pipeline.
In the fluorine plastic steel low-temperature flue gas advanced treatment device, the low-temperature desalting water pipe is connected with a low-temperature desalting water outlet of a water chemical workshop.
In the fluorine plastic steel low-temperature flue gas deep treatment device, the fluorine plastic steel flue gas condenser comprises two end plates which are distributed in parallel left and right, the outer ends of the end plates are provided with flange seal heads, and a plurality of uniformly distributed fluorine plastic steel heat exchange tubes are arranged between the two end plates; a plurality of middle partition plates which are uniformly distributed in parallel are arranged between the two end plates, pipe holes matched with the fluoroplastic steel heat exchange pipes are arranged on the middle partition plates, and fluoroplastic sheaths are arranged in the pipe holes; the end plate is provided with a through hole matched with the fluoroplastic steel heat exchange tube, an annular hole groove is arranged in the through hole, and an O-shaped sealing ring made of fluorine silicon is arranged in the annular hole groove.
In the fluorine plastic steel low-temperature flue gas deep treatment device, the fluorine plastic steel heat exchange tube comprises a stainless steel tube, and a fluorine plastic layer is coated on the stainless steel tube; the thickness of stainless steel pipe is 1mm, and the thickness of fluoroplastic layer is 0.3 mm.
In the fluorine plastic steel low-temperature flue gas advanced treatment device, the fluorine plastic sheath comprises a sheath body made of fluorine plastic material, two ends of the sheath body are provided with annular buckles, and a clamping groove is arranged between the two annular buckles; the outer side end of the annular buckle at one end is also provided with an inclined guide surface.
Compared with the prior art, the system consists of a fluoroplastic steel low-temperature economizer arranged in front of a desulfurizing tower, a fluoroplastic steel flue gas condenser arranged behind the desulfurizing tower, a dust remover, a fan, a wet electric precipitator, a chimney and other auxiliary systems, wherein desalted water is used for absorbing latent heat of flue gas subjected to wet desulphurization firstly and then absorbing sensible heat of the flue gas in front of the desulfurizing tower, so that a better waste heat recovery effect is achieved, the temperature and the humidity of final discharged smoke are reduced, the deep recycling of the waste heat of the flue gas is realized, the emission of pollutants such as dust/Nox/Sox and the like is further reduced, and the white smoke plume phenomenon outside the chimney is effectively treated; the fluoroplastic steel low-temperature economizer is additionally arranged in front of the tower, so that the temperature behind the desulfurizing tower can be reduced, the function of primary condensation is realized, and the heat exchange area of a fluoroplastic steel flue gas condenser is reduced; the fluorine plastic steel flue gas condenser adopts desalted water as a cold source, avoids a newly-added cooling tower system, almost has no water loss, and reduces the consumption of water resources; the demineralized water is heated and then enters the boiler deaerator, the flue gas energy is deeply recovered, and the heat utilization rate is effectively improved. The invention adopts the fluoroplastic steel low-temperature economizer, the fluoroplastic steel flue gas condenser and the auxiliary systems thereof to achieve the purposes of energy saving and white elimination, and the system is simple, small in occupied space, small in weight and small in newly-added resistance; meanwhile, the fluoroplastic steel combines the advantages of fluoroplastic and metal, can effectively resist corrosion outside the pipe, has good rigidity and strength, no application limitation and no acid seepage, is particularly suitable for a low-temperature strong-corrosion flue gas environment, and further effectively prolongs the service life of equipment.
In addition, the joint of the fluoroplastic steel heat exchange tube and the middle clapboard is protected by a fluoroplastic sheath, so that a fluoroplastic film on the surface of the fluoroplastic steel heat exchange tube can be effectively protected from being scratched by the middle clapboard during tube penetration and operation, the fluoroplastic steel heat exchange tube can be properly restrained, and the fluoroplastic steel heat exchange tube is prevented from being damaged due to overlarge amplitude during operation; simultaneously, fluoroplastic sheath simple structure, easy batch production, fluoroplastic sheath both ends are equipped with buckle and draw-in groove, not only simple to operate, but also difficult droing after the installation.
The end plate is provided with the fluorine-silicon O-shaped sealing ring which is matched with the fluorine-plastic steel heat exchange tube, so that the fluorine-plastic film on the surface of the fluorine-plastic steel heat exchange tube can be protected, the sealing performance is ensured, the fluorine-silicon O-shaped sealing ring has good corrosion resistance, can resist the low-temperature flue gas corrosion at 240 ℃, and has the aging life of twenty years.
The flexible connection between the fluoroplastic steel heat exchange tube and the fluoroplastic sealing ring is completed by adopting the fluoroplastic material O-shaped sealing ring and the fluoroplastic sheath, so that the fluoroplastic plastic film of the fluoroplastic steel heat exchange tube can be protected and can bear low-temperature smoke corrosion, the sealing performance can be ensured, the thermal stress can be compensated or released, the problem of fluoroplastic recession caused by different thermal expansion coefficients of the fluoroplastic film and the stainless steel tube is solved, the installation is convenient, the cost is low, and the problem of connection between the fluoroplastic steel heat exchange tube and a plate is well solved.
In conclusion, the invention has the characteristic of effectively treating white smoke.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a structural view of a fluoroplastic steel flue gas condenser;
FIG. 3 is an installation view of the fluoroplastic sheath;
FIG. 4 is a schematic structural view of a fluoroplastic sheath;
fig. 5 is an installation view of the O-ring.
The labels in the figures are: the device comprises a dust remover 1, a fan 2, a fluoroplastic steel low-temperature economizer 3, a desulfurizing tower 4, a fluoroplastic steel flue gas condenser 5, a wet electric dust remover 6, a chimney 7, an end plate 501, a flange end socket 502, a fluoroplastic steel heat exchange tube 503, a middle partition plate 504, a sheath body 505, a fluoroplastic sheath 506, an O-shaped sealing ring 507, an annular buckle 508, a clamping groove 509 and an inclined guide surface 510.
Detailed Description
The invention is further illustrated by the following figures and examples, which are not to be construed as limiting the invention.
Examples are given. The fluorine plastic steel low-temperature flue gas advanced treatment device is shown in figures 1 to 5 and comprises a dust remover 1, a fan 2, a fluorine plastic steel low-temperature coal economizer 3, a desulfurizing tower 4, a fluorine plastic steel flue gas condenser 5, a wet electric dust remover 6 and a chimney 7 which are connected in sequence through pipelines; the water inlet of the fluoroplastic steel flue gas condenser 5 is connected with the low-temperature demineralized water pipe, the water outlet of the fluoroplastic steel flue gas condenser 5 is connected with the water inlet of the fluoroplastic steel low-temperature economizer 3 through a pipeline, and the water outlet of the fluoroplastic steel low-temperature economizer 3 is connected with the deaerator of the boiler through a pipeline.
The low-temperature desalted water prepared in the water melting workshop is firstly connected to a water inlet of a fluoroplastic steel flue gas condenser 5 through a low-temperature desalted water pipe, the latent heat of vaporization of saturated wet flue gas behind a desulfurizing tower is absorbed, the temperature of the desalted water is increased primarily, the desalted water heated primarily by the fluoroplastic steel flue gas condenser 5 enters a fluoroplastic steel low-temperature economizer 3 to be heated continuously, and the waste heat in the flue gas is recovered; and finally, conveying the heated desalted water to a deaerator of the boiler.
The fluorine plastic steel flue gas condenser 5 low-temperature demineralized water inlet is connected with the low-temperature demineralized water outlet of the water melting workshop through a low-temperature demineralized water pipe.
The fluorine plastic steel flue gas condenser 5 comprises two end plates 501 which are distributed in parallel left and right, a flange seal head 502 is arranged at the outer end of each end plate 501, and a plurality of fluorine plastic steel heat exchange tubes 503 which are uniformly distributed are arranged between the two end plates 501; a plurality of middle partition plates 504 which are uniformly distributed in parallel are further arranged between the two end plates 501, pipe holes matched with the fluoroplastic steel heat exchange pipes 503 are formed in the middle partition plates 504, and fluoroplastic sheaths 506 are arranged in the pipe holes; the end plate 501 is provided with a through hole matched with the fluoroplastic steel heat exchange tube 503, an annular hole groove is arranged in the through hole, and an O-shaped sealing ring 507 made of fluorine silicon is arranged in the annular hole groove.
The upper and lower ends between the adjacent middle partition plates 504 and the upper and lower ends between the middle partition plates 504 and the end plates 501 are provided with vibration-proof plates, and the middle parts between the adjacent middle partition plates 504 and the middle parts between the middle partition plates 504 and the end plates 501 are provided with middle vibration-proof plates.
The fluoroplastic steel heat exchange tube 503 comprises a stainless steel tube, and a fluoroplastic layer is coated on the stainless steel tube; the thickness of stainless steel pipe is 1mm, and the thickness of fluoroplastic layer is 0.3 mm.
The fluoroplastic sheath 506 comprises a sheath body 505 made of fluoroplastic materials, two ends of the sheath body 505 are provided with annular buckles 508, and a clamping groove 509 is arranged between the two annular buckles 508; the outer end of the annular buckle 508 at one end is also provided with an inclined guide surface 510.
The low-temperature desalted water prepared in the water melting workshop firstly enters a fluoroplastic steel flue gas condenser, the latent heat of vaporization of saturated wet flue gas after a desulfurizing tower is absorbed, and the temperature of the desalted water is increased preliminarily;
cooling saturated wet flue gas in a fluoroplastic steel flue gas condenser by desalted water, and separating out condensed water when the temperature is reduced; the condensed water of the flue gas simultaneously carries away dust, Nox and SOx in part of the flue gas, so that the emission of pollutants such as dust/Nox/SOx and the like can be further reduced. And the liquid condensed water particles with larger diameters in the flue gas are collected by the wet electric dust collector and then discharged. The flue gas condensed water can be directly used as washing water of a desulfurizing tower or a wet electric dust collector, and can also be used as process water of the desulfurizing tower after primary treatment;
the desalted water primarily heated by the fluoroplastic steel flue gas condenser enters a fluoroplastic steel low-temperature economizer to be continuously heated, and the waste heat in the flue gas is recovered. Conveying the heated desalted water to a boiler deaerator;
the flue gas reduces through fluoroplastic steel low temperature economizer back temperature, and flue gas temperature reduces, volume flow reduces, can improve the desulfurization effect of desulfurizing tower, reduce the water consumption of desulfurizing tower, has still reduced desulfurizing tower export flue gas temperature simultaneously, has played the effect of preliminary condensation.
The fluoroplastic steel low-temperature economizer and the fluoroplastic steel flue gas condenser are used for respectively recovering sensible heat and latent heat in the flue gas, so that the waste heat in the flue gas can be fully recovered, and considerable energy benefits are generated. -deep waste heat recovery.
The fluoroplastic steel low-temperature economizer reduces the temperature of the flue gas entering the desulfurizing tower, the temperature of the outlet of the desulfurizing tower is reduced, and then the fluoroplastic steel flue gas condenser condenses the flue gas, so that the temperature of the flue gas is reduced to be lower, the deep condensation effect is achieved, and the improvement of the white smoke treatment effect is facilitated. -deep condensation.
Condensed water in the flue can be returned to the desulfurizing tower for use after being collected and simply treated, so that the water consumption of the desulfurizing tower is reduced. -reducing the water consumption of the desulfurization tower.
The condenser removes moisture in the flue gas, and simultaneously carries away dust, NOx, SOx and the like, and can reduce various indexes of the discharged flue gas to a very low level. -reduction of smoke emission indicators.
Claims (1)
1. Fluorine plastic steel low temperature flue gas advanced treatment unit which characterized in that: comprises a dust remover (1), a fan (2), a fluoroplastic steel low-temperature economizer (3), a desulfurizing tower (4), a fluoroplastic steel flue gas condenser (5), a wet-type electric dust remover (6) and a chimney (7) which are connected in sequence through pipelines; the water inlet of the fluoroplastic steel flue gas condenser (5) is connected with the low-temperature demineralized water pipe, the water outlet of the fluoroplastic steel flue gas condenser (5) is connected with the water inlet of the fluoroplastic steel low-temperature economizer (3) through a pipeline, and the water outlet of the fluoroplastic steel low-temperature economizer (3) is connected with the boiler through a pipeline;
the low-temperature desalted water pipe is connected with a low-temperature desalted water outlet of the water chemical workshop;
the fluorine plastic steel flue gas condenser (5) comprises two end plates (501) which are distributed in parallel left and right, a flange seal head (502) is arranged at the outer end of each end plate (501), and a plurality of uniformly distributed fluorine plastic steel heat exchange tubes (503) are arranged between the two end plates (501); a plurality of middle partition plates (504) which are uniformly distributed in parallel are arranged between the two end plates (501), pipe holes matched with the fluoroplastic steel heat exchange pipes (503) are formed in the middle partition plates (504), and fluoroplastic sheaths (506) are arranged in the pipe holes; the end plate (501) is provided with a through hole matched with the fluoroplastic steel heat exchange tube (503), an annular hole groove is formed in the through hole, and an O-shaped sealing ring (507) made of fluorine silicon is arranged in the annular hole groove;
the fluoroplastic steel heat exchange tube (503) comprises a stainless steel tube, and a fluoroplastic layer is coated on the stainless steel tube; the thickness of the stainless steel pipe is 1mm, and the thickness of the fluoroplastic layer is 0.3 mm;
the fluorine plastic sheath (506) comprises a sheath body (505) made of fluorine plastic, two ends of the sheath body (505) are provided with annular buckles (508), and a clamping groove (509) is arranged between the two annular buckles (508); the outer side end of the annular buckle (508) at one end is also provided with an inclined guide surface (510).
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| CN201911163696.9A CN110848721B (en) | 2019-11-25 | 2019-11-25 | Fluorine plastic steel low temperature flue gas advanced treatment device |
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| CN201911163696.9A CN110848721B (en) | 2019-11-25 | 2019-11-25 | Fluorine plastic steel low temperature flue gas advanced treatment device |
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| CN113494717B (en) * | 2021-05-26 | 2023-06-06 | 长春国信新城供热工程有限公司 | Heat supply system |
| CN114259847B (en) * | 2021-12-17 | 2022-08-30 | 湖州南太湖热电有限公司 | Environment-friendly white flue gas treatment system |
| CN114307515B (en) * | 2021-12-17 | 2022-09-20 | 湖州南太湖电力科技有限公司 | Flue gas multiple recycling system based on energy conservation and emission reduction |
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| JP2000334441A (en) * | 1999-05-27 | 2000-12-05 | Japan Organo Co Ltd | Composite treatment of power plant waste water and composite treatment apparatus |
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| CN110141942A (en) * | 2019-05-24 | 2019-08-20 | 南京晨光集团有限责任公司 | A kind of flue gas depth is cooling, condensation collaboration takes off white system |
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| CN201834198U (en) * | 2010-06-13 | 2011-05-18 | 武汉海王机电工程技术公司 | Diving propeller |
| CN201733464U (en) * | 2010-06-24 | 2011-02-02 | 安徽环瑞电热器材有限公司 | Single-phase constant-power heating cable |
| CN102188763A (en) * | 2011-03-14 | 2011-09-21 | 张亚根 | Disposable safe transfusion needle |
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| JP2000334441A (en) * | 1999-05-27 | 2000-12-05 | Japan Organo Co Ltd | Composite treatment of power plant waste water and composite treatment apparatus |
| 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 |
| CN107218618A (en) * | 2017-06-02 | 2017-09-29 | 浙江巨化热电有限公司 | A kind of smoke waste heat comprehensive utilization system and its method |
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| CN110141942A (en) * | 2019-05-24 | 2019-08-20 | 南京晨光集团有限责任公司 | A kind of flue gas depth is cooling, condensation collaboration takes off white system |
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