CN108310943A - A kind of ozone oxidation type embrane method flue gas waste heat recovery and purification system - Google Patents

A kind of ozone oxidation type embrane method flue gas waste heat recovery and purification system Download PDF

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Publication number
CN108310943A
CN108310943A CN201810184193.9A CN201810184193A CN108310943A CN 108310943 A CN108310943 A CN 108310943A CN 201810184193 A CN201810184193 A CN 201810184193A CN 108310943 A CN108310943 A CN 108310943A
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China
Prior art keywords
flue gas
heat
water
ozone oxidation
vapor
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Pending
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CN201810184193.9A
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Chinese (zh)
Inventor
张群力
翟洪宝
张新超
张琳
范兴泉
牛宇
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Beijing University of Civil Engineering and Architecture
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Beijing University of Civil Engineering and Architecture
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Priority to CN201810184193.9A priority Critical patent/CN108310943A/en
Publication of CN108310943A publication Critical patent/CN108310943A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/76Gas phase processes, e.g. by using aerosols
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/14Separation 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 absorption
    • B01D53/1456Removing acid components
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/22Separation 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 diffusion
    • B01D53/229Integrated processes (Diffusion and at least one other process, e.g. adsorption, absorption)
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/343Heat recovery
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/46Removing components of defined structure
    • B01D53/54Nitrogen compounds
    • B01D53/56Nitrogen oxides

Abstract

The invention belongs to the technical field of gas fired-boiler flue gas heat recovery, purification of nitrogen oxides and carbon emission reduction, more particularly to a kind of ozone oxidation type embrane method flue gas waste heat recovery and purification system.This system includes gas fired-boiler, hydrophilic film component, air preheater, ozone generator, ozone oxidation room, hydrophobic film component, circulating pump, chemicals dosing plant, absorption liquid pool, heat pump, vacuum pump, vapor-water heat exchanger etc.;Flue gas is detached by vapor after vacuum hydrophilic film component, and the water vapour of separation condenses heat release in vapor-water heat exchanger, preheats heat supply network return water;Temperature reduces after dry flue gas after separation enters air preheater preheated air, enters hydrophobic film component, the CO in hydrophobic film component after then being aoxidized by ozone oxidation room2、NOXIt is absorbed by liquid absorption, absorbing liquid absorbs the heat generated after sour gas and preheated to heat supply network return water by heat pump.With membrane separation technique and ozonation technology, which realizes the waste heat recovery and purification of flue gas.

Description

A kind of ozone oxidation type embrane method flue gas waste heat recovery and purification system
Technical field
The invention belongs to the technical fields of gas fired-boiler flue gas heat recovery, purification of nitrogen oxides and carbon emission reduction, special It is not related to a kind of ozone oxidation type embrane method flue gas waste heat recovery and purification system.
Background technology
The main component of natural gas is methane, and the hot environment that when burning generates can promote the generation of nitrogen oxides, burning It also will produce a large amount of vapor and carbon dioxide afterwards.Since flue-gas temperature is higher than water condensation temperature, vapor is big in flue gas Amount latent heat is discharged with flue gas, causes thermal loss;CO2As greenhouse gases, a large amount of discharges are cause climate warming main Reason, the NOx given off in addition can cause Heavy environmental pollution.For energy saving and environment protection, need to flue gas Carry out waste heat recovery and NOx, CO2Absorption cleaning.
Invention content
The object of the present invention is to provide a kind of ozone oxidation type embrane method flue gas waste heat recovery and purification systems, include mainly Gas fired-boiler 1, air preheater 3, ozone generator 4, ozone oxidation room 5, hydrophobic film component 6, follows at hydrophilic film component 2 Ring pump 7, absorbs liquid pool 9, heat pump 10, vacuum pump 11, vapor-water heat exchanger 12 at chemicals dosing plant 8.
Wherein, gas fired-boiler 1, hydrophilic film component 2, air preheater 3, ozone oxidation room 5, hydrophobic film component 6 according to Secondary connection.Hydrophilic film component 2 is also sequentially connected with vapor-water heat exchanger 12, vacuum pump 11, is made in hydrophilic film component 2 in negative Pressure condition;Air or oxygen is passed through ozone generator 4 and generates ozone, and low-temperature flue gas 15 is aoxidized subsequently into ozone oxidation room 5;It dredges Aqueous membrane module 6, heat pump 10, absorption liquid pool 9, chemicals dosing plant 8, circulating pump 7 are sequentially connected, and form sour gas absorption system; Heat supply network return water 20 becomes preheating return water 21 after absorbing heat by heat pump 10, then absorbs vapor heat by vapor-water heat exchanger 12 Amount becomes boiler feed water 22, into boiler 1;Air 18 becomes preheated air 19 after the heating of preheater 3, into gas fired-boiler 1。
The gas fired-boiler 1 is Medium and small gas boiler, and using combustion gas as fuel, burning with preheated air 19, it is high warm and humid to generate Flue gas 13, while the heat transfer that burning is generated forms it into heat supply network water supply 23 to boiler feed water 22.
The hydrophilic film component 2 is the external-compression type membrane module using Hydrophilic hollow fiber membrane Shu Zucheng, utilizes vacuum Pump 11 generates perineurium inside and outside differential pressure and high temperature wet flue gas 13 is carried out separating dry space from moist space, and the high temperature dry flue gas 14 of subsequent dehumidification enters air Preheater 3, the high-temperature vapor 24 isolated enter vapor-water heat exchanger 12 and condense heat release.The component uses shell-and-tube, uses Hollow composite membrane is as tube bank.The compound perineurium includes separating layer, transition zone and supporting layer, makes doughnut using vacuum pump Make the moisture diffusion in wet flue gas to per-meate side, then in film to generate inside and outside differential pressure in negative pressure state inside perineurium Moisture parsing occurs for per-meate side, to which high temperature wet flue gas is carried out separating dry space from moist space.Since perineurium long-term work can be by flue To the impact of flue gas, need addition supporting layer that tensile strength and soft just property is made to be improved.The present invention selects SPEEK/PES to form Hollow fiber composite membrane beam, wherein SPEEK (sulfonated polyether-ether-ketone) be used as separation layer materials, rise centrifugation, PES (polyethers Sulfone) it is used as support layer material, play mechanical support, the transition zone is then to be embedded in PES to be formed in part SPEEK.
The vapor-water heat exchanger 12 is the indirect type heat exchanger that water and vapor exchange heat, vapor 24 wherein in advance Hot return water 21 generates condensed water 25 after being exchanged heat, and is used as boiler replenishing water;Preheating after return water 21 heats becomes boiler feed water 22, subsequently enter gas fired-boiler 1.The condensed water 25 generated after 24 condensing heat-exchange of vapor, as boiler replenishing water.
The vacuum pump 11 makes hollow perineurium in hydrophilic film component 2 be in negative pressure state, and is high-temperature vapor 24 Power is provided.
The air preheater 3 is the indirect type heat exchanger that high temperature dry flue gas exchanges heat with air, high temperature dry flue gas 14 Air 18 is transferred heat to, cooling becomes low-temperature flue gas 15;Air 18 becomes preheated air 19 after heating, into gas-fired boiler Stove 1.
The ozone generator 4 generates ozone using high-pressure electrolysis, and air or oxygen generates ozone, is then passed through after being passed through Ozone oxidation room 5 aoxidizes low-temperature flue gas 15.Low chemical valence nitrogen oxides in flue gas are high chemical combination by the ozone oxidation room 5 Valence nitrogen oxides, high chemical valence nitrogen oxides is soluble easily in water, can be with CO2It is absorbed together.Low-temperature flue gas 15 is aoxidized after entering For flue gas after oxidation 16.Ozone oxidation room 5 is serially connected in flue.
The hydrophobic film component 6 is the inner pressed membrane module formed using the hydrophobicity perineurium of hollow structure, with cycle Pump 7, chemicals dosing plant 8 absorb liquid pool 9, the composition sour gas absorption system of heat pump 10, and the hydrophobic film component mainly uses micro- Hole membrane technology, used microporous barrier itself only play the role of separation gas and absorbing liquid, handled cigarette without selectivity Gas and absorbing liquid are not directly contacted with, and are flowed respectively in film both sides.The sour gas includes CO2With the high chemical valence nitrogen aoxidized Oxide.Sour gas enters coating solution side in dry flue gas, reacts with absorbent solution, realizes nitrogen oxides and CO2Suction It receives.Absorbent solution can be MDEA (methyl diethanolamine), MEA (ethanol amine) or potassium amino acid etc..The perineurium material is optional With polypropylene or polytetrafluoroethylene (PTFE).
The circulating pump 7 provides power for absorbing liquid cycle and control absorbs flow quantity;8 oxytropism gas of the chemicals dosing plant Absorbing liquid is added in body absorption system, maintains absorbing liquid concentration, ensures assimilation effect;The discharge of absorption liquid pool 9 is fully inhaled Receive the absorbing liquid of sour gas.
The heat transfer that absorbing liquid is absorbed sour gas releasing by the heat pump 10 forms preheating return water to heat supply network return water 20 21;Meanwhile absorbing liquid temperature being kept to stablize to ensure assimilation effect.
The present invention has the advantages that compared with prior art:
1. hydrophilic film component can detach vapor in flue gas, the vapor isolated is in vapor-water heat exchanger and pre- Condensing heat-exchange occurs for hot return water, and the condensed water of generation can be used as boiler replenishing water;Btu utilization air preheat in dry flue gas after dehumidification Device is recycled, while the air that heating boiler burning needs.And since dry flue gas dew-point temperature reduces after dehumidification, in sensible heat Dry flue gas does not condense when recycling, reduces the requirement for anticorrosion of air preheater.
2. the low chemical valence nitrogen oxides of ozone oxidation be high chemical valence nitrogen oxides soluble easily in water after, make absorption CO2's Component can simultaneously absorbing NOx, reduce Installed capital cost.
3. the flue-gas temperature through waste heat recovery reduces, it is passed through ozone later, the thermal decomposition effect of ozone can be mitigated, ensured smelly The oxidation effectiveness of oxygen.
4. on the one hand the heat transfer that absorbing liquid is absorbed sour gas release using heat pump can be preheated to heat supply network return water Heat supply network return water, it is energy saving, it on the other hand maintains absorbing liquid temperature in the most suitable range of absorption, ensures assimilation effect.
Ozone oxidation type embrane method flue gas waste heat recovery provided by the invention can not only high efficiente callback flue gas with purification system Waste heat of condensation, and can effectively reduce the discharge of nitrogen oxides in effluent and carbon dioxide, conducive to economizing on resources and environmental protection.
Description of the drawings
Fig. 1 is the schematic diagram of the flue gas waste heat recovery of ozone oxidation type embrane method and purification system of the present invention.
In figure:1-gas fired-boiler, 2-hydrophilic film components, 3-air preheaters, 4-ozone generators, 5-ozone Oxidizing chamber, 6-hydrophobic film components, 7-circulating pumps, 8-chemicals dosing plants, 9-absorption liquid pools, 10-heat pumps, 11-vacuum pumps, 12-vapor-water heat exchangers, 13-high temperature wet flue gas, 14-high temperature dry flue gas, 15-low-temperature flue gas, flue gas after 16-oxidations, 17- Exhaust, 18-air, 19-preheated airs, 20-heat supply network return water, 21-preheating return water, 22-boiler feed waters, 23-heat supply networks supply Water, 24-vapor, 25-condensed waters.
Specific implementation mode
The object of the present invention is to provide a kind of ozone oxidation type embrane method flue gas waste heat recovery and purification systems, with reference to attached The invention will be further described for figure.
Fig. 1 show the schematic diagram of the flue gas waste heat recovery of ozone oxidation type embrane method and purification system of the present invention.The ozone The flue gas waste heat recovery of oxidized form embrane method and purification system include mainly gas fired-boiler 1, hydrophilic film component 2, air preheater 3, Ozone generator 4, hydrophobic film component 6, circulating pump 7, chemicals dosing plant 8, absorbs liquid pool 9, heat pump 10, vacuum at ozone oxidation room 5 Pump 11 and vapor-water heat exchanger 12.
Wherein, gas fired-boiler 1, hydrophilic film component 2, air preheater 3, ozone oxidation room 5, hydrophobic film component 6 according to Secondary connection.Hydrophilic film component 2 is connect with vapor-water heat exchanger 12, vacuum pump 11 so that 2 inside of hydrophilic film component is in negative pressure Vacuum state;The heating into after crossing preheater 3 of air 18 is preheated air 19;Air or oxygen generates after ozone generator 4 Ozone aoxidizes low-temperature flue gas 15 into ozone oxidation room 5;Hydrophobic film component 6, heat pump 10, absorb liquid pool 9, chemicals dosing plant 8, Cycle originally 7 is sequentially connected, and forms sour gas absorption system;Heat supply network return water 20 becomes preheating back after absorbing heat by heat pump 10 Water 21, preheating return water 21 becomes boiler feed water 22 after absorbing vapor heat by vapor-water heat exchanger 12, into gas fired-boiler 1.
Hydrophilic film component 2 is using vacuum pump 11 so that hollow fiber membrane bundle is inside and outside to generate pressure difference, by high temperature wet flue gas 13 Separating dry space from moist space is carried out, the high temperature dry flue gas 14 after subsequent dehumidification enters air preheater 3, and the vapor 24 isolated enters carbonated drink With preheating return water 21 condensation heat transfer occurs for heat exchanger 12, and the heating of preheating return water 21 send water 22, the condensation of vapor 24 to generate at boiler Condensed water 25.Dry flue gas 14 exchanges heat in air preheater with air 18, and the water vapour content of dry flue gas 14 is less, can It is not condensed after cooling, reduces the requirement for anticorrosion of air preheater.
Air or oxygen is passed through ozone generator 4, and high-pressure electrolysis generates ozone, then aoxidized into ozone oxidation room 5 low Warm flue gas 15, ozone oxidation room 5 are serially connected in flue.Low-temperature flue gas 15 is oxidized into after oxidation after flue gas 16, is entered Hydrophobic film component 6 carries out sour gas absorption.
Hydrophobic film component 6 forms sour gas and absorbs with circulating pump 7, chemicals dosing plant 8, absorption liquid pool 9, heat pump 10 System absorbs CO in flue gas2With the high chemical valence nitrogen oxides aoxidized.CO in flue gas 16 after oxidation2With the nitrogen oxidation of high chemical valence Object is absorbed because concentration difference enters absorbing liquid;Chemicals dosing plant 8 can guarantee absorbing liquid concentration, it is ensured that assimilation effect;Heat pump 10 is suction The heat transfer of liquid absorption sour gas releasing is received to heat supply network return water 20, forms preheating return water 21;Meanwhile it is extra to discharge absorbing liquid Heat keeps the stabilization of temperature to ensure assimilation effect.
In conclusion ozone oxidation type embrane method flue gas waste heat recovery of the present invention and purification system, realize flue gas Separating dry space from moist space accomplishes that waste heat efficiently utilizes;It realizes and is absorbed simultaneously with carbon dioxide after nitrogen oxides in effluent is aoxidized again. Have the advantages that investment reduction cost, energy-saving and emission-reduction, save water resource.
Technical scheme of the present invention is described in detail above.It is apparent that the present invention is not limited the content.It is ripe A variety of variations can also be made accordingly by knowing those skilled in the art, but any is equal or similar variation belongs to of the invention The scope of protection of the invention.

Claims (10)

1. a kind of ozone oxidation type embrane method flue gas waste heat recovery and purification system, which is characterized in that include mainly gas fired-boiler (1), hydrophilic film component (2), air preheater (3), ozone generator (4), ozone oxidation room (5), hydrophobic film component (6), circulating pump (7), chemicals dosing plant (8), absorption liquid pool (9), heat pump (10), vacuum pump (11), vapor-water heat exchanger (12) composition; Wherein, gas fired-boiler (1), hydrophilic film component (2), air preheater (3), ozone oxidation room (5), hydrophobic film component (6) It is sequentially connected;Hydrophilic film component (2) is also connect with vapor-water heat exchanger (12), vacuum pump (11);Air or oxygen passes through ozone Generator (4) generates ozone, into ozone oxidation room (5) oxidation low-temperature flue gas (15);Hydrophobic film component (6), heat pump (10), It absorbs liquid pool (9), chemicals dosing plant (8), circulating pump (7) to be sequentially connected, forms sour gas absorption system;Heat supply network return water (20) is logical Crossing after heat pump (10) absorbs heat becomes preheating return water (21), and becomes after vapor-water heat exchanger (12) absorbs vapor heat Boiler feed water (22), into gas fired-boiler (1);It is preheated air (19) that air (18) heats up after preheater (3).
2. ozone oxidation type embrane method flue gas waste heat recovery according to claim 1 and purification system, which is characterized in that described Gas fired-boiler (1) is using combustion gas as fuel, after the heat transfer to boiler feed water (22) generated with preheated air (19) burning, shape Heat supply is carried out at heat supply network water supply (23);Meanwhile preheated air (19) generates high temperature wet flue gas (13).
3. ozone oxidation type embrane method flue gas waste heat recovery according to claim 1 and purification system, which is characterized in that described Hydrophilic film component (2) is the external-compression type membrane module using Hydrophilic hollow fiber membrane Shu Zucheng, is made using vacuum pump (11) Negative-pressure vacuum state is in inside hollow fiber membrane bundle, using the pressure difference inside and outside hollow fiber membrane bundle, by high temperature wet flue gas (13) Separating dry space from moist space is carried out, the high temperature dry flue gas (14) after subsequent dehumidification enters air preheater (3), the high-temperature vapor isolated (24) enter vapor-water heat exchanger (12).
4. the ozone oxidation type embrane method flue gas waste heat recovery according to claim 1 or claim 3 and purification system, special Sign is that the vapor-water heat exchanger (12) is the indirect type heat exchanger of vapor and water heat exchange, from hydrophilic film component (2) Vapor (24) carries out heat exchange with preheating return water (21), and preheating return water (21) becomes boiler feed water (22) after heating, Subsequently enter gas fired-boiler (1);The condensed water (25) generated after vapor (24) condensing heat-exchange, as boiler replenishing water.
5. the ozone oxidation type embrane method flue gas waste heat recovery according to claim 1 or claim 3 and purification system, special Sign is that the vacuum pump (11) makes hollow perineurium in hydrophilic film component (2) be in negative pressure state, and is high-temperature vapor (24) power is provided.
6. the ozone oxidation type embrane method flue gas waste heat recovery according to claim 1 or claim 3 and purification system, special Sign is that the air preheater (3) is indirect type heat exchanger, and heat exchange, high temperature are carried out for high temperature dry flue gas and air In heat transfer to air (18) in dry flue gas (14), cooling becomes low-temperature flue gas (15);Air (18) becomes after heating Preheated air (19), into gas fired-boiler (1).
7. ozone oxidation type embrane method flue gas waste heat recovery according to claim 1 and purification system, which is characterized in that described Ozone generator (4) generates ozone using high-pressure electrolysis, and air or oxygen generates ozone, is then passed through ozone oxidation room after being passed through (5) oxidation low-temperature flue gas (15);The ozone oxidation room (5) is serially connected in flue, and nitrogen oxides in effluent is carried out oxygen Change.
8. ozone oxidation type embrane method flue gas waste heat recovery according to claim 1 and purification system, which is characterized in that described Hydrophobic film component (6) use hydrophobic hollow fiber perineurium, be inner pressed membrane module, with circulating pump (7), chemicals dosing plant (8), Liquid pool (9), heat pump (10) composition sour gas absorption system are absorbed, the sour gas includes CO2With the nitrogen oxidation aoxidized Object;Poor using the microcellular structure of perineurium and the solution concentration of perineurium both sides, sour gas enters coating solution side in dry flue gas, with suction It receives solution to react, to reduce nitrogen oxides and CO2Content;The absorbent solution is MDEA, MEA or potassium amino acid.
9. special according to claim 1 or ozone oxidation type embrane method flue gas waste heat recovery according to any one of claims 8 and purification system Sign is that the circulating pump (7) not only provides power for solution cycle but also controls solution circulation flow amount;The chemicals dosing plant (8) to Absorbing liquid is added in the sour gas absorption system, it is ensured that assimilation effect;Absorption liquid pool (9) discharge has fully absorbed acid The absorbing liquid of property gas.
10. according to claim 1 or ozone oxidation type embrane method flue gas waste heat recovery according to any one of claims 8 and purification system, It is characterized in that, the heat transfer that absorbing liquid is absorbed sour gas releasing by the heat pump (10) is formed pre- to heat supply network return water (20) Hot return water (21);Meanwhile absorbing liquid temperature being kept to stablize to ensure assimilation effect.
CN201810184193.9A 2018-03-06 2018-03-06 A kind of ozone oxidation type embrane method flue gas waste heat recovery and purification system Pending CN108310943A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109268821A (en) * 2018-10-15 2019-01-25 北京建筑大学 Gas fired-boiler waste heat recovering and purifying system based on film humidification
CN109569240A (en) * 2018-12-14 2019-04-05 山东汇之蓝环保科技有限公司 NO_x Reduction by Effective ionic liquid and its application method

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CN103331095A (en) * 2013-07-16 2013-10-02 国家海洋局天津海水淡化与综合利用研究所 Simultaneous desulphurization and denitration device for seawater smoke with membrane absorption method, as well as process of device
CN107062298A (en) * 2017-05-26 2017-08-18 华北电力大学 The system and heat exchange module of vapor and its heat in a kind of embrane method recovered flue gas
GB2547696A (en) * 2016-02-26 2017-08-30 John Brown Allan Method of reclaiming and utilizing water and carbon dioxide from the exhaust to create near zero greenhouse gas emission exhaust system
CN107551751A (en) * 2017-08-30 2018-01-09 江苏汇创流体工程装备科技有限公司 Moisture and heat recovery and utilization method and its system in a kind of coal-burning power plant's discharge flue gas

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103331095A (en) * 2013-07-16 2013-10-02 国家海洋局天津海水淡化与综合利用研究所 Simultaneous desulphurization and denitration device for seawater smoke with membrane absorption method, as well as process of device
GB2547696A (en) * 2016-02-26 2017-08-30 John Brown Allan Method of reclaiming and utilizing water and carbon dioxide from the exhaust to create near zero greenhouse gas emission exhaust system
CN107062298A (en) * 2017-05-26 2017-08-18 华北电力大学 The system and heat exchange module of vapor and its heat in a kind of embrane method recovered flue gas
CN107551751A (en) * 2017-08-30 2018-01-09 江苏汇创流体工程装备科技有限公司 Moisture and heat recovery and utilization method and its system in a kind of coal-burning power plant's discharge flue gas

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109268821A (en) * 2018-10-15 2019-01-25 北京建筑大学 Gas fired-boiler waste heat recovering and purifying system based on film humidification
CN109569240A (en) * 2018-12-14 2019-04-05 山东汇之蓝环保科技有限公司 NO_x Reduction by Effective ionic liquid and its application method

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