CN107559875A - A kind of combustion gas method for effectively reducing gas furnace discharged nitrous oxides - Google Patents
A kind of combustion gas method for effectively reducing gas furnace discharged nitrous oxides Download PDFInfo
- Publication number
- CN107559875A CN107559875A CN201610622775.1A CN201610622775A CN107559875A CN 107559875 A CN107559875 A CN 107559875A CN 201610622775 A CN201610622775 A CN 201610622775A CN 107559875 A CN107559875 A CN 107559875A
- Authority
- CN
- China
- Prior art keywords
- combustion
- spray column
- stove
- spray
- stokehold
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
-
- 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
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Landscapes
- Chimneys And Flues (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a kind of combustion gas method for effectively reducing gas furnace discharged nitrous oxides, methods described is to carry out warming and humidifying to the combustion air before entering combustion system by the humidification system that heats up, by ignition temperature control below the threshold value for only generating few nitrogen oxides；Flue gas is cooled and washed to flue gas after burning by residual neat recovering system after burning.The present invention is relatively low to combustion system calls, using burner combination this method of common resistance to high humility, the purpose of discharged nitrous oxides is effectively reduced with regard to that can reach, has saved improvement of manufacturing line cost；And the setting of heating humidification system and residual neat recovering system takes into account pollutant emission control and the aspect technical indicator of the superelevation thermal efficiency two, therefore this method is cleaning burning and the comprehensive integrated technology of low pollution emission.
Description
Technical field
The present invention relates to a kind of stove combustion gas method of combustion gas, and more particularly to one kind is by effective to combustion air heating and moistening
Reduce the combustion gas method of gas furnace discharged nitrous oxides.
Background technology
In recent years, China's rapid economic development, atmosphere polluting problem is further severe, the regional big compression ring of characteristic contamination
Border problem becomes increasingly conspicuous.Natural gas is a kind of clean energy resource, and its main component is methane, and carbon dioxide is generated after methyl hydride combustion
And water, it is substantially not present particle and sulphide staining.But if natural gas burns in a traditional way, extreme temperatures, can largely generate
Heating power nitrogen oxides (NOx) is with fume emission into atmospheric environment.NOx composition is with NO and NO2Based on.NO can enter in an atmosphere
One step is oxidized to NO2.NOx has significant impact to environment and health of human body, and it can form nitric acid and nitre in atmospheric environment
Hydrochlorate particulate matter, accelerate the acidifying of regional acid rain and soil.In addition, NOx is also the arch-criminal to form photochemical fog
One of.
The NOx annual emissions of China have occupied first place in the world.Beijing promulgates within 2015《Boiler Air Pollutant Emission
Standard》(DB11/139-2015), it is desirable to before 1 day April in 2017 with the NOx emission of gas furnace by existing 150mg/m3Drop
To 80mg/m3Hereinafter, and mandatory provisions, the NOx emission of all newly-built gas furnaces should be less than 30mg/m from 1 day April in 20173.Mesh
It is preceding with gas furnace level of NOx emission generally in 100~200mg/m3, therefore existing almost all gas furnace all suffer from doing it is low
The situation of nitrogen discharged transformation.The senior general of the market demand of NOx abatement is unthinkable.
Realize that the low-nitrogen discharged technological approaches of gas furnace mainly there are two：Gas denitrifying technology after burning and aflame
Low NOx generates control technology.The former complex technical process, cost is at a relatively high, and latter techniques' content is high, and cost is relatively low.In burning
Low nitrogen generation control there is also a variety of methods for having certain effect, such as Researched of Air Staging Combustion Burning Pulverized Coal, flue gas recirculating technique etc. to belong to
In the technology of maturation, largely used in the practical application of various industrial furnaces.However, as environmental problem and limit row refer to
Target is increasingly strict, it is necessary to researches and develops a kind of more efficiently combustion gas method for reducing gas furnace NOx emission.
The content of the invention
In order to solve the above problems, present inventor has performed study with keen determination, there is provided a kind of effectively to reduce gas furnace NOx rows
The combustion gas method put, i.e., warming and humidifying is carried out to the combustion air before entering combustion system by the humidification system that heats up, can facilitated
Ground controls ignition temperature below the threshold value for only generating few NOx, in source the control of NOx growing amount minimum, from
And complete the present invention.
It is an object of the invention to provide a kind of combustion gas method for effectively reducing gas furnace NOx emission, the combustion gas method
Including carrying out warming and humidifying processing to the combustion air before entering combustion system by the humidification system that heats up；The combustion-supporting sky after processing
Gas is reacted into combustion system.The heating humidification system includes stokehold spray column, and the combustion air is through into stokehold
Tower bottom is sprayed, with the water reverse heat-exchange that gets off from stokehold spray column top spray and after humidifying, through stokehold spray column top
Air outlet slit flows out, into combustion system.
By a kind of combustion gas method for effectively reducing gas furnace NOx emission provided by the invention, following technology can be reached
Effect：
1st, burner and provided by the invention emission reduction using existing resistance to high humility relatively low to combustion system calls of the invention
Method, it just can reach requirement discharge index, save improvement of manufacturing line cost；
2nd, the high intensity humidification never having in the past is carried out there is provided stokehold spray column, it is warm to suppress to burn in stove with this
Degree, so as to reach from generation NOx source emission reduction purpose, it is easy and effective, this and in the past it is widely used and mature " classification
The technology such as burning ", " flue gas recirculation " is completely different；
The 3rd, heat exchanger is set after combustion system, and using spray column direct contact heat transfer reverse with flue gas after stove and removed
It is wet, realize that final exhaust gas temperature reaches close to environment temperature, this causes the thermal efficiency of combustion system (with the low heat valve of fuel
During calculating) even more than 100% can be approached；
The 4th, one spray column is respectively set before and after combustion system, the shower water of two spray columns is existed by two circulating pumps
The flow circuit of closure is formed between two spray columns, recycling for heat energy and water resource is realized, has saved cost；
5th, this method is that can take into account pollutant emission control and the advanced combustion gas of the aspect technical indicator of the superelevation thermal efficiency two
Scheme, it is the comprehensive integrated technology of cleaning burning and low pollution emission.
Brief description of the drawings
Fig. 1 shows effectively to reduce the gas burning system schematic diagram of gas furnace NOx emission in a kind of preferred embodiment of the present invention.
Drawing reference numeral explanation：
1- stokeholds spray column；
2- spray throwers；
3- fillers；
4- circulating pumps；
Spray column after 5- stoves；
6- spray throwers；
7- fillers；
8- air blowers；
9- burners；
10- combustion gas furnace bodies；
11- heat exchangers.
Embodiment
Below by the present invention is described in detail, the features and advantages of the invention will become more with these explanations
To be clear, clear and definite.
The purpose of the present invention is to disclose a kind of combustion gas method for effectively reducing gas furnace discharged nitrous oxides, methods described bag
Include following steps：
1) warming and humidifying is carried out to the combustion air before entering combustion system by the humidification system that heats up；
2) combustion air after step 1 processing is reacted into combustion system.
In the present invention, the heating humidification system includes stokehold spray column, and the combustion air enters stokehold spray column bottom
Portion, with spraying the water reverse heat-exchange to get off from the spray column top spray device of stokehold and humidifying, the sky through stokehold spray column top
Gas outlet outflow, into combustion system；
In a preferred embodiment, the combustion air is sent into stokehold by air blower and sprays tower bottom, to protect
Demonstrate,prove stable combustion air flow.
In further preferred embodiment, filler is provided with the stokehold spray column, filler fixed position can be in stove
Preceding spray column internal upper part, middle part, bottom or optional position combination, for increasing the contact area of water and combustion air.It is described to fill out
Material includes regular type filler and dumped packing, and the filler is corrosion-resistant and high temperature resistant material, preferably stainless steel, ceramics and modeling
One or more in material.
In the present invention, the temperature of shower water is 30 DEG C~70 DEG C, preferably 40 DEG C~60 DEG C in the spray column of stokehold；Heating adds
The temperature of combustion air is 30 DEG C~70 DEG C, 40 DEG C~60 DEG C preferably in bulk after wet；Humidity is steam-laden or supersaturation
State.The key factor that amount of NOx size is generated when natural gas fuel system is burnt is ignition temperature.Combustion air is not made to locate
Ignition temperature helps up to 1800 DEG C~1900 DEG C by stokehold spray column warming and humidifying to the combustion air of saturation state during reason
Few NOx 1400 DEG C~less than 1523 DEG C of threshold value is being only generated in ignition temperature is controlled.
In the present invention, the combustion system includes burner and combustion gas furnace body, combustion gas and the combustion-supporting sky for being sent into burner
Gas mixes, and is burnt in combustion gas furnace body internal combustion.Exhaust steam valve and draining valve are set in the combustion gas furnace body, is respectively used to control combustion gas
Caused condensate after gas content and discharge are burnt in furnace body.
Still contain a small amount of NOx, and stokehold after combustion gas and the combustion air mixed combustion of heating and moistening in caused flue gas
The output of continuation water and the recycling of water easily cause the increase of production cost in spray column, further to reduce NOx in flue gas
Content and water use processing cost, while Mist heat recovering, the combustion gas side for reducing gas furnace discharged nitrous oxides
Method also include will burning after flue gas by residual neat recovering system, so that flue gas after burning is cooled and washed.
Residual neat recovering system includes spray column after the heat exchanger being connected with combustion gas furnace body and the stove being connected with heat exchanger, cigarette
Gas after heat exchanger with spraying the water to get off in the spray column top spray device after stove by, into the bottom of spray column after stove, carrying out
Discharged after countercurrent flow and dehumidification after stove at the top of spray column.
Heat exchanger tube is the finned tube of light pipe or pipe outer wall combination fin structure, preferably helical fin in the heat exchanger
Pipe, this structure can enable heat exchange pipe external surface to extend, and improve heat exchange area.Exchanger base is provided with discharge pipe line, by flue gas
Caused condensate discharge, tower bottom is sprayed after being preferably discharged into stove after cooling.
Be provided with filler after the stove in spray column, filler fixed position can after stove spray column internal upper part, middle part, bottom or
Optional position is combined, for increasing the contact area of water and flue gas.After the stove in spray column shower water temperature for 30 DEG C~
50℃.After stove spray column on the one hand make flue gas by with low temperature water direct contact heat-exchanging, flue-gas temperature is reduced to close to environment
Temperature, to ensure that the thermal efficiency of whole combustion system reaches high level；On the other hand, after stove the shower water of spray column also to cigarette
Gas plays a part of fully washing.Due to NOx and CO2There is certain solubility in water, the acid water that bottom of towe can be accumulated
Focus on and reuse, and various pollutants are no longer discharged into atmospheric environment.
Spray column is carried out inverse with air and flue gas respectively by filler with the direct way of contact after stokehold spray column and stove
Flow caloic to exchange, heat and mass excellent.Showing as this caloic exchange can realize that terminal is almost " zero temperature difference " and relative
Humidity reaches saturation, i.e., in the spray column of stokehold, the air after heating reach with shower water very close to or almost identical temperature,
Humidity reaches the saturation state under relevant temperature；Equally after stove in spray column, flue gas is also cooled to be tapped with shower water ten
Near temperature, and exhaust steam moisture is also the saturation state under corresponding lower temperature.
In the present invention, spray tower bottom is provided with water tank after the stokehold spray tower bottom and stove, and is determined in water tank
Highly place sets overflow valve, it is preferable that the water tank inner surface preservative treatment, makes the erosion resistance of water tank be strengthened.
The water tank of stokehold spray tower bottom is connected to form cold water pipeline by the spray thrower at the top of spray column after pipeline and stove, is sprayed after stove
The spray thrower for drenching top of tower is connected to form hot water line by the water tank of pipeline and preceding spray tower bottom, is set respectively in two pipelines
Circulating pump is put, makes the water route composition closed circulation system of spray column after stokehold spray column and stove, in addition water caused by fuel gas buring,
Therefore in addition to blowdown, spray column water circulation system does not consume water resource substantially after stokehold spray column and stove.
The present invention uses the circulatory system of gas burning system combination water-moist steam, is dropped in original burner or low NO
On the basis of low-nitrogen discharged, higher levels of low-nitrogen discharged index is realized；Carried out simultaneously using water and flue gas by filler straight
The Mass and heat transfer of contact, and the heat recovery heat exchanger of gas furnace afterbody is combined, realize the thermal efficiency of superelevation.
In a preferred embodiment, it is a kind of effectively reduce gas furnace NOx emission gas burning system as shown in figure 1,
Spray thrower 2 and filler 3 be installed, spray thrower 2 sprays after being connected to stove by being connected with the pipeline of circulating pump 4 in stokehold spray column 1
Drench the water tank of the bottom of tower 5.Spray thrower 6 and filler 7 are equally installed, spray thrower 6 is by being connected with circulation after stove in spray column 5
The pipeline of pump 4 is connected to the water tank of the bottom of stokehold spray column 1.Air blower 8 is arranged on the exterior bottom of stokehold spray column 1, will help
Combustion air brings stokehold spray column 1 into and carries out heat water-spraying.Saturated moist air after heat exchange is from the upper end of stokehold spray column 1
It is connected through air duct with burner 9, combustion gas mixes and in the combustion chamber internal combustion of combustion gas furnace body 10 with the combustion air being sent into
Burn, furnace tubing, medium in pipe is reached the temperature of design.Flue gas in fuel chamber first flows through heat exchanger 11, the heat exchange
Device 11 is that fin tube type flue residue heat reclaims heat exchanger, and part water vapour contained in flue gas condenses in the process, cigarette
The part sensible heat and vapor latent heat of gas are tentatively reclaimed.Flue gas after preliminary cooling sprays after entering stove by flue
Tower 5, with the heat exchange of low-temp. spraying water contact and dehumidification, have the function that to wash flue gas simultaneously in the process, further
Reduce the quantity to air discharge NOx and other various pernicious gases.Flue gas after cooling and dehumidification, finally with close to environment
The level of temperature, by the top outlet drain of spray column after stove 5 into air.
The present invention is described in detail above in association with embodiment and exemplary example, but these explanations are simultaneously
It is not considered as limiting the invention.It will be appreciated by those skilled in the art that without departing from the spirit and scope of the invention,
A variety of equivalencing, modification or improvement can be carried out to technical solution of the present invention and embodiments thereof, these each fall within the present invention
In the range of.Protection scope of the present invention is determined by the appended claims.
Claims (10)
1. a kind of combustion gas method for reducing gas furnace discharged nitrous oxides, the gas furnace includes combustion system and heating humidification system
System, it is characterised in that methods described includes carrying out the combustion air before entering combustion system by the heating humidification system
Warming and humidifying processing, the combustion air after processing are reacted into combustion system.
2. according to the method for claim 1, it is characterised in that the heating humidification system includes stokehold spray column；
The combustion air enters stokehold spray tower bottom, with the water reverse heat-exchange that gets off from stokehold spray column top spray and adding
It is wet, the air outlet slit outflow through stokehold spray column top, into combustion system；
Preferably, the combustion air is sent into stokehold by air blower and sprays tower bottom.
3. according to the method for claim 2, it is characterised in that filler, filler fixed bit are provided with the stokehold spray column
Putting can combine in stokehold spray column internal upper part, middle part, bottom or optional position；And/or
The temperature of shower water is 30 DEG C~70 DEG C, preferably 40 DEG C~60 DEG C in the spray column of stokehold；And/or
The temperature of combustion air is 30 DEG C~70 DEG C, preferably 40 DEG C~60 DEG C after warming and humidifying；Humidity be steam-laden or
Hypersaturated state.
4. the method according to one of claims 1 to 3, it is characterised in that the combustion system includes burner and combustion gas
Furnace body, combustion gas mixes with being sent into the combustion air of burner, and is burnt in combustion gas furnace body internal combustion；And/or
Exhaust steam valve and draining valve are provided with the combustion gas furnace body.
5. the method according to one of Claims 1-4, it is characterised in that methods described also includes leading to flue gas after burning
Residual neat recovering system is crossed, flue gas is cooled and washed.
6. according to the method for claim 5, it is characterised in that residual neat recovering system includes heat exchanger and is connected with heat exchanger
Stove after spray column, flue gas by after heat exchanger enter stove after spray column bottom, with after stove spray column top spray get off
Water carry out countercurrent flow and dehumidification after discharged after stove at the top of spray column.
7. according to the method for claim 6, it is characterised in that heat exchanger tube is that light pipe or pipe outer wall combine in the heat exchanger
The finned tube of fin structure, preferably spiral fin coil；And/or
Exchanger base is provided with discharge pipe line, and caused condensate discharge, is preferably discharged into spray column bottom after stove after flue gas is cooled down
Portion.
8. the method according to claim 6 or 7, it is characterised in that be provided with filler after the stove in spray column, filler is fixed
Position can spray column internal upper part, middle part or bottom or optional position combination after stove；And/or
The temperature of shower water is 30 DEG C~50 DEG C in spray column after the stove.
9. the method according to one of claim 6 to 8, it is characterised in that sprayed after the stokehold spray tower bottom and stove
Tower bottom is provided with water tank, and determines setting overflow valve at height in water tank, it is preferable that at the water tank inner surface anti-corrosion
Reason.
10. the method according to one of claim 6 to 9, it is characterised in that the water tank of stokehold spray tower bottom passes through pipe
Spray thrower after Lu Yulu at the top of spray column is connected to form cold water pipeline, and the spray thrower after stove at the top of spray column passes through pipeline and stove
The water tank of preceding spray tower bottom is connected to form hot water line, sets circulating pump respectively in two pipelines, makes stokehold spray column and stove
The water route of spray column forms closed circulation system afterwards.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610503213 | 2016-06-30 | ||
| CN2016105032135 | 2016-06-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107559875A true CN107559875A (en) | 2018-01-09 |
| CN107559875B CN107559875B (en) | 2019-05-03 |
Family
ID=58028766
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610622773.2A Active CN107559864B (en) | 2016-06-30 | 2016-08-02 | A kind of combustion gas method effectively improving combustion gas furnace thermal efficiency |
| CN201610622774.7A Pending CN107559873A (en) | 2016-06-30 | 2016-08-02 | A kind of ultralow discharged nitrous oxides superelevation thermal efficiency gas furnace system |
| CN201610622775.1A Active CN107559875B (en) | 2016-06-30 | 2016-08-02 | A kind of combustion gas method that gas furnace discharged nitrous oxides are effectively reduced |
| CN201620827953.XU Active CN205979854U (en) | 2016-06-30 | 2016-08-02 | Super low nitrogen oxide discharges super high heat efficiency gas furnace system |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610622773.2A Active CN107559864B (en) | 2016-06-30 | 2016-08-02 | A kind of combustion gas method effectively improving combustion gas furnace thermal efficiency |
| CN201610622774.7A Pending CN107559873A (en) | 2016-06-30 | 2016-08-02 | A kind of ultralow discharged nitrous oxides superelevation thermal efficiency gas furnace system |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620827953.XU Active CN205979854U (en) | 2016-06-30 | 2016-08-02 | Super low nitrogen oxide discharges super high heat efficiency gas furnace system |
Country Status (1)
| Country | Link |
|---|---|
| CN (4) | CN107559864B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115342551A (en) * | 2022-08-23 | 2022-11-15 | 北京建筑大学 | Direct-expansion heat pump type premixing and humidifying flue gas waste heat recovery and nitrogen reduction system |
| CN117006458A (en) * | 2023-09-18 | 2023-11-07 | 承德市生态环境局鹰手营子矿区分局 | Boiler flue gas waste heat recovery utilizes system of thermal power plant |
| CN118009308A (en) * | 2024-04-10 | 2024-05-10 | 山西吉祥锅炉制造有限公司 | Boiler flue gas recirculation device |
| CN118009308B (en) * | 2024-04-10 | 2024-06-21 | 山西吉祥锅炉制造有限公司 | Boiler flue gas recirculation device |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107559864B (en) * | 2016-06-30 | 2019-05-03 | 保定市金能换热设备有限公司 | A kind of combustion gas method effectively improving combustion gas furnace thermal efficiency |
| CN107101220B (en) * | 2017-06-15 | 2023-08-15 | 中国科学院工程热物理研究所 | Method and system for reducing NOx emission of gas boiler |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201164790Y (en) * | 2008-01-22 | 2008-12-17 | 王敏 | Gas-liquid contact non-phase-change intermediate medium heat exchange wet-type desulfurizer |
| CN202109656U (en) * | 2011-04-06 | 2012-01-11 | 刘长征 | Natural gas and smoke condensation type waste heat utilization device |
| CN202119104U (en) * | 2011-06-22 | 2012-01-18 | 朱杰 | Solid heat-storage spraying heat-exchange water heater group with air preheating function |
| CN203223958U (en) * | 2013-04-29 | 2013-10-02 | 韩毅 | Energy-saving purification device of cooking range for Chinese restaurants |
| CN104864402A (en) * | 2015-06-01 | 2015-08-26 | 江苏金源腾峰换热设备有限公司 | Waste heat recycling air preheating bypass coal saving system and application thereof |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2557684A1 (en) * | 1983-12-28 | 1985-07-05 | Seccacier | Boiler for heating and/or for supplying hot water |
| US20030134241A1 (en) * | 2002-01-14 | 2003-07-17 | Ovidiu Marin | Process and apparatus of combustion for reduction of nitrogen oxide emissions |
| FR3014540B1 (en) * | 2013-12-10 | 2015-12-11 | Brunel Bureau Et | SOLID FUEL BOILER AND CONDENSATION |
| CN104174274B (en) * | 2014-08-13 | 2016-02-10 | 北京源深节能技术有限责任公司 | For the spray packed tower of flue gas waste heat recovery |
| CN105157052B (en) * | 2015-09-28 | 2017-10-31 | 清华大学 | A kind of efficient flue gas waste heat recovery apparatus of low nitrogen |
| CN205316673U (en) * | 2016-01-26 | 2016-06-15 | 南京轩能电力科技有限公司 | Flue gas degree of depth waste heat recovery system of direct contact formula and wall type combination within a definite time |
| CN107559864B (en) * | 2016-06-30 | 2019-05-03 | 保定市金能换热设备有限公司 | A kind of combustion gas method effectively improving combustion gas furnace thermal efficiency |
-
2016
- 2016-08-02 CN CN201610622773.2A patent/CN107559864B/en active Active
- 2016-08-02 CN CN201610622774.7A patent/CN107559873A/en active Pending
- 2016-08-02 CN CN201610622775.1A patent/CN107559875B/en active Active
- 2016-08-02 CN CN201620827953.XU patent/CN205979854U/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201164790Y (en) * | 2008-01-22 | 2008-12-17 | 王敏 | Gas-liquid contact non-phase-change intermediate medium heat exchange wet-type desulfurizer |
| CN202109656U (en) * | 2011-04-06 | 2012-01-11 | 刘长征 | Natural gas and smoke condensation type waste heat utilization device |
| CN202119104U (en) * | 2011-06-22 | 2012-01-18 | 朱杰 | Solid heat-storage spraying heat-exchange water heater group with air preheating function |
| CN203223958U (en) * | 2013-04-29 | 2013-10-02 | 韩毅 | Energy-saving purification device of cooking range for Chinese restaurants |
| CN104864402A (en) * | 2015-06-01 | 2015-08-26 | 江苏金源腾峰换热设备有限公司 | Waste heat recycling air preheating bypass coal saving system and application thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115342551A (en) * | 2022-08-23 | 2022-11-15 | 北京建筑大学 | Direct-expansion heat pump type premixing and humidifying flue gas waste heat recovery and nitrogen reduction system |
| CN117006458A (en) * | 2023-09-18 | 2023-11-07 | 承德市生态环境局鹰手营子矿区分局 | Boiler flue gas waste heat recovery utilizes system of thermal power plant |
| CN117006458B (en) * | 2023-09-18 | 2024-05-14 | 辽阳县宏达热电有限公司 | Boiler flue gas waste heat recovery utilizes system of thermal power plant |
| CN118009308A (en) * | 2024-04-10 | 2024-05-10 | 山西吉祥锅炉制造有限公司 | Boiler flue gas recirculation device |
| CN118009308B (en) * | 2024-04-10 | 2024-06-21 | 山西吉祥锅炉制造有限公司 | Boiler flue gas recirculation device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107559873A (en) | 2018-01-09 |
| CN205979854U (en) | 2017-02-22 |
| CN107559864A (en) | 2018-01-09 |
| CN107559864B (en) | 2019-05-03 |
| CN107559875B (en) | 2019-05-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104100994B (en) | A kind of based on flue gas waste heat recovery and the boiler energy-saving emission-reduction system of thermal technology again | |
| CN107559875B (en) | A kind of combustion gas method that gas furnace discharged nitrous oxides are effectively reduced | |
| CN207667424U (en) | A kind of flue gas of cooling and dehumidifying disappears white system | |
| CN202092207U (en) | Central heating system recovering waste heat of smoke through absorbing type heat pump | |
| CN106482141A (en) | A kind of Multifunctional smoke waste-heat recovery device | |
| CN107930309A (en) | A kind of wet plume eliminates system | |
| CN208170425U (en) | It is that flue gas takes off and white provides the structure of cold source and Mist heat recovering using heat pump techniques | |
| TWM558661U (en) | Smoke gas white-elimination system for wet desulphurization | |
| CN106918050A (en) | A kind of residual heat from boiler fume depth retracting device | |
| CN204100225U (en) | Coal steam-electric plant smoke bootstrap system | |
| CN108731012B (en) | Device and method for eliminating wet smoke plume of coal-fired power plant | |
| CN108469033A (en) | A kind of dehumidifying decontamination heating of flue gas condensing disappears white heat exchanger | |
| CN207648835U (en) | A kind of boiler exhaust gas waste heat recovery heat supply three towers unification heat transfer spray tower | |
| CN208229598U (en) | A kind of wet desulphurization takes off white and residual neat recovering system with flue gas | |
| CN110075698A (en) | The flue gas advanced purification system and its method that energy-saving plume is eliminated | |
| CN109939557A (en) | The system and method for coloured plume are eliminated in collaboration | |
| CN109718655A (en) | A kind of flue gas of cooling and dehumidifying disappears white system and method | |
| CN207214097U (en) | A kind of coal-burning boiler based on smoke evacuation vapor internal-circulation type condensing units | |
| CN208382203U (en) | A kind of dehumidifying decontamination heating of flue gas condensing disappears white heat exchanger structure | |
| CN208365564U (en) | A kind of boiler smoke energy conservation disappears white device | |
| CN109925870A (en) | A kind of low-temperature flue gas of wet desulphurization disappears white system | |
| CN206563285U (en) | Direct Air-cooled Unit flue gas reheat system based on absorption heat pump | |
| CN208794436U (en) | A kind of boiler exhaust gas disappears white with air inlet pre-heating system | |
| CN211060156U (en) | High-efficiency energy-saving smoke condensing and reheating white smoke eliminating system | |
| CN106918031A (en) | A kind of parallel flow boiler system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhao Zhennan Inventor after: Chen Jianming Inventor after: Huang Dongliang Inventor after: Su Xintian Inventor after: Zhang Ziyu Inventor after: Hu Weidong Inventor after: Wang Wei Inventor before: Zhao Zhennan Inventor before: Chen Jianming Inventor before: Huang Dongliang Inventor before: Zhang Ziyu Inventor before: Hu Weidong Inventor before: Wang Wei |
|
| CB03 | Change of inventor or designer information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |