CN105327602B - Float glass smelting kiln fume waste heat utilizes and denitration purifying processing device - Google Patents
Float glass smelting kiln fume waste heat utilizes and denitration purifying processing device Download PDFInfo
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- CN105327602B CN105327602B CN201510630522.4A CN201510630522A CN105327602B CN 105327602 B CN105327602 B CN 105327602B CN 201510630522 A CN201510630522 A CN 201510630522A CN 105327602 B CN105327602 B CN 105327602B
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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
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The present invention relates to a kind of utilization of float glass smelting kiln fume waste heat and denitration purifying processing device, including waste heat boiler, connect the desulfurizing tower of waste heat boiler and connect the deduster of desulfurizing tower, waste heat boiler is internally provided with Internal baffle and waste heat boiler is separated into a hot arc and two hot arcs, one hot arc import connects flue gas of glass melting furnace outlet, the outlet of one hot arc is connected with Benitration reactor, and the outlet of Benitration reactor connects two hot arc imports；The bottom inlet of the outlet connection desulfurizing tower of waste heat boiler, the top exit connection desulfurizing dust-collector of desulfurizing tower, desulfurizing dust-collector connect chimney by wind turbine.Waste heat boiler is separated into a hot arc and two hot arcs by Internal baffle, can connect or cut off between a hot arc and two hot arcs, and heat exchange is carried out in waste heat boiler according to the different temperatures of flue gas, completes Waste Heat Reuse；The temperature of the flue gas of Benitration reactor can be lowered into by waste heat boiler, prevents that the flue-gas temperature into Benitration reactor is excessive, influences denitration efficiency.
Description
Technical field
The present invention relates to a kind of float glass smelting kiln flue gas processing device, especially a kind of float glass smelting kiln fume waste heat
Using and denitration purifying processing device.
Background technology
The more universal desulfurization technology of the sector applications such as current power, chemical industry is wet method（Lime-gypsum method）, this method deposits
In obvious advantage and disadvantage：A, desulfuration efficiency is high（Desulfurization degree is up to 95%）, but system is also easy to produce phenomena such as burn into blocks, operation behaviour
Make complex, maintenance workload is larger.B, whole system material is in pulpous state, and slurrying and spray system, demister are easily tied
Dirt, block, and complex process, system administration, maintenance cost are higher.C, system complex, floor space is larger, disposable investment
It is relatively large.D, desulfurizing byproduct can comprehensively utilize, but gypsum qualitt is relatively low, it is comprehensively utilized without advantage.E, two are brought
Secondary pollution, later stage waste water treatment process is complicated, increase investment, operation cost.F, wet processing is to SO3Removal efficiency it is low, desulfurization
Flue and chimney afterwards must carry out preservative treatment.G, only 50 DEG C or so of wet method device outlet temperature, the wet flue gas of discharge is low
White cigarette, poor visual effect are easily produced under temperature state., need to be by flue gas to more than 100 DEG C if " white cigarette " is completely eliminated.
Smoke re-heater is set（GGH）Also the flue gas near chimney breast can only be made not produce condensation, make " white cigarette " in place farther out
Formed.But the condensation water of the wet flue gas of smoke stack emission may form " chimney rain " in chimney surrounding area, influence some areas
Environmental quality.H, the start and stop of lime stone-gypsum wet sulfur removal technology more trouble, it is necessary to time it is longer, can not rapidly adapt to
Kiln load variations situation, and must be safeguarded when system is without putting into operation.I, the removing problem of heavy metal.Wet method takes off
Sulphur only has the removal efficiency of heavy metal 10%~30%, and the heavy metal of removing enters in waste water, also needs to carry out heavy metal in waste water
Processing, and the heavy metal not removed is discharged with flue gas.
Country's float glass industry has used the pluralities of fuels such as heavy oil, natural gas, petroleum coke, coal gas, biogas at present,
The flue gas characteristic of different fuel generation makes a big difference.Different glass enterprises supplies difference, local policy from region fuel
Factor and the cost consideration of enterprise are set out, and the fuel type of use is different, pluralities of fuel is taken at the same time for the glass melter that even has
With use, cause the flue gas characteristic variation of glass melter, therefore, ground always for the processing country for having a kind of flue gas
Study carefully, handled first, rationally being utilized by kiln waste heat gas and obtaining waste gas purification at the same time, but fail to find out suitable processing work
Skill, realizes the qualified discharge of pollutant.By to smoke components such as SO2、NOx, flue dust detection and analysis, find its architectural characteristic
Extremely complex, wherein flue dust has very strong moisture absorption and acidity, hence it is evident that improves the acid dew-point temperature of flue gas, is set for processing
Standby seriously corroded, causes general dust removal process technique not handled directly.
The content of the invention
The object of the present invention is to provide a kind of utilization of float glass smelting kiln fume waste heat and denitration purifying processing device, utilize
Waste heat boiler segmentation realizes that waste heat height distributes, and ensures denitration efficiency.
A kind of float glass smelting kiln fume waste heat of present invention offer utilizes and denitration purifying processing device, in Benitration reactor
Soot blower system is set, prevents the problem of catalyst adhesion causes catalyst module to block, flue gas easily condenses.
The present invention provides a kind of float glass smelting kiln fume waste heat utilization and denitration purifying processing device, is taken off using semidry method
Sulphur, innovates the structure of desulfurizing tower, using Venturi tube principle, strengthens the heat transfer between gas-solid and mass transfer, realizes desulfurization temperature and tail
The control of gas exhaust temperature, the control of bed pressure drop.
The present invention provides a kind of float glass smelting kiln fume waste heat and utilizes and denitration purifying processing device, by deduster into
After row gas solid separation, the fine ash and reaction mixture of collection return to desulfurizing tower and further react, and improve the utilization of desulfurization absorbent
Rate.
The technical solution adopted by the present invention to solve the technical problems is：A kind of float glass smelting kiln fume waste heat utilize and
Denitration purifying processing device, including the desulfurizing tower of waste heat boiler, connection waste heat boiler and the deduster for connecting desulfurizing tower, waste heat pot
Furnace interior is provided with Internal baffle and waste heat boiler is separated into a hot arc and two hot arcs, hot arc import connection flue gas of glass melting furnace row
Outlet, hot arc outlet are connected with Benitration reactor, and the outlet of Benitration reactor connects two hot arc imports；The outlet of waste heat boiler
The bottom inlet of desulfurizing tower, the top exit connection desulfurizing dust-collector of desulfurizing tower are connected, desulfurizing dust-collector connects cigarette by wind turbine
Chimney.Waste heat boiler is separated into a hot arc and two hot arcs by Internal baffle, can connect or cut off between a hot arc and two hot arcs, according to
The different temperatures of flue gas carries out heat exchange in waste heat boiler, completes Waste Heat Reuse；It can be lowered into by waste heat boiler de-
The temperature of the flue gas of nitre reactor, prevents that the flue-gas temperature into Benitration reactor is excessive, influences denitration efficiency；Internal baffle root
According to the temperature regime of former flue gas, the exhaust gas volumn distribution between a hot arc and two hot arcs in waste heat boiler is controlled, ensures denitration reaction
Temperature, so as to fulfill NOx qualified discharges.
Preferably, the import of Benitration reactor is also connected with flue gas of glass melting furnace outlet, the outlet of Benitration reactor
Import also with a hot arc is connected.The flue-gas temperature of glass melter discharge is relatively low, requires no a hot arc but is directly entered de-
Shown in nitre reactor, the flue-gas temperature after Benitration reactor reaction is also higher, and waste heat has utility value, then can be with
It is re-introduced into a hot arc and carries out Waste Heat Reuse.
Preferably, the air flue of hot arc connection flue gas of glass melting furnace outlet is provided with valve one, Benitration reactor connects
The air flue for connecing flue gas of glass melting furnace outlet is provided with valve two, and the air flue of hot arc outlet connection Benitration reactor is provided with valve
Valve four and valve five are respectively arranged with the air flue of door three, Benitration reactor outlet one hot arc of connection and two hot arcs；All
Valve has controller control, and controller is connected with temperature sensor, and temperature sensor is arranged at flue gas of glass melting furnace outlet
Place.Controller controls opening and closing or the aperture size of each valve, thus control flue gas stay to.
Preferably, being shrink mouth shape between one hot arc of waste heat boiler and two hot arcs, Internal baffle is arranged at the position of necking；Institute
The Internal baffle stated uses heat safe flap valve or gate valve.Shrink mouth shape changes between one hot arc of waste heat boiler and two hot arcs
Flue gas circulation situation, with reference to Internal baffle so as to controlling Waste Heat Reuse of the waste heat boiler in a hot arc and two hot arcs so that
The temperature for the flue gas that must enter in Benitration reactor is controlled.
Preferably, the upper end of Benitration reactor, which is provided with, bends downward air inlet pipe, import is in the lower end of air inlet pipe
Portion, the lower end of Benitration reactor are provided with the air outlet pipe of horizontal curvature, outer end of the outlet in air outlet pipe；Benitration reactor is vertical
Flue is internally provided with some ammonia-spraying grids, and vertical flue is separated into independent spray ammonia cell, ammonia-spraying grid by ammonia-spraying grid
Connection spray ammonia device.Each cell is distributed several nozzles, ensure ammonia distributed rendering uniformity and ammonia density distribution it is adjustable
Property.
Preferably, each spray ammonia cell is both provided with catalyst module, each catalysis in the straight flue of Benitration reactor
Agent module top is provided with blowing pipe.Blowing pipe is respectively provided with each catalyst module, with reference to pipe network soot blowing technology or rake
Soot blowing technology or artificial soot blowing technology, effectively solve the problem that catalyst module easily blocks, flue dust easily condenses, and Enhanced SC R takes off
The stability of nitre reaction.Catalyst module mounting platform installs 2~3 layers, with the lengthening of run time, catalysis by 4 layers of design
Agent activity declines, and when denitration rate and the escaping of ammonia rate cannot be met the requirements, can increase spare catalyst layer or more renew catalysis
Oxidant layer.
Preferably, it is both provided with deflector and expansion joint in the air inlet pipe and air outlet pipe of Benitration reactor.
Preferably, the import of desulfurizing tower is arranged at the lower part of desulfurizing tower, the import of desulfurizing tower uses Venturi tube, desulfurization
The outlet of tower is arranged at the top of desulfurizing tower, and deduster is docked downwards in the outlet of desulfurizing tower along the side wall of desulfurizing tower.Into de-
Absorbent and Desulphurization are entrained with the flue gas of sulphur tower, by the import of desulfurizing tower lower part venturi tube structure, due to venturi
Effect, is subject to the acceleration of air-flow and suspends, and forms the turbulence state of fierceness, makes have very big phase between particle and flue gas
To slip velocity, particle reaction section constantly rubs, collides renewal, so as to greatly enhance the heat transfer between gas-solid, mass transfer, together
When reach optimal reaction temperature.Water spray cooling system can be increased in desulfurizing tower, flue-gas temperature is cooled to 75 DEG C or so.
Preferably, desulfurizing dust-collector is at the top of desulfurizing tower also with dock muffler, fine ash that desulfurizing dust-collector is collected and instead
Answering mixture cooled via return air pipe, sulphur tower forms backpulsing absorbent covering structure back off.Backpulsing absorbent covering structure will can be received
The fine ash and reaction mixture collected returns to desulfurizing tower, reduces the consumption of absorbent.
Preferably, flue gas of glass melting furnace outlet is also direct-connected with chimney, valve six is provided with direct-connected air flue.
The beneficial effects of the invention are as follows：Waste heat boiler is separated into a hot arc and two hot arcs, a hot arc and two heat by Internal baffle
It can connect or cut off between section, heat exchange is carried out in waste heat boiler according to the different temperatures of flue gas, completes Waste Heat Reuse；It is logical
The temperature of flue gas of Benitration reactor can be lowered into by crossing waste heat boiler, prevent from entering the flue-gas temperature mistake in Benitration reactor
Height, influences denitration efficiency.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of the present invention；
Fig. 2 is a kind of side view of waste heat boiler of the present invention；
In figure：1st, glass melter, 2, air inlet pipe, 3, Benitration reactor, 4, straight flue, 5, chimney, 6, wind turbine, 7, desulfurization removes
Dirt device, 8, desulfurizing tower, 9, Venturi tube, 10, waste heat boiler, 11, one hot arc, 12, two hot arcs, 13, air outlet pipe, 14, Internal baffle.
Embodiment
Below by specific embodiment, and with reference to attached drawing, the technical solutions of the present invention will be further described.
Embodiment：A kind of float glass smelting kiln fume waste heat utilizes and denitration purifying processing device（Referring to Fig. 1）, including it is remaining
Heat boiler 10, the desulfurizing tower 8 for connecting waste heat boiler and the desulfurizing dust-collector 7 for connecting desulfurizing tower, waste heat boiler are internally provided with interior
Waste heat boiler is separated into a hot arc 11 and two hot arcs 12 by baffle 14, hot arc import connection 1 flue gas discharge opening of glass melter, and one
Hot arc outlet is connected with Benitration reactor 3, and the outlet of Benitration reactor connects two hot arc imports；The outlet connection of waste heat boiler is de-
The bottom inlet of sulphur tower, the top exit connection desulfurizing dust-collector of desulfurizing tower, desulfurizing dust-collector connect chimney 5 by wind turbine 6.
The import of Benitration reactor is also connected with flue gas of glass melting furnace outlet, the outlet of Benitration reactor also with a hot arc
Import be connected.Flue gas of glass melting furnace outlet is also direct-connected with chimney.One hot arc connects the air flue of flue gas of glass melting furnace outlet
Valve one is provided with, the air flue of Benitration reactor connection flue gas of glass melting furnace outlet is provided with valve two, and hot arc outlet connects
The air flue for connecing Benitration reactor is provided with valve three, and Benitration reactor outlet connects to be set respectively on the air flue of a hot arc and two hot arcs
Valve four and valve five are equipped with, valve six is set on the air flue of the direct-connected flue gas of glass melting furnace outlet of chimney.All valves are equal
There is controller control, controller is connected with temperature sensor, and temperature sensor is arranged at flue gas of glass melting furnace outlet.
Waste heat boiler（Participate in Fig. 2）It is shrink mouth shape between one hot arc and two hot arcs, Internal baffle is arranged at the position of necking, institute
The Internal baffle stated uses heat safe flap valve or gate valve, such as：Valve body selects 15CrMoV materials, and drive shaft is selected
40Cr materials.
The upper end of Benitration reactor, which is provided with, bends downward air inlet pipe 2, and import is in the bottom of air inlet pipe, and denitration is anti-
The lower end of device is answered to be provided with the air outlet pipe 13 of horizontal curvature, outer end of the outlet in air outlet pipe；The vertical flue 4 of Benitration reactor
Some ammonia-spraying grids are internally provided with, vertical flue is separated into independent spray ammonia cell, ammonia-spraying grid connection spray by ammonia-spraying grid
Ammonia device.Each spray ammonia cell is both provided with catalyst module in the straight flue of Benitration reactor, and each catalyst module top is set
It is equipped with blowing pipe.Deflector and expansion joint are both provided with the air inlet pipe and air outlet pipe of Benitration reactor.
The import of desulfurizing tower is arranged at the lower part of desulfurizing tower, and the import of desulfurizing tower uses Venturi tube 9, the outlet of desulfurizing tower
The top of desulfurizing tower is arranged at, desulfurizing dust-collector is docked downwards in the outlet of desulfurizing tower along the side wall of desulfurizing tower.Desulfurizing dust-collector
Also with docking muffler at the top of desulfurizing tower, sulphur tower is formed back off for fine ash and reaction mixture cooled via return air pipe that desulfurizing dust-collector is collected
Backpulsing absorbent covers structure.
When flue-gas temperature is sufficiently high（More than 420 DEG C）, Internal baffle closing, closes valve two, valve four and valve six, beats
Valve opening door one, valve three and valve five, the flue gas come out from flue gas of glass melting furnace outlet are directly entered one hot arc of waste heat boiler,
(temperature reaches less than 420 DEG C) enters Benitration reactor after hot arc cooling, two hot arcs is returned, finally by waste heat boiler
The low-temperature outlet of two hot arcs enters desulfurizing tower and desulfurizing dust-collector.When flue-gas temperature is low (less than 350 DEG C), denitration is anti-in order to control
Answer temperature（310 DEG C~380 DEG C）, ensure denitration efficiency, close valve one, valve three, valve five and valve six, open valve two
With valve four, flue gas is directly entered Benitration reactor, and one hot arc of waste heat boiler is entered back into after denitration（UTILIZATION OF VESIDUAL HEAT IN）, through Internal baffle
Enter desulfurizing tower and desulfurizing dust-collector into two hot arcs, then by low-temperature outlet.As flue-gas temperature is moderate（350~400 DEG C）, then portion
Flue gas is divided to enter Benitration reactor after waste heat boiler, partial fume is directly entered Benitration reactor.
Be respectively provided with blowing pipe on each catalyst module, with reference to pipe network soot blowing technology either rake soot blowing technology or manually
Soot blowing technology, pipe network soot blowing are empty using purification compression as a purging unit, blowing medium using one or half of catalyst module
Gas, the uniform arrangement purging pipe network above catalyst module.Soot blower system is controlled by PLC, and whole system is made using interval
After industry mode, i.e. one region of system purge（Such as 5S）, pause a period of time（Such as 3S）, to ensure that it is enough that buffering air accumulator has
Supply gas pressure.Carrying out practically and time out can by relay switch start, by being monitored to buffering reservoir pressure,
When pressure is less than a certain numerical value（Such as 0.3MPa）When, system halt operation, relay is normally closed relay.It is empty by adjusting compression
The purging effect under different situations is compared in the parameter such as atmospheric pressure, coutroi velocity, flow, observation, determines that pressure during purging should not
Less than 0.55Mpa.
The blowing medium of rake soot blowing technology is changed to compressed air, and supporting F types blowing nozzle, and air-flow is added by nozzle
Speed, increase purging intensity, lifts soot blowing effect.Its operation of improved rake soot blower and control are filled with conventional rake soot blowing
Put consistent.
The flue gas of glass melter discharge enters desulfurizing tower after UTILIZATION OF VESIDUAL HEAT IN, denitration, through desulfurization tower bottom Venturi tube
Calcium hydroxide, circulating ash and water after acceleration with addition react, and remove the SO in flue gas2、SO3, HCl, HF, heavy metal etc..Take
Flue gas with a large amount of absorbents and reaction product is travelled downwardly into desulfurizing dust-collector from desulfurizing tower top side, after gas solid separation
Dust content is no more than 30mg/Nm3.The flue gas for carrying a large amount of absorbents and reaction product is travelled downwardly from desulfurizing tower top side
Enter desulfurizing dust-collector, carry out gas solid separation, the dust content after gas solid separation is no more than 30mg/Nm3.Absorbed to reduce
The consumption of agent, the fine ash being largely collected into and reaction mixture cooled via return air pipe return to desulfurizing tower and further react.
Embodiment described above is a kind of preferred version of the present invention, not makees limit in any form to the present invention
System, also has other variations and remodeling on the premise of without departing from the technical solution described in claim.
Claims (8)
1. a kind of float glass smelting kiln fume waste heat utilizes and denitration purifying processing device, including waste heat boiler, connection waste heat pot
The desulfurizing tower of stove and the deduster for connecting desulfurizing tower, it is characterised in that waste heat boiler is internally provided with Internal baffle by waste heat boiler point
A hot arc and two hot arcs are divided into, hot arc import connection flue gas of glass melting furnace outlet, hot arc outlet is connected with denitration reaction
Device, the outlet of Benitration reactor connect two hot arc imports；The bottom inlet of the outlet connection desulfurizing tower of waste heat boiler, desulfurizing tower
Top exit connects desulfurizing dust-collector, and desulfurizing dust-collector connects chimney by wind turbine；The import of Benitration reactor is also melted with glass
Kiln flue gas discharge opening is connected, and the import exported also with a hot arc of Benitration reactor is connected；One hot arc connects flue gas of glass melting furnace
The air flue of outlet is provided with valve one, and the air flue of Benitration reactor connection flue gas of glass melting furnace outlet is provided with valve two,
The air flue of one hot arc outlet connection Benitration reactor is provided with valve three, Benitration reactor outlet one hot arc of connection and two hot arcs
Valve four and valve five are respectively arranged with air flue；All valves have controller control, and controller is connected with temperature sensing
Device, temperature sensor are arranged at flue gas of glass melting furnace outlet.
2. float glass smelting kiln fume waste heat according to claim 1 utilizes and denitration purifying processing device, its feature exist
It is shrink mouth shape between one hot arc of waste heat boiler and two hot arcs, Internal baffle is arranged at the position of necking；The Internal baffle uses
Heat safe flap valve or gate valve.
3. float glass smelting kiln fume waste heat according to claim 1 utilizes and denitration purifying processing device, its feature exist
It is provided with the upper end of Benitration reactor and bends downward air inlet pipe, import is in the bottom of air inlet pipe, Benitration reactor
Lower end is provided with the air outlet pipe of horizontal curvature, outer end of the outlet in air outlet pipe；The inside of the vertical flue of Benitration reactor is set
There are some ammonia-spraying grids, vertical flue is separated into independent spray ammonia cell, ammonia-spraying grid connection spray ammonia device by ammonia-spraying grid.
4. float glass smelting kiln fume waste heat according to claim 3 utilizes and denitration purifying processing device, its feature exist
Catalyst module is both provided with each spray ammonia cell in the straight flue of Benitration reactor, each catalyst module top is provided with
Blowing pipe.
5. the float glass smelting kiln fume waste heat according to claim 3 or 4 utilizes and denitration purifying processing device, its feature
It is to be both provided with deflector and expansion joint in the air inlet pipe and air outlet pipe of Benitration reactor.
6. float glass smelting kiln fume waste heat according to claim 1 utilizes and denitration purifying processing device, its feature exist
The lower part of desulfurizing tower is arranged in the import of desulfurizing tower, the import of desulfurizing tower uses Venturi tube, and the outlet of desulfurizing tower is arranged at
Desulfurizing dust-collector is docked downwards in the top of desulfurizing tower, the outlet of desulfurizing tower along the side wall of desulfurizing tower.
7. float glass smelting kiln fume waste heat according to claim 6 utilizes and denitration purifying processing device, its feature exist
In desulfurizing dust-collector also with docking muffler at the top of desulfurizing tower, fine ash and reaction mixture cooled via return air pipe that desulfurizing dust-collector is collected
Sulphur tower forms backpulsing absorbent covering structure back off.
8. the float glass smelting kiln fume waste heat according to claim 1 or 2 or 3 or 6 or 7 utilizes and denitration purified treatment dress
Put, it is characterised in that flue gas of glass melting furnace outlet is also direct-connected with chimney, and valve six is provided with direct-connected air flue.
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| CN201510630522.4A CN105327602B (en) | 2015-09-29 | 2015-09-29 | Float glass smelting kiln fume waste heat utilizes and denitration purifying processing device |
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| CN107096378A (en) * | 2017-04-27 | 2017-08-29 | 湖南锐取环保科技有限公司 | The flue gas desulphurization system and sulfur method of a kind of floatation glass production line |
| CN107703875A (en) * | 2017-11-03 | 2018-02-16 | 四川省达州钢铁集团有限责任公司 | One kind eliminates white cigarette control system and method |
| CN108421383B (en) * | 2018-04-03 | 2023-11-07 | 中国联合工程有限公司 | Steel pickling waste gas defluorination and denitration device and operation method thereof |
| CN109289519A (en) * | 2018-10-29 | 2019-02-01 | 海南中航特玻材料有限公司 | A kind of denitrating flue gas purification process |
| CN113546512A (en) * | 2020-04-24 | 2021-10-26 | 山东大明消毒科技有限公司 | Glass kiln denitration treatment device and denitration treatment process |
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| CN100434146C (en) * | 2006-04-11 | 2008-11-19 | 中国科学院过程工程研究所 | Dried type outside and inside dual circulation fluidized bed desulfurizing device and desulfurizing method thereof |
| CN201754034U (en) * | 2010-09-30 | 2011-03-02 | 天壕节能科技股份有限公司 | Comprehensive treatment system for glass furnace flue gas |
| CN103768903B (en) * | 2012-10-23 | 2016-03-30 | 中国石油化工股份有限公司 | A kind of FCC apparatus regenerated flue gas denitrating technique |
| CN103007743A (en) * | 2012-12-13 | 2013-04-03 | 成都东方凯特瑞环保催化剂有限责任公司 | SCR (Selective Catalytic Reduction) denitrification device for flue gas of glass kiln |
| CN205007834U (en) * | 2015-09-29 | 2016-02-03 | 长兴旗滨玻璃有限公司 | Float glass melting furnace flue gas waste heat utilization and denitration purification unit |
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