CN206519038U - The system of denitration of glass furnace fume - Google Patents

The system of denitration of glass furnace fume Download PDF

Info

Publication number
CN206519038U
CN206519038U CN201621441525.XU CN201621441525U CN206519038U CN 206519038 U CN206519038 U CN 206519038U CN 201621441525 U CN201621441525 U CN 201621441525U CN 206519038 U CN206519038 U CN 206519038U
Authority
CN
China
Prior art keywords
denitration
glass furnace
gas
denitrification
flue gas
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.)
Active
Application number
CN201621441525.XU
Other languages
Chinese (zh)
Inventor
吴道洪
王宁
郭科宏
宋敏洁
钟贵全
王志军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenwu Technology Group Corp Co Ltd
Original Assignee
Shenwu Technology Group Corp Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shenwu Technology Group Corp Co Ltd filed Critical Shenwu Technology Group Corp Co Ltd
Priority to CN201621441525.XU priority Critical patent/CN206519038U/en
Application granted granted Critical
Publication of CN206519038U publication Critical patent/CN206519038U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses the system of denitration of glass furnace fume.The system of the denitration of glass furnace fume includes:Regenerative apparatus, denitrification apparatus and four-way reversing valve, the denitrification apparatus are S-type, and the denitrification apparatus has the denitration region of reducing agent spraying zone, vertical decanting zone and the upper lateral for the lower, transverse being sequentially connected.The high-temperature flue gas that glass furnace is produced, is first passed through after the abundant recovery waste heat of regenerative apparatus, recycles denitrification apparatus to carry out denitration process, energy-efficient, environmental protection, and the surface of the denitrating catalyst of denitrification apparatus use is smooth, wear-resisting, and denitrification apparatus is simple in construction, easily operated, denitration efficiency is high.

Description

The system of denitration of glass furnace fume
Technical field
The system that the utility model is related to denitration of glass furnace fume.
Background technology
With developing rapidly for China's economy, the fossil fuel equal energy source such as natural gas, oil and coal obtains more extensive Using so that environmental problem is increasingly serious, therefore causes a series of environmental problems, such as acid rain, depletion of the ozone layer, greenhouse effects Deng so that our living environment is further severe.Energy resource structure of the China based on coal determine China nitrogen oxides and Sulfur oxide emission is constantly in high situation, the discharge of a large amount of pollution gas so that environmental problem is increasingly tight It is high, the production and living of our people are not only had a strong impact on, and be unfavorable for the sustainable development of China's economy.Therefore, environment is asked Topic has obtained national increasing concern.
The NO of mankind's activity dischargeXMore than 90% comes from fuel combustion process.It is various industrial furnaces, Civil energy-saving cooking stove, motor-driven During high temperature combustion of fuel in car and other internal combustion engines, the nitrogen substance oxidation generation NO in fuelX, participate in burning air in N2And O2Also NO can be generatedX.From the point of view of energy resource structure, during the primary energy and power generation energy resource of China are constituted, coal is occupied definitely Leading position.And the coal of China more than 80% directly burns, particularly for power station, Industrial Boiler and civil boiler In.Therefore, in considerably long period, the NO in flue gasXDischarge is to cause China air NOXOne principal element of pollution, how Reduce the NO of fixed source emissionXIt is the important topic that atmospheric environment is administered.
Denitrating flue gas belongs to burning post-processing technology, and the smoke evacuation system of many developed countries all needs to install denitrating flue gas dress Put.Denitration method for flue gas is more, but obtains the only selective catalytic reduction and selectivity of a large amount of commercial Applications at present and non-urge Change reducing process, other method is in experimental study stage or pilot scale stage at present.Thus, flue gas denitrification system has much room for improvement.
Utility model content
The utility model is intended at least solve one of technical problem present in prior art.Therefore, of the present utility model One purpose is to carry out at denitration again after proposing a kind of system of denitration of glass furnace fume, the abundant recovery waste heat of high-temperature flue gas Reason, energy-efficient, environmental protection, and denitration efficiency are high.
According to one side of the present utility model, the utility model provides a kind of system of denitration of glass furnace fume. According to embodiment of the present utility model, the system includes:
Regenerative apparatus, the regenerative apparatus has the gas vent after smoke inlet, preheating and the exhanst gas outlet after cooling, The smoke inlet is connected with the exhaust opening of glass furnace, and the gas vent after the preheating is connected with the nozzle of glass furnace, And the regenerative apparatus is provided with heat storage;
Denitrification apparatus, the denitrification apparatus is S-type, and the denitrification apparatus has the reducing agent for the lower, transverse being sequentially connected The denitration region of spraying zone, vertical decanting zone and upper lateral, wherein, there is the reducing agent spraying zone flue gas after cooling to enter Mouthful, the smoke inlet after the cooling is connected with the exhanst gas outlet after the cooling, and the reducing agent spraying zone is provided with reduction Agent nozzle;The decanting zone is provided with the fin being interspersed;The denitration region has the first gas port, and is provided with denitration catalyst Agent, and a diameter of 3-6mm of the denitrating catalyst;And
Four-way reversing valve, the four-way reversing valve has air intake, fuel gas inlet, the second gas port and exhanst gas outlet, institute State the second gas port and be connected with first gas port of the denitration region.
The high-temperature flue gas produced according to the system of the denitration of glass furnace fume of the utility model embodiment, glass furnace, First pass through after the abundant recovery waste heat of regenerative apparatus, recycle denitrification apparatus to carry out denitration process, energy-efficient, environmental protection, and take off The surface for the denitrating catalyst that nitre device is used is smooth, wear-resisting, and denitrification apparatus is simple in construction, it is easy to operate, and denitration efficiency is high, can Up to more than 90%.
Optionally, the system further comprises:Flue gas blowback part, the flue gas blowback part is arranged on the denitration Area, and positioned between first gas port and the denitrating catalyst.
Optionally, the reductant nozzle is atomizer.
Optionally, the denitrating catalyst is in spherical, strip or honeycomb ceramics shape, it is preferable that be honeycomb ceramics shape.
Optionally, the aperture of the honeycomb ceramics shape denitrating catalyst is 30-35mm.
Optionally, the nozzle of the glass furnace is heat-accumulating type nozzle.
Additional aspect and advantage of the present utility model will be set forth in part in the description, partly by from following description In become obvious, or by it is of the present utility model practice recognize.
Brief description of the drawings
Of the present utility model above-mentioned and/or additional aspect and advantage will from description of the accompanying drawings below to embodiment is combined Become substantially and be readily appreciated that, wherein:
Fig. 1 shows the structural representation of the system of the denitration of glass furnace fume according to the utility model one embodiment Figure;
Fig. 2 is shown handles flue gas according to the system of the utilization denitration of glass furnace fume of the utility model one embodiment Method schematic flow sheet.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning Same or similar element or element with same or like function are represented to same or similar label eventually.Below by ginseng The embodiment for examining accompanying drawing description is exemplary, is only used for explaining the utility model, and it is not intended that to of the present utility model Limitation.
In description of the present utility model, term " longitudinal direction ", " transverse direction ", " on ", " under ", "front", "rear", "left", "right", The orientation or position relationship of the instruction such as " vertical ", " level ", " top ", " bottom " be based on orientation shown in the drawings or position relationship, It is for only for ease of description the utility model rather than requires that the utility model must be with specific azimuth configuration and operation, therefore It is not intended that to limitation of the present utility model.
It should be noted that term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying phase To importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be with Express or implicitly include one or more this feature.Further, in description of the present utility model, unless otherwise Illustrate, " multiple " are meant that two or more.
According to one side of the present utility model, the utility model provides a kind of system of denitration of glass furnace fume. With reference to Fig. 1, according to embodiment of the present utility model, the system to the denitration of glass furnace fume is explained, the system Including:Regenerative apparatus 100, denitrification apparatus 200 and four-way reversing valve 300.Each device is explained one by one below:
Regenerative apparatus 100:According to embodiment of the present utility model, the regenerative apparatus 100 has after smoke inlet, preheating Exhanst gas outlet after gas vent and cooling, wherein, smoke inlet is connected with the exhaust opening of glass furnace, and the gas after preheating goes out Mouth is connected with the nozzle of glass furnace, and the regenerative apparatus is provided with heat storage, and the flue gas that glass furnace is discharged is delivered into storage Thermal, carries out accumulation of heat through heat storage and reclaims heat, the flue gas after being cooled.Thus, regenerative apparatus is first passed through fully to reclaim After waste heat, denitrification apparatus is recycled to carry out denitration process, energy-efficient, environmental protection.
According to embodiment of the present utility model, glass furnace inner flue gas of the stove is mainly residuals such as CO, sulphur after fuel combustion Oxide, nitrogen oxides and a large amount of vapor.In addition, also having the alkaline matter evaporated from glass and a small amount of burning not The carbon fully remained.Dust material in dispensing can be also brought into waste gas with the air-flow in kiln.
According to embodiment of the present utility model, the temperature of the flue gas after cooling is 200 DEG C~400 DEG C.Thus, regenerative apparatus The heat of high-temperature flue gas is fully reclaimed.
According to embodiment of the present utility model, the nozzle of glass furnace is heat-accumulating type nozzle.Thus, accumulation of heat is made full use of to return The heat of receipts, realizes the comprehensive utilization of the energy.
Denitrification apparatus 200:According to embodiment of the present utility model, the denitrification apparatus is S-type, the denitrification apparatus have according to The denitration region 230 of the reducing agent spraying zone 210 of the lower, transverse of secondary connection, vertical decanting zone 220 and upper lateral, wherein, Reducing agent spraying zone 210 has the smoke inlet after cooling, and the smoke inlet after cooling is connected with the exhanst gas outlet after cooling, also Former agent spraying zone is provided with reductant nozzle 211, sprays into reducing agent using reductant nozzle 211, obtains the cigarette containing reducing agent Gas;Decanting zone 220 is provided with the fin 221 being interspersed, and the flue gas containing reducing agent, which enters decanting zone 220, to be carried out at mixing Reason, obtains mixed flue gas, and flue gas is mixed evenly with reduction agent composition in the presence of fin, and in the stream of decanting zone flue gas Speed slows down, and the dust settling in flue gas gets off, and makes the content of dust in mixed flue gas and significantly reduces;Denitration region 230 has first Gas port, and denitrating catalyst, and a diameter of 3-6mm of the denitrating catalyst are provided with, mixed flue gas enters denitration region 230, warp Denitrating catalyst carries out reduction denitration process, obtains removing the flue gas of nitrogen oxides.According to embodiment of the present utility model, flue gas Middle removal of nitrogen oxide efficiency is up to more than 98%.
, wherein it is desired to which explanation, the diameter of denitrating catalyst refers to the minimum circle for covering denitrating catalyst cross section Radius.
According to embodiment of the present utility model, the shape of denitrating catalyst can be selected according to needs of production, According to some embodiments of the present utility model, denitrating catalyst can be in spherical, strip or honeycomb ceramics shape.If catalyst is ball Shape, catalyst diameter can be 3~6mm;If catalyst is strip or cylindrical shape, diameter can be 3~6mm, and length can Think 10~60mm;If catalyst is cellular, cross section can be cuboid, square etc., and size typically can be 150mm × 100mm × 100mm, 250mm × 200mm × 100mm etc..
According to preferred embodiment of the present utility model, the preferred honeycomb ceramics shape of denitrating catalyst, because honeycomb ceramics shape is urged The catalyst that the specific surface area of agent compares other shapes is big, and the contact surface of catalyst and reaction medium is bigger, catalytic reaction effect Rate is higher.When catalyst is honeycomb ceramics shape, the specific surface area of denitrating catalyst is in 320m2/m3More than, mechanical strength > 2MPa, The catalytic activity of nitrogen oxides reduction may be up to more than 98%.
According to embodiment of the present utility model, the aperture of honeycomb ceramics shape denitrating catalyst is 30-35mm, for example, aperture can Think 30mm × 30mm, 35mm × 35mm etc., profile, size and the aperture of denitrating catalyst can according to specific operating mode, use ring The composite factors such as border are determined after considering.
According to some preferred embodiments of the present utility model, denitrating catalyst is in cellular square, thus, square Space in flue can be made full use of, whole flue cross section is filled with, it is ensured that passes through flue gas energy and the denitration catalyst of denitration region Agent is fully contacted, and on the surface of denitrating catalyst reduction reaction occurs for the nitrogen oxides, reducing agent in flue gas, and nitrogen oxides is gone back It is primary into nitrogen, reach the purpose of denitrating flue gas.
According to embodiment of the present utility model, reductant nozzle 211 is atomizer.Because atomizer uses bubble mist Change technology, using high pressure air as atomizing medium, it is small droplet to make the moment atomization that reducing agent sprays, and droplet particle can Less than 40 μm are reached, can be good at being well mixed with flue gas.
According to embodiment of the present utility model, the system further comprises:Flue gas blowback part 400, the flue gas blowback portion Part 400 is arranged on denitration region 230, and positioned between the first gas port and denitrating catalyst.The flue gas partial of removing nitrogen oxides is returned Return, purging ash disposal processing is regularly carried out to decanting zone, the dust content of flue gas denitrification system can be moderately lowered into, meanwhile, Redox reaction generation nitrogen occurs for the nitrogen oxides in the CO and flue gas that also have in the flue gas, to Catalytic Decomposition of Nitric Oxide Reaction is favourable, and the reactivity of denitrating catalyst can be improved well.
Four-way reversing valve 300:With reference to Fig. 2, according to embodiment of the present utility model, the four-way reversing valve 400 has air Entrance, fuel gas inlet, the second gas port and exhanst gas outlet, second gas port and the first gas port phase with the denitration region Even, the valve direction of four-way reversing valve 300 is converted, air and combustion gas is sequentially entered denitration dress through four-way reversing valve 400 respectively 200 and the progress the pre-heat treatment of regenerative apparatus 100 are put, the air after preheating and the combustion gas after preheating, the sky after preheating is respectively obtained Combustion gas after gas and the preheating is burnt for glass furnace.Thus, air and combustion gas are carried out using regenerative apparatus pre- Heat, reduces the energy consumption of burning, makes efficiency of combustion higher, four-way reversing valve realizes flue gas by periodic transformation's valve direction Accumulation of heat denitration and air and the preheating of combustion gas.
For the ease of understanding the system of foregoing denitration of glass furnace fume, provide a kind of utilization foregoing glass furnace herein The method that the system of kiln gas denitration handles flue gas.With reference to Fig. 2, according to embodiment of the present utility model, to utilizing foregoing glass The method of the system processing flue gas of glass kiln gas denitration is explained, and this method includes:
Heat is reclaimed in S100 accumulation of heats
According to embodiment of the present utility model, the flue gas that glass furnace is discharged is delivered to regenerative apparatus, entered through heat storage Heat, the flue gas after being cooled are reclaimed in row accumulation of heat.Thus, first pass through after the abundant recovery waste heat of regenerative apparatus, recycle denitration Device carries out denitration process, energy-efficient, environmental protection.
According to embodiment of the present utility model, the temperature of the flue gas after cooling is 200 DEG C~400 DEG C.Thus, regenerative apparatus The heat of high-temperature flue gas is fully reclaimed.
S200 denitration process
According to embodiment of the present utility model, the flue gas after cooling is delivered to denitrification apparatus, reducing agent spray is sequentially entered Area is drenched, reducing agent is sprayed into using reductant nozzle, obtains the flue gas containing reducing agent;The flue gas containing reducing agent is set to enter sedimentation Area carries out mixed processing, obtains mixed flue gas, and flue gas is mixed evenly with reduction agent composition in the presence of fin, and heavy The flow velocity of drop area's flue gas slows down, and the dust settling in flue gas gets off, and makes the content of dust in mixed flue gas and significantly reduces;Make mixing Flue gas enters denitration region, and reduction denitration process is carried out through denitrating catalyst, obtains removing the flue gas of nitrogen oxides.According to this practicality New embodiment, nitrogen oxides in effluent removal efficiency is up to more than 98%.
According to embodiment of the present utility model, denitrating catalyst includes:Carrier, active ingredient, auxiliary activity composition, auxiliary agent And additive, wherein, carrier includes titania-alumina composite oxides;Active ingredient includes activated carbon;Auxiliary activity into Part includes vanadic anhydride-tungstic acid composite oxides;Auxiliary agent includes iron and lanthanum;Additive includes enamel.Warded off by addition Porcelain, makes catalyst surface smooth, wear-resisting, with good anti-clogging.Also, using activated carbon as catalyst activity into Part, effectively improve the sulfur resistive and vapour resistant poisoning performance of catalyst.Meanwhile, the more conventional catalyst of catalyst, active wide temperature region.
According to embodiment of the present utility model, carrier, active ingredient auxiliary activity composition, the mass ratio of auxiliary agent and additive For (10-60):(10-50):(5-20):(0.2-20):(1-10).Thus, the surface of the denitrating catalyst is smooth, anti-blocking Energy, wearability and corrosion resistance are significantly improved, and with good anti-SO2With vapour resistant poisoning performance, and denitration effect It is good.
For the ease of understanding above-mentioned denitrating catalyst, the preparation method of the denitrating catalyst is provided herein:
(1) preparation of carrier
A certain amount of titanium source reagent of sulfuric acid oxygen titanium and silicon source reagent aluminium chloride are taken, appropriate deionized water is dissolved separately in In, stir, titanium source and silicon source solution are made respectively, the ratio between both concentration are 1:(0.01~2).By titanium source solution, silicon source Solution, ammoniacal liquor are instilled in the reactor equipped with a small amount of deionized water by certain flow rate, set in the reactor by way of cocurrent There is agitating device, it is ensured that solution is well mixed, reaction is abundant.Titanium source solution is identical with silicon source solution instillation speed, controls ammoniacal liquor Instillation speed, the pH value of reaction solution is controlled between 9~11, co-precipitation obtains titanium hydroxide and the precipitation of aluminium hydroxide is mixed Compound.By the sediment suction filtration, washing, it is repeated several times, up to pH value to 7 or so.Then 8 are dried under the conditions of 85~115 DEG C After~15h, 5~8h is calcined under the conditions of 350~600 DEG C, TiO is obtained2-Al2O3Composite oxide carrier.
(2) active component is loaded
Active component active carbon powder, enamel powder are well mixed with the support powder that above-mentioned steps are obtained, addition adds Plus after agent enamel, binding agent glycerine stir, suppressed or extrusion molding, can be spherical, strip or honeycomb ceramics shape etc.. Then this part is shaped under the conditions of 95~115 DEG C, dried, obtain activated carbon/TiO2-Al2O3Composite catalyst.
Then a certain amount of ammonium metatungstate, ammonium metavanadate reagent are dissolved in appropriate oxalic acid, previous step is obtained Activated carbon/TiO2-Al2O3Composite catalyst is dipped in isometric solution, and the mol ratio of vanadium tungsten is 1 wherein in the solution: (0.1~5).Dipping temperature is normal temperature, 5~8h of dip time, dries 8~15h after the completion of dipping under the conditions of 85~115 DEG C Afterwards, 5~8h is calcined under the conditions of 350~600 DEG C.
(3) auxiliary agent is loaded
By a certain amount of iron chloride (FeCl3·6H2O), lanthanum chloride (LaCl3·7H2O) it is dissolved in appropriate deionized water In, and catalyst precursor obtained above is dipped in isometric solution, dipping temperature is normal temperature, dip time 5~ After drying 8~15h under the conditions of 85~115 DEG C after the completion of 8h, dipping, 5~8h is calcined under the conditions of 350~600 DEG C, is warded off Porcelain is the denitrating catalyst finished product of additive.
According to embodiment of the present utility model, reducing agent is sprayed into using atomizer, reducing agent atomizing particle is formed.Due to Atomizer uses effervescent atomization technology, using high pressure air as atomizing medium, the moment atomization for spraying reducing agent For small droplet, it is well mixed with flue gas.Droplet particle can reach less than 40 μm, can be good at being well mixed with flue gas.
According to embodiment of the present utility model, the particle diameter of reducing agent atomizing particle is not more than 40 μm.Thus, atomizing particle with Flue gas is mixed evenly, is conducive to follow-up reduction denitration.
According to embodiment of the present utility model, reducing agent is ammoniacal liquor or urea.Thus, the reaction of reducing agent and nitrogen oxides Activity is good, and reduction denitration efficiency is high, fully the nitrogen oxides in removing flue gas.
S300 the pre-heat treatments
According to embodiment of the present utility model, the valve direction of the four-way reversing valve is converted, air and combustion gas is distinguished The denitrification apparatus is sequentially entered through the four-way reversing valve and the regenerative apparatus carries out the pre-heat treatment, is respectively obtained after preheating Air and preheating after combustion gas, the combustion gas after air and preheating after preheating burnt for glass furnace.Thus, utilize Regenerative apparatus is preheated to air and combustion gas, is reduced the energy consumption of burning, is made efficiency of combustion higher.
According to embodiment of the present utility model, the temperature of the combustion gas after air and preheating after preheating is 1200-1300 Degree Celsius.And glass furnace running temperature is 1500 DEG C~1600 DEG C, thus, the combustion gas after air and preheating after preheating is in glass The consumed less energy consumption of burning, high combustion efficiency in glass kiln.
Below with reference to specific embodiment, the utility model is illustrated, it is necessary to which explanation is, these embodiments are only It is illustrative, and it is not intended that to limitation of the present utility model.
Embodiment 1
System using the denitration of glass furnace fume of the utility model embodiment is entered to the flue gas of thermal storage type glass furnace Row accumulation of heat denitration, wherein, thermal storage type glass furnace is that gas fuel combustion directly heats mode, and running temperature is 1600 DEG C.Gas Fluid fuel is burnt by being arranged on the burner of body of heater side wall and spraying into stove, and it is molten that glass batch heating fusing is made into glass Liquid, the high-temperature flue gas that gas fuel combustion is produced discharges out of the furnace.
The high-temperature flue gas comes out from glass furnace, after hold over system recovery waste heat, and temperature, which is reduced to after 300 DEG C, enters de- Nitre system, carries out denitration reaction and goes after denitrification externally to discharge.The reducing agent is sprayed from flue by reductant nozzle, with After flue gas mixing after accumulation of heat recovery waste heat, the fin structure area set in follow-up flue completes uniform mixing, and dust Sedimentation, obtain the mixed gas of more pure flue gas (no dust) and reducing agent.The part mixed gas is configured in cigarette The denitrating catalyst at road rear, occurs reduction reaction, removes nitrogen oxides, removal efficiency is up to 98%.Wherein, the denitration catalyst The specific proportioning of agent is as follows:On the basis of catalyst total quality, wherein TiO2-Al2O3The mass loading of composite oxide carrier Measure as 48%, the mass loading amount of activated carbon is 27%, V2O5-WO3The mass loading amount of composite oxides active component is 15%, auxiliary agent iron, the mass loading amount of lanthanum auxiliary agent are respectively 1%, 4%, and the mass loading amount of additive enamel is 5%.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means to combine specific features, structure, material or the spy that the embodiment or example are described Point is contained at least one embodiment of the present utility model or example.In this manual, to the schematic table of above-mentioned term State and be not necessarily referring to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be Combined in an appropriate manner in any one or more embodiments or example.
While there has been shown and described that embodiment of the present utility model, it will be understood by those skilled in the art that: These embodiments can be carried out with a variety of changes, modification in the case where not departing from principle of the present utility model and objective, replaced And modification, scope of the present utility model limits by claim and its equivalent.

Claims (6)

1. a kind of system of denitration of glass furnace fume, it is characterised in that including:
Regenerative apparatus, the regenerative apparatus has the gas vent after smoke inlet, preheating and the exhanst gas outlet after cooling, described Smoke inlet is connected with the exhaust opening of glass furnace, and the gas vent after the preheating is connected with the nozzle of glass furnace, and institute State regenerative apparatus and be provided with heat storage;
Denitrification apparatus, the denitrification apparatus is S-type, and the denitrification apparatus has the reducing agent spray for the lower, transverse being sequentially connected The denitration region in area, vertical decanting zone and upper lateral, wherein, the reducing agent spraying zone has the smoke inlet after cooling, Smoke inlet after the cooling is connected with the exhanst gas outlet after the cooling, and the reducing agent spraying zone is provided with reducing agent spray Mouth;The decanting zone is provided with the fin being interspersed;The denitration region has the first gas port, and is provided with denitrating catalyst, And a diameter of 3-6mm of the denitrating catalyst;And
Four-way reversing valve, the four-way reversing valve has air intake, fuel gas inlet, the second gas port and exhanst gas outlet, described Two gas ports and it is connected with first gas port of the denitration region.
2. the system of denitration of glass furnace fume according to claim 1, it is characterised in that further comprise:
Flue gas blowback part, the flue gas blowback part is arranged on the denitration region, and is located at first gas port and described de- Between denox catalyst.
3. the system of denitration of glass furnace fume according to claim 1, it is characterised in that the reductant nozzle is mist Change nozzle.
4. the system of denitration of glass furnace fume according to claim 1, it is characterised in that the denitrating catalyst is in ball Shape, strip or honeycomb ceramics shape.
5. the system of denitration of glass furnace fume according to claim 4, it is characterised in that the honeycomb ceramics shape denitration is urged The aperture of agent is 30-35mm.
6. the system of the denitration of glass furnace fume according to claim any one of 1-5, it is characterised in that the glass furnace The nozzle of stove is heat-accumulating type nozzle.
CN201621441525.XU 2016-12-26 2016-12-26 The system of denitration of glass furnace fume Active CN206519038U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621441525.XU CN206519038U (en) 2016-12-26 2016-12-26 The system of denitration of glass furnace fume

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621441525.XU CN206519038U (en) 2016-12-26 2016-12-26 The system of denitration of glass furnace fume

Publications (1)

Publication Number Publication Date
CN206519038U true CN206519038U (en) 2017-09-26

Family

ID=59888861

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621441525.XU Active CN206519038U (en) 2016-12-26 2016-12-26 The system of denitration of glass furnace fume

Country Status (1)

Country Link
CN (1) CN206519038U (en)

Similar Documents

Publication Publication Date Title
CN103191639A (en) Energy-saving emission-reducing denitration process as well as preparation method and application of denitration catalyst
CN105444195B (en) Coal-fired flue-gas multi-pollutant cooperative processing method and its system
CN110180349A (en) A kind of grate-kiln pelletizing flue gas minimum discharge system
CN209696659U (en) A kind of high dirt sintering flue gas desulfurization denitrification apparatus
CN206519037U (en) The system of glass furnace fume accumulation of heat denitration
CN206519038U (en) The system of denitration of glass furnace fume
CN107420927A (en) A kind of fire coal boiler fume high-efficient purification and UTILIZATION OF VESIDUAL HEAT IN technique
CN106731800A (en) The system of glass furnace fume accumulation of heat denitration and its application
CN206404556U (en) The system of rotary hearth furnace flue gas accumulation of heat denitration
CN206410512U (en) Smelting furnace
CN106512687A (en) Powdered coal industrial boiler flue gas denitrifying system and denitrifying method
CN106731799A (en) The system of denitration of glass furnace fume and its application
CN206660914U (en) The system of rotary hearth furnace flue gas accumulation of heat denitration
CN206175036U (en) Diesel engine tail gas purifying system with heat recovery function
CN206519026U (en) Rotary hearth furnace flue gas denitrification system
CN106766956A (en) Gas melting furnace flue accumulation of heat denitrification apparatus and method of denitration
CN206410537U (en) Gas melting furnace flue accumulation of heat denitrification apparatus
CN106669393A (en) Denitration system and denitration method for fuel gas of pulverized coal industrial boiler
CN206404564U (en) Fine coal industrial boiler flue gas denitrification system
CN206404591U (en) Granule materials Industrial Boiler flue gas denitrification system
CN106731556A (en) The system of rotary hearth furnace flue gas accumulation of heat denitration and its application
CN206410511U (en) Smelting furnace
CN206410536U (en) Gas melting furnace flue accumulation of heat denitrification apparatus
CN206597442U (en) Fine coal industrial boiler flue gas denitrification system
CN206410152U (en) Radiant tube

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Flue gas denitrification system for glass kiln and application thereof

Effective date of registration: 20180322

Granted publication date: 20170926

Pledgee: The Bank of Beijing Limited by Share Ltd Anwar Road Branch

Pledgor: Shenwu science and technology group Limited by Share Ltd

Registration number: 2018990000210

PE01 Entry into force of the registration of the contract for pledge of patent right
PP01 Preservation of patent right

Effective date of registration: 20190110

Granted publication date: 20170926

PP01 Preservation of patent right
PP01 Preservation of patent right

Effective date of registration: 20190121

Granted publication date: 20170926

PP01 Preservation of patent right