CN107469872A - A kind of flue gas pressures regulation shutter for being used to prepare iron-based denitrating catalyst - Google Patents
A kind of flue gas pressures regulation shutter for being used to prepare iron-based denitrating catalyst Download PDFInfo
- Publication number
- CN107469872A CN107469872A CN201710908951.2A CN201710908951A CN107469872A CN 107469872 A CN107469872 A CN 107469872A CN 201710908951 A CN201710908951 A CN 201710908951A CN 107469872 A CN107469872 A CN 107469872A
- Authority
- CN
- China
- Prior art keywords
- upper shell
- lower house
- waste gas
- catalyst
- 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.)
- Pending
Links
- 239000003054 catalyst Substances 0.000 title claims abstract description 80
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 42
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 239000003546 flue gas Substances 0.000 title claims abstract description 26
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 20
- 239000002912 waste gas Substances 0.000 claims abstract description 65
- 238000002485 combustion reaction Methods 0.000 claims abstract description 25
- 238000001816 cooling Methods 0.000 claims abstract description 17
- 238000009792 diffusion process Methods 0.000 claims abstract description 4
- 241001504664 Crossocheilus latius Species 0.000 claims description 13
- 229910001651 emery Inorganic materials 0.000 claims description 6
- 239000010977 jade Substances 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 239000002737 fuel gas Substances 0.000 abstract description 7
- 238000010438 heat treatment Methods 0.000 abstract description 6
- 238000007254 oxidation reaction Methods 0.000 abstract description 6
- 230000003647 oxidation Effects 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 18
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 230000004913 activation Effects 0.000 description 4
- 239000000112 cooling gas Substances 0.000 description 4
- 239000000498 cooling water Substances 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- -1 vapor Chemical compound 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/08—Heat treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/78—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with alkali- or alkaline earth metals
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The invention provides a kind of flue gas pressures for being used to prepare iron-based denitrating catalyst to adjust shutter, including：The upper shell being arranged on by flue gas connecting tube at the baker mouth or flue port or furnace roof diffusion mouth of combustion furnace, and the lower house being connected by waste gas flue with chimney；The upper shell is horizontally disposed, the lower house be located at below the upper shell and with the upper shell vertical connection；The connecting hole the upper shell and lower house to be connected is provided between the upper shell and lower house, it is catalyst fixed bed to be detachably arranged in lower house；Double-tube heat exchanger is wound between the inwall and outer wall of upper shell.The present invention is activated to the catalyst on catalyst fixed bed using high-temp waste gas caused by the fuel gas buring in combustion furnace, is realized the UTILIZATION OF VESIDUAL HEAT IN of high-temp waste gas；Double-tube heat exchanger is also avoided that upper shell degrades oxidation in the presence of high-temp waste gas so that upper shell will not be broken in the case of heating cooling repeatedly.
Description
Technical field
The present invention relates to a kind of catalyst preparation device, more particularly to a kind of flue gas for being used to prepare iron-based denitrating catalyst
Pressure adjusts shutter.
Background technology
After fuel gas buring in combustion furnace, waste gas can be produced, temperature is up to more than 800 degree, if these waste gas are not comprehensive
Close and utilize, then can cause energy waste, the Chinese invention patent of Patent No. 201710385806.0, be referred to one kind and prepare iron
The preparation method of based denitration catalyst by raw materials for sintering, it is necessary to be placed in heat-activated in 800~1100 degree of activated gas, it is desirable to
Activated gas does not chemically react with the active component of raw materials for sintering, and raw materials for sintering heats because oxidation and sinter occurs in atmosphere
It is blocking, then it can not prepare the active catalyst of high-specific surface area.And prepare the steam or carbon dioxide or inert gas of high temperature
More consume energy, it is uneconomical, according to《Gas works》After fuel gas buring in control combustion furnace in the case of coefficient of excess air
Waste gas is oxygen-containing relatively low, no more than 3%, and major gaseous component be carbon dioxide, vapor, nitrogen, not with ferrum-based catalyst
Active component is reacted, and the EGT after burning is higher about 900~1500 DEG C, if being directly used to high-temp waste gas prepare iron-based
Denitrating catalyst, also exist after having activated catalyst, catalyst need to be cooled to normal temperature, do not made in the environment of inert gas
Oxidation reaction occurs with air during catalyst natural cooling.In view of this, need to completely cut off height in the catalyst that cooling has activated
Warm waste gas is conflicting using low temperature waste gas cooling catalyst, both demands.And when taking out the catalyst prepared, prevent again
Only suffocated by the extremely low cooling gas of oxygen content.In addition the gas of high temperature can also make catalyst preparation device degrade oxygen at high temperature
Change, in general cast iron vessel is used as catalyst preparation device can be broken in the case of heating cooling repeatedly, cause high-temperature gas
Leak.Therefore a kind of high temperature resistant is needed, it intermittent can heat and cool down catalyst, negative-pressure operation, the catalyst preparation device of energy-conservation.
The content of the invention
In view of this, it is a primary object of the present invention to provide a kind of high temperature resistant, can intermittent heating and cooling catalyst,
The flue gas pressures regulation shutter for being used to prepare iron-based denitrating catalyst of negative-pressure operation, energy-conservation.
To reach above-mentioned purpose, the invention provides a kind of flue gas pressures regulation for being used to prepare iron-based denitrating catalyst to open
Device is closed, including：The upper casing being arranged on by flue gas connecting tube at the baker mouth or flue port or furnace roof diffusion mouth of combustion furnace
Body, and the lower house being connected by waste gas flue with chimney；The upper shell is horizontally disposed, and the lower house is located at
Below the upper shell and with the upper shell vertical connection；It is provided between the upper shell and lower house on will be described
The connecting hole that housing is connected with lower house, it is catalyst fixed bed to be detachably arranged in the lower house；The upper casing
Double-tube heat exchanger is wound between the inwall and outer wall of body.
By upper, using high-temp waste gas caused by the fuel gas buring in combustion furnace, the catalyst on catalyst fixed bed is entered
Row activation, realize the UTILIZATION OF VESIDUAL HEAT IN of high-temp waste gas；Double-tube heat exchanger can exist the high-temp waste gas temperature control flowed through in upper shell
800~1100 degree, prevent that high-temp waste gas temperature is too high, make catalyst loss of activity；In addition, double-tube heat exchanger is also avoided that upper casing
Body degrades oxidation in the presence of high-temp waste gas so that upper shell will not be broken in the case of heating cooling repeatedly, avoid high temperature
Gas leak.
Optionally, the upper enclosure inner wall is additionally provided with the thermostable heat-conductive for extending its service life at high temperature
Layer.
By upper, thermostable heat-conductive layer can accelerate high-temp waste gas and be exchanged heat with double-tube heat exchanger, extend the service life of upper shell.
Optionally, the lower house inwall is provided with the high temperature resistant heat insulation layer for extending its service life at high temperature.
By upper, high temperature resistant heat insulation layer extends the service life of lower house high-temp waste gas to be isolated with lower house.
Optionally, the waste gas for blocking the connecting hole is additionally provided with the upper shell to cut or polish jade with an emery wheel, the waste gas stone roller is located at
The surface of the connecting hole, the waste gas stone roller are connected with the leverage being arranged at outside the upper shell, the leverage
To make waste gas stone roller move up and down to be opened and closed connecting hole.
By upper, waste gas stone roller is used for blocking connecting hole, by using leverage, drives waste gas stone roller to move up and down, the company of realization
Connect the opening and closing in hole.
Optionally, the upper shell external symmetry is provided with a pair of plug valves, and this pair of plug valves are connected by connecting tube respectively
Lead to the upper shell.
By upper, when waste gas is cut or polish jade with an emery wheel and closes connecting hole, by this pair of plug valves, combustion is passed through into combustion furnace via upper shell
Gas, combustion-supporting gas or diluent gas or cooling gas, control the air excess in combustion furnace, prevent excessive oxygen in waste gas, aoxidize
Catalyst.
Optionally, positioned at catalyst fixed bed top, it is additionally provided with the lower house for adjusting waste gas discharge
Pressure and flow adjusting flap.
By upper, according to needs of production, pressure and the flow that waste gas is discharged are adjusted by adjusting flap.
Optionally, positioned at the adjusting flap and it is catalyst fixed bed between, be additionally provided with the connection lower house and be used in combination
In the cooling connecting tube of regulation EGT or the catalyst fixed bed interior catalyst of cooling.
By upper, gas is cooled down by being passed through inertia into cooling connecting tube, the temperature or cooling catalyst for adjusting waste gas are fixed
Catalyst in bed.
Brief description of the drawings
Fig. 1 is the structural representation that shutter is adjusted for preparing the flue gas pressures of iron-based denitrating catalyst；
Fig. 2 is that the structure for the flue gas pressures regulation shutter that two groups be arranged side by side are used to prepare iron-based denitrating catalyst is shown
It is intended to；
Fig. 3 is the rearview of plug valve in Fig. 1；
Fig. 4 is the left view of plug valve in Fig. 1.
Embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples, but be not intended as to the present invention limit according to
According to.
A kind of flue gas pressures regulation shutter for being used to prepare iron-based denitrating catalyst, as shown in figure 1, including：Pass through cigarette
Road gas connecting tube 20 is arranged on the upper shell 30 at the baker mouth or flue port or furnace roof diffusion mouth of combustion furnace 10, and passes through
The lower house 40 that waste gas flue 50 is connected with chimney；The upper shell 30 is horizontally disposed, and the lower house 40 is located at institute
State the lower section of upper shell 30 and with the vertical connection of upper shell 30；It is provided between the upper shell 30 and lower house 40 to incite somebody to action
The connecting hole 302 that the upper shell 30 is connected with lower house 40, catalyst fixed bed 402 be detachably arranged in it is described under
In housing 40；Specifically, installation catalyst fixed bed 402 lower house 40 corresponding position, open up one with it is catalyst fixed bed
The opening of 402 adaptations, catalyst fixed bed 402 are arranged in lower house 40, set a closure plate in the opening, the closure plate is used
To block the opening, closure plate and lower house 40 are fixed together by screw, realize catalyst fixed bed 402 with
Housing 40 is detachably connected, and when needing to dismantle catalyst fixed bed 402, by disassembling screw, closure plate is taken down, from opening
Mouthful place taking-up this catalyst fixed bed 402；Double-tube heat exchanger 301 is wound between the inwall and outer wall of the upper shell 30.
After fuel gas buring in combustion furnace 10, the high-temp waste gas that temperature is up to more than 800 degree can be produced, because chimney produces
Suction cause high-temp waste gas to pass sequentially through flue gas connecting tube 20, upper shell 30, connecting hole 302, lower house from combustion furnace 10
40th, set in lower house 40 catalyst fixed bed 402, flow into chimney after waste gas flue 50；In air excess system in combustion furnace
Waste gas is oxygen-containing relatively low after fuel gas buring in the case of number, no more than 5%, and major gaseous component be carbon dioxide, vapor,
Nitrogen, do not reacted with ferrum-based catalyst active component；The high-temp waste gas can be thus used for the activation of iron-based denitrating catalyst,
Realize the UTILIZATION OF VESIDUAL HEAT IN of high-temp waste gas；Specifically, double-tube heat exchanger 301 is wound between the inwall and outer wall of upper shell 30,
Cooling water inlet and coolant outlet are also respectively provided with the outer tube wall of upper shell 30, cooling water inlet and coolant outlet are each
It is connected with double-tube heat exchanger 301, be passed through cooling water by cooling water inlet carries out heat to the high-temp waste gas flowed through in upper shell 30
Exchange, can will flow through the temperature control of high-temp waste gas of upper shell 30 at 800~1100 degree, the high-temp waste gas is passed through into catalyst
Fixed bed 402, the catalyst in activated catalyst fixed bed 402, the waste gas through after catalyst fixed bed 402, is arranged by chimney
Go out.In this example, upper shell 30 is arranged on the flue port of combustion furnace 10 by flue gas connecting tube 20.Further, cover
Heat exchange of heat pipe 301 is also avoided that upper shell degrades oxidation under high-temp waste gas effect, prevents catalyst preparation device repeatedly
Fracture is produced in the case of heating cooling, avoids high-temperature gas from leaking so that for preparing the flue gas pressures of iron-based denitrating catalyst
Regulation shutter has resistant to elevated temperatures feature.
As shown in figure 1, the inwall of upper shell 30 is additionally provided with the high temperature resistant for extending its service life at high temperature
Heat-conducting layer 303.Thermostable heat-conductive layer 303 is generally made up of common castable, can accelerate high-temperature gas and double-tube heat exchanger 301
Heat exchange, extend the service life of upper shell 30.The inwall of lower house 40 is provided with for extending its service life at high temperature
High temperature resistant heat insulation layer 401.High temperature resistant heat insulation layer 401 is made up of clay chamotte, high-temp waste gas to be isolated with lower house 40,
Extend the service life of lower house 40.
Shown as shown in Figure 1, Figure 3 and Figure 4, the upper shell 30 is made up of straight length and bending segment, and bending segment connects with flue gas
Adapter 20 connects.As shown in figure 1, the waste gas being additionally provided with the head end of straight length for blocking the connecting hole 302 cuts or polish jade with an emery wheel 305,
The waste gas stone roller 305 is located at the surface of the connecting hole 302, and the waste gas stone roller 305 is with being arranged on straight length head end outer wall
Leverage 306 connect, the arm of force 3061 of leverage 306 drives sectional wheel 3062 to surround support motion, useless so as to drive
Gas stone roller 305 moves up and down, and realizes the opening and closing of connecting hole 302.When the drive waste gas of leverage 306 stone roller 305 moves up,
Connecting hole 302 is in open mode, after the fuel gas buring in combustion furnace, high-temp waste gas is produced, because suction makes caused by chimney
Waste gas passes sequentially through flue gas connecting tube 20, upper shell 30 from combustion furnace, connecting hole 302, lower house 40, set in lower house 40
Put catalyst fixed bed 402, flow into chimney after waste gas flue 50；Straight length external symmetry is provided with a pair of plug valves 304, this
The upper shell 30 is connected by connecting tube respectively to plug valve 304, cutting or polish jade with an emery wheel 305 when waste gas pushes, and blocks connecting hole 302, passes through
A pair of the plug valves 304 set outside upper shell 30, combustion gas, combustion-supporting gas or carrier gas are passed through via upper shell 30 into combustion furnace 10
Body or cooling gas, control the air excess in combustion furnace 10, prevent excessive oxygen in waste gas, oxidation catalyst.
Adjusting flap 403 is additionally provided with the lower house 30, the adjusting flap 403 is positioned at catalyst fixed bed 402
Top, and to be set perpendicular to the central axis of lower house 30, according to needs of production, adjusting flap 403 is useless for adjusting
The pressure and flow of gas discharge.Between the adjusting flap 403 and catalyst fixed bed 402, it is additionally provided with described in connection
The cooling connecting tube 404 of lower house 40, by cooling connecting tube 404 in be passed through inertia cool down gas, adjust waste gas temperature or
Cool down the catalyst in catalyst fixed bed 402.
In the present invention, the combustion furnace uses batch (-type) combustion furnace, when needing to activate catalyst, passes through Lever machine
The arm of force 3061 on structure drives sectional wheel 3062 to surround support motion, so as to be lifted up waste gas stone roller 305 so that combustion furnace internal combustion
High-temp waste gas caused by gas burning in connecting tube 20, upper shell 30, connecting hole 302, lower house 40, lower house 40 successively by setting
Put catalyst fixed bed 402, after the completion of activation of catalyst, high-temp waste gas flows into chimney after waste gas flue 50, passes through lever
The arm of force 3061 in mechanism 306 drives sectional wheel 3062 to surround support motion, so that waste gas stone roller 305 moves downward, blocks
Connecting hole 302, now, inertia cooling gas is passed through into cooling connecting tube 404, cools down the catalyst in catalyst fixed bed 402；
Circulated with this, realize the intermittent heating of catalyst and cooling.
As shown in Fig. 2 in the present embodiment, two groups or more flue gas connecting tube is arranged side by side on combustion furnace
20, meanwhile, two groups or more flue gas connecting tube 20 is connected with two groups or more upper shell 30, two groups or two
The upper shell 30 of the group above is connected with the lower house 40 of respective amount, and multichannel lower house 40 is connected to waste gas flue 50 simultaneously, often
The upper shell 30 of group has identical structure with lower house, when the exhausted air quantity after being burnt in combustion furnace is enough, can be achieved two
The activation of catalyst in group or more than two catalyst fixed bed 402.
Described above is the preferred embodiment of the present invention, can not limit the right model of the present invention with this certainly
Enclose, it is noted that for those skilled in the art, under the premise without departing from the principles of the invention, may be used also
To make some improvement and variation, these are improved and variation is also considered as protection scope of the present invention.
Claims (7)
- A kind of 1. flue gas pressures regulation shutter for being used to prepare iron-based denitrating catalyst, it is characterised in that including：The upper shell being arranged on by flue gas connecting tube at the baker mouth or flue port or furnace roof diffusion mouth of combustion furnace, and The lower house being connected by waste gas flue with chimney；The upper shell is horizontally disposed, and the lower house is located at below the upper shell and vertical with the upper shell connected Connect；The connecting hole the upper shell and lower house to be connected is provided between the upper shell and lower house, is catalyzed Agent fixed bed is detachably arranged in the lower house；Double-tube heat exchanger is wound between the inwall and outer wall of the upper shell.
- 2. the flue gas pressures regulation shutter according to claim 1 for being used to prepare iron-based denitrating catalyst, its feature exist The thermostable heat-conductive layer for extending its service life at high temperature is additionally provided with, the upper enclosure inner wall.
- 3. the flue gas pressures regulation shutter according to claim 1 or 2 for being used to prepare iron-based denitrating catalyst, its feature It is, the lower house inwall is provided with the high temperature resistant heat insulation layer for extending its service life at high temperature.
- 4. the flue gas pressures regulation shutter according to claim 3 for being used to prepare iron-based denitrating catalyst, its feature exist In being additionally provided with the waste gas for blocking the connecting hole in the upper shell and cut or polish jade with an emery wheel, waste gas stone roller is positioned at the connecting hole Surface, waste gas stone roller are connected with the leverage being arranged at outside the upper shell, and the leverage is cutting or polish jade with an emery wheel waste gas Move up and down to be opened and closed connecting hole.
- 5. the flue gas pressures regulation shutter according to claim 4 for being used to prepare iron-based denitrating catalyst, its feature exist In the upper shell external symmetry is provided with a pair of plug valves, and this pair of plug valves connect the upper shell by connecting tube respectively.
- 6. the flue gas pressures regulation shutter according to claim 5 for being used to prepare iron-based denitrating catalyst, its feature exist In positioned at catalyst fixed bed top, pressure and flow for adjusting waste gas discharge are additionally provided with the lower house Adjusting flap.
- 7. the flue gas pressures regulation shutter according to claim 6 for being used to prepare iron-based denitrating catalyst, its feature exist In, positioned at the adjusting flap and it is catalyst fixed bed between, be additionally provided with the connection lower house and for adjusting waste gas temperature Spend or cool down the cooling connecting tube of catalyst fixed bed interior catalyst.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710908951.2A CN107469872A (en) | 2017-09-29 | 2017-09-29 | A kind of flue gas pressures regulation shutter for being used to prepare iron-based denitrating catalyst |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710908951.2A CN107469872A (en) | 2017-09-29 | 2017-09-29 | A kind of flue gas pressures regulation shutter for being used to prepare iron-based denitrating catalyst |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107469872A true CN107469872A (en) | 2017-12-15 |
Family
ID=60605805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710908951.2A Pending CN107469872A (en) | 2017-09-29 | 2017-09-29 | A kind of flue gas pressures regulation shutter for being used to prepare iron-based denitrating catalyst |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107469872A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1366537A (en) * | 1971-10-11 | 1974-09-11 | Exxon Research Engineering Co | Nickel catalysts and use on hydrogenation processes |
| CN2169627Y (en) * | 1993-09-03 | 1994-06-22 | 鞍山钢铁公司 | Double sealed quick switching open and close device for coke furnace |
| JPH07185343A (en) * | 1993-11-18 | 1995-07-25 | Nippon Steel Corp | Denitration catalyst |
| BG101705A (en) * | 1997-06-30 | 1999-01-29 | Люцкан ЛЮЦКАНОВ | Method for the treatment of carbon-containing materials |
| JP2004092545A (en) * | 2002-08-30 | 2004-03-25 | Toyo Radiator Co Ltd | Exhaust gas processing device |
| CN200974824Y (en) * | 2006-12-08 | 2007-11-14 | 中冶焦耐工程技术有限公司 | Coke oven exhaust gas interchanged shutter |
| JP2010242522A (en) * | 2009-04-01 | 2010-10-28 | Toyota Motor Corp | Exhaust emission control device for internal combustion engine |
| CN102530923A (en) * | 2010-12-08 | 2012-07-04 | 沈阳铝镁设计研究院有限公司 | High-temperature electric calcining system and method of carbon raw material |
| CN106984319A (en) * | 2017-05-26 | 2017-07-28 | 武汉科技大学 | It is a kind of to be used to remove iron-based composite catalyst of nitrogen oxides in effluent and organic pollution and preparation method thereof simultaneously |
-
2017
- 2017-09-29 CN CN201710908951.2A patent/CN107469872A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1366537A (en) * | 1971-10-11 | 1974-09-11 | Exxon Research Engineering Co | Nickel catalysts and use on hydrogenation processes |
| CN2169627Y (en) * | 1993-09-03 | 1994-06-22 | 鞍山钢铁公司 | Double sealed quick switching open and close device for coke furnace |
| JPH07185343A (en) * | 1993-11-18 | 1995-07-25 | Nippon Steel Corp | Denitration catalyst |
| BG101705A (en) * | 1997-06-30 | 1999-01-29 | Люцкан ЛЮЦКАНОВ | Method for the treatment of carbon-containing materials |
| JP2004092545A (en) * | 2002-08-30 | 2004-03-25 | Toyo Radiator Co Ltd | Exhaust gas processing device |
| CN200974824Y (en) * | 2006-12-08 | 2007-11-14 | 中冶焦耐工程技术有限公司 | Coke oven exhaust gas interchanged shutter |
| JP2010242522A (en) * | 2009-04-01 | 2010-10-28 | Toyota Motor Corp | Exhaust emission control device for internal combustion engine |
| CN102530923A (en) * | 2010-12-08 | 2012-07-04 | 沈阳铝镁设计研究院有限公司 | High-temperature electric calcining system and method of carbon raw material |
| CN106984319A (en) * | 2017-05-26 | 2017-07-28 | 武汉科技大学 | It is a kind of to be used to remove iron-based composite catalyst of nitrogen oxides in effluent and organic pollution and preparation method thereof simultaneously |
Non-Patent Citations (1)
| Title |
|---|
| 郭治，等, 河北科学技术出版社, pages: 104 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6683685B2 (en) | Improved coke operating combustion profile | |
| JP2701990B2 (en) | Pressurized reactor system and its operation method | |
| CN207074008U (en) | High temperature elevator furnace | |
| CN106705077A (en) | Waste gas incinerator | |
| CN107469872A (en) | A kind of flue gas pressures regulation shutter for being used to prepare iron-based denitrating catalyst | |
| WO2017047314A1 (en) | Reduced iron production device | |
| CN204760405U (en) | Annealing oxidation equipment | |
| CN213238376U (en) | Heating furnace | |
| CN205909311U (en) | Heat accumulating type oxidation furnace | |
| CN208296639U (en) | Combustion chamber Quick temperature adjustment | |
| CN107497435A (en) | A kind of iron-based denitrating catalyst preparation facilities | |
| CN206891155U (en) | A kind of energy saving device for roller kilns | |
| CN2137324Y (en) | Compound catalyzed decontamination furnace for industrial waste gas | |
| JPS59167625A (en) | Metal melting furnace | |
| CN207893773U (en) | A kind of organic exhaust gas heating power oxidation unit | |
| CN208871648U (en) | A kind of efficient VOCs catalytic oxidation combustion device | |
| CN105903898A (en) | Shell mold sintering method and device | |
| CN202254811U (en) | Non-tank type protective atmosphere high-temperature experimental furnace | |
| CN210321165U (en) | Casting furnace | |
| CN211739128U (en) | Thermal circulation energy-saving catalytic combustion device | |
| CN110332804A (en) | A kind of anti-explosion safety industrial furnace | |
| CN217556056U (en) | Glass kiln flue system and glass kiln | |
| CN115477461B (en) | Reversing-free glass kiln structure | |
| CN221131639U (en) | Constant temperature regulating device and flue gas SCR denitration system | |
| CN215176928U (en) | Cooling type radiation heating 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: Wang Huanhuan Inventor after: Yao Longteng Inventor after: Zhu Zhiping Inventor before: Yao Longteng Inventor before: Zhu Zhiping |
|
| CB03 | Change of inventor or designer information | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171215 |
|
| WD01 | Invention patent application deemed withdrawn after publication |