CN207996557U - A kind of cement rotary kiln denitrification apparatus - Google Patents
A kind of cement rotary kiln denitrification apparatus Download PDFInfo
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- CN207996557U CN207996557U CN201721816625.0U CN201721816625U CN207996557U CN 207996557 U CN207996557 U CN 207996557U CN 201721816625 U CN201721816625 U CN 201721816625U CN 207996557 U CN207996557 U CN 207996557U
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- cyclone cylinders
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Abstract
Include set on the smoke-box of rotary kiln tail portion, the dore furnace at the top of smoke-box, C1 cyclone cylinders, C2 cyclone cylinders, C3 cyclone cylinders, C4 cyclone cylinders, C5 cyclone cylinders, conditioning Tower, dust removal filter, kiln tail deduster and reduction tower the utility model discloses a kind of cement rotary kiln denitrification apparatus;In the utility model, the flue gas of rotary kiln is decomposing furnace bottom denitration, the ammonia spray nozzle of reduction top of tower makes uptake flue of the flue gas through C5 cyclone cylinders in uphill process restore denitration again, again by restoring tower denitration, and recycle denitration between dore furnace and reduction tower, denitration efficiency is high, up to 85% or more;And through dust removal filter and the dedusting twice of kiln tail deduster, high dust collection efficiency makes the flue gas being finally discharged into air meet the discharge standard of national regulation.
Description
Technical field
The utility model is related to environmental protection technical field, especially a kind of cement rotary kiln denitrification apparatus.
Background technology
Nitrogen oxide NOx is one of major pollutants of air, mostly with NO, NO2Form exists.National cement row in recent years
What industry NOx discharge accounted for about national industrial discharge total amount 10% or so is only second to power industry and automotive emission.It faces
Increasingly serious atmosphere polluting problem, during China clearly proposes 12, the binding indicator of NOx abatement 10%, to de-
Nitre technology is put forward higher requirements;In addition the dust excluded with cement producing line flue gas is also to seriously threaten China's environmental quality
An important factor for, and in recent years in cement producing line flue gas dust discharge capacity be in cumulative year after year trend.However, traditional technology
In, the flue gas of domestic cement producing line last time rotary kiln kiln tail still remains denitration and is not thorough, and flue gas ash removal is inefficient
Disadvantage seriously affects the environmental quality in China.
Utility model content
To solve problems of the prior art, the purpose of this utility model is to provide a kind of cement rotary kiln denitration dress
It sets, the present apparatus has the advantages that denitration dust collecting is thorough and energy saving.
To achieve the above object, the technical solution adopted in the utility model is:A kind of cement rotary kiln denitrification apparatus, including
Set on the smoke-box of rotary kiln tail portion, the dore furnace at the top of smoke-box, C1 cyclone cylinders, C2 cyclone cylinders, C3 cyclone cylinders, C4 whirlwind
Cylinder, C5 cyclone cylinders, conditioning Tower, dust removal filter, kiln tail deduster and reduction tower;The outlet flue of the dore furnace is revolved with the C5
The uptake flue of air duct connects, and C5 cyclone cylinders are connect with the uptake flue of the C4 cyclone cylinders, C4 cyclone cylinders and the C3 whirlwind
The uptake flue connection of cylinder, C3 cyclone cylinders are connect with the uptake flue of the C2 cyclone cylinders, C2 cyclone cylinders and the C1 cyclone cylinders
Uptake flue connection, C1 grades of cyclone cylinders connect with the conditioning Tower, and conditioning Tower is connect with the kiln tail deduster, and kiln tail is removed
The outlet of dirt device is connected with chimney;The tremie pipe of the C5 cyclone cylinders is connect with the smoke-box, and the C4 cyclone cylinders include first
Tremie pipe and the second tremie pipe, the bottom of the dore furnace are equipped with the first raw material entrance and the second raw material entrance, under described first
Expects pipe is connect with the first raw material entrance, and second tremie pipe is connect with the second raw material entrance, and the first raw material enter
Mouthful position be higher than the position of the second raw material entrance, the bottom of the dore furnace is equipped with coal burner, and coal burner
Position is less than the position of the second raw material entrance, and the bottom of the dore furnace is additionally provided with tertiary air air inlet, and tertiary air air inlet
Position is equal with the position height of the second raw material entrance;The dust removal filter is set between C1 cyclone cylinders and reduction tower, and is removed
The bottom of dirt filter bottom and reduction tower is equipped with the powder transfer pipelines of dore furnace, the reduction top of tower and dore furnace
Top is equipped with ammonia spray nozzle, and restores the outlet of tower and the top connection of dore furnace.
In the present solution, flue gas initially enters in smoke-box in rotary kiln, then enters from smoke-box and decomposes furnace bottom, due to three times
The position of wind air inlet is higher than the position of the second raw material entrance, and the position of the second raw material entrance is higher than the position of coal burner
It sets, forms an oxygen-depleted zone between such tertiary air air inlet and coal burner, the coal dust in this region carries out oxygen deprivation
Burning, burn CO, the CH generated4,H2, HCN in fugitive constituent and these reducing agents of fixed carbon and the NO in flue gasXOccur anti-
It answers, by NOXReduction generates N2, while also inhibiting NO under this anoxycausis environmentXGeneration, to realize manufacture of cement mistake
NO in journeyx, key reaction process is as follows:2CO+2NO=N2+2CO2, CO2+ C=2CO, 2H2+ 2NO=N2+2H2O,NHi+ NO=N2
+…;In addition, having certain distance between tertiary air air inlet and coal burner, the reducing agent for extending generation participates in reduction instead
The time answered, coal dust is in base burning, and in order to control the temperature in this region, raw material in C4 cyclone cylinders are through the second tremie pipe from
Two raw material entrances enter the bottom of dore furnace, and raw material can also participate in reduction reaction, can be further reduced NOXGeneration, furthermore, lead to
It crosses the first tremie pipe and the second tremie pipe redistributes raw material, coal is improved while reaching stable high yield direct motion purpose
The burn-off rate of powder, reduces coal consumption, improves the resolution ratio of raw material, and drop has saved the energy, dore furnace while improving yield
Top be additionally provided with ammonia spray nozzle, flue gas is in uphill process, and the uptake flue through C5 cyclone cylinders restores denitration again, further
Reduce NO2Discharge, and through decompose furnace bottom preliminary denitration, the ammonia spraying amount of ammonia spray nozzle can be reduced, not only save
Production cost, and reduce the chance of the escaping of ammonia;Flue gas after dore furnace passes sequentially through C5 cyclone cylinders, C4 cyclone cylinders, C3
Cyclone cylinder, C2 cyclone cylinders and C1 cyclone cylinders, the flue gas part come out from C1 cyclone cylinders may filter that through dust removal filter dedusting
A part of dust in flue gas, dust enter through powder transfer pipelines in dore furnace, and flue gas after filtering enters reduction tower
In, the top for restoring tower is equipped with ammonia spray nozzle, the NO in flue gasxUptake flue through C5 cyclone cylinders restores denitration again, can be more
It is further to reduce NOxDischarge, and restore and have neither part nor lot in the remaining ammonia of reduction reaction in tower and can be recycled to the top of dore furnace again
It is secondary to be utilized, the utilization rate of ammonia is improved, and the flue gas for being circulated back to dore furnace can be used for NO in the flue gas of dore furnace topxReduction
The heating of reaction, has saved the energy, improves the utilization rate of raw material, and can be to the NO in flue gas between dore furnace and reduction towerx
Circulating reduction and by dust removal filter circulating dust-removing, reduces NO to greatest extentxWith the discharge of dust, denitration efficiency can
Up to 85% or more, and another part flue gas come out from C1 cyclone cylinders enters kiln tail deduster after conditioning Tower and carries out secondary remove
Dirt, the flue gas after dedusting is through in smoke stack emission to air.
The kiln tail deduster is tubbiness as a further improvement of the utility model, and the kiln tail deduster is interior along flue gas
Flow direction on be alternately equipped with annulus partition board and solid disk spacer successively, and the diameter of the annulus partition board outer shroud is removed with kiln tail
The internal diameter of dirt device matches, and the diameter of the annulus partition board inner ring is more than the diameter of the solid disk spacer, and solid disk spacer with
The concentric setting of annulus partition board.Humidification of the flue gas through conditioning Tower can improve the removing filter of dust, and in kiln tail deduster successively
Alternately be equipped with annulus partition board and solid disk spacer, the dust in flue gas in kiln tail deduster with annulus partition board and solid disk spacer
Detour collision is carried out, the discharge capacity of dust in flue gas is greatly reduced.
The kiln tail deduster includes at least two annulus partition boards and at least two as a further improvement of the utility model,
A solid disk spacer.Multiple annulus partition boards are set and solid disk spacer can remove dust in flue gas to greatest extent, make discharge
Meet discharge standard to the flue gas in air.
The kiln tail deduster is equipped at least along the tail portion in flow of flue gas direction as a further improvement of the utility model,
One layer of wet sponge.The wet sponge not only smaller dust of adsorbable grain size, but also ammonia can be absorbed, it further reduced the escaping of ammonia
Chance, protect environment.
It is set in the outlet of the reduction tower and the connecting pipe at the top of dore furnace as a further improvement of the utility model,
There is wind turbine.Wind turbine, which is arranged, can accelerate flue gas to be recycled into the rate of dore furnace from reduction tower, improve production efficiency and yield.
The number of the burner is at least two as a further improvement of the utility model, and burner is distributed in
On the circumference for decomposing furnace bottom.Multiple coal burners are arranged in the bottom of dore furnace, can increase the denitration efficiency for decomposing furnace bottom.
The pipeline between the kiln tail deduster and the chimney is equipped with as a further improvement of the utility model,
NOxDetector and flue gas the escaping of ammonia detector.NOxDetector and flue gas the escaping of ammonia detector can monitor at any time ammonia in flue gas gas and
NOxConcentration of emission, information timely feedbacks, and to ensure that the spray flux of ammonium hydroxide controls in certain molar ratio range, both avoids
Secondary pollution, and cement rotary kiln flue gas is made to reach the discharge standard of national regulation.
The utility model has the beneficial effects that:
1, in the utility model, the flue gas of rotary kiln is decomposing furnace bottom denitration, restores the ammonia spray nozzle of top of tower
So that uptake flue of the flue gas through C5 cyclone cylinders in uphill process is restored denitration again, then by restoring tower denitration, and is decomposing
Denitration is recycled between stove and reduction tower, denitration efficiency is high, up to 85% or more;And twice through dust removal filter and kiln tail deduster
Dedusting, high dust collection efficiency make the flue gas being finally discharged into air meet the discharge standard of national regulation.
2, annulus partition board and solid disk spacer are alternately equipped in kiln tail deduster successively, the dust in flue gas is in kiln tail dedusting
Detour collision is carried out with annulus partition board and solid disk spacer in device, greatly reduces the discharge capacity of dust in flue gas;It is arranged multiple
Annulus partition board and solid disk spacer can remove the dust in flue gas to greatest extent, and the flue gas being discharged into air is made to meet discharge
Standard.
3, kiln tail deduster along flow of flue gas direction the aft mounted wet sponge not only smaller dust of adsorbable grain size,
And ammonia can be absorbed, the chance of the escaping of ammonia is reduced, environment is protected.
4, the wind turbine in the outlet of reduction tower and dore furnace top connecting pipe accelerates flue gas and is recycled into from reduction tower
The rate of dore furnace, improves production efficiency and yield.
5, multiple coal burners are arranged in the bottom of dore furnace, can increase the denitration efficiency for decomposing furnace bottom.
6, the NO being arranged on the pipeline between kiln tail deduster and chimneyxDetector and flue gas the escaping of ammonia detector can be at any time
Monitor ammonia in flue gas gas and NOxConcentration of emission, information timely feedbacks, to ensure that the spray flux of ammonium hydroxide is controlled in certain mole
Than in range, not only avoiding secondary pollution, but also the discharge standard for making cement rotary kiln flue gas reach national regulation.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model embodiment;
Fig. 2 is the structural schematic diagram of the utility model embodiment kiln tail deduster;
Reference numeral:
1- rotary kilns, 2- smoke-boxes, 3- dore furnaces, 4-C1 cyclone cylinders, 5-C2 cyclone cylinders, 6-C3 cyclone cylinders, 7-C4 cyclone cylinders,
The first tremie pipes of 7a-, the second tremie pipes of 7b-, 8-C5 cyclone cylinders, 8a- tremie pipes, 9- conditioning Towers, 10- dust removal filters, 11- kilns
Tail deduster, 11a- annulus partition boards, the solid disk spacers of 11b-, 11c- wet sponges, 12- restore tower, 13- chimneys, 14- coal dust firings
Device, 15- tertiary air air inlets, 16- powder transfer pipelines, 17- ammonia spray nozzles, 18- wind turbines, 19-NOxDetector, 20- the escaping of ammonia
Detector.
Specific implementation mode
The embodiments of the present invention are described in detail below in conjunction with the accompanying drawings.
Embodiment
In one of the embodiments, as depicted in figs. 1 and 2, a kind of cement rotary kiln denitrification apparatus, including it is set to revolution
The smoke-box 2 of 1 tail portion of kiln, dore furnace 3, C1 cyclone cylinders 4, C2 cyclone cylinders 5, C3 cyclone cylinders 6, C4 cyclone cylinders set on 2 top of smoke-box
7, C5 cyclone cylinders 8, conditioning Tower 9, dust removal filter 10, kiln tail deduster 11 and reduction tower 12;The outlet flue of the dore furnace 3 with
The uptake flue of the C5 cyclone cylinders 8 connects, and C5 cyclone cylinders 8 are connect with the uptake flue of the C4 cyclone cylinders 7, C4 cyclone cylinders 7
It is connect with the uptake flue of the C3 cyclone cylinders 6, C3 cyclone cylinders 6 are connect with the uptake flue of the C2 cyclone cylinders 5, C2 cyclone cylinders
5 connect with the uptake flue of the C1 cyclone cylinders 4, and C1 grades of cyclone cylinders 4 are connect with the conditioning Tower 9, conditioning Tower 9 and the kiln tail
Deduster 11 connects, and the outlet of kiln tail deduster 11 is connected with chimney 13;The tremie pipe 8a of the C5 cyclone cylinders 8 and the cigarette
Room 2 connects, and the C4 cyclone cylinders 7 include the first tremie pipe 7a and the second tremie pipe 7b, and the bottom of the dore furnace 3 is equipped with first
Raw material entrance and the second raw material entrance, the first tremie pipe 7a are connect with the first raw material entrance, second tremie pipe
7b is connect with the second raw material entrance, and the position of the first raw material entrance is higher than the position of the second raw material entrance, the decomposition
The bottom of stove 3 is equipped with coal burner 14, and the position of coal burner 14 is less than the position of the second raw material entrance, the dore furnace
3 bottom is additionally provided with tertiary air air inlet 15, and the position height phase of the position of tertiary air air inlet 15 and the second raw material entrance
Deng;The dust removal filter 10 is set between C1 cyclone cylinders 4 and reduction tower 12, and 10 bottom of dust removal filter and reduction tower 12
Bottom is equipped with the powder transfer pipelines 16 of dore furnace 3, and the top of 12 top of reduction tower and dore furnace 3 is equipped with ammonium hydroxide spray
Mouth 17, and the outlet for restoring tower 12 is connect with the top of dore furnace 3.
In the present solution, flue gas initially enters in smoke-box 2 in rotary kiln 1, then enters 3 bottom of dore furnace from smoke-box 2, due to
The position of tertiary air air inlet 15 is higher than the position of the second raw material entrance, and the position of the second raw material entrance is higher than coal burner
14 position forms an oxygen-depleted zone, the coal in this region between such tertiary air air inlet 15 and coal burner 14
Powder carries out combustion with meagre oxygen, and burn CO, the CH generated4,H2, HCN in fugitive constituent and these reducing agents of fixed carbon in flue gas
NOXIt reacts, by NOXReduction generates N2, while also inhibiting NO under this anoxycausis environmentXGeneration, to realize water
NO in mud production processx, key reaction process is as follows:2CO+2NO=N2+2CO2, CO2+ C=2CO, 2H2+ 2NO=N2+2H2O,
NHi+ NO=N2+…;In addition, having certain distance between tertiary air air inlet 15 and coal burner 14, the reduction of generation is extended
The time of reduction reaction is participated in agent, and coal dust is in base burning, in order to control the temperature in this region, the raw material warp in C4 cyclone cylinders 7
Second tremie pipe 7b enters the bottom of dore furnace 3 from the second raw material entrance, and raw material can also participate in reduction reaction, can be further reduced
NOXGeneration, furthermore, raw material are redistributed by the first tremie pipe 7a and the second tremie pipe 7b, reach stable high yield
The burn-off rate that coal dust is improved while direct motion purpose, reduces coal consumption, improves the resolution ratio of raw material, is improving the same of yield
When drop saved the energy, the top of dore furnace 3 is additionally provided with ammonia spray nozzle 17, and flue gas is in uphill process, through the upper of C5 cyclone cylinders 8
It rises flue and restores denitration again, further reduce NO2Discharge, and through the preliminary denitration of 3 bottom of dore furnace, ammonia can be reduced
The ammonia spraying amount of (operating) water nozzle 17 has not only saved production cost, but also reduces the chance of the escaping of ammonia;Flue gas after dore furnace 3
C5 cyclone cylinders 8, C4 cyclone cylinders 7, C3 cyclone cylinders 6, C2 cyclone cylinders 5 and C1 cyclone cylinders 4 are passed sequentially through, is come out from C1 cyclone cylinders 4
A flue gas part may filter that a part of dust in flue gas, dust is through powder transfer pipelines 16 through 10 dedusting of dust removal filter
Into in dore furnace 3, flue gas after filtering enters in reduction tower 12, and the top of reduction tower 12 is equipped with ammonia spray nozzle 17, cigarette
NO in gasxUptake flue through C5 cyclone cylinders 8 restores denitration again, the NO in flue gasxIt can be restored again, it can be more into one
The reduction NO of stepxDischarge, and restore and have neither part nor lot in the remaining ammonia of reduction reaction in tower 12 and can be recycled to the top of dore furnace 3 again
It is utilized, improves the utilization rate of ammonia, and the flue gas for being circulated back to dore furnace 3 can be used for NO in 3 top flue gas of dore furnacexReduction
The heating of reaction, has saved the energy, improves the utilization rate of raw material, and can be in flue gas between dore furnace 3 and reduction tower 12
NOxCirculating reduction and by 10 circulating dust-removing of dust removal filter, reduces NO to greatest extentxWith the discharge of dust, denitration effect
Rate may be up to 85% or more, and another part flue gas come out from C1 cyclone cylinders 4 enter after conditioning Tower 9 kiln tail deduster 12 into
Row final dusting, the flue gas after dedusting are discharged into through chimney 13 in air.
In another embodiment, the kiln tail deduster 11 is tubbiness, the interior stream along flue gas of the kiln tail deduster 11
Alternately be equipped with annulus partition board 11a and solid disk spacer 11b on dynamic direction successively, and the diameter of the annulus partition board 11a outer shrouds with
The internal diameter of kiln tail deduster 11 matches, and the diameter of the annulus partition board 11a inner ring is more than the diameter of the solid disk spacer 11b,
And solid disk spacer 11b and the concentric settings of annulus partition board 11a.Humidification of the flue gas through conditioning Tower 9 can improve the removing of dust
Filter, and annulus partition board 11a and solid disk spacer 11b is alternately equipped in kiln tail deduster 12 successively, the dust in flue gas is in kiln tail
Detour collision is carried out with annulus partition board 11a and solid disk spacer 11b in deduster 11, greatly reduces the discharge of dust in flue gas
Amount.
In another embodiment, the kiln tail deduster 11 includes at least two annulus partition board 11a and at least two
Solid disk spacer 11b.Multiple annulus partition board 11a and solid disk spacer 11b are arranged can remove dust in flue gas to greatest extent,
The flue gas being discharged into air is set to meet discharge standard.
In another embodiment, the kiln tail deduster 11 is equipped at least one layer of wet along the tail portion in flow of flue gas direction
Sponge 11c.The wet sponge 11c not only smaller dust of adsorbable grain size, but also ammonia can be absorbed, it further reduced the escaping of ammonia
Chance, protect environment.
In another embodiment, the connecting pipe at 3 top of the outlet of the reduction tower 12 and dore furnace is equipped with wind
Machine 18.Wind turbine 18, which is arranged, can accelerate flue gas to enter the rate of dore furnace 3 from reduction tower 12, improve production efficiency and yield.
In another embodiment, the number of the coal burner 14 is at least two, and coal burner 14 is equal
It is distributed on the circumference of 3 bottom of dore furnace.Multiple coal burners 14 are arranged in the bottom of dore furnace 3, can increase by 3 bottom of dore furnace
Denitration efficiency.
In another embodiment, the pipeline between the kiln tail deduster 11 and the chimney 13 is equipped with NOxInspection
Survey instrument 19 and flue gas the escaping of ammonia detector 20.NOxDetector 19 and flue gas the escaping of ammonia detector 20 can monitor ammonia in flue gas at any time
Gas and NOxConcentration of emission, information timely feedbacks, to ensure that the spray flux of ammonium hydroxide controls in certain molar ratio range, both
Secondary pollution is avoided, and 1 flue gas of cement rotary kiln is made to reach the discharge standard of national regulation.
Specific embodiment of the present utility model above described embodiment only expresses, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the scope of protection of the utility model.
Claims (7)
1. a kind of cement rotary kiln denitrification apparatus, which is characterized in that include set on the smoke-box of rotary kiln tail portion, at the top of smoke-box
Dore furnace, C1 cyclone cylinders, C2 cyclone cylinders, C3 cyclone cylinders, C4 cyclone cylinders, C5 cyclone cylinders, conditioning Tower, dust removal filter, kiln tail
Deduster and reduction tower;
The outlet flue of the dore furnace is connect with the uptake flue of the C5 cyclone cylinders, and C5 cyclone cylinders are upper with the C4 cyclone cylinders
Flue connection is risen, C4 cyclone cylinders are connect with the uptake flue of the C3 cyclone cylinders, the rising of C3 cyclone cylinders and the C2 cyclone cylinders
Flue connects, and C2 cyclone cylinders are connect with the uptake flue of the C1 cyclone cylinders, and C1 grades of cyclone cylinders are connect with the conditioning Tower, humidification
Tower is connect with the kiln tail deduster, and the outlet of kiln tail deduster is connected with chimney;
The tremie pipe of the C5 cyclone cylinders is connect with the smoke-box, and the C4 cyclone cylinders include the first tremie pipe and the second blanking
The bottom of pipe, the dore furnace is equipped with the first raw material entrance and the second raw material entrance, and first tremie pipe is given birth to described first
Expect that entrance connection, second tremie pipe are connect with the second raw material entrance, and the position of the first raw material entrance is higher than second
The bottom of the position of raw material entrance, the dore furnace is equipped with coal burner, and the position of coal burner is less than the second raw material
The bottom of the position of entrance, the dore furnace is additionally provided with tertiary air air inlet, and the position of tertiary air air inlet enters with the second raw material
The position height of mouth is equal;
The dust removal filter is set between C1 cyclone cylinders and reduction tower, and dust removal filter bottom and the bottom of reduction tower are all provided with
There are the powder transfer pipelines to dore furnace, ammonia spray nozzle is equipped at the top of the reduction top of tower and dore furnace, and restore tower
Outlet is connect with the top of dore furnace.
2. rotary kiln denitrification apparatus according to claim 1, which is characterized in that the kiln tail deduster is tubbiness, the kiln
Alternately it is equipped with annulus partition board and solid disk spacer in tail deduster successively along the flow direction of flue gas, and outside the annulus partition board
The diameter of ring and the internal diameter of kiln tail deduster match, and the diameter of the annulus partition board inner ring is more than the straight of the solid disk spacer
Diameter, and solid disk spacer and the concentric setting of annulus partition board.
3. rotary kiln denitrification apparatus according to claim 2, which is characterized in that the kiln tail deduster includes at least two
Annulus partition board and at least two solid disk spacers.
4. rotary kiln denitrification apparatus according to claim 3, which is characterized in that the kiln tail deduster is along flow of flue gas side
To tail portion be equipped at least one layer of wet sponge.
5. rotary kiln denitrification apparatus according to claim 1, which is characterized in that the outlet of the reduction tower and decomposition furnace roof
The connecting pipe in portion is equipped with wind turbine.
6. rotary kiln denitrification apparatus according to claim 1, which is characterized in that the number of the coal burner is at least
Two, and coal burner is distributed on the circumference for decomposing furnace bottom.
7. rotary kiln denitrification apparatus according to claim 1, which is characterized in that the kiln tail deduster and the chimney it
Between pipeline be equipped with NOxDetector and flue gas the escaping of ammonia detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721816625.0U CN207996557U (en) | 2017-12-22 | 2017-12-22 | A kind of cement rotary kiln denitrification apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721816625.0U CN207996557U (en) | 2017-12-22 | 2017-12-22 | A kind of cement rotary kiln denitrification apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN207996557U true CN207996557U (en) | 2018-10-23 |
Family
ID=63835590
Family Applications (1)
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| CN201721816625.0U Active CN207996557U (en) | 2017-12-22 | 2017-12-22 | A kind of cement rotary kiln denitrification apparatus |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108261843A (en) * | 2017-12-22 | 2018-07-10 | 成都京龙科技有限公司 | The efficiently quick device and method for reducing rotary kiln oxynitrides |
| CN110170239A (en) * | 2019-07-05 | 2019-08-27 | 山东泰溥建材科技有限公司 | A kind of system and method for realizing green denitration using dry technology for production |
| CN112500002A (en) * | 2020-08-05 | 2021-03-16 | 山东卓昶节能科技有限公司 | Denitration and consumption reduction system for greatly increasing yield of dry-process kiln without ammonia escape |
-
2017
- 2017-12-22 CN CN201721816625.0U patent/CN207996557U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108261843A (en) * | 2017-12-22 | 2018-07-10 | 成都京龙科技有限公司 | The efficiently quick device and method for reducing rotary kiln oxynitrides |
| CN110170239A (en) * | 2019-07-05 | 2019-08-27 | 山东泰溥建材科技有限公司 | A kind of system and method for realizing green denitration using dry technology for production |
| CN112500002A (en) * | 2020-08-05 | 2021-03-16 | 山东卓昶节能科技有限公司 | Denitration and consumption reduction system for greatly increasing yield of dry-process kiln without ammonia escape |
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