CN208567548U - A kind of carbon element rotary kiln calcining flue gas purification system - Google Patents
A kind of carbon element rotary kiln calcining flue gas purification system Download PDFInfo
- Publication number
- CN208567548U CN208567548U CN201721729220.3U CN201721729220U CN208567548U CN 208567548 U CN208567548 U CN 208567548U CN 201721729220 U CN201721729220 U CN 201721729220U CN 208567548 U CN208567548 U CN 208567548U
- Authority
- CN
- China
- Prior art keywords
- flue gas
- heat
- purification system
- rotary kiln
- waste heat
- 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
Links
Landscapes
- Treating Waste Gases (AREA)
Abstract
A kind of carbon element rotary kiln calcining flue gas purification system, the system comprises rotary kiln (1), cooling kiln (13) device for recovering tail gas, high temperature expansion chamber (2), tubular heat exchange device (3), gametic fertility device (4), waste heat boiler (5), spraying dedusting device (7), desulfurizer device (10), hot oil heater (6), flame filter press (9), smoke exhaust fan (11) and chimneys (12) etc..The flue gas of system rotary kiln (1) discharge first passes through high temperature expansion chamber (2) dedusting, flue-gas temperature is tentatively cooled to≤950 DEG C by pipe heat exchanger (3), flue gas enters gametic fertility reactor (4), heat is recycled by waste heat boiler (5) and hot oil heater (6) again, by waste heat boiler (5) tail gas, heat-conducting oil system (6) tail gas and cooling kiln (13) cooled flue gas are converged into spraying dedusting device (7), desulfurizer device (10), flue gas up to standard is finally sent to smoke exhaust barrel (12) by smoke exhaust fan (11) and is emptied.
Description
Technical field:
The utility model relates to a kind of carbon element rotary kiln calcining denitrating flue gas, desulfurization, dust pelletizing system and waste heat recycling benefits
Use system.
Background technique:
Domestic and international general calciner has at present: can-type calcine furnace, rotary kiln and electric heating calcining furnace.Wherein rotary kiln because
Have many advantages, such as that structure is simple, yield is big, mechanization degree is high and strong to adaptability to raw material and obtain in calcination process
It is widely used.
The calcining petroleum coke rotary kiln of carbon element factory passes through 1200~1300 DEG C of temperature lower calcination process, by preheating zone,
The volatile matter of burning zone and cooling zone, burning is largely escaped in burning zone, is being settled in the volatile matter of kiln tail and tiny carbon granules
Indoor secondary burning and sedimentation, carbon element factory pass through chimney after generally using waste heat boiler to carry out waste heat recycling and water film dedusting purification
Emptying.
In recent years, atmospheric haze aggravates with the raising to environmental requirement, amplify particularly with industrial rotary kiln fire grate
Gas pollutant requires more to require stringent, it has to undergo technological transformation to existing Industrial Stoves, reinforce industry kiln and discharge cigarette
The purifying processing device application of gas.
Utility model content:
It is returned the technical problem to be solved by the present invention is to provide a kind of carbon element rotary kiln flue gas purification system and containing waste heat
Receive the rotary kiln flue gas purification system for the system of utilizing.
In order to solve the above-mentioned technical problem, the utility model provides a kind of carbon element rotary kiln calcining flue gas purification system,
It is connected with rotary kiln (1), the purification system includes the expansion chamber (2) being connected with the rotary kiln (1) and the expansion chamber
(2) connected heat-exchanger rig (3), gametic fertility device (4), the waste heat boiler (5) for receiving heat-exchanger rig (3) water outlet, lead
Hot oil heating device (6), spraying dedusting device (7), desulfurizer device (10) and cooling kiln (13) and its device for recovering tail gas；Institute
Denitrification apparatus (4) are stated to be arranged between the heat-exchanger rig (3) and the waste heat boiler (5)；The hot oil heater
(6) one end is connected with the gametic fertility device (4)；Cooling kiln (13), waste heat boiler (5) and hot oil heater (6)
It is connected together with the spraying dedusting device (7)；Spraying dedusting device (7) is connected with desulfurizer device (10).
Further, further include dashpot (8) and flame filter press (9), the spray liquid of the spraying dedusting device (7) according to
Secondary to be filtered by dashpot (8) and flame filter press (9), filter residue returns to production system, and filtrate is transported to spraying and dedusting dress
It sets in (7) and continues cycling through.
Further, added with filter aid and dispersing agent in dashpot (8).
Further, filter aid and the dispersion of enhancing filter effect are added in the dashpot (8) in spraying dedusting device (7)
Agent, the filter aid and dispersing agent are selected from: diatomite, flyash, perlite, polyacrylamide, sodium pyrophosphate.
Further, desulfurizer device (10) uses double alkali method desulfurizing or wet process limestone desulfurization device, the top of tower
Steam recycling is carried out using three layers of demister.
Further, the conduction oil of waste heat boiler (5) generates initial steam, hot oil heater (6) heating, heat
It can be used for plant area's asphalt heating heating workshop section.
The utility model is using gametic fertility device (4), desulfurizer device (10), spraying dedusting device (7) to rotary kiln
Tail gas carry out the denitration, desulfurization, dust removal process；Flue gas is carried out further through waste heat boiler (5) and hot oil heater (6)
Heat exchange recycling heat, it is achieving environmental protection and energy saving.
Detailed description of the invention
1 pair of specific embodiment of the present utility model is described in further detail with reference to the accompanying drawing:
Fig. 1 is that the carbon element rotary kiln of the utility model calcines flue gas purification system schematic diagram.
In figure: 1 rotary kiln, 2 high temperature expansion chambers, 3 tubular heat exchange devices, 4 gametic fertility devices, 5 waste heat boilers, 6 is thermally conductive
Oil heating unit, 7 spraying dedusting devices, 8 dashpots, 9 flame filter presses, 10 desulfurizer devices, 11 smoke exhaust fans, 12 chimneys,
13 cooling kilns.
Specific embodiment:
A kind of carbon element rotary kiln calcines flue gas purification system as shown in Figure 1, which is connected with rotary kiln 1, it includes height
Warm expansion chamber 2, tubular heat exchange device 3, gametic fertility device 4, waste heat boiler 5, hot oil heater 6, spraying dedusting device
7, dashpot 8, flame filter press 9, desulfurizer device 10, smoke exhaust fan 11 and chimney 12, and equipped with device for recovering tail gas
Cooling kiln 13.The system is exchanged heat the flue gas of rotary kiln 1 and boiler water using heat-exchanger rig 3, and recycling heat simultaneously makes flue gas
Temperature decline.
The flue gas that rotary kiln 1 discharges in the system first passes through 2 dedusting of high temperature expansion chamber, and the flue dust of collection returns to production system
System, then flue-gas temperature is tentatively cooled to 800~950 DEG C by tubular heat exchange device 3, the flue gas after cooling uses high temperature cigarette
Air-tube type heat-exchanger rig 3 enters heat-exchanger rig 3 with boiler feed water and exchanges heat, and hot water removes waste heat boiler 5 again again after first heat exchange
Secondary heat exchange generates initial steam.
Flue gas after preliminary heat exchange enters gametic fertility device 4, and 4 position of gametic fertility device is before waste-heat recovery device
Flue on, using 15-30%, preferably 21% ammonium hydroxide quantify pressure spray into denitrification apparatus 4, which includes that ammonium hydroxide is deposited
Storage, ammonium hydroxide configuration, ammonium hydroxide conveying and ammonia water spraying device etc..Installation on-line monitoring flue gas before being exchanged heat by flue
NOxContent realizes the configuration diluted concentration of PLC control configuration ammonium hydroxide and the ammonia vol into denitration flusher according to value of feedback.
The temperature of denitration is controlled at 800~950 DEG C.Flue gas after spraying ammonia treatment is filled by waste heat boiler 5 and heat-conducting oil heating respectively again
6 pairs of heats are set to be recycled.Waste heat boiler 5 generates initial steam and uses for plant area；It is de- that hot oil heater 6 receives spray ammonia
A part of last row flue gas of nitre device 4 exchanges heat conduction oil and this part last row flue gas, and the conduction oil that is heated is dripped for plant area
Blueness heating workshop section uses.
The cooled flue gas of 5 tail gas of waste heat boiler, 6 tail gas of hot oil heater and cooling kiln 13 is converged into spraying and dedusting
Device 7.The cooled flue gas of cooling kiln 13 can introduce spraying dedusting device 7 by an air-introduced machine.7 top of spraying dedusting device
Equipped with, into flue gas, the absorption slurries of bottom flow automatically to dashpot 8 and are filtered processing in the middle part of demister, device.In order to reinforce
Effect is filtered, filter aid and dispersing agent, filter aid and dispersing agent are added in the dashpot 8 with stirring are as follows: diatomite, fine coal
Ash, perlite, polyacrylamide, sodium pyrophosphate etc..It is pumped into flame filter press 9 by conveying again to be filtered, filter residue returns
Production system, filtrate, which is transported in spraying dedusting device 7, continues cycling through use.
Desulfurizer device 10 can be using double alkali method desulfurizing technology (or using wet process limestone desulfurization tower technology), and tower top is adopted
Steam recycling is carried out with three layers of demister.Flue gas enters desulfurizer device from device bottom through flue.It is arranged in desulfurizer device
The mode of several layers (fixed as the case may be) spiral board, rotational flow plate device have good gas-liquid contact condition, spray from tower top
Under lye the SO so that in flue gas is atomized on spiral board2It fully absorbs, react with the lye of spray.It is filled through desulfurizing tower
Neat stress after setting 10 washings is dehydrated laggard smoke induced draught fan 11 by three layers of demister and enters atmosphere by chimney row 12.
Heat recovery of the improved system of the utility model to rotary kiln high-temperature flue gas, and realize flue gas denitration,
Desulfurization, dust separation, environmental requirement that is energy-saving and reaching flue gas emission.
Claims (7)
1. a kind of carbon element rotary kiln calcines flue gas purification system, it is connected with rotary kiln (1), which is characterized in that the purification system
Including the expansion chamber (2) being connected with the rotary kiln (1), the heat-exchanger rig (3), the gametic fertility that are connected with the expansion chamber (2)
Device (4), waste heat boiler (5), the hot oil heater (6), spraying dedusting device for receiving heat-exchanger rig (3) water outlet
(7), desulfurizer device (10) and cooling kiln (13) and its device for recovering tail gas；The denitrification apparatus (4) is arranged in the heat exchange
Between device (3) and the waste heat boiler (5)；One end of the hot oil heater (6) and the gametic fertility device (4)
It is connected；Cooling kiln (13), waste heat boiler (5) and hot oil heater (6) are connected with the spraying dedusting device (7) together；
Spraying dedusting device (7) is connected with desulfurizer device (10).
2. purification system according to claim 1, which is characterized in that it further include dashpot (8) and flame filter press (9),
The spray liquid of the spraying dedusting device (7) successively passes through dashpot (8) and flame filter press (9) is filtered, and filter residue returns
Production system, filtrate are transported in spraying dedusting device (7) and continue cycling through.
3. purification system according to claim 2, which is characterized in that added with filter aid and dispersion in the dashpot (8)
Agent.
4. purification system according to claim 2, which is characterized in that use heat-exchanger rig (3) by the flue gas of rotary kiln (1)
It exchanges heat with boiler water, recycling heat simultaneously declines flue-gas temperature.
5. purification system according to claim 2, which is characterized in that cooling flue gas carries out at denitration through denitrification apparatus (4)
Hot water exchanges heat again after reason, after last row flue gas enters waste heat boiler (5) and exchanges heat for the first time generates initial steam；It is filled using heat-conducting oil heating
(6) are set, makes a part of last row flue gas conduction oil from gametic fertility device (4) and recycles heat；The tail of waste heat boiler (5)
Tail gas and cooling kiln (13) tail gas after gas, hot oil heater (6) heat exchange, are removed into spraying dedusting device (7) together
Dirt processing, is discharged after carrying out desulfurization process using desulfurizer device (10).
6. purification system according to claim 2, which is characterized in that the desulfurizer device (10) uses double alkali method desulfurizing
Or wet process limestone desulfurization device, the top of tower carry out steam recycling using three layers of demister.
7. purification system according to claim 2, which is characterized in that initial steam that the waste heat boiler (5) generates, thermally conductive
The conduction oil of oil heating unit (6) heating, heat can be used for plant area's asphalt heating heating workshop section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721729220.3U CN208567548U (en) | 2017-12-13 | 2017-12-13 | A kind of carbon element rotary kiln calcining flue gas purification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721729220.3U CN208567548U (en) | 2017-12-13 | 2017-12-13 | A kind of carbon element rotary kiln calcining flue gas purification system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208567548U true CN208567548U (en) | 2019-03-01 |
Family
ID=65445967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721729220.3U Active CN208567548U (en) | 2017-12-13 | 2017-12-13 | A kind of carbon element rotary kiln calcining flue gas purification system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208567548U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108088271A (en) * | 2017-12-13 | 2018-05-29 | 北京铝能清新环境技术有限公司 | A kind of carbon element rotary kiln calcining flue gas purification system and its purification method |
-
2017
- 2017-12-13 CN CN201721729220.3U patent/CN208567548U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108088271A (en) * | 2017-12-13 | 2018-05-29 | 北京铝能清新环境技术有限公司 | A kind of carbon element rotary kiln calcining flue gas purification system and its purification method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108088271A (en) | A kind of carbon element rotary kiln calcining flue gas purification system and its purification method | |
| CN204593400U (en) | A kind of industry danger waste burning system of multiple physical states | |
| CN101445333B (en) | Method for calcining active lime by taking tail gas from sealing type calcium carbide furnace as fuel for rotary kiln | |
| CN109402399A (en) | The method for handling hazardous waste | |
| CN103193305B (en) | Drying production method and device for polyaluminium chloride water purifying agent | |
| CN108706784B (en) | System and method for treating sintering flue gas desulfurization and denitrification wastewater | |
| CN105509492B (en) | A kind of Alumina Rotary Kiln fume afterheat and CO2 recovery systems and method | |
| CN105688667A (en) | Method for carrying out denitration on sintering flue gas by utilizing sensible heat of blast furnace slag | |
| CN104896494A (en) | Afterheat recovery device applied to dry desulfurization technology | |
| CN102001837A (en) | Method and device for calcining materials by using low calorific value fuel | |
| CN207811301U (en) | A kind of high-salt wastewater burning desalting system | |
| CN102564149A (en) | Industrial kiln waste gas purifying and recovery process and industrial kiln waste gas purifying and recovery equipment | |
| CN109775785A (en) | A kind of high-salt wastewater burns desalting system and its processing method | |
| CN102235679A (en) | Dust removing device with wet and dry method combined mode | |
| CN208567548U (en) | A kind of carbon element rotary kiln calcining flue gas purification system | |
| CN205575906U (en) | Sludge drying system | |
| CN208320222U (en) | A kind of limekiln flue gas recirculation system | |
| CN109966814A (en) | A kind of processing unit for fire coal boiler fume | |
| CN105486096B (en) | A kind of residual-heat utilization method and device of indirect heating type sintering system | |
| CN110833763A (en) | Production process and equipment for burning, desulfurizing, dedusting and denitrifying organic flue gas | |
| CN109536699A (en) | Handle the device of hazardous waste | |
| CN109775786A (en) | A kind of high-salt wastewater burns desalting system and its processing method | |
| CN104164245A (en) | Dry distillation system and dry distillation process for solid thermal carriers | |
| CN211120700U (en) | Useless regeneration utilization processing system of aluminium oxide class industry solid useless danger | |
| CN113912261A (en) | Sludge treatment system and method combining drying and plasma gasification melting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |