CN207050427U - A kind of cement cyclone preheater kiln transform the device attachment structure of the outer nsp kiln of kiln as - Google Patents
A kind of cement cyclone preheater kiln transform the device attachment structure of the outer nsp kiln of kiln as Download PDFInfo
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- CN207050427U CN207050427U CN201720677471.5U CN201720677471U CN207050427U CN 207050427 U CN207050427 U CN 207050427U CN 201720677471 U CN201720677471 U CN 201720677471U CN 207050427 U CN207050427 U CN 207050427U
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- 239000004568 cement Substances 0.000 title claims abstract description 24
- 238000010438 heat treatment Methods 0.000 claims abstract description 43
- 238000004519 manufacturing process Methods 0.000 claims abstract description 24
- 239000000446 fuel Substances 0.000 claims abstract description 21
- 238000000354 decomposition reaction Methods 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims description 18
- 230000009466 transformation Effects 0.000 claims description 18
- 239000007789 gas Substances 0.000 claims description 17
- 239000002994 raw material Substances 0.000 claims description 10
- 230000001939 inductive effect Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 239000002912 waste gas Substances 0.000 claims description 3
- 239000003638 chemical reducing agent Substances 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 238000004868 gas analysis Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 14
- 235000012054 meals Nutrition 0.000 abstract description 7
- 239000000843 powder Substances 0.000 abstract description 6
- 230000009467 reduction Effects 0.000 abstract description 6
- 238000010304 firing Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 9
- 238000001354 calcination Methods 0.000 description 5
- 238000011161 development Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 238000007634 remodeling Methods 0.000 description 2
- RRNIZKPFKNDSRS-UHFFFAOYSA-N Bensulide Chemical compound CC(C)OP(=S)(OC(C)C)SCCNS(=O)(=O)C1=CC=CC=C1 RRNIZKPFKNDSRS-UHFFFAOYSA-N 0.000 description 1
- 230000018199 S phase Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The utility model discloses the device attachment structure that a kind of cement cyclone preheater kiln transform nsp kiln outside kiln as, it is characterised in that：Newly-built tertiary-air pipe (07), offline dore furnace (08), burner of decomposition furnace (09), Pyatyi pre-heating system (10), new high-temperature blower (11), three times gas at normal temperature analyzer (12), damper (13), high-temperature gas analyzer on the basis of original cyclone preheater rotary kiln line, new and old two sets of pre-heating system common services are in manufacture of cement.Need to stop for 8 months the kiln phase by original to foreshorten to 23 months；Save old preheater removal cost；The raw meal powder of old preheater is all delivered in offline dore furnace, and raw meal powder is entered into kiln resolution ratio using offline dore furnace brings up to kiln resolution ratio more than 90% by being decomposed in former whole kilns, and new preheater raw meal powder all enters in kiln via former kiln tail smoke-box.After cyclone preheater kiln is changed to nsp kiln, the fuel of former kiln hood 100% is reduced to 40%, reduces the growing amount of NOx under kiln hood hot environment, and this method quickly changes cement production process, realizes the volume increase of cement firing system, energy saving and emission reduction effects.
Description
Technical field
Cement kiln technological transformation, energy-saving and emission-reduction field are the utility model is related to, is preheated more particularly to a kind of cement whirlwind
Device kiln transform the device of the outer nsp kiln of kiln as.
Background technology
At present, the prevailing technology of manufacture of cement is the outer predecomposition production technology of new dry process rotary kiln, and the technique is from rotation
Wind preheater kiln technique passes through technology upgrading, in the world the region such as Russia, the Central Asia, Africa, however it remains one
The cement cyclone preheater kiln of fixed number amount, heat consumption, power consumption, the NOx discharge of this kind of kiln type are pre- far above new type nonaqueous cement
Decompose kiln；By the development in international cement market, cement preheater kiln progressively steps down from the stage of history at last, but is confined to work as districts and cities
The requirement of field occupation rate and cost of investment, owner can largely select the relatively low technological transformation side of one-time investment expense
Method, it for cement cyclone preheater kiln quick transformation is the outer nsp kiln of kiln that the utility model, which is, and the upgrading cycle is short, expense
Low, correctional effect is notable, and NOx discharge is greatly reduced.
It is short to transform the cycle：Method is used by the utility model：It is newly-built a set of pre- on the basis of original pre-heating system
Hot device decomposition furnace system, is used in combination with existing pre-heating system, and from the time, newly-built process can persistently transport in existed system
Built between the departure date, construction period does not influence existing market, can keep market stability, is organized during manufacture of cement dull season overhauls
The overlap joint work of new legacy system, therefore slitless connection can be accomplished for time and market efficiency, reduction stops the kiln cycle, typically
For the mating operation of new legacy system can be completed in stop production to overhaul 2-3 months, saved for owner and largely stop the kiln time.
Improvement expenses is low：Traditional remodeling method needs to remove old pre-heating system, so removes not only costly, the cycle
Also longer, the utility model not only avoids the dismounting work of old pre-heating system, saves removal cost and removes the time, more
It is important that production line continuous running, maintains normal market supply.
NOx discharge is greatly reduced：100% fuel is sent into system by conventional pre-heater kiln by rotary kiln end, in kiln
Flood tide NOx is produced under head height temperature calcination condition, environment is affected greatly, the utility model will draw kiln hood tertiary air to offline
Furnace bottom injection is decomposed, 60% fuel is sent into offline dore furnace burns, because of the fuel combustion heat release in offline dore furnace and original
Material decomposes endothermic process intertexture and carried out, therefore furnace temperature is can be controlled within 900 DEG C, burning situation of 1500 DEG C compared to kiln hood, heat
Exponentially type reduces power type NOx yield.Farthest reduce NOx discharge.
Utility model content
The purpose of this utility model is to design the device that a kind of cement cyclone preheater kiln transform the outer nsp kiln of kiln as
Attachment structure, by outer precalcining system of newly putting up a kiln on the basis of original preheater kiln, new legacy system is had within the shortest time
Machine merges, by changing the distribution of system wind, coal, material, so as to the disintegration of raw material is placed in newly-built offline dore furnace,
One side kiln fuel dosage is reduced to 40% by 100%, significantly reduces the thermic load of rotary kiln, reduces rotary kiln heat waste
Lose；Also exponentially type reduction is greatly reduced because of kiln hood fuel quantity in another aspect NOx yields.Realize the energy-conservation of firing system
Emission reduction targets.New and old two sets of pre-heating system common services are in manufacture of cement.Need to stop for 8 months the kiln phase by original to foreshorten to 2-3 months；
Save old preheater removal cost；The raw meal powder of old preheater is all delivered in offline dore furnace, will using offline dore furnace
Raw meal powder enters kiln resolution ratio and brings up to kiln resolution ratio more than 90% by being decomposed in former whole kilns；New preheater raw meal powder all passes through
Entered by former kiln tail smoke-box in kiln.After cyclone preheater kiln is changed to nsp kiln, the fuel of former kiln hood 100% is reduced to 40%,
The growing amount of NOx under kiln hood hot environment is reduced, this method quickly changes cement production process, realizes that cement firing system increases
Production, energy saving and emission reduction effects.
In order to realize above-mentioned target, the newly-built offline dore furnace pre-heating system of the utility model includes：It is tertiary-air pipe, offline
Dore furnace, burner of decomposition furnace, pre-heating system, high-temperature blower etc..
The tertiary-air pipe in the perforate of former grate-cooler front end, it is necessary to take wind to lead to offline decomposition furnace bottom.New preheater system
System is by the independent air inducing of high-temperature blower.
Material after newly-built pre-heating system pre-heating temperature elevation, is sent into the middle part of offline dore furnace with by kiln tail feed system
Portion, most of material deliver to offline dore furnace bottom, and middle part pan feeding is only used for adjusting bottom and middle part furnace temperature balance；Divide in stove
After solution material enters pre-heating system with the wind, separated material delivers to old system kiln tail smoke-box, is carried out hence into rotary kiln
Clinker burning.Material can be delivered to offline dore furnace and carry out pyrolytic, then sent by original pre-heating system material after preheating
Enter calcined by rotary kiln, so as to realize the characteristics of new and old preheater shares offline dore furnace, ensure that into kiln raw material be all by high temperature
After decomposition, meet that rotary kiln enters kiln resolution ratio, reduce workload used in being decomposed in kiln.Thus, original rotary kiln rotating speed is meeting
It on the premise of grate-cooler cooling condition, can greatly improve, reach and put forward production synergy, the purpose for the emission reduction that lowers consumption.
The beneficial effects of the utility model are：
1. one-time investment expense is low：It is that each owner needs emphasis to consider be also project whether can be smooth on investment
The key factor of development.The characteristics of the utility model is one-time investment as thrifty as possible, retains original pre-heating system, i.e.,
Save original system removal cost, it is only necessary to consider to build and transform overlap joint expense, so that in one-time investment cost significantly
The expense of traditional improvement project is reduced, one-time investment is saved for owner.
2. transformation stops kiln short time limit：The utility model is as it was previously stated, 90% work is not influence the feelings of old line production
Build what is formed under condition, the old and new's line overlap joint work of residue 10% quick lap joint need to only finish during kiln maintenance is stopped, so that will
Traditional transformation project transformation cycle time of 8 months as long as is completed to stopping kiln in 2-3 months, is saved transformation and is stopped firer's phase.
3. propose production synergy：The old and new's pre-heating system merges, and the raw material after preheating enter offline dore furnace, it is ensured that enter kiln
Raw material are entirely after pyrolytic, and meal calcining rate is substantially improved to more than 90% by original less than 10%, is being dropped
In low rotary kiln while disintegration, institute's calorific requirement can also be greatly reduced in kiln, it is only necessary to meet clinker burning, by decomposing
Amount of heat is needed to move in offline dore furnace, rotary kiln thermic load is greatly reduced, and not only the service life of refractory material can extend,
Because the pure calcination time of clinker is shorter, rotary kiln rotating speed can be allowed to be improved by former 2rpm to 4rpm, namely rotary kiln yield
It can be doubled and redoubled in theory.
4. energy-saving and emission-reduction：In terms of NOx abatement, due to changing calcine technology, equipment function, revolution originally specify that
Kiln is because undertaking calcining and decomposing two functions, it is necessary to which enough heats meet calcining and decompose two heat demands；This practicality is new
Maturation process of the type by preheater kiln fast transition for nsp kiln outside kiln, on the one hand reduces the heat radiation of rotary kiln, reduces
Thermal loss, on the other hand reduces heating power NOx yield, total emission volumn is significantly reduced from source, so as to reach
To the purpose for reducing system NOx emission.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
In Fig. 1：Primary producing line equipment has：Grate-cooler (01)；Rotary kiln burner (02)；Rotary kiln (03)；Kiln tail smoke-box
(04)；Pre-heating system (05)；Old high-temperature blower (06)；
The equipment that the utility model newly increases has：Tertiary-air pipe (07)；Offline dore furnace (08)；Burner of decomposition furnace
(09)；Pyatyi pre-heating system (10)；New high-temperature blower (11)；Gas at normal temperature analyzer (12)；Damper (13) three times；High temperature
Gas analyzer (14).
Embodiment
The utility model is described in further details below in conjunction with the drawings and specific embodiments：
The utility model provides the device attachment structure that a kind of cement cyclone preheater kiln transform the outer nsp kiln of kiln as,
As shown in figure 1, old system includes grate-cooler (01)；Rotary kiln burner (02)；Rotary kiln (03)；Kiln tail smoke-box (04)；Preheating
Device system (05)；Old high-temperature blower (06).The equipment newly increased is tertiary-air pipe (07)；Offline dore furnace (08)；Dore furnace fires
Burner (09)；Pyatyi pre-heating system (10)；New high-temperature blower (11)；Gas at normal temperature analyzer (12)；Damper (13) three times；
High-temperature gas analyzer (14).Remodeling method described in the utility model is the interconnection structure of new and old device：Grate-cooler
(01) linked together with rotary kiln (03) by nonstandard kiln head cover flange, kiln head cover is as clinker and hot-air channel；Rotary kiln
Burner (02) is connected by the burner aperture flange on kiln head cover, into rotary kiln (03) kilneye；Kiln tail smoke-box (04) conduct
The connection of rotary kiln (03) and pre-heating system (05) is nonstandard, welding link, receives preheater (05) and newly-built Pyatyi preheater
System (10) supplied materials, also serve as the hot-air channel that rotary kiln (03) enters preheater (05)；High-temperature blower (06) and preheater system
System (05) is connected by big nonstandard pipe flange, and whole system is provided with wind and negative pressure by high-temperature blower (06)；Tertiary-air pipe
(07) grate-cooler (01) and offline dore furnace (08) are welded to connect, tertiary-air pipe (07) is welded to connect to grate-cooler (01) front end,
Extracting high-temperature tertiary air delivers to offline dore furnace (08) bottom；Burner of decomposition furnace (09) is fixed on offline dore furnace with sleeve pipe
(08) bottom, flange connection, as offline dore furnace fuel inlet；New Pyatyi pre-heating system (10) and offline dore furnace (08)
It is welded to connect, the gas of offline dore furnace (08) passes through new Pyatyi pre-heating system (10)；Improved system wind and negative pressure
Controlled by new high-temperature blower (11)；Kiln is balanced with wind, the damper three times (13) being connected to by flange in tertiary-air pipe (07)
Control；Coordinate flange connection, the high-temperature gas analyzer (13) for being installed on kiln tail smoke-box (04) connects with flange, is installed on Pyatyi
O2, CO, NOx content measured by the gas at normal temperature analyzer (12) of pre-heating system (10) outlet control high-temperature blower (11)
The aperture of frequency and three times damper (13).
Wherein 01~06 is primary producing line equipment, and 07~14 is newly-built equipment.Pyatyi five is completed in old line production process
Level pre-heating system (10), offline dore furnace (08) and structural framing making, install, build work by laying bricks or stones；After kiln is stopped, tissue is new
The overlap joint work of legacy system.The overlap joint work includes following several：
1) wind system overlaps：The tertiary-air pipe (07) of new production installation needs to overlap with grate-cooler (01), in grate-cooler
(01) front end perforate takes wind, and offline dore furnace (08) bottom is led to as tertiary air；It is Pyatyi Pyatyi pre-heating system (10), offline
Dore furnace (08) system air quantity number be by burner of decomposition furnace (09) outlet gas at normal temperature analyzer (12) show
O2Content and CO contents are judged；Simultaneously for kiln tail smoke-box necking, 100% whole waste gas will be by this in original system
Necking, and after transforming, the necking of kiln tail smoke-box needs to determine sectional dimension according to controlled wind speed, so as to balance two tertiary air dosages.
Electric gate valve (13) is set in tertiary-air pipe (07), and for controlling tertiary air dosage, the foundation that controls of tertiary air dosage is kiln tail
The O of high-temperature gas analyzer (14) display of smoke-box (04)2Content, CO contents, NOx content.Adjust tertiary air electric gate valve
(13) controlled to high-temperature gas analyzer (14) O2 contents in 2-3%, by testing repeatedly, electric gate valve (13) can be fixed
Aperture.Pyatyi pre-heating system (10), offline burner of decomposition furnace (09) are by new high-temperature blower (10) independent air inducing, transformation
Preceding pre-heating system (05) is by old high-temperature blower (06) air inducing.
2) fuel system overlaps：Original system fuel fully enters kiln hood, needs to reconfigure kiln head and tail fuel after transformation
Ratio, according to the fuel planning of kiln hood 40%, rotary kiln burner (02) is adjusted again, former 100% fuel is reduced to 40% combustion
Material.Newly-increased offline burner of decomposition furnace (09) undertakes 60% fuel.
3) material system overlaps：Raw material from kiln tail feed system are sent into Pyatyi pre-heating system (10), by Pyatyi
After pre-heating system (10) and offline dore furnace (08), it is sent into by the kiln tail smoke-box (04) of legacy system in rotary kiln (03).It is old pre-
Hot device system (05) material preheating after deliver to offline dore furnace (08), the raw material after pyrolytic via legacy system kiln tail
Smoke-box (04) enters rotary kiln (03).Because 90% task resolution is completed in the offline dore furnace (08), in kiln, thermic load is significantly
Reduce, on the premise of the same clinker burning time, rotary kiln rotating speed can be greatly improved so that decomposed into rotary kiln
Raw material avoid clinker burning quickly through clinkering zone.Therefore the transmission system of corresponding transformation rotary kiln (03) is, it is necessary to according to production
Amount reconfigures motor reducer, it is ensured that kiln speed can meet amended yield, to meet clinker in kiln residence time
It is required that；In addition because kiln speed is lifted, it is necessary to transform the adaptability of grate-cooler (01) after the lifting of kiln yield, it is ensured that improved ripe
Material reaches 40t/m3 film-cooled heats, to meet the extremely cold demand of clinker.
Embodiment：
Certain cement plant firing system technological transformation project, rotary kiln specification φ 5x75m, kiln tail is using 4 grades of preheatings of bi serie
Device, no dore furnace, clinker production capacity 2000tpd；At home, φ 4.8x72m rotary kiln, Pyatyi preheater band dore furnace,
Standard configuration clinker is 5000tpd；The production line is the production line of 1970, in the age that wet-process cement technique at that time is prevailing,
2000tpd dry method preheaters have been the production technologies taken its place in the front ranks of the world；It is placed on and does technological transformation today after half a century, with
Cement industry technological progress, preheater kiln represents an epoch, and current nsp kiln is raw as main flow, its specific yield
Heat production consumption, disposal of pollutants etc. made up city by the technology development full maturity, but completing technology transformation in a short time of 40 years
Field blank is the matter of utmost importance that each owner needs to consider, therefore the side in the utility model puts preheater and is applied to this
Mesh, while the comprehensive reformations such as raw material grinding system, grate-cooler system, rotary kiln transmission transformation are configured with, the system of putting changes by preheater
Make and last 3 months and complete, remaining system reform was completed whole technology after 6 months and changed because to remove, be newly-built etc. to integrate
Task is made, system throughput is promoted to the 4500tpd of contract requirement by 2000tpd, and production heat consumption is ripe by original 820kcal/kg
Material, is down to 750kcal/kg clinkers；NOx discharge is reduced to 700mg/Nm3, clinker unit waste gas by original 1500mg/Nm3
Amount is by former 2.0Nm3/kg, near 1.6Nm3/kg.The project reduces the disposable of original old pre-heating system from investment and torn open
Expense is moved, only preheater transforms one on the time, is completed by near 3 months 8 months just produced, and conventional pre-heater is built most long
Cycle is greatly reduced, and the time of saving is used for the technological transformation for completing critical circuits, is established so as to shorten for the duration of project really
Basis is determined.
Claims (4)
1. a kind of cement cyclone preheater kiln transform the device attachment structure of the outer nsp kiln of kiln as, it is characterised in that：Original
Newly-built tertiary-air pipe (07) on the basis of cyclone preheater rotary kiln production line, offline dore furnace (08), burner of decomposition furnace (09),
Pyatyi pre-heating system (10), new high-temperature blower (11), three times gas at normal temperature analyzer (12), damper (13), high-temperature gas
Analyzer (14)；Grate-cooler (01) and rotary kiln (03) are linked together by nonstandard kiln head cover flange, and kiln head cover is as clinker
And hot-air channel；Rotary kiln burner (02) is connected by the burner aperture flange on kiln head cover, into rotary kiln (03) kilneye；
Kiln tail smoke-box (04) is nonstandard as the connection of rotary kiln (03) and pre-heating system (05), welding link, receives pre-heating system
(05) lead to newly-built Pyatyi pre-heating system (10) supplied materials, the hot blast for also serving as rotary kiln (03) into pre-heating system (05)
Road；High-temperature blower (06) and pre-heating system (05) connects by big nonstandard pipe flange, the use wind of whole system and negative pressure by
High-temperature blower (06) provides；Tertiary-air pipe (07) is welded to connect grate-cooler (01) and offline dore furnace (08), tertiary-air pipe (07)
It is welded to connect to grate-cooler (01) front end, extracting high-temperature tertiary air delivers to offline dore furnace (08) bottom；Burner of decomposition furnace
(09) offline dore furnace (08) bottom, flange connection, as offline dore furnace fuel inlet are fixed on sleeve pipe；New Pyatyi preheating
Device system (10) is welded to connect with offline dore furnace (08), and the gas of offline dore furnace (08) passes through new Pyatyi pre-heating system
(10)；Improved system wind and negative pressure are controlled by new high-temperature blower (11)；Kiln is balanced with wind, is connected to three times by flange
Damper three times (13) control on airduct (07)；Coordinate flange connection, be installed on the high-temperature gas analysis of kiln tail smoke-box (04)
Instrument (14) connects with flange, is installed on the O measured by the gas at normal temperature analyzer (12) of Pyatyi pre-heating system (10) outlet2、
CO, NOx content control new high-temperature blower (11) frequency and the three times aperture of damper (13).
A kind of 2. attachment structure described in claim 1, it is characterised in that：The tertiary-air pipe that wind system overlap joint is installed for new production
(07) need to overlap with grate-cooler (01), in grate-cooler (01), front end perforate takes wind, and offline dore furnace is led to as tertiary air
(08) bottom；Pyatyi Pyatyi pre-heating system (10), offline dore furnace (08) system air quantity number be by dore furnace burn
The O of gas at normal temperature analyzer (12) display of device (09) outlet2Content and CO contents are judged；Simultaneously for kiln tail smoke-box
Necking, 100% whole waste gas will be by the necking in original system, and the necking of kiln tail smoke-box needs determine section according to controlled wind speed
Chi；Electronic damper three times (13) is set in tertiary-air pipe (07), for controlling tertiary air dosage, the control of tertiary air dosage
The O shown according to the high-temperature gas analyzer (14) for kiln tail smoke-box (04)2Content, CO contents, NOx content；Adjust tertiary air
Gate valve (13) is to high-temperature gas analyzer (14) O2Content controls the aperture that in 2-3%, can fix electric gate valve (13)；Five
Level pre-heating system (10), offline burner of decomposition furnace (09) are by new high-temperature blower (11) independent air inducing, the preheating before transformation
Device system (05) is by old high-temperature blower (06) air inducing.
A kind of 3. attachment structure described in claim 1 or 2, it is characterised in that：Fuel system overlap joint is whole for original system fuel
Enter kiln hood, need to reconfigure kiln head and tail fuel ratio after transformation, according to the fuel planning of kiln hood 40%, adjust rotary kiln again
Burner (02), former 100% fuel is reduced to 40% fuel, newly-increased offline burner of decomposition furnace (09) undertakes 60% combustion
Material.
A kind of 4. attachment structure described in claim 1 or 2, it is characterised in that：Material system overlap joint is from kiln tail feeding system
The raw material of system are sent into Pyatyi pre-heating system (10), after Pyatyi pre-heating system (10) and offline dore furnace (08), by old
The kiln tail smoke-box (04) of system is sent into rotary kiln (03)；Offline dore furnace is delivered to after the material preheating of pre-heating system (05)
(08), the raw material after pyrolytic enter rotary kiln (03) via the kiln tail smoke-box (04) of legacy system；Corresponding transformation revolution
The transmission system of kiln (03) according to yield, it is necessary to reconfigure motor reducer, and transform the adaptability of grate-cooler (01), really
Protect improved clinker and reach 40t/m3Film-cooled heat.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110006246A (en) * | 2019-03-22 | 2019-07-12 | 北京科太亚洲生态科技股份有限公司 | A kind of device and method of disposal using rotary kiln preheating raw material disposition waste |
| CN112654590A (en) * | 2019-08-12 | 2021-04-13 | 天津水泥工业设计研究院有限公司 | Cement kiln system capable of adjusting CO2 enrichment amount and improved by online decomposing furnace and using method thereof |
| CN113670069A (en) * | 2021-08-27 | 2021-11-19 | 中材建设有限公司 | Low CO2Partial pressure environment cement firing system and cement clinker preparation method |
| CN114739163A (en) * | 2022-04-27 | 2022-07-12 | 南京凯盛国际工程有限公司 | Carbon dioxide enrichment system for cement industry and process principle thereof |
-
2017
- 2017-06-12 CN CN201720677471.5U patent/CN207050427U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110006246A (en) * | 2019-03-22 | 2019-07-12 | 北京科太亚洲生态科技股份有限公司 | A kind of device and method of disposal using rotary kiln preheating raw material disposition waste |
| CN110006246B (en) * | 2019-03-22 | 2023-10-17 | 北京科太亚洲生态科技股份有限公司 | Device and method for disposing waste by preheating raw materials through rotary kiln |
| CN112654590A (en) * | 2019-08-12 | 2021-04-13 | 天津水泥工业设计研究院有限公司 | Cement kiln system capable of adjusting CO2 enrichment amount and improved by online decomposing furnace and using method thereof |
| CN112654590B (en) * | 2019-08-12 | 2022-07-01 | 天津水泥工业设计研究院有限公司 | Cement kiln system capable of adjusting CO2 enrichment amount and improved by online decomposing furnace and using method thereof |
| CN113670069A (en) * | 2021-08-27 | 2021-11-19 | 中材建设有限公司 | Low CO2Partial pressure environment cement firing system and cement clinker preparation method |
| CN113670069B (en) * | 2021-08-27 | 2023-09-19 | 中材建设有限公司 | Low CO 2 Partial pressure environment cement firing system and cement clinker preparation method |
| CN114739163A (en) * | 2022-04-27 | 2022-07-12 | 南京凯盛国际工程有限公司 | Carbon dioxide enrichment system for cement industry and process principle thereof |
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