CN109000225A - A kind of cement kiln combustion device intelligence is reciprocal to adjust device and its application - Google Patents
A kind of cement kiln combustion device intelligence is reciprocal to adjust device and its application Download PDFInfo
- Publication number
- CN109000225A CN109000225A CN201810979198.0A CN201810979198A CN109000225A CN 109000225 A CN109000225 A CN 109000225A CN 201810979198 A CN201810979198 A CN 201810979198A CN 109000225 A CN109000225 A CN 109000225A
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- China
- Prior art keywords
- kiln
- burner
- intelligence
- moving trolley
- cement
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- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D1/00—Burners for combustion of pulverulent fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C5/00—Disposition of burners with respect to the combustion chamber or to one another; Mounting of burners in combustion apparatus
- F23C5/02—Structural details of mounting
- F23C5/06—Provision for adjustment of burner position during operation
Abstract
The present invention relates to a kind of reciprocal adjustment device burner of the intelligence of cement kiln combustion device and its applications, are suitable for the various kiln types of new dry process rotary kiln.The burner includes the moving trolley being arranged on guide rail, coal injection pipe is supported above moving trolley, the front end of coal injection pipe is flame hole, in through kiln, rear end is respectively equipped with coal powder entrance, quiet wind entrance, interior wind entrance, it is equipped with the reciprocal adjustment device of intelligence between moving trolley front end and wicket cover outer wall, back and forth can uniformly be moved with controlling moving trolley in the operating condition.The utility model has the advantages that can realize that cement kiln combustion device flame area continuously and uniformly moves back and forth in kiln, height temperate zone in kiln is set to keep stable length range, kliner coating, which hangs ground, reasonable thickness and length, avoid ring formation phenomenon, refractory brick service life is greatly improved, the workload of live post personnel is also reduced.
Description
Technical field
The present invention relates to cement kiln combustion device, the reciprocal adjustment device burner of the intelligence of specially a kind of cement kiln combustion device
And its application, it is suitable for the various kiln types of new dry process rotary kiln, the automatic continuous reciprocal adjusting transformation of various burners.
Background technique
With the continuous development of Cement Industry, cement production capacity constantly expands, and cement output is according to the first in the world, out
Showing serious surplus, consequent is that energy consumption consumption is big, and environmental protection pressure is big, and each cement production enterprise is also in drop production capacity, consumption reduction,
It adopts various measures and realizes energy-saving and emission-reduction, reduce the consumption of coal, reduce the discharge capacity of various Litters.Cement kiln is with burning of coal
It is realized by burner, therefore the superiority and inferiority of burner, the variation of burner position is adjusted, the variation to height temperate zone position,
To the thickness that height temperate zone kiln is hung, length has conclusive influence.To which to kiln service life, the service life of refractory brick has very big
It influencing, the interior refractory brick for building same quality of kiln, burner adjusting is proper in time, and kliner coating is hung moderate in kiln, and maintenance is proper to arrive,
Kiln clinkering zone brick can be used continuously 10-12 months, if burner adjusts discomfort, position is improper, will cause various techniques in kiln
Problem reduces the operation cycle of kiln, and some 5-6 months, or even burnt out kiln refractory brick less than one month, it is necessary to stop kiln and change brick,
It loses larger, influences to produce.Currently, the burner used on various cement kilns, whether single air duct, double air ducts, three air ducts,
With other multiple ducts, burner is all by the raw producer's production of equipment, according to the configuration of the production capacity of cement production enterprise, combustion in four air ducts
Burner moves in and out in kiln to be realized by manually operated, this discontinuous, non-uniform moment intermittent movement, no
Being able to achieve burner, continuous uniform moves back and forth in the operating condition, causes kiln flame high temperature dot relatively fixed, corresponding
Refractory brick is easy to burn out.This is a big defect of current all burners, because producing the producer of burner, from plant machinery principle
Aspect, thoroughly to equipment research essence, but in the calcination process of cement production enterprise, calcine technology requires the operation of burner little
Solution, especially current high quality development, it is refinement first, only cement production enterprise is in reality that fine-grained management is being done by enterprise
Trample the effect that middle understanding cement kiln combustion device is back and forth intelligently adjusted.
Summary of the invention
The burner that it is an object of the invention to back and forth be adjusted by intelligence under setting working condition, realizes cement kiln combustion
Device flame area continuously and uniformly moves back and forth in kiln, and height temperate zone in kiln is made to keep stable length range, clinkering zone fire point
It is equipped with a stable variation range, hangs kliner coating uniform and stable, there is reasonable thickness and length, be unlikely to because burner is unexpected
It removes, shift-in causes kliner coating to peel off suddenly, gage distortion, while reducing because coal ash falls to same position for a long time, and occurs
Ring formation phenomenon, and can avoid refractory brick caused by due to fire point long-time is uneven in same position and fire point movement and use the longevity
Life shortens phenomenon, to extend refractory brick service life, reduces production cost.In addition, also reducing the work of live post personnel
It measures, reduces operation difficulty degree, avoid the interference of human factor, realizing burner can be intelligent toward polyphony in kiln
Section.
The technical scheme adopted by the invention is as follows: a kind of reciprocal adjustment device of cement kiln combustion device intelligence, the burner
Including the moving trolley being arranged on guide rail, coal injection pipe is supported above moving trolley, the front end of coal injection pipe is flame hole, and go directly kiln
Interior, rear end is respectively equipped with coal powder entrance, quiet wind entrance, interior wind entrance, sets between moving trolley front end and wicket cover outer wall
There is the reciprocal adjustment device of intelligence, back and forth can uniformly be moved with controlling moving trolley in the operating condition.
It is intelligent control hydraulic piston device, including hydraulic power unit, PLC intelligent control system that the intelligence, which back and forth adjusts device,
System, hydraulic cylinder top thick stick, support, the hydraulic piston device one end is fixed, and one end is connect with burner moving trolley on the support,
PLC intelligence control system controls hydraulic power unit work, and hydraulic power unit control hydraulic cylinder mandril moves back and forth and burner is driven to make
It is synchronous to be moved forward and backward.
General drop, the reciprocating movement distance of hydraulic cylinder top thick stick are set as 400--600mm, are preferred with 500mm.
A kind of cement rotary kiln, it is characterised in that used the above-mentioned reciprocal adjustment device of cement kiln combustion device intelligence.
A kind of method of rotary kiln production cement, increases reciprocal adjustment mechanism and intelligent control on the basis of ordinary burner
System realizes that moving trolley back and forth can be moved uniformly in the operating condition, to drive kiln endogenous fire point position continuous uniform to adjust.
The reciprocal adjustment device be intelligent control hydraulic piston device, including hydraulic power unit, PLC intelligence control system,
Hydraulic cylinder top thick stick, support, the hydraulic piston device one end is fixed on the support, and one end is connect with burner moving trolley, PLC intelligence
It can control system control hydraulic power unit work, before hydraulic power unit control hydraulic cylinder mandril moves back and forth and burner is driven to synchronize
After move.
Substantially, the method is characterized in that on the basis of a kind of now burner, increase hydraulic reciprocating mechanism (hydraulic cylinder),
Top thick stick one end of hydraulic cylinder is fixed, and one end is connect with burner moving trolley on the support, when hydraulic cylinder moves back and forth, band
Dynamic burner makees synchronizing moving, according to process requirement, stroke and oscillation cycle is arranged, hydraulic pump provides power, motor band hydrodynamic
Press pump.The stroke of general hydraulic cylinder is 400-600mm, is set as 500mm in our practices.It can arbitrarily set within this range,
The period of one stroke any as needed in 8 hours can set, and stroke is located in 300 at present, and the period is located at 4 hours, warp
It crosses it was verified that working well.
The new dry process device therefor includes that φ 5 × 60m Pyatyi revolves floating nsp kiln, and clinker cooling uses step-by-step movement
TCFC5500 grate cooler.
The new dry process controls technological parameter are as follows: decomposing kiln head temperature is 880 DEG C -895 DEG C, enters kiln meal calcining rate
Stablize 92% -95%.；1100 DEG C -1200 DEG C of kiln tail smoke-box temperature；Grate cooler operation, thickness of feed layer are maintained at
350mm -400mm guarantees that into kiln secondary air temperature, wind-warm syndrome is at 850 DEG C -950 DEG C three times at 1100 DEG C -1180 DEG C；Head coal ratio
Example is in 38%-42%, and tail coal ratio is in 58%-62%.The dore furnace head temperature Optimal Control value is 880 DEG C -900 DEG C.
The control of the new dry process technique, following manufacturing parameter carries out centralized control in central control room using microcomputer:
The temperature of each measuring point of preheater, pressure, flow, each valve；Kiln revolving speed, raw material discharge quantity, kiln hood feed coal amount, dore furnace feeds coal
Amount, blower pressure, air quantity, each post host equipment start-stop.
The utility model has the advantages that the design can realize that cement kiln combustion device flame area continuously and uniformly moves back and forth in kiln, make kiln
Interior height temperate zone keeps stable length range, and clinkering zone fire point is equipped with a stable variation range, so that kliner coating is hung ground uniformly steady
It is fixed, there are reasonable thickness and length, be unlikely to remove suddenly because of burner, shift-in causes kliner coating to peel off suddenly, gage distortion, together
When reduce because coal ash falls to same position for a long time, and there is ring formation phenomenon, and can avoid because fire point is for a long time in same
Refractory brick reduced service life phenomenon caused by position and the movement of fire point unevenly, thus extend refractory brick service life, drop
Low production cost.In addition, also reducing the workload of live post personnel, reduce operation difficulty degree, avoid it is artificial because
The interference of element, realize burner intelligently can back and forth be adjusted in kiln.
2018, conquered east Zhong Lian beautiful scenery Cement Co., Ltd, produces 5500t/d new type nonaqueous cement production line daily, is one
5 × 60m of φ, two grades of rotary furnaces, match bi serie Pyatyi pre-heating system, TDF dore furnace, and it is pure to configure 8MW for forth generation grate cooler
Low-temperature waste heat power generation system, the four-air channel coal burner produced using Tianjin bodyguard name always since operation, though this burner has certainly
Burner is only promoted in kiln when start-stop kiln and pulls out kiln external application by band moving trolley, and usually mobile is also moment mobile one
Under, according to production needs, especially during just opening kiln and hanging kliner coating, needs burner to move back and forth in a certain range, be convenient for
Kliner coating is hung uniform, is also unlikely to ring formation phenomenon occur.Stopped the machine of kiln maintenance from 2018, our companies oneself have been transformed this
Burner, realizes the reciprocal continuous moving of intelligence, and the length of kliner coating is reduced to 27 meters, kliner coating thickness is even and regular by original 30 meters
In, kiln electric current drops to 750-850 by original 900-1000, the operating load of kiln is alleviated, while kiln body surface temperature is uniform,
Without overheating and crossing low spot, reduce radiation loss, while kiln raw material inventory is increased to 395t/h, clinker mark by the 385 of last month
Consumption drops to 102.8kg/t, clinkersintering Quality advance by original 103.3kg/t, and 3 days intensity of clinker is improved by 31.9MPa
To 32.8Pa, clinker presentation quality improves, and it is bad often to occur kiln ventilation because kliner coating is blocked up originally, gold zone material problem once occurs,
Existing kiln ventilation improves, and solves the problems, such as gold zone material.Good economic benefits are not only received, while also achieving good energy-saving ring
Protect effect.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings.
Fig. 1 is the reciprocal adjustment apparatus structure schematic diagram of cement kiln combustion device intelligence of the invention；
Fig. 2 is the reciprocal adjustment device scheme of installation of cement kiln combustion device intelligence；
Fig. 3 is the cement kiln combustion device scheme of installation of the prior art.
In figure, 1. rotary kilns, 2. wicket covers, 3. coal injection pipes, 4. quiet wind entrances, 5. quiet wind entrances, 6. coal powder entrances, in 7.
Wind entrance, 8. hydraulic pumps, 9. control devices, 10. counterweights, 11. supports, 12. struts, 13. hydraulic stems, 14. hydraulic cylinders, 15. lead
Rail, 16. limited blocks, 17. probes, 18. limited blocks.
Specific embodiment
A kind of reciprocal adjustment device of cement kiln combustion device intelligence, the burner include that the movement that is arranged on guide rail 15 is small
Vehicle 19, moving trolley 19 support coal injection pipe above, and the front end of coal injection pipe is flame hole, go directly in kiln, rear end is respectively equipped with coal
Powder entrance, quiet wind entrance, interior wind entrance, being equipped between moving trolley front end and wicket cover outer wall continuously can back and forth adjust movement
The mechanical speed-control device of trolley.
The mechanical speed-control device be hydraulic piston device, including hydraulic pump, PLC intelligence control system, hydraulic cylinder top thick stick,
Support, top thick stick one end of hydraulic cylinder is fixed on the support, and one end is connect with burner moving trolley, PLC intelligence control system control
Hydraulic cylinder processed moves back and forth and burner is driven to make synchronizing moving.
1, the determination of burner dead-center position is first carried out, i.e. relatively fixed position during normal production, is generally located in coal pipe
Front end face is concordant with kilneye end face, but is also not fixation, can stretch in kiln, fixed according to different situations also outside removable kiln discharge,
Coal pipe is removed kilneye 300 and positions dead-center position by this, is marked on vehicle guide.
2, the distance that setting reciprocating movement stroke, i.e. hydraulic cylinder are back and forth run, this is set as 200mm, i.e., is with zero point
Basis moves back forward 100mm., and two touch sensing bolt of front and back is welded on vehicle guide, when weldering inductive probe sense on trolley
When should arrive former and later two induction bolts, hydraulic cylinder oil stream direction can be automatically switched, replace stroke.
3, the time cycle of a reciprocal stroke is set.It can be set within the scope of one according to production status, now be set
Week is 4 hours, i.e., every four hours complete the reciprocating stroke of a burner.
4, coal pipe can be fixed on dead-center position when just opening kiln igniting, when kiln temperature is normal, reaches when feeding intake, can will burn
The reciprocal adjustment system of device intelligence comes into operation, and the system can also be stopped using in other kiln condition abnormal conditions, mainly according to work
Skill situation carry out using.
Claims (7)
1. a kind of reciprocal adjustment device of cement kiln combustion device intelligence, the burner includes the moving trolley being arranged on guide rail,
Support coal injection pipe above moving trolley, the front end of coal injection pipe is flame hole, go directly in kiln, rear end be respectively equipped with coal powder entrance,
Quiet wind entrance, interior wind entrance, it is characterised in that the reciprocal adjustment dress of intelligence is equipped between moving trolley front end and wicket cover outer wall
It sets, back and forth can uniformly be moved with controlling moving trolley in the operating condition.
2. the reciprocal adjustment device of cement kiln combustion device as described in claim 1 intelligence, it is characterised in that the intelligence is toward polyphony
It is self-contained to be set to intelligent control hydraulic piston device, including hydraulic power unit, PLC intelligence control system, hydraulic cylinder top thick stick, support, it should
Hydraulic piston device one end is fixed, and one end is connect with burner moving trolley on the support, and the control of PLC intelligence control system is hydraulic
Pumping plant work, hydraulic power unit control hydraulic cylinder mandril move back and forth and burner are driven to make synchronous be moved forward and backward.
3. the reciprocal adjustment device of cement kiln combustion device as claimed in claim 2 intelligence, it is characterised in that hydraulic cylinder top thick stick it is past
Multiple operating range is set as 400--600mm.
4. a kind of cement rotary kiln, it is characterised in that intelligently past using a kind of cement kiln combustion device as claimed in claim 1 or 2
Polyphony engagement positions.
5. a kind of method of rotary kiln production cement, it is characterised in that burner: increase on the basis of ordinary burner toward polyphony
Complete machine structure and intelligence control system realize that moving trolley back and forth can be moved uniformly in the operating condition, to drive kiln endogenous fire point
Set continuous uniform adjustment.
6. the method for rotary kiln production cement as claimed in claim 5, it is characterised in that the reciprocal adjustment device is intelligence
Control hydraulic piston device, including hydraulic power unit, PLC intelligence control system, hydraulic cylinder top thick stick, support, the hydraulic piston device
One end is fixed, and one end is connect with burner moving trolley on the support, and PLC intelligence control system controls hydraulic power unit work, liquid
Press pump station control hydraulic cylinder mandril moves back and forth and burner is driven to make synchronous be moved forward and backward.
7. the method for rotary kiln production cement as claimed in claim 6, it is characterised in that the reciprocating movement of institute's hydraulic cylinder top thick stick
Distance is set as 400--600mm, and reciprocal a cycle is 4 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810979198.0A CN109000225A (en) | 2018-08-27 | 2018-08-27 | A kind of cement kiln combustion device intelligence is reciprocal to adjust device and its application |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810979198.0A CN109000225A (en) | 2018-08-27 | 2018-08-27 | A kind of cement kiln combustion device intelligence is reciprocal to adjust device and its application |
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| CN109000225A true CN109000225A (en) | 2018-12-14 |
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| CN201810979198.0A Pending CN109000225A (en) | 2018-08-27 | 2018-08-27 | A kind of cement kiln combustion device intelligence is reciprocal to adjust device and its application |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109958996A (en) * | 2019-04-24 | 2019-07-02 | 河南汇金智能装备有限公司 | Novel kiln tail burner |
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| CN209672316U (en) * | 2018-08-27 | 2019-11-22 | 东平中联美景水泥有限公司 | The cement kiln of the reciprocal adjustment device of cement kiln combustion device intelligence and the application device |
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| CN1185562A (en) * | 1996-12-20 | 1998-06-24 | 毛罗·波皮工程师Ipeg股份公司 | High heat release burner |
| CN202582166U (en) * | 2012-05-16 | 2012-12-05 | 浙江方远建材科技有限公司 | Stroke adjuster for burner spray pipe of rotary kiln |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109958996A (en) * | 2019-04-24 | 2019-07-02 | 河南汇金智能装备有限公司 | Novel kiln tail burner |
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