CN206273811U - A kind of upright active lime calcining furnace - Google Patents
A kind of upright active lime calcining furnace Download PDFInfo
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- CN206273811U CN206273811U CN201621426614.7U CN201621426614U CN206273811U CN 206273811 U CN206273811 U CN 206273811U CN 201621426614 U CN201621426614 U CN 201621426614U CN 206273811 U CN206273811 U CN 206273811U
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Abstract
A kind of upright active lime calcining furnace of the utility model, belongs to industrial furnace technical field；Technical problem to be solved be to provide it is a kind of can continuous calcining upright active lime calcining furnace, production efficiency is high, burning quality stabilization, saves production cost and labour costs；The technical scheme of use is：Exterior combustion chamber is provided with funnel-form cooling section for columned bottom of furnace body, sidewall of the furnace body is tangentially-arranged spray fuel channel, stretch into furnace interior in kiln body lower end, charging aperture and negative pressure induced wind machine are set above kiln body, the material that kiln body falls is piled up to form angle of repose in cooling section, exterior combustion chamber inside backgauge platform is located at immediately below kiln body and its bottom forms multiple blanking gaps with cooling section side wall, cooling section lower part outlet sets the annular striker plate of center band material-dropping hole, material falls from multiple blanking gaps and forms angle of repose on annular striker plate, cooling section lower circumference is provided with the hydraulic discharging device in multiple correspondence blanking gaps；The utility model is a kind of Automatic-feeding, the equipment of lasting calcining.
Description
Technical field
A kind of upright active lime calcining furnace of the utility model, belongs to industrial furnace technical field, and in particular to Yi Zhongshi
Grey shaft furnace.
Background technology
In the prior art, lime is prepared mostly is calcined in horizontal revolving kiln, or between single verticle furnace of kiln
Disconnected calcining.Hearthstone ash is often produced, the operating procedure of loading of kiln-calcining-kiln discharge will be experienced.And in loading of kiln be by raw material with
Coal ash mixing is filled into kiln, and lime is calcined using the burning of coal ash.But this calcining manners material ton is high,
The thermal efficiency is low, and energy loss and environmental pollution are serious, it is necessary to manually constantly be monitored operation, low production efficiency and cost of labor
Height, and because operating condition is unstable, burning, underburnt phenomenon happen occasionally, and product quality is difficult to ensure that, and also production cost is occupied
It is high not under.And existing calcining furnace, using single, a kind of calcining furnace is only applicable a kind of specific fuel to fuel, it is impossible to make combustion
Material is shared.
Utility model content
The utility model overcomes the shortcomings of that prior art is present, and technical problem to be solved is to provide one kind can be continuous
The upright active lime calcining furnace of calcining, production efficiency is high, burning quality stabilization, saves production cost and labour costs.
In order to solve the above-mentioned technical problem, the technical scheme that the utility model is used is：A kind of upright active lime is forged
Burn stove, including exterior combustion chamber, spray fuel channel, kiln body, suspension, conveyer belt, negative pressure induced wind machine, hydraulic discharging device and control system
System, the structure of exterior combustion chamber is provided with funnelform cooling section for columned bottom of furnace body, and the body of heater of exterior combustion chamber is fixedly mounted
On the ground and its cooling section is located in melt pit, tangentially-arranged on the sidewall of the furnace body to have a spray fuel channel, kiln body passes through suspension
The top of exterior combustion chamber is fixedly installed on, the kiln body is for the open tubular in lower end and the furnace interior, institute are stretched into its lower end
State body of heater upper wall to be tightly connected with the outer wall of kiln body, the discharge end correspondence kiln of charging aperture and conveyer belt is provided with above the kiln body
Body charging aperture, the top of kiln body is connected by pipeline with negative pressure induced wind machine, and the material that kiln body falls is piled up to be formed in cooling section
Angle of repose prevents top material from continuing to fall, and the backgauge platform of cone, the backgauge are fixedly installed inside the exterior combustion chamber
Platform is located at immediately below kiln body and its bottom forms multiple blanking gaps with the cooling section side wall, and the cooling section lower part outlet sets
There is the annular striker plate of center band material-dropping hole, multiple blanking gaps of the material between backgauge platform and cooling section side wall fall in annular
Angle of repose is formed on striker plate and prevents material from continuing to fall, annular striker plate top circumference is provided with multiple hydraulic discharging devices,
The structure of the hydraulic discharging device be fixed on melt pit inwall hydraulic cylinder piston rod end portion be provided with push pedal and push pedal stretch into it is cold
But intersegmental part, the push pedal of multiple hydraulic discharging devices is correspondingly arranged at the blanking gap lower section and promotes material to be moved to material-dropping hole
Dynamic, the spray fuel channel, conveyer belt, negative pressure induced wind machine and multiple hydraulic discharging devices are by control system control.
The top of described kiln body is that preheating section and its underpart are calcining section, the preheating section with diameter greater than calcining section and
It is tightly connected by conical transition between preheating section and calcining section.
The preheating section inside center of the kiln body is fixed with hollow cylinder.
The kiln body top is provided with technique feed bin, and the technique feed bin bottom is connected by circulating line with kiln body top
Lead to and to kiln body feed, the discharge end correspondence technique feed bin charging aperture of the conveyer belt.
The inner bottom surface of the technique feed bin is provided with round table-like projection, and the circulating line connected with kiln body top is arranged on institute
State the minimum point of round table-like raised surrounding.
The technique feed bin inwall is provided with the low level monitor that control conveyer belt is opened and the height for controlling conveyer belt to stop
Position monitor.
The inner combustion chamber and the inner combustion chamber lower end that the kiln body inside center is vertically provided with cylindrical shape are open, described
The top of inner combustion chamber is communicated with internal combustion pipeline.
The inner combustion chamber lower end connects and is uniformly provided with multiple ventholes on the wall of backgauge platform side with backgauge platform inside.
The cooling section of the exterior combustion chamber bottom is communicated with cold air duct.
Sintering state thief hole is provided with the sidewall of the furnace body of the exterior combustion chamber.
The utility model compared with the existing technology has the advantages that.
1st, by setting an independent exterior combustion chamber, spray fuel channel is tangentially for exterior combustion chamber inside supplies the utility model
Answer fuel and formed in outer combustion chamber and be vortexed, it is ensured that the equalized temperature of exterior combustion chamber each several part, and make the fuel of burning with
More fully, effective utilization rate of thermal energy is high for material contact, and due to being independent exterior combustion chamber, therefore coal dust, coal gas etc.
Used as fuel, enhance industrial general.
2nd, the kiln body in the utility model is that suspension is arranged on above exterior combustion chamber, and kiln body lower end is open and exterior combustion chamber
Spaced apart below, the material that kiln body falls is piled up to form angle of repose prevention top material continuation whereabouts in cooling section, can
So that material increases with flame contact face, so that calcination product quality is more stablized.
3rd, the utility model sets a preheating section for enlarging on kiln body top, so as to reduce device height, reduces negative
Resistance suffered by pressure air-introduced machine, and manufacturing cost is reduced, improve security performance；The hot gas that waste heat is also left after calcining is accumulated with low wind speed
There is preheating section, the lime stone at this is slowly preheated, combustion heat energy is utilized more fully, and reduce negative pressure induced wind machine
Draw the temperature of hot gas；In kiln body be that surrounding circulating line is set due to negative pressure induced wind machine, thus hot gas in kiln body to drawing
Air port walking avoids preheating section center, the preheating inactive portion at hollow cylinder removal preheating section center, it is to avoid preheating is uneven, also
Side wall solid accumulation can be effectively prevented, makes the lasting feed in production process more smooth, it is ensured that burning quality.
4th, the utility model sets a technique feed bin above kiln body, technique material while kiln body bottom constantly discharges
Storehouse is used to store material and continuous to feed in kiln body, the material that calcining is participated in kiln body is kept quantitative, realizes continuous production,
Production efficiency is improve, production and labour costs is reduced；Technique feed bin is connected by circulating line with kiln body top, Ke Yijun
Evenly to feed in kiln body, it is ensured that the material position stabilization of material in kiln body.
5th, the utility model sets inner combustion chamber inside kiln body, when kiln body diameter is excessive, in order to avoid kiln body center
Calcining is incomplete, and on the one hand inner combustion chamber reduces lime stone ulking thickness, the flue gas heat in another aspect inner combustion chamber
Lime stone can be calcined simultaneously, the flue gas in inner combustion chamber is to overflow from top to bottom and then from bottom, then again can be to stone
Lime stone carries out mixed calcining.
6th, cooling section of the utility model in exterior combustion chamber bottom connects cold air duct, can accelerate material cooling velocity,
Accelerate blanking, so as to accelerate speed of production, while waste heat is brought in the lime stone on top into after cold wind is cooled down to material
Heat energy utilization is carried out again.
Brief description of the drawings
The utility model is described in further detail below in conjunction with the accompanying drawings.
The structural representation of the embodiment one that Fig. 1 is provided for the utility model.
The structural representation of the embodiment two that Fig. 2 is provided for the utility model.
The structural representation of the embodiment three that Fig. 3 is provided for the utility model.
Fig. 4 is the top cross-sectional view of exterior combustion chamber in the utility model.
Fig. 5 is the unloading position structural representation of cooling section in the utility model.
Fig. 6 is the mounting structure view of hydraulic discharging device and annular striker plate in the utility model.
Fig. 7 is a view for hydraulic discharging device promotion discharging in the utility model.
In figure：1 is exterior combustion chamber, and 2 is spray fuel channel, and 3 is kiln body, and 4 is suspension, and 5 is conveyer belt, and 6 is negative pressure induced wind
Machine, 7 is backgauge platform, and 8 is hydraulic discharging device, and 9 is hollow cylinder, and 10 is inner combustion chamber, and 11 is internal combustion pipeline, and 12 is cool air hose
Road, 13 is technique feed bin, and 14 is annular striker plate.
Specific embodiment
Embodiment one
As shown in Fig. 1, Fig. 4-7, a kind of upright active lime calcining furnace, including exterior combustion chamber 1, spray fuel channel 2, kiln body
3rd, suspension 4, conveyer belt 5, negative pressure induced wind machine 6, hydraulic discharging device 8 and control system, the structure of exterior combustion chamber 1 is columned
Bottom of furnace body is provided with funnelform cooling section, and the body of heater fixed installation of exterior combustion chamber 1 is on the ground and its cooling section is located at melt pit
Interior, tangentially-arranged on the sidewall of the furnace body to have spray fuel channel 2, kiln body 3 is fixedly installed on the upper of exterior combustion chamber 1 by suspension 4
Side, the kiln body 3 is the open tubular in lower end and the furnace interior is stretched into its lower end, and the body of heater upper wall is outer with kiln body 3
Wall is tightly connected, and the discharge end correspondence charging aperture of kiln body 3 of charging aperture and conveyer belt 5 is provided with above the kiln body 3, kiln body 3
Top is connected by pipeline with negative pressure induced wind machine 6, and the material that kiln body 3 falls is piled up to form angle of repose prevention top in cooling section
Material continues to fall, and the backgauge platform 7 of cone is fixedly installed inside the exterior combustion chamber 1, and the backgauge platform 7 is located at kiln body 3
Underface and its bottom forms multiple blanking gaps with the cooling section side wall, the cooling section lower part outlet is provided with center band and falls
Expect the annular striker plate 14 in hole, multiple blanking gaps of the material between backgauge platform 7 and cooling section side wall fall in annular striker plate
Angle of repose is formed on 14 and prevents material from continuing to fall, the top circumference of annular striker plate 14 is provided with multiple hydraulic discharging devices 8, institute
The structure for stating hydraulic discharging device 8 is that the hydraulic cylinder piston rod end portion for being fixed on melt pit inwall is provided with push pedal and cooling is stretched into push pedal
Intersegmental part, the push pedal of multiple hydraulic discharging devices 8 is correspondingly arranged at the blanking gap lower section and promotes material to be moved to material-dropping hole
Dynamic, the spray fuel channel 2, conveyer belt 5, negative pressure induced wind machine 6 and multiple hydraulic discharging devices 8 are by control system control.
The cooling section of the bottom of the exterior combustion chamber 1 is communicated with cold air duct 12.
Sintering state thief hole is provided with the sidewall of the furnace body of the exterior combustion chamber 1, because negative pressure induced wind machine 6 constantly extracts kiln
Negative pressure is maintained always in internal gas, therefore kiln body, thief hole can be opened at any time and is sampled observation.
The course of work：
Control system is sent to conveyer belt 5 and instructs, and material is delivered to the top of kiln body 3 and is fallen into from charging aperture by conveyer belt 5
Inside kiln body 3, material is fallen into exterior combustion chamber 1 along kiln body 3, and the material for falling is respectively on annular striker plate 14 and cooling section
Accumulation forms angle of repose a and prevents top material from continuing to fall, and control system sends instruction by spraying fuel channel 2 to exterior combustion chamber
The fuel of 1 inside spray feed burning（Coal dust or coal gas）, because spray fuel channel 2 is for tangentially-arranged, therefore fuel can burn outside
High temperature eddy current is formed in room 1, in the presence of the top negative pressure induced wind machine 6 of kiln body 3, high-temperature fuel air-flow is from bottom to top constantly and thing
Material is fully contacted calcining；After calcining certain hour, the sintering state thief hole sampling observation material sintering state from body of heater, extremely
It meets production standard, after to be cooled section of material cooling, the single or part of the multiple hydraulic discharging devices 8 of control system control
Push pedal is cycling in and out in cooling section, as shown in fig. 7, constantly push correspondence material to material-dropping hole falling, and is constantly formed to resting in peace
The small space that angle a is damaged, so that the material of top constitutes Automatic-feeding, holds constantly to falling and continuing to participate in calcining
The work system of continuous calcining.
In discharging, controllable cold air duct 12 is passed through cold wind and accelerates cooling to cooling section, can also be filled by hydraulic discharging
8 control discharging speeds are put, makes material slow blanking in calcining.
Embodiment two
As shown in Fig. 2 on the basis of embodiment one, described kiln body 3 top is for preheating section and its underpart is calcining
Section, the preheating section with diameter greater than calcining section and preheating section and calcining section between be tightly connected by conical transition.
The preheating section inside center of the kiln body 3 is fixed with hollow cylinder 9.
The top of the kiln body 3 is provided with technique feed bin 13, and the bottom of technique feed bin 13 is by circulating line and kiln body 3
Portion is connected and to the feed of kiln body 3, the charging aperture of discharge end correspondence technique feed bin 13 of the conveyer belt 5.
The inner bottom surface of the technique feed bin 13 is provided with round table-like projection, and the circulating line connected with the top of kiln body 3 is set
Minimum point around the round table-like projection.
The low level monitor and control conveyer belt 5 that the inwall of technique feed bin 13 is provided with the control unlatching of conveyer belt 5 stop
High-order monitor.
The present embodiment is applied to the small small-scale calcining of kiln body diameter, the course of work with embodiment one, due to conveyer belt 5
The uniformity of the discharging of feed and cooling section is not easy to keep, and charging aperture exposes and easily causes hot gas and leak, therefore in kiln body 3
Top sets technique feed bin 13, and technique feed bin 13 is used to store material and continuous to kiln while the bottom of kiln body 3 constantly discharges
Feed in body 3, makes the material that calcining is participated in kiln body 3 keep quantitative, realizes continuous production, improves production efficiency, reduces
Production and labour costs；Technique feed bin 13 is connected by circulating line with the top of kiln body 3, can equably to feed in kiln body 3,
Ensure the material position stabilization of material in kiln body 3.
Embodiment three
As shown in figure 3, on the basis of embodiment two, the inside center of the kiln body 3 is vertically provided with the internal combustion of cylindrical shape
Burn room 10 and the lower end of the inner combustion chamber 10 is open, the top of the inner combustion chamber 10 is communicated with internal combustion pipeline 11.
The lower end of the inner combustion chamber 10 connects and is uniformly provided with multiple ventholes on the side wall of backgauge platform 7 with the inside of backgauge platform 7,
The burning fuel in inner combustion chamber 10 is set uniformly to overflow.
The present embodiment is applied to the big extensive calcining of kiln body diameter, twin-stage combination calcining, it is to avoid calcine not at kiln body center
Completely, product quality is influenceed, the course of work is similar to embodiment two, but internal combustion pipeline 11 is constantly to internal combustion in calcination process
Supply burning fuel in room 10 is burnt, burning fuel is conveyed from top to bottom in inner combustion chamber 10, the tube wall of one side inner combustion chamber 10
To the material heat supply at the center of kiln body 3, another aspect flue gas continues and material mixed calcining after overflowing from below.
Show that the utility model is applied to industrial activated lime calcining, compared to traditional activity through actual production experiment
Lime calcining equipment, can save 30% manufacturing cost, reduce by 30% occupation of land, and production saves 25% combustion with the product of yield
Material consumption and 50% power consumption, and required labour is only original half.
Finally it should be noted that：Various embodiments above is only used to illustrate the technical solution of the utility model, rather than it is limited
System；Although being described in detail to the utility model with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, or to which part or whole
Technical characteristic carries out equivalent；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type.
Claims (10)
1. a kind of upright active lime calcining furnace, it is characterised in that：Including exterior combustion chamber（1）, spray fuel channel（2）, kiln body
（3）, suspension（4）, conveyer belt（5）, negative pressure induced wind machine（6）, hydraulic discharging device（8）And control system, exterior combustion chamber（1）Knot
Structure is provided with funnelform cooling section, exterior combustion chamber for columned bottom of furnace body（1）Body of heater fixed installation on the ground and its
Cooling section is located in melt pit, tangentially-arranged on the sidewall of the furnace body to have spray fuel channel（2）, kiln body（3）By suspension（4）It is fixed
It is arranged on exterior combustion chamber（1）Top, the kiln body（3）For the open tubular in lower end and the furnace interior is stretched into its lower end,
The body of heater upper wall and kiln body（3）Outer wall be tightly connected, the kiln body（3）Above be provided with charging aperture and conveyer belt（5）'s
Discharge end correspondence kiln body（3）Charging aperture, kiln body（3）Top by pipeline and negative pressure induced wind machine（6）It is connected, kiln body（3）Fall
Under material cooling section pile up to be formed angle of repose prevent top material continue fall, the exterior combustion chamber（1）Inside fixation sets
It is equipped with the backgauge platform of cone（7）, the backgauge platform（7）Positioned at kiln body（3）Underface and its bottom and the cooling section side wall
Multiple blanking gaps are formed, the cooling section lower part outlet is provided with the annular striker plate of center band material-dropping hole（14）, material self catcher
Material platform（7）Multiple blanking gaps between cooling section side wall fall in annular striker plate（14）Upper formation angle of repose simultaneously prevents material
Continue to fall, annular striker plate（14）Top circumference is provided with multiple hydraulic discharging devices（8）, the hydraulic discharging device（8）'s
Structure is that the hydraulic cylinder piston rod end portion for being fixed on melt pit inwall is provided with push pedal and push pedal is stretched into inside cooling section, and multiple hydraulic pressure go out
Material device（8）Push pedal be correspondingly arranged at blanking gap lower section and promote material to be moved to material-dropping hole, the spray cartridge
Road（2）, conveyer belt（5）, negative pressure induced wind machine（6）With multiple hydraulic discharging devices（8）By control system control.
2. a kind of upright active lime calcining furnace according to claim 1, it is characterised in that：Described kiln body（3）It is upper
Portion is that preheating section and its underpart are calcining section, and the preheating section passes through with diameter greater than between calcining section and preheating section and calcining section
Conical transition is tightly connected.
3. a kind of upright active lime calcining furnace according to claim 2, it is characterised in that：The kiln body（3）Preheating
Intersegmental part center is fixed with hollow cylinder（9）.
4. a kind of upright active lime calcining furnace according to claim 3, it is characterised in that：The kiln body（3）Top sets
It is equipped with technique feed bin（13）, the technique feed bin（13）Bottom passes through circulating line and kiln body（3）Top is connected and to kiln body
（3）Feed, the conveyer belt（5）Discharge end correspondence technique feed bin（13）Charging aperture.
5. a kind of upright active lime calcining furnace according to claim 4, it is characterised in that：The technique feed bin（13）'s
Inner bottom surface is provided with round table-like projection, and and kiln body（3）The circulating line of top connection is arranged on the round table-like raised surrounding
Minimum point.
6. a kind of upright active lime calcining furnace according to claim 4, it is characterised in that：The technique feed bin（13）It is interior
Wall is provided with control conveyer belt（5）The low level monitor and control conveyer belt of unlatching（5）The high-order monitor of stopping.
7. a kind of upright active lime calcining furnace according to claim 4, it is characterised in that：The kiln body（3）In inside
The heart is vertically provided with the inner combustion chamber of cylindrical shape（10）And the inner combustion chamber（10）Lower end is open, the inner combustion chamber（10）'s
Top is communicated with internal combustion pipeline（11）.
8. a kind of upright active lime calcining furnace according to claim 7, it is characterised in that：The inner combustion chamber（10）Under
End and backgauge platform（7）Inside connection and backgauge platform（7）Multiple ventholes are uniformly provided with the wall of side.
9. a kind of upright active lime calcining furnace according to claim 1-8 any one, it is characterised in that：The external combustion
Burn room（1）The cooling section of bottom is communicated with cold air duct（12）.
10. a kind of upright active lime calcining furnace according to claim 1-8 any one, it is characterised in that：It is described outer
Combustion chamber（1）Sidewall of the furnace body on be provided with sintering state thief hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621426614.7U CN206273811U (en) | 2016-12-23 | 2016-12-23 | A kind of upright active lime calcining furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621426614.7U CN206273811U (en) | 2016-12-23 | 2016-12-23 | A kind of upright active lime calcining furnace |
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| CN206273811U true CN206273811U (en) | 2017-06-23 |
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ID=59063285
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621426614.7U Active CN206273811U (en) | 2016-12-23 | 2016-12-23 | A kind of upright active lime calcining furnace |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106746769A (en) * | 2016-12-23 | 2017-05-31 | 山西奋达机械制造有限公司 | Upright active lime calcining furnace |
| CN110526596A (en) * | 2018-05-23 | 2019-12-03 | 绵竹市拱星氧化钙厂 | The mixing formula limekiln of fast cooling discharging |
| CN114933426A (en) * | 2022-05-05 | 2022-08-23 | 宋君成 | Kiln top crushed aggregate separation and discharge device and method |
-
2016
- 2016-12-23 CN CN201621426614.7U patent/CN206273811U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106746769A (en) * | 2016-12-23 | 2017-05-31 | 山西奋达机械制造有限公司 | Upright active lime calcining furnace |
| CN106746769B (en) * | 2016-12-23 | 2019-04-30 | 山西奋达机械制造有限公司 | Upright active lime calcining furnace |
| CN110526596A (en) * | 2018-05-23 | 2019-12-03 | 绵竹市拱星氧化钙厂 | The mixing formula limekiln of fast cooling discharging |
| CN110526596B (en) * | 2018-05-23 | 2023-08-29 | 四川马氏窑技术发展有限公司 | Quick cooling and discharging mixed lime kiln |
| CN114933426A (en) * | 2022-05-05 | 2022-08-23 | 宋君成 | Kiln top crushed aggregate separation and discharge device and method |
| CN114933426B (en) * | 2022-05-05 | 2022-11-18 | 宋君成 | Device and method for separating and discharging crushed aggregates on kiln top |
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