CN208814895U - A kind of preheater - Google Patents
A kind of preheater Download PDFInfo
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- CN208814895U CN208814895U CN201821446347.9U CN201821446347U CN208814895U CN 208814895 U CN208814895 U CN 208814895U CN 201821446347 U CN201821446347 U CN 201821446347U CN 208814895 U CN208814895 U CN 208814895U
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- cyclone cylinder
- increase
- pipeline
- side wall
- incubation cavity
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Abstract
The utility model relates to a kind of preheaters, including cyclone cylinder, feeder pipe and increase in pipeline for conveying raw material, the upper end of increase in pipeline is connect with cyclone cylinder side wall upper part, the lower end of feeder pipe is connect with increase in pipeline side wall, cyclone cylinder bottom is connected with discharge nozzle, ascending air pipe is provided at cyclone cylinder top center, ascending air pipe lower end extends to inside cyclone cylinder after running through cyclone cylinder lateral wall, is axially provided with spiral helicine deflector chute on discharge nozzle inner sidewall along discharge nozzle；Insulation cladding is coated on cyclone cylinder lateral wall, incubation cavity is formed between insulation cladding and cyclone cylinder lateral wall, snorkel is connected on increase in pipeline side wall, snorkel one end and insulation cladding upper portion side wall far from increase in pipeline connect and are connected to incubation cavity, and whirlwind drum outer wall lower part offers the air outlet being connected to incubation cavity.The utility model provides a kind of preheater that low energy consumption, pre-heat effect is good and is not easy to plug influence production.
Description
Technical field
The utility model relates to technical field of cement production, and in particular to a kind of preheater.
Background technique
In the production process of cement, the preheating of raw material and decomposed are completed by preheater, instead of rotary kiln part
Function reaches and shortens rotary kiln length, while making to carry out gas material heat exchange with stacking states in kiln, and during this, raw material move on to pre-
It is carried out under suspended state in hot device, so that raw material is sufficiently mixed with the hot gases being discharged in kiln, reach raising kiln system
The quality of production, efficiency and the purpose for reducing sinter leaching heat consumption.Existing preheater is very fast to the loss of hot gas, internal heat
Amount cannot adequately be utilized the raising so as to cause energy consumption, and production cost rises；The effect of preheater be exactly utilize in kiln,
The heating by the exhaust gases of dore furnace preheats raw material, in the cyclone cylinder cone lower part of preheater once not being able to satisfy what raw material passed through
It needs, is bound to block, the effect of preheating is reduced while influencing normally to produce；Preheating of the existing preheater to raw material
Effect is limited, and preheats low efficiency, is not able to satisfy increasing yield requirement.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide one kind, low energy consumption, pre-heat effect is good
And it is not easy to plug the preheater for influencing production.
The technical solution of the utility model is achieved in that a kind of preheater, it is characterised in that: including cyclone cylinder, uses
In the feeder pipe and increase in pipeline of conveying raw material, the upper end of the increase in pipeline is connect with cyclone cylinder side wall upper part, the blanking
The lower end of pipe is connect with increase in pipeline side wall, and the cyclone cylinder bottom is connected with discharge nozzle, the cyclone cylinder top center
Place is provided with ascending air pipe, and ascending air pipe lower end extends to inside cyclone cylinder after running through cyclone cylinder lateral wall, described
Spiral helicine deflector chute is axially provided on discharge nozzle inner sidewall along discharge nozzle；Heat preservation is coated on the cyclone cylinder lateral wall
Shell is formed with incubation cavity, is connected with snorkel on the increase in pipeline side wall, institute between the insulation cladding and cyclone cylinder lateral wall
It states snorkel one end and insulation cladding upper portion side wall far from increase in pipeline to connect and be connected to incubation cavity, under the whirlwind drum outer wall
Portion offers the air outlet being connected to incubation cavity.
By using above-mentioned technical proposal, raw material are delivered in increase in pipeline from feeder pipe, are continued in increase in pipeline bottom
In the kiln being passed through, under the effect of the high temperature gas flow of dore furnace, entered in cyclone cylinder along increase in pipeline, during this, sufficiently
Under the impact of high speed ascending air, raw material are preheated and are dispersed, and after air-flow, which carries raw material, enters cyclone cylinder, are forced
It does rotation along whirlwind medial wall of the tube on cyclone cylinder inner wall to flow downward, raw material are exported along discharge nozzle, and a part of gas turns
And exported upwards by the ascending air pipe that cyclone cylinder top center is arranged in, in order to prevent because raw material export not in time
And the phenomenon that cyclone cylinder bottom blocks, it is axially set on the discharge nozzle inner sidewall for be arranged in cyclone cylinder bottom along discharge nozzle
It is equipped with spiral deflector chute, on the one hand the setting of the deflector chute expands the receiving raw material volume of discharge nozzle, thus convenient
On the other hand the discharge of raw material cooperates cyclone cylinder to accelerate the discharge of raw material, makes raw material be not easy to be blocked at discharge nozzle, cause
Preheater is unable to normal use, in order to further increase heat resolve effect of cyclone cylinder, improves whole pre-heat effect and drop
Low energy consumption is coated with insulation cladding on cyclone cylinder lateral wall, and incubation cavity is formed between insulation cladding and cyclone cylinder lateral wall, rises
Snorkel, snorkel one end and the connection of insulation cladding upper portion side wall far from increase in pipeline and and incubation cavity are connected on pipe side wall
Connection, whirlwind drum outer wall lower part offer the air outlet being connected to incubation cavity, to introduce the heat of a part from increase in pipeline
Wind heats cyclone cylinder, while playing insulation effect, reduces becoming separated in flight for cyclone cylinder internal heat, to improve to life
The pre- thermal efficiency of material and the efficiency of pre- heat partition, the hot wind in incubation cavity enter from the air outlet that whirlwind drum outer wall lower part is arranged in
It is mixed into cyclone cylinder with raw material, the hot wind of the part is further utilized, reduce whole energy consumption, the utility model mentions
A kind of preheater that low energy consumption, pre-heat effect is good and is not easy to plug influence production is supplied.
The utility model is further arranged to: along whirlwind drum outer wall, spiral is uniformly arranged from top to bottom inside the incubation cavity
There is ventilation shaft, the top of the ventilation shaft is connect with snorkel, and the lower part of the ventilation shaft is connect with air outlet.
It is attached to reduce hot wind in order to further increase the Heat preservation effect to cyclone cylinder by using above-mentioned technical proposal
The loss of the heat of band, while accelerating the preheating dispersion efficiency to raw material, inside incubation cavity from top to bottom along whirlwind drum outer wall
Spiral is evenly arranged with ventilation shaft, and the top of ventilation shaft is connect with snorkel, and the lower part of ventilation shaft is connect with air outlet.
The utility model is further arranged to: being provided with wind deflector on the cyclone cylinder side wall and at air outlet.
By using above-mentioned technical proposal, it is provided with wind deflector on cyclone cylinder side wall and at air outlet, to make
Hot wind in incubation cavity accelerates the Hybrid Heating effect between raw material, simultaneously after air outlet is drained into cyclone cylinder inside
Accelerate discharging effect, improves whole operational paradigm.
The utility model is further arranged to: the side side wall of the wind deflector towards air outlet is arranged in slope surface, the slope
Several evenly distributed wind guide tanks are provided on face.
It is preferred that are as follows: one end of the wind guide tank towards air outlet tilts down and is arranged towards deflector chute.
By using above-mentioned technical proposal, in order to play guidance to the hot wind exported to cyclone cylinder from air outlet
Effect makes the hot wind of the part that guidance raw material be accelerated to export from discharge nozzle, thus the phenomenon that preventing discharging blockage, it will
The side side wall of wind deflector towards air outlet is arranged in slope surface, is provided with several evenly distributed wind guide tanks in the slope surface；In order to
One end of wind guide tank towards air outlet is tilted down and is arranged towards deflector chute by the intensity for further strengthening high part hot wind.
The utility model is further arranged to: being provided with air valve on the feeder pipe.
It is preferred that are as follows: the ascending air pipe is internally provided with filter plate.
Occur showing for reflux by using above-mentioned technical proposal, when importeding into increase in pipeline from feeder pipe in order to prevent
As the expectation dispersion process for influencing raw material is normally carried out, and air valve is provided on feeder pipe；In order to prevent inside cyclone cylinder
Raw material fly out from the ascending air pipe being arranged in from cyclone cylinder top center, cause the waste of raw material, rise gas
Flow tube is internally provided with filter plate.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is specific embodiment of the present invention structural schematic diagram.
Fig. 2 is wind deflector structure schematic diagram in specific embodiment of the present invention.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
As Figure 1-Figure 2, the utility model discloses a kind of preheaters, in the utility model specific embodiment, packet
Cyclone cylinder 1, feeder pipe 2 and increase in pipeline 3 for conveying raw material are included, on the upper end of the increase in pipeline 3 and 1 side wall of cyclone cylinder
Portion's connection, the lower end of the feeder pipe 2 are connect with 3 side wall of increase in pipeline, and 1 bottom of cyclone cylinder is connected with discharge nozzle 4, described
Ascending air pipe 5 is provided at 1 top center of cyclone cylinder, after 1 lateral wall of cyclone cylinder is run through in 5 lower end of ascending air pipe
It extends to inside cyclone cylinder 1, is axially provided with spiral helicine deflector chute 6 along discharge nozzle 4 on 4 inner sidewall of discharge nozzle；It is described
It is coated with insulation cladding 7 on 1 lateral wall of cyclone cylinder, is formed with incubation cavity 8 between 1 lateral wall of the insulation cladding 7 and cyclone cylinder, it is described
Snorkel 9, one end and insulation cladding 7 upper portion side wall of the snorkel 9 far from increase in pipeline 3 are connected on 3 side wall of increase in pipeline
It connects and is connected to incubation cavity 8, the 1 outer wall lower part of cyclone cylinder offers the air outlet 10 being connected to incubation cavity 8.
By using above-mentioned technical proposal, raw material are delivered in increase in pipeline 3 from feeder pipe 2, are held in 3 bottom of increase in pipeline
In the continuous kiln being passed through, under the high temperature gas flow effect of dore furnace, entered in cyclone cylinder 1 along increase in pipeline 3, during this,
Sufficiently under the impact of high speed ascending air, raw material are preheated and are dispersed, and enter cyclone cylinder 1 when air-flow carries raw material
Afterwards, it being forced in and does rotation along 1 inner sidewall of cyclone cylinder on 1 inner wall of cyclone cylinder and flow downward, raw material are exported along discharge nozzle 4, and one
Portion gas transfers to be exported by the ascending air pipe 5 that 1 top center of cyclone cylinder is arranged in upwards, in order to prevent because making a living
Material export is not in time and the phenomenon that 1 bottom of cyclone cylinder blocks, in 4 inner sidewall of discharge nozzle that 1 bottom of cyclone cylinder is arranged in
On be provided with spiral deflector chute 6 along discharge nozzle 4 is axial, on the one hand the setting of the deflector chute 6 expands the appearance of discharge nozzle 4
On the other hand raw material volume of receiving cooperates cyclone cylinder 1 to accelerate the discharge of raw material, is not easy raw material to facilitate the discharge of raw material
It is blocked at discharge nozzle 4, preheater is caused to be unable to normal use, in order to further increase heat resolve effect of cyclone cylinder 1,
It improves whole pre-heat effect and reduces energy consumption, insulation cladding 7, insulation cladding 7 and cyclone cylinder 1 are coated on 1 lateral wall of cyclone cylinder
Be formed with incubation cavity 8 between lateral wall, be connected with snorkel 9 on 3 side wall of increase in pipeline, snorkel 9 far from increase in pipeline 3 one
End and 7 upper portion side wall of insulation cladding connect simultaneously be connected to incubation cavity 8,1 outer wall lower part of cyclone cylinder offer be connected to incubation cavity 8 out
Cyclone cylinder 1 is heated, the same of insulation effect is played to introduce the hot wind of a part from increase in pipeline 3 in air port 10
When, becoming separated in flight for 1 internal heat of cyclone cylinder is reduced, to improve to the pre- thermal efficiency of raw material and the efficiency of pre- heat partition, incubation cavity 8
In hot wind enter in cyclone cylinder 1 from the air outlet 10 that 1 outer wall lower part of cyclone cylinder is arranged in and mixed with raw material, further
The hot wind of the part is utilized, reduces whole energy consumption, the utility model provides one kind, and low energy consumption, pre-heat effect is good and is not easy
Blocking influences the preheater of production.
In the utility model specific embodiment, along 1 outer wall of cyclone cylinder, spiral is uniform from top to bottom inside the incubation cavity 8
It is provided with ventilation shaft 11, the top of the ventilation shaft 11 is connect with snorkel 9, the lower part of the ventilation shaft 11 and outlet air
Mouth 10 connects.
It is attached to reduce hot wind in order to further increase the Heat preservation effect to cyclone cylinder 1 by using above-mentioned technical proposal
The loss of the heat of band, while accelerating to the preheating dispersion efficiencies of raw material, along 1 outer wall of cyclone cylinder from upper past inside incubation cavity 8
Lower spiral is evenly arranged with ventilation shaft 11, and the top of ventilation shaft 11 is connect with snorkel 9, the lower part of ventilation shaft 11 with go out
Air port 10 connects.
In the utility model specific embodiment, wind-guiding is provided on 1 side wall of cyclone cylinder and at air outlet 10
Plate 12.
By using above-mentioned technical proposal, it is provided with wind deflector 12 on 1 side wall of cyclone cylinder and at air outlet 10, from
And make the hot wind in incubation cavity 8 after air outlet 10 is drained into 1 inside of cyclone cylinder, accelerate the Hybrid Heating between raw material to imitate
Fruit, while discharging being accelerated to act on, improve whole operational paradigm.
In the utility model specific embodiment, the side side wall of the wind deflector 12 towards air outlet 10 is set in slope surface
It sets, several evenly distributed wind guide tanks 13 is provided in the slope surface.
In the utility model specific embodiment, one end of wind guide tank 13 towards the air outlet 10 tilts down and direction
Deflector chute 6 is arranged.
By using above-mentioned technical proposal, in order to draw to exporting to the hot wind inside cyclone cylinder 1 to play from air outlet 10
The effect led makes the hot wind of the part that guidance raw material be accelerated to export from discharge nozzle 4, to prevent the blocking of discharge nozzle 4
The side side wall of wind deflector 12 towards air outlet 10 is arranged in slope surface, is provided in the slope surface several evenly distributed by phenomenon
Wind guide tank 13；In order to further strengthen the intensity of high part hot wind, one end of wind guide tank 13 towards air outlet 10 is tilted down
And it is arranged towards deflector chute 6.
In the utility model specific embodiment, air valve 14 is provided on the feeder pipe 2.
In the utility model specific embodiment, the ascending air pipe 5 is internally provided with filter plate 15.
By using above-mentioned technical proposal, occur showing for reflux when importeding into increase in pipeline 3 from feeder pipe 2 in order to prevent
As the expectation dispersion process for influencing raw material is normally carried out, and air valve 14 is provided on feeder pipe 2；In order to prevent in cyclone cylinder 1
Internal raw material fly out from the ascending air pipe 5 being arranged in from 1 top center of cyclone cylinder, cause the waste of raw material,
Ascending air pipe 5 is internally provided with filter plate 15.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (7)
1. a kind of preheater, it is characterised in that: feeder pipe (2) and increase in pipeline including cyclone cylinder (1), for conveying raw material
(3), the upper end of the increase in pipeline (3) is connect with cyclone cylinder (1) side wall upper part, the lower end of the feeder pipe (2) and tedge
The connection of road (3) side wall, cyclone cylinder (1) bottom is connected with discharge nozzle (4), sets at cyclone cylinder (1) top center
It is equipped with ascending air pipe (5), ascending air pipe (5) lower end extends in cyclone cylinder (1) after running through cyclone cylinder (1) lateral wall
Portion is axially provided with spiral helicine deflector chute (6) along discharge nozzle (4) on discharge nozzle (4) inner sidewall；The cyclone cylinder (1)
It is coated on lateral wall insulation cladding (7), is formed with incubation cavity (8), institute between the insulation cladding (7) and cyclone cylinder (1) lateral wall
It states and is connected with snorkel (9) on increase in pipeline (3) side wall, the snorkel (9) one end and insulation cladding far from increase in pipeline (3)
(7) upper portion side wall is connected and is connected to incubation cavity (8), and cyclone cylinder (1) the outer wall lower part is offered to be connected to incubation cavity (8)
Air outlet (10).
2. a kind of preheater according to claim 1, it is characterised in that: inside the incubation cavity (8) outside along cyclone cylinder (1)
Spiral is evenly arranged with ventilation shaft (11) wall from top to bottom, and the top of the ventilation shaft (11) is connect with snorkel (9), institute
The lower part for stating ventilation shaft (11) is connect with air outlet (10).
3. a kind of preheater according to claim 1 or 2, it is characterised in that: on cyclone cylinder (1) side wall and be located at
Wind deflector (12) are provided at air port (10).
4. a kind of preheater according to claim 3, it is characterised in that: the wind deflector (12) is towards air outlet (10)
Side side wall is arranged in slope surface, is provided with several evenly distributed wind guide tanks (13) in the slope surface.
5. a kind of preheater according to claim 4, it is characterised in that: the wind guide tank (13) is towards air outlet (10)
One end tilts down and is arranged towards deflector chute (6).
6. a kind of preheater according to claim 1 or 2, it is characterised in that: be provided with air valve on the feeder pipe (2)
(14)。
7. a kind of preheater according to claim 6, it is characterised in that: the ascending air pipe (5) is internally provided with filter
Plate (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821446347.9U CN208814895U (en) | 2018-09-04 | 2018-09-04 | A kind of preheater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821446347.9U CN208814895U (en) | 2018-09-04 | 2018-09-04 | A kind of preheater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208814895U true CN208814895U (en) | 2019-05-03 |
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ID=66275933
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821446347.9U Active CN208814895U (en) | 2018-09-04 | 2018-09-04 | A kind of preheater |
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| Country | Link |
|---|---|
| CN (1) | CN208814895U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112050652A (en) * | 2020-09-16 | 2020-12-08 | 中材海外工程有限公司 | Cyclone preheater for cement predecomposition kiln |
-
2018
- 2018-09-04 CN CN201821446347.9U patent/CN208814895U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112050652A (en) * | 2020-09-16 | 2020-12-08 | 中材海外工程有限公司 | Cyclone preheater for cement predecomposition kiln |
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