CN105953594A - Transverse pushing feeding device and method for grate cooler - Google Patents
Transverse pushing feeding device and method for grate cooler Download PDFInfo
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- CN105953594A CN105953594A CN201610466441.XA CN201610466441A CN105953594A CN 105953594 A CN105953594 A CN 105953594A CN 201610466441 A CN201610466441 A CN 201610466441A CN 105953594 A CN105953594 A CN 105953594A
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- Prior art keywords
- pusher
- grate
- face
- horizontal push
- grate cooler
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D15/00—Handling or treating discharged material; Supports or receiving chambers therefor
- F27D15/02—Cooling
- F27D15/0206—Cooling with means to convey the charge
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Furnace Details (AREA)
Abstract
The invention discloses a transverse pushing feeding device and method for a grate cooler and belongs to the field of grate coolers. The transverse pushing feeding device comprises a plurality of sets of material pushing units which are located on a grate cooler grate bed and closely arranged in the material flow direction. Each set of material pushing unit comprises a pushing mechanism and a plurality of material pushing mechanisms arranged on the pushing mechanism. Each pushing mechanism is used for driving the corresponding material pushing mechanisms to move back and forth on the grate bed in the direction perpendicular to the material flow direction. The material pushing mechanisms have the length direction extending on the plane of the grate bed, and an included angle of 45-60 degrees is formed between the length direction and the material flow direction. According to the transverse pushing feeding method, the phase difference of reciprocating motion of the adjacent two sets of material pushing units is larger than 0 degree and smaller than or equal to 180 degrees. According to the transverse pushing feeding device and method for the grate cooler, the condition of a material layer is mainly and initiatively changed, and thus the material layer and cooling equipment can conduct energy distribution more reasonably; balanced distribution of cooling air is also more beneficial through the change of the material layer, and cooling air adjusting through a mechanical method is not needed; and in addition, the influence of the balanced material layer on the cooling effect is also more obvious.
Description
Technical field
The invention belongs to grate cooler field, particularly relate to the horizontal push feed field of grate cooler.
Background technology
Existing grate cooler is all to use to be longitudinally propelling feeding, because direction of propulsion is consistent with stream direction, transfer efficiency is high.
But the most scabrous problem of grate cooler is that bed of material distribution of particles is unbalanced now, this is that rotary kiln outlet grog is discharged into comb formula
The mode of cooler is determined, stream is sprinkled upon grate from rotary kiln outlet, and large or fine granule divides naturally due to centrifugal action
Level, is formed the material grain particle diameter of cross direction profiles on material bed unbalanced, so that the resistance of the bed of material is unbalanced, is passed by grate plate
The cooling wind of the bed of material is the most unbalanced, directly affects heat exchange cooling effectiveness and the cooling effect of grog.
Grate cooler develops into the modern times and has gone through a lot of improvement, but bed of material particle size distribution is uneven and cooling wind distribution
Unbalanced problem is not the most well solved, and its improved method is many around the most more reasonably passive adaptation bed of material situation
Requirement, current improved method be all passively subregion adjust cooling wind to adapt to materialbeds comminution change, by large area air feed
It refine to the air feed of each piece of grate plate, under each piece of grate plate, the most individually install automatic flow control valve additional, thus adapt to bed of material resistance
The change of power, this mode does not change the situation of the bed of material, and by energy loss on valve, the thermal efficiency improves and fails to understand
Aobvious, add the complexity of equipment on the contrary.
Summary of the invention
It is an object of the invention to: propose a kind of horizontal push feed device and method for grate cooler, emphatically with actively
Changing bed of material situation to set out, make the bed of material and cooling equipment more reasonably carry out energy distribution, the change of the bed of material is more favorable to
The equiblibrium mass distribution of cooling wind, it is not necessary to mechanically adjust cooling wind, and the equilibrium of the bed of material is on the impact of cooling effect the most more
Substantially.
The object of the invention is realized by following technical proposals:
A kind of horizontal push feed device for grate cooler is tight including being positioned on grate bed for grate type cooling machine along stream direction
Some groups of pusher unit of arrangement, each group of pusher unit all includes propulsive mechanism, and some pushing away of being located on propulsive mechanism
Material mechanism, propulsive mechanism is for driving pusher direction reciprocating motion along vertical stream direction in grate, pusher
Have that extend in grate plane is the length direction of 45 °～60 ° angles with stream direction, and pusher is in length side
Upwards there are two work surfaces, one of them work surface be face delivery end direction pusher face (pusher face towards with discharging
The angle of extreme direction is accordingly to be regarded as facing delivery end direction less than 90 °, delivery end direction i.e. stream direction), another work surface is
Face feeding end direction face of returning (return face be accordingly to be regarded as facing feeding end towards with the angle in feeding end direction less than 90 °
Direction, the opposite direction in i.e. delivery end direction, feeding end direction/stream direction), pusher face advances resistance during material more than returning
Face.
As selection, the length direction of each pusher of two adjacent groups pusher unit incline direction on the horizontal direction of grate
On the contrary, i.e. if with left and right directions as horizontal direction, then the length direction of each pusher of certain group pusher unit is towards a left side
Tilt, and the length direction of each pusher of another group pusher unit adjacent is towards right bank.As selection, same group of pusher
Each pusher of unit is arranged in parallel by length direction.
As selection, the length direction of adjacent two pushers of same group of pusher unit inclination side on the horizontal direction of grate
To on the contrary, i.e. if with left and right directions as horizontal direction, then the length direction of a certain pusher of certain group pusher unit
Towards left bank, and the length direction of another pusher adjacent is towards right bank, so repeats to tilt alternately.In the program,
Owing to being respectively present the direction that tilts so that pusher is in the whole reciprocating advance of pusher unit and fall back process
Material can be carried out pusher conveying, i.e. advance and rollback have part (half or nearly half) pusher all the time in the face of material
Pusher.As selection, adjacent two pushers of same group of pusher unit are arranged symmetrically with by length direction.
As selection, it is the length direction of 45 ° of angles that pusher has with stream direction.
As selection, propulsive mechanism is charging ram or pusher framework, and pusher is the pusher fixing with charging ram or pusher framework
Plate.
As selection, pusher face has the angle of inclination bigger than the face of returning relative to grate plane.As selection, pusher face and moving back
The face of returning is inclined-plane, and the angle of pusher face and grate plane is more than the angle returning face and grate plane.As selection, push away
The transverse section of material mechanism is triangle, and its bottom surface is and the contact surface of grate plane contact, respectively pusher face, two inclined-planes and moving back
The face of returning, and the angle of pusher face and bottom surface is more than the angle returning face and bottom surface.
A kind of grate cooler with aforementioned lateral push feed, its grate is made up of one piece of block grate plate direct splicing, and grate plate is complete
Portion uses fixed layout and installation, without individually arranging automatic flow control valve under each grate plate, each pusher unit
Grate slides laterally reciprocating motion.
A kind of horizontal push feed method for grate cooler, including the horizontal push feed being previously described for grate cooler
Device, the reciprocating phase contrast of two adjacent groups pusher unit is less than or equal to 180 degree more than 0 degree.
As selection, the reciprocating phase of two adjacent groups pusher unit 180 degree.In the program, when material leaves certain
When the pusher of group pusher unit enters into the pusher of next group pusher unit, next group pusher unit starts the most again
Opposite direction repeats a upper process, and both motion phase differences can promote that stream is moved to discharge end substantially, transfer efficiency
Higher.
Aforementioned main formula case of the present invention and each further selection scheme thereof can be with independent assortment to form multiple schemes, and being the present invention can
The scheme using and claiming；And the present invention, (each non conflicting selection) select between and and other select between can also
Independent assortment.Those skilled in the art can understand there be multiple group according to prior art and common knowledge after understanding the present invention program
Close, be the claimed technical scheme of the present invention, do not do at this exhaustive.
Work process is: pusher slides laterally reciprocating motion in grate, the length direction of pusher and stream direction in
45 °～60 ° of angles, pusher face advances resistance during material to be more than and returns face, in order to avoid material backtracking.Because of pusher
Length direction is in tilted layout, and pusher process is can pushing away along pusher while material is promoted transverse movement by pusher
Charge level does lengthwise movement to discharge end, when material leave pusher enter into next group pusher unit time, again opposite direction repeat
A upper process, is therefore the formation of expecting the hybrid motion that grain is laterally longitudinal, enables material grain to be able to sufficient mix homogeneously, from
And make materialbeds comminution equalize.
Beneficial effects of the present invention: due in push feed method based on actively changing the distribution situation of the bed of material, make the bed of material hinder
Power reaches equilibrium, eliminates the passive measure adjusting wind and device (without needing individually to adjust wind as prior art simultaneously
It is respectively provided with under each grate plate under automatic flow control valve, or even each grate plate and is respectively provided with automatic flow control valve), cooling wind
Distribution the most more equalizes, and in the bed of material, amplitude of stirring and the frequency of granule strengthen, and to heat exchange advantageously, further increase
Heat energy recovery rate and the consumption decreasing air blast electric energy.
Accompanying drawing explanation
Fig. 1 is that the horizontal push feed device of the embodiment of the present invention 1 uses view；
Fig. 2 is the structural representation of the pusher unit of the embodiment of the present invention 1；
Fig. 3 is the structural representation of the scraping wings of the embodiment of the present invention 1；
Fig. 4 is that the horizontal push feed device of the embodiment of the present invention 2 uses view；
Fig. 5 is the structural representation of the scraping wings of the embodiment of the present invention 2；
1 be wherein grate, 2 be grate plate, 3 be charging ram, 4 be scraping wings, 5 be pusher face, 6 be the face of returning, 7 for pushing away
Material framework, 41 it is scraping wings bottom surface.
Detailed description of the invention
Following non-limiting examples is used for the present invention is described.
Embodiment 1:
Referring to figs. 1 to shown in 3, a kind of horizontal push feed device for grate cooler, including being positioned at grate cooler comb
Bed 1 on along stream direction compact arranged some groups of pusher unit, each group of pusher unit all includes propulsive mechanism, Yi Jishe
Some pushers on propulsive mechanism, it is alternatively that, as shown in this embodiment, propulsive mechanism is charging ram 3, pusher
Structure is and the fixing scraping wings 4 of charging ram 3.The one horizontal grate plate of row 2 arranges one group of pusher unit, and one group of pusher unit is by one
Charging ram 3 and some scraping wings 4 form, and a charging ram 3 connects several scraping wings 4, pusher towards delivery end direction
The quantity of plate 4 determines according to grate 1 width, two groups of adjacent pusher unit direction of propulsion and to return direction be all contrary,
One group of pusher unit can use combination type segmentation to constitute.Carry out by pusher unit owing to the pusher of material carries, grate plate 2
Being responsible for ventilating and cooling, therefore, the grate plate 2 of the grate cooler of this patent all uses fixed layout and installation, combs
Bed 1 is made up of one piece of block grate plate 2 direct splicing, owing to grate plate 2 does not has the action of relative motion, whole grate 1 not leakage
The condition of material, 1 time device without the concern for recovery material leakage of grate.
Charging ram 3 is for driving the scraping wings 4 direction along vertical stream direction in grate 1 to move back and forth, and scraping wings 4 has
Extending in grate 1 plane is length direction (i.e. Fig. 1, angle α in 2, the folder of 45 °～60 ° angles with stream direction
Angle α+scraping wings and charging ram angle=90 °, angle α preferably 45 ° in the present embodiment), and scraping wings 4 is in the longitudinal direction
There are two work surfaces, one of them work surface be face delivery end direction pusher face 5 (pusher face 5 towards A and discharging
The angle of extreme direction is accordingly to be regarded as facing delivery end direction less than 90 °, delivery end direction i.e. stream direction), another work surface is
(angle towards B with feeding end direction returning face 6 is accordingly to be regarded as facing less than 90 ° to face the face of returning 6 in feeding end direction
Feeding end direction, the opposite direction in i.e. delivery end direction, feeding end direction/stream direction).Fig. 2, in 3, direction of arrow A is for pushing away
Charge level 5 towards A, direction of arrow B be return face 6 towards B.
Pusher face 5 advances resistance during material more than returning face 6, it is alternatively that, relative grate 1 plane in pusher face 5 has ratio
Return the angle of inclination that face 6 is bigger, such as, pusher face 5 and return face 6 and be inclined-plane, and pusher face 5 is flat with grate 1
The angle in face is more than the angle in face of returning 6 and grate 1 plane, and the transverse section of scraping wings 4 can be polygon, such as triangle
Shape, tetragon, pentagon (Fig. 3) etc..
As selection, as shown in this embodiment, with reference to shown in Fig. 1, the length side of each scraping wings 4 of two adjacent groups pusher unit
Incline direction on the horizontal direction in grate 1 is contrary, i.e. in figure, left and right directions is horizontal direction, then certain organizes pusher
The length direction of each scraping wings 4 of unit is towards left bank, and the length direction of each scraping wings 4 of another group pusher unit adjacent
Towards right bank.As selection, each scraping wings 4 of same group of pusher unit is arranged in parallel by length direction.
A kind of horizontal push feed method for grate cooler, including the horizontal push feed being previously described for grate cooler
Device, the reciprocating phase contrast of two adjacent groups pusher unit is less than or equal to 180 degree more than 0 degree.With reference to shown in Fig. 1,
Preferably phase 180 degree, two groups of the most adjacent pusher unit direction of propulsion and to return direction be all contrary.In the program,
When the scraping wings that material leaves certain group pusher unit enters into next scraping wings organizing pusher unit, next group pusher unit is proper
Well starting again opposite direction repeats a upper process, and both motion phase differences can promote that stream is moved to discharge end substantially,
Transfer efficiency is higher.
Embodiment 2:
With reference to Fig. 4, shown in 5, the present embodiment is substantially the same manner as Example 1, and its difference is: propulsive mechanism is pusher framework
7, pusher is and the fixing scraping wings 4 of pusher framework 7.The length side of adjacent two scraping wings 4 of same group of pusher unit
Incline direction on the horizontal direction in grate 1 is contrary, i.e. in figure, left and right directions is horizontal direction, then certain organizes pusher
The length direction of a certain scraping wings 4 of unit is towards left bank, and the length direction of another scraping wings 4 adjacent is towards right bank, as
This repeats to tilt alternately.In the program, owing to being respectively present the direction that tilts so that scraping wings is at whole pusher list
Material can be carried out pusher conveying by the reciprocating advance of unit and fall back process, i.e. advance and rollback has part all the time
(half or nearly half) pusher is in the face of material pusher.As selection, adjacent two scraping wings of same group of pusher unit press length
Direction is arranged symmetrically with.The transverse section of scraping wings 4 is triangle, and its bottom surface 41 is and the contact surface of grate plane contact that two is oblique
Respectively pusher face 5, face and return face 6, and the angle of pusher face 5 and bottom surface 41 is more than the angle returning face 6 and bottom surface 41.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all spirit in the present invention and former
Any amendment, equivalent and the improvement etc. made within then, should be included within the scope of the present invention.
Claims (10)
1. the horizontal push feed device for grate cooler, it is characterised in that: include being positioned on grate bed for grate type cooling machine along material
The compact arranged some groups of pusher unit of flow path direction, each group of pusher unit all includes propulsive mechanism, and is located on propulsive mechanism
Some pushers, propulsive mechanism for drive pusher in grate along vertical stream direction direction move back and forth, push away
It is the length direction of 45 °～60 ° angles with stream direction that material mechanism has extend in grate plane, and pusher is being grown
Degree has two work surfaces on direction, and one of them work surface is the pusher face facing delivery end direction, and another work surface is face
Towards the face of returning in feeding end direction, pusher face advances resistance during material more than returning face.
2. the horizontal push feed device for grate cooler as claimed in claim 1, it is characterised in that: two adjacent groups pusher list
The length direction of each pusher of unit incline direction on the horizontal direction of grate is contrary.
3. the horizontal push feed device for grate cooler as claimed in claim 1, it is characterised in that: same group of pusher unit
Incline direction on the horizontal direction of grate of the length direction of adjacent two pushers contrary.
4. the horizontal push feed device for grate cooler as claimed in claim 1, it is characterised in that: pusher have with
Stream direction is the length direction of 45 ° of angles.
5. the horizontal push feed device for grate cooler as claimed in claim 1, it is characterised in that: propulsive mechanism is pusher
Bar or pusher framework, pusher is the scraping wings fixing with charging ram or pusher framework.
6. the horizontal push feed device for grate cooler as claimed in claim 1, it is characterised in that: pusher face is relative to grate
Plane has the angle of inclination bigger than the face of returning.
7. the horizontal push feed device for grate cooler as claimed in claim 6, it is characterised in that: pusher face and return face
It is inclined-plane, and the angle of pusher face and grate plane is more than the angle returning face and grate plane.
8. the horizontal push feed device for grate cooler as claimed in claim 7, it is characterised in that: pusher cross-section
Face is triangle, and its bottom surface is and the contact surface of grate plane contact, respectively pusher face, two inclined-planes and return face, and pusher face
Angle with bottom surface is more than the angle in face of returning and bottom surface.
9. for the horizontal push feed method of grate cooler, including arbitrary for grate cooler in claim 1 to 7
Horizontal push feed device, it is characterised in that: the reciprocating phase contrast of two adjacent groups pusher unit is for be less than more than 0 degree
Equal to 180 degree.
10. the horizontal push feed method for grate cooler as claimed in claim 9, it is characterised in that: two adjacent groups pusher
The reciprocating phase of unit 180 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610466441.XA CN105953594B (en) | 2016-06-23 | 2016-06-23 | A kind of horizontal push feed device and method for grate cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610466441.XA CN105953594B (en) | 2016-06-23 | 2016-06-23 | A kind of horizontal push feed device and method for grate cooler |
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| Publication Number | Publication Date |
|---|---|
| CN105953594A true CN105953594A (en) | 2016-09-21 |
| CN105953594B CN105953594B (en) | 2018-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610466441.XA Active CN105953594B (en) | 2016-06-23 | 2016-06-23 | A kind of horizontal push feed device and method for grate cooler |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107477980A (en) * | 2017-08-23 | 2017-12-15 | 江苏羚羊水泥工程技术有限公司 | A kind of brown coal drying fluid unit and system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS602886A (en) * | 1983-06-21 | 1985-01-09 | Mitsubishi Heavy Ind Ltd | Cement clinker cooler |
| CN1902452A (en) * | 2003-11-28 | 2007-01-24 | Khd洪保德韦达克有限公司 | Bulk material cooler for cooling hot materials to be cooled |
| CN101118124A (en) * | 2007-09-07 | 2008-02-06 | 燕山大学 | Conveying device for conveying and cooling down high-temperature bulk material conveying device |
-
2016
- 2016-06-23 CN CN201610466441.XA patent/CN105953594B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS602886A (en) * | 1983-06-21 | 1985-01-09 | Mitsubishi Heavy Ind Ltd | Cement clinker cooler |
| CN1902452A (en) * | 2003-11-28 | 2007-01-24 | Khd洪保德韦达克有限公司 | Bulk material cooler for cooling hot materials to be cooled |
| CN101118124A (en) * | 2007-09-07 | 2008-02-06 | 燕山大学 | Conveying device for conveying and cooling down high-temperature bulk material conveying device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107477980A (en) * | 2017-08-23 | 2017-12-15 | 江苏羚羊水泥工程技术有限公司 | A kind of brown coal drying fluid unit and system |
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| Publication number | Publication date |
|---|---|
| CN105953594B (en) | 2018-05-15 |
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