CN104344727B - Central cooler and its cooling wind grass-hopper, trolley air inlet pipe - Google Patents
Central cooler and its cooling wind grass-hopper, trolley air inlet pipe Download PDFInfo
- Publication number
- CN104344727B CN104344727B CN201310328475.9A CN201310328475A CN104344727B CN 104344727 B CN104344727 B CN 104344727B CN 201310328475 A CN201310328475 A CN 201310328475A CN 104344727 B CN104344727 B CN 104344727B
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- China
- Prior art keywords
- chassis
- trolley
- air inlet
- ventilating
- valve
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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
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B21/00—Open or uncovered sintering apparatus; Other heat-treatment apparatus of like construction
- F27B21/06—Endless-strand sintering machines
-
- 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
- F27D99/00—Subject matter not provided for in other groups of this subclass
- F27D99/0073—Seals
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Harvester Elements (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The present invention discloses a kind of circular cooler trolley blast pipe, for connecting the air outlet of chassis air inlet and gate sealing device；Ventilating valve is provided with the trolley air inlet pipe, to control the on or off of the trolley air inlet pipe.Preferably, the draught area of the Ventilating valve is equal to or more than the draught area of the trolley air inlet pipe.The present invention can evade problem of the annular passage in non-cooled area to air short circuit completely, it is ensured that to cooling zone chassis reliable delivery cooling wind.On this basis, the present invention also provides a kind of central cooler and its cooling wind grass-hopper of application trolley air inlet pipe.
Description
Technical field
The present invention relates to field of iron and steel smelting, more particularly to a kind of central cooler and its cooling wind grass-hopper, chassis air intake
Pipe.
Background technology
In iron and steel enterprise, central cooler is arranged at sintering circuit and mineral aggregate enters between furnaceman's sequence, for cooling down the mineral aggregate of sintering,
It is annular in body.Existing central cooler is mainly cooled down to the material on circular cooler trolley using forced-air blast air cooling way.
In chassis operation process, continuously and equably cloth is placed on mineral aggregate to be cooled from the feed chute 16 of non-cooled area I loading stations
Mineral aggregate receiving space above trolley grating plate, rear in cooling zone mineral aggregate to be cooled down by pressure wind, then each ring is cold
Machine trolley realizes discharging into the unloading station Jing dump skips 17 of non-cooled area I.After each chassis is revolved one-turn in central cooler,
Complete all processes for cooling down, discharging and reset feed.
It is well known that be motion as the chassis 10 of pressure wind terminal use, and as power source (or pressure source)
Air blast is but fixed, so in air blast to the cooling wind induction system between motion chassis (or blower system
In) must be provided with cooling wind grass-hopper, i.e. an annular passage 11.Please also refer to Fig. 1 and Fig. 2, wherein, Fig. 1 is existing
The overall structure diagram of central cooler；A-A sectional views of the Fig. 2 for Fig. 1.
Cooling wind is sent in air loop duct by several air blasts（Not shown in figure）, and Jing blast pipes 13 are into by annular liquid
The annular passage 11 that groove 14 and gate sealing device 15 are constituted, air outlet 151 and the trolley air inlet pipe 12 of gate sealing device 15
Connection.As shown in figure 1, central cooler from chassis charging after to the region before chassis discharging be cooling zone, from chassis discharging to reset
Region before reload is non-cooled area.Please also refer to Fig. 3, the B-B in the non-cooled area of central cooler shown in Fig. 1 is the figure shows
Partial sectional view.
When central cooler works, material is loaded with the chassis in the range of cooling zone, via trolley air inlet pipe from annular
The cooling wind that air channel is transferred into chassis carries out heat exchange with material, then discharges chassis from charge level, and cooling wind serves cooling
The effect of material.However, the chassis in the range of non-cooled area is empty material chassis, the trolley air inlet pipe of the station expects platform by empty
Car has been connected with annular passage, is necessarily caused annular passage cooling wind to air short circuit, can not only be lost huge air quantity, plus
Big fan energy use, can also form a large amount of dusts affects environment.
In view of this, it would be highly desirable to transfer technology and be optimized design for the cooling wind of existing circular cooler trolley, meet to
On the basis of the chassis reliable delivery cooling wind of cooling zone, annular passage can be evaded completely in non-cooled area to air short circuit.
The content of the invention
For drawbacks described above, present invention solves the technical problem that being, there is provided a kind of circular cooler trolley blast pipe, with complete
Evade problem of the annular passage in non-cooled area to air short circuit, it is ensured that to cooling zone chassis reliable delivery cooling wind.In this base
On plinth, the present invention also provides a kind of central cooler of application trolley air inlet pipe and its cooling wind grass-hopper.
The circular cooler trolley blast pipe that the present invention is provided, for connecting the air-out of chassis air inlet and gate sealing device
Mouthful；Ventilating valve is provided with the trolley air inlet pipe, to control the on or off of the trolley air inlet pipe.
Preferably, the Ventilating valve is butterfly valve.
Preferably, the Ventilating valve is specially electrically ventilating butterfly valve, pneumatic ventilation butterfly valve or butterfly valve of divulging information manually.
Preferably, the draught area of the Ventilating valve is equal to or more than the draught area of the trolley air inlet pipe.
The central cooler cooling wind grass-hopper that the present invention is provided, including the ring being made up of annular liquid flume and gate sealing device
Shape air channel, and the trolley air inlet pipe being correspondingly arranged with each chassis；Ventilating valve is provided with the trolley air inlet pipe, to control
Make the on or off of the trolley air inlet pipe.
Preferably, the Ventilating valve is specially electrically ventilating butterfly valve or pneumatic ventilation butterfly valve.
Preferably, also including signal element, according to the operating position output switch control signal of the chassis, to control
State opening or the closing of Ventilating valve.
Preferably, the operating position of the chassis is detected that by two position detection units two positions are detected
Unit is separately positioned at two boundaries position of non-cooled area and cooling zone：First position be chassis charging after with ventilating and cooling
Front intersection, first position detector unit are arranged at the first position, and export chassis into the first signal of cooling zone,
The signal element opens control signal according to the first signal output valve；The second place is cold with ventilation before chassis discharging
But the intersection after, second place detector unit are arranged at the second place, and export chassis into the second of non-cooled area
Signal, the signal element is according to the secondary signal output valve closing control signal.
Preferably, the position detection unit is travel switch or proximity switch.
The central cooler that the present invention is provided, including cooling wind grass-hopper, the cooling wind grass-hopper are specially such as front institute
The central cooler cooling wind grass-hopper stated.
Based on using the air-cooled central cooler cooled down to material on chassis of forced-air blast, the present invention is transferred for cooling wind
The trolley air inlet pipe of device has carried out Curve guide impeller, specifically, Ventilating valve is provided with trolley air inlet pipe, is entered with controlling chassis
The on or off of airduct.It is arranged such, the on or off of trolley air inlet pipe can be controlled as needed, when chassis runs
To discharging with ventilating and cooling after intersection when, the Ventilating valve can be closed, and worked as chassis and run to charging and ventilation
During intersection before cooling, the Ventilating valve can be opened, with it is simple and reasonable for structure the characteristics of, can both avoid annular passage
In non-cooled area to air short circuit, annular passage can be normally made to provide cooling wind to chassis in cooling zone again.
Description of the drawings
Fig. 1 is the overall structure diagrammatic top view of existing central cooler；
A-A sectional views of the Fig. 2 for Fig. 1；
B-B partial sectional views of the Fig. 3 for the non-cooled area of central cooler shown in Fig. 1；
Fig. 4 shows the device relation schematic diagram of trolley air inlet pipe described in specific embodiment；
Fig. 5 is the switch control rule theory structure block diagram of Ventilating valve described in specific embodiment.
In Fig. 4 and Fig. 5：
Trolley air inlet pipe 41, chassis air inlet 42, gate sealing device air outlet 43, Ventilating valve 44, annular liquid flume 45,
Gate sealing device 46, signal element 47, first position detector unit 48, second place detector unit 49.
Specific embodiment
The core of the present invention is to provide a kind of circular cooler trolley blast pipe, can reduce fan energy use by structure optimization,
Simultaneously effective control dust polluting environment problem, compared with prior art, is meeting to cooling zone chassis reliable delivery cooling
On the basis of wind, annular passage can be evaded completely in non-cooled area to air short circuit.
Without loss of generality, present embodiment is illustrated with reference to Figure of description.
In present embodiment, constitute central cooler basic function part and its position annexation each other with it is existing
Technology is identical, can in the lump referring to Fig. 1 and Fig. 2.Specifically, each chassis is articulated with chassis backbar on front side of which, and its chassis is combed
On the inside of plate and its forward and backward chassis backbar and the chassis of its both sides, on the outside of sideboard and chassis, sideboard constitutes mineral aggregate receiving space, point
Circumference not along central cooler sets gradually；In the course of work, along the guide rail being fixedly arranged on support, chassis surrounds ring with backbar
The center steering motion of cold, completes the operations such as cloth, cooling and discharging.Wherein, the operation for cooling down mineral aggregate passes through supply air system
Implement；In the annular passage of supply air system, cooling zone is filled with the gate sealing corresponding to non-cooled area and its critical part
It is whole circle connection to put between inside and outside ring flat-plate.Here, it is fixed as benchmark using central cooler center that the involved noun of locality is inside and outside
Justice, the involved noun of locality is forward and backward to be defined on the basis of the rotation direction of central cooler.
It should be noted that the structure and working principle of aforementioned main function components is essentially identical with prior art, ability
The technical staff in domain is based on prior art completely it is achieved that therefore repeating no more herein.It is cold to elaborate ring of the present invention
The optimization design of machine trolley blast pipe, refers to Fig. 4, and the figure is the assembling of circular cooler trolley blast pipe described in present embodiment
Relation schematic diagram.
The circular cooler trolley blast pipe 41 is used to connect chassis air inlet 42 and gate sealing device air outlet 43；Meanwhile,
Ventilating valve 44 is provided with the trolley air inlet pipe 41, to control the on or off of trolley air inlet pipe 41, that is to say, that can
To adjust its conducting state as needed.During concrete setting, Ventilating valve 44 can be arranged on the straight type section of trolley air inlet pipe 41,
In order to be processed assembling.Wherein, the setting quantity of trolley air inlet pipe 41 can be set according to actual needs, each
Car blast pipe 41 is correspondingly arranged a Ventilating valve 44, it will be appreciated that the setting quantity of trolley air inlet pipe 41 is asked for the application
The technical scheme of protection is not construed as limiting.
The Ventilating valve 44 can adopt electrically ventilating butterfly valve, pneumatic ventilation butterfly valve or butterfly valve of divulging information manually, worked
Cheng Zhong, the disk closure member of butterfly valve rotate to realize what is opened and closed around valve shaft.Certainly, aforementioned Ventilating valve 44 can also
Using the valve of other structures form, comparatively speaking, the cut-out and throttling that carry out path simple and reliable for structurely of butterfly valve are
Optimal case.It is further preferred that the draught area of Ventilating valve 44 is equal to or slightly greater than the draught area of trolley air inlet pipe 41,
To avoid Ventilating valve 44 from forming the windage into chassis cold air.
Wherein, requirements for automatic control can also be met using the electric and pneumatic butterfly valve for realizing valve opening operation, can be entered
One step improves operability.
On this basis, the present invention also provides a kind of central cooler cooling wind grass-hopper.It is same as the prior art, the cooling
Wind grass-hopper includes the annular passage being made up of annular liquid flume 45 and gate sealing device 46, and aforementioned trolley air inlet pipe
44.Similarly, the concrete structure and operation principle of annular liquid flume 45 and gate sealing device 46 are essentially identical with prior art, this
The technical staff in field is based on prior art completely it is achieved that repeating no more herein.
In order to realize automatically controlling for electrically ventilating butterfly valve or pneumatic ventilation butterfly valve, also including signal element 47, the signal
Unit 47 can be according to the operating position output switch control signal of chassis, to control opening or the closing of each Ventilating valve 44.
Specifically, when chassis is run to discharging with intersection after ventilating and cooling, the Ventilating valve is closed, and works as chassis operation
To feed after with ventilating and cooling before intersection when, open the Ventilating valve, can both avoid annular passage in non-cooled area to big
Shortness of breath road, can normally make annular passage provide cooling wind to chassis in cooling zone again.
Obviously, two operating position output control command signals according to chassis are needed exist for, respectively positioned at non-cooled area
At two boundaries position of cooling zone；Wherein, first position be chassis charging after with ventilating and cooling before intersection C, second
Position be before chassis discharging with ventilating and cooling after intersection D, particular location can be found in shown in Fig. 3；Certainly, operating position
A point for being not limited to shown in figure is defined, two in this programme operating position should be a range of region,
As long as taking into account cooling zone reliable delivery cooling wind and non-cooled area avoiding requiring air two schemes of short circuit, please in the application
Ask in the range of protection.
Specifically, the two operating positions of chassis can be detected by two position detection units, first position
Detector unit 48 is arranged at first position, when chassis is through the first position, the output chassis of first position detector unit 48
Into the first signal of cooling zone, signal element 47 opens the control signal of Ventilating valve 44 according to first signal output, and
Remain on up to the chassis and complete material cooling, into the second place；Second place detector unit 49 is arranged at
The second place, and chassis is exported into the secondary signal in non-cooled area, signal element 47 closes ventilation according to secondary signal output
The control signal of valve 44, and remain off until thus the chassis enters back into the next one and follow into the first position
Ring process.
The operation principle of the present invention is sketched with reference to Fig. 5.
When central cooler runs, operating before chassis charging is backward, when chassis is through being fixedly installed on intersection C on central cooler
During the detector unit 48 of first position, Ventilating valve 44 is opened according to control instruction, and to valve wide open, simultaneously state is maintained；Into cold
But area, chassis are connected by the annular passage that trolley air inlet pipe cools down wind grass-hopper with blower system, are cooled down wind and are entered chassis
Heat exchange is carried out with the material on chassis, is then become heat smoke and is discharged from material charge level.When chassis operating is through being fixedly installed
On central cooler during the second place detector unit 49 of intersection D, Ventilating valve 44 is closed according to control instruction, fully closed to valve
Simultaneously state is maintained afterwards；Into non-cooled area, chassis cools down the annular passage cut-out of wind grass-hopper, annular passage with blower system
Cooling wind do not enter back into chassis, until trolley body inclines discharging along Orbit unloaded skip, then to resetting, charging finishes.
In addition, two position detection units in this programme can be travel switch or proximity switch, can be accurate
Ground obtains the target operational position of chassis.Additionally, electrically ventilating butterfly valve is different with the drive form of pneumatic ventilation butterfly valve, it is actual to control
Technology processed is slightly different, and can realize corresponding control according to prior art respectively.
The preferred embodiment of the present invention is the foregoing is only, limiting the scope of the present invention is not constituted.It is any
Any modification, equivalent and improvement for being made within the spirit and principles in the present invention etc., should be included in the power of the present invention
Within the scope of profit is claimed.
Claims (10)
1. circular cooler trolley blast pipe, for connecting the air outlet of chassis air inlet and gate sealing device；Characterized in that, institute
State, to control the on or off of the trolley air inlet pipe, the Ventilating valve
With the first working condition closed when the chassis is run to discharging with intersection after ventilating and cooling and at described
The second working condition that car is opened when running to charging with intersection before ventilating and cooling.
2. circular cooler trolley blast pipe according to claim 1, it is characterised in that the Ventilating valve is butterfly valve.
3. circular cooler trolley blast pipe according to claim 2, it is characterised in that the Ventilating valve is specially electronic logical
Wind butterfly valve, pneumatic ventilation butterfly valve or butterfly valve of divulging information manually.
4. circular cooler trolley blast pipe according to any one of claim 1 to 3, it is characterised in that the Ventilating valve
Draught area be equal to or more than the trolley air inlet pipe draught area.
5. central cooler cools down wind grass-hopper, including the annular passage being made up of annular liquid flume and gate sealing device, Yi Jiyu
The trolley air inlet pipe that each chassis is correspondingly arranged；Characterized in that, Ventilating valve is provided with the trolley air inlet pipe, to control
The on or off of the trolley air inlet pipe.
6. central cooler according to claim 5 cools down wind grass-hopper, it is characterised in that the Ventilating valve is specially electricity
Dynamic ventilation butterfly valve or pneumatic ventilation butterfly valve.
7. central cooler according to claim 6 cools down wind grass-hopper, it is characterised in that also including signal element, according to
The operating position output switch control signal of the chassis, to control opening or the closing of the Ventilating valve.
8. central cooler according to claim 7 cools down wind grass-hopper, it is characterised in that the operating position of the chassis by
Two position detection units are detected, two position detection units are separately positioned on two of non-cooled area and cooling zone
At the position of boundary：First position be after chassis charging with ventilating and cooling before intersection, first position detector unit is arranged at institute
First position being stated, and chassis being exported into the first signal of cooling zone, the signal element is according to the first signal output valve
Door opens control signal；The second place be chassis discharging before with ventilating and cooling after intersection, second place detector unit arrange
In the second place, and chassis is exported into the secondary signal in non-cooled area, the signal element is according to the secondary signal
Output valve closing control signal.
9. central cooler according to claim 8 cools down wind grass-hopper, it is characterised in that the position detection unit is row
Cheng Kaiguan or proximity switch.
10. central cooler, including cooling wind grass-hopper, it is characterised in that the cooling wind grass-hopper is specially claim 5
To the central cooler cooling wind grass-hopper any one of 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310328475.9A CN104344727B (en) | 2013-07-31 | 2013-07-31 | Central cooler and its cooling wind grass-hopper, trolley air inlet pipe |
| PCT/CN2014/082693 WO2015014223A1 (en) | 2013-07-31 | 2014-07-22 | Annular cooler, cooling air transfer device thereof and trolley air inlet pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310328475.9A CN104344727B (en) | 2013-07-31 | 2013-07-31 | Central cooler and its cooling wind grass-hopper, trolley air inlet pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104344727A CN104344727A (en) | 2015-02-11 |
| CN104344727B true CN104344727B (en) | 2017-04-05 |
Family
ID=52430979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310328475.9A Active CN104344727B (en) | 2013-07-31 | 2013-07-31 | Central cooler and its cooling wind grass-hopper, trolley air inlet pipe |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104344727B (en) |
| WO (1) | WO2015014223A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106257226B (en) * | 2015-06-17 | 2018-09-28 | 中冶长天国际工程有限责任公司 | Ring cold machine and its trolley air inlet |
| CN106839559A (en) * | 2016-12-20 | 2017-06-13 | 贵州安顺惠烽科技发展有限公司 | Simple air cooling equipment |
| CN107449282B (en) * | 2017-08-31 | 2023-06-16 | 中冶华天工程技术有限公司 | End sealing device of water sealing ring cooling machine |
| CN109282657B (en) * | 2018-10-17 | 2024-02-20 | 张志良 | Multi-point multi-face independent air supply static sealing ring cooling machine |
| CN111735313A (en) * | 2020-06-30 | 2020-10-02 | 中冶华天工程技术有限公司 | Novel sealing device of water sealing ring cooler |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101929804A (en) * | 2009-06-26 | 2010-12-29 | 中冶长天国际工程有限责任公司 | Circular cooler air inlet system |
| CN202141344U (en) * | 2011-07-11 | 2012-02-08 | 重庆钢铁(集团)有限责任公司 | Blast system of rotary forced-air cooler |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100567868C (en) * | 2007-09-03 | 2009-12-09 | 中冶长天国际工程有限责任公司 | A kind of improved rotary forced-air cooler |
| CN101424484B (en) * | 2008-11-12 | 2010-06-02 | 昆明阳光基业股份有限公司 | Control method and device for stabilizing and enhancing sintered ring cooling wind temperature while smelting steel |
| CN101738095B (en) * | 2008-11-21 | 2012-06-27 | 中冶长天国际工程有限责任公司 | Air inlet system for circular cooler and annular air passage and annular liquid tank |
| EP2362174A1 (en) * | 2010-01-29 | 2011-08-31 | Claudius Peters Projects GmbH | Device for cooling bulk material |
| CN202470758U (en) * | 2012-03-06 | 2012-10-03 | 杨东进 | Rotary sintering machine |
-
2013
- 2013-07-31 CN CN201310328475.9A patent/CN104344727B/en active Active
-
2014
- 2014-07-22 WO PCT/CN2014/082693 patent/WO2015014223A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101929804A (en) * | 2009-06-26 | 2010-12-29 | 中冶长天国际工程有限责任公司 | Circular cooler air inlet system |
| CN202141344U (en) * | 2011-07-11 | 2012-02-08 | 重庆钢铁(集团)有限责任公司 | Blast system of rotary forced-air cooler |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104344727A (en) | 2015-02-11 |
| WO2015014223A1 (en) | 2015-02-05 |
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