CN105180662A - High-temperature particulate material stage cooling method and device - Google Patents
High-temperature particulate material stage cooling method and device Download PDFInfo
- Publication number
- CN105180662A CN105180662A CN201510483976.3A CN201510483976A CN105180662A CN 105180662 A CN105180662 A CN 105180662A CN 201510483976 A CN201510483976 A CN 201510483976A CN 105180662 A CN105180662 A CN 105180662A
- Authority
- CN
- China
- Prior art keywords
- material bed
- cooling
- feeding mouth
- cooling device
- comb formula
- Prior art date
- 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.)
- Granted
Links
Landscapes
- Crushing And Pulverization Processes (AREA)
- Furnace Details (AREA)
Abstract
The invention discloses a high-temperature particulate material stage cooling method. According to the method, a feed inlet of a cooling material bed is transversely divided into an upper area and a lower area by a retaining wall the bottom of which is suspended, particle classification and quenching are conducted on high-temperature particulate materials discharged from a rotary kiln with airflow, coarse particulate materials obtained after classification fall into the upper area of the feed inlet of the cooling material bed to form a coarse particle material bed for thick material bed countercurrent heat exchange, fine particulate materials obtained after classification fall into the lower area of the feed inlet of the cooling material bed, and the coarse particulate materials subjected to countercurrent heat exchange enter the lower area of the feed inlet of the cooling material bed through the bottom of the retaining wall to be cooled on the cooling material bed together with the fine particulate materials in the lower area. The invention further discloses a high-temperature particulate material stage cooling device adopting the method. The high-temperature particle classification technique is adopted, the coarse particles are cooled on the thick material bed, the amount of cooling air can be reduced, the heat recovery efficiency of a system can be improved, and then energy is saved.
Description
Technical field
The invention belongs to Thermal Equipment technical field, relate to method and the device of the cooling of a kind of high-temperature particle shape stock grading.
Background technology
The discharging of many Industrial Stoves is high-temperature particle shape material, as clinker, lime, alumina clinker, iron ore sinter etc., needs to cool and recuperation of heat it.Improve the direction that heat recovery efficiency is cooler Continual Improvement.
For manufacture of cement, cooler is one of important equipment of cement firing system, carries the tasks such as the cooling of clinker, conveying and heat recovery.Slide slotted cooler is the cooler pattern adopted at present extensively, and its development experience first, second, third forth generation course till now, its gas-solid heat exchange mode is cross-flow heat exchange always.The thickness of feed layer of the now widely used third generation and forth generation grate cooler is generally at 600 ~ 900mm, and a compartment pressure is at 5000 ~ 10000Pa, and heat recovery efficiency is between 65 ~ 75%.If the thickness of feed layer of grog significantly can be improved, increase the gas-solid heat exchange time, realize countercurrent flow, just can improve the heat recovery efficiency to grog, realize energy-saving and cost-reducing.But the grog domain size distribution going out rotary kiln is wide in range, and fine grained is filled among coarse grained gap, make the resistance of the bed of material comparatively large, significantly improve thickness of feed layer and materialbeds comminution certainly will be caused significantly to improve, thus increase system power consumption.
Summary of the invention
The present invention provides a kind of high-temperature particle shape stock grading cooling means and device for solving in known technology the technical problem that exists, and the method and this device, while raising heat recovery efficiency, can reduce system energy consumption.
The technical scheme that the present invention takes for the technical problem existed in solution known technology is: a kind of high-temperature particle shape stock grading cooling means, adopt the unsettled barricade in bottom that the feeding mouth of cooling material bed is laterally separated into upstream and downstream two regions, air-flow is adopted to carry out gradation and chilling to the high-temperature particle shape material going out rotary kiln, the coarse granule material after classification is made to fall into cooling material bed feeding mouth upstream region, form coarse granule material bed and carry out thick material bed countercurrent flow, the fine granular materials after classification is made to fall into cooling material bed feeding mouth downstream area, coarse granule material through countercurrent flow cools together with the fine granular materials in the above that falls by entering cooling material bed feeding mouth downstream area bottom barricade on cooling material bed.
The thickness of coarse granule material bed is 1.0 ~ 4.0 meters.
Hydraulic thrust materials device or application activity grate is provided with, by adjusting thickness and the materialbeds comminution of the promotion FREQUENCY CONTROL coarse granule material bed of hydraulic thrust materials device or movable grate bottom coarse granule material bed.
Another technical scheme that the present invention takes for the technical problem existed in solution known technology is: the high-temperature particle shape stock grading cooling device adopting said method, comprise comb formula cooling device, the feeding mouth of described comb formula cooling device is connected with the discharging opening of described rotary kiln, the barricade that bottom is unsettled is provided with at the feeding mouth place of described comb formula cooling device, the feeding mouth of described comb formula cooling device is laterally separated into upstream and downstream two regions by described barricade, and described barricade is fixed on the sidewall of described comb formula cooling device; Below the discharging opening of described rotary kiln, be provided with air flow blowing device, described air flow blowing device is positioned at above the feeding mouth of described comb formula cooling device.
Hydraulic thrust materials device is provided with bottom the feeding mouth upstream region of described comb formula cooling device.
The part of described comb formula cooling device its feeding mouth upstream region corresponding adopts movable grate.
The advantage that the present invention has and good effect are:
1) large or fine granule adopts the thick material bed type of cooling to cool coarse granule material after being separated, be conducive to the materialbeds comminution reducing coarse granule shape material, therefore the material bed thickness of coarse granule shape material can significantly be improved, pass through countercurrent flow, extend the time of staying of cooling-air in coarse granule material bed, and then improve the heat recovery efficiency to high-temperature material.
2) large or fine granule adopts the thick material bed type of cooling to cool coarse granule material after being separated, because of materialbeds comminution skewness that size segregation causes when being conducive to avoiding large or fine granule jointly to cool, thus be conducive to avoiding the phenomenon such as air flow shortcircuit, fines " Red River ", improve the heat recovery efficiency to grog, improve clinker cooling effect.
3) gradation cooling is while raising heat recovery efficiency, can reduce cooling air quantity, reduces system energy consumption, and reduces to take up an area and specification of equipment, reduces system investments.
Accompanying drawing explanation
Fig. 1 is the apparatus structure schematic diagram adopting a kind of high-temperature particle shape of the present invention stock grading cooling means.
In figure: 1 is rotary kiln, 2 is wicket covers, and 3 is burners, and 4 is air flow blowing devices, 5 is barricades, and 6 is cooling material bed feeding mouth upstream regions, and 7 is hydraulic thrust materials devices, and 8 is comb formula cooling devices, 9 is that air port got by waste heat boiler, and 10 is lingering remnants of past customs outlets, and 11 is chamotte crushers.
Detailed description of the invention
For summary of the invention of the present invention, Characteristic can be understood further, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
Refer to Fig. 1, a kind of high-temperature particle shape stock grading cooling means, adopt the unsettled barricade 5 in bottom that the feeding mouth of cooling material bed is laterally separated into upstream and downstream two regions, air-flow is adopted to carry out gradation and chilling to the high-temperature particle shape material going out rotary kiln 1, the coarse granule material after classification is made to fall into cooling material bed feeding mouth upstream region, form coarse granule material bed and carry out thick material bed countercurrent flow, the fine granular materials after classification is made to fall into cooling material bed feeding mouth downstream area, coarse granule material through countercurrent flow cools together with the fine granular materials in the above that falls by entering cooling material bed feeding mouth downstream area bottom barricade 5 on cooling material bed.
In the above-described embodiments, the thickness of coarse granule material bed is 1.0 ~ 4.0 meters.Hydraulic thrust materials device 7 or application activity grate is provided with, by adjusting thickness and the materialbeds comminution of the promotion FREQUENCY CONTROL coarse granule material bed of hydraulic thrust materials device 7 or movable grate bottom coarse granule material bed.
Adopt the high-temperature particle shape stock grading cooling device of said method, comprise comb formula cooling device 8, the feeding mouth of described comb formula cooling device 8 is connected with the discharging opening of described rotary kiln 1, the barricade 5 that bottom is unsettled is provided with at the feeding mouth place of described comb formula cooling device 8, the feeding mouth of described comb formula cooling device 8 is laterally separated into upstream and downstream two regions by described barricade 5, and described barricade 5 is fixed on the sidewall of described comb formula cooling device 8; Below the discharging opening of described rotary kiln 1, be provided with air flow blowing device 4, described air flow blowing device 4 is positioned at above the feeding mouth of described comb formula cooling device 8.
The surface of above-mentioned barricade 5 is provided with refractory material, leaves a setting height bottom the lower edge of barricade 5 and cooling material bed.The top of above-mentioned comb formula cooling device 8 is cooling material beds, and be the multiple air compartments mutually separated below material bed, each air compartment is configured with corresponding cooling blower according to air quantity and blast demand.Waste heat boiler can be set from upstream to downstream respectively at the top of above-mentioned comb formula cooling device 8 and get air port 9 and lingering remnants of past customs outlet 10, chamotte crusher 11 is set at the afterbody of comb formula cooling device 8 or middle part.The discharging opening of rotary kiln 1 is provided with wicket cover 2, at wicket cover 2, burner 3 is installed.
In the present embodiment, follow-up cooling is carried out in order to enable to enter feeding mouth downstream area smoothly through countercurrent flow cooled coarse granule material in described comb formula cooling device 8 feeding mouth upstream region, hydraulic thrust materials device 7 can be set bottom the feeding mouth upstream region of described comb formula cooling device 8, utilize hydraulic thrust materials device 7 coarse granule to be pushed downstream area and continue cooling.Movable grate can also be adopted in the part of described comb formula cooling device 8 its feeding mouth upstream region corresponding, be moved back and forth by the device on movable grate and coarse granule is sent into downstream area continuation cooling.
Above-described embodiment is the method and apparatus for cement clinker particles classification cooling, and its operation principle is:
Supply a small amount of wind by high pressure positive blower or air compression station to air flow blowing device 4, after air flow blowing device 4 accelerates, form high velocity air.High velocity air has larger momentum, can carry out gradation and chilling to the high temperature chamotte going out rotary kiln 1.Coarse granule material is less by the impact of high velocity air, falls into from the cooling material bed feeding mouth upstream region 6 close to kilneye, form the coarse granule material bed of 1.0 ~ 4.0 meters after gradation.The cooling-air that below air compartment blasts and coarse granule material bed carry out sufficient thick material bed countercurrent flow.Coarse granule through blocked up material bed cooling is continued cooling by the follow-up grate that hydraulic thrust materials device 7 or movable grate send into comb formula cooling device 8.Coarse granule material bed thickness can be controlled by the promotion frequency of adjustment hydraulic thrust materials device 7.Fine grained is comparatively large by the impact of high velocity air, moves to the cooling material bed feeding mouth downstream area being positioned at barricade 5 opposite side, and directly drop on out on the coarse granule bed of material of upstream region with high velocity air.Slightly, fine grained is jointly cooled to target temperature (being generally 65 DEG C+environment temperature) in the follow-up grate of comb formula cooling device 8.Cooling-air through cooling material bed feeding mouth upstream region and comb formula cooling device 8 front end is heated to 900 ~ 1200 DEG C, is used as into kiln Secondary Air and enters stove tertiary air to reclaim heat content.Through in comb formula cooling device 8, the cooling-air of back segment can be used for cogeneration after being heated, all the other low temperature lingering remnants of past customs are outer row after gathering dust.
The cooling air quantity of existing cement clinker grate cooler is generally 1.9 ~ 2.3Nm
3/ kgcl, heat recovery efficiency is between 65 ~ 75%.Adopt the technical scheme of the present embodiment, cooling air quantity can be down to 1.2 ~ 1.8Nm
3/ kgcl, heat recovery efficiency can be increased to more than 80%.The present invention adopts high-temperature particle classification technique, and coarse granule adopts the thick material bed type of cooling, is conducive to reducing cooling air volume, improves system heat recovery efficiency, thus realizes energy-conservation.
The present embodiment is only preferred embodiment of the present invention, and is not used to limit the present invention.Carrying out gradation cooling to high-temperature particle shape material is technological core of the present invention.The position of chamotte crusher both can at the afterbody of comb formula cooling device, also can at the middle part of comb formula cooling device.All according to technical spirit of the present invention to any simple modification made for any of the above embodiments, all still belong in the scope of technical solution of the present invention.
Claims (6)
1. a high-temperature particle shape stock grading cooling means, it is characterized in that, adopt the unsettled barricade in bottom that the feeding mouth of cooling material bed is laterally separated into upstream and downstream two regions, air-flow is adopted to carry out gradation and chilling to the high-temperature particle shape material going out rotary kiln, the coarse granule material after classification is made to fall into cooling material bed feeding mouth upstream region, form coarse granule material bed and carry out thick material bed countercurrent flow, the fine granular materials after classification is made to fall into cooling material bed feeding mouth downstream area, coarse granule material through countercurrent flow cools together with the fine granular materials in the above that falls by entering cooling material bed feeding mouth downstream area bottom barricade on cooling material bed.
2. high-temperature particle shape stock grading cooling means according to claim 1, it is characterized in that, the thickness of coarse granule material bed is 1.0 ~ 4.0 meters.
3. high-temperature particle shape stock grading cooling means according to claim 1 or 2, it is characterized in that, hydraulic thrust materials device or application activity grate is provided with, by adjusting thickness and the materialbeds comminution of the promotion FREQUENCY CONTROL coarse granule material bed of hydraulic thrust materials device or movable grate bottom coarse granule material bed.
4. one kind adopts the high-temperature particle shape stock grading cooling device of method as claimed in claim 1, comprise comb formula cooling device, the feeding mouth of described comb formula cooling device is connected with the discharging opening of described rotary kiln, it is characterized in that, the barricade that bottom is unsettled is provided with at the feeding mouth place of described comb formula cooling device, the feeding mouth of described comb formula cooling device is laterally separated into upstream and downstream two regions by described barricade, and described barricade is fixed on the sidewall of described comb formula cooling device; Below the discharging opening of described rotary kiln, be provided with air flow blowing device, described air flow blowing device is positioned at above the feeding mouth of described comb formula cooling device.
5. high-temperature particle shape stock grading cooling device according to claim 4, is characterized in that, bottom the feeding mouth upstream region of described comb formula cooling device, be provided with hydraulic thrust materials device.
6. high-temperature particle shape stock grading cooling device according to claim 4, is characterized in that, the part of described comb formula cooling device its feeding mouth upstream region corresponding adopts movable grate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510483976.3A CN105180662B (en) | 2015-08-07 | 2015-08-07 | High-temperature particulate material stage cooling method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510483976.3A CN105180662B (en) | 2015-08-07 | 2015-08-07 | High-temperature particulate material stage cooling method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105180662A true CN105180662A (en) | 2015-12-23 |
| CN105180662B CN105180662B (en) | 2017-05-24 |
Family
ID=54902924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510483976.3A Active CN105180662B (en) | 2015-08-07 | 2015-08-07 | High-temperature particulate material stage cooling method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105180662B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105546976A (en) * | 2016-01-07 | 2016-05-04 | 湖南大学 | Grate cooler |
| CN106197051A (en) * | 2016-08-31 | 2016-12-07 | 大峘集团有限公司 | A kind of solid material chiller |
| CN110066893A (en) * | 2019-05-13 | 2019-07-30 | 四川川润股份有限公司 | A kind of novel air heat-exchange device of cooling thermal slag |
| CN110668719A (en) * | 2019-11-14 | 2020-01-10 | 天津水泥工业设计研究院有限公司 | Vertical cement clinker grate type particle grading cooler and cooling method |
| CN110715547A (en) * | 2019-11-14 | 2020-01-21 | 天津水泥工业设计研究院有限公司 | Horizontal cement clinker grate type particle grading cooler and cooling method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2904323A (en) * | 1956-04-20 | 1959-09-15 | Cementir Cementerie Del Tirren | Cooling devices for the cement clinkers |
| AR000502A1 (en) * | 1994-12-07 | 1997-07-10 | Doumet Joseph E | Apparatus for the manufacture of bulk calcined material, especially cement clinker |
| CN2278191Y (en) * | 1997-02-05 | 1998-04-08 | 刘宗洲 | Slope cooling machine |
| JP2013133953A (en) * | 2011-12-26 | 2013-07-08 | Kawasaki Heavy Ind Ltd | Bulk material cooling device and bulk material cooling method |
| CN203642720U (en) * | 2013-12-15 | 2014-06-11 | 安阳中联水泥有限公司 | Waste heat recovery system of grate cooler |
| CN204007187U (en) * | 2014-08-23 | 2014-12-10 | 广东梅雁吉祥水电股份有限公司 | A kind of cleaning plant of chamotte cooler |
| CN204329638U (en) * | 2014-12-01 | 2015-05-13 | 登封市嵩基水泥有限公司 | The air-cooled modifying device of the poly-material of grate-cooler |
| CN205027138U (en) * | 2015-08-07 | 2016-02-10 | 天津水泥工业设计研究院有限公司 | High temperature graininess material stepped cooling device |
-
2015
- 2015-08-07 CN CN201510483976.3A patent/CN105180662B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2904323A (en) * | 1956-04-20 | 1959-09-15 | Cementir Cementerie Del Tirren | Cooling devices for the cement clinkers |
| AR000502A1 (en) * | 1994-12-07 | 1997-07-10 | Doumet Joseph E | Apparatus for the manufacture of bulk calcined material, especially cement clinker |
| CN2278191Y (en) * | 1997-02-05 | 1998-04-08 | 刘宗洲 | Slope cooling machine |
| JP2013133953A (en) * | 2011-12-26 | 2013-07-08 | Kawasaki Heavy Ind Ltd | Bulk material cooling device and bulk material cooling method |
| CN203642720U (en) * | 2013-12-15 | 2014-06-11 | 安阳中联水泥有限公司 | Waste heat recovery system of grate cooler |
| CN204007187U (en) * | 2014-08-23 | 2014-12-10 | 广东梅雁吉祥水电股份有限公司 | A kind of cleaning plant of chamotte cooler |
| CN204329638U (en) * | 2014-12-01 | 2015-05-13 | 登封市嵩基水泥有限公司 | The air-cooled modifying device of the poly-material of grate-cooler |
| CN205027138U (en) * | 2015-08-07 | 2016-02-10 | 天津水泥工业设计研究院有限公司 | High temperature graininess material stepped cooling device |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105546976A (en) * | 2016-01-07 | 2016-05-04 | 湖南大学 | Grate cooler |
| CN106197051A (en) * | 2016-08-31 | 2016-12-07 | 大峘集团有限公司 | A kind of solid material chiller |
| CN106197051B (en) * | 2016-08-31 | 2018-04-17 | 大峘集团有限公司 | A kind of solid material cooling device |
| CN110066893A (en) * | 2019-05-13 | 2019-07-30 | 四川川润股份有限公司 | A kind of novel air heat-exchange device of cooling thermal slag |
| CN110066893B (en) * | 2019-05-13 | 2023-12-19 | 四川川润股份有限公司 | Air heat exchange device for cooling thermal state slag |
| CN110668719A (en) * | 2019-11-14 | 2020-01-10 | 天津水泥工业设计研究院有限公司 | Vertical cement clinker grate type particle grading cooler and cooling method |
| CN110715547A (en) * | 2019-11-14 | 2020-01-21 | 天津水泥工业设计研究院有限公司 | Horizontal cement clinker grate type particle grading cooler and cooling method |
| CN110668719B (en) * | 2019-11-14 | 2024-02-23 | 天津水泥工业设计研究院有限公司 | Vertical cement clinker grate type particle grading cooler and cooling method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105180662B (en) | 2017-05-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105180662A (en) | High-temperature particulate material stage cooling method and device | |
| CN103934082A (en) | Novel mineral slag grinding system | |
| CN203862359U (en) | Novel slag grinding system | |
| CN202853402U (en) | High-efficient heat recovery type sinter mine cooling system | |
| CN105066718B (en) | Comprehensive utilization system for sintering waste heat | |
| CN105021049A (en) | Vertical cooling tower and sintering waste heat comprehensive utilization system | |
| CN211695832U (en) | Vertical cement clinker pneumatic particle grading cooler | |
| CN106556258A (en) | Sintering mine sensible heat retracting device and its using method | |
| CN106225487A (en) | A kind of vertical cooling of agglomerates of sintered pellets and sintering waste heat utilization system | |
| CN205027138U (en) | High temperature graininess material stepped cooling device | |
| CN101135455A (en) | Conveyor having cooling down function and cooling down slag method | |
| CN111426206A (en) | Sintering cooling and waste heat recovery integrated kiln | |
| CN210773373U (en) | Horizontal cement clinker grate type particle grading cooler | |
| CN201637286U (en) | Sintering waste heat cascade utilization device | |
| CN110715547B (en) | Horizontal cement clinker grate type particle grading cooler and cooling method | |
| CN204923908U (en) | System is used multipurposely to sintering cooling tower and sintering waste heat | |
| CN204902609U (en) | System is used multipurposely to sintering waste heat | |
| CN107796226B (en) | Sintering ore grate furnace cooling and waste heat utilization device and waste heat utilization method | |
| CN105154662A (en) | Rare earth mineral powder calcination decomposition systems and processes thereof | |
| CN207727098U (en) | Clinker wind quenching granulating device | |
| CN109654893B (en) | Sintered ore air draft type vertical cooling furnace and sintered ore cooling method | |
| CN214747299U (en) | Device for producing mineral admixture by using coal gangue | |
| CN107723397A (en) | Clinker wind quenching granulating device | |
| KR101377629B1 (en) | Sintering apparatus and controlling method thereof | |
| JPS5941937B2 (en) | Cooling device for high temperature powder and granular materials |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170918 Address after: Tianjin District of Beichen city in the 300400 major North Road No. 1 Co-patentee after: Tianjin Sinoma Engineering Research Center Co., Ltd. Patentee after: Tianjin Cement Industry Design & Research Institute Co., Ltd. Address before: Tianjin District of Beichen city in the 300400 major North Road No. 1 Patentee before: Tianjin Cement Industry Design & Research Institute Co., Ltd. |
|
| TR01 | Transfer of patent right |