CN103322818A - Cement clinker cooling system and method - Google Patents
Cement clinker cooling system and method Download PDFInfo
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- CN103322818A CN103322818A CN2013102046166A CN201310204616A CN103322818A CN 103322818 A CN103322818 A CN 103322818A CN 2013102046166 A CN2013102046166 A CN 2013102046166A CN 201310204616 A CN201310204616 A CN 201310204616A CN 103322818 A CN103322818 A CN 103322818A
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Abstract
The invention discloses a cement clinker cooling system and method. The cooling system comprises a rotary kiln, a hot kiln hood, an annular cooling machine, a bag-type dust collector, a zipper machine, a crusher and a bucket chain conveyor. The annular cooling machine is divided into three cooling sections. Cement clinker is cooled through the three cooling sections, and hot air generated in each cooling section is utilized. The cement clinker cooling system and method can overcome the defects in the prior art of being large in device investment, floor area and civil engineering investment, more in accessory devices, troublesome in device maintaining and overhauling and the like.
Description
Technical field
The invention belongs to the technology of producing cement field, be specifically related to a kind of clinker cooling system and cooling means.
Background technology
At the beginning of the rotary kiln of cement industry is born, do not have any clinker cooling equipment, the grog of heat dumps in open storage ground and naturally cools off.The late 19th century occurs single cylinder cooling machine, planetary cooler occurred again subsequently.Nineteen thirty, Germany Bai Li Hughes Electronics succeeded in developing the revolution grate cooler on the basis of having invented lepol kiln.Nineteen thirty-seven, U.S. Fuller Co. began to produce the First slide slotted cooler.Over more than 100 year, in the spring tide of international cement industrial technology progress, through updating, what the update tremendous development had eliminates.At present, new type nonaqueous cement becomes to produce the main flow technique that line becomes current manufacture of cement.What new type nonaqueous cement clinker cooling equipment was used is grate-cooler, and grate-cooler is the critical host equipment in cement plant, and its major function is that clinker is cooled off, carries; For rotary kiln and dore furnace etc. provides hot-air, be the capital equipment of firing system recuperation of heat simultaneously.
Grate-cooler can be divided into vibration-type, swinging and driving three types according to the double-edged fine-toothed comb motion mode.In the cement industry evolution, along with producing the summary of maximizing and putting into practice, the vibration-type grate-cooler all is eliminated because grate cooler is turned round owing in the reasons such as adaptability, clinker cooling temperature and the thermal efficiency to the grog change of granularity in the aspects such as vibrations spring design and material.The driving grate-cooler has become the capital equipment of contemporary clinker cooling.But, investment is large, power consumption is high, wearing and tearing are large because grate-cooler has, complex technical process, auxiliary device are too much, easy generation " Red River ", " making a snowman " phenomenon in the clinker cooling procedure, Deng shortcomings, cost of investment and the production cost in cement plant are increased, and this technical process is unfavorable for the sustainable development of cement industry.
Summary of the invention
The object of the invention is to the defective for the prior art existence, propose a kind of cooling system and cooling means of clinker, can overcome the shortcomings such as existing technological equipment investment is large, floor space is large, construction investment is large, auxiliary device is many, plant maintenance maintenance trouble.
To achieve these goals, the present invention adopts technical scheme as described below:
A kind of cooling system of clinker, comprise rotary kiln, kiln head cover, annular cooler, sack cleaner, machine for zipper, disintegrating machine and bucket chain conveyor, be communicated with by kiln head cover between rotary kiln and the annular cooler, the feed end of described annular cooler is provided with the cloth tray that is positioned at kiln head cover, and cloth tray is positioned at the below of rotary kiln discharging port; Annular cooler is divided by its circumferential length the first cooling section, the second cooling section and the 3rd cooling section, first, two, the length of three cooling sections accounts for respectively 15%～30% of annular cooler circumferential length, 40%～60% and 15%～30%, first, two, be equipped with accordingly respectively 1 ~ 2 on three cooling sections, 2 ~ 4,1 ~ 2 Fans, described sack cleaner is connected with the 3rd cooling section of annular cooler, the discharging opening of annular cooler is connected with disintegrating machine, disintegrating machine links to each other with bucket chain conveyor, the below of the bellows on the annular cooler is provided with machine for zipper, and machine for zipper links to each other with bucket chain conveyor.
A kind of cooling means of clinker, clinker is dropped on the cloth tray that is positioned at kiln head cover by the discharge end of rotary kiln, clinker spreads to uniformly through cloth tray on the chassis of annular cooler and cools off, clinker is done uniform circular motion in annular cooler, the process of clinker in rotary kiln drops to the first cooling section, under the effect of the blower fan of the first cooling section, tentatively cool off, clinker through preliminary cooling continues cooling in the first cooling section, the hot blast that produces in the first cooling section enters in the dore furnace by the tertiary-air pipe that links to each other with the dore furnace of rotary kiln kiln head cover setting, is used for the material that enters in the rotary kiln is carried out preheating; Clinker enters into after through the first cooling section and continues cooling in the second cooling section, and the hot blast that produces in the second cooling section enters into waste heat power generation equipment or raw material roller mill or ball mill by hot air duct and is utilized; Clinker enters into after through the second cooling section and continues cooling in the 3rd cooling section, the hot blast that produces in the 3rd cooling section through with sack cleaner that annular cooler links to each other after, enter atmosphere; After three cooling sections cooling of clinker through annular cooler, enter into disintegrating machine via the discharging opening of annular cooler and carry out fragmentation, enter into bucket chain conveyor after fragmentation is finished and be admitted to cement clinker library.
Because adopt technique scheme, the present invention has following superiority:
(1) in the situation that same production line, identical film-cooled heat, the floor space of the annular cooler that uses among the present invention is 1/3～1/5 of grate-cooler floor space;
(2) annular cooler of the present invention can be arranged without factory building in the open, saves construction investment;
(3) high, the long service life of annular cooler equipment operation reliability of the present invention, operating cost is low, repair and maintenance is relatively convenient;
(4) annular cooler of the present invention is conducive to the uniform and concentrated of wind speed, air quantity, thereby can improves the cooling quality of grog owing to being the annular running;
(5) under identical film-cooled heat, the blower fan quantity that sets on the annular cooler is fewer, is equivalent to tradition and adopts about 1/4 of grate-cooler cooling usage quantity;
Description of drawings
Fig. 1 is process chart of the present invention;
Fig. 2 is the floor plan of annular cooler among the present invention;
Fig. 3 is a-a cutaway view among Fig. 2;
Fig. 4 is b-b cutaway view among Fig. 2;
Among the figure: the 1-rotary kiln; The 2-tertiary-air pipe; The 3-kiln head cover; The 4-annular cooler; The 5-cloth tray; The 6-disintegrating machine; The 7-machine for zipper; The 8-blower fan; The 9-bucket chain conveyor; The 10-sack cleaner; 11-the first cooling section; 12-the second cooling section; 13-the 3rd cooling section; The 14-chassis; The 15-bellows; The 16-grate plate.
The specific embodiment
In order to understand better the present invention, further illustrate content of the present invention below in conjunction with embodiment, but content of the present invention not only is confined to the following examples.
In conjunction with Fig. 1-Fig. 4, a kind of cooling system of clinker, comprise rotary kiln 1, kiln head cover 3, annular cooler 4, sack cleaner 10, machine for zipper 7, disintegrating machine 6 and bucket chain conveyor 9, be communicated with by kiln head cover 3 between rotary kiln 1 and the annular cooler 4, the feed end of described annular cooler 4 is provided with the cloth tray 5 that is positioned at kiln head cover 3, and cloth tray 5 is positioned at the below of rotary kiln 1 discharging port; Annular cooler 4 is divided by its circumferential length the first cooling section 11, the second cooling section 12 and the 3rd cooling section 13, first, two, the length of three cooling sections accounts for respectively 15%～30% of annular cooler circumferential length, 40%～60% and 15%～30%, first, two, be equipped with accordingly respectively 1 ~ 2 on three cooling sections, 2 ~ 4,1 ~ 2 Fans 8, described sack cleaner 10 is connected with the 3rd cooling section 13 of annular cooler 4, the discharging opening of annular cooler 4 is connected with disintegrating machine 6, disintegrating machine 6 links to each other with bucket chain conveyor 9, the below of the bellows 15 on the annular cooler is provided with machine for zipper 7, and machine for zipper 7 links to each other with bucket chain conveyor 9.
Utilize the method for the cooling system cooling clinker of described clinker, clinker is dropped on the cloth tray 5 that is positioned at kiln head cover 3 by the discharge end of rotary kiln 1, clinker spreads to uniformly through cloth tray 5 on the chassis 14 of annular cooler and cools off, clinker is done uniform circular motion in annular cooler, the process of clinker in rotary kiln 1 drops to the first cooling section 11, under the effect of the blower fan of the first cooling section, tentatively cool off, the hot blast temperature that produces is 900 ℃～1050 ℃, and this a part of hot blast can enter in the rotary kiln 1; Clinker through preliminary cooling continues cooling in the first cooling section, the hot blast temperature of the first cooling section 11 interior generations is 800 ℃～900 ℃, by at kiln head cover 3 tertiary-air pipe 2 that links to each other with the dore furnace of rotary kiln 1 kiln tail being set this part hot blast is sent in the dore furnace, is used for the material that enters in the rotary kiln is carried out preheating; Clinker enters in the second cooling section 12 after through the first cooling section, under the effect of the blower fan 8 that the second cooling section 12 sets, continue cooling, the hot blast temperature that produces in the second cooling section is 300 ℃～500 ℃, by hot air duct this part hot blast is sent in waste heat power generation equipment or raw material roller mill or the ball mill to be utilized; Clinker enters into the 13 interior continuation coolings of the 3rd cooling section after through the second cooling section, and the hot blast temperature of the 3rd cooling section 13 interior generations is 80 ℃～150 ℃, and this part hot blast enters atmosphere through behind the sack cleaner 10 that links to each other with annular cooler; After three cooling section coolings of clinker through annular cooler, enter into disintegrating machine 6 via the discharging opening of annular cooler 4 and carry out fragmentation, when entering disintegrating machine, the temperature of clinker is 65 ℃～120 ℃, the time of delivery of clinker in annular cooler is 30～45min, enters into bucket chain conveyor 9 after fragmentation is finished and is admitted to cement clinker library; In addition, in the process that clinker cools off in annular cooler, bled in the bellows 15 of annular cooler by the aperture on the grate plate 16 on the chassis in the annular cooler or the slit between grate plate, bleed in the machine for zipper 7 of bellows belows by the unloading valve that sets under bellows 15 base plates, the bulk cargo in the machine for zipper 7 is admitted to bucket chain conveyor 9 again.Cooling means of the present invention can improve the cooling effect of clinker greatly, shortens cool time.
Claims (2)
1. the cooling system of a clinker, comprise rotary kiln (1), kiln head cover (3), annular cooler (4), sack cleaner (10), machine for zipper (7), disintegrating machine (6) and bucket chain conveyor (9), it is characterized in that: be communicated with by kiln head cover between rotary kiln and the annular cooler, the feed end of described annular cooler is provided with the cloth tray (5) that is positioned at kiln head cover, and cloth tray is positioned at the below of rotary kiln discharging port; Annular cooler 4 is divided by its circumferential length the first cooling section (11), the second cooling section (12) and the 3rd cooling section (13), first, two, the length of three cooling sections accounts for respectively 15%～30% of annular cooler circumferential length, 40%～60% and 15%～30%, first, two, be equipped with accordingly respectively 1～2 on three cooling sections, 2～4,1～2 Fans (8), described sack cleaner (10) is connected with the 3rd cooling section (13) of annular cooler, the discharging opening of annular cooler (4) is connected with disintegrating machine (6), disintegrating machine links to each other with bucket chain conveyor (9), the below of the bellows on the annular cooler (15) is provided with machine for zipper (7), and machine for zipper links to each other with bucket chain conveyor.
2. the cooling means of a clinker, it is characterized in that: clinker is dropped on the cloth tray (5) that is positioned at kiln head cover by the discharge end of rotary kiln (1), clinker spreads to uniformly through cloth tray on the chassis (14) of annular cooler and cools off, clinker is done uniform circular motion in annular cooler, the process of clinker in rotary kiln drops to the first cooling section, under the effect of the blower fan of the first cooling section, tentatively cool off, clinker through preliminary cooling continues cooling in the first cooling section (11), the hot blast that produces in the first cooling section enters in the dore furnace by the tertiary-air pipe (2) that links to each other with the dore furnace of rotary kiln kiln head cover (3) setting, is used for the material that enters in the rotary kiln is carried out preheating; Clinker enters into after through the first cooling section and continues cooling in the second cooling section (12), and the hot blast that produces in the second cooling section enters into waste heat power generation equipment or raw material roller mill or ball mill by hot air duct and is utilized; Clinker enters into after through the second cooling section and continues cooling in the 3rd cooling section (13), the hot blast that produces in the 3rd cooling section through with sack cleaner (10) that annular cooler (4) links to each other after, enter atmosphere; After three cooling sections cooling of clinker through annular cooler, enter into disintegrating machine (6) via the discharging opening of annular cooler and carry out fragmentation, enter into bucket chain conveyor (9) after fragmentation is finished and be admitted to cement clinker library.
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| CN2013102046166A CN103322818A (en) | 2013-05-29 | 2013-05-29 | Cement clinker cooling system and method |
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| CN2013102046166A CN103322818A (en) | 2013-05-29 | 2013-05-29 | Cement clinker cooling system and method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107812559A (en) * | 2017-11-22 | 2018-03-20 | 遵义兴正业矿业有限公司 | A kind of disintegrating machine |
| CN107883776A (en) * | 2017-12-20 | 2018-04-06 | 徐州中矿大贝克福尔科技股份有限公司 | A kind of cooler and cooling means of high efficiency composition vertical cement calcination of chamotte |
| CN108502572A (en) * | 2018-03-07 | 2018-09-07 | 太仓北新建材有限公司 | A kind of control method of the cooling conveying equipment of switching |
| CN111718138A (en) * | 2020-07-01 | 2020-09-29 | 冯建新 | Novel dry-process cement clinker production device and process |
| CN113175822A (en) * | 2021-04-30 | 2021-07-27 | 胡锡文 | Pneumatic grading rotary cooler for cement clinker |
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| DE2532026A1 (en) * | 1974-07-29 | 1976-02-19 | Fives Cail Babcock | PROCESS FOR COOLING CEMENT CLINKERS WITH RECOVERY OF EXCESSIVE CALORIES AND INSTALLATION FOR CARRYING OUT THE PROCESS |
| US5018968A (en) * | 1988-06-15 | 1991-05-28 | Barreto Jose D | Revolving grate cooler for cooling of clinker or similar products |
| CN1072911A (en) * | 1991-11-27 | 1993-06-09 | F·L·司迈德斯公司 | Make the method for cement |
| CN1601214A (en) * | 2004-09-30 | 2005-03-30 | 中信重型机械公司 | Generating set system of simple low temperature waste heat from large size cement manufacture line in dry method, and technical process |
| CN201172676Y (en) * | 2008-04-14 | 2008-12-31 | 顾玲 | Process wind system of drying grate-rotary kiln-circular cooler for producing acid pellet |
| CN203432365U (en) * | 2013-05-29 | 2014-02-12 | 中信重工机械股份有限公司 | Cement clinker cooling system |
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2013
- 2013-05-29 CN CN2013102046166A patent/CN103322818A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2532026A1 (en) * | 1974-07-29 | 1976-02-19 | Fives Cail Babcock | PROCESS FOR COOLING CEMENT CLINKERS WITH RECOVERY OF EXCESSIVE CALORIES AND INSTALLATION FOR CARRYING OUT THE PROCESS |
| US5018968A (en) * | 1988-06-15 | 1991-05-28 | Barreto Jose D | Revolving grate cooler for cooling of clinker or similar products |
| CN1072911A (en) * | 1991-11-27 | 1993-06-09 | F·L·司迈德斯公司 | Make the method for cement |
| CN1601214A (en) * | 2004-09-30 | 2005-03-30 | 中信重型机械公司 | Generating set system of simple low temperature waste heat from large size cement manufacture line in dry method, and technical process |
| CN201172676Y (en) * | 2008-04-14 | 2008-12-31 | 顾玲 | Process wind system of drying grate-rotary kiln-circular cooler for producing acid pellet |
| CN203432365U (en) * | 2013-05-29 | 2014-02-12 | 中信重工机械股份有限公司 | Cement clinker cooling system |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107812559A (en) * | 2017-11-22 | 2018-03-20 | 遵义兴正业矿业有限公司 | A kind of disintegrating machine |
| CN107812559B (en) * | 2017-11-22 | 2023-12-29 | 营口时创实业有限公司 | Crusher |
| CN107883776A (en) * | 2017-12-20 | 2018-04-06 | 徐州中矿大贝克福尔科技股份有限公司 | A kind of cooler and cooling means of high efficiency composition vertical cement calcination of chamotte |
| CN107883776B (en) * | 2017-12-20 | 2024-01-09 | 徐州中矿大贝克福尔科技股份有限公司 | Cooling machine and cooling method for efficient composite vertical cement calcination clinker |
| CN108502572A (en) * | 2018-03-07 | 2018-09-07 | 太仓北新建材有限公司 | A kind of control method of the cooling conveying equipment of switching |
| CN111718138A (en) * | 2020-07-01 | 2020-09-29 | 冯建新 | Novel dry-process cement clinker production device and process |
| CN113175822A (en) * | 2021-04-30 | 2021-07-27 | 胡锡文 | Pneumatic grading rotary cooler for cement clinker |
| CN113175822B (en) * | 2021-04-30 | 2023-10-20 | 胡锡文 | Cement clinker pneumatic grading rotary cooling machine |
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Application publication date: 20130925 |