CN220136068U - Grate cooler - Google Patents
Grate cooler Download PDFInfo
- Publication number
- CN220136068U CN220136068U CN202320979378.5U CN202320979378U CN220136068U CN 220136068 U CN220136068 U CN 220136068U CN 202320979378 U CN202320979378 U CN 202320979378U CN 220136068 U CN220136068 U CN 220136068U
- Authority
- CN
- China
- Prior art keywords
- air
- grate
- bed
- casing
- comb
- 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.)
- Active
Links
- 238000001816 cooling Methods 0.000 claims abstract description 28
- 230000000694 effects Effects 0.000 abstract description 11
- 238000005192 partition Methods 0.000 abstract description 3
- 239000004568 cement Substances 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The utility model provides a grate cooler which comprises a casing, wherein a cooling cavity is arranged in the casing, a plurality of air taking openings are formed in the top of the casing, a grate bed is arranged in the casing cooling cavity, the input end of the grate bed is connected with a rotary kiln discharge opening through an inclined grate plate, the output end of the grate bed is connected with a lower conveying mechanism, a plurality of air chambers which are sequentially separated by a partition plate are arranged below the bottom of the grate bed, and each air chamber is communicated with an external blower through an air pipe. The bottom of the inclined grate plate is provided with the pressurizing bellows to realize independent cooling of the blanking area, so that the clinker cooling effect is improved, the movement angle of the clinker can be changed through the baffle plate, the cooling effect is further improved, the condition of taking out air from the air inlet can be reduced through the wind shielding wall, the second and third air temperatures of the kiln head are improved, and the efficient heat utilization rate is ensured.
Description
Technical Field
The utility model designs a grate cooler, in particular to a grate cooler capable of improving heat recovery and cooling efficiency, and belongs to the technical field of mechanical design and manufacturing.
Background
The grate cooler is an important component part in a clinker firing system of a cement plant, and has the main function of cooling and conveying cement clinker; meanwhile, hot air is provided for a rotary kiln, a decomposing furnace and the like, and the equipment is also main equipment for heat recovery of a sintering system, and the performance of the equipment directly influences the operation rate and performance of the sintering system. The existing grate cooler has the problems of poor cooling efficiency, high energy consumption and low heat utilization efficiency, so that the activity of the cement clinker is reduced due to overhigh temperature, and the high energy consumption and low heat utilization rate also bring adverse effects to the efficient operation of a sintering system. In addition, the existing grate cooler has serious wind-taking conditions of the wind-taking port due to structural problems, and low temperature Duan Yufeng in the grate cooler cannot be fully utilized, so that the condition of excessively high heat loss is caused. There is therefore a need for improvements in the art.
Disclosure of Invention
The utility model provides a grate cooler, which aims to solve the problems of low cooling efficiency, high energy consumption, low heat utilization efficiency and the like of the conventional grate cooler.
The utility model is completed by the following technical scheme: the grate cooler comprises a shell, a cooling cavity is arranged in the shell, a plurality of air taking openings are formed in the top of the shell, a grate bed is arranged in the cooling cavity of the shell, the input end of the grate bed is connected with a discharging opening of a rotary kiln through an inclined grate plate, the output end of the grate bed is connected with a lower conveying mechanism, a plurality of air chambers which are sequentially separated through a partition plate are arranged below the bottom of the grate bed, each air chamber is communicated with an external blower through an air pipe.
The supercharging bellows is a rectangular box body with an open top and a cavity arranged in the supercharging bellows, the bottom of the box body is connected with an air outlet of the high-pressure fan through an air pipe, the open top of the box body is connected with the bottom of the inclined grate plate, and local air supply is carried out to the bottom of the inclined grate plate through the high-pressure fan, so that high-temperature clinker falling on the inclined grate plate is cooled.
The plurality of supercharging bellows are respectively arranged at the center of the bottom of the inclined grate plate and at the two sides of the bottom of the inclined grate plate, so that the center and the two sides of the bottom of the high-temperature clinker are effectively cooled through the plurality of supercharging bellows.
The baffle is arranged as a vertical plate which is arranged between the bottom of the inclined grate plate and the grate bed so as to change the operation angle of the high-temperature clinker through the baffle, thereby further improving the cooling effect.
The retaining wall is arranged as a vertical wall body, the top of the retaining wall is connected with the top wall of the cooling cavity, the bottom of the retaining wall extends downwards and is suspended, so that the air intake and the kiln head secondary air Wen Qiangfeng are reduced through the retaining wall, and the kiln head secondary air temperature and the kiln head tertiary air temperature are improved.
The utility model has the following advantages and effects: by adopting the scheme, the single cooling of the blanking area is realized by arranging the pressurizing bellows at the bottom of the inclined grate plate, so that the clinker cooling effect is improved, the movement angle of the clinker can be changed through the baffle plate, the cooling effect is further improved, the condition of taking out air from the air inlet can be reduced through the wind shielding wall, the secondary air temperature and the tertiary air temperature of the kiln head are improved, and the efficient heat utilization rate is ensured.
Drawings
FIG. 1 is a front view of the present utility model;
fig. 2 is a view of a portion a of fig. 1.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
The utility model provides a grate cooler, which comprises a casing 7, wherein a cooling cavity 10 is arranged in the casing 7, a plurality of air taking openings 9 are arranged at the top of the casing 7, a grate 11 is arranged in the cooling cavity 10 of the casing 7, the input end of the grate 11 is connected with the discharge opening of a rotary kiln 4 through an inclined grate plate 5, the output end of the grate 11 is connected with a lower conveying mechanism, a plurality of air chambers 13 which are sequentially separated by a partition plate 12 are arranged below the bottom of the grate 11, each air chamber 13 is communicated with an external blower 14 through an air pipe, a plurality of supercharging bellows 3 connected with a high-pressure blower 1 are arranged at the bottom of the inclined grate plate 5, a baffle plate 6 is arranged at the joint of the inclined grate plate 5 and the grate 11, and a wind shielding wall 8 is arranged at the top of the cooling cavity 10 between the discharge opening of the rotary kiln 4 and the air taking openings 9 so as to realize independent cooling of a blanking area, thereby improving the clinker cooling effect, further improving the clinker movement angle through the baffle plate 6, further improving the cooling effect, reducing the conditions of the air taking openings 9 through the wind shielding wall 8, improving the kiln head second and third air temperature, and ensuring the efficient heat utilization rate;
the pressurizing bellows 3 is a rectangular box body with an open top and a cavity arranged in the rectangular box body, the bottom of the rectangular box body is connected with an air outlet of the high-pressure fan 1 through an air pipe 2, the open top of the rectangular box body is connected with the bottom of the inclined grate plate 5, so that air is locally supplied to the bottom of the inclined grate plate 5 through the high-pressure fan 1, and high-temperature clinker falling on the inclined grate plate 5 is cooled;
the plurality of supercharging bellows 3 are respectively arranged at the bottom center of the inclined grate plate 5 and at the two sides of the bottom of the inclined grate plate 5, so that the center and the two sides of the bottom of the high-temperature clinker are effectively cooled through the plurality of supercharging bellows 3;
the baffle 6 is a vertical plate and is arranged between the bottom of the inclined grate plate 5 and the grate bed 11, so that the operation angle of the high-temperature clinker is changed through the baffle 6, and the cooling effect is further improved;
the retaining wall 8 is a vertical wall, the top of the retaining wall is connected with the top wall of the cooling cavity 10, the bottom of the retaining wall extends downwards and is suspended, so that the air intake 9 and the kiln head secondary air Wen Qiangfeng are reduced through the retaining wall 8, and the kiln head secondary air temperature and the kiln head tertiary air temperature are improved.
Claims (5)
1. The utility model provides a comb cold machine, including setting up the casing of cooling chamber in it, a plurality of air intakes are established at the top, be equipped with the comb bed in the casing cooling chamber, comb bed input meets with rotary kiln discharge opening through the slope comb board, the output meets with subordinate conveying mechanism, be equipped with a plurality of plenum that separate in proper order through the baffle along comb bed bottom below, every plenum all is linked together with outside air-blower through the tuber pipe, its characterized in that slope comb board bottom is equipped with a plurality of pressure boost bellows that link to each other with high-pressure air-blower, and slope comb board and comb bed junction are equipped with the baffle, the cooling chamber top between rotary kiln discharge opening and the air intakes is equipped with the wind-break wall.
2. The grate cooler of claim 1, wherein the plenum box is a rectangular box body with an open top and a cavity therein, the bottom of the box body is connected with the air outlet of the high-pressure fan through an air pipe, and the open top of the box body is connected with the bottom of the inclined grate plate.
3. The grate cooler of claim 1, wherein said plurality of plenum boxes are disposed at the center of the bottom of the inclined grate plate and on both sides of the bottom of the inclined grate plate, respectively.
4. The grate cooler of claim 1, wherein said baffle is provided as a vertical riser disposed between the bottom of the inclined grate plate and the grate bed.
5. The grate cooler of claim 1, wherein said wind shield is a vertical wall having a top connected to a top wall of the cooling chamber and a bottom extending downward and suspended.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320979378.5U CN220136068U (en) | 2023-04-26 | 2023-04-26 | Grate cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320979378.5U CN220136068U (en) | 2023-04-26 | 2023-04-26 | Grate cooler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220136068U true CN220136068U (en) | 2023-12-05 |
Family
ID=88947732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320979378.5U Active CN220136068U (en) | 2023-04-26 | 2023-04-26 | Grate cooler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220136068U (en) |
-
2023
- 2023-04-26 CN CN202320979378.5U patent/CN220136068U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106111889B (en) | A kind of high temperature regeneration Sand Cooling System and exhaust heat recovering method | |
| CN220136068U (en) | Grate cooler | |
| CN103601376A (en) | Sleeve type double-hearth shaft kiln | |
| CN200993533Y (en) | Circulating wind pure medium-low temperature residual heat generating system for cement kiln cinder cooling machine | |
| CN219083787U (en) | Sinter belt cooler | |
| CN2872107Y (en) | Oriented air-blowing slag cooler of step bed of water-cooling wall | |
| CN204514069U (en) | A kind of afterheat heat exchanger based on cement kiln head waste gas | |
| CN201302383Y (en) | Multistage exhaust gas pumping system for residual heat power generation of cooling machine of kiln head of cement kiln | |
| CN202485206U (en) | Energy-saving air heating furnace | |
| CN210463577U (en) | High-temperature hot blast stove with heat exchange body for direct heat exchange | |
| CN2888376Y (en) | High-efficiency energy-saving grain drying machine | |
| CN110617623A (en) | Adjustable hot-blast stove | |
| CN208983854U (en) | A kind of compound kiln of splitlevel energy conservation | |
| CN207738791U (en) | A kind of efficient upright furnace cooling chamber | |
| CN201615597U (en) | Hot blast furnace | |
| CN110360855A (en) | A kind of combined air cooler of enhanced heat exchange performance | |
| CN2809555Y (en) | Pure middle and low temperature waste heat power generation system for cement kiln discharge end | |
| CN211146891U (en) | Adjustable hot-blast stove | |
| CN217979853U (en) | Grate cooler cooling air waste heat utilization system for cement kiln production | |
| CN210135598U (en) | Power plant boiler air inlet structure | |
| CN206019373U (en) | A kind of solid material cooling device | |
| CN220432650U (en) | Building gypsum fluidization state high-efficiency cooler | |
| CN219624022U (en) | Novel circulating fluidized bed boiler air inlet structure | |
| CN211716598U (en) | Air heat exchange cooler for dust-containing flue gas waste heat utilization system | |
| CN213543246U (en) | Cement kiln head waste heat boiler and cement line grate cooler integrated device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |