CN1200121C - Sintered ore water-charged cooling method and apparatus - Google Patents
Sintered ore water-charged cooling method and apparatus Download PDFInfo
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- CN1200121C CN1200121C CN 02139809 CN02139809A CN1200121C CN 1200121 C CN1200121 C CN 1200121C CN 02139809 CN02139809 CN 02139809 CN 02139809 A CN02139809 A CN 02139809A CN 1200121 C CN1200121 C CN 1200121C
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- water
- cooling
- atomizer
- variable valve
- inlet pipe
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- 238000001816 cooling Methods 0.000 title claims abstract description 47
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 66
- 239000000498 cooling water Substances 0.000 claims abstract description 7
- 230000001105 regulatory effect Effects 0.000 claims abstract description 4
- 238000005245 sintering Methods 0.000 abstract description 19
- 239000007921 spray Substances 0.000 abstract description 6
- 238000000889 atomisation Methods 0.000 abstract description 3
- 239000000203 mixture Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 12
- 239000002826 coolant Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 241001062472 Stokellia anisodon Species 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
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- Manufacture And Refinement Of Metals (AREA)
Abstract
The present invention discloses a water-addition cooling method suitable for heat sintering ore and a relevant device thereof. A set of water-addition cooling devices which comprise a water inlet pipe 3, a filter 4, a flow meter 5, a regulation valve 6, or 6', and an atomization spray head 7, or 12 are installed near a sintering machine; the regulation valve 6, or 6' is regulated to make cooling water coming from the water inlet pipe 3 enter the flow meter 5 after being filtered by the filter 4; atomized water sprayed out from the atomization spray head 7 by the regulation valve 6 or 6' is mixed with cold air flow coming from an outlet of a blower fan together to enter the bottom layer of a heat sintering ore layer 9 on a trolley 10 of a cooling machine, and the mixture of the atomized water and the cold air flow penetrates through the heat sintering ore layer 9 to form water vapor which brings the heat amount of the sintering ore away; thus, the temperature of the sintering ore is reduced and the sintering ore is cooled. The amount of the atomized water is controlled within the range of 2 to 15g in air per standard cubic meter according to the air temperature, the humidity and the situation of cooling machine equipment, and the pressure of the water is controlled within the range of 0.05 to 0.4MPa. The water-addition cooling method and the device are particularly suitable to be used in the areas of low air humidity and cold climate.
Description
Technical field
The present invention relates to a kind of starting material method of cooling and realize the equipment of this method, relate in particular to a kind of smelter thermal sintering mining air that is applied to and add atomized water and carry out refrigerative method and equipment thereof, belong to the C22B1/26 class.
Background technology
Agglomerate is one of topmost raw material of smelter blast furnace ironmaking.The agglomerate process for cooling is cooled to heat sinter below 150 ℃ from 700～1000 ℃ of pressures exactly.Cold sinter not only helps the conveying and the finished product of agglomerate to be handled and stores, and also can improve production area environmental work condition.But use the cold sinter reinforcing blast furnace to smelt, improve furnace processor, reduce coking, prolong furnace roof equipment life etc. all meaningful (" Chinese iron ore agglomeration Appropriate technology " metallurgical industry press in 2000).The agglomerate process for cooling all is to adopt special-purpose cooling apparatus now, the type of cooling has exhausting cooling and air blast to cool off two kinds, the general at present air blast type of cooling that adopts, cooling apparatus has circular cooler and straight-line cooler, and heat-eliminating medium is natural air (" external agglomerating plant " China Machine Press in 1975).
The cooling of agglomerate is undertaken by medium, and heat-eliminating medium is a natural air, contains a certain amount of water in the natural air, aqueous how much the variation with region, season, temperature.Because air specific heat is little, need a large amount of air so cool off one ton of agglomerate, need 2000～2200Nm as remove to cool off one ton of agglomerate with the air blast type of cooling
3Air; Remove to cool off one ton of agglomerate with the exhausting type of cooling and need 3500～4800Nm
3Air.Contain certain moisture content in the natural air, water can absorb a large amount of heat when meeting the heat vaporization, can play the effect of quickening the cooling agglomerate.
Engineering technical personnel find through investigation for many years, in the air of China south institute's water content than northern air in institute's water content height, such natural condition, southern and northern identical sintering plant uses identical cooler, southern cooler is bigger by 5～20% than the cooler cooling power of northern same model, so one ton of electric power that agglomerate consumed, south lacks 10～15% than the north.Even the north is lower than southern air themperature, under identical cooler condition, the ability of the cooler that moves in the north still is lower than the ability at the cooler of south operation.Therefore, under existing cooler condition, still adopt the air blast type of cooling.Work out a kind of be applicable to south with the boreal climate condition under the cooler cooling power roughly the same again add atomized water refrigerative method and device is sintering engineering technical personnel's a new problem.
Summary of the invention
The object of the present invention is to provide a kind of employing to have blower cools equipment now, adjusting spray in the blower cools airduct adds the atomized water of some amount to improve the method for cooler cooling power; For this reason, the present invention also provides a kind of for realizing the relevant device of this method.
For achieving the above object, the technical solution used in the present invention is: in a side of existing blast apparatus in the blower cools airduct or the directly device of jet atomization moisture content in the cooler bellows of one cover is installed, this complete equipment comprises the airduct water shoot of water inlet pipe, strainer (can not establishing when water quality is good), under meter, variable valve, fixed link, atomizer and band valve, one of them atomizer is installed in the centre in the blower cools airduct, and another atomizer is installed in the cooler bellows and gets close to cooler chassis bottom.According to various places, each seasonal climate condition, be atmospheric moisture and temperature, control the injection flow rate of atomizer by the method for regulating each variable valve, regulate water spray pressure simultaneously, make atomizing spray mix the back with swiftly flowing airflow and pass agglomerate, become water vapor behind the water chance heat sinter and can absorb a large amount of heat, quicken the cooling agglomerate from the heat sinter bottom, make cooler reach best cooling performance, promptly improve the cooling power of cooler.
Adopt as above technical scheme that heat sinter is cooled off, its major advantage shows: this kind atomizing method of cooling is not subjected to the restriction of regional condition, no matter atmospheric moisture and air themperature differ much, as long as control is sprayed required atomized water and control water spray pressure down to blower cools airduct and cooling chassis, can improve cooler cooling power 10～20%, as to a newly-built yearly capacity being 130～1,800,000 tons sinter cooler, can save about 1,000,000 yuan of one-time investments, but conservation of power consumes 10～150,000 KWh/.Present technique also can be used for transforming existing cooler, to improve its cooling power, reduces power consumption.
Description of drawings
Fig. 1 is the equipment layout synoptic diagram that agglomerate of the present invention adds water-cooling method and device thereof, also is specification digest accompanying drawing of the present invention.
Embodiment
Below in conjunction with drawings and Examples the specific embodiment of the present invention is described in further detail.
Implementing it adds the required device of atomized water method of cooling and mainly divides two partly: existing cooler equipment such as gas blower 1, cooling duct 2, cooler bellows 11, cooler chassis 10 and cooler bellows ash releasing tube 14 (band valve), newly add be equipped with as water inlet pipe 3 and 3 ', strainer 4, under meter 5, variable valve 6 and 6 ', atomizer 7 and 12, fixed link 8,13, airduct water shoot 15.One of water inlet pipe 3 and strainer 4 is connected, its purpose is to filter to enter the physical pollutant in the water in the water inlet pipe 3, the other end of strainer 4 links to each other with an end of under meter 5, the other end bifurcation stream of under meter 5, wherein a tributary connect water pipe 3 ', simultaneously water inlet pipe 3 ' again and variable valve 6 ' entrance end be connected, variable valve 6 ' the water pipe of exit end on atomizer 12 is housed, atomizer 12 is contained on the fixed link 13, and fixed link 13 is connected mutually with the inwall of cooler bellows 11.The water jet of atomizer 12 is facing to the bottom of the thermal sintering ore bed 9 on (or oppositely) cooler chassis 10.Another tributary that is connected with under meter 5 connects the entrance end of variable valve 6, be connected with atomizer 7 on the water pipe of variable valve 6 exit end simultaneously, atomizer 7 is connected in the middle part of cooling duct 2 with fixed link 8, penetrate thermal sintering ore bed 9 from the atomized water and the mixing of swiftly flowing airflow of atomizer 7 ejections from the heat sinter bottom, water becomes water vapor, run out of from the surface of thermal sintering ore bed 9, take away the heat of thermal sintering ore bed 9, reduce the temperature of heat sinter, realize cooling agglomerate.Airduct water shoot 15 is installed in the following position of cooling duct 2.
When the thermal sintering ore bed on the cooler chassis 10 9 needs cooling, open gas blower 1, in cooler bellows 11, flow through atomizer 7 from the swiftly flowing cold wind of gas blower 1 exit end, simultaneously from production water supply pipe J
1Take over, water coolant passes through under meter 5 again after water inlet pipe 3 enters strainer 4 filtrations.Open variable valve 6, make water coolant enter the atomizer 7 that is installed in the cooling duct 2 through regulating 6, be mixed with cooling duct 2 interior swiftly flowing cold wind from the atomized water of atomizer 7 ejection and enter the bottom of thermal sintering ore bed 9 via cooler bellows 11, and penetrate thermal sintering ore bed 9, take away the heat of thermal sintering ore bed 9, reach the purpose of cooling agglomerate.Humidity and temperature and cooler status of equipment according to each different weather air in period regulate variable valve 6, and by the numeral indication of under meter 5, control is pressed every standard cubic meter (Nm from the quantity of the atomized water of atomizer 7 ejections
3) air add 2～15 the gram, the pressure-controlling of water is in 0.05～0.4 MPa; If variable valve 6 or atomizer 7 break down or produce needs, open variable valve 6 ', water coolant is from water inlet pipe 3 ' the enter cooling that atomizer 12 is realized thermal sintering ore bed 9.No matter atomizer 7 is isolated operation or common operation with atomizer 12, regulate by variable valve 6 or 6 ' cooling water pressure remain on 0.05～0.4 MPa, making from the total amount of atomizer 7 and the atomizing water coolant of atomizer 12 ejections is 2～15g/Nm
3Air.
Valve is normally closed on the airduct water shoot 15, is not taken away fully by cold wind and when accumulating in the inside of cooling duct 2, the valve of opening on the airduct water shoot 15 is emitted the water that gathers at water coolant; When cooler bellows 11 inner products have expired the agglomerate powder, open the valve on the bellows ash releasing tube 14, clear dust-removing powder.
As above each component installation site installation that can replace in the accompanying drawing 1 can reach identical effect and purpose of the present invention.
Embodiment 1:
1. the cooling water inflow that atomizes is 9g/Nm
3Air,
2. the pressure 0.25MPa of the water in the water inlet pipe 3,
Its device for carrying out said is for as mentioned above.
Embodiment 2:
1. the cooling water inflow that atomizes is 15g/Nm
3Air,
2. the pressure 0.4MPa of the water in the water inlet pipe 3,
Its device for carrying out said is for as mentioned above.
Embodiment 3:
1. the cooling water inflow that atomizes is 3.5g/Nm
3Air,
2. the pressure 0.05MPa of the water in the water inlet pipe 3,
Its device for carrying out said is for as mentioned above.
Claims (2)
1, a kind of agglomerate adds water-cooling method, it is characterized in that: regulate the water that comes out from variable valve (6) or (6 '), making from the atomizing cooling water inflow of atomizer (7) or (12) ejection is every standard cubic meter air 2～15 grams; The cooling water pressure of regulating by variable valve (6) or (6 ') remains on 0.05～0.4 MPa.
2, a kind of agglomerate according to claim 1 adds the required device of water-cooling method, it comprises gas blower (1), cooling duct (2), cooler chassis (10), cooler bellows (11), it is characterized in that: sprinkler comprises water inlet pipe (3) or (3 '), strainer (4), under meter (5), variable valve (6) or (6 '), atomizer (7) or (12), fixed link (8) or (13), airduct water shoot (15); One of water inlet pipe (3) and strainer (4) is connected, the other end of strainer (4) links to each other with an end of under meter (5), one of under meter (5) connects water inlet pipe (3 '), water inlet pipe (3 ') is connected with the entrance end of variable valve (6 '), atomizer (12) is housed on the water pipe of the exit end of variable valve (6 '), atomizer (12) is contained on the fixed link (13), and fixed link (13) is connected mutually with the last right cylinder inwall of cooler bellows (11); The entrance end of another connection variable valve (6) of under meter (5), be connected with atomizer (7) on the exit end water pipe of variable valve (6), atomizer (7) is connected in cooling duct (2) middle part with fixed link (8), and airduct water shoot (15) is installed in the bottom of cooling duct (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02139809 CN1200121C (en) | 2002-12-03 | 2002-12-03 | Sintered ore water-charged cooling method and apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02139809 CN1200121C (en) | 2002-12-03 | 2002-12-03 | Sintered ore water-charged cooling method and apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1422966A CN1422966A (en) | 2003-06-11 |
| CN1200121C true CN1200121C (en) | 2005-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02139809 Expired - Fee Related CN1200121C (en) | 2002-12-03 | 2002-12-03 | Sintered ore water-charged cooling method and apparatus |
Country Status (1)
| Country | Link |
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| CN (1) | CN1200121C (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103090681A (en) * | 2011-10-28 | 2013-05-08 | 曹玉英 | Method for comprehensively recycling sintering waste heat |
| CN102899482B (en) * | 2012-10-09 | 2014-03-12 | 李兴文 | Isothermal sintering process of iron ore powder |
| CN102853675B (en) * | 2012-10-09 | 2014-12-24 | 李兴文 | Iron ore powder sintering atomization spray device |
| CN103509941A (en) * | 2013-09-10 | 2014-01-15 | 苏州科睿特能源科技有限公司 | Atomized water cooling device of sintered ore |
| CN103509942A (en) * | 2013-09-10 | 2014-01-15 | 苏州科睿特能源科技有限公司 | Atomized water cooling method and atomized water cooling device of sintered ore |
| CN109813123A (en) * | 2017-11-20 | 2019-05-28 | 高彦 | High temperature substance cooling means and high temperature substance cooling device |
| CN109957650B (en) * | 2019-04-02 | 2021-05-04 | 中天钢铁集团有限公司 | Method and device for sintering divided surface layer |
| CN112179151B (en) * | 2020-10-29 | 2022-05-13 | 秦皇岛北方管业有限公司 | Method and device for cooling sintered material of circular cooler |
| CN112985085B (en) * | 2021-02-22 | 2022-11-08 | 晋城市博宇链传动有限公司 | Energy-saving cooling device for steel sintering |
| CN114799186A (en) * | 2022-05-09 | 2022-07-29 | 杭州屹通新材料股份有限公司 | Method and control device for regulating and controlling atomization water pressure based on water atomization molten steel temperature |
-
2002
- 2002-12-03 CN CN 02139809 patent/CN1200121C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1422966A (en) | 2003-06-11 |
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Owner name: HUNAN HUALING LIANYUAN IRON AND STEEL CO., LTD. Free format text: FORMER OWNER: ZHAO HENG Effective date: 20060512 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20060512 Address after: Huangnitang 417009 Hunan city of Loudi Province Patentee after: Hunan Valin Lianyuan Iron & Steel Co., Ltd. Address before: Loudi City, Hunan Province, the 417009 fairy Pavilion 10 Building 1 unit 2 Building No. 1 Patentee before: Zhao Heng |
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| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |