CN101914642A - Waste heat recovery device for expanded slag balls - Google Patents
Waste heat recovery device for expanded slag balls Download PDFInfo
- Publication number
- CN101914642A CN101914642A CN2010102791273A CN201010279127A CN101914642A CN 101914642 A CN101914642 A CN 101914642A CN 2010102791273 A CN2010102791273 A CN 2010102791273A CN 201010279127 A CN201010279127 A CN 201010279127A CN 101914642 A CN101914642 A CN 101914642A
- Authority
- CN
- China
- Prior art keywords
- diapire
- waste heat
- heat recovery
- recovery device
- slag
- 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
- 239000002893 slag Substances 0.000 title claims abstract description 71
- 239000002918 waste heat Substances 0.000 title claims abstract description 36
- 238000011084 recovery Methods 0.000 title claims abstract description 31
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 6
- 239000003546 flue gas Substances 0.000 claims description 6
- 238000007908 dry granulation Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 238000005469 granulation Methods 0.000 description 7
- 230000003179 granulation Effects 0.000 description 7
- 238000001816 cooling Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000004568 cement Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000000796 flavoring agent Substances 0.000 description 2
- 235000019634 flavors Nutrition 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- TXKMVPPZCYKFAC-UHFFFAOYSA-N disulfur monoxide Inorganic materials O=S=S TXKMVPPZCYKFAC-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical compound S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
Abstract
The invention provides a waste heat recovery device for expanded slag balls, and relates to blast-furnace slag disposal equipment for dry granulation and waste heat recovery technology of blast-furnace slag, which has simple structure and high heat exchange efficiency. The waste heat recovery device for the expanded slag balls comprises a channel structure and a heat exchange system, wherein, the channel structure is composed of an upper wall, a front side wall, a rear side wall and a lower wall; the upper wall is arranged above the lower wall; the front side wall and the rear side wall are longitudinally arranged at the front side and the rear side of the lower wall respectively; a vibration device is arranged at the bottom of the lower wall; the vibration device drives the lower wall to vibrate up and down; and the heat exchange system at least comprises a heat exchange coil arranged in the lower wall.
Description
Technical field
The present invention relates to a kind of blast furnace slag treatment device, particularly relate to a kind of waste heat recovery device for expanded slag balls that is used for blast-furnace slag dry granulation and waste heat reclaiming process.
Background technology
Blast-furnace slag is a kind of well behaved silicate material, can be used as the raw material of producing material of construction and chemical fertilizer by processing, simultaneously, liquid high temperature furnace slag temperature is between 1350 ℃ to 1500 ℃, belong to high-grade residual heat resources, have very high recycling and be worth.The liquid blast-furnace slag of China mainly adopts the flush slag chilling to handle at present, and the blast-furnace slag after the water-cooled can be used for making material of construction such as cement, and the subject matter that water cooling exists has: water consumption is serious, handles 1 ton of slag water consumption per ton; Produce a large amount of hydrogen sulfide and sulfur oxide gas in the water cooling process and enter atmosphere, cause environmental pollution, handle slag per ton and produce 800m with water vapour
3Water vapour, wherein H
2S content 19mg/m
3, SO
2Content 4.3mg/m
3The waste heat of slag is not effectively recycled; Grain slag water ratio height still needs drying treatment as cement raw material, needs to consume certain energy; The investment of system and running cost height, the blast furnace that day output is 2500 tons will be built two cover flush slag equipment, and construction investment is about 40,000,000 yuan; In the flush slag process, the higher slag of iron content easily sets off an explosion; And the purposes of grain slag is more single.
Shortcoming at the blast-furnace slag water cooling; the method of dry type chilling granulation blast-furnace slag has abroad begun one's study the seventies in 20th century; mainly contain wind quench method and centrifugal granulation method; the both be at first that liquid blast-furnace slag is fast broken, be solidified as small-particle, adopt technique means to reclaim the method for its waste heat again.The wind method of quenching be with high-power granulation blower fan produce high pressure, high velocity air with slag stream dispel, the method for granulation, main drawback is that power consumption is big, equipment bulky complex, floor space are big, investment and working cost height.The centrifugal granulation method is to rely on centrifugal force that the high speed rotating of rotating disk or revolving cup produces with liquid blast furnace slag granulation; though do not need the such highly energy-consuming equipment of granulation blower fan; and the size distribution of grain slag is also less; but at high temperature the mechanical reliability of high speed rotating granulating device is relatively poor, and its adaptability to load change also remains to be proved conclusively.
It is low that the applicant of present patent application has invented a kind of energy consumption; the water consumption is little; noxious gas emission is little; blast-furnace slag dry granulation and waste heat reclaiming process that the waste heat recovery rate is high; this technology is that the mode by impelling makes the slag pearl cooling after the air-breathing expansion form the less solid particulate of particle diameter; and obnoxious flavour is wrapped in the particle, carry out heat exchange by interchanger and solid particulate then.The first step of this technology is that blast-furnace slag is derived from blast furnace; slag is fully contacted with air; under the situation that feeds less water, make quick air-breathing expansion of slag and cooling; form irregular slag pearl; the cylinder that heat back utilizes rotation with slag bead casting in air; make the slag pearl cool off the profile of formation rule awing; final step will use waste-heat recovery device that the centralized heat energy in the pyritous slag pearl particle is reclaimed; the most important condition of in dry granulation technology the slag pearl being carried out heat exchange is that the slag pearl is directly contacted with heat transferring medium then; and to guarantee a higher heat transfer rate, therefore common heat-exchanger rig all can not satisfy above-mentioned basic demand.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of simple in structure, waste heat recovery device for expanded slag balls that heat exchange efficiency is high.
Waste heat recovery device for expanded slag balls of the present invention, comprise the channel architecture and the heat-exchange system that constitute by roof, front side wall, rear wall and diapire, described roof is arranged on the diapire top, described front side wall and rear wall vertically are arranged on the forward and backward both sides of diapire respectively, vibrating device is equipped with in the bottom of described diapire, described vibrating device drives the diapire up-down vibration, and described heat-exchange system comprises the heat exchange coil that is arranged in the diapire at least.
Waste heat recovery device for expanded slag balls of the present invention, wherein said vibrating device involving vibrations motor and cam, described cam is arranged on the bottom of diapire one end, and described vibrating motor is connected with cam, and the other end and the work top of described diapire are hinged.
Waste heat recovery device for expanded slag balls of the present invention, wherein said heat-exchange system also comprise the heat exchange coil that is separately positioned on roof, front side wall and the rear wall medial surface.
Waste heat recovery device for expanded slag balls of the present invention, the upper surface of wherein said diapire also is provided with some fins.
Waste heat recovery device for expanded slag balls of the present invention also is provided with the heat exchange tank on the upper surface of wherein said roof.
Waste heat recovery device for expanded slag balls of the present invention, an end of wherein said channel architecture are provided with flue gas and reclaim mouth.
Waste heat recovery device for expanded slag balls difference from prior art of the present invention is that waste heat recovery device for expanded slag balls of the present invention utilizes roof, front side wall, rear wall and diapire to constitute channel architecture, the slag pearl can be entered from an end of channel architecture, under the effect of vibrating device, make the diapire up-down vibration, make slag pearl continuous switch up and down in the process of channel outlet motion, reach higher heat exchange efficiency, channel architecture also can reduce scattering and disappearing and obnoxious flavour pollution to external world of heat as far as possible.
The heat exchange coil that is provided with on roof, front side wall and the rear wall in the waste heat recovery device for expanded slag balls of the present invention also can be reclaimed the heat in the channel architecture; Fin on the diapire can increase the heat interchanging area between slag pearl and the diapire; Heat exchange tank on the roof also can improve the heat exchange efficiency of heat exchange coil on the roof; The flue gas of channel architecture one end setting reclaims mouth can make the gas in the passage be carried out next step heat exchange and purifying treatment by centralized collection, reduce pollution to external world, several above-mentioned improvement all are in order further to improve the heat recuperation rate of waste heat recovery device for expanded slag balls of the present invention.
Below in conjunction with accompanying drawing waste heat recovery device for expanded slag balls of the present invention is described further.
Description of drawings
Fig. 1 is the front view of waste heat recovery device for expanded slag balls of the present invention;
Fig. 2 is the vertical view of waste heat recovery device for expanded slag balls of the present invention;
Fig. 3 is the left view of waste heat recovery device for expanded slag balls of the present invention.
Embodiment
As shown in Figure 1 to Figure 3, waste heat recovery device for expanded slag balls of the present invention comprises by roof 23, front side wall 24, channel architecture and heat-exchange system that rear wall 25 and diapire 26 constitute, wherein roof 23 is arranged on diapire 26 tops, front side wall 24 and rear wall 25 vertically be installed in respectively diapire 26 before, back both sides, vibrating device is equipped with in the bottom of diapire 26, vibrating device involving vibrations motor (not shown) and cam 28, cam 28 is installed in the bottom of diapire 26 left ends, vibrating motor is connected with cam 28, the right-hand member and the work top of diapire 26 are hinged, and vibrating motor drives cam 28 and drives diapire 26 up-down vibration.Heat-exchange system comprises and is installed in the heat exchange coil 27 in the diapire 26 and is installed in heat exchange coil 27 on roof 23, front side wall 24 and rear wall 25 medial surfaces respectively.The upper surface of diapire 26 also is processed with some fins 29, also is provided with heat exchange tank 30 on the upper surface of roof 23, and the right-hand member of channel architecture is provided with flue gas and reclaims mouth 31.
Waste heat recovery device for expanded slag balls of the present invention is mainly used in the 3rd step of blast-furnace slag dry granulation and waste heat reclaiming process; drop on the diapire 26 by the cooled slag pearl of impelling; up-down vibration along with diapire 26; the channel outlet motion to the right of slag pearl one side; switch on one side; with the heat exchange coil on the heat transferred diapire 26 27; the slag pearl passes to roof 23 with heat by the radiating form simultaneously; heat exchange coil 27 on front side wall 24 and the rear wall 25; the mobile medium is concentrated the heat of slag pearl and is reclaimed in the heat exchange coil 27, can be directly used in heating or generating.The interior flue gas of passage also can reclaim mouth 31 and carry out centralized collection by the flue gas of passage right-hand member, further discharge heat exchange and purification back.Reduce to 150 to 200 ℃ through the slag pearl temperature after the heat exchange, fall into the subsequent packages system, use through can be used as cement raw material and heat insulation, sound-proof material after packing, the output from the right-hand member of passage.
Above-described embodiment is described preferred implementation of the present invention; be not that scope of the present invention is limited; design under the prerequisite of spirit not breaking away from the present invention; various distortion and improvement that those of ordinary skills make technical scheme of the present invention all should fall in the definite protection domain of claims of the present invention.
Claims (6)
1. waste heat recovery device for expanded slag balls, it is characterized in that: comprise the channel architecture and the heat-exchange system that constitute by roof (23), front side wall (24), rear wall (25) and diapire (26), described roof (23) is arranged on diapire (26) top, described front side wall (24) and rear wall (25) vertically are arranged on the forward and backward both sides of diapire (26) respectively, vibrating device is equipped with in the bottom of described diapire (26), described vibrating device drives diapire (26) up-down vibration, and described heat-exchange system comprises the heat exchange coil (27) that is arranged in the diapire (26) at least.
2. waste heat recovery device for expanded slag balls according to claim 1, it is characterized in that: described vibrating device involving vibrations motor and cam (28), described cam (28) is arranged on the bottom of diapire (26) one ends, described vibrating motor is connected with cam (28), and the other end and the work top of described diapire (26) are hinged.
3. waste heat recovery device for expanded slag balls according to claim 1 and 2 is characterized in that: described heat-exchange system also comprises the heat exchange coil (27) that is separately positioned on roof (23), front side wall (24) and rear wall (25) medial surface.
4. waste heat recovery device for expanded slag balls according to claim 3 is characterized in that: the upper surface of described diapire (26) also is provided with some fins (29).
5. waste heat recovery device for expanded slag balls according to claim 4 is characterized in that: also be provided with heat exchange tank (30) on the upper surface of described roof (23).
6. waste heat recovery device for expanded slag balls according to claim 5 is characterized in that: an end of described channel architecture is provided with flue gas and reclaims mouthful (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010279127.3A CN101914642B (en) | 2010-09-13 | 2010-09-13 | Waste heat recovery device for expanded slag balls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010279127.3A CN101914642B (en) | 2010-09-13 | 2010-09-13 | Waste heat recovery device for expanded slag balls |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101914642A true CN101914642A (en) | 2010-12-15 |
| CN101914642B CN101914642B (en) | 2015-04-08 |
Family
ID=43322278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010279127.3A Active CN101914642B (en) | 2010-09-13 | 2010-09-13 | Waste heat recovery device for expanded slag balls |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101914642B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103014201A (en) * | 2013-01-18 | 2013-04-03 | 北京科技大学 | Device and method for gas-solid ejection and granulation of molten blast furnace slags |
| CN114231676A (en) * | 2021-12-13 | 2022-03-25 | 扬州华航特钢有限公司 | High-efficiency recovery and regeneration device for electric furnace slag |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5285974A (en) * | 1976-01-13 | 1977-07-16 | Nippon Steel Corp | Treatment for recovery of granualr slag |
| JPS5369224A (en) * | 1976-12-02 | 1978-06-20 | Nippon Steel Corp | Method and apparatus for treatment of smelting slag |
| US4115089A (en) * | 1975-10-21 | 1978-09-19 | Acieries Reunies De Burbach-Eich-Dudelange S.A. Arbed | Process and apparatus for making expanded slag |
| JPS57127434A (en) * | 1981-01-27 | 1982-08-07 | Nippon Steel Corp | Producing facilities for granulated slag |
| US4414016A (en) * | 1982-05-13 | 1983-11-08 | National Slag Limited | Apparatus for the pelletization of heat-liquifiable solid materials |
| US4461636A (en) * | 1983-03-17 | 1984-07-24 | Francis Gagneraud | Installation for continuous treatment of molten materials to obtain pelletized products |
| CN2493854Y (en) * | 2001-07-05 | 2002-05-29 | 乔文黄 | Film wall circular water channel type slag cooling and discharging device |
| CN2493839Y (en) * | 2001-08-21 | 2002-05-29 | 乔文黄 | Horizontal type slag cooling and discharging device |
| CN2575454Y (en) * | 2002-10-31 | 2003-09-24 | 李玉清 | Energy-saving stove |
| CN1529090A (en) * | 2003-10-10 | 2004-09-15 | 袁建平 | Haet-tube type slag-cooling machine |
| CN2831016Y (en) * | 2005-09-28 | 2006-10-25 | 刘阿荣 | Overflow water cooler of slag dog |
| CN101054636A (en) * | 2007-05-31 | 2007-10-17 | 东北大学 | Wave type inclined plate vibration device for preparing semisolid state alloy and preparation method thereof |
| CN201762342U (en) * | 2010-09-13 | 2011-03-16 | 北京慧德盛节能科技有限公司 | Recovery device of waste heat of expansion slag bead |
-
2010
- 2010-09-13 CN CN201010279127.3A patent/CN101914642B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4115089A (en) * | 1975-10-21 | 1978-09-19 | Acieries Reunies De Burbach-Eich-Dudelange S.A. Arbed | Process and apparatus for making expanded slag |
| JPS5285974A (en) * | 1976-01-13 | 1977-07-16 | Nippon Steel Corp | Treatment for recovery of granualr slag |
| JPS5369224A (en) * | 1976-12-02 | 1978-06-20 | Nippon Steel Corp | Method and apparatus for treatment of smelting slag |
| JPS57127434A (en) * | 1981-01-27 | 1982-08-07 | Nippon Steel Corp | Producing facilities for granulated slag |
| US4414016A (en) * | 1982-05-13 | 1983-11-08 | National Slag Limited | Apparatus for the pelletization of heat-liquifiable solid materials |
| US4461636A (en) * | 1983-03-17 | 1984-07-24 | Francis Gagneraud | Installation for continuous treatment of molten materials to obtain pelletized products |
| CN2493854Y (en) * | 2001-07-05 | 2002-05-29 | 乔文黄 | Film wall circular water channel type slag cooling and discharging device |
| CN2493839Y (en) * | 2001-08-21 | 2002-05-29 | 乔文黄 | Horizontal type slag cooling and discharging device |
| CN2575454Y (en) * | 2002-10-31 | 2003-09-24 | 李玉清 | Energy-saving stove |
| CN1529090A (en) * | 2003-10-10 | 2004-09-15 | 袁建平 | Haet-tube type slag-cooling machine |
| CN2831016Y (en) * | 2005-09-28 | 2006-10-25 | 刘阿荣 | Overflow water cooler of slag dog |
| CN101054636A (en) * | 2007-05-31 | 2007-10-17 | 东北大学 | Wave type inclined plate vibration device for preparing semisolid state alloy and preparation method thereof |
| CN201762342U (en) * | 2010-09-13 | 2011-03-16 | 北京慧德盛节能科技有限公司 | Recovery device of waste heat of expansion slag bead |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103014201A (en) * | 2013-01-18 | 2013-04-03 | 北京科技大学 | Device and method for gas-solid ejection and granulation of molten blast furnace slags |
| CN103014201B (en) * | 2013-01-18 | 2015-05-13 | 北京科技大学 | Device and method for gas-solid ejection and granulation of molten blast furnace slags |
| CN114231676A (en) * | 2021-12-13 | 2022-03-25 | 扬州华航特钢有限公司 | High-efficiency recovery and regeneration device for electric furnace slag |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101914642B (en) | 2015-04-08 |
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Address after: 100093 Beijing City, Haidian District Sijiqing Zhen Bei Xin Zhuang Bei soft Shuangxin Kechuang West Garden Building 5 Patentee after: Beijing Luyuan Jingneng Energy Technology Co.,Ltd. Address before: 100083 Beijing University of Science and Technology Beijing Library (Zhang Liying, Haidian District) Patentee before: BEIJING HUIDESHENG ENERGY-SAVING TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20231218 Granted publication date: 20150408 |
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