CN202442599U - Ore material preheater - Google Patents
Ore material preheater Download PDFInfo
- Publication number
- CN202442599U CN202442599U CN201220049975XU CN201220049975U CN202442599U CN 202442599 U CN202442599 U CN 202442599U CN 201220049975X U CN201220049975X U CN 201220049975XU CN 201220049975 U CN201220049975 U CN 201220049975U CN 202442599 U CN202442599 U CN 202442599U
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- CN
- China
- Prior art keywords
- mineral aggregate
- gas sampling
- sampling storehouse
- material pipe
- exhaust gas
- 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.)
- Expired - Lifetime
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- 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
- Y02P10/25—Process efficiency
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- Drying Of Solid Materials (AREA)
Abstract
The utility model relates to an ore material preheater. A feeding end of a feeding device of a material guiding box is connected with an ore material passing trough, the ore material passing trough comprises an upper hopper, a middle material pipe and a lower hopper which are sequentially connected, the lower hopper is connected with the feeding end of a feeding device, a pipe wall of the middle material pipe is provided with air holes, the ore material passing trough penetrates into an exhaust gas collecting bin, and the middle material pipe of the ore material passing trough is completely arranged in the exhaust gas collecting bin fixed on a machine frame. An air inlet and an air outlet of the exhaust gas collecting bin are arranged on two sides of the ore material passing trough respectively, the air inlet of the exhaust gas collecting bin is connected with the material guiding box through a round square connecting piece, and one end of a square opening of the round square connecting piece is covered at the upper end of the material guiding box. After high-temperature exhaust gas generated by a drying device is collected by the collecting bin, the exhaust gas passes through the ore material passing trough to preheat ore materials in the ore material and then is discharged, the aim of recycling waste heat in the exhaust gas is achieved, preheating of the ore materials before drying is achieved simultaneously, and the aims of saving energy and reducing consumption are achieved.
Description
Technical field:
The utility model belongs to the drying and forewarm technical field of block raw material in the metallurgy industry, is specifically related to a kind of drying waste heat that utilizes mineral aggregate carries out preheating to mineral aggregate mineral aggregate preheater.
Background technology:
The common higher mineral aggregate of water content, humidity is bigger, and granularity is below the 80mm, like manganese ore, limonite etc., can not directly be used for blast furnace process, need its oven dry to surperficial water content just can be used for production below 10%, otherwise can't directly utilize for high road.For this reason, need earlier lump ore material mineral aggregate to be dried, oven dry processing employing natural gas or oil firing are done thermal source and are added hot-air, by air mineral aggregate are dried then.The used heat air themperature of discharging from drying plant carries out entering atmosphere through chimney after the dedusting greatly about 350～450 ℃, if this used heat air that contains great amount of heat energy is directly drained, will cause very big heat-energy losses.Lump ore material water content is higher; If before it gets into drying unit, utilize waste heat it is done suitable preheating oven dry; Will further improve the feeding temperature of lump ore material, drying effect is improved, and make natural gas or fuel consume as thermal source significantly reduce.For this reason, manage to carry out heat exchange by mineral aggregate and used heat air, absorb the airborne amount of residual heat will of used heat, simultaneously the part moisture is removed at the drying plant feed end.Mineral aggregate sintering plant in part also is equipped with the mineral aggregate pre-heating device at present, but complex structure, manufacturing cost is higher, is not suitable for a large amount of applying.
The utility model content:
In sum, in order to overcome the deficiency of prior art problem, the utility model provides a kind of mineral aggregate preheater; It is that the feed end of the guide case of mineral aggregate drying plant is provided with mineral aggregate and crosses groove, and mineral aggregate is crossed groove and passed from the gas sampling storehouse, and the part that is arranged in the gas sampling storehouse that mineral aggregate is crossed groove is provided with pore; The high-temp waste gas that drying plant produces is crossed groove through mineral aggregate after being collected the storehouse collection, and mineral aggregate is crossed the mineral aggregate preheating in the groove; And then discharge; The purpose that realization is carried out recycling to the waste heat in the waste gas realizes again the preheating before the mineral aggregate oven dry is reached energy savings, energy saving purposes simultaneously.
For solving the problems of the technologies described above, the technical scheme of the utility model is achieved in that
A kind of mineral aggregate preheater comprises guide case and drying unit, and the discharge end of guide case is connected with the feed end of drying unit; The feed end of guide case is connected with the discharge end of pay-off; Wherein: be connected with mineral aggregate on the feed end of described pay-off and cross groove, mineral aggregate is crossed groove and is comprised elevating hopper, middle material pipe and the hopper that connects successively, and hopper is connected with the feed end of pay-off; The tube wall of middle material pipe is provided with pore; Mineral aggregate is crossed groove and is installed in the gas sampling storehouse, and the middle material pipe that mineral aggregate is crossed groove is arranged in the gas sampling storehouse fully, and the gas sampling storehouse is fixed on the frame; The air inlet in gas sampling storehouse and gas outlet are separately positioned on the both sides that mineral aggregate is crossed groove; The air inlet in gas sampling storehouse connects the guide case through circle side's connector, and an end shield of the square opening of circle side's connector is in the upper end of guide case, and the gas outlet in gas sampling storehouse connects cleaner.
Further, the outer surface in described gas sampling storehouse is provided with heat-insulation layer.
Further, described gas sampling storehouse is provided with cleaning door, and cleaning door is arranged on the side near the gas outlet in gas sampling storehouse.
Further, it is assembled by aeroscopic plate that described mineral aggregate is crossed the middle material pipe of groove, and pore is set on the aeroscopic plate, the hole slot of pore for tilting.
Further, described mineral aggregate is crossed the tripper that is provided with triangular form in the groove, the junction of material pipe and hopper during tripper is arranged on.
Further, described in the material pipe angle of inclination of going up near the pore of a side of the air inlet in gas sampling storehouse be 45～60 °, the angle of inclination near the pore of a side of the gas outlet in gas sampling storehouse on the middle material pipe is 120～135 °.
Further, described hopper inwall is provided with liner plate, and liner plate is a heat-resistant wear-resistant lining board.
The beneficial effect of the utility model is:
1, the utility model is that the feed end of the guide case of mineral aggregate drying plant is provided with mineral aggregate and crosses groove; Mineral aggregate is crossed groove and is passed from the gas sampling storehouse, and the part that is arranged in the gas sampling storehouse that mineral aggregate is crossed groove is provided with pore, after the high-temp waste gas that drying plant produces is collected the storehouse collection; Cross groove through mineral aggregate; Mineral aggregate is crossed the mineral aggregate preheating in the groove, and then discharge, realize the purpose that the waste heat in the waste gas is carried out recycling; Realize again simultaneously the preheating before the mineral aggregate oven dry is reached energy savings, energy saving purposes.
2, the utility model has effectively reduced the mineral aggregate water content that gets into drying unit, has improved the drying effect of drying unit, and can reduce the consumption of thermal source fuel.And the waste gas that collect in the gas sampling storehouse directly contacts with mineral aggregate, and the direct and mineral aggregate of the heat in the waste gas carries out heat exchange, the heat exchanger effectiveness height.
3, the utility model is simple in structure, novel, easy to use, can be good at the heat of waste gas in the drying plant is carried out recycling, effectively reduces the consumption of thermal source fuel, and is energy-saving and cost-reducing, effectively reduces the enterprise production cost.
Description of drawings:
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the structural representation of the aeroscopic plate of the utility model;
Fig. 3 is the A-A cross-sectional schematic of the utility model Fig. 2.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is done further to specify.
Like Fig. 1, Fig. 2, shown in Figure 3; A kind of mineral aggregate preheater; Comprise guide case 11 and drying unit 13, the discharge end of guide case 11 is connected with the feed end of drying unit 13, and the feed end of guide case 11 is connected with the discharge end of pay-off 14; Be connected with mineral aggregate on the feed end of pay-off 14 and cross groove; Mineral aggregate is crossed groove and is comprised elevating hopper 5, middle material pipe 4 and the hopper 8 that connects successively, and hopper 8 is connected with the feed end of pay-off 14, and the junction of middle material pipe 4 and hopper 8 is provided with the tripper 7 of triangular form.Hopper 8 inwalls are provided with liner plate 15, and liner plate 15 is a heat-resistant wear-resistant lining board.Middle material pipe 4 is assembled by aeroscopic plate 6, and pore 17 is set on the aeroscopic plate 6, the hole slot of pore 17 for tilting.Mineral aggregate is crossed groove and is installed in the gas sampling storehouse 2; The middle material pipe 4 that mineral aggregate is crossed groove is arranged in the gas sampling storehouse 2 fully; The outer surface in gas sampling storehouse 2 is provided with heat-insulation layer 3; Gas sampling storehouse 2 is fixed on the frame 12; The air inlet 9 and the gas outlet 1 in gas sampling storehouse 2 are separately positioned on the both sides that mineral aggregate is crossed groove, and the angle of inclination near the pore 17 of a side of gas sampling storehouse 2 air inlets 9 on the middle material pipe 4 is 60 °, and the angle of inclination near the pore 17 of a side of the gas outlet 1 in gas sampling storehouse 2 on the middle material pipe 4 is 120 °.The air inlet 9 in gas sampling storehouse 2 connects guide case 11 through circle side's connector 10, and an end shield of the square opening of circle side's connector 10 is in the upper end of guide case 11, and the gas outlet 1 in gas sampling storehouse 2 connects cleaner.Gas sampling storehouse 2 is provided with cleaning door 16, and cleaning door 16 is arranged on the side near gas outlet 1 in gas sampling storehouse 2.
During use, the waste gas that drying unit 13 produces slowly climbs along the slope of guide case 11, and the air inlet 9 from circle side's connector 10 and gas sampling storehouse 2 gets in the gas sampling storehouse 2 then; Waste gas in gas sampling storehouse 2 flows to gas outlet 1 from air inlet 9, because the air inlet 9 in gas sampling storehouse 2 and gas outlet 1 are separately positioned on the both sides of middle material pipe 4, therefore; Material pipe 4 during waste gas must pass through in flow process, and therefrom the pore 17 near a side of air inlet 9 of material pipe 4 gets into, and therefrom the pore 17 near a side of gas outlet 1 of material pipe 4 is discharged; In this process; Mineral aggregate in heat in the waste gas and the middle material pipe 4 carries out heat exchange, and mineral aggregate is carried out preheating, and EGT reduces; Waste gas after the cooling is arranged to dust arrester from the gas outlet 1 in gas sampling storehouse 2, and row is to atmosphere after dedusting.
During concrete the use, the gas sampling storehouse 2 all right design mix body structures of the utility model, promptly an end of air inlet 9 is as a whole; One end of gas outlet 1 is as a whole; Because an end of air inlet 9 contacts with high-temp waste gas, can adopt resistant to elevated temperatures material, an end waste gas of gas outlet 1 can be but; Can adopt common material to make, can reduce manufacturing cost thus.
Be noted that; The above embodiment is to the explanation of the utility model technical scheme and unrestricted; Other modification that is equal to replacement or makes of affiliated technical field those of ordinary skill according to prior art; As long as do not exceed the thinking and the scope of the utility model technical scheme, all should be included within the desired interest field of the utility model.
Claims (7)
1. mineral aggregate preheater; Comprise guide case (11) and drying unit (13); The discharge end of guide case (11) is connected with the feed end of drying unit (13), and the feed end of guide case (11) is connected with the discharge end of pay-off (14), it is characterized in that: be connected with mineral aggregate on the feed end of described pay-off (14) and cross groove; Mineral aggregate is crossed groove and is comprised elevating hopper (5), middle material pipe (4) and the hopper (8) that connects successively; Hopper (8) is connected with the feed end of pay-off (14), and the tube wall of middle material pipe (4) is provided with pore (17), and mineral aggregate is crossed groove and is installed in the gas sampling storehouse (2); The middle material pipe (4) that mineral aggregate is crossed groove is arranged in the gas sampling storehouse (2) fully; Gas sampling storehouse (2) is fixed on the frame (12), and air inlet (9) and gas outlet (1) of gas sampling storehouse (2) are separately positioned on the both sides that mineral aggregate is crossed groove, and the air inlet (9) of gas sampling storehouse (2) connects guide case (11) through circle side's connector (10); One end shield of the square opening of circle side's connector (10) is in the upper end of guide case (11), and the gas outlet (1) of gas sampling storehouse (2) connects cleaner.
2. mineral aggregate preheater according to claim 1 is characterized in that: the outer surface in described gas sampling storehouse (2) is provided with heat-insulation layer (3).
3. mineral aggregate preheater according to claim 1 is characterized in that: described gas sampling storehouse (2) is provided with cleaning door (16), and cleaning door (16) is arranged on the side near gas outlet (1) in gas sampling storehouse (2).
4. mineral aggregate preheater according to claim 1 is characterized in that: it is assembled by aeroscopic plate (6) that described mineral aggregate is crossed the middle material pipe (4) of groove, and pore (17) is set on the aeroscopic plate (6), the hole slot of pore (17) for tilting.
5. mineral aggregate preheater according to claim 1 is characterized in that: described mineral aggregate is crossed the tripper (7) that is provided with triangular form in the groove, the junction of material pipe (4) and hopper (8) during tripper (7) is arranged on.
6. mineral aggregate preheater according to claim 1; It is characterized in that: the angle of inclination that described middle material pipe (4) is gone up near the pore (17) of a side of the air inlet (9) of gas sampling storehouse (2) is 45～60 °, and the angle of inclination that middle material pipe (4) is gone up near the pore (17) of a side of the gas outlet (1) of gas sampling storehouse (2) is 120～135 °.
7. mineral aggregate preheater according to claim 1 is characterized in that: described hopper (8) inwall is provided with liner plate (15), and liner plate (15) is a heat-resistant wear-resistant lining board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220049975XU CN202442599U (en) | 2012-02-16 | 2012-02-16 | Ore material preheater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220049975XU CN202442599U (en) | 2012-02-16 | 2012-02-16 | Ore material preheater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202442599U true CN202442599U (en) | 2012-09-19 |
Family
ID=46824043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220049975XU Expired - Lifetime CN202442599U (en) | 2012-02-16 | 2012-02-16 | Ore material preheater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202442599U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102735067A (en) * | 2012-02-16 | 2012-10-17 | 焦作市迈科冶金机械有限公司 | Mineral aggregate preheater |
| CN106197047A (en) * | 2016-08-27 | 2016-12-07 | 洛阳麦德陶粒有限公司 | A kind of ceramisite sintered cooled exhaust gas utilizes device |
| CN110983037A (en) * | 2019-12-20 | 2020-04-10 | 攀枝花钢城集团瑞通制冷设备有限公司 | Device for drying mineral powder raw material by utilizing pellet waste heat |
-
2012
- 2012-02-16 CN CN201220049975XU patent/CN202442599U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102735067A (en) * | 2012-02-16 | 2012-10-17 | 焦作市迈科冶金机械有限公司 | Mineral aggregate preheater |
| CN102735067B (en) * | 2012-02-16 | 2014-07-23 | 焦作市迈科冶金机械有限公司 | Mineral aggregate preheater |
| CN106197047A (en) * | 2016-08-27 | 2016-12-07 | 洛阳麦德陶粒有限公司 | A kind of ceramisite sintered cooled exhaust gas utilizes device |
| CN110983037A (en) * | 2019-12-20 | 2020-04-10 | 攀枝花钢城集团瑞通制冷设备有限公司 | Device for drying mineral powder raw material by utilizing pellet waste heat |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120919 |