CN207259555U - A kind of sinter mixture pre-heating system - Google Patents
A kind of sinter mixture pre-heating system Download PDFInfo
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- CN207259555U CN207259555U CN201721075078.5U CN201721075078U CN207259555U CN 207259555 U CN207259555 U CN 207259555U CN 201721075078 U CN201721075078 U CN 201721075078U CN 207259555 U CN207259555 U CN 207259555U
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Abstract
It the utility model is related to sintering technology field, more particularly to a kind of sinter mixture pre-heating system.Including the quicklime slaking system and device, mixer and material machine preheating device processed, granulation ore deposit groove preheating device, mixture ore trough preheating device set gradually along sintered production line；The quicklime slaking system and device by tripper, close glassware and device of fetching water forms, it is installed in sintered material room；The mixer and material machine preheating device processed by heating water pre-heater apparatus with plus steam preheating apparatus form, its be installed on mixer with granulation machine drum body；The granulation ore deposit groove preheating device is made of the steam bustle pipe on granulation ore deposit groove；The mixture ore trough preheating device is made of the steam preheating pipe on mixture ore trough with steam preheating bustle pipe.The utility model can improve sinter mixture temperature, reduce sinter solid burnup, improve sinter bed vapor-permeable type, reduce sinter production cost, make sintering production energy-saving.
Description
Technical field
It the utility model is related to sintering technology field, more particularly to a kind of sinter mixture pre-heating system.
Background technology
In sintering production, the temperature of sinter mixture is directly related to the yield and quality and fuel consumption of sinter.Improve
Sinter mixture temperature can reduce sinter solid burnup, improve permeability of sintering material bed, can reduce sinter and be produced into
This.Have research and practice have shown that, the temperature of mixture often improves 10 DEG C, and sintering solid fuel consumption reduces 2kg/t, usage factor
Improve 5% or so.Especially in the north iron and steel enterprise, in the winter time when temperature it is relatively low, the requirement to sinter mixture temperature
Higher, the bed of material cross the influences of wet bands also bigger, with greater need for improving the temperature of mixture more than dew-point temperature.
At present, there is no sinter mixture pre-heating system, the method for improving sinter mixture temperature mainly utilizes sintering heat
Return mine and mixture is preheated, since most enterprises have eliminated Thermal griddle technique, so can use without hot returning ore,
It is a kind of the pre- of relatively backwardness and hot returning ore pre-heating technique can produce substantial amounts of dust and steam, have a great influence to production environment
Thermal process.
The content of the invention
For overcome the deficiencies in the prior art, the utility model provides a kind of sinter mixture pre-heating system, improves and burns
Mixture temperature is tied, reduces sinter solid burnup, improves sinter bed vapor-permeable type, reduces sinter production cost.
In order to achieve the above object, the utility model is realized using following technical scheme：
A kind of sinter mixture pre-heating system, including set gradually along sintered production line quicklime slaking system and device,
Mixer and material machine preheating device processed, granulation ore deposit groove preheating device, mixture ore trough preheating device；The quicklime slaking system
Device by tripper, close glassware and device of fetching water forms, it is installed in sintered material room；The mixer is preheated with material machine processed
For device by heating water pre-heater apparatus with adding steam preheating apparatus to form, it is installed on mixer with pelletizing in machine drum body；The system
Grain ore deposit groove preheating device is made of the steam bustle pipe on granulation ore deposit groove；The mixture ore trough preheating device by installed in
Steam preheating pipe on mixture ore trough is formed with steam preheating bustle pipe.
The tripper is located in front of quick lime blanking point, and tripper is made of I-steel and wear-resisting iron block, wear-resisting iron block
I-steel one end is fixed in, the I-steel other end is fixed on the belt conveyor steelframe that proportioning room is used to convey sinter mixture
On, wear-resisting iron block is located at top in the middle part of belt width direction.
The conjunction glassware is made of fixed frame with closing flitch；Close flitch and be fixed on fixed frame one end, the fixed frame other end is consolidated
The belt conveyor steelframe that proportioning room is used to convey sinter mixture is scheduled on, closes flitch with belt direction of travel into 30~60 °
Angle, it is consistent with belt radian to close flitch；One combination glassware is formed by two with conjunction glassware dislocation, and the distance of two conjunction glasswares is
600~1500mm.
The device of fetching water is made of multiple watering pipes, between watering pipe is located at tripper and closes glassware, the water outlet of watering pipe
Point and tripper are on the same line.
The heating water pre-heater apparatus is with adding steam preheating apparatus to be made of steam pipe and hot-water line；Steam pipe and hot-water line
It is hung in by steel wire rope in the middle part of mixer or system material machine drum body；The steam inlet of steam pipe and the hot water inlet of hot-water line are positioned at system
Grain machine or mixing machine drum body input end.
The steam bustle pipe is installed on above the small set of granulation ore deposit groove, and the main steam pipe of steam bustle pipe is located at outside granulation ore deposit groove,
It surround granulation ore deposit groove one week；The main steam pipe of steam bustle pipe sets a steam branch pipe to probe into granulation ore deposit every 800~1200mm
Inside groove, it is connected with the inside liner plate for ore deposit groove of pelletizing.
The steam preheating pipe is vertically mounted on inside mixture ore trough, along mixture ore trough be evenly distributed with spacing for 800~
Two rows of steam preheating pipes of 1200mm；Steam preheating bustle pipe is made of main steam economizer bank and steam preheating branch pipe, and main steam is pre-
Heat pipe sets a steam preheating branch pipe every 800~1200mm, and steam preheating branch pipe is probeed into inside mixture ore trough, with mixing
Liner plate is connected inside material ore deposit groove.
Compared with prior art, the beneficial effects of the utility model are：
The utility model can improve sinter mixture temperature, reduce sinter solid burnup, improve sinter bed vapor-permeable type,
Sinter production cost is reduced, makes sintering production energy-saving.
Brief description of the drawings
Fig. 1 is the utility model quicklime slaking system and device dimensional structure diagram；
Fig. 2 is the utility model mixer and material machine preheating device dimensional structure diagram processed；
Fig. 3 is the utility model granulation ore deposit groove preheating device dimensional structure diagram；
Fig. 4 is the utility model mixture ore trough preheating device dimensional structure diagram.
In figure：1- quicklime slakings system and device 2- mixers and material machine preheating device 3- processed granulation ore deposit groove preheating devices
4- mixture ore trough preheating device 5- trippers 6- close glassware 7- fetch water device 8- heating water pre-heater apparatus 9- add steam preheating
Device 10- mixers and granulation machine drum body 11- granulation ore deposit groove 12- steam bustle pipe 13- mixture ore trough 14- steam preheatings
The wear-resisting iron block 18- belt conveyors steelframe 19- fixed frames 20- of pipe 15- steam preheating bustle pipe 16- I-steel 17- close material
Plate 21- steam pipe 22- hot-water lines
Embodiment
Specific embodiment of the present utility model is described further below in conjunction with the accompanying drawings
Embodiment：Exemplified by 1# machines being sintered by Report of Ironmaking Production in Anshan I ＆ S Co head factory West
As shown in Figs 1-4, a kind of sinter mixture pre-heating system, including the quick lime set gradually along sintered production line disappear
Change system and device 1, mixer and material machine preheating device 2 processed, granulation ore deposit groove preheating device 3, mixture ore trough preheating device 4.
As shown in Figure 1, Report of Ironmaking Production in Anshan I ＆ S Co head factory West sintering 1# machines are 360m2Sintering machine, mix in proportioning room and pacify on 1 belt
Quicklime slaking system and device 1 is filled, it is 1200mm to mix 1 belt width.Quicklime slaking system and device 1 is by tripper 5, conjunction glassware
6 and device 7 of fetching water form.Proportioning room has two quick lime blanking points of 7# and 8# ore deposits groove, and tripper 5 is arranged on 7# quick lime ore deposit grooves
Sub-material is carried out before blanking point.Glassware 6 is closed to be arranged on after 8# quick lime ore deposit groove blanking points.7# and 8# quick lime ore deposit groove blanking points
It is each provided afterwards and puts a device 7 of fetching water.The distance between two conjunction glasswares are 500mm.
Tripper 5 is made of the wear-resisting iron block 17 of the I-steel 16 and 100 × 200mm long equilateral triangle types of 50 × 800mm,
Wear-resisting iron block 17 is welded on the end of I-steel 16, and the other end of I-steel 16 is fixed on belt conveyor steelframe 18, I-shaped
Steel 16 can vertically adjust the distance of tripper 5 and belt on steelframe, to reach the needs of the different upper doses of belt.Wear-resisting iron
Block 17 is apart from belt 50MM, and in the centre position in belt width direction, its effect is that the mixture on belt feeder is separated for position
One of ditch, drops into so as to quick lime and wherein carries out digestion reaction.Before tripper 5 is located at all quick lime blanking points of proportioning room
Face.
Close glassware 6 to be made of with closing flitch 20 fixed frame 19, close the end that flitch 20 is welded on fixed frame 19, fixed frame 19
The other end be fixed on belt conveyor steelframe 18, fixed frame 19 can vertically adjust on steelframe and close glassware 6 and belt
Distance, to reach the needs of the different upper doses of belt.Close flitch 20 and belt direction of travel angle at 45 °.Close flitch 20 and skin
Band arc angles are consistent.Flitch 20 is closed apart from belt 50mm.One combination glassware is made of two dislocation of conjunction glassware 6, two conjunctions
The distance of glassware 6 is 1000mm, and the purpose so designed is to prevent the debris on belt from assembling on glassware is closed, and influences to close material effect
Fruit.The effect for closing glassware 6 is to be covered the quick lime for carrying out digestion reaction with mixture, ensures that digestion reaction produces
Heat do not scatter and disappear, improve the temperature of digestion reaction, make its reaction abundant.Close glassware 6 and be located at all proportioning room quick lime blankings
Behind point.
Fetching water, device 7 is made of filler pipe with fetching water, the EXIT POINT of watering pipe with tripper 5 point-blank, with
Ensure that digestion level really falls on quick lime.Device 7 of fetching water is made of 3 watering pipes, to prevent in water quantity set, is occurred outside digestion water
Excessive phenomenon, moreover it is possible to make quick lime fully be combined with digestion water (because quick lime granularity is small to be combined with certain difficulty with water).
Device 7 of fetching water is located at after each quick lime blanking point of proportioning room and tripper 5, before glassware 6 is closed.
After sintered material room uses this burnt lime slaking device, quicklime slaking reaction can be fully carried out, ensure that
The temperature of sinter mixture is improved with granularity.This device design is simple, and highly practical, maintenance cost is low, is burnt in Anshan iron and steel plant
Tie region widely uses.
As shown in Fig. 2, the heating water pre-heater apparatus 8 of mixer and material machine preheating device 2 processed with plus steam preheating apparatus 9 by
Steam pipe 21 is formed with hot-water line 22.Steam pipe 21 is hung in mixer or system material machine drum body 10 with hot-water line 22 by steel wire rope
Portion.Steam pipe 21 and hot-water line 22 are installed in mixed once machine drum body, steam pipe 21 is probeed into from mixer entrance, steam pipe
21 length are 2000mm；Hot-water line 22 adds hot water, and hot water is provided by additive pump works.Installed in five machine drum bodies of pelletizing
Steam pipe 21 and hot-water line 22, steam pipe 21 are probeed into from granulator entrance, and 21 length of steam pipe is 2000mm；Hot-water line 22 adds
Water is heated, hot water is provided by additive pump works.
As shown in figure 3, the steam bustle pipe 12 of granulation ore deposit groove preheating device 3 is installed on above 11 small set of granulation ore deposit groove, steam
The main steam pipe of bustle pipe 12 surround granulation ore deposit groove 11 1 weeks outside granulation ore deposit groove 11.The main steam pipe of steam bustle pipe 12 every
800~1200mm sets a steam branch pipe to probe into inside granulation ore deposit groove, is connected with the inside liner plate for ore deposit groove of pelletizing, contact granulation
Mixture in ore deposit groove 11, a diameter of 20~50mm of steam branch pipe, a diameter of 50~100mm of main steam pipe.
As shown in figure 4, the increase steam preheating pipe 14 in mixture ore trough 13, it is pre- to increase steam outside mixture ore trough 13
Hot bustle pipe 15.Two rows of steam preheating pipes 14 are installed below the frame above mixture ore trough 13, steam preheating pipe 14 it is adjacent away from
From for 800mm, 16 steam preheating pipes 14 are amounted to.The steel pipe of a diameter of 50mm of steam preheating pipe 14, length to mud roller top
2000mm positions.Steam preheating bustle pipe 15 is made of main steam pipe and steam branch pipe, and steam preheating bustle pipe 15 is in main steam pipe
On every 800mm set a steam branch pipe probe into inside mixture ore trough 13, be connected with 13 inside liner plate of mixture ore trough,
Contact the mixture in mixture ore trough.The a diameter of 25mm of steam branch pipe, amounts to 26 steam branch pipes.Steam passes through steam-water separation
After device, entered by steam preheating pipe and steam bustle pipe in granulation ore deposit groove.
After Report of Ironmaking Production in Anshan I ＆ S Co head factory West sintering 1# machines use the utility model, 7 DEG C are improved between sinter mixture ratio.This reality
Sinter mixture temperature is improved with New Energy, and then reduces sinter solid burnup, sinter bed vapor-permeable type is improved, reduces sintering
Ore deposit production cost, makes sintering production energy-saving.
The above, is only the preferable embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, any one skilled in the art is in the technical scope that the utility model discloses, according to this practicality
New technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (7)
1. a kind of sinter mixture pre-heating system, it is characterised in that including the quicklime slaking set gradually along sintered production line
System and device, mixer and material machine preheating device processed, granulation ore deposit groove preheating device, mixture ore trough preheating device；The raw stone
Grey digestive system device by tripper, close glassware and device of fetching water forms, it is installed in sintered material room；The mixer with
For material machine preheating device processed by heating water pre-heater apparatus with adding steam preheating apparatus to form, it is installed on mixer and granulation machine drum body
It is interior；The granulation ore deposit groove preheating device is made of the steam bustle pipe on granulation ore deposit groove；The pre- hot charging of mixture ore trough
Put and be made of the steam preheating pipe on mixture ore trough with steam preheating bustle pipe.
2. a kind of sinter mixture pre-heating system according to claim 1, it is characterised in that the tripper is located at raw stone
In front of grey blanking point, tripper is made of I-steel and wear-resisting iron block, and wear-resisting iron block is fixed in I-steel one end, and I-steel is another
End is fixed on the belt conveyor steelframe that proportioning room is used to convey sinter mixture, and wear-resisting iron block is located in belt width direction
Above portion.
3. a kind of sinter mixture pre-heating system according to claim 1, it is characterised in that the conjunction glassware is by fixed frame
Formed with closing flitch；Close flitch and be fixed on fixed frame one end, the fixed frame other end is fixed on proportioning room and is used to convey sintered compound
On the belt conveyor steelframe of material, flitch is closed with belt direction of travel into 30~60 ° of angles, it is consistent with belt radian to close flitch；
One combination glassware is formed by two with conjunction glassware dislocation, and the distance of two conjunction glasswares is 600~1500mm.
4. a kind of sinter mixture pre-heating system according to claim 1, it is characterised in that the device of fetching water is beaten by multiple
Water pipe forms, and between watering pipe is located at tripper and closes glassware, the EXIT POINT and tripper of watering pipe are on the same line.
A kind of 5. sinter mixture pre-heating system according to claim 1, it is characterised in that the heating water pre-heater apparatus
With adding steam preheating apparatus to be made of steam pipe and hot-water line；Steam pipe is hung in mixer by steel wire rope with hot-water line or system is expected
In the middle part of machine drum body；The steam inlet of steam pipe is located at granulator with the hot water inlet of hot-water line or mixes machine drum body input end.
6. a kind of sinter mixture pre-heating system according to claim 1, it is characterised in that the steam bustle pipe is installed on
Pelletize above the small set of ore deposit groove, the main steam pipe of steam bustle pipe surround granulation ore deposit groove one week outside granulation ore deposit groove；Steam bustle pipe
Main steam pipe sets a steam branch pipe to probe into inside granulation ore deposit groove every 800~1200mm, the inside liner plate with ore deposit groove of pelletizing
It is connected.
7. a kind of sinter mixture pre-heating system according to claim 1, it is characterised in that the steam preheating pipe is vertical
Inside mixture ore trough, two rows of steam preheating pipes that spacing is 800~1200mm are evenly distributed with along mixture ore trough；Steam is pre-
Hot bustle pipe is made of main steam economizer bank and steam preheating branch pipe, and main steam economizer bank sets a steaming every 800~1200mm
The pre- hot leg pipe of vapour, steam preheating branch pipe are probeed into inside mixture ore trough, are connected with liner plate inside mixture ore trough.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721075078.5U CN207259555U (en) | 2017-08-25 | 2017-08-25 | A kind of sinter mixture pre-heating system |
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| CN201721075078.5U CN207259555U (en) | 2017-08-25 | 2017-08-25 | A kind of sinter mixture pre-heating system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110484717A (en) * | 2019-09-18 | 2019-11-22 | 四川省达州钢铁集团有限责任公司 | A kind of sintering method and sintering equipment |
| CN110616314A (en) * | 2019-10-15 | 2019-12-27 | 云南德胜钢铁有限公司 | High-temperature sintering method for schreyerite mixture |
| CN112080632A (en) * | 2020-09-25 | 2020-12-15 | 湖南华菱湘潭钢铁有限公司 | Sintering method of super-thick material layer sintering ore |
-
2017
- 2017-08-25 CN CN201721075078.5U patent/CN207259555U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110484717A (en) * | 2019-09-18 | 2019-11-22 | 四川省达州钢铁集团有限责任公司 | A kind of sintering method and sintering equipment |
| CN110616314A (en) * | 2019-10-15 | 2019-12-27 | 云南德胜钢铁有限公司 | High-temperature sintering method for schreyerite mixture |
| CN112080632A (en) * | 2020-09-25 | 2020-12-15 | 湖南华菱湘潭钢铁有限公司 | Sintering method of super-thick material layer sintering ore |
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