CN106435165A - Pellet sintering equipment - Google Patents
Pellet sintering equipment Download PDFInfo
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- CN106435165A CN106435165A CN201610791471.8A CN201610791471A CN106435165A CN 106435165 A CN106435165 A CN 106435165A CN 201610791471 A CN201610791471 A CN 201610791471A CN 106435165 A CN106435165 A CN 106435165A
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- sintering
- cooling
- pelletizing
- storehouse
- gas
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
- C22B1/16—Sintering; Agglomerating
- C22B1/22—Sintering; Agglomerating in other sintering apparatus
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/26—Cooling of roasted, sintered, or agglomerated ores
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Drying Of Solid Materials (AREA)
Abstract
Pellet sintering equipment comprises a drying device, a sintering device and a cooling device. One end of the sintering device is connected with the cooling device, and the other end of the sintering device is connected with the drying device. The drying device comprises drying bins. The sintering device comprises a sintering chamber and an introduction channel. The cooling device comprises a cooling bin and ventilation channels. Cooling gas introduced through the ventilation channels passes through the cooling bin to absorb heat of a pellet and then becomes combustion gas to flow into the introduction channel, then the combustion gas flows into the sintering chamber so that fuel and gas can be easier to oxidize and combust, and high-temperature gas flowing out of the sintering chamber flows through the drying bins again to achieve the function of assisting a drying agent in drying the pellet before sintering. According to the pellet sintering equipment, pellet drying, sintering and cooling integrated manufacturing is achieved effectively, and by means of simple and convenient transport of a transporter and the easily-changing temperature of the gas, the functions of cooling, drying and combustion supporting are achieved; and by means of gas flowing, high temperature and full fuel contact, full combustion is achieved, full fuel combustion is achieved, full gas combustion is also achieved, and therefore environment pollution is reduced.
Description
Technical field
The present invention relates to a kind of agglomerating plant, more particularly to a kind of pellet sintering equipment, and in particular to a kind of for pelletizing
Dry, sintering and the equipment of cooling integration.
Background technology
Pelletizing is a kind of method of artificial block stock, after the method is the material pelletizing by powder, using continuous
Sintering is to be condensed into pelletizing.During pelletizing, material is not only due to rolling balling phase grain and change in physical occurs, such as close
Degree, shape, mechanical strength etc. change, it is often more important that there occurs chemical property, such as chemical composition, reproducibility, dilatancy,
The high temperature reduction property of softening, the low-temperature reduction property of softening, meltbility etc. change, and are improved the metallurgical performance of material.
Concentrate is the final products in ore dressing plant, and moisture in concentrate is to evaluate one of important indicator of dressing product, and moisture is too high
By the handling of impact concentrate product and transport, its transport easily leakage, winter is caused easily to freeze the phenomenons such as car.Therefore, essence mine dehydration and
The Technologies such as transport, drying and sintering after dehydration and equipment are of crucial importance.
Existing essence mine dehydration mixes various additives in pellet sintering equipment and the technology of binding agent formation pelletizing is ripe,
But pelletizing be dehydrated to be formed spherical after transport and the drying and sintering device that combines together of cooling have always to be updated, in combustion
The gas of the oxynitride that formed in device for hostile environment is burnt, burner is abundant to the abundant burning of gas and fuel
Burning also has technical breakthrough to be achieved.
Therefore, develop new dry for pelletizing, sintering and cooling integration equipment significant.
Content of the invention
The purpose of the present invention is to overcome pelletizing drying, sintering and cooling integration device technique in above-mentioned prior art to fall
Afterwards, in fuel-device fuel and gas fully burning does not cause the problem of the aspects such as environmental pollution, propose a kind of pelletizing burning
Knot equipment, the agglomerating plant effectively achieves the integration making that pelletizing dries, sinters and cools down, and makes the combustion in burner
Material and gas are fully burned, and significantly reduce environmental pollution.
To achieve these goals, the present invention provides following technical scheme：
A kind of pellet sintering equipment, including drying device, sintering equipment, chiller, sintering equipment one end connection
Chiller, the other end connects drying device；It is dry that the drying device includes that the pelletizing to be sintered come by conveying is dried
Dry storehouse, the sintering equipment includes agglomerating chamber and introduction passage, and the introduction passage introduces burning gases, institute to the agglomerating chamber
State agglomerating chamber for from the dryness storehouse conveying come drying after pelletizing be sintered, the chiller include cool down storehouse and
Venting channels, the venting channels introduce cooling gas into the cooling storehouse, to being transported to the cooling from the agglomerating chamber
After the sintering in storehouse, pelletizing is cooled down.
In pellet sintering equipment as above, it is preferable that also include positioned at the sintering equipment, drying device and cooling
Transporter inside device, the transporter is used for conveying pelletizing and passing sequentially through the drying device, burning in the same horizontal line
Knot device and chiller；The drying device, sintering equipment and chiller are all the structures of autonomous closure, and transporter is close
It is enclosed in drying device, sintering equipment and chiller internal operation.
In pellet sintering equipment as above, it is preferable that the introduction passage is arranged on the top of the sintering equipment,
And the introduction passage is connected with the agglomerating chamber；The agglomerating chamber is used for the sintering of pelletizing, and the introduction passage is used for sintering
Room supplies burning gases；The introduction passage is a hollow pipe structure, and inside builds refractory material protective layer by laying bricks or stones, and which is near dry
One end closing of dry device, the opening of the other end is connected with chiller.
In pellet sintering equipment as above, it is preferable that the agglomerating chamber includes burner and fuel inlet；Described
Burner is used for the pelletizing that burns, and the fuel inlet is used for continuously supplying fuel to burner, and the fuel inlet is arranged
On the outside of agglomerating chamber, the fuel inlet is connected with introduction passage；The burner is arranged on inside agglomerating chamber, the burner
The fuel of fuel inlet input is made to be burnt, while being connected with the introduction passage.
In pellet sintering equipment as above, it is preferable that the entrance of the venting channels is arranged on the outside in cooling storehouse
Side, the venting channels are through the inside in cooling storehouse；Cooling gas enter the heat for absorbing pelletizing in venting channels and in cooling storehouse
Amount carries out heat exchange, the coolant cooling pelletizing in supplement heat rejecter storehouse, and cooling gas become burning gases after absorbing heat, with high temperature
State flows into introduction passage, and then inflow agglomerating chamber causes fuel to be more prone to oxidizing fire；The high temperature that the agglomerating chamber flows out
Gas enters the effect for assisting the front pelletizing of desiccant dryness sintering in drying device.
In pellet sintering equipment as above, it is preferable that the porch of the venting channels is provided with aerator；Cooling
Gas is entered in venting channels by the aerator, and venting channels enter be provided with cooling Hatch Opening two regulating valves with
Just the intake being input into different venting channels can be controlled respectively.
In pellet sintering equipment as above, it is preferable that the bottom of the sintering equipment is provided with air exhauster, is used for
Extract and sintering interior after the gas in venting channels enters introduction passage, is entered back into, and enter back in drying device.
In pellet sintering equipment as above, it is preferable that also include electric cleaner, air exhauster and the aerofluxuss being sequentially connected
Chimney；Pass through aerofluxuss cigarette after air exhauster extraction from expellant gas in drying device and cooling storehouse again after electric cleaner dedusting
Chimney is discharged.
In pellet sintering equipment as above, it is preferable that the gas for entering the introduction passage is divided into two parts, one
Dividing gas burner to be entered through pipeline directly participates in burning, referred to as one time combustion air；Another part gas is entered through pipeline and is burnt
Knot chamber interior, plays a part of concurrent heating and secondary combustion-supporting, referred to as secondary combustion-supporting wind.
In pellet sintering equipment as above, it is preferable that be placed with desiccant in the dryness storehouse, for drying and sintering
Front pelletizing；Coolant is placed with the cooling storehouse, for cooling down the pelletizing after sintering.
A kind of air circulation in pellet sintering equipment, is entered in venting channels by aerator including cooling gas, leads to
Gas passage through cooling storehouse inside, enter venting channels cooling gas cooling storehouse in high temperature pelletizing heat exchange after become
Heating installation, in the introduction passage that the heating installation in the venting channels in the cooling storehouse of sintering equipment side is entered in sintering equipment, separately
The heating installation in venting channels in the cooling storehouse of side is expelled directly out；The heating installation for entering in introduction passage, a part is directly entered burning
Knot is indoor, another part supply burner burning；Then it is right in dryness storehouse to enter back into from the high temperature heating installation of the indoor outflow of sintering
Pelletizing on transporter is dried；Warm in venting channels in the last gas for flowing out from dryness storehouse and opposite side cooling storehouse
Gas extracts discharge through air exhauster after electric cleaner dedusting again.
Compared with immediate prior art, the technical scheme that the present invention is provided has following excellent effect：
1st, a kind of pellet sintering equipment that the present invention is provided, effectively achieves pelletizing and dries, sinters and cooling integration
Make, and simply and easily transported using transporter, easily changed using the temperature of gas, play cooling, dry and combustion-supporting work
With fully being burnt by the realization that is fully contacted of the flowing of gas, high temperature and fuel, not only full combustion of fuel reach gas
Fully burn, so as to reduce environmental pollution.
2nd, in the technical scheme that the present invention is provided, venting channels, introduction passage, agglomerating chamber interconnect, and on the one hand each leads to
The connection of road design is simple, it is easy to control, and on the other hand can effectively realize the cooling gas of venting channels introducing by way of cooling storehouse
After absorbing the heat of pelletizing, introduction passage is flowed into high temperature gas state, and then inflow agglomerating chamber causes fuel and gas more
Easily oxidizing fire, reduces environmental pollution.
3rd, the pellet sintering equipment that the present invention is provided, its simple structure, are easy to operation, can realize industrialized production, practical
Property strong, save production cost, can wide popularization and application.
4th, storehouse aerator being cooled down in the pellet sintering equipment that the present invention is provided and being optimized for 1, air exhauster is optimized for 2, combustion
The combustion fan of material entrance is all cancelled, and blower fan utilization rate is higher, more energy efficient, minimizing construction investment in a large number.
5th, in the equipment that the present invention is provided, sintering equipment, chiller partition wall simplify, wind pipeline optimization, and a large amount of minimizing is built
Investment.The simplification of wind pipeline and optimization design contribute to reducing leaks out a little and heat exchange of the warm braw in course of conveying, improves wind
The utilization rate of machine, saves fuel consumption.
6th, the combustion air of the present invention is all using warm braw (600-1000 DEG C), it is to avoid existing design is all using cold wind, liter
Warm process needs energy, present invention significantly reduces energy expenditure.
Description of the drawings
Fig. 1 is the pelletizing equipment structural representation of the embodiment of the present invention；
Fig. 2 is the profile in Fig. 1 at A-A；
Fig. 3 is the air circulation figure in the pelletizing equipment of the embodiment of the present invention；
Fig. 4 is second air circulation figure in the pelletizing equipment of the embodiment of the present invention；
Fig. 5 is the third air circulation figure in the pelletizing equipment of the embodiment of the present invention；
In figure：1st, pelletizing；2nd, agglomerating chamber；21st, pipeline；22nd, lower agglomerating chamber's cover；23rd, lower agglomerating chamber's cover；24th, upper agglomerating chamber
Cover；25th, pipeline；3rd, introduction passage；4th, burner；5th, venting channels；6th, fuel inlet；61st, fuel；62nd, flame；7th, cool down
Device；8th, storehouse is cooled down；81st, the first cooling storehouse cover；82nd, the second cooling storehouse cover；83rd, the 3rd cooling storehouse cover；84th, the 4th cooling storehouse
Cover；9th, transporter；10th, sintering equipment；11st, drying device；12nd, dryness storehouse；121st, upper dryness storehouse cover；122nd, lower dryness storehouse cover；
123rd, lower dryness storehouse cover；124th, upper dryness storehouse cover；701st, regulating butterfly valve；702nd, regulating butterfly valve；703rd, regulating butterfly valve；80th, warm braw；
801st, a combustion air；802nd, secondary combustion-supporting wind；803rd, the warm braw being heated by the flame；804 and pelletizing heat exchange warm
Wind；13rd, air exhauster；14th, air exhauster；15th, aerator；16th, electric cleaner；17th, chimney；19th, hot precipitator；181st, partition wall；
182nd, partition wall；A, cooling gas inlet.
Specific embodiment
Technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described enforcement
Example is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, this area is general
The every other embodiment obtained by logical technical staff, belongs to the scope of protection of the invention.
It should be noted that the noun of locality " upper and lower, left and right, inside and outside, the vertical, water involved by the description embodiment of the present invention
Flat " etc. be all relative Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5 for, it will be appreciated that viewing angle difference, the noun of locality is different, this
It is not construed as limiting the scope of the invention.
Embodiment 1
As shown in Figure 1, Figure 2 and Figure 3, in the embodiment of the present invention, agglomerates of sintered pellets equipment includes drying device from left to right successively
11st, sintering equipment 10, chiller 7.10 one end of sintering equipment connects chiller 7, and the other end connects drying device 11；Dry
Device 11 includes dryness storehouse 12；Sintering equipment 10 includes introduction passage 3 and agglomerating chamber 2, and chiller 7 includes 5 He of venting channels
Cooling storehouse 8.1 agglomerating plant of pelletizing also includes the transporter 9 inside sintering equipment 10, drying device 11 and chiller 7,
The transporter 9 is used for conveying pelletizing 1 and passing sequentially through drying device 11, sintering equipment 10 and chiller in the same horizontal line
7 inside, the drying device 11, sintering equipment 10 and chiller 7 are independent enclosed construction, and three device adjacents are equal
Partition wall is provided with, and the space that transporter 9 passes through only is reserved with partition wall, that is to say, that transporter 9 is sealed in drying
Device 11, sintering equipment 10 and 7 internal operation of chiller, the design can reduce equipment leaks out and causes the loss of heat.
Drying device 11 is made up of the dryness storehouse 12 of 2 autonomous closure, and dryness storehouse 12 includes 121/124 He of dryness storehouse cover
Lower dryness storehouse cover 122/123, transporter 9 transports pelletizing 1 and passes through from the centre of symmetrically arranged upper and lower dryness storehouse cover.Upper drying
Storehouse cover 121 is symmetrical arranged composition dryness storehouse (near the feed end i.e. dryness storehouse of left end), upper dryness storehouse cover with lower dryness storehouse cover 122
124 are symmetrical arranged composition dryness storehouse (near the agglomerating chamber end i.e. dryness storehouse of right-hand member), and 2 dryness storehouses with lower dryness storehouse cover 123
There is partition wall between 12, on partition wall, only only reserve the space that transporter passes through.The present invention design 2 dryness storehouses 12 have every
Wall separates, and transporter 9 passes through from the centre of upper and lower dryness storehouse cover.The temperature range of two dryness storehouses 12 is different：Near enter
The dryness storehouse of material end (left end) is connected with the lower agglomerating chamber cover 22 in sintering equipment 10 by pipeline, the relatively low (200-250 of temperature
℃)；Dryness storehouse near agglomerating chamber's (right-hand member) is connected with the lower agglomerating chamber cover 23 in sintering equipment 10 by pipeline, and temperature is relatively
High (360-450 DEG C)；By the design for gradually heating up in different dryness storehouses, transporter 9 can be made to transport pelletizing 1 and to pass sequentially through two
The dryness storehouse of different temperatures is realizing progressively drying for pelletizing 1；While being all placed with desiccant in dryness storehouse 12, burn for drying
Pelletizing 1 before knot.
Agglomerating chamber 2 in the present embodiment in sintering equipment 10 is by the lower agglomerating chamber cover 22/23 of bottom, the upper agglomerating chamber on top
Cover 24, burner 4, fuel inlet 6 constitute；Transporter 9 transports inside of the pelletizing 1 by agglomerating chamber 2, and agglomerating chamber 2 is used for ball
The sintering of group 1, burner 4 is used for the pelletizing that burns.Introduction passage 3 is arranged on the top of agglomerating chamber's cover 24, the introduction passage 3
It is a hollow pipe structure, inside builds refractory material protective layer by laying bricks or stones, which is closed near one end of drying device, the opening of the other end
Mouth covers 84 upper openings with the 4th cooling storehouse in chiller 7 and is connected；Introduction passage 3 is used for supplying burning gases to agglomerating chamber 2；
Fuel inlet 6 is arranged on 2 outside of agglomerating chamber, and fuel inlet 6 is that 9, fuel inlet 6 is used for continuously supplying combustion to burner 4
Material 61；Burner 4 is arranged on inside agglomerating chamber 2, and the fuel 61 that the burner 4 is input into by fuel inlet 6 is burnt,
Pelletizing 1 on transporter 9 is sintered；Introduction passage 3 is connected with burner 4 by pipeline 21, and introduction passage 3 is by pipe
Road 25 is connected with agglomerating chamber 2.
In the present embodiment, the cooling storehouse 8 of chiller 7 is by the first cooling storehouse cover 81 of bottom, the second cooling storehouse cover on top
82nd, the 3rd cooling storehouse cover 83 and the 4th cooling storehouse cover 84 constitute.The transporter 9 of conveying pelletizing 1 is located in cooling storehouse 8, and second is cold
But storehouse cover the 82, the 3rd cools down storehouse cover 83 and the 4th cooling storehouse cover 84 is covered side by side in the top of transporter 9, the first cooling storehouse cover 81
Cover in the lower section of transporter 9；Coolant is placed with the cooling storehouse 8.The entrance of venting channels 5 is arranged on the outer of cooling storehouse 8
Side, the venting channels 5 are through the inside in cooling storehouse 8 so that cooling gas are entered in venting channels 5 and in 8 interior suction of cooling storehouse
The heat for receiving pelletizing 1 carries out heat exchange.4th cooling storehouse cover 84 is provided with a circle near the side partition wall top of sintering equipment 10
Shape perforate, the opening diameter is consistent with the diameter of venting channels 5, and is connected with venting channels 5.Inside venting channels 5
The suction of air exhauster 13 that is subject in lower sintering bin cover 22/23 of warm air enter in introduction passage 3.3rd cooling
Inside the cover of storehouse cover 83 and the 4th cooling storehouse cover 84, no next door is structure as a whole, and which is the cavity knot that inside builds refractory material by laying bricks or stones
Structure；There is partition wall 182 inside the cover of the 3rd cooling storehouse cover 83 and the second cooling storehouse cover 82；One is provided with outside the first cooling storehouse cover 81
Platform cooling air blower 15, and it is divided into two venting channels 5 inside the 81 interior 1 road partition wall 181 for arranging of the first cooling storehouse cover is by which,
And two regulating valves are provided with to control respectively to the input of each venting channels 5 in the porch of the first cooling storehouse cover 81
Intake, it is to avoid using the technological deficiency of multiple cooling air blowers.
In the present embodiment, the upper agglomerating chamber cover 24 of sintering equipment 10 is internally provided with partition wall, and upper agglomerating chamber is covered 24 by the partition wall
It is divided into two parts；Partition wall position in upper agglomerating chamber cover 24 is just being located at the division wall of lower agglomerating chamber's cover 22 and lower agglomerating chamber cover 23
Top, this two partition walls are reserved with same centrage and only therebetween the space that transporter passes through.Introduction passage 3 and cold
But the 4th cooling storehouse cover 84 of device 7 is to connect the space, the i.e. introduction passage 3 that no separate by the 4th with the 3rd cooling storehouse cover 83
The round hole that cooling storehouse cover 84 is provided near the side partition wall top of sintering equipment 10 is connected with venting channels 5；3rd
Cooling storehouse cover 83 and the second cooling storehouse cover 82 are provided with partition wall between being, are only reserved with transport between two adjacent cooling storehouse covers
The space that machine 9 passes through.
Understand, in the pellet sintering equipment of the present embodiment, cooling storehouse aerator is that 1, air exhauster 2, at fuel inlet
Combustion fan all cancel, blower fan utilization rate is higher, more energy efficient, substantially reduce the number construction investment.
Additionally, the present embodiment also provides the air circulation in a kind of pelletizing equipment, cold wind is by aerator 15 from cooling gas
Enter at body entrance A in venting channels 5, venting channels 5 are divided into two venting channels 5 and enter respectively in the porch in cooling storehouse 8
Enter to cool down in storehouse 8, venting channels 5 are through the inside in cooling storehouse 8, cold in the cooling gas supplement heat rejecter storehouse 8 in venting channels 5
But agent cools down pelletizing, and the space for being then passed through transporter 9 is cooled down to the pelletizing 1 after sintering, and the cold wind for entering venting channels 5 exists
In cooling storehouse 8 with obtain warm braw and absorb in cooling storehouse 8 becoming burning gases after the heat of pelletizing 1 after 1 heat exchange of high temperature pelletizing
(warm braw), warm braw respectively enters the 4th cooling storehouse cover 84 and the 3rd cooling storehouse cover 83, second is cooled down in storehouse cover 82, cold by adjusting
But the aperture of two regulating valves on the venting channels 5 of storehouse 8 porch two, can adjust internal 2 venting channels 5 in cooling storehouse 8
Cold flow, and then control the 4th cool down storehouse cover 84 and the 3rd cooling storehouse cover 83, second cool down storehouse cover 82 warm air temperature.
Now, the warm braw of the condition of high temperature in the venting channels 5 in the 4th cooling storehouse cover 84 and the 3rd cooling storehouse cover 83 is received
Enter in introduction passage 3 to the suction of the interior air exhauster 13 for arranging of lower sintering storehouse cover 22/23, and enter introduction passage
3 heating installation is divided into two parts, and a part of warm braw enters burner 4 through pipeline 21 and directly participates in burning, commonly referred to once helps
Combustion wind, another part warm braw is entered inside upper agglomerating chamber's cover 24 through the pipeline 25 between introduction passage 3 and upper agglomerating chamber cover 24, is risen
To concurrent heating and the effect of secondary combustion-supporting so that fuel is more prone to oxidizing fire, commonly referred to secondary combustion-supporting wind；The helping of this enforcement
Combustion wind is all using warm braw (600-1000 DEG C), it is to avoid existing design all needs energy, the present invention using cold wind, temperature-rise period
Significantly reduce energy expenditure.Air exhauster is subject to after pellet sintering reaction on warm braw in upper agglomerating chamber cover 24 and transporter 9
Suction continue operation downwards and enter in lower agglomerating chamber's cover 22 and lower agglomerating chamber cover 23.Warm braw in lower agglomerating chamber's cover 23 leads to
Cross air exhauster 13 to enter in the lower dryness storehouse cover 123 of drying device, the pelletizing 1 being then then passed through on transporter 9 dries right-hand member
Pelletizing 1 in storehouse carries out forced air drying, and the waste gas after heat exchange is entered in upper dryness storehouse cover 124.Enter in lower agglomerating chamber cover 22
Warm braw by air exhauster 13 enter drying device lower dryness storehouse cover 122, the 1 pair of left side of pelletizing being then then passed through on transporter 9
Pelletizing 1 in the dryness storehouse of end carries out forced air drying, and the waste gas after heat exchange enters upper dryness storehouse cover 121.In order to adjust by
Lower agglomerating chamber's cover 22/23 enters the heater temperature of air exhauster, is respectively provided with the heating installation input channel before air exhauster 13 is entered
Convert cold wind valve (totally 2).In order to the heater temperature for entering drying device 11 is adjusted, dry dress is entered at 13 rear portion of air exhauster
It is respectively provided with the heating installation input channel that puts and cold wind valve (totally 2) is converted, and is provided between air exhauster 13 and sintering equipment
Hot precipitator 19, carries out dedusting for the heating installation to extracting out from lower agglomerating chamber cover 22/23.
Through electricity after waste gas convergence one pipeline of entrance in heating installation and dryness storehouse in the second cooling storehouse cover 82 in cooling storehouse 8
After 16 dedusting of cleaner unit, then discharged by chimney 17 after extracting through air exhauster 14.
The structure on labor agglomerating chamber top again, as shown in Fig. 2 in introduction passage 3, pipeline 21 and upper sintering cover 24
Gas in fuel inlet 6 and burner 4 is negotiable；Gas in introduction passage 3, pipeline 25 and agglomerating chamber 2 is negotiable；Logical
The realization that is fully contacted for crossing flowing, high temperature and the fuel of gas is fully burnt, and can reduce environmental pollution.Enter introduction passage 3
Heating installation is divided into two parts, and a part of warm braw 80 enters burner 4 through pipeline 21 and directly participates in burning, commonly referred to once combustion-supporting
Wind 801, another part warm braw 80 is directly entered inside agglomerating chamber through pipeline 25, plays a part of concurrent heating and secondary combustion-supporting, generally
Referred to as secondary combustion-supporting wind 802.Regulating butterfly valve 702 and regulating butterfly valve 703 is respectively provided with pipeline 21 and pipeline 25, for adjusting gas
The uninterrupted of body；In fuel inlet 6 arrange regulating butterfly valve 701 be used for adjust fuel quantity number；Fuel 61 passes through fuel
Import 6 is entered is burnt and is jetted out flames 62 in burner 4, and the warm braw 803 being heated by the flame through and transporter 9
On pelletizing 1 reacted after become and warm braw 804 after pelletizing heat exchange.
Understand the technique scheme in the present invention for convenience, below by way of specifically used mode to upper in the present invention
State technical scheme further to describe in detail.
Transporter 9 transports un-sintered pelletizing 1 first by drying device 11, transports the un-sintered pelletizing 1 for coming and is being positioned over
It is dried in the presence of desiccant in dryness storehouse；
Machine 9 is transported through dried un-sintered pelletizing 1 and the agglomerating chamber 2 for arranging in sintering equipment 10 is transported,
This carries out the sintering of pelletizing 1, and burner 4 is used for the pelletizing 1 that burns, and fuel inlet 6 is used for continuously supplying combustion to burner 4
Material, introduction passage 3 is used for supplying burning gases to agglomerating chamber 2, so that fuel and gas is fully burned, burns in agglomerating chamber 2
High-temperature gas afterwards is subject to the effect of air exhauster 13 to flow through dryness storehouse 12 again and nearby plays pelletizing 1 before assistance desiccant dryness sintering
Effect, simultaneously work as carrying out the pelletizing 1 before sintering the effect of the pre-heat treatment；
Pelletizing 1 after sintering continues transport to chiller 7 by transporter 9, and chiller 7 includes 5 He of venting channels
Cooling storehouse 8, places coolant in cooling storehouse 8, and cooling gas are by venting channels 5 through in cooling storehouse 8, and cooling gas enter cold
But the heat of agglomerates of sintered pellets 1 is absorbed behind storehouse 8, and to cooling down by cooling down the pelletizing in storehouse 8, supplement heat rejecter agent cools down pelletizing 1,
Cooling gas become burning gases after absorbing heat, flow into introduction passage 3 with the condition of high temperature, and then flow into agglomerating chamber 2 so that combustion
Material is more prone to, fully oxidized burning；Then the high-temperature gas that agglomerating chamber 2 flows out, flows through to play near dryness storehouse 12 and assists to do
Before drying prescription drying and sintering, pelletizing 1 is acted on, and the high-temperature gas for flowing out from agglomerating chamber 2 passes through the hole of transporter 9 and pelletizing 1 to carry out heat
Exchange, pelletizing is dried.
Embodiment 2
As shown in figure 4, the warm braw in the present embodiment Zhong Xia agglomerating chamber cover 23 enters the upper dry of drying device by air exhauster
In dry storehouse cover 124, being then then passed through the pelletizing on transporter carries out convulsion drying to the pelletizing in right-hand member dryness storehouse, after heat exchange
Waste gas enter in lower dryness storehouse cover 123.Other settings are in the same manner as in Example 1, will not be described here.
Embodiment 3
As shown in figure 5, the warm braw in the present embodiment Zhong Xia agglomerating chamber cover 23 enters the upper dry of drying device by air exhauster
In dry storehouse cover 124, being then then passed through the pelletizing on transporter carries out convulsion drying to the pelletizing in right-hand member dryness storehouse, after heat exchange
Waste gas enter in lower dryness storehouse cover 123.The warm braw for entering in lower agglomerating chamber cover 22 enters the upper of drying device by air exhauster
Dryness storehouse cover 121, being then then passed through the pelletizing on transporter carries out convulsion drying to the pelletizing in left end dryness storehouse, after heat exchange
Waste gas enter lower dryness storehouse cover 122.Other settings are in the same manner as in Example 1, will not be described here.
Presently preferred embodiments of the present invention is the foregoing is only, not in order to limit the present invention, all essences in the present invention
God and principle within, any modification, equivalent substitution and improvement that is made etc., all accompanying claims protection domain of the present invention it
Interior.
Claims (10)
1. a kind of pellet sintering equipment, including drying device, sintering equipment, chiller, it is characterised in that the sintering equipment
One end connects chiller, and the other end connects drying device；
The drying device includes the dryness storehouse that the pelletizing to be sintered come by conveying is dried, and the sintering equipment includes sintering
Room and introduction passage, the introduction passage introduces burning gases to the agglomerating chamber, and the agglomerating chamber is used for from the drying
After the drying that storehouse conveying comes, pelletizing is sintered, and the chiller includes to cool down storehouse and venting channels, the venting channels to
Cooling gas are introduced in the cooling storehouse, are cooled down to being transported to pelletizing after the sintering in the cooling storehouse from the agglomerating chamber.
2. pellet sintering equipment as claimed in claim 1, it is characterised in that also include positioned at the sintering equipment, dry dress
Put and transporter inside chiller, the transporter is used for conveying pelletizing and passing sequentially through the drying in the same horizontal line
Device, sintering equipment and chiller；The drying device, sintering equipment and chiller are all the structures of autonomous closure, fortune
Defeated machine is sealed in drying device, sintering equipment and chiller internal operation.
3. pellet sintering equipment as claimed in claim 1, it is characterised in that the introduction passage is arranged on the sintering equipment
Top, and the introduction passage is connected with the agglomerating chamber；The agglomerating chamber is used for the sintering of pelletizing；The introduction passage is one
Individual hollow pipe structure, inside builds refractory material protective layer by laying bricks or stones, its near drying device one end close, the opening of the other end with
Chiller is connected.
4. pellet sintering equipment as claimed in claim 3, it is characterised in that the agglomerating chamber includes that burner and fuel enter
Mouthful；The fuel inlet is used for continuously supplying fuel to burner, and the fuel inlet is arranged on the outside of agglomerating chamber；The combustion
Burn device be arranged on inside agglomerating chamber, the burner make fuel inlet input fuel burnt, while with the introducing
Passage connects.
5. pellet sintering equipment as claimed in claim 1, it is characterised in that the entrance of the venting channels is arranged on cooling storehouse
Outside, the venting channels through cooling storehouse inside；Cooling gas are entered in venting channels and absorb ball in cooling storehouse
The heat of group carries out heat exchange, the coolant cooling pelletizing in supplement heat rejecter storehouse, and cooling gas become burning gases after absorbing heat,
Introduction passage is flowed into the condition of high temperature, and then inflow agglomerating chamber causes fuel to be more prone to oxidizing fire；The agglomerating chamber flows out
High-temperature gas enter drying device in assist desiccant dryness sintering before pelletizing effect.
6. pellet sintering equipment as claimed in claim 5, it is characterised in that the porch of the venting channels is provided with air blast
Machine；Cooling gas are entered in venting channels by the aerator, and are provided with two at venting channels entrance cooling Hatch Opening
Regulating valve is to control the size to different venting channels input intakes respectively.
7. pellet sintering equipment as claimed in claim 1, it is characterised in that the bottom of the sintering equipment is provided with convulsion
Machine, enters back into sintering interior for extracting after the entrance introduction passage of the gas in venting channels, and enters back in drying device.
8. pellet sintering equipment as claimed in claim 1, it is characterised in that also include electric cleaner, the convulsion being sequentially connected
Machine and exhaust chimney；Lead to after air exhauster extraction again after electric cleaner dedusting from expellant gas in drying device and cooling storehouse
Cross exhaust chimney discharge.
9. pellet sintering equipment as claimed in claim 1, it is characterised in that the gas for entering the introduction passage is divided into two
Point, a part of gas enters burner through pipeline and directly participates in burning, referred to as one time combustion air；Another part gas is through pipeline
Enter inside agglomerating chamber, play a part of concurrent heating and secondary combustion-supporting, referred to as secondary combustion-supporting wind.
10. pellet sintering equipment as claimed in claim 1, it is characterised in that be placed with desiccant in the dryness storehouse, be used for
Pelletizing before drying and sintering；Coolant is placed with the cooling storehouse, for cooling down the pelletizing after sintering.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610791471.8A CN106435165B (en) | 2016-08-31 | 2016-08-31 | A kind of pellet sintering equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610791471.8A CN106435165B (en) | 2016-08-31 | 2016-08-31 | A kind of pellet sintering equipment |
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| CN106435165A true CN106435165A (en) | 2017-02-22 |
| CN106435165B CN106435165B (en) | 2019-01-11 |
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| CN201610791471.8A Active CN106435165B (en) | 2016-08-31 | 2016-08-31 | A kind of pellet sintering equipment |
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| CN110449452A (en) * | 2019-09-12 | 2019-11-15 | 秦皇岛开发区春光铸造机械有限公司 | A kind of device and method of continuous internal-combustion mode renovation of organic pollution soil |
| CN113227695A (en) * | 2018-12-11 | 2021-08-06 | 保尔伍斯股份有限公司 | Sintering machine |
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| Publication number | Publication date |
|---|---|
| CN106435165B (en) | 2019-01-11 |
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