CN106091703A - A kind of two-part agglomerates of sintered pellets chiller - Google Patents
A kind of two-part agglomerates of sintered pellets chiller Download PDFInfo
- Publication number
- CN106091703A CN106091703A CN201610677495.0A CN201610677495A CN106091703A CN 106091703 A CN106091703 A CN 106091703A CN 201610677495 A CN201610677495 A CN 201610677495A CN 106091703 A CN106091703 A CN 106091703A
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- Prior art keywords
- section
- chiller
- discharge bucket
- cooling
- hopper
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D15/00—Handling or treating discharged material; Supports or receiving chambers therefor
- F27D15/02—Cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
Abstract
The invention discloses a kind of two-part agglomerates of sintered pellets chiller, including hopper, blanking section and discharge bucket；Hopper is provided with inlet valve, one section of air outlet, one section of air inlet, and taper cooling tube is arranged in hopper, forms air compartment one between taper cooling tube and hopper, and air compartment one connects with one section of air inlet, and taper cooling tube offers some exhaust vents one；Discharge bucket is provided with charging aperture, two-stage nitration air outlet, two-stage nitration air inlet, discharge gate, two-step cooling plate is inclined in discharge bucket, cooling twice section is formed between two-step cooling plate upper surface and discharge bucket, air compartment two is formed between two-step cooling plate lower surface and discharge bucket, air compartment two connects with two-stage nitration air inlet, and two-step cooling plate is provided with some exhaust vents two.Chiller of the present invention uses two sections of cooling structures, improves chiller sealing and heat recovery efficiency, saves the configuration of external equipment, reaches the requirement of environmental protection and energy saving；This chiller may be used alone, can also be used in combination.
Description
Technical field
The present invention relates to blast furnace process field, particularly to a kind of two-part agglomerates of sintered pellets chiller.
Background technology
Steel works sintering scale progressively expands, and causes the yield of sintering deposit to increase sharply, owing to sintering deposit is wanted by blast furnace
Seeking Truth room temperature, it is therefore necessary to heat sinter is cooled down.Below the sintering deposit cooling of existing domestic steel industry mostly uses
Three kinds of types of cooling: one is flat cooling, two is belt cooling, and three is annular cooling.The common work of these types of cooling is former
Reason is: high-temperature material cools down in closed containing cavity, carries out heat exchange with cooling air-flow, and the heat of material is taken away by gas.
Central cooler is common equipment, and its cooling means is to intersect to cool down, and there is cooling terminal, at central cooler traffic direction
On, flue-gas temperature is more and more lower, and central cooler is revolving body, and high temperature makes central cooler deflection big, and sand seal or water seal were easily lost efficacy,
This will cause central cooler seal structure complex, manufacturing cost and cost of equipment maintenance the highest, it is difficult to promotes the use of.Middle promulgated by the State Council
Bright patent CN 101957146 A proposes " a kind of sealing device for annular cooling machine ", and this patented technology is to adopt in sintering ore cooling device
By the way of water-stop, although can guarantee that certain sealing function, but cannot ensure that chiller high negative pressure operates, because high
Negative pressure can make sealing device lose efficacy.
Owing to existing heat sinter carrier (such as car, groove) is kept in motion, the chiller of existing heat sinter
The omnidistance seal of heat sinter cooling procedure usually cannot be effectively ensured, and this allows for sintering deposit cooling procedure and actually exists
Semi-hermetic or wide-open environment are carried out, has to increase cooling air quantity in order to ensure cooling effect, thus bring two
Individual problem, one is the energy consumption height of blower fan, and two is that the pathogenic wind-warm after heat exchange is relatively low, and waste heat recovery is worth low, causes sintering deposit first
Pick up the heat rate is the highest.Such as Chinese utility model patent CN 203451587 U proposes a kind of " a kind of vertical cooling kiln ",
This patented technology is at kiln body centrally disposed center blast cap, for cooling down high-temperature material.Due to the differing greatly of material particular diameter (0～
300mm), the bigger material of thin material ratio is easier to cooling, if using the one-step cooling method of this patent, in order to ensure to occur without
High-temperature material, needs to put into the biggest air quantity, and this will cause exporting pathogenic wind-warm and reduce, and is unfavorable for by waste heat boiler or other recovery dresses
Put recycling.
Therefore, existing sintering deposit cooling device have bulky, investment is high, energy consumption big, plant maintenance workload is big,
The shortcoming that inleakage is big and heat recovery efficiency is low.
Summary of the invention
Goal of the invention: the energy consumption that the present invention seeks to exist for existing sintering ore cooling device is big, heat recovery efficiency is low
Problem, it is provided that energy resource consumption can be saved, the two-part agglomerates of sintered pellets chiller of cooling effectiveness can be improved again.
To achieve these goals, present invention employs following technical scheme: a kind of two-part agglomerates of sintered pellets cooling dress
Put, including hopper, taper cooling tube, blanking section, two-step cooling plate and discharge bucket；
Hopper top is provided with inlet valve and one section of air outlet, and hopper side is provided with one section of air inlet, bottom hopper
Being provided with blanking section, taper cooling tube is arranged in hopper, and taper cooling tube upper end connects with inlet valve and one section of air outlet, cone
Shape cooling tube lower end is connected with blanking section upper end, forms air compartment one between taper cooling tube and hopper, and air compartment one enters with one section
Air port connects, and taper cooling tube offers some exhaust vents one；
Discharge bucket top is provided with charging aperture and two-stage nitration air outlet, and charging aperture connects with blanking section lower end, and discharge bucket side sets
Having push rod and two-stage nitration air inlet, be provided with discharge gate bottom discharge bucket, two-step cooling plate is inclined in discharge bucket, two-step cooling
Forming cooling twice section between plate upper surface and discharge bucket, cooling twice section upper end is provided with cuts somebody's hair, and cuts somebody's hair and is connected with push rod, secondary
Cooling section lower end is connected with discharge gate, forms air compartment two between two-step cooling plate lower surface and discharge bucket, and air compartment two enters with two-stage nitration
Air port connects, and two-step cooling plate is provided with some exhaust vents two, and exhaust vent two is provided with blast cap.
Further, being provided with deflector outside described exhaust vent one, deflector one end is connected with exhaust vent bead once,
The deflector other end tilts upward.
Further, being provided with water conservancy diversion grid inside described exhaust vent one, water conservancy diversion grid is provided with downward-sloping pod apertures.
Further, described exhaust vent two is circular port.
Further, described exhaust vent two is bar hole.
Further, described two-step cooling plate forms angle theta with horizontal plane, and angle theta is 5～25 °.
Further, the quantity of described taper cooling tube is at least one, described blanking section, two-step cooling plate and discharge bucket
Quantity identical with taper cooling tube, and one_to_one corresponding.
Beneficial effect:
(1) chiller of the present invention uses two sections of cooling structures, and two sections of cooling structures are blown respectively, and one-step cooling is blown
Technique reclaims and meets energy regenerating requirement, and two-step cooling air feeding technique meets the requirement produced material temperature, it is to avoid localized hyperthermia's thing
The appearance of material；
(2) owing to have employed said structure, improving the sealing of cooling device, compared with central cooler equipment, air leak rate of air curtain subtracts
Having lacked 40%, the efficiency of heat recovery improves more than 20%, and heat recovery efficiency improves compared with existing cooling device
57%；
(3) this chiller decreases the configuration of external equipment, and installation general power decreases 10%, reaches environmental protection and energy saving
Requirement；
(4) this chiller may be used alone, can also be used in combination, and concrete arrangement need to be true according to technological requirement
Fixed.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention one；
Fig. 2 is the schematic cross-section of taper cooling tube in the embodiment of the present invention one；
Fig. 3 is the schematic cross-section of taper cooling tube in the embodiment of the present invention two；
Fig. 4 is the schematic cross-section of two-step cooling plate in the embodiment of the present invention one；
Fig. 5 is the structural representation of two-step cooling plate in the embodiment of the present invention one；
Fig. 6 is the structural representation of two-step cooling plate in the embodiment of the present invention two；
Fig. 7 is the cross-sectional view of the embodiment of the present invention three；
Fig. 8 is the plan structure schematic diagram of the embodiment of the present invention three.
In figure: 1-hopper, 2-taper cooling tube, mono-section of air inlet of 3-, 4-push rod, 5-cuts somebody's hair, 6-two-stage nitration air inlet, 7-
Two-step cooling plate, 8-two-stage nitration air outlet, 9-deflector, 10-pod apertures, 11-water conservancy diversion grid, 12-blast cap, 13-exhaust vent two,
14-blanking section, 15-inlet valve, mono-section of air outlet of 16-, 17-discharge bucket, 18-air compartment one, 19-exhaust vent one, 20-charging aperture,
21-discharge gate, 22-cooling twice section, 23-air compartment two.
Detailed description of the invention:
Below in conjunction with the accompanying drawings the present invention is done and further explain.
Embodiment one
As shown in Fig. 1,2,4,5, a kind of two-part agglomerates of sintered pellets chiller of the present invention, cold including hopper 1, taper
But pipe 2, blanking section 14, two-step cooling plate 7 and discharge bucket 17.
Hopper 1 top is provided with inlet valve 15 and one section of air outlet 16, and hopper 1 side is provided with one section of air inlet 3, material feeding
It is provided with blanking section 14 bottom bucket 1.Taper cooling tube 2 is arranged in hopper 1, taper cooling tube 2 upper end and inlet valve 15 and
Section air outlet 16 connects, and taper cooling tube 2 lower end is connected with blanking section 14 upper end, forms one-step cooling inside taper cooling tube 2
Section, forms air compartment 1 between taper cooling tube 2 and hopper 1, air compartment 1 connects with one section of air inlet 3, taper cooling tube 2
On offer some exhaust vents 1.Deflector 9, deflector 9 one end and exhaust vent one it is provided with outside described exhaust vent 1
19 times bead connects, and deflector 9 other end tilts upward, and the gap size of exhaust vent 1 can with the angle that deflector 9 is arranged
Determine according to wind speed.
Discharge bucket 17 top is provided with charging aperture 20 and two-stage nitration air outlet 8, and charging aperture 20 connects with blanking section 14 lower end, discharging
17 sides of struggling against are provided with push rod 4 and two-stage nitration air inlet 6, and push rod 4 is fluid pressure drive device, actuating device of atmospheric pressure or electric device, goes out
Discharge gate 21 it is provided with bottom hopper 17.Two-step cooling plate 7 is inclined in discharge bucket 17, two-step cooling plate 7 and horizontal plane shape
Becoming angle theta, angle theta is 5～25 °.Forming cooling twice section 22 between two-step cooling plate 7 upper surface and discharge bucket 17, secondary is cold
But section 22 upper end is provided with and cuts somebody's hair 5, and cutting somebody's hair 5 is connected with push rod 4, and cooling twice section 22 lower end is connected with discharge gate 21.Two-step cooling
Forming air compartment 2 23 between plate 7 lower surface and discharge bucket 17, air compartment 2 23 connects with two-stage nitration air inlet 6, and two-step cooling plate 7 sets
Having some exhaust vents 2 13, described exhaust vent 2 13 is circular port, and exhaust vent 2 13 is provided with blast cap 12.
Material to be cooled is entered hopper 1 by inlet valve 15 and is isolated by taper cooling tube 2, and cold wind passes through one section of air intake
Mouth 3 blasts air compartment 1, is then entered inside taper cooling tube 2 by exhaust vent 1, once cools down material, cooling
After gas discharge from one section of air outlet 16, the material through once cooling down enters discharge bucket 17 by blanking section 14, push rod 4 with
Cutting somebody's hair under the effect of 5, material reaches cooling twice section 17, and cooling air blasts air compartment 2 23 from two-stage nitration air inlet 6, then passes through
Exhaust vent 2 13 enters cooling twice section 22, and material is carried out cooling twice, and the gas after cooling is discharged from two-stage nitration wind outlet 8,
This chiller is discharged by discharge gate 21 through the material of cooling twice.
As a example by sintering machine hourly output 100t/h of the present embodiment, temperature of charge is 650～700 DEG C, and material requirement cools down
To 100～150 DEG C, flue-gas temperature meets the requirement of the heat-exchange apparatus such as waste heat boiler, according to technique and the requirement of yield, this reality
Executing example and put into the room temperature air quantity of 150,000 m3/h at one section of air inlet 3, material is cooled to 200～250 DEG C, and the pathogenic wind-warm of generation is 380
～500 DEG C of high-temperature flue gas, high-temperature flue gas meets the requirement of the heat-exchange apparatus such as waste heat boiler.30,000 m3/ are put at two-stage nitration air inlet
The room temperature air quantity of h, material is cooled to 100～150 DEG C, and low-temperature material meets process equipment requirement.
The chiller of the present invention is two sections of cooling structures, and including a cooling section and cooling twice section, two sections of coolings are logical
Punishment in advance envelope section 14 is connected, and one-step cooling is blown respectively with two-step cooling, and the recovery of one-step cooling air feeding technique meets energy regenerating and wants
Asking, two-step cooling air feeding technique meets the requirement produced material temperature, it is to avoid the appearance of localized hyperthermia's material.
Embodiment two
As shown in Fig. 1,3,6, embodiment two is with the difference of embodiment one: is provided with inside described exhaust vent 1 and leads
Stream grid 11, water conservancy diversion grid 11 is provided with downward-sloping pod apertures 10.Described exhaust vent 2 13 is bar hole.
Embodiment three
As shown in FIG. 7 and 8, in embodiment three, the quantity of described taper cooling tube 2 is 2, described blanking section 14, two-stage nitration
Coldplate 7 is identical with taper cooling tube 2 with the quantity of discharge bucket 17, and one_to_one corresponding.
Embodiment three is to be combined the chiller of two embodiments one using, and two chillers share one
Individual hopper 1.
This embodiment is as a example by sintering machine hourly output 420t/h, and temperature of charge is 650～700 DEG C, and material requirement cools down
To 100～150 DEG C, flue-gas temperature meets the requirement of the heat-exchange apparatus such as waste heat boiler, according to technique and the requirement of yield, this reality
Executing example and be classified into four separate units, each separate unit puts into the room temperature air quantity of 100,000 m3/h, thing respectively at one section of air inlet 3
Material is cooled to 200～250 DEG C, and the pathogenic wind-warm of generation is 380～500 DEG C of high-temperature flue gas, and high-temperature flue gas meets the heat such as waste heat boiler and hands over
The requirement of exchange device.Each separate unit puts into the room temperature air quantity of 30,000 m3/h respectively at two-stage nitration air inlet, and material is cooled to 100
～150 DEG C, low-temperature material meets process equipment requirement.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For Yuan, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (7)
1. a two-part agglomerates of sintered pellets chiller, it is characterised in that: include hopper (1), taper cooling tube (2), blanking
Section (14), two-step cooling plate (7) and discharge bucket (17)；
Hopper (1) top is provided with inlet valve (15) and one section of air outlet (16), and hopper (1) side is provided with one section of air inlet
(3), hopper (1) bottom is provided with blanking section (14), and taper cooling tube (2) is arranged in hopper (1), taper cooling tube (2)
Upper end connects with inlet valve (15) and one section of air outlet (16), and taper cooling tube (2) lower end is connected with blanking section (14) upper end, cone
Forming air compartment one (18) between shape cooling tube (2) and hopper (1), air compartment one (18) connects with one section of air inlet (3), and taper is cold
But some exhaust vents one (19) are offered on pipe (2)；
Discharge bucket (17) top is provided with charging aperture (20) and two-stage nitration air outlet (8), and charging aperture (20) is with blanking section (14) lower end even
Logical, discharge bucket (17) side is provided with push rod (4) and two-stage nitration air inlet (6), and discharge bucket (17) bottom is provided with discharge gate (21), two-stage nitration
Coldplate (7) is inclined in discharge bucket (17), forms secondary cold between two-step cooling plate (7) upper surface and discharge bucket (17)
But section (22), cooling twice section (22) upper end is provided with cut somebody's hair (5), and cut somebody's hair (5) are connected with push rod (4), under cooling twice section (22)
End is connected with discharge gate (21), forms air compartment two (23), air compartment two between two-step cooling plate (7) lower surface and discharge bucket (17)
(23) connecting with two-stage nitration air inlet (6), two-step cooling plate (7) is provided with some exhaust vents two (13), and exhaust vent two (13) is provided with
Blast cap (12).
A kind of two-part agglomerates of sintered pellets chiller the most according to claim 1, it is characterised in that: described exhaust vent one (19)
Outside is provided with deflector (9), and deflector (9) one end is connected with bead under exhaust vent one (19), and deflector (9) other end is tilted towards
On.
A kind of two-part agglomerates of sintered pellets chiller the most according to claim 1, it is characterised in that: described exhaust vent one (19)
Inner side is provided with water conservancy diversion grid (11), and water conservancy diversion grid (11) is provided with downward-sloping pod apertures (10).
A kind of two-part agglomerates of sintered pellets chiller the most according to claim 1, it is characterised in that: described exhaust vent two (13) is
Circular port.
A kind of two-part agglomerates of sintered pellets chiller the most according to claim 1, it is characterised in that: described exhaust vent two (13) is
Bar hole.
A kind of two-part agglomerates of sintered pellets chiller the most according to claim 1, it is characterised in that: described two-step cooling plate (7)
Forming angle theta with horizontal plane, angle theta is 5～25 °.
A kind of two-part agglomerates of sintered pellets chiller the most according to claim 1, it is characterised in that: described taper cooling tube (2)
Quantity be at least one, the quantity of described blanking section (14), two-step cooling plate (7) and discharge bucket (17) and taper cooling tube
(2) identical, and one_to_one corresponding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610677495.0A CN106091703B (en) | 2016-08-17 | 2016-08-17 | A kind of two-part agglomerates of sintered pellets cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610677495.0A CN106091703B (en) | 2016-08-17 | 2016-08-17 | A kind of two-part agglomerates of sintered pellets cooling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106091703A true CN106091703A (en) | 2016-11-09 |
| CN106091703B CN106091703B (en) | 2018-03-16 |
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| CN201610677495.0A Active CN106091703B (en) | 2016-08-17 | 2016-08-17 | A kind of two-part agglomerates of sintered pellets cooling device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106595322A (en) * | 2016-11-23 | 2017-04-26 | 武汉都市环保工程技术股份有限公司 | Cooling tower and waste heat utilization system |
| CN109269307A (en) * | 2017-11-03 | 2019-01-25 | 山东耀华能源投资管理有限公司 | A kind of totally-enclosed vertical air cooling kiln of sinter and its working method |
| CN109307427A (en) * | 2018-10-31 | 2019-02-05 | 中冶焦耐(大连)工程技术有限公司 | A kind of double horn mouth formula shaft furnace kiln bottom discharge bucket structure and its working method |
| CN109654893A (en) * | 2017-10-11 | 2019-04-19 | 中冶长天国际工程有限责任公司 | A kind of vertical cooling furnace of sinter air-draft-type and sinter cooling means |
| CN111023843A (en) * | 2019-12-13 | 2020-04-17 | 安徽骏马新材料科技股份有限公司 | Discharging cooling device of red lead oxidation furnace |
| CN112923734A (en) * | 2021-02-22 | 2021-06-08 | 晋城市博宇链传动有限公司 | Waste heat recovery type sintering cooling arrangement |
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| CN205909700U (en) * | 2016-08-17 | 2017-01-25 | 大峘集团有限公司 | Two segmentation sintering pelletizing cooling device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106595322A (en) * | 2016-11-23 | 2017-04-26 | 武汉都市环保工程技术股份有限公司 | Cooling tower and waste heat utilization system |
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| CN109654893A (en) * | 2017-10-11 | 2019-04-19 | 中冶长天国际工程有限责任公司 | A kind of vertical cooling furnace of sinter air-draft-type and sinter cooling means |
| CN109654893B (en) * | 2017-10-11 | 2020-08-28 | 中冶长天国际工程有限责任公司 | Sintered ore air draft type vertical cooling furnace and sintered ore cooling method |
| CN109269307A (en) * | 2017-11-03 | 2019-01-25 | 山东耀华能源投资管理有限公司 | A kind of totally-enclosed vertical air cooling kiln of sinter and its working method |
| CN109269307B (en) * | 2017-11-03 | 2024-03-08 | 山东耀华能源投资管理有限公司 | Totally-enclosed vertical air cooling kiln for sinter and working method thereof |
| CN109307427A (en) * | 2018-10-31 | 2019-02-05 | 中冶焦耐(大连)工程技术有限公司 | A kind of double horn mouth formula shaft furnace kiln bottom discharge bucket structure and its working method |
| CN111023843A (en) * | 2019-12-13 | 2020-04-17 | 安徽骏马新材料科技股份有限公司 | Discharging cooling device of red lead oxidation furnace |
| CN111023843B (en) * | 2019-12-13 | 2021-05-25 | 安徽骏马新材料科技股份有限公司 | Discharging cooling device of red lead oxidation furnace |
| CN112923734A (en) * | 2021-02-22 | 2021-06-08 | 晋城市博宇链传动有限公司 | Waste heat recovery type sintering cooling arrangement |
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| Publication number | Publication date |
|---|---|
| CN106091703B (en) | 2018-03-16 |
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