CN109988913A - A kind of vertical cooling machine and cooling means with the board-like discharge device of movement - Google Patents
A kind of vertical cooling machine and cooling means with the board-like discharge device of movement Download PDFInfo
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- CN109988913A CN109988913A CN201810001197.9A CN201810001197A CN109988913A CN 109988913 A CN109988913 A CN 109988913A CN 201810001197 A CN201810001197 A CN 201810001197A CN 109988913 A CN109988913 A CN 109988913A
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- 238000001816 cooling Methods 0.000 title claims abstract description 166
- 238000009826 distribution Methods 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 19
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- 230000005484 gravity Effects 0.000 claims description 9
- 239000004744 fabric Substances 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 5
- 206010008190 Cerebrovascular accident Diseases 0.000 claims description 4
- 208000006011 Stroke Diseases 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 claims description 4
- 238000005245 sintering Methods 0.000 abstract description 18
- 238000011084 recovery Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 5
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- 230000008439 repair process Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- DVIBGMXLSHEWGR-UHFFFAOYSA-N CC1C(C)CC(CC2)=C2C1 Chemical compound CC1C(C)CC(CC2)=C2C1 DVIBGMXLSHEWGR-UHFFFAOYSA-N 0.000 description 1
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- 238000004064 recycling Methods 0.000 description 1
- 230000009711 regulatory function Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000010583 slow cooling Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
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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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- 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
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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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Abstract
A kind of vertical cooling machine with the board-like discharge device of movement, the vertical cooling machine include distribution device, tower body, edge air supply device and mobile board-like discharge device；Tower body includes tower top, tower wall and tower bottom；The top of tower wall is arranged in tower top；The bottom of tower wall is arranged in tower bottom；Distribution device be arranged in the top of tower top and be connected to inside tower body；The middle and lower part of tower wall is arranged in edge air supply device；Tower bottom is equipped with discharge gate；The lower section of discharge gate is arranged in mobile board-like discharge device；Tower top or tower wall top are equipped with hot-blast outlet.Vertical cooling machine of the invention has sinter cooling velocity slow, and ton consumption cooling air quantity is small, and exhausted air quantity is relatively small, exhaust gas temperature is high, boiler thermal efficiency is high, and cooling exhaust gas can all be utilized by boiler, cooling feature of the sintering mine sensible heat rate of recovery generally up to 70% or so.
Description
Technical field
The present invention relates to a kind of sinter cooler and sinter cooling means, and in particular to one kind has mobile board-like row
The vertical cooling machine and cooling means for expecting device, belong to ironmaking field and environment protection field.
Background technique
During modern sintering process, " cooling " is more crucial one of process.Sinter is in the roasting by sintering machine
After burning, high temperature finished product mine has been formed, it is how cooling to its progress protectiveness under the premise of not influencing its quality and yield rate,
It can be sent into finished product ore storage bin through belt feeder, while the sensible heat energy perfection entrained by it being recycled, be all the time
The problem of skilled worker constantly studies in the industry.
Currently, sinter is cooling mainly using the conventional belt based on strong wind rapid cooling, disposable handling cooling principle
Cooler or circular cooler.Regardless of using which kind of type of cooling, it is big all to there is air leak rate of air curtain in cooler, and blower power consumption is high, sensible heat
The problems such as rate of recovery is low, and boiler thermal efficiency is low.In other words, in the Vehicles Collected from Market requirement with green manufacturing energy-saving to sintering production
Under the overall situation being increasingly stringenter, originally device structure has been difficult to realize sintering mine sensible heat high efficiente callback and has utilized.Therefore, it dashes forward
The limitation that broken tradition ring type is cooling or belt is cooling, develops the technique and technical equipment of a kind of sintering mine sensible heat high efficiente callback,
It has been the energy-saving and environment-friendly only way of sintering industry.
Summary of the invention
In view of the deficiencies of the prior art, the present invention passes through to a large amount of research work of domestic and international sintering mine sensible heat recycling aspect
Make, proposes a kind of based on small wind slow cooling sinter adverse current deep bed sintering cooling technique.The technique has sinter cooling velocity slow,
Ton consumption cooling air quantity is small, and exhausted air quantity is relatively small, and exhaust gas temperature is high, and boiler thermal efficiency is high, and cooling exhaust gas all can be by boiler benefit
With cooling feature of the sintering mine sensible heat rate of recovery generally up to 70% or so.
According to sinter adverse current deep bed sintering cooling technique, a kind of vertical cooling with the board-like discharge device of movement has been invented
Machine, the vertical cooling machine have cloth uniform, and discharge is uniform, the uniform feature of cloth wind, can also carry out region according to cooling effect
Discharge is adjusted, therefore the cooler good cooling results, and hot blast temperature is high, meets the requirement of sinter adverse current deep bed sintering cooling technique.
Wherein, the board-like discharge device of the movement of apparatus of the present invention has compared with the discharge devices such as electric vibrating feeder and plate belt feeder
The features such as discharge is uniform, simple and reliable for structure, Maintenance and Repair convenience, low manufacture cost, flexible and changeable arrangement form.
The invention vertical cooling machine compared with former ring cold machine, do not leak out by simple structure and reliable sealing, plant maintenance amount
Small, waste heat recovery efficiency is high.
The first embodiment according to the present invention provides a kind of vertical cooling machine with the board-like discharge device of movement:
A kind of vertical cooling machine with the board-like discharge device of movement, the vertical cooling machine include distribution device, tower body, side
Portion's air supply device and mobile board-like discharge device.Tower body includes tower top, tower wall and tower bottom.The top of tower wall is arranged in tower top.Tower
The bottom of tower wall is arranged in bottom.Distribution device be arranged in the top of tower top and be connected to inside tower body.The setting of edge air supply device
In the middle and lower part of tower wall.Tower bottom is equipped with discharge gate.The lower section of discharge gate is arranged in mobile board-like discharge device.On tower top or tower wall
Portion is equipped with hot-blast outlet.
In the present invention, the top of the distribution device is equipped with feed inlet.Tower bottom is slab construction or bores bottom structure, preferably
For slab construction.
In the present invention, which further includes center air supply device.Center air supply device includes blast cap, Duo Genzhong
The center air feed air duct of heart air feed branch pipe, annular or " C " shape and the center air feed air hose being connect with center air feed air duct.Its apoplexy
Cap is arranged in inside tower body and is located on the central axes of tower body.The outside of tower body is arranged in center air feed air duct.Each center
One end of air feed branch pipe is connected to center air feed air duct and the other end is connected to the bottom of blast cap or lower part.
In the present invention, the edge air supply device includes edge air feed air duct and the edge that connect with edge air feed air duct
Air feed air hose.Wherein edge air feed air duct around tower wall and be connected inside tower body.
Preferably, which further includes discharge chute, and the board-like discharge device of movement is arranged in discharge chute
Lower section.Preferably, the top of discharge chute and the bottom of tower bottom connect, and mobile board-like discharge device is located at discharge chute and tower
In the space of bottom composition.The bottom of discharge chute is equipped with discharge port.
In the present invention, the board-like discharge device of the movement includes driving device, movable plate, bracket, push-pull rod.Branch is set up
It sets the lower section in discharge gate and is located in discharge chute.Movable plate is arranged on bracket.Driving device is arranged in discharge chute
Outside.Push-pull rod one end connects driving device, and the other end of push-pull rod passes through discharge chute and connect with movable plate.As excellent
Choosing, mobile board-like discharge device further includes baffle.Baffle plate setting movable plate top and be fixedly connected with bracket.
Preferably, the driving device of the board-like discharge device of the movement is hydraulic cylinder, electric pushrod, Electrohydraulic push rod, electricity
One of dynamic cylinder, linear motor or slider-crank mechanism.
Preferably, which, preferably along circumferencial direction, is equipped with multiple temperature elements in tower wall.It is preferred that
, temperature element is located at the top of edge air supply device and protrudes into the inside of tower body.Preferably, temperature element is thermoelectricity
Even temperature sensor.
Preferably, the tower bottom of the vertical cooling machine is equipped with multiple discharge gates, and preferably 4-30 discharge gate is further excellent
It is selected as 4-24 discharge gate, more preferably 8-12 discharge gate.Preferably, multiple discharge gates are evenly provided on the circle of tower bottom
Circumferential direction.Each discharge gate is respectively arranged below with the board-like discharge device of movement.
In the present invention, the blast cap includes support frame, hood top cover, multiple taper cover boards and blast cap air hose.It is wherein more
A taper cover board is successively set on support frame.The top of top taper cover board is arranged in hood top cover.Air hose setting is being propped up
It the lower section of support and is connect with support frame.Preferably, the hood top cover is pyramidal structure.The cone angle of hood top cover is greater than
The cone angle of taper cover board.
Preferably, airflow channel is formed between the neighbouring taper cover board.
Preferably, the quantity of center air feed branch pipe is 1-12 root, preferably 2-10 root, more preferably 4-8 root.
Preferably, the blast cap of the center air supply device is arranged in the intracorporal middle and lower part of tower.The setting of center air feed air duct
In the outside of tower body.One end of each center air feed branch pipe is connected to center air feed air duct and the other end passes through tower wall and blast cap
Bottom or lower part connection.
Preferably, the blast cap of the center air supply device is located at the bottom centre position of tower body and extends upwardly into tower body
Portion space.Center air feed air duct is located at the outside of discharge chute.One end and center air feed air duct of each center air feed branch pipe
Connection and the other end pass through discharge chute and are connected to the bottom of blast cap or lower part.
In the present invention, which further includes control system.The mobile board-like discharge device of control system connection and
Temperature element, and control system separately controls the driving dress of mobile board-like discharge device below each discharge gate
It sets.
Second of embodiment according to the present invention provides a kind of cooling means of sinter:
A kind of cooling means of sinter uses a kind of above-mentioned vertical cooling machine with the board-like discharge device of movement
Method, method includes the following steps:
1) heat sinter is entered in tower body by distribution device, sinter continuous flow from top to bottom under the effect of gravity
It is dynamic, it is cooled down into vertical cooling machine；
2) cooling wind enters in tower body from the edge air supply device and center air supply device of vertical cooling machine, and cooling wind is under
Across being deposited in the intracorporal sinter bed of material of tower on and, and carry out heat exchange with sinter, the cooling wind temperature after heat exchange by
Edge up height, and sinter charge level is discharged in vertical cooling machine tower, forms high-temperature hot-air, and high-temperature hot-air is discharged through hot-blast outlet；It is excellent
Choosing, high-temperature hot-air are transported to afterheat utilizing system；
3) sinter is discharged to mobile board-like discharge device from one or more discharge gates after vertical cooling machine is cooling
On, the sinter on mobile board-like discharge device falls into discharge chute, is discharged from the discharge port of discharge chute.
In the above-mentioned methods, step 3) specifically: sinter is after vertical cooling machine is cooling, and control system is according in tower wall
Each temperature element monitor the temperature of sinter at each discharge gate top position；
If reaching emission request, control system controls the driving dress of mobile board-like discharge device below corresponding discharge gate
It sets, driving device drives corresponding movable plate mobile, so that the sinter at the discharge gate position be discharged；Sinter passes through movement
Board-like discharge device falls into discharge chute, is discharged from the discharge port of discharge chute；Preferably, when discharge, control system passes through
Temperature element detects the temperature of sinter at the discharge gate top position simultaneously, if temperature is higher than emission request, control system
Control the movement that driving device stops movable plate；
If not reaching emission request, without discharge at the discharge gate position.
In the present invention, it is divided into hot wind enrichment region and cooling zone from top to bottom inside the tower body of vertical cooling machine, is heat
The place of wind enrichment and heat sinter cooling.The hot wind enrichment region of its middle and upper part produces after mainly carrying out heat exchange with heat sinter
The place of raw hot wind enrichment, the cooling zone of lower part are the places that heat sinter and cooling wind carry out countercurrent heat exchange.It is vertical cold
But machine uses air-draft-type, and negative pressure is remained in vertical cooling machine, and circulating fan generates negative pressure in hot wind enrichment region, will be in it
Hot wind take away.
In the present invention, it is however generally that, the vertical cooling machine is mainly by distribution device, tower body, edge air supply device, movement
Board-like discharge device, center air supply device and hot-blast outlet composition.Distribution device is convenient for the vertical cooling machine uniform feeding, and heat is burnt
After knot mine enters distribution device, enter in the tower body being made of tower top, tower wall and tower bottom under the effect of gravity, it is natural in tower body
Accumulation；The sintering that cooling wind is accumulated by the edge air feed air hose and edge air feed air duct of edge air supply device even into tower body
In mine, sinter is cooled down；Cooling wind can also center air feed air hose by center air supply device, center air feed air duct
Enter blast cap with center air feed branch pipe, then pass through in the sinter that blast cap is accumulated even into tower body, sinter is cooled down；
Sinter after cooling by gravity flows into the discharge gate of tower bottom, if discharge gate is evenly arranged along the circumferencial direction of tower bottom
Dry, it ensure that sinter after cooling can equably flow downward；The mobile board-like row of connection one below each discharge gate
Expect device, can control the discharge velocity of each discharge gate by the board-like discharge device of movement.Cooling wind into tower body is passed through
After the heat exchange of heat sinter, heat sinter is cooled to 150 DEG C hereinafter, and itself being heated to higher temperature becomes heat
Then wind, hot wind pass through exhausting into the non-material area of tower body upper end by the charge level on bed of material top after the sinter bed of material again
Machine is discharged from hot-blast outlet, into subsequent afterheat generating system.
In the present invention, the board-like discharge device of the movement is by driving device, movable plate, bracket, push-pull rod and baffle group
At.Movable plate is located at the lower section of discharge gate, can hold the material (i.e. sinter) of discharge gate discharge, when without discharge,
Material will not spill, meanwhile, under the action of driving device, movable plate (or ecto-entad) can move from inside to outside, realize
Discharge function.Bracket mainly plays a part of to support movable plate.Baffle plate setting is in the top of movable plate, except exit side other are several
A side is equipped with baffle, and baffle can not only help movable plate to realize discharge, but also can prevent the unrestrained of material.When discharge, drive
Dynamic device drives movable plate first to exit side movement, under the action of material gravity, frictional force, movable plate meeting by push-pull rod
The material carried takes a distance out of；Then under the action of driving device, movable plate round about move one section away from
From, at this moment due to the effect of baffle, the material of movable plate carrying will not move together with movable plate, when movable plate it is mobile away from
When from the accumulation position for exceeding carried material, material will be discharged from movable plate exit side, to complete a discharging process.
Discharging process constantly recycles, it can realizes the equal and quantitative discharge of material.Moreover, the exit side of movable plate can be according to material stream
Dynamic uniformity flexible configuration, for example, exit side can be also possible to both ends discharging, i.e. the exit side of movable plate can at one end
It, can also inwardly or outwardly two sides all discharges with inwardly and outwardly.Inwardly referring to from tower wall to the side at tower body center herein
To referring to the direction from tower body center to tower wall outward.In the present invention, the driving device of mobile board-like discharge device does not limit
It is fixed, for example, the structures such as hydraulic cylinder, electric pushrod, Electrohydraulic push rod, electric cylinder, linear motor or slider-crank mechanism can be selected
One of.
In the present invention, which further includes the discharge chute being arranged in below the board-like discharge device of movement.Row
Expect that sinter of the effect of chute mainly by the board-like discharge device discharge of movement is concentrated, is then discharged by discharge port.
Preferably, which further includes multiple temperature elements, and position is located at the tower on edge air supply device top
On wall, and it extend into the inside of tower body.Temperature element is evenly distributed along the circumferencial direction of tower wall.Preferably, thermometric member
Part is thermocouple temperature sensor.The tower bottom of vertical cooling machine is circumferentially evenly provided with multiple discharge gates.In tower wall
Each temperature element be used to monitor the temperature of sinter at each discharge gate top position.
Preferably, which also has self feed back discharge regulatory function.The sintering of corresponding region is detected by temperature element
It is corresponding just normally to open the region after sinter temperature of some circumferential position of detection reaches cooling effect for mine temperature
Discharge gate below the board-like discharge device of movement, carry out normal discharge, conversely, allow the region sinter again cool down one section when
Between, after sinter temperature reaches cooling effect, then carry out normal discharge.
Preferably, center air supply device is by blast cap, center air feed branch pipe, center air feed air duct and center air feed air hose group
At.Center air feed branch pipe is circumferentially evenly arranged several, and each center air feed branch pipe one end is connected to blast cap, the other end with
The connection of center air feed air duct.It is responsible for equably to each center air feed branch pipe air feed in center air feed air duct.Center air feed air hose is negative
It blames to center air feed air duct air feed.
By the broken heat sinter of single roll crusher, vertical cooling machine top is transported by heat sinter conveying device
Portion enters in the distribution device of vertical cooling machine, and continuous flowing, natural packing exist sinter from top to bottom under the effect of gravity
In tower body, countercurrent heat exchange is carried out with the cooling wind in tower body from bottom to top, after sinter temperature is cooled to 150 DEG C or less, warp
The discharge gate of vertical cooling machine tower bottom is crossed, is then discharged in discharge chute by mobile board-like discharge device, then slipped from discharge
The discharge port of slot is discharged on cold sinter conveyer, then by cold sinter conveyer is transported sinter after cooling next
Process.
Cooling wind is under the action of circulating fan, from the edge air supply device and center air supply device of vertical cooling machine with one
Fixed pressure is passed through in tower body, passes through the sinter bed of material from bottom to top, and carry out countercurrent heat exchange with sinter.After heat exchange
Cooling wind temperature gradually rises, and sinter charge level is discharged in vertical cooling machine tower, forms high-temperature hot-air.High-temperature hot-air is through vertical
The hot-blast outlet on cooler top is discharged.The high-temperature hot-air of discharge enters subsequent afterheat generating system.
Generally, the height for the tower body being made of tower top, tower wall and tower bottom is usually 4-30 meters, and preferably 5-25 meters, more preferably
It is 6-20 meters, 8-15 meters further preferred.The overall diameter of tower body is generally 8-30 meters, and preferably 9-27 meters, preferably 10-25 meters, preferably
It is 11-22 meters, 12-20 meters more preferable.
In this application, the diameter of blast cap is usually 1.5-4 meters, preferably 1.8-3.5 meters, 2-3 meters more preferable, more preferably
2.2-2.8 rice, such as 2.5 meters.
Compared with prior art, the present invention has following advantageous effects:
1, technique of the invention has sinter cooling velocity slow, and ton consumption cooling air quantity is small, and exhausted air quantity is relatively small, exhaust gas
Temperature is high, and boiler thermal efficiency is high, and cooling exhaust gas can all be utilized by boiler, and the sintering mine sensible heat rate of recovery is generally up to 70% or so
Cooling feature；
2, cloth is uniform in present device, and discharge is uniform, and cloth wind is uniform, also has and carries out region row according to cooling effect
Expect the function of adjusting, therefore the cooler good cooling results, hot blast temperature height meet wanting for sinter adverse current deep bed sintering cooling technique
It asks；
3, vertical cooling machine of the present invention compared with the ring cold machine of the prior art, do not leak out by simple structure and reliable sealing,
Plant maintenance amount is small, and waste heat recovery efficiency is high；
4, the board-like discharge device of movement of the invention has compared with the discharge devices such as electric vibrating feeder and plate belt feeder
The features such as discharge is uniform, simple and reliable for structure, Maintenance and Repair convenience, low manufacture cost, flexible and changeable arrangement form.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the vertical cooling machine with the board-like discharge device of movement of the present invention；
Fig. 2 is the structural schematic diagram of another vertical cooling machine with mobile board-like discharge device of the present invention；
Fig. 3 is the structural schematic diagram of the edge air supply device of vertical cooling machine of the present invention；
Fig. 4 is the structural schematic diagram of the center air supply device of vertical cooling machine of the present invention；
Fig. 5 is the main view of the board-like discharge device of movement of vertical cooling machine of the present invention；
Fig. 6 is the top view of the board-like discharge device of movement of vertical cooling machine of the present invention；
Fig. 7 is the structural schematic diagram of the board-like discharge device both ends discharging of movement of vertical cooling machine of the present invention；
Fig. 8 is the cross-sectional view of the position B-B in Fig. 1；
Fig. 9 is the structural schematic diagram of the blast cap of center air supply device of the invention；
Figure 10 is a kind of control system schematic diagram of the vertical cooling machine with the board-like discharge device of movement of the present invention；
Figure 11 uses schematic diagram for a kind of vertical cooling machine with the board-like discharge device of movement of the present invention.
Appended drawing reference: A0: vertical cooling machine；1: distribution device；2: tower body；201: tower top；202: tower wall；203: tower bottom；
204: discharge gate；3: edge air supply device；301: edge air feed air duct；302: edge air feed air hose；4: mobile board-like discharge dress
It sets；401: driving device；402: movable plate；403: bracket；404: push-pull rod；405: baffle；5: hot-blast outlet；6: center air feed
Device；M: blast cap；M01: support frame；M02: top cover；M03: taper cover board；M04: air hose；601: center air feed branch pipe；602: in
Heart air feed air duct；603: center air feed air hose；7: discharge chute；701: discharge port；8: temperature element；K: control system.
Specific embodiment
The first embodiment according to the present invention provides a kind of vertical cooling machine with the board-like discharge device of movement:
A kind of vertical cooling machine with the board-like discharge device of movement, vertical cooling machine A0 include distribution device 1, tower body
2, edge air supply device 3 and mobile board-like discharge device 4.Tower body 2 includes tower top 201, tower wall 202 and tower bottom 203.Tower top 201
The top of tower wall 202 is set.The bottom of tower wall 202 is arranged in tower bottom 203.The top of tower top 201 is arranged in simultaneously in distribution device 1
It is connected to inside tower body 2.The middle and lower part of tower wall 202 is arranged in edge air supply device 3.Tower bottom 203 is equipped with discharge gate 204.It is mobile
The lower section of discharge gate 204 is arranged in board-like discharge device 4.Tower top 201 or 202 top of tower wall are equipped with hot-blast outlet 5.
In the present invention, vertical cooling machine A0 further includes center air supply device 6.Center air supply device 6 include blast cap M,
More center air feed branch pipes 601, annular or " C " shape center air feed air duct 602 and the center being connect with center air feed air duct 602
Air feed air hose 603.Its Apoplexy cap M is arranged in 2 inside of tower body and is located on the central axes of tower body 2.Center air feed air duct 602 is arranged
In the outside of tower body 2.One end of each center air feed branch pipe 601 is connected to center air feed air duct 602 and the other end and blast cap M
Bottom or lower part connection.
In the present invention, the edge air supply device 3 includes edge air feed air duct 301 and connects with edge air feed air duct 301
The edge air feed air hose 302 connect.Wherein edge air feed air duct 301 around tower wall 202 and be connected inside tower body 2.
Preferably, vertical cooling machine A0 further includes discharge chute 7, and the setting of discharge chute 7 is in the board-like discharge dress of movement
Set 4 lower section.Preferably, the top of discharge chute 7 is connect with the bottom of tower bottom 203, and mobile board-like discharge device 4 is located at row
Expect in chute 7 and the space that tower bottom 203 forms.The bottom of discharge chute 7 is equipped with discharge port 701.
In the present invention, the board-like discharge device 4 of the movement includes driving device 401, movable plate 402, bracket 403, pushes away
Pull rod 404.Bracket 403 is arranged in the lower section of discharge gate 204 and is located in discharge chute 6.Movable plate 402 is arranged in bracket
On 403.The outside of discharge chute 6 is arranged in driving device 401.404 one end of push-pull rod connects driving device 401, push-pull rod 404
The other end pass through discharge chute 6 connect with movable plate 402.Preferably, mobile board-like discharge device further includes baffle 405.
Baffle 405 is arranged in the top of movable plate 402 and is fixedly connected with bracket 403.
Preferably, the driving device 401 of the board-like discharge device 4 of the movement is hydraulic cylinder, electric pushrod, electro-hydraulic pushes away
One of bar, electric cylinder, linear motor or slider-crank mechanism.
Preferably, vertical cooling machine A0, preferably along circumferencial direction, is equipped with multiple temperature elements in tower wall 202
8.Preferably, temperature element 8 is located at the top of edge air supply device 3 and protrudes into the inside of tower body 2.Preferably, thermometric
Element 8 is thermocouple temperature sensor.
Preferably, the tower bottom 203 of vertical cooling machine A0 is equipped with multiple discharge gates 204, preferably 4-30 discharge gate
204, further preferably 4-24 discharge gate 204, more preferably 8-12 discharge gate 204.Preferably, multiple discharge gates
204 are evenly provided on the circumferencial direction of tower bottom 203.Each discharge gate 204 is respectively arranged below with the board-like row of movement
Expect device 4.
In the present invention, the blast cap M includes support frame M01, hood top cover M02, multiple taper cover board M03 and blast cap wind
Pipe M04.Plurality of taper cover board M03 is successively set on support frame M01.Hood top cover M02 is arranged in top conical lid
The top of plate M03.Air hose M04 is arranged in the lower section of support frame M01 and connect with support frame M01.Preferably, the blast cap
Top cover M02 is pyramidal structure.The cone angle of hood top cover M02 is greater than the cone angle of taper cover board M03.
Preferably, airflow channel is formed between the neighbouring taper cover board M03.
Preferably, the quantity of center air feed branch pipe 601 is 1-12 root, preferably 2-10 root, more preferably 4-8 root.
Preferably, the middle and lower part in tower body 2 is arranged in the blast cap M of the center air supply device 6.Center air feed air duct
602 are arranged in the outside of tower body 2.One end of each center air feed branch pipe 601 is connected to center air feed air duct 602 and the other end
It is connected to across tower wall 202 with the bottom of blast cap M or lower part.
Preferably, the blast cap M of the center air supply device 6 is located at the bottom centre position of tower body 2 and extends upwardly into tower
2 inner space of body.Center air feed air duct 602 is located at the outside of discharge chute 7.One end of each center air feed branch pipe 601 with
The connection of center air feed air duct 602 and the other end pass through discharge chute 7 and are connected to the bottom of blast cap M or lower part.
In the present invention, vertical cooling machine A0 further includes control system K.The mobile board-like discharge dress of control system K connection
4 and temperature element 8 are set, and control system K separately controls mobile board-like discharge device below each discharge gate 204
4 driving device 401.
Second of embodiment according to the present invention provides a kind of cooling means of sinter:
A kind of cooling means of sinter uses a kind of above-mentioned vertical cooling machine with the board-like discharge device of movement
Method, method includes the following steps:
1) heat sinter is entered in tower body 2 by distribution device 1, sinter continuous flow from top to bottom under the effect of gravity
It is dynamic, it is cooled down into vertical cooling machine A0；
2) cooling wind enters in tower body 2 from the edge air supply device 3 and center air supply device 6 of vertical cooling machine A0, cooling
Wind passes through the sinter bed of material being deposited in tower body 2 from bottom to top, and carries out heat exchange with sinter, the cooling wind after heat exchange
Temperature gradually rises, and sinter charge level is discharged in vertical cooling machine A0 tower, forms high-temperature hot-air, high-temperature hot-air is through hot-blast outlet
5 discharges；Preferably, high-temperature hot-air is transported to afterheat utilizing system；
3) sinter is discharged to mobile board-like discharge from one or more discharge gates 204 after vertical cooling machine A0 is cooling
On device 4, the sinter on mobile board-like discharge device 4 falls into discharge chute 7, is discharged from the discharge port 701 of discharge chute 7.
In the above-mentioned methods, step 3) specifically: sinter is after vertical cooling machine A0 is cooling, and control system K is according to tower
Each temperature element 8 on wall 202 monitors the temperature of sinter at each 204 top position of discharge gate；
If reaching emission request, control system K controls the drive of mobile board-like discharge device 4 below corresponding discharge gate 204
Dynamic device 401, driving device 401 drives corresponding movable plate 402 mobile, so that the sintering at 204 position of discharge gate be discharged
Mine；Sinter falls into discharge chute 7 by mobile board-like discharge device 4, is discharged from the discharge port 701 of discharge chute 7；Preferably
It is that when discharge, control system K detects the temperature of sinter at 204 top position of discharge gate by temperature element 8 simultaneously, such as
Fruit temperature is higher than emission request, and control system K controls the movement that driving device 401 stops movable plate 402；
If not reaching emission request, without discharge at 204 position of discharge gate.
Embodiment 1
As shown in Figure 1, a kind of vertical cooling machine with the board-like discharge device of movement, vertical cooling machine A0 includes cloth
Device 1, tower body 2, edge air supply device 3 and mobile board-like discharge device 4.Tower body 2 includes tower top 201, tower wall 202 and tower bottom
203.The top of tower wall 202 is arranged in tower top 201.The bottom of tower wall 202 is arranged in tower bottom 203.Distribution device 1 is arranged in tower top
201 top and be connected to inside tower body 2.The middle and lower part of tower wall 202 is arranged in edge air supply device 3.Tower bottom 203 is equipped with discharge
Mouth 204.The lower section of discharge gate 204 is arranged in mobile board-like discharge device 4.202 top of tower wall is equipped with hot-blast outlet 5.
As shown in figure 3, the edge air supply device 3 includes edge air feed air duct 301 and connect with edge air feed air duct 301
Edge air feed air hose 302.Wherein edge air feed air duct 301 around tower wall 202 and be connected inside tower body 2.
As shown in figure 4, vertical cooling machine A0 further includes center air supply device 6.Center air supply device 6 includes blast cap M, more
Root center air feed branch pipe 601, the center air feed air duct 602 of " C " shape and the center air feed air hose that is connect with center air feed air duct 602
603.Its Apoplexy cap M is arranged in the middle and lower part in tower body 2 and is located on the central axes of tower body 2.The setting of center air feed air duct 602 exists
The outside of tower body 2.One end of each center air feed branch pipe 601 is connected to center air feed air duct 602 and the other end passes through tower wall
202 are connected to the lower part of blast cap M.The quantity of center air feed branch pipe 601 is 6.
Vertical cooling machine A0 further includes discharge chute 7, and the lower section of the board-like discharge device 4 of movement is arranged in discharge chute 7.
The top of discharge chute 7 is connect with the bottom of tower bottom 203, and mobile board-like discharge device 4 is located at discharge chute 7 and 203 groups of tower bottom
At space in.The bottom of discharge chute 7 is equipped with discharge port 701.
As it can be seen in figures 5 and 6, the board-like discharge device 4 of movement include driving device 401, movable plate 402, bracket 403,
Push-pull rod 404.Bracket 403 is arranged in the lower section of discharge gate 204 and is located in discharge chute 6.Movable plate 402 is arranged in bracket
On 403.The outside of discharge chute 6 is arranged in driving device 401.404 one end of push-pull rod connects driving device 401, push-pull rod 404
The other end pass through discharge chute 6 connect with movable plate 402.Mobile board-like discharge device further includes baffle 405.Baffle 405 is set
It sets the top in movable plate 402 and is fixedly connected with bracket 403.The driving device 401 of mobile board-like discharge device 4 is hydraulic
Cylinder.
The tower bottom 203 of vertical cooling machine A0 is equipped with 8 discharge gates 204.8 discharge gates 204 are evenly provided on tower bottom
203 circumferencial direction.Each discharge gate 204 is respectively arranged below with the board-like discharge device 4 of movement.
As shown in figure 9, the blast cap M includes support frame M01, hood top cover M02, multiple taper cover board M03 and blast cap wind
Pipe M04.Plurality of taper cover board M03 is successively set on support frame M01.Hood top cover M02 is arranged in top conical lid
The top of plate M03.Air hose M04 is arranged in the lower section of support frame M01 and connect with support frame M01.The hood top cover M02 is
Pyramidal structure.The cone angle of hood top cover M02 is greater than the cone angle of taper cover board M03.Between the neighbouring taper cover board M03
Form airflow channel.
Embodiment 2
As shown in Fig. 2, repeating embodiment 1, only the blast cap M of center air supply device 6 is located at the bottom centre position of tower body 2
And extend upwardly into 2 inner space of tower body.Center air feed air duct 602 is located at the outside of discharge chute 7.Each center air feed branch pipe
601 one end is connected to center air feed air duct 602 and the other end passes through discharge chute 7 and is connected to the lower part of blast cap M.
Embodiment 3
Embodiment 1 is repeated, only vertical cooling machine A0 is in tower wall 202, circumferentially, is equipped with multiple thermometric members
Part 8.Temperature element 8 is located at the top of edge air supply device 3 and protrudes into the inside of tower body 2.Temperature element 8 is electric thermo-couple temperature
Sensor.
Embodiment 4
Embodiment 3 is repeated, only vertical cooling machine A0 further includes control system K.The mobile board-like row of control system K connection
Expect device 4 and temperature element 8, and control system K separately controls mobile board-like discharge below each discharge gate 204
The driving device 401 of device 4.
Use embodiment 1
A kind of cooling means of sinter, method includes the following steps:
1) heat sinter is entered in tower body 2 by distribution device 1, sinter continuous flow from top to bottom under the effect of gravity
It is dynamic, it is cooled down into vertical cooling machine A0；
2) cooling wind enters in tower body 2 from the edge air supply device 3 and center air supply device 6 of vertical cooling machine A0, cooling
Wind passes through the sinter bed of material being deposited in tower body 2 from bottom to top, and carries out heat exchange with sinter, the cooling wind after heat exchange
Temperature gradually rises, and sinter charge level is discharged in vertical cooling machine A0 tower, forms high-temperature hot-air, high-temperature hot-air is through hot-blast outlet
5 discharges；High-temperature hot-air is transported to afterheat generating system；
3) sinter is discharged on mobile board-like discharge device 4 after vertical cooling machine A0 is cooling from 8 discharge gates 204,
Sinter on mobile board-like discharge device 4 falls into discharge chute 7, is discharged from the discharge port 701 of discharge chute 7.
Use embodiment 2
A kind of cooling means of sinter, method includes the following steps:
1) heat sinter is entered in tower body 2 by distribution device 1, sinter continuous flow from top to bottom under the effect of gravity
It is dynamic, it is cooled down into vertical cooling machine A0；
2) cooling wind enters in tower body 2 from the edge air supply device 3 and center air supply device 6 of vertical cooling machine A0, cooling
Wind passes through the sinter bed of material being deposited in tower body 2 from bottom to top, and carries out heat exchange with sinter, the cooling wind after heat exchange
Temperature gradually rises, and sinter charge level is discharged in vertical cooling machine A0 tower, forms high-temperature hot-air, high-temperature hot-air is through hot-blast outlet
5 discharges；High-temperature hot-air is transported to afterheat generating system；
3) sinter is after vertical cooling machine A0 is cooling, and control system K is according to each temperature element 8 in tower wall 202
Monitor the temperature of sinter at each 204 top position of discharge gate；
If reaching emission request, control system K controls the drive of mobile board-like discharge device 4 below corresponding discharge gate 204
Dynamic device 401, driving device 401 drives corresponding movable plate 402 mobile, so that the sintering at 204 position of discharge gate be discharged
Mine；Sinter falls into discharge chute 7 by mobile board-like discharge device 4, is discharged from the discharge port 701 of discharge chute 7；Discharge
When, control system K detects the temperature of sinter at 204 top position of discharge gate by temperature element 8 simultaneously, if temperature is high
In emission request, control system K controls the movement that driving device 401 stops movable plate 402；
If not reaching emission request, without discharge at 204 position of discharge gate.
Claims (10)
1. a kind of vertical cooling machine with the board-like discharge device of movement, which includes distribution device (1), tower
Body (2), edge air supply device (3) and mobile board-like discharge device (4)；Tower body (2) includes tower top (201), tower wall (202) and tower
Bottom (203)；Tower top (201) is arranged at the top of tower wall (202)；Tower bottom (203) is arranged in the bottom of tower wall (202)；Cloth dress
(1) setting is set in the top of tower top (201) and is connected to inside tower body (2)；Edge air supply device (3) is arranged in tower wall (202)
Middle and lower part；Tower bottom (203) is equipped with discharge gate (204)；Lower section of mobile board-like discharge device (4) setting in discharge gate (204)；
Tower top (201) or tower wall (202) top are equipped with hot-blast outlet (5).
2. vertical cooling machine according to claim 1, it is characterised in that: the vertical cooling machine (A0) further includes center air feed
Device (6)；Center air supply device (6) includes that the center of blast cap (M), more center air feed branch pipes (601), annular or " C " shape supplies
Wind air duct (602) and the center air feed air hose (603) being connect with center air feed air duct (602)；Its Apoplexy cap (M) is arranged in tower body
(2) on internal and central axes positioned at tower body (2)；Center air feed air duct (602) is arranged in the outside of tower body (2)；In each
One end of heart air feed branch pipe (601) is connected to center air feed air duct (602) and the bottom or lower part of the other end and blast cap (M) connect
It is logical；And/or
The edge air supply device (3) includes that edge air feed air duct (301) and the edge connecting with edge air feed air duct (301) supply
Wind air hose (302), wherein edge air feed air duct (301) are connected around tower wall (202) and with tower body (2) inside.
3. vertical cooling machine according to claim 1 or 2, it is characterised in that: the vertical cooling machine (A0) further includes discharge
Chute (7), discharge chute (7) are arranged in the lower section of the board-like discharge device of movement (4)；Preferably, the top of discharge chute (7)
It is connect with the bottom of tower bottom (203), mobile board-like discharge device (4) is located at the space of discharge chute (7) and tower bottom (203) composition
It is interior；The bottom of discharge chute (7) is equipped with discharge port (701).
4. vertical cooling machine according to any one of claim 1-3, it is characterised in that: the board-like discharge device of movement
It (4) include driving device (401), movable plate (402), bracket (403), push-pull rod (404), bracket (403) is arranged in discharge gate
(204) lower section and it is located in discharge chute (6), movable plate (402) is arranged on bracket (403), and driving device (401) is set
The outside in discharge chute (6) is set, push-pull rod (404) one end connects driving device (401), and the other end of push-pull rod (404) is worn
Discharge chute (6) is crossed to connect with movable plate (402)；Preferably, mobile board-like discharge device further includes baffle (405), baffle
(405) top in movable plate (402) is set and is fixedly connected with bracket (403)；
Preferably, the driving device (401) of the board-like discharge device of the movement (4) is hydraulic cylinder, electric pushrod, electro-hydraulic pushes away
One of bar, electric cylinder, linear motor or slider-crank mechanism.
5. vertical cooling machine described in any one of -4 according to claim 1, it is characterised in that: the vertical cooling machine (A0) is in tower
Multiple temperature elements (8) are equipped with (preferably along circumferencial direction) on wall (202)；Preferably, temperature element (8) is located at edge confession
The top of wind apparatus (3) and the inside for protruding into tower body (2)；Preferably, temperature element (8) is thermocouple temperature sensor.
6. vertical cooling machine according to any one of claims 1-5, it is characterised in that: the tower of the vertical cooling machine (A0)
Bottom (203) is equipped with multiple discharge gates (204), preferably 4-30 discharge gate (204), further preferably 4-24 discharge gate
(204), more preferably 8-12 discharge gate (204)；Preferably, multiple discharge gates (204) are evenly provided on tower bottom (203)
Circumferencial direction；Each discharge gate (204) is respectively arranged below with the board-like discharge device (4) of a movement.
7. the vertical cooling machine according to any one of claim 2-6, it is characterised in that: the blast cap (M) includes support
Frame (M01), hood top cover (M02), multiple taper cover boards (M03) and blast cap air hose (M04), plurality of taper cover board (M03)
It is successively set on support frame (M01), hood top cover (M02) is arranged in the top of top taper cover board (M03), air hose
(M04) lower section in support frame (M01) is set and is connect with support frame (M01)；Preferably, the hood top cover (M02)
For pyramidal structure；The cone angle of hood top cover (M02) is greater than the cone angle of taper cover board (M03)；
Preferably, airflow channel is formed between the neighbouring taper cover board (M03)；And/or
The quantity of center air feed branch pipe (601) is 1-12 root, preferably 2-10 root, more preferably 4-8 root.
8. the vertical cooling machine according to any one of claim 3-7, it is characterised in that: the center air supply device (6)
Blast cap (M) middle and lower part in tower body (2) is set；Center air feed air duct (602) is arranged in the outside of tower body (2)；Each
One end of center air feed branch pipe (601) is connected to center air feed air duct (602) and the other end passes through tower wall (202) and blast cap (M)
Bottom or lower part connection；Or
The blast cap (M) of the center air supply device (6) is located at the bottom centre position of tower body (2) and extends upwardly into tower body (2)
Portion space；Center air feed air duct (602) is located at the outside of discharge chute (7)；One end of each center air feed branch pipe (601) with
Center air feed air duct (602) connection and the other end pass through discharge chute (7) and are connected to the bottom of blast cap (M) or lower part.
9. vertical cooling machine according to claim 1 to 8, it is characterised in that: the vertical cooling machine (A0) also wraps
It includes control system (K), the mobile board-like discharge device (4) of control system (K) connection and temperature element (8), and control system (K)
Separately control the driving device (401) of mobile board-like discharge device (4) below each discharge gate (204).
10. a kind of cooling means of sinter has mobile board-like row using described one kind of any of claims 1-9
Expect the method for the vertical cooling machine of device, method includes the following steps:
1) heat sinter is entered in tower body (2) by distribution device (1), sinter continuous flow from top to bottom under the effect of gravity
It is dynamic, it is cooled down into vertical cooling machine (A0)；
2) cooling wind enters in tower body (2) from the edge air supply device (3) and center air supply device (6) of vertical cooling machine (A0),
Cooling wind passes through the sinter bed of material being deposited in tower body (2) from bottom to top, and carries out heat exchange with sinter, after heat exchange
Cooling wind temperature gradually rises, and sinter charge level is discharged in vertical cooling machine (A0) tower, forms high-temperature hot-air, high-temperature hot-air warp
Hot-blast outlet (5) discharge；Preferably, high-temperature hot-air is transported to afterheat utilizing system；
3) sinter is discharged to mobile board-like discharge from one or more discharge gates (204) after vertical cooling machine (A0) is cooling
On device (4), the sinter on mobile board-like discharge device (4) falls into discharge chute (7), the discharge port from discharge chute (7)
(701) it is discharged；
Preferably, step 3) specifically: sinter is after vertical cooling machine (A0) is cooling, and control system (K) is according to tower wall
(202) each temperature element (8) on monitors the temperature of sinter at each discharge gate (204) top position；
If reaching emission request, control system (K) controls mobile board-like discharge device (4) below corresponding discharge gate (204)
Driving device (401), driving device (401) drives corresponding movable plate (402) mobile, so that discharge gate (204) position be discharged
Set the sinter at place；Sinter falls into discharge chute (7) by mobile board-like discharge device (4), the discharging from discharge chute (7)
Mouth (701) discharge；Preferably, when discharge, control system (K) is detected on the discharge gate (204) simultaneously by temperature element (8)
The temperature of place's sinter is set in orientation, if temperature is higher than emission request, control system (K) controls driving device (401) and stops moving
The movement of movable plate (402)；
If not reaching emission request, without discharge at discharge gate (204) position.
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|---|---|---|---|
| CN201810001197.9A CN109988913B (en) | 2018-01-02 | 2018-01-02 | Vertical cooler with movable plate type discharging device and cooling method |
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|---|---|---|---|
| CN201810001197.9A CN109988913B (en) | 2018-01-02 | 2018-01-02 | Vertical cooler with movable plate type discharging device and cooling method |
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| CN109988913B CN109988913B (en) | 2023-12-29 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109990605A (en) * | 2018-01-02 | 2019-07-09 | 中冶长天国际工程有限责任公司 | A kind of vertical cooling machine and cooling means with fairing |
| CN110607406A (en) * | 2019-09-26 | 2019-12-24 | 中冶节能环保有限责任公司 | High-temperature massive steel slag heat-taking device and waste heat recovery method |
| CN114705053A (en) * | 2022-02-24 | 2022-07-05 | 中信重工机械股份有限公司 | Discharging and cooling device for shaking plate of vertical cooling furnace for sintered ore |
| CN109990605B (en) * | 2018-01-02 | 2024-06-11 | 中冶长天国际工程有限责任公司 | Vertical cooler with rectifying device and cooling method |
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| CN109990605B (en) * | 2018-01-02 | 2024-06-11 | 中冶长天国际工程有限责任公司 | Vertical cooler with rectifying device and cooling method |
| CN110607406A (en) * | 2019-09-26 | 2019-12-24 | 中冶节能环保有限责任公司 | High-temperature massive steel slag heat-taking device and waste heat recovery method |
| CN114705053A (en) * | 2022-02-24 | 2022-07-05 | 中信重工机械股份有限公司 | Discharging and cooling device for shaking plate of vertical cooling furnace for sintered ore |
| CN114705053B (en) * | 2022-02-24 | 2022-11-22 | 中信重工机械股份有限公司 | Discharging and cooling device for shaking plate of vertical cooling furnace for sintered ore |
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