CN104789761B - A kind of reduced iron efficiently cooling and waste-heat recovery device - Google Patents
A kind of reduced iron efficiently cooling and waste-heat recovery device Download PDFInfo
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Abstract
A kind of reduced iron efficiently cooling and waste-heat recovery device, is mainly used in metallurgical mine industry, reduced iron pelletizing, agglomerates of sintered pellets being cooled down and waste heat recovery.Including feeding chute（1）Revolution with horizontally set cools down cylinder（3）, revolution cooling cylinder（3）Including cooling cylinder（301）, in cooling cylinder（301）Inwall be provided with circulating cooling heat exchange mechanisms, circulating cooling heat exchange mechanisms are connected with water main（309）And return main（310）, in cooling cylinder（301）Inner side be additionally provided with vaporizer（4）.Circulating cooling heat exchange mechanisms and cooling cylinder（301）Interior high-temperature material heat exchange, cools down material, simultaneously to cooling cylinder（301）Inwall cooled down, can effectively reduce the temperature of cylinder, using vaporizer（4）Absorb the radiant heat of material, improve cooling effect, and vaporizer（4）Can be combined generation steam with drum, realizes the efficient utilization of waste heat.
Description
Technical field
A kind of reduced iron efficiently cooling and waste-heat recovery device, be mainly used in metallurgical mine industry to reduced iron pelletizing,
Agglomerates of sintered pellets is cooled down and waste heat recovery.
Background technology
Cooling is one of operation of calcining reduction iron process.The temperature through rotary hearth furnace or rotary kiln outlet for the DRI pelletizing
Up to 1100 DEG C of degree, most of iron company is cooled down to high temperature pelletizing using rotation drum type cooling machine：High temperature pelletizing is through slipping
Groove enters the cooling cylinder with inclination angle, and cooling cylinder rotates, and material moves to discharge end by feed end；Directly sprayed using cooling water
Cooling effect is reached outside cylinder.This type of cooling comes with some shortcomings：（1）Heat transfer type is with the warm between material and cylinder
Based on thermal convection current between conduction and cooling water and cylinder, complex heat transfer coefficient is than relatively low；（2）In revolution, material holds cylinder
Easily cylinder body bottom slides, and the transmission of heat by contact Area comparison between material and cylinder is few；（3）The heat of material needs to pass through cylinder
To cooling water, because the wall thickness of cylinder is larger, thus barrel temperature is higher, it is serious to deform；（4）The sensible heat of material does not reclaim.
Because cooling effectiveness is low, the length of cylinder is very big, commonly reaches 30 ~ 40m, and equipment investment is higher, and floor space is very big；Shower water
Amount is also very big, reaches 400m3/ more than h, consumes substantial amounts of water.CN101787435A discloses " reduced iron efficient spray revolution
Cartridge type cooler ", its cylinder is formed by cooling down cylinder, front end cylinder and tail end cylinder；Front end cylinder and tail end cylinder are bilayer
Cylinder, adopts spray cooling in this double-layer barrel；The drum surface of whole cooling unit is atomized cooling and covers.Due to whole
Cylinder is atomized water droplet parcel, is effectively protected cylinder, reduces deformation, also improves operating rate and the reliability of equipment.But
It is that this technology is not improved to the material movement of inner barrel and heat transfer situation, the sensible heat of material does not also reclaim.
Content of the invention
The technical problem to be solved in the present invention is：Overcome the deficiencies in the prior art, provide that a kind of heat transfer intensity is big, cooling effect
Reduced iron that is really good, being capable of recovered material sensible heat efficiently cooling and waste-heat recovery device.
The technical solution adopted for the present invention to solve the technical problems is：This reduced iron efficiently cooling and waste heat recovery dress
Put, the revolution including feeding chute and horizontally set cools down cylinder, and the feed end of revolution cooling cylinder passes through entrance lock
Sealing, feeding chute passes through entrance lock to enter in revolution cooling cylinder body, and the discharge end sealing of revolution cooling cylinder is fixed
Discharging bin, entrance lock and discharging bin is had to be fixedly installed, revolution cooling cylinder is connected with the cylinder rotation driving its rotation
Drive mechanism, discharging bin bottom be provided with feed opening it is characterised in that：Described revolution cooling cylinder includes cooling down cylinder, in cooling
The inwall of cylinder is provided with circulating cooling heat exchange mechanisms, and circulating cooling heat exchange mechanisms are connected with water main and return main, cold
But the inner side of cylinder is additionally provided with vaporizer.High-temperature material heat exchange in circulating cooling heat exchange mechanisms and cooling cylinder body, cools down material,
The side wall of cooling cylinder is cooled down simultaneously, can effectively reduce the temperature of cylinder, reduce deformation, in the inner side of cooling cylinder
It is provided with vaporizer, absorb the radiant heat of material using vaporizer, improve cooling effect, and vaporizer can be tied with drum phase
Close and produce steam, realize the efficient utilization of waste heat.
Preferably, described circulating cooling heat exchange mechanisms form in the inner side of cooling cylinder and promote material with cooling barrel body rotation
Concaveconvex structure.Material is made to turn to just to fall after certain altitude with cooling cylinder, it is to avoid in cooling cylinder rotation process
Middle material is cooling down cylinder basal sliding, thus increase effectively the contact area between material and circulating cooling heat exchange mechanisms,
Improve heat exchange efficiency.Existing cooling cylinder to promote material to advance in inner side setting helical fin, but helical fin is
Promote material axial movement, material remains slip in the smooth inwall of cooling cylinder, and material remains and concentrates on cooling cylinder
The bottom of body is it is impossible to rotate with cooling cylinder, described concaveconvex structure solves this problem well, but also enhances thing
The blending of material..
Preferably, described circulating cooling heat exchange mechanisms include the first cooling pipe and the second cooling pipe, and wherein first is cold
But pipeline is fixedly connected with cooling cylinder inboard wall, is provided with changement in the feed end of cooling cylinder, in the discharging of cooling cylinder
End is provided with hydroseparator structure and water collection agencies, and the two ends of the first cooling pipe are respectively communicated with hydroseparator structure and changement, hydroseparator
Structure connects water main, and the two ends of the second cooling pipe are respectively communicated with changement and water collection agencies, and water collection agencies are connected with back
Supply mains, the cooling medium in water main is sent into the first cooling pipe by hydroseparator structure, and the cooling in the first cooling pipe is situated between
Matter enters the second cooling pipe by changement, and the cooling medium in the second cooling pipe sequentially passes through water collection agencies and backwater
House steward discharges.
First cooling pipe and/or the second cooling pipe form in cooling cylinder inboard wall and promote material with cooling cylinder
The concaveconvex structure rotating.Material in cooling cylinder rotation process is avoided in cooling cylinder basal sliding, to make material with cooling cylinder
Body just falls after turning to certain altitude together, thus increase effectively the contact surface between material and circulating cooling heat exchange mechanisms
Long-pending, improve heat exchange efficiency.
Preferably, described first cooling pipe is provided in cooling down the multiple cooling half pipes on cylinder inboard wall, cooling half pipe
Form coolant flow channel with cooling cylinder inboard wall consolidation.With while high-temperature material heat exchange, cooling half pipe carries out cold to cooling cylinder
But, prevent from cooling down barrel distortion, improve service life.
Preferably, the second cooling pipe is provided in the multiple cold of side in the circumgyration body that multiple cooling half pipes are surrounded
But pipe.Round cooling can be deep into material bed inside, decrease the heat transfer distances of material, enhance heat transfer effect, and
Round cooling is distributed in different radial heights from cooling half pipe, is formed further and promotes material to rotate with cooling cylinder
Concaveconvex structure, significantly more efficient promotion material with cooling cylinder rotate, material with cooling barrel body rotation rise to necessarily
Height is shed and is fallen, and produces certain heat convection, also provide enhanced the blending of material simultaneously between material and round cooling.
Preferably, described water main and return main are located on the axis of cooling cylinder discharge end, and return main position
In the inside of water main, water main is communicated with hydroseparator structure by radial direction water inlet pipe, and return main passes through radial direction return pipe
Communicate with water collection agencies, water main, return main are connected through discharging bin end with swivel joint.
Preferably, described hydroseparator structure is point water semicanal that annular is arranged on cooling cylinder discharge end inwall, point water half
Pipe forms water annulus with cooling cylinder inboard wall consolidation；
Changement is the changed course semicanal that annular is arranged on the inwall of cooling cylinder feed end, and alter course semicanal and cooling cylinder
Internal wall consolidation forms water annulus；
Described water collection agencies are the collection pipe that annular is arranged on cooling cylinder discharge end.
Preferably, cylinder rotary drive mechanism includes support roller support assembly and drive assembly, in the outside wall surface of cooling cylinder
It is provided with two annular wheel belt and an annular cingulum, two described support roller support assemblies support cooling cylinder by wheel belt,
The outfan of drive assembly engages cingulum by gear；The center cross-sectional of one wheel belt and the center cross-sectional weight of changed course semicanal
Close, the center cross-sectional of another wheel belt is overlapped with the center cross-sectional of point water semicanal.In changed course semicanal and point water semicanal can
To cool down wheel belt, it is to avoid the tugboat overtemperature of tugboat support assembly.Therefore the present invention efficiently solves the height of cooling cylinder and tugboat
Warm deformation and the problem damaged, improve equipment functional reliability and service life.
Preferably, described vaporizer is arranged on the feed end in cooling cylinder body, and vaporizer is by a lower header, a upper collection
Case, multiple evaporation tube constitute, the upper collecting chamber positioned at vaporizer top and be located at vaporizer bottom lower header front end stretch out into
Material sealing device is simultaneously fixedly connected with entrance lock, and upper collecting chamber and lower header end header shrouding are blocked, many evaporations
Pipe is arranged between upper collecting chamber and lower header, and the two ends of evaporation tube are consolidated with upper collecting chamber and lower header respectively and communicate.Reduced iron
Pelletizing up to 1100 DEG C of temperature when entering cooling cylinder, its radiant heat is very big, vaporizer is arranged on the charging of cooling cylinder
End being capable of efficient recovery heat.
Preferably, the axis of described lower header is inclined upwardly to cooling down cylinder by entrance lock, the axis of upper collecting chamber
Downward-sloping to cooling down cylinder by entrance lock.Water enters evaporation tube by lower header, and heat absorption in evaporation tube becomes soda pop
Two-phase mixture, subsequently into upper collecting chamber, lower header and upper collecting chamber are all inclined upwardly along media flow direction, are conducive to medium flow field
Dynamic, it is to avoid to produce vapour lock in vaporizer.
Preferably, described entrance lock is that front end is closed, end is deep into the head within cooling cylinder feed end
Cylinder, is provided with airtight and watertight padding in head cylinder with the annulus that formed of cooling cylinder, with the first gland by airtight and watertight padding
Compression；Feeding chute passes through head cylinder outside the front end of head cylinder and is deep into the first cooling pipe and the second cooling tube
In the space that road is surrounded；
Head cylinder includes head outer cylinder body, head inner barrel, outer end plate, inner end plate and ring sealing plate, head inner barrel
Positioned at the inside of head outer cylinder body, head outer cylinder body front end is provided with outer end plate and consolidates sealing, and head inner barrel front end is provided with interior
End plate simultaneously consolidates sealing, and the annulus end between head outer cylinder body and head inner barrel is provided with ring sealing plate, outside head
Cylinder, head inner barrel, outer end plate, inner end plate surround a water-cooling jacket together with ring sealing plate, in described water-cooling jacket
Bottom is provided with water inlet pipe, and top is provided with outlet pipe.
Preferably, it is fixedly connected with discharge valve on the downside of feed opening.Discharge valve can make to be formed necessarily in feed opening
Material envelope, thus whole equipment good airproof performance, efficiently solve the problems, such as the high-temperature oxydation of reduced iron pelletizing.
Compared with prior art, efficiently cooling and waste-heat recovery device technique scheme have reduced iron of the present invention
Beneficial effect is：
1st, the high-temperature material heat exchange in circulating cooling heat exchange mechanisms and cooling cylinder body, cools down material, simultaneously to cooling cylinder
Side wall cooled down, can effectively reduce the temperature of cylinder, reduce deformation, absorb the radiant heat of material using vaporizer, carry
High cooling effect, the generation steam and vaporizer can be combined with drum, realize the efficient utilization of waste heat.
2nd, heat exchange area be increased by the first cooling pipe and the second cooling pipe, and will be supplied water using hydroseparator structure
Cooling medium in house steward uniformly sends into the first cooling pipe, and the cooling medium in changement acceptance the first cooling pipe is simultaneously defeated
Deliver in the second cooling pipe, structure is simple, and hydroseparator structure and water collection agencies are arranged on the cooling same end of cylinder, thus just
In water main and return main are arranged on the cooling same end of cylinder, structure is simple, easy for installation, it is to avoid water main, return
Supply mains is interfered with the installation generation of feeding chute, vaporizer.
3rd, round cooling can be deep into material bed inside, decrease the heat transfer distances of material, enhance heat transfer effect, and
And round cooling is distributed in different radial heights from cooling half pipe, is formed further and promote material to turn with cooling cylinder
Dynamic concaveconvex structure, significantly more efficient promotion material rotates with cooling cylinder, and material rises to one with cooling barrel body rotation
Fixed height is shed and is fallen, and produces certain heat convection, also provide enhanced the blending of material simultaneously between material and round cooling.
4th, wheel belt can be cooled down in changed course semicanal and point water semicanal, it is to avoid the tugboat overtemperature of tugboat support assembly.Therefore
The present invention efficiently solves the problems, such as the high temperature deformation of cooling cylinder and tugboat and damages, and improves equipment functional reliability and makes
Use the life-span.
5th, water enters evaporation tube by lower header, and heat absorption in evaporation tube becomes steam-water twin phases mixture, subsequently into upper collection
Case, lower header and upper collecting chamber are all inclined upwardly along media flow direction, are conducive to media flow, it is to avoid produce gas in vaporizer
Resistance.
6th, using cooling water, head cylinder is cooled down, reduce head cylinder deformation, improve sealing reliability and
The service life of head cylinder.
Brief description
Fig. 1 is the structural representation of the efficient cooling of this reduced iron and waste-heat recovery device embodiment 1.
Fig. 2 is the sectional view at A-A in Fig. 1.
Fig. 3 is partial enlarged drawing at I in Fig. 1.
Fig. 4 is partial enlarged drawing at J in Fig. 1.
Fig. 5 is partial enlarged drawing at K in Fig. 1.
Fig. 6 is the structural representation of the efficient cooling of this reduced iron and waste-heat recovery device embodiment 2.
Wherein：1st, feeding chute 2, head cylinder 201, head inner barrel 202, head outer cylinder body 203, water inlet
Pipe 204, ring sealing plate 205, inner end plate 206, outer end plate 207, outlet pipe 3, revolution cooling cylinder 301, cooling
Cylinder 302, changed course semicanal 303, cooling half pipe 304, round cooling 305, radial direction return pipe 306, collection pipe
307th, radial direction water inlet pipe 308, point water semicanal 309, water main 310, return main 311, water main's shrouding
312nd, return main's shrouding 313, wheel belt 314, cingulum 315, shell flange 316, cooling backwater semicanal 317, remittance
Water semicanal 4, vaporizer 401, lower header 402, upper collecting chamber 403, evaporation tube 404, header shrouding 5, discharging bin
501st, discharging bin cylinder 502, discharging bin end plate 503, feed opening 504, discharging bin flange 505, baffle plate 6, rotation
Joint 7, discharge valve 8, tugboat support assembly 9, drive assembly 10, the first bolt 11, the first gland 12, first
Nut 13, airtight and watertight padding 14, the second bolt 15, the second gland 16, the second nut 17, the 3rd bolt 18,
Three glands.
Specific embodiment
Fig. 1 ~ 5 are the most preferred embodiments of the efficient cooling of this reduced iron and waste-heat recovery device, and 1 ~ 6 to this below in conjunction with the accompanying drawings
Invention is described further.
With reference to Fig. 1～2, this reduced iron efficiently cooling and waste-heat recovery device, include feeding chute 1 and horizontally set time
Turn cooling cylinder 3, the feed end of revolution cooling cylinder 3 is sealed by entrance lock, and feeding chute 1 passes through feeding seal to fill
Put in entrance revolution cooling cylinder 3, the discharge end sealing of revolution cooling cylinder 3 is fixed with discharging bin 5, entrance lock and going out
Feed bin 5 is fixedly installed, and revolution cooling cylinder 3 is connected with the cylinder rotary drive mechanism driving its rotation, and discharging bin 5 bottom is provided with
Feed opening 503, described revolution cooling cylinder 3 includes cooling down cylinder 301, is provided with circulating cooling in the inwall of cooling cylinder 301 and changes
Heat engine structure, circulating cooling heat exchange mechanisms are connected with water main 309 and return main 310, also set in the inner side of cooling cylinder 301
There is vaporizer 4.Circulating cooling heat exchange mechanisms and the high-temperature material heat exchange cooling down in cylinder 301, cool down material, simultaneously to cooling cylinder
The side wall of body 301 is cooled down, and can effectively reduce the temperature of cylinder, reduces deformation, absorbs the radiation of material using vaporizer 4
Heat, improves cooling effect, the generation steam and vaporizer 4 can be combined with drum, realizes the efficient utilization of waste heat.
Embodiment 1
Vaporizer 4 in the present embodiment is arranged on the feed end in cooling cylinder 301, and reduced iron pelletizing is entering cooling cylinder
Up to 1100 DEG C of temperature during body 301, its radiant heat is very big, can be effective by the feed end that vaporizer 4 is arranged on cooling cylinder 301
Reclaim heat.Vaporizer 4 is made up of a lower header 401, upper collecting chamber 402, a multiple evaporation tube 403, on vaporizer 4
The front end of the upper collecting chamber 402 in portion and the lower header 401 being located at vaporizer 4 bottom is stretched out entrance lock and is filled with feeding seal
Put and be fixedly connected, upper collecting chamber 402 and lower header 401 end header shrouding 404 are blocked, and many evaporation tubes 403 are arranged on collection
Between case 402 and lower header 401, the two ends of evaporation tube 403 consolidate and communicate with upper collecting chamber 402 and lower header 401 respectively.This reality
The axis applying the evaporation tube 403 in example is semi-circular shape, half elliptic or linear type.Water enters evaporation tube by lower header 401
403, heat absorption in evaporation tube 403 becomes steam-water twin phases mixture, and steam-water twin phases mixture returns to drum through upper collecting chamber 402,
Carry out steam-water separation in drum, supply outside the steam of generation.Preferably, the axis of lower header 401 is extremely cold by entrance lock
But cylinder 301 is inclined upwardly, and the axis of upper collecting chamber 402 is downward-sloping by entrance lock extremely cooling cylinder 301, lower header
401 and upper collecting chamber 402 be all inclined upwardly along media flow direction, be conducive to media flow, it is to avoid in vaporizer 4 produce gas
Resistance.
Specifically, in the present embodiment, circulating cooling heat exchange mechanisms include the first cooling pipe and the second cooling pipe, wherein
First cooling pipe is fixedly connected with cooling cylinder 301 inwall, is provided with changement in the feed end of cooling cylinder 301, cold
But the discharge end of cylinder 301 is provided with hydroseparator structure and water collection agencies, the two ends of the first cooling pipe be respectively communicated with hydroseparator structure and
Changement, hydroseparator structure connects water main 309, and the two ends of the second cooling pipe are respectively communicated with changement and collection water dispenser
Structure, water collection agencies are connected with return main 310, and the cooling medium in water main 309 is sent into the first cooling tube by hydroseparator structure
Road, the cooling medium in the first cooling pipe enters the second cooling pipe, the cooling in the second cooling pipe by changement
Medium sequentially passes through water collection agencies and return main 310 discharges.Increased and change by the first cooling pipe and the second cooling pipe
Hot area, and the cooling medium in water main 309 is uniformly sent into the first cooling pipe, changement using hydroseparator structure
Accept the cooling medium in the first cooling pipe and be delivered in the second cooling pipe, structure is simple, and hydroseparator structure and collection
Water dispenser structure is arranged on cooling same one end of cylinder 301, consequently facilitating water main 309 and return main 310 are arranged on cooling cylinder
The same one end of body 301, structure is simple, easy for installation, it is to avoid water main 309, return main 310 and feeding chute 1, vaporizer 4
Installation produce interfere.
It is preferred that the first cooling pipe and/or the second cooling pipe cooling cylinder 301 inwall formed promote material with
The concaveconvex structure that cooling cylinder 301 rotates together, it is to avoid material is at cooling cylinder 301 bottom in cooling cylinder 301 rotation process
Sliding in portion, makes material turn to just to fall after certain altitude with cooling cylinder 301, thus increase effectively material and circulation
Contact area between cooling heat transferring mechanism, improves heat exchange efficiency.
Specifically, in the present embodiment, the first cooling pipe is provided in cooling down the multiple cooling half pipes on cylinder 301 inwall
303, cooling half pipe 303 forms coolant flow channel with cooling cylinder 301 inwall consolidation.Cooling half pipe 303 is set directly at cooling cylinder
On body 301 inwall, the water in cooling half pipe 303 has cooling effect to cooling cylinder 301 inwall, can effectively reduce cooling cylinder
The temperature of body 301, reduces deformation, and multiple cooling half pipe 303 forms in cooling cylinder 301 inwall and promotes material with cooling cylinder
The concaveconvex structure that body 301 rotates together, makes material rotate with cooling cylinder 301.Further, in the present embodiment
Two cooling pipes are provided in multiple round cooling 304 of side in the circumgyration body that multiple cooling half pipes 303 are surrounded, cooling
Pipe 304 can be deep into material bed inside, decrease the heat transfer distances of material, enhance heat transfer effect, and round cooling
304 are distributed in different radial heights from cooling half pipe 303, are formed further and promote material with 301 turns of cylinder of cooling
Dynamic concaveconvex structure, significantly more efficient promotion material rotates with cooling cylinder 301, and material rotates with cooling cylinder 301
It is raised to certain altitude and sheds and fall, produce certain heat convection between material and round cooling 304, also provide enhanced thing simultaneously
The blending of material.The sensible heat of cooling half pipe 303 and round cooling 304 absorption material can be used for preheating the feedwater of oxygen-eliminating device, realizes
The UTILIZATION OF VESIDUAL HEAT IN of high temperature reduction iron ball group.The axis of cooling half pipe 303 in the present embodiment is flat with the axis of cooling cylinder 301
OK, the diameter parallel of the axis of round cooling 304 and cooling half pipe 303.Certainly cooling half pipe 303 can also be spiral helicine,
Material is promoted to advance during rotation, round cooling 304 can also be spiral helicine.
In the present embodiment, water main 309 and return main 310 are located on the axis of cooling cylinder 301 discharge end, and return
Supply mains 310 is located at the inside of water main 309, and water main 309 is communicated with hydroseparator structure by radial direction water inlet pipe 307, returns
Supply mains 310 is communicated with water collection agencies by radial direction return pipe 305, and water main 309, return main 310 pass through discharging bin 5 end
End is connected with swivel joint 6.Water main 309 and return main 310 are mutually socketed and are easy to connect swivel joint 6, and structure
Simply, it is easy to by connecting hydroseparator structure and water collection agencies.
Hydroseparator structure in the present embodiment is point water semicanal 308 that annular is arranged on cooling cylinder 301 discharge end inwall,
Water semicanal 308 is divided to form water annulus with cooling cylinder 301 inwall consolidation；Changement is arranged on cooling cylinder 301 for annular
Changed course semicanal 302 on the inwall of feed end, changed course semicanal 302 forms water annulus with cooling cylinder 301 inwall consolidation；Catchment
Mechanism is the collection pipe 306 that annular is arranged on cooling cylinder 301 discharge end.Water semicanal 308 is divided to be situated between in conveying with changed course semicanal 302
While matter, cooling cylinder 301 is cooled down.
Cylinder rotary drive mechanism includes support roller support assembly 8 and drive assembly 9, and the outside wall surface of cooling cylinder 301 sets
There are two annular wheel belt 313 and an annular cingulum 314, two described support roller support assemblies 8 support cold by wheel belt 313
But cylinder 301, the outfan of drive assembly 9 engages cingulum 314 by gear；The center cross-sectional of one wheel belt 313 and changed course
The center cross-sectional of semicanal 302 overlaps, the center cross-sectional weight of the center cross-sectional of another wheel belt 313 and point water semicanal 308
Close.Water in changed course semicanal 302 and point water semicanal 308 can cool down wheel belt 313, it is to avoid the tugboat overtemperature of tugboat support assembly 8.
Therefore the present invention efficiently solves the problems, such as the high temperature deformation of cooling cylinder 301 and tugboat and damages, and improve equipment work can
By property and service life.
Entrance lock in the present embodiment is closed for front end, end is deep within cooling cylinder 301 feed end
Head cylinder 2, is provided with airtight and watertight padding 13 in the annulus that head cylinder 2 is formed with cooling cylinder 301, uses the first gland
Airtight and watertight padding 13 is compressed by 11；Feeding chute 1 passes through head cylinder 2 outside the front end of head cylinder 2 and to be deep into first cold
But in the space that pipeline and the second cooling pipe are surrounded；
Head cylinder 2 includes head outer cylinder body 202, head inner barrel 201, outer end plate 206, inner end plate 205 and annular envelope
Plate 204, head inner barrel 201 is located at the inside of head outer cylinder body 202, and head outer cylinder body 202 front end is provided with outer end plate 206 and consolidates
Knot sealing, head inner barrel 201 front end is provided with inner end plate 205 and consolidates sealing, in head outer cylinder body 202 and head inner barrel
Annulus end between 201 is provided with ring sealing plate 204, head outer cylinder body 202, head inner barrel 201, outer end plate 206, interior
End plate 205 surrounds a water-cooling jacket together with ring sealing plate 204, is provided with water inlet pipe 203 in described water-cooling jacket bottom, on
Portion is provided with outlet pipe 207.Using cooling water, head cylinder 2 is cooled down, reduce the deformation of head cylinder 2, improve sealing
Reliability and the service life of head cylinder 2.
With reference to Fig. 3, in the annulus that head outer cylinder body 202 is formed with cooling cylinder 301, it is provided with airtight and watertight padding 13,
The outside of airtight and watertight padding 13 is provided with the first gland 11, with the first bolt 10 and the first nut 12 by the first gland 11 be arranged on cold
But the shell flange 315 in cylinder 301 end outside wall surface is fastenedly connected, and airtight and watertight padding 13 is compressed.Adjust airtight and watertight padding 13
Compression degree, make can relatively rotate between cooling cylinder 301 and head cylinder 2, be capable of again seal.Feeding chute 1
Sequentially pass through outer end plate 206 and inner end plate 205 and be deep into the cold of changed course semicanal 302 rear portion outside the front end of head cylinder 2
But, in cylinder, feeding chute 1 is fixedly connected with outer end plate 206 and inner end plate 205.Material can be delivered to changed course by feeding chute 1
In the cooling cylinder 301 at semicanal 302 rear portion, make material and cooling half pipe 303 and round cooling 304 contact heat-exchanging.
With reference to Fig. 1,4, discharging bin 5 includes discharging bin cylinder 501, discharging bin end plate 502, hopper 503, discharging bin flange
504th, baffle plate 505.The front end outside wall surface of discharging bin cylinder 501 is provided with discharging bin flange 504, and inwall is provided with baffle plate 505, end
End is provided with discharging bin end plate 502 and closes discharging bin 5, and bottom is provided with feed opening 503.The front end sleeve of discharging bin cylinder 501 is cold
But the outside of cylinder 301 discharge end, and make baffle plate 505 near the end face of cooling cylinder 301.Referring to Fig. 4, in discharging bin cylinder
It is provided with airtight and watertight padding 13, the outside of airtight and watertight padding 13 is provided with the second gland in 501 annulus being formed with cooling cylinder 301
15, with the second bolt 14 and the second nut 16, second gland 15 and discharging bin flange 504 are fastenedly connected, and by airtight and watertight padding 13
Compression.Adjust the compression degree of airtight and watertight padding 13, make to realize rotary seal between cooling cylinder 301 and discharging bin cylinder 501.?
The center of discharging bin end plate 502 is provided with hole, and water main 309 is connected through this hole with swivel joint 6.
Preferably, being fixedly connected with discharge valve 7 on the downside of feed opening 503, discharge valve 7 can make in feed opening 503
Form certain material envelope, thus whole equipment good airproof performance, efficiently solve the problems, such as the high-temperature oxydation of reduced iron pelletizing.
Referring to Fig. 5, it is provided with airtight and watertight padding 13 in the space between water main 309 and discharging bin end plate 502, sealing is filled out
The outside of material 13 is provided with the 3rd gland 18, is fastenedly connected the 3rd gland 18 and discharging bin end plate 502 with the 3rd bolt 17, and will
Airtight and watertight padding 13 compresses.Adjust the compression degree of airtight and watertight padding 13, make to realize between water main 309 and discharging bin end plate 502
Rotary seal.In the present embodiment, the end of cooling cylinder 301 is provided with necking, to reduce the radial dimension of discharging bin 5.
Work process：During installation equipment, axis and the horizontal line of cooling cylinder 301 have certain inclination angle, from feed end to
Discharge end is downward-sloping, in order to material to discharging bin 5 one side shifting.Revolution cooling cylinder 3 under the driving of drive assembly 9
Rotate on two tugboat support assemblies 8, high-temperature material passes through feeding chute 1 and enters in cooling cylinder 301, and by charging end motion
To discharge end, enter in the feed opening 503 of discharging bin 5, eventually pass through discharge valve 7 and discharge.Material is steamed in motor process
Send out the cooling of the working medium in device 4, cooling half pipe 303 and round cooling 304 and lower the temperature.Water enters water main 309 from swivel joint 6
In circular passage and return main 310 between, then sequentially pass through radial direction water inlet pipe 307, point water semicanal 308 entrance cooling half pipe
303, the heat absorbing material in cooling half pipe 303 heats up, and then enters round cooling 304 through changed course semicanal 302, in cooling
In pipe 304, the heat of re-absorption material continues to heat up, and finally sequentially passes through collection pipe 306, radial direction return pipe 305, backwater total
Pipe 310 and swivel joint 6, discharge from swivel joint 6, preferably, can be used as the moisturizing of preheating oxygen-eliminating device.Water warp in drum
Cross lower header 401 and enter evaporation tube 403, heat absorption in evaporation tube 403 becomes steam-water twin phases mixture, steam-water twin phases mixture warp
Cross upper collecting chamber 402 and return to drum, carry out steam-water separation in drum, supply outside the steam of generation.
Embodiment 2
With reference to Fig. 6, one of difference of the present embodiment and embodiment 1 is circulating cooling heat exchange mechanisms.In the present embodiment
Circulating cooling heat exchange mechanisms include cooling half pipe 303 and cooling backwater semicanal 316, cooling half pipe 303 and cooling backwater semicanal 316
It is each attached to cool down the inwall of cylinder 301, the inwall of cooling cylinder 301 feed end is fixed with the changed course semicanal 302 of annular, cold
Point water semicanal 308 and charge for remittance semicanal 317, the two ends connection point of cooling half pipe 303 are but fixed with the inwall of cylinder 301 discharge end
Water semicanal 308 and changed course semicanal 302, the two ends connection changed course semicanal 302 of cooling backwater semicanal 316 and charge for remittance semicanal 317, point water
Semicanal 308 connects water main 309, and charge for remittance semicanal 317 connects return main 310.
Cooling half pipe 303 in the present embodiment and cooling backwater semicanal 316 can have multiple, multiple cooling half pipes respectively
303 and multiple cooling backwater semicanal 316 can be separately positioned on cooling cylinder 301 both sides, point water semicanal 308 and charge for remittance semicanal
317 both sides being correspondingly arranged at cooling cylinder 301；Multiple cooling half pipes 303 and multiple cooling backwater semicanal 316 can also be successively
It is arranged alternately.
The above, be only presently preferred embodiments of the present invention, is not the restriction that the present invention is made with other forms, appoints
What those skilled in the art possibly also with the disclosure above technology contents changed or be modified as equivalent variations etc.
Effect embodiment.But every without departing from technical solution of the present invention content, according to the present invention technical spirit to above example institute
Any simple modification, equivalent variations and the remodeling made, still falls within the protection domain of technical solution of the present invention.
Claims (8)
1. a kind of reduced iron efficiently cooling and waste-heat recovery device, including feeding chute（1）Revolution cooling cylinder with horizontally set
Body（3）, revolution cooling cylinder（3）Feed end sealed by entrance lock, feeding chute（1）Through entrance lock
Enter revolution cooling cylinder（3）Interior, revolution cooling cylinder（3）Discharge end sealing be fixed with discharging bin（5）, entrance lock
And discharging bin（5）It is fixedly installed, revolution cooling cylinder（3）It is connected with the cylinder rotary drive mechanism driving its rotation, discharging bin
（5）Bottom is provided with feed opening（503）It is characterised in that：Described revolution cooling cylinder（3）Including cooling cylinder（301）, in cooling
Cylinder（301）Inwall be provided with circulating cooling heat exchange mechanisms, circulating cooling heat exchange mechanisms are connected with water main（309）And backwater
House steward（310）, in cooling cylinder（301）Inner side be additionally provided with vaporizer（4）；
Described circulating cooling heat exchange mechanisms include the first cooling pipe and the second cooling pipe, the wherein first cooling pipe and cooling
Cylinder（301）Inwall is fixedly connected, in cooling cylinder（301）Feed end be provided with changement, cooling cylinder（301）Go out
Material end is provided with hydroseparator structure and water collection agencies, and the two ends of the first cooling pipe are respectively communicated with hydroseparator structure and changement, point water
Mechanism connects water main（309）, the two ends of the second cooling pipe are respectively communicated with changement and water collection agencies, water collection agencies company
It is connected to return main（310）, hydroseparator structure is by water main（309）Interior cooling medium sends into the first cooling pipe, and first is cold
But the cooling medium in pipeline enters the second cooling pipe, the warp successively of the cooling medium in the second cooling pipe by changement
Cross water collection agencies and return main（310）Discharge；
Described hydroseparator structure is arranged on cooling cylinder for annular（301）Point water semicanal on discharge end inwall（308）, point water semicanal
（308）With cooling cylinder（301）Inwall consolidation forms water annulus；
Changement is arranged on cooling cylinder for annular（301）Changed course semicanal on the inwall of feed end（302）, alter course semicanal
（302）With cooling cylinder（301）Inwall consolidation forms water annulus；
Described water collection agencies are arranged on cooling cylinder for annular（301）The collection pipe of discharge end（306）.
2. a kind of reduced iron according to claim 1 efficiently cooling and waste-heat recovery device it is characterised in that：Described first
Cooling pipe is provided in cooling down cylinder（301）Multiple cooling half pipes on inwall（303）, cooling half pipe（303）With cooling cylinder
Body（301）Inwall consolidation forms coolant flow channel.
3. a kind of reduced iron according to claim 1 efficiently cooling and waste-heat recovery device it is characterised in that：Second cooling
Pipeline is provided in multiple cooling half pipes（303）Multiple round cooling of side in the circumgyration body being surrounded（304）.
4. a kind of reduced iron according to claim 1 efficiently cooling and waste-heat recovery device it is characterised in that：Described water supply
House steward（309）And return main（310）It is located at cooling cylinder（301）On the axis of discharge end, and return main（310）It is located at and supply
Supply mains（309）Inside, water main（309）By radial direction water inlet pipe（307）Communicate with hydroseparator structure, return main
（310）By radial direction return pipe（305）Communicate with water collection agencies, water main（309）, return main（310）Through discharging bin
（5）End and swivel joint（6）Connect.
5. a kind of reduced iron according to claim 1 efficiently cooling and waste-heat recovery device it is characterised in that：Cylinder rotates
Drive mechanism includes support roller support assembly（8）And drive assembly（9）, cool down cylinder（301）Outside wall surface be provided with two annulus
Shape wheel belt（313）With an annular cingulum（314）, two described support roller support assemblies（8）By wheel belt（313）Support cooling
Cylinder（301）, drive assembly（9）Outfan cingulum is engaged by gear（314）；One wheel belt（313）Center cross-sectional
With changed course semicanal（302）Center cross-sectional overlap, another wheel belt（313）Center cross-sectional and a point water semicanal（308）'s
Center cross-sectional overlaps.
6. a kind of reduced iron according to claim 1 efficiently cooling and waste-heat recovery device it is characterised in that：Described evaporation
Device（4）It is arranged on cooling cylinder（301）Interior feed end, vaporizer（4）By a lower header（401）, a upper collecting chamber
（402）, multiple evaporation tubes（403）Constitute, positioned at vaporizer（4）The upper collecting chamber on top（402）With positioned at vaporizer（4）Bottom
Lower header（401）Front end stretch out entrance lock and be fixedly connected with entrance lock, upper collecting chamber（402）And lower header
（401）End header shrouding（404）Block, many evaporation tubes（403）It is arranged on upper collecting chamber（402）And lower header（401）It
Between, evaporation tube（403）Two ends respectively with upper collecting chamber（402）And lower header（401）Consolidate and communicate.
7. a kind of reduced iron according to claim 6 efficiently cooling and waste-heat recovery device it is characterised in that：Described next part
Case（401）Axis by entrance lock to cooling down cylinder（301）It is inclined upwardly, upper collecting chamber（402）Axis close by feeding
Seal apparatus are to cooling down cylinder（301）Downward-sloping.
8. a kind of reduced iron according to claim 1 or 6 or 7 efficiently cooling and waste-heat recovery device it is characterised in that：Institute
State entrance lock and be deep into cooling cylinder for front end closing, end（301）Head cylinder within feed end（2）, in head
Portion's cylinder（2）With cooling cylinder（301）It is provided with airtight and watertight padding in the annulus being formed（13）, use the first gland（11）Will be close
Packing material（13）Compression；Feeding chute（1）From head cylinder（2）Front end outside pass through head cylinder（2）And it is deep into first
In the space that cooling pipe and the second cooling pipe are surrounded；
Head cylinder（2）Including head outer cylinder body（202）, head inner barrel（201）, outer end plate（206）, inner end plate（205）With
Ring sealing plate（204）, head inner barrel（201）Positioned at head outer cylinder body（202）Inside, head outer cylinder body（202）Front end sets
There is outer end plate（206）And consolidate sealing, head inner barrel（201）Front end is provided with inner end plate（205）And consolidate sealing, outside head
Cylinder（202）With head inner barrel（201）Between annulus end be provided with ring sealing plate（204）, head outer cylinder body
（202）, head inner barrel（201）, outer end plate（206）, inner end plate（205）And ring sealing plate（204）Surround a water-cooled together
Chuck, is provided with water inlet pipe in described water-cooling jacket bottom（203）, top is provided with outlet pipe（207）.
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| CN201510153830.2A CN104789761B (en) | 2015-04-02 | 2015-04-02 | A kind of reduced iron efficiently cooling and waste-heat recovery device |
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| CN201510153830.2A CN104789761B (en) | 2015-04-02 | 2015-04-02 | A kind of reduced iron efficiently cooling and waste-heat recovery device |
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| CN106402820B (en) * | 2016-11-14 | 2018-08-14 | 大连科林能源工程技术开发有限公司 | A kind of fine ore suspending magnetization roasting powder chilling temperature reduction technology waste heat boiler |
| CN108330278A (en) * | 2018-02-13 | 2018-07-27 | 山东理工大学 | Residual heat recovery type reduced iron cooling device |
| CN108300853A (en) * | 2018-02-13 | 2018-07-20 | 山东理工大学 | Cooling for reduced iron and waste-heat recovery device |
| CN108165738A (en) * | 2018-02-13 | 2018-06-15 | 山东理工大学 | A kind of residual heat recovery type reduced iron cooling device |
| CN108330279A (en) * | 2018-02-13 | 2018-07-27 | 山东理工大学 | Reduced iron cooling and waste-heat recovery device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS59215426A (en) * | 1983-05-18 | 1984-12-05 | Hitachi Zosen Corp | Circular cooling machine |
| CN100357696C (en) * | 2005-10-21 | 2007-12-26 | 刘继清 | Vertical heat tube cooling machine |
| CN201344545Y (en) * | 2009-02-23 | 2009-11-11 | 四川龙麟锅炉设备有限责任公司 | Membrane type dual-cylinder multi-bin cold slag machine |
| CN102433400B (en) * | 2011-12-23 | 2013-05-01 | 东北大学 | Waste heat recovering device of high-temperature metallurgy slag particles |
| CN104141020B (en) * | 2013-05-08 | 2016-05-04 | 中冶东方工程技术有限公司秦皇岛研究设计院 | A kind of evaporimeter and high-temperature slag dry method residual neat recovering system |
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Effective date of registration: 20230407 Address after: Xiaobaixi Village, Kunlun Town, Zichuan District, Zibo City, Shandong Province, 255192 Patentee after: Shandong Huaao Ceramic Technology Co.,Ltd. Address before: 1012 room 255086, building D, high tech garden, hi tech Industrial Development Zone, Shandong, Zibo Patentee before: Shandong University of Technology |
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