CN108895849A - Ring cold machine and its heat dissipation recycling component and method, oxide pellet Preparation equipment - Google Patents
Ring cold machine and its heat dissipation recycling component and method, oxide pellet Preparation equipment Download PDFInfo
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- CN108895849A CN108895849A CN201811003440.7A CN201811003440A CN108895849A CN 108895849 A CN108895849 A CN 108895849A CN 201811003440 A CN201811003440 A CN 201811003440A CN 108895849 A CN108895849 A CN 108895849A
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- ring cold
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 70
- 238000004064 recycling Methods 0.000 title claims abstract description 60
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000008188 pellet Substances 0.000 title claims abstract description 14
- 238000002360 preparation method Methods 0.000 title claims abstract description 7
- 238000011084 recovery Methods 0.000 claims abstract description 74
- 239000007788 liquid Substances 0.000 claims description 72
- 238000012546 transfer Methods 0.000 claims description 33
- 238000001035 drying Methods 0.000 claims description 31
- 239000007789 gas Substances 0.000 claims description 31
- 239000002918 waste heat Substances 0.000 claims description 8
- 239000004744 fabric Substances 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 5
- 238000007689 inspection Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 16
- 230000011218 segmentation Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 12
- 230000005855 radiation Effects 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 238000009434 installation Methods 0.000 description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 6
- 239000003546 flue gas Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 239000002253 acid Substances 0.000 description 4
- 238000005453 pelletization Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000003466 anti-cipated effect Effects 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000005842 biochemical reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D15/00—Handling or treating discharged material; Supports or receiving chambers therefor
- F27D15/02—Cooling
- F27D15/0286—Cooling in a vertical, e.g. annular, shaft
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D15/00—Handling or treating discharged material; Supports or receiving chambers therefor
- F27D15/02—Cooling
- F27D15/0286—Cooling in a vertical, e.g. annular, shaft
- F27D2015/0293—Cooling in a vertical, e.g. annular, shaft including rotating parts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The present invention relates to ring cold machine technical fields, provide ring cold machine and its heat dissipation recycling component and method, oxide pellet Preparation equipment.Wherein, ring cold machine heat dissipation recycling component includes the recovery tubes being arranged at the hopper of ring cold machine, and the recovery tubes include that at least one is used to be passed through the entrance of heat exchange medium and multiple for exporting the outlet of heat exchange medium；Multiple outlets are set gradually along the circulating direction of the heat exchange medium.Recovery tubes can recycle the heat dissipation capacity of hopper, achieve the purpose that make whole production line energy-saving with this.And ground reduces operation temperature by ring cold machine, so that operative employee's labor intensity is declined.Furthermore, it is set gradually since there are the outlets of multiple heat exchange mediums along the circulating direction of heat exchange medium, realize the automatic paragraphing outflow of heat exchange medium, segmentation can be required to draw heat exchange medium according to the temperature and plant area that heat exchange medium heats in recovery tubes, further enhance heat utilization ratio.
Description
Technical field
The present invention relates to ring cold machine technical field more particularly to ring cold machine and its heat dissipation recycling components and method, oxidation ball
Nodulizing Preparation equipment.
Background technique
Acid pellet is one of important method of agglomeration of fine ore.Concentrate powder is first given into drying in dry kiln, then roller
After being milled to suitable dynamics, suitable moisture is added in pelletizer and viscous consistency, the life with sufficient intensity is made in binder
Ball.It is roasted in oxidizing atmosphere after green-ball is preheated, makes the concurrent biochemical reaction of green-ball conglomeration to which pellet be made.Aoxidize ball
Group's technique is particularly suitable for handling concentrate fine powder.The pellet of output has preferable cold strength, reproducibility and granularmetric composition.
Pellet is important blast furnace burden in steel and iron industry, can arrange in pairs or groups together with sinter and constitute preferable burden structure, each
Big steel enterprise is widely used.
Production oxide pellet have shaft furnace, chain-return-three kinds of techniques of ring and belt type roasting machine, wherein domestic application most extensively,
Shared market amount is highest to return-ring technique for chain-.Its process flow is as shown in Figure 1：The green-ball produced from balling disk (-sc) passes through cloth
Ball device 1 on drying grate trolley, rotary kiln 3 is entered after the sections such as the drying of drying grate 2, preheating, is being turned round by uniform cloth
After becoming finished ball by high-temperature roasting in kiln 3, ring cold machine 4 is entered back into, room temperature finished ball is eventually become and is sent to finished product bin.It returns
For rotary kiln 3 as the core equipment in chain-time-ring technique, effect is by the high temperature oxidation stability atmosphere in kiln to drying grate mistake
The pelletizing come carries out high-temperature roasting, it is made to complete series of chemical to as qualified finished ball needed for blast furnace ironmaking.
As shown in Figure 17, hopper is closed-entry polymorphic structure to ring cold machine hopper apparatus structure, and one end uses watertight encapsulation technique and ring
Cold rotates horizontal plane sealing, and the other end is connected with rotary kiln head case feed opening, and effect is after roasting in rotary kiln
High temperature pelletizing material, which is accepted, to be introduced in ring cold machine, and next step cooling process link is carried out.
Ring cold machine under the prior art, due to lacking by the means of the hot effective recycling of Wall Radiation, in production process
In, there are following two defects：
The first, heat dissipation capacity does not obtain effective recycling：Not due to hopper Wall Radiation heat in process of production
It is efficiently used well, therefore a large amount of heat outlet has been dispersed into tail ambient atmosphere.It is aobvious according to Field Production Data
Show, generally between 250~300 DEG C, the acid pellet production line with 1,200,000 tons/year of scales is hopper wall surface temperature
Example, hopper 1 year total heat dissipation capacity is about 22x109Kcal is equivalent to 3143 tons of mark coals.This partial heat is as can obtain efficiently
It utilizes, the energy-saving index for improving acid pellet system is very helpful.
The second, operating environment is poor by hopper：Since hopper Wall Radiation heat dissipation capacity is not utilized effectively, therefore cause
Operating environment by hopper is very hot, especially summer, and maximum temperature not only greatly increases up to 60-70 DEG C by hopper
Add the work load of operative employee, and increases security risk when production operation.
For above two defects, we are subject to Optimal improvements to it on the basis of existing ring cold machine apparatus system, try hard to
Develop that a kind of waste heat recovering effect is good, the more good ring cold machine material feeding bucket device of operating environment by machine, with this come reach make it is whole
The energy-saving purpose of acid pellet production line.
Summary of the invention
The present invention is directed to solve at least one of the technical problems existing in the prior art or related technologies.
One of purpose of the invention is：A kind of ring cold machine and its recycling component that radiates are provided, solved in the prior art
Existing ring cold machine heat dissipation capacity does not obtain the technical problem of operating environment difference by effective recycling and ring cold machine.
In order to realize the purpose, it radiates the present invention provides a kind of ring cold machine and recycles component, including ring cold machine is arranged in
Recovery tubes at hopper, the recovery tubes include at least one be used for be passed through heat exchange medium entrance and multiple use
In the outlet of output heat exchange medium；Multiple outlets are set gradually along the circulating direction of the heat exchange medium.
Ring cold machine and its heat dissipation recycling component of the invention, since it includes the recovery tubes being arranged at hopper, into
And the heat dissipation capacity of hopper can be recycled, achieve the purpose that make the whole production line energy-saving with this.Simultaneously as
Waste heat by hopper is recycled, operation temperature by ring cold machine is significantly reduced, so that operative employee's labor intensity obtains
To decline, so as to improve operating environment by ring cold machine.Further, since there are the outlets of multiple heat exchange mediums along heat exchange
The circulating direction of medium is set gradually, and realizes the automatic paragraphing outflow of heat exchange medium, can be returned according to heat exchange medium in heat
The temperature heated in closed tube and plant area require segmentation to draw heat exchange medium, further enhance heat utilization ratio.
Preferably, entrance described in the outlet positioned at most downstream.
Preferably, exporting between the entrance described in the most downstream to be provided with prevents the heat exchange medium from described
Entrance flows to the check-valves of the outlet of most downstream.
Preferably, the heat exchange medium is liquid, is provided with circulation between the outlet and the entrance of most downstream
Pump；
Alternatively,
The heat exchange medium is gas, is provided with circulating fan between the outlet and the entrance of most downstream.
Preferably, other than the outlet of most downstream, the remaining outlet is for connecting waste heat boiler；It is described enter
Mouth is for connecting plant area general pipeline.
Preferably, multiple exits are respectively arranged with temperature detecting element and control valve, the temperature detection member
Part is used to detect the temperature for the heat exchange medium that flows through or will flow through presently described outlet, and the control valve meets：
When the temperature for measuring the heat exchange medium reaches set temperature value, the presently described outlet of control valve control is opened
It opens, and the heat exchange medium is made to flow out the recovery tubes by presently described outlet；When the temperature of the heat exchange medium
When degree is not up to set temperature value, the control valve controls presently described outlet and closes, and makes the heat exchange medium
Continue on the recovery tubes flowing.
Preferably, the recovery tubes are the helix tube wound along the outer wall of the hopper.
Preferably, heat transfer fin is provided on the helix tube.
Another object of the present invention is：A kind of ring cold machine, including hopper and the heat dissipation recycling of above-mentioned ring cold machine are provided
Component.
Ring cold machine of the invention is radiated by using the above ring cold machine and recycles component, can effectively strengthen the complementary energy of ring cold machine
Utilization rate reduces the energy consumption index of ring cold machine, reduces the environment temperature by ring cold machine, improves the operating environment by ring cold machine.Phase
Compare the ring cold machine under the prior art, the ring cold machine of the present embodiment it is more energy saving, economical, reliable with it is environmentally friendly, it is anticipated that its
There is great potential in future market.Also, the ring cold machine of the present embodiment can export heat exchange by multiple and different outlets
Heat recovery efficiency can be improved in medium.
Another object of the present invention is：A kind of oxide pellet Preparation equipment is provided, including the cloth ball dress set gradually
It sets, drying grate, rotary kiln and ring cold machine, the ring cold machine are above-mentioned ring cold machine.
A further object of the present invention is：There is provided a kind of ring cold machine heat dissipation recovery method, wherein in the hopper of ring cold machine
Place is provided with recovery tubes, and the circulating direction in recovery tubes along heat exchange medium set gradually at least one entrance and
Multiple outlets；Include the following steps：
Heat exchange medium is passed through in recovery tubes, so that heat exchange medium and hopper carry out heat exchange and temperature liter
It is high；
Detect the temperature of each exit heat exchange medium：
For other outlets except the outlet of most downstream, when the temperature of heat exchange medium reach set temperature value when
It waits, the current outlet of unlatching is so that heat exchange medium flows out recovery tubes from current outlet；Otherwise, current outlet is closed so that heat is handed over
It changes medium and continues on recovery tubes flowing；
It outlet for most downstream will if the temperature of the heat exchange medium in exit does not reach set temperature value
Heat exchange medium is passed through in recovery tubes again through entrance, alternatively, making the outlet of the heat exchange medium by most downstream
Flow out the recovery tubes.
Wherein, it is respectively provided with temperature detecting element and control valve in each outlet port, if temperature detecting element is corresponding
Region is flowed through with heat exchange medium, then temperature detecting element, which opens and will test data, is sent to corresponding control valve, control
Valve controls the opening and closing currently exported according to detection data.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is chain-time-ring technique process flow diagram of the prior art；
Fig. 2 is the structural schematic diagram of the rotary kiln of the prior art；
Fig. 3 be in Fig. 2 A to structural schematic diagram；
Fig. 4 is the scheme of installation of the rotary kiln heat dissipation recycling component of embodiment；
Fig. 5 be in Fig. 4 C to structural schematic diagram；
Fig. 6 be in Fig. 4 B to structural schematic diagram；
Fig. 7 is the workflow schematic diagram of rotary kiln heat dissipation recycling component in embodiment；
Fig. 8 is the scheme of installation (one) for being provided with the rotary kiln heat dissipation recycling component of heat transfer floor；
Fig. 9 is the scheme of installation (two) for being provided with the rotary kiln heat dissipation recycling component of heat transfer floor；
Figure 10 is the structural schematic diagram of the drying grate of the prior art；
Figure 11 is the scheme of installation of the drying grate heat dissipation recycling component of embodiment；
Figure 12 is the structural schematic diagram of the drying grate heat dissipation recycling component of embodiment；
Figure 13 is the structural schematic diagram (one) for being provided with the drying grate heat dissipation recycling component of heat transfer floor；
Figure 14 is the structural schematic diagram (two) for being provided with the drying grate heat dissipation recycling component of heat transfer floor；
Figure 15 be include multilayer coiled pipe drying grate heat dissipation recycling component scheme of installation (one)；
Figure 16 be include multilayer coiled pipe drying grate heat dissipation recycling component scheme of installation (two)；
Figure 17 is the structural schematic diagram of the ring cold machine of the prior art；
Figure 18 is the scheme of installation of the ring cold machine heat dissipation recycling component of embodiment；
Figure 19 is the schematic perspective view (one) for being provided with the helix tube of heat transfer floor；
Figure 20 is the schematic perspective view (two) for being provided with the helix tube of heat transfer floor；
Figure 21 is the cross-sectional view (one) for being provided with the helix tube of heat transfer floor；
Figure 22 is the cross-sectional view (two) for being provided with the helix tube of heat transfer floor；
Figure 23 is the cross-sectional view (three) for being provided with the helix tube of heat transfer floor；
Figure 24 is the workflow schematic diagram of ring cold machine heat dissipation recycling component in embodiment；
In figure：1, cloth ball device；2, drying grate；3, rotary kiln；31, kiln ontology；32, carrying roller；33, weight bearing foundation；4, ring
Cold；401, hopper；5, rotary kiln heat dissipation recycling component；51, helix tube；52, entrance；53, air inlet/liquid pipe；54, it exports；
541, first goes out gas/liquid mouth；542, second goes out gas/liquid mouth；543, third goes out gas/liquid mouth；544, the 4th goes out gas/liquid mouth；545,
5th goes out gas/liquid mouth；55, outlet/liquid pipe；551, the first outlet/liquid pipe；552, the second outlet/liquid pipe；553, third outlet/
Liquid pipe；554, four outlets/liquid pipe；555, five outlets/liquid pipe；56, control valve；561, the first control valve；562, the second control
Valve processed；563, third control valve；564, the 4th control valve；565, the 5th control valve；566, the 6th control valve；6, circulating fan/
Circulating pump；7, check-valves；8, conduct heat fin；9, temperature detecting element；05, drying grate heat dissipation recycling component；051, coiled pipe；
21, hood；22, trolley；23, great wheel；24, tail wheel.
Specific embodiment
To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawing and specific real
Applying mode, the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application
Feature in example and embodiment can be combined with each other.
In the description of the present invention, it should be noted that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" exists
In the case where being not particularly illustrated, to be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the present invention and
Simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construction
And operation, therefore be not considered as limiting the invention.In addition, term " first ", " second ", " third " are only used for description mesh
, it is not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " connected " " connects
Connect " it shall be understood in a broad sense, for example, it may be being fixedly connected, it may be a detachable connection, or be integrally connected；It can be machine
Tool connection, is also possible to be electrically connected；It can be directly connected, it can also be indirectly connected through an intermediary.For this field
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Referring to Figure 18, the ring cold machine heat dissipation recycling component of the present embodiment, including being arranged at the hopper 401 of ring cold machine
Recovery tubes, the recovery tubes include that at least one is used to be passed through the entrance of heat exchange medium and multiple for heat outputting
The outlet of exchange media；Multiple outlets are set gradually along the circulating direction of the heat exchange medium.
The ring cold machine heat dissipation recycling component of the present embodiment, since it includes the recovery tubes being arranged at hopper 401, into
And the heat dissipation capacity of hopper 401 can be recycled, achieve the purpose that make the whole production line energy-saving with this.Meanwhile
Since the waste heat to 401 side of hopper is recycled, operation temperature by ring cold machine is significantly reduced, so that operative employee works
Intensity is declined, so as to improve operating environment by ring cold machine.Further, since there are the outlet of multiple heat exchange mediums along
The circulating direction of heat exchange medium is set gradually, and realizes the automatic paragraphing outflow of heat exchange medium, can be according to heat exchange medium
The temperature heated in recovery tubes and plant area require segmentation to draw heat exchange medium, further enhance heat utilization ratio.
Wherein, preferably but necessarily positioned at the outlet entrance 52 of most downstream, and then in the outlet of most downstream and enter
Circulation loop is formed between mouth 52.Certainly, the outlet of most downstream and the connection of entrance 52 can be formed by circulation by pipeline herein
Circuit can also use any other mode, as long as heat exchange medium is allowed to flow back into entrance by the outlet of most downstream
52.In turn, the ring cold machine heat dissipation recycling component of the present embodiment, recovery tubes form a closed loop configuration, when measuring
It, can be by heat exchange medium by most when the heat exchange medium temperature in the exit of most downstream does not reach set temperature value
The outlet in downstream is passed into recovery tubes again through entrance 52.In the case of this kind, ring cold machine heat dissipation recycling component can fill
Divide the recuperation of heat ability using heat exchange medium, realizes most making full use of to heat exchange medium.
Wherein, " outlet of most downstream " namely：It is passed through heat exchange medium from entrance 52, heat exchange medium is along recovery tubes
Flowing, wherein the outlet that heat exchange medium finally passes through is exactly the outlet of most downstream.
Further, it is provided with check-valves on the circulation loop of most downstream exported between entrance 52, the check-valves
For preventing heat exchange medium from flowing to from entrance 52 outlet of most downstream, namely prevent the heat exchange medium on circulation loop reverse
Flowing.
In the present embodiment, heat exchange medium concrete type is unlimited, as long as can carry out hot friendship with the hopper 401 of ring cold machine
Swap-in and realize recuperation of heat.
One of situation, heat exchange medium are liquid, such as heat exchange medium can be using being easy to get and at low cost
Water, can also using oil be used as heat exchange medium.In the case of this kind, it can be arranged between the outlet and entrance 52 of most downstream
Circulating pump.Other positions can also be arranged in certain circulating pump.
Another situation, heat exchange medium are gas.In the case of this kind, it is arranged between the outlet and entrance 52 of most downstream and follows
Ring blower.Equally, circulating fan also can be set in other positions.
In the present embodiment, other than the outlet of most downstream, remaining outlet can connect waste heat boiler, entrance 52
It can connect plant area general pipeline.In the case of this kind, ring cold machine heat dissipation recycling component provides heat exchange medium simultaneously using the facility of plant area
Heat is recycled, and then it can make full use of existing facility and save manufacturing cost.
Referring to Figure 18, each exit is respectively arranged with temperature detecting element 9 and control valve.Wherein, temperature detection
Element 9 is for detecting the temperature for flowing through or will flowing through the heat exchange medium currently exported.Control valve meets：When measuring hot friendship
When changing the temperature of medium and reach set temperature value, control valve controls current port opening, and heat exchange medium is passed through
Current outlet outflow recovery tubes.When the temperature of heat exchange medium is not up to set temperature value, control valve control is current
Outlet is closed, and heat exchange medium is made to continue on recovery tubes flowing.Wherein, for the outlet of most downstream, work as heat
When the temperature of exchange media is not up to set temperature value, then heat exchange medium flows into recovery tubes again through entrance 52.
The quantity of Figure 18 middle outlet is five, is first to go out gas/liquid mouth 541, second and go out gas/liquid mouth 542, third respectively
Gas/liquid mouth the 543, the 4th goes out gas/liquid mouth 544 and the 5th goes out gas/liquid mouth 545, and the quantity of entrance 52 is one.In Figure 18, first
Gas/liquid mouth 541 connects the first outlet/liquid pipe 551 out, and second, which goes out gas/liquid mouth 542, connects the second outlet/liquid pipe 552, and third goes out
Gas/liquid mouth 543 connect third outlet/liquid pipe 553, the 4th go out gas/liquid mouth 544 connect four outlets/liquid pipe 554, the 5th outlet/
Liquid mouth 545 connects five outlets/liquid pipe 555, and entrance 52 connects air inlet/liquid pipe 53.Go out in the first outlet/liquid pipe 551 to the 5th
The first control valve 561, the second control valve 562, third control valve 563, the 4th control valve 564 are respectively arranged on gas/liquid pipe 555
With the 6th control valve 566 and temperature detecting element 9, the 5th control valve 565 is provided in air inlet/liquid pipe 53.Wherein, first
Outlet/liquid pipe 551 to four outlets/liquid pipe 554 accesses plant area's high-temperature flue gas pipe or plant area's steam pipe, five outlets/liquid pipe
555 access air inlet/liquid pipe 53 by circulation loop.
Certainly, it exports and the quantity of entrance 52 is not limited by citing herein.
In the present embodiment, recovery tubes are preferably necessarily still the helix tube 51 set along 401 disk of hopper, are referred to
Figure 18.In the case of this kind, helix tube 51 and 401 outer surface of hopper are come into full contact with, and can preferably realize recuperation of heat.And heat
Exchange media is spinned around hopper 401 along helix tube 51 and is moved, and is situated between in real time with 401 radiation heat transfer of hopper as high temperature
Matter, so that the heat dissipation of ring cold machine hopper 401 is used more effectively.
Wherein, heat transfer fin 8 can be set on helix tube 51, to reinforce the effect of the radial-type heat dissipating recycling of helix tube 51
Fruit.The concrete form of heat transfer fin 8 is unlimited, and the structure shape of a variety of heat transfer fins is set forth in Figure 19 to Figure 23 of the present embodiment
Formula.The fin that conducts heat can use the Spiral installation structure form of Figure 19, can also use the fragment mounting structure form of Figure 20, or
It is that can also should all be included in the scope of the present invention using other any structure types regardless of form.In addition, heat transfer rib
The sectional area of piece can be rectangular or Figure 23 the triangle of the circle of Figure 21, Figure 22, and not limited by illustrating herein.
In the present embodiment, ring cold machine heat dissipation recycling component, the cross-sectional area of recovery tubes is unlimited, preferably but necessarily
The cross-sectional area of recovery tubes is rounded or rectangle.
By taking the ring cold machine heat dissipation recycling component of five outlets and an entrance 52 as an example, using this kind of ring cold machine heat dissipation recycling
When component carries out recuperation of heat, Figure 24 is referred to：Normal temperature air or normal-temperature water first enter spiral shell via air inlet/liquid pipe 53 and entrance 52
It in coil 51, then moves along helix tube 51, is dissipated on one side by what radiation heat transfer absorption 401 outer wall of hopper gave out on one side
Heat finally becomes high temperature air or high-temperature water vapor and is discharged from outlet.Temperature detecting element 9 real-time monitoring, five exit heat
Temperature T1, T2, T3, T4 and T5 of exchange media.If heat exchange medium is in primary outlet (along flow of media direction number
One outlet) temperature T1 arrived plant area require temperature, then the control valve in remaining four exit be not necessarily to work, it is only necessary to open
The first control valve 561 at primary outlet is opened, heat exchange medium is drawn from primary outlet.Similarly, if T2 or
Person T3 can be only achieved plant area and require temperature, then accordingly opens the second control valve 562 or third control valve 563, close remaining
Control valve draws the heat exchange medium of high temperature from corresponding outlet.
If T5 is still not up to plant area and requires, then shows that heat exchange medium needs once to be exchanged heat again, open the at this time
Heat exchange medium is led back again by circulation loop to entrance 52, carries out the cycle heat exchange of a new round, directly by six control valves 566
Until reaching plant area and requiring.During being somebody's turn to do, circulating fan/circulating pump can be opened, heat exchange medium is passed through into circulation loop
Air inlet/liquid pipe 53 is introduced again, carries out the cycle heat exchange of a new round, until reaching plant area and requiring.
If being required alternatively, T5 is still not up to plant area, heat exchange medium can also directly be passed through to currently outlet and drawn.
In addition, being found by Figure 18, ring cold machine successively includes cold section of the first ring, cold section of the second ring and third ring from right to left
Cold section, and the arrow direction in Figure 18 under upper refers to the blanking direction of the high temperature pelletizing material from rotary kiln.
Further, the present embodiment also provides a kind of ring cold machine, including hopper 401 and the heat dissipation recycling of above-mentioned ring cold machine
Component.
The ring cold machine of the present embodiment is radiated by using the above ring cold machine and recycles component, can effectively strengthen the remaining of ring cold machine
Energy utilization rate, reduces the energy consumption index of ring cold machine, reduces the environment temperature by ring cold machine, improves the operating environment by ring cold machine.
Ring cold machine under the prior art that compares, the ring cold machine of the present embodiment it is more energy saving, economical, reliable with it is environmentally friendly, it is anticipated that its
There is great potential in future market.Also, the ring cold machine of the present embodiment can be handed over by multiple and different outlet heat outputtings
Medium is changed, heat recovery efficiency can be improved.
Further, the present embodiment also provides a kind of ring cold machine heat dissipation recovery method, wherein in the hopper of ring cold machine
Recovery tubes are provided at 401, and the circulating direction in recovery tubes along heat exchange medium sets gradually at least one and enters
Mouth and multiple outlets；Include the following steps：
Heat exchange medium is passed through in recovery tubes, so that heat exchange medium and hopper 401 carry out heat exchange and temperature
It increases；
Detect the temperature of each exit heat exchange medium：
For other outlets except the outlet of most downstream, when the temperature of heat exchange medium reach set temperature value when
It waits, the current outlet of unlatching is so that heat exchange medium flows out recovery tubes from current outlet；Otherwise, current outlet is closed so that heat is handed over
It changes medium and continues on recovery tubes flowing；
It outlet for most downstream will if the temperature of the heat exchange medium in exit does not reach set temperature value
Heat exchange medium is passed through in recovery tubes again through entrance, alternatively, making the outlet of the heat exchange medium by most downstream
Flow out the recovery tubes.
Wherein, it is respectively provided with temperature detecting element and control valve in each outlet port, if temperature detecting element is corresponding
Region is flowed through with heat exchange medium, then temperature detecting element, which opens and will test data, is sent to corresponding control valve, control
Valve controls the opening and closing currently exported according to detection data.
Further, the present embodiment also provides a kind of oxide pellet Preparation equipment, including the cloth ball dress set gradually
1, drying grate 2, rotary kiln 3 and ring cold machine 4 are set, ring cold machine 4 is above-mentioned ring cold machine 4.
1 and Figure 12 referring to Figure 1, the drying grate of the present embodiment, drying grate heat dissipation recycling component 05 includes being arranged in chain
Recovery tubes at the loop of comb machine 2, recovery tubes include at least one be used for be passed through heat exchange medium entrance 52 and
Multiple outlets 54 for being used to export heat exchange medium；Multiple outlets 54 are set gradually along the circulating direction of heat exchange medium.
The drying grate of the present embodiment, since its drying grate radiates recycling component 05 including the recuperation of heat at loop is arranged in
Pipe, and then can recycle the heat dissipation capacity of loop, achieve the purpose that make whole production line energy-saving with this.Together
When, due to being recycled to the waste heat at loop, 2 side operation temperature of drying grate is significantly reduced, so that operative employee's labor
Fatigue resistance is declined, so as to improve 2 side operating environment of drying grate.Further, since there are the outlets of multiple heat exchange mediums
54 set gradually along the circulating direction of heat exchange medium, realize the automatic paragraphing outflow of heat exchange medium, can be handed over according to heat
The temperature and plant area's requirement segmentation extraction heat exchange medium that medium heats in recovery tubes are changed, heat utilization is further enhanced
Rate.
Wherein, drying grate heat dissipation recycling component 05 carries out radiation heat transfer with 22 outer wall of blank trolley on loop.
3 and Figure 14 referring to Figure 1, preferably but necessarily the outlet 54 positioned at most downstream is connected to entrance 52, and then most
Circulation loop is formed between the outlet 54 and entrance 52 in downstream.It certainly, herein can be by pipeline by 54 He of outlet of most downstream
The connection of entrance 52 forms circulation loop, any other mode can also be used, as long as it is most lower to pass through heat exchange medium
The outlet 54 of trip flow back into entrance 52.In turn, the drying grate heat dissipation recycling component 05 of the present embodiment, recuperation of heat is tubular
At a closed loop configuration, the heat exchange medium temperature at the outlet 54 for measuring most downstream do not reach set temperature value when
It waits, heat exchange medium can be passed into recovery tubes by the outlet 54 of most downstream again through entrance 52.This kind of situation
Under, drying grate heat dissipation recycling component 05 can make full use of the recuperation of heat ability of heat exchange medium, realize to heat exchange medium
Most make full use of.
Wherein, " outlet 54 of most downstream " namely：It is passed through heat exchange medium from entrance 52, heat exchange medium is along recuperation of heat
Pipe flowing, wherein the outlet 54 that heat exchange medium finally passes through is exactly the outlet 54 of most downstream.
In Figure 13 and Figure 14, it is provided with check-valves 7 in the outlet 54 to the circulation loop between entrance 52 of most downstream, it should
Check-valves 7 is used to prevent heat exchange medium from flowing to the outlet 54 of most downstream from entrance 52, namely prevents the heat on circulation loop from handing over
Change medium reverse flow.
Heat exchange medium concrete type is unlimited in the present embodiment, if can with the outer wall of blank trolley 22 on loop into
Row heat exchange and then realization recuperation of heat.
One of situation, heat exchange medium are liquid, such as heat exchange medium can be using being easy to get and at low cost
Water, can also using oil be used as heat exchange medium.In the case of this kind, it can be set between the outlet 54 and entrance 52 of most downstream
Set circulating pump.Other positions can also be arranged in certain circulating pump.
Another situation, heat exchange medium are gas.In the case of this kind, it is arranged between the outlet 54 and entrance 52 of most downstream
Circulating fan.Equally, circulating fan also can be set in other positions.
Other than the outlet 54 of most downstream, remaining outlet 54 can connect plant area's steam pipe or plant area's high temperature
Fume pipe, entrance 52 can connect plant area general pipeline.Wherein, when heat exchange medium is water, then remaining outlet 54 can be with
Connect plant area's steam pipe；When heat exchange medium is gas, then remaining outlet 54 can connect plant area's high-temperature flue gas pipe.
In the case of this kind, drying grate heat dissipation recycling component 05 provides heat exchange medium using the facility of plant area and recycles heat, Jin Erqi
Existing facility can be made full use of and save manufacturing cost.
In the present embodiment, temperature detecting element 9 and control valve 56 are respectively arranged at each outlet 54.Wherein, temperature
Detecting element 9 is used to detect the temperature that flows through or will flow through the heat exchange medium of current outlet 54.Control valve 56 meets：When
When measuring the temperature of heat exchange medium and reach set temperature value, control valve 56 controls current outlet 54 and opens, and makes heat
Exchange media is by current 54 outflow recovery tubes of outlet.When the temperature of heat exchange medium is not up to set temperature value,
Control valve 56 controls current outlet 54 and closes, and heat exchange medium is made to continue on recovery tubes flowing.Wherein, for most lower
For the outlet 54 of trip, when the temperature of heat exchange medium is not up to set temperature value, then heat exchange medium again through
Entrance 52 flows into recovery tubes.
Referring to Figure 13 and 14, the quantity for exporting 54 is three, and the quantity of entrance 52 is one.In Figure 13 and Figure 14, three
A outlet 54 is separately connected three different gas/liquid mouths out, and entrance 52 connects air inlet/liquid pipe 53.In each outlet/liquid pipe 55
It is respectively arranged with control valve 56 and temperature detecting element 9, the 5th control valve 565 is provided in air inlet/liquid pipe 53.Wherein, first
Outlet/551 to the second outlets of liquid pipe/liquid pipe 552 accesses plant area's high-temperature flue gas pipe or plant area's steam pipe, third outlet/liquid pipe
553 access air inlet/liquid pipe 53 by circulation loop.
Certainly, the quantity of outlet 54 and entrance 52 is not limited by citing herein.
Recovery tubes are preferably necessarily still the coiled pipe 051 on the loop that is sticked.Wherein, coiled pipe 051
It is sticked on loop, and then more fully heat exchange can be carried out with the trolley 22 on loop.Also, heat exchange medium
Serpentine locomotion is done along coiled pipe 051, becomes high-temperature medium with the 22 outer wall radiation heat transfer of trolley on loop in real time, so that platform
The heat dissipation of 22 outer wall of vehicle is used more effectively.Certainly, coiled pipe 051 will not necessarily be sticked on loop, as long as can be with
Heat exchange is carried out with the trolley 22 on loop, coiled pipe 051 can be set in any position.
Wherein, heat transfer fin 8 can be set between the adjacent tubular segments of coiled pipe 051, to reinforce the radiant type of coiled pipe 051
Radiate the effect recycled.The concrete form of heat transfer fin 8 is unlimited, and two kinds of heat transfers are set forth in Figure 13 and Figure 14 of the present embodiment
The structure type of fin 8.In Figure 13, heat transfer fin 8 is arranged perpendicular to coiled pipe 051, the simple and convenient processing of structure.Figure 14
In, heat transfer fin 8 favours the setting of coiled pipe 051, and the area of this kind heat transfer fin 8 is bigger, so that coiled pipe 051 obtains
Better heat transfer effect.
Further, in the present embodiment, the coiled pipe 051 has multilayer from top to bottom." from top to bottom " herein
On the direction of trolley 22 i.e. on from top trolley 22 to lower section loop.
The situation that coiled pipe 051 is two layers and three layers is set forth in Figure 15 and Figure 16, does not constitute the chain to the application
The limitation of comb machine heat dissipation recycling component 05.The number of plies appropriate for increasing coiled pipe 051, and be distributed between trolley 22 up and down, it removes
The heat dissipation at loop can be recycled, the heat dissipation of 2 other positions of drying grate also can also rationally be recycled.
The cross-sectional area of the recovery tubes of drying grate heat dissipation recycling component 05 is unlimited, preferably but necessarily recovery tubes
Cross-sectional area is rounded or rectangle.
By taking the drying grate heat dissipation recycling component 05 of three outlets 54 and an entrance 52 as an example, radiate using this kind of drying grate
When recycling the progress recuperation of heat of component 05：Normal temperature air or normal-temperature water first enter coiled pipe via air inlet/liquid pipe 53 and entrance 52
It in 051, is then moved on one side along coiled pipe 051,22 outer wall of trolley on loop is absorbed by radiation heat transfer on one side and is given out
Heat dissipation capacity, finally become high temperature air or high-temperature water vapor and be discharged from outlet 54.9 real-time monitoring of temperature detecting element three go out
Temperature T1, T2 and T3 of heat exchange medium at mouth 54.If heat exchange medium is in primary outlet 54 (along flow of media direction
Number primary outlets 54) temperature T1 arrived plant area require temperature, then other two outlet 54 at control valve 56 be not necessarily to work
Make, it is only necessary to open the first control valve at primary outlet 54, heat exchange medium is drawn from primary outlet 54.Together
Reason, if T2 perhaps T3 can be only achieved plant area require temperature then accordingly open the second control valve or third control valve, close
Remaining control valve 56 draws the heat exchange medium of high temperature from corresponding outlet 54.
If T3 is still not up to plant area and requires, then shows that heat exchange medium needs once to be exchanged heat again, open the at this time
Heat exchange medium is led back again by circulation loop to entrance 52, the cycle heat exchange of a new round is carried out, until reaching by three control valves
Until plant area requires.During being somebody's turn to do, circulating fan/circulating pump 6 can be opened, again by circulation loop by heat exchange medium
Air inlet/liquid pipe 53 is introduced, the cycle heat exchange of a new round is carried out, until reaching plant area and requiring.
If being required alternatively, T3 is still not up to plant area, heat exchange medium can also directly be passed through to currently outlet 54 and drawn.
The structure chart of old-fashioned rotary kiln device is as shown in Fig. 2 and Fig. 3：Kiln ontology 31 is installed on multipair carrying roller 32,
Carrying roller 32 is installed on weight bearing foundation 33.In production, kiln ontology 31 carries out counterclockwise or clockwise by the effect of carrying roller 32
Slow rotation to completing the motion process that pelletizing is exported from kiln tail entrance to kiln hood.
Further, Fig. 4 and Fig. 5 are referred to, the rotary kiln of the present embodiment is provided with rotary kiln heat dissipation recycling component 5, returns
Rotary kiln heat dissipation recycling component 5 include be arranged in the outside of kiln ontology 31 and for and 31 heat exchange of kiln ontology recovery tubes, it is described
Recovery tubes include at least one be used for be passed through heat exchange medium entrance 52 and it is multiple for export heat exchange medium go out
Mouth 54；Multiple outlets 54 are set gradually along the circulating direction of the heat exchange medium.
The rotary kiln heat dissipation recycling component 5 of the present embodiment, since it includes setting outside kiln ontology 31 and is used for and kiln
The recovery tubes of 31 heat exchange of ontology, and then the heat dissipation capacity of rotary kiln 3 can be recycled, whole production is made to reach with this
The energy-saving purpose of line.Simultaneously as the waste heat on 3 side of rotary kiln is recycled, operation temperature by kiln is significantly reduced,
So that operative employee's labor intensity is declined, so as to improve operating environment by kiln.Further, since there are multiple heat exchange mediums
Outlet 54 set gradually along the circulating direction of heat exchange medium, realize heat exchange medium automatic paragraphing outflow, can root
The temperature heated in recovery tubes according to heat exchange medium and plant area require segmentation to draw heat exchange medium, further enhance heat
Measure utilization rate.
Wherein, preferably but necessarily positioned at the connection of outlet 54 entrance 52 of most downstream, and then in the outlet of most downstream 54
Circulation loop is formed between entrance 52.Certainly, the outlet 54 of most downstream and entrance 52 can be connected by shape by pipeline herein
At circulation loop, any other mode can also be used, as long as flowing heat exchange medium by the outlet 54 of most downstream
Return to entrance 52.In turn, the rotary kiln heat dissipation recycling component 5 of the present embodiment, recovery tubes form a closed loop knot
Structure when the heat exchange medium temperature at the outlet 54 for measuring most downstream does not reach set temperature value, heat can be handed over
Medium is changed to be passed into recovery tubes by the outlet 54 of most downstream again through entrance 52.In the case of this kind, rotary kiln heat dissipation
Recycling component 5 can make full use of the recuperation of heat ability of heat exchange medium, realize most making full use of to heat exchange medium.
Wherein, " outlet 54 of most downstream " namely：It is passed through heat exchange medium from entrance 52, heat exchange medium is along recuperation of heat
Pipe flowing, wherein the outlet 54 that heat exchange medium finally passes through is exactly the outlet 54 of most downstream.
Further, it is provided with check-valves 7 in the outlet 54 to the circulation loop between entrance 52 of most downstream, the non-return
Valve 7 is used to prevent heat exchange medium from flowing to the outlet 54 of most downstream from entrance 52, namely the heat exchange on circulation loop is prevented to be situated between
Matter reverse flow.
In the present embodiment, heat exchange medium concrete type is unlimited, as long as can carry out heat exchange with rotary kiln 3 and then realize
Recuperation of heat.
One of situation, heat exchange medium are liquid, such as heat exchange medium can be using being easy to get and at low cost
Water, can also using oil be used as heat exchange medium.In the case of this kind, it can be set between the outlet 54 and entrance 52 of most downstream
Set circulating pump.Other positions can also be arranged in certain circulating pump.
Another situation, heat exchange medium are gas.In the case of this kind, it is arranged between the outlet 54 and entrance 52 of most downstream
Circulating fan.Equally, circulating fan also can be set in other positions.
In the present embodiment, other than the outlet 54 of most downstream, remaining outlet 54 can connect plant area's steam pipe
Or plant area's high-temperature flue gas pipe, entrance 52 can connect plant area general pipeline.Wherein, when heat exchange medium is water, then it is left
Outlet 54 can connect plant area's steam pipe；When heat exchange medium is gas, then remaining outlet 54 can connect factory
Area's high-temperature flue gas pipe.In the case of this kind, rotary kiln heat dissipation recycling component 5 provides heat exchange medium using the facility of plant area and recycles
Heat, and then it can make full use of existing facility and save manufacturing cost.
Fig. 6 is referred to, is respectively arranged with temperature detecting element 9 and control valve 56 at each outlet 54.Wherein, temperature is examined
It surveys element 9 and is used to detect the temperature that flows through or will flow through the heat exchange medium of current outlet 54.Control valve 56 meets：Work as survey
The temperature of heat exchange medium when reach set temperature value, control valve 56 controls current outlet 54 and opens, and makes hot friendship
Medium is changed by current 54 outflow recovery tubes of outlet.When the temperature of heat exchange medium is not up to set temperature value, control
Valve 56 processed controls current outlet 54 and closes, and heat exchange medium is made to continue on recovery tubes flowing.Wherein, for most downstream
Outlet 54 for, when the temperature of heat exchange medium is not up to set temperature value, then heat exchange medium is again through entering
Mouth 52 flows into recovery tubes.
The quantity of Fig. 6 middle outlet 54 be four, be respectively first go out gas/liquid mouth 541, second go out gas/liquid mouth 542, third
Gas/liquid mouth 543 and the 4th goes out gas/liquid mouth 544 out, and the quantity of entrance 52 is one.In Fig. 6, first, which goes out gas/liquid mouth 541, is connected
First outlet/liquid pipe 551, second, which goes out gas/liquid mouth 542, connects the second outlet/liquid pipe 552, and third goes out the connection of gas/liquid mouth 543 the
Three outlets/liquid pipe 553, the 4th, which goes out gas/liquid mouth 544, connects four outlets/liquid pipe 554, and entrance 52 connects air inlet/liquid pipe 53.?
The first control valve 561, the second control valve 562, are respectively arranged in first outlet/liquid pipe 551 to four outlets/liquid pipe 554
Three control valves 563 and the 4th control valve 564 and the first temperature detecting element 9, second temperature detecting element 9, the inspection of third temperature
Element 9 and the 4th temperature detecting element 9 are surveyed, is provided with the 5th control valve 565 in air inlet/liquid pipe 53.Wherein, the first outlet/
Liquid pipe 551 to third outlet/liquid pipe 553 accesses plant area's high-temperature flue gas pipe or plant area's steam pipe, and four outlets/liquid pipe 554 is logical
Cross circulation loop access air inlet/liquid pipe 53.
Certainly, the quantity of outlet 54 and entrance 52 is not limited by citing herein.
In the present embodiment, recovery tubes are preferably necessarily still the helix tube 51 set along 31 disk of kiln ontology, are referred to
Fig. 4 and Fig. 5.In the case of this kind, helix tube 51 and 31 outer surface of kiln ontology are come into full contact with, and can preferably realize recuperation of heat.And
And heat exchange medium is spinned around kiln ontology 31 along helix tube 51 and is moved, and becomes high temperature with 31 radiation heat transfer of kiln ontology in real time
Medium, so that the heat dissipation of 3 kiln ontology 31 of rotary kiln is used more effectively.
Wherein, heat transfer fin 8 can be set between the adjacent tubular segments of helix tube 51, dissipated with reinforcing the radiant type of helix tube 51
The effect of recuperation of heat.The concrete form of heat transfer fin 8 is unlimited, and two kinds of heat transfer fins are set forth in Fig. 8 and Fig. 9 of the present embodiment
8 structure type.In Fig. 8, heat transfer 8 quantity of fin is more and along the circumferentially distributed of helix tube 51, can guarantee helix tube
51 recuperation of heat uniformity.In Fig. 9,8 area of fin is larger but monolithic conducts heat for heat transfer 8 negligible amounts of fin, easy to produce
And the structural strength of helix tube 51 can be reinforced.
In the present embodiment, the cross-sectional area of recovery tubes is unlimited, and preferably but necessarily the cross-sectional area of recovery tubes is in
Round or rectangle.
The above embodiments are only used to illustrate the present invention, rather than limitation of the present invention.Although referring to embodiment to this hair
It is bright to be described in detail, those skilled in the art should understand that, to technical solution of the present invention carry out it is various combination,
Modification or equivalent replacement should all cover and want in right of the invention without departure from the spirit and scope of technical solution of the present invention
It asks in range.
Claims (12)
1. a kind of ring cold machine heat dissipation recycling component, which is characterized in that including the recovery tubes at the hopper of ring cold machine are arranged in,
The recovery tubes include that at least one is used to be passed through the entrance of heat exchange medium and multiple for exporting heat exchange medium
Outlet；Multiple outlets are set gradually along the circulating direction of the heat exchange medium.
2. ring cold machine heat dissipation recycling component according to claim 1, which is characterized in that the outlet positioned at most downstream connects
Lead to the entrance.
3. ring cold machine according to claim 2 heat dissipation recycling component, which is characterized in that export to institute described in the most downstream
State the check-valves that the outlet for preventing the heat exchange medium from flowing to most downstream from the entrance is provided between entrance.
4. ring cold machine heat dissipation recycling component according to claim 2, which is characterized in that the heat exchange medium is liquid,
Circulating pump is provided between the outlet and the entrance of most downstream；
Alternatively,
The heat exchange medium is gas, is provided with circulating fan between the outlet and the entrance of most downstream.
5. ring cold machine according to claim 2 heat dissipation recycling component, which is characterized in that in addition to most downstream the outlet it
Outside, the remaining outlet is for connecting waste heat boiler；The entrance is for connecting plant area general pipeline.
6. ring cold machine heat dissipation recycling component as claimed in any of claims 1 to 5, which is characterized in that multiple described
Exit is respectively arranged with temperature detecting element and control valve, and the temperature detecting element is flowed through or will be flowed for detecting
The temperature of the heat exchange medium through presently described outlet, the control valve meet：When the temperature for measuring the heat exchange medium
When degree reaches set temperature value, the control valve controls presently described port opening, and the heat exchange medium is passed through
It crosses presently described outlet and flows out the recovery tubes；When the temperature of the heat exchange medium is not up to set temperature value,
The control valve controls presently described outlet and closes, and the heat exchange medium is made to continue on the recovery tubes flowing.
7. ring cold machine heat dissipation recycling component as claimed in any of claims 1 to 5, which is characterized in that the heat is returned
Closed tube is the helix tube wound along the outer wall of the hopper.
8. ring cold machine heat dissipation recycling component according to claim 7, which is characterized in that be provided with heat transfer on the helix tube
Fin.
9. a kind of ring cold machine, which is characterized in that including ring cold machine described in any one of hopper and claim 1 to 8
Heat dissipation recycling component.
10. a kind of oxide pellet Preparation equipment, including cloth ball device, drying grate, rotary kiln and the ring cold machine set gradually,
It is characterized in that, the ring cold machine is ring cold machine described in claim 9.
The recovery method 11. a kind of ring cold machine radiates, wherein be provided with recovery tubes at the hopper of ring cold machine, and returned in heat
Circulating direction in closed tube along heat exchange medium sets gradually at least one entrance and multiple outlets；It is characterised in that it includes
Following steps：
Heat exchange medium is passed through in recovery tubes, so that heat exchange medium and hopper carry out heat exchange and temperature increases；
Detect the temperature of each exit heat exchange medium：
Other outlets except the outlet of most downstream are opened when the temperature of heat exchange medium reaches set temperature value
Current outlet is opened so that heat exchange medium flows out recovery tubes from current outlet；Otherwise, current outlet is closed so that heat exchange is situated between
Matter continues on recovery tubes flowing；
Heat is handed over if the temperature of the heat exchange medium in exit does not reach the set temperature value of outlet to(for) most downstream
It changes medium to be passed through in recovery tubes again through entrance, alternatively, flowing out heat exchange medium by the outlet of most downstream
The recovery tubes.
12. according to the method for claim 11, which is characterized in that each outlet port be respectively provided with temperature detecting element and
Control valve, if the corresponding region of temperature detecting element is flowed through with heat exchange medium, temperature detecting element opens and will inspection
Measured data is sent to corresponding control valve, and control valve controls the opening and closing currently exported according to detection data.
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| CN201811003440.7A CN108895849A (en) | 2018-08-30 | 2018-08-30 | Ring cold machine and its heat dissipation recycling component and method, oxide pellet Preparation equipment |
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| CN201811003440.7A CN108895849A (en) | 2018-08-30 | 2018-08-30 | Ring cold machine and its heat dissipation recycling component and method, oxide pellet Preparation equipment |
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Application publication date: 20181127 |