CN209412248U - A kind of high temperature lava granulating system - Google Patents
A kind of high temperature lava granulating system Download PDFInfo
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- CN209412248U CN209412248U CN201821951762.XU CN201821951762U CN209412248U CN 209412248 U CN209412248 U CN 209412248U CN 201821951762 U CN201821951762 U CN 201821951762U CN 209412248 U CN209412248 U CN 209412248U
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- high temperature
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- liquid metal
- temperature lava
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model belongs to cooling equipment technical field, and in particular to a kind of high temperature lava granulating system, including grain box, the actuator for the heat exchanger of recovering liquid metal waste heat and for driving liquid metal to recycle；At least one layer of roller group for granulation is vertically equipped in grain box, roller group includes the roller that two or more are rotatably connected in grain box, the cooling duct passed through for liquid metal is equipped in roller, roller outer wall is equipped with several granulation slots；Cooling duct, heat exchanger and actuator are successively connected to from beginning to end by pipeline, and form the circulation path of closure.Using the embodiment of the utility model, the requirement for completing to be granulated in high temperature lava cooling procedure can satisfy, improve the treatment effeciency of high temperature lava.
Description
Technical field
The utility model belongs to cooling equipment technical field, and in particular to a kind of high temperature lava granulating system.
Background technique
High temperature lava refers to the iron blast furnace slag generated after the Waste Slag generated in industrial smelting process, such as ironmaking, in height
It is in molten under temperature state, therefore also known as high temperature lava, temperature is generally up to 1000-1300 DEG C.In existing smelting process,
Waste slag is usually after broken, then to carry out secondary use after passing through natural cooling, not only make the cooling time in this way
It is long, and the heat of high temperature waste slag cannot be utilized adequately, cause the loss of energy.
Based on the above issues, our company has developed a kind of high temperature lava granulating system, while having developed a kind of liquid metal work
For the alloy that heat exchange medium, the liquid metal are made of gallium, indium, bismuth, aluminium, iron, magnesium and tin, have that fusing point is low, boiling point is high
Characteristic, by liquid metal can to high temperature lava carry out cooling treatment.
Utility model content
The purpose of this utility model is to provide a kind of high temperature lava granulating systems, to meet in high temperature lava cooling procedure
The middle requirement for completing to be granulated, improves the treatment effeciency of high temperature lava.
In order to achieve the above objectives, the base case of the utility model are as follows: a kind of high temperature lava granulating system, including be granulated
Case, the actuator for the heat exchanger of recovering liquid metal waste heat and for driving liquid metal to recycle；It is vertical in grain box
Equipped at least one layer of roller group for granulation, roller group includes the roller that two or more are rotatably connected in grain box
Cylinder, roller is interior to be equipped with the cooling duct passed through for liquid metal, and roller outer wall is equipped with several granulation slots；Cooling duct, heat exchange
Device and actuator are successively connected to from beginning to end by pipeline, and form the circulation path of closure.
The working principle and beneficial effect of this base case are:
1, the high temperature lava of molten is fallen in grain box, and passes sequentially through the liquid metal in roller group and roller
Heat exchange occurs to be cooled down, roller group carries out water conservancy diversion to the direction that liquid metal flows through, and setting is granulated slot on roller, increases roller
The contact area of cylinder and high temperature lava accelerates cooling efficiency.Slot is granulated simultaneously to carry out shaping the high temperature lava in cooling procedure,
Multilayer roller group is set, is since high temperature lava temperature is higher, it is longer to reach cooling procedure required for the critical point of phase transformation,
The critical point of phase transformation can not be reached merely through the effect of one layer of roller group, therefore at least one layer of roller group is set, to downward
The high temperature lava bed layer fallen is cooling, and is being granulated in slot since high temperature lava can be fallen, when high temperature lava reaches facing for phase transformation
When boundary's point, it is granulated slot and high temperature lava is carried out shaping, be allowed to be formed more regular graininess.
2, actuator driving liquid metal passes sequentially through inside cooling duct, heat exchanger and actuator, is eventually returned to cold
But in channel, the circulation of liquid metal is realized, by circulation of the liquid metal in cooling duct, liquid metal and high temperature lava
Heat exchange occurs, absorbs the heat of high temperature lava, high temperature lava is cooled down.The liquid metal for absorbing heat enters heat exchange
Cooling, heat are recycled in device, and circulation, cooling high-temperature particle can be continued to participate in after cooling.Realize heat
Collection utilization, and recycled by liquid metal and complete cooling, it is more environmentally friendly.
Further, roller includes outer cylinder and the inner cylinder that is fixed in outer cylinder, inner barrel and outer barrel coaxial arrangement, and the cooling is logical
Interlayer of the road between inner barrel and outer barrel；Slot is granulated to be arranged on the outer wall of outer cylinder.
The utility model has the advantages that comparing the setting of single layer cylinder, the volume of one side cooling duct is larger, needs more liquid metal
Circulation is participated in, entreprise cost is improved；On the other hand, need by barrel be arranged it is thicker, to increase the anti-shot ability of barrel, avoid height
Warm particles hit barrel simultaneously forms recess on barrel.
Roller in the present apparatus is set as double-deck, so that the cooling duct stream that liquid metal is formed between inner cylinder and outer cylinder
Dynamic, the volume of one side cooling duct greatly reduces, to reduce the amount liquid metal for participating in circulation, thereby reduces enterprise
The cost of industry；On the other hand, the liquid metal flowed in the cooling duct of annular, liquid metal are made by the support of inner cylinder
With being equivalent to form one layer of annular protective film and protect outer cylinder, even if high-temperature particle strikes on outer cylinder and in outer cylinder
Upper formation recess, also can be avoided it from being formed larger by the buffer function of liquid metal and be difficult to the damage restored, simultaneously because
Liquid metal is continual to be passed into cooling duct, a relatively stable pressure is formed in cooling duct, by certain
Time realizes the reset of outer cylinder recess using the pressure action in cooling duct.Therefore the double-deck knot is set by roller
Structure, can be relatively thin by the setting of the barrel of outer cylinder, further decreases the cost of enterprise.
Further, inner cylinder is hollow and inner cylinder both ends are all closed.
The utility model has the advantages that reducing the weight of roller entirety, while the required material of inner cylinder manufacture is decreased, thus the system of saving
Cause this.Inner cylinder both ends are all closed, and liquid metal is avoided to enter in inner cylinder.
Further, heat exchanger is arranged between the outlet end of cooling duct and the liquid feeding end of actuator, and the actuator is
Mechanical pump.
The utility model has the advantages that comparing electromagnetic pump, the cost of mechanical pump is lower, but due to mechanical pump non-refractory, existing skill
It is mostly driven using electromagnetic pump in the cooling cycle process of art.Heat exchanger and high temperature are set in circulation path in this cooling system
Liquid metal of the particle Jing Guo heat exchange enters in heat exchanger, cools down in heat exchanger, and heat is recycled, after cooling
By mechanical pump, mechanical pump will not be damaged.
Further, further include the liquid reserve tank being connected in circulation path.
The utility model has the advantages that liquid reserve tank is equivalent to the transfer correspondence of liquid metal, a large amount of liquid gold in liquid metal cyclic process
Category stops in liquid reserve tank, so that the amount liquid metal for participating in circulation increases.Meanwhile after high-temperature particle completes cooling, liquid gold
Belong to and stop circulation, the temperature of liquid metal gradually decreases, and in winter in the environment of northern low temperature, liquid metal be may eventually form
Solid-state.It directly being stored compared to liquid metal in the duct, solid liquid metal is easy so that pipeline is stiff, if things go on like this, pipe
Road needs to be replaced frequently.Liquid reserve tank is set in the present apparatus, and a large amount of liquid metals can be stored in liquid reserve tank, and liquid metal exists
It is convenient to be overhauled by liquid reserve tank when going wrong in cyclic process, it is overhauled without dismantling pipeline.
Further, the outlet end of cooling duct is communicated with rotary seal structure, and the liquid feeding end of cooling duct is communicated with rotation
Connector, rotary seal structure are the high temperature rotary joint of heat-resisting material production.
The utility model has the advantages that liquid metal is in cooling duct and heat exchange occurs for high-temperature particle, and when flowing out cooling duct, temperature
Degree is higher, the high temperature rotary joint using high temperature resistant material is needed, to extend the service life of rotary joint.
Further, liquid reserve tank is arranged between the outlet end of cooling duct and the liquid feeding end of heat exchanger, rotary seal structure
It is connected with liquid reserve tank rotary seal.
The utility model has the advantages that since rotary seal structure needs to rotate together with outer cylinder, if rotary seal structure is direct
It is connected to corresponding pipeline, needs that rotary seal mechanism is arranged in corresponding pipeline, compared to rotary seal is directly arranged on pipeline
Rotational sealing structure rotary seal structure more convenient to install is arranged on liquid reserve tank, is used for without being additionally arranged for structure
The connection structure of rotary joint is installed.
Further, rotary seal structure is connected with liquid reserve tank by comb tooth sealing structure.
The utility model has the advantages that not including the part that spring, seal washer etc. can fail at high temperature in comb tooth sealing structure, in height
Preferable sealing effect can be still kept when using under warm environment, effectively liquid is avoided to reveal.
Further, liquid reserve tank is equipped with manhole, and the baffle for sealing manhole is removably connected on liquid reserve tank.
The utility model has the advantages that can dismantle baffle when liquid metal goes wrong in cyclic process, facilitate and overhauled.
Further, manhole and baffle are arranged at liquid storage upper box part, and are arranged at one of liquid reserve tank far from grain box
On the side wall of side.
The utility model has the advantages that on the one hand, in liquid metal cyclic process, liquid reserve tank is equivalent to the transfer correspondence of liquid metal, largely
Liquid metal stopped in liquid reserve tank, due to enter liquid reserve tank in liquid metal temperature it is higher, suffered by the lower part of liquid reserve tank
Pressure is larger, if then baffle is easily damaged by pressure action by manhole and baffle plate setting in lower part, and is difficult to ensure preferably
Leakproofness be easy to cause safety accident once the liquid metal of high temperature is excessive, therefore it is in the present apparatus that manhole and baffle is equal
It is arranged in liquid storage upper box part；On the other hand, it is limited by the work condition environment of actual production, by baffle plate setting on top, is easily opened
Baffle avoids interfering with other positions in the present apparatus.
Detailed description of the invention
Fig. 1 is the schematic diagram of the utility model embodiment；
Fig. 2 is the structural schematic diagram of rotary seal structure in Fig. 1；
Fig. 3 is the structural schematic diagram of Fig. 1 in the middle of the roller；
Fig. 4 is the enlarged drawing in Fig. 3 at A.
Specific embodiment
It is further described below by specific embodiment:
Appended drawing reference in Figure of description includes: grain box 1, liquid reserve tank 2, rotary seal structure 3, rotary joint 4, machine
Tool pump 5, outer cylinder 7, baffle 8, diversion trench 9, grain export 10, connecting rod 11, rotation comb teeth 12, inner cylinder 13, is granulated slot at heat exchanger 6
14, cooling duct 15.
Embodiment is basic as shown in attached drawing 1 and Fig. 3: a kind of high temperature lava granulating system, including for making to high temperature lava
Grain grain box 1, for the liquid reserve tank 2 of storing liquid metal, for the heat exchanger 6 of recovering liquid metal waste heat and for driving
The actuator of hydrodynamic state metal circulation, in the present embodiment, actuator chooses mechanical pump 5.In the present embodiment, cooling cycle is participated in
Liquid metal be disclosed in the patent of Patent No. 201410268984.1 by mass fraction be gallium 37%, indium 22%, bismuth
18.6%, the alloy that the fusing point that aluminium 3%, iron 2%, magnesium 2.4% and tin 15% form is 3 DEG C, preparation method can refer to this specially
Method disclosed in benefit.
Grain box 1 includes sequentially connected in the diversion trench 9 of back taper, cabinet and in the grain out of positive cone from top to bottom
Mouthfuls 10, it is vertically equipped at least one layer of roller group in cabinet, in the present embodiment, three layers of roller group is set.Roller group include two or
Two or more is rotatably connected on the roller in grain box 1, and every layer of roller group includes that there are two roller, roller packets in the present embodiment
The outer cylinder 7 for including inner cylinder 13 and being fixed on outside inner cylinder 13, inner cylinder 13 is hollow and 13 both ends of inner cylinder are all closed, and the length of inner cylinder 13 is small
In the length of outer cylinder 7.More connecting rods 11 are fixed between the outer wall of inner cylinder 13 and the inner wall of outer cylinder 7, inner cylinder 13 and outer cylinder 7 are same
Axis setting, forms cooling duct 15 between inner cylinder 13 and outer cylinder 7.
As shown in connection with fig. 3, the both ends of inner cylinder 13 are welded with hollow shaft, and hollow shaft, which runs through the both ends of outer cylinder 7 and runs through, to be made
Grain box 1 is simultaneously stretched out in the both ends of grain case 1, is fixed in same roller group and in two ipsilateral hollow shafts intermeshing
Gear, in the present embodiment, gear is mounted in the hollow shaft in left side.This granulating system further includes rotating for driving roller group
Motor, a hollow shaft in the output shaft and roller group of motor are driven by gear set, i.e., also fixed on the output shaft of motor
Have and the gear meshed gears in the hollow shaft.The outer wall of outer cylinder 7 is equipped with several granulation slots 14, is granulated the cross section of slot 14
Semicircular in shape.
As shown in connection with fig. 4, hollow shaft is located at the part in cooling duct 15 equipped with the fluid apertures being connected to cooling duct 15, position
In being communicated with rotary seal structure 3 in the hollow shaft on right side, rotary seal structure 3 is made of heat-resisting material, this implementation
In example, high temperature resistant material selects 2520 high temperature resistant stainless steels.As shown in connection with fig. 2, rotary seal structure 3 includes sleeve, and sleeve is left
End and hollow shaft are integrally formed, and sleeve right end rotary seal is connected on liquid reserve tank 2, and sleeve right end outer periphery is radially provided with several
Rotation comb teeth 12 annular in shape, liquid reserve tank 2 are equipped with several fixed broach matched with rotation comb teeth 12, rotate 12 He of comb teeth
Fixed broach collectively constitutes comb tooth sealing structure.Rotating the gap between comb teeth 12 and fixed broach is gap a, rotates comb teeth 12
The gap between adjacent fingers in (or fixed broach) is gap b, and gap a will be much smaller than gap b.3 turns of rotary seal structure
When dynamic, due to there is the liquid metal of high temperature at comb tooth sealing structure, pressure is larger, and the liquid metal in liquid reserve tank 2 is close to comb teeth
It is flowed at seal structure, i.e., liquid metal flows from high pressure at low pressure, and liquid metal enters the through first gap a first
In one gap b, since gap a will be much smaller than gap b, i.e. it is relatively very big to enter one out of very little gap a for liquid metal
Gap b in, liquid metal forms a very strong whirlpool in first gap b, so that liquid metal is in gap b
Interior speed increases rapidly, and is based on formula PV=C, and the pressure in first gap b can reduce.And then liquid metal is from first
A gap b is entered in second gap b through second gap a, and the pressure in second gap b is further based on the above principles
Reduce, this process is gradually reduced the pressure difference of comb teeth two sides, and for each comb teeth, two sides pressure difference reduces, liquid gold
The power for belonging to flowing reduces, to reduce the leakage rate of liquid metal, achievees the effect that sealing.
Hollow shaft positioned at left side is rotatably connected to rotary joint 4, the model W.H.P.T supply of rotary joint 4
RSB28M16L04N3 high-speed joint 4.Rotary joint 4 is fixedly connected with the outlet end of mechanical pump 5 by pipeline.
2 right upper portion of liquid reserve tank is equipped with manhole, and the baffle 8 for blocking manhole is removably connected on liquid reserve tank 2,
In the present embodiment, baffle 8 is bolted on liquid reserve tank 2, and graphite linings are equipped between baffle 8 and liquid reserve tank 2, and graphite linings are used
Leakproofness between raising baffle 8 and liquid reserve tank 2.
Cooling duct 15, liquid reserve tank 2, heat exchanger 6 and mechanical pump 5 are successively connected to from beginning to end by pipeline, and form closure
Circulation path, liquid metal in the circulation path in circulating clockwise, pipe used in the circulation path
Road is steel pipe.
Specific implementation process is as follows:
Operator starts mechanical pump 5, and mechanical pump 5 drives liquid metal circulation, and liquid metal is successively by cooling duct
15, after liquid reserve tank 2, heat exchanger 6 and mechanical pump 5, cooling duct 15 is flowed back to again, completes one cycle.
Start motor, two rollers of motor driven roller group rotate towards each other, and the high temperature lava of molten falls to granulation
In case 1, and multiple groups roller is passed sequentially through, heat exchange occurs for the liquid metal in high temperature lava and cooling duct 15, and heat is by liquid
State Metal absorption completes the cooling to high temperature lava.The liquid metal for absorbing heat enters cooling, heat in heat exchanger 6
It is recycled, the heat of recycling can be used to carry out the activity that boiler heating etc. needs to consume more heat transfer, to reach a high temperature
The purpose that lava waste heat recycles.Circulation, cooling high temperature lava can be continued to participate in after liquid metal cooling.
Roller group carries out water conservancy diversion to liquid metal, and setting is granulated slot 14 on roller, increases the contact of roller and high temperature lava
Area accelerates cooling efficiency.Slot 14 is granulated simultaneously to carry out shaping the high temperature lava in cooling procedure.Multilayer roller group is set,
High temperature lava bed layer sizing to falling downwards, is allowed to be formed more regular graininess, that is, completes to be granulated.
Above-described is only the embodiments of the present invention, and the common sense such as well known specific structure and characteristic are herein in scheme
It does not describe excessively.It should be pointed out that for those skilled in the art, in the premise for not departing from the utility model structure
Under, several modifications and improvements can also be made, these also should be considered as the protection scope of the utility model, these all will not influence
The effect and patent practicability that the utility model is implemented.
Claims (10)
1. a kind of high temperature lava granulating system, it is characterised in that: including grain box, for the heat exchanger of recovering liquid metal waste heat
And the actuator for driving liquid metal to recycle；At least one layer of roller group for granulation, roller are vertically equipped in grain box
Cylinder group includes that two or more are rotatably connected on the roller in grain box, is equipped with the cooling passed through for liquid metal in roller
Channel, roller outer wall are equipped with several granulation slots；Cooling duct, heat exchanger and actuator are successively connected to from beginning to end by pipeline,
And form the circulation path of closure.
2. a kind of high temperature lava granulating system according to claim 1, it is characterised in that: the roller includes outer cylinder and consolidates
The inner cylinder being scheduled in outer cylinder, inner barrel and outer barrel coaxial arrangement, interlayer of the cooling duct between inner barrel and outer barrel；It is granulated slot
It is arranged on the outer wall of outer cylinder.
3. a kind of high temperature lava granulating system according to claim 2, it is characterised in that: the inner cylinder is hollow and inner cylinder two
End is all closed.
4. a kind of high temperature lava granulating system according to claim 1, it is characterised in that: the heat exchanger is arranged in cooling
Between the outlet end in channel and the liquid feeding end of actuator, the actuator is mechanical pump.
5. a kind of high temperature lava granulating system according to claim 1, it is characterised in that: further include connection in circulation path
In liquid reserve tank.
6. a kind of high temperature lava granulating system according to claim 5, it is characterised in that: the outlet end of the cooling duct
It is communicated with rotary seal structure, the liquid feeding end of cooling duct is communicated with rotary joint, and rotary seal structure is heat-resisting material system
The high temperature rotary joint of work.
7. a kind of high temperature lava granulating system according to claim 6, it is characterised in that: the liquid reserve tank is arranged in cooling
Between the outlet end in channel and the liquid feeding end of heat exchanger, rotary seal structure is connected with liquid reserve tank rotary seal.
8. a kind of high temperature lava granulating system according to claim 7, it is characterised in that: the rotary seal structure and storage
Liquid case is connected by comb tooth sealing structure.
9. a kind of high temperature lava granulating system according to claim 5, it is characterised in that: the liquid reserve tank is equipped with maintenance
Hole is removably connected with the baffle for sealing manhole on liquid reserve tank.
10. a kind of high temperature lava granulating system according to claim 9, it is characterised in that: the manhole and baffle are equal
It is arranged in liquid storage upper box part, and is arranged at liquid reserve tank far from the side side wall of grain box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821951762.XU CN209412248U (en) | 2018-11-23 | 2018-11-23 | A kind of high temperature lava granulating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821951762.XU CN209412248U (en) | 2018-11-23 | 2018-11-23 | A kind of high temperature lava granulating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209412248U true CN209412248U (en) | 2019-09-20 |
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ID=67935223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821951762.XU Active CN209412248U (en) | 2018-11-23 | 2018-11-23 | A kind of high temperature lava granulating system |
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|---|---|
| CN (1) | CN209412248U (en) |
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2018
- 2018-11-23 CN CN201821951762.XU patent/CN209412248U/en active Active
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