CN207030968U - Prepare the device of granulated carbide - Google Patents
Prepare the device of granulated carbide Download PDFInfo
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- CN207030968U CN207030968U CN201720665716.2U CN201720665716U CN207030968U CN 207030968 U CN207030968 U CN 207030968U CN 201720665716 U CN201720665716 U CN 201720665716U CN 207030968 U CN207030968 U CN 207030968U
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Abstract
The utility model discloses a kind of device for preparing granulated carbide, including：Furnace of calcium carbide, cooling chamber and transfer roller, the receiving space for accommodating carbide liquid is limited in furnace of calcium carbide, and furnace of calcium carbide is provided with liquid outlet；There is inertia cooling gas in cooling chamber, cooling chamber is located at the lower section of furnace of calcium carbide, and liquid outlet connects with cooling chamber；Transfer roller is rotatably arranged at below liquid outlet, at least a portion of transfer roller is located in cooling chamber, transfer roller be configured to carbide liquid from liquid outlet drop down onto on transfer roller when, shock occurs for transfer roller and carbide liquid carbide liquid is formed drop, drop is solidified into granulated carbide in cooling chamber.According to the device for preparing granulated carbide of the utility model embodiment, granulated carbide is produced using high temperature carbide liquid, eliminate the broken process in calcium carbide application process, improve the production efficiency of granulated carbide and the uniformity of granulated carbide granularity, accelerate the cooldown rate of calcium carbide, the cool time of calcium carbide is shortened, eliminates the crucible needed for calcium carbide cooling and the place needed for cooling.
Description
Technical field
Technical field of calcium carbide production is the utility model is related to, more particularly, to a kind of device for preparing granulated carbide.
Background technology
In correlation technique, calcium carbide production is with carbon raw material (coal, coke, semicoke etc.) and calcic raw material (calcium oxide, hydrogen-oxygen
Change calcium, calcium carbonate etc.) it is heated to 1800 DEG C~2200 DEG C generation calcium carbides (CaC2) in electric heating environment.After the completion of calcium carbide production, produce
Need calcium carbide being crushed to certain particle size before product packaging, and in application process, it usually needs by calcium carbide and water reaction generation second
Alkynes gas.To ensure the stability got angry, higher is required to calcium carbide particle size uniformity.However, first carbide liquid is coagulated in correlation technique
Gu into solid, then it broken processing technology is carried out to solid-state calcium carbide can not ensure the uniformity of calcium carbide granularity.
In addition, the energy consumption in calcium carbide production process is very big, calcium carbide power consumption per ton is and real up to 3200~4000KWh/t calcium carbides
Producing one ton of calcium carbide on border in theory only needs 1630KWh electric.Wherein high-temperature liquid state calcium carbide production when temperature actual measurement up to 1950~
2000 DEG C, calcium carbide liquid with sensible heat and the carbide liquid heat of transformation two account for that electric power feeds heat with heat 24.2%, institute's band
Sensible heat is considerable.How this part sensible heat is utilized to turn into calcium carbide industry urgent problem to be solved.
Utility model content
The utility model is intended at least solve one of technical problem present in prior art.Therefore, the utility model carries
Go out a kind of device for preparing granulated carbide, one purpose is that the device for preparing granulated carbide produces granular electricity using carbide liquid
Stone, technique is simple and the epigranular of granulated carbide, another object are the sensible heat in recycling calcium carbide manufacturing process.
According to the device for preparing granulated carbide of the utility model embodiment, including：Furnace of calcium carbide, the furnace of calcium carbide is interior to be limited
Go out the receiving space for accommodating carbide liquid, the furnace of calcium carbide is provided with liquid outlet；Cooling chamber, the cooling chamber is interior to have inertia cold
But gas, the cooling chamber are located at the lower section of the furnace of calcium carbide, and the liquid outlet connects with the cooling chamber；And transfer roller, it is described
Transfer roller is rotatably arranged at below the liquid outlet, and at least a portion of the transfer roller is located in the cooling chamber, the transfer roller
Be configured to the carbide liquid from the liquid outlet drop down onto on the transfer roller when, shock occurs for the transfer roller and the carbide liquid makes
The carbide liquid forms drop, and the drop is solidified into granulated carbide in the cooling chamber.
According to the device for preparing granulated carbide of the utility model embodiment, by setting cooling chamber below liquid outlet,
And at least a portion of transfer roller is arranged in cooling chamber, it can fall from the carbide liquid of liquid outlet outflow and be sent out on transfer roller with transfer roller
Raw to hit, the carbide liquid after shock outwards splashes to form drop, and drop is in the environment for forcing cooling, in the effect of surface tension
Under be punctured into spherical and gradual curing molding and form granulated carbide, it is individually separated that granulated carbide surface forms one layer of duricrust.
Thus, it is possible to using high temperature carbide liquid produce granulated carbide (for example, spherical calcium carbide), using carbide liquid potential energy and
Carbide liquid is caused ball by the rod that turns of cooling chamber internal rotation, eliminates the broken process in calcium carbide application process, is realized calcium carbide and is gone out
The closed operation of stove, reduces environmental pollution, and avoids the production efficiency that calcium carbide aoxidizes and improves granulated carbide at high temperature
With the uniformity of granulated carbide granularity, while the cooldown rate of calcium carbide is accelerated, shorten the cool time of calcium carbide, eliminate electricity
The place needed for crucible and cooling needed for stone cooling.
According to some embodiments of the utility model, the device for preparing granulated carbide further comprises：Liquid separation groove, institute
Liquid separation groove to be stated to be located between the furnace of calcium carbide and the cooling chamber, the liquid separation groove has liquid separation entrance and multiple liquid separations outlet,
The liquid separation entrance is connected with the liquid outlet, and multiple liquid separation outlets are distributed on the bottom wall of the liquid separation groove, often
The individual liquid separation outlet connects with the cooling chamber respectively.Carbide liquid is divided into thus, it is possible to be exported by the liquid separation of liquid separation groove
Multiply liquid stream, improve the production efficiency of granulated carbide.
According to some embodiments of the utility model, the device for preparing granulated carbide further comprises：Chute, it is described
Chute is connected with the cooling chamber, and chute walls are provided with cooling device, and the chute is configured to the granulated carbide from institute
State and the granulated carbide is cooled down while cooling chamber is transferred out.
Specifically, chute walls are provided with coil pipe or tubulation forms water wall structure, have cooling liquid stream in coil pipe or tubulation
Road, or, runner is provided with the inwall of the chute and forms water wall structure, there is the runner flow channel entry point and runner to go out
Mouthful, the coolant circulated between the flow channel entry point and the runner exit is provided with the runner；The preparation grain
The device of shape calcium carbide still further comprises：Steamdrum, the steamdrum and the flow passage are to collect the steaming in the runner
Vapour.Thus, it is possible to the heat collection that granulated carbide is exchanged with coolant, the drying for generating electricity or for carbide raw material
And preheating, so as to reclaim the partial heat in calcium carbide, reduce the waste of energy.
Specifically, the outer surface of the transfer roller is provided with least one groove, the groove by the transfer roller outer surface
Inwardly concave to be formed.Thus, it is possible to improve the shock kinetic energy of carbide liquid and transfer roller, ensure that carbide liquid is dispersed into after being hit with transfer roller
Drop, and can further reduce the granularity of drop.
According to some embodiments of the utility model, the device for preparing granulated carbide further comprises：Feeder,
The feeder connects with the cooling chamber, and the feeder is configured to convey the inertia cooling to the cooling chamber
Gas.
According to some further embodiments of the present utility model, preparing the device of granulated carbide also includes heat recovery system
System, the heat recovery system include：Waste heat boiler, the waste heat boiler is interior to have water；Air-introduced machine, the air-introduced machine have wind
Machine entrance and fan outlet, the fans entrance connect with the cooling chamber, the waste heat boiler be located at the fans entrance and
Between the cooling chamber, the air-introduced machine be configured to the air-flow in the cooling chamber being pumped in the waste heat boiler so that
The air-flow enters the air-introduced machine with the water heat exchange in the waste heat boiler, the air-flow after heat exchange and gone out from the blower fan
Mouth discharge；Heat utilization device, the heat utilization device are connected with the waste heat boiler to collect or using in the waste heat boiler
Caused steam.
Alternatively, the fan outlet is connected with the cooling chamber so that the air-flow after heat exchange is delivered into the cooling
Room.
According to some embodiments of the utility model, the heat recovery system further comprises：Dust arrester, it is described to remove
Dirt device is located between the waste heat boiler and the cooling chamber, and the dust arrester is configured to entering the waste heat boiler
Interior air-flow carries out dust removal by filtration.
Specifically, the dust arrester includes：Cyclone separator, the cyclone separator connect with the cooling chamber；Pottery
Porcelain filter, the ceramic filter are connected between the cyclone separator and the waste heat boiler；Dust collecting trough, the dust
Groove is connected with the cyclone separator, the ceramic filter to collect the cyclone separator and the ceramic filter respectively
The dust separated.
Additional aspect and advantage of the present utility model will be set forth in part in the description, partly by from following description
In become obvious, or by it is of the present utility model practice recognize.
Brief description of the drawings
Of the present utility model above-mentioned and/or additional aspect and advantage will in the description from combination accompanying drawings below to embodiment
Become obvious and be readily appreciated that, wherein：
Fig. 1 is the schematic diagram according to the device for preparing granulated carbide of the utility model embodiment.
Reference：
Furnace of calcium carbide 1, cooling chamber 2, exhaust fume collecting hood 21, coaming plate 22,
Transfer roller 3, drive device 4, liquid separation groove 5, connecting tube 51,
Chute 6, steamdrum 61,
Feeder 7,
Waste heat boiler 81, air-introduced machine 82, fans entrance 821, fan outlet 822, heat utilization device 83,
Cyclone separator 91, ceramic filter 92, dust collecting trough 93.
Granulated carbide 10.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, is only used for explaining the utility model, and it is not intended that to of the present utility model
Limitation.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " suitable
The orientation or position relationship of the instruction such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " are based on orientation shown in the drawings
Or position relationship, be for only for ease of description the utility model and simplify and describe, rather than instruction or imply signified device or
Element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limit of the present utility model
System.In addition, define " first ", one or more this feature can be expressed or be implicitly included to the feature of " second ".
In description of the present utility model, unless otherwise indicated, " multiple " are meant that two or more.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
The device for preparing granulated carbide 10 below with reference to Fig. 1 descriptions according to the utility model embodiment.
As shown in figure 1, according to the device for preparing granulated carbide 10 of the utility model one embodiment, including furnace of calcium carbide 1,
Cooling chamber 2 and transfer roller 3.
Specifically, the receiving space for accommodating carbide liquid is limited in furnace of calcium carbide 1, furnace of calcium carbide 1 is provided with liquid outlet.Its
In, furnace of calcium carbide 1 can be the calcium carbide discharging stove in calcium carbide production process.Carbide liquid is quick lime and coke in calcium carbide production process
The liquid calcium carbide of generation is reacted after heating.The temperature of carbide liquid is more than 1750 DEG C, and observed temperature when carbide liquid is come out of the stove reaches
1950 DEG C~2000 DEG C.The liquid outlet of furnace of calcium carbide 1 can form the side bottom or bottom in furnace of calcium carbide 1, and alternatively, liquid outlet can
Think multiple.
There is inertia cooling gas in cooling chamber 2, cooling chamber 2 is located at the lower section of furnace of calcium carbide 1, and liquid outlet connects with cooling chamber 2
It is logical.Transfer roller 3 is rotatably arranged at below liquid outlet, and at least a portion of transfer roller 3 is located in cooling chamber 2, and transfer roller 3 is configured to electricity
Stone liquid from liquid outlet drop down onto on transfer roller 3 when, shock occurs for transfer roller 3 and carbide liquid carbide liquid is formed drop, drop is in cooling chamber 2
Inside it is solidified into granulated carbide 10.
Alternatively, inertia cooling gas is flue gas or argon gas, wherein, the main component of flue gas is CO2.Cooling chamber 2
Exhaust fume collecting hood 21 and coaming plate 22 can be included, coaming plate 22 is arranged on the lower section of exhaust fume collecting hood 21, limited between coaming plate 22 and exhaust fume collecting hood 21
Go out the space for accommodating inertia cooling gas.Thus, when carbide liquid flows into cooling chamber 2 from liquid outlet, inertia cooling gas
It can prevent carbide liquid from oxidation occurs and carbide liquid can be cooled down.
Specifically, reference picture 1, transfer roller 3 can be formed as cylindric, and transfer roller 3 can pass through (such as the motor of drive device 4
Deng) drive its edge to rotate clockwise or counterclockwise.The rotating speed of transfer roller 3 can be adjusted according to needs of production.Wherein,
Whole transfer roller 3 can be arranged in cooling chamber 2, a part for transfer roller 3 can also be arranged in cooling chamber 2.For example, scheming
In 1 example, the top half of transfer roller 3 is arranged in cooling chamber 2.Thus, can fall turning from the carbide liquid of liquid outlet outflow
Hit on roller 3 with transfer roller 3, the carbide liquid after shock outwards splashes to form drop, drop force cooling environment in,
Spherical and gradual curing molding is punctured into the presence of surface tension and forms granulated carbide 10, the surface of granulated carbide 10 forms one layer
Duricrust is individually separated, and is dropped down onto in the rotation downslide of transfer roller 3 in cooling chamber 2.
According to the device for preparing granulated carbide 10 of the utility model embodiment, by setting cooling chamber below liquid outlet
2, and at least a portion of transfer roller 3 is arranged in cooling chamber 2, from the carbide liquid of liquid outlet outflow can fall on transfer roller 3 with
Transfer roller 3 hits, and the carbide liquid after shock outwards splashes to form drop, and drop is in the environment for forcing cooling, on surface
Spherical and gradual curing molding is punctured into the presence of power and forms granulated carbide 10, it is each that the surface of granulated carbide 10 forms one layer of duricrust
From separation.
Thus, it is possible to produce granulated carbide 10 (for example, spherical calcium carbide) using high temperature carbide liquid, the potential energy of carbide liquid is utilized
Carbide liquid is caused into ball with the rod that turns of the internal rotation of cooling chamber 2, the broken process in calcium carbide application process is eliminated, realizes calcium carbide
Come out of the stove closed operation, reduce environmental pollution, and avoid the production that calcium carbide aoxidizes and improves granulated carbide 10 at high temperature
The uniformity of efficiency and the granularity of granulated carbide 10, while the cooldown rate of calcium carbide is accelerated, the cool time of calcium carbide is shortened, is saved
The crucible needed for calcium carbide cooling and the place needed for cooling are fallen.
According to some embodiments of the utility model, the device for preparing granulated carbide 10 further comprises liquid separation groove 5.Liquid separation
Groove 5 is located between furnace of calcium carbide 1 and cooling chamber 2, and there is liquid separation groove 5 liquid separation entrance and multiple liquid separations to export, and liquid separation entrance is with going out liquid
Mouth connection, multiple liquid separations outlets are distributed on the bottom wall of liquid separation groove 5, and each liquid separation outlet connects with cooling chamber 2 respectively.By
This, can be exported by the liquid separation of liquid separation groove 5 carbide liquid being divided into multiply liquid stream, improve the production efficiency of granulated carbide 10.
Specifically, liquid separation groove 5 can be formed generally as taper, or liquid separation groove 5 can be formed as top as rectangle, bottom
For the structure of taper.The length of liquid separation groove 5 can be substantially the same with the axial length of transfer roller 3.Wherein, the length of liquid separation groove 5, height
The specific size of degree and width can be according to practical condition adjusted design.For example, more of the present utility model specific real
Apply in example, the width of liquid separation groove 5 can be 0.3m~0.8m.For example, the width of liquid separation groove 5 can be 1.0m.
Alternatively, multiple liquid separation outlets uniform intervals are set.Wherein, the spacing A between two adjacent liquid separations outlet can
To meet 5cm≤A≤10cm.Its concrete numerical value can adjust according to actual conditions to be related to, and the utility model is not made specifically to this
Limit.For example, the spacing A between adjacent two liquid separations outlet can further meet A=5cm, A=10cm, A=15cm
Deng.Carbide liquid is divided into multiply liquid stream thus, it is possible to be exported by the liquid separation of liquid separation groove 5, improves the production of granulated carbide 10
Efficiency.
Alternatively, liquid separation outlet can be formed as the shapes such as circle, ellipse, Long Circle.For example, when liquid separation exports to be formed
For circular port when, liquid separation outlet aperture D can meet：1cm≤D≤2cm.The aperture of liquid separation outlet can further meet：D
=1cm, D=1.5cm, D=2cm etc..Thus, it is possible to reduce the liquid stream size of the carbide liquid in liquid separation exit, ensure from liquid separation
The liquid stream of outflow is exported with disperseing to form drop after the shock of transfer roller 3.
Specifically, liquid separation outlet can be connected by connecting tube 51 with cooling chamber 2, and connecting tube 51 vertically extends,
The lower surface of connecting tube 51 meets to the distance between the surface of transfer roller 3 L：2m≤L≤4m.Thus, it is possible to increase the gesture of carbide liquid
Can, the kinetic energy that carbide liquid hits with transfer roller 3 is improved, thereby may be ensured that after the liquid stream of liquid separation outlet outflow is hit with transfer roller 3
It is scattered to form drop, and the granularity of drop can be reduced.
According to some specific embodiments of the present utility model, the inner lining refractory of liquid separation groove 5.Thus, it is possible to improve point
The reliability of liquid bath 5.
Alternatively, the outer surface of transfer roller 3 is provided with least one groove, and groove inwardly concaves shape by the outer surface of transfer roller 3
Into.Wherein, groove can be with one or more.In a preferred embodiment of the present utility model, groove is multiple and multiple
Groove uniform intervals are distributed on the outer surface of transfer roller 3.The section of its further groove can be formed as polygon (for example, triangle,
Square, rectangle, trapezoidal etc.), semicircle, half elliptic etc..Thus, it is possible to the shock kinetic energy of carbide liquid and transfer roller 3 is improved,
Ensure that carbide liquid is dispersed into drop after being hit with transfer roller 3, and can further reduce the granularity of drop.
For example, carbide liquid is vertically dropped down onto on transfer roller 3 after liquid separation groove 5 divides for multiply liquid stream, transfer roller 3 is hit using its potential energy
Form drop, drop in the space by being limited between petticoat pipe and coaming plate 22 by inertia cooling gas Quench, and in surface tension
In the presence of be formed by curing spherical granulated carbide 10.
Alternatively, the material of transfer roller 3 can be copper, cast iron or steel etc., but not limited to this.
According to some embodiments of the utility model, the device for preparing granulated carbide 10 further comprises chute 6, chute 6
Connected with cooling chamber 2, chute walls are provided with cooling device, and chute 6 is configured to granulated carbide 10 being transferred out from cooling chamber 2
While granulated carbide 10 is cooled down.
Specifically, reference picture 1, chute 6 can be formed as cross section and be formed as rectangle or circle.The first end of chute 6
(for example, left end in Fig. 1) is connected with cooling chamber 2, and the other end of chute 6 tilts down extension.For example, can be in chute 6
Runner is provided with inwall and forms water wall structure, runner has flow channel entry point and runner exit, is provided with runner in flow channel entry point
The coolant circulated between runner exit, flow channel entry point can be set adjacent to the 6 above-mentioned other end of chute, and runner exit can
Set with above-mentioned one end of neighbouring chute 6, coolant can be water etc..It is understood that it can also be set in chute walls
Coil pipe or tubulation form water wall structure, and cooling liquid flowing channel is limited in coil pipe or tubulation, make coolant in coil pipe or
Flow in person's tubulation, the granulated carbide 10 in chute 6 is further cooled down by water wall structure.For example, coil pipe or row
Pipe can set the inner wall surface of chute 6.
It is alternatively possible to realize that pressure of the coolant between flow channel entry point and runner exit follows by high pressure centrifugal pump
Ring, the i.e. type of cooling is force to cool down, such as Forced water cooling etc..It is, of course, understood that Natural Circulation side can also be used
Formula makes coolant be circulated between flow channel entry point and runner exit.
For example, the granulated carbide 10 in cooling chamber 2 can enter chute 6 in the presence of gravity and wind-force and along chute
6 slide downwards, and further being cooled down during slide downward, so as to by chute 6 by granulated carbide 10 from cooling
Granulated carbide 10 is cooled down while room 2 is transferred out.
Further, the device for preparing granulated carbide 10 still further comprises：Steamdrum 61, steamdrum 61 and above-mentioned cooling
Liquid stream road or above-mentioned flow passage are to receive steam.Thus, it is possible to the heat collection that granulated carbide 10 is exchanged with coolant rises
Come, drying and preheating for generating electricity or for carbide raw material, so as to reclaim the partial heat in calcium carbide, reduce energy
Waste.
According to some embodiments of the utility model, the device for preparing granulated carbide 10 further comprises：Feeder 7,
Feeder 7 connects with cooling chamber 2, and feeder 7 is configured to convey inertia cooling gas to cooling chamber 2.For example, in this reality
With in some new embodiments, feeder 7 can be the air accumulator for filling inertia cooling gas, by air accumulator to cooling
Conveying cooling gas is with the tonifying Qi into cooling chamber 2 in room 2.And for example, in other embodiments of the present utility model, feeder
7 can be limekiln equipment, and so the flue gas that generated in lime kiln plant can be delivered in cooling chamber 2.Thus, equally
The tonifying Qi into cooling chamber 2 of feeder 7 can be passed through.
According to some further embodiments of the present utility model, preparing the device of granulated carbide 10 also includes heat recovery system
System.Reference picture 1, heat recovery system includes：Waste heat boiler 81, air-introduced machine 82 and heat utilization device 83.Have in waste heat boiler 81
There is water, air-introduced machine 82 has fans entrance 821 and fan outlet 822, and fans entrance 821 connects with cooling chamber 2, waste heat boiler 81
It is located between fans entrance 821 and cooling chamber 2, air-introduced machine 82 is configured to the air-flow in cooling chamber 2 being pumped to waste heat boiler
So that air-flow and the water heat exchange in waste heat boiler 81, the air-flow after heat exchange enter air-introduced machine 82 and from the rows of fan outlet 822 in 81
Go out.Heat utilization device 83 is connected with waste heat boiler 81 to collect or utilize caused steam in waste heat boiler 81.
Wherein, the fans entrance 821 of air-introduced machine 82 can be connected by air inducing pipeline with cooling chamber 2.Specifically, induced duct
The one end in road connects with cooling chamber 2, and the other end is connected with fans entrance 821.For example, above-mentioned one end of air inducing pipeline can be stretched into
Is connected with cooling chamber 2 in cooling chamber 2, or above-mentioned one end of air inducing pipeline can also stretch into that chute 6 is interior to be connected with cooling chamber 2.
Thus, it is possible to will be pumped to by air-introduced machine 82 in waste heat boiler 81 with the air-flow after carbide liquid heat exchange in cooling chamber 2 and used heat
Water exchanges heat in boiler 81, enters air-introduced machine 82 and from wind by fans entrance 821 with the air-flow after the water heat exchange in waste heat boiler 81
The discharge of machine outlet 822.
Wherein, when above-mentioned one end of air inducing pipeline being stretched into chute 6 into the connection realized with cooling chamber 2, in cooling chamber 2 with
Air-flow after carbide liquid heat exchange first can flow to chute 6 from cooling chamber 2, then flow to waste heat boiler 81.Or set in chute walls
On the basis of having cooling device, then cold inert gas is passed through in the space of chute 6 simultaneously and carries out direct heat transfer with calcium carbide, further
Reclaim acetylene stones sensible heat.
Specifically, can be exhausted directly to the air-flow after the water heat exchange in waste heat boiler 81 in air, can also be by blower fan
Outlet 822 is connected with cooling chamber 2 will be delivered to cooling chamber 2 with the air-flow after the water heat exchange in waste heat boiler 81 to recycle
Inertia cooling gas.For example, can be with pressurized rear feeding cooling chamber 2 with the air-flow after the water heat exchange in waste heat boiler 81.
Wherein, it is about 150 DEG C~200 DEG C with the gas flow temperature after the water heat exchange in waste heat boiler 81.Waste heat boiler 81 produces
Raw superheated steam can be used for cogeneration, or drying and preheating for carbide raw material.Heat utilization device 83 can be to steam
Drum 61, or carbon drier etc..Thus, it is possible to reclaim the sensible heat in carbide liquid, thermal loss is reduced, improves the energy
Utilization rate, reduce the overall energy consumption in calcium carbide production process.
According to some embodiments of the utility model, heat recovery system further comprises：Dust arrester, dust arrester are set
Between waste heat boiler 81 and cooling chamber 2, dust arrester is configured to filter out to entering the air-flow in waste heat boiler 81
Dirt.Thus, it is possible to which the air-flow pumped out by filter to air-introduced machine 82 filters, enter used heat so as to reduce
Dust in boiler 81 and air-introduced machine 82, dust pollution and abrasion waste heat boiler 81 are avoided, while avoid dust entrance and draw
Blower fan 82 causes damage to air-introduced machine 82, improves the reliability of air-introduced machine 82.
Specifically, dust arrester includes：Cyclone separator 91, ceramic filter 92 and dust collecting trough 93.Cyclone separator 91
Connected with cooling chamber 2, ceramic filter 92 is connected between cyclone separator 91 and waste heat boiler 81.Dust collecting trough 93 respectively with rotation
Wind separator 91, ceramic filter 92 are connected to collect the dust that cyclone separator 91 and ceramic filter 92 are separated.
Wherein, cyclone separator 91 can be one-level or multistage, that is to say, that cyclone separator 91 can be it is multiple,
Multiple cyclone separators 91 are connected in series.Thus, the air-flow in cooling chamber 2 can first pass through cyclone separator 91 and carry out whirlwind point
From entering back into ceramic filter 92 and filtered.Thus, dust removing effects are improved.
Below with reference to Fig. 1 description according to the utility model prepare granulated carbide 10 device a specific embodiment and its
The course of work.
2000 DEG C or so of carbide liquid is flow in liquid separation groove 5 through liquid outlet, and the bottom of liquid separation groove 5 is provided with multiple a diameter of
2cm liquid separation outlet, the spacing between two neighboring liquid separation outlet is 5cm.The liner of liquid separation groove 5 is refractory material.Carbide liquid
Liquid separation groove 5 divides for multiply liquid stream, vertically drops down onto on the transfer roller 3 of rotation, and carbide liquid hits transfer roller 3 using its potential energy and forms drop.
The outer surface of transfer roller 3 is provided with groove of the section for triangle to improve the shock kinetic energy of transfer roller 3 and liquid stream.Drop by petticoat pipe and
The space that coaming plate 22 limits is by inertia cooling gas Quench, and drop is formed by curing spherical granular electricity under surface tension effects
Stone 10.A diameter of 0.3cm~1cm of granulated carbide 10.Granulated carbide 10 flows under gravity and wind-force effect has water-cooling wall
In the rectangle chute 6 of structure, the flow process in chute 6 of granulated carbide 10 is further cooled down.
Hot gas in cooling chamber 2 is under the swabbing action of air-introduced machine 82, successively after two dedustings of cyclone separator 91,
Filtered again by ceramic filter 92, reach dustiness less than entering waste heat boiler 81 after 20mmg/Nm3, in cooling chamber 2
Air-flow and waste heat boiler 81 in water heat exchange after be cooled to 200 DEG C or so, pressurizeed through air-introduced machine 82 and be sent into cooling chamber 2 or directly
Emptying.Superheated steam can be delivered to heat utilization device 83 caused by waste heat boiler 81, for cogeneration, or for carbide raw material
Drying and preheating.
It is common for this area according to other compositions for preparing granulated carbide 10 of the utility model embodiment and operation
All it is known for technical staff, is not detailed herein.
According to the device for preparing granulated carbide 10 of the utility model embodiment, high temperature carbide liquid can be utilized to be granulated production
Spherical granulated carbide 10, while carbide liquid sensible heat can be reclaimed, the closed operation of calcium carbide production is realized, reduces environmental pollution and produces
Product high-temperature oxydation, calcium carbide application process broken process is eliminated, improves calcium carbide production process efficiency, reduce calcium carbide production energy
Consumption.Meanwhile calcium carbide cooling is accelerated, calcium carbide cool time is shortened, is eliminated needed for crucible and the cooling of calcium carbide cooling required
Place.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means to combine specific features, the knot that the embodiment or example describe
Structure, material or feature are contained at least one embodiment or example of the present utility model.In this manual, to above-mentioned art
The schematic representation of language is not necessarily referring to identical embodiment or example.Moreover, description specific features, structure, material or
Person's feature can combine in an appropriate manner in any one or more embodiments or example.
While there has been shown and described that embodiment of the present utility model, it will be understood by those skilled in the art that：
These embodiments can be carried out with a variety of changes, modification in the case where not departing from principle and objective of the present utility model, replaced
And modification, the scope of the utility model are limited by claim and its equivalent.
Claims (10)
- A kind of 1. device for preparing granulated carbide, it is characterised in that including：Furnace of calcium carbide, the receiving space for accommodating carbide liquid is limited in the furnace of calcium carbide, and the furnace of calcium carbide is provided with liquid outlet；Cooling chamber, has inertia cooling gas in the cooling chamber, and the cooling chamber is located at the lower section of the furnace of calcium carbide, it is described go out Liquid mouth connects with the cooling chamber；WithTransfer roller, the transfer roller are rotatably arranged at below the liquid outlet, and at least a portion of the transfer roller is located at the cooling Interior, the transfer roller be configured to the carbide liquid from the liquid outlet drop down onto on the transfer roller when, the transfer roller and the electricity Shock, which occurs, for stone liquid makes the carbide liquid form drop, and the drop is solidified into granulated carbide in the cooling chamber.
- 2. the device according to claim 1 for preparing granulated carbide, it is characterised in that further comprise：Liquid separation groove, the liquid separation groove are located between the furnace of calcium carbide and the cooling chamber, the liquid separation groove have liquid separation entrance and Multiple liquid separation outlets, the liquid separation entrance connect with the liquid outlet, and multiple liquid separation outlets are distributed in the liquid separation On the bottom wall of groove, each liquid separation outlet connects with the cooling chamber respectively.
- 3. the device according to claim 1 for preparing granulated carbide, it is characterised in that further comprise：Chute, the chute connect with the cooling chamber, and chute walls are provided with cooling device, and the chute is configured to will be described Granulated carbide cools down while being transferred out from the cooling chamber to the granulated carbide.
- 4. the device according to claim 3 for preparing granulated carbide, it is characterised in that chute walls are provided with coil pipe or tubulation Water wall structure is formed, there is cooling liquid flowing channel in coil pipe or tubulation, or, runner is provided with the inwall of the chute and forms water Cold wall structure, the runner have flow channel entry point and runner exit, are provided with the runner in the flow channel entry point and the stream The coolant circulated between road outlet；The device for preparing granulated carbide further comprises steamdrum, the steamdrum and the cooling liquid flowing channel or the stream Road is connected to collect steam.
- 5. the device according to claim 1 for preparing granulated carbide, it is characterised in that the outer surface of the transfer roller is provided with At least one groove, the groove are inwardly concaved by the outer surface of the transfer roller and formed.
- 6. the device according to claim 1 for preparing granulated carbide, it is characterised in that further comprise：Feeder, the feeder connect with the cooling chamber, and the feeder is configured to defeated to the cooling chamber Send the inertia cooling gas.
- 7. the device for preparing granulated carbide according to any one of claim 1-6, it is characterised in that also returned including heat Receipts system, the heat recovery system include：Waste heat boiler, the waste heat boiler is interior to have water；Air-introduced machine, the air-introduced machine have fans entrance and fan outlet, and the fans entrance connects with the cooling chamber, described Waste heat boiler is located between the fans entrance and the cooling chamber, and the air-introduced machine is configured to the gas in the cooling chamber Stream is pumped in the waste heat boiler so that the air-flow enters with the water heat exchange in the waste heat boiler, the air-flow after heat exchange Enter the air-introduced machine and discharged from the fan outlet；Heat utilization device, the heat utilization device are connected with the waste heat boiler to collect or using being produced in the waste heat boiler Steam.
- 8. the device according to claim 7 for preparing granulated carbide, it is characterised in that the fan outlet and the cooling Room is connected so that the air-flow after heat exchange is delivered into the cooling chamber.
- 9. the device according to claim 7 for preparing granulated carbide, it is characterised in that the heat recovery system is further Including：Dust arrester, the dust arrester are located between the waste heat boiler and the cooling chamber, and the dust arrester is constructed The air-flow entered in pairs in the waste heat boiler carries out dust removal by filtration.
- 10. the device according to claim 9 for preparing granulated carbide, it is characterised in that the dust arrester includes：Cyclone separator, the cyclone separator connect with the cooling chamber；Ceramic filter, the ceramic filter are connected between the cyclone separator and the waste heat boiler；Dust collecting trough, the dust collecting trough are connected with the cyclone separator, the ceramic filter to collect the whirlwind point respectively The dust separated from device and the ceramic filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720665716.2U CN207030968U (en) | 2017-06-08 | 2017-06-08 | Prepare the device of granulated carbide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720665716.2U CN207030968U (en) | 2017-06-08 | 2017-06-08 | Prepare the device of granulated carbide |
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| CN207030968U true CN207030968U (en) | 2018-02-23 |
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| CN201720665716.2U Expired - Fee Related CN207030968U (en) | 2017-06-08 | 2017-06-08 | Prepare the device of granulated carbide |
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| CN (1) | CN207030968U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109589868A (en) * | 2018-11-09 | 2019-04-09 | 西安交通大学 | A kind of high-temperature fusion carbide liquid granulating and forming device |
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2017
- 2017-06-08 CN CN201720665716.2U patent/CN207030968U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109589868A (en) * | 2018-11-09 | 2019-04-09 | 西安交通大学 | A kind of high-temperature fusion carbide liquid granulating and forming device |
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