CN107098345A - Prepare the device of granulated carbide - Google Patents
Prepare the device of granulated carbide Download PDFInfo
- Publication number
- CN107098345A CN107098345A CN201710429490.0A CN201710429490A CN107098345A CN 107098345 A CN107098345 A CN 107098345A CN 201710429490 A CN201710429490 A CN 201710429490A CN 107098345 A CN107098345 A CN 107098345A
- Authority
- CN
- China
- Prior art keywords
- carbide
- liquid
- cooling chamber
- transfer roller
- cooling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Carbon And Carbon Compounds (AREA)
Abstract
The invention discloses a kind of device for preparing granulated carbide, including：The receiving space for accommodating carbide liquid is limited in furnace of calcium carbide, cooling chamber and transfer roller, furnace of calcium carbide, furnace of calcium carbide is provided with liquid outlet；There is inertia cooling gas, cooling chamber is located at the lower section of furnace of calcium carbide, and liquid outlet is connected with cooling chamber in 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 makes carbide liquid formation drop, drop is solidified into granulated carbide in cooling chamber.The device for preparing granulated carbide according to embodiments of the present invention, 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, the place needed for the required crucible of calcium carbide cooling and cooling is eliminated.
Description
Technical field
The present invention relates to technical field of calcium carbide production, 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
Consolidate into solid, then the processing technology crushed to solid-state calcium carbide can not ensure the uniformity of calcium carbide granularity.
In addition, energy consumption in calcium carbide production process is greatly, 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 electricity.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 electric power feeds heat 24.2%, institute's band with heat
Sensible heat is considerable.How calcium carbide industry urgent problem to be solved is turned into using this part sensible heat.
The content of the invention
It is contemplated that at least solving one of technical problem present in prior art.Therefore, the present invention proposes a kind of system
The device of standby granulated carbide, one purpose produces granulated carbide, technique for the device for preparing granulated carbide using carbide liquid
The epigranular of simple and granulated carbide, another object is the sensible heat in recycling calcium carbide manufacturing process.
The device for preparing granulated carbide according to embodiments of the present invention, including：Use is limited in furnace of calcium carbide, the furnace of calcium carbide
In the receiving space for accommodating carbide liquid, the furnace of calcium carbide is provided with liquid outlet；In cooling chamber, the cooling chamber there is inertia to cool down gas
Body, the cooling chamber is located at the lower section of the furnace of calcium carbide, and the liquid outlet is connected with the cooling chamber；And transfer roller, the transfer roller
It is rotatably arranged at below the liquid outlet, at least a portion of the transfer roller is located in the cooling chamber, and the transfer roller is by structure
Cause the carbide liquid from the liquid outlet drop down onto on the transfer roller when, the transfer roller and the carbide liquid occur shock make it is described
Carbide liquid formation drop, the drop is solidified into granulated carbide in the cooling chamber.
The device for preparing granulated carbide according to embodiments of the present invention, by setting cooling chamber below liquid outlet, and will
At least a portion of transfer roller is arranged in cooling chamber, and the carbide liquid flowed out from liquid outlet can fall on transfer roller to be hit with transfer roller
Hit, the carbide liquid after shock outwards splashes to form drop, drop is received in the environment for forcing cooling in the presence of surface tension
Be condensed to it is spherical and gradually curing molding formation granulated carbide, granulated carbide surface formed one layer of duricrust it is individually separated.
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 rotation in cooling chamber, is eliminated the broken process in calcium carbide application process, is realized calcium carbide and go out
The closed operation of stove, reduces environmental pollution, and avoid the production efficiency that calcium carbide aoxidizes and improves granulated carbide at high temperature
With the uniformity of granulated carbide granularity, while accelerating the cooldown rate of calcium carbide, the cool time of calcium carbide is shortened, electricity is eliminated
Crucible needed for stone cooling and the place needed for cooling.
According to some embodiments of the present invention, the device for preparing granulated carbide further comprises：Divide liquid bath, described point
Liquid bath is located between the furnace of calcium carbide and the cooling chamber, and described point of liquid bath has point liquid entrance and multiple points of liquid outlets, described
Point liquid entrance connect with the liquid outlet, multiple described point of liquid outlets is distributed in described in divide on the bottom wall of liquid bath, Mei Gesuo
A point liquid outlet is stated to connect with the cooling chamber respectively.Carbide liquid is divided into multiply thus, it is possible to be exported by point liquid of point liquid bath
Liquid stream, improves the production efficiency of granulated carbide.
According to some embodiments of the present invention, the device for preparing granulated carbide further comprises：Chute, the chute
Connected with the cooling chamber, chute walls are provided with cooling device, the chute is configured to the granulated carbide from described cold
But the granulated carbide is cooled down while room is transferred out.
Specifically, chute walls are provided with coil pipe or tubulation formation water wall structure, and coil pipe or tubulation are interior with coolant stream
Road, or, provided with runner formation water wall structure in the inwall of the chute, there is the runner flow channel entry point and runner to go out
Mouthful, provided with the coolant circulated between the flow channel entry point and the runner exit in the runner；The preparation grain
The device of shape calcium carbide is still further comprised：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, and the groove is by the outer surface of the transfer roller
Inwardly concave to be formed.Thus, it is possible to improve the shock kinetic energy of carbide liquid and transfer roller, it is ensured that carbide liquid is dispersed into after being hit with transfer roller
Drop, it is possible to further reduce the granularity of drop.
According to some embodiments of the present invention, the device for preparing granulated carbide further comprises：Feeder, it is described
Feeder is connected with the cooling chamber, and the feeder is configured to convey the inertia cooling gas to the cooling chamber
Body.
According to some further embodiments of the present invention, preparing the device of granulated carbide also includes heat recovery system, institute
Stating heat recovery system includes：There is water in waste heat boiler, the waste heat boiler；There is air-introduced machine, the air-introduced machine blower fan to enter
Mouth and fan outlet, the fans entrance are connected with the cooling chamber, and the waste heat boiler is located at the fans entrance and described
Between cooling chamber, the air-introduced machine is configured to the air-flow in the cooling chamber being pumped in the waste heat boiler so that described
Air-flow enters the air-introduced machine with the water heat exchange in the waste heat boiler, the air-flow after heat exchange and arranged from the fan outlet
Go out；Heat utilization device, the heat utilization device connects to collect or produce using in the waste heat boiler with the waste heat boiler
Steam.
Alternatively, the fan outlet connects the air-flow after heat exchange being delivered to the cooling with the cooling chamber
Room.
According to some embodiments of the present invention, the heat recovery system further comprises：Dust arrester, the dedusting dress
It is set between the waste heat boiler and the cooling chamber, the dust arrester is configured to entering in the waste heat boiler
Air-flow carries out dust removal by filtration.
Specifically, the dust arrester includes：Cyclone separator, the cyclone separator is connected with the cooling chamber；Pottery
Porcelain filter, the ceramic filter is connected between the cyclone separator and the waste heat boiler；Dust collecting trough, the dust
Groove is connected to collect the cyclone separator and the ceramic filter respectively with the cyclone separator, the ceramic filter
The dust separated.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become from description of the accompanying drawings below to embodiment is combined
Substantially and be readily appreciated that, wherein：
Fig. 1 is the schematic diagram of the device for preparing granulated carbide according to embodiments of the present invention.
Reference：
Furnace of calcium carbide 1, cooling chamber 2, exhaust fume collecting hood 21, coaming plate 22,
Transfer roller 3, drive device 4, point liquid bath 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
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or
Position relationship, is for only for ease of the description present invention and simplifies description, rather than indicate or imply that the device or element of meaning must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, limit
Surely there is " first ", one or more this feature can be expressed or be implicitly included to the feature of " second ".The present invention's
In description, unless otherwise indicated, " multiple " are meant that two or more.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
The device for preparing granulated carbide 10 according to embodiments of the present invention is described below with reference to Fig. 1.
As shown in figure 1, the device according to an embodiment of the invention for preparing granulated carbide 10, including furnace of calcium carbide 1, cooling
Room 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 be formed can in the side bottom of furnace of calcium carbide 1 or bottom, alternatively, liquid outlet
Think multiple.
There is inertia cooling gas, cooling chamber 2 is located at the lower section of furnace of calcium carbide 1, and liquid outlet connects with cooling chamber 2 in 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 makes carbide liquid formation 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, is 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 occurring oxidation and can be cooled down to carbide liquid.
Specifically, reference picture 1, transfer roller 3 can be formed as cylindric, and transfer roller 3 can pass through (such as 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, in figure
In 1 example, the top half of transfer roller 3 is arranged in cooling chamber 2.Thus, the carbide liquid flowed out from liquid outlet, which can fall, to be turned
Hit on roller 3 with transfer roller 3, the carbide liquid after shock outwards splashes to form drop, drop force cooling environment in,
Be punctured into the presence of surface tension it is spherical and gradually curing molding formation granulated carbide 10, the surface of granulated carbide 10 formed one layer
Duricrust is individually separated, and is dropped down onto in the rotation downslide of transfer roller 3 in cooling chamber 2.
The device for preparing granulated carbide 10 according to embodiments of the present invention, by setting cooling chamber 2 below liquid outlet, and
At least a portion of transfer roller 3 is arranged in cooling chamber 2, from liquid outlet flow out carbide liquid can fall on transfer roller 3 with transfer roller 3
Hit, the carbide liquid after shock outwards splashes to form drop, drop is in the environment for forcing cooling, in the work of surface tension
Be punctured under it is spherical and gradually curing molding formation granulated carbide 10, the surface of granulated carbide 10 formed one layer of duricrust each divide
From.
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 rotation in 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 accelerating the cooldown rate of calcium carbide, shortens the cool time of calcium carbide, saves
The place needed for the required crucible of calcium carbide cooling and cooling is fallen.
According to some embodiments of the present invention, the device for preparing granulated carbide 10 further comprises point liquid bath 5.Divide liquid bath 5
It is located between furnace of calcium carbide 1 and cooling chamber 2, point liquid bath 5 has point liquid entrance and multiple points of liquid outlets, point liquid entrance connects with liquid outlet
Logical, multiple points of liquid outlets are distributed on the bottom wall of point liquid bath 5, and each point liquid outlet is connected with cooling chamber 2 respectively.Thus,
It can be exported by point liquid of point liquid bath 5 and carbide liquid is divided into multiply liquid stream, improve the production efficiency of granulated carbide 10.
Specifically, liquid bath 5 is divided to be formed generally as taper, or a point liquid bath 5 can be formed as top for rectangle, bottom
For the structure of taper.Dividing the length of liquid bath 5 can be substantially the same with the axial length of transfer roller 3.Wherein, length, the height of liquid bath 5 are divided
The specific size of degree and width can be according to practical condition adjusted design.For example, in some specific embodiments of the present invention
In, the width of point liquid bath 5 can be 0.3m~0.8m.For example, the width of point liquid bath 5 can be 1.0m.
Alternatively, multiple points of liquid outlet uniform intervals are set.Wherein, the spacing A between two points of adjacent liquid outlet can
To meet 5cm≤A≤10cm.Its concrete numerical value can be related to according to actual conditions adjustment, and the present invention is not especially limited to this.
For example, the spacing A between adjacent two points of liquid outlet can further meet A=5cm, A=10cm, A=15cm etc..By
This, can be exported by point liquid of point liquid bath 5 carbide liquid being divided into multiply liquid stream, improve the production efficiency of granulated carbide 10.
Alternatively, liquid outlet is divided to be formed as the shapes such as circle, ellipse, Long Circle.For example, when point liquid exports to be formed
During for circular port, the aperture D of point liquid outlet can be met：1cm≤D≤2cm.Dividing the aperture of liquid outlet can further meet：D
=1cm, D=1.5cm, D=2cm etc..Thus, it is possible to reduce the liquid stream size of point carbide liquid in liquid exit, it is ensured that from a point liquid
The liquid stream of outflow is exported with disperseing to form drop after the shock of transfer roller 3.
Specifically, liquid outlet is divided to be connected by connecting tube 51 with cooling chamber 2, connecting tube 51 vertically extends,
The lower surface of connecting tube 51 is met 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, be thereby may be ensured that after point liquid stream of liquid outlet outflow hits with transfer roller 3
It is scattered to form drop, it is possible to reduce the granularity of drop.
According to some specific embodiments of the present invention, the inner lining refractory of point liquid bath 5.Thus, it is possible to improve point liquid bath 5
Reliability.
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 invention, groove is multiple, and multiple grooves
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, pros
Shape, rectangle, trapezoidal etc.), semicircle, half elliptic etc..Thus, it is possible to improve the shock kinetic energy of carbide liquid and transfer roller 3, it is ensured that
Carbide liquid is dispersed into drop after being hit with transfer roller 3, it is possible to further reduce the granularity of drop.
For example, carbide liquid is vertically dropped down onto on transfer roller 3 after dividing 5 points of liquid bath to be multiply liquid stream, its potential energy is utilized to hit transfer roller 3
Form drop, drop in the space limited between petticoat pipe and coaming plate 22 by inertia cooling gas Quench, and in surface tension
In the presence of solidify to form spherical granulated carbide 10.
Alternatively, the material of transfer roller 3 can be for copper, cast iron or steel etc., but not limited to this.
According to some embodiments of the present invention, the device for preparing granulated carbide 10 further comprises chute 6, chute 6 with it is cold
But room 2 is connected, chute walls be provided with cooling device, chute 6 be configured to by granulated carbide 10 from cooling chamber 2 be transferred out it is same
When 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
Provided with runner formation water wall structure in inwall, runner, which has in flow channel entry point and runner exit, runner, to be provided with flow channel entry point
The coolant circulated between runner exit, flow channel entry point can be set adjacent to the above-mentioned other end of chute 6, and runner exit can
Set with above-mentioned one end of neighbouring chute 6, coolant can be water etc..It is understood that can also be set in chute walls
Coil pipe or tubulation formation water wall structure, cooling liquid flowing channel is limited in coil pipe or tubulation, make coolant in coil pipe or
Flow, the granulated carbide 10 in chute 6 is further cooled down in person's tubulation 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 is followed by high pressure centrifugal pump
Ring, the i.e. type of cooling is force to cool down, such as Forced water cooling.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 and along chute in the presence of gravity and wind-force
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 is still further comprised：Steamdrum 61, steamdrum 61 and above-mentioned cooling
Liquid runner or above-mentioned flow passage are to receive steam.Thus, it is possible to which 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 present invention, the device for preparing granulated carbide 10 further comprises：Feeder 7, supply
Device 7 is connected with cooling chamber 2, and feeder 7 is configured to convey inertia cooling gas to cooling chamber 2.For example, the present invention's
In some embodiments, feeder 7 can be the air accumulator for filling inertia cooling gas, by air accumulator into cooling chamber 2 it is defeated
Cooling gas is sent with the tonifying Qi into cooling chamber 2.And for example, in other embodiments of the present invention, feeder 7 can be lime
The flue gas generated in lime kiln plant, can so be delivered in cooling chamber 2 by kiln plant.Thus, it again may be by supplying
The tonifying Qi into cooling chamber 2 of device of air 7.
According to some further embodiments of the present invention, preparing the device of granulated carbide 10 also includes heat recovery 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
Water, air-introduced machine 82 has fans entrance 821 and fan outlet 822, and fans entrance 821 is connected with cooling chamber 2, and waste heat boiler 81 is set
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 81
It is interior so that air-flow enters with the water heat exchange in waste heat boiler 81, the air-flow after heat exchange air-introduced machine 82 and is discharged from fan outlet 822.
Heat utilization device 83 is connected to collect or the steam using being produced in waste heat boiler 81 with 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 is connected 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 which the air-flow after being exchanged heat in cooling chamber 2 with carbide liquid is pumped in waste heat boiler 81 and used heat by air-introduced machine 82
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
Discharge 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 a cooling device, then cold inert gas is passed through in the space of chute 6 simultaneously carries out direct heat transfer with calcium carbide, further
Reclaim acetylene stones sensible heat.
Specifically, it 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 connects to recycle cooling chamber 2 is delivered to the air-flow after the water heat exchange in waste heat boiler 81 with cooling chamber 2
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 is produced
Raw superheated steam can be used for cogeneration, or drying and preheating for carbide raw material.Heat utilization device 83 can be steaming
Drum 61, or carbon drier etc..Thus, it is possible to reclaim the sensible heat in carbide liquid, thermal loss is reduced, the energy is improved
Utilization rate, reduces the overall energy consumption in calcium carbide production process.
According to some embodiments of the present invention, heat recovery system further comprises：Dust arrester, dust arrester is located at useless
Between heat boiler 81 and cooling chamber 2, dust arrester is configured to carry out dust removal by filtration to the air-flow entered in waste heat boiler 81.By
This, the air-flow that can be pumped out by filter to air-introduced machine 82 is filtered, and enters waste heat boiler so as to reduce
81 and air-introduced machine 82 in dust, it is to avoid dust pollution and abrasion waste heat boiler 81, while avoiding dust enters air-introduced machine
82 pairs of air-introduced machines 82 cause damage, and improve 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 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.
A specific embodiment and its work of the device of granulated carbide 10 produced according to the present invention are described below with reference to Fig. 1
Process.
2000 DEG C or so of carbide liquid is flow in point liquid bath 5 through liquid outlet, and the bottom of point liquid bath 5 is provided with multiple a diameter of
2cm point liquid outlet, the spacing between two neighboring point of liquid outlet is 5cm.The liner for dividing liquid bath 5 is refractory material.Carbide liquid
It is multiply liquid stream to divide 5 points of liquid bath, is vertically dropped down onto on the transfer roller 3 of rotation, and carbide liquid hits the formation drop of transfer roller 3 using its potential energy.
The outer surface of transfer roller 3 is provided with section for the groove of 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 is limited is by inertia cooling gas Quench, and drop solidify to form spherical granular electricity under surface tension effects
Stone 10.A diameter of 0.3cm~1cm of granulated carbide 10.Granulated carbide 10 is flowed 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 sequentially passed through after two dedustings of cyclone separator 91 under the swabbing action of air-introduced machine 82,
Filtered again by ceramic filter 92, reach that dustiness is less than after 20mmg/Nm3 and enter waste heat boiler 81, in cooling chamber 2
Air-flow and waste heat boiler 81 in water heat exchange after be cooled to 200 DEG C or so, through the pressurization of air-introduced machine 82 feeding cooling chamber 2 or directly
Emptying.The superheated steam that waste heat boiler 81 is produced can be delivered to heat utilization device 83, for cogeneration, or for carbide raw material
Drying and preheating.
Other compositions for preparing granulated carbide 10 according to embodiments of the present invention and operation are for ordinary skill
All it is known for personnel, is not detailed herein.
The device for preparing granulated carbide 10 according to embodiments of the present invention, it is possible to use the granulation production of high temperature carbide liquid is spherical
Granulated carbide 10, while carbide liquid sensible heat can be reclaimed, realize the closed operation of calcium carbide production, reduce environmental pollution and product is high
Temperature oxidation, eliminates calcium carbide application process broken process, improves calcium carbide production process efficiency, reduce calcium carbide energy consumption.
Meanwhile, accelerate calcium carbide cooling, shorten calcium carbide cool time, eliminate calcium carbide cooling need crucible and cooling needed for field
Institute.
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 are described
Structure, material or feature are contained at least one embodiment of the present invention or example.In this manual, to above-mentioned term
Schematic representation is not necessarily referring to identical embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can in an appropriate manner be combined in any one or more embodiments or example.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
In the case of departing from the principle and objective of the present invention a variety of change, modification, replacement and modification can be carried out to these embodiments, this
The scope of invention is limited by claim and its equivalent.
Claims (10)
1. a kind of device for preparing granulated carbide, it is characterised in that including：
The receiving space for accommodating carbide liquid is limited in furnace of calcium carbide, the furnace of calcium carbide, 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 mouthful is connected with the cooling chamber；With
Transfer roller, the transfer roller is 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 formation 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：
Point liquid bath, described point of liquid bath is located between the furnace of calcium carbide and the cooling chamber, described point of liquid bath have point liquid entrance and
Multiple points of liquid outlets, described point of liquid entrance is connected with the liquid outlet, and multiple described point of liquid outlets are distributed in described point of liquid
On the bottom wall of groove, each described point of liquid outlet is connected 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 is connected with the cooling chamber, and chute walls are provided with cooling device, and the chute is configured to will be described
Granulated carbide is cooled 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
Being formed has cooling liquid flowing channel in water wall structure, coil pipe or tubulation, or, provided with runner formation water in the inwall of the chute
Cold wall structure, the runner, which has in flow channel entry point and runner exit, the runner, to be provided with 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 connects 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 is 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 is connected 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 includes：
There is water in waste heat boiler, the waste heat boiler；
Air-introduced machine, the air-introduced machine has fans entrance and fan outlet, and the fans entrance is connected 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 connects to collect or produce using in the waste heat boiler with 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 connects the air-flow after heat exchange being delivered to 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 is 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 is connected with the cooling chamber；
Ceramic filter, the ceramic filter is connected between the cyclone separator and the waste heat boiler；
Dust collecting trough, the dust collecting trough is connected to collect the whirlwind point respectively with the cyclone separator, the ceramic filter
The dust separated from device and the ceramic filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710429490.0A CN107098345A (en) | 2017-06-08 | 2017-06-08 | Prepare the device of granulated carbide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710429490.0A CN107098345A (en) | 2017-06-08 | 2017-06-08 | Prepare the device of granulated carbide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107098345A true CN107098345A (en) | 2017-08-29 |
Family
ID=59660199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710429490.0A Pending CN107098345A (en) | 2017-06-08 | 2017-06-08 | Prepare the device of granulated carbide |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107098345A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081717A (en) * | 2019-06-04 | 2019-08-02 | 内蒙古汇智化工科技发展有限责任公司 | A kind of calcium carbide fast cooling shaping and waste-heat recovery device |
| RU2697718C1 (en) * | 2018-11-19 | 2019-08-19 | Общество с ограниченной ответственностью "Гипрохим - Технолог" (ООО "Гипрохим - Технолог") | Method of producing calcium carbide |
-
2017
- 2017-06-08 CN CN201710429490.0A patent/CN107098345A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2697718C1 (en) * | 2018-11-19 | 2019-08-19 | Общество с ограниченной ответственностью "Гипрохим - Технолог" (ООО "Гипрохим - Технолог") | Method of producing calcium carbide |
| CN110081717A (en) * | 2019-06-04 | 2019-08-02 | 内蒙古汇智化工科技发展有限责任公司 | A kind of calcium carbide fast cooling shaping and waste-heat recovery device |
| CN110081717B (en) * | 2019-06-04 | 2024-06-18 | 赵新苓 | Calcium carbide rapid cooling forming and waste heat recovery device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105603135B (en) | A kind of high-temperature liquid state slag dry-type centrifugal granulation residual neat recovering system and method | |
| CN104988255B (en) | A kind of liquid slag waste heat recovery and the method and apparatus system of tailings ultra micro efflorescence | |
| CN101871025B (en) | Metallurgical molten slag dry-type processing device and processing method thereof | |
| CN105110661B (en) | A kind of liquid slag granulation and waste-heat recovery device | |
| CN106907931A (en) | Process and system that sintering deposit waste heat drags main exhauster are reclaimed with perpendicular cold kiln | |
| CN101550460B (en) | Method and apparatus of blast furnace slag quench and heat recovery | |
| CN103924012A (en) | Device and method for recovering residual heat by dry-process granulation of metallurgical slag | |
| CN102827969A (en) | Afterheat recovery system and method of dry granulating liquid slag | |
| CN202853402U (en) | High-efficient heat recovery type sinter mine cooling system | |
| CN105063256B (en) | Metallurgical molten slag pelletization heat energy recycling device | |
| CN101880737A (en) | System and method for recovering waste heat of continuous hot steel slag | |
| CN107098345A (en) | Prepare the device of granulated carbide | |
| CN101864504B (en) | Method for raising air temperature of hot blast stove by recovering sensible heat of blast furnace slag | |
| CN206479044U (en) | The process system that sintering deposit waste heat drags main exhauster is reclaimed with perpendicular cold kiln | |
| CN104141020B (en) | A kind of evaporimeter and high-temperature slag dry method residual neat recovering system | |
| CN207030968U (en) | Prepare the device of granulated carbide | |
| CN220524672U (en) | Continuous graphitizing furnace | |
| CN201825962U (en) | Dry-type metallurgical molten slag treating device | |
| JP5611454B2 (en) | Method and apparatus for producing glassy slag | |
| CN205448721U (en) | Hot DRI cooling device of rotary hearth furnace | |
| JP3287448B2 (en) | Heat recovery method from slag | |
| US3003756A (en) | Pellet furnace | |
| JP4264188B2 (en) | Method for reducing metal oxide | |
| CN109536656B (en) | Granulating system adopting roller pumping drying method | |
| CN103398578B (en) | A kind of equipment and process method for high-temperature nickel slag waste heat recovery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |