CN106348300A - Calcium carbide production line, calcium carbide production system and calcium carbide production method - Google Patents
Calcium carbide production line, calcium carbide production system and calcium carbide production method Download PDFInfo
- Publication number
- CN106348300A CN106348300A CN201611070204.8A CN201611070204A CN106348300A CN 106348300 A CN106348300 A CN 106348300A CN 201611070204 A CN201611070204 A CN 201611070204A CN 106348300 A CN106348300 A CN 106348300A
- Authority
- CN
- China
- Prior art keywords
- unit
- calcium carbide
- carbide
- intermediate products
- furnace
- 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 relates to the technical field of calcium carbide production, in particular to a calcium carbide production line, a calcium carbide production system and a calcium carbide production method. The calcium carbide production line comprises a raw material treatment unit, a preheating furnace unit, a heat conveying unit and a calcium carbide furnace unit, wherein the raw material treatment unit is used for treating raw materials and processing the raw materials into a first intermediate product; the preheating furnace unit is used for receiving the primary intermediate product, and processing the first intermediate product into a secondary intermediate product with high temperature; the heat conveying unit is used for receiving the secondary intermediate product, and conveying the second intermediate product with the high temperature to the calcium carbide furnace unit; the calcium carbide furnace unit is used for receiving the secondary intermediate product with the high temperature, and melting the secondary intermediate product into calcium carbide. The calcium carbide production system comprises a cooling unit and the calcium carbide production line. The calcium carbide production method is applied to the calcium carbide production line. The invention aims at providing the calcium carbide production line, the calcium carbide production system and the calcium carbide production method so as to solve the technical problems of poor adaptability of calcium carbide production raw materials, high raw material cost, high production energy consumption and serious pollution in the prior art.
Description
Technical field
The present invention relates to technical field of calcium carbide production, more particularly, to a kind of carbide production line and its system and method.
Background technology
Acetylene from calcium carbide chemical industry rises in early stage Europe, and acetylene can carry out chemical reaction with many kinds of substance, derive several
Thousand kinds of organic compound, were once described as " mother of organic synthesiss industry " in the world.China's " few oil, deficency, coal relative abundance "
Energy resource structure, determine carbide and will have irreplaceable important function in the national economic development from now on.In recent years,
China's calcium carbide industry development speed is very fast, and carbide yield by 8,900,000 tons/year of 2005, increases to 25,840,000 in 2015
Ton/year.
Carbide is a kind of important industrial chemicals, and existing carbide produces and refers to semi-coke under isolation air and hot conditionss
Or coke is heated with Calx, there is high temperature reduction reaction, the final course of processing obtaining finished product carbide.Current carbide production technology
High power consumption, high pollution, high cost the problems such as have begun to seriously restrict its sustainable development；Its particular problem has:
(1) adaptability to raw material is poor.Raw material granularity is required higher it is necessary to use the block stock of 5mm-30mm.
(2) cost of material is high.Must be higher than 82% quality block semi-coke or coke using fixed carbon.
(3) energy consumption is high.Block carbon raw and the mass transfer of Calx and heat transfer efficiency are low, and reaction rate is relatively low.With
When, it is independent that the production unit of raw material semi-coke and carbide smelt unit, leads to the sensible heat of high temperature (600-900 DEG C) semi-coke unrestrained
Take；And carbide in-furnace temperature typically need to reach more than 2200 DEG C production carbides, produce more than carbide power consumption 3150kwh per ton.
(4) seriously polluted.Substantial amounts of dust pollution is produced in production process.
Content of the invention
It is an object of the invention to provide carbide production line and its system and method, raw present in prior art to solve
The adaptability to raw material of product carbide is poor, cost of material is high, the high and with serious pollution technical problem of energy consumption.
The carbide production line that the present invention provides, comprising:
Material processing unit, for processing raw material, and raw material is processed into first time intermediate products；
Preheating furnace unit, for receiving the first time intermediate products of described material processing unit conveying, and by described first
Secondary intermediate products are processed as second intermediate products with high temperature；
Heat send unit and furnace of calcium carbide unit；Described heat send unit to be used for receiving in second of described preheating furnace unit transportation
Between product, and described second intermediate products with high temperature are delivered to described furnace of calcium carbide unit；Described furnace of calcium carbide unit is used
There are in reception described second intermediate products of high temperature, and described second intermediate products are refined as carbide.
Further, described material processing unit includes breaker, mixing arrangement and shaped device；Described raw material bag
Include feed coal and quick lime；
Described breaker is used for for described feed coal being crushed to the raw material coal particle meeting preset standard, and for inciting somebody to action
Described quick lime is crushed to the quicklime particles meeting preset standard；
Described mixing arrangement is used for according to preset ratio mixed material coal particle and quicklime particles, and it is former to form mixing
Material；
Described shaped device is used for described blend feedstock agglomeration molding, and forms described first time intermediate products.
Further, described breaker includes disintegrating machine and ore mill；
Described disintegrating machine is used for for described feed coal being crushed to the feed coal bulky grain meeting preset standard, and for inciting somebody to action
Described quick lime is crushed to the quick lime bulky grain meeting preset standard；
Described ore mill is used for for described feed coal bulky grain being broken for described raw material coal particle, and is used for described life
Calx bulky grain is broken for described quicklime particles.
Further, described mixing arrangement includes mixer and surge bunker；Described mixer is used for mixing according to preset ratio
Close raw material coal particle and quicklime particles, to form blend feedstock, and be delivered to described surge bunker storage.
Further, blend feedstock is delivered to spiral heating conveyer by screw(-type) feeder by described surge bunker, described
Spiral heating conveyer is used for heating blend feedstock and blend feedstock being delivered to described shaped device.
Further, described preheating furnace unit includes ball press and preheating furnace；
Described ball press is used for receiving the first time intermediate products of described material processing unit conveying, and suppresses described first
Secondary intermediate products are to form pelletizing；
Described preheating furnace is used for receiving the pelletizing of described ball press conveying, and described pelletizing is pyrolyzed, hot to be processed as
Active pelletizing；Described hot activity pelletizing is second intermediate products with high temperature.
Further, described heat send unit to include delivery track and conveying tank car；Described transfer pot car is used for receiving described
Second intermediate products of preheating furnace unit transportation, and will there are described second intermediate products of high temperature along described delivery track
It is delivered to described furnace of calcium carbide unit.
Further, described heat send unit also to include boom hoisting；
Described delivery track includes the first delivery track and the second delivery track, and described conveying tank car includes the first transfer pot
Car and the second conveying tank car；The batch can of described first conveying tank car is used for receiving in the middle of second of described preheating furnace unit transportation
Product, and described second intermediate products with high temperature are delivered to hoisting area along described first delivery track；Described lifting
Put for lifting the batch can of the described first conveying tank car positioned at described hoisting area to the described second conveying tank car；Described
Two transfer pot cars are used for for described batch being delivered to described furnace of calcium carbide unit along described second delivery track.
The system for producing calcium carbide that the present invention provides includes cooling unit and carbide production line；Described cooling unit is used for receiving
The carbide of described furnace of calcium carbide unit transportation, and make described carbide cooling.
The calcium carbide production method that the present invention provides, is applied to described carbide production line, comprises the steps:
Material processing unit processes raw material and raw material is processed into first time intermediate products；
Preheating furnace cell processing first time intermediate products, and first time intermediate products are processed as second with high temperature
Intermediate products；
Heat send unit that described second intermediate products with high temperature are delivered to furnace of calcium carbide unit；
Furnace of calcium carbide unit refines described second intermediate products for carbide.
Carbide production line and its system and method that the present invention provides, send including material processing unit, preheating furnace unit, heat
Unit and furnace of calcium carbide unit；So that good the having in the semi-coke of high temperature or second of hot activity pelletizing etc. of preheating furnace cell processing
Between product, send unit transportation to be refined to furnace of calcium carbide unit by heat；Creatively by the coal pyrolysis work of preheating furnace unit
Skill is coupled with the carbide production technology of furnace of calcium carbide unit, to make full use of second intermediate products in calcium carbide production process
Sensible heat, so that sensible heat substitutes part electric energy, reduces the power consumption of traditional mode of production carbide, energy saving；Also reduce to raw material
Requirement so that the wide adaptability of raw material, cheap, be not required to the high-quality resources such as coke, semicoke, anthracite in production process
As raw material, only dust in calcium carbide production process need to be solved from source dirty using cheap middle low order, powdery coal resources
Contaminate serious problem.Simultaneously because the use of powder, heat transfer between material, mass transfer rate is also made to accelerate, response speed is accelerated,
Thus reducing the electric energy of the consumption such as body of heater radiating, electrical equipment heat waste.Additionally, in preheating furnace unit raw coal and Calx batch mixing pelletizing be (i.e.
First time intermediate products) by pyrolysis processing when, the harmful element such as sulfur and hydrargyrum in coal can be removed in a large number, further reduce electricity
Environmental pollution in stone production process.Compared with existing carbide production technology, the carbide production line of the application and its system and side
Method has that adaptability to raw material is wide, carbide produces that power consumption is few, pollution is low, energy conversion efficiency is high, good economy performance the features such as.
Brief description
In order to be illustrated more clearly that the specific embodiment of the invention or technical scheme of the prior art, below will be to concrete
In embodiment or description of the prior art the accompanying drawing of required use be briefly described it should be apparent that, below describe in
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not paying creative work
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
The schematic flow sheet of the carbide production line that Fig. 1 provides for the embodiment of the present invention one；
The general flow chart of the carbide production line that Fig. 2 provides for the embodiment of the present invention one；
The general flow chart of the preheating furnace unit of the carbide production line that Fig. 3 provides for the embodiment of the present invention one；
The general flow chart of the system for producing calcium carbide that Fig. 4 provides for the embodiment of the present invention two.
Icon: 1- material processing unit；11- breaker；12- mixing arrangement；13- shaped device；2- preheating furnace unit；
21- loading area；22- preheats an area；23- preheats 2nd area；24- reacts an area；25- reacts 6th area；26- discharge zone；3- heat send list
Unit；31- delivery track；311- first delivery track；312- second delivery track；32- conveys tank car；321- first transfer pot
Car；322- second conveys tank car；33- boom hoisting；34- batch can；4- furnace of calcium carbide unit；5- cooling unit.
Specific embodiment
Below in conjunction with accompanying drawing, technical scheme is clearly and completely described with the enforcement it is clear that described
Example is a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of not making creative work, broadly falls into the scope of protection of the invention.
In describing the invention, it should be noted that term " " center ", " on ", D score, "left", "right", " vertical ",
The orientation of instruction such as " level ", " interior ", " outward " or position relationship are based on orientation shown in the drawings or position relationship, merely to
Be easy to describe the present invention and simplify description, rather than instruction or the hint device of indication or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.Additionally, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that indicating or hint relative importance.
In describing the invention, it should be noted that 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 is integrally connected；Can
To be to be mechanically connected or electrical connection；Can be to be joined directly together it is also possible to be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Embodiment one
Referring to shown in Fig. 1-Fig. 3, present embodiments providing a kind of carbide production line；The carbide that Fig. 1 provides for the present embodiment
The schematic flow sheet of production line；The general flow chart of the carbide production line that Fig. 2 provides for the present embodiment；Fig. 3 provides for the present embodiment
The preheating furnace unit of carbide production line general flow chart.In order to more be apparent from carbide production line, in Fig. 1 mark a,
B is the raw material of material processing unit, and such as a represents feed coal, and b represents quick lime；C is to release in preheating furnace unit pyrolytic process
The gases such as the oil gas put；D refines the tail gas of release during carbide for furnace of calcium carbide unit, and e produces for the refining of furnace of calcium carbide unit
Carbide.
Referring to shown in Fig. 1-Fig. 3, the carbide production line that the present embodiment provides, comprising:
Material processing unit 1, for processing raw material, and raw material is processed into first time intermediate products；Preferably, former
Material is feed coal and quick lime.Further, feed coal can be for example low order powdery raw coal.First time intermediate products are for example
Broken, ore grinding, mixed-forming mixing pelletizing can be sequentially passed through for feed coal and quick lime.By material processing unit 1, with
Raw material disposal is to meet the requirement product that preheating furnace unit 2 is pyrolyzed.
Preheating furnace unit 2, for receiving the first time intermediate products of material processing unit 1 conveying, and will be middle for the first time
Product treatment is to have second intermediate products of high temperature；Second intermediate products can be for example the material through pressure ball, screening
Ball, and the hot activity pelletizing with high temperature through pyrolysis.For example, 600 DEG C -900 DEG C of the residuals temperatures of hot activity pelletizing
Left and right.
Heat send unit 3 and furnace of calcium carbide unit 4；Heat send unit 3 to produce in the middle of second of preheating furnace unit 2 conveying for receiving
Product, and second intermediate products with high temperature are delivered to furnace of calcium carbide unit 4；Furnace of calcium carbide unit 4 has high temperature for reception
Second intermediate products, and second intermediate products is refined as carbide.
Carbide production line described in the present embodiment, send unit 3 and electricity including material processing unit 1, preheating furnace unit 2, heat
Stone stove unit 4；So that the have semi-coke of high temperature or hot activity pelletizing etc. that preheating furnace unit 2 is handled well produce in the middle of for the second time
Product, send unit 3 to be delivered to furnace of calcium carbide unit 4 by heat and are refined；Creatively by the coal pyrolysis technique of preheating furnace unit 2
It is coupled with the carbide production technology of furnace of calcium carbide unit 4, to make full use of second intermediate products in calcium carbide production process
Sensible heat, so that sensible heat substitutes part electric energy, reduces the power consumption of traditional mode of production carbide, energy saving；Also reduce to raw material
Requirement so that the wide adaptability of raw material, cheap, be not required to the high-quality resources such as coke, semicoke, anthracite in production process
As raw material, only dust in calcium carbide production process need to be solved from source dirty using cheap middle low order, powdery coal resources
Contaminate serious problem.Simultaneously because the use of powder, heat transfer between material, mass transfer rate is also made to accelerate, response speed is accelerated,
Thus reducing the electric energy of the consumption such as body of heater radiating, electrical equipment heat waste.Additionally, in preheating furnace unit 2 raw coal and Calx batch mixing pelletizing be (i.e.
First time intermediate products) by pyrolysis processing when, the harmful element such as sulfur and hydrargyrum in coal can be removed in a large number, further reduce electricity
Environmental pollution in stone production process.Compared with existing carbide production technology, the carbide production line of the application has raw material and adapts to
Property wide, carbide produce that power consumption is few, pollution is low, energy conversion efficiency is high, good economy performance the features such as.
In the alternative of the present embodiment, material processing unit 1 includes breaker 11, mixing arrangement 12 and shaped device
13；Raw material includes feed coal and quick lime.
Breaker 11 is used for for feed coal being crushed to the raw material coal particle meeting preset standard, and is used for quick lime
It is crushed to the quicklime particles meeting preset standard；The granularity of raw material coal particle, the preset standard example of the granularity of quicklime particles
As 0-100 mesh can be respectively.
Mixing arrangement 12 is used for according to preset ratio mixed material coal particle and quicklime particles, and forms blend feedstock；
The ratio of raw material coal particle and quicklime particles is, for example, 1:1.3-1.6.
Shaped device 13 is used for blend feedstock agglomeration molding, and forms first time intermediate products.First time intermediate products
It can be for example the mixing pelletizing such as 40mm × 29mm × 20mm, 50mm × 30mm × 30mm.
Alternatively, breaker 11 includes disintegrating machine and ore mill.
Disintegrating machine is used for for feed coal being crushed to the feed coal bulky grain meeting preset standard, and for breaking quick lime
It is broken to the quick lime bulky grain meeting preset standard；Preferably, the oarse-grained granularity of feed coal, quick lime oarse-grained granularity
Preset standard for example can be respectively 0-3mm.
Ore mill is used for for feed coal bulky grain being broken for raw material coal particle, and for being broken for quick lime bulky grain
Quicklime particles.By disintegrating machine respectively feed coal, quick lime are broken for bulky grain, and then continued broken by ore mill
For standard compliant raw material coal particle and quicklime particles.
Alternatively, mixing arrangement 12 includes mixer and surge bunker；Mixer is used for according to preset ratio mixed material coal
Granule and quicklime particles, to form blend feedstock, and are delivered to surge bunker storage.
Alternatively, blend feedstock is quantitatively transferred to spiral heating conveyer by screw(-type) feeder by surge bunker, and spiral adds
Heated conveying machine is used for heating blend feedstock and blend feedstock being delivered to shaped device 13.Preferably, spiral heating conveyer will
Blend feedstock sends into shaped device 13 after being heated to 80-120 DEG C.
In the alternative of the present embodiment, preheating furnace unit 2 includes ball press and preheating furnace.
Ball press is used for receiving the first time intermediate products of material processing unit 1 conveying, and suppresses first time intermediate products
To form pelletizing.
Preheating furnace is used for receiving the pelletizing of ball press conveying, and pelletizing is pyrolyzed, to be processed as hot activity pelletizing；Hot
Active pelletizing is second intermediate products with high temperature.
Specifically, the first time intermediate products such as the mixing pelletizing coming from material processing unit 1 conveying, through ball press compacting
Become pelletizing, and through screening, make qualified pelletizing enter many lattice feed bin on preheating furnace charging door top, by being located at every lattice feed bin
Unload the batcher device of feed opening, the feed into preheating furnace, automatically control the flow of material according to furnace bottom velocity of rotation, meet continuous
The requirement of cloth；Preferably, pelletizing is thick in preheating furnace upper berth 100-200mm.
The furnace bottom uniform rotation of preheating furnace, carries pelletizing on furnace bottom for the cloth and sequentially passes through each section.By regulating stove
Bottom velocity of rotation, thus it is possible to vary pelletizing heats up time of pyrolysis in stove.Intensification pyrolysis time in stove for the pelletizing is generally 1-2
Hour.
Preferably, the pyrolysis installation of preheating furnace is circular ring type burner hearth；Circular ring type burner hearth is divided into loading area 21, preheating one area
22nd, preheating two areas 23, reaction one area 24 are to reacting six areas 25 and discharge zone 26.Pelletizing moves with preheating furnace, experiences above-mentioned each area
After complete pyrolytic process, release the oil gas such as dry distillation gas and be sent to oil gas collection area and carry out Oil-gas Separation, remaining temperature is 600-
900 DEG C about second intermediate products heat of hot activity pelletizing deliver to furnace of calcium carbide unit 4 and smelted.
In the alternative of the present embodiment, heat send unit 3 to include delivery track 31 and conveying tank car 32；Conveying tank car 32 is used
In second intermediate products receiving preheating furnace unit 2 conveying, and will there are second intermediate products of high temperature along delivery track
31 are delivered to furnace of calcium carbide unit 4.By delivery track 31 and conveying tank car 32, in order to send second from preheating furnace unit 2 heat
Intermediate products are to furnace of calcium carbide unit 4.
Alternatively, heat send unit 3 also to include boom hoisting 33.Boom hoisting 33 can be for example crane, crane etc..
Delivery track 31 includes the first delivery track 311 and the second delivery track 312, and conveying tank car 32 includes the first conveying
Tank car 321 and the second conveying tank car 322；The batch can 34 of the first conveying tank car 321 is used for receiving the second of preheating furnace unit 2 conveying
Secondary intermediate products, and second intermediate products with high temperature are delivered to hoisting area along the first delivery track 311；Boom hoisting 33
For the batch can 34 of the first conveying tank car 321 positioned at hoisting area is lifted to the second conveying tank car 322；Second conveying tank car
322 are refined for batch can 34 is delivered to furnace of calcium carbide unit 4 along the second delivery track 312.
Wherein, the first conveying tank car 321 and the second conveying tank car 322 can arrange one or more batch can 34；Preferably
Ground, the first conveying tank car 321 can arrange two batch cans 34, and the second conveying tank car 322 can arrange a batch can 34.
For example, heat send the preheating furnace of unit 3 and the furnace of calcium carbide of furnace of calcium carbide unit 4 to be in low platform and the Gao Ping of relative elevation
Platform；First delivery track 311 is used for being arranged on low platform, and the first conveying tank car 321 operating in the first delivery track 311 is
Extra quality tank car, that is, first conveying tank car 321 two batch cans 34 can be set；Second delivery track 312 is used for being arranged on high platform
On, the second conveying tank car 322 operating in the second delivery track 312 is pure tank car, and that is, the second conveying tank car 322 can be arranged
One batch can 34.Batch can 34 passes through the boom hoisting such as crane, crane 33 and conveys tank car 322 in the first conveying tank car 321, second
Between alternately place, namely batch can 34 alternate run on two-layer platform.
The high temperature active pelletizing (i.e. second intermediate products) being heated by preheating furnace unit 2, the discharging opening of preheated stove and
Discharge duct, enters in the batch can 34 of the first conveying tank car 321 on the first delivery track 311 of low platform, stop after material is full to
Material, and close the inlet valve of preheating furnace.First conveying tank car 321 automatic running is to hoisting area, the boom hoisting such as bridge crane
33, by batch can 34, reprint the second conveying tank car 322 to the second delivery track 312 of high platform, accept the second of batch can 34
To above calcium carbide furnace charging mouth, batch can 34 discharging opening is automatically aligned conveying tank car 322 automatic running with calcium carbide furnace charging mouth, opens
Batch can 34 discharge valve starts discharging.After material is unsnatched, reverse execution above step, empty batch can 34 is delivered to the first conveying of low platform
The first conveying tank car 321 on track 311.
The first conveying tank car 321 in above step, after batch can 34 is lifted, on the low degree of an also surplus empty tank
Run simultaneously, to the charging of preheating furnace discharging opening, and run to Heave Here, wait the slack tank unsnatching material to furnace of calcium carbide to be subjected.
Whole switch and action are controlled via dcs system, with front and back's equipment linkage control, high degree of automation；High
Geo-stationary between temperature activity pelletizing and batch can, material pulverization rate is less than 1%；Using high-performance insulation material, course of conveying temperature
Degree reduces less than 50 DEG C.
Alternatively, it is that the furnace charge of high temperature active pelletizing (i.e. second intermediate products) enters closed calcium carbide furnace, power supply is by becoming
Depressor induces current in stove through three-phase electrode, electrode by furnace charge between produce electric arc heating be transmitted to the burner hearth filling furnace charge,
By arc heat and resistance heat, heating of Activated pelletizing simultaneously reduces, is melted into carbide.During the course of the reaction, electrode in stove steadily
Be inserted in furnace charge, gas equably escapes from whole charge level.Electric arc does not expose from start to finish, and furnace charge adds with the decline of charge level
In stove, charge level in stove is made to keep certain height, surrounding them assumes flat cone shape.
The carbide smelted, comes out of the stove once from fire door every 30-40 minute, and melting carbide flows into the carbide on trailer wagon
In pot, cooling Factory Building to is moved dolly by hoist engine and is cooled down.
Required according to industry and information portion bulletin " calcium carbide industry entry criteria (revision in 2014) ", newly-built or reorganization and expansion is electric
Stone production line must be using advanced closed calcium carbide furnace, and separate unit heat size is not less than 40000 kilovolt-amperes, builds total capacity (once
Property build up) be greater than 150000 kilovolt-amperes, calcium carbide industry maximization, closure, environmental protection and energy saving development important in inhibiting, and save
Can lower consumption, then be the task of top priority, the most important thing.
The carbide production line of the present embodiment is directly warm by 600-900 DEG C of high-temp solid material after being pyrolyzed preheating furnace
It is sent into material to closed calcium carbide furnace, the sensible heat making full use of material reduces energy consumption, to reduce the energy consumption that existing carbide produces, from
And reduce the production cost of carbide.This carbide production line is integrated with heat storage type combustion, radial canal heating, the high warm of preheating furnace
Solution, high warm are sent into the advanced technologies such as material, and subversive use powdery raw coal and quick lime prepare carbide for raw materials for production.
Described carbide production line has the advantage that
(1) creatively coal pyrolysis technique is coupled with carbide production technology.Adaptability to raw material is wide, cheap,
It is not required to the high-quality resources such as coke, semicoke, anthracite as raw material in production process, only need to be using cheap middle low order, powdery coal
Charcoal resource, ton carbide raw material cost reduces 300-500 unit；
(2) process energy consumption is low, the thermal efficiency is high.Using regenerative combustion technology, radial canal heating technique, the high warm of preheating furnace
Solution technology, high warm are sent into material technology, take full advantage of the sensible heat of product, reduce technique power consumption 600- in calcium carbide production process
700 KWhs/ton, the integrated artistic thermal efficiency is high；
(3) environmental friendliness.This technique achieves the complete utilization of powder raw material, solves in calcium carbide production process from source
The serious problem of dust pollution.When raw coal and Calx batch mixing pelletizing pass through pyrolysis processing simultaneously, can remove in a large number in coal sulfur and
The harmful elements such as hydrargyrum, in production process, the discharge capacity of the atmosphere pollution such as nitrogen oxides, oxysulfide, pm2.5 compares traditional handicraft
Decline more than 80%；
(4) good economy performance.Using low price powder coal as raw material, the energy substantial amounts of tar of by-product and coke-stove gas in pyrolytic process,
Greatly improve the economy of integrated artistic, ton carbide income improves 500-700 unit；
(5) calcium carbide stove exhaust that furnace of calcium carbide unit produces can be used for pressure-variable adsorption psa extraction carbon monoxide and then is used for making
Standby acetic acid, turns waste into wealth, environmental friendliness, low production cost, economic benefits.
Embodiment two
Embodiment two provides a kind of system for producing calcium carbide, and this embodiment includes the carbide production line described in embodiment one,
The technical characteristic of the carbide production line disclosed in embodiment one is also applied for this embodiment, and the published carbide of embodiment one produces
The technical characteristic of line is not repeated to describe.
The general flow chart of the system for producing calcium carbide that Fig. 4 provides for the present embodiment.
Shown in Figure 4, the system for producing calcium carbide that the present embodiment provides, including cooling unit 5 and carbide production line；Described
Cooling unit 5 is used for receiving the carbide of described furnace of calcium carbide unit 4 conveying, and makes described carbide cooling.Cooling unit is for example permissible
For cooling Factory Building, chiller etc..
System for producing calcium carbide described in the present embodiment has the advantages that carbide production line described in embodiment one, embodiment one institute
The advantage here of disclosed described carbide production line is not repeated to describe.
Embodiment three
Embodiment three provides a kind of calcium carbide production method, and the calcium carbide production method described in this embodiment is applied to embodiment
Carbide production line described in one, the technical characteristic of the carbide production line disclosed in embodiment one is also applied for this embodiment, implements
The technical characteristic of the published carbide production line of example one is not repeated to describe.
The calcium carbide production method that the present embodiment provides, is applied to carbide production line, comprises the steps:
Material processing unit processes raw material and raw material is processed into first time intermediate products；
Preheating furnace cell processing first time intermediate products, and first time intermediate products are processed as second with high temperature
Intermediate products；
Heat send unit that described second intermediate products with high temperature are delivered to furnace of calcium carbide unit；
Furnace of calcium carbide unit refines described second intermediate products for carbide.
Calcium carbide production method described in the present embodiment, good for preheating furnace cell processing is had the semi-coke of high temperature or hot work
Second intermediate products such as property pelletizing, send unit transportation to be refined to furnace of calcium carbide unit by heat；Creatively by preheating furnace
The coal pyrolysis technique of unit is coupled with the carbide production technology of furnace of calcium carbide unit, to make full use of in calcium carbide production process
The sensible heat of second intermediate products, so that sensible heat substitutes part electric energy, reduces the power consumption of traditional mode of production carbide, energy saving；
Also reduce the requirement to raw material so that the wide adaptability of raw material, cheap, be not required in production process coke, semicoke,
The high-quality resources such as anthracite, as raw material, only need to solve carbide using cheap middle low order, powdery coal resources from source
The serious problem of dust pollution in production process.Simultaneously because the use of powder, heat transfer, mass transfer rate between material is also made to add
Hurry up, response speed is accelerated, thus reducing the electric energy of the consumption such as body of heater radiating, electrical equipment heat waste.Additionally, in preheating furnace unit raw coal with
When Calx batch mixing pelletizing (i.e. first time intermediate products) passes through pyrolysis processing, harmful unit such as sulfur and hydrargyrum in coal can be removed in a large number
Element, further reduces the environmental pollution in calcium carbide production process.Compared with existing carbide production technology, the carbide life of the application
Product method has that adaptability to raw material is wide, carbide produces that power consumption is few, pollution is low, energy conversion efficiency is high, good economy performance the features such as.
Finally it is noted that various embodiments above, only in order to technical scheme to be described, is not intended to limit；To the greatest extent
Pipe has been described in detail to the present invention with reference to foregoing embodiments, it will be understood by those within the art that: its according to
So the technical scheme described in foregoing embodiments can be modified, or wherein some or all of technical characteristic is entered
Row equivalent；And these modifications or replacement, do not make the essence of appropriate technical solution depart from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. a kind of carbide production line is it is characterised in that include:
Material processing unit, for processing raw material, and raw material is processed into first time intermediate products；
Preheating furnace unit, for receiving the first time intermediate products of described material processing unit conveying, and by described first time
Between product treatment be that there are second intermediate products of high temperature；
Heat send unit and furnace of calcium carbide unit；Described heat send unit to be used for receiving product in the middle of second of described preheating furnace unit transportation
Product, and described second intermediate products with high temperature are delivered to described furnace of calcium carbide unit；Described furnace of calcium carbide unit is used for connecing
Receive described second intermediate products with high temperature, and described second intermediate products are refined as carbide.
2. carbide production line according to claim 1 it is characterised in that described material processing unit include breaker,
Mixing arrangement and shaped device；Described raw material includes feed coal and quick lime；
Described breaker is used for for described feed coal being crushed to the raw material coal particle meeting preset standard, and for will be described
Quick lime is crushed to the quicklime particles meeting preset standard；
Described mixing arrangement is used for according to preset ratio mixed material coal particle and quicklime particles, and forms blend feedstock；
Described shaped device is used for described blend feedstock agglomeration molding, and forms described first time intermediate products.
3. carbide production line according to claim 2 is it is characterised in that described breaker includes disintegrating machine and ore grinding
Machine；
Described disintegrating machine is used for for described feed coal being crushed to the feed coal bulky grain meeting preset standard, and for will be described
Quick lime is crushed to the quick lime bulky grain meeting preset standard；
Described ore mill is used for for described feed coal bulky grain being broken for described raw material coal particle, and is used for described quick lime
Bulky grain is broken for described quicklime particles.
4. carbide production line according to claim 2 is it is characterised in that described mixing arrangement includes mixer and buffering
Storehouse；Described mixer is used for according to preset ratio mixed material coal particle and quicklime particles, to form blend feedstock, and conveys
To described surge bunker storage.
5. carbide production line according to claim 4 will be it is characterised in that described surge bunker will be mixed by screw(-type) feeder
To spiral heating conveyer, described spiral heating conveyer is used for heating blend feedstock and being delivered to blend feedstock feedstock transportation
Described shaped device.
6. carbide production line according to claim 1 is it is characterised in that described preheating furnace unit includes ball press and preheating
Stove；
Described ball press is used for receiving the first time intermediate products of described material processing unit conveying, and suppresses in described first time
Between product to form pelletizing；
Described preheating furnace is used for receiving the pelletizing of described ball press conveying, and described pelletizing is pyrolyzed, to be processed as hot activity
Pelletizing；Described hot activity pelletizing is second intermediate products with high temperature.
7. carbide production line according to claim 1 is it is characterised in that described heat send unit to include delivery track and conveying
Tank car；Described transfer pot car is used for receiving second intermediate products of described preheating furnace unit transportation, and will have the institute of high temperature
State second intermediate products and be delivered to described furnace of calcium carbide unit along described delivery track.
8. carbide production line according to claim 7 is it is characterised in that described heat send unit also to include boom hoisting；
Described delivery track includes the first delivery track and the second delivery track, described conveying tank car include the first conveying tank car and
Second conveying tank car；The batch can of described first conveying tank car is used for receiving product in the middle of second of described preheating furnace unit transportation
Product, and described second intermediate products with high temperature are delivered to hoisting area along described first delivery track；Described boom hoisting
For the batch can of the described first conveying tank car positioned at described hoisting area is lifted to the described second conveying tank car；Described second
Transfer pot car is used for for described batch being delivered to described furnace of calcium carbide unit along described second delivery track.
9. a kind of system for producing calcium carbide is it is characterised in that include the carbide life described in cooling unit and any one of claim 1-8
Producing line；Described cooling unit is used for receiving the carbide of described furnace of calcium carbide unit transportation, and makes described carbide cooling.
10. a kind of production method of the carbide production line being applied to described in any one of claim 1-8 is it is characterised in that include
Following steps:
Material processing unit processes raw material and raw material is processed into first time intermediate products；
Preheating furnace cell processing first time intermediate products, and first time intermediate products are processed as have in the middle of second of high temperature
Product；
Heat send unit that described second intermediate products with high temperature are delivered to furnace of calcium carbide unit；
Furnace of calcium carbide unit refines described second intermediate products for carbide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611070204.8A CN106348300A (en) | 2016-11-25 | 2016-11-25 | Calcium carbide production line, calcium carbide production system and calcium carbide production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611070204.8A CN106348300A (en) | 2016-11-25 | 2016-11-25 | Calcium carbide production line, calcium carbide production system and calcium carbide production method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106348300A true CN106348300A (en) | 2017-01-25 |
Family
ID=57861831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611070204.8A Pending CN106348300A (en) | 2016-11-25 | 2016-11-25 | Calcium carbide production line, calcium carbide production system and calcium carbide production method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106348300A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108593039A (en) * | 2018-04-13 | 2018-09-28 | 内蒙古呼和浩特市立信电气技术有限责任公司 | A kind of infrared ray metering device and infrared ray metering system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101693536A (en) * | 2009-10-22 | 2010-04-14 | 上海宝钢工程技术有限公司 | Hot commissioning test run technology of calcium carbide |
| CN202465284U (en) * | 2012-03-09 | 2012-10-03 | 李远明 | Calcium carbide production system |
| CN105776218A (en) * | 2016-05-10 | 2016-07-20 | 神雾环保技术股份有限公司 | Calcium carbide preparation system and method |
-
2016
- 2016-11-25 CN CN201611070204.8A patent/CN106348300A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101693536A (en) * | 2009-10-22 | 2010-04-14 | 上海宝钢工程技术有限公司 | Hot commissioning test run technology of calcium carbide |
| CN202465284U (en) * | 2012-03-09 | 2012-10-03 | 李远明 | Calcium carbide production system |
| CN105776218A (en) * | 2016-05-10 | 2016-07-20 | 神雾环保技术股份有限公司 | Calcium carbide preparation system and method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108593039A (en) * | 2018-04-13 | 2018-09-28 | 内蒙古呼和浩特市立信电气技术有限责任公司 | A kind of infrared ray metering device and infrared ray metering system |
| CN108593039B (en) * | 2018-04-13 | 2024-05-03 | 内蒙古呼和浩特市立信电气技术有限责任公司 | Infrared metering device and infrared metering system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102951640B (en) | Calcium carbide producing device | |
| CN1896286B (en) | Method for producing direct iron-reduction by iron-ore briquet self-production reproduced gas | |
| KR101324254B1 (en) | Method and apparatus for ironmaking using full-oxygen hydrogen-rich gas | |
| CN111471817A (en) | Gas quenching method for improving stability of steel slag and recovering physical heat of molten steel slag | |
| CN106564900A (en) | Clean, efficient and safe process for preparing calcium carbide powder through molten-state calcium carbide cooling | |
| CN218884626U (en) | Coal gangue sintering material shaft furnace cooling device | |
| CN107091569A (en) | Rotary kiln and the polygenerations systeme that metal hydride is produced using the rotary kiln | |
| CN106868245A (en) | A kind of molten iron making processes of two-step method | |
| CN101749947B (en) | Petroleum coke calcining process and equipment for large-capacity pot-type calcining furnace | |
| CN102277463B (en) | Reduction furnace and device for producing direct reduced iron | |
| CN109680114B (en) | System and method for gasifying pulverized coal and reducing iron ore in cooperation | |
| CN113222146A (en) | Operation behavior record management method, system and equipment | |
| CN108411131B (en) | Manganese-silicon alloy production system and manganese-silicon alloy production process | |
| CN102491329B (en) | Thermal feeding method and device for calcium carbide furnace | |
| CN115896379B (en) | Application method of European smelting furnace system for iron making by utilizing scrap steel | |
| CN106348300A (en) | Calcium carbide production line, calcium carbide production system and calcium carbide production method | |
| CN210399936U (en) | Clean sintering system based on fuel preparation and roasting control | |
| CN202201915U (en) | Reduction furnace and directly reduced iron production device | |
| CN106834578A (en) | System and method associated with a kind of gas-based shaft kiln and electric furnace | |
| CN206219217U (en) | Calcium carbide production line and its system | |
| CN101693536B (en) | Hot feeding technology of calcium carbide | |
| CN206666572U (en) | Utilize the process system of vanadium titano-magnetite production molten casting iron | |
| CN2921740Y (en) | Internal and external heating vertical passway reduction furnace | |
| CN106191431B (en) | A kind of reduction reaction system and method for the aqueous pelletizing of lateritic nickel ore | |
| CN104593530A (en) | High-temperature tempering and curing method of liquid slag and equipment system of method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170125 |
|
| RJ01 | Rejection of invention patent application after publication |