CN109181726A - Biomass carbon block and preparation method and the method for smelting for utilizing biomass carbon block reducting pellet - Google Patents
Biomass carbon block and preparation method and the method for smelting for utilizing biomass carbon block reducting pellet Download PDFInfo
- Publication number
- CN109181726A CN109181726A CN201811060024.0A CN201811060024A CN109181726A CN 109181726 A CN109181726 A CN 109181726A CN 201811060024 A CN201811060024 A CN 201811060024A CN 109181726 A CN109181726 A CN 109181726A
- Authority
- CN
- China
- Prior art keywords
- carbon block
- biomass carbon
- ball
- block
- stalk
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
- C10B53/02—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of cellulose-containing material
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B1/00—Retorts
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B57/00—Other carbonising or coking processes; Features of destructive distillation processes in general
- C10B57/005—After-treatment of coke, e.g. calcination desulfurization
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B57/00—Other carbonising or coking processes; Features of destructive distillation processes in general
- C10B57/08—Non-mechanical pretreatment of the charge, e.g. desulfurization
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B57/00—Other carbonising or coking processes; Features of destructive distillation processes in general
- C10B57/08—Non-mechanical pretreatment of the charge, e.g. desulfurization
- C10B57/10—Drying
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B5/00—Making pig-iron in the blast furnace
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Metallurgy (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
Abstract
The present invention relates to Metal Melting technical fields, and in particular to biomass carbon block and preparation method and the method for smelting using biomass carbon block reducting pellet.A kind of biomass carbon block of the present invention and preparation method and the method for smelting using biomass carbon block reducting pellet, wherein biomass carbon block includes the charcoal block main body being made of graininess carbon powder and carbon block accessory body, carbon block accessory body is outsides that are multiple and being uniformly arranged on charcoal block body, and the charcoal block main body is ball-shaped or ellipse.The present invention passes through the ball-type being prefabricated into or oval biomass carbon block and preparation method instead of the coke in conventional iron-smelting process, has not only carried out normal Metal Melting, has also achieved the economic benefit and social benefit of energy conservation and environmental protection.
Description
Technical field
The invention belongs to Metal Melting technical fields, and in particular to biomass carbon block and preparation method and utilize biomass
The method of smelting of carbon block reducting pellet.
Background technique
The technical process that metallic iron is extract from iron-bearing mineral mainly has blast furnace process, direct-reduction process, melting also
Former method and plasma method.Ironmaking is that iron gets rusty, gradually driving in the wrong direction for mineralising is, ironmaking be in iron-containing compound pure iron also
The process that original comes out.Traditional blast furnace is a kind of full oxygen blast furnace technique of oxygen air blast+top gas recycling, using oxygen drum
Wind, stock gas remove CO2Afterwards, it is preheating to 900-1300 DEG C, is recirculated back to blast furnace utilization.Wherein, iron coke technology by using
It is mixed with Iron Ore Powder, is made as the production for producing crude fuel progress coal mine by the cheap non-coal or micro- coal that coheres of cohering
At bulk, heating destructive distillation is carried out with continuous furnace and obtains processing using professional equipment, most containing three one-tenth iron, seventy percent burnt iron coke
The ironmaking achievement as primitive technology can be obtained by smelting afterwards.
It is smelted iron currently, some is proposed using biomass, wherein biomass refers to that animal, plant, microorganism are logical
The organic matter of metabolism generation is crossed, this organic matter is theoretically well suited for carrying out pyrolysis behavior, and can come with carburizing temperature
The reduction for realizing CO2 emissions, is one of the new energy in this field.By studies have shown that biomass and waste plastics
It is well suited for applying in certain techniques of blast furnace ironmaking, and does not need the consumption of additional people, material resources, financial resources.Life therein
Substance can replace the reducing agents such as coal dust and carry out blast furnace blowing, also have certain advantage compared to coal dust, such as can control
The content of carbon dioxide, moreover it is possible to improve the reducing power of raw material, and reduce the temperature of blast furnace zone of constant temperature, obtain gas more
Good utilization.
But replace coke there is also technology barrier using biomass, it can't preferably apply between occurring in blast furnace
The iron-smelting process for connecing reduction haves the defects that the extent of reaction is lower, reduction reaction efficiency of combustion is poor.
Summary of the invention
The technical problem to be solved in the present invention is that the biomass carbon block and preparation method that provide and utilizing biomass carbon
The method of smelting of block reducting pellet realizes the generation in iron-smelting process by the structure setting and preparation method of biomass carbon block
The coke in conventional iron-smelting process has been replaced, has achieved the purpose that the iron in efficient reducing iron ore.
For achieving the above object, a kind of biomass carbon block provided by the invention, including be made of graininess carbon powder
Charcoal block main body and carbon block accessory body, the carbon block accessory body be outsides that are multiple and being uniformly arranged on charcoal block body.
Preferred technical solution, the charcoal block main body are ball-shaped or ellipse.
Preferred technical solution, is equipped with the air flue of perforation inside each carbon block accessory body, in each air flue
Portion is equipped with Venturi tube, and an opening of the air flue is high port, is arranged far from the position of charcoal block body, the air flue
Another opening is low port, is positioned close to the position of charcoal block body, the high port and low port are equipped with horn shape
The cross section of the first opening and the second opening, second opening is greater than the cross section of the first opening.
Preferred technical solution, the carbon block accessory body are dome-type or up-small and down-big trapezoidal-structure.
Set inside preferred technical solution, the dome-type or up-small and down-big trapezoidal-structure there are two intersect and that
The air flue of this connection.
The side dimension range of preferred technical solution, the charcoal block main body and carbon block accessory body is 40-60mm.
Preferred technical solution, the present invention also provides a kind of method for preparing biomass carbon block, the preparation method packet
Include following steps:
Stalk is crushed by step 1) using crusher, and the broken length range of stalk is 0.50mm-0.80mm；
Broken stalk is cleaned in sequence, filtered and is dried by step 2), the stalk fragment dried；
Stalk fragment is placed in retort and carries out charing process by step 3), the carbonization temperature range setting of retort
It is 200~250 DEG C, the carbonization time of retort is set as 30min~90min, and the stalk being dehydrated is crushed carbide, simultaneously
Resulting coal tar oil and gas is recycled, by the coal gas of collection and coal tar deposit air accumulator and tar tank, by air accumulator
The connection of the coal gas interface of interface and blast furnace, provides coal gas for blast furnace；
The stalk that step 4) obtains is crushed carbide and is sent into the punching press case of rectangular shape, breaks stalk using with press machine
Broken carbide is suppressed into plate structure, and the density range of plate structure is 1.5g/cm3~1.9g/cm3, every piece of plate knot
Structure is with a thickness of between 0.3mm~0.7mm；
Plate structure is cut into several cube structures, the cube structure side length model using cutting equipment by step 5)
It encloses for 0.3mm~0.7mm；
The cube structure is sent into ball crusher and carries out brokenly ball by step 6), and being worn into as diameter range is 0.25-
The content of the charing ball of 0.6mm, the charing ball is 35~50%, then the fine powder in ball crusher is collected, and is sent into
In punching press case in step 4), raw material is provided to strike out plate junction structure again；
Step 7) mixes obtained charing ball and resin according to the ratio that bonding ratio is 1:0.05~0.10, for charing
Ball carries out coating processing, obtains resin coating charing ball, sprays into parting agent in the mold of bimodulus die sinking, sprayed using hyperbar
Equipment by overlay film charing ball be ejected into in the block-shaped corresponding bimodulus mold of biomass carbon, with compressed air be 1.0~
1.60mpa carries out injection pressure forming；To the block-shaped molding of biomass carbon is made after bimodulus mold hot briquetting, bimodulus mould is opened
Tool, takes out molding biomass carbon block.
Preferred technical solution, bimodulus described in the step 7) die sinking mold in be equipped with and air flue shape and position phase
Corresponding mold core.
The present invention also provides a kind of method of smelting using biomass carbon block reducting pellet, the method for smelting include with
Lower step:
Step 1) open blast furnace furnace bell jar, with feeding device by the prefabricated biomass carbon block of proper ratio, iron ore and
Furnace charge solvent is sent into blast furnace by layer, closes furnace bell jar；
Step 2) oxygen jet and coal nozzle open simultaneously work；
Step 3) opens blast furnace flue gas equipment, carries out fume treatment；
Step 4) igniting after, open connect with oxygen and coal nozzle send oxygen device and convey gas fitting, feeding coal
Gas, oxygen and coal dust carry out coal dust and oxygen-enriched blasting, make 900-1300 DEG C of in-furnace temperature, carry out reduction reaction；
Step 5) opens tapping hole, releases the molten iron by reduction.
The coke ratio of preferred technical solution, the biomass carbon block in the method for smelting is with common coke ratio constant ra-tio
1.15~1.25:1.
Compared with prior art, the present invention having the following beneficial effects:
1, the present invention provides one kind more instead of the coke in blast furnace reduction iron production using biomaterial as the energy
Good melting mode and technique.
2, the present invention can not only substitute for coke carry out reducting pellet, also achieve energy conservation and environmental protection economic benefit and society
Benefit.
Detailed description of the invention
Fig. 1 is the internal structure chart of the embodiment 1 of biomass carbon block of the present invention；
Fig. 2 is another internal structure chart of the embodiment 1 of the biomass carbon block；
Fig. 3 is 2 internal structure chart of embodiment of biomass carbon block of the present invention；
Fig. 4 is another internal structure chart for inventing the embodiment 2 of the biomass carbon block；
Fig. 5 is the flow chart of preparation biomass carbon block of the present invention；
Fig. 6 is the flow diagram of blast furnace reducting pellet method of smelting of the present invention.
Appended drawing reference
In figure: 1-carbon block main body；2-carbon block accessory bodies；3-air flues；4-the first opening；5-the second opening.
Specific embodiment
It is described in detail below with reference to specific embodiment of the attached drawing to this.
Embodiment 1
As shown in Figs. 1-2, this kind of biomass carbon block provided by the invention, including the carbon block being made of graininess carbon powder
Main body 1 and carbon block accessory body 2, the carbon block accessory body 2 is outsides that are multiple and being uniformly arranged on charcoal block body 1, excellent in the present embodiment
The technical solution of choosing, the charcoal block main body 1 are ball-shaped or ellipse.Wherein, it is equipped with and passes through inside each carbon block accessory body 2
The middle part of logical air flue 3, each air flue 3 is equipped with Venturi tube, and when being used to improve efficiency of combustion, one of air flue 3 is open
For high port, it is arranged far from the position of charcoal block body 1, another opening of the air flue 3 is low port, is positioned close to carbon block
The position of ontology 1, the high port and low port are equipped with the first opening 4 and the second opening 5 of horn shape, and described second opens
Mouthfuls 5 cross section is greater than the cross section of the first opening 4, when oxygen and heat pass through air flue 3, Venturi tube therein, second
Form negative pressure in opening 5 and the first opening 4, make the smoothly quickly movement upwards of coal gas, coal dust and oxygen, improve efficiency of combustion and plus
The speed of fast iron reduction reaction.Preferred technical solution in the present embodiment, carbon block accessory body 2 are dome-type or up-small and down-big ladder type
Structure, dome-type or up-small and down-big trapezoidal-structure can guarantee having between iron ore, between biomass carbon block and iron ore
Certain interval can provide sufficient oxygen and coal gas when burning, progress reduction reaction in time；
In the present embodiment, the side dimension range of charcoal block main body 1 and carbon block accessory body 2 is 40-60mm, charcoal block main body 1 and charcoal
It is size similar with the size on the outside of coke briquette, side dimension 40mm, 45mm, 50mm, 55mm or 60mm that block accessory body 2, which is selected,
Block grain, or select 40mm, 45mm, 50mm, 55mm or 60mm hybrid particles.
The present invention also provides a kind of method for preparing biomass carbon block, as shown in figure 5, the preparation method includes following
Step:
Stalk is crushed by step 1) using crusher, and the broken length range of stalk is 0.50mm-0.80mm, the present embodiment
The broken length of middle selection stalk is respectively 0.50mm, 0.60mm, 0.70mm, 0.75mm or 0.80mm；
Above-mentioned broken stalk is cleaned in sequence, filtered and is dried by step 2), and the stalk dried is broken
Object；
Stalk fragment is placed in retort and carries out charing process by step 3), the carbonization temperature range setting of retort
It is 200~250 DEG C, the retort that it is 240 DEG C that the present embodiment, which is selected, carbonization time range is set as 30min~90min,
In the preferred time be 30min, 45min, 60min, 70min, 80min, 85min or 90min respectively, the charcoal that the present embodiment is selected
The change time is 60min, this time not only can guarantee charing efficiency, but also can guarantee charred effect.The present embodiment selection is 240 DEG C
The retort of temperature after the stalk being dehydrated is crushed carbide, while resulting coal tar oil and gas being able to carry out back
It receives, and by the coal gas of collection and coal tar deposit air accumulator and tar tank, the coal gas interface of air accumulator interface and blast furnace is connected,
Coal gas is provided for blast furnace, is used to energy saving；
The stalk that step 4) obtains is crushed carbide and is sent into the punching press case of rectangular shape, breaks stalk using with press machine
Broken carbide is suppressed into plate structure, and the density range for obtaining plate structure is 1.5g/cm3~1.9g/cm3, preferred density
For 1.5g/cm3,1.6g/cm3、1.7g/cm3、1.7g/cm3Or 1.9g/cm3, prevent the duration to burn in burning short,
Or referred to as vigor is not lasting, every piece of plate structure is with a thickness of between 0.3mm~0.7mm；
Plate structure is cut into several cube structures, the cube structure side length model using cutting equipment by step 5)
It encloses for 0.3mm~0.7mm；
The cube structure is sent into ball crusher and carries out brokenly ball by step 6), and being worn into as diameter range is 0.25-
The charing ball of 0.6mm becomes smaller in the abrading-ball of ball crusher due to cube structure side length, so what can be obtained is worn into as diameter
Lesser charing ball, wherein ensuring compliance with the content of the charing ball of 0.25-0.6mm between 35-50%；Again by abrading-ball after abrading-ball
Fine powder in machine is collected, and is sent into the punching press case in step 4), is provided raw material again to strike out plate junction structure；
Step 7) mixes obtained charing ball and resin according to the ratio that bonding ratio is 1:0.05~0.10, this implementation
Example in resin select be furane resins, for charing ball carry out coating processing, obtain resin coating charing ball, and selection it is upper,
Parting agent is sprayed into the mold of flowering structure bimodulus die sinking, it is graphite powder that parting agent, which is selected,；The spraying equipment of hyperbar gas is used again
It is interior that overlay film charing ball is ejected into in the block-shaped corresponding upper and lower structure bimodulus mold of biomass carbon, be with compressed air
1.0~1.6mpa carries out injection pressure and enters mold, the pressure that it is 1.4.mpa that the present embodiment, which is selected,；To upper and lower structure bimodulus mould
Make the block-shaped molding of biomass carbon after tool hot briquetting, opens bimodulus mold, take out molding biomass carbon block.It is wherein preferred
Technical solution, the mold of the die sinking of bimodulus described in the step 7) is interior to be equipped with mold core corresponding with 3 shape of air flue and position,
Form the structure of the air flue 3 in carbon block accessory body 2 after being opened.
The present invention also provides a kind of method of smelting using biomass carbon block reducting pellet, as shown in fig. 6, the melting
Method the following steps are included:
Step 1) open blast furnace furnace bell jar, with feeding device by the prefabricated biomass carbon block of proper ratio, iron ore and
Furnace charge solvent is sent into blast furnace by layer, closes furnace bell jar；The coke of biomass carbon block in preferred technical solution in method of smelting
Than with common coke ratio constant ra-tio be 1.15~1.25:1, general biomass carbon block coke ratio selection numerical value coke ratio constant with
Common coke ratio constant ra-tio is higher by 15%-25%, in the present embodiment, selects large-scale 3200 type of blast furnace model, commonly
Coke ratio 380kg/t, the coke ratio of biomass carbon block are preferably 450kg/t；Medium-sized 1080 type of melting blast furnace model, it is common burnt
Than 350kg/t, the coke ratio of biomass carbon block is preferably 420kg/t；Small-sized 450 type of melting blast furnace model, common coke ratio
300kg/t, the coke ratio of biomass carbon block are preferably 360kg/t.
Step 2) oxygen jet and coal nozzle open simultaneously work；
Step 3) opens blast furnace flue gas equipment, carries out fume treatment；
Step 4) igniting after, open connect with oxygen and coal nozzle send oxygen device and convey gas fitting, feeding coal
Gas, oxygen and coal dust carry out coal dust and oxygen-enriched blasting, make 900-1300 DEG C of in-furnace temperature, carry out reduction reaction；
Step 5) opens tapping hole, releases the molten iron by reduction.
Embodiment 2
As shown in Figures 3 and 4, the present embodiment is further improved on the basis of embodiment 1, and difference is: this reality
The biomass carbon block of example offer is provided, there is dome-type or up-small and down-big trapezoidal-structure, what is be internally provided with is two mutually friendships
The air flue 3 pitched and communicated with each other, wherein can be formed in the Venturi tube of setting, the second opening 5 and the first opening 4 simultaneously negative
Pressure more easily provides sufficient oxygen, coal gas and biological fuel value for the reduction reaction in blast furnace, from different directions into
Gas and gap is increased, both can guarantee burning and reduction reaction, also provided in time and another provide sufficient oxygen and coal gas
Mode, more improve reduction reaction efficiency, can more play the effect of save the cost and the energy.
This preferred embodiment and embodiment are explained in detail above in conjunction with attached drawing, but are originally not limited to
The above-described embodiment and examples can also not depart from this design within the knowledge of those skilled in the art
Under the premise of make a variety of changes.
Claims (10)
1. biomass carbon block, which is characterized in that including the charcoal block main body (1) being made of graininess carbon powder and carbon block accessory body (2),
The carbon block accessory body (2) is outsides that are multiple and being uniformly arranged on charcoal block body (1).
2. biomass carbon block according to claim 1, which is characterized in that the charcoal block main body (1) is ball-shaped or ellipse.
3. biomass carbon block according to claim 1, which is characterized in that be equipped with and pass through inside each carbon block accessory body (2)
Logical air flue (3), the middle part of each air flue (3) are equipped with Venturi tube, and an opening of the air flue (3) is high port,
It is arranged far from the position of charcoal block body (1), another opening of the air flue (3) is low port, is positioned close to charcoal block body
(1) the first opening (4) and second that position, the high port and low port are equipped with horn shape is open (5), and described second
The cross section of opening (5) is greater than the cross section of the first opening (4).
4. biomass carbon block according to claim 3, which is characterized in that the carbon block accessory body (2) be dome-type or it is upper it is small under
Big trapezoidal-structure.
5. biomass carbon block according to claim 4, which is characterized in that in the dome-type or up-small and down-big trapezoidal-structure
Portion sets that there are two the air flues (3) that intersect and communicate with each other.
6. according to claim 1 or the 4 biomass carbon blocks, which is characterized in that the charcoal block main body (1) and carbon block accessory body (2)
Side dimension range be 40-60mm.
7. a kind of prepare any method using biomass carbon block of claim 1 to 6, which is characterized in that the preparation side
Method the following steps are included:
Stalk is crushed by step 1) using crusher, and the broken length range of stalk is 0.50mm-0.80mm；
Broken stalk is cleaned in sequence, filtered and is dried by step 2), the stalk fragment dried；
Stalk fragment is placed in retort and carries out charing process by step 3), and the carbonization temperature range of retort is set as
200~250 DEG C, the carbonization time of retort is set as 30min~90min, and the stalk being dehydrated is crushed carbide, simultaneously will
Resulting coal tar oil and gas is recycled, and the coal gas of collection and coal tar deposit air accumulator and tar tank connect air accumulator
Mouth is connect with the coal gas interface of blast furnace, provides coal gas for blast furnace；
The stalk that step 4) obtains is crushed carbide and is sent into the stamping die case of rectangular shape, breaks stalk using with press machine
Broken carbide is suppressed into plate structure, and the density range of the plate structure is 1.5g/cm3~1.9g/cm3, every block of plate
Shape structural thickness is between 0.3mm~0.7mm；
Plate structure is cut into several cube structures using cutting equipment by step 5), and the cube structure side size range is
0.3mm~0.7mm；
The cube structure is sent into ball crusher and carries out brokenly ball by step 6), and being worn into as diameter range is 0.25-0.6mm's
Ball is carbonized, the content of the charing ball is 35~50%, then the fine powder in ball crusher is collected, and loopback enters step 4)
In stamping die case in, provide raw material again to strike out plate junction structure；
Step 7) by obtain charing ball and resin according to bonding ratio be 1:0.05~0.10 ratio mix, for charing ball into
Row coating processing obtains resin coating charing ball, parting agent is sprayed into the mold of bimodulus die sinking, using hyperbar spraying equipment
By overlay film charing ball be ejected into in the block-shaped corresponding bimodulus mold of biomass carbon, with compressed air be 1.10~
1.60mpa carries out injection pressure forming；To biomass carbon formation of lots is made after upper and lower bimodulus mold hot briquetting, bimodulus mould is opened
Tool, takes out molding biomass carbon block.
8. utilizing the method for biomass carbon block according to claim 7, which is characterized in that bimodulus described in the step 7) is opened
Mold core corresponding with air flue shape and position is equipped in the mold of mould.
9. a kind of using any method of smelting using biomass carbon block reducting pellet of claim 1 to 6, feature exists
In, the method for smelting the following steps are included:
Step 1) opens the furnace bell jar of blast furnace, with biomass carbon block, iron ore and the furnace charge that feeding device is prefabricated by proper ratio
Solvent is sent into blast furnace by layer, closes furnace bell jar；
Step 2) oxygen jet and coal nozzle open simultaneously；
Step 3) opens the flue gas equipment of blast furnace, carries out fume treatment；
Step 4) igniting after, open connect with oxygen and coal nozzle send oxygen device and convey gas fitting, feeding coal gas, oxygen
Gas and coal dust carry out coal dust and oxygen-enriched blasting, make 900-1300 DEG C of in-furnace temperature, carry out metal and roll into a ball reduction reaction；
Step 5) opens tapping hole, releases the molten iron by reduction.
10. utilizing the method for smelting of biomass carbon block reducting pellet according to claim 9, which is characterized in that the melting
The coke ratio of biomass carbon block in method and common coke ratio constant ra-tio are 1.15~1.25:1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811060024.0A CN109181726B (en) | 2018-09-12 | 2018-09-12 | Biomass carbon block and preparation method thereof, and smelting method of biomass carbon block reduction pellets |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811060024.0A CN109181726B (en) | 2018-09-12 | 2018-09-12 | Biomass carbon block and preparation method thereof, and smelting method of biomass carbon block reduction pellets |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109181726A true CN109181726A (en) | 2019-01-11 |
| CN109181726B CN109181726B (en) | 2020-09-29 |
Family
ID=64910206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811060024.0A Active CN109181726B (en) | 2018-09-12 | 2018-09-12 | Biomass carbon block and preparation method thereof, and smelting method of biomass carbon block reduction pellets |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109181726B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112280577A (en) * | 2020-09-27 | 2021-01-29 | 四川轻化工大学 | Preparation and processing method of blast furnace injection biomass coke |
| CN114774146A (en) * | 2022-04-20 | 2022-07-22 | 北京科技大学 | Preparation method of high-density biomass hydrogen-rich micro powder for blast furnace injection |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201186921Y (en) * | 2008-01-29 | 2009-01-28 | 汪新立 | Gear-shaped clean molded coal |
| CN201190154Y (en) * | 2008-04-03 | 2009-02-04 | 肖国雄 | Fast burning molded coal |
| CN203451496U (en) * | 2013-08-24 | 2014-02-26 | 吉安市林业科学研究所 | Bamboo waste briquette fuel |
| CN205188235U (en) * | 2015-11-02 | 2016-04-27 | 东北林业大学 | Prismatic shape living beings solid shaping charcoal fuel rod |
-
2018
- 2018-09-12 CN CN201811060024.0A patent/CN109181726B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201186921Y (en) * | 2008-01-29 | 2009-01-28 | 汪新立 | Gear-shaped clean molded coal |
| CN201190154Y (en) * | 2008-04-03 | 2009-02-04 | 肖国雄 | Fast burning molded coal |
| CN203451496U (en) * | 2013-08-24 | 2014-02-26 | 吉安市林业科学研究所 | Bamboo waste briquette fuel |
| CN205188235U (en) * | 2015-11-02 | 2016-04-27 | 东北林业大学 | Prismatic shape living beings solid shaping charcoal fuel rod |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112280577A (en) * | 2020-09-27 | 2021-01-29 | 四川轻化工大学 | Preparation and processing method of blast furnace injection biomass coke |
| CN114774146A (en) * | 2022-04-20 | 2022-07-22 | 北京科技大学 | Preparation method of high-density biomass hydrogen-rich micro powder for blast furnace injection |
| CN114774146B (en) * | 2022-04-20 | 2024-03-29 | 北京科技大学 | Preparation method of high-density biomass hydrogen-rich micro powder for blast furnace injection |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109181726B (en) | 2020-09-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110923387B (en) | Iron-containing metallurgical slag particle step waste heat recovery and direct reduction system and method | |
| CN101736112B (en) | Method for fusing and reducing iron from copper residue by blowing inert gas | |
| CN104846209B (en) | A kind of system and method for step-by-step reduction recovery ferrum and coal gasification recovery waste heat from molten copper slag | |
| CN102424876B (en) | Non-blast-furnace iron making process for directly reducing vanadium titanomagnetite through gas-based shaft furnace | |
| WO2021042699A1 (en) | Double-melt bath organic solid waste blowing gasification device | |
| CN202415574U (en) | Molten slag quenching and dry granulating and sensible heat recovery power generation system | |
| CN110195139B (en) | Iron ore low-temperature reduction-normal-temperature slag-iron separation-electric furnace steel making process | |
| CN102851415A (en) | Recycling system of blast furnace slag heat | |
| CN108219807A (en) | A kind of preparation method of blast furnace biomass iron coke | |
| CN100587086C (en) | Method for modifying non-ferrous metal copper slag/nickel slag by using combustible matter and preparing high-grade fuel | |
| CN113736940B (en) | Method for treating copper slag by rotary hearth furnace | |
| CN101724721A (en) | Process for producing molten hot molten iron | |
| CN109181726A (en) | Biomass carbon block and preparation method and the method for smelting for utilizing biomass carbon block reducting pellet | |
| CN113699370A (en) | Process for producing semisteel by coal-based hydrogen metallurgy, hot agglomeration and electric furnace in iron ore concentrate rotary kiln | |
| CN103276294A (en) | Method for rapidly reducing nickel slag to produce iron-nickel-copper alloy powder in kiln under reducing atmosphere | |
| CN111748686A (en) | Process for producing metallized furnace charge by directly reducing nonferrous smelting slag | |
| CN101928800A (en) | Method for directly reducing carbon-bearing ferromagnetic metal pellets by adopting sensible heat of raw gases | |
| CN111910083A (en) | Blast furnace recycling smelting equipment and method for lead-containing material | |
| CN109957431A (en) | A method of iron coke Composite burden is produced using steel rolling sludge | |
| CN214694260U (en) | Direct smelting process device for iron-containing zinc-containing solid waste in iron and steel plant | |
| CN110819793B (en) | Thick material layer sintering production method | |
| CN110184405B (en) | Method and device for producing molten iron by adopting acidic carbon-containing metallized pellets | |
| CN205718453U (en) | Series connection Flash Smelting Furnace | |
| CN109136430B (en) | Biomass carbon block and smelting method for reducing metallic iron by biomass carbon block | |
| CN110592305A (en) | Double-kiln double-base metallurgy method |
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 | ||
| CB03 | Change of inventor or designer information |
Inventor after: She Xuefeng Inventor before: She Xuefeng Inventor before: Wei Xiuquan |
|
| CB03 | Change of inventor or designer information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |