CN106631070B - A kind of titanium carbon base is cold to make material and its preparation method and application firm by ramming - Google Patents
A kind of titanium carbon base is cold to make material and its preparation method and application firm by ramming Download PDFInfo
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- CN106631070B CN106631070B CN201611244534.4A CN201611244534A CN106631070B CN 106631070 B CN106631070 B CN 106631070B CN 201611244534 A CN201611244534 A CN 201611244534A CN 106631070 B CN106631070 B CN 106631070B
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/66—Monolithic refractories or refractory mortars, including those whether or not containing clay
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- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The invention belongs to fire resisting material field more particularly to a kind of titanium carbon base it is cold make firm by ramming material and its preparation method and application.Titanium carbon base is cold to make material firm by ramming, and raw material and its parts by weight are high titanium slag 55%-60%, expansion type benzene plate particle 5%-10%, the broken 5%-10% of graphite, rutile 2-5%, titanium carbide 2-5%, boric acid 5%-8%, binder 15%-18%.The titanium carbon base, which makes material smelting process firm by ramming, not will cause environmental pollution, and at low cost.
Description
Technical field
The invention belongs to fire resisting material field more particularly to a kind of titanium carbon base it is cold make firm by ramming material and its preparation method and application.
Background technique
China's titanium dioxide and titanium sponge industry development are rapid in recent years, since high titanium slag Ti content is high, " three wastes " yield
Few, the utilization rate of resource and the energy is high, and can help to improve the quality of product, and the demand of China's high titanium slag increases rapidly.
In recent years, the annual high titanium slag turnover in the whole world was all at 1,000,000,000 dollars or more.High titanium slag is formed by physics production process
Titanium ore enriched substance is commonly called as, and heats fusing titanium ore by electric furnace, and titanium dioxide and iron in titanium ore is made to melt dioxy obtained after separation
Change the enriched substance of titanium high-content.High titanium slag is neither waste residue, nor by-product, but produce titanium tetrachloride, titanium dioxide and sea
The quality raw materials of continuous titanium products.
Although the yield of domestic high titanium slag is constantly expanding, but still can not meet domestic powerful demand, need every year into
The a large amount of high titanium slag of mouth makees notch supplement.Most of high titanium slag manufacturers, China use the small-sized mine heat furnace smelting of opened type, furnace
Type is generally (1200-6300) KVA electric furnace, and technique is smelted using fluffy material, and disposable blanking, interruption is come out of the stove.The high titanium in present China
Slag manufacturing enterprise all directly enters furnace using bulk cargo to reduce cost.Due to being smelted using fluffy material, after bulk cargo enters furnace, gas permeability
Difference, charge level sintering is undesirable, often generates to collapse and expects phenomenon, and causing opening to smelt after the material that collapses, heat loss is big, and the duration of heat is long, power consumption
Amount is high.And contain a large amount of binder pitch in bulk cargo, pitch contains 70% volatile matter, after the material that collapses, can generate moment a large amount of
Black flue dust, the blower smelted in area can not be excluded in moment, cause serious environmental pollution；And smashing furnace process
There is a large amount of black flue dust to generate, because containing a large amount of poisonous and harmful substance in coking pitch, not only pollutes environment, but also right
The health of operator causes damages.Therefore, the dedicated material of high-titanium slag smelting for developing a kind of environmental protection seems especially heavy
It wants.
Summary of the invention
In view of the above-mentioned problems, the present invention, which provides a kind of titanium carbon base, makes material and its preparation method and application firm by ramming.The titanium carbon base is smash
Admittedly material smelting process not will cause environmental pollution, and at low cost.
To achieve the goals above, titanium carbon base provided by the invention is cold makes material firm by ramming, and raw material and its parts by weight are high titanium
Slag 55%-60%, expansion type benzene plate particle 5%-10%, the broken 5%-10% of graphite, rutile 2-5%, titanium carbide 2-5%, boric acid 5%-8%,
Binder 15%-18%.
The titanium carbon base is cold to make material firm by ramming, raw material and its parts by weight be high titanium slag 55%, expansion type benzene plate particle 10%,
Graphite is broken 10%, rutile 3%, titanium carbide 2%, boric acid 5%, binder 15%；The partial size of particle is 10- in the high titanium slag
The partial size of 15mm, particle are 5-10mm, and the partial size of particle is 1-5mm and the partial size of particle is 200 mesh weight fraction ratio below
For 2:1:1:2；The expansion type benzene plate grain diameter is 3-5mm；The broken partial size of the graphite is 15-25mm；Described
The partial size of rutile is 0.5-1mm；The partial size of the titanium carbide is 0.5-1mm；The binder is sodium humate, phosphoric acid
Or one of epoxy resin.
To achieve the goals above, the present invention also provides a kind of cold preparation method for making material firm by ramming of titanium carbon base, specific steps are such as
Under: by high titanium slag, expansion type benzene plate, rutile, titanium carbide and graphite is broken is broken into required different grain size, is added after mixing
Binder and boric acid are placed in strong stirring pot, are stirred 30 minutes, 30 revs/min, are made material by knotting or making firm by ramming and can be sticked to
State together is best, discharging.
The titanium carbon base is cold make firm by ramming material can be used for the bell of high titanium slag electric furnace, the furnace bottom of high titanium slag electric furnace and
The protective layer of the furnace wall of high titanium slag electric furnace.
The high titanium slag electric furnace is preferably small-sized open electric furnace.
The preparation method of the bell protective layer, the specific steps are as follows: first water cooled cover is turned over, high temperature towards
On, dross nail is welded, titanium carbon base is made firm by ramming material and shakeouts in high temperature face, thickness generally between (120-150) mm, uses rammer compacter
Compacting, drying, for temperature at 500 DEG C or so, the time is that for 24 hours, can be obtained with the bell for making material protective layer firm by ramming.
Beneficial effects of the present invention.
The problem of present invention is generally directed to open electric furnace smelting high titanium slag traditional handicrafts, is improved, and is realized
Disposable charging, and the smelting of fluffy material is changed to closed continuous charging and is smelted, the present invention is installed additional in the fire door of open electric furnace smashes
Gu expecting the bell of production；It is difficult to accomplish however, installing bell additional on open electric furnace in the prior art, because bell distance is high
Warm area is close, and distance, hereinafter, under being chronically at hot conditions, can all be incited somebody to action in 1.5m using bell made of existing any material
It burns, and service life is very short；If existing electric furnace refractory material mainly has two major classes using existing refractory material:
Magnesia and aluminum, and high titanium slag is smelted and mainly restores the iron in concentrated ilmenite, to achieve the purpose that titanium is enriched with.Such as
Fruit makes bell firm by ramming using magnesium, aluminum fire resistant materials, and magnesium, aluminium element all enter inside high titanium slag after fusing or oxidation, to make
It is excessively high at the impurity content inside high titanium slag, influence the purity and quality of product.Repeatedly practising and testing by many years, discovery
Titanium carbon base of the invention makes material firm by ramming, can efficiently solve this problem；It is of the invention make firm by ramming material high temperature resistant (1600 DEG C with
On), it is anti-oxidant and melt after or oxidation after will not influence matallurgical products quality.And after titanium carbon base of the invention smashes material scaling loss
It not only will not influence product quality, but also without also reusable after scaling loss partial crushing, reduce operating cost, practice is sent out
The bell that the existing present invention makes firm by ramming scaling loss can could occur by 500 furnaces or so, be then crushed, and repetition, which is processed into, makes firm by ramming
Material re-uses.
Of the invention material of making firm by ramming applies also for newly-built EAF bottom protective layer, that is, substitutes the bottom paste used over；Simultaneously
The of the invention protective layer made material firm by ramming and apply also for production furnace wall, due to smelting for a long time, there is oxidization burning loss and thinning in furnace wall,
A tire is made in thorax, which is added to the centre of tire and furnace wall, thickness can play protection stove depending on the scaling loss degree of furnace wall
Wall, can effective prolonging furnace age.
Benzene plate of giving up in the present invention is broken into 3-5mm, is added in mixture, and main rise reduces material density, after being allowed to sintering
Some honeycombs are generated, achieve the effect that heat-insulation and heat-preservation.The thermal expansion coefficient that material can also be reduced simultaneously, prevents from being cracked and fall off；
Select graphite is broken to do bulky grain aggregate in the present invention, graphite is broken have intensity height, good toughness, high temperature resistant, it is corrosion-resistant, anti-oxidant,
The features such as deflection is small after heated；Rutile and titanium carbide all tend towards stability, and are not easy to be oxidized, and stabilizer work is played in material
With；At 200 DEG C or more, boric acid viscosity is preferable, use process in, can play the role of enhance bond effect；The present invention
Make technique firm by ramming using cold, mainly consider environmental protection importance, the present invention used in binder be sodium humate, phosphoric acid or
One of epoxy resin, without using the pitch in common process, one side pitch under normal temperature conditions without cementation,
Another aspect pitch contains 70% volatile matter, makes mistakes if controlled its additive amount, serious influence will be caused on production environment, and
The present invention selection do three kinds of binders at normal temperature, very strong cementation can be played, which kind of is specifically chosen can be according to reality
Whether purchasing convenient in the production of border, depending on buying market price height.
The present invention solves problem of environmental pollution, and realize the effect of energy-saving and emission-reduction using closed smelting mode is covered
Fruit；The labor intensity of worker reduces (without smashing furnace) significantly simultaneously, and cost of labor declines to a great extent, and the working environment of worker also obtains
Improve；Specifically, domestic small-sized smelting titanium slag with electric stove is all manually to smash furnace, and it is more than usually 6 people of bottom class, operation one
Platform 1800KVA electric furnace；The bell made of material of the present invention smashes furnace due to not having to after smelting furnace capping, and the labour of worker is strong
Degree reduces more than half, and 6 people can operate the electric furnace of two 1800KVA, and cost of labor reduces half；In general, often
240 yuan/ton of labor wage of product of ton, product labor wage per ton is 120 yuan/ton after transformation, and every electric furnace monthly output is 240
Ton, the bell production cost monthly used is about 2000 yuan, it can be seen that i.e. monthly production cost saves 26800 yuan, is converted to
Product per ton can save 26800/240=111.67 yuan, greatly reduce production cost.In addition, being made firm by ramming using what the present invention was made into
Bell made of expecting, smelting equipment become closing by opening, and heat loss is reduced, to reach economize on electricity purpose, transformation front and back is compared,
Product per ton can economize on electricity 200 degree or so.
Specific embodiment
The present invention is further illustrated combined with specific embodiments below.
Embodiment 1.
Titanium carbon base is cold to make material firm by ramming, and raw material and its parts by weight are that high titanium slag 55%, expansion type benzene plate particle 10%, graphite are broken
10%, rutile 3%, titanium carbide 2%, boric acid 5%, sodium humate 15%；The partial size of particle is 10-15mm in the high titanium slag,
The partial size of grain is 5-10mm, and the partial size of particle is 1-5mm and the partial size of particle be 200 mesh weight fraction ratio below is 2:1:1:
2；The broken partial size of the graphite is 15-25mm.
The cold preparation method for making material firm by ramming of titanium carbon base, the specific steps are as follows: by high titanium slag, expansion type benzene plate, rutile, carbon
Change titanium and graphite is broken is broken into required different grain size, binder and boric acid are added after mixing, is placed in strong stirring pot, 30
Rev/min, stir 30 minutes, make material by knot or make firm by ramming can coherent state it is best, discharging.
Embodiment 2.
Titanium carbon base is cold to make material firm by ramming, and raw material and its parts by weight are that high titanium slag 56%, expansion type benzene plate particle 8%, graphite are broken
9%, rutile 2.5%, titanium carbide 2.5%, boric acid 6%, phosphatase 11 6%.
Embodiment 3.
Titanium carbon base is cold to make material firm by ramming, and raw material and its parts by weight are that high titanium slag 60%, expansion type benzene plate particle 5%, graphite are broken
5%, rutile 2%, titanium carbide 2%, boric acid 8%, epoxy resin 18%.
In order to further study the cold bell service life for making material preparation firm by ramming of the present invention, while being carried out using existing material
Bell is made firm by ramming, and by smelting for a long time, the heat for breakage occur to bell is counted, and the results are shown in Table 1.
The cold bell made firm by ramming of 15 kinds of materials of table uses heat statistical result.
It can be seen that longer using the bell protective layer service life that the present invention makes material production firm by ramming.
Claims (9)
1. a kind of titanium carbon base is cold to make material firm by ramming, which is characterized in that the cold raw material for making material firm by ramming of the titanium carbon base and its parts by weight are height
Titanium slag 55%-60%, expansion type benzene plate particle 5%-10%, the broken 5%-10% of graphite, rutile 2-5%, titanium carbide 2-5%, boric acid 5%-
8%, binder 15%-18%.
2. titanium carbon base as described in claim 1 is cold to make material firm by ramming, which is characterized in that the cold raw material for making material firm by ramming of the titanium carbon base and its
Parts by weight are that high titanium slag 55%, expansion type benzene plate particle 10%, graphite is broken 10%, rutile 3%, titanium carbide 2%, boric acid 5%, bonding
Agent 15%.
3. titanium carbon base as claimed in claim 2 is cold to make material firm by ramming, which is characterized in that the cold raw material for making material firm by ramming and its parts by weight
Number is that high titanium slag 55%, expansion type benzene plate particle 10%, graphite is broken 10%, rutile 3%, titanium carbide 2%, boric acid 5%, sodium humate
15%。
4. titanium carbon base as described in claim 1 is cold to make material firm by ramming, which is characterized in that the cold raw material for making material firm by ramming of the titanium carbon base and its
Parts by weight are that high titanium slag 56%, expansion type benzene plate particle 8%, graphite is broken 9%, rutile 2.5%, titanium carbide 2.5%, boric acid 6%, phosphorus
Acid 16%.
5. titanium carbon base as described in claim 1 is cold to make material firm by ramming, which is characterized in that the cold raw material for making material firm by ramming of the titanium carbon base and its
Parts by weight are that high titanium slag 60%, expansion type benzene plate particle 5%, graphite is broken 5%, rutile 2%, titanium carbide 2%, boric acid 8%, asphalt mixtures modified by epoxy resin
Rouge 18%.
6. titanium carbon base as described in claim 1 is cold to make material firm by ramming, which is characterized in that the partial size of particle is in the high titanium slag
The partial size of 10-15mm, particle are 5-10mm, and the partial size of particle is 1-5mm and the partial size of particle is 200 mesh weight fraction below
Than for 2:1:1:2；The expansion type benzene plate grain diameter is 3-5mm；The broken partial size of the graphite is 15-25mm；It is described
Binder be one of sodium humate, phosphoric acid or epoxy resin.
7. titanium carbon base as described in claim 1-6 is any is cold to make material firm by ramming, which is characterized in that specifically the preparation method is as follows: by high
Titanium slag, expansion type benzene plate, rutile, titanium carbide, graphite are broken to be broken into required different grain size, after mixing be added binder and
Boric acid is placed in strong stirring pot, is stirred 30 minutes, 30 revs/min, is made material can coherent shape by knotting or making firm by ramming
State is best, discharging.
8. titanium carbon base as described in claim 1-6 is any is cold to make material firm by ramming, bell, the high titanium slag of high titanium slag electric furnace can be used for
The protective layer of the furnace wall of the furnace bottom and high titanium slag electric furnace of electric furnace.
9. titanium carbon base as claimed in claim 8 is cold to make material firm by ramming, which is characterized in that the specific preparation method of the bell protective layer
It is as follows: first water cooled cover to turn over, high temperature faces upward, and welds dross nail, makes titanium carbon base firm by ramming material and shakeout in high temperature face, thick
Degree is tamped generally between (120-150) mm with rammer compacter, is dried, and for temperature at 500 DEG C or so, the time is that for 24 hours, can be obtained
Bell makes material protective layer firm by ramming.
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| CN201611244534.4A CN106631070B (en) | 2016-12-29 | 2016-12-29 | A kind of titanium carbon base is cold to make material and its preparation method and application firm by ramming |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1678808A1 (en) * | 1989-10-11 | 1991-09-23 | Всесоюзный государственный институт научно-исследовательских и проектных работ огнеупорной промышленности | Ramming mass for obtaining corundum refractory |
| CN102355759A (en) * | 2011-07-22 | 2012-02-15 | 河北联冠电极股份有限公司 | Charcoal electrode specially used in smelting of ferroalloy and preparation method thereof |
| CN102718506A (en) * | 2011-03-31 | 2012-10-10 | 上海宝钢工业检测公司 | Refractory composition for pure hydrogen atmosphere high temperature furnace |
| CN106830950A (en) * | 2016-12-02 | 2017-06-13 | 江苏省冶金设计院有限公司 | Refractory material and preparation method thereof |
-
2016
- 2016-12-29 CN CN201611244534.4A patent/CN106631070B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1678808A1 (en) * | 1989-10-11 | 1991-09-23 | Всесоюзный государственный институт научно-исследовательских и проектных работ огнеупорной промышленности | Ramming mass for obtaining corundum refractory |
| CN102718506A (en) * | 2011-03-31 | 2012-10-10 | 上海宝钢工业检测公司 | Refractory composition for pure hydrogen atmosphere high temperature furnace |
| CN102355759A (en) * | 2011-07-22 | 2012-02-15 | 河北联冠电极股份有限公司 | Charcoal electrode specially used in smelting of ferroalloy and preparation method thereof |
| CN106830950A (en) * | 2016-12-02 | 2017-06-13 | 江苏省冶金设计院有限公司 | Refractory material and preparation method thereof |
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Address after: Fuxin City, Liaoning province 123000 Coal City Road, Haizhou district (Pingxi Industrial Zone) Patentee after: Jiuxing titanium material (Liaoning) Co., Ltd Address before: Fuxin City, Liaoning province 123000 Coal City Road, Haizhou district (Pingxi Industrial Zone) Patentee before: Liaoning Jiuxing Titanium Co., Ltd. |