CN105798280A - Drainage agent - Google Patents
Drainage agent Download PDFInfo
- Publication number
- CN105798280A CN105798280A CN201610234506.8A CN201610234506A CN105798280A CN 105798280 A CN105798280 A CN 105798280A CN 201610234506 A CN201610234506 A CN 201610234506A CN 105798280 A CN105798280 A CN 105798280A
- Authority
- CN
- China
- Prior art keywords
- raw material
- cylinder
- drainage agent
- cooled
- brick bed
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/14—Closures
- B22D41/44—Consumable closure means, i.e. closure means being used only once
-
- 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
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/12—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on chromium oxide
-
- 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
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3241—Chromium oxides, chromates, or oxide-forming salts thereof
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3418—Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3427—Silicates other than clay, e.g. water glass
- C04B2235/3463—Alumino-silicates other than clay, e.g. mullite
- C04B2235/3472—Alkali metal alumino-silicates other than clay, e.g. spodumene, alkali feldspars such as albite or orthoclase, micas such as muscovite, zeolites such as natrolite
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
- C04B2235/422—Carbon
- C04B2235/424—Carbon black
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
- C04B2235/422—Carbon
- C04B2235/425—Graphite
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/54—Particle size related information
- C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
- C04B2235/5427—Particle size related information expressed by the size of the particles or aggregates thereof millimeter or submillimeter sized, i.e. larger than 0,1 mm
Abstract
The invention provides a drainage agent, and belongs to the technical field of metal smelting. The drainage agent is prepared through the steps that gas provided by a gas producer burns in a hot-blast stove to provide a heat source; various raw materials are dried in a roller kang; the dried raw materials are cooled through air cooling; the cooled raw materials are transported into corresponding material bins; batching is carried out according to the formula; feeding and carbon adding are automatically carried; the materials are uniformly mixed in a closed stirring tank; and then, a finished product is automatically packed and stored. According to the drainage agent, the entire technology adopts a full-automatic production line, so that the stability of product quality is guaranteed, the number of operating personnel is reduced, the labor cost is reduced, and the influence of human factors to the product quality is greatly reduced; and dedusting devices are arranged in the links in which dust is easily generated such as the roller kang and the closed stirring tank, and the generated dust is collected and removed, so that the dust pollution is reduced, the environmental protection standard is improved, and the clean and efficient production is achieved.
Description
Technical field
The invention belongs to metal smelt technical field, be specifically related to a kind of drainage agent.
Background technology
Steel ladle drainage agent belongs to a kind of amorphous refractory, adds in ladle upper nozzle, continuous casting steel unwrap in the process of watering can automatic casting, make production process continuously and ensure whole process protection casting, being a kind of required refractory material.
Due to iron and steel production capacity surplus in recent years, iron and steel enterprise is in slight diarrhea or even lossing state mostly, iron and steel enterprise significantly compresses the procurement price of crude fuel to increase profit margin, and steel ladle drainage agent is as a kind of required refractory material, procurement price continues to reduce, and the prices such as the raw material used such as imported from South Africa chrome ore are climbing up and up, in order to promote profit margin, must reducing cost at middle production link, therefore improvement of production process reduction process cost is extremely urgent.Additionally, Environmental Protection in China situation is increasingly severe, original production technology can not meet increasingly higher environmental requirement, and the production technology adopting a kind of high-environmental standard is imperative.Existing steel ladle drainage agent is adopt artificial mixed material mostly, then adds water and joins carbon, then adopts elevator to carry to sand dryer and even adopts adobe kang to dry, and then natural cooling is packed, warehouse-in.The workman of this kind of technique needs is many, adds human cost and the anthropic factor stability to product and also has a great impact, and this type of drying plant is all adopt fire coal to provide thermal source in addition, and efficiency of utilization is low, and environmental pollution is serious.
Summary of the invention
The technical problem to be solved is, for the deficiencies in the prior art, it is provided that a kind of drainage agent, significantly reduces the labor intensity of workman, and environmental protection standard is high, improves steel quality and effectively guarantees the direct motion of continuous casting process.
For solving above-mentioned technical problem, the technical solution adopted in the present invention is: a kind of drainage agent, it is made up of following raw materials according: its percent mass proportioning is as follows: chromium sand 50~80%, Quartz Album sand 10~30%, fused magnesite 8~20%, each raw material granularity controls in claimed range;
Production technology carries out in the steps below:
A, granularity requirements according to formula for a product Raw, be sized to corresponding grade respectively by chrome ore and Desert Sand, the composition of each raw material after metering screening, then by on-the-spot to baking material for each feedstock delivery of meeting formula regulation;
B, it is utilized respectively belt conveyor and is delivered in cylinder a heatable brick bed, utilizing the coal gas produced by gas generator to burn in air stove provides hot blast to dry, the rotating speed of cylinder a heatable brick bed is controlled at 300 revs/min by drying course, air inducing temperature controls at 150 DEG C, make the biodiversity percentage composition < 0.1% in each raw material after drying, when drying different material, need first by clean for the raw material handling in cylinder a heatable brick bed, another kind of raw material can be dried, separation cyclone scrubber is connected in the exit of cylinder a heatable brick bed, the dust produced in drying course is easily separated collection, reach the effect of dedusting;
C, by each feedstock transportation after drying in air-cooled cylinder a heatable brick bed, carrying out wind cooling temperature lowering, make air-cooled after each raw material in biodiversity percentage composition < 0.1% and temperature≤200 DEG C;
D, each raw material after air-cooled is sampled inspection, it is ensured that the biodiversity percentage composition < 0.1% of each raw material;
E, the qualified each raw material of inspection is delivered to respectively through conveyer device the feed bin specified stores, indicate;
F, according to the material rate in formula for a product, according to the production tonnage of each 2,5,8 or 10 tons, calculated the quality of every kind of raw material by Microcomputer Burden System, automatically control blanking and be delivered in closing agitator tank, it is ensured that quality of production error < 5kg every time;
G, by fused magnesite by independent bin blanking to closing in agitator tank, control mixing time at 30min, obtain finished product, close agitator tank exit and connect separation cyclone scrubber and carry out dedusting;
H, gained finished product is sampled inspection, it is ensured that moisture content of finished products weight/mass percentage composition < 0.1%;I, utilize elevator by checking qualified finished product to be delivered in high-order storage tank, prepare packaging continuously;
J, according to packing instructions, control every bag of error in dipping < 0.5kg/ bag;
K, employing automatic packaging machine are packed, the temperature < in packaging process 60 DEG C, the weight/mass percentage composition < 0.1% of moisture;
L, finally by packaging after finished product warehouse-in preserve.
Beneficial effects of the present invention is as follows:
It is thermal source that the present invention adopts the coal gas that gas generator provides to burn in air stove, is first dried in cylinder a heatable brick bed by various raw materials, then utilizes air-cooled cooling, it is delivered in the feed bin of correspondence, adds carbon according to formulation ratio automatic blanking, mix homogeneously in closing agitator tank, then automatically pack, warehouse-in.Integrated artistic of the present invention adopts automatic production line, both ensure that stablizing of product quality, and had decreased again operating personnel's quantity, reduces human cost, also significantly reduces the anthropic factor impact on product quality simultaneously.
Generally, drainage agent sintering character in the mouth of a river, dilatancy are had a great impact, and then affect self-opening rate by the granularmetric composition of stuffing sand, and based on this, corresponding production technology must be got the raw materials ready, and namely pulverize and/or screening link, make raw material be in the grade of regulation.Secondly, the moisture in drainage agent must be strict controlled in the scope of regulation, and initial feed moisture is higher, it is necessary to carries out drying and processing.After drying, owing to temperature is higher, being not suitable for direct batch mixing, it is necessary to cool down further, in order to reduce bringing into of moisture, the present invention adopts air-cooled mode to process, simultaneously the content of moisture in strict control raw material.After raw material after air-cooled carries out automatic gauge, then join carbonaceous material, stirring and evenly mixing, get product.The present invention adopts gas-fired to provide thermal source, efficiency of utilization is high, reduce toxic emission, simultaneously at cylinder a heatable brick bed and close agitator tank and be easily generated the link of dust and be provided with cleaner, so that the dust produced is collected and removes, reduce dust pollution, improve environmental protection standard, it is achieved that clean, efficiently produce.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Fig. 1: the technological process of production schematic diagram of the present invention;
Wherein, A-coal gas, B-hot blast, C, D-conveyer device, E-elevator.
Detailed description of the invention
In order to enable those skilled in the art to better understand the present invention, in conjunction with accompanying drawing 1, it is specifically set forth below.Consult Fig. 1, the production technology of steel ladle drainage agent of the present invention, can carry out in the steps below:
A, get the raw materials ready: according to production requirement, by satisfactory each material screening to corresponding grade, then each raw material ratio on request after screening is measured, by on-the-spot to baking material for the various feedstock delivery measured;
B, dry: the above-mentioned each raw material being transported to baking material scene is utilized respectively conveyer device and is delivered in cylinder a heatable brick bed, utilizing the coal gas produced by gas generator to burn in air stove provides hot blast to dry, in drying course, the rotating speed of cylinder a heatable brick bed is controlled at 300~600 revs/min by the original moisture according to each raw material, air inducing temperature controls at 150~250 DEG C, make the biodiversity percentage composition < 0.1% in each raw material after drying, when drying different material, need first by clean for the raw material handling in cylinder a heatable brick bed, another kind of raw material can be dried, the exit of described cylinder a heatable brick bed connects separation cyclone scrubber;
C, air-cooled: by each feedstock transportation after drying to air-cooled cylinder a heatable brick bed, to carry out wind cooling temperature lowering, make air-cooled after each raw material in biodiversity percentage composition < 0.1% and temperature≤200 DEG C;
D, the examination of materials: conventionally method of inspection sampling inspection above-mentioned air-cooled after each raw material, it is ensured that the biodiversity percentage composition < 0.1% of each raw material;
E, feeding: each acceptable material after air-cooled is delivered to respectively through conveyer device the feed bin specified and stores, indicate, standby;
F, Microcomputerized dosing: according to the material rate in formula for a product, according to the production tonnage of each 2~10 tons, calculated the quality of every kind of material by Microcomputer Burden System, automatically control blanking and be delivered in closing agitator tank, it is desirable to quality of production error < 5kg every time;
G, stirring: by the carbonaceous material such as white carbon black, crystalline flake graphite by independent bin blanking to closing in agitator tank, according to product quality requirement, control mixing time at 10~30min, obtain finished product, closes agitator tank exit connection separation cyclone scrubber and carries out dedusting;
H, product inspection: conventionally method of inspection sampling inspection gained finished product, it is ensured that the weight/mass percentage composition < 0.1% of moisture;
I, conveying: be delivered in high-order storage tank by elevator by finished product, prepare packaging continuously;
J, metering: according to packing instructions, control every bag of error in dipping < 0.5kg/ bag;
K, packaging: according to customer requirement, and adopt automatic packaging machine to pack, packaging process to guarantee temperature < 60 DEG C, the weight/mass percentage composition < 0.1% of moisture;
L, warehouse-in: the finished product warehouse-in after packaging is preserved.
In order to be further elucidated with the present invention in more detail, provide the following example, but these are not intended that limitation of the present invention.
Embodiment one
Certain steel mill's ladle draining sand, formula for a product is the chrome ore comprising 60~70 parts, the alumina balls of 5~15 parts, the Desert Sand of 20~30 parts and 1~5 part of properties modifier, described properties modifier be crystalline flake graphite, in the mixing of super white carbon black and semi-reinforcing hydrocarbon black arbitrary proportion;Wherein, Cr in chrome ore2O3Content >=45%, particle diameter is 0.2~0.9mm, and 80 order≤3%, 20 order≤2%, moisture content≤0.5%, weight percentage;SiO in Desert Sand2Content >=94%, particle diameter is 0.5~1.2mm.
The production technology adopting steel ladle drainage agent of the present invention produces above-mentioned steel ladle drainage agent, can carry out in the steps below:
A, granularity requirements according to formula for a product Raw, be sized to corresponding grade respectively by chrome ore and Desert Sand, the composition of each raw material after metering screening, it is ensured that Cr in chrome ore2O3Content >=45%, SiO in Desert Sand2Content >=94%, then by on-the-spot to baking material for each feedstock delivery of meeting formula regulation;B, it is utilized respectively belt conveyor and is delivered in cylinder a heatable brick bed, utilizing the coal gas produced by gas generator to burn in air stove provides hot blast to dry, the rotating speed of cylinder a heatable brick bed is controlled at 300 revs/min by drying course, air inducing temperature controls at 150 DEG C, make the biodiversity percentage composition < 0.1% in each raw material after drying, when drying different material, need first by clean for the raw material handling in cylinder a heatable brick bed, another kind of raw material can be dried, separation cyclone scrubber is connected in the exit of cylinder a heatable brick bed, the dust produced in drying course is easily separated collection, reach the effect of dedusting;C, by each feedstock transportation after drying in air-cooled cylinder a heatable brick bed, carrying out wind cooling temperature lowering, make air-cooled after each raw material in biodiversity percentage composition < 0.1% and temperature≤200 DEG C;D, each raw material after air-cooled is sampled inspection, it is ensured that the biodiversity percentage composition < 0.1% of each raw material;E, the qualified each raw material of inspection is delivered to respectively through conveyer device the feed bin specified stores, indicate;F, according to the material rate in formula for a product, according to the production tonnage of each 2,5,8 or 10 tons, calculated the quality of every kind of raw material by Microcomputer Burden System, automatically control blanking and be delivered in closing agitator tank, it is ensured that quality of production error < 5kg every time;G, by crystalline flake graphite, in the carbonaceous material that mixes with arbitrary proportion of super white carbon black and semi-reinforcing hydrocarbon black by independent bin blanking to closing in agitator tank, control mixing time at 10min, obtain finished product, close agitator tank exit connection separation cyclone scrubber and carry out dedusting;H, gained finished product is sampled inspection, it is ensured that moisture content of finished products weight/mass percentage composition < 0.1%;I, utilize elevator by checking qualified finished product to be delivered in high-order storage tank, prepare packaging continuously;J, according to packing instructions, control every bag of error in dipping < 0.5kg/ bag;K, employing automatic packaging machine are packed, the temperature < in packaging process 60 DEG C, the weight/mass percentage composition < 0.1% of moisture;L, finally by packaging after finished product warehouse-in preserve.
Embodiment two
Certain steel mill's ladle draining sand, formula for a product is chromium sand 60~76%, wherein the Cr in chromium sand2O3Weight/mass percentage composition >=45%;Sea sand 10~20%, alumina balls 4~9%, Desert Sand 4~9%, potash feldspar 3~5%, carbon black 0.3~0.8%, crystalline flake graphite 0.3~1.0%.The production technology adopting steel ladle drainage agent of the present invention produces above-mentioned steel ladle drainage agent, and its production stage is identical with embodiment one, the difference is that: step B, in drying course, the rotating speed of cylinder a heatable brick bed is controlled at 450 revs/min, air inducing temperature controls at 200 DEG C;Step G, is extremely closed carbon black and crystalline flake graphite in agitator tank by independent bin blanking, controls mixing time at 20min, obtain finished product.
Embodiment three
Certain steel mill's steel ladle drainage agent is made up of following raw materials according: its percent mass proportioning is as follows: chromium sand 50~80%, Quartz Album sand 10~30%, fused magnesite 8~20%, each raw material granularity controls in claimed range.
The production technology adopting steel ladle drainage agent of the present invention produces above-mentioned steel ladle drainage agent, and its production stage is identical with embodiment one, the difference is that: step B, in drying course, the rotating speed of cylinder a heatable brick bed is controlled at 300 revs/min, air inducing temperature controls at 150 DEG C;Step G, by fused magnesite by independent bin blanking to closing in agitator tank, controls mixing time at 30min, obtains finished product.
Claims (1)
1. a drainage agent, it is characterised in that be made up of following raw materials according: its percent mass proportioning is as follows: chromium sand 50~80%, Quartz Album sand 10~30%, fused magnesite 8~20%, each raw material granularity controls in claimed range;
Drainage agent production technology carries out in the steps below:
A, granularity requirements according to formula for a product Raw, be sized to corresponding grade respectively by chrome ore and Desert Sand, the composition of each raw material after metering screening, then by on-the-spot to baking material for each feedstock delivery of meeting formula regulation;
B, it is utilized respectively belt conveyor and is delivered in cylinder a heatable brick bed, utilizing the coal gas produced by gas generator to burn in air stove provides hot blast to dry, the rotating speed of cylinder a heatable brick bed is controlled at 300 revs/min by drying course, air inducing temperature controls at 150 DEG C, make the biodiversity percentage composition < 0.1% in each raw material after drying, when drying different material, need first by clean for the raw material handling in cylinder a heatable brick bed, another kind of raw material can be dried, separation cyclone scrubber is connected in the exit of cylinder a heatable brick bed, the dust produced in drying course is easily separated collection, reach the effect of dedusting;
C, by each feedstock transportation after drying in air-cooled cylinder a heatable brick bed, carrying out wind cooling temperature lowering, make air-cooled after each raw material in biodiversity percentage composition < 0.1% and temperature≤200 DEG C;
D, each raw material after air-cooled is sampled inspection, it is ensured that the biodiversity percentage composition < 0.1% of each raw material;
E, the qualified each raw material of inspection is delivered to respectively through conveyer device the feed bin specified stores, indicate;
F, according to the material rate in formula for a product, according to the production tonnage of each 2,5,8 or 10 tons, calculated the quality of every kind of raw material by Microcomputer Burden System, automatically control blanking and be delivered in closing agitator tank, it is ensured that quality of production error < 5kg every time;
G, by fused magnesite by independent bin blanking to closing in agitator tank, control mixing time at 30min, obtain finished product, close agitator tank exit and connect separation cyclone scrubber and carry out dedusting;
H, gained finished product is sampled inspection, it is ensured that moisture content of finished products weight/mass percentage composition < 0.1%;I, utilize elevator by checking qualified finished product to be delivered in high-order storage tank, prepare packaging continuously;
J, according to packing instructions, control every bag of error in dipping < 0.5kg/ bag;
K, employing automatic packaging machine are packed, the temperature < in packaging process 60 DEG C, the weight/mass percentage composition < 0.1% of moisture;
L, finally by packaging after finished product warehouse-in preserve.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610234506.8A CN105798280B (en) | 2015-01-12 | 2015-01-12 | A kind of drainage agent |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510013460.2A CN104557090B (en) | 2015-01-12 | 2015-01-12 | A kind of production technique of steel ladle drainage agent |
CN201610234506.8A CN105798280B (en) | 2015-01-12 | 2015-01-12 | A kind of drainage agent |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510013460.2A Division CN104557090B (en) | 2015-01-12 | 2015-01-12 | A kind of production technique of steel ladle drainage agent |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105798280A true CN105798280A (en) | 2016-07-27 |
CN105798280B CN105798280B (en) | 2018-10-12 |
Family
ID=53074277
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610234506.8A Active CN105798280B (en) | 2015-01-12 | 2015-01-12 | A kind of drainage agent |
CN201610238068.2A Active CN105906350B (en) | 2015-01-12 | 2015-01-12 | A kind of steel ladle drainage agent |
CN201510013460.2A Active CN104557090B (en) | 2015-01-12 | 2015-01-12 | A kind of production technique of steel ladle drainage agent |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610238068.2A Active CN105906350B (en) | 2015-01-12 | 2015-01-12 | A kind of steel ladle drainage agent |
CN201510013460.2A Active CN104557090B (en) | 2015-01-12 | 2015-01-12 | A kind of production technique of steel ladle drainage agent |
Country Status (1)
Country | Link |
---|---|
CN (3) | CN105798280B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109133951A (en) * | 2018-09-28 | 2019-01-04 | 河南通宇冶材集团有限公司 | A kind of thermal resistance drainage agent and preparation method thereof |
CN109202055A (en) * | 2018-11-27 | 2019-01-15 | 河南通宇冶材集团有限公司 | A kind of excellent special steel drainage agent and preparation method thereof |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115959891B (en) * | 2022-12-24 | 2023-08-22 | 河南通宇冶材集团有限公司 | Fluorine-containing drainage agent |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58167062A (en) * | 1982-03-26 | 1983-10-03 | Kurosaki Refract Co Ltd | Stuffing to be packed in sliding nozzle |
JPH08300143A (en) * | 1995-04-27 | 1996-11-19 | Harima Ceramic Co Ltd | Stuffing for sliding nozzle hole |
CN102233412A (en) * | 2011-06-27 | 2011-11-09 | 河南通宇冶材集团有限公司 | Carbon-free steel ladle drainage agent for extremely-low carbon steel |
CN102746010A (en) * | 2012-07-25 | 2012-10-24 | 洛阳市科丰冶金新材料(集团)有限公司 | Chromium-aluminum steel ladle drainage sand |
CN103506614A (en) * | 2013-10-17 | 2014-01-15 | 河南通宇冶材集团有限公司 | Drainage agent special for high manganese steel |
CN103708842A (en) * | 2013-12-12 | 2014-04-09 | 南阳铭鑫斯迪奥科技有限公司 | Chrome-magnesia-zircon stuffing sand and preparation method thereof |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005350338A (en) * | 2004-05-12 | 2005-12-22 | Daiji Takahashi | Far-infrared radiation heating ceramics, manufacturing method thereof, and cooking utensil by means of far-infrared radiation heating ceramics |
CN1994624A (en) * | 2006-12-20 | 2007-07-11 | 西峡县通宇冶金保护材料有限公司 | Novel prescription of CSP diversion agent and preparation method thereof |
CN100475387C (en) * | 2007-09-03 | 2009-04-08 | 武汉科技大学 | White olivine ladle draining sand and method for preparing the same |
CN102001854B (en) * | 2010-12-01 | 2013-06-12 | 西峡龙成冶金材料有限公司 | Special steel ladle draining sand for stainless steel and production process thereof |
CN103145431B (en) * | 2013-03-25 | 2014-06-25 | 江苏嘉耐高温材料有限公司 | Steel ladle drainage sand for ultra-low carbon steel and preparation method |
-
2015
- 2015-01-12 CN CN201610234506.8A patent/CN105798280B/en active Active
- 2015-01-12 CN CN201610238068.2A patent/CN105906350B/en active Active
- 2015-01-12 CN CN201510013460.2A patent/CN104557090B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58167062A (en) * | 1982-03-26 | 1983-10-03 | Kurosaki Refract Co Ltd | Stuffing to be packed in sliding nozzle |
JPH08300143A (en) * | 1995-04-27 | 1996-11-19 | Harima Ceramic Co Ltd | Stuffing for sliding nozzle hole |
CN102233412A (en) * | 2011-06-27 | 2011-11-09 | 河南通宇冶材集团有限公司 | Carbon-free steel ladle drainage agent for extremely-low carbon steel |
CN102746010A (en) * | 2012-07-25 | 2012-10-24 | 洛阳市科丰冶金新材料(集团)有限公司 | Chromium-aluminum steel ladle drainage sand |
CN103506614A (en) * | 2013-10-17 | 2014-01-15 | 河南通宇冶材集团有限公司 | Drainage agent special for high manganese steel |
CN103708842A (en) * | 2013-12-12 | 2014-04-09 | 南阳铭鑫斯迪奥科技有限公司 | Chrome-magnesia-zircon stuffing sand and preparation method thereof |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109133951A (en) * | 2018-09-28 | 2019-01-04 | 河南通宇冶材集团有限公司 | A kind of thermal resistance drainage agent and preparation method thereof |
CN109133951B (en) * | 2018-09-28 | 2021-02-05 | 河南通宇冶材集团有限公司 | Heat-resistant drainage agent and preparation method thereof |
CN109202055A (en) * | 2018-11-27 | 2019-01-15 | 河南通宇冶材集团有限公司 | A kind of excellent special steel drainage agent and preparation method thereof |
Also Published As
Publication number | Publication date |
---|---|
CN104557090A (en) | 2015-04-29 |
CN104557090B (en) | 2016-04-06 |
CN105798280B (en) | 2018-10-12 |
CN105906350A (en) | 2016-08-31 |
CN105906350B (en) | 2018-05-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN104556036B (en) | The method for preparing solid-state calcium carbide | |
CN106219550B (en) | A kind of method and production system preparing industrial silicon using industrial waste SILICA FUME | |
CA2681227C (en) | Method and system for the supply of hot direct reduced iron for multiple uses | |
CN104593585A (en) | Chromium ore pellet pre-reduction direct-supply submerged arc furnace system and pre-reduction direct-supply method | |
CN203782199U (en) | Submerged arc furnace pre-reduction chrome ore pellet direct supply system | |
CN104557090B (en) | A kind of production technique of steel ladle drainage agent | |
CN107008914A (en) | It is a kind of to improve the reduced iron powder production technology of reduced iron powder performance | |
CN107265890A (en) | Magnesite light calcined magnesia and dead burned magnesia production line integrated equipment and method | |
CN108004362A (en) | Troilite prepares sulfuric acid and the method and system of direct reduced iron | |
CN103981308A (en) | New charging method of schreyerite smelting blast furnace | |
CN105710360A (en) | Production technology for drainage agent | |
CN105970773B (en) | Regeneration asphalt mixing station and its mix pot | |
CN109251016B (en) | Brown corundum, matched production and preparation equipment and production and preparation method | |
CN101799240A (en) | Method for using waste heat flue gas from rotary hearth furnace | |
CN108680034A (en) | The method for generating mixture online using sintering circular-cooler waste heat | |
CN106048110B (en) | It is a kind of to be realized using bf coal injection system by the method for air port spray titanium furnace retaining | |
CN107954411A (en) | The Processes and apparatus of vertical continuous carbonization production lithium cell cathode material | |
KR100933762B1 (en) | Recycling device of industrial wastes | |
CN107446605A (en) | With addition of the coking mixed coal and coke making and coal blending method of reworked material | |
CN101619251B (en) | Moulded coal binder for melt reduction iron making and application thereof | |
CN110218865A (en) | A kind of processing method of ferrochrome mineral hot furnace dedusting ash | |
CN205088181U (en) | Dry coke quenching coking CDQ powder discharging device | |
CN107337208A (en) | A kind of system and method that calcium carbide is produced using biomass pyrolytic | |
CN207192808U (en) | A kind of system for preparing calcium carbide | |
CN106676222B (en) | The facility and method of a kind of lateritic nickel ore coal original washing powder state also original production ferronickel |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB03 | Change of inventor or designer information |
Inventor after: Wang Yongyuan Inventor after: Li Xiufeng Inventor after: Chen Shoujie Inventor after: Tang Hongbo Inventor before: Zhu Shijia Inventor before: Wang Yongyuan Inventor before: Li Xiufeng Inventor before: Zhang Guoling Inventor before: Chen Shoujie Inventor before: Tang Hongbo |
|
CB03 | Change of inventor or designer information | ||
GR01 | Patent grant | ||
GR01 | Patent grant |