CN109053199A - A kind of spraying paint for slag tanks and preparation method thereof - Google Patents
A kind of spraying paint for slag tanks and preparation method thereof Download PDFInfo
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- CN109053199A CN109053199A CN201811048944.0A CN201811048944A CN109053199A CN 109053199 A CN109053199 A CN 109053199A CN 201811048944 A CN201811048944 A CN 201811048944A CN 109053199 A CN109053199 A CN 109053199A
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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
-
- 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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
-
- 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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
- C04B33/1321—Waste slurries, e.g. harbour sludge, industrial muds
-
- 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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
- C04B33/1324—Recycled material, e.g. tile dust, stone waste, spent refractory material
-
- 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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
- C04B33/1328—Waste materials; Refuse; Residues without additional clay
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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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
- C04B33/138—Waste materials; Refuse; Residues from metallurgical processes, e.g. slag, furnace dust, galvanic waste
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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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/74—Physical characteristics
- C04B2235/77—Density
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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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
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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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
- C04B2235/9607—Thermal properties, e.g. thermal expansion coefficient
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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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
- C04B2235/9669—Resistance against chemicals, e.g. against molten glass or molten salts
- C04B2235/9676—Resistance against chemicals, e.g. against molten glass or molten salts against molten metals such as steel or aluminium
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes
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- Carbon Steel Or Casting Steel Manufacturing (AREA)
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Abstract
The present invention provides a kind of spraying paint for slag tanks and preparation method thereof, the spraying paint for slag tanks, the raw material including following parts by weight: 60-80 parts of municipal sludge；10-25 parts of KR desulfurization slag powder；Discarded 8-18 parts of refractory brick powder；The municipal sludge moisture content 90-99%.Raw material of the present invention is all made of solid waste and the recycling, it can be achieved that solid waste is made, and the spray paint sold on the spray paint products and marketing obtained can achieve equivalent effect.
Description
Technical field
The invention belongs to solid waste resource recovery field, in particular to a kind of spraying paint for slag tanks and preparation method thereof.
Background technique
With increasingly stringent, a large amount of municipal sludge of sewage treatment facility generation of environment supervision.These sludge are usually adopted
With burning after desiccation or fill.Contain a large amount of extracellular polymeric (EPS) in municipal sludge, accounts for about total organic matter in sludge and contain
The 50-90% of amount.Since there are a large amount of hydrophilic functional groups in EPS, cause dewatering performance of sludge poor, it is difficult to it settles, it is right
The processing and disposition of sludge cause huge economy and environmental pressure.Meanwhile iron and steel metallurgical industry also generates a large amount of solid
Waste, such as desulfurization slag and discarded refractory brick.Production needed for the daily operating of metallurgy industry is made in these solid waste
Product utilize solid waste resource recovery and have a very important significance.
In iron and steel metallurgical industry, in order to avoid slag and remaining molten steel directly contact slag ladle ontology and cause slag ladle viscous dead,
Convenient for turning over slag, tank rate is returned in raising, and effective to reduce slag ladle disrepair phenomenon, it is anti-that the mode that steel plant are all made of spray paint carries out slag ladle
Shield improves slag ladle service life.Currently, spraying paint for slag tanks majority uses quick lime, clay, dolomite, magnesia and bauxite
Etc. resources as primary raw material, main component is MgO, CaO, Al2O3Ingredient.Meanwhile a certain amount of stone is also introduced in spray paint
Ink and dispersing agent to improve the corrosion resistance of spray paint, and prevent spray paint isolation layering.It is sprayed using the slag ladle of this method production
Coating has the following problems: (1) production cost is relatively high；(2) raw material such as clay, dolomite are natural resources, as
Spray expects that raw material needs to consume a large amount of resource；(3) it needs to consume in the preparation process of quick lime, magnesia and dispersing agent a large amount of
The energy discharges carbon dioxide.
Summary of the invention
For the above problem in background technique, the main purpose of the present invention is to provide a kind of spraying paint for slag tanks and its systems
Preparation Method, raw material of the present invention is all made of solid waste and the recycling, it can be achieved that solid waste is made, and obtains
Spray paint products and marketing on the spray paint sold can achieve equivalent effect.
In order to solve to reach above-mentioned purpose, the present invention adopts the following technical scheme: a kind of spraying paint for slag tanks, including weigh as follows
Measure the raw material of number:
60-80 parts of municipal sludge；
10-25 parts of KR desulfurization slag powder；
Discarded 8-18 parts of refractory brick powder；
The municipal sludge moisture content 90-99%.
As a further preference, the municipal sludge moisture content 92-95%.
As a further preference, the discarded refractory brick powder is to obtain after broken, screening, magnetic separation, powder-grinding process
The non-ferric charge arrived；Discarded refractory brick powder particle size≤150 mesh.
As a further preference, the KR desulfurization slag powder is that molten iron pretreatment generates, by broken, screening, magnetic separation,
The non-ferric charge obtained after powder-grinding process, the desulfurization slag powder particle size≤150 mesh.
As a further preference, iron-stone ink content range 3%-10% in the KR desulfurization slag powder, with weight percent
Number meter.
As a further preference, iron-stone ink content range 3.5%-7% in the KR desulfurization slag powder, with weight percent
Number meter.
As a further preference, the alkalinity ranges 2.8-6.0 of the KR desulfurization slag powder.
As a further preference, the spraying paint for slag tanks, the raw material including following parts by weight:
65 parts of municipal sludge；
20 parts of KR desulfurization slag powder；
Discarded 15 parts of refractory brick powder；
The municipal sludge moisture content 95%；The KR desulfurization slag powder particle size is less than 100 mesh, the discarded refractory brick powder
Expect partial size less than 100 mesh.
As a further preference, the spraying paint for slag tanks, the raw material including following parts by weight:
75 parts of municipal sludge；
13 parts of KR desulfurization slag powder；
Discarded 12 parts of refractory brick powder；
The municipal sludge moisture content 92%；The KR desulfurization slag powder particle size is less than 120 mesh, the discarded refractory brick powder
Expect partial size less than 120 mesh.
Another object of the present invention is to provide the preparation methods of above-mentioned spraying paint for slag tanks, include the following steps:
The KR desulfurization slag powder of above-mentioned parts by weight and discarded refractory brick powder are added in the municipal sludge and are carried out
10-30min is stirred, the spraying paint for slag tanks is obtained.
The beneficial effects of the present invention are: the present invention is by the KR desulfurization slag powder of above-mentioned parts by weight and discarded refractory brick powder
It is added in the municipal sludge and is stirred, obtain the spraying paint for slag tanks；The present invention utilizes the strongly hydrophilic of municipal sludge,
It is used as dispersing agent, avoids isolating layering in spraying paint for slag tanks placement process；Contain using in KR desulfurization slag containing higher
The iron-stone ink of amount, to improve the fire-resistance property of spray paint；Basicity using discarded refractory brick and KR desulfurization slag is higher, to prevent from spraying
Coating is corroded by steel slag.Three kinds of materials are used cooperatively, to obtain the spraying paint for slag tanks prepared using solid waste as raw material.This
Raw material used by inventing is easily obtained in product using ground, and production is simple, can effectively reduce production cost；The present invention is used
Raw material be all made of solid waste be made, it can be achieved that solid waste recycling, especially breach traditional sludge processing
Using first drying the technology path burned afterwards.
Specific embodiment
The present invention is by providing a kind of spraying paint for slag tanks and preparation method thereof, for solid waste resource recovery using having
Highly important meaning.
To solve the above-mentioned problems, the main thought of the embodiment of the present invention is:
Spraying paint for slag tanks of the embodiment of the present invention, the raw material including following parts by weight:
60-80 parts of municipal sludge；
10-25 parts of KR desulfurization slag powder；
Discarded 8-18 parts of refractory brick powder；
The municipal sludge moisture content 90-99%.
In order to better understand the above technical scheme, being done below by specific embodiment to technical scheme detailed
Explanation, it should be understood that the specific features in the embodiment of the present application and embodiment be to technical scheme specifically
It is bright, rather than the restriction to technical scheme, in the absence of conflict, the skill in the embodiment of the present application and embodiment
Art feature can be combined with each other.It should be understood that term "and/or" used herein above includes listed by one of them or more
Any and all combinations of associated item out.
Specifically, above-mentioned municipal sludge moisture content 90-99%, municipal sludge are not necessarily to desiccation and dehydration, can directly adopt slag
Stock pump extraction is used as the raw material for preparing spraying paint for slag tanks, while also having taken into account the good flowability requirement of municipal sludge.It is above-mentioned
Discarded refractory brick powder is the non-ferric charge obtained after broken, screening, magnetic separation, powder-grinding process, below 150 mesh of partial size.On
Stating KR desulfurization slag powder is that molten iron pretreatment generates, the non-ferric charge obtained after broken, screening, magnetic separation, powder-grinding process, grain
Below 150 mesh of diameter.
Usual refractory brick is formed there are many mineral material mixed-forming, and the basicity is only qualitative to be divided into acid material and alkali
Property material.Based on high-alumina brick, aluminium-magnesia carbon brick, magnesia carbon brick, magnesite-chrome brick etc., these discarded refractory bricks all have well refractory brick
Anti-scour property.
The KR desulfurization slag powder of above-mentioned parts by weight and discarded refractory brick powder are added in the municipal sludge and are carried out
10-30min is stirred, the spraying paint for slag tanks is obtained.It is mainly used for the spraying to steel mill slag ladle surface, after slag ladle dress slag
It is easier to pour out, realizes the resource utilization of solid waste.Using spray paint of the present invention and spray paint available on the market
Industrialness comparative test is carried out, the experimental results showed that, spray paint of the present invention and spray paint available on the market can achieve on an equal basis
Effect.
The performance detection parameter of the spraying paint for slag tanks of the present invention of table 1
It is for a more detailed description to the application by the following examples.These embodiments are only to the best embodiment party of the application
The description of formula does not have any limitation to scope of the present application.
Embodiment 1
A kind of spraying paint for slag tanks prepared using solid waste as raw material of the embodiment of the present invention, it is quasi- by following weight percent
Standby raw material: 65 parts of municipal sludge, 20 parts of KR desulfurization slag powder, discarded 15 parts of refractory brick powder.The discarded refractory brick powder is
The non-ferric charge obtained after broken, screening, magnetic separation, powder-grinding process, grinding are spare to partial size 50-100 mesh.The city is dirty
Mud, moisture content 95%.The KR desulfurization slag powder is that molten iron pretreatment generates, after broken, screening, magnetic separation, powder-grinding process
Obtained non-ferric charge, grinding to 50-100 mesh.Iron-stone ink content range 7% in KR desulfurization slag powder, by weight percentage.
The basicity of the KR desulfurization slag powder is 6.0.Desulfurization slag and discarded refractory brick are added to one by one according to above-mentioned weight percent
10 minutes are stirred in municipal sludge to get required spraying paint for slag tanks is arrived.This spray paint 2000kg is made, turns for 16
Furnace steel slag slag ladle is all realized that steel slags smoothly take off tank, and during toppling over steel slag, is generated without a large amount of dust.
Embodiment 2
A kind of spraying paint for slag tanks prepared using solid waste as raw material of the embodiment of the present invention, by following weight percent city
City prepares raw material: 75 parts of municipal sludge, 13 parts of desulfurization slag powder, discarded 12 parts of refractory brick powder.The discarded refractory brick powder
For the non-ferric charge obtained after broken, screening, magnetic separation, powder-grinding process, powder to partial size 60-120 mesh.The city is dirty
Mud, moisture content 92%.The desulfurization slag powder is that molten iron pretreatment generates, after broken, screening, magnetic separation, powder-grinding process
The non-ferric charge arrived, partial size 60-120 mesh.Iron-stone ink content range 3.5% in KR desulfurization slag powder, by weight percentage.Institute
The basicity for stating KR desulfurization slag powder is 2.8.Desulfurization slag and discarded refractory brick are added to city one by one according to above-mentioned weight percent
15 minutes are stirred in city's sludge to get required spraying paint for slag tanks is arrived.This spray paint 2000kg is made, is used for 20 converters
Steel slag slag ladle is all realized that steel slags smoothly take off tank, and during toppling over steel slag, is generated without a large amount of dust.
Embodiment 3
A kind of spraying paint for slag tanks prepared using solid waste as raw material of the embodiment of the present invention, it is quasi- by following weight percent
Standby raw material: 60 parts of municipal sludge, 25 parts of desulfurization slag powder, discarded 15 parts of refractory brick powder.The discarded refractory brick powder is warp
The non-ferric charge obtained after broken, screening, magnetic separation, powder-grinding process is crossed, grinding is spare to partial size 30-80 mesh.The municipal sludge,
Moisture content 90%.The desulfurization slag powder is that molten iron pretreatment generates, and is obtained after broken, screening, magnetic separation, powder-grinding process
Non- ferric charge, grinding to 30-80 mesh.Iron-stone ink content range 5% in KR desulfurization slag powder, by weight percentage.The KR
The basicity of desulfurization slag powder is 4.Desulfurization slag and discarded refractory brick are added to municipal sludge one by one according to above-mentioned weight percent
In be stirred 15 minutes to get to required spraying paint for slag tanks.This spray paint 2000kg is made, is used for 16 converter slag slags
Tank is all realized that steel slags smoothly take off tank, and during toppling over steel slag, is generated without a large amount of dust.
Embodiment 4
A kind of spraying paint for slag tanks prepared using solid waste as raw material of the embodiment of the present invention, it is quasi- by following weight percent
Standby raw material: 80 parts of municipal sludge, 10 parts of desulfurization slag powder, discarded 10 parts of refractory brick powder.The discarded refractory brick powder is warp
The non-ferric charge obtained after broken, screening, magnetic separation, powder-grinding process is crossed, grinding is spare to partial size 30-50 mesh.The municipal sludge,
Moisture content 99%.The desulfurization slag powder is that molten iron pretreatment generates, and is obtained after broken, screening, magnetic separation, powder-grinding process
Non- ferric charge, grinding to 30-50 mesh.Iron-stone ink content range 6% in KR desulfurization slag powder, by weight percentage.The KR
The basicity of desulfurization slag powder is 5.Desulfurization slag and discarded refractory brick are added to municipal sludge one by one according to above-mentioned weight percent
In be stirred 20 minutes to get to required spraying paint for slag tanks.This spray paint 2000kg is made, is used for 16 converter slag slags
Tank is all realized that steel slags smoothly take off tank, and during toppling over steel slag, is generated without a large amount of dust.
Embodiment 5
A kind of spraying paint for slag tanks prepared using solid waste as raw material of the embodiment of the present invention, it is quasi- by following weight percent
Standby raw material: 70 parts of municipal sludge, 22 parts of desulfurization slag powder, discarded 8 parts of refractory brick powder.The discarded refractory brick powder is to pass through
The non-ferric charge obtained after broken, screening, magnetic separation, powder-grinding process, grinding are spare to partial size 50-120 mesh.The municipal sludge,
Moisture content 90%.The desulfurization slag powder is that molten iron pretreatment generates, and is obtained after broken, screening, magnetic separation, powder-grinding process
Non- ferric charge, grinding to 50-120 mesh.Iron-stone ink content range 4% in KR desulfurization slag powder, by weight percentage.The KR
The basicity of desulfurization slag powder is 4.5.Desulfurization slag and discarded refractory brick are added to city dirt one by one according to above-mentioned weight percent
25 minutes are stirred in mud to get required spraying paint for slag tanks is arrived.This spray paint 2000kg is made, is used for 16 converter slags
Slag ladle is all realized that steel slags smoothly take off tank, and during toppling over steel slag, is generated without a large amount of dust.
Embodiment 6
A kind of spraying paint for slag tanks prepared using solid waste as raw material of the embodiment of the present invention, it is quasi- by following weight percent
Standby raw material: 65 parts of municipal sludge, 17 parts of desulfurization slag powder, discarded 18 parts of refractory brick powder.The discarded refractory brick powder is warp
The non-ferric charge obtained after broken, screening, magnetic separation, powder-grinding process is crossed, grinding is spare to partial size 80-150 mesh.The city is dirty
Mud, moisture content 96%.The desulfurization slag powder is that molten iron pretreatment generates, after broken, screening, magnetic separation, powder-grinding process
The non-ferric charge arrived, grinding to 80-150 mesh.Iron-stone ink content range 7% in KR desulfurization slag powder, by weight percentage.Institute
The basicity for stating KR desulfurization slag powder is 5.Desulfurization slag and discarded refractory brick are added to city one by one according to above-mentioned weight percent
30 minutes are stirred in sludge to get required spraying paint for slag tanks is arrived.This spray paint 2000kg is made, is used for 16 converter steels
Slag slag ladle is all realized that steel slags smoothly take off tank, and during toppling over steel slag, is generated without a large amount of dust.
Industrialness comparative test is carried out with 1-6 of embodiment of the present invention spray paint using spraying paint for slag tanks in the market, it is selected
Slag ladle is dischargeable capacity 16m3, suitable for reading is circular cast steel slag ladle.Spray paint is uniformly ejected by slag ladle using Pulp pump
Inner wall and tank bottom, single slag ladle side wall coating thickness 3mm-5mm, slag ladle bottom coating thickness 5mm-10mm.Use 200 tanks
Secondary, residence time of the steel slag in slag ladle is 4 hours, and spray paint of the present invention takes off tank rate 99.5% automatically, and comparison spray paint is automatic
De- tank rate 90%.Two kinds of spray paints are good using forward stability, and standing 12 hours, there is no laminations, in slag after spraying
Top tank structure attachment is intact, and de- tank rate is substantially better than comparison spray paint.
Technical solution in above-mentioned the embodiment of the present application, at least have the following technical effects or advantages:
The KR desulfurization slag powder of above-mentioned parts by weight and discarded refractory brick powder are added to the municipal sludge by the present invention
In be stirred, obtain the spraying paint for slag tanks；The present invention utilizes the strongly hydrophilic of municipal sludge, makes as dispersing agent
With, avoid in spraying paint for slag tanks placement process isolate layering；Using the iron-stone ink in KR desulfurization slag containing high level, to improve
The fire-resistance property of spray paint；Basicity using discarded refractory brick and KR desulfurization slag is higher, to prevent spray paint from being corroded by steel slag.It will
Three kinds of materials are used cooperatively, to obtain the spraying paint for slag tanks prepared using solid waste as raw material.Raw material of the present invention
It is easily obtained in product using ground, production is simple, can effectively reduce production cost；Raw material of the present invention is all made of solid
The recycling, it can be achieved that solid waste is made in waste, especially breaches traditional sludge processing and is burned afterwards using first drying
Technology path.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of spraying paint for slag tanks, it is characterised in that: the raw material including following parts by weight:
60-80 parts of municipal sludge；
10-25 parts of KR desulfurization slag powder；
Discarded 8-18 parts of refractory brick powder；
The municipal sludge moisture content 90-99%.
2. spraying paint for slag tanks according to claim 1, it is characterised in that: the municipal sludge moisture content is 92-95%.
3. spraying paint for slag tanks according to claim 1, it is characterised in that: the discarded refractory brick powder be by it is broken,
The non-ferric charge obtained after screening, magnetic separation, powder-grinding process；Discarded refractory brick powder particle size≤150 mesh.
4. spraying paint for slag tanks according to claim 1, it is characterised in that: the KR desulfurization slag powder is that molten iron pretreatment produces
Non- ferric charge that is raw, being obtained after broken, screening, magnetic separation, powder-grinding process, the desulfurization slag powder particle size≤150 mesh.
5. spraying paint for slag tanks according to claim 1, it is characterised in that: iron content of graphite model in the KR desulfurization slag powder
3%-10% is enclosed, by weight percentage.
6. spraying paint for slag tanks according to claim 5, it is characterised in that: iron content of graphite model in the KR desulfurization slag powder
3.5%-7% is enclosed, by weight percentage.
7. spraying paint for slag tanks according to claim 1, it is characterised in that: the alkalinity ranges 2.8- of the KR desulfurization slag powder
6.0。
8. spraying paint for slag tanks according to claim 1, it is characterised in that: the spraying paint for slag tanks, including following parts by weight
Several raw materials:
65 parts of municipal sludge；
20 parts of KR desulfurization slag powder；
Discarded 15 parts of refractory brick powder；
The municipal sludge moisture content 95%；The KR desulfurization slag powder particle size is less than 100 mesh, the discarded refractory brick powder grain
Diameter is less than 100 mesh.
9. spraying paint for slag tanks according to claim 1, it is characterised in that: the spraying paint for slag tanks, including following parts by weight
Several raw materials:
75 parts of municipal sludge；
13 parts of KR desulfurization slag powder；
Discarded 12 parts of refractory brick powder；
The municipal sludge moisture content 92%；The KR desulfurization slag powder particle size is less than 120 mesh, the discarded refractory brick powder grain
Diameter is less than 120 mesh.
10. the preparation method of spraying paint for slag tanks as described in claim any one of 1-9, characterized by the following steps:
The KR desulfurization slag powder of above-mentioned parts by weight and discarded refractory brick powder are added in the municipal sludge and are stirred
10-30min obtains the spraying paint for slag tanks.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112457029A (en) * | 2020-12-08 | 2021-03-09 | 首钢集团有限公司 | Spray coating for slag pot grating and use method thereof |
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| JPS56109259A (en) * | 1980-02-02 | 1981-08-29 | Omori Yasushi | Spray coating composition for sound conditioning, damping and heat insulation |
| CN103468836A (en) * | 2013-09-23 | 2013-12-25 | 新疆中合大正商贸有限公司 | Slag binding agent for preventing slag ladle as well as production process thereof |
| CN103496943A (en) * | 2013-09-25 | 2014-01-08 | 中冶宝钢技术服务有限公司 | Short-flow recycling process of drum-method circulating water sludge |
| CN105237013A (en) * | 2015-11-03 | 2016-01-13 | 武汉钢铁(集团)公司 | Anti-sticking slag gunning material for hot-metal bottle |
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| JPS56109259A (en) * | 1980-02-02 | 1981-08-29 | Omori Yasushi | Spray coating composition for sound conditioning, damping and heat insulation |
| CN103468836A (en) * | 2013-09-23 | 2013-12-25 | 新疆中合大正商贸有限公司 | Slag binding agent for preventing slag ladle as well as production process thereof |
| CN103496943A (en) * | 2013-09-25 | 2014-01-08 | 中冶宝钢技术服务有限公司 | Short-flow recycling process of drum-method circulating water sludge |
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| CN112457029A (en) * | 2020-12-08 | 2021-03-09 | 首钢集团有限公司 | Spray coating for slag pot grating and use method thereof |
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