CN108298937A - It is a kind of to manufacture the method for greening brick and greening brick obtained using foundry waste - Google Patents
It is a kind of to manufacture the method for greening brick and greening brick obtained using foundry waste Download PDFInfo
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- CN108298937A CN108298937A CN201710819220.0A CN201710819220A CN108298937A CN 108298937 A CN108298937 A CN 108298937A CN 201710819220 A CN201710819220 A CN 201710819220A CN 108298937 A CN108298937 A CN 108298937A
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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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/24—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing alkyl, ammonium or metal silicates; containing silica sols
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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
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/14—Waste materials; Refuse from metallurgical processes
- C04B18/141—Slags
- C04B18/142—Steelmaking slags, converter slags
-
- 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
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/0038—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by superficial sintering or bonding of particulate matter
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The present invention relates to a kind of the method for greening brick and greening brick obtained are manufactured using foundry waste.The greening brick is made by the raw material of following parts by weight：10 30 parts of 10 20 parts of waste residue, 20 40 parts of antiquated sand, useless 10 30 parts of dirt, 20 30 parts of waterglass, 5 10 parts of cement, 35 parts of plasticizer, 3 10 parts of bonding agent, 25 parts of water-reducing agent and water.Preparation method includes waste gathering, dispensing embryo, solidification and maintenance process.The present invention uses foundry waste for primary raw material, has both saved resource, in turn avoids environmental pollution caused by foundry waste accumulation；In solidification process, amorphous silicic gel is generated by waterglass and aluminium reaction, crosslinking is formd between foundry waste, enhances the cohesive force between foundry waste, improves the intensity of greening brick；And greening brick obtained has good permeability and water-absorbing-retaining performance.
Description
Technical field
Field is recycled the present invention relates to foundry waste more particularly to a kind of manufacturing greening brick using foundry waste
Method and greening brick obtained.
Background technology
Casting is a kind of extremely complex technological process of production put into using a variety of raw and auxiliary materials and pass through metallurgical smelting,
Casting can be divided into stock, melting, spheroidization and inoculation processing, sand processing, coremaking, moulding, cast, knockout, cleaning, heat treatment after stove
And 11 structure divisions such as inspection of production process and casting finished products will produce a large amount of waste, mainly in casting process
Including antiquated sand, waste residue, useless dirt, exhaust gas.Wherein, waste residue is to melt iron blast furnace slag, and antiquated sand is the antiquated sand generated after sand casting, and useless dirt is
Dirt that the dirt collected on the dirt collected in furnace cupola, vibrating shakeout workshop section and cast flowline, the furans sand mold Ministry of worker collect and from
The dust collected in heat reclamation device.Currently, be always the project that people pay close attention to very much for the recycling of foundry waste, it is existing
Antiquated sand processing method be typically to re-use or be made construction material after purified treatment, waste residue is typically used as road-making material or straight
Landfill is connect, useless dirt is typically used as the secondary raw material in cement plant and Zao Sha factories, and these processing methods still can not achieve antiquated sand, waste residue
With the efficient utilization of useless dirt, resource is not only wasted, but also polluted environment.
Greening brick is the common brick in afforestation or road construction, has good seepage of water and moisture retention, is chiefly used in
Gardens or pavement are the preferred materials of sponge urban construction earth's surface brick.But under some particular surroundings, it is desirable that building materials have very well
Water retaining function.For example, when road construction, the edge on some abrupt slopes and mountainous region, due to construction reason, in precipitation or the work of humidity
It is easy to come down under, to prevent massif or ground flowing water is excessive that structure is caused to be squashed, greening brick is needed to have certain water conservation
Effect；Equally, the flower bed built by laying in some squares or gardens, because ground is cement surface, it is desirable to the brick body on flower bed periphery
There is good water-retaining property, and existing greening brick cannot be satisfied above-mentioned needs.
Invention content
It is an object of the invention to provide a kind of the method for greening brick and thus obtained is manufactured using foundry waste
Greening brick to realize the recycling of foundry waste, and achievees the purpose that greening brick is retained.
The technical scheme is that：
A method of greening brick being manufactured using foundry waste, is included the following steps：
(1) waste gathering：The waste residue generated in casting process, antiquated sand, useless dirt are collected spare；
(2) dispensing embryo：Waste residue, antiquated sand, useless dirt and waterglass that step (1) is collected, cement, plasticizer, bonding agent,
Water-reducing agent and water are stirred, when mixture humidity reaches 10-15%, using shaping mechanism at adobe；
(3) cure：Adobe is immersed in liquor alumini chloridi, reacts solidification adobe with waterglass using aluminium chloride；
(4) it conserves：Adobe after solidification is conserved, greening brick is prepared；
Wherein, each raw material is mixed by the following materials by weight in step (2)：10-20 parts of waste residue, 20-40 parts of antiquated sand, useless dirt 10-
30 parts, 20-30 parts of waterglass, 5-10 parts of cement, 3-5 parts of plasticizer, 3-10 parts of bonding agent, 2-5 parts of water-reducing agent and water 10-30
Part.
Further, further include being pre-processed to the waste residue and antiquated sand of collection in step (1), the pretreatment includes will
The waste residue being collected into is ground into the particle less than or equal to 8 mesh, by the antiquated sand being collected into screening, is ground into less than or equal to 8 purposes
Grain.
Further, it is 480-520MPa that blender stirred under pressure, stirred under pressure pressure are used in step (2).
Further, in step (3) liquor alumini chloridi a concentration of 5-8mol/L.
Further, the maintenance in step (4) includes：It is placed in 3-5 hour of maintenance, then natural curing in high steam
7-10 days.
Further, the pressure of high steam is 1-1.2MPa；The temperature of natural curing is 20-26 DEG C, and relative humidity is
65-75%.
Further, water-reducing agent is in high-efficiency water-reducing agent of poly-carboxylic acid, naphthalene series high-efficiency water-reducing agent, aliphatic high-efficiency water reducing agent
It is one or more of.
The present invention also provides a kind of greening bricks being prepared using the above method.
Further, the water absorption rate of greening brick is 25-35%, and water retention coefficient is 0.05-0.07cm/s under room temperature.
Further, greening brick is rectangle, trapezoidal or square template.
The method for manufacturing greening brick using foundry waste of the present invention, has the advantages that：
(1) in the method for manufacturing greening brick using foundry waste of the invention, use foundry waste for primary raw material,
It realizes casting waste residue, antiquated sand, useless dirt to efficiently use, has both saved resource, caused by turn avoiding foundry waste accumulation
Environmental pollution；During dispensing embryo, tentatively each initial rubber is struck up partnership by the cementation of cement；In solidification process,
It is reacted by waterglass and aluminium chloride and generates amorphous silicic gel, the hole being filled between foundry waste is being cast
It makes and forms crosslinking between waste, and be mutually bonded together, enhance the cohesive force between foundry waste, improve green
Change the intensity of brick；Moreover, being that raw material cures greening brick obtained through waterglass using waste residue, antiquated sand and useless dirt, have good
Permeability, while there are holes inside greening brick, realize the water-absorbing-retaining performance of greening brick.
(2) greening brick manufactured using foundry waste of the invention, water absorption rate 25-35%, water retention coefficient under room temperature
More than 0.05cm/s, compression strength is more than 50MPa, has various shapes for adapting to different use environments, and utilize its tool
The good Water-saving effect having is widely used in the fields such as afforestation, mountainous region road construction, park road surfacing, plays
Good greening and sand-fixing effect.
Specific implementation mode
Technical solution in the embodiment of the present invention is subjected to clear, complete description below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
All other embodiment for being obtained without making creative work of technical staff, belong to the guarantor of the present invention
Protect range.
The method for manufacturing greening brick using foundry waste of the present invention, includes the following steps：(1) waste gathering：It will
Waste residue, antiquated sand, the useless dirt generated in casting process is collected spare；As known to those skilled in the art, waste residue is to melt iron furnace
Slag, antiquated sand are the antiquated sand generated after sand casting, and useless dirt is the dirt collected in furnace cupola, vibrating shakeout workshop section and cast flowline
Dirt, the dirt that the furans sand mold Ministry of worker collects and the dust collected from heat reclamation device of upper collection.(2) dispensing embryo：By step
(1) waste residue, antiquated sand, useless dirt and waterglass, cement, plasticizer, bonding agent, water-reducing agent and the water collected are stirred, and work as mixing
When object humidity reaches 10-15%, using shaping mechanism at adobe；(3) cure：Adobe is immersed in liquor alumini chloridi, is utilized
Aluminium chloride reacts solidification adobe with waterglass；(4) it conserves：Adobe after solidification is conserved, greening brick is prepared；Its
In, each raw material is mixed by the following materials by weight in step (2)：10-20 parts of waste residue, 20-40 parts of antiquated sand, useless 10-30 parts of dirt, waterglass
10-30 parts of 20-30 parts, 5-10 parts of cement, 3-5 parts of plasticizer, 3-10 parts of bonding agent, 2-5 parts of water-reducing agent and water.
In the method for manufacturing greening brick using foundry waste of the present invention, use foundry waste for primary raw material, it is real
Casting waste residue, antiquated sand, useless dirt are showed to efficiently use, have both saved resource, in turn avoid ring caused by foundry waste accumulation
It pollutes in border；During dispensing embryo, tentatively each initial rubber is struck up partnership by the cementation of cement；In solidification process, lead to
It crosses waterglass and aluminium chloride reacts and generates amorphous silicic gel, the hole being filled between foundry waste is being cast
Crosslinking is formd between waste, and is mutually bonded together, the cohesive force between foundry waste is enhanced, and improves greening
The intensity of brick；Moreover, being that raw material cures greening brick obtained through waterglass using waste residue, antiquated sand and useless dirt, have good
Gas performance, while there are holes inside greening brick, realize the water-absorbing-retaining performance of greening brick.
Specifically, further including being pre-processed to the waste residue and antiquated sand of collection in step (1), pretreatment includes that will be collected into
Waste residue be ground into the particle less than or equal to 8 mesh, by the antiquated sand being collected into screening, be ground into the particle less than or equal to 8 mesh.It will be big
The waste residue and antiquated sand of particle obtain the particle less than or equal to 8 mesh, convenient for being prepared in follow-up greening brick by crushing and screening process
It is carried out in journey and the processes such as mixing, the embryo processed of other raw materials.
Specifically, using blender stirred under pressure in step (2), the pressure of stirred under pressure is 480-520MPa；Pressurization is stirred
Mix the mixed effect that can be improved between each raw mixture so that mixing is evenly.
Specifically, in step (3) liquor alumini chloridi a concentration of 5-8mol/L；It is reacted by aluminium chloride and waterglass
Amorphous silicic gel is generated, cured purpose between raw material is can reach, improves the intensity of greening brick obtained.Adobe is immersed in chlorine
Change in aluminum solutions, make waterglass that can fully be reacted with aluminium chloride, while larger concentration of aluminum chloride is convenient for reaction to generation silicic acid
The direction of gel carries out so that reaction is more thorough.
The various maintenance methods that maintenance in step (4) can usually be used by this field carry out, it is preferred that including：
It is placed in 3-5 hour of maintenance in high steam, then natural curing 7-10 days；More specifically, the pressure of high steam is 1-
1.2MPa；The temperature of natural curing is 20-26 DEG C, relative humidity 65-75%.It, can be further by autoclave curing
The intensity of greening brick is improved, certain temperature and humidity is kept during natural curing, it is ensured that greening brick completes hydration
And condense hardening.
Specifically, water-reducing agent can select various water-reducing agents well known in the art, preferably polycarboxylic acids efficient as needed
One or more of water-reducing agent, naphthalene series high-efficiency water-reducing agent, aliphatic high-efficiency water reducing agent.In addition, plasticizer and bonding agent also may be used
It is Phthalates, aliphatic to select various plasticizer and bonding agent well known in the art, preferred plasticizer as needed
One or more of binary acid esters, epoxies, citric acid ester plasticizer；Bonding agent is resinoid bond, rubber combination
One or more of agent, vitrified bond.
The greening brick being prepared by the above method, water absorption rate 25-35%, water retention coefficient is 0.05- under room temperature
0.07cm/s。
Greening brick is different according to effect, can be pressed by different molds in step (2) various of different shapes
Adobe.More specifically, for example, greening brick may include common shaped brick, mountainous region construction brick and paving turn, wherein common shaped brick is logical
Often it is rectangle, dimensional standard is about 240 × 115 × 53mm；Mountainous region construction is usually trapezoidal with brick, and dimensional standard is big
About upper bottom 250mm, bottom 450mm, high 300mm；Paving brick is usually square template, and dimensional standard is about 300 × 300
× 50mm, and form friction pattern is provided with above brick body.
The method of greening brick will be manufactured using foundry waste to the present invention by specific embodiment below and thus made
The greening brick obtained is further described.
Embodiment 1
The greening brick manufactured using foundry waste in the present embodiment is made by the steps：
(1) waste gathering：The waste residue generated in casting process, antiquated sand are pre-processed, pretreatment includes by waste residue
It is ground into the particle less than or equal to 8 mesh, by antiquated sand screening, is ground into the particle less than or equal to 8 mesh, it later will be pretreated useless
Slag, antiquated sand and useless dirt are collected spare；
(2) dispensing embryo：Waste residue, antiquated sand, useless dirt and waterglass, cement, the Phthalates that step (1) is collected increase
It moulds agent, resinoid bond, high-efficiency water-reducing agent of poly-carboxylic acid and water to mix using blender stirred under pressure, stirred under pressure pressure is
480MPa uses shaping mechanism at dimensional standard for the rectangle of 240 × 115 × 53mm when mixture humidity reaches 15%
Common shaped brick adobe；
(3) cure：Adobe is immersed in the liquor alumini chloridi of a concentration of 8mol/L, is reacted with waterglass using aluminium chloride
Cure adobe；
(4) it conserves：Adobe after solidification is conserved, is first placed in 3 hours of maintenance in the high steam of 1MPa, then
The temperature of natural curing 7 days, natural curing is 26 DEG C, and greening brick is prepared in relative humidity 65%；
Each raw material is mixed by the following materials by weight in step (2)：10 parts of waste residue, 20 parts of antiquated sand, useless 10 parts of dirt, waterglass 20
Part, 5 parts of cement, 3 parts of phthalic easter plastizer, 3 parts of resinoid bond, 2 parts of high-efficiency water-reducing agent of poly-carboxylic acid and 10 parts of water.
The greening brick made from the present embodiment method, it is 25% to measure water absorption rate, and water retention coefficient is 0.05cm/s under room temperature.
Embodiment 2
The greening brick manufactured using foundry waste in the present embodiment is made by the steps：
(1) waste gathering：The waste residue generated in casting process, antiquated sand are pre-processed, pretreatment includes by waste residue
It is ground into the particle less than or equal to 8 mesh, by antiquated sand screening, is ground into the particle less than or equal to 8 mesh, it later will be pretreated useless
Slag, antiquated sand and useless dirt are collected spare；
(2) dispensing embryo：Waste residue, antiquated sand, useless dirt and waterglass that step (1) is collected, cement, epoxy plasticiser,
Resinoid bond, aliphatic high-efficiency water reducing agent and water are mixed using blender stirred under pressure, and stirred under pressure pressure is 520MPa, when
When mixture humidity reaches 10%, use shaping mechanism at dimensional standard for the ladder of upper bottom 250mm, bottom 450mm, high 300mm
Shape mountainous region construction brick adobe；
(3) cure：Adobe is immersed in the liquor alumini chloridi of a concentration of 5mol/L, is reacted with waterglass using aluminium chloride
Cure adobe；
(4) it conserves：Adobe after solidification is conserved, is first placed in 5 hours of maintenance in the high steam of 1.2MPa, so
The temperature of natural curing 8 days afterwards, natural curing is 20 DEG C, and greening brick is prepared in relative humidity 75%；
Each raw material is mixed by the following materials by weight in step (2)：20 parts of waste residue, 40 parts of antiquated sand, useless 30 parts of dirt, waterglass 30
Part, 10 parts of cement, 5 parts of epoxy plasticiser, 10 parts of resinoid bond, 5 parts of aliphatic high-efficiency water reducing agent and 30 parts of water.
The greening brick made from the present embodiment method, it is 35% to measure water absorption rate, and water retention coefficient is 0.05cm/s under room temperature.
Embodiment 3
The greening brick manufactured using foundry waste in the present embodiment is made by the steps：
(1) waste gathering：The waste residue generated in casting process, antiquated sand are pre-processed, pretreatment includes by waste residue
It is ground into the particle less than or equal to 8 mesh, by antiquated sand screening, is ground into the particle less than or equal to 8 mesh, it later will be pretreated useless
Slag, antiquated sand and useless dirt are collected spare；
(2) dispensing embryo：Waste residue, antiquated sand, useless dirt and waterglass, cement, the Phthalates that step (1) is collected increase
It moulds agent, gum cement, naphthalene series high-efficiency water-reducing agent and water to mix using blender stirred under pressure, stirred under pressure pressure is
500MPa uses shaping mechanism at dimensional standard on 300 × 300 × 50mm and brick body when mixture humidity reaches 12%
Face is provided with the square template paving brick adobe of form friction pattern；
(3) cure：Adobe is immersed in the liquor alumini chloridi of a concentration of 6mol/L, is reacted with waterglass using aluminium chloride
Cure adobe；
(4) it conserves：Adobe after solidification is conserved, is first placed in 4 hours of maintenance in the high steam of 1.1MPa, so
The temperature of natural curing 8 days afterwards, natural curing is 24 DEG C, and greening brick is prepared in relative humidity 70%；
Each raw material is mixed by the following materials by weight in step (2)：15 parts of waste residue, 30 parts of antiquated sand, useless 20 parts of dirt, waterglass 25
Part, 8 parts of cement, 4 parts of phthalic easter plastizer, 7 parts of gum cement, 3 parts of naphthalene series high-efficiency water-reducing agent and 20 parts of water.
The greening brick made from the present embodiment method, it is 28% to measure water absorption rate, and water retention coefficient is 0.06cm/s under room temperature.
Embodiment 4
The greening brick manufactured using foundry waste in the present embodiment is made by the steps：
(1) waste gathering：The waste residue generated in casting process, antiquated sand are pre-processed, pretreatment includes by waste residue
It is ground into the particle less than or equal to 8 mesh, by antiquated sand screening, is ground into the particle less than or equal to 8 mesh, it later will be pretreated useless
Slag, antiquated sand and useless dirt are collected spare；
(2) dispensing embryo：Waste residue, antiquated sand, useless dirt and waterglass that step (1) is collected, cement, epoxy plasticiser,
Resinoid bond, naphthalene series high-efficiency water-reducing agent and water are mixed using blender stirred under pressure, and stirred under pressure pressure is 480MPa, when mixed
When conjunction object humidity reaches 14%, use shaping mechanism at dimensional standard for the common shaped brick brick of the rectangle of 240 × 115 × 53mm
Embryo；
(3) cure：Adobe is immersed in the liquor alumini chloridi of a concentration of 7mol/L, is reacted with waterglass using aluminium chloride
Cure adobe；
(4) it conserves：Adobe after solidification is conserved, is first placed in 5 hours of maintenance in the high steam of 1.2MPa, so
The temperature of natural curing 7 days afterwards, natural curing is 20 DEG C, and greening brick is prepared in relative humidity 72%；
Each raw material is mixed by the following materials by weight in step (2)：18 parts of waste residue, 25 parts of antiquated sand, useless 25 parts of dirt, waterglass 24
Part, 7 parts of cement, 5 parts of epoxy plasticiser, 6 parts of resinoid bond, 4 parts of naphthalene series high-efficiency water-reducing agent and 25 parts of water.
The greening brick made from the present embodiment method, it is 32% to measure water absorption rate, and water retention coefficient is 0.07cm/s under room temperature.
Greening brick obtained in embodiment 1-4 is subjected to compressive property detection, the results are shown in Table 1.
1 greening brick compressive property testing result of table
By table 1 and each embodiment it is found that the compression strength for the greening brick that the present invention is manufactured using foundry waste is all higher than
50MPa, water retention coefficient is all higher than 0.05cm/s under room temperature, will carry out compression strength and water conservation by common common greening brick on the market
Performance test obtains compression strength in 40MPa or so, and water retention coefficient is about 0.02cm/s, illustrates greening brick produced by the present invention
It is superior to existing greening brick in terms of compression strength and Water-saving effect, has effectively achieved the water-absorbing-retaining performance of greening brick.Together
When, greening brick is prepared using foundry waste, waste residue, antiquated sand, useless dirt that casting generates is made to be efficiently used, it is useless to cast
Gurry resource reutilization provides an effective new way, has reached the dual purpose to economize on resources with environmental protection.
The present invention is further described by specific embodiment above, it should be understood that, here specifically
Description, should not be construed as the restriction to the spirit and scope of the invention, and one of ordinary skilled in the art is reading this explanation
The various modifications made to above-described embodiment after book belong to the range that the present invention is protected.
Claims (10)
1. a kind of method manufacturing greening brick using foundry waste, which is characterized in that include the following steps：
(1) waste gathering：The waste residue generated in casting process, antiquated sand, useless dirt are collected spare；
(2) dispensing embryo：Waste residue, antiquated sand, useless dirt and waterglass, cement, plasticizer, bonding agent, the diminishing that step (1) is collected
Agent and water are stirred, when mixture humidity reaches 10-15%, using shaping mechanism at adobe；
(3) cure：Adobe is immersed in liquor alumini chloridi, reacts solidification adobe with waterglass using aluminium chloride；
(4) it conserves：Adobe after solidification is conserved, greening brick is prepared；
Wherein, each raw material is mixed by the following materials by weight in step (2)：10-20 parts of waste residue, 20-40 parts of antiquated sand, useless 10-30 parts of dirt,
10-30 parts of 20-30 parts of waterglass, 5-10 parts of cement, 3-5 parts of plasticizer, 3-10 parts of bonding agent, 2-5 parts of water-reducing agent and water.
2. the method according to claim 1 for manufacturing greening brick using foundry waste, which is characterized in that in step (1)
Further include being pre-processed to the waste residue and antiquated sand of collection, the pretreatment includes that the waste residue that will be collected into is ground into and is less than or equal to
The particle of 8 mesh by the antiquated sand being collected into screening, is ground into the particle less than or equal to 8 mesh.
3. the method according to claim 1 for manufacturing greening brick using foundry waste, which is characterized in that in step (2)
Using blender stirred under pressure, stirred under pressure pressure is 480-520MPa.
4. the method according to claim 1 for manufacturing greening brick using foundry waste, which is characterized in that in step (3)
A concentration of 5-8mol/L of liquor alumini chloridi.
5. the method according to claim 1 for manufacturing greening brick using foundry waste, which is characterized in that in step (4)
Maintenance include：It is placed in 3-5 hour of maintenance in high steam, then natural curing 7-10 days.
6. the method according to claim 5 for manufacturing greening brick using foundry waste, which is characterized in that high steam
Pressure is 1-1.2MPa；The temperature of natural curing is 20-26 DEG C, relative humidity 65-75%.
7. the method according to claim 1 for manufacturing greening brick using foundry waste, which is characterized in that the water-reducing agent
For one or more of high-efficiency water-reducing agent of poly-carboxylic acid, naphthalene series high-efficiency water-reducing agent, aliphatic high-efficiency water reducing agent.
8. a kind of greening brick, which is characterized in that by being manufactured using foundry waste according to any one of claim 1-7
The method of greening brick is made.
9. greening brick according to claim 8, which is characterized in that the water absorption rate of the greening brick is 25-35%, under room temperature
Water retention coefficient is 0.05-0.07cm/s.
10. greening brick according to claim 8, which is characterized in that the greening brick is rectangle, trapezoidal or positive square plate
Type.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109437964A (en) * | 2018-12-15 | 2019-03-08 | 柳州市柳晶科技股份有限公司 | A kind of foamed ceramic plate |
| CN109437737A (en) * | 2018-11-23 | 2019-03-08 | 民勤县邦德贸易有限公司 | A kind of compound coloured greening brick of environment-friendly type and preparation method thereof |
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| CN101033120A (en) * | 2007-02-05 | 2007-09-12 | 刘洪军 | Formulation for producing concrete brick from foundry waste sand and producing method thereof |
| CN101386503A (en) * | 2008-10-28 | 2009-03-18 | 海南大学 | Desert greening brick prepared by inorganic gelation |
| CN101386502A (en) * | 2008-10-28 | 2009-03-18 | 海南大学 | Method for preparing porous desert greening brick |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109437737A (en) * | 2018-11-23 | 2019-03-08 | 民勤县邦德贸易有限公司 | A kind of compound coloured greening brick of environment-friendly type and preparation method thereof |
| CN109437964A (en) * | 2018-12-15 | 2019-03-08 | 柳州市柳晶科技股份有限公司 | A kind of foamed ceramic plate |
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Application publication date: 20180720 |