CN107399951A - It is a kind of to utilize the non-burning brick and preparation method thereof of flying dust - Google Patents
It is a kind of to utilize the non-burning brick and preparation method thereof of flying dust Download PDFInfo
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- CN107399951A CN107399951A CN201710751484.7A CN201710751484A CN107399951A CN 107399951 A CN107399951 A CN 107399951A CN 201710751484 A CN201710751484 A CN 201710751484A CN 107399951 A CN107399951 A CN 107399951A
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- flying dust
- brick
- burning brick
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Classifications
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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
- C04B28/02—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 hydraulic cements other than calcium sulfates
- C04B28/10—Lime cements or magnesium oxide cements
-
- 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
- C04B18/06—Combustion residues, e.g. purification products of smoke, fumes or exhaust gases
- C04B18/08—Flue dust, i.e. fly ash
-
- 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)
- Environmental & Geological Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Civil Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a kind of using the non-burning brick of flying dust, it is made up of following raw material according to parts by weight：15 24 parts of 42 60 parts of flying dust, 48 parts of portland cement, 25 parts of corundum in granules, 38 parts of slag, 0.5 2 parts of oxide micropowder, 8 15 parts of blast furnace slag, 15 parts of quick lime, 36 parts of stearic acid, 4 10 parts of polyvinyl alcohol and light dolomite, light dolomite is that dolomite grinding, its specific surface area after 1,100 1180 degrees Celsius of calcinings are more than 500m2/kg.The present invention also disclosed the preparation method of the product.The present invention has preferably been played the effect of each material, by rational processing step, without being calcined in preparation process, has been reduced energy consumption, reduce production cost, the non-burning brick intensity of preparation is high, excellent in mechanical performance by the proportioning of various raw materials.
Description
Technical field
It is specifically a kind of to utilize the non-burning brick of flying dust the present invention relates to building materials field.
Background technology
China's house refuse fills this to fill as main processing means, but due to the continuous growth of generation
One processing means are gradually difficult to meet growing processing requirement, and then generate a series of municipal administrations such as " garbage-surrounded city " and ring
Border problem.Incineration technology can be very good to alleviate domestic rubbish disposal pressure, complete the minimizing of house refuse, waste incineration hair
Power technology can also complete the recycling of rubbish.A large amount of flying dusts, especially fluidized combustion skill can be produced in Refuse Incineration Process
Art, flying dust amount are the 10%-20% of garbage treatment quantity.Flying dust because containing high leaching concentration heavy metal and high toxicity equivalent two
Ying Denger is disliked to be put into《National Hazard waste register》.The processing of this hazardous waste of flying ash is increasingly becoming incineration technology end
Break-through skill difficult point is badly in need of at end, also turns into the environment that need currently solve and social concern.
Brick is common building materials, at present to use sintering process brickmaking more, although the fired brick compact structure prepared by sintering process,
Intensity is higher, but fires the substantial amounts of energy of needs, consumes a large amount of coal resources every year, the control for cost is unfavorable, and sintered
Journey produces a large amount of pollutants, influences environment.
The content of the invention
It is an object of the invention to provide a kind of using the non-burning brick of flying dust, asked with solve to propose in above-mentioned background technology
Topic.
To achieve the above object, the present invention provides following technical scheme：
It is a kind of using the non-burning brick of flying dust, be made up of following raw material according to parts by weight：Flying dust 42-60 parts, portland cement
It is 4-8 parts, corundum in granules 2-5 parts, slag 3-8 parts, oxide micropowder 0.5-2 parts, blast furnace slag 8-15 parts, quick lime 1-5 parts, hard
Resin acid 3-6 parts, polyvinyl alcohol 4-10 parts and light dolomite 15-24 parts, light dolomite are that dolomite is taken the photograph in 1100-1180
Grinding after the calcining of family name's degree, its specific surface area are more than 500m2/kg。
As the further scheme of the present invention：The particle diameter of corundum in granules is 0.2-0.5mm.
As the further scheme of the present invention：Oxide micropowder is used in magnesia, zirconium oxide, potassium oxide and silica
One or several kinds of mixtures.
The non-burning brick preparation method using flying dust, comprise the following steps that：
Step 1, bar of the mass percent 15-30% alkali metal hydroxide at 25-35 degrees Celsius is added in flying dust
A mud is made under part, mud of stirring at low speed is until no longer produce bubble, then to a mud progress anaerobic organism
24-48 hours are handled, the product after processing is carried out broken and crosses 80-120 mesh sieves, obtain flying dust product；
Step 2, corundum in granules, slag, blast furnace slag, quick lime and light dolomite are crushed, then flying dust product is added
And mix, obtain the first mixture；
Step 3, the first mixture, portland cement, stearic acid, oxide micropowder and polyvinyl alcohol are placed in mixer
High speed stirs, and gross mass 15-40% water is added in whipping process, mixing time is 25-40 minutes, obtains the second mixing
Thing；
Step 4, the second mixture is subjected to ripening, Aging Temperature is 60-80 degrees Celsius, and ageing pressure is 50-
75MPa, digestion time are 18-30 minutes, obtain aged material；
Step 5, aged material is filled out and is put into the adobe mould of brick machine, started brick machine and be pressed into aged material
Unburned brick adobe, press time are 2-5 minutes, pressure 80-140KN, obtain unburned brick adobe；
Step 6, unburned brick adobe surface is covered into preservative film, then watering maintenance 15-20 days, you can obtain finished product.
As the further scheme of the present invention：The speed of stirring at low speed is 60-90rpm in step 1, stirring in step 3
It is 600-750rpm to mix speed, and the mixing time in step 2 is 20-30 minutes.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention is preferably played by the proportioning of various raw materials
The effect of each material, by rational processing step, without roasting in preparation process, reduce energy consumption, reduce and be produced into
This, the non-burning brick intensity of preparation is high, excellent in mechanical performance.
Embodiment
The technical scheme of this patent is described in more detail with reference to embodiment.
Embodiment 1
It is a kind of using the non-burning brick of flying dust, be made up of following raw material according to parts by weight：42 parts of flying dust, 4 parts of portland cement,
2 parts of corundum in granules, 3 parts of slag, 0.5 part of oxide micropowder, 8 parts of blast furnace slag, 1 part of quick lime, 3 parts of stearic acid, 4 parts of polyvinyl alcohol
With 15 parts of light dolomite, light dolomite is that dolomite grinding, its specific surface area after 1140 degrees Celsius of calcinings are more than
500m2/kg.The particle diameter of corundum in granules is 0.4mm.
The non-burning brick preparation method using flying dust, comprise the following steps that：
Step 1, the alkali metal hydroxide that mass percent 20% is added in flying dust are made under conditions of 28 degrees Celsius
Into a mud, mud of stirring at low speed is until no longer produce bubble, then to a mud progress anaerobic bio-treated 32
Hour, the product after processing is carried out broken and cross 90 mesh sieves, obtain flying dust product；
Step 2, corundum in granules, slag, blast furnace slag, quick lime and light dolomite are crushed, then flying dust product is added
And mix, obtain the first mixture；
Step 3, the first mixture, portland cement, stearic acid, oxide micropowder and polyvinyl alcohol are placed in mixer
High speed is stirred, and the water of gross mass 30% is added in whipping process, and mixing time is 35 minutes, obtains the second mixture；
Step 4, the second mixture is subjected to ripening, Aging Temperature is 75 degrees Celsius, and ageing pressure is 60MPa, old
It is 24 minutes to change the time, obtains aged material；
Step 5, aged material is filled out and is put into the adobe mould of brick machine, started brick machine and be pressed into aged material
Unburned brick adobe, press time are 3 minutes, pressure 100KN, obtain unburned brick adobe；
Step 6, unburned brick adobe surface is covered into preservative film, then watering maintenance 18 days, you can obtain finished product.
Embodiment 2
It is a kind of using the non-burning brick of flying dust, be made up of following raw material according to parts by weight：54 parts of flying dust, 6 parts of portland cement,
4 parts of corundum in granules, 6 parts of slag, 1 part of oxide micropowder, 12 parts of blast furnace slag, 4 parts of quick lime, 5 parts of stearic acid, 8 parts of polyvinyl alcohol
With 21 parts of light dolomite, light dolomite is that dolomite grinding, its specific surface area after 1130 degrees Celsius of calcinings are more than
500m2/kg.Oxide micropowder is using magnesia and the mixture of potassium oxide.
The non-burning brick preparation method using flying dust, comprise the following steps that：
Step 1, the alkali metal hydroxide that mass percent 24% is added in flying dust are made under conditions of 30 degrees Celsius
Into a mud, mud of stirring at low speed is until no longer produce bubble, then to a mud progress anaerobic bio-treated 40
Hour, the product after processing is carried out broken and cross 80 mesh sieves, obtain flying dust product；
Step 2, corundum in granules, slag, blast furnace slag, quick lime and light dolomite are crushed, then flying dust product is added
And mix, obtain the first mixture；
Step 3, the first mixture, portland cement, stearic acid, oxide micropowder and polyvinyl alcohol are placed in mixer
High speed is stirred, and the water of gross mass 25% is added in whipping process, and mixing time is 30 minutes, obtains the second mixture；
Step 4, the second mixture is subjected to ripening, Aging Temperature is 76 degrees Celsius, and ageing pressure is 70MPa, old
It is 24 minutes to change the time, obtains aged material；
Step 5, aged material is filled out and is put into the adobe mould of brick machine, started brick machine and be pressed into aged material
Unburned brick adobe, press time are 5 minutes, pressure 120KN, obtain unburned brick adobe；
Step 6, unburned brick adobe surface is covered into preservative film, then watering maintenance 20 days, you can obtain finished product.
Embodiment 3
It is a kind of using the non-burning brick of flying dust, be made up of following raw material according to parts by weight：60 parts of flying dust, 8 parts of portland cement,
5 parts of corundum in granules, 8 parts of slag, 2 parts of oxide micropowder, 15 parts of blast furnace slag, 5 parts of quick lime, 6 parts of stearic acid, 10 parts of polyvinyl alcohol
With 24 parts of light dolomite, light dolomite is that dolomite grinding, its specific surface area after 1180 degrees Celsius of calcinings are more than
500m2/kg.The particle diameter of corundum in granules is 0.2mm.Oxide micropowder is using magnesia, zirconium oxide, potassium oxide and silica
Mixture.
The non-burning brick preparation method using flying dust, comprise the following steps that：
Step 1, the alkali metal hydroxide that mass percent 30% is added in flying dust are made under conditions of 25 degrees Celsius
Into a mud, a mud is stirred under 75rpm rotating speed until no longer producing bubble, anaerobism then is carried out to a mud
Biological treatment 30 hours, the product after processing is carried out broken and cross 100 mesh sieves, obtain flying dust product；
Step 2, corundum in granules, slag, blast furnace slag, quick lime and light dolomite are crushed, then flying dust product is added
And mix 25 minutes, obtain the first mixture；
Step 3, the first mixture, portland cement, stearic acid, oxide micropowder and polyvinyl alcohol are placed in mixer
In stirred with 750rpm rotating speed, the water of gross mass 30% is added in whipping process, mixing time is 40 minutes, and it is mixed to obtain second
Compound；
Step 4, the second mixture is subjected to ripening, Aging Temperature is 70 degrees Celsius, and ageing pressure is 75MPa, old
It is 25 minutes to change the time, obtains aged material；
Step 5, aged material is filled out and is put into the adobe mould of brick machine, started brick machine and be pressed into aged material
Unburned brick adobe, press time are 5 minutes, pressure 120KN, obtain unburned brick adobe；
Step 6, unburned brick adobe surface is covered into preservative film, then watering maintenance 18 days, you can obtain finished product.
Light dolomite, which provides, to react faster MgO and CaO and simultaneously discharges amount of heat, be main binder materials it
One, the setting rate of sulphate aluminium cement can be accelerated, alkaline environment can be provided, so as to strengthen interface performance.Stearic acid is main
Effect is the Mg by stearic acid and generation2+And Ca2+Reaction, consume Mg2+And Ca2+To control binder materials reaction speed, and shape
Into calcium stearate or magnesium stearate with water-proof function.The present invention carries out dechlorination simultaneously to flying dust and heavy metals immobilization stabilizes
Processing, so as to recycle.Corundum in granules and oxide micropowder can lift the intensity and fire resistance of product.Ripening makes
Obtain material aquation evenly, the unburned brick structure of preparation is more fine and close, and intensity is high.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (5)
1. a kind of utilize the non-burning brick of flying dust, it is characterised in that is made up of following raw material according to parts by weight：Flying dust 42-60 parts, silicon
Acid salt cement 4-8 parts, corundum in granules 2-5 parts, slag 3-8 parts, oxide micropowder 0.5-2 parts, blast furnace slag 8-15 parts, quick lime 1-
5 parts, stearic acid 3-6 parts, polyvinyl alcohol 4-10 parts and light dolomite 15-24 parts, light dolomite are dolomite in 1100-
Grinding after 1180 degrees Celsius of calcinings, its specific surface area are more than 500m2/kg。
2. according to claim 1 utilize the non-burning brick of flying dust, it is characterised in that the particle diameter of the corundum in granules is 0.2-
0.5mm。
3. according to claim 1 or 2 utilize the non-burning brick of flying dust, it is characterised in that the oxide micropowder uses oxygen
Change one or several kinds of mixtures in magnesium, zirconium oxide, potassium oxide and silica.
A kind of 4. non-burning brick preparation method using flying dust as described in claim 1-3 is any, it is characterised in that specific step
It is rapid as follows：
Step 1, mass percent 15-30% alkali metal hydroxide is added in flying dust under conditions of 25-35 degrees Celsius
A mud is made, mud of stirring at low speed is until no longer produce bubble, then to a mud progress anaerobic bio-treated
24-48 hours, the product after processing is carried out broken and cross 80-120 mesh sieves, obtain flying dust product；
Step 2, corundum in granules, slag, blast furnace slag, quick lime and light dolomite are crushed, then flying dust product added and
Mix, obtain the first mixture；
Step 3, the first mixture, portland cement, stearic acid, oxide micropowder and polyvinyl alcohol are placed in mixer high
Speed stirs, and gross mass 15-40% water is added in whipping process, mixing time is 25-40 minutes, obtains the second mixture；
Step 4, the second mixture being subjected to ripening, Aging Temperature is 60-80 degrees Celsius, and ageing pressure is 50-75MPa,
Digestion time is 18-30 minutes, obtains aged material；
Step 5, aged material is filled out and is put into the adobe mould of brick machine, aged material is pressed into unburned by startup brick machine
Brick adobe, press time are 2-5 minutes, pressure 80-140KN, obtain unburned brick adobe；
Step 6, unburned brick adobe surface is covered into preservative film, then watering maintenance 15-20 days, you can obtain finished product.
5. the non-burning brick preparation method according to claim 4 using flying dust, it is characterised in that low in the step 1
The speed of speed stirring is 60-90rpm, and the mixing speed in step 3 is 600-750rpm, and the mixing time in step 2 is 20-
30 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710751484.7A CN107399951A (en) | 2017-08-28 | 2017-08-28 | It is a kind of to utilize the non-burning brick and preparation method thereof of flying dust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710751484.7A CN107399951A (en) | 2017-08-28 | 2017-08-28 | It is a kind of to utilize the non-burning brick and preparation method thereof of flying dust |
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| Publication Number | Publication Date |
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| CN107399951A true CN107399951A (en) | 2017-11-28 |
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|---|---|---|---|
| CN201710751484.7A Pending CN107399951A (en) | 2017-08-28 | 2017-08-28 | It is a kind of to utilize the non-burning brick and preparation method thereof of flying dust |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108409210A (en) * | 2018-03-14 | 2018-08-17 | 清华大学 | A method of utilizing domestic garbage incineration flyash brickmaking |
| CN114712767A (en) * | 2022-04-24 | 2022-07-08 | 长江水利委员会长江科学院 | Method for fixing chlorine and stabilizing heavy metal in fly ash |
| TWI840121B (en) * | 2023-02-13 | 2024-04-21 | 新聯興企業股份有限公司 | Method for recycling waste rock wool into recycled building materials |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105236897A (en) * | 2015-08-31 | 2016-01-13 | 宜昌朗天新型建材有限公司 | Interface treatment agent for ceramsite heat-preservation concrete floor |
| CN106186925A (en) * | 2016-07-06 | 2016-12-07 | 南京工业大学 | Process for preparing baking-free ecological brick from waste incineration fly ash |
-
2017
- 2017-08-28 CN CN201710751484.7A patent/CN107399951A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105236897A (en) * | 2015-08-31 | 2016-01-13 | 宜昌朗天新型建材有限公司 | Interface treatment agent for ceramsite heat-preservation concrete floor |
| CN106186925A (en) * | 2016-07-06 | 2016-12-07 | 南京工业大学 | Process for preparing baking-free ecological brick from waste incineration fly ash |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108409210A (en) * | 2018-03-14 | 2018-08-17 | 清华大学 | A method of utilizing domestic garbage incineration flyash brickmaking |
| CN108409210B (en) * | 2018-03-14 | 2019-09-27 | 清华大学 | A method of utilizing domestic garbage incineration flyash brickmaking |
| CN114712767A (en) * | 2022-04-24 | 2022-07-08 | 长江水利委员会长江科学院 | Method for fixing chlorine and stabilizing heavy metal in fly ash |
| CN114712767B (en) * | 2022-04-24 | 2023-02-14 | 长江水利委员会长江科学院 | Method for fixing chlorine and stabilizing heavy metal in fly ash |
| TWI840121B (en) * | 2023-02-13 | 2024-04-21 | 新聯興企業股份有限公司 | Method for recycling waste rock wool into recycled building materials |
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Application publication date: 20171128 |