CN105060924B - It is a kind of for light non-fired haydite of roof greening and preparation method thereof - Google Patents
It is a kind of for light non-fired haydite of roof greening and preparation method thereof Download PDFInfo
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- CN105060924B CN105060924B CN201510502798.4A CN201510502798A CN105060924B CN 105060924 B CN105060924 B CN 105060924B CN 201510502798 A CN201510502798 A CN 201510502798A CN 105060924 B CN105060924 B CN 105060924B
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Abstract
The invention discloses a kind of preparation method of the light non-fired haydite for roof greening, using city sludge and flyash as primary raw material, using quick lime, gypsum, portland cement, ferrous sulfide and straw ash as auxiliary element, using lithium carbonate, bauxite, Fluorspar Powder, sodium pyrophosphate, laurel alcohol ether phosphate potassium, nano aluminium oxide as additive；Its preparation process includes getting the raw materials ready, mix, granulating and forming and steam curing；The apparent density of preparation-obtained light non-fired haydite is less than 1.1g/cm3.
Description
Technical field
The invention belongs to a kind of for light non-fired haydite of roof greening and preparation method thereof, belong to roof greening neck
Domain.
Background technology
With requirement more and more higher of the people for greening, haydite also slowly turns into the main material of covering greening, passes through
The covering of haydite, can be incubated, economize on water, promote plant growth, improve ecological environment of soil, being that a kind of economic benefit is very high
Implantation methods.
City sludge is the sludge that urban wastewater treatment firm processing sewage is finally stayed, and its water content is high, and organic matter contains
Amount is high, and particle is thinner, and what is handled again is costly, and secondary pollution can be caused by arbitrarily abandoning, and city sludge is rationally sharp
With being also the focus studied now, as Wang Mouquan etc. have studied a kind of utilization city sludge, loess and Iron Ore Powder baking ceramsite
Method (CN102173745A), but this method is sintering process, cost is higher, and technique is complex.
The content of the invention
The purpose of the present invention is in view of the above-mentioned problems, developing a kind of light non-fired haydite and its system for roof greening
Preparation Method, its preparation method is unburned steam curing method.
A kind of preparation method of light non-fired haydite for roof greening, including following preparation process：
(1) get the raw materials ready：It is sub- with quick lime, gypsum, portland cement, vulcanization using city sludge and flyash as primary raw material
Iron and straw ash are auxiliary element, with lithium carbonate, bauxite, Fluorspar Powder, sodium pyrophosphate, laurel alcohol ether phosphate potassium, nano oxygen
Change aluminium is additive；The parts by weight of each raw material are：
20-40 parts of city sludge；
20-40 parts of flyash；
5-10 parts of quick lime；
5-10 parts of gypsum；
5-10 parts of portland cement；
5-10 parts of ferrous sulfide；
5-10 parts of straw ash；
1-3 parts of lithium carbonate；
1-3 parts of bauxite；
1-3 parts of Fluorspar Powder；
1-3 parts of sodium pyrophosphate；
1-3 parts of laurel alcohol ether phosphate potassium；
1-3 parts of nano aluminium oxide；
(2) mix：Each raw material is mixed, appropriate water is then added, is sufficiently stirred for, obtain slurry；
(3) granulating and forming：By slurry granulating and forming, the haydite that particle diameter is 3-7mm is obtained；
(4) steam curing：Haydite is put into vaporium and conserved 24-48 hours, curing temperature is 85-100 degrees Celsius；I.e.
Obtain baking-free ceramicite.
Preferably, before steam curing, also comprising the following steps：Haydite is put into maintenance 24 in fog room small
When, control the temperature of fog room at 26 DEG C, humidity should be more than 70%.
Preferably, described be mixed into ball milling mixing, Ball-milling Time is 5h.
Preferably, the nano aluminium oxide is nano alumina sol, particle diameter is 30-100nm.
Preferably, the steam-cured curing temperature is 90 degrees Celsius.
A kind of light non-fired haydite prepared using above-mentioned preparation method.
Preferably, the apparent density of light non-fired haydite is less than 1.1g/cm3.
It is a kind of to be used for the purposes of roof greening using above-mentioned light non-fired haydite.
Beneficial effects of the present invention：
By reasonable preparation raw material, using steam-cured method, using city sludge and flyash as primary raw material, with life
Lime, gypsum, portland cement, ferrous sulfide and straw ash are auxiliary element, with lithium carbonate, bauxite, Fluorspar Powder, pyrophosphoric acid
Sodium, laurel alcohol ether phosphate potassium, nano aluminium oxide are additive, have prepared light non-fired haydite.Use city sludge for
Raw material, is reasonably recycled, it is to avoid the secondary pollution of sludge, meanwhile, city sludge is high due to content of organics, is also
It is highly suitable for roof greening.Meanwhile, the use of flyash can adjust the ratio of silicon/aluminium in city sludge so that made
Standby haydite has excellent physical and chemical performance.By select quick lime, gypsum, portland cement, ferrous sulfide and straw ash and
Its suitable parts by weight, allows city sludge and flyash unburned can prepare haydite, and wherein gypsum plays the work of exciting agent
With；Meanwhile, ferrous sulfide plays a part of the second exciting agent；And auxiliary agent is very important for forming light non-fired haydite generation
Effect, laurel alcohol ether phosphate potassium and nano alumina sol play cohesive effect, nano aluminium oxide therein also by with
Auxiliary element is combined, and forms aluminate material so that haydite has the physical and chemical performance of more high-quality；And lithium carbonate, bauxite, fluorite
The inorganic salts such as powder, sodium pyrophosphate, by introducing Inorganic Anion and Cation, promote the formation of calcium silicates, then improve the hole of haydite
Rate；
The ceramsite preparation process is simple, by selecting suitable preparation technology, gets the raw materials ready, mixes, granulating and forming and steam are supported
Shield, obtains baking-free ceramicite, the preparation method especially curing time and curing temperature have important shadow for the physical and chemical performance of haydite
Ring.This method is easy to industrialization, and raw material sources extensively, are highly suitable to be applied for roof greening.
Embodiment
The present invention is described in further detail with reference to specific embodiment, and with reference to data.It should be understood that these embodiments
It is of the invention solely for the purpose of illustration, rather than the scope of the present invention is limited in any way.
Embodiment 1：
A kind of preparation method of light non-fired haydite for roof greening, including following preparation process：
(1) get the raw materials ready：It is sub- with quick lime, gypsum, portland cement, vulcanization using city sludge and flyash as primary raw material
Iron and straw ash are auxiliary element, with lithium carbonate, bauxite, Fluorspar Powder, sodium pyrophosphate, laurel alcohol ether phosphate potassium, nano oxygen
Change aluminium is additive；The parts by weight of each raw material are：
30 parts of city sludge；
30 parts of flyash；
7 parts of quick lime；
7 parts of gypsum；
7 parts of portland cement；
7 parts of ferrous sulfide；
7 parts of straw ash；
2 parts of lithium carbonate；
2 parts of bauxite；
2 parts of Fluorspar Powder；
2 parts of sodium pyrophosphate；
2 parts of laurel alcohol ether phosphate potassium；
2 parts of nano aluminium oxide；
(2) mix：Each raw material is mixed, appropriate water is then added, is sufficiently stirred for, obtain slurry；
(3) granulating and forming：By slurry granulating and forming, the haydite that particle diameter is 5mm is obtained；
(4) steam curing：Haydite is put into vaporium and conserved 36 hours, curing temperature is 90 degrees Celsius；Produce unburned
Haydite；
Before steam curing, also comprise the following steps：Haydite is put into fog room and conserved 24 hours, control maintenance
The temperature of room is at 26 DEG C, and humidity should be more than 70%.
Described to be mixed into ball milling mixing, Ball-milling Time is 5h.
The nano aluminium oxide is nano alumina sol, and particle diameter is 70nm.
A kind of light non-fired haydite prepared using above-mentioned preparation method.The apparent density of light non-fired haydite is
0.98g/cm3。
It is a kind of to be used for the purposes of roof greening using above-mentioned light non-fired haydite.
Embodiment 2：
A kind of preparation method of light non-fired haydite for roof greening, including following preparation process：
(1) get the raw materials ready：It is sub- with quick lime, gypsum, portland cement, vulcanization using city sludge and flyash as primary raw material
Iron and straw ash are auxiliary element, with lithium carbonate, bauxite, Fluorspar Powder, sodium pyrophosphate, laurel alcohol ether phosphate potassium, nano oxygen
Change aluminium is additive；The parts by weight of each raw material are：
25 parts of city sludge；
35 parts of flyash；
6 parts of quick lime；
7 parts of gypsum；
6 parts of portland cement；
6 parts of ferrous sulfide；
7 parts of straw ash；
3 parts of lithium carbonate；
3 parts of bauxite；
2 parts of Fluorspar Powder；
1 part of sodium pyrophosphate；
2 parts of laurel alcohol ether phosphate potassium；
1 part of nano aluminium oxide；
(2) mix：Each raw material is mixed, appropriate water is then added, is sufficiently stirred for, obtain slurry；
(3) granulating and forming：By slurry granulating and forming, the haydite that particle diameter is 4mm is obtained；
(4) steam curing：Haydite is put into vaporium and conserved 32 hours, curing temperature is 95 degrees Celsius；Produce unburned
Haydite；
Before steam curing, also comprise the following steps：Haydite is put into fog room and conserved 24 hours, control maintenance
The temperature of room is at 26 DEG C, and humidity should be more than 70%.
Described to be mixed into ball milling mixing, Ball-milling Time is 5h.
The nano aluminium oxide is nano alumina sol, and particle diameter is 50nm.
A kind of light non-fired haydite prepared using above-mentioned preparation method.The apparent density of light non-fired haydite is
0.93g/cm3。
It is a kind of to be used for the purposes of roof greening using above-mentioned light non-fired haydite.
Embodiment 3：
A kind of preparation method of light non-fired haydite for roof greening, including following preparation process：
(1) get the raw materials ready：It is sub- with quick lime, gypsum, portland cement, vulcanization using city sludge and flyash as primary raw material
Iron and straw ash are auxiliary element, with lithium carbonate, bauxite, Fluorspar Powder, sodium pyrophosphate, laurel alcohol ether phosphate potassium, nano oxygen
Change aluminium is additive；The parts by weight of each raw material are：
20 parts of city sludge；
40 parts of flyash；
7 parts of quick lime；
9 parts of gypsum；
7 parts of portland cement；
7 parts of ferrous sulfide；
9 parts of straw ash；
1 part of lithium carbonate；
2 parts of bauxite；
3 parts of Fluorspar Powder；
2 parts of sodium pyrophosphate；
2 parts of laurel alcohol ether phosphate potassium；
1 part of nano aluminium oxide；
(2) mix：Each raw material is mixed, appropriate water is then added, is sufficiently stirred for, obtain slurry；
(3) granulating and forming：By slurry granulating and forming, the haydite that particle diameter is 7mm is obtained；
(4) steam curing：Haydite is put into vaporium and conserved 36 hours, curing temperature is 100 degrees Celsius；Produce unburned
Haydite；
Before steam curing, also comprise the following steps：Haydite is put into fog room and conserved 24 hours, control maintenance
The temperature of room is at 26 DEG C, and humidity should be more than 70%.
Described to be mixed into ball milling mixing, Ball-milling Time is 5h.
The nano aluminium oxide is nano alumina sol, and particle diameter is 100nm.
A kind of light non-fired haydite prepared using above-mentioned preparation method.The apparent density of light non-fired haydite is
0.88g/cm3。
It is a kind of to be used for the purposes of roof greening using above-mentioned light non-fired haydite.
Embodiment 4：
A kind of preparation method of light non-fired haydite for roof greening, including following preparation process：
(1) get the raw materials ready：It is sub- with quick lime, gypsum, portland cement, vulcanization using city sludge and flyash as primary raw material
Iron and straw ash are auxiliary element, with lithium carbonate, bauxite, Fluorspar Powder, sodium pyrophosphate, laurel alcohol ether phosphate potassium, nano oxygen
Change aluminium is additive；The parts by weight of each raw material are：
40 parts of city sludge；
40 parts of flyash；
5 parts of quick lime；
5 parts of gypsum；
5 parts of portland cement；
5 parts of ferrous sulfide；
5 parts of straw ash；
1 part of lithium carbonate；
2 parts of bauxite；
1 part of Fluorspar Powder；
2 parts of sodium pyrophosphate；
1 part of laurel alcohol ether phosphate potassium；
1 part of nano aluminium oxide；
(2) mix：Each raw material is mixed, appropriate water is then added, is sufficiently stirred for, obtain slurry；
(3) granulating and forming：By slurry granulating and forming, the haydite that particle diameter is 7mm is obtained；
(4) steam curing：Haydite is put into vaporium and conserved 24 hours, curing temperature is 85 degrees Celsius；Produce unburned
Haydite；
Before steam curing, also comprise the following steps：Haydite is put into fog room and conserved 24 hours, control maintenance
The temperature of room is at 26 DEG C, and humidity should be more than 70%.
Described to be mixed into ball milling mixing, Ball-milling Time is 5h.
The nano aluminium oxide is nano alumina sol, and particle diameter is 30nm.
A kind of light non-fired haydite prepared using above-mentioned preparation method；The apparent density of light non-fired haydite is
0.93g/cm3。
It is a kind of to be used for the purposes of roof greening using above-mentioned light non-fired haydite.
Embodiment 5：
A kind of preparation method of light non-fired haydite for roof greening, including following preparation process：
(1) get the raw materials ready：It is sub- with quick lime, gypsum, portland cement, vulcanization using city sludge and flyash as primary raw material
Iron and straw ash are auxiliary element, with lithium carbonate, bauxite, Fluorspar Powder, sodium pyrophosphate, laurel alcohol ether phosphate potassium, nano oxygen
Change aluminium is additive；The parts by weight of each raw material are：
40 parts of city sludge；
40 parts of flyash；
10 parts of quick lime；
10 parts of gypsum；
Portland cement 10；
10 parts of ferrous sulfide；
10 parts of straw ash；
3 parts of lithium carbonate；
3 parts of bauxite；
3 parts of Fluorspar Powder；
3 parts of sodium pyrophosphate；
3 parts of laurel alcohol ether phosphate potassium；
3 parts of nano aluminium oxide；
(2) mix：Each raw material is mixed, appropriate water is then added, is sufficiently stirred for, obtain slurry；
(3) granulating and forming：By slurry granulating and forming, the haydite that particle diameter is 7mm is obtained；
(4) steam curing：Haydite is put into vaporium and conserved 48 hours, curing temperature is 100 degrees Celsius；Produce unburned
Haydite；
Before steam curing, also comprise the following steps：Haydite is put into fog room and conserved 24 hours, control maintenance
The temperature of room is at 26 DEG C, and humidity should be more than 70%.
Described to be mixed into ball milling mixing, Ball-milling Time is 5h.
The nano aluminium oxide is nano alumina sol, and particle diameter is 100nm.
A kind of light non-fired haydite prepared using above-mentioned preparation method.The apparent density of light non-fired haydite is
0.82g/cm3。
It is a kind of to be used for the purposes of roof greening using above-mentioned light non-fired haydite.
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 is required rather than described above is limited, 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 for clarity, those skilled in the art should
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It may be appreciated other embodiment.
Claims (7)
1. a kind of preparation method of light non-fired haydite for roof greening, it is characterised in that：Including following preparation process：
(1) get the raw materials ready：Using city sludge and flyash as primary raw material, with quick lime, gypsum, portland cement, ferrous sulfide and
Straw ash is auxiliary element, with lithium carbonate, bauxite, Fluorspar Powder, sodium pyrophosphate, laurel alcohol ether phosphate potassium, nano aluminium oxide
For additive；The parts by weight of each raw material are：
20-40 parts of city sludge；
20-40 parts of flyash；
5-10 parts of quick lime；
5-10 parts of gypsum；
5-10 parts of portland cement；
5-10 parts of ferrous sulfide；
5-10 parts of straw ash；
1-3 parts of lithium carbonate；
1-3 parts of bauxite；
1-3 parts of Fluorspar Powder；
1-3 parts of sodium pyrophosphate；
1-3 parts of laurel alcohol ether phosphate potassium；
1-3 parts of nano aluminium oxide；
(2) mix：Each raw material is mixed, appropriate water is then added, is sufficiently stirred for, obtain slurry；
(3) granulating and forming：By slurry granulating and forming, the haydite that particle diameter is 3-7mm is obtained；
(4) steam curing：Haydite is put into vaporium and conserved 24-48 hours, curing temperature is 85-100 degrees Celsius；Produce and exempt from
Haydite is burnt, its apparent density is less than 1.1g/cm3；
The nano aluminium oxide is nano alumina sol, and particle diameter is 30-100nm.
2. a kind of preparation method of the light non-fired haydite as claimed in claim 1 for roof greening, it is characterised in that：
Before steam curing, also comprise the following steps：Haydite is put into fog room and conserved 24 hours, the temperature of control fog room exists
26 DEG C, humidity should be more than 70%.
3. a kind of preparation method of the light non-fired haydite as claimed in claim 1 or 2 for roof greening, its feature exists
In：Described to be mixed into ball milling mixing, Ball-milling Time is 5h.
4. a kind of preparation method of the light non-fired haydite as claimed in claim 1 for roof greening, it is characterised in that：Institute
Steam-cured curing temperature is stated for 90 degrees Celsius.
5. a kind of usage right requires the light non-fired haydite that any described preparation methods of 1-4 are prepared.
6. a kind of light non-fired haydite as claimed in claim 5, its apparent density is less than 1.1g/cm3。
7. the light non-fired haydite described in a kind of usage right requirement 5 or 6 is used for the purposes of roof greening.
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106082734A (en) * | 2016-06-14 | 2016-11-09 | 马鞍山十七冶工程科技有限责任公司 | A kind of municipal sludge baking-free ceramicite and preparation method thereof |
| CN107540326B (en) * | 2017-09-25 | 2020-06-26 | 贵州开磷磷石膏综合利用有限公司 | Phosphogypsum ceramsite for landscaping and preparation method thereof |
| CN107473763B (en) * | 2017-09-25 | 2020-06-26 | 贵州开磷磷石膏综合利用有限公司 | Phosphogypsum ceramsite for sewage filtration and preparation method thereof |
| CN110835247B (en) * | 2018-08-16 | 2021-11-09 | 扬州大学 | Emulsified asphalt and cement composite cementing material solidified sludge non-fired ceramsite |
| CN111620663B (en) * | 2020-04-30 | 2021-10-15 | 南京钜力智能制造技术研究院有限公司 | Fly ash solid waste fiber non-sintered ceramsite and preparation method thereof |
| CN113582627A (en) * | 2021-08-30 | 2021-11-02 | 广东工业大学 | Nano-alumina modified ultra-light cement-based composite material and preparation method and application thereof |
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| CN102092994A (en) * | 2010-11-25 | 2011-06-15 | 大连恒翔粉煤灰综合利用有限公司 | Fly ash sintering-free ceramsite |
| CN103145442A (en) * | 2013-03-28 | 2013-06-12 | 南京工业大学 | Method for preparing non-sintered ceramisites by using chemical sludge |
| CN104311128A (en) * | 2014-10-08 | 2015-01-28 | 严亮 | Porous adsorption type ceramsite and preparation method thereof |
| CN104609886A (en) * | 2014-12-19 | 2015-05-13 | 安徽中龙建材科技有限公司 | An earthquake-resistant aerated building block and a preparing method thereof |
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2015
- 2015-08-17 CN CN201510502798.4A patent/CN105060924B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102092994A (en) * | 2010-11-25 | 2011-06-15 | 大连恒翔粉煤灰综合利用有限公司 | Fly ash sintering-free ceramsite |
| CN103145442A (en) * | 2013-03-28 | 2013-06-12 | 南京工业大学 | Method for preparing non-sintered ceramisites by using chemical sludge |
| CN104311128A (en) * | 2014-10-08 | 2015-01-28 | 严亮 | Porous adsorption type ceramsite and preparation method thereof |
| CN104609886A (en) * | 2014-12-19 | 2015-05-13 | 安徽中龙建材科技有限公司 | An earthquake-resistant aerated building block and a preparing method thereof |
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