CN105129997B - A kind of preparation method of lightweight concrete for plant growth floating bed - Google Patents
A kind of preparation method of lightweight concrete for plant growth floating bed Download PDFInfo
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- CN105129997B CN105129997B CN201510503399.XA CN201510503399A CN105129997B CN 105129997 B CN105129997 B CN 105129997B CN 201510503399 A CN201510503399 A CN 201510503399A CN 105129997 B CN105129997 B CN 105129997B
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Abstract
The invention discloses a kind of preparation method of lightweight concrete for plant growth floating bed, it is characterised in that comprises the following steps：（1）By water and cement mixing, add Tea Saponin foaming agent and be well mixed, obtain slurry；（2）Slurry is poured into grinding tool and is molded, maintenance obtains the raw basket wall of the bottomless plant of hollow cylindrical shape；（3）Cement, water, polymer dispersion powder and water reducer are mixed into even slurry, then spherical granular polystyrene and slurry are mixed, granular polystyrene is pulled out and drained 25 seconds, the raw basket bottom of plant is filled with, maintenance is made and plants raw basket；（4）Raw basket binding and grid-type arrangements will be planted with terylene rope, lightweight concrete for plant growth floating bed is obtained.The lightweight concrete floating bed buoyancy of the present invention is big, good endurance, and waste and old floating bed is recyclable to be used again, it is to avoid secondary pollution；Preparation technology is simple, flexible, can design floating bed size and dimension according to engineering demand.
Description
Technical field
The present invention relates to Disposal of Water Body Eutrophication field, and in particular to a kind of preparation side of lightweight concrete for plant growth floating bed
Method.
Background technology
When the water bodys such as lake, wetland reach eutrophic state when, algae breeds rapidly shielded from sunlight, make water-bed plant because
Lack photosynthesis death and release nitrogen, phosphorus etc. after rotting.Meanwhile, water body dissolved oxygen amount drastically declines, and causes fish and other lifes
Thing death by suffocation.Accumulate over a long period, vicious circle, final heavy damage water ecology balance.
The key for preventing and preventing body eutrophication is to control the quantity into nutriments such as nitrogen, the phosphorus of water body.
Traditional eutrophication control technology and measure, such as excavate bed mud, deep aerating, flocking settling and chemical agent and kill algae, slowly effect,
And easily cause secondary pollution.Biological floating bed is river, the important biomolecule technical measures of Lake Water purification, is widely used in river and lake water quality
Purification.Biological floating bed technology, be based on water plant, with cultivation technique without soil principle, by carrier of light material and
Matrix, sets up efficient artificial ecological system to cut down the technology of the pollutional load in water body.Different loads are developed in the country
Body it is biological floating bed, mainly have plastic foam plate, bamboo and wood, PVC pipes etc., these floating beds throw away that to there is cost of manufacture high, use year
Limit is short, the problems such as vector stabilisation difference and secondary pollution hidden danger are heavy.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of preparation of lightweight concrete for plant growth floating bed
Method, floating bed cost prepared by method of the invention is low, and buoyancy is big, and good endurance is pollution-free.
Technical scheme is as follows：
A kind of preparation method of lightweight concrete for plant growth floating bed, comprises the following steps：
（1）It is 15-35% water and 50-82% cement mixing 10-30 second by mass percent, then addition 3-15% tea
Saponin-foamed dose is well mixed, and obtains slurry；
（2）Slurry is poured into grinding tool and is molded, is conserved 3 days at 20-40 DEG C, the raw basket wall of the bottomless plant of hollow cylindrical shape is obtained；
（3）It is 21-36% cement, 20-32% water, 10-20% polymer dispersion powder and 1-3% by mass percent
Water reducer is mixed into even slurry, then mixes 21-36% spherical granular polystyrene and slurry 30-60 seconds, by polyphenyl
Grain, which is pulled out, to be drained 2-5 seconds, is filled with the raw basket bottom of plant, is conserved 3 days at 20-40 DEG C, is made and plants raw basket；
（4）Raw basket binding and grid-type arrangements will be planted with terylene rope, lightweight concrete for plant growth floating bed is obtained.
Described, it is highly 15-35cm to plant raw basket, and external diameter is 20-40cm, and wall thickness is 3-10cm.
Described, the thickness for planting raw basket bottom is 5-10cm.
Described, a diameter of 3-4cm of spherical granular polystyrene.
Beneficial effects of the present invention：
（1）Lightweight concrete floating bed buoyancy prepared by the present invention is big, good endurance, and waste and old floating bed is recyclable to be used again, is kept away
Exempt from secondary pollution；
（2）Preparation technology provided by the present invention is simple, flexible, can design floating bed size and dimension according to engineering demand.
（3）The raw material of the present invention is easy to get, with low cost.
Brief description of the drawings
The plant life basket profile of Fig. 1 present invention；
The plant life basket top view of Fig. 2 present invention；
The floating bed structural representation of Fig. 3 present invention.
In figure：1. stomata；2. cement mortar；3. granular polystyrene；4. plant raw basket wall portion；5. plant raw basket bottom；6. plant raw basket；7.
Terylene rope.
Embodiment
Embodiment 1
A kind of preparation method of lightweight concrete for plant growth floating bed, comprises the following steps：
（1）It is 15% water and 82% cement mixing 10 seconds by mass percent, then adds 3% Tea Saponin foaming agent and mix
Close uniform, obtain slurry；
（2）Slurry is poured into grinding tool and is molded, is conserved 3 days at 40 DEG C, the raw basket wall of the bottomless plant of hollow cylindrical shape is obtained；
（3）The cement that mass percent is 21%, 32% water, 10% polymer dispersion powder and 1% water reducer are mixed
Into even slurries, then 36% spherical granular polystyrene and slurry are mixed 60 seconds, granular polystyrene is pulled out and drained 2-5 seconds,
The raw basket bottom of plant is filled with, is conserved 3 days at 20 DEG C, is made and plants raw basket；
（4）Raw basket binding and grid-type arrangements will be planted with terylene rope, density is obtained for 216kg/m3Lightweight plant raw coagulation
Native floating bed.
Described, it is highly 35cm to plant raw basket, and external diameter is 20cm, and wall thickness is 3cm.
Described, the thickness for planting raw basket bottom is 10cm.
Described, a diameter of 4cm of spherical granular polystyrene.
Embodiment 2
A kind of preparation method of lightweight concrete for plant growth floating bed, comprises the following steps：
（1）It is 25% water and 65% cement mixing 20 seconds by mass percent, then adds 10% Tea Saponin foaming agent and mix
Close uniform, obtain slurry；
（2）Slurry is poured into grinding tool and is molded, is conserved 3 days at 30 DEG C, the raw basket wall of the bottomless plant of hollow cylindrical shape is obtained；
（3）The cement that mass percent is 29%, 26% water, 15% polymer dispersion powder and 2% water reducer are mixed
Into even slurries, then 28% spherical granular polystyrene and slurry are mixed 50 seconds, granular polystyrene is pulled out and drained 2-5 seconds,
The raw basket bottom of plant is filled with, is conserved 3 days at 30 DEG C, is made and plants raw basket；
（4）Raw basket binding and grid-type arrangements will be planted with terylene rope, density is obtained for 221kg/m3Lightweight plant raw coagulation
Native floating bed.
Described, it is highly 25cm to plant raw basket, and external diameter is 30cm, and wall thickness is 8cm.
Described, the thickness for planting raw basket bottom is 8cm.
Described, a diameter of 3cm of spherical granular polystyrene.
Embodiment 3
A kind of preparation method of lightweight concrete for plant growth floating bed, comprises the following steps：
（1）It is 35% water and 50% cement mixing 30 seconds by mass percent, then adds 15% Tea Saponin foaming agent and mix
Close uniform, obtain slurry；
（2）Slurry is poured into grinding tool and is molded, is conserved 3 days at 20 DEG C, the raw basket wall of the bottomless plant of hollow cylindrical shape is obtained；
（3）The cement that mass percent is 36%, 20% water, 20% polymer dispersion powder and 3% water reducer are mixed
Into even slurries, then 21% spherical granular polystyrene and slurry are mixed 30 seconds, granular polystyrene is pulled out and drained 2-5 seconds,
The raw basket bottom of plant is filled with, is conserved 3 days at 40 DEG C, is made and plants raw basket；
（4）Raw basket binding and grid-type arrangements will be planted with terylene rope, density is obtained for 239kg/m3Lightweight plant raw coagulation
Native floating bed.
Described, it is highly 15cm to plant raw basket, and external diameter is 40cm, and wall thickness is 10cm.
Described, the thickness for planting raw basket bottom is 5cm.
Described, a diameter of 3cm of spherical granular polystyrene.
Claims (1)
1. a kind of preparation method of lightweight concrete for plant growth floating bed, it is characterised in that comprise the following steps：
（1）It is 15-35% water and 50-82% cement mixing 10-30 second by mass percent, then addition 3-15% Tea Saponins
Foaming agent is well mixed, and obtains slurry；
（2）Slurry is poured into grinding tool and is molded, is conserved 3 days at 20-40 DEG C, the raw basket wall of the bottomless plant of hollow cylindrical shape is obtained；
The life basket of planting is highly 15-35cm, and external diameter is 20-40cm, and wall thickness is 3-10cm；
（3）By diminishing of the mass percent for 21-36% cement, 20-32% water, 10-20% polymer dispersion powder and 1-3%
Agent is mixed into even slurry, then mixes 21-36% spherical granular polystyrene and slurry 30-60 seconds, granular polystyrene is dragged for
Go out to drain 2-5 seconds, be filled with the raw basket bottom of plant, conserved 3 days at 20-40 DEG C, be made and plant raw basket；
The thickness for planting raw basket bottom is 5-10cm；
A diameter of 3-4cm of the spherical granular polystyrene；
（4）Raw basket binding and grid-type arrangements will be planted with terylene rope, lightweight concrete for plant growth floating bed is obtained.
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| CN201510503399.XA CN105129997B (en) | 2015-08-17 | 2015-08-17 | A kind of preparation method of lightweight concrete for plant growth floating bed |
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| CN105129997A CN105129997A (en) | 2015-12-09 |
| CN105129997B true CN105129997B (en) | 2017-10-13 |
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| CN107056177B (en) * | 2017-06-23 | 2019-10-01 | 济南大学 | A kind of composite light aggregate eco-cement concrete floating bed and preparation method thereof |
| CN107540257B (en) * | 2017-08-18 | 2020-02-07 | 济南大学 | Floating bed and preparation method thereof |
| CN114763301A (en) * | 2021-01-15 | 2022-07-19 | 苏州混凝土水泥制品研究院有限公司 | Floating type plant-growing concrete and preparation method thereof |
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| KR100842058B1 (en) * | 2007-03-29 | 2008-06-30 | 한국기계연구원 | The producing method for porous ceramics |
| CN101397167B (en) * | 2008-11-04 | 2011-06-08 | 武汉大学 | Sludge substrate ecological floating island and construction method |
| CN201793429U (en) * | 2010-07-13 | 2011-04-13 | 湖北大学 | Polyphenyl particle-added concrete combined floating bed for cultivating plants on water surface |
| CN102491691A (en) * | 2011-12-09 | 2012-06-13 | 王军 | Foam ceramsite concrete |
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