CN104909877A - Lightweight substrate for roof greening and preparation method - Google Patents
Lightweight substrate for roof greening and preparation method Download PDFInfo
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- CN104909877A CN104909877A CN201510259200.3A CN201510259200A CN104909877A CN 104909877 A CN104909877 A CN 104909877A CN 201510259200 A CN201510259200 A CN 201510259200A CN 104909877 A CN104909877 A CN 104909877A
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- China
- Prior art keywords
- roof greening
- light ground
- ground mass
- phosphorus
- nitrogen
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
Abstract
The invention provides a lightweight substrate for roof greening. The substrate is composed of the following components by mass: 30% to 40% of sludge, 10% to 20% of rice straws, 20% to 30% of carbonated rice husk, 20% to 30% of mushroom residue, 0.105% to 0.500% of a phosphoric acid or phosphate buffer solution with a concentration of 10<-6> to 10<-5> mol/L, and 0.105% to 0.125% of a nitrogen-phosphorus-potassium compound fertilizer. The invention also provides a preparation method for the substrate. The substrate provided by the invention has the advantages of discapability of sharp changing of a pH value and capability of effective protection of survival and good growth of green plants.
Description
Technical field
The present invention relates to a kind of roof greening light ground mass and preparation method thereof.
Background technology
The land occupation condition that roof greening has it special, plant life environment is a space environment departed from the earth, there is no supplementing of underground water, completely by rainfall and the moisture of irrigating supplementary planting soil or matrix, temperature fluctuation is large, and plant is subject to freeze injury and burns, and its weather of different geographical, biology, building have extremely complicated regional differences in addition, the potential of hydrogen that base is held with outside atmosphere generation change sharply, can not ensure the survival of green plants and good growth situation.How passing through to realize effectively regulating to control Green Roof Plants living environment to matrix, is the gordian technique content of roof greening.
Summary of the invention
The object of this invention is to provide a kind of roof greening light ground mass, having potential of hydrogen can not sharply change, the survival of energy effective guarantee green plants and good growth situation.The present invention also provides the preparation method of this matrix.
To achieve these goals, the technical solution used in the present invention is as follows: a kind of roof greening light ground mass, is respectively the mud of 30% ~ 40%, the straw of 10% ~ 20% is considered to be worth doing, the charring rice husk of 20% ~ 30%, the mushroom residue of 20% ~ 30%, the concentration of 0.105% ~ 0.500% are 10 by mass percent
-6~ 10
-5the phosphoric acid of mo l/L or phosphate buffered saline buffer, and the nitrogen-phosphorus-potassium compound fertilizer composition of 0.105% ~ 0.125%.
According to above scheme, the pH value of described matrix is 5.5 ~ 7.5.
According to above scheme, the mass percent of described nitrogen-phosphorus-potassium compound fertilizer in substrate composition is respectively the N of 0.040% ~ 0.045%, the P of 0.020% ~ 0.030%
2o
5, and 0.045% ~ 0.050% K
2o.
According to above scheme, the length of described straw bits is not more than 5 centimetres.
According to above scheme, the carbonization degree of described charring rice husk is 85% ~ 95%.
The present invention also provides a kind of preparation method of roof greening light ground mass, it is characterized in that, comprises following steps:
The mud of 30% ~ 40%, the straw bits of 10% ~ 20%, charring rice husk, the mushroom residue of 20% ~ 30%, the concentration of 0.105% ~ 0.500% of 20% ~ 30% is provided to be 10 by mass percentage respectively
-6~ 10
-5the phosphoric acid of mol/L or phosphate buffered saline buffer, and the nitrogen-phosphorus-potassium compound fertilizer of 0.105% ~ 0.125%;
Phosphoric acid or phosphate buffered saline buffer and charring rice husk are carried out being mixed and made into the first compound;
At 60 ~ 70 DEG C of bottom fermentations after mixing 50% ~ 60% of mud, mushroom residue and straw bits total amount, treat that fermentation completes post-drying and is less than 20% to water content, to make the second compound;
First compound, the second compound, remaining straw bits and nitrogen-phosphorus-potassium compound fertilizer are carried out Homogeneous phase mixing.
According to above scheme, after the first compound, the second compound, remaining straw bits and nitrogen-phosphorus-potassium compound fertilizer are carried out Homogeneous phase mixing, pH value is 5.5 ~ 7.5.
According to above scheme, described nitrogen-phosphorus-potassium compound fertilizer is respectively the N of 0.040% ~ 0.045%, the P of 0.020% ~ 0.030% by the quality total amount per-cent accounting for matrix
2o
5, and 0.045% ~ 0.050% K
2o forms.
According to above scheme, the making method of described straw bits is: straw is broken into chip by crusher, and the length of chip is not more than 5 centimetres.
According to above scheme, the carbonization degree of described charring rice husk is 85% ~ 95%.
A kind of roof greening light ground mass of the present invention, compared with similar roof greening substrate products, the rapid take-off and landing that the sharply change (particularly southern summer high temperature area) that its acid-basicity is not subject to roof temperature causes, thus effectively avoid Green Roof Plants because of the death sharply caused by change of the pH of matrix, ensure the survival rate of Green Roof Plants and good growth situation.
Embodiment
A kind of roof greening light ground mass of the present invention, is respectively the mud of 30% ~ 40% by mass percent, the straw of 10% ~ 20% is considered to be worth doing, the charring rice husk of 20% ~ 30%, the mushroom residue of 20% ~ 30%, the concentration of 0.105% ~ 0.500% are 10
-6~ 10
-5the phosphoric acid of mol/L or phosphate buffered saline buffer and 0.105% ~ 0.125% nitrogen-phosphorus-potassium compound fertilizer composition.Concrete making method is, first above-mentioned phosphoric acid or phosphate buffered saline buffer and charring rice husk is carried out being mixed and made into the first compound; Then at 60 ~ 70 DEG C of bottom fermentations after mixing 50% ~ 60% of mud, mushroom residue and straw bits total amount, post-drying is less than 20% to water content, to make the second compound to treat that fermentation completes (carbon-nitrogen rate is no more than 20); Finally the first compound, the second compound, remaining straw bits and nitrogen-phosphorus-potassium compound fertilizer are carried out Homogeneous phase mixing, namely can be made into matrix of the present invention.
Compared with similar roof greening substrate products, the rapid take-off and landing that the sharply change (particularly southern summer high temperature area) that its acid-basicity is not subject to roof temperature causes, thus effectively avoid Green Roof Plants because of the death sharply caused by change of the pH of matrix, ensure the survival rate of Green Roof Plants and good growth situation.Raw-material selection is with in collocation, reasonably combined, the fine aggregate (as mud) of outstanding organic materials and inorganic material and the reasonably combined of coarse aggregate, product is made not only to have had good water conservation, fertilizer conservation performance, but also have good ventilation and insulation heat conductivility, thus make this specific plant of roof on the spot environment there is good adjustment " water, fertilizer, gas, heat " ability using " artificial soil " constructed by this matrix, thus ensure the normal growth of Green Roof Plants.In addition; the raw-material recycling selecting emphasis countryside wastes; refuse is made to become Fei Weibao; for the greening on roof, be both conducive to solving countryside wastes pollution problem, protected rural environment; be conducive to again increasing urban green coverage rate; alleviate city " tropical island effect ", beautified urban environment, improve city resident's living space.
The pH value of matrix can be regulated by phosphoric acid or phosphate buffered saline buffer, make it between 5.5 ~ 7.5, to improve the validity of micronutrient, and meet the requirement of Green Roof Plants to potential of hydrogen.
The mass percent of nitrogen-phosphorus-potassium compound fertilizer in substrate composition be respectively 0.040% ~ 0.045%N, 0.020% ~ 0.030% P
2o
5, and 0.045% ~ 0.050% K
2o, to provide nutrient required for plant-growth.
The concrete making method of straw bits, is that straw is broken into chip by crusher, ensures that the length of chip is not more than 5 centimetres simultaneously, considers to be worth doing mix relatively easily to make straw.
The carbonization degree of charring rice husk is 85% ~ 95%, effectively to regulate the composition of its organic constituent and inorganic component.
Below in conjunction with embodiment, the present invention is described further.
Embodiment 1: take mass percent be 30% mud, the straw bits of 20%, charring rice husk, the mushroom residue of 20%, the concentration of 0.400% of 29.482% be 10
-6~ 10
-5the phosphoric acid of mol/L or phosphate buffered saline buffer, the N of 0.040%, the P of 0.030%
2o
5, 0.048% K
2o, roof greening light ground mass of the present invention can be obtained by above-mentioned making method and technique, and its acid-basicity is not subject to the sharply change of roof temperature, the particularly regional rapid take-off and landing caused of southern summer high temperature, thus effectively avoid Green Roof Plants because of the death sharply caused by change of the pH of matrix, ensure the survival rate of Green Roof Plants and good growth situation.
Embodiment 2: take mass percent be 40% mud, the straw bits of 10%, charring rice husk, the mushroom residue of 25%, the concentration of 0.200% of 24.69% be 10
-6~ 10
-5the phosphoric acid of mol/L or phosphate buffered saline buffer, the N of 0.045%, the P of 0.020%
2o
5, 0.045% K
2o, roof greening light ground mass of the present invention can be obtained by above-mentioned making method and technique, and its acid-basicity is not subject to the sharply change of roof temperature, the particularly regional rapid take-off and landing caused of southern summer high temperature, thus effectively avoid Green Roof Plants because of the death sharply caused by change of the pH of matrix, ensure the survival rate of Green Roof Plants and good growth situation.
Embodiment 3: take mass percent be 35% mud, the straw bits of 15%, charring rice husk, the mushroom residue of 29.527%, the concentration of 0.400% of 20% be 10
-6~ 10
-5the phosphoric acid of mol/L or phosphate buffered saline buffer, the N of 0.043%, the P of 0.025%
2o
5, 0.050% K
2o, roof greening light ground mass of the present invention can be obtained by above-mentioned making method and technique, and its acid-basicity is not subject to the sharply change of roof temperature, the particularly regional rapid take-off and landing caused of southern summer high temperature, thus effectively avoid Green Roof Plants because of the death sharply caused by change of the pH of matrix, ensure the survival rate of Green Roof Plants and good growth situation.
Claims (10)
1. a roof greening light ground mass, is characterized in that, is respectively the mud of 30% ~ 40%, the straw of 10% ~ 20% is considered to be worth doing, the charring rice husk of 20% ~ 30%, the mushroom residue of 20% ~ 30%, the concentration of 0.105% ~ 0.500% are 10 by mass percent
-6~ 10
-5the phosphoric acid of mol/L or phosphate buffered saline buffer, and the nitrogen-phosphorus-potassium compound fertilizer composition of 0.105% ~ 0.125%.
2. a kind of roof greening light ground mass according to claim 1, is characterized in that, the pH value of described matrix is 5.5 ~ 7.5.
3. a kind of roof greening light ground mass according to claim 2, is characterized in that, the mass percent of described nitrogen-phosphorus-potassium compound fertilizer in this substrate composition is respectively the N of 0.040% ~ 0.045%, the P of 0.020% ~ 0.030%
2o
5, and 0.045% ~ 0.050% K
2o.
4. a kind of roof greening light ground mass according to claim 2, is characterized in that, the length of described straw bits is not more than 5 centimetres.
5. a kind of roof greening light ground mass according to claim 2, is characterized in that, the carbonization degree of described charring rice husk is 85% ~ 95%.
6. a preparation method for roof greening light ground mass, is characterized in that, comprises following steps:
The mud of 30% ~ 40%, the straw bits of 10% ~ 20%, charring rice husk, the mushroom residue of 20% ~ 30%, the concentration of 0.105% ~ 0.500% of 20% ~ 30% is provided to be 10 by mass percentage respectively
-6~ 10
-5the phosphoric acid of mol/L or phosphate buffered saline buffer, and the nitrogen-phosphorus-potassium compound fertilizer of 0.105% ~ 0.125%;
Phosphoric acid or phosphate buffered saline buffer and charring rice husk are carried out being mixed and made into the first compound;
At 60 ~ 70 DEG C of bottom fermentations after mixing 50% ~ 60% of mud, mushroom residue and straw bits total amount, treat that fermentation completes post-drying and is less than 20% to water content, to make the second compound;
First compound, the second compound, remaining straw bits and nitrogen-phosphorus-potassium compound fertilizer are carried out Homogeneous phase mixing.
7. the preparation method of a kind of roof greening light ground mass according to claim 6, is characterized in that, after the first compound, the second compound, remaining straw bits and nitrogen-phosphorus-potassium compound fertilizer are carried out Homogeneous phase mixing, pH value is 5.5 ~ 7.5.
8. the preparation method of a kind of roof greening light ground mass according to claim 7, is characterized in that, described nitrogen-phosphorus-potassium compound fertilizer is respectively the N of 0.040% ~ 0.045%, the P of 0.020% ~ 0.030% by the quality total amount per-cent accounting for matrix
2o
5, and 0.045% ~ 0.050% K
2o forms.
9. the preparation method of a kind of roof greening light ground mass according to claim 7, is characterized in that, the making method of described straw bits is: straw is broken into chip by crusher, and the length of chip is not more than 5 centimetres.
10. the preparation method of a kind of roof greening light ground mass according to claim 7, is characterized in that, the carbonization degree of described charring rice husk is 85% ~ 95%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510259200.3A CN104909877B (en) | 2015-05-21 | 2015-05-21 | A kind of roof greening light ground mass and preparation method thereof |
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|---|---|---|---|
| CN201510259200.3A CN104909877B (en) | 2015-05-21 | 2015-05-21 | A kind of roof greening light ground mass and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN104909877A true CN104909877A (en) | 2015-09-16 |
| CN104909877B CN104909877B (en) | 2018-01-12 |
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| CN201510259200.3A Expired - Fee Related CN104909877B (en) | 2015-05-21 | 2015-05-21 | A kind of roof greening light ground mass and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106342581A (en) * | 2016-08-23 | 2017-01-25 | 福建画龙点睛园林集团股份有限公司 | Light planting medium for roof greening |
Citations (5)
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|---|---|---|---|---|
| CN101948339A (en) * | 2010-09-01 | 2011-01-19 | 梁祖荣 | Roof greening organic nutritive medium |
| CN102875227A (en) * | 2012-09-28 | 2013-01-16 | 河南希芳阁绿化工程有限公司 | Lightweight ecological nutrient soil for roof greening and method for preparing lightweight ecological nutrient soil |
| CN103204725A (en) * | 2013-05-02 | 2013-07-17 | 湖南景怡立体绿化有限公司 | Controlled-release nutritional type soilless lawn matrix and preparation method thereof |
| CN103787731A (en) * | 2013-12-10 | 2014-05-14 | 北京东方园林股份有限公司 | Novel roof greening matrix and roof greening method |
| CN104291932A (en) * | 2014-09-12 | 2015-01-21 | 杭州师范大学 | Roof greening culture substrate and preparation method thereof |
-
2015
- 2015-05-21 CN CN201510259200.3A patent/CN104909877B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101948339A (en) * | 2010-09-01 | 2011-01-19 | 梁祖荣 | Roof greening organic nutritive medium |
| CN102875227A (en) * | 2012-09-28 | 2013-01-16 | 河南希芳阁绿化工程有限公司 | Lightweight ecological nutrient soil for roof greening and method for preparing lightweight ecological nutrient soil |
| CN103204725A (en) * | 2013-05-02 | 2013-07-17 | 湖南景怡立体绿化有限公司 | Controlled-release nutritional type soilless lawn matrix and preparation method thereof |
| CN103787731A (en) * | 2013-12-10 | 2014-05-14 | 北京东方园林股份有限公司 | Novel roof greening matrix and roof greening method |
| CN104291932A (en) * | 2014-09-12 | 2015-01-21 | 杭州师范大学 | Roof greening culture substrate and preparation method thereof |
Non-Patent Citations (1)
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| 李谦盛: "屋顶绿化栽培基质的选择", 《安徽农业科学 》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106342581A (en) * | 2016-08-23 | 2017-01-25 | 福建画龙点睛园林集团股份有限公司 | Light planting medium for roof greening |
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| CN104909877B (en) | 2018-01-12 |
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Address after: 410100 Depp 1, No. 3 and 3 of road, Changsha economic and Technological Development Zone, Changsha Province, and two 3 3 of the enterprise park. Patentee after: HUNAN JINGYI ECOLOGICAL TECHNOLOGY HOLDING Co.,Ltd. Address before: 410000 North Building 124, 408 Yuanda Road, Furong district, Changsha, Hunan Patentee before: HUNAN JINGYI TECHNOLOGY DEVELOPMENT Co.,Ltd. |
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Granted publication date: 20180112 |
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