CN108040809A - Sponge urban facilities medium soil and preparation method thereof - Google Patents
Sponge urban facilities medium soil and preparation method thereof Download PDFInfo
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- CN108040809A CN108040809A CN201711225938.3A CN201711225938A CN108040809A CN 108040809 A CN108040809 A CN 108040809A CN 201711225938 A CN201711225938 A CN 201711225938A CN 108040809 A CN108040809 A CN 108040809A
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- sponge urban
- medium soil
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Abstract
The invention belongs to city trees and shrubs planting technology, more particularly to a kind of sponge urban facilities medium soil and preparation method thereof.The sponge urban facilities medium soil, in parts by weight, including following components：60 70 parts of river sand, 10 20 parts of volcanic sand, 10 20 parts of coconut palm chaff, 5 10 parts of activated alumina.The coconut palm chaff is cocoanut husk fiber dust, is coconut by-product or discarded object after processing, is a kind of pure natural organic matter medium.Needed for the sponge urban facilities medium soil of the present invention raw material sources are extensive, at low cost, simple production process, environmentally friendly, have no adverse effects；The medium soil is suitable for the growth needs of various plants flowers, and the excellent physical properties of soil, and crumb structure is good, and air-and water-permeable ability is good, has good water conservation moisture-retaining capacity, can cut down rainfall runoff, there is certain remove function to pollutant.
Description
Technical field
The invention belongs to city trees and shrubs planting technology, more particularly to a kind of sponge urban facilities medium soil and its preparation side
Method.
Background technology
Soil is the basis of plant growth, is root growth, draining, the carrier of retain water and nutrients, maintains composition of the soil, knot
The persistence of structure and its function is the guarantee of plant continued propagation.
The concept in sponge city is a kind of new storm water management thought and technology body for proposing and applying the nineties in last century
System.It attempts to combine by field program, land development and with the rainwater control technology of ecological protection effect, ties up as far as possible
It holds or recovers the hydrological characteristics before the exploitation of developing zone.Rainwater is controlled from source with scattered small-scale control measure, by oozing
Thoroughly, the facilities such as filtering, storage, evaporation and delay, the generation of rainfall runoff is reduced from source, footpath is controlled in runoff Process of Confluence
Stream pollution.
Sponge urban facilities is formed, physicochemical property by human configuration with one kind that medium soil is city trees and shrubs planting soil
The strong artificial soil of good, short texture, ventilation, water conservation, penetrating power.
Existing gardens planting soil, some water-retaining propertys are not good enough, and some permeability are inadequate, and some does not have rainwater purification
Function, it is impossible to be suitble to infiltration, delay, storage and the purification function of sponge city requirement.
Sponge city medium soil not only ensures that plant health is grown, and also has both good penetrability, water storage function, abatement rainwater
Runoff has pollutant certain remove function so that runoff water index reaches national III class standard of surface water.Sponge city pair
Medium soil requirement is higher, and the planting soil that just must manually configure meets the needs of its growth.It is it is required that rotten contained by medium soil
Matter is grown to enrich, and soil will have rational pellet structure, it is not hardened, it is not viscous, it is desirable that have good permeability, and have length
The permeability of phase.Water retention and specific retention should be held essentially constant in service life, and should meet certain purification effect
Fruit requires.
Patent document CN201510626189X, a kind of succulent planting soil formula, using peat as main medium, turf
Ash is used to adjust the acid-base value of planting soil；Patent CN2016100611057, a kind of method for preserving arbuscular mycorrhizal fungi use
Hole plate seedling growth method, using peat, coconut palm chaff, vermiculite, perlite as preservation matrix；Patent CN2012105551497, a kind of silicic acid pottery
Porcelain abrasive media and preparation method thereof.These prior arts are closed not to the utmost in the use of material and the selection of material parameter
Reason, thus the requirement for meeting sponge urban facilities is difficult in comprehensive performance.
The content of the invention
The technical problem to be solved by the invention is to provide a kind of rich in nutrition content, it is not easy hardened and viscous, permeability
With prolonged permeation is good, water retention and the prolonged stability of specific retention are good, have certain clean-up effect sponge city set
Application media soil and preparation method thereof.
The sponge urban facilities medium soil of the present invention, in parts by weight, including following components：
60-70 parts of river sand, 10-20 parts of volcanic sand, 10-20 parts of coconut palm chaff, 5-10 parts of activated alumina.The coconut palm chaff is cocoanut husk
Fiber dust is coconut by-product or discarded object after processing, is a kind of pure natural organic matter medium.
As the preferred of above-mentioned technical proposal, the river sand be coarse sand, granularity 0.5-0.8mm.
As the preferred of above-mentioned technical proposal, the grain size of the volcanic sand is 3-8mm.
As the preferred of above-mentioned technical proposal, the length of the coconut palm chaff is 3-12mm.
As the preferred of above-mentioned technical proposal, the grain size of the activated alumina is 1-3mm.
The preparation method of the sponge urban facilities medium soil of the present invention, comprises the following steps：
(1) after river sand being removed impurity, screened, cleaned, the clean river sand that granularity is 0.5-0.8cm is obtained, in ventilation
Open area is hung 2 ~ 3 days；
(2) after coconut palm chaff being removed impurity, it is placed in steam unit and heats 58 minutes, vapor (steam) temperature is controlled at 75-100 DEG C, is obtained
Length is the coconut palm chaff of 3-12mm；
(3) coconut palm chaff for obtaining step (2) and volcanic sand, activated alumina, are mixed by aforementioned ratio, after being sufficiently stirred, obtained
Mixture A.
(4) the mixture A that the river sand that obtains step (1), step (3) obtain, mixes, after being sufficiently stirred, obtains in proportion
To medium soil.
Needed for the sponge urban facilities medium soil of the present invention raw material sources are extensive, at low cost, simple production process, right
It is environmental-friendly, it has no adverse effects；The medium soil is suitable for the growth needs of various plants flowers, and the physical property of soil is excellent
Different, crumb structure is good, and air-and water-permeable ability is good, has good water conservation moisture-retaining capacity, can cut down rainfall runoff, have to pollutant
Certain remove function.
Specific embodiment
With reference to embodiment, the invention will be further described, which is only used for explaining this technology, does not form
Limiting the scope of the present invention.
Embodiment：
A kind of sponge urban facilities medium soil, in parts by weight, including following components：
65 parts of river sand, 10 parts of volcanic sand, 15 parts of coconut palm chaff, 10 parts of activated alumina.
Generally conventional method may be employed with the production method of medium soil for a kind of sponge urban facilities, currently preferred
Method comprises the following steps：
(1) after river sand being removed impurity, screened, cleaned, the clean river sand that granularity is 0.5-0.8cm is obtained, in ventilation
Open area is hung 2 ~ 3 days；
(2) coconut palm chaff is cocoanut husk fiber dust, is coconut by-product or discarded object after processing, is a kind of pure natural to have
Machine matter medium.It after coconut palm chaff is removed impurity, is placed in steam unit and heats 58 minutes, vapor (steam) temperature is controlled at 75-100 DEG C, is obtained
To the coconut palm chaff that length is 3-12mm；
(3) coconut palm chaff for obtaining step (2) and volcanic sand, activated alumina, mix, after being sufficiently stirred, are mixed in proportion
Object A.
(4) the mixture A that the river sand that obtains step (1), step (3) obtain, mixes, after being sufficiently stirred, obtains in proportion
To medium soil.
Due to adding coconut palm chaff in medium soil formula, coconut palm chaff has good pore structure, is that a kind of good water conservation is protected
Fertile substance is placed it in steam unit and heated 3-8 minutes, vapor (steam) temperature control at 75-100 DEG C, be in order to expand coconut palm chaff,
To obtain physically better chemical absorptive power and stronger cushioning effect；It is heated using steam so that coconut palm chaff absorbs a certain amount of
Moisture, be more easy to merge when it is mixed with other components, and make medium soil process will not excessively absorb other groups
The moisture and nutrient divided, prevents after the medium soil that completes, each several part unbalanced nutrition.
After measured, the pH value for obtaining the medium soil is 6.5, and unit weight is 1.1 g/cm3, and saturation specific retention is 23.25%, is oozed
Saturating rate is 205 mm/h, to the removal rate average out to of a rainwater
| Index | COD | SS | BOD | NH3-N | TN | TP |
| Removal rate | 80 | 81 | 72 | 65 | 61 | 80 |
The indices of the medium soil can meet requirement of the sponge urban facilities to medium soil, meet wanting for associated specifications
It asks.
Claims (6)
1. a kind of sponge urban facilities medium soil, it is characterized in that：In parts by weight, including following components：60-70 parts of river sand,
10-20 parts of volcanic sand, 10-20 parts of coconut palm chaff, 5-10 parts of activated alumina.
2. sponge urban facilities medium soil according to claim 1, it is characterized in that：The granularity of the river sand is 0.5-
0.8mm。
3. sponge urban facilities medium soil according to claim 1, it is characterized in that：The grain size of the volcanic sand is 3-
8mm。
4. sponge urban facilities medium soil according to claim 1, it is characterized in that：The length of the coconut palm chaff is 3-
12mm。
5. sponge urban facilities medium soil according to claim 1, it is characterized in that：The grain size of the activated alumina
For 1-3mm.
6. the preparation method of sponge urban facilities medium soil, comprises the following steps described in a kind of claim 1：
(1) after river sand being removed impurity, screened, cleaned, the clean river sand that granularity is 0.5-0.8cm is obtained, in ventilation
Open area is hung 2 ~ 3 days；
(2) after coconut palm chaff being removed impurity, it is placed in steam unit and heats 58 minutes, vapor (steam) temperature is controlled at 75-100 DEG C, is obtained
Length is the coconut palm chaff of 3-12mm；
(3) coconut palm chaff for obtaining step (2) and volcanic sand, activated alumina, are mixed by aforementioned ratio, after being sufficiently stirred, obtained
Mixture A；
(4) the mixture A that the river sand that obtains step (1), step (3) obtain, mixes, after being sufficiently stirred, is situated between in proportion
Matter soil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711225938.3A CN108040809A (en) | 2017-11-29 | 2017-11-29 | Sponge urban facilities medium soil and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711225938.3A CN108040809A (en) | 2017-11-29 | 2017-11-29 | Sponge urban facilities medium soil and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108040809A true CN108040809A (en) | 2018-05-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201711225938.3A Pending CN108040809A (en) | 2017-11-29 | 2017-11-29 | Sponge urban facilities medium soil and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109652086A (en) * | 2018-11-02 | 2019-04-19 | 珠海南德海绵城市建设管理有限公司 | A kind of sponge city dedicated medium and the preparation method and application thereof |
| CN113994855A (en) * | 2021-09-13 | 2022-02-01 | 深圳市建设（集团）有限公司 | Application of high-permeability spongy soil in plant maintenance |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101395991A (en) * | 2008-10-24 | 2009-04-01 | 中国热带农业科学院热带作物品种资源研究所 | Method for propagating Millettia speciosa Champ. seedlings using cottage |
| CN106216388A (en) * | 2016-07-29 | 2016-12-14 | 宁国市渠源净水设备有限公司 | The equipment of purifying arsenic contamination soil |
| CN106631616A (en) * | 2017-01-04 | 2017-05-10 | 深圳市北林苑景观及建筑规划设计院有限公司 | Formula and preparation method for planting soil on high and steep rock slope |
-
2017
- 2017-11-29 CN CN201711225938.3A patent/CN108040809A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101395991A (en) * | 2008-10-24 | 2009-04-01 | 中国热带农业科学院热带作物品种资源研究所 | Method for propagating Millettia speciosa Champ. seedlings using cottage |
| CN106216388A (en) * | 2016-07-29 | 2016-12-14 | 宁国市渠源净水设备有限公司 | The equipment of purifying arsenic contamination soil |
| CN106631616A (en) * | 2017-01-04 | 2017-05-10 | 深圳市北林苑景观及建筑规划设计院有限公司 | Formula and preparation method for planting soil on high and steep rock slope |
Non-Patent Citations (1)
| Title |
|---|
| 百度文库: "《几种日本特有的园艺栽培介质》", 《HTTPS://WENKU.BAIDU.COM/VIEW/DA0B32F6534DE518964BCF84B9D528EA81C72FB4.HTML》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109652086A (en) * | 2018-11-02 | 2019-04-19 | 珠海南德海绵城市建设管理有限公司 | A kind of sponge city dedicated medium and the preparation method and application thereof |
| CN113994855A (en) * | 2021-09-13 | 2022-02-01 | 深圳市建设（集团）有限公司 | Application of high-permeability spongy soil in plant maintenance |
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Application publication date: 20180518 |
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