CN109111108A - A kind of foamed glass material and preparation method thereof improving soil - Google Patents
A kind of foamed glass material and preparation method thereof improving soil Download PDFInfo
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- CN109111108A CN109111108A CN201811230258.5A CN201811230258A CN109111108A CN 109111108 A CN109111108 A CN 109111108A CN 201811230258 A CN201811230258 A CN 201811230258A CN 109111108 A CN109111108 A CN 109111108A
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
- C03C1/002—Use of waste materials, e.g. slags
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B19/00—Other methods of shaping glass
- C03B19/06—Other methods of shaping glass by sintering, e.g. by cold isostatic pressing of powders and subsequent sintering, by hot pressing of powders, by sintering slurries or dispersions not undergoing a liquid phase reaction
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B19/00—Other methods of shaping glass
- C03B19/08—Other methods of shaping glass by foaming
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C11/00—Multi-cellular glass ; Porous or hollow glass or glass particles
- C03C11/007—Foam glass, e.g. obtained by incorporating a blowing agent and heating
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K17/00—Soil-conditioning materials or soil-stabilising materials
- C09K17/02—Soil-conditioning materials or soil-stabilising materials containing inorganic compounds only
- C09K17/06—Calcium compounds, e.g. lime
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2101/00—Agricultural use
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Geochemistry & Mineralogy (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Dispersion Chemistry (AREA)
- Inorganic Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
- Cultivation Of Plants (AREA)
Abstract
The invention discloses a kind of foamed glass materials and preparation method thereof for improving soil, scrap glass bottle is passed through a series of processing by special technology, become that the gas permeability of soil, water deficient mushy material silicon pumice can be improved, aperture is 1~3mm, water absorption rate 10~20%, 800~1700N of stress, 0.6~0.9g/ml of specific gravity；Foaming micropore silicon pumice is made after high temperature is around knot by foaming mixture, and the foaming mixture includes the component of following weight percent: glass powder: 95 ~ 99, active carbon: and 0.2 ~ 1.0, calcium carbonate: 0.5 ~ 1.5.The present invention is specifically applied to the problems such as more the improvement gas permeability of soil, soil hardening, soil lump, water-retaining property of increase soil, and durability is more than 10 years, and water holding capacity is the 50% of foamed glass volume, and will not release harmful substance, securely and reliably.
Description
Technical field
The present invention relates to foamed glass field of material technology, especially a kind of foamed glass material and its system for improving soil
Preparation Method.
The porous, expanded glass material silicon pumice that the present invention studies, dedicated for improve the gas permeability of soil, soil hardening,
Soil lump is more, increases the problems such as water-retaining property of soil, and the durability of foamed glass is more than 10 years, and water holding capacity is foamed glass
The 50% of volume, and foamed glass will not release harmful substance, securely and reliably.
Application field: desert area, agricultural soil, the green plant of flowers, park etc..
Application mode: the objects root zone position such as embedment fruit tree, vegetables, green plant, flowers, usage amount is by root region soil area
10%, specific dosage is according to changes of soil properties.
Background technique
Northwest China is located in inland, is influenced to form large area calacareous soil by continent monsoon climate, calcium,
Content of magnesium is high, and clay content weight, ventilative water permeability is poor, and knot tying is serious, and gas permeability of soil quality is to evaluate a weight of soil
An important factor for wanting index, even more influencing crop root system development and yield composition, will lead to crops early ageing and underproduction etc..By
In this area, farmland area accounts for 40% or more of national farmland area, and crop yield occupies very important work in China
With.
Such as Kiwi berry is the major economic crops of the provinces such as current Shaanxi, Gansu, area reaches more than 1,000 ten thousand mu, meat fertilizer
Succulence, full of nutrition, moderately sour and sweet is tasty, and profit is high, economic benefits.The plant is suitable for ventilative, water penetration is good
It is good, it is grown in the soil of neutral meta-acid, but the glutinous weight soil condition in this area limits the further development of Kiwi berry, when its growth
To 4 years consequence circulars at closed environment, soil is ploughed deeply and is restricted, and 40cm following soil knot tying in orchard is serious, makes macaque
The root growth of peach is severely limited (see Fig. 1,2), limits Kiwi berry yield, quality, resistance and service life.
The current existing improvement gas permeability of soil and water deficient method have: Reducing amount of chemical fertilizer applied, applying organic manure increase micro- life
Object fertilizer, rationally watering, water-saving irrigation, intertillage loosen the soil, build water diversion project.
In order to improve the gas permeability of soil, improve its physicochemical property, the areas such as Shaanxi plantation Kiwi berry pass through over more than ten years
Applying organic manure improves soil with organic matter content to improve the gas permeability of soil, although having received good effect, due to throwing
Money is high, and investment year after year will lead to production cost rising.Some places pass through incorporation waste coal slag or extruding stone in nursery
The measures such as sand improve the gas permeability of soil, can reduce production cost to a certain degree, but since demand is big, the measure is only
It is limited to the configuration of seedling medium.
It is exactly to turn at regular intervals to soil that intertillage, which is loosened the soil, is hoed the fields.It is also required to be turned over after watering every time
It ploughs, especially fruit tree, in order to not influence crops normal growth, less can be carried out mechanized operation, can only manually hoe the fields, because
This needs more human inputs, and manual work speed is slow, and efficiency is relatively low, it is most important that after uprooting, does not cross
How long the problems such as poor air permeability, soil hardening, is occurred again.
The whole nation is made a general survey of, in order to improve the water deficient of some areas soil, governmental input establishes many interregional water transfer works
Journey, such as the south water to north, divert Luanhe water to Tianjin, Yin Luanru Tang, divert water via a canal from the yellow River into Qingdao, draw it is yellow enter Shanxi, northeast Bei Shuinan tune engineering, draw Jiang Ji
Too, Yin great Ru Qin engineering etc. is built in Gansu, and the construction and operation of these engineerings need to put into ten million or even more than one hundred million funds, due to work
Cheng Ju great, it is hard to work in a short time.
The another method for solving agriculture water shortage is Water Saving Agriculture Development: reducing water conveyance loss, carries out irrigated area canal system rehabilitation；
Field water-use efficiency is improved, advanced ground water-saving irrigation technique is carried out.But there are still very for the current water-saving irrigation popularization in China
More problems are difficult to solve.Peasant lacks water-saving idea first, shows no sign of recognizing that water resources crisis and water resource lacked shows
Shape.Secondly lack sufficient the relevant technologies to support, in real life, it is often the case that such as being thrown by country
The water-saving irrigation project of construction is provided usually due to lacking related technical training and technical support, makes water-saving irrigation project should
Some functions cannot get a bit performance, for the peasant for using this technology in person, if lacking related skill
Art support ensures, then some use of water-saving irrigation project do not have yet.
Summary of the invention
The object of the present invention is to provide a kind of foamed glass materials and preparation method thereof for improving soil, pass through special skill
Art by a series of processing, becomes scrap glass bottle can to improve the gas permeability of soil, water deficient mushy material silicon light
Stone.
Present invention firstly provides a kind of foamed glass material for improving soil, the foamed glass material is containing a large amount of micro-
The foaming micropore silicon pumice of hole, which is characterized in that the aperture of the foaming micropore silicon pumice is 1~3mm, water absorption rate 10
~20%, 800~1700N of stress, 0.6~0.9g/ml of specific gravity；Foaming micropore silicon pumice is by foaming mixture through high temperature
It is made after knot, the foaming mixture includes the component of following weight percent:
Glass powder: 95~99,
Active carbon: 0.2~1.0,
Calcium carbonate: 0.5~1.5.
Preferably, the granularity of the glass powder is 1mm hereinafter, the granularity of the active carbon is 1mm hereinafter, the carbonic acid
The granularity of calcium is 150 μm 90% and passes through.
Preferably, foaming micropore silicon pumice has as follows:
Visual appearance: colourless or light green color etc.,
Smell: it is tasteless,
Grain shape: coarse unformed.
Density: 0.9~1.2g/cm3。
Particle size: 50~2000 μm of range (700 μm of intermediate value).
PH value: maximum value pH 10.3, pH 7 (after washing).
Softening temperature: 720~730 DEG C (undecomposed).
The present invention also provides a kind of preparation method of foamed glass material as described above for improving soil, the foaming
Glass material is the foaming micropore silicon pumice containing a large amount of micropores, comprising the following steps:
Following weight percent composition is first mixed to prepare foaming mixture by S1,
Glass powder: 95~99,
Active carbon: 0.2~1.0,
Calcium carbonate: 0.5~1.5；
Wherein, the granularity of the glass powder is 1mm hereinafter, the granularity of the active carbon is 1mm hereinafter, the calcium carbonate
Granularity be 150 μm 90% pass through.
Foaming mixture is stirred evenly and is laid in heating furnace by S2, and thickness 20mm, foaming mixture passes through in heating furnace
Preheating, foaming, sintering three phases, wherein preheating temperature is 760 DEG C~860 DEG C, and preheating time is 10~15 minutes；Foaming temperature
Degree is 900 DEG C~920 DEG C, and foamed time is 10~20 minutes, and sintering temperature is 800 DEG C~830 DEG C, and sintering time is 10~15
Minute；
S3 takes out from sintering stage, naturally cools to room temperature to get foaming micropore silicon pumice.
Compared with prior art, the beneficial effects of the present invention are:
(1) calcium carbonate in the foaming mixture in the present invention, effectively increases foaming, keeps product air holes aperture larger, several
Measure more, stomata is used general character bubble；It is mixed after silicon pumice molding little particle with soil, hardened soil can be effectively improved, increased
Add soil water permeability, aeration.
(2) active carbon in the foaming mixture in the present invention, effectively decomposition chromium oxide, pass through product when improveing soil
It will not secondary pollution soil after many decades.(scrap glass bottle can be used in glass powder, and now current vial is substantially with landfill side
Formula processing, vial includes chromium oxide may decomposite the nuisances such as Cr VI in soil after many decades).
(3) present invention by special technology scrap glass bottle by a series of processing, become that soil can be improved
Gas permeability, water deficient foaming micropore silicon pumice.
(4) the foaming micropore silicon pumice be specifically applied to the improvement gas permeability of soil, soil hardening, soil lump it is more,
The problems such as increasing the water-retaining property of soil, durability is more than 10 years, and water holding capacity is the 50% of foamed glass volume, and will not be released
Harmful substance is released, securely and reliably.
(5) the selected glass powder of formula, material source is in scrap glass bottle, building glass, vehicle glass, the sun
Energy glass etc., this not only largely reduces raw material use costs, but also changes the disposal options of these traditional glass wastes,
Make scrap glass resource recycling, turns waste into wealth.
Detailed description of the invention
Fig. 1 shows the Kiwi berry root system grown in heavy soil.
Fig. 2 shows the Kiwi berry root systems grown in normal soil.
Fig. 3-5 shows a kind of method that the micropore silicon pumice that foams is mixed into plantation sweet tea ridge.
Fig. 6 shows the implantation methods of a planting fruit-trees.
Fig. 7-8 is shown using foaming micropore silicon pumice of the invention as a result, and not using foaming micropore of the invention
The common plantation result of gap silicon pumice.
Fig. 9 shows the comparing result of green onion plantation yield.
Figure 10 shows the comparing result of green soya bean plantation yield.
Figure 11 shows a kind of application method of micropore silicon pumice that foams.
Appended drawing reference:
1- sandy soil, 2- moisture, 3- foaming micropore silicon pumice.
Specific embodiment
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, with reference to the accompanying drawing and specifically
The present invention is further described for embodiment.
Embodiment 1
The present embodiment provides the foamed glass materials and preparation method thereof that the first improves soil.
Step 1, take the glass powder 5kg of 100 μm of granularities, the active carbon 0.025kg of 200 μm of granularities, 130 μm of granularities carbon
Sour calcium 0.06kg, which is mixed, is made foaming mixture
Step 2, foaming mixture obtained above is laid in 20mm high in heating furnace, foaming mixture is in heating furnace
Preheated, foaming, be sintered after being taken out in heating furnace naturally cool to room temperature obtain the first improvement soil foam it is micro-
Hole silicon pumice；Wherein preheating temperature is 760 DEG C, preheating time 10 minutes；Blowing temperature is 900 DEG C, and foamed time is 10 points
Clock, sintering temperature are 800 DEG C, and sintering time is 10 minutes.
Step 3, above-mentioned sintered and foamed heating object is carried out to cooled to room temperature after taking out in heating furnace up to first
The foaming micropore silicon pumice of kind improvement soil, hole aperture are 1~3mm, specific gravity 0.6g/ml, water absorption rate 10%, stress
1700N。
Embodiment 2
The present embodiment provides the foamed glass materials and preparation method thereof that second improves soil.
Step 1,900 μm of granularity glass powder 8KG, 700 μm of granularity active carbon 0.04KG, 150 μm of granularity calcium carbonate are taken
0.19KG, which is mixed, is made foaming mixture；
Step 2, foaming mixture obtained above is laid in 20mm high in heating furnace, foaming mixture is in heating furnace
Preheated, foaming, be sintered after being taken out in heating furnace naturally cool to room temperature obtain second of improvement soil foam it is micro-
Hole silicon pumice；Wherein preheating temperature is 860 DEG C, preheating time 15 minutes.
Step 3, blowing temperature is 920 DEG C, and foamed time is 20 minutes, and sintering temperature is 830 DEG C, and sintering time is 15 points
Clock.Sintered and foamed heating object is carried out to cooled to room temperature to send out to get second of improvement soil after taking out in heating furnace
Steep micropore silicon pumice；Hole aperture is 2~3mm, specific gravity 0.9g/ml, water absorption rate 20%, stress 1400N.
Embodiment 3
As further supplement of the invention, the present embodiment successively provides a kind of vegetable cultivation mode and a kind of planting fruit trees
Mode.
3.1 vegetable cultivation
Foam micropore silicon pumice usage amount (m3/ ha)=5L/m × every row plantation length (row/m) × per hectare plantation row
Number (row/ha) ÷ 1000L/m3。
As Fig. 3-5 provides a kind of method that the micropore silicon pumice that foams is mixed into plantation sweet tea ridge.It first opens up as shown in Figure 3
Upper bottom edge L1=15~20cm, the trapezoidal ridge of bottom L2=45~50cm, height H=20cm.Then as shown in figure 4,
Length L3 about 15cm, the triangular groove of depth D about 15cm, in the triangular groove are dug in the upper bottom edge of the trapezoidal ridge
It is packed into foaming micropore silicon pumice.
3.2 planting fruit trees
Foam micropore silicon pumice usage amount (m3/ ha)=each tree planting area (m3/ tree) × 10% × per hectare tree
Number (tree/ha).
The implantation methods of fruit tree are not as shown in fig. 6, itemize herein.
3.3 use foaming micropore silicon pumice of the invention as a result, and not using foaming micropore silicon of the invention light
The common plantation of stone is as a result, its difference is as shown in Figure 7,8, wherein sandy soil 1, moisture 2, foam micropore silicon pumice 3.
Wherein, the common plantation without containing foaming micropore silicon pumice of the invention, moisture seeps in the sand after irrigation
Thoroughly quickly, a large amount of moisture and liquid fertilizer are lost (Fig. 7).
It is mixed into plantation containing foaming micropore silicon pumice of the invention, it is light due to being mixed with foaming micropore silicon in sandy soil
Stone, foaming micropore silicon pumice maintain the moisture penetrated into sandy soil, and liquid fertilizer is also able in foaming micropore silicon pumice
Retain, for obtaining better fruits and vegetables yield lays the foundation (Fig. 8) in the future.
Embodiment 4
The present embodiment provides the superiority and inferiority comparisons between a foaming micropore silicon pumice and other similar products of the invention.
1 strengths and weaknesses contrast table of table
As can be seen from the above table, compared with similar products, foaming micropore silicon pumice of the invention is breathed freely in the soil
The gas permeability of improvement soil, soil hardening, soil lump are more, increase the problems such as water-retaining property of soil, and durability is more than 10 years, when
Between advantage clearly, and harmful substance will not be released, securely and reliably, not need specially to take out it from soil.
Embodiment 5
The present embodiment provides the examples that a foaming micropore silicon pumice of the invention is used to increase green onion plantation yield.
Test site: the test site Senegal ISRA；
Target crop: green onion；
Time: 2013；
Irrigation method: tubular type is irrigated；
Comparative result: being shown in Fig. 9, on Fig. 9 row for do not use foaming micropore silicon pumice of the invention it is common plant as a result,
Row is using foaming micropore silicon pumice of the invention as a result, test result finds that the latter's result is fresher than the former crop under Fig. 9
Increase by 47% again.
Note: ISRA is Sai Jia Nellie Agricultural Research Institute.
Embodiment 6
The present embodiment provides the examples that a foaming micropore silicon pumice of the invention is used to increase green soya bean plantation yield.
Test site: extensive peasant household (M)；
Target crop: green soya bean；
Time: in January, -2014 in November, 2013；
Irrigation method: tubular type is irrigated；
Comparative result: being shown in Figure 10, is the common plantation knot for not using foaming micropore silicon pumice of the invention on the left of Figure 10
Fruit, on the right side of Figure 10 for using foaming micropore silicon pumice of the invention as a result, test result finds the work of the former result than the latter
Object fresh weight increases by 88%.
Embodiment 7
The present embodiment provides a foaming micropore silicon pumices of the invention to grind to the effect of glutinous heavy soil matter Chinese gooseberry garden
Study carefully example.
Test site: the Yangling Shaanxi demonstration area village Jiang Jiazhai Kiwi berry planting base
Target crop: Kiwi berry (kind: Xu Xiang)
Time: in October, -2018 in December, 2017
Irrigation method: dripping irrigation；
Foam micropore silicon pumice application method: as shown in figure 11, cultivating apart from trunk 100cm distance, the right and left
Trench digging, wide 30cm, deep 60cm, test 3 repetitions of setting, kiwi fruit tree garden seeding row spacing is 400*300cm, foam micropore silicon pumice
Backfill after soil mixes in proportion is dug out with trench digging.Around trunk dripping irrigation.The present embodiment sets up control group.
As a result: such as following table.
2 Kiwi berry of table plants data comparison table
Remarks: (silicon pumice is not added) in control group, and P310 and P03 are two kinds of foaming micropore silicon pumice materials.
As a result summarize: picking has been carried out in this experiment, and from the point of view of fruiting situation, foam micropore silicon pumice material P03
(10%, 5%) processing group is averaged single fruiting quantity highest, and each experimental group sugariness mouthfeel is obviously improved (profession picking
Personnel feed back after foretasting).
Indicate: the Porous Alpha mentioned in this paper Figure of description represents foaming micropore silicon pumice.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of foamed glass material for improving soil, the foamed glass material is the foaming micropore containing a large amount of micropores
Silicon pumice, which is characterized in that it is described foaming micropore silicon pumice aperture be 1~3mm, water absorption rate 10~20%, stress 800~
1700N, 0.6~0.9g/ml of specific gravity；Foaming micropore silicon pumice is made after high temperature is around knot by foaming mixture, described
Foaming mixture includes the component of following weight percent:
Glass powder: 95~99,
Active carbon: 0.2~1.0,
Calcium carbonate: 0.5~1.5.
2. the foamed glass material according to claim 1 for improving soil, which is characterized in that the granularity of the glass powder
For 1mm hereinafter, the granularity of the active carbon is 1mm hereinafter, the granularity of the calcium carbonate is 150 μm 90% passes through.
3. the foamed glass material according to claim 1 for improving soil, which is characterized in that foaming micropore silicon is light
The density of stone is 0.9 1.2 g/cm3。
4. the foamed glass material according to claim 1 for improving soil, which is characterized in that foaming micropore silicon is light
The particle size of stone are as follows: 50~2000 μm of range, 700 μm of intermediate value.
5. the foamed glass material according to claim 1 for improving soil, which is characterized in that foaming micropore silicon is light
The pH value of stone are as follows: maximum value pH 10.3, pH 7 after washing.
6. the foamed glass material according to claim 1 for improving soil, which is characterized in that foaming micropore silicon is light
The softening temperature of stone: undecomposed 720~730 DEG C.
7. a kind of preparation method for the foamed glass material for improving soil, the foamed glass material are to contain a large amount of micropores
Foam micropore silicon pumice, which comprises the following steps:
Following weight percent composition is first mixed to prepare foaming mixture by S1,
Glass powder: 95 ~ 99,
Active carbon: 0.2~1.0,
Calcium carbonate: 0.5~1.5；
Foaming mixture is stirred evenly and is laid in heating furnace by S2, and foaming mixture is preheated in heating furnace, foaming, burns
Three phases are tied, wherein preheating temperature is 760 DEG C~860 DEG C, and preheating time is 10~15 minutes；Blowing temperature be 900 DEG C~
920 DEG C, foamed time is 10~20 minutes, and sintering temperature is 800 DEG C~830 DEG C, and sintering time is 10~15 minutes；
S3 takes out from sintering stage, naturally cools to room temperature to get foaming micropore silicon pumice.
8. the preparation method of the foamed glass material according to claim 7 for improving soil, which is characterized in that the glass
The granularity of powder is 1mm hereinafter, the granularity of the active carbon is 1mm hereinafter, the granularity of the calcium carbonate is 150 μm 90% logical
It crosses.
9. the preparation method of the foamed glass material according to claim 8 for improving soil, which is characterized in that step S1
In, after mixing evenly, foaming mixture is laid in heating furnace with 20mm thickness.
10. the preparation method of the foamed glass material according to claim 9 for improving soil, which is characterized in that step S3
In, it is described foaming micropore silicon pumice aperture be 1~3mm, water absorption rate 10~20%, 800~1700N of stress, specific gravity 0.6~
0.9g/ml。
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111960676A (en) * | 2020-08-25 | 2020-11-20 | 江苏晶瑞特环保新材料有限公司 | Glass pumice for flower planting and preparation method thereof |
| CN113800982A (en) * | 2021-11-04 | 2021-12-17 | 施可丰化工股份有限公司 | Alkali fertilizer of pumice glass and preparation method thereof |
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