CN108239412A - A kind of sponge city is with porous fibre cotton - Google Patents
A kind of sponge city is with porous fibre cotton Download PDFInfo
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- CN108239412A CN108239412A CN201810031864.8A CN201810031864A CN108239412A CN 108239412 A CN108239412 A CN 108239412A CN 201810031864 A CN201810031864 A CN 201810031864A CN 108239412 A CN108239412 A CN 108239412A
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- fibre cotton
- porous fibre
- water
- sponge city
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/04—Ingredients characterised by their shape and organic or inorganic ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
- C08K5/098—Metal salts of carboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/10—Silicon-containing compounds
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Road Paving Structures (AREA)
Abstract
The present invention relates to a kind of sponge cities with porous fibre cotton,Belong to rainwater comprehensive utilization technical field,Porous fibre cotton includes 120 140 parts of basalt in parts by weight,35 40 parts of albites,20 30 parts of silicas,70 80 parts of slags,100 120 parts of environment-protecting and non-poisonous resins,460 470 parts of refined filtration water,68 parts of hydrophilic agents,58 parts of silane coupling agents,8 10 parts of ammonium hydroxide,15 20 parts of water-retaining agent,25 28 parts of stabilizers,30 40 portions of intensives,25 30 parts of neutralizers,During use,Porous fibre cotton outer closures wrap up non-woven fabrics and are provided through through-hole,One group of porous fibre cotton is put into pre-buried hole and is passed through and collects rain pipeline and is connected each through through-hole,Rainwater is penetrated by soil permeability or by collection rain pipeline in porous fibre cotton,No matter rainfall when collect rainwater and discharge rainwater to surrounding soil when being also non-rainfall,The degree and efficiency of charge and discharge water are higher,The requirement of soil water storage in sponge city can be met well.
Description
Technical field
The present invention relates to rainwater comprehensive utilization technical fields, are related to a kind of sponge city porous fibre cotton.
Background technology
Sponge city is in addition to city's green areas is increased, under traditional extensive style urban construction pattern, being subjected to brokenly
Bad water body and other natural resources is restored and is repaired with the means of ecology, rainfall runoff be adjusted, science is controlled
City rainy season waterlogging is managed, rainwater resource is made full use of, original Ecology is protected to rain to the maximum extent and develops low influence
Water application efficiency, this is the basic demand of sponge urban construction, so as to protect the original ecosystem in city to the maximum extent.
Porous fibre cotton product is mainly made of special inorfil cotton and outer packing, belongs to environmentally protective inorfil system
Product, product are suitable for the low influence rainwater comprehensive utilization field in sponge city, can drink up the rain, continuously rainwater is oozed
Thoroughly, it saves, buffer and discharges, be conducive to the on-site elimination of rainwater and restore Urban Natural ecology using surface water is supplemented, can have
Effect alleviates the discharge pressure of Urban Rainwater Pipe Networks, saves the investment of Storm Sewer Network；The folding and unfolding water functionality of soil in itself is with regard to poor, soil
The water content adjustment effect of earth is limited, has seriously affected the utilization of rainwater and effective adjusting of soil moisture content, easily causes to drop
Urban waterlogging and during non-rainfall the phenomenon that urban soil water shortage during rain.
Invention content
The present invention makes up for the shortcomings of the prior art and provide a kind of sponge city porous fibre cotton, the porous fibres
Compressive load after cotton water absorption rate, water suction is significantly higher than the prior art, can further improve the utilization rate of rainwater, for adjusting
The moisture retaining quality of the earth has significant progress effect.
The specific technical solution of the present invention is：
A kind of sponge city is that the porous fibre cotton is included in parts by weight with porous fibre cotton, key point
120-140 parts basalt, 35-40 parts of albites, 20-30 parts of silicas, 70-80 parts of slags, 100-120 parts of environment-protecting and non-poisonous trees
Fat, 460-470 parts of refined filtration water, 6-8 parts of hydrophilic agents, 5-8 parts of silane coupling agents, 8-10 parts of ammonium hydroxide, 15-20 parts of water-retaining agent, 25-28
Part stabilizer, 30-40 portions of intensives, 25-30 parts of neutralizers.
The porous fibre cotton include 130 parts of basalt in parts by weight, 38 parts of albites, 25 parts of silicas,
75 parts of slags, 110 parts of environment-protecting and non-poisonous resins, 465 parts of refined filtration water, 7 parts of hydrophilic agents, 6 parts of silane coupling agents, 9 parts of ammonium hydroxide, 18 parts of guarantors
Aqua, 27 parts of stabilizers, 35 portions of intensives, 28 parts of neutralizers.
The porous fibre cotton include 120 parts of basalt in parts by weight, 36 parts of albites, 24 parts of silicas,
73 parts of slags, 112 parts of environment-protecting and non-poisonous resins, 466 parts of refined filtration water, 7 parts of hydrophilic agents, 7 parts of silane coupling agents, 9 parts of ammonium hydroxide, 18 parts of guarantors
Aqua, 27 parts of stabilizers, 39 portions of intensives, 30 parts of neutralizers.
The porous fibre cotton include 140 parts of basalt in parts by weight, 39 parts of albites, 29 parts of silicas,
78 parts of slags, 117 parts of environment-protecting and non-poisonous resins, 465 parts of refined filtration water, 7 parts of hydrophilic agents, 6 parts of silane coupling agents, 9 parts of ammonium hydroxide, 16 parts of guarantors
Aqua, 26 parts of stabilizers, 32 portions of intensives, 25 parts of neutralizers.
The hydrophilic agent, water-retaining agent, stabilizer, intensive, neutralizer
The beneficial effects of the invention are as follows：The present invention improves hole accounting by the design of porous fibre cotton component, water suction
Rate can reach more than 95%, meanwhile, the integrated carrying ability of cellucotton is improved on the basis of hole quantity is increased, after water suction
Porous fibre cotton compressive load can reach eight tons or more, disclosure satisfy that surrounding soil and thereon side may pass through people, object
The heavy duty applied, avoid porous fibre cotton be squeezed under state water absorption rate institute is impacted, be squeezed release moisture and by
The situation that water absorption rate caused by deformation continuously decreases after extruding ensures that porous fibre cotton can normally make for a long time in pre-buried hole
With；
In addition, when non-rainfall, soil moisture content continuously decreases, which gradually discharges water into surrounding soil
Point, the moisture of release, which can reach, absorbs more than the 90% of moisture, and the efficiency of release is also higher, this also results in porous fibre cotton
Can be to wider release moisture, and be more than close to ground moistening, avoid the raw material that closeer porous fibre cotton is set
Cost and construction cost further improve the effect of soil moisturizing.
By the proportioning of component, not only so that the hole in porous fibre cotton is more, but also the passability of hole is relatively good,
Outside release when inside absorption or surrounding soil moisture when either surrounding soil moisture is more reduce, moisture
It is more smooth by the passability of hole, can meet the needs of rainwater is detained with soil conservation moisture well, significantly improve
The utilization rate of rainwater, while the pressure of urban drainage pipe network is also mitigated, provide skill for further improving for sponge city
Art supports.
Description of the drawings
Fig. 1 is porous fibre cotton mounting structure schematic diagram in the specific embodiment of the invention.
In attached drawing, 1, porous fibre cotton, 2, collection rain pipeline.
Specific embodiment
The present invention relates to a kind of sponge city porous fibre cotton, the porous fibre cotton 1 generally use bulks, in order to keep
Globality, avoids local damage, and blocky outer closures are enclosed with non-woven fabrics, installation site are being needed to dig pre-buried hole, by one
Group porous fibre cotton 1 is put into pre-buried hole, is additionally provided in porous fibre cotton 1 through through-hole, is then stretched by collecting rain pipeline 2
All porous fibre cottons 1 are attached in through-hole, stretch into that the collection rain pipeline 2 through throughhole portions is provided circumferentially about leakage
Rain hole, when under condition of raining, rainwater penetrates into porous fibre cotton 1 by soil, meanwhile, rainwater simultaneously passes through leakage by collection rain pipeline 2
Rain hole is penetrated into porous fibre cotton 1, and porous fibre cotton 1 absorbs rainwater and under non-condition of raining gradually by the rainwater of absorption
In release to surrounding soil so that surrounding soil can also keep certain water content in non-heavy, be the moisture content of soil
It keeps providing technical support.
Embodiment 1, porous fibre cotton 1 include 130 parts of basalt, 38 parts of albites, 25 parts of silicon in parts by weight
Stone, 75 parts of slags, 110 parts of environment-protecting and non-poisonous resins, 465 parts of refined filtration water, 7 parts of hydrophilic agents, 6 parts of silane coupling agents, 9 parts of ammonium hydroxide, 18
Part water-retaining agent, 27 parts of stabilizers, 35 portions of intensives, 28 parts of neutralizers；Hydrophilic agent is nonionic surface active agent, selects poly- mountain
Pear ester；Water-retaining agent is farmland water holding agent；Stabilizer is the mixture of magnesium stearate and titanium dioxide, magnesium stearate and titanium dioxide
Mass ratio be 1:(1.5-2.5)；Intensive selects DH-4 reinforcing agents；Neutralizer selects sodium bicarbonate；
Stabilizer and intensive match, and can ensure that porous fibre cotton 1 after molding keeps set shape, improve carrying
Ability for water absorption rate and discharges moisture in due course and provides structural support, avoids bearing capacity deficiency to absorbing water and discharging outlet capacity
Influence, and the titanium dioxide in stabilizer magnesium stearate and DH-4 types intensive more can be uniformly dispersed to it is porous
Each position of cellucotton 1 provides safeguard for the homogeneous of porous fibre cotton 1, local compression is avoided to collapse；Hydrophilic agent, guarantor
Aqua and neutralizer match the suction that can not only strengthen water suction so as to improve absorption speed, additionally it is possible to stop the rainwater of absorption
It stays in porous fibre cotton 1, the rain drop erosion that the rainwater absorbed in porous fibre cotton 1 is flowed is avoided to replace porous so as to cause
1 short-term internal congestion of cellucotton, neutralizer avoid rainwater from being trapped in porous fibre cotton 1 for neutralizing absorbed slant acidity rainwater
Period in slant acidity rainwater the immersion of porous fibre cotton 1 is corroded, ensured the normal service life of porous fibre cotton 1；
Dispersability of titanium dioxide in stabilizer can be more superior, is dispersed in reference to basalt, albite, silica and slag
In porous fibre cotton, diffusion velocity and rate of release of the rainwater in porous fibre cotton can be improved, when outside moisture content is big
When, moisture is to 1 diffusion inside of porous fibre cotton to saturation, and when outside moisture content is less than porous fibre cotton 1, moisture is from porous
The release outward of 1 inside of cellucotton, absorbs and the promotion of the speed of release can absorb the moisture of process to greatest extent, while also can
Moisture is discharged to wider soil, being related to soil erosion can be significantly improved.
The porous fibre cotton 1 being made of mentioned component with non-woven fabrics is closed and is wrapped up, as shown in Figure 1, by one group of porous fibre
Vinylon and cotton blend 1 arranges successively to be positioned in pre-buried hole, and porous fibre cotton 1 is bulk, is highly 80cm, length 120cm, and thickness is
40cm is 100cm apart from ground, soil surface can plant vegetation, all porous fibre cottons after setting completed with soil landfill
1 is attached by collecting rain pipeline 2, and collection rain pipeline 2 is connected through through-hole by all porous fibre cottons 1 or collects rain
Pipeline 2, through through-hole, leakage is provided on 2 excircle of collection rain pipeline in through-hole across all porous fibre cottons 1
Rain hole, collection rain pipeline 2 are arranged on ground into Yu Kou and are equipped with strainer for excluding sundries, and rainwater passes through soil sum aggregate
It is penetrated into porous fibre cotton 1 after the roof leaking mouth of rain pipeline 2, row's rain mouth of collection rain pipeline 2 is connected to sump or gutter
In, after porous fibre cotton 1 absorbs water saturation, extra rainwater will be drained into sump or gutter；
Since the mixing of intensive adds in, when porous fibre cotton is molded, part shaping speed significantly improves, and is being molded
More gaps can be formed in journey, the porosity of entire porous fibre cotton significantly improves, and water absorption rate can reach more than 95%,
It is stronger in internal diffusivity after water suction, the entire block-like each position of porous fibre cotton can be just related in the short time, is kept away
The top contacted with top soil is exempted from or with the circumferential location wettability that rain water leaking hole is in contact in collection rain pipeline compared with Gao Erkuo
Dissipate the situation less than other positions；Porous fibre cotton 1 after installation landfill can be by the pressure and surrounding soil of top soil
It squeezes, the bearing capacity after the porous fibre cotton 1 water suction can reach 8 tons, avoid the water absorption rate that crimp is brought before absorbing water
The situation of reduction also avoids discharging after wash water the situation of moisture by force to surrounding soil caused by crimp, uses this hair
Porous fibre cotton in bright can gradually be discharged when surrounding soil moisture is relatively low, and efficiently using for rainwater is protected
Card avoids rainwater caused by passively squeezing release from wasting, at the same time, if porous fibre cotton top soil is through remarkable, animal
Or automobile is when movable weight, bearing capacity can avoid soil collapse caused by security risk, ground flat degree compares
Stablize, can be kept for a long time；
Porous fibre cotton 1 involved in the present invention can be applied to the occasions such as park green land, football pitch, vegetable garden, field, be
Region soil improves absorbable amount of moisture, water tariff collection time, significantly improves the utilization rate of rainwater.
Embodiment 2, as the another embodiment of embodiment 1, porous fibre cotton 1 is included in parts by weight
120 parts of basalt, 36 parts of albites, 24 parts of silicas, 73 parts of slags, 112 parts of environment-protecting and non-poisonous resins, 466 parts of refined filtration water, 7 parts of parents
Aqua, 7 parts of silane coupling agents, 9 parts of ammonium hydroxide, 18 parts of water-retaining agent, 27 parts of stabilizers, 39 portions of intensives, 30 parts of neutralizers.
Embodiment 3, as the another embodiment of embodiment 1, porous fibre cotton 1 is included in parts by weight
140 parts of basalt, 39 parts of albites, 29 parts of silicas, 78 parts of slags, 117 parts of environment-protecting and non-poisonous resins, 465 parts of refined filtration water, 7 parts of parents
Aqua, 6 parts of silane coupling agents, 9 parts of ammonium hydroxide, 16 parts of water-retaining agent, 26 parts of stabilizers, 32 portions of intensives, 25 parts of neutralizers.
The present invention improves hole accounting by the design of porous fibre cotton component, and water absorption rate can reach more than 95%,
Meanwhile the integrated carrying ability of cellucotton is improved on the basis of hole quantity is increased, the porous fibre cotton resistance to compression after water suction carries
Lotus can reach eight tons or more, disclosure satisfy that surrounding soil and the heavy duty that the square people that may pass through, object are applied thereon, avoids
Porous fibre cotton is squeezed under state, and water absorption rate institute is impacted, be squeezed release moisture and water suction caused by deformation after being squeezed
The situation that rate continuously decreases, ensure porous fibre cotton can in pre-buried hole long-term normal use；
In addition, when non-rainfall, soil moisture content continuously decreases, which gradually discharges water into surrounding soil
Point, the moisture of release, which can reach, absorbs more than the 90% of moisture, and the efficiency of release is also higher, this also results in porous fibre cotton
Can be to wider release moisture, and be more than close to ground moistening, avoid the raw material that closeer porous fibre cotton is set
Cost and construction cost further improve the effect of soil moisturizing.
By the proportioning of component, not only so that the hole in porous fibre cotton is more, but also the passability of hole is relatively good,
Outside release when inside absorption or surrounding soil moisture when either surrounding soil moisture is more reduce, moisture
It is more smooth by the passability of hole, can meet the needs of rainwater is detained with soil conservation moisture well, significantly improve
The utilization rate of rainwater, while the pressure of urban drainage pipe network is also mitigated, provide skill for further improving for sponge city
Art supports.
The present invention functionally mainly passes through quick and largely drinks up the rain so as to have the function that be similar to sponge,
Alleviate the municipal drainage pressure under rainwater weather, avoid the occurrence of city and see extra large phenomenon, another function is exactly big by this product
After amount drinks up the rain, the rainwater absorbed after becoming a fine day is gradually released in soil and earth's surface again, supplemented with surface water, is realized
The cycle of natural, ecological.
Claims (8)
1. a kind of sponge city is with porous fibre cotton, it is characterised in that：The porous fibre cotton (1) is including according to parts by weight
120-140 parts basalt of meter, 35-40 parts of albites, 20-30 parts of silicas, 70-80 parts of slags, 100-120 parts of environment-protecting and non-poisonous trees
Fat, 460-470 parts of refined filtration water, 6-8 parts of hydrophilic agents, 5-8 parts of silane coupling agents, 8-10 parts of ammonium hydroxide, 15-20 parts of water-retaining agent, 25-28
Part stabilizer, 30-40 portions of intensives, 25-30 parts of neutralizers.
2. a kind of sponge city according to claim 1 is with porous fibre cotton, it is characterised in that：The porous fibre cotton
(1) including in parts by weight 130 parts of basalt, 38 parts of albites, 25 parts of silicas, 75 parts of slags, 110 parts it is environment-protecting and non-poisonous
Resin, 465 parts of refined filtration water, 7 parts of hydrophilic agents, 6 parts of silane coupling agents, 9 parts of ammonium hydroxide, 18 parts of water-retaining agent, 27 parts of stabilizers, 35 parts plus
Strong agent, 28 parts of neutralizers.
3. a kind of sponge city according to claim 1 is with porous fibre cotton, it is characterised in that：The porous fibre cotton
(1) including in parts by weight 120 parts of basalt, 36 parts of albites, 24 parts of silicas, 73 parts of slags, 112 parts it is environment-protecting and non-poisonous
Resin, 466 parts of refined filtration water, 7 parts of hydrophilic agents, 7 parts of silane coupling agents, 9 parts of ammonium hydroxide, 18 parts of water-retaining agent, 27 parts of stabilizers, 39 parts plus
Strong agent, 30 parts of neutralizers.
4. a kind of sponge city according to claim 1 is with porous fibre cotton, it is characterised in that：The porous fibre cotton
(1) including in parts by weight 140 parts of basalt, 39 parts of albites, 29 parts of silicas, 78 parts of slags, 117 parts it is environment-protecting and non-poisonous
Resin, 465 parts of refined filtration water, 7 parts of hydrophilic agents, 6 parts of silane coupling agents, 9 parts of ammonium hydroxide, 16 parts of water-retaining agent, 26 parts of stabilizers, 32 parts plus
Strong agent, 25 parts of neutralizers.
5. a kind of sponge city according to claim 1 is with porous fibre cotton, it is characterised in that：The hydrophilic agent is non-
Ionic surfactant selects polysorbate.
6. a kind of sponge city according to claim 1 is with porous fibre cotton, it is characterised in that：The water-retaining agent is agriculture
Field water-retaining agent.
7. a kind of sponge city according to claim 1 is with porous fibre cotton, it is characterised in that：The stabilizer is hard
The mass ratio of the mixture of fatty acid magnesium and titanium dioxide, magnesium stearate and titanium dioxide is 1:(1.5-2.5).
8. a kind of sponge city according to claim 1 is with porous fibre cotton, it is characterised in that：The intensive is selected
DH-4 reinforcing agents；Neutralizer selects sodium bicarbonate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810031864.8A CN108239412A (en) | 2018-01-12 | 2018-01-12 | A kind of sponge city is with porous fibre cotton |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810031864.8A CN108239412A (en) | 2018-01-12 | 2018-01-12 | A kind of sponge city is with porous fibre cotton |
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| Publication Number | Publication Date |
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| CN108239412A true CN108239412A (en) | 2018-07-03 |
Family
ID=62699557
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810031864.8A Pending CN108239412A (en) | 2018-01-12 | 2018-01-12 | A kind of sponge city is with porous fibre cotton |
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| Country | Link |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110805110A (en) * | 2019-11-12 | 2020-02-18 | 太仓万利信息科技有限公司 | Regional rainwater storage purifies transport formula sponge city management system |
| CN110904979A (en) * | 2019-11-26 | 2020-03-24 | 湖南工业大学 | Highway cutting side slope ecological protection system |
| CN113860796A (en) * | 2021-10-29 | 2021-12-31 | 北京金隅节能保温科技(大厂)有限公司 | Ecological porous cellucotton and preparation process thereof |
| CN114908785A (en) * | 2022-05-16 | 2022-08-16 | 郭福杰 | Drainage device for construction site foundation pit construction |
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| CN103922641A (en) * | 2014-04-28 | 2014-07-16 | 河北金源建材科技有限公司 | Composition and method for preparing novel farm-oriented rock wool |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110805110A (en) * | 2019-11-12 | 2020-02-18 | 太仓万利信息科技有限公司 | Regional rainwater storage purifies transport formula sponge city management system |
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| CN110904979A (en) * | 2019-11-26 | 2020-03-24 | 湖南工业大学 | Highway cutting side slope ecological protection system |
| CN113860796A (en) * | 2021-10-29 | 2021-12-31 | 北京金隅节能保温科技(大厂)有限公司 | Ecological porous cellucotton and preparation process thereof |
| CN114908785A (en) * | 2022-05-16 | 2022-08-16 | 郭福杰 | Drainage device for construction site foundation pit construction |
| CN114908785B (en) * | 2022-05-16 | 2024-01-26 | 郭福杰 | Drainage device for construction of foundation pit of building site |
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