CN108409269A - A kind of smell airborne dust for soil pollution place inhibits material and its preparation method and application - Google Patents
A kind of smell airborne dust for soil pollution place inhibits material and its preparation method and application Download PDFInfo
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- CN108409269A CN108409269A CN201810095733.6A CN201810095733A CN108409269A CN 108409269 A CN108409269 A CN 108409269A CN 201810095733 A CN201810095733 A CN 201810095733A CN 108409269 A CN108409269 A CN 108409269A
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- smell
- airborne dust
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- pollution place
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Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/10—Lime cements or magnesium oxide cements
-
- 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
- C09K3/00—Materials not provided for elsewhere
- C09K3/22—Materials not provided for elsewhere for dust-laying or dust-absorbing
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00017—Aspects relating to the protection of the environment
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00034—Physico-chemical characteristics of the mixtures
- C04B2111/00146—Sprayable or pumpable mixtures
- C04B2111/00155—Sprayable, i.e. concrete-like, materials able to be shaped by spraying instead of by casting, e.g. gunite
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00241—Physical properties of the materials not provided for elsewhere in C04B2111/00
- C04B2111/00275—Materials impermeable to vapours or gases
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00482—Coating or impregnation materials
- C04B2111/00577—Coating or impregnation materials applied by spraying
-
- 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
- C09K2103/00—Civil engineering use
Abstract
The present invention discloses a kind of smell airborne dust inhibition material and its preparation method and application for soil pollution place, belongs to contaminated soil process field.Raw material provided by the present invention for the smell airborne dust inhibition material in soil pollution place include water, cement, white lime, coarse sand, hemp cut, rice-straw fibre, wood fibre, adhesive for building, converted starch, waterproofing agent.The raw material spray of material is inhibited to protect to after exposed soil body surface provided by the present invention for the smell airborne dust in soil pollution place, the influence of construction site volatile flavor and airborne dust to construction worker and nearby residents can be significantly improved, smell inhibition is apparent, and easy construction, timeliness are long, protection effect is notable, at low cost.
Description
Technical field
The present invention relates to contaminated soil process fields, and in particular to a kind of smell airborne dust for soil pollution place inhibits
Material.
Background technology
Domestic contaminated site is more, distribution is wide, and has escaping gas and airborne dust in repair process mostly, and with stimulation
Property smell, not only threatens to the health of construction worker, is also caused to the life of construction site nearby residents
Greatly puzzlement, social environment influence are larger.As China is increasingly stringenter soil remediation supervision, pierced in work progress
Swash the control problem urgent need to resolve of property smell and airborne dust.The smell that soil remediation place uses at present inhibits means to have HDPE film to cover with mat
The measures such as lid, sprinkling odor suppressing agents.HDPE film cover method cannot achieve while excavate while cover, work progress is cumbersome, of high cost,
Strong wind weather is more easily damaged.
In contrast, since odor suppressing agents have the characteristics that may be implemented more to be favored with digging with spray, for this purpose, in
State patent document CN 102532929A disclose a kind of odor suppressing agents composition suitable for high molecular synthetic material product, institute
State inhibitor component include plant polyphenol kind compound can to high molecular material itself or its be modified a variety of waving in processing material
Hair property component is adsorbed, and has reached the taste removal effect of application demand, but it is only applicable to high molecular synthetic material product, such as
Building materials, household items, packaging, household electrical appliances etc. are not particularly suited for soil pollution repairing construction place, and can not inhibit airborne dust.
In addition, although other existing odor suppressing agents can also realize that its effective time is only 24 small with digging with spray in the market
When, cost is also higher, prevents airborne dust effect also not very apparent, significantly limits the large-scale use of odor suppressing agents.Therefore,
It is long, at low cost to lack a kind of easy construction, timeliness in the market, penetrating odor can be inhibited and prevent the material of airborne dust.
Invention content
Therefore, the technical problem to be solved in the present invention be to overcome shortage easy construction in the prior art, timeliness it is long, at
This is low, can inhibit penetrating odor and prevent the fault in material of airborne dust, to provide a kind of gas for soil pollution place
Taste airborne dust inhibits material and preparation method thereof.
For this purpose, the present invention provides the following technical solutions：
A kind of smell airborne dust for soil pollution place inhibits material, raw material include water, cement, white lime, coarse sand,
Hemp cut, rice-straw fibre, wood fibre, adhesive for building, converted starch, waterproofing agent.The waterproofing agent is waterproofing agent of organosilicon.
The weight of raw material is as follows：30-50 parts of water, 5-25 parts of cement, 5-20 parts of white lime, 25-35 parts of coarse sand,
0-5 parts of hemp cut, 0-5 parts of rice-straw fibre, 2-5 parts of wood fibre, 0.3-1 parts of adhesive for building, 0.3-1 parts of converted starch, waterproofing agent
0-1 parts.
The weight of raw material is as follows：40-50 parts of water, 10-20 parts of cement, 5-10 parts of white lime, coarse sand 30-35
Part, 1-3 parts of hemp cut, 1-3 parts of rice-straw fibre, 2-3 parts of wood fibre, 0.3-0.6 parts of adhesive for building, 0.3-0.6 parts of converted starch,
0.5-1 parts of waterproofing agent.
The weight of raw material is as follows：45 parts of water, 10 parts of cement, 10 parts of white lime, 28.5 parts of coarse sand, 2 parts of hemp cut,
1 part of rice-straw fibre, 2 parts of wood fibre, 0.5 part of adhesive for building, 0.5 part of converted starch, 0.5 part of waterproofing agent.
It is prepared as follows：
(1) water is first added, add wood fibre and stirs so that wood fibre is uniformly dispersed in water；Add rice
Grass fiber, and impregnate so that rice-straw fibre fully absorbs water；Then lime, cement, waterproofing agent is added, and stirring makes uniformly；
(2) and then converted starch is added, high-speed stirred makes it come into full contact with, dissolve with water；
(3) and then adhesive for building is added, stirs evenly；Coarse sand, hemp cut is added, stirs evenly to obtain the final product.
Need to be now with the current, use preceding lasting stirring.
A method of it prepares and inhibits material for the smell airborne dust in soil pollution place, be prepared as follows：
(1) water is first added, add wood fibre and stirs so that wood fibre is uniformly dispersed in water；Add rice
Grass fiber, and impregnate so that rice-straw fibre fully absorbs water；Then lime, cement, waterproofing agent is added, and stirring makes uniformly；
(2) converted starch is added, high-speed stirred makes it come into full contact with, dissolve with water；
(3) adhesive for building is added, is stirred evenly；Be added coarse sand, hemp cut, stir evenly to get；Need to be now with the current, make
With preceding lasting stirring.
The weight of raw material is as follows：30-50 parts of water, 5-25 parts of cement, 5-20 parts of white lime, 25-35 parts of coarse sand,
0-5 parts of hemp cut, 0-5 parts of rice-straw fibre, 2-5 parts of wood fibre, 0.3-1 parts of adhesive for building, 0.3-1 parts of converted starch, waterproofing agent
0-1 parts.
Occupation mode is surface spray shield, and spray shield thickness is 3-5mm.
Interactively between raw material of the present invention respectively forms is as follows：
As air-setting material, initial stage provides gumminess for material of the present invention for cement, lime, is provided after condensation enough hard
Degree；
Coarse sand reduces the dosage of cement and lime, reduces cost as filler aggregate；
Hemp cut, rice-straw fibre, wood fibre improve the water-retaining property and cracking resistance of material, prevent material cracks and enhance
To the adaptability of different slope surfaces.
Adhesive for building increases the viscosity of material so that material of the present invention is preferably combined with soil body surface, prevents stripping
From, peeling.
Converted starch increases the water-retaining property and viscosity of material, improves adaptation of the material of the present invention to various soil mass surface
Property.
Waterproofing agent improves the anti-erosion property and air-tightness of material, prevents precipitation from being destroyed caused by this material, and play
The effect that smell inhibits.
Technical solution of the present invention has the following advantages that：
After 1. the smell airborne dust provided by the present invention for soil pollution place inhibits material spray shield to exposed soil body surface,
Influence of the construction site volatile flavor to construction worker and nearby residents can be significantly improved, smell inhibition is apparent.
2. the smell airborne dust provided by the present invention for soil pollution place inhibits the smell of this material of material to inhibit timeliness
It is long, in the case of no artificial destruction, the sustainable effect for playing smell and inhibiting.
3. the smell airborne dust provided by the present invention for soil pollution place inhibits material that can realize the effect of airborne dust of preventing,
The fine particle that airborne dust will likely be generated is bonded to the soil body, has prevented secondary pollution of the airborne dust to surrounding enviroment completely.
4. the smell airborne dust provided by the present invention for soil pollution place inhibits adaptability for materials strong, completely not by rainfall
And strong wind weather influences, the sustainable effect for playing smell and inhibiting and preventing airborne dust.
5. can be used for the soil body of any gradient provided by the present invention for the smell airborne dust inhibition material in soil pollution place
Surface, easy construction can spray shield at any time after soil excavation, reach best smell inhibition.
6. the smell airborne dust provided by the present invention for soil pollution place inhibits material to be suitable for any irritant gas
The pollution soil body of taste can be simultaneously reached the effect for preventing airborne dust, and protection timeliness is long, at low cost, and can adjust as needed
Material mixture ratio adapts to different construction requirements.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is material configuration flow figure of the present invention.
Specific implementation mode
It is to preferably further understand the present invention to provide following embodiments, it is not limited to the best embodiment party
Formula is not construed as limiting present disclosure and protection domain, anyone under the inspiration of the present invention or by the present invention and its
The feature of his prior art be combined and obtain it is any with the present invention it is same or similar as product, all fall within the present invention
Within protection domain.
The effect that the smell airborne dust for soil pollution place prepared by embodiment 1-3 inhibits material is only listed in the present invention
Fruit verify data, actually inventor have similarly done the compliance test result test of embodiment 4 and 5, effect and reality before the applying date
It is suitable to apply a 1-3, does not tire out one by one state herein.
Specific experiment step or condition person are not specified in embodiment, according to routine experiment described in document in the art
The operation of step or condition can carry out.Reagents or instruments used without specified manufacturer, being can be by acquisition purchased in market
Conventional reagent product.
Reagent source：
White lime:It is available commercially from Wujiang Long Xiang light textiles Co., Ltd, technical grade, Ca (OH)2Content >=85-95%, state
Mark, 400 (mesh)；
Coarse sand：It is available commercially from Beijing wild goose to come back Environmental Protection Technology Co., Ltd, specifications and models are：Apparent density:2.56(kg/
m3), bulk density:1.54(kg/m3), clay content:0.1 (%), clod content:0 (%), moisture content:0.3 (%), robustness refers to
Mark:50 (%), color:White, grey；
Hemp cut：It is available commercially from Tancheng County Hong Cheng gunny products factory, specifications and models are：Level-one, fiber strength >=255, fibre length
>=100, article No. 005；
Rice-straw fibre：It is available commercially from auspicious victory stalk recovery energy Specialty Co-operative Organization of Rudong County；
Wood fibre：It is available commercially from Langfang Zheng Ya thermal insulation materials Co., Ltd, specifications and models are：Model 5-50, specification 20kg,
Elongation at break 35, refractory temperature do not play open fire, and core material is wooden；
Adhesive for building：It is available commercially from Qingdao and adds capable adhesive Co., Ltd, be 9801 adhesive for building；
Converted starch：It is available commercially from Shandong Fuyang Biology Technology Co., Ltd., model fy-005；
Waterproofing agent：For waterproofing agent of organosilicon, it is available commercially from Qingdao remittance De Xinke building materials Co., Ltd, model HD-Si.
Embodiment 1
Water is added according to the ratio calculated in material-stirring device, add wood fibre and stirs 15 minutes, makes
Wood fibre is uniformly dispersed in water；Be added rice-straw fibre, and impregnate 10 minutes, make rice-straw fibre fully absorb water increase and its
The adhesiveness of his additive；Lime, cement, waterproofing agent is added, and stirs 2 minutes；Converted starch is added, high-speed stirred 20 is divided
Clock makes converted starch preferably play a role, and increases viscosity；Adhesive for building is added, stirs 10 minutes；Coarse sand, hemp cut is added,
Stirring 15 minutes, makes material be sufficiently mixed uniformly.It cannot stop stirring after the completion of dispensing, it is now with the current every time.
Embodiment 2-5
The preparation method is the same as that of Example 1, proportioning such as the following table 1
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | |
| Water | 45 | 30 | 40 | 50 | 35 |
| Cement | 10 | 20 | 25 | 10 | 5 |
| White lime | 10 | 17 | 10 | 5 | 20 |
| Coarse sand | 28.5 | 35 | 27 | 30 | 25 |
| Hemp cut | 2 | 5 | -- | 1 | 3 |
| Rice-straw fibre | 1 | -- | 1 | 3 | 5 |
| Wood fibre | 2 | 5 | 3 | 4 | 2 |
| Adhesive for building | 0.5 | 0.3 | 0.6 | 1 | 0.8 |
| Converted starch | 0.5 | 1 | 0.7 | 0.3 | 0.6 |
| Waterproofing agent | 0.5 | 0.7 | 0.5 | -- | 1 |
Smell airborne dust for soil pollution place prepared by experimental example 1-3 inhibits the compliance test result of material
Smell airborne dust for soil pollution place prepared by embodiment 1 inhibits the compliance test result of material
The smell for soil pollution place that the embodiment of the present invention 1 that shield thickness is 5mm is sprayed in horizontal soil body surface is raised
Dirt inhibits material (standing 5 days after spray shield, wait for that its is fully hardened), and is tested, and test result is as follows：
Rain making test result
The rainfall of 30mm/h raininess does not damage this material；
The rainfall of 60mm/h raininess does not damage this material；
When the rainfall of 90mm/h raininess continues 4h, there is local failure in this material, this material is totally disrupted when 6h；
When the rainfall of 120mm/h raininess continues 2h, there is local failure in this material, this material is totally disrupted when 3.5h；
Wind tunnel test result
4m/s wind speed does not damage this material in 4h；
6m/s wind speed does not damage this material in 4h；
8m/s wind speed does not damage this material in 4h；
There is local failure phenomenon in 9m/s wind speed, this material of 3.6h；
There is local failure phenomenon in 10m/s wind speed, this material of 3.3h；
There is local failure phenomenon in 11m/s wind speed, this material of 2.9h, this material of 3.4h is totally disrupted；
PID odor detection results
PID numerical value before spray shield：350 ± 30, PID numerical value after spray is protected：6±2.
Smell airborne dust for soil pollution place prepared by embodiment 2 inhibits the compliance test result of material
The smell for soil pollution place that the embodiment of the present invention 2 that shield thickness is 3mm is sprayed in horizontal soil body surface is raised
Dirt inhibits material (standing 5 days after spray shield, wait for that its is fully hardened), and is tested, and test result is as follows：
Rain making test result
The rainfall of 30mm/h raininess does not damage this material；
The rainfall of 60mm/h raininess does not damage this material；
When the rainfall of 90mm/h raininess continues 4.5h, there is local failure in this material, this material is totally disrupted when 6.2h；
When the rainfall of 120mm/h raininess continues 2.3h, there is local failure in this material, this material is broken completely when 3.5h
It is bad；
Wind tunnel test result
4m/s wind speed does not damage this material in 4h；
6m/s wind speed does not damage this material in 4h；
8m/s wind speed does not damage this material in 4h；
There is local failure phenomenon in 9m/s wind speed, this material of 3.5h；
There is local failure phenomenon in 10m/s wind speed, this material of 3.4h；
There is local failure phenomenon in 11m/s wind speed, this material of 2.8h, this material of 3.2h is totally disrupted；
PID odor detection results
PID numerical value before spray shield：350 ± 32, PID numerical value after spray is protected：6±1.5.
Smell airborne dust for soil pollution place prepared by embodiment 3 inhibits the compliance test result of material
The smell for soil pollution place for the 1-3 of the embodiment of the present invention that shield thickness is 4mm is sprayed in horizontal soil body surface
Airborne dust inhibits material (standing 5 days after spray shield, wait for that its is fully hardened), and is tested, and test result is as follows：
Rain making test result
The rainfall of 30mm/h raininess does not damage this material；
The rainfall of 60mm/h raininess does not damage this material；
When the rainfall of 90mm/h raininess continues 4.1h, there is local failure in this material, this material is totally disrupted when 6h；
When the rainfall of 120mm/h raininess continues 2.1h, there is local failure in this material, this material is broken completely when 3.4h
It is bad；
Wind tunnel test result
4m/s wind speed does not damage this material in 4h；
6m/s wind speed does not damage this material in 4h；
8m/s wind speed does not damage this material in 4h；
There is local failure phenomenon in 9m/s wind speed, this material of 3.7h；
There is local failure phenomenon in 10m/s wind speed, this material of 3.4h；
There is local failure phenomenon in 11m/s wind speed, this material of 3.0h, this material of 3.5h is totally disrupted；
PID odor detection results
PID numerical value before spray shield：350 ± 33, PID numerical value after spray is protected：6±2.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (10)
1. a kind of smell airborne dust for soil pollution place inhibits material, which is characterized in that raw material include water, cement, ripe
Lime, coarse sand, hemp cut, rice-straw fibre, wood fibre, adhesive for building, converted starch, waterproofing agent.
2. the smell airborne dust according to claim 1 for soil pollution place inhibits material,
It is characterized in that, the weight of raw material is as follows：30-50 parts of water, 5-25 parts of cement, 5-20 parts of white lime, coarse sand
25-35 parts, 0-5 parts of hemp cut, 0-5 parts of rice-straw fibre, 2-5 parts of wood fibre, 0.3-1 parts of adhesive for building, converted starch 0.3-1
Part, 0-1 parts of waterproofing agent.
3. the smell airborne dust according to claim 2 for soil pollution place inhibits material,
It is characterized in that, the weight of raw material is as follows：40-50 parts of water, 10-20 parts of cement, 5-10 parts of white lime, coarse sand
30-35 parts, 1-3 parts of hemp cut, 1-3 parts of rice-straw fibre, 2-3 parts of wood fibre, 0.3-0.6 parts of adhesive for building, converted starch 0.3-
0.6 part, 0.5-1 parts of waterproofing agent.
4. the smell airborne dust according to claim 3 for soil pollution place inhibits material,
It is characterized in that, the weight of raw material is as follows：45 parts of water, 10 parts of cement, 10 parts of white lime, 28.5 parts of coarse sand,
2 parts of hemp cut, 1 part of rice-straw fibre, 2 parts of wood fibre, 0.5 part of adhesive for building, 0.5 part of converted starch, 0.5 part of waterproofing agent.
5. the smell airborne dust according to claim 4 for soil pollution place inhibits material, which is characterized in that described anti-
Aqua is waterproofing agent of organosilicon.
6. the smell airborne dust according to claim 5 for soil pollution place inhibits material, which is characterized in that by as follows
It is prepared by method：
(1) water is first added, add wood fibre and stirs so that wood fibre is uniformly dispersed in water；Add straw fibre
Dimension, and impregnate so that rice-straw fibre fully absorbs water；Then lime, cement, waterproofing agent is added, and stirring makes uniformly；
(2) and then converted starch is added, stirs evenly；
(3) and then adhesive for building is added, stirs evenly；Be added coarse sand, hemp cut, stir evenly to get.
7. the smell airborne dust according to claim 6 for soil pollution place inhibits material, which is characterized in that need to now match
It is current, use preceding lasting stirring.
8. a kind of preparing the method for inhibiting material for the smell airborne dust in soil pollution place, which is characterized in that as follows
It prepares：
(1) water is first added, add wood fibre and stirs so that wood fibre is uniformly dispersed in water；Add straw fibre
Dimension, and impregnate so that rice-straw fibre fully absorbs water；Then lime, cement, waterproofing agent is added, and stirring makes uniformly；
(2) and then converted starch is added, stirs evenly；
(3) and then adhesive for building is added, stirs evenly；Be added coarse sand, hemp cut, stir evenly to get；Need now with the current, use
Preceding lasting stirring.
9. according to claim 8 prepare the method for inhibiting material for the smell airborne dust in soil pollution place, feature
It is, the weight of raw material is as follows：30-50 parts of water, 5-25 parts of cement, 5-20 parts of white lime, 25-35 parts of coarse sand, fiber crops
0-5 parts of knife, 0-5 parts of rice-straw fibre, 2-5 parts of wood fibre, 0.3-1 parts of adhesive for building, 0.3-1 parts of converted starch, waterproofing agent 0-1
Part.
10. the smell airborne dust described in claim 1-6 inhibits the application of material, which is characterized in that occupation mode is surface spray shield,
Spray shield thickness is 3-5mm.
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2018
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| CN102491710A (en) * | 2011-12-14 | 2012-06-13 | 中国矿业大学(北京) | Texture decorative mortar and construction process thereof |
| CN102976689A (en) * | 2012-09-29 | 2013-03-20 | 北京东方雨虹防水技术股份有限公司 | Garbage landfill daily covering material, preparation process and use method thereof |
| CN107034904A (en) * | 2017-05-19 | 2017-08-11 | 深圳市方圆环保科技有限公司 | Sow grass seeds by duster fibrous material and preparation method thereof |
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Application publication date: 20180817 |