CN206143553U - Pavement structure - Google Patents
Pavement structure Download PDFInfo
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- CN206143553U CN206143553U CN201620805563.2U CN201620805563U CN206143553U CN 206143553 U CN206143553 U CN 206143553U CN 201620805563 U CN201620805563 U CN 201620805563U CN 206143553 U CN206143553 U CN 206143553U
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- water
- concrete layer
- road paving
- brick
- paving structure
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Abstract
The utility model discloses a pavement structure, be used for laying in the brick that permeates water (40), pavement structure is including concrete layer that permeates water (20) and steel bones RACK (30) of embedding in these concrete layer that permeates water (20), the upper surface of brick (40) of permeating water is provided with dovetail (41), the lower surface of concrete layer (20) of permeating water be formed with with the trapezoidal slip table of dovetail (41) assorted (21), permeate water concrete layer (20) and permeate water be provided with respectively on brick (40) with the first location pinhole of locating pin (50) assorted (22) and second location pinhole (42). Will the utility model discloses a pavement structure installs on the brick that permeates water, can form the protection to the brick that permeates water, avoids pedestrian or vehicle to the direct impact of the brick that permeates water, takes place wearing and tearing or when damaging because of long -term the use as pavement structure, the pavement structure that can conveniently remove it and more renew, and the brick that permeates water then less so can continue the use owing to the absorb.
Description
Technical field
This utility model is related to a kind of water-permeable brick field, in particular it relates to a kind of road surface for being laid on water-permeable brick
Paving structure.
Background technology
Water-permeable brick is the core component for building sponge city.The water-permeable brick of prior art is typically integrative-structure, and entirety is all
It is made up of the higher pervious concrete of consistency, relatively costly, expensive, the difficulty of popularization and application is larger.Also, this one
Once the water-permeable brick Damage of body structure is accomplished by whole replacing, the significant wastage of material is caused.
Utility model content
The purpose of this utility model is to provide a kind of road paving structure for being laid on water-permeable brick, the paving
Structure can be formed to water-permeable brick and protected, so as to extending the service life of water-permeable brick and can reducing being manufactured into for water-permeable brick
This.
To achieve these goals, this utility model provides a kind of road paving structure, for being laid on water-permeable brick, institute
Road paving structure is stated including pervious concrete layer and the framework of steel reinforcement being embedded in the pervious concrete layer, the water-permeable brick
Upper surface is provided with dovetail groove, and the lower surface of the pervious concrete layer is formed with the trapezoidal cunning matched with the dovetail groove
Platform, is respectively arranged with the first dowel hole and the second positioning matched with alignment pin in the pervious concrete layer and water-permeable brick
Pin-and-hole.
Preferably, the upper surface of the pervious concrete layer is formed with multiple anti-skidding boss.
Preferably, the nose shape of the alignment pin is identical with the shape of the anti-skidding boss.
Preferably, it is coated with coating of titanium dioxide in the pervious concrete layer.
Preferably, the framework of steel reinforcement is formed as cell structure.
Preferably, the pervious concrete layer has loose structure, and the bore dia of the loose structure is 0.1-0.5mm, hole
Gap rate is 15%-35%.
Preferably, the upper table facial contour of the road paving structure is rectangle.
Preferably, the upper table facial contour of the road paving structure is in regular hexagon.
Road paving structure of the present utility model is arranged on water-permeable brick, water-permeable brick can be formed and be protected, it is to avoid OK
The direct impact of people or vehicle to water-permeable brick, when road paving structure weares and teares because of life-time service or damages, Ke Yifang
Just the road paving structure removed and more renewed, water-permeable brick then due to withstanding shocks less therefore can be continuing with,
The service life of water-permeable brick is significantly extended in this way.Also, because road paving structure plays a part of impurity screening, make
Can be permeable as long as obtaining water-permeable brick, the requirement to permeable brick is reduced (it is for instance possible to use particle diameter is more than the first aggregate
The second aggregate and the second binding agent manufacturing water-permeable brick, or using by made by impermeable material, with water stream channel
Brick be used as water-permeable brick), significantly reduce the manufacturing cost of water-permeable brick.
Other feature and advantage of the present utility model will be described in detail in subsequent specific embodiment part.
Description of the drawings
Accompanying drawing is further understood to of the present utility model for providing, and constitutes a part for description, and following
Specific embodiment be used to explain this utility model together, but do not constitute to restriction of the present utility model.In the accompanying drawings：
Fig. 1 is according to a kind of axonometric chart of the road paving structure of embodiment of the present utility model；
Fig. 2 is the sectional view that the line A-A in Fig. 1 is intercepted；
Fig. 3 is a kind of axonometric chart of embodiment of framework of steel reinforcement；
Fig. 4 is the assembling exploded view of road paving structure of the present utility model and water-permeable brick；
Fig. 5 is the installation diagram of road paving structure of the present utility model and water-permeable brick；
Fig. 6 is the sectional view that the line B-B in Fig. 5 is intercepted.
Specific embodiment
Specific embodiment of the present utility model is described in detail below in conjunction with accompanying drawing.It should be appreciated that herein
Described specific embodiment is merely to illustrate and explains this utility model, is not limited to this utility model.
As shown in Figures 1 to 6, this utility model provides a kind of road paving structure, for being laid on water-permeable brick 40, institute
Road paving structure is stated including pervious concrete layer 20 and the framework of steel reinforcement 30 being embedded in the pervious concrete layer 20, it is permeable mixed
The shape of solidifying soil layer 20 and water-permeable brick 40 is adapted, and the upper surface of water-permeable brick 40 is provided with dovetail groove 41, pervious concrete layer 20
Lower surface be formed with the trapezoidal slide unit 21 matched with dovetail groove 41, trapezoidal slide unit 21 is used to be assembled in dovetail groove 41, thoroughly
The first dowel hole 22 and the second dowel hole 42 are respectively arranged with water coagulation soil layer 20 and water-permeable brick 40, alignment pin 50 is passed through
During first dowel hole 22 is to be coupled to the second dowel hole 42, so as to by the road paving structure water-permeable brick 40 is positioned at
On.
In the illustrated embodiment, the road paving structure is in rectangular shape, and trapezoidal slide unit 21 is along the road
The length direction of face paving structure extends, and trapezoidal slide unit 21 limits the road paving structure with the fit structure of dovetail groove 41
Degree of freedom on width and thickness direction, alignment pin 50 further limit the road paving structure in the longitudinal direction
Degree of freedom, so that the road paving structure is positioned on water-permeable brick 40.During installation, first trapezoidal slide unit 21 is slipped into into dovetail
In groove 41, alignment pin 50 is then charged into；During dismounting, first alignment pin 50 is extracted, then by trapezoidal slide unit 21 from dovetail groove 41
Skid off.
In road paving structure of the present utility model, pervious concrete layer 20 is by will be containing the first aggregate and first
What the mixture of binding agent solidify to form, and the first binding agent contains hydrophilic agglomerant.The porous of pervious concrete layer 20 and
Permeable hole is little, not only with water permeability, moreover it is possible to play a role in filtering, and prevents granule larger on road from entering wherein.Steel
Muscles and bones frame 30 is used as the skeleton of road paving structure, the intensity for play and carry pervious concrete layer 20, improving road paving structure
Effect.
Specifically, the method for formation road paving structure of the present utility model can be：Pervious concrete layer 20 will be formed
Each material mixing it is uniform, obtain mixture, and add this mixture in the mould of pervious concrete layer 20, this into
Framework of steel reinforcement 30 is pre-placed in pattern tool, then has carried out in cured condition being cured to form being embedded with framework of steel reinforcement 30
Pervious concrete layer 20.
Road paving structure of the present utility model is arranged on water-permeable brick 40, water-permeable brick 40 can be formed and be protected, kept away
Exempt from the direct impact of pedestrian or vehicle to water-permeable brick 40, when road paving structure weares and teares because of life-time service or damages,
The road paving structure that can be easily removed and more be renewed, water-permeable brick 40 is then less therefore can be after due to withstanding shocks
It is continuous to use, the service life of water-permeable brick 40 is significantly extended in this way.Also, because road paving structure plays impurity screening
Effect so that as long as water-permeable brick 40 can be permeable, reduce the requirement to the material of water-permeable brick 40 (it is for instance possible to use grain
Footpath manufactures water-permeable brick 40 more than second aggregate and the second binding agent of the first aggregate, or employing is made up of impermeable material
, the brick with water stream channel be used as water-permeable brick 40), significantly reduce the manufacturing cost of water-permeable brick 40.
Framework of steel reinforcement 30 can have various appropriate structures.As a kind of embodiment, as shown in figure 3, framework of steel reinforcement
30 are formed as planar grille structure.
In order to increase the roughness of road paving structure upper surface, prevent pedestrian from slipping, the upper table of pervious concrete layer 20
Face is formed with multiple anti-skidding boss 23.
In order to prevent alignment pin 50 from artificially being extracted by child, it is preferable that the nose shape of alignment pin 50 and anti-skidding boss 23
Shape it is identical, to increase the disguise of alignment pin 50, it is not easy to identify.
In order to prevent dust granule from blocking the permeable hole of pervious concrete layer 20, it is preferable that as shown in Fig. 2 permeable coagulation
Coating of titanium dioxide 10 is coated with soil layer 20.
This utility model is not particularly limited for the shape of road paving structure, as long as mutually fitting with the shape of water-permeable brick 40
Should.In the illustrated embodiment, water-permeable brick 40 and road paving structure are in cuboid.In other possible embodiment party
In formula, water-permeable brick 40 and road paving structure can in positive six prismsby shape or other shapes.
According to this utility model, under preferable case, pervious concrete layer 20 has loose structure.Invention of the present utility model
People has found through lot of experiments, when the bore dia of the loose structure is 0.1-0.5mm, when porosity is 15%-35%,
Ensure that pervious concrete layer 20 has excellent water penetration and good filtering function simultaneously.Wherein, the loose structure
Bore dia and porosity can adopt well known to a person skilled in the art method is measured, it is for instance possible to use electronics
Microscope is measured to bore dia, and porosity is measured using drainage.
In the mixture for forming pervious concrete layer 20, the content of first aggregate and hydrophilic agglomerant can be
Select in larger scope and adjust, for example, on the basis of the first aggregate of 100 weight portions, the hydrophilic agglomerant contains
Amount can be 1-20 weight portions；Under preferable case, on the basis of the first aggregate of 100 weight portions, the hydrophilic agglomerant
Content is 2-15 weight portions.
The hydrophilic agglomerant can be existing various hydrophilic agglomerants, as long as disclosure satisfy that by itself and the first bone
Cured the formed pervious concrete layer 20 of mixture of material granule has excellent water permeable ability, and with some strength
Material, can be used as the requirement of road pavement material.For example, the hydrophilic agglomerant can be selected from hydrophilic epoxy tree
One or more in fat, hydrophilic polyurethane resin and hydrophilic acrylic resin.
According to this utility model, the hydrophilic matrix tablets, hydrophilic polyurethane resin and hydrophilic acrylic resin
Refer to the epoxy resin containing enough hydrophilic group and/or hydrophilic segment, polyurethane resin and acrylic acid tree in molecular structure
Fat, the hydrophilic group can for example be selected from one or more in hydroxyl, carboxyl, sulfonic group and ammonium, the hydrophilic segment
For example can be (- CH2-CH2-O-)n, wherein, n is the integer of 1-10.
It is solid in order to contain in the mixture for improving curing performance, first particles of aggregates and hydrophilic agglomerant
Agent.This utility model is not particularly limited for the species of the firming agent, can be carried out rationally according to hydrophilic agglomerant
Ground is selected.For example, for hydrophilic matrix tablets, the firming agent can be that amine system firming agent and/or anhydride system solidify
Agent.Specifically, the amine system firming agent can be ethylenediamine, trimethylhexamethylenediamine, diethyl triamine, methylol second two
Amine, hydroxyethylethylene diamine, dihydroxy ethyl ethylenediamine, ethoxy diethylenetriamine, dihydroxy ethyl ethylenediamine, ethoxy divinyl three
Amine, dihydroxy ethyl diethylenetriamine, ethoxy hexamethylene diamine, a cyanoethyl ethylenediamine, dicyanoethyl ethylenediamine, dicyanoethyl oneself two
Amine, dicyanodiamine, cyclohexanediamine, Meng's alkane diamidogen, amine ethyl croak piperazine, hexamethylenetetramine, isophorone diamine and diaminourea
One or more in hexamethylene；The anhydride can be methyl tetrahydrophthalic anhydride, methyl hexahydrophthalic anhydride, succinic anhydride
With one or more in adipic anhydride.For hydrophilic polyurethane resin, it is different that the firming agent is preferably selected from toluene two
The trimerization of cyanate (TDI), the addition product, the prepolymer of TDI and hydroxy-containing component and TDI of Trimethoprim (TMP)
Body.Relative to the hydrophilic agglomerant of 100 weight portions, the content of the firming agent can be 1-20 weight portions, preferably
5-18 weight portions.
In order to improve the weatherability of the road paving structure, under preferable case, first binding agent can also contain
Weatherability resinoid bond.Usually, on the basis of the first aggregate of 100 weight portions, the weatherability resinoid bond and parent
The total content of aqueous resinous binders is 1-20 weight portions, preferably 2-10 weight portions；And the weatherability resinoid bond with
The weight ratio of hydrophilic resin binding agent is 0-3: 1.The weatherability resinoid bond can be for example epoxy resin and poly- ammonia
One or more in ester resin.It should be noted that as the epoxy resin and polyurethane of the weatherability resinoid bond
Resin is epoxy resin and polyurethane resin without hydrophilic group and/or hydrophilic segment.
According to this utility model, the epoxy resin can for example be selected from cycloaliphatic epoxy resin, hydrogenated bisphenol A type epoxy
Resin, organic-silicon-modified bisphenol A type epoxy resin, saturation glycidyl ester type epoxy resin, heterocyclic type and mixed type asphalt mixtures modified by epoxy resin
One or more in fat.The polyurethane resin is made up of polyisocyanates and polyhydric alcohol；Wherein, the polyisocyanates example
1 can be such as selected from, hexamethylene-diisocyanate (HDI), isophorone diisocyanate (IPDI), XDI
(XDI), 1,3-Diisocyanatomethylcyclohexane (HTDI), dicyclohexyl methyl hydride diisocyanate (HMDI), the methylene of durol two
Group diisocyanate (TMXDI), 1, hexamethylene-diisocyanate biuret, 1, hexamethylene-diisocyanate trimer, isophorone two
Isocyanate trimer, toluene di-isocyanate(TDI) (TDI) and 1, the mixed trimer or performed polymer of hexamethylene-diisocyanate (HDI)
In one or more；The polyhydric alcohols can such as be selected from PEPA, tetrahydrofuran for the polyether polyol of base, containing hydroxyl
One or more in the acrylic resin of base and the organic siliconresin of hydroxyl.The polyurethane resin can be added with urethane level
Solvent, chain extender and cross-linking agent.This utility model is to the consumption of the urethane level solvent, chain extender and cross-linking agent without especially limit
Fixed, for example, on the basis of the gross weight of the polyurethane resin, the consumption of the urethane level solvent can be 0.1-2 weight %；
The chain extender can be 0.1-2 weight % with total consumption of cross-linking agent.The urethane level solvent is preferably ethyl acetate, acetic acid
One or more in methyl ester, dimethyl succinate, diethyl succinate.The chain extender is preferably alcohols and amine with cross-linking agent
Class chain extender and cross-linking agent, described alcohols and amine chain extender and cross-linking agent for example can be BDO, 1,6- oneself two
Alcohol, trimethylolpropane and 3,3 '-two chloro- 4, one or more in 4 '-diaminourea-diphenyl methane MOCA.The poly- ammonia
Urethane cures catalysts can also be added with ester resin.The urethane cures catalysts are preferably organotin
One or more in system or lead series catalysts；Described organotin series catalysts can be dibutyl tin laurate, octanoic acid
Stannous, stannous iso caprylate；The lead series catalysts can be selected from the one kind or many in epoxyeicosatrienoic acid zinc, lead naphthenate and isooctyl acid lead
Kind.This utility model is not particularly limited to the consumption of the urethane cures catalysts, for example, with the polyurethane tree
On the basis of the gross weight of fat, the consumption of the urethane cures catalysts can be 0.1-2 weight %.
In order to improve the intensity and water permeability of road paving structure, under preferable case, in the pervious concrete layer 20
Hydrophilic inorganic material can also be contained.The hydrophilic inorganic material can be existing various hydrophilic inorganic materials, excellent
In the case of choosing, the hydrophilic inorganic material is selected from one or more in kieselguhr, bentonite and perlite.And with 100 weights
On the basis of first particles of aggregates of amount part, the content of the hydrophilic inorganic material is 1-20 weight portions, preferably 5-15 weight
Part.
In order to strengthen the adhesion strength between the first aggregate, it is preferable that can also contain in the pervious concrete layer 20
The coupling agent of siliceous, titanium or P elements, the quality of the coupling agent can be the 0-10% of the hydrophilic agglomerant quality, excellent
Select 0.5-5%.The coupling agent for example can be VTES, γ-glycidyl ether oxygen propoxypropyl three
One or more in methoxy silane etc..
Under preferable case, weatherability additive is also contained in the pervious concrete layer 20, the weatherability additive is
Light stabilizer and/or antioxidant.The light stabilizer is a kind of light stability auxiliary agent that can improve macromolecular material, and it can shield
Cover ultraviolet or absorb ultraviolet and it is converted into harmless heat energy；Or it is quenched the molecule or group excited by ultraviolet
Excited state so as to be returned to ground state；Or the free radical that capture is produced because of photooxidation, it is to avoid photooxidation reaction goes on,
So that macromolecular material exempts from the destruction of ultraviolet.The antioxidant is used to strengthen the antioxygen of the pervious concrete layer 20
The property changed, it is to avoid the road paving structure is aoxidized due to the effect of oneself factor and environmental factorss, so as to cause road surface to spread
The decline or loss of assembling structure performance.Therefore, add in the pervious concrete layer 20 light stabilizer and/or antioxidant it
Afterwards, the service life of the water-permeable brick can effectively be extended.
This utility model is not particularly limited to the consumption of the light stabilizer and/or antioxidant, for example, the light
Total consumption of stabilizer and antioxidant can be 0.1-5 weight % of first binder content.It should be noted that working as
When containing light stabilizer and antioxidant in the pervious concrete layer 20, total consumption of the light stabilizer and antioxidant refers to
Be light stabilizer and antioxidant consumption sum；When in the pervious concrete layer 20 only containing light stabilizer or antioxidation
During agent, total consumption of the light stabilizer and antioxidant refers to the consumption of light stabilizer or antioxidant.The light is stablized
Agent can for example be selected from benzophenone, salicylic acid esters, benzotriazole, hindered amines, light stabilizer HPT and light stabilizer
Any one or several in EPU；Wherein, the benzophenone light stabilizer for example can for UV-207, UV-9, UV-531,
One or more in UV-A, MA, D49 and light stabilizer -50；The salicylate light stabilizer for example can be stable for light
Agent TBS, light stabilizer BAD etc.；The benzotriazole light stabilizer for example can be UV-P, UV-320, UV-326, UV-
327th, UV-328 and UV-5411 etc.；The hindered amine light stabilizer for example can for light stabilizer 744, light stabilizer 144,
Hindered amine 770, light stabilizer 292 etc..The antioxidant can use antioxidant 1222, AT-76, antioxidant 2246-S, AT-
59th, antioxidant 1035, antioxidant 1098, antioxidant 3125, TPP, TNPP, AT-168, antioxidant 245, GA-80, antioxidant
858th, one or more in antioxidant 1010.
This utility model is not particularly limited to the first particles of aggregates diameter, as long as the road surface paving for enabling to
Assembling structure has excellent intensity and drainability, under preferable case, the average particulate diameter of first particles of aggregates
Can be 0.05-1 millimeters.First particles of aggregates various can be used to be formed with known to those skilled in the art
Water brick and the aggregate with some strength, for example, first aggregate can be quartz sand and/or roughing sand.
According to this utility model, in order to obtain more aesthetically pleasing road paving structure, under preferable case, first aggregate
Granule is the first particles of aggregates of Surface coating chromatic colour resin bed, and the color resin layer is by containing pigment agent and hydrophilic resin
The colour-wash of fat solidify to form.And relative to the first particles of aggregates of 100 weight portions, the content of the color resin layer can be with
For 0.5-3.5 weight portions, preferably 0.8-1.8 weight portions.The weight ratio of the pigment agent and hydrophilic resin can be 0.05-
0.5: 1, preferably 0.2-0.3: 1.
This utility model is not particularly limited to the species of the pigment agent, for example can be selected from titanium white, Zinc Oxide, red
One or more in color ferrum oxide, Cinnabaris, ultramarine, cobalt oxide, titan yellow, chrome yellow, white carbon black and phthalocyanine blue.The face of the pigment agent
Color is also not particularly limited, and can be properly selected as needed.
Preferred implementation of the present utility model is described in detail above in association with accompanying drawing, but, this utility model is not limited
Detail in above-mentioned embodiment, in range of the technology design of the present utility model, can be to skill of the present utility model
Art scheme carries out various simple variants, and these simple variants belong to protection domain of the present utility model.
It is further to note that each particular technique feature described in above-mentioned specific embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, this utility model is to each
Plant possible compound mode no longer separately to illustrate.
Additionally, combination in any can also be carried out between a variety of embodiments of the present utility model, as long as it is not disobeyed
Thought of the present utility model is carried on the back, it should equally be considered as content disclosed in the utility model.
Claims (5)
1. a kind of road paving structure, for being laid on water-permeable brick (40), it is characterised in that the road paving structure includes
Pervious concrete layer (20) and the framework of steel reinforcement (30) being embedded in the pervious concrete layer (20), the water-permeable brick (40) it is upper
Surface is provided with dovetail groove (41), and the lower surface of the pervious concrete layer (20) is formed with and matches with the dovetail groove (41)
Trapezoidal slide unit (21), be respectively arranged with the pervious concrete layer (20) and water-permeable brick (40) and match with alignment pin (50)
The first dowel hole (22) and the second dowel hole (42), the pervious concrete layer (20) with loose structure, the porous
The bore dia of structure is 0.1-0.5mm, and porosity is 15%-35%.
2. road paving structure according to claim 1, it is characterised in that be coated with the pervious concrete layer (20)
Coating of titanium dioxide (10).
3. road paving structure according to claim 1, it is characterised in that the framework of steel reinforcement (30) is formed as grid knot
Structure.
4. road paving structure according to claim 1, it is characterised in that the upper table facial contour of the road paving structure
It is rectangle.
5. road paving structure according to claim 1, it is characterised in that the upper table facial contour of the road paving structure
In regular hexagon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620805563.2U CN206143553U (en) | 2016-07-27 | 2016-07-27 | Pavement structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620805563.2U CN206143553U (en) | 2016-07-27 | 2016-07-27 | Pavement structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206143553U true CN206143553U (en) | 2017-05-03 |
Family
ID=58617402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620805563.2U Active CN206143553U (en) | 2016-07-27 | 2016-07-27 | Pavement structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206143553U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112663422A (en) * | 2020-12-08 | 2021-04-16 | 王志文 | Non-cement permeable concrete brick |
-
2016
- 2016-07-27 CN CN201620805563.2U patent/CN206143553U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112663422A (en) * | 2020-12-08 | 2021-04-16 | 王志文 | Non-cement permeable concrete brick |
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Address after: 246600, No. 1, general road, Yuexi Economic Development Zone, Anqing, Anhui Patentee after: Anhui Renchuang ecological environmental Polytron Technologies Inc Address before: 100085 room B, block B509, Jiahua building, No. 9, 3rd Street, Beijing, Haidian District Patentee before: Beijing Rechsand Ecological Environment Protection Science and Technology Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder |
Address after: 246600, No. 1, general road, Yuexi Economic Development Zone, Anqing, Anhui Patentee after: Renchuang ecological environmental protection Polytron Technologies Inc Address before: 246600, No. 1, general road, Yuexi Economic Development Zone, Anqing, Anhui Patentee before: Anhui Renchuang ecological environmental Polytron Technologies Inc |