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CN107185407A - A kind of tail gas degradation-type thin overlay - Google Patents

A kind of tail gas degradation-type thin overlay Download PDF

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Publication number
CN107185407A
CN107185407A CN201710601884.XA CN201710601884A CN107185407A CN 107185407 A CN107185407 A CN 107185407A CN 201710601884 A CN201710601884 A CN 201710601884A CN 107185407 A CN107185407 A CN 107185407A
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CN
China
Prior art keywords
silica gel
epoxy resin
tail gas
ceramic particle
thin overlay
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710601884.XA
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Chinese (zh)
Inventor
曹健
于迪尔
凌晨
陈刚
朱振宇
刘昌财
张伟
季路
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Zhongke New Material Technology Development Co ltd
Original Assignee
JIANGSU YEARING ADVANCED METERIALS TECHNOLOGY Co Ltd
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Filing date
Publication date
Application filed by JIANGSU YEARING ADVANCED METERIALS TECHNOLOGY Co Ltd filed Critical JIANGSU YEARING ADVANCED METERIALS TECHNOLOGY Co Ltd
Priority to CN201710601884.XA priority Critical patent/CN107185407A/en
Publication of CN107185407A publication Critical patent/CN107185407A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9404—Removing only nitrogen compounds
    • B01D53/9409—Nitrogen oxides
    • B01D53/9413—Processes characterised by a specific catalyst
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9404—Removing only nitrogen compounds
    • B01D53/9409—Nitrogen oxides
    • B01D53/9431—Processes characterised by a specific device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B11/00—Layered products comprising a layer of bituminous or tarry substances
    • B32B11/12—Layered products comprising a layer of bituminous or tarry substances next to a particulate layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
    • B32B13/14—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B18/00—Layered products essentially comprising ceramics, e.g. refractory products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/14—Layered products comprising a layer of synthetic resin next to a particulate layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/38—Layered products comprising a layer of synthetic resin comprising epoxy resins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/002—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising natural stone or artificial stone
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B9/045—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B9/048—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material made of particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20707—Titanium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/70—Non-metallic catalysts, additives or dopants
    • B01D2255/702—Carbon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/40—Nitrogen compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/40—Nitrogen compounds
    • B01D2257/404—Nitrogen oxides other than dinitrogen oxide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/50—Carbon oxides
    • B01D2257/502—Carbon monoxide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
    • B01D2257/702—Hydrocarbons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/04—Coating on the layer surface on a particulate layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/105—Ceramic fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/10—Inorganic particles
    • B32B2264/107—Ceramic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/552—Fatigue strength
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/758—Odour absorbent

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Structural Engineering (AREA)
  • Road Paving Structures (AREA)
  • Catalysts (AREA)

Abstract

The invention discloses a kind of tail gas degradation-type thin overlay, for layered composite structure, include composite seal coat from top to bottom, nano-photocatalytic film layer and reinforcing fiber layer, wherein composite seal coat is silica gel asphalt mixtures modified by epoxy resin fat crushed stones layer, the nano-photocatalytic film layer is coated with the ceramic particle layer of titanium dioxide/graphene composite photocatalyst or nano titanium oxide for surface, the silica gel asphalt mixtures modified by epoxy resin fat crushed stones layer includes silica gel, epoxy resin and rubble, wherein, the silica gel is thick silica gel, the epoxy resin is weatherability ERG epoxy resin, the coverage rate of the rubble is 50% ~ 75%.The reinforcing fiber layer includes SMA pitches and ceramic fibre, the present invention provides a kind of tail gas degradation-type thin overlay, absorptivity of the cover to tail gas is improved by the silica gel in thin overlay sealing, sealing improves the weatherability and crack resistance of cover using epoxy resin simultaneously, the ceramic particle for being coated with photochemical catalyst adds the active area of photochemical catalyst, improve photocatalysis efficiency, and ceramic particle and reinforcing fiber layer effectively increase the intensity of thin overlay, it is ensured that the lasting maintenance of road pavement.

Description

A kind of tail gas degradation-type thin overlay
Technical field
The present invention relates to a kind of tail gas degradation-type thin overlay, belong to pavement structure field.
Background technology
With the increase of car ownership, destruction master as world today environmental pollution of the vehicle exhaust to atmospheric environment Want problem.In the method and measure of numerous improvement and degraded vehicle exhaust, technology of catalytic oxidization degradation is safe, smooth with it Pin, it is renewable many advantages, such as gradually cause the attention of people, and its unique advantage and feature also make it dirty in motor vehicle emission More and more important effect is played in terms of the ecological environment degraded for contaminating thing.Many experts and scholar are photocatalytic degradation at present Technology as degraded air in tail gas a kind of new way.Contact first is road surface after being excluded due to vehicle exhaust, if can be by Photocatalyst purifies the pollutant in vehicle exhaust in road surface using sunlight, then can turn into a kind of efficient preventing and treating tail gas The method of pollution.
Photocatalyst is a kind of application technology that catalytic degradation reaction is carried out using photocatalyst.Usually said light Catalyst is the general name of photosemiconductor material with photo-catalysis function of the class by representative of titanium dioxide.Photochemical catalyst is being inhaled Receive light ray energy after, the carbon monoxide, oxynitrides and hydrocarbon for being adsorbed in surface can be converted into carbon dioxide and Nitrate, so as to realize the degraded to automobile exhaust pollution thing.
Silica gel is a kind of high activity, reproducible solid absorbent, with high microcellular structure.Its particle is hard, in neutrality, With higher heat endurance and relatively stable chemical inertness.There is very strong absorption property to liquid and gas medium.
The content of the invention
Purpose：In order to improve the degradation efficiency of vehicle exhaust, the present invention on original road bed by laying one layer Thin overlay, so that tail gas can realize degraded, so as to add the practicality on road surface, improve when contacting road surface Air quality.
Technical scheme is as follows：
A kind of tail gas degradation-type thin overlay, is layered composite structure, from top to bottom including composite seal coat, nano-photocatalytic film Layer and reinforcing fiber layer, wherein composite seal coat are silica gel-epoxy resin metalling.
Preferably, nano-photocatalytic film layer for surface be coated with titanium dioxide/graphene composite photocatalyst or The ceramic particle layer of person's nano titanium oxide.
Preferably, the level that the ceramic particle layer includes 3 granularity level matches somebody with somebody ceramic particle and cement mortar, by quality hundred Point than meter, 8 ~ 5mm ceramic particle account for 20% ~ 40%, 5 ~ 3mm ceramic particle account for 15% ~ 35%, 3 ~ 1mm ceramic particle account for 5% ~ 15% and cement mortar account for 35% ~ 60%.
Preferably, the silica gel-epoxy resin metalling includes silica gel, epoxy resin and rubble, wherein, the silica gel is Thick silica gel, the epoxy resin is weatherability ERG epoxy resin, wherein, the coverage rate of the rubble is 50% ~ 75%, the silicon The consumption of glue is 0.6 ~ 1.2kg/m2, the consumption of the epoxy resin is 1.6 ~ 2.4 kg/m2。
Preferably, the reinforcing fiber layer includes SMA pitches and ceramic fibre, wherein, the length of the ceramic fibre is 4 ~5cm。
Preferably, the emulsified asphalt：The mass ratio of ceramic fibre is 9:2~11:1.
Preferably, the 20 ~ 30mm of composite seal coat, nano-photocatalytic film 8 ~ 15mm of layer and 20 ~ 40mm of reinforcing fiber layer.
Beneficial effect：The present invention provides a kind of tail gas degradation-type thin overlay, is carried by the silica gel in thin overlay sealing High absorptivity of the cover to tail gas, while sealing improves the weatherability and crack resistance of cover using epoxy resin, is coated with The ceramic particle of photochemical catalyst adds the active area of photochemical catalyst, improves photocatalysis efficiency, and ceramic particle and increasing Strong fibrous layer effectively increases the intensity of thin overlay, it is ensured that the lasting maintenance of road pavement.
Brief description of the drawings
Fig. 1 is layer structure figure of the invention；
In figure：The original road surfaces of 1-, 2 reinforcing fibers layer, 3 nano-photocatalytic films layer, 4 composite seal coats.
Embodiment
In order that those skilled in the art more fully understand the technical scheme in the application, in the embodiment of the present application Technical scheme is clearly and completely described, it is clear that described embodiment is only some embodiments of the present application, without It is whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not before creative work is made The every other embodiment obtained is put, should all belong to the scope of the application protection.
A kind of tail gas degradation-type thin overlay, is layered composite structure, from top to bottom including composite seal coat, nano-photo catalytic Film layer and reinforcing fiber layer, wherein composite seal coat are silica gel-epoxy resin metalling.
Preferably, nano-photocatalytic film layer for surface be coated with titanium dioxide/graphene composite photocatalyst or The ceramic particle layer of person's nano titanium oxide.
Preferably, the level that the ceramic particle layer includes 3 granularity level matches somebody with somebody ceramic particle and cement mortar, by quality hundred Point than meter, the ceramic particle that 8 ~ 5mm ceramic particle accounts for 20% ~ 40%, 5 ~ 3mm accounts for 15% ~ 35%, 3 ~ 1mm ceramic particle and accounts for 5% ~ 15% and cement mortar account for 35% ~ 60%.
Preferably, the silica gel-epoxy resin metalling includes silica gel, epoxy resin and rubble, wherein, the silica gel is Thick silica gel, the epoxy resin is weatherability ERG epoxy resin, wherein, the coverage rate of the rubble is 50% ~ 75%, the silicon The consumption of glue is 0.6 ~ 1.2kg/m2, the consumption of the epoxy resin is 1.6 ~ 2.4 kg/m2。
Preferably, the reinforcing fiber layer includes SMA pitches and ceramic fibre, wherein, the length of the ceramic fibre is 4 ~5cm。
Preferably, the emulsified asphalt：The mass ratio of ceramic fibre is 9:2~11:1.
Preferably, the 20 ~ 30mm of composite seal coat, nano-photocatalytic film 8 ~ 15mm of layer and 20 ~ 40mm of reinforcing fiber layer.
The tail gas degradation-type thin overlay that the present invention is provided can be realized using following technical scheme：
1st, former cement pavement is pre-processed first, it is ensured that cement pavement has certain structural strength, flatness preferably, is tied Structure is damaged, cracking degree is slight, carries solid, stably, uniformly；
2nd, reinforcing fiber layer on former cement pavement after the pre-treatment, its laying depth is 20 ~ 40mm, notes controlling after compacting Leveling layer thickness, bottom road table designed elevation must be reached after compacting；
3rd, lay reinforcing fiber layer upper surface laying surface be coated with titanium dioxide/graphene composite photocatalyst or The ceramic particle of person's nano titanium oxide, its laying depth is 8 ~ 15mm；
4th, the silica gel-epoxy resin metalling for then having mixed at scene in proportion is laid on ceramic particle layer top, its Laying depth is 20 ~ 30mm, and the coverage rate of its medium stone is 50% ~ 75%；
5th, after having laid, the open to traffic time is grasped according to site operation weather and moisture evaporation situation.After traffic bound, tail gas Thickness after degradation-type thin overlay final molding is 48 ~ 85mm.
Embodiment 1
Finished product 1：Composite seal coat is silica gel-epoxy resin metalling, by mass, including thick silica gel, weatherability ERG asphalt mixtures modified by epoxy resin Fat and rubble, wherein gravel mulch rate are 50%, and the consumption of silica gel is 0.6kg/m2, the consumption of epoxy resin is 1.6kg/m2, its Laying depth is 20mm；Nano-photocatalytic film layer is coated with the ceramics of titanium dioxide/graphene composite photocatalyst for surface Stratum granulosum, wherein the ceramic particle that 8 ~ 5mm ceramic particle accounts for 20%, 5 ~ 3mm accounts for 15%, 3 ~ 1mm ceramic particle and accounts for 5% and water Cement mortar accounts for 60%, and its laying depth is 8mm；Reinforcing fiber layer includes SMA pitches and ceramic fibre（Mass ratio is 9:2）, it is described The length of ceramic fibre is 4cm, and its laying depth is 20mm.Measured through the tail gas degradation experiment under the same terms, when degraded Between when reaching a hour, the NO of system2Concentration is reduced to 8.17ppm, and the degradation rate of system reaches 61%, when degradation time reaches During by 2 hours, system obtains NO2Concentration is reduced to below 2ppm, and degradation rate is 92%, the NO of system2Substantially it is degraded completely.
Embodiment 2
Finished product 2：Composite seal coat is silica gel-epoxy resin metalling, by mass, including thick silica gel, weatherability ERG asphalt mixtures modified by epoxy resin Fat and rubble, wherein gravel mulch rate are 60%, and the consumption of silica gel is 1.0kg/m2, the consumption of epoxy resin is 2.0 kg/m2, its Laying depth is 25mm；Nano-photocatalytic film layer is coated with the ceramics of titanium dioxide/graphene composite photocatalyst for surface Stratum granulosum, wherein, the ceramic particle that 8 ~ 5mm ceramic particle accounts for 30%, 5 ~ 3mm accounts for 20%, 3 ~ 1mm ceramic particle and accounts for 5% and water Cement mortar accounts for 45%, and its laying depth is 12mm；Reinforcing fiber layer includes SMA pitches and ceramic fibre（Mass ratio is 5：1）, institute The length for stating ceramic fibre is 5cm, and its laying depth is 30mm.Measured through the tail gas degradation experiment under the same terms, work as degraded When time reaches a hour, the NO of system2Concentration is reduced to 3.23ppm, and the degradation rate of system reaches 82%, works as degradation time When reaching 2 hours, system obtains NO2Concentration is reduced to below 0.5ppm, and degradation rate is 99.2%, the NO of system2Substantially it has been degraded Entirely.
Embodiment 3
Finished product 3：Composite seal coat is silica gel-epoxy resin metalling, by mass, including thick silica gel, weatherability ERG asphalt mixtures modified by epoxy resin Fat and rubble, wherein gravel mulch rate are 75%, and the consumption of silica gel is 1.2kg/m2, the consumption of epoxy resin is 2.4 kg/m2, its Laying depth is 30mm；Nano-photocatalytic film layer is coated with the ceramics of titanium dioxide/graphene composite photocatalyst for surface Stratum granulosum, wherein, the ceramic particle that 8 ~ 5mm ceramic particle accounts for 40%, 5 ~ 3mm accounts for 15%, 3 ~ 1mm ceramic particle and accounts for 10% He Cement mortar accounts for 35%, and its laying depth is 15mm；Reinforcing fiber layer includes SMA pitches and ceramic fibre（Mass ratio is 11:1）, The length of the ceramic fibre is 5cm, and its laying depth is 40mm.Measured through the tail gas degradation experiment under the same terms, work as drop When the solution time reaches a hour, the NO of system2Concentration is reduced to 6.53ppm, and the degradation rate of system reaches 72%, when degraded Between when reaching 2 hours, system obtains NO2Concentration is reduced to below 1ppm, and degradation rate is 95%, the NO of system2Substantially it is degraded completely.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention. A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one The most wide scope caused.

Claims (7)

1. a kind of tail gas degradation-type thin overlay, it is characterised in that：For layered composite structure, from top to bottom including composite seal coat, Nano-photocatalytic film layer and reinforcing fiber layer, wherein composite seal coat are silica gel-epoxy resin metalling.
2. a kind of tail gas degradation-type thin overlay according to claim 1, it is characterised in that the nano-photocatalytic film Layer is coated with the ceramic particle layer of titanium dioxide/graphene composite photocatalyst or nano titanium oxide for surface.
3. a kind of tail gas degradation-type thin overlay according to claim 1, it is characterised in that the ceramic particle layer includes The level of 3 granularity level matches somebody with somebody ceramic particle and cement mortar, by mass percentage, 8 ~ 5mm ceramic particle accounts for 20% ~ 40%, 5 ~ 3mm ceramic particle account for 15% ~ 35%, 3 ~ 1mm ceramic particle account for 5% ~ 15% and cement mortar account for 35% ~ 60%.
4. a kind of tail gas degradation-type thin overlay according to claim 1, it is characterised in that the silica gel-epoxy resin Metalling includes silica gel, epoxy resin and rubble, wherein, the silica gel is thick silica gel, and the epoxy resin is weatherability ERG rings Oxygen tree fat, wherein, the coverage rate of the rubble is 50% ~ 75%, and the consumption of the silica gel is 0.6 ~ 1.2kg/m2, the asphalt mixtures modified by epoxy resin The consumption of fat is 1.6 ~ 2.4 kg/m2。
5. a kind of tail gas degradation-type thin overlay according to claim 1, it is characterised in that the reinforcing fiber layer includes SMA pitches and ceramic fibre, wherein, the length of the ceramic fibre is 4 ~ 5cm.
6. a kind of tail gas degradation-type thin overlay according to claim 5, it is characterised in that the emulsified asphalt：Ceramics The mass ratio of fiber is 9:2~11:1.
7. a kind of tail gas degradation-type thin overlay according to claim 1 ~ 6, it is characterised in that the composite seal coat 20 ~ 30mm, nano-photocatalytic film 8 ~ 15mm of layer and 20 ~ 40mm of reinforcing fiber layer.
CN201710601884.XA 2017-07-21 2017-07-21 A kind of tail gas degradation-type thin overlay Pending CN107185407A (en)

Priority Applications (1)

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CN108611944A (en) * 2018-05-10 2018-10-02 河海大学 A kind of Multifunctional permeable water-bound road surface
CN108729332A (en) * 2018-05-18 2018-11-02 广东金长成桥梁隧道科技有限公司 New spray-up and its construction technology are protected in a kind of very thin maintenance of novel nano
CN109369069A (en) * 2018-10-19 2019-02-22 广东工业大学 A kind of winter pavement thermal insulation protective cover and preparation method thereof
CN110041012A (en) * 2019-04-08 2019-07-23 长沙理工大学 A kind of high performance asphalt pavement material and preparation method thereof with degradation vehicle exhaust function
CN116693234A (en) * 2023-06-20 2023-09-05 中铁三局集团第五工程有限公司 A kind of drainage type asphalt pavement mixture and preparation method thereof

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CN108611944A (en) * 2018-05-10 2018-10-02 河海大学 A kind of Multifunctional permeable water-bound road surface
CN108729332A (en) * 2018-05-18 2018-11-02 广东金长成桥梁隧道科技有限公司 New spray-up and its construction technology are protected in a kind of very thin maintenance of novel nano
CN108729332B (en) * 2018-05-18 2024-04-23 广东金长成桥梁隧道科技有限公司 Novel nanometer ultrathin maintenance and fresh-keeping spray layer and construction process thereof
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CN109369069A (en) * 2018-10-19 2019-02-22 广东工业大学 A kind of winter pavement thermal insulation protective cover and preparation method thereof
CN110041012A (en) * 2019-04-08 2019-07-23 长沙理工大学 A kind of high performance asphalt pavement material and preparation method thereof with degradation vehicle exhaust function
CN110041012B (en) * 2019-04-08 2021-05-04 长沙理工大学 A high-performance asphalt pavement material with the function of degrading automobile exhaust and its preparation method
CN116693234A (en) * 2023-06-20 2023-09-05 中铁三局集团第五工程有限公司 A kind of drainage type asphalt pavement mixture and preparation method thereof

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