CN110468649A - A kind of photocatalysis porous road surface activity recovering device and restoration methods - Google Patents
A kind of photocatalysis porous road surface activity recovering device and restoration methods Download PDFInfo
- Publication number
- CN110468649A CN110468649A CN201910723539.2A CN201910723539A CN110468649A CN 110468649 A CN110468649 A CN 110468649A CN 201910723539 A CN201910723539 A CN 201910723539A CN 110468649 A CN110468649 A CN 110468649A
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- road surface
- lye
- photocatalysis
- pressure
- water
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
- E01C11/224—Surface drainage of streets
- E01C11/225—Paving specially adapted for through-the-surfacing drainage, e.g. perforated, porous; Preformed paving elements comprising, or adapted to form, passageways for carrying off drainage
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C9/00—Special pavings; Pavings for special parts of roads or airfields
Abstract
The present invention relates to a kind of photocatalysis porous road surface activity recovering device and restoration methods, belong to technical field of engineering machinery, water permeability for solving photocatalysis porous concrete reduces, photocatalysis performance is gradually degraded since the active sites of catalyst surface can be gradually occupied, it is difficult to the problem of meeting original function requirement.Its first step uses high pressure water flushing mode, removes bulky grain solid impurity, dredges hole, restores water permeability；Second step is sprayed using lye, mainly TiO in corrosion photocatalysis road surface2The inorganic sediments on surface restores photocatalytic activity, while not destroying the durability of ground surface material；Third step is rushed using low pressure water, removes soluble impurity；Final high temperature wind is washed, and TiO is removed2The organic adsorbents of surface attachment, restore photocatalytic activity.According to road surface actual conditions, parameters and speed are set, operation vehicle at the uniform velocity advances along road surface, and recovery can be obtained in photocatalysis porous road surface activity.
Description
Technical field
The present invention relates to technical field of engineering machinery, in particular to a kind of photocatalysis porous road surface activity recovering device and extensive
Compound method.
Background technique
With the rise of sponge urban construction, porous pavement material such as pervious concrete, porous pavement is widely used in
Sponge urban infrastructure construction.TiO2With stronger photocatalysis performance, can degradation of organic substances and oxynitrides, make
It is widely used for important environmentally conscious materials.By TiO2It is carried on celluar concrete or pavement brick preparation photocatalysis pavement brick
Or photocatalysis celluar concrete, the permeable effect in road surface can be reached, moreover it is possible to realize air purification function.However as using the time
Increase, the water permeability of photocatalysis porous concrete reduces, photocatalytic due to cramming plug by dust, soil or sundries etc.
It can can be gradually occupied and be gradually degraded due to the active sites of catalyst surface, it is difficult to meet original function requirement.
Therefore, a kind of activity recovering device is needed, to improve water permeability, while restoring its photocatalysis effect, solves light
It is catalyzed the unstable problem of porous pavement military service.
Summary of the invention
For photocatalysis porous concrete function degradation mechanism, the present invention provides a kind of photocatalysis porous road surface activation recovering
Device and restoration methods can improve water permeability, while restore its photocatalysis effect, and can solve photocatalysis porous road surface clothes
Use as a servant unstable problem.
In order to solve the above technical problems, technical scheme is as follows:
A kind of photocatalysis porous road surface activity recovering device, including operation vehicle, the operation vehicle includes car body and directive wheel,
A lateral edge and headstock of the car body close to the road surface advance identical direction be disposed with the first mechanism, the second mechanism and
Third mechanism, first mechanism includes water tank, and the high-pressure hydraulic pump, the low-pressure pump that are respectively communicated with the water tank, described
High-pressure hydraulic pump, low-pressure pump respectively with the high-pressure water nozzle of the car body bottom end, low pressure sprinkler head are set connect by water pipe；
Second mechanism includes lye tank and alkali liquor pipe, and the lye tank passes through alkali liquor pipe and the lye that the car body bottom end is arranged in
Spray head connection, the lye spray head are set between high-pressure water nozzle and low pressure sprinkler head；The third mechanism includes that high temperature dries
Equipment for drying, the high temperature drying unit include blower and heating wire, and the blower is by air hose and is arranged in the car body bottom end
Air outlet connection.
Compared with prior art, the beneficial technical effect of the present invention is as follows:
(1) photocatalysis porous road surface activity recovering device provided by the invention, the first step use high pressure water flushing mode, remove
Bulky grain solid impurity dredges hole, restores water permeability；Second step is sprayed using lye, mainly corrosion photocatalysis road surface
Middle TiO2The inorganic sediments on surface restores photocatalytic activity, while not destroying the durability of ground surface material；Third step is using low
Water punching is pressed, soluble impurity is removed；Final high temperature wind is washed, and TiO is removed2The organic adsorbents of surface attachment, it is living to restore photocatalysis
Property.According to road surface actual conditions, parameters and speed are set, operation vehicle at the uniform velocity advances along road surface, photocatalysis porous road
Recovery can be obtained in face activity.
(2) photocatalysis porous road surface method for activation recovering provided by the invention, easy to operate, parameter setting simple and convenient,
It can solve the problem of that photocatalysis porous road surface permeability rate decline and photocatalytic activity reduce simultaneously.Device reequips strong operability,
It can be in multi-platform upper use.In addition, for the use function of restoring photocatalysis porous road surface, and saving late maintenance cost is equal
With greater significance.
Further, in order to draw materials conveniently, cost is saved, the operation vehicle is two axis engineering flat cars.
Further, it is the sodium hydrate aqueous solution or hydrogen that concentration is 10%~20% that lye is held in the lye tank
Aoxidize one of aqueous solutions of potassium.In view of lye is to corrode TiO2The inorganic sediments on surface, because of misoperation splash
Lye easily corrode skin, skin is caused to damage, therefore, in operation as far as possible choose low concentration lye.
Further, the blower is air blower.It is blown by air blower, thicker rubbish dirt can will be distributed on road surface
Grain is blown afloat, and road sweeper is facilitated to clean.
Further, holding in the water tank is tap water.Tap water passes through high-pressure hydraulic pump or low-pressure pump respectively
High pressure water or low pressure water are converted into after pumping, to wash away to porous pavement.
The present invention also provides the restoration methods using aforementioned photocatalysis porous road surface activity recovering device, the restoration methods
Include:
Step 1: will fill with tap water in the water tank of the operation vehicle, the lye of certain volume will be held in lye tank, and
Operation garage is sailed on road surface to be restored；
Step 2: opening high-pressure hydraulic pump and high-pressure water nozzle washes away road surface, to remove big in the pervious concrete of road surface
Grain solid impurity；
Step 3: after the completion of step 2, high-pressure hydraulic pump and high-pressure water nozzle are closed, and open lye spray head, with corrosion
Dissolve the inorganic sediments on road surface pervious concrete surface；
Step 4: after the completion of step 3, lye spray head is closed, low-pressure pump and low pressure sprinkler head are opened, to remove road
The soluble impurity on face pervious concrete surface；
Step 5: opening the power switch of blower and heating wire, high temperature wind is generated, to remove on the pervious concrete of road surface
Adsorptivity organic matter.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of photocatalysis porous road surface activity recovering device in one embodiment of the invention.
In figure:
10- car body, 11- water tank, 12- high-pressure hydraulic pump, 13- low-pressure pump, 14- high-pressure water nozzle, 15- low pressure sprinkler head；
20- deflecting roller；31- lye tank, 32- lye spray head；41- blower, 42- heating wire, 43- air outlet.
Specific embodiment
Below in conjunction with the drawings and specific embodiments to photocatalysis porous road surface activity recovering device proposed by the present invention and extensive
Compound method is described in further detail.According to following explanation and claims, advantages and features of the invention will be become apparent from.It needs
Illustrate, attached drawing is all made of very simplified form and using non-accurate ratio, only to convenient, lucidly auxiliary is said
The purpose of the bright embodiment of the present invention.For sake of convenience, "upper" described below, "lower" are consistent with the upper and lower direction of attached drawing,
But this can't be the limitation of technical solution of the present invention.
It is that hole is blocked by solid impurity, while also reducing polluted gas that pervious concrete permeability rate, which declines main cause,
Circulation and diffusion in the base, are unfavorable for photocatalytic degradation.And photocatalyst activity reduces, main cause: (1) photochemical catalyst
Surface-active point is occupied, and cannot adsorb water, generates the active group with strong oxidizing property；(2) photocatalyst surface is had
Machine object or inorganic matter covering, cause polluted gas that cannot be adsorbed.Exist so restoring the active key in photocatalysis porous road surface
In dredging duct removes the deposit of photocatalyst surface.The purpose of the present invention is urge for photocatalysis celluar concrete or light
Change pavement brick functional deterioration problem, invents a kind of active (function) recovery device.
Below with reference to the structure composition of Fig. 1 photocatalysis porous road surface activity recovering device that the present invention will be described in detail proposes.
Embodiment one
Referring to FIG. 1, a kind of photocatalysis porous road surface activity recovering device, including operation vehicle, operation vehicle includes car body 10
With directive wheel 20, car body 10 is disposed with the first mechanism, second close to the identical direction of a lateral edge and headstock traveling on road surface
Mechanism and third mechanism, the first mechanism include water tank 11, and the high-pressure hydraulic pump 12, the low-pressure pump that are respectively communicated with water tank 11
13, high-pressure hydraulic pump 12, low-pressure pump 13 respectively with the high-pressure water nozzle 14 of 10 bottom end of car body is set, low pressure sprinkler head 15 passes through
Water pipe connection；Second mechanism includes lye tank 31 and alkali liquor pipe, and lye tank 31 is by alkali liquor pipe and is arranged at 10 bottom of car body side wall
The lye spray head 32 at end connects, and lye spray head 32 is set between high-pressure water nozzle 14 and low pressure sprinkler head 15；Third mechanism packet
High temperature drying unit is included, high temperature drying unit includes blower 41 and heating wire 42, and blower 41 is by air hose and is arranged in car body 10
The air outlet 43 of bottom end connects.
Specifically, for photocatalysis porous concrete function degradation mechanism, inventor develops a kind of photocatalysis porous
Road surface activity recovering device can improve water permeability and restore its photocatalysis effect, solve photocatalysis porous road surface and be on active service
Unstable problem.It is broadly divided into four steps to carry out deep clean to photocatalysis porous pavement brick.The first step uses high pressure water flushing
Mode removes bulky grain solid impurity, dredges hole, restores water permeability；Second step is sprayed using lye, mainly corrosion light
It is catalyzed TiO in road surface2The inorganic sediments on surface restores photocatalytic activity, while not destroying the durability of ground surface material；Third
Step is rushed using low pressure water, removes soluble impurity；Final high temperature wind is washed, and TiO is removed2The organic adsorbents of surface attachment, restore
Photocatalytic activity.According to road surface actual conditions, parameters and speed are set, operation vehicle at the uniform velocity advances along road surface, and light is urged
Changing porous pavement activity can be obtained recovery.
In the present embodiment, it is highly preferred that in order to draw materials conveniently, cost is saved, operation vehicle is two axis engineering flat cars.
In the present embodiment, it is highly preferred that holding lye in lye tank 31 is the sodium hydroxide that concentration is 10%~20%
One of aqueous solution or potassium hydroxide aqueous solution.In view of lye is to corrode TiO2The inorganic sediments on surface, because
The lye of misoperation splash easily corrodes skin, causes to damage to skin, therefore, chooses low concentration as far as possible in operation
Lye.
In the present embodiment, it is highly preferred that blower 41 is air blower.It is blown, can will be distributed on road surface by air blower
Thicker rubbish grit is blown afloat, and road sweeper is facilitated to clean.The cold wind that air blower generates is heated by heating wire 42, thus
The wind produced by boasting is high temperature wind.Air quantity, the temperature of the power control wind of heating wire 42 are controlled by 41 revolution of blower.Certainly, also
The other similar machine that can produce high temperature wind can be selected to realize the effect for generating high temperature wind, for specific blower 41
Category is herein with no restrictions.
In the present embodiment, it is highly preferred that holding in water tank 11 is tap water.Tap water pass through respectively high-pressure hydraulic pump or
It is converted into high pressure water or low pressure water after the pumping of person's low-pressure pump, to wash away to porous pavement.
With continued reference to FIG. 1, the present invention also provides the recoveries using aforementioned photocatalysis porous road surface activity recovering device
Method, the restoration methods include:
Step 1: will fill with tap water in the water tank 11 for operating vehicle, and the lye of certain volume will be held in lye tank 31, and
Operation garage is sailed on road surface to be restored；
Step 2: opening high-pressure hydraulic pump 12 and high-pressure water nozzle 14 washes away road surface, to remove in the pervious concrete of road surface
Bulky grain solid impurity；
Step 3: after the completion of step 2, closing high-pressure hydraulic pump 12 and high-pressure water nozzle 14, and open lye spray head 32,
With the inorganic sediments on corrosion dissolution road surface pervious concrete surface；
Step 4: after the completion of step 3, closing lye spray head 32, open low-pressure pump 13 and low pressure sprinkler head 15, with
Remove the soluble impurity on road surface pervious concrete surface；
Step 5: opening the power switch of blower 41 and heating wire 42, high temperature wind is generated, to remove road surface pervious concrete
On adsorptivity organic matter.Clean high temperature wind is to road surface, to remove adsorptivity organic matter.
Foregoing description is only the description to present pre-ferred embodiments, not to any restriction of the scope of the invention, this hair
Any change, the modification that the those of ordinary skill in bright field does according to the disclosure above content, belong to the protection of claims
Range.
Claims (6)
1. a kind of photocatalysis porous road surface activity recovering device, which is characterized in that including operating vehicle, the operation vehicle includes car body
And directive wheel, a lateral edge and headstock of the car body close to the road surface advance identical direction be disposed with the first mechanism,
Second mechanism and third mechanism, first mechanism includes water tank, and be respectively communicated with the water tank high-pressure hydraulic pump, low pressure
Water pump, the high-pressure hydraulic pump, low-pressure pump respectively with the high-pressure water nozzle of the car body bottom end is set, low pressure sprinkler head passes through
Water pipe connection；Second mechanism includes lye tank and alkali liquor pipe, and the lye tank is by alkali liquor pipe and is arranged in the car body
The lye spray head of bottom end connects, and the lye spray head is set between high-pressure water nozzle and low pressure sprinkler head；The third mechanism
Including high temperature drying unit, the high temperature drying unit includes blower and heating wire, and the blower is by air hose and is arranged in institute
State the air outlet connection of car body bottom end.
2. photocatalysis porous road surface activity recovering device according to claim 1, which is characterized in that the operation vehicle is two
Axis engineering flat car.
3. photocatalysis porous road surface activity recovering device according to claim 1, which is characterized in that contained in the lye tank
Putting lye is one of sodium hydrate aqueous solution or the potassium hydroxide aqueous solution that concentration is 10%~20%.
4. photocatalysis porous road surface activity recovering device according to claim 1, which is characterized in that the blower is air blast
Machine.
5. photocatalysis porous road surface activity recovering device according to claim 1, which is characterized in that held in the water tank
It is tap water.
6. a kind of restoration methods using described in any one of claim 1 to 55 described in any item photocatalysis porous road surface activity recovering devices,
It is characterized in that, comprising:
Step 1: tap water will be filled in the water tank of the operation vehicle, the lye of certain volume will be held in lye tank, and will behaviour
It is sailed on road surface to be restored as garage；
Step 2: opening high-pressure hydraulic pump and high-pressure water nozzle washes away road surface, solid to remove the bulky grain in the pervious concrete of road surface
Body impurity；
Step 3: after the completion of step 2, high-pressure hydraulic pump and high-pressure water nozzle are closed, and open lye spray head, with corrosion dissolution
The inorganic sediments on road surface pervious concrete surface；
Step 4: after the completion of step 3, closing lye spray head, opens low-pressure pump and low pressure sprinkler head, saturating to remove road surface
The soluble impurity on water coagulation soil surface；
Step 5: opening the power supply of blower and heating wire, generates high temperature wind, has to remove the adsorptivity on the pervious concrete of road surface
Machine object.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910723539.2A CN110468649B (en) | 2019-08-07 | 2019-08-07 | Photocatalytic permeable pavement activity recovery device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910723539.2A CN110468649B (en) | 2019-08-07 | 2019-08-07 | Photocatalytic permeable pavement activity recovery device and method |
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| CN110468649A true CN110468649A (en) | 2019-11-19 |
| CN110468649B CN110468649B (en) | 2021-08-31 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1134977A (en) * | 1996-01-18 | 1996-11-06 | 华南理工大学 | Method for prepn. of high efficiency detergent for cleaning runway in air-port, and method for cleaning |
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| CN202530353U (en) * | 2012-04-27 | 2012-11-14 | 南京标美彩石建材有限公司 | Pervious concrete road surface structure with air purifying function |
| CN106894376A (en) * | 2015-12-21 | 2017-06-27 | 重庆乾富科技有限公司 | A kind of highway pavement maintenance clean car |
| CN107601979A (en) * | 2017-09-04 | 2018-01-19 | 南京林业大学 | Half-flexible pavement design of material method with degraded vehicle exhaust function |
| CN109183545A (en) * | 2018-09-28 | 2019-01-11 | 大连美宸特环保节能产品有限公司 | A kind of pavement construction method |
-
2019
- 2019-08-07 CN CN201910723539.2A patent/CN110468649B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1134977A (en) * | 1996-01-18 | 1996-11-06 | 华南理工大学 | Method for prepn. of high efficiency detergent for cleaning runway in air-port, and method for cleaning |
| CN101457517A (en) * | 2008-04-28 | 2009-06-17 | 福建龙马专用车辆制造有限公司 | Pervious asphalt pavement cleaning and curing vehicle |
| CN202530353U (en) * | 2012-04-27 | 2012-11-14 | 南京标美彩石建材有限公司 | Pervious concrete road surface structure with air purifying function |
| CN106894376A (en) * | 2015-12-21 | 2017-06-27 | 重庆乾富科技有限公司 | A kind of highway pavement maintenance clean car |
| CN107601979A (en) * | 2017-09-04 | 2018-01-19 | 南京林业大学 | Half-flexible pavement design of material method with degraded vehicle exhaust function |
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