CN108797493A - A kind of Treatment process of construction site airborne dust - Google Patents
A kind of Treatment process of construction site airborne dust Download PDFInfo
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- CN108797493A CN108797493A CN201810939757.5A CN201810939757A CN108797493A CN 108797493 A CN108797493 A CN 108797493A CN 201810939757 A CN201810939757 A CN 201810939757A CN 108797493 A CN108797493 A CN 108797493A
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- dust
- water
- dust suppressant
- construction site
- soluble polymer
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H3/00—Applying liquids to roads or like surfaces, e.g. for dust control; Stationary flushing devices
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The present invention is a kind of Treatment process of construction site airborne dust, including is monitored in real time, water-soluble polymer dust suppressant and spraying operation.Using the ambient air quality data and meteorologic parameter monitored in real time as foundation, water-soluble polymer dust suppressant is selected according to dirt source, formulates and implement the spraying operation scheme of dust suppressant.Water-soluble polymer dust suppressant does not have corrosivity and secondary pollution, and safety is good, and suspended particulate substance is consolidated by way of soaking, crusting.Under 0.5-1.5 kilograms/square meter dosage, it can be used for controlling soil dirt, cement dust, thin wood powder, dregs and the backfill airborne dust in construction site.
Description
Technical field
The present invention relates to the Treatment process field of construction site airborne dust, especially a kind of the intensive of construction site airborne dust is controlled
Reason technology, it includes real-time monitoring, water-soluble polymer dust suppressant and spraying operation.
Background technology
It becomes increasingly conspicuous as city size continues to increase, develops constantly quickening, the air quality problems in construction site, sandstone
Ash material handling, geotechnological excavation, the process airborne dust and exposed ground that vehicle is scattered, dregs and stockyard wind erosion dust, not only dislike
Change the air quality of construction site, and endangers surrounding enviroment.Currently, the governance approach of construction site airborne dust is monitoring and waterpower
Depositing dust is combined.CN106284176 discloses a kind of automatic spray airborne dust system and its installation method, and system real time monitoring is applied
Work dust from construction sites concentration starts water injector by sensor and carries out dust controlling.CN105771487 discloses automatic dustproof and removes
Haze system, microcontroller are connect with airborne dust granularity Detection instrument, human-computer interactive control platform respectively, by artificial remote control or certainly
Dynamic control human-computer interactive control platform；When airborne dust concentration is more than certain limit, which quickly controls construction area
Airborne dust.CN106168018 discloses a kind of monitoring of construction site airborne dust and processing system, particle monitoring instrument, laser radar, wind
Fast sensor is connect with control mainboard, and the data monitored in real time are connected by communication module with vehicle-mounted dust falling device, with high pressure mist
Big gun and giant carry out sprinkling water process to the dust of airborne dust and ground in air.CN107153035 discloses one kind
Airborne dust monitors administering method and system on-line, and ZigBee (or other numbers pass), which sends terminal and receives terminal, to be separately mounted to monitor
System and governing system are more than that the particle concentration threshold value of setting monitors the main controller triggering signaling of system, governing system later
Spray, fog gun etc. are opened immediately carries out water spray dust.Obviously, these methods ignore environment temperature, relative air humidity and
Influence and requirement of the surrounding enviroment to improvement construction site airborne dust.
Waterpower dust suppression technology is simple and practicable, and tiny dried dust relative density increases, and is difficult to fly upward under external force,
But the binding force between airborne dust and moisture is very weak, and moisture evaporation is fast, it is necessary to which high frequency time watering ability dust suppression, water resource consumption is very
Greatly.The main function of watering dust suppression is wet granulate.This method is although simple and easy to do, but due to dust suppressant can significantly improve it is outstanding
The wetting of floating particles object, capture ability, anti-dust effect significantly improve.CN105295844 discloses a kind of solid native dust suppressant of cleaning
And preparation method thereof, including components such as pure-acrylic emulsion, sodium metasilicate, glycerine and water, anti-evaporating is strong, good penetrability, but the third three
There are VOC threats for alcohol.
A kind of intensive technology of construction site airborne dust of invention.Monitoring in real time, water-soluble polymer suppression
Dust agent and spraying operation scheme are combined, and dust suppressant is selected according to the ambient air quality monitored in real time and meteorological Rational Parameters,
It formulates spraying operation scheme and realizes construction site dust suppression accordingly.With intensive technology governance construction site airborne dust, technical basis
Fully, with strong points, dust suppressant is efficient to the wetting of airborne dust particulate matter, coalescence, bonding, and dust suppression remarkable benefit improves.
Invention content
The purpose of the present invention is to provide a kind of Treatment process of construction site airborne dust.The technology includes real-time monitoring, water
Soluble polymer dust suppressant and spraying operation three parts：The present invention is using real time monitoring acquisition ambient air quality and meteorology
Parameter selects water-soluble polymer dust suppressant using the data monitored in real time as foundation in conjunction with dirt source property, surrounding enviroment factor,
Rational dust suppressant spraying operation scheme is formulated and implemented, the effect and efficiency of construction site dust suppression are improved.
The technical solution adopted by the present invention is：
A kind of Treatment process of construction site airborne dust, including monitor in real time, water-soluble polymer dust suppressant and spraying operation,
Using the ambient air quality and meteorologic parameter monitored in real time as foundation, water-soluble polymer dust suppressant is selected according to dirt source, is formulated
And implement the spraying operation scheme of dust suppressant.
The real-time monitoring is Internet of Things, portable aerosol monitor, portable particle counter and portable gas
As one or more in stand the construction site Air pollutant concentration provided, meteorologic parameter；The surrounding air is dirty
It includes PM2.5 and PM10 concentration to contaminate object concentration；The meteorologic parameter is air themperature, humidity, wind scale, wind direction, air
It is one or more in pressure.
The dirt source is soil dirt, cement dust, thin wood powder, dregs and the one kind or more in backfill in construction site
Kind.
The water-soluble polymer dust suppressant is water-soluble oleic series polymer at room temperature, colourless or pale yellow
Color, safety reach《Limits of harmful substances in 18582 indoor decorating and refurnishing materials interior wall coatings of GB/T》It is required that preferential selection
The water-soluble polymer dust suppressant of CN104693339 technologies production.
The spraying operation scheme is a variety of in dust suppressant dosage, spray appliance, spraying altitude, spray angle.
The dust suppressant dosage, preferably 0.5-1.5 kilograms/square meter.
The beneficial effects of the invention are as follows：
(1) the intensive technology of construction site airborne dust of the invention, will monitor, water-soluble polymer dust suppressant in real time
It is combined with spraying operation scheme, it is crucial that monitoring in real time, which is according to, dust suppressant, spraying operation scheme is to ensure.
(2) internet, Air pollutant and the meteorological parametric joint monitoring technology that the present invention uses, broad covered area,
Emphasis is distinct, Internet of Things real time monitoring, and data can share online, remote transmission, and data class is more, air quality information
It is comprehensive with weather information, provide strong foundation for dust suppressant spraying operation scheme.
(3) Air pollutant measuring technique of the invention, meteorologic parameter measuring technique are for Monitoring Focus region, spy
Different airborne dust point, is the important supplement of technology of Internet of things.
(4) the water-soluble polymer dust suppressant that the present invention uses is safe, and secondary pollution is not present, non-corrosive, tool
There are reliable environmental safety, working security.
(5) the water-soluble polymer dust suppressant that the present invention uses there is good wetting, absorption to make construction site dust
With anti-dust effect is more than waterpower dust suppression.
(6) operation scheme of the invention does not depend on merely particle concentration, and specific aim is higher than mode sensor, thorn
Swash-response modes, dust suppression is efficient.
Specific implementation mode
It is further illustrated the present invention with reference to embodiment：
Embodiment one
The non-paved road dust suppression in construction site, in spring, weather is fine, Internet of Things monitoring temperature, humidity, wind scale and
On the basis of wind direction, PM2.5 and PM10 real-time concentrations are monitored with Met-One BT645 type dust instruments.Road surface based on power airborne dust,
Preferable wetting effect and anti-rolling ability are needed, it is 300,000 to select middle-molecular-weihydroxyethyl dust suppressant, average molecular weight thus, solid content
20%, glass transition temperature is -3 DEG C.By sprinkling truck down wind spraying operation after 20 times of tap water dilutions, the fountain height per square meter
It is 0.8 kilogram.
It is front and back with BT645 type dust instruments monitoring road surface airborne dust concentration, Internet of Things tracking and monitoring air quality to spray dust suppressant
Change with meteorology.Compare particle concentration C of the sprinkling dust suppressant after 72 hours and the concentration C before sprinkling0To get dust suppression rate
η：
In formula, C0For the particle concentration before sprinkling dust suppressant, C is the concentration after spraying 72 hours, and unit is μ
g/m3。
Embodiment two
The backfill stockyard dust suppression in construction site, in winter, weather is fine, Internet of Things monitoring temperature, humidity, wind scale and
On the basis of wind direction, PM2.5 and PM10 real-time concentrations are monitored with 8530 type dust instruments of TSI.Stockyard is needed based on wind-force airborne dust
Preferable adhesive effect and waterproof ability, it is 600,000 to select high molecular weight dust suppressant, average molecular weight thus, can under natural conditions
Solidification, solid content 10%, glass transition temperature are -10 DEG C.Dust suppressant is sprayed by high-pressure spray gun after 20 times of tap water dilutions, is often put down
The fountain height of rice is 1.2 kilograms.
Method of evaluating performance is as in the first embodiment, difference is：Monitoring device substitutes BT645 with 8530 type dust instruments of TSI
Type dust instrument.
Embodiment three
The interior construction process dust suppression that building body construction is completed, dismounting portion of midfoot hand cradle are cleared up in building unit
Rubbish, summer, weather is fine, on the basis of Internet of Things monitoring temperature, humidity, wind scale and wind direction, with 8530 type dust of TSI
Instrument monitors PM2.5 and PM10 real-time concentrations.Dust suppression region needs preferable wetting effect and adsorption energy based on power airborne dust
Power, it is 10,000 to select low molecular weight dust suppressant, average molecular weight thus, and solid content 30%, glass transition temperature is 10 DEG C.50 times certainly
Building unit ground is sprayed by common sprayer after water dilution, the fountain height per square meter is 0.5 kilogram, sprays and fills with tower crane
The door and window for setting the veil to be formed masking building unit, prevents airborne dust excessive.
Method of evaluating performance is as in the first embodiment, difference is：Monitoring device substitutes BT645 with 8530 type dust instruments of TSI
Type dust instrument.
Intensive effect of the subordinate list present invention to construction site airborne dust
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
The specific implementation mode of the present invention is only limitted to this, for those of ordinary skill in the art to which the present invention belongs, is not taking off
Under the premise of from present inventive concept, several simple deduction or replace can also be made, all shall be regarded as belonging to the present invention by institute
Claims of submission determine scope of patent protection.
Unaccomplished matter of the present invention is known technology.
Claims (4)
1. a kind of Treatment process of construction site airborne dust, including monitor in real time, water-soluble polymer dust suppressant and spraying operation, with
The ambient air quality and meteorologic parameter monitored in real time is foundation, selects water-soluble polymer dust suppressant according to dirt source, formulates simultaneously
Implement the spraying operation scheme of dust suppressant；
The real-time monitoring is Internet of Things, portable aerosol monitor, portable particle counter and portable weather station
It is one or more in the construction site Air pollutant concentration of offer, meteorologic parameter；The Air pollutant
Concentration includes PM2.5 and PM10 concentration；The meteorologic parameter is in air themperature, humidity, wind scale, wind direction, atmospheric pressure
It is one or more；
The dirt source is one or more in soil dirt, cement dust, thin wood powder, dregs and the backfill in construction site.
2. water-soluble polymer dust suppressant as described in claim 1 is water-soluble oleic series polymer at room temperature,
Colourless or light yellow, safety reaches《Limits of harmful substances in 18582 indoor decorating and refurnishing materials interior wall coatings of GB/T》It wants
It asks, the preferential water-soluble polymer dust suppressant for selecting the production of CN104693339 technologies.
3. the spraying operation scheme as described in claim 1 is dust suppressant dosage, spray appliance, spraying altitude, sprinkling
It is a variety of in angle.
4. dust suppressant dosage as claimed in claim 3, preferably 0.5-1.5 kilograms/square meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810939757.5A CN108797493A (en) | 2018-08-17 | 2018-08-17 | A kind of Treatment process of construction site airborne dust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810939757.5A CN108797493A (en) | 2018-08-17 | 2018-08-17 | A kind of Treatment process of construction site airborne dust |
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| Publication Number | Publication Date |
|---|---|
| CN108797493A true CN108797493A (en) | 2018-11-13 |
Family
ID=64080306
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810939757.5A Pending CN108797493A (en) | 2018-08-17 | 2018-08-17 | A kind of Treatment process of construction site airborne dust |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112012150A (en) * | 2020-08-07 | 2020-12-01 | 北京科技大学 | Pressure self-balancing self-adaptive dust suppression system for deep-concave open-pit transportation road |
| CN114598728A (en) * | 2022-03-01 | 2022-06-07 | 南京精筑智慧科技有限公司 | Building rubbish supervision system based on Internet of things and application method thereof |
| CN115094815A (en) * | 2022-06-21 | 2022-09-23 | 中科三清科技有限公司 | Sprinkling operation control method and device, electronic equipment and storage medium |
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| CN101927252A (en) * | 2009-06-22 | 2010-12-29 | 上海佳维特机械设备有限公司 | Dust suppression method by liquid film |
| CN102641636A (en) * | 2012-05-08 | 2012-08-22 | 广东风华环保设备有限公司 | High-rise water spray dust-setting device for controlling PM2.5 air quality from exceeding standard |
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| CN104699016A (en) * | 2013-12-06 | 2015-06-10 | 大连灵动科技发展有限公司 | Environment monitoring management system based on Internet of things |
| CN106166425A (en) * | 2016-08-15 | 2016-11-30 | 天津市杜赛科技发展有限公司 | Airborne dust real time processing system of observation |
| CN107300903A (en) * | 2017-08-14 | 2017-10-27 | 中交第三航务工程勘察设计院有限公司 | A kind of dust-proof dust suppression system of the automation of Coal Yard |
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2018
- 2018-08-17 CN CN201810939757.5A patent/CN108797493A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101927252A (en) * | 2009-06-22 | 2010-12-29 | 上海佳维特机械设备有限公司 | Dust suppression method by liquid film |
| CN102641636A (en) * | 2012-05-08 | 2012-08-22 | 广东风华环保设备有限公司 | High-rise water spray dust-setting device for controlling PM2.5 air quality from exceeding standard |
| CN104699016A (en) * | 2013-12-06 | 2015-06-10 | 大连灵动科技发展有限公司 | Environment monitoring management system based on Internet of things |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112012150A (en) * | 2020-08-07 | 2020-12-01 | 北京科技大学 | Pressure self-balancing self-adaptive dust suppression system for deep-concave open-pit transportation road |
| CN114598728A (en) * | 2022-03-01 | 2022-06-07 | 南京精筑智慧科技有限公司 | Building rubbish supervision system based on Internet of things and application method thereof |
| CN114598728B (en) * | 2022-03-01 | 2023-05-30 | 南京精筑智慧科技有限公司 | Building rubbish supervision system based on Internet of things and application method thereof |
| CN115094815A (en) * | 2022-06-21 | 2022-09-23 | 中科三清科技有限公司 | Sprinkling operation control method and device, electronic equipment and storage medium |
| CN115094815B (en) * | 2022-06-21 | 2024-05-03 | 中科三清科技有限公司 | Watering operation control method and device, electronic equipment and storage medium |
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Application publication date: 20181113 |
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