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Enterprise name: shaanxi Ryan energy technology co. LTD

Address: no. 2007, building C, xinjie community, south side, fengcheng district, xi 'an economic development zone

Zip code: 710000

Telephone: 029-68529720

Website: www.sxrany.com

E-mail: 511753823 @qq.com


Dust Suppression Agent

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Dust Suppression Agent

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  • Release date:2018/05/08
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详细介绍


Dust is one of the most important pollutants in many Chinese cities, especially in northern cities. There are many sources of dust pollution in cities, including natural dust, construction, municipal engineering, city bare land, road and industrial production. These pollution source points more difficult to unity and governance, and adverse climate and natural conditions (most in northern cities in China, the air is dry and windy), more heavy dust pollution. In recent years, the number of PM2.5 has been repeatedly extraordinary, the haze weather is lingering, China's air pollution has reached the point of non-governance.



Dust suppressant is a kind of environmental protection product, suitable for all kinds of dust pollution and dust control. The dust suppressor has three functions: consolidation, wetting and coagulation. Consolidation is the formation of a continuous shell with a certain strength and hardness to resist the damage of the wind and other external forces. Wetting is to keep the dust surface to maintain a certain humidity, the dust particle density must increase, its settlement speed will also increase. According to the literature, if the dust moisture content is greater than 4%, the dust concentration can be lower than 2 mg/m3. The effect of coagulation can be used to precipitate the fine particles of dust particles.



Contact: zang manager tel: 18766857827.





The product type





We have two kinds of dust suppressant: cover type and surface type.



Cover type: the dust inhibitor is prepared into an aqueous solution with a concentration of 1%, and the spraying quantity per square meter is 2kg. It is mainly used for coal pile, ore pile, construction site, thermal power plant and steel mill and coal train transportation. Cover type dust suppression agent spraying after the surface such as material stack, heap in material surface layer to form a layer of continuous full, strong and resilient shell membrane, make dust limited to shell, avoid air pollution, reducing the cost of materials. It can also protect against wind, rain and general external forces. The wind test shows that the strength of the shell film is strong enough to withstand the wind blowing of 30-35m/s. The dustproof is valid for 60 days.



Road surface: mainly used for the urban dusty road, open-pit mining, construction site, port and coal and ore storage yard, etc. Pavement type dust suppression agent in addition to the consolidation, wetting, coagulation and function, also have bibulous moisturizing function, that is, in the high humidity (relative humidity is more than 30%) can absorb the moisture in the air, at the same time with the rolling resistance, even covering membrane destroyed by crushing, and under the condition of the road is dry, still has the very good performance of dust suppression. The surface antidusting agent is a water solution with a concentration of 20%, and the sprinklers are 0.5-2kg per square meter. The dustproof period is 30 ~ 60 days.



The above two kinds of dust suppression agents are non-toxic, harmless, biodegradable and so on. No secondary pollution will be formed after use. Among them, the road type dust suppressant is unique in China.



Contact: zang manager tel: 18766857827.



Practical application effect



We conducted an experiment with yingkou Hong Kong and the two companies in yingkou port to treat coal dust pollution.



Cover type dust suppressant.



The spraying concentration is 1%, the spraying area is 2000m2, and the total spraying amount is 4t, and the spraying quantity per square meter is 2kg. After 1 hour observation, the surface of the coal ricks began to conjunctival, and the overall effect was good. 2. After observation, the surface has 2 ~ 10mm conjunctival, and the coal dust under the film is wet. A day later, the dust-dusting coal heap experienced the erosion of moderate rain, the conjunctival intact, and the bottom of the film was wet. After 5 days of spraying, the bottom conjunctival thickness is 10 ~ 15mm, which is very hard. There is no dust in the strong wind.



Road dust suppressant.



Spray 27.5t surface anti-dust solution (2-3kg/m2) with a spray concentration of 20%, and the spraying area is about.



The dust concentration of the road before spraying was 1662.5mg /m3, and the dust concentration was 63.3mg/m3 after spraying for 5 days. The dust removal efficiency reached 96%, and it remained unchanged for many days. When the vehicle passes, it will not produce the dust, the dust suppression effect is very obvious, but the road that does not spray the dust suppression agent produces a lot of dust.


 

1523438107100691.jpg  抑尘剂2.jpg


FIG. 1 coating of dust suppressant in the laboratory FIG. 2 surface conjunctival condition of coal dust suppressant (cross section)


抑尘剂3.jpg   抑尘剂4.gif


FIG. 3 dust removal of road surface before spraying on road surface

 

 


Product advantage







At present, the domestic some scientific research units and colleges and universities on the research of dust suppression agent, but on the market only in the production and marketing capability of 3, 4, companies, and mainly focused on the cover type dust suppression agent, road dust suppression agent not seen large-scale application. Therefore, our road dust suppressant has certain market exclusivity.



Through the investigation of the domestic dust suppressant and the field comparison test, we have some advantages in the rate, thickness and strength of the coating. It also has strong water retention and wind resistance. The results are as follows:


Serial Number



crust

mm


Rermeability


water

The amount/g



Water absorption

The amount/g


Total amount (water retention + water absorption) /g.

Crust performance

blank

There is no

impermeable

0.0

10.0

10.0

Unencrusted, impermeable.

Shandong cover type

2~4

Better permeability

1.5

10.0

11.5

The crust is 2 ~ 4mm thick, with a high intensity, but it is brittle and has a certain permeability. The conjunctival has a crack, and the coal dust in the membrane is dry, and the crust becomes soft after 14h overnight.

Lanzhou cover type

1~2

Permeability general

0.0

10.0

10.0

The crust thickness is 1 ~ 2mm, the strength is low, it is brittle, the permeability is slightly poor, the conjunctival has a crack, the coal dust in the film is dry, and the crust becomes soft after 14h overnight.

Tianjin 1:10 cover type.

3~4

Good permeability

3.0

10.0

13.0

The crust is 3 ~ 4mm thick, with high strength, crisp, good permeability and complete conjunctival. The coal dust in the film is in a sticky state, and the crust becomes soft after 14h overnight.

Tianjin 1:4



The road surface type


3~5

Full penetration

21.0

6.0

27.0

The crust is 2 ~ 5mm, the strength is high, the finger is not easy to damage, completely infiltrates to the bottom of the disk, the conjunctival is intact, the coal dust under the film is bonded together, and the bottom has a bond. After 14h overnight, the shell becomes soft and the film has toughness.


Table 1 comparison of the performance of cover type dust suppressant and pavement type dust suppressant.

The product name

Scope of application

The performance characteristics of

fu


cover


type


Day to 101

It can be widely used in coal and all kinds of metal, non-metal mining area, mineral powder slag dump, coal and mineral powder transportation.

结壳厚3~4mm,强度高,具有优良的渗透和凝并特性,特别适用于非亲水性粉尘,如煤粉和某些矿粉等,同时也适用于超细粉尘,如粉尘颗粒度小于5微米的扬尘.可以抵御大风、雨水及一般外力的作用,壳膜的强度足以抵抗35m/s的风吹。防尘有效期为30~60天。

Day to 102

Earthwork storage and unloading field, demolition of buildings, construction along the road, artificial beaches and so on.

The crust thickness is 4 ~ 6mm, the strength is high, the conjunctival is complete, and the coal dust under the film is bonded. It can resist the action of strong wind, rain and general external forces, and the strength of the shell film is enough to resist the wind blowing of 35m/s. The dustproof period is 30 ~ 60 days.

 

 

 

 

 

 

 

 

Road,



surface



type


Day to 201

Gravel road, dirt road, such as country road, mine road and soil thickness of more than 1cm of road, as well as port and coal and ore depot and other vehicles rolling on the road surface.

With strong sex, the permeability and consolidation of soil crust thickness can reach more than 1 cm, also have bibulous moisturizing function, that is, in the high humidity (relative humidity is more than 30%) can absorb the moisture in the air, at the same time with the rolling resistance, even covering membrane destroyed by crushing, and under the condition of the road is dry, still has good performance of dust suppression. The dustproof is valid for 30 days.

Day to 202

The heavier city road surface, such as asphalt and cement road.

With excellent moisturizing and consolidation, it can absorb moisture in the air, and make the dust on the road surface to form a thin crust, which has good crushing resistance. The product also has a strong coagulation effect, which can cause the fine particles to coalesce into large particle size to achieve rapid settlement. The dustproof is valid for 15 days.



相关标签:Shaanxienvironmentalprotectionequipment,shaanximiningequipment,shaanximiningequipmentmanufacturers

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