Philippine river sand market analysis
Nowadays, the Philippine government focuses on the construction of infrastructure. The Philippine government plans to invest 910 billion pesos in infrastructure construction this year, which will double by 2020, preparing for the arrival of the "golden infrastructure era".
Diokno, the Philippine Secretary of Budget and Management, said that the investment in infrastructure projects was equivalent to 4.7% of gross domestic product (GDP) in 2019. The infrastructure construction grant will exceed to 1 trillion pesos mark by 2020.
In the next year, road, bridge, airport, and railway construction spending will reach to 1.22 trillion pesos, equivalent to 5.7% of GDP. Increasing spending and upgrading infrastructure will enhance the Philippines' economic competitiveness, which is in line with the Duterte government's "big construction" plan.
Philippine government is striving to develop infrastructure
With the strengthening of infrastructure construction, the demand for materials such as sand, cement, and steel is increasing rapidly. Especially for sand materials that can be used in construction, concrete, cementitious materials, and road construction materials.
In recent years, the continuous prosperity and development of the real estate industry and the perfect requirements for global urban infrastructure construction require a large amount of river sand materials. Some countries like China would import river sand from the neighbors.
Policy support, the need for local construction, and the prosperity of foreign export markets all indicate that it is wise to invest in the river sand market.
Huge demand for river sand
The characteristics and advantages of Philippine river sand
Physical properties of river sand
The Philippine is located on the western edge of the Pacific Plate, where there are frequent earthquakes and volcanic activities.
A large number of hard rocks are produced accompanied by the volcanic eruption, they have been impacted for a long time, and they are smooth in surface and contain less impurities. The buildings which used river sand in some reinforced concrete structures can extend their life expectancy and have stable mechanical properties.
Layer structure of river sand
The Philippine river sand is composed of conglomerate, sandstone, shale, basalt, tuff and a small amount of limestone. The solid concrete made of these sands always has uniform texture and physical strength because of the uniform size and hard physical structure.
The mud content of river sand
As mentioned above, the Philippine river sand is mainly produced by the long-term effects of volcanic eruptions, crustal movements and river impacts. For the stratums where river sand stored in are stable, there is only fewer volcanic ash in the sand. So, it's easy to remove the mud from the sand, and the cost of processing is low.
Philippine river sand features
The chloride ion content of river sand
Because most of the Philippine river sands are collected from the riverbed generated after the volcanic eruption, the colors of the Philippine river sand mostly are black or gray.
The chloride ion content is relatively low. North and central parts have the lowest chloride ion content, below 0.02% on average. It is in line with the international standard for the use of concrete in river sand.
River sand particle size
With low mud content, Philippine river sand can be directly used as building materials after simple sieving. However, some river sands in other regions are mainly larger river pebbles, then a crushing machine is recommended.
The hardness of river sand
The main component of river sand is quartz, so its Mohs hardness is 7. It can be used by mixing with other materials for its good hydrophobic and air permeability.
Based on the above analysis, the river sand in the Philippines has unique advantages in the construction of the river sand supply market due to its low mud content, low chloride ion content, high hardness and perfect particle size which is suit for construction.
The quality of the Philippine river sand is extremely high. The only drawback is that it contains less large gravel, which is not convenient for direct use as construction sand. Therefore, a screening process is needed. Good screening equipment will certainly do more with less for the huge market demand.
Screening equipment needed
The following equipment can be used in the screening process, such as vibrating screen, trommel screen, conveyor.
Double-deck Vibrating screen and trommel screen
Vibrating screen VS trommel screen
Both vibrating screen and trommel screen can be used for single or multi-stage screening of river sand. The differences between them are mainly the feeding and discharging sizes, the output, the number of screen deck, the screen size, the screening advantage, and the price of the equipment. Then we will introduce the differences below.
Feed size and output
The most important thing you need to consider is the feed size and output while selecting the screening equipment. For the vibrating screen, the maximum feed size is 200mm, and the hourly output is between 8m3 and 800m3. For the trommel screen, the maximum feed size is 150mm, the hourly output varies from 12m3 to 350m3 (1m3sand≈1.35~1.45t).
The number of sieve layers
The sieve layers of the vibrating screen can be selected according to the grade of the river sand materials, generally, there are double-deck, three-deck and four-deck vibrating screens being provided.
If you just want to separate the sand from the gravel, the double deck vibrating screen can meet your requirements. If the sand should be classified precisely, you need to choose the three-deck or four-deck vibrating screens. And the four-deck can meet your several sieving requirements.
The screen of the trommel is cylindrical, and one screen only has one mesh size. To get a variety of finished products, you need to connect multiple screens one by one.
Selecting the appropriate size and connecting them, from small to large with the smallest mesh at the feed port, can achieve the purpose of separating several different size sand. However, increasing length means lowering the screening efficiency, so long-sized trommel is not recommended.
Vibrating screens with many layers to choose
To purchase a suitable vibrating screen, you usually need to think about the following parameters: the number of sieve layers, Sieve area, mesh size, and max feeding size.
The mesh sizes produced by our company are mainly 3mm, 5mm, 10mm, 15mm, 20mm, 30mm, 40mm, etc., the maximum is generally 150mm. Of course, they can also be customized according to customer's needs. Therefore, the vibrating screens can meet most screening needs.
Check the tables below for more parameter information.
Detailed parameter table of YK series circular vibrating screen
|Model||Sieve area (m²)||Mesh size (mm)||Max. feeding size (mm)||Processing capacity (m³/h)||Motor power (kw)||Sieve specification (mm)||Dimensions (L×W×H) (mm)|
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Taking 2YK1230 as an example, 2 refers to two-layer screen, YK refers to the YK series, and 1230 refers to a screen size (Sieve area) of 1200 (width) x 3000 mm (length).
Detailed parameter table of the trommel screen
|Sieve hole(2mm)||Sieve hole(30mm)|
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Of course, the actual output will vary slightly depending on the mesh size and the type of the machine. So, the actual situation is subject to the actual selection. If you have any questions or needs, please feel free to contact us.
Circular vibrating screen:
- It features in the small volume, easy operation, expedient installation and maintains.
- With shaping features, the quality of output is good and the density of stacking is high.
- It produces less dust and little noise.
- It is durable, some wearing parts of it made of special hard and wear-resistant materials.
Circular vibrating screen advantages
- It has a wide application, low noise, high efficiency, and environmental protection.
- It uses advanced lubrication system and has a long service life.
- It adjusts a small installation angle, mainly being used for grading of powdered materials.
Trommel screen advantages
How to choose a suitable sand separator
The vibrating screen and the trommel screen both have their advantages. So, how to choose a suitable one?
It is recommended to use a trommel screen while the materials mainly are powders or the materials only need to be divided into two parts by size.
If the majority of the materials are big gravels, the output needs to be classified into several sizes, and the output required is large, circular vibrating screen is recommended.
Certainly, if the funds are limited while the production and site requirements are not high, it is recommended to choose a trommel screen.
Other equipment needed
To avoid the materials blocked in the discharging port, conveyors are needed while screening. On the one hand, the conveyor can deliver the finished product to the right place for later use; on the other hand, it can raise the efficiency of the screening.
Circular vibrating screen with conveyor
Sand making machine
While the river sands collected are too large to be used in construction, a sand making machine is needed to get more suitable building sands.
Sand making machine
At present, the infrastructure construction is in the ascendant in Philippine. Therefore, the demand for sand is still high and will grow continually. So, improving the efficiency and quality of river sand mining has become a top priority for investors.
A suitable screening device not only has a low failure rate but also improves the screening efficiency and increases the profit. The top priority is how to choose the right screening equipment.