In the environmental treatment process of large-scale quartz sand production
lines (with a daily processing capacity of ≥ 3000 tons), the high-efficiency
concentrator is responsible for the rapid settling of tailings slurry (with a
solid content of 10% -20%) and the recovery of clear liquid. It is required that
the concentration of the bottom stream after concentration be ≥ 60% and the sand
content of the overflow water be ≤ 0.05g/L, which is directly related to the
water resource recycling rate and environmental emission standards. The current
environmental protection policies are becoming increasingly strict, and many
enterprises are facing production difficulties due to low efficiency of
concentrator treatment, turbid overflow water, and high bottom water content. As
a strong enterprise deeply engaged in the research and development, production,
and customized services of quartz sand equipment for more than 10 years, Shanlu
Heavy Industry has multiple core technology patents, focusing on providing
one-stop solutions for quartz sand enterprises from equipment selection,
optimization and transformation to after-sales operation and maintenance. Its
customized concentration machine optimization solution has successfully helped
dozens of large quartz sand enterprises across the country solve environmental
protection and production capacity problems.
1、 Core pain point disassembly: 3 major core challenges in the operation of
the concentrator
Based on the research data of the technical team of Shanlu Heavy Industry on
quartz sand production sites in many parts of the country, there are generally
three major pain points for high-efficiency thickeners: first, low settling
efficiency. Traditional thickeners have a single tank processing capacity of
less than 200m ³/h, which cannot meet the tailings processing needs of large
production lines, resulting in tailings accumulation; Secondly, the overflow
water is turbid, and the fine sand particles cannot fully settle, resulting in
excessive sand content in the overflow water, which not only wastes water
resources but also faces environmental risks; The third issue is that the bottom
stream has a high moisture content, resulting in poor flowability of the
concentrated tailings and a significant increase in subsequent dry discharge or
transportation costs. The core root cause of these problems lies in insufficient
adaptability of equipment structure, unreasonable dosing of chemicals, and poor
coordination between mixing and scraping systems.
2、 Shanlu Heavy Industry Customized Optimization Plan: Three Dimensions for
Efficient Breakthrough
Relying on its strong research and development capabilities and rich on-site
practical experience, Shanlu Heavy Industry has created an exclusive
optimization plan for the characteristics of quartz sand tailings, achieving
efficient concentration from three dimensions: structure, chemicals, and system.
Shanlu Heavy Industry always adheres to the concept of "adapting to local
conditions and precise adaptation". All solutions are customized based on the
actual production conditions, raw material characteristics, and environmental
requirements of the enterprise, which is different from traditional general
optimization and more targeted and practical.
1. Structural upgrade: adapted to the settling characteristics of quartz sand
and fine sand
In response to the problem of slow settling of fine sand particles, Shanlu
Heavy Industry has customized the structure and scraping system of the
concentrator tank: the traditional flat bottomed tank has been changed to a
conical bottom (cone angle 12-15 °), equipped with a high-frequency vibration
bottom flow device to accelerate the agglomeration and settling of fine sand,
and the bottom flow concentration has been increased to over 65%; Upgrade the
central transmission scraper, using the patented spiral scraper plate from
Shandong Heavy Industry, which increases the scraper efficiency by 30% and
avoids the accumulation of fine sand at the bottom of the pool; Install a
circular stabilizing device on the upper part of the pool to reduce water flow
disturbance, ensure sufficient settling of fine sand, and ensure stable and
compliant sand content in overflow water.
2. Pharmaceutical adaptation: Customized flocculation system improves
sedimentation efficiency
Unreasonable dosage of medication is a key cause of turbid overflow water.
Shanlu Heavy Industry, with its professional water quality analysis team,
customizes exclusive flocculation agent solutions for enterprises: using anionic
polyacrylamide (molecular weight 12-18 million) suitable for quartz sand fine
sand, combined with self-developed auxiliary settling agents (environmentally
friendly and residue free), through a precise metering and dosing system, the
dosage of the agent is controlled at 2-4g/t, reducing the traditional dosage by
30% and increasing the settling speed by more than 40%. Simultaneously equipped
with online water quality monitoring devices, the dosage of chemicals can be
adjusted in real-time to ensure stable treatment effects.
3. System Collaboration: Adapt the entire process to meet the requirements of
the production line
Shanlu Heavy Industry emphasizes the full process collaboration between
equipment and production lines, optimizes the synchronous matching of variable
frequency feeding system in the plan, and accurately controls the feeding amount
at 85% -95% of the rated value to avoid overloading and incomplete processing;
Equipped with an intelligent liquid level control system, real-time monitoring
of the liquid level in the pool, automatic adjustment of overflow and bottom
flow discharge speed, ensuring continuous and stable operation of the equipment.
In addition, Shanlu Heavy Industry also equips equipment with remote monitoring
modules, allowing enterprises to view operational data in real time, and
operation and maintenance personnel to remotely troubleshoot simple faults,
significantly reducing operation and maintenance costs.
3、 Implementation value of the plan: dual improvement of environmental
protection and production capacity
At present, the customized optimization plan has been implemented in
large-scale quartz sand projects in Shandong, Henan, Anhui and other places.
After adopting the Shanlu Heavy Industry plan, a certain quartz sand enterprise
with a daily output of 4000 tons has increased the single tank processing
capacity of the concentrator to 300m ³/h, the sand content of the overflow water
remains stable below 0.03g/L, the bottom water content has been reduced to 55%,
and the water resource recycling rate has been increased to 96%, saving more
than one million yuan in environmental protection costs and water resource costs
annually. As a benchmark enterprise in the quartz sand equipment industry,
Shanlu Heavy Industry has a standardized production base and a professional
technical service team. It promises a one-year warranty after equipment
optimization and lifelong technical support, ensuring worry free production for
the enterprise.
If your quartz sand production line is facing problems such as low processing
efficiency of the concentrator and difficulty in meeting environmental
standards, or if you have a need for equipment customization, optimization and
transformation, please feel free to contact Manager Zhang at 13583776655 on
WeChat. Shanlu Heavy Industry will tailor efficient, energy-saving, and
environmentally friendly solutions based on your production conditions and
needs, helping enterprises achieve a two-way breakthrough in environmental
compliance and capacity improvement.