Cartridge filter
Menu
Latest News
Product introduction
Introduction to quartz sand filter
Manganese sand filter, also known as iron manganese filter, is a water treatment equipment specially designed to remove iron, manganese ions and some organic matter and suspended matter in water. The core of the filter is the use of manganese sand with special oxidation-reducing properties as the filter material. Manganese sand filters play an important role in many industries and household water treatment because of their high efficiency in removing iron and manganese and significantly improving water quality.
Quartz sand filter composition
The manganese sand filter is usually composed of a filter material layer, a support layer, a filter housing, a water distribution system, a water collection system, a backwash system and a control system. The filter material layer of manganese sand is the core of the filter, which is filled with quartz sand of different particle sizes. The support layer is used to fix the filter material and maintain the stability of the filter layer; The shell is usually made of stainless steel, carbon steel or glass fiber reinforced plastic and lined with anti-corrosion materials; Water distribution system to ensure uniform distribution of raw water; The water collection system collects filtered clean water; The backwash system is used to clean the filter material and restore the filtration performance. The control system automates operations such as backwashing.
Manganese sand filter for industry
Manganese sand filter is a special water treatment equipment, mainly used to remove iron, manganese and other heavy metal ions in water, as well as some organic matter and suspended matter, so its application in a wide range of industries, mainly including but not limited to the following areas:
1. Drinking water treatment: In the drinking water treatment of water plants and residential communities, manganese sand filter can effectively reduce the iron and manganese content of water, improve the safety and taste of drinking water.
2. Groundwater treatment: For groundwater rich in iron and manganese, manganese sand filter is an essential pretreatment equipment, which can effectively solve the problem of "red water" and "black water", and is suitable for groundwater purification in villas, farms, hot springs and other places.
3. Industrial water: In chemical, electric power, steel, textile, paper and other industries, manganese sand filters can remove iron and manganese ions in industrial water, protect production equipment, prevent corrosion of pipelines and equipment, and extend the service life of equipment.
4. Pool water treatment: In pool water treatment, the manganese sand filter helps to remove iron and manganese ions that may cause water discoloration, keep the water clear, and improve the swimming experience.
5. Agricultural irrigation: If the agricultural irrigation water contains too much iron and manganese, it will affect the growth of crops. The manganese sand filter can purify the irrigation water and ensure the healthy growth of crops.
6. Food and beverage industry: In the beverage, wine, food processing and other industries with high water quality requirements, manganese sand filters are used to remove iron and manganese impurities in the water source to ensure the quality of the final product.
7. Hot springs and SPA water treatment: used for water treatment of leisure and entertainment places such as hot springs and spas, keep the water quality clean, remove iron and manganese impurities that affect the perception and experience.
8. Wastewater treatment: In some industrial wastewater treatment and urban sewage treatment, manganese sand filter, as a pre-treatment or intermediate treatment step, can remove some heavy metals and reduce the subsequent treatment load.
Because of its unique ability to remove iron and manganese, manganese sand filter has become an important tool to ensure the safety of water quality and improve the efficiency of water treatment, and plays an irreplaceable role in many industries.
Technical principle of
The working principle of the manganese sand filter combines the two processes of physical filtration and chemical oxidation, mainly for the treatment of water bodies containing iron, manganese and other heavy metal ions, in order to achieve the purpose of purifying water quality. The specific working principle is as follows:
1. Physical filtration: The manganese sand filter is filled with specially treated manganese sand filter material, which has a certain pore structure, which can intercept the suspended matter in the water, sand and other large particle impurities, and play a preliminary physical filtration role.
2. Chemical oxidation: The principal ingredient in manganese sand, manganese dioxide (MnO2), has a natural oxidation property that catalyzes the oxidation of iron (Fe² +) and Mn² + ions in water, transforming them into compounds of the water-insoluble iron (Fe³ +) and Mn⁴ +. This process is manifested as follows:
• Oxidation reaction of iron: 4Fe² + O₂ + 10H₂O → 4Fe(OH)₃ + 8H +
• Oxidation reaction of manganese: 2Mn² + O₂ + 4H₂O → 2MnO₂ + 8H +
3. Adsorption and precipitation: Oxidized iron and manganese ions form insoluble precipitates (such as Fe(OH)₃ and MnO₂), which are caught by the physical retention and adsorption of the filter material surface when the water flows through the manganese sand filter, and thus removed from the water.
4. Biocatalysis: In some cases, a layer of biofilm may be formed in the manganese sand filter, in which microorganisms (such as iron bacteria) can accelerate the oxidation process of iron and manganese ions, further improving the treatment efficiency.
5. Backwashing and regeneration: With the filtration process, impurities will gradually accumulate on the surface of the manganese sand filter layer, requiring regular backwashing operations. When backwashing, the water flow direction is reversed to remove the accumulated impurities between the filter material and restore the filtration capacity of the filter material. For manganese sand, it has a certain self-regeneration ability, because the MnO2 on its surface will be constantly renewed during the oxidation process to maintain its activity.
The production process of
Production of equipment
Capacity and size
|
Serial number |
Tank type |
Flow rate |
Tank size（m） |
thickness（mm） |
stress(MPa) |
|
|
diameter(Φ) |
Altitude(H) |
|||||
|
1 |
WTY-TLGL-0.3 |
0.3 |
0.20 |
1.20 |
1.2 |
0.6MPa |
|
2 |
WTY-TLGL-0.5 |
0.5 |
0.25 |
1.20 |
1.2 |
0.6MPa |
|
3 |
WTY-TLGL-1.0 |
1.5 |
0.30 |
1.65 |
2.0 |
0.8MPa |
|
4 |
WTY-TLGL-2.0 |
2 |
0.35 |
1.65 |
2.0 |
0.8MPa |
|
5 |
WTY-TLGL-4.0 |
4.5 |
0.50 |
1.65 |
2.0 |
0.8MPa |
|
6 |
WTY-TLGL-5.0 |
6.0 |
0.60 |
1.85 |
2.0 |
0.8MPa |
|
7 |
WTY-TLGL-10.0 |
10 |
0.75 |
1.85 |
2.0 |
0.8MPa |
|
8 |
WTY-TLGL-15.0 |
15 |
0.90 |
1.85 |
4.0 |
0.8MPa |
|
9 |
WTY-TLGL-20.0 |
20 |
1.10 |
2.40 |
4.0 |
0.8MPa |
|
10 |
WTY-TLGL-25.0 |
25 |
1.20 |
2.40 |
4.0 |
0.8MPa |
Chart of effect chart
Advantages and characteristics of manganese sand filter
Because of its unique material and design, the manganese sand filter has a series of characteristics, making it an effective tool for removing iron, manganese and other heavy metal ions in the field of water treatment. The following are the main features of manganese sand filters:
1. Efficient iron and manganese removal: At the heart of the manganese sand filter is a manganese sand filter material containing manganese dioxide (MnO2), a material with natural REDOX properties that effectively removes iron (Fe² +) and Mn² + in water, converting it into insoluble iron (Fe³ +) and Mn⁴ +, which in turn is removed by filtration.
2. Strong adaptability: manganese sand filter material has strong adaptability to the water quality changes of raw water, and can maintain a relatively stable treatment effect even in the case of water quality fluctuations.
3. Physical and chemical dual action: combined with the two mechanisms of physical filtration and chemical oxidation, it can not only trap suspended matter through the pore structure of the filter material, but also oxidize iron and manganese ions in the water through the catalytic action of manganese sand.
4. Low filtration resistance: Due to the structural characteristics of manganese sand, its filtration resistance is relatively small, which is conducive to improving the efficiency of water treatment and reducing energy consumption.
5. Acid and alkali resistance: manganese sand material itself has good acid and alkali resistance, can maintain a stable working state in a wide pH range, and is suitable for different types of water quality conditions.
6. Good pollution resistance: manganese sand filter material has a certain resistance to organic matter and microorganisms, and is not easy to be polluted, extending the service life of the filter material.
7. Easy operation and maintenance: the manganese sand filter is usually designed with automatic control function, which can automatically carry out backwashing and regeneration process, reducing manual operation and reducing maintenance costs.
8. Compact structure: compact structure design, small footprint, easy to install in a limited space, suitable for a variety of installation environment.
9. Wide range of applications: widely used in drinking water treatment, groundwater removal of iron and manganese, industrial cooling water treatment, agricultural irrigation water treatment, hot springs and swimming pool water treatment and other fields.
10. Environmental protection and durability: manganese sand filter material natural environmental protection, long service life, and at the end of the use cycle, the filter material itself has less impact on the environment.
In summary, manganese sand filters play an important role in the water treatment industry by virtue of their advantages of high efficiency, stability, easy maintenance and good adaptability.
Frequently Asked Questions
Q: How is there suspended matter in the water from the manganese sand filter?
A: The presence of suspended matter in the discharge water may be because the filtration rate is too fast, resulting in manganese sand can not effectively intercept impurities. Adjusting the water flow speed to ensure that it matches the filter's design rate can solve this problem.
Q: How to determine whether the manganese sand in the manganese sand filter needs to be replaced?
A: With the increase of use time, the surface of manganese sand may be covered by iron mud, affecting its catalytic effect. Usually by observing the color change of manganese sand to determine whether it needs to be replaced, if the color becomes darker, it may need to be replaced or regenerated.
Q: Can manganese sand filters be used to soften water quality?
A: The manganese sand filter is mainly for the removal of iron and manganese, and has limited effect on the softening of water (removal of calcium and magnesium ions). If water softening is required, consider using specialized water softening equipment.
Q: What should I pay attention to when backwashing the manganese sand filter?
A: Backwashing is a key step in restoring manganese sand filtration capacity. When performing backwashing, it is necessary to ensure that the backwashing water speed and time are appropriate to remove trapped pollutants without flushing out too much manganese sand.
Q: Is the manganese sand filter affected by the influent pH?
A: Yes, the pH value of the inlet water has an effect on the efficiency of the manganese sand filter. Oxidation removal of iron and manganese is usually more effective under neutral or slightly alkaline conditions. If the water is too acidic, the pH may need to be adjusted for better treatment.
Previous: No More