Multi-media filter is a commonly used water treatment equipment, which is mainly used to remove impurities such as suspended solids, particulate matter, colloids and other impurities in water and improve water quality. This article will introduce the operation instructions of the multi-media filter in detail, including the equipment composition, operation steps, precautions, etc., to help users better use and maintain the equipment.
First, the composition of the equipment.
The multi-media filter is mainly composed of inlet pipeline, filter body, outlet pipeline, backwashing pipeline, mud discharge pipeline, etc. Among them, the filter body is the core part of the multi-media filter, which is filled with a variety of filter materials with different particle sizes, such as quartz sand, anthracite, magnetite, etc., to achieve the purpose of removing impurities.
2. Steps.
1.Prepare before starting.
Before starting a multi-media filter, you need to make the following preparations:
1) Check whether all parts of the equipment are intact, especially whether the filter material inside the filter body is evenly distributed, whether there are any debris, etc.
2) Open the water inlet valve to let the water flow into the filter body, and observe whether the water inlet pressure and flow rate are normal.
3) Check whether the outlet pipe and backwash pipe are unblocked, and whether the valve is in the correct position.
4) Confirm whether the sludge discharge pipeline is unblocked and whether the valve is closed.
2.Run the action.
When the preparation is complete, you can start running the multi-media filter. The specific steps are as follows:
1) Open the water inlet valve to let the water flow into the inside of the filter body.
2) Observe the water level inside the filter body, and when the water level reaches a certain height, open the water outlet valve to make the filtered water flow out.
3) Regularly check the condition of the filter material inside the filter body, and replace or replenish it in time if it is found that the filter material is blocked or lost.
4) According to the water quality and equipment operation time, regular backwashing operation is carried out to remove impurities and pollutants on the surface of the filter material.
3.Backwash operation.
Backwashing is one of the important operations of multi-media filters, which can effectively remove impurities and contaminants on the surface of the filter media and restore the filtration effect of the filter media. The specific steps are as follows:
1) Close the inlet valve and outlet valve.
2) Open the backwash valve to allow the backwash water to flow into the inside of the filter body.
3) The backwashing time is generally controlled at about 5-10 minutes, which is adjusted according to the condition of the filter material and the backwashing effect.
4) Close the backwash valve, open the drain valve, and discharge the backwash water.
5) Repeat the above steps and carry out multiple backwash operations until the water quality meets the requirements.
4.Shutdown operations.
When it is time to stop the operation of a multi-media filter, the following actions need to be done:
1) Close the inlet valve and outlet valve.
2) Open the sludge discharge valve and discharge the sludge inside the filter body.
3) Close the sludge discharge valve and backwash valve.
4) Regularly inspect and maintain the equipment to ensure that the equipment is in good condition.
3. Precautions.
1.When running a multi-media filter, parameters such as inlet pressure, flow rate, and effluent quality should be observed regularly to ensure the normal operation of the equipment.
2.Regularly check and replace the filter material inside the filter body to avoid the blockage or loss of the filter material and affect the filtration effect.
3.When carrying out backwashing operations, attention should be paid to the control of backwashing time and backwashing water volume to avoid damage to the equipment.
4.When the machine is stopped, the sludge inside the filter body should be discharged in time to avoid corrosion and damage to the equipment.
5.When using multi-media filters, attention should be paid to the care and maintenance of the equipment, and regular cleaning and inspection should be carried out to ensure the long-term stable operation of the equipment.
In short, the multi-media filter is an important water treatment equipment, and its operation needs to be carried out in strict accordance with the specifications. Through the introduction of this article, I believe that readers have a deeper understanding of the operation of multi-media filters, and can better use and maintain equipment, improve water quality, and protect people's health and life safety.