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Submersible Reflux Pump

 
A reflux pump, also known as a check pump, is a pump that can divert liquid from a high place to a low place under a certain pressure. It is often used in offshore oil fields, marine engineering, urban drainage, agricultural irrigation and other fields.
 
Basic functions of the product: Pumping or refluxing media, maintaining stable system operation, and a wide range of application scenarios
 
 
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Basic information of the product

A reflux pump is a pump that returns fluid or gas to a system or process to ensure stable operation of the system. Its main function is to reduce the fluctuation of liquid level or air flow in the system and to prevent air or bubbles from entering the system, causing equipment failure and impurities. Reflux pumps are usually installed on storage tanks, sedimentation tanks, at the end of pipelines, etc., for the reflux and circulation of liquids or the emptying and recovery of gases.


Usage Environment

1. Temperature and pressure‌:When the reflux pump is in continuous operation, the medium temperature should not exceed 40℃, and the rated voltage of the pump is 380V, the rated frequency is 50HZ, and the deviation does not exceed ±5% ‌

2. Altitude and Depth‌: The altitude of the return pump is limited to below 2000 meters, and the diving depth is generally not more than 10 meters.‌ ‌

3. Medium characteristics‌:The pH value of the medium should be between 3-12, and the liquid density should not exceed 1150kg/m³‌In addition, the medium temperature is not higher than 40℃ and the pH value is 6-9 ‌

4. Environmental conditions‌: The reflux pump must be submerged in water and cannot be used in flammable, explosive or highly corrosive environments. ‌

5. Electrical requirements‌:The rated voltage and frequency of the reflux pump must be within the specified range for the motor to operate normally‌


Product Advantages

Submersible Reflux Pump High - Flow, Low - Head Solution for Wastewater Treatment


  • First, it can withstand high pressure and high flow. Second, it has a long service life and strong corrosion resistance. Third, because it is more energy-efficient, it has an advantage in operating costs.

  • Micro lift, large flow, anti-clogging

  • Casting structure, small size, high precision, corrosion resistance, no noise


Product Features

  • The latest sealing materials are used to ensure that the pump can run safely and continuously for more than 10,000 hours.

  • In industrial cleaning, liquid circulation can effectively reduce waste liquid generation and pollution. The return pump returns the liquid used in cleaning to the ozonation tank according to the type of liquid used, thus achieving efficient resource utilization.

  • Return pumps can help collect large amounts of excess waste and waste streams and recycle them back to the original treatment facility for recycling and disposal.


Technical Parameters

Pump TypeReflux pump
Materialcast iron
Drive typeelectric
Maximum flow3000m3/h
Maximum lift1.76
Installation TypeAutomatic coupling installation system
Maximum caliberDN600
Maximum Power10KW
Protection levelIP68
Insulation classF-Class
Standard voltage380V


Product Usage

In chemical processes, some chemical reactions need to be carried out in a specific environment of fluid circulation. Reflux pumps can return waste liquid or residual liquid to reactors or other processing equipment to ensure the continuous progress of the reaction.


Reflux pumps can transfer suspensions or solutions to mixing and heating equipment to allow them to be thoroughly mixed and form a uniform coating or color.


The return pump balances the water pressure and transfers it from one device to another or to a storage device, thus ensuring stable operation of the equipment.



Product Operation Guide

1. The reflux pump adopts an automatic coupling installation system. It can be quickly lifted without any mechanical disassembly without drainage, and the installation is convenient and quick.

2. In addition to the wall-penetrating pipe, the guide rod and lifting rod of this equipment are connected to the tank body with expansion bolts, and no embedded parts are required.

3. The embedded parts and flaps are purchased and installed by the user. The reflux pump has two installation methods for users to choose: horizontal installation and vertical installation.


1. Avoid overloading. Overloading can cause excessive heat and failure of the pump, damage the pump, and may cause safety failures.

2. Avoid dry-running operation. Dry-running refers to running the pump when it is not filled with liquid. This is because the pump needs to absorb lubricating oil from the liquid. If the pump runs during dry-running, it will cause failure and damage to the pump. The valve must be closed before the pump is started. The valve on the pipeline must be closed before stopping the pump to ensure that the pressure in the pump is released to avoid liquid overflow in the pump.

3. Observe the liquid height. Pay attention to the height of the liquid and ensure that the liquid reaches a certain height when the pump is started, otherwise it may affect the normal operation of the pump.


Can be described in text

Maintenance and operation of the reflux pump is a very important part of production work. Correct use and maintenance of the reflux pump can ensure the smooth progress of the production process, improve work efficiency, and at the same time extend the service life of the pump and reduce accidental risks. Before using the reflux pump, we need to make the best preparations. During operation, we need to pay attention to safety matters and perform subsequent maintenance in a timely manner, so as to truly realize the efficient and stable operation of the equipment in the production process.


Frequently asked questions

1. Power failure

Check whether the power supply is firmly plugged in and whether the line is normal.


2. Mechanical failure

Damage or wear of the internal equipment of the return pump (such as the impeller, shaft sleeve, etc.) will cause the return pump to not work. The solution is to replace the worn parts.


3. Import and export pipes are blocked

Clean the inlet and outlet pipes to ensure smooth flow


4. Liquid level problem

If the liquid level is too low or too high, it will affect the operation of the reflux pump. The solution is to adjust the liquid level to the appropriate range.

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