Introduction to Reverse Osmosis Membrane Separation Technology and Pretreatment Process
In the practical application of reverse osmosis membrane separation technology, membrane fouling is inevitable, and the membrane fouling problem is the decisive factor affecting the stability of this technology. Therefore, studying the formation mechanism of membrane fouling and cleaning the membrane fouling are important guarantees for the normal operation of the reverse osmosis system and preventing its failure. Membrane fouling refers to the physical or chemical interaction between particles, colloidal particles or macromolecules of solutes in the feed liquid in contact with the membrane, or the concentration of certain solutes on the membrane surface exceeding their solubility due to concentration polarization, as well as the adsorption and deposition on the membrane surface or within the membrane pores caused by mechanical action, resulting in a reduction or blockage of the membrane pore size. Cause irreversible changes in the permeation flow rate and separation characteristics of the membrane. Flux attenuation and separation caused by the adsorption of pollutants, especially large molecules such as proteins, on the membrane surface and within t
Details >Barrel water filling machine equipment
The operation process for maintaining the bottled water filling machine equipment: To ensure the smooth operation of the entire pure water equipment process and to guarantee production quality, it is necessary to regularly clean and maintain the equipment. In the daily production operation of bottled water, each technician should strictly follow the procedures in the equipment maintenance manual. What seems like a very simple maintenance actually has very strict rules and regulations. Maintenance is also carried out in phases, including routine maintenance, regular maintenance (first-level, second-level, and third-level maintenance), and special maintenance (seasonal maintenance and out-of-service maintenance). The main purpose of these maintenance measures is to reduce the wear and tear of the components of the fully automatic filling machine, minimize the risk of failure, and extend the service life of the bottled water filling machine. Routine maintenance involves cleaning, lubrication, inspection and tightening during the operation of the bottled water filling machine
Details >Installation steps instructions for pure water equipment
Pure water equipment mainly consists of a pretreatment device, a reverse osmosis main unit and post-treatment. The core technology of pure water equipment is reverse osmosis membrane separation technology. Through high-precision reverse osmosis membrane filtration, it can effectively remove harmful impurities such as colloids, suspended solids and viruses in the raw water. The water quality of the output can meet the national standard drinking water specifications. Below, Beijing Yuanlai Water Treatment Equipment Co., Ltd. will take a detailed look at the installation steps of pure water equipment. Installation steps for pure water equipment: 1. First, place the main unit of the pure water and the preprocessor of the pure water equipment in a location close to the water source and power supply. This will facilitate future use. 2. Then, in the pure water equipment, filter materials mainly for filtration, such as quartz sand, activated carbon, and softening resin, are installed. 3. Connect the waterway again: Pure
Details >Operating Instructions for Manual Water Softening Equipment
1. Installation diagram of pipelines and valves for softened water equipment 2. Operation methods 1) Water production: Open Valves 1# and 2#2) Backwashing: Open Valves 3# and 4#3) Salt Intake: Open Valves 5#, 6# and 7# (Adjust the opening volume of 7# to make the water intake and drainage volume the same) 4) Replacement: Open valves 6# and 7# (Adjust the opening amount of 7# to make the inflow and outflow volumes the same). 5) Forward washing: Open valves 1# and 5#. 6) Salt tank water filling: During the water production process, open valve 7#
Details >FLECK softening centralized controller from the United States
The fully automatic water softener of the American FLECK centralized softening controller features a piston-type valve core that not only has outstanding hydraulic performance but is also sturdy, wear-resistant and corrosion-resistant. The lead-free brass valve body is harmless and has a long service life. Fully automatic water softeners can be classified into various series such as time-controlled type, flow-controlled type, and continuous soft water supply system type. They come in multiple combination forms including single-valve single-tank, single-valve double-tank, double-valve double-tank in parallel, and large multi-valve multi-tank in series, meeting the different water usage requirements of boiler soft water equipment. The working principle of the "Artuzu" fully automatic water softener (sodium ion exchanger) of the American AUTOTROL multi-way valve controller: The sensor flowmeter on the outlet pipe of the sodium ion exchanger randomly collects the output water volume information and promptly inputs it into the computer. After storage and calculation, it issues instructions to the multi-way servo valve or solenoid valve for operatio
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Yuan LaiEDIThe ultra-pure water equipment uses electro-deionization technology.EDIElectrodeionization is a water purification method that combines the dual advantages of electrodialysis and ion exchange. It does not require acid-base chemical regeneration and can continuously and stably prepare high-purity ultrapure water. Under the action of a direct current electric field, ion separation in water is completed. At the same time, water is electrolyzed to generate hydrogen ions and hydroxide ions, achieving automatic regeneration of the resin without the need to stop the machine for manual regeneration. The pre-treatment combined with reverse osmosis can prevent oxidized substances from damaging the resin, ensuring stable effluent quality and widely meeting the high-standard water usage requirements of various industries.
The non-negative pressure water supply equipment can be directly connected to the municipal water supply network, making full use of the residual pressure of the original network for superimposed water supply. Fully enclosed operation does not require the construction of a domestic water tank, eliminating secondary pollution. Intelligent variable frequency voltage stabilization, energy-saving, quiet and easy installation, it is the preferred equipment for secondary water supply in high-rise residential buildings and commercial buildings.
Constant pressure water supply equipment is widely used in central air conditioning, floor heating, industrial closed-loop water circulation, and boiler systems. It integrates automatic pressure stabilization, automatic water replenishment, automatic exhaust, pressure relief and buffering functions. It stabilizes the pressure in the pipeline network, eliminates abnormal sounds caused by air blockage, and prevents damage from negative pressure and water shortage in the pipeline. It is an essential supporting equipment for HVAC and circulating water systems.
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