Siemens EDI Membrane Stack - IP-LXM45Z
1. Introduction to Siemens EDI Membrane Stack-IP-LXM45Z
The Siemens EDI Membrane Stack is a water treatment device that uses Continuous Electrodeionization (CEDI) technology. CEDI is an advanced deionization technology that combines ion exchange resins with ion migration under the influence of an electric field. Specifically, when fresh water enters the fresh water chamber, the ions within it undergo ion exchange with the mixed bed resin, thus detaching them from the water. These exchanged ions are attracted by electricity, with cations migrating towards the cathode through the cation exchange membrane and anions migrating towards the anode through the anion exchange membrane, entering the concentrated water chamber and being removed from the fresh water. This process creates a dynamic equilibrium within the module, where the resin is both consumed and regenerated. Compared to traditional ion exchange that requires chemical regenerants, CEDI technology can operate continuously without the need for chemical regenerants, making it simpler to operate and significantly reducing operating costs.
2. Technical Parameters of Siemens EDI Membrane Stack IP-LXM45Z
IP-LXM45Z is a type of EDI (Electrodeionization) membrane block from Siemens, belonging to the largest water production capacity, longest size, heaviest transport weight and working weight product in the industrial desalination series. The following are the main technical parameters of IP-LXM45Z:
1. Minimum water production flow rate: 2.55m3/h (11.3gpm)
2. Nominal water production flow rate: 5.1m3/h (22.5gpm)
3. Design water production flow rate range: 5.1~7.67m3/h (22.5~33.8gpm)
4. Transport weight: 205kg (451lbs)
5. Working weight: 157kg (345lbs)
6. Installation slot center distance: 747.7mm
7. Feedwater conductivity: < 40 pS/cm
8. Recovery rate: 90~95%
9. Maximum allowable feedwater pressure: 7bar (100psi)
10. Pressure drop range at nominal water production flow rate: 1.7~2.5bar (25~37psi)
11. Maximum allowable feedwater temperature: 45℃ (113℉)
12. Silicon (SiO2) removal rate: 90~99%
3. The lowest water quality requirement for Siemens EDI membrane stack-IP-LXM45Z
（CO2） The equivalent conductivity of influent water (including CO2 and silicon) | <40μs/cm |
Water inlet source | RO Product water |
Temperature | 5-45℃（40-113°F) |
Inlet pressure | 1.4-7bar（20-100psi） |
（Cl2） Oxidant (calculated as Cl2) | <0.02ppm |
（Fe) | <0.01ppm |
（Mn) | <0.01ppm |
（S2-) | <0.01ppm |
pH | 4-11 |
（CaCO3） | <1.0ppm |
（TOC，C） | <0.5ppm |
（SiO2） | <1.0ppm |
4. Siemens EDI Membrane Stack Flow and Physical Specification-IP-LXM45Z
LX-Z Series Membrane Stack | ||||||
order number | Design water production flow rate m3/h(gpm) | Minimum allowable water yield flow rate m3/h(gpm) | DC V | DC A | Transportation weight Kg(lbs.) | Working weight Kg(lbs.) |
IP-LXM04Z | 0.44～0.67(2.0～3.0) | 0.22(1.0) | 0～55 | 0～6 | 68(150) | 45(100) |
IP-LXM10Z | 1.1～1.65(5.0～7.5) | 0.55(2.5) | 0～135 | 0～6 | 91(200) | 68(150) |
IP-LXM18Z | 2.0～3.1(9.0～13.5) | 1.1(4.5) | 0～240 | 0～6 | 100(220) | 77(170) |
IP-LXM24Z | 2.8～4.2(12.5～18.8) | 1.4(6.3) | 0～320 | 0～6 | 113(250) | 91(200) |
IP-LXM45Z | 3.4～5.1(15.0～22.5) | 1.7(7.5) | 0～400 | 0～6 | 123(270) | 100(220) |
IP-LXM45Z | 5.1～7.67(22.5～33.8) | 2.55(11.3) | 0～600 | 0～6 | 145(320) | 122.5(270) |
5. Dimensions and weights of Siemens EDI membrane stack:-IP-LXM45Z
Dimensions & Weight | model number | |||||
IP-LXM04Z | IP-LXM10Z | IP-LXM18Z | IP-LXM24Z | IP-LXM30Z | IP-LXM45Z | |
Hight | 60.5cm（23.8 in） | 60.5 cm（23.8 in） | 60.5 cm（23.8 in） | 60.5 cm（23.8 in） | 60.5 cm（23.8 in） | 60.5 cm（23.8 in） |
wide | 32.0 cm（12.6 in） | 32.0 cm（12.6 in） | 32.0 cm（12.6 in） | 32.0 cm（12.6 in） | 32.0 cm（12.6 in） | 32.0 cm（12.6 in） |
long | 25.7 cm（10.13 in） | 34.8 cm（13.7 in） | 46.4 cm（18.3 in） | 55.4 cm（21.8 in） | 66.6 cm（26.2 in） | 88.6cm (34.9 in) |
Working weight | 45.5Kg（100 lbs） | 60Kg（130 lbs） | 77.3Kg（ 170 lbs） | 90.9Kg（200 lbs） | 100Kg（220 lbs） | 124Kg（273 lbs） |
6. Application areas of Siemens EDI module stack IP-LXM45Z:
The application areas of Siemens EDI module stack are quite extensive. Here are its main application areas:
1. Laboratories and research institutions: In scientific experiments and research, laboratories and research institutions need to use high-purity water to ensure the accuracy and reliability of experimental results. Siemens EDI module stack technology can reduce impurities and various trace chemical components in water, providing clean water quality for laboratories, which is an essential equipment for laboratories.
2. Electronic industry: In the production process, the electronic industry needs to use high-purity water, such as glass shells, display tubes, liquid crystal displays, microcircuit boards, computer hard disks, integrated circuit chips, and monocrystalline silicon semiconductors. Siemens EDI module stack technology can meet the high requirements of the electronic industry for water quality, preventing ion and organic pollution of products and affecting their performance.
3. Pharmaceutical production: In the pharmaceutical production process, the requirements for impurities in water quality are relatively high. Siemens EDI module stack technology can provide high-purity water to meet the requirements of pharmaceutical production for water quality, ensuring the quality and safety of drugs.
4. Power industry: When coal and other fuels are burned in thermal power plants, a large amount of ions and organic substances will be generated, which will affect the operation of the boiler and the lifespan of the equipment. Siemens EDI module stack technology can remove these substances from the water, improving the operational efficiency of the boiler and the lifespan of the equipment.
5. Chemical industry: High-purity water is needed in the chemical production process to prevent ion and organic pollution of products and affect their performance. Siemens EDI module stack technology can provide clean water quality for the chemical industry, meeting its demand for water quality.
6. Food and beverage industry: The food and beverage industry has high requirements for water quality to ensure product quality and safety. Siemens EDI module stack technology can provide high-purity water to meet the requirements of the food and beverage industry for water quality.
In addition, Siemens EDI module stack technology can also be applied to industrial cleaning, water purification, medical equipment manufacturing and other fields. In general, the application areas of Siemens EDI module stack technology are very extensive, almost involving all industries that require high-purity water quality.
7. Common problems and solutions of Siemens EDI module stack IP-LXM45Z:
The common problems and solutions of the Siemens EDI (Electro-Deionization) membrane stack are as follows:
1. Common Problems
1.1 Leakage of the Membrane Stack: This may be caused by loosening during transportation or operation, defects in the membrane stack itself, or damage caused by external impacts.
1.2 Leakage of the Piping: This is usually due to loose connections of the membrane stack, aging, or damage to the gaskets.
1.3 Poor Water Quality: The reasons may be incorrect setting of the operating current or contamination of the resin.
1.4 Decreased Flow Rate or Increased Inlet Pressure: This may be caused by scaling, fouling, or oxidation of the membrane stack, blockage downstream, blockage or contamination of the system by debris, or decreased inlet flow rate.
1.5 Abnormal Conductivity of the Membrane Stack: This may be due to contamination of the membrane or failure of the membrane stack electrodes.
1.6 Abnormal Pressure of the Membrane Stack: This may be caused by incomplete closure of the inlet valve or blockage of the membrane stack.
1.7 Failure of the Membrane Stack Electrodes: This may be due to aging, corrosion, or poor connections of the electrodes.
2. Solutions
2.1 Leakage of the Membrane Stack: Tighten the membrane stack or replace the seals. If the membrane stack itself has defects, it may be necessary to contact the local service provider.
2.2 Leakage of the Piping: Tighten the connections and inspect and replace the gaskets as needed.
2.3 Poor Water Quality: Measure the incoming water conductivity and carbon dioxide, and make adjustments as needed; clean or replace the resin.
2.4 Decreased Flow Rate or Increased Inlet Pressure: Clean the membrane stack, check the status of downstream valves, clean the system, check the status of upstream valves, inspect for leaks, and check the condition of the incoming water source.
2.5 Abnormal Conductivity of the Membrane Stack: First, attempt cleaning. If cleaning is ineffective, replace the membrane or inspect and replace the membrane stack electrodes.
2.6 Abnormal Pressure of the Membrane Stack: Check if the inlet valve is not fully closed. If it is normal, clean the membrane stack. If cleaning is ineffective, the membrane stack may be blocked and needs to be replaced.
2.7 Failure of the Membrane Stack Electrodes: Inspect the electrodes for aging, corrosion, or poor connections, and replace them if necessary.
Please note that the above solutions are only for reference, and specific repair operations should be carried out according to the actual situation and equipment manual. If the problem is complex or cannot be solved by yourself, it is recommended to contact professional maintenance personnel or Siemens technical support.