How to monitor sodium carbonate concentration online?
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Our company needs to prepare sodium carbonate solutions in quantities of 10 to 20 tons per hour, with a concentration of 10 to 30%, and at a temperature below 100°C. These sodium carbonate solutions contain small amounts of organic substances (benzyl alcohol). How can the sodium carbonate concentration be monitored online? Is it more accurate to calculate concentration by measuring density or by measuring conductivity? Which cost-effective manufacturers are available domestically and internationally? What is the specific model? What’s the general price range?
Detector. It seems like there is one. You can search on Baidu.
Measuring density – reliable. . . Density and concentration can also be measured simultaneously. But for joint testing, you need to first provide the functional relationship or relational table of the relevant parameters. . . Of course, there are also some simplified methods for concentration control. . . This brother will take the train. I’ll apply the texture in the evening.
To measure density – I really want to do it accurately on a long-term basis. The equipment costs around 20,000 yuan; it’s something that can be afforded. There are also quite a few being sold for 50,000 or 80,000. Those that sell cheaply are definitely of poor quality – just inferior items used to fill quantities.
Bad items keep coming up, forcing you to evaluate them and leaving you exhausted.
A bunch of pictures, coming to launch an attack. . . They come from the pigsties, equipped with a two-in-one 2-second flash density analyzer (Intrinsic Safety, explosion-proof)
We use online analyzers imported from the United States here, but the maintenance costs are quite high; replacing an electrode costs 2,000 yuan, and the replacement cycle is 3 to 5 months. Once you choose this option, otherwise you’ll have to go through calibration from time to time, which is really annoying!
Of course, the maintenance cost for good equipment is high. That’s nothing for you; you just want to buy a Ferrari. The maintenance costs are in a completely different league compared to those of a Chery QQ.
Laser online concentration analyzers are preferable, as they can detect dozens of different substances at the same time. Basically maintenance-free.
Please provide the company information and contact details, and I’ll give you a Yokogawa model
Shifang Jiekong Electromechanical http://www.dyjkjd.com/index.html CL100 series conductivity and pH concentration meters, of flow-type design with DN25 flange connections. The measuring element does not come into direct contact with the medium being measured, and there is no polarization effect; it is particularly suitable for measuring the concentration of highly corrosive media such as strong acids, strong bases, and salts. These instruments are widely used in power generation plants, the chemical industry, metallurgy, pharmaceuticals, food processing, and environmental protection sectors for continuous online monitoring of acid, alkali, and salt concentrations or conductivity, as well as in CIP processes for the food and beverage industry. I. Main Technical Specifications 1. Measurement Range a) Concentration Measurement Media Hydrochloric acid Sulfuric acid Nitric acid Sodium hydroxide Saltwater Concentration Range (%) 0～5 0～10 25～40 0～5 0～25 35～80 94～99.5 0～25 35～50 0～5 0～10 25～40 0～4 27～30 Note: The above media are not the only options; for other media, separate charges will apply for the generation of conductivity curves. b) Conductivity: 0～50(mS/cm) ； 0～200(mS/cm) ； 0～500 ； 0～1000(mS/cm) ； c) Temperature: 0～150℃ ； Instrument accuracy: Class 1.0 ； Temperature compensation range: 0～150℃ ； Temperature coefficient compensation range: 30 steps (0～9.99)%/℃ (adjustable) ； Concentration linearization: 30 segments ； Maximum operating temperature of the measurement probe: 150℃ ； Maximum operating pressure of the measuring probe: 10 MPa ； The measurement probe is made of polymer materials with excellent corrosion resistance, making it suitable for all acids, bases, and salts ；