Possibility of popularization and application of elbow flow meter in alkali production system

Abstract: The information on the possibility of popularization and application of elbow flow meter in the alkali system is provided by excellent flow meter and flow meter manufacturers and quotation manufacturers. Possibility of popularization and application of elbow flowmeter in alkali production system 1. Characteristics of elbow flowmeter The characteristics of elbow flowmeter have been described in detail in the manual of elbow sensor, which can be summarized as follows: Simple structure, The sensor is empty. More flowmeter manufacturers choose models and price quotations. You are welcome to inquire. The following are the details of the article on the possibility of popularization and application of elbow flowmeters in the alkali system. Possibility of popularization and application of elbow flowmeter in alkali production system 1. Features of elbow flowmeter The sensor is empty and has no additional resistance loss; it is durable and wear-resistant, and can maintain a high enough measurement accuracy for a long period of time. Combined with the application of intelligent secondary instruments, the elbow flowmeter can be used as a measurement and assessment instrument; High reproduction accuracy, this feature is especially suitable for the measurement of process flow and control flow; the welding installation method ensures long-term, leak-free and safe travel of the elbow sensor; low requirements for straight pipe sections, it is very convenient to use in narrow devices , strong adaptability; with different elbow materials and appropriate geometric dimensions, the elbow flowmeter can adapt to the flow measurement of most process media and process conditions in the alkali production system; (most process media mentioned here do not include the following Special process media such as: lime emulsion, lye, etc. These two media are easy to deposit and scale, which will block the pressure guiding pipe and are not suitable for flow measurement with elbow flowmeter (it is better to use electromagnetic flowmeter), As for refined brine, ammonia brine, etc., elbow flowmeters can be used for flow measurement, so it can be said that the application range of elbow flowmeters is very broad); 2. It is suitable to use elbow flowmeters for flow measurement devices and Medium 1, kiln gas and furnace gas system a, lime kiln inlet air flow In order to save energy and reduce consumption, the lime kiln blower motor is changed to variable frequency speed regulation, which is used to replace the traditional energy consumption control method of adjusting the cutting and controlling air volume, and its energy saving effect Of course, it is very obvious, but the orifice flowmeter installed to measure the actual air intake of the lime kiln will also cause additional resistance loss and increase the power consumption of the motor. Flow measurement can further reduce the loss of pipeline resistance, thereby achieving better energy saving and consumption reduction. (Due to the large vibration of the blower, the vortex flowmeter cannot be adapted at all.) The control object of frequency conversion speed regulation can be the air pressure entering the lime kiln, or the air flow rate entering the kiln. Some units may not have lime The detection of air flow into the kiln is very unfavorable for the optimal operation of the lime kiln. Using the two parameters of air pressure and air flow can not only easily control the output of the kiln, but also more easily understand the actual resistance in the kiln. Determine the height of the material layer in the kiln. Taking advantage of the fact that the elbow flowmeter does not increase the resistance, it is a practical idea to add the detection of the air flow into the kiln. b. Measurement of steam turbine compressor pumping volume Steam turbine compressor pumping volume (whether it is kiln gas or furnace gas) is a very important process parameter. Due to the relatively large pipeline, it is difficult to install orifice flowmeter, and at the same time Excessive resistance loss will greatly increase the load of the compressor. Therefore, the monitoring of this parameter is abandoned in the design, which is very detrimental to the safe operation of the steam turbine compressor. The elbow flowmeter is especially suitable for the occasions of large pipe diameter, large flow and low pressure (the pressure of carbon dioxide gas at the outlet of the steam turbine compressor is not low). It will not increase the load of the steam turbine compressor. , using our company's on-site transformation technology to transform the existing standard elbow into elbow sensor use, the construction difficulty is very small, and the transformation task can be completed very conveniently. C. It is very important to reasonably allocate limited gas resources. Therefore, the flow rate of the lower gas, middle gas and cleaning gas of the carbonization tower should be checked. Detection is indispensable. Replacing many orifice flowmeters with elbow flowmeters will inevitably greatly reduce the load of steam turbine compressors, which is definitely beneficial to energy saving and consumption reduction. D. Detection of gas flow at the outlet of the light ash calciner The load of the light ash calciner can be realized by controlling the amount of heavy alkali entering the furnace (the heavy alkali is measured with an electronic belt scale or a solid impulse balance). However, for heavy alkali with relatively high water content, it is very difficult to accurately measure solid materials. Therefore,Generally, steam consumption is used to indirectly estimate the actual load level of the calciner.

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