1 Abstract Networking transformation of the line compressed air pipeline to deliver the line venting compressed air to the line. Through the line air compressor capacity adjustment function and valve control, the line processing air volume is adjusted, and finally, one air compressor is stopped in the case of ensuring normal production, and the compressed air cost is reduced.
Our company has two float production lines, which were put into operation in February 2003 and February 2005 respectively. Each has a compressed air station that provides the required compressed air. In the run we found that float. The suspicion of the mountain is that the original and the first art operation need to vent some of the collapsed air to achieve the vertical stability of the system, so there is a waste of compressed air. In response to this situation, it was decided to carry out pipeline networking transformation of the air compressor stations of the two production lines, and to deliver the line venting compression to the line, and to reduce the number of line air compressors to run the most. Reduce the cost of compressed air during production.
1Reconstruction concept 1.1 The configuration status of the air compressor station equipment before the transformation The equipment can be used to meet the gas test requirements. No spare equipment. The empty wooden body design has several tolerance functions, that is, the air intake adjusting butterfly valve is set, and the opening of the intake valve is adjusted by the servo cylinder to adjust the pressure of the pipe network. When the pipe network pressure exceeds the set pressure 075, the intake butterfly valve can be gradually closed to reduce the amount of compressed air; when the pipe network pressure is lower than the set pressure of 0.75, 1 time, the air intake butterfly can be gradually increased, and the compressed air volume is increased. = This will achieve the purpose of stabilizing the network pressure and energy saving.
Air compressor, Yamato Abraham 1 is made, and åž3 is used.
Since the brand air compressor does not have an air intake regulating valve, when the pipe network pressure exceeds the set pressure of 0 75 rivers, only the solenoid valve diaphragm that is provided by the unloading 1 can be used to declare the intake opening 90. And completely unload the oil cylinder pressure; when the pipe network pressure is low, set the pressure, 75, and then open the intake valve opening directly to the 1 due to the float line compressed air through the solenoid valve diaphragm switching valve of the unloading valve group The gas load often changes, so in the actual operation, in order to avoid the frequent loading and unloading of the air compressor, the air compressor is the effect of the frequent start of the motor and the stability of the subsequent steam control electrical control system, and must be partially compressed. The method of air venting controls the pressure of the stencil network in the 0-time long-term transportation hall, which causes the compressed air to be too wasteful. The purpose of the 1.2 transformation is to transform and connect the compressed air pipeline, and deliver the compressed air delivered by the line to the 1 line. The line air compressor boundary adjustment function and the valve control adjustment line process air volume are met, and finally one air compressor is stopped in the case of ensuring production. Reduce the cost of compressed air. The line air compressor operates under full load and relatively stable conditions without frequent loading and unloading, or artificially venting compressed air, effectively utilizing resources and reducing waste.
2 transformation situation 1 this transformation concept. After careful research, it was decided to renovate the float system air system pipe network of the float company in order to meet the requirements of the process to ensure production safety.
1 pipe networking will pass the line compressed air main pipe, 150 seamless steel into the 1 joint. Speed ​​up the investment to save investment. We used the original factory to protect the old pipe network support by reinforced the compressed air pipe, and installed the necessary valves on the pipe. After the networking is completed, all the venting compressed air of the line can be delivered to the line. Then, the opening degree of the intake valve is reduced by the capacity adjustment function of the line air compressor, and the processing air amount of the two production lines is advanced, and the distribution is adjusted.
After the completion of the network transformation, most of the time the line air compressor station is operated by 3, the air compressor is changed to run 2 air compressors, and the stopped air compressor is only operated when the raw material is dust-removed.
The line still has three air compressors. Compared with before the transformation, in the case of no, plus any operating costs, it is equivalent to less than one power 132 air compressor, the energy-saving benefits are very significant.
3 The progress of the transformation began in April 2005. After one month of transformation and trial production, the equipment operating conditions gradually stabilized under repeated and meticulous adjustments. In the case that the dust removal system of the raw material workshop is not open, the line air compressor station is changed from 3 air compressors to 2 and 1 equipment. The equipment is now running normally.
4 The effect of the transformation was not counted. 74, 1 shield ring water was deactivated. After the completion of the transformation in April 2005, the currents of the three air compressors of the line air compressor station were reduced from the average of 230 people to 230 to 200 people. 1900, the actual electricity consumption of the line air compressor station in May 2005. 7944, 51 still, compared to ä¹ 247942 parent 10 Jia 1! The electricity consumption, the actual power saving of the month 7.6998, 4! . Basically achieved the expected results.
5 Economic Benefit Analysis Energy Saving and Consumption Reduction Analysis This analysis refers to the actual consumption of oil in the 2004 filter oil filter air compressor lubricants, etc., totaling 394 yuan.
3 knots cycle water pain and empty space, the daily need to attach ring water about 740, according to 2 loss calculation, you can save water 1481 per day.
The tap water price is calculated according to 221 yuan 3, and the total amount of 14 or more items can produce direct economic benefits every year. 65 6 Conclusion This network transformation has basically reached the transformation of the air compressor at the line air compressor station. The power consumption of the pressure station has dropped significantly, resulting in good economic benefits. However, this is only the benefit from optimizing the rational configuration of the float company air compressor. The real key to energy saving in air compressors is to find the value of the system waste and the ability to accurately analyze the energy saving potential of the system.
The difficult and inefficiency encountered in the compressed air system is always very noisy and impossible to start. Therefore, the compressed air system equipment is properly evaluated. Comprehensive dynamic management makes it possible for the components of the compressed gas system to fully exert its effectiveness and reduce the comprehensive energy consumption of the empty machine. This is the direction of our technological innovation.
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