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兖州矿务局南屯煤矿和兖州东方机电有限公司研制了KW1A-8型波控风水喷雾装置。它利用一块薄板接受放炮时产生的冲击波,只要受到0.2公斤的力即可启动二位三通手按阀进行喷雾。采用自制的气控混合阀,在气压的控制下自动完成风水混合喷雾,在井下长距离低水压情况下仍有较好的
Yanzhou Mining Bureau Nantun Coal Mine and Yanzhou Oriental Electrical Co., Ltd. developed a KW1A-8 wave control feng shui spray device. It uses a thin plate to receive shock waves generated when blasting, as long as 0.2 kg of force to start the two three-way hand valve spray. The use of self-made gas-controlled mixing valve, automatic control of Feng Shui in the air pressure under the control of mixed spray, underground water in the case of long-distance low pressure is still better