Control method and device for heat-adsorption-free air drier

An adsorption dryer and control method technology, applied in the direction of electrical program control, separation methods, chemical instruments and methods, etc., can solve the problem that the adsorption regeneration time of the dryer controller cannot be adjusted, cannot reflect the quality index of the finished product gas of the dryer, and further Air temperature has no control function to achieve the effect of eliminating machine breakage accidents, ensuring reliability and improving quality

Active Publication Date: 2014-10-29
ZHUZHOU YIXING TECH CO LTD
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Problems solved by technology

[0011] The purpose of the present invention is to aim at the existing heatless adsorption drying control method and device of the locomotive air compressor, which cannot reflect the quality index of the finished gas of the dryer, and there is no detection and automatic switching function for the long-term failure of the dryer. The adsorption and regeneration time of the controller cannot be adjusted, and the dryer controller ha

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  • Control method and device for heat-adsorption-free air drier
  • Control method and device for heat-adsorption-free air drier
  • Control method and device for heat-adsorption-free air drier

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Embodiment 1

[0030] by attaching Figure 1-3 It can be seen that the present invention is a heatless adsorption drying control device for a heatless adsorption drying control method of a locomotive air compressor, including a PLC controller 2, a dew point temperature sensor and a pressure dew point sensor 7 are arranged at the air outlet 6 of the adsorption dryer, The dew point temperature at the air outlet and the pressure dew point at the air outlet are monitored by the dew point temperature sensor and the pressure dew point sensor 7; at the same time, a temperature sensor 4 is installed at the air inlet 3 to monitor the air inlet temperature sensor; Pressure sensors 8 are set at 5 places to collect abnormal pressure signals; all sensors are electrically connected to the PLC controller through wires, and the obtained data values ​​are fed back to the PLC controller, and the PLC controller is based on the collected data information of each sensor Controls the operation of the heatless des...

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Abstract

Disclosed is a control method and device for a heat-adsorption-free air drier. A programmable logic controller (PLC) is used as a control center, a dew point temperature and pressure dew point transducer is arranged at an air outlet end, the dew point temperature of the air outlet end and a pressure dew point of an air outlet are monitored through the dew point temperature and pressure dew point transducer, meanwhile, a temperature transducer is arranged at the position of an air inlet, the temperature transducer of the air inlet is monitored, a pressure transducer is mounted at the position of an air control combined valve silencer to collect abnormal pressure signals, data values obtained by all transducers are fed back to the PLC, and the PLC controls the operation of the heat-adsorption-free drier according to collected data information of all transducers.

Description

technical field [0001] The present invention relates to a method and device for controlling the humid air drying of the locomotive air compressor, in particular to a method and device for controlling the drying of the locomotive air compressor without heat adsorption; Dry processing. Background technique [0002] The basic working principle of the heatless adsorption air dryer is the "pressure swing adsorption" method. When the compressed air containing water passes through the adsorption bed at high pressure, the adsorbent absorbs moisture, and at low pressure, the moisture in the adsorbent is "desorbed" and reused. Returning to the gas phase, the sorbent is thus "regenerated" by dehydration. The air for regeneration and desorption comes from a part of the dry gas output by the machine. The main body of the currently used heatless adsorption air dryer is composed of two adsorption towers, inlet valve, exhaust valve, sewage valve, outlet check valve, electric controller, e...

Claims

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Application Information

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IPC IPC(8): G05B19/05B01D53/26B01D53/047
CPCB01D53/261B01D53/0454B01D2259/4566
Inventor 谢成昆刘波周定军周剑周湘浩
Owner ZHUZHOU YIXING TECH CO LTD
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