Remote monitoring system for liquid ammonia tank

A remote monitoring system and liquid ammonia technology, applied in general control systems, control/regulation systems, program control, etc., can solve problems such as production shutdown accidents, personal injury to equipment, casualties, etc., to save labor, ensure production safety, Reliable effect

Inactive Publication Date: 2017-03-01
富强
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Once a leakage accident occurs, it will have a great impact on the human body and surrounding facilities. The light one will cause personal injury and equipment damage, and the severe one will cause casualties and production shutdown accidents. The consequences are unimaginable.

Method used

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  • Remote monitoring system for liquid ammonia tank
  • Remote monitoring system for liquid ammonia tank

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Embodiment Construction

[0014] As shown in Figure 1, it is the overall structure diagram of a liquid ammonia storage tank remote monitoring system of the present invention. In the figure, it includes upper computer, PLC, pressure sensor, liquid level sensor, liquid ammonia concentration sensor, sound and light alarm, exhaust fan, solenoid valve, power supply; Ammonia tank remote monitoring screen, alarm screen, data report, trend curve screen, text message setting screen, dual serial port cards are installed on the host computer; Connected, the PLC is connected with an intelligent isolation transmitter; the signal input port of the PLC is respectively connected to the sound and light alarm, exhaust fan, solenoid valve, power supply, and the signal input port of the intelligent isolation transmitter is respectively connected to the pressure sensor, Liquid level sensor, liquid ammonia concentration sensor.

[0015] The PLC adopts Siemens S7-200 series CPU222 AC / DC / Relay type PLC, and the PLC includes ...

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PUM

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Abstract

The invention provides a remote monitoring system for liquid ammonia tank, which has a strong anti-interference capability, practicability and reliability. With the system, processing ability to handle accidents can be increased; manual labor can be saved; and safe and high efficient running of a factory can be ensured. The invention comprises a host computer, a PLC, a pressure sensor, a liquid level sensor, a liquid ammonia concentration sensor, a sound-and-light alarm, an exhaust fan, a solenoid valve and a power supply. The host machine adopts Kingview software to control the liquid ammonia tank remote monitoring picture, the alarm picture, the data reports, and the trend curve graph, and the text message configuring picture. The host machine is provided with a double serial port card. The double serial port card is connected with a text message module; the PLC is connected with the double serial port card of the host machine; the PLC is connected with a smart isolation transmitter. The signal input end of the PLC is connected respectively with the sound-and-light alarm, the exhaust fan, the solenoid valve and the power supply. The signal input end of the smart isolation transmitter is connected respectively with the pressure sensor, the liquid level sensor and the liquid ammonia concentration sensor.

Description

technical field [0001] The invention belongs to the technical field of toxic, flammable and irritating gas storage, and in particular relates to a remote monitoring system for liquid ammonia storage tanks. Background technique [0002] Liquid ammonia is a colorless gas with a pungent smell. It is flammable and easily soluble in water. Ammonia with a concentration of more than 10% falls within the scope of the drug law and is regarded as a secondary drug. Once a leakage accident occurs, it will have a great impact on the human body and surrounding facilities. The light one will cause personal injury and equipment damage, and the severe one will cause casualties and production shutdown accidents. The consequences are disastrous. The liquid ammonia storage tank is a Class III pressure vessel, and the large-capacity liquid ammonia storage tank should be listed as a major hazard for safety management, which is the key task of factory safety supervision and the top priority in pro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/048
CPCG05B19/048
Inventor 富强
Owner 富强
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