Device for controlling high-pressure compressed air to be converted into low-pressure compressed air

A compressed air and control device technology, applied in gas/liquid distribution and storage, pipeline systems, mechanical equipment, etc., can solve problems such as energy waste in compressed air systems, reduce system energy consumption, reduce startup power, and save energy. Effect

Inactive Publication Date: 2013-10-02
SHANGHAI DAZHONG XIANGYUAN POWER SUPPLY
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Problems solved by technology

[0003] The invention provides a compressed air high-pressure to low-pressure control device, which can send the excess high-pressure air to the low-pressure system after decompression, and can keep the pressure of the high-pressure system stable, and solves the problem of energy waste in the compressed air system. It is practical, Stable, easy to observe and easy to operate

Method used

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  • Device for controlling high-pressure compressed air to be converted into low-pressure compressed air

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Embodiment Construction

[0014] based on the following figure 1 , specifically explain the preferred embodiment of the present invention.

[0015] Such as figure 1 As shown, the present invention provides a compressed air high pressure to low pressure control device, the control device is arranged between the high pressure compressed air system 1 and the low pressure compressed air system 2, and the control device includes the high pressure compressed air system 1 and the low pressure compressed air system 2 communication pipe 101, and the high-pressure side cut-off valve 102, pressure sensor 103, pressure reducing valve 105, regulating valve 106 and low-pressure side cut-off valve 107 arranged on the communication pipe 101 from the high-pressure side to the low-pressure side in sequence, including circuit connections The pressure sensor 103 and the controller 105 of the regulating valve 106 (using a PID regulator, the model is Hongrun: NHR1300).

[0016] The pressure sensor 103 on the high-pressure...

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Abstract

The invention relates to a device for controlling high-pressure compressed air to be converted into low-pressure compressed air. The control device is arranged between a high-pressure compressed air system and a low-pressure compressed air system; the control device comprises a communicating pipe used for communicating the high-pressure compressed air system and the low-pressure compressed air system, and a pressure sensor, a pressure reducing valve and a regulating valve which are sequentially arranged on the communicating pipe from the high-pressure side to the lower-pressure side; and the control device also comprises a controller which is connected with the pressure sensor and the regulating valve by a circuit. The device can send the surplus high-pressure air into the low-pressure system after reducing the pressure of the high-pressure air, and maintains the pressure of the high-pressure system to be stable, thus solving the problem of energy waste of the compressed air systems, and being practical, stable and convenient to observe and operate.

Description

technical field [0001] The invention relates to a control device for converting compressed air from high pressure to low pressure. Background technique [0002] The high-pressure and low-pressure compressed air systems of the plant are currently operating independently of each other. Several high-pressure air compressors form a high-pressure compressed air system, and several low-pressure air compressors form a low-pressure compressed air system. Due to the limitation of equipment capacity configuration during the operation of high-pressure system or low-pressure system, the air supply volume of compressed air is almost impossible to completely match the actual air consumption, and generally the air supply volume is greater than the air consumption volume. In order to keep the system pressure stable, some air compressors will vent (discharge excess compressed air) or idle (the motor runs but does not generate compressed air). Since air compressors are high-power electrical...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F17D3/01
Inventor 谭军
Owner SHANGHAI DAZHONG XIANGYUAN POWER SUPPLY
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