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Liquid oxygen loading safety system

A safety system and liquid oxygen technology, applied in pipeline systems, equipment loaded into pressure vessels, gas/liquid distribution and storage, etc., can solve problems such as liquid oxygen leakage, avoid liquid oxygen leakage, and reduce liquid oxygen The effect of leakage

Inactive Publication Date: 2019-07-19
山东京博众诚清洁能源有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the liquid oxygen filling process is as follows: liquid oxygen enters from the liquid oxygen storage tank to the inlet of the liquid oxygen pump, and an on-site manual shut-off valve is set at the outlet of the liquid oxygen pump. Once the liquid oxygen tank car is abnormal, or the liquid oxygen tank car Abnormalities at the interface with the liquid oxygen pipeline will cause a large amount of liquid oxygen to leak out. If the operator is far away from the on-site manual shut-off valve, the liquid oxygen pump will still pump out during the period when the operator closes the on-site manual shut-off valve. Liquid oxygen, causing a large amount of liquid oxygen to leak
If the section of the liquid oxygen pipeline from the liquid oxygen pump to the on-site manual shut-off valve is abnormal, the liquid oxygen pump will still pump out liquid oxygen, causing a large amount of liquid oxygen to leak out

Method used

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  • Liquid oxygen loading safety system
  • Liquid oxygen loading safety system

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Experimental program
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Embodiment 1

[0035] see figure 1 , a liquid oxygen loading safety system is provided for the present invention, wherein the liquid oxygen loading safety system includes a liquid oxygen pump 1, a first shut-off valve 2, a first oxygen delivery pipeline 3, an emergency shut-off valve 4, an on-site emergency switch 5 and control system6.

[0036] The outlet of the liquid oxygen pump 1 is connected to the first oxygen delivery pipeline 3, and the outlet of the first oxygen delivery pipeline 3 can be connected to the inlet of the tank car to be loaded with liquid oxygen. The first shut-off valve 2 is installed on the first oxygen delivery pipeline 3, that is, the first The inlet of a cut-off valve 2 is connected with the outlet of the liquid oxygen pump 1, and the outlet of the first cut-off valve 2 can be connected with the inlet of the liquid oxygen tanker to be loaded.

[0037] The emergency shut-off valve 4 is installed on the first oxygen pipeline 3, and the emergency shut-off valve 4 is ...

Embodiment 2

[0044] In yet another embodiment provided by the present invention, the liquid oxygen loading safety system in this embodiment is similar to the liquid oxygen loading safety system in Embodiment 1, and the similarities will not be repeated, only the differences will be introduced .

[0045] In this embodiment, the present invention specifically discloses that the liquid oxygen loading safety system further includes an instrument wind cut-off valve 7 . When the emergency shut-off valve 4 is in the energized state, the instrument air shut-off valve 7 is used to control the on-off of the emergency shut-off valve 4 . Specifically, when the emergency shut-off valve 4 is in the energized and controlled state, the instrument wind through the instrument air cut-off valve 7 controls the switch of the emergency shut-off valve 4, and the internal operation is controlled by the remote console in the main control room through the DCS control system.

[0046] Further, the present invention...

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Abstract

The invention discloses a liquid oxygen loading safety system. The liquid oxygen loading safety system comprises a liquid oxygen pump, a first stop valve, a first oxygen delivery pipeline, an emergency cut-off valve, an on-site emergency switch and a control system, wherein the outlet of the liquid oxygen pump communicates with the first oxygen delivery pipeline, the outlet of the first oxygen delivery pipeline can communicate with the inlet of a to-be-loaded liquid oxygen tank car, the first stop valve is installed on the first oxygen delivery pipeline, the emergency cut-off valve is locatedbetween the outlet of the liquid oxygen pump and the inlet of the first stop valve, and the on-site emergency switch and the control system are both used to control the liquid oxygen pump and the emergency cut-off valve to be switched on and off simultaneously. If something unusual happens, the liquid oxygen pump and the emergency cut-off valve can be controlled to be powered off simultaneously through the on-site emergency switch to avoid liquid oxygen leakage. If an operator is far away from the on-site emergency switch, other operators at a remote operation desk can control the liquid oxygen pump and the emergency cut-off valve to be powered off at the same time through the control system after receiving a notification to avoid liquid oxygen leakage.

Description

technical field [0001] The invention relates to the technical field of liquid oxygen loading, in particular to a safety system for liquid oxygen loading. Background technique [0002] At present, the liquid oxygen filling process is as follows: liquid oxygen enters from the liquid oxygen storage tank to the inlet of the liquid oxygen pump, and an on-site manual shut-off valve is set at the outlet of the liquid oxygen pump. Once the liquid oxygen tank car is abnormal, or the liquid oxygen tank car Abnormalities at the interface with the liquid oxygen pipeline will cause a large amount of liquid oxygen to leak out. If the operator is far away from the on-site manual shut-off valve, the liquid oxygen pump will still pump out during the period when the operator closes the on-site manual shut-off valve. Liquid oxygen, causing a large amount of liquid oxygen to leak out. If the section of the liquid oxygen pipeline from the liquid oxygen pump to the on-site manual shut-off valve ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F17D1/08F17D3/01F17C5/02
CPCF17C5/02F17D1/082F17D3/01
Inventor 苏怀兴栾波
Owner 山东京博众诚清洁能源有限公司