Safety backflow device
A backflow device and safety technology, applied in the direction of branch pipelines, pipes, pipes/pipe joints/fittings, etc., can solve the fuzzy detection of whether the pressure pipeline exceeds the pressure of the pipeline, and it is difficult to effectively protect the safety of related equipment and production personnel , Vacuum pump damage and other problems, to reduce and overpressure operation risk, prevent overpressure operation risk, and protect personal safety
Inactive Publication Date: 2018-11-27
新日域(湖南)机电制造有限公司
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[0003] However, the above methods can only vaguely detect whether the pressure pipeline exceeds the pressure of the pipeline at most, and it is difficult to effectively protect the safety of related equipment and production personnel; at the same time, the pressure gauge must be calibrated at regular intervals, which may delay the normal op
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[0019] In order to enable those skilled in the art to better understand the technical solution in the application, the technical solution in the embodiment of the application will be clearly and completely described below, obviously, the described embodiment is only a part of the embodiment of the application , but not all examples. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.
[0020] It should be noted that when an element is referred to as being "fixed" or "disposed on" another element, it may be directly disposed on another element or indirectly disposed on another element; when an element is referred to as being "connected" It may be directly connected to another element or indirectly connected to another element.
[0021] It is to be understood that the terms "length", "width", "top", "bottom", "front", "rear", "l...
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The invention discloses a safety backflow device. Compared with the prior art, the safety backflow device comprises a pipeline connecting portion, a first pipeline branch, a pressure stabilization andflow leakage mechanism and a backflow pipeline component, the pipeline connecting portion is mounted on a pump outlet, the first pipeline branch is communicated with the pipeline connecting portion,the pressure stabilization and flow leakage mechanism is mounted on the first pipeline branch and used for discharging liquid in the first pipeline branch, and the backflow pipeline component is communicated with the pressure stabilization and flow leakage mechanism and an oil injection box. When system pressure exceeds safety pressure, the pressure stabilization and flow leakage mechanism acts, oil reflows into the oil injection box through the backflow pipeline component, an inspection worker sees action of the pressure stabilization and flow leakage mechanism to show that the pressure of apipeline is excessive, and a machine can be timely stopped to maintain the pipeline, so that the device pipeline and related safety workers are protected. Compared with the prior art, the safety backflow device can effectively decrease and prevent overpressure running risks, the stable running period of the device is prolonged, and the device pipeline and personal safety of the related safety workers are effectively protected.
Description
technical field [0001] The present application relates to the technical field of mechanical instruments, and more specifically, relates to a safety backflow device. Background technique [0002] At present, in many industries, especially the petrochemical industry, it is necessary to conduct a pressure test on the pipeline before installation and use. Among them, the pipeline that leads the internal pressure value of the equipment and system to the pressure gauge or pressure sensor is called the pressure induction pipe. . In the prior art, people usually install a pressure gauge at the outlet of the pump to detect whether the outlet pressure of the pump exceeds the operating pressure by a large amount, so as to judge whether the pressure introduction pipeline is blocked. [0003] However, the above methods can only vaguely detect whether the pressure pipeline exceeds the pressure of the pipeline at most, and it is difficult to effectively protect the safety of related equip...
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Inventor 潘江朱三江
Owner 新日域(湖南)机电制造有限公司