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Pipeline switching-on and switching-off device and system

A technology of opening and closing devices and pipelines, which is applied in the direction of valve devices, valve operation/release devices, valve details, etc., and can solve problems such as inaccurate flow control and poor safety

Active Publication Date: 2018-09-28
DALIAN COSCO KHI SHIP ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In view of this, the present invention provides a pipeline opening and closing device and its pipeline opening and closing system to at least solve the problems of inaccurate flow control and poor safety in existing pipeline valves.

Method used

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  • Pipeline switching-on and switching-off device and system
  • Pipeline switching-on and switching-off device and system

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Embodiment Construction

[0027] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present invention. Rather, they are merely examples of means consistent with aspects of the invention as recited in the appended claims.

[0028] see figure 1 It is a pipeline opening and closing device, which includes: a valve body 1, a valve cover 2 is installed on the upper port of the valve body 1, and a threaded through hole 21 is arranged in the center of the valve cover 2, and the threaded through hole 21 is facing the upper port of the valve body 1, a support plate 3 is fixed above the valve cover 2, and a mounting hole 31 coaxial with the ...

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Abstract

The invention discloses a pipeline switching-on and switching-off device and system. According to the switching-on and switching-off device, a valve is switched on and switched off in the manner thatan air bag driven by a lead screw and a hose serves as a valve element of the traditional valve, and the purpose of switching on and switching off a pipeline is achieved. Specifically, an air compressor serves as an air source, the air bag is inflated or the air in the air bag is discharged by controlling air discharging and air feeding of the air compressor, and then switching-off, switching-on and flow adjustment of the pipeline are achieved. To facilitate air inflation and air discharging of the air bag, the pipeline switching-on and switching-off device is further internally provided witha lead screw stepping motor, rapid air inflation and rapid air discharging of the air bag can be realized through match between the lead screw stepping motor and the air compressor, and rapid adjustment of the flow is realized. The air bag serves as the valve element of the valve for the first time, and compared with a previous metal valve element, the air bag valve element has the advantages of being resistant to impurities, capable of realizing stepless adjustment of the flow, long in service life, precise in flow adjustment and the like.

Description

technical field [0001] The invention discloses the technical field of a pipeline switch, in particular to a pipeline opening and closing device and a pipeline opening and closing system thereof. Background technique [0002] There are various intricate piping systems on ships and other buildings, and various flow media (some even high temperature, strong corrosive and other dangerous fluids) flow among them. [0003] At present, most of the control valves are manually operated, and there are the following problems: the flow cannot be accurately controlled; if the time between opening and closing is long, it is easy to forget to close the valve in time, causing the flow to exceed the target value, resulting in production errors; When the flowing medium is a high-temperature or highly corrosive dangerous liquid, once the operation is wrong, it is easy to cause bodily injury to the operator and bring serious consequences. [0004] In view of this, how to develop a new pipeline...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K7/10F16K31/04F16K31/12F16K37/00
CPCF16K7/10F16K31/047F16K31/12F16K37/00
Inventor 智广信薛国良
Owner DALIAN COSCO KHI SHIP ENG
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