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High-pressure ship side valve

A broadside, high-pressure technology, applied in the field of high-pressure side valves, can solve the problems that the side valve does not have the functions of preventing seawater backflow and monitoring seawater backflow, so as to increase the monitoring of seawater backflow, improve the sealing effect, and reduce noise.

Inactive Publication Date: 2018-11-30
九江中船消防设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a high-pressure side valve, which solves the problem that the existing side valve does not have the functions of preventing seawater backflow and monitoring seawater backflow. High-pressure air system pipelines, causing potential safety hazards, have the characteristics of monitoring and preventing seawater backflow, reducing high-pressure air flow noise, and improving sealing effect

Method used

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  • High-pressure ship side valve
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Embodiment Construction

[0014] The device includes a valve body 1, such as Figure 1-Figure 3 As shown, the valve body 1 is provided with a lower valve stem assembly 2, and the lower end surface of the lower valve stem assembly 2 forms a soft seal with the seam surface of the valve body 1; the outer side of the lower valve stem assembly 2 is sleeved with a bushing 3 , the upper end of the bushing 3 is provided with a bonnet 4 set on the lower valve stem assembly 2, the bonnet 4 is fixed on the upper end of the valve body 1 through bolts, and a sleeve 5 is also fixedly installed in the bonnet 4, the lower valve stem assembly 2 The upper end of the valve body 1 is connected to the lower end of the upper valve stem 6 through the sleeve 5; a check valve assembly 7 is arranged on one side of the lower valve stem assembly 2 in the valve body 1, and the upper left side of the valve body 1 is threaded. A discharge valve assembly 8 is installed; the check valve assembly 7 includes a valve disc assembly 9, a s...

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Abstract

The invention discloses a high-pressure ship side valve. The high-pressure ship side valve comprises a valve body. The valve body is internally provided with a lower valve rod component. The lower endface of the lower valve rod component and an opening blocking face of the valve body form soft seal. The outer side of the lower valve rod component is sleeved with a bushing. The upper end of the bushing is provided with a valve cover sleeves the lower valve rod component. The valve cover is fixed at the upper end of the valve body through a bolt. A sleeve is further fixedly installed in the valve cover. The upper end of the lower valve rod component is connected with the lower end of an upper valve rod through the sleeve. One side, positioned on the lower valve rod component, in the valve body is provided with a check valve component. A release valve component is installed above the left side of the valve body in a threaded mode. The high-pressure ship side valve is capable of, on the basis of a current ship side valve, designing a diameter-reducing type high-pressure air inlet, reducing noise is facilitated; through increasing a soft seal structure, improving the sealing effect isfacilitated; and through increasing the release valve component, increasing functions of such kind of the valve of monitoring seawater intrusion and preventing the seawater intrusion.

Description

technical field [0001] The invention relates to a high-pressure side valve. Background technique [0002] The high-pressure side valve is a type of valve installed on the pressure-resistant hull and applied to the ballast water tank of the ship. The existing side valves are all sealed with metal hard seals, and the sealing effect is not good when used in high-pressure environments; in addition, the existing side valves do not have the functions of preventing seawater backflow and monitoring seawater backflow. Once the side valve seal fails or gets stuck, Seawater will pour back into the high-pressure air system pipeline from the non-return port, causing potential safety hazards. Contents of the invention [0003] The purpose of the present invention is to provide a high-pressure side valve, which solves the problem that the existing side valve does not have the functions of preventing seawater backflow and monitoring seawater backflow. The pipeline of the high-pressure a...

Claims

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Application Information

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IPC IPC(8): F16K1/32F16K15/08F16K17/06F16K17/164F16K47/02
Inventor 王超宁柯知勤孙平张惺华张细军
Owner 九江中船消防设备有限公司
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