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A marine boiler safety valve

A technology for marine boilers and safety valves, which is applied in the direction of safety valves, valve details, balance valves, etc., can solve problems such as inability to release pressure in time and inflexible work of safety valves, and achieve increased discharge, rapid pressure relief, and increased opening height Effect

Active Publication Date: 2015-09-09
JIANGSU SHAZHOU VALVE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the structural design of the general safety valve, when the pressure is too high, the safety valve does not work flexibly and cannot release the pressure in time.

Method used

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  • A marine boiler safety valve
  • A marine boiler safety valve

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Experimental program
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Effect test

Embodiment Construction

[0017] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0018] Such as Figure 1-2 As shown, a marine boiler safety valve includes a valve body 1, on which a liquid inlet 101, a liquid outlet 102, and two valve core 4 holes 103 are arranged. The spool 4 holes 103 communicate with each other, the spool 4 holes 103 are provided with a spool 4 seat 2, and the outside of the spool 4 seat 2 top is threadedly connected with an adjusting ring 3. The valve core 4 seat 2 is provided with a movable valve core 4 mechanism, and the valve core 4 mechanism includes a valve core 4 , a valve stem 5 disposed on the valve core 4 and a pressure control device 6 disposed on the valve stem 5 .

[0019] The valve core 4 is provided with stepped holes, including a threaded hole 401 with a smaller diameter on the upper part and a round hole 402 with a larger diameter on the lower part. Platform 502, the distance from th...

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Abstract

The invention discloses a boiler safety valve for a ship. The boiler safety valve for the ship comprises a valve body; the valve body is provided with a liquid inlet, a liquid outlet and a valve core hole, the liquid inlet and the liquid outlet are communicated through the valve core hole, and a valve core mechanism is arranged inside the valve core hole. The valve core mechanism comprises a valve core, a valve rod arranged on the valve core and a pressure control device arranged on the valve rod, wherein the top of the valve core penetrates out of the valve body, the valve rod is connected with a valve seat in a sealed mode, and the pressure control device is arranged on the portion of the valve rod, which penetrates out of the valve body. A valve core seat is arranged inside the valve core hole, the valve core is movably arranged on the valve core seat, the outside of the sealing surface of the valve core is provided with an upper round-arc-shaped groove, and the outside of the upper surface of the valve core seat is also provided with a lower circular-arc-shaped groove which corresponds to the upper circular-arc-shaped groove. The boiler safety valve for the ship can effectively keep the boiler steam pressure stable.

Description

technical field [0001] The invention relates to a marine boiler safety valve. Background technique [0002] The marine boiler is a pressure vessel, and its working medium is mostly steam. In order to ensure the stability of the steam pressure, it is necessary to use the boiler safety valve to maintain the pressure stability and prevent the explosion of the boiler due to overpressure and overload. Due to the structural design of the general safety valve, when the pressure is too high, the safety valve does not work flexibly and cannot release the pressure in time. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a marine boiler safety valve that can effectively maintain the stability of the steam pressure of the boiler, check the flexibility of the valve disc, and manually relieve the pressure. [0004] In order to solve the above technical problems, the technical solution adopted in the present invention is: a ma...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16K17/04F16K17/168F16K35/00
Inventor 郭亚徐许强赵力强刘哲
Owner JIANGSU SHAZHOU VALVE CO LTD
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