Trap

A technology for steam traps and valve bodies, which can be used in steam traps, mechanical equipment, etc., and can solve the problems of large volume, high manufacturing cost, and heavy quality

Inactive Publication Date: 2015-01-07
CHONGQING CHUANWU INSTR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The thermodynamic disc trap has simple structure, small size, light weight, unlimited installation position, low manufacturing cost and cheap price, and is widely used in China, but its energy-saving effect is poor
Compared with thermodynamic disc traps, thermostatic sheet metal traps are larger in size, heavier in weight, and cost more to manufacture, but they have significant energy-saving effects

Method used

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Embodiment Construction

[0011] Such as figure 1 As shown, the steam trap of the present invention includes a valve body, the upper end surface of the valve body is fixed with a valve cover by external bolts, and a valve stem assembly is arranged in the valve body. A valve core frame is fixed in the valve body, and a metal sheet assembly is connected to the valve core frame through inner bolts, and the valve stem assembly passes through the valve core frame and is fixed on the metal sheet assembly. The shape of the metal sheet 1 is rectangular, and it is designed to be used in combination of three metal sheets 1 according to the operating pressure of the trap, the condensate discharge temperature and the discharge capacity. The thermal pulling force generated by the heating of the metal sheet 1 independently acts on the valve stem assembly, so that the steam trap stops discharging. Each metal piece 1 participates in the work sequentially according to the pressure range applied by the metal trap, so t...

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Abstract

The invention relates to a trap which comprises a trap body. A bonnet is disposed on the trap body. A valve rod component is disposed in the trap body. A valve element rack is disposed in the trap body. A metal piece component is mounted on the valve element rack. The valve rod component penetrates the valve element rack to be fixed on the metal piece component. Due to the fact that at least one movable valve block exists in the metal piece component, the movable valve block is a sensitive element and also an action executing part, and different pressure differences are generated above and below the valve block to drive the valve block to open and close the trap according the thermodynamic principle that the flow speed and volume changes are different when steam and condensate pass.

Description

technical field [0001] The invention relates to a valve structure, in particular to a drain valve. Background technique [0002] The basic function of the steam trap is to discharge the condensed water, air and carbon dioxide gas in the steam system as soon as possible; at the same time, it can automatically prevent the leakage of steam to the greatest extent. There are many kinds of steam traps, each with different performance. When selecting a steam trap, its characteristics should first be selected to meet the optimal operation of the steam heating equipment, and then other objective conditions should be considered. The steam trap plays the role of blocking steam and draining water in the steam heating system, which can make the steam heating equipment achieve the highest working efficiency. The thermodynamic disc trap has the advantages of simple structure, small size, light weight, unlimited installation position, low manufacturing cost and cheap price. It is widely u...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16T1/00F16T1/38
Inventor 盛洪
Owner CHONGQING CHUANWU INSTR
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