Corrugated pipe pilot piston steam trap
A bellows, piston type technology, applied in the field of bellows pilot piston steam traps, can solve the problems of small displacement and cannot meet the requirements of large displacement, achieves simple structure, is conducive to recycling and high adjustment sensitivity Effect
Inactive Publication Date: 2010-09-01
LANZHOU UNIVERSITY OF TECHNOLOGY
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Problems solved by technology
With the development of science and technology and the continuous expansion of industrial scale, the requirements for the displacement of steam traps are also increasing. However, the commonly used bellows steam traps have the advantages of high adjustment sensitivity and stable performance. The opening displacement range is small, so the displacement is also small, which cannot meet the use requirements of large displacement
Method used
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Embodiment Construction
[0008] Such as figure 1 Shown, bellows pilot piston type steam trap of the present invention comprises valve body, valve cover, valve plug, is provided with upper valve cover 1, valve plug 10 on valve body 11, the import and export port 1 of valve body 7, II are equipped with pipe threads; the filter screen 8 is set in the downward inclined cavity of the valve inlet end I, and the lower port is tightly sealed with the winding gasket 9 and the valve plug 10 and the filter screen 8 is fixed; the valve seat 6 is installed on the valve body 11 At the upper cavity of the upper chamber, a valve core 3 is installed above the valve seat 6, and a piston 4 is provided in the gap between the valve seat 7 and the valve core 3. A drain tube 5 is connected in the hole of the spool 3, a valve mouth is arranged on the upper end of the spool 3, and a bellows assembly 13 is installed on the valve seat; the upper bonnet 1 and the valve body 11 are threaded. Filter screen 8 is a stainless steel ...
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The invention relates to a corrugated pipe pilot piston steam trap which comprises a trap body, a trap cap and a trap plug, wherein, the trap body 11 is provided with the upper trap cap 1 and the trap plug 10; the inlet end I and the outlet end II of the trap body 7 are respectively provided with pipe threads; a filter screen 8 is arranged in a lower oblique cavity of the inlet end I, and a winding gasket 9 and the trap plug 10 are used for tightly closing a lower port and fixing the filter screen 8; a trap base 6 is installed on an upper cavity of the trap body 11, a trap core 3 is arranged above the trap base 6, and the gap between the trap base 7 and the trap core 3 is provided with a piston 4; a hole in the trap core is connected with a drainage pipe 5, the upper end of the trap core 3 is provided with a trap mouth, and a corrugated pipe assembly 13 is arranged on the trap base; and the upper trap cap 1 is connected with the trap body 11 through threads.
Description
technical field [0001] The invention relates to a steam trap, in particular to a bellows pilot piston type steam trap suitable for large displacement. Background technique [0002] As an important secondary energy source, steam is indispensable in most industrial fields; steam traps are important self-operated control valves to ensure the normal operation of the steam system and save energy. With the development of science and technology and the continuous expansion of industrial scale, the requirements for the displacement of steam traps are also increasing. However, the commonly used bellows steam traps have the advantages of high adjustment sensitivity and stable performance. The opening displacement range is small, so the displacement is also small, which cannot meet the use requirements of large displacement. Contents of the invention [0003] The purpose of the present invention is to overcome the shortcomings of the above-mentioned prior art, and provide a bellows ...
Claims
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Inventor 李树勋王朝富徐登伟李确
Owner LANZHOU UNIVERSITY OF TECHNOLOGY