Adjustable pilot-operated type steam trap valve
A steam trap and pilot-operated technology, which is applied in steam traps, mechanical equipment, etc., can solve the problems that cannot meet the requirements of medium force in large diameters, and achieve the effects of rapid action, stable performance, and low steam leakage rate
Inactive Publication Date: 2009-09-02
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, industrial production presents a trend of large capacity, high parameters, high efficiency and low consumption, and the requirements for the displacement of steam traps are also increasing. Among the current energy-saving traps: mechanical type The key components of steam traps - floats and floats cannot meet the requirements of the medium force when the diameter is large; the key components of thermostatic steam traps - bimetallic thermal power components are superimposed by multiple groups alone; the liquid expansion type is only based on the volume of thermal power components The increase of the diameter cannot meet the requirements of the medium force when the diameter is large.
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[0008] Such as figure 1 As shown, the adjustable pilot-operated steam trap includes a main valve body 2, and the bottom of the main valve body 2 is provided with a main valve bottom cover 1, which is characterized in that: the main valve body 2 is provided with There is a main valve spool assembly 4, the main valve valve body 2 corresponding to the main valve spool assembly 4 is provided with a main valve valve seat 17, the upper part of the main valve spool assembly 4 is provided with a piston 6, and the lower part of the main valve spool assembly 4 A main valve return spring 3 is provided, a piston sleeve 5 is provided between the piston 6 and the main valve body 2 , and a pilot valve 19 is provided correspondingly on the upper part of the main valve body 2 and the main valve core assembly 4 .
[0009] Described pilot valve 19 comprises the pilot valve valve seat 15 that is located in pilot valve 19, is provided with pilot valve valve core 9 correspondingly with pilot valve ...
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The adjustable pilot-operated type steam trap valve comprises a main valve body 2 and a main valve bottom cover arranged on the lower part of the main valve body 2, and is characterized in that: a valve core component 4 is arranged in the main valve body 2; a main valve seat 17 is arranged in the main valve body 2 corresponding to the main valve core component 4; a piston 6 is arranged at the upper part of the main valve core component 4; a main valve return spring 3 is arranged at the lower part of the main valve core component 4; a piston sleeve 5 is arranged between the piston 6 and the main valve body 2; and the upper part of the main valve body 2 and the main valve core component 4 are provided with a pilot valve 19 correspondingly. The adjustable pilot-operated type steam trap valve adopts a pilot structure composed of a temperature sensitive wax thermodynamic component (thermostatic) and a piston main valve for achieving the functions of overlarge discharge volume and air venting of the steam trap valve; and due to the good performance of the temperature sensitive wax thermodynamic component, the whole valve has the characteristics of rapid movement, high reliability and low rate of steam loss.
Description
technical field [0001] The invention relates to the technical field of a super-large displacement temperature-sensing wax adjustable pilot-operated steam trap, in particular to an adjustable pilot-operated steam trap. 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 steam systems and save energy. With the development of science and technology and the continuous expansion of industrial scale, industrial production presents a trend of large capacity, high parameters, high efficiency and low consumption, and the requirements for the displacement of steam traps are also increasing. Among the current energy-saving traps: mechanical type The key components of steam traps - floats and floats cannot meet the requirements of the medium force when the diameter is large; the key components of thermostatic steam traps - bimetall...
Claims
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IPC IPC(8): F16T1/02
Inventor 李树勋孙冰侯现仓
Owner LANZHOU UNIVERSITY OF TECHNOLOGY