Super large discharge lever float ball type steam drain valve

A floating ball and steam trap technology, used in steam traps, mechanical equipment, etc., to achieve the effects of reliable action, elimination of steam lock, and beautiful appearance

Active Publication Date: 2009-08-26
刘金海
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing lever float steam trap has a displacement of 170T/h at the highest pressure difference of 4.6MPa G, and th

Method used

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  • Super large discharge lever float ball type steam drain valve
  • Super large discharge lever float ball type steam drain valve
  • Super large discharge lever float ball type steam drain valve

Examples

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Example Embodiment

[0021] in figure 1 , 2 , 3, 4, 5, 6, 7, 8, 9, 10: The right end of the valve body 2 is equipped with a large gasket 11 to connect with the valve cover assembly 12, which is fastened by hexagonal head bolts 13. The body 2 and 23 parts of the valve cover are designed according to PN16, using WCB castings. The wall thickness and pressure temperature grade of the valve body meet the requirements of GB / T12224-2005 "General Requirements for Steel Valves". The steering joint 25 and the 90° elbow 24 in the valve cover assembly 12 are vertically welded to the valve cover 23 and communicate with each other, and the flanges 26 are welded horizontally on both sides of the steering joint 25 respectively. The steering joint 25 is made of 304 castings, which is resistant to cavitation and water hammer, and can increase the service life of the trap. The condensate inlet and outlet of the steering joint at both ends are butt welded with a 90° elbow, so that the medium in and out of the trap is tu...

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Abstract

The invention relates to a super large discharge lever float ball type steam drain valve. The invention is characterized in that: the right end of a valve body (2) is connected with a valve cover component (12), a retainer component (4) is arranged at the upper end of the valve body (2) through the valve body, a current plate (16) is fixed at a water inlet at the upper part of the valve cover component (12), the right end of a control frame (37) is connected with a water outlet at the lower part of the valve cover component (12), and a screw plug (22) is arranged at the left lower side of the valve body (2) by penetrating the valve body. A direction changing joint (25) of the valve cover component (12) and a 90 degree elbow (24) are vertical to each other and are welded at a vale cover (23). A bar frame (48) of a control frame component (5) is connected with a fixing plate (55), and the fixing plate (55) is connected with a float ball valve seat (35). An airway tube component (6) is arranged at the left upper side of the control frame (37), and the joint of the airway tube component (6) is internally connected with an automatic air discharge valve (7). With super large water drainage amount under lower operating differential pressure, the invention can replace a condensed water recycle pump, has reliable motion, long service life, low price and high parameter usage and can be maintained on pipelines.

Description

technical field [0001] The present invention relates to a ball float type steam trap, more specifically relates to a super large displacement lever float type steam trap. Background technique [0002] At present, the known ball float type steam traps are of free float type and lever float type, and the large displacement steam traps are all of lever float type. The existing lever float type steam trap has a displacement of 170T / h at a maximum pressure difference of 4.6MPa·G, and a displacement of more than 200T / h in the world when the pressure difference is below 1.0MPa·G. Contents of the invention [0003] The technical problem to be solved by the present invention is to realize a steam trap with low pressure difference and super large displacement, and to provide a super large displacement lever float steam trap with a working pressure range of 0.01MPa·G~0.8MPa·G. It can replace the condensed water recovery pump, and directly recover condensed water by using the working...

Claims

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Application Information

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IPC IPC(8): F16T1/24
Inventor 刘金海
Owner 刘金海
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