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Water pump flow control valve

A technology of flow control valve and feed pump, applied in the field of control valve, can solve the problems of cavitation, short service life of control valve, rise of liquid temperature of feed pump, etc., to reduce cavitation and noise, meet market demand, and have high safety performance. Effect

Inactive Publication Date: 2016-05-18
王帅
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The boiler feed water pump is an important equipment of the boiler. When the output flow rate of the feed water pump is less than the specified minimum flow rate, the temperature of the liquid flow of the feed water pump will rise sharply, and even partially vaporize, which will eventually cause the feed water pump to vaporize and fail to operate. The flow regulating valve is the boiler feed water pump. It is an important protection equipment for water pumps, but the control valves on the market currently adopt a throttling and pressure reduction method, which has cavitation and noise, and the life of the control valve is short

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  • Water pump flow control valve

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Embodiment Construction

[0014] see figure 1 As shown, the present invention includes a bracket 2, a valve cover 4, an orifice assembly 7 and a base 13. A rotary valve 1 is arranged on the top of the bracket 2. The rotary valve 1 can be manually rotated or driven by a motor. , the bonnet 4 is arranged on the lower part of the bracket 2, the bonnet 4 is sealed and connected with the bracket 2 through a fastening mechanism 14, the base 13 is arranged under the bonnet 4, and is connected with the bonnet 10 by a fastening bolt 10 The valve cover 4 is sealed and connected, and a valve core 5 is arranged inside the base 13, and the valve core 5 is wrapped by the orifice plate assembly 7, and a valve seat 11 is arranged below the orifice plate assembly 7. A cage 6 is arranged above the orifice plate assembly 7, and the orifice plate assembly 7 and the cage 6 together form a throttling member, which can form multiple pressure reductions, reduce cavitation and noise, and fill the inside of the valve cover 4 9...

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Abstract

A water pump flow control valve comprises a support, a valve cover, a pore plate assembly and a pedestal; the top of the support is provided with a rotate valve; the valve cover is arranged below the support, and sealed with the support through a fastening mechanism; the pedestal is arranged below the valve cover, and sealed with the valve cover through a fastening bolt; a valve core is arranged in the pedestal, and wrapped by the pore plate assembly; a valve seat is arranged below the pore plate assembly; a cage cover is arranged above the pore plate assembly; the upper portion of the valve core is connected with a valve rod; the valve rod is connected with the rotate valve through a connector; the water pump flow control valve employs an assemble type structure, is convenient in maintenance, and high in safety performance.

Description

technical field [0001] The invention relates to a regulating valve, in particular to a flow regulating valve of a feed water pump. Background technique [0002] The boiler feed water pump is an important equipment of the boiler. When the output flow rate of the feed water pump is less than the specified minimum flow rate, the temperature of the liquid flow of the feed water pump will rise sharply, and even partially vaporize, which will eventually cause the feed water pump to vaporize and fail to operate. The flow regulating valve is the boiler feed water pump. It is an important protection equipment for water pumps, but the control valves on the market currently adopt a throttling and pressure reduction method, which has cavitation and noise, and the life of the control valve is short. Contents of the invention [0003] The present invention overcomes the deficiencies of the prior art and proposes a feedwater pump flow regulating valve. The regulating valve is provided wi...

Claims

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Application Information

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IPC IPC(8): F16K1/00F16K1/36F04B53/10
Inventor 王帅
Owner 王帅