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Desuperheating and decompressing device for steam

A technology for reducing temperature and decompression, and steam, which is applied in pipeline systems, mechanical equipment, gas/liquid distribution and storage, etc., to achieve good atomization quality, ensure equipment performance, and low noise and vibration

Inactive Publication Date: 2007-07-18
周长城 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to overcome the problems existing in the existing steam desuperheating and decompression device method, and provide a compact structure, good desuperheating water atomization effect, good decompression effect, less erosion to equipment, low noise and low leakage. , Steam temperature and pressure reduction device with a wide range of load adjustment

Method used

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  • Desuperheating and decompressing device for steam
  • Desuperheating and decompressing device for steam

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Embodiment Construction

[0017] The present invention will be further described below in conjunction with accompanying drawings and examples.

[0018] The electric actuator 1 can be driven by an electric motor or a cylinder as the power source. The electric actuator 1 and the desuperheating water flow regulating valve 3 are commercially available qualitative products. The valve stem 21 is made of stainless steel and is a cage valve. Core 24, steam inlet valve cover 25, structural steam outlet mouthpiece 26 are all made of stainless steel, and steam delivery pipe 27 is made of heat-resistant steel or carbon steel.

[0019] Structurally, the present invention is composed of an electric actuator 1 , a desuperheating and pressure reducing valve 2 , a desuperheating water flow regulating valve 3 and a temperature, pressure and flow regulating system 4 . The temperature and pressure reducing valve 2 includes a valve stem 21, a casing 22, a casing 23 installed on the upper part of the steam delivery pipe 27,...

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Abstract

The present invention belongs to the field of energy saving and comprehensive heat energy utilizing technology. The steam temperature and pressure lowering apparatus has electric executing mechanism connected to temperature and pressure lowering valve, temperature lowering water flow regulating valve connected to the temperature lowering water atomizer, and temperature, pressure and flow rate regulating system connected to the electric executing mechanism. It features the casing of the temperature and pressure lowering valve with water inlet pipe, hollow rod capable of sliding axially inside the casing, and casing pipe around the hollow rod. The hollow rod has tangent holes corresponding to the exit of the water inlet pipe, is connected to the electric executing mechanism and has one end connected with one cage type valve core, which has porous wall and is matched with steam inlet valve jacket in porous structure.

Description

technical field [0001] The invention relates to a temperature and pressure reduction device for a steam supply system, which belongs to the technical field of energy saving and heat energy comprehensive utilization equipment manufacturing. Background technique [0002] Currently known steam temperature reduction and pressure reduction devices used in steam supply systems use throttling of steam fluid to reduce steam pressure, and spray water into steam to achieve temperature reduction. Although a specially designed decompression and cooling system is used, there are problems of complex structure and complicated system. The high-energy jet generated in throttling is not only not effectively utilized, but often causes erosion and damage to the structure with its high-intensity energy. Vibration and noise, the process of cooling and spraying water is often due to the defects of the existing design, the atomization effect is not good when the device is under low load, there are ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F17D3/00F17D1/06
Inventor 孙克俭
Owner 周长城
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