Integrated temperature and pressure reduction device based on pressure control and working method

By designing an integrated desuperheating and pressure reducing device, and combining a pressure control spring and a limit spring, the problems of complex structure and low control accuracy of existing devices are solved, and efficient and stable desuperheating and pressure reducing of steam is achieved.

CN121676945APending Publication Date: 2026-03-17HARBIN MODERN SOOT BLOWING TECH CO LTD
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Patent Information

Application Number
CN202512033245.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-12-30
Publication Date
2026-03-17

AI Technical Summary

Technical Problem

Existing desuperheating and pressure reducing devices are complex in structure, occupy a large area, are cumbersome to install and debug, and have low control precision, resulting in insufficient steam utilization efficiency and safety.

Method used

It adopts an integrated desuperheating and pressure reducing device, which uses pressure control spring and limit spring combined with inner and outer sealing surface design to achieve precise control and stability of steam pressure. Desuperheating and pressure reducing are achieved by mixing desuperheating water with steam.

Benefits of technology

The simplified device structure improved the efficiency and uniformity of steam desuperheating and depressurization, ensuring the stability and safety of the device and achieving precise pressure control.

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Abstract

The invention provides an integrated temperature and pressure reduction device based on pressure control and a working method, and belongs to the technical field of steam utilization. The problems that in the prior art, temperature and pressure reduction operation of steam is difficult to achieve efficiently and accurately, and the steam utilization efficiency and safety are affected are solved. The temperature and pressure reducing valve comprises a main flowing pipe, a temperature and pressure reducing cavity, an inner sealing face, an outer sealing face and a pressure control spring, a temperature and pressure reducing water inlet is formed in the upper portion of the main flowing pipe, the temperature and pressure reducing cavity is installed in the main flowing pipe, the temperature and pressure reducing water inlet is communicated with the temperature and pressure reducing cavity, and the inner sealing face is arranged on the inner wall of the main flowing pipe. An inner sealing face is arranged on the outer wall of the temperature and pressure reduction cavity, an outer sealing face is arranged on the outer wall of the temperature and pressure reduction cavity and makes contact with the inner sealing face in a matched mode, a plurality of runners are arranged at the tail end of the temperature and pressure reduction cavity, the pressure control spring is installed between the outer wall of the tail end of the temperature and pressure reduction cavity and the inner wall of the flowing main pipe, and the initial state of the pressure control spring is a compressed state. The device is mainly used for reducing temperature and pressure.
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