Efficient flash tank

By introducing an annular diverter and filter cover into the flash tank, the problems of small fluid contact area and incomplete vapor-liquid separation are solved, achieving efficient flash evaporation and complete vapor-liquid separation, and facilitating equipment cleaning.

CN224270175UActive Publication Date: 2026-05-26WUHAN HAIHUA PETROCHEMICAL EQUIP MFG CO LTD
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Patent Information

Application Number
CN202521054442.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-27
Publication Date
2026-05-26
Estimated Expiration
2035-05-27

AI Technical Summary

Technical Problem

In existing flash tanks, the high-temperature fluid has a small contact area with air, resulting in low flash vaporization efficiency, incomplete vapor-liquid separation, and easy re-aggregation of mixed substances, leading to low vaporization efficiency.

Method used

A high-efficiency flash tank was designed, comprising a tank body, a removable top cover, a fluid distribution device, and a filter cover. The contact area between the fluid and air is increased by the annularly distributed diversion pipes and spray nozzles, and impurities are adsorbed by the filter cover. The removable structure facilitates cleaning.

Benefits of technology

It improves flash evaporation efficiency and vapor-liquid separation effect, ensures uniform fluid distribution, effectively intercepts impurities, achieves thorough vapor-liquid separation, and makes the equipment easy to clean.

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Abstract

Uniform distribution and efficient flash evaporation of fluid are achieved through reasonable structural design, a detachable upper sealing cover is arranged at the top of a tank body, a liquid inlet pipe and an exhaust port are formed in the upper sealing cover, a liquid outlet is formed in the bottom of the tank body, a fluid distribution device is arranged in the tank body, the fluid can be evenly distributed, the contact area between the fluid and air is increased, and the flash evaporation efficiency is improved. A filter cover is sleeved on the periphery, impurities can be adsorbed and intercepted, and the vapor-liquid separation effect is improved; a limiting slot is formed in the bottom in the tank body to fix the filter cover, the bottom is in a concave arc shape to facilitate uniform distribution and discharge of liquid, a limiting block is arranged on the upper sealing cover to fix the filter cover, and a separation cover is arranged on the lower side to separate vapor and liquid phases. The flash tank is convenient to clean and ensures long-term stable operation.
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