Water recovery system for an internal combustion engine

By designing a water-air recovery system in the internal combustion engine unit, the high-temperature water after cooling is preheated and then exchanged with the high-temperature exhaust gas, which solves the problem of unutilized heat from the high-temperature water and exhaust gas, and realizes multi-level utilization of heat and efficient utilization of resources.

CN224415120UActive Publication Date: 2026-06-26VPOWER ENG SHENZHEN
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
VPOWER ENG SHENZHEN
Filing Date
2025-06-24
Publication Date
2026-06-26

AI Technical Summary

Technical Problem

The heat generated by the high-temperature water after the internal combustion engine is cooled and the heat generated by the high-temperature exhaust gas from combustion are not fully utilized, resulting in a waste of resources.

Method used

Design a water-gas recovery system for an internal combustion engine unit. The system uses a heat exchanger to perform a first heat exchange between cooled high-temperature water and tap water. After preheating, the water enters the boiler and performs a second heat exchange with high-temperature exhaust gas, thus achieving multi-stage utilization of heat.

Benefits of technology

It improves heat utilization, reduces resource waste, and makes full use of the heat from the high-temperature wastewater and exhaust gas of the internal combustion engine unit.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224415120U_ABST
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Abstract

The utility model discloses a water gas recovery system of internal combustion engine set, including heat exchanger, the heat exchanger is equipped with first water inlet and first water outlet, the first water inlet is used for leading into water flow, the first water outlet is provided with first export pipe and second export pipe, and the second export pipe is used for leading out hot water, boiler, the boiler is provided with second water inlet, second water outlet and gas guide pipe, the second water inlet with first export pipe is led through, and the second water outlet is provided with third export pipe, gas guide pipe is used for leading in gas and carrying out heat exchange with the water of boiler. The water gas recovery system of internal combustion engine set of the utility model, the heat exchanger can exchange heat with the water circuit of internal combustion engine set, and the water in the heat exchanger can be preheated and then enters the boiler to carry out secondary heat exchange with high temperature waste gas, and the heat utilization rate is improved.
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