Water return device of hot water boiler

By designing a water return device for a hot water boiler, using a combined structure of steam pipes and water tanks, the heat of steam discharged from the boiler is used to heat the water in the water tank, and the heated water is reflowed into the boiler through a high-pressure water pump, solving the problem that the existing boiler return device fails to effectively recover steam, achieving efficient utilization of resources and improving boiler efficiency.

CN222634553UActive Publication Date: 2025-03-18EVERBRIGHT IND TECH JIANGSU CO LTD
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Patent Information

Application Number
CN202420489383.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-13
Publication Date
2025-03-18
Estimated Expiration
2034-03-13

AI Technical Summary

Technical Problem

The return water device of the existing shell type oil-fuel gas hot water boiler fails to effectively recycle the steam discharged from the boiler, resulting in waste of resources and inefficient boilers.

Method used

A return water device for a hot water boiler is designed. The discharged steam is introduced into the water tank through the first steam pipe and the second steam pipe, and the heated area is increased by using the coil, the heat of the steam is used to heat the water in the water tank, and the heated water is reflowed into the boiler through a high-pressure water pump to circulate.

Benefits of technology

The steam discharged from the boiler is effectively recycled and utilized, which reduces natural gas consumption, improves the working efficiency of the boiler, reduces environmental pollution, and increases economic benefits.

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Abstract

The utility model provides a water return device of hot water boiler, including boiler and base, the boiler includes boiler body and burner, boiler body right side is equipped with the water replenishing mouth, boiler body upper end is equipped with the first steam pipe, the side of first steam pipe is equipped with the second steam pipe, one end of second steam pipe is equipped with the connecting pipe, and the connecting pipe is equipped with the water supply mouth. A water tank is arranged at one end of the connecting pipe; a high-pressure water pump is arranged on the side edge of the water tank, a water outlet pipe is arranged at the output end of the high-pressure water pump, one end of the water outlet pipe is connected with a water supplementing opening, and a water pumping pipe is arranged at the input end of the high-pressure water pump. Heated water is pumped into the boiler again through the high-pressure water pump, hot steam is ingeniously and efficiently recycled, and through utilization of the hot steam and hot water, the consumption of natural gas can be greatly reduced, and economic benefits are greatly increased.
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