Multi-stage heat extraction cascade heating water source heat pump system
By utilizing the waste heat resources of mine water through a multi-stage heat extraction and cascade heating water source heat pump system, the problem of low energy efficiency in existing technologies is solved, and efficient utilization of mine water waste heat and heating demand are achieved, thereby improving system energy efficiency and stability.
CN224534533UActive Publication Date: 2026-07-21BEIJING ZHONGKUANG BONENG ENERGY SAVING SCI &TECH +2
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- BEIJING ZHONGKUANG BONENG ENERGY SAVING SCI &TECH
- Filing Date
- 2025-08-04
- Publication Date
- 2026-07-21
AI Technical Summary
Technical Problem
Existing heat pump units have low energy efficiency when achieving large temperature difference heat extraction and large temperature difference heating, and cannot effectively utilize the waste heat resources of mine water.
Method used
A water source heat pump system employing multi-stage heat extraction and cascade heating includes at least two heat exchange units and a condenser connected in series. It achieves multi-stage heat extraction and cascade heating by exchanging heat pump working fluid with mine water and user-side media in multiple stages.
Benefits of technology
It improved the system's energy efficiency, enhanced the stability of the heat pump unit, reduced the condensing temperature, increased energy efficiency by 13.3%, and optimized operating conditions.
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Figure CN224534533U_ABST
Abstract
The utility model relates to multistage heat extraction cascade heating's water source heat pump system for multistage heat extraction and cascade heating of mine, its characterized in that, multistage heat extraction cascade heating's water source heat pump system has: heat pump part, it has at least two heat exchange units, each heat exchange unit is connected in series through the communicating pipeline between each other, heat source part, it is set up in the mine pool side, and is connected with heat pump part, is used for conveying heat source side medium to heat pump part, and heat supply part is set up in user end side, and is connected with heat pump part, is used for conveying the user side medium that carries out multistage heat exchange in heat pump part to user end.
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