A waste heat recovery heat pump system for industrial exhaust steam

By designing an S-shaped strip inner plate and a multi-stage filtration structure, the waste heat recovery heat pump system solves the problem of insufficient recovery of industrial exhaust steam heat, achieves efficient heat exchange and clean heat source supply, and improves system energy efficiency and reliability.

CN224517503UActive Publication Date: 2026-07-17TONGFANG KAWASAKI ADVANCED ENERGY SAVING MACHINE
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Patent Information

Application Number
CN202521103783.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-30
Publication Date
2026-07-17
Estimated Expiration
2035-05-30

AI Technical Summary

Technical Problem

In existing technologies, the waste heat from industrial exhaust steam is not fully recovered, resulting in low efficiency, high cooling water consumption, high power consumption, complex systems, and high maintenance costs.

Method used

A waste heat recovery heat pump system including an S-shaped strip inner plate and a multi-stage filtration structure was designed. By extending the contact path between exhaust steam and circulating water and removing impurities through multi-stage filtration, efficient heat exchange and clean heat source supply are achieved.

Benefits of technology

It improves the energy efficiency ratio of the heat pump system, reduces equipment investment and power consumption, simplifies the system structure, reduces maintenance costs, and enhances the overall energy utilization rate and system reliability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present disclosure relates to the technical field of heat pump, and one embodiment of the present disclosure provides an industrial waste steam waste heat recovery heat pump system, which comprises a heat pump and a treatment box, the treatment box is arranged outside the water pump, an air inlet pipe and a water inlet pipe are arranged on the treatment box, an air inlet filter assembly is arranged at one end of the air inlet pipe, the water inlet pipe is connected with the heat pump, a waste heat recovery assembly is arranged in the treatment box, the waste heat recovery assembly comprises an inner plate arranged in the treatment box, a plurality of water channels are formed in the inner plate, main water pipes and auxiliary water pipes are arranged at two ends of the top of the inner plate respectively, and the auxiliary water pipes are connected with the water inlet pipe. Through the above technical scheme, the technical problem that the efficiency is very low in the prior art, a large amount of waste steam waste heat is wasted without being fully recovered, a large amount of cooling water is consumed in the process, the continuous operation of the circulating pump and the cooling tower leads to high power consumption, and the production cost of enterprises is greatly increased is solved.
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Claims

1. An industrial steam exhaust heat recovery heat pump system, characterized by, include: The heat pump (1) body and the processing box (2) are arranged outside the heat pump (1) body; An air inlet pipe (3), a water inlet pipe (4), and an air inlet filter assembly (6) are provided. The air inlet pipe (3) and the water inlet pipe (4) are both installed on the processing box (2). The air inlet filter assembly (6) is installed at one end of the air inlet pipe (3). The water inlet pipe (4) is connected to the main body of the heat pump (1). Waste heat recovery assembly (5), wherein the waste heat recovery assembly (5) is disposed inside the processing box (2); The waste heat recovery component (5) includes an inner plate (5-1), which is disposed inside the processing box (2). The inner plate (5-1) has several water channels (5-2) in it. The top two ends of the inner plate (5-1) are respectively provided with a main water pipe (5-3) and a secondary water pipe (5-4), and the secondary water pipe (5-4) is connected to the water inlet pipe (4).

2. The industrial steam exhaust heat recovery heat pump system of claim 1, wherein, A pair of air chambers (5-5) are provided in the inner plate (5-1), and the air chambers (5-5) are located on both sides of the water pipe. External pipes (5-6) are provided on both sides of the inner plate (5-1), and the external pipes (5-6) are connected to the air chambers (5-5).

3. The industrial steam exhaust heat recovery heat pump system of claim 2, wherein, One end of each of the pair of external pipes (5-6) is connected to a connecting air pipe (5-7), one of the connecting air pipes (5-7) is connected to the air inlet pipe (3), and the inner plate (5-1) is distributed in an S-shaped strip structure inside the processing box (2).

4. The industrial steam exhaust heat recovery heat pump system of claim 1, wherein, The filter assembly (6) includes a filter box (6-1), a waste steam inlet pipe (6-2) is provided on one side of the filter box (6-1), one end of the filter box (6-1) is connected to the air inlet pipe (3), and a top cover (6-3) is installed on the top of the filter box (6-1).

5. The industrial steam exhaust heat recovery heat pump system of claim 4, wherein, The bottom of the upper cover (6-3) is provided with a first filter element (6-4) and a second filter element (6-5), and the bottom of the upper cover (6-3) is provided with a grid mesh (6-6), which is located on the side close to the exhaust steam inlet pipe (6-2).

6. The industrial steam exhaust heat recovery heat pump system of claim 5, wherein, The filter box (6-1) is provided with a pair of sleeves (6-7) on both sides. A stud (6-8) is connected to the sleeve (6-7) by a threaded connection. A pressure plate (6-9) is rotatably fitted to the upper end of the stud (6-8). The pressure plate (6-9) is attached to the top of the upper cover (6-3).

7. The industrial steam exhaust heat recovery heat pump system of claim 1, wherein, The processing box (2) is provided with docking flanges (7) on both sides and with flow hoods (8) on both sides, and the flow hoods (8) are connected to the interior of the processing box (2).

8. A waste heat recovery heat pump system for industrial exhaust steam according to claim 5, characterized in that, The surfaces of the grid (6-6), the first filter element (6-4), and the second filter element (6-5) are all sealed and fitted to the inner wall of the processing box (2).