Modular Subway Heat Recovery System and Its Control Method
A control method and heat recovery technology, applied in heat recovery systems, heat pumps, refrigerators, etc., can solve problems such as energy waste in subway systems and waste heat in subway tunnels
Inactive Publication Date: 2018-05-18
XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
View PDF5 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0003] In view of the defects or deficiencies of the above-mentioned prior art and the problem of energy waste in the existing subway system, the purpose of the present invention is to provide a modularized subway heat recovery system and its control method. By setting the system of the present invention to control, Convert low-grade waste heat into high-grade heat energy that can be directly used, avoiding waste heat waste in subway tunnels
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment 1
[0040] This embodiment is the simulation data of an island-style subway station when the temperature of the supply and return water is 45 / 50°C, where the distance between adjacent water / air heat pump units is 4.5 meters.
[0041]
[0042] From Example 1, it can be seen that when the air temperature in the subway tunnel is 7-15°C, this solution can still recover a large amount of waste heat, and the recovered waste heat can reach 884-999kw. At this time, the exhaust heat fan is in a stopped operation state, so the amount of exhaust hot air from the subway at this time is zero. It can be seen that the heat recovery effect of the present invention is far superior to the existing subway waste heat recovery system that only recovers the exhaust heat of the subway.
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more PUM
Login to view more Abstract
The invention discloses a modular subway heat recovery system and a control method thereof, comprising a plurality of water / air heat pump units arranged in a tunnel, heat recovery water supply pipes and heat recovery return pipes arranged in a rail top air duct; each water The / air heat pump unit is connected to the heat recovery water supply pipe through the first pipeline, and a second valve is installed on each first pipeline; each water / air heat pump unit is also connected to the heat recovery water supply and return pipe through a second pipeline, A first valve that can be adjusted and shut-off is installed on each second pipe, a temperature sensor is installed below every two adjacent water / air heat pump units, and two water / air heat pumps located at both ends of the heat recovery return pipe A temperature sensor is also respectively arranged on the outside of the air heat pump unit. The invention can not only recover the heat in the piston air and the hot exhaust air, but also effectively recover the heat in the soil around the subway tunnel, and overcome the defect that the existing subway heat recovery system still cannot avoid the waste of a large amount of heat energy.
Description
Technical field [0001] The invention belongs to the technical field of subway heating, ventilation and air conditioning, and specifically relates to a modular subway heat recovery system and a control method thereof. Background technique [0002] In the existing subway system, a large amount of waste heat in the tunnel in winter is directly discharged to the outdoors through piston wind or exhaust hot air, which causes a large amount of energy waste. The recovery of waste heat in the tunnels of the subway system is a necessary means to avoid energy waste. The existing subway heat recovery system usually puts the heat recovery device in the subway exhaust shaft to recover the waste heat. However, this method can only recover the heat in the piston air or exhaust hot air, and cannot recover the soil around the subway tunnel. The heat in the medium still causes a lot of waste heat. Summary of the invention [0003] In view of the above-mentioned shortcomings or deficiencies of the ...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more Application Information
Patent Timeline
Login to view more Patent Type & Authority Patents(China)
IPC IPC(8): F25B30/06F25B49/00
CPCY02B30/52
Inventor 孙婷婷柴永金刘雄李小波
Owner XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
Who we serve
- R&D Engineer
- R&D Manager
- IP Professional
Why Eureka
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Social media
Try Eureka
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap