Railway turnout snow-melting system based on ground source heat pump

A technology of ground source heat pumps and turnouts, applied in heat recovery systems, roads, rails, etc., can solve the problems of large investment in power capacity expansion, inconvenient installation and maintenance, and high cost of heating elements, achieving high safety and energy saving effects Obvious, lower line temperature effect

Inactive Publication Date: 2016-11-09
LANZHOU JIAOTONG UNIV
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Problems solved by technology

[0005] The purpose of the present invention is to provide a railway turnout snow melting system based on ground source heat pump, aiming to solve the problem of high heating element cost of existing electric hea

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  • Railway turnout snow-melting system based on ground source heat pump

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[0035] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0036] The application principle of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0037] Such as figure 1 Shown:

[0038] A ground source heat pump based railway turnout snow melting system, the ground source heat pump based railway turnout snow melting system includes a hot water pipe 1 in the turnout base, a heat pump unit 2, a vertical buried pipe heat exchanger 3, a circulation pump 4, control valve 5;

[0039] The hot water pipe 1 in the turnout base exchanges heat with the vertical underground pipe through the circulating pump 4 and t...

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Abstract

The invention discloses a railway turnout snow-melting system based on a ground source heat pump. The railway turnout snow-melting system comprises a hot water pipe, a heat pump unit, a vertical buried tube heat exchanger, a circulating pump, a control valve and a control device which are positioned in a turnout base. The railway turnout snow-melting system based on the ground source heat pump, which is provided by the invention, adopts a new energy using mode combining the ground source heat pump with railway turnout snow-melting and icing, and according to the technology, low-level heat energy is extracted from an underground rock-soil layer and after being lifted by the heat pump unit, the heat energy is finally transferred to a turnout, so that requirements for melting snow and deicing are reached. On the other aspect, when the turnout snow-melting system based on the ground source heat pump is used in summer, fluid in a buried tube stores solar radiation heat energy adsorbed by a railway turnout line under the ground by a heat pump technology, and the not only can the heat energy be used for melting snow in winter, but also the temperature of the line can be reduced and bad influence of the high temperature on the turnout is improved.

Description

technical field [0001] The invention belongs to the technical field of natural energy utilization, and in particular relates to a snow melting system for railway turnouts based on ground source heat pumps. Background technique [0002] At present, in the development and application of railway turnout snow melting equipment, electric heating snow melting equipment is mainly used for turnout snow removal, and it has been installed and used on some railway line turnouts; [0003] The electric heating snow melting system automatically controls the heating of the heating strips (rods) installed on the basic rail waist, point rail or upper part of the rail bottom of the turnout, or installed on the sliding bed plate by collecting information such as the temperature, humidity, rain and snow of the turnout on the railway site, so as to realize the heating of the turnout. snow removal. No matter where the electric heating element is installed, it mainly heats the ambient tempera...

Claims

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Application Information

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IPC IPC(8): E01B7/24E01B19/00
CPCE01B7/24E01B19/00Y02A30/30Y02B30/52
Inventor 贺清石磊蓝天
Owner LANZHOU JIAOTONG UNIV
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