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Anti-reverse heating method for centralized heat collection and decentralized heat storage solar water heating system

A technology of solar water heating and heating method, which is applied in residential hot water supply systems, heating methods, heating systems, etc., can solve problems such as reverse heating, difficulty in finding the cause, and poor heat medium circulation, and achieve heat exchange efficiency Improvement, engineering design optimization, and avoidance of reverse heating conditions

Inactive Publication Date: 2016-06-01
TIANJIN TENIO ARCHITECTURE & ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the following situations are likely to occur in engineering applications: that is, when the occupancy rate is low, the heat medium circulation is not smooth, and there is a lot of cold water retention in the public heat medium pipe network. The heat in the original water tank is used indoors, which not only affects the heat exchange speed and efficiency, but also causes the indoor electric auxiliary heating device to reversely heat the heat medium in the public pipe network, which greatly increases the electricity bill burden of the early occupants
However, it is often difficult to find the cause of this invisible energy consumption. Therefore, solving the problems of large stagnation and reverse heating in the public pipe network of the solar water heating system is a subject that needs to be studied for engineering design optimization.

Method used

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  • Anti-reverse heating method for centralized heat collection and decentralized heat storage solar water heating system
  • Anti-reverse heating method for centralized heat collection and decentralized heat storage solar water heating system

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Embodiment Construction

[0020] The present invention will be described in further detail below through specific examples. The following examples are only descriptive and not restrictive, and the protection scope of the present invention cannot be limited by this.

[0021] An anti-reverse heating device for a centralized heat collection and decentralized heat storage solar water heating system, which is composed of a public heat medium system and a user heat medium system. The public heat medium system is mainly composed of solar heat collection device 2, solar heat exchange tank 4, and solar control A device 1, a solar heat medium circulating pump 6 and a public heat medium circulating pipe 7 are composed. The solar heat collector is cyclically connected with the solar hot water exchange tank, and a solar primary system circulation pump is connected between the solar heat collector and the solar hot water exchange tank. The outlet end of the solar hot water exchange tank is connected to the solar heat m...

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Abstract

The invention relates to a solar water heating system inversion-preventing heating device which is composed of a public heating medium system and a user heating medium system. The public heating medium system is in circulation communication with the user heating medium system. The heating device is characterized in that a first temperature sensor is arranged on a solar heat exchange water tank, a fourth temperature sensor and a second solenoid valve are arranged at the tail end, connected with the user heating medium circulation pipeline, of the public heating medium circulation pipeline, a third temperature sensor is arranged on a user heat exchange water tank, and a second temperature sensor and a first solenoid valve are arranged at the tail end, connected with the public heating medium circulation pipeline, of the user heating medium circulation pipeline. The invention further discloses the inversion-preventing heating device and an inversion-preventing heating method. The device and method realize dry pipe circulation of the public heating medium circulation pipeline, and the inside of the public heating medium circulation pipeline is maintained at high temperature, so that the retention volume of cold water in the public heating medium circulation pipeline is reduced, and heat exchange efficiency is greatly improved. Meanwhile, the occurrence of inversion heating conditions is effectively avoided, and engineering designs are optimized.

Description

Technical field [0001] The invention belongs to the technical field of solar energy utilization in engineering buildings, and particularly relates to an anti-reverse heating device and method for a concentrated heat collection and dispersion heat storage solar hot water system. Background technique [0002] Centralized heat collection-household heat storage solar water heating system is to centrally place the heat collectors on the building roof, each household is equipped with a relatively independent hot water storage tank, the replacement heat device in the hot water storage tank and the electric auxiliary heating device , Public equipment is centrally placed in the equipment room or on the roof. The heat energy collected by the solar heat collector is transported to the heat exchange device in the indoor hot water storage tank through the circulating pipeline to heat the water in the hot water storage tank. When the sun is insufficient, or the water in the hot water storage ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24D17/00F24D19/10
CPCY02B10/20Y02B10/70
Inventor 刘卫
Owner TIANJIN TENIO ARCHITECTURE & ENG
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