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Heat storage gas heating device and heat storage gas heating method

A gas heating device and regenerative technology, which is applied in high-efficiency heating, regenerative heat exchange and heating, and high-temperature fields, can solve problems such as maintenance troubles and low heating efficiency, and achieve thermal efficiency improvement, labor intensity reduction, and preheating temperature Improved effect

Inactive Publication Date: 2015-08-12
DALIAN UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] At present, there are still theoretical problems in the design and operation of this technology, such as: the regenerative furnace and the combustion chamber are still not adapted to its requirements, the daily maintenance is troublesome, and the heating efficiency is low, thus limiting the promotion of this technology

Method used

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  • Heat storage gas heating device and heat storage gas heating method

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Embodiment Construction

[0016] The technical solutions of the present invention will be further specifically described below through the embodiments and accompanying drawings.

[0017] It should be noted here that the descriptions of these embodiments are used to help the understanding of the present invention, but are not intended to limit the present invention.

[0018] figure 1 It is the working flow chart of the first half cycle of the regenerative gas heating device. Gas and air on the left are sprayed into the combustion chamber from the nozzle M1 and burned. The high-temperature flue gas generated enters the regenerator A and heats the regenerator. Since the ceramic regenerator in the regenerator is composed of the same ceramic modules stacked and connected in series, heat transfer to each other is hindered, so the temperature difference between the inlet and outlet of the regenerator is extremely large, and the temperature of the flue gas drops rapidly below 200°C, and finally passes through ...

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Abstract

The invention belongs to the field of the heat-storage heat exchanging and heating, and relates to a gas heat-storage heating device. The gas heat-storage heating device comprises two partition-type porous ceramic heat storage chambers, a low-temperature four-way reversing valve and a high temperature three-way reversing valve. High-temperature smoke heats a partition-type porous ceramic heat storage body, the heat in the smoke is adequately transferred to the porous ceramic by virtue of the high-efficiency heat exchanging of the smoke and the porous ceramic; low-temperature gas enters the porous ceramic heat storage chambers in a direction opposite to the flowing of the smoke to adequately contact the porous ceramic, and the low-temperature gas is heated to the high temperature. The heat storage gas heating device has the beneficial effects that the gas material is efficiently heated, the structure is simple and compact, flexibility in operation and convenience in overhauling and maintenance can be realized, and the requirement for efficiently heating the gas material at the high temperature in the fields such as petroleum, chemical industry, metallurgy, machinery and the like can be met.

Description

technical field [0001] The invention belongs to the field of regenerative heat exchange and heating, and relates to a gas and air regenerative heating device and method, which can be widely used in the field of high-temperature and high-efficiency heating of various gas materials. Background technique [0002] Regenerative heating technology began to be used in large-scale and high-temperature furnaces such as glass melting furnaces and blast furnace hot blast stoves in the 19th century. Since this technology utilizes the sensible heat of high-temperature flue gas to the greatest extent, the heated air and gas The theoretical combustion temperature and combustion efficiency can be significantly improved, and the calorific value range of available fuels can be expanded. Low calorific value fuels can also be used in high-temperature industrial furnaces. In addition, the preheated gas and air will form a new type of combustion that is completely different from the traditional c...

Claims

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Application Information

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IPC IPC(8): F23D14/02F23D14/14F23D14/66
CPCF23D14/02F23D14/14F23D14/66Y02E20/34
Inventor 李爱民胡超
Owner DALIAN UNIV OF TECH
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