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Double-circular-truncated-cone black body radiation energy-saving element and preparation and application methods thereof

A black body radiation, desktop technology, applied in the field of double-round desktop black body radiation energy-saving components, can solve the problems of inconvenient replacement of black body components, instability of black body components, rivet damage, etc., to increase stability, improve placement rate, and prolong service life Effect

Inactive Publication Date: 2019-08-02
NORTHEASTERN UNIV
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Problems solved by technology

The temperature in the furnace is very high, and the rivets are easily damaged by the high temperature, resulting in extremely unstable black body components. At the same time, this method is inconvenient to replace black body components, and it is not advisable

Method used

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  • Double-circular-truncated-cone black body radiation energy-saving element and preparation and application methods thereof
  • Double-circular-truncated-cone black body radiation energy-saving element and preparation and application methods thereof
  • Double-circular-truncated-cone black body radiation energy-saving element and preparation and application methods thereof

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Embodiment Construction

[0047] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the relationship between the components in a certain posture (as shown in the accompanying drawings). Relative positional relationship, movement conditions, etc., if the specific posture changes, the directional indication will also change accordingly.

[0048] In this embodiment, a black-body radiation energy-saving element is retrofitted to a ceiling-mounted heating furnace. Special-shaped bricks of 300×300×300mm are hung on the top of the heating furnace. From this, the size of the blackbody radiation energy-saving element can be determined. Made as attached figure 1 and figure 2The shown double round table type black body radiation energy saving element.

[0049] The included angle between the busbar and the axis of the first hollow circular platform 1 and the second hollow circular platform 2 i...

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Abstract

The invention belongs to the technical field of industrial kiln energy saving and discloses a double-circular-truncated-cone black body radiation energy saving element and preparation and applicationmethods thereof. The element comprises a bottom plate. A first hollow circular truncated cone and a second hollow circular truncated cone with top openings are arranged at the top of the bottom plate.The second circular truncated cone is located inside the first hollow circular truncated cone and coaxial with the first hollow circular truncated cone. A gap is reserved between the first hollow circular truncated cone and the second hollow circular truncated cone. The first circular truncated cone and the second circular truncated cone are made of refractory black body materials. The structureof the double-circular-truncated-cone black body radiation energy-saving element is proposed according to a satisfactory black body model principle and does not rely on the effect of a surface coating, the phenomena that the blackness of the black body element is decreased, and the radiation heat flow is reduced due to coating ageing are avoided, and the service life of the black body element is prolonged; and by means of the structural design of the double-circular-truncated-cone black body radiation energy-saving element, the heating furnace hearth radiation heat exchanging area is greatly increased and is approximately 1.5 times that of an ordinary black body element.

Description

technical field [0001] The invention belongs to the technical field of energy saving of industrial furnaces and kilns, and in particular relates to a double-circular table-type black body radiation energy-saving element and its preparation and use methods. Background technique [0002] Currently, in the field of heating furnaces, regenerative heating furnaces, one of the core industrial technologies in the 21st century, have been widely used; infrared coating technology is still in use. On the basis of these energy-saving technologies for heating furnaces, how to further realize energy-saving is the subject and task before us. The temperature in the heating furnace is relatively high, and the temperature is higher than 800K. We generally believe that the radiation heat transfer in the furnace is mainly used, accounting for 90% of the total heat transfer. Enhancing the radiation heat transfer in the furnace is an effective way to save energy and improve the thermal efficienc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F27D1/00F27D1/02F27D1/06F27D1/16
CPCF27D1/0006F27D1/02F27D1/063F27D1/1621
Inventor 冯明杰周帅磊徐凤森郭奕毛成
Owner NORTHEASTERN UNIV
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