A wind box heating chamber for a vertical quenching furnace
A heating chamber and quenching furnace technology, which is applied in the field of hot air circulation system and bellows heating chamber, can solve the problems of affecting the temperature uniformity of equipment flow field, increasing equipment operating costs, and large external dimensions, saving equipment installation space and reducing The effect of sharply changing the number of directions and reducing the pressure loss
Active Publication Date: 2018-04-24
CHINA AVIATION PLANNING & DESIGN INST GRP +1
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Problems solved by technology
Regardless of positive and negative circulation, the air flow direction will produce a 90° bend every time it passes through a plane, the air flow direction will change sharply many times, the flow field will have many eddies, the pressure loss will be large, and the efficiency will be low, thus affecting the temperature uniformity in the flow field of the equipment
At the same time, the equipment has a large size
In the case of the existing multi-plane air valve reversing structure, in order to meet the performance of the equipment, the wind pressure and flow of the fan can only be increased, thereby increasing the power of the fan motor and increasing the operating cost of the equipment
Method used
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Embodiment Construction
[0017] The technical scheme of the present invention will be described in further detail below in conjunction with accompanying drawing and embodiment:
[0018] See attached Figure 2-7 As shown, the bellows heating chamber for the vertical quenching furnace is characterized in that: the inner space of the heating chamber and the opening of the heating chamber are divided into left and right parts by a middle partition 9, and the left part of the heating chamber Fan 6 is installed, the fan air outlet 10 of fan 6 is towards the opening of the left part of the heating chamber, the air suction port 11 of fan 6 is opened on the middle partition 9, towards the right side part of the heating chamber, on the right side of the heating chamber A heater 5 is installed on the rear side above the part, and an arc-shaped forced deflector 7 is installed on the front side below the right part of the heating chamber. At the opening, four reversing air valves are installed at the opening of t...
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The invention discloses an air bellow heating chamber used for a vertical quenching furnace. The heating chamber is opened and closed in a grouped manner by means of a plurality of reversing air valves located on a plane, the reversing function of the flowing direction of airflow is achieved, the number of direction changing times of the airflow and the number of direction changing angles of the airflow are reduced, local pressure losses are reduced, the flow field running efficiency is improved, and the contour size of equipment is reduced. Meanwhile, forced flow guiding plates are additionally arranged in reversing air valve mechanisms so that low-temperature circulating air entering an air suction port of a draught fan and a heater can be made to perform forced heat exchange, heat energy utilization is increased, and the heat efficiency of the furnace is improved. Thus, the number of sharp direction changing times of a hot air flow field is reduced, and pressure losses of circulating hot air are reduced.
Description
technical field [0001] The invention relates to a wind box heating chamber for a vertical quenching furnace, which is mainly used in a hot air circulation system of an aluminum alloy vertical quenching furnace, and belongs to the technical field of product structure. Background technique [0002] In order to achieve the reversing function of the heat circulating air in the existing aluminum alloy quenching furnace, the reversing air valve adopted is a multi-plane reversing structure, such as figure 1 As shown, the four reversing air valves are positive circulation air outlet valve (1), positive circulation air intake valve (2), reverse circulation air intake valve (3), and reverse circulation air outlet valve (4). : The positive circulation air outlet valve (1), the positive circulation air intake valve (2) are opened, the reverse circulation air intake valve (3), the reverse circulation air outlet valve (4) are closed, and the air flows from the working area through the pos...
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IPC IPC(8): C21D9/00
CPCC21D9/0006
Inventor 崔清链孙雨生殷志军
Owner CHINA AVIATION PLANNING & DESIGN INST GRP