Radiation and convection composite heat exchange furnace
A heat exchange furnace and furnace top technology, which is applied in the field of trolley-type heating furnaces, forging and heat treatment composite dual-purpose heating furnaces, can solve the problems of single use of heating furnaces and uneven temperature in the furnace, and achieve uniformity of temperature in the furnace. Effect
Inactive Publication Date: 2015-04-29
吴君
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Problems solved by technology
[0003] Aiming at the problem of single purpose of heating furnace and uneven temperature in the furnace in the prior art, the present invention provides a composite dual-purpose heating furnace for forging and heat treatment, so as to achieve the purpose of dual-purpose heating furnace
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[0010] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0011] Such as figure 1 As shown, the present invention installs gas inlets 13 on the top of the furnace at intervals of 0.5 meters, and two rows of gas inlets 13 are installed in parallel. The tuyeres are installed correspondingly near the gas inlets 13, and the tuyere supply is preheated. hot air7. Each gas inlet 13 and the tuyere are equipped with flux valves 3, each flux valve 3 is automatically controlled by a temperature sensing controller, and the gas release rate is controlled at 100 ~500 Within the range, full combustion can be realized, and the heating power can be adjusted.
[0012] During use, air is delivered to each tuyere by blower 4 after being preheated by waste gas pipeline in the preheating chamber, and coal gas is sent to each coal gas inlet 13 of stove top by the pressure of coal gas generating gas supply device....
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The invention relates to a radiation and convection composite heat exchange furnace, and belongs to the field of machine manufacturing. The conventional forge furnace and the conventional thermal treatment furnace cannot be manufactured together as the temperature uniformity is difficult to unify. The radiation and convection composite heat exchange furnace comprises a plurality of coal gas inlets, blast orifices, flux valves and a temperature sensing controller, wherein the two rows of coal gas inlets are parallelly formed in the top of the furnace; the blast orifices are correspondingly formed in the positions close to the coal gas inlets; the flux valves are mounted at each of the coal gas inlets and each of the blast orifices; the flux valves are automatically controlled by the temperature sensing controller; the coal gas inlets are formed in the top of the furnace at intervals of 0.5 meters; the coal gas release rate is controlled by the flux valves to be within the range of 100-500 m<3> per hour. The coal gas inlets are formed in the top of the furnace to reversely heat the furnace and discharge the exhaust gas, so that the coal gas can be sufficiently combusted, and the functions of the forge furnace and the thermal treatment furnace are integrated together; the exhaust gas is discharged from an exhaust port below the rear tail part of the hearth and then fed to a chimney through an air preheating chamber to be discharged, so that the furnace temperature uniformity and the two purposes in one furnace can be realized.
Description
technical field [0001] The invention relates to a trolley-type heating furnace, in particular to a composite dual-purpose heating furnace for forging and heat treatment, and belongs to the field of mechanical manufacturing. Background technique [0002] The known forging heating furnace is suitable for heating blanks at 900°C to 1300°C. The high temperature generated by heat radiation can still ensure uniform temperature in the heating furnace, while the medium temperature heat treatment furnace is usually equipped with two rows of gas inlets on both sides. One gas inlet is set at one meter, and the temperature in the furnace is mainly controlled by thermal convection. The heating temperature range is below 900 ° C, and its uniformity is difficult to be guaranteed. However, the industry has requirements for the temperature uniformity of both furnaces, and the furnace temperature uniformity is within the range of ±10°C. In addition, the gas at the gas inlet on both sides of ...
Claims
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IPC IPC(8): F27B19/02
Inventor 吴君
Owner 吴君