Wind direction changeable hot air circulating device for three-way catalyst and pre-drier using same
A technology of three-way catalytic converter and hot air circulation, which is applied in the direction of drying gas arrangement, progressive dryer, and device for coating liquid on the surface, etc., which can solve the problems of three-way catalytic converter catalytic efficiency reduction, waste of resources, product quality, and exhaust emissions Problems such as increased back pressure to achieve the effect of shortening the drying time, increasing the scope of use, and preventing breakage
Active Publication Date: 2015-06-10
CHANGZHOU FANQUN DRY EQUIP CO LTD
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Problems solved by technology
[0002] At present, the prior art uses a box-type or mesh belt kiln for the drying of the catalytic converter. During the production and drying process of the three-way catalytic converter, when the carrier is coated with slurry or impregnated with precious metal slurry, the three-way catalytic converter is placed horizontally on these In the equipment, due to the gravitational effect of the slurry, the slurry is segregated to the bottom of the square hole and the slurry coating is uneven, which greatly reduces the catalytic efficiency of the three-way catalytic converter, the labor intensity is high, and the slurry is prone to flow and flow during the drying process. Uneven drying at both ends, resulting in waste of resources and unstable product quality, and increased back pressure of exhaust emissions when the three-way catalyst is used
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[0016] In order to make the content of the present invention more clearly understood, the present invention will be further described in detail below based on specific embodiments and in conjunction with the accompanying drawings.
[0017] Such as Figure 4 , 5 As shown, a three-way catalytic converter can change the air direction hot air circulation device, which includes a control system 1, a circulation fan 2 and a circulation air box 3, the circulation fan 2 is installed on the top of the circulation air box 3, and the circulation fan 2 has an air inlet 2- 1. The first air outlet 2-2 and the second air outlet 2-3, the circulating air box 3 is provided with a first air outlet 3-1, a second air outlet 3-2, an air inlet 3-3 and a flow Through the alternating air ducts 3-4 at both ends of the three-way catalytic converter 4, the circulating air box 3 is also provided with a first switching air valve 5, a second switching air valve 6, a third switching air valve 7 and a fourth...
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The invention discloses a hot air circulation device with changeable air direction for a three-way catalytic converter and a pre-dryer using the device. Circulation device, lifting device and driving device; the conveyor chain device includes the upper conveyor chain assembly and the lower conveyor chain assembly that clamp the three-way catalytic converter. The conveying direction of the device is arranged in sequence, and the lifting device is movably connected with the upper conveying chain assembly so as to drive the upper conveying chain assembly to move up and down, and the three-way catalytic converter can flow through the upper conveying chain assembly through the alternating air channel of the hot air circulation device. and the three-way catalytic converter between the lower conveyor chain components. The invention can improve the uniformity of drying, prevent the waste of slurry, shorten the drying time, improve the drying efficiency and stabilize the quality of the catalytic converter.
Description
technical field [0001] The invention relates to a hot air circulation device with changeable air direction for a three-way catalytic converter and a pre-dryer using the device, which belongs to the technical field of drying equipment and is mainly used for pre-drying the coated three-way catalytic converter carrier. Background technique [0002] At present, the prior art uses a box-type or mesh belt kiln for the drying of the catalytic converter. During the production and drying process of the three-way catalytic converter, when the carrier is coated with slurry or impregnated with precious metal slurry, the three-way catalytic converter is placed horizontally on these In the equipment, due to the gravitational effect of the slurry, the slurry is segregated to the bottom of the square hole and the slurry coating is uneven, which greatly reduces the catalytic efficiency of the three-way catalytic converter, the labor intensity is high, and the slurry is prone to flow and f...
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IPC IPC(8): F26B21/00F26B15/12F25B25/00B05D3/00
Inventor 王成轩范炳洪
Owner CHANGZHOU FANQUN DRY EQUIP CO LTD