Multi-element gas co-permeation strengthening system and process
A gas and co-infiltration technology, which is applied in metal material coating process, coating, solid diffusion coating, etc., can solve the problems of long cooling time consumption of cooling protection unit, restricting heat treatment efficiency of workpiece, and insignificant cooling effect.
Inactive Publication Date: 2020-10-30
江苏良川科技发展有限公司
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Problems solved by technology
However, the cooling protection unit in the above system consumes a long cooling time, and the cooling effect is not significant, which restricts the heat treatment efficiency of the workpiece
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[0029] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0030] Such as Figure 1-4 As shown, a multi-component gas co-infiltration strengthening system of the present invention includes a sequentially connected feeding unit, a ventilation unit, a temperature-raising pre-infiltration unit, a multi-component gas co-infiltration strengthening unit, a cooling protection unit, and a discharge unit. The protection unit includes a bracket, a transmission device and a spray device;
[0031] The upper surface of the support 1 is provided with a placement groove 2 along its length direction, and the bottom of the placement groove 2 is provided with a filter screen 3;
[0032] Described conveying device comprises several conveying rollers 4, is connected by chain between described several conveying rollers 4, and the conveying roller 4 near one end of feeding port on support 1 is connected with external drivi...
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The invention relates to a multi-element gas co-permeation strengthening system. The multi-element gas co-permeation strengthening system includes a feeding unit, a gas exchange unit, a heating pre-permeation unit, a multi-element gas co-permeation strengthening unit, a cooling protection unit and a discharging unit which are connected in sequence. The cooling protection unit includes a bracket, aconveying device and a spraying device, a placing groove is formed in the upper surface of the bracket in the length direction, and a filter screen is arranged at the bottom of the placing groove. The conveying device includes a plurality of conveying rollers, the spraying device includes a protective shell and a plurality of high-pressure spray heads, the protective shell is arranged on the upper surface of the bracket and covers the placing groove, and the high-pressure spray heads are arranged at the top of the inner wall of the protective shell and are connected to an external water source through a pipeline. The invention further relates to a multi-element gas co-permeation strengthening process. According to the multi-element gas co-permeation strengthening system and process, the cooling protection unit can perform rapid conveying and spray cooling on light pole parts, so that the cooling efficiency and quality are improved.
Description
technical field [0001] The invention relates to the technical field of workpiece heat treatment, in particular to a multi-component gas co-infiltration strengthening system and its technology. Background technique [0002] All the equipment or production lines involving amino atmosphere in the heat treatment industry are box-type or pusher-type equipment or production lines, but such equipment or production lines cannot realize the heat treatment of large and super-large objects such as road light poles and communication towers. At the same time, the current low-temperature heat treatment usually adopts nitriding, soft nitriding, carbonization and other methods. These methods not only have a single infiltration element, a long infiltration time, a shallow infiltration layer, and poor comprehensiveness, but also easily lead to poor corrosion resistance, wear resistance and hardness of the treated parts. good. [0003] The Chinese invention patent with the publication number ...
Claims
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IPC IPC(8): C23C12/02
CPCC23C12/02
Inventor唐国良
Owner江苏良川科技发展有限公司