Planar embedded annular structure and manufacturing process thereof

Abstract

The invention provides a plane embedded annular structure and a manufacturing process thereof. The plane embedded type annular structure comprises a plurality of arc section units, wherein the arc section units are sequentially connected end to end to form the annular structure, each arc section unit comprises an arc section main body, one end of each arc section main body is provided with a special-shaped splicing opening part, the other end of each arc section main body is provided with a special-shaped splicing block part matched with the corresponding special-shaped splicing opening part, the special-shaped splicing opening parts and the special-shaped splicing block parts of the adjacent arc section units are spliced, and a plurality of welding points are arranged at the splicing positions of the special-shaped splicing opening parts and the special-shaped splicing block parts, so that the special-shaped splicing opening parts and the special-shaped splicing block parts can be welded at the welding points. The invention discloses a manufacturing process of a plane embedded type annular structure. The manufacturing process comprises the steps of raw material detection, plate flattening, nesting programming, cutting, product inspection, splicing assembly, laser welding and product flattening. According to the invention, the utilization rate of raw materials is increased, the precision and planeness required by the annular structure in the spiral dehydrator are guaranteed, and the stability is high.

Description

technical field [0001] The invention relates to the field of production and manufacturing of screw stacking dehydrators, in particular to a planar embedded ring structure and its manufacturing process. Background technique [0002] Screw stacking dewatering machine is a common sludge dewatering equipment, which has the characteristics of small footprint and large amount of sludge treatment, and is widely used in sludge in various industries such as municipal sewage, food and beverage, slaughtering and breeding, printing and dyeing, petrochemical, papermaking, etc. dehydration. The working principle of the stacked screw dehydrator is that the fixed ring and the swimming ring are interlaced to form a stacked screw body, and the screw shaft runs through the stacked screw body to form a filtering and pushing device. The front end is the concentration part, and the back end is the dehydration part. The filter slit formed between the rings and the pitch of the screw shaft gradual...

AI Technical Summary

Problems solved by technology

[0003] In the manufacturing and production of the stacked screw dehydrator, in order to ensure the smooth flow of the filtrate from the stacked screw body, the flatness of the fixed ring and the floating ring in the stacked screw body must be less than 0.3mm. The following two methods are usually used in the manufacturing process of the ring. The first one is to cut the stainless steel sheet in a one-time forming method to directly form the fixed ring and the floating ring. In this method, the process is simple and it is easy to control the fixed ring and the floating ring. The flatness of the ring, however, the raw material utilization rate is low, the consumables are large, and the material utilization rate is usually 13.34% to 18.23%, such as Figure 8 As shown; the second one is to cut the fixed ring and the moving ring into sections and then splice and assemble them, and finally fix them by welding to form a ring structure. Pressure resistance, this method requires full penetration of the weld seam, and the large heat input in the welding process can easily lead to deformation; resulting in low yield

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