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Production method of spiral plate type cooler cylinder for transformer

A spiral plate type and manufacturing method technology, applied in the direction of transformer/inductor cooling, etc., can solve problems affecting welding quality, deformation on both sides of the steel plate, etc., and achieve the effects of improving production efficiency and product quality, saving welding costs, and small weld seams

Active Publication Date: 2015-03-04
申达电气集团浙江换热器有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During operation, the cooperation of relevant tools is required, and the deformation on both sides of the steel plate that is prone to spiral channels will affect the welding quality.

Method used

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  • Production method of spiral plate type cooler cylinder for transformer
  • Production method of spiral plate type cooler cylinder for transformer
  • Production method of spiral plate type cooler cylinder for transformer

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Embodiment Construction

[0030] A method for manufacturing a cylinder of a spiral plate cooler for a transformer, comprising the following steps:

[0031] 1) if figure 1 and figure 2 As shown, prepare a steel plate 1, the steel plate 1 is divided into three parts, the front and rear parts of the steel plate 1 are respectively the front channel area 11 and the rear channel area 12, the middle part is the bending area 13, and the upper side of the steel plate in the front channel area 11 is welded with The spacer column 2, the lower side of the steel plate in the rear channel area 12 is welded with the spacer column 2, and the upper and lower sides of the bending area 13 in the middle are flat steel plates;

[0032] 2) Four round steel bars 3 are prepared, and the lengths of the four round steel bars 3 are respectively adapted to the lengths of the left and right sides of the steel plates 1 in the front channel area 11 and the rear channel area 12;

[0033] 3) if image 3 and Figure 4 In the proce...

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Abstract

The invention discloses a production method of a spiral plate type cooler cylinder for a transformer. The cylinder comprises rolled plates for welding fixed-distance columns on the same phase surfaces of two layers of steel plates, wherein the two layers of the steel plates are rolled to form two channels; the two sides of the steel plates of the two channels are respectively welded and closed by round steels; the two layers of the steel plates are rolled through a plate rolling machine; when the two layers of the steel plates are rolled on the plate rolling machine, the round steels are positioned at the two sides of the steel plates of the two channels; the round steels and the two layers of the steel plates are synchronously rolled to form a cylinder structure; and the round steels at the two sides of the steel plates of the two channels are welded and closed. As the round steels and the steel plates are synchronously rolled through the plate rolling machine, the consistency is good, the deformation phenomenon is not generated at the two sides of the steel plates of the spiral channels, the welding quality is improved, and the appearance beauty is improved; and in addition, the labor is largely reduced, the safety is improved, the production efficiency and the product quality are improved, and the product cost is reduced.

Description

technical field [0001] The invention belongs to heat exchange equipment, and relates to a strong oil-water cooling device for transformer oil cooling. Background technique [0002] Spiral plate cooler is a new type of widely used heat exchange equipment. It has a series of advantages such as high heat transfer efficiency, small resistance loss, stable and reliable operation, compact structure, and low price. At present, it has been widely used in petrochemical refrigeration, organic chemical food, dye alkali production, pharmaceutical, machinery, metallurgy and other industrial sectors. It has been used as a transformer cooler for the first time in China for nearly 20 years, and the effect is very good. [0003] The spiral plate strong oil-water cooler is made of two coiled plates with a thickness of 2-3mm, which are rolled into two spiral bodies in each direction in a uniform direction. In the two channels, there is a heat carrier (oil and water) in a full countercurrent ...

Claims

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Application Information

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IPC IPC(8): B23P15/26H01F27/08
CPCB23P15/26H01F27/08
Inventor 吴松炎
Owner 申达电气集团浙江换热器有限公司
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