Welding method of CO2 flashing tower

A welding method and flash tower technology, applied in welding equipment, arc welding equipment, manufacturing tools, etc., can solve the problems of stress concentration, short life and quality problems of flash tower, and achieve the elimination of stress concentration, quality assurance and operation safety. Effect

Inactive Publication Date: 2014-04-23
JIANGSU MINSHENG SPECIAL EQUIP GRP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But in the prior art CO 2 The welding process of the flash tower has defects such as stress concentration, pores, slag inclusions or cracks in the weld, resulting in CO 2 The life of the flash tower is short, and there are even serious quality problems

Method used

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  • Welding method of CO2 flashing tower
  • Welding method of CO2 flashing tower
  • Welding method of CO2 flashing tower

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Embodiment Construction

[0014] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0015] CO 2 The welding method of the flash tower, the welding material of the head is W707, H09MnNiDR, SJ208DR; the welding method is SMAW, SAW; the welding material of the lug pad and the cylinder is E7018-C2LH8, and the welding method is SMAW; the welding of the skirt The material is J507, H10Mn2, HJ431, the welding method is SMAW, SAW; the welding material of the skirt seat and the cylinder is W707, and the welding method is SMAW.

[0016] Such as figure 1 As shown, the welding material of the head is W707, the specification is Φ4, the drying temperature is 350°C, and the holding time is 1 hour; H09MnNiDR, the specification is Φ3.2, SJ208DR, the drying temperature is 350°C, and the holding time is 1 hour; the welding method is SMAW, The polarity is reversed, the welding material grade is W707, the welding material specification is Φ4, ...

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Abstract

The invention discloses a welding method of a CO2 flashing tower. Welding materials of an end socket are W707, H09MnNiDR and SJ208DR, and the welding method of the end socket is SMAW and SAW. Welding materials of a lifting lug base plate and a barrel body are E7018-C2LH8, and the welding method is the SMAW. Welding materials of a skirt are J507, H10Mn2 and HJ431, and the welding method of the skirt is the SMAW and the SAW. Welding materials of the skirt and the barrel body are W707, and the welding method of the skirt and the barrel body is the SMAW.

Description

technical field [0001] The present invention relates to the technical field of welding, in particular to CO 2 Welding method of flash tower. Background technique [0002] The flash tower is a chemical equipment made of rare metal titanium and other materials and its alloy materials. It has the characteristics of high strength, high toughness, high temperature resistance, corrosion resistance, and light specific gravity; therefore, it is widely used in chemical industry, petrochemical industry, metallurgy, and light industry. , Textile, alkali making, pharmaceutical, pesticide, electroplating, electronics and other fields. But in the prior art CO 2 The welding process of the flash tower has defects such as stress concentration, pores, slag inclusions or cracks in the weld, resulting in CO 2 The flash tower has a short service life and even has serious quality problems. Contents of the invention [0003] In order to solve the technical problems existing in the prior art,...

Claims

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Application Information

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IPC IPC(8): B23K9/02B23K9/235B23K9/095
CPCB23K9/0026B23K9/095
Inventor 李明飞严怀保杨伟张艳波李艳刘娣何乔丹王亚男
Owner JIANGSU MINSHENG SPECIAL EQUIP GRP
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