阅读说明：本技术 特高压电力传输用焊接导电杆生产工艺 (Production process of welding conducting rod for extra-high voltage power transmission ) 是由 仇玉平 于 2019-10-21 设计创作，主要内容包括：本发明公开了一种特高压电力传输用焊接导电杆生产工艺,本发明的优点：生产的导电杆规格多样,适用性强,适应性好,生产产品质量好,生产过程耗能低、污染小。(The invention discloses a production process of welded conducting rods for extra-high voltage power transmission.)

1. The production process of the welding conducting rod for extra-high voltage power transmission is characterized by comprising the following steps of: the method comprises the following steps:

step 1: putting a brass raw material into a closed mixed melting furnace for melting, keeping the melting temperature at 1100-1300 ℃, and continuing to melt for 10-16 minutes after electrolytic copper is completely melted;

step 2: adding 0.5-0.8 part of aluminum antimony alloy powder and 1-1.4 parts of beryllium aluminum alloy powder into molten copper liquid, and smelting for 35-45 minutes while keeping the temperature of the molten copper liquid at 1100-1200 ℃;

step 4, arranging a ventilation inlet at the bottom of the closed mixed melting furnace, arranging a ventilation outlet at the top of the closed mixed melting furnace, and in the smelting process in the step 2, introducing mixed gas of nitrogen and carbon oxide into the closed mixed melting furnace through the ventilation inlet, wherein the mixed volume ratio of carbon oxide to nitrogen in the mixed gas of nitrogen and carbon oxide is 1/8, and discharging the mixed gas from the ventilation outlet;

and 5: melting in a closed mixed melting furnace is introduced into an up-drawing continuous casting crystallizer, cooling crystallization is carried out in the up-drawing continuous casting crystallizer through a cooling water system, the water inlet temperature of the cooling water system is lower than 20 ℃, and the water outlet temperature of the cooling water system is lower than 50 ℃;

step 6: selecting pulling devices with different specifications to lead the crystallized conductive copper rod in the upward continuous casting crystallizer out from the top of the upward continuous casting crystallizer, and pulling the conductive copper rod at a speed of 80-100 mm per minute;

and 7: and packaging the manufactured conductive copper rod into a coil.

Technical Field

The invention relates to a production process of welding conducting rods, in particular to a production process of welding conducting rods for extra-high voltage power transmission.

Background

The conducting rod is used for connecting the outgoing line of the transformer coil with an external line and is arranged at the top of the transformer, and the production specification of the prior production technology can not realize diversity and can not improve the adaptability of the conducting rod.

Disclosure of Invention

The invention aims to provide production processes of welding conducting rods for extra-high voltage power transmission.

The technical scheme adopted by the invention is as follows:

the production process of the welding conducting rod for extra-high voltage power transmission is characterized by comprising the following steps of: the method comprises the following steps:

step 1: putting a brass raw material into a closed mixed melting furnace for melting, keeping the melting temperature at 1100-1300 ℃, and continuing to melt for 10-16 minutes after electrolytic copper is completely melted;

step 2: adding 0.5-0.8 part of aluminum antimony alloy powder and 1-1.4 parts of beryllium aluminum alloy powder into molten copper liquid, and smelting for 35-45 minutes while keeping the temperature of the molten copper liquid at 1100-1200 ℃;

step 4, arranging a ventilation inlet at the bottom of the closed mixed melting furnace, arranging a ventilation outlet at the top of the closed mixed melting furnace, and in the smelting process in the step 2, introducing mixed gas of nitrogen and carbon oxide into the closed mixed melting furnace through the ventilation inlet, wherein the mixed volume ratio of carbon oxide to nitrogen in the mixed gas of nitrogen and carbon oxide is 1/8, and discharging the mixed gas from the ventilation outlet;

and 5: melting in a closed mixed melting furnace is introduced into an up-drawing continuous casting crystallizer, cooling crystallization is carried out in the up-drawing continuous casting crystallizer through a cooling water system, the water inlet temperature of the cooling water system is lower than 20 ℃, and the water outlet temperature of the cooling water system is lower than 50 ℃;

step 6: selecting pulling devices with different specifications to lead the crystallized conductive copper rod in the upward continuous casting crystallizer out from the top of the upward continuous casting crystallizer, and pulling the conductive copper rod at a speed of 80-100 mm per minute;

and 7: and packaging the manufactured conductive copper rod into a coil.

The invention has the advantages that: the produced conducting rod has various specifications, strong applicability, good adaptability, good quality of produced products, low energy consumption in the production process and little pollution.

Detailed Description