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High-strength alloy cast aluminum spiral-flow constant-pressure pump material and preparing method and application of high-strength alloy cast aluminum spiral-flow constant-pressure pump material

A technology of helical flow constant pressure pump and high-strength alloy, which is applied to parts, pumps, and pump components of pumping devices for elastic fluids, and can solve problems such as the inability to meet the requirements of light-weight and corrosion-resistant fire-fighting pumps. , to achieve the effect of weight reduction, good corrosion resistance and cost reduction

Active Publication Date: 2016-06-08
SHANDONG HAOAN GOLDTECH NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention aims to solve the technical problem that existing spiral flow constant pressure pump materials cannot meet the lightweight requirements of fire pumps and the petrochemical industry's corrosion resistance requirements for pumps, and provides a high-quality pump with light weight and good corrosion resistance. Strength alloy cast aluminum spiral flow constant pressure pump material and its preparation method and application

Method used

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  • High-strength alloy cast aluminum spiral-flow constant-pressure pump material and preparing method and application of high-strength alloy cast aluminum spiral-flow constant-pressure pump material

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Effect test

Embodiment 1

[0020] The high-strength alloy cast aluminum spiral flow constant pressure pump material is smelted in a 500Kg intermediate frequency induction furnace. The process steps are: (1) tools, ladles, refining agents used in the smelting process, and pre-baked for at least 4 hours. (2) Preheat the medium frequency induction furnace with 60Kw power, and remove impurities on the crucible wall at the same time. (3) Put the high-quality aluminum alloy ingot into the furnace, turn on the electricity and melt it, measure the temperature of the molten aluminum with a thermometer, when the temperature rises to 720-730 degrees Celsius, add the refining agent, install the argon refiner, and start the power supply of the refiner, Refining time is 4 minutes to remove surface slag. (4) Start the power supply of the refining machine, turn on the switch of the argon gas cylinder, adjust the pressure to 0.12 MPa, insert the vent tube into the alloy liquid and start refining and degassing, and the t...

Embodiment 2

[0027] The high-strength alloy cast aluminum spiral flow constant pressure pump material is smelted in a 1000Kg intermediate frequency induction furnace. The process steps are: (1) tools, ladles, refining agents used in the smelting process, and pre-baked for at least 5 hours. (2) Preheat the medium frequency induction furnace with 50Kw power, and remove the impurities on the crucible wall at the same time. (3) Put the high-quality aluminum alloy ingot into the furnace, turn on the electricity and melt it, measure the temperature of the molten aluminum with a thermometer, when the temperature rises to 730-740 degrees Celsius, add the refining agent, install the argon refiner, and start the power supply of the refiner, Refining time is 5 minutes to remove surface slag. (4) Start the power supply of the refining machine, turn on the switch of the argon gas bottle, adjust the pressure to 0.15MPa, insert the vent tube into the alloy liquid and start refining and degassing for 30 m...

Embodiment 3

[0034]The high-strength alloy cast aluminum spiral flow constant pressure pump material is smelted in a 1000Kg intermediate frequency induction furnace. The process steps are: (1) tools, ladles, refining agents used in the smelting process, and pre-baked for at least 5 hours. (2) Preheat the medium frequency induction furnace with 70Kw power, and remove the impurities on the crucible wall at the same time. (3) Put the high-quality aluminum alloy ingot into the furnace, turn on the electricity and melt it, measure the temperature of the molten aluminum with a thermometer, when the temperature rises to 710-720 degrees Celsius, add the refining agent, install the argon refiner, and start the power supply of the refiner, Refining time is 3 minutes to remove surface slag. (4) Start the power supply of the refiner, turn on the switch of the argon gas cylinder, adjust the pressure to 0.10MPa, insert the vent tube into the alloy liquid and start refining and degassing for 25 minutes. ...

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Abstract

The invention relates to a high-strength alloy cast aluminum spiral-flow constant-pressure pump material and a preparing method and application of the high-strength alloy cast aluminum spiral-flow constant-pressure pump material. The technical problem that the requirement for small weight of fire extinguishing pumps and the requirement for corrosion resistance of the pumps of the petrochemical industry cannot be met through an existing spiral-flow constant-pressure pump material is solved. The material comprises, by mass percent, 4.7-5.4% of Cu, 0.05-0.2% of Zr, 0.3-0.5% of Mn, 0.005-0.015% of B, 0.05-0.25% of V, smaller than 0.05% of Mg, 0.15-0.35% of Ti, smaller than 0.15% of Fe, smaller than 0.08% of Si, 0.15-0.25% of Cd and the balance Al. The invention further provides the preparing method and application of the high-strength alloy cast aluminum spiral-flow constant-pressure pump material. The high-strength alloy cast aluminum spiral-flow constant-pressure pump material can be widely applied to the field of manufacturing of spiral-flow constant-pressure pump materials.

Description

technical field [0001] The invention relates to an alloy material and its preparation method and application, in particular to a high-strength alloy cast aluminum spiral flow constant pressure pump material and its preparation method and application. Background technique [0002] The Chinese invention patent application with publication number 104895842A discloses a spiral flow constant pressure pump, which is provided with a pump back cover, a pump body, an impeller, a bearing body and a pump shaft, and the pump back cover is arranged on the rear side of the pump body and Fixedly connected with the pump body, the pump back cover and the pump body together form a pump chamber; the pump shaft extends into the pump chamber, and the impeller is set at the front end of the pump shaft in the pump chamber; a cavity is provided between the pump back cover and the pump shaft The chamber is equipped with a mechanical seal; the bearing body is connected with the pump body, and the pum...

Claims

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Application Information

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IPC IPC(8): C22C21/12C22C21/14C22C21/16C22C1/03C22C1/06C22F1/057F04D29/02
CPCC22C1/026C22C1/03C22C1/06C22C21/12C22C21/14C22C21/16C22F1/057F04D29/026F05C2201/903
Inventor 刘宗安宋飞飞唐德秋
Owner SHANDONG HAOAN GOLDTECH NEW MATERIALS
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