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Composite electroplating solution for alloy steel electric submersible pump

A composite electroplating and submersible pump technology, applied in the direction of electrolytic coatings, coatings, etc., can solve problems such as failure, the service life meets the predetermined requirements, and the service environment of the submersible pump is harsh, so as to meet the requirements and avoid the service life , Improving the effect of adaptability and usability

Inactive Publication Date: 2020-12-11
ANHUI JINWAN PUMP TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the process of oil production in oil fields, the corrosion of submersible electric pumps by underground corrosive media is a common practical problem, which has a huge adverse effect on the performance and service life of pump equipment
Most of the existing anti-corrosion measures are coating organic coatings or coating metal alloys. However, due to the harsh service environment of electric submersible pumps, the current protection measures cannot make their service life meet the predetermined requirements. In fracturing operations, there are Sudden failure problem

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] A composite electroplating solution for alloy steel submersible electric pumps, the main technical method of which is: adding the prepared corrosion-resistant nano-composite material to the electroplating solution, which can form a composite electroplating solution with uniform dispersion and stable suspension. Electroplating to the surface of the alloy steel submersible pump by deposition technology, the corrosion resistance and wear resistance of the formed coating are significantly improved, which has a long-term surface protection effect on the alloy steel submersible pump and can adapt to harsh working environments;

[0016] Specifically, the preparation of the corrosion-resistant nanocomposite includes the following process steps:

[0017] (1) Weigh 6.5 grams of tungsten trioxide and 1.3 grams of graphite powder into a beaker, turn on the magnetic stirrer, add 45 ml of ethylene glycol aqueous solution with a mass concentration of 15% under stirring, and the stirrin...

Embodiment 2

[0025] A composite electroplating solution for alloy steel submersible electric pumps, the main technical method of which is: adding the prepared corrosion-resistant nano-composite material to the electroplating solution, which can form a composite electroplating solution with uniform dispersion and stable suspension. Electroplating to the surface of the alloy steel submersible pump by deposition technology, the corrosion resistance and wear resistance of the formed coating are significantly improved, which has a long-term surface protection effect on the alloy steel submersible pump and can adapt to harsh working environments;

[0026] Specifically, the preparation of the corrosion-resistant nanocomposite includes the following process steps:

[0027] (1) Weigh 6.55 grams of tungsten trioxide and 1.35 grams of graphite powder into a beaker, turn on the magnetic stirrer, add 50 ml of ethylene glycol aqueous solution with a mass concentration of 16% under stirring, and the stirr...

Embodiment 3

[0034] A composite electroplating solution for alloy steel submersible electric pumps, the main technical method of which is: adding the prepared corrosion-resistant nano-composite material to the electroplating solution, which can form a composite electroplating solution with uniform dispersion and stable suspension. Electroplating to the surface of the alloy steel submersible pump by deposition technology, the corrosion resistance and wear resistance of the formed coating are significantly improved, which has a long-term surface protection effect on the alloy steel submersible pump and can adapt to harsh working environments;

[0035] Specifically, the preparation of the corrosion-resistant nanocomposite includes the following process steps:

[0036] (1) Weigh 6.6 grams of tungsten trioxide and 1.4 grams of graphite powder into a beaker, turn on the magnetic stirrer, add 55 milliliters of ethylene glycol aqueous solution with a mass concentration of 18% under stirring, and th...

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Abstract

The invention relates to the technical field of performance research of pumps, and discloses a composite electroplating solution for an alloy steel electric submersible pump. According to the composite electroplating solution, a prepared corrosion-resistant nano composite material is added into a basic electroplating solution, the prepared composite electroplating solution is electrodeposited ontothe surface of the electric submersible pump by using a composite electrodeposition method, and a firm corrosion-resistant coating is formed; and in the preparation process of the corrosion-resistantnano composite material, agglomeration is inhibited through surface modification treatment, the steric hindrance effect can be resisted in the composite electroplating solution, the requirement for adispersing agent is reduced, and the effect of being prone to dispersion is achieved. The comprehensive performance of the coating is remarkably improved, the coating cannot fall off after being usedfor a long time, contact between a corrosive medium and the surface of the electric submersible pump can be effectively isolated, the formed coating is very stable in structure and low in surface energy, can bear large scouring force, has hydrophobicity and pollutant residence resistance, reaction substances are difficult to attach, and even in a high-corrosion and scaling working environment, noreaction is caused.

Description

technical field [0001] The invention belongs to the technical field of pump performance research, in particular to a composite electroplating solution for an alloy steel submersible electric pump. Background technique [0002] The electric submersible pump is a multi-stage centrifugal pump working underground. It is lowered into the well together with the oil pipe. The surface power supply transmits electric energy to the underground submersible motor through the transformer, control panel and power cable, so that the submersible motor drives the multi-stage centrifugal pump to rotate. Convert electrical energy into mechanical energy to lift the well fluid in the oil well to the surface. In the process of oil production in oil fields, the corrosion of submersible electric pumps by underground corrosive media is a common practical problem, which has a huge adverse effect on the performance and service life of pump equipment. Most of the existing anti-corrosion measures are c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25D3/12C25D15/00
CPCC25D3/12C25D15/00
Inventor 余雷
Owner ANHUI JINWAN PUMP TECH CO LTD
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