CN105506343A - High-pressure nozzle - Google Patents

Abstract

The invention discloses a high-pressure nozzle. The high-pressure nozzle comprises a metal main body made from an alloy material, wherein the alloy material comprises the following ingredients: 1-2% of Se, 0.9% of S, 1.2% of Bi, 0.5% of Ni, 0.8% of Sc, 1.4% of Mo and the balance of Cu and unavoidable impurities. The alloy material is prepared by the following steps: 1), fusing Cu, Se, Cu-S alloy and Cu-Bi alloy at a protective atmosphere; 2), regulating the temperature to 925DEG C, adding Cu-Ni alloy, Cu-Sc alloy and Cu-Mo alloy into melt, mixing uniformly, and standing at the temperature for 32 minutes; and 3), introducing argon, standing the melt, cooling the melt to 675DEG C, and die-casting so as to obtain the alloy material. The high-pressure nozzle has excellent properties, such as high strength, corrosion resistance and wear resistance, and can be used for a long term.

Description

High pressure spray nozzle

Technical field

The present invention relates to high pressure spray nozzle.

Background technology

Tunnel work under bad environment, higher to the performance requriements of high pressure spray nozzle, particularly require higher to the intensity of high pressure spray nozzle, anti-oxidant, corrosion-resistant, abrasion-resistant, heat-resisting, cold-resistant, weather resistance.

Summary of the invention

The object of the present invention is to provide a kind of high pressure spray nozzle, it is lightweight, anti-oxidant, corrosion-resistant, intensity is high, abrasion-resistant, heat-resisting, cold-resistant, weather resistance is excellent, can life-time service.

For achieving the above object, technical scheme of the present invention is a kind of high pressure spray nozzle of design, and comprise metal master, described metal master is made up of alloy material, and by weight percentage, the composition of this alloy material is:

Se:1～2%，

S:0.9%，

Bi:1.2%，

Ni:0.5%，

Sc:0.8%，

:1.4%，

Surplus is Cu and inevitable impurity;

Described alloy material is prepared as follows:

1) by Cu, Se and Cu-S alloy, the melting under protective atmosphere of Cu-Bi alloy;

2) temperature is adjusted to 925 DEG C, adds Cu-Ni alloy, Cu-Sc alloy and Cu-in melt alloy, stirs, and insulation leaves standstill 32 minutes;

3) pass into argon gas, left standstill by melt and be cooled to 675 DEG C, die casting obtains alloy material.

Preferably, high pressure spray nozzle, comprises metal master, and described metal master is made up of alloy material, and by weight percentage, the composition of this alloy material is:

Se:1%，

S:0.9%，

Bi:1.2%，

Ni:0.5%，

Sc:0.8%，

:1.4%，

Surplus is Cu and inevitable impurity;

Described alloy material is prepared as follows:

1) by Cu, Se and Cu-S alloy, the melting under protective atmosphere of Cu-Bi alloy;

2) temperature is adjusted to 925 DEG C, adds Cu-Ni alloy, Cu-Sc alloy and Cu-in melt alloy, stirs, and insulation leaves standstill 32 minutes;

3) pass into argon gas, left standstill by melt and be cooled to 675 DEG C, die casting obtains alloy material.

Preferably, high pressure spray nozzle, comprises metal master, and described metal master is made up of alloy material, and by weight percentage, the composition of this alloy material is:

Se:2%，

S:0.9%，

Bi:1.2%，

Ni:0.5%，

Sc:0.8%，

:1.4%，

Surplus is Cu and inevitable impurity;

Described alloy material is prepared as follows:

1) by Cu, Se and Cu-S alloy, the melting under protective atmosphere of Cu-Bi alloy;

2) temperature is adjusted to 925 DEG C, adds Cu-Ni alloy, Cu-Sc alloy and Cu-in melt alloy, stirs, and insulation leaves standstill 32 minutes;

3) pass into argon gas, left standstill by melt and be cooled to 675 DEG C, die casting obtains alloy material.

Advantage of the present invention and beneficial effect are: provide a kind of high pressure spray nozzle, and it is lightweight, anti-oxidant, corrosion-resistant, intensity is high, abrasion-resistant, heat-resisting, cold-resistant, weather resistance is excellent, can life-time service.

Embodiment

Below in conjunction with embodiment, the specific embodiment of the present invention is further described.Following examples only for technical scheme of the present invention is clearly described, and can not limit the scope of the invention with this.

The technical scheme that the present invention specifically implements is:

Embodiment 1

A kind of high pressure spray nozzle, comprise metal master, described metal master is made up of alloy material, and by weight percentage, the composition of this alloy material is:

Se:1～2%，

S:0.9%，

Bi:1.2%，

Ni:0.5%，

Sc:0.8%，

:1.4%，

Surplus is Cu and inevitable impurity;

Described alloy material is prepared as follows:

1) by Cu, Se and Cu-S alloy, the melting under protective atmosphere of Cu-Bi alloy;

2) temperature is adjusted to 925 DEG C, adds Cu-Ni alloy, Cu-Sc alloy and Cu-in melt alloy, stirs, and insulation leaves standstill 32 minutes;

3) pass into argon gas, left standstill by melt and be cooled to 675 DEG C, die casting obtains alloy material.

Embodiment 2

High pressure spray nozzle, comprises metal master, and described metal master is made up of alloy material, and by weight percentage, the composition of this alloy material is:

Se:1%，

S:0.9%，

Bi:1.2%，

Ni:0.5%，

Sc:0.8%，

:1.4%，

Surplus is Cu and inevitable impurity;

Described alloy material is prepared as follows:

1) by Cu, Se and Cu-S alloy, the melting under protective atmosphere of Cu-Bi alloy;

2) temperature is adjusted to 925 DEG C, adds Cu-Ni alloy, Cu-Sc alloy and Cu-in melt alloy, stirs, and insulation leaves standstill 32 minutes;

3) pass into argon gas, left standstill by melt and be cooled to 675 DEG C, die casting obtains alloy material.

Embodiment 3

High pressure spray nozzle, comprises metal master, and described metal master is made up of alloy material, and by weight percentage, the composition of this alloy material is:

Se:2%，

S:0.9%，

Bi:1.2%，

Ni:0.5%，

Sc:0.8%，

:1.4%，

Surplus is Cu and inevitable impurity;

Described alloy material is prepared as follows:

1) by Cu, Se and Cu-S alloy, the melting under protective atmosphere of Cu-Bi alloy;

2) temperature is adjusted to 925 DEG C, adds Cu-Ni alloy, Cu-Sc alloy and Cu-in melt alloy, stirs, and insulation leaves standstill 32 minutes;

3) pass into argon gas, left standstill by melt and be cooled to 675 DEG C, die casting obtains alloy material.

The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (3)

1. high pressure spray nozzle, is characterized in that, comprises metal master, and described metal master is made up of alloy material, and by weight percentage, the composition of this alloy material is:

Se:1～2%，

S:0.9%，

Bi:1.2%，

Ni:0.5%，

Sc:0.8%，

:1.4%，

Surplus is Cu and inevitable impurity;

Described alloy material is prepared as follows:

1) by Cu, Se and Cu-S alloy, the melting under protective atmosphere of Cu-Bi alloy;

2) temperature is adjusted to 925 DEG C, adds Cu-Ni alloy, Cu-Sc alloy and Cu-in melt alloy, stirs, and insulation leaves standstill 32 minutes;

3) pass into argon gas, left standstill by melt and be cooled to 675 DEG C, die casting obtains alloy material.

2. high pressure spray nozzle according to claim 1, is characterized in that, comprises metal master, and described metal master is made up of alloy material, and by weight percentage, the composition of this alloy material is:

Se:1%，

S:0.9%，

Bi:1.2%，

Ni:0.5%，

Sc:0.8%，

:1.4%，

Surplus is Cu and inevitable impurity;

Described alloy material is prepared as follows:

1) by Cu, Se and Cu-S alloy, the melting under protective atmosphere of Cu-Bi alloy;

2) temperature is adjusted to 925 DEG C, adds Cu-Ni alloy, Cu-Sc alloy and Cu-in melt alloy, stirs, and insulation leaves standstill 32 minutes;

3) pass into argon gas, left standstill by melt and be cooled to 675 DEG C, die casting obtains alloy material.

3. high pressure spray nozzle according to claim 1, is characterized in that, comprises metal master, and described metal master is made up of alloy material, and by weight percentage, the composition of this alloy material is:

Se:2%，

S:0.9%，

Bi:1.2%，

Ni:0.5%，

Sc:0.8%，

:1.4%，

Surplus is Cu and inevitable impurity;

Described alloy material is prepared as follows:

1) by Cu, Se and Cu-S alloy, the melting under protective atmosphere of Cu-Bi alloy;

2) temperature is adjusted to 925 DEG C, adds Cu-Ni alloy, Cu-Sc alloy and Cu-in melt alloy, stirs, and insulation leaves standstill 32 minutes;

3) pass into argon gas, left standstill by melt and be cooled to 675 DEG C, die casting obtains alloy material.