Development and application of supersonic flame spraying technology(3)

       

Exclusive monopoly restricts the promotion and application of explosive spraying technology.

Exclusive monopoly restricts the promotion and application of explosive spraying technology.

Exclusive monopoly restricts the promotion and application of explosive spraying technology.

Exclusive monopoly limiting the promotion and application of explosion spraying technology.

Exclusive monopoly limiting the promotion and application of explosion spraying technology.

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The gas consumption of HVOF technology is very high, the gas supply system is huge, and its promotion and application are restricted.

The gas consumption of HVOF technology is very high, the gas supply system is huge, and its promotion and application are restricted.

The gas consumption of HVOF technology is very high, the gas supply system is huge, and its promotion and application are restricted.

HVOF technology air consumption is very high, a huge gas supply system, promote the use is limited.

HVOF technology air consumption is very high, a huge gas supply system, promote the use is limited.

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Reducing oxygen and fuel consumption has become the main goal of research in this field.

Reducing oxygen and fuel consumption has become the main goal of research in this field.

Reducing oxygen and fuel consumption has become the main goal of research in this field.

Reduce the oxygen and fuel consumption has become the main objective of the research in this field.

Reduce the oxygen and fuel consumption has become the main objective of the research in this field.

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As early as the 1950s, in order to produce high-quality WC-Co thermal spray coatings, Linde Divi-sion Union Carbide developed a spray gun with axial powder feeding water cooling throat combustion.

As early as the 1950s, in order to produce high-quality WC-Co thermal spray coatings, Linde Divi-sion Union Carbide developed a spray gun with axial powder feeding water cooling throat combustion.

As early as the 1950s, in order to produce high-quality WC-Co thermal spray coatings, Linde Divi-sion Union Carbide developed a spray gun with axial powder feeding water cooling throat combustion.

In the early 1950s, for the high quality of the WC-Co thermal spraying coating, Linde Divi-sion Union Carbide developed an axial powder feeding water cooled combustion throat spray gun.

In the early 1950s, for the high quality of the WC-Co thermal spraying coating, Linde Divi-sion Union Carbide developed an axial powder feeding water cooled combustion throat spray gun.

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The advantage of this system is its simple structure, which reduces the surface area of the combustion chamber and thus reduces the heat loss of the spray gun.

The advantage of this system is its simple structure, which reduces the surface area of the combustion chamber and thus reduces the heat loss of the spray gun.

The advantage of this system is its simple structure, which reduces the surface area of the combustion chamber and thus reduces the heat loss of the spray gun.

The advantage of this system is a simple structure, thereby reducing the surface area of the combustion chamber reduces the heat loss of the spray gun.

The advantage of this system is a simple structure, thereby reducing the surface area of the combustion chamber reduces the heat loss of the spray gun.

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The thermal efficiency of this spray gun can reach 80%, that is to say, 80% of the energy released by fuel combustion is converted into effective spray kinetic energy and heat energy.

The thermal efficiency of this spray gun can reach 80%, that is to say, 80% of the energy released by fuel combustion is converted into effective spray kinetic energy and heat energy.

The thermal efficiency of this spray gun can reach 80%, that is to say, 80% of the energy released by fuel combustion is converted into effective spray kinetic energy and heat energy.

This spray gun thermal efficiency can reach 80%, that is, fuel combustion to release 80% of the energy is converted into kinetic energy and heat efficient spraying.

This spray gun thermal efficiency can reach 80%, that is, fuel combustion to release 80% of the energy is converted into kinetic energy and heat efficient spraying.

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Unfortunately, this spraying device with high thermal efficiency has a fatal weakness. In order to maintain stable combustion, its combustion power is strictly limited, so the combustion chamber pressure and outlet speed of this spray gun can only be maintained.

Unfortunately, this spraying device with high thermal efficiency has a fatal weakness. In order to maintain stable combustion, its combustion power is strictly limited, so the combustion chamber pressure and outlet speed of this spray gun can only be maintained.

Unfortunately, this spraying device with high thermal efficiency has a fatal weakness. In order to maintain stable combustion, its combustion power is strictly limited, so the combustion chamber pressure and outlet speed of this spray gun can only be maintained.

Regrettably, however, this thermally efficient spraying devices there is a fatal weakness, in order to maintain stable combustion, combustion power is severely restricted, so the exit speed of combustion chamber pressure and this spray gun can only be maintained

Regrettably, however, this thermally efficient spraying devices there is a fatal weakness, in order to maintain stable combustion, combustion power is severely restricted, so the exit speed of combustion chamber pressure and this spray gun can only be maintained

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At a lower level.

At a lower level.

At a lower level.

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Since the exit speed of the spray gun fuel flow is determined by the pressure of the combustion chamber, the flying speed of the sprayed particles can only reach 25% to 50% of the fuel flow speed, and the flying speed of the sprayed particles affects the quality of the thermal spray coating.

Since the exit speed of the spray gun fuel flow is determined by the pressure of the combustion chamber, the flying speed of the sprayed particles can only reach 25% to 50% of the fuel flow speed, and the flying speed of the sprayed particles affects the quality of the thermal spray coating.

Since the exit speed of the spray gun fuel flow is determined by the pressure of the combustion chamber, the flying speed of the sprayed particles can only reach 25% to 50% of the fuel flow speed, and the flying speed of the sprayed particles affects the quality of the thermal spray coating.

Since the outlet flow velocity combustion spray guns is determined by the pressure in the combustion chamber, spray flying velocity of particles can only reach 25% to 50% of the fuel flow rate, and the flying velocity of particles affect the quality of spraying a thermal spray coating of

Since the outlet flow velocity combustion spray guns is determined by the pressure in the combustion chamber, spray flying velocity of particles can only reach 25% to 50% of the fuel flow rate, and the flying velocity of particles affect the quality of spraying a thermal spray coating of

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The key factor is that the quality of the coating sprayed by this spraying device is poor, and the expected purpose is not achieved.

The key factor is that the quality of the coating sprayed by this spraying device is poor, and the expected purpose is not achieved.

The key factor is that the quality of the coating sprayed by this spraying device is poor, and the expected purpose is not achieved.

the key factor, so this poor spray apparatus sprayed coating quality, did not meet the intended purpose.

the key factor, so this poor spray apparatus sprayed coating quality, did not meet the intended purpose.

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In order to improve the quality of the coating, Meteco has improved the spray gun and developed an air-cooled throat combustion device.

In order to improve the quality of the coating, Meteco has improved the spray gun and developed an air-cooled throat combustion device.

In order to improve the quality of the coating, Meteco has improved the spray gun and developed an air-cooled throat combustion device.

In order to improve the coating quality, Meteco company improved this spray gun, air cooling developed burner throat.

In order to improve the coating quality, Meteco company improved this spray gun, air cooling developed burner throat.

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This design simplifies the structure of the spray gun (reducing the water wall) and reduces the weight of the spray gun.