Inert gas circulating device of aluminum powder atomization production line

Abstract

The utility model relates to the technical field of powder atomization production, in particular to an inert gas circulating device of an aluminum powder atomization production line, which comprises a support, a cooling chamber mounted on the support, an atomization mechanism mounted on the side wall of the cooling chamber, a circulating chamber communicated with the top end of the cooling chamber, and a filter screen plate mounted between the circulating chamber and the cooling chamber. The top of the circulating chamber is communicated with a circulating pipe, a circulating fan is mounted on the circulating pipe, the circulating pipe is communicated with the atomizing mechanism, the circulating pipe is communicated with a gas conveying main pipe, a first valve is mounted at one end, close to the circulating pipe, of the gas conveying main pipe, the gas conveying main pipe extends into the circulating chamber and is communicated with a gas conveying branch pipe, and a plurality of nozzles are mounted on the gas conveying branch pipe. Inert gas in the circulating chamber is pressurized through the circulating fan and then fed into the gas conveying main pipe, the pressurized inert gas sequentially passes through the gas conveying main pipe and the gas conveying branch pipes and then is sprayed out of the spray heads, the sprayed inert gas can clean the filter screen plate, and therefore the cleaning workload of workers can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to powder atomization production technical field, especially an inert gas circulating device of aluminium powder atomization production line. BACKGROUND

[0002] At present, inert gas atomization method is generally used in aluminium powder production, in the aluminium powder atomization production, inert gas and molten aluminium liquid are passed into atomization nozzle, the molten aluminium liquid is sprayed from the atomization nozzle to form aluminium powder, then the aluminium powder enters the oil to cool down, in order to reduce the production cost, inert gas circulating device is generally used to recycle the inert gas.

[0003] For example, the patent for utility model with publication number CN217889504U discloses a kind of gas circulating device for aluminium powder atomization production, the device is filtered by setting curved separation plate in treatment tank Particles of aluminium in inert gas, then the remaining aluminium is filtered by half-round net, to realize the recycling of gas, however, after long time use, aluminium powder will block the separation plate and filter screen, workers need to clean regularly, resulting in heavy workload of workers, therefore, there are still shortcomings and deficiencies in the prior art. SUMMARY

[0004] The utility model provides a kind of inert gas circulating device of aluminium powder atomization production line, to solve the problems raised in the background art.

[0005] In order to solve the above technical problems, the technical scheme adopted by the utility model is: an inert gas circulating device of aluminium powder atomization production line, comprising a support, a cooling chamber vertically arranged is installed on the support, an atomization mechanism is installed on the side wall of the cooling chamber, a circulating chamber is provided at the top of the cooling chamber and is communicated, a filter screen plate is installed between the circulating chamber and the cooling chamber, a circulating pipe is communicated with the top of the circulating chamber, a circulating fan is installed on the circulating pipe, one end of the circulating pipe away from the circulating chamber is communicated with the atomization mechanism, the other end of the circulating pipe away from the circulating chamber is also communicated with a gas supply main pipe, a first valve is installed on the end of the gas supply main pipe close to the circulating pipe, the other end of the gas supply main pipe extends into the circulating chamber and is communicated with a plurality of spaced gas supply branch pipes, the gas supply branch pipes are parallel to the filter screen plate, a plurality of nozzles are installed on the gas supply branch pipes.

[0006] Preferably, a balance chamber is installed vertically on the outside of the cooling chamber, a floating piston is slidably connected in the balance chamber, the bottom end of the balance chamber is communicated with the cooling chamber, and the top end of the balance chamber is communicated with the circulating chamber.

[0007] Preferably, a balance port is formed in the side wall of the cooling chamber, the outside of the balance port is communicated with the bottom end of the balance chamber, an inclined baffle is arranged in the inside of the balance port, and the higher side of the baffle is fixedly connected to the inside wall of the cooling chamber.

[0008] Preferably, the atomization mechanism comprises an atomizing nozzle, the atomizing nozzle is inserted into the cooling chamber, the atomizing nozzle is provided with a feeding pipe at an end away from the cooling chamber, and the atomizing nozzle is connected with the circulating pipe through a connecting pipe, and the connecting pipe is provided with a second valve.

[0009] Preferably, the bottom surface of the cooling chamber is in an inverted conical shape, and the bottom surface of the cooling chamber is connected with a discharging pipe, and the discharging pipe is provided with a third valve.

[0010] Preferably, the side wall of the cooling chamber is connected with an oil supplementing pipe, and the oil supplementing pipe is provided with a float valve.

[0011] The utility model discloses have the beneficial effect for: (1) the utility model discloses through circulating fan, the inert gas in circulating chamber is sent into gas main pipe after pressurization, and the inert gas after pressurization is in proper order through gas main pipe, gas branch pipe and is sprayed from the nozzle, and the inert gas that sprays can clean filter screen board, thereby can reduce the workload of worker cleaning, (2) when cleaning filter screen board, the pressure difference between cooling chamber and circulating chamber can push the floating piston to move upwards, thereby can balance the pressure between cooling chamber and circulating chamber, guarantees the stable operation of cleaning work, improves the stability of device. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is the structural schematic diagram of the utility model;

[0013] Fig. 2 It is the structural schematic diagram of the utility model gas main pipe, gas branch pipe, nozzle connection.

[0014] Sign significance: 1, support, 2, cooling chamber, 3, atomization mechanism, 31, atomizing nozzle, 32, feeding pipe, 33, connecting pipe, 34, second valve, 4, circulating chamber, 5, filter screen board, 6, circulating pipe, 7, circulating fan, 8, gas main pipe, 9, first valve, 10, gas branch pipe, 11, nozzle, 12, cooling oil, 13, balance chamber, 14, floating piston, 15, balance port, 16, baffle, 17, discharging pipe, 18, third valve, 19, oil supplementing pipe, 20, float valve. DETAILED DESCRIPTION

[0015] The utility model will be further described in connection with the drawings.

[0016] As Figs. 1-2The utility model provides a kind of inert gas circulating device of aluminium powder atomization production line, including support 1, vertically arranged cooling chamber 2 is installed on support 1, atomization mechanism 3 is installed on the lateral wall of cooling chamber 2, and the top of cooling chamber 2 is provided with and is communicated with circulating chamber 4, filter screen plate 5 is installed between circulating chamber 4 and cooling chamber 2, circulating pipe 6 is communicated with the top of circulating chamber 4, circulating fan 7 is installed on circulating pipe 6, circulating fan 7 is installed at the top of circulating chamber 4, the end of circulating pipe 6 away from circulating chamber 4 is communicated with atomization mechanism 3, the end of circulating pipe 6 away from circulating chamber 4 is also communicated with gas main pipe 8, first valve 9 is installed on the end of gas main pipe 8 close to circulating pipe 6, the other end of gas main pipe 8 extends to circulating chamber 4 and is communicated with a plurality of interval arranged gas branch pipes 10, gas branch pipe 10 is parallel with filter screen plate 5, a plurality of spray heads 11 are installed on gas branch pipe 10, and spray head 11 is towards filter screen plate 5.

[0017] Specifically, a certain volume of cooling oil 12 is injected into the cooling chamber 2. During use, the circulating fan 7 sends the inert gas in the circulating chamber 4 into the atomization mechanism 3 after pressurization, the atomization mechanism 3 sprays the molten aluminum liquid into a mist state with the pressurized inert gas, the mist-shaped aluminum condenses into aluminum powder and falls into the cooling oil 12 for cooling, and the inert gas is filtered by the filter screen plate 5 and then returned to the circulating chamber 4, so that the inert gas can be recycled; when the filter screen plate 5 needs to be cleaned, the atomization mechanism 3 is closed, the first valve 9 is opened, and the circulating fan 7 sends the inert gas in the circulating chamber 4 into the gas main pipe 8 after pressurization. The pressurized inert gas is sprayed out from the spray head 11 in sequence through the gas main pipe 8 and the gas branch pipe 10. The sprayed inert gas can clean the filter screen plate 5, thereby reducing the workload of the workers.

[0018] In some embodiments, a vertically arranged balance chamber 13 is installed on the outside of the cooling chamber 2. A floating piston 14 is slidably connected in the balance chamber 13. The bottom end of the balance chamber 13 is communicated with the cooling chamber 2, and the top end of the balance chamber 13 is communicated with the circulating chamber 4. Specifically, when cleaning the filter screen plate 5, the spray head 11 blows the inert gas in the circulating chamber 4 towards the cooling chamber 2, causing the gas pressure in the cooling chamber 2 to be higher than that in the circulating chamber 4. At this time, the pressure difference between the cooling chamber 2 and the circulating chamber 4 can push the floating piston 14 to move upwards, thereby balancing the gas pressure between the cooling chamber 2 and the circulating chamber 4, ensuring the stable operation of the cleaning work and improving the stability of the device.

[0019] In some embodiments, a balance port 15 is formed on the lateral wall of the cooling chamber 2. The outside of the balance port 15 is communicated with the bottom end of the balance chamber 13. An inclined baffle 16 is arranged on the inside of the balance port 15. The higher side of the baffle 16 is fixedly connected to the inside wall of the cooling chamber 2. By arranging the baffle 16, the aluminum powder can be blocked, thereby reducing the situation of aluminum powder entering the balance port 15.

[0020] In some embodiments, the atomizing mechanism 3 comprises an atomizing nozzle 31 inserted into the cooling chamber 2, the atomizing nozzle 31 is provided with a feeding pipe 32 at one end away from the cooling chamber 2, the atomizing nozzle 31 is connected with the circulating pipe 6 through a connecting pipe 33, and the second valve 34 is installed on the connecting pipe 33. Specifically, in use, the second valve 34 is opened, the circulating fan 7 is started, the inert gas is sequentially introduced into the atomizing nozzle 31 through the circulating pipe 6 and the connecting pipe 33, then the molten aluminum liquid is introduced into the atomizing nozzle 31 from the feeding pipe 32, the atomizing nozzle 31 sprays the molten aluminum liquid into mist with the pressurized inert gas, the mist aluminum is condensed into aluminum powder and falls into the cooling oil 12 for cooling, so that the aluminum powder can be prepared.

[0021] In some embodiments, the bottom surface of the cooling chamber 2 is in an inverted conical shape, the inverted conical structure can guide the aluminum powder to the bottom to facilitate the collection of the aluminum powder, the bottom surface of the cooling chamber 2 is communicated with a discharge pipe 17, the third valve 18 is installed on the discharge pipe 17, and the third valve 18 is opened to facilitate the discharge of the aluminum powder from the discharge pipe 17.

[0022] In some embodiments, the side wall of the cooling chamber 2 is communicated with a supplementary oil pipe 19, and the float valve 20 is installed on the supplementary oil pipe 19. Specifically, when the liquid level of the cooling oil 12 in the cooling chamber 2 is lowered, the float valve 20 can be opened to automatically supplement the cooling oil 12 to ensure that the cooling oil 12 is at an appropriate liquid level, so as to ensure the stability of the pressure in the device and improve the stability of the device.

[0023] The above embodiments can be combined with each other.

[0024] The above embodiments do not limit the shape, material, structure and the like of the present application in any form, and any simple modification, equivalent change and modification made according to the technical essence of the present application to the above embodiments are within the protection scope of the technical scheme of the present application.

Claims

1. An inert gas circulation device for an aluminum powder atomization production line, comprising a support, characterized in that: The support is provided with a vertically arranged cooling chamber, an atomizing mechanism is arranged on the side wall of the cooling chamber, the top end of the cooling chamber is provided with an open circulation chamber, a filter screen plate is arranged between the circulation chamber and the cooling chamber, a circulating pipe is communicated with the top of the circulation chamber, a circulating fan is arranged on the circulating pipe, the end of the circulating pipe away from the circulation chamber is communicated with the atomizing mechanism, a gas conveying main pipe is communicated with the end of the circulating pipe away from the circulation chamber, a first valve is arranged on the end of the gas conveying main pipe close to the circulating pipe, a plurality of gas conveying branch pipes are communicated with the other end of the gas conveying main pipe and extend into the circulation chamber, the gas conveying branch pipes are parallel to the filter screen plate, and a plurality of spray heads are arranged on the gas conveying branch pipes.

2. The inert gas circulating device for an aluminum powder atomization production line according to claim 1, characterized in that: A vertically arranged balance chamber is arranged on the outer side of the cooling chamber, a floating piston is slidably connected in the balance chamber, the bottom end of the balance chamber is communicated with the cooling chamber, and the top end of the balance chamber is communicated with the circulation chamber.

3. The inert gas circulating device for an aluminum powder atomization production line according to claim 2, characterized in that: A balance port is formed in the side wall of the cooling chamber, the outer side of the balance port is communicated with the bottom end of the balance chamber, and an inclined baffle is arranged on the inner side of the balance port.

4. The inert gas circulating device for an aluminum powder atomization production line according to claim 1, characterized in that: The atomizing mechanism comprises an atomizing spray head, the atomizing spray head is inserted into the cooling chamber, a feeding pipe is arranged on the end of the atomizing spray head away from the cooling chamber, and the atomizing spray head is communicated with the circulating pipe through a connecting pipe, and a second valve is arranged on the connecting pipe.

5. The inert gas circulating device for an aluminum powder atomization production line according to claim 1, characterized in that: The bottom surface of the cooling chamber is in an inverted conical shape, and a discharging pipe is communicated with the bottom surface of the cooling chamber, and a third valve is arranged on the discharging pipe.

6. The inert gas circulating device for an aluminum powder atomization production line according to claim 1, characterized in that: An oil supplementing pipe is communicated with the side wall of the cooling chamber, and a float valve is arranged on the oil supplementing pipe.

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