Gas balancing device of aluminum powder atomization production line

Abstract

The utility model discloses a gas balancing device of an aluminum powder atomization production line, which comprises two balancing tanks with the same structure, each balancing tank comprises a vertically arranged tank body, the tank body is filled with filtered water, the bottom end of the tank body is provided with a plurality of supporting legs, the lower part of the side wall of the tank body is provided with a gas inlet pipeline, and the gas inlet pipeline is provided with an electromagnetic valve; an inlet of the air inlet pipeline is located below the liquid level, an air outlet pipeline is arranged on the upper portion of the side wall of the tank body, and a main air inlet pipeline is arranged between the air inlet pipelines of the two balance tanks. A pressure relief pipeline is arranged at the top end of the tank body, a pressure relief valve is mounted on the pressure relief pipeline, a pressure detection pipeline, a temperature measurement probe and a concentration measurement probe are further arranged in the tank body, and a pressure gauge, a temperature display and a concentration display are correspondingly arranged outside the tank body; the device is provided with the two balance tanks, when gas in one balance tank is collected to a certain degree, the other balance tank is switched to continue to collect the gas, the continuity of gas collection is ensured, and therefore the gas recovery efficiency is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to aluminum powder production and processing equipment technical field, especially a kind of gas balancing device of aluminum powder atomization production line. BACKGROUND

[0002] Aluminum powder is an important metal powder material, due to its light weight, electrically conductive, good processing performance and other characteristics, it has wide application in the field of aviation, automobile, wire and cable, metallurgy, paint, fireproof material and chemical industry. At present, the preparation process of aluminum powder mostly adopts atomization method, that is, first melt aluminum ingot and keep warm, then deliver to atomization chamber, atomize and granulate by inert mixed gas sprayed by gas atomization nozzle, form micron aluminum powder, then deliver into classifier for grading treatment, obtain aluminum powder finished product with different particle size. In prior art, nitrogen is often used as gas flow carrier for atomization and granulation, after grading treatment of aluminum powder, nitrogen is recycled to save cost. In the gas balancing device in prior art, nitrogen cannot be continuously recycled, which affects the efficiency of nitrogen recycling. SUMMARY

[0003] The utility model aims at providing a kind of gas balancing device of aluminum powder atomization production line, the device is provided with two balance tanks, when the gas in one balance tank is collected to a certain extent, switch to another balance tank to continue collecting gas, ensure the continuity of gas collection, thereby guarantee the efficiency of gas recycling.

[0004] To achieve the above object, the utility model adopts the following technical scheme: a kind of gas balancing device of aluminum powder atomization production line, including two structures same balance tanks, balance tank includes vertically arranged tank body, tank body is filled with filter water, the bottom of tank body is provided with a plurality of legs, the lower part of tank body side wall is provided with inlet pipe, electromagnetic valve is installed on inlet pipe, the inlet of inlet pipe is below the liquid level of filter water, the upper part of tank body side wall is provided with outlet pipe, the inlet pipe of two balance tanks is provided with main inlet pipe in the middle;The top of tank body is provided with pressure relief pipe, pressure relief valve is installed on pressure relief pipe, pressure detection pipe, temperature measurement probe and concentration measurement probe are further provided in tank body, pressure gauge, temperature display and concentration display are correspondingly provided outside tank body.

[0005] Optionally, the upper portion of pressure relief pipe is provided with fixing frame, fixing frame is fixedly connected to the top of tank body, pressure relief valve is installed between fixing frame and pressure relief pipe;Pressure relief valve includes sealing plate, compression spring is arranged between the top of sealing plate and fixing frame, sealing plate is pressed at the outlet of pressure relief pipe under the action of compression spring;The top of sealing plate is provided with guide rod, guide rod is slidably connected to fixing frame.

[0006] Optionally, the bottom of the sealing plate is provided with a conical guide block matched with the pressure relief pipeline.

[0007] Optionally, the bottom of the sealing plate is provided with a sealing gasket.

[0008] Optionally, a dryer is installed on the gas outlet pipeline.

[0009] Optionally, the top of the tank body is provided with a safety pipeline, and the end of the safety pipeline is provided with a burst membrane.

[0010] Optionally, an observation window is arranged on the outside of the tank body.

[0011] The gas balancing device of the aluminum powder atomization production line has the following advantages:

[0012] (1) Only one of the electromagnetic valves on the two gas inlet pipelines is opened, and the backflow gas enters a balance tank through the gas inlet pipeline, and the impurities in the gas can be effectively filtered when the gas passes through the filter water, and the pressure gauge, temperature display and concentration display can display the gas parameters in the balance tank, and when the pressure in the balance tank reaches a certain degree, the gas is switched to another balance tank to collect the gas, ensuring the continuity of the gas collection and improving the gas recovery efficiency.

[0013] (2) The pressure relief valve can play a protection role, and when the pressure in the balance tank exceeds the safety value, the pressure relief valve is opened to discharge the excess gas in the tank, ensuring the stability of the balance tank.

[0014] (3) The dryer can absorb the moisture in the gas when the gas is discharged.

[0015] (4) The burst membrane can further play a safety protection role, and when the pressure in the balance tank rises rapidly and cannot be relieved, the burst membrane will be broken, and the gas in the balance tank will be discharged rapidly, avoiding the explosion accident of the balance tank. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a structural schematic view of the utility model.

[0017] Figure 2 is Figure 1 is an enlarged schematic view of part A in figure

[0018] Figure 3 is a schematic view when the pressure relief valve is opened. DETAILED DESCRIPTION

[0019] The utility model will be further described below in combination with the drawings.

[0020] For example, Figures 1-3As shown, a kind of gas balance device of aluminum powder atomization production line, including two identical balance tanks 1, two balance tanks 1 symmetrically arranged.The balance tank 1 includes the tank body 2 of vertical arrangement, tank body 2 is filled with filter water 3, to remove some impurities in reflux gas, the bottom end of tank body 2 is provided with several legs 4, to support tank body 2, the outside of tank body 2 is provided with observation window 5, can see the situation in balance tank 1 through observation window 5.The lower part of the side wall of tank body 2 is provided with inlet pipe 6, electromagnetic valve 7 is installed on inlet pipe 6, the inlet of inlet pipe 6 is below the liquid level of filter water 3, the inlet pipe 6 of two balance tanks 1 is provided with main inlet pipe 8 in the middle, the upper part of the side wall of tank body 2 is provided with outlet pipe 9, outlet pipe 9 is also provided with electromagnetic valve 7, and dryer 10 is also installed on outlet pipe 9, the gas passing through filter water 3 contains water vapor, and dryer 10 can remove the water vapor.

[0021] The top end of tank body 2 is provided with pressure relief pipe 11, and fixed frame 12 is arranged above pressure relief pipe 11. The fixed frame 12 is fixedly connected to the top end of the tank body 2. A pressure relief valve 13 is installed between the fixed frame 12 and the pressure relief pipe 11. The pressure relief valve 13 includes a sealing plate 14. A compression spring 15 is arranged between the top of the sealing plate 14 and the fixed frame 12. The sealing plate 14 is pressed against the outlet of the pressure relief pipe 11 under the action of the compression spring 15, so as to block the pressure relief pipe 11. A guide rod 16 is arranged on the top of the sealing plate 14 and is slidably connected to the fixed frame 12. The guide rod 16 is located in the compression spring 15, so as to ensure that the sealing plate 14 can move in the vertical direction. A tapered guide block 17 matched with the pressure relief pipe 11 is arranged on the bottom of the sealing plate 14, so as to facilitate accurate butt joint of the sealing plate 14 and the pressure relief pipe 11. A sealing gasket 18 is further arranged on the bottom of the sealing plate 14, so as to improve the tightness between the sealing plate 14 and the pressure relief pipe 11. When the gas pressure in the tank exceeds the set value, the gas pressure is greater than the pressure of the compression spring 15, so that the sealing plate 14 is lifted, and the gas in the tank is discharged to the outside of the tank through the pressure relief pipe 11, so as to achieve the purpose of pressure relief and protect the balance tank 1. When the pressure returns to normal, the compression spring 15 and the sealing plate 14 return to the initial state, and continue to block the pressure relief pipe 11.

[0022] The pressure detection pipeline is arranged in the tank body 2, and the pressure gauge 19 is correspondingly arranged outside the tank body 2, so as to detect the pressure in the balance tank 1; the temperature measurement probe is arranged in the tank body 2, and the temperature display 20 is correspondingly arranged outside the tank body 2, so as to measure the gas temperature in the balance tank 1; the concentration measurement probe is arranged in the tank body 2, and the concentration display 21 is correspondingly arranged outside the tank body 2, so as to measure the nitrogen concentration in the balance tank 1. The safety pipeline 22 is further arranged at the top of the tank body 2, and the end of the safety pipeline 22 is provided with the burst membrane 23. When the pressure in the tank rapidly rises and the pressure rise cannot be prevented by the pressure relief valve 13, when the pressure reaches the set pressure of the burst membrane 23, the burst membrane 23 is broken, and the gas in the balance tank 1 is rapidly discharged, the pressure is released, and the explosion accident of the balance tank 1 is avoided.

[0023] When the gas is introduced, the electromagnetic valve 7 on the gas inlet pipeline 6 is opened, the electromagnetic valve 7 on the gas outlet pipeline 9 is closed, the backflow gas enters the balance tank 1 after being filtered by the filter water 3, along with the continuous introduction of the gas, the pressure in the tank gradually rises, when the pressure reaches the set value, the electromagnetic valve 7 on the gas inlet pipeline 6 is closed, and the electromagnetic valve 7 on the other gas inlet pipeline 6 is opened, so as to switch the backflow gas to the other balance tank 1 for collection, so as to ensure the continuity of the gas collection and improve the efficiency of the gas recovery. When the gas is discharged, the gas parameters in the balance tank are observed first, if the parameters meet the requirements, the gas in the tank will be discharged to the standby system for future atomization, if the parameters do not meet the requirements, the gas in the tank will be discharged to the treatment system, and the parameters are adjusted or directly discharged according to the specific situation.

[0024] The above-described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the present application.

Claims

1. A gas balancing device for an aluminum powder atomization production line, characterized in that: The equalizing tank comprises two equal structures, and each equalizing tank comprises a vertically arranged tank body filled with filtered water, a plurality of supporting legs arranged at the bottom end of the tank body, an air inlet pipeline arranged at the lower part of the side wall of the tank body, an electromagnetic valve installed on the air inlet pipeline, an inlet of the air inlet pipeline located below the liquid level of the filtered water, an air outlet pipeline arranged at the upper part of the side wall of the tank body, and a main air inlet pipeline arranged between the air inlet pipelines of the two equalizing tanks; a pressure relief pipeline is arranged at the top end of the tank body, a pressure relief valve is installed on the pressure relief pipeline, and a pressure detection pipeline, a temperature measurement probe and a concentration measurement probe are further arranged in the tank body, and a pressure gauge, a temperature display and a concentration display are correspondingly arranged outside the tank body.

2. The gas balancing device for an aluminum powder atomization production line according to claim 1, characterized in that: A fixing frame is arranged above the pressure relief pipeline, the fixing frame is fixedly connected to the top end of the tank body, and the pressure relief valve is installed between the fixing frame and the pressure relief pipeline; the pressure relief valve comprises a sealing plate, a compression spring is arranged between the top of the sealing plate and the fixing frame, and the sealing plate is pressed against the outlet of the pressure relief pipeline under the action of the compression spring; a guide rod is arranged at the top of the sealing plate and is slidably connected to the fixing frame.

3. The gas balancing device for an aluminum powder atomization line as claimed in claim 2, characterized in that: A conical guide block matched with the pressure relief pipeline is arranged at the bottom of the sealing plate.

4. The gas equalization device for an aluminum powder atomization production line according to claim 2, characterized by: A sealing gasket is arranged at the bottom of the sealing plate.

5. The gas equalization device for an aluminum powder atomization production line according to claim 1, characterized by: A dryer is installed on the air outlet pipeline.

6. The gas equalization device for an aluminum powder atomization production line according to claim 1, characterized by: A safety pipeline is arranged at the top of the tank body, and an explosion-proof membrane is arranged at the end of the safety pipeline.

7. The gas equalization device for an aluminum powder gas atomization production line according to claim 1, characterized by: An observation window is arranged on the side of the tank body.

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