Negative pressure suction filtration type molten aluminum online slag measuring device

Abstract

The utility model relates to the technical field of melt slag measurement, and discloses a negative pressure suction filtration type molten aluminum online slag measurement device which comprises a weighing chamber, a liquid container and a vacuum suction mechanism, the liquid container is provided with a filter part at the bottom, and the liquid container is mounted on the weighing chamber and communicated with the weighing chamber through the filter part; and the vacuum suction mechanism is used for vacuumizing the weighing chamber, so that the molten liquid in the liquid container enters the weighing chamber through the filtering piece under the action of atmospheric pressure to be weighed. According to the invention, the accuracy of the measurement result can be improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of melt slag detection, and particularly relates to an aluminum melt online slag detection device of negative pressure suction filtration type. BACKGROUND

[0002] The detection of the slag in the aluminum melt is mainly achieved by filtering the aluminum melt to filter out the impurities in the aluminum melt, so as to analyze the types and quantity of the slag in the aluminum melt. At present, the filtering of the aluminum melt is usually achieved by introducing gas into an aluminum melt container to pressurize the aluminum melt to pass through a filter. Since the introduced gas may contain impurities, the aluminum melt is easily polluted by the impurities in the introduced gas, which affects the accuracy of the measurement result. CONTENT OF THE UTILITY MODEL

[0003] In order to improve the accuracy of the measurement result, the present application provides an aluminum melt online slag detection device of negative pressure suction filtration type.

[0004] The present application provides an aluminum melt online slag detection device of negative pressure suction filtration type, which adopts the following technical scheme:

[0005] The aluminum melt online slag detection device of negative pressure suction filtration type comprises a weighing chamber, a liquid receiving container and a vacuum suction mechanism. The bottom of the liquid receiving container is provided with a filter. The liquid receiving container is installed on the weighing chamber and is in communication with the weighing chamber through the filter. The vacuum suction mechanism is used for vacuumizing the weighing chamber, so that the molten liquid in the liquid receiving container passes through the filter into the weighing chamber under the action of atmospheric pressure to be weighed.

[0006] By adopting the above technical scheme, the pollution of the gas impurities in the traditional pressurized filtration to the aluminum melt is reduced by the negative pressure suction filtration, and the accuracy of the measurement result is improved. The aluminum melt passes through the filter into the weighing chamber to be weighed under the action of atmospheric pressure, so that the online detection of the aluminum melt is realized, and the detection efficiency is improved.

[0007] Optionally, the liquid receiving container comprises an outer bin, a bin cover and a crucible. The outer bin is detachably connected to the weighing chamber. The bin cover is detachably connected to the top of the outer bin. The crucible is placed in the outer bin, and the filter is located at the bottom of the crucible.

[0008] By adopting the above technical scheme, the detachable connection of the outer bin, the bin cover and the crucible is adopted for the liquid receiving container, so that the replacement and maintenance are facilitated, and the flexibility and service life of the equipment are improved.

[0009] Optionally, a sealing ring is arranged between the bottom of the outer bin and the bottom of the crucible and is pressed by the crucible.

[0010] Optionally, a weighing table is arranged in the weighing chamber, and a weighing container for receiving the molten liquid is placed on the weighing table.

[0011] Optionally, the weighing chamber has an entrance and exit on one side for the weighing container to enter and exit, and the weighing chamber has an opening and closing door for opening and closing the entrance and exit.

[0012] By adopting the above technical scheme, the entrance and exit and the opening and closing door are arranged on one side of the weighing chamber, which facilitates the quick entry and exit of the weighing container and improves the operation convenience and detection efficiency of the equipment.

[0013] Optionally, the weighing table is connected with a sliding rail, and the weighing table slides in the weighing chamber through the sliding rail. When the sliding rail moves in the weighing chamber, it can drive the weighing table to enter and exit the weighing chamber.

[0014] By adopting the above technical scheme, the weighing table slides in the weighing chamber through the sliding rail, which can be moved out of the weighing chamber for maintenance, improving the convenience of equipment maintenance.

[0015] Optionally, a rolling wheel is rotatably connected to the sliding rail, and the inner bottom wall of the weighing chamber has a guide groove for the rolling wheel to roll along the direction in which the entrance and exit are opened.

[0016] By adopting the above technical scheme, the rolling wheel is rotatably connected to the sliding rail, and the guide groove is arranged on the inner bottom wall of the weighing chamber, which reduces the frictional resistance when the weighing table moves, and improves the stability and durability of the equipment.

[0017] Optionally, a support frame is hingedly connected to one end of the sliding rail near the entrance and exit, and a support wheel is rotatably connected to the free end of the support frame. The support frame can be rotated to a first position and a second position relative to the sliding rail, and the sliding rail has a limiting piece for limiting the support frame.

[0018] The first position represents that the support wheel is located above the sliding rail, and the support frame and the support wheel can enter the weighing table together with the sliding rail. The second position represents that the support wheel is located below the sliding rail, and the bottom surface of the support wheel is flush with the lower surface of the weighing table, and the support wheel supports the sliding rail.

[0019] By adopting the above technical scheme, the support frame and the support wheel are hingedly connected to one end of the sliding rail near the entrance and exit, and the support frame is limited by the limiting piece, which realizes stable support of the weighing table at different positions and improves the flexibility and safety of the equipment.

[0020] Optionally, the limiting piece includes a first ball head plunger and a second ball head plunger installed on the sliding rail, and the support frame has a clamping groove. When the support frame is in the first position, the ball head of the first ball head plunger is inserted into the clamping groove. When the support frame is in the second position, the ball head of the second ball head plunger is inserted into the clamping groove.

[0021] In summary, the present application comprises at least one of the following beneficial effects:

[0022] 1. By means of negative pressure filtration, the pollution of the aluminum liquid by gas impurities in traditional pressure filtration is reduced, thereby improving the accuracy of measuring the impurity content in the aluminum liquid;

[0023] 2. The liquid receiving container is detachably connected, facilitating replacement and maintenance; the weighing table slides in the weighing chamber through a slide rail, realizing the quick in and out of the weighing container and improving the operation convenience of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 is a structural schematic diagram of embodiment one of the present application;

[0025] Figure 2 is a structural schematic diagram of embodiment one of the present application; Figure 1 is a sectional view at A-A in

[0026] Figure 3 is a structural schematic diagram of embodiment one of the present application; Figure 2 is an enlarged structural schematic diagram at B in

[0027] Figure 4 is a structural schematic diagram of embodiment two of the present application;

[0028] Figure 5 is a structural schematic diagram of the slide rail in embodiment two of the present application;

[0029] Figure 6 is an enlarged structural schematic diagram at C in Figure 4

[0030] Figure 7 is an exploded structural schematic diagram of the support frame and the slide rail in embodiment two of the present application.

[0031] Reference signs: 1, weighing chamber; 101, outer shell; 102, opening and closing door; 103, weighing table; 104, weighing container; 2, liquid receiving container; 21, outer bin; 22, bin cover; 23, crucible; 3, filter piece; 4, sealing ring; 5, inlet and outlet; 6, slide rail; 61, moving frame; 62, rolling wheel; 8, guide groove; 9, support frame; 91, main rod; 92, auxiliary rod; 10, support wheel; 11, first ball head plunger; 12, second ball head plunger; 13, clamping groove; 14, groove; 15, first through hole; 16, second through hole; 17, blanking hole; 18, mounting hole; 19, abutting seat; 20, limiting seat. DETAILED DESCRIPTION

[0032] The following will be described in detail in combination with the accompanying Figures 1-7 The present application will be further described in detail.

[0033] Embodiment one: ​

[0034] The embodiment of the present application discloses an online slag measuring device for molten aluminum by negative pressure suction filtration. Figure 1 The online slag measuring device for molten aluminum by negative pressure suction filtration comprises a weighing chamber 1, a liquid receiving container 2 and a vacuum suction mechanism.

[0035] The liquid receiving container 2 is used for containing the molten aluminum to be detected, and is installed on the top of the weighing chamber 1 and communicates with the weighing chamber 1 through a filter 3. Figure 1 The vacuum suction mechanism (not shown in the figure) communicates with the weighing chamber 1 and is used for vacuumizing the weighing chamber 1. Figure 2 After a certain pressure is extracted from the weighing chamber 1, the molten liquid in the liquid receiving container 2 can pass through the filter 3 into the weighing chamber 1 under the action of its own gravity and pressure difference for weighing, and the impurities in the molten aluminum are intercepted by the filter 3 and enriched on the filter 3.

[0036] Specifically, the weighing chamber 1 comprises an outer shell 101, an opening and closing door 102, a weighing table 103 and a weighing container 104.The outer shell 101 is in the form of a hollow shell, and one side of the outer shell 101 forms an entrance 5. The opening and closing door 102 is hinged to the outer shell 101 and is used for opening and closing the entrance 5. The weighing table 103 is installed in the outer shell 101 and is located in the inner cavity of the outer shell 101 through bolts. The weighing container 104 is placed on the weighing table 103 and is used for receiving the filtered molten aluminum. The weighing table 103 is provided with a weighing sensor to realize real-time feedback of the weight change of the weighing container 104.

[0037] In order to improve the stability of the weighing container 104, the upper surface of the weighing table 103 is provided with a sunken groove 14. The size of the groove 14 is adapted to the outer peripheral size of the bottom of the weighing container 104. When the weighing container 104 is placed on the weighing table 103, the bottom is embedded in the groove 14 to limit the weighing container 104 and improve the stability of the weighing container 104.

[0038] The vacuum suction mechanism is a vacuum pump. The vacuum pump communicates with the weighing chamber 1 through a pipeline to vacuumize the weighing chamber 1 in a closed environment.

[0039] Figure 2 The weighing chamber 1 is provided with a weighing sensor 105. The weighing sensor 105 is used for weighing the molten aluminum in the weighing container 104. Figure 3The liquid receiving container 2 comprises an outer container 21, a container cover 22 and a crucible 23. The outer container 21 is detachably connected to the top surface of the outer shell 101 by bolts, and the top of the outer container 21 is open. The bottom of the outer container 21 is provided with a first through hole 15, and the top of the outer shell 101 is provided with a second through hole 16 opposite to the first through hole 15 and in communication with the first through hole 15. The container cover 22 is hingedly connected to the top of the outer container 21 for opening and closing the top opening of the outer container 21. The crucible 23 is coaxially arranged in the outer container 21, and the crucible 23 is used for containing the aluminum liquid to be detected. A sealing ring 4 is arranged between the inner bottom surface of the outer container 21 and the lower surface of the crucible 23. The sealing ring 4 is made of rubber. Under the gravity of the crucible 23 and the pressure difference, the crucible 23 presses the sealing ring 4, provides a pressing force to the outer container 21 to press the outer shell 101, and forms a seal for the weighing chamber 1. The bottom of the crucible 23 is provided with a discharging hole 17 opposite to the first through hole 15, and the crucible 23 is outwardly expanded on the inner wall of the discharging hole 17 to form a mounting hole 18.

[0040] The filter 3 is in the shape of a ceramic sheet, and the filter 3 is arranged with filter holes. The filter 3 is arranged in the mounting hole 18. In this embodiment, the filter 3 is abutted below by an abutment seat 19 locked to the crucible 23 by bolts, and the abutment seat 19 is provided with a third through hole in communication between the filter 3 and the first through hole 15. In other embodiments, the filter 3 can also be mounted at the bottom of the crucible 23 by threaded connection or magnetic attraction.

[0041] The implementation principle of the online aluminum liquid slag measuring device of the negative pressure suction filtration type according to the embodiment of the application is as follows: first, the aluminum liquid to be detected is placed in the crucible 23, and then the vacuum suction mechanism is started to perform vacuumizing operation on the weighing chamber 1. As the vacuum degree gradually increases, the aluminum liquid in the crucible 23 passes through the filter 3 under the action of its own gravity and the pressure difference between the crucible 23 and the outer shell 101, and enters the weighing container 104, and the impurities in the aluminum liquid are enriched on the filter 3.

[0042] Embodiment two:

[0043] The difference between the embodiment of the application and the embodiment one is that the mounting mode of the weighing table 103 is different.

[0044] Reference Figure 4 and Figure 5 Specifically, in this embodiment, the weighing table 103 is fixed at the bottom with a sliding rail 6, and the weighing table 103 slides in the outer shell 101 through the sliding rail 6. The sliding rail 6 comprises a moving frame 61 and rolling wheels 62 rotatably connected to the opposite sides of the moving frame 61. The moving frame 61 is in the shape of a long strip extending in the horizontal direction, and the length extension direction of the moving frame 61 is parallel to the direction in which the opening 5 is formed. The rolling wheels 62 are uniformly and evenly distributed on each side of the moving frame 61 along the length direction of the moving frame 61, and the rotation axes of the rolling wheels 62 extend in the horizontal direction and are perpendicular to the length extension direction of the sliding rail 6.

[0045] With reference to Figure 5 And Figure 6 The inner bottom wall of the shell 101 is slotted along the direction of the opening 5 to form a guide groove 8 for the movement of the moving frame 61 and the rolling wheels 62. The cross section of the guide groove 8 is inverted T-shaped to limit the upward disengagement of the rolling wheels 62 from the guide groove 8, thereby improving the stability of the movement of the slide rail 6. The guide groove 8 is in communication with the opening 5, and the slide rail 6 can move out of the shell 101 from the guide groove 8 to drive the weighing platform 103 out of the shell 101, thereby facilitating the maintenance and the taking and placing of the weighing container 104 by the operator.

[0046] With reference to Figure 6 And Figure 7 Further, in order to improve the stability of the slide rail 6 when driving the weighing platform 103 and the weighing container 104 out of the shell 101, the end of the slide rail 6 close to the opening 5 is hingedly connected with a support frame 9. The support frame 9 is U-shaped and includes a main rod 91 and a sub-rod 92. The main rod 91 has two ends fixed to the sub-rod 92. The two main rods 91 are hingedly connected to the opposite sides of the slide rail 6 through a pin shaft. The sub-rod 92 is rotatably sleeved with a support wheel 10. The rotation axis of the support wheel 10 is parallel to the rotation axis of the rolling wheel 62. The moving frame 61 is fixed with a limiting seat 20 opposite to the hinged end of the main rod 91. When the support frame 9 rotates, the hinged end is always in contact with the limiting seat 20. When the support frame 9 rotates, the rod part connected with the hinged end of the support frame 9 is limited by the limiting seat 20, so that the angle of rotation of the support frame 9 is 180°.

[0047] The support frame 9 can rotate to a first position and a second position. Specifically, when the support frame 9 rotates to the first position, the main rod 91 extends vertically, and the support wheel 10 is located directly above the moving frame 61. The side of the main rod 91 is in contact with the limiting seat 20. At this time, the support frame 9 and the support wheel 10 can be accommodated in the shell 101 together with the slide rail 6. When the end of the slide rail 6 with the support frame 9 moves out of the shell 101, the support frame 9 can rotate to the second position. At this time, the main rod 91 extends vertically, and the support wheel 10 is located directly below the moving frame 61. The bottom surface of the support wheel 10 is flush with the bottom surface of the shell 101, so that the support wheel 10 can be supported on the ground, thereby supporting the slide rail 6 during movement and improving the stability of the slide rail 6.

[0048] In order to limit the support frame 9 in the first position and the second position, the slide rail 6 is provided with a limiting member. Specifically, the limiting member includes a first ball head plunger 11 and a second ball head plunger 12 embedded in the side of the moving frame 61. The ball heads of the first ball head plunger 11 and the second ball head plunger 12 protrude from the side of the moving frame 61. The main rod 91 has a clamping groove 13 facing the moving frame 61. The clamping groove 13 is arc-shaped.

[0049] When the support frame 9 is in the first position, the ball head of the first ball head plunger 11 is inserted into the clamping groove 13, and when the support frame 9 is in the second position, the ball head of the second ball head plunger 12 is inserted into the clamping groove 13, so as to limit the support frame 9. When it is needed to rotate the support frame 9, the support frame 9 is pried to press the ball head of the ball head plunger into the moving frame 61, so that the ball head of the ball head plunger is separated from the clamping groove 13, and the support frame 9 can be rotated.

[0050] The above are preferred embodiments of the present application, and do not limit the protection scope of the present application, so that: any equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A negative pressure suction filter type online slag measuring device for molten aluminum, characterized by comprising: The application relates to a weighing chamber (1), a liquid-containing container (2) and a vacuum suction mechanism, wherein the bottom of the liquid-containing container is provided with a filter (3), the liquid-containing container (2) is installed on the weighing chamber (1) and communicates with the weighing chamber (1) through the filter (3); and the vacuum suction mechanism is used for vacuumizing the weighing chamber (1) so that the molten liquid in the liquid-containing container (2) enters the weighing chamber (1) through the filter (3) under the action of atmospheric pressure and is weighed. The liquid-containing container (2) comprises an outer bin (21), a bin cover (22) and a crucible (23), the outer bin (21) is detachably connected to the weighing chamber (1), the bin cover (22) is detachably connected to the top of the outer bin (21), the crucible (23) is placed in the outer bin (21), and the filter (3) is located at the bottom of the crucible (23).

2. The negative pressure filtration type on-line slag measuring device for molten aluminum according to claim 1, characterized in that: The bottom of the outer bin (21) and the bottom of the crucible (23) are provided with a sealing ring (4) which is pressed by the crucible (23).

3. The negative pressure filtration type on-line slag measuring device for molten aluminum according to claim 2, characterized in that: The weighing chamber (1) is provided with a weighing table (103), and the weighing table (103) is provided with a weighing container (104) for containing the molten liquid.

4. The negative pressure filtration type on-line slag measuring device for molten aluminum according to claim 1, characterized in that: One side of the weighing chamber (1) is provided with an entrance and exit (5) for the weighing container (104), and the weighing chamber (1) is provided with an opening and closing door (102) for opening and closing the entrance and exit (5).

5. The negative pressure filtration type on-line slag measuring device for molten aluminum according to claim 4, characterized in that: The weighing table (103) is connected with a sliding rail (6), the weighing table (103) slides in the weighing chamber (1) through the sliding rail (6), and the sliding rail (6) can drive the weighing table (103) to enter and exit the weighing chamber (1) when the sliding rail (6) moves in the weighing chamber (1).

6. The negative pressure filtration type on-line slag measuring device for molten aluminum according to claim 5, characterized in that: The sliding rail (6) is rotatably connected with a rolling wheel (62), and the inner bottom wall of the weighing chamber (1) is provided with a guide groove (8) for the rolling wheel (62) to roll along the opening direction of the entrance and exit (5).

7. The negative pressure filtration type on-line slag measuring device for molten aluminum according to claim 6, characterized in that: The sliding rail (6) is hingedly connected with a support frame (9) at one end close to the entrance and exit (5), the free end of the support frame (9) is rotatably connected with a support wheel (10), the support frame (9) can be rotated to a first position and a second position relative to the sliding rail (6), and the sliding rail (6) is provided with a limiting piece for limiting the support frame (9); 8. The negative pressure filtration type on-line slag measuring device for molten aluminum according to claim 6, characterized in that: The first position means that the support wheel (10) is located above the sliding rail (6), the support frame (9) and the support wheel (10) can enter the weighing table (103) together with the sliding rail (6); and the second position means that the support wheel (10) is located below the sliding rail (6), the bottom surface of the support wheel (10) is flush with the lower surface of the weighing table (103), and the support wheel (10) supports the sliding rail (6). ​ 9. The negative pressure filtration type on-line slag measuring device for molten aluminum according to claim 8, characterized in that: The limiting member comprises a first ball head plunger (11) and a second ball head plunger (12) installed on the slide rail (6), and the support frame (9) is provided with a clamping groove (13); when the support frame (9) is in the first position, the ball head of the first ball head plunger (11) is inserted into the clamping groove (13); when the support frame (9) is in the second position, the ball head of the second ball head plunger (12) is inserted into the clamping groove (13).

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