Aluminum ash nitrogen removal reaction device and nitrogen removal method

Abstract

The invention relates to the technical field of casting, in particular to an aluminum ash nitrogen removal reaction device and a nitrogen removal method. The stirring part comprises a shaft sleeve and an output shaft, the shaft sleeve is rotationally arranged on the outer shell, the output shaft is connected to the other end of the shaft sleeve, the output shaft and the shaft sleeve form a telescopic structure to allow stretching, and blades extend on the output shaft in the radial direction; the material storage part comprises an inner shell coaxially arranged outside the output shaft in a sleeving mode, a plurality of sets of first sealing pieces and second sealing pieces are alternately arranged in the inner shell at intervals along the axial path of the output shaft, and the multiple sets of first sealing pieces and second sealing pieces are matched with the inner shell to form water containing cavities and aluminum ash containing cavities which are alternately arranged at intervals along the axial path; the second sealing piece is provided with a notch corresponding to the blade. By changing the traditional single-layer structure and providing the cavity with the multi-layer structure for alternately layering the aluminum ash and the water, the contact area of the water and the aluminum ash is multiplied, and the hydrolysis reaction is facilitated.

Description

Technical Field

[0001] The invention relates to the technical field of aluminum ash treatment, in particular to an aluminum ash denitrification reaction device and a denitrification method for the aluminum ash denitrification reaction device. Background Art

[0002] Aluminum ash slag is a common waste in the aluminum industry with a huge output. Its main sources are infusible inclusions, oxides, additives and reaction products produced by physical and chemical reactions with additives floating on the surface of aluminum melt during the production of aluminum and aluminum alloys. It is produced in all production processes where aluminum melts.

[0003] The aluminum ash slag denitrification reaction device is a stirring device for aluminum ash hydrolysis, which mainly utilizes the stirring device to promote full contact between aluminum ash and water, so that water and nitrogen react to generate ammonia and achieve denitrification. However, since a large amount of aluminum ash and water are put into the device at one time, under the condition of a certain cross-sectional area of ​​the container, a large amount of aluminum ash and water will be stratified, which makes stirring difficult and is not conducive to hydrolysis. Summary of the invention

[0004] In view of the problem in the prior art that a large amount of aluminum ash and water are put into the container at one time, a large amount of aluminum ash and water will be stratified under a certain cross-sectional area, which makes stirring difficult and is not conducive to hydrolysis, the present invention provides an aluminum ash slag denitrification reaction device and a denitrification method, and the specific technical scheme is as follows:

[0005] Aluminum ash slag denitrification reaction device, comprising:

[0006] outer shell;

[0007] A stirring part, the stirring part comprises a sleeve rotatably arranged on the outer shell and an output shaft connected to the other end of the sleeve, the output shaft and the sleeve form a telescopic structure to allow telescopic movement, and blades radially extend from the output shaft;

[0008] and a material storage part, the material storage part comprising an inner shell coaxially sleeved outside the output shaft, a plurality of groups of sealing sheets 1 and sealing sheets 2 are alternately arranged along the axial path of the output shaft in the inner shell, the plurality of groups of sealing sheets 1 and sealing sheets 2 cooperate with the inner shell to form water containing cavities and aluminum ash containing cavities alternately spaced along the axial path, and a notch corresponding to the blade is opened on the sealing sheet 2;

[0009] The output shaft is driven by an external force to move axially and change between a first state and a second state;

[0010] In the first state, the blade is inserted into the notch, and the water chamber and the aluminum ash chamber separated by the second sealing sheet are not connected to each other;

[0011] In the second state, the blade is placed in the aluminum ash containing cavity, and the water containing cavity is connected with the aluminum ash containing cavity through the notch.

[0012] As a further technical solution of the present invention, the blades are provided in at least two groups and are evenly distributed around the output shaft.

[0013] As a further technical solution of the present invention, a connecting plate is rotatably connected to the output shaft, a hydraulic push rod is installed on the outer shell, the output end of the hydraulic push rod is connected to the connecting plate, and the output direction of the hydraulic push rod is parallel to the output shaft.

[0014] As a further technical solution of the present invention, an aluminum ash channel and a water channel are also inserted into the outer shell, and the aluminum ash channel and the water channel are both connected to the material storage part. The aluminum ash channel includes a main channel 1 arranged parallel to the output shaft and a sub-channel 1 connected to the main channel 1, and the other end of the sub-channel 1 corresponds to the connected water cavity. The water channel includes a main channel 2 arranged parallel to the output shaft and a sub-channel 2 connected to the main channel 2, and the other end of the sub-channel 2 corresponds to the connected aluminum ash cavity.

[0015] As a further technical solution of the present invention, the output shaft is slidably sealed with both the first and second sealing sheets.

[0016] As a further technical solution of the present invention, the inner shell includes two symmetrically arranged semicircular pieces, a bidirectional screw rod is rotatably arranged in the outer shell, and the two semicircular pieces are rotatably connected to both sides of the bidirectional screw rod;

[0017] The bidirectional screw is driven to rotate by an external force and can drive the two semicircular pieces to switch between a mold opening state and a mold closing state;

[0018] In the mold open state, the two semicircular pieces are spaced apart and face each other;

[0019] In the mold closing state, the two semicircular pieces are attached and combined to form a hollow cylinder.

[0020] As a further technical solution of the present invention, the two semicircular pieces have lugs extending radially outward on their mating surfaces, and the bidirectional screw is rotatably connected to the lugs of the semicircular pieces.

[0021] As a further technical solution of the present invention, a plurality of groups of support rings are arranged at intervals on the axial path along the outer side of the output shaft;

[0022] In the mold opening state, the support ring contacts the bottom walls of the sealing sheet 1 and the sealing sheet 2 and supports them.

[0023] As a further technical solution of the present invention, rib groove 1 and rib groove 2 are alternately opened on the inner side of the semicircular sheet along the axial path, the rib groove 1 corresponds to the sealing sheet 1, and the rib groove 2 corresponds to the sealing sheet 2;

[0024] In the mold closing state, the first sealing piece is inserted into the first rib groove, and the second sealing piece is inserted into the second rib groove.

[0025] On the other hand, the present application also provides a denitrification method for an aluminum ash denitrification reaction device, and the specific steps are as follows:

[0026] S1, mold closing;

[0027] By driving the bidirectional screw rod to rotate, the two semicircular sheets can be driven to approach and fit each other, so that the first sealing sheet is inserted into the first rib groove, and the second sealing sheet is inserted into the second rib groove, thus completing the mold closing;

[0028] S2, feeding;

[0029] Feeding materials into several water containing chambers simultaneously through the aluminum ash channel; feeding materials into several aluminum ash containing chambers simultaneously through the water channel;

[0030] S3, mixing;

[0031] The hydraulic push rod is started, and the output end of the hydraulic push rod drives the output shaft to move downward into the second state, so that the water in the water chamber flows into the aluminum ash chamber through the notch to complete the mixing;

[0032] S4, stirring;

[0033] The output motor is started, and the output end of the output motor drives the output shaft and the blades to rotate and stir in the aluminum ash chamber to promote the reaction between the aluminum ash and the water;

[0034] S5, mold opening;

[0035] Start the hydraulic push rod again, and the output end of the hydraulic push rod drives the output shaft to move up and reset, drives the bidirectional screw to reverse, drives the two semicircular pieces to move away from each other, and completes the mold opening.

[0036] The beneficial effects of the present invention are as follows:

[0037] The aluminum ash denitrification reaction device changes the traditional single-layer structure and adopts a multi-layer structure cavity, which doubles the contact area between water and aluminum ash and is beneficial to the hydrolysis reaction.

[0038] The denitrification method of the aluminum ash slag denitrification reaction device doubles the contact area between water and aluminum ash by alternately layering aluminum ash and water, which is beneficial to the hydrolysis reaction. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] Figure 1 The overall structural schematic diagram of the aluminum ash slag denitrification reaction device is shown;

[0040] Figure 2 A schematic diagram of the internal structure of the outer shell is shown;

[0041] Figure 3 A schematic diagram of the structure of the stirring unit is shown;

[0042] Figure 4 The structure schematic diagram of the sealing sheet 1 and the sealing sheet 2 is shown;

[0043] Figure 5 The schematic diagram of the structure after the sealing sheet 1, the sealing sheet 2 and the stirring part are combined is shown;

[0044] Figure 6 It shows a schematic structural diagram of the stirring part and the material storage part in the first state;

[0045] Figure 7 A schematic diagram showing the structure of the stirring part and the material storage part in the second state is shown;

[0046] Figure 8 A schematic diagram of the structure of the inner shell in the mold opening state is shown.

[0047] Description of the drawings: 100, outer shell; 200, stirring part; 210, output motor; 220, bushing; 230, output shaft; 231, blade; 232, support ring; 240, connecting plate; 250, hydraulic push rod; 300, material storage part; 310, inner shell; 311, semicircular piece; 312, rib groove one; 313, rib groove two; 314, bidirectional screw rod; 315, guide rod; 320, sealing piece one; 330, sealing piece two; 331, notch; 340, water chamber; 350, aluminum ash chamber; 400, aluminum ash channel; 410, main channel one; 420, sub-channel one; 500, water channel; 510, main channel two; 520, sub-channel two. DETAILED DESCRIPTION

[0048] In order to make the purpose, technical solution and advantages of the embodiments of the present invention more clear, the technical solution of the present invention will be clearly and completely described below in conjunction with the embodiments.

[0049] In view of the prior art, due to the one-time input of a large amount of aluminum ash and water, when the cross-sectional area of ​​the container is certain, a large amount of aluminum ash and water will be stratified, making stirring difficult and not conducive to hydrolysis; the present application provides a new cavity structure, in which a cavity with a certain cross-sectional area is equally divided into a number of sub-cavities along the height direction, so that the aluminum ash and water are evenly distributed in the several sub-cavities, so that the contact area is increased several times, thereby improving the hydrolysis efficiency.

[0050] Figure 1 The overall structural schematic diagram of the aluminum ash slag denitrification reaction device is shown; Figure 2 A schematic diagram of the internal structure of the outer shell 100 is shown; Figure 1 and Figure 2In the present invention, the aluminum ash slag denitrification reaction device includes an outer shell 100, a stirring part 200 rotatably arranged in the middle of the outer shell 100, and a storage part 300 coaxially arranged outside the stirring part 200. An aluminum ash channel 400 and a water channel 500 are also inserted into the outer shell 100, and the aluminum ash channel 400 and the water channel 500 are both connected to the storage part 300. In actual use, aluminum ash is put into the storage part 300 through the aluminum ash channel 400, and water is put into the storage part 300 through the water channel 500, and then the stirring part 200 is driven to rotate in the storage part 300 to realize the hydrolysis reaction of aluminum ash and water.

[0051] Figure 3 Schematic diagram of the structure of the stirring part 200 is shown; Figure 4 A schematic diagram of the structure of the sealing sheet 1 320 and the sealing sheet 2 330 is shown; Figure 5 It shows a schematic structural diagram of the sealing sheet 1 320, the sealing sheet 2 330 and the stirring part 200 after being combined; Figure 6 The structure diagram of the stirring part 200 and the material storage part 300 in the first state is shown; Figure 7 The structure diagram of the stirring part 200 and the material storage part 300 in the second state is shown; Figure 3-Figure 7In the embodiment, the stirring part 200 includes an output motor 210, a sleeve 220 and an output shaft 230 connected in sequence along the axial direction, wherein the output motor 210 is mounted on the outer shell 100, the sleeve 220 is connected to the output end of the output motor 210, and the output shaft 230 and the sleeve 220 form a telescopic structure to allow telescopic movement; the output motor 210 is mounted on the outer shell 100, and can drive the sleeve 220 and the output shaft 230 to rotate coaxially when started, and because the sleeve 220 and the output shaft 230 allow telescopic movement, when driven by an external force, the output shaft 230 can be raised and lowered to telescope relative to the sleeve 220, that is, the sleeve 220 and the output shaft 230 can both rotate synchronously and move relative to each other along the axial direction; The output shaft 230 includes an inner housing 310 coaxially sleeved outside the output shaft 230, and a plurality of groups of sealing pieces 1 320 and sealing pieces 2 330 are alternately arranged along the axial path of the output shaft 230 in the inner housing 310. The plurality of groups of sealing pieces 1 320 and sealing pieces 2 330 cooperate with the inner housing 310 to form a water volume 340 and an aluminum ash volume 350 alternately spaced along the axial path. A blade 231 extends radially from the output shaft 230, and a notch 331 corresponding to the blade 231 is formed on the sealing piece 2 330. The output shaft 230 is driven by an external force to move axially and change between a first state and a second state. In the first state, the blade 231 is inserted into the notch 331, and the water volume 340 and the aluminum ash volume 350 separated by the sealing piece 2 330 are closed. 50 are not connected to each other; in the second state, the blade 231 is placed in the aluminum ash chamber 350, and the water chamber 340 is connected to the aluminum ash chamber 350 through the notch 331; water is put into the water chamber 340, and aluminum ash is put into the aluminum ash chamber 350. At this time, the blade 231 is still inserted into the notch 331, so that the water chamber 340 and the aluminum ash chamber 350 are not connected to each other, and the output shaft 230 is driven to move downward, that is, the blade 231 moves downward with the output shaft 230 and all enters the aluminum ash chamber 350, and the blockage of the notch 331 is released. The water in the water chamber 340 can flow into the aluminum ash chamber 350 through the notch 331 to achieve mixing, and then the output motor 210 is started to drive the output shaft 230 and the blade 231 to rotate, so that the aluminum ash chamber 350 0 to realize the hydrolysis reaction of aluminum ash and water, by changing the traditional single-layer structure, a multi-layer structure cavity is adopted to double the contact area between water and aluminum ash; at least two groups of blades 231 are arranged, which are evenly distributed around the output shaft 230; this is to facilitate the output shaft 230 to be better stirred and mixed when rotating, and it should be noted that the above-mentioned notches 331 correspond to the blades 231, that is to say, no matter the number and distribution of the blades 231, the notches 331 are arranged accordingly; the output shaft 230 is rotatably connected with a connecting plate 240, and the outer shell 100 is installed with a hydraulic push rod 250, the output end of the hydraulic push rod 250 is connected to the connecting plate 240, and the output direction of the hydraulic push rod 250 is parallel to the output shaft 230;When the hydraulic push rod 250 is started, the output end of the hydraulic push rod 250 can drive the connecting plate 240 and the output shaft 230 to move up and down, and ensure stability after the movement, and the connecting plate 240 and the output shaft 230 are rotatably connected, and the rotation of the output shaft 230 will not be affected; the aluminum ash channel 400 includes a main channel 1 410 arranged parallel to the output shaft 230 and a sub-channel 1 420 connected to the main channel 1 410, and the other end of the sub-channel 1 420 corresponds to the connected water chamber 340, and the water channel 500 includes a main channel 2 510 arranged parallel to the output shaft 230 and a sub-channel 1 520 connected to the main channel 2 10, the other end of the sub-channel 2 520 corresponds to the aluminum ash receiving cavity 350; the correspondence here refers to the correspondence in quantity, that is, the number of the sub-channel 1 420 corresponds to the number of the water receiving cavity 340, and the number of the sub-channel 2 520 corresponds to the number of the aluminum ash receiving cavity 350. In this way, water can be simultaneously added to a plurality of water receiving cavities 340 through the aluminum ash channel 400, and aluminum ash can be simultaneously added to a plurality of aluminum ash receiving cavities 350 through the water channel 500, which is convenient for feeding; the output shaft 230 and the sealing piece 1 320 and the sealing piece 2 330 are all slidably sealed; to ensure the sealing effect during relative movement. ;

[0052] Figure 8 A schematic diagram of the structure of the inner housing 310 in the mold opening state is shown; Figure 8 Combination Figure 3 as well as Figure 6The inner shell 310 includes two symmetrically arranged semicircular pieces 311, and a bidirectional screw rod 314 is rotatably arranged in the outer shell 100. The two semicircular pieces 311 are rotatably connected to the two sides of the bidirectional screw rod 314. The bidirectional screw rod 314 is driven to rotate by an external force and can drive the two semicircular pieces 311 to switch between the mold opening state and the mold closing state. In the mold opening state, the two semicircular pieces 311 are spaced apart from each other, and in the mold closing state, the two semicircular pieces 311 are attached to each other and form a hollow cylinder; an external motor is connected to one end of the bidirectional screw rod 314, which can drive the bidirectional screw rod 314 to rotate, so that the two The two semicircular pieces 311 move in opposite directions, and when the two pieces fit together, they form a mold, forming a complete hollow cylinder, and the two semicircular pieces 311 move away from each other to form an open mold, so that the hydrolyzed aluminum ash can be taken out, which is convenient for discharging; the two semicircular pieces 311 have ears extending radially outward on the mating surfaces, and the two-way screw rod 314 is rotatably connected to the ears of the semicircular pieces 311, and the other ear of the semicircular piece 311 is penetrated by a guide rod 315, and the guide rod 315 is fixedly connected to the outer shell 100; the ears are used to prevent the two-way screw rod 314 from interfering with the cylindrical inner cavity, and at the same time, the guide The rod 315 is used to ensure the sliding track of the semicircular piece 311; a plurality of groups of support rings 232 are arranged at intervals on the axial path outside the output shaft 230. In the mold opening state, the support rings 232 abut against the bottom walls of the sealing piece 1 320 and the sealing piece 2 330 and support them; the support rings 232 are used to support the sealing piece 1 320 and the sealing piece 2 330 to prevent the sealing piece 1 320 and the sealing piece 2 330 from sliding down, that is, the sealing piece 1 320 and the sealing piece 2 330 are both mounted on the support rings 232; the inner side of the semicircular piece 311 is alternately provided with rib grooves 1 312 and rib grooves 2 313 along the axial path, and the rib grooves Rib groove 1 312 corresponds to sealing piece 1 320, rib groove 2 313 corresponds to sealing piece 2 330, in the mold closing state, sealing piece 1 320 is inserted into rib groove 1 312, and sealing piece 2 330 is inserted into rib groove 2 313; rib groove 1 312 and rib groove 2 313 are used to limit the positions of sealing piece 1 320 and sealing piece 2 330, which can form a relay with the above-mentioned support ring 232, and maintain the relative position of sealing piece 1 320 and sealing piece 2 330 with respect to the outer shell 100 without changing whether in the first state, the second state, the mold opening state, or the mold closing state, which is conducive to repeated hydrolysis.

[0053] The denitrification method of the aluminum ash denitrification reaction device has the following specific steps:

[0054] S1, mold closing;

[0055] The bidirectional screw rod 314 is driven to rotate, so that the two semicircular pieces 311 are driven to approach and fit each other, so that the sealing piece 1 320 is inserted into the rib groove 1 312, and the sealing piece 2 330 is inserted into the rib groove 2 313, and the mold is closed;

[0056] S2, feeding;

[0057] The aluminum ash passage 400 is used to simultaneously feed materials into a plurality of water cavities 340 , and the aluminum ash passage 500 is used to simultaneously feed materials into a plurality of aluminum ash cavities 350 ;

[0058] S3, mixing;

[0059] The hydraulic push rod 250 is started, and the output end of the hydraulic push rod 250 drives the output shaft 230 to move downward into the second state, so that the water in the water chamber 340 flows into the aluminum ash chamber 350 through the notch 331 to complete the mixing;

[0060] S4, stirring;

[0061] The output motor 210 is started, and the output end of the output motor 210 drives the output shaft 230 and the blade 231 to rotate and stir in the aluminum ash chamber 350 to promote the reaction between the aluminum ash and the water;

[0062] S5, mold opening;

[0063] The hydraulic push rod 250 is started again, and the output end of the hydraulic push rod 250 drives the output shaft 230 to move upward and reset, drives the bidirectional screw rod 314 to reverse, drives the two semicircular pieces 311 to move away from each other, and completes the mold opening.

[0064] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them.

Claims

1. Aluminum ash denitrification reaction device, characterized in that: include: An outer shell (100); A stirring portion (200), the stirring portion (200) comprising a shaft sleeve (220) rotatably disposed on the outer shell (100) and an output shaft (230) connected to the other end of the shaft sleeve (220), the output shaft (230) and the shaft sleeve (220) forming a telescopic structure to allow telescopic movement, and blades (231) extending radially from the output shaft (230); and a material storage portion (300), the material storage portion (300) comprising an inner shell (310) coaxially sleeved outside the output shaft (230), a plurality of groups of sealing sheets (320) and sealing sheets (330) being alternately arranged in the inner shell (310) along the axial path of the output shaft (230), the plurality of groups of sealing sheets (320) and sealing sheets (330) cooperating with the inner shell (310) to form water containing cavities (340) and aluminum ash containing cavities (350) alternately arranged along the axial path, and a notch (331) corresponding to the blade (231) is provided on the sealing sheet (330); The output shaft (230) is driven by an external force to move axially and switch between a first state and a second state; In the first state, the blade (231) is inserted into the notch (331), and the water chamber (340) and the aluminum ash chamber (350) separated by the second sealing sheet (330) are not connected to each other; In the second state, the blade (231) is placed in the aluminum ash receiving cavity (350), and the water receiving cavity (340) is connected to the aluminum ash receiving cavity (350) through the notch (331).

2. The aluminum ash denitrification reaction device according to claim 1 is characterized in that: The blades (231) are provided in at least two groups and are evenly distributed around the output shaft (230).

3. The aluminum ash denitrification reaction device according to claim 2 is characterized in that: A connecting plate (240) is rotatably connected to the output shaft (230), a hydraulic push rod (250) is installed on the outer shell (100), an output end of the hydraulic push rod (250) is connected to the connecting plate (240), and an output direction of the hydraulic push rod (250) is parallel to the output shaft (230).

4. The aluminum ash denitrification reaction device according to claim 3 is characterized in that: An aluminum ash channel (400) and a water channel (500) are also inserted into the outer shell (100), and the aluminum ash channel (400) and the water channel (500) are both connected to the material storage portion (300). The aluminum ash channel (400) includes a main channel 1 (410) arranged parallel to the output shaft (230) and a sub-channel 1 (420) connected to the main channel 1 (410), and the other end of the sub-channel 1 (420) corresponds to the water storage cavity (340). The water channel (500) includes a main channel 2 (510) arranged parallel to the output shaft (230) and a sub-channel 2 (520) connected to the main channel 2 (510), and the other end of the sub-channel 2 (520) corresponds to the aluminum ash storage cavity (350).

5. The aluminum ash denitrification reaction device according to claim 4 is characterized in that: The output shaft (230) is slidably sealed with the first sealing piece (320) and the second sealing piece (330).

6. The aluminum ash denitrification reaction device according to claim 5, characterized in that: The inner housing (310) comprises two symmetrically arranged semicircular pieces (311), a bidirectional screw rod (314) is rotatably arranged in the outer housing (100), and the two semicircular pieces (311) are rotatably connected to two sides of the bidirectional screw rod (314); The bidirectional screw rod (314) is driven to rotate by an external force and can drive the two semicircular pieces (311) to switch between a mold opening state and a mold closing state; In the mold opening state, the two semicircular sheets (311) are spaced apart and face each other; In the mold closing state, the two semicircular sheets (311) are attached and combined to form a hollow cylinder.

7. The aluminum ash denitrification reaction device according to claim 6 is characterized in that: The butting surfaces of the two semicircular pieces (311) are provided with hanging ears extending radially outward, and the bidirectional screw rod (314) is rotatably connected to the hanging ears of the semicircular pieces (311).

8. The aluminum ash denitrification reaction device according to claim 6, characterized in that: A plurality of groups of support rings (232) are arranged at intervals on the axial path outside the output shaft (230); In the mold opening state, the support ring (232) contacts the bottom walls of the sealing piece 1 (320) and the sealing piece 2 (330) and supports them.

9. The aluminum ash denitrification reaction device according to claim 6, characterized in that: The inner side of the semicircular sheet (311) is provided with rib groove 1 (312) and rib groove 2 (313) alternately along the axial path, the rib groove 1 (312) corresponds to the sealing sheet 1 (320), and the rib groove 2 (313) corresponds to the sealing sheet 2 (330); In the mold closing state, the sealing piece 1 (320) is inserted into the rib groove 1 (312), and the sealing piece 2 (330) is inserted into the rib groove 2 (313).

10. The denitrification method for an aluminum ash denitrification reaction device according to any one of claims 1 to 9, characterized in that: The specific steps are as follows: S1, mold closing; The bidirectional screw rod (314) is driven to rotate, so that the two semicircular sheets (311) are driven to approach and fit each other, so that the sealing sheet 1 (320) is inserted into the rib groove 1 (312), and the sealing sheet 2 (330) is inserted into the rib groove 2 (313), thereby completing the mold closing; S2, feeding; Feeding materials into a plurality of water containing chambers (340) simultaneously through an aluminum ash channel (400), and feeding materials into a plurality of aluminum ash containing chambers (350) simultaneously through a water channel (500); S3, mixing; The hydraulic push rod (250) is started, and the output end of the hydraulic push rod (250) drives the output shaft (230) to move downward into the second state, so that the water in the water chamber (340) flows into the aluminum ash chamber (350) through the notch (331), thereby completing the mixing; S4, stirring; The output motor (210) is started, and the output end of the output motor (210) drives the output shaft (230) and the blades (231) to rotate and stir in the aluminum ash chamber (350) to promote the reaction between the aluminum ash and the water; S5, mold opening; The hydraulic push rod (250) is started again, and the output end of the hydraulic push rod (250) drives the output shaft (230) to move upward and reset, drives the bidirectional screw rod (314) to reverse, drives the two semicircular pieces (311) to move away from each other, and completes the mold opening.

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