Aluminum industry sludge recovery device and use method

Abstract

The invention relates to the technical field of sludge treatment, in particular to an aluminum industry sludge recovery device and a using method.The aluminum industry sludge recovery device comprises a supporting frame, a sludge recovery device body is fixedly installed at the top of the supporting frame, and a plurality of first feeding pipes are fixedly installed at the top of the sludge recovery device body; the sludge recycling device comprises a sludge recycling device body, a supporting frame is arranged on the sludge recycling device body, a discharging pipe is fixedly installed at the bottom of the sludge recycling device body, a dewatering mechanism is arranged on the supporting frame and comprises a fixing frame installed on the supporting frame, a gauze element is arranged on the fixing frame, fixing plates are symmetrically and fixedly installed on the surface of the fixing frame, and hydraulic cylinders are fixedly installed on the fixing plates. Two clamping plates connected with the hydraulic cylinder are arranged in the fixing frame. Through the arrangement of the dewatering mechanism, the dissolved sludge can be dewatered, so that moisture contained in the sludge is reduced, and the dewatered sludge can be better recycled.

Description

Technical Field

[0001] The invention relates to an aluminum industry sludge recovery device, in particular to an aluminum industry sludge recovery device and a use method, belonging to the technical field of sludge treatment. Background Art

[0002] The sludge produced by the aluminum profile industry has a complex composition. The types and contents of metal ions in the sludge of each manufacturer are different, which causes great pollution and toxicity to the environment and brings great difficulties to the treatment of sludge. In order to effectively utilize aluminum sludge, an aluminum sludge recovery device is needed.

[0003] Most of the existing sludge recovery devices adopt the method of adding a solvent and mixing the sludge and the solvent by stirring to dissolve and separate the sludge. Although the aluminum sludge is dissolved and recovered, the sludge recovery device does not have the function of dehydrating the sludge. After the dissolution treatment, the sludge still contains a large amount of water. If the sludge is not dehydrated, it is not conducive to better recovery of the sludge.

[0004] Therefore, there is an urgent need for an improved aluminum sludge recovery device and a method of use to solve the above-mentioned problems. Summary of the invention

[0005] The purpose of the present invention is to provide an aluminum industry sludge recovery device and a method of using the device. Through the setting of a dehydration mechanism, the dissolved sludge can be dehydrated. After the dissolved sludge falls into the gauze, the gauze can separate the sludge and sewage. The sewage directly penetrates the gauze and falls into the interior of the fixed frame. Then, two hydraulic cylinders are started at the same time to extend their output ends to drive the clamping plates to move, so that the two clamping plates squeeze the gauze to thoroughly dehydrate the sludge in the gauze to reduce the water content in the sludge. The sludge after dehydration can be better recovered.

[0006] In order to achieve the above object, the main technical solutions adopted by the present invention include:

[0007] A sludge recovery device for the aluminum industry comprises a support frame, a sludge recovery device body is fixedly mounted on the top of the support frame, a plurality of first feed pipes are fixedly mounted on the top of the sludge recovery device body, a discharge pipe is fixedly mounted on the bottom of the sludge recovery device body, a dewatering mechanism is arranged on the support frame, the dewatering mechanism comprises a fixed frame mounted on the support frame, a gauze is arranged on the fixed frame, a fixed plate is symmetrically fixedly mounted on the surface of the fixed frame, a hydraulic cylinder is fixedly mounted on the fixed plate, and two clamping plates connected to the hydraulic cylinder are arranged inside the fixed frame.

[0008] Preferably, support blocks are provided on both sides of the fixed frame, a spring is fixedly mounted on the support block, a clamping rod is fixedly mounted on one end of the spring, and a plurality of clamping grooves matched with the clamping rod are opened on the gauze net.

[0009] Preferably, slide rails are fixedly installed on both sides of the fixed frame, and sliding blocks connected to the support blocks are slidably installed on the slide rails.

[0010] Preferably, two fixing frames are symmetrically installed on the surface of the sludge recovery device body, and processing boxes connected to the first feed pipe are installed on the two fixing frames. Motors are fixedly installed on both sides of the processing box, and two crushing rollers connected to the motors are movably installed inside the processing box.

[0011] Preferably, a filter box is provided below the discharge pipe, a second feed pipe is fixedly mounted on the top of the filter box, a filter screen is fixedly mounted inside the filter box, and a discharge pipe is fixedly mounted on the bottom of the filter box.

[0012] Preferably, a first threaded tube is fixedly installed on the discharge pipe, a second threaded tube is fixedly installed on the second feed pipe, a threaded cylinder connected by threads is arranged between the first threaded tube and the second threaded tube, discharge ports are opened around the filter box, and a sealing plate is arranged on one side of the discharge port.

[0013] Preferably, a plurality of push rods are evenly and fixedly mounted on the surface of the threaded barrel, the surfaces of the push rods are provided with anti-slip grooves, and a plurality of bolts are installed between the sealing plate and the filter box.

[0014] Preferably, a recovery box is provided on one side of the support frame, a water pump is fixedly installed on one side of the recovery box, and a delivery pipe connected to the fixed frame is fixedly installed on the water pump.

[0015] Preferably, a first viewing window is fixedly mounted on the sealing plate, and a second viewing window is fixedly mounted on the top of the recycling box.

[0016] Preferably, an aluminum industry sludge recovery device and a method of use include the following steps:

[0017] S. Simultaneously start the two motors on the processing box to drive the crushing rollers to rotate, and then put the aluminum sludge block into the processing box. The sludge block is crushed by the stirring of the two crushing rollers. The crushed sludge falls into the sludge recovery device body through the first feeding pipe. The aluminum sludge is dissolved in the sludge recovery device body through stirring and mixing with the dissolving liquid;

[0018] S. The sludge after dissolution treatment is discharged into the filter box through the discharge pipe. The filter screen in the filter box can filter and separate the sludge and impurities. The sludge directly penetrates the filter screen and is discharged from the discharge pipe into the gauze, while the impurities are filtered and retained in the filter box;

[0019] S. After the sludge falls into the gauze, the gauze can separate the sludge and sewage. The sewage directly penetrates the gauze and falls into the fixed frame. Then, the two hydraulic cylinders are started at the same time to extend their output ends to drive the clamping plates to move, so that the two clamping plates squeeze the gauze to completely dehydrate the sludge in the gauze.

[0020] S. Start the water pump to extract the sewage in the fixed frame through the delivery pipe, and then discharge it into the recovery box for storage and collection, so that the sewage can be recycled and processed. Finally, after the sludge in the gauze is dehydrated, the gauze can be taken out of the fixed frame to recycle the sludge.

[0021] The present invention has at least the following beneficial effects:

[0022] By setting up the dewatering mechanism, the dissolved sludge can be dehydrated. After the dissolved sludge falls into the gauze, the gauze can separate the sludge and sewage. The sewage directly penetrates the gauze and falls into the inside of the fixed frame. Then, the two hydraulic cylinders are started at the same time to extend their output ends to drive the clamping plates to move, so that the two clamping plates squeeze the gauze to thoroughly dehydrate the sludge in the gauze to reduce the water content in the sludge. The sludge after dehydration can be better recycled. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0024] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0025] Figure 2 It is a schematic diagram of the gauze structure of the present invention;

[0026] Figure 3 It is a schematic diagram of the structure of the crushing roller of the present invention;

[0027] Figure 4 It is a schematic diagram of the structure of the first threaded tube and the second threaded tube of the present invention;

[0028] Figure 5 It is a schematic diagram of the internal structure of the filter box of the present invention;

[0029] Figure 6 It is a schematic diagram of the recycling box structure of the present invention.

[0030] In the figure, 1, support frame; 2, sludge recovery device body; 3, first feed pipe; 4, discharge pipe; 5, dehydration mechanism; 6, fixed frame; 7, gauze; 8, fixed plate; 9, hydraulic cylinder; 10, clamping plate; 11, support block; 12, spring; 13, clamping rod; 14, clamping groove; 15, slide rail; 16, slider; 17, fixed frame; 18, processing box; 19, motor; 20, crushing roller; 21, filter box; 22, second feed pipe; 23, filter screen; 24, first threaded pipe; 25, second threaded pipe; 26, threaded cylinder; 27, discharge port; 28, sealing plate; 29, push rod; 30, bolt; 31, recovery box; 32, water pump; 33, delivery pipe; 34, first window; 35, second window. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0032] like Figure 1-Figure 6 As shown, this embodiment provides an aluminum industry sludge recovery device and a method of use.

[0033] A sludge recovery device for the aluminum industry comprises a support frame 1, a sludge recovery device body 2 is fixedly mounted on the top of the support frame 1, a plurality of first feed pipes 3 are fixedly mounted on the top of the sludge recovery device body 2, a discharge pipe 4 is fixedly mounted on the bottom of the sludge recovery device body 2, a dehydration mechanism 5 is arranged on the support frame 1, the dehydration mechanism 5 comprises a fixed frame 6 mounted on the support frame 1, a gauze 7 is arranged on the fixed frame 6, a fixed plate 8 is symmetrically fixedly mounted on the surface of the fixed frame 6, a hydraulic cylinder 9 is fixedly mounted on the fixed plate 8, and two clamping plates 10 connected to the hydraulic cylinder 9 are arranged inside the fixed frame 6. By setting the dewatering mechanism 5, the dissolved sludge can be dehydrated. After the dissolved sludge falls into the gauze 7, the gauze 7 can separate the sludge and sewage. The sewage directly penetrates the gauze 7 and falls into the interior of the fixed frame 6. Then, the two hydraulic cylinders 9 are started at the same time to extend their output ends to drive the clamping plates 10 to move, so that the two clamping plates 10 squeeze the gauze 7 to thoroughly dehydrate the sludge in the gauze 7 to reduce the water content in the sludge. The sludge after dehydration can be better recycled.

[0034] In this embodiment, Figure 1-Figure 6As shown, support blocks 11 are provided on both sides of the fixed frame 6, a spring 12 is fixedly installed on the support block 11, a clamping rod 13 is fixedly installed on one end of the spring 12, a plurality of clamping grooves 14 adapted to the clamping rod 13 are provided on the gauze 7, slide rails 15 are fixedly installed on both sides of the fixed frame 6, a slider 16 connected to the support block 11 is slidably installed on the slide rail 15, two fixed frames 17 are symmetrically installed on the surface of the sludge recovery device body 2, a processing box 18 connected to the first feed pipe 3 is installed on the two fixed frames 17, motors 19 are fixedly installed on both sides of the processing box 18, and two crushing rollers 20 connected to the motor 19 are movably installed inside the processing box 18. By the arrangement of the support block 11, the spring 12, the clamping rod 13 and the clamping slot 14, the clamping rod 13 is inserted into the clamping slot 14 under the support of the support block 11 and extended by the spring 12, so that the gauze 7 in the fixed frame 6 can be fixed to prevent it from shaking and falling off. By the arrangement of the slide rail 15 and the slider 16, the support block 11 can be supported and moved. After the clamping rod 13 is disengaged and removed from the clamping slot 14, the support block 11 is moved to one side by relying on the sliding of the slider 16 on the slide rail 15, so that the clamping rod 13 is away from the clamping slot 14, thereby facilitating the disassembly and removal of the gauze 7 for the recovery and cleaning of the sludge. By the arrangement of the fixed frame 17, the processing box 18, the motor 19 and the crushing roller 20, before the sludge is recovered and processed, the sludge block is put into the processing box 18, and can be crushed by the crushing roller 20, so that the sludge can be better mixed with the dissolving liquid in the sludge recovery device body 2.

[0035] In this embodiment, Figure 1-Figure 6As shown, a filter box 21 is arranged below the discharge pipe 4, a second feed pipe 22 is fixedly installed on the top of the filter box 21, a filter screen 23 is fixedly installed inside the filter box 21, a discharge pipe is fixedly installed on the bottom of the filter box 21, a first threaded pipe 24 is fixedly installed on the discharge pipe 4, a second threaded pipe 25 is fixedly installed on the second feed pipe 22, a threaded tube 26 connected by threads is arranged between the first threaded tube 24 and the second threaded tube 25, discharge ports 27 are opened around the filter box 21, a sealing plate 28 is arranged on one side of the discharge port 27, a plurality of push rods 29 are evenly and fixedly installed on the surface of the threaded tube 26, the surface of the push rods 29 is provided with anti-slip grooves, and a plurality of bolts 30 are installed between the sealing plate 28 and the filter box 21. Through the arrangement of the filter box 21, the second feed pipe 22, the filter screen 23 and the discharge pipe, the sludge after the dissolution treatment is discharged into the filter box 21 through the discharge pipe 4. The filter screen 23 in the filter box 21 can filter and separate the sludge and impurities. The sludge directly penetrates the filter screen 23 and is discharged from the discharge pipe to the gauze 7, while the impurities are filtered and retained in the filter box 21, so as to reduce the impurities in the sludge and improve the quality of sludge recovery. Through the arrangement of the first threaded pipe 24, the second threaded pipe 25, the threaded barrel 26, the discharge port 27 and the sealing plate 28, the second feed pipe 22 on the filter box 21 is connected to the discharge pipe 4 under the support of the threaded barrel 26 connecting the first threaded pipe 24 and the second threaded pipe 25, and the threaded barrel 26 is rotated to make it pass through the first threaded pipe 24 or the second threaded pipe 25. After the threaded tube 25 is detached, the filter box 21 can be removed from the bottom of the discharge pipe 4. At this time, the sealing plates 28 around the filter box 21 are disassembled to facilitate cleaning of the impurities filtered in the filter box 21. After cleaning, the second threaded tube 25 is connected to the first threaded tube 24 and the threaded tube 26 to complete the installation connection between the filter box 21 and the discharge pipe 4. Through the arrangement of the push rod 29 and the bolt 30, a plurality of push rods 29 are arranged on the surface of the threaded tube 26, which can facilitate the pushing and rotating of the filter box 21 during installation and disassembly, and facilitate operation. The use of a plurality of bolts 30 to install the sealing plate 28 on the filter box 21 can not only make the sealing plate 28 installed more firmly to prevent it from falling off, but also realize the function of disassembling the sealing plate 28.

[0036] In this embodiment, Figure 1-Figure 6As shown, a recovery box 31 is provided on one side of the support frame 1, a water pump 32 is fixedly installed on one side of the recovery box 31, a delivery pipe 33 connected to the fixed frame 6 is fixedly installed on the water pump 32, a first viewing window 34 is fixedly installed on the sealing plate 28, and a second viewing window 35 is fixedly installed on the top of the recovery box 31. Through the arrangement of the recovery box 31, the water pump 32 and the delivery pipe 33, the sewage filtered and squeezed out of the fixed frame 6 can be collected so as to recycle the sewage for use, and through the arrangement of the first viewing window 34 and the second viewing window 35, the first viewing window 34 is arranged on the sealing plate 28 so as to facilitate the inspection of the impurities filtered in the filter box 21 so as to clean it in time and prevent blockage, and the second viewing window 35 is arranged on the recovery box 31 so as to inspect the sewage capacity recovered therein so as to discharge it in time.

[0037] In this embodiment, if Figure 1-Figure 6 As shown, the working process of an aluminum industry sludge recovery device and a method of use provided in this embodiment is as follows:

[0038] Step 1, simultaneously start the two motors 19 on the processing box 18 to drive the crushing roller 20 to rotate, and then put the aluminum industry sludge block into the processing box 18, and the sludge block is crushed by the stirring of the two crushing rollers 20, and the crushed sludge falls into the sludge recovery device body 2 through the first feeding pipe 3, and the aluminum industry sludge is dissolved in the sludge recovery device body 2 through stirring and mixing with the dissolving liquid;

[0039] Step 2: The sludge after the dissolution treatment is discharged into the filter box 21 through the discharge pipe 4. The filter screen 23 in the filter box 21 can filter and separate the sludge and impurities. The sludge directly penetrates the filter screen 23 and is discharged from the discharge pipe to the gauze 7, while the impurities are filtered and retained in the filter box 21.

[0040] Step 3, after the sludge falls into the gauze 7, the gauze 7 can separate the sludge and sewage, and the sewage directly penetrates the gauze 7 and falls into the interior of the fixed frame 6, and then the two hydraulic cylinders 9 are started at the same time to extend their output ends to drive the clamping plates 10 to move, so that the two clamping plates 10 squeeze the gauze 7 to completely dehydrate the sludge in the gauze 7;

[0041] Step 4, start the water pump 32 to extract the sewage in the fixed frame 6 through the delivery pipe 33, and then discharge it into the recovery box 31 for storage and collection, so that the sewage can be recycled and processed. Finally, after the sludge in the gauze 7 is dehydrated, the gauze 7 can be taken out of the fixed frame 6 to recycle the sludge.

[0042] In summary, in this embodiment, according to an aluminum industry sludge recovery device and use method of this embodiment, through the arrangement of the support block 11, the spring 12, the clamping rod 13 and the clamping slot 14, under the support of the support block 11 and extended by the spring 12, the clamping rod 13 is inserted into the clamping slot 14 to be engaged, so that the gauze 7 in the fixed frame 6 can be fixed to prevent it from shaking and falling off. Through the arrangement of the slide rail 15 and the slider 16, the support block 11 can be supported and moved. After the clamping rod 13 is disengaged and removed from the clamping slot 14, the support block 11 is moved to one side by relying on the sliding of the slider 16 on the slide rail 15, so that the clamping rod 13 is away from the clamping slot 14, thereby facilitating the disassembly and removal of the gauze 7, so as to recover and clean the sludge. The setting of the machine 19 and the crushing roller 20, before the sludge recovery treatment, the sludge block is put into the processing box 18, which can be crushed by the crushing roller 20, so that the sludge can be better mixed with the dissolved liquid in the sludge recovery device body 2, and the sludge after the dissolution treatment is discharged into the filter box 21 through the discharge pipe 4 through the setting of the filter box 21, the second feed pipe 22, the filter screen 23 and the discharge pipe. The filter screen 23 in the filter box 21 can filter and separate the sludge and impurities. The sludge directly penetrates the filter screen 23 and is discharged from the discharge pipe to the gauze 7, while the impurities are filtered and retained in the filter box 21, so as to reduce the impurities in the sludge and improve the quality of sludge recovery. Through the first threaded pipe 24, the second threaded pipe 25, the threaded cylinder 26, the discharge port 27 and the sealing plate 28 is set, the second feed pipe 22 on the filter box 21 is connected to the discharge pipe 4 under the support of the threaded tube 26 connecting the first threaded tube 24 and the second threaded tube 25. After the threaded tube 26 is rotated to disengage it from the first threaded tube 24 or the second threaded tube 25, the filter box 21 can be removed from the bottom of the discharge pipe 4. At this time, the sealing plates 28 around the filter box 21 are disassembled to facilitate cleaning of impurities filtered in the filter box 21. After cleaning, the second threaded tube 25 is connected to the first threaded tube 24 and the threaded tube 26 to complete the installation connection between the filter box 21 and the discharge pipe 4. Through the setting of the push rod 29 and the bolt 30, a plurality of push rods 29 are set on the surface of the threaded tube 26 to facilitate installation and disassembly of the filter box 21. It is pushed and rotated for easy operation, and a plurality of bolts 30 are used to install the sealing plate 28 on the filter box 21, which can not only make the sealing plate 28 installed more firmly to prevent it from falling off, but also realize the function of disassembling the sealing plate 28. Through the arrangement of the recovery box 31, the water pump 32 and the delivery pipe 33, the sewage filtered and squeezed out of the fixed frame 6 can be collected so as to recycle the sewage for use. Through the arrangement of the first window 34 and the second window 35, the first window 34 is arranged on the sealing plate 28, which can facilitate the viewing of the impurities filtered in the filter box 21, so as to clean it in time to prevent blockage. The second window 35 is arranged on the recovery box 31, which can view the sewage capacity recovered therein, so as to discharge it in time.

[0043] For example, certain words are used in the specification and claims to refer to specific components. Those skilled in the art should understand that hardware manufacturers may use different terms to refer to the same component. This specification and claims do not use differences in names as a way to distinguish components, but use differences in the functions of components as the criteria for distinction. For example, "including" mentioned throughout the specification and claims is an open term, so it should be interpreted as "including but not limited to". "Approximately" means that within an acceptable error range, those skilled in the art can solve technical problems within a certain error range and basically achieve technical effects.

[0044] It should be noted that the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a product or system including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such product or system. In the absence of more restrictions, the elements defined by the sentence "comprises a ..." do not exclude the existence of other identical elements in the product or system including the elements.

[0045] The above description shows and describes several preferred embodiments of the present invention, but as mentioned above, it should be understood that the present invention is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the invention concept described herein through the above teachings or the technology or knowledge of the relevant field. Changes and variations made by those skilled in the art do not depart from the spirit and scope of the present invention, and should be within the scope of protection of the claims attached to the present invention.

Claims

1. A sludge recovery device for aluminum industry, comprising a support frame (1), a sludge recovery device body (2) is fixedly mounted on the top of the support frame (1), a plurality of first feed pipes (3) are fixedly mounted on the top of the sludge recovery device body (2), and a discharge pipe (4) is fixedly mounted on the bottom of the sludge recovery device body (2), characterized in that: The support frame (1) is provided with a dehydration mechanism (5), the dehydration mechanism (5) comprising a fixed frame (6) mounted on the support frame (1), a gauze (7) being provided on the fixed frame (6), a fixed plate (8) being symmetrically fixedly mounted on the surface of the fixed frame (6), a hydraulic cylinder (9) being fixedly mounted on the fixed plate (8), and two clamping plates (10) connected to the hydraulic cylinder (9) being provided inside the fixed frame (6).

2. The aluminum industry sludge recovery device according to claim 1 is characterized by: Support blocks (11) are provided on both sides of the fixed frame (6), a spring (12) is fixedly mounted on the support block (11), a clamping rod (13) is fixedly mounted on one end of the spring (12), and a plurality of clamping grooves (14) adapted to the clamping rod (13) are provided on the gauze net (7).

3. The aluminum industry sludge recovery device according to claim 2 is characterized in that: Slide rails (15) are fixedly mounted on both sides of the fixed frame (6), and sliding blocks (16) connected to the support blocks (11) are slidably mounted on the slide rails (15).

4. The aluminum industry sludge recovery device according to claim 1 is characterized by: Two fixing frames (17) are symmetrically mounted on the surface of the sludge recovery device body (2), and a processing box (18) connected to the first feeding pipe (3) is mounted on the two fixing frames (17). Motors (19) are fixedly mounted on both sides of the processing box (18), and two crushing rollers (20) connected to the motors (19) are movably mounted inside the processing box (18).

5. The aluminum industry sludge recovery device according to claim 1 is characterized by: A filter box (21) is arranged below the discharge pipe (4), a second feed pipe (22) is fixedly installed on the top of the filter box (21), a filter screen (23) is fixedly installed inside the filter box (21), and a discharge pipe is fixedly installed at the bottom of the filter box (21).

6. The aluminum industry sludge recovery device according to claim 5 is characterized by: A first threaded tube (24) is fixedly mounted on the discharge tube (4), a second threaded tube (25) is fixedly mounted on the second feed tube (22), a threaded cylinder (26) connected by threads is arranged between the first threaded tube (24) and the second threaded tube (25), discharge ports (27) are arranged on all four sides of the filter box (21), and a sealing plate (28) is arranged on one side of the discharge port (27).

7. The aluminum industry sludge recovery device according to claim 6 is characterized by: A plurality of push rods (29) are evenly and fixedly mounted on the surface of the threaded cylinder (26), and the surface of the push rods (29) is provided with anti-slip grooves. A plurality of bolts (30) are mounted between the sealing plate (28) and the filter box (21).

8. The aluminum industry sludge recovery device according to claim 7 is characterized by: A recovery box (31) is provided on one side of the support frame (1), a water pump (32) is fixedly mounted on one side of the recovery box (31), and a delivery pipe (33) connected to the fixed frame (6) is fixedly mounted on the water pump (32).

9. The aluminum industry sludge recovery device according to claim 8, characterized in that: A first viewing window (34) is fixedly mounted on the sealing plate (28), and a second viewing window (35) is fixedly mounted on the top of the recovery box (31).

10. The aluminum industry sludge recovery device and use method according to claim 1, characterized in that: The following steps are involved: S1. Simultaneously start the two motors (19) on the processing box (18) to drive the crushing roller (20) to rotate, then put the aluminum sludge block into the processing box (18), and crush the sludge block through the stirring of the two crushing rollers (20). The crushed sludge falls into the sludge recovery device body (2) through the first feeding pipe (3), and the aluminum sludge is dissolved in the sludge recovery device body (2) through stirring and mixing with the dissolving liquid; S2, the sludge after the dissolution treatment is discharged into the filter box (21) through the discharge pipe (4), and the filter screen (23) in the filter box (21) can filter and separate the sludge and impurities. The sludge directly penetrates the filter screen (23) and is discharged from the discharge pipe to the gauze (7), while the impurities are filtered and retained in the filter box (21); S3, after the sludge falls into the gauze (7), the gauze (7) can separate the sludge and the sewage, and the sewage directly penetrates the gauze (7) and falls into the interior of the fixed frame (6), and then the two hydraulic cylinders (9) are simultaneously started to extend their output ends to drive the clamping plates (10) to move, so that the two clamping plates (10) squeeze the gauze (7) to completely dehydrate the sludge in the gauze (7); S4, starting the water pump (32) to extract the sewage in the fixed frame (6) through the delivery pipe (33), and then discharge it into the recovery box (31) for storage and collection, so that the sewage can be recycled and processed. Finally, after the sludge in the gauze (7) is dehydrated, the gauze (7) can be taken out of the fixed frame (6) to recycle the sludge.

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