Non-contact cooling secondary aluminum ash pyrogenic process treatment cooling settling tower and cooling method

Abstract

The invention relates to the technical field of aluminum ash treatment, in particular to a non-contact cooling and settling tower for pyrogenic treatment of secondary aluminum ash and a cooling method, the non-contact cooling and settling tower comprises a cooling and settling tower body, and the cooling and settling tower body is internally provided with a snake-shaped cooling pipe of a layered structure; the feeding hole and the discharging hole are respectively formed in two sides of the cooling settling tower body; the mounting frame is mounted on the feeding hole in a sliding manner, and two groups of filter plates are detachably mounted on the mounting frame; the switching structure is arranged on the cooling settling tower body and is connected with the mounting frame, the switching assembly can enable the two groups of filter plates to be alternately matched with the feeding hole, so that when one group of filter plates is blocked by impurities, the switching structure can drive the other group of filter plates to be switched to an area matched with the feeding hole, and the other group of filter plates can be switched to an area matched with the feeding hole. Therefore, the impurity filtering effect of the filter plate is improved, the speed of the aluminum ash entering the cooling settling tower body is more constant, and the treatment capacity and effect of the cooling settling tower body are improved.

Description

Technical Field

[0001] The invention relates to the technical field of aluminum ash treatment, in particular to a contactless cooling secondary aluminum ash pyrometallurgical treatment cooling settling tower and a cooling method. Background Art

[0002] Aluminum ash is a byproduct produced during the aluminum production process. Its main components are aluminum oxide and impurities. Due to its high aluminum oxide content, it has a wide range of application value. Aluminum ash can be used to prepare aluminum ingots, aluminum alloys and ceramic materials.

[0003] At present, there are two common methods for treating secondary aluminum ash: wet method and pyrolysis method. In the pyrolysis method for treating secondary aluminum ash, a cooling and settling tower is required in the post-processing part, and in order to improve the cooling effect, the serpentine cooling pipe in the cooling and settling tower needs to be scraped regularly to prevent aluminum ash dust from adhering to the serpentine cooling pipe and causing a decrease in heat exchange effect.

[0004] The traditional serpentine cooling tube scraping device only scrapes with a brush plate. Although it can reduce the adhesion of aluminum ash, the aluminum ash will adhere to the brush plate, causing the aluminum ash to be carried to the serpentine cooling tube when the brush plate scrapes next time, resulting in problems such as irrational scraping effect and poor heat exchange performance. Summary of the invention

[0005] The object of the present invention is to provide a contact-free cooling secondary aluminum ash pyrometallurgical treatment cooling and settling tower and a cooling method to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a contactless cooling and settling tower for secondary aluminum ash pyroprocessing, comprising: a cooling and settling tower body, wherein a serpentine cooling tube with a layered structure is arranged in the cooling and settling tower body; a brush plate is equidistantly arranged in the cooling and settling tower body along the vertical direction of the space, and the brush plate is used to scrape the serpentine cooling tube; a driving assembly is arranged in the cooling and settling tower body, and the driving assembly can drive the brush plate to reciprocate along the length direction of the serpentine cooling tube; a guide plate is installed on the inner wall of the cooling and settling tower body, and a switching groove is arranged on the guide plate, and an engaging shaft rotatably connected to the driving assembly cooperates with the switching groove, so that when the brush plate moves to the end of the stroke at one end, it can first move upward and then move downward in a step-like manner.

[0007] As a further solution of the present invention: the driving assembly includes a linear driving module fixedly installed in the cooling and settling tower body, the linear driving module is detachably mounted with a connecting plate, and the connecting plate is connected to a plurality of vertical shafts arranged along the vertical direction of the space; the driving assembly also includes a side plate fixedly connected to the end of the brush plate, a connecting sleeve is fixedly mounted on the side plate, and the connecting sleeve is slidably connected to the vertical shaft; a first columnar spring is sleeved on the vertical shaft, one end of the first columnar spring is connected to the connecting sleeve, and the other end is connected to a limit ring mounted on the vertical shaft.

[0008] As a further solution of the present invention: the switching groove includes a first horizontal groove arranged along the length direction of the guide plate, a first inclined groove is arranged near the end of the first horizontal groove, and the end of the first inclined groove away from the first horizontal groove is connected to the end of the first horizontal groove through a vibration generating groove; a guide is rotatably installed at one end of the first inclined groove close to the first horizontal groove, and the guide can guide the mating shaft into the first inclined groove.

[0009] As a further solution of the present invention: the vibration generating groove includes two groups of step grooves connected end to end, wherein the head of one group of step grooves is connected to the tail of the first inclined groove, and the tail of the other group of step grooves is connected to the end of the first horizontal groove; the step groove includes a second horizontal groove and a first vertical groove arranged vertically.

[0010] As a further solution of the present invention: it also includes: a feed port and a discharge port, the feed port and the discharge port are respectively arranged on both sides of the cooling and settling tower body; a mounting frame, slidably mounted on the feed port, and two groups of filter plates are detachably mounted on the mounting frame; a switching structure, arranged on the cooling and settling tower body and connected to the mounting frame, and the switching component can make the two groups of filter plates alternately cooperate with the feed port.

[0011] As a further solution of the present invention: two groups of through holes matching the filter plate are symmetrically arranged on the mounting frame, a limiting groove is arranged at one end of the side wall of the through hole, and the convex shaft arranged at one end of the filter plate is adapted to the limiting groove; the other end of the filter plate is an arc structure, and the arc structure is adapted to the extrusion structure arranged on the side wall of the through hole.

[0012] As a further solution of the present invention: the extrusion structure includes a hysteresis groove arranged on the mounting frame, a locking block is slidably installed in the hysteresis groove, and the locking block is connected to the inner wall of the hysteresis groove by a second cylindrical spring; a side groove is formed at the end of the hysteresis groove, and a limiting portion arranged on the locking block is slidably matched with the side groove; an inclined guide surface and a locking groove are formed at one end of the locking block facing the filter plate, and the circumferential radius of the locking groove is the same as the circumferential radius of the arc structure.

[0013] As a further solution of the present invention: the switching structure includes an electric telescopic rod fixedly installed on the cooling and sedimentation tower body, and a groove wheel is rotatably installed on the action end of the electric telescopic rod; the switching structure also includes a driving plate fixedly connected to the mounting frame, and a second inclined groove is arranged on the driving plate, and a group of second vertical grooves are respectively arranged at both ends of the second inclined groove.

[0014] The cooling method for secondary aluminum ash pyrometallurgical treatment using the cooling and settling tower comprises the following steps: Step 1: Use a booster conveying device to pump the aluminum ash into the feed port. After the aluminum ash is cooled by the serpentine cooling pipe, it is discharged from the discharge port. Step 2: After the predetermined time of step 1, the driving component is controlled to move, and the driving component drives the brush plate to perform a reciprocating motion, and when the brush plate is reset, the engaging shaft cooperates with the switching slot to enable the brush plate to move upward, and then the brush plate moves downward in a step-by-step manner, so as to vibrate and shake off the aluminum ash adhering to the brush plate; Step 3: When the pressure on the side of the feed inlet away from the cooling and settling tower body increases, the switching structure moves to drive the mounting frame to move horizontally, and another set of filter plates cooperates with the feed inlet to remove impurities in the aluminum ash; Step 4: Remove the filter plate that originally matched the feed inlet, clean it and reinstall it on the mounting frame.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: by setting the interlocking shaft and the guide plate, when the brush plate follows the movement of the linear drive module, the aluminum ash dust on the serpentine cooling tube can be scraped off, and in the process of resetting the brush plate, the interlocking shaft cooperates with the step groove to enable the brush plate to perform multiple falling vibration actions to shake off the aluminum ash dust adhering to the brush plate, reduce the residual amount of aluminum ash dust on the brush plate, and enable the brush plate to better wipe off the aluminum ash dust on the serpentine cooling tube when the brush plate moves next time, further improving the cooling effect of the aluminum ash; by setting The mounting frame, filter plate and switching structure can, on the one hand, realize the rapid disassembly of the filter plate, so that after the filter plate is blocked by impurities, the filter plate can be disassembled and tilted more conveniently, reducing the complexity and difficulty of operation; on the other hand, when one group of filter plates is blocked by impurities during the filtration process, the groove wheel cooperates with the second inclined groove to drive the mounting frame to move, and switch the other group of filter plates to the area cooperating with the feed inlet, thereby improving the filtering effect of the filter plate on impurities, and making the speed of aluminum ash entering the cooling and settling tower body more constant, thereby improving the processing capacity and effect of the cooling and settling tower body. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A structural schematic diagram of an embodiment of a secondary aluminum ash pyroprocessing cooling and settling tower for non-contact cooling; Figure 2 A schematic structural diagram of another angle of an embodiment of a secondary aluminum ash pyroprocessing cooling and settling tower for non-contact cooling; Figure 3 A schematic diagram of the internal structure of a cooling and settling tower body in one embodiment of a secondary aluminum ash pyroprocessing cooling and settling tower for non-contact cooling; Figure 4 A schematic diagram of the structure of a brush plate, a drive assembly and a guide plate in an embodiment of a secondary aluminum ash pyrometallurgical treatment cooling and settling tower for contactless cooling; Figure 5 An exploded view of the structure of a brush plate, a drive assembly and a guide plate in one embodiment of a secondary aluminum ash pyrometallurgical treatment cooling and settling tower for contactless cooling; Figure 6 A schematic diagram of the planar structure of a guide plate in one embodiment of a secondary aluminum ash pyroprocessing cooling and settling tower for non-contact cooling; Figure 7 A schematic diagram of a mounting frame and a switching structure in one embodiment of a secondary aluminum ash pyrometallurgy cooling and settling tower for contactless cooling; Figure 8 A schematic diagram of the structure of a filter plate and a mounting frame in one embodiment of a secondary aluminum ash pyroprocessing cooling and settling tower for non-contact cooling; Fig. 9 A schematic structural diagram of a mounting frame, a locking block and a limiting groove in an embodiment of a secondary aluminum ash pyrometallurgical treatment cooling and settling tower for contactless cooling.

[0017] In the figure: 1, cooling and settling tower body; 101, feed port; 102, discharge port; 2, serpentine cooling pipe; 3, linear drive module; 4, connecting plate; 5, vertical shaft; 501, limit ring; 6, first cylindrical spring; 7, side plate; 701, connecting sleeve; 8, brush plate; 9, embedded shaft; 10, guide plate; 1001, first horizontal groove; 1002, first inclined groove; 1003, second horizontal groove; 1004, first Vertical slot; 11. Guide; 12. Electric telescopic rod; 13. Groove wheel; 14. Drive plate; 1401. Second inclined slot; 1402. Second vertical slot; 15. Mounting frame; 1501. Limiting slot; 16. Filter plate; 1601. Protruding shaft; 17. Locking block; 1701. Inclined guide surface; 1702. Locking slot; 1703. Limiting part; 18. Delay slot; 1801. Side slot; 19. Second cylindrical spring. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] In addition, when an element in the present invention is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only embodiment.

[0020] See also Figure 1 to Figure 9 In an embodiment of the present invention, a contactless cooling and settling tower for secondary aluminum ash pyrometallurgical treatment includes: a cooling and settling tower body 1, a brush plate 8, a drive assembly and a guide plate 10, so that when the brush plate 8 follows the movement of the linear drive module 3, the aluminum ash dust on the serpentine cooling tube 2 can be scraped off, and during the resetting process of the brush plate 8, the engaging shaft 9 cooperates with the step groove to enable the brush plate 8 to perform multiple falling and vibrating actions to shake off the aluminum ash dust adhering to the brush plate 8, reduce the residual amount of aluminum ash dust on the brush plate 8, and enable the brush plate 8 to better wipe off the aluminum ash dust on the serpentine cooling tube 2 when the brush plate 8 moves next time, thereby further improving the cooling effect on the aluminum ash.

[0021] The cooling and settling tower body 1 is provided with a serpentine cooling tube 2 with a layered structure. When in use, a coolant is circulated and pumped into the serpentine cooling tube 2, and heat exchange can be performed when the aluminum ash enters the cooling and settling tower body 1, thereby cooling the aluminum ash. The brush plates 8 are equidistantly arranged in the cooling and settling tower body 1 in the vertical direction of the space, and the brush plates 8 are used to scrape the serpentine cooling tube 2. The driving component is arranged in the cooling and settling tower body 1, and the driving component can drive the brush plates 8 to reciprocate along the length direction of the serpentine cooling tube 2. The driving component includes a brush plate 8 fixedly mounted on the cooling and settling tower body 1. The linear drive module 3 in the cooling and settling tower body 1 has a connecting plate 4 detachably installed on the linear drive module 3, and the connecting plate 4 is connected to a plurality of vertical shafts 5 arranged along the vertical direction of the space; the drive assembly also includes a side plate 7 fixedly connected to the end of the brush plate 8, and a connecting sleeve 701 is fixedly installed on the side plate 7, and the connecting sleeve 701 is slidably connected to the vertical shaft 5; a first columnar spring 6 is sleeved on the vertical shaft 5, and one end of the first columnar spring 6 is connected to the connecting sleeve 701, and the other end is connected to a limit ring 501 installed on the vertical shaft 5.

[0022] When in use, aluminum ash enters the cooling and settling tower body 1 and exchanges heat with the serpentine cooling tube 2, thereby reducing the temperature of the aluminum ash. During this process, aluminum ash with smaller particle size will adhere to the serpentine cooling tube 2 due to gravity and electrostatic adsorption force. At this time, the linear drive module 3 is controlled to move, which can drive the connecting plate 4, the vertical shaft 5 and the brush plate 8 to move. At the same time, in the initial state, the first column spring 6 is in a compressed state, so that the brush plate 8 has a force acting on the serpentine cooling tube 2, so that when the brush plate 8 moves along the length direction of the serpentine cooling tube 2, the aluminum ash dust adhering to the serpentine cooling tube 2 can be scraped off, thereby improving the heat exchange effect between the aluminum ash and the serpentine cooling tube 2, and cooling the aluminum ash to the greatest extent.

[0023] Through the above-mentioned arrangement, the serpentine cooling tube 2 can be wiped during the reciprocating motion of the brush plate 8, thereby wiping off the aluminum ash dust adhering to the serpentine cooling tube 2 due to gravity, electrostatic adsorption force and the like, thereby improving the heat exchange effect between the aluminum ash and the serpentine cooling tube 2 and ensuring that the aluminum ash can be cooled to a predetermined temperature.

[0024] See also Figure 5 , Figure 6 The guide plate 10 is installed on the inner wall of the cooling and settling tower body 1, and a switching groove is provided on the guide plate 10. The engaging shaft 9 rotatably connected to the side plate 7 cooperates with the switching groove, so that when the brush plate 8 moves to the end of the stroke at one end, it first moves upward and then moves downward in a step-like manner; the switching groove includes a first horizontal groove 1001 arranged along the length direction of the guide plate 10, and the first horizontal groove 1001 is provided with a first inclined groove 1002 near its end, and the first inclined groove 1002 is away from the One end of the first horizontal groove 1001 is connected to the end of the first horizontal groove 1001 through a vibration generating groove; a guide member 11 is rotatably installed at one end of the first inclined groove 1002 close to the first horizontal groove 1001, and the guide member 11 can guide the interlocking shaft 9 into the first inclined groove 1002; the vibration generating groove includes two groups of step grooves connected end to end, wherein the head of one group of step grooves is connected to the tail of the first inclined groove 1002, and the tail of the other group of step grooves is connected to the end of the first horizontal groove 1001.

[0025] Specifically, the step groove includes a second horizontal groove 1003 and a first vertical groove 1004 arranged vertically, and the second horizontal groove 1003 on the same group of step grooves is connected to the first vertical groove 1004, see Figure 6, define that the guide plate 10 is placed vertically, and the two step grooves are distributed along the vertical direction, and define: the step groove located at the top is the first step groove, and the step groove located at the bottom is the second step groove, the second horizontal groove 1003 on the first step groove is connected to the first inclined groove 1002, the first vertical groove 1004 on the first step groove is connected to the second horizontal groove 1003 on the second step groove, and the first vertical groove 1004 on the second step groove is connected to the first horizontal groove 1001.

[0026] In the initial state, the engaging shaft 9 is in the first horizontal groove 1001, close to one end of the first vertical groove 1004. At this time, when the linear drive module 3 drives the brush plate 8 to move horizontally to wipe off the aluminum ash dust on the serpentine cooling tube 2, the engaging shaft 9 will move along the length direction of the first horizontal groove 1001, and as the movement proceeds, the engaging shaft 9 will abut against the guide member 11 and drive the guide member 11 to deflect. Under the continuous movement of the engaging shaft 9, the guide member 11 will separate from the engaging shaft 9. At this time, under the action of gravity, the guide member 11 can automatically reset. When the brush plate 8 moves to the end of the stroke, the linear drive module 3 will drive the brush plate 8 to move in the opposite direction. At this time, when the engaging shaft 9 abuts against the guide member 11 again, the lower end of the guide member 11 abuts against the lower side wall of the first horizontal groove 1001 and cannot deflect. At this time, the guide member 11 has a guiding effect on the engaging shaft 9, so that the engaging shaft 9 The engaging shaft 9 can move along the first inclined groove 1002, and drive the brush plate 8 to move obliquely upward and separate from the serpentine cooling tube 2 (the first column spring 6 is further compressed), and as the movement proceeds, the engaging shaft 9 will move to the second horizontal groove 1003, and when the engaging shaft 9 moves to the end of the second horizontal groove 1003 close to the first vertical groove 1004, the first column spring 6 can release elastic potential energy to drive the engaging shaft 9 to move along the first vertical groove 1004 to make the brush plate 8 move downward quickly until the engaging shaft 9 moves to another second horizontal groove 1003, and the brush plate 8 will stop moving downward instantly, so that the brush plate 8 can vibrate and shake off the aluminum ash dust adhered to the brush plate 8, thereby avoiding the aluminum ash being brought back to the serpentine cooling tube 2 due to the aluminum ash dust adhered to the brush plate 8 during multiple scraping processes, thereby further improving the scraping effect of the aluminum ash on the serpentine cooling tube 2.

[0027] It is worth noting that due to the provision of two sets of stepped grooves, two shaking-off actions can be performed during the resetting of the brush plate 8, so as to shake off the aluminum ash adhering to the brush plate 8 as much as possible, and when the interlocking shaft 9 moves to the end of the stroke, the interlocking shaft 9 can be reset from the first vertical groove 1004 to the end of the first horizontal groove 1001.

[0028] Through the above-mentioned arrangement, when the brush plate 8 follows the movement of the linear drive module 3, the aluminum ash dust on the serpentine cooling tube 2 can be scraped off, and in the process of resetting the brush plate 8, the interlocking shaft 9 cooperates with the step groove to enable the brush plate 8 to perform multiple falling vibration actions to shake off the aluminum ash dust adhering to the brush plate 8, thereby reducing the residual amount of aluminum ash dust on the brush plate 8, and enabling the brush plate 8 to better wipe off the aluminum ash dust on the serpentine cooling tube 2 when the brush plate 8 moves next time, thereby further improving the cooling effect of the aluminum ash.

[0029] See also Figure 1 , Figure 7~Figure 9 The contactless cooling and settling tower for secondary aluminum ash pyrometallurgy treatment also includes: a feed port 101 and a discharge port 102, a mounting frame 15 and a switching structure.

[0030] The feed port 101 and the discharge port 102 are respectively arranged on both sides of the cooling and settling tower body 1; the mounting frame 15 is slidably installed on the feed port 101, and two groups of filter plates 16 are detachably installed on the mounting frame 15; two groups of through holes matching the filter plates 16 are symmetrically arranged on the mounting frame 15, and a limiting groove 1501 is arranged at one end of the side wall of the through hole, and a convex shaft 1601 arranged at one end of the filter plate 16 is adapted to the limiting groove 1501; the other end of the filter plate 16 is an arc structure, and the arc structure is adapted to the extrusion structure arranged on the side wall of the through hole, The extrusion structure includes a hysteresis groove 18 arranged on the mounting frame 15, a locking block 17 is slidably installed in the hysteresis groove 18, and the locking block 17 is connected to the inner wall of the hysteresis groove 18 by a second cylindrical spring 19; a side groove 1801 is formed at the end of the hysteresis groove 18, and a limiting portion 1703 arranged on the locking block 17 is slidably matched with the side groove 1801; an inclined guiding surface 1701 and a locking groove 1702 are formed on one end of the locking block 17 facing the filter plate 16, and the circumferential radius of the locking groove 1702 is the same as the circumferential radius of the arc structure.

[0031] It should also be noted that both ends of the filter plate 16 are arc structures, and when the convex shaft 1601 is inserted into the end of the limiting groove 1501, the arc structure of the end can fit with the side wall of the through hole, and after the convex shaft 1601 enters the end of the limiting groove 1501, rotating the filter plate 16 can make the filter plate 16 rotate with the convex shaft 1601 as the center until the other end of the filter plate 16 abuts against the inclined guide surface 1701, and then pressing one end of the filter plate 16 close to the locking block 17 can make the locking block 17 give way, further compressing the second cylindrical spring 19 while allowing the end of the filter plate 16 to enter the locking groove 1702, thereby achieving the locking of the filter plate 16 and improving the connection stability between the filter plate 16 and the mounting frame 15.

[0032] It should be supplemented that a protrusion is formed at the connection between the inclined guide surface 1701 and the locking groove 1702 , and the protrusion protrudes away from the second cylindrical spring 19 , and the top of the protrusion is located on the side of the locking groove 1702 center facing the second cylindrical spring 19 .

[0033] Through the above arrangement, the filter plate 16 can be quickly disassembled, so that after the filter plate 16 is blocked by impurities, the filter plate 16 can be disassembled and tilted more conveniently, reducing the complexity and difficulty of the operation.

[0034] See also Figure 7 The switching structure is arranged on the cooling and settling tower body 1 and connected to the mounting frame 15, and the switching assembly can make the two groups of filter plates 16 alternately cooperate with the feed port 101; the switching structure includes an electric telescopic rod 12 fixedly mounted on the cooling and settling tower body 1, and a groove wheel 13 is rotatably mounted on the action end of the electric telescopic rod 12; the switching structure also includes a driving plate 14 fixedly connected to the mounting frame 15, and a second inclined groove 1401 is arranged on the driving plate 14, and a group of second vertical grooves 1402 are respectively arranged at both ends of the second inclined groove 1401.

[0035] Furthermore, a pressure sensor (not shown in the figure) is provided at one end of the feed port 101 away from the cooling and settling tower body 1. When the aluminum ash passes through the filter plate 16, the filter plate 16 can filter the impurities in the aluminum ash. At this time, the impurities will adhere to the filter plate 16, thereby reducing the filtering effect of the filter plate 16. At the same time, the aluminum ash is blocked from passing through the filter plate 16. At this time, the pressure at the end of the feed port 101 away from the cooling and settling tower body 1 will increase. After the pressure reaches the preset value, the pressure sensor will control the electric telescopic rod 12 to move, so that the groove wheel 13 can move in the vertical direction, and when cooperating with the second inclined groove 1401, the mounting frame 15 is moved horizontally, so that the other filter plate 16 cooperates with the feed port 101, so that the filter plate 16 blocked by impurities can move to the outside of the feed port 101, so that it is convenient to disassemble and clean it.

[0036] Through the above arrangement, when one group of filter plates 16 is blocked by impurities during the filtration process, the groove wheel 13 cooperates with the second inclined groove 1401 to drive the mounting frame 15 to move, and the other group of filter plates 16 is switched to the area cooperating with the feed port 101, thereby improving the filtering effect of the filter plates 16 on impurities on the one hand, and making the speed of aluminum ash entering the cooling and settling tower body 1 more constant on the other hand, thereby improving the processing capacity and effect of the cooling and settling tower body 1.

[0037] The cooling method for secondary aluminum ash pyrometallurgical treatment using the cooling and settling tower comprises the following steps: Step 1: Use a booster conveying device to pump aluminum ash into the feed port 101, and after the aluminum ash is cooled by the serpentine cooling pipe 2, it is discharged from the discharge port 102; Step 2: After the predetermined time of step 1, the driving assembly is controlled to move, and the driving assembly drives the brush plate 8 to perform a reciprocating motion, and when the brush plate 8 is reset, the engaging shaft 9 cooperates with the switching slot to enable the brush plate 8 to move upward, and then the brush plate 8 moves downward in a step-by-step manner, so as to vibrate and shake off the aluminum ash adhering to the brush plate 8; Step 3: When the pressure on the side of the feed inlet 101 away from the cooling and settling tower body 1 increases, the switching structure is operated to drive the mounting frame 15 to move horizontally, and another set of filter plates 16 cooperates with the feed inlet 101 to remove impurities in the aluminum ash; Step 4: Remove the filter plate 16 originally matched with the feed port 101 , clean it and reinstall it on the mounting frame 15 .

[0038] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0039] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A non-contact cooling cooling and settling tower for secondary aluminum ash pyroprocessing, characterized in that: include: A cooling and settling tower body (1), wherein a serpentine cooling tube (2) of a layered structure is arranged in the cooling and settling tower body (1); a brush plate (8) is arranged in the cooling and settling tower body (1) at equal intervals along the vertical direction of the space, and the brush plate (8) is used to scrape the serpentine cooling tube (2); a drive assembly is arranged in the cooling and settling tower body (1), and the drive assembly can drive the brush plate (8) to reciprocate along the length direction of the serpentine cooling tube (2); a guide plate (10) is installed on the inner wall of the cooling and settling tower body (1), and a switching groove is arranged on the guide plate (10), and an engaging shaft (9) rotatably connected to the drive assembly cooperates with the switching groove, so that when the brush plate (8) moves to the end of the stroke at one end, it first moves upward and then moves downward in a step-like manner.

2. The non-contact cooling and settling tower for secondary aluminum ash pyroprocessing according to claim 1 is characterized in that: The drive assembly comprises a linear drive module (3) fixedly mounted in the cooling and settling tower body (1), a connecting plate (4) being detachably mounted on the linear drive module (3), and a plurality of vertical shafts (5) arranged in a spatial vertical direction are connected to the connecting plate (4); the drive assembly further comprises a side plate (7) fixedly connected to the end of the brush plate (8), a connecting sleeve (701) being fixedly mounted on the side plate (7), and the connecting sleeve (701) is slidably connected to the vertical shaft (5); a first columnar spring (6) is sleeved on the vertical shaft (5), one end of the first columnar spring (6) is connected to the connecting sleeve (701), and the other end is connected to a limit ring (501) mounted on the vertical shaft (5).

3. The non-contact cooling secondary aluminum ash pyroprocessing cooling and settling tower according to claim 1 is characterized in that: The switching groove comprises a first horizontal groove (1001) arranged along the length direction of the guide plate (10); a first inclined groove (1002) is arranged near the end of the first horizontal groove (1001); an end of the first inclined groove (1002) away from the first horizontal groove (1001) is connected to the end of the first horizontal groove (1001) via a vibration generating groove; and a guide member (11) is rotatably installed at one end of the first inclined groove (1002) near the first horizontal groove (1001), and the guide member (11) can guide the engaging shaft (9) into the first inclined groove (1002).

4. The contact-free cooling and settling tower for secondary aluminum ash pyroprocessing according to claim 3 is characterized in that: The vibration generating groove comprises two groups of stepped grooves connected end to end, wherein the head of one group of stepped grooves is connected to the tail of the first inclined groove (1002), and the tail of the other group of stepped grooves is connected to the end of the first horizontal groove (1001); the stepped groove comprises a second horizontal groove (1003) and a first vertical groove (1004) arranged vertically.

5. The contactless cooling and settling tower for secondary aluminum ash pyroprocessing according to claim 4 is characterized in that: Also includes: A feed inlet (101) and a discharge inlet (102), the feed inlet (101) and the discharge inlet (102) being respectively arranged on two sides of the cooling and settling tower body (1); a mounting frame (15) being slidably mounted on the feed inlet (101), two groups of filter plates (16) being detachably mounted on the mounting frame (15); and a switching structure being arranged on the cooling and settling tower body (1) and connected to the mounting frame (15), the switching assembly being capable of enabling the two groups of filter plates (16) to alternately cooperate with the feed inlet (101).

6. The contact-free cooling and settling tower for secondary aluminum ash pyroprocessing according to claim 5, characterized in that: Two groups of through holes matching the filter plate (16) are symmetrically arranged on the mounting frame (15); a limiting groove (1501) is arranged at one end of the side wall of the through hole; a convex shaft (1601) arranged at one end of the filter plate (16) is matched with the limiting groove (1501); the other end of the filter plate (16) is an arc structure, and the arc structure is matched with an extrusion structure arranged on the side wall of the through hole.

7. The contact-free cooling and settling tower for secondary aluminum ash pyroprocessing according to claim 6, characterized in that: The extrusion structure comprises a hysteresis groove (18) arranged on the mounting frame (15), a locking block (17) being slidably mounted in the hysteresis groove (18), the locking block (17) being connected to the inner wall of the hysteresis groove (18) via a second cylindrical spring (19); a side groove (1801) is formed at the end of the hysteresis groove (18), a limiting portion (1703) arranged on the locking block (17) slidably cooperates with the side groove (1801); an inclined guiding surface (1701) and a locking groove (1702) are formed at one end of the locking block (17) facing the filter plate (16), the circumferential radius of the locking groove (1702) being the same as the circumferential radius of the circular arc structure.

8. The contactless cooling and settling tower for secondary aluminum ash pyroprocessing according to claim 5, characterized in that: The switching structure comprises an electric telescopic rod (12) fixedly mounted on the cooling and settling tower body (1), a groove wheel (13) being rotatably mounted on the action end of the electric telescopic rod (12); the switching structure also comprises a driving plate (14) fixedly connected to the mounting frame (15), a second inclined groove (1401) being provided on the driving plate (14), and a group of second vertical grooves (1402) being respectively provided at both ends of the second inclined groove (1401).

9. A cooling method for secondary aluminum ash pyrometallurgical treatment using a cooling and settling tower as claimed in claim 5, characterized in that: The following steps are involved: Step 1: using a pressurized conveying device to pump aluminum ash into the feed port (101), and after the aluminum ash is cooled by the serpentine cooling pipe (2), it is discharged from the discharge port (102); Step 2: After the predetermined time has passed in step 1, the driving component is controlled to move, and the driving component drives the brush plate (8) to perform a reciprocating motion, and when the brush plate (8) is reset, the engaging shaft (9) cooperates with the switching groove to enable the brush plate (8) to move upward, and then the brush plate (8) to move downward in a step-like manner, so as to vibrate and shake off the aluminum ash adhering to the brush plate (8); Step 3: When the pressure on the side of the feed inlet (101) away from the cooling and settling tower body (1) increases, the switching structure is activated to drive the mounting frame (15) to move horizontally, and another set of filter plates (16) cooperates with the feed inlet (101) to remove impurities in the aluminum ash; Step 4: Remove the filter plate (16) originally matched with the feed port (101), clean it, and reinstall it on the mounting frame (15).

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