CN216972637U - Recycling system of aluminum scraps - Google Patents

Abstract

The utility model relates to a waste aluminum recycling system which comprises a cleaning device, an acid treatment device, an evaporation device and a grinding device. The acid treatment device comprises a sludge tank, an acid storage barrel, a reaction tank and a filter tank, wherein the filter tank and the acid storage barrel are connected with the reaction tank through pipelines. The cleaning device is provided with a sewage outlet and an aluminum scrap outlet, the sewage outlet is connected with the sludge tank, and the aluminum scrap outlet is positioned above the reaction tank. The evaporation device is connected with the filter tank through a pipeline, the outlet of the evaporation device is connected with the inlet of the grinding device through a conveyor belt, and the conveyor belt can convey materials in the evaporation device into the grinding device. According to the utility model, the cleaning device is used for cleaning and filtering the waste aluminum, the cleaned and filtered waste aluminum directly reacts with sulfuric acid to generate an aluminum sulfate solution, and aluminum sulfate is produced through subsequent evaporation and drying, so that the waste aluminum is utilized on line, the problems of high cleaning difficulty and difficult recycling of the waste aluminum are effectively solved, the recycling rate of the waste aluminum is improved, and the environmental pollution is reduced.

Description

Recycling system of aluminum scraps

Technical Field

The utility model relates to the technical field of waste aluminum treatment, in particular to a waste aluminum recycling system.

Background

Aluminum is a non-ferrous metal structural material which is most widely applied in industry, and is widely applied in aviation, aerospace, automobiles, mechanical manufacturing, ships and chemical industry, the rapid development of industrial economy has increased the demand for aluminum, a large amount of waste materials can be generated in the processing process of aluminum materials, a large amount of impurities are mixed in waste aluminum, the recycling of the waste aluminum is difficult, most aluminum production and processing enterprises can not treat and utilize waste aluminum slag at present, but directly bury the waste aluminum, so that the environment is polluted, and resources are wasted.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In view of the above disadvantages and shortcomings of the prior art, the present invention provides a recycling system for aluminum scrap, which solves the technical problem of difficulty in recycling aluminum scrap.

(II) technical scheme

In order to achieve the above object, the present invention provides a system for recycling aluminum scrap, comprising:

a cleaning device, an acid treatment device, an evaporation device and a grinding device;

the acid treatment device comprises a sludge pool, an acid storage barrel, a reaction tank and a filtering tank, wherein the acid storage barrel is used for storing sulfuric acid, and the filtering tank and the acid storage barrel are both connected with the reaction tank through pipelines;

the cleaning device is provided with a sewage outlet and a waste aluminum outlet, the sewage outlet is connected with the sludge tank through a pipeline, and the waste aluminum outlet is positioned above the reaction tank;

the evaporation device is connected with the filtering tank through a pipeline, an outlet of the evaporation device is connected with an inlet of the grinding device through a conveyor belt, and the conveyor belt can convey materials in the evaporation device into the grinding device.

Optionally, the cleaning device comprises a cleaning bucket and a collecting bucket;

the collecting barrel comprises a barrel body, a filtering partition plate and a material receiving groove; the barrel body is cylindrical, one end of the barrel body is open, the opening of the barrel body is upward, and the bottom of the barrel body is provided with the sewage outlet;

the filtering partition plate is arranged at the opening of the barrel body, and a plurality of filtering holes are uniformly formed in the filtering partition plate; the receiving trough is detachably arranged on the outer wall of the barrel body, the opening of the receiving trough is upward, and the receiving trough is provided with the aluminum scrap outlet;

the cleaning barrel is cylindrical and is provided with openings at two ends, the cleaning barrel is vertically arranged above the barrel body, and the first end of the cleaning barrel is connected with the opening end of the barrel body through a plurality of springs;

a cleaning unit is arranged in the cleaning barrel and can spray water columns to the filtering partition plate.

Optionally, the material receiving groove comprises a bottom plate, a side plate and a plurality of bolts;

the side plate is cylindrical and has openings at two ends, and the inner diameter of the side plate is larger than the outer diameter of the barrel body;

the bottom plate is connected with the first end of the side plate, a circular through hole is formed in the bottom plate, the inner diameter of the circular through hole is larger than the outer diameter of the barrel body, and the inner diameter of the circular through hole is smaller than the inner diameter of the side plate;

the bottom plate is sleeved on the barrel body, the upper surface of the bottom plate is coplanar with the end surface of the first end of the barrel body, the bottom plate is provided with the aluminum scrap outlet, and the bolt is vertically arranged on the lower surface of the bottom plate;

be provided with a plurality of mount pads on the barrel body, the bolt can with the connection can be dismantled to the mount pad.

Optionally, a baffle is detachably arranged on the waste aluminum outlet.

Optionally, the filtering partition plate is conical, and an opening of the filtering partition plate faces downwards;

the opening end of the filtering partition plate is provided with a plurality of bulges, and the bulges are detachably connected with the opening end of the barrel body;

the central axis of the filtering baffle plate is collinear with the central axis of the barrel body.

Optionally, the cleaning unit comprises a water supply pipe and a plurality of nozzles;

the water supply pipe is a spiral pipe with two closed ends, the water supply pipe is connected with the inner wall of the cleaning barrel, a plurality of first through holes are formed in the water supply pipe, and the plurality of nozzles are connected with the plurality of first through holes in a one-to-one correspondence manner;

and the water supply pipe is also provided with a second through hole, and the second through hole is used for connecting water supply equipment.

Optionally, the evaporation device comprises an evaporation tank and a heating unit;

the heating unit is arranged at the bottom of the evaporation box and used for heating materials in the evaporation box;

the evaporation box is provided with a discharge port, the discharge port is positioned above the conveyor belt, and the inlet of the grinding device is positioned below the conveyor belt.

Optionally, the bottom of the reaction tank is provided with a drain outlet, and the sludge tank is connected with the drain outlet.

Optionally, the reaction tank is connected with the filter tank through a first pipeline, a filter screen is arranged above the filter tank, an inlet of the first pipeline is connected with the reaction tank, and an outlet of the first pipeline is located above the filter screen.

Optionally, a delivery pump and a valve are arranged on the first pipeline.

(III) advantageous effects

According to the utility model, the cleaning device is used for cleaning and filtering the waste aluminum, the cleaned and filtered waste aluminum directly reacts with sulfuric acid to generate an aluminum sulfate solution, and aluminum sulfate is produced through subsequent evaporation and drying, so that the waste aluminum is utilized on line, the problems of high cleaning difficulty and difficult recycling of the waste aluminum are effectively solved, the recycling rate of the waste aluminum is improved, and the environmental pollution is reduced.

Drawings

FIG. 1 is a schematic view of a system for recycling aluminum scrap according to the present invention;

FIG. 2 is a schematic structural view of a cleaning apparatus of the system for recycling aluminum scrap according to the present invention;

FIG. 3 is a sectional view of a cleaning apparatus of the system for recycling aluminum scrap according to the present invention;

FIG. 4 is an enlarged view taken at A in FIG. 3;

FIG. 5 is a schematic structural view of a receiving trough of the system for recycling aluminum scrap according to the present invention;

FIG. 6 is a schematic view showing the installation of a conveyor belt of the scrap aluminum recycling system according to the present invention;

FIG. 7 is a schematic view showing the structure of an acid treatment apparatus of the system for recycling aluminum scraps according to the present invention.

[ description of reference ]

1: a cleaning device; 11: a collection barrel; 111: a barrel body; 112: a filtering baffle plate; 113: a material receiving groove; 114: a base plate; 115: a side plate; 116: a bolt; 117: a mounting base; 118: a baffle plate; 119: a protrusion;

12: a washing barrel; 121: a water supply pipe; 122: a nozzle;

13: a sewage outlet; 14: a waste aluminum outlet;

2: an evaporation device; 21: an evaporation box; 22: a heating unit; 23: a discharge port;

3: a grinding device; 4: a sludge tank; 5: an acid storage barrel; 6: a reaction tank;

7: a filtration tank; 71: a first pipeline; 72: a filter screen; 73: a delivery pump; 74: a valve;

8: and (4) a conveyor belt.

Detailed Description

For the purpose of better explaining the present invention and to facilitate understanding, the present invention will be described in detail by way of specific embodiments with reference to the accompanying drawings. Where directional terms such as "upper", "lower", etc. are used herein, reference is made to the orientation of fig. 3.

While exemplary embodiments of the utility model are shown in the drawings, it should be understood that the utility model can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.

As shown in fig. 1, the present invention provides a system for recycling aluminum scrap, which comprises a cleaning device 1, an acid treatment device, an evaporation device 2 and a grinding device 3. The cleaning device 1 is used for cleaning and filtering the waste aluminum, washing impurities on the waste aluminum and filtering the waste aluminum. Be provided with sewage outlet 13 and aluminium scrap export 14 on the belt cleaning device 1, sewage outlet 13 passes through pipe connection sludge impoundment 4, concentrates through sludge impoundment 4 to retrieve and handle impurity to direct emission causes environmental pollution. The waste aluminum outlet 14 is positioned above the reaction tank 6, and the cleaned and filtered waste aluminum directly falls into the reaction tank 6 for the next acid dissolution treatment. The acid treatment device is used for dissolving the waste aluminum and generating aluminum sulfate solution, and comprises a sludge tank 4, an acid storage barrel 5, a reaction tank 6 and a filtering tank 7. The sulfuric acid stored in the acid storage barrel 5 can react with the waste aluminum to produce aluminum sulfate. The filtering tank 7 and the acid storage barrel 5 are both connected with the reaction tank 6 through pipelines, when waste aluminum enters the reaction tank 6, sulfuric acid is injected into the reaction tank 6 through the acid storage barrel 5, the sulfuric acid and the waste aluminum are fully reacted to generate an aluminum sulfate solution, the aluminum sulfate solution is conveyed to the filtering tank 7 to be filtered, and the aluminum sulfate solution filtered by the filtering tank 7 is temporarily stored in the filtering tank 7. The evaporation device 2 is connected with the filtering tank 7 through a pipeline, and the filtering tank 7 conveys the aluminum sulfate solution to the evaporation device 2 for concentration and drying to finally form aluminum sulfate. The outlet of the evaporation device 2 is connected with the inlet of the grinding device 3 through the conveyor belt 8, the conveyor belt 8 conveys the aluminum sulfate material in the evaporation device 2 to the grinding device 3 for grinding, so that aluminum sulfate powder is obtained, and the aluminum sulfate can be coagulated to adsorb impurity particles in water, is a common water treatment agent and is commonly used for treating industrial wastewater. According to the utility model, the cleaning device 1 is used for cleaning and filtering the waste aluminum, the cleaned and filtered waste aluminum directly reacts with sulfuric acid to generate an aluminum sulfate solution, and aluminum sulfate is produced through subsequent evaporation and drying, so that the waste aluminum is utilized on line, the problems of high cleaning difficulty and difficult recycling of the waste aluminum are effectively solved, the recycling rate of the waste aluminum is improved, and the environmental pollution is reduced.

As shown in fig. 2 and 3, the washing device 1 includes a washing tub 12 and a collection tub 11. The collecting barrel 11 comprises a barrel body 111, a filtering partition plate 112 and a receiving groove 113. The barrel 111 is hollow and cylindrical, one end of the barrel 111 is provided with an opening, the barrel 111 is vertically arranged, the opening of the barrel 111 faces upwards, the bottom of the barrel 111 is provided with a sewage outlet 13, and the sewage outlet 13 is connected with the sludge tank 4 through a pipeline. The bottom plate 114 is preferably a sloping plate to facilitate flow guidance. The opening of the barrel body 111 is covered with a sealing cover of the filtering partition plate 112, a plurality of filtering holes are uniformly formed in the filtering partition plate 112, and the inner diameter of each filtering hole is smaller than the minimum diameter of the particles of the waste aluminum. The receiving trough 113 is detachably arranged on the outer wall of the barrel body 111, and the opening of the receiving trough 113 faces upwards. The cleaned aluminum scraps are drained on the filtering partition plate 112 and then slide into the receiving tank 113. The aluminum scrap outlet 14 is arranged on the receiving trough 113, and the aluminum scrap in the receiving trough 113 falls into the reaction tank 6 through the aluminum scrap outlet 14 for acid dissolution treatment. Wash bucket 12 also is the cavity cylinder type to both ends are the opening, wash bucket 12 and vertically set up in the top of ladle body 111, and the first end of washing bucket 12 passes through a plurality of spring coupling with the open end of ladle body 111, through the support of a plurality of springs, is formed with the clearance of certain width between the first end of washing bucket 12 and the open end of ladle body 111, filters the aluminium scrap on baffle 112 and passes through the clearance landing to receiving the silo 113. Be provided with the cleaning unit in the washtub 12, the cleaning unit can be to the jet water column on filtering baffle 112, promotes the aluminium scrap and moves on filtering baffle 112 when wasing the aluminium scrap, makes the aluminium scrap wash back quick landing to receive in the silo 113.

As shown in fig. 3, 4 and 5, the receiving chute 113 has a ring structure to fit the cylindrical barrel 111. The receiving trough 113 includes a bottom plate 114, a side plate 115, and a plurality of latches 116. The side plate 115 is cylindrical and has openings at two ends, and the inner diameter of the side plate 115 is larger than the outer diameter of the barrel body 111, so that the side plate 115 can be sleeved on the barrel body 111. The bottom plate 114 is connected with the first end of the side plate 115, the bottom plate 114 is provided with a circular through hole, the inner diameter of the circular through hole is slightly larger than the outer diameter of the barrel body 111, only the barrel body 111 can penetrate through the circular through hole, and the inner wall of the circular through hole is tightly attached to the outer wall of the barrel body 111, so that aluminum scrap entering the receiving groove 113 can not enter a gap between the inner wall of the circular through hole and the outer wall of the barrel body 111, the inner diameter of the circular through hole is smaller than that of the side plate 115, and the end part of the side plate 115 can be fixedly connected with the bottom plate 114. The bottom plate 114 is sleeved on the barrel body 111, the upper surface of the bottom plate 114 is coplanar with the end surface of the first end of the barrel body 111, the waste aluminum outlet 14 is arranged on the bottom plate 114, a baffle 118 is detachably arranged on the waste aluminum outlet 14, and the baffle 118 is used for opening or closing the waste aluminum outlet 14. The waste aluminum screened from the filtering baffle plate 112 directly drops into the receiving tank 113 without manual operation. Bolt 116 sets up vertically in the lower surface of bottom plate 114, be provided with a plurality of mount pads 117 on the ladle body 111, the preferred mounting panel that sets up vertically of mount pad 117, a set of relative side welding of mounting panel is on the ladle body 111, be provided with the clearance between mounting panel and the ladle body 111, the opening in clearance faces up, and the position of mount pad 117 matches each other with the position one-to-one of bolt 116, when receiving the silo 113 cover and establishing on the ladle body 111, bolt 116 inserts in the clearance between mount pad 117 and the ladle body 111, form detachable structure.

As shown in fig. 2, the washing unit includes a water supply pipe 121 and a plurality of nozzles 122. The water supply pipe 121 is a spiral pipe having both closed ends, the central axis of the spiral pipe is collinear with the central axis of the washing tub 12, and the outer wall of the water supply pipe 121 is connected with the inner wall of the washing tub 12. A plurality of first through holes are uniformly formed on the surface of the water supply pipe 121 facing the filtering partition plate 112, and the plurality of nozzles 122 are connected with the plurality of first through holes in a one-to-one correspondence manner. The water supply pipe 121 is further provided with a second through hole for connecting a water supply device. The water column sprayed by the nozzles 122 covers the whole filtering partition plate 112, the water supply pipe 121 is spirally arranged to enable the spray heads to be arranged around the filtering partition plate 112, and the water columns are sprayed by the plurality of nozzles 122 to the waste aluminum on the filtering partition plate 112 simultaneously, so that 360-degree cleaning around the waste aluminum is realized, and the cleaning efficiency and the cleaning effect of the waste aluminum are effectively improved.

As shown in fig. 3, the filtering baffle 112 has a conical shape, the tip of the filtering baffle 112 faces upward, and the opening of the filtering baffle 112 faces downward. The open end of filtering baffle 112 is provided with a plurality of archs 119, and protruding 119 can insert in the opening of the first end of ladle body 111, makes to filter the detachable between baffle 112 and the ladle body 111 and be connected, is convenient for according to the big or small quick replacement filtering baffle 112 of aluminium scrap granule. The central axis of the filtering partition plate 112 is collinear with the central axis of the barrel body 111, and after the aluminum scrap falls onto the filtering partition plate 112, the screened aluminum scrap slides down along the inclined plane of the filtering partition plate 112 to the receiving tank 113. Compared with the flat-plate-type filtering partition plate 112, the conical filtering partition plate 112 effectively increases the screening area of the filtering partition plate 112 and improves the screening efficiency.

As shown in fig. 6, the evaporation apparatus 2 includes an evaporation tank 21 and a heating unit 22. The heating unit 22 is disposed at the bottom of the evaporation box 21 and used for heating the material in the evaporation box 21. The heating unit 22 is a heating coil and is disposed on the lower surface of the bottom plate 114 of the evaporation box 21 to heat the material in the evaporation box 21. Be provided with discharge gate 23 on the evaporating box 21, discharge gate 23 is located the top of conveyer belt 8, and the aluminium sulfate after the drying passes through manual operation propelling movement to the conveying that is located discharge gate 23 below. The inlet of the grinding device 3 is located below the conveyor belt 8, which conveyor belt 8 transports the aluminium sulphate into the grinding box.

As shown in figure 7, the bottom of the reaction tank 6 is provided with a drain outlet, the drain outlet is connected with the sludge tank 4 through a sludge pump, and impurities which cannot be dissolved in the reaction tank 6 are conveyed to the sludge tank 4 through the sludge pump for centralized treatment so as to avoid directly discharging polluted environment. The reaction tank 6 is connected with the filtering tank 7 through a first pipeline 71, a filter screen 72 is arranged above the filtering tank 7, an inlet of the first pipeline 71 is connected with the reaction tank 6, an outlet of the first pipeline 71 is positioned above the filter screen 72, and the aluminum sulfate solution conveyed from the reaction tank 6 is filtered by the filter screen 72 and then enters the filtering tank 7 for storage. The first pipeline 71 is provided with a delivery pump 73 and a valve 74, so that the delivery efficiency is effectively improved.

According to the utility model, the cleaning device 1 is used for cleaning and filtering the waste aluminum, the cleaned and filtered waste aluminum directly reacts with sulfuric acid to generate an aluminum sulfate solution, and aluminum sulfate is produced through subsequent evaporation and drying, so that the waste aluminum is utilized on line, the problems of high cleaning difficulty and difficult recycling of the waste aluminum are effectively solved, the recycling rate of the waste aluminum is improved, and the environmental pollution is reduced.

In the description of the present invention, it is to be understood that the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to imply that the number of technical features indicated are in fact significant. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; either as communication within the two elements or as an interactive relationship of the two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, a first feature may be "on" or "under" a second feature, and the first and second features may be in direct contact, or the first and second features may be in indirect contact via an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lower level than the second feature.

In the description of the present specification, the description of "one embodiment", "some embodiments", "examples", "specific examples" or "some examples", etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described above, it should be understood that the above embodiments are illustrative and not restrictive, and that those skilled in the art may make changes, modifications, substitutions and alterations to the above embodiments without departing from the scope of the present invention.

Claims (10)

1. A recycling system of aluminum scraps, characterized in that the recycling system comprises: a cleaning device (1), an acid treatment device, an evaporation device (2) and a grinding device (3);

the acid treatment device comprises a sludge tank (4), an acid storage barrel (5), a reaction tank (6) and a filtering tank (7), wherein the acid storage barrel (5) is used for storing sulfuric acid, and the filtering tank (7) and the acid storage barrel (5) are both connected with the reaction tank (6) through pipelines;

a sewage outlet (13) and a waste aluminum outlet (14) are arranged on the cleaning device (1), the sewage outlet (13) is connected with the sludge tank (4) through a pipeline, and the waste aluminum outlet (14) is positioned above the reaction tank (6);

the evaporation device (2) is connected with the filtering tank (7) through a pipeline, an outlet of the evaporation device (2) is connected with an inlet of the grinding device (3) through a conveying belt (8), and the conveying belt (8) can convey materials in the evaporation device (2) into the grinding device (3).

2. A recycling system of scrap aluminum according to claim 1, characterized in that said washing device (1) comprises a washing tub (12) and a collecting tub (11);

the collecting barrel (11) comprises a barrel body (111), a filtering partition plate (112) and a material receiving groove (113); the barrel body (111) is cylindrical, one end of the barrel body is open, the opening of the barrel body (111) faces upwards, and the sewage outlet (13) is formed in the bottom of the barrel body (111);

the filtering partition plate (112) is arranged at the opening of the barrel body (111), and a plurality of filtering holes are uniformly formed in the filtering partition plate (112); the receiving trough (113) is detachably arranged on the outer wall of the barrel body (111), the opening of the receiving trough (113) faces upwards, and the receiving trough (113) is provided with the aluminum scrap outlet (14);

the cleaning barrel (12) is cylindrical and is provided with openings at two ends, the cleaning barrel (12) is vertically arranged above the barrel body (111), and the first end of the cleaning barrel (12) is connected with the opening end of the barrel body (111) through a plurality of springs;

be provided with the cleaning unit in wasing bucket (12), the cleaning unit can to filter baffle (112) go up the injection water column.

3. The recycling system of aluminum scrap according to claim 2, wherein the receiving chute (113) comprises a bottom plate (114), a side plate (115) and a plurality of bolts (116);

the side plate (115) is cylindrical and is provided with openings at two ends, and the inner diameter of the side plate (115) is larger than the outer diameter of the barrel body (111);

the bottom plate (114) is connected with the first end of the side plate (115), a circular through hole is formed in the bottom plate (114), the inner diameter of the circular through hole is larger than the outer diameter of the barrel body (111), and the inner diameter of the circular through hole is smaller than the inner diameter of the side plate (115);

the bottom plate (114) is sleeved on the barrel body (111), the upper surface of the bottom plate (114) is coplanar with the end surface of the first end of the barrel body (111), the bottom plate (114) is provided with the waste aluminum outlet (14), and the bolt (116) is vertically arranged on the lower surface of the bottom plate (114);

the barrel body (111) is provided with a plurality of mounting seats (117), and the bolt (116) can be detachably connected with the mounting seats (117).

4. A scrap aluminum recycling system in accordance with claim 3, wherein the scrap aluminum outlet (14) is removably provided with a baffle (118).

5. The scrap aluminum recycling system according to claim 2, wherein the filtering partition plate (112) is formed in a conical shape, and the opening of the filtering partition plate (112) is downward;

a plurality of bulges (119) are arranged at the open end of the filtering baffle plate (112), and the bulges (119) are detachably connected with the open end of the barrel body (111);

the central axis of the filtering baffle plate (112) is collinear with the central axis of the barrel body (111).

6. The recycling system of scrap aluminum in accordance with claim 2 wherein said cleaning unit comprises a water supply pipe (121) and a plurality of spray nozzles (122);

the water supply pipe (121) is a spiral pipe with two closed ends, the water supply pipe (121) is connected with the inner wall of the cleaning barrel (12), a plurality of first through holes are formed in the water supply pipe (121), and the plurality of nozzles (122) are correspondingly connected with the plurality of first through holes one by one;

and a second through hole is formed in the water supply pipe (121) and is used for connecting water supply equipment.

7. The recycling system of scrap aluminum in accordance with anyone of claims 1 to 6 wherein the evaporation apparatus (2) comprises an evaporation tank (21) and a heating unit (22);

the heating unit (22) is arranged at the bottom of the evaporation box (21) and is used for heating materials in the evaporation box (21);

a discharge port (23) is formed in the evaporation box (21), the discharge port (23) is located above the conveyor belt (8), and an inlet of the grinding device (3) is located below the conveyor belt (8).

8. The system for recycling aluminum scrap according to any of claims 1 to 6 wherein a drain outlet is provided at the bottom of the reaction tank (6) and the sludge tank (4) is connected to the drain outlet.

9. The recycling system of aluminum scrap according to any one of claims 1 to 6, wherein the reaction tank (6) is connected with the filtering tank (7) through a first pipeline (71), a filter screen (72) is arranged above the filtering tank (7), the inlet of the first pipeline (71) is connected with the reaction tank (6), and the outlet of the first pipeline (71) is positioned above the filter screen (72).

10. The recycling system of scrap aluminum in accordance with claim 9 wherein a transfer pump (73) and a valve (74) are provided in said first conduit (71).

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