CN218573908U - Metal purification system and buffering drainage component thereof - Google Patents

Abstract

The application provides a metal purification system and a buffering drainage assembly thereof, wherein the buffering drainage assembly comprises a drainage plate, two side plates, a buffering panel and a surrounding plate, wherein the two side plates are arranged on two sides of the drainage plate at intervals; the buffering panel is arranged at the bottom end of the drainage plate and forms a first buffering groove. The enclosing plate is connected between the two side plates to form a U shape, the buffering panel is connected, the buffering panel is provided with a groove, and the groove and the enclosing plate form an overflow port. The first buffer slot in the buffer drainage component buffers metal, so that the recovery rate of waste metal can be greatly improved, and the purity of tail sand is purified.

Description

Metal purification system and buffering drainage component thereof

Technical Field

The application relates to the technical field of slag treatment, in particular to a metal purification system and a buffering drainage component thereof.

Background

The household garbage incineration slag comprises slag, sand, stones, metals, organic matters and the like, if the slag generated by an incineration power plant is treated as general solid waste in a landfill, the requirement on the capacity of the landfill can be increased, and certain pollution is caused to the environment and soil.

Disclosure of Invention

The application provides a metal purification system and buffering drainage subassembly thereof to solve the present slag of above-mentioned problem and handle metal, the not high scheduling problem of sand purification rate.

The embodiment of the application provides a buffering drainage subassembly, it includes:

a drainage plate;

the two side plates are arranged at two sides of the drainage plate at intervals;

the buffering panel is arranged at the bottom end of the drainage plate and forms a first buffering groove;

the coaming is connected between the two side plates to form a U shape, the buffering panel is connected with the coaming, the buffering panel is provided with a groove, and the groove and the coaming form an overflow port.

In an embodiment, the drainage plate is provided with a plurality of second buffer slots, and the second buffer slots are arranged in parallel at intervals.

In an embodiment, the second buffer slot includes a bottom wall and a buffer wall, and the buffer wall is connected with the bottom wall to form the second buffer slot.

In one embodiment, the length of the buffer panel is greater than the interval between two adjacent buffer walls.

In order to solve the above problem, the present application further provides a metal purification system, which includes the above-mentioned buffering drainage assembly, and further includes:

the magnetic suction device is used for performing magnetic suction on the crushed material liquid so as to adsorb the metal A in the crushed material liquid and separate out separation liquid;

the absorption and separation device is in fluid connection with the magnetic suction device through the buffering drainage component and is used for receiving separation liquid flowing in from the magnetic suction device and performing absorption and separation treatment to separate the first-level metal B;

and the screening device is used for receiving the separation liquid flowing in from the suction separation device and carrying out screening separation treatment so as to separate the second-level metal B.

And the sedimentation separation device is used for receiving the separation liquid from the screening device and carrying out sedimentation separation so as to precipitate sand and overflow the supernatant.

In one embodiment, the metal a comprises a primary metal a and a secondary metal a, the magnetic attraction means comprises:

the first magnetic suction device is used for carrying out adsorption separation on the crushed material liquid so as to adsorb the first-level metal A in the crushed material liquid;

and the second magnetic suction device is used for receiving the separation liquid flowing in from the first magnetic suction device, performing adsorption separation and adsorbing the second-level A metal in the separation liquid flowing in from the first magnetic suction device.

In one embodiment, the precipitation separation device comprises:

the inner accommodating body is provided with an inner cavity, and the inner cavity is used for receiving the separation liquid of the screening device;

the outer accommodating body is sleeved outside the inner accommodating body and forms an outer cavity together with the inner accommodating body; wherein, the first and the second end of the pipe are connected with each other,

the outer cavity is communicated with the inner cavity, and the bottom end of the inner accommodating body and the bottom end of the outer accommodating body are arranged at intervals.

In one embodiment, the precipitation separation apparatus further comprises:

the buffer body, with the bottom interval of outer container sets up in order to form the bottom chamber, and through the connecting piece with the bottom interval of interior container is connected, the connecting piece is more than two at least, adjacent two be formed with the reposition of redundant personnel clearance between the connecting piece.

In one embodiment, the outer housing includes:

the annular wall is sleeved outside the content placement body, forms an outer cavity with the content placement body, and is provided with an overflow outlet close to the top of the annular wall;

and the bottom plate is connected with the bottom of the annular wall and is arranged at intervals with the buffer body to form the bottom cavity.

In one embodiment, the suction separation device comprises:

the accommodating body comprises a first hard accommodating part, a second hard accommodating part and an elastic accommodating part, wherein the first hard accommodating part and the second hard accommodating part are communicated through the elastic accommodating part, and the first hard accommodating part receives the separation liquid of the magnetic suction device;

a filter net connected to the first hard accommodating part or the second hard accommodating part;

and the power source is used for controlling the first hard accommodating part or the second hard accommodating part to elastically move so that the filter screen adsorbs and separates the first-stage B metal in the separation liquid of the magnetic suction device.

This application metal purification system and buffering drainage subassembly thereof through set up buffering drainage subassembly between two devices, through the first dashpot buffering metal in the buffering drainage subassembly, can greatly improve the useless metal rate of recovery, has purified the purity of tail sand.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic diagram of a metal purification system according to an embodiment of the present application;

FIG. 2 is a schematic cross-sectional view of a precipitation separation apparatus according to an embodiment of the present application;

FIG. 3 is a schematic structural diagram of a buffer drainage assembly according to an embodiment of the present application;

fig. 4 is a schematic sectional view of a first suction separator according to an embodiment of the present application.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be noted that the following examples are only illustrative of the present application, and do not limit the scope of the present application. Likewise, the following examples are only some examples and not all examples of the present application, and all other examples obtained by a person of ordinary skill in the art without any inventive step are within the scope of the present application.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

Referring to fig. 1, fig. 1 is a schematic view of a metal purification system according to an embodiment of the present invention, which is used for purifying metals and the like from slag, which may be generated by burning garbage from a thermal power plant, and which contains, for example, metals and one or more of sand, mud, ceramics and the like. The metal may comprise one or more of iron, copper, gold, tungsten, tin, zinc, and the like. The metal purification system comprises a magnetic suction device, a suction separation device, a screening device 40 and a precipitation separation device 50.

And the crushing device 10 is used for further crushing the slag to form crushed materials. Alternatively, the crushing device 10 may be a sander.

A working platform for carrying the crushing device 10, the working platform being 9-11 meters from the ground, optionally 9.8 meters from the ground.

A conveyor belt for conveying slag to the crushing device 10, optionally arranged obliquely to the crushing device 10.

And a water source for supplying water to the crushing device 10 or the magnetic attraction device so that the crushed materials form a crushed material liquid. Specifically, the interior of the crushing device 10 or the feed inlet of the magnetic attraction device is provided with a water inlet hole for water to flow in.

The magnetic suction device is in fluid connection with the crushing device 10 and is used for performing magnetic suction on crushed material liquid to suck the metal A in the crushed material liquid and separate separation liquid. The metal A can be iron, and the separation liquid is a liquid containing one or more of copper, gold, tungsten, sand, iron, aluminum, ceramics, stones and the like. The A metal comprises primary A metal and secondary A metal. The primary A metal and the secondary A metal are iron, the difference is that the volume or the weight of the primary A metal is different, and the volume or the weight of the primary A metal is smaller than that of the secondary A metal.

The magnetic attracting means includes a first magnetic attracting means 21 and a second magnetic attracting means 22. The first magnetic suction device 21 is in fluid connection with the crushing device 10 and is used for performing magnetic suction separation on the crushed material liquid so as to suck the first-stage metal A in the crushed material liquid; the second magnetic device 22 is fluidly connected to the first magnetic device 21, and is configured to receive the separation liquid flowing from the first magnetic device 21, and perform an adsorption separation to adsorb the second-level a metal in the separation liquid flowing from the first magnetic device 21.

Besides water, the separated liquid still contains substances such as metals, sand and the like which are not precipitated or separated. The precipitated or separated metal and sand also contain water. For convenience of understanding, the separation liquid flowing out from the first magnetic attraction device 21 is defined as a first separation liquid, and the separation liquid flowing out from the second magnetic attraction device 22 is defined as a second separation liquid. The magnetic attraction force of the first magnetic attraction means 21 is greater than that of the second magnetic attraction means 22, and specifically, the magnetic force of the first magnetic attraction means 21 is greater than that of the second magnetic attraction means 22. The volume and weight of the first-level A metal are mostly larger than those of the second-level A metal, and the volume and weight of the small-level A metal are less than or equal to those of the second-level A metal. The metal purification system adsorbs the metals A with different volumes or weights through the magnetic adsorption devices 20 with different adsorption forces, so that the metal rate of the slag is improved. The distance between the outlet of the first magnetic attraction means 21 and the inlet of the second magnetic attraction means 22 is 0.5-10m, preferably 0.8m.

The suction separation device comprises a first suction separation device 31, the first suction separation device 31 is in fluid connection with the second magnetic suction device 22, and is used for receiving the second separation liquid flowing from the second magnetic suction device 22, and performing suction separation treatment to separate the first-level metal B. The B metal can be one or more than two nonmagnetic metals of copper, zinc, aluminum and tin.

In one embodiment, the metal B includes a primary metal B and a secondary metal B, which are different in volume size, specifically, the volume size is: secondary B metal < primary B metal. The first absorbing and separating device 31 absorbs and separates the second separation liquid, absorbs the second-level metal B in the second separation liquid, and makes the first-level metal B retained in the first absorbing and separating device 31.

In one embodiment, although the first magnetic attracting device 21 and the second magnetic attracting device 22 attract the crushed aggregates, a small amount of iron may still be present, which may be in the form of iron powder or iron particles in the second separated liquid. Further, the magnetic device 20 further includes a third magnetic device 23, and the third magnetic device 23 receives the separation liquid flowing in from the first absorbing and separating device 31 and performs an absorbing and separating process to absorb the third-level a metal in the separation liquid flowing in from the first absorbing and separating device 31. The separated liquid after the separation process by the third magnetic attraction device 23 flows into the screening device 40.

In an embodiment, the metal B further includes a third-level metal B, and the first-level metal B, the second-level metal B and the third-level metal B are different in volume size, and the metal properties are substantially the same, specifically, the volume size is: second level B metal < third level B metal < first level B metal. When the first absorption and separation device 31 absorbs and separates the second separation liquid, the second-level metal B and the third-level metal B in the second separation liquid can be absorbed. The absorbing and separating device further comprises a second absorbing and separating device 32 which is in fluid connection with the second magnetic absorbing device 22 or the third magnetic absorbing device 23 and is used for receiving the separation liquid flowing in from the second magnetic absorbing device 22 or the third magnetic absorbing device 23, absorbing and separating the second-level metal B in the second separation liquid, and retaining the third-level metal B in the second absorbing and separating device 32.

The screening device 40 is in fluid connection with any one or more than two of the first suction separation device 31, the second suction separation device 32 and the third magnetic suction device 23, and is used for receiving the separation liquid containing the second-level B metal flowing in from any one or more than two of the first suction separation device 31, the second suction separation device 32 and the third magnetic suction device 23, and performing screening and separation treatment to separate the second-level B metal. The separation liquid containing the second-stage B metal which flows out of any one or two or more of the first suction-separation device 31, the second suction-separation device 32, and the third magnetic attraction device 23 is defined as a third separation liquid, and the separation liquid which flows out of the screening device 40 is defined as a fourth separation liquid. The screening device 40 may be a shaker. Specifically, vibratory screening by vibrating the screen 40 through a vibrating screen can vibrate the heavier secondary B metal into a trough on one side of the vibrating screen, the lighter weight metal sand is vibrated to the bottom side, and the metal sand flows into the precipitation separation device 50 with the liquid forming a fourth separation.

The precipitation separation device 50 is used for receiving the fourth separation liquid from the screening device 40 and performing precipitation separation to precipitate the metal sand and overflow the supernatant liquid. Due to the separation of the metal A and the metal B, the fourth separation liquid contains less metal A and metal B, and particularly contains less metal A and metal B with the thickness of more than 2mm.

In one embodiment, the metal sand contains sand and a fourth-level B metal, wherein the fourth-level B metal is different from the first-level B metal, the second-level B metal and the third-level B metal in weight, the metal properties are substantially the same, and the weight of the fourth-level B metal is less than the weight and volume of the first-level B metal, the second-level B metal and the third-level B metal.

Referring to fig. 2, fig. 2 is a schematic cross-sectional view of a sedimentation separation apparatus according to an embodiment of the present application, in which the sedimentation separation apparatus 50 includes an inner container 51, an outer container 52, and a buffer 53, the inner container 51 has an inner cavity 511, and the inner cavity 511 is used for receiving a separation liquid of the screening apparatus 40; the outer container 52 is sleeved outside the inner container 51 and forms an outer cavity 501 with the inner container 51; wherein, the outer cavity 501 is communicated with the inner cavity 511, and the bottom end of the inner containing body 51 and the bottom end of the outer containing body 52 are arranged at intervals. The buffer body 53 is spaced from the bottom end of the outer containing body 52 to form a bottom chamber 513, and is connected to the bottom end of the inner containing body 51 through a connecting piece 57 at intervals, at least two connecting pieces 57 are provided, and a shunt gap is formed between two adjacent connecting pieces 57. Connecting member 57 is an iron wire, steel wire or copper wire. The buffer body 53 is a mesh plate, and filters a large-volume substance, such as a large stone, a B metal piece, and a B metal block, in the fourth separated liquid. Smaller volumes of metal sand, such as sand, iron powder or tertiary B metal attachment liquid, flow through the flow dividing gaps toward the outer chamber 501 or through the mesh plate toward the bottom of the outer container 52. The mesh plate has a pore size of 1-2.5mm, optionally 1.5mm.

The outer container 52 includes a ring wall 521 and a bottom plate 522, the ring wall 521 is sleeved outside the inner container 51 and forms an outer cavity 501 with the inner container 51, an overflow opening 502 is opened near the top of the ring wall 521, and an outflow opening 503 is opened near the top of the ring wall 521; a bottom plate 522 is coupled to the bottom of the annular wall 521 and is spaced from the damping body 53 to define a bottom chamber 513. The fourth separated liquid entering the outer container 52 is precipitated to precipitate metal sand such as metal B, iron powder, sand and the like in the four stages in the bottom chamber 513, the liquid level in the outer container 52 rises continuously as the separated liquid enters the outer container 52 continuously, and the supernatant overflows when the liquid level reaches the overflow outlet 502. The supernatant may be clear water or a liquid containing minute volume objects such as metal particles, metal powder, sand, etc.

The buffer 53 has a plurality of shunting holes, and after the fourth separated liquid of the screening device 40 enters the inner containing body 51, the fourth separated liquid enters the outer cavity 501 through the rear shunting gap and the shunting holes, so that the impact of the over-rapid gravity flow rate of the fourth separated liquid is avoided, the metal sand such as the four-level B metal precipitated in the bottom cavity 513 is disturbed, and the objects such as the four-level B metal are prevented from being mixed with the supernatant.

In an embodiment, the metal purification system further comprises a grinding device 60 for grinding the metal sand flowing out from the outflow opening 503 and placing the metal sand into the first magnetic attraction device 21 for recycling treatment, so as to improve the extraction purity of the metal.

Referring to fig. 3, fig. 3 is a schematic structural view of a buffering drainage assembly according to an embodiment of the present application, in an embodiment, the metal purification system further includes a buffering drainage assembly 70, the buffering drainage assembly includes a drainage plate 71, two side plates 72, a buffering panel 73, and a surrounding plate 74, the drainage plate 71 is obliquely disposed between the magnetic attraction device 20 and the first attraction and separation device 31; the two side plates 72 are arranged at two sides of the drainage plate 71 at intervals; the buffer panel 73 is arranged at the bottom end of the drainage plate 71 and forms a first buffer slot, a part of metal in the separation liquid of the magnetic suction device 20 is precipitated in the first buffer slot, and the other part of the separation liquid of the magnetic suction device 20 containing metal overflows the top end of the buffer panel 73.

The enclosure 74 is connected between the two side plates 72 to form a U-shape, and the buffer panel 73 is connected, wherein the buffer panel 73 has a groove 731, the groove 731 and the enclosure 74 form an overflow port 732, and a portion of the magnetic attraction device 20 contains a metal separated overflow port 732.

The drainage plate 71 has a plurality of second buffer grooves 711, and the second buffer grooves 711 are disposed in parallel at intervals. The second buffer groove 711 includes a bottom wall 712 and a buffer wall 713, the buffer wall 713 is connected with the bottom wall 712 to form the second buffer groove 711, the buffer wall 713 and the bottom wall 712 may be a right angle, or an acute angle, the acute angle may be 45 degrees to 90 degrees, when the flow rate of the separation liquid is too small, the separation liquid can be deposited in the second buffer groove 711, and when the flow rate of the separation liquid is too large, part of the separation liquid is easy to flow into the second buffer groove 711 and directly flow over the outer surface of the buffer wall 713. The separated liquid of the magnetic attraction device 20 flows into the second buffer tank 711, the heavier substances in the separated liquid are prevented by the inclined wall from flowing forward and are deposited at the bottom of the tank, and the lighter substances overflow out of the inclined wall along with the separated liquid and flow forward to enter the next second buffer tank 711 until reaching an overflow port. The material in the separation liquid flowing through the flow guide plate 71 may be in the form of particles, flakes, strips, etc., or in the form of mud, and the material may be metal, sand, etc., and the metal may be iron, copper, titanium, aluminum, etc. The second buffer grooves 711 may deposit materials having a similar weight or materials having different weights, and specifically, the heights of the inclined walls of the second buffer grooves 711 from the bottom wall 712 are different, and the heights of the inclined walls are sequentially increased toward the overflow port, but the heights of the inclined walls from the bottom wall 712 may be the same. The flow direction length of the buffer panel 73 is longer than the interval between the adjacent two buffer walls 713 so that more metal is deposited. The flow direction refers to the direction of flow of the separation liquid at the flow directing plate 71 so that more metal is deposited.

In one embodiment, the metal purification system further comprises a flow guide obliquely connected between the suction separation device and the enclosure 74 for guiding the separated liquid flowing out from the overflow port 732 into the suction separation device, wherein the inlet of the flow guide 75 has a cross section smaller than that of the enclosure 74 and greater than or equal to that of the overflow port 732, and specifically, the length and width of the inlet of the flow guide 75 are smaller than those of the enclosure 74 and greater than or equal to those of the overflow port 732. The drainage channel can be at least one of a square groove, a square tube, a semicircular groove and a circular tube, and can also be formed by splicing two of the square groove, the square tube, the semicircular groove and the circular tube.

Referring to fig. 4, fig. 4 is a schematic sectional view of a first sucking and separating device 31 according to an embodiment of the present disclosure, in which the first sucking and separating device includes a container 311, a filter 312, and a power source 313. The receptacle 311 includes a first rigid receptacle 3111, a second rigid receptacle 3112 and an elastic receptacle 3113, the first rigid receptacle 3111 and the second rigid receptacle 3112 are communicated with each other through the elastic receptacle 3113, and the first rigid receptacle 3111 receives the separation liquid of the magnetic attraction 20; the filter screen 312 is detachably connected to the first hard accommodating portion 3111 or the second hard accommodating portion 3112, specifically, a hook is provided on an inner wall of the first hard accommodating portion 3111 or the second hard accommodating portion 3112, the filter screen 312 is hung on the hook, so that the filter screen 312 is taken out of the first hard accommodating portion 3111 or the second hard accommodating portion 3112 from the hook to recover the first-class B metal retained on the filter screen 312, the size of the aperture of the filter screen 312 is 3-5mm, and preferably, the aperture of the filter screen 312 is 4mm; the power source 313 is used to push the first rigid storage portion 3111 or the second rigid storage portion 3112 to move elastically, so that the second-level metal B, the third-level metal B, and the fourth-level metal B in the separation liquid flowing in from the magnetic attraction device 20 are adsorbed by the filter screen 312. The power source 313 may be an electric motor or an air cylinder.

The second metal B, the third metal B and the fourth metal B can be in the form of particles, powder, strips or sheets, and the volume of the metal B is smaller than the meshes of the filter screen 312. The first and second hard receiving portions 3111 and 3112 are made of a metal material, and optionally, the metal material is iron or steel. The first rigid housing portion 3111 is cylindrical, and the second rigid housing portion 3112 is bamboo hat-shaped. The second rigid container 3112 has an open mouth through which the second metal B, the third metal B, the fourth metal B and water in the separation liquid flow to the sieving device 40, the elastic container 3113 is made of a rubber material, and the elastic container 311 may be an air bag. The power source 313 is a motor.

The first suction separator 31 further includes a plurality of support rods 314 and a plurality of support rods 318 arranged at intervals, the plurality of support rods 314 supporting the first rigid housing portion 3111, and the plurality of support rods 318 supporting the second rigid housing portion 3112. The number of the supporting rods 314 may be 3 or 4. The filter screen 312 is disposed at the bottom of the first hard accommodating portion 3111, when the power source 313 controls the first hard accommodating portion 3111 to move upward, the compressed elastic accommodating portion 3113 expands elastically to make the liquid in the elastic accommodating portion 3113 decrease instantaneously to form a suction force to absorb the second-level B metal, third-level B metal, and fourth-level B metal in the separation liquid flowing in from the magnetic device 20, and the two-level B metal, the third-level B metal, and the fourth-level B metal enter the elastic accommodating portion 3113 and fall toward the second hard accommodating portion 3112, while the first-level B metal with a larger volume is retained in the filter screen 312; when the power source 313 controls the first hard receiving portion 3111 to move downward, the opened elastic receiving portion 3113 is elastically compressed to make the liquid in the elastic receiving portion 3113 recoil toward the first hard receiving portion 3111, so that the object with larger volume retained in the filter screen 312 moves toward the inlet of the first hard receiving portion 3111, and the metal of the first stage B with larger volume on the filter screen 312 is prevented from blocking the meshes of the filter screen 312. An outlet is provided at the bottom or one side of the second rigid container 3112, so that the separated liquid filtered and introduced into the second rigid container 3112 flows out into the screening device 40.

The first sucking and separating device 31 further includes a plurality of supporting plates 315, the supporting plates 315 are used for supporting the supporting rods 314, each supporting plate 315 can support one supporting rod 314, or can support two supporting rods, optionally, two supporting plates 315 are provided, the number of the supporting rods is 4, and each supporting plate 315 supports 2 supporting rods. The power source 313 serves to push the support plate 315 to move.

The first suction separator 31 further includes a plurality of elastic members 316, the first rigid housing portion 3111 having a first engaging lug 3116, the second rigid housing portion 3112 having a second engaging lug 3117; the elastic member 316 is connected between the first coupling lug 3116 and the second coupling lug 3117. When the power source 313 is powered on, the support bar 314 is driven by pulling the support plate 315 to move the first rigid receiving portion 3111 downward, the elastic member 316 is elastically compressed, when the power source 313 is powered off, the pulling force on the support plate 315 disappears, the compressed elastic member 316 elastically expands to restore the original shape, and pushes the first rigid receiving portion 3111 to move upward, and the compressed elastic receiving portion 3113 is pulled by the first rigid receiving portion 3111 to elastically expand.

In another embodiment, one end of the supporting rod 314 is connected to the first connecting ear 3116, and the other end passes through the elastic member 316 and the second connecting ear 3117 to be connected to the supporting rod 314; the elastic member 316 has one end connected to the second coupling lug 3117 and the other end connected to the supporting rod 314. The number of the first coupling ears 3116, the second coupling ears 3117 and the elastic members 316 corresponds to the number of the support rods.

The elastic member 316 may be a spring, and the first and second hard receiving portions 3111 and 3112 may be made of a metal material, which may be one or more of iron, copper, and steel. The first rigid housing portion 3111 and the second rigid housing portion 3112 may be cylindrical in shape, and the cross section of the first rigid housing portion 3111 and the second rigid housing portion 3112 may be circular or regular hexagonal.

In one embodiment, the first sucking and separating device 31 further includes a bearing plate (not shown) having an opening, the second rigid receiving portion 3112 is clamped in the opening, and the bearing rod 318 supports the bearing plate.

In one embodiment, the first suction-separation device 31 and the second suction-separation device 32 have substantially the same structure, except for the aperture size of the filter screen 312, and the aperture size of the filter screen 312 of the second suction-separation device 32 is 1.5-3mm, optionally 2mm.

The above description is only a part of the embodiments of the present application, and not intended to limit the scope of the present application, and all equivalent devices or equivalent processes performed by the content of the present application and the attached drawings, or directly or indirectly applied to other related technical fields, are also included in the scope of the present application.

Claims (10)

1. The utility model provides a buffering drainage subassembly which characterized in that, buffering drainage subassembly includes:

a drainage plate;

the two side plates are arranged at two sides of the drainage plate at intervals;

the buffering panel is arranged at the bottom end of the drainage plate and forms a first buffering groove;

the coaming is connected between the two side plates to form a U shape, the buffering panel is connected with the coaming, the buffering panel is provided with a groove, and the groove and the coaming form an overflow port.

2. The buffering drainage assembly of claim 1, wherein the drainage plate is provided with a plurality of second buffer grooves, and the plurality of second buffer grooves are arranged in parallel at intervals.

3. The buffer drainage assembly of claim 2, wherein the second buffer groove comprises a bottom wall and a buffer wall, and the buffer wall is connected with the bottom wall to form the second buffer groove.

4. The buffer drainage assembly of claim 3, wherein the length of the buffer panel is greater than the spacing between two adjacent buffer walls.

5. A metal purification system comprising the buffer flow directing assembly of any one of claims 1-4, further comprising:

the magnetic suction device is used for carrying out magnetic suction on the crushed material liquid so as to suck the metal A in the crushed material liquid and separate a separation liquid;

the suction separation device is in fluid connection with the magnetic suction device through the buffering drainage assembly and is used for receiving separation liquid flowing in from the magnetic suction device and performing suction separation treatment to separate the first-stage metal B;

the screening device is used for receiving the separation liquid flowing in from the absorption and separation device and carrying out screening and separation treatment so as to separate the second-level metal B;

and the sedimentation separation device is used for receiving the separation liquid from the screening device and carrying out sedimentation separation so as to precipitate sand and overflow the supernatant.

6. The metal purification system of claim 5, wherein the A metal comprises a primary A metal and a secondary A metal, and the magnetic attraction device comprises:

the first magnetic suction device is used for carrying out adsorption separation on the crushed material liquid so as to adsorb the first-level metal A in the crushed material liquid;

and the second magnetic suction device is used for receiving the separation liquid flowing in from the first magnetic suction device, performing adsorption separation and adsorbing the second-level A metal in the separation liquid flowing in from the first magnetic suction device.

7. The metal purification system of claim 5, wherein the precipitation separation device comprises:

the inner accommodating body is provided with an inner cavity, and the inner cavity is used for receiving the separation liquid of the screening device;

the outer accommodating body is sleeved outside the inner accommodating body and forms an outer cavity together with the inner accommodating body; wherein the content of the first and second substances,

the outer cavity is communicated with the inner cavity, and the bottom end of the inner accommodating body and the bottom end of the outer accommodating body are arranged at intervals.

8. The metal purification system of claim 7, wherein the precipitation separation device further comprises:

the buffer body, with the bottom interval of outer container sets up in order to form the bottom chamber, and through the connecting piece with the bottom interval of interior container is connected, the connecting piece is more than two at least, adjacent two be formed with the reposition of redundant personnel clearance between the connecting piece.

9. The metal purification system of claim 8, wherein the outer housing comprises:

the annular wall is sleeved outside the inner containing body, forms an outer cavity with the inner containing body, and is provided with an overflow outlet close to the top of the annular wall;

and the bottom plate is connected with the bottom of the annular wall and is arranged at intervals with the buffer body to form the bottom cavity.

10. The metal purification system of claim 5, wherein the suction separation device comprises:

the accommodating body comprises a first hard accommodating part, a second hard accommodating part and an elastic accommodating part, the first hard accommodating part and the second hard accommodating part are communicated through the elastic accommodating part, and the first hard accommodating part receives the separation liquid of the magnetic suction device;

a filter net connected to the first hard accommodating part or the second hard accommodating part;

and the power source is used for controlling the first hard accommodating part or the second hard accommodating part to elastically move so that the filter screen adsorbs and separates the first-stage B metal in the separation liquid of the magnetic suction device.

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