CN212050948U - Tombarthite electrolysis sewage treatment plant - Google Patents
Tombarthite electrolysis sewage treatment plant Download PDFInfo
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- CN212050948U CN212050948U CN202020279986.1U CN202020279986U CN212050948U CN 212050948 U CN212050948 U CN 212050948U CN 202020279986 U CN202020279986 U CN 202020279986U CN 212050948 U CN212050948 U CN 212050948U
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Abstract
The utility model discloses a rare earth electrolysis sewage treatment device, which comprises a sewage collecting tank, a primary metal recovery component, a secondary metal recovery component, a rare earth recovery component, an electrolytic tank, a condenser, a pressure balance component, a distillation tower and a catalytic filter, wherein the pressure balance component comprises a regulating valve, a U-shaped pipe and a backflow preventing pipe, the U-shaped pipe is fixedly connected with the electrolytic tank and the distillation tower and is positioned between the electrolytic tank and the distillation tower, the regulating valve is fixedly connected with the U-shaped pipe and is positioned at one side close to the electrolytic tank, the backflow preventing pipe is fixedly connected with the electrolytic tank and the U-shaped pipe and is positioned between the electrolytic tank and the U-shaped pipe, the catalytic filter is provided with an adsorption layer, the primary metal recovery component and the secondary metal recovery component improve the purity of rare earth and ensure the treatment effect by utilizing the pressure balance component and the adsorption layer, the environmental pollution is reduced.
Description
Technical Field
The utility model relates to a tombarthite processing technology field especially relates to a tombarthite electrolysis sewage treatment plant.
Background
The rare earth elements have excellent physical properties such as light, electricity, magnetism, superconduction, catalysis and the like, can form novel materials with various properties and a large variety with other materials, and are called as modern industrial catalysts. The rare earth material has been widely applied in various fields of national economy and national defense industry, and plays an important role in various fields of modern social economy and high technology. However, with the further expansion of the industrial scale of rare earth in recent years, the amount of wastewater discharged per year in the rare earth industry in smelting separation reaches more than 2000 million tons, and the wastewater contains a large amount of rare earth elements, and it is reported that in China, the rare earth yield is 12 million tons per year in recent years, the extraction rate can only reach 96-97% at most, that is, as the amount of rare earth lost in a low-concentration state reaches as much as 4000 tons per year, the discharge of the rare earth-containing wastewater causes the loss of precious rare earth resources, pollutes the environment, and the recovery effect of the rare earth resources is poor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a tombarthite electrolysis sewage treatment plant improves the recovery effect of tombarthite resource, reduces environmental pollution.
In order to achieve the above object, the present invention provides a rare earth electrolysis sewage treatment device, which comprises a sewage collecting tank, a primary metal recovery component, a secondary metal recovery component, a rare earth recovery component, an electrolytic tank, a condenser, a pressure balancing component, a distillation tower and a catalytic filter, wherein the primary metal recovery component is fixedly connected with the sewage collecting tank and is located at one side of the sewage collecting tank, the secondary metal recovery component is fixedly connected with the primary metal recovery component and is located at one side away from the sewage collecting tank, the rare earth recovery component is fixedly connected with the secondary metal recovery component and is located at one side away from the primary metal recovery component, the electrolytic tank is fixedly connected with the rare earth recovery component and is located at one side away from the secondary metal recovery component, the distillation tower is fixedly connected with the electrolytic tank, and is located far away from the rare earth recovery assembly, the catalytic filter is fixedly connected with the distillation tower and is located far away from one side of the electrolytic cell, the condenser is fixedly connected with the electrolytic cell and a steam port of the distillation tower and is located above the electrolytic cell, the pressure balance assembly is fixedly connected with the electrolytic cell and the distillation tower and is located between the electrolytic cell and the distillation tower, the pressure balance assembly comprises a regulating valve, a U-shaped pipe and a backflow preventing pipe, the U-shaped pipe is fixedly connected with the electrolytic cell and the distillation tower and is located between the electrolytic cell and the distillation tower, the regulating valve is fixedly connected with the U-shaped pipe and is located near one side of the electrolytic cell, the backflow preventing pipe is fixedly connected with the electrolytic cell and the U-shaped pipe and is located between the electrolytic cell and the U-shaped pipe, the catalytic filter has an adsorption layer located at a bottom of the catalytic filter.
Wherein, the sewage collecting tank includes box, baffle and baffle, the baffle with box fixed connection to be located in the box, and will the box divide into two upper and lower cavitys, the quantity of baffle is a plurality of, and is a plurality of the baffle with the baffle can be dismantled and be connected, and is located the baffle top.
The primary metal recovery assembly comprises a dosing bag, a buffer plate and a precipitation wall, the dosing bag is fixedly connected with the precipitation wall and is positioned at the top of the precipitation wall, and the buffer plate is fixedly connected with the precipitation wall and is positioned in the precipitation wall.
The secondary metal recovery assembly comprises a recovery box body and a blocking plate, the blocking plate is fixedly connected with the recovery box body and is positioned in the recovery box body, and electrodes are filled in the blocking plate.
The rare earth recovery assembly comprises a solid-liquid separator, a rare earth filter and a rare earth recovery wall, the solid-liquid separator is fixedly connected with the rare earth recovery wall and is positioned in the rare earth recovery wall, and the rare earth filter is fixedly connected with the solid-liquid separator and is positioned below the solid-liquid separator.
The rare earth electrolysis sewage treatment device further comprises a pressure pump, wherein the pressure pump is fixedly connected with the pipeline between the box body and the precipitation wall and is positioned between the box body and the precipitation wall.
The rare earth electrolysis sewage treatment device further comprises a PH adjusting tank, wherein the PH adjusting tank is fixedly connected with the rare earth recovery wall and a pipeline between the electrolytic tanks and is positioned between the rare earth recovery wall and the electrolytic tanks.
The utility model relates to a rare earth electrolysis sewage treatment device, which comprises a sewage collecting tank, a primary metal recovery component, a secondary metal recovery component, a rare earth recovery component, an electrolytic tank, a condenser, a pressure balancing component, a distillation tower and a catalytic filter, wherein the primary metal recovery component is fixedly connected with the sewage collecting tank and positioned at one side of the sewage collecting tank, the secondary metal recovery component is fixedly connected with the primary metal recovery component and positioned at one side far away from the sewage collecting tank, the rare earth recovery component is fixedly connected with the secondary metal recovery component and positioned at one side far away from the primary metal recovery component, the electrolytic tank is fixedly connected with the rare earth recovery component and positioned at one side far away from the secondary metal recovery component, the distillation tower is fixedly connected with the electrolytic tank, and is located far away from the rare earth recovery assembly, the catalytic filter is fixedly connected with the distillation tower and is located far away from one side of the electrolytic cell, the condenser is fixedly connected with the electrolytic cell and a steam port of the distillation tower and is located above the electrolytic cell, the pressure balance assembly is fixedly connected with the electrolytic cell and the distillation tower and is located between the electrolytic cell and the distillation tower, the pressure balance assembly comprises a regulating valve, a U-shaped pipe and a backflow preventing pipe, the U-shaped pipe is fixedly connected with the electrolytic cell and the distillation tower and is located between the electrolytic cell and the distillation tower, the regulating valve is fixedly connected with the U-shaped pipe and is located near one side of the electrolytic cell, the backflow preventing pipe is fixedly connected with the electrolytic cell and the U-shaped pipe and is located between the electrolytic cell and the U-shaped pipe, catalytic filter has the adsorbed layer, the adsorbed layer is located catalytic filter's bottom utilizes one-level metal recovery subassembly with the second grade metal recovery subassembly has improved the purity of tombarthite, and utilizes the pressure balance subassembly has guaranteed to extract the effect, has reduced environmental pollution.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of a rare earth electrolysis sewage treatment device provided by the utility model.
Fig. 2 is a schematic structural diagram of the pressure balance assembly provided by the present invention.
1-sewage collection tank, 2-primary metal recovery component, 3-secondary metal recovery component, 4-rare earth recovery component, 5-electrolytic tank, 6-condenser, 7-pressure balance component, 8-distillation tower, 9-catalytic filter, 10-pressure pump, 11-PH adjusting tank, 12-baffle, 13-baffle, 14-box, 21-explosive-adding bag, 22-buffer plate, 23-settling wall, 31-baffle plate, 32-electrode, 33-recovery box, 41-solid-liquid separator, 42-rare earth filter, 43-rare earth recovery wall, 71-regulating valve, 72-U-shaped pipe, 73-backflow preventing pipe and 91-adsorption layer.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1 and 2, the present invention provides a rare earth electrolysis sewage treatment device, which comprises a sewage collecting tank 1, a primary metal recovery component 2, a secondary metal recovery component 3, a rare earth recovery component 4, an electrolytic tank 5, a condenser 6, a pressure balancing component 7, a distillation tower 8 and a catalytic filter 9, wherein the primary metal recovery component 2 is fixedly connected with the sewage collecting tank 1 and is located at one side of the sewage collecting tank 1, the secondary metal recovery component 3 is fixedly connected with the primary metal recovery component 2 and is located at one side away from the sewage collecting tank 1, the rare earth recovery component 4 is fixedly connected with the secondary metal recovery component 3 and is located at one side away from the primary metal recovery component 2, and the electrolytic tank 5 is fixedly connected with the rare earth recovery component 4, and is located far away from the secondary metal recovery component 3, the distillation tower 8 is fixedly connected with the electrolytic cell 5 and is located far away from the rare earth recovery component 4, the catalytic filter 9 is fixedly connected with the distillation tower 8 and is located far away from the electrolytic cell 5, the condenser 6 is fixedly connected with the electrolytic cell 5 and the steam port of the distillation tower 8 and is located above the electrolytic cell 5, the pressure balance component 7 is fixedly connected with the electrolytic cell 5 and the distillation tower 8 and is located between the electrolytic cell 5 and the distillation tower 8, the pressure balance component 7 comprises a regulating valve 71, a U-shaped pipe 72 and an anti-backflow pipe 73, the U-shaped pipe 72 is fixedly connected with the electrolytic cell 5 and the distillation tower 8 and is located between the electrolytic cell 5 and the distillation tower 8, the regulating valve 71 is fixedly connected with the U-shaped pipe 72, and is located near one side of the electrolytic cell 5, the backflow preventing pipe 73 is fixedly connected with the electrolytic cell 5 and the U-shaped pipe 72 and is located between the electrolytic cell 5 and the U-shaped pipe 72, the catalytic filter 9 is provided with an adsorption layer 91, and the adsorption layer 91 is located at the bottom of the catalytic filter 9.
In this embodiment, the rare earth electrolysis sewage treatment device comprises a sewage collecting tank 1, a primary metal recovery component 2, a secondary metal recovery component 3, a rare earth recovery component 4, an electrolytic tank 5, a condenser 6, a pressure balancing component 7, a distillation tower 8 and a catalytic filter 9, wherein the primary metal recovery component 2, the secondary metal recovery component 3, the rare earth recovery component 4, the electrolytic tank 5, the distillation tower 8 and the catalytic filter 9 are all provided with water inlets and water outlets which are connected through a pipeline, a water inlet of the primary metal recovery component 2 is fixedly connected with a water outlet of the sewage collecting tank 1 and is located on one side of the sewage collecting tank 1, a water inlet of the secondary metal recovery component 3 is fixedly connected with a water outlet of the primary metal recovery component 2 and is located on one side far away from the sewage collecting tank 1, the water inlet of the rare earth recovery component 4 is fixedly connected with the water outlet of the secondary metal recovery component 3 and is positioned at one side far away from the primary metal recovery component 2, the water inlet of the electrolytic cell 5 is fixedly connected with the water outlet of the rare earth recovery component 4 and is positioned at one side far away from the secondary metal recovery component 3, the water inlet of the distillation tower 8 is fixedly connected with the water outlet of the electrolytic cell 5 and is positioned at one side far away from the rare earth recovery component 4, the water inlet of the catalytic filter 9 is fixedly connected with the water outlet of the distillation tower 8 and is positioned at one side far away from the electrolytic cell 5, after heavy metal recovery is carried out on the sewage in the sewage collecting pool 1 through the primary metal recovery component 2 and the secondary metal recovery component 3, the sewage is transmitted to the rare earth recovery component 4 to extract rare earth in the sewage, and after extraction is completed, after the electrolysis of the electrolytic cell 5 and the distillation of the distillation tower 8 in sequence, the pressure balancing component 7 is used for controlling the pressure and the treatment rate, and the liquid condensed by the condenser 6 is transmitted to the catalytic filter 9 for further catalysis and filtration, so as to complete the treatment of the sewage, wherein the water treated by the rare earth electrolysis sewage treatment device is discharged from the water outlet of the catalytic filter 9, the condenser 6 is fixedly connected with the steam ports of the electrolytic cell 5 and the distillation tower 8 and is positioned above the electrolytic cell 5, the condenser 6 is used for cooling the steam in the distillation tower 8, so that the distillation speed of the distillation tower 8 is increased, the phenomenon that the pressure in the distillation tower 8 is too high due to excessive steam in the distillation tower 8 is avoided, the extraction efficiency is reduced, and the pressure balancing component 7 is fixedly connected with the electrolytic cell 5 and the distillation tower 8, and is located between the electrolytic cell 5 and the distillation tower 8, the pressure balancing assembly 7 includes a regulating valve 71, a U-shaped pipe 72 and a backflow preventing pipe 73, the U-shaped pipe 72 is fixedly connected with the electrolytic cell 5 and the distillation tower 8 and is located between the electrolytic cell 5 and the distillation tower 8, wherein the highest point of the U-shaped pipe 72 is generally set at a height higher than the distillation tower 8, which can effectively avoid the pressure in the distillation tower 8 from being too high, generating backflow and affecting the extraction effect, the regulating valve 71 is fixedly connected with the U-shaped pipe 72 and is located at a side close to the electrolytic cell 5, the regulating valve 71 is increased, the pressure in the U-shaped pipe 72 can be regulated, further the flow rate of the liquid in the electrolytic cell 5 entering the distillation tower 8 can be regulated, the extraction distillation can be performed at a limited pressure value, and the extraction effect and the extraction accuracy can be further ensured, further, the environmental pollution can be reduced, the backflow preventing pipe 73 is fixedly connected with the electrolytic cell 5 and the U-shaped pipe 72 and is positioned between the electrolytic cell 5 and the U-shaped pipe 72, one end of the backflow preventing pipe 73 is fixedly connected with the water outlet of the electrolytic cell 5, the other end of the backflow preventing pipe 73 is positioned in the U-shaped pipe 72, the diameter of the backflow preventing pipe is slightly smaller than that of the U-shaped pipe 72, in order to ensure the backflow preventing effect, the position of the water outlet of the electrolytic cell 5 is higher than that of the U-shaped pipe 72 close to the electrolytic cell 5, the backflow preventing pipe 73 is connected with the U-shaped pipe 72 in a downward inclined mode, the catalytic filter 9 is provided with an adsorption layer 91, the adsorption layer 91 is positioned at the bottom of the catalytic filter 9, the adsorption layer 91 is additionally arranged at the bottom of the catalytic filter 9, and can adsorb residual solid particles and some toxic gases in the distilled liquid, the adsorption layer 91 prevents substances having an adsorption force, such as activated carbon or magnets, and reduces the degree of environmental pollution caused by the liquid discharged from the catalytic filter 9.
Further, sewage collecting tank 1 includes box 14, baffle 12 and baffle 13, baffle 13 with box 14 fixed connection, and be located in the box 14, and will box 14 divides into two upper and lower cavitys, the quantity of baffle 12 is a plurality of, and is a plurality of baffle 12 with baffle 13 can dismantle the connection, and is located baffle 13 top.
In this embodiment, the sewage collecting tank 1 includes a tank 14, a baffle 12 and a partition 13, the partition 13 is fixedly connected to the periphery of the tank 14 and is located in the tank 14, the tank 14 is divided into an upper cavity and a lower cavity, the partition 13 has a filtering hole with a certain aperture, so as to filter solid impurities with a predetermined aperture diameter, the partition 13 divides the sewage collecting tank 1 into two spaces, the space located below the partition 13 is used as a space for precipitating larger solid matters in sewage, the baffle 12 is provided in a plurality, the baffle 12 is detachably connected to the partition 13 and is located above the partition 13, wherein the height of the baffle 12 close to the primary metal recovery module 2 is lower than the height of the baffle 12 far away from the primary metal recovery module 2, and the height of the baffle 12 is gradually reduced with the decrease of the distance from the primary metal recovery module 2, a plurality of baffles 12 are utilized to form a plurality of sedimentation areas, so that the sedimentation effect is improved, and the extraction effect of rare earth resources is further improved.
Further, the primary metal recovery assembly 2 comprises a charging bag 21, a buffer plate 22 and a precipitation wall 23, wherein the charging bag 21 is fixedly connected with the precipitation wall 23 and is positioned on the top of the precipitation wall 23, and the buffer plate 22 is fixedly connected with the precipitation wall 23 and is positioned in the precipitation wall 23.
In this embodiment, the primary metal recycling assembly 2 includes a dosing bag 21, a buffer plate 22 and a precipitation wall 23, the dosing bag 21 is fixedly connected to the precipitation wall 23 and is located on the top of the precipitation wall 23, the buffer plate 22 is fixedly connected to the precipitation wall 23 and is located in the precipitation wall 23, the medicine in the dosing bag 21 passing through the top of the precipitation wall 23 is mixed with the sewage flowing from the sewage collecting tank 1, the falling speed of the sewage is reduced by the buffer plate 22, the mixing degree of the medicine in the dosing bag 21 and the sewage can be further improved, the extraction effect of the heavy metal is improved, and the extracted heavy metal is precipitated in the precipitation wall 23 for uniform recycling.
Further, subassembly 3 is retrieved to second grade metal includes retrieving box 33 and separation plate 31, separation plate 31 with retrieve box 33 fixed connection, and be located retrieve in the box 33, it has electrode 32 to fill in separation plate 31.
In this embodiment, second grade metal recovery subassembly 3 is including retrieving box 33 and baffler 31, retrieve box 33 with deposit wall 23 fixed connection, baffler 31 with retrieve box 33 fixed connection, and be located retrieve in the box 33, it has electrode 32 to fill in the baffler 31, utilizes baffler 31 will retrieve box 33 and divide into two spaces about, wherein be close to the space that one-level metal recovered subassembly 2 is greater than keeps away from one-level metal recovered subassembly 2's space, utilizes the noble metal of great space in further to sewage to deposit, and be provided with electrode 32 in the baffler 31, can utilize electrode 32, adsorb the charged metal ion in the sewage, improve the purity of tombarthite, guarantee subsequent rare earth's the extraction effect.
Further, the rare earth recovery assembly 4 comprises a solid-liquid separator 41, a rare earth filter 42 and a rare earth recovery wall 43, wherein the solid-liquid separator 41 is fixedly connected with the rare earth recovery wall 43 and is positioned in the rare earth recovery wall 43, and the rare earth filter 42 is fixedly connected with the solid-liquid separator 41 and is positioned below the solid-liquid separator 41.
In the present embodiment, the rare earth recovery module 4 includes a solid-liquid separator 41, a rare earth filter 42 and a rare earth recovery wall 43, the rare earth recovery wall 43 is fixedly connected with the recovery box 33, the solid-liquid separator 41 is fixedly connected with the rare earth recovery wall 43 and is located in the rare earth recovery wall 43, the rare earth filter 42 is fixedly connected with the solid-liquid separator 41 and is located below the solid-liquid separator 41, the solid-liquid separator 41 is respectively connected with the water inlet and the water outlet in the rare earth recovery module 4, the solid-liquid separator 41 has two channels, since the liquid entering the rare earth recovery module 4 has a certain pressure and a certain speed, under which the liquid and the solid are gradually separated, and finally the separation is completed at the water outlet of the rare earth recovery module 4, and the channels are spiral, the extraction effect of rare earth can be ensured, and then the separated solid is placed in the rare earth filter 42 to filter out the required rare earth resource, wherein the rare earth filter 42 extracts rare earth by adopting multiple layers of filter paper with different pore sizes, and the primary metal recovery component 2 and the secondary metal recovery component 3 are utilized to completely reduce metals in sewage, so that the purity effect of the extracted rare earth resource is good.
Further, the rare earth electrolysis sewage treatment device also comprises a pressure pump 10, wherein the pressure pump 10 is fixedly connected with the box body 14 and the sedimentation wall 23 and is positioned between the box body 14 and the sedimentation wall 23.
In the present embodiment, the rare earth electrolysis sewage treatment device further comprises a pressure pump 10, the pressure pump 10 is fixedly connected with the tank 14 and the sedimentation wall 23 and is located between the tank 14 and the sedimentation wall 23, and the pressure pump 10 is used for ensuring that the sewage in the sewage collecting tank 1 has enough pressure to be transmitted to the electrolytic tank 5 for electrolysis.
Further, the rare earth electrolysis sewage treatment device also comprises a PH adjusting tank 11, wherein the PH adjusting tank 11 is fixedly connected with the rare earth recovery wall 43 and a pipeline between the electrolytic cells 5 and is positioned between the rare earth recovery wall 43 and the electrolytic cells 5.
In this embodiment, tombarthite electrolysis sewage treatment plant still includes PH equalizing basin 11, PH equalizing basin 11 with tombarthite recovery wall 43 with pipeline fixed connection between electrolytic cell 5, and be located tombarthite recovery wall 43 with between the electrolytic cell 5 rare earth recovery subassembly 4 with set up between the electrolytic cell 5 PH equalizing basin 11 can adjust and get into the PH value of the sewage before electrolytic cell 5 to weak alkaline, can guarantee the electrolysis effect, and then guarantee the sewage treatment effect, reduce environmental pollution.
The utility model relates to a rare earth electrolysis sewage treatment device, which comprises a sewage collecting tank 1, a primary metal recovery component 2, a secondary metal recovery component 3, a rare earth recovery component 4, an electrolytic tank 5, a condenser 6, a pressure balancing component 7, a distillation tower 8 and a catalytic filter 9, wherein the primary metal recovery component 2 is fixedly connected with the sewage collecting tank 1 and is positioned at one side of the sewage collecting tank 1, the secondary metal recovery component 3 is fixedly connected with the primary metal recovery component 2 and is positioned at one side far away from the sewage collecting tank 1, the rare earth recovery component 4 is fixedly connected with the secondary metal recovery component 3 and is positioned at one side far away from the primary metal recovery component 2, the electrolytic tank 5 is fixedly connected with the rare earth recovery component 4 and is positioned at one side far away from the secondary metal recovery component 3, the distillation tower 8 is fixedly connected with the electrolytic cell 5 and is positioned at one side far away from the rare earth recovery component 4, the catalytic filter 9 is fixedly connected with the distillation tower 8 and is positioned at one side far away from the electrolytic cell 5, the condenser 6 is fixedly connected with the electrolytic cell 5 and the steam port of the distillation tower 8 and is positioned above the electrolytic cell 5, the pressure balance component 7 is fixedly connected with the electrolytic cell 5 and the distillation tower 8 and is positioned between the electrolytic cell 5 and the distillation tower 8, the pressure balance component 7 comprises a regulating valve 71, a U-shaped pipe 72 and a backflow preventing pipe 73, the U-shaped pipe 72 is fixedly connected with the electrolytic cell 5 and the distillation tower 8 and is positioned between the electrolytic cell 5 and the distillation tower 8, the regulating valve 71 is fixedly connected with the U-shaped pipe 72 and is positioned at one side near the electrolytic cell 5, the backflow preventing pipe 73 is fixedly connected with the electrolytic cell 5 and the U-shaped pipe 72 and is positioned between the electrolytic cell 5 and the U-shaped pipe 72, the catalytic filter 9 is provided with an adsorption layer 91, the adsorption layer 91 is positioned at the bottom of the catalytic filter 9, the component 2 is recovered by the first-level metal and the component 3 is recovered by the second-level metal, so that the purity of rare earth is improved, the pressure balance component 7 is utilized to ensure the extraction effect, and the environmental pollution is reduced.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (7)
1. A rare earth electrolysis sewage treatment device is characterized by comprising a sewage collecting tank, a primary metal recovery component, a secondary metal recovery component, a rare earth recovery component, an electrolytic tank, a condenser, a pressure balancing component, a distillation tower and a catalytic filter, wherein the primary metal recovery component is fixedly connected with the sewage collecting tank and positioned on one side of the sewage collecting tank, the secondary metal recovery component is fixedly connected with the primary metal recovery component and positioned on one side far away from the sewage collecting tank, the rare earth recovery component is fixedly connected with the secondary metal recovery component and positioned on one side far away from the primary metal recovery component, the electrolytic tank is fixedly connected with the rare earth recovery component and positioned on one side far away from the secondary metal recovery component, and the distillation tower is fixedly connected with the electrolytic tank, and is located far away from the rare earth recovery assembly, the catalytic filter is fixedly connected with the distillation tower and is located far away from one side of the electrolytic cell, the condenser is fixedly connected with the electrolytic cell and a steam port of the distillation tower and is located above the electrolytic cell, the pressure balance assembly is fixedly connected with the electrolytic cell and the distillation tower and is located between the electrolytic cell and the distillation tower, the pressure balance assembly comprises a regulating valve, a U-shaped pipe and a backflow preventing pipe, the U-shaped pipe is fixedly connected with the electrolytic cell and the distillation tower and is located between the electrolytic cell and the distillation tower, the regulating valve is fixedly connected with the U-shaped pipe and is located near one side of the electrolytic cell, the backflow preventing pipe is fixedly connected with the electrolytic cell and the U-shaped pipe and is located between the electrolytic cell and the U-shaped pipe, the catalytic filter has an adsorption layer located at a bottom of the catalytic filter.
2. The rare earth electrolysis sewage treatment device according to claim 1, wherein the sewage collecting tank comprises a tank body, a plurality of baffles and a partition plate, the partition plate is fixedly connected with the tank body and positioned in the tank body and divides the tank body into an upper cavity and a lower cavity, the number of the baffles is multiple, and the plurality of the baffles are detachably connected with the partition plate and positioned above the partition plate.
3. The apparatus for treating rare earth electrolysis wastewater according to claim 2, wherein said primary metal recovery module comprises a charge bag, a buffer plate and a precipitation wall, said charge bag being fixedly connected to said precipitation wall and located on top of said precipitation wall, and said buffer plate being fixedly connected to said precipitation wall and located in said precipitation wall.
4. The rare earth electrolysis sewage treatment device according to claim 1, wherein the secondary metal recovery assembly comprises a recovery tank and a baffle plate, the baffle plate is fixedly connected with the recovery tank and positioned in the recovery tank, and the baffle plate is filled with electrodes.
5. The rare earth electrolysis wastewater treatment device according to claim 1, wherein the rare earth recovery assembly comprises a solid-liquid separator, a rare earth filter and a rare earth recovery wall, the solid-liquid separator is fixedly connected with the rare earth recovery wall and is positioned in the rare earth recovery wall, and the rare earth filter is fixedly connected with the solid-liquid separator and is positioned below the solid-liquid separator.
6. The rare earth electrolysis sewage treatment device according to claim 3, further comprising a pressurizing pump fixedly connected with the pipeline between the tank and the sedimentation wall and positioned between the tank and the sedimentation wall.
7. The rare earth electrolysis sewage treatment device according to claim 5, further comprising a pH adjusting tank fixedly connected to the pipe between the rare earth recovery wall and the electrolytic cell and located between the rare earth recovery wall and the electrolytic cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020279986.1U CN212050948U (en) | 2020-03-09 | 2020-03-09 | Tombarthite electrolysis sewage treatment plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020279986.1U CN212050948U (en) | 2020-03-09 | 2020-03-09 | Tombarthite electrolysis sewage treatment plant |
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| Publication Number | Publication Date |
|---|---|
| CN212050948U true CN212050948U (en) | 2020-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020279986.1U Expired - Fee Related CN212050948U (en) | 2020-03-09 | 2020-03-09 | Tombarthite electrolysis sewage treatment plant |
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| Country | Link |
|---|---|
| CN (1) | CN212050948U (en) |
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2020
- 2020-03-09 CN CN202020279986.1U patent/CN212050948U/en not_active Expired - Fee Related
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