CN220351896U - Nickel-tungsten-containing electroplating wastewater treatment device - Google Patents
Nickel-tungsten-containing electroplating wastewater treatment device Download PDFInfo
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- CN220351896U CN220351896U CN202320467543.9U CN202320467543U CN220351896U CN 220351896 U CN220351896 U CN 220351896U CN 202320467543 U CN202320467543 U CN 202320467543U CN 220351896 U CN220351896 U CN 220351896U
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- kettle
- sedimentation
- stirring treatment
- pipe
- stirring
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- 238000009713 electroplating Methods 0.000 title claims abstract description 22
- MOWMLACGTDMJRV-UHFFFAOYSA-N nickel tungsten Chemical compound [Ni].[W] MOWMLACGTDMJRV-UHFFFAOYSA-N 0.000 title claims abstract description 15
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 12
- 238000003756 stirring Methods 0.000 claims abstract description 63
- 239000007788 liquid Substances 0.000 claims abstract description 45
- 238000004062 sedimentation Methods 0.000 claims abstract description 41
- 239000000725 suspension Substances 0.000 claims abstract description 20
- 238000000605 extraction Methods 0.000 claims abstract description 19
- 239000002994 raw material Substances 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 4
- 230000000087 stabilizing effect Effects 0.000 claims 3
- 238000001556 precipitation Methods 0.000 abstract description 42
- 239000002351 wastewater Substances 0.000 abstract description 15
- 239000000654 additive Substances 0.000 abstract description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 12
- 239000000126 substance Substances 0.000 description 11
- 239000005708 Sodium hypochlorite Substances 0.000 description 10
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 10
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 10
- 229910052721 tungsten Inorganic materials 0.000 description 10
- 239000010937 tungsten Substances 0.000 description 10
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 9
- 235000011941 Tilia x europaea Nutrition 0.000 description 9
- 239000004571 lime Substances 0.000 description 9
- 239000002002 slurry Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 6
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 6
- 229910052759 nickel Inorganic materials 0.000 description 6
- CMPGARWFYBADJI-UHFFFAOYSA-L tungstic acid Chemical compound O[W](O)(=O)=O CMPGARWFYBADJI-UHFFFAOYSA-L 0.000 description 6
- 238000002156 mixing Methods 0.000 description 3
- 238000005554 pickling Methods 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- VEQPNABPJHWNSG-UHFFFAOYSA-N Nickel(2+) Chemical compound [Ni+2] VEQPNABPJHWNSG-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 229910021645 metal ion Inorganic materials 0.000 description 2
- 229910001453 nickel ion Inorganic materials 0.000 description 2
- 239000002957 persistent organic pollutant Substances 0.000 description 2
- 230000001376 precipitating effect Effects 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000001962 electrophoresis Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000011790 ferrous sulphate Substances 0.000 description 1
- 235000003891 ferrous sulphate Nutrition 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- BFDHFSHZJLFAMC-UHFFFAOYSA-L nickel(ii) hydroxide Chemical compound [OH-].[OH-].[Ni+2] BFDHFSHZJLFAMC-UHFFFAOYSA-L 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000002468 redox effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- XMVONEAAOPAGAO-UHFFFAOYSA-N sodium tungstate Chemical compound [Na+].[Na+].[O-][W]([O-])(=O)=O XMVONEAAOPAGAO-UHFFFAOYSA-N 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- PBYZMCDFOULPGH-UHFFFAOYSA-N tungstate Chemical compound [O-][W]([O-])(=O)=O PBYZMCDFOULPGH-UHFFFAOYSA-N 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Abstract
The utility model provides a nickel-tungsten-containing electroplating wastewater treatment device, which comprises a two-stage supporting frame, a stirring treatment kettle, a raw material input port, a communicating cutoff pipe, a precipitation kettle and a suspension extraction pipe, wherein: the stirring treatment kettle is fixed at the upper end of the two-stage support frame through a bolt, the raw material input port is welded at the outer side of the stirring treatment kettle, and the communicating cut-off pipe is fixed at the bottom end of the stirring treatment kettle through external threads; the top of sedimentation kettle is fixed in the one end that the intercommunication cut off the pipe through the screw thread, and sedimentation kettle passes through the lower extreme of bolt fastening at two-stage support frame, and this liquid is taken out the pipe and is inlayed on the top of sedimentation kettle. The stirring treatment kettle and the stirring treatment kettle are arranged, so that the wastewater and additives in the stirring treatment kettle can be sufficiently stirred, and precipitation can be performed in a special area.
Description
Technical Field
The utility model relates to the technical field of electroplating wastewater, in particular to a nickel-tungsten-containing electroplating wastewater treatment device.
Background
The surfaces of metal and non-metal materials often need surface treatment modification, such as electroplating, electrophoresis, etching, pickling, dephosphorization, etc., which can produce various waste liquids and waste waters, such as electroplating waste water generated in the electroplating process, pickling waste water generated in the pickling process, etc., and nickel and tungsten can be present in these waste waters. However, the conventional electroplating wastewater still has a problem that the wastewater and additives in the wastewater cannot be sufficiently stirred and the precipitation cannot be performed in a specific area.
Therefore, it is very necessary to invent a nickel-tungsten-containing electroplating wastewater treatment device.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a nickel-tungsten-containing electroplating wastewater treatment device, which solves the problems that the existing electroplating wastewater still cannot sufficiently stir the wastewater and additives in the electroplating wastewater and cannot cause precipitation in a special area. The utility model provides a nickel-tungsten electroplating wastewater treatment device, includes two-stage support frame, stirring treatment cauldron, raw materials input port, intercommunication cut-off pipe, sedimentation kettle and suspension extraction pipe, wherein: the stirring treatment kettle is fixed at the upper end of the two-stage support frame through a bolt, the raw material input port is welded at the outer side of the stirring treatment kettle, and the communicating cut-off pipe is fixed at the bottom end of the stirring treatment kettle through external threads; the top of sedimentation kettle is fixed in the one end that the intercommunication cut off the pipe through the screw thread, and sedimentation kettle passes through the lower extreme of bolt fastening at two-stage support frame, and this liquid is taken out the pipe and is inlayed on the top of sedimentation kettle.
The sedimentation kettle comprises a sedimentation area, a stable bottom plate, a temperature control plate, a disassembly sealing cover and a liquid outlet, wherein the sedimentation area is fixed at the lower end of the two-stage support frame through bolts by the stable bottom plate, and the temperature control plate surrounds the outer side of the sedimentation area and is fixed on the surface of the stable bottom plate through bolts; the disassembly sealing cover is arranged above the sedimentation area through bolts, and the liquid outlet is arranged above the disassembly sealing cover through bolts.
The stirring treatment kettle adopts a group of stainless steel metal kettles, stirring blades are arranged in the stirring treatment kettle, and the stirring blades in the stirring treatment kettle are driven by an outer motor to rotate in the horizontal direction; the surface of the stirring treatment kettle is provided with three groups of raw material input ports which are arranged on the surface of the stirring treatment kettle in a mode of two from top to bottom; the space inside the stirring treatment kettle is communicated with or cut off from the precipitation kettle through the communicating cut-off pipe, and is used for mixing and stirring tungsten precipitation tail liquid, lime slurry and sodium hypochlorite in the precipitation kettle, after stirring, the tungsten precipitation tail liquid, the lime slurry and the sodium hypochlorite can be immediately guided into the precipitation kettle through the communicating cut-off pipe, and the stirring treatment kettle can not stay in the precipitation kettle for a long time, so that all precipitation processes are carried out in the precipitation kettle.
The precipitation kettle adopts a stainless steel metal kettle with the specification consistent with that of the stirring treatment kettle, a disassembly sealing cover in the precipitation kettle can be disassembled in the opposite direction, and a plurality of pieces of temperature control plates are adopted; the inside of the temperature control plate is embedded with a plurality of heating wires for dry combustion, the temperature control plate wraps the temperature control plate, a liquid outlet is positioned at the top end of the precipitation kettle, and an electromagnetic valve is arranged in the liquid outlet; the liquid outlet can be used for the suspension liquid extraction pipe to stretch and retract in the suspension liquid extraction pipe for precipitating substances in the suspension liquid extraction pipe, so that the temperature of the substances in the suspension liquid extraction pipe can be always kept between 30 ℃ and 40 ℃, the substances in the suspension liquid extraction pipe can be always kept at a temperature suitable for precipitation, and the precipitation is not convenient to take out outwards.
Compared with the prior art, the utility model has the following beneficial effects:
1. the stirring treatment kettle is used for mixing and stirring the tungsten-precipitation tail liquid, the lime slurry and the sodium hypochlorite in the stirring treatment kettle, and can be immediately guided into the precipitation kettle through the communicated cutoff pipe after the stirring is completed, so that the tungsten-precipitation tail liquid, the lime slurry and the sodium hypochlorite can not stay in the stirring treatment kettle for a long time, and all the precipitation processes are carried out in the precipitation kettle.
2. The setting of the sedimentation kettle is used for sedimentation of substances in the sedimentation kettle, so that the temperature of the substances in the sedimentation kettle can be always kept between 30 ℃ and 40 ℃, the substances in the sedimentation kettle can be always kept at a temperature suitable for sedimentation, and the sedimentation is not convenient to take out.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
FIG. 2 is a schematic structural view of the precipitation tank of the present utility model.
Fig. 3 is a schematic of the workflow of the present utility model.
In the figure:
the device comprises a two-stage supporting frame 1, a stirring treatment kettle 2, a raw material input port 3, a communicating cutoff pipe 4, a precipitation kettle 5, the two-stage supporting frame 1, the stirring treatment kettle 2, the raw material input port 3, the communicating cutoff pipe 4, the precipitation kettle 5, a suspension extraction pipe 6 and a suspension extraction pipe 6.
Detailed Description
In order that those skilled in the art will better understand the present utility model, a technical solution of the embodiments of the present utility model will be clearly and completely described below, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
As shown in fig. 1 to 3.
The utility model provides a nickel-tungsten-containing electroplating wastewater treatment device, which comprises a two-stage support frame 1, a stirring treatment kettle 2, a raw material input port 3, a communicating cutoff pipe 4, a precipitation kettle 5 and a suspension extraction pipe 6, wherein: the stirring treatment kettle 2 is fixed at the upper end of the two-stage support frame 1 through bolts, the raw material input port 3 is welded at the outer side of the stirring treatment kettle 2, and the communicating cut-off pipe 4 is fixed at the bottom end of the stirring treatment kettle 2 through external threads; the top of sedimentation kettle 5 is fixed in the one end that the intercommunication cut-off pipe 4 through the screw thread, and sedimentation kettle 5 passes through the lower extreme of bolt fastening at two-stage support frame 1, and this liquid is taken out pipe 6 and is inlayed on the top of sedimentation kettle 5.
The sedimentation kettle 5 comprises a sedimentation area 51, a stable bottom plate 52, a temperature control plate 53, a disassembly sealing cover 54 and a liquid outlet 55, wherein the sedimentation area 51 is fixed at the lower end of the two-stage support frame 1 through bolts by the stable bottom plate 52, and the temperature control plate 53 surrounds the outer side of the sedimentation area 51 and is fixed on the surface of the stable bottom plate 52 through bolts; the detachable cover 54 is mounted above the sedimentation zone 51 by bolts, and the liquid outlet 55 is mounted above the detachable cover 54 by bolts.
The two-stage support frame 1 is used for forming two high supports, so that the height difference exists between the stirring treatment kettle 2 and the precipitation kettle 5, and the substances in the stirring treatment kettle are convenient to convey; the stirring treatment kettle 2 adopts a group of stainless steel metal kettles, stirring blades are arranged in the stirring treatment kettle 2, and the stirring blades in the stirring treatment kettle 2 are driven by an outer motor to rotate in the horizontal direction; the surface of the stirring treatment kettle 2 is provided with three groups of raw material input ports 3 which are arranged on the surface of the stirring treatment kettle 2 in a mode of two from top to bottom; the space inside the stirring treatment kettle 2 is communicated with or cut off from the precipitation kettle 5 through the communicating cut-off pipe 4, and is used for mixing and stirring tungsten-precipitation tail liquid, lime slurry and sodium hypochlorite in the precipitation kettle 5, after stirring, the tungsten-precipitation tail liquid, the lime slurry and the sodium hypochlorite can be immediately guided into the precipitation kettle 5 through the communicating cut-off pipe 4, and the tungsten-precipitation tail liquid, the lime slurry and the sodium hypochlorite can not stay in the precipitation kettle 2 for a long time, so that all precipitation processes are carried out in the precipitation kettle 5; the raw material input port 3 is used for inputting tungsten precipitation tail liquid, lime slurry and sodium hypochlorite into the stirring treatment kettle 2; the communicating cutoff pipe 4 is used for communicating the stirring treatment kettle 2 and the precipitation kettle 5; the sedimentation kettle 5 is a stainless steel metal kettle with the specification consistent with that of the stirring treatment kettle 2, a disassembly sealing cover 54 in the sedimentation kettle 5 can be disassembled in a direction, and a plurality of temperature control plates 53 are adopted; a plurality of heating wires for dry combustion are embedded in the temperature control plate 53, the temperature control plate 53 wraps the temperature control plate 53, a liquid outlet 55 is positioned at the top end of the precipitation kettle 5, and an electromagnetic valve is arranged in the liquid outlet 55; the liquid outlet 55 can be used for the suspension liquid extraction pipe 6 to stretch and retract in the suspension liquid extraction pipe for precipitating substances in the suspension liquid extraction pipe, so that the temperature of the substances in the suspension liquid extraction pipe can be kept between 30 ℃ and 40 ℃ all the time, the substances in the suspension liquid extraction pipe can be kept in a temperature suitable for precipitation all the time, and the precipitation is not convenient to take out outwards; the suspension extraction pipe 6 is used to extract the suspension produced after precipitation outwards.
Example 2
The existing treatment process comprises the following steps: as shown in figure 3, hydrochloric acid is used for converting tungsten element in nickel-tungsten-containing electroplating wastewater into tungstic acid to precipitate, and crude tungstic acid can be purified. The ammonia nitrogen and COD content in the tungsten-sinking tail liquid is higher, and the tungsten-sinking tail liquid can be discharged after reaching the standard through treatment; the nickel element can be removed in the ammonia nitrogen removal process.
The nickel-tungsten-containing electroplating wastewater to be treated is acidic, the nickel and tungsten contents are above 20g/L, the ammonia nitrogen content is 10-20 g/L, and the COD is as high as 40g/L.
(1) Precipitated tungstic acid
Due to the different chemical properties of nickel and tungsten, the nickel and tungsten cannot be treated under the same conditions; the tungsten element is generally present in solution in the form of anions (WO 42-) and the tungstic acid is present in precipitated form under acidic conditions (in the absence of hydrofluoric acid). The nickel-tungsten-containing electroplating wastewater is acidified by hydrochloric acid, so that the hydrochloric acid is excessive to obtain tungstic acid precipitate, and the tungsten content in the tail liquid is lower than 2g/L.
(2) Breaking ammonia nitrogen
The pH of the tail liquid after the tungstic acid precipitation is regulated to be strong alkaline by lime slurry, ammonia gas is generated, and then sodium hypochlorite is added to accelerate ammonia nitrogen decomposition, so that the sodium hypochlorite has a certain effect on reducing COD. The nickel ions and the residual tungstate radical can be disposed of in the step, and the nickel ions are precipitated in the form of nickel hydroxide under the strong alkaline condition; the sodium tungstate in the solution reacts with calcium hydroxide to generate calcium tungstate precipitate, metal ions in the tail liquid after filter pressing can reach the emission standard, and the nickel-containing precipitate can be smelted and recycled later.
(3) Fenton reaction to remove COD
The technology for removing COD in the disposal process is Fenton oxidation, which has extremely high capability of removing organic pollutants difficult to degrade, and utilizes the strong redox property of ferrous sulfate and hydrogen peroxide to generate hydroxyl free radicals with strong oxidizing property, and the hydroxyl free radicals are generated with the organic matters difficult to degrade, and finally the organic pollutants difficult to degrade are effectively oxidized and decomposed. And (3) carrying out Fenton reaction for 1-2 times on the solution with the metal ions and ammonia nitrogen reaching the standards, wherein COD can reach the emission standard, and the produced iron-containing sludge can be smelted and recovered.
By utilizing the technical scheme of the utility model or under the inspired by the technical scheme of the utility model, a similar technical scheme is designed by a person skilled in the art, so that the technical effects are achieved, and the technical scheme falls into the protection scope of the utility model.
Claims (4)
1. Nickel-tungsten-containing electroplating wastewater treatment device is characterized in that: including two-stage support frame (1), stirring treatment cauldron (2), raw materials input port (3), intercommunication cut-off pipe (4), sedimentation kettle (5) and suspension extraction pipe (6), wherein: the stirring treatment kettle (2) is fixed at the upper end of the two-stage supporting frame (1) through a bolt, the raw material input port (3) is welded at the outer side of the stirring treatment kettle (2), and the communicating cut-off pipe (4) is fixed at the bottom end of the stirring treatment kettle (2) through external threads; the top of sedimentation kettle (5) is fixed in the one end of intercommunication cut-off pipe (4) through the screw thread, and sedimentation kettle (5) pass through the lower extreme of bolt fastening at two-stage support frame (1), and this liquid is taken out pipe (6) and is inlayed on the top of sedimentation kettle (5).
2. The nickel-tungsten-containing electroplating wastewater treatment device according to claim 1, wherein: the sedimentation kettle (5) comprises a sedimentation zone (51), a stabilizing bottom plate (52), a temperature control plate (53), a disassembly sealing cover (54) and a liquid outlet (55), wherein the sedimentation zone (51) is fixed at the lower end of the two-stage support frame (1) through bolts by the stabilizing bottom plate (52), and the temperature control plate (53) surrounds the outer side of the sedimentation zone (51) and is fixed on the surface of the stabilizing bottom plate (52) through bolts; the disassembly sealing cover (54) is arranged above the sedimentation zone (51) through bolts, and the liquid outlet (55) is arranged above the disassembly sealing cover (54) through bolts.
3. The nickel-tungsten-containing electroplating wastewater treatment device according to claim 1, wherein: the stirring treatment kettle (2) is a group of stainless steel metal kettles, stirring blades are arranged in the stirring treatment kettle (2), and the stirring blades in the stirring treatment kettle (2) are driven by an outer motor to rotate in the horizontal direction; the surface of the stirring treatment kettle (2) is provided with three groups of raw material input ports (3) which are arranged on the surface of the stirring treatment kettle (2) in a two-over-two mode; the space inside the stirring treatment kettle (2) is communicated with or cut off by a communicating cut-off pipe (4) through the communicating cut-off pipe (4).
4. The nickel-tungsten-containing electroplating wastewater treatment device according to claim 2, wherein: the sedimentation kettle (5) is a stainless steel metal kettle with the specification consistent with that of the stirring treatment kettle (2), a disassembly sealing cover (54) in the sedimentation kettle (5) can be disassembled in the opposite direction, and the temperature control plate (53) is a plurality of pieces; a plurality of heating wires for dry heating are embedded in the temperature control plate (53), the temperature control plate (53) wraps the temperature control plate (53),
the liquid outlet (55) is positioned at the top end of the sedimentation kettle (5), and an electromagnetic valve is arranged in the liquid outlet (55);
the liquid outlet (55) can be used for the suspension liquid extraction pipe (6) to stretch and retract in the suspension liquid extraction pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202320467543.9U CN220351896U (en) | 2023-03-13 | 2023-03-13 | Nickel-tungsten-containing electroplating wastewater treatment device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202320467543.9U CN220351896U (en) | 2023-03-13 | 2023-03-13 | Nickel-tungsten-containing electroplating wastewater treatment device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117884452A (en) * | 2024-03-15 | 2024-04-16 | 崇义章源钨业股份有限公司 | Method for treating ammonia-containing tungsten-containing slag |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117884452A (en) * | 2024-03-15 | 2024-04-16 | 崇义章源钨业股份有限公司 | Method for treating ammonia-containing tungsten-containing slag |
| CN117884452B (en) * | 2024-03-15 | 2024-06-11 | 崇义章源钨业股份有限公司 | Method for treating ammonia-containing tungsten-containing slag |
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