CN118109890A - Equipment and process for extracting iron from antimony-containing electrolyte - Google Patents
Equipment and process for extracting iron from antimony-containing electrolyte Download PDFInfo
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- CN118109890A CN118109890A CN202410507127.6A CN202410507127A CN118109890A CN 118109890 A CN118109890 A CN 118109890A CN 202410507127 A CN202410507127 A CN 202410507127A CN 118109890 A CN118109890 A CN 118109890A
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- reaction tank
- pipe
- antimony
- iron
- electrolyte
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 133
- 239000003792 electrolyte Substances 0.000 title claims abstract description 68
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 68
- 229910052787 antimony Inorganic materials 0.000 title claims abstract description 61
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 title claims abstract description 61
- 238000000034 method Methods 0.000 title claims description 9
- 230000008569 process Effects 0.000 title claims description 8
- 238000006243 chemical reaction Methods 0.000 claims abstract description 99
- 239000000463 material Substances 0.000 claims abstract description 49
- 238000003756 stirring Methods 0.000 claims abstract description 46
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 36
- 239000002244 precipitate Substances 0.000 claims abstract description 33
- 238000010438 heat treatment Methods 0.000 claims abstract description 29
- 238000000605 extraction Methods 0.000 claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 238000004140 cleaning Methods 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims description 63
- 238000002156 mixing Methods 0.000 claims description 33
- 230000000903 blocking effect Effects 0.000 claims description 24
- 230000008093 supporting effect Effects 0.000 claims description 22
- 238000007599 discharging Methods 0.000 claims description 15
- 230000009471 action Effects 0.000 claims description 8
- 238000003860 storage Methods 0.000 claims description 7
- 230000001376 precipitating effect Effects 0.000 claims description 6
- 238000007790 scraping Methods 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 230000000087 stabilizing effect Effects 0.000 claims description 4
- 238000001556 precipitation Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 15
- 230000009467 reduction Effects 0.000 description 8
- 230000003749 cleanliness Effects 0.000 description 5
- 238000013329 compounding Methods 0.000 description 4
- 239000008139 complexing agent Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- -1 iron ion Chemical class 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 229910001439 antimony ion Inorganic materials 0.000 description 1
- GQUNDNXVBXIIRU-UHFFFAOYSA-K azanium antimony(3+) oxalate Chemical compound [NH4+].[Sb+3].[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O GQUNDNXVBXIIRU-UHFFFAOYSA-K 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229940062993 ferrous oxalate Drugs 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- OWZIYWAUNZMLRT-UHFFFAOYSA-L iron(2+);oxalate Chemical compound [Fe+2].[O-]C(=O)C([O-])=O OWZIYWAUNZMLRT-UHFFFAOYSA-L 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- BHZRJJOHZFYXTO-UHFFFAOYSA-L potassium sulfite Chemical compound [K+].[K+].[O-]S([O-])=O BHZRJJOHZFYXTO-UHFFFAOYSA-L 0.000 description 1
- 235000019252 potassium sulphite Nutrition 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses antimony-containing electrolyte extraction iron removal equipment, which comprises a reaction tank, wherein the reaction tank comprises a stirring shaft which is internally and rotatably arranged, a feeding mechanism is arranged between the top of the reaction tank and the stirring shaft, the feeding mechanism comprises a feed barrel which is arranged at the top of the reaction tank, an extension material pipe which penetrates through the reaction tank is arranged at the bottom of the feed barrel, a discharge hole is formed in the circumferential surface of the lower end of the extension material pipe, and a bearing plugging block is arranged at the upper pipe orifice of the extension material pipe; according to the invention, the feeding amount can be regulated according to the reaction intensity of the reducing agent and the antimony electrolyte, the condition that the temperature of the electrolyte is influenced due to the violent reaction, so that the iron removal effect is influenced is avoided, the continuous feeding and indirect feeding of the reducing agent are realized, the iron-containing precipitate at the bottom of the reaction tank can be dried by the heating component, the upper solution discharged from the reaction tank can be subjected to reaction treatment again by the residual solution cleaning component, and the iron removal efficiency and convenience of the antimony electrolyte are improved.
Description
Technical Field
The invention belongs to the technical field of antimony electrolyte iron removal equipment, and particularly relates to antimony-containing electrolyte extraction iron removal equipment and process.
Background
Antimony electrolytes are commonly used in the ammonium antimony oxalate solution system. The electrolyte is suitable for the technical process of electrorefining crude antimony or electrodepositing antimony. The antimony electrolyte contains iron ion impurities, and the iron ions in the antimony electrolyte need to be removed.
For example, a method for selectively removing iron from an antimony electrolyte and preparing ferrous oxalate is disclosed in publication No. CN106498442B, wherein a complexing agent is used for matching iron and antimony ions in the electrolyte, then a reducing agent is added for selectively reducing an iron ion complex, then the reduced electrolyte is subjected to solid-liquid separation of an iron-containing compound and an excessive complexing agent, and finally a precipitating agent is added for precipitating and separating the complexing agent.
When reducing agent is added into the antimony electrolyte to remove iron, the reaction intensity of different reducing agents and the antimony electrolyte is different, and the problem that the subsequent iron removal effect is affected due to the fact that the integral temperature of the electrolyte is changed by adding excessive reducing agent at one time is solved.
Disclosure of Invention
The invention aims to provide equipment and a process for removing iron by extracting antimony-containing electrolyte, which are used for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an antimony-containing electrolyte extraction deironing equipment, includes the retort, the retort includes inside the (mixing) shaft that rotates and sets up, be provided with feeding mechanism between retort top and the (mixing) shaft, feeding mechanism is including setting up the feed vat at the retort top, the feed vat bottom is provided with the extension material pipe that runs through the retort, the discharge opening has been seted up to extension material pipe lower extreme circumference surface, the mouth of pipe is provided with the bearing blanking block on the extension material pipe, be provided with the drive component that drives the upward movement of bearing blanking block between (mixing) shaft and the feed vat top, the below of bearing blanking block is provided with the blanking ring that is located the downthehole wall of discharge;
the driving member comprises a supporting shaft which is rotationally connected with the stirring shaft, a gear lack is arranged on the supporting shaft, and a fixed rack for driving the bearing plugging block to move is vertically meshed with the outer side of the gear lack.
An elastic member is arranged between the inside of the feed barrel and the bearing material blocking block, the elastic member comprises a telescopic pipe fixed on the inner surface of the upper end of the feed barrel, an electric telescopic rod is arranged at the lower end of the telescopic pipe, and the lower end of the electric telescopic rod is connected with the upper surface of the bearing material blocking block;
elastic pieces are arranged on the outer sides of the telescopic pipe and the electric telescopic rod;
The driving member comprises a main bevel gear fixedly sleeved at the upper end of the stirring shaft, a secondary bevel gear is arranged on the outer side of the main bevel gear in a meshed manner, the secondary bevel gear is fixedly sleeved at the inner end of the supporting shaft, and a stabilizing plate for supporting the supporting shaft is arranged on the upper surface of the feed barrel;
The telescopic pipe is characterized in that a guide post which movably penetrates through the top of the feed barrel is arranged at the upper end of the telescopic pipe, a limiting plate which is in contact with the feed barrel is fixedly arranged on the guide post, and a telescopic shell with two ends respectively fixed between the top of the guide post and the upper surface of the feed barrel is sleeved on the guide post.
Preferably, the upper end and the lower end of the elastic piece are respectively fixed on the inner surface of the upper end of the feed barrel and the upper surface of the bearing plugging block, and a connecting rod is arranged between the lower surface of the bearing plugging block and the plugging ring;
Preferably, a plurality of feed openings are formed in the lower surface of the reaction tank, a heating member is arranged at the bottom of the reaction tank and comprises a heating pipe arranged between adjacent feed openings, two ends of the heating pipe are fixed on the inner surface of the fixing frame, the heating member further comprises a pushing plate fixedly sleeved at the lower end of the stirring shaft, and a receiving barrel is arranged below the reaction tank.
Preferably, the scraping plate attached to the inner wall of the reaction tank is vertically arranged at the outer end of the pushing plate, the blanking opening is internally provided with the blanking plate, the center of the bottom of the reaction tank is provided with the driving cylinder, and a connecting plate is arranged between the lower end of the piston rod inside the driving cylinder and the blanking plate.
Preferably, the reaction tank right side is provided with the raffinate clearance component, the raffinate clearance component is including the raffinate collecting box that is located the reaction tank right side, the inside rotatable compounding axle that is provided with of raffinate collecting box, compounding axle lower extreme is provided with the compounding blade that is located the raffinate collecting box, all be provided with the band pulley between compounding axle upper end and the (mixing) shaft, adjacent two be provided with the drive belt between the band pulley.
Preferably, a liquid storage cylinder arranged at the top of the reaction tank and a feeding pipe are arranged at the top of the residual liquid collecting tank, a liquid inlet pipe is arranged between the left side of the residual liquid collecting tank and the reaction tank, and a supporting frame is arranged between the upper surface of the residual liquid collecting tank and the mixing shaft.
The process for removing iron by extracting antimony-containing electrolyte by using the equipment comprises the following steps:
S1, feeding, namely injecting a proper amount of reducing agent into a feeding barrel, injecting antimony electrolyte into the feeding barrel through a liquid injection pipe at the left side of a reaction tank, and mixing and stirring under the drive of a stirring shaft;
S2, batch discharging, namely driving a driving member to work along with rotation of a stirring shaft, driving an elastic member to elastically move up and down, driving a bearing material blocking block to move upwards and separate from an extension material pipe, enabling a reducing agent in a material feeding barrel to enter the extension material pipe to feed into a reaction tank, mixing and reacting with antimony electrolyte to remove iron, and suspending feeding when the bearing material blocking block blocks downwards and blocks the extension material pipe again;
s3, precipitation separation, namely after the reducing agent reacts with the antimony electrolyte, forming an iron-containing precipitate, stopping rotation of a stirring shaft, precipitating the iron-containing precipitate at the bottom of a reaction tank, and then enabling the upper liquid to enter a residual liquid collecting box through a liquid inlet pipe to separate the precipitate from the liquid;
s4, treating the residual liquid, namely enabling the reducing agent in the liquid storage barrel to enter the residual liquid collecting box through the feed pipe, and rotating under the action of the mixing shaft to mix the reducing agent with the residual liquid;
s5, heating and drying the iron-containing precipitate in the reaction tank under the action of a heating component, and discharging the precipitate through a discharging opening and collecting the precipitate in a material collecting barrel under the pushing of a rotating material pushing plate.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the feeding amount can be regulated according to the reaction intensity of the reducing agent and the antimony electrolyte, the condition that the temperature of the electrolyte is influenced due to the violent reaction, so that the iron removal effect is influenced is avoided, the iron in the electrolyte is in a proper temperature range for reacting with the reducing agent, the iron removal efficiency and convenience of the antimony electrolyte are improved, and continuous feeding and indirect feeding of the reducing agent are realized.
According to the invention, the heating component is combined with the reaction tank, so that the iron-containing precipitate at the bottom of the reaction tank can be dried, and the dried iron-containing precipitate is conveniently discharged from the feed opening, thereby improving the collection convenience of the iron-containing precipitate and the iron removal stability of the antimony electrolyte.
According to the invention, through combining the residual liquid cleaning component, the reaction tank and the stirring shaft, the upper solution discharged from the reaction tank can be subjected to reaction treatment again, so that the cleanliness of the antimony electrolyte is improved, and the stability and convenience of deironing the antimony electrolyte are ensured.
Drawings
FIG. 1 is a schematic diagram of the structure of an apparatus for removing iron from an antimony electrolyte according to the present invention;
FIG. 2 is a schematic diagram showing a side view of the iron removing apparatus for antimony electrolyte according to the present invention;
FIG. 3 is a schematic diagram showing the internal structure of the iron removal device for antimony electrolyte according to the present invention;
FIG. 4 is a schematic structural view of a feeding mechanism according to the present invention;
FIG. 5 is a schematic view of the driving member according to the present invention;
FIG. 6 is a schematic view of the structure of the elastic member of the present invention;
FIG. 7 is a schematic view of a bottom view of a heating element according to the present invention;
FIG. 8 is an exploded view of a heating element of the present invention;
FIG. 9 is a schematic rear view of the interior of the residual liquid removing member according to the present invention;
In the figure: 100. a reaction tank; 101. a stirring shaft; 102. a stirring motor; 200. a feeding mechanism; 201. a driving member; 2011. a main bevel gear; 2012. a slave bevel gear; 2013. a support shaft; 2014. a fixed rack; 2015. a gear-missing; 2016. a stabilizing plate; 202. a feed barrel; 203. an elastic member; 2031. a telescopic tube; 2032. an elastic member; 2033. an electric telescopic rod; 2034. a blocking ring; 204. a bearing plugging block; 205. an extension pipe; 206. a discharge hole; 207. a telescoping housing; 208. a guide post; 209. a limiting plate; 210. a liquid injection hole; 300. a heating member; 301. a material collecting barrel; 302. heating pipes; 303. a fixing frame; 304. a pushing plate; 305. a scraping plate; 306. a blanking plate; 307. a drive cylinder; 308. a connecting plate; 400. a residual liquid cleaning member; 401. a residual liquid collection box; 402. a mixing shaft; 403. a belt wheel; 404. a transmission belt; 405. a feed pipe; 406. mixing blades; 407. a support frame; 408. a liquid inlet pipe; 409. a liquid storage cylinder.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1-6, the present invention provides the following technical solutions: the antimony-containing electrolyte extraction iron removal equipment comprises a reaction tank 100, wherein the reaction tank 100 comprises a stirring shaft 101 which is internally and rotatably arranged, the upper end of the stirring shaft 101 is provided with a stirring motor 102, a feeding mechanism 200 is arranged between the top of the reaction tank 100 and the stirring shaft 101, the feeding amount can be adjusted according to the reaction intensity of a reducing agent and an antimony electrolyte through the arrangement of the feeding mechanism 200, the condition that the temperature of the electrolyte is influenced by the violent reaction so as to influence the iron removal effect is avoided, iron in the electrolyte is in a proper temperature range for reacting with the reducing agent, the iron removal efficiency and convenience of the antimony electrolyte are improved, the continuous feeding and indirect feeding of the reducing agent are realized, the feeding mechanism 200 comprises a feeding barrel 202 arranged at the top of the reaction tank 100, an extension material pipe 205 penetrating the reaction tank 100 is arranged at the bottom of the feeding barrel 202, the discharging hole 206 is formed in the circumferential surface of the lower end of the extension material pipe 205, the bearing material blocking block 204 is arranged at the pipe opening of the extension material pipe 205, the weight of the bearing material blocking block 204 is larger than the received buoyancy, the material blocking can be moved downwards under the action of no external force, the bearing material blocking block 204 is T-shaped, the material blocking can conveniently extend into the pipe opening of the extension material pipe 205, the buffer ring is arranged at the bottom of the reaction tank 100, the buffer protection effect is achieved on the bearing material blocking block 204 while the material blocking of the pipe opening is not influenced by the bearing material blocking block 204, the driving component 201 for driving the bearing material blocking block 204 to move upwards is arranged between the stirring shaft 101 and the top of the material feeding barrel 202, the material blocking ring 2034 positioned on the inner wall of the discharging hole 206 is arranged below the bearing material blocking block 204, and the height of the material blocking ring 2034 is larger than the diameter of the discharging hole 206, so that the material blocking can conveniently be blocked for the discharging hole 206;
The driving member 201 comprises a supporting shaft 2013 rotationally connected with the stirring shaft 101, a gear-missing 2015 is arranged on the supporting shaft 2013, the gear-missing 2015 can be driven to indirectly mesh with a fixed rack 2014 along with the rotation of the supporting shaft 2013, the fixed rack 2014 which drives the bearing plugging block 204 to move is vertically meshed on the outer side of the gear-missing 2015, the fixed rack 2014 is fixed on the top of the guide post 208 and can drive the guide post 208 to move upwards, so that the elastic member 203 and the bearing plugging block 204 which are connected with the lower surface of the guide post 208 are driven to move upwards;
An elastic member 203 is arranged between the inside of the feed barrel 202 and the bearing plugging block 204, the elastic member 203 can assist the bearing plugging block 204 to reset downwards for plugging, the elastic member 203 comprises a telescopic pipe 2031 fixed on the inner surface of the upper end of the feed barrel 202, the telescopic pipe 2031 is convenient for adapting to the upward movement of the bearing plugging block 204, an electric telescopic rod 2033 is arranged at the lower end of the telescopic pipe 2031, the lower end of the electric telescopic rod 2033 is connected with the upper surface of the bearing plugging block 204, and the electric telescopic rod 2033 can drive the bearing plugging block 204 to move for selecting whether plugging of a pipe orifice of the extension pipe 205 occurs;
the outer sides of the telescopic tube 2031 and the electric telescopic rod 2033 are provided with elastic pieces 2032, the elastic pieces 2032 are in an outward elastic recovery state, the bearing plugging block 204 is ensured to be contacted with the bottom of the reaction tank 100, and the contact of the two can facilitate the meshing of the gear 2015 with the fixed rack 2014, so that the bearing plugging block 204 can conveniently move downwards to plug materials;
The driving member 201 comprises a main bevel gear 2011 fixedly sleeved at the upper end of the stirring shaft 101, the main bevel gear 2011 can simultaneously drive a plurality of auxiliary bevel gears 2012 to rotate along with the rotation of the stirring shaft 101, auxiliary bevel gears 2012 are meshed with the outer sides of the main bevel gears 2011, the auxiliary bevel gears 2012 are fixedly sleeved at the inner ends of the supporting shafts 2013, a stabilizing plate 2016 for supporting the supporting shafts 2013 is arranged on the upper surface of the feed barrel 202, the supporting effect is achieved along with the supporting shafts 2013, and meanwhile the in-situ rotation of the supporting shafts 2013 is not influenced;
The upper end of the telescopic pipe 2031 is provided with a guide post 208 which movably penetrates through the top of the feed barrel 202, a limiting plate 209 which is in contact with the feed barrel 202 is fixedly arranged on the guide post 208, the limiting plate 209 can limit and fix the downward moving position of the guide post 208, a telescopic shell 207 with two ends respectively fixed between the top of the guide post 208 and the upper surface of the feed barrel 202 is sleeved on the guide post 208, and the telescopic shell 207 can play a sealing role on the movement of the guide post 208 so as to avoid the outward overflow of the reducing agent.
In this embodiment, preferably, the upper and lower ends of the elastic member 2032 are respectively fixed on the inner surface of the upper end of the feed barrel 202 and the upper surface of the load-bearing plugging block 204, and a connecting rod is disposed between the lower surface of the load-bearing plugging block 204 and the plugging ring 2034.
In summary, before feeding antimony electrolyte, a proper amount of reducing agent is injected into the feed bucket 202, the stirring motor 102 works, the stirring shaft 101 is driven to rotate and stir the antimony electrolyte in the reaction tank 100, when the batch feeding of the antimony electrolyte to the reaction tank 100 is required, the stirring shaft 101 drives the main bevel gear 2011 to rotate, the engaged bevel gear 2012 and the supporting shaft 2013 rotate in situ, the gear-lack 2015 is driven to rotate, the engaged fixed rack 2014 moves upwards, the guide post 208 connected with the fixed rack 2014 drives the telescopic tube 2031 and the electric telescopic rod 2033 to move upwards, the elastic piece 2032 is compressed and generates recovery elasticity in the downward direction, the bearing block 204 is separated from the orifice of the extension tube 205 along with the upward movement of the electric telescopic rod 2033, and the discharge hole 206 is exposed by the upward movement of the driving ring 2034, the reducing agent in the reaction tank 100 enters the extension tube 205 from the gap between the bearing block 204 and the orifice 206, after the gear-lack 2014 is driven to rotate, the fixed rack 2014 moves downwards under the action of gravity, the elastic piece 2032 is driven to move upwards, the situation of the heavy reduction can be avoided, the heavy reduction of the heavy reduction is completely, the situation of the antimony electrolyte is prevented from being fed into the reaction tank 2032, the situation of the heavy reduction is completely, the heavy reduction of the antimony electrolyte is prevented from being fed into the reaction tank, and the heavy reduction of the reaction can be fully reduced, and the heavy reduction of the reaction of the antimony electrolyte is prevented from being fed into the reaction ring down, and the reaction solution is fully and the reaction to be fully charged into the reaction by the reaction ring-down by the reaction ring material-down by the reduction of the heavy material; when continuous feeding is needed, the electric telescopic rod 2033 works, the inner piston rod is retracted upwards, the bearing plugging block 204 is driven to move upwards to be separated from the extension pipe 205, the extension pipe 205 is exposed all the time, the reducing agent is continuously discharged from the discharge hole 206 to be fed into the reaction tank 100, and the iron removal convenience of the antimony electrolyte is improved.
Example two
Referring to fig. 7 and 8, a second embodiment of the present invention is shown.
In this embodiment, preferably, a plurality of feed openings are formed on the lower surface of the reaction tank 100, a heating member 300 is disposed at the bottom of the reaction tank 100, the heating member 300 can dry the iron-containing precipitate at the bottom of the reaction tank 100, and is convenient for discharging the dried iron-containing precipitate from the feed openings, convenience in collecting the iron-containing precipitate and stability in removing iron from antimony electrolyte are increased, the heating member 300 comprises a heating pipe 302 installed between adjacent feed openings, the heating pipe 302 is uniformly distributed along the lower surface of the reaction tank 100, the precipitate at the bottom of the reaction tank 100 is conveniently dried, two ends of the heating pipe 302 are fixed on the inner surface of a fixing frame 303, the heating member 300 further comprises a pushing plate 304 fixedly sleeved at the lower end of a stirring shaft 101, the stirring shaft 101 rotates to drive the pushing plate 304 to rotate, the bottom of the reaction tank 100 pushes the iron-containing precipitate out from the feed openings, a receiving tank 301 is disposed below the reaction tank 100, the outer end of the pushing plate 304 is vertically provided with a scraping plate 305 attached to the inner wall of the reaction tank 100, the scraping plate 304 can be driven to rotate along with the rotation of the pushing plate 304 to push the inner wall 305 of the reaction tank 100, the scraping plate is driven to move the inner wall of the reaction tank 100, the bottom of the reaction tank 306 is provided with a connecting plate 307, and a connecting plate 307 is driven to move the inner wall of the reaction tank 308 to the piston rod to block the bottom of the reaction tank, and the piston rod is driven to move.
In summary, after the antimony electrolyte reacts with the reducing agent, standing and precipitating are performed, at this time, the reducing agent in the feed barrel 202 is just used up, after the antimony electrolyte stands, the iron-containing precipitate is precipitated at the bottom of the reaction tank 100, the upper solution is discharged outwards, after the upper solution is discharged, the heating pipe 302 heats the bottom of the reaction tank 100, the heated temperature just dries the iron-containing precipitate, decomposition cannot occur at the same time, after the iron-containing precipitate is dried, the driving cylinder 307 works, the internal piston rod stretches out to drive the connecting plate 308 and the blanking plate 306 to move downwards, the blanking plate 306 is separated from the feed opening, the stirring shaft 101 starts to rotate to drive the blanking plate 304 to rotate, the blanking plate 304 rotates the iron-containing precipitate at the bottom of the reaction tank 100 to push the iron-containing precipitate, and discharges from the feed opening, the discharged iron-containing precipitate falls into the receiving barrel 301 to be collected, and the iron-containing precipitate collecting convenience is increased.
Example III
Referring to fig. 9, a third embodiment of the present invention is shown.
In this embodiment, preferably, the right side of the reaction tank 100 is provided with the residual liquid cleaning member 400, through being provided with the residual liquid cleaning member 400, the upper solution discharged from the reaction tank 100 can be subjected to reaction treatment again, the deironing cleanliness degree in the antimony electrolyte is increased, the deironing stability and convenience of the antimony electrolyte are guaranteed, the residual liquid cleaning member 400 comprises a residual liquid collecting box 401 located on the right side of the reaction tank 100, a rotatable mixing shaft 402 is arranged in the residual liquid collecting box 401, the lower end of the mixing shaft 402 is provided with mixing blades 406 located in the residual liquid collecting box 401, the mixing blades 406 can stir and react the upper solution in the residual liquid collecting box 401 again along with the rotation of the mixing shaft 402, pulleys 403 are arranged between the upper end of the mixing shaft 402 and the stirring shaft 101, a driving belt 404 is arranged between two adjacent pulleys 403, the stirring shaft 101 can drive the mixing shaft 402 to rotate, the solution in the residual liquid collecting box 401 is conveniently mixed, a feed tube 405 is arranged at the top of the reaction tank 100, a feed tube 409 is arranged between the left side of the residual liquid collecting box 401 and the reaction tank 100, a feed tube 408 is arranged between the feed tube 405 and the residual liquid collecting box 401, and the feed tube 408 is provided with a valve 401, and the mixing shaft 402 is arranged between the feed tube and the upper surface of the mixing shaft 401 is increased, and the mixing shaft 402 is provided with stability.
In summary, when the reaction tank 100 is kept still, the upper solution enters the residual solution collecting box 401 through the liquid inlet pipe 408, then the valve on the liquid inlet pipe 408 is closed, the stirring shaft 101 rotates, the mixing shaft 101 rotates to drive the iron-containing precipitate at the bottom of the reaction tank 100 to stir and facilitate drying, the belt wheel 403 and the transmission belt 404 rotate to drive the mixing shaft 402 to synchronously rotate, the reducing agent in the liquid storage cylinder 409 is conveyed to the residual solution collecting box 401 through the feed pipe 405, the reducing agent reacts with the upper solution again along with the rotation of the mixing shaft 402, the treatment cleanliness of the upper solution is increased, and the iron removal cleanliness in the antimony electrolyte is improved.
Example IV
The equipment and the treatment mode in the embodiment 1, the embodiment 2 and the embodiment 3 can be used for obtaining the antimony-containing electrolyte extraction iron removal process, which comprises the following steps:
s1, feeding, namely firstly injecting a proper amount of reducing agent, namely potassium sulfite which reacts with iron in the antimony electrolyte, into a feeding barrel 202, then injecting the antimony electrolyte into the interior through a liquid injection pipe at the left side of a reaction tank 100, and mixing and stirring under the driving of a stirring shaft 101;
s2, batch discharging, namely driving a driving member 201 to work along with rotation of a stirring shaft 101, driving an elastic member 203 to elastically move up and down, driving a bearing plugging block 204 to move upwards and separate from an extension pipe 205, enabling a reducing agent in a feed barrel 202 to enter the extension pipe 205 to be fed into the reaction tank 100, mixing and reacting with antimony electrolyte to remove iron, when the bearing plugging block 204 plugs the extension pipe 205 downwards again, suspending feeding, and when continuous discharging is needed, driving the bearing plugging block 204 to move upwards and separate from the extension pipe 205 by utilizing an electric telescopic rod 2033, even if the driving member 201 works, the bearing plugging block 204 does not plug the extension pipe 205, and the reducing agent in the feed barrel 202 is convenient to continuously feed to the reaction tank 100;
S3, precipitation separation, namely after the reducing agent reacts with the antimony electrolyte, forming an iron-containing precipitate, stopping rotation of the stirring shaft 101, precipitating the iron-containing precipitate at the bottom of the reaction tank 100, and then enabling the upper liquid to enter the residual liquid collecting box 401 through the liquid inlet pipe 408 to separate the precipitate from the liquid;
S4, treating the residual liquid, namely enabling the reducing agent in the liquid storage cylinder 409 to enter the residual liquid collecting box 401 through the feed pipe 405, and rotating under the action of the mixing shaft 402, so that the reducing agent is mixed with the residual liquid, and the iron removal cleanliness of the antimony electrolyte is improved;
S5, heating and drying the iron-containing precipitate in the reaction tank 100 under the action of the heating member 300, and discharging the precipitate through a discharging opening and falling into the material receiving barrel 301 under the pushing of the rotating material pushing plate 304 for collection.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. Antimony-containing electrolyte extraction deironing equipment, including retort (100), retort (100) are including inside (101) stirring axle (101) that rotate the setting, its characterized in that: a feeding mechanism (200) is arranged between the top of the reaction tank (100) and the stirring shaft (101), the feeding mechanism (200) comprises a feed barrel (202) arranged at the top of the reaction tank (100), an extension material pipe (205) penetrating through the reaction tank (100) is arranged at the bottom of the feed barrel (202), a discharge hole (206) is formed in the circumferential surface of the lower end of the extension material pipe (205), a bearing material blocking block (204) is arranged at the upper pipe orifice of the extension material pipe (205), a driving member (201) for driving the bearing material blocking block (204) to move upwards is arranged between the stirring shaft (101) and the top of the feed barrel (202), and a material blocking ring (2034) positioned on the inner wall of the discharge hole (206) is arranged below the bearing material blocking block (204);
The driving member (201) comprises a supporting shaft (2013) rotationally connected with the stirring shaft (101), a gear-missing (2015) is arranged on the supporting shaft (2013), and a fixed rack (2014) for driving the bearing plugging block (204) to move is vertically meshed on the outer side of the gear-missing (2015);
An elastic member (203) is arranged between the inside of the feed barrel (202) and the bearing plugging block (204), the elastic member (203) comprises a telescopic pipe (2031) fixed on the inner surface of the upper end of the feed barrel (202), an electric telescopic rod (2033) is arranged at the lower end of the telescopic pipe (2031), and the lower end of the electric telescopic rod (2033) is connected with the upper surface of the bearing plugging block (204);
Elastic pieces (2032) are arranged outside the telescopic tube (2031) and the electric telescopic rod (2033);
The driving member (201) comprises a main bevel gear (2011) fixedly sleeved at the upper end of the stirring shaft (101), a secondary bevel gear (2012) is meshed with the outer side of the main bevel gear (2011), the secondary bevel gear (2012) is fixedly sleeved at the inner end of the supporting shaft (2013), and a stabilizing plate (2016) for supporting the supporting shaft (2013) is arranged on the upper surface of the feed barrel (202);
The telescopic pipe (2031) is characterized in that a guide post (208) which movably penetrates through the top of the feed barrel (202) is arranged at the upper end of the telescopic pipe (2031), a limiting plate (209) which is in contact with the feed barrel (202) is fixedly arranged on the guide post (208), and a telescopic shell (207) with two ends respectively fixed between the top of the guide post (208) and the upper surface of the feed barrel (202) is sleeved on the guide post (208).
2. The antimony-containing electrolyte extraction iron removal apparatus according to claim 1, wherein: the upper end and the lower end of the elastic piece (2032) are respectively fixed on the inner surface of the upper end of the feed barrel (202) and the upper surface of the bearing plugging block (204), and a connecting rod is arranged between the lower surface of the bearing plugging block (204) and the plugging ring (2034).
3. The antimony-containing electrolyte extraction iron removal apparatus according to claim 1, wherein: a plurality of feed openings have been seted up to retort (100) lower surface, retort (100) bottom is provided with heating component (300), heating component (300) are including installing heating pipe (302) between adjacent feed opening, heating pipe (302) both ends are fixed at mount (303) internal surface, heating component (300) still including fixed cover establish pushing plate (304) at (101) lower extreme, retort (100) below is provided with material receiving barrel (301).
4. The antimony-containing electrolyte extraction iron removal apparatus according to claim 3, wherein: the scraping plate (305) attached to the inner wall of the reaction tank (100) is vertically arranged at the outer end of the pushing plate (304), the blanking opening is internally provided with a blocking plate (306), a driving cylinder (307) is arranged at the center of the bottom of the reaction tank (100), and a connecting plate (308) is arranged between the lower end of a piston rod inside the driving cylinder (307) and the blocking plate (306).
5. The antimony-containing electrolyte extraction iron removal apparatus according to claim 1, wherein: the reaction tank is characterized in that a residual liquid cleaning member (400) is arranged on the right side of the reaction tank (100), the residual liquid cleaning member (400) comprises a residual liquid collecting box (401) arranged on the right side of the reaction tank (100), a rotatable mixing shaft (402) is arranged inside the residual liquid collecting box (401), mixing blades (406) arranged in the residual liquid collecting box (401) are arranged at the lower end of the mixing shaft (402), belt wheels (403) are arranged between the upper end of the mixing shaft (402) and the stirring shaft (101), and a driving belt (404) is arranged between every two adjacent belt wheels (403).
6. The antimony-containing electrolyte extraction iron removal apparatus according to claim 5, wherein: a liquid storage cylinder (409) arranged at the top of the reaction tank (100) and a feeding pipe (405) are arranged at the top of the residual liquid collecting box (401), a liquid inlet pipe (408) is arranged between the left side of the residual liquid collecting box (401) and the reaction tank (100), and a supporting frame (407) is arranged between the upper surface of the residual liquid collecting box (401) and the mixing shaft (402).
7. The process for removing iron by extracting the antimony-containing electrolyte is characterized by comprising the following steps of:
S1, feeding, namely injecting a proper amount of reducing agent into a feeding barrel (202), injecting antimony electrolyte into the reaction tank (100) through a liquid injection pipe at the left side of the reaction tank, and mixing and stirring under the drive of a stirring shaft (101);
S2, batch discharging, wherein the driving member (201) can be driven to work along with the rotation of the stirring shaft (101), the elastic member (203) is driven to elastically move up and down, the bearing plugging block (204) is driven to move upwards and separate from the extension pipe (205), the reducing agent in the feed barrel (202) enters the extension pipe (205) to be fed into the reaction tank (100), and is mixed with the antimony electrolyte to react for removing iron, and when the bearing plugging block (204) plugs the extension pipe (205) again downwards, the feeding is suspended;
S3, precipitation separation, namely after the reducing agent reacts with the antimony electrolyte, forming an iron-containing precipitate, stopping rotation of the stirring shaft (101), precipitating the iron-containing precipitate at the bottom of the reaction tank (100), and then enabling the upper liquid to enter a residual liquid collecting box (401) through a liquid inlet pipe (408) to separate the precipitate from the liquid;
s4, treating the residual liquid, namely enabling the reducing agent in the liquid storage cylinder (409) to enter the residual liquid collecting box (401) through the feed pipe (405), and rotating under the action of the mixing shaft (402) to mix the reducing agent with the residual liquid;
S5, heating and drying the iron-containing precipitate in the reaction tank (100) under the action of a heating component (300), and discharging the precipitate through a discharging opening and falling into a material receiving barrel (301) under the pushing of a rotating material pushing plate (304) for collection.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410507127.6A CN118109890A (en) | 2024-04-25 | 2024-04-25 | Equipment and process for extracting iron from antimony-containing electrolyte |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410507127.6A CN118109890A (en) | 2024-04-25 | 2024-04-25 | Equipment and process for extracting iron from antimony-containing electrolyte |
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| CN106498442A (en) * | 2016-11-02 | 2017-03-15 | 中南大学 | A kind of antimony electrolyte selectivity removes ferrum the method for preparing Ferrox. |
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