CN114797318B - Method and device for separating antimony and gold from pyrometallurgy of antimony - Google Patents
Method and device for separating antimony and gold from pyrometallurgy of antimony Download PDFInfo
- Publication number
- CN114797318B CN114797318B CN202210481618.9A CN202210481618A CN114797318B CN 114797318 B CN114797318 B CN 114797318B CN 202210481618 A CN202210481618 A CN 202210481618A CN 114797318 B CN114797318 B CN 114797318B
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- antimony
- tail gas
- filter
- box body
- smelting
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- 229910052787 antimony Inorganic materials 0.000 title claims abstract description 49
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 17
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 229910052737 gold Inorganic materials 0.000 title claims abstract description 16
- 239000010931 gold Substances 0.000 title claims abstract description 16
- 238000009853 pyrometallurgy Methods 0.000 title abstract description 8
- 238000003723 Smelting Methods 0.000 claims abstract description 50
- 238000001914 filtration Methods 0.000 claims abstract description 46
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 238000003756 stirring Methods 0.000 claims abstract description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 9
- 238000003860 storage Methods 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000012535 impurity Substances 0.000 claims abstract description 8
- 238000005192 partition Methods 0.000 claims abstract description 8
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052785 arsenic Inorganic materials 0.000 claims abstract description 7
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 7
- 239000011593 sulfur Substances 0.000 claims abstract description 7
- 229910052742 iron Inorganic materials 0.000 claims abstract description 6
- 239000011133 lead Substances 0.000 claims abstract description 6
- 230000000694 effects Effects 0.000 claims abstract description 5
- 238000009434 installation Methods 0.000 claims description 26
- 239000004744 fabric Substances 0.000 claims description 9
- 230000000712 assembly Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 8
- 230000009467 reduction Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 239000003814 drug Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000009298 carbon filtering Methods 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 238000007670 refining Methods 0.000 claims description 3
- YPMOSINXXHVZIL-UHFFFAOYSA-N sulfanylideneantimony Chemical compound [Sb]=S YPMOSINXXHVZIL-UHFFFAOYSA-N 0.000 claims description 3
- 238000005054 agglomeration Methods 0.000 claims 2
- 230000002776 aggregation Effects 0.000 claims 2
- -1 blast furnace (100) Chemical compound 0.000 claims 1
- 238000004891 communication Methods 0.000 claims 1
- 239000011550 stock solution Substances 0.000 claims 1
- 238000000746 purification Methods 0.000 abstract description 6
- 239000000126 substance Substances 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 32
- 239000000428 dust Substances 0.000 description 6
- 238000001802 infusion Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229910000410 antimony oxide Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- VTRUBDSFZJNXHI-UHFFFAOYSA-N oxoantimony Chemical compound [Sb]=O VTRUBDSFZJNXHI-UHFFFAOYSA-N 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229910052979 sodium sulfide Inorganic materials 0.000 description 1
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/30—Particle separators, e.g. dust precipitators, using loose filtering material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/88—Replacing filter elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a method and a device for separating antimony and gold in pyrometallurgy, which belong to the technical field of antimony smelting, and comprise a blast smelting furnace, wherein a primary tail gas treatment assembly and a secondary tail gas treatment assembly are connected behind an air outlet pipe of the blast smelting furnace, the primary tail gas treatment assembly comprises a first filtering box body, a chemical feeder, an air inlet pipe and an air outlet pipe are arranged on a top cover of the first filtering box body, and a liftable stirring plate assembly is arranged in the first filtering box body; the secondary tail gas treatment assembly comprises a second filter box body, wherein a roundabout filter channel is formed in the second filter box body through a plurality of layers of partition boards, a filter screen assembly is arranged in each layer of filter channel, the bottom of the second filter box body is provided with a liquid storage part, and the liquid storage part is filled with alkaline treatment liquid and provided with a water pump; the bottom of the second filter box is provided with an exhaust pipe, and an active carbon filter assembly is arranged on the exhaust pipe. According to the invention, the multi-stage tail gas treatment assembly is used for step-by-step treatment of the impurities such as arsenic, lead, iron, sulfur and the like in the tail gas, so that a more thorough purification effect is achieved.
Description
Technical Field
The invention relates to the technical field of antimony smelting, in particular to a method and a device for separating antimony and gold in pyrometallurgy of antimony.
Background
The production method of antimony mainly includes wet method and fire method. The wet antimony smelting includes alkali wet antimony smelting and acid wet antimony smelting, and has high metal recovering rate, high comprehensive utilization and less pollution. The preparation process of the fire antimony comprises the steps of volatilizing, roasting, reducing and smelting, namely reducing and smelting, and the antimony oxide produced by the two methods is subjected to reducing and smelting by a reverberatory furnace to produce crude antimony. The pyrometallurgy of antimony generally requires the use of blast furnace equipment in which the antimony is in the form of antimony oxide into a cloth bag and the gold is enriched with crude antimony into a pre-bed to obtain precious antimony.
As the smoke dust generated in the process of fire antimony smelting usually contains harmful impurities such as arsenic, lead, iron, sulfur and the like, the quality of the product is affected, the environment is polluted, and the human health is endangered.
The chinese patent with patent application number CN202120886288.2 discloses a fire antimony-smelting blast furnace blowing equipment, which comprises a fire antimony-smelting furnace body, wherein the top of the fire antimony-smelting furnace body is provided with a top cover, the bottom of the right side of the body is fixedly connected with a traction ring, the top of the left side of the body is fixedly connected with a liquid outlet, the top of the body is provided with a blast furnace body, the top of the blast furnace body is fixedly connected with an air inlet, the right side of the top cover top is fixedly connected with an air outlet pipe, and the bottom of the air outlet pipe is provided with a dust box. The device can realize filtering the flue gas that produces when smelting through the cooperation of play tuber pipe and dust collection box, dust guide ring, first filter screen, connecting pipe, joint ring that set up to collect the processing to the dust after the filtration.
However, the blast furnace equipment in the prior art is difficult to completely purify various harmful impurities in smoke dust respectively, and with the improvement of environmental protection standards, a common tail gas treatment device and the production and processing requirements of high standards are difficult to meet.
Disclosure of Invention
The invention aims to solve the problems and provide a method and a device for separating antimony and gold in the pyrometallurgy of antimony, and impurities such as arsenic, lead, iron, sulfur and the like in tail gas are treated step by step through a multi-stage tail gas treatment assembly, so that a more thorough purification effect is achieved.
In order to achieve the above purpose, the invention adopts the following technical scheme: the device for separating antimony and gold in the fire antimony smelting comprises a blast smelting furnace, wherein a primary tail gas treatment assembly and a secondary tail gas treatment assembly are connected behind an air outlet pipe of the blast smelting furnace, the device is characterized in that the primary tail gas treatment assembly comprises a first filter box body, a medicine feeder, an air inlet pipe and an air outlet pipe are arranged on a top cover of the first filter box body, a liftable stirring plate assembly is arranged in the first filter box body, a secondary tail gas treatment assembly is connected behind the air outlet pipe of the first filter box body, the secondary tail gas treatment assembly comprises a second filter box body, a roundabout filter channel is formed inside the second filter box body through a plurality of layers of partition boards, a filter screen assembly is arranged in each layer of filter channel, a supporting bottom plate is arranged at the bottom of the filter channel at the bottommost layer, the second filter box body is positioned below the supporting bottom plate, alkaline treatment liquid is contained in the liquid storage part and is provided with a water pump, the water pump is connected with a reflux hole of the top plate of the second filter box body through an infusion pipe, and the alkaline treatment liquid flows through the filter screen assembly from top to the bottom and returns to the liquid storage part; the bottom of the second filtering box body is provided with an exhaust pipe, and an active carbon filtering component is arranged on the exhaust pipe.
Further, the liftable stirring assembly comprises a supporting plate, a spring is arranged between the bottom of the supporting plate and the bottom plate of the first filtering box body, a vertical connecting column is arranged at the top of the supporting plate, the connecting column penetrates through a second connecting frame, and the second connecting frame is connected with the top wall of the first filtering box body; the top end of the connecting column is provided with a limit roller, a spiral plate is arranged above the limit roller, the spiral plate is arranged on a horizontally arranged main shaft, and the main shaft is driven by a motor on the outer side of the first filter box body.
Further, the whole spiral plate is of a gradually-reduced conical structure; the two ends of the second connecting frame are respectively provided with a first connecting rod and a second connecting rod, the tail ends of the first connecting rod and the second connecting rod are respectively provided with a push plate, the first connecting frame is sleeved on the first connecting rod and is connected with the top wall of the first filtering box body through a telescopic rod.
Further, through holes are formed in the supporting plate, a rotating shaft is arranged in an array mode in the supporting plate, and stirring blades are arranged at the top end of the rotating shaft.
Further, the air outlet pipeline is communicated with the filtering channel at the uppermost layer in the second filtering box body, and a fan is arranged on the air outlet pipeline; and the baffle is provided with backflow through holes corresponding to the backflow holes on the supporting bottom plate, the filter screen assemblies of all layers are arranged in a straight line in the vertical direction, and the filter screen assemblies of all layers are positioned at the backflow through holes on the baffle.
Further, the filter screen subassembly includes the filter screen, and both ends are spacing through last installing frame and lower installing frame respectively about the filter screen, and both ends are spacing through the side installing frame installation about the filter screen, the filter screen subassembly is spacing through the spacing groove that limiting plate formed on baffle or the supporting baseplate.
Further, the upper mounting frame and the lower mounting frame are respectively provided with a through hole and correspond to the positions of the reflow through holes of the partition plate.
Further, the active carbon filter component comprises a first installation frame, one side of the first installation frame is communicated with the exhaust pipe, a filter cloth bag is arranged in the first installation frame, the other side of the first installation frame is of an opening structure and is connected with a second installation frame, the other side of the second installation frame is communicated with the exhaust pipe, and an active carbon layer is arranged in the second installation frame.
Further, the exhaust pipe is connected with the first mounting frame through a corrugated pipe and a sealing bearing, and the tail gas exhaust pipe is connected with the second mounting frame through a corrugated pipe and a sealing bearing; one side of the second installation frame is in threaded connection with the opening end of the first installation frame through a connecting cylinder, and a filter screen plate is arranged at the port of the connecting cylinder; the activated carbon layer is installed by installing a drawer.
In addition, the invention also discloses an antimony smelting method adopting a device for separating antimony and gold in the pyrometallurgy of antimony, which comprises volatilization smelting and reduction smelting, and is characterized in that 30-50% of antimony sulfide ore or mixed ore is treated by adopting a blast smelting furnace in the volatilization smelting, and ore powder is firstly required to be agglomerated by a briquetting granulator; volatilizing smelting is carried out after the charging of the blast smelting furnace is completed, and impurities such as arsenic, sulfur, iron, lead and the like in the tail gas are removed sequentially through a primary tail gas treatment assembly and a secondary tail gas treatment assembly; and (3) carrying out reduction smelting on the material subjected to the volatilization smelting, and finally refining to obtain refined antimony.
The invention has the beneficial effects that:
1. In order to solve the problems that the content of arsenic in the tail gas is more and the filtering is difficult to thoroughly and effectively performed through the conventional filter screen impurities, the invention adds sodium sulfide solution into the first filter tank through the chemical feeder, and combines a liftable supporting plate and a push plate which can be pushed left and right to form a stirring assembly, so that the tail gas is fully reacted and purified, wherein an air duct can be arranged at the lower end of an air inlet pipe of the first filter tank, and the tail gas enters the bottom of the first filter tank.
Because the backup pad passes through the spring and links to each other with first filtration box bottom plate, backup pad upper portion is provided with the spliced pole, and the cover is equipped with the second installation frame on the spliced pole, and second installation frame one side is connected with first connecting rod, and the cover is equipped with first installation frame on the first connecting rod, and first installation frame passes through the telescopic link and links to each other with first filtration box roof. The main shaft is driven to rotate by the motor, the main shaft drives the spiral plate to rotate, and the spiral plate is matched with the limit roller to drive the connecting column to move in the left lower or right upper direction, so that the supporting plate is driven to synchronously displace to realize stirring operation; when the spiral plate drives the connecting column to displace with the second connecting frame, the second connecting frame drives the first connecting rod and the second connecting rod to push left and right, and then the push plate is driven to stir. Therefore, multidirectional stirring operation in the first filtering box body is realized, and the supporting plate can play a role in blocking the gas rising from bottom to top, so that the reaction time of the gas and the solution is prolonged.
2. In order to effectively remove sulfur-containing harmful substances in tail gas, the purification device is convenient to detach and replace simultaneously, purification strength is guaranteed, a plurality of layers of partition plates are arranged in the second filter box body to form a circuitous filter channel, filter screen assemblies are arranged in each layer of filter channel through limiting grooves, meanwhile, solution in a liquid storage part at the bottom of the second filter box body is extracted from the filter screen assemblies at the topmost layer to be sprayed downwards through a water pump, purification solution is adhered to each layer of filter screen all the time, and tail gas is filtered for a plurality of times through the circuitous filter channel. Because the solution on the filter screen is continuously replenished and updated, the filtering capacity of each layer of filter screen is not reduced too fast, and the filter screen assembly is of a structure which can be conveniently extracted, disassembled and replaced, so that overlong downtime is avoided, and the continuous operation of the work is ensured.
3. In order to carry out the safe discharge to the environment after the purification of higher degree with gas, through set up active carbon filtration subassembly at tail gas calandria front end, it includes first erection frame and second erection frame, both realize threaded connection through the connecting cylinder, consequently the filter screen plate of the connecting cylinder port department of second erection frame can screw in gradually in first erection frame, thereby compress the filtration sack in the first erection frame, can pack into filtering material such as sponge or silica gel granule in the filtration sack, when the filter cloth sack is compressed, the clearance is reduced, make air filtration's speed slow down, lengthen filterable time, strengthen the effect of filtration, adapt to different operating mode demands, filtration sack and the active carbon layer through drawer type installation all can conveniently take out the change simultaneously.
Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
FIG. 2 is a schematic diagram of the overall structure of the primary exhaust treatment assembly of the present invention.
Fig. 3 is a schematic view of the internal structure of the first filtering case of the present invention.
Fig. 4 is a schematic structural view of the spiral plate of the present invention.
Fig. 5 is a schematic structural view of the support plate of the present invention.
Fig. 6 is a schematic view of the internal structure of the second filtering case of the present invention.
Fig. 7 is a schematic view of the installation of the filter screen assembly of the present invention.
Fig. 8 is a schematic view of the installation of the filter screen of the present invention.
Fig. 9 is a schematic structural view of the activated carbon filter assembly of the present invention.
The text labels in the figures are expressed as: 100. blast smelting furnace; 200. a primary tail gas treatment assembly; 300. a secondary tail gas treatment assembly; 1. an air inlet; 2. an air outlet pipe; 3. an air inlet pipe; 4. a first filter box; 5. a top cover; 6. a drug feeder; 7. a motor; 8. An air outlet pipe; 9. a main shaft; 10. a spiral plate; 11. a telescopic rod; 12. a push plate; 13. a first connection frame; 14. a first link; 15. a second connection frame; 16. a second link; 17. a roller mounting frame; 18. limiting idler wheels; 19. a support plate; 20. a connecting column; 21. a rotating shaft; 22. An elastic sheet; 23. stirring blades; 24. a blower; 25. a second filter box; 26. a partition plate; 27. a filtration channel; 28. a support base plate; 29. a filter screen; 30. a reflow hole; 31. an upper mounting frame; 32. a lower mounting frame; 33. a limiting plate; 34. a liquid storage part; 35. a water pump; 36. An infusion tube; 37. an activated carbon filter assembly; 38. an exhaust pipe; 39. a bellows; 40. a first mounting frame; 41. a second mounting frame; 42. filtering the cloth bag; 43. a connecting cylinder; 44. installing a drawer; 45. an activated carbon layer; 46. a filter screen plate; 47. a side mounting frame; 48. tail gas discharge pipes.
Detailed Description
The invention is further illustrated by the following examples.
The device for separating antimony and gold in the fire antimony comprises a blast smelting furnace 100, wherein a primary tail gas treatment assembly 200 and a secondary tail gas treatment assembly 300 are connected behind an air outlet pipe 2 of the blast smelting furnace 100, the primary tail gas treatment assembly 200 comprises a first filter box body 4, a top cover 5 of the first filter box body 4 is provided with a medicine feeder 6, an air inlet pipe 3 and an air outlet pipeline 8, a lifting stirring plate assembly is arranged in the first filter box body 4, the air outlet pipeline 8 of the first filter box body 4 is connected with the secondary tail gas treatment assembly 300, the secondary tail gas treatment assembly 300 comprises a second filter box body 25, a roundabout filter channel 27 is formed inside the second filter box body 25 through a plurality of layers of partition plates 26, a filter screen assembly is arranged in each layer of filter channel 27, the bottom of the filter channel 27 at the bottommost layer is provided with a supporting bottom plate 28, the second filter box body 25 is positioned below the supporting bottom plate 28 and is provided with a liquid storage part 34, the liquid storage part 34 is filled with alkaline treatment liquid, the water pump 35 is connected with a reflux hole 30 of the second filter box body 25 through an infusion pipeline 36, and the alkaline treatment liquid flows from the upper part to the lower part of the filter screen assembly 34; the bottom of the second filtering box 25 is provided with an exhaust pipe 38, and the exhaust pipe 38 is provided with an activated carbon filtering component 37.
Preferably, referring to fig. 3,4 and 5, the liftable stirring assembly includes a supporting plate 19, a spring is disposed between the bottom of the supporting plate 19 and the bottom plate of the first filtering box 4, a vertical connecting column 20 is disposed at the top of the supporting plate 19, the connecting column 20 penetrates through the second connecting frame 15, and the second connecting frame 15 is connected with the top wall of the first filtering box 4; the top of the connecting column 20 is provided with a limit roller 18, a spiral plate 10 is arranged above the limit roller 18, the spiral plate 10 is arranged on a horizontally arranged main shaft 9, and the main shaft 9 is driven by a motor 7 outside the first filter box body 4. The whole spiral plate 10 is of a gradually-reduced conical structure; the two ends of the second connecting frame 15 are respectively provided with a first connecting rod 14 and a second connecting rod 16, the tail ends of the first connecting rod 14 and the second connecting rod 16 are respectively provided with a push plate 12, the first connecting frame 13 is sleeved on the first connecting rod 14, and the first connecting frame 13 is connected with the top wall of the first filtering box body 4 through the telescopic rod 11. Through holes are formed in the supporting plate 19, a rotating shaft 21 is arranged on the supporting plate 19 in an array mode, and stirring blades 23 are arranged at the top end of the rotating shaft 21.
Preferably, as shown in fig. 6, 7 and 8, the air outlet channel 8 is communicated with the uppermost filtering channel 27 in the second filtering box 25, and the air outlet channel 8 is provided with a fan 24; the baffle 26 is provided with a backflow through hole corresponding to the backflow hole 30 on the supporting bottom plate 28, the filter screen assemblies of each layer are arranged in a straight line in the vertical direction, and the filter screen assemblies of each layer are all positioned at the backflow through hole on the baffle 26. The filter screen assembly comprises a filter screen 29, the upper end and the lower end of the filter screen 29 are respectively limited through an upper mounting frame 31 and a lower mounting frame 32, the left end and the right end of the filter screen 29 are subjected to limiting mounting through a side mounting frame 47, and the filter screen assembly is limited through a limiting groove formed by a baffle 26 or a limiting plate 33 on a supporting bottom plate 28. The upper mounting frame 31 and the lower mounting frame 32 are provided with through holes corresponding to the positions of the reflow through holes of the partition 26.
The filter screen subassembly is installed for the spacing groove that forms through limiting plate 33, can conveniently extract and dismantle the change, avoids the time of stopping of overlength, guarantees going on continuously of work.
Preferably, referring to fig. 6 and 9, the activated carbon filter assembly 37 includes a first mounting frame 40, one side of the first mounting frame 40 is communicated with the exhaust pipe 38, a filter cloth bag is disposed in the first mounting frame 40, the other side of the first mounting frame 40 is of an open structure and is connected with a second mounting frame 41, the other side of the second mounting frame 41 is communicated with the exhaust pipe 48, and an activated carbon layer is disposed in the second mounting frame 41. The exhaust pipe 38 is connected with the first mounting frame 40 through a corrugated pipe 39 and a sealing bearing, and the exhaust pipe 48 is connected with the second mounting frame 41 through the corrugated pipe 39 and the sealing bearing; one side of the second mounting frame 41 is in threaded connection with the opening end of the first mounting frame 40 through a connecting cylinder 43, and a filter screen plate 46 is arranged at the port of the connecting cylinder 43; the activated carbon layer is installed by installing drawers 44.
The active carbon filter component comprises a first mounting frame 40 and a second mounting frame 41, the first mounting frame 40 and the second mounting frame 41 are in threaded connection through a connecting cylinder 43, the first mounting frame 40 and the exhaust pipe 38 are connected through a corrugated pipe 39 and a bearing, the second mounting frame 41 and the exhaust pipe 48 are connected through the corrugated pipe 39 and the bearing, and rotatable mounting of the first mounting frame 40 and the second mounting frame 41 is achieved. When the filter screen plate 46 at the end of the connecting cylinder 43 of the second mounting frame 41 is gradually screwed into the first mounting frame 40, so that the filter cloth bag 42 in the first mounting frame 40 is compressed, and the filter cloth bag 42 can be filled with filter substances such as sponge or silica gel particles, and when the filter cloth bag 42 is compressed, the gap is reduced, so that the air filtering speed is reduced, the filtering time is prolonged, the filtering effect is enhanced, and different working condition requirements can be met.
In addition, the invention also discloses an antimony smelting method adopting a device for separating antimony and gold in the pyrometallurgy of antimony, which comprises volatilization smelting and reduction smelting, and is characterized in that 30-50% of antimony sulfide ore or mixed ore is treated by adopting a blast smelting furnace 100 in the volatilization smelting, and ore powder is firstly required to be agglomerated by a briquetting granulator; volatilizing smelting is carried out after the charging of the blast smelting furnace 100 is completed, and impurities such as arsenic, sulfur, iron, lead and the like in the tail gas are removed sequentially through the primary tail gas treatment assembly 200 and the secondary tail gas treatment assembly 300; and (3) carrying out reduction smelting on the material subjected to the volatilization smelting, and finally refining to obtain refined antimony.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The principles and embodiments of the present invention have been described herein and the above examples have been presented only to assist in understanding the method of the present invention and its core ideas; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in accordance with the ideas of the present invention, the present description should not be construed as limiting the present invention in view of the above.
Claims (7)
1. The utility model provides a device for separating antimony and gold in fire smelting antimony, including blast furnace (100), connect one-level tail gas treatment subassembly (200) and second grade tail gas treatment subassembly (300) behind air-out pipe (2) of blast furnace (100), a serial communication port, one-level tail gas treatment subassembly (200) include first filter box (4), be provided with on top cap (5) of first filter box (4) with medicine feeder (6), intake pipe (3) and pipeline (8) of giving vent to anger, be provided with liftable stirring board subassembly in first filter box (4), second grade tail gas treatment subassembly (300) are connected behind pipeline (8) of giving vent to anger of first filter box (4), second grade tail gas treatment subassembly (300) include second filter box (25), filter box (25) are inside to form circuitous filtration passageway (27) through multilayer baffle (26), be provided with the subassembly in each layer filtration passageway (27), filtration passageway (27) bottom of the bottom is provided with support stock solution (28), second filter box (25) are located support bottom plate (28) below (28) and are for water pump (35) are contained in the filtration portion (35) of water pump (35) that are connected with water pump (35),
The alkaline treatment liquid flows through the filter screen assembly from top to bottom and flows back to the liquid storage part (34); an exhaust pipe (38) is arranged at the bottom of the second filtering box body (25), and an active carbon filtering component (37) is arranged on the exhaust pipe (38); the liftable stirring assembly comprises a supporting plate (19), a spring is arranged between the bottom of the supporting plate (19) and the bottom plate of the first filtering box body (4), a vertical connecting column (20) is arranged at the top of the supporting plate (19), the connecting column (20) penetrates through the second connecting frame (15), and the second connecting frame (15) is connected with the top wall of the first filtering box body (4); the top end of the connecting column (20) is provided with a limit roller (18), a spiral plate (10) is arranged above the limit roller (18), the spiral plate (10) is arranged on a horizontally arranged main shaft (9), and the main shaft (9) is driven by a motor (7) outside the first filter box body (4); the air outlet pipeline (8) is communicated with a filtering channel (27) at the uppermost layer in the second filtering box body (25), and a fan (24) is arranged on the air outlet pipeline (8); the baffle plate (26) is provided with a backflow through hole corresponding to the backflow hole (30) on the supporting bottom plate (28), the filter screen assemblies of all layers are arranged in a straight line in the vertical direction, and all the filter screen assemblies of all layers are positioned at the backflow through hole on the baffle plate (26); the active carbon filter assembly (37) comprises a first installation frame (40), one side of the first installation frame (40) is communicated with the exhaust pipe (38), a filter cloth bag is arranged in the first installation frame (40), the other side of the first installation frame (40) is of an opening structure and is connected with a second installation frame (41), the other side of the second installation frame (41) is communicated with the exhaust pipe (48), and an active carbon layer is arranged in the second installation frame (41).
2. The device for separating antimony and gold from pyrometallurgical antimony according to claim 1, wherein the spiral plate
(10) The whole body is a tapered structure which is gradually reduced; the two ends of the second connecting frame (15) are respectively provided with a first connecting rod (14) and a first connecting rod
The tail ends of the two connecting rods (16), the first connecting rod (14) and the second connecting rod (16) are provided with push plates (12), and the first connecting rod (14)
The upper sleeve is provided with a first connecting frame (13), and the first connecting frame (13) is connected with the top wall of the first filtering box body (4) through a telescopic rod (11).
3. The device for separating antimony and gold from pyrometallurgical antimony according to claim 1, wherein the support plate
(19) Through holes are formed in the support plate (19), a rotating shaft (21) is arranged on the support plate (19) in an array mode, and stirring blades (23) are arranged at the top end of the rotating shaft (21).
4. The device for separating antimony and gold from pyrometallurgical antimony according to claim 1, wherein the filter screen
The assembly comprises a filter screen (29), and the upper end and the lower end of the filter screen (29) are respectively limited by an upper mounting frame (31) and a lower mounting frame (32)
The left end and the right end of the filter screen (29) are subjected to limit installation through side installation frames (47), and the filter screen assembly is provided with a partition plate (26)
Or limiting grooves formed by limiting plates (33) on the supporting bottom plate (28) are used for limiting.
5. The device for separating antimony and gold from pyrometallurgical antimony according to claim 4, wherein the upper mounting device is provided with
The frame (31) and the lower mounting frame (32) are respectively provided with a through hole corresponding to the position of the reflow through hole of the baffle plate (26).
6. The device for separating antimony and gold from pyrometallurgical antimony according to claim 1, wherein the exhaust pipe
(38) Is connected with the first mounting frame (40) through a corrugated pipe (39) and a sealing bearing, and the tail gas exhaust pipe (48) is connected with the second mounting frame
The frames (41) are connected through a corrugated pipe (39) and a sealing bearing; one side of the second mounting frame (41) is connected with the cylinder (43)
The filter screen plate (46) is arranged at the port of the connecting cylinder (43); the activity is that of
The carbon layer is installed by installing drawers (44).
7. The antimony smelting method adopting the fire antimony smelting device according to any one of claims 1-6, comprising volatilization smelting and reduction smelting, wherein the volatilization smelting adopts a blast smelting furnace (100) to treat 30% -50% antimony sulfide ore, and ore powder is firstly subjected to agglomeration through an agglomeration granulator; volatilizing and smelting after the charging of the blast smelting furnace (100) is completed, and sequentially removing arsenic, sulfur, iron and lead impurities in the tail gas through a primary tail gas treatment assembly (200) and a secondary tail gas treatment assembly (300); and (3) carrying out reduction smelting on the material subjected to the volatilization smelting, and finally refining to obtain refined antimony.
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| CN202210481618.9A CN114797318B (en) | 2022-05-05 | 2022-05-05 | Method and device for separating antimony and gold from pyrometallurgy of antimony |
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| CN202210481618.9A CN114797318B (en) | 2022-05-05 | 2022-05-05 | Method and device for separating antimony and gold from pyrometallurgy of antimony |
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| CN114797318A (en) | 2022-07-29 |
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