CN218202986U - Separation device for metal arsenic in low-sulfur high-arsenic metal ore - Google Patents
Separation device for metal arsenic in low-sulfur high-arsenic metal ore Download PDFInfo
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- CN218202986U CN218202986U CN202222698930.1U CN202222698930U CN218202986U CN 218202986 U CN218202986 U CN 218202986U CN 202222698930 U CN202222698930 U CN 202222698930U CN 218202986 U CN218202986 U CN 218202986U
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Abstract
A separation device for metal arsenic in low-sulfur high-arsenic metal ores comprises a raw ore crushing and grinding system, a raw ore leaching and separating system, a leached slag briquetting system, a roasting furnace, a slag crushing and grinding system and a slag leaching and separating system. The utility model discloses separator separates effectually, obtains to smelt metal material and retrieves arsenate, and the process is brief briefly, and processing cost is low, and no three wastes produce, is suitable for the industrial production.
Description
Technical Field
The utility model relates to a separator of metal arsenic, concretely relates to separator of metal arsenic in low sulphur high arsenic metal ore deposit.
Background
The low-sulfur high-arsenic metal ore comprises low-sulfur high-arsenic antimony ore (10-60% of Sb, 10-35% of As and less than 3% of S), low-sulfur high-arsenic nickel ore (6-15% of Ni, 10-20% of As and less than 3% of S) and the like. Among them, the low-sulfur high-arsenic antimony ore has large reserves and yield in China, so the antimony metallurgy production is concerned.
The reserves and the output of antimony resources are at the top of the world in China, and at present, the process of adding alkali to remove arsenic is indispensable in antimony metallurgy production no matter adopting a pyrogenic process or a wet process. In the pyrometallurgical process adopted in 95% antimony smelting production in China, antimony oxide containing arsenic is produced from antimony ore by the pyrometallurgical process, the antimony oxide enters a reverberatory furnace to be reduced into crude antimony, arsenic remains in the crude antimony, soda or sodium hydroxide is usually added for dearsenization in the refining process of the crude antimony, the crude antimony is converted into refined antimony, the arsenic is converted into solid waste containing arsenic in the antimony smelting process, namely arsenic alkali slag, the arsenic alkali slag contains arsenic, antimony and alkali, is hazardous waste, and is difficult to treat. The existing arsenic removal technology can only be used for smelting arsenic removal on antimony ore containing low arsenic content, for example, the arsenic-antimony ratio is 1-10%, which is suitable, and for arsenic-antimony ore containing high arsenic content, for example, the arsenic-antimony ratio is more than 10%, and some arsenic-antimony ore can reach 100%, the existing technology can not be used for arsenic removal, because the arsenic removal cost is extremely high, the loss of antimony is also high, and simultaneously, a large amount of arsenic-alkali slag containing arsenic can be generated. The existing arsenic alkali residue treatment technology has a plurality of problems: the recovery technology has great difficulty, either a large amount of arsenic-containing waste water or a large amount of waste residues are generated, the recovered alkali is not pure, the utilization is inconvenient, and the like.
Along with the continuous extension of the mining time of antimony ore, antimony resources are less and less, especially good antimony resources (low-arsenic, low-lead and other antimony ore) are almost exhausted, however, the application field of antimony is continuously maintained and has a tendency of expansion, for example, the usage amount of sodium antimonate as a clarifying agent in photovoltaic glass is increased greatly at home and abroad recently. Therefore, the research on the treatment technology of the high-arsenic antimony ore begins, but the technology for separating antimony and arsenic from the low-sulfur high-arsenic antimony ore is still immature, so that a separation device for separating metal arsenic from the low-sulfur high-arsenic antimony ore, which has the advantages of good separation effect, short process, low treatment cost, no generation of three wastes, short process, low treatment cost and suitability for industrial production, is urgently needed to be found.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that, overcome the above-mentioned defect that prior art exists, provide a separation effect good, obtain can smelt metal feedstock and retrieve arsenate, the process is brief briefly, and the processing cost is low, and no three wastes produce, is suitable for the separator of metal arsenic in the low-sulfur high arsenic metal ore of industrial production.
The utility model provides a technical scheme that its technical problem adopted as follows: a separation device for metal arsenic in low-sulfur and high-arsenic metal ores comprises a raw ore crushing and grinding system, a raw ore leaching and separating system, a leached slag briquetting system, a roasting furnace, a slag crushing and grinding system and a slag leaching and separating system;
in the crude ore crushing and grinding system, a discharge hole of a No. 1 crusher is connected with a feed inlet of a No. 1 fine grinding machine, and a discharge hole of the No. 1 fine grinding machine is connected with a feed inlet of an alkaline leaching tank in the crude ore leaching and separating system; a feeding hole is formed in the No. 1 crusher;
in the raw ore leaching and separating system, a discharge hole of an alkaline leaching tank is connected with a feed inlet of a No. 1 centrifugal machine, and a discharge hole of the No. 1 centrifugal machine is connected with a feed inlet of a mixer in the leached slag briquetting system;
in the leached slag briquetting system, a discharge port of a mixer is connected with a feed port of a briquetting machine, a discharge port of the briquetting machine is connected with a feed port of the roasting furnace, and a discharge port of the roasting furnace is connected with a feed port of a No. 2 crusher in the slag crushing and grinding system;
in the slag crushing and grinding system, a discharge hole of a No. 2 crusher is connected with a feed inlet of a No. 2 fine grinding machine, and a discharge hole of the No. 2 fine grinding machine is connected with a feed inlet of a slag leaching tank in the slag leaching and separating system;
in the slag leaching and separating system, a discharge hole of a slag leaching tank is connected with a feed inlet of a No. 2 centrifugal machine; and a discharge port is arranged on the 2# centrifugal machine.
The utility model discloses separator's working process does: sending low-sulfur high-arsenic metal ore into a No. 1 crusher for crushing, then sending the crushed ore into a No. 1 fine grinding machine for fine grinding to obtain raw material powder, adding the raw material powder, alkali (such as sodium hydroxide) and an auxiliary agent into an alkaline leaching tank for alkaline leaching reaction, after leaching, carrying out centrifugal filtration through a No. 1 centrifugal machine to obtain alkaline leaching slag and a sodium arsenate solution, wherein the alkaline leaching slag and the auxiliary agent are sent into a mixer for uniform mixing, then sending into a briquetting machine for briquetting to obtain lump material, sending the lump material into a roasting furnace for roasting to obtain slag, sending the slag into a No. 2 crusher for crushing, then sending into a No. 2 fine grinding machine for grinding into powder, sending the slag which is ground into a slag leaching tank for leaching, after leaching, sending a mixed solution into a No. 2 centrifugal machine for centrifugal filtration to obtain a metal-containing material and a sodium arsenate solution, wherein the metal-containing material is enriched with metal raw materials such as antimony, nickel and the like, and can directly enter an existing smelting system for smelting.
The utility model discloses separator is fit for handling low sulfur high arsenic antimony ore, and its principal ingredients's mass fraction is: 10-60% of Sb, 10-35% of As and less than 3% of S, or high arsenic nickel ore, wherein the mass fraction of the main components is As follows: 6 to 15 percent of Ni, 10 to 20 percent of As and less than 3 percent of S.
Preferably, the separation device is also provided with a lye absorption tower. The alkali liquor absorption tower is a packing tower made of corrosion-resistant plastics and is provided with an absorption liquid tank and a circulating pump.
Preferably, the exhaust port at the top of the roasting furnace is connected with the air inlet at the bottom of the alkali liquor absorption tower.
Preferably, the top of the lye absorption tower is provided with an exhaust port.
Preferably, an absorption liquid discharge port at the bottom of the alkali liquor absorption tower is connected with a liquid inlet of an alkaline leaching tank in the crude ore leaching and separating system.
The working process when the alkali liquor absorption tower is equipped is as follows: introducing sulfur-containing flue gas discharged from an exhaust port at the top of the roasting furnace from an air inlet at the bottom of the alkali liquor absorption tower, spraying and absorbing by alkali liquor, and returning absorption liquid to the alkaline leaching tank for use from an absorption liquid discharge port at the bottom of the alkali liquor absorption tower.
Preferably, an arsenate solution evaporation system is further arranged in the separation device.
Preferably, in the raw ore leaching and separating system, a liquid outlet of a 1# centrifuge is connected with a liquid inlet of a 1# intermediate tank, the liquid outlet of the 1# intermediate tank is respectively connected with a liquid inlet of a 2# intermediate tank through a 1# delivery pump and a liquid outlet of a 2# centrifuge, and the liquid outlet of the 2# intermediate tank is connected with a tube side liquid inlet of a preheater in an arsenate solution evaporation system through a 2# delivery pump.
Preferably, in the arsenate solution evaporation system, a tube side liquid outlet of the preheater is connected with a tube side liquid inlet of the heater, the tube side liquid outlet of the heater is connected with a liquid inlet in the middle of the evaporator, a discharge port at the bottom of the evaporator is connected with a feed port of a 3# centrifugal machine, and a discharge port is arranged on the 3# centrifugal machine.
Preferably, a liquid outlet of the 3# centrifuge is connected with a liquid inlet of a 3# intermediate tank, and a liquid outlet of the 3# intermediate tank is connected with a liquid inlet of an alkaline leaching tank in the crude ore leaching and separating system through a 3# delivery pump.
Preferably, a steam exhaust port at the top of the evaporator is connected with a shell-side steam inlet at the lower part of the heater through a compressor, a shell-side steam exhaust port at the upper part of the heater is connected with a shell-side steam inlet of the preheater, and a shell-side condensed water drain port of the preheater is connected with a liquid inlet of an alkaline leaching tank in the raw ore leaching and separating system and/or a liquid inlet of a slag leaching tank in the slag leaching and separating system.
The working process when the arsenate solution evaporation system is equipped is as follows: sending a sodium arsenate solution obtained by centrifugal filtration of a No. 1 centrifugal machine into a No. 1 intermediate tank for storage, sending the sodium arsenate solution obtained by centrifugal filtration of the No. 1 centrifugal machine and the No. 2 centrifugal machine into a No. 2 intermediate tank for storage, sending the sodium arsenate solution into a pipe pass liquid inlet of a preheater for preheating through a No. 2 delivery pump, sending the sodium arsenate solution into a pipe pass liquid inlet of a heater for heating after preheating, finally sending the sodium arsenate solution into a liquid inlet in the middle of an evaporator for evaporation concentration, discharging a concentrated solution generated by evaporation through a discharge hole in the bottom of the evaporator, sending the concentrated solution into a No. 3 centrifugal machine, and centrifuging to obtain a sodium arsenate product and a filtrate; the filtrate is sent into a 3# intermediate tank for storage, and then the filtrate is returned to the alkaline leaching tank for use through a 3# delivery pump; and after being compressed by a compressor, steam discharged from a steam exhaust port at the top of the evaporator is introduced from a shell-side steam inlet at the lower part of the heater, discharged from a shell-side steam exhaust port at the upper part of the heater, introduced into a shell-side steam inlet of the preheater, and finally condensed water is discharged from a shell-side condensed water outlet of the preheater and returned to the alkaline leaching tank and/or the slag leaching tank for use.
Preferably, the crusher is a jaw crusher or a hammer crusher.
Preferably, the fine mill is a Raymond mill or a ball mill.
Preferably, the alkaline leaching tank and the slag leaching tank are made of stainless steel or corrosion/temperature resistant plastic materials, and are matched with a stirring shaft and a speed reduction stirring device, and discharge ports of the alkaline leaching tank and the slag leaching tank are ball valves. And the alkaline leaching tank and the slag leaching tank can be also provided with an observation hole.
Preferably, the centrifuge is made of stainless steel materials, and the hanging bag is loaded and unloaded.
Preferably, the mixer is a steel bedroom or vertical round barrel or concrete mixer.
Preferably, the briquetting machine is a honeycomb briquette briquetting machine. The briquetting machine adopts hydraulic pressure or mechanical pressure to press the briquettes into cylinders (phi 120mm multiplied by 100 mm) or cuboids (120 mm multiplied by 100 mm).
Preferably, the roasting furnace is a reverberatory furnace, an orbital kiln or a rotary kiln.
Preferably, the intermediate tank is made of corrosion/temperature resistant plastic.
Preferably, the delivery pump is a corrosion-resistant pneumatic diaphragm pump or a centrifugal pump.
Preferably, the arsenate solution evaporation system is an MVR evaporation system and is made of stainless steel.
The utility model has the advantages as follows:
(1) The utility model discloses the metal arsenic in low sulphur high arsenic metal ore of separator can effectively separate, make arsenic and metal ratio in the high arsenic metal ore reduce to below 10% by 20-100%, reach the required arsenic of normal metal smelting and compare the within range with the metal, the obtained materials such as containing metallic antimony, nickel can get into current metal smelting system smoothly and smelt;
(2) The arsenic metal separation process of the separation device of the utility model is directly started from raw ore powder, the process is short, the treatment cost is low, no three wastes are generated, especially, a large amount of dangerous and large arsenic alkaline residues which are difficult to treat are not generated, arsenic is converted into arsenate after being separated from metal, and the arsenic metal separation device can be used as an antiseptic, a glass clarifying agent and the like and is suitable for industrial production.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the device for separating antimony and arsenic from low-sulfur high-arsenic antimony ore of the present invention.
Detailed Description
The present invention will be further explained with reference to the following examples and drawings.
Example (b):
as shown in fig. 1, a separation device for antimony and arsenic in low-sulfur high-arsenic antimony ore comprises a raw ore crushing and grinding system 1, a raw ore leaching and separating system 2, a leached slag briquetting system 3, a track kiln 4, a slag crushing and grinding system 5 and a slag leaching and separating system 6;
in the crude ore crushing and grinding system 1, a discharge port 1-1-2 of a 1# jaw crusher 1-1 is connected with a feed port 1-2-1 of a 1# Raymond mill 1-2, and a discharge port 1-2-2 of the 1# Raymond mill 1-2 is connected with a feed port 2-1-1 of an alkaline leaching tank 2-1 in the crude ore leaching and separating system 2; a feed inlet 1-1-1 is arranged on the 1# jaw crusher 1-1;
in the raw ore leaching and separating system 2, a discharge port 2-1-2 of an alkaline leaching tank 2-1 is connected with a feed port 2-2-1 of a No. 1 centrifuge 2-2, and a discharge port 2-2-2 of the No. 1 centrifuge 2-2 is connected with a feed port 3-1-1 of a concrete mixer 3-1 in the leaching residue briquetting system 3;
in the leached slag briquetting system 3, a discharge port 3-1-2 of a concrete mixer 3-1 is connected with a feed port 3-2-1 of a honeycomb briquette briquetting machine 3-2, a discharge port 3-2-2 of the honeycomb briquette briquetting machine 3-2 is connected with a feed port 4-1 of a track kiln 4, and a discharge port 4-2 of the track kiln 4 is connected with a feed port 5-1-1 of a 2# jaw crusher 5-1 in a slag crushing and grinding system 5;
in the slag crushing and grinding system 5, a discharge port 5-1-2 of a 2# jaw crusher 5-1 is connected with a feed port 5-2-1 of a 2# Raymond mill 5-2, and a discharge port 5-2-2 of the 2# Raymond mill 5-2 is connected with a feed port 6-1-1 of a slag leaching tank 6-1 in a slag leaching and separating system 6;
in the slag leaching and separating system 6, a discharge hole 6-1-2 of a slag leaching tank 6-1 is connected with a feed hole 6-2-1 of a 2# centrifuge 6-2; the 2# centrifuge 6-2 is provided with a discharge port 6-2-2.
An alkali liquor absorption tower 7 is also arranged in the separation device; the alkali liquor absorption tower 7 is a packing tower made of corrosion-resistant plastics and is provided with an absorption liquid tank and a circulating pump; an exhaust port 4-3 at the top of the track kiln 4 is connected with an air inlet 7-1 at the bottom of an alkali liquor absorption tower 7; the top of the alkali liquor absorption tower 7 is provided with an exhaust port 7-2; and an absorption liquid discharge port 7-3 at the bottom of the alkali liquor absorption tower 7 is connected with a liquid inlet 2-1-3 of an alkaline leaching tank 2-1 in the crude ore leaching and separating system 2.
An MVR arsenate solution evaporation system 8 is also arranged in the separation device; in the raw ore leaching and separating system 2, a liquid outlet 2-2-3 of a No. 1 centrifugal machine 2-2 is connected with a liquid inlet 2-3-1 of a No. 1 intermediate tank 2-3, the liquid outlet 2-3-2 of the No. 1 intermediate tank 2-3 is respectively connected with a liquid inlet 6-3-1 of a No. 2 intermediate tank 6-3 through a No. 1 centrifugal pump 2-4 and a liquid outlet 6-2-3 of a No. 2 centrifugal machine 6-2, and the liquid outlet 6-3-2 of the No. 2 intermediate tank 6-3 is connected with a pipe pass liquid inlet 8-1-1 of an MVR preheater 8-1 in an MVR arsenate solution evaporation system 8 through a No. 2 centrifugal pump 6-4; in the MVR arsenate solution evaporation system 8, a tube pass liquid outlet 8-1-2 of an MVR preheater 8-1 is connected with a tube pass liquid inlet 8-2-1 of an MVR heater 8-2, a tube pass liquid outlet 8-2-2 of the MVR heater 8-2 is connected with a liquid inlet 8-3-1 in the middle of an MVR evaporator 8-3, a discharge port 8-3-2 at the bottom of the MVR evaporator 8-3 is connected with a feed port 8-4-1 of a 3# centrifuge 8-4, and a discharge port 8-4-2 is arranged on the 3# centrifuge 8-4; a liquid outlet 8-4-3 of the 3# centrifuge 8-4 is connected with a liquid inlet 8-5-1 of a 3# intermediate tank 8-5, and a liquid outlet 8-5-2 of the 3# intermediate tank 8-5 is connected with a liquid inlet 2-1-3 of an alkaline leaching tank 2-1 in the raw ore leaching and separating system 2 through a 3# pneumatic diaphragm pump 8-6; the steam exhaust port 8-3-3 at the top of the MVR evaporator 8-3 is connected with a shell side steam inlet 8-2-3 at the lower part of the MVR heater 8-2 through a compressor 8-7, the shell side steam exhaust port 8-2-4 at the upper part of the MVR heater 8-2 is connected with a shell side steam inlet 8-1-3 of the MVR heater 8-1, and a shell side condensed water drainage port 8-1-4 of the MVR heater 8-1 is connected with a liquid inlet 2-1-3 of an alkaline leaching tank 2-1 in the raw ore leaching and separating system 2 and a liquid inlet 6-1-3 of a slag leaching tank 6-1 in the slag leaching and separating system 6.
The alkaline leaching tank 2-1 and the slag leaching tank 6-1 are made of stainless steel materials and are provided with stirring shafts and speed reduction stirring devices, and discharge ports of the alkaline leaching tank 2-1 and the slag leaching tank 6-1 are ball valves; the alkaline leaching tank 2-1 and the slag leaching tank 6-1 are also provided with an observation hole; the 1#, 2#, 3# centrifuges 2-2, 6-2 and 8-4 are made of stainless steel materials, and the lifting bags are used for loading and unloading materials; the 1#, 2#, 3# intermediate tanks 2-3, 6-3 and 8-5 are all made of corrosion-resistant/temperature-resistant plastics; the MVR arsenate solution evaporation system 8 is made of stainless steel.
The utility model discloses separator's working process does: feeding low-sulfur high-arsenic antimony ore (the mass fraction of the main components is 40% of Sb, 25% of As and less than 3%) into a 1# jaw crusher 1-1 for crushing, then feeding the crushed ore into a 1# Raymond mill 1-2 for fine grinding to obtain raw material powder, adding the raw material powder, sodium hydroxide and an auxiliary agent into an alkaline leaching tank 2-1 for alkaline leaching reaction, after leaching, carrying out centrifugal filtration through a 1# centrifuge 2-2 to obtain alkaline leaching slag and a sodium arsenate solution, wherein the alkaline leaching slag and the auxiliary agent are fed into a concrete mixer 3-1 for uniform mixing, then fed into a honeycomb briquette briquetting machine 3-2 for hydraulic briquetting to obtain briquettes (cylinder: phi 120mm multiplied by 100 mm), then feeding the briquettes into an orbit kiln 4 for roasting to obtain furnace slag, feeding the furnace slag into a 2# jaw crusher 5-1 for crushing, then feeding the furnace slag into a 2# Raymond mill 5-2 for grinding into powder, feeding the pulverized furnace slag into a leaching tank 6-1 for leaching, and feeding the furnace slag into a 2# Raymond mill 5-2 for filtering, and directly feeding the antimony-containing mixed solution into an existing smelting system for leaching;
introducing sulfur-containing flue gas exhausted from an exhaust port 4-3 at the top of the track kiln 4 from an air inlet 7-1 at the bottom of an alkali liquor absorption tower 7, spraying and absorbing by alkali liquor, and returning absorption liquid to an alkaline leaching tank 2-1 for use from an absorption liquid discharge port 7-3 at the bottom of the alkali liquor absorption tower 7;
sending a sodium arsenate solution obtained by centrifugal filtration of a # 1 centrifugal machine 2-2 into a # 1 intermediate tank 2-3 for storage, sending the sodium arsenate solution obtained by centrifugal filtration of the # 1 centrifugal machine 2-4 and a # 2 centrifugal machine 6-2 into a # 2 intermediate tank 6-3 for storage, sending the sodium arsenate solution from a tube pass liquid inlet 8-1-1 of an MVR preheater 8-1 through the # 2 centrifugal machine 6-4 for preheating, sending the sodium arsenate solution from a tube pass liquid inlet 8-2-1 of the MVR heater 8-2 for heating after preheating, sending the sodium arsenate solution from a liquid inlet 8-3-1 in the middle of the MVR evaporator 8-3 for evaporation and concentration, discharging a concentrated solution generated by evaporation through a discharge port 8-3-2 at the bottom of the MVR evaporator 8-3, sending the concentrated solution into a # 3 centrifugal machine 8-4, and obtaining a sodium arsenate product and a filtrate through centrifugation; the filtrate is sent to a No. 3 intermediate tank 8-5 for storage, and then the filtrate is returned to the alkaline leaching tank 2-1 for use through a No. 3 pneumatic diaphragm pump 8-6; and after being compressed by a compressor 8-7, steam discharged from a steam exhaust port 8-3-3 at the top of the MVR evaporator 8-3 is introduced from a shell side steam inlet 8-2-3 at the lower part of the MVR heater 8-2, discharged from a shell side steam exhaust port 8-2-4 at the upper part of the MVR heater 8-2, introduced into a shell side steam inlet 8-1-3 of the MVR preheater 8-1, and finally condensed water is discharged from a shell side condensed water discharge port 8-1-4 of the MVR preheater 8-1 and returned to the alkaline leaching tank 2-1 and the slag leaching tank 6-1 for use.
Claims (5)
1. The utility model provides a separator of metal arsenic in low sulphur high arsenic metal ore which characterized in that: the system comprises a raw ore crushing and grinding system, a raw ore leaching and separating system, a leached slag briquetting system, a roasting furnace, a slag crushing and grinding system and a slag leaching and separating system;
in the crude ore crushing and grinding system, a discharge hole of a No. 1 crusher is connected with a feed inlet of a No. 1 fine grinding machine, and a discharge hole of the No. 1 fine grinding machine is connected with a feed inlet of an alkaline leaching tank in the crude ore leaching and separating system; a feeding hole is formed in the No. 1 crusher;
in the raw ore leaching and separating system, a discharge hole of an alkaline leaching tank is connected with a feed inlet of a No. 1 centrifugal machine, and a discharge hole of the No. 1 centrifugal machine is connected with a feed inlet of a mixer in the leached slag briquetting system;
in the leaching slag briquetting system, a discharge port of a mixer is connected with a feed port of a briquetting machine, a discharge port of the briquetting machine is connected with a feed port of a roasting furnace, and a discharge port of the roasting furnace is connected with a feed port of a No. 2 crusher in the slag crushing and grinding system;
in the slag crushing and grinding system, a discharge hole of a No. 2 crusher is connected with a feed inlet of a No. 2 fine grinding machine, and a discharge hole of the No. 2 fine grinding machine is connected with a feed inlet of a slag leaching tank in the slag leaching and separating system;
in the slag leaching and separating system, a discharge hole of a slag leaching tank is connected with a feed inlet of a No. 2 centrifugal machine; and a discharge port is arranged on the 2# centrifugal machine.
2. The apparatus for separating metallic arsenic from low-sulfur high-arsenic metallic ore according to claim 1, wherein: an alkali liquor absorption tower is also arranged in the separation device; an exhaust port at the top of the roasting furnace is connected with an air inlet at the bottom of the alkali liquor absorption tower; an exhaust port is arranged at the top of the alkali liquor absorption tower; and an absorption liquid discharge port at the bottom of the alkali liquid absorption tower is connected with a liquid inlet of an alkaline leaching tank in the crude ore leaching and separating system.
3. The apparatus for separating metallic arsenic from low-sulfur high-arsenic metallic ores according to claim 1 or 2, wherein: an arsenate solution evaporation system is also arranged in the separation device; in the raw ore leaching and separating system, a liquid outlet of a No. 1 centrifugal machine is connected with a liquid inlet of a No. 1 intermediate tank, the liquid outlet of the No. 1 intermediate tank is respectively connected with a liquid inlet of a No. 2 intermediate tank through a No. 1 delivery pump and a liquid outlet of a No. 2 centrifugal machine, and the liquid outlet of the No. 2 intermediate tank is connected with a tube side liquid inlet of a preheater in an arsenate solution evaporation system through a No. 2 delivery pump; in the arsenate solution evaporation system, a tube side liquid outlet of a preheater is connected with a tube side liquid inlet of a heater, the tube side liquid outlet of the heater is connected with a liquid inlet in the middle of an evaporator, a discharge port at the bottom of the evaporator is connected with a feed port of a 3# centrifugal machine, and the 3# centrifugal machine is provided with a discharge port.
4. The apparatus for separating metallic arsenic from low-sulfur high-arsenic metallic ore according to claim 3, wherein: a liquid outlet of the 3# centrifugal machine is connected with a liquid inlet of a 3# middle tank, and a liquid outlet of the 3# middle tank is connected with a liquid inlet of an alkaline leaching tank in the crude ore leaching and separating system through a 3# delivery pump; the steam exhaust port at the top of the evaporator is connected with the shell-side steam inlet at the lower part of the heater through a compressor, the shell-side steam exhaust port at the upper part of the heater is connected with the shell-side steam inlet of the preheater, and the shell-side condensed water drain outlet of the preheater is connected with the liquid inlet of the alkaline leaching tank in the raw ore leaching and separating system and/or the liquid inlet of the slag leaching tank in the slag leaching and separating system.
5. The apparatus for separating metallic arsenic from low-sulfur high-arsenic metallic ores according to claim 1 or 2, wherein: the crusher is a jaw crusher or a hammer crusher; the fine grinding machine is a Raymond mill or a ball mill; the alkaline leaching tank and the slag leaching tank are made of stainless steel or corrosion/temperature resistant plastic materials and are matched with a stirring shaft and a speed reduction stirring device, and discharge ports of the alkaline leaching tank and the slag leaching tank are ball valves; the centrifuge is made of stainless steel materials, and the hanging bag is loaded and unloaded; the mixer is a steel bedroom or vertical round barrel or a concrete mixer; the briquetting machine is a honeycomb briquette briquetting machine; the roasting furnace is a reverberatory furnace, a track kiln or a rotary kiln.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222698930.1U CN218202986U (en) | 2022-10-13 | 2022-10-13 | Separation device for metal arsenic in low-sulfur high-arsenic metal ore |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222698930.1U CN218202986U (en) | 2022-10-13 | 2022-10-13 | Separation device for metal arsenic in low-sulfur high-arsenic metal ore |
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| Publication Number | Publication Date |
|---|---|
| CN218202986U true CN218202986U (en) | 2023-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222698930.1U Active CN218202986U (en) | 2022-10-13 | 2022-10-13 | Separation device for metal arsenic in low-sulfur high-arsenic metal ore |
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2022
- 2022-10-13 CN CN202222698930.1U patent/CN218202986U/en active Active
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