CN210104038U - Lead-containing flue dust pretreatment device - Google Patents
Lead-containing flue dust pretreatment device Download PDFInfo
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- CN210104038U CN210104038U CN201920554145.4U CN201920554145U CN210104038U CN 210104038 U CN210104038 U CN 210104038U CN 201920554145 U CN201920554145 U CN 201920554145U CN 210104038 U CN210104038 U CN 210104038U
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Abstract
A lead-containing flue ash pretreatment device is characterized in that an acid mixing machine is fixedly arranged in the middle of a pretreatment device box body, and a sulfuric acid temporary storage tank, a flue ash temporary storage tank and a thickening agent temporary storage tank are fixedly arranged on a base at the top end of the pretreatment device box body; the temporary sulfuric acid storage tank is connected with the upper end of the acid mixing machine through a sulfuric acid discharge pipeline; the flue dust temporary storage tank is connected with the upper end of the acid mixing machine through a flue dust discharge pipeline; the temporary storage tank of the viscous agent is connected with the upper end of the acid mixing machine through a discharge pipeline of the viscous agent; the acid mixer comprises a box body and a stirrer arranged in the box body, a flue ash acid-mixing stirring motor is arranged below the acid mixer, an output shaft of the flue ash acid-mixing stirring motor is connected with a stirrer central shaft of the stirrer, a discharge port of the acid mixer is also arranged at one side of the acid mixer, a pneumatic discharge valve matched with the discharge port of the acid mixer is arranged at the discharge port of the acid mixer, and the outer side of the pneumatic discharge valve is connected with the output end of a pneumatic pump; the purposes of saving energy and reducing consumption are achieved, and the smoke dust rate in the subsequent smelting process is reduced.
Description
Technical Field
The utility model relates to a smelt flue ash preprocessing device technical field, in particular to contain lead flue ash preprocessing device.
Background
In the prior secondary lead smelting industry, in the process of smelting lead-containing materials, flue dust collected by a flue dust collection system mainly exists in the forms of lead oxide, lead dioxide and lead sulfide according to the determination that the lead content of the flue dust collected by the flue dust collection system is 65%, and other metals enter the flue dust in the form of sulfides, such as: copper sulfide, tin sulfide, zinc sulfide, antimony sulfide, and the like; in the same industry at the present stage, collected flue dust and waste lead materials are put into a smelting furnace together by a flue dust collection system for smelting again for secondary utilization, but the method does not consider the problems that lead sulfide and other sulfide metals in the flue dust have high melting point in the smelting process, are not easy to reduce, are easy to produce flue dust again and the like, and even when the dust collection technology does not meet the requirements, lead dust and lead fog can be produced, so that secondary pollution is caused to the environment; and the recovery rate of lead and other precious metals is low, and the smoke rate is high. However, the capacity of treating the waste lead-acid storage battery by domestic regenerated lead enterprises exceeds 1000 ten thousand tons per year, about 100 ten thousand tons of flue dust are derived every year, and the capacity of the regenerated lead industry is rapidly increased, so the problems need to be solved urgently.
Disclosure of Invention
An object of the utility model is to overcome the above-mentioned not enough of prior art and provide a contain lead flue ash preprocessing device, reduced the melting point of follow-up cigarette ash principal ingredients of smelting in-process, realize energy saving and consumption reduction's purpose to the smoke and dust rate of follow-up smelting process has been reduced.
The technical scheme of the utility model is that: the utility model provides a contain lead flue ash preprocessing device which characterized in that: a sulfuric acid temporary storage tank, a flue ash temporary storage tank and a thickening agent temporary storage tank are fixedly arranged on a base at the top end of the pretreatment device box body; the temporary sulfuric acid storage tank is connected with the upper end of the acid mixing machine through a sulfuric acid discharge pipeline, and a sulfuric acid discharge control valve is arranged on the sulfuric acid discharge pipeline; the flue ash temporary storage tank is connected with the upper end of the acid mixing machine through a flue ash discharge pipeline; the temporary storage tank of the viscous agent is connected with the upper end of the acid mixing machine through a viscous agent discharge pipeline, and the viscous agent discharge pipeline is also provided with a viscous agent discharge control valve; mix sour machine and include a box and set up in the inside agitator of box, mix sour machine upper end and be equipped with sealed lid, sealed covering be provided with sulphuric acid ejection of compact pipeline, flue ash ejection of compact pipeline, viscous agent ejection of compact pipeline assorted through-hole, mix sour machine below and install flue ash and mix sour agitator motor, flue ash mixes sour agitator motor output shaft and the agitator central axis of agitator and is connected, mixes sour machine one side and still is provided with and mixes sour machine discharge gate, mix sour machine discharge gate department and be provided with and mix the pneumatic bleeder valve of sour machine discharge gate assorted, the pneumatic bleeder valve outside is connected with the pneumatic pump output.
The central shaft sleeve is sleeved on the central shaft of the stirrer, a plurality of stirring rods are uniformly connected to the periphery of the central shaft sleeve, the tail ends of the stirring rods are connected with the central shaft sleeve, and the top ends of the stirring rods point to the acid mixing machine shell of the acid mixing machine.
The periphery of the central shaft sleeve is uniformly connected with 6 stirring rods.
The mixing acid mixing machine is characterized in that a first blade connecting shaft is vertically connected below the top end of the mixing rod, an outer ring inclined blade is connected at the bottom end of the first blade connecting shaft, a second blade connecting shaft is vertically connected below the middle of the mixing rod, an inner ring inclined blade is connected at the bottom end of the second blade connecting shaft, the outer ring inclined blade, the inner ring inclined blade and the mixing rod are arranged in an inclined mode, the inclined angles of the outer ring inclined blade and the inner ring inclined blade are the same, the inclined angles of the outer ring inclined blade, the inner ring inclined blade and the mixing rod are α, the bottoms of the outer ring inclined blade and the inner ring inclined blade are also arranged in an inclined mode, the included angles of the outer ring inclined blade, the inner ring inclined blade and the bottom of the mixing acid machine are theta, and the lengths of the.
The inclination angles α between the outer ring inclined blades and the inner ring inclined blades and the stirring rod are 10-20 degrees;the included angle theta between the outer ring inclined blades and the inner ring inclined blades and the bottom of the acid mixer is 25-35 degrees; the second blade connecting shaft is arranged on the stirring rod
At least one of (1) and (b); the lengths of the outer ring inclined blades and the inner ring inclined blades are the same; the length of the outer ring inclined blades and the length of the inner ring inclined blades are 13-17 cm.
The inclination angle α between the outer ring inclined blades and the inner ring inclined blades and the stirring rod is 15 degrees, the included angle theta between the outer ring inclined blades and the bottom of the acid mixer is 30 degrees, and the lengths of the outer ring inclined blades and the inner ring inclined blades are 15 cm.
The jar is kept in to sulphuric acid jar, flue ash, viscous agent jar of keeping in is cylindrical jar, and the jar is kept in to sulphuric acid jar, flue ash jar, viscous agent jar of keeping in is PE plastics material, flue ash jar cross-section bottom of keeping in is trapezoidal, just trapezoidal last base is greater than trapezoidal lower base.
The acid mixer is a stainless steel cylindrical box body, the discharge port of the acid mixer is arc-shaped, and the inner side surface of the pneumatic discharge valve is arc-shaped and matched with the discharge port of the acid mixer; the central part of the sealing cover is also provided with a through hole matched with the central shaft of the stirrer, the top of the central shaft of the stirrer penetrates through the upper end of the through hole at the central part of the sealing cover to be fixed through a nut, and the lower end of the central shaft of the stirrer is fixedly connected with the output shaft of the flue ash mixed acid stirring motor.
Four corners of the bottom of the box body of the pretreatment device are respectively provided with a bottom supporting leg.
Still include one and be used for controlling sulphuric acid ejection of compact control valve, viscous agent ejection of compact control valve, flue ash mix sour agitator motor mix sour control cabinet, sulphuric acid ejection of compact control valve, viscous agent ejection of compact control valve, flue ash mix sour agitator motor and mix sour control cabinet electric connection, sulphuric acid ejection of compact control valve, viscous agent ejection of compact control valve are electric flow control valve.
The beneficial effects of the utility model reside in that:
1. according to the content difference of lead sulfide, tin sulfide and the like in flue dust, the unit dosage of sulfuric acid is adjusted, sulfuric acid and a thickening agent are added into the flue dust according to a certain proportion and a certain flow rate in the stirring process of the flue dust, a viscous paste is formed through full reaction, and then the viscous paste is conveyed to a granulator through a discharge port for granulation; the process of converting the flue dust from powder into large particles is realized, and the smoke dust rate in the subsequent smelting process is reduced.
2. The mixing of flue dust and sulfuric acid is realized, the conversion from sulfide to sulfate is completed in a mixer, the melting point of main components of the flue dust in the subsequent smelting process is reduced, and the purposes of energy conservation and consumption reduction are realized.
3. The temporary storage tank that adopts all has the scale, and sulphuric acid ejection of compact control valve, viscous agent ejection of compact control valve all adopt the electronic flow control valve that has the flowmeter, the flow that can real-time control is reinforced, the accurate batching of experiment compounding process.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the inside of the acid mixer of the present invention;
FIG. 3 is a schematic view of a part of the structure of the stirrer of the present invention;
FIG. 4 is a side view of the first blade connecting shaft in connection with the outer ring of angled blades;
in the figure: 1. a pretreatment device box body, 2, an acid mixer discharge port, 3, an acid mixer, 3-1, a stirrer, 3-2, an outer ring inclined blade, 3-3, an acid mixer shell, 3-4, an inner ring inclined blade, 3-5, a central shaft sleeve, 3-6, a pneumatic pump, 3-7, a pneumatic discharge valve, 3-8, a second blade connecting shaft, 3-9, a first blade connecting shaft, 3-10, a nut, 4, a sulfuric acid discharge control valve, 5, a sulfuric acid discharge pipeline, 6, a flue ash discharge pipeline, 7, a sulfuric acid temporary storage tank, 8, a flue ash temporary storage tank, 9, a viscous agent temporary storage tank, 10, a viscous agent discharge pipeline, 11, a top end base, 12, a viscous agent discharge control valve, 13, an acid mixer control electric cabinet, 14, a flue ash acid mixing stirring motor, 14-1 and a stirrer central shaft, 15. bottom support foot, 16, sealed lid.
Detailed Description
The technical solution in the embodiments of the present invention will now be clearly and completely described with reference to the accompanying drawings, which are simplified schematic drawings and only schematically illustrate the basic structure of the present invention.
As shown in figure 1, the utility model discloses a preprocessing device box 1, preprocessing device box 1 middle level is fixed with mixes sour machine 3, the upper strata is fixed with sulphuric acid temporary storage tank 7, flue ash temporary storage tank 8 and dope agent temporary storage tank 9, connect in mixing sour machine 3 through sulphuric acid ejection of compact pipeline 5, flue ash unloading pipeline 6 and dope agent ejection of compact pipeline 10 respectively, be provided with sulphuric acid ejection of compact control valve 4 on the sulphuric acid ejection of compact pipeline 5, still be provided with dope agent ejection of compact control valve 12 on the dope agent ejection of compact pipeline 10, mix sour machine 3 includes a box and sets up in the inside agitator 3-1 of box, mix sour machine 3 upper end and be equipped with sealed lid 16, be provided with on sealed lid 16 with sulphuric acid ejection of compact pipeline 5, flue ash ejection of compact pipeline 6, dope agent ejection of compact pipeline 10 assorted through-hole, the flue ash is installed and is mixed sour agitator motor 14 below mixing sour machine 3, flue ash is mixed sour agitator motor 14 output shaft and agitator center pin 14-1 of agitator 3-1 are connected A discharge port 2 of the acid mixer is also arranged on one side of the acid mixer 3, a pneumatic discharge valve 3-7 matched with the discharge port 2 of the acid mixer is arranged at the discharge port 2 of the acid mixer, the outer side of the pneumatic discharge valve 3-7 is connected with the output end of a pneumatic pump 3-6, flue dust subjected to acid mixing and stirring is discharged onto a conveying belt below the outer side of the discharge port 2 of the acid mixer through the discharge port 2 of the acid mixer, and the flue dust is conveyed to a granulator through the conveying belt; the acid mixer 3 is totally closed, and the material of the acid mixer 3 is stainless steel and is resistant to acid corrosion; the sulfuric acid temporary storage tank 7, the flue ash temporary storage tank 8 and the thickening agent temporary storage tank 9 are all PE plastic cylindrical tanks, the bottom of the section of the flue ash temporary storage tank 8 is trapezoid, the upper bottom edge of the trapezoid is larger than the lower bottom edge of the trapezoid, and the sulfuric acid temporary storage tank 7 and the thickening agent temporary storage tank 9 are provided with scales; the center of the sealing cover 16 is also provided with a through hole matched with the central shaft 14-1 of the stirrer, the central shaft 14-1 of the stirrer penetrates through the upper end of the through hole in the center of the sealing cover 16 and is fixed through a nut 3-10, and the lower end of the through hole is fixedly connected with an output shaft of a flue ash mixed acid stirring motor 14.
The device also comprises an acid mixer control electric cabinet 13 for controlling the sulfuric acid discharge control valve 4, the viscous agent discharge control valve 12 and the flue ash mixed acid stirring motor 14, wherein the sulfuric acid discharge control valve 4, the viscous agent discharge control valve 12, the flue ash mixed acid stirring motor 14 and the acid mixer control electric cabinet 13 are electrically connected; the sulfuric acid discharge control valve 4 and the viscous agent discharge control valve 12 are electric flow regulating valves.
As shown in the figure 2-3, the utility model discloses, a central shaft sleeve 3-5 is sleeved on a central shaft 14-1 of a stirrer, 6 stirring rods are evenly connected on the periphery of the central shaft sleeve 3-5, the tail ends of the stirring rods are connected with the central shaft sleeve 3-5, the top ends of the stirring rods point to a mixing machine shell 3-3 of the mixing machine 3, a first blade connecting shaft 3-9 is vertically connected below the top ends of the stirring rods, an outer ring inclined blade 3-2 is connected at the bottom end of the first blade connecting shaft 3-9, a second blade connecting shaft 3-8 is vertically connected below the middle part of the stirring rods, an inner ring inclined blade 3-4 is connected at the bottom end of the second blade connecting shaft 3-8, the outer ring inclined blade 3-2, the inner ring inclined blade 3-4 and the stirring rods are obliquely arranged, the inclination angles of the outer ring inclined blade 3-2 and the inner ring inclined blade 3-4 and the mixing rods are the same, the inclination angles of the outer ring inclined blade 3-2 and the inner ring inclined blade 3-4 and the mixing rods are α, the inclination angles of the outer ring inclined blade 3-2, the inner ring inclined blade 3-4 and the mixing rod 3-364 and the mixing rod are 20-35%, the inclination angles of the stirring rods are more than 35%, the inclination angles of the
At least one of (1) and (b); the lengths of the outer ring inclined blades 3-2 and the inner ring inclined blades 3-4 are the same, the lengths of the outer ring inclined blades 3-2 and the inner ring inclined blades 3-4 are 13-17cm, and further, the lengths of the outer ring inclined blades 3-2 and the inner ring inclined blades 3-4 are 15 cm.
As shown in fig. 4, the outer ring inclined blades 3-2, the inner ring inclined blades 3-4 and the bottom of the acid mixer 3 are also arranged in an inclined manner, and the included angles between the outer ring inclined blades 3-2, the inner ring inclined blades 3-4 and the bottom of the acid mixer 3 are theta; the included angle theta between the outer ring inclined blades 3-2 and the inner ring inclined blades 3-4 and the bottom of the acid mixer 3 is 25-35 degrees, and further the included angle theta is 30 degrees; the setting of 30 contained angles of contained angle theta can make the material flow direction discharge gate 2 at the agitator during operation, accelerates the ejection of compact speed of material, and then reduces production time, can improve production efficiency 20%.
In the actual use process, weighing the flue dust needing to be mixed with acid, adding the weighed flue dust into a flue dust temporary storage tank, starting a stirrer 3-1 in an acid mixing machine 3, and adding the flue dust into the acid mixing machine 3 through a flue dust discharging pipeline 6; adjusting the flow rates of the sulfuric acid discharge control valve 4 and the viscous agent discharge control valve 12 in unit time according to theoretical batching requirements, adding sulfuric acid and the viscous agent into the acid mixing machine 3 through the sulfuric acid discharge pipeline 5 and the viscous agent discharge pipeline 10, adjusting the frequency of a flue ash mixed acid stirring motor 14, starting a pneumatic pump 3-6 after flue ash materials in the acid mixing machine 3 completely react with sulfuric acid, driving a pneumatic discharge valve 3-7 to retreat through the pneumatic pump 3-6, opening a discharge port 2 of the acid mixing machine, enabling pasty flue ash after acid mixing to pass through the discharge port 2 of the acid mixing machine through continuous stirring of a stirrer 3-1, discharging the pasty flue ash onto a belt below the discharge port 2 of the acid mixing machine, and then conveying the pasty flue ash to a granulator to finish granulation work.
Claims (10)
1. The utility model provides a contain lead flue ash preprocessing device which characterized in that: the acid mixing machine (3) is fixedly arranged in the middle of the pretreatment device box body (1), and a sulfuric acid temporary storage tank (7), a flue ash temporary storage tank (8) and a viscous agent temporary storage tank (9) are fixedly arranged on a top base (11) of the pretreatment device box body (1); the temporary sulfuric acid storage tank (7) is connected with the upper end of the acid mixing machine (3) through a sulfuric acid discharge pipeline (5), and a sulfuric acid discharge control valve (4) is arranged on the sulfuric acid discharge pipeline (5); the temporary flue ash storage tank (8) is connected with the upper end of the acid mixer (3) through a flue ash discharge pipeline (6); the temporary storage tank (9) of the viscous agent is connected with the upper end of the acid mixing machine (3) through a viscous agent discharge pipeline (10), and a viscous agent discharge control valve (12) is further arranged on the viscous agent discharge pipeline (10); the acid mixer (3) comprises a box body and a stirrer (3-1) arranged in the box body, a sealing cover (16) is arranged at the upper end of the acid mixing machine (3), a through hole matched with the sulfuric acid discharge pipeline (5), the flue ash discharge pipeline (6) and the viscous agent discharge pipeline (10) is arranged on the sealing cover (16), a flue ash acid mixing stirring motor (14) is arranged below the acid mixing machine (3), an output shaft of the flue ash mixed acid stirring motor (14) is connected with a stirrer central shaft (14-1) of the stirrer (3-1), one side of the mixed acid machine (3) is also provided with a discharge hole (2) of the mixed acid machine, a pneumatic discharge valve (3-7) matched with the discharge port (2) of the acid mixer is arranged at the discharge port (2) of the acid mixer, the outer side of the pneumatic discharge valve (3-7) is connected with the output end of the pneumatic pump (3-6).
2. The lead-containing flue dust pretreatment device according to claim 1, characterized in that: a central shaft sleeve (3-5) is sleeved on the central shaft (14-1) of the stirrer, a plurality of stirring rods are uniformly connected to the periphery of the central shaft sleeve (3-5), the tail ends of the stirring rods are connected with the central shaft sleeve (3-5), and the top ends of the stirring rods point to an acid mixing machine shell (3-3) of the acid mixing machine (3).
3. The lead-containing flue dust pretreatment device according to claim 2, wherein: the periphery of the central shaft sleeve (3-5) is uniformly connected with 6 stirring rods.
4. The pretreatment device for the lead-containing flue dust according to claim 2, characterized in that a first blade connecting shaft (3-9) is vertically connected below the top end of the stirring rod, an outer ring inclined blade (3-2) is connected to the bottom end of the first blade connecting shaft (3-9), a second blade connecting shaft (3-8) is vertically connected below the middle part of the stirring rod, an inner ring inclined blade (3-4) is connected to the bottom end of the second blade connecting shaft (3-8), the outer ring inclined blade (3-2), the inner ring inclined blade (3-4) and the stirring rod are arranged in an inclined manner, the inclined angles of the outer ring inclined blade (3-2) and the inner ring inclined blade (3-4) and the stirring rod are α, the outer ring inclined blade (3-2), the inner ring inclined blade (3-4) and the bottom of the acid mixer (3) are also arranged in an inclined manner, the outer ring inclined blade (3-2), the inner ring inclined blade (3-4) and the bottom of the acid mixer (3-4) are arranged in an inclined manner, and the inclined angle of the outer ring inclined blade (3-2) and the inner ring inclined blade (3-4) is equal to the length of the.
5. The device for pretreating lead-containing flue dust according to claim 4, wherein the inclination angle α between the outer ring inclined blades (3-2) and the inner ring inclined blades (3-4) and the stirring rod is 10-20 degrees, the included angle theta between the outer ring inclined blades (3-2) and the inner ring inclined blades (3-4) and the bottom of the acid mixer (3) is 25-35 degrees, and the second blade connecting shaft (3-8) is arranged on the stirring rod
At least one of (1) and (b); the lengths of the outer ring inclined blades (3-2) and the inner ring inclined blades (3-4) are 13-17 cm.
6. The device for pretreating lead-containing flue dust according to claim 4, wherein the inclination angle α between the outer ring inclined blades (3-2) and the inner ring inclined blades (3-4) and the stirring rod is 15 degrees, the included angle theta between the outer ring inclined blades (3-2) and the inner ring inclined blades (3-4) and the bottom of the acid mixer (3) is 30 degrees, and the blade lengths of the outer ring inclined blades (3-2) and the inner ring inclined blades (3-4) are 15 cm.
7. The lead-containing flue dust pretreatment device according to claim 1, characterized in that: the sulfuric acid temporary storage tank (7), the flue ash temporary storage tank (8) and the viscous agent temporary storage tank (9) are all cylindrical tanks, and the sulfuric acid temporary storage tank (7), the flue ash temporary storage tank (8) and the viscous agent temporary storage tank (9) are all made of PE plastic materials; the bottom of the section of the temporary flue ash storage tank (8) is trapezoidal, and the upper bottom edge of the trapezoid is larger than the lower bottom edge of the trapezoid.
8. The lead-containing flue dust pretreatment device according to claim 1, characterized in that: the acid mixer (3) is a stainless steel cylindrical box body, the discharge port (2) of the acid mixer is arc-shaped, and the inner side surface of the pneumatic discharge valve (3-7) is arc-shaped and matched with the discharge port (2) of the acid mixer; the center of the sealing cover (16) is also provided with a through hole matched with a stirrer central shaft (14-1), the top of the stirrer central shaft (14-1) penetrates through the upper end of the through hole in the center of the sealing cover (16) and is fixed through a nut (3-10), and the lower end of the stirrer central shaft (14-1) is fixedly connected with an output shaft of a flue ash mixed acid stirring motor (14).
9. The lead-containing flue dust pretreatment device according to claim 1, characterized in that: four corners at the bottom of the pretreatment device box body (1) are respectively provided with a bottom supporting leg (15).
10. The lead-containing flue dust pretreatment device according to claim 1, characterized in that: the device also comprises an acid mixer control electric cabinet (13) used for controlling the sulfuric acid discharge control valve (4), the viscous agent discharge control valve (12) and the flue ash acid mixing stirring motor (14), wherein the sulfuric acid discharge control valve (4), the viscous agent discharge control valve (12), the flue ash acid mixing stirring motor (14) and the acid mixer control electric cabinet (13) are electrically connected; the sulfuric acid discharge control valve (4) and the viscous agent discharge control valve (12) are electric flow control valves.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920554145.4U CN210104038U (en) | 2019-04-23 | 2019-04-23 | Lead-containing flue dust pretreatment device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920554145.4U CN210104038U (en) | 2019-04-23 | 2019-04-23 | Lead-containing flue dust pretreatment device |
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| CN210104038U true CN210104038U (en) | 2020-02-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110453081A (en) * | 2019-04-23 | 2019-11-15 | 湖北金洋冶金股份有限公司 | A kind of leaded flue dust pretreatment unit and method |
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2019
- 2019-04-23 CN CN201920554145.4U patent/CN210104038U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110453081A (en) * | 2019-04-23 | 2019-11-15 | 湖北金洋冶金股份有限公司 | A kind of leaded flue dust pretreatment unit and method |
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