CN113832358A - Zinc-aluminum vacuum distillation separator - Google Patents

Zinc-aluminum vacuum distillation separator Download PDF

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Publication number
CN113832358A
CN113832358A CN202111299925.7A CN202111299925A CN113832358A CN 113832358 A CN113832358 A CN 113832358A CN 202111299925 A CN202111299925 A CN 202111299925A CN 113832358 A CN113832358 A CN 113832358A
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China
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zinc
furnace body
vacuum distillation
hole
water
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CN202111299925.7A
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Chinese (zh)
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陈永亮
陈沐亮
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Jiangxi Shuimu Electromechanical Equipment Co ltd
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Jiangxi Shuimu Electromechanical Equipment Co ltd
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Priority to CN202111299925.7A priority Critical patent/CN113832358A/en
Publication of CN113832358A publication Critical patent/CN113832358A/en
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    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B19/00Obtaining zinc or zinc oxide
    • C22B19/04Obtaining zinc by distilling
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B19/00Obtaining zinc or zinc oxide
    • C22B19/30Obtaining zinc or zinc oxide from metallic residues or scraps
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B7/00Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
    • C22B7/001Dry processes
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B7/00Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
    • C22B7/04Working-up slag
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B9/00General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
    • C22B9/04Refining by applying a vacuum
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00Charging; Discharging; Manipulation of charge
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)

Abstract

The invention discloses a zinc-aluminum vacuum distillation separation device, which relates to the field of zinc-aluminum separation and comprises a base, wherein the top of the base is respectively provided with a furnace body, a cooling chamber, a motor and a water tank, the top of the furnace body is provided with a feeding component, a vacuum pump is arranged above one side of the furnace body, and a heating device is arranged below the inner part of the furnace body. The collection efficiency is improved.

Description

Zinc-aluminum vacuum distillation separator
Technical Field
The invention relates to the field of zinc-aluminum separation, in particular to a zinc-aluminum vacuum distillation separation device.
Background
The galvanized slag is a waste slag formed in the steel galvanizing process, and the annual output in China is more than 40 ten thousand tons at present. On one hand, the galvanized slag is regarded as a dangerous waste recognized by the state, and if the galvanized slag is not properly treated, the galvanized slag can cause harm to the environment; on the other hand, the metal zinc content of the galvanized slag is generally more than 90 percent, and the galvanized slag is a secondary zinc resource with higher value.
Current distillation separator is when separating zinc-aluminum, most all once only lead into the furnace body with zinc-aluminum sediment, lead to zinc-aluminum sediment to pile up in the furnace body like this, the heating is slow and the not abundant condition of heating inadequately appears easily, influence separation rate, secondly, current distillation separator is when steam cooling, most adopt and carry out water-cooled mode to the pipeline, but because the pipeline space is narrow and small relatively, inside steam is difficult even carries out the heat exchange with water, thereby this kind of mode cooling effect is relatively poor, the collection efficiency of zinc has been influenced.
Disclosure of Invention
Based on the technical problems, the zinc-aluminum vacuum distillation separation device is provided to solve the technical problems that the heating is slow and the cooling effect on hot gas is poor due to material accumulation.
In order to achieve the purpose, the invention provides the following technical scheme: a zinc-aluminum vacuum distillation separation device comprises a base, wherein a furnace body, a cooling chamber, a motor and a water tank are respectively arranged at the top of the base, a feeding assembly is arranged at the top of the furnace body, a vacuum pump is arranged above one side of the furnace body, a heating device is arranged below the inside of the furnace body, fixed gear rings are arranged on two sides of the inside of the furnace body, a stirring shaft is arranged inside the furnace body, a stirring rod is arranged on the outer surface of the stirring shaft through a bearing, stirring blades are fixed on the outer surface of the stirring rod, a transmission gear is fixed at one end of the stirring rod, a first driven bevel gear is connected at the bottom end of the stirring shaft, a driving shaft is connected at the output end of the motor, two groups of driving bevel gears are arranged on the outer surface of the driving shaft, the upper part of the other side of the furnace body is communicated with the cooling chamber through an air inlet pipe, and a flocculation assembly is arranged inside the cooling chamber, a water pump is installed on one side of the water tank, and a circulating pipe penetrates through the top of the water tank.
Further, the wadding disturbs the subassembly including the rotation axis, the surface below of rotation axis is provided with the driven awl tooth of second, the inside of rotation axis is provided with the water passage, the both sides of rotation axis are fixed with the wadding and disturb the board, the inside of wadding disturbing the board is provided with the intake antrum, the one end of the intake end of water pump and circulating pipe all is connected with the rotation axis through rotary joint.
Through adopting above-mentioned technical scheme, the cooling water enters into the water cavity through leading to the water channel, when steam and wadding disturbed the board and contact, can rapid cooling, and when the rotation axis drove the rotation of wadding disturbed the board, can stir inside steam for steam and wadding disturbed the board and contact more abundant and even.
Further, the feeding assembly comprises a chute and a second through hole which are located at the top of the furnace body and a rotating gear which is located at the top end of the stirring shaft, a storage tank is installed inside the chute through a slide bar, a rotating gear ring is arranged on the outer surface of the storage tank, a first through hole penetrates through the bottom of the storage tank, and a cover plate is arranged at the top of the storage tank.
Through adopting above-mentioned technical scheme, it is rotatory through rotating the ring gear that the running gear drives to this makes the draw runner slide in the spout, and then makes first through-hole and second through-hole intermittent type nature intercommunication, has realized the purpose of intermittent type nature feeding.
Furthermore, the first through hole and the second through hole are provided with multiple groups, and the diameters of the first through hole and the second through hole are equal.
By adopting the technical scheme, when the first through hole is communicated with the second through hole, the zinc-aluminum slag can fall into the furnace body from the first through hole and the second through hole.
Furthermore, two groups of fixed gear rings are arranged, and the transmission gears are meshed with the bottoms of the fixed gear rings.
Through adopting above-mentioned technical scheme, when drive gear rolled on the stationary ring, drive gear can drive the puddler rotation.
Furthermore, the water inlet cavity is communicated with the water passage, and the flocculation plate is made of copper materials.
By adopting the technical scheme, water of the water passage can enter the water inlet cavity, the heat conductivity of the copper material is higher, and the cooling efficiency of zinc vapor is improved.
Furthermore, the storage tanks are provided with two groups, and the storage tanks are located on two sides of the top of the furnace body.
By adopting the technical scheme, the zinc-aluminum slag can be uniformly distributed in the furnace body, and the heating efficiency is improved.
Further, the top of the fixed gear ring is inclined.
Through adopting above-mentioned technical scheme, the slope sets up can avoid the zinc-aluminium sediment to be detained the top of taking fixed ring gear and cause the heating insufficient.
Further, the top of water tank is installed and is controlled the panel, just motor, heating device, water pump and vacuum pump all with control panel electric connection.
Through adopting above-mentioned technical scheme, the staff can control motor, heating device, water pump and vacuum pump through controlling the panel.
In summary, the invention mainly has the following beneficial effects:
1. according to the invention, the feeding assembly, the gear ring and the transmission gear are arranged, the motor rotates to enable the driving shaft to rotate so that the driving bevel gear drives the first driven bevel gear to rotate, the stirring shaft further rotates, the stirring shaft rotates to rotate the rotating gear and the stirring rod, the rotating gear drives the rotating gear ring to rotate, and further the storage tank rotates, the first through hole and the second through hole can be intermittently communicated when the storage tank rotates, zinc-aluminum slag falls into the furnace body when the first through hole is communicated with the second through hole, and the zinc-aluminum slag does not fall when the first through hole is not communicated with the second through hole, so that intermittent feeding is realized, and the zinc-aluminum slag is prevented from being accumulated in the furnace body at one time; and when the (mixing) shaft was rotatory, the puddler used the (mixing) shaft to take place to rotate as the centre of a circle, and then stir about going on to the zinc-aluminium sediment, and drive gear and fixed ring gear meshing, and then make drive gear roll on fixed ring gear, and when drive gear rolled, can drive puddler self and take place to rotate, make this stirring leaf use the puddler to take place to rotate as the centre of a circle, and then stir about going on the zinc-aluminium sediment, through intermittent type nature feeding and stir simultaneously about from top to bottom, make the zinc-aluminium sediment be heated more fast, distillation separation efficiency has been improved.
2. According to the invention, the rotating shaft, the water passage, the water inlet cavity and the wadding disturbance plate are arranged, hot gas generated by heating enters the cooling chamber, water is filled into the water passage by the water pump and then enters the water inlet cavity, the driving bevel gear rotates to drive the second driven bevel gear to rotate, so that the rotating shaft rotates, the wadding disturbance plate rotates due to the rotation of the rotating shaft, the hot gas can be fully contacted with the wadding disturbance plate, the cooling speed of the hot gas is higher, the hot gas is condensed into zinc liquid after being cooled and stored in the cooling chamber, the collection of the zinc liquid is more convenient and faster, and the collection efficiency is improved.
Drawings
FIG. 1 is a schematic view of the furnace structure of the present invention;
FIG. 2 is a schematic diagram of a rotating shaft and batt plate configuration of the present invention;
FIG. 3 is a schematic view of a material storage tank according to the present invention;
FIG. 4 is a schematic top view of the furnace body of the present invention.
In the figure: 1. a base; 2. a furnace body; 3. a vacuum pump; 4. a feed assembly; 401. a material storage tank; 402. rotating the gear ring; 403. a rotating gear; 404. a cover plate; 405. a first through hole; 406. a second through hole; 407. a slide bar; 408. a chute; 5. a stirring shaft; 6. a stirring rod; 7. stirring blades; 8. fixing the gear ring; 9. a transmission gear; 10. an air inlet pipe; 11. a cooling chamber; 12. a flocculating component; 1201. a rotating shaft; 1202. a water passage; 1203. a rotary joint; 1204. a wadding plate; 1205. a water inlet cavity; 1206. a second driven bevel gear; 13. a circulation pipe; 14. a water tank; 15. a control panel; 16. a water pump; 17. a motor; 18. a drive shaft; 19. driving bevel gears; 20. a first driven bevel gear; 21. and heating the device.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
The following describes an embodiment of the present invention based on its overall structure.
A zinc-aluminum vacuum distillation separation device, as shown in FIGS. 1-4, comprises a base 1, wherein the top of the base 1 is provided with a furnace body 2, a cooling chamber 11, a motor 17 and a water tank 14, the top of the furnace body 2 is provided with a feeding component 4, the feeding component 4 comprises a chute 408 positioned at the top of the furnace body 2, a second through hole 406 and a rotating gear 403 positioned at the top end of a stirring shaft 5, a material storage tank 401 is installed inside the chute 408 through a slide bar 407, the outer surface of the material storage tank 401 is provided with a rotating gear ring 402, a first through hole 405 penetrates through the bottom of the material storage tank 401, the top of the material storage tank 401 is provided with a cover plate 404, the rotating gear 403 drives the rotating gear ring 402 to rotate, so that the slide bar 407 slides in the chute 408, the first through hole 405 and the second through hole 406 are intermittently communicated, the purpose of intermittent feeding is realized, a vacuum pump 3 is installed above one side of the furnace body 2, a heating device 21 is arranged below the inside of the furnace body 2, two fixed gear rings 8 are arranged on two sides of the inside of the furnace body 2, a stirring shaft 5 is arranged inside the furnace body 2, a stirring rod 6 is arranged on the outer surface of the stirring shaft 5 through a bearing, stirring blades 7 are fixed on the outer surface of the stirring rod 6, a transmission gear 9 is fixed at one end of the stirring rod 6, a first driven bevel gear 20 is connected at the bottom end of the stirring shaft 5, a driving shaft 18 is connected at the output end of a motor 17, two sets of driving bevel gears 19 are arranged on the outer surface of the driving shaft 18, the upper part of the other side of the furnace body 2 is communicated with a cooling chamber 11 through an air inlet pipe 10, a flocculation component 12 is arranged inside the cooling chamber 11, the flocculation component 12 comprises a rotating shaft 1201, a second driven bevel gear 1206 is arranged below the outer surface of the rotating shaft 1201, a water channel 1202 is arranged inside the rotating shaft 1201, two flocculation plates 1204 are fixed on two sides of the rotating shaft 1201, and a water inlet cavity 1205 is arranged inside the flocculation plate 1204, water pump 16's the end of intaking and the one end of circulating pipe 13 all are connected with rotation axis 1201 through rotary joint 1203, cooling water enters into intake antrum 1205 through water passage 1202 in, when hot gas and the contact of wadding board 1204, can rapid cooling, and when rotation axis 1201 drives the rotation of wadding board 1204, can stir inside hot gas, make hot gas and the contact of wadding board 1204 more abundant and even, water pump 16 is installed to one side of water tank 14, the top of water tank 14 is run through there is circulating pipe 13.
Referring to fig. 1, 3 and 4, the first through hole 405 and the second through hole 406 are provided with a plurality of groups, the diameters of the plurality of groups of first through holes 405 and second through holes 406 are equal, when the first through hole 405 is communicated with the second through hole 406, the zinc-aluminum slag can fall into the furnace body 2 from the first through hole 405 and the second through hole 406, the fixed gear ring 8 is provided with two groups, the transmission gear 9 is meshed with the bottom of the fixed gear ring 8, and when the transmission gear 9 rolls on the fixed gear ring 8, the transmission gear 9 can drive the stirring rod 6 to rotate.
Referring to fig. 1 and 4, the intake antrum 1205 is linked together with water passage 1202, and wadding board 1204 adopts the preparation of copper material to form, and the water of water passage 1202 can enter into the intake antrum, and the heat conductivity of copper material is more, has improved the cooling efficiency to zinc vapour, and storage tank 401 is provided with two sets ofly, and two sets of storage tanks 401 are located the top both sides of furnace body 2 for distribution that zinc-aluminum sediment can be even in the inside of furnace body 2 has improved heating efficiency.
Referring to fig. 1-4, the top of fixed ring gear 8 is the slope form, and the slope sets up can avoid zinc aluminium sediment to be detained the top of taking fixed ring gear 8 and cause the heating insufficient, and control panel 15 is installed at the top of water tank 14, and motor 17, heating device 21, water pump 16 and vacuum pump 3 all with control panel 15 electric connection, and the staff can control motor 17, heating device 21, water pump 16 and vacuum pump 3 through controlling panel 15.
The implementation principle of the embodiment is as follows: firstly, a worker puts the device well, then zinc-aluminum slag is temporarily stored in the storage tank 401, the worker starts the vacuum pump 3 to heat the device and the motor, the vacuum pump vacuumizes the interior of the furnace body, the motor rotates to enable the driving shaft to rotate so that the driving bevel gear drives the first driven bevel gear 20 to rotate, the stirring shaft 5 rotates the rotating gear 403 and the stirring rod 6, the rotating gear 403 drives the rotating gear ring 402 to rotate, the storage tank 401 rotates, the first through hole 405 and the second through hole 406 can be intermittently communicated when the storage tank 401 rotates, when the first through hole 405 is communicated with the second through hole 406, the zinc-aluminum slag falls into the furnace body 2, when the first through hole 405 is not communicated with the second through hole 406, the zinc-aluminum slag does not fall, intermittent feeding is further achieved, and the zinc-aluminum slag is prevented from being once accumulated in the furnace body 2; when the stirring shaft 5 rotates, the stirring rod 6 rotates around the stirring shaft 5 as a circle center, so that the zinc-aluminum slag is stirred left and right, the transmission gear 9 is meshed with the fixed gear ring 8, so that the transmission gear 9 rolls on the fixed gear ring 8, when the transmission gear 9 rolls, the stirring rod 6 is driven to rotate, so that the stirring blade 7 rotates around the stirring rod 6 as a circle center, so that the zinc-aluminum slag is stirred up and down, the zinc-aluminum slag is heated more quickly, the hot gas generated by heating enters the cooling chamber 11 through the air inlet pipe 10, the water pump 16 fills water into the water passage 1202 and then enters the water inlet cavity 1205, the driving conical tooth 19 rotates to drive the second driven conical tooth 1206 to rotate, so that the rotating shaft 1201 rotates, the flocculation plate 1204 rotates due to the rotation of the rotating shaft 1201, the flocculation plate 1204 which can fully contact the hot gas, and the temperature reduction speed of the hot gas is higher, the hot gas is condensed into liquid zinc after being cooled and is stored in the cooling chamber 11.
Although embodiments of the present invention have been shown and described, it is intended that the present invention should not be limited thereto, that the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples, and that modifications, substitutions, variations or the like, which are not inventive and may be made by those skilled in the art without departing from the principle and spirit of the present invention and without departing from the scope of the claims.

Claims (9)

1. The utility model provides a zinc-aluminum vacuum distillation separator, includes base (1), its characterized in that: the furnace body (2), the cooling chamber (11), the motor (17) and the water tank (14) are respectively arranged at the top of the base (1), the feeding component (4) is arranged at the top of the furnace body (2), the vacuum pump (3) is installed above one side of the furnace body (2), the heating device (21) is installed below the inside of the furnace body (2), the fixed gear rings (8) are arranged on two sides of the inside of the furnace body (2), the stirring shaft (5) is installed inside the furnace body (2), the stirring rod (6) is installed on the outer surface of the stirring shaft (5) through a bearing, the stirring blades (7) are fixed on the outer surface of the stirring rod (6), the transmission gear (9) is fixed on one end of the stirring rod (6), the bottom end of the stirring shaft (5) is connected with the first driven bevel gear (20), the output end of the motor (17) is connected with the driving shaft (18), the outer surface of drive shaft (18) is provided with two sets of initiative taper teeth (19), the opposite side top of furnace body (2) is linked together through intake pipe (10) and cooling chamber (11), the internally mounted of cooling chamber (11) has wadding to disturb subassembly (12), water pump (16) are installed to one side of water tank (14), circulating pipe (13) have been run through at the top of water tank (14).
2. The zinc-aluminum vacuum distillation separation device according to claim 1, wherein: the wadding disturbing component (12) comprises a rotating shaft (1201), second driven bevel gears (1206) are arranged below the outer surface of the rotating shaft (1201), a water channel (1202) is arranged inside the rotating shaft (1201), wadding disturbing plates (1204) are fixed on two sides of the rotating shaft (1201), a water inlet cavity (1205) is arranged inside the wadding disturbing plates (1204), and the water inlet end of the water pump (16) and one end of the circulating pipe (13) are connected with the rotating shaft (1201) through rotary joints (1203).
3. The zinc-aluminum vacuum distillation separation device according to claim 1, wherein: feeding subassembly (4) including spout (408) that are located furnace body (2) top, second through-hole (406) and be located rotating gear (403) on (mixing) shaft (5) top, storage tank (401) are installed through draw runner (407) to the inside of spout (408), the surface of storage tank (401) is provided with rotates ring gear (402), first through-hole (405) have been run through to the bottom of storage tank (401), the top of storage tank (401) is provided with apron (404).
4. The zinc-aluminum vacuum distillation separation device according to claim 3, wherein: the first through hole (405) and the second through hole (406) are provided with multiple groups, and the diameters of the first through hole (405) and the second through hole (406) of the multiple groups are equal.
5. The zinc-aluminum vacuum distillation separation device according to claim 1, wherein: two groups of fixed gear rings (8) are arranged, and the transmission gears (9) are meshed with the bottoms of the fixed gear rings (8).
6. The zinc-aluminum vacuum distillation separation device according to claim 2, wherein: the water inlet cavity (1205) is communicated with the water passage (1202), and the flocculation plate (1204) is made of copper materials.
7. The zinc-aluminum vacuum distillation separation device according to claim 3, wherein: the storage tank (401) is provided with two sets, and two sets of the storage tank (401) is located on two sides of the top of the furnace body (2).
8. The zinc-aluminum vacuum distillation separation device according to claim 3, wherein: the top of the fixed gear ring (8) is inclined.
9. The zinc-aluminum vacuum distillation separation device according to claim 3, wherein: control panel (15) are installed at the top of water tank (14), just motor (17), heating device (21), water pump (16) and vacuum pump (3) all with control panel (15) electric connection.
CN202111299925.7A 2021-11-04 2021-11-04 Zinc-aluminum vacuum distillation separator Pending CN113832358A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114931880A (en) * 2022-06-07 2022-08-23 鲁米星特种玻璃科技股份有限公司 High-efficient system machine of gluing of acid-resistant sealed production of gluing
CN115180793A (en) * 2022-06-23 2022-10-14 华能国际电力股份有限公司大连电厂 Pressurized thermal hydrolysis steam drying device

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GB161156A (en) * 1920-03-31 1922-05-15 New Jersey Zinc Co Manufacture of zinc oxide
US4126411A (en) * 1976-03-30 1978-11-21 Dravo Corporation Round cooler for hot bulk material
US20070122761A1 (en) * 2003-06-27 2007-05-31 Ishikawajima-Harima Heavy Industries Co.,Ltd. Gas cooling type vacuum heat treating furnace and cooling gas direction switching device therefor
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US20160069615A1 (en) * 2014-09-04 2016-03-10 Research Institute Of Industrial Science & Technology Thermal reduction apparatus for metal production, gate device, condensing system, and control method thereof
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WO2021114606A1 (en) * 2019-12-12 2021-06-17 中车永济电机有限公司 Air- and water-cooled high-power permanent magnet traction motor having a hanging structure
CN111334672A (en) * 2020-03-09 2020-06-26 西格马(河南)高温科技集团有限公司 Energy-saving magnesium purification device and purification process thereof
CN214168079U (en) * 2020-11-04 2021-09-10 安阳市辰鑫新材料科技有限公司 Vacuum furnace for zinc-aluminum separation

Cited By (2)

* Cited by examiner, † Cited by third party
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CN114931880A (en) * 2022-06-07 2022-08-23 鲁米星特种玻璃科技股份有限公司 High-efficient system machine of gluing of acid-resistant sealed production of gluing
CN115180793A (en) * 2022-06-23 2022-10-14 华能国际电力股份有限公司大连电厂 Pressurized thermal hydrolysis steam drying device

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Application publication date: 20211224