CN205443473U - Electrolysis tombarthite smoke and dust gas clean system - Google Patents
Electrolysis tombarthite smoke and dust gas clean system Download PDFInfo
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- CN205443473U CN205443473U CN201521111739.6U CN201521111739U CN205443473U CN 205443473 U CN205443473 U CN 205443473U CN 201521111739 U CN201521111739 U CN 201521111739U CN 205443473 U CN205443473 U CN 205443473U
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Abstract
The utility model provides an electrolysis tombarthite smoke and dust gas clean system, includes the draught fan with electrolytic furnace gas collecting channel pipe connection, the draught fan export is connected with cyclone, the cyclone gas outlet is connected with the water smoke gas wash tower, gas outlet access connection bottom medicament spraying purification tower of water smoke gas wash tower, the liquid outlet of medicament spraying purification tower passes through the import of liquid circulation loop connection medicament spraying purification tower bottom, medicament spraying purification top of the tower portion is provided with the gas - water separation room, electrolysis tombarthite smoke and dust gas clean system still includes the dry recovery pond with cyclone's solid exit linkage to reach the wet recovery pond with water smoke gas wash tower solid exit linkage. The utility model discloses use whirlwind dust removal, water film to remove dust and chemical reaction defluorination and the tertiary purification mode of fluoride, levitate tombarthite in the comprehensive recovery smoke and dust improves the tombarthite technology rate of recovery, and is simultaneously good to the purifying effect of tail gas, can make produced tail gas discharge to reach standard.
Description
Technical field
This utility model belongs to mechanical field, relates to a kind of Rare Earth Electrolysis equipment, is specifically related to a kind of electrolysis rare earth dust cleaning system.
Background technology
Rare earth has the laudatory title of industrial vitamin.The most become extremely important strategic resource.Rare earth oxide refers to 15 kinds of lanthanide oxides that period of element atom ordinal number is 57 to 71, and the scandium (Sc) similar to lanthanide series chemical property and the oxide of yttrium (Y) totally 17 kinds of elements.Rare earth element is obtained in fields such as oil, chemical industry, metallurgy, weaving, pottery, glass, permanent magnet materials and is widely applied, and along with progress and the continuous breakthrough of application technology of science and technology, the value of rare earth oxide is by increasing.
Industrial production in enormous quantities rare earth metal generally uses fused salt electrolysis process.This technique is with rare earth fluoride molten salt system as electrolyte, and graphite makees electrolysis bath and anode material, and tungsten bar makees negative electrode.At melted rare earth fluoride (REF3, LiF) in system, add rare earth oxide (REO) and melt, rare earth fluoride is dissociated into rare earth ion (RE3+) and (F-), rare earth oxide (REO) is dissociated into rare earth ion (RE3+) and oxonium ion (O2-).Under electric field action, the rare earth ion of positively charged obtains electronics to movable cathode and at negative electrode, separates out and obtains rare earth metal (RE)；Electronegative F-And O2-Oxonium ion Ghandler motion on the sunny side moves and loses at anode and is electronically generated F2And O2, O2Act on graphite anode (C) at about 1000 DEG C, generate CO2。
Utility model content
For producing the discharge of harmful gas fluorine gas during overcoming existing electrolysis production rare earth, cause the technological deficiency of atmospheric pollution, the utility model discloses a kind of electrolysis rare earth dust cleaning system.
A kind of electrolysis rare earth dust cleaning system described in the utility model, including the air-introduced machine being connected with electrolytic furnace gas skirt pipeline, the outlet of described air-introduced machine is connected with cyclone dust extractor, described cyclone dust extractor gas outlet is connected with Water spray dust tower import, the gas outlet of described Water spray dust tower is connected with medicament spray purification tower bottom inlet, and the liquid outlet of described medicament spray purification tower connects medicament spray purification tower bottom inlet by liquid circulation loop；Described medicament spray cleaning top of tower is provided with air-water separation chamber；
Described liquid circulation loop includes the sedimentation tank being connected with medicament spray purification tower liquid outlet, the defecator being connected with sedimentation tank solid outlet, and the preparing pool being connected with sedimentation tank liquid outlet, the outlet of described preparing pool connects medicament spray purification tower bottom inlet by depositing reservoir；Described defecator liquid outlet is connected with preparing pool；
Described electrolysis rare earth dust cleaning system also includes the dry recovery pond that the solid outlet with cyclone dust extractor is connected, and the wet recovery pond being connected with Water spray dust tower solid outlet, the outlet of described dry recovery pond, wet recovery pond solid outlet are connected with electrolytic furnace charging aperture, and described wet recovery pond liquid outlet is connected with preparing pool.
Preferably, described wet recovery pond liquid outlet is connected with preparing pool by clear water reserviors.
Preferably, also include that the solid being connected with described defecator solid outlet dries pond.
Use electrolysis rare earth dust cleaning system described in the utility model, hinge structure, use the fluorine in cyclone dust removal, water film dedusting and chemical reaction and ending gas and three grades of purification styles of fluoride, rare earth floating in synthetical recovery flue dust, improve the rare-earth process response rate, remove the fluorine in flue gas, good purification, it is possible to make produced tail gas qualified discharge by water mist sprinkling simultaneously.
Accompanying drawing explanation
Fig. 1 is a kind of detailed description of the invention each several part connection diagram of electrolysis rare earth dust cleaning system described in the utility model；
In figure, reference is entitled: 1-gas skirt, 2-electrolytic furnace, and 3-solid dries pond, 4-air-introduced machine, 5-cyclone dust extractor, 6-Water spray dust tower, 7-medicament spray purification tower, 8-air-water separation chamber, 9-sedimentation tank, 10-defecator, 11-preparing pool, 12-depositing reservoir, the dry recovery pond of 13-, the wet recovery pond of 14-, 15-clear water reserviors.
Detailed description of the invention
Below in conjunction with the accompanying drawings, detailed description of the invention of the present utility model is described in further detail.
As shown in Figure 1, electrolysis rare earth dust cleaning system described in the utility model, including the air-introduced machine 4 being connected with electrolytic furnace gas skirt 1 pipeline, the outlet of described air-introduced machine is connected with cyclone dust extractor 5, described cyclone dust extractor 5 gas outlet is connected with Water spray dust tower 6, the gas outlet of described Water spray dust tower 6 is connected with medicament spray purification tower 7 bottom inlet, and the liquid outlet of described medicament spray purification tower 7 connects medicament spray purification tower bottom inlet by liquid circulation loop；Described medicament spray cleaning top of tower is provided with air-water separation chamber 8.
Described liquid circulation loop includes the sedimentation tank 9 being connected with medicament spray purification tower liquid outlet, the defecator 10 being connected with sedimentation tank solid outlet, and the preparing pool 11 being connected with sedimentation tank liquid outlet, described preparing pool 11 exports and connects medicament spray purification tower 7 bottom inlet by depositing reservoir 12；Described defecator 10 liquid outlet is connected with preparing pool 11；
Described electrolysis rare earth dust cleaning system also includes the dry recovery pond 13 being connected with the solid outlet of cyclone dust extractor 5, and the wet recovery pond 14 being connected with Water spray dust tower 6 solid outlet, the outlet of described dry recovery pond, wet recovery pond solid outlet are connected with electrolytic furnace 2 charging aperture, and described wet recovery pond liquid outlet is connected with preparing pool 11.
This utility model is applied in Rare Earth Electrolysis smelting process, gas skirt is arranged at above electrolytic furnace 2 fire door, after air-introduced machine 4 produces negative pressure, rare earth dust below gas skirt 1 is sucked cyclone dust extractor 5, cyclone dust extractor dust removal mechanism is to make dust-contained airflow rotate, by means of centrifugal force grit separated from air-flow and be trapped in wall, relending and help action of gravity to make grit fall into ash bucket.Solid particulate matter part bigger for volume in air-flow is discharged the dry recovery pond in bottom by cyclone dust extractor, air-flow is after cyclone dust extractor, go successively to Water spray dust tower 6, Water spray dust tower ejection water smoke, continue to absorb the solid particulate matter of small volume in air-flow, the water absorbing solid particulate matter is collected into wet recovery pond under gravity, residual gas stream goes successively to medicament spray purification tower and carries out chemical absorbing, medicament spray purification tower can spray alkaline solution such as lime water air-flow is carried out fluorine removal, with acid ions such as issuable fluorions during removing rare-earth smelting.
Wet recovery pond is after precipitation, and the solid particle of the solid matter and the collection of dry recovery pond that are deposited in bottom can directly be sent back in electrolytic furnace and be carried out secondary smelting.Being provided with moisture trap in the air-water separation chamber 8 that medicament spray column purifying column top is arranged, after gas-water separation, free of contamination gas is discharged from top, drops down onto under water bottom medicament spray column, is gathered by liquid circulation loop.
The water discharged bottom medicament spray column initially enters sedimentation tank 9, defecator 10 is entered at sedimentation tank bottom sediment after the precipitation of appropriate time, the clear water on sedimentation tank 9 upper strata is directly entered preparing pool 11 simultaneously, solid is filtered by defecator, residue clear water enters preparing pool 11, in preparing pool, available chemical reaction adds alkaline matter by the water ph value reduction in preparing pool, preparing pool can also be connected with sedimentation tank and wet recovery pond 14 liquid outlet, collect the two more clear aqueous water discharged, and by the further remove impurity of clear water reserviors 12, remove impurity can use precipitation, the hands sections such as flocculation, obtain limpid recycle-water, and send the recycling of medicament spray column.Can be connected clear water reserviors 15 between wet recovery pond 14 and preparing pool 11, wet recovery pond is after the precipitation of appropriate time, and clear water enters clear water reserviors 15 and stores, and precipitate directly sends electrolytic furnace back to.
Use electrolysis rare earth dust cleaning system described in the utility model, hinge structure, use cyclone dust removal, water film dedusting and three grades of purification styles of compound of chemical reaction fluorine removal fluorine, rare earth floating in synthetical recovery flue dust, improve the rare-earth process response rate, remove the fluorine in flue gas, good purification, it is possible to make produced tail gas qualified discharge by water mist sprinkling simultaneously.
Previously described for each preferred embodiment of the present utility model, preferred implementation in each preferred embodiment is if not the most contradictory or premised on a certain preferred implementation, each preferred implementation can arbitrarily stack combinations use, design parameter in described embodiment and embodiment is merely to clearly state the utility model proof procedure of utility model people, and be not used to limit scope of patent protection of the present utility model, scope of patent protection of the present utility model is still as the criterion with its claims, the equivalent structure change that every utilization description of the present utility model and accompanying drawing content are made, in like manner should be included in protection domain of the present utility model.
Claims (3)
1. an electrolysis rare earth dust cleaning system, it is characterized in that, including the air-introduced machine being connected with electrolytic furnace gas skirt pipeline, the outlet of described air-introduced machine is connected with cyclone dust extractor, described cyclone dust extractor gas outlet is connected with Water spray dust tower import, the gas outlet of described Water spray dust tower is connected with medicament spray purification tower bottom inlet, and the liquid outlet of described medicament spray purification tower connects medicament spray purification tower bottom inlet by liquid circulation loop；Described medicament spray cleaning top of tower is provided with air-water separation chamber；
Described liquid circulation loop includes the sedimentation tank being connected with medicament spray purification tower liquid outlet, the defecator being connected with sedimentation tank solid outlet, and the preparing pool being connected with sedimentation tank liquid outlet, the outlet of described preparing pool connects medicament spray purification tower bottom inlet by depositing reservoir；Described defecator liquid outlet is connected with preparing pool；
Described electrolysis rare earth dust cleaning system also includes the dry recovery pond that the solid outlet with cyclone dust extractor is connected, and the wet recovery pond being connected with Water spray dust tower solid outlet, the outlet of described dry recovery pond, wet recovery pond solid outlet are connected with electrolytic furnace charging aperture, and described wet recovery pond liquid outlet is connected with preparing pool.
2. electrolysis rare earth dust cleaning system as claimed in claim 1, it is characterised in that described wet recovery pond liquid outlet is connected with preparing pool by clear water reserviors.
3. electrolysis rare earth dust cleaning system as claimed in claim 1, it is characterised in that also include that the solid being connected with described defecator solid outlet dries pond.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521111739.6U CN205443473U (en) | 2015-12-29 | 2015-12-29 | Electrolysis tombarthite smoke and dust gas clean system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521111739.6U CN205443473U (en) | 2015-12-29 | 2015-12-29 | Electrolysis tombarthite smoke and dust gas clean system |
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| CN205443473U true CN205443473U (en) | 2016-08-10 |
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| CN201521111739.6U Active CN205443473U (en) | 2015-12-29 | 2015-12-29 | Electrolysis tombarthite smoke and dust gas clean system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107617290A (en) * | 2017-11-06 | 2018-01-23 | 河南福森药业有限公司 | A kind of pharmaceuticals industry air cleaning unit |
| CN110578155A (en) * | 2019-09-29 | 2019-12-17 | 苏州拓又达新能源科技有限公司 | automatic production line for rare earth smelting and production method thereof |
| CN110804747A (en) * | 2019-11-22 | 2020-02-18 | 乐山有研稀土新材料有限公司 | Smoke dust recovery system and method of rare earth electrolytic cell |
| CN111001249A (en) * | 2019-12-23 | 2020-04-14 | 王瑞杰 | Air purification equipment and method for crushing workshop |
-
2015
- 2015-12-29 CN CN201521111739.6U patent/CN205443473U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107617290A (en) * | 2017-11-06 | 2018-01-23 | 河南福森药业有限公司 | A kind of pharmaceuticals industry air cleaning unit |
| CN107617290B (en) * | 2017-11-06 | 2024-05-28 | 河南福森药业有限公司 | Air purification device for pharmaceutical industry |
| CN110578155A (en) * | 2019-09-29 | 2019-12-17 | 苏州拓又达新能源科技有限公司 | automatic production line for rare earth smelting and production method thereof |
| CN110578155B (en) * | 2019-09-29 | 2024-04-26 | 苏州拓又达新能源科技有限公司 | Automatic production line for rare earth smelting and production method thereof |
| CN110804747A (en) * | 2019-11-22 | 2020-02-18 | 乐山有研稀土新材料有限公司 | Smoke dust recovery system and method of rare earth electrolytic cell |
| CN111001249A (en) * | 2019-12-23 | 2020-04-14 | 王瑞杰 | Air purification equipment and method for crushing workshop |
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