CN207143351U - Equipment for extracting electrolyte in carbon slag - Google Patents
Equipment for extracting electrolyte in carbon slag Download PDFInfo
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- CN207143351U CN207143351U CN201721144541.7U CN201721144541U CN207143351U CN 207143351 U CN207143351 U CN 207143351U CN 201721144541 U CN201721144541 U CN 201721144541U CN 207143351 U CN207143351 U CN 207143351U
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- carbon slag
- smelting furnace
- natural gas
- electrolyte
- carbon
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Abstract
The utility model discloses a kind of equipment for extracting electrolyte in carbon slag, including the fuel system and smelting furnace that are connected, the expansion chamber being connected by flue with the smelting furnace, the Smoke Gas Purity by Electrolysis system that is connected by flue with the expansion chamber.Equipment provided by the utility model for extracting electrolyte in carbon slag, Aluminum Electrolysis Production is returned after the electrolyte in carbon slag and carbon are efficiently separated and is used, realized the recycling after the effectively processing of dangerous solid waste, environment will not be polluted.Original Smoke Gas Purity by Electrolysis system in Aluminum Electrolysis Production is relied on, caused harmful smoke in fusion process is subjected to effective purified treatment, reaches national requirements for environmental protection.Carbon therein is participated in into thermal chemical reaction in fusion process, final quantity is effectively reduced.And effectively extract the utility in dangerous solid waste, return and used in production, reduce the waste of material, saved production cost.
Description
Technical field
It the utility model is related to electrolytic aluminium equipment, and in particular to a kind of equipment for extracting electrolyte in carbon slag.
Background technology
In aluminium-electrolyzing pre-roaster, carbon slag can be all produced in aluminium electrolyte solution, these carbon slags produce to aluminium electrolysis process
A series of raw detrimental effects, for example cause electrolyte voltage to raise, cause the generation of heat channel, this not only causes electrolysis
Increase, and many technical-economic indexes of aluminum electrolysis can be then reduced when heat channel produces, while to the life-span of electrolytic cell
Also have an impact, caused carbon slag will all be salvaged from electrolytic cell in Aluminum Electrolysis Production.Generally produce
One ton of electrolytic aluminium will produce 15 kilograms or so of carbon slag, and the electrolyte content in carbon slag can reach 55%, and electrolyte is aluminium electricity
Solve raw material indispensable in production process.Carbon slag is not put into dangerous solid waste before 2016, and each electrolytic aluminium factory is all by carbon slag
Fall as commodity selling, due to starting in 2016, carbon slag is put into dangerous solid waste, and each electrolytic aluminium factory can not be all disposed,
Carbon slag is caused to overstock.The electrolyte in carbon slag and carbon can not be utilized effectively simultaneously, and larger environmental protection is not only caused to enterprise
Pressure, also result in huge economic loss.Although the technique of electrolyte, its electrolyte produced are extracted now with filter press technique
It is powdery, can not be completely melt in production and application, harm is brought to the stationarity of electrolytic cell.
Utility model content
The purpose of this utility model efficiently solves electricity in providing a kind of equipment for extracting electrolyte in carbon slag
The problem that solution aluminium danger solid waste can not be disposed, effectively extracts return production and application by the utility in dangerous solid waste, subtracts
Waste is lacked, has saved production cost, and dangerous solid waste is disposed to Posterior circle use in factory, enterprise is realized recycling economy
And environmental protection and economy.
To achieve these goals, the utility model provides following technical scheme：
A kind of equipment for extracting electrolyte in carbon slag, including,
The fuel system and smelting furnace being connected, the fuel system are used to provide combustion to the smelting furnace
Material, the smelting furnace are used to heat carbon slag；
Expansion chamber, it is connected by flue with the smelting furnace, for by caused flue gas in fusion process
Grain thing carries out settlement treatment；
Smoke Gas Purity by Electrolysis system, it is connected by flue with the expansion chamber, for carrying out reclaiming clean to flue gas
Processing.
Preferably, the fuel system includes：
Natural gas line, it is connected with the smelting furnace, for natural gas to be delivered into the smelting furnace；
Natural gas pressure regulating device, it is arranged on the natural gas line, for adjusting natural gas in the natural gas line
Pressure.
Preferably, the pressure of natural gas is in 10-17KPa in the natural gas line.
Preferably, the natural gas line takes seal approach.
Preferably, the natural gas line uses metallic conduit；Pipeline enclosure is connected and is bolted by flange,
There is pad centre, and junction is wound by graphite or metal is wound.
Preferably, the melting in-furnace temperature is heated between 1100 DEG C -1350 DEG C.
Preferably, the smelting furnace is heat accumulating type smelting furnace.
Draw preferably, being provided with least one on flue between the expansion chamber and the Smoke Gas Purity by Electrolysis system
Blower fan.
Equipment provided by the utility model for extracting electrolyte in carbon slag is effective by the electrolyte in carbon slag and carbon
Aluminum Electrolysis Production is returned after separation to use, and is realized the recycling after the effectively processing of dangerous solid waste, will not be caused dirt to environment
Dye.Original Smoke Gas Purity by Electrolysis system in Aluminum Electrolysis Production is relied on, caused harmful smoke in fusion process is carried out effective
Purified treatment, reach national requirements for environmental protection.Carbon therein is participated in into thermal chemical reaction in fusion process, final quantity is had
Effect is reduced.And effectively extract the utility in dangerous solid waste, return and used in production, reduce the waste of material, save
Production cost.
Brief description of the drawings
, below will be to institute in embodiment in order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only described in the utility model
Some embodiments, for those of ordinary skill in the art, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation for being used to extract the equipment of electrolyte in carbon slag that the utility model embodiment provides；
Fig. 2 is the process chart for being used to extract the equipment of electrolyte in carbon slag that the utility model embodiment provides.
Description of reference numerals：
1st, natural gas line；2nd, natural gas pressure regulating device；3rd, smelting furnace；4th, expansion chamber；5th, air-introduced machine；6th, electrolysis flue gas is net
Change system.
Embodiment
In order that those skilled in the art more fully understands the technical solution of the utility model, below in conjunction with accompanying drawing pair
The utility model is further detailed.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability includes, so that process, method, article or terminal device including a series of elements not only include those
Key element, but also the other element including being not expressly set out, or it is this process, method, article or end also to include
The intrinsic key element of end equipment.In the absence of more restrictions, limited by sentence " including ... " or " including ... "
Key element, it is not excluded that other key element in the process including the key element, method, article or terminal device also be present.This
Outside, herein, " being more than ", " being less than ", " exceeding " etc. are interpreted as not including this number；" more than ", " following ", " within " etc. understand
It is to include this number.
Because electrolytic aluminium carbon slag is put into dangerous solid waste, each electrolytic aluminium factory carbon slag can not all be disposed, while the electricity in carbon slag
Solution matter and carbon can not be all efficiently utilized, and cause serious waste.The electrolyte in carbon slag is subjected to melting with smelting furnace,
It is completely separated carbon and electrolyte, while it is exactly a kind of effectively place to return to Aluminum Electrolysis Production after electrolyte is recrystallized and use
Manage the good method of this dangerous solid waste of carbon slag.Therefore, a kind of equipment for extracting electrolyte in carbon slag is devised, such as Fig. 1 institutes
Show, the equipment includes fuel system, smelting furnace 3, expansion chamber 4, Smoke Gas Purity by Electrolysis system 6.Wherein, in the present embodiment
In, preferably this clear energy sources of natural gas do fuel, so fuel system includes natural gas line 1 and natural gas pressure regulating fills
Put 2.One end of natural gas line 1 is connected with natural air-air source, and the other end is connected with smelting furnace 3, for natural gas to be conveyed
To the smelting furnace 3.Natural gas pressure regulating device 2 is arranged on natural gas line 1, for adjusting natural gas in the natural gas line 1
Pressure.Expansion chamber 4 is connected by flue with smelting furnace 3, and Smoke Gas Purity by Electrolysis system 6 is connected by flue with expansion chamber 4
It is logical.In the present embodiment, 1 preferred metallic conduit of natural gas line, such as steel pipe.Pipeline enclosure is connected by flange and consolidated by bolt
Fixed, there is pad centre, and junction is wound by graphite or metal is wound, and takes except after this seal approach, can effective riser tubing
Between sealing.
The above-mentioned equipment for extracting electrolyte in carbon slag, the effect of its each device are as follows：
Natural gas line 1, it is connected with natural air-air source, for natural gas to be delivered into smelting furnace 3.
Natural gas pressure regulating device 2, it is used to carry out pressure regulation to natural gas in natural gas line 1, and the pressure of natural gas is adjusted
It is whole to arrive 10-17KPa, and provide fuel supply for the combustion system of smelting furnace 3.
Smelting furnace 3, carbon slag is mechanically or manually added in the burner hearth of smelting furnace 3, then with burner to carbon slag
Heated, the electrolyte in carbon slag is melted at a high temperature of 1100 DEG C -1350 DEG C, after electrolyte melting with carbon slag
In carbon separated, and the carbon swum on electrolytic liquid is mechanically or manually clawed, by liquid electrolyte through blowing
Mouth is released in mould, and the demoulding, which is smashed, after cooling returns to electrolysis production use.
Expansion chamber 4, caused flue gas comes expansion chamber 4 by flue in fusion process, after fume centralized, in expansion chamber 4
The interior particulate matter by flue gas carries out settlement treatment, makes to enter the dust particle in the flue gas of Smoke Gas Purity by Electrolysis system 6
It is preferably minimized, the flue gas by sedimentation enters Smoke Gas Purity by Electrolysis system 6 by flue.
Smoke Gas Purity by Electrolysis system 6, this is the facility that former Highway in Electrolytic Aluminium Production System has configured, and main function is to be electrolysed
Flue gas caused by groove carries out reclaiming clean processing.Due in caused flue gas and electrolysis production in fusion process caused flue gas into
It is point completely the same, therefore it is extraordinary mode to handle caused flue gas in fusion process using the Smoke Gas Purity by Electrolysis system 6.
If the air quantity of Smoke Gas Purity by Electrolysis system 6 is enough by caused off-gas recovery in fusion process in production system,
Air-introduced machine need not be configured.If the air quantity that Smoke Gas Purity by Electrolysis system 6 configures can not be whole by caused flue gas in fusion process
Recovery, then be provided with an at least air-introduced machine 5 on the flue between expansion chamber 4 and Smoke Gas Purity by Electrolysis system 6, to ensure
Caused flue gas fully enters Smoke Gas Purity by Electrolysis system 6 in fusion process.
The equipment that this is used to extract electrolyte in carbon slag, can be easily by the smoke exhaust pipe of smelting furnace 3 close to electrolytic aluminium factory building
Road is connected to the position of electrolytic aluminum smoke cleaning system, builds the closed factory building for meeting environmental requirement.According to electrolytic aluminium carbon slag
After yield determines the model of smelting furnace, corresponding heated by natural gas smelting furnace 3 is installed, in order to preferably reach energy-conservation purpose,
Heat accumulating type smelting furnace is preferred.The flue gas exhausting pipe line of smelting furnace 3 is connected to expansion chamber 4, the particulate matter in flue gas is carried out
Settlement treatment, the flue gas then handled through preliminary sedimentation enter Smoke Gas Purity by Electrolysis system 6 through flue, and flue gas passes through electrolysis flue gas
Cleaning system 6 is discharged into air after purifying.
The equipment for extracting electrolyte in carbon slag that the present embodiment provides, its technological process is as shown in Fig. 2 carbon slag is used
Mechanically or manually it is added in the burner hearth of smelting furnace 3, then carbon slag is heated with burner, carbon slag is melted in heat accumulating type
Carbon slag is heated to 1250-1300 DEG C with natural gas in furnace 3, after the electrolyte in carbon slag is smelted into liquid, carbon floats on electricity
Matter liquid surface is solved, electrolyte is released after the carbon of floating is clawed into mould, Aluminum Electrolysis Production is returned after cooling and is used.
Carbon carries out combustion reaction in fusion process, wherein the carbon for having 30% is burned off, the residual carbon clawed is as electrolytic aluminium anode
The raw material of steel claw protection ring use.
Flue gas will be produced in fusion process, the composition of these flue gases includes CO, CO2、H2O, NO etc., also a small amount of SO2
And the villiaumite volatilization in electrolyte produces a small amount of fluoro-gas, this partial fume enters into electrolytic aluminum smoke cleaning system 6
The effective purified treatment of row.
The equipment for extracting electrolyte in carbon slag in the present embodiment, it is effectively located dangerous solid waste in factory
Reason, dangerous solid waste are not dispatched from the factory, and solve the problem that aluminium electrolysis enterprise danger solid waste can not be disposed.By the electrolyte and carbon in carbon slag
Aluminum Electrolysis Production is returned after efficiently separating to use, and is realized the recycling after the effectively processing of dangerous solid waste, environment will not be made
Into pollution.Original Smoke Gas Purity by Electrolysis system in Aluminum Electrolysis Production is relied on, caused harmful smoke in fusion process is carried out
Effective purified treatment, reaches national requirements for environmental protection.Carbon therein is participated in into thermal chemical reaction in fusion process, final quantity obtains
Effectively to reduce.And effectively extract the utility in dangerous solid waste, return and used in production, reduce the waste of material,
Production cost is saved.
Some one exemplary embodiments of the present utility model are only described by way of explanation above, undoubtedly, for
One of ordinary skill in the art, can be with a variety of in the case of without departing from spirit and scope of the present utility model
Mode is modified to described embodiment.Therefore, above-mentioned accompanying drawing and description are inherently illustrative, should not be construed as
Limitation to the utility model claims protection domain.
Claims (8)
- A kind of 1. equipment for extracting electrolyte in carbon slag, it is characterised in that including,The fuel system and smelting furnace being connected, the fuel system are used to provide fuel to the smelting furnace, should Smelting furnace is used to heat carbon slag；Expansion chamber, it is connected by flue with the smelting furnace, for by the particulate matter in caused flue gas in fusion process Carry out settlement treatment；Smoke Gas Purity by Electrolysis system, it is connected by flue with the expansion chamber, for carrying out reclaiming clean processing to flue gas.
- 2. the equipment according to claim 1 for extracting electrolyte in carbon slag, it is characterised in that the fuel supply system System includes：Natural gas line, it is connected with the smelting furnace, for natural gas to be delivered into the smelting furnace；Natural gas pressure regulating device, it is arranged on the natural gas line, for adjusting the pressure of natural gas in the natural gas line Power.
- 3. the equipment according to claim 2 for extracting electrolyte in carbon slag, it is characterised in that the natural gas line The pressure of middle natural gas is in 10-17KPa.
- 4. the equipment according to claim 3 for extracting electrolyte in carbon slag, it is characterised in that the natural gas line Take seal approach.
- 5. the equipment according to claim 4 for extracting electrolyte in carbon slag, it is characterised in that the natural gas line Using metallic conduit；Pipeline enclosure is connected and is bolted by flange, and there is pad centre, and junction is by graphite winding or gold Category winding.
- 6. the equipment according to claim 1 for extracting electrolyte in carbon slag, it is characterised in that warm in the smelting furnace Degree is heated between 1100 DEG C -1350 DEG C.
- 7. the equipment according to claim 1 for extracting electrolyte in carbon slag, it is characterised in that the smelting furnace is storage Hot type smelting furnace.
- 8. the equipment according to any one of claim 1 to 7 for extracting electrolyte in carbon slag, it is characterised in that institute State and an at least air-introduced machine is installed on the flue between expansion chamber and the Smoke Gas Purity by Electrolysis system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721144541.7U CN207143351U (en) | 2017-09-08 | 2017-09-08 | Equipment for extracting electrolyte in carbon slag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721144541.7U CN207143351U (en) | 2017-09-08 | 2017-09-08 | Equipment for extracting electrolyte in carbon slag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207143351U true CN207143351U (en) | 2018-03-27 |
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ID=61677925
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721144541.7U Active CN207143351U (en) | 2017-09-08 | 2017-09-08 | Equipment for extracting electrolyte in carbon slag |
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| Country | Link |
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| CN (1) | CN207143351U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108611663A (en) * | 2018-08-03 | 2018-10-02 | 河南亿安设备科技有限公司 | A kind of electrolyte recovery system and method |
| CN111551027A (en) * | 2020-05-22 | 2020-08-18 | 中铝郑州有色金属研究院有限公司 | Smelting furnace and smelting method for recycling electrolyte from aluminum electrolysis carbon slag |
-
2017
- 2017-09-08 CN CN201721144541.7U patent/CN207143351U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108611663A (en) * | 2018-08-03 | 2018-10-02 | 河南亿安设备科技有限公司 | A kind of electrolyte recovery system and method |
| CN111551027A (en) * | 2020-05-22 | 2020-08-18 | 中铝郑州有色金属研究院有限公司 | Smelting furnace and smelting method for recycling electrolyte from aluminum electrolysis carbon slag |
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