CN207738862U - A kind of roasting aluminum electrolytic bath process glance coal gas collection controlling device - Google Patents
A kind of roasting aluminum electrolytic bath process glance coal gas collection controlling device Download PDFInfo
- Publication number
- CN207738862U CN207738862U CN201721403092.3U CN201721403092U CN207738862U CN 207738862 U CN207738862 U CN 207738862U CN 201721403092 U CN201721403092 U CN 201721403092U CN 207738862 U CN207738862 U CN 207738862U
- Authority
- CN
- China
- Prior art keywords
- glance coal
- slot
- coal gas
- gas collection
- steel bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Electrolytic Production Of Metals (AREA)
Abstract
The utility model discloses a kind of roasting aluminum electrolytic bath process glance coal gas collection controlling device, which includes that slot thorax glance coal gas gathering system, slot side cathode steel bar glance coal gas gathering system and glance coal collect processing system；The slot thorax glance coal gas gathering system includes slot thorax glance coal gas collecting tube, slot thorax exhaust fume collecting hood and slot thorax gas collecting tube regulating valve；The slot side cathode steel bar glance coal gas gathering system includes slot side cathode steel bar gas collection reducer pipe, cathode steel bar exhaust fume collecting hood and slot side gas collecting tube regulating valve；It includes glance coal gas collection manifold trunk, mesh mist eliminator, tarvia delivery pipe and its matched bracket that the glance coal, which collects processing system,；The thorax glance coal gas collecting tube and slot side cathode steel bar gas collection reducer pipe are connected in end with glance coal gas collection manifold trunk.The utility model can solve collection and the emission problem of the glance coal that slot inner cathode is arranged.
Description
Technical field
The utility model is related to the smoke gas treatments in technical field of aluminum electrolysis, and in particular to roasting aluminum electrolytic bath process pitch
Cigarette gas collection controlling device.
Background technology
Aluminium cell is the main equipment of aluminium metallurgy, and roasting and starting process is that aluminium cell normal operation input has to pass through
Production phase.
During traditional roasting aluminum electrolytic bath, when due to liner brickwork, cathode, which is pricked, has consolidated a certain amount of carbon paste, and charcoal
Plain thickener is mainly made of electric calcined anthracite (or adding part graphite broken disastrously), coal tar pitch and several ingredients of coal tar, in aluminium electroloysis
In slot roasting process, during being increased to 300~500 DEG C with calcination temperature, the asphalt component in cathode lining of electrolytic bath will produce
Raw volatilization is overflowed, and is formed harmful glance coal and tar with certain contamination, and workshop condition is caused to pollute, is even resulted in
The smoke discharging pipe incrustation of potroom, purification system filter cloth bag such as block at the serious harmful effect, and then influence electrolytic series
Normal operation.
Currently, the ingredient of cathode of aluminium electrolytic bath ramming paste and pollutant discharge amount count such as following table both at home and abroad：
Generally, the bundle of pre-calcining electrolytic cell cathode ramming paste consolidates dosage averagely in 4~6 tons/platform, is tested according to upper table,
During roasting aluminum electrolytic bath, it will the pollutant discharge amount of generation is：
Glance coal volatile quantity：4000~6000 × 5% × 7.5%=15~22.5kg；
Tar volatile quantity：4000~6000 × 13% × 7.5%=39~58.5kg；
And during baking, single slot cathode exhaust smoke level of aluminium cell is about 750m3, then the concentration of emission of glance coal be：
15~22.5kg/750m3=0.200~0.0300kg/m3=20000~30000mg/m3＞ ＞ 20mg/m3(《Aluminum i ndustry pollutes
Object discharge standard》GB25465-2010).
As it can be seen that the asphalt smoke concentration arranged during roasting aluminum electrolytic bath is up to the 1000~1500 of discharging standards limit
Times, therefore, it is necessary to which effective control measures is taken to administer the pollutant during roasting aluminum electrolytic bath.
Utility model content
The purpose of this utility model is to provide a kind of roasting aluminum electrolytic bath process glance coal gas collection controlling device, existing to solve
There is the deficiency of technology：
The technical solution of the utility model is as follows：
The utility model first proposed a kind of roasting aluminum electrolytic bath process glance coal gas collection administering method, this method be
One slot thorax glance coal gas gathering system is set on electrolytic bath thorax top during pre-calcining electrolytic cell roasting, to collect aluminium cell
The glance coal containing tar during roasting by being discharged in slot；Two groups of slot side cathode steel bars are respectively set in aluminum cell side both sides
Glance coal gas gathering system, with the glance coal containing tar discharged by slot side cathode steel bar window during collecting roasting aluminum electrolytic bath；
One glance coal is set in the flue end of aluminium cell and collects processing system, to be arranged by electrolytic cell during collecting roasting aluminum electrolytic bath
All glance coals containing tar put, and the replaceable mesh mist eliminator by being installed in collection conduits to tarvia into
The effective filtration treatment of row；The tar of filtering is discharged by tarvia delivery pipe.
Based on above method, the roasting aluminum electrolytic bath process glance coal gas collection controlling device of the utility model be it is such,
The device includes that slot thorax glance coal gas gathering system, slot side cathode steel bar glance coal gas gathering system and glance coal collect processing system；
The slot thorax glance coal gas gathering system includes slot thorax glance coal gas collecting tube, slot thorax exhaust fume collecting hood and slot thorax gas collecting tube regulating valve；It is described
Slot side cathode steel bar glance coal gas gathering system includes slot side cathode steel bar gas collection reducer pipe, cathode steel bar exhaust fume collecting hood and slot side gas collection
Pipe regulating valve；It includes glance coal gas collection manifold trunk, mesh mist eliminator, tarvia delivery pipe that the glance coal, which collects processing system,
And its matched bracket；The thorax glance coal gas collecting tube and slot side cathode steel bar gas collection reducer pipe converge in end and glance coal gas collection
Collector is connected.
Wherein, the slot thorax glance coal gas collecting tube is set to electrolytic bath thorax top, using two-stage variable-diameter structure,
Level-one caliber range existsBetween, second level caliber range existsBetween；The slot thorax collection cigarette
It is provide with the lower part for being placed in slot thorax glance coal gas collecting tube, quantity is 2~5；The slot thorax gas collecting tube regulating valve setting is dripped in slot thorax
Collect pipe jointing part with glance coal gas collection in the second level tapered pipeline end of green cigarette gas collecting tube.
Further, the slot side cathode steel bar gas collection reducer pipe quantity is two groups, is respectively arranged at electrolytic cell both sides；Institute
Stating slot side cathode steel bar gas collection reducer pipe also uses two-stage variable-diameter structure, first order caliber range to existIt
Between, second level caliber range existsBetween；The slot side gas collecting tube regulating valve is located at slot side cathode steel bar gas collection
Reducing pipe end collects pipe jointing part with glance coal gas collection.
Further, the slot side cathode steel bar gas collection reducer pipe lower part be connected with cathode steel bar exhaust fume collecting hood more than two with
Cathode steel bar group on aluminum cell casing is mating, and every group of cathode steel bar sets a cathode steel bar exhaust fume collecting hood.
Further, the glance coal gas collection manifold trunk is set to aluminium cell flue end, and caliber range existsBetween, front end uses taper variable-diameter structure, and a tarvia delivery pipe is arranged at its reducing position.
Further, the glance coal gas collection manifold trunk is connect with electrolytic purification system smoke exhaust pipe, and in the connecting portion
One mesh mist eliminator is set, and the silk screen number of plies is 3~5 layers, and meshcount is 9~3000 mesh, is 3~35 for filtering grain size
μm tar particles object.
A kind of glance coal (contain tar) during the pre-calcining electrolytic cell roasting of the utility model collect with administering method and
Device can be to glance coal that slot inner cathode is arranged and slot side cathode steel bar window institute during roasting aluminum electrolytic bath
The glance coal of row carries out centralized collection, and summarizes and carry out fast filtering tar pollution object, and roasting process is made to enter electrolytic cleaning system
The emission of system reaches discharge standard, and will not cause secondary pollution to purification system pipeline and equipment.
Description of the drawings
Fig. 1 is the apparatus structure schematic diagram of the roasting aluminum electrolytic bath process glance coal gas collection administering method of the utility model；
Fig. 2 is A in Fig. 1 to sectional view.
Figure acceptance of the bid, which is remembered, is respectively：1- slot thorax glance coal gas collecting tubes, 2- slots side cathode steel bar gas collection reducer pipe, 3- glance coal collection
Gas manifold trunk, 4- mesh mist eliminators, 5- slot thorax exhaust fume collecting hoods, 6- cathode steel bar exhaust fume collecting hoods, 7- slot thorax gas collecting tube regulating valves, 8- pitches
Tar emission pipe, 9- cathode steel bar groups, 10- aluminum cell casings, 11- electrolytic purification system smoke exhaust pipes, 12- slots side gas collecting tube tune
Save valve.
Specific implementation mode
The utility model is described in further detail with reference to the accompanying drawings and examples, but appoints not as to the utility model
What is limited.
- 2 are please referred to Fig.1, wherein Fig. 2 is the A direction views in Fig. 1.
It can be seen from the figure that the apparatus structure of the utility model, includes mainly with lower part.
(1) slots thorax glance coal gas gathering system：By slot thorax glance coal gas collecting tube 1
The compositions such as slot thorax exhaust fume collecting hood 5 (2~3), slot thorax gas collecting tube regulating valve 7.Aluminium cell roasting is mainly collected in the effect of the system
Glance coal (containing tar) during burning by being discharged in slot；
(2) slots side cathode steel bar glance coal gas gathering system：By slot side cathode steel bar gas collection reducer pipe 2 Cathode steel bar exhaust fume collecting hood 6 (group number is identical as 9 quantity of electrolytic cell cathode steel bar group), slot side gas collecting tube
Regulating valves 12 etc. form.What the effect of the system was discharged during mainly collecting roasting aluminum electrolytic bath by slot side cathode steel bar window
Glance coal (contains tar)；
(3) glance coals collect processing system：By glance coal gas collection manifold trunk 3Mesh mist eliminator
4, the compositions such as tarvia delivery pipe 8 and associated supports.The effect of the system is mainly during collecting roasting aluminum electrolytic bath by electricity
All glance coals (containing tar) of slot discharge are solved, and the mesh mist eliminator 4 by being installed on glance coal gas collection manifold trunk 3 (can
Replace) effective filtration treatment is carried out to tarvia.The tar of filtering can be discharged by sewage draining exit.
During roasting aluminum electrolytic bath, slot inner cathode is arranged by system above glance coal and slot side cathode
The glance coal that rod iron window is arranged carries out centralized collection, and summarizes to glance coal gas collection manifold trunk 3 and carry out fast filtering tar dirt
Object is contaminated, so that roasting process is entered electrolytic purification system smoke exhaust pipe 11 and reaches discharge standard into electrolytic purification system emission,
And secondary pollution will not be caused to purification system pipeline and equipment.
The specific application example of above only the utility model, the utility model also have other embodiments, all uses
The technical solution that equivalent substitution or equivalent transformation is formed, all falls within the protection domain required by the utility model.
Claims (6)
1. a kind of roasting aluminum electrolytic bath process glance coal gas collection controlling device, it is characterised in that：The device includes slot thorax glance coal
Gas gathering system, slot side cathode steel bar glance coal gas gathering system and glance coal collect processing system；Slot thorax glance coal gas collection system
System includes slot thorax glance coal gas collecting tube (1), slot thorax exhaust fume collecting hood (5) and slot thorax gas collecting tube regulating valve (7)；Slot side cathode steel bar
Glance coal gas gathering system includes that slot side cathode steel bar gas collection reducer pipe (2), cathode steel bar exhaust fume collecting hood (6) and slot side gas collecting tube are adjusted
Valve (12)；It includes glance coal gas collection manifold trunk (3), mesh mist eliminator (4), tarvia row that the glance coal, which collects processing system,
Put pipe (8) and its matched bracket；The slot thorax glance coal gas collecting tube (1) and slot side cathode steel bar gas collection reducer pipe (2) are at end
End is connected with glance coal gas collection manifold trunk (3).
2. roasting aluminum electrolytic bath process glance coal gas collection controlling device according to claim 1, it is characterised in that：Described
Slot thorax glance coal gas collecting tube (1) is set to electrolytic bath thorax top, and using two-stage variable-diameter structure, first order caliber range existsBetween, second level caliber range existsBetween；The slot thorax exhaust fume collecting hood (5) is set to slot
The lower part of thorax glance coal gas collecting tube (1), quantity are 2~5；The slot thorax gas collecting tube regulating valve (7) is arranged in slot thorax glance coal
The second level tapered pipeline end of gas collecting tube (1) and glance coal gas collection manifold trunk (3) interconnecting piece.
3. roasting aluminum electrolytic bath process glance coal gas collection controlling device according to claim 1, it is characterised in that：The slot
Side cathode steel bar gas collection reducer pipe (2) quantity is two groups, is respectively arranged at electrolytic cell both sides；The slot side cathode steel bar gas collection becomes
Diameter pipe (2) also uses two-stage variable-diameter structure, first order caliber range to existBetween, second level caliber range
Between；The slot side gas collecting tube regulating valve (12) is located at slot side cathode steel bar gas collection reducer pipe (2) end
With glance coal gas collection manifold trunk (3) interconnecting piece.
4. roasting aluminum electrolytic bath process glance coal gas collection controlling device according to claim 3, it is characterised in that：The slot
Side cathode steel bar gas collection reducer pipe (2) lower part is connected with cathode steel bar exhaust fume collecting hood (6) more than two and aluminum cell casing (10)
On cathode steel bar group (9) it is mating, every group of cathode steel bar sets a cathode steel bar exhaust fume collecting hood (6).
5. roasting aluminum electrolytic bath process glance coal gas collection controlling device according to claim 1, it is characterised in that：The drip
Green cigarette gas collection manifold trunk (3) is set to aluminium cell flue end, and caliber range exists Between, front end uses
Taper variable-diameter structure, and one tarvia delivery pipe (8) is set at its reducing position.
6. roasting aluminum electrolytic bath process glance coal gas collection controlling device according to claim 5, it is characterised in that：The drip
Green cigarette gas collection manifold trunk (3) connect with electrolytic purification system smoke exhaust pipe (11), and a silk screen demisting is arranged in the connecting portion
Device (4), the silk screen number of plies are 3~5 layers, and meshcount is 9~3000 mesh, the tar particles for being 3~35 μm for filtering grain size
Object.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721403092.3U CN207738862U (en) | 2017-10-27 | 2017-10-27 | A kind of roasting aluminum electrolytic bath process glance coal gas collection controlling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721403092.3U CN207738862U (en) | 2017-10-27 | 2017-10-27 | A kind of roasting aluminum electrolytic bath process glance coal gas collection controlling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207738862U true CN207738862U (en) | 2018-08-17 |
Family
ID=63114191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721403092.3U Active CN207738862U (en) | 2017-10-27 | 2017-10-27 | A kind of roasting aluminum electrolytic bath process glance coal gas collection controlling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207738862U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110042432A (en) * | 2019-05-05 | 2019-07-23 | 中南大学 | The closed gas collecting apparatus of aluminium cell |
| CN110552026A (en) * | 2019-09-27 | 2019-12-10 | 沈阳铝镁设计研究院有限公司 | Method for collecting gas through cathode steel bar window during roasting start of electrolytic cell |
| CN113481543A (en) * | 2021-08-04 | 2021-10-08 | 贵阳铝镁设计研究院有限公司 | Integral forming smoke exhaust device and method for cathode of electrolytic cell |
-
2017
- 2017-10-27 CN CN201721403092.3U patent/CN207738862U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110042432A (en) * | 2019-05-05 | 2019-07-23 | 中南大学 | The closed gas collecting apparatus of aluminium cell |
| CN110042432B (en) * | 2019-05-05 | 2020-06-05 | 中南大学 | Closed gas collecting device for aluminum electrolytic cell |
| CN110552026A (en) * | 2019-09-27 | 2019-12-10 | 沈阳铝镁设计研究院有限公司 | Method for collecting gas through cathode steel bar window during roasting start of electrolytic cell |
| CN113481543A (en) * | 2021-08-04 | 2021-10-08 | 贵阳铝镁设计研究院有限公司 | Integral forming smoke exhaust device and method for cathode of electrolytic cell |
| CN113481543B (en) * | 2021-08-04 | 2024-06-04 | 贵阳铝镁设计研究院有限公司 | Integral forming smoke exhausting device and method for cathode of electrolytic tank |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107653462A (en) | A kind of roasting aluminum electrolytic bath process glance coal gas collection administering method and device | |
| CN207738862U (en) | A kind of roasting aluminum electrolytic bath process glance coal gas collection controlling device | |
| CN113577944A (en) | Cleaning device is collected to impurity in boiler waste gas | |
| CN103007683B (en) | System and method for purifying flue gas in cathode electrode roasting kiln and recycling and reusing solid waste | |
| CN102743951B (en) | A kind of Asphalt smoke purification method and device | |
| CN203737398U (en) | Smoke dust removing device for glass kiln | |
| CN103523762B (en) | Yellow phosphorus production method and equipment | |
| CN202087199U (en) | Bitumen fume purifying device | |
| CN204996276U (en) | Forming machine oil smoke treatment facility | |
| CN106679442A (en) | Smelting furnace flue gas treatment device with raw material preheating function | |
| CN116440687A (en) | Purifying method and treating system for tail gas containing asphalt smoke | |
| CN206276718U (en) | A kind of system of utilization stalk repairing organic heavy-metal composite pollution soil | |
| CN206315625U (en) | The equipment for steam treatment of synthetic fibers | |
| CN205921050U (en) | Processing system is smelted to lead plaster | |
| CN204816014U (en) | Glance coal clarifier that embryo production was discharged is given birth to to prebake positive pole | |
| CN208493686U (en) | It is a kind of for purifying the device of baking carbon product flue gas | |
| CN110180294B (en) | Copper-phosphorus alloy smelting smoke dust treatment method and device | |
| CN209254487U (en) | A kind of cement kiln denitration chilling bypass system | |
| CN103272441B (en) | Two-stage integrated dust-collecting device for flue gas circulation of sintering machine | |
| CN207445869U (en) | A kind of flue gas and exhaust-gas treatment retracting device | |
| CN202355972U (en) | Chemical vapor deposition tail gas treating device | |
| CN109764344A (en) | A kind of bitumen flue gas comprehensive treatment system | |
| CN109453627A (en) | A kind of forging and stamping spraying process lampblack purifying system | |
| CN220624055U (en) | A high-efficient exhaust-gas treatment RTO equipment for coating mill | |
| CN204933181U (en) | Automatic temperature-control tier-framework building smoke eliminator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |