CN208872084U - A kind of aluminium melting furnace device for recovering tail gas - Google Patents
A kind of aluminium melting furnace device for recovering tail gas Download PDFInfo
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- CN208872084U CN208872084U CN201821306701.8U CN201821306701U CN208872084U CN 208872084 U CN208872084 U CN 208872084U CN 201821306701 U CN201821306701 U CN 201821306701U CN 208872084 U CN208872084 U CN 208872084U
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- melting furnace
- guiding groove
- horizontal segment
- tail gas
- discharge nozzle
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Abstract
The utility model relates to a kind of aluminium melting furnace device for recovering tail gas, exhaust pipe including being installed on melting furnace upper end, the exhaust pipe other end is inserted into exhaust gas processing pool, extraction fan wherein is installed in exhaust pipe, the exhaust pipe includes the vertical section that melting furnace upper end is arranged in, the horizontal segment of the tilting section and connection vertical section and tilting section that are inserted into exhaust gas processing pool, wherein a circle annulus is also welded on the inner arc wall of tilting section in horizontal segment, the horizontal segment bottom is provided with guiding groove along its length, the guiding groove bottom face is obliquely installed, and it is higher than the guiding groove bottom face close to tilting section close to the guiding groove bottom face of vertical section, the horizontal segment bottom is welded with the recovery tube of connection guiding groove and storage bin, wherein storage bin bottom is provided with the discharge nozzle extended in smelting furnace, the smelting furnace side Also set up reflux mechanism.The utility model can effectively be recycled aluminium melting furnace tail gas.
Description
Technical field
The utility model relates to regenerated aluminum smelting equipment technical field, in particular to a kind of aluminium melting furnace tail gas recycle dress
It sets.
Background technique
China's aluminium scrap regeneration mainly uses pyrometallurgical smelting, generates exhaust gas and is possible to the process impacted to environment
Mainly fusion process.In fusion process, the fuel of use mainly has coal, coke, heavy oil, diesel oil, coal gas, natural gas etc.,
Fuel after being combusted, contains the gases such as a large amount of flue dust and sulfur-bearing, carbon, phosphorus and nitrogen oxide, two in the exhaust gas of generation
Metal powder can be contained in secondary refinement raw material, can be also discharged with tail gas, existing tail gas unit is designed primarily directed to gas,
Cannot effectively the metal powder in tail gas be filtered and be recycled, easily cause environmental pollution.
Such as a kind of waste aluminum smelting furnace device for recovering tail gas of Patent No. CN205832939U, although can solve above-mentioned ask
Topic, but there is also some shortcomingss, and such as: 1, metal powder is recycled in smelting furnace and is returned by cavity and pipeline by it
It receives, but metal powder is easy to swim in molten aluminum surface, leads to oxidization of metal powder;2, it is by tail gas in exhaust pipe level
Section can be flowed along pipeline bottom surface, and the metal powder of entrained with falls through into sky from filter screen under self gravitation effect in tail gas
Chamber is simultaneously flow back into smelting furnace along pipeline along melting furnace wall, but the partial tail gas pipeline is horizontal, then resulting in
Metal powder in horizontal segment, which is uniformly spread, is dispersed in its bottom, and the metal powder being located in the horizontal segment of filter screen two sides is difficult to flow to
At filter screen and fall into cavity.
Summary of the invention
The purpose of this utility model is exactly to provide a kind of aluminium melting furnace device for recovering tail gas to solve the above-mentioned problems.
The technical issues of the utility model, is mainly addressed by following technical proposals:
A kind of aluminium melting furnace device for recovering tail gas, the exhaust pipe including being installed on melting furnace upper end, the exhaust pipe are another
One end is inserted into exhaust gas processing pool, and extraction fan is wherein equipped in exhaust pipe, and the exhaust pipe includes being arranged in melting
Vertical section, the tilting section in insertion exhaust gas processing pool and the horizontal segment for connecting vertical section and tilting section of furnace upper end, wherein horizontal
It is also welded with a circle annulus on the inner arc wall of tilting section in section, the horizontal segment bottom is provided with guidance along its length
Slot, the guiding groove bottom face are obliquely installed, and are higher than the guidance close to tilting section close to the guiding groove bottom face of vertical section
Slot bottom end face, the horizontal segment bottom are welded with the recovery tube of connection guiding groove and storage bin, and wherein storage bin bottom is provided with
Extend to the discharge nozzle in smelting furnace;
It further include the reflux mechanism that smelting furnace side is set, which includes that return pipe, outlet tube and setting exist
Electromagnetic pump and non-return valve on return pipe, and outlet tube setting is in smelting furnace bottom side, the feed end of the return pipe with go out
Liquid pipe connection, and its discharge end is connect with discharge nozzle.
Preferably, the outer arc wall of the annulus and the inner arc wall of horizontal segment are welded and fixed.
Preferably, control valve is installed on the discharge nozzle, wherein control valve going out between return pipe and storage bin
In expects pipe.
Preferably, the non-return valve is arranged close on the return pipe of discharge nozzle, wherein electromagnetic pump be located at non-return valve with
On return pipe between outlet tube.
Preferably, the connectivity part between the recovery tube and guiding groove is located at the lowermost end of guiding groove bottom face.
Preferably, control valve is installed on the outlet tube.
The beneficial effects of the utility model are:
1, annulus can will be located at metal powder on horizontal segment bottom wall and block, and prevent metal powder from flowing in beveled end, reach
The purpose in metal powder inflow exhaust gas processing pond for preventing from depositing in horizontal segment.
2, the molten aluminum in smelting furnace is smoked by electromagnetic pump, outlet tube and return pipe, and drains into smelting furnace from discharge nozzle
On top liquid level, it will be brought into from guiding groove along the metal powder that recovery tube, storage bin and discharge nozzle are flow back into smelting furnace
In molten aluminum, prevents it from swimming in smelting furnace and aoxidized in liquid surface.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
In figure: 1, smelting furnace, 2, exhaust pipe, 21, vertical section, 22, horizontal segment, 23, tilting section, 3, exhaust gas processing pool,
4, extraction fan, 5, annulus, 6, guiding groove, 7, recovery tube, 8, storage bin, 9, discharge nozzle, 10, reflux mechanism, 101, return pipe,
102, outlet tube, 103, electromagnetic pump, 104, non-return valve, 11, control valve.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
A kind of aluminium melting furnace device for recovering tail gas, the exhaust pipe 2 including being installed on 1 upper end of smelting furnace, the exhaust pipe 2
The other end is inserted into exhaust gas processing pool 3, extraction fan 4 is wherein equipped in exhaust pipe 2, and exhaust pipe 2 includes setting
Tilting section 23 and connection vertical section 21 and tilting section 23 in the vertical section 21 of 1 upper end of smelting furnace, insertion exhaust gas processing pool 2
Horizontal segment 22, the present embodiment extract the tail gas in smelting furnace 1 by extraction fan 4, and tail gas flows in exhaust pipe 2, wherein tail
Due to falling to bottom in horizontal segment 22 under self gravitation effect when the metal powder of entrained with passes through in horizontal segment 22 in gas
Storage, and gas then imports in the liquid medium in exhaust gas processing pool 3.
It is wherein provided with guiding groove 6 along its length in 22 bottom of horizontal segment, which is obliquely installed,
As shown in Figure 1,6 left side bottom end of guiding groove, which is higher than its right side bottom end, (namely refers to 6 bottom face of guiding groove close to vertical section 21
Higher than 6 bottom face of guiding groove close to tilting section 23), and be then welded with and 6 right side of guiding groove in 22 bottom right side of horizontal segment
The recovery tube 7 of bottom connection, and recovery tube 7 is connect with the storage bin 8 for being located at 22 lower section of horizontal segment, then when in horizontal segment 22
Due to being affected by gravity so that metal powder is fallen in horizontal segment 22 behind bottom, metal powder can be along the inner arc of horizontal segment 22
Wall slides into guiding groove 6, and wherein 6 bottom of guiding groove causes the metal powder for flowing into guiding groove 6 can be along it due to right low left high
Bottom bevel flows to its right side, and finally the connectivity part between guiding groove 6 and recovery tube 7 enters recovery tube 7 and flows into storage
Storage in case 8, while when metal powder circulates on 6 inclined floor of guiding groove, extraction fan 4 is formed by suction and also will drive
Metal powder moves right in guiding groove 6.
And it is welded with annulus 5 in 22 right end of horizontal segment, the 5 outer arc wall of annulus and the welding of 22 inner sidewall of horizontal segment are solid
Fixed, wherein annulus 5 can will be located at metal powder on 22 bottom wall of horizontal segment and block, and prevent metal powder from flowing in beveled end 23, reach
It was welded to the purpose for preventing the metal powder to deposit in horizontal segment 22 from flowing out from its right openings, while in 5 left end of annulus
Strainer prevents metal powder from flowing into tilting section 23.
Simultaneously in order to which the recycling metal powder in storage bin 8 is carried out volume recycling, so being welded in 8 bottom of storage bin
Extend to the discharge nozzle 9 in smelting furnace 1, then by discharge nozzle 9 by storage bin 8 metal powder import smelting furnace 1 in into
Row dissolves again to achieve the purpose that recycling, and 1 side of smelting furnace is provided with reflux mechanism 10, wherein the mechanism that flows back
10 include return pipe 101, outlet tube 102 and the electromagnetic pump 103 and non-return valve 104 being arranged on return pipe 101, as shown in Figure 1,
Outlet tube 102 is welded on 1 bottom bevel side of smelting furnace, and the feed end of return pipe 101 is connect with outlet tube 102, wherein returning
101 discharge end of flow tube connect with the discharge nozzle 9 being located above 1 cover board of smelting furnace, when passing through discharge nozzle 9 for the gold in storage bin 8
When belonging in powder importing smelting furnace 1, opens electromagnetic pump 103 and pass through return pipe 101 and outlet tube 102 for the liquid of 1 bottom of smelting furnace
Body be pumped into discharge nozzle 9 in, then from discharge nozzle 9 by metal powder import smelting furnace 1 in during, metal powder first with from
The liquid mixing that return pipe 101 is pumped into prevents to achieve the purpose that together to bring metal powder into smelting furnace 1 in molten aluminum
Aluminium skimmings swim in molten aluminum and aoxidize, while can flow backward Huis flow tube from the liquid that return pipe 101 is pumped into discharge nozzle 9 in order to prevent
101 or electromagnetic pump 103 in, so be equipped with non-return valve 104 on the return pipe close to discharge nozzle 9, wherein electromagnetic pump 103
On return pipe 101 between non-return valve 104 and outlet tube 102, non-return valve 104 can prevent return pipe 101 from going out in the process
Expect that the liquid in end flows backward in Huis flow tube 101.
As a preferred embodiment, control valve 11 is installed on discharge nozzle 9, wherein control valve 11 is located at return pipe and storage
It deposits on the discharge nozzle between case 8, is because importing the metal powder in storage bin 8 from guiding groove 6 and recovery tube 7 using the design
It cuts in and out, so that the metal powder amount entered in smelting furnace 1 through storage bin 8 and discharge nozzle 9 also cuts in and out, and storage bin 8
The mechanism 10 that the interior metal powder imported in smelting furnace 1 by discharge nozzle 9 needs to flow back extracts liquid and metal powder is dissolved mixing
Do not swim in it in smelting furnace 1 on liquid surface, but the work of mechanism 10 that makes to flow back for a long time is to the metal flowed through on a small quantity
Powder, which is mixed, not only to consume energy while also wasting its service life, so needing metal powder storing one in storage bin 8
It is together discharged into smelting furnace 1 after quantitative, the control valve 11 is opened when measuring in storage bin 8, so that the metal in storage bin 8 more
Powder is entered in smelting furnace 1 by discharge nozzle 9, while being opened reflux mechanism 10 and being imported 1 bottom liquid of smelting furnace in discharge nozzle 9
It mixes and is carried it into smelting furnace 1 in liquid with metal powder, prevent metal powder from swimming in liquid surface oxidation.
Control valve 11 is installed on outlet tube 102 in the present embodiment, when the mechanism 10 that flows back does not work, the control valve 11
It is to close outlet tube 102, prevents liquid in smelting furnace 1 from flowing backward into return pipe 101 and electromagnetic pump 103, and works as return current machine
When structure 10 works, which is opened, so that the electromagnetic pump 103 of work passes through outlet tube 102 and return pipe 101 for smelting furnace
1 bottom liquid is evacuated in discharge nozzle 9 and mixes with metal powder.
One embodiment of the utility model is described in detail above, but the content is only the utility model
Preferred embodiment should not be considered as limiting the scope of the present invention.It is all to be made according to application scope of the utility model
All the changes and improvements etc., should still belong within the patent covering scope of the utility model.
Claims (6)
1. a kind of aluminium melting furnace device for recovering tail gas, the exhaust pipe including being installed on melting furnace upper end, the exhaust pipe are another
End is inserted into exhaust gas processing pool, is wherein equipped with extraction fan in exhaust pipe, which is characterized in that the exhaust pipe includes setting
It sets the tilting section in the vertical section of melting furnace upper end, insertion exhaust gas processing pool and connects the horizontal segment of vertical section and tilting section,
It is also wherein welded with a circle annulus on the inner arc wall of tilting section in horizontal segment, the horizontal segment bottom is set along its length
It is equipped with guiding groove, which is obliquely installed, and is higher than close to the guiding groove bottom face of vertical section close to inclination
The guiding groove bottom face of section, the horizontal segment bottom are welded with the recovery tube of connection guiding groove and storage bin, wherein storage bin bottom
Portion is provided with the discharge nozzle extended in smelting furnace;
It further include the reflux mechanism that smelting furnace side is set, which includes that return pipe, outlet tube and setting are flowing back
Electromagnetic pump and non-return valve on pipe, and outlet tube is arranged in smelting furnace bottom side, the feed end and outlet tube of the return pipe
Connection, and its discharge end is connect with discharge nozzle.
2. a kind of aluminium melting furnace device for recovering tail gas according to claim 1, which is characterized in that the outer arc wall of the annulus
It is welded and fixed with the inner arc wall of horizontal segment.
3. a kind of aluminium melting furnace device for recovering tail gas according to claim 1, which is characterized in that installed on the discharge nozzle
There is control valve, wherein on discharge nozzle of the control valve between return pipe and storage bin.
4. a kind of aluminium melting furnace device for recovering tail gas according to claim 1, which is characterized in that the non-return valve is mounted on
Close on the return pipe of discharge nozzle, wherein on return pipe of the electromagnetic pump between non-return valve and outlet tube.
5. a kind of aluminium melting furnace device for recovering tail gas according to claim 1, which is characterized in that the recovery tube and guidance
Connectivity part between slot is located at the lowermost end of guiding groove bottom face.
6. a kind of aluminium melting furnace device for recovering tail gas according to claim 1, which is characterized in that installed on the outlet tube
There is control valve.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821306701.8U CN208872084U (en) | 2018-08-14 | 2018-08-14 | A kind of aluminium melting furnace device for recovering tail gas |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821306701.8U CN208872084U (en) | 2018-08-14 | 2018-08-14 | A kind of aluminium melting furnace device for recovering tail gas |
Publications (1)
Publication Number | Publication Date |
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CN208872084U true CN208872084U (en) | 2019-05-17 |
Family
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CN201821306701.8U Active CN208872084U (en) | 2018-08-14 | 2018-08-14 | A kind of aluminium melting furnace device for recovering tail gas |
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CN (1) | CN208872084U (en) |
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2018
- 2018-08-14 CN CN201821306701.8U patent/CN208872084U/en active Active
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