CN201176462Y - Fluidizing device of VRI flue gas adsorption reactor for electrolyzing aluminium by dry cleaning system - Google Patents
Fluidizing device of VRI flue gas adsorption reactor for electrolyzing aluminium by dry cleaning system Download PDFInfo
- Publication number
- CN201176462Y CN201176462Y CNU2007200813125U CN200720081312U CN201176462Y CN 201176462 Y CN201176462 Y CN 201176462Y CN U2007200813125 U CNU2007200813125 U CN U2007200813125U CN 200720081312 U CN200720081312 U CN 200720081312U CN 201176462 Y CN201176462 Y CN 201176462Y
- Authority
- CN
- China
- Prior art keywords
- stainless steel
- vri
- flue gas
- adsorptive reactor
- welded
- 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.)
- Expired - Lifetime
Links
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 29
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 28
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims description 42
- 239000003546 flue gas Substances 0.000 title claims description 42
- 239000004411 aluminium Substances 0.000 title abstract description 9
- 238000001179 sorption measurement Methods 0.000 title description 10
- 238000005108 dry cleaning Methods 0.000 title 1
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 67
- 239000010935 stainless steel Substances 0.000 claims abstract description 67
- 230000000274 adsorptive effect Effects 0.000 claims abstract description 38
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 29
- 238000005243 fluidization Methods 0.000 claims description 41
- 229910000679 solder Inorganic materials 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000009835 boiling Methods 0.000 abstract description 7
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 abstract description 7
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 239000000779 smoke Substances 0.000 abstract description 3
- 238000005299 abrasion Methods 0.000 abstract description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 10
- 229910052731 fluorine Inorganic materials 0.000 description 10
- 239000011737 fluorine Substances 0.000 description 10
- 239000007789 gas Substances 0.000 description 10
- 238000010521 absorption reaction Methods 0.000 description 8
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 8
- 238000000746 purification Methods 0.000 description 6
- 230000000391 smoking effect Effects 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 230000002950 deficient Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- IRPGOXJVTQTAAN-UHFFFAOYSA-N 2,2,3,3,3-pentafluoropropanal Chemical compound FC(F)(F)C(F)(F)C=O IRPGOXJVTQTAAN-UHFFFAOYSA-N 0.000 description 1
- 229910016569 AlF 3 Inorganic materials 0.000 description 1
- KLZUFWVZNOTSEM-UHFFFAOYSA-K Aluminum fluoride Inorganic materials F[Al](F)F KLZUFWVZNOTSEM-UHFFFAOYSA-K 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 1
- 239000002156 adsorbate Substances 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical compound [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 235000021050 feed intake Nutrition 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 150000004673 fluoride salts Chemical class 0.000 description 1
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002594 sorbent Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model relates to a gas handling device, in particular to a novel fluidizing device of an aluminium electrolysis dry method purifying system VRI smoke adsorptive reactor. The novel fluidizing device comprises an air duct connector, a flange, a stainless steel skeleton, a stainless steel mesh and a stainless steel bottom board, wherein the air duct connector is connected with a compressed air pipeline through the flange, one end of the stainless steel skeleton is welded and connected with the end portion of the air duct connector, the other end portion is welded and sealed with the stainless steel bottom board, the stainless steel mesh is sleeved outside the stainless steel skeleton, the end portion of the stainless steel skeleton is welded and fixedly connected with the outer end portion of the air duct connector, and the other end is welded and sealed with the stainless steel bottom board. The whole intensity of the fluidizing device is improved, the resistance to abrasion and the fluidizing and boiling ability are greatly improved, the resistance and the aluminum oxide broken rate are reduced, and the energy consumption is lowered. The fluidizing device is suitable for the dry method purifying system VRI smoke adsorptive reactor in the aluminium electrolysis production industry.
Description
Technical field
The utility model relates to a kind of smoke eliminator, specifically relates to a kind of fluidization equipment of novel electrolysis of aluminum dry purifying system VRI flue gas adsorptive reactor.
Background technology
The fluoro-gas that the aluminium cell of electrolytic aluminium factory produces in process of production, particle shape fluorochemical and other dust flue gas can carry out purifying treatment by dry purifying system.The process of purifying treatment be utilize the fresh sandy alumina powder of the raw materials for production surface-area of electrolysis of aluminum big, the characteristic of high adsorption capacity, with active higher fresh sandy alumina powder (Al
2O
3) (Chinese is " vertical diameter is to jet apparatus " through VRI flue gas adsorptive reactor at the absorption flue as sorbent material, English is VERTICAL RADIAL INJEBTOR, english abbreviation abbreviation VRI flue gas adsorptive reactor) sneaks into the electrolysis smoking gas containing fluorine, with fluorochemical in the electrolysis flue gas (mainly being hydrogen fluoride) is adsorbate, under the condition of setting, (comprise the conversion zone solid-gas ratio, reaction times, flue gas flow rate etc.), fresh sandy alumina and smoking gas containing fluorine full and uniform mixing in the absorption flue, (almost being in 0.1 second) finishes hydrofluoric abundant absorption reaction in the extremely short time, its absorption reaction process has chemisorption and physical adsorption, and the chemisorption reaction formula of HF is: Al
2O
3+ 6HF---2AlF
3+ 3H
2O obtains high fluorine purification efficiency, thereby reaches the purpose of aluminium electrolytic flue harmless emission, because the filteration of air-flow deceleration sedimentation and sack cleaner realizes that it purifies the product A l of removal process after gas, the solid separation
2O
3AlF
3Return electrolyzer as the electrolysis production raw material and replenish the fluorine element that loses in the electrolysis production process, use for Aluminium Electrolysis.VRI flue gas adsorptive reactor forms according to gas flow multipoint mode coning motion principle design, with the fresh sandy alumina that transports after stainless steel fluidization equipment boiling fluidization, go out by spraying overflow in the hollow cone porous eye, be a well-proportioned circular section, this moment, smoking gas containing fluorine fully contacted with fresh sandy alumina, uniform mixing, absorption reaction are adsorbed onto smoking gas containing fluorine on the alumina surface, generate aluminum fluoride.
Former dry purifying system VRI flue gas adsorptive reactor fluidization equipment is shown in figure one: be inner exoskeletal, adopt the stainless steel integrated filter screen of individual layer, there are many even, tiny fluidization boiling fluidization equipments of aperture on the surface.This VRI flue gas adsorptive reactor fluidization equipment exists following defective in the production operation of reality: 1, exoskeletal because of inside, adopt the stainless steel integrated filter screen of individual layer, cause that the fluidization equipment bulk strength is low, wear resistance is poor, reliability is lower.2, because of the boiling of fluidization uniformly of fluidization equipment surface does not quantitatively reach abundant, small with aperture, so low, the aluminum oxide percentage of damage height of fluidization equipment fluidised form boiling performance.These defectives evenly feed intake to cause and have a strong impact on adsorption system, can not fully to react adsorption efficiency low with carrying a fluorine flue gas to cause fresh aluminum oxide, the absorption reaction homogeneity is low, even serious wearing and tearing cause the VRI adsorptive reactor directly to lose efficacy, influence the recovery of dry purifying system purification efficiency and fluoride salt, cause the aluminum electrolysis flue gas purification weak effect, production cost increases, three important parameter (gas collecting efficiencies of dry purifying system have been had influence on, purification efficiency and efficiency of dust collection) finish, not only influenced efforts at environmental protection but also influenced electrolysis production worker's physical and mental health.So there is very big defective in design in original dry purifying system VRI flue gas adsorptive reactor fluidization equipment.
Summary of the invention
The technical problems to be solved in the utility model is at the deficiencies in the prior art, a kind of raising fluidization equipment bulk strength is provided, improve the homogeneity that adsorption system feeds intake, a fresh aluminum oxide and a year fluorine flue gas can fully be reacted, thereby improve the electrolysis of aluminum dry purifying system VRI flue gas adsorptive reactor fluidization equipment of adsorption efficiency.
A kind of electrolysis of aluminum dry purifying system of the utility model VRI flue gas adsorptive reactor fluidization equipment is achieved by following technical proposals:
A kind of electrolysis of aluminum dry purifying system of the utility model VRI flue gas adsorptive reactor fluidization equipment comprises wind channel tube joint, flange, stainless steel insert, Stainless Steel Cloth, stainless steel base plate, and described wind channel tube joint is connected with VRI flue gas adsorptive reactor fluidization equipment compressed air line by flange; Described VRII flue gas adsorptive reactor fluidization equipment internal layer stainless steel insert longitudinal edge is welded as cylindrical structure, the one end opening is sleeved on wind channel tube joint one end and is welded to connect the other end and stainless steel base plate solder up with the end of wind channel tube joint; The stainless steel insert skin is a Stainless Steel Cloth, and the Stainless Steel Cloth longitudinal edge is welded as cylindrical structure, is sleeved on the stainless steel insert outside, and the other end and stainless steel base plate solder up are fixedlyed connected with the outer end welding of wind channel tube joint in its end.
The utility model electrolysis of aluminum dry purifying system VRI flue gas adsorptive reactor fluidization equipment has following beneficial effect compared with prior art: the utility model adopts cage construction, and internal layer is a stainless steel insert, has improved the fluidization equipment bulk strength; Twine four layers of Stainless Steel Cloth at the stainless steel insert circumference, and grid is not overlapping, use the fluidization equipment surface to form even, small, the fine and closely woven used micropore of countless fluidization boilings, promoted the ability of abrasion resistance properties and fluid boiling greatly, reduce resistance and aluminum oxide percentage of damage, reduced energy consumption.The utility model VRI adsorptive reactor fluidization equipment is fit to the technical requirements of aluminium electrolytic flue dry purification process, fresh sandy alumina and the sufficient reacting purification efficiency height that carries the fluorine flue gas, improved the content of fluorine in the fluorinated alumina greatly, the flue gas after being purified discharge index has reached the design requirements of dry purifying system.Novel VRI adsorptive reactor fluidization equipment has that resistance is little, and energy consumption is low, and the aluminum oxide percentage of damage is low, and absorption reaction is even, is convenient to regulate solid-gas ratio, the high original characteristics of absorption reaction rate, and resistance consumption is 25mmH
2O, aluminum oxide percentage of damage only 5%.The utility model electrolysis of aluminum dry purifying system VRI flue gas adsorptive reactor fluidization equipment is applicable to the dry method adsorption cleaning VRI of system flue gas adsorptive reactor in the Aluminium Electrolysis industry.
Description of drawings
The utility model electrolysis of aluminum dry purifying system VRI flue gas adsorptive reactor fluidization equipment has following accompanying drawing:
Fig. 1 is the utility model electrolysis of aluminum dry purifying system VRI flue gas adsorptive reactor fluidization equipment structural representation;
Fig. 2 is that the utility model electrolysis of aluminum dry purifying system VRI flue gas adsorptive reactor fluidization equipment A is to structural representation.
Wherein: 1, air connection; 2, flange; 3, stainless steel insert; 4, Stainless Steel Cloth; 5, stainless steel base plate.
Embodiment
Below in conjunction with drawings and Examples the utility model electrolysis of aluminum dry purifying system VRI flue gas adsorptive reactor fluidization equipment technical scheme is further described.
As shown in Figure 1 and Figure 2, a kind of electrolysis of aluminum dry purifying system of the utility model VRI flue gas adsorptive reactor fluidization equipment comprises wind channel tube joint 1, flange 2, stainless steel insert 3, Stainless Steel Cloth 4, stainless steel base plate 5, and described wind channel tube joint 1 is connected with VRI flue gas adsorptive reactor fluidization equipment compressed air line by flange 2; Described VRII flue gas adsorptive reactor fluidization equipment internal layer stainless steel insert 3 longitudinal edges are welded as cylindrical structure, the one end opening is sleeved on wind channel tube joint 1 one ends and is welded to connect the other end and stainless steel base plate 5 solder ups with the end of wind channel tube joint 1; Stainless steel insert 3 skins are Stainless Steel Cloth 4, and Stainless Steel Cloth 4 longitudinal edges are welded as cylindrical structure, are sleeved on stainless steel insert 3 outsides, and the other end and stainless steel base plate 5 solder ups are fixedlyed connected with the outer end welding of wind channel tube joint 1 in its end.
Described Stainless Steel Cloth 4 is provided with four layers, and the diameter of every layer of Stainless Steel Cloth 4 is bigger than internal layer, and the thickness of Stainless Steel Cloth 4 is not less than 1mm, and every layer grid is not overlapping.
The hole of described stainless steel insert 3 surperficial uniform Φ 6.
Embodiment 1.
Described wind channel tube joint 1 is the wind channel tube joint 1 of former electrolysis of aluminum dry purifying system VRI flue gas adsorptive reactor fluidization equipment, is connected with VRI flue gas adsorptive reactor fluidization equipment compressed air line by the flange on it 2; Described VRII flue gas adsorptive reactor fluidization equipment internal layer stainless steel insert 3 longitudinal edges are welded as cylindrical structure, the one end opening is sleeved on wind channel tube joint 1 one ends and is welded to connect the other end and stainless steel base plate 5 solder ups with the end of wind channel tube joint 1; The hole of described stainless steel insert 3 surperficial uniform Φ 6.Stainless steel insert 3 skins are Stainless Steel Cloth 4, and Stainless Steel Cloth 4 longitudinal edges are welded as cylindrical structure, are sleeved on stainless steel insert 3 outsides, and the other end and stainless steel base plate 5 solder ups are fixedlyed connected with the outer end welding of wind channel tube joint 1 in its end.Described Stainless Steel Cloth 4 is provided with four layers, and the diameter of every layer of Stainless Steel Cloth 4 is bigger than internal layer, and the thickness of Stainless Steel Cloth 4 is not less than 1mm, and every layer grid is not overlapping.
This example is that example designs and produces with the VRI flue gas adsorptive reactor of the electrolysis of aluminum dry method adsorption cleaning Φ of system 250, only need change relative dimensions in the schema for other electrolysis of aluminum dry method adsorption cleaning VRI of system flue gas adsorptive reactor.
Claims (3)
1, a kind of electrolysis of aluminum dry purifying system VRI flue gas adsorptive reactor fluidization equipment, comprise wind channel tube joint (1), flange (2), stainless steel insert (3), Stainless Steel Cloth (4), stainless steel base plate (5), it is characterized in that: described wind channel tube joint (1) is connected with VRI flue gas adsorptive reactor fluidization equipment compressed air line by flange (2); Described VRI flue gas adsorptive reactor fluidization equipment internal layer stainless steel insert (3) longitudinal edge is welded as cylindrical structure, the one end opening is sleeved on wind channel tube joint (1) one end and is welded to connect the other end and stainless steel base plate (5) solder up with the end of wind channel tube joint (1); Stainless steel insert (3) skin is Stainless Steel Cloth (4), Stainless Steel Cloth (4) longitudinal edge is welded as cylindrical structure, be sleeved on stainless steel insert (3) outside, the other end and stainless steel base plate (5) solder up are fixedlyed connected with the outer end welding of wind channel tube joint (1) in its end.
2, electrolysis of aluminum dry purifying system VRI flue gas adsorptive reactor fluidization equipment according to claim 1, it is characterized in that: described Stainless Steel Cloth (4) is provided with four layers, the diameter of every layer of Stainless Steel Cloth (4) is bigger than internal layer, the thickness of Stainless Steel Cloth (4) is not less than 1mm, and every layer grid is not overlapping.
3, electrolysis of aluminum dry purifying system VRI flue gas adsorptive reactor fluidization equipment according to claim 1 is characterized in that: the hole of the surperficial uniform Φ 6 of described stainless steel insert (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200813125U CN201176462Y (en) | 2007-09-30 | 2007-09-30 | Fluidizing device of VRI flue gas adsorption reactor for electrolyzing aluminium by dry cleaning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200813125U CN201176462Y (en) | 2007-09-30 | 2007-09-30 | Fluidizing device of VRI flue gas adsorption reactor for electrolyzing aluminium by dry cleaning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201176462Y true CN201176462Y (en) | 2009-01-07 |
Family
ID=40216478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200813125U Expired - Lifetime CN201176462Y (en) | 2007-09-30 | 2007-09-30 | Fluidizing device of VRI flue gas adsorption reactor for electrolyzing aluminium by dry cleaning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201176462Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102061488B (en) * | 2009-11-12 | 2012-12-19 | 沈阳铝镁设计研究院有限公司 | Electrolytic flue gas dry purification system |
| CN105195008A (en) * | 2015-10-23 | 2015-12-30 | 河北金科环保设备有限公司 | Process and equipment for flue gas roasting, adsorption desulfurization, dust removal and purification by adopting combination process |
| CN105396421A (en) * | 2015-10-23 | 2016-03-16 | 河北金科环保设备有限公司 | Comprehensive adsorption and desulphurization dedusting purification method of baking flue gas |
-
2007
- 2007-09-30 CN CNU2007200813125U patent/CN201176462Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102061488B (en) * | 2009-11-12 | 2012-12-19 | 沈阳铝镁设计研究院有限公司 | Electrolytic flue gas dry purification system |
| CN105195008A (en) * | 2015-10-23 | 2015-12-30 | 河北金科环保设备有限公司 | Process and equipment for flue gas roasting, adsorption desulfurization, dust removal and purification by adopting combination process |
| CN105396421A (en) * | 2015-10-23 | 2016-03-16 | 河北金科环保设备有限公司 | Comprehensive adsorption and desulphurization dedusting purification method of baking flue gas |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090107 |