CN102735052A - Melting unit - Google Patents
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- CN102735052A CN102735052A CN2011100832521A CN201110083252A CN102735052A CN 102735052 A CN102735052 A CN 102735052A CN 2011100832521 A CN2011100832521 A CN 2011100832521A CN 201110083252 A CN201110083252 A CN 201110083252A CN 102735052 A CN102735052 A CN 102735052A
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Abstract
The invention discloses a melting unit comprising a melting furnace and a demister, wherein the melting furnace comprises a furnace body, a baffle, and a nozzle, wherein a furnace chamber is limited in the furnace body, the furnace body is provided with a feed opening, a flue gas outlet and a melt discharge opening; and the baffle is arranged in the furnace chamber for dividing the furnace chamber into a melting chamber and a settling chamber; and the nozzle is arranged on the side wall of the melting chamber; the demister comprises a shell, a driving shaft, a blade component and a driving device, wherein an inner cavity is limited in the shell, a smoke inlet is arranged on the bottom of the shell, and a smoke exhaust pipe is arranged on the top end of the shell; the driving shaft is stretched into the inner cavity from the top end of the shell; the blade component is installed on the driving shaft; and the driving device is connected with the driving shaft to drive the driving shaft. The melting unit disclosed by the invention reduces the energy consumption, reduces the pollution and improves the operating environment.
Description
Technical field
The present invention relates to a kind of melting unit, especially relate to a kind of vanadic anhydride melting unit that is used to melt the vanadic anhydride pulvis.
Background technology
Vanadium has purposes widely as a kind of non-ferrous metal.Vanadium usually from contain the vanadium material for example the vanadium slag form with vanadic anhydride extract.Vanadium slag is processed the vanadic anhydride tablet through roasting, leaching, drying, decomposition, oxidation and fusing.
Traditionally, extract drying, decomposition, the oxidation in the vanadium process and be melted in the equipment and carry out,, therefore in an equipment, cause hear rate high because the temperature of drying, decomposition, oxidation and fusing is different.And the flue dust in the flue gas (mainly comprising a small amount of vanadic anhydride pulvis and vanadic anhydride droplet) content is many, causes the rate of recovery of vanadium low, the wasting of resources, and seriously polluted, operating environment is poor.
Summary of the invention
The present invention is intended to one of solve the problems of the technologies described above at least.For this reason, one object of the present invention is to propose a kind of melting unit that is used to melt the vanadic anhydride pulvis, utilizes this melting unit that the vanadic anhydride pulvis is melted, and hear rate is low, pollute less, good operational environment.
To achieve these goals, comprise melting furnace and demister according to the melting unit of the embodiment of the invention, wherein said melting furnace comprises: body of heater, limit furnace chamber in the said body of heater, and said body of heater has charge door, exhanst gas outlet and melt outlet; Baffle plate, said baffle plate are arranged in the said furnace chamber so that said furnace chamber is divided into melting chamber and expansion chamber, and the upper end of wherein said baffle plate links to each other with the roof of said furnace chamber and the roof of the lower end of said baffle plate and said furnace chamber preset distance apart; And burner, said burner is arranged on the sidewall of said melting chamber; Wherein said demister comprises: housing, limit inner chamber in the said housing, and the top that the bottom of said housing is provided with mouth into and said housing is provided with pipe; Driving shaft, said driving shaft extend into the said inner chamber from the top of said housing; Blade part, said blade part are installed on the said driving shaft; And drive unit, said drive unit links to each other with said driving shaft and is used to drive said driving shaft rotation.
According to the melting unit of the embodiment of the invention, be used for the fusing of vanadic anhydride pulvis, thereby the fusing of vanadic anhydride pulvis is separated with drying, decomposition, the oxidation of extracting in the vanadium process, cut down the consumption of energy, reduced pollution, improved operating environment.And can the vanadic anhydride droplet in the flue gas be separated with flue gas, further improved the rate of recovery of vanadium, reduced pollution, improved operating environment.
In addition, melting unit according to the above embodiment of the present invention can also have following additional technical characterictic:
In one embodiment of the invention, said blade part comprises: impeller, said impeller are installed on the said driving shaft; And blade, said blade is installed on the lower surface of said impeller.
In one embodiment of the invention, said blade part is a plurality of, and said a plurality of blade parts are opened along the axially spaced-apart of said driving shaft and are installed on the said driving shaft.
In one embodiment of the invention, be distributed with through hole on the said impeller.
In one embodiment of the invention, be connected with the cold air access tube on the said pipe.
In one embodiment of the invention, said charge door is positioned at the top of said melting chamber, and said exhanst gas outlet is vertically spaced apart with said charge door along said body of heater, and said melt outlet is positioned at the end near said exhanst gas outlet of said body of heater.
In one embodiment of the invention, the height of said melting chamber is greater than the height of said expansion chamber.
In one embodiment of the invention; Said baffle plate is a plurality of; Said a plurality of baffle plate is longitudinally-spaced said expansion chamber is divided into a plurality of sub-expansion chambers along said body of heater; Wherein said exhanst gas outlet is positioned on the roof of said melting chamber expansion chamber farthest, and on the roof of the sub-expansion chamber adjacent with said melting chamber, is provided with auxiliary burning nozzle.
In one embodiment of the invention, the bottom surface of said furnace chamber is downward-sloping gradually along the direction from the melting chamber to the expansion chamber in the vertical, and the bottom surface of said furnace chamber is provided with the chase that extends longitudinally.
In one embodiment of the invention, said baffle plate is a heat-resisting steel sheet and plate.
Additional aspect of the present invention and advantage part in the following description provide, and part will become obviously from the following description, or recognize through practice of the present invention.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage obviously with are easily understood becoming the description of embodiment from combining figs, wherein:
Fig. 1 is the cross-sectional schematic of the melting furnace of melting unit according to an embodiment of the invention;
Fig. 2 is the cutaway view of said melting furnace along the line A-A among Fig. 1;
Fig. 3 is the cross-sectional schematic of the demister of melting unit according to an embodiment of the invention;
Fig. 4 is the sketch map of the blade part of demister shown in Figure 3; With
Fig. 5 is the partial schematic diagram of impeller of the blade part of demister shown in Figure 3.
The specific embodiment
Describe embodiments of the invention below in detail, the example of said embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Be exemplary through the embodiment that is described with reference to the drawings below, only be used to explain the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention; It will be appreciated that; The orientation of indications such as term " " center ", " vertically ", " laterally ", " on ", D score, " preceding ", " back ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward " or position relation are for based on orientation shown in the drawings or position relation; only be to describe with simplifying for the ease of describing the present invention; rather than the device or the element of indication or hint indication must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.In addition, term " first ", " second " only are used to describe purpose, and can not be interpreted as indication or hint relative importance.
In description of the invention, need to prove that unless otherwise prescribed and limit, term " installations ", " linking to each other ", " connection " should be done broad understanding, for example, can be fixed connections, also can be to removably connect; Can be directly to link to each other, also can link to each other indirectly, for those of ordinary skill in the art, can understand the concrete implication of above-mentioned term as the case may be through intermediary.
Melting unit according to inventive embodiments is described with reference to the drawings below, is used to melt vanadic anhydride, therefore, also can be called the vanadic anhydride melting unit according to the melting unit of the embodiment of the invention.Vanadic anhydride melting unit according to the embodiment of the invention comprises melting furnace 100 and demister 200.
At first, with reference to figure 1 and Fig. 2 the melting furnace 100 according to the vanadic anhydride melting unit of the embodiment of the invention is described.
According to one embodiment of the invention, vanadic anhydride melting furnace 100 comprises body of heater 101, baffle plate 103 and burner 102.Body of heater 101 for example comprises furnace shell and is arranged on refractory material or the heat-resisting steel sheet and plate 1014 in the furnace shell.Limit furnace chamber in the body of heater 101, body of heater 101 has charge door 1011, exhanst gas outlet 1012 and melt outlet 1013.
Baffle plate 103 is arranged in the said furnace chamber said furnace chamber is divided into melting chamber R and expansion chamber C; The upper end of baffle plate 103 link to each other with the roof of said furnace chamber and the roof of the lower end of baffle plate 103 and said furnace chamber at a distance of preset distance; In other words; The top of melting chamber R and expansion chamber C separates through partition wall 103, and the bottom of melting chamber R and expansion chamber C is communicated with.
Can be used for the fusing of vanadic anhydride pulvis with preparation vanadic anhydride tablet according to the vanadic anhydride melting furnace 100 of the embodiment of the invention, thereby the fusing of vanadic anhydride and drying, decomposition, oxidation in the vanadium leaching process are separated, reduce energy consumption.And; Because through baffle plate 103 inner chamber of melting furnace has been divided into melting chamber R and expansion chamber C, being melted in the melting chamber R of vanadic anhydride pulvis carried out, the vanadic anhydride entering expansion chamber C sedimentation after the fusing; Discharge through melt outlet 1013 at last; Therefore unfused vanadic anhydride pulvis and the vanadic anhydride droplet sedimentation in expansion chamber C that is contained in the fusing in the flue gas have reduced vanadic anhydride pulvis and the content of vanadic anhydride droplet in the flue gas that exhanst gas outlet 1012 discharges, have improved the rate of recovery of vanadium; Reduce pollution, improved operating environment.
In some embodiments of the invention; Charge door 1011 is positioned at the top of melting chamber R; Exhanst gas outlet 1012 is spaced apart with charge door 1011 along vertical (left and right directions among Fig. 1) of body of heater 101, and melt outlet 1013 is arranged in the end near exhanst gas outlet 1012 (left end of Fig. 1) of body of heater 101.Through with exhanst gas outlet 1012 and charge door 1011 spaced apart settings, make fusing and sedimentation influence each other and reduce, further reduced the content of the vanadic anhydride droplet of vanadic anhydride pulvis and fusing in the flue gas.
As illustrated in fig. 1 and 2, preferably, the height of melting chamber R can melt greater than the height of expansion chamber C thus better.Burner 102 can for example illustrate two for a plurality of and spaced apart on above-below direction in Fig. 1 and Fig. 2, further improve the effect of fusing.
In preferred embodiments more of the present invention, baffle plate 103 is a plurality of, and a plurality of baffle plates 103 are longitudinally-spaced expansion chamber C is divided into a plurality of sub-expansion chambers along body of heater 101; As shown in Figure 1; In body of heater 101, be provided with two baffle plates 103, thereby expansion chamber C is divided into two sub-expansion chamber C1, C2.Exhanst gas outlet 1012 is located on the roof of melting chamber R expansion chamber C2 farthest, and on the roof of the sub-expansion chamber C1 adjacent with melting chamber R, is provided with auxiliary burning nozzle 104.Through expansion chamber C being divided into a plurality of sub-expansion chambers, can carry out multistage sedimentation, further improved effect of settling, the vanadic anhydride pulvis in the reduction flue gas and the content of vanadic anhydride droplet reduce and pollute, and improve operating environment.Through auxiliary burning nozzle 104 is set, can the unfused vanadic anhydride pulvis that get in the sub-expansion chamber C1 be melted once more, improved the fusing effect, reduced the amount of vanadic anhydride pulvis in the flue gas.
Baffle plate 103 for example can be processed by heat-resisting steel sheet and plate, makes thus simply, and it is convenient to change.
As illustrated in fig. 1 and 2; Emission effect for the vanadic anhydride that improves fusing; The bottom surface of furnace chamber is downward-sloping gradually along the direction from melting chamber R to expansion chamber C in the vertical; And can on the bottom surface of furnace chamber, be provided with the chase 1014 that extends longitudinally, the left end of chase 1014 links to each other with melt outlet 1013, has made things convenient for the discharge of melt (vanadic anhydride of fusion).
The following demister 200 of describing the vanadic anhydride melting unit with reference to figure 3-5.
According to one embodiment of the invention, demister 200 comprises housing 201, driving shaft 202, blade part 203 and drive unit 205.
As shown in Figure 3, limit inner chamber in the housing 201, the top that the bottom of housing 201 is provided with mouth 2012 into and housing 201 is provided with pipe 2011.Driving shaft 202 extend into the said inner chamber from the top of housing 201.Blade part 203 is installed on the driving shaft 202, and drive unit 205 links to each other with driving shaft 202 and is used to drive driving shaft 202 rotations, thereby drives blade part 203 rotations that are installed on the driving shaft 202.As shown in Figure 3, in an example of the present invention, drive unit 205 is a motor, and this motor drives driving shaft 202 through belt transmission.For example, on the axle of motor, first belt pulley 206 is installed, second belt pulley, 208, the first belt pulleys 206 is installed on driving shaft 202 links to each other through belt 207 with second belt pulley 208.Through adopting belt transmission, motor 205 can be provided with away from driving shaft 202, thereby reduces heat in the housing 201 to the adverse effect of motor.
According to the demister 200 of the embodiment of the invention, simple in structure, be connected to the vanadic anhydride melting furnace during use; The flue gas that comes from the melting furnace gets into demister 200, and through colliding with blade part 203, the vanadic anhydride droplet in the flue gas falls and turns back in the melting furnace; Improved the rate of recovery of vanadium; Reduce the content of the vanadic anhydride in the flue gas, reduced dust in flue gas, improved environmental-protecting performance.
In one embodiment of the invention, shown in Fig. 3-5, blade part 203 comprises impeller 2032 and blade 2031, and impeller 2032 is installed on the driving shaft 202, and shown in Fig. 3-5, impeller 2032 has centre bore 2033, and driving shaft 202 is engaged in the centre bore 2033.Blade 2031 is installed on the lower surface of impeller 2032, and driving shaft 202 drives blade 2031 rotations through impeller 2032 thus, and blade 2031 and flue gas collision fall the vanadic anhydride droplet in the flue gas.Preferably, impeller 2032 is distributed with a plurality of through holes 2034, and through hole 2034 can be distributed on the impeller 2032 regularly.More specifically, impeller 2032 is divided into 8 fan sections, the through hole 2034 in each fan section distributes regularly.Through on impeller 2032, forming through hole 2034, can help flue gas and move up through through hole 2034.In the example shown in Fig. 3-5, in each through hole 2034, be welded with a bit of siphunculus respectively, can further improve the foam removal effect thus.
As shown in Figure 3; In a preferred embodiment of the invention; Blade part 203 is a plurality of; A plurality of blade parts 203 are opened along the axially spaced-apart of driving shaft 202 and are installed in driving shaft 202, and a plurality of thus blade parts 203 carry out multistage collision with flue gas, further improve the effect of removing the vanadic anhydride droplet in the flue gas.
In a concrete example of the present invention; Pipe 2011 is two and with respect to driving shaft 202 symmetric arrangement, is connected with cold air access tube 204 on the pipe 2011, is used in pipe 2011, infeeding cold air gets into pipe 2011 with chilling flue gas; Vanadic anhydride droplet remaining in the flue gas is solidified become solid, powdery; Further reduce the content of the vanadic anhydride in the flue gas, improved the rate of recovery of vanadium, reduced the dustiness in the flue gas; Reduce pollution, improved operating environment.
Below the simple operation of describing according to the vanadic anhydride melting unit of the embodiment of the invention.
In melting chamber R, spray into coal gas and oxygen to heating in the melting chamber R through burner 1012; For example be heated to 800-850 degree centigrade temperature; The vanadic anhydride pulvis is joined in the melting chamber R from charge door 1011, be heated fusing in the process that the vanadic anhydride pulvis descends in melting chamber R.
The vanadic anhydride of fusing flows to 1013 discharges of melt outlet along the bottom surface of furnace chamber, and melt outlet 1013 can link to each other with pelleter and carry out film-making, thereby obtains the vanadic anhydride tablet.
Flue gas and unfused vanadic anhydride pulvis and the vanadic anhydride droplet that is contained in the fusing in the flue gas get in the sub-expansion chamber C1 from the slit of melting chamber R below the baffle plate of the rightmost side; In sub-expansion chamber C1, spray coal gas and oxygen through auxiliary burning nozzle 104; Thereby unfused vanadic anhydride pulvis is carried out the assistant heating fusing, and the vanadic anhydride melt-flow of fusing is discharged to melt outlet 1013 once more.
Flue gas and remaining a small amount of vanadic anhydride pulvis and be contained in vanadic anhydride droplet in the flue gas and get into sub-expansion chamber C2 from the slit of sub-expansion chamber C1 through next baffle plate 103 below and carry out sedimentation once more, flue gas is from exhanst gas outlet 1012 discharges then.
The flue gas of discharging from exhanst gas outlet 1012 is from advancing the inner chamber that mouth 2012 gets into housings 201; 203 rotations of drive unit 205 driven vane parts; Flue gas collides with blade 2031 in the process that rises; Vanadic anhydride droplet in the flue gas falls and separates with flue gas, and the through hole 2034 that flue gas passes on the impeller 2032 moves up, step by step with blade 2031 collisions.At last, flue gas gets into pipe 2011, supplies with cold air through cold air access tube 204 to advancing mouth 2012 simultaneously, so that flue gas is carried out chilling, vanadic anhydride droplet remaining in the flue gas is frozen into powdery falls in the melting furnace, and flue gas is discharged demister 200.
According to the vanadic anhydride melting unit of the embodiment of the invention, through repeatedly sedimentation and the auxiliary smoke content that has reduced from the flue gas that exhanst gas outlet 1012 is discharged that melts, reduced pollution, improved operating environment.And, in the vanadic anhydride melting furnace of the embodiment of the invention, only carry out the heat fused of vanadic anhydride pulvis, for example temperature can be controlled in 800-850 degree centigrade the scope, has reduced energy consumption.
Through demister flue gas is separated with wherein vanadic anhydride; And through chilling vanadic anhydride droplet remaining in the flue gas is solidified and become solid, powdery; Further reduce the content of the vanadic anhydride in the flue gas, improved the rate of recovery of vanadium, reduced the dustiness in the flue gas; Reduce pollution, improved operating environment.
In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means the concrete characteristic, structure, material or the characteristics that combine this embodiment or example to describe and is contained at least one embodiment of the present invention or the example.In this manual, the schematic statement to above-mentioned term not necessarily refers to identical embodiment or example.And concrete characteristic, structure, material or the characteristics of description can combine with suitable manner in any one or more embodiment or example.
Although illustrated and described embodiments of the invention; Those having ordinary skill in the art will appreciate that: under the situation that does not break away from principle of the present invention and aim, can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present invention is limited claim and equivalent thereof.
Claims (10)
1. a melting unit is characterized in that, comprising:
Melting furnace, said melting furnace comprises:
Body of heater limits furnace chamber in the said body of heater, and said body of heater has charge door, exhanst gas outlet and melt outlet;
Baffle plate, said baffle plate are arranged in the said furnace chamber so that said furnace chamber is divided into melting chamber and expansion chamber, and the upper end of wherein said baffle plate links to each other with the roof of said furnace chamber and the roof of the lower end of said baffle plate and said furnace chamber preset distance apart; With
Burner, said burner are arranged on the sidewall of said melting chamber; And demister, said demister comprises:
Housing limits inner chamber in the said housing, and the top that the bottom of said housing is provided with mouth into and said housing is provided with pipe;
Driving shaft, said driving shaft extend into the said inner chamber from the top of said housing;
Blade part, said blade part are installed on the said driving shaft; With
Drive unit, said drive unit link to each other with said driving shaft and are used to drive said driving shaft rotation.
2. melting unit according to claim 1 is characterized in that, said blade part comprises:
Impeller, said impeller are installed on the said driving shaft; With
Blade, said blade is installed on the lower surface of said impeller.
3. melting unit according to claim 2 is characterized in that, said blade part is a plurality of, and said a plurality of blade parts are opened along the axially spaced-apart of said driving shaft and are installed on the said driving shaft.
4. melting unit according to claim 2 is characterized in that, is distributed with through hole on the said impeller.
5. melting unit according to claim 1 is characterized in that, is connected with the cold air access tube on the said pipe.
6. melting unit according to claim 1; It is characterized in that; Said charge door is positioned at the top of said melting chamber, and said exhanst gas outlet is vertically spaced apart with said charge door along said body of heater, and said melt outlet is positioned at the end near said exhanst gas outlet of said body of heater.
7. melting unit according to claim 6 is characterized in that the height of said melting chamber is greater than the height of said expansion chamber.
8. melting unit according to claim 7; It is characterized in that; Said baffle plate is a plurality of; Said a plurality of baffle plate is longitudinally-spaced said expansion chamber is divided into a plurality of sub-expansion chambers along said body of heater, and wherein said exhanst gas outlet is positioned on the roof of said melting chamber expansion chamber farthest, and on the roof of the sub-expansion chamber adjacent with said melting chamber, is provided with auxiliary burning nozzle.
9. melting unit according to claim 1 is characterized in that, the bottom surface of said furnace chamber is downward-sloping gradually along the direction from the melting chamber to the expansion chamber in the vertical, and the bottom surface of said furnace chamber is provided with the chase that extends longitudinally.
10. melting unit according to claim 1 is characterized in that, said baffle plate is a heat-resisting steel sheet and plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201110083252.1A CN102735052B (en) | 2011-04-01 | 2011-04-01 | Melting unit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110083252.1A CN102735052B (en) | 2011-04-01 | 2011-04-01 | Melting unit |
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| CN102735052A true CN102735052A (en) | 2012-10-17 |
| CN102735052B CN102735052B (en) | 2015-05-06 |
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| CN201110083252.1A Active CN102735052B (en) | 2011-04-01 | 2011-04-01 | Melting unit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105091578A (en) * | 2015-08-31 | 2015-11-25 | 苏州富通高新材料科技股份有限公司 | Fusion device used for panel processing |
| CN109205675A (en) * | 2018-11-23 | 2019-01-15 | 承德燕北冶金材料有限公司 | A kind of production system and method for ammonium poly-vanadate production vanadic anhydride |
| CN109253623A (en) * | 2017-07-12 | 2019-01-22 | 上海宝钢工业技术服务有限公司 | V2O5The furnace tail barrier wall structure of fuse piece furnace |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105091578A (en) * | 2015-08-31 | 2015-11-25 | 苏州富通高新材料科技股份有限公司 | Fusion device used for panel processing |
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| CN109253623A (en) * | 2017-07-12 | 2019-01-22 | 上海宝钢工业技术服务有限公司 | V2O5The furnace tail barrier wall structure of fuse piece furnace |
| CN109205675A (en) * | 2018-11-23 | 2019-01-15 | 承德燕北冶金材料有限公司 | A kind of production system and method for ammonium poly-vanadate production vanadic anhydride |
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|---|---|
| CN102735052B (en) | 2015-05-06 |
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