CN102951450A - High-temperature smoke dust conveying system and high-temperature smoke dust conveying method - Google Patents
High-temperature smoke dust conveying system and high-temperature smoke dust conveying method Download PDFInfo
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- CN102951450A CN102951450A CN2012104607616A CN201210460761A CN102951450A CN 102951450 A CN102951450 A CN 102951450A CN 2012104607616 A CN2012104607616 A CN 2012104607616A CN 201210460761 A CN201210460761 A CN 201210460761A CN 102951450 A CN102951450 A CN 102951450A
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Abstract
The invention discloses a high-temperature smoke dust conveying system and a high-temperature smoke dust conveying method. The high-temperature smoke dust conveying system comprises a first conveyer, a crusher, a third conveyer, a fan, a cyclone dust collector, a bag dust collector and a second conveyer, wherein the first conveyer is provided with a first feed port, a second feed port, a first discharge port and a second discharge port; a feed port of the crusher is arranged below the second discharge port; the third conveyer is respectively connected with a discharge port and a second feed port of the crusher; the fan is connected with the first discharge port of the first conveyer through a negative-pressure pipeline and is used for generating a negative pressure; the cyclone dust collector is arranged on the negative-pressure pipeline; the bag dust collector is arranged on the negative-pressure pipeline, and furthermore, is positioned between the cyclone dust collector and the fan; and the second conveyer is respectively connected with a discharge port of the cyclone dust collector and a discharge port of the bag dust collector. The high-temperature smoke dust conveying system according to the embodiment of the invention has the advantages of simple structure, low manufacturing cost, low running cost, high safety, high degree of automation, high conveying efficiency and the like.
Description
Technical field
The present invention relates to a kind of high-temperature smoke delivery system and high-temperature smoke carrying method.
Background technology
At present, the high-temperature dust-containing flue gas of metallurgical furnace generation is processed with fume treatment auxiliaries such as waste heat boiler, electrostatic precipitators.The high-temperature smoke that these equipment are collected adopts embedded scraper transporter that high-temperature smoke is concentrated and delivers in the flue dust tank owing to containing lump material, after flue dust cool off naturally, manually with forklift transport crushing plant extremely independently, returns metallurgical furnace by the malleation conveying again.The defectives such as there is complex process in this method, and the trouble point is many, and maintenance workload is large.And intermediate demand is repeatedly manually had bad luck, and usually causes flue dust excessive, loses valuable metal, and is unfavorable for cleaner production and the environmental protection of factory, expends a large amount of manpower and materials.
Summary of the invention
The present invention one of is intended to solve the problems of the technologies described above at least to a certain extent or provides at least a kind of useful commerce to select.For this reason, one object of the present invention is to propose a kind of simple in structure, low cost of manufacture, operating cost is low, safe, degree of automation is high, transport efficiency is high high-temperature smoke delivery system.
Another object of the present invention is to propose a kind of method of utilizing described high-temperature smoke delivery system to carry high-temperature smoke.
For achieving the above object, embodiment according to a first aspect of the invention proposes a kind of high-temperature smoke delivery system, described high-temperature smoke delivery system comprises: the first conveyer, described the first conveyer has the first and second inlet points and the first and second discharging openings, and described the second discharging opening is corresponding with described the first discharging opening; Crusher, the inlet point of described crusher are located at described the second discharging opening below and relative with described the second discharging opening on above-below direction, and the inlet point of described crusher and described the second discharging opening are spaced apart; The 3rd conveyer, described the 3rd conveyer link to each other with described the second inlet point with the discharging opening of described crusher respectively; Blower fan, described blower fan links to each other for generation of negative pressure with the first discharging opening of described the first conveyer by negative pressure line; Rotoclone collector, described rotoclone collector are located on the described negative pressure line and between first discharging opening and described blower fan of described the first conveyer; Bagroom, described bagroom are located on the described negative pressure line and between described rotoclone collector and described blower fan; And second conveyor, described second conveyor links to each other with the discharging opening of described rotoclone collector and the discharging opening of described bagroom respectively.
According to the high-temperature smoke delivery system of the embodiment of the invention by described blower fan is set, thereby the negative pressure that can utilize described blower fan to produce is carried high-temperature smoke.With utilize malleation and carry high-temperature smoke to compare, described high-temperature smoke delivery system need not to arrange the parts such as high-pressure delivery pump, pressure transfer pot, high pressure gas generator, also need not magnitude setting numerous Pneumatic/electric sealing and controlled valve, not only simplified thus the structure of described high-temperature smoke delivery system, reduced the manufacturing cost of described high-temperature smoke delivery system, and the trouble point of having reduced described high-temperature smoke delivery system, reduced the operating cost of described high-temperature smoke delivery system.
And by described blower fan is set, the air that can utilize described blower fan to suck cools to high-temperature smoke.Because the normal temperature low-pressure air is more even with mixing of Powdered high-temperature smoke during the Powdered high-temperature smoke of negative pressure transportation, and the employed low-pressure air amount of the Powdered high-temperature smoke of unit mass is greater than the employed high pressure air amount of the Powdered high-temperature smoke of malleation convey unit quality, therefore according to the high-temperature smoke delivery system of the embodiment of the invention can be rapidly, effectively Powdered high-temperature smoke is lowered the temperature, thereby guaranteed the safe operation of described high-temperature smoke delivery system.Negative pressure transportation high-temperature smoke by utilizing described blower fan to produce can prevent that high-temperature smoke is excessive, not only can stop thus the loss of valuable element, and can avoid the high-temperature smoke contaminated environment.In addition, also have the degree of automation advantages of higher according to the high-temperature smoke delivery system of the embodiment of the invention, greatly improved the transport efficiency of high-temperature smoke, saved manpower.Wherein, the traffic capacity of described high-temperature smoke delivery system can reach 50 tons/hour.
In addition, according to the high-temperature smoke delivery system of the embodiment of the invention by at described the first conveyer described the second discharging opening being set, thereby can utilize the air that sucks from described the second discharging opening automatically Powdered high-temperature smoke to be separated with block high-temperature smoke.Wherein, the air that Powdered high-temperature smoke is inhaled into is transported to described rotoclone collector, and block high-temperature smoke falls in the described crusher.
According to the high-temperature smoke delivery system of the embodiment of the invention by described crusher is set, thereby can carry out fragmentation in order to obtain Powdered high-temperature smoke (be about to block high-temperature smoke and be crushed to the granularity that negative pressure transportation requires) to block high-temperature smoke.The Powdered high-temperature smoke that fragmentation obtains can be delivered to by described the 3rd conveyer the second inlet point of described the first conveyer, and then is transported to the first discharging opening of described the first conveyer, then enters in the described negative pressure line under the effect of negative pressure.That is to say, according to the high-temperature smoke delivery system of the embodiment of the invention can be rapidly, effectively the high-temperature smoke that contains block high-temperature smoke is carried.
In addition, high-temperature smoke delivery system according to the above embodiment of the present invention can also have following additional technical characterictic:
According to one embodiment of present invention, described high-temperature smoke delivery system also comprises material grinder, and the inlet point of described material grinder links to each other with the discharging opening of described crusher and the discharging opening of described material grinder links to each other with described the 3rd conveyer.By described material grinder is set, can carry out levigate in order to make flue dust reach the granularity that negative pressure transportation requires to the flue dust after described crusher in crushing.
According to one embodiment of present invention, described crusher is toothed roll crusher, and described material grinder is ball grinding mill, and described the 3rd conveyer is bucket elevator.
According to one embodiment of present invention, described rotoclone collector is a plurality of, a plurality of described rotoclone collector series connection and/or in parallel.Can improve thus the traffic capacity of described high-temperature smoke delivery system.
According to one embodiment of present invention, the bottom of described rotoclone collector is provided with disposal box and hollow isolation cone.Can reduce thus and leak out and reentrainment of dust, improve the dust-collecting efficiency of described rotoclone collector.
According to one embodiment of present invention, described bagroom has a plurality of ash buckets.Can reduce thus the height of described bagroom, reduce the space that described bagroom takies.
According to one embodiment of present invention, described high-temperature smoke delivery system also comprises the flue dust storehouse, the inlet point in described flue dust storehouse links to each other with the discharging opening of described rotoclone collector and the discharging opening of described bagroom respectively, and the discharging opening in described flue dust storehouse links to each other with described second conveyor.By described flue dust storehouse is set, the flue dust of described rotoclone collector and the collection of described bagroom temporarily can be stored in the described flue dust storehouse, can make thus the fume amount that is transported to metallurgical furnace stable.
According to one embodiment of present invention, described the first conveyer is conveyor screw, and described second conveyor is embedded scraper transporter.
According to one embodiment of present invention, described the first conveyer is provided with the first variable-frequency governor, and described second conveyor is provided with the second variable-frequency governor.Can utilize thus described the first variable-frequency governor to regulate the fume amount that described the first conveyer is carried, can utilize described the second variable-frequency governor to regulate the fume amount that described second conveyor is carried.
Embodiment according to a second aspect of the invention proposes the method that a kind of utilization is carried high-temperature smoke according to the described high-temperature smoke delivery system of first aspect present invention, described method comprises: A) the first inlet point to described the first conveyer provides block high-temperature smoke and Powdered high-temperature smoke, and then described block high-temperature smoke and described Powdered high-temperature smoke are transported to the first discharging opening of described the first conveyer; B) start described blower fan in order in described negative pressure line, produce negative pressure, described Powdered high-temperature smoke enters described rotoclone collector and described bagroom successively by described negative pressure line under the effect of negative pressure, and described block high-temperature smoke enters in the described crusher by described the second discharging opening; C) utilize described crusher that described block high-temperature smoke is carried out fragmentation to obtain Powdered high-temperature smoke, then the Powdered high-temperature smoke that utilizes described the 3rd conveyer that fragmentation is obtained is delivered to described the second inlet point, then the broken Powdered high-temperature smoke that obtains is transported to described the first discharging opening, and the broken Powdered high-temperature smoke that obtains enters described rotoclone collector and described bagroom successively by described negative pressure line under the effect of negative pressure; And D) utilize described rotoclone collector and described bagroom to collect Powdered high-temperature smoke, and the Powdered high-temperature smoke that utilizes described second conveyor to collect is delivered to destination device.
Method according to the conveying high-temperature smoke of the embodiment of the invention is carried high-temperature smoke by the negative pressure of utilizing described blower fan to produce, thereby can be rapidly, effectively the high-temperature smoke that contains block high-temperature smoke is carried, reduce the conveying cost of high-temperature smoke, improve the transport efficiency of high-temperature smoke, stopping valuable element runs off, avoid the high-temperature smoke contaminated environment, improve degree of automation and safety.
Additional aspect of the present invention and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage are from obviously and easily understanding becoming the description of embodiment in conjunction with following accompanying drawing, wherein:
Fig. 1 is the structural representation according to the high-temperature smoke delivery system of the embodiment of the invention; With
Fig. 2 is the diagram of circuit according to the high-temperature smoke carrying method of the embodiment of the invention.
High-temperature smoke delivery system 1, the first conveyer 10, the first inlet point 11, the first discharging opening 12, the second inlet point 13, the second discharging opening 14, blower fan 20, negative pressure line 30, rotoclone collector 40, rotoclone collector discharge duct 41, rotoclone collector discharge valve 42, bagroom 50, bagroom discharge duct 51, bagroom discharge valve 52, the first ash bucket 53, the second ash bucket 54, second conveyor 60, crusher 70, the inlet point 71 of crusher 70, the 3rd conveyer 80, material grinder 90, flue dust storehouse 100
The specific embodiment
The below describes embodiments of the invention in detail, and the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment that is described with reference to the drawings, be intended to for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, it will be appreciated that, term " " center "; " vertically "; " laterally "; " length "; " width "; " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " cw ", orientation or the position relationship of indications such as " conter clockwises " are based on orientation shown in the drawings or position relationship, only be for convenience of description the present invention and simplified characterization, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as limitation of the present invention.
In addition, term " first ", " second " only are used for describing purpose, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the invention, the implication of " a plurality of " is two or more, unless clear and definite concrete restriction is arranged in addition.
In the present invention, unless clear and definite regulation and restriction are arranged in addition, broad understanding should be done in the terms such as term " installation ", " linking to each other ", " connection ", " fixing ", for example, can be captive joint, also can be to removably connect, or connect integratedly; Can be mechanical connection, also can be to be electrically connected; Can be directly to link to each other, also can indirectly link to each other by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can understand as the case may be above-mentioned term concrete meaning in the present invention.
In the present invention, unless clear and definite regulation and restriction are arranged in addition, First Characteristic Second Characteristic it " on " or D score can comprise that the first and second features directly contact, can comprise that also the first and second features are not directly contacts but by the other feature contact between them.And, First Characteristic Second Characteristic " on ", " top " and " above " comprise First Characteristic directly over Second Characteristic and oblique upper, or only represent that the First Characteristic level height is higher than Second Characteristic.First Characteristic Second Characteristic " under ", " below " and " below " comprise First Characteristic under the Second Characteristic and tiltedly, or only represent that the First Characteristic level height is less than Second Characteristic.
Below with reference to the high-temperature smoke delivery system 1 of Fig. 1 description according to the embodiment of the invention.As shown in Figure 1, the high-temperature smoke delivery system 1 according to the embodiment of the invention comprises the first conveyer 10, crusher 70, the 3rd conveyer 80, blower fan 20, rotoclone collector 40, bagroom 50 and second conveyor 60.
It is corresponding with the first discharging opening 12 that the first conveyer 10 has the first inlet point 11 and the second inlet point 13 and the first discharging opening 12 and the second discharging opening 14, the second discharging openings 14.The inlet point 71 of crusher 70 is located at the second discharging opening 14 belows of the first conveyer 10, and the inlet point 71 of crusher 70 is upper relative with the second discharging opening 14 of the first conveyer 10 at above-below direction (above-below direction is shown in the arrow E among Fig. 1), and the second discharging opening 14 of the inlet point 71 of crusher 70 and the first conveyer 10 is spaced apart.The 3rd conveyer 80 links to each other with the discharging opening of crusher 70 and the second inlet point 13 of the first conveyer 10 respectively.
Describe the method for utilizing according to the high-temperature smoke delivery system 1 conveying high-temperature smoke of the embodiment of the invention below with reference to Fig. 2, described method comprises:
A) the first inlet point 11 to the first conveyer 10 provides block high-temperature smoke and Powdered high-temperature smoke, and then described block high-temperature smoke and described Powdered high-temperature smoke are transported to the first discharging opening 12 of the first conveyer 10;
B) start blower fan 20 so that in negative pressure line 30 interior generation negative pressure, described Powdered high-temperature smoke enters rotoclone collector 40 and bagroom 50 successively by negative pressure line 30 under the effect of negative pressure, and described block high-temperature smoke enters in the crusher 70 by the second discharging opening 14;
C) utilize 70 pairs of described block high-temperature smokes of crusher to carry out fragmentation to obtain Powdered high-temperature smoke, then the Powdered high-temperature smoke that utilizes the 3rd conveyer 80 that fragmentation is obtained is delivered to the second inlet point 13, then the broken Powdered high-temperature smoke that obtains is transported to the first discharging opening 12, and the broken Powdered high-temperature smoke that obtains enters rotoclone collector 40 and bagroom 50 successively by negative pressure line 30 under the effect of negative pressure; With
D) utilize rotoclone collector 40 and bagroom 50 to collect Powdered high-temperature smoke, and the Powdered high-temperature smoke that utilizes second conveyor 60 to collect is delivered to destination device.
Particularly, the compound (being that block high-temperature smoke and Powdered high-temperature smoke mix) of the block high-temperature smoke that utilizes the equipment such as waste heat boiler and electrostatic precipitator to collect and Powdered high-temperature smoke is delivered to the first inlet point 11 of the first conveyer 10 by mechanical load transfer device, then block high-temperature smoke and Powdered high-temperature smoke are transported to the first discharging opening 12 of the first conveyer 10.Start simultaneously blower fan 20 so that in negative pressure line 30 interior generation negative pressure, Powdered high-temperature smoke enters in the negative pressure line 30, and enters rotoclone collector 40 by negative pressure line 30 under the effect of negative pressure.Because block high-temperature smoke quality is larger, so the negative pressure that blower fan 20 produces can't be carried block high-temperature smoke.Block high-temperature smoke enters in the crusher 70 from the second discharging opening 14 corresponding with the first discharging opening 12 under the effect of self gravitation.Utilize 70 pairs of described block high-temperature smokes of crusher to carry out fragmentation to obtain Powdered high-temperature smoke, then the Powdered high-temperature smoke that utilizes the 3rd conveyer 80 that fragmentation is obtained is delivered to the second inlet point 13, then the broken Powdered high-temperature smoke that obtains is transported to the first discharging opening 12, the Powdered high-temperature smoke that fragmentation obtains enters in the negative pressure line 30 under the effect of negative pressure, and enters rotoclone collector 40 by negative pressure line 30.Most of Powdered high-temperature smoke is collected by rotoclone collector 40, and the Powdered high-temperature smoke that is not collected on a small quantity enters bagroom 50 by negative pressure line 30 and collected by bagroom 50.The Powdered high-temperature smoke that last rotoclone collector 40 and bagroom 50 are collected is delivered to destination device (for example metallurgical furnace) by second conveyor 60, and cleaned air can be by blower fan 20 discharged to atmosphere.Advantageously, metallurgical furnace can be flash smelting furnace.
According to the high-temperature smoke delivery system 1 of the embodiment of the invention by blower fan 20 is set, thereby the negative pressure that can utilize blower fan 20 to produce is carried high-temperature smoke.With utilize malleation and carry high-temperature smoke to compare, high-temperature smoke delivery system 1 need not to arrange the parts such as high-pressure delivery pump, pressure transfer pot, high pressure gas generator, also need not magnitude setting numerous Pneumatic/electric sealing and controlled valve, not only simplified thus the structure of high-temperature smoke delivery system 1, reduced the manufacturing cost of high-temperature smoke delivery system 1, and the trouble point of having reduced high-temperature smoke delivery system 1, reduced the operating cost of high-temperature smoke delivery system 1.
And by blower fan 20 is set, the air that can utilize blower fan 20 to suck cools to high-temperature smoke.Because the normal temperature low-pressure air is more even with mixing of Powdered high-temperature smoke during the Powdered high-temperature smoke of negative pressure transportation, and the employed low-pressure air amount of the Powdered high-temperature smoke of unit mass is greater than the employed high pressure air amount of the Powdered high-temperature smoke of malleation convey unit quality, therefore according to the high-temperature smoke delivery system 1 of the embodiment of the invention can be rapidly, effectively Powdered high-temperature smoke is lowered the temperature, thereby guaranteed the safe operation of high-temperature smoke delivery system 1.Negative pressure transportation high-temperature smoke by utilizing blower fan 20 to produce can prevent that high-temperature smoke is excessive, not only can stop thus the loss of valuable element, and can avoid the high-temperature smoke contaminated environment.In addition, also have the degree of automation advantages of higher according to the high-temperature smoke delivery system 1 of the embodiment of the invention, greatly improved the transport efficiency of high-temperature smoke, saved manpower.Wherein, the traffic capacity of high-temperature smoke delivery system 1 can reach 50 tons/hour.
In addition, according to the high-temperature smoke delivery system 1 of the embodiment of the invention by at the first conveyer 10 the second discharging opening 14 being set, thereby can utilize the air that sucks from the second discharging opening 14 automatically Powdered high-temperature smoke to be separated with block high-temperature smoke.Wherein, the air that Powdered high-temperature smoke is inhaled into is transported to rotoclone collector 40, and block high-temperature smoke falls in the crusher 70.
According to the high-temperature smoke delivery system 1 of the embodiment of the invention by crusher 70 is set, thereby can carry out fragmentation in order to obtain Powdered high-temperature smoke (be about to block high-temperature smoke and be crushed to the granularity that negative pressure transportation requires) to block high-temperature smoke.The Powdered high-temperature smoke that fragmentation obtains can be delivered to by the 3rd conveyer 80 the second inlet point 13 of the first conveyer 10, and then is transported to the first discharging opening 12 of the first conveyer 10, then enters in the negative pressure line 30 under the effect of negative pressure.That is to say, according to the high-temperature smoke delivery system 1 of the embodiment of the invention can be rapidly, effectively the high-temperature smoke that contains block high-temperature smoke is carried.
Method according to the conveying high-temperature smoke of the embodiment of the invention is carried high-temperature smoke by the negative pressure of utilizing blower fan 20 to produce, thereby can be rapidly, effectively the high-temperature smoke that contains block high-temperature smoke is carried, reduce the conveying cost of high-temperature smoke, improve the transport efficiency of high-temperature smoke, stopping valuable element runs off, avoid the high-temperature smoke contaminated environment, improve degree of automation and safety.
Particularly, the first discharging opening 12 of the first conveyer 10 can link to each other with the import of rotoclone collector 40 by negative pressure line 30, and namely negative pressure line 30 can be distinguished hermetically and links to each other with the first discharging opening 12 of the first conveyer 10 and the import of rotoclone collector 40.The outlet of rotoclone collector 40 can link to each other with the import of bagroom 50 by negative pressure line 30, and namely negative pressure line 30 can be distinguished hermetically and links to each other with the outlet of rotoclone collector 40 and the import of bagroom 50.The outlet of bagroom 50 can link to each other with blower fan 20 by negative pressure line 30, and namely negative pressure line 30 can be distinguished hermetically and links to each other with blower fan 20 with the outlet of bagroom 50.
The temperature of high-temperature smoke can be 100 degrees centigrade-1000 degrees centigrade, and the content of the block high-temperature smoke in the high-temperature smoke can be less than or equal to the 50%(mass ratio), the bulk density of high-temperature smoke can be 0.6 ton/cubic meter-3.5 ton/cubic meter.The granularity of described Powdered high-temperature smoke can be 10 microns-2000 microns, and the granularity of the Powdered high-temperature smoke that fragmentation obtains also can be 10 microns-2000 microns.
The first discharging opening 12 and second discharging opening 14 of the first conveyer 10 can be positioned on the same cross-sectional plane of the first conveyer 10.Advantageously, the first discharging opening 12 can open wide up, and the second discharging opening 14 can open wide down.In other words, the first discharging opening 12 can be relative on above-below direction with the second discharging opening 14.
The inlet point 71 of crusher 70 can be horn-like, thus can so that block flue dust enter in the crusher 70.Because the inlet point 71 of crusher 70 and the second discharging opening 14 of the first conveyer 10 are spaced apart, so air can be inhaled in the negative pressure line 30 from the second discharging opening 14 of the first conveyer 10.Because the negative pressure at the second discharging opening 14 places of the first conveyer 10 is very large, so high-temperature smoke can not leak from the second discharging opening 14 of the first conveyer 10.Particularly, the second discharging opening 14 of the inlet point 71 of crusher 70 and the first conveyer 10 can the interval 50 millimeters-1000 millimeters so that enough air can be inhaled in the negative pressure line 30.
In one embodiment of the invention, as shown in Figure 1, high-temperature smoke delivery system 1 can also comprise material grinder 90, and the inlet point of material grinder 90 can link to each other with the discharging opening of crusher 70 and the discharging opening of material grinder 90 can link to each other with the 3rd conveyer 80.By material grinder 90 is set, can carry out the flue dust after crusher 70 fragmentations levigate in order to make flue dust reach the granularity that negative pressure transportation requires.Advantageously, material grinder 90 can be multistage.
The discharging opening of crusher 70 can link to each other hermetically by the inlet point of pipeline with material grinder 90, and the 3rd conveyer 80 can link to each other with the discharging opening of material grinder 90 and the second inlet point 13 of the first conveyer 10 respectively hermetically by pipeline.
Particularly, crusher 70 can be toothed roll crusher, and the gear piece on the running roller of described toothed roll crusher detachably changes, and material grinder 90 can be ball grinding mill, and the 3rd conveyer 80 can be bucket elevator.
As shown in Figure 1, in examples more of the present invention, high-temperature smoke delivery system 1 can also comprise flue dust storehouse 100, the inlet point in flue dust storehouse 100 can link to each other with the discharging opening of rotoclone collector 40 and the discharging opening of bagroom 50 respectively, and the discharging opening in flue dust storehouse 100 can link to each other with second conveyor 60.By flue dust storehouse 100 is set, the flue dust of rotoclone collector 40 and bagroom 50 collections temporarily can be stored in the flue dust storehouse 100, can make thus the fume amount that is transported to metallurgical furnace stable.
The discharging opening of rotoclone collector 40 can link to each other with the inlet point in flue dust storehouse 100 hermetically by rotoclone collector discharge duct 41, and the discharging opening of bagroom 50 can link to each other with the inlet point in flue dust storehouse 100 hermetically by bagroom discharge duct 51.In other words, the inlet point in flue dust storehouse 100 can be a plurality of.Wherein, rotoclone collector discharge valve 42 can be provided with on the rotoclone collector discharge duct 41, bagroom discharge valve 52 can be provided with on the bagroom discharge duct 51.Particularly, rotoclone collector discharge valve 42 can be star discharge valve, double electrical layer flap valve, weight flap valve etc., and bagroom discharge valve 52 also can be star discharge valve, double electrical layer flap valve, weight flap valve etc.
Advantageously, can be provided with the second variable-frequency governor on the second conveyor 60.Can utilize thus described the second variable-frequency governor to regulate the fume amount that second conveyor 60 is carried.
Alternatively, the first conveyer 10 can be conveyor screw, and second conveyor 60 can be embedded scraper transporter.Can be provided with the first variable-frequency governor on the first conveyer 10.Can utilize thus described the first variable-frequency governor to regulate the fume amount that the first conveyer 10 is carried.
As shown in Figure 1, in an example of the present invention, the first inlet point 11 can be positioned at the first end of conveyor screw, and the second inlet point 13 can be positioned at the second end of conveyor screw, and the first discharging opening 12 and the second discharging opening 14 can be positioned at the middle part of conveyor screw.Wherein, conveyor screw can have the first blade and the second blade, and the hand of rotation of the hand of rotation of described the first blade and described the second blade can be opposite.Described the first blade can be positioned at the first inlet point 11 belows in order to will be transported to from the high-temperature smoke that the first inlet point 11 enters the first discharging opening 12 and the second discharging opening 14, and described the second blade can be positioned at the second inlet point 13 belows in order to will be transported to from the high-temperature smoke that the second inlet point 13 enters the first discharging opening 12 and the second discharging opening 14.
In a concrete example of the present invention, as shown in Figure 1, rotoclone collector 40 can be a plurality of in order to improve the traffic capacity of high-temperature smoke delivery system 1, and a plurality of rotoclone collectors 40 can be connected and/or be in parallel.In other words, a plurality of rotoclone collectors 40 can be connected, and a plurality of rotoclone collectors 40 can also be in parallel.In addition, the part in a plurality of rotoclone collectors 40 can be connected, the another part in a plurality of rotoclone collectors 40 can be in parallel and a plurality of rotoclone collectors 40 in another part can connect with the part in a plurality of rotoclone collectors 40.
Advantageously, the bottom of rotoclone collector 40 can be provided with disposal box and hollow isolation cone, can reduce thus and leak out and reentrainment of dust, improves the dust-collecting efficiency of rotoclone collector 40.Rotoclone collector 40 can be made by high-abrasive material, and rotoclone collector 40 also can lining wear-resistant material.
Bagroom 50 can be line compression gas pulses deashing bagroom, also can be off-line pressure gas pulse dust cleaning bagroom.The filter bag of bagroom 50 can be rounded pocket, and the filter bag of bagroom 50 can be high temperature resistant filter bag.Bagroom 50 can have a plurality of ash buckets, can reduce thus the height of bagroom 50, reduces the space that bagroom 50 takies.The ash bucket of bagroom 50 can be ship type ash bucket or taper ash bucket.When the ash bucket of bagroom 50 is ship type ash bucket, can be equipped with conveyor screw and unloading valve, when the ash bucket of bagroom 50 was the taper ash bucket, each ash bucket can be equipped with independently unloading valve.
As shown in Figure 1, particularly, bagroom 50 can have in the first ash bucket 53 and the second ash bucket 54, the first ash buckets 53 and the second ash bucket 54 each can link to each other hermetically by the inlet point of bagroom discharge duct 51 with flue dust storehouse 100.Flue dust storehouse 100 shown in Figure 1 has three inlet points.
According to the high-temperature smoke delivery system 1 of the embodiment of the invention have simple in structure, low cost of manufacture, operating cost is low, safe, degree of automation is high, the transport efficiency advantages of higher.
In the description of this specification sheets, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or the example in conjunction with specific features, structure, material or the characteristics of this embodiment or example description.In this manual, the schematic statement of above-mentioned term not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or characteristics can be with suitable mode combinations in any one or more embodiment or example.
Although the above has illustrated and has described embodiments of the invention, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, those of ordinary skill in the art is not in the situation that break away from principle of the present invention and aim can change above-described embodiment within the scope of the invention, modification, replacement and modification.
Claims (10)
1. a high-temperature smoke delivery system is characterized in that, comprising:
The first conveyer, described the first conveyer has the first and second inlet points and the first and second discharging openings, and described the second discharging opening is corresponding with described the first discharging opening;
Crusher, the inlet point of described crusher are located at described the second discharging opening below and relative with described the second discharging opening on above-below direction, and the inlet point of described crusher and described the second discharging opening are spaced apart;
The 3rd conveyer, described the 3rd conveyer link to each other with described the second inlet point with the discharging opening of described crusher respectively;
Blower fan, described blower fan links to each other for generation of negative pressure with the first discharging opening of described the first conveyer by negative pressure line;
Rotoclone collector, described rotoclone collector are located on the described negative pressure line and between first discharging opening and described blower fan of described the first conveyer;
Bagroom, described bagroom are located on the described negative pressure line and between described rotoclone collector and described blower fan; With
Second conveyor, described second conveyor link to each other with the discharging opening of described rotoclone collector and the discharging opening of described bagroom respectively.
2. high-temperature smoke delivery system according to claim 1 is characterized in that, also comprises material grinder, and the inlet point of described material grinder links to each other with the discharging opening of described crusher and the discharging opening of described material grinder links to each other with described the 3rd conveyer.
3. high-temperature smoke delivery system according to claim 2 is characterized in that, described crusher is toothed roll crusher, and described material grinder is ball grinding mill, and described the 3rd conveyer is bucket elevator.
4. high-temperature smoke delivery system according to claim 1 is characterized in that, described rotoclone collector is a plurality of, a plurality of described rotoclone collector series connection and/or in parallel.
5. high-temperature smoke delivery system according to claim 1 is characterized in that, the bottom of described rotoclone collector is provided with disposal box and hollow isolation cone.
6. high-temperature smoke delivery system according to claim 1 is characterized in that, described bagroom has a plurality of ash buckets.
7. high-temperature smoke delivery system according to claim 1, it is characterized in that, also comprise the flue dust storehouse, the inlet point in described flue dust storehouse links to each other with the discharging opening of described rotoclone collector and the discharging opening of described bagroom respectively, and the discharging opening in described flue dust storehouse links to each other with described second conveyor.
8. high-temperature smoke delivery system according to claim 1 is characterized in that, described the first conveyer is conveyor screw, and described second conveyor is embedded scraper transporter.
9. high-temperature smoke delivery system according to claim 1 is characterized in that, described the first conveyer is provided with the first variable-frequency governor, and described second conveyor is provided with the second variable-frequency governor.
10. the method that each described high-temperature smoke delivery system is carried high-temperature smoke in the utilization according to claim 1-9 is characterized in that, comprising:
A) the first inlet point to described the first conveyer provides block high-temperature smoke and Powdered high-temperature smoke, and then described block high-temperature smoke and described Powdered high-temperature smoke are transported to the first discharging opening of described the first conveyer;
B) start described blower fan in order in described negative pressure line, produce negative pressure, described Powdered high-temperature smoke enters described rotoclone collector and described bagroom successively by described negative pressure line under the effect of negative pressure, and described block high-temperature smoke enters in the described crusher by described the second discharging opening;
C) utilize described crusher that described block high-temperature smoke is carried out fragmentation to obtain Powdered high-temperature smoke, then the Powdered high-temperature smoke that utilizes described the 3rd conveyer that fragmentation is obtained is delivered to described the second inlet point, then the broken Powdered high-temperature smoke that obtains is transported to described the first discharging opening, and the broken Powdered high-temperature smoke that obtains enters described rotoclone collector and described bagroom successively by described negative pressure line under the effect of negative pressure; With
D) utilize described rotoclone collector and described bagroom to collect Powdered high-temperature smoke, and the Powdered high-temperature smoke that utilizes described second conveyor to collect is delivered to destination device.
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| CN102951450B (en) | 2015-03-18 |
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Address after: 330031 No. 888, Qian Hu Road, Hongjiao Island, Nanchang, Jiangxi. Patentee after: China ruim engineering technology Limited by Share Ltd Address before: 330031 No. 888, Qian Hu Road, Hongjiao Island, Nanchang, Jiangxi. Patentee before: China Nerin Engineering Co., Ltd. |