CN110057202A - Mineral heating furnace flue recovery of micro silicon powder system is not shut down - Google Patents
Mineral heating furnace flue recovery of micro silicon powder system is not shut down Download PDFInfo
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- CN110057202A CN110057202A CN201910345387.7A CN201910345387A CN110057202A CN 110057202 A CN110057202 A CN 110057202A CN 201910345387 A CN201910345387 A CN 201910345387A CN 110057202 A CN110057202 A CN 110057202A
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- steel ball
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- center
- air inlet
- outlet
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- 229910052500 inorganic mineral Inorganic materials 0.000 title claims abstract description 27
- 239000011707 mineral Substances 0.000 title claims abstract description 27
- 238000010438 heat treatment Methods 0.000 title claims abstract description 24
- 239000011863 silicon-based powder Substances 0.000 title claims abstract description 15
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 14
- 238000011084 recovery Methods 0.000 title claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 158
- 239000010959 steel Substances 0.000 claims abstract description 158
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 63
- 239000003546 flue gas Substances 0.000 claims abstract description 53
- 239000000428 dust Substances 0.000 claims abstract description 38
- 239000002918 waste heat Substances 0.000 claims abstract description 37
- 239000007789 gas Substances 0.000 claims abstract description 23
- 229910021487 silica fume Inorganic materials 0.000 claims abstract description 22
- 230000001360 synchronised effect Effects 0.000 claims abstract description 11
- 229910002091 carbon monoxide Inorganic materials 0.000 claims abstract description 10
- 238000007664 blowing Methods 0.000 claims abstract description 9
- 238000002485 combustion reaction Methods 0.000 claims abstract description 8
- 238000009331 sowing Methods 0.000 claims description 26
- 239000003500 flue dust Substances 0.000 claims description 19
- 239000000779 smoke Substances 0.000 claims description 16
- 238000004891 communication Methods 0.000 claims description 13
- 230000008878 coupling Effects 0.000 claims description 13
- 238000010168 coupling process Methods 0.000 claims description 13
- 238000005859 coupling reaction Methods 0.000 claims description 13
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 10
- 239000006185 dispersion Substances 0.000 claims description 10
- 239000004744 fabric Substances 0.000 claims description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- 239000001301 oxygen Substances 0.000 claims description 6
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 5
- 239000001569 carbon dioxide Substances 0.000 claims description 5
- 230000005484 gravity Effects 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 239000011148 porous material Substances 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 238000013461 design Methods 0.000 claims description 3
- 235000019504 cigarettes Nutrition 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000002245 particle Substances 0.000 description 9
- 239000003610 charcoal Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000006748 scratching Methods 0.000 description 3
- 230000002393 scratching effect Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000010882 bottom ash Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J3/00—Removing solid residues from passages or chambers beyond the fire, e.g. from flues by soot blowers
- F23J3/02—Cleaning furnace tubes; Cleaning flues or chimneys
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/008—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases cleaning gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2700/00—Ash removal, handling and treatment means; Ash and slag handling in pulverulent fuel furnaces; Ash removal means for incinerators
- F23J2700/001—Ash removal, handling and treatment means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
- F27D2017/005—Systems for reclaiming waste heat including pyrolising the waste gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
- F27D2017/006—Systems for reclaiming waste heat using a boiler
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
One kind not shutting down mineral heating furnace flue recovery of micro silicon powder system, including incinerator, waste heat boiler, SILICA FUME separator, negative-pressure air fan, synchronous back blowing dust removal device, synchronous back blowing dust removal device includes disk switching valve, No.1 bag filter, No. two bag filters, No. three bag filters, the disk switching valve being arranged in the present invention can guarantee No.1 bag filter, No. two bag filters, a bag filter in No. three bag filters is in is in blowback shape body always, and it is separately in dust removal state always for two bag filters, to realize that bag filter blowback is not shut down, avoid the interruption that production is caused because of blowback, the multiple rows of rack gear being staggered under on separator box can be such that dust and steel ball is sufficiently separated, the heat generated after carbon monoxide gas volumetric combustion in incinerator is re-fed into waste heat boiler, high-temperature flue gas exists After burning furnace pressure is stablized, waste heat boiler is entered back into, so that waste heat boiler heating surface is heated evenly, waste heat boiler stable conditions.
Description
Technical field
The present invention relates to waste heat boiler technical fields, in particular to a kind of not shut down mineral heating furnace flue recovery of micro silicon powder system
System.
Background technique
Cogeneration technology to make full use of industrial exhaust heat, realize " cogeneration " be distinguishing feature can reach not only emission reduction but also
The dual purpose increased income is the preferred embodiments and best energy conservation mode of the conversion of industrial exhaust heat science.Mineral hot furnace is generally divided
Three kinds of type of furnaces, the first is Totally-enclosed-type, and second is that low hood is type semienclosed, the third is high petticoat pipe open type.Semi-hermetic
Kiln gas amount is larger, is suitble to generate electricity using residual heat boiler for exchanging heat, the thermal efficiency can reach 26%~28% or so, but difficult point is cigarette
The diameter of most of dust is 0.1~0.5um in gas, and different bondings is presented in these particles under different humidity provinces and humidity
Property, it is very easy to be adhered to chimney, flue, metal tube surface, the heat exchange efficiency of heat-transfer surface is caused to drastically reduce.China national is known
Know " residual heat boiler of steel ball dedusting type ore heat furnace " the Publication No. CN101701775A that property right office announces.The invention is using furnace roof
Portion is equipped with a steel ball sowing apparatus, and steel ball is arranged below furnace bottom ash bucket and separates and collects device, steel ball separates and collects device and will receive
The steel ball collected is transported in steel ball totebox, then the steel ball of steel ball is housed by the transport of circulating steel ball mechanical transport device
Above totebox to steel ball sowing apparatus, make steel ball totebox that steel ball is poured into steel ball sowing apparatus by mechanical discharging gear wheel,
Steel ball sowing into mineral hot furnace waste heat boiler, is so beaten heating surface by the steel ball with kinetic energy and realized by steel ball sowing apparatus
Deashing.However, the invention has the disadvantage that its steel ball separates and collects device to the inferior separating effect of dust and steel ball, dedusting
It is inefficient.When the public waste heat boiler of more than two mineral hot furnaces, different mineral hot furnace exhaust smoke levels is unstable, causes remaining
Heat boiler operating condition is unstable, influences the effect of UTILIZATION OF VESIDUAL HEAT IN, the carbon monoxide contained in flue gas, and direct emission atmosphere causes ring
Border pollution, has wasted energy resources.The by-product SILICA FUME recycled in flue gas is through research and using it has been confirmed that being a kind of
Of great value commodity, and the recycling of SILICA FUME mostly uses bag filter, bag filter needs in use for some time
Blowback, to restore the ability of dedusting again, and frequent blowback operation causes production disruption, influences to produce normal progress.
Summary of the invention
In view of this, in view of the above deficiencies, it is necessary to propose that one kind can efficiently use carbon monoxide in flue gas and have
Effect separation dust and steel ball do not shut down mineral heating furnace flue recovery of micro silicon powder system.
One kind does not shut down mineral heating furnace flue recovery of micro silicon powder system, including incinerator, waste heat boiler, SILICA FUME separator,
Negative-pressure air fan, synchronous back blowing dust removal device, the incinerator have a closed hemispherical furnace body, and the left side of furnace body is circle
Shape plane is evenly equipped with several flue gas shunting entrances on left side, each flue gas shunting entrance corresponds to a mineral hot furnace
The connection of high-temperature flue gas discharge outlet, the right side opposite with left side are hemisphere face, and there is a flue gas to summarize mouth at right side center,
Flue gas summarizes the upper end entrance connection of the exhaust gases passes of mouth and waste heat boiler, and the left side of furnace body also has an air intake,
So as to generate carbon dioxide, CO burning into the oxygen combustion in the carbon monoxide and air in the high-temperature flue gas of furnace body
The heat of release is delivered to waste heat boiler, the waste heat boiler include the boiler heating surface being made of coiled pipe group, boiler by
Hot face surrounding forms the furnace bottom in the boiler smoke channel of a sealed passage, the setting of boiler smoke the bottom of the channel, and furnace bottom is equipped with steel
Pearl collection device, steel ball collection device include separator box, valve body, spool, oblique flow pipe, are flexible coupling, first connecting rod, the second company
Bar, third connecting rod, clump weight, separator box upper and lower ends opening, separator box upper end opening are connect with exhaust gases passes lower ending opening, with
So that the steel ball flue dust mixture in exhaust gases passes is entered separator box, is provided with multiple rows of rack gear, the tooth in separator box from top to down
Item is horizontally disposed column, and the rack gear between adjacent two rows is staggered, and the side of separator box is provided with flue dust outlet,
Sieve is installed, the sieve pore of the sieve is less than the diameter of steel ball, and valve body upper and lower ends are open, on valve body in flue dust outlet
End opening is connect with separator box lower ending opening, and the side of valve body is provided with steel ball outlet, the steel ball outlet and oblique flow pipe
Entrance connection, the outlet of oblique flow pipe are connect with the entrance being flexible coupling, and spool lateral wall and valve body inner sidewall are tightly connected, spool
It can move along a straight line up and down along valve body side wall, the roof inclined-plane of the roof inclined design of spool, spool prolongs to steel ball outlet side
Stretch, the first rotation axis, the second rotation axis are fixed on furnace bottom, and the upper end of first connecting rod and spool are hinged, the left end of second connecting rod with
First connecting rod middle-end is hinged, and the right end of second connecting rod is equipped with clump weight, and the middle-end of second connecting rod and the rotation of the first rotation axis connect
Connect, the upper end of third connecting rod and the lower end of first connecting rod are hinged, and the lower end of third connecting rod is free end, the middle-end of third connecting rod with
The rotation connection of second rotation axis, flue dust outlet are connect with the entrance of SILICA FUME separator, the outlet of SILICA FUME separator and
The entrance of negative-pressure air fan connects, and the synchronous back blowing dust removal device includes disk switching valve, No.1 bag filter, No. two cloth bags
Deduster, No. three bag filters, the disk switching valve includes that a cylinder shape valve and a 8-shaped rotation are covered, described
Valve body is hollow, and the right side circular end face of valve body is equipped with a total air inlet, and the outlet of total air inlet and negative-pressure air fan connects,
The left side circular end face of valve body be equipped with No.1 air outlet, No. two air outlets, No. three air outlets, No.1 air outlet, No. two air outlets,
No. three air outlet diameters are identical, and No.1 air outlet, No. two air outlets, No. three air outlets are uniformly distributed with the left end face center of circle, and No.1 goes out
Air port, No. two air outlets, No. three air outlets pass through pipeline and No.1 bag filter, No. two bag filters, No. three cloth respectively
The smoke air inlet of bag dust collector connects, the left side circular end face of valve body be additionally provided with No.1 back blow port, No. two back blow ports, No. three it is anti-
Mouthpiece, No.1 back blow port, No. two back blow ports, No. three back blow port diameters are identical, No.1 back blow port, No. two back blow ports, No. three blowbacks
Mouth is uniformly distributed with the left end face center of circle, and No.1 back blow port, No. two back blow ports, No. three back blow ports pass through pipeline respectively and No.1 cloth bag removes
The air inlet connection blowback air inlet connection of dirt device, No. two bag filters, No. three bag filters, No.1 air outlet center,
No.1 back blow port center, the valve body left end face center of circle are conllinear, and the distance in No.1 back blow port center to the valve body left end face center of circle is small
In No.1 air outlet center to the distance in the valve body left end face center of circle, the 8-shaped rotation lid is internally located at valve body, 8 word
Shape rotation lid has one big end cap and small end cover, and big end cap and small end cover are circle, and small end cover is equipped with communication port, big end
Lid is co-axially mounted with valve body left end face, and the 8-shaped rotation lid is driven by stepper motor, to be rotated relative to valve body, big end
Lid center, communication port center, small end cover center are conllinear, and communication port is between big end cap and small end cover, the diameter of big end cap
Greater than No.1 back blow port center to the distance in the valve body left end face center of circle, the diameter of big end cap is less than No.1 air outlet center to valve
The distance in the body left end face center of circle, the diameter of small end cover are greater than the diameter of No.1 air outlet, and small end cover center is arrived to valve body left side
The distance in the end face center of circle is equal to the distance in the No.1 air outlet valve body left end face center of circle, and communication port center is to valve body left end face
The distance in the center of circle is equal to the distance in the No.1 back blow port valve body left end face center of circle.
Preferably, the SILICA FUME separator includes separable cartridge, escape pipe, and the inner cavity of separable cartridge is that a closing is empty
Between, the upper section of the separable cartridge is cylinder, and the lower section of the separable cartridge is cone, the top of separable cartridge be provided with it is left into
Air port, right air inlet, the left air inlet, right air inlet structure are identical, and the left air inlet, right air inlet are along separable cartridge ring
Wall is uniformly distributed, and the left air inlet, right air inlet are vertically arranged, so that high-temperature flue gas is reversed with the tangent line of the upper section of separable cartridge
The upper section inner cavity of separable cartridge is horizontally entered into, the left air inlet, the airintake direction of right air inlet are identical, the top of separable cartridge
Escape pipe is installed, separable cartridge is exposed in the upper end of the escape pipe, and the lower end of escape pipe is in separable cartridge, and to cylinder
The lower section of body extends, and the flue dust outlet is connect with left air inlet, right air inlet, the escape pipe upper end port and negative-pressure air fan
Entrance connection.
Preferably, the ratio of the caliber of the upper section of the caliber and separable cartridge of the escape pipe is 2, the left air inlet
The ratio of the width value of height value and the left air inlet is 2, the lower section of the height value and separable cartridge of the separable cartridge
The ratio of height value is 2.
Preferably, the waste heat boiler further includes the furnace roof of boiler smoke channel roof setting, and furnace roof is equipped with steel ball sowing
Device, the steel ball sowing apparatus include sowing collection bucket, steel ball sowing guide device, and the setting of steel ball sowing guide device is being broadcast
It spreads below collection bucket, and is connect with the delivery outlet for sowing collection bucket；Steel ball sowing guide device includes tube bundle and at least three
A dispersion pipe；The upper end of tube bundle is connected to the delivery outlet for sowing collection bucket, the lower end of tube bundle and each dispersion pipe
One end connection, the other end of three dispersion pipes is connect with furnace roof, and is connected to boiler smoke channel, and steel ball is uniformly sowed
On boiler heating surface.
Preferably, the waste heat boiler further includes circulating steel ball conveying device, the circulating steel ball conveying device packet
Include a driving gear, three driven gears, double strand chain, steel ball totebox, rectification bar, reversing wheel, a driving tooth
Wheel, three driven gears are set in turn at four angles of braced frame, and double strand chain is successively wound in a driving gear, three
Driven gear forms a closed rectangle chain ring, has hung steel ball totebox between two chains of double strand chain, described
Steel ball totebox can rotate around it center relative to double strand chain and rotate in perpendicular, and multiple steel ball toteboxs are along rectangle chain
Ring is uniformly distributed, and the center of gravity of steel ball totebox is biased to its center of rotation side, so that steel ball totebox restores its open end by self weight
Upward state, rectification bar, reversing wheel are fixedly installed in braced frame, and the rectification bar is located at rectangle chain ring
The top of lower horizontal segment, rectification bar level horizontal section length direction under rectangle chain ring are arranged, and the two of rectification bar
End is bent upwards, so that water below rectification bar is close in the steel ball totebox open end end face under rectangle chain ring on horizontal segment
Translation is dynamic, and steel ball totebox is equipped with shifting part, and the steel ball totebox under rectangle chain ring on horizontal segment runs to the right, stirs
The free end that part stirs the third connecting rod is rotated around the second rotation axis, so that steel ball is fallen from steel ball outlet in valve body, according to
Secondary to pass through oblique flow pipe, be flexible coupling into the steel ball totebox, the reversing wheel is located at the lower section of horizontal segment on rectangle chain ring,
Steel ball totebox on rectangle chain ring on horizontal segment is run to the left, and the top of reversing wheel is higher than steel ball totebox bottom, with resistance
It keeps off the steel ball totebox to run to the left, so that the steel ball totebox rotates around it center rotating with respect to double strand chain, so that the steel
Steel ball in pearl totebox, which pours into, sows collection bucket, and the steel ball totebox bottom in 90 ° of inverted status is higher than reversing wheel
Top, so that the steel ball totebox is run to the left.
Separator box is equipped in steel ball collection device of the invention, on separator box under multiple rows of rack gear for being staggered can make powder
After the mixture of dirt and steel ball enters separator box, steel ball and dust enter the gap between rack gear at random, due to steel ball and dust
The random distribution between multiple rows of rack gear, this can make steel ball and dust, and abundant score is opened from top to down in entire separator box, favorably
It exports and is discharged from flue dust under the action of negative-pressure air fan in dust, and steel ball is since weight relative dust is much larger, in gravity
Effect is lower to enter valve body, and dust and steel ball are sufficiently separated.
In the present invention, after the high-temperature flue gas that mineral hot furnace generates enters incinerator, carbon monoxide in high-temperature flue gas with come from
Oxygen combustion in the air of air intake produces carbon dioxide, reduces the discharge of CO gas, CO gas
The heat generated after burning is re-fed into waste heat boiler, so that the chemical energy in high-temperature flue gas is converted into thermal energy, is fully utilized.
In the present invention, the high-temperature flue gas pressure that different mineral hot furnaces generate is different, when the high-temperature flue gas of different mineral hot furnaces enters
After incinerator, incinerator plays the role of surge tank, so that the high-temperature flue gas pressure in incinerator is uniform, high-temperature flue gas is being burnt
After burning furnace pressure is stablized, waste heat boiler is entered back into, so that waste heat boiler heating surface is heated evenly, waste heat boiler stable conditions.
In the present invention, high-temperature flue gas enters incinerator from flue gas shunting entrance, summarizes mouth outflow incinerator from flue gas, due to
The furnace chamber of incinerator is spherical shape, and mouth is summarized from gas split entry to flue gas and forms a generally conical shape curved surface furnace chamber, the furnace
Chamber smoothly transits, and reduces the vortex and turbulent flow energy of burning on fume in high temperature, reduces air exhaust energy consumption, also improve in incinerator
Volumetric efficiency, improve CO combustion efficiency.
In the present invention, the air intake and flue gas shunting entrance of incinerator are same to flow to setting, the carbon monoxide in incinerator
With air co-flow, the time come into full contact with is increased.
The disk switching valve being arranged in the present invention can guarantee No.1 bag filter, No. two bag filters, No. three cloth bags
A bag filter in deduster is in is in blowback shape body always, and is separately in dedusting always for two bag filters
State avoids the interruption that production is caused because of blowback to realize that bag filter blowback is not shut down.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for not shutting down mineral heating furnace flue recovery of micro silicon powder system.
Fig. 2 is the longitudinal section of the disk switching valve.
Fig. 3 is the longitudinal section of the valve body.
Fig. 4 is the structural schematic diagram of the rotation lid.
Fig. 5 is the structural schematic diagram of the waste heat boiler.
Fig. 6 is the structural schematic diagram of the steel ball collection device.
In figure: waste heat boiler 10, steel ball collection device 11, separator box 111, rack gear 1111, flue dust export 1112, valve body
112, steel ball outlet 1121, spool 113, oblique flow pipe 114, the 115, first connecting rod 116 that is flexible coupling, second connecting rod 117, first rotate
Axis 1171, the second rotation axis 1181, clump weight 119, steel ball sowing apparatus 12, sows collection bucket 121, steel ball at third connecting rod 118
Sow guide device 122, tube bundle 1221, dispersion pipe 1222, circulating steel ball conveying device 13, driving gear 131, driven
Gear 132, double strand chain 133, steel ball totebox 134, shifting part 1341, rectification bar 135, reversing wheel 136, incinerator
20, furnace body 21, flue gas shunting entrance 211, flue gas summarize mouth 212, air intake 213, SILICA FUME separator 30, separable cartridge
31, left air inlet 311, right air inlet 312, escape pipe 32, mineral hot furnace 40, negative-pressure air fan 50, synchronous back blowing dust removal device 60, circle
Disk switching valve 61, valve body 611, total air inlet 6111, the air outlet 6113, three of No.1 air outlet 6112, two air outlet 6114,
The back blow port 6116, three of No.1 back blow port 6115, two back blow port 6117, rotation lid 612, big end cap 6121, small end cover 6122,
Communication port 61221, the bag filter 64 of bag filter 63, three of No.1 bag filter 62, two.
Specific embodiment
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be apparent that, drawings in the following description are some embodiments of the invention, common for this field
For technical staff, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Referring to Fig. 1 to Fig. 6, the embodiment of the invention provides one kind not to shut down mineral heating furnace flue recovery of micro silicon powder system, wraps
Incinerator 20, waste heat boiler 10, SILICA FUME separator 30, negative-pressure air fan 50, synchronous back blowing dust removal device 60 are included, incinerator 20 has
There is a closed hemispherical furnace body 21, the left side of furnace body 21 is circular flat, if being evenly equipped with dry flue gas point on left side
Inflow entrance 211, each flue gas shunting entrance 211 corresponds to the high-temperature flue gas discharge outlet connection an of mineral hot furnace 40, with left end
The opposite right side in face is hemisphere face, and there is a flue gas to summarize mouth 212 at right side center, and flue gas summarizes mouth 212 and waste heat pot
The upper end entrance of the exhaust gases passes of furnace 10 connects, and the left side of furnace body 21 also has an air intake 213, so that into furnace body
Oxygen combustion in carbon monoxide and air in 21 high-temperature flue gas generates carbon dioxide, the heat of CO burning release
It is delivered to waste heat boiler 10, waste heat boiler 10 includes the boiler heating surface being made of coiled pipe group, in boiler heating surface surrounding shape
At the furnace bottom that the boiler smoke channel of a sealed passage, boiler smoke the bottom of the channel are arranged, furnace bottom is equipped with steel ball collection device
11, steel ball collection device 11 includes separator box 111, valve body 112, spool 113, oblique flow pipe 114, be flexible coupling 115, first connecting rod
116, second connecting rod 117, third connecting rod 118, clump weight 119,111 upper and lower ends of separator box opening, 111 upper end opening of separator box
It is connect with exhaust gases passes lower ending opening, so that the steel ball flue dust mixture in exhaust gases passes enters separator box 111, separator box 111
It is inside provided with multiple rows of rack gear 1111 from top to down, rack gear 1111 is horizontally disposed column, the rack gear between adjacent two rows
1111 are staggered, and the side of separator box 111 is provided with flue dust outlet 1112, are equipped with sieve in flue dust outlet 1112, sieve
The sieve pore of net is less than the diameter of steel ball, 112 upper and lower ends of valve body opening, 112 upper end opening of valve body and 111 lower end of separator box
Opening connection, the side of valve body 112 are provided with steel ball outlet 1121, and steel ball outlet 1121 is connect with the entrance of oblique flow pipe 114,
The outlet of oblique flow pipe 114 connect with 115 entrance of being flexible coupling, 113 lateral wall of spool and the sealed connection of 112 inner sidewall of valve body,
Spool 113 can move along a straight line up and down along 112 side wall of valve body, the roof inclined design of spool 113, the roof inclined-plane of spool 113
It exports 1121 sides to steel ball to extend, the first rotation axis 1171, the second rotation axis 1181 are fixed on furnace bottom, first connecting rod 116
Upper end and spool 113 are hinged, and the left end of second connecting rod 117 and 116 middle-end of first connecting rod are hinged, the right end peace of second connecting rod 117
Equipped with clump weight 119, the middle-end of second connecting rod 117 and the first rotation axis 1171 are rotatablely connected, the upper end of third connecting rod 118 and the
The lower end of one connecting rod 116 is hinged, and the lower end of third connecting rod 118 is free end, the middle-end of third connecting rod 118 and the second rotation axis
1181 rotation connections, flue dust outlet 1112 connects with the entrance of SILICA FUME separator 30, the outlet of SILICA FUME separator 30 with bear
The entrance of pressure fan 50 connects, and synchronous back blowing dust removal device 60 includes 62, No. two disk switching valve 61, No.1 bag filter cloth
63, No. three bag filters 64 of bag dust collector, disk switching valve 61 include a cylinder shape valve 611 and a 8-shaped rotation
Lid 612, valve body 611 is hollow, and the right side circular end face of valve body 611 is equipped with a total air inlet 6111, total air inlet 6111 with bear
The outlet of pressure fan 50 connects, and the left side circular end face of valve body 611 is equipped with 6112, No. two air outlets 6113, three of No.1 air outlet
Number air outlet 6114,6114 diameter of air outlet of air outlet 6113, three of No.1 air outlet 6112, two is identical, No.1 air outlet
6112,6113, No. three air outlets 6114 of No. two air outlets are uniformly distributed with the left end face center of circle, 6112, No. two outlet air of No.1 air outlet
6113, No. three air outlets 6114 of mouth pass through pipeline and the cloth bag of bag filter 63, three of No.1 bag filter 62, two respectively
The smoke air inlet of deduster 64 connects, and the left side circular end face of valve body 611 is additionally provided with 6115, No. two back blow ports of No.1 back blow port
6116, No. three back blow ports 6117,6117 diameter of back blow port of back blow port 6116, three of No.1 back blow port 6115, two is identical, No.1
The back blow port 6117 of back blow port 6116, three of back blow port 6115, two is uniformly distributed with the left end face center of circle, No.1 back blow port 6115, two
Number 6116, No. three back blow ports 6117 of back blow port pass through 62, No. two bag filters 63, three of pipeline and No.1 bag filter respectively
The air inlet connection blowback air inlet connection of number bag filter 64, in 6112 center of No.1 air outlet, No.1 back blow port 6115
The heart, the 611 left end face center of circle of valve body are conllinear, and the distance in 6115 center of No.1 back blow port to the 611 left end face center of circle of valve body is less than
6112 center of No.1 air outlet to the 611 left end face center of circle of valve body distance, 8-shaped rotation lid 612 be internally located at valve body 611,8
Font, which rotates lid 612, has one big end cap 6121 and small end cover 6122, and big end cap 6121 and small end cover 6122 are circle, small
End cap 6122 is equipped with communication port 61221, and big end cap 6121 is co-axially mounted with 611 left end face of valve body, and 8-shaped rotates lid 612
It is driven by stepper motor, to be rotated relative to valve body 611, big 6121 center of end cap, 61221 center of communication port, small end cover 6122
Center is conllinear, and communication port 61221, between big end cap 6121 and small end cover 6122, the diameter of big end cap 6121 is greater than No.1
6115 center of back blow port is to the distance in the 611 left end face center of circle of valve body, and the diameter of big end cap 6121 is less than No.1 air outlet 6112
Distance of the center to the 611 left end face center of circle of valve body, diameter of the diameter greater than No.1 air outlet 6112 of small end cover 6122, small end
6122 center of lid is equal to 6112 valve body of No.1 air outlet, the 611 left end face center of circle to the distance to the 611 left end face center of circle of valve body
Distance, 61221 center of communication port to the 611 left end face center of circle of valve body distance be equal to 6115 valve body 611 of No.1 back blow port
The distance in the left end face center of circle.
In the present embodiment, steel ball enters in exhaust gases passes from the top of exhaust gases passes, the powder adhered on exhaust gases passes inner wall
Dirt falls off under the impact of steel ball, then enters separator box 111 together in company with steel ball.
Fig. 5 and Fig. 6 are referred to, 115 lower end of being flexible coupling hangs naturally, and 115 lower end of being flexible coupling is directly protruding into splendid attire and holds
The bottom of device rotates third connecting rod 118, and first connecting rod 116 is whole to be dragged downwards, and spool 113 is along 112 inner wall of valve body to downslide
Dynamic, spool 113 to steel ball outlet 1121 is hereinafter, steel ball enters steel ball outlet 1121, then by oblique flow pipe 114, into soft company
115 are connect, the container for containing steel ball is entered back into, can easily prevent very much steel ball from holding from splendid attire using the 115 output steel balls that are flexible coupling
It is jumped out in device.
Fig. 5 and Fig. 6 are referred to, when no external force rotates third connecting rod 118, work of the second connecting rod 117 in clump weight 119
With lower rotation, first connecting rod 116 is whole to be pushed upwardly, and spool 113 is stopped along 112 inner wall upward sliding of valve body, spool 113
Steel ball outlet 1121.
The container for containing steel ball is promoted to the waste heat boiler 10 again, and steel ball is poured into the exhaust gases passes of waste heat boiler 10 again
Carry out deashing.
Separator box 111 is equipped in steel ball collection device 11 of the invention, on separator box 111 under multiple rows of tooth for being staggered
After item 1111 can make the mixture of dust and steel ball enter separator box 111, steel ball and dust enter at random between rack gear 1111
Gap, the random distribution between multiple rows of rack gear 1111 due to steel ball and dust, this can make steel ball and dust in entire separator box 111
Inside abundant score is opened from top to down, is conducive to dust and is discharged under the action of negative-pressure air fan 50 from flue dust outlet 1112, and steel ball
Since weight relative dust is much larger, enter valve body 112 under gravity, dust and steel ball are sufficiently separated.
In the present invention, after the high-temperature flue gas that mineral hot furnace 40 generates enters incinerator 20, carbon monoxide in high-temperature flue gas with
Oxygen combustion in air from air intake 213 produces carbon dioxide, reduces the discharge of CO gas, an oxygen
Change the heat generated after the burning of carbon gas and be re-fed into waste heat boiler 10, so that the chemical energy in high-temperature flue gas is converted into thermal energy, obtains
To make full use of.
In the present invention, the high-temperature flue gas pressure that different mineral hot furnaces 40 generate is different, when the high-temperature flue gas of different mineral hot furnaces 40
Into after incinerator 20, incinerator 20 plays the role of surge tank, so that the high-temperature flue gas pressure in incinerator 20 is uniform, it is high
Warm flue gas after pressure stabilization, enters back into waste heat boiler 10 in incinerator 20, so that 10 heating surface of waste heat boiler is heated evenly, it is remaining
10 stable conditions of heat boiler.
In the present invention, high-temperature flue gas enters incinerator 20 from flue gas shunting entrance 211, summarizes the outflow of mouth 212 from flue gas and burns
Furnace 20 is burnt, since the furnace chamber of incinerator 20 is spherical shape, it is generally conical shape that the formation of mouth 212 one is summarized from gas split entry to flue gas
Curved surface furnace chamber, which smoothly transits, reduces the vortex and turbulent flow energy of 20 high-temperature flue gas of incinerator, reduce pumping energy
Consumption, also improves the volumetric efficiency in incinerator 20, improves CO combustion efficiency.
In the present invention, the air intake 213 and flue gas shunting entrance 211 of incinerator 20 are arranged with flow direction, in incinerator 20
Carbon monoxide and air co-flow, increase the time come into full contact with.
In the present embodiment, rotation lid 612 by stepper motor driving rotation, for example, stepper motor driving rotate lid 612 with
Certain speed rotates 120 °, then stops certain time, rotates 120 ° again later with certain speed, so recycles, originally, rotation
The small end cover 6122 of lid 612 covers unification air outlet 6112, and 6113, No. three air outlets 6114 of No. two air outlets are not by big end cap
6121 lids close, and the big lid of end cap 6121 closes 6116, No. three back blow ports 6117 of No. two back blow ports, and intercommunicating pore and No.1 back blow port 6115 connect
Logical, in this case, No.1 bag filter 62 is in blowback state, 63, No. three bag filters 64 of No. two bag filters
In dust removal state.With the rotation of rotation lid 612, No.1 bag filter 62,63, No. three cloth bags of No. two bag filters are removed
Dirt device 64 is alternately in dedusting, blowback state, to realize that bag filter blowback is not shut down.The present embodiment shows in particular one
The technical concept of kind realization bag filter blowback progress synchronous with dedusting.
The disk switching valve 61 being arranged in the present invention can guarantee No.1 bag filter 62, No. two bag filters 63, three
A bag filter in number bag filter 64 is in is in blowback shape body always, and separately always for two bag filters
In dust removal state, to realize that bag filter blowback is not shut down, the interruption that production is caused because of blowback is avoided.
Referring to Fig. 1, further, SILICA FUME separator 30 includes separable cartridge 31, escape pipe 32, the inner cavity of separable cartridge 31
For an enclosure space, the upper section of separable cartridge 31 is cylinder, and the lower section of separable cartridge 31 is cone, the top of separable cartridge 31
It is provided with left air inlet 311, right air inlet 312, left air inlet 311,312 structure of right air inlet are identical, left air inlet 311, the right side
Air inlet 312 is uniformly distributed along 31 ring wall of separable cartridge, and left air inlet 311, right air inlet 312 are vertically arranged, so that high-temperature flue gas
The upper section inner cavity of separable cartridge 31, left air inlet 311, right air inlet are reversely horizontally entered into the tangent line of the upper section of separable cartridge 31
312 airintake direction is identical, and the top of separable cartridge 31 is equipped with escape pipe 32, and separable cartridge is exposed in the upper end of escape pipe 32
31, the lower end of escape pipe 32 extends in separable cartridge 31, and to the lower section of separable cartridge 31, and flue dust exports 1112 and Zuo Jinfeng
Mouth 311, right air inlet 312 connect, and 32 upper end port of escape pipe is connect with the entrance of negative-pressure air fan 50.
After ash-laden gas is by tangentially entering separable cartridge 31, along 31 barrel of separable cartridge, from top to bottom left-hand screw is moved, to
The air-flow of lower rotation is outer vortex, is transferred again after the outer cone base for reaching separable cartridge 31 that is vortexed upwards, along separable cartridge 31
Axis rotates upwards, is finally discharged by escape pipe 32, and the air-flow rotated upwards is inside vortex.Air-flow leans in rotary course
The centrifugal force that flow rotation generates, throws to 31 barrel of separable cartridge by large dust particle and with live charcoal grain, in air-flow promotion and again
It falls and separates under the action of power, still, since single sided entry will cause the air-flow rotated upwards bias, part large dust particle
It can be brought into inside vortex with band live charcoal grain, lead to the reduction of SILICA FUME quality, also will cause the scratching or burning of subsequent bag filter
Damage.
In the present embodiment, using SILICA FUME separator 30, it can be separated by the large dust particle in flue gas and with live charcoal grain
Out, large dust particle scratching bag filter can be prevented, the anti-stop-band live charcoal grain of energy burns out damage bag filter.
In the present embodiment, using SILICA FUME separator 30, the SILICA FUME in flue dust can effectively be concentrated, and will be mixed with SILICA FUME
Miscellaneous other impurities particle separation, improves the quality of SILICA FUME.
In the present embodiment, using left air inlet 311, the synchronous air inlet of right air inlet 312, left air inlet 311, right air inlet
312 is symmetrical with 31 section circle center of separable cartridge, avoids the air-flow eccentricity issues rotated upwards, it is therefore prevented that part bulky grain powder
Dirt and it can be brought into inside vortex with live charcoal grain, improve the reduction of SILICA FUME quality, it is thus also avoided that the scratching or burning of bag filter
The problem of damage.
Referring to Fig. 1, further, the ratio of the caliber of the upper section of the caliber and separable cartridge 31 of escape pipe 32 is 2, Zuo Jinfeng
The ratio of the width value of the height value and left air inlet 311 of mouth 311 is 2, height value and the separable cartridge 31 of separable cartridge 31
The ratio of the height value of lower section is 2.
The ratio of the caliber of the upper section of the caliber and separable cartridge 31 of escape pipe 32 in the present embodiment, reduces cylinder
Interfering with each other for 31 air inlet of body and inside vortex, reduces large dust particle and the rebound with live charcoal grain, air-teturning mixed phenomenon, improves micro-
The quality of silicon powder, and outer vortex area increases, centrifugal force field is bigger, and separating effect improves.
The ratio of the width of the height value of left air inlet 311 in the present embodiment and left air inlet 311, can make swirling eddy
Screw pitch reduce, effectively turn-taking and just will increase in separable cartridge 31, the residence time increases, large dust particle and with live charcoal grain
It is easier to be separated.
The ratio of the height value of the lower section of the height value and separable cartridge 31 of separable cartridge 31 in the present embodiment, cylinder
The height value of body 31 increases, and the mean residence time into the flue dust centrifugal force field of separable cartridge 31 increases, more easily separated, separation
The conical section height of the lower section of cylinder 31 increases, and divides again so that the particle acquisition come on the lower section back-mixing of separable cartridge 31 is secondary
Increase from the required time, improves separative efficiency.
Referring to Fig. 1, further, waste heat boiler 10 further includes the furnace roof of boiler smoke channel roof setting, and furnace roof is equipped with steel
Pearl sowing apparatus 12, steel ball sowing apparatus 12 include sowing collection bucket 121, steel ball sowing guide device 122, steel ball sowing guidance
The setting of device 122 is being sowed below collection bucket 121, and is connect with the delivery outlet for sowing collection bucket 121；Steel ball sowing guide device
122 include tube bundle 1221 and at least three dispersion pipes 1222；The upper end of tube bundle 1221 with sow the defeated of collection bucket 121
Outlet, the lower end of tube bundle 1221 are connected to one end of each dispersion pipe 1222, the other end of three dispersion pipes 1222
It connect with furnace roof, and is connected to boiler smoke channel, steel ball is uniformly sowed on boiler heating surface.
Referring to Fig. 1, further, waste heat boiler 10 further includes circulating steel ball conveying device 13, circulating steel ball conveying dress
Setting 13 includes a driving gear 131, three driven gears 132, double strand chain 133, steel ball totebox 134, rectification bars
135, reversing wheel 136,131, three driven gears 132 of a driving gear are set in turn at four angles of braced frame, double
Chain 133 is successively wound in 131, three driven gears 132 of a driving gear and forms a closed rectangle chain ring, double
Steel ball totebox 134 is hung between two chains of chain 133, steel ball totebox 134 can be with respect to double strand chain 133 around its turn
Dynamic center rotates in perpendicular, and multiple steel ball toteboxs 134 are uniformly distributed along rectangle chain ring, the center of gravity of steel ball totebox 134
It is biased to its center of rotation side, so that steel ball totebox 134 restores the upward state in its open end, rectification bar by self weight
135, reversing wheel 136 is fixedly installed in braced frame, and rectification bar 135 is located at the top of horizontal segment under rectangle chain ring,
135 level of rectification bar horizontal section length direction under rectangle chain ring is arranged, and the both ends of rectification bar 135 are bent up
Song, so that 135 lower horizontal of rectification bar is close in the 134 open end end face of steel ball totebox under rectangle chain ring on horizontal segment
Mobile, steel ball totebox 134 is equipped with shifting part 1341, and the steel ball totebox 134 under rectangle chain ring on horizontal segment is transported to the right
Row, the free end that shifting part 1341 stirs third connecting rod 118 is rotated around the second rotation axis 1181, so that steel in valve body 112
Pearl 1121 falls from steel ball outlet, successively by oblique flow pipe 114, being flexible coupling 115 enters in the steel ball totebox 134, reversing wheel
136 are located at the lower section of horizontal segment on rectangle chain ring, and the steel ball totebox 134 on rectangle chain ring on horizontal segment is run to the left,
The top of reversing wheel 136 is higher than 134 bottom of steel ball totebox, to stop the steel ball totebox 134 to run to the left, so that the steel ball
Totebox 134 rotates around it center rotating with respect to double strand chain 133, so that the steel ball in the steel ball totebox 134 is poured into and broadcast
Collection bucket 121 is spread, 134 bottom of steel ball totebox in 90 ° of inverted status is higher than the top of reversing wheel 136, so that the steel ball
Totebox 134 is run to the left.
Module or unit in the device of that embodiment of the invention can be combined, divided and deleted according to actual needs.
The above disclosure is only the preferred embodiments of the present invention, cannot limit the right model of the present invention with this certainly
It encloses, those skilled in the art can understand all or part of the processes for realizing the above embodiment, and wants according to right of the present invention
Made equivalent variations is sought, is still belonged to the scope covered by the invention.
Claims (5)
1. one kind does not shut down mineral heating furnace flue recovery of micro silicon powder system, it is characterised in that: including incinerator, waste heat boiler, micro- silicon
Powder separator, negative-pressure air fan, synchronous back blowing dust removal device, the incinerator have a closed hemispherical furnace body, furnace body
Left side is circular flat, and several flue gas shunting entrances are evenly equipped on left side, each flue gas shunting entrance corresponds to one
The high-temperature flue gas discharge outlet of a mineral hot furnace connects, and the right side opposite with left side is hemisphere face, and right side center has one
Flue gas summarizes mouth, and flue gas summarizes the upper end entrance connection of the exhaust gases passes of mouth and waste heat boiler, and the left side of furnace body also has one
A air intake, so as to carbon dioxide is generated into the oxygen combustion in the carbon monoxide and air in the high-temperature flue gas of furnace body,
The heat of CO burning release is delivered to waste heat boiler, and the waste heat boiler includes being heated by the boiler that coiled pipe group is constituted
Face forms the boiler smoke channel of a sealed passage, the furnace bottom of boiler smoke the bottom of the channel setting in boiler heating surface surrounding,
Furnace bottom is equipped with steel ball collection device, and steel ball collection device includes separator box, valve body, spool, oblique flow pipe, is flexible coupling, the first company
Bar, second connecting rod, third connecting rod, clump weight, separator box upper and lower ends opening, separator box upper end opening are opened with exhaust gases passes lower end
Mouth connection, so that the steel ball flue dust mixture in exhaust gases passes enters separator box, is provided with multiple rows of tooth in separator box from top to down
Item, the rack gear are horizontally disposed column, and the rack gear between adjacent two rows is staggered, and the side of separator box is provided with cigarette
Dirt outlet is equipped with sieve in flue dust outlet, and the sieve pore of the sieve is less than the diameter of steel ball, and valve body upper and lower ends are opened
Mouthful, valve body upper end opening is connect with separator box lower ending opening, and the side of valve body is provided with steel ball outlet, the steel ball outlet
It is connect with the entrance of oblique flow pipe, the outlet of oblique flow pipe is connect with the entrance being flexible coupling, and spool lateral wall and valve body inner sidewall are close
Envelope connection, spool can move along a straight line up and down along valve body side wall, the roof inclined design of spool, and the roof inclined-plane of spool is to steel ball
It exports side to extend, the first rotation axis, the second rotation axis are fixed on furnace bottom, and the upper end of first connecting rod and spool are hinged, and second connects
The left end of bar and first connecting rod middle-end are hinged, and the right end of second connecting rod is equipped with clump weight, the middle-end of second connecting rod with first turn
Moving axis rotation connection, the upper end of third connecting rod and the lower end of first connecting rod are hinged, and the lower end of third connecting rod is free end, and third connects
The middle-end of bar and the second rotation axis are rotatablely connected, and the flue dust outlet is connect with the entrance of SILICA FUME separator, SILICA FUME separation
The outlet of device and the entrance of negative-pressure air fan connect, and the synchronous back blowing dust removal device includes disk switching valve, No.1 bag-type dust
Device, No. two bag filters, No. three bag filters, the disk switching valve include a cylinder shape valve and a 8-shaped
Rotation lid, the valve body is hollow, and the right side circular end face of valve body is equipped with a total air inlet, total air inlet and negative-pressure air fan
Outlet connection, the left side circular end face of valve body is equipped with No.1 air outlet, No. two air outlets, No. three air outlets, No.1 air outlet,
No. two air outlets, No. three air outlet diameters are identical, and No.1 air outlet, No. two air outlets, No. three air outlets are with the left end face center of circle
Uniformly distributed, No.1 air outlet, No. two air outlets, No. three air outlets pass through pipeline respectively and No.1 bag filter, No. two cloth bags remove
The smoke air inlet connection of dirt device, No. three bag filters, the left side circular end face of valve body be additionally provided with No.1 back blow port, No. two it is anti-
Mouthpiece, No. three back blow ports, No.1 back blow port, No. two back blow ports, No. three back blow port diameters are identical, No.1 back blow port, No. two blowbacks
Mouth, No. three back blow ports are uniformly distributed with the left end face center of circle, and No.1 back blow port, No. two back blow ports, No. three back blow ports pass through pipeline respectively
The connection of blowback air inlet, No.1 are connect with the air inlet of No.1 bag filter, No. two bag filters, No. three bag filters
Air outlet center, No.1 back blow port center, the valve body left end face center of circle are conllinear, No.1 back blow port center to valve body left end face circle
The distance of the heart is less than No.1 air outlet center to the distance in the valve body left end face center of circle, and the 8-shaped rotation lid is internally located at valve
Body, the 8-shaped rotation lid have one big end cap and small end cover, and big end cap and small end cover are circle, and small end cover is equipped with
Communication port, big end cap are co-axially mounted with valve body left end face, and the 8-shaped rotation lid is driven by stepper motor, with opposite valve
Body rotation, big end cap central, communication port center, small end cover center are conllinear, and communication port is between big end cap and small end cover, greatly
The diameter of end cap is greater than No.1 back blow port center to the distance in the valve body left end face center of circle, and the diameter of big end cap is less than No.1 outlet air
Mouth center is to the distance in the valve body left end face center of circle, and the diameter of small end cover greater than the diameter of No.1 air outlet, arrive by small end cover center
It is equal to the distance in the No.1 air outlet valve body left end face center of circle to the distance in the valve body left end face center of circle, communication port center is to valve
The distance in the body left end face center of circle is equal to the distance in the No.1 back blow port valve body left end face center of circle.
2. not shutting down mineral heating furnace flue recovery of micro silicon powder system as described in claim 1, it is characterised in that: the SILICA FUME point
It include separable cartridge, escape pipe from device, the inner cavity of separable cartridge is an enclosure space, and the upper section of the separable cartridge is column
The lower section of body, the separable cartridge is cone, and the top of separable cartridge is provided with left air inlet, right air inlet, the left air inlet
Mouthful, right air inlet structure it is identical, the left air inlet, right air inlet are uniformly distributed along separable cartridge ring wall, the left air inlet, it is right into
Air port is vertically arranged, so that high-temperature flue gas is reversely horizontally entered into the tangent line of the upper section of separable cartridge in the upper section of separable cartridge
Chamber, the left air inlet, the airintake direction of right air inlet are identical, and escape pipe, the escape pipe are equipped at the top of separable cartridge
Upper end expose separable cartridge, the lower end of escape pipe extends in separable cartridge, and to the lower section of separable cartridge, and the flue dust goes out
Mouth is connect with left air inlet, right air inlet, the entrance connection of the escape pipe upper end port and negative-pressure air fan.
3. not shutting down mineral heating furnace flue recovery of micro silicon powder system as claimed in claim 2, it is characterised in that: the escape pipe
The ratio of the caliber of the upper section of caliber and separable cartridge is 2, the width of the height value of the left air inlet and the left air inlet
The ratio of value is 2, and the ratio of the height value of the lower section of the height value and separable cartridge of the separable cartridge is 2.
4. not shutting down mineral heating furnace flue recovery of micro silicon powder system as described in claim 1, it is characterised in that: the waste heat boiler
It further include the furnace roof of boiler smoke channel roof setting, furnace roof is equipped with steel ball sowing apparatus, and the steel ball sowing apparatus includes broadcasting
Spread collection bucket, steel ball sowing guide device, the setting of steel ball sowing guide device is being sowed below collection bucket, and with sow collection bucket
Delivery outlet connection；Steel ball sowing guide device includes tube bundle and at least three dispersion pipes；The upper end of tube bundle with broadcast
The delivery outlet connection of collection bucket is spread, the lower end of tube bundle is connected to one end of each dispersion pipe, the other end of three dispersion pipes
It connect with furnace roof, and is connected to boiler smoke channel, steel ball is uniformly sowed on boiler heating surface.
5. not shutting down mineral heating furnace flue recovery of micro silicon powder system as claimed in claim 4, it is characterised in that: the waste heat boiler
Further include circulating steel ball conveying device, the circulating steel ball conveying device include a driving gear, three driven gears,
Double strand chain, steel ball totebox, rectification bar, reversing wheel, a driving gear, three driven gears are set in turn in support
At four angles of frame, double strand chain is successively wound in a driving gear, three driven gears form a closed rectangle chain
Ring has hung steel ball totebox between two chains of double strand chain, and the steel ball totebox can be with respect to double strand chain around it
Center of rotation rotates in perpendicular, and multiple steel ball toteboxs are uniformly distributed along rectangle chain ring, and the center of gravity of steel ball totebox is biased to
Its center of rotation side, so that steel ball totebox restores the upward state in its open end, rectification bar, reversing wheel by self weight
It is fixedly installed in braced frame, the rectification bar is located at the top of horizontal segment under rectangle chain ring, rectification bar water
Horizontal section length direction is arranged under flat edge rectangle chain ring, and the both ends of rectification bar are bent upwards, so that under rectangle chain ring
The movement of rectification bar lower horizontal is close in steel ball totebox open end end face on horizontal segment, and steel ball totebox is equipped with and stirs
Part, the steel ball totebox under rectangle chain ring on horizontal segment are run to the right, and shifting part stirs the free end of the third connecting rod
It is rotated around the second rotation axis, so that steel ball is fallen from steel ball outlet in valve body, successively passes through oblique flow pipe, is flexible coupling into the steel
In pearl totebox, the reversing wheel is located at the lower section of horizontal segment on rectangle chain ring, the steel ball on rectangle chain ring on horizontal segment
Totebox is run to the left, and the top of reversing wheel is higher than steel ball totebox bottom, to stop the steel ball totebox to run to the left, so that
The steel ball totebox rotates around it center rotating with respect to double strand chain, so that the steel ball in the steel ball totebox pours into and sows receipts
Collection bucket, the steel ball totebox bottom in 90 ° of inverted status is higher than the top of reversing wheel, so that the steel ball totebox is transported to the left
Row.
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| CN201910345387.7A CN110057202B (en) | 2019-04-26 | 2019-04-26 | Non-stop submerged arc furnace flue gas micro silicon powder recovery system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110948397A (en) * | 2019-11-04 | 2020-04-03 | 深圳市能源环保有限公司 | Sand blasting and ash removing method for waste heat boiler heating surface of waste incineration power plant |
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