CN202575414U - Dust collecting device for machine head dedusting of sintering machine - Google Patents
Dust collecting device for machine head dedusting of sintering machine Download PDFInfo
- Publication number
- CN202575414U CN202575414U CN 201220194715 CN201220194715U CN202575414U CN 202575414 U CN202575414 U CN 202575414U CN 201220194715 CN201220194715 CN 201220194715 CN 201220194715 U CN201220194715 U CN 201220194715U CN 202575414 U CN202575414 U CN 202575414U
- Authority
- CN
- China
- Prior art keywords
- intermediate bin
- ash
- valve
- dry
- dry ash
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Gasification And Melting Of Waste (AREA)
Abstract
The utility model discloses a dust collecting device for machine head dedusting of a sintering machine. The dust collecting device comprises a temperature transmitter arranged on an outlet of a machine head deduster; the upper end of a bilayer discharge valve is connected with the bottom of dust hopper, and the lower end of the bilayer discharge valve is connected with a feed hole of a branch scraper; a discharge hole of the branch scraper is connected with a feed hole of a master scraper, a discharge hole of the master scraper is connected with a feed hole of a hopper lifter, and two discharge holes of the hopper lifter are respectively connected with tops of a wet-dust intermediate bin and a dry-dust intermediate bin through an intermediate bin switching valve; the bottom of the wet-dust intermediate bin is connected with a wet-dust discharge device, the lower part of the dry-dust intermediate bin is provided with a material level gauge of the dry-dust intermediate bin, a pneumatic conveying device which operates based on a material level signal of the material level gauge of the dry-dust intermediate bin is arranged at the bottom of the dry-dust intermediate bin and is connected with a bunker, all parts are electrically connected to a control system and are automatically controlled after being subjected to program operation. According to the utility model, the classified treatment of wet dust and dry dust is realized automatically, accurately and stably, and the safety, high efficiency and stability of operation are guaranteed.
Description
Technical field
The utility model relates to the technical field of the recycling of metallurgy industry sintering plant agglomerated powder, particularly a kind of regenerative apparatus of sintering device handpiece dedusting ash.
Background technology
Sintering machine can produce the waste gas of a large amount of dust-ladens ashes in sintering process, the dust-laden exhaust gas of generation generally carries out exhaust to atmosphere behind the collecting dust-removing through dust exhaustor at present.In addition, since sintering process determined sintering device handpiece dust exhaustor operation negative pressure high, generally at 10～20KPa; Flue-gas temperature changes greatly, generally between 70～200 ℃; Humidity is higher in the flue gas, and about about 3～10%; The flue gas dew point temperature is higher, generally at 70～80 ℃.
The remarkable characteristic of head dedusting ash is to have certain water capacity, and K
2O and Na
2O content is high, and viscosity is big, and flowing power is poor, and the water capacity of the head dedusting dry ash under the normal circumstances is generally about 5%.Because the flue gas dew point temperature is higher; The water capacity of head dedusting ash is leaked out by ash bucket and actual flue-gas temperature influences bigger; When sintering machine opens, in shutdown stage and the sintering machine operational process; After being low to moderate dew temperature like flue-gas temperature, the water vapor condensation dewfall can cause that water capacity increases considerably in the head dedusting ash in the flue gas, can be as mud when serious.
Higher through the collected dirt ash of head dust exhaustor owing to iron-holder; Generally get into the sintered material system once more as raw materials for sintering; Again carry out sintering after preparing burden, the ore deposit groove that the ash of head dust exhaustor collection at present is transported to feed proportioning system generally has following several kinds of modes:
One, after the dirt ash descends from ash bucket, regularly scrapes to bucket elevator through the scraper plate machine earlier, be promoted to intermediate bin, gather the ore deposit groove of the interior agglomerated powder of intermediate bin by vehicular transport to feed proportioning system by bucket elevator.This kind mode since no matter the still wet ash of dry ash all adopt vehicular transport, and can't realize in the transportation sealing fully, can cause leakage inevitably, be very easy to cause agglomerated powder to reveal contaminated environment, simultaneously, operating cost is higher;
Two, after the dirt ash descends from ash bucket, regularly scrape to bucket elevator through the scraper plate machine earlier, be promoted to intermediate bin, gather the interior head dedusting ash of intermediate bin is delivered to feed proportioning system by belt ore deposit groove by bucket elevator.This kind mode exists belt conveyor all can't realize sealing fully, causes agglomerated powder to reveal contaminated environment easily, and simultaneously, owing to carry out the belt trestle that the belt conveying needs to build long distance, not only floor area is big, and the construction period is long, cost of investment is high.Because dry ash and wet ash carry out the accurate classification discharging, when the wet ash that produces gets into the ore deposit groove, minister's time very easily causes the normally blanking of ore deposit groove after piling up within it;
Three, after the dirt ash descends from ash bucket, regularly scrape to bucket elevator through the scraper plate machine earlier, be promoted to intermediate bin, gather the interior agglomerated powder of intermediate bin is delivered to feed proportioning system by Pneumatic conveyer ore deposit groove by bucket elevator.After this kind mode exists dedusting ash humidity to increase; Because getting into Pneumatic conveyer, the dedusting ash of the high humidity of intermediate bin can cause system normally to move; A series of problems such as frequent plugging and storehouse pump, the serious bonding of delivery duct appear; Need often to carry out the labor cleaning to storehouse pump, delivery duct etc., the big and system of labour intensity can't be safely, stable, move efficiently;
Four, after the dirt ash descends from ash bucket, the ore deposit groove of direct mount storehouse pump delivery to feed proportioning system.Adopt at present system that this kind mode carries because not thorough to the understanding of sintering powder property during design, cause dedusting ash humidity to increase after, system can't normally move, and a series of problems such as frequent plugging and storehouse pump, delivery duct bonding occur.Needs are artificial after finding the problems referred to above to occur clears up storehouse pump, delivery duct etc., need carry out manual work to wet ash in the ash bucket simultaneously and unload ash, and big, dangerous height of labour intensity and system can't be safely, stablize, move efficiently.In addition; Because the storehouse pump is installed under the ash bucket; Cause storehouse pump equalizing pipe can only insert ash bucket; To get into the head dust exhaustors inner and have a large amount of weary gas when each charging of storehouse pump or Pneumatic conveyer plugging, causes very easily that smoke condensation, head dedusting ash humidity significantly increase in the head dust exhaustor, causes the frequent plugging of Pneumatic conveyer, bonding and even systemic breakdown.
In addition, first kind with the second way in, the scraper plate machine that the head dust exhaustor is equipped with down, the operation scheme to bucket elevator is regularly scraped in general employing.Though the dust stratification in ash bucket has formed grey envelope; Avoided the ash bucket discharge port of high negative pressure to leak out; But, system does wet degree because can't judging dedusting ash real-time in the ash bucket; After the humidity of dedusting ash increased, still long-time accumulation very easily caused bonding, bridging even situation that can't blanking in ash bucket.
In sum, more than several kinds of modes all are the system problems that the reclaiming scrap that wet ash causes occurs going behind the wet ash solving again, solve from the source all that the wet ash of dust exhaustor is judged with dry ash automatically and automatically, accurate, environmental protection, classification processing problem efficiently.Therefore, the applicant does further research to this, develops sintering device handpiece dedusting ash regenerative apparatus, and this case produces thus.
The utility model content
The purpose of the utility model is to provide sintering device handpiece dedusting ash regenerative apparatus, has realized automatic, accurate, the stable classification processing of wet ash and dry ash, guarantees safe, the efficient and stability of operation.
To achieve these goals, the technical scheme of the utility model is following:
Sintering device handpiece dedusting ash regenerative apparatus comprises temperature transmitter, ash bucket, double-deck discharge valve, branch scraper plate machine, main scraper plate machine, bucket elevator, intermediate bin transfer valve, wet grey intermediate bin, dry ash intermediate bin, wet grey device for discharging, dry ash intermediate bin level-sensing device, Pneumatic conveyer, ore deposit groove and control system; Be installed on the temperature transmitter in the exit of head dust exhaustor; The upper end of double-deck discharge valve is connected with the ash bucket bottom, and the lower end is connected with the inlet point that divides the scraper plate machine; Divide the discharging opening of scraper plate machine to be connected with the inlet point of main scraper plate machine, the discharging opening of main scraper plate machine is connected with the inlet point of bucket elevator, and two discharging openings of bucket elevator are connected through the top of intermediate bin transfer valve with wet grey intermediate bin and dry ash intermediate bin respectively; The bottom of wet grey intermediate bin is connected with wet grey device for discharging; The bottom of dry ash intermediate bin is equipped with dry ash intermediate bin level-sensing device; Pneumatic conveyer according to the operation of the material level signal of dry ash intermediate bin level-sensing device is installed on dry ash intermediate bin bottom; Pneumatic conveyer is connected with the ore deposit groove, and each parts is through being electrically connected to control system, through carrying out automatic guidance behind the sequential operation.
Preferably, temperature transmitter is installed on the exhaust pass of head dust exhaustor or exports loudspeaker.
Preferably, the ash bucket level-sensing device of measuring ash bucket material level situation is installed on the bottom of ash bucket, through being electrically connected to control system.
Preferably, double-deck discharge valve has last valve and lower valve, between last valve and the lower valve cavity is arranged, and last valve, lower valve and cavity are in same line of centers.
Preferably, on the top of wet grey intermediate bin and dry ash intermediate bin, intermediate bin high charge level meter is installed also.
Preferably, on the top of wet grey intermediate bin and dry ash intermediate bin, the intermediate bin bag dust collector also is installed or be equipped with one with the prepare burden exhaust column bonded assembly exhaust column of dust exhaustor of sintering machine.
Preferably, Pneumatic conveyer is made up of storehouse pump, inlet valve, bleeder valve, balance cock, block clearing material valve, storehouse pump air system, delivery duct, pressure transformer and delivery duct air system; Inlet valve one end is connected with dry ash intermediate bin bottom through slip joint, manual push-pull valve and tremie pipe, and the other end is connected with pump top, storehouse; Bleeder valve one end is connected with pump bottom, storehouse, and the other end is connected with delivery duct; Balance cock one end is connected with pump top, storehouse, and the other end is connected with the top of dry ash intermediate bin through pipeline; One end of block clearing material valve is connected with delivery duct through block clearing material pipe, and the other end is connected with dry ash intermediate bin top through block clearing material pipe, and delivery duct one end is connected with delivery duct air system and bleeder valve, and the other end is connected with the ore deposit groove; Pressure transformer is installed on the initiating terminal of pump top, storehouse or delivery duct, through being electrically connected to control system.
Preferably, on wet grey intermediate bin and dry ash intermediate bin, also having additional the auxiliary blanking device of intermediate bin, can be hopper wall vibrator or sound wave ash cleaner, and the wet grey intermediate bin below the setting height(from bottom) or the volume of dry ash intermediate bin are below 5 times of storehouse pump volume.
Preferably, dry ash intermediate bin level-sensing device is installed on the bottom of dry ash intermediate bin, and the dry ash intermediate bin volume below the setting height(from bottom) is below 3 times of storehouse pump volume.
After adopting such scheme, the utlity model has following advantage:
One, owing to contrasting automatically, the real-time flue-gas temperature through the temperature transmitter feedback judges whether flue gas exists the dewfall phenomenon in the head dust exhaustor; Thereby can select the way of recycling of head dedusting ash automatically; Realize automatic, the accurate classification processing of wet ash and dry ash, guaranteed safe, stable, the efficient operation of head dedusting ash regenerative apparatus.
Two, the head dedusting ash is through behind double-deck discharge valve, scraper plate machine and the bucket elevator; Automatically select to get into wet grey intermediate bin or dry ash intermediate bin; The reliability and the high efficiency of automatic classification processing have been guaranteed; Fundamentally solved the safe, stable of wet ash and handle efficiently, avoided simultaneously in the prior art, wet ash gets into the generation of serious bonding phenomenons such as system's plugging that Pneumatic conveyer possibly cause and delivery duct, valve.
Three, owing to divide the charging of scraper plate machine; Be to accomplish through the form of double-deck discharge valve feed according to ash bucket material level situation; The ash envelope of certain altitude is all arranged at the ash bucket bottom under the normal circumstances that makes; And double-deck discharge valve has in charging and discharge process and prevents that the effect and the operation process that leak out from guaranteeing; Avoided the discharge gate of cool exterior air bottom ash bucket to get into the generation of the smoke condensation phenomenon that possibly cause in the high negative pressure dust exhaustor, guaranteed that wet ash amount does not cause the cause of smoke condensation to increase because of the ash bucket discharge leaks out.
Four, owing to be installed on the form operation that the Pneumatic conveyer of dry ash intermediate bin bottom is the material level signal triggering of employing dry ash intermediate bin level-sensing device; Conscientiously avoid the dry ash intermediate bin not have " the empty race " phenomenon of Pneumatic conveyer under the material situation, reduced energy consumption and system wear.
Five, since the dry ash intermediate bin when the pump charging of Pneumatic conveyer storehouse; The auxiliary blanking device of intermediate bin and inlet valve, balance cock synchro switch implementation of processes have been guaranteed the smoothness of dry ash intermediate bin blanking, and dedusting ash connects the generation of phenomenons such as arch, bridging in the dry ash intermediate bin of having avoided occurring.
Six, because Pneumatic conveyer has adopted regularly cleaning technology of delivery duct, avoided storehouse pump, valve and the delivery duct of Pneumatic conveyer dedusting ash bonding phenomenon possibly occur, guaranteed safe, efficient, the smooth operation of Pneumatic conveyer.
Description of drawings
Fig. 1 is the scheme drawing of the utility model;
Fig. 1 a is the scheme drawing of the double-deck discharge valve of the utility model;
Fig. 1 b is the scheme drawing of the utility model Pneumatic conveyer;
Fig. 2 is the temperature transmitter scheme of installation of the utility model:
Fig. 3 is the scheme drawing of auxiliary blanking of the utility model intermediate bin and dry ash intermediate bin level-sensing device device setting height(from bottom);
Label declaration
Temperature transmitter 11 exhaust pass 1 outlet loudspeaker 2
Ash bucket 12 ash bucket level-sensing devices 121
Valve 131 on the double-deck discharge valve 13
Divide scraper plate machine 14 inlet points 141 discharging openings 142
Main scraper plate machine 15 inlet points 151 discharging openings 152
Intermediate bin transfer valve 17 wet grey intermediate bins 18
Dry ash intermediate bin 19 wet grey devices for discharging 20
Dry ash intermediate bin level-sensing device 21 Pneumatic conveyers 22
Manual push-pull valve 2211 tremie pipes 2212
Storehouse pump 222 bleeder valves 223
Block clearing material valve 225 block clearing material pipes 2250
Storehouse pump air system 226 delivery ducts 227
Intermediate bin bag dust collector 25 intermediate bins are assisted blanking device 26.
The specific embodiment
Below in conjunction with specific embodiment the utility model is further described.
Like Fig. 1, shown in Figure 2; The sintering device handpiece dedusting ash regenerative apparatus that the utility model discloses comprises temperature transmitter 11, ash bucket 12, double-deck discharge valve 13, divides scraper plate machine 14, main scraper plate machine 15, bucket elevator 16, intermediate bin transfer valve 17, wet grey intermediate bin 18, dry ash intermediate bin 19, wet grey device for discharging 20, dry ash intermediate bin level-sensing device 21, Pneumatic conveyer 22, ore deposit groove 23 and control system (not drawing among the figure).
As shown in Figure 2, temperature transmitter 11 is installed on the exit of head dust exhaustor, specifically can be installed in the exhaust pass 1 of head dust exhaustor or export loudspeaker 2, so that better measure the temperature of flue gas as required.The effect of temperature transmitter 11 is whether the temperature of measuring flue gas is lower than the flue gas dew point desired temperature.The flue gas dew point desired temperature is meant before sintering machine starts; At first calculating the flue gas dew point temperature according to parameter such as sulphur content, moisture content amount in sintering machine operation process, fuel and the raw material, is that benchmark is set the flue gas dew point desired temperature then with result of calculation.Be not higher than the dew temperature setting value like flue-gas temperature, then system gets into automatically immediately and is lower than the dew temperature operational mode; As be higher than the dew temperature setting value, then system gets into normal operation mode automatically.
The upper end of double-deck discharge valve 13 is connected with the bottom of ash bucket 12, and the lower end is connected with the inlet point 141 that divides scraper plate machine 14; Divide the discharging opening 142 of scraper plate machine 14 to be connected with the inlet point 151 of main scraper plate machine 15; The discharging opening 152 of main scraper plate machine 15 is connected with the inlet point 161 of bucket elevator 16; Bucket elevator 16 also has two discharging openings 162, and one of them discharging opening 162 is connected through the top of intermediate bin transfer valve 17 with wet grey intermediate bin 18, and the bottom of wet grey intermediate bin 18 is connected with wet grey device for discharging 20; Like this, just, can the ash that wet be collected and finish.Another discharging opening 162 of bucket elevator 16 is connected through the top of intermediate bin transfer valve 17 with dry ash intermediate bin 19; The bottom of wet grey intermediate bin 18 and dry ash intermediate bin 19 is the shape of cone; The bottom of dry ash intermediate bin 19 is equipped with dry ash intermediate bin level-sensing device 21; Be installed on the bottom of dry ash intermediate bin 19 according to the Pneumatic conveyer 22 of the material level signal of dry ash intermediate bin level-sensing device 21 operation; Pneumatic conveyer 22 is connected with ore deposit groove 23, and each parts is through being electrically connected to control system, through carrying out automatic guidance behind the sequential operation.Owing to adopted the form of the material level signal triggering of dry ash intermediate bin level-sensing device 21; Conscientiously avoided under the dry ash intermediate bin 19 no material situation; " the empty race " of Pneumatic conveyer 22; (promptly do not have under the situation of ash conveying at dry ash intermediate bin 19, Pneumatic conveyer 22 is operation always also) reduced energy consumption and system wear.
Can control the material level of ash bucket 12 through ash bucket 12 blanking wait times are set; In the present embodiment; In order to control the material level of ash bucket 12 more accurately; Ash bucket level-sensing device 121 is installed in the bottom that is ash bucket 12, and ash bucket level-sensing device 121 has the effect of measuring ash bucket 12 material levels, through being electrically connected to control system.
Preferably, shown in Fig. 1 a, double-deck discharge valve 13 has last valve 131 and lower valve 132, and the cavity 133 of certain volume is arranged between last valve 131 and the lower valve 132, and last valve 131, lower valve 132 and cavity 133 are in same line of centers.The last valve 131 of double-deck discharge valve 13 and the design of lower valve 132 can prevent in charging or discharge process, to leak out, and guarantee system safety operation.The operation scheme of double-deck discharge valve 13 is: when incipient state, last valve 131 all is in closed condition with lower valve 132, in minute scraper plate machine 14 fill process; At first go up valve 131 and open, start simultaneously feed timer (not drawing among the figure),, close to close valve 131 when the charging timing arrives; Double-deck discharge valve 13 gets into the discharge stage, opens the lower valve 132 of double-deck discharge valve 13 this moment, starts the discharge timer simultaneously, and valve 131 is in closed condition on this moment; When the discharge timing arrives; Then close lower valve 132, double-deck discharge valve 13 is accomplished to 14 fill process of minute scraper plate machine, gets into then to minute next circulation of scraper plate machine 14 chargings.
In the present embodiment,, influence the normal use of system, on the top of wet grey intermediate bin 18 and dry ash intermediate bin 19, intermediate bin high charge level meter 24 is installed also in order to prevent wet grey intermediate bin 18 and the problem that buying securities with all one's capital appears in dry ash intermediate bin 19.
The working mechanism of bag dust collector is that dusty gas passes through filter material, and grit is filtered.In the present embodiment, on the top of wet grey intermediate bin 18 and dry ash intermediate bin 19, intermediate bin bag dust collector 25 is installed also.The effect of bag dust collector 25 is to give the airborne dust that bucket elevator 16 produces to remove through bag-type dust in wet grey intermediate bin 18 or dry ash intermediate bin 19 blanking processes.Perhaps, also can on wet grey intermediate bin 18 and dry ash intermediate bin 19, an exhaust column be installed, its exhaust column with sintering machine batching dust exhaustor is connected, and also can improve the effect of dedusting.
Preferably, shown in Fig. 1 b, Pneumatic conveyer 22 is made up of inlet valve 221, storehouse pump 222, bleeder valve 223, balance cock 224, block clearing material valve 225, storehouse pump air system 226, delivery duct 227, pressure transformer 228 and delivery duct air system 229.One end of inlet valve 221 is connected with the bottom of dry ash intermediate bin 19 through slip joint 2210, manual push-pull valve 2211 and tremie pipe 2212, and the other end is connected with the top of storehouse pump 222; One end of bleeder valve 223 is connected with the bottom of storehouse pump 222, and the other end is connected with delivery duct 227; Balance cock 224 1 ends are connected with the top of storehouse pump 222, and the other end is connected with the top of dry ash intermediate bin 19 through pipeline 2240; One end of block clearing material valve 225 is connected with delivery duct 227 through block clearing material pipe 2250; The other end is connected with dry ash intermediate bin 19 tops through block clearing material pipe 2250; One end of delivery duct 227 is connected with delivery duct air system 229 and bleeder valve 223, and the other end is connected with ore deposit groove 23; Pressure transformer 228 is installed on the initiating terminal of storehouse pump 222 tops or delivery duct 227, through being electrically connected to control system.
Preferably; In order to make blanking more smooth and easy; On wet grey intermediate bin 18 and dry ash intermediate bin 19, also having additional the auxiliary blanking device 26 of intermediate bin, can be storehouse vibrational device (be called for short " storehouse shakes ", mainly avoid feed bin internal interface arch or glue wall through vibration) or sound wave ash cleaner; In the present embodiment; Consider based on storehouse pump delivery number of times and storehouse pump, feed bin volume ratio that mainly the auxiliary blanking device 26 of intermediate bin is installed, and dry ash intermediate bin 19 volumes below its setting height(from bottom) are below 5 times of storehouse pump 222 volumes on dry ash intermediate bin 19.As shown in Figure 3, pump 222 volumes in storehouse are V, and 19 storage capacity is V1 in the middle of the dry ash below auxiliary blanking device 26 setting height(from bottom)s of intermediate bin, V1/V＜5.Owing to implemented the synchro switch technology of the auxiliary blanking device 26 of intermediate bin with inlet valve 221, balance cock 224, guaranteed the smoothness of dry ash intermediate bin 19 blankings, dedusting ash connects the generation of phenomenons such as arch, bridging in the dry ash intermediate bin of having avoided occurring 19.In like manner, the auxiliary blanking device 26 of intermediate bin is installed on wet grey intermediate bin 18, wet grey intermediate bin 18 volumes below its setting height(from bottom) are below 5 times of storehouse pump 222 volumes.
Preferably, dry ash intermediate bin level-sensing device 21 is installed on the bottom of dry ash intermediate bin 19, and dry ash intermediate bin 19 volumes below the setting height(from bottom) are below 3 times of storehouse pump 222 volumes.As shown in Figure 3, pump 222 volumes in storehouse are V, and dry ash intermediate bin 19 volumes below dry ash intermediate bin level-sensing device 21 setting height(from bottom)s are V2, V2/V＜3.
Under the normal operation mode, the operation scheme of Pneumatic conveyer 22 can be divided into forced service and two kinds of automatic operational modes of material level operational mode.When being in the forced service mode state, Pneumatic conveyer 22 moves always automatically, and the material level signal according to dry ash intermediate bin level-sensing device 21 does not carry out automatic start-stop; When being in the material level mode of operation state, then Pneumatic conveyer 22 carries out automatic start-stop according to the material level signal of dry ash intermediate bin level-sensing device 21.Promptly when reporting to the police appearred in dry ash intermediate bin level-sensing device 21, Pneumatic conveyer 22 moved automatically, and after the material level alerting signal of dry ash intermediate bin level-sensing device 21 disappeared, then Pneumatic conveyer 22 was out of service automatically.In the present embodiment, Pneumatic conveyer 22 is general to adopt the operation of material level operational modes, has only when dry ash intermediate bin level-sensing device 21 to break down or between turn(a)round, and the mode through the control system manual switching changes the forced service pattern over to.
A circulation when Pneumatic conveyer 22 moves automatically mainly comprised with the next stage: charging stage, pressurising stage, delivery phase.
Charging stage: open dry ash intermediate bin blanking auxiliary device 26, open balance cock 224 and inlet valve 221, when feed time arrives, then charging finishes, and stoppage in transit dry ash intermediate bin blanking auxiliary device 26 is closed inlet valve 221 and balance cock 224.Certainly, also can pump 222 tops be installed by storehouse pump level-sensing device (figure is last not to be drawn), can detect the material level situation of storehouse pump 222 in real time in the storehouse, through the signal of storehouse pump level-sensing device, the control charging.
The pressurising stage: after charging finishes, open 226 pairs of storehouse pumps of storehouse pump air system 222 and carry out pressurising, arrive when the pressurising time, then the pressurising stage finishes, and storehouse pump air system 226 continues to be held open state.
Delivery phase: open bleeder valve 223 and delivery duct air system 229, the head dedusting ash by storehouse pump 222 through delivery duct 227 entering ore deposit grooves 23.In the course of conveying, when pressure transformer 228 detected delivery pressures are lower than conveying end pressure set points, then close storehouse pump air system 226, delivery duct air system 229, bleeder valve 223 successively, delivery phase finishes, and system changes the charging stage over to.Detect delivery pressure like pressure transformer 228 and be higher than the plugging pressure set points; Then close storehouse pump air system 226, delivery duct air system 229 and bleeder valve 223 successively; Open balance cock 224 and block clearing material valve 225; System changes the automatic block clearing program over to, and system changes the pressurising stage automatically over to after automatic block clearing is accomplished.Because Pneumatic conveyer 22 technology that adopted delivery duct regularly to clear up, the dedusting ash bonding phenomenon of having avoided occurring has been guaranteed safe, efficient, the smooth operation of Pneumatic conveyer.
When number of run reached the cycle number of control system setting, system can carry out a regularly cleaning of delivery duct 227 automatically after delivery phase finishes when Pneumatic conveyer 22 moved automatically.Delivery duct 227 regularly scale removal process is after delivery phase finishes; System directly gets into the pressurising stage; When the pressure of storehouse pump 222 is pressurized to after pipeline cleaning pressure set points or pressurising time arrives, open bleeder valve 223 and delivery duct air system 229, the head dedusting ash that delivery duct 227 inwalls possibly adhere to is cleared up; When the pressure decay of delivery duct 227 when finishing pressure set points; Then regularly cleaning end of delivery duct 227, system changes the charging stage over to, starts strength simultaneously once more and carries operation cycle number counting machine automatically.
After the utility model starts, as flue-gas temperature be not higher than the dew temperature setting value then system get into automatically immediately and be lower than the dew temperature operational mode, as be higher than the dew temperature setting value then system get into normal operation mode automatically.
The operation scheme that is lower than the dew temperature operational mode is: at first the intermediate bin transfer valve 17 of wet grey intermediate bin 18 open, the intermediate bin transfer valve 17 of dry ash intermediate bin 19 cuts out, open successively then bucket elevator 16, time-delay T1 open second main scraper plate machine 15, time-delay T1 opens second divide scraper plate machine 14, the T1 that delays time opens double-deck discharge valve 13 second.Like this, wet ash through behind ash bucket 12, double-deck discharge valve 13, branch scraper plate machine 14, main scraper plate machine 15 and the bucket elevator 16, gets into wet grey intermediate bin 18 successively, again through wet grey device for discharging 20 collections.
When flue-gas temperature was higher than dew temperature, T2 was out of service automatically after second in the system delay operation.Mode out of service is divided a scraper plate machine 14 for the double-deck discharge valve 13 of stopping transport successively, time-delay T3 stopped transport after second, the T3 that delays time stopped transport after second main scraper plate machine 15, the T3 that delays time stops bucket elevator 16 after second again, and then, system goes to normal operation mode automatically.
The operation scheme of normal operation mode is: at first the intermediate bin transfer valve 17 of wet grey intermediate bin 18 close, the intermediate bin transfer valve 17 of dry ash intermediate bin 19 opens; Then after ash bucket 12 blanking wait times reach setting value, open bucket elevator 16, time-delay T1 successively and opens after second that main scraper plate machine 15, time-delay T1 are opened a minute scraper plate machine 14 after second, the T1 that delays time opens corresponding double-deck discharge valve 13 after second again.Like this; Dry ash through behind ash bucket 12, double-deck discharge valve 13, branch scraper plate machine 14, main scraper plate machine 15 and the bucket elevator 16, gets into dry ash intermediate bin 19, when reporting to the police appears in dry ash intermediate bin level-sensing device 21 successively; Pneumatic conveyer 22 moves automatically, carries dry ash to ore deposit groove 23.After the blanking time reaches setting value and arrives, the cooresponding double-deck discharge valve 13 of stopping transport successively, time-delay T3 stops transport after second divide a scraper plate machine 14, time-delay T3 stop transport after second main scraper plate machine 15, the T3 that delays time stops bucket elevator 16 and moves after second again.
The utility model contrasts automatically, judges through the real-time flue-gas temperature of temperature transmitter feedback whether flue gas exists the dewfall phenomenon in the head dust exhaustor; Thereby can select the way of recycling of head dedusting ash automatically, realize automatic, accurate, the stable classification processing of wet ash and dry ash.
The above-mentioned specific embodiment that is merely the utility model, but the design concept of the utility model is not limited thereto allly utilizes this design that the utility model is carried out the change of unsubstantiality, all should belong to the behavior of invading the utility model protection domain.
Claims (9)
1. sintering device handpiece dedusting ash regenerative apparatus is characterized in that: comprise temperature transmitter, ash bucket, double-deck discharge valve, branch scraper plate machine, main scraper plate machine, bucket elevator, intermediate bin transfer valve, wet grey intermediate bin, dry ash intermediate bin, wet grey device for discharging, dry ash intermediate bin level-sensing device, Pneumatic conveyer, ore deposit groove and control system; Be installed on the temperature transmitter in the exit of head dust exhaustor; The upper end of double-deck discharge valve is connected with the ash bucket bottom, and the lower end is connected with the inlet point that divides the scraper plate machine; Divide the discharging opening of scraper plate machine to be connected with the inlet point of main scraper plate machine, the discharging opening of main scraper plate machine is connected with the inlet point of bucket elevator, and two discharging openings of bucket elevator are connected through the top of intermediate bin transfer valve with wet grey intermediate bin and dry ash intermediate bin respectively; The bottom of wet grey intermediate bin is connected with wet grey device for discharging; The bottom of dry ash intermediate bin is equipped with dry ash intermediate bin level-sensing device; Pneumatic conveyer according to the operation of the material level signal of dry ash intermediate bin level-sensing device is installed on dry ash intermediate bin bottom; Pneumatic conveyer is connected with the ore deposit groove, and each parts is through being electrically connected to control system, through carrying out automatic guidance behind the sequential operation.
2. sintering device handpiece dedusting ash regenerative apparatus as claimed in claim 1 is characterized in that: temperature transmitter is installed on the exhaust pass of head dust exhaustor or exports loudspeaker.
3. sintering device handpiece dedusting ash regenerative apparatus as claimed in claim 1 is characterized in that: the ash bucket level-sensing device of measuring ash bucket material level situation is installed on the bottom of ash bucket, through being electrically connected to control system.
4. sintering device handpiece dedusting ash regenerative apparatus as claimed in claim 1, it is characterized in that: double-deck discharge valve has last valve and lower valve, between last valve and the lower valve cavity is arranged, and last valve, lower valve and cavity are in same line of centers.
5. sintering device handpiece dedusting ash regenerative apparatus as claimed in claim 1 is characterized in that: on the top of wet grey intermediate bin and dry ash intermediate bin, intermediate bin high charge level meter is installed also.
6. sintering device handpiece dedusting ash regenerative apparatus as claimed in claim 1; It is characterized in that: on the top of wet grey intermediate bin and dry ash intermediate bin, the intermediate bin bag dust collector also is installed or be equipped with one with the prepare burden exhaust column bonded assembly exhaust column of dust exhaustor of sintering machine.
7. sintering device handpiece dedusting ash regenerative apparatus as claimed in claim 1 is characterized in that: Pneumatic conveyer is made up of storehouse pump, inlet valve, bleeder valve, balance cock, block clearing material valve, storehouse pump air system, delivery duct, pressure transformer and delivery duct air system; Inlet valve one end is connected with dry ash intermediate bin bottom through slip joint, manual push-pull valve and tremie pipe, and the other end is connected with pump top, storehouse; Bleeder valve one end is connected with pump bottom, storehouse, and the other end is connected with delivery duct; Balance cock one end is connected with pump top, storehouse, and the other end is connected with the top of dry ash intermediate bin through pipeline; One end of block clearing material valve is connected with delivery duct through block clearing material pipe, and the other end is connected with dry ash intermediate bin top through block clearing material pipe, and delivery duct one end is connected with delivery duct air system and bleeder valve, and the other end is connected with the ore deposit groove; Pressure transformer is installed on the initiating terminal of pump top, storehouse or delivery duct, through being electrically connected to control system.
8. sintering device handpiece dedusting ash regenerative apparatus as claimed in claim 7; It is characterized in that: on wet grey intermediate bin and dry ash intermediate bin, also have additional the auxiliary blanking device of intermediate bin; Can be hopper wall vibrator or sound wave ash cleaner, the wet grey intermediate bin below the setting height(from bottom) or the volume of dry ash intermediate bin be below 5 times of storehouse pump volume.
9. sintering device handpiece dedusting ash regenerative apparatus as claimed in claim 7 is characterized in that: dry ash intermediate bin level-sensing device is installed on the bottom of dry ash intermediate bin, and the dry ash intermediate bin volume below the setting height(from bottom) is below 3 times of storehouse pump volume.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220194715 CN202575414U (en) | 2012-05-03 | 2012-05-03 | Dust collecting device for machine head dedusting of sintering machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220194715 CN202575414U (en) | 2012-05-03 | 2012-05-03 | Dust collecting device for machine head dedusting of sintering machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202575414U true CN202575414U (en) | 2012-12-05 |
Family
ID=47244853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220194715 Expired - Lifetime CN202575414U (en) | 2012-05-03 | 2012-05-03 | Dust collecting device for machine head dedusting of sintering machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202575414U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103884198A (en) * | 2014-04-09 | 2014-06-25 | 中冶北方（大连）工程技术有限公司 | Device and method for dust collection and discharge of sintering flue gas |
| CN104401733A (en) * | 2014-10-20 | 2015-03-11 | 无锡红旗除尘设备有限公司 | Sintering machine head dust removal static pressure concentrated-phase sectional boosting type pneumatic conveying method capable of preventing corrosion and pipe blocking due to adhesion |
| CN104495383A (en) * | 2014-11-12 | 2015-04-08 | 宁夏嘉翔自控技术有限公司 | Pulverized coal pneumatic conveying system for magnesium smelting |
| CN104555435A (en) * | 2014-12-25 | 2015-04-29 | 芜湖新兴铸管有限责任公司 | Pneumatic conveying method for dust precipitation |
| CN108485721A (en) * | 2018-04-20 | 2018-09-04 | 湖北三宁化工股份有限公司 | A kind of automatic ash conveying device of gas stove dust remover |
| CN110406992A (en) * | 2019-06-26 | 2019-11-05 | 中交第一航务工程勘察设计院有限公司 | Train loading building clout clears up system |
| CN110514020A (en) * | 2019-06-28 | 2019-11-29 | 五冶集团上海有限公司 | Large-scale environmental protection sintering high temperature flue gas balanced valve installation method |
| CN110525979A (en) * | 2019-08-30 | 2019-12-03 | 北京中电永昌科技有限公司 | The intelligent automatic embolism efficient gas-saving of pilot-operated type, which is controlled, blocks up anti-mill control system |
-
2012
- 2012-05-03 CN CN 201220194715 patent/CN202575414U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103884198A (en) * | 2014-04-09 | 2014-06-25 | 中冶北方（大连）工程技术有限公司 | Device and method for dust collection and discharge of sintering flue gas |
| CN103884198B (en) * | 2014-04-09 | 2015-06-17 | 中冶北方（大连）工程技术有限公司 | Device and method for dust collection and discharge of sintering flue gas |
| CN104401733A (en) * | 2014-10-20 | 2015-03-11 | 无锡红旗除尘设备有限公司 | Sintering machine head dust removal static pressure concentrated-phase sectional boosting type pneumatic conveying method capable of preventing corrosion and pipe blocking due to adhesion |
| CN104495383A (en) * | 2014-11-12 | 2015-04-08 | 宁夏嘉翔自控技术有限公司 | Pulverized coal pneumatic conveying system for magnesium smelting |
| CN104555435A (en) * | 2014-12-25 | 2015-04-29 | 芜湖新兴铸管有限责任公司 | Pneumatic conveying method for dust precipitation |
| CN108485721A (en) * | 2018-04-20 | 2018-09-04 | 湖北三宁化工股份有限公司 | A kind of automatic ash conveying device of gas stove dust remover |
| CN108485721B (en) * | 2018-04-20 | 2021-01-15 | 湖北三宁化工股份有限公司 | Automatic ash conveying device of gas furnace dust remover |
| CN110406992A (en) * | 2019-06-26 | 2019-11-05 | 中交第一航务工程勘察设计院有限公司 | Train loading building clout clears up system |
| CN110514020A (en) * | 2019-06-28 | 2019-11-29 | 五冶集团上海有限公司 | Large-scale environmental protection sintering high temperature flue gas balanced valve installation method |
| CN110525979A (en) * | 2019-08-30 | 2019-12-03 | 北京中电永昌科技有限公司 | The intelligent automatic embolism efficient gas-saving of pilot-operated type, which is controlled, blocks up anti-mill control system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202575414U (en) | Dust collecting device for machine head dedusting of sintering machine | |
| CN102491094B (en) | Horizontal long-distance superfine powder pneumatic conveying device | |
| CN200981771Y (en) | Blast furnace gas dust removal self-flowing tank car transportation device | |
| CN202541935U (en) | Bagged cement or pulverized coal ash unpacking and conveying system | |
| CN106516753A (en) | Storehouse pump ash conveying device | |
| CN204182464U (en) | Coal pulverizer stone coal discharge mechanism | |
| CN103557697A (en) | Novel rotary kiln | |
| CN203428455U (en) | Pneumatic fine ash conveying system for converter gas dry dedusting | |
| CN206407636U (en) | Blow tank conveying device | |
| CN204400175U (en) | A kind of engine thick and thin phase burner goes up sand system automatically | |
| CN203373375U (en) | Primary smoke dry method dedusting cinder pneumatic transmission system of revolving furnace | |
| CN206108385U (en) | Material conveyor of junked tire schizolysis carbon black | |
| CN202912388U (en) | Rapid delivery device of powder materials | |
| CN203682639U (en) | Closed pebble coal collecting and discharging system | |
| CN212150871U (en) | Pneumatic conveying equipment for flying ash of hazardous waste incineration system | |
| CN204799020U (en) | Carbide slag stoving smoke treatment device | |
| CN114229482A (en) | Super long distance material malleation conveying system device | |
| CN103333985A (en) | Converter gas dry dedusting coarse ash pneumatic conveying system | |
| CN208726994U (en) | A kind of rubber exhaust gas pre-processing device | |
| CN207856645U (en) | A kind of denitrating system urea feeding device | |
| CN204182466U (en) | Coal pulverizer pebble coal equal pressure discharge device collecting box | |
| CN203652782U (en) | Material collection system for assembly line production | |
| CN204182467U (en) | Coal pulverizer pebble coal equal pressure discharge device | |
| CN213060740U (en) | Dry quenching dust removal and ash conveying device | |
| CN202924386U (en) | Pressure sealing conveying device for micropowder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121205 |
|
| CX01 | Expiry of patent term |