CN206109221U - Lime slaking and compounding device - Google Patents

Lime slaking and compounding device Download PDF

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Publication number
CN206109221U
CN206109221U CN201620519982.XU CN201620519982U CN206109221U CN 206109221 U CN206109221 U CN 206109221U CN 201620519982 U CN201620519982 U CN 201620519982U CN 206109221 U CN206109221 U CN 206109221U
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China
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dust
digestion
water
casing
shaft
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CN201620519982.XU
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Chinese (zh)
Inventor
李文林
张尚中
李恩光
苏道
李康
刘萤
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Zhongye Changtian International Engineering Co Ltd
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Zhongye Changtian International Engineering Co Ltd
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Abstract

Lime slaking and compounding device, it includes: the lime slaking ware, belt -type conveyors material mixing mechanism (G) and first mixed cylinder (G7), wherein belt -type conveyors material mixing mechanism (G) is including belt -type conveyors (G1), examine and dust collector (G2) before being equipped with material separation device (G201's) material, examine and dust collector (G3) after being equipped with material polymerization facility (G301's) material, belt conveyor bearing roller (G4 and G5), belt conveyor frame (G6), wherein digestion quick lime discharge gate or the export of digestion quick lime output tube of lime slaking ware be located belt -type conveyors's (G1) top and examine before being located the material and dust collector (G2) and material after examine and dust collector (G3) between, wherein belt -type conveyors's (G1) blowdown end is arranged in the feed zone of first mixed cylinder (G7).

Description

Quicklime slaking and mixing device
Technical field
This utility model is related to steel sintering factory quicklime slaking field, more particularly to for a kind of efficient quicklime slaking and Mixing device.Digestion and the digestion dedusting environmental pollution of quick lime are solved the problems, such as mainly.
Background technology
With the development of modern industry, the raising of people's living standard, the requirement more and more higher to environmental protection, keep the safety in production, Clean manufacturing has become the mark of modern enterprise civilization.
In iron and steel metallurgical industry, generally require and iron mine is sintered before blast furnace ironmaking is entered, and quick lime pair Sintering process plays more important effect, and first, the granulating efficiency of mixed material is improved, improves bed permeability, with digestion Before compare, compound>The grade of 3mm increased more than 10%, and productivity of sintering machine can be made to improve 3%-5%;Second, contain There is Ca (OH)2Sintering feed bead have higher wet volume capacity, thus in sintering process, heat stability is good, can resist dry zone Destruction, mitigates the impact of excessive moistening layer;3rd, improve material temperature;4th, reduce the consumption of solid fuel.Research shows, due to The raising of material temperature, the improvement of relatively fruit of pelletizing, Sintering Yield can improve 10% or so, save coke powder 1.5kg/t;Current quick lime One of sintering plant main flux is had become, proportioning is in 3%-5%.
Sintering is, by various powdery iron-containing raw materials, to be put on agglomerating plant and light a fire after suitable flux and fuel mixing granulation Sintering, in the presence of fuel produces hyperpyrexia and series of physical chemical change, makes partial blend surface occur to soften and melt Change, produce a number of liquid phase, and moisten other unfused ore particles, after cooling, mineral powder granular is bondd by liquid phase Into the process of sintering deposit.Quick lime is one of main flux of sintering, and which plays more important effect to sintering process.Calculogenesis Ash is carried out reacting with water and generates the superfine slaked lime of granularity, and in colloidal solid, granule is superfine, and specific surface area is up to 300,000 cm2/ g, Be conducive to compound balling-up, improve the breathability of granulating efficiency and sinter bed.Containing Ca (OH)2Sintering feed bead have higher Wet volume capacity, thus heat stability is good in sintering process, can resist the destruction of dry zone, mitigates the impact of excessive moistening layer. In addition, amount of heat is released in quick lime and water course of reaction, improve material temperature, reduce the consumption of solid fuel.
Before sintering machine is entered, in addition it is also necessary to also have postdigestive Calx to mix in mixing drum iron ore concentrate, coking coal powder And granulation, then go sintering machine to be sintered again.Existing technique is that quick lime and other raw materials are deposited in same dispensing Workshop, Jing after of short duration digestion, Jing tape transports into drum mixer are mixed and are made quick lime together with other raw materials Grain.Existing this procedure is primarily present problems with:
First, sintering plant generally adopts single-stage digestive appartus, and digestion time is short, and digestibility is low, and indigested quick lime is mixed one Continue digestion in mixed with two.1~1.5 times of volumetric expansion during quicklime slaking, destroys the granulation bead of balling-up, affects the bed of material Breathability, does not give full play to the Digestion of quick lime.
2nd, there is no special digestion cleaner unit.A large amount of ash-laden gas can be produced during quicklime slaking, due to flue gas characteristic Particularity, the dust removing effects of common cleaner unit cannot meet national emissions concentration standard, and due to lime dust caking property very By force, cleaning shaft blocking, fan vibration etc. are easily caused.
3rd, additionally, dedusting sewage, steel-smelting sewage sludge, dedusting sludge etc. are not effectively addressed, cause to waste and secondary Pollution.
4th, pollution of the existing digestive appartus to environment is also very big.A large amount of ash-laden gas can be produced during quicklime slaking, due to The particularity of flue gas characteristic, common electric precipitation and bag-type dust are not applied to.Process and emission measure because not effective so that Digestion region dust concentration is up to 200mg/m3, far above national emissions concentration standard, seriously polluted.
5th, release amount of heat during quick lime and water digestion reaction, postdigestive Calx due to own temperature compared with Height, is also easy to produce steam in transportation, if quick lime and other raw materials are located at same batch plant, due to batch plant with Between drum mixer, distance is longer, and a large amount of steam are produced during Calx long-distance transportation to drum mixer, and steam is waved A large amount of dust is carried while sending out, partial heat is not only taken away, also surrounding enviroment is polluted, but also Calx can be reduced Temperature and humidity, certain impact is caused on follow-up batch mixing and granulation so that Calx is beaten to sintering process role greatly Discount.
6th, digestion water adopts cold water, and temperature is low, affects quicklime slaking effect.
7th, quick lime feed bin and its digestion and other raw materials are placed on into same batch plant, are passed through together after mixing again To drum mixer, this causes batch plant other raw material storages to diminish to conveyer belt long distance delivery, while also making in digestion It is serious into digestion region smoke contamination;This not only also increases cost of transportation, also add energy consumption, also pollutes environment.
The presence of problem above has a strong impact on the digestion of quick lime, dedusting, the process for also having sewage sludge.In order to solve to burn Quicklime slaking and dust removal problem in knot, further improve energy-saving and emission-reduction work in sintering process, need to design quicklime slaking And dust pelletizing system is poor to solve the problems, such as raw ash digestion effect, solves the dust removal problem that quicklime slaking brings again.
In addition, to solve the above problems, further improving energy-saving and emission-reduction work in sintered material hybrid technique, needing design New quick lime sintered material hybrid technique.
Utility model content
The purpose of this utility model is to provide a kind of efficient burnt lime digester, with solve digestive appartus digestive efficiency it is low and The problem of digestion effect difference, and the problems such as a large amount of dust smoke pollution.
This utility model provides a kind of efficient burnt lime digester, and the digestive appartus are multistage digestive appartus, there is provided perfect is more Level digestion process, quick lime falls on the belt conveyer scale under storehouse from ash silo, then sends in multistage digestive appartus by conveying worm Row digestion.
Digestive appartus described herein be multistage digestive appartus, that is, digest section have it is upper and lower two or more.
Another purpose of the present utility model is to provide a kind of efficient quicklime slaking and batch mixing and dust pelletizing system, to solve Certainly quicklime slaking is insufficient, the low problem of digestive appartus efficiency of dust collection, and cleaning shaft blocking, fan vibration, dedusting sewage The problems such as process.
Solve limeslaker dust removal problem it may first have to understand physics, the chemistry of the technique and dust of lime slaking Characteristic.Quicklime slaking is a chemical reaction process, i.e. quick lime (CaO) adds water (H2O) generate calcium hydroxide (Ca (OH)2) And release substantial amounts of heat.The dust main component that digestive appartus are produced is CaO, Ca (OH)2And vapor.Dust is being collected and is being located During reason, calcium hydroxide (Ca (OH)2) and generate Calcium Carbonate (CaCO with the carbon dioxide reaction part in air3), Ca (OH)2And CaCO3Deng easily sticking on cleaner unit and dedusting tube wall, here it is causing cleaner unit and cleaning shaft blocking, blower fan The true cause of vibration.
This utility model provides a kind of efficient quicklime slaking and dust pelletizing system, to solve quicklime slaking in prior art It is insufficient, there is lime dust to collect, the problems such as cleaner unit and cleaning shaft blocking, fan vibration, dust waste water are recycled.
According to first embodiment of the present utility model, there is provided quicklime slaking and mixing device, it includes:Quick lime Digestive appartus, belt of belt conveyor mixing mechanism and the first mixing drum, wherein belt of belt conveyor mixing mechanism bag Include belt of belt conveyor, (examine and dust arrester, the thing equipped with material polyplant before material equipped with material separation device Inspection and dust arrester, carrier roller of belt conveyer, ribbon conveyer frame after material;The assimilation of quicklime of wherein burnt lime digester goes out Material mouth or the outlet of assimilation of quicklime outlet tube are positioned at the top of belt of belt conveyor and are located at inspection and dedusting dress before material Put with after material, between inspection and dust arrester, wherein the blowdown end of belt of belt conveyor is located at entering for the first mixing drum In material section;Preferably, before material inspection and dust arrester and material after inspection and dust arrester be respectively furnished with one have gather dust external The cleaner (such as the dust excluding hood with the external tapping that gathers dust) of mouth;It is further preferred that burnt lime digester is equipped with to have gathering dust The sealing dust excluding hood of external tapping.
Preferably, the material separation device includes segregation apparatuss fixed support and separator two parts, segregation apparatuss Fixed support is arranged in ribbon conveyer frame, and separator is arranged on segregation apparatuss fixed support.
Preferably, the material polyplant includes polyplant fixed support and polymerizer two parts, polymerizer bag Two material polymerization scraper plates are included, polyplant fixed support is arranged in ribbon conveyer frame, and polymerizer is arranged on polymerization dress Put on fixed support.
Preferably, the temperature and moisture sensors electrically connected with master control room are additionally provided with material polyplant, to thing The temperature and humidity of material carries out real-time monitoring.
Typically, on the traffic direction of conveyer belt, before material, the position of inspection and dust arrester just arranges machine on the conveyor belt Cover (or referred to as dust excluding hood) (dust excluding hood examine before the length on running direction of conveyor belt be enough to cover material and dust arrester it Front and each afterwards certain length, for example, covers the length of its 50-100cm previous, and the length for covering 60-150cm after which Degree), dedusting exhaust column is housed on dust excluding hood.Air exhauster is mounted with the pipeline of dedusting exhaust column.The air outlet of air exhauster It is connected to the cleaning shaft of cleaner unit described below.
Typically, on the traffic direction of conveyer belt, after material, the position of inspection and dust arrester just arranges on the conveyor belt and removes Dust hood (or referred to as hood) (dust excluding hood examine before the length on running direction of conveyor belt be enough to cover material and dust arrester it Front and each afterwards certain length, for example, covers the length of its 50-100cm previous, and the length for covering 60-150cm after which Degree), dedusting exhaust column is housed on dust excluding hood.Air exhauster is mounted with the pipeline of dedusting exhaust column.The air outlet of air exhauster It is also connected to the cleaning shaft of cleaner unit described below.
In this utility model, a kind of use process of belt of belt conveyor mixing mechanism is:It is relative in feed opening It is primary compound on the conveyer belt of conveyer belt upstream, after material separation device is separated, in the middle of conveyer belt, just forms one Conveyer belt dead slot, postdigestive Calx are fallen in conveyer belt dead slot from feed opening, due to conveyer belt by V-type carrying roller into V-type, institute With higher than the dead slot then primary compound is poly- toward centre through material polyplant by the detached primary discharge position that mixes Close, being covered on Calx becomes compound, as primary compound is covered on Calx, so Calx does not just have substantially A large amount of steam volatilizations, the variety of problems that course of conveying steam excessively causes after just overcoming lime slaking.
According to second embodiment of the present utility model, there is provided two-stage burnt lime digester, it includes:Charging aperture, it is front The sealing transportation section casing that end is connected with charging aperture, the first digestion section case being connected with the rear end of sealing transportation section casing Body, positioned at the top of the first digestion section casing or the water injector of sidepiece;Positioned at the sealing dedusting of the first digestion section casing top Cover, in the first digestion section casing and at upper digestion casing blanking away from that one end of charging aperture and discloses material mouth, positioned at the The second digestion section casing below one digestion section casing, digests in section casing positioned at second and going out near that one end of charging aperture Material mouth;Wherein:In the first digestion section casing built with a pair of the first shaft with stirring vane, first stir for this pair Mix that both axles are driven by first driving means and both direction of rotation is contrary;In addition, in the second digestion section casing Driven by the second driving means equipped with both a pair of the second shaft with stirring vane, this pair second shaft Move and both direction of rotation are contrary;With sealing dust excluding hood has the external tapping that gathers dust.
According to the 3rd embodiment of the present utility model, there is provided three-level burnt lime digester, it includes:Charging aperture, it is front The sealing transportation section casing that end is connected with charging aperture, the first digestion section case being connected with the rear end of sealing transportation section casing Body, positioned at the top of the first digestion section casing or the water injector of sidepiece;Positioned at the sealing dedusting of the first digestion section casing top Cover, in the first digestion section casing and at upper digestion casing blanking away from that one end of charging aperture and discloses material mouth, positioned at the The second digestion section casing below one digestion section casing, in the second digestion section casing and near the of that one end of charging aperture Two digest at casing blankings and disclose material mouth (i.e. discharging opening), the 3rd digestion section casing below the second digestion section casing, position In the 3rd digestion section casing and that one end away from charging aperture discharging opening;Wherein:Section casing is digested built with one first To the first shaft with stirring vane, both this pair of the first shafts by first driving means it is driven and Both direction of rotation are contrary;The second shaft with stirring vane that section casing is built with a pair is digested second, this To both the second shafts it is driven by the second driving means and both direction of rotation is contrary;Section case is digested the 3rd Pass through the 3rd driving means equipped with both a pair of the 3rd shaft with stirring vane, this pair the 3rd shaft in vivo Driven and both direction of rotation is contrary;With sealing dust excluding hood has the external tapping that gathers dust.
In above-mentioned two embodiment, it is preferable that in the middle of the second shaft is located in the middle of the first shaft Individual underface, and they are contrary with both direction of rotation.
Further preferably, in the middle of the second shaft is located at the underface of in the middle of the first shaft, and The direction of rotation of they and both conversely, with the 3rd shaft in the middle of be located in the middle of the second shaft just Lower section, and they are contrary with both direction of rotation.
It is preferred that, the input of water injector is external with initial water supply line, outfan by automatization's effusion meter water valve with Positioned at the multiple telescopic sprinkler head connection on the top of the first digestion section housing interior volume;Preferably, automatization's flow Meter water valve is electrically connected to carry out the water yield Automated condtrol and have cutting function with Master Control Room;It may further be preferable that many Individual scalable sprinkler head 502 carries out flexible adjustment, length arrangement straggly according to the length of digestion section casing.
In addition, the hot water outlet of the externally connected heat exchanger of the initial water supply line of water injector.The heat exchanger has Cooling gas outlet after the hot gas import and heat exchange of cooling water inlet and hot water outlet and heat.As shown in Figure 2 a.
It is preferred that, above the first digestion section casing, the height of set sealing dust excluding hood is along the material conveying side of the casing To gradually increasing, the external tapping that gathers dust is located at the end of dust excluding hood, by gather dust external tapping and cleaner unit or the dedusting system in the external world The pipeline of system is connected.
It is preferred that, digestion casing maintenance dress is additionally provided with the casing of two-stage burnt lime digester or three-level burnt lime digester Put, the apparatus for examination and repair includes that one or more digestion casing apparatus for examination and repair doors and one or more digestion casing apparatus for examination and repair doors are lived Dong Lian mechanisms;Preferably, one or more digestion casing apparatus for examination and repair door moving connecting mechanisms are installed in the second casing Bottom while be installed in the second casing and the respective bottom of the 3rd casing, digests bottom and the digestion of casing apparatus for examination and repair door Casing apparatus for examination and repair door moving connecting mechanism connects, and door can be rotated around the moving connecting mechanism, digest casing apparatus for examination and repair door Top is snapped connection with lower box top, i.e., the top can be opened and be closed,
In this application, two-stage digester is also referred to as upper and lower two-stage digester, three-level digestive appartus also referred to as upper and lower three Level digestive appartus.
The length of two-stage or three-level digestive appartus in the application is usually 3-30m, preferred 4-20m, more preferably 5-10m.This Two-stage or three-level digestive appartus in application can be supported on support or be arranged on pedestal.
According to the 4th embodiment of the present utility model, there is provided quicklime slaking, batch mixing and dust arrester, it includes root According to the quicklime slaking and mixing device and a kind of wet dust collector of first embodiment, the latter is by cleaning shaft and digestion The external tapping that gathers dust of device is connected.
It is preferred that, the wet dust collector includes:
Dedusting pond;
Shell of dust remover above dedusting pond;
Cleaning shaft,
It is characterized in that:One end of cleaning shaft is external to one or more outfans containing dusty gas collection device (the dedusting interface of such as limeslaker), the other end pass through shell of dust remover from top to bottom and stretch into below shell of dust remover In dedusting pond, cleaning shaft stretches into the one end in dedusting pond and is provided with liquid down tube channel showerhead, wherein liquid down tube channel showerhead End is network structure or loose structure;Preferably, cleaning shaft is passed through (i.e. along axis from the middle part of shell of dust remover Line).
It is preferred that, the cleaner unit also includes:Positioned at the overflow water seal water pond of dedusting pond side, and dedusting pond with overflow Between flowing water water shutoff pond, in the water level regulation hole issued by the lower end of shell of dust remover side;Preferably, in water level regulation hole Card is provided with the outside of other shell of dust remover and puts groove and water level control apparatus, the water level control apparatus include water level regulation plate, spiral Bar, regulating valve, water level regulation board are placed on the card and put in groove, and one end of screw rod is connected with water level regulation plate, screw rod The other end is connected with regulating valve, wherein vertical width of the vertical width of water level regulation plate slightly larger than water level regulation hole.
It is preferred that, the cleaner unit also includes:The cover plate being arranged on above overflow water seal water pond, one end and the cleaner unit shell of cover plate Body connects, and in other end insertion overflow water seal water pond, it is preferred that a through hole is provided with cover plate, screw rod passes through the through hole. Screw rod is moved up and down along the through hole, therefore drive water level regulation plate to move up and down.
It is preferred that, overflow water seal water pond top is provided with overflow pipe, for adjusting the water level in overflow water seal water pond;Preferably It is that overflow pipe is provided with overflow pipe valve.
It is preferred that, be provided with filling pipe on dedusting pond, for in dedusting pond supplement water;Preferably, moisturizing water Pipe is provided with moisturizing pipe valve.
It is preferred that, dedusting basin bottom is funnel-form or " V " type or is rendered as inversed-cone shape (back taper tubular);Dedusting pond Bottom is provided with sewage sludge tapping equipment;Preferably, hydraulic pressure gauge is additionally provided with sewage sludge tapping equipment.
It is preferred that, support is provided with above the dedusting pond in shell of dust remover, be provided with as bubble below support Puncture first group of metal gauze (preferably V-type drainage screen or V-type metal gauze) a little and second group is provided with above support Metal gauze (preferably reverse V-shaped metal gauze);Preferably, first group of metal gauze and/or second group of metal gauze interlock Oblique arrangement, point of intersection are provided with sealing card.
It is preferred that, sprinkler head is provided with above second group of metal gauze, for spraying dedusting on second group of metal gauze Water or dedusting liquid;Preferably, dash demisting plate is provided with above sprinkler head, on shell of dust remover above dash demisting plate It is provided with net air outlet.
It is preferred that, the cleaner unit also includes control system, and hydraulic pressure gauge, overflow pipe valve and moisturizing pipe valve are connected with control system, Control system control hydraulic pressure gauge, overflow pipe valve and moisturizing pipe valve.
Wet dust collector described herein can be mounted or positioned on pedestal, or is supported on support bracket.One As, the housing sidepiece of wet dust collector is presented the housing side cross sectional of cylindrical shape or oval cylinder, i.e. wet dust collector for circle Shape or ellipse.The housing side cross sectional that four prism type, i.e. wet dust collector can be also rendered as is rectangle or square.Water Body height (height of i.e. whole housing) the usually 1.2m-10m of bath cleaner unit, more preferably preferred 1.5-7m, 2.0-5m.
According to the 5th embodiment of the present utility model, there is provided by using above-mentioned quicklime slaking, batch mixing and dedusting Device is come the method that carries out quicklime slaking, batch mixing and dedusting.Wrap in wherein above-mentioned quicklime slaking, batch mixing and dust arrester Include two-stage burnt lime digester or three-level burnt lime digester.
Therefore, according to other side of the present utility model, there is provided a kind of use includes two-stage burnt lime digester The quicklime slaking of above-mentioned digestion, batch mixing and dust arrester, batch mixing and dust collection method, the method are comprised the following steps:
1) quicklime slaking:Quick lime is put in the charging aperture of two-stage burnt lime digester, via sealing transportation section Casing is transported in the first digestion section casing, by the water injector positioned at the top of the first digestion section casing or sidepiece to the In one digestion section casing motion quick lime material water spray so that quick lime under the stirring action of shaft while moving one There is mixing and digest in side, move again afterwards in the second digestion section casing under the stirring action of shaft Occur further to mix and digest, postdigestive quick lime is discharged via the discharging opening of burnt lime digester bottom;
2) batch mixing:It is defeated by ribbon conveyer including the raw material for sintering of fine iron breeze and powdery coal fuel (such as coking coal powder) The tape transport with mixing mechanism is sent, the material separation device of inspection and dust arrester is first in raw material for sintering before material Between partly scrape groove, after the digestion discharged from the discharging opening of burnt lime digester bottom, quick lime is transferred to or drops to this In groove, then after material, the raw material for sintering of groove vicinity is swept (or striking off) by the material polyplant of inspection and dust arrester And quick lime after the digestion in groove is covered, then the material on conveyer belt is mixed in being continuously transported to the first mixing drum Material;More specifically:It is primary compound on the conveyer belt of the relative conveyer belt upstream of feed opening, separates through material separation device Afterwards, a conveyer belt dead slot is just formed in the middle of conveyer belt, postdigestive Calx is fallen in conveyer belt dead slot from feed opening, due to Conveyer belt, is filled into V-type then through material polymerization so higher than the dead slot by the detached primary discharge position that mixes by V-type carrying roller Put primary compound toward middle polymerization, being covered on Calx becomes compound;With
3) dedusting of dusty gas:Dusty gas in sealing dust excluding hood is defeated from the external tapping that gathers dust of sealing dust excluding hood Go out the cleaning shaft to wet dust collector, meanwhile, from before material inspection and dust arrester and material after inspection and dust arrester dedusting The dusty gas exported by the external tapping that gathers dust of equipment (such as dust excluding hood) is also transported to the cleaning shaft of wet dust collector, converges Poly- dusty gas is injected in the water in dedusting pond by the liquid down tube channel showerhead of cleaning shaft, is removed by contacting with water Dirt, the net air outlet that the gas after dedusting is arranged from shell of dust remover are discharged.
According to of the present utility model in terms of another, there is provided a kind of using including that the above-mentioned of three-level burnt lime digester disappears Change the quicklime slaking and dust collection method with dust arrester, the method is comprised the following steps:
1) quicklime slaking:Quick lime is put in the charging aperture of three-level burnt lime digester, via sealing transportation section Casing is transported in the first digestion section casing, by the water injector positioned at the top of the first digestion section casing or sidepiece to the In one digestion section casing motion quick lime material water spray so that quick lime under the stirring action of shaft while moving one There is mixing and digest in side, move again afterwards in the second digestion section casing under the stirring action of shaft Occur further to mix and digest, moved under the stirring action of shaft in the 3rd digestion section casing again afterwards While occurring further to mix and digest, postdigestive quick lime is discharged via the discharging opening of burnt lime digester bottom;
2) batch mixing:It is defeated by ribbon conveyer including the raw material for sintering of fine iron breeze and powdery coal fuel (such as coking coal powder) The tape transport with mixing mechanism is sent, the material separation device of inspection and dust arrester is first in raw material for sintering before material Between partly scrape groove, after the digestion discharged from the discharging opening of burnt lime digester bottom, quick lime is transferred to or drops to this In groove, then after material, the raw material for sintering of groove vicinity is swept (or striking off) by the material polyplant of inspection and dust arrester And quick lime after the digestion in groove is covered, then the material on conveyer belt is mixed in being continuously transported to the first mixing drum Material;More specifically:It is primary compound on the conveyer belt of the relative conveyer belt upstream of feed opening, separates through material separation device Afterwards, a conveyer belt dead slot is just formed in the middle of conveyer belt, postdigestive Calx is fallen in conveyer belt dead slot from feed opening, due to Conveyer belt, is filled into V-type then through material polymerization so higher than the dead slot by the detached primary discharge position that mixes by V-type carrying roller Put primary compound toward middle polymerization, being covered on Calx becomes compound;With
3) dedusting of dusty gas:Dusty gas in sealing dust excluding hood is defeated from the external tapping that gathers dust of sealing dust excluding hood Go out the cleaning shaft to wet dust collector, meanwhile, from before material inspection and dust arrester and material after inspection and dust arrester dedusting The dusty gas exported by the external tapping that gathers dust of equipment (such as dust excluding hood) is also transported to the cleaning shaft of wet dust collector, converges The dusty gas of conjunction is injected in the water in dedusting pond by the liquid down tube channel showerhead of cleaning shaft, is removed by contacting with water Dirt, the net air outlet that the gas after dedusting is arranged from shell of dust remover are discharged.
A kind of using method of wet dust collector or the method for carrying out dedusting using above-mentioned wet dust collector, the method include Following steps:
(1) by filling pipe to water-retention in dedusting pond, water level regulation plate is adjusted, water level reaches predetermined in making dedusting pond Value, closes moisturizing pipe valve;
(2) dusty gas (dust flue gas for for example coming from the dedusting interface of burnt lime digester) by cleaning shaft from upper And under enter from the middle part of shell of dust remover in cleaner unit, by smoke property and the uninterrupted of flue gas, adjust water level control apparatus, Certain position (such as 0.2-0.8m) in cleaning shaft insertion dedusting pond, cleaning shaft is made to insert under water and be provided with net The liquid down tube channel showerhead of shape structure or loose structure;
(3) dusty gas flows through cleaning shaft and sprays (at a relatively high speed) at liquid down tube channel showerhead (to have certain speed) Go out, water layer is produced and is entered after percussion in water, the direction of motion of gas changes, and grit is then continued due to the effect of inertia Move by original direction, stay in water after wherein most grit and water adhesion, smoke-shock water body Jing liquid down tube channel showerheads Network structure cuts into minute bubbles, increased the contact area of flue gas and water, strengthens seizure of the water in dust removal to dust, realizes One-level impulse type water bath dedusting;
(4) in water bath dust-removing, flue gas, most of dust is removed, and remainder particle dust is golden through first group Category silk screen forms the second moisture film that first moisture film and second group of metal gauze are formed, and twice moisture film is to the fine powder in flue gas Dirt is caught, and realizes second level filtering type water film dedusting, and purified gas is arranged from exit Jing after the process of dash demisting plate Go out.
(5) dedusting pond has turned into sewage through prolonged dedusting, by the sewage from funnel-form or " V " type water in dust removal The sewage sludge tapping equipment in bottom of pond portion is discharged, and carries out moisturizing from filling pipe.
In this utility model, liquid down tube channel showerhead extends into certain position in housing bottom dedusting pond, insertion depth It is relevant with dust characteristic, generally 20-80cm.Soot density is big, granule is thick, then insertion depth is such as 20~50cm;Dust Density is little, granule is thin, then insertion depth is 30~80cm, and the pipeline shower nozzle purpose is that flue gas is divided into multiple gas columns to enter water In, increase contact of the flue gas with water, improve efficiency of dust collection.
In this utility model, can be too high so that water level is raised in dedusting pond when dusty gas or flue gas is passed through Water can be arranged on the overflow pond on the outside of adjustable plate from water level regulation hole flow direction, can so make the water level holding conjunction in dedusting pond Suitable height, can not only make the smooth suction of flue gas, and also assures that do not have water depth to shower nozzle;
In this utility model, support is being provided with above dedusting pond in housing, first group is being provided with below support Metal gauze, the metal gauze are one group of V-type drainage screen, for the flue gas bubble from dedusting pond out is punctured, and are disperseed Open air-flow.Reverse V-shaped second group of metal gauze is provided with above support.Second group of metal gauze alternating inclinations arrangement, point of intersection Sealing card is provided with, side is provided with sprinkler head on a wire mesh, for dedusting liquid is sprayed on metal gauze, on wire netting The moisture film for flowing downward is formed, then the bubble flowed to below support punctures net and forms second moisture film, fully catches dust.
In this utility model, this cleaner unit arranges water level control apparatus, by adjusting the height of water level regulation plate come real Existing water level regulation function, when cleaner unit air exhauster starts, in cleaner unit, negative pressure is uprushed, and water level is raised suddenly, but water energy is from water level Adjustment hole is discharged to overflow water seal water pond, it is ensured that liquid down tube channel showerhead does not have water depth stably within limits, so as to protect wind Machine avoids resistance from uprushing and motor damage.When cleaner unit normally runs, water level control apparatus governor valve control adjustable plate can be passed through Move up and down, water level is adjusted, shower nozzle capable of on-line does not have water depth, it is ensured that the stable and Effec-tive Function of equipment.It is a kind of Quicklime slaking and mixing procedure, the method are comprised the following steps:
(1) quicklime slaking:Quick lime is put in the charging aperture of two-stage burnt lime digester, via sealing transportation section Casing is transported in the first digestion section casing;
(2) moved into the first digestion section casing by the water injector positioned at the top of the first digestion section casing or sidepiece Quick lime material water spray occur on one side mixing and digestion so that quick lime move under the stirring action of shaft;
(3) moved while entering under the stirring action of shaft in the second digestion section casing again after One step mixes and digests, and postdigestive quick lime is discharged via the discharging opening of burnt lime digester bottom;
(4) batch mixing:Including fine iron breeze and powdery coal fuel (such as coking coal powder) raw material for sintering by ribbon conveyer The tape transport of conveyer belt mixing mechanism, before material, the material separation device of inspection and dust arrester is first in raw material for sintering Mid portion scrapes groove;
(5) after the digestion discharged from the discharging opening of burnt lime digester bottom, quick lime is transferred to or drops to the groove It is interior;
(6) after material, the raw material for sintering of groove vicinity is swept (or striking off) by the material polyplant of inspection and dust arrester And quick lime after the digestion in groove is covered, then the material on conveyer belt is mixed in being continuously transported to the first mixing drum Material.
Preferably, first digestion section casing built with a pair the first shaft with stirring vane and, this is a pair Both the first shafts it is driven by first driving means and both direction of rotation is contrary.
Preferably, digesting the second shaft with stirring vane that section casing is built with a pair second, this is a pair Both the second shafts it is driven by the second driving means and both direction of rotation is contrary.
Preferably, the underface of be located in the middle of the first shaft in the middle of the second shaft, and it Both direction of rotation it is contrary.
Preferably, the input of water injector is external with initial water supply line, outfan passes through automatization's effusion meter water Valve is connected with the multiple telescopic sprinkler head positioned at the top of the first digestion section housing interior volume;Preferably, automatization Effusion meter water valve is electrically connected to carry out the water yield Automated condtrol and have cutting function with Master Control Room;Further preferred It is that multiple scalable sprinkler heads carry out flexible adjustment, length arrangement straggly according to the length of digestion section casing.
Preferably, the hot water outlet of the externally connected heat exchanger of the initial water supply line of water injector, the heat exchanger Cooling gas outlet after hot gas import with cooling water inlet and hot water outlet and heat and heat exchange.
A kind of quicklime slaking and mixing procedure, the method are comprised the following steps:
(1) quicklime slaking:Quick lime is put in the charging aperture of three-level burnt lime digester, via sealing transportation section Casing is transported in the first digestion section casing;
(2) moved into the first digestion section casing by the water injector positioned at the top of the first digestion section casing or sidepiece Quick lime material water spray occur on one side mixing and digestion so that quick lime move under the stirring action of shaft;
(3) moved while entering under the stirring action of shaft in the second digestion section casing again after One step mixes and digests;
(4) moved while entering under the stirring action of shaft in the 3rd digestion section casing again after One step mixes and digests, and postdigestive quick lime is discharged via the discharging opening of burnt lime digester bottom;
(5) batch mixing:Including fine iron breeze and powdery coal fuel (such as coking coal powder) raw material for sintering by ribbon conveyer The tape transport of conveyer belt mixing mechanism, before material, the material separation device of inspection and dust arrester is first in raw material for sintering Mid portion scrapes groove;
(6) after the digestion discharged from the discharging opening of burnt lime digester bottom, quick lime is transferred to or drops to the groove It is interior;
(7) after material, the raw material for sintering of groove vicinity is swept (or striking off) by the material polyplant of inspection and dust arrester And quick lime after the digestion in groove is covered, then the material on conveyer belt is mixed in being continuously transported to the first mixing drum Material.
Preferably, the first digestion section casing is built with a pair of the first shaft with stirring vane, this is a pair Both first shafts are driven by first driving means and both direction of rotation is contrary.
Preferably, digesting the second shaft with stirring vane that section casing is built with a pair second, this is a pair Both the second shafts it is driven by the second driving means and both direction of rotation is contrary.
Preferably, digesting the 3rd shaft with stirring vane that section casing is built with a pair the 3rd, this is a pair Both the 3rd shafts it is driven by the 3rd driving means and both direction of rotation is contrary.
Preferably, the underface of the second shaft and central one be located in the middle of the first shaft, and Both direction of rotation conversely, with the 3rd shaft in the middle of be located in the middle of the second shaft just under Side, and the direction of rotation of both is contrary.
Preferably, the input of water injector is external with initial water supply line, outfan passes through automatization's effusion meter water Valve is connected with the multiple telescopic sprinkler head positioned at the top of the first digestion section housing interior volume;Preferably, automatization Effusion meter water valve is electrically connected to carry out the water yield Automated condtrol and have cutting function with Master Control Room;Further preferred It is that multiple scalable sprinkler heads carry out flexible adjustment, length arrangement straggly according to the length of digestion section casing.
Preferably, the hot water outlet of the externally connected heat exchanger of the initial water supply line of water injector, the heat exchanger Cooling gas outlet after hot gas import with cooling water inlet and hot water outlet and heat and heat exchange.
A kind of belt of belt conveyor mixing mechanism, including belt of belt conveyor, equipped with material separation device Before material inspection and dust arrester, the material equipped with material polyplant sum after inspection and dust arrester, carrier roller of belt conveyer and, band Formula conveyer frame.Carrier roller of belt conveyer and it is arranged in ribbon conveyer frame.Belt of belt conveyor is placed on band Formula conveyer carrying roller and upper.Before material, after inspection and dust arrester and material, inspection and dust arrester are located at belt of belt conveyor Top.
Preferably, the material separation device includes segregation apparatuss fixed support and separator two parts, segregation apparatuss Fixed support is arranged in ribbon conveyer frame, and separator is arranged on segregation apparatuss fixed support.
Preferably, the material polyplant includes polyplant fixed support and polymerizer two parts, polymerizer bag Two material polymerization scraper plates are included, polyplant fixed support is arranged in ribbon conveyer frame, and polymerizer is arranged on polymerization dress Put on fixed support.
Preferably, the temperature and moisture sensors electrically connected with master control room are additionally provided with material polyplant, to thing The temperature and humidity of material carries out real-time monitoring.
Preferably, the mechanism also includes slaked lime discharging opening.Slaked lime discharging opening is located at belt of belt conveyor Top and be located at material before inspection and dust arrester and material after inspection and dust arrester between.The slaked lime discharging opening is preferably The discharging opening of burnt lime digester described below.
Preferably, inspection and dust arrester are furnished with one there is the cleaner of external tapping of gathering dust (such as to have before material Gather dust the dust excluding hood of external tapping).
Preferably, inspection and dust arrester are furnished with one there is the cleaner of external tapping of gathering dust (such as to have after material Gather dust the dust excluding hood of external tapping).
Preferably, sealing dust excluding hood is provided with the external tapping that gathers dust.
Preferably, slaked lime discharging opening is connected with belt of belt conveyor mixing mechanism (G) burnt lime digester.
Preferably, slaked lime discharging opening can also be connected with digestion Calx outlet tube.
In this utility model, the external tapping that gathers dust is connected to the cleaning shaft of wet dust collector.
Compared with prior art, this utility model has following Advantageous Effects:
Firstly, for digestion of the present utility model and mixing system, with advantages below:
1st, using the multistage digestive appartus of designed, designed, the various problems that existing quick lime single-stage digestive appartus bring are solved, Such as overcome that digestion time is short, digestibility is low, destroy the granulation bead of balling-up, affect bed permeability, do not give full play to The shortcomings of Digestion of quick lime etc..
2nd, using the multistage digestive appartus of designed, designed, reduce the pollution to environment so that digestion region dust concentration is remote Less than national emissions concentration standard, and there is provided a kind of repair method of multistage digestive appartus.
3rd, after solving the problems, such as lime slaking, course of conveying steam is excessive, reduces postdigestive Calx steam on the way Volatilization is too many, also solves because while steam volatilize, dust is also inconjunction with to fly upward and pollutes problem to surrounding enviroment, raising The temperature and humidity of Calx, is conducive to follow-up batch mixing and granulation.
4th, digestion water so not only takes full advantage of the heat of central cooler using by the hot water of central cooler Hot-blast Heating Wind, and the temperature of quicklime slaking water is also improved, improve the effect of digestion.
5th, calculogenesis ash silo and its digestion are separately built into workshop by compound department, solves what Calx was produced in course of conveying Thermal loss and problem of environmental pollution;Original-two blanking port of two storehouses is changed to into-two blanking port of a storehouse, Production requirement is being met Meanwhile, greatly reduce civil engineering cost, in addition quicklime slaking dedusting and raw material mixing dust removing merged, reduce equipment into This.The memory space of other raw materials in existing batch plant is also increased simultaneously, energy consumption is reduced, and has administered digestion zone environment dirty Dye.
Secondly, for multistage digestive appartus, produce the advantage that:
1st, compared with single-stage digestion, digestibility increases by 1 to 2 times, and digestible degree is high, the digestion process parameter of science, maximum Change makes quicklime slaking complete.
2nd, the part sealed in the casing of transportation section is provided with continuous conveyor screw blade, seal the inwall of transportation section casing with Helixseal conveying is formed between continuous conveyor screw blade, only allows quick lime to push ahead into digestion section casing, can Effectively prevent steam anti-channeling to feeding mouth from causing hardened or affecting belt conveyer scale weighing precision.
3rd, using Double shaft stirring form, with stirring, multiple action and the effects such as caking and self-cleaning are crushed;Improve calculogenesis Grey stirring frequency, is made quick lime be mixed homogeneously with water, reacts abundant;Stirrer paddle adopts manganese steel plate weld carbide bit, Increase the service life.
4th, as a result of multistage digestion, the also Automated condtrol of the water yield so that digestion effect very well, the dust of generation Also corresponding a large amount of external environment conditions for reducing, substantially improving digestion place, digest region dust concentration far below national emission Concentration standard, has administered the problem of environmental pollution of existing digestion zone.
5th, the maintenance blind spot of below section is digested for multistage digestive appartus one-level, there is provided a kind of effective expansion maintenance side Method, solves a multistage digestive appartus maintenance difficult problem.
This utility model is fully solved the problem that existing digestive appartus digestive efficiency is low and digestion effect is poor, and a large amount of dust The problems such as smoke pollution.
Again, cleaner unit of the present utility model is produced the advantage that:
1st, this utility model is by adjusting water level regulation equipment, it is ensured that suitable immersion depth (such as 50cm- of fume pipe 80cm), by the shower nozzle of network structure or loose structure and the synergism of water level regulation equipment so that the ripple of the pressure of flue gas It is dynamic to be buffered.The size of produced bubble is less and uniform.Realize being fully contacted for flue gas containing dust and water, dust removing effects It is good.
2nd, gather impulse type water bath dedusting technology and filtering type moisture film dedusting technology advantage, targetedly capture big Grain and fine dust, efficiency of dust collection are up to 99.9%.
3rd, water level in cleaner unit can be adjusted when equipment runs, reaches higher purification efficiency, while ensureing purifier Running resistance is relatively low, and equipment energy consumption is low.
4th, using overflow water seal, the fluctuation range of liquid level in purifier cylinder is controlled well, it is ensured that purifier With stable purification efficiency, and protective effect is served to blower fan.
5th, dedusting sewage can be recycled after sewage disposal again, reduced sewage discharge capacity, prevented secondary pollution.
6th, this utility model simple structure, operation, it is easy to maintenance.
This utility model efficiently solves the problems, such as that quicklime slaking dust removing effects are poor, and solves existing quick lime and disappear Change a large amount of dust flue gas problem of environmental pollution.
Description of the drawings
Fig. 1 is the structural representation of quicklime slaking of the present utility model and mixing device.
Structural representations of the Fig. 2 for this utility model (upper and lower) two-stage digester.
Fig. 2 a are the sheet of the hot water outlet of the externally connected heat exchanger X4 of initial water supply line L0 of wherein water injector 5 The structural representation of utility model (upper and lower) two-stage digester.
Fig. 3 is the overlooking the structure diagram of digestive appartus shown in Fig. 2 of the present utility model.
Fig. 4 is the left view schematic diagram of digestive appartus shown in Fig. 2 of the present utility model.
Structural representations of the Fig. 5 for this utility model (upper and lower) three-level digestive appartus.
Fig. 6 is the schematic top plan view of the mixing mechanism of ribbon conveyer of the present utility model.
Fig. 7 is A-A generalized sections in Fig. 6.
Fig. 8 is B-B generalized sections in Fig. 5.
Fig. 9 is the schematic flow sheet of quicklime slaking of the present utility model and dust pelletizing system.
Figure 10 is the structural representation of the wet dust collector of quicklime slaking of the present utility model and dust pelletizing system.
Figure 11 is the structural representation that this utility model wet dust collector is provided with control system.
Reference:
In Fig. 1, X1- quicklime slakings workshop;X2- calculogenesis ash silos;The feed opening of X2a and X2b- calculogenesis ash silos;X3- calculogenesis The belt conveyer scale of ash;The outlet of the feed opening or assimilation of quicklime output channel of 9- burnt lime digesters;G1- conveyer belts;G2- is equipped with Inspection and dust arrester (material separation device) before the material of material separation device (G201);G2a- hoods;G3- is polymerized equipped with material Inspection and dust arrester (material polyplant) after the material of device (G301);G3a- hoods;The first mixing drums of G7-;X4- heat is handed over Changing device;X5- cold water;X6- hot gas (such as central cooler hot blast);1- burnt lime digesters;The initial water supply lines of L0-.
In Fig. 2-5,1:Burnt lime digester;2- charging apertures;201- self seal valves;3- seals transportation section casing;301- Conveyor screw blade;4- first digests section casing;Bed in the first beds of 4a- or the first digestion section casing;401a and 401b- First shaft;402- stirring vanes;5- water injectors;501- automatizatioies effusion meter water valve;The scalable sprinkler heads of 502-;6- is close Envelope dust excluding hood;601- gathers dust external tapping;7- first (on) at digestion casing blanking and disclose material mouth;7a- second (in) digestion casing At blanking and disclose material mouth;8- second digests section casing;Bed in the second beds of 8a- or the second digestion section casing;801a and The second shafts of 801b-;9- discharging openings;10- digests casing apparatus for examination and repair;10a- digests casing apparatus for examination and repair door;10b digests case Device gate articulating device is repaiied in health check-up;11- first driving means;11a- first shaft couplings;11b- first gear casees;11c- One bearing block;The second driving means of 12-;12a- second shaft couplings;12b- second gear casees;12c- second bearing seats;13- the 3rd Driving means;The 3rd shaft couplings of 13a-;The 3rd gear-boxes of 13b-;13c- 3rd bearing seats;14- the 3rd digests section casing;14a- Bed in 3rd bed or the 3rd digestion section casing;The 3rd shaft (to) of 1401a and 1401b-;The initial water supply lines of L0-;
In Fig. 6-8, G:Belt of belt conveyor mixing mechanism;G1:Belt of belt conveyor;G101:Primary mixing Material:G102:Conveyer belt dead slot;G103:Calx;G104:Compound;G2:Material separation device;G201:Material separation device Scraper plate;G3 material polyplants;G301:Material polyplant;G4:Ribbon conveyer bottom supporting roller;G5:Belt conveying pusher side Portion's carrying roller, G6:Ribbon conveyer frame;G7:First mixing drum;9:The assimilation of quicklime discharging opening of burnt lime digester 1 or Assimilation of quicklime outlet tube is exported.G20101:Segregation apparatuss fixed support;G20102:Separator;G30101:Polyplant is solid Fixed rack;G30102:Polymerizer;G30103 and G30104:Material polymerization scraper plate.
In Fig. 9, Q- quick lime;A or 1- digestive appartus (or slaking apparatus);B or Q1- cleaner units (or dust arrester);C- takes out Blower fan;D- chimneys;E- sewage-treatment plants;E1- stirring pools;E2- sedimentation tanks;E3- clear water reserviors;E11- blenders;F1- sewage Pump;F2- clarified water pumps;K- cleaning devices;J- other dedustings;L1- water-mains road;L2- fresh water pipelines;The initial water supply lines of L0-; H- steel-smelting sewage sludges;G- sludge pumps.
In Figure 10 and Figure 11, Q1:Cleaner unit;Q2:Dedusting pond;Q201:Filling pipe;Q202:Moisturizing pipe valve;Q203:It is dirty Sewage sludge tapping equipment;Q204:Hydraulic pressure gauge;Q3:Shell of dust remover;Q301:Water level regulation hole;Q302:Card puts groove;Q303:Only Air outlet slit;Q4:Cleaning shaft;Q401:Liquid down tube channel showerhead;Q5:Overflow water seal water pond;Q501:Cover plate;Q502:Overflow pipe; Q503:Overflow pipe valve;Q6:Water level control apparatus;Q601:Water level regulation plate;Q602:Screw rod;Q603:Regulating valve;Q7: Frame;Q701:First group of metal gauze;Q702:Second group of metal gauze;Q703:Sealing card;Q8:Sprinkler head;Q9:Dash demisting Plate;Q10:Control system.
Specific embodiment
According to first embodiment of the present utility model, there is provided quicklime slaking and mixing device, it includes:Quick lime Digestive appartus, belt of belt conveyor mixing mechanism G and the first mixing drum G7, wherein belt of belt conveyor mixing mechanism G includes inspection and dust arrester G2 before belt of belt conveyor G1, the material equipped with material separation device G201, poly- equipped with material Attach together and put inspection and dust arrester G3, carrier roller of belt conveyer G4 and G5, ribbon conveyer frame G6 after the material of G301;Wherein give birth to The assimilation of quicklime discharging opening of limeslaker or the outlet of assimilation of quicklime outlet tube are positioned at the upper of belt of belt conveyor G1 Side and before being located at material after inspection and dust arrester G2 and material between inspection and dust arrester G3, wherein belt of belt conveyor The blowdown end of G1 is in the feed zone of the first mixing drum G7;Preferably, inspection and dust arrester G2 and material before material Inspection and dust arrester G3 are respectively furnished with the dust excluding hood that a cleaner with the external tapping that gathers dust for example has the external tapping that gathers dust afterwards; It is further preferred that burnt lime digester is equipped with the sealing dust excluding hood 6 with the external tapping 601 that gathers dust.
Preferably, material separation device G201 includes segregation apparatuss fixed support G20101 and separator G20102 Two parts, segregation apparatuss fixed support are arranged in ribbon conveyer frame G6, and separator G201 is fixed installed in segregation apparatuss On support G201.
Preferably, the material polyplant G301 includes polyplant fixed support G30101 and polymerizer G30102 Two parts, polymerizer G30102 include two materials polymerization scraper plate G30103 and G30104, polyplant fixed support G30101 In ribbon conveyer frame G6, polymerizer G30102 is on polyplant fixed support G30101.
Preferably, the temperature and moisture sensors electrically connected with master control room are additionally provided with material polyplant G301, Real-time monitoring is carried out to the temperature and humidity of material.
Typically, on the traffic direction of conveyer belt, before material, the position of inspection and dust arrester G2 is just arranged on the conveyor belt (dust excluding hood G2a before the length on running direction of conveyor belt be enough to cover material is examined and is removed hood (or referred to as dust excluding hood) G2a Each certain length before and after dirt device G2, for example, covers the length of its 50-100cm previous, and covers 60- after which The length of 150cm), dedusting exhaust column is housed on dust excluding hood.Air exhauster is mounted with the pipeline of dedusting exhaust column.Air exhauster Air outlet be connected to the cleaning shaft Q4 of cleaner unit Q1 described below.
Typically, on the traffic direction of conveyer belt, after material, the position of inspection and dust arrester (G3) just sets on the conveyor belt Put dust excluding hood (or referred to as hood) G3a (dust excluding hood G3a examine before the length on running direction of conveyor belt be enough to cover material and Before and after dust arrester (G2), each certain length, for example, covers the length of its 50-100cm previous, and after covering which The length of 60-150cm), dedusting exhaust column is housed on dust excluding hood.Air exhauster is mounted with the pipeline of dedusting exhaust column.Take out The air outlet of blower fan is also connected to the cleaning shaft Q4 of cleaner unit Q1 described below.
According to second embodiment of the present utility model, there is provided two-stage burnt lime digester 1, it includes:Charging aperture 2, The sealing transportation section casing 3 that front end is connected with charging aperture 2, the first digestion being connected with the rear end of sealing transportation section casing 3 Section casing 4, positioned at the top of the first digestion section casing 4 or the water injector 5 of sidepiece;At the top of the first digestion section casing 4 Sealing dust excluding hood 6, at the upper digestion casing blanking in the first digestion section casing 4 and away from that one end of charging aperture 2 and discloses Material mouth 7, the second digestion section casing 8 below the first digestion section casing 4, in the second digestion section casing 8 and near entering The discharging opening 9 of that one end of material mouth 2;Wherein:In the first digestion section casing 4 built with a pair with stirring vane 402 the Both one shaft 401a and 401b, this pair of the first shaft 401a and 401b are driven simultaneously by first driving means 11 And both direction of rotation are contrary;In addition, digesting the with stirring vane second stirring that section casing 8 is built with a pair second Both axle 801a and 801b, this pair second shaft 801a and 801b by the second driving means 12 it is is driven and both Direction of rotation it is contrary;With sealing dust excluding hood 6 has the external tapping 601 that gathers dust.
According to the 3rd embodiment of the present utility model, there is provided three-level burnt lime digester 1, it includes:Charging aperture 2, The sealing transportation section casing 3 that front end is connected with charging aperture 2, the first digestion being connected with the rear end of sealing transportation section casing 3 Section casing 4, positioned at the top of the first digestion section casing 4 or the water injector 5 of sidepiece;At the top of the first digestion section casing 4 Sealing dust excluding hood 6, at the upper digestion casing blanking in the first digestion section casing 4 and away from that one end of charging aperture 2 and discloses Material mouth 7, the second digestion section casing 8 below the first digestion section casing 4, in the second digestion section casing 8 and near entering The second of that one end of material mouth 2 digests at casing blanking and discloses material mouth (i.e. discharging opening) 7a, below the second digestion section casing 8 The 3rd digestion section casing 14, the discharging opening 9 of that one end in the 3rd digestion section casing 14 and away from charging aperture 2;Wherein: In the first digestion section casing 4 built with a pair of the first shaft 401a and 401b with stirring vane 402, this pair the Both one shaft 401a and 401b are driven by first driving means 11 and both direction of rotation is contrary;Disappear second Change the second shaft 801a and 801b with stirring vane that section casing 8 is built with a pair, this pair second shaft Both 801a and 801b are driven by the second driving means 12 and both direction of rotation is contrary;Section casing is digested the 3rd 14 built with a pair of the 3rd the shaft 1401a and 1401b with stirring vane, this pair the 3rd shaft 1401a and Both 1401b are driven by the 3rd driving means 13 and both direction of rotation is contrary;With sealing dust excluding hood 6 has to be received Dirt external tapping 601.
In above-mentioned two embodiment, it is preferable that a 801a in the middle of the second shaft 801a and 801b is located at first The underface of a 401a in the middle of shaft 401a and 401b, and the direction of rotation of both their 401a and 801a is contrary.
Further preferably, a 801a in the middle of the second shaft 801a and 801b is located at the first shaft 401a and 401b The underface of a central 401a, and both their 401a and 801a direction of rotation conversely, with the 3rd shaft 1401a The underface of a 801a in the middle of the second shaft 801a and 801b, and they are located at a 1401a in the middle of 1401b The direction of rotation of both 401a and 801a is contrary.
It is preferred that, the input of water injector 5 is external with initial water supply line L0, and outfan passes through automatization's effusion meter water valve 501 are connected with the multiple telescopic sprinkler head 502 on the top positioned at 4 inner space of the first digestion section casing;Preferably, certainly Dynamicization effusion meter water valve 501 is electrically connected to carry out the water yield Automated condtrol and have cutting function with Master Control Room;Further Preferably, multiple scalable sprinkler heads 502 carry out flexible adjustment, length arrangement straggly according to the length of digestion section casing.
In addition, the hot water outlet of the initial water supply line L0 of water injector 5 externally connected heat exchanger X4.The heat exchanger There is X4 cooling water inlet X5 and hot water outlet and the hot gas import X6 of heat to export with the cooling gas after heat exchange.Such as Fig. 2 a Shown in.
It is preferred that, above the first digestion section casing 4, the height of set sealing dust excluding hood 6 is defeated along the material of the casing 4 Direction is sent gradually to increase, the external tapping 601 that gathers dust is located at the end of dust excluding hood 6, by gather dust external tapping 601 and the extraneous dedusting The pipeline of device or dust pelletizing system is connected.
It is preferred that, digestion casing maintenance is additionally provided with the casing of two-stage burnt lime digester 1 or three-level burnt lime digester 1 Device 10, the apparatus for examination and repair 10 include one or more digestion casing apparatus for examination and repair door 10a and one or more digestion casing inspections Repair device gate activity even mechanism 10b;Preferably, one or more digestion casing apparatus for examination and repair door moving connecting mechanism 10b quilts Installed in the bottom of the second casing or while be installed in the second casing and the respective bottom of the 3rd casing, digestion casing maintenance dress The bottom for putting a 10a is connected with digestion casing apparatus for examination and repair door moving connecting mechanism 10b, and door 10a can be around the moving connecting mechanism 10b is rotated, and the top for digesting casing apparatus for examination and repair door 10a is snapped connection with lower box top, i.e., Push And Release can be beaten in the top Close,
In this application, two-stage digester is also referred to as upper and lower two-stage digester, three-level digestive appartus also referred to as upper and lower three Level digestive appartus.
According to the 4th embodiment of the present utility model, there is provided quicklime slaking, batch mixing and dust arrester, it includes root According to the quicklime slaking and mixing device and a kind of wet dust collector Q1 of first embodiment, the latter by cleaning shaft Q4 with The external tapping 601 that gathers dust of digestive appartus 1 is connected.
It is preferred that, the wet dust collector Q1 includes:
Dedusting pond Q2;
Shell of dust remover Q3 above the Q2 of dedusting pond;
Cleaning shaft Q4,
It is characterized in that:One end of cleaning shaft Q4 is external to one or more outfans containing dusty gas collection device (the dedusting interface of such as limeslaker), the other end pass through shell of dust remover Q3 from top to bottom and stretch under shell of dust remover Q3 In the dedusting pond Q2 of side, cleaning shaft Q4 stretches into the one end in the Q2 of dedusting pond and is provided with liquid down tube channel showerhead Q401, wherein The end of liquid down tube channel showerhead Q401 is network structure or loose structure;Preferably, cleaning shaft Q4 is from shell of dust remover Q3 Middle part pass through.
It is preferred that, cleaner unit Q1 also includes:Positioned at the overflow water seal water pond Q5 of dedusting pond Q2 sides, and in water in dust removal Between pond Q2 and overflow water seal water pond Q5, in the water level regulation hole Q301 issued by the lower end of shell of dust remover Q3 sides;It is preferred that , card is provided with the outside of the shell of dust remover Q3 by the Q301 of water level regulation hole put groove Q302 and water level control apparatus Q6, the water Position adjusting means Q6 includes water level regulation plate Q601, screw rod Q602, regulating valve Q603, and water level regulation plate Q601 cards are placed on described Card is put in groove Q302, and one end of screw rod Q602 is connected with water level regulation plate Q601, the other end and regulating valve of screw rod Q602 Q603 connects, wherein vertical width of the vertical width of water level regulation plate Q601 slightly larger than water level regulation hole Q301.
It is preferred that, cleaner unit Q1 also includes:The cover plate Q501 being arranged on above overflow water seal water pond Q5, the one of cover plate Q501 End is connected with shell of dust remover Q3, in other end insertion overflow water seal water pond Q2, it is preferred that one is provided with cover plate Q501 and is led to Hole, screw rod Q602 pass through the through hole.Screw rod R602 is made to move up and down along the through hole by the effect of regulating valve R603, Therefore water level regulation plate R601 is driven to move up and down.
It is preferred that, overflow water seal water pond Q5 tops are provided with overflow pipe Q502, for adjusting the water level in overflow water seal water pond; Preferably, overflow pipe Q502 is provided with overflow pipe valve Q503.
It is preferred that, be provided with filling pipe Q201 on the Q2 of dedusting pond, for in dedusting pond supplement water;Preferably, Moisturizing water pipe Q201 is provided with moisturizing pipe valve Q202.
It is preferred that, dedusting pond Q2 bottoms are funnel-form or " V " type or are rendered as inversed-cone shape;Dedusting pond Q2 bottoms set There is sewage sludge tapping equipment Q203;Preferably, hydraulic pressure gauge Q204 is additionally provided with sewage sludge tapping equipment Q203.
It is preferred that, support Q7 is provided with above the dedusting pond Q2 in shell of dust remover Q3, be provided with below support Q7 First group of metal gauze Q701 (preferably V-type drainage screen or V-type metal gauze) a little is punctured and on support Q7 as bubble Side is provided with second group of metal gauze Q702 (preferably reverse V-shaped metal gauze);Preferably, first group of metal gauze Q701 And/or second group of metal gauze Q702 alternating inclinations arrangement, point of intersection is provided with to seal blocks Q703.
It is preferred that, sprinkler head Q8 is provided with above second group of metal gauze Q702, for second group of metal gauze Q702 Upper sprinkling water in dust removal or dedusting liquid;Preferably, dash demisting plate Q9 is provided with above sprinkler head Q8, in dash demisting plate Q9 Net air outlet Q303 is provided with the shell of dust remover of top.
It is preferred that, cleaner unit Q1 also includes control system Q10, hydraulic pressure gauge Q204, overflow pipe valve Q503 and moisturizing pipe valve Q202 is connected with control system Q10, control system Q10 control hydraulic pressure gauge Q204, overflow pipe valve Q503 and moisturizing pipe valve Q202.
According to the 5th embodiment of the present utility model, there is provided by using above-mentioned quicklime slaking, batch mixing and dedusting Device is come the method that carries out quicklime slaking, batch mixing and dedusting.Wherein above-mentioned quicklime slaking, batch mixing and dust arrester include Two-stage burnt lime digester or three-level burnt lime digester.
Therefore, according to other side of the present utility model, there is provided a kind of use includes two-stage burnt lime digester The quicklime slaking of above-mentioned digestion, batch mixing and dust arrester, batch mixing and dust collection method, the method are comprised the following steps:
1) quicklime slaking:Quick lime is put in the charging aperture 2 of two-stage burnt lime digester 1, via sealing conveying Section casing 3 is transported in the first digestion section casing 4, by the water spray dress positioned at the top of the first digestion section casing 4 or sidepiece Put the quick lime material moved in 5 to first digestion section casings 4 to spray water so that quick lime is next in the stirring action of shaft Side is moved while generation mixing and digestion, digest into second next in the stirring action of shaft again in section casing 8 afterwards Move while occurring further to mix and digest, discharging opening 9 row of the postdigestive quick lime via 1 bottom of burnt lime digester on side Go out;
2) batch mixing:It is defeated by ribbon conveyer including the raw material for sintering of fine iron breeze and powdery coal fuel (such as coking coal powder) The conveyer belt G1 with mixing mechanism G is sent to convey, material separation device G201 of inspection and dust arrester G2 is first in sintering before material Groove is scraped with the mid portion of raw material, quick lime is transferred after the digestion discharged from the discharging opening 9 of 1 bottom of burnt lime digester To or drop in the groove, then after material the material polyplant G301 of inspection and dust arrester G3 by the sintering of groove vicinity (or striking off) is swept with raw material and quick lime after the digestion in groove is covered, then the material on conveyer belt G1 is continuously transported to Batch mixing is carried out in first mixing drum G7;More specifically:It is primary mixing on the conveyer belt of the relative conveyer belt upstream of feed opening Material, after material separation device is separated, just forms a conveyer belt dead slot in the middle of conveyer belt, postdigestive Calx is from blanking Mouth is fallen in conveyer belt dead slot, due to conveyer belt by V-type carrying roller into V-type, so by the detached primary discharge position that mixes than described Dead slot is high, then primary compound is polymerized toward middle through material polyplant, and being covered on Calx becomes compound;With
3) dedusting of dusty gas:Sealing gather dust external tapping of the dusty gas in dust excluding hood 6 from sealing dust excluding hood 6 The 601 cleaning shaft Q4 for being output to wet dust collector Q1, meanwhile, from before material examine and remove after inspection and dust arrester G2 and material The dusty gas exported by the external tapping that gathers dust of the cleaner (such as dust excluding hood) of dirt device G3 is also transported to water bath dust-removing The cleaning shaft Q4 of device Q1, the dusty gas of convergence are injected into dedusting pond by the liquid down tube channel showerhead Q401 of cleaning shaft Q4 In the water of Q2, dedusting is carried out by contacting with water, the net air outlet Q303 that the gas after dedusting is arranged from shell of dust remover It is discharged.
According to of the present utility model in terms of another, there is provided a kind of using including that the above-mentioned of three-level burnt lime digester disappears Change the quicklime slaking and dust collection method with dust arrester, the method is comprised the following steps:
1) quicklime slaking:Quick lime is put in the charging aperture 2 of three-level burnt lime digester 1, via sealing conveying Section casing 3 is transported in the first digestion section casing 4, by the water spray dress positioned at the top of the first digestion section casing 4 or sidepiece Put the quick lime material moved in 5 to first digestion section casings 4 to spray water so that quick lime is next in the stirring action of shaft Side is moved while generation mixing and digestion, digest into second next in the stirring action of shaft again in section casing 8 afterwards Side is moved while generation further mixing and digestion, makees in the stirring of shaft again in the 3rd digestion section casing 14 afterwards Moved while occurring further to mix and digest, postdigestive quick lime goes out via 1 bottom of burnt lime digester with lower Material mouth 9 is discharged;
2) batch mixing:It is defeated by ribbon conveyer including the raw material for sintering of fine iron breeze and powdery coal fuel (such as coking coal powder) The conveyer belt G1 with mixing mechanism G is sent to convey, material separation device G201 of inspection and dust arrester G2 is first in sintering before material Groove is scraped with the mid portion of raw material, quick lime is transferred after the digestion discharged from the discharging opening 9 of 1 bottom of burnt lime digester To or drop in the groove, then after material the material polyplant G301 of inspection and dust arrester G3 by the sintering of groove vicinity (or striking off) is swept with raw material and quick lime after the digestion in groove is covered, then the material on conveyer belt G1 is continuously transported to Batch mixing is carried out in first mixing drum G7;More specifically:It is primary mixing on the conveyer belt of the relative conveyer belt upstream of feed opening Material, after material separation device is separated, just forms a conveyer belt dead slot in the middle of conveyer belt, postdigestive Calx is from blanking Mouth is fallen in conveyer belt dead slot, due to conveyer belt by V-type carrying roller into V-type, so by the detached primary discharge position that mixes than described Dead slot is high, then primary compound is polymerized toward middle through material polyplant, and being covered on Calx becomes compound;With
3) dedusting of dusty gas:Sealing gather dust external tapping of the dusty gas in dust excluding hood 6 from sealing dust excluding hood 6 The 601 cleaning shaft Q4 for being output to wet dust collector Q1, meanwhile, from before material examine and remove after inspection and dust arrester G2 and material The dusty gas exported by the external tapping that gathers dust of the cleaner (such as dust excluding hood) of dirt device G3 is also transported to water bath dust-removing The cleaning shaft Q4 of device Q1, the dusty gas for converging are injected into dedusting pond by the liquid down tube channel showerhead Q401 of cleaning shaft Q4 In the water of Q2, dedusting is carried out by contacting with water, the net air outlet Q303 that the gas after dedusting is arranged from shell of dust remover It is discharged.
Below with reference to the accompanying drawings, by taking two-stage digester as an example, specific embodiment of the present utility model more particularly described below.
This utility model provides a kind of quicklime slaking sintered material hybrid technique, and this technique includes herein below:
(1) foundation in the digestion workshop of quick lime:Cancel calculogenesis ash silo and relevant device in existing batch plant.With reference to figure 1, at the first mixing drum G7 charging apertures, quicklime slaking workshop X1 is built, in workshop, top design deposits the life of quick lime Lime silo X2, ash silo divide into two blanking ports X2a and X2b.Quick lime is from the belt conveyer scale X3 that calculogenesis ash silo falls under storehouse, then send Digested in entering burnt lime digester 1, the quantity of digestive appartus 1 can be adjusted according to requirement of engineering, disappeared in the present embodiment Change workshop and be provided with two digestive appartus 1, the using and the reserved;Calx is fallen into into workshop bottom from feed opening 9 after having digested and transports which On the conveyer belt G1 of his raw material, inspection and dust arrester G2 before the relative conveyer belt upstream and downstream of feed opening is respectively equipped with material With inspection and dust arrester G3 after material, monitoring for the humidity and temperature of material and material is arranged, while being responsible for Converge or merge with quick lime dedusting outlet 601 not shown in the dedusting outlet diagram of blanking dedusting, G2 and G3, only with a dedusting Device;Then Calx and other raw materials are together entered in the first mixing drum G7 being connected with digestion workshop and are mixed and made Grain.The technique not only shortens the fed distance of Calx, eliminates thermal loss and ring that Calx is produced in course of conveying Border is polluted, and original-two blanking port of two storehouses is changed to-two blanking port of a storehouse, while Production requirement is met, greatly reduces Quicklime slaking dedusting and raw material mixing dust removing are merged, reduce equipment cost by civil engineering cost in addition.
(2) digestion of quick lime:With reference to Fig. 2~Fig. 4, the slaking apparatus B of the system is two-stage digester, including upper nowel Body, upper box are divided into the first digestion section casing 4 and sealing transportation section casing 3 being connected, and put down in the first digestion section casing 4 Row is respectively arranged with two the first shaft 401a and 401b driven by power set, two shaft 401a and 401b synchronizations Rotate and direction of rotation is conversely, the power set include first driving means 11, first driving means 11 pass through first shaft coupling 11a is connected with first gear case 11b, and two shafts 401a and 401b pass through first bearing seat 11c and first tooth respectively In roller box 11b, intermeshing a pair of gears are connected, and so as to realize that synchronous backward is rotated, first bearing seat 11c is located at casing 4 Outside, and designed using split, bearing working environment is good, long service life;Two stirring rod 401a and 401b disappear positioned at first The part changed in section casing 4 is provided with some scattered stirring vanes 402, the stirring vane on two shafts 401a and 401b 402 interlaced settings (shaft 401 and its stirring vane 402 are merely illustrated in Fig. 2), two shaft 401a and The part that 401b is located in sealing transportation section casing 3 is provided with conveyor screw blade 301, sets on the top of sealing transportation section casing 3 There is charging aperture 2, charging aperture 2 is provided with self seal valve 201 with the junction of sealing transportation section casing 3, seals transportation section casing 3 Discharging opening connection first digest the head end feeding mouth of section casing 4;It is provided with the tail end discharging opening of the first digestion section casing 4 At digestion casing blanking and disclose material mouth 7, material is by upper digestion casing blanking and disclosing material mouth 7 into the digestion section of lower box second The head end of casing 8, it is also parallel in the second digestion section casing 8 to be respectively arranged with two the second shafts driven by power set 801a and 801b, two shafts 801a and 801b also synchronous axial system and direction of rotation is conversely, the power set include the second drive Dynamic device 12, the second driving means 12 are connected with second gear case 12b by second shaft coupling 12a, two shaft 801a and 801b is connected with intermeshing a pair of gears in the second gear case 12b by second bearing seat 12c respectively, so as to reality Existing synchronous backward is rotated, and the steering of the second driving means 12 is contrary with the steering of first driving means 11;Two shafts 801a and 801b also is provided with some scattered stirring vanes, two shaft 801a positioned at the part in the second digestion section casing 8 With the interlaced setting of stirring vane on 801b, the tail end of the second digestion section casing 8 is provided with discharging opening 9, disappears in two-stage Change and on device casing, be additionally provided with digestion casing apparatus for examination and repair 10, including digestion casing apparatus for examination and repair door 10a and digestion casing maintenance dress An activity even mechanism 10b is put, digestion casing apparatus for examination and repair door moving connecting mechanism 10b is arranged on lower box bottom, digests casing Apparatus for examination and repair door 10a bottoms are connected with digestion casing apparatus for examination and repair door moving connecting mechanism 10b, and door can be around the moving connecting mechanism 10b is rotated, and digestion casing apparatus for examination and repair door 10a tops are snapped connection with lower box top, i.e., the top can be opened and be closed, During maintenance, open digestion casing apparatus for examination and repair door 10a and overhauled, the apparatus for examination and repair generally expansion is greatly facilitated and disappeared Change the maintenance of device.Sealing dust excluding hood 6 is additionally provided with above the first digestion section casing 4, the height of dust excluding hood 6 is along material conveying side To gradually increasing, the external tapping 601 that gathers dust is additionally provided with the end of dust excluding hood 6, by gather dust external tapping 601 and the extraneous dedusting system Road connection under the overall leadership.Water injector 5 is additionally provided with upper box, 5 one end of water injector is external with initial water supply line L0, another End is connected with some scalable sprinkler heads 502 by automatization effusion meter water valve 501, automatization effusion meter water valve 501 and master control Room electrical connection carries out Automated condtrol and has cutting function to the water yield, and some scalable sprinkler heads 502 stretch into the first digestion section Shower water is carried out in 4 top dust excluding hood 6 of casing to material, some scalable sprinkler heads 502 can be according to the length of digestion section casing Carry out flexible adjustment, length arrangement straggly so that add water evenly, the region that adds water is wider, the water yield also obtains Automated condtrol.
The slaking apparatus have the following advantages:1st, compared with single-stage digestion, digestibility increases by 1 to 2 times, and digestible degree is high, section Digestion process parameter, maximization make quicklime slaking complete.2nd, seal the part in the casing of transportation section and be provided with continuous defeated Square auger blade, forms helixseal conveying, only permits between the inwall and continuous conveyor screw blade that seal transportation section casing Perhaps quick lime is pushed ahead into digestion section casing, can effectively prevent steam anti-channeling to feeding mouth from causing hardened or affecting belt conveyer scale Weighing precision.3rd, using Double shaft stirring form, with stirring, multiple action and the effects such as caking and self-cleaning are crushed;Improve life Lime under agitation frequency, is made quick lime be mixed homogeneously with water, reacts abundant;Stirrer paddle adopts manganese steel plate weld carbide cutter tool Head, increases the service life.4th, as a result of multistage digestion, the also Automated condtrol of the water yield so that digestion effect very well, is produced The also corresponding a large amount of reductions of raw dust, substantially improve the external environment condition in digestion place, and digestion region dust concentration is far below state Family's emissions concentration standard, has administered the problem of environmental pollution of existing digestion zone.5th, for multistage digestive appartus one-level digest section with Under maintenance blind spot, there is provided a kind of effective expansion repair method, solve a multistage digestive appartus maintenance difficult problem.
Quicklime slaking smoke characteristic:1st, strong cohesive property and hydrophilic, according to test, the fracture strength of CaO is more than 600Pa, It is strong cohesive property and strongly hydrophilic dust, is easy to caking or sticks on the inwall of cleaner unit and its pipeline;2nd, polymolecularity, The chemical reaction of quick lime and water is violent exothermic reaction, the Ca (OH) of generation2The granularity of colloidal solid is superfine, mean diameter For 30 μm, therefore, in digestion process, quick lime dust easily diffuses with thermal current and comes, and natural subsidence is very slow, diffusion Scope is wide, and dust catching difficulty is big;3rd, the hydraulicity, quick lime add water to digest and generate Ca (OH)2, dispersion in atmosphere can be further Water suction and CO2Reaction, generates CaCO3Precipitation, works as CaCO3Amount accumulation to a certain extent after, hard scale will be formed and hardened.It is raw Lime slaking smoke characteristic not only results in quick lime and sticks to cleaning shaft, hardened rear blocking pipeline, but also heavy corrosion The pole plate of electric cleaner, affects its normal operation.During using sack cleaner, also can because the hydraulicity cause cloth bag paste quickly it is stifled and It is forced to disable.
(3) digestive appartus water:Chiller of the central cooler as sintering deposit in sintering plant, central cooler is by cooling down sintering deposit Produce a large amount of hot blasts.With reference to Fig. 1, this utility model is entered to cold water X5 by heat-exchange device X4 using the hot blast X6 of central cooler Hot water after heating is accessed the initial water supply line of digestive appartus, is subsequently used for quicklime slaking by row heating.It is so not only abundant Make use of the hot blast of central cooler, and also improve the temperature of quicklime slaking water, improve the effect of digestion.
(4) conveying of Calx:Slaked lime is the product of quick lime and water reaction, releases heat during the course of the reaction, disappears Calx after change is higher due to own temperature, so in transportation, steam volatilization on the way is too many, while steam volatilizees Dust is also inconjunction with and flies upward, and this is not only polluted to surrounding enviroment, but also can reduce the temperature and humidity of Calx, to rear Continuous batch mixing and granulation cause certain impact.Therefore, this utility model is disappeared using a kind of quick lime that reduces in the conveying of Calx Energy-saving and environment protection steam device on the way after change, as shown in Fig. 6,7,8, the device includes ribbon conveyer frame G6, and is arranged on machine U-shaped or V-type carrying roller G4 and G5 on frame, and belt of belt conveyor G1 being arranged on the carrying roller;It is square on the conveyor belt There is limeslaker feed opening 9, at least one dress is provided with the conveyer frame of the upstream of the relative conveyer belt of feed opening There is inspection and dust arrester G2, i.e. material separation device G201 before the material of material separation device G201.In the relative conveying of feed opening Inspection and dust arrester G3, i.e. thing after the material equipped with material polyplant G301 is provided with the conveyer frame in the downstream of band Material polyplant G301.The temperature and moisture sensors electrically connected with master control room are additionally provided with material polyplant G301, Real-time monitoring is carried out to the temperature and humidity of material.It is primary compound on the conveyer belt of the relative conveyer belt upstream of feed opening G101, after material separation device G201 is separated, just forms a conveyer belt dead slot G102 in the middle of conveyer belt, postdigestive ripe Calx G103 is fallen in conveyer belt dead slot G102 from feed opening 9, as conveyer belt supports into V-type by V-type carrying roller, so being separated Primary mixing discharge position it is higher than the dead slot, then primary compound is covered on Calx through material polyplant G301 Become compound G104, as primary compound G101 is covered on Calx G103, so Calx is just basic without a large amount of Steam volatilizees, the variety of problems that course of conveying steam excessively causes after just overcoming lime slaking.
The energy-saving environmental protection device has the advantage that:1st, this utility model simple structure, mainly using material separation device and After material polyplant solves the problems, such as lime slaking, course of conveying steam is excessive.2nd, reduce postdigestive Calx on the way Steam volatilization is too many, also solves because while steam volatilizees, dust is also inconjunction with to fly upward and pollutes problem to surrounding enviroment. 3rd, the temperature and humidity of Calx is improve, is conducive to follow-up batch mixing and granulation.4th, can be according to inventory and transporting velocity to thing Material separating device and material polyplant are adjusted, and adjust detached height and the thickness for covering, workable, flexibly many Become, adapt to the needs of production.5th, operation, easy to maintenance, energy-saving and emission-reduction, cost-effective.
(5) mixing and granulation of material:There is postdigestive Calx to carry out in mixing drum iron ore concentrate, coking coal powder Mixing and granulation, then go sintering machine to be sintered again.
With reference to Fig. 9, this digestion and dust pelletizing system include, slaking apparatus A, using multistage digestive appartus 1, by quick lime Q and logical Cross the next steel-smelting sewage sludge H of sludge pump G conveyings to be added in slaking apparatus A, then by initial water supply line L0 to slaking apparatus In add water, carry out digestion operation.Limeslaker dust mainly adds water in digestion process and produces a large amount of vapor and Calx Dust, collect these dust need by it is digestive appartus top closed and on closed good digestive appartus air vent directly by inhaling The external cleaning shaft of dust hood.The dust that digestive appartus are collected sends into dust arrester by cleaning shaft together with other points dedusting J Q1 or B.
With reference to Fig. 9, the characteristics of for quicklime slaking flue gas, the system dust arrester B adopts water bath dust-removing mode, this Cleaner is in the novel combination type purifier of one, dedusting using water-bath washing dust removal mechanism and filtering type purification techniques Efficiency is very high.
As shown in Fig. 9, Figure 10 and Figure 11, digestion is contained from burnt lime digester A dedusting interfaces by cleaning shaft first Cloud of dust gas (via the cleaning shaft Q4 shown in Figure 10) accesses efficient quicklime slaking wet dust collector B (i.e. shown in Figure 10 Q1).This efficient quicklime slaking wet dust collector Q1 includes that the external limeslaker dedusting interface 601, other end in one end connects The cleaning shaft Q4 being connected to inside cleaner unit Q1, cleaning shaft Q4 enter cleaner unit from the centre position on shell of dust remover R2 tops In Q1, cleaning shaft Q4 stretches in cleaner unit Q1 and is provided with liquid down tube channel showerhead Q401, and shower nozzle Q401 is netted knot Structure or loose structure, the shower nozzle stretch into certain depth in the Q2 of dedusting pond, and the purpose of the pipeline shower nozzle is cutting bubble, increases cigarette Contact of the gas with water, improves efficiency of dust collection.
One end of cleaning shaft Q4 is external to one or more outfans containing dusty gas collection device, and (for example Calx disappears Change the dedusting interface of device 1), the other end passes through shell of dust remover Q3 from top to bottom and stretches into the water in dust removal below shell of dust remover Q3 In the Q2 of pond, cleaning shaft Q4 stretches into the one end in the Q2 of dedusting pond and is provided with liquid down tube channel showerhead Q401, pipeline spray wherein under liquid The end of head Q401 is network structure or loose structure;Preferably, cleaning shaft Q4 is passed through from the middle part of shell of dust remover Q3.
It is preferred that, cleaner unit Q1 also includes:Positioned at the overflow water seal water pond Q5 of dedusting pond Q2 sides, and in water in dust removal Between pond Q2 and overflow water seal water pond Q5, in the water level regulation hole Q301 issued by the lower end of shell of dust remover Q3 sides;It is more excellent Choosing, on the outside of the shell of dust remover Q3 by the Q301 of water level regulation hole is provided with card and puts groove Q302 and water level control apparatus Q6, should Water level control apparatus Q6 includes water level regulation plate Q601, screw rod Q602, regulating valve Q603, and water level regulation plate Q601 cards are placed on institute State card to put in groove Q302, one end of screw rod Q602 is connected with water level regulation plate Q601, the other end and the regulation of screw rod Q602 Valve Q603 connects, wherein vertical width of the vertical width of water level regulation plate Q601 slightly larger than water level regulation hole Q301.
It is preferred that, cleaner unit Q1 also includes:The cover plate Q501 being arranged on above overflow water seal water pond Q5, the one of cover plate Q501 End is connected with shell of dust remover Q3, in other end insertion overflow water seal water pond Q2;It is further preferred that one is provided with cover plate Q501 Through hole, screw rod Q602 pass through the through hole.Screw rod Q602 is made to move down along on the through hole by the effect of regulating valve Q603 It is dynamic, therefore drive water level regulation plate Q601 to move up and down.
It is preferred that, overflow water seal water pond Q5 tops are provided with overflow pipe Q502, for adjusting the water level in overflow water seal water pond; It is further preferred that overflow pipe Q502 is provided with overflow pipe valve Q503.
It is preferred that, be provided with filling pipe Q201 on the Q2 of dedusting pond, for in dedusting pond supplement water;Preferably, Moisturizing water pipe Q201 is provided with moisturizing pipe valve Q202.
It is preferred that, dedusting pond Q2 bottoms are funnel-form or " V " type or are rendered as inversed-cone shape, and dedusting pond Q2 bottoms set There is sewage sludge tapping equipment Q203;It is further preferred that being additionally provided with hydraulic pressure gauge Q204 in sewage sludge tapping equipment Q203.
It is preferred that, support Q7 is provided with above the dedusting pond Q2 in shell of dust remover Q3, be provided with below support Q7 First group of metal gauze Q701 (preferably V-type drainage screen or V-type metal gauze) a little is punctured and on support Q7 as bubble Side is provided with second group of metal gauze Q702 (preferably reverse V-shaped metal gauze);Preferably, first group of metal gauze Q701 And/or second group of metal gauze Q702 alternating inclinations arrangement, point of intersection is provided with to seal blocks Q703.
It is preferred that, sprinkler head Q8 is provided with above second group of metal gauze Q702, for second group of metal gauze Q702 Upper sprinkling water in dust removal or dedusting liquid;Preferably, dash demisting plate Q9 is provided with above sprinkler head Q8, in dash demisting plate Q9 Net air outlet Q303 is provided with the shell of dust remover of top.
It is preferred that, cleaner unit Q1 also includes control system Q10, hydraulic pressure gauge Q204, overflow pipe valve Q503 and moisturizing pipe valve Q202 It is connected with control system Q10, control system Q10 control hydraulic pressure gauge Q204, overflow pipe valve Q503 and moisturizing pipe valve Q202.
The dust flue gas fetched from burnt lime digester dust removal port are entered in cleaner unit by cleaning shaft, and cleaning shaft is inserted Enter certain position in dedusting pond, the position is determined by exhaust gas volumn, cleaning shaft inserts under water and is provided with netted knot The pipeline shower nozzle of structure;Dusty gas Jing with certain speed enters cleaning shaft and is sprayed at shower nozzle at a relatively high speed, to water layer Enter after producing percussion in water, the direction of motion of gas changes, and grit is then continued by original side due to the effect of inertia To motion, stay in water after wherein most grit and water adhesion, the netted knot of the bubble Jing shower nozzles that smoke-shock water body is produced Structure cuts into minute bubbles, increased the contact area of bubble and water, strengthens seizure of the water in dust removal to dust, realizes that the first order is rushed Hit formula water bath dust-removing;In water bath dust-removing, flue gas, most of dust is removed, and remainder particle dust is through two-layer V Type net, the moisture film formed in net are caught to the fine dust in flue gas, realize second level filtering type water film dedusting, after purification Gas Jing dash demisting process after from exit discharge.
With advantages below compared with traditional wet scrubber:1st, impulse type water bath dedusting technology and filtering type have been gathered Water film dedusting technological merit, targetedly captures bulky grain and fine dust, and efficiency of dust collection is up to 99.9%.2nd, can be in equipment Water level in cleaner unit is adjusted during operation, higher purification efficiency is reached, while ensure that purifier running resistance is relatively low, equipment energy Consumption is low.3rd, using overflow water seal, the fluctuation range of liquid level in purifier cylinder is controlled well, it is ensured that purifier has Stable purification efficiency, and protective effect is served to blower fan.4th, dedusting sewage can be recycled after sewage disposal again, Sewage discharge capacity is reduced, secondary pollution is prevented.5th, this utility model simple structure, operation, it is easy to maintenance.
With reference to Fig. 9, the purification gas after dust arrester Q1 (or B) process, air exhauster C is connected by ventilation shaft, Air exhauster C connects chimney D again, and the flue gas Jing chimneys after dedusting are entered air by convulsion operation by air exhauster.In chimney Simple dust arrester and moisture collection device again are also equipped with, to realize that outer air-discharging dustiness is up to state standards and moisture Collection recycling.
Sewage after the process of dust arrester Q1 (or B) water bath dust-removing, imports sewage-treatment plant by sewage conduct E, sewage-treatment plant include stirring pool E1, sedimentation tank E2 and clear water reserviors E3, and blender E11 is provided with stirring pool.Sewage Agitated pond flows to sedimentation tank, then flows to clear water reserviors.Water in stirring pool enters lime slaking device by sewage pump F1, carries out Recycle.And the water clarified water pump F2 in clear water reserviors is transported to cleaning device K by fresh water pipeline L2, cleaning device is to whole In system, cleaning shaft is cleaned, and the sewage after cleaning is imported cesspool again, is circulated utilization.Under normal circumstances, Cleaner unit, the water consumption of blower fan can be less than the digestion water consumption of limeslaker, it is necessary to system be entered by water inlet manifold road L1 Row moisturizing, the external water sources of water inlet manifold road L1, moisturizing point are designed in clear water reserviors, and rate of water make-up is controlled using ball-cock assembly, maintainer Dynamic of water balance in system.
In order to rationally using supplying water, equipment adopts clean clear water with water, is mainly used in water bath dust-removing, blower fan and part dedusting Pipeline cleaning and moisturizing etc., the sewage Jing gutters after use are immediately discharged to stirring pool.Pipeline cleaning uses clear water, by clear water Water in pond is squeezed in pipeline using water pump again and pipeline is cleaned, and the sewage major part Jing pipelines after cleaning flow into water-bath and remove Dirt device enters stirring pool together with dust waste water, recycles;The whereabouts of dust waste water is after in stirring pool, blender is stirred evenly Jing water pumps squeeze into limeslaker or other water consumption points.
With reference to Fig. 9, Jing after long-term operation, bottom can be piled up sludge, and the sludge is from bottom of pond pipeline for stirring pool and sedimentation tank Filter-pressing device M is entered, sludge Jing after filter-pressing device filter pressing is passed through the sludge after dehydration in burnt lime slaking device A, will filter Water enters stirring pool again, and real mud and sewage is recycled.
The cleaning of pipeline and equipment:The main component of limeslaker dust is CaO, Ca (OH)2And vapor, this powder Dirt caking property in the environment of high temperature, moistening is very strong, will be bonded in inner-walls of duct when dusty gas passes through cleaning shaft, by Gradually thicken until block, dedusting pipeline can keep unimpeded time less than one month under normal circumstances.To prevent cleaning shaft Blocking, needs to clean pipeline in time, cleaning device is designed on pipeline.In order to prevent line clogging, dedusting pipeline from setting Meter should reduce horizontal pipe as far as possible and shorten pipeline distance, and consider the installation site and inspection platform of cleaning device.Water-bath is removed Dirt device purified gas still contains a small amount of lime dust and substantial amounts of vapor, and the gas of moistening is easy to cause fan blade Laying dust and fouling, occur local shedding, cause impeller balance to destroy, shaking occurs in blower fan after blade laying dust reaches certain thickness It is dynamic.In order to solve the normal produced problems of above-mentioned Jing, ash removing opening, the laying dust of periodic cleaning draught fan impeller are opened up on fan casing; And cleaning device, the laying dust that long-term spray is cleaned on fan blade in time, it is ensured that the balance of impeller are installed before air inlet.
This utility model can solve that existing digestive appartus digestive efficiency is low, dust collector efficiency is low completely, cleaning shaft it is stifled A series of problems, such as plug, the vibration of blower fan, sewage sludge are recycled, it is ensured that dust pelletizing system can be run steadily in the long term.Calculogenesis Grey digestibility is very high, and dust, the collecting effect of steam can also reach more than 99%, and after purification, the concentration of emission of exhaust gas dust is far little In the discharge standard of national regulation, the purpose of energy-conserving and environment-protective is also realized.
A kind of using method of wet dust collector or the dust collection method using above-mentioned wet dust collector, the method includes following Step:
(1) by filling pipe Q201 to water-retention in dedusting pond, water level regulation plate Q601 is adjusted, water in the Q2 of dedusting pond is made Position reaches predetermined value, closes moisturizing pipe valve Q202;
(2) dusty gas (dust flue gas for such as fetching from burnt lime digester dust removal port) by cleaning shaft Q4 from upper and Under from the middle part of shell of dust remover Q3 in cleaner unit Q1, by smoke property and the uninterrupted of flue gas, adjust water level regulation dress Q6 is put, certain position in cleaning shaft Q4 insertion dedusting pond Q2, cleaning shaft Q4 insertion under water one is provided with netted The liquid down tube channel showerhead Q401 of structure;
(3) dusty gas with certain speed flows through cleaning shaft Q4 at the liquid down tube channel showerhead Q401 at a relatively high speed Spray, water layer produced and is entered after percussion in water, the direction of motion of gas changes, and grit due to inertia effect then after It is continuous to press original direction motion, stay in water after wherein most grit and water adhesion, smoke-shock water body Jing liquid down tube channel showerheads The network structure of Q401 cuts into minute bubbles, increased the contact area of flue gas and water, strengthens seizure of the water in dust removal to dust, Realize first order impulse type water bath dedusting;
(4) in water bath dust-removing, flue gas, most of dust is removed, and remainder particle dust is golden through first group Category silk screen Q701 forms the second moisture film that first moisture film and second group of metal gauze Q702 are formed, and twice moisture film is in flue gas Fine dust caught, realize second level filtering type water film dedusting, purified gas is Jing after dash demisting plate Q9 process Discharge from exit.
(5) dedusting pond Q2 has turned into sewage through prolonged dedusting, by the sewage from funnel-form or " V " type dedusting The sewage sludge tapping equipment Q203 of pond Q2 bottoms is discharged, and carries out moisturizing from filling pipe Q201.
A kind of quicklime slaking and mixing procedure, the method are comprised the following steps:
(1) quicklime slaking:Quick lime is put in the charging aperture 2 of two-stage burnt lime digester 1, via sealing conveying Section casing 3 is transported in the first digestion section casing 4;
(2) by the water injector 5 positioned at the top of the first digestion section casing 4 or sidepiece into the first digestion section casing 4 The quick lime material water spray of motion is so that quick lime is moved while occurring to mix and disappear under the stirring action of shaft Change;
(3) moved while occurring under the stirring action of shaft in the second digestion section casing 8 again after Further mix and digest, postdigestive quick lime is discharged via the discharging opening 9 of 1 bottom of burnt lime digester;
(4) batch mixing:Including fine iron breeze and powdery coal fuel (such as coking coal powder) raw material for sintering by ribbon conveyer The conveyer belt G1 conveyings of conveyer belt mixing mechanism G, before material, material separation device G201 of inspection and dust arrester G2 is being burnt first The mid portion of knot raw material scrapes groove;
(5) after the digestion discharged from the discharging opening 9 of 1 bottom of burnt lime digester, quick lime is transferred to or to drop to this recessed In groove;
(6) after material, the raw material for sintering of groove vicinity is swept by the material polyplant G301 of inspection and dust arrester G3 (or striking off) quick lime after the digestion in groove is covered, then the material on conveyer belt G1 is continuously transported to the first mixing rolling Batch mixing is carried out in cylinder G7.
Preferably, the first digestion section casing 4 built with a pair the first shaft 401a with stirring vane 402 and Both 401b, this pair of the first shaft 401a and 401b are by first driving means 11 are driven and both rotation side To contrary.
Preferably, the second digestion section casing 8 built with a pair the second shaft 801a with stirring vane and Both 801b, this pair of the second shaft 801a and 801b are by 12 driven and both rotation sides of the second driving means To contrary.
Preferably, a 801a in the middle of the second shaft 801a and 801b works as positioned at the first shaft 401a and 401b In a 401a underface, and the direction of rotation of both their 401a and 801a is contrary.
Preferably, the input of water injector 5 is external with initial water supply line L0, outfan passes through automatization's effusion meter Water valve 501 is connected with the multiple telescopic sprinkler head 502 on the top positioned at 4 inner space of the first digestion section casing;Preferably It is that automatization effusion meter water valve 501 is electrically connected to carry out the water yield Automated condtrol and with cutting function with Master Control Room;Enter One step is preferably, and multiple scalable sprinkler heads 502 carry out flexible adjustment, length row straggly according to the length of digestion section casing Cloth.
Preferably, the hot water outlet of the initial water supply line L0 of water injector 5 externally connected heat exchanger X4, this changes There is hot device X4 cooling water inlet X5 and hot water outlet and the hot gas import X6 of heat to export with the cooling gas after heat exchange.
A kind of quicklime slaking and mixing procedure, the method are comprised the following steps:
(1) quicklime slaking:Quick lime is put in the charging aperture 2 of three-level burnt lime digester 1, via sealing conveying Section casing 3 is transported in the first digestion section casing 4;
(2) by the water injector 5 positioned at the top of the first digestion section casing 4 or sidepiece into the first digestion section casing 4 The quick lime material water spray of motion is so that quick lime is moved while occurring to mix and disappear under the stirring action of shaft Change;
(3) moved while occurring under the stirring action of shaft in the second digestion section casing 8 again after Further mix and digest;
(4) moved while occurring under the stirring action of shaft in the 3rd digestion section casing 14 again after Further mix and digest, postdigestive quick lime is discharged via the discharging opening 9 of 1 bottom of burnt lime digester;
(5) batch mixing:Including fine iron breeze and powdery coal fuel (such as coking coal powder) raw material for sintering by ribbon conveyer The conveyer belt G1 conveyings of conveyer belt mixing mechanism G, before material, material separation device G201 of inspection and dust arrester G2 is being burnt first The mid portion of knot raw material scrapes groove;
(6) after the digestion discharged from the discharging opening 9 of 1 bottom of burnt lime digester, quick lime is transferred to or to drop to this recessed In groove;
(7) after material, the raw material for sintering of groove vicinity is swept by the material polyplant G301 of inspection and dust arrester G3 (or striking off) quick lime after the digestion in groove is covered, then the material on conveyer belt G1 is continuously transported to the first mixing rolling Batch mixing is carried out in cylinder G7.
Preferably, the first digestion section casing 4 built with a pair the first shaft 401a with stirring vane 402 and Both 401b, this pair of the first shaft 401a and 401b are by first driving means 11 are driven and both rotation side To contrary.
Preferably, the second digestion section casing 8 built with a pair the second shaft 801a with stirring vane and Both 801b, this pair of the second shaft 801a and 801b are by 12 driven and both rotation sides of the second driving means To contrary.
Preferably, digesting the 3rd shaft 1401a with stirring vane that section casing 14 is built with a pair the 3rd And both 1401b, this pair of the 3rd shaft 1401a and 1401b by the 3rd driving means 13 it is driven and both Direction of rotation is contrary.
Preferably, a 801a in the middle of the second shaft 801a and 801b works as positioned at the first shaft 401a and 401b In a 401a underface, and both their 401a and 801a direction of rotation conversely, with the 3rd shaft 1401a and The underface of a 801as of the 1401a in the middle of 1401b in the middle of the second shaft 801a and 801b, and they The direction of rotation of both 401a and 801a is contrary.
Preferably, the input of water injector 5 is external with initial water supply line L0, outfan passes through automatization's effusion meter Water valve 501 is connected with the multiple telescopic sprinkler head 502 on the top positioned at 4 inner space of the first digestion section casing;Preferably It is that automatization effusion meter water valve 501 is electrically connected to carry out the water yield Automated condtrol and with cutting function with Master Control Room;Enter One step is preferably, and multiple scalable sprinkler heads 502 carry out flexible adjustment, length row straggly according to the length of digestion section casing Cloth.
Preferably, the hot water outlet of the initial water supply line L0 of water injector 5 externally connected heat exchanger X4, this changes There is hot device X4 cooling water inlet X5 and hot water outlet and the hot gas import X6 of heat to export with the cooling gas after heat exchange.

Claims (35)

1. quicklime slaking and mixing device, it includes:Burnt lime digester, belt of belt conveyor mixing mechanism (G) and First mixing drum (G7), wherein belt of belt conveyor mixing mechanism (G) including belt of belt conveyor (G1), be equipped with Before the material of material separation device (G201) inspection and dust arrester (G2), the material equipped with material polyplant (G301) after inspection and Dust arrester (G3), carrier roller of belt conveyer (G4 and G5), ribbon conveyer frame (G6);The wherein digestion of burnt lime digester Quick lime discharging opening or the outlet of assimilation of quicklime outlet tube are positioned at the top of belt of belt conveyor (G1) and positioned at material Examine after front inspection and dust arrester (G2) and material and dust arrester (G3) between, the wherein blowdown of belt of belt conveyor (G1) End is located in the feed zone of the first mixing drum (G7).
2. device according to claim 1, examines and dust arrester after inspection and dust arrester (G2) and material wherein before material (G3) respectively it is furnished with a cleaner with the external tapping that gathers dust.
3. device according to claim 2, wherein burnt lime digester are removed equipped with the sealing with the external tapping (601) that gathers dust Dust hood (6);Wherein:The length of burnt lime digester is 3-30m.
4. the device according to any one of claim 1-3, wherein burnt lime digester (1) is two-stage quicklime slaking Device, it includes:Charging aperture (2), sealing transportation section casing (3) that front end is connected with charging aperture (2), with sealing transportation section casing (3) the first digestion section casing (4) that rear end is connected, positioned at the water spray dress of the top of the first digestion section casing (4) or sidepiece Put (5);Sealing dust excluding hood (6) at the top of the first digestion section casing (4), in the first digestion section casing (4) and away from At the upper digestion casing blanking of that one end of charging aperture (2) and disclose material mouth (7), the below the first digestion section casing (4) Two digestion section casing (8), in the second digestion section casing (8) and near the discharging opening (9) of that one end of charging aperture (2);Its In:The first shaft (401a, 401b) with stirring vane (402) that section casing (4) is built with a pair is digested first, this A pair first shaft (401a, 401b) both by first driving means (11) it is driven and both direction of rotation phase Instead;In addition, the second shaft (801a, 801b) with stirring vane that section casing (8) is built with a pair is digested second, this A pair second shaft (801a, 801b) both by the second driving means (12) it is driven and both direction of rotation phase Instead;With sealing dust excluding hood (6) is with the external tapping that gathers dust (601).
5. the device according to any one of claim 1-3, wherein burnt lime digester (1) is three-level quicklime slaking Device, it includes:Charging aperture (2), sealing transportation section casing (3) that front end is connected with charging aperture (2), with sealing transportation section casing (3) the first digestion section casing (4) that rear end is connected, positioned at the water spray dress of the top of the first digestion section casing (4) or sidepiece Put (5);Sealing dust excluding hood (6) at the top of the first digestion section casing (4), in the first digestion section casing (4) and away from At the upper digestion casing blanking of that one end of charging aperture (2) and disclose material mouth (7), the below the first digestion section casing (4) Two digestion section casing (8), in the second digestion section casing (8) and near the second digestion casing of that one end of charging aperture (2) At blanking and disclose material mouth (7a), the 3rd digestion section casing (14) below the second digestion section casing (8), positioned at the 3rd digestion The discharging opening (9) of that one end in section casing (14) and away from charging aperture (2);Wherein:First digestion section casing (4) built with A pair of the first shaft (401a, 401b) with stirring vane (402), this pair first shaft (401a, 401b) Both by first driving means (11) it is driven and both direction of rotation it is contrary;It is built-in in the second digestion section casing (8) There is a pair of the second shaft (801a, 801b) with stirring vane, this pair second shaft (801a, 801b) two Person by the second driving means (12) it is driven and both direction of rotation it is contrary;The 3rd digestion section casing (14) built with A pair of the 3rd shaft (1401a, 1401b) with stirring vane, this pair the 3rd shaft (1401a, 1401b) two Person by the 3rd driving means (13) it is driven and both direction of rotation it is contrary;With sealing dust excluding hood (6) is outer with gathering dust Interface (601).
6. device according to claim 4, wherein, (801a) in the middle of the second shaft (801a, 801b) is located at The underface of one (401a) in the middle of the first shaft (401a, 401b), and their (401a) and (801a) both rotations Turn in opposite direction.
7. device according to claim 5, wherein, (801a) in the middle of the second shaft (801a, 801b) is located at The underface of one (401a) in the middle of the first shaft (401a, 401b), and their (401a) and (801a) both rotations Turn in opposite direction, or
One (801a) in the middle of second shaft (801a, 801b) one in the middle of the first shaft (401a, 401b) (401a) underface, and their (401a) and (801a) both direction of rotation conversely, with the 3rd shaft (1401a, The underface of (801a) of (1401a) in the middle of 1401b) in the middle of the second shaft (801a, 801b), and Their (401a) and (801a) both direction of rotation are contrary.
8. device according to claim 4, wherein, the input of water injector (5) is external with initial water supply line (L0), Outfan can with the multiple of top positioned at the first digestion section casing (4) inner space by automatization's effusion meter water valve (501) Flexible sprinkler head (502) connection;And/or
Above the first digestion section casing (4), the height of set sealing dust excluding hood (6) is along the material conveying side of the casing (4) To gradually increasing, the external tapping that gathers dust (601) positioned at the end of dust excluding hood 6, by the dedusting in the external tapping that gathers dust (601) and the external world The pipeline of device or dust pelletizing system is connected.
9. device according to claim 5, wherein, the input of water injector (5) is external with initial water supply line (L0), Outfan can with the multiple of top positioned at the first digestion section casing (4) inner space by automatization's effusion meter water valve (501) Flexible sprinkler head (502) connection;And/or
Above the first digestion section casing (4), the height of set sealing dust excluding hood (6) is along the material conveying side of the casing (4) To gradually increasing, the external tapping that gathers dust (601) positioned at the end of dust excluding hood 6, by the dedusting in the external tapping that gathers dust (601) and the external world The pipeline of device or dust pelletizing system is connected.
10. device according to claim 8 or claim 9, wherein, automatization's effusion meter water valve (501) electrically connect with Master Control Room with Just Automated condtrol is carried out to the water yield and there is cutting function;Length of multiple scalable sprinkler heads (502) according to digestion section casing It is short to carry out flexible adjustment, length arrangement straggly.
11. devices according to claim 4, wherein, digestion case is additionally provided with the casing of two-stage burnt lime digester (1) Body apparatus for examination and repair (10), the apparatus for examination and repair (10) include one or more digestion casing apparatus for examination and repair door (10a) and one or many Individual digestion casing apparatus for examination and repair door activity connects mechanism (10b).
12. devices according to claim 5, wherein, digestion case is additionally provided with the casing of three-level burnt lime digester (1) Body apparatus for examination and repair (10), the apparatus for examination and repair (10) include one or more digestion casing apparatus for examination and repair door (10a) and one or many Individual digestion casing apparatus for examination and repair door activity connects mechanism (10b).
13. devices according to claim 11 or 12, wherein, one or more digestion casing apparatus for examination and repair doors are flexibly connected Mechanism 10b is installed in the bottom of the second casing or while be installed in the second casing and the respective bottom of the 3rd casing, digests The bottom of casing apparatus for examination and repair door (10a) is connected with digestion casing apparatus for examination and repair door moving connecting mechanism (10b), and door (10a) can Rotate around the moving connecting mechanism (10b), the top for digesting casing apparatus for examination and repair door (10a) is snapped connection with lower box top, I.e. the top can be opened and be closed.
14. devices according to any one of claim 1-3 or 6-9, wherein burnt lime digester are equipped with to have and gather dust The sealing dust excluding hood (6) of external tapping (601), and examine and dust arrester (G3) after inspection and dust arrester (G2) and material before material The external tapping that gathers dust (601) of sealing dust excluding hood (6) of gather dust external tapping and burnt lime digester of cleaner all connect To the cleaning shaft (Q4) of wet dust collector (Q1),
Wherein wet dust collector (Q1) includes:
Dedusting pond (Q2);
Shell of dust remover (Q3) above dedusting pond (Q2);
Cleaning shaft (Q4),
It is characterized in that:One end of cleaning shaft (Q4) is external to one or more outfans containing dusty gas collection device, The other end passes through shell of dust remover (Q3) from top to bottom and stretches in the dedusting pond (Q2) below shell of dust remover (Q3), dedusting Pipeline (Q4) stretches into the one end in dedusting pond (Q2) and is provided with liquid down tube channel showerhead (Q401), wherein liquid down tube channel showerhead (Q401) end is network structure or loose structure.
15. devices according to claim 4, wherein burnt lime digester are equipped with the sealing with external tapping (601) of gathering dust Dust excluding hood (6), and examine after inspection and dust arrester (G2) and material before material and the cleaner of dust arrester (G3) gathers dust The external tapping that gathers dust (601) of the sealing dust excluding hood (6) of external tapping and burnt lime digester is connected to wet dust collector (Q1) Cleaning shaft (Q4),
Wherein wet dust collector (Q1) includes:
Dedusting pond (Q2);
Shell of dust remover (Q3) above dedusting pond (Q2);
Cleaning shaft (Q4),
It is characterized in that:One end of cleaning shaft (Q4) is external to one or more outfans containing dusty gas collection device, The other end passes through shell of dust remover (Q3) from top to bottom and stretches in the dedusting pond (Q2) below shell of dust remover (Q3), removes Dirt pipeline (Q4) stretches into the one end in dedusting pond (Q2) and is provided with liquid down tube channel showerhead (Q401), wherein liquid down tube channel showerhead (Q401) end is network structure or loose structure.
16. devices according to claim 5, wherein burnt lime digester are equipped with the sealing with external tapping (601) of gathering dust Dust excluding hood (6), and examine after inspection and dust arrester (G2) and material before material and the cleaner of dust arrester (G3) gathers dust The external tapping that gathers dust (601) of the sealing dust excluding hood (6) of external tapping and burnt lime digester is connected to wet dust collector (Q1) Cleaning shaft (Q4),
Wherein wet dust collector (Q1) includes:
Dedusting pond (Q2);
Shell of dust remover (Q3) above dedusting pond (Q2);
Cleaning shaft (Q4),
It is characterized in that:One end of cleaning shaft (Q4) is external to one or more outfans containing dusty gas collection device, The other end passes through shell of dust remover (Q3) from top to bottom and stretches in the dedusting pond (Q2) below shell of dust remover (Q3), dedusting Pipeline (Q4) stretches into the one end in dedusting pond (Q2) and is provided with liquid down tube channel showerhead (Q401), wherein liquid down tube channel showerhead (Q401) end is network structure or loose structure.
17. devices according to claim 15 or 16, wherein, cleaning shaft (Q4) is worn from the middle part of shell of dust remover (Q3) Cross.
18. devices according to claim 15 or 16, it is characterised in that:The cleaner unit (Q1) also includes:Positioned at water in dust removal The overflow water seal water pond (Q5) of pond (Q2) side, and between dedusting pond (Q2) and overflow water seal water pond (Q5), in dedusting The water level regulation hole (Q301) issued by the lower end of device housing (Q3) side.
19. devices according to claim 18, it is characterised in that:(Q301) the other shell of dust remover in water level regulation hole (Q3) card is provided with the outside of and puts groove (Q302) and water level control apparatus (Q6), the water level control apparatus (Q6) are including water level regulation plate (Q601), screw rod (Q602), regulating valve (Q603), water level regulation plate (Q601) card are placed on the card and put in groove (Q302), spiral shell One end of swing arm (Q602) is connected with water level regulation plate (Q601), and the other end of screw rod (Q602) is with regulating valve (Q603) even Connect, wherein vertical width of the vertical width of water level regulation plate (Q601) slightly larger than water level regulation hole (Q301).
20. devices according to claim 19, it is characterised in that the cleaner unit (Q1) also includes:It is arranged on overflow water seal Cover plate (Q501) above pond (Q5), one end of cover plate (Q501) are connected with shell of dust remover (Q3), other end insertion overflow In water seal pond (Q2), a through hole on cover plate (Q501), is provided with, screw rod (Q602) is through the through hole.
21. devices according to claim 18, it is characterised in that:Overflow water seal water pond (Q5) top is provided with overflow pipe (Q502), for adjusting the water level in overflow water seal water pond.
22. devices according to claim 21, it is characterised in that:Overflow pipe (Q502) is provided with overflow pipe valve (Q503).
23. devices according to claim 14, it is characterised in that:Filling pipe is provided with dedusting pond (Q2) (Q201), for in dedusting pond supplement water;Moisturizing water pipe (Q201) is provided with moisturizing pipe valve (Q202).
24. devices according to any one of claim 15,16 or 19-22, it is characterised in that:On dedusting pond (Q2) Be provided with filling pipe (Q201), for in dedusting pond supplement water;Moisturizing water pipe (Q201) is provided with moisturizing pipe valve (Q202).
25. devices according to claim 14, it is characterised in that:Dedusting pond (Q2) bottom be funnel-form or " V " type or It is rendered as inversed-cone shape;Dedusting pond (Q2) bottom is provided with sewage sludge tapping equipment (Q203).
26. devices according to claim 15,16 or 23, it is characterised in that:Dedusting pond (Q2) bottom be funnel-form or " V " type is rendered as inversed-cone shape;Dedusting pond (Q2) bottom is provided with sewage sludge tapping equipment (Q203).
27. devices according to claim 18, it is characterised in that:Dedusting pond (Q2) bottom be funnel-form or " V " type or It is rendered as inversed-cone shape;Dedusting pond (Q2) bottom is provided with sewage sludge tapping equipment (Q203).
28. devices according to claim 27, it is characterised in that:It is additionally provided with sewage sludge tapping equipment (Q203) Hydraulic pressure gauge (Q204).
29. devices according to claim 14, wherein arranging above the dedusting pond (Q2) in shell of dust remover (Q3) There is support (Q7), be provided with below support (Q7) and first group of metal gauze (Q701) a little punctured and in support as bubble (Q7) second group of metal gauze (Q702) is provided with above.
30. devices according to claim 15 or 16, wherein above the dedusting pond (Q2) in shell of dust remover (Q3) Support (Q7) is provided with, and to be provided with below support (Q7) and first group of metal gauze (Q701) a little is punctured as bubble and prop up Second group of metal gauze (Q702) is provided with above frame (Q7).
31. devices according to claim 30, wherein, first group of metal gauze (Q701) and/or second group of metal gauze (Q702) alternating inclinations arrangement, point of intersection are provided with sealing card (Q703).
32. devices according to claim 29 or 31, wherein being provided with sprinkling above second group of metal gauze (Q702) Head (Q8), for water in dust removal or dedusting liquid are sprayed on second group of metal gauze (Q702).
33. devices according to claim 30, wherein being provided with sprinkler head above second group of metal gauze (Q702) (Q8), for sprinkling water in dust removal or dedusting liquid on second group of metal gauze (Q702).
34. devices according to claim 32, wherein, dash demisting plate (Q9) is provided with above sprinkler head (Q8), Net air outlet (Q303) is provided with above dash demisting plate (Q9) on shell of dust remover.
35. quicklime slakings according to claim 28 and mixing device, the cleaner unit (Q1) also include control system (Q10), hydraulic pressure gauge (Q204), overflow pipe valve (Q503) and moisturizing pipe valve (Q202) are connected with control system (Q10), control system (Q10) hydraulic pressure gauge (Q204), overflow pipe valve (Q503) and moisturizing pipe valve (Q202) are controlled.
CN201620519982.XU 2016-06-01 2016-06-01 Lime slaking and compounding device Active CN206109221U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107385202A (en) * 2017-08-08 2017-11-24 新余钢铁股份有限公司 A kind of quick lime feed opening dust arrester and its application method
CN109568774A (en) * 2018-11-02 2019-04-05 四川大学华西医院 It is a kind of for treating the environmentally friendly Interventional drug delivery device of liver cancer
CN116217097A (en) * 2023-04-28 2023-06-06 南京赤博环保科技有限公司 Dry lime slaking device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107385202A (en) * 2017-08-08 2017-11-24 新余钢铁股份有限公司 A kind of quick lime feed opening dust arrester and its application method
CN109568774A (en) * 2018-11-02 2019-04-05 四川大学华西医院 It is a kind of for treating the environmentally friendly Interventional drug delivery device of liver cancer
CN109568774B (en) * 2018-11-02 2020-12-29 四川大学华西医院 A device of dosing is intervene in environmental protection for treating liver cancer
CN116217097A (en) * 2023-04-28 2023-06-06 南京赤博环保科技有限公司 Dry lime slaking device
CN116217097B (en) * 2023-04-28 2023-09-19 南京赤博环保科技有限公司 Dry lime slaking device

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