CN103739214A - Environment-friendly and energy-saving lime kiln - Google Patents
Environment-friendly and energy-saving lime kiln Download PDFInfo
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- CN103739214A CN103739214A CN201410008115.5A CN201410008115A CN103739214A CN 103739214 A CN103739214 A CN 103739214A CN 201410008115 A CN201410008115 A CN 201410008115A CN 103739214 A CN103739214 A CN 103739214A
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- burner hearth
- air inducing
- pipe
- inlet duct
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- 235000008733 Citrus aurantifolia Nutrition 0.000 title abstract description 11
- 235000011941 Tilia x europaea Nutrition 0.000 title abstract description 11
- 239000004571 lime Substances 0.000 title abstract description 11
- 230000001939 inductive effect Effects 0.000 claims abstract description 62
- 239000000463 material Substances 0.000 claims abstract description 44
- 235000019738 Limestone Nutrition 0.000 claims description 27
- 239000006028 limestone Substances 0.000 claims description 27
- 239000004744 fabric Substances 0.000 claims description 24
- 238000003466 welding Methods 0.000 claims description 20
- 238000011068 loading method Methods 0.000 claims description 18
- 239000010881 fly ash Substances 0.000 claims description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000000428 dust Substances 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 8
- 125000006850 spacer group Chemical group 0.000 claims description 6
- 230000004888 barrier function Effects 0.000 claims description 5
- 239000004567 concrete Substances 0.000 claims description 4
- 230000002787 reinforcement Effects 0.000 claims description 4
- 238000010792 warming Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 2
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 2
- 241001330002 Bambuseae Species 0.000 claims description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 2
- 239000011425 bamboo Substances 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 238000005476 soldering Methods 0.000 claims 1
- 239000007858 starting material Substances 0.000 claims 1
- 230000001502 supplementing effect Effects 0.000 claims 1
- 239000002918 waste heat Substances 0.000 abstract description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 238000001354 calcination Methods 0.000 abstract description 2
- 239000003546 flue gas Substances 0.000 abstract description 2
- 239000004071 soot Substances 0.000 abstract description 2
- 239000003245 coal Substances 0.000 description 15
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 12
- 238000002156 mixing Methods 0.000 description 11
- 238000001816 cooling Methods 0.000 description 9
- 239000007789 gas Substances 0.000 description 7
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 5
- 238000013459 approach Methods 0.000 description 5
- 239000011449 brick Substances 0.000 description 5
- 239000012774 insulation material Substances 0.000 description 5
- 238000011049 filling Methods 0.000 description 4
- 238000007689 inspection Methods 0.000 description 4
- 230000006837 decompression Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 238000013517 stratification Methods 0.000 description 2
- 206010016717 Fistula Diseases 0.000 description 1
- 241000287181 Sturnus vulgaris Species 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000011280 coal tar Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003890 fistula Effects 0.000 description 1
- 244000144992 flock Species 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/40—Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills
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- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The invention relates to an environment-friendly and energy-saving lime kiln and relates to an environment-friendly and energy-saving lime kiln with remarkable benefits. The environment-friendly and energy-saving lime kiln which is of a new structure is mainly used for solving the technical problems that in an existing similar lime kiln, the soot is eliminated incompletely, the heat energy of flue gas is not used, and the waste heat is not used, so that the environment-friendly benefits are poor, and the energy is wasted. The kiln is characterized by being arranged in a counter-burning mode, wherein an air inducing port is formed at the lower middle part of a kiln body, the air feeding and inducing of a hearth are implemented by sleeve assembling, an air inducing pipe is arranged in the center of the inside of an air feed pipe, an air feed channel is reserved, induced air flows through an inner pipe, fed air flows through an outer pipe, the air flows reversely, and the waste heat is exchanged. A process that materials enter the kiln and products enter a warehouse is implemented in an all-closed mode, performed under negative pressure, and fully automated. The kiln is used in the aspect of lime calcining.
Description
Technical field
A kind of environment-friendly and energy-efficient of the present invention limestone kiln belongs to lime calcining technology, relates in particular to a kind of limestone kiln of environment-friendly and energy-efficient.
Background technology
Existing limestone kiln structure is very not scientific and reasonable, all takes just burning mode, produces a large amount of flue dust, contaminate environment, wastes energy.In a word, current existing similar limestone kiln thermo-efficiency utilizes low, and working efficiency is not high.
Summary of the invention
A kind of environment-friendly and energy-efficient of the present invention limestone kiln, a kind of novel furnace kiln structure of scientific and reasonable environmental protection and energy saving is provided, its goal of the invention is that the flue gas of not only having eliminated existing similar stove existence enters atmosphere, does not utilize gas energy, contaminate environment, leaks out and strengthened the defect that electric quantity consumption, equipment cooling waste heat do not utilize, and to have realized thermo-efficiency high in the limestone kiln that makes this new texture, working efficiency is such object significantly.
In order to realize the goal of the invention in invention a kind of environment-friendly and energy-efficient limestone kiln, its technical scheme is as follows: this kind of environment-friendly and energy-efficient limestone kiln consists of body of heater, burner hearth, distributor, feeding system, air channel heat-exchange dedusting system etc.Body of heater regulates mouth, thermowell etc. to form by pedestal, inspection window, cooling air..Burner hearth is comprised of high alumina brick, insulation material, air inducing hole, discharge funnel, electric brake bin gate etc.Distributor by lower cloth toroidal frame, center cloth bracket, cloth funnel, barrier plate, stop material loading switch, material loading switch etc. and form.Feeding system is comprised of tremie pipe, Wingdale, coal mixing bunker, coal gauger, limestone metering device, bucket lift sealed shell etc.Air channel heat-exchange dedusting system by air inducing hole seal closure, air inducing be descendingly in charge of, burner hearth air inlet duct, burner hearth air inlet duct outer wall, air port, fistulae, warming layer, water conservancy diversion upper spacer, water conservancy diversion lower clapboard, dust funnel, burner hearth blast inlet, aiutage (chimney) dust-removing desulfurating apparatus pipe connecting etc. form.Shaft is erected on body of heater pedestal, and pedestal is cast into vertical tubbiness enclosure wall with cement, the top cover of simultaneously casting, and the circular hole of certain diameter is stayed at center upward, and shaft is tubbiness, turriform with the susceptor diameter Plate Welding that is as the criterion.The high alumina brick of inlaying apart from nation interval separated by a distance in shaft steel plate at body of heater internal cavity, barrel-shaped, fill with insulation material at interval.The vertical round cavity being built into is burner hearth, and distributor is established on top, and distributor communicates with feeding system, also communicates with burner hearth blast inlet, and distributor and burner hearth are integral, and burner hearth bottom is installed discharge funnel, and also integral with burner hearth, discharging hopper is established electric brake bin gate.Above pedestal, shaft side is established cooling air and is regulated mouth, communicates with bottom in burner hearth.Multiple air inducing hole is established around in position, burner hearth middle and lower part, is interlinked to the outside with body of heater.Feeding system is sealed in bucket feeder in vertical sealed shell, on exceed body of heater, and turned back in this sealed shell upper end to weld with furnace top cover central seal, can make the material of mentioning top naturally drop into distributor, Wingdale, the coal blending bunker of bottom under in depth, other coal gauger and the right gauger of lime installed in storehouse.Outside air inducing hole around shaft spacing at body of heater outer gland sealing, circularize cavity, cite approvingly wind hole seal closure, on the both sides of the lower, planar annular cavity symmetry of seal closure, respectively with air inducing is descending, be in charge of to downward-sloping on one side, and accumulate a pipe, and vertical, welded seal, go up and communicate with air inducing hole, communicate with fly-ash separator seal welding down.On all air inducing pipelines, annular air inducing hole seal closure, surface that fly-ash separator is exposed, stay certain distance, welding burner hearth air inlet duct outer wall, form spatial channel, also in the plane of the burner hearth air inlet duct outer wall above seal closure, steel pipe pastes the symmetrical each welding burner hearth air inlet duct in the vertical both sides of shaft, upper and air port seals, in communicate with air port, form like this that the air inducing of burner hearth through air inducing hole, annular cavity, both sides is descendingly in charge of, manifold trunk, fly-ash separator W passage be to an overall burner hearth air-inducing passage of induced draft fan.Also form from stove stare at blast inlet in fly-ash separator outside surface, manifold trunk sleeve pipe outer tube the space between space in space, descending point of pipe-in-pipe outer tube of air inducing, air inducing hole seal closure surface and furnace chamber air inlet duct outer wall to one of burner hearth air inlet duct ventilation opening overall burner hearth air intake passage.
A kind of environment-friendly and energy-efficient of the present invention limestone kiln is compared and is had following feature with similar limestone kiln, and anti-burning makes soot combustion utilization, do not smolder, and well utilizes waste heat, and level of automation is high, environmental protection and energy saving, and working efficiency is remarkable.
Accompanying drawing is a kind of environment-friendly and energy-efficient limestone kiln vertical profile structural representation,
Below in conjunction with implementation column accompanying drawing, this patent of invention technology is described in detail.A kind of environment-friendly and energy-efficient limestone kiln can apparently find out that from accompanying drawing limestone kiln consists of body of heater 1, burner hearth 2, distributor 3, feeding system 4, air channel heat-exchange dedusting system 5 etc.Body of heater regulates mouth 9, thermowell 10 etc. to form by pedestal 6, furnace top cover 7, inspection window 8, cooling air.Burner hearth 2 is comprised of high alumina brick 11, insulation material 12, air inducing hole 13, discharge funnel 14, electric brake bin gate 15 etc.Distributor 3 by cloth toroidal frame 16, center cloth bracket 17, cloth funnel 18, barrier plate 19, stop material loading switch 20, material loading switch 21 etc. and form.Feeding system 4 is comprised of tremie pipe 22, Wingdale, coal mixing bunker 23, coal gauger 24, limestone metering device 25, bucket lift sealed shell 26 etc.Air channel heat-exchange dedusting system 5 by air inducing hole seal closure 27, air inducing be descendingly in charge of 28, burner hearth air inlet duct 29, burner hearth air inlet duct outer wall 30, air port 31, fistulae 32, warming layer 33, water conservancy diversion upper spacer 34, water conservancy diversion lower clapboard 35, dust funnel 36, furnace chamber blast inlet 37, aiutage (chimney) dust-removing desulfurating apparatus (number of patent application 201010583114.5) pipe connecting 38 etc. form.Body of heater 1 pedestal 6 is built on the earth foundation surface of treated mistake, with reinforced concrete water build up certain diameter, highly, the vertical drum type enclosure wall of thickness, leave a door unlocked, build integrally with top cover, the circular hole of certain diameter is stayed at top cover center upward, opening's edge pre-buried multiple nuts around under hole, in order to fixing discharge funnel 14, discharge funnel is manufactured with steel plate, taper, certain section flare opening is stayed at center, and electric brake bin gate 15 is installed.Pedestal 6 top top covers are laid Plate Steel by peripheral planar, neat with cement pedestal outside, and fixing, a little distance is stayed in steel plate top from outer, the vertical steel plate of using is according to certain radian, around be welded on the plane steel plate of pedestal 6 tops, by bottom splicing polylith, be welded to certain height, be turriform, furnace top cover 7 is welded on the top of shaft, sealing, above furnace top cover 7, central opening and tremie pipe 22 are connected sealing, and in side somewhere, the center of furnace top cover 7, offer to pick up and look into hole 8, add a cover, with bolt, fix, seal.At shaft above body of heater 1 pedestal 6, peripheral side is equidistant below offers multiple cooling airs and regulates mouthfuls 9, establishes the bolt that can regulate and can be fixing.In the vertical one side of shaft, establish from top to bottom multiple thermowells 10, in order to thermometer to be installed, connect with microcomputer, grasp temperature of combustion and microcomputer control in kiln.Below in shaft pedestal 6 above from shaft, stay certain distance to build high alumina brick 11 1 weeks, be barrel-shaped, foot is established cooling air and is regulated mouth 9, and is interlinked to the outside with shaft, build certain height, the middle part of body of heater is on the lower side, stays air inducing hole 13, around shaft, within one week, arranges multiple, divide upper and lower multilayer, burner hearth inner orifice tiltedly down, also, through insulation material, is also interlinked to the outside with shaft.Build height to furnace top cover 7 below certain distances, fill with insulation material between shaft and high alumina brick the below of distributor 3, discharging hopper 14 is fixed on the nut on edge under pedestal 6 top cover holes, discharge funnel 14 steel plates are manufactured, and end opening is installed electric brake bin gate, can indirectly communicate outward with burner hearth.Distributor 3 is positioned at the top of burner hearth 2, distributor toroidal frame 16 is positioned at distributor 3 bottoms, with be welded into the low section in middle high both sides compared with Plate Steel, be " people " font roof truss, end to end circularizing, diameter is manufactured according to furnace chamber 2 diameters, with the material height falling, be unanimously as the criterion, with the below that is lifted on center cloth bracket 17 compared with concrete reinforcement bar, the other side is lifted on the below of cloth funnel 18, center cloth bracket 17 is bamboo hat shape, lower to cloth toroidal frame 16 certain distances, upper with furnace top cover 7 apart from larger, occupy central position, with the below welding that is lifted on furnace top cover 7 compared with concrete reinforcement bar, it is conical that cloth funnel 18 is, large opening's edge be welded on shaft in help, cloth bracket 17 times edges in Xia Yanyu center are neat, and separated by a distance, form annular neutral.For overcoming material, enter the impulse force of distributor 3, at the lower opening's edge handicapping baffle plate 19 of tremie pipe 22, adjust the skew of material, barrier plate 19 can be fixed with bolt.Below furnace top cover 7, partial center position is established and is stopped material loading switch 20, makes material pile with rear and can touch switch, stops material loading.At one side of cloth funnel 18 installation material loading on the lower side switch 21, when weight displacement, spring decompression, touches switch, starts material loading.Feeding system 4 is higher than body of heater 1 and with it, to fix vertical bucket lift steel plate making bucket lift sealed shell 26 by one, makes lift totally-enclosed, and power section is positioned at lift top.Bucket lift sealed shell 26 tops connect tremie pipe 22, lift sealed shell 26 lower ends and ground face seal, Wingdale, the coal mixing bunker 23 of bucket lift part under in depth, coal gauger 24 is positioned at the top of limestone metering device 25, laminate installation, two gaugers are opened on mixing bunker, and two mouthfuls vertical up and down, and the material by metering is entering accumulation deposit that mixing bunker mixes naturally at mixing bunker.Air channel heat-exchange dedusting system 5 is that induced exhaust is put into center in the blast pipe that diameter is larger with internal and external casing composition, and air inducing is walked inner tube, and air intake is walked outer tube, and air intake is also walked the passage between burner hearth air inlet duct outer wall, two wind countercurrent flows.Outside 13 mouthfuls, body of heater 1 air inducing hole, middle and lower part, spacing is at shaft external application Plate Welding air inducing hole seal closure 27, formation is around the annular cavity of shaft sealing, air inducing hole seal closure 27 lower planes, the half symmetric position of annular cavity, each welding is to the steel pipe with downward-sloping on one side, two mouths of pipe are downward and accumulate a diameter compared with big steel pipe, sleeve-assembled, seal welding, vertical, end opening and fly-ash separator seal welding, communicate.Fly-ash separator becomes the seal case of certain length, width, height with Plate Welding, inner upper is equidistant vertical several by case top solder water conservancy diversion upper spacer 34 along the long interval of casing, between bottom and water conservancy diversion upper spacer 34, central position is vertical several by interval, end welding water conservancy diversion lower clapboard 35, upper lower clapboard spatial intersecting, on front and back, lower clapboard is staggered, forms w channel space.Between below water conservancy diversion lower clapboard 35, with Plate Welding, manufacture dust funnel 36, and establish door.Top of fly-ash separator and manifold trunk welded seal, communicate, and fly-ash separator afterbody top lateral opening communicates with induced draft fan.On seal closure 27 surfaces, air inducing hole, stay certain distance, the spatial channel forming between welding burner hearth air inlet duct outer wall 30, the descending airduct 28 sleeve pipe outer tubes of air inducing, manifold trunk sleeve pipe outer tube, certain distance is stayed on outer case of dust remover surface, the passage forming between welding burner hearth air inlet duct outer wall 30, burner hearth air inlet duct outer wall 30 and sleeve pipe outer tube seal welding, in burner hearth air inlet duct outer wall 30 planes that plane is adjacent on air inducing orifice ring shape seal closure 27, with steel pipe, vertically paste the upwards burner hearth blast pipe 29 of seal welding both sides symmetry of shaft, elbow and air port 31 seal weldings of adding suitable for reading, in pipe, communicate with air port 31.Form burner hearth 2 through air inducing hole 13, the air inducing of annular cavity, both sides symmetry is descendingly in charge of 28, manifold trunk, the inner W passage of fly-ash separator and induced draft fan are connected overall burner hearth 2 air-inducing passages, induced draft fan is through pipe connecting 38 and the connection of aiutage (chimney) dust-removing desulfurating apparatus.The chamber seal welding of leaving a blank between the outer wall of these air-inducing passages and burner hearth air inlet duct outer wall 30, forms descending space in 28 sleeve pipe outer tubes, air inducing hole seal closure surface and the stove be in charge of from burner hearth blast inlet 37 space, wind in the space between fly-ash separator surface and burner hearth air inlet duct outer wall 30, manifold trunk sleeve pipe outer tube and stares at burner hearth 2 air intake passages that an entirety that space between air inlet duct outer wall 30 leads to burner hearth air inlet duct 29 ventilation openings 31 communicates.Below air inducing hole seal closure 27 equidistant downwardly facing opening brave connect vertical to subaerial fistulae 32 several, communicate with annular cavity, fistulae 32 end openings are established door.At whole burner hearth air inlet duct outer wall 30, burner hearth air inlet duct 29 exposed surfaces, paste auxiliary warming layer 33.
A kind of environment-friendly and energy-efficient of the present invention limestone kiln is in the process of work operation, electric brake bin gate 15 place's closing conditions, cooling air regulates mouthful 9 Close Alls, start feeding system 4, the simple Wingdale to the interior filling certain diameter of burner hearth 2, filling out only burner hearth 2 middle and upper parts stops, people enters from inspection window 8, shakeout building stones, exit, simple to the interior filling small coal of burner hearth 2 again, after reaching certain thickness, shakeout, simple filling firewood again, after reaching certain thickness, shakeout, simple filled stone lime stone again, same method one deck Wingdale, one deck coal, one deck firewood, each layer of identical certain thickness, stop approaching distributor 3, start induced draft fan, firewood ignites, people withdraws from, sealing inspection window 8, start coal gauger 24, also start limestone metering device 25 simultaneously.The amount of coal-fired calorific value calculation Wingdale, adjust the work output of two gaugers, proportional coal and Wingdale enter mixing bunker, because two gaugers are to work simultaneously, two mouthfuls vertical, be located at one on the other on mixing bunker inwall, the material falling carries out nature mixing in 23 li, Wingdale, coal mixing bunker.After solid accumulation is bought securities with all one's capital, material touches the approach switch that is arranged on top in storehouse, two gaugers are out of service, and when material is about to transport, the decompression of material shift spring touches approach switch, two gaugers bring into operation, once stove moves closing down of automatic self-control coal gauger and limestone metering device.Treating that stove is stared at is preheating to certain temperature, open feeder, material is mentioned lift top, naturally falls into tremie pipe 22, and material is subject to the collision of barrier plate 19, leave more uniformly above center cloth bracket 17 and the obstruction of cloth funnel 18, be subject to again the dispersion of cloth toroidal frame 16, then shunting falls, straight only distributor 3 is filled full, material touches and stops material loading switch 20, stops material loading.Distributor 3 not only has the function of temporarily depositing material goods kept in stock outside account, tackle in time the materials amount of stove at any time, also have material not because the size of grain, the difference of proportion flock together, avoid temperature partially partially to burn, and make material absorb in time the waste heat coming from intake stack generation.When the descending material shift spring decompression of material touches approach switch, automatically start bucket feeder.Treat that stove operation pointwise enters normally, the Wingdale of burner hearth 2 interior fillings is exited gradually by electric brake bin gate, wait finished product lime to be about to come out of the stove, open cooling air and regulate mouth 9, vary with temperature, observe microcomputer and grasp burner hearth 2 temperature, regulate mouthful 9 air doors to be fixed on certain position cooling air.15 interruptions of electric brake material draw off finished product lime.In stove, burning use gas enters from air inducing pipeline end burner hearth blast inlet 37, the whole air-inducing passage hot surface of approach carries out preheating, originally the heat that will drain is regained to burner hearth 2 and carry out material preheating, heat and accelerate the thermal response in burner hearth 2, cigarette, carbon monoxide, the burning of coal tar wet goods pollutent utilize, and turn bane into boon.Burner hearth blast inlet 37 is installed gas blower if desired, reduce induced draft fan power, remain the micro-negative pressure operation of stove, gas blower carries out microcomputer control, can intermittent operation, stove enters after normal operation, only guarantees that furnace gauge measuring device and limestone metering device do not want fracture, microcomputer has people to monitor, and carries out automatization completely.Enter, air inducing carries out sleeve pipe assembling, countercurrent flow exchange waste heat, UTILIZATION OF VESIDUAL HEAT IN is complete.Finished product is sent in the lime silo of sealing and is stored by hermetic hauler from electric brake bin gate 15 draws off.From material inlet to finished product, putting in storage like this, it is totally-enclosed to carry out.The dust sub-fraction of taking out of from air inducing hole 13 drops in the annular cavity of air inducing hole for clearance, major part enters fly-ash separator W passage and is subject to stopping of 34 obstructions of water conservancy diversion upper spacer and water conservancy diversion lower clapboard 35, it is return to there are 180 degree in off-gas flows, dust drops in dust funnel 36 in the effect drop of gravity and centrifugal force, for clearance, through repeatedly carrying out several times, waste gas enters aiutage (chimney) dust-removing desulfurating apparatus through rubbing with liming, be stained with and catch dust, sulfur dioxide gas and liming carry out neutralization reaction, after dust-removal and desulfurizing, enter atmosphere, eliminate the pollution of dust and sulfurous gas.Approach switch that coal gauger 24 and limestone metering device 25 are installed, stop material loading switch 20, material loading switch 21, electric brake bin gate 15 and other transfer roller, blower fan all with microcomputer UNICOM, the differing temps of each section of reflection of shaft all with microcomputer UNICOM, carry out the monitoring of distinct program control and carry out automatization completely.After stove operation at set intervals, open 32 mouthfuls of fistulaes, remove the dust stratification of 36 li, the dust stratification that is deposited in seal closure 27 annular chambers of air inducing hole and fly-ash separator dust funnel.
A kind of environment-friendly and energy-efficient of the present invention limestone kiln diameter is changeable, and can erect multiple independent stoves in a place, the difference in large and little just output, and inside and outside bilge construction is identical.
Claims (3)
1. body of heater is contained in a kind of environment-friendly and energy-efficient of the present invention limestone kiln, burner hearth, lift, gauger, draw, gas blower, electric brake bin gate, it is characterized in that also containing distributor, air channel heat-exchange dedusting system, distributor is positioned at burner hearth top, be fixed on inboard wall of furnace body, up and down material pipe communicates, radical communicates with blast inlet, communicate with burner hearth chamber down, be deposited in the supplementing to burner hearth of material balance of distributor, the air inducing hole of air channel heat-exchange dedusting system is positioned at position, body of heater middle and lower part, several air inducing holes of periphery multilayer, sealed by air inducing hole seal closure, below the seal closure of air inducing hole, connect air inducing down pipe, manifold trunk, fly-ash separator W passage communicates with induced draft fan, dust-removing desulfurating apparatus is connected in induced draft fan outlet, air inducing is walked sleeve pipe inner tube, air intake is walked sleeve pipe outer tube, burner hearth blast inlet enters and communicates with side, body of heater top.
2. a kind of environment-friendly and energy-efficient as claimed in claim 1 limestone kiln is characterized in that distributor is by lower cloth toroidal frame, center cloth bracket, cloth funnel, barrier plate, stop material loading switch, the compositions such as material loading switch, distributor toroidal frame is positioned at burner hearth inner top, with be welded into low section " people " the font roof truss in middle high both sides compared with Plate Steel, within end to end one week, circularize, diameter is determined according to furnace diameter, with the below that is lifted on center cloth bracket compared with concrete reinforcement bar, center cloth bracket is pointed cone bamboo hat shape, the annular cloth bracket certain distance of lower distance, go up and furnace top cover certain distance, with the below that is lifted on furnace top cover compared with concrete reinforcement bar, be welded and fixed, cloth funnel is pointed cone circle, large mouthful upper along with shaft in nation be welded and fixed, after material piles with, can touch and stop material loading switch, stop material loading, at one side of cloth funnel installation material loading on the lower side switch, when material displacement, spring touches switch, start material loading.
3. a kind of environment-friendly and energy-efficient as claimed in claim 1 limestone kiln, is characterized in that air channel heat-exchange dedusting system is by air inducing hole, air inducing hole seal closure, air inducing is descending to be in charge of, manifold trunk, burner hearth air inlet duct, burner hearth air inlet duct outer wall, air port, fistulae, warming layer, water conservancy diversion upper spacer, water conservancy diversion lower clapboard, dust funnel, burner hearth blast inlet, the compositions such as aiutage (chimney) dust-removing desulfurating apparatus pipe connecting, air channel heat-exchange dedusting system is to form with sleeve pipe, induced exhaust is put in the middle of blast pipe, burner hearth air inducing is walked inner tube, burner hearth air intake is walked outer tube, and countercurrent flow, in the place's spacing of air inducing aperture, shaft middle and lower part, shaft external application Plate Welding air inducing hole seal closure, formation is around the annular cavity of shaft sealing, air inducing hole seal closure lower plane, the half position symmetry of circular cowling, each welding is with downward-sloping on one side steel pipe, two pipe lower nozzles accumulate a larger-diameter steel pipe, vertical, seal welding, end opening communicates with fly-ash separator seal welding, at air inducing hole seal closure, air inducing is descending to be in charge of, manifold trunk, outer case of dust remover surface stays certain distance soldering furnace to stare at air inlet duct outer wall, form spatial channel, also on the seal closure of air inducing hole, in adjacent burner hearth air inlet duct outer wall plane, with steel pipe, paste shaft upwards, vertically, symmetrical each seal welding burner hearth air inlet duct is managed on both sides two, elbow and the air port seal welding of adding suitable for reading, communicates with air port in pipe, forms burner hearth through air inducing hole, annular cavity, descending being in charge of of air inducing of both sides symmetry, manifold trunk, the overall burner hearth air-inducing passage that the W passage of fly-ash separator inside communicates with blower fan, induced draft fan is connected through pipe connecting and aiutage (chimney) dust-removing desulfurating apparatus, the space sealing welding forming between the outside surface of these air-inducing passages and burner hearth air inlet duct outer wall, forms the space between fly-ash separator surface and burner hearth air inlet duct outer wall from burner hearth blast inlet, space in manifold trunk sleeve pipe outer tube, space in air inducing down pipe sleeve pipe outer tube, the logical burner hearth air inlet duct burner hearth air intake passage that an entirety of ventilation opening communicates again in space between seal closure surface, air inducing hole and furnace chamber air inlet duct outer wall.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410008115.5A CN103739214B (en) | 2014-01-08 | 2014-01-08 | A kind of environment-friendly and energy-efficient limestone kiln |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410008115.5A CN103739214B (en) | 2014-01-08 | 2014-01-08 | A kind of environment-friendly and energy-efficient limestone kiln |
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| CN103739214A true CN103739214A (en) | 2014-04-23 |
| CN103739214B CN103739214B (en) | 2015-08-19 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104726116A (en) * | 2015-04-01 | 2015-06-24 | 曲靖众一精细化工股份有限公司 | Small-particle four-section moving bed dry distillation furnace with hydrogen-enriched environment and dry distillation method of small-particle four-section moving bed dry distillation furnace |
| CN112410045A (en) * | 2020-11-06 | 2021-02-26 | 铜陵泰富特种材料有限公司 | Method and device for recovering waste heat of coke powder generated by primary dust removal of dry quenching |
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| US5902103A (en) * | 1995-12-29 | 1999-05-11 | Kokusai Electric Co., Ltd. | Vertical furnace of a semiconductor manufacturing apparatus and a boat cover thereof |
| CN2562152Y (en) * | 2002-04-19 | 2003-07-23 | 潘志成 | Lime kiln |
| CN2667436Y (en) * | 2003-11-10 | 2004-12-29 | 藏振川 | Residual heat recovery smelting furnace |
| CN101195520A (en) * | 2007-12-19 | 2008-06-11 | 黄官禹 | Vertical continuous calcination lime burner |
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| EP0185879A2 (en) * | 1984-11-29 | 1986-07-02 | VARTA Batterie Aktiengesellschaft | Shaft furnace for the treatment of waste lead and battery scrap with a post-combustion installation for the exhaust gases |
| US5902103A (en) * | 1995-12-29 | 1999-05-11 | Kokusai Electric Co., Ltd. | Vertical furnace of a semiconductor manufacturing apparatus and a boat cover thereof |
| CN2562152Y (en) * | 2002-04-19 | 2003-07-23 | 潘志成 | Lime kiln |
| CN2667436Y (en) * | 2003-11-10 | 2004-12-29 | 藏振川 | Residual heat recovery smelting furnace |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104726116A (en) * | 2015-04-01 | 2015-06-24 | 曲靖众一精细化工股份有限公司 | Small-particle four-section moving bed dry distillation furnace with hydrogen-enriched environment and dry distillation method of small-particle four-section moving bed dry distillation furnace |
| CN104726116B (en) * | 2015-04-01 | 2018-01-30 | 曲靖众一精细化工股份有限公司 | A kind of four sections of moving bed environment rich gas retorts of little particle and its method for destructive distillation |
| CN112410045A (en) * | 2020-11-06 | 2021-02-26 | 铜陵泰富特种材料有限公司 | Method and device for recovering waste heat of coke powder generated by primary dust removal of dry quenching |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103739214B (en) | 2015-08-19 |
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