CN105783505A - Bag filter-type manganese processing rotary kiln system with highly demountable induced draft fan - Google Patents
Bag filter-type manganese processing rotary kiln system with highly demountable induced draft fan Download PDFInfo
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- CN105783505A CN105783505A CN201610123127.1A CN201610123127A CN105783505A CN 105783505 A CN105783505 A CN 105783505A CN 201610123127 A CN201610123127 A CN 201610123127A CN 105783505 A CN105783505 A CN 105783505A
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- impeller
- air
- rotary kiln
- clip
- fan
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- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 229910052748 manganese Inorganic materials 0.000 title claims abstract description 16
- 239000011572 manganese Substances 0.000 title claims abstract description 16
- 238000012545 processing Methods 0.000 title abstract description 14
- 239000000428 dust Substances 0.000 claims abstract description 45
- 238000005086 pumping Methods 0.000 claims abstract description 6
- 230000008878 coupling Effects 0.000 claims description 23
- 238000010168 coupling process Methods 0.000 claims description 23
- 238000005859 coupling reaction Methods 0.000 claims description 23
- 238000012856 packing Methods 0.000 claims description 13
- WIKSRXFQIZQFEH-UHFFFAOYSA-N [Cu].[Pb] Chemical compound [Cu].[Pb] WIKSRXFQIZQFEH-UHFFFAOYSA-N 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 11
- 239000003034 coal gas Substances 0.000 claims description 11
- 229910052802 copper Inorganic materials 0.000 claims description 11
- 239000010949 copper Substances 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 11
- 239000002131 composite material Substances 0.000 claims description 10
- 238000005276 aerator Methods 0.000 claims description 7
- 210000003437 trachea Anatomy 0.000 claims description 7
- 229910000978 Pb alloy Inorganic materials 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 5
- 230000009471 action Effects 0.000 abstract description 3
- 230000005855 radiation Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 27
- 238000006243 chemical reaction Methods 0.000 description 16
- 239000007789 gas Substances 0.000 description 13
- 238000009413 insulation Methods 0.000 description 9
- 239000007788 liquid Substances 0.000 description 9
- 238000013461 design Methods 0.000 description 7
- 239000000203 mixture Substances 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 229910001229 Pot metal Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 239000002905 metal composite material Substances 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 241001347978 Major minor Species 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 2
- 239000000306 component Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000008358 core component Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 210000005069 ears Anatomy 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 235000013599 spices Nutrition 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/10—Rotary-drum furnaces, i.e. horizontal or slightly inclined internally heated, e.g. by means of passages in the wall
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/08—Centrifugal pumps
- F04D17/16—Centrifugal pumps for displacing without appreciable compression
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/053—Shafts
- F04D29/054—Arrangements for joining or assembling shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/263—Rotors specially for elastic fluids mounting fan or blower rotors on shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/30—Vanes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/34—Arrangements of heating devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/38—Arrangements of cooling devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/001—Extraction of waste gases, collection of fumes and hoods used therefor
Abstract
The invention discloses a bag filter-type manganese processing rotary kiln system with a highly demountable induced draft fan. The bag filter-type manganese processing rotary kiln system adopts the structure that an air-lock valve used for feeding is arranged at the high end of a rotary kiln; the high end of the rotary kiln is connected with a cyclone dust extractor, an induced draft fan and a bag-type dust remover via a fin section and air pipes; fins are arranged in the fin section; a hood cylinder is arranged outside the fin section; a sleeve-type air heat exchanger is arranged outside an air pipe; the hood cylinder is communicated with a lower pumping hole in the air heat exchanger, and then divided into two paths for supplying preheated air; and the blades of the impeller of the induced draft fan are arranged in a radiation shaped and are in radial and central symmetry with respect to an impeller shaft, so that dust can be cleaned promptly via centrifugal force, and safety accidents can be avoided. The bag filter-type manganese processing rotary kiln system not only is high in heat efficiency, but also has the advantages that the demounting technology of the induced draft fan is greatly improved; pressure of a nut-like component on a shaft shoulder end surface of a screw can be eliminated simply during demounting, the problem that a threaded assembly of the induced draft fan is automatically screwed continuously under the action of a load to be difficult to demount can be solved effectively; the suitability for convenient demounting of a large-scale induced draft fan after thread screwing is high; and the effect is remarkable.
Description
Technical field
The present invention relates to a kind of manganese processing rotary kiln system, referring specifically to air-introduced machine will not laying dust and be easy to the bag-type dust formula manganese processing rotary kiln system disassembled.
Background technology
Rotary kiln due to adaptable, operating cost is low, highly reliable, be one of mineral dispensing, balling-up, reaction and dry main preferred unit, be particularly well-suited to the processing calcination of manganese ore.Rotary kiln need to consume fuel to keep the high temperature being suitable in kiln in work process, thus containing a large amount of heat energy and dust in the tail gas of rotary kiln discharge, it is necessary to carry out tail gas purifying and tail heat recovery operation, it is achieved energy-saving and emission-reduction.
Rotary kiln is generally cylindrical cross section, thus material is only small with the heat transfer area of kiln body, causes that the thermal efficiency is not high.
Blower fan is the key equipment that rotary kiln carries out dedusting and recuperation of heat; blower fan is generally centrifugal blower; blower fan continuous, stable, reliably working is very crucial to the dedusting of rotary kiln; the occasion used due to rotary kiln all contains certain dust mostly; during blower fan work; due to centrifugation when air-flow is by the draught fan impeller of high speed rotating, dust granule can depart from air-flow phase and deposit and be attached on draught fan impeller.
Draught fan impeller rotating speed is general all higher, as long as air-flow there being trace dust exist, more dust all can be accumulated after working long hours, thus changing the balance that draught fan impeller rotates, if dust is not had self purification also without timely cleaning by draught fan impeller, will cumulative and progressively change static state and the dynamic equilibrium of draught fan impeller, thus producing vibration.Having the dust that hardens of part to be vibrated to come off, will balance away from the dynamic rotary of air-introduced machine immediately, then produce judder once run into, this may cause serious personnel and equipment security incident.
On the other hand, it is draught fan impeller that the structure of common blower fan is typically all fan shaft one end, and the other end is motor power input, is often shaft coupling.Owing to blower fan is typically all long-time operation continuously, so bearing is fragile, change bearing and generally need to first dismantle the shaft coupling of draught fan impeller and the other end, but the assembling of existing fan shaft and draught fan impeller, shaft coupling belongs to typical axle, hole interference fit, and carry out carrying transmission by key.The usual requirement on machining accuracy of interference fit is higher, and associative key connection realizes torque bearing function, and assembling generally all needs to load very big extruding force, without professional equipment and instrument, dismounts all very inconvenient.
Threaded have that processing is simple, it is convenient to assemble, also there is unidirectional carrying torque functions, therefore, if threaded at fan shaft with the connection in hole can adopt and realize transmission simultaneously, so as to assembly or disassembly is all comparatively convenient, then possess higher practical value and market application foreground.Coordinate in motion thread assembling at actual axle with hole, in order to be able to realize big bearing function demand, thread spindle is all relatively big with the scantling of the similar nut member matched, and it is often all also very easily convenient to screw in when assembling, and in use can realize the constantly locking automatically of bearing capacity, thus it is very reliable, but when dismounting, assembling is very tight often, dismantles very difficult, if simple easy removal can be realized under these conditions, it appears particularly important.
Therefore, if a kind of manganese processing rotary kiln system can be designed so that it is blower fan can not only clear up dust automatically, and dismantle and maintenance is all very convenient, for promoting the technological progress of manganese processing rotary kiln system and stopping security incident all there is the meaning of particular importance.
Summary of the invention
The technical problem to be solved in the present invention overcomes the deficiencies in the prior art exactly, it is provided that a kind of blower fan can not only clear up dust automatically, and dismantles and overhaul the bag-type dust formula manganese processing rotary kiln system that air-introduced machine all very easily is easy to disassemble.
For overcoming the deficiencies in the prior art, the present invention takes techniques below scheme:
A kind of air-introduced machine is easy to the bag-type dust formula manganese processing rotary kiln system disassembled, including rotary kiln, it is characterised in that: rotary kiln is in tilted layout, built-in combustion device, and burner connects air shut-off valve and control valve for coal gas；Rotary kiln is high-end is provided with wind stopping device charging, and connects cyclone dust extractor through fin section, trachea, and cyclone dust extractor connects air-introduced machine, and the air vent of air-introduced machine connects sack cleaner, and cyclone dust extractor is connected below wind stopping device, and wind stopping device is connected with the bucket that gathers dust；It is provided with fin in fin section, fin section is provided externally with cover cylinder, trachea is provided externally with double-pipe air heat exchanger, cover cylinder and air heat exchanger lower pumping mouth divide the air after two-way supply preheating through pipeline after converging, one tunnel connects control valve for coal gas through aerator, gas stove, and another road connects air shut-off valve through aerator；The refractory slab of projection it is provided with in rotary kiln；Described air-introduced machine includes draught fan impeller, bearing, fan shaft and shaft coupling, shaft coupling and fan shaft and draught fan impeller and fan shaft all adopts Screw assembly, and thread rotary orientation is the direction with work with carrying auto lock；The similar nut of draught fan impeller is by threadeding with fan shaft and impeller plain washer, copper-lead being reversed composite pad and compressed, and draught fan impeller and fan shaft one end form screw thread and be rigidly connected；Clip part is inserted in the fan shaft other end, then shaft coupling plain washer is inserted in fan shaft, is then threaded into the shaft coupling of similar nut more rationally all locking, makes the clip part shaft coupling with similar nut also constitute with the fan shaft other end and is rigidly connected；It is the copper packing that punch process becomes that described copper-lead reverses composite pad, is with fin outside it, then at copper packing both sides compound fusible lead alloy packing ring；Described clip part is made up of clip, clip ear, clip pad and bolt, clip cross section is wedge shape, formed opening structure by two semicircular ring card hoop bodies, clip pad opens elliptical aperture to strengthen axial elasticity, clip pad two ends are planar structure, being easy to coordinate with shaft shoulder plane, clip uses bolt through the hole on clip ear, is assemblied on clip pad and is integrally forming.
Described draught fan impeller includes impeller backboard, impeller panel, primary blades and auxiliary blade, and primary blades is flat panel contours and is arranged to impeller Axial and radial, centrosymmetric emitting shape；Primary blades connects impeller panel and is welded into impeller bodies with impeller backboard；Impeller panel is provided with air inlet, and impeller backboard connects into firm one by welding with blower fan axle bed with primary blades inner edge, and blower fan axle bed is connected by axis hole and fan shaft；Blower fan auxiliary blade and impeller panel, backboard, primary blades all constitute three-legged structure.
The low side of described rotary kiln connects insulation reaction bucket, and insulation reaction bucket connects chilling liquid pool, is provided with out material strip in chilling liquid pool, goes out material strip roller of being commissioned and supports.
The refractory slab of described projection is trapezoidal or rectangle or triangle.
Rotary kiln is the core component of system, and general structure is all fixing refractory insulating layer in steel cylinder, in the design by protruding refractory slab can continuously, interruption, length, the multiple combination form such as uniform constitute firmly refractory material entirety in steel cylinder.
Arranging burner in rotary kiln, burner connects air shut-off valve and control valve for coal gas, and gas stove produces coal gas, is added in burner by Valve controlling, ejection burning after mixing air.
Mineral powder can pelletize after spice, enter rotary kiln by wind stopping device, combustion gas is move from left to right in rotary kiln, and move from right to left composition countercurrent flow with material, it is achieved high-temperature process.
Rotary kiln has suitable inclination angle, control certain rotating speed rotate, material can realize controlled by high-end to low end motion, simultaneously completing operation, protruding refractory slab can grasp material, promotes material turning, it is greatly increased flame heating surface (area) (HS simultaneously, is conducive to being rapidly achieved reaction temperature, improve efficiency.
Export to low side after spherical material pyroreaction, enter insulation reaction bucket, proceed residual heat high-temperature subsequent reactions, chilling liquid pool is provided with out material strip, chilling pond can be reactant liquor, ball material is carried out cooling rapidly and reaction, enter chilling liquid pool by controlling material strip motion from the output of insulation reaction bottom of the barrel, carrying roller can be effectively improved out the bearing capacity of material strip, and just under entering, solidliquid mixture output in pond can be walked treatment process.
Tail gas connects cyclone dust extractor by the output of rotary kiln right-hand member, it is achieved first time dedusting；The central canal output dedusting gas of cyclone dust extractor connects air-introduced machine, and air-introduced machine outlet connects sack cleaner, it is achieved second time dedusting.Tail recuperation of heat first paragraph is fin section, it is sleeve pipe air heat exchanger that second step reclaims, after cover cylinder and air heat exchanger lower pumping mouth converge, the air after two-way supply preheating is divided through pipeline, one tunnel coal supply steam stove, valve of separately leading up to, for burner, discharges after tail gas removing dust and recuperation of heat, it is achieved energy-saving and emission-reduction.
When the draught fan impeller of the present invention uses, owing to the major-minor sharf radial center of blower fan is symmetrical, blade is when high speed rotating, blade surface has powerful eccentric surfaces self purification under powerful centrifugal action, dust cannot adhere to and can realize Quick spin separation, without influence on dynamic, the static equilibrium of impeller, it is suitable for big flow, laying dust air-flow high-power, anti-conveying.The Axial and radial centrosymmetric structure that impeller panel, backboard, primary blades, auxiliary blade are all triangle, make its blower fan backboard connected and the anti-relative torsion of panel, extruding rigidity extremely strong, blower fan primary blades can be stopped completely and connect the fatigue fracture that backboard root causes because of carrying Moment, also higher intensity can be obtained by relatively thin board making, ensure to stablize, reliably use, the Impeller Design of this spline structure is particularly suitable for thin plate and makes, it is easy to save material, is conducive to light and handyization of equipment.
When air-introduced machine need to be dismantled and overhaul, the copper-lead utilizing innovative design reverses composite pad, clip part, pass through operation readiness, simply eliminating the similar nut member pressure to screw shaft shoulder end face, at this moment nut and screw part are in unloading vacant state, take apart and become equally simple and convenient with Screw assembly, for solving Screw assembly continuous auto lock under load effect, not easily detachable technical barrier, in large fan shaft components screw-threaded coupling field, such function is particularly important.
When draught fan impeller needs dismounting but is very difficult, the copper packing that copper-lead is reversed in the middle of Composition spacer by oxy arc is adopted to carry out oxy arc heat treated, owing to the conductivity of heat of copper is fabulous, and the fusing point of metal is relatively low, after heating, metal is heated melting, the compression tensile force of draught fan impeller and shaft shoulder step is completely eliminated, and makes draught fan impeller be in vacant state completely, is especially susceptible to dismounting.
When the joint member of similar nut needs dismounting but is very difficult, with spanner, bolt is pulled down, two semicircular ring card hoop bodies of cause are quick is wedge shape to opening structure and clip body section, can connect to close up from two clip ears with the flat instrument in one end and easily pry open, clip easy removal is got off, clip pad returns to relaxed state, the tensile force after the locking of joint member and shaft shoulder end face is made to be completely eliminated, the joint member making similar nut is in vacant state completely, is especially susceptible to dismounting.
Compared with prior art, beneficial effects of the present invention also resides in the dismounting technology of the air-introduced machine that significantly taken on a new look, can effectively solve air-introduced machine Screw assembly continuous not easily detachable problem of auto lock under load effect, it is particularly suitable for the convenient dismounting after large fan screw-threaded coupling, effect is especially pronounced, be mainly reflected in following some:
1, not changing the feature of Screw assembly, only need to add Pot metal composite pad, clip pad and clip, low being also especially susceptible to of cost realizes；2, Pot metal composite pad, clip pad can play good Stress decomposition effect, effectively strengthen the bearing capacity of structure, and elliptical aperture opened by clip pad can effectively strengthen clip pad axial elasticity；3, the Assembly And Disassembly of the design of Pot metal composite pad hot melt and clip is used very cleverly, realize the tensioning of axial accessory and lax function, the effectively quick tensile force eliminating the locking of similar nut, it is achieved the assembly rapid and convenient dismounting of similar nut member Screw assembly tight especially；4, clip pad and the wedged dress distribution structure of clip are easy to repeatedly quick assembly and disassembly use.
Accompanying drawing explanation
Fig. 1 is the planar structure schematic diagram of the present invention
Fig. 2 is the perspective view of axes of blower system.
Fig. 3 is the planar structure schematic diagram of axes of blower system.
Fig. 4 is the perspective view of draught fan impeller.
Fig. 5 is the cross-sectional view of draught fan impeller.
Fig. 6 is the structural representation that copper-lead reverses composite pad.
Fig. 7 is the assembling structural representation of clip part.
Fig. 8 is the fractionation structural representation of clip part.
Fig. 9 is the structural representation of clip pad.
Figure 10 is the cross section structure schematic diagram of rotary kiln.
In figure, each label represents:
A, air-introduced machine；1, rotary kiln；2, insulation reaction bucket；3, material strip is gone out；4, chilling liquid pool；5, protruding refractory slab (trapezoidal)；6, burner；7, flame；8, cyclone dust extractor；9, airduct；10, sack cleaner；11, wind stopping device；12, gas stove；13, aerator；14, fin；15, fin section；16, cover cylinder, 17, trachea；18, double-pipe air heat exchanger；19, air shut-off valve；20, control valve for coal gas；21, spherical material；22, carrying roller；23, gather dust bucket；31, primary blades；32, auxiliary blade；33, impeller air inlet；34, blower fan axle bed；36, axis hole；37, impeller backboard；38, impeller panel；41, draught fan impeller；42, impeller plain washer；43, copper-lead reverses composite pad；44, bearing；45, fan shaft；46, clip part；47, shaft coupling plain washer；48, shaft coupling；51, copper packing and fin；52, fusible lead alloy packing ring；61, clip；62, clip ear；63, clip pad；64, slotted eye；65, bolt.
Detailed description of the invention
In conjunction with accompanying drawing, the present invention is further elaborated with.
As shown in Figure 1, Figure 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, air-introduced machine shown in Fig. 8, Fig. 9 and Figure 10 are easy to the bag-type dust formula manganese processing rotary kiln system disassembled, including rotary kiln 1, rotary kiln 1 is in tilted layout, built-in combustion device 6, and burner 6 connects air shut-off valve 19 and control valve for coal gas 20；Rotary kiln is high-end is provided with wind stopping device 11 charging, and connecting cyclone dust extractor 8 through fin section 15, trachea 17, cyclone dust extractor 8 connects the air vent of air-introduced machine A, air-introduced machine A and connects sack cleaner 10, cyclone dust extractor 8 is connected below wind stopping device, and wind stopping device is connected with the bucket 23 that gathers dust；Fin 14 it is provided with in fin section 15, fin section 15 is provided externally with cover cylinder 16, trachea 17 is provided externally with double-pipe air heat exchanger 18, cover cylinder 16 and air heat exchanger 18 lower pumping mouth divide the air after two-way supply preheating through pipeline after converging, one tunnel connects control valve for coal gas 20 through aerator, gas stove 12, and another road connects air shut-off valve 19 through aerator；The refractory slab 5 of projection it is provided with in rotary kiln 1；Described air-introduced machine A includes draught fan impeller 41, bearing 44, fan shaft 45 and shaft coupling 48, and shaft coupling 48 all adopts Screw assembly with fan shaft 45 and draught fan impeller 41 with fan shaft 45, and thread rotary orientation is the direction with work with carrying auto lock；The similar nut of draught fan impeller 41 is by threadeding with fan shaft 45 and impeller plain washer 42, copper-lead being reversed composite pad 43 and compressed, and draught fan impeller 41 and fan shaft 45 one end form screw thread and be rigidly connected；Clip part 46 is inserted in fan shaft 45 other end, again shaft coupling plain washer 47 is inserted in fan shaft 45, it is then threaded into the shaft coupling 48 of similar nut more rationally all locking, makes the clip part 46 shaft coupling 48 with similar nut also constitute with fan shaft 45 other end and be rigidly connected；Described copper-lead reverses the copper packing that composite pad 43 becomes for punch process, is with fin 51 outside it, then at copper packing both sides compound fusible lead alloy packing ring 52；Described clip part 46 is made up of clip 61, clip ear 62, clip pad 63 and bolt 65, clip 61 cross section is wedge shape, formed opening structure by two semicircular ring card hoop bodies, clip pad 63 opens elliptical aperture 64 to strengthen axial elasticity, clip pad 63 two ends are planar structure, being easy to coordinate with shaft shoulder plane, clip uses bolt 65 through the hole on clip ear 62, is assemblied on clip pad 63 and is integrally forming.
Described draught fan impeller 41 includes impeller backboard 37, impeller panel 38, primary blades 31 and auxiliary blade 32, and primary blades 31 is for flat panel contours and is arranged to impeller Axial and radial, centrosymmetric emitting shape；Primary blades 31 connects impeller panel 38 and is welded into impeller bodies with impeller backboard 37；Impeller panel 38 is provided with air inlet 33, and impeller backboard 37 connects into firm one by welding with fan shaft 45 with primary blades 31 inner edge, and blower fan axle bed 34 is connected by axis hole 36 and fan shaft 45；Blower fan auxiliary blade 32 and impeller panel 38, backboard 37, primary blades 31 all constitute three-legged structure.
The low side of described rotary kiln 1 connects insulation reaction bucket 2, and insulation reaction bucket 2 connects chilling liquid pool 4, is provided with out material strip 3 in chilling liquid pool 4, goes out material strip 3 and is supported by carrying roller 22.
The refractory slab of described projection is trapezoidal or rectangle or triangle.
Rotary kiln 1 is the core component of system, and general structure is all fixing refractory insulating layer in steel cylinder, in the design by protruding refractory slab 5 can continuously, interruption, length, the multiple combination form such as uniform constitute firmly refractory material entirety in steel cylinder.
Arranging burner 6 in rotary kiln, burner 6 connects air shut-off valve 19 and control valve for coal gas 20, and gas stove 12 produces coal gas, controls to be added in burner 6 by valve 20, ejection burning after mixing air.
Mineral powder can pelletize after spice, enter rotary kiln 1 by wind stopping device 11, combustion gas is move from left to right in rotary kiln 1, and move from right to left composition countercurrent flow with material, it is achieved high-temperature process.
Rotary kiln 1 has suitable inclination angle, control certain rotating speed rotate, material can realize controlled by high-end to low end motion, simultaneously completing operation, protruding refractory slab 5 can grasp material, promotes material turning, it is greatly increased flame heating surface (area) (HS simultaneously, is conducive to being rapidly achieved reaction temperature, improve efficiency.
Export to low side after spherical material 21 pyroreaction, enter insulation reaction bucket 2, proceed residual heat high-temperature subsequent reactions, chilling liquid pool 4 is provided with out material strip 3, chilling pond 4 can be reactant liquor, ball material 21 is carried out cooling rapidly and reaction, enter chilling liquid pool by controlling material strip 3 output bottom insulation reaction bucket 2 of moving, carrying roller 22 can be effectively improved out the bearing capacity of material strip 3, and just under entering, solidliquid mixture output in pond can be walked treatment process.
Tail gas connects cyclone dust extractor 8 by the output of rotary kiln right-hand member, it is achieved first time dedusting；The central canal output dedusting gas of cyclone dust extractor connects air-introduced machine A, air-introduced machine A outlet and connects sack cleaner 10, it is achieved second time dedusting.Tail recuperation of heat first paragraph is fin section 15, it is sleeve pipe air heat exchanger 18 that second step reclaims, after cover cylinder 16 and air heat exchanger 18 lower pumping mouth converge, the air after two-way supply preheating is divided through pipeline, one tunnel coal supply steam stove 12, valve 19 of separately leading up to, for burner 6, discharges after tail gas removing dust and recuperation of heat, it is achieved energy-saving and emission-reduction.
When the draught fan impeller of the present invention uses, owing to the major-minor sharf radial center of blower fan is symmetrical, blade is when high speed rotating, blade surface has powerful eccentric surfaces self purification under powerful centrifugal action, dust cannot adhere to and can realize Quick spin separation, without influence on dynamic, the static equilibrium of impeller, it is suitable for big flow, laying dust air-flow high-power, anti-conveying.The Axial and radial centrosymmetric structure that impeller panel 38, backboard 37, primary blades 31, auxiliary blade 32 are all triangle, make its blower fan backboard connected and the anti-relative torsion of panel, extruding rigidity extremely strong, blower fan primary blades can be stopped completely and connect the fatigue fracture that backboard root causes because of carrying Moment, also higher intensity can be obtained by relatively thin board making, ensure to stablize, reliably use, the Impeller Design of this spline structure is particularly suitable for thin plate and makes, it is easy to save material, is conducive to light and handyization of equipment.
When air-introduced machine A need to dismantle and overhaul, the copper-lead utilizing innovative design reverses composite pad 43, clip part 46, pass through operation readiness, can simply eliminate the similar nut member pressure to screw shaft shoulder end face, at this moment nut and screw part are in unloading vacant state, take apart and become equally simple and convenient with Screw assembly, for solving Screw assembly continuous auto lock under load effect, not easily detachable technical barrier, in large fan shaft components screw-threaded coupling field, such function is particularly important.
When draught fan impeller 41 needs dismounting but is very difficult, the copper packing that copper-lead is reversed in the middle of Composition spacer by oxy arc is adopted to carry out oxy arc heat treated, owing to the conductivity of heat of copper is fabulous, and the fusing point of metal is relatively low, after heating, metal is heated melting, the compression tensile force of draught fan impeller 41 and shaft shoulder step is completely eliminated, and makes draught fan impeller be in vacant state completely, is especially susceptible to dismounting.
When the joint member of similar nut needs dismounting but is very difficult, with spanner, bolt is pulled down, two semicircular ring card hoop bodies of cause are quick is wedge shape to opening structure and clip body section, can connect to close up from two clip ears with the flat instrument in one end and easily pry open, clip easy removal is got off, clip pad returns to relaxed state, the tensile force after the locking of joint member and shaft shoulder end face is made to be completely eliminated, the joint member making similar nut is in vacant state completely, is especially susceptible to dismounting.
Above-mentioned simply presently preferred embodiments of the present invention, not does any pro forma restriction to the present invention.Any those of ordinary skill in the art, when without departing from technical solution of the present invention scope, may utilize the technology contents of the disclosure above and technical solution of the present invention are made many possible variations and modification, or be revised as the Equivalent embodiments of equivalent variations.Therefore, every content without departing from technical solution of the present invention, according to the technology of the present invention essence to any simple modification made for any of the above embodiments, equivalent variations and modification, all should drop in the scope of technical solution of the present invention protection.
Claims (3)
1. the bag-type dust formula manganese that air-introduced machine is easy to disassemble processes a rotary kiln system, including rotary kiln, it is characterised in that: rotary kiln is in tilted layout, built-in combustion device, and burner connects air shut-off valve and control valve for coal gas；Rotary kiln is high-end is provided with wind stopping device charging, and connects cyclone dust extractor through fin section, trachea, and cyclone dust extractor connects air-introduced machine, and the air vent of air-introduced machine connects sack cleaner, and cyclone dust extractor is connected below wind stopping device, and wind stopping device is connected with the bucket that gathers dust；It is provided with fin in fin section, fin section is provided externally with cover cylinder, trachea is provided externally with double-pipe air heat exchanger, cover cylinder and air heat exchanger lower pumping mouth divide the air after two-way supply preheating through pipeline after converging, one tunnel connects control valve for coal gas through aerator, gas stove, and another road connects air shut-off valve through aerator；The refractory slab of projection it is provided with in rotary kiln；Described air-introduced machine includes draught fan impeller, bearing, fan shaft and shaft coupling, shaft coupling and fan shaft and draught fan impeller and fan shaft all adopts Screw assembly, and thread rotary orientation is the direction with work with carrying auto lock；The similar nut of draught fan impeller is by threadeding with fan shaft and impeller plain washer, copper-lead being reversed composite pad and compressed, and draught fan impeller and fan shaft one end form screw thread and be rigidly connected；Clip part is inserted in the fan shaft other end, then shaft coupling plain washer is inserted in fan shaft, is then threaded into the shaft coupling of similar nut more rationally all locking, makes the clip part shaft coupling with similar nut also constitute with the fan shaft other end and is rigidly connected；It is the copper packing that punch process becomes that described copper-lead reverses composite pad, is with fin outside it, then at copper packing both sides compound fusible lead alloy packing ring；Described clip part is made up of clip, clip ear, clip pad and bolt, clip cross section is wedge shape, formed opening structure by two semicircular ring card hoop bodies, clip pad opens elliptical aperture to strengthen axial elasticity, clip pad two ends are planar structure, being easy to coordinate with shaft shoulder plane, clip uses bolt through the hole on clip ear, is assemblied on clip pad and is integrally forming.
2. the bag-type dust formula manganese that air-introduced machine according to claim 1 is easy to disassemble processes rotary kiln system, it is characterized in that: described draught fan impeller includes impeller backboard, impeller panel, primary blades and auxiliary blade, primary blades is flat panel contours and is arranged to impeller Axial and radial, centrosymmetric emitting shape；Primary blades connects impeller panel and is welded into impeller bodies with impeller backboard；Impeller panel is provided with air inlet, and impeller backboard connects into firm one by welding with blower fan axle bed with primary blades inner edge, and blower fan axle bed is connected by axis hole and fan shaft；Blower fan auxiliary blade and impeller panel, backboard, primary blades all constitute three-legged structure.
3. the bag-type dust formula manganese that air-introduced machine according to claim 1 and 2 is easy to disassemble processes rotary kiln system, it is characterised in that: the refractory slab of described projection is trapezoidal or rectangle or triangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610123127.1A CN105783505B (en) | 2016-03-05 | 2016-03-05 | Air-introduced machine rotates kiln system convenient for the bag-type dust formula manganese processing of dismantling |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610123127.1A CN105783505B (en) | 2016-03-05 | 2016-03-05 | Air-introduced machine rotates kiln system convenient for the bag-type dust formula manganese processing of dismantling |
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| CN105783505A true CN105783505A (en) | 2016-07-20 |
| CN105783505B CN105783505B (en) | 2018-08-14 |
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| CN201610123127.1A Expired - Fee Related CN105783505B (en) | 2016-03-05 | 2016-03-05 | Air-introduced machine rotates kiln system convenient for the bag-type dust formula manganese processing of dismantling |
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| CN2308745Y (en) * | 1997-01-21 | 1999-02-24 | 曹洪海 | Vertical slurry pump |
| JP2001232343A (en) * | 2000-02-25 | 2001-08-28 | Nikko Co Ltd | Cleaning apparatus for contaminated soil including volatile organic compound |
| CN203784067U (en) * | 2014-03-20 | 2014-08-20 | 邵传江 | Reusable anti-theft bolt |
| CN105043092A (en) * | 2015-09-05 | 2015-11-11 | 吉首大学 | Manganese processing rotary kiln with gas furnace supplying heat |
| CN105066684A (en) * | 2015-09-05 | 2015-11-18 | 吉首大学 | Manganese processing rotary kiln system with gas furnace supplying heat and draught fan being free of dust accumulation |
| CN105135101A (en) * | 2015-09-17 | 2015-12-09 | 中国航空工业集团公司沈阳发动机设计研究所 | Pipeline joint locking device |
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2016
- 2016-03-05 CN CN201610123127.1A patent/CN105783505B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2308745Y (en) * | 1997-01-21 | 1999-02-24 | 曹洪海 | Vertical slurry pump |
| JP2001232343A (en) * | 2000-02-25 | 2001-08-28 | Nikko Co Ltd | Cleaning apparatus for contaminated soil including volatile organic compound |
| CN203784067U (en) * | 2014-03-20 | 2014-08-20 | 邵传江 | Reusable anti-theft bolt |
| CN105043092A (en) * | 2015-09-05 | 2015-11-11 | 吉首大学 | Manganese processing rotary kiln with gas furnace supplying heat |
| CN105066684A (en) * | 2015-09-05 | 2015-11-18 | 吉首大学 | Manganese processing rotary kiln system with gas furnace supplying heat and draught fan being free of dust accumulation |
| CN105135101A (en) * | 2015-09-17 | 2015-12-09 | 中国航空工业集团公司沈阳发动机设计研究所 | Pipeline joint locking device |
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| CN105783505B (en) | 2018-08-14 |
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