CN105521855A - Raymond mill device with convenient-to-disassemble fan - Google Patents
Raymond mill device with convenient-to-disassemble fan Download PDFInfo
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- CN105521855A CN105521855A CN201610123128.6A CN201610123128A CN105521855A CN 105521855 A CN105521855 A CN 105521855A CN 201610123128 A CN201610123128 A CN 201610123128A CN 105521855 A CN105521855 A CN 105521855A
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- impeller
- fan
- clip
- cyclone
- raymond mill
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
- B01D45/14—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by rotating vanes, discs, drums or brushes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/02—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath
- B01D47/024—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath by impinging the gas to be cleaned essentially in a perpendicular direction onto the liquid surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
- B02C23/24—Passing gas through crushing or disintegrating zone
- B02C23/30—Passing gas through crushing or disintegrating zone the applied gas acting to effect material separation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
- B02C23/24—Passing gas through crushing or disintegrating zone
- B02C23/34—Passing gas through crushing or disintegrating zone gas being recirculated to crushing or disintegrating zone
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
- B02C2015/002—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs combined with a classifier
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a Raymond mill device with a convenient-to-disassemble fan. The fan, a Raymond mill, a cyclone separation discharger and a return air pipe form an airflow circulating milling discharging system, a pressure-equalizing exhausting branched pipe is connected with the upper end of a cyclone pipe, multiple cyclone separators are arranged in the cyclone pipe, the lower end of the cyclone pipe is tangentially connected with the cyclone separation discharger, the cyclone separation discharger discharges purified air and immerses below liquid level of a circulating water pool which is connected with the upper end of the cyclone pipe, blades of an induced draft fan impeller are arranged radially in a manner than the impeller is in axial, radial and central symmetry, and centrifugal force can be utilized to timely clean dust to avoid safety accidents. The Raymond mill device is less prone to causing mineral powder dust leakage, disassembling and assembling technology of an induced draft fan is improved substantially, pressure applied on screw shaft shoulder end faces by nut parts can be eliminated simply during disassembling of the fan, and the problem that the induced draft fan which is in threaded assembly constantly locks automatically and is difficult to disassemble under load action is solved effectively. The Raymond mill device is especially suitable for and has particularly remarkable effect on convenient and quick disassembling of large fans after being locked in a threaded manner.
Description
Technical field
The present invention relates to a kind of Raymond mill device, the concrete blower fan that guides can not laying dust and being convenient to be dismantled and the blower fan of maintenance is convenient to the Raymond mill device disassembled.
Background technology
Raymond mill device is the equipment of a kind of extensive use and ore grinding, abrasive dust, because its strong adaptability, cost performance are high, becomes the first-selection of ore grinding and abrasive dust.Raymond mill is that internal air circulation powder exports, and owing to expanding with elevated temperature gas in crushing process, if ore water content is higher or have water to enter, powder yield not only can be caused out to reduce, and also gas can be caused to expand in a large number due to moisture vaporization.Therefore, Raymond mill is all provided with equal pressure gas branch pipe, excessive gas is inputted sack cleaner and carry out purification discharge, avoid crushing system to occur the dust leakage that malleation causes, but cloth bag is when humidity is larger, inner face easily adheres to dust, air permeance resistance is caused to increase, also can cause system malleation, make the Leakage Gas containing a large amount of dust, working environment is worsened.So, keep Raymond mill equal pressure gas branch pipe unimpeded, realize udst separation and breeze recovery simultaneously, to improving working environment, realizing ore dust and reclaiming significant.
Blower fan is the key equipment of Raymond mill device; air-introduced machine is generally centrifugal blower; air-introduced machine continuous, stable, reliably working is very crucial to Raymond mill device; the occasion used due to Raymond mill device all contains certain dust mostly; during air-introduced machine work; air-flow by during the draught fan impeller of High Rotation Speed due to centrifugation, 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 there is micro-dust to exist in air-flow, all more dust can be accumulated after working long hours, thus change the balance of draught fan impeller rotation, if draught fan impeller does not have self purification not clear up in time to dust yet, will cumulative and progressively change draught fan impeller Static and dynamic balance, thus produce vibration.Have the dust that part hardens to be come off by vibration once run into, will balance away from the dynamic rotary of air-introduced machine immediately, then produce judder, this may cause serious personnel and device security accident.
On the other hand, the structure of common blower fan is all generally fan shaft one end is draught fan impeller, and the other end is motor power input, is often shaft coupling.Because blower fan is all generally that long-time continuous is run, so bearing is fragile, change bearing and generally first need 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 large extruding force, if do not have professional equipment and instrument, dismounting is all very inconvenient.
Be threaded have processing simple, assemble convenient, also there is unidirectional carrying torque functions simultaneously, therefore, be threaded if can adopt in the connection of fan shaft with hole and realize transmission, make it assembling and dismounting all comparatively convenient, then possess higher practical value and market application foreground.In the axle of reality coordinates motion thread to assemble with hole, in order to large bearing function demand can be realized, thread spindle is all comparatively large 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 very reliable, but when dismantling, assembling is very tight often, dismantles very difficult, if simple easy removal can be realized under these conditions, seem particularly important.
Therefore, if a kind of Raymond mill device can be designed, make its blower fan can not only Automatic clearance dust, and dismounting and maintenance all very convenient, for promoting the technological progress of Raymond mill device and stopping the meaning that security incident all has particular importance.
Summary of the invention
The technical problem to be solved in the present invention overcomes the deficiencies in the prior art exactly, provides a kind of blower fan can not only Automatic clearance dust, not easily causes breeze dust leakage, and dismounting and maintenance all very easily blower fan be convenient to the Raymond mill device disassembled.
For overcoming the deficiencies in the prior art, the present invention takes following technical scheme:
Blower fan is convenient to the Raymond mill device disassembled, and comprises Raymond mill, cyclonic separation discharger, blower fan and equal pressure gas branch pipe, it is characterized in that; Blower fan, Raymond mill, cyclonic separation discharger and return-air airduct form airflow circulating abrasive dust discharge system; Equal pressure gas branch pipe connects cyclone pipe upper end, in cyclone pipe, multiple cyclone is set, cyclone pipe lower end tangentially connects cyclone separator, on cyclone separator, exhaust outlet discharges the air of purification, lower nozzle realizes fluid-tight discharging under immersing circulating water pool liquid level, and circulating water pool is connected cyclone pipe upper end through circulating pump with circulating water pipe; Described air-introduced machine comprises draught fan impeller, bearing, fan shaft and shaft coupling, and shaft coupling and fan shaft and draught fan impeller and fan shaft all adopt Screw assembly, and thread rotary orientation is with the direction of work with carrying auto lock; The similar nut of draught fan impeller is by being threaded with fan shaft and impeller plain washer, copper-lead being reversed composite pad and compress, 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, then screws in the shaft coupling of similar nut, more rationally all locking, the shaft coupling of clip part and similar nut and the fan shaft other end is also formed 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, form opening structure by two semicircular ring clip bodies, clip pad opens elliptical aperture to strengthen axial elasticity, clip pad two ends are planar structure, be convenient to coordinate with shaft shoulder plane, clip uses bolt through the hole on clip ear, is assemblied on clip pad to become to be integrated.
Described draught fan impeller comprises 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 form three-legged structure.
Described return-air airduct is connected import department and is provided with isolation temporary storage barrel with blower fan, isolation temporary storage barrel is provided with gravity bin gate.
Be provided with powder temporary storage barrel below described gravity bin gate, powder temporary storage barrel is provided with valve and discharge gate.
During equipment work, blower fan, Raymond mill, cyclonic separation discharger and return-air airduct form airflow circulating abrasive dust discharge system, in practical application, return-air airduct especially easily deposits breeze, depart from a large number to fall once the breeze that hardens and just easily pour damage equipment in blower fan, so keep at fan inlet place design isolated temporary storage barrel the breeze hardening and fall, realize gas pressure isolation simultaneously.Isolation temporary storage barrel material stock how after, gravity bin gate can automatic shutter, breeze is entered powder temporary storage barrel, can operate discharge gate and be discharged by breeze and use, thoroughly eliminate the hidden danger of blower fan abnormal damage according to situation.
Equal pressure gas branch pipe and circulating water pipe are all connected cyclone pipe upper end, in cyclone pipe, cyclone is set in right amount, steam is blended in cyclone pipe to rotate and declines, dust is captured and enters cyclone separator, on cyclone separator, exhaust outlet discharges the air of purification, lower nozzle realizes fluid-tight discharging under immersing circulating water pool liquid level, and breeze deposits in circulating water pool, and surperficial primary water is transported to cyclone pipe upper end spray by water circulating pump.Cyclone gas-flow resistance is far smaller than Bag filter resistance, can not cause system malleation; Multistage cyclone separation energy more thoroughly catches dust simultaneously, and discharge air-flow cleanliness factor is high, greatly improves ore grinding and abrasive dust working environment.
When draught fan impeller of the present invention uses, because the major-minor sharf radial center of blower fan is symmetrical, blade is when High Rotation Speed, blade surface has powerful eccentric surfaces self purification under powerful centrifugal action, dust cannot adhere to and can realize Quick spin separation, dynamic, the static balancing of impeller can not be affected, be applicable to large discharge, high-power, anti-laying dust pneumatic convey.Impeller panel, backboard, primary blades, auxiliary blade all form leg-of-mutton Axial and radial centrosymmetric structure, the blower fan backboard making it connect and the anti-relative torsion of panel, to extrude rigidity extremely strong, the fatigue fracture that blower fan primary blades connection backboard root causes because carrying Moment can be stopped completely, also higher intensity can be obtained by thinner board making, ensure to stablize, reliably use, the Impeller Design of this spline structure is particularly suitable for thin plate and makes, be convenient to save material, be conducive to light and handyization of equipment.
When air-introduced machine need be dismantled and overhaul, the copper-lead of innovative design is utilized to reverse composite pad, clip part, pass through operation readiness, simply can eliminate the pressure of similar nut member 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 seems particularly important.
When draught fan impeller need dismounting but very at need, oxy arc is adopted to carry out oxy arc heating to the copper packing that copper-lead reverses in the middle of Composition spacer, because the conductivity of heat of copper is fabulous, and the fusing point of metal is lower, after heating, metal is heated melting, the compression tensile force of draught fan impeller and shaft shoulder step is eliminated completely, makes draught fan impeller be in vacant state completely, is easy to dismounting especially.
When similar nut joint member need dismounting but very at need, with spanner, bolt is pulled down, because of two semicircular ring clip bodies for quick to opening structure and clip body section is wedge shape, 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, relaxed state got back to by clip pad, tensile force after the locking of joint member and shaft shoulder end face is eliminated completely, make the joint member of similar nut be in vacant state completely, be easy to dismounting especially.
Compared with prior art, beneficial effect of the present invention is also significantly to have taken on a new look the dismounting technology of air-introduced machine, effectively can solve air-introduced machine Screw assembly not easily detachable problem of continuous auto lock under load effect, be particularly suitable for the convenient dismounting after large fan screw-threaded coupling, effect is particularly remarkable, be mainly reflected in following some:
1, do not change the feature of Screw assembly, only need add Pot metal composite pad, clip pad and clip, low being also easy to especially of cost realizes; 2, Pot metal composite pad, clip pad can play good Stress decomposition effect, and effectively strengthen the bearing capacity of structure, elliptical aperture opened by clip pad effectively can 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, realizes the assembly rapid and convenient dismounting of similar nut member Screw assembly tight especially; 4, the wedged dress distribution structure of clip pad and clip is convenient to repeatedly quick assembly and disassembly and is used.
Accompanying drawing explanation
Fig. 1 is 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 assembly structure schematic diagram 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 three-dimensional structure schematic diagram of cyclone.
In figure, each label represents:
A, blower fan; C, cyclone; 1, Raymond mill; 2, cyclonic separation discharger; 3, return-air airduct; 4, equal pressure gas branch pipe interface; 5, temporary storage barrel is isolated; 6, gravity bin gate; 7, valve; 8, powder temporary storage barrel; 9, discharge gate; 10, cyclone pipe; 11, cyclone separator; 12, circulating pump; 13, circulating water pipe; 14, equal pressure gas branch pipe; 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
Now by reference to the accompanying drawings, the present invention is illustrated further.
As shown in Figure 1, Figure 2, blower fan shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9 and Figure 10 is convenient to the Raymond mill device disassembled, comprise Raymond mill 1, cyclonic separation discharger 2, blower fan A and equal pressure gas branch pipe 14, blower fan A, Raymond mill 1, cyclonic separation discharger 2 and return-air airduct 3 form airflow circulating abrasive dust discharge system; Equal pressure gas branch pipe 14 connects cyclone pipe 10 upper end, multiple cyclone C is set in cyclone pipe 10, cyclone pipe 10 lower end tangentially connects cyclone separator 11, on cyclone separator 11, exhaust outlet discharges the air of purification, lower nozzle realizes fluid-tight discharging under immersing circulating water pool liquid level, and circulating water pool is connected cyclone pipe 10 upper end through circulating pump 12 with circulating water pipe 13; Described air-introduced machine A comprises 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 with the direction of work with carrying auto lock; The similar nut of draught fan impeller 41 is by being threaded with fan shaft 45 and impeller plain washer 42, copper-lead being reversed composite pad 43 and compress, 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, then the shaft coupling 48 of similar nut is screwed in, more rationally all locking, the shaft coupling 48 of clip part 46 and similar nut is also formed with fan shaft 45 other end and is 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, form opening structure by two semicircular ring clip bodies, clip pad 63 opens elliptical aperture 64 to strengthen axial elasticity, clip pad 63 two ends are planar structure, be convenient to coordinate with shaft shoulder plane, clip uses bolt 65 through the hole on clip ear 62, is assemblied on clip pad 63 to become to be integrated.
Described draught fan impeller 41 comprises impeller backboard 37, impeller panel 38, primary blades 31 and auxiliary blade 32, and primary blades 31 is 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 form three-legged structure.
Described return-air airduct 3 is connected import department and is provided with and isolates temporary storage barrel 5 with blower fan A, isolation temporary storage barrel 5 is provided with gravity bin gate 6.
Be provided with powder temporary storage barrel 8 below described gravity bin gate 6, powder temporary storage barrel 8 is provided with valve 7 and discharge gate 9.
During equipment work, blower fan A, Raymond mill 1, cyclonic separation discharger 2 and return-air airduct 3 form airflow circulating abrasive dust discharge system, in practical application, return-air airduct 3 especially easily deposits breeze, depart from a large number to fall once the breeze that hardens and just easily pour damage equipment in blower fan A, so at the temporary breeze fallen that hardens of fan inlet place design isolated temporary storage barrel 5, realize gas pressure isolation simultaneously.Isolation temporary storage barrel 5 material stock how after, gravity bin gate 6 can automatic shutter, breeze is entered powder temporary storage barrel 8, can operate discharge gate 9 and be discharged by breeze and use, thoroughly eliminate the hidden danger of blower fan abnormal damage according to situation.
Equal pressure gas branch pipe 14 and circulating water pipe 13 are all connected cyclone pipe 10 upper end, in cyclone pipe 10, cyclone C is set in right amount, steam is blended in cyclone pipe 10 to rotate and declines, dust is captured and enters cyclone separator 11, on cyclone separator 11, exhaust outlet discharges the air of purification, lower nozzle realizes fluid-tight discharging under immersing circulating water pool liquid level, and breeze deposits in circulating water pool, and surperficial primary water is transported to cyclone pipe 10 upper end spray by water circulating pump 12.Cyclone C gas-flow resistance is far smaller than Bag filter resistance, can not cause system malleation; Multistage cyclone separation energy more thoroughly catches dust simultaneously, and discharge air-flow cleanliness factor is high, greatly improves ore grinding and abrasive dust working environment.
When draught fan impeller of the present invention uses, because the major-minor sharf radial center of blower fan is symmetrical, blade is when High Rotation Speed, blade surface has powerful eccentric surfaces self purification under powerful centrifugal action, dust cannot adhere to and can realize Quick spin separation, dynamic, the static balancing of impeller can not be affected, be applicable to large discharge, high-power, anti-laying dust pneumatic convey.Impeller panel 38, backboard 37, primary blades 31, auxiliary blade 32 all form leg-of-mutton Axial and radial centrosymmetric structure, the blower fan backboard making it connect and the anti-relative torsion of panel, to extrude rigidity extremely strong, the fatigue fracture that blower fan primary blades connection backboard root causes because carrying Moment can be stopped completely, also higher intensity can be obtained by thinner board making, ensure to stablize, reliably use, the Impeller Design of this spline structure is particularly suitable for thin plate and makes, be convenient to save material, be conducive to light and handyization of equipment.
When air-introduced machine A need dismantle and overhaul, the copper-lead of innovative design is utilized to reverse composite pad 43, clip part 46, pass through operation readiness, simply can eliminate the pressure of similar nut member 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 seems particularly important.
When draught fan impeller 41 need dismounting but very at need, oxy arc is adopted to carry out oxy arc heating to the copper packing that copper-lead reverses in the middle of Composition spacer, because the conductivity of heat of copper is fabulous, and the fusing point of metal is lower, after heating, metal is heated melting, draught fan impeller 41 is eliminated completely with the compression tensile force of shaft shoulder step, makes draught fan impeller be in vacant state completely, is easy to dismounting especially.
When similar nut joint member need dismounting but very at need, with spanner, bolt is pulled down, because of two semicircular ring clip bodies for quick to opening structure and clip body section is wedge shape, 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, relaxed state got back to by clip pad, tensile force after the locking of joint member and shaft shoulder end face is eliminated completely, make the joint member of similar nut be in vacant state completely, be easy to dismounting especially.
Above-mentioned just preferred embodiment of the present invention, not does any pro forma restriction to the present invention.Any those of ordinary skill in the art, when not departing from technical solution of the present invention scope, can utilize the technology contents of above-mentioned announcement to make many possible variations and modification to technical solution of the present invention, or being revised as the Equivalent embodiments of equivalent variations.Therefore, every content not 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 (4)
1. blower fan is convenient to the Raymond mill device disassembled, comprises Raymond mill, cyclonic separation discharger, blower fan and equal pressure gas branch pipes, it is characterized in that; Blower fan, Raymond mill, cyclonic separation discharger and return-air airduct form airflow circulating abrasive dust discharge system; Equal pressure gas branch pipe connects cyclone pipe upper end, in cyclone pipe, multiple cyclone is set, cyclone pipe lower end tangentially connects cyclone separator, on cyclone separator, exhaust outlet discharges the air of purification, lower nozzle realizes fluid-tight discharging under immersing circulating water pool liquid level, and circulating water pool is connected cyclone pipe upper end through circulating pump with circulating water pipe; Described air-introduced machine comprises draught fan impeller, bearing, fan shaft and shaft coupling, and shaft coupling and fan shaft and draught fan impeller and fan shaft all adopt Screw assembly, and thread rotary orientation is with the direction of work with carrying auto lock; The similar nut of draught fan impeller is by being threaded with fan shaft and impeller plain washer, copper-lead being reversed composite pad and compress, 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, then screws in the shaft coupling of similar nut, more rationally all locking, the shaft coupling of clip part and similar nut and the fan shaft other end is also formed 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, form opening structure by two semicircular ring clip bodies, clip pad opens elliptical aperture to strengthen axial elasticity, clip pad two ends are planar structure, be convenient to coordinate with shaft shoulder plane, clip uses bolt through the hole on clip ear, is assemblied on clip pad to become to be integrated.
2. blower fan according to claim 1 is convenient to the Raymond mill device disassembled, it is characterized in that: described draught fan impeller comprises 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 form three-legged structure.
3. blower fan according to claim 1 and 2 is convenient to the Raymond mill device disassembled, it is characterized in that: described return-air airduct is connected import department and is provided with isolation temporary storage barrel with blower fan, and isolation temporary storage barrel is provided with gravity bin gate.
4. blower fan according to claim 1 and 2 is convenient to the Raymond mill device disassembled, it is characterized in that: be provided with powder temporary storage barrel below described gravity bin gate, powder temporary storage barrel is provided with valve and discharge gate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610123128.6A CN105521855B (en) | 2016-03-05 | 2016-03-05 | Blower fan is easy to the Raymond mill device disassembled |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610123128.6A CN105521855B (en) | 2016-03-05 | 2016-03-05 | Blower fan is easy to the Raymond mill device disassembled |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105521855A true CN105521855A (en) | 2016-04-27 |
| CN105521855B CN105521855B (en) | 2017-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610123128.6A Expired - Fee Related CN105521855B (en) | 2016-03-05 | 2016-03-05 | Blower fan is easy to the Raymond mill device disassembled |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105521855B (en) |
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| CN107744858A (en) * | 2017-11-16 | 2018-03-02 | 温岭市忠盛金属材料有限公司 | Zinc powder drying and crushing device in alkali leaching electrolytic metal zinc powder |
| CN112354318A (en) * | 2020-11-16 | 2021-02-12 | 冯厉 | Dust remover for waste gas purification and use method thereof |
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| GB2413061A (en) * | 2004-04-16 | 2005-10-19 | Samsung Kwangju Electronics Co | Cyclonic dust-collecting apparatus |
| CN101507940A (en) * | 2009-01-15 | 2009-08-19 | 湘潭市双马世纪新材料有限公司 | Dehumidification dust-free Raymond mill |
| CN203784067U (en) * | 2014-03-20 | 2014-08-20 | 邵传江 | Reusable anti-theft bolt |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107744858A (en) * | 2017-11-16 | 2018-03-02 | 温岭市忠盛金属材料有限公司 | Zinc powder drying and crushing device in alkali leaching electrolytic metal zinc powder |
| CN112354318A (en) * | 2020-11-16 | 2021-02-12 | 冯厉 | Dust remover for waste gas purification and use method thereof |
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| CN105521855B (en) | 2017-12-22 |
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