CN105674715B - A kind of heat-pump-type tail heat utilization inertial dust collection adverse current dryer - Google Patents

A kind of heat-pump-type tail heat utilization inertial dust collection adverse current dryer Download PDF

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Publication number
CN105674715B
CN105674715B CN201610123138.XA CN201610123138A CN105674715B CN 105674715 B CN105674715 B CN 105674715B CN 201610123138 A CN201610123138 A CN 201610123138A CN 105674715 B CN105674715 B CN 105674715B
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impeller
clip
air
fan
introduced machine
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CN201610123138.XA
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CN105674715A (en
Inventor
朱虹
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Energy Saving Environmental Protection Polytron Technologies Inc In Anhui
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Energy Saving Environmental Protection Polytron Technologies Inc In Anhui
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B15/00Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form
    • F26B15/10Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions
    • F26B15/12Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined
    • F26B15/18Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined the objects or batches of materials being carried by endless belts
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D17/00Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/08Centrifugal pumps
    • F04D17/16Centrifugal pumps for displacing without appreciable compression
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/05Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
    • F04D29/053Shafts
    • F04D29/054Arrangements for joining or assembling shafts
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/26Rotors specially for elastic fluids
    • F04D29/263Rotors specially for elastic fluids mounting fan or blower rotors on shafts
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/26Rotors specially for elastic fluids
    • F04D29/28Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/281Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/26Rotors specially for elastic fluids
    • F04D29/28Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/30Vanes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/001Drying-air generating units, e.g. movable, independent of drying enclosure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/02Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure
    • F26B21/04Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure partly outside the drying enclosure

Abstract

The invention discloses a kind of heat-pump-type tail heat utilization inertial dust collection adverse current dryer, the draught hood of dryer connects air-introduced machine, and air-introduced machine empties after cyclone dust collectors connect the evaporator of heat pump system with inertial dust separator;The evaporator of heat pump system connects host through refrigerant pipe, and host connects condenser through refrigerant pipe;The condensed device in outlet side of air blower is connected into fan housing;The blade arrangement of the draught fan impeller radial, centrosymmetric emitting shape at impeller axle, can clear up dust in time using centrifugal force, avoid the occurrence of safety accident.The present invention not only increases drying efficiency, realizes energy-saving and emission-reduction, more importantly significantly take on a new look the dismounting technology of air-introduced machine, the pressure for enabling it simply to eliminate similar nut member in dismantling to screw shaft shoulder end face, effectively solve the problems, such as that air-introduced machine Screw assembly continuous auto lock under load effect is not easy to remove, the convenient dismounting being particularly suitable for after large fan screw-threaded coupling, effect are especially pronounced.

Description

A kind of heat-pump-type tail heat utilization inertial dust collection adverse current dryer
Technical field
The present invention relates to a kind of dryers, and referring specifically to air-introduced machine will not dust accumulation and easy to disassemble and maintenance heat-pump-type tail heat Utilize inertial dust collection adverse current dryer.
Background technology
Drying of the people generally by drying temperature less than 60 degrees Celsius is known as low temperature drying, and low temperature drying is widely used in making The drying of the heat sensitive materials such as species, Chinese medicine, biological products.Hot air type drier due to technology maturation, it is adaptable, Operating cost is low, highly reliable, is still one of preferred unit of low temperature drying.Low temperature drying due to exhaust emissions temperature compared with It is low thus more difficult into end of line heat utilization.If can be realized during hot air type low temperature drying to material penetrate and it is inverse Stream drying, and tail heat is effectively recycled, then for improving drying efficiency and realizing energy-saving and emission-reduction all with especially important Meaning.
Air-introduced machine is the key equipment of heated air drier, and air-introduced machine is generally centrifugal blower, air-introduced machine it is continuous, steady Calmly, reliably working is very crucial to dryer, since the occasion that dryer uses all contains certain dust, air-introduced machine work mostly When making, air-flow by when high-speed rotating draught fan impeller since centrifugation, dust granule can be detached from air-flow phase and deposit It is attached on draught fan impeller.
Draught fan impeller rotating speed is generally all higher, as long as with the presence of micro dust in air-flow, can all be accumulated after working long hours More dust is tired out, to change the balance of draught fan impeller rotation, if draught fan impeller does not have self purification not have dust yet Have timely cleaning, will static and dynamic equilibrium cumulative and that draught fan impeller is altered in steps, to generate vibration.Once The dust that encountering has part hardened, which is vibrated, to fall off, and the dynamic rotary far from air-introduced machine will balance, then generate strong immediately Vibration, this may cause serious personnel and equipment safety accident.
On the other hand, it is draught fan impeller that the structure of common wind turbine, which is typically all fan shaft one end, and the other end is electronic motor-driven Power input terminal is often shaft coupling.Since wind turbine is typically all long-time continuous operation, so bearing is fragile, bearing one is replaced As need first to dismantle the shaft coupling of draught fan impeller and the other end, but the assembly of existing fan shaft and draught fan impeller, shaft coupling belongs to Typical axis, hole interference fit, and carrying transmission is carried out by key.It is higher to be interference fitted usual requirement on machining accuracy, and Realize torque bearing function in conjunction with key connection, assembly generally all needs to load prodigious extruding force, if without professional equipment and Tool, dismounting are all very inconvenient.
Threaded connection is simple with processing, assembly is convenient, while also with unidirectionally carrying torque functions, therefore, in wind turbine If axis is threadedly coupled and realizes transmission with can be used in the connection in hole, it is all more convenient to be allowed to assembly or disassembly, then has higher Practical value and market application prospect.In actual axis and hole cooperation motion thread assembly, in order to realize big carrying work( Energy demand, the scantling of thread spindle similar nut member with what is matched is all larger, is screwed in assembly often all also very light Pine is convenient, and can realize the automatic continuous locking of bearing capacity in use, thus very reliable, but in dismounting, assembly Often very tight, dismounting is very difficult, if simple easy removal can be realized under these conditions, it appears particularly important.
Therefore, if a kind of dryer can be designed, make its wind turbine that can not only clear up dust automatically, and dismantle and overhaul all It is very convenient, all there is especially important meaning for promoting the technological progress of dryer and preventing safety accident.
Invention content
The technical problem to be solved in the present invention is to overcome the shortcomings of the prior art and provide a kind of wind turbines can not only be automatically clear Dust is managed, and is dismantled and maintenance all very easily heat-pump-type tail heat utilization inertial dust collection adverse current dryers.
In order to overcome the deficiencies of the prior art, the present invention takes following technical scheme:
A kind of heat-pump-type tail heat utilization inertial dust collection adverse current dryer, including dryer and air-introduced machine, it is characterised in that;It dries Dry machine both ends are respectively equipped with draught hood and enter fan housing, and draught hood connects air-introduced machine, and air-introduced machine is turned back through cyclone dust collectors and repeatedly It is emptied after the evaporator of baffle-type inertial dust separator connection heat pump system;The evaporator of heat pump system connects host through refrigerant pipe, Host connects condenser through refrigerant pipe;The condensed device in outlet side of air blower is connected into fan housing;The air-introduced machine includes wind turbine leaf Wheel, bearing, fan shaft and shaft coupling, shaft coupling are all made of Screw assembly, screw thread rotation with fan shaft and draught fan impeller with fan shaft To be with work with carrying auto lock direction;Draught fan impeller is similar to nut by being threadedly coupled with fan shaft and putting down impeller Washer, copper-lead torsion composite pad compress, and draught fan impeller forms screw thread rigid connection with fan shaft one end;Clip part is inserted in wind turbine The axis other end, then shaft coupling plain washer is inserted in fan shaft, it is then threaded into the shaft coupling of similar nut, then rationally all locking, Clip part and the shaft coupling of similar nut is set also to constitute rigid connection with the fan shaft other end;The copper-lead reverses composite pad Punch process at copper packing, it is outer to be with fin, then in the compound fusible lead alloy washer in copper packing both sides;The clip part is by card Hoop, clip ear, clip pad and bolt are constituted, and clip section is wedge shape, is made of to opening structure, clip two semicircular ring clip bodies Pad opens elliptical aperture to enhance axial elasticity, and it is planar structure that clip, which pads both ends, and convenient for coordinating with shaft shoulder plane, clip uses bolt Hole on clip ear is assemblied on clip pad and is integrally formed.
The draught fan impeller includes impeller backboard, impeller panel, primary blades and auxiliary blade, and primary blades are flat panel contours And it is arranged to impeller axle radial direction, centrosymmetric emitting shape;Primary blades connect impeller panel and are welded into impeller with impeller backboard Main body;Impeller panel is equipped with air inlet, and impeller backboard connects into secured one by welding with primary blades inner edge with wind turbine axle bed, Wind turbine axle bed is connected by axis hole and fan shaft;Wind turbine auxiliary blade is constituted with impeller panel, backboard, primary blades Three-legged structure.
There are drive roll and driven voller that sieve plate steel band is driven to pass through in the dryer, closed cone is equipped with below sieve plate steel band Bucket, cone bucket is interior to be equipped with aerofoil fan.After opening aerofoil fan, air-flow can be forced through sieve plate steel band and its material of top, real Existing penetration counter-current drying.
Sieve plate steel band both ends are respectively equipped with feed hopper and discharge bucket, realize the charging drying of serialization.
When equipment works, Homogeneous charge is carried out by feed hopper, is passed through inside dryer with sieve plate steel band, aerofoil fan is opened Afterwards, due to the sealing process of cone bucket, air-flow can be forced through sieve plate steel band and its material of top, and it is dry to carry out penetration adverse current It is dry;Draught hood connects air-introduced machine air inlet, and baffle-type inertial dust collection of turning back repeatedly will be entered after the cyclone dust removal of damp and hot tail gas Device, device body are equipped with vibrator, carry out vibration purification and fall ash, are re-introduced into evaporator fin and complete tail heat utilization, by heat pump main frame Work conveys refrigerant by refrigerant pipe and discharges heat in fin condenser, and the air that air blower blasts is on fin condenser After heat exchange heating, enters dryer by entering fan housing, complete the drying of penetration adverse current and tail heat utilization.
In use, since the major-minor sharf radial center of wind turbine is symmetrical, blade revolves the draught fan impeller of the present invention in high speed When turning, there is blade surface powerful eccentric surfaces self purification, dust can not adhere to and can be real under powerful centrifugation force effect Existing Quick spin separation, does not interfere with dynamic, the static balancing of impeller, is suitble to big flow, high-power, anti-dust accumulation air-flow conveying. The triangle axis radial direction centrosymmetric structure of impeller panel, backboard, primary blades, auxiliary blade, the wind for making it be connected Machine backboard and the anti-relative torsion of panel, extruding rigidity are extremely strong, can prevent wind turbine primary blades connection backboard root completely because of carrying Moment and caused by fatigue fracture, can also obtain higher intensity with relatively thin board making, ensure to stablize, is reliable It uses, the Impeller Design of this spline structure is particularly suitable for thin plate and makes, and convenient for saving material, is conducive to light and handyization of equipment.
When air-introduced machine need to be dismantled and be overhauled, using copper-lead torsion composite pad, the clip part of innovative design, by convenient Operation can simply eliminate similar nut member to the pressure of screw shaft shoulder end face, and at this moment nut and screw part are outstanding in unloading Dummy status, dismantling becomes simple and convenient as Screw assembly, for solving Screw assembly constantly automatic lock under load effect Tightly, technical barrier not easy to remove, in large fan shaft components screw-threaded coupling field, such function is particularly important.
When draught fan impeller need dismantle but it is very difficult when, using oxy arc to copper-lead torsion Composition spacer among Copper packing carries out oxy arc heat treatment, and since the conductivity of heat of copper is fabulous, and the fusing point of metal is relatively low, and metal is heated after heating It melts, the compression tensile force of draught fan impeller and shaft shoulder step completely eliminates, and so that draught fan impeller is in complete vacant state, especially It is readily disassembled.
When the joint member of similar nut need to dismantle but it is very difficult when, bolt is removed with spanner, because of two Semicircular ring clip body be fast wedge shape to opening structure and clip body section, the tool that one end can be used flat connect from two clip ears Engagement is held together place and is easily pried open, and clip easy removal is got off, clip pad returns to relaxed state, makes joint member and shaft shoulder end face Locking after tensile force completely eliminate, so that the joint member of similar nut is in complete vacant state, be especially susceptible to tear open It unloads.
Compared with prior art, beneficial effects of the present invention also reside in the dismounting technology for the air-introduced machine that significantly taken on a new look, energy It effectively solves the problems, such as that air-introduced machine Screw assembly continuous auto lock under load effect is not easy to remove, is particularly suitable for large fan Convenient dismounting after screw-threaded coupling, effect is especially pronounced, is mainly reflected in the following:
1, do not change the feature of Screw assembly, Pot metal composite pad, clip pad and clip need to only be added, it is at low cost also special It is not easily achieved;2, Pot metal composite pad, clip pad can play good Stress decomposition, the carrying energy of effective enhancing structure Power, clip pad, which opens elliptical aperture, can effectively enhance clip pad axial elasticity;3, very cleverly Pot metal composite pad is used to heat The Assembly And Disassembly of design and clip realizes that tensioning and the relaxation function of axial accessory, effectively quick eliminate are locked similar to nut Tensile force, realize especially tight similar nut member Screw assembly component rapid and convenient dismantle;4, clip pad and clip Wedge-shaped assembling structure uses convenient for quick assembly and disassembly repeatedly.
Description of the drawings
Fig. 1 is the planar structure schematic diagram of the present invention
Fig. 2 is the dimensional structure diagram of air-introduced machine shafting.
Fig. 3 is the planar structure schematic diagram of air-introduced machine shafting.
Fig. 4 is the dimensional structure diagram of draught fan impeller.
Fig. 5 is the cross-sectional view of draught fan impeller.
Fig. 6 is the structural schematic diagram of copper-lead torsion composite pad.
Fig. 7 is the assembling structure schematic diagram of clip part.
Fig. 8 is the fractionation structural representation of clip part.
Fig. 9 is the structural schematic diagram of clip pad.
Each label indicates in figure:
A, air-introduced machine;1, drive roll;2, feed hopper;3, sieve plate steel band;4, cone bucket;5, aerofoil fan;6, draught hood;11、 Dryer;12, enter fan housing;13, driven voller;14, discharge bucket;21, cyclone dust collectors;22 evaporators;23, exhaust pipe;24, refrigerant Pipe;25, heat pump main frame;26, condenser;27, air blower;28, it turns back repeatedly baffle-type inertial dust separator;31, primary blades;32、 Auxiliary blade;33, impeller air inlet;34, wind turbine axle bed;36, axis hole;37, impeller backboard;38, impeller panel;41, air-introduced machine 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 washer;61, clip;62, clip ear;63, clip pad; 64, slotted eye;65, bolt.
Specific implementation mode
In conjunction with attached drawing, the present invention is further elaborated with.
As shown in Figure 1, Figure 2, the heat utilization of heat-pump-type tail shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8 and Fig. 9 inertial dust collection adverse current Dryer, including dryer 11 and air-introduced machine A, 11 both ends of dryer are respectively equipped with draught hood 6 and enter fan housing 12, and draught hood 6 connects Air-introduced machine A is met, air-introduced machine A connects the evaporation of heat pump system through cyclone dust collectors 21 and baffle-type inertial dust separator 28 of turning back repeatedly It is emptied after device 22;The evaporator 22 of heat pump system connects host 25 through refrigerant pipe 24, and host 25 connects condenser through refrigerant pipe 24 26;The condensed device in the outlet side of air blower 27 26 is connected into fan housing 12;The air-introduced machine A includes draught fan impeller 41, bearing 44, wind Arbor 45 and shaft coupling 48, shaft coupling 48 are all made of Screw assembly, screw thread with fan shaft 45 and draught fan impeller 41 with fan shaft 45 Rotation direction is the direction with work and carrying auto lock;Draught fan impeller 41 is similar to nut by being threadedly coupled and inciting somebody to action with fan shaft 45 Impeller plain washer 42, copper-lead torsion composite pad 43 compress, and draught fan impeller 41 forms screw thread rigid connection with 45 one end of fan shaft;Card Hoop part 46 is inserted in 45 other end of fan shaft, then shaft coupling plain washer 47 is inserted in fan shaft 45, is then threaded into similar nut Shaft coupling 48, then rationally all locking, make the shaft coupling 48 of clip part 46 and similar nut and 45 other end of fan shaft also structure At rigid connection;Copper-lead torsion composite pad 43 be punch process at copper packing, it is outer to be with fin 51, then in copper packing both sides Compound fusible lead alloy washer 52;The clip part 46 is made of clip 61, clip ear 62, clip pad 63 and bolt 65, card It is wedge shape to bind round 61 sections, is made of to opening structure two semicircular ring clip bodies, clip pad 63 opens elliptical aperture 64 to enhance axial bullet Property, it is planar structure that clip, which pads 63 both ends, and convenient for coordinating with shaft shoulder plane, clip is passed through using bolt 65 on clip ear 62 Hole is assemblied on clip pad 63 and is integrally formed.
The draught fan impeller 41 includes impeller backboard 37, impeller panel 38, primary blades 31 and auxiliary blade 32, primary blades 31 are flat panel contours and are arranged to impeller axle radial direction, centrosymmetric emitting shape;Primary blades 31 connect impeller panel 38 and and leaf Wheel backboard 37 is welded into impeller bodies;Impeller panel 38 is equipped with air inlet 33, and impeller backboard 37 passes through weldering with 31 inner edge of primary blades It connects with fan shaft 45 and connects into secured one, wind turbine axle bed 34 is connected by axis hole 36 and fan shaft 45;Wind turbine Auxiliary blade 32 constitutes three-legged structure with impeller panel 38, backboard 37, primary blades 31.
There are drive roll 1 and driven voller 13 that sieve plate steel band 3 is driven to pass through in the dryer 11,3 lower section of sieve plate steel band is equipped with Closed cone bucket 4, cone bucket 4 is interior to be equipped with aerofoil fan 5.Open aerofoil fan 5 after, air-flow can be forced through sieve plate steel band 3 and its The material of top realizes penetration counter-current drying.
3 both ends of sieve plate steel band are respectively equipped with feed hopper 2 and discharge bucket 14, realize the charging drying of serialization.
When equipment works, Homogeneous charge is carried out by feed hopper 2, is passed through inside dryer 11 with sieve plate steel band 3, axis stream is opened After fan 5, due to the sealing process of cone bucket 4, air-flow can be forced through sieve plate steel band 3 and its material of top, be penetrated Formula counter-current drying;Draught hood 6 connects air-introduced machine A air inlets, and baffle of turning back repeatedly will be entered after the cyclone dust removal of damp and hot tail gas Formula inertial dust separator 28, device body are equipped with vibrator, carry out vibration purification and fall ash, are re-introduced into evaporator fin 22 and complete tail heat profit With by the work of heat pump main frame 25, by the conveying refrigerant of refrigerant pipe 24, release heat, air blower 27 rouse in fin condenser 26 The air entered is exchanged heat on fin condenser 26 after heating, enters dryer 11 by entering fan housing 12, is completed penetration adverse current and is dried Dry and tail heat utilization.
In use, since the major-minor sharf radial center of wind turbine is symmetrical, blade revolves the draught fan impeller of the present invention in high speed When turning, there is blade surface powerful eccentric surfaces self purification, dust can not adhere to and can be real under powerful centrifugation force effect Existing Quick spin separation, does not interfere with dynamic, the static balancing of impeller, is suitble to big flow, high-power, anti-dust accumulation air-flow conveying. The triangle axis radial direction centrosymmetric structure of impeller panel 38, backboard 37, primary blades 31, auxiliary blade 32, makes its institute The wind turbine backboard of connection and the anti-relative torsion of panel, extruding rigidity are extremely strong, can prevent wind turbine primary blades connection backboard root completely Portion's fatigue fracture caused by due to carrying Moment, higher intensity can be also obtained with relatively thin board making, ensured Stablize, reliable use, the Impeller Design of this spline structure is particularly suitable for thin plate and makes, and convenient for saving material, is conducive to the light of equipment Skilfulization.
When air-introduced machine A need to be dismantled and be overhauled, using copper-lead torsion composite pad 43, the clip part 46 of innovative design, lead to Operation readiness is crossed, can simply eliminate similar nut member to the pressure of screw shaft shoulder end face, at this moment nut is in screw part Vacant state is unloaded, dismantling becomes simple and convenient as Screw assembly, continuous under load effect for solving Screw assembly Auto lock, technical barrier not easy to remove, in large fan shaft components screw-threaded coupling field, such function seems particularly It is important.
When draught fan impeller 41 need dismantle but it is very difficult when, using oxy arc to copper-lead torsion Composition spacer among Copper packing carry out oxy arc heat treatment, since the conductivity of heat of copper is fabulous, and the fusing point of metal is relatively low, after heating metal by Thermal melting, draught fan impeller 41 and the compression tensile force of shaft shoulder step completely eliminate, and draught fan impeller is made to be in complete vacant state, It is especially susceptible to dismantle.
When the joint member of similar nut need to dismantle but it is very difficult when, bolt is removed with spanner, because of two Semicircular ring clip body be fast wedge shape to opening structure and clip body section, the tool that one end can be used flat connect from two clip ears Engagement is held together place and is easily pried open, and clip easy removal is got off, clip pad returns to relaxed state, makes joint member and shaft shoulder end face Locking after tensile force completely eliminate, so that the joint member of similar nut is in complete vacant state, be especially susceptible to tear open It unloads.
Above-mentioned only presently preferred embodiments of the present invention, is not intended to limit the present invention in any form.It is any to be familiar with sheet The technical staff in field, without deviating from the scope of the technical scheme of the present invention, all using the technology contents of the disclosure above Many possible changes and modifications are made to technical solution of the present invention, or are revised as the equivalent embodiment of equivalent variations.Therefore, all It is the content without departing from technical solution of the present invention, technical spirit is made to the above embodiment according to the present invention any simply repaiies Change, equivalent variations and modification, all shall fall within the protection scope of the technical scheme of the invention.

Claims (2)

1. a kind of heat-pump-type tail heat utilization inertial dust collection adverse current dryer, including dryer and air-introduced machine, it is characterised in that;Drying Machine both ends are respectively equipped with draught hood and enter fan housing, and draught hood connects air-introduced machine, and air-introduced machine is through cyclone dust collectors and Zigzag type repeatedly It is emptied after the evaporator of inertial dust separator connection heat pump system;The evaporator of heat pump system connects host, host warp through refrigerant pipe Refrigerant pipe connects condenser;The condensed device in outlet side of air blower is connected into fan housing;There is drive roll and driven in the dryer Roller strap moves sieve plate steel band and passes through, and closed cone bucket is equipped with below sieve plate steel band, aerofoil fan is equipped in cone bucket, opens aerofoil fan Afterwards, air-flow can be forced through sieve plate steel band and its material of top, realize penetration counter-current drying;Sieve plate steel band both ends point Not She You feed hopper and discharge bucket, realize the charging drying of serialization;The air-introduced machine includes draught fan impeller, bearing, fan shaft And shaft coupling, shaft coupling are all made of Screw assembly with fan shaft and draught fan impeller and fan shaft, thread rotary orientation is with work and to hold Carry the direction of auto lock;Draught fan impeller is similar to nut by being threadedly coupled with fan shaft and reversing impeller plain washer, copper-lead Composite pad compresses, and draught fan impeller forms screw thread rigid connection with fan shaft one end;Clip part is inserted in the fan shaft other end, then will Shaft coupling plain washer is inserted in fan shaft, is then threaded into the shaft coupling of similar nut, then rationally all locking, makes clip part and class Like the shaft coupling of nut rigid connection is also constituted with the fan shaft other end;Copper-lead torsion composite pad be punch process at copper Pad, it is outer to be with fin, then in the compound fusible lead alloy washer in copper packing both sides;The clip part is by clip, clip ear, clip Pad and bolt are constituted, and clip section is wedge shape, is made of to opening structure two semicircular ring clip bodies, clip pad opens elliptical aperture to increase Strong axial elasticity, it is planar structure that clip, which pads both ends, and convenient for coordinating with shaft shoulder plane, clip is passed through using bolt on clip ear Hole is assemblied on clip pad and is integrally formed.
2. heat-pump-type tail heat utilization inertial dust collection adverse current dryer according to claim 1, it is characterised in that:It is described Draught fan impeller includes impeller backboard, impeller panel, primary blades and auxiliary blade, and primary blades are flat panel contours and are arranged to impeller Axis radial direction, centrosymmetric emitting shape;Primary blades connect impeller panel and are welded into impeller bodies with impeller backboard;Impeller panel Equipped with air inlet, impeller backboard connects into secured one by welding with primary blades inner edge with wind turbine axle bed, and wind turbine axle bed passes through Axis hole is connected with fan shaft;Wind turbine auxiliary blade constitutes three-legged structure with impeller panel, backboard, primary blades.
CN201610123138.XA 2016-03-05 2016-03-05 A kind of heat-pump-type tail heat utilization inertial dust collection adverse current dryer Active CN105674715B (en)

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Application Number Priority Date Filing Date Title
CN201610123138.XA CN105674715B (en) 2016-03-05 2016-03-05 A kind of heat-pump-type tail heat utilization inertial dust collection adverse current dryer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610123138.XA CN105674715B (en) 2016-03-05 2016-03-05 A kind of heat-pump-type tail heat utilization inertial dust collection adverse current dryer

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2308745Y (en) * 1997-01-21 1999-02-24 曹洪海 Vertical slurry pump
CN2487909Y (en) * 2000-11-23 2002-04-24 季关钰 Anti-theft locking fastening part
CN201269222Y (en) * 2008-10-15 2009-07-08 安徽三联泵业股份有限公司 Valve type water pump impeller stripping ring
CN203784067U (en) * 2014-03-20 2014-08-20 邵传江 Reusable anti-theft bolt
CN105066642A (en) * 2015-08-14 2015-11-18 吉首大学 Heat pump type exhaust heat utilization counterflow dryer
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2308745Y (en) * 1997-01-21 1999-02-24 曹洪海 Vertical slurry pump
CN2487909Y (en) * 2000-11-23 2002-04-24 季关钰 Anti-theft locking fastening part
CN201269222Y (en) * 2008-10-15 2009-07-08 安徽三联泵业股份有限公司 Valve type water pump impeller stripping ring
CN203784067U (en) * 2014-03-20 2014-08-20 邵传江 Reusable anti-theft bolt
CN105066642A (en) * 2015-08-14 2015-11-18 吉首大学 Heat pump type exhaust heat utilization counterflow dryer
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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Inventor after: Zhu Hong

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