CN105021008B - A kind of tail recuperation of heat hot air type penetrates adverse current dryer - Google Patents
A kind of tail recuperation of heat hot air type penetrates adverse current dryer Download PDFInfo
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- CN105021008B CN105021008B CN201510496256.0A CN201510496256A CN105021008B CN 105021008 B CN105021008 B CN 105021008B CN 201510496256 A CN201510496256 A CN 201510496256A CN 105021008 B CN105021008 B CN 105021008B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The invention discloses a kind of tail recuperation of heat hot air type to penetrate adverse current dryer, and drying body chassis both ends are respectively equipped with draught hood and enter fan housing, and draught hood empties after the tangentially connected hot high-efficiency recoverer of cyclone dust removal tail of air-introduced machine；Air blower is connected into fan housing through tubular heat exchanger, steam fin heats device；It is hollow anti-water-drop-shaped that the draught fan impeller, which has blade, and backboard is dish-shaped structure；Air-introduced machine appearance profile line is involute.The present invention is creative integrated by the way that tail recuperation of heat and dedusting are carried out, and designs the hot high-efficiency recoverer of cyclone dust removal tail, reduces equipment investment and also improve operating efficiency；By air-introduced machine, soft spacer and aerofoil fan, the ingenious penetration adverse current that realizes is dried, and improves operating efficiency；Blade is hollow anti-water-drop-shaped, and backboard realizes the real-time cleaning of dust on impeller and increase the impeller intensity of blower fan for the structure of dish, enhances stability and effectively prevents the security incident that dust accumulation triggers, has a extensive future.
Description
Technical field
The present invention relates to a kind of dryer, refer specifically to air-introduced machine will not the tail recuperation of heat hot air type of laying dust penetrate adverse current and dry
Machine.
Background technology
Heated air drier is due to technology maturation, adaptable, operating cost is low, highly reliable, and it is so that material is done to appoint
One of dry main preferred unit, if penetrating and countercurrently drying to material can be realized in hot-air drying process, and to tail
Heat is effectively reclaimed, then for improving drying efficiency and realizing that energy-saving and emission-reduction all have 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 the hydrofuge of dryer, because the occasion that dryer uses all contains certain dust mostly, draws
During blower fan work, air-flow during the draught fan impeller of high speed rotation by that can depart from air-flow phase due to centrifugation, dust granule
And deposit and be attached on draught fan impeller.
Because draught fan impeller rotating speed is general all higher, as long as with the presence of micro dust in air-flow, after working long hours all
More dust can be accumulated, so as to change the balance of draught fan impeller rotation, if draught fan impeller does not have self purification to dust
Also do not clear up in time, will static state cumulative and that draught fan impeller is altered in steps and dynamic equilibrium, so as to produce vibration.
Come off once the dust that running into has part hardened is vibrated, the dynamic rotary away from air-introduced machine will balance, then produce immediately
Judder, this may trigger serious personnel and equipment safety accident.
Therefore, if a kind of centrifugal type draught fan impeller can be designed, automatic cleaning can be carried out and just caused without worry
Dust accumulates, and all has especially important meaning for keeping the reliable and stable work of air-introduced machine and preventing security incident.
The content of the invention
The technical problem to be solved in the present invention is exactly overcome the deficiencies in the prior art, there is provided a kind of simple and practical, energy
The tail recuperation of heat hot air type of dust penetrates adverse current dryer on automatic cleaning draught fan impeller.
For overcome the deficiencies in the prior art, the present invention takes following technical scheme：
A kind of tail recuperation of heat hot air type penetrates adverse current dryer, including drying body chassis and air-introduced machine, it is characterised in that；Dry
Dry box body both ends are respectively equipped with draught hood and enter fan housing, and draught hood connection air-introduced machine, air-introduced machine is tangentially connected to be changed by shell and tube
Emptied after the hot high-efficiency recoverer of cyclone dust removal tail that hot device and cyclone dust collectors are formed by stacking；Tubular heat exchanger shell side inlet end
Air blower is connected, outlet side is connected into fan housing through steam fin heats device；The air-introduced machine includes draught fan impeller and casing, blower fan
Impeller includes impeller backboard, impeller panel and blade, blade arrangement into impeller Axial and radial, centrosymmetric hollow anti-water-drop-shaped,
Impeller backboard is dish；Hollow anti-water-drop-shaped blade connection impeller panel is simultaneously welded to form impeller bodies with dish-shaped impeller backboard；
Impeller panel is provided with air inlet, dish-shaped impeller backboard is fixed by rivet and connection shaft seat, axle bed are entered by axis hole and fan shaft
Row is connected；Casing is provided with air inlet and air outlet, and cabinet form contour line is involute, the round heart of involute and fan shaft
The heart is overlapped, and since on the inside of shell air outlet, line radius is gradually increased involute with involute circle, to shell air outlet outside
Terminate, shell air outlet width is equal to involute circumference；Shell air inlet is provided with cover plate, also has air inlet to be easy to connect on cover plate
Adapter road, and axle center and impeller axis coinciding.
There are drive roll and driven voller to drive sieve plate steel band to pass through in the drying body chassis, sieve plate steel band is by drying body chassis
Be divided into upper case body and lower case body, be provided with upper and lower box body multiple soft spacers being vertically arranged by upper and lower box body every
From into some units, soft spacer gently presses material to block air-flow completely but does not influence material conveying, be provided with unit aerofoil fan and
Upper fan is downward, lower fan is upward.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.
The tangentially connected cyclone dust collectors of drain valve of the steam fin heats device, utilize the higher steam condensate (SC) of temperature
Hydro-peening is carried out to cyclone dust collectors, realizes effective utilization of used heat and waste water.
The sieve plate steel band both ends are respectively equipped with feed hopper and discharge bucket, realize the charging drying of serialization.
The hollow anti-water-drop-shaped blade is combined into by the welding of two panels Curved surface metal, and has symmetrical streamline profile.
The casing is fixed on support.Casing plays sealing process, and air inlet air inlet is rotated by impeller obtains kinetic energy,
And energy conversion is carried out in casing, a part of kinetic energy is converted to the static energy of gas, so makes output gas flow that there is speed to move
Pressure head also has hydrostatic head, and both sums are exactly blower press.
Shell air inlet can connect airduct according to need, and air intake velar plate is detachable, be bolted to connection casing, machine
The scroll casing shape of shell gradually opens profile and meets closed Fan casing, conveying gas while the needs for realizing energy efficient conversion, makes output gas
Stream can reach required flow and total head.
The shell air inlet cover plate is bolted to connection casing, and can dismantle.
When equipment works, Homogeneous charge is carried out by feed hopper, passed through with sieve plate steel band inside dryer, opens aerofoil fan
Afterwards, due to the buffer action of soft spacer, air-flow can only be forced through sieve plate steel band and its material of top, carry out penetration adverse current
Dry；Draught hood connects air-introduced machine air inlet, and damp and hot tail gas is forced between input tubular heat exchanger and cyclone dust collectors
Cavity, the fresh air realized cyclone dust removal and enter heat exchanger shell pass to air blast carry out first step eddy flow heating, and dust is by closing
Wind device exports.
Damp and hot steam after dedusting enters heat exchanger tube pass by eddy flow tedge, is finally discharged from blast pipe, damp-heat water
Vapour carries out second step heating in tube side to the fresh air for entering shell side, and the fresh air after the preheating of two steps enters steam fin
After heater is heated to required temperature, enter dryer by entering fan housing, complete penetration adverse current and dry.
The draught fan impeller of the present invention is in use, because blade design is into hollow anti-water-drop-shaped, and sharf radial center
Symmetrically, thus at a high speed rotate when, blade surface under the action of the centrifugal force have centrifugation self purification, make dust by centrifugation masterpiece
With and can not adhere to, do not interfere with dynamic, the static balancing of impeller thus, will not more accumulate dust；This blade construction
Technical scheme, it is particularly suitable for the big wide impeller air-introduced machine of delivery air amount and uses.
Compared with the impeller backboard of common air-introduced machine, the characteristics of dish-shaped impeller backboard and advantage is：When steel plate thickness is the same
When, dish-shaped backboard is due to rigidity reinforced, stress is scattered, elastic buffer improves and shape stability also greatly improves, thus
Bearing capacity can be enhanced about more than once on the basis of common flat backboard.Because backboard almost carries whole fans loads, so
Dish is made in backboard can be more durable, and the wheel hub of truck is because have disc structure, bearing capacity enhancing, also more
It is durable.
Compared with prior art, beneficial effects of the present invention also reside in：
Tail recuperation of heat and dedusting are carried out into creativeness to integrate, design the hot high-efficiency recoverer of cyclone dust removal tail, returns tail heat
Receive and completed with the step of dedusting one, reduce equipment investment and also improve operating efficiency, realize energy-saving and emission-reduction；Utilize the higher steaming of temperature
Vapour condensed water carries out hydro-peening to cyclone dust collectors, realizes effective utilization of used heat and waste water；Pass through air-introduced machine, soft spacer and axle stream
Fan, the ingenious penetration adverse current for realizing material are dried, improve drying efficiency and speed, also reduce energy consumption.
Blade design is into hollow anti-water-drop-shaped, and sharf radial center is symmetrical, makes its blower fan backboard connected and face
The anti-relative torsion of plate, extruding rigidity are extremely strong, the fracture of fan blade connection backboard root caused by can preventing long-time use.
Blade design is into hollow anti-water-drop-shaped, and sharf radial center is symmetrical, even with relatively thin board making wind
Machine impeller can also obtain higher intensity, ensure stable, reliable use, can save material, be easy to make, be also beneficial to equipment
Light and handyization.
Hollow anti-water-drop-shaped blade has streamline profile, and steadily skimming over property is fabulous for blade air, so fan operation noise
It is especially small, improve working environment.
The present invention by Vanes on Induced Draft Fan ingehious design into hollow anti-water-drop-shaped, and the symmetrical shape of sharf radial center,
The real-time cleaning of dust on blade is realized, the service life of equipment is extended and can effectively prevent the safety that dust accumulation triggers
Accident, have a extensive future.
Brief description of the drawings
Fig. 1 is the planar structure schematic diagram of the present invention
Fig. 2 is the planar structure schematic diagram of draught fan impeller.
Fig. 3 is the cross-sectional view of draught fan impeller.
Fig. 4 is the planar structure schematic diagram of air-introduced machine.
Each label represents in figure：
A, air-introduced machine；1st, cyclone dust collectors；2nd, tangent air inlet；3rd, blast pipe；4th, tubular heat exchanger；5th, tubulation；6、
Eddy flow tedge；7th, wind stopping device；8th, drain valve；9th, air blower；10th, steam fin heats device；11st, drive roll；12nd, feed hopper；
13rd, draught hood；14th, aerofoil fan；15th, soft dividing plate；16th, sieve plate steel band；17th, fan housing is entered；18th, driven roll；19th, discharge bucket；
20th, steam valve；21st, drying body chassis；31st, anti-water-drop-shaped blade；32nd, impeller is cylindrical；33rd, impeller air inlet；34th, axle bed；35、
Rivet；36th, axis hole；37th, dish-shaped impeller backboard；38th, impeller panel；41st, impeller；42nd, shell air inlet；43rd, involute is justified；
44th, support；45th, casing；46th, shell air inlet cover plate；47th, shell air outlet；B, shell air outlet width.
Embodiment
In conjunction with accompanying drawing, the present invention is further elaborated with.
Tail recuperation of heat hot air type penetrates adverse current dryer, including the He of drying body chassis 21 as shown in Figure 1, Figure 2, Figure 3 and Figure 4
Air-introduced machine A, the both ends of drying body chassis 21 are respectively equipped with draught hood 13 and enter fan housing 17, and draught hood 13 connects air-introduced machine A, air-introduced machine
Emptied after the tangentially connected hot high-efficiency recoverers of cyclone dust removal tail being formed by stacking by tubular heat exchanger 4 and cyclone dust collectors 1 of A；
The shell side inlet end of tubular heat exchanger 4 connects air blower 9, and outlet side is connected into fan housing 17 through steam fin heats device 10；It is described
Air-introduced machine A includes draught fan impeller 41 and casing 45, and draught fan impeller 41 includes impeller backboard 37, impeller panel 38 and blade 31, leaf
Piece 31 is arranged to impeller Axial and radial, centrosymmetric hollow anti-water-drop-shaped, and impeller backboard 37 is dish；Hollow anti-water-drop-shaped blade
31 connection impeller panels 38 are simultaneously welded to form impeller bodies with dish-shaped impeller backboard 37；Impeller panel 38 is provided with air inlet 33, dish
Shape impeller backboard 37 is fixed by rivet 35 and connection shaft seat 34, axle bed 34 are connected by axis hole 36 with fan shaft；
Casing 45 is provided with air inlet 42 and air outlet 47, and cabinet form contour line is involute, the round heart of involute and blower fan axle center weight
Close, since the inner side of shell air outlet 47, line radius is gradually increased involute with involute circle, to the outside of shell air outlet 47
Terminate, shell air outlet width B is equal to involute and justifies 43 girths；Shell air inlet 42 is provided with cover plate 46, also has air intake on cover plate
Mouth is easy to connecting pipe, and axle center and impeller axis coinciding.
There are drive roll 11 and driven voller 18 to drive sieve plate steel band 16 to pass through in the drying body chassis, sieve plate steel band 16 will dry
Dry box body 21 is divided into upper case body and lower case body, will provided with multiple soft spacers 15 being vertically arranged in upper and lower box body
Upper and lower box body is isolated into some units, and soft spacer 15 gently presses material to block air-flow completely but do not influence material conveying, in unit
Provided with aerofoil fan 14 and upper fan is downward, lower fan is upward.After opening aerofoil fan 14, air-flow can be forced through sieve plate steel band
16 and its material of top, realize penetration counter-current drying.
The tangentially connected cyclone dust collectors 1 of drain valve 8 of the steam fin heats device 10, it is cold using the higher steam of temperature
Condensate carries out hydro-peening to cyclone dust collectors 1, realizes effective utilization of used heat and waste water.
The both ends of sieve plate steel band 16 are respectively equipped with feed hopper 12 and discharge bucket 19, realize the charging drying of serialization.
The hollow anti-water-drop-shaped blade 31 is combined into by the welding of two panels Curved surface metal, and has symmetrical streamline profile.
The casing 45 is fixed on support 44.Casing 45 plays sealing process, and the air inlet of air inlet 42 is revolved by impeller 41
Turn to obtain kinetic energy, and energy conversion is carried out in casing 45, a part of kinetic energy is converted to the static energy of gas, so makes output gas
There is stream speed dynamic head to also have hydrostatic head, and both sums are exactly blower press.
Shell air inlet 42 can connect airduct according to need, and air intake velar plate 46 is detachable, is bolted to connection machine
Shell 45, the scroll casing shape of casing 45 gradually open profile and meet closed Fan casing, conveying gas while the needs for realizing energy efficient conversion,
Output gas flow is set to reach required flow and total head.
The shell air inlet cover plate 46 is bolted to connection casing 15, and can dismantle.
When equipment works, Homogeneous charge is carried out by feed hopper 12, passed through with sieve plate steel band 16 inside dryer 21, opens axle
After flow fan 14, due to the buffer action of soft spacer 15, air-flow can only be forced through sieve plate steel 16 with and its top material, enter
Row penetration counter-current drying as shown by arrows；Draught hood 13 connects air-introduced machine A air inlets, and damp and hot tail gas is forced into input tubulation
Cavity between formula heat exchanger 4 and cyclone dust collectors 1, realize cyclone dust removal and enter the fresh sky of the shell side of heat exchanger 4 to air blast
Gas carries out first step eddy flow heating, and dust is exported by wind stopping device 7.
Damp and hot steam after dedusting enters heat exchanger tube pass 5 (tubulation) by eddy flow tedge 6, finally from the row of blast pipe 3
Go out, damp and hot steam carries out second step heating in tube side to the fresh air for entering shell side, and the fresh air after the preheating of two steps enters
Enter steam fin heats device 10 be heated to needed for after temperature, enter dryer 21 by entering fan housing 17, complete penetration adverse current and dry
It is dry.
The draught fan impeller of the present invention is in use, because blade design is into hollow anti-water-drop-shaped, and sharf radial center
Symmetrically, thus at a high speed rotate when, blade surface under the action of the centrifugal force have centrifugation self purification, make dust by centrifugation masterpiece
With and can not adhere to, do not interfere with dynamic, the static balancing of impeller thus, will not more accumulate dust；This blade construction
Technical scheme, it is particularly suitable for the big wide impeller air-introduced machine of delivery air amount and uses.
Compared with the impeller backboard of common air-introduced machine, the characteristics of dish-shaped impeller backboard 37 and advantage is：When steel plate thickness one
During sample, dish-shaped backboard is due to rigidity reinforced, stress is scattered, elastic buffer improves and shape stability also greatly improves, because
And bearing capacity can be enhanced about more than once on the basis of common flat backboard.Because backboard almost carries whole fans loads, institute
Dish is made with backboard can be more durable, and the wheel hub of truck is because have disc structure, bearing capacity enhancing, also more
Add durable.
Above-mentioned simply presently preferred embodiments of the present invention, not makees any formal limitation to the present invention.It is any to be familiar with sheet
The technical staff in field, in the case where not departing from technical solution of the present invention scope, 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, it is all
It is the content without departing from technical solution of the present invention, any is simply repaiied to made for any of the above embodiments according to the technology of the present invention essence
Change, equivalent variations and modification, all should fall in the range of technical solution of the present invention protection.
Claims (5)
1. a kind of tail recuperation of heat hot air type penetrates adverse current dryer, including drying body chassis and air-introduced machine, it is characterised in that；Drying
Box body both ends are respectively equipped with draught hood and enter fan housing, and draught hood connection air-introduced machine, air-introduced machine is tangentially connected to be exchanged heat by shell and tube
Emptied after the hot high-efficiency recoverer of cyclone dust removal tail that device and cyclone dust collectors are formed by stacking；Tubular heat exchanger shell side inlet end connects
Air blower is connect, outlet side is connected into fan housing through steam fin heats device；The air-introduced machine includes draught fan impeller and casing, blower fan leaf
Wheel includes impeller backboard, impeller panel and blade, and blade arrangement is into impeller Axial and radial, centrosymmetric hollow anti-water-drop-shaped, leaf
Backboard is taken turns as dish；Hollow anti-water-drop-shaped blade connection impeller panel is simultaneously welded to form impeller bodies with dish-shaped impeller backboard；Leaf
Take turns panel and simultaneously connection shaft seat is fixed by rivet provided with air inlet, dish-shaped impeller backboard, axle bed is carried out by axis hole and fan shaft
It is connected；Casing is provided with air inlet and air outlet, and cabinet form contour line is involute, the round heart of involute and blower fan axle center
Overlap, since on the inside of shell air outlet, line radius is gradually increased involute with involute circle, is tied to shell air outlet outside
Beam, shell air outlet width are equal to involute circumference；Shell air inlet is provided with cover plate, also has air inlet to be easy to connect on cover plate
Pipeline, and axle center and impeller axis coinciding；There are drive roll and driven voller to drive sieve plate steel band to pass through in the drying body chassis, sieve
Drying body chassis are divided into upper case body and lower case body by slab band, be provided with upper and lower box body it is multiple be vertically arranged it is soft
Upper and lower box body is isolated into some units by dividing plate, and soft spacer gently presses material to block air-flow completely but do not influence material conveying, single
Aerofoil fan is provided with first and upper fan is downward, lower fan is upward；The tangentially connected rotation of drain valve of the steam fin heats device
Wind deduster.
2. tail recuperation of heat hot air type penetrates adverse current dryer according to claim 1, it is characterised in that：The sieve plate steel band two
End is respectively equipped with feed hopper and discharge bucket, realizes the charging drying of serialization.
3. tail recuperation of heat hot air type according to claim 1 or claim 2 penetrates adverse current dryer, it is characterised in that：It is described hollow anti-
Water-drop-shaped blade is combined into by the welding of two panels Curved surface metal, and has symmetrical streamline profile.
4. tail recuperation of heat hot air type according to claim 1 or claim 2 penetrates adverse current dryer, it is characterised in that：The casing is consolidated
It is scheduled on support.
5. tail recuperation of heat hot air type according to claim 1 or claim 2 penetrates adverse current dryer, it is characterised in that：The casing enters
Air port cover plate is bolted to connection casing, and can dismantle.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510496256.0A CN105021008B (en) | 2015-08-14 | 2015-08-14 | A kind of tail recuperation of heat hot air type penetrates adverse current dryer |
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| CN201510496256.0A CN105021008B (en) | 2015-08-14 | 2015-08-14 | A kind of tail recuperation of heat hot air type penetrates adverse current dryer |
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| CN105021008B true CN105021008B (en) | 2018-02-09 |
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Families Citing this family (1)
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| CN105651029B (en) * | 2016-03-05 | 2018-06-08 | 湖南省农友机械集团有限公司 | A kind of tail heat utilization inertia catches dirt hot air type and penetrates adverse current dryer |
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| FR551607A (en) * | 1921-08-30 | 1923-04-10 | Anciens Etablissements Grouvel | Blade for centrifugal fan impeller |
| SU889899A1 (en) * | 1980-03-31 | 1981-12-15 | Запорожский Ордена Октябрьской Революции И Ордена Трудового Красного Знамени Автомобильный Завод "Коммунар" | Fan impeller |
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| CN103471373A (en) * | 2013-10-09 | 2013-12-25 | 吉首大学 | Penetrating type reverse-flow drying device |
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| CN105021008A (en) | 2015-11-04 |
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