CN104990393B - A kind of tail heat utilization sieve aperture turnover plate type drying machine - Google Patents
A kind of tail heat utilization sieve aperture turnover plate type drying machine Download PDFInfo
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- CN104990393B CN104990393B CN201510496329.6A CN201510496329A CN104990393B CN 104990393 B CN104990393 B CN 104990393B CN 201510496329 A CN201510496329 A CN 201510496329A CN 104990393 B CN104990393 B CN 104990393B
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- air
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- sieve aperture
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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 heat utilization sieve aperture turnover plate type drying machine, dry box body and conveyed provided with top-down sieve aperture turnover plate type；Dry box body and be divided into the dry section of upper, middle and lower three；Upper dry section is emptied after connecting air-introduced machine through air heat exchanger, the Fresh air vent connection blower inlet of air heat exchanger, the steam fin heats device in blower outlet connection in dry section；There is the draught fan impeller blade to be hollow wedge, and backboard is dish-shaped structure；Air-introduced machine appearance profile line is involute.Tail heat utilization of the present invention is succinctly reasonable, is discharged by the damp and hot tail gas of recuperation of heat by air-introduced machine, carries out effectively cooling and further tail heat utilization to completing dry material, promotes energy-saving and emission-reduction；Blade is hollow wedge, and backboard realizes the real-time cleaning of dust 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 drying machine, refer specifically to air-introduced machine will not laying dust tail heat utilization sieve aperture turnover plate type drying machine.
Background technology
Air drier is low, highly reliable due to technology maturation, adaptable, operating cost, as dry materials
One of preferred unit.Sieve aperture turnover plate type drying machine is one kind of air drier, especially strong with simple in construction, working ability
Feature, and due to material, successively blanking is overturn in the process of running, thus the product quality dried is especially uniform reliable.Sieve aperture
Turnover plate type drying machine needs constantly to discharge damp and hot tail gas in the drying process to promote drying process, due to being rich in emission
A large amount of tail heat, so need to enter tail gas end of line heat utilization operation, thus the tail heat utilization design optimized has important meaning
Justice.
Air-introduced machine is the key equipment of sieve aperture turnover plate type drying machine hydrofuge, and air-introduced machine is generally centrifugal blower, air-introduced machine
Continuously, stably, reliably working it is very crucial to drying machine hydrofuge, the occasion used due to drying machine all contains certain powder mostly
Dirt, when air-introduced machine works, because centrifugation, dust granule can depart from gas during the draught fan impeller that air-flow is rotated by high speed
Stream is mutually deposited and is 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 just without worrying to cause
Dust is accumulated, 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 to overcome the deficiencies in the prior art there is provided a kind of simple and practical, energy
The tail heat utilization sieve aperture turnover plate type drying machine of dust on automatic cleaning draught fan impeller.
To overcome the deficiencies in the prior art, the present invention takes following technical scheme：
A kind of tail heat utilization sieve aperture turnover plate type drying machine, including dry box body and air-introduced machine, it is characterised in that；Drying machine
Casing constitutes top-down sieve aperture turnover plate type conveying provided with driving wheel, follower and stainless steel sieve plate；Dry has in box body
Median septum and lower clapboard are divided into the dry section of upper, middle and lower three by box body is dried；Upper dry section connects air inducing through air heat exchanger
Emptied after machine, air heat exchanger inlet end connection air, outlet side connects blower inlet through airduct, and blower outlet connects
Connect the steam fin heats device in dry section；The air-introduced machine includes draught fan impeller and casing, and draught fan impeller is carried on the back including impeller
Plate, impeller panel and blade, blade arrangement is into impeller Axial and radial, centrosymmetric hollow wedge, and impeller backboard is dish；It is hollow
Wedge blade connects impeller panel and is welded to form impeller bodies with dish-shaped impeller backboard；Impeller panel is provided with air inlet, dish
Impeller backboard is fixed and connection shaft seat by rivet, and axle bed is connected by axis hole with fan shaft；Casing is provided with air intake
Mouthful and air outlet, cabinet form contour line is involute, the round heart of involute and blower fan axis coinciding, and involute is from casing air-out
Intraoral side starts, and line radius is gradually increased with involute circle, terminates to shell air outlet outside, shell air outlet width is equal to
Involute circumference；Shell air inlet, which is provided with cover plate, cover plate, also has air inlet to be easy to connecting pipe, and axle center and impeller axle center
Overlap.
The lower dry section is linked back air blower through airduct, further realizes tail heat utilization.
The dry box body is provided with feed hopper and discharge bucket, realizes the charging drying of serialization.
The casing is fixed on support.Casing plays sealing process, and air inlet air inlet obtains kinetic energy by impeller rotation,
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, is bolted to connection casing, machine
The scroll casing shape of shell gradually open profile meet Fan casing it is closed, conveying gas and meanwhile realize energy efficient change the need for, make output gas
Flow and total head needed for stream can reach.
The shell air inlet cover plate is bolted to connection casing, and can dismantle.
When equipment works, the damp and hot tail gas in upper dry section is attracted by air-introduced machine, from bottom to top through air heater, with
Emptied after the fresh air heat exchange passed through from right to left；Middle dry section is blasted by air blower after fresh air is preheated, by fin
Steam heater is reheated, and reaches required temperature.
Through fin steam heater heat after high-temperature gas centering dry section carry out heated-air drying, middle dry section air-flow by
From left to right carries out air-flow through dry materials are carried out, by median septum termination and turned back, and from right to left through upper dry section, thus has foot
The enough time carries out material high-efficiency drying with path.
Material needs cooling to meet processing and storage request after drying, therefore by flow of cooled air by dextrad
A left side is cooled down through lower dry section to material, is also that material is dried once again using waste heat, the waste heat gas of lower dry section can
It is linked back air blower by airduct, further realizes waste heat recovery.
The draught fan impeller of the present invention is in use, because blade design is into hollow wedge, and sharf radial center is symmetrical,
When thus rotating at a high speed, blade surface has centrifugation self purification under the action of the centrifugal force, makes dust by centrifugal action
It can not adhere to, dynamic, the static balancing of impeller not interfered with thus, dust will not be more accumulated；The technology of this blade construction
Scheme, 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 is improved and shape stability is also greatly improved, 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 with disc structure, bearing capacity strengthens, also more
It is durable.
Compared with prior art, beneficial effects of the present invention are also resided in：
Tail heat utilization is succinctly reasonable, is discharged by the damp and hot tail gas of recuperation of heat by air-introduced machine, to completing dry material
Effectively cooling and further tail heat utilization are carried out, promotes energy-saving and emission-reduction；The suitable water evaporation quantity of sieve aperture turnover plate type drying machine is smaller,
But the higher dry materials of the uniformity.
Blade design is into hollow wedge, and sharf radial center is symmetrical, the blower fan backboard that it is connected is resisted with panel
Relative torsion, extruding rigidity are extremely strong, can prevent the fracture for a long time using the fan blade connection backboard root caused.
Blade design is into hollow wedge, and sharf radial center is symmetrical, even with relatively thin board making blower fan leaf
Wheel can also obtain higher intensity, it is ensured that stablize, reliably use, can save material, be easy to make, be also beneficial to the light of equipment
Skilfulization.
The present invention is by Vanes on Induced Draft Fan ingehious design into hollow wedge, and the symmetrical shape of sharf radial center is realized
The real-time cleaning of dust on blade, extends the service life of equipment and can effectively prevent the safe thing that dust accumulation triggers
Therefore, 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 is represented in figure：
A, air-introduced machine；C, D are turnover panel blanking position；1st, feed hopper；2nd, sieve aperture turnover panel is conveyed；3rd, box body is dried；4、
Air heat exchanger；5th, air blower；6th, steam fin heats device；7th, central dividing plate；8th, lower clapboard；9th, base spacer；10th, 11 be wind
Pipe；31st, Wedge blade；32nd, impeller is cylindrical；33rd, impeller air inlet；34th, axle bed；35th, 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, casing enters
Air port 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 heat utilization sieve aperture turnover plate type drying machine, including dry box body 3 and air inducing as shown in Figure 1, Figure 2, Figure 3 and Figure 4
Machine A, dries box body 3 and constitutes top-down sieve aperture turnover plate type conveying 2 provided with driving wheel, follower and stainless steel sieve plate；It is dry
It is the dry section of upper, middle and lower three to have central dividing plate 7 and lower clapboard 8 to dry 3 points of box body in dry box body 3；Upper dry section warp
Emptied after the connection air-introduced machine of air heat exchanger 4 A, the inlet end of air heat exchanger 4 connection air, outlet side connects air blast through airduct 11
The air inlet of machine 5, the steam fin heats device 6 in the connection of the air outlet of air blower 5 in dry section；The air-introduced machine includes draught fan impeller
41 and casing 45, draught fan impeller 41 includes impeller backboard, impeller panel 38 and blade 31, blade 31 be arranged to impeller Axial and radial,
Centrosymmetric hollow wedge, impeller backboard is dish；The connection impeller of hollow wedge blade 31 panel 38 is simultaneously carried on the back with dish-shaped impeller
Plate 37 is welded to form impeller bodies；Impeller panel 38 is fixed and connected by rivet 35 provided with air inlet 33, dish-shaped impeller backboard 37
Spindle seat 34, axle bed 34 is connected by axis hole 36 and fan shaft；Casing 45 is provided with air inlet 42 and air outlet 47, machine
Shell appearance profile line is involute, the round heart of involute and blower fan axis coinciding, involute since the inner side of shell air outlet 47,
Line radius is gradually increased with involute circle, is terminated to the outside of shell air outlet 47, shell air outlet width B justifies equal to involute
43 girths；Shell air inlet 42, which is provided with cover plate 46, cover plate, also has air inlet to be easy to connecting pipe, and axle center and impeller axle center weight
Close.
The lower dry section is linked back air blower 5 through airduct 10, further realizes tail heat utilization.
The dry box body is provided with feed hopper 1 and discharge bucket, realizes the charging drying of serialization.
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 the progress energy conversion 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 meet that Fan casing is closed, conveying gas while realizing that energy efficient is changed the need for,
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, the damp and hot tail gas in upper dry section is attracted by air-introduced machine A, from bottom to top through air heater 4,
With pass through from right to left fresh air heat exchange after empty；Middle dry section is blasted by air blower 5 after fresh air is preheated, by wing
Piece steam heater 6 is reheated, and reaches required temperature.
High-temperature gas centering dry section after being heated through fin steam heater 6 carries out heated-air drying, middle dry section air-flow
From left to right through dry materials are carried out, air-flow is carried out by the termination of median septum 7 and turned back, from right to left through upper dry section, thus
There is time enough with path to carry out material high-efficiency drying.
Material needs cooling to meet processing and storage request after drying, therefore by flow of cooled air by dextrad
A left side is cooled down through lower dry section to material, is also that material is dried once again using waste heat, the waste heat gas of lower dry section can
It is linked back air blower 5 by airduct 10, further realizes waste heat recovery.
The draught fan impeller of the present invention is in use, because blade design is into hollow wedge, and sharf radial center is symmetrical,
When thus rotating at a high speed, blade surface has centrifugation self purification under the action of the centrifugal force, makes dust by centrifugal action
It can not adhere to, dynamic, the static balancing of impeller not interfered with thus, dust will not be more accumulated；The technology of this blade construction
Scheme, 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 is improved and shape stability is also greatly improved, 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 with disc structure, bearing capacity strengthens, also more
Plus it is 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 variations and modification are made to technical solution of the present invention, or is 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 heat utilization sieve aperture turnover plate type drying machine, including dry box body and air-introduced machine, it is characterised in that；Dry cabinet
Body constitutes top-down sieve aperture turnover plate type conveying provided with driving wheel, follower and stainless steel sieve plate；Dry in having in box body
Dividing plate and lower clapboard are divided into the dry section of upper, middle and lower three by box body is dried；Upper dry section connects air-introduced machine through air heat exchanger
After empty, air heat exchanger inlet end connection air, outlet side through airduct connect blower inlet, blower outlet connection
Steam fin heats device in middle dry section；The air-introduced machine include draught fan impeller and casing, draught fan impeller include impeller backboard,
Impeller panel and blade, blade arrangement is into impeller Axial and radial, centrosymmetric hollow wedge, and impeller backboard is dish；Hollow wedge
Shape blade connects impeller panel and is welded to form impeller bodies with dish-shaped impeller backboard；Impeller panel is provided with air inlet, dish-shaped leaf
Take turns backboard to fix by rivet and connection shaft seat, axle bed is connected by axis hole with fan shaft；Casing is provided with air inlet
And air outlet, cabinet form contour line is involute, the round heart of involute and blower fan axis coinciding, and involute is from shell air outlet
Inner side starts, and line radius is gradually increased with involute circle, terminates to shell air outlet outside, shell air outlet width is equal to gradually
Burst at the seams circumference；Shell air inlet, which is provided with cover plate, cover plate, also has air inlet to be easy to connecting pipe, and axle center and impeller axle center weight
Close.
2. tail heat utilization sieve aperture turnover plate type drying machine according to claim 1, it is characterised in that：The lower dry section is through airduct
Be linked back air blower.
3. tail heat utilization sieve aperture turnover plate type drying machine according to claim 1 or claim 2, it is characterised in that：The dry box body
Provided with feed hopper and discharge bucket, the charging drying of serialization is realized.
4. tail heat utilization sieve aperture turnover plate type drying machine according to claim 1 or claim 2, it is characterised in that：The casing is fixed on
On support.
5. tail heat utilization sieve aperture turnover plate type drying machine according to claim 1 or claim 2, it is characterised in that：The shell air inlet
Cover plate is bolted to connection casing, and can dismantle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510496329.6A CN104990393B (en) | 2015-08-14 | 2015-08-14 | A kind of tail heat utilization sieve aperture turnover plate type drying machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510496329.6A CN104990393B (en) | 2015-08-14 | 2015-08-14 | A kind of tail heat utilization sieve aperture turnover plate type drying machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104990393A CN104990393A (en) | 2015-10-21 |
| CN104990393B true CN104990393B (en) | 2017-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510496329.6A Active CN104990393B (en) | 2015-08-14 | 2015-08-14 | A kind of tail heat utilization sieve aperture turnover plate type drying machine |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105716402B (en) * | 2016-03-05 | 2018-11-16 | 罗军 | Tail heat utilization sieve pore turnover plate type drying machine |
| CN105698511B (en) * | 2016-03-05 | 2018-04-17 | 安徽中节节能环保科技股份有限公司 | Tail heat utilization inertial dust collection sieve aperture turnover plate type drying machine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR551607A (en) * | 1921-08-30 | 1923-04-10 | Anciens Etablissements Grouvel | Blade for centrifugal fan impeller |
| CN201810564U (en) * | 2010-09-07 | 2011-04-27 | 刘忠宜 | Centrifugal fan capable of axial air inlet and outlet |
| CN103575077A (en) * | 2013-11-07 | 2014-02-12 | 浙江大学 | Multi-layer belt type drying system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS599120Y2 (en) * | 1975-11-19 | 1984-03-22 | サタケ トシヒコ | windmill safety device |
| CN101650119A (en) * | 2009-03-26 | 2010-02-17 | 张勤英 | Device for recovering waste heat of powder drying tower |
| CN103344105B (en) * | 2013-06-14 | 2016-04-27 | 无锡小天鹅股份有限公司 | Dryer |
| CN103822455A (en) * | 2014-02-21 | 2014-05-28 | 泰山石膏股份有限公司 | Heat recovery system of gypsum board drying exhaust steam filling tower |
-
2015
- 2015-08-14 CN CN201510496329.6A patent/CN104990393B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR551607A (en) * | 1921-08-30 | 1923-04-10 | Anciens Etablissements Grouvel | Blade for centrifugal fan impeller |
| CN201810564U (en) * | 2010-09-07 | 2011-04-27 | 刘忠宜 | Centrifugal fan capable of axial air inlet and outlet |
| CN103575077A (en) * | 2013-11-07 | 2014-02-12 | 浙江大学 | Multi-layer belt type drying system |
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| CN104990393A (en) | 2015-10-21 |
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Inventor after: Wang Lin Inventor before: Yang Zhenghua |
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Effective date of registration: 20170816 Address after: 238200, Anhui, Ma'anshan county and the West town of South cross junction Applicant after: HE COUNTY YIMAI COAL INDUSTRY CO., LTD. Address before: 416000 Hunan, Xiangxi Tujia and Miao Autonomous Prefecture, Jishou City People's road, No. 120 Applicant before: Jishou University |
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