CN105066628A - Tail heat recovery screen hole plate turnover type dryer - Google Patents
Tail heat recovery screen hole plate turnover type dryer Download PDFInfo
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- CN105066628A CN105066628A CN201510497145.1A CN201510497145A CN105066628A CN 105066628 A CN105066628 A CN 105066628A CN 201510497145 A CN201510497145 A CN 201510497145A CN 105066628 A CN105066628 A CN 105066628A
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- air
- impeller
- drying machine
- casing
- 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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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a tail heat recovery screen hole plate turnover type dryer. Screen hole plate turnover type conveying from top to bottom is adopted in a box of the dryer, and the box of the dryer is divided into an upper drying area, a middle drying area and a lower drying area. The upper drying area is connected with an inducted draft fan through an air heat exchanger and then emptied. A fresh air outlet of the air heat exchanger is connected with an air inlet of an air blower, and an air outlet of the air blower is connected with a steam fin heater in the middle drying area. An impeller of the induced draft fan is of the structure that blades are in a hollow inverted drop shape, and the contour line of the appearance of the induced draft fan is an involute. Tail heat recovery is simple and reasonable, damp and hot tail gas obtained through heat recovery is exhausted out of the induced draft fan, dried materials are effectively cooled, tail heat recovery is further conducted, and energy saving and emission reduction are promoted. Through the structure that the blades are in the hollow inverted drop shape, dust is cleaned away in real time, the impeller strength of the fan is increased, stability is increased, safety accidents caused by dust accumulation are effectively eradicated, and the application prospect is wide.
Description
Technical field
The present invention relates to a kind of drying machine, the concrete blower fan that guides can not the tail recuperation of heat sieve aperture turnover plate type drying machine of laying dust.
Background technology
Air drier due to technology maturation, adaptable, operating cost is low, reliability is strong, one of preferred unit becoming dry materials.Sieve aperture turnover plate type drying machine is the one of air drier, has the advantages that structure is simple, working ability is strong especially, and due to material successively blanking upset in running, thus dry product quality is especially evenly reliable.Sieve aperture turnover plate type drying machine needs constantly to discharge damp and hot tail gas to promote dry process in dry run, owing to being rich in a large amount of tail heat in emission, so need to carry out tail heat recovery operation to tail gas, the tail recuperation of heat great significance for design be thus optimized.
Air-introduced machine is the key equipment of sieve aperture turnover plate type drying machine hydrofuge; air-introduced machine is generally centrifugal blower; air-introduced machine continuous, stable, reliably working is very crucial to drying machine hydrofuge; the occasion used due to drying machine 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.
Because 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.
Therefore, if can a kind of centrifugal type draught fan impeller be designed, Automatic clearance can be carried out and just do not worry causing dust accumulation, for keeping the reliable and stable work of air-introduced machine 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 simple and practical, the tail recuperation of heat sieve aperture turnover plate type drying machine of dust on energy Automatic clearance draught fan impeller.
For overcoming the deficiencies in the prior art, the present invention takes following technical scheme:
A kind of tail recuperation of heat sieve aperture turnover plate type drying machine, comprises drying machine casing and air-introduced machine, it is characterized in that; Drying machine casing is provided with driving wheel, follower and stainless steel sieve plate and forms the conveying of top-down sieve aperture turnover plate type; Median septum and lower clapboard is had drying machine casing to be divided into three, upper, middle and lower dry section in drying machine casing; Upper dry section connects after air-introduced machine emptying through air heat exchanger, and air heat exchanger inlet end is communicated with air, and outlet side connects blower inlet through airduct, the steam fin heats device during blower outlet connects in dry section; Described air-introduced machine comprises draught fan impeller and casing, and draught fan impeller comprises impeller backboard, impeller panel and blade, and blade arrangement becomes impeller Axial and radial, the anti-water-drop-shaped of centrosymmetric hollow; The anti-water-drop-shaped blade of hollow connects impeller panel and is welded to form impeller bodies with impeller backboard; Impeller panel is provided with air inlet, impeller backboard by the fixing also connection shaft seat of rivet, and axle bed is connected by axis hole and fan shaft; Casing is provided with air inlet and air outlet, cabinet form outline line is involute, the round heart of involute and blower fan axis coinciding, involute is from inside shell air outlet, line radius strengthens gradually with involute circle, terminate outside shell air outlet, shell air outlet width equals involute circumference; Shell air inlet is provided with cover plate, cover plate also has air inlet be convenient to connecting pipe, and axle center and impeller axis coinciding.
Described lower dry section to be linked back air blast through airduct, realizes tail recuperation of heat further.
Described drying machine casing is provided with feed hopper and discharge bucket, and the charging realizing serialization is dry.
The anti-water-drop-shaped blade of described hollow is synthesized by two panels Curved surface metal soldering group, and has symmetrical streamline profile.
Described casing is fixed on support.Casing plays sealing process, air inlet air inlet obtains kinetic energy by vane rotary, and carries out power conversion in casing, and a part of kinetic energy is converted to the static energy of gas, make output gas flow have speed dynamic head like this and also have hydrostatic head, both sums are exactly blower press.
Shell air inlet can connect airduct according to need, air inlet cover plate is detachable, be bolted to connection casing, the scroll casing shape of casing is gradually opened profile and is met the needs that Fan casing is airtight, conveying gas realizes energy efficient conversion simultaneously, makes output gas flow can reach required flow and total head.
Described shell air inlet cover plate is bolted to connection casing, and can dismantle.
During equipment work, the damp and hot tail gas in upper dry section attracts by air-introduced machine, from bottom to top through air heater, with emptying after the fresh air heat exchange passed through from right to left; Fresh air blasts middle dry section by air blast after preheating, is heated by fin steam heater again, reaches temperature required.
High-temperature gas centering dry section after the heating of fin steam heater carries out heated-air drying, middle dry section air-flow is from left to right through carrying out dry materials, carry out air-flow by median septum termination to turn back, from right to left through upper dry section, thus there are time enough and path to carry out material high-efficiency drying.
Material needs cooling could meet processing and storage request after super-dry, therefore through lower dry section, material is cooled from right to left by flow of cooled air, also be utilize waste heat dry once again to material, the waste heat gas of lower dry section can be linked back air blast by airduct, realizes waste heat recovery further.
When draught fan impeller of the present invention uses, because blade design becomes the anti-water-drop-shaped of hollow, and sharf radial center is symmetrical, thus during High Rotation Speed, blade surface has centrifugal self purification under centrifugal action, make dust be subject to centrifugal action and cannot adhere to, dynamic, the static balancing of impeller would not be affected like this, more can not accumulate dust; The technical scheme of this blade construction, the wide impeller air-introduced machine being particularly suitable for delivery air amount large adopts.
Compared with prior art, beneficial effect of the present invention is also:
Tail recuperation of heat is succinctly reasonable, and the damp and hot tail gas through recuperation of heat is discharged by air-introduced machine, carrying out effective cooling and further tail recuperation of heat, promoting energy-saving and emission-reduction to completing dry material; It is less that sieve aperture turnover plate type drying machine is applicable to water evaporation quantity, but the dry materials that the uniformity is higher.
Blade design becomes the anti-water-drop-shaped of hollow, and sharf radial center is symmetrical, and the blower fan backboard making it connect and the anti-relative torsion of panel, to extrude rigidity extremely strong, can stop to use the fan blade caused to connect the fracture of backboard root for a long time.
Blade design becomes the anti-water-drop-shaped of hollow, and sharf radial center is symmetrical, even also can obtain higher intensity with thinner board making draught fan impeller, ensures to stablize, reliably use, can save material, be convenient to make, be also conducive to light and handyization of equipment.
The anti-water-drop-shaped blade of hollow has streamline profile, and blade air steadily skimming over property is fabulous, so fan operation noise is little especially, improves working environment.
Vanes on Induced Draft Fan ingehious design is become the anti-water-drop-shaped of hollow by the present invention, and the shape of sharf radial center symmetry, achieve the real-time cleaning of dust on blade, extend the security incident also effectively stopping dust accumulation initiation service life of equipment, have a extensive future.
Accompanying drawing explanation
Fig. 1 is 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.
In figure, each label represents:
A, air-introduced machine; C, D are turnover panel blanking position; 1, feed hopper; 2, sieve aperture turnover panel conveying; 3, drying machine casing; 4, air heat exchanger; 5, air blast; 6, steam fin heats device; 7, central dividing plate; 8, lower clapboard; 9, base spacer; 10,11 airduct is; 31, anti-water-drop-shaped blade; 32, impeller cylindrical; 33, impeller air inlet; 34, axle bed; 35, rivet; 36, axis hole; 37, impeller backboard; 38, impeller panel; 41, impeller; 42, shell air inlet; 43, involute circle; 44, support; 45, casing; 46, shell air inlet cover plate; 47, shell air outlet; B, shell air outlet width.
Detailed description of the invention
Now by reference to the accompanying drawings, the present invention is illustrated further.
Tail recuperation of heat sieve aperture turnover plate type drying machine as shown in Figure 1, Figure 2, Figure 3 and Figure 4, comprises drying machine casing 3 and air-introduced machine A, and drying machine casing 3 is provided with driving wheel, follower and stainless steel sieve plate and forms top-down sieve aperture turnover plate type conveying 2; Median septum 7 and lower clapboard 8 is had drying machine casing 3 to be divided into three, upper, middle and lower dry section in drying machine casing 3; Upper dry section connects after air-introduced machine A emptying through air heat exchanger 4, and air heat exchanger 4 inlet end is communicated with air, and outlet side connects air blast 5 air inlet through airduct 11, the steam fin heats device 6 during air blast 5 air outlet connects in dry section; Described air-introduced machine comprises draught fan impeller 41 and casing 45, and draught fan impeller 41 comprises impeller backboard 37, impeller panel 38 and blade 31, and blade 31 is arranged to impeller Axial and radial, the anti-water-drop-shaped of centrosymmetric hollow; The anti-water-drop-shaped blade 31 of hollow connects impeller panel 38 and is welded to form impeller bodies with impeller backboard 37; Impeller panel 38 is provided with air inlet 33, impeller backboard 37 by the fixing also connection shaft seat 34 of rivet 35, and axle bed 34 is connected by axis hole 36 and fan shaft; Casing 45 is provided with air inlet 42 and air outlet 47, cabinet form outline line is involute, the round heart of involute and blower fan axis coinciding, involute is from inside shell air outlet 47, line radius strengthens gradually with involute circle, terminate outside shell air outlet 47, shell air outlet width B equals involute circle 43 girths; Shell air inlet 42 is provided with cover plate 46, cover plate also has air inlet be convenient to connecting pipe, and axle center and impeller axis coinciding.
Described lower dry section to be linked back air blast 5 through airduct 10, realizes tail recuperation of heat further.
Described drying machine casing is provided with feed hopper 1 and discharge bucket, and the charging realizing serialization is dry.
The anti-water-drop-shaped blade 31 of described hollow is synthesized by two panels Curved surface metal soldering group, and has symmetrical streamline profile.
Described casing 45 is fixed on support 44.Casing 45 plays sealing process, air inlet 42 air inlet is rotated by impeller 41 and obtains kinetic energy, and carries out power conversion in casing 45, and a part of kinetic energy is converted to the static energy of gas, make output gas flow have speed dynamic head like this and also have hydrostatic head, both sums are exactly blower press.
Shell air inlet 42 can connect airduct according to need, air inlet cover plate 46 is detachable, be bolted to connection casing 45, the scroll casing shape of casing 45 is gradually opened profile and is met the needs that Fan casing is airtight, conveying gas realizes energy efficient conversion simultaneously, makes output gas flow can reach required flow and total head.
Described shell air inlet cover plate 46 is bolted to connection casing 15, and can dismantle.
During equipment work, the damp and hot tail gas in upper dry section attracts by air-introduced machine A, from bottom to top through air heater 4, with emptying after the fresh air heat exchange passed through from right to left; Fresh air blasts middle dry section by air blast 5 after preheating, is heated by fin steam heater 6 again, reaches temperature required.
High-temperature gas centering dry section after fin steam heater 6 heats carries out heated-air drying, middle dry section air-flow is from left to right through carrying out dry materials, carry out air-flow by median septum 7 termination to turn back, from right to left through upper dry section, thus there are time enough and path to carry out material high-efficiency drying.
Material needs cooling could meet processing and storage request after super-dry, therefore through lower dry section, material is cooled from right to left by flow of cooled air, also be utilize waste heat dry once again to material, the waste heat gas of lower dry section can be linked back air blast 5 by airduct 10, realizes waste heat recovery further.
When draught fan impeller of the present invention uses, because blade design becomes the anti-water-drop-shaped of hollow, and sharf radial center is symmetrical, thus during High Rotation Speed, blade surface has centrifugal self purification under centrifugal action, make dust be subject to centrifugal action and cannot adhere to, dynamic, the static balancing of impeller would not be affected like this, more can not accumulate dust; The technical scheme of this blade construction, the wide impeller air-introduced machine being particularly suitable for delivery air amount large adopts.
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 (6)
1. a tail recuperation of heat sieve aperture turnover plate type drying machine, comprises drying machine casing and air-introduced machine, it is characterized in that; Drying machine casing is provided with driving wheel, follower and stainless steel sieve plate and forms the conveying of top-down sieve aperture turnover plate type; Median septum and lower clapboard is had drying machine casing to be divided into three, upper, middle and lower dry section in drying machine casing; Upper dry section connects after air-introduced machine emptying through air heat exchanger, and air heat exchanger inlet end is communicated with air, and outlet side connects blower inlet through airduct, the steam fin heats device during blower outlet connects in dry section; Described air-introduced machine comprises draught fan impeller and casing, and draught fan impeller comprises impeller backboard, impeller panel and blade, and blade arrangement becomes impeller Axial and radial, the anti-water-drop-shaped of centrosymmetric hollow; The anti-water-drop-shaped blade of hollow connects impeller panel and is welded to form impeller bodies with impeller backboard; Impeller panel is provided with air inlet, impeller backboard by the fixing also connection shaft seat of rivet, and axle bed is connected by axis hole and fan shaft; Casing is provided with air inlet and air outlet, cabinet form outline line is involute, the round heart of involute and blower fan axis coinciding, involute is from inside shell air outlet, line radius strengthens gradually with involute circle, terminate outside shell air outlet, shell air outlet width equals involute circumference; Shell air inlet is provided with cover plate, cover plate also has air inlet be convenient to connecting pipe, and axle center and impeller axis coinciding.
2. tail recuperation of heat sieve aperture turnover plate type drying machine according to claim 1, is characterized in that: described lower dry section to be linked back air blast through airduct.
3. tail recuperation of heat sieve aperture turnover plate type drying machine according to claim 1 or 2, is characterized in that: described drying machine casing is provided with feed hopper and discharge bucket, and the charging realizing serialization is dry.
4. tail recuperation of heat sieve aperture turnover plate type drying machine according to claim 1 or 2, is characterized in that: the anti-water-drop-shaped blade of described hollow is synthesized by two panels Curved surface metal soldering group, and has symmetrical streamline profile.
5. tail recuperation of heat sieve aperture turnover plate type drying machine according to claim 1 or 2, is characterized in that: described casing is fixed on support.
6. tail recuperation of heat sieve aperture turnover plate type drying machine according to claim 1 or 2, is characterized in that: described shell air inlet cover plate is bolted to connection casing, and can dismantle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510497145.1A CN105066628B (en) | 2015-08-14 | 2015-08-14 | Tail recuperation of heat sieve aperture turnover plate type drying machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510497145.1A CN105066628B (en) | 2015-08-14 | 2015-08-14 | Tail recuperation of heat sieve aperture turnover plate type drying machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105066628A true CN105066628A (en) | 2015-11-18 |
| CN105066628B CN105066628B (en) | 2018-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510497145.1A Active CN105066628B (en) | 2015-08-14 | 2015-08-14 | Tail recuperation of heat sieve aperture turnover plate type drying machine |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2084183U (en) * | 1990-12-19 | 1991-09-04 | 克山县克山粮库 | Laminated grain direr |
| CN102022376A (en) * | 2010-11-05 | 2011-04-20 | 聂伟 | Suction fan impeller of mower |
| CN201810564U (en) * | 2010-09-07 | 2011-04-27 | 刘忠宜 | Centrifugal fan capable of axial air inlet and outlet |
| US20130149137A1 (en) * | 2011-12-07 | 2013-06-13 | Hon Hai Precision Industry Co., Ltd. | Fan |
| CN103575077A (en) * | 2013-11-07 | 2014-02-12 | 浙江大学 | Multi-layer belt type drying system |
-
2015
- 2015-08-14 CN CN201510497145.1A patent/CN105066628B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2084183U (en) * | 1990-12-19 | 1991-09-04 | 克山县克山粮库 | Laminated grain direr |
| CN201810564U (en) * | 2010-09-07 | 2011-04-27 | 刘忠宜 | Centrifugal fan capable of axial air inlet and outlet |
| CN102022376A (en) * | 2010-11-05 | 2011-04-20 | 聂伟 | Suction fan impeller of mower |
| US20130149137A1 (en) * | 2011-12-07 | 2013-06-13 | Hon Hai Precision Industry Co., Ltd. | Fan |
| CN103575077A (en) * | 2013-11-07 | 2014-02-12 | 浙江大学 | Multi-layer belt type drying system |
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| CN105066628B (en) | 2018-04-17 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Jiang Xiangchu Inventor before: Yang Zhenghua Inventor before: Yin Yongzhong Inventor before: Zeng Aihua |
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| CB03 | Change of inventor or designer information | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180119 Address after: 325615 Yueqing Province, the town of Jing Jing, Zhejiang, East Village Road, East Lane, Lane No. 39, No. 6 Applicant after: Jiang Xiangchu 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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Effective date of registration: 20181122 Address after: 313000 room 1020, science and Technology Pioneer Park, 666 Chaoyang Road, Nanxun Town, Nanxun District, Huzhou, Zhejiang. Patentee after: Huzhou You Yan Intellectual Property Service Co., Ltd. Address before: 325615 No. 39 lane, East Bridge Road, Jingdong village, Yueqing, Zhejiang, China. 6 Patentee before: Jiang Xiangchu |
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| TR01 | Transfer of patent right |